/* STMPlayer public site: same look as the apps (dark, orange accent, Quicksand) */
@font-face { font-family: Quicksand; src: url(fonts/quicksand_regular.ttf) format('truetype'); font-weight: 400; font-display: swap; }
@font-face { font-family: Quicksand; src: url(fonts/quicksand_medium.ttf) format('truetype'); font-weight: 500; font-display: swap; }
@font-face { font-family: Quicksand; src: url(fonts/quicksand_bold.ttf) format('truetype'); font-weight: 700; font-display: swap; }

:root {
  --bg: #0a0c11; --panel: #14161d; --card: #1a1c23; --line: rgba(255, 255, 255, 0.08);
  --text: #f4f1ec; --sub: #b9b2a8; --mute: #7d776f;
  --acc1: #ffb347; --acc2: #ff6a00; --acc: #ff8a1f; --on-acc: #1c0e00;
  --grad: linear-gradient(135deg, var(--acc1), var(--acc2));
  --wrap: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Quicksand, system-ui, sans-serif; font-weight: 500; line-height: 1.6;
  -webkit-font-smoothing: antialiased; }
a { color: var(--acc1); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.wrap { width: min(var(--wrap), 100% - 32px); margin: 0 auto; }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; border-radius: 6px; }

/* header */
.top { position: sticky; top: 0; z-index: 10; background: rgba(10, 12, 17, 0.82); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 20px; }
.brand:hover { text-decoration: none; }
.brand img { width: 36px; height: 36px; }
.menu { margin-left: auto; display: flex; gap: 6px; align-items: center; }
.menu a { color: var(--sub); padding: 8px 14px; border-radius: 10px; font-weight: 700; font-size: 15px; }
.menu a:hover, .menu a.on { color: var(--text); background: rgba(255, 255, 255, 0.06); text-decoration: none; }
.menu .btn { margin-left: 6px; }
.burger { display: none; margin-left: auto; background: none; border: 1px solid var(--line); color: var(--text); border-radius: 10px; width: 44px; height: 40px; font-size: 20px; cursor: pointer; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 46px; padding: 0 22px; border-radius: 12px;
  font: inherit; font-weight: 700; font-size: 15px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.07); color: var(--text); cursor: pointer; }
.btn:hover { text-decoration: none; background: rgba(255, 255, 255, 0.12); }
.btn.primary { background: var(--grad); color: var(--on-acc); border: 0; box-shadow: 0 10px 28px rgba(255, 106, 0, 0.28); }
.btn.primary:hover { filter: brightness(1.06); }
.menu a.btn.primary { color: var(--on-acc); }

/* hero */
.hero { position: relative; overflow: hidden; padding: 96px 0 72px; }
.hero::before { content: ''; position: absolute; inset: -20% -10% auto; height: 520px;
  background: radial-gradient(600px 300px at 30% 30%, rgba(255, 138, 31, 0.22), transparent 70%), radial-gradient(500px 280px at 80% 10%, rgba(255, 106, 0, 0.12), transparent 70%); pointer-events: none; }
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.kicker { color: var(--acc); font-weight: 700; font-size: 13px; letter-spacing: 0.22em; text-transform: uppercase; }
h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.08; margin: 12px 0 18px; }
.lead { color: var(--sub); font-size: 18px; max-width: 560px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.hero-art { aspect-ratio: 1; display: grid; place-items: center; border-radius: 36px; background: radial-gradient(circle at 50% 45%, rgba(255, 138, 31, 0.18), transparent 65%); }
.hero-art img { width: 62%; filter: drop-shadow(0 30px 60px rgba(255, 106, 0, 0.35)); }

/* sections */
section { padding: 64px 0; }
h2 { font-size: clamp(26px, 3.4vw, 36px); margin: 8px 0 12px; line-height: 1.15; }
.section-head { max-width: 640px; margin-bottom: 32px; }
.section-head p { color: var(--sub); margin: 0; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 26px; }
.card h3 { margin: 14px 0 6px; font-size: 19px; }
.card p { margin: 0; color: var(--sub); font-size: 15px; }
.chip { width: 48px; height: 48px; border-radius: 24px; background: var(--grad); display: grid; place-items: center; box-shadow: 0 8px 22px rgba(255, 106, 0, 0.28); }
.chip svg { width: 24px; height: 24px; stroke: #fff; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.steps { counter-reset: s; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.steps .card::before { counter-increment: s; content: counter(s); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 20px;
  background: rgba(255, 138, 31, 0.14); color: var(--acc1); font-weight: 700; }
.notice { background: linear-gradient(135deg, rgba(255, 138, 31, 0.10), rgba(255, 106, 0, 0.04)); border: 1px solid rgba(255, 138, 31, 0.3); border-radius: 22px; padding: 26px 28px; }
.notice p { margin: 0; color: var(--sub); }
.notice b { color: var(--text); }
details { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px 22px; }
details + details { margin-top: 10px; }
summary { cursor: pointer; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; color: var(--acc); font-size: 22px; line-height: 1; }
details[open] summary::after { content: '–'; }
details p { color: var(--sub); margin: 12px 0 0; }

/* document pages (policy, terms) */
.doc { padding: 56px 0 72px; }
.doc .wrap { max-width: 820px; }
.doc .updated { color: var(--mute); font-size: 14px; }
.doc h2 { font-size: 22px; margin: 36px 0 10px; }
.doc p, .doc li { color: var(--sub); }
.doc b, .doc strong { color: var(--text); }
.doc table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 15px; }
.doc th, .doc td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { color: var(--text); background: rgba(255, 255, 255, 0.04); }
.doc td { color: var(--sub); }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
.table-scroll table { margin: 0; }
.toc { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 18px 22px; margin: 24px 0; }
.toc ol { margin: 6px 0 0; padding-left: 20px; }
.toc li { margin: 4px 0; }

/* footer */
footer { border-top: 1px solid var(--line); padding: 36px 0; margin-top: 40px; color: var(--mute); font-size: 14px; }
footer .wrap { display: flex; gap: 24px; flex-wrap: wrap; justify-content: space-between; align-items: center; }
footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
footer nav a { color: var(--sub); }

/* responsive */
@media (max-width: 900px) {
  .hero { padding: 56px 0 40px; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-art { max-width: 320px; margin: 0 auto; order: -1; }
  .grid, .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .burger { display: block; }
  .menu { display: none; position: absolute; left: 0; right: 0; top: 68px; flex-direction: column; align-items: stretch; padding: 12px 16px 18px;
    background: rgba(10, 12, 17, 0.97); border-bottom: 1px solid var(--line); }
  .menu.open { display: flex; }
  .menu a { padding: 12px 14px; }
  .menu .btn { margin: 8px 0 0; }
  .grid, .steps { grid-template-columns: 1fr; }
  section { padding: 44px 0; }
  .cta .btn { flex: 1; }
}

/* current item of the top bar (section on screen, or the page open) */
.menu a { position: relative; }
.menu a.on { color: var(--acc1); background: rgba(255, 138, 31, 0.12); }
.menu a.on::after { content: ''; position: absolute; left: 14px; right: 14px; bottom: 3px; height: 2px; border-radius: 2px; background: var(--grad); }
@media (max-width: 640px) { .menu a.on::after { left: 14px; right: auto; width: 24px; } }

/* feature groups: one block per theme, its own icon, each function with a small icon */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.fg { background: var(--card); border: 1px solid var(--line); border-radius: 24px; padding: 26px; transition: border-color .2s, transform .2s; }
.fg:hover { border-color: rgba(255, 138, 31, 0.35); transform: translateY(-2px); }
.fg-head { display: flex; gap: 16px; align-items: flex-start; }
.fg-head .chip { width: 56px; height: 56px; border-radius: 18px; flex: none; }
.fg-head .chip svg { width: 28px; height: 28px; }
.fg-head h3 { margin: 2px 0 4px; font-size: 21px; }
.fg-head p { margin: 0; color: var(--sub); font-size: 15px; }
.fg-list { list-style: none; margin: 20px 0 0; padding: 18px 0 0; border-top: 1px solid var(--line); display: grid; gap: 14px; }
.fg-list li { display: flex; gap: 12px; align-items: flex-start; }
.fg-list .ic { width: 34px; height: 34px; flex: none; border-radius: 11px; background: rgba(255, 138, 31, 0.12); display: grid; place-items: center; }
.fg-list .ic svg { width: 18px; height: 18px; stroke: var(--acc1); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.fg-list b { display: block; color: var(--text); font-size: 15px; }
.fg-list span { color: var(--sub); font-size: 14px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 40px; }
.stat { text-align: center; padding: 18px 12px; border-radius: 18px; background: rgba(255, 255, 255, 0.03); border: 1px solid var(--line); }
.stat b { display: block; font-size: 26px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { color: var(--sub); font-size: 14px; }
@media (max-width: 900px) { .features { grid-template-columns: 1fr; } .stats { grid-template-columns: 1fr 1fr; } }

/* anchors land below the fixed top bar */
section[id] { scroll-margin-top: 72px; }

/* the numbers strip spans the whole width under the hero */
.hero .wrap.hero-stats { display: block; }
.devices { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin: 22px 0 0; padding: 0; }
.devices li { display: grid; justify-items: start; gap: 4px; padding: 18px; border-radius: 18px; border: 1px solid var(--line); background: var(--panel); }
.devices li b { margin-top: 8px; font-size: 1.05rem; color: var(--text); }
.devices li span { color: var(--sub); font-size: 0.9rem; }
.devices li em { margin-top: 8px; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--mute); font-style: normal; font-size: 0.75rem; font-weight: 700; }
.devices li em.is-on { border-color: rgba(255, 138, 31, 0.45); color: var(--acc1); }
.device-logo { display: grid; place-items: center; width: 64px; height: 64px; border-radius: 16px; background: #fff; }
.device-logo svg { width: 38px; height: 38px; display: block; }
.device-logo.is-wide { width: 124px; }
.device-logo.is-wide svg { width: 108px; height: 54px; }
.devices-note { margin: 14px 0 0; color: var(--mute); font-size: 0.78rem; }
@media (max-width: 860px) { .devices { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .devices { grid-template-columns: minmax(0, 1fr); } }