/* ==========================================================================
   RN Infotech — main stylesheet
   Layered on Bootstrap 5 (grid, utilities, form basics).
   Palette derived from the RN Infotech logo: brand navy + gold dash.
   ========================================================================== */

:root {
  /* Color tokens — DARK theme (default): deep navy + light blue */
  color-scheme: dark;
  --abyss: #050A18;          /* page background */
  --navy: #0B1F3F;           /* brand navy (logo) */
  --surface: rgba(16, 36, 72, .42);
  --surface-solid: #0C1A36;
  --surface-hover: rgba(20, 44, 88, .55);
  --line: rgba(140, 195, 255, .16);
  --line-strong: rgba(140, 195, 255, .32);
  --signal: #6CB8FF;         /* light blue accent */
  --signal-2: #A8D5FF;
  --signal-ink: #04122B;     /* text on light-blue fills */
  --signal-glow: rgba(108, 184, 255, .45);
  --btn-a: #8CCBFF;
  --btn-b: #5AAEFF;
  --gold: #D9A93A;           /* brand gold — logo only */
  --cyan: #22D3EE;           /* tech accent */
  --violet: #A78BFA;         /* tech accent */
  --grad: linear-gradient(110deg, #6CB8FF 0%, #22D3EE 50%, #A78BFA 100%);
  --grad-btn: linear-gradient(110deg, #8CCBFF 0%, #38D9F0 50%, #B49CFF 100%);
  --orb: 15%;
  /* per-item accent palette (icons) */
  --p1a: #6CB8FF; --p1b: #3B82F6;
  --p2a: #22D3EE; --p2b: #0EA5E9;
  --p3a: #34D399; --p3b: #10B981;
  --p4a: #A78BFA; --p4b: #7C3AED;
  --p5a: #F472B6; --p5b: #DB2777;
  --gold-text: #EBD7A6;
  --ice: #E8EEFA;            /* primary text */
  --text-2: #C3D0E8;         /* secondary text */
  --slate: #93A3C2;          /* muted text */
  --placeholder: #66779A;
  --field: rgba(5, 10, 24, .6);
  --field-focus: rgba(5, 10, 24, .85);
  --chip-bg: rgba(5, 10, 24, .4);
  --header-bg: rgba(5, 10, 24, .72);
  --wash-1: rgba(108, 184, 255, .14);
  --wash-2: rgba(11, 31, 63, .9);
  --footer-tint: rgba(11, 31, 63, .25);
  --overlay-a: #143060;
  --overlay-b: #08142C;
  --icon-grad-a: #5AAEFF;
  --icon-grad-b: rgba(16, 42, 84, .95);
  --hero-a: #FFFFFF;
  --hero-b: #A8D5FF;
  --card-shadow: none;
  --danger: #FF6B7A;
  --ok-text: #BDF5D9;
  --err-text: #FFD0D5;
  --success: #4ADE9B;

  /* Type */
  --font-display: "Unbounded", "Segoe UI", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --fs-hero: clamp(1.85rem, .8rem + 2.6vw, 3.1rem);
  --fs-h1: clamp(2rem, 1.4rem + 2.4vw, 3.25rem);
  --fs-h2: clamp(1.6rem, 1.2rem + 1.5vw, 2.4rem);
  --fs-h3: 1.125rem;
  --fs-lead: clamp(1.02rem, .97rem + .25vw, 1.15rem);

  /* Shape & motion */
  --r-lg: 22px;
  --r-md: 14px;
  --r-sm: 10px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --header-h: 76px;
}

/* LIGHT theme: white surfaces, navy text, brand blue accents */
:root[data-theme="light"] {
  color-scheme: light;
  --abyss: #FFFFFF;
  --surface: #FFFFFF;
  --surface-solid: #FFFFFF;
  --surface-hover: #F4F8FF;
  --line: rgba(11, 31, 63, .10);
  --line-strong: rgba(11, 31, 63, .20);
  --signal: #1F6FEB;
  --signal-2: #1658C7;
  --signal-ink: #FFFFFF;
  --signal-glow: rgba(31, 111, 235, .32);
  --btn-a: #2F7DF4;
  --btn-b: #1A62DB;
  --gold: #B07D12;
  --cyan: #0E7490;
  --violet: #7C3AED;
  --grad: linear-gradient(110deg, #1F6FEB 0%, #0E7490 50%, #7C3AED 100%);
  --grad-btn: linear-gradient(110deg, #1F6FEB 0%, #0E7490 50%, #7C3AED 100%);
  --orb: 9%;
  --p1a: #3B82F6; --p1b: #1D4ED8;
  --p2a: #0891B2; --p2b: #0E7490;
  --p3a: #10B981; --p3b: #047857;
  --p4a: #8B5CF6; --p4b: #6D28D9;
  --p5a: #EC4899; --p5b: #BE185D;
  --gold-text: #7A560B;
  --ice: #0B1F3F;
  --text-2: #263B60;
  --slate: #56677F;
  --placeholder: #8A97AD;
  --field: #FFFFFF;
  --field-focus: #FFFFFF;
  --chip-bg: #F3F7FD;
  --header-bg: rgba(255, 255, 255, .82);
  --wash-1: rgba(31, 111, 235, .07);
  --wash-2: rgba(232, 240, 252, .9);
  --footer-tint: #F5F8FD;
  --overlay-a: #FFFFFF;
  --overlay-b: #F0F6FF;
  --icon-grad-a: #2F7DF4;
  --icon-grad-b: #0B1F3F;
  --hero-a: #0B1F3F;
  --hero-b: #1F6FEB;
  --card-shadow: 0 1px 2px rgba(11, 31, 63, .04), 0 12px 32px -20px rgba(11, 31, 63, .28);
  --danger: #D1293D;
  --ok-text: #0D6B3F;
  --err-text: #9B1C2C;
}

/* ---------- Base ---------- */
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  background: var(--abyss);
  color: var(--ice);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
html { overflow-x: clip; }
body::before { /* subtle brand-navy wash behind everything */
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(1100px 600px at 85% -10%, var(--wash-1), transparent 60%),
    radial-gradient(900px 600px at -10% 40%, var(--wash-2), transparent 70%);
}
h1, h2, h3, h4, h5 { font-family: var(--font-display); font-weight: 600; letter-spacing: -.01em; line-height: 1.15; color: var(--ice); }
p { color: var(--slate); }
a { color: var(--signal-2); text-decoration: none; }
a:hover { color: var(--ice); }
::selection { background: var(--signal); color: var(--signal-ink); }
:focus-visible { outline: 2px solid var(--signal-2); outline-offset: 3px; border-radius: 6px; }
img, svg { max-width: 100%; }
.icon { width: 1.35em; height: 1.35em; flex: none; }
.icon-xs { width: .95em; height: .95em; }
.icon-sm { width: 1.05em; height: 1.05em; }
.icon-lg { width: 1.9rem; height: 1.9rem; }
.container-xl { max-width: 1240px; padding-inline: clamp(18px, 4vw, 32px); }

.skip-link { position: absolute; left: 12px; top: -60px; z-index: 2000; background: var(--signal); color: var(--signal-ink); padding: 10px 16px; border-radius: 8px; }
.skip-link:focus { top: 12px; color: var(--signal-ink); }
.dev-banner { background: var(--gold); color: #1a1200; text-align: center; padding: 6px 12px; font-size: .85rem; position: relative; z-index: 1100; }

/* ---------- Buttons ---------- */
.btn-rn {
  --bg: transparent; --fg: var(--ice); --bd: var(--line-strong);
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  padding: .7rem 1.25rem; border-radius: 999px; border: 1px solid var(--bd);
  background: var(--bg); color: var(--fg); font-weight: 500; font-size: .95rem; line-height: 1.2;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, border-color .25s, color .25s;
  white-space: nowrap; cursor: pointer;
}
.btn-rn:hover { color: var(--fg); transform: translateY(-1px); }
.btn-rn .icon { transition: transform .25s var(--ease); }
.btn-rn:hover .icon { transform: translateX(3px); }
.btn-rn-primary { --bg: linear-gradient(135deg, var(--btn-a), var(--btn-b)); --fg: var(--signal-ink); --bd: transparent; box-shadow: 0 8px 28px -10px var(--signal-glow), inset 0 1px 0 rgba(255,255,255,.25); }
.btn-rn-primary:hover { box-shadow: 0 12px 36px -8px var(--signal-glow), inset 0 1px 0 rgba(255,255,255,.3); color: var(--signal-ink); }
.btn-rn-ghost { --bg: color-mix(in srgb, var(--signal) 6%, transparent); }
.btn-rn-ghost:hover { --bd: var(--signal); --bg: color-mix(in srgb, var(--signal) 12%, transparent); }
.btn-rn-lg { padding: .9rem 1.6rem; font-size: 1rem; }
.btn-rn[disabled] { opacity: .65; pointer-events: none; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 1000; height: var(--header-h);
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: var(--header-bg);
  backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--line);
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 20px; }
.brand { display: inline-flex; align-items: center; flex: none; }
.brand-logo { height: 38px; width: auto; display: block; }
.main-nav { margin-left: auto; }
.main-nav ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.main-nav a {
  position: relative; display: block; padding: 8px 10px; border-radius: 999px;
  color: var(--slate); font-size: .9rem; font-weight: 500; white-space: nowrap; transition: color .2s, background .2s;
}
.main-nav a:hover { color: var(--ice); background: color-mix(in srgb, var(--signal) 8%, transparent); }
.main-nav a[aria-current="page"] { color: var(--ice); }
.main-nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: 50%; bottom: 0; width: 18px; height: 2px; margin-left: -9px;
  background: var(--cyan); border-radius: 2px;
}
.header-cta { padding: .55rem 1.1rem; font-size: .9rem; }
.nav-toggle, .theme-toggle {
  width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--signal) 6%, transparent); color: var(--ice);
  display: inline-flex; align-items: center; justify-content: center; flex: none; cursor: pointer;
  transition: border-color .2s, background .2s, transform .2s;
}
.nav-toggle:hover, .theme-toggle:hover { border-color: var(--signal); background: color-mix(in srgb, var(--signal) 14%, transparent); }
.nav-toggle { display: none; }
.theme-toggle { width: 40px; height: 40px; border-radius: 50%; }
.theme-toggle .icon-sun, :root[data-theme="light"] .theme-toggle .icon-moon { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: block; }
.header-tools { display: flex; align-items: center; gap: 10px; margin-left: 12px; }

/* ---------- Mobile drawer ---------- */
.mobile-nav { position: fixed; inset: 0; z-index: 1200; visibility: hidden; pointer-events: none; transition: visibility 0s linear .45s; }
.mobile-nav.is-open { visibility: visible; pointer-events: auto; transition-delay: 0s; }
.mobile-nav-backdrop { position: absolute; inset: 0; background: rgba(2, 6, 18, .55); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); opacity: 0; transition: opacity .4s var(--ease); }
.mobile-nav.is-open .mobile-nav-backdrop { opacity: 1; }
.mobile-nav-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(90vw, 410px);
  display: flex; flex-direction: column; gap: 18px; overflow-y: auto; overscroll-behavior: contain;
  padding: calc(14px + env(safe-area-inset-top, 0px)) 20px calc(20px + env(safe-area-inset-bottom, 0px));
  background:
    radial-gradient(420px 300px at 100% 0%, color-mix(in srgb, var(--signal) 22%, transparent), transparent 70%),
    radial-gradient(360px 260px at 0% 100%, color-mix(in srgb, var(--violet) 12%, transparent), transparent 70%),
    var(--surface-solid);
  border-left: 1px solid var(--line-strong);
  box-shadow: -30px 0 80px -20px rgba(0, 0, 0, .45);
  transform: translateX(104%); transition: transform .45s var(--ease);
}
.mobile-nav.is-open .mobile-nav-panel { transform: none; }
.mobile-nav-panel::before { /* faint grid texture */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, #000, transparent 45%); -webkit-mask-image: linear-gradient(180deg, #000, transparent 45%);
}
.mobile-nav-panel > * { position: relative; }
.mobile-nav-top { display: flex; align-items: center; justify-content: space-between; min-height: 52px; }
.mobile-nav-top .brand-logo { height: 30px; }
.mobile-nav-top .nav-toggle { display: inline-flex; border-radius: 50%; }
.mn-label-small { font-size: .78rem; color: var(--cyan); font-weight: 600; margin: 4px 4px -6px; }
.mn-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.mn-links li { opacity: 0; transform: translateX(24px); transition: opacity .4s var(--ease), transform .4s var(--ease); transition-delay: calc(.06s + var(--i, 0) * .04s); }
.mobile-nav.is-open .mn-links li { opacity: 1; transform: none; }
.mn-link {
  position: relative; display: flex; align-items: center; gap: 14px; padding: 10px 12px; border-radius: 14px;
  color: var(--ice); font-weight: 500; font-size: 1.02rem; border: 1px solid transparent;
  transition: background .2s, border-color .2s;
}
.mn-link:hover, .mn-link:focus-visible { color: var(--ice); background: color-mix(in srgb, var(--signal) 8%, transparent); border-color: var(--line); }
.mn-icon { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; flex: none; color: var(--signal); background: color-mix(in srgb, var(--signal) 10%, transparent); border: 1px solid var(--line); }
.mn-icon .icon { width: 19px; height: 19px; }
.mn-text { flex: 1; min-width: 0; }
.mn-chev { width: 16px; height: 16px; color: var(--slate); transition: transform .2s; }
.mn-link:hover .mn-chev { transform: translateX(3px); color: var(--signal); }
.mn-link[aria-current="page"] { background: linear-gradient(90deg, color-mix(in srgb, var(--signal) 18%, transparent), transparent); border-color: var(--line-strong); }
.mn-link[aria-current="page"]::before { content: ""; position: absolute; left: -1px; top: 12px; bottom: 12px; width: 3px; border-radius: 3px; background: var(--cyan); }
.mn-link[aria-current="page"] .mn-icon { background: var(--signal); color: var(--signal-ink); border-color: transparent; }
.mn-cta {
  padding: 18px; border-radius: 18px; border: 1px solid var(--line-strong);
  background: linear-gradient(145deg, color-mix(in srgb, var(--signal) 16%, transparent), color-mix(in srgb, var(--signal) 4%, transparent));
  opacity: 0; transform: translateY(14px); transition: opacity .45s var(--ease) .35s, transform .45s var(--ease) .35s;
}
.mobile-nav.is-open .mn-cta { opacity: 1; transform: none; }
.mn-cta-title { font-family: var(--font-display); font-size: 1.02rem; color: var(--ice); margin: 0 0 4px; }
.mn-cta p { font-size: .88rem; margin: 0 0 14px; }
.mn-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 14px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.mn-mail { display: inline-flex; align-items: center; gap: 8px; font-size: .88rem; color: var(--text-2); }
.theme-switch { display: inline-flex; padding: 3px; border-radius: 999px; border: 1px solid var(--line-strong); background: var(--chip-bg); }
.theme-switch button { display: inline-flex; align-items: center; gap: 6px; border: 0; background: none; color: var(--slate); font-size: .8rem; font-weight: 500; padding: 6px 12px; border-radius: 999px; cursor: pointer; }
.theme-switch button .icon { width: 15px; height: 15px; }
.theme-switch button[aria-pressed="true"] { background: var(--signal); color: var(--signal-ink); }
body.nav-open { overflow: hidden; }

/* ---------- Sections ---------- */
.section { padding-block: clamp(64px, 8vw, 112px); position: relative; }
.section.pt-0 { padding-top: 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: clamp(32px, 4vw, 48px); flex-wrap: wrap; }
.section-head > div { max-width: 640px; }
.section-title { font-size: var(--fs-h2); margin: 0 0 14px; }
.section-lead { font-size: var(--fs-lead); margin: 0 0 24px; max-width: 62ch; }
.section-head .section-lead { margin-bottom: 0; }
.kicker { color: var(--cyan); font-size: .9rem; font-weight: 500; margin-bottom: 8px; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: min(100svh, 920px); padding-top: calc(var(--header-h) + 24px); display: flex; align-items: center; overflow: hidden; }
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 70% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 70% 40%, #000 20%, transparent 75%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 32px; align-items: center; padding-block: 40px 72px; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--signal-2); font-size: .95rem; margin-bottom: 20px; padding: 6px 14px 6px 10px; border: 1px solid var(--line); border-radius: 999px; background: color-mix(in srgb, var(--signal) 6%, transparent); }
.hero-eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
.hero-title {
  font-size: var(--fs-hero); font-weight: 700; line-height: 1.04; letter-spacing: -.025em; margin: 0 0 24px;
  text-transform: uppercase;
  background: linear-gradient(180deg, var(--hero-a) 30%, var(--hero-b) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { font-size: var(--fs-lead); max-width: 46ch; margin-bottom: 36px; color: var(--text-2); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-visual { position: relative; }
.hero-canvas { position: relative; aspect-ratio: 1 / 1; width: 100%; max-width: 620px; margin-inline: auto; }
.hero-canvas canvas, .tech-canvas canvas, .cta-canvas canvas { display: block; width: 100% !important; height: 100% !important; }
.scene-fallback { position: absolute; inset: 6%; width: 88%; height: 88%; animation: float 8s ease-in-out infinite; }
.has-webgl .scene-fallback { display: none; }
.hero-caption { display: flex; align-items: center; justify-content: center; gap: 10px; font-size: .85rem; color: var(--slate); margin: 0; flex-wrap: wrap; }
.pin-gold, .pin-blue { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.pin-gold { background: var(--violet); box-shadow: 0 0 10px var(--violet); }
.pin-blue { background: var(--signal); box-shadow: 0 0 10px var(--signal); }
.caption-sep { width: 28px; height: 1px; background: var(--line-strong); }
@keyframes float { 50% { transform: translateY(-12px); } }

/* ---------- Intro / stats ---------- */
.stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); overflow: hidden; }
.stat { padding: clamp(20px, 3vw, 32px); display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 16px; align-items: center; }
.stat:nth-child(odd) { border-right: 1px solid var(--line); }
.stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
.stat-icon { grid-row: 1 / 3; width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; color: var(--signal-2); background: color-mix(in srgb, var(--signal) 10%, transparent); border: 1px solid var(--line); }
.stat dd { order: -1; margin: 0; font-family: var(--font-display); font-size: clamp(1.6rem, 1.2rem + 1.2vw, 2.3rem); font-weight: 600; color: var(--ice); line-height: 1.1; }
.stat dt { font-weight: 400; color: var(--slate); font-size: .92rem; }

/* ---------- Glass card base ---------- */
.service-card, .industry-card, .why-item, .mv-card, .leader-card, .side-panel, .contact-card, .build-panel, .service-row, .tech-category, .tech-group {
  background: var(--surface); border: 1px solid var(--line);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}

/* ---------- Services ---------- */
.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.service-card {
  position: relative; display: flex; flex-direction: column; padding: 28px 24px 24px; border-radius: var(--r-lg);
  transition: border-color .3s, box-shadow .3s, transform .4s var(--ease);
  transform-style: preserve-3d; will-change: transform;
}
.service-card::before { /* glow that follows the pointer (set by JS) */
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--signal) 18%, transparent), transparent 60%);
}
.service-card:hover { border-color: var(--line-strong); }
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 60px; height: 60px; border-radius: 18px; display: grid; place-items: center; margin-bottom: 22px; color: #fff;
  background: linear-gradient(145deg, var(--icon-grad-a), var(--icon-grad-b));
  box-shadow: 0 12px 30px -10px var(--signal-glow), inset 0 1px 0 rgba(255,255,255,.3);
  transform: translateZ(30px);
}
.service-card h3 { font-size: var(--fs-h3); margin-bottom: 10px; }
.service-card p { font-size: .94rem; margin-bottom: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; padding: 0; margin: 0 0 20px; }
.chips li { font-size: .78rem; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--text-2); background: var(--chip-bg); }
.chips-sm li { font-size: .75rem; padding: 3px 9px; }
.card-link { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; font-weight: 500; font-size: .92rem; color: var(--signal-2); }
.card-link.stretched::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.card-link .icon { transition: transform .25s var(--ease); }
.service-card:hover .card-link .icon, .project-card:hover .card-link .icon { transform: translateX(4px); }

/* ---------- Technologies ---------- */
.tech { overflow: hidden; }
.tech-canvas { position: absolute; inset: -30% -20% -30% -30%; z-index: 0; opacity: .9; pointer-events: none; }
.tech-copy { position: relative; z-index: 1; }
.tech-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 12px; list-style: none; padding: 0; margin: 0; }
@media (min-width: 1200px) { .tech .col-lg-7 > .tech-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
@media (min-width: 992px) and (max-width: 1199.98px) { .tech .col-lg-7 > .tech-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.tech-name { overflow-wrap: anywhere; }
.tech-grid-sm { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
.tech-card {
  --tc: var(--signal);
  display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 18px 10px 14px; border-radius: var(--r-md);
  border: 1px solid var(--line); background: var(--surface); text-align: center;
  transition: transform .35s var(--ease), border-color .3s, box-shadow .3s;
}
.tech-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--tc) 55%, transparent); box-shadow: 0 16px 36px -18px color-mix(in srgb, var(--tc) 70%, transparent); }
.tech-mono {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 600; font-size: .95rem; color: var(--tc);
  background: color-mix(in srgb, var(--tc) 14%, transparent); border: 1px solid color-mix(in srgb, var(--tc) 35%, transparent);
}
.tech-name { font-size: .82rem; color: var(--text-2); line-height: 1.25; }
.tech-category-list { display: grid; gap: 18px; }
.tech-category, .tech-group { padding: 24px; border-radius: var(--r-lg); }
.tech-category h3, .tech-group h3 { font-size: 1rem; margin-bottom: 16px; color: var(--cyan); font-family: var(--font-body); font-weight: 600; }
.tech-groups { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.tech-group .chips { margin: 0; }

/* ---------- Industries ---------- */
.industry-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; perspective: 1200px; }
.industry-card {
  position: relative; padding: 22px; border-radius: var(--r-lg); outline: none; overflow: hidden;
  transition: transform .45s var(--ease), border-color .3s, background .3s;
}
.industry-card:hover, .industry-card:focus-visible { transform: translateY(-4px) rotateX(4deg); border-color: var(--line-strong); background: var(--surface-hover); }
.industry-icon { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 14px; color: var(--signal-2); background: color-mix(in srgb, var(--signal) 10%, transparent); border: 1px solid var(--line); transition: color .3s, background .3s; }
.industry-card:hover .industry-icon, .industry-card:focus-visible .industry-icon { color: var(--signal-ink); background: var(--signal); }
.industry-card h3 { font-size: 1rem; margin: 0; }
.industry-desc { font-size: .88rem; margin: 10px 0 0; }
.industry-overlay {
  position: absolute; inset: 0; padding: 22px; display: flex; flex-direction: column; justify-content: center;
  background: linear-gradient(160deg, var(--overlay-a), var(--overlay-b));
  opacity: 0; transform: translateY(10px); transition: opacity .35s var(--ease), transform .35s var(--ease); pointer-events: none;
}
.industry-card:hover .industry-overlay, .industry-card:focus-visible .industry-overlay, .industry-card.is-open .industry-overlay { opacity: 1; transform: none; }
.overlay-title { font-size: .8rem; color: var(--cyan); font-weight: 600; margin-bottom: 10px; }
.industry-solutions { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.industry-solutions li { display: flex; align-items: center; gap: 8px; font-size: .88rem; line-height: 1.4; color: var(--text-2); }
.industry-solutions .icon { color: var(--cyan); flex: none; }
.industry-overlay { z-index: 1; border-radius: inherit; }
.industry-card:not(.is-detailed) > .industry-icon, .industry-card:not(.is-detailed) > h3, .industry-card:not(.is-detailed) > .industry-desc { transition: opacity .3s var(--ease); }
.industry-card:not(.is-detailed):hover > .industry-icon, .industry-card:not(.is-detailed):hover > h3, .industry-card:not(.is-detailed):hover > .industry-desc,
.industry-card:not(.is-detailed):focus-visible > .industry-icon, .industry-card:not(.is-detailed):focus-visible > h3, .industry-card:not(.is-detailed):focus-visible > .industry-desc,
.industry-card.is-open > .industry-icon, .industry-card.is-open > h3, .industry-card.is-open > .industry-desc { opacity: 0; }
.overlay-name { font-family: var(--font-display); font-size: 1rem; color: var(--ice); margin: 0 0 4px; }
.industry-card.is-detailed .industry-overlay { position: static; opacity: 1; transform: none; background: none; padding: 16px 0 0; margin-top: 16px; border-top: 1px solid var(--line); }
.industry-card.is-detailed:hover { transform: translateY(-4px); }

/* ---------- Why us ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; list-style: none; padding: 0; margin: 0; }
.why-item { padding: 24px; border-radius: var(--r-md); transition: border-color .3s, transform .35s var(--ease); }
.why-item:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.why-icon { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; color: var(--signal-2); background: color-mix(in srgb, var(--signal) 10%, transparent); margin-bottom: 14px; }
.why-item h3 { font-size: .98rem; margin-bottom: 8px; }
.why-item p { font-size: .88rem; margin: 0; }

/* ---------- Process timeline ---------- */
.timeline-wrap { position: relative; }
.timeline-track { position: absolute; left: 0; right: 0; top: 22px; height: 2px; background: var(--line); border-radius: 2px; overflow: hidden; }
.timeline-progress { position: absolute; inset: 0; background: var(--grad); transform: scaleX(var(--progress, 0)); transform-origin: left; transition: transform .15s linear; }
.timeline { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 16px; position: relative; }
.timeline-step { position: relative; }
.step-num {
  display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; margin-bottom: 18px;
  font-family: var(--font-display); font-size: .85rem; font-weight: 600; color: var(--ice);
  background: var(--abyss); border: 1px solid var(--line-strong); transition: border-color .4s, box-shadow .4s, color .4s;
}
.timeline-step.is-reached .step-num { border-color: var(--cyan); color: var(--cyan); box-shadow: 0 0 0 6px color-mix(in srgb, var(--violet) 12%, transparent), 0 0 22px color-mix(in srgb, var(--violet) 40%, transparent); }
.timeline-step h3 { font-size: 1rem; margin-bottom: 6px; }
.timeline-step p { font-size: .86rem; margin: 0; }

/* ---------- Portfolio ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.filter { padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--slate); font-size: .88rem; font-weight: 500; transition: all .2s; }
.filter:hover { color: var(--ice); border-color: var(--line-strong); }
.filter.is-active { background: var(--signal); border-color: var(--signal); color: var(--signal-ink); }
.project-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.project-card { position: relative; display: flex; flex-direction: column; border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line); background: var(--surface-solid); transition: transform .4s var(--ease), border-color .3s, box-shadow .3s; }
.project-card:hover { transform: translateY(-5px); border-color: var(--line-strong); box-shadow: 0 30px 60px -36px var(--signal-glow); }
.project-card.is-hidden { display: none; }
.project-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--navy); }
.project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.project-card:hover .project-media img { transform: scale(1.04); }
.demo-badge { position: absolute; top: 12px; left: 12px; font-size: .75rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: rgba(217,169,58,.92); color: #1A1200; }
.project-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.project-meta { font-size: .8rem; color: var(--cyan); margin-bottom: 6px; }
.project-meta span { color: var(--slate); margin-inline: 4px; }
.project-body h3 { font-size: 1.05rem; margin-bottom: 8px; }
.project-body p { font-size: .9rem; margin-bottom: 14px; }
.empty-filter { text-align: center; padding: 32px; color: var(--slate); }
.project-hero-media { position: relative; border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line); }
.project-hero-media img { width: 100%; height: auto; display: block; }
.project-facts { display: grid; gap: 16px; margin: 0; }
.project-facts dt { font-size: .8rem; color: var(--cyan); font-weight: 500; }
.project-facts dd { margin: 4px 0 0; color: var(--ice); }
.project-facts .chips { margin: 4px 0 0; }

/* ---------- Forms ---------- */
.build-panel { padding: clamp(22px, 3.5vw, 40px); border-radius: var(--r-lg); box-shadow: 0 40px 80px -50px color-mix(in srgb, var(--signal) 50%, transparent); }
.build-points { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.build-points li { display: flex; align-items: center; gap: 10px; color: var(--text-2); }
.build-points .icon { color: var(--cyan); }
.form-label { font-size: .86rem; font-weight: 500; color: var(--text-2); margin-bottom: 6px; }
.form-label span { color: var(--cyan); }
.form-control, .form-select {
  background-color: var(--field); border: 1px solid var(--line-strong); color: var(--ice);
  border-radius: var(--r-sm); padding: .72rem .9rem; font-size: .95rem;
}
.form-select { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2393A3C2' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e"); }
.form-select option { background: var(--surface-solid); color: var(--ice); }
.form-control::placeholder { color: var(--placeholder); }
.form-control:focus, .form-select:focus { background-color: var(--field-focus); color: var(--ice); border-color: var(--signal); box-shadow: 0 0 0 4px color-mix(in srgb, var(--signal) 18%, transparent); }
.form-control[aria-invalid="true"], .form-select[aria-invalid="true"] { border-color: var(--danger); }
.field-error { color: var(--danger); font-size: .82rem; margin: 6px 0 0; }
.hp-field { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-top: 24px; }
.form-footer .btn-rn { margin-left: auto; }
.captcha { min-height: 78px; }
.form-note { font-size: .8rem; margin: 14px 0 0; }
.form-status { margin-top: 16px; padding: 14px 16px; border-radius: var(--r-sm); font-size: .92rem; }
.form-status.is-success { background: rgba(74, 222, 155, .1); border: 1px solid rgba(74, 222, 155, .4); color: var(--ok-text); }
.form-status.is-error { background: rgba(255, 107, 122, .1); border: 1px solid rgba(255, 107, 122, .4); color: var(--err-text); }
.spinner { display: none; width: 16px; height: 16px; border: 2px solid color-mix(in srgb, currentColor 35%, transparent); border-top-color: currentColor; border-radius: 50%; animation: spin .7s linear infinite; }
.is-loading .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- CTA band & build hero ---------- */
.cta-band { position: relative; overflow: hidden; padding-block: clamp(72px, 9vw, 128px); border-top: 1px solid var(--line); text-align: center; }
.cta-canvas { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(600px 300px at 50% 50%, color-mix(in srgb, var(--signal) 18%, transparent), transparent 70%); }
.cta-inner { position: relative; z-index: 1; max-width: 760px; }
.cta-band h2 { font-size: var(--fs-h2); margin-bottom: 16px; }
.cta-band p { font-size: var(--fs-lead); margin: 0 auto 32px; max-width: 54ch; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }
.build-hero { position: relative; overflow: hidden; padding: calc(var(--header-h) + 48px) 0 clamp(64px, 8vw, 104px); }
.build-hero > .container-xl { position: relative; z-index: 1; }
.next-steps { counter-reset: s; list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 18px; }
.next-steps li { counter-increment: s; position: relative; padding-left: 52px; color: var(--slate); }
.next-steps li::before { content: counter(s); position: absolute; left: 0; top: -2px; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--cyan); color: var(--cyan); font-family: var(--font-display); font-size: .8rem; }
.next-steps strong { color: var(--ice); font-weight: 500; }

/* ---------- Inner page hero ---------- */
.page-hero { position: relative; overflow: hidden; padding: calc(var(--header-h) + 56px) 0 clamp(48px, 6vw, 80px); }
.page-hero .container-xl { position: relative; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0 0 18px; font-size: .85rem; }
.crumbs li + li::before { content: "/"; margin-right: 8px; color: var(--line-strong); }
.crumbs a { color: var(--slate); }
.crumbs a:hover { color: var(--ice); }
.crumbs [aria-current] { color: var(--cyan); }
.page-title { font-size: var(--fs-h1); margin-bottom: 16px; max-width: 20ch; }
.page-lead { font-size: var(--fs-lead); max-width: 60ch; margin: 0; }
.error-code { font-family: var(--font-display); font-size: clamp(4rem, 12vw, 8rem); font-weight: 700; line-height: 1; margin: 0 0 8px; color: transparent; -webkit-text-stroke: 1px var(--signal); }
.error-page .hero-actions { margin-top: 32px; }

/* ---------- About ---------- */
.prose p { font-size: 1.02rem; line-height: 1.75; max-width: 68ch; }
.prose h2 { font-size: 1.25rem; margin: 32px 0 12px; }
.prose h3 { font-size: 1.05rem; }
.prose > .section-title { margin-top: 0; font-size: var(--fs-h2); }
.legal { max-width: 820px; }
.legal-note { padding: 14px 16px; border-radius: var(--r-sm); border: 1px dashed var(--gold); color: var(--gold-text) !important; font-size: .9rem !important; }
.mv-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.mv-card { padding: clamp(24px, 3.5vw, 40px); border-radius: var(--r-lg); }
.mv-card h2 { font-size: 1.35rem; margin: 18px 0 10px; }
.mv-card p { margin: 0; font-size: 1.02rem; }
.mv-icon { display: inline-grid; place-items: center; width: 52px; height: 52px; border-radius: 16px; color: var(--cyan); background: color-mix(in srgb, var(--violet) 12%, transparent); border: 1px solid color-mix(in srgb, var(--violet) 35%, transparent); }
.leader-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.leader-card { display: flex; gap: 22px; padding: 28px; border-radius: var(--r-lg); align-items: flex-start; }
.leader-avatar { flex: none; width: 88px; height: 88px; border-radius: 24px; overflow: hidden; display: grid; place-items: center; background: linear-gradient(145deg, var(--signal), var(--navy)); font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; color: #fff; }
.leader-avatar img { width: 100%; height: 100%; object-fit: cover; }
.leader-role { font-size: .82rem; color: var(--cyan); font-weight: 600; margin-bottom: 4px; }
.leader-role span { color: var(--slate); font-weight: 400; }
.leader-card h3 { font-size: 1.25rem; margin-bottom: 10px; }
.leader-bio { font-size: .92rem; }
.leader-contact { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 18px; }
.leader-contact a { display: inline-flex; align-items: center; gap: 8px; font-size: .92rem; }

/* ---------- Services page ---------- */
.service-rows { display: grid; gap: 18px; }
.service-row { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 32px; padding: clamp(24px, 3.5vw, 40px); border-radius: var(--r-lg); }
.service-row h2 { font-size: 1.4rem; margin: 0 0 10px; }
.feature-list { list-style: none; padding: 0; margin: 0 0 22px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 22px; }
.feature-list li { display: flex; align-items: flex-start; gap: 10px; color: var(--text-2); font-size: .95rem; }
.feature-list .icon { color: var(--cyan); margin-top: 4px; }
.side-panel { padding: 28px; border-radius: var(--r-lg); position: sticky; top: calc(var(--header-h) + 24px); }
.side-panel .service-icon { transform: none; }

/* ---------- Contact ---------- */
.contact-stack { display: grid; gap: 14px; }
.contact-card { padding: 20px 22px; border-radius: var(--r-md); }
.contact-card h2 { margin-bottom: 6px; }
.contact-card a, .contact-card p { display: inline-flex; align-items: center; gap: 10px; color: var(--text-2); }
.contact-card a:hover { color: var(--ice); }
.map-wrap { margin-top: 40px; border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line); aspect-ratio: 21 / 8; min-height: 260px; }
.map-wrap iframe { width: 100%; height: 100%; border: 0; filter: invert(.9) hue-rotate(180deg) saturate(.6); }
.map-wrap:has(.map-placeholder) { aspect-ratio: auto; min-height: 0; }
.map-placeholder { height: 100%; min-height: 160px; display: grid; place-content: center; justify-items: center; gap: 8px; text-align: center; padding: 24px; color: var(--slate); background: var(--surface); }
.map-placeholder .icon { width: 2rem; height: 2rem; color: var(--cyan); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 72px 0 24px; background: linear-gradient(180deg, var(--footer-tint), var(--abyss)); position: relative; }
.footer-logo { height: 42px; width: auto; }
.footer-about { margin: 20px 0; max-width: 36ch; font-size: .92rem; }
.footer-title { font-family: var(--font-body); font-size: .95rem; font-weight: 600; margin-bottom: 16px; color: var(--ice); }
.footer-links, .footer-contact { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-links a, .footer-contact a { color: var(--slate); font-size: .92rem; }
.footer-links a:hover, .footer-contact a:hover { color: var(--ice); }
.footer-contact li { display: grid; grid-template-columns: 48px 1fr; gap: 8px; font-size: .92rem; color: var(--text-2); }
.fc-role { color: var(--cyan); font-weight: 500; font-size: .82rem; padding-top: 2px; }
.socials { display: flex; gap: 10px; list-style: none; padding: 0; margin: 0; }
.socials a { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; border: 1px solid var(--line); color: var(--slate); transition: all .2s; }
.socials a:hover { color: var(--ice); border-color: var(--signal); background: color-mix(in srgb, var(--signal) 15%, transparent); }
.footer-bottom { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: .85rem; }
.footer-bottom p { margin: 0; }
.footer-bottom ul { display: flex; gap: 20px; list-style: none; padding: 0; margin: 0; }
.footer-bottom a { color: var(--slate); }
.to-top { position: fixed; right: 20px; bottom: 20px; z-index: 900; width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: var(--signal); color: var(--signal-ink); box-shadow: 0 10px 30px -8px var(--signal-glow); opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity .3s, transform .3s; }
.to-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { color: var(--signal-ink); }

/* ---------- Hero entrance initial state (head script adds .hero-anim; GSAP animates in) ---------- */
.hero-anim [data-hero-item] { opacity: 0; transform: translateY(28px); }



/* ==========================================================================
   Card effects — cursor-following glowing border + spotlight (JS sets --mx/--my)
   ========================================================================== */
.fx-card { position: relative; isolation: isolate; }
.fx-card::after {
  content: ""; position: absolute; inset: 0; z-index: 2; border-radius: inherit; padding: 1px; pointer-events: none;
  background: radial-gradient(280px circle at var(--mx, 50%) var(--my, 0%),
              var(--signal), color-mix(in srgb, var(--violet) 70%, transparent) 38%, transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .35s var(--ease);
}
.fx-card:hover::after, .fx-card:focus-within::after, .fx-card:focus-visible::after { opacity: 1; }
@media (hover: none) { .fx-card::after { opacity: .55; --mx: 15%; --my: 0%; } }

/* Spotlight inside cards */
.why-item::before, .tech-card::before, .industry-card::before, .mv-card::before, .leader-card::before, .quick-card::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .35s;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--signal) 14%, transparent), transparent 65%);
}
.fx-card:hover::before { opacity: 1; }

/* Service cards: lift, icon pop, watermark reveal */
.service-card { overflow: hidden; transition: border-color .3s, box-shadow .4s var(--ease), transform .45s var(--ease); }
.service-card:hover { transform: translateY(-6px); box-shadow: 0 30px 60px -32px var(--signal-glow); }
.service-icon { transition: transform .5s var(--ease), box-shadow .4s; }
.service-card:hover .service-icon { transform: translateZ(40px) translateY(-4px) rotate(-6deg) scale(1.06); box-shadow: 0 18px 36px -10px var(--signal-glow), inset 0 1px 0 rgba(255,255,255,.35); }
.card-watermark { position: absolute; right: -26px; bottom: -26px; z-index: -1; color: var(--signal); opacity: .035; transform: rotate(-12deg) scale(.9); transition: opacity .5s var(--ease), transform .6s var(--ease); pointer-events: none; }
.card-watermark .icon { width: 150px; height: 150px; stroke-width: 1; }
.service-card:hover .card-watermark { opacity: .14; transform: rotate(-4deg) scale(1); }
.service-card .chips li { transition: border-color .3s, color .3s; }
.service-card:hover .chips li { border-color: var(--line-strong); color: var(--ice); }

/* Why-us: icon tile fills */
.why-item { overflow: hidden; }
.why-icon { transition: background .35s, color .35s, transform .45s var(--ease), box-shadow .35s; }
.why-item:hover .why-icon { background: linear-gradient(145deg, var(--btn-a), var(--btn-b)); color: var(--signal-ink); transform: translateY(-2px) rotate(-6deg); box-shadow: 0 12px 26px -10px var(--signal-glow); }
.why-item:hover { transform: translateY(-4px); }

/* Tech cards */
.tech-card { position: relative; overflow: hidden; }
.tech-mono { transition: transform .45s var(--ease), box-shadow .35s; }
.tech-card:hover .tech-mono { transform: scale(1.12) rotate(-6deg); box-shadow: 0 10px 24px -8px color-mix(in srgb, var(--tc) 70%, transparent); }

/* Project cards: zoom, overlay and "View project" pill */
.project-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, color-mix(in srgb, var(--surface-solid) 85%, transparent)); opacity: .6; transition: opacity .4s; }
.project-card:hover .project-media::after { opacity: 1; }
.project-card:hover .project-media img { transform: scale(1.07); }
.project-view {
  position: absolute; left: 50%; bottom: 16px; z-index: 1; display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 999px; font-size: .82rem; font-weight: 600; white-space: nowrap;
  background: var(--signal); color: var(--signal-ink); box-shadow: 0 10px 26px -8px var(--signal-glow);
  transform: translate(-50%, 12px); opacity: 0; transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.project-card:hover .project-view, .project-card:focus-within .project-view { opacity: 1; transform: translate(-50%, 0); }
.project-card:hover { transform: translateY(-6px); }

/* Leader / mission cards */
.leader-card, .mv-card { overflow: hidden; transition: transform .45s var(--ease), border-color .3s; }
.leader-card:hover, .mv-card:hover { transform: translateY(-4px); }
.leader-avatar { transition: transform .5s var(--ease); }
.leader-card:hover .leader-avatar { transform: rotate(-5deg) scale(1.04); }

/* ==========================================================================
   Form fields with icons
   ========================================================================== */
.input-wrap { position: relative; }
.input-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--slate); pointer-events: none; transition: color .2s; }
.input-wrap:has(textarea) .input-icon { top: 15px; transform: none; }
.input-wrap .form-control, .input-wrap .form-select { padding-left: 44px; }
.input-wrap:focus-within .input-icon { color: var(--signal); }
.btn-send { margin-left: 2px; }
.is-loading .btn-send { display: none; }
.form-note .icon { color: var(--cyan); vertical-align: -2px; margin-right: 4px; }

/* ==========================================================================
   Contact page
   ========================================================================== */
.contact-hero { position: relative; overflow: hidden; padding: calc(var(--header-h) + 56px) 0 48px; }
.contact-hero > .container-xl { position: relative; z-index: 1; }
.contact-hero .page-title { max-width: 18ch; }
.quick-contact { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.quick-card {
  display: grid; grid-template-columns: auto 1fr auto; grid-template-rows: auto auto; column-gap: 14px; align-items: center;
  padding: 20px; border-radius: var(--r-lg); height: 100%; overflow: hidden;
  background: var(--surface); border: 1px solid var(--line); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: var(--card-shadow);
  color: var(--ice); transition: transform .45s var(--ease), border-color .3s;
}
.quick-card:hover { color: var(--ice); transform: translateY(-4px); }
.quick-icon { grid-row: 1 / 3; width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; flex: none; color: var(--signal-ink); background: linear-gradient(145deg, var(--btn-a), var(--btn-b)); box-shadow: 0 12px 26px -12px var(--signal-glow); transition: transform .45s var(--ease); }
.quick-card:hover .quick-icon { transform: rotate(-8deg) scale(1.06); }
.quick-label { font-size: .82rem; color: var(--slate); }
.quick-value { font-weight: 600; font-size: 1rem; word-break: break-word; }
.quick-arrow { grid-row: 1 / 3; grid-column: 3; color: var(--slate); transition: transform .3s var(--ease), color .3s; }
.quick-card:hover .quick-arrow { transform: translateX(4px) rotate(-30deg); color: var(--signal); }

.contact-main { padding-top: 24px; }
.contact-shell {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  border-radius: 28px; overflow: hidden; border: 1px solid var(--line-strong);
  background: var(--surface-solid); box-shadow: 0 50px 100px -60px var(--signal-glow), var(--card-shadow);
}
.contact-info {
  position: relative; overflow: hidden; padding: clamp(28px, 4vw, 48px);
  background:
    radial-gradient(500px 340px at 0% 0%, color-mix(in srgb, var(--signal) 28%, transparent), transparent 70%),
    radial-gradient(420px 300px at 100% 100%, color-mix(in srgb, var(--violet) 16%, transparent), transparent 70%),
    linear-gradient(160deg, #0E2A57, #071631);
  color: #E8EEFA;
}
.contact-info::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .35; background-image: linear-gradient(rgba(140,195,255,.14) 1px, transparent 1px), linear-gradient(90deg, rgba(140,195,255,.14) 1px, transparent 1px); background-size: 36px 36px; mask-image: linear-gradient(180deg, #000, transparent 70%); -webkit-mask-image: linear-gradient(180deg, #000, transparent 70%); }
.contact-info > * { position: relative; }
.contact-info h2 { color: #FFFFFF; font-size: 1.5rem; margin-bottom: 10px; }
.contact-info p { color: #B9C7E2; }
.contact-info a { color: #A8D5FF; }
.contact-info a:hover { color: #FFFFFF; }
.contact-watermark { position: absolute !important; right: -60px; bottom: -40px; width: 300px; opacity: .07; pointer-events: none; }
.contact-watermark img { width: 100%; height: auto; }
.contact-info .logo-for-light { display: none !important; }
.contact-info .logo-for-dark { display: block !important; }
.info-list { list-style: none; padding: 0; margin: 28px 0; display: grid; gap: 18px; }
.info-list li { display: flex; gap: 14px; align-items: flex-start; color: #E8EEFA; }
.info-icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; flex: none; color: #A8D5FF; background: rgba(140,195,255,.12); border: 1px solid rgba(140,195,255,.22); }
.info-k { display: block; font-size: .78rem; color: #22D3EE; font-weight: 600; margin-bottom: 2px; }
.info-steps { padding: 18px 20px; border-radius: 16px; background: rgba(5,10,24,.35); border: 1px solid rgba(140,195,255,.16); margin-bottom: 24px; }
.info-steps ol { counter-reset: st; list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 10px; }
.info-steps li { counter-increment: st; position: relative; padding-left: 34px; font-size: .9rem; color: #C9D5EC; }
.info-steps li::before { content: counter(st); position: absolute; left: 0; top: 0; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: .72rem; font-weight: 700; color: #04122B; background: #A8D5FF; }
.contact-info .socials a { color: #B9C7E2; border-color: rgba(140,195,255,.22); }
.contact-form-card { padding: clamp(24px, 4vw, 48px); }
.contact-form-head { display: flex; gap: 14px; align-items: center; margin-bottom: 26px; }
.contact-form-head .quick-icon { grid-row: auto; }
.contact-form-head h2 { font-size: 1.4rem; margin: 0 0 2px; }
.contact-form-head p { margin: 0; font-size: .9rem; }
.contact-form-head .req { color: var(--cyan); }

/* ==========================================================================
   Footer call-to-action
   ========================================================================== */
.footer-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  padding: clamp(24px, 3.5vw, 40px); margin-bottom: 64px; border-radius: 24px; overflow: hidden;
  border: 1px solid var(--line-strong); box-shadow: var(--card-shadow);
  background:
    radial-gradient(520px 260px at 100% 0%, color-mix(in srgb, var(--signal) 22%, transparent), transparent 70%),
    radial-gradient(420px 220px at 0% 100%, color-mix(in srgb, var(--violet) 12%, transparent), transparent 70%),
    var(--surface-solid);
}
.footer-cta h2 { font-size: clamp(1.25rem, 1rem + 1vw, 1.75rem); margin-bottom: 6px; }
.footer-cta p { margin: 0; }
.footer-cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.fc-form { display: inline-flex; align-items: center; gap: 6px; color: var(--signal) !important; font-weight: 500; }


/* ==========================================================================
   Tech color system — gradient accents, per-item colors, ambient glows
   ========================================================================== */
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Hero headline: solid text with a gradient highlight */
.hero-title { background: none; -webkit-background-clip: border-box; background-clip: border-box; color: var(--ice); }
.hero-title .grad-text { background-size: 200% 100%; animation: gradShift 8s ease-in-out infinite alternate; }
@keyframes gradShift { to { background-position: 100% 0; } }

/* Gradient accent bar under every section title */
.section-title::after { content: ""; display: block; width: 64px; height: 4px; margin-top: 16px; border-radius: 4px; background: var(--grad); }
.cta-band h2, .page-title { text-wrap: balance; }

/* Primary buttons: animated tech gradient + shine sweep */
.btn-rn-primary { --bg: var(--grad-btn); background-size: 180% 100%; background-position: 0 0; position: relative; overflow: hidden; isolation: isolate;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background-position .6s var(--ease); }
.btn-rn-primary:hover { background-position: 100% 0; }
.btn-rn-primary::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,.45) 50%, transparent 70%); transform: translateX(-120%); }
.btn-rn-primary:hover::after { transform: translateX(120%); transition: transform .8s var(--ease); }
:root[data-theme="light"] .btn-rn-primary { box-shadow: 0 10px 28px -12px rgba(124, 58, 237, .45), 0 6px 18px -10px rgba(31, 111, 235, .5); }

/* Nav + header accents */
.main-nav a[aria-current="page"]::after { background: var(--grad); width: 22px; margin-left: -11px; }
.site-header.is-scrolled::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: var(--grad); opacity: .5; }
.hero-eyebrow { border-color: color-mix(in srgb, var(--cyan) 35%, transparent); background: color-mix(in srgb, var(--cyan) 8%, transparent); }
.hero-eyebrow .dot { background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }

/* Stats numbers in gradient */
.stat dd { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Per-item accent colors (cycle of 5) */
.service-grid > :nth-child(5n+1), .why-grid > :nth-child(5n+1), .industry-grid > :nth-child(5n+1), .stats > :nth-child(5n+1), .stack-list > :nth-child(5n+1), .quick-contact > :nth-child(5n+1), .mv-grid > :nth-child(5n+1), .info-list > :nth-child(5n+1) { --ac: var(--p1a); --ac2: var(--p1b); }
.service-grid > :nth-child(5n+2), .why-grid > :nth-child(5n+2), .industry-grid > :nth-child(5n+2), .stats > :nth-child(5n+2), .stack-list > :nth-child(5n+2), .quick-contact > :nth-child(5n+2), .mv-grid > :nth-child(5n+2), .info-list > :nth-child(5n+2) { --ac: var(--p2a); --ac2: var(--p2b); }
.service-grid > :nth-child(5n+3), .why-grid > :nth-child(5n+3), .industry-grid > :nth-child(5n+3), .stats > :nth-child(5n+3), .stack-list > :nth-child(5n+3), .quick-contact > :nth-child(5n+3), .info-list > :nth-child(5n+3) { --ac: var(--p3a); --ac2: var(--p3b); }
.service-grid > :nth-child(5n+4), .why-grid > :nth-child(5n+4), .industry-grid > :nth-child(5n+4), .stats > :nth-child(5n+4), .stack-list > :nth-child(5n+4), .info-list > :nth-child(5n+4) { --ac: var(--p4a); --ac2: var(--p4b); }
.service-grid > :nth-child(5n+5), .why-grid > :nth-child(5n+5), .industry-grid > :nth-child(5n+5), .stack-list > :nth-child(5n+5) { --ac: var(--p5a); --ac2: var(--p5b); }

.service-icon { background: linear-gradient(145deg, var(--ac, var(--p1a)), var(--ac2, var(--p1b))); color: #fff;
  box-shadow: 0 14px 30px -12px color-mix(in srgb, var(--ac, var(--signal)) 70%, transparent), inset 0 1px 0 rgba(255,255,255,.3); }
.service-card:hover .service-icon { box-shadow: 0 20px 40px -12px color-mix(in srgb, var(--ac, var(--signal)) 80%, transparent), inset 0 1px 0 rgba(255,255,255,.35); }
.card-watermark { color: var(--ac, var(--signal)); }
.service-card .card-link { color: var(--ac, var(--signal-2)); }
.service-card::before { background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--ac, var(--signal)) 20%, transparent), transparent 60%); }
.service-card { --glow: var(--ac); }

.why-icon, .industry-icon, .stat-icon, .stack-item-icon, .mv-icon, .info-icon {
  color: var(--ac, var(--signal)); background: color-mix(in srgb, var(--ac, var(--signal)) 14%, transparent);
  border-color: color-mix(in srgb, var(--ac, var(--signal)) 30%, transparent);
}
.why-item:hover .why-icon, .industry-card:hover .industry-icon, .industry-card:focus-visible .industry-icon, .stack-item.is-active .stack-item-icon {
  background: linear-gradient(145deg, var(--ac, var(--p1a)), var(--ac2, var(--p1b))); color: #fff; border-color: transparent;
  box-shadow: 0 12px 26px -10px color-mix(in srgb, var(--ac, var(--signal)) 75%, transparent);
}
.quick-icon { background: linear-gradient(145deg, var(--ac, var(--p1a)), var(--ac2, var(--p1b))); color: #fff; box-shadow: 0 12px 26px -12px color-mix(in srgb, var(--ac, var(--signal)) 75%, transparent); }
.contact-info .info-icon { color: var(--ac); background: color-mix(in srgb, var(--ac) 16%, transparent); border-color: color-mix(in srgb, var(--ac) 32%, transparent); }

/* Card border glow picks up each card's own accent */
.fx-card::after { background: radial-gradient(280px circle at var(--mx, 50%) var(--my, 0%), var(--ac, var(--signal)), color-mix(in srgb, var(--violet) 70%, transparent) 38%, transparent 70%); }

/* Ambient colored glows behind key sections */
.services::before, .stack-section::before, .tech::before, .industries::before, .build::before, .why::before, .portfolio::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
}
.services::before { background: radial-gradient(600px 400px at 0% 20%, color-mix(in srgb, var(--violet) var(--orb), transparent), transparent 70%), radial-gradient(520px 380px at 100% 90%, color-mix(in srgb, var(--cyan) var(--orb), transparent), transparent 70%); }
.stack-section::before { background: radial-gradient(640px 460px at 80% 50%, color-mix(in srgb, var(--cyan) var(--orb), transparent), transparent 70%), radial-gradient(500px 360px at 10% 90%, color-mix(in srgb, var(--violet) var(--orb), transparent), transparent 70%); }
.tech::before { background: radial-gradient(620px 460px at 75% 50%, color-mix(in srgb, var(--violet) var(--orb), transparent), transparent 70%); }
.industries::before { background: radial-gradient(560px 420px at 100% 10%, color-mix(in srgb, var(--cyan) var(--orb), transparent), transparent 70%), radial-gradient(520px 380px at 0% 100%, color-mix(in srgb, var(--violet) var(--orb), transparent), transparent 70%); }
.why::before { background: radial-gradient(600px 380px at 50% 0%, color-mix(in srgb, var(--signal) var(--orb), transparent), transparent 70%); }
.portfolio::before { background: radial-gradient(560px 420px at 0% 30%, color-mix(in srgb, var(--cyan) var(--orb), transparent), transparent 70%); }
.build::before { background: radial-gradient(640px 420px at 20% 60%, color-mix(in srgb, var(--violet) var(--orb), transparent), transparent 70%), radial-gradient(520px 380px at 90% 30%, color-mix(in srgb, var(--cyan) var(--orb), transparent), transparent 70%); }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(520px 420px at 72% 42%, color-mix(in srgb, var(--cyan) calc(var(--orb) + 4%), transparent), transparent 70%), radial-gradient(420px 360px at 88% 70%, color-mix(in srgb, var(--violet) calc(var(--orb) + 4%), transparent), transparent 70%); }

/* Gradient hairlines */
.site-footer { border-top: 0; }
.site-footer::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: var(--grad); opacity: .55; }
.timeline-step.is-reached .step-num { border-color: transparent; color: var(--signal-ink); background: var(--grad); box-shadow: 0 0 0 6px color-mix(in srgb, var(--cyan) 14%, transparent), 0 0 22px color-mix(in srgb, var(--cyan) 40%, transparent); }
.filter.is-active { background: var(--grad); border-color: transparent; }
.project-view { background: var(--grad-btn); }
.plate.is-active .plate-face { border-color: var(--cyan); }
.mn-link[aria-current="page"]::before { background: var(--grad); }
.code-badge .fc-dot, .fc-dot { background: var(--success); }

/* ---------- Light theme refinements ---------- */
.service-card, .industry-card, .why-item, .mv-card, .leader-card, .side-panel, .contact-card, .build-panel, .service-row, .tech-category, .tech-group, .stats, .tech-card, .project-card { box-shadow: var(--card-shadow); }
:root[data-theme="light"] .service-card:hover, :root[data-theme="light"] .project-card:hover { box-shadow: 0 24px 50px -28px rgba(31, 111, 235, .45); }
:root[data-theme="light"] .tech-mono { color: color-mix(in srgb, var(--tc) 62%, #0B1F3F); background: color-mix(in srgb, var(--tc) 12%, #FFFFFF); }
:root[data-theme="light"] .hero-grid-bg { opacity: .7; }
:root[data-theme="light"] .map-wrap iframe { filter: none; }
:root[data-theme="light"] .mobile-nav-backdrop { background: rgba(11, 31, 63, .35); }
:root[data-theme="light"] .mobile-nav-panel { box-shadow: -30px 0 80px -30px rgba(11, 31, 63, .35); }
:root[data-theme="light"] .site-footer { background: var(--footer-tint); }
:root[data-theme="light"] .demo-badge { background: #F6D58A; }
/* Logo: light artwork on dark theme, navy artwork on light theme */
.logo-for-light { display: none; }
:root[data-theme="light"] .logo-for-dark { display: none; }
:root[data-theme="light"] .logo-for-light { display: block; }
.scene-fallback .fb-stroke { stroke: var(--signal); }
.scene-fallback .fb-blue { fill: var(--signal); }
.scene-fallback .fb-gold { fill: var(--violet); }
.scene-fallback .fb-arc { stroke: var(--violet); }



/* ==========================================================================
   Signature 3D: "How we build" architecture stack (pure CSS 3D)
   ========================================================================== */
.stack-section { overflow: hidden; }
.stack-layout { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(24px, 4vw, 64px); align-items: center; }
.stack-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 8px; }
.stack-item {
  width: 100%; display: flex; gap: 14px; align-items: flex-start; text-align: left; cursor: pointer;
  padding: 14px 16px; border-radius: 16px; border: 1px solid transparent; background: transparent; color: inherit;
  transition: background .3s, border-color .3s, transform .3s var(--ease);
}
.stack-item:hover { background: color-mix(in srgb, var(--signal) 6%, transparent); }
.stack-item.is-active { background: linear-gradient(90deg, color-mix(in srgb, var(--signal) 14%, transparent), transparent); border-color: var(--line-strong); }
.stack-item-icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; flex: none; color: var(--signal); background: color-mix(in srgb, var(--signal) 10%, transparent); border: 1px solid var(--line); transition: background .3s, color .3s, transform .4s var(--ease); }
.stack-item.is-active .stack-item-icon { background: linear-gradient(145deg, var(--btn-a), var(--btn-b)); color: var(--signal-ink); border-color: transparent; transform: rotate(-6deg); }
.stack-item-text { display: grid; gap: 2px; }
.stack-item-title { font-family: var(--font-display); font-weight: 600; font-size: .98rem; color: var(--ice); }
.stack-item-desc { font-size: .88rem; color: var(--slate); line-height: 1.5; overflow: hidden; }
.stack-item-desc { max-height: 0; opacity: 0; transition: max-height .45s var(--ease), opacity .3s; }
.stack-item.is-active .stack-item-desc { max-height: 80px; opacity: 1; }

.stack-stage {
  --size: 270px; --gap-open: 86px; --gap-closed: 16px; --lift: 34px;
  position: relative; height: 680px; display: grid; place-items: center; perspective: 1800px;
}
.stack-glow { position: absolute; left: 50%; top: 70%; width: 520px; height: 300px; transform: translate(-50%, -50%); border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--signal) 32%, transparent), transparent); filter: blur(20px); pointer-events: none; }
.stack-bob { transform-style: preserve-3d; animation: stackBob 7s ease-in-out infinite; margin-top: calc(var(--gap-open) * 2.4); }
@keyframes stackBob { 50% { transform: translateY(-12px); } }
.stack-rig { transform-style: preserve-3d; transform: rotateX(57deg) rotateZ(-42deg); transition: transform .7s var(--ease); }
.stack-tower { position: relative; width: var(--size); height: var(--size); transform-style: preserve-3d; }
.plate {
  position: absolute; inset: 0; transform-style: preserve-3d; cursor: pointer;
  transform: translateZ(calc(var(--level) * var(--gap-closed)));
  transition: transform .9s var(--ease), opacity .4s; transition-delay: calc(var(--level) * 70ms);
}
.is-exploded .plate { transform: translateZ(calc(var(--level) * var(--gap-open))); }
.is-exploded .plate.is-active { transform: translateZ(calc(var(--level) * var(--gap-open) + var(--lift))); transition-delay: 0s; }
.plate-face {
  position: absolute; inset: 0; border-radius: 18px; padding: 20px 22px; transform-style: preserve-3d;
  display: flex; flex-direction: column; justify-content: flex-end; gap: 12px;
  background:
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 29px 29px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 29px 29px,
    linear-gradient(135deg, color-mix(in srgb, var(--signal) 26%, var(--surface-solid)), color-mix(in srgb, var(--signal) 6%, var(--surface-solid)));
  border: 1px solid color-mix(in srgb, var(--signal) 50%, transparent);
  box-shadow: inset 0 0 50px color-mix(in srgb, var(--signal) 16%, transparent), 0 0 0 1px rgba(255,255,255,.03);
  transition: border-color .4s, box-shadow .4s, opacity .4s, filter .4s;
}
.plate-side { position: absolute; background: linear-gradient(180deg, color-mix(in srgb, var(--signal) 45%, var(--surface-solid)), color-mix(in srgb, var(--signal) 12%, var(--surface-solid))); }
.plate-side-front { left: 14px; right: 14px; top: 100%; height: 12px; transform-origin: top; transform: rotateX(-90deg); }
.plate-side-right { top: 14px; bottom: 14px; left: 100%; width: 12px; transform-origin: left; transform: rotateY(90deg); }
.plate-label { order: 2; display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; color: var(--ice); }
.plate-label .icon { width: 22px; height: 22px; color: var(--signal); }
.plate-chips { display: flex; flex-wrap: wrap; gap: 6px; transform-style: preserve-3d; }
.plate-chip {
  font-size: .72rem; font-weight: 600; padding: 5px 10px; border-radius: 8px; color: var(--ice);
  background: color-mix(in srgb, var(--surface-solid) 70%, transparent); border: 1px solid var(--line-strong);
  transform: translateZ(0); transition: transform .5s var(--ease), box-shadow .5s, border-color .4s;
}
.plate.is-active .plate-face { border-color: var(--cyan); box-shadow: inset 0 0 60px color-mix(in srgb, var(--signal) 26%, transparent), 0 0 40px -6px color-mix(in srgb, var(--signal) 55%, transparent); }
.plate.is-active .plate-chip { transform: translateZ(14px); box-shadow: -6px 8px 14px -6px rgba(0,0,0,.45); border-color: var(--signal); }
.plate.is-active .plate-label .icon { color: var(--cyan); }
.has-focus .plate:not(.is-active) .plate-face { filter: brightness(.62) saturate(.75); }
.has-focus .plate:not(.is-active) .plate-side { filter: brightness(.62); }
.plate-design .plate-face { background:
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 29px 29px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 29px 29px,
    linear-gradient(135deg, color-mix(in srgb, var(--violet) 26%, var(--surface-solid)), color-mix(in srgb, var(--signal) 10%, var(--surface-solid))); }
.stack-beam { position: absolute; left: 50%; top: 50%; width: 2px; height: calc(5 * var(--gap-open) + 40px); margin-left: -1px;
  transform-origin: top center; transform: rotateX(90deg); transform-style: preserve-3d;
  background: linear-gradient(180deg, var(--signal), transparent); opacity: 0; transition: opacity .6s .6s; }
.is-exploded .stack-beam { opacity: .7; }

/* ==========================================================================
   Hero: floating 3D glass cards (parallax depth via JS)
   ========================================================================== */
.hero-float { position: absolute; inset: 0; pointer-events: none; }
.float-wrap { position: absolute; transition: transform .25s linear; will-change: transform; }
.fw-1 { top: 12%; left: -2%; }
.fw-2 { top: 44%; right: -4%; }
.fw-3 { bottom: 18%; left: 4%; }
.float-card {
  display: flex; align-items: center; gap: 10px; padding: 10px 14px 10px 12px; border-radius: 14px;
  background: color-mix(in srgb, var(--surface-solid) 72%, transparent); border: 1px solid var(--line-strong);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 18px 40px -18px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.06);
  transform: perspective(700px) rotateY(-14deg) rotateX(8deg);
  animation: floatCard 6s ease-in-out infinite;
}
.fw-2 .float-card { transform: perspective(700px) rotateY(16deg) rotateX(6deg); animation-delay: -2s; animation-duration: 7s; }
.fw-3 .float-card { animation-delay: -4s; animation-duration: 8s; }
@keyframes floatCard { 50% { translate: 0 -10px; } }
.fc-k { display: block; font-size: .68rem; color: var(--slate); font-weight: 500; line-height: 1.2; }
.fc-v { display: inline-flex; align-items: center; gap: 4px; font-size: .82rem; font-weight: 600; color: var(--ice); white-space: nowrap; }
.fc-v .icon { color: var(--success); }
.fc-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 4px color-mix(in srgb, var(--success) 20%, transparent); animation: pulseDot 2s ease-in-out infinite; }
@keyframes pulseDot { 50% { box-shadow: 0 0 0 7px color-mix(in srgb, var(--success) 6%, transparent); } }
.fc-ic { width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; color: var(--signal-ink); background: linear-gradient(145deg, var(--btn-a), var(--btn-b)); }
.fc-ic .icon { width: 17px; height: 17px; }
.fc-ic-gold { background: linear-gradient(145deg, var(--p4a), var(--p4b)); color: #fff; }
.fc-bars { display: flex; align-items: flex-end; gap: 3px; height: 16px; margin-top: 3px; }
.fc-bars i { width: 5px; border-radius: 2px; background: var(--signal); animation: bar 1.6s ease-in-out infinite; }
.fc-bars i:nth-child(1) { height: 40%; } .fc-bars i:nth-child(2) { height: 75%; animation-delay: -.3s; } .fc-bars i:nth-child(3) { height: 55%; animation-delay: -.6s; } .fc-bars i:nth-child(4) { height: 95%; animation-delay: -.9s; } .fc-bars i:nth-child(5) { height: 65%; animation-delay: -1.2s; }
@keyframes bar { 50% { transform: scaleY(.55); } }
.fc-bars i { transform-origin: bottom; }

@media (max-width: 991.98px) {
  .stack-layout { grid-template-columns: 1fr; }
  .stack-stage { order: -1; height: 600px; --size: 240px; --gap-open: 72px; }
}
@media (max-width: 575.98px) {
  .stack-stage { height: 500px; --size: 172px; --gap-open: 70px; --gap-closed: 12px; --lift: 24px; }
  .stack-bob { margin-top: calc(var(--gap-open) * 3.3); }
  .stack-section { padding-top: 32px; }
  .plate-face { padding: 14px 15px; border-radius: 14px; }
  .plate-label { font-size: .86rem; gap: 7px; }
  .plate-label .icon { width: 17px; height: 17px; }
  .plate-chip { font-size: .62rem; padding: 3px 7px; }
  .stack-glow { width: 340px; height: 220px; }
  .fw-1 { top: 4%; left: 0; } .fw-2 { top: 50%; right: -2%; } .fw-3 { display: none; }
  .float-card { padding: 8px 11px 8px 9px; gap: 8px; }
  .fc-v { font-size: .74rem; }
}
@media (prefers-reduced-motion: reduce) {
  .stack-bob, .float-card, .fc-dot, .fc-bars i { animation: none; }
}


/* ==========================================================================
   3D technology sphere (positions set by app.js)
   ========================================================================== */
.tech-sphere { position: relative; width: 100%; max-width: 580px; aspect-ratio: 1 / 1; margin-inline: auto; touch-action: pan-y; user-select: none; cursor: grab; }
.tech-sphere.is-dragging { cursor: grabbing; }
.sphere-core { position: absolute; inset: 0; perspective: 900px; pointer-events: none; }
.sphere-ring { position: absolute; left: 50%; top: 50%; width: 76%; aspect-ratio: 1; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--signal) 28%, transparent); translate: -50% -50%; }
.sphere-ring.r1 { animation: ringSpin 18s linear infinite; transform: rotateX(72deg); }
.sphere-ring.r2 { animation: ringSpin2 24s linear infinite; transform: rotateY(72deg); border-color: color-mix(in srgb, var(--violet) 30%, transparent); }
.sphere-ring.r3 { width: 58%; animation: ringSpin3 30s linear infinite; transform: rotateX(60deg) rotateY(40deg); border-style: dashed; }
@keyframes ringSpin { to { transform: rotateX(72deg) rotateZ(360deg); } }
@keyframes ringSpin2 { to { transform: rotateY(72deg) rotateZ(-360deg); } }
@keyframes ringSpin3 { to { transform: rotateX(60deg) rotateY(40deg) rotateZ(360deg); } }
.sphere-heart { position: absolute; left: 50%; top: 50%; width: 34%; aspect-ratio: 1; border-radius: 50%; translate: -50% -50%;
  background: radial-gradient(circle at 35% 30%, color-mix(in srgb, var(--signal) 45%, transparent), color-mix(in srgb, var(--signal) 6%, transparent) 60%, transparent 70%);
  filter: blur(6px); animation: heartPulse 5s ease-in-out infinite; }
@keyframes heartPulse { 50% { scale: 1.12; opacity: .8; } }
.sphere-list { list-style: none; padding: 0; margin: 0; }
.js .sphere-list { position: absolute; inset: 0; }
.sphere-tag {
  display: inline-flex; align-items: center; gap: 7px; padding: 5px 11px 5px 5px; margin: 4px; border-radius: 999px; white-space: nowrap;
  background: color-mix(in srgb, var(--surface-solid) 82%, transparent); border: 1px solid var(--line-strong);
  box-shadow: var(--card-shadow); font-size: .8rem; font-weight: 500; color: var(--ice);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.js .sphere-tag { position: absolute; left: 50%; top: 50%; margin: 0; translate: -50% -50%; will-change: transform, opacity; }
.sphere-tag .tech-mono { width: 26px; height: 26px; border-radius: 50%; font-size: .66rem; }
.sphere-tag.is-primary { border-color: color-mix(in srgb, var(--signal) 60%, transparent); box-shadow: 0 0 22px -6px var(--signal-glow); }
.sphere-tag.is-primary .sphere-name { font-weight: 600; }
.sphere-hint { position: absolute; left: 50%; bottom: 0; translate: -50% 0; margin: 0; display: inline-flex; align-items: center; gap: 6px; font-size: .78rem; color: var(--slate); }
.tech-legend { list-style: none; padding: 0; margin: 0 0 24px; display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: .88rem; color: var(--text-2); }
.tech-legend li { display: inline-flex; align-items: center; gap: 8px; }
.legend-dot { width: 12px; height: 12px; border-radius: 50%; border: 1px solid var(--line-strong); background: var(--surface-solid); }
.legend-dot.is-primary { border-color: var(--signal); box-shadow: 0 0 10px var(--signal-glow); }

/* ==========================================================================
   3D code editor window
   ========================================================================== */
.code3d { position: relative; margin-top: 32px; perspective: 1200px; }
.code-window {
  position: relative; border-radius: 16px; overflow: hidden; transform-style: preserve-3d;
  background: #07101F; border: 1px solid rgba(140, 195, 255, .22);
  box-shadow: 0 40px 80px -30px rgba(2, 6, 18, .7), 0 0 0 1px rgba(255,255,255,.02), -20px 30px 60px -40px var(--signal-glow);
  transform: rotateY(14deg) rotateX(8deg) rotateZ(-1deg); transition: transform .6s var(--ease);
}
.code-bar { display: flex; align-items: center; gap: 12px; padding: 10px 14px; background: #0B1830; border-bottom: 1px solid rgba(140, 195, 255, .14); }
.code-dots { display: inline-flex; gap: 6px; }
.code-dots i { width: 10px; height: 10px; border-radius: 50%; background: #FF5F57; }
.code-dots i:nth-child(2) { background: #FEBC2E; } .code-dots i:nth-child(3) { background: #28C840; }
.code-file { display: inline-flex; align-items: center; gap: 6px; font-size: .76rem; color: #93A3C2; }
.code-body { margin: 0; padding: 16px 18px 18px; min-height: 212px; font: 500 .8rem/1.75 ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; color: #D7E3F8; white-space: pre-wrap; }
.code-body code { font: inherit; color: inherit; }
.code-caret { display: inline-block; width: 8px; height: 1.05em; margin-left: 1px; vertical-align: -2px; background: #6CB8FF; animation: caret 1s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }
.tk-k { color: #C792EA; } .tk-f { color: #82AAFF; } .tk-s { color: #C3E88D; } .tk-p { color: #F78C6C; } .tk-c { color: #5F7396; font-style: italic; } .tk-b { color: #FFCB6B; }
.code-badge, .code-chip {
  position: absolute; display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 12px; font-size: .78rem; font-weight: 600; color: var(--ice);
  background: color-mix(in srgb, var(--surface-solid) 85%, transparent); border: 1px solid var(--line-strong);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: 0 18px 36px -16px rgba(0,0,0,.5);
  opacity: 0; transform: translateY(10px); transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.code-badge { right: -10px; bottom: -18px; }
.code-chip { right: -12px; top: -16px; }
.code-chip .icon { color: var(--cyan); }
.code3d.is-done .code-badge, .code3d.is-done .code-chip { opacity: 1; transform: none; animation: floatCard 6s ease-in-out infinite; }
.code3d.is-done .code-chip { animation-delay: -3s; }

/* ==========================================================================
   Moving perspective grid floor (hero + CTA)
   ========================================================================== */
.grid-floor {
  position: absolute; left: -40%; right: -40%; bottom: -2px; height: 75%; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--signal) 55%, transparent) 1.5px, transparent 1.5px),
    linear-gradient(90deg, color-mix(in srgb, var(--signal) 55%, transparent) 1.5px, transparent 1.5px);
  background-size: 72px 72px;
  transform: perspective(380px) rotateX(62deg); transform-origin: 50% 100%;
  mask-image: linear-gradient(0deg, #000 0%, rgba(0,0,0,.6) 35%, transparent 80%); -webkit-mask-image: linear-gradient(0deg, #000 0%, rgba(0,0,0,.6) 35%, transparent 80%);
  opacity: .5; animation: floorMove 3s linear infinite;
}
.grid-floor::after { /* glowing horizon line */
  content: ""; position: absolute; left: 0; right: 0; top: 20%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--signal), transparent); filter: blur(1px); opacity: .6;
}
@keyframes floorMove { to { background-position: 0 72px; } }
.grid-floor-cta { height: 85%; opacity: .45; }
:root[data-theme="light"] .grid-floor { opacity: .35; }
.hero-inner { z-index: 1; }

@media (max-width: 991.98px) {
  .code3d { max-width: 560px; }
}
@media (max-width: 575.98px) {
  .code-window { transform: rotateY(6deg) rotateX(6deg); }
  .code-body { font-size: .7rem; padding: 12px 14px 14px; min-height: 190px; }
  .code-chip { display: none; }
  .code-badge { right: 0; }
  .sphere-tag { font-size: .7rem; padding: 4px 9px 4px 4px; gap: 5px; }
  .sphere-tag .tech-mono { width: 22px; height: 22px; font-size: .58rem; }
  .js .sphere-tag:not(.is-primary) { padding: 3px; }
  .js .sphere-tag:not(.is-primary) .sphere-name { display: none; }
  .grid-floor { height: 55%; }
}
@media (prefers-reduced-motion: reduce) {
  .sphere-ring, .sphere-heart, .grid-floor, .code-caret { animation: none; }
}

/* ---------- Balanced grids (no lonely last card) ---------- */
@media (min-width: 768px) and (max-width: 1199.98px) {
  /* 6-track grid: rows of 3; a final pair splits the row in half, a final single card spans it */
  .service-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .service-grid > * { grid-column: span 2; }
  .service-grid > :nth-child(3n+1):nth-last-child(2), .service-grid > :nth-child(3n+2):last-child { grid-column: span 3; }
  .service-grid > :nth-child(3n+1):last-child { grid-column: span 6; }
}
@media (min-width: 576px) and (max-width: 767.98px) {
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-grid > :last-child:nth-child(odd) { grid-column: span 2; }
}
@media (min-width: 576px) and (max-width: 991.98px) {
  .tech .col-lg-7 > .tech-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}
@media (min-width: 576px) and (max-width: 699.98px) {
  .industry-grid > :last-child:nth-child(odd) { grid-column: span 2; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1199.98px) {
  .main-nav a { padding: 8px 9px; font-size: .85rem; }
  .why-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .timeline { grid-template-columns: repeat(4, minmax(0, 1fr)); row-gap: 36px; }
  .timeline-track { display: none; }
}
@media (max-width: 1399.98px) {
  .main-nav a { padding: 8px 8px; font-size: .84rem; }
  .header-inner { gap: 16px; }
  .header-tools { margin-left: 4px; }
}
@media (max-width: 1279.98px) {
  .main-nav, .header-cta { display: none; }
  .header-tools { margin-left: auto; }
  .nav-toggle { display: inline-flex; }
}
@media (max-width: 991.98px) {
  .quick-contact { grid-template-columns: 1fr; }
  .contact-shell { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-inner { grid-template-columns: 1fr; gap: 8px; padding-bottom: 48px; }
  .hero-canvas { max-width: 460px; }
  .hero-visual { order: -1; margin-top: -8px; margin-bottom: 28px; }
  .project-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-row { grid-template-columns: 1fr; gap: 20px; }
  .leader-grid, .mv-grid { grid-template-columns: 1fr; }
  .tech-canvas { inset: -20% -10%; opacity: .5; }
  .side-panel { position: static; }
}
@media (max-width: 699.98px) {
  .industry-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 767.98px) {
  :root { --header-h: 66px; }
  .row.g-5 { --bs-gutter-x: 1.5rem; --gx: 1.5rem; }
  .brand-logo { height: 32px; }
  .hero-canvas { max-width: 340px; }
  .timeline { grid-template-columns: 1fr; row-gap: 0; }
  .timeline-step { display: grid; grid-template-columns: 46px 1fr; column-gap: 18px; padding-bottom: 26px; }
  .timeline-step::before { content: ""; position: absolute; left: 22px; top: 46px; bottom: 0; width: 2px; background: var(--line); }
  .timeline-step:last-child::before { display: none; }
  .timeline-step .step-num { grid-row: 1 / 3; margin: 0; position: relative; z-index: 1; }
  .feature-list { grid-template-columns: 1fr; }
  .leader-card { flex-direction: column; }
  .map-wrap { aspect-ratio: 4 / 3; }
  .form-footer .btn-rn { margin-left: 0; width: 100%; }
  .footer-cta-actions, .footer-cta-actions .btn-rn { width: 100%; }
  .footer-cta-actions .btn-rn-ghost { font-size: .85rem; }
}
@media (max-width: 575.98px) {
  .stats { grid-template-columns: 1fr; }
  .stat:nth-child(odd) { border-right: 0; }
  .stat:not(:last-child) { border-bottom: 1px solid var(--line); }
  .industry-grid, .project-grid, .why-grid { grid-template-columns: 1fr; }
  .hero-actions .btn-rn { flex: 1 1 100%; }
  .section-head .btn-rn { width: 100%; }
  .tech-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .tech-card { padding: 14px 6px 10px; }
  .captcha { transform: scale(.9); transform-origin: left top; }
}
@media (max-width: 359.98px) {
  .tech-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .brand-logo { height: 28px; }
}

/* Larger tap targets on touch screens */
@media (hover: none), (max-width: 767.98px) {
  .footer-links a, .footer-contact a, .footer-bottom a, .crumbs a { display: inline-flex; align-items: center; min-height: 40px; }
  .footer-links, .footer-contact { gap: 2px; }
  .footer-contact li { align-items: center; }
  .footer-bottom ul { gap: 8px 20px; flex-wrap: wrap; }
  .brand { min-height: 44px; }
}

/* Reduced motion: no smooth scroll, no float/tilt, instant reveals */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .hero-anim [data-hero-item] { opacity: 1; transform: none; }
}