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

:root {
  --navy:   #0B1F3A;
  --teal:   #00A6A6;
  --green:  #2EAD4B;
  --teal-dark: #008585;
  --green-dark: #228C3A;
  --white:  #FFFFFF;
  --grey-50:  #F8FAFC;
  --grey-100: #F1F5F9;
  --grey-300: #CBD5E1;
  --grey-500: #64748B;
  --grey-700: #334155;

  --font: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --radius-sm: 6px;
  --radius:    12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow:    0 4px 16px rgba(11,31,58,.12);
  --shadow-lg: 0 12px 40px rgba(11,31,58,.18);

  --transition: 0.18s ease;
}

html { scroll-behavior: smooth; }

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

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

/* ── Accessibility ──────────────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── Buttons ────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition),
              color var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}
.btn-primary:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--grey-300);
}
.btn-outline:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.btn-sm  { padding: 8px 16px; font-size: .875rem; }
.btn-lg  { padding: 14px 32px; font-size: 1.05rem; }

.btn-icon { width: 18px; height: 18px; flex-shrink: 0; }

.btn-spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Logo ───────────────────────────────────────────────────────── */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  text-decoration: none;
  color: var(--navy);
}

.logo-img {
  display: block;
  max-width: 220px;
  width: 100%;
  height: auto;
}
.logo-sm .logo-img { max-width: 160px; }

/* ── 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(--grey-100);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a:not(.btn) {
  font-weight: 500;
  color: var(--grey-700);
  text-decoration: none;
  transition: color var(--transition);
}
.site-nav a:not(.btn):hover { color: var(--teal); }

/* ── Hero ───────────────────────────────────────────────────────── */
.hero {
  padding: 80px 0 100px;
  background: linear-gradient(160deg, var(--navy) 0%, #112847 60%, #0e3a5e 100%);
  overflow: hidden;
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-content {
  color: var(--white);
  max-width: 680px;
}

.badge {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(0,166,166,.2);
  border: 1px solid rgba(0,166,166,.4);
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--teal);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.highlight { color: var(--teal); }

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,.75);
  max-width: 520px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

/* ── Phone mockup ───────────────────────────────────────────────── */
.hero-visual {
  display: flex;
  justify-content: center;
}

.phone-mockup {
  width: 280px;
  background: #1a3050;
  border-radius: 32px;
  padding: 24px 20px;
  box-shadow: var(--shadow-lg), 0 0 0 6px rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
}

.phone-screen { display: flex; flex-direction: column; gap: 10px; }

.mock-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: 4px;
}

.mock-dot { width: 10px; height: 10px; border-radius: 50%; }
.mock-dot.teal { background: var(--teal); }

.mock-label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--white);
  flex: 1;
}

.mock-badge {
  font-size: .7rem;
  padding: 2px 8px;
  background: rgba(0,166,166,.25);
  color: var(--teal);
  border-radius: 999px;
  font-weight: 600;
}

.mock-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .78rem;
  color: rgba(255,255,255,.8);
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.04);
}

.mock-status {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.mock-status.done { background: var(--green); }
.mock-status.warn { background: #F59E0B; }
.mock-status.open { background: #EF4444; }

.mock-ai {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 6px;
  padding: 10px;
  background: rgba(0,166,166,.12);
  border: 1px solid rgba(0,166,166,.25);
  border-radius: var(--radius-sm);
  font-size: .75rem;
  color: var(--teal);
  line-height: 1.4;
}

.ai-icon { width: 14px; height: 14px; flex-shrink: 0; margin-top: 1px; }

/* ── Features ───────────────────────────────────────────────────── */
.features {
  padding: 100px 0;
  background: var(--grey-50);
}

.features h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  text-align: center;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-sub {
  text-align: center;
  color: var(--grey-500);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto 60px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px 22px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--grey-100);
  transition: box-shadow var(--transition), transform var(--transition),
              border-color var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  border-color: var(--navy);
}

.feature-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, rgba(0,166,166,.12), rgba(46,173,75,.12));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.5rem;
  line-height: 1;
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: .9rem;
  color: var(--grey-500);
  line-height: 1.65;
}

/* ── Waitlist ───────────────────────────────────────────────────── */
.waitlist {
  padding: 100px 0;
  background: linear-gradient(160deg, var(--navy) 0%, #112847 100%);
}

.waitlist-card {
  max-width: 580px;
  margin: 0 auto;
  text-align: center;
  color: var(--white);
}

.waitlist-card h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.waitlist-card > p {
  color: rgba(255,255,255,.7);
  font-size: 1rem;
  margin-bottom: 36px;
  line-height: 1.7;
}

.signup-form { width: 100%; }

.form-row {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}

.form-row input[type="email"] {
  flex: 1;
  padding: 13px 18px;
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.08);
  color: var(--white);
  font-family: var(--font);
  font-size: 1rem;
  transition: border-color var(--transition), background var(--transition);
  min-width: 0;
}
.form-row input[type="email"]::placeholder { color: rgba(255,255,255,.4); }
.form-row input[type="email"]:focus {
  outline: none;
  border-color: var(--teal);
  background: rgba(255,255,255,.12);
}

.form-message {
  font-size: .9rem;
  min-height: 1.4em;
  transition: color var(--transition);
}
.form-message.success { color: var(--green); }
.form-message.error   { color: #FC8181; }

.privacy-note {
  margin-top: 16px;
  font-size: .78rem;
  color: rgba(255,255,255,.4);
}

/* ── Footer ─────────────────────────────────────────────────────── */
.site-footer {
  background: #071325;
  padding: 36px 0;
  border-top: 1px solid rgba(255,255,255,.06);
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: .85rem;
  color: rgba(255,255,255,.35);
}

.footer-contact a {
  font-size: .85rem;
  color: var(--teal);
  text-decoration: none;
  transition: color var(--transition);
}
.footer-contact a:hover { color: #fff; }



/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .form-row { flex-direction: column; }
  .site-footer .container { flex-direction: column; text-align: center; }
  .site-nav a:not(.btn) { display: none; }
}

@media (max-width: 480px) {
  .hero { padding: 60px 0 72px; }
  .features, .waitlist { padding: 72px 0; }
  .feature-grid { grid-template-columns: 1fr !important; }
}