/* ═══════════════════════════════════════════════
   Easy Downloader — landing page
   "Midnight download" — dark, tech, trustworthy
   ═══════════════════════════════════════════════ */
:root {
  --ink: #0a0e17;
  --ink-2: #0e1420;
  --surface: #131a29;
  --surface-2: #1a2234;
  --line: #263149;
  --mist: #8a94a8;
  --mist-2: #667089;
  --paper: #eef2f9;
  --volt: #4f8cff;
  --volt-soft: rgba(79, 140, 255, 0.14);
  --spark: #22d3aa;
  --radius: 16px;
  --maxw: 1120px;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Ambient aurora glow */
.aurora {
  position: fixed;
  inset: -20% -10% auto -10%;
  height: 70vh;
  background:
    radial-gradient(50% 60% at 25% 20%, rgba(79, 140, 255, 0.22), transparent 70%),
    radial-gradient(45% 55% at 80% 10%, rgba(34, 211, 170, 0.16), transparent 70%);
  filter: blur(20px);
  pointer-events: none;
  z-index: 0;
}

main, .nav, .footer { position: relative; z-index: 1; }

a { color: inherit; text-decoration: none; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.grad { background: linear-gradient(100deg, var(--volt), var(--spark)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* ═══════════ NAV ═══════════ */
.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 600; letter-spacing: -0.02em; }
.brand b { font-weight: 800; }
.brand-mark { display: block; }
.nav-links { margin-left: auto; display: flex; gap: 28px; font-size: 14.5px; color: var(--mist); }
.nav-links a { transition: color 0.15s; }
.nav-links a:hover { color: var(--paper); }
.nav-cta {
  padding: 9px 18px; border-radius: 10px; font-size: 14px; font-weight: 600;
  background: var(--volt-soft); color: #a9c6ff; border: 1px solid rgba(79, 140, 255, 0.3);
  transition: background 0.15s, transform 0.15s;
}
.nav-cta:hover { background: rgba(79, 140, 255, 0.24); transform: translateY(-1px); }
@media (max-width: 860px) { .nav-links { display: none; } .nav-cta { margin-left: auto; } }

/* ═══════════ HERO ═══════════ */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  display: inline-block; font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--spark); margin-bottom: 20px;
  padding: 5px 12px; border: 1px solid rgba(34, 211, 170, 0.28); border-radius: 100px;
  background: rgba(34, 211, 170, 0.06);
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.04; letter-spacing: -0.035em; font-weight: 800;
  text-wrap: balance;
}
.lead { margin: 22px 0 0; color: var(--mist); font-size: 1.12rem; max-width: 30rem; }
.lead b { color: var(--paper); font-weight: 650; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 14px; }
.hero-note { font-size: 13px; color: var(--mist-2); font-family: var(--mono); }

/* Download buttons */
.dl-btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 13px 22px; border-radius: 13px; font-weight: 600;
  border: 1px solid var(--line); background: var(--surface);
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}
.dl-btn svg { flex: none; }
.dl-btn span { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.15; }
.dl-btn small { font-size: 11px; color: var(--mist); font-weight: 500; }
.dl-btn b { font-size: 15.5px; }
.dl-btn.android { color: var(--spark); }
.dl-btn.android b, .dl-btn.android small { color: var(--paper); }
.dl-btn.android:hover { border-color: var(--spark); box-shadow: 0 10px 30px rgba(34, 211, 170, 0.18); transform: translateY(-2px); }
.dl-btn.windows { color: var(--volt); }
.dl-btn.windows b, .dl-btn.windows small { color: var(--paper); }
.dl-btn.windows:hover { border-color: var(--volt); box-shadow: 0 10px 30px rgba(79, 140, 255, 0.2); transform: translateY(-2px); }
.dl-btn:focus-visible { outline: 2px solid var(--volt); outline-offset: 3px; }
.dl-btn.is-disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; color: var(--mist); }
.dl-btn.is-disabled b, .dl-btn.is-disabled small { color: var(--mist); }

/* Hero demo (signature) */
.demo {
  background: linear-gradient(180deg, var(--surface), var(--ink-2));
  border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.5);
}
.demo-chrome { display: flex; gap: 7px; padding: 13px 16px; border-bottom: 1px solid var(--line); }
.demo-chrome span { width: 11px; height: 11px; border-radius: 50%; background: var(--line); }
.demo-chrome span:first-child { background: #ff5f57; }
.demo-chrome span:nth-child(2) { background: #febc2e; }
.demo-chrome span:nth-child(3) { background: #28c840; }
.demo-body { padding: 22px; }
.demo-field {
  display: flex; align-items: center; height: 46px; padding: 0 16px;
  background: var(--ink); border: 1px solid var(--line); border-radius: 11px;
  font-family: var(--mono); font-size: 13.5px; color: var(--paper);
  overflow: hidden; white-space: nowrap;
}
.demo-url { overflow: hidden; text-overflow: ellipsis; }
.demo-caret { width: 2px; height: 18px; background: var(--volt); margin-left: 2px; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.demo-card {
  margin-top: 16px; display: flex; gap: 14px; align-items: center;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px; padding: 14px;
  opacity: 0; transform: translateY(8px); transition: opacity 0.4s, transform 0.4s;
}
.demo-card.show { opacity: 1; transform: none; }
.demo-thumb {
  width: 76px; height: 54px; flex: none; border-radius: 8px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--volt), var(--spark)); color: #071018;
}
.demo-meta { min-width: 0; }
.demo-title { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.demo-quality { display: flex; gap: 6px; margin-top: 9px; }
.q-chip { font-family: var(--mono); font-size: 11px; padding: 3px 8px; border-radius: 6px; background: var(--volt-soft); color: #a9c6ff; }
.q-chip.mp3 { background: rgba(34, 211, 170, 0.14); color: var(--spark); }
.demo-progress { margin-top: 16px; opacity: 0; transition: opacity 0.3s; }
.demo-progress.show { opacity: 1; }
.demo-bar { height: 7px; border-radius: 100px; background: var(--line); overflow: hidden; position: relative; }
.demo-bar::after {
  content: ""; position: absolute; inset: 0; width: var(--p, 0%);
  background: linear-gradient(90deg, var(--volt), var(--spark)); border-radius: 100px;
  transition: width 0.2s linear;
}
.demo-status { font-family: var(--mono); font-size: 12px; color: var(--mist); margin-top: 8px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 32px; gap: 32px; }
  .demo { max-width: 100%; }
}
@media (max-width: 480px) {
  .nav { padding: 16px; gap: 12px; }
  .brand { font-size: 17px; }
  .nav-cta { padding: 8px 14px; font-size: 13px; white-space: nowrap; }
  .hero { padding-left: 16px; padding-right: 16px; }
  .hero h1 { font-size: 2rem; line-height: 1.08; }
  .lead { font-size: 1rem; }
  .demo-field { font-size: 11.5px; }
  .demo-body { padding: 16px; }
  .demo-card { padding: 12px; }
  .demo-thumb { width: 60px; height: 44px; }
  .trust, .section, .final-cta, .footer { padding-left: 16px; padding-right: 16px; }
  .hero-cta { gap: 10px; }
  .dl-btn { padding: 12px 16px; }
}

/* ═══════════ TRUST BAR ═══════════ */
.trust { max-width: var(--maxw); margin: 20px auto 0; padding: 40px 24px; text-align: center; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-label { font-size: 13px; color: var(--mist-2); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 24px; }
.logos { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.logo-chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 15px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 100px;
  font-size: 14px; font-weight: 550; color: var(--paper);
}
.logo-chip svg { flex: none; }
.trust-count { margin-top: 24px; color: var(--mist); font-size: 15px; }
.trust-count b { color: var(--spark); font-size: 17px; }

/* ═══════════ SECTIONS ═══════════ */
.section { max-width: var(--maxw); margin: 0 auto; padding: 60px 24px; }
.section-head { text-align: center; margin-bottom: 48px; }
.kicker { display: block; font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--volt); margin-bottom: 12px; }
.section-head h2, .about h2, .final-cta h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -0.03em; font-weight: 800; text-wrap: balance; }

/* Features */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; transition: border-color 0.2s, transform 0.2s; }
.feature:hover { border-color: rgba(79, 140, 255, 0.4); transform: translateY(-3px); }
.feat-ico { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 16px; color: #071018; }
.grad-bg { background: linear-gradient(135deg, var(--volt), var(--spark)); }
.feature h3 { font-size: 17px; margin-bottom: 8px; letter-spacing: -0.01em; }
.feature p { font-size: 14px; color: var(--mist); }
@media (max-width: 900px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .feature-grid { grid-template-columns: 1fr; } }

/* Install tabs */
.tabs { display: flex; gap: 10px; justify-content: center; margin-bottom: 28px; flex-wrap: wrap; }
.tab {
  display: inline-flex; align-items: center; gap: 9px; padding: 12px 22px;
  font-family: var(--sans); font-size: 15px; font-weight: 600; cursor: pointer;
  background: var(--surface); color: var(--mist); border: 1px solid var(--line); border-radius: 12px;
  transition: all 0.15s;
}
.tab:hover { color: var(--paper); }
.tab.is-active { background: var(--volt-soft); color: var(--paper); border-color: rgba(79, 140, 255, 0.5); }
.tab:focus-visible { outline: 2px solid var(--volt); outline-offset: 2px; }
.panel { max-width: 720px; margin: 0 auto; }
.panel[hidden] { display: none; }
.steps { list-style: none; counter-reset: s; display: flex; flex-direction: column; gap: 14px; }
.steps li {
  counter-increment: s; position: relative; padding: 18px 20px 18px 62px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 13px;
  color: var(--mist); font-size: 15px;
}
.steps li b { color: var(--paper); font-weight: 650; }
.steps li::before {
  content: counter(s); position: absolute; left: 18px; top: 16px;
  width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
  font-family: var(--mono); font-weight: 700; font-size: 14px;
  background: linear-gradient(135deg, var(--volt), var(--spark)); color: #071018;
}

/* About */
.about-grid { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 48px; align-items: center; }
.about p { color: var(--mist); margin-top: 16px; font-size: 1.02rem; }
.about p b { color: var(--paper); }
.about-stats { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.about-stats li { background: var(--surface); border: 1px solid var(--line); border-radius: 13px; padding: 22px 18px; text-align: center; }
.about-stats b { display: block; font-size: 1.9rem; letter-spacing: -0.02em; background: linear-gradient(100deg, var(--volt), var(--spark)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.about-stats span { font-size: 12.5px; color: var(--mist); text-transform: uppercase; letter-spacing: 0.06em; }
@media (max-width: 820px) { .about-grid { grid-template-columns: 1fr; gap: 32px; } }

/* FAQ */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--surface); border: 1px solid var(--line); border-radius: 13px; overflow: hidden; }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 18px 22px; font-weight: 600; font-size: 15.5px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-family: var(--mono); font-size: 22px; color: var(--volt); transition: transform 0.2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 22px 20px; color: var(--mist); font-size: 14.5px; }

/* Final CTA */
.final-cta { max-width: 780px; margin: 40px auto 0; padding: 64px 24px 20px; text-align: center; }
.final-cta p { color: var(--mist); margin: 14px 0 30px; font-size: 1.08rem; }
.final-cta .hero-cta { justify-content: center; }

/* ═══════════ FOOTER ═══════════ */
.footer { max-width: var(--maxw); margin: 60px auto 0; padding: 40px 24px; border-top: 1px solid var(--line); }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 24px; font-size: 14px; color: var(--mist); }
.footer-links a:hover { color: var(--paper); }
.footer-legal { margin-top: 24px; font-size: 12.5px; color: var(--mist-2); max-width: 620px; line-height: 1.6; }