/* compmusic.org — marketing site
   Static port of the COMP design-system marketing page (frontend/src/pages).
   Dark theme, Space Mono display + system sans body. */

/* ===== FONTS ===== */
@font-face {
  font-family: 'Space Mono';
  font-style: normal; font-weight: 400; font-display: swap;
  src: url('fonts/SpaceMono-Regular.ttf') format('truetype');
}
@font-face {
  font-family: 'Space Mono';
  font-style: italic; font-weight: 400; font-display: swap;
  src: url('fonts/SpaceMono-Italic.ttf') format('truetype');
}
@font-face {
  font-family: 'Space Mono';
  font-style: normal; font-weight: 700; font-display: swap;
  src: url('fonts/SpaceMono-Bold.ttf') format('truetype');
}

/* ===== TOKENS ===== */
:root {
  --font-display: 'Space Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --font-sans:    'SF Pro Text', -apple-system, system-ui, 'Segoe UI', sans-serif;

  --space-void: #08070D;
  --bg:         #0D1117;
  --surface:    #161B22;
  --border:     #30363D;

  --fg:        #E6EDF3;
  --fg-muted:  #8B949E;
  --fg-faint:  #6E7681;

  --comp:        #4D089A;
  --comp-light:  #FFFFFF;
  --comp-wash:   rgba(77, 8, 154, 0.18);
  --comp-ring:   rgba(124, 58, 237, 0.45);

  --success: #3FB950;
  --r-md: 14px;
  --r-lg: 20px;
  --r-pill: 999px;
  --maxw: 1100px;
}

* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--fg); text-decoration: none; }

/* ===== Starfield background ===== */
.stars-bg, .stars-veil { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.stars-bg {
  background:
    radial-gradient(110% 70% at 50% -5%, rgba(77,8,154,0.30), transparent 55%),
    url('assets/textures/stars-background.png') center/cover no-repeat fixed,
    var(--space-void);
}
.stars-veil { background: linear-gradient(180deg, rgba(8,7,13,0.2), rgba(8,7,13,0.86)); }

/* everything above the starfield */
.site-header, main, .site-footer { position: relative; z-index: 1; }

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

.comp-eyebrow {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--fg-muted);
}

/* ===== Header ===== */
.site-header { border-bottom: 1px solid rgba(255,255,255,0.06); padding: 16px 0; }
.site-header .inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.site-header .logo img { height: 30px; display: block; }
.site-header nav ul {
  display: flex; gap: 26px; margin: 0; padding: 0; list-style: none;
  font-size: 14px; color: var(--fg-muted);
}
.site-header nav a:hover { color: var(--fg); }

/* ===== App Store buttons ===== */
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-app-store {
  display: inline-flex; align-items: center; gap: 10px;
  background: #fff; color: #000; border-radius: 12px; padding: 11px 20px;
  transition: transform .15s ease, box-shadow .15s ease;
  box-shadow: 0 0 24px rgba(124,58,237,0.18);
}
.btn-app-store:hover { transform: translateY(-1px); box-shadow: 0 0 30px rgba(124,58,237,0.32); }
.btn-app-store .apple-logo { width: 24px; height: 28px; flex: none; }
.btn-app-store__text { display: flex; flex-direction: column; line-height: 1.1; text-align: left; }
.btn-app-store__text small { font-size: 11px; }
.btn-app-store__text strong { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }

.btn-app-store.btn-sm { padding: 8px 14px; border-radius: 10px; box-shadow: none; }
.btn-app-store.btn-sm .apple-logo { width: 15px; height: 18px; }
.btn-app-store.btn-sm .btn-app-store__text { flex-direction: row; }
.btn-app-store.btn-sm .btn-app-store__text small { display: none; }
.btn-app-store.btn-sm .btn-app-store__text strong { font-size: 14px; }

/* ===== Hero ===== */
.hero {
  min-height: calc(100vh - 64px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 24px 24px 48px; max-width: 820px; margin: 0 auto;
}
.hero .logo-mark {
  width: min(340px, 62%); margin-bottom: 22px;
  filter: drop-shadow(0 14px 40px rgba(0,0,0,0.55));
}
.hero h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(30px, 4.6vw, 52px); letter-spacing: -0.03em; line-height: 1.02;
  margin: 0 0 14px; color: #fff;
}
.hero .tagline {
  color: #A9B2BD; font-size: clamp(15px, 1.6vw, 19px); line-height: 1.5;
  margin: 0 auto 28px; max-width: 520px;
}

/* ===== Section scaffolding ===== */
.section { max-width: 1000px; margin: 0 auto; padding: 24px 24px 80px; }
.section-head { text-align: center; margin-bottom: 36px; }
.section-head h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(24px, 3vw, 34px); letter-spacing: -0.02em; margin: 10px 0 0; color: var(--fg);
}

/* feature grid */
.feature-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px;
}
.feature {
  background: rgba(22,27,34,0.55); border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--r-lg); padding: 24px;
}
.feature .ficon {
  width: 42px; height: 42px; border-radius: 11px;
  background: var(--comp-wash); border: 1px solid var(--comp-ring);
  display: flex; align-items: center; justify-content: center;
  color: var(--comp-light); margin-bottom: 14px;
}
.feature h3 { font-family: var(--font-display); font-size: 18px; margin: 0 0 6px; color: var(--fg); }
.feature p { color: var(--fg-muted); font-size: 14px; line-height: 1.55; margin: 0; }

/* ===== Download band ===== */
.download-band { text-align: center; padding: 64px 24px; }
.download-band h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(24px, 3vw, 34px); letter-spacing: -0.02em; margin: 0 0 12px; color: var(--fg);
}
.download-band p { color: var(--fg-muted); margin: 0 auto 28px; max-width: 480px; }

/* ===== App gallery carousel ===== */
@keyframes carousel-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.ws-carousel { overflow: hidden; width: 100%; }
.ws-track { display: flex; width: max-content; animation: carousel-scroll 28s linear infinite; padding: 8px 24px 24px; }
.ws-carousel:hover .ws-track { animation-play-state: paused; }
.gallery-figure { flex: none; width: 196px; margin: 0 20px 0 0; }
.gallery-figure .frame {
  border-radius: 28px; overflow: hidden; border: 1px solid rgba(255,255,255,0.10);
  box-shadow: 0 20px 50px rgba(0,0,0,0.55), 0 0 32px rgba(77,8,154,0.16); background: #000;
}
.gallery-figure img { width: 100%; display: block; }
.gallery-figure figcaption { text-align: center; margin-top: 14px; }
.gallery-figure .cap-label { font-family: var(--font-display); font-size: 15px; font-weight: 600; color: var(--fg); }
.gallery-figure .cap-note { font-size: 12.5px; color: var(--fg-muted); margin-top: 2px; }

/* ===== About / page body ===== */
.page-body { max-width: 720px; margin: 0 auto; padding: 72px 24px 40px; }
.page-body h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(30px, 4.5vw, 48px); letter-spacing: -0.03em; line-height: 1.05;
  margin: 12px 0 24px; color: var(--fg);
}
.page-body .lead { color: #C2CAD3; font-size: 18px; line-height: 1.6; margin: 0 0 18px; }
.page-body .lead b { color: var(--fg); }
.page-body p { color: var(--fg-muted); font-size: 16px; line-height: 1.6; }
.page-body h2 { font-family: var(--font-display); font-size: 26px; font-weight: 700; letter-spacing: -0.02em; margin: 40px 0 6px; color: var(--fg); }
.value { padding: 18px 0; border-top: 1px solid rgba(255,255,255,0.08); }
.value .vk { font-family: var(--font-display); font-size: 17px; font-weight: 600; color: var(--fg); margin-bottom: 4px; }
.value .vv { color: var(--fg-muted); font-size: 14.5px; line-height: 1.55; }

/* ===== Panel download band (home final CTA) ===== */
.download-band--panel {
  background: rgba(13, 17, 23, 0.72);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-lg);
  max-width: 760px;
  margin: 0 auto 48px;
  padding: 48px 40px;
}
@media (max-width: 640px) {
  .download-band--panel { padding: 32px 22px; margin: 0 16px 40px; }
}

/* ===== Our Story readability panels ===== */
.about-page main { padding: 40px 16px 0; }
.about-page .page-body,
.about-page .download-band {
  background: rgba(13, 17, 23, 0.72);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-lg);
  max-width: 760px;
  margin: 0 auto 24px;
}
.about-page .page-body { padding: 48px 40px; }
.about-page .download-band { padding: 48px 40px; }

@media (max-width: 640px) {
  .about-page .page-body,
  .about-page .download-band { padding: 32px 22px; }
}

/* ===== Footer ===== */
.site-footer { border-top: 1px solid rgba(255,255,255,0.06); padding: 56px 48px 40px; }
.site-footer .inner { max-width: 1100px; margin: 0 auto; display: flex; gap: 48px; flex-wrap: wrap; }
.site-footer .brand { flex: 0 0 auto; min-width: 180px; }
.site-footer .brand-row { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.site-footer .brand-row img { height: 32px; opacity: 0.9; }
.site-footer .brand-row span { font-family: var(--font-display); font-weight: 700; font-size: 16px; color: var(--fg); }
.site-footer .copy { color: var(--fg-faint); font-size: 12px; }
.site-footer .spacer { flex: 1; }
.footer-col .col-head { font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-faint); margin-bottom: 14px; }
.footer-col a { display: block; color: var(--fg-muted); font-size: 14px; margin-bottom: 10px; }
.footer-col a:hover { color: var(--fg); }