/* ============================================================
   StreamHub — public website theme
   ============================================================ */
:root {
  --bg: #0b111c;
  --bg-alt: #0e1624;
  --panel: #121b2b;
  --panel-2: #0a111c;
  --border: #1e2b40;
  --text: #9fb0c6;
  --text-strong: #eef3fa;
  --muted: #64758c;
  --accent: #2fb0e8;
  --accent-2: #1d8fc0;
  --ok: #46a758;
  --amber: #e5a53d;
  --red: #e5484d;
  --radius: 12px;
  --grad: linear-gradient(135deg, #16424f 0%, #0d1e31 60%, #0b111c 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 15.5px/1.6 "Nunito", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
h1, h2, h3, h4, h5 { color: var(--text-strong); line-height: 1.2; margin: 0 0 10px; }
p { margin: 0 0 14px; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 22px; }

/* Buttons */
.btn {
  display: inline-block; padding: 11px 22px; border-radius: 8px;
  font-weight: 700; font-size: 14.5px; cursor: pointer; border: 1px solid transparent;
  transition: background .15s, border-color .15s, transform .05s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #06121c; }
.btn-primary:hover { background: var(--accent-2); }
.btn-outline { border-color: var(--border); color: var(--text-strong); background: transparent; }
.btn-outline:hover { border-color: var(--accent); }
.btn-ghost { color: var(--text-strong); background: transparent; border-color: transparent; }
.btn-ghost:hover { border-color: var(--border); }
.btn-block { display: block; width: 100%; text-align: center; }

/* ===== Nav ===== */
.site-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 17, 28, .82); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 28px; height: 66px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; font-size: 18px; color: var(--text-strong); letter-spacing: .3px; }
.brand-mark {
  width: 22px; height: 22px; border-radius: 6px; display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 14px rgba(47, 176, 232, .55);
}
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a { color: var(--text); font-size: 14.5px; font-weight: 600; }
.nav-links a:hover { color: var(--text-strong); }
.site-nav .btn { margin-left: 0; }

/* ===== Hero ===== */
.hero {
  background: var(--grad);
  border-bottom: 1px solid var(--border);
  padding: 84px 0 66px;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.hero-badge {
  display: inline-block; padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 700;
  background: rgba(47, 176, 232, .12); color: var(--accent); border: 1px solid rgba(47, 176, 232, .35); margin-bottom: 20px;
}
.hero h1 { font-size: 46px; margin-bottom: 18px; letter-spacing: -.5px; }
.hero-copy > p { font-size: 17px; color: var(--text); max-width: 480px; }
.hero-cta { display: flex; gap: 14px; margin: 26px 0 22px; }
.hero-trust { display: flex; gap: 22px; font-size: 13.5px; color: var(--muted); font-weight: 600; }
.hero-trust span { color: var(--text); }

/* player mock */
.player-mock {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border);
  background: var(--panel); box-shadow: 0 30px 70px rgba(0, 0, 0, .5);
}
.player-top {
  display: flex; align-items: center; gap: 7px; padding: 12px 14px;
  background: var(--panel-2); border-bottom: 1px solid var(--border);
}
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot.red { background: var(--red); } .dot.amber { background: var(--amber); } .dot.green { background: var(--ok); }
.player-title { margin-left: 8px; font-size: 12.5px; color: var(--muted); font-family: ui-monospace, Consolas, monospace; }
.player-stage {
  position: relative; display: flex; flex-direction: column; justify-content: center; align-items: center;
  height: 260px; padding: 30px; gap: 22px;
  background:
    radial-gradient(600px 220px at 30% 20%, rgba(47, 176, 232, .18), transparent 60%),
    radial-gradient(500px 200px at 80% 80%, rgba(29, 143, 192, .14), transparent 60%),
    var(--panel);
}
.play-btn {
  width: 74px; height: 74px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--accent); color: #06121c; font-size: 24px; padding-left: 6px;
  box-shadow: 0 0 0 10px rgba(47, 176, 232, .15), 0 0 40px rgba(47, 176, 232, .5);
  cursor: pointer;
}
.player-timeline { width: 100%; height: 6px; border-radius: 999px; background: var(--panel-2); overflow: hidden; }
.player-progress { display: block; height: 100%; background: var(--accent); }
.player-stats { display: flex; gap: 12px; align-self: flex-end; }
.player-stats span { font-size: 11.5px; font-weight: 700; color: var(--muted); padding: 4px 10px; border: 1px solid var(--border); border-radius: 6px; }

/* hero stats strip */
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 26px;
}
.hero-stats div { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 14px; text-align: center; }
.hero-stats strong { display: block; font-size: 22px; color: var(--text-strong); }
.hero-stats span { font-size: 12.5px; color: var(--muted); }

/* ===== Sections ===== */
.section { padding: 78px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 640px; margin: 0 auto 44px; text-align: center; }
.kicker {
  display: inline-block; font-size: 12.5px; font-weight: 800; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
}
.section-head h2 { font-size: 32px; letter-spacing: -.4px; }
.section-head p { color: var(--muted); font-size: 16px; margin: 0; }

/* about */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; margin-bottom: 40px; }
.about-text h3 { font-size: 21px; margin-bottom: 12px; }
.tick-list { list-style: none; padding: 0; margin: 18px 0 0; }
.tick-list li { padding: 4px 0 4px 26px; position: relative; }
.tick-list li::before { content: "\2713"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }
.about-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.about-quote { font-size: 16px; color: var(--text-strong); font-style: italic; margin-bottom: 18px; }
.about-who { display: flex; align-items: center; gap: 12px; }
.avatar { width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; color: #06121c; background: var(--accent); }
.about-who strong { display: block; color: var(--text-strong); }
.about-who span { font-size: 13px; color: var(--muted); }

.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.value-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.value-card h4 { font-size: 16px; margin-bottom: 8px; }
.value-card p { font-size: 14px; color: var(--muted); margin: 0; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 26px; position: relative; }
.step-num { font-size: 13px; font-weight: 800; letter-spacing: 2px; color: var(--accent); margin-bottom: 14px; }
.step h3 { font-size: 19px; }
.step p { font-size: 14.5px; color: var(--muted); margin: 0; }

/* features */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.feature-icon { font-size: 24px; margin-bottom: 12px; }
.feature h4 { font-size: 16.5px; }
.feature p { font-size: 14px; color: var(--muted); margin: 0; }

/* contact */
.alert { border-radius: 8px; padding: 14px 18px; margin: 0 auto 24px; max-width: 860px; font-weight: 700; font-size: 14.5px; }
.alert-ok { background: rgba(70, 167, 88, .12); border: 1px solid rgba(70, 167, 88, .45); color: var(--ok); }
.alert-err { background: rgba(229, 72, 77, .12); border: 1px solid rgba(229, 72, 77, .45); color: var(--red); }
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 44px; max-width: 860px; margin: 0 auto; align-items: start; }
.contact-info h3 { font-size: 18px; margin-bottom: 16px; }
.contact-info p { margin: 0 0 18px; font-size: 14.5px; }
.contact-info strong { color: var(--text-strong); }
.contact-form { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 700; color: var(--text-strong); margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; padding: 11px 13px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--text-strong); font: inherit; font-size: 14.5px;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(47, 176, 232, .18); }
.field textarea { resize: vertical; }

/* footer */
.site-foot { border-top: 1px solid var(--border); background: var(--panel-2); padding: 54px 0 26px; }
.foot-inner { display: grid; grid-template-columns: 1.4fr repeat(3, .7fr); gap: 30px; }
.foot-brand p { font-size: 13.5px; color: var(--muted); max-width: 260px; margin: 12px 0 0; }
.foot-col h5 { font-size: 13px; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 14px; color: var(--text); }
.foot-col a { display: block; font-size: 14px; color: var(--muted); padding: 4px 0; }
.foot-col a:hover { color: var(--text-strong); }
.foot-bar { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); font-size: 12.5px; color: var(--muted); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .value-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .foot-inner { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 36px; }
}
@media (max-width: 620px) {
  .nav-links { display: none; }
  .value-grid, .feature-grid, .form-row, .foot-inner { grid-template-columns: 1fr; }
}