/* ============ Tokens ============ */
:root {
  --bg: #0a0d16;
  --bg-soft: #0e1220;
  --surface: #141a2c;
  --surface-2: #1b2338;
  --border: #262f4a;
  --border-soft: #1e2740;
  --text: #f2f4fb;
  --text-dim: #a7afc9;
  --text-faint: #6d7593;
  --gold: #f7b955;
  --gold-soft: #ffd98e;
  --blue: #5ec8f2;
  --coral: #ff6b6b;
  --green: #4ade80;

  --gradient-gold: linear-gradient(135deg, #ffd98e 0%, #f7b955 50%, #e8963f 100%);
  --shadow-lg: 0 30px 60px -20px rgba(0, 0, 0, 0.6);
  --shadow-md: 0 16px 32px -12px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 0 1px rgba(247, 185, 85, 0.15), 0 20px 50px -15px rgba(247, 185, 85, 0.25);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --container: 1200px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: 24px;
}

section { position: relative; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin: 0 0 14px;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--gradient-gold);
  border-radius: 2px;
}

h1, h2, h3, h4 {
  font-family: inherit;
  margin: 0;
  letter-spacing: -0.02em;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--text);
}

.section-head p {
  margin-top: 14px;
  color: var(--text-dim);
  font-size: 17px;
}

/* ============ Background texture ============ */
.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(700px 500px at 12% -5%, rgba(247, 185, 85, 0.16), transparent 60%),
    radial-gradient(800px 600px at 100% 10%, rgba(94, 200, 242, 0.12), transparent 55%),
    radial-gradient(900px 700px at 50% 120%, rgba(247, 185, 85, 0.08), transparent 60%),
    var(--bg);
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-gold);
  color: #1a1305;
  box-shadow: 0 12px 30px -10px rgba(247, 185, 85, 0.55);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 36px -10px rgba(247, 185, 85, 0.65); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border-color: var(--border);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover { border-color: rgba(247, 185, 85, 0.5); transform: translateY(-2px); }

.btn-sm { padding: 10px 18px; font-size: 13px; }

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 13, 22, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 9px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.main-nav a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-dim);
  transition: color 0.15s ease;
}

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

.header-cta { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 10px 24px 20px;
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg-soft);
}

.mobile-nav a {
  padding: 12px 4px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border-soft);
}

.mobile-nav.open { display: flex; }

/* ============ Hero ============ */
.hero {
  padding: 84px 0 60px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
}

.hero-copy h1 {
  font-size: clamp(36px, 5.2vw, 58px);
  font-weight: 800;
  line-height: 1.06;
}

.hero-copy h1 .accent {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-copy p.lead {
  margin: 22px 0 0;
  font-size: 18px;
  color: var(--text-dim);
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-webapp {
  margin-top: 18px;
  font-size: 14px;
  color: var(--text-faint);
}

.hero-webapp a {
  color: var(--gold);
  font-weight: 600;
  text-decoration: none;
}

.hero-webapp a:hover { text-decoration: underline; }

.platform-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
}

.pill svg { width: 15px; height: 15px; flex-shrink: 0; }

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 26px;
  font-size: 13px;
  color: var(--text-faint);
}

.trust-row span { display: inline-flex; align-items: center; gap: 6px; }
.trust-row span::before { content: "✓"; color: var(--green); font-weight: 700; }

/* Hero visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 10px;
}

.phone-frame {
  position: relative;
  width: min(300px, 78vw);
  border-radius: 46px;
  padding: 14px;
  background: linear-gradient(160deg, #232c46, #11162650);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  z-index: 2;
}

.phone-frame::before {
  content: "";
  position: absolute;
  top: 26px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 22px;
  background: #05070c;
  border-radius: 20px;
  z-index: 3;
}

.phone-frame img {
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: block;
  width: 100%;
}

.float-card {
  position: absolute;
  background: rgba(20, 26, 44, 0.85);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 14px 16px;
  z-index: 4;
  animation: float 5s ease-in-out infinite;
}

.float-card.ticker {
  top: -6px;
  right: -18px;
  min-width: 190px;
}

.float-card.sources {
  bottom: 60px;
  left: -34px;
  animation-delay: 1.2s;
}

.ticker .tk-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  gap: 6px;
}

.ticker .tk-label .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.18);
  animation: pulse 1.8s ease-in-out infinite;
}

.ticker .tk-value {
  font-size: 21px;
  font-weight: 700;
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}

.ticker .tk-sub {
  font-size: 12px;
  color: var(--text-faint);
  margin-top: 3px;
  font-variant-numeric: tabular-nums;
}

.float-card.sources { display: flex; align-items: center; gap: 10px; padding: 12px 16px; }
.float-card.sources .ic {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--gradient-gold);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}
.float-card.sources .tx { font-size: 12.5px; font-weight: 600; color: var(--text); line-height: 1.3; }
.float-card.sources .tx small { display: block; font-weight: 400; color: var(--text-faint); }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.hero-blob {
  position: absolute;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(247, 185, 85, 0.22), transparent 70%);
  filter: blur(10px);
  top: -60px;
  right: -60px;
  z-index: 0;
  pointer-events: none;
}

/* ============ Logo strip ============ */
.logo-strip {
  padding: 30px 0 10px;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.logo-strip .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 40px;
}

.logo-strip .item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-faint);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.logo-strip svg { width: 16px; height: 16px; }

/* ============ Features ============ */
.features { padding: 110px 0; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(247, 185, 85, 0.35);
  background: var(--surface-2);
}

.feature-card .icon {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  background: linear-gradient(150deg, rgba(247, 185, 85, 0.18), rgba(94, 200, 242, 0.12));
  border: 1px solid var(--border);
  margin-bottom: 18px;
}

.feature-card h3 {
  font-size: 16.5px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14.5px;
  color: var(--text-dim);
  margin: 0;
}

.feature-card.wide { grid-column: span 2; }

/* ============ Platform showcase ============ */
.showcase { padding: 40px 0 110px; }

.tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 44px;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-dim);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.tab-btn svg { width: 16px; height: 16px; }

.tab-btn.active {
  background: var(--gradient-gold);
  color: #1a1305;
  border-color: transparent;
  box-shadow: 0 10px 24px -10px rgba(247, 185, 85, 0.6);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadein 0.35s ease; }

@keyframes fadein {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.shot-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 10px 4px 26px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.shot-scroll::-webkit-scrollbar { height: 8px; }
.shot-scroll::-webkit-scrollbar-track { background: transparent; }
.shot-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 8px; }

.shot-scroll .shot {
  flex: 0 0 auto;
  scroll-snap-align: start;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  background: var(--surface);
}

.shot-scroll.h-phone .shot { height: 480px; }
.shot-scroll.h-phone .shot img { height: 100%; width: auto; }

.shot-scroll.h-tablet .shot { height: 340px; }
.shot-scroll.h-tablet .shot img { height: 100%; width: auto; }

.shot-scroll.h-desktop .shot { height: 300px; }
.shot-scroll.h-desktop .shot img { height: 100%; width: auto; }

.shot.framed-phone { border-radius: 30px; border: 6px solid #1c2340; }
.shot.framed-tablet { border-radius: 18px; border: 6px solid #1c2340; }

.showcase-caption {
  text-align: center;
  color: var(--text-faint);
  font-size: 13.5px;
  margin-top: -10px;
}

/* ============ Download ============ */
.download {
  padding: 100px 0 110px;
}

.download-card {
  background: linear-gradient(155deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.download-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(500px 260px at 50% -10%, rgba(247, 185, 85, 0.18), transparent 70%);
  pointer-events: none;
}

.download-card h2 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
}

.download-card > p {
  color: var(--text-dim);
  margin: 14px auto 0;
  max-width: 480px;
  font-size: 16px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 18px;
  margin-top: 40px;
  position: relative;
}

.badge-link {
  display: inline-flex;
  align-items: center;
  transition: transform 0.18s ease, filter 0.18s ease;
  border-radius: 12px;
}

.badge-link:hover { transform: translateY(-3px); }

.badge-link img { height: 56px; width: auto; border-radius: 12px; }

.badge-link.obtainium img,
.badge-link.github img { height: 56px; }

.webapp-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 30px;
  color: var(--text-faint);
  font-size: 13px;
}

.webapp-divider::before,
.webapp-divider::after {
  content: "";
  height: 1px;
  width: 80px;
  background: var(--border);
}

.webapp-cta { margin-top: 18px; }

.version-row {
  margin-top: 38px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  position: relative;
}

.version-row .pill { background: rgba(255, 255, 255, 0.03); }

.oss-note {
  margin-top: 26px;
  font-size: 13.5px;
  color: var(--text-faint);
  position: relative;
}

.oss-note a { color: var(--gold-soft); font-weight: 600; }
.oss-note a:hover { text-decoration: underline; }

/* ============ Footer ============ */
.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: 48px 0 36px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text-dim);
}

.footer-brand img { width: 26px; height: 26px; border-radius: 7px; }

.footer-links {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--text-dim);
}

.footer-links a:hover { color: var(--text); }

.footer-meta {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border-soft);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12.5px;
  color: var(--text-faint);
}

/* ============ Responsive ============ */
@media (max-width: 980px) {
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { margin-top: 20px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card.wide { grid-column: span 2; }
}

@media (max-width: 640px) {
  .hero { padding: 48px 0 40px; }
  .hero-copy p.lead { font-size: 16px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card.wide { grid-column: span 1; }
  .download-card { padding: 44px 22px; }
  .badge-link img { height: 48px; }
  .float-card.sources { left: -10px; }
  .float-card.ticker { right: -8px; }
  .footer-grid { flex-direction: column; align-items: flex-start; }
  .footer-meta { flex-direction: column; }
}

@media (max-width: 400px) {
  .header-cta .btn { display: none; }
}