/* ============================================================
   Fast Link Services — Design System
   ============================================================ */
:root {
  --navy-900: #081832;
  --navy-800: #0b2145;
  --navy-700: #12305e;
  --blue-600: #1d5bd8;
  --blue-500: #2e7be4;
  --blue-100: #e3edfb;
  --orange-500: #f97316;
  --orange-600: #ea6a0c;
  --ink: #16233a;
  --muted: #5b6b82;
  --line: #e4e9f1;
  --bg-soft: #f5f8fc;
  --white: #ffffff;
  --radius: 16px;
  --shadow-sm: 0 1px 3px rgba(8, 24, 50, 0.08);
  --shadow-md: 0 10px 30px -10px rgba(8, 24, 50, 0.18);
  --shadow-lg: 0 24px 60px -20px rgba(8, 24, 50, 0.3);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--blue-600); text-decoration: none; }

h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 0.5em; font-weight: 800; letter-spacing: -0.02em; }

.container { width: min(1160px, 92%); margin-inline: auto; }

section { padding: 56px 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn svg { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--orange-500); color: #fff; box-shadow: 0 8px 20px -8px rgba(249, 115, 22, 0.6); }
.btn-primary:hover { background: var(--orange-600); }
.btn-outline { border-color: rgba(255, 255, 255, 0.35); color: #fff; }
.btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.08); }
.btn-navy { background: var(--navy-800); color: #fff; }
.btn-navy:hover { background: var(--navy-700); }

/* ---------- Topbar ---------- */
.topbar {
  background: var(--navy-900);
  color: #b9c6da;
  font-size: 13px;
  padding: 8px 0;
}
.topbar .container { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.topbar a { color: #dbe4f0; }
.topbar a:hover { color: #fff; }
.topbar .items { display: flex; gap: 22px; flex-wrap: wrap; }
.topbar svg { width: 14px; height: 14px; vertical-align: -2px; margin-right: 6px; color: var(--orange-500); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.2s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 48px; width: auto; }
.brand .brand-name { font-weight: 800; font-size: 19px; color: var(--navy-800); letter-spacing: -0.02em; line-height: 1.1; }
.brand .brand-name span { display: block; font-size: 11px; font-weight: 600; color: var(--muted); letter-spacing: 0.14em; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 30px; }
.nav a { color: var(--ink); font-weight: 600; font-size: 15px; position: relative; padding: 6px 0; }
.nav a:hover, .nav a.active { color: var(--blue-600); }
.nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 3px;
  border-radius: 3px;
  background: var(--orange-500);
}
.nav .btn { padding: 11px 22px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2.5px;
  border-radius: 2px;
  background: var(--navy-800);
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.nav-actions { display: none; }

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(8, 24, 50, 0.55);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s;
}
.nav-overlay.show { opacity: 1; visibility: visible; }
body.nav-locked { overflow: hidden; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--navy-900);
  color: #fff;
  padding: 84px 0 108px;
  overflow: hidden;
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero-slide.active { opacity: 1; }
.hero-slides::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(8, 24, 50, 0.94) 20%, rgba(8, 24, 50, 0.72) 55%, rgba(8, 24, 50, 0.45) 100%);
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: center; }
.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(249, 115, 22, 0.15);
  border: 1px solid rgba(249, 115, 22, 0.4);
  color: #ffc397;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero h1 { font-size: clamp(34px, 5vw, 56px); margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--orange-500); }
.hero p.lead { font-size: 18px; color: #c2cede; max-width: 54ch; margin: 0 0 34px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.quote-widget {
  background: #fff;
  border-radius: var(--radius);
  padding: 26px;
  color: var(--ink);
  box-shadow: var(--shadow-lg);
}
.quote-widget h3 { color: var(--navy-800); font-size: 19px; margin-bottom: 4px; }
.quote-widget .sub { font-size: 13.5px; color: var(--muted); margin: 0 0 16px; }
.quote-widget .form-grid { gap: 12px; }
.quote-widget label { font-size: 12.5px; }

/* ---------- Stats strip ---------- */
.stats {
  position: relative;
  z-index: 5;
  margin-top: -64px;
  padding: 0;
}
.stats .grid {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
}
.stat { padding: 30px 24px; text-align: center; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat .num { font-size: 38px; font-weight: 800; color: var(--navy-800); letter-spacing: -0.03em; }
.stat .num span { color: var(--orange-500); }
.stat .label { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); }

/* ---------- Section headers ---------- */
.section-head { max-width: 640px; margin-bottom: 30px; }
.section-head.center { margin-inline: auto; text-align: center; }
.kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange-500);
  margin-bottom: 10px;
}
.section-head h2 { font-size: clamp(28px, 3.6vw, 40px); color: var(--navy-800); }
.section-head p { color: var(--muted); font-size: 17px; margin: 0; }

/* ---------- Services ---------- */
.bg-soft { background: var(--bg-soft); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.card.has-photo { padding: 0; overflow: hidden; }
.card.has-photo .card-photo { height: 165px; overflow: hidden; }
.card.has-photo .card-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.card.has-photo:hover .card-photo img { transform: scale(1.06); }
.card.has-photo .card-body { padding: 20px 22px 24px; position: relative; }
.card.has-photo .icon {
  position: absolute;
  top: -29px;
  right: 20px;
  box-shadow: var(--shadow-md);
  background: var(--orange-500);
  color: #fff;
  margin-bottom: 0;
}
.card.has-photo h3 { margin-top: 2px; }
.card .icon {
  width: 58px; height: 58px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--blue-100);
  color: var(--blue-600);
  margin-bottom: 22px;
}
.card .icon svg { width: 30px; height: 30px; }
.card h3 { font-size: 20px; color: var(--navy-800); }
.card p { color: var(--muted); font-size: 15px; margin: 0 0 18px; }
.card .more { font-weight: 700; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.card .more svg { width: 15px; height: 15px; transition: transform 0.15s ease; }
.card .more:hover svg { transform: translateX(4px); }

/* ---------- Feature split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split .visual {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(150deg, var(--navy-800), var(--blue-600));
  min-height: 380px;
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.9);
}
.split .visual svg { width: 70%; height: auto; }
.checklist { list-style: none; padding: 0; margin: 24px 0 32px; display: grid; gap: 14px; }
.checklist li { display: flex; gap: 14px; align-items: flex-start; font-weight: 500; }
.checklist .tick {
  flex: 0 0 26px;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--blue-100);
  color: var(--blue-600);
  display: grid;
  place-items: center;
  margin-top: 2px;
}
.checklist .tick svg { width: 14px; height: 14px; }
.checklist strong { display: block; color: var(--navy-800); }
.checklist span.desc { display: block; color: var(--muted); font-weight: 400; font-size: 14.5px; }

/* ---------- Process ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; }
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--blue-100);
  -webkit-text-stroke: 1.5px var(--blue-500);
  margin-bottom: 12px;
}
.step h3 { font-size: 17px; color: var(--navy-800); }
.step p { font-size: 14.5px; color: var(--muted); margin: 0; }

/* ---------- Partners / affiliations ---------- */
.logo-row { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.logo-pill {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 14px 26px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.04em;
  transition: color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.logo-pill:hover { color: var(--navy-800); border-color: var(--blue-500); transform: translateY(-3px); }
.logo-card {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 12px 22px;
  display: grid;
  place-items: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.logo-card img { height: 44px; width: auto; object-fit: contain; }
.logo-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.logo-card.group { display: grid; gap: 10px; justify-items: center; padding: 20px 28px; min-width: 200px; }
.logo-card.group img { height: 64px; }
.logo-card.group .group-name { font-weight: 700; font-size: 14px; color: var(--navy-800); text-align: center; max-width: 200px; }
.logo-card.group .group-mark {
  width: 64px; height: 64px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.02em;
  color: #fff;
  background: linear-gradient(140deg, var(--blue-600), var(--navy-800));
}
.marquee { overflow: hidden; position: relative; }
.marquee .track { display: flex; gap: 16px; width: max-content; animation: marquee 30s linear infinite; }
.marquee:hover .track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  .marquee .track { animation: none; flex-wrap: wrap; width: auto; justify-content: center; }
}

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--navy-900), var(--navy-700));
  color: #fff;
  border-radius: var(--radius);
  padding: 44px 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-band::after {
  content: "";
  position: absolute;
  right: -80px; top: -80px;
  width: 280px; height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.35), transparent 70%);
}
.cta-band h2 { font-size: clamp(24px, 3vw, 34px); margin: 0 0 8px; }
.cta-band p { margin: 0; color: #b9c6da; }

/* ---------- Team ---------- */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.member { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 24px; text-align: center; }
.member .avatar {
  width: 84px; height: 84px;
  margin: 0 auto 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(140deg, var(--blue-600), var(--navy-800));
}
.member .avatar-photo {
  width: 110px; height: 110px;
  margin: 0 auto 18px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--blue-100);
  box-shadow: var(--shadow-sm);
}
.member h3 { font-size: 17px; margin-bottom: 2px; color: var(--navy-800); }
.member p { margin: 0; font-size: 13.5px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--orange-500); }

/* ---------- Offices / contact ---------- */
.office-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.office { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 28px; }
.office .city {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-600);
  background: var(--blue-100);
  border-radius: 999px;
  padding: 5px 14px;
  margin-bottom: 16px;
}
.office.head .city { color: #fff; background: var(--orange-500); }
.office h3 { font-size: 19px; color: var(--navy-800); }
.office ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; font-size: 15px; color: var(--muted); }
.office li { display: flex; gap: 10px; align-items: flex-start; }
.office li svg { flex: 0 0 17px; width: 17px; height: 17px; color: var(--orange-500); margin-top: 4px; }
.office a { font-weight: 600; }

/* ---------- Forms ---------- */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow-sm); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
label { display: block; font-size: 13.5px; font-weight: 700; color: var(--navy-800); margin-bottom: 6px; }
input, select, textarea {
  width: 100%;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--bg-soft);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  transition: border-color 0.15s ease, background 0.15s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  background: #fff;
}
textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 13px; color: var(--muted); }
.form-status { display: none; margin-top: 16px; padding: 14px 18px; border-radius: 10px; font-weight: 600; font-size: 14.5px; }
.form-status.ok { display: block; background: #e7f7ee; color: #14743e; }
.form-status.err { display: block; background: #fdeaea; color: #b3261e; }

/* ---------- Tracking ---------- */
.track-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
  color: #fff;
  padding: 52px 0;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 26px 26px;
}
.page-hero .container { position: relative; }
.page-hero h1 { font-size: clamp(30px, 4.4vw, 46px); margin: 0 0 8px; }
.page-hero .crumbs { color: #9fb0c8; font-size: 14px; font-weight: 600; }
.page-hero .crumbs a { color: #d6e0ee; }
.page-hero .crumbs a:hover { color: #fff; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: #a7b6cc; padding: 52px 0 0; font-size: 14.5px; }
.site-footer .cols {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-footer h4 { color: #fff; font-size: 15px; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 18px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer a { color: #a7b6cc; }
.site-footer a:hover { color: #fff; }
.site-footer .about-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.site-footer .about-brand img { height: 44px; border-radius: 8px; }
.site-footer .about-brand strong { color: #fff; font-size: 17px; }
.site-footer li { display: flex; gap: 10px; align-items: flex-start; }
.site-footer li svg { flex: 0 0 16px; width: 16px; height: 16px; color: var(--orange-500); margin-top: 3px; }
.copyright { padding: 22px 0; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13.5px; color: #7488a3; }

/* ---------- FAQ accordion ---------- */
.faq { display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 0; overflow: hidden; }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 22px;
  font-weight: 700;
  color: var(--navy-800);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 22px; font-weight: 600; color: var(--orange-500); transition: transform 0.2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0; padding: 0 22px 18px; color: var(--muted); font-size: 15px; }

/* ---------- Calculator / tools ---------- */
.calc-result {
  margin-top: 16px;
  padding: 18px 22px;
  border-radius: 12px;
  background: var(--blue-100);
  color: var(--navy-800);
  font-weight: 600;
  display: none;
}
.calc-result.show { display: block; }
.calc-result strong { font-size: 22px; color: var(--blue-600); }
.spec-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); font-size: 14.5px; }
.spec-table th { background: var(--navy-800); color: #fff; text-align: left; padding: 13px 16px; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; }
.spec-table td { padding: 12px 16px; border-top: 1px solid var(--line); color: var(--muted); }
.spec-table td:first-child { font-weight: 700; color: var(--navy-800); }
.table-wrap { overflow-x: auto; border-radius: var(--radius); }

/* ---------- WhatsApp button ---------- */
.wa-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 24px -6px rgba(37, 211, 102, 0.6);
  transition: transform 0.15s ease;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .nav, .nav > a, .nav .nav-actions, .nav-overlay, .nav-toggle span { transition: none !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  section { padding: 44px 0; }
  .hero .container { grid-template-columns: 1fr; }
  .hero-art { display: none; }
  .cards, .steps, .team-grid, .office-grid, .track-options { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .stats .grid { grid-template-columns: repeat(2, 1fr); }
  .stat { border-left: 0; border-top: 1px solid var(--line); }
  .stat:nth-child(-n+2) { border-top: 0; }
  .stat:nth-child(even) { border-left: 1px solid var(--line); }
  .site-footer .cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .topbar .items.right { display: none; }
  /* The header's backdrop-filter makes it the containing block for
     position:fixed children, so the panel must anchor to the header itself. */
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 20px 6vw 28px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    max-height: calc(100dvh - 76px);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
    z-index: 99;
  }
  .nav.open { opacity: 1; visibility: visible; transform: none; }
  .nav a {
    font-size: 17px;
    padding: 14px 12px;
    width: 100%;
    border-bottom: 1px solid var(--line);
    border-radius: 10px 10px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .nav a:not(.btn)::after { content: "›"; font-size: 20px; color: var(--muted); font-weight: 400; }
  .nav a.active { background: var(--blue-100); border-bottom-color: transparent; border-radius: 10px; box-shadow: inset 3px 0 0 var(--orange-500); }
  .nav a.active::after { color: var(--blue-600); }
  .nav .btn {
    margin-top: 14px;
    border-bottom: 0;
    border-radius: 999px;
    justify-content: center;
    padding: 14px 22px;
  }
  .nav .btn::after { content: none; }
  /* staggered reveal */
  .nav > a, .nav .nav-actions {
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease;
  }
  .nav.open > a, .nav.open .nav-actions { opacity: 1; transform: none; }
  .nav.open > a:nth-child(1) { transition-delay: 0.05s; }
  .nav.open > a:nth-child(2) { transition-delay: 0.09s; }
  .nav.open > a:nth-child(3) { transition-delay: 0.13s; }
  .nav.open > a:nth-child(4) { transition-delay: 0.17s; }
  .nav.open > a:nth-child(5) { transition-delay: 0.21s; }
  .nav.open > a:nth-child(6) { transition-delay: 0.25s; }
  .nav.open > a:nth-child(7) { transition-delay: 0.29s; }
  .nav.open .nav-actions { transition-delay: 0.33s; }
  .nav-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    width: 100%;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
  }
  .nav-actions a {
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    padding: 14px 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--navy-800);
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: 12px;
    text-align: center;
  }
  .nav-actions a::after { content: none; }
  .nav-actions a:active { background: var(--blue-100); }
  .nav-actions svg { width: 21px; height: 21px; color: var(--orange-500); }
  .nav-toggle { display: flex; }
  .cards, .steps, .team-grid, .office-grid, .track-options { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 40px 28px; }
  .form-card { padding: 28px 22px; }
  .site-footer .cols { grid-template-columns: 1fr; gap: 36px; }
}