:root {
  --itd-navy: #0b1521;
  --itd-navy-2: #111f33;
  --itd-slate: #1e293b;
  --itd-indigo: #4f46e5;
  --itd-blue: #2563eb;
  --itd-orange: #f97316;
  --itd-cyan: #22d3ee;
  --itd-surface: #f8fafc;
  --itd-line: #e2e8f0;
  --itd-text: #0f172a;
  --itd-muted: #475569;
  --itd-radius: 1.5rem;
  --itd-shadow: 0 24px 64px rgba(15, 23, 42, .14);
}

html { scroll-behavior: smooth; }
body { font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--itd-text); background: #fff; text-rendering: optimizeLegibility; }
img, video { max-width: 100%; }
a, button, input, select, textarea { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid rgba(249, 115, 22, .55); outline-offset: 3px; }
::selection { color: #fff; background: var(--itd-indigo); }

.skip-link { position: fixed; top: .75rem; left: .75rem; z-index: 9999; transform: translateY(-180%); background: #fff; color: var(--itd-navy); padding: .8rem 1rem; border-radius: .75rem; font-weight: 800; box-shadow: var(--itd-shadow); transition: transform .2s ease; }
.skip-link:focus { transform: translateY(0); }

.itd-shell { width: min(100% - 2rem, 80rem); margin-inline: auto; }
.itd-eyebrow { display: inline-flex; align-items: center; gap: .65rem; color: var(--itd-orange); font-size: .72rem; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.itd-eyebrow::before { content: ""; width: 1.8rem; height: 2px; background: currentColor; }
.itd-section-title { color: var(--itd-text); font-size: clamp(2rem, 4vw, 3.65rem); line-height: 1.05; font-weight: 900; letter-spacing: -.045em; }
.itd-lead { color: var(--itd-muted); font-size: clamp(1.05rem, 1.5vw, 1.22rem); line-height: 1.8; }
.itd-kicker { color: var(--itd-indigo); font-size: .78rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.itd-card { background: #fff; border: 1px solid var(--itd-line); border-radius: var(--itd-radius); box-shadow: 0 12px 36px rgba(15, 23, 42, .07); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.itd-card:hover { transform: translateY(-5px); border-color: rgba(79, 70, 229, .24); box-shadow: var(--itd-shadow); }
.itd-button { display: inline-flex; align-items: center; justify-content: center; gap: .7rem; min-height: 3rem; padding: .8rem 1.2rem; border-radius: 999px; font-weight: 850; transition: transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease; }
.itd-button:hover { transform: translateY(-2px); }
.itd-button-primary { background: linear-gradient(135deg, var(--itd-indigo), var(--itd-blue)); color: #fff; box-shadow: 0 14px 30px rgba(79, 70, 229, .25); }
.itd-button-secondary { background: #fff; color: var(--itd-navy); border: 1px solid var(--itd-line); }

.itd-topbar { background: var(--itd-navy); color: #cbd5e1; }
.itd-header { position: sticky; top: 0; z-index: 90; border-bottom: 1px solid rgba(226, 232, 240, .9); background: rgba(255, 255, 255, .94); box-shadow: 0 8px 30px rgba(15, 23, 42, .06); backdrop-filter: blur(18px); }
.itd-brand-mark { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; width: 2.3rem; height: 2.3rem; padding: .38rem; border-radius: .75rem; background: var(--itd-navy); box-shadow: 0 8px 20px rgba(15, 23, 42, .18); }
.itd-brand-mark span:nth-child(1), .itd-brand-mark span:nth-child(4) { background: #fff; }
.itd-brand-mark span:nth-child(2), .itd-brand-mark span:nth-child(3) { background: linear-gradient(135deg, #818cf8, #3b82f6); }
.itd-brand-mark span { border-radius: 2px; }
.itd-nav-link { display: inline-flex; align-items: center; gap: .35rem; min-height: 4.7rem; padding-inline: .85rem; color: #334155; font-size: .9rem; font-weight: 800; border-bottom: 3px solid transparent; transition: color .2s ease, border-color .2s ease; }
.itd-nav-link:hover, .itd-nav-link[aria-current="page"] { color: var(--itd-indigo); border-color: var(--itd-orange); }
.itd-nav-group { position: static; }
.itd-mega { position: absolute; left: 1rem; right: 1rem; top: calc(100% + 1px); display: none; padding-top: .75rem; }
.itd-nav-group:hover .itd-mega, .itd-nav-group:focus-within .itd-mega, .itd-nav-group.is-open .itd-mega { display: block; }
.itd-mega-panel { overflow: hidden; border: 1px solid var(--itd-line); border-radius: 1.4rem; background: rgba(255,255,255,.985); box-shadow: 0 28px 70px rgba(15, 23, 42, .18); }
.itd-mega-intro { background: linear-gradient(145deg, var(--itd-navy), #172a45); color: #fff; }
.itd-mega-link { display: flex; align-items: flex-start; gap: .85rem; padding: 1rem; border-radius: 1rem; transition: background .2s ease, transform .2s ease; }
.itd-mega-link:hover { background: #f1f5f9; transform: translateX(3px); }
.itd-mega-icon { display: grid; place-items: center; flex: 0 0 2.55rem; height: 2.55rem; border-radius: .8rem; color: var(--itd-indigo); background: #eef2ff; }
.itd-mobile-menu { position: fixed; inset: 0 0 0 auto; z-index: 110; width: min(92vw, 25rem); overflow-y: auto; transform: translateX(105%); background: #fff; box-shadow: -20px 0 50px rgba(15,23,42,.2); transition: transform .28s ease; }
.itd-mobile-menu.is-open { transform: translateX(0); }
.itd-mobile-backdrop { position: fixed; inset: 0; z-index: 100; visibility: hidden; opacity: 0; background: rgba(2, 6, 23, .68); transition: opacity .25s ease, visibility .25s ease; }
.itd-mobile-backdrop.is-open { visibility: visible; opacity: 1; }

.itd-page-hero { position: relative; min-height: 34rem; display: flex; align-items: flex-end; overflow: hidden; background: var(--itd-navy); color: #fff; }
.itd-page-hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.itd-page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,14,27,.96) 0%, rgba(5,14,27,.82) 48%, rgba(5,14,27,.28) 100%); }
.itd-page-hero-content { position: relative; z-index: 2; max-width: 48rem; padding-block: 7rem 5rem; }
.itd-page-hero h1 { font-size: clamp(2.55rem, 7vw, 5.5rem); line-height: .98; letter-spacing: -.055em; font-weight: 900; }

.itd-media-frame { position: relative; overflow: hidden; border-radius: 1.8rem; background: var(--itd-navy); box-shadow: var(--itd-shadow); }
.itd-media-frame img, .itd-media-frame video { display: block; width: 100%; height: 100%; object-fit: cover; }
.itd-video-shell { overflow: hidden; border: 1px solid rgba(255,255,255,.14); border-radius: 1.8rem; background: #020617; box-shadow: 0 28px 80px rgba(2,6,23,.35); }
.itd-video-shell video { display: block; width: 100%; aspect-ratio: 16 / 9; background: #020617; }
.itd-video-transcript { border-top: 1px solid #1e293b; background: #0f172a; color: #cbd5e1; }
.itd-video-transcript summary { cursor: pointer; padding: 1rem 1.25rem; color: #fff; font-weight: 800; }
.itd-video-transcript p { padding: 0 1.25rem 1.2rem; line-height: 1.75; }

.itd-service-image { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.itd-image-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(2,6,23,.72), transparent 62%); }
.itd-stat { padding: 1.1rem 1.25rem; border-left: 2px solid rgba(249,115,22,.7); }
.itd-process-line { position: absolute; left: 11%; right: 11%; top: 2.1rem; height: 2px; background: linear-gradient(90deg, #4f46e5, #f97316); }
.itd-process-step { position: relative; z-index: 2; }
.itd-process-number { display: grid; place-items: center; width: 4.25rem; height: 4.25rem; margin-inline: auto; border-radius: 1.35rem; color: #fff; background: linear-gradient(135deg, var(--itd-indigo), var(--itd-blue)); box-shadow: 0 12px 28px rgba(79,70,229,.26); font-size: 1.15rem; font-weight: 900; }

.itd-reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.itd-reveal.is-visible { opacity: 1; transform: translateY(0); }

.itd-scroll-top { position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 85; display: grid; place-items: center; width: 3rem; height: 3rem; border: 0; border-radius: 999px; color: #fff; background: var(--itd-indigo); box-shadow: 0 12px 30px rgba(15,23,42,.22); opacity: 0; visibility: hidden; transform: translateY(10px); transition: .2s ease; }
.itd-scroll-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.itd-scroll-top:hover { background: var(--itd-orange); }

.itd-footer { background: var(--itd-navy); color: #fff; }
.itd-footer a { color: #94a3b8; transition: color .2s ease; }
.itd-footer a:hover { color: #fff; }
.itd-footer-heading { color: #fff; font-size: .78rem; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }

@media (max-width: 1023px) {
  .itd-page-hero { min-height: 28rem; }
  .itd-page-hero::after { background: linear-gradient(90deg, rgba(5,14,27,.95), rgba(5,14,27,.62)); }
  .itd-process-line { display: none; }
}

@media (max-width: 640px) {
  .itd-shell { width: min(100% - 1.25rem, 80rem); }
  .itd-page-hero { min-height: 27rem; }
  .itd-page-hero-content { padding-block: 5.7rem 3.4rem; }
  .itd-page-hero h1 { font-size: clamp(2.3rem, 13vw, 3.7rem); }
  .itd-scroll-top { width: 2.65rem; height: 2.65rem; right: .8rem; bottom: .8rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .itd-reveal { opacity: 1; transform: none; }
}

@media print {
  .itd-topbar, .itd-header, .itd-scroll-top, .itd-video-shell, footer { display: none !important; }
  body { color: #000; background: #fff; }
}