/* ── Hero ────────────────────────────────── */

    /* Logo SVG dentro del hero — reemplaza el inline style bloqueado por CSP */
    .hero-logo-svg {
      width: min(480px, 80%);
      height: auto;
      display: block;
      margin-bottom: 1.5rem;
    }

    /* Botón CTA del hero — tamaño mayor al default de .btn-primary */
    #hero .btn-primary {
      font-size: 0.9375rem;
      padding: 0.75rem 1.75rem;
    }

    #hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      padding: 130px 0 100px;
    }
    .hero-eyebrow {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-size: 0.6875rem;
      font-weight: 400;
      color: var(--text-3);
      letter-spacing: 0.06em;
      margin-bottom: 2.25rem;
    }
    .hero-eyebrow::before {
      content: '';
      display: block;
      width: 20px; height: 1px;
      background: var(--text-3);
      flex-shrink: 0;
    }
    .hero-tagline {
      font-size: 1rem;
      font-weight: 300;
      color: rgba(255,255,255,0.75);
      letter-spacing: 0.02em;
      margin-top: -0.5rem;
      margin-bottom: 2rem;
    }
    .timeline-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 0.375rem 0;
      margin-top: 2rem;
      margin-bottom: 0;
    }
    .timeline-strip span {
      font-size: 0.6875rem;
      font-weight: 400;
      color: var(--text-3);
      letter-spacing: 0.08em;
    }
    .timeline-strip .tl-year {
      color: var(--purple-dim);
      font-weight: 500;
    }
    .timeline-strip .tl-sep {
      color: var(--border);
      padding: 0 0.375rem;
    }
    .central-question {
      font-size: 1.0625rem;
      font-weight: 300;
      font-style: italic;
      color: var(--text-2);
      margin-top: 2rem;
      padding-top: 1.5rem;
      border-top: 1px solid var(--border-dim);
    }
    h1 {
      font-size: clamp(3.5rem, 10vw, 8.5rem);
      font-weight: 600;
      line-height: 0.95;
      letter-spacing: -0.035em;
      color: var(--text);
      margin-bottom: 1.75rem;
    }
    .hero-sub {
      font-size: 1.0625rem;
      font-weight: 300;
      color: rgba(255,255,255,0.85);
      max-width: 520px;
      line-height: 1.72;
      margin-bottom: 2.5rem;
    }
    .hero-buttons {
      display: flex;
      gap: 0.875rem;
      margin-bottom: 3.5rem;
      flex-wrap: wrap;
    }
    .hero-buttons .btn-secondary {
      background: rgba(10,10,15,0.4);
      border-color: rgba(255,255,255,0.25);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
    }
    .hero-meta {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 0.625rem;
      max-width: 660px;
    }
    .meta-card {
      padding: 0.875rem 1rem;
      border-radius: 9px;
      background: rgba(10,10,15,0.45);
      border: 1px solid rgba(255,255,255,0.12);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      transition: border-color 0.2s;
    }
    .meta-card:hover { border-color: var(--border); }
    .meta-label {
      font-size: 0.625rem;
      color: rgba(255,255,255,0.5);
      font-weight: 400;
      letter-spacing: 0.04em;
      margin-bottom: 0.3rem;
    }
    .meta-value {
      font-size: 0.8125rem;
      color: rgba(255,255,255,0.95);
      font-weight: 500;
      line-height: 1.3;
    }

    /* ── Sobre ───────────────────────────────── */
    #sobre {
      padding: 120px 0;
      border-top: 1px solid var(--border-dim);
    }
    .about-grid {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 5rem;
      align-items: start;
      margin-top: 2.5rem;
    }
    .about-text p {
      font-size: 1.0625rem;
      font-weight: 300;
      color: var(--text-2);
      line-height: 1.75;
      margin-bottom: 1.25rem;
    }
    .about-text p:last-child { margin-bottom: 0; }

    .quote-card {
      padding: 2rem 2.25rem;
      background: rgba(255,255,255,0.02);
      border: 1px solid var(--border-dim);
      border-left: 1px solid oklch(0.60 0.14 290 / 0.45);
      border-radius: 0 10px 10px 0;
    }
    .quote-mark {
      font-size: 3rem;
      line-height: 1;
      color: var(--purple-dim);
      font-weight: 600;
      margin-bottom: 0.5rem;
      font-family: Georgia, serif;
      letter-spacing: -0.02em;
    }
    .quote-text {
      font-size: 1.4375rem;
      font-weight: 300;
      font-style: italic;
      color: var(--text);
      line-height: 1.5;
      margin-bottom: 1.375rem;
      letter-spacing: -0.01em;
    }
    .quote-author {
      font-size: 0.75rem;
      color: var(--text-3);
      font-weight: 400;
      margin-bottom: 1.25rem;
    }
    .quote-author strong {
      color: var(--text-2);
      font-weight: 500;
    }
    .quote-context {
      padding-top: 1.25rem;
      border-top: 1px solid rgba(255,255,255,0.05);
      font-size: 0.8125rem;
      font-weight: 300;
      color: var(--text-3);
      line-height: 1.7;
    }

    /* ── Temas ───────────────────────────────── */
    #temas {
      padding: 120px 0;
      border-top: 1px solid var(--border-dim);
    }
    .topics-header {
      margin-bottom: 2.75rem;
    }
    .topics-header h2 { margin-top: 0.5rem; }

    .topics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1px;
      background: rgba(255,255,255,0.055);
      border: 1px solid rgba(255,255,255,0.055);
      border-radius: 12px;
      overflow: hidden;
    }
    .topic-item {
      padding: 1.625rem 1.5rem;
      background: #0c0c12;
      transition: background 0.2s;
      cursor: default;
    }
    .topic-item:hover { background: #111119; }
    .topic-num {
      font-size: 0.625rem;
      font-weight: 400;
      color: var(--purple-dim);
      margin-bottom: 0.6rem;
      font-variant-numeric: tabular-nums;
      letter-spacing: 0.04em;
    }
    .topic-name {
      font-size: 0.9375rem;
      font-weight: 500;
      color: var(--text);
      line-height: 1.3;
    }

    /* ── Programa ────────────────────────────── */
    #programa {
      padding: 120px 0;
      border-top: 1px solid var(--border-dim);
    }
    .program-header { margin-bottom: 3rem; }
    .program-header h2 { margin-top: 0.5rem; }

    .program-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2.5rem;
      align-items: start;
    }

    .phase-cards {
      display: flex;
      flex-direction: column;
      gap: 0.875rem;
    }
    .phase-card {
      padding: 1.5rem;
      background: var(--surface);
      border: 1px solid var(--border-dim);
      border-radius: 10px;
      transition: border-color 0.22s, background 0.22s;
    }
    .phase-card:hover {
      border-color: var(--border);
      background: var(--surface-hover);
    }
    .phase-num {
      font-size: 0.625rem;
      color: var(--purple-dim);
      font-weight: 500;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      margin-bottom: 0.5rem;
    }
    .phase-title {
      font-size: 0.9375rem;
      font-weight: 500;
      color: var(--text);
      margin-bottom: 0.3rem;
    }
    .phase-dur {
      font-size: 0.75rem;
      color: var(--text-3);
      font-weight: 300;
      margin-bottom: 0.625rem;
    }
    .phase-topics-list {
      font-size: 0.75rem;
      color: var(--text-3);
      font-weight: 300;
      line-height: 1.5;
    }

    /* Schedule */
    .schedule {
      display: flex;
      flex-direction: column;
    }
    .schedule-row {
      display: grid;
      grid-template-columns: 52px 1fr;
      gap: 1.25rem;
      padding: 0.875rem 0;
      border-bottom: 1px solid var(--border-dim);
      align-items: baseline;
    }
    .schedule-row:last-child { border-bottom: none; }
    .sched-time {
      font-size: 0.6875rem;
      color: var(--text-3);
      font-weight: 400;
      font-variant-numeric: tabular-nums;
      letter-spacing: 0.02em;
      padding-top: 0.1rem;
    }
    .sched-name {
      font-size: 0.875rem;
      color: var(--text-2);
      font-weight: 400;
      line-height: 1.45;
    }
    .sched-name.marker {
      color: var(--text);
      font-weight: 500;
    }
    .sched-name.break {
      color: var(--text-3);
      font-style: italic;
      font-weight: 300;
    }
    .sched-phase-dot {
      display: inline-block;
      width: 5px; height: 5px;
      border-radius: 50%;
      background: var(--purple-dim);
      margin-right: 0.5rem;
      vertical-align: middle;
      position: relative;
      top: -1px;
    }

    /* ── Ponentes ────────────────────────────── */
    #ponentes {
      padding: 120px 0;
      border-top: 1px solid var(--border-dim);
    }
    .speakers-header { margin-bottom: 3rem; }
    .speakers-header h2 { margin-top: 0.5rem; }

    .speakers-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.25rem;
    }
    .speaker-card {
      padding: 1.75rem;
      background: var(--surface);
      border: 1px solid var(--border-dim);
      border-radius: 12px;
      transition: border-color 0.22s, background 0.22s;
    }
    .speaker-card:hover {
      border-color: var(--border);
      background: var(--surface-hover);
    }
    .speaker-card.confirmed {
      border-color: oklch(0.62 0.12 290 / 0.2);
    }
    .speaker-card.confirmed:hover {
      border-color: oklch(0.62 0.12 290 / 0.35);
    }
    .speaker-avatar {
      width: 52px; height: 52px;
      border-radius: 50%;
      overflow: hidden;
      margin-bottom: 1.25rem;
      border: 1px solid var(--border-dim);
    }
    .speaker-badge {
      display: inline-block;
      font-size: 0.5625rem;
      font-weight: 500;
      letter-spacing: 0.10em;
      text-transform: uppercase;
      padding: 0.2rem 0.6rem;
      border-radius: 100px;
      margin-bottom: 0.875rem;
    }
    .badge-confirmed {
      color: var(--green);
      background: oklch(0.72 0.14 150 / 0.10);
      border: 1px solid oklch(0.72 0.14 150 / 0.22);
    }
    .badge-tba {
      color: var(--text-3);
      background: rgba(255,255,255,0.03);
      border: 1px solid var(--border-dim);
    }
    .speaker-name {
      font-size: 0.9375rem;
      font-weight: 500;
      color: var(--text);
      margin-bottom: 0.25rem;
    }
    .speaker-role {
      font-size: 0.8125rem;
      color: var(--text-3);
      font-weight: 300;
      line-height: 1.55;
    }

    /* ── CTA ─────────────────────────────────── */
    #cta {
      padding: 150px 0;
      border-top: 1px solid var(--border-dim);
      text-align: center;
      position: relative;
    }
    #cta::before {
      content: '';
      position: absolute;
      width: 560px; height: 560px;
      background: radial-gradient(circle, oklch(0.42 0.13 290 / 0.08) 0%, transparent 65%);
      top: 50%; left: 50%;
      transform: translate(-50%, -50%);
      pointer-events: none;
    }
    .cta-inner { position: relative; z-index: 1; }
    .cta-title {
      font-size: clamp(2.25rem, 5vw, 4rem);
      font-weight: 600;
      letter-spacing: -0.03em;
      color: var(--text);
      line-height: 1.1;
      margin-bottom: 1rem;
    }
    .cta-sub {
      font-size: 1.0625rem;
      font-weight: 300;
      color: var(--text-2);
      margin-bottom: 2.25rem;
    }
    .cta-meta {
      margin-top: 1.75rem;
      font-size: 0.75rem;
      color: var(--text-3);
      font-weight: 300;
      letter-spacing: 0.03em;
    }


    /* ── Hero carousel ───────────────────────────── */
    .hero-carousel {
      position: absolute;
      inset: 0;
      z-index: 0;
      overflow: hidden;
    }
    .hero-carousel__slide {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: 0;
      transition: opacity 1.2s ease;
    }
    .hero-carousel__slide.active { opacity: 0.75; }

    /* Imágenes por slide — evita inline styles bloqueados por el CSP */
    .hero-carousel__slide:nth-child(1)  { background-image: url('/uploads/01.png'); }
    .hero-carousel__slide:nth-child(2)  { background-image: url('/uploads/02.png'); }
    .hero-carousel__slide:nth-child(3)  { background-image: url('/uploads/03.png'); }
    .hero-carousel__slide:nth-child(4)  { background-image: url('/uploads/04.png'); }
    .hero-carousel__slide:nth-child(5)  { background-image: url('/uploads/05.png'); }
    .hero-carousel__slide:nth-child(6)  { background-image: url('/uploads/06.png'); }
    .hero-carousel__slide:nth-child(7)  { background-image: url('/uploads/07.png'); }
    .hero-carousel__slide:nth-child(8)  { background-image: url('/uploads/08.png'); }
    .hero-carousel__slide:nth-child(9)  { background-image: url('/uploads/09.png'); }
    .hero-carousel__slide:nth-child(10) { background-image: url('/uploads/10.png'); }
    .hero-carousel__overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(
        to bottom,
        rgba(10,10,15,0.70) 0%,
        rgba(10,10,15,0.55) 35%,
        rgba(10,10,15,0.68) 65%,
        rgba(10,10,15,0.97) 100%
      );
      z-index: 1;
    }
    #hero {
      position: relative;
      overflow: hidden;
    }
    #hero .container { z-index: 2; position: relative; }
    /* ── Mobile overrides ────────────────────── */
    @media (max-width: 860px) {
      #hero { padding: 110px 0 80px; }
      .hero-meta { grid-template-columns: repeat(2, 1fr); max-width: 100%; }
      .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
      .topics-grid { grid-template-columns: repeat(2, 1fr); }
      .program-layout { grid-template-columns: 1fr; }
      .speakers-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 480px) {
      h1 { letter-spacing: -0.025em; }
      .hero-buttons { flex-direction: column; align-items: flex-start; }
      .cta-title { letter-spacing: -0.02em; }