/* ============================================================
   responsive.css  |  Breakpoints: 1440 / 1024 / 768 / 480
   ============================================================ */

/* Large laptop */
@media (max-width: 1440px) {
  :root { --container: 1140px; }
}

/* Small laptop / large tablet */
@media (max-width: 1024px) {
  :root { --sp-xl: 4.5rem; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .split { gap: 2.4rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

/* Tablet */
@media (max-width: 768px) {
  :root { --sp-xl: 3.6rem; --nav-h: 66px; }

  /* Nav -> mobile drawer */
  .nav-menu {
    position: fixed; inset: 0 0 0 auto; width: min(80%, 320px);
    background: #fff; flex-direction: column; align-items: flex-start; justify-content: flex-start;
    padding: calc(var(--nav-h) + 1.5rem) 1.5rem 2rem; gap: .4rem;
    box-shadow: -20px 0 60px rgba(8,20,42,.2);
    transform: translateX(105%); transition: transform .4s var(--ease); z-index: 1050;
  }
  .nav-menu.open { transform: translateX(0); }
  .nav-menu a { width: 100%; color: var(--text); padding: .85rem 1rem; border-radius: 12px; font-size: 1rem; }
  .nav-menu a:hover, .nav-menu a.active { background: var(--gray); color: var(--blue); }
  .nav-menu a::after { display: none; }
  .nav-toggle { display: flex; }
  .brand .brand-mark { height: 44px; }
  .brand-text b { font-size: 1.2rem; }
  .brand-text small { font-size: .62rem; letter-spacing: .18em; }
  .nav-cta .btn { display: none; }
  .mobile-only-cta { display: inline-flex !important; }
  .navbar:not(.scrolled) .nav-toggle span { background: #fff; }
  .nav-overlay { position: fixed; inset: 0; background: rgba(8,20,42,.5); opacity:0; visibility:hidden; transition: opacity .3s; z-index: 1040; }
  .nav-overlay.show { opacity: 1; visibility: visible; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split .media { order: -1; }
  .split .media .float-badge { left: 1rem; bottom: -18px; }

  .form-row { grid-template-columns: 1fr; }
  .submit-center .btn { width: 100%; min-width: unset; }
  .price-picker { grid-template-columns: 1fr; }

  /* Timeline -> single column */
  .timeline::before { left: 20px; }
  .tl-item { width: 100%; left: 0 !important; text-align: left !important; padding: 0 0 2rem 3.4rem; }
  .tl-item .tl-dot { left: 11px !important; right: auto !important; }

  .hero-cards { gap: .7rem; }
  .hero-card { flex: 1 1 100%; }
  .countdown { gap: .6rem; }
  .cd-box { min-width: 0; flex: 1; padding: .8rem .3rem; }

  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-band { padding: 2.2rem 1.4rem; }
  .testi-card { padding: 1.8rem 1.3rem; }
}

/* Mobile */
@media (max-width: 480px) {
  :root { --radius: 14px; --radius-lg: 20px; }
  .container { width: calc(100% - 2rem); }
  .footer-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; grid-auto-rows: 200px; }
  .gallery-grid .g-item.tall { grid-row: span 1; }
  .highlight-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .reg-steps { flex-direction: column; }
  .hero h1 { font-size: 2.1rem; }
  .card { padding: 1.5rem; }
  .btn { width: 100%; }
  .hero-actions .btn, .cta-actions .btn { width: 100%; }
  .lb-prev { left: 10px; } .lb-next { right: 10px; }
  .lb-close { top: 14px; right: 14px; }
}

/* ============================================================
   MOBILE FULL FIX  |  All screens ≤ 768px & ≤ 480px
   ============================================================ */

/* ── Global base fixes ── */
*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: hidden; width: 100%; }
img, video, iframe, svg { max-width: 100%; height: auto; }

/* ── Containers ── */
@media (max-width: 768px) {
  .container { width: calc(100% - 2rem); padding: 0 1rem; }
  section { padding: 3rem 0; }

  /* ── Navbar ── */
  .navbar { padding: 0 1rem; }
  .nav-cta { gap: .4rem; }
  .nav-toggle { display: flex !important; }

  /* ── Hero ── */
  .hero { min-height: 100svh; padding: 1.5rem 1rem 5rem; text-align: center; }
  .hero h1 { font-size: clamp(1.8rem, 6vw, 2.6rem); line-height: 1.2; }
  .hero p { font-size: .95rem; }
  .hero-actions { flex-direction: column; align-items: center; gap: .8rem; }
  .hero-actions .btn { width: 100%; max-width: 320px; justify-content: center; }
  .hero-cards { flex-direction: column; gap: .6rem; }
  .hero-card { width: 100%; }
  .countdown { flex-wrap: wrap; gap: .5rem; justify-content: center; }
  .cd-box { flex: 1 1 calc(50% - .5rem); min-width: 70px; }

  /* ── Register Modal (wide) ── */
  .modal-overlay { padding: .6rem; align-items: flex-end; }
  .modal-wide {
    width: 100%;
    max-height: 96svh;
    border-radius: 20px 20px 0 0;
    padding: 1.6rem 1.1rem 2rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .modal-wide .form-row { grid-template-columns: 1fr; gap: .75rem; }
  .modal-wide .submit-cell { justify-content: stretch; }
  .modal-wide .submit-cell .btn { width: 100%; min-width: unset; }
  .modal-title { font-size: 1.2rem; margin-bottom: 1rem; }

  /* ── Sign In / Sign Up modal ── */
  .modal {
    width: 100%;
    max-height: 96svh;
    border-radius: 20px 20px 0 0;
    padding: 1.6rem 1.1rem 2rem;
  }

  /* ── Race picker in register modal ── */
  .mreg-race-row { grid-template-columns: 1fr; gap: .6rem; }
  .mreg-race-opt { padding: .9rem 1rem; }
  .price-picker { grid-template-columns: 1fr; }

  /* ── Form inputs ── */
  .form-row { grid-template-columns: 1fr; gap: .75rem; }
  .field input, .field select, .field textarea,
  .modal-wide input, .modal-wide select { font-size: 16px; } /* prevent iOS zoom */

  /* ── Sections: splits, grids ── */
  .split { grid-template-columns: 1fr; gap: 1.8rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .run-events-grid { grid-template-columns: 1fr; }

  /* ── Tabs horizontal scroll ── */
  .tab-nav { overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; }
  .tab-btn { white-space: nowrap; flex-shrink: 0; }

  /* ── CTA band ── */
  .cta-band { padding: 2rem 1.2rem; border-radius: 16px; }
  .cta-band h2 { font-size: 1.5rem; }
  .cta-actions { flex-direction: column; align-items: center; gap: .8rem; }
  .cta-actions .btn { width: 100%; max-width: 320px; justify-content: center; }

  /* ── Footer ── */
  .footer-grid { grid-template-columns: 1fr; gap: 1.6rem; }
  .footer-bottom { flex-direction: column; text-align: center; gap: .8rem; }

  /* ── Gallery ── */
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: .5rem; }
  .gallery-grid .g-item.tall { grid-row: span 1; }

  /* ── Stats / Highlights ── */
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .highlight-grid { grid-template-columns: repeat(2, 1fr); }

  /* ── Ticket card ── */
  .ticket { grid-template-columns: 1fr; }
  .ticket-right { max-width: 180px; margin: 0 auto; }
  .ticket-actions { flex-direction: column; }
  .ticket-actions .btn { width: 100%; }

  /* ── Razorpay modal ── */
  .rzp-modal { width: 100%; border-radius: 20px 20px 0 0; }
  .rzp-overlay { align-items: flex-end; padding: 0; }

  /* ── Timeline ── */
  .timeline::before { left: 20px; }
  .tl-item { width: 100%; left: 0 !important; text-align: left !important; padding: 0 0 2rem 3.4rem; }
  .tl-item .tl-dot { left: 11px !important; right: auto !important; }

  /* ── Page hero ── */
  .page-hero { min-height: 260px; padding: 5rem 1rem 2rem; }
  .page-hero h1 { font-size: 1.8rem; }

  /* ── Events cards ── */
  .ev-grid { grid-template-columns: 1fr; }

  /* ── Sponsor logos ── */
  .sponsors-row { flex-wrap: wrap; justify-content: center; gap: 1rem; }
  .sponsor-logo { max-height: 44px; }

  /* ── Modal close button ── */
  .modal-close { top: .8rem; right: .8rem; width: 36px; height: 36px; }
}

/* ── Extra small phones ── */
@media (max-width: 390px) {
  .hero h1 { font-size: 1.7rem; }
  .cd-box { flex: 1 1 calc(50% - .4rem); padding: .6rem .2rem; }
  .cd-num { font-size: 1.6rem; }
  .modal-wide, .modal { padding: 1.4rem .9rem 2rem; }
  .mreg-race-opt .mr-d { font-size: .95rem; }
  .mreg-race-opt .mr-p { font-size: .82rem; }
  .highlight-grid, .stats-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .footer-grid { gap: 1.2rem; }
  .btn { font-size: .9rem; padding: .75rem 1.2rem; }
}