/* ── Reset & Base ────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --clr-bg:        #fafaf9;
  --clr-surface:   #ffffff;
  --clr-text:      #1c1917;
  --clr-text-muted:#78716c;
  --clr-primary:   #0a7c6b;
  --clr-primary-l: #e1f5f0;
  --clr-primary-d: #065f51;
  --clr-accent:    #f59e0b;
  --clr-border:    #e7e5e4;
  --clr-metric-bg: #ffffff;
  --radius:        12px;
  --radius-sm:     8px;
  --max-w:         1200px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --heading-lh:    1.15;
  --body-lh:       1.65;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: var(--body-lh);
  color: var(--clr-text);
  background: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
}

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

/* ── Typography ──────────────────────────────── */
.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--clr-primary);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: var(--heading-lh);
  margin-bottom: 16px;
  max-width: 640px;
}
.section-title--light { color: #fff; }
.section-desc {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  max-width: 560px;
  margin-bottom: 48px;
}
.section-desc--light { color: rgba(255,255,255,0.8); }

/* ── Buttons ─────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  font-family: var(--font);
}
.btn--primary {
  background: var(--clr-primary);
  color: #fff;
}
.btn--primary:hover {
  background: var(--clr-primary-d);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(10,124,107,0.3);
}
.btn--ghost {
  background: transparent;
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
}
.btn--ghost:hover {
  border-color: var(--clr-text-muted);
  background: #fff;
}
.btn--lg { padding: 16px 36px; font-size: 1rem; }

/* ── Header ──────────────────────────────────── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250,250,249,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.logo__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--clr-primary);
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
}
.logo__text {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--clr-text);
}

.nav { display: flex; align-items: center; gap: 28px; }
.nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  transition: color 0.2s;
}
.nav a:hover { color: var(--clr-text); }
.nav__cta {
  padding: 8px 20px;
  background: var(--clr-primary);
  color: #fff !important;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.nav__cta:hover { background: var(--clr-primary-d) !important; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--clr-text); border-radius: 2px; transition: 0.3s; }

/* ── Hero ────────────────────────────────────── */
.hero {
  padding: 140px 0 80px;
  overflow: hidden;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero__badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--clr-primary);
  background: var(--clr-primary-l);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.hero__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.08;
  margin-bottom: 20px;
}
.hero__title--accent { color: var(--clr-primary); }
.hero__sub {
  font-size: 1.1rem;
  color: var(--clr-text-muted);
  max-width: 480px;
  margin-bottom: 32px;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__visual { display: flex; align-items: center; justify-content: center; }
.hero__globe {
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, #e1f5f0, #0a7c6b 60%, #065f51);
  opacity: 0.85;
  position: relative;
  animation: pulse 4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.05); opacity: 0.7; }
}

/* ── Metrics ─────────────────────────────────── */
.metrics {
  padding: 40px 0 60px;
}
.metrics__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.metric {
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
}
.metric__num {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--clr-primary);
  margin-bottom: 4px;
}
.metric__label {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
}

/* ── Features ────────────────────────────────── */
.features {
  padding: 80px 0;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.25s;
}
.feature-card:hover {
  border-color: var(--clr-primary);
  box-shadow: 0 8px 30px rgba(10,124,107,0.08);
  transform: translateY(-2px);
}
.feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  color: #fff;
}
.feature-card__icon--search { background: #0891b2; }
.feature-card__icon--verify { background: var(--clr-primary); }
.feature-card__icon--track  { background: var(--clr-accent); }
.feature-card__icon--shield { background: #8b5cf6; }
.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

/* ── About ───────────────────────────────────── */
.about {
  padding: 80px 0;
  background: #fff;
}
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about__visual { display: flex; justify-content: center; }
.about__card {
  background: var(--clr-primary-l);
  border-radius: var(--radius);
  padding: 48px 40px;
  text-align: center;
  max-width: 320px;
}
.about__stat {
  font-size: 3rem;
  font-weight: 800;
  color: var(--clr-primary);
  line-height: 1;
  margin-bottom: 8px;
}
.about__stat-label {
  font-size: 0.9rem;
  color: var(--clr-primary-d);
}

/* ── Waitlist ────────────────────────────────── */
.waitlist {
  padding: 80px 0;
}
.waitlist__card {
  background: linear-gradient(135deg, #0f766e 0%, #065f51 100%);
  border-radius: var(--radius);
  padding: 64px;
  text-align: center;
}
.waitlist__card .section-label { color: rgba(255,255,255,0.7); }
.waitlist__form {
  max-width: 520px;
  margin: 0 auto;
}
.waitlist__fields {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}
.waitlist__input {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 0.95rem;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}
.waitlist__input::placeholder { color: rgba(255,255,255,0.5); }
.waitlist__input:focus {
  border-color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.15);
}
.waitlist__card .btn--primary {
  background: #fff;
  color: var(--clr-primary);
}
.waitlist__card .btn--primary:hover {
  background: var(--clr-primary-l);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

/* ── Contact ─────────────────────────────────── */
.contact {
  padding: 60px 0;
  background: #fff;
  border-top: 1px solid var(--clr-border);
}
.contact__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.contact h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.contact p {
  color: var(--clr-text-muted);
  margin-bottom: 16px;
}
.contact__email {
  font-size: 1.1rem;
  color: var(--clr-primary);
  text-decoration: none;
  font-weight: 600;
}
.contact__email:hover { text-decoration: underline; }

/* ── Footer ──────────────────────────────────── */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--clr-border);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer__brand { display: flex; align-items: center; gap: 8px; }
.footer__copy { font-size: 0.85rem; color: var(--clr-text-muted); }

/* ── Mobile ──────────────────────────────────── */
@media (max-width: 768px) {
  .header { background: rgba(250,250,249,0.98); }
  .nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--clr-border);
    padding: 8px 24px;
  }
  .nav.open { display: flex; }
  .nav a {
    padding: 14px 0;
    width: 100%;
    border-bottom: 1px solid var(--clr-border);
  }
  .nav__cta { margin: 12px 0; text-align: center; }
  .nav-toggle { display: flex; }

  .hero { padding: 100px 0 48px; }
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { display: none; }

  .metrics__grid { grid-template-columns: repeat(2, 1fr); }
  .features__grid { grid-template-columns: 1fr; }
  .about__inner { grid-template-columns: 1fr; gap: 32px; }
  .waitlist__card { padding: 40px 24px; }
  .footer__inner { flex-direction: column; gap: 12px; }
}