/* Oroboro Boat Manager — Landing Page */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg:        #FFFFFF;
  --bg-alt:    #F5F5F7;
  --bg-dark:   #1D1D1F;
  --text:      #1D1D1F;
  --muted:     #6E6E73;
  --border:    #D2D2D7;
  --accent:    #0071E3;
  --accent-h:  #0077ED;
  --navy:      #0B1426;
  --green:     #34C759;
  --radius:    14px;
  --shadow-lg: 0 24px 80px rgba(0,0,0,0.22);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

/* ── Nav ──────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 52px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.nav-anchor { color: var(--muted); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.85rem;
  color: var(--muted);
  transition: color 0.2s;
}
.nav-link:hover { color: var(--text); }

.nav-cta {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  transition: color 0.2s;
}
.nav-cta:hover { color: var(--accent-h); }

/* ── Buttons ──────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 12px 22px;
  border-radius: 100px;
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: var(--accent-h); transform: translateY(-1px); }
.btn-primary.large { font-size: 1rem; padding: 16px 32px; }

.btn-ghost {
  font-size: 0.9rem;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 1px;
  transition: color 0.2s, border-color 0.2s;
}
.btn-ghost:hover { color: var(--text); border-color: var(--text); }

/* ── Shared section ───────────────────────────── */
.section { padding: 6rem 0; }

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.65rem;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.12;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 2.5rem;
}

/* ── Phone frame ──────────────────────────────── */
.phone-frame {
  background: #1C1C1E;
  border-radius: 48px;
  padding: 11px;
  box-shadow: var(--shadow-lg), inset 0 0 0 1px rgba(255,255,255,0.07);
  max-width: 272px;
  width: 100%;
  flex-shrink: 0;
}

.phone-frame img {
  border-radius: 38px;
  width: 100%;
  height: auto;
  display: block;
}

/* ── Hero ─────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 5rem;
  align-items: center;
  max-width: 1160px;
  margin: 0 auto;
  padding: 7rem 2rem 6rem;
}

.hero-inner { max-width: 520px; }

.hero-title {
  font-size: clamp(2.6rem, 4.5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.trust-badges {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.trust-badge {
  font-size: 0.8rem;
  color: var(--muted);
}

.trust-divider {
  color: var(--border);
}

/* ── Pain Points ──────────────────────────────── */
.pain { background: var(--bg-alt); }

.pain-list {
  margin-top: 3rem;
}

.pain-item {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  max-width: 760px;
}
.pain-item:first-child { border-top: 1px solid var(--border); }

.pain-statement {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 0.45rem;
}

.pain-desc {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ── Breakthrough ─────────────────────────────── */
.breakthrough { background: var(--bg); }

.breakthrough-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 5rem;
  align-items: center;
}

.breakthrough-text { max-width: 520px; }

.breakthrough-statement {
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.018em;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.breakthrough-sub {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.75;
}

/* ── Features ─────────────────────────────────── */
.features { background: var(--bg-alt); }

.features-stack {
  display: flex;
  flex-direction: column;
  gap: 6rem;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 5rem;
  align-items: center;
}

.feature-row.reverse {
  grid-template-columns: auto 1fr;
}
.feature-row.reverse .feature-text { order: 2; }
.feature-row.reverse .feature-visual { order: 1; }

.feature-text { max-width: 480px; }
.feature-row.reverse .feature-text { margin-left: auto; }

.feature-title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.18;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.feature-text p {
  font-size: 0.97rem;
  color: var(--muted);
  line-height: 1.75;
}

.feature-visual {
  display: flex;
  justify-content: center;
}

/* ── Customization ────────────────────────────── */
.customization { background: var(--bg); }

.customization-inner {
  text-align: center;
}

.customization-inner .section-subtitle {
  margin: 0 auto 2.5rem;
}

.tab-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
}

.tab-pill {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.tab-pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.tab-pill.faded {
  opacity: 0.28;
}

/* ── Social Proof ─────────────────────────────── */
.proof { background: var(--bg-alt); }

.proof-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 5rem;
  align-items: start;
  margin-top: 3rem;
}

.proof-quote blockquote {
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text);
  font-style: italic;
  margin-bottom: 1.5rem;
}

.proof-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.proof-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.proof-name { font-size: 0.9rem; font-weight: 600; }
.proof-role { font-size: 0.78rem; color: var(--muted); margin-top: 2px; }

.proof-stats {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  min-width: 150px;
}

.stat-num  { font-size: 2rem; font-weight: 700; letter-spacing: -0.03em; color: var(--text); }
.stat-label { font-size: 0.82rem; color: var(--muted); margin-top: 2px; }

/* ── CTA ──────────────────────────────────────── */
.cta-section { background: var(--navy); }

.cta-inner {
  max-width: 640px;
  margin: 0 auto;
  padding: 7rem 2rem;
  text-align: center;
}

.cta-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: #fff;
  margin-bottom: 1rem;
  line-height: 1.15;
}

.cta-subtitle {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 2.5rem;
  line-height: 1.65;
}

.cta-note {
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.3);
}

/* ── Footer ───────────────────────────────────── */
.footer {
  background: var(--bg-dark);
  padding: 3.5rem 2rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #F2F2F7;
  font-weight: 600;
  font-size: 0.9rem;
}

.footer-anchor { color: #8E8E93; }

.footer-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  font-size: 0.85rem;
  color: #8E8E93;
  transition: color 0.2s;
}
.footer-links a:hover { color: #F2F2F7; }

.footer-copy {
  font-size: 0.78rem;
  color: #636366;
}
.footer-copy a { color: #8E8E93; }
.footer-copy a:hover { color: #F2F2F7; }

/* ── Responsive ───────────────────────────────── */
@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 5rem 1.5rem 4rem;
    gap: 3rem;
  }
  .hero-inner { max-width: 100%; }
  .hero-visual { display: flex; justify-content: center; }

  .breakthrough-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .breakthrough-text { max-width: 100%; }
  .breakthrough-visual { display: flex; justify-content: center; }

  .feature-row,
  .feature-row.reverse {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .feature-row.reverse .feature-text { order: 2; }
  .feature-row.reverse .feature-visual { order: 1; }
  .feature-text,
  .feature-row.reverse .feature-text { max-width: 100%; margin-left: 0; }
  .feature-visual { justify-content: center; }

  .proof-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .proof-stats { flex-direction: row; flex-wrap: wrap; gap: 1.5rem 2.5rem; }
}

@media (max-width: 600px) {
  .section { padding: 4rem 0; }
  .nav { padding: 0 1rem; }
  .section-inner { padding: 0 1.25rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .features-stack { gap: 4rem; }
  .trust-badges { gap: 0.4rem; }
  .tab-pills { gap: 0.4rem; }
  .proof-stats { flex-direction: column; gap: 1.25rem; }
}
