/* =========================================================
   AKV TECH WORLD — Stylesheet
   Palette: light technology theme — navy type, blue + red
   brand accents, soft cyan glow, restrained gold highlight.
   ========================================================= */

:root {
  /* Color tokens */
  --navy: #0A1F44;
  --navy-soft: #1C355E;
  --blue: #1668E3;
  --blue-dark: #164FA6;
  --blue-tint: #EAF2FE;
  --red: #E63946;
  --red-dark: #C62734;
  --green: #159A63;
  --gold: #C8A24A;
  --cyan-glow: rgba(56, 189, 248, 0.16);
  --bg: #F6FAFF;
  --bg-alt: #EFF5FC;
  --white: #FFFFFF;
  --ink: #0A1F44;
  --muted: #5B6B82;
  --muted-soft: #8493A8;
  --border: #E1EAF5;
  --shadow-sm: 0 2px 10px rgba(10, 31, 68, 0.06);
  --shadow-md: 0 10px 30px rgba(10, 31, 68, 0.09);
  --shadow-lg: 0 20px 50px rgba(10, 31, 68, 0.14);

  /* Type */
  --font-head: 'Sora', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  /* Layout */
  --container: 1180px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --header-h: 92px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body, h1, h2, h3, h4, p, ul, figure { margin: 0; }
ul { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font: inherit; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-head); color: var(--navy); line-height: 1.2; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; padding: 100px 0; }
section.tight { padding: 64px 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

/* ---------- Focus states ---------- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2.5px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  background: var(--navy);
  color: var(--white);
  padding: 10px 18px;
  border-radius: 8px;
  z-index: 1000;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 12px; }

/* ---------- Eyebrow / section label ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 1.4px;
  color: var(--blue-dark);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--red));
  flex: none;
}

.section-head { max-width: 640px; margin-bottom: 52px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 700; }
.section-head p { color: var(--muted); font-size: 16.5px; margin-top: 14px; }

/* =========================================================
   HEADER / NAV
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(246, 250, 255, 0.86);
  backdrop-filter: blur(10px) saturate(160%);
  -webkit-backdrop-filter: blur(10px) saturate(160%);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.25s ease;
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(10,31,68,0.06); }

.nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }

.brand { display: flex; align-items: center; gap: 10px; height: 100%; }
.brand img { height: 70px; width: auto; max-width: 100%; object-fit: contain; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
}
.nav-links a {
  font-size: 15px;
  font-weight: 600;
  color: var(--navy-soft);
  position: relative;
  padding: 6px 2px;
  transition: color 0.2s ease;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--red));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-links a:hover { color: var(--blue-dark); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--blue-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2.4px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.4px) rotate(-45deg); }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: var(--white);
  box-shadow: 0 10px 24px rgba(22, 104, 227, 0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(22, 104, 227, 0.34); }
.btn-secondary {
  background: var(--white);
  color: var(--navy);
  border: 1.5px solid var(--border);
}
.btn-secondary:hover { border-color: var(--green); color: var(--green); transform: translateY(-2px); }
.btn-whatsapp { background: #1FA855; color: var(--white); box-shadow: 0 10px 24px rgba(31,168,85,0.28); }
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(31,168,85,0.34); }
.btn-block { width: 100%; }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  padding: 76px 0 90px;
  overflow: hidden;
  background:
    radial-gradient(600px 420px at 82% 18%, var(--cyan-glow), transparent 70%),
    linear-gradient(180deg, #FBFDFF 0%, var(--bg) 100%);
}
.hero-bg-lines {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}
.hero-copy h1 {
  font-size: clamp(34px, 4.6vw, 56px);
  font-weight: 800;
  letter-spacing: -0.5px;
}
.hero-copy h1 .navy { color: var(--navy); }
.hero-copy h1 .accent { color: var(--red); }
.hero-copy p.lede {
  margin-top: 22px;
  font-size: 17.5px;
  color: var(--muted);
  max-width: 46ch;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

.pill-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.pill {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-soft);
  background: var(--white);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.hero-visual::before {
  content: "";
  position: absolute;
  width: 380px; height: 380px;
  max-width: 85%;
  border-radius: 50%;
  background: radial-gradient(circle, var(--cyan-glow), transparent 72%);
  z-index: 0;
}
.hero-visual img {
  position: relative;
  z-index: 1;
  width: min(500px, 92%);
  height: auto;
  animation: logoIn 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

@keyframes logoIn {
  from { opacity: 0; transform: translateY(14px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* =========================================================
   PROCESS / SERVICE STRIP
   ========================================================= */
.process {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.process-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}
.process-row::before {
  content: "";
  position: absolute;
  top: 22px; left: 8%; right: 8%;
  height: 1.5px;
  background: linear-gradient(90deg, var(--blue), var(--green), var(--gold), var(--red), var(--red-dark));
  opacity: 0.25;
  z-index: 0;
}
.process-row.values { grid-template-columns: repeat(4, 1fr); }
.process-row.values::before { background: linear-gradient(90deg, #38BDF8, var(--gold), var(--blue), #A855F7); }
.process-step { position: relative; z-index: 1; text-align: center; padding: 0 10px; }
.process-dot {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--bg-alt);
  border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  color: var(--blue-dark);
}
.process-step h3 { font-size: 15px; font-weight: 700; letter-spacing: 0.4px; }
.process-step p { font-size: 12.5px; color: var(--muted); margin-top: 4px; letter-spacing: 0.3px; }

/* =========================================================
   ABOUT
   ========================================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.about-copy p { color: var(--muted); font-size: 16px; margin-bottom: 18px; }
.about-copy .stat-highlight {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 6px;
  padding: 16px 22px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.stat-highlight .num { font-family: var(--font-head); font-size: 34px; font-weight: 800; color: var(--blue-dark); }
.stat-highlight .label { font-size: 13.5px; color: var(--muted); max-width: 22ch; }

.pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.pillar-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.pillar-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.pillar-card .icon { color: var(--blue-dark); margin-bottom: 14px; }
.pillar-card h3 { font-size: 16.5px; font-weight: 700; margin-bottom: 6px; }
.pillar-card p { font-size: 14px; color: var(--muted); }

.tech-badges { margin-top: 34px; }
.tech-badges h4 { font-size: 13px; letter-spacing: 1px; text-transform: uppercase; color: var(--muted-soft); margin-bottom: 14px; font-weight: 700; }
.badge-row { display: flex; flex-wrap: wrap; gap: 10px; }
.badge {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-soft);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 8px;
}

/* =========================================================
   SERVICES
   ========================================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 26px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: #CFE0FA;
}
.service-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--blue-tint), #F4F9FF);
  color: var(--blue-dark);
  margin-bottom: 18px;
}
.service-card h3 { font-size: 17.5px; font-weight: 700; margin-bottom: 8px; }
.service-card p { font-size: 14.5px; color: var(--muted); }
.service-card .card-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px; font-size: 13.5px; font-weight: 700; color: var(--blue-dark);
}
.service-card .card-link svg { transition: transform 0.2s ease; }
.service-card:hover .card-link svg { transform: translateX(3px); }

/* =========================================================
   SOFTWARE & APPS
   ========================================================= */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.product-card {
  background: linear-gradient(180deg, var(--white), #FCFEFF);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.product-mark {
  width: 54px; height: 54px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-family: var(--font-head); font-weight: 800; font-size: 18px;
  margin-bottom: 20px;
}
.product-mark.trade { background: linear-gradient(135deg, var(--blue), var(--blue-dark)); }
.product-mark.tv { background: linear-gradient(135deg, var(--red), var(--red-dark)); }
.product-mark.future { background: linear-gradient(135deg, var(--muted-soft), var(--navy-soft)); }
.product-tag {
  align-self: flex-start;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--blue-dark);
  background: var(--blue-tint);
  padding: 5px 11px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.product-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.product-card p { font-size: 14.5px; color: var(--muted); flex-grow: 1; }
.product-card .card-link { margin-top: 20px; }

/* =========================================================
   PROJECTS
   ========================================================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.project-card {
  position: relative;
  background: var(--navy);
  border-radius: var(--radius-md);
  padding: 26px 24px;
  overflow: hidden;
  min-height: 150px;
  display: flex; flex-direction: column; justify-content: flex-end;
  transition: transform 0.22s ease;
}
.project-card:hover { transform: translateY(-5px); }
.project-card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(280px 160px at 85% -10%, rgba(56,189,248,0.35), transparent 70%);
}
.project-card h3 { color: var(--white); font-size: 16.5px; font-weight: 700; position: relative; z-index: 1; }
.project-card p { color: #C7D4E8; font-size: 13px; margin-top: 6px; position: relative; z-index: 1; }

/* =========================================================
   FOUNDER
   ========================================================= */
.founder-wrap {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-sm);
}
.founder-avatar {
  width: 200px; height: 200px;
  border-radius: 50%;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--blue-tint), #FDEDEE);
  border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-weight: 800; font-size: 46px;
  color: var(--blue-dark);
}
.founder-role { color: var(--red); font-weight: 700; font-size: 13.5px; letter-spacing: 0.8px; text-transform: uppercase; margin-bottom: 6px; }
.founder-name { font-size: 28px; font-weight: 800; }
.founder-title { color: var(--muted); font-weight: 600; margin-top: 4px; font-size: 15px; }
.founder-bio { margin-top: 18px; color: var(--muted); font-size: 15.5px; max-width: 62ch; }
.founder-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.founder-brandmark { margin-top: 26px; }
.founder-brandmark img { width: 190px; height: auto; margin: 0 auto; }

/* =========================================================
   BRAND SHOWCASE
   ========================================================= */
.brand-showcase {
  background: linear-gradient(180deg, var(--navy) 0%, #08152E 100%);
  padding: 80px 0;
  text-align: center;
}
.brand-showcase .eyebrow { color: #8FC1FF; justify-content: center; display: inline-flex; }
.brand-showcase h2 { color: var(--white); font-size: clamp(24px, 3vw, 32px); margin-bottom: 34px; }
.brand-showcase img {
  max-width: min(760px, 92%);
  width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: 14px;
  box-shadow: 0 30px 70px rgba(0,0,0,0.45);
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 44px;
}
.contact-info-card {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.contact-info-card h3 { color: var(--white); font-size: 21px; margin-bottom: 8px; }
.contact-info-card > p { color: #B7C6E0; font-size: 14.5px; margin-bottom: 28px; }
.contact-row {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.contact-row:first-of-type { border-top: none; }
.contact-row .icon {
  width: 38px; height: 38px; flex: none;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: #7FB2FF;
}
.contact-row a, .contact-row span.value { font-weight: 600; font-size: 14.5px; }
.contact-row .label { display: block; font-size: 12px; color: #93A5C4; margin-bottom: 2px; }
.contact-quick { display: flex; gap: 10px; margin-top: 28px; flex-wrap: wrap; }

.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13.5px; font-weight: 700; color: var(--navy-soft); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--bg-alt);
  color: var(--ink);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--blue);
  background: var(--white);
  outline: none;
}
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 12.5px; color: var(--muted-soft); margin-top: 12px; }
.form-status { font-size: 14px; font-weight: 600; margin-top: 14px; display: none; }
.form-status.show { display: block; }
.form-status.ok { color: var(--green); }
.form-status.err { color: var(--red); }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  background: var(--navy);
  color: #C7D4E8;
  padding: 70px 0 26px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo-card {
  display: inline-block;
  background: var(--white);
  border-radius: 12px;
  padding: 10px 16px;
  margin-bottom: 16px;
}
.footer-brand img { height: 46px; width: auto; display: block; }
.footer-brand p { font-size: 13.5px; color: #9FB0CC; max-width: 30ch; }
.footer-tagline { margin-top: 14px; font-size: 12.5px; letter-spacing: 1px; color: var(--gold); text-transform: uppercase; font-weight: 700; }
.footer-col h4 { color: var(--white); font-size: 14.5px; margin-bottom: 16px; font-weight: 700; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: #B7C6E0; transition: color 0.2s ease; }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 10px;
  padding-top: 24px;
  font-size: 13px; color: #8FA1C2;
}

/* =========================================================
   REVEAL ANIMATION (single, restrained)
   ========================================================= */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* =========================================================
   BACK TO TOP
   ========================================================= */
.to-top {
  position: fixed;
  right: 22px; bottom: 22px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  z-index: 400;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .founder-wrap { grid-template-columns: 1fr; text-align: center; padding: 40px 28px; }
  .founder-avatar { margin: 0 auto; }
  .founder-badges { justify-content: center; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; margin-bottom: 10px; }
  .hero-visual img { width: min(320px, 78%); }
  .hero-copy p.lede { max-width: none; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .pillars { grid-template-columns: 1fr 1fr; }
  .process-row { grid-template-columns: repeat(3, 1fr); row-gap: 30px; }
  .process-row::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  section { padding: 72px 0; }
  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 18px 24px 26px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav-links a { width: 100%; padding: 12px 4px; border-bottom: 1px solid var(--bg-alt); }
  .nav-toggle { display: flex; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .pillars { grid-template-columns: 1fr; }
  .process-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .stat-highlight { flex-direction: column; align-items: flex-start; gap: 2px; }
}

@media (max-width: 480px) {
  :root { --header-h: 76px; }
  .brand img { height: 56px; }
  .container { padding: 0 18px; }
  .hero { padding: 56px 0 64px; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}