/* =============================================
   Shadowline Ventures — Global Styles
   ============================================= */

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

:root {
  --bg:         #0a0e1a;
  --bg-card:    #111827;
  --bg-warm:    #0f1420;
  --border:     #1e2d40;
  --accent:     #00c6ff;
  --accent-dim: rgba(0, 198, 255, 0.12);
  --accent-bdr: rgba(0, 198, 255, 0.2);
  --text:       #ffffff;
  --text-sec:   #9aa3b8;
  --text-dim:   #6b7a99;
  --font:       -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ── */
.container {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px;
}
.container--wide { max-width: 1000px; }

section { padding: 80px 0; }
section + section { border-top: 1px solid var(--border); }

/* ── Nav ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-size: 14px;
  color: var(--text-sec);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: opacity 0.2s, transform 0.15s;
}
.btn:hover { opacity: 0.85; transform: translateY(-1px); }
.btn--primary { background: var(--accent); color: #000000; font-weight: 800; }
.btn--ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-sec);
}
.btn--lg { padding: 16px 32px; font-size: 16px; border-radius: 12px; }

/* ── Labels ── */
.label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}

/* ── Typography ── */
h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
h2 {
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
p { color: var(--text-sec); line-height: 1.75; margin-bottom: 16px; }
p:last-child { margin-bottom: 0; }

/* ── Hero ── */
.hero {
  padding: 160px 0 100px;
  text-align: center;
  border-top: none !important;
}
.hero h1 { max-width: 720px; margin: 0 auto 20px; }
.hero .subhead {
  font-size: clamp(16px, 2.5vw, 20px);
  color: var(--text-sec);
  max-width: 580px;
  margin: 0 auto 48px;
  line-height: 1.6;
}

/* ── Story sections ── */
.story { background: var(--bg-warm); }
.story-inner { max-width: 640px; }
.story-inner h2 { margin-bottom: 28px; }
.story-inner p { font-size: 17px; line-height: 1.8; }

.section-text { max-width: 640px; }
.section-text h2 { margin-bottom: 28px; }
.section-text p { font-size: 17px; line-height: 1.8; }

/* ── Highlight block ── */
.highlight-block {
  margin: 32px 0;
  padding: 24px 28px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-bdr);
  border-radius: 14px;
}
.highlight-block p {
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0;
  line-height: 1.65;
}

/* ── CTA Section ── */
.cta-section { text-align: center; }
.cta-section h2 { max-width: 480px; margin: 0 auto 16px; }
.cta-section .cta-sub {
  max-width: 520px;
  margin: 0 auto 36px;
  font-size: 17px;
  line-height: 1.75;
}
.cta-email {
  display: inline-block;
  margin-top: 20px;
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.01em;
  border-bottom: 1px solid var(--accent-bdr);
  padding-bottom: 2px;
  transition: border-color 0.2s, opacity 0.2s;
}
.cta-email:hover { opacity: 0.8; border-color: var(--accent); }
.cta-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-dim);
}

/* ── Footer ── */
footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}
footer p { font-size: 13px; color: var(--text-dim); margin: 0; }
footer a { color: var(--text-dim); text-decoration: none; }
footer a:hover { color: var(--text-sec); }

/* ── Responsive ── */
@media (max-width: 600px) {
  section { padding: 60px 0; }
  .hero { padding: 120px 0 72px; }
  .nav-links { display: none; }
}

@media (max-width: 640px) {
  .nav-hamburger { display: flex; }
  .nav-links { display: none; }
}