:root {
    --primary: #167075;
    --secondary: #2F6862;
    --highlight: #D1882F;
    --bg: #EEF3F3;
    --card-bg: #ffffff;
    --text: #1a2e2e;
    --text-muted: #5a7070;
    --border: #c8dada;
    --wave1: #b8d4d4;
    --wave2: #d4b896;
    --success: #2e8b57;
    --font: 'DM Sans', 'Google Sans', sans-serif;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }

  body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
  }

  /* ─── PAGES ─────────────────────────────────── */
  .page { display: none; min-height: 100vh; }
  .page.active { display: flex; flex-direction: column; }
/* ─── NAVBAR ─────────────────────────────────── */
.site-nav {
  height: 72px;
  padding: 0 clamp(18px, 4vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(22, 112, 117, 0.14);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.nav-logo,
.nav-gcci {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
}

.nav-logo img,
.nav-gcci img {
  display: block;
  width: auto;
  height: 50px;
  max-width: 150px;
  object-fit: contain;
}

.nav-divider {
  width: 1px;
  height: 34px;
  flex-shrink: 0;
  background: rgba(22, 112, 117, 0.18);
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-link {
  min-height: 40px;
  padding: 10px 15px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.nav-link:hover,
.nav-link.active-link {
  color: var(--primary);
  background: rgba(22, 112, 117, 0.09);
}

.btn-primary,
.btn-login {
  min-height: 40px;
  padding: 10px 18px;
  border: none;
  border-radius: 8px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 18px rgba(22, 112, 117, 0.2);
}

.btn-primary:hover {
  background: var(--secondary);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(22, 112, 117, 0.28);
}

.btn-login {
  color: var(--primary);
  background: rgba(22, 112, 117, 0.09);
}

.btn-login:hover {
  background: rgba(22, 112, 117, 0.15);
  transform: translateY(-1px);
}

.nav-drawer-btn,
.hamburger,
.drawer-close {
  border: none;
  background: transparent;
  color: var(--text);
  font-family: var(--font);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-drawer-btn {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  flex-shrink: 0;
}

.nav-drawer-btn:hover {
  color: var(--primary);
  background: rgba(22, 112, 117, 0.09);
}

.hamburger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
}

.hamburger:hover {
  color: var(--primary);
  background: rgba(22, 112, 117, 0.09);
}

.hamburger span {
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

/* ─── MOBILE MENU ─────────────────────────────── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(22, 112, 117, 0.14);
  padding: 14px 16px 18px;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.09);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.mobile-menu .nav-link {
  width: 100%;
  min-height: 44px;
  padding: 12px 10px;
  text-align: center;
  justify-content: center;
  display: flex;
}

.mobile-action {
  width: 100%;
  min-height: 44px;
  margin-top: 8px;
  text-align: center;
}

/* Works if your JS toggles either .open or .active */
.mobile-menu.open,
.mobile-menu.active {
  display: block;
}

/* ─── SIDE DRAWER ─────────────────────────────── */
.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: rgba(0, 0, 0, 0.35);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.drawer-overlay.open,
.drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}

.side-drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 1110;
  width: min(360px, 88vw);
  height: 100vh;
  background: rgba(255, 255, 255, 0.98);
  border-left: 1px solid rgba(22, 112, 117, 0.14);
  box-shadow: -20px 0 44px rgba(0, 0, 0, 0.14);
  transform: translateX(100%);
  transition: transform 0.25s ease;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.side-drawer.open,
.side-drawer.active {
  transform: translateX(0);
}

.drawer-header {
  height: 72px;
  padding: 0 20px;
  border-bottom: 1px solid rgba(22, 112, 117, 0.14);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-title {
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
}

.drawer-close {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.drawer-close:hover {
  color: var(--primary);
  background: rgba(22, 112, 117, 0.09);
}

.drawer-nav {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.drawer-link {
  width: 100%;
  min-height: 44px;
  padding: 13px 12px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
}

.drawer-link:hover {
  color: var(--primary);
  background: rgba(22, 112, 117, 0.09);
}

.drawer-footer {
  margin-top: auto;
  padding: 18px 20px;
  border-top: 1px solid rgba(22, 112, 117, 0.14);
  text-align: center;
}

.drawer-footer p {
  margin: 0;
  color: var(--muted, #777);
  font-size: 12px;
}

/* ─── BACK TO TOP BUTTON ──────────────────────── */
.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 22px;
  z-index: 950;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease, background 0.2s ease;

  display: flex;
  align-items: center;
  justify-content: center;
}


.back-to-top:hover {
  background: var(--secondary);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ─── RESPONSIVE ─────────────────────────────── */
@media (max-width: 900px) {
  .site-nav {
    height: 68px;
    position: fixed;
    left: 0;
    right: 0;
    padding: 0 16px;
    transform: translateY(0);
    transition: transform 0.25s ease;
  }

  .site-nav.nav-hidden {
    transform: translateY(-100%);
  }

  body {
    padding-top: 68px;
  }

  .nav-logo img,
  .nav-gcci img {
    height: 44px;
    max-width: 130px;
  }

  .nav-links {
    display: none;
  }

  .hamburger {
    display: inline-flex;
  }

  .mobile-menu {
    top: 68px;
  }
}

@media (max-width: 520px) {
  .site-nav {
    padding: 0 14px;
    gap: 12px;
  }

  .nav-left {
    gap: 10px;
  }

  .nav-logo img,
  .nav-gcci img {
    height: 38px;
    max-width: 112px;
  }

  .nav-divider {
    height: 28px;
  }

  .back-to-top svg {
    display: block;
    width: 22px;
    height: 22px;
    pointer-events: none;
}

}

@media (max-width: 380px) {
  .nav-logo img,
  .nav-gcci img {
    height: 34px;
    max-width: 96px;
  }

  .nav-left {
    gap: 8px;
  }
}


  /* ─── FOOTER ─────────────────────────────────── */
  footer {
    background: var(--text); color: rgba(255,255,255,0.7);
    padding: 20px 40px; display: flex;
    justify-content: space-between; align-items: center;
    font-size: 13px; margin-top: auto;
  }

  footer span { color: rgba(255,255,255,0.9); font-weight: 500; }

  /* ─── HOME PAGE ─────────────────────────────────── */
  .hero {
    flex: 1;
    position: relative;
    overflow: hidden;
    display: flex; flex-direction: column;
  }

  .hero-bg {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, #e8f0f0 0%, #f0ebe0 50%, #dde8e8 100%);
    z-index: 0;
  }

  /* Wave decorations */
  .wave-deco {
    position: absolute; bottom: 0; left: 0; right: 0;
    height: 320px; z-index: 1; pointer-events: none;
  }

  .wave-deco svg { width: 100%; height: 100%; }

  .hero-content {
    position: relative; z-index: 2;
    flex: 1; display: flex; align-items: center;
    padding: 60px 40px 80px;
    max-width: 1200px; margin: 0 auto; width: 100%;
    gap: 60px;
  }

  .hero-left { flex: 1; }

  .hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(22,112,117,0.1); color: var(--primary);
    padding: 6px 14px; border-radius: 100px;
    font-size: 12px; font-weight: 600; letter-spacing: 1px;
    text-transform: uppercase; margin-bottom: 24px;
    border: 1px solid rgba(22,112,117,0.2);
  }

  .hero-badge-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--highlight); animation: pulse 2s infinite;
  }

  @keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
  }

  .hero-title {
    font-size: 56px; font-weight: 700; line-height: 1.1;
    color: var(--text); margin-bottom: 8px;
    letter-spacing: -1px;
  }

  .hero-title .accent { color: var(--primary); }
  .hero-title .year { color: #126670; }

  .hero-subtitle {
    font-size: 18px; color: var(--text-muted); margin-bottom: 32px;
    font-weight: 400; line-height: 1.6;
  }

  .hero-meta {
    display: flex; gap: 24px; margin-bottom: 40px; flex-wrap: wrap;
  }

  .hero-meta-item {
    display: flex; align-items: center; gap: 8px;
    font-size: 14px; color: var(--text-muted);
  }

  .hero-meta-icon {
    width: 32px; height: 32px; border-radius: 8px;
    background: white; display: flex; align-items: center;
    justify-content: center; font-size: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  }

  .hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

  .hero-right {
    flex: 0 0 420px;
    display: flex; flex-direction: column; gap: 16px;
  }

  .stat-card {
    background: white; border-radius: 16px;
    padding: 24px; box-shadow: 0 4px 24px rgba(0,0,0,0.06);
    border: 1px solid var(--border);
    position: relative; overflow: hidden;
  }

  .stat-card::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 4px; height: 100%; background: var(--primary);
  }

  .stat-card.orange::before { background: var(--highlight); }

  .stat-number {
    font-size: 36px; font-weight: 700; color: var(--primary);
    line-height: 1;
  }

  .stat-card.orange .stat-number { color: var(--highlight); }
  .stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

  .stat-row { display: flex; gap: 16px; }
  .stat-row .stat-card { flex: 1; }

  /* ─── SECTION GENERIC ─────────────────────────── */
  .section-page { flex: 1; padding: 60px 40px; max-width: 1200px; margin: 0 auto; width: 100%; }

  .section-header { margin-bottom: 48px; }

  .section-eyebrow {
    font-size: 11px; font-weight: 700; letter-spacing: 2px;
    text-transform: uppercase; color: var(--highlight);
    margin-bottom: 12px;
  }

  .section-title {
    font-size: 42px; font-weight: 700; color: var(--text);
    letter-spacing: -0.5px; line-height: 1.2;
  }

  .section-title .accent { color: var(--primary); }

  .section-desc {
    font-size: 16px; color: var(--text-muted);
    margin-top: 12px; max-width: 560px; line-height: 1.7;
  }

  /* ─── ABOUT PAGE ─────────────────────────────────── */
  .about-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
    margin-bottom: 48px;
  }

  .about-card {
    background: white; border-radius: 20px; padding: 32px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 24px rgba(0,0,0,0.04);
    transition: transform 0.2s, box-shadow 0.2s;
  }

  .about-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.1); }

  .about-card-icon {
    width: 52px; height: 52px; border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; margin-bottom: 20px;
  }

  .about-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
  .about-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

  .about-mission {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 20px; padding: 48px;
    display: flex; align-items: center; gap: 40px;
    color: white;
  }

  .mission-text { flex: 1; }
  .mission-text h2 { font-size: 28px; font-weight: 700; margin-bottom: 16px; }
  .mission-text p { font-size: 15px; opacity: 0.85; line-height: 1.8; }

  .mission-stat { flex: 0 0 200px; text-align: center; }
  .mission-stat .big { font-size: 64px; font-weight: 800; color: rgba(255,255,255,0.2); }
  .mission-stat .label { font-size: 13px; opacity: 0.7; }

  /* ─── SPONSORS PAGE ─────────────────────────────────── */
  .sponsor-tier {
    margin-bottom: 48px;
  }

  .tier-label {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 11px; font-weight: 700; letter-spacing: 2px;
    text-transform: uppercase; padding: 6px 14px; border-radius: 100px;
    margin-bottom: 24px;
  }

  .tier-platinum { background: linear-gradient(135deg, #e8e8f0, #d0d0e0); color: #555; }
  .tier-gold { background: linear-gradient(135deg, #fef3c7, #fde68a); color: #92400e; }
  .tier-silver { background: linear-gradient(135deg, #f1f5f9, #e2e8f0); color: #475569; }

  .sponsor-grid { display: flex; gap: 16px; flex-wrap: wrap; }

  .sponsor-card {
    background: white; border-radius: 16px; padding: 32px;
    border: 1px solid var(--border); display: flex;
    align-items: center; justify-content: center;
    flex-direction: column; gap: 12px;
    transition: all 0.2s; cursor: pointer;
    box-sizing: border-box;
  }

  .sponsor-card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 24px rgba(22,112,117,0.12);
    transform: translateY(-2px);
  }

  .sponsor-logo-placeholder {
    width: 80px; height: 40px; border-radius: 8px;
    background: linear-gradient(135deg, var(--bg), var(--border));
  }

  .sponsor-name { font-size: 13px; font-weight: 600; color: var(--text-muted); }

  .sponsor-cta {
    background: linear-gradient(135deg, #f8fafa, #f0f5f5);
    border: 2px dashed var(--border); border-radius: 20px;
    padding: 40px; text-align: center; margin-top: 32px;
  }

  .sponsor-cta h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
  .sponsor-cta p { color: var(--text-muted); margin-bottom: 20px; font-size: 14px; }

  /* ─── CONTACT PAGE ─────────────────────────────────── */
  .contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; align-items: stretch; }

  .contact-info { display: flex; flex-direction: column; gap: 12px; height: 100%; }

  .contact-item {
    display: flex; align-items: center; gap: 16px;
    background: white; border-radius: 16px; padding: 16px 20px;
    border: 1px solid var(--border);
    flex: 1;
  }

  .contact-icon {
    width: 44px; height: 44px; border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; flex-shrink: 0;
  }

  .contact-item h4 { font-size: 12px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 3px; }
  .contact-item p { font-size: 14px; font-weight: 500; line-height: 1.4; }

  .contact-form-card {
    background: white; border-radius: 20px; padding: 36px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 24px rgba(0,0,0,0.04);
    display: flex; flex-direction: column;
  }

  .contact-form-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 24px; }

  /* ─── FORM ELEMENTS ─────────────────────────────────── */
  .form-group { margin-bottom: 20px; }

  .form-label {
    display: block; font-size: 13px; font-weight: 600;
    color: var(--text); margin-bottom: 8px; letter-spacing: 0.3px;
  }

  .form-label .req { color: var(--highlight); margin-left: 3px; }

  .form-control {
    width: 100%; padding: 12px 16px;
    border: 1.5px solid var(--border); border-radius: 10px;
    font-size: 14px; font-family: var(--font);
    color: var(--text); background: white;
    transition: all 0.2s; outline: none;
    appearance: none;
  }

  .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(22,112,117,0.1);
  }

  .form-control::placeholder { color: #aab8b8; }

  select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23167075' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 14px center;
    padding-right: 40px; cursor: pointer;
  }

  textarea.form-control { resize: vertical; min-height: 100px; }

  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

  /* ─── REGISTRATION PAGE ─────────────────────────────────── */
  .reg-wrapper {
    flex: 1; padding: 40px;
    display: flex; align-items: flex-start;
    justify-content: center;
  }

  .reg-card {
    background: white; border-radius: 24px;
    width: 100%; max-width: 680px;
    padding: 48px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.08);
    border: 1px solid var(--border);
    position: relative; overflow: hidden;
  }

  .reg-card::after {
    content: ''; position: absolute;
    bottom: -60px; right: -60px;
    width: 200px; height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(22,112,117,0.05), rgba(47,104,98,0.05));
    pointer-events: none;
  }

  .reg-header {
    text-align: center; margin-bottom: 36px;
    padding-bottom: 28px; border-bottom: 1px solid var(--border);
    position: relative;
  }

  .reg-header::after {
    content: ''; position: absolute; bottom: -1px; left: 50%;
    transform: translateX(-50%); width: 60px; height: 2px;
    background: var(--primary);
  }

  .reg-header h2 {
    font-size: 13px; font-weight: 700; letter-spacing: 2px;
    text-transform: uppercase; color: var(--text-muted);
    margin-bottom: 4px;
  }

  .reg-header .reg-title {
    font-size: 28px; font-weight: 700; color: var(--primary);
    letter-spacing: -0.5px;
  }

  .reg-section-title {
    font-size: 11px; font-weight: 700; letter-spacing: 2px;
    text-transform: uppercase; color: var(--highlight);
    margin-bottom: 16px; padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
  }

  /* ─── PROFILE DASHBOARD ─────────────────────────────────── */
  .dashboard-layout {
    display: grid; grid-template-columns: 280px 1fr; gap: 24px;
    padding: 32px 40px; flex: 1; max-width: 1280px;
    margin: 0 auto; width: 100%;
  }

  .dashboard-sidebar {
    display: flex; flex-direction: column; gap: 12px;
    position: sticky; top: 80px; align-self: flex-start;
  }

  .profile-card-mini {
    background: white; border-radius: 20px; padding: 24px;
    border: 1px solid var(--border); text-align: center;
    box-shadow: 0 4px 16px rgba(0,0,0,0.04);
  }

  .avatar {
    width: 72px; height: 72px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex; align-items: center; justify-content: center;
    font-size: 28px; font-weight: 700; color: white;
    margin: 0 auto 12px;
  }

  .profile-name { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
  .profile-email { font-size: 12px; color: var(--text-muted); }
  .profile-org { font-size: 13px; font-weight: 600; color: var(--primary); margin-top: 8px; }

  .sidebar-menu { background: white; border-radius: 16px; border: 1px solid var(--border); overflow: hidden; }

  .sidebar-item {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 18px; cursor: pointer; transition: all 0.2s;
    border-bottom: 1px solid var(--border); font-size: 14px; font-weight: 500;
    border: none; background: none; width: 100%; text-align: left;
    font-family: var(--font); color: var(--text);
  }

  .sidebar-item:last-child { border-bottom: none; }

  .sidebar-item:hover { background: var(--bg); color: var(--primary); }

  .sidebar-item.active { background: rgba(22,112,117,0.06); color: var(--primary); font-weight: 600; }

  .sidebar-item-icon { font-size: 18px; }

  .sidebar-badge {
    margin-left: auto; background: var(--highlight); color: white;
    font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: 100px;
  }

  .sidebar-badge.done { background: var(--success); }

  .dashboard-main { display: flex; flex-direction: column; gap: 20px; }

  /* Dashboard Panels */
  .dash-panel {
    background: white; border-radius: 20px; padding: 32px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 16px rgba(0,0,0,0.04);
  }

  .dash-panel.hidden { display: none; }

  .panel-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--border);
  }

  .panel-title { font-size: 20px; font-weight: 700; }
  .panel-subtitle { font-size: 13px; color: var(--text-muted); margin-top: 3px; }

  .panel-badge {
    padding: 6px 14px; border-radius: 100px; font-size: 11px; font-weight: 700;
    letter-spacing: 1px; text-transform: uppercase;
  }

  .badge-pending { background: #fef3c7; color: #92400e; }
  .badge-complete { background: #d1fae5; color: #065f46; }

  /* Progress bar */
  .progress-wrap { margin-bottom: 20px; }
  .progress-label { display: flex; justify-content: space-between; font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
  .progress-bar { height: 6px; background: var(--bg); border-radius: 100px; overflow: hidden; }
  .progress-fill { height: 100%; border-radius: 100px; background: linear-gradient(90deg, var(--primary), var(--secondary)); transition: width 0.5s; }

  /* Questionnaire Q items */
  .q-item {
    margin-bottom: 20px; background: var(--bg); border-radius: 14px;
    padding: 20px; border: 1px solid transparent; transition: border-color 0.2s;
  }

  .q-item:focus-within { border-color: var(--primary); }

  .q-num {
    font-size: 10px; font-weight: 700; letter-spacing: 1px;
    text-transform: uppercase; color: var(--text-muted); margin-bottom: 6px;
  }

  .q-text { font-size: 15px; font-weight: 600; margin-bottom: 14px; }

  .q-dynamic { margin-top: 16px; display: none; }
  .q-dynamic.visible { display: block; }

  /* Certificate */
  .cert-wrapper {
    background: white; border-radius: 20px;
    padding: 32px; border: 1px solid var(--border);
  }

  .certificate {
    max-width: 760px; margin: 0 auto;
    border: 3px solid var(--primary);
    border-radius: 20px; overflow: hidden;
    box-shadow: 0 8px 40px rgba(22,112,117,0.15);
  }

  .cert-header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 32px; text-align: center; color: white;
    position: relative;
  }

  .cert-header::before, .cert-header::after {
    content: ''; position: absolute;
    width: 120px; height: 120px; border-radius: 50%;
    background: rgba(255,255,255,0.05);
  }

  .cert-header::before { top: -40px; left: -40px; }
  .cert-header::after { bottom: -40px; right: -40px; }

  .cert-logos { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
  .cert-logo-box {
    background: rgba(255,255,255,0.15); padding: 8px 16px;
    border-radius: 8px; font-size: 11px; font-weight: 700;
    letter-spacing: 1px; text-transform: uppercase;
  }

  .cert-eyebrow {
    font-size: 11px; letter-spacing: 3px; text-transform: uppercase;
    opacity: 0.7; margin-bottom: 8px;
  }

  .cert-title { font-size: 28px; font-weight: 800; letter-spacing: -0.5px; }

  .cert-body { padding: 40px; text-align: center; }

  .cert-declare {
    font-size: 13px; color: var(--text-muted); letter-spacing: 1px;
    text-transform: uppercase; margin-bottom: 16px;
  }

  .cert-name {
    font-size: 36px; font-weight: 800; color: var(--primary);
    margin-bottom: 4px; letter-spacing: -1px;
  }

  .cert-org { font-size: 16px; color: var(--text-muted); margin-bottom: 24px; }

  .cert-desc {
    font-size: 14px; color: var(--text-muted); line-height: 1.8;
    max-width: 480px; margin: 0 auto 28px;
  }

  .cert-footprint-box {
    display: inline-block;
    background: linear-gradient(135deg, var(--bg), white);
    border: 2px solid var(--primary); border-radius: 16px;
    padding: 20px 40px; margin-bottom: 28px;
  }

  .cert-footprint-label { font-size: 11px; color: var(--text-muted); letter-spacing: 1px; text-transform: uppercase; }
  .cert-footprint-value { font-size: 40px; font-weight: 800; color: var(--primary); }
  .cert-footprint-unit { font-size: 14px; color: var(--text-muted); }

  .cert-divider {
    border: none; border-top: 1px solid var(--border);
    margin: 24px 0;
  }

  .cert-footer-row {
    display: flex; justify-content: space-between; align-items: flex-end;
    padding: 0 40px 28px;
  }

  .cert-sig { text-align: center; }
  .cert-sig-line { width: 140px; height: 1px; background: var(--text-muted); margin: 0 auto 6px; }
  .cert-sig-name { font-size: 12px; font-weight: 700; }
  .cert-sig-title { font-size: 10px; color: var(--text-muted); }

  .cert-seal {
    width: 80px; height: 80px; border-radius: 50%;
    border: 3px solid var(--highlight); display: flex;
    align-items: center; justify-content: center; flex-direction: column;
    color: var(--highlight); font-size: 9px; font-weight: 700;
    letter-spacing: 0.5px; text-align: center; line-height: 1.3;
    text-transform: uppercase;
  }

  .cert-date { font-size: 11px; color: var(--text-muted); text-align: right; }

  /* ─── ALERTS & TOASTS ─────────────────────────────────── */
  .alert-success {
    background: #d1fae5; border: 1px solid #a7f3d0; border-radius: 12px;
    padding: 16px 20px; display: flex; align-items: center; gap: 12px;
    font-size: 14px; color: #065f46; margin-bottom: 20px;
  }

  /* ─── RESPONSIVE ─────────────────────────────────── */
  @media (max-width: 768px) {
    nav { padding: 0 20px; }
    .nav-links { display: none; }

    .hero-content { flex-direction: column; padding: 40px 20px 60px; gap: 32px; }
    .hero-title { font-size: 36px; }
    .hero-right { flex: none; width: 100%; }

    .section-page { padding: 40px 20px; }
    .about-grid { grid-template-columns: 1fr; }
    .about-mission { flex-direction: column; }
    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }

    .reg-wrapper { padding: 20px; }
    .reg-card { padding: 28px 20px; }

    .dashboard-layout { grid-template-columns: 1fr; padding: 20px; }
    .dashboard-sidebar { position: static; }

    .cert-footer-row { flex-direction: column; gap: 20px; align-items: center; }
    .cert-name { font-size: 26px; }
    footer { flex-direction: column; gap: 8px; text-align: center; }
  }

  /* ─── ANIMATIONS ─────────────────────────────────── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .fade-up { animation: fadeUp 0.5s ease forwards; }
  .fade-up-2 { animation: fadeUp 0.5s 0.1s ease both; }
  .fade-up-3 { animation: fadeUp 0.5s 0.2s ease both; }

  /* ─── HAMBURGER ─────────────────────────────────── */
  .hamburger {
    display: none; background: none; border: none;
    cursor: pointer; flex-direction: column; gap: 4px; padding: 4px;
  }

  .hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; }

  @media (max-width: 768px) {
    .hamburger { display: flex; }
  }

  .mobile-menu {
    display: none; position: fixed; top: 64px; left: 0; right: 0;
    background: white; border-bottom: 1px solid var(--border);
    padding: 16px; z-index: 99; flex-direction: column; gap: 4px;
  }

  .mobile-menu.open { display: flex; }
  .mobile-menu .nav-link { width: 100%; padding: 12px 16px; }

  /* Dot step indicator */
  .step-dots {
    display: flex; gap: 8px; align-items: center; margin-bottom: 28px;
  }

  .step-dot {
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--border); transition: all 0.3s;
  }

  .step-dot.done { background: var(--success); }
  .step-dot.active { background: var(--primary); transform: scale(1.3); }

  .step-label { font-size: 12px; color: var(--text-muted); margin-left: 4px; }

#about {
    scroll-margin-top: 80px;
}
/* ─── PARTNERS / LOGO CARDS ─────────────────────────────── */
.tier-netzero { background: linear-gradient(135deg, #d1fae5, #a7f3d0); color: #065f46; }

.logo-sponsor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  width: 100%;
}

.logo-card {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px 16px 20px;
  height: 140px;
  min-width: 0;
  box-sizing: border-box;
}

.logo-card-lg {
  /* same as logo-card — uniform height across all tiers */
}

.logo-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  width: 100%;
  max-height: 72px;
  overflow: hidden;
}

.brand-svg {
  width: 100%;
  max-width: 160px;
  height: 56px;
  overflow: visible;
}

/* ─── SCROLL MARGIN ─────────────────────────────────────── */
#home, #about, #partners, #sponsors, #contact {
  scroll-margin-top: 64px;
}

/* ─── REGISTER NOW BUTTON — orange/brown accent on click ── */
.btn-register {
  position: relative;
  overflow: hidden;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
}

.btn-register::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(209,136,47,0.45) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.15s;
  pointer-events: none;
}

.btn-register:active {
  background: #b8721f;
  transform: scale(0.97) translateY(0);
  box-shadow: 0 0 0 3px rgba(209,136,47,0.35), 0 2px 12px rgba(209,136,47,0.4);
}

.btn-register:active::after {
  opacity: 1;
}

/* ─── LOGIN BUTTON ──────────────────────────────────────── */
.btn-login {
  background: transparent;
  color: var(--primary);
  padding: 10px 20px;
  border-radius: 8px;
  border: 1.5px solid var(--primary);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s;
  font-family: var(--font);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.btn-login:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(22,112,117,0.25);
}

.btn-login:active {
  transform: scale(0.97);
}

/* ─── SPONSOR PLACEHOLDER CARD ─────────────────────────── */
.sponsor-placeholder {
  border-style: dashed !important;
  border-color: var(--border) !important;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 6px,
    rgba(200,218,218,0.18) 6px,
    rgba(200,218,218,0.18) 12px
  ) !important;
  cursor: default;
  pointer-events: none;
  opacity: 0.75;
}

.sponsor-placeholder:hover {
  transform: none !important;
  box-shadow: none !important;
  border-color: var(--border) !important;
}

/* ─── SCHEDULE SECTION ──────────────────────────────────── */
#schedule { background: #f8fbfa; scroll-margin-top: 64px; }

.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: white;
}

.schedule-item {
  border-bottom: 1px solid var(--border);
}
.schedule-item:last-child { border-bottom: none; }

.schedule-trigger {
  display: flex;
  align-items: center;
  gap: 0;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  text-align: left;
  font-family: var(--font);
  transition: background 0.15s;
}
.schedule-trigger:hover { background: rgba(22,112,117,0.03); }
.schedule-trigger.open { background: rgba(22,112,117,0.04); }

.schedule-time {
  flex: 0 0 160px;
  padding: 18px 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.3px;
  border-right: 1px solid var(--border);
  line-height: 1.4;
  white-space: nowrap;
}

.schedule-dot {
  width: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.schedule-dot-inner {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}
.schedule-item.parallel .schedule-dot-inner { background: var(--highlight); }
.schedule-item.break .schedule-dot-inner { background: var(--border); }

.schedule-heading {
  flex: 1;
  padding: 18px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}
.schedule-heading .session-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 100px;
  margin-right: 8px;
  vertical-align: middle;
}
.tag-session { background: rgba(22,112,117,0.1); color: var(--primary); }
.tag-parallel { background: rgba(209,136,47,0.12); color: var(--highlight); }
.tag-masterclass { background: rgba(47,104,98,0.1); color: var(--secondary); }
.tag-keynote { background: rgba(22,112,117,0.08); color: var(--primary); }
.tag-break { background: var(--bg); color: var(--text-muted); }
.tag-inaugural { background: rgba(22,112,117,0.14); color: var(--primary); }

.schedule-chevron {
  width: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 12px;
  transition: transform 0.25s;
  padding-right: 4px;
}
.schedule-trigger.open .schedule-chevron { transform: rotate(180deg); }

/* no chevron for break/non-expandable */
.schedule-item.no-expand .schedule-chevron { visibility: hidden; }
.schedule-item.no-expand .schedule-trigger { cursor: default; }
.schedule-item.no-expand .schedule-trigger:hover { background: none; }

.schedule-body {
  display: none;
  padding: 0 20px 20px 216px; /* aligns with heading col */
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  background: rgba(22,112,117,0.015);
}
.schedule-body.open { display: block; }
.schedule-item.parallel .schedule-body { background: rgba(209,136,47,0.02); }

.schedule-body p { margin-bottom: 8px; }
.schedule-body p:last-child { margin-bottom: 0; }
.schedule-body strong { color: var(--text); font-weight: 600; }

.schedule-body .speaker-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(200,218,218,0.4);
  font-size: 13px;
}
.schedule-body .speaker-row:last-of-type { border-bottom: none; }
.speaker-bullet { color: var(--primary); font-size: 12px; font-weight: 700; line-height: 2; margin-top: 0; flex-shrink: 0; }

.schedule-register-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  padding: 9px 18px;
  background: var(--highlight);
  color: white;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}
.schedule-register-link:hover { background: #b8721f; transform: translateY(-1px); }

@media (max-width: 768px) {
  .schedule-time { flex: 0 0 90px; font-size: 10px; padding: 14px 10px; }
  .schedule-dot { width: 24px; }
  .schedule-heading { font-size: 13px; padding: 14px 10px; }
  .schedule-body { padding: 12px 16px 16px 16px; }
  .logo-sponsor-grid { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
}

/* ─── SVG ICON SYSTEM ───────────────────────────────────── */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.icon svg {
  display: block;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
/* inside coloured icon boxes — white stroke */
.contact-icon .icon svg,
.about-card-icon .icon svg {
  stroke: white;
}
/* hero meta icons sit on white bg — use teal */
.hero-meta-icon .icon svg {
  stroke: var(--primary);
}

/* ─── SPONSOR IMAGE LOGOS ───────────────────────────────── */
.sponsor-img {
  max-width: 100%;
  max-height: 56px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}
.sponsor-img-fallback {
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  height: 56px;
}

/* ════════════════════════════════════════════════════════════
   NEW COMPONENTS — Drawer, Accordion, Collapsible, Cards
════════════════════════════════════════════════════════════ */

/* ── DRAWER BUTTON (desktop nav) ──────────────────────────── */
.nav-drawer-btn {
  background: none;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  color: var(--text);
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: all 0.2s;
}
.nav-drawer-btn:hover {
  background: var(--bg);
  border-color: var(--primary);
  color: var(--primary);
}

/* ── SIDE DRAWER ───────────────────────────────────────────── */
.drawer-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 998; opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}
.drawer-overlay.open { opacity: 1; pointer-events: all; }

.side-drawer {
  position: fixed; top: 0; right: 0;
  height: 100vh; width: 280px;
  background: white; z-index: 999;
  box-shadow: -4px 0 32px rgba(0,0,0,0.15);
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(.4,0,.2,1);
  display: flex; flex-direction: column;
  overflow-y: auto;
}
.side-drawer.open { transform: translateX(0); }

.drawer-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.drawer-title { font-size: 15px; font-weight: 700; color: var(--text); }
.drawer-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); padding: 6px; border-radius: 6px;
  transition: background 0.15s; line-height: 0;
}
.drawer-close:hover { background: var(--bg); color: var(--text); }

.drawer-nav {
  display: flex; flex-direction: column;
  padding: 12px; gap: 2px; flex: 1;
}
.drawer-link {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px;
  background: none; border: none; border-radius: 10px;
  cursor: pointer; font-size: 15px; font-weight: 500;
  color: var(--text); font-family: var(--font);
  text-align: left;
  transition: background 0.15s, color 0.15s;
  width: 100%;
}
.drawer-link:hover { background: rgba(22,112,117,0.07); color: var(--primary); }
.drawer-link svg { flex-shrink: 0; color: var(--text-muted); }
.drawer-link:hover svg { color: var(--primary); }

/* ── HERO META CTA ─────────────────────────────────────────── */
.hero-meta-cta {
  background: none; border: none; cursor: pointer;
  font-family: var(--font); text-align: left;
  text-decoration: none; color: inherit; padding: 0;
  transition: transform 0.15s;
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; color: var(--text-muted);
}
.hero-meta-cta:hover { transform: translateY(-1px); }
.hero-meta-cta:hover .hero-meta-icon {
  box-shadow: 0 4px 12px rgba(22,112,117,0.2);
}

/* ── ABOUT ACCORDION ───────────────────────────────────────── */
.about-accordion {
  display: flex; flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 18px; overflow: hidden;
  margin-bottom: 40px;
}
.ac-item { border-bottom: 1px solid var(--border); }
.ac-item:last-child { border-bottom: none; }

.ac-trigger {
  display: flex; align-items: center; gap: 16px;
  width: 100%; background: white; border: none;
  padding: 20px 24px; cursor: pointer;
  text-align: left; font-family: var(--font);
  transition: background 0.18s;
}
.ac-trigger:hover { background: rgba(22,112,117,0.03); }
.ac-item.open .ac-trigger { background: rgba(22,112,117,0.04); }

.ac-icon-wrap {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.2s;
}
.ac-trigger:hover .ac-icon-wrap { transform: scale(1.06); }
.ac-icon-wrap .icon svg { stroke: white; fill: none; }

.ac-title {
  flex: 1; font-size: 16px; font-weight: 700; color: var(--text);
}
.ac-chevron {
  color: var(--text-muted); display: flex; align-items: center;
  transition: transform 0.3s cubic-bezier(.4,0,.2,1);
  flex-shrink: 0;
}
.ac-item.open .ac-chevron { transform: rotate(180deg); color: var(--primary); }

.ac-body {
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s cubic-bezier(.4,0,.2,1);
  background: rgba(22,112,117,0.015);
}
.ac-body p {
  padding: 0 24px 22px 84px;
  font-size: 14px; line-height: 1.75;
  color: var(--text-muted); margin: 0;
}

/* ── COLLAPSIBLE SECTIONS (partners / sponsors) ─────────────── */
.collapsible-section {
  border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden;
}
.collapsible-header {
  width: 100%; display: flex; align-items: center;
  justify-content: space-between;
  padding: 14px 20px; background: white;
  border: none; cursor: pointer;
  font-family: var(--font); transition: background 0.15s; gap: 16px;
}
.collapsible-header:hover { background: rgba(22,112,117,0.03); }
.collapsible-header.open { background: rgba(22,112,117,0.04); }
.collapsible-label { font-size: 14px; font-weight: 600; color: var(--text-muted); }
.collapsible-chevron {
  color: var(--primary); display: flex; align-items: center; flex-shrink: 0;
  transition: transform 0.25s cubic-bezier(.4,0,.2,1);
}
.collapsible-chevron.rotated { transform: rotate(180deg); }
.collapsible-body {
  border-top: 1px solid var(--border);
  padding: 20px; background: rgba(22,112,117,0.01);
}
.sponsor-sub-tier { margin-bottom: 24px; }
.sponsor-sub-tier:last-child { margin-bottom: 0; }

/* ── SC CARD GRID — equal 3 columns ─────────────────────────── */
.sc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.sc-card {
  background: white; border-radius: 12px;
  border: 1px solid var(--border);
  height: 120px; display: flex;
  align-items: center; justify-content: center;
  padding: 14px 16px; box-sizing: border-box;
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
}
.sc-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(22,112,117,0.1);
  border-color: rgba(22,112,117,0.28);
}
.sc-placeholder {
  border-style: dashed;
  background: repeating-linear-gradient(
    -45deg, transparent, transparent 5px,
    rgba(200,218,218,0.15) 5px, rgba(200,218,218,0.15) 10px
  );
  pointer-events: none; opacity: 0.7;
}
.sc-placeholder:hover { transform: none; box-shadow: none; }
.sc-img-wrap {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
}
.sc-img {
  width: 100%; height: 100%;
  object-fit: contain; object-position: center; display: block;
}
.sc-fallback {
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100%;
  font-size: 13px; font-weight: 700; color: var(--text-muted); text-align: center;
}

/* ════════════════════════════════════════════════════════════
   COMPREHENSIVE MOBILE RESPONSIVE FIXES
   — Prevents all horizontal scrolling on iPhone/Android
════════════════════════════════════════════════════════════ */

/* Global overflow guard */
html, body {
  overflow-x: hidden;
  max-width: 100vw;
}

@media (max-width: 768px) {

  /* ── Nav ── */
  .nav-drawer-btn { display: none; } /* on mobile use hamburger instead */

  /* ── Hero ── */
  .hero-content { padding: 32px 16px 48px; gap: 28px; }
  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 15px; }
  .hero-right { flex: none; width: 100%; min-width: 0; }
  .stat-row { gap: 10px; }
  .hero-meta { gap: 16px; }
  .hero-badge { font-size: 10px; padding: 5px 10px; }

  /* ── Section page ── */
  .section-page { padding: 32px 16px; }
  .section-title { font-size: 28px; }

  /* ── About accordion ── */
  .ac-trigger { padding: 16px; gap: 12px; }
  .ac-title { font-size: 14px; }
  .ac-body p { padding: 0 16px 18px 16px; }
  .ac-icon-wrap { width: 38px; height: 38px; border-radius: 10px; }

  /* ── About mission ── */
  .about-mission { padding: 28px 20px; flex-direction: column; gap: 20px; }
  .mission-text h2 { font-size: 20px; }
  .mission-stat { flex: none; }
  .mission-stat .big { font-size: 48px; }

  /* ── Schedule ── */
  .schedule-time {
    flex: 0 0 80px;
    font-size: 9px; padding: 12px 8px;
    white-space: normal; line-height: 1.3;
  }
  .schedule-dot { width: 20px; }
  .schedule-heading { font-size: 12px; padding: 12px 8px; }
  .schedule-chevron { width: 28px; font-size: 10px; }
  .schedule-body { padding: 12px 14px 16px 14px; }
  .session-tag { font-size: 8px; padding: 1px 5px; }

  /* ── Collapsible sponsors ── */
  .collapsible-body { padding: 14px; }
  .sc-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .sc-card { height: 90px; padding: 10px; }
  .sponsor-sub-tier { margin-bottom: 16px; }

  /* ── Contact ── */
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-card { padding: 20px; }

  /* ── Footer ── */
  footer { flex-direction: column; gap: 8px; text-align: center; padding: 16px; }

  /* ── Side drawer full-width on very small screens ── */
  .side-drawer { width: min(280px, 90vw); }
}

/* Desktop nav cleanup — make drawer btn look polished */
@media (min-width: 769px) {
  .hamburger { display: none !important; }
  .mobile-menu { display: none !important; }
  .nav-links { display: flex !important; }
}

/* ─── HARD FIX: HIDE MENUS UNLESS OPEN ───────────────────── */

/* Both menus hidden by default */
.mobile-menu:not(.open):not(.active),
.side-drawer:not(.open):not(.active),
.drawer-overlay:not(.open):not(.active) {
  display: none !important;
}

/* Desktop: compact right dropdown only */
@media (min-width: 901px) {
  .mobile-menu,
  .mobile-menu.open,
  .mobile-menu.active {
    display: none !important;
  }

  .drawer-overlay,
  .drawer-overlay.open,
  .drawer-overlay.active {
    display: none !important;
  }

  .side-drawer.open,
  .side-drawer.active {
    display: block !important;
    position: fixed !important;
    top: 72px !important;
    right: 0 !important;
    left: auto !important;
    width: 260px !important;
    height: auto !important;
    background: rgba(238, 243, 243, 0.9) !important;
    border: 1px solid rgba(22, 112, 117, 0.16) !important;
    border-top: none !important;
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.12) !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    z-index: 1300 !important;
    font-family: var(--font) !important;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }

  .side-drawer .drawer-header {
    display: none !important;
  }
}

/* Mobile: hamburger dropdown only */
@media (max-width: 900px) {
  .side-drawer,
  .side-drawer.open,
  .side-drawer.active,
  .drawer-overlay,
  .drawer-overlay.open,
  .drawer-overlay.active {
    display: none !important;
  }

  .mobile-menu.open,
  .mobile-menu.active {
    display: flex !important;
    position: fixed !important;
    top: 68px !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 1190 !important;
    flex-direction: column !important;
    gap: 6px !important;
    padding: 14px 16px 18px !important;
    background: rgba(238, 243, 243, 0.96) !important;
    border-bottom: 1px solid rgba(22, 112, 117, 0.14) !important;
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.1) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }
}

/* ─── HARD FIX: HIDE MENUS UNLESS OPEN ───────────────────── */

/* Both menus hidden by default */
.mobile-menu:not(.open):not(.active),
.side-drawer:not(.open):not(.active),
.drawer-overlay:not(.open):not(.active) {
  display: none !important;
}

/* Desktop: compact right dropdown only */
@media (min-width: 901px) {
  .mobile-menu,
  .mobile-menu.open,
  .mobile-menu.active {
    display: none !important;
  }

  .drawer-overlay,
  .drawer-overlay.open,
  .drawer-overlay.active {
    display: none !important;
  }

  .side-drawer.open,
  .side-drawer.active {
    display: block !important;
    position: fixed !important;
    top: 72px !important;
    right: 0 !important;
    left: auto !important;
    width: 260px !important;
    height: auto !important;
    background: rgba(238, 243, 243, 0.9) !important;
    border: 1px solid rgba(22, 112, 117, 0.16) !important;
    border-top: none !important;
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.12) !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    z-index: 1300 !important;
    font-family: var(--font) !important;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
  }

  .side-drawer .drawer-header {
    display: none !important;
  }
}

/* Mobile: hamburger dropdown only */
@media (max-width: 900px) {
  .side-drawer,
  .side-drawer.open,
  .side-drawer.active,
  .drawer-overlay,
  .drawer-overlay.open,
  .drawer-overlay.active {
    display: none !important;
  }

  .mobile-menu.open,
  .mobile-menu.active {
    display: flex !important;
    position: fixed !important;
    top: 68px !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 1190 !important;
    flex-direction: column !important;
    gap: 6px !important;
    padding: 14px 16px 18px !important;
    background: rgba(238, 243, 243, 0.96) !important;
    border-bottom: 1px solid rgba(22, 112, 117, 0.14) !important;
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.1) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }
}

.site-nav {
  transform: translateY(0);
  transition: transform 0.25s ease;
}

.site-nav.nav-hidden {
  transform: translateY(-100%) !important;
}
/* Desktop-only navbar hide/reveal */
@media (min-width: 901px) {
  .site-nav {
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    transform: translateY(0) !important;
    transition: transform 0.25s ease, box-shadow 0.2s ease !important;
    will-change: transform;
  }

  .site-nav.nav-hidden {
    transform: translateY(-100%) !important;
  }

  body {
    padding-top: 72px;
  }
}
/* ─── FINAL LOGO + MOBILE NAV + COLLAPSIBLE HEADING FIX ─── */

/* Leaf summit logo */
.summit-mark {
  gap: 9px !important;
  padding: 0 !important;
}

.summit-leaf-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  color: var(--primary);
  background: rgba(22, 112, 117, 0.1);
  border: 1px solid rgba(22, 112, 117, 0.16);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.summit-mark-text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
  color: var(--text);
  text-transform: none;
  letter-spacing: 0;
}

.summit-mark-text strong {
  font-size: 15px;
  font-weight: 800;
  color: var(--primary);
}

.summit-mark-text small {
  margin-top: 3px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
}

/* Make Partners and Sponsors collapsible headings match */
.collapsible-header {
  min-height: 58px;
  padding: 14px 18px !important;
  background: rgba(255, 255, 255, 0.86) !important;
}

.collapsible-header .tier-label,
.collapsible-header .collapsible-label {
  margin: 0 !important;
  padding: 7px 14px !important;
  border-radius: 999px !important;
  background: rgba(22, 112, 117, 0.1) !important;
  color: var(--primary) !important;
  border: 1px solid rgba(22, 112, 117, 0.16);
  font-size: 11px !important;
  font-weight: 800 !important;
  letter-spacing: 1.4px !important;
  text-transform: uppercase !important;
}

/* Fix phone navbar visibility */
@media (max-width: 900px) {
  .site-nav {
    display: flex !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    transform: translateY(0) !important;
    opacity: 1 !important;
    visibility: visible !important;
    z-index: 1400 !important;
  }

  body {
    padding-top: 68px !important;
  }
}
/* ─── COMPACT CONTACT SECTION ───────────────────────────── */

#contact .section-page {
  padding-top: 36px !important;
  padding-bottom: 32px !important;
}

#contact .section-header {
  margin-bottom: 24px !important;
}

#contact .section-eyebrow {
  margin-bottom: 8px !important;
}

#contact .section-title {
  font-size: 34px !important;
  line-height: 1.12 !important;
}

#contact .section-desc {
  margin-top: 8px !important;
  max-width: 720px !important;
  line-height: 1.5 !important;
}

#contact .contact-grid {
  gap: 24px !important;
  align-items: start !important;
}

#contact .contact-info {
  gap: 8px !important;
}

#contact .contact-item {
  padding: 12px 16px !important;
  border-radius: 12px !important;
}

#contact .contact-icon {
  width: 38px !important;
  height: 38px !important;
  border-radius: 10px !important;
}

#contact .contact-form-card {
  padding: 24px !important;
  border-radius: 16px !important;
}

#contact .contact-form-card h3 {
  margin-bottom: 16px !important;
}

#contact .form-group {
  margin-bottom: 14px !important;
}

#contact .form-label {
  margin-bottom: 6px !important;
}

#contact .form-control {
  padding: 10px 14px !important;
}

#contact textarea.form-control {
  min-height: 82px !important;
}

#contact footer {
  margin-top: 0 !important;
}

@media (max-width: 768px) {
  #contact .section-page {
    padding-top: 28px !important;
    padding-bottom: 24px !important;
  }

  #contact .section-title {
    font-size: 28px !important;
  }

  #contact .contact-grid {
    gap: 16px !important;
  }

  #contact .contact-form-card {
    padding: 18px !important;
  }
}
/* ─── HERO CTA BUTTON FIX ─────────────────────────────── */

.hero-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-cta .btn-primary,
.hero-cta .btn-outline {
  min-height: 48px !important;
  padding: 14px 28px !important;
  border-radius: 8px !important;
  font-size: 15px !important;
  font-weight: 700 !important;
  line-height: 1 !important;
  font-family: var(--font) !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  text-decoration: none !important;
  white-space: nowrap !important;
  box-sizing: border-box !important;
}

.hero-cta .btn-outline {
  background: rgba(255, 255, 255, 0.68) !important;
  color: var(--primary) !important;
  border: 1.5px solid var(--primary) !important;
  box-shadow: 0 8px 18px rgba(22, 112, 117, 0.1);
}

.hero-cta .btn-outline:hover {
  background: var(--primary) !important;
  color: #fff !important;
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(22, 112, 117, 0.24);
}
/* ─── ABOUT HEADER ALIGNMENT FIX ────────────────────────── */

#about .section-header {
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

#about .section-eyebrow,
#about .section-title,
#about .section-desc {
  text-align: left;
}

#about .section-desc {
  max-width: 760px;
  line-height: 1.65;
}

@media (max-width: 768px) {
  #about .section-eyebrow,
  #about .section-title,
  #about .section-desc {
    text-align: left;
  }

  #about .section-desc {
    max-width: 100%;
  }
}