/* SkyHanni fan site — dark, emerald, no-nonsense */

:root {
  --bg: #0c0f0e;
  --bg-raise: #121614;
  --bg-card: #151a17;
  --line: #232b26;
  --text: #e8ede9;
  --text-dim: #96a29a;
  --accent: #64e6a4;
  --accent-dim: #2c5c44;
  --accent-ink: #0a1f15;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --display: "Sora", sans-serif;
  --body: "Inter", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent); color: var(--accent-ink); }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 780px; }

h1, h2, h3 { font-family: var(--display); letter-spacing: -0.02em; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 2px 7px;
  color: var(--accent);
}

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(12, 15, 14, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.nav.scrolled { border-bottom-color: var(--line); }

.nav-inner {
  max-width: 1120px; margin: 0 auto; padding: 18px 24px;
  display: flex; align-items: center; justify-content: space-between;
}

.logo {
  font-family: var(--display); font-weight: 800; font-size: 1.3rem;
  color: var(--text); letter-spacing: -0.03em;
}
.logo span { color: var(--accent); }
.logo:hover { text-decoration: none; }

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  color: var(--text-dim); font-size: 0.92rem; font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }

.nav-cta {
  color: var(--accent) !important;
  border: 1px solid var(--accent-dim);
  padding: 7px 18px; border-radius: 8px;
  transition: background .2s, border-color .2s;
}
.nav-cta:hover { background: rgba(100, 230, 164, 0.08); border-color: var(--accent); }

.nav-burger { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-burger span {
  display: block; width: 22px; height: 2px; background: var(--text);
  margin: 5px 0; border-radius: 2px; transition: transform .25s, opacity .25s;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: 190px 0 110px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-glow {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 900px 480px at 70% -10%, rgba(100, 230, 164, 0.10), transparent 60%),
    radial-gradient(ellipse 700px 400px at 10% 110%, rgba(100, 230, 164, 0.05), transparent 60%);
}

.hero-inner { position: relative; }

.hero-kicker {
  font-family: var(--mono); font-size: 0.82rem; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.3rem);
  font-weight: 800; line-height: 1.06; margin-bottom: 26px;
}
.hero h1 em { font-style: normal; color: var(--accent); }

.hero-sub {
  max-width: 620px; color: var(--text-dim);
  font-size: 1.13rem; margin-bottom: 40px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; align-items: stretch; }

.btn {
  display: inline-flex; flex-direction: column; justify-content: center;
  padding: 15px 32px; border-radius: 10px;
  font-family: var(--display); font-weight: 600; font-size: 1rem;
  transition: transform .15s, box-shadow .15s, background .2s, border-color .2s;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }

.btn-primary {
  background: var(--accent); color: var(--accent-ink);
  box-shadow: 0 6px 28px rgba(100, 230, 164, 0.22);
}
.btn-primary:hover { box-shadow: 0 10px 34px rgba(100, 230, 164, 0.3); }
.btn-primary small {
  font-family: var(--body); font-weight: 500; font-size: 0.76rem;
  opacity: 0.75; margin-top: 1px;
}

.btn-ghost {
  border: 1px solid var(--line); color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}
.btn-ghost:hover { border-color: var(--accent-dim); background: rgba(100, 230, 164, 0.05); }

.hero-note { margin-top: 28px; color: var(--text-dim); font-size: 0.9rem; }

/* ---------- stats ---------- */
.stats { border-bottom: 1px solid var(--line); background: var(--bg-raise); }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  padding-top: 34px; padding-bottom: 34px; gap: 20px;
}
.stat { text-align: center; }
.stat strong {
  display: block; font-family: var(--display); font-size: 1.9rem;
  font-weight: 800; color: var(--accent);
}
.stat span { color: var(--text-dim); font-size: 0.88rem; }

/* ---------- sections ---------- */
.section { padding: 110px 0; }
.section-alt { background: var(--bg-raise); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-head { max-width: 640px; margin-bottom: 60px; }
.section-num {
  font-family: var(--mono); color: var(--accent); font-size: 0.85rem;
  display: block; margin-bottom: 14px; letter-spacing: 0.1em;
}
.section-head h2 {
  font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 700; margin-bottom: 16px;
}
.section-head p { color: var(--text-dim); font-size: 1.05rem; }

/* ---------- features ---------- */
.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}

.feature-card {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: 14px; padding: 28px;
  transition: border-color .25s, transform .25s;
}
.feature-card:hover { border-color: var(--accent-dim); transform: translateY(-3px); }

.feature-tag {
  display: inline-block; font-family: var(--mono); font-size: 0.74rem;
  color: var(--accent); border: 1px solid var(--accent-dim);
  padding: 3px 10px; border-radius: 999px; margin-bottom: 16px;
  letter-spacing: 0.06em; text-transform: uppercase;
}

.feature-card h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 14px; line-height: 1.35; }

.feature-card ul { list-style: none; }
.feature-card li {
  color: var(--text-dim); font-size: 0.92rem; padding: 5px 0 5px 20px;
  position: relative;
}
.feature-card li::before {
  content: ""; position: absolute; left: 0; top: 13px;
  width: 8px; height: 2px; background: var(--accent); border-radius: 2px;
}

/* ---------- download ---------- */
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

.dl-card {
  position: relative; display: flex; flex-direction: column;
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: 14px; padding: 30px; color: var(--text);
  transition: border-color .25s, transform .25s;
}
.dl-card:hover { text-decoration: none; transform: translateY(-4px); border-color: var(--accent-dim); }

.dl-featured { border-color: var(--accent-dim); background: linear-gradient(180deg, rgba(100,230,164,0.06), var(--bg-card) 55%); }

.dl-badge {
  position: absolute; top: -12px; left: 26px;
  background: var(--accent); color: var(--accent-ink);
  font-family: var(--mono); font-size: 0.72rem; font-weight: 500;
  padding: 3px 12px; border-radius: 999px; letter-spacing: 0.08em; text-transform: uppercase;
}

.dl-mc { font-family: var(--display); font-size: 1.28rem; font-weight: 700; margin-bottom: 6px; }
.dl-ver { color: var(--accent); font-family: var(--mono); font-size: 0.88rem; margin-bottom: 4px; }
.dl-meta { color: var(--text-dim); font-size: 0.85rem; margin-bottom: 26px; }

.dl-btn {
  margin-top: auto; text-align: center;
  border: 1px solid var(--accent-dim); border-radius: 9px;
  padding: 12px; font-weight: 600; font-size: 0.95rem;
  color: var(--accent); transition: background .2s;
}
.dl-card:hover .dl-btn { background: rgba(100, 230, 164, 0.1); }
.dl-featured .dl-btn { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.dl-featured:hover .dl-btn { background: #7bf0b3; }

.dl-footnote { margin-top: 34px; color: var(--text-dim); font-size: 0.92rem; }

/* ---------- install steps ---------- */
.steps { list-style: none; counter-reset: step; max-width: 760px; }
.steps li {
  counter-increment: step;
  position: relative; padding: 0 0 42px 74px;
}
.steps li::before {
  content: "0" counter(step);
  position: absolute; left: 0; top: 0;
  font-family: var(--mono); font-size: 1rem; color: var(--accent);
  width: 48px; height: 48px; border: 1px solid var(--accent-dim); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-card);
}
.steps li:not(:last-child)::after {
  content: ""; position: absolute; left: 24px; top: 56px; bottom: 8px;
  width: 1px; background: var(--line);
}
.steps h3 { font-size: 1.08rem; margin-bottom: 6px; }
.steps p { color: var(--text-dim); font-size: 0.96rem; }

/* ---------- faq ---------- */
.faq-list details {
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--bg-card); margin-bottom: 12px;
  overflow: hidden; transition: border-color .2s;
}
.faq-list details[open] { border-color: var(--accent-dim); }

.faq-list summary {
  cursor: pointer; list-style: none;
  padding: 19px 52px 19px 22px; position: relative;
  font-weight: 600; font-family: var(--display); font-size: 0.99rem;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+"; position: absolute; right: 22px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono); color: var(--accent); font-size: 1.2rem;
  transition: transform .2s;
}
.faq-list details[open] summary::after { transform: translateY(-50%) rotate(45deg); }

.faq-list details p {
  padding: 0 22px 20px; color: var(--text-dim); font-size: 0.95rem;
}

/* ---------- community ---------- */
.community { text-align: center; }
.community-inner { max-width: 680px; }
.community h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); margin-bottom: 18px; }
.community p { color: var(--text-dim); margin-bottom: 36px; }
.community-links { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); background: var(--bg-raise); padding: 60px 0 0; }
.footer-inner {
  display: flex; justify-content: space-between; gap: 40px;
  flex-wrap: wrap; padding-bottom: 44px;
}
.footer-inner p { color: var(--text-dim); font-size: 0.84rem; margin-top: 12px; max-width: 380px; }
.footer-cols { display: flex; gap: 70px; }
.footer-cols h4 {
  font-family: var(--mono); font-size: 0.74rem; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--text-dim); margin-bottom: 14px; font-weight: 500;
}
.footer-cols a { display: block; color: var(--text); font-size: 0.92rem; padding: 4px 0; }
.footer-cols a:hover { color: var(--accent); text-decoration: none; }
.footer-bottom {
  border-top: 1px solid var(--line); padding-top: 20px; padding-bottom: 20px;
  color: var(--text-dim); font-size: 0.82rem;
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .feature-grid, .dl-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; row-gap: 30px; }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--bg-raise); border-bottom: 1px solid var(--line);
    padding: 10px 24px 20px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; font-size: 1rem; }
  .nav-cta { margin-top: 8px; }
  .nav-burger { display: block; }

  .hero { padding: 140px 0 80px; }
  .section { padding: 76px 0; }
  .feature-grid, .dl-grid { grid-template-columns: 1fr; }
  .dl-grid { margin-top: 10px; }
  .steps li { padding-left: 64px; }
  .footer-cols { gap: 44px; }
}