/* Keelcraft Landing — maritime instrument panel aesthetic */

:root {
  --bg-deep: #03111d;
  --bg-mid: #081e2e;
  --bg-elevated: #0d2d42;
  --surface: #12384e;
  --surface-border: #1c5570;
  --accent-teal: #2dd4bf;
  --accent-teal-bright: #5eead4;
  --accent-ocean: #38bdf8;
  --accent-seafoam: #67e8f9;
  --accent-ice: #7dd3fc;
  --accent-amber: #f0b429;
  --text-primary: #f0f9ff;
  --text-secondary: #94b8d0;
  --text-tertiary: #5b8ba5;
  --font-display: "Barlow Semi Condensed", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --header-h: 72px;
  --container: 1120px;
  --glow-teal: rgba(45, 212, 191, 0.25);
  --glow-ocean: rgba(56, 189, 248, 0.18);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-primary);
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-mid) 40%, #071e30 100%);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-teal-bright); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-seafoam); }

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

/* Aurora background orbs */
.aurora {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.orb-teal {
  width: 55vw;
  height: 55vw;
  max-width: 520px;
  max-height: 520px;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.22) 0%, transparent 70%);
  top: -8%;
  left: -5%;
  animation: drift 22s ease-in-out infinite;
}

.orb-ocean {
  width: 50vw;
  height: 50vw;
  max-width: 480px;
  max-height: 480px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.18) 0%, transparent 70%);
  top: 35%;
  right: -10%;
  animation: drift 26s ease-in-out infinite reverse;
}

.orb-seafoam {
  width: 40vw;
  height: 40vw;
  max-width: 380px;
  max-height: 380px;
  background: radial-gradient(circle, rgba(103, 232, 249, 0.1) 0%, transparent 70%);
  bottom: 5%;
  left: 30%;
  animation: drift 20s ease-in-out infinite 3s;
}

@keyframes drift {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(24px, -18px); }
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(3, 17, 29, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(28, 85, 112, 0.45);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.logo-mark {
  width: 36px;
  height: 36px;
  color: var(--accent-teal);
  filter: drop-shadow(0 0 10px var(--glow-teal));
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.site-nav a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.site-nav a:hover { color: var(--text-primary); }

.nav-cta {
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent-teal-bright), var(--accent-teal), #14b8a6);
  color: var(--bg-deep) !important;
  font-weight: 600 !important;
}

.nav-cta:hover { opacity: 0.92; color: var(--bg-deep) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* Hero */
.hero {
  position: relative;
  z-index: 1;
  padding: calc(var(--header-h) + 3.5rem) 0 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.eyebrow, .section-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-teal);
  margin-bottom: 1rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
}

.gradient-text {
  background: linear-gradient(90deg, var(--accent-teal-bright), var(--accent-teal), var(--accent-ocean));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 34rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent-teal-bright), var(--accent-teal), #14b8a6);
  color: var(--bg-deep);
  box-shadow: 0 4px 24px var(--glow-teal);
}

.btn-primary:hover { color: var(--bg-deep); box-shadow: 0 6px 32px rgba(45, 212, 191, 0.4); }

.btn-ghost {
  border: 1px solid var(--surface-border);
  color: var(--text-primary);
  background: rgba(18, 56, 78, 0.4);
}

.btn-ghost:hover { border-color: var(--accent-teal); color: var(--accent-teal-bright); }

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

.hero-stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
}

.hero-stats li {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.hero-stats strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent-teal-bright);
  line-height: 1.2;
}

/* Sonar visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 380px;
}

.sonar-display {
  position: relative;
  width: 280px;
  height: 280px;
}

.sonar-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(45, 212, 191, 0.25);
}

.ring-1 { inset: 0; }
.ring-2 { inset: 35px; border-color: rgba(45, 212, 191, 0.35); }
.ring-3 { inset: 70px; border-color: rgba(56, 189, 248, 0.3); }
.ring-4 { inset: 105px; border-color: rgba(45, 212, 191, 0.45); }

.sonar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(45, 212, 191, 0.15) 40deg, transparent 80deg);
  animation: sweep 4s linear infinite;
}

@keyframes sweep {
  to { transform: rotate(360deg); }
}

.sonar-core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-teal-bright), var(--accent-teal));
  box-shadow: 0 0 20px var(--accent-teal), 0 0 40px var(--glow-teal);
}

.wave-line {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 40px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.35), rgba(45, 212, 191, 0.25), transparent);
  border-radius: 50%;
  filter: blur(1px);
  opacity: 0.7;
}

.hero-cards {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.mini-card {
  position: absolute;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(145deg, rgba(15, 48, 72, 0.92), rgba(10, 36, 56, 0.96));
  border: 1px solid rgba(45, 212, 191, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(8px);
}

.mini-card:nth-child(1) { top: 8%; right: -5%; }
.mini-card:nth-child(2) { bottom: 18%; left: -8%; }
.mini-card:nth-child(3) { bottom: 5%; right: 5%; }

.mini-card.accent-amber { border-color: rgba(240, 180, 41, 0.4); }
.mini-card.accent-ocean { border-color: rgba(56, 189, 248, 0.4); }

.mini-label {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
}

.mini-value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent-teal-bright);
}

.accent-amber .mini-value { color: var(--accent-amber); }
.accent-ocean .mini-value { color: var(--accent-ocean); }

/* Sections */
section {
  position: relative;
  z-index: 1;
  padding: 5rem 0;
}

section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1rem;
  max-width: 28ch;
}

.section-lead {
  color: var(--text-secondary);
  max-width: 52ch;
  margin-bottom: 2.5rem;
}

/* Features */
.features {
  background: linear-gradient(180deg, transparent, rgba(8, 30, 46, 0.6) 20%, rgba(8, 30, 46, 0.6) 80%, transparent);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature-card {
  position: relative;
  padding: 1.75rem;
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(15, 48, 72, 0.55), rgba(10, 36, 56, 0.75));
  border: 1px solid rgba(28, 85, 112, 0.65);
  box-shadow: inset 0 1px 0 rgba(94, 234, 212, 0.06);
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  border-radius: var(--radius) 0 0 var(--radius);
  background: linear-gradient(180deg, var(--accent-teal), rgba(45, 212, 191, 0.2));
  opacity: 0.7;
}

.feature-card:hover {
  border-color: rgba(45, 212, 191, 0.45);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), 0 0 24px var(--glow-teal);
}

.feature-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-ocean);
  letter-spacing: 0.1em;
}

.feature-icon {
  font-size: 1.5rem;
  margin: 0.75rem 0;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-copy p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.disclaimer {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(240, 180, 41, 0.25);
  background: rgba(240, 180, 41, 0.06);
  font-size: 0.88rem !important;
  color: var(--text-secondary) !important;
}

.disclaimer strong { color: var(--accent-amber); }

.about-card {
  padding: 1.75rem;
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(15, 48, 72, 0.7), rgba(10, 36, 56, 0.85));
  border: 1px solid rgba(45, 212, 191, 0.25);
}

.about-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--accent-teal-bright);
}

.about-card ul {
  list-style: none;
}

.about-card li {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(28, 85, 112, 0.4);
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.about-card li:last-child { border-bottom: none; }

.about-card li::before {
  content: "›";
  color: var(--accent-teal);
  margin-right: 0.5rem;
  font-weight: 700;
}

/* Privacy */
.privacy {
  background: linear-gradient(180deg, transparent, rgba(3, 17, 29, 0.5) 30%, transparent);
}

.effective-date {
  color: var(--text-tertiary);
  font-size: 0.88rem;
  margin-bottom: 2rem;
}

.policy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.policy-card {
  padding: 1.5rem;
  border-radius: var(--radius);
  background: rgba(13, 45, 66, 0.5);
  border: 1px solid rgba(28, 85, 112, 0.55);
}

.policy-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-ice);
  margin-bottom: 0.65rem;
}

.policy-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-copy p {
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.response-time {
  color: var(--text-tertiary) !important;
  font-size: 0.9rem;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-card {
  display: block;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(15, 48, 72, 0.6), rgba(10, 36, 56, 0.8));
  border: 1px solid rgba(28, 85, 112, 0.6);
  transition: border-color 0.2s, transform 0.2s;
}

.contact-card:hover {
  border-color: var(--accent-teal);
  transform: translateX(4px);
  color: inherit;
}

.contact-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  margin-bottom: 0.35rem;
}

.contact-value {
  font-weight: 600;
  color: var(--text-primary);
}

/* Footer */
.site-footer {
  position: relative;
  z-index: 1;
  padding: 2.5rem 0;
  border-top: 1px solid rgba(28, 85, 112, 0.45);
  background: rgba(3, 17, 29, 0.6);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent-teal);
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
}

.footer-nav a {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Mobile */
@media (max-width: 960px) {
  .hero-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-visual {
    order: -1;
    min-height: 300px;
  }

  .policy-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem;
    background: rgba(3, 17, 29, 0.97);
    border-bottom: 1px solid var(--surface-border);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s, opacity 0.3s, visibility 0.3s;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .site-nav a {
    padding: 0.85rem 0.5rem;
    border-bottom: 1px solid rgba(28, 85, 112, 0.35);
  }

  .nav-cta {
    text-align: center;
    margin-top: 0.5rem;
  }

  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    gap: 1rem 1.5rem;
  }

  .mini-card:nth-child(1) { right: 0; }
  .mini-card:nth-child(2) { left: 0; }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-nav {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .orb, .sonar-sweep { animation: none; }
}