/* ========================================
   OPERACIÓN CENTAURO
   ======================================== */

:root {
  --oc-gold:   #c8964e;
  --oc-dark:   #0a0a0a;
  --oc-card:   rgba(255,255,255,0.03);
  --oc-border: rgba(255,255,255,0.07);
}

/* Esta página no usa el rojo de marca — paleta gris / negro / dorado */
.oc-hero .accent,
.oc-about .accent,
.oc-pillars .accent,
.oc-cta .accent { color: var(--oc-gold); }

.oc-hero .section-tag,
.oc-about .section-tag,
.oc-pillars .section-tag,
.oc-chain .section-tag,
.oc-videos .section-tag,
.oc-gallery .section-tag,
.oc-cta .section-tag,
.qs-zone .section-tag { color: var(--oc-gold); }

.oc-gallery .ev-op-link i { color: var(--oc-gold); }
.oc-gallery .ev-op-link:hover { border-color: var(--oc-gold); color: var(--oc-gold); background: rgba(200,150,78,0.08); }

/* ---------- Hero ---------- */
.oc-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background-color: var(--oc-dark);
  text-align: center;
  padding: 140px 20px 80px;
}

.oc-hero-bg {
  position: absolute;
  inset: -20px;
  z-index: 0;
  background-image: url('../img/eventos_operaciones/CENTAURO/centauro-hero-bg.webp');
  background-size: cover;
  background-position: center 25%;
  animation: oc-kenburns 24s ease-in-out infinite alternate;
}

@keyframes oc-kenburns {
  0%   { transform: scale(1) translate(0, 0); }
  100% { transform: scale(1.1) translate(-1%, -1%); }
}

.oc-hero-video {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.oc-hero-grain {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0.05;
  mix-blend-mode: overlay;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.oc-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10,10,10,0.65) 0%,
    rgba(10,10,10,0.45) 45%,
    rgba(10,10,10,0.92) 100%
  );
  z-index: 3;
}

.oc-hero-content {
  position: relative;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  max-width: 820px;
  margin: 0 auto;
}

@media (max-width: 700px), (prefers-reduced-motion: reduce) {
  .oc-hero-video { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .oc-hero-bg { animation: none; }
}

.oc-hero-logo {
  width: min(220px, 45vw);
  height: auto;
  filter: drop-shadow(0 4px 24px rgba(0,0,0,0.8));
  margin-bottom: 6px;
}

.oc-hero-content h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.02;
  text-shadow: 0 4px 24px rgba(0,0,0,0.85);
}

.oc-hero-edition {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--oc-gold);
  text-transform: uppercase;
}

.oc-hero-edition::before,
.oc-hero-edition::after {
  content: '';
  width: 28px;
  height: 1px;
  background: rgba(200,150,78,0.5);
}

.oc-hero-tag {
  font-size: clamp(0.875rem, 1.8vw, 1.025rem);
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.82);
  margin: 0;
  text-shadow: 0 2px 12px rgba(0,0,0,0.9);
}

.oc-hero-location {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.925rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.72);
  text-shadow: 0 2px 10px rgba(0,0,0,0.9);
}

.oc-hero-location i { color: var(--oc-gold); font-size: 0.825rem; }

.oc-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #1c1c1c, #000);
  border: 1px solid var(--oc-gold);
  color: #fff;
  font-size: 1.025rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 14px 34px;
  border-radius: 4px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 28px rgba(0,0,0,0.5);
  margin-top: 8px;
  animation: oc-btn-pulse 2.8s ease-in-out infinite;
}

@keyframes oc-btn-pulse {
  0%, 100% { box-shadow: 0 4px 28px rgba(0,0,0,0.5), 0 0 0 rgba(200,150,78,0); }
  50%      { box-shadow: 0 4px 28px rgba(0,0,0,0.5), 0 0 22px rgba(200,150,78,0.4); }
}

.oc-btn:hover {
  background: var(--oc-gold);
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(200,150,78,0.35);
  text-decoration: none;
  animation-play-state: paused;
}

@media (prefers-reduced-motion: reduce) {
  .oc-btn { animation: none; }
}

.oc-btn i { color: var(--oc-gold); transition: color 0.2s; }
.oc-btn:hover i { color: #000; }

.oc-btn-lg { font-size: 1.125rem; padding: 18px 48px; }

/* ---------- Countdown ---------- */
.oc-countdown {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin: 4px 0 2px;
}

.oc-countdown-caption {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  text-shadow: 0 2px 10px rgba(0,0,0,0.9);
}

.oc-countdown-row {
  display: flex;
  gap: 10px;
}

.oc-countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 64px;
  padding: 10px 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(200,150,78,0.3);
  border-radius: 8px;
  backdrop-filter: blur(3px);
  animation: oc-countdown-glow 3s ease-in-out infinite;
}

.oc-countdown-item:nth-child(2) { animation-delay: 0.2s; }
.oc-countdown-item:nth-child(3) { animation-delay: 0.4s; }
.oc-countdown-item:nth-child(4) { animation-delay: 0.6s; }

@keyframes oc-countdown-glow {
  0%, 100% { box-shadow: 0 0 0 rgba(200,150,78,0); }
  50%      { box-shadow: 0 0 16px rgba(200,150,78,0.25); }
}

.oc-countdown-num {
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  font-weight: 900;
  color: var(--oc-gold);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.oc-countdown-lbl {
  margin-top: 5px;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}

@media (max-width: 600px) {
  .oc-countdown-item { min-width: 52px; padding: 8px 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .oc-countdown-item { animation: none; }
}

.oc-hero-note {
  font-size: 0.845rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.05em;
  margin: 0;
  text-shadow: 0 1px 8px rgba(0,0,0,0.9);
}

.oc-scroll-cue {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.4);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: oc-bounce 2.2s ease-in-out infinite;
}

.oc-scroll-cue i { color: var(--oc-gold); font-size: 0.95rem; }

@keyframes oc-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.7; }
  50%      { transform: translateX(-50%) translateY(8px); opacity: 1; }
}

/* ---------- Franja de estadísticas ---------- */
.oc-stats {
  border-top: 1px solid var(--oc-border);
  border-bottom: 1px solid var(--oc-border);
  background: linear-gradient(180deg, rgba(200,150,78,0.05), transparent 60%);
}

.oc-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.oc-stat {
  text-align: center;
  padding: 36px 16px;
  border-right: 1px solid var(--oc-border);
}

.oc-stat:last-child { border-right: none; }

.oc-stat-num {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 900;
  color: var(--oc-gold);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.oc-stat-lbl {
  display: block;
  margin-top: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}

/* ---------- Banner cinematográfico ---------- */
.oc-banner {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-image: url('../img/eventos_operaciones/CENTAURO/centauro-banner-bg.webp');
  background-size: cover;
  background-position: center 30%;
  background-attachment: fixed;
  overflow: hidden;
  border-top: 1px solid var(--oc-border);
  border-bottom: 1px solid var(--oc-border);
}

.oc-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5,5,5,0.88) 0%, rgba(5,5,5,0.55) 45%, rgba(5,5,5,0.88) 100%);
}

.oc-banner-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  padding: 0 24px;
}

.oc-banner-tag {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--oc-gold);
  margin-bottom: 14px;
}

.oc-banner-inner h2 {
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  font-weight: 900;
  line-height: 1.2;
  color: #fff;
  text-shadow: 0 4px 24px rgba(0,0,0,0.9);
}

@media (max-width: 700px) {
  .oc-banner { background-attachment: scroll; min-height: 320px; }
}

/* ---------- Sponsors: ribbon oficial ---------- */
.oc-sponsor-card {
  position: relative;
  overflow: hidden;
}

.oc-sponsor-card::before {
  content: 'OFICIAL';
  position: absolute;
  top: 10px;
  right: -30px;
  transform: rotate(45deg);
  background: var(--oc-gold);
  color: #000;
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 2px 32px;
}

/* ---------- Galería: overlay con nombre ---------- */
.oc-gallery-item {
  position: relative;
  flex: 0 0 auto;
  scroll-snap-align: start;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 12px 48px rgba(0,0,0,0.55);
  border: 1px solid rgba(255,255,255,0.07);
}

.oc-gallery-item img {
  display: block;
  width: 260px;
  height: 340px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.oc-gallery-item:hover img { transform: scale(1.06); }

.oc-gallery-item-cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 20px 14px 12px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.85));
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* ---------- About ---------- */
.oc-about {
  padding: 88px 0;
  border-top: 1px solid var(--oc-border);
}

.oc-about-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 64px;
  align-items: start;
}

.oc-about-text h2 {
  font-size: clamp(2.025rem, 3.5vw, 2.825rem);
  font-weight: 900;
  margin: 8px 0 22px;
  line-height: 1.05;
}

.oc-about-text p {
  font-size: 1.075rem;
  color: rgba(255,255,255,0.62);
  line-height: 1.78;
  margin-bottom: 16px;
}

.oc-about-aside {
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: sticky;
  top: 80px;
}

.oc-info-card {
  background: var(--oc-card);
  border: 1px solid var(--oc-border);
  border-left: 3px solid var(--oc-gold);
  border-radius: 6px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.oc-info-card > i {
  color: var(--oc-gold);
  font-size: 1.005rem;
  margin-bottom: 4px;
}

.oc-info-label {
  font-size: 0.755rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
}

.oc-info-val {
  font-size: 1.025rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.45;
}

.oc-info-val small {
  font-size: 0.905rem;
  color: rgba(255,255,255,0.45);
  font-weight: 400;
  display: block;
}

/* ---------- Pilares ---------- */
.oc-pillars {
  padding: 88px 0;
  background: rgba(255,255,255,0.015);
  border-top: 1px solid var(--oc-border);
  border-bottom: 1px solid var(--oc-border);
}

.oc-section-head {
  text-align: center;
  margin-bottom: 56px;
}

.oc-section-head h2 {
  font-size: clamp(2.025rem, 3.5vw, 2.825rem);
  font-weight: 900;
  margin: 8px 0 0;
}

.oc-pillars-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.oc-pillar {
  flex: 0 1 calc((100% - 40px) / 3);
}

.oc-pillar {
  background: var(--oc-card);
  border: 1px solid var(--oc-border);
  border-top: 3px solid var(--oc-gold);
  border-radius: 10px;
  padding: 30px 24px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.oc-pillar:hover {
  transform: translateY(-5px);
  border-color: rgba(200,150,78,0.4);
  box-shadow: 0 18px 52px rgba(0,0,0,0.55), 0 0 32px rgba(200,150,78,0.12);
}

.oc-pillar:hover .oc-pillar-icon {
  background: rgba(200,150,78,0.2);
  border-color: rgba(200,150,78,0.5);
}

.oc-pillar-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(200,150,78,0.12);
  border: 1px solid rgba(200,150,78,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--oc-gold);
  margin-bottom: 18px;
  transition: background 0.3s, border-color 0.3s;
}

.oc-pillar h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0 0 10px;
  line-height: 1.25;
}

.oc-pillar p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.58);
  line-height: 1.65;
  margin: 0;
}

/* ---------- Línea de tiempo 30-36h ---------- */
.oc-timeline-wrap {
  margin-top: 56px;
  background: rgba(5,5,5,0.6);
  border: 1px solid var(--oc-border);
  border-radius: 14px;
  padding: 36px 28px;
}

.oc-timeline-caps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--oc-gold);
  margin-bottom: 32px;
  flex-wrap: wrap;
  text-align: center;
}

.oc-timeline-caps i { color: rgba(255,255,255,0.25); font-size: 0.75rem; }

.oc-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}

.oc-timeline::before {
  content: '';
  position: absolute;
  top: 9px;
  left: 8%;
  right: 8%;
  height: 1px;
  background: repeating-linear-gradient(to right, var(--oc-gold) 0 6px, transparent 6px 12px);
}

.oc-timeline-step {
  position: relative;
  text-align: center;
  padding-top: 30px;
}

.oc-timeline-step::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--oc-dark);
  border: 2px solid var(--oc-gold);
}

.oc-timeline-step h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 6px;
}

.oc-timeline-step p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.5;
  margin: 0;
}

/* ---------- Cadena de mando ---------- */
.oc-chain {
  padding: 88px 0;
}

.oc-chain-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}

.oc-chain-table th {
  text-align: left;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--oc-gold);
  padding: 0 0 14px;
  border-bottom: 1px solid var(--oc-border);
}

.oc-chain-table td {
  padding: 18px 0;
  border-bottom: 1px solid var(--oc-border);
  vertical-align: top;
}

.oc-chain-table td:first-child {
  font-weight: 800;
  color: #fff;
  white-space: nowrap;
  padding-right: 24px;
  width: 260px;
}

.oc-chain-table td:last-child {
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
  font-size: 0.95rem;
}

.oc-chain-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 28px;
  padding: 16px 18px;
  background: var(--oc-card);
  border: 1px solid var(--oc-border);
  border-left: 3px solid var(--oc-gold);
  border-radius: 6px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}

.oc-chain-note i { color: var(--oc-gold); margin-top: 3px; }

/* ---------- Cita final ---------- */
.oc-quote {
  padding: 72px 0;
  border-top: 1px solid var(--oc-border);
  border-bottom: 1px solid var(--oc-border);
  background: rgba(255,255,255,0.015);
}

.oc-quote blockquote {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  font-style: italic;
  font-weight: 500;
  line-height: 1.65;
  color: rgba(255,255,255,0.85);
  position: relative;
}

.oc-quote blockquote strong {
  color: var(--oc-gold);
  font-style: normal;
}

.oc-quote i.oc-quote-mark {
  display: block;
  font-size: 1.6rem;
  color: var(--oc-gold);
  opacity: 0.6;
  margin-bottom: 16px;
}

/* ---------- Spotlight (K9 / Comunidad) ---------- */
.oc-spotlight-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--bg-2);
}

.oc-spotlight-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.oc-spotlight-img:hover img { transform: scale(1.04); }

.oc-spotlight-img--contain {
  aspect-ratio: 1/1;
  background: transparent;
}

.oc-spotlight-img--contain img {
  object-fit: contain;
}

/* ---------- Sponsors ---------- */
.oc-sponsors {
  padding: 72px 0;
  background: var(--bg);
}

.oc-sponsors .container { text-align: center; }

.oc-sponsors-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 32px;
}

.oc-sponsors-row {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.oc-sponsor-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--oc-card);
  border: 1px solid var(--oc-border);
  border-radius: 10px;
  padding: 20px 32px;
  min-width: 240px;
}

.oc-sponsor-card i {
  font-size: 1.6rem;
  color: var(--oc-gold);
}

.oc-sponsor-name {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #fff;
  text-align: left;
}

.oc-sponsor-name small {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}

/* ---------- Vídeos ---------- */
.oc-videos {
  padding: 88px 0;
  border-bottom: 1px solid var(--oc-border);
}

.oc-videos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.oc-video-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.oc-video-frame {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 16/10;
  background: #000;
  border: 2px solid var(--oc-gold);
  box-shadow: 0 12px 48px rgba(0,0,0,0.55), 0 0 0 1px rgba(200,150,78,0.15);
  transition: box-shadow 0.3s;
}

.oc-video-frame:hover {
  box-shadow: 0 12px 48px rgba(0,0,0,0.55), 0 0 32px rgba(200,150,78,0.35);
}

.oc-video-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.oc-video-quote {
  font-size: 0.92rem;
  font-style: italic;
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  text-align: center;
  line-height: 1.5;
  margin: 0;
  padding: 0 8px;
}

.oc-videos-credit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 40px;
  color: rgba(255,255,255,0.35);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.oc-videos-credit img {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  opacity: 0.85;
}

@media (max-width: 900px) {
  .oc-videos-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
}

/* ---------- Galería ---------- */
.oc-gallery {
  padding: 88px 0;
  border-bottom: 1px solid var(--oc-border);
}

.oc-gallery-track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 12px;
}

.oc-gallery-track::-webkit-scrollbar { height: 6px; }
.oc-gallery-track::-webkit-scrollbar-thumb { background: var(--oc-border); border-radius: 4px; }


/* ---------- CTA final ---------- */
.oc-cta {
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.oc-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 50%, rgba(200,150,78,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.oc-cta-inner { position: relative; z-index: 1; }

.oc-cta h2 {
  font-size: clamp(2.125rem, 4vw, 3.325rem);
  font-weight: 900;
  margin: 8px 0 22px;
  line-height: 1.05;
}

.oc-cta-text {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.58);
  line-height: 1.78;
  max-width: 560px;
  margin: 0 auto 40px;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .oc-about-grid { grid-template-columns: 1fr; gap: 40px; }
  .oc-about-aside { position: static; display: grid; grid-template-columns: repeat(2, 1fr); }
  .oc-pillar { flex-basis: calc((100% - 20px) / 2); }
}

@media (max-width: 700px) {
  .oc-timeline { grid-template-columns: 1fr; gap: 28px; }
  .oc-timeline::before { display: none; }
  .oc-chain-table td:first-child { white-space: normal; width: auto; }
}

@media (max-width: 600px) {
  .oc-hero { padding: 110px 20px 64px; min-height: auto; }
  .oc-scroll-cue { display: none; }
  .oc-about-aside { grid-template-columns: 1fr; }
  .oc-pillar { flex-basis: 100%; }
  .oc-btn-lg { padding: 16px 28px; font-size: 1.025rem; }
  .oc-sponsor-card { min-width: 0; width: 100%; }
  .oc-gallery-item img { width: 200px; height: 260px; }
  .oc-gallery .container { text-align: center; }
  .oc-stats-row { grid-template-columns: repeat(2, 1fr); }
  .oc-stat { border-right: none; border-bottom: none; }
  .oc-stat:nth-child(1), .oc-stat:nth-child(2) { border-bottom: 1px solid var(--oc-border); }
  .oc-banner-inner h2 { font-size: 1.5rem; }
  .oc-chain-table { display: block; }
  .oc-chain-table thead { display: none; }
  .oc-chain-table tbody, .oc-chain-table tr { display: block; }
  .oc-chain-table td { display: block; padding: 4px 0; border: none; }
  .oc-chain-table tr { padding-bottom: 18px; border-bottom: 1px solid var(--oc-border); margin-bottom: 18px; }
}