/* Reset & Base */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    :root {
      --primary: #1e5f8a;
      --primary-foreground: #ffffff;
      --accent: #2a9d6c;
      --accent-light: rgba(42, 157, 108, 0.15);
      --background: #f0f7fa;
      --foreground: #1a3a4a;
      --card: #ffffff;
      --card-foreground: #1a3a4a;
      --muted: #e8f1f5;
      --muted-foreground: #5a7a8a;
      --border: #cde0e8;
      --radius: 12px;
    }

    body {
      font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
      background-color: var(--background);
      color: var(--foreground);
      line-height: 1.6;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 1rem;
    }

    /* Hero Section */
    .hero {
      position: relative;
      height: 50vh;
      min-height: 350px;
      overflow: hidden;
      background: linear-gradient(135deg, #1e5f8a 0%, #2a9d6c 50%, #1e5f8a 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: white;
    }

    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><text y="50" font-size="80" opacity="0.1">🐟</text></svg>') repeat;
      background-size: 100px;
      animation: swim 20s linear infinite;
    }

    @keyframes swim {
      0% { background-position: 0 0; }
      100% { background-position: 200px 100px; }
    }

    @keyframes bounce {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-15px); }
    }

    .hero-content {
      position: relative;
      z-index: 1;
      padding: 2rem;
    }

    .hero-emoji {
      font-size: 4rem;
      animation: bounce 2s ease-in-out infinite;
      display: block;
      margin-bottom: 1rem;
    }

    .hero h1 {
      font-size: clamp(1.8rem, 5vw, 3.5rem);
      font-weight: 800;
      margin-bottom: 0.5rem;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    }

    .hero-subtitle {
      font-size: clamp(1.2rem, 3vw, 1.8rem);
      opacity: 0.95;
      margin-bottom: 1.5rem;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: rgba(255,255,255,0.2);
      backdrop-filter: blur(10px);
      padding: 0.6rem 1.2rem;
      border-radius: 50px;
      font-size: 0.9rem;
    }

    /* Main Content */
    main {
      padding: 3rem 0;
    }

    section {
      margin-bottom: 4rem;
    }

    .section-header {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 1.5rem;
    }

    .section-header span {
      font-size: 2rem;
    }

    .section-header h2 {
      font-size: clamp(1.4rem, 3vw, 1.8rem);
      font-weight: 700;
      color: var(--foreground);
    }

    /* Cards */
    .card {
      background: var(--card);
      border-radius: var(--radius);
      border: 1px solid var(--border);
      box-shadow: 0 2px 8px rgba(0,0,0,0.05);
      transition: all 0.3s ease;
    }

    .card:hover {
      box-shadow: 0 8px 25px rgba(0,0,0,0.1);
      transform: translateY(-2px);
    }

    .card-header {
      padding: 1rem 1.25rem 0.5rem;
      font-weight: 600;
      font-size: 1.1rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .card-content {
      padding: 1rem 1.25rem 1.25rem;
    }

    /* Grid Layouts */
    .grid-5 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
    }

    @media (min-width: 768px) {
      .grid-5 {
        grid-template-columns: repeat(5, 1fr);
      }
    }

    .grid-2 {
      display: grid;
      gap: 1.5rem;
    }

    @media (min-width: 1024px) {
      .grid-2 {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    .grid-3 {
      display: grid;
      gap: 1.5rem;
    }

    @media (min-width: 768px) {
      .grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (min-width: 1024px) {
      .grid-3 {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    .grid-tips {
      display: grid;
      gap: 1rem;
    }

    @media (min-width: 640px) {
      .grid-tips {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (min-width: 1024px) {
      .grid-tips {
        grid-template-columns: repeat(4, 1fr);
      }
    }

    /* Participant Cards */
    .participant-card {
      text-align: center;
      padding: 1.25rem;
      border: 2px solid rgba(30, 95, 138, 0.15);
    }

    .participant-card .emoji {
      font-size: 2.5rem;
      margin-bottom: 0.5rem;
      display: block;
    }

    .participant-card h3 {
      font-weight: 700;
      font-size: 1.1rem;
      margin-bottom: 0.25rem;
    }

    .participant-card p {
      color: var(--muted-foreground);
      font-size: 0.875rem;
    }

    /* Equipment List */
    .equipment-list {
      list-style: none;
    }

    .equipment-list li {
      display: flex;
      align-items: flex-start;
      gap: 0.75rem;
      padding: 0.75rem;
      border-radius: 8px;
      transition: background-color 0.2s;
    }

    .equipment-list li:hover {
      background-color: var(--muted);
    }

    .equipment-list .emoji {
      font-size: 1.5rem;
      flex-shrink: 0;
    }

    .equipment-list .item-name {
      font-weight: 600;
      display: block;
    }

    .equipment-list .item-detail {
      font-size: 0.85rem;
      color: var(--muted-foreground);
    }

    /* Image Placeholder */
    .image-placeholder {
      position: relative;
      height: 280px;
      border-radius: var(--radius);
      overflow: hidden;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: white;
      text-align: center;
    }

    .image-placeholder .big-emoji {
      font-size: 4rem;
      margin-bottom: 1rem;
    }

    .image-placeholder p {
      font-weight: 600;
      font-size: 1.1rem;
    }

    .image-placeholder span {
      font-size: 0.9rem;
      opacity: 0.8;
    }

    /* Shopping Items */
    .shopping-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 0.75rem;
    }

    .shopping-item {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      padding: 0.875rem;
      border-radius: 12px;
      background: var(--card);
      border: 1px solid var(--border);
      transition: transform 0.2s;
    }

    .shopping-item:hover {
      transform: scale(1.03);
    }

    .shopping-item.priority {
      background: var(--accent-light);
      border: 2px solid rgba(42, 157, 108, 0.4);
    }

    .shopping-item .emoji {
      font-size: 1.5rem;
    }

    .shopping-item .name {
      font-weight: 600;
      display: block;
    }

    .shopping-item .note {
      font-size: 0.75rem;
      color: var(--muted-foreground);
    }

    .shopping-item .priority-badge {
      font-size: 0.7rem;
      color: var(--accent);
      font-weight: 700;
    }

    /* Recommendation Cards */
    .rec-card {
      border-width: 2px;
    }

    .rec-card.seguridad { border-color: rgba(239, 68, 68, 0.3); background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(251, 146, 60, 0.05) 100%); }
    .rec-card.camping { border-color: rgba(34, 197, 94, 0.3); background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%); }
    .rec-card.pesca { border-color: rgba(59, 130, 246, 0.3); background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%); }
    .rec-card.conservacion { border-color: rgba(6, 182, 212, 0.3); background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%); }
    .rec-card.tecnologia { border-color: rgba(168, 85, 247, 0.3); background: linear-gradient(135deg, rgba(168, 85, 247, 0.1) 0%, rgba(99, 102, 241, 0.05) 100%); }
    .rec-card.higiene { border-color: rgba(20, 184, 166, 0.3); background: linear-gradient(135deg, rgba(20, 184, 166, 0.1) 0%, rgba(34, 197, 94, 0.05) 100%); }

    .rec-list {
      list-style: none;
    }

    .rec-list.two-columns {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 0.5rem;
    }

    .rec-list li {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.9rem;
      padding: 0.35rem 0;
    }

    .rec-list .emoji {
      font-size: 1.1rem;
    }

    /* Tips Cards */
    .tip-card {
      padding: 1rem;
    }

    .tip-card.important {
      border: 2px solid rgba(42, 157, 108, 0.4);
      background: rgba(42, 157, 108, 0.05);
    }

    .tip-content {
      display: flex;
      align-items: flex-start;
      gap: 0.75rem;
    }

    .tip-content .emoji {
      font-size: 1.8rem;
      transition: transform 0.3s;
    }

    .tip-card:hover .tip-content .emoji {
      transform: scale(1.15);
    }

    .tip-content h3 {
      font-weight: 600;
      font-size: 0.95rem;
      margin-bottom: 0.25rem;
    }

    .tip-content h3 .star {
      color: var(--accent);
      margin-left: 0.25rem;
    }

    .tip-content p {
      font-size: 0.85rem;
      color: var(--muted-foreground);
      line-height: 1.5;
    }

    /* Alert Box */
    .alert-box {
      margin-top: 2.5rem;
      padding: 1.5rem;
      border-radius: var(--radius);
      background: linear-gradient(90deg, rgba(30, 95, 138, 0.1) 0%, rgba(42, 157, 108, 0.1) 50%, rgba(30, 95, 138, 0.1) 100%);
      border: 2px solid rgba(30, 95, 138, 0.2);
    }

    .alert-content {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1rem;
      text-align: center;
    }

    @media (min-width: 768px) {
      .alert-content {
        flex-direction: row;
        text-align: left;
      }
    }

    .alert-content .emoji {
      font-size: 3rem;
    }

    .alert-content h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
    }

    .alert-content p {
      color: var(--muted-foreground);
      font-size: 0.95rem;
    }

    .hide-mobile {
      display: none;
    }

    @media (min-width: 768px) {
      .hide-mobile {
        display: block;
      }
    }

    /* Footer */
    footer {
      margin-top: 4rem;
      background: var(--primary);
      color: var(--primary-foreground);
    }

    .footer-content {
      padding: 2rem 1rem;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1.5rem;
      text-align: center;
    }

    @media (min-width: 768px) {
      .footer-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
      }
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .footer-brand .emoji {
      font-size: 2rem;
    }

    .footer-brand p:first-of-type {
      font-weight: 700;
      font-size: 1.1rem;
    }

    .footer-brand p:last-of-type {
      font-size: 0.85rem;
      opacity: 0.8;
    }

    .footer-icons {
      display: flex;
      gap: 1.25rem;
      font-size: 1.5rem;
    }

    .footer-note {
      font-size: 0.85rem;
      opacity: 0.7;
    }

    .footer-note span {
      font-size: 0.75rem;
      display: block;
      margin-top: 0.25rem;
    }

    .footer-wave {
      height: 6px;
      background: linear-gradient(90deg, var(--accent), rgba(255,255,255,0.2), var(--accent));
    }