@media (max-width: 1080px) {
  .site-header {
    height: 68px;
  }

  .site-nav a {
    padding: 10px;
    font-size: 0.68rem;
  }

  .two-col,
  .mission-grid,
  .founder-grid,
  .event-shell,
  .countdown-wrap,
  .youtube-grid,
  .donation-grid {
    grid-template-columns: 1fr;
  }

  .upi-panel {
    position: static;
  }

  .countdown-wrap h2,
  .countdown-grid {
    grid-column: auto;
    grid-row: auto;
  }

  .event-detail {
    padding: 12px;
  }

  .event-card-full:nth-child(even) {
    grid-template-columns: 1fr;
  }

  .event-card-full:nth-child(even) .event-poster {
    order: 0;
  }

  .initiative-card.large {
    grid-template-columns: 1fr;
  }

  .initiative-card.large div {
    padding: 28px;
  }
}

@media (max-width: 860px) {
  .section-pad {
    padding: 82px 0;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 88px;
    left: 50%;
    width: min(420px, calc(100vw - 28px));
    display: grid;
    gap: 6px;
    padding: 18px;
    border: 1px solid rgba(32, 27, 24, 0.08);
    border-radius: 18px;
    background: rgba(255, 250, 240, 0.96);
    color: var(--charcoal);
    box-shadow: var(--shadow);
    transform: translate(-50%, -16px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 240ms var(--ease), transform 240ms var(--ease);
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, 0);
  }

  .site-nav a {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .hero {
    padding-top: 136px;
  }

  .pillar-grid,
  .timeline-track,
  .initiative-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .instagram-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .youtube-card {
    grid-template-columns: 180px minmax(0, 1fr);
  }

  .initiative-card.large {
    grid-column: auto;
  }

  .countdown-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    top: 10px;
    width: calc(100vw - 20px);
    padding-left: 14px;
  }

  .brand-text strong {
    font-size: 1.12rem;
  }

  .brand-text small {
    font-size: 0.52rem;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .hero {
    min-height: 92svh;
    padding-inline: 18px;
    padding-bottom: 78px;
  }

  .hero-copy {
    margin: 22px 0 28px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .scroll-indicator {
    display: none;
  }

  .mandala {
    right: -24vw;
    top: 12vh;
    opacity: 0.36;
  }

  .mission-text {
    padding: 0 0 0 18px;
  }

  .pillar-card,
  .initiative-card,
  .timeline-item,
  .contact-card {
    min-height: auto;
    padding: 24px;
  }

  .pillar-card h3 {
    margin-top: 54px;
  }

  .event-shell {
    padding: 12px;
    gap: 22px;
  }

  .event-poster img {
    min-height: auto;
  }

  .countdown-grid {
    gap: 8px;
  }

  .countdown-grid div {
    min-height: 112px;
  }

  .founder-portrait::after {
    inset: 10px -10px -10px 10px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .instagram-grid {
    grid-template-columns: 1fr;
  }

  .youtube-card {
    grid-template-columns: 1fr;
  }

  .youtube-card img {
    aspect-ratio: 16 / 9;
  }

  .sponsor-row,
  .bank-details {
    grid-template-columns: 1fr;
  }

  .sponsor-row strong {
    min-width: 0;
  }

  .whatsapp-chat {
    right: 14px;
    bottom: 14px;
    min-height: 48px;
    padding: 0 14px;
    font-size: 0.68rem;
  }
}