/* ============================================================
 * responsive.css — Media queries (tablet ≤ 1180px, mobile ≤ 780px)
 * ============================================================ */

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: auto auto;
    padding-inline: 8px;
  }

  .site-nav {
    position: fixed;
    inset: 72px 18px auto;
    display: grid;
    justify-items: center;
    gap: 0;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background:
      linear-gradient(180deg, rgba(0, 0, 0, 0.9) 0%, rgba(6, 18, 20, 0.9) 34%, rgba(31, 91, 100, 0.84) 100%);
    box-shadow:
      0 34px 90px rgba(0, 0, 0, 0.58),
      inset 0 1px 0 rgba(137, 235, 207, 0.12);
    backdrop-filter: blur(8px);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 200ms ease, transform 200ms ease;
  }

  .site-nav a {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(1.6rem, 4.3vw, 3.25rem);
    line-height: 1;
    letter-spacing: 0.01em;
    text-align: center;
    text-transform: uppercase;
    color: white;
    text-shadow: 0 0 22px rgba(137, 235, 207, 0.16);
  }

  body.menu-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .contact-pill { display: none; }
  .nav-toggle { display: block; }

  body.menu-open .nav-toggle span { background: white; }
  body.menu-open .nav-toggle span:first-child { transform: translateY(9px) rotate(45deg); }
  body.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
  body.menu-open .nav-toggle span:last-child { transform: translateY(-9px) rotate(-45deg); }

  /* ─────────────────────────────────────────────────────────
   * NOTE: column-count changes for content grids (about, portfolio,
   * partners/logo, team founders/advisors/contributors, achievements,
   * activity, blog) have been REMOVED from this tablet breakpoint.
   * The desktop column structure stays intact — only sizes shrink as
   * the viewport narrows. Restructuring happens at the phone breakpoint
   * (≤ 780px) below.
   * ───────────────────────────────────────────────────────── */

  /* Hero stays full bleed at tablet too — no horizontal/vertical gap. */
  .hero-frame {
    width: 100%;
    margin-top: 0;
    aspect-ratio: 2850 / 1582;
  }

  /* Hero positioning vars stay % (already proportional).
   * Font-sizes are now driven by `cqw` on .hero-frame (see components.css)
   * — they auto-scale with the frame, so no per-breakpoint override needed. */

  .who-we-are-mark img {
    width: min(360px, 72vw);
  }

  /* Detail / inner-page layouts keep their stack at narrow tablet —
     these are not on the home grid so the home structure rule above
     does not apply. */
  .detail-hero-grid,
  .detail-layout,
  .profile-detail-grid {
    grid-template-columns: 1fr;
  }

  .detail-meta { position: static; }

  /* Concept-design gallery: 3 columns on desktop → 2 on tablet (→ 1 on phone,
     handled in the max-width:780px block). */
  .detail-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  /* NOTE: portfolio-card no longer has tablet-specific overrides here.
     Container queries on the card itself (see components.css) handle all
     size adaptation based on the card's own width — independent of viewport. */
}

@media (max-width: 780px) {
  :root {
    /* Mobile uses 92vw (4% margin each side) — narrow viewports need
     * relatively LESS padding than wide ones to maximize content area. */
    --max-width: 92vw;
  }

  .brand img,
  .footer-logo {
    width: 170px;
  }

  .site-header {
    gap: 12px;
  }

  .hero {
    padding-top: calc(136 / 2850 * 100vw);
    overflow: hidden;
    background: #031316;
  }

  .hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
      linear-gradient(180deg, rgba(0, 0, 0, 0.16), rgba(0, 0, 0, 0) 34%),
      var(--hero-mobile-image, url("/assets/img/mobile-hero/9a6383_6ce78510f7274de192e054625645ab48~mv2-mobile-bg.png")) center top / 100% auto no-repeat;
    pointer-events: none;
  }

  .hero-frame {
    width: 100%;                   /* full bleed on mobile too */
    aspect-ratio: 2850 / 1582;
    margin-top: 0;
    z-index: 1;
  }

  /* Hero on mobile uses the SAME positioning vars + cqw font sizes as
   * desktop — the hero frame is a container query scope, so when it
   * shrinks, the title and button auto-scale proportionally and end up
   * exactly where they sit on laptop, just smaller. No mobile-specific
   * overrides needed. (See layout.css for vars, components.css for fonts.) */

  .ghost-button {
    min-height: 58px;
    padding-inline: 20px;
  }

  /* Exception: the hero button must shrink with the hero frame (cqw-driven)
   * so it stays visually aligned with the title. Desktop sizing applies. */
  .hero-copy .ghost-button {
    min-height: 0;
    padding-inline: clamp(14px, 1.7cqw, 28px);
  }

  .hero-copy {
    --hero-button-top: 66%;
  }

  .hero-arrow { top: 61%; }
  .hero-arrow-prev { left: 6px; }
  .hero-arrow-next { right: 6px; }

  .planet {
    top: 118px;
    right: 4px;
    width: 92px;
  }

  /* Stack to 1 column for content grids on phone */
  .about-grid,
  .portfolio-grid,
  .announcement-grid,
  .achievement-grid,
  .achievement-grid-featured,
  .achievement-grid-compact,
  .activity-grid,
  .who-we-are-grid {
    grid-template-columns: 1fr;
  }

  /* Logo grid: 7 logos too tight on phone — show 2 per row */
  .logo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .activities {
    padding-top: 24px;
  }

  .activities .section-heading {
    margin-bottom: 18px;
  }

  .activity-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .activity-grid img {
    border-radius: 14px;
  }

  .portfolio-card .portfolio-footer {
    grid-template-columns: minmax(0, 1fr) max-content;
    min-height: 44px;
    column-gap: 6px;
    padding: 8px 12px;
  }

  .portfolio-card h3 {
    font-size: clamp(12.5px, 3.42vw, 15.2px);
    line-height: 1;
    letter-spacing: 0;
    white-space: nowrap;
  }

  .portfolio-card span {
    width: auto;
    min-width: 0;
    max-width: none;
    padding: 2px 5px;
    border-width: 1px;
    font-size: 6.5px;
    letter-spacing: 0;
    transform: none;
  }

  .achievement-grid,
  .achievement-grid-featured,
  .achievement-grid-compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .achievement-grid-compact {
    margin-top: 12px;
  }

  .achievement-card,
  .achievement-card-featured {
    aspect-ratio: 1;
    padding: 12px;
    border-radius: 16px;
  }

  .achievement-card img {
    max-height: 92px;
  }

  .who-we-are-grid {
    min-height: 0;
    gap: 22px;
  }

  .who-we-are-section {
    padding-top: 10px;
  }

  .who-we-are-mark {
    padding-top: 0;
  }

  /* WHO WE ARE mark on mobile — smaller so it doesn't dominate the hero
   * area which now has clamped-readable title text. */
  .who-we-are-mark img {
    width: min(200px, 54vw);
  }

  .team .section-heading {
    padding-top: 0;
    margin-top: -14px;
    margin-bottom: 18px;
  }

  .team-carousel {
    position: relative;
    width: 100vw;
    margin: 0 calc(50% - 50vw);
  }

  .team-carousel + .team-carousel {
    margin-top: 22px;
  }

  /* Centered team carousel on phone: one card per view, no side peeking. */
  .founders-grid,
  .advisors-grid,
  .contributor-grid,
  .contributors-grid {
    display: flex;
    gap: 0;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: 0;
    width: 100vw;
    padding: 4px 0 14px;
    margin: 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .founders-grid::-webkit-scrollbar,
  .advisors-grid::-webkit-scrollbar,
  .contributor-grid::-webkit-scrollbar,
  .contributors-grid::-webkit-scrollbar {
    display: none;
  }

  .founders-grid > *,
  .advisors-grid > *,
  .contributor-grid > *,
  .contributors-grid > * {
    flex: 0 0 100vw;
    box-sizing: border-box;
    padding-inline: 24px;
    scroll-snap-align: center;
    min-width: 0;
    transform: scale(var(--team-card-scale, 0.94));
    transform-origin: center center;
    transition: transform 180ms ease;
  }

  .team-carousel-arrow {
    position: absolute;
    top: 50%;
    z-index: 4;
    display: grid;
    place-items: center;
    width: 44px;
    height: 56px;
    margin-top: 10px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: #fff;
    cursor: pointer;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 2.9rem;
    font-weight: 300;
    line-height: 1;
    appearance: none;
    outline: none;
    transform: translateY(-50%);
    transition: transform 200ms ease, color 200ms ease;
  }

  .team-carousel-arrow:hover,
  .team-carousel-arrow:focus-visible {
    color: var(--color-primary);
    transform: translateY(-50%) scale(1.08);
  }

  .team-carousel-arrow:disabled {
    opacity: 0;
    pointer-events: none;
  }

  .team-carousel-prev { left: 6px; }
  .team-carousel-next { right: 6px; }

  /* NOTE: portfolio-card mobile sizes handled by container queries (see components.css).
     logo-grid columns handled by auto-fit (see layout.css).
     No manual breakpoint sizing needed here. */

  .who-we-are-copy p {
    font-size: clamp(1.25rem, 6vw, 1.85rem);
    line-height: 1.2;
  }

  .section { padding-top: 64px; }

  .site-footer {
    padding-bottom: 36px;
    flex-direction: column;
    align-items: flex-start;
  }

  .page-hero,
  .detail-hero,
  .profile-detail,
  .post-layout {
    padding-top: 58px;
  }

  .compact-hero {
    min-height: 300px;
    padding-bottom: 30px;
  }

  .page-hero h1,
  .detail-title h1,
  .profile-detail h1,
  .post-header h1 {
    font-size: clamp(2.5rem, 14vw, 4.6rem);
  }

  .blog-grid,
  .detail-gallery {
    grid-template-columns: 1fr;
  }

  .post-layout {
    width: var(--max-width);
  }
}

/* ============================================================
 * HEADER — fully transparent at every mobile/tablet breakpoint.
 * The dropdown nav (.site-nav) keeps its own glass background;
 * only the header bar itself must stay invisible.
 * ============================================================ */
@media (max-width: 1180px) {
  .site-header,
  .site-header.is-scrolled,
  .site-header.scrolled,
  .site-header[data-scrolled="true"] {
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: none !important;
    border: none !important;
    border-bottom: none !important;
  }
}

/* ============================================================
 * PAGE BACKGROUND — per-view tuning of the fixed ambient backdrop.
 *
 * The base `body::before` (section-backgrounds.css) is tuned for wide
 * desktop. On narrower/taller screens its corner auras bunch up, so here
 * we re-tune ONLY the aura geometry + gradient stops per breakpoint —
 * SAME hues (teal/magenta/cyan/pink) and the same calm, even tone. This
 * file loads last, so these win on tablet/mobile.
 * ============================================================ */

/* Tablet (~640–1180px): squarer auras, pulled toward the corners gently. */
@media (max-width: 1180px) {
  body::before {
    background-image:
      radial-gradient(ellipse 92% 38% at 14% 0%, rgba(45, 212, 191, 0.19), transparent 60%),
      radial-gradient(ellipse 82% 42% at 100% 24%, rgba(168, 85, 247, 0.15), transparent 62%),
      radial-gradient(ellipse 82% 40% at 0% 72%, rgba(34, 211, 238, 0.13), transparent 60%),
      radial-gradient(ellipse 78% 36% at 100% 100%, rgba(244, 114, 182, 0.11), transparent 62%),
      linear-gradient(180deg, #070a1c 0%, #0a1028 30%, #0b1230 60%, #070c20 82%, #04060f 100%);
  }
}

/* Mobile (portrait, tall + narrow): spread the auras DOWN the page as soft
 * horizontal bands (teal → magenta → cyan → pink) so the colour flows top
 * to bottom instead of clumping in one corner. */
@media (max-width: 780px) {
  body::before {
    background-image:
      radial-gradient(ellipse 135% 22% at 50% 0%, rgba(45, 212, 191, 0.18), transparent 62%),
      radial-gradient(ellipse 110% 20% at 100% 28%, rgba(168, 85, 247, 0.16), transparent 64%),
      radial-gradient(ellipse 110% 20% at 0% 60%, rgba(34, 211, 238, 0.14), transparent 62%),
      radial-gradient(ellipse 135% 22% at 50% 100%, rgba(244, 114, 182, 0.13), transparent 64%),
      linear-gradient(180deg, #070a1c 0%, #0a1028 26%, #0b1230 52%, #090f28 78%, #04060f 100%);
  }
}

/* ============================================================
 * FOOTER (phones ≤520px) — let the Get-in-touch / Contact / social block
 * share a row with the nav as a 2nd column. The desktop CTA forces a 220px
 * min-width and 56px social circles (components.css, !important); shrink
 * both here (loads last) so the block fits a half-width column.
 * ============================================================ */
@media (max-width: 520px) {
  .site-footer .footer-cta {
    min-width: 0 !important;
  }
  .site-footer .footer-cta .footer-social {
    gap: 12px !important;
  }
  .site-footer .footer-cta .footer-social .footer-social-btn {
    width: 44px !important;
    height: 44px !important;
  }
  .site-footer .footer-cta .footer-social .footer-social-btn svg {
    width: 20px !important;
    height: 20px !important;
  }
}