/* =========================================================
   MODELO WEB RADIO/TV — Design system "Sinal" (broadcast/on-air)
   Paleta: tinta noturna + amber de sinal + vermelho ao-vivo
   Tipografia: Oswald (display condensada) + Inter (corpo) + JetBrains Mono (dados)
   ========================================================= */

:root{
  --bg:        #0B0F1A;
  --surface:   #141B2E;
  --surface-2: #1B2440;
  --line:      rgba(255,255,255,.08);
  --text:      #F4F6FB;
  --muted:     #8C93A8;
  --amber:     #FF9F1C;
  --amber-ink: #1A1300;
  --live:      #E63950;
  --good:      #3DDC97;
  --radius:    14px;
  --radius-sm: 8px;
  --maxw:      1180px;
  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0; background: var(--bg); color: var(--text);
  font-family: var(--font-body); line-height:1.55; -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color: var(--amber); text-decoration:none; }
a:hover{ text-decoration:underline; }
button{ font-family: inherit; }
.container{ max-width: var(--maxw); margin:0 auto; padding: 0 20px; }
:focus-visible{ outline: 3px solid var(--amber); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

/* ---------- Header / Nav ---------- */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(11,15,26,.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .container{ display:flex; align-items:center; justify-content:space-between; height:72px; }
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:40px; width:auto; border-radius:6px; }
.brand-name{ font-family: var(--font-display); font-size:1.3rem; letter-spacing:.02em; text-transform:uppercase; }
.main-nav ul{ display:flex; gap:28px; list-style:none; margin:0; padding:0; }
.main-nav a{ color: var(--text); font-weight:600; font-size:.92rem; letter-spacing:.02em; }
.main-nav a:hover{ color: var(--amber); text-decoration:none; }
.nav-toggle{ display:none; background:none; border:1px solid var(--line); color:var(--text); border-radius:8px; padding:8px 10px; cursor:pointer; }

@media (max-width: 860px){
  .nav-toggle{ display:block; }
  .main-nav{
    position:fixed; inset: 72px 0 0 0; background: var(--bg);
    transform: translateY(-110%); transition: transform .25s ease;
    border-top: 1px solid var(--line); overflow-y:auto;
  }
  .main-nav.open{ transform: translateY(0); }
  .main-nav ul{ flex-direction:column; padding: 24px 20px; gap:18px; }
  .main-nav a{ font-size:1.1rem; display:block; padding:10px 0; border-bottom:1px solid var(--line); }
}

/* ---------- Waveform signature element ---------- */
.waveform{ display:inline-flex; align-items:center; gap:3px; height:18px; }
.waveform span{
  width:3px; background: var(--amber); border-radius:2px;
  animation: wf 1.1s ease-in-out infinite;
}
.waveform span:nth-child(1){ height:40%; animation-delay:0s; }
.waveform span:nth-child(2){ height:100%; animation-delay:.15s; }
.waveform span:nth-child(3){ height:60%; animation-delay:.3s; }
.waveform span:nth-child(4){ height:90%; animation-delay:.45s; }
.waveform span:nth-child(5){ height:50%; animation-delay:.6s; }
@keyframes wf{ 0%,100%{ transform: scaleY(.4); } 50%{ transform: scaleY(1); } }
.waveform.paused span{ animation-play-state: paused; transform: scaleY(.3); }

.section-divider{ height:34px; opacity:.5; }

/* ---------- Hero / Player ---------- */
.hero-player{
  position:relative; overflow:hidden;
  background: radial-gradient(circle at 18% 20%, var(--surface-2), var(--bg) 70%);
  padding: 56px 0 64px;
}
.hero-grid{ display:flex; gap:40px; align-items:center; flex-wrap:wrap; }
.cover-frame{
  width:220px; height:220px; border-radius: var(--radius); overflow:hidden; flex-shrink:0;
  border:1px solid var(--line); box-shadow: 0 30px 60px -20px rgba(0,0,0,.6);
  background: var(--surface);
}
.cover-frame img{ width:100%; height:100%; object-fit:cover; }
.player-info{ flex:1; min-width:240px; }
.live-badge{
  display:inline-flex; align-items:center; gap:8px; background: rgba(230,57,80,.12);
  border:1px solid var(--live); color:#ffb9c2; padding:5px 12px; border-radius:999px;
  font-size:.75rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; margin-bottom:16px;
}
.live-dot{ width:8px; height:8px; border-radius:50%; background: var(--live); animation: pulse 1.4s infinite; }
@keyframes pulse{ 0%,100%{ opacity:1; } 50%{ opacity:.35; } }

.station-name{ font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3rem); text-transform:uppercase; margin:0 0 6px; letter-spacing:.01em; }
.now-playing{ font-family: var(--font-mono); color: var(--muted); font-size:.95rem; margin-bottom:22px; min-height:1.4em; }
.now-playing strong{ color: var(--text); }

.player-controls{ display:flex; align-items:center; gap:18px; }
.play-btn{
  width:64px; height:64px; border-radius:50%; border:none; background: var(--amber); color: var(--amber-ink);
  font-size:1.5rem; cursor:pointer; display:flex; align-items:center; justify-content:center;
  box-shadow: 0 10px 30px -8px rgba(255,159,28,.5);
}
.play-btn:hover{ filter:brightness(1.07); }
.volume-row{ display:flex; align-items:center; gap:10px; color:var(--muted); }
.volume-row input[type=range]{ width:120px; accent-color: var(--amber); }

/* ---------- Generic section ---------- */
.section{ padding: 56px 0; }
.section-head{ display:flex; align-items:baseline; justify-content:space-between; gap:16px; margin-bottom:28px; flex-wrap:wrap; }
.section-title{ font-family: var(--font-display); font-size:1.7rem; text-transform:uppercase; letter-spacing:.02em; margin:0; }
.section-title .waveform{ margin-right:10px; vertical-align:middle; }
.section-sub{ color: var(--muted); font-size:.9rem; margin:0; }

/* ---------- Web TV ---------- */
.tv-frame{ position:relative; width:100%; padding-top:56.25%; background:#000; border-radius: var(--radius); overflow:hidden; border:1px solid var(--line); }
.tv-frame video, .tv-frame iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; }

/* ---------- Sponsors carousel ---------- */
.sponsors-track{ display:flex; gap:18px; overflow-x:auto; padding-bottom:10px; scroll-snap-type:x mandatory; }
.sponsors-track::-webkit-scrollbar{ height:6px; }
.sponsors-track::-webkit-scrollbar-thumb{ background: var(--line); border-radius:6px; }
.sponsor-card{
  flex: 0 0 160px; height:100px; background: var(--surface); border:1px solid var(--line);
  border-radius: var(--radius-sm); display:flex; align-items:center; justify-content:center;
  padding:14px; scroll-snap-align:start;
}
.sponsor-card img{ max-height:100%; max-width:100%; object-fit:contain; filter:grayscale(.15); }
.sponsor-card:hover img{ filter:none; }

/* ---------- News grid ---------- */
.news-grid{ display:grid; grid-template-columns:repeat(auto-fill, minmax(260px,1fr)); gap:22px; }
.news-card{ background: var(--surface); border:1px solid var(--line); border-radius: var(--radius); overflow:hidden; display:flex; flex-direction:column; }
.news-card img{ width:100%; height:150px; object-fit:cover; }
.news-card-body{ padding:16px; flex:1; display:flex; flex-direction:column; }
.news-source{ font-family: var(--font-mono); font-size:.7rem; color: var(--amber); text-transform:uppercase; letter-spacing:.06em; margin-bottom:8px; }
.news-title{ font-size:1rem; font-weight:700; margin:0 0 10px; line-height:1.35; }
.news-meta{ margin-top:auto; font-size:.78rem; color: var(--muted); }

/* ---------- Poll ---------- */
.poll-card{ background: var(--surface); border:1px solid var(--line); border-radius: var(--radius); padding:24px; max-width:560px; }
.poll-question{ font-weight:700; font-size:1.1rem; margin:0 0 18px; }
.poll-option{ display:block; width:100%; text-align:left; background:var(--surface-2); border:1px solid var(--line); color:var(--text); padding:12px 14px; border-radius:var(--radius-sm); margin-bottom:10px; cursor:pointer; position:relative; overflow:hidden; }
.poll-option:hover{ border-color: var(--amber); }
.poll-bar{ position:absolute; inset:0; background: rgba(255,159,28,.18); z-index:0; transition: width .4s ease; }
.poll-option span{ position:relative; z-index:1; display:flex; justify-content:space-between; }
.poll-voted-note{ color:var(--good); font-size:.85rem; margin-top:10px; }

/* ---------- Chat & Recados ---------- */
.panel-card{ background: var(--surface); border:1px solid var(--line); border-radius: var(--radius); padding:20px; }
.msg-list{ max-height:340px; overflow-y:auto; display:flex; flex-direction:column; gap:10px; margin-bottom:16px; padding-right:4px; }
.msg-item{ background: var(--surface-2); border-radius: var(--radius-sm); padding:10px 12px; font-size:.9rem; }
.msg-item .msg-name{ color: var(--amber); font-weight:700; font-size:.78rem; }
.msg-item .msg-time{ color: var(--muted); font-size:.7rem; float:right; }
.msg-form{ display:flex; gap:10px; flex-wrap:wrap; }
.msg-form input[type=text]{ flex:1; min-width:140px; }
input[type=text], input[type=email], input[type=tel], textarea, select{
  background:#0E1424; border:1px solid var(--line); color:var(--text);
  padding:10px 12px; border-radius: var(--radius-sm); font-family: var(--font-body); font-size:.92rem;
}
textarea{ width:100%; resize:vertical; min-height:90px; }
.btn{ background: var(--amber); color: var(--amber-ink); border:none; padding:10px 18px; border-radius: var(--radius-sm); font-weight:700; cursor:pointer; }
.btn:hover{ filter:brightness(1.08); }
.btn-outline{ background:transparent; border:1px solid var(--line); color:var(--text); }

/* ---------- Two column layout for home blocks ---------- */
.cols-2{ display:grid; grid-template-columns: 1.3fr 1fr; gap:28px; align-items:start; }
@media (max-width: 900px){ .cols-2{ grid-template-columns: 1fr; } }

/* ---------- Schedule (programacao) ---------- */
.schedule-table{ width:100%; border-collapse:collapse; }
.schedule-table th, .schedule-table td{ padding:12px 10px; border-bottom:1px solid var(--line); text-align:left; font-size:.9rem; }
.schedule-table th{ color: var(--muted); font-weight:600; text-transform:uppercase; font-size:.72rem; letter-spacing:.05em; }
.program-name{ font-weight:700; }
@media (max-width:700px){
  .schedule-table thead{ display:none; }
  .schedule-table tr{ display:block; border-bottom:1px solid var(--line); padding:10px 0; }
  .schedule-table td{ display:flex; justify-content:space-between; border-bottom:none; padding:4px 0; }
  .schedule-table td::before{ content: attr(data-label); color:var(--muted); font-size:.75rem; }
}

/* ---------- Gallery ---------- */
.gallery-grid{ display:grid; grid-template-columns:repeat(auto-fill, minmax(220px,1fr)); gap:16px; }
.gallery-item{ border-radius: var(--radius-sm); overflow:hidden; aspect-ratio:4/3; background:var(--surface); }
.gallery-item img, .gallery-item video{ width:100%; height:100%; object-fit:cover; }

/* ---------- Generic page content (quem somos / contato) ---------- */
.page-content{ max-width:760px; }
.page-content h1{ font-family: var(--font-display); font-size:2.1rem; text-transform:uppercase; }
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:32px; }
@media (max-width:760px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-item{ margin-bottom:14px; }
.contact-item .label{ color: var(--muted); font-size:.75rem; text-transform:uppercase; letter-spacing:.05em; }

/* ---------- App download badges ---------- */
.app-badges{ display:flex; gap:14px; flex-wrap:wrap; margin-top:18px; }
.app-badges a{ border:1px solid var(--line); border-radius: var(--radius-sm); padding:10px 16px; font-size:.85rem; color:var(--text); }
.app-badges a:hover{ border-color: var(--amber); text-decoration:none; }

/* ---------- Footer ---------- */
.site-footer{ border-top:1px solid var(--line); padding:40px 0; margin-top:40px; color: var(--muted); font-size:.85rem; }
.footer-grid{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:24px; }
.social-row{ display:flex; gap:14px; }
.social-row a{ color: var(--text); border:1px solid var(--line); border-radius:50%; width:38px; height:38px; display:flex; align-items:center; justify-content:center; }
.social-row a:hover{ border-color: var(--amber); text-decoration:none; }

/* ---------- Empty states ---------- */
.empty-state{ color: var(--muted); font-size:.9rem; padding:24px; text-align:center; border:1px dashed var(--line); border-radius: var(--radius); }