/* brovi.s.t Brovist online — металево-футуристична тема
   Токени: графіт/сталь на фоні, бурштиново-золотий акцент, скло+хром на панелях */

:root {
  --bg: #0c0d10;
  --bg-2: #14161b;
  --steel-1: #babec7;
  --steel-2: #6b6f79;
  --glass: rgba(255, 255, 255, 0.045);
  --glass-strong: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.14);
  --line-strong: rgba(255, 255, 255, 0.26);
  --accent: #f0b429;
  --accent-2: #ffd873;
  --accent-dim: #a97a1a;
  --ink: #f2f1ec;
  --ink-soft: #9a9ca3;
  --danger: #ff6b5e;
  --radius: 3px;
  --maxw: 1080px;
  --font-head: "DIN Condensed Fallback", "Oswald", "Arial Narrow", sans-serif;
  --font-body: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@font-face {
  font-family: "DIN Condensed Fallback";
  src: local("Bahnschrift Condensed"), local("Arial Narrow");
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(240,180,41,0.10), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 0%, rgba(255,255,255,0.05), transparent 55%);
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
}

a { color: inherit; }

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

/* ---- Top bar: brushed glass over dark ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(12, 13, 16, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img {
  height: 26px;
  display: block;
  filter: invert(1) brightness(1.5) drop-shadow(0 0 6px rgba(240,180,41,0.35));
}
.brand-tag {
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--accent-2);
  border: 1px solid var(--line-strong);
  padding: 1px 8px;
  margin-top: 2px;
  border-radius: var(--radius);
}
.nav { display: flex; gap: 24px; font-family: var(--font-head); font-size: 19px; letter-spacing: 0.02em; }
.nav a { text-decoration: none; color: var(--steel-1); border-bottom: 2px solid transparent; padding-bottom: 3px; transition: color 0.15s ease, border-color 0.15s ease; }
.nav a:hover, .nav a.active { color: var(--ink); border-bottom-color: var(--accent); }
.nav-actions { display: flex; gap: 10px; align-items: center; }

/* ---- Buttons: brushed metal ---- */
.btn {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 18px;
  letter-spacing: 0.02em;
  padding: 10px 24px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--accent-2), var(--accent-dim));
  color: #1a1300;
  text-decoration: none;
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.15s ease;
}
.btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn.outline {
  background: var(--glass);
  color: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn.outline:hover { background: var(--glass-strong); border-color: var(--accent); }
.btn.small { font-size: 15px; padding: 6px 14px; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* ---- Hero: video/metal backdrop with floating wordmark ---- */
.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  background: #08090b;
}
.hero-media .hero-bg-blur {
  position: absolute;
  inset: -6%;
  width: 112%;
  height: 112%;
  object-fit: cover;
  filter: blur(38px) saturate(120%) brightness(0.65);
  transform: scale(1.05);
}
.hero-media .metal-fallback {
  position: absolute;
  inset: -20%;
  background: conic-gradient(from 200deg at 50% 40%,
    #0c0d10, #23262d, #0c0d10, #2f2b1c, #0c0d10, #23262d, #0c0d10);
  filter: blur(40px) saturate(115%);
  animation: metalDrift 22s linear infinite;
}
@keyframes metalDrift {
  0% { transform: rotate(0deg) scale(1.15); }
  100% { transform: rotate(360deg) scale(1.15); }
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(12,13,16,0.35) 0%, rgba(12,13,16,0.55) 55%, rgba(12,13,16,0.95) 100%);
}
.hero-content { position: relative; z-index: 1; text-align: center; padding: 40px 24px; }
.hero-video-frame {
  width: clamp(150px, 22vw, 220px);
  aspect-ratio: 9 / 16;
  margin: 0 auto 26px;
  border-radius: 14px;
  padding: 3px;
  background: linear-gradient(160deg, var(--steel-1), var(--accent-2) 45%, var(--steel-2) 100%);
  box-shadow: 0 25px 60px rgba(0,0,0,0.55), 0 0 40px rgba(240,180,41,0.18);
  animation: heroFloat 6s ease-in-out infinite;
}
.hero-video-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 11px;
  display: block;
  background: #000;
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-video-frame { animation: none; }
}
.hero-logo {
  height: clamp(64px, 12vw, 132px);
  margin: 0 auto 22px;
  display: block;
  filter: invert(1) brightness(1.6) drop-shadow(0 0 22px rgba(240,180,41,0.45));
}
.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(34px, 6vw, 60px);
  line-height: 1.02;
  margin: 0 0 16px;
  letter-spacing: 0.01em;
  background: linear-gradient(180deg, #fff 0%, var(--steel-1) 55%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lede {
  font-size: 18px;
  max-width: 46ch;
  margin: 0 auto 30px;
  color: var(--steel-1);
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

/* ---- Floating glass section cards ---- */
.section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin: 48px 0;
}
@media (max-width: 640px) { .section-grid { grid-template-columns: 1fr; } }
.section-card {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 34px;
  text-decoration: none;
  color: var(--ink);
  display: block;
  backdrop-filter: blur(6px);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.section-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  background: var(--glass-strong);
  box-shadow: 0 18px 40px rgba(0,0,0,0.35), 0 0 0 1px rgba(240,180,41,0.15) inset;
}
.section-card .tag { font-family: var(--font-head); font-size: 14px; color: var(--accent-2); margin-bottom: 6px; }
.section-card h3 { font-family: var(--font-head); font-size: 32px; margin: 0 0 8px; }
.section-card p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* ---- Generic content ---- */
main { padding: 48px 0 90px; }
h2 { font-family: var(--font-head); font-size: 34px; margin: 0 0 22px; letter-spacing: 0.01em; }
.muted { color: var(--ink-soft); }

/* ---- Course / lesson cards ---- */
.course-list { display: grid; gap: 14px; }
.course-card {
  border: 1px solid var(--line);
  background: var(--glass);
  border-radius: 5px;
  padding: 20px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}
.course-card:hover { border-color: var(--accent); background: var(--glass-strong); transform: translateY(-2px); }
.course-card h4 { font-family: var(--font-head); font-size: 24px; margin: 0 0 4px; }
.course-card p { margin: 0; color: var(--ink-soft); font-size: 14px; }
.badge { font-family: var(--font-head); font-size: 13px; border: 1px solid var(--line-strong); color: var(--accent-2); padding: 2px 10px; white-space: nowrap; border-radius: var(--radius); }

.lesson-list { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
.lesson-row {
  border: 1px solid var(--line);
  background: var(--glass);
  border-radius: 4px;
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.lesson-row:hover { border-color: var(--line-strong); }
.lesson-row.active { border-color: var(--accent); background: var(--glass-strong); }
.lesson-row .num { font-family: var(--font-head); font-size: 20px; color: var(--accent-2); min-width: 28px; }
.lesson-row .title { flex: 1; font-size: 16px; }
.lesson-row .lock { font-size: 13px; color: var(--ink-soft); }
.lesson-row .lesson-check { color: var(--accent-2); font-size: 16px; }
.lesson-controls { display: none; align-items: center; gap: 14px; margin-bottom: 18px; }
.cert-banner {
  border: 1px solid var(--accent);
  background: linear-gradient(180deg, rgba(240,180,41,0.14), rgba(240,180,41,0.04));
  border-radius: 6px;
  padding: 16px 20px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.player-wrap {
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  overflow: hidden;
  background: #000;
  aspect-ratio: 16/9;
  margin-bottom: 18px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.player-wrap iframe { width: 100%; height: 100%; border: 0; display: block; }
.locked-panel {
  border: 1px dashed var(--line-strong);
  border-radius: 6px;
  background: var(--glass);
  padding: 40px 24px;
  text-align: center;
  color: var(--ink-soft);
}

/* ---- Forms ---- */
.form-panel {
  max-width: 420px;
  margin: 0 auto;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 38px 34px;
  backdrop-filter: blur(8px);
}
.form-panel h2 { text-align: left; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--ink-soft); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-size: 16px;
  font-family: var(--font-body);
  background: rgba(255,255,255,0.03);
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(240,180,41,0.15);
}
.field textarea { resize: vertical; min-height: 80px; }
.form-msg { font-size: 14px; margin-top: 14px; min-height: 18px; }
.form-msg.error { color: var(--danger); }
.form-msg.ok { color: #7fd694; }
.form-switch { margin-top: 18px; font-size: 14px; color: var(--ink-soft); }

/* ---- Admin ---- */
.admin-grid { display: grid; grid-template-columns: 320px 1fr; gap: 28px; align-items: start; }
@media (max-width: 800px) { .admin-grid { grid-template-columns: 1fr; } }
.panel { border: 1px solid var(--line); border-radius: 6px; background: var(--glass); padding: 22px; }
.panel h3 { font-family: var(--font-head); font-size: 22px; margin: 0 0 14px; }
table.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; }
table.admin-table th, table.admin-table td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); }
.row-actions { display: flex; gap: 6px; }
.row-actions button { font-size: 12px; padding: 3px 8px; }
.tabs { display: flex; gap: 6px; margin-bottom: 18px; }
.tabs button {
  font-family: var(--font-head);
  font-size: 16px;
  padding: 7px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}
.tabs button.active { background: var(--accent); color: #1a1300; border-color: var(--accent); }

footer { border-top: 1px solid var(--line); padding: 24px 0; font-size: 13px; color: var(--ink-soft); }

::selection { background: rgba(240,180,41,0.35); color: #fff; }