/* ═══════════════════════════════════════════════════════════
   Lexote landing — saf CSS, koyu premium tema
   Renk: bg #0a0a0a · altın #c9a84c · beyaz · gri #888 · kart #111 · border #1e1e1e
   ═══════════════════════════════════════════════════════════ */
:root {
  --bg: #0a0a0a;
  --gold: #c9a84c;
  --gold-soft: #dcc27a;
  --white: #ffffff;
  --muted: #888888;
  --card: #111111;
  --border: #1e1e1e;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --maxw: 1100px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--gold); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--gold-soft); }
img, svg { display: block; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ── Navbar ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .3s ease, border-color .3s ease, backdrop-filter .3s ease;
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand-name { font-family: var(--serif); font-size: 20px; font-weight: 700; letter-spacing: 2px; color: var(--white); text-transform: uppercase; }
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a { color: var(--muted); font-size: 14.5px; }
.nav-links a:hover { color: var(--white); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--white); margin: 5px 0; transition: transform .3s ease, opacity .3s ease; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 24px; border-radius: 14px; font-size: 15px; font-weight: 600;
  border: 1.5px solid transparent; cursor: pointer;
  transition: transform .18s ease, box-shadow .25s ease, background .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn svg { flex-shrink: 0; }
.btn .sub { display: block; font-size: 10px; font-weight: 500; opacity: .75; line-height: 1; margin-bottom: 2px; }
.btn .main { display: block; font-size: 15px; font-weight: 700; line-height: 1.15; }
.btn-primary { background: var(--gold); color: #0a0a0a; }
.btn-primary:hover { background: var(--gold-soft); color: #0a0a0a; box-shadow: 0 8px 30px rgba(201, 168, 76, 0.35); }
.btn-outline { background: transparent; color: var(--white); border-color: var(--border); }
.btn-outline:hover { border-color: var(--gold); box-shadow: 0 8px 30px rgba(201, 168, 76, 0.15); }
.btn-lg { padding: 17px 28px; }

/* ── Hero ── */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; text-align: center; padding: 96px 0 40px; }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero .container { position: relative; z-index: 1; }
.badge {
  display: inline-block; padding: 7px 16px; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(201,168,76,0.06);
  color: var(--gold); font-size: 13px; letter-spacing: .5px; margin-bottom: 28px;
}
.hero h1 {
  font-family: var(--serif); font-weight: 700; color: var(--white);
  font-size: clamp(38px, 7vw, 68px); line-height: 1.1; letter-spacing: .5px;
  margin-bottom: 20px;
}
.hero .subtitle {
  font-size: clamp(16px, 2.4vw, 20px); color: var(--muted);
  max-width: 560px; margin: 0 auto 40px;
}
.cta-row { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Scroll-down arrow */
.scroll-down {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  z-index: 1; color: var(--muted); animation: bounce 1.8s infinite;
}
@keyframes bounce { 0%,100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 10px); } }

/* ── Sections ── */
.section { padding: 96px 0; }
.section-head { text-align: center; margin-bottom: 56px; }
.section-head h2 { font-family: var(--serif); font-size: clamp(28px, 4.5vw, 40px); color: var(--white); margin-bottom: 12px; }
.section-head p { color: var(--muted); font-size: 16px; }
.section-alt { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* ── Features grid ── */
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.feature-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 30px;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.feature-card:hover { transform: translateY(-6px); border-color: var(--gold); box-shadow: 0 16px 40px rgba(0,0,0,0.4); }
.feature-icon {
  width: 54px; height: 54px; border-radius: 15px; background: rgba(201,168,76,0.1);
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
}
.feature-card h3 { font-size: 19px; color: var(--white); margin-bottom: 9px; }
.feature-card p { color: var(--muted); font-size: 14.5px; }

/* ── How it works (3 steps) ── */
.steps { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.steps::before {
  content: ''; position: absolute; top: 34px; left: 12%; right: 12%; height: 2px;
  background: var(--border); z-index: 0;
}
.steps::after {
  content: ''; position: absolute; top: 34px; left: 12%; height: 2px; width: 0;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft)); z-index: 1;
  transition: width 1.2s ease;
}
.steps.animate::after { width: 76%; }
.step { position: relative; z-index: 2; text-align: center; }
.step-num {
  width: 68px; height: 68px; border-radius: 50%; margin: 0 auto 20px;
  background: var(--card); border: 2px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 26px; font-weight: 700; color: var(--gold);
}
.step h3 { font-size: 18px; color: var(--white); margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 14.5px; max-width: 260px; margin: 0 auto; }

/* ── Download CTA ── */
.cta {
  text-align: center; border-radius: 28px; padding: 72px 32px; margin: 0 24px;
  background:
    radial-gradient(circle at 50% 0%, rgba(201,168,76,0.16), transparent 65%),
    linear-gradient(180deg, #131007, #0a0a0a);
  border: 1px solid var(--border);
}
.cta h2 { font-family: var(--serif); font-size: clamp(30px, 5vw, 46px); color: var(--white); margin-bottom: 14px; }
.cta p { color: var(--muted); font-size: 17px; margin-bottom: 34px; }

/* ── Footer ── */
.footer { border-top: 1px solid var(--border); padding: 56px 0 40px; }
.footer-grid { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.footer-brand { max-width: 300px; }
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand p { color: var(--muted); font-size: 14px; }
.footer-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--white); margin-bottom: 14px; }
.footer-col a, .footer-col p { display: block; color: var(--muted); font-size: 14px; margin-bottom: 10px; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid var(--border); margin-top: 40px; padding-top: 24px; color: #555; font-size: 13px; text-align: center; }

/* ── Legal doc pages (privacy / terms) ── */
.doc-hero { padding: 130px 0 50px; text-align: center; border-bottom: 1px solid var(--border); }
.doc-hero h1 { font-family: var(--serif); font-size: clamp(30px, 5vw, 46px); color: var(--white); margin-bottom: 10px; }
.doc-hero .updated { color: var(--muted); font-size: 14px; }
.doc { padding: 56px 0 80px; }
.doc-body { max-width: 780px; margin: 0 auto; }
.doc-body h2 { font-family: var(--serif); font-size: 23px; color: var(--white); margin: 36px 0 12px; }
.doc-body h2:first-child { margin-top: 0; }
.doc-body p { color: #d0d0d0; font-size: 15.5px; margin-bottom: 14px; }
.doc-body ul { padding-left: 22px; margin-bottom: 14px; }
.doc-body li { color: #d0d0d0; font-size: 15.5px; margin-bottom: 8px; }
.doc-body strong { color: var(--white); }
.doc-lead { color: var(--muted) !important; font-size: 16px !important; margin-bottom: 28px !important; }

/* ── Scroll reveal ── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ── Responsive ── */
@media (max-width: 820px) {
  .feature-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 40px; }
  .steps::before, .steps::after { display: none; }
  .nav-links {
    position: fixed; top: 68px; left: 0; right: 0;
    flex-direction: column; gap: 0; align-items: stretch;
    background: rgba(10,10,10,0.97); backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    max-height: 0; overflow: hidden; transition: max-height .3s ease;
  }
  .nav-links.open { max-height: 320px; }
  .nav-links a { padding: 16px 24px; border-top: 1px solid var(--border); font-size: 16px; }
  .nav-toggle { display: block; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .cta-row { flex-direction: column; align-items: stretch; }
  .cta-row .btn { justify-content: center; }
  .footer-grid { flex-direction: column; gap: 28px; }
}