* {
  box-sizing: border-box;
}

:root {
  --bg: #080808;
  --card: #151515;
  --card-soft: #1f1f1f;
  --text: #f5f5f5;
  --muted: #b7b7b7;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #ffb000;
  --danger: #ff6a6a;
  --success: #79e6a3;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top right, rgba(255, 176, 0, 0.16), transparent 35%),
    linear-gradient(180deg, #111 0%, var(--bg) 45%, #050505 100%);
  color: var(--text);
}

a {
  color: inherit;
}

.hidden {
  display: none !important;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px clamp(18px, 4vw, 56px);
  background: rgba(8, 8, 8, 0.84);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 16px;
  color: #111;
  background: linear-gradient(135deg, var(--accent), #ffd46b);
  font-weight: 900;
  letter-spacing: -1px;
  box-shadow: 0 12px 28px rgba(255, 176, 0, 0.22);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

h1, h2, h3, p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(22px, 3vw, 32px);
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(32px, 6vw, 68px);
  letter-spacing: -2px;
  line-height: 0.95;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
}

.eyebrow {
  margin-bottom: 6px;
  color: var(--accent);
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.watch-button,
.ghost-button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}

.watch-button {
  border: 0;
  background: var(--accent);
  color: #111;
}

.ghost-button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.button-reset {
  color: var(--danger);
}

.hero {
  padding: clamp(40px, 8vw, 92px) clamp(18px, 4vw, 56px) clamp(30px, 6vw, 70px);
}

.hero-copy {
  max-width: 1100px;
}

.hero-copy p {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.45;
}

.event-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
  max-width: 900px;
}

.event-meta div,
.info-grid article,
.sponsors,
.control-panel {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(21, 21, 21, 0.78);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.22);
}

.event-meta div {
  padding: 18px;
}

.event-meta span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
}

.event-meta strong {
  font-size: 18px;
}

.player-section {
  padding: 0 clamp(18px, 4vw, 56px) clamp(34px, 6vw, 70px);
}

.section-title {
  margin-bottom: 18px;
}

.section-title h2 {
  font-size: clamp(28px, 4vw, 46px);
}

.section-title.compact h2 {
  font-size: clamp(26px, 3vw, 38px);
  letter-spacing: -1px;
}

.player-shell {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: #000;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

#dacast-player {
  width: 100%;
  min-height: 240px;
  background: #000;
}

#dacast-player iframe,
#dacast-player video {
  max-width: 100%;
}

.player-loading {
  display: grid;
  place-items: center;
  min-height: 270px;
  color: var(--muted);
}

.support-note {
  margin: 14px 2px 0;
  color: var(--muted);
  line-height: 1.55;
}

.replay-block {
  margin-top: 16px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 0 clamp(18px, 4vw, 56px) clamp(34px, 6vw, 70px);
}

.info-grid article {
  padding: 22px;
}

.info-grid p {
  color: var(--muted);
  line-height: 1.55;
}

.sponsors {
  margin: 0 clamp(18px, 4vw, 56px) clamp(34px, 6vw, 70px);
  padding: 24px;
}

.sponsor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sponsor-list span {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--card-soft);
  color: var(--text);
  font-weight: 700;
}

footer {
  padding: 26px clamp(18px, 4vw, 56px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.control-main {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.8fr);
  gap: 18px;
  padding: clamp(18px, 4vw, 56px);
  align-items: start;
}

.control-panel {
  padding: clamp(18px, 3vw, 32px);
}

.preview-panel {
  position: sticky;
  top: 100px;
}

fieldset {
  margin: 0 0 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
}

legend {
  padding: 0 8px;
  color: var(--accent);
  font-weight: 900;
}

label {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--text);
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.32);
  color: var(--text);
  font: inherit;
  font-weight: 400;
  padding: 12px 14px;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: rgba(255, 176, 0, 0.8);
  box-shadow: 0 0 0 3px rgba(255, 176, 0, 0.12);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
}

.checkbox-label input {
  width: auto;
}

.field-help {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.control-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.status-message {
  min-height: 24px;
  margin: 16px 0 0;
  color: var(--muted);
  font-weight: 800;
}

.status-message.success {
  color: var(--success);
}

.status-message.error {
  color: var(--danger);
}

.preview-meta {
  grid-template-columns: 1fr;
}

@media (max-width: 900px) {
  .site-header {
    position: static;
  }

  .event-meta,
  .info-grid,
  .control-main,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .preview-panel {
    position: static;
  }

  h2 {
    letter-spacing: -1px;
  }
}

@media (max-width: 620px) {
  .header-actions {
    display: none;
  }

  .control-actions {
    display: grid;
  }
}