/* ==========================================================================
   ZEST TOURNAMENT - MOBILE FIRST RESPONSIVE SYSTEM
   Optimized for all mobile viewports (iOS, Android, Small to Large screens)
   ========================================================================== */

/* --- TABLETS & MEDIUM SCREENS (<= 1024px) --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 36px;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-media-wrapper {
    max-width: 520px;
    margin: 0 auto;
  }

  .phone-showcase-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .phone-mockup-frame {
    order: -1;
    max-width: 300px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

/* --- MOBILE & SMALL SCREENS (<= 768px) --- */
@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  body {
    overflow-x: hidden;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  /* Header & Navigation */
  .site-header {
    height: var(--header-height);
  }

  .logo-brand {
    font-size: 1.25rem;
    gap: 8px;
    white-space: nowrap;
    letter-spacing: 0.3px;
  }

  .logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
  }

  .logo-icon svg {
    width: 18px;
    height: 18px;
  }

  .header-actions {
    gap: 8px;
  }

  /* Hide QR Code button on mobile devices (already on phone) */
  .header-qr-btn {
    display: none !important;
  }

  .header-download-btn {
    padding: 6px 12px !important;
    font-size: 0.8rem !important;
    gap: 6px !important;
  }

  .mobile-toggle {
    display: flex !important;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
  }

  .mobile-toggle svg {
    width: 20px;
    height: 20px;
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: rgba(9, 12, 18, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
    z-index: 999;
  }

  .nav-links.active {
    transform: translateY(0);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
  }

  .nav-link {
    font-size: 1.05rem;
    padding: 8px 0;
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  }

  /* Hero Section Mobile Optimization */
  .hero-section {
    padding: 20px 0 35px;
  }

  .hero-grid {
    gap: 26px;
  }

  .hero-tag {
    font-size: 0.72rem;
    padding: 4px 12px;
    letter-spacing: 0.5px;
    margin-bottom: 14px;
    line-height: 1.3;
    max-width: 100%;
  }

  .hero-title {
    font-size: clamp(1.75rem, 6.8vw, 2.3rem);
    line-height: 1.12;
    margin-bottom: 12px;
    letter-spacing: 0;
  }

  .hero-description {
    font-size: 0.88rem;
    line-height: 1.5;
    margin-bottom: 20px;
    max-width: 95%;
  }

  /* 3-Platform Buttons System Mobile */
  .platform-cta-container {
    gap: 10px;
    margin-bottom: 22px;
  }

  .platform-cta-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .platform-btn {
    padding: 11px 14px;
    border-radius: var(--radius-md);
    gap: 12px;
  }

  .platform-btn .platform-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
  }

  .platform-btn .platform-icon svg {
    width: 20px;
    height: 20px;
  }

  .platform-btn .platform-label {
    font-size: 0.68rem;
    letter-spacing: 0.5px;
  }

  .platform-btn .platform-title {
    font-size: 1.05rem;
  }

  .platform-btn .platform-sub {
    font-size: 0.72rem;
  }

  .platform-secondary-actions {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 4px;
  }

  .platform-secondary-actions .btn {
    padding: 8px 14px;
    font-size: 0.82rem;
  }

  /* Compact 3-Column Stats Strip */
  .hero-stats-strip {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 6px !important;
    padding: 12px 8px !important;
    background: rgba(16, 21, 34, 0.75);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    text-align: center;
    border-top: none !important;
  }

  .stat-item {
    padding: 4px;
  }

  .stat-value {
    font-size: 1.25rem !important;
    line-height: 1.1;
  }

  .stat-label {
    font-size: 0.65rem !important;
    letter-spacing: 0.3px;
    margin-top: 2px;
  }

  .hero-banner-card {
    transform: none !important;
    border-radius: var(--radius-lg);
  }

  .floating-badge {
    display: none !important;
  }

  /* General Section Padding */
  .section {
    padding: 45px 0;
  }

  .section-head {
    margin-bottom: 26px;
  }

  .section-tag {
    font-size: 0.78rem;
    gap: 6px;
  }

  .section-title {
    font-size: 1.65rem;
    line-height: 1.2;
  }

  .section-subtitle {
    font-size: 0.86rem;
    margin-top: 8px;
  }

  /* Tournament Filters & Search */
  .tournament-filter-bar {
    flex-direction: column;
    align-items: stretch;
    padding: 8px;
    gap: 10px;
    border-radius: var(--radius-md);
  }

  .filter-tabs {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    width: 100%;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex-wrap: nowrap;
  }

  .filter-tabs::-webkit-scrollbar {
    display: none;
  }

  .filter-tab-btn {
    padding: 7px 12px;
    font-size: 0.8rem;
    white-space: nowrap;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
  }

  .tournament-search-box {
    width: 100%;
    min-width: unset;
    padding: 7px 12px;
  }

  /* Tournaments Grid & Cards */
  .tournaments-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .tournament-card {
    border-radius: var(--radius-md);
  }

  .card-header-banner {
    padding: 12px 16px;
  }

  .game-mode-tag {
    font-size: 0.82rem;
  }

  .card-body {
    padding: 16px;
  }

  .match-title {
    font-size: 1.15rem;
    margin-bottom: 12px;
  }

  .match-meta-grid {
    padding: 10px;
    gap: 8px;
    margin-bottom: 14px;
  }

  .meta-lbl {
    font-size: 0.72rem;
  }

  .meta-val {
    font-size: 1rem;
  }

  .card-footer {
    padding: 12px 16px;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
  }

  .card-footer .match-time-tag {
    justify-content: center;
    font-size: 0.82rem;
  }

  .card-footer .btn {
    width: 100%;
    justify-content: center;
  }

  /* Feature Showcase */
  .phone-mockup-frame {
    max-width: 250px;
    border-radius: 28px;
    padding: 8px;
  }

  .phone-screen-img {
    border-radius: 20px;
  }

  .feature-cards-col {
    gap: 14px;
  }

  .feature-card {
    padding: 16px;
    gap: 14px;
    border-radius: var(--radius-md);
  }

  .feature-card:hover {
    transform: none;
  }

  .feature-icon-box {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
  }

  .feature-icon-box svg {
    width: 20px;
    height: 20px;
  }

  .feature-card-content h3 {
    font-size: 1.1rem;
  }

  .feature-card-content p {
    font-size: 0.84rem;
  }

  /* How to Play Steps */
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .step-card {
    padding: 22px 18px;
    border-radius: var(--radius-md);
  }

  .step-number {
    font-size: 2.6rem;
    top: 12px;
    right: 16px;
  }

  .step-card h3 {
    font-size: 1.15rem;
    margin: 12px 0 6px;
  }

  .step-card p {
    font-size: 0.86rem;
  }

  /* Leaderboard Table Mobile Responsive */
  .leaderboard-container {
    border-radius: var(--radius-md);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .leaderboard-table th,
  .leaderboard-table td {
    padding: 12px 10px;
    font-size: 0.84rem;
    white-space: nowrap;
  }

  .player-avatar {
    width: 32px;
    height: 32px;
    font-size: 0.8rem;
  }

  /* Modals on Mobile */
  .modal-dialog {
    max-width: 95%;
    margin: 10px;
    border-radius: var(--radius-lg);
  }

  .modal-header {
    padding: 14px 18px;
  }

  .modal-title {
    font-size: 1.15rem;
  }

  .modal-body {
    padding: 16px;
    max-height: 80vh;
  }

  .modal-footer {
    padding: 12px 16px;
    flex-direction: column;
  }

  .modal-footer .btn {
    width: 100%;
  }

  /* Footer on Mobile */
  .site-footer {
    padding: 45px 0 24px;
    margin-top: 30px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 26px;
    margin-bottom: 30px;
  }

  .footer-col h4 {
    margin-bottom: 12px;
    font-size: 1.05rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 14px;
    text-align: center;
    font-size: 0.8rem;
  }

  .footer-socials {
    justify-content: flex-start;
  }
}

/* --- ULTRA-SMALL SCREENS (<= 380px iPhone SE / Folded screens) --- */
@media (max-width: 380px) {
  .logo-brand {
    font-size: 1.1rem;
  }

  .hero-title {
    font-size: 1.6rem;
  }

  .platform-btn {
    padding: 9px 12px;
  }

  .platform-btn .platform-title {
    font-size: 0.95rem;
  }

  .stat-value {
    font-size: 1.1rem !important;
  }

  .stat-label {
    font-size: 0.6rem !important;
  }
}