:root {
  --accent: #0D9488;
  --accent-dark: #0B7C72;
  --accent-soft: #E6F5F3;
  --ink: #1E293B;
  --ink-muted: #55657A;
  --bg: #FFFFFF;
  --bg-soft: #F6F8FA;
  --border: #E5EAF0;
  --radius: 14px;
  --nav-h: 68px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

section { scroll-margin-top: var(--nav-h); }

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.nav.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 16px rgba(15, 23, 42, 0.05);
}
.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.brand img { flex-shrink: 0; display: block; }
.brand span em { color: var(--accent); font-style: normal; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  color: var(--ink-muted);
  font-size: 15px;
  font-weight: 500;
  transition: color .2s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-right: -8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 96px) 0 120px;
  overflow: hidden;
  background:
    radial-gradient(720px 420px at 85% -10%, rgba(13, 148, 136, 0.12), transparent 65%),
    radial-gradient(560px 380px at -5% 100%, rgba(13, 148, 136, 0.08), transparent 60%),
    var(--bg);
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  max-width: 100%;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.4;
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 28px;
}
.hero-badge::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
.hero h1 {
  font-size: clamp(38px, 6vw, 62px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  max-width: 780px;
  margin: 0 auto 24px;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero p {
  font-size: clamp(17px, 2.2vw, 20px);
  color: var(--ink-muted);
  max-width: 620px;
  margin: 0 auto 40px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 600;
  padding: 15px 34px;
  border-radius: 999px;
  border: none;
  text-decoration: none;
  cursor: pointer;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
  box-shadow: 0 8px 24px rgba(13, 148, 136, 0.28);
}
.btn:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(13, 148, 136, 0.34);
}
.btn svg { transition: transform .2s ease; }
.btn:hover svg { transform: translateY(2px); }

/* ---------- Section scaffolding ---------- */
.section { padding: 96px 0; }
.section.alt { background: var(--bg-soft); }
.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.section-head .sub {
  margin-top: 14px;
  color: var(--ink-muted);
  font-size: 17px;
}

/* ---------- About ---------- */
.about-text {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.about-text p {
  color: var(--ink-muted);
  font-size: 17.5px;
  margin-bottom: 20px;
}
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 56px;
}
.stat {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.stat:hover {
  transform: translateY(-4px);
  border-color: rgba(13, 148, 136, 0.35);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.07);
}
.stat .num {
  font-size: clamp(30px, 3.5vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--accent);
  line-height: 1.1;
}
.stat .label {
  margin-top: 8px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-muted);
}

/* ---------- Services ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover {
  transform: translateY(-5px);
  border-color: rgba(13, 148, 136, 0.35);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
}
.card-icon {
  width: 52px; height: 52px;
  border-radius: 13px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}
.card h3 {
  font-size: 18.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}
.card p {
  color: var(--ink-muted);
  font-size: 15.5px;
}

/* ---------- Testimonials ---------- */
.quotes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.quote {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.quote:hover {
  transform: translateY(-5px);
  border-color: rgba(13, 148, 136, 0.35);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
}
.quote .mark {
  color: var(--accent);
  margin-bottom: 16px;
}
.quote blockquote {
  font-size: 16px;
  color: var(--ink);
  flex: 1;
  margin-bottom: 22px;
}
.quote cite {
  font-style: normal;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  gap: 10px;
}
.quote cite::before {
  content: '';
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.info-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.info-block:hover {
  transform: translateY(-4px);
  border-color: rgba(13, 148, 136, 0.35);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.07);
}
.info-block .card-icon {
  margin: 0 auto 20px;
}
.info-block h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 12px;
}
.info-block p {
  color: var(--ink-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- Footer ---------- */
.footer {
  background: #10201E;
  color: #9FB8B4;
  padding: 36px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer .brand { color: #fff; font-size: 16px; }
.footer p { font-size: 14px; }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .cards, .quotes, .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .hero { padding: calc(var(--nav-h) + 64px) 0 88px; }
  .cards, .quotes, .contact-grid { grid-template-columns: 1fr; }

  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.08);
    padding: 8px 0;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform .25s ease, opacity .25s ease, visibility .25s;
  }
  .nav-links.open {
    transform: none;
    opacity: 1;
    visibility: visible;
  }
  .nav-links a {
    display: block;
    padding: 14px 24px;
    font-size: 16px;
  }
}