/* Frontend estático - sem framework e sem backend */
:root {
  --accent: #356df3;
  --accent-2: #7597ee;
  --accent-rgb: 53, 109, 243;
  --ink: #16151a;
  --muted: #6c6a73;
  --line: #e9e8ed;
  --surface: #ffffff;
  --soft: #f7f8fc;
  --page: #ffffff;
  --player: #11131a;
  --player-text: #ffffff;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(24, 31, 54, .08);
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--ink); background: var(--page); line-height: 1.5; }
body.player-open { padding-bottom: 94px; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { cursor: pointer; }
img { max-width: 100%; }
.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }

.site-header { position: sticky; top: 0; z-index: 30; background: rgba(255,255,255,.9); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(233,232,237,.8); }
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display:flex; align-items:center; gap:11px; font-size:20px; font-weight:800; letter-spacing:-.035em; }
.brand-mark { width:38px; height:38px; border-radius:12px; display:grid; place-items:center; color:var(--accent); background:rgba(var(--accent-rgb),.1); }
.brand-mark svg { width:21px; height:21px; }
.nav { display:flex; align-items:center; gap:28px; font-size:14px; font-weight:600; }
.nav a { color:#2d2a31; transition:.2s ease; }
.nav a:hover, .nav a[aria-current="page"] { color:var(--accent); }
.nav .nav-cta { padding:10px 16px; border-radius:10px; color:white; background:var(--accent); }
.menu-btn { display:none; width:42px; height:42px; border:1px solid var(--line); background:white; border-radius:11px; color:var(--ink); }

.hero { position:relative; min-height: 600px; display:grid; place-items:center; overflow:hidden; padding:90px 0 110px; background: linear-gradient(135deg, rgba(var(--accent-rgb),.018), rgba(var(--accent-rgb),.065)); }
.hero::before, .hero::after { content:""; position:absolute; width:500px; height:500px; border-radius:999px; filter:blur(55px); opacity:.18; background:var(--accent-2); }
.hero::before { left:-260px; bottom:-250px; }
.hero::after { right:-250px; top:-260px; }
.hero-inner { position:relative; z-index:1; text-align:center; max-width:1000px; }
.eyebrow { display:inline-flex; align-items:center; gap:8px; padding:7px 12px; margin-bottom:18px; border:1px solid rgba(var(--accent-rgb),.2); color:var(--accent); background:rgba(255,255,255,.7); border-radius:999px; font-size:13px; font-weight:700; }
.hero h1 { margin:0; font-size:clamp(52px, 7.2vw, 92px); line-height:.98; letter-spacing:-.06em; font-weight:850; }
.hero h1 .accent { display:block; color:var(--accent); background:linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip:text; background-clip:text; color:transparent; margin-bottom:9px; }
.hero p { max-width:720px; margin:28px auto 0; color:var(--muted); font-size:clamp(18px,2vw,21px); }
.hero-actions { display:flex; justify-content:center; flex-wrap:wrap; gap:14px; margin-top:30px; }
.btn { min-height:48px; padding:0 22px; border:1px solid transparent; border-radius:11px; display:inline-flex; align-items:center; justify-content:center; gap:9px; font-weight:700; font-size:14px; transition:transform .2s ease, box-shadow .2s ease, background .2s ease; }
.btn:hover { transform:translateY(-2px); }
.btn-primary { color:#fff; background:var(--accent); box-shadow:0 12px 26px rgba(var(--accent-rgb),.22); }
.btn-secondary { color:var(--ink); background:rgba(255,255,255,.8); border-color:var(--line); }
.btn-outline { color:var(--ink); background:white; border-color:var(--line); }
.btn-sm { min-height:40px; padding:0 16px; }
.hero-search { max-width:640px; display:flex; gap:10px; margin:34px auto 0; padding:8px; background:white; border:1px solid var(--line); border-radius:15px; box-shadow:var(--shadow); }
.hero-search input { flex:1; min-width:0; border:0; outline:0; padding:0 14px; color:var(--ink); background:transparent; }

.section { padding:88px 0; }
.section-soft { background:var(--soft); }
.section-head { display:flex; justify-content:space-between; align-items:end; gap:30px; margin-bottom:36px; }
.section-head.center { display:block; text-align:center; }
.section-head h2 { margin:0; font-size:clamp(34px,4vw,50px); letter-spacing:-.045em; line-height:1.08; }
.section-head p { margin:10px 0 0; color:var(--muted); font-size:17px; max-width:680px; }
.section-head.center p { margin-left:auto; margin-right:auto; }
.text-link { color:var(--accent); font-weight:750; white-space:nowrap; }

.category-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.category-card { min-height:190px; padding:26px; border:1px solid var(--line); border-radius:var(--radius); background:white; transition:.25s ease; }
.category-card:hover { transform:translateY(-5px); border-color:rgba(var(--accent-rgb),.35); box-shadow:var(--shadow); }
.category-icon { width:48px; height:48px; border-radius:14px; display:grid; place-items:center; color:var(--accent); background:rgba(var(--accent-rgb),.1); margin-bottom:26px; }
.category-icon svg { width:23px; height:23px; }
.category-card h3 { margin:0 0 8px; font-size:19px; letter-spacing:-.02em; }
.category-card p { margin:0; color:var(--muted); font-size:14px; }

.station-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.station-card { position:relative; padding:22px; min-height:270px; display:flex; flex-direction:column; border:1px solid var(--line); border-radius:var(--radius); background:white; transition:.25s ease; overflow:hidden; }
.station-card:hover { transform:translateY(-4px); border-color:rgba(var(--accent-rgb),.35); box-shadow:var(--shadow); }
.station-top { display:flex; align-items:center; gap:15px; }
.station-logo { flex:0 0 auto; width:66px; height:66px; border-radius:16px; object-fit:cover; background:linear-gradient(135deg, rgba(var(--accent-rgb),.18), rgba(var(--accent-rgb),.05)); border:1px solid rgba(var(--accent-rgb),.1); }
.station-placeholder { display:grid; place-items:center; color:var(--accent); font-size:25px; font-weight:850; }
.station-card h3 { margin:0; font-size:18px; line-height:1.22; letter-spacing:-.025em; }
.station-location { color:var(--muted); font-size:13px; margin-top:6px; }
.station-tags { display:flex; flex-wrap:wrap; gap:7px; margin:22px 0 24px; }
.station-tags span { padding:5px 9px; color:var(--accent); background:rgba(var(--accent-rgb),.08); border-radius:999px; font-size:11px; font-weight:700; }
.station-actions { margin-top:auto; display:flex; gap:9px; }
.station-actions .btn { flex:1; }
.favorite-btn { width:42px; height:42px; border-radius:10px; border:1px solid var(--line); background:white; display:grid; place-items:center; color:var(--muted); }
.favorite-btn.active { color:var(--accent); border-color:rgba(var(--accent-rgb),.35); background:rgba(var(--accent-rgb),.07); }

.owner-section { background:linear-gradient(110deg, rgba(var(--accent-rgb),.055), rgba(var(--accent-rgb),.12)); }
.owner-wrap { text-align:center; max-width:940px; margin:auto; }
.benefit-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin:36px 0; }
.benefit { padding:25px; background:rgba(255,255,255,.82); border:1px solid rgba(255,255,255,.75); border-radius:var(--radius); }
.benefit h3 { margin:0 0 7px; font-size:18px; }
.benefit p { margin:0; color:var(--muted); font-size:14px; }

.explorer-hero { padding:68px 0 44px; background:linear-gradient(135deg, rgba(var(--accent-rgb),.025), rgba(var(--accent-rgb),.085)); }
.explorer-hero h1 { margin:0; font-size:clamp(42px,6vw,70px); letter-spacing:-.055em; line-height:1; }
.explorer-hero p { max-width:700px; margin:18px 0 0; color:var(--muted); font-size:18px; }
.filter-panel { position:relative; z-index:2; display:grid; grid-template-columns:minmax(250px,2fr) 1fr 1fr; gap:12px; padding:16px; margin-top:34px; background:white; border:1px solid var(--line); border-radius:17px; box-shadow:var(--shadow); }
.field { min-height:50px; padding:0 15px; border:1px solid var(--line); border-radius:11px; outline:0; color:var(--ink); background:white; }
.field:focus { border-color:rgba(var(--accent-rgb),.55); box-shadow:0 0 0 3px rgba(var(--accent-rgb),.09); }
.results-bar { display:flex; align-items:center; justify-content:space-between; gap:20px; margin-bottom:25px; }
.results-bar strong { font-size:20px; letter-spacing:-.02em; }
.results-bar span { color:var(--muted); font-size:14px; }
.empty-state { grid-column:1/-1; padding:60px 20px; text-align:center; color:var(--muted); border:1px dashed var(--line); border-radius:var(--radius); }

.site-footer { padding:54px 0 28px; border-top:1px solid var(--line); background:white; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr; gap:50px; }
.footer-brand p { max-width:440px; color:var(--muted); }
.footer-title { font-weight:800; margin-bottom:13px; }
.footer-links { display:grid; gap:10px; color:var(--muted); font-size:14px; }
.footer-links a:hover { color:var(--accent); }
.footer-bottom { display:flex; justify-content:space-between; gap:20px; margin-top:42px; padding-top:22px; border-top:1px solid var(--line); color:var(--muted); font-size:13px; }

.player { position:fixed; z-index:50; left:0; right:0; bottom:0; transform:translateY(110%); transition:transform .28s ease; color:var(--player-text); background:rgba(17,19,26,.97); backdrop-filter:blur(20px); border-top:1px solid rgba(255,255,255,.08); }
.player.open { transform:translateY(0); }
.player-inner { min-height:86px; display:grid; grid-template-columns:minmax(220px,1fr) auto minmax(170px,1fr); align-items:center; gap:24px; }
.player-station { display:flex; align-items:center; gap:13px; min-width:0; }
.player-logo { width:52px; height:52px; border-radius:12px; object-fit:cover; background:#252836; }
.player-info { min-width:0; }
.player-name { font-weight:750; white-space:nowrap; text-overflow:ellipsis; overflow:hidden; }
.player-meta { color:#aeb2c2; font-size:12px; white-space:nowrap; text-overflow:ellipsis; overflow:hidden; }
.player-controls { display:flex; align-items:center; gap:10px; }
.player-main-btn { width:50px; height:50px; border:0; border-radius:999px; display:grid; place-items:center; color:#fff; background:var(--accent); }
.player-main-btn svg { width:21px; height:21px; }
.player-side { display:flex; align-items:center; justify-content:flex-end; gap:11px; }
.player-side input { width:110px; accent-color:var(--accent); }
.player-close { width:36px; height:36px; display:grid; place-items:center; border:0; border-radius:9px; color:#c7cad6; background:transparent; }
.player-error { color:#ffb7b7; }

@media (max-width: 900px) {
  .nav { display:none; position:absolute; left:20px; right:20px; top:64px; padding:18px; border:1px solid var(--line); border-radius:15px; background:white; box-shadow:var(--shadow); flex-direction:column; align-items:stretch; gap:8px; }
  .nav.open { display:flex; }
  .nav a { padding:10px; }
  .menu-btn { display:grid; place-items:center; }
  .category-grid { grid-template-columns:repeat(2,1fr); }
  .station-grid { grid-template-columns:repeat(2,1fr); }
  .benefit-grid { grid-template-columns:1fr; }
  .filter-panel { grid-template-columns:1fr; }
  .player-inner { grid-template-columns:1fr auto; padding:12px 0; }
  .player-side { display:none; }
}
@media (max-width: 620px) {
  .container { width:min(calc(100% - 28px), var(--max)); }
  .hero { min-height:560px; padding:72px 0 82px; }
  .hero h1 { font-size:clamp(45px,15vw,68px); }
  .hero-search { flex-direction:column; padding:10px; }
  .hero-search input { min-height:46px; }
  .hero-search .btn { width:100%; }
  .section { padding:68px 0; }
  .section-head { display:block; }
  .section-head .text-link { display:inline-block; margin-top:18px; }
  .category-grid, .station-grid { grid-template-columns:1fr; }
  .category-card { min-height:160px; }
  .footer-grid { grid-template-columns:1fr; gap:28px; }
  .footer-bottom { flex-direction:column; }
  .player-inner { gap:12px; }
  .player-logo { width:46px; height:46px; }
  .player-main-btn { width:46px; height:46px; }
}