/* ═══════════════════════════════════════════════
   SCIENTIA UKRAINE — Master CSS v1.0 (WP Theme)
   Primary: #485cdd  |  Accent/hover: #f5c842
   Author: IndieMan (indieman.com.ua)
   ═══════════════════════════════════════════════ */

:root {
  --navy:         #050b16;
  --navy-mid:     #0a1628;
  --primary:      #485cdd;
  --primary-dim:  rgba(72, 92, 221, 0.12);
  --primary-glow: rgba(72, 92, 221, 0.3);
  --gold:         #f5c842;
  --gold-dim:     rgba(245, 200, 66, 0.12);
  --glass:        rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.1);
  --text-grey:    #a5b4c1;
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html, body { overflow-x: hidden; width: 100%; -webkit-text-size-adjust: 100%; }
body {
  background: var(--navy);
  color: #fff;
  font-family: 'Outfit', sans-serif;
  line-height: 1.6;
}
main { padding-top: 90px; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--gold); }
img { max-width: 100%; height: auto; display: block; }

/* ── Layout ── */
.container { max-width: 1400px; margin: 0 auto; padding: 0 40px; width: 100%; }

/* ── Grids ── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ══════════════════════════════════════════════
   1. TOP BAR
   ══════════════════════════════════════════════ */
.top-bar {
  background: rgba(0, 0, 0, 0.5);
  padding: 7px 0;
  font-size: 11px;
  border-bottom: 1px solid rgba(72, 92, 221, 0.2);
  letter-spacing: 0.5px;
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.top-bar__left { color: rgba(255,255,255,0.45); display: flex; align-items: center; gap: 16px; }
.top-bar__left strong { color: var(--primary); font-weight: 700; }
.top-bar__sep { opacity: 0.3; }
.top-bar__right { display: flex; align-items: center; gap: 20px; color: rgba(255,255,255,0.4); }
.top-bar__right a { color: rgba(255,255,255,0.45); text-decoration: none; transition: color 0.2s; }
.top-bar__right a:hover { color: var(--gold); }

/* ══════════════════════════════════════════════
   2. HEADER & NAVIGATION
   ══════════════════════════════════════════════ */
.site-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 9999;
  background: rgba(5, 11, 22, 0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: background 0.3s;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; height: 90px;
}
.logo img { height: 42px; width: auto; transition: opacity 0.3s; }
.logo:hover img { opacity: 0.85; }

/* Primary nav links */
.site-nav { display: flex; gap: 28px; align-items: center; }
.nav-link {
  font-size: 13px; font-weight: 800; text-transform: uppercase;
  color: #fff; letter-spacing: 1px;
  transition: color 0.2s; position: relative;
}
.nav-link::after {
  content: '';
  position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--primary);
  transition: width 0.25s;
}
.nav-link:hover,
.nav-link.active { color: var(--gold); }
.nav-link:hover::after,
.nav-link.active::after { width: 100%; background: var(--gold); }

/* Desktop dropdowns */
.has-sub { position: relative; height: 90px; display: flex; align-items: center; }
.has-sub > .nav-link { padding-right: 16px; }
.has-sub > .nav-link::before {
  content: '▾';
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font-size: 10px; color: rgba(255,255,255,0.35);
  transition: color 0.2s;
  line-height: 1;
}
.has-sub:hover > .nav-link::before { color: var(--gold); }
.sub-menu {
  position: absolute; top: 100%; left: 0; width: 210px;
  background: #0c1825; padding: 8px;
  border-radius: 12px; opacity: 0; visibility: hidden;
  transform: translateY(12px); transition: 0.2s;
  border: 1px solid var(--glass-border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.has-sub:hover .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.sub-menu a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; font-size: 13px; color: var(--text-grey);
  border-radius: 8px; transition: 0.15s;
}
.sub-menu a:hover { background: var(--primary-dim); color: var(--primary); }

/* Header CTA button */
.header-actions { display: flex; align-items: center; gap: 12px; }

/* Burger */
.burger { display: none; }

/* ══════════════════════════════════════════════
   3. BUTTONS
   ══════════════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 18px 36px; border-radius: 12px; font-weight: 900;
  text-transform: uppercase; letter-spacing: 0.5px;
  transition: 0.3s; text-decoration: none; border: none; cursor: pointer;
  font-family: 'Outfit', sans-serif; font-size: 13px;
}
.btn--primary {
  background: var(--primary);
  color: #fff;
}
.btn--primary:hover {
  background: var(--gold);
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--primary-glow);
}
.btn--outline {
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
}
.btn--outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

/* ══════════════════════════════════════════════
   4. SECTIONS
   ══════════════════════════════════════════════ */
.section { padding: 120px 0; position: relative; }
.section-eyebrow {
  font-size: 11px; font-weight: 900; text-transform: uppercase; letter-spacing: 2px;
  color: var(--primary); margin-bottom: 16px;
}
.section-title { font-size: clamp(28px, 4vw, 42px); font-weight: 900; margin-bottom: 16px; }
.section-title em { font-style: normal; color: var(--primary); }
.section-sub { color: rgba(255,255,255,0.5); font-size: 16px; line-height: 1.7; max-width: 600px; }
.section-intro { max-width: 640px; margin: 0 auto 64px; }
.section-header-flex {
  display: flex; justify-content: space-between; align-items: flex-end;
  flex-wrap: wrap; gap: 20px; margin-bottom: 48px;
}
.view-all-link {
  font-size: 12px; font-weight: 900; text-transform: uppercase; letter-spacing: 1px;
  color: var(--primary); display: flex; align-items: center; gap: 6px;
  transition: color 0.2s;
}
.view-all-link:hover { color: var(--gold); }

/* Glass card */
.glass-card {
  background: var(--glass); border: 1px solid var(--glass-border);
  padding: 40px; border-radius: 20px; backdrop-filter: blur(10px);
  transition: border-color 0.3s, transform 0.3s;
}
.glass-card:hover { border-color: rgba(72, 92, 221, 0.4); transform: translateY(-4px); }

/* ══════════════════════════════════════════════
   5. HERO (front page)
   ══════════════════════════════════════════════ */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  overflow: hidden; background: #000;
}
.hero__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center top;
  filter: brightness(0.35); z-index: 0;
  /* fallback dark gradient if no image */
  background-image: linear-gradient(135deg, #0a1628 0%, #050b16 100%);
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(115deg, rgba(5,11,22,0.97) 0%, rgba(5,11,22,0.7) 55%, rgba(5,11,22,0.25) 100%);
  z-index: 1;
}
.hero__grain {
  position: absolute; inset: 0; z-index: 2;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.4; pointer-events: none;
}
.hero__content { position: relative; z-index: 3; padding: 120px 0 80px; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 900; text-transform: uppercase; letter-spacing: 2px;
  color: var(--primary); background: var(--primary-dim);
  padding: 8px 18px; border-radius: 50px; margin-bottom: 32px;
  border: 1px solid rgba(72, 92, 221, 0.3);
}
.hero__badge::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.hero__title {
  font-size: clamp(40px, 6vw, 80px); font-weight: 900;
  line-height: 1.0; margin-bottom: 28px; letter-spacing: -1px;
}
.hero__title em { font-style: normal; color: var(--primary); display: block; }
.hero__text {
  font-size: 17px; color: rgba(255,255,255,0.6);
  line-height: 1.8; max-width: 560px; margin-bottom: 44px;
}
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; }

/* ══════════════════════════════════════════════
   6. TRUST BAR
   ══════════════════════════════════════════════ */
.trust-bar {
  background: rgba(72, 92, 221, 0.05);
  border-top: 1px solid rgba(72, 92, 221, 0.15);
  border-bottom: 1px solid rgba(72, 92, 221, 0.15);
  padding: 24px 0;
}
.trust-bar__inner {
  display: flex; align-items: center; justify-content: space-around;
  gap: 40px; flex-wrap: wrap;
}
.trust-item {
  display: flex; align-items: center; gap: 12px;
  color: rgba(255,255,255,0.55); font-size: 13px;
}
.trust-item svg { color: var(--primary); flex-shrink: 0; }

/* ══════════════════════════════════════════════
   7. STATS
   ══════════════════════════════════════════════ */
.stats-section { padding: 100px 0; }
.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 20px; overflow: hidden;
}
.stat-box {
  background: #050b16; padding: 48px 36px;
  display: flex; flex-direction: column; align-items: center; text-align: center;
  position: relative;
}
.stat-box::before {
  content: '';
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 40px; height: 3px;
  background: var(--primary); border-radius: 0 0 3px 3px;
}
.stat-box__num {
  font-size: 52px; font-weight: 900;
  color: var(--primary); line-height: 1; margin-bottom: 12px;
}
.stat-box__label {
  font-size: 12px; text-transform: uppercase; letter-spacing: 2px;
  color: rgba(255,255,255,0.4);
}

/* ══════════════════════════════════════════════
   8. MISSION SECTION
   ══════════════════════════════════════════════ */
.mission-section { padding: 120px 0; }
.mission-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 100px; align-items: center;
}
.mission-img {
  position: relative; border-radius: 24px; overflow: hidden; aspect-ratio: 4/5;
}
.mission-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mission-img__badge {
  position: absolute; bottom: 28px; left: 28px; right: 28px;
  background: rgba(5,11,22,0.9); backdrop-filter: blur(10px);
  border: 1px solid rgba(72, 92, 221, 0.25);
  border-radius: 16px; padding: 20px 24px;
}
.mission-img__badge-num { font-size: 32px; font-weight: 900; color: var(--primary); line-height: 1; }
.mission-img__badge-text { font-size: 12px; color: rgba(255,255,255,0.5); margin-top: 4px; }
.mission-eyebrow {
  font-size: 11px; font-weight: 900; text-transform: uppercase; letter-spacing: 2px;
  color: var(--primary); margin-bottom: 20px;
}
.mission-title { font-size: clamp(28px, 3.5vw, 44px); font-weight: 900; line-height: 1.15; margin-bottom: 28px; }
.mission-title em { font-style: normal; color: var(--primary); }
.mission-text { color: rgba(255,255,255,0.55); font-size: 16px; line-height: 1.85; margin-bottom: 20px; }
.mission-values { display: flex; flex-direction: column; gap: 16px; margin: 36px 0 44px; }
.mission-value { display: flex; align-items: flex-start; gap: 16px; }
.mission-value__icon {
  width: 44px; height: 44px; flex-shrink: 0; border-radius: 12px;
  background: var(--primary-dim); border: 1px solid rgba(72, 92, 221, 0.25);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
}
.mission-value__icon svg { color: var(--primary); }
.mission-value__title { font-weight: 800; font-size: 15px; margin-bottom: 4px; }
.mission-value__text { font-size: 14px; color: rgba(255,255,255,0.5); }

/* ══════════════════════════════════════════════
   9. ACTIVITIES GRID
   ══════════════════════════════════════════════ */
.activities-section { padding: 120px 0; background: var(--navy-mid); }
.act-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-top: 0;
}
/* First card spans 2 rows */
.act-card { position: relative; border-radius: 20px; overflow: hidden; aspect-ratio: 3/4; cursor: pointer; }
.act-card--featured,
.act-card:first-child { grid-row: span 2; aspect-ratio: auto; }
.act-card img,
.act-card__placeholder { width: 100%; height: 100%; object-fit: cover; display: block; }
.act-card__placeholder { background: linear-gradient(135deg, #0a1a35 0%, #0c1e3a 100%); min-height: 280px; }
.act-card img { transition: transform 0.6s ease; }
.act-card:hover img { transform: scale(1.05); }
.act-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(5,11,22,0.95) 0%, rgba(5,11,22,0.2) 60%, transparent 100%);
}
.act-card__body { position: absolute; bottom: 0; left: 0; right: 0; padding: 28px; }
.act-card__tag {
  display: inline-block;
  font-size: 10px; font-weight: 900; text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--primary); background: var(--primary-dim);
  padding: 4px 12px; border-radius: 50px; margin-bottom: 10px;
  border: 1px solid rgba(72, 92, 221, 0.3);
}
.act-card__title { font-size: 18px; font-weight: 800; line-height: 1.3; }
.act-card__title a { color: #fff; }
.act-card__title a:hover { color: var(--gold); }

/* ══════════════════════════════════════════════
   10. PROCESS STEPS
   ══════════════════════════════════════════════ */
.process-section { padding: 120px 0; }
.process-steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 40px; margin-top: 0; position: relative;
}
.process-steps::before {
  content: '';
  position: absolute; top: 32px; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(72, 92, 221, 0.4), transparent);
}
.process-step { text-align: center; position: relative; }
.process-step__num {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--primary-dim); border: 2px solid rgba(72, 92, 221, 0.35);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 900; color: var(--primary);
  margin: 0 auto 24px; transition: 0.3s;
}
.process-step:hover .process-step__num {
  background: var(--primary); color: #fff; border-color: var(--primary);
}
.process-step__title { font-size: 16px; font-weight: 800; margin-bottom: 10px; }
.process-step__text { font-size: 14px; color: rgba(255,255,255,0.5); line-height: 1.7; }

/* ══════════════════════════════════════════════
   11. REPORT / BLOG CARDS
   ══════════════════════════════════════════════ */
.reports-section { padding: 120px 0; background: var(--navy-mid); }
.report-cards {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-top: 0;
}
.report-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 20px; padding: 32px; transition: 0.3s;
}
.report-card:hover { border-color: rgba(72, 92, 221, 0.4); transform: translateY(-4px); }
.report-card__num {
  font-size: 11px; font-weight: 900; text-transform: uppercase; letter-spacing: 2px;
  color: var(--primary); margin-bottom: 16px;
}
.report-card__date { font-size: 13px; color: rgba(255,255,255,0.35); margin-bottom: 12px; }
.report-card h3 { font-size: 17px; font-weight: 800; margin-bottom: 12px; }
.report-card h3 a { color: #fff; }
.report-card h3 a:hover { color: var(--gold); }
.report-card p { font-size: 14px; color: rgba(255,255,255,0.5); line-height: 1.7; }
.report-card__amount {
  display: inline-block; margin-top: 20px;
  font-size: 13px; font-weight: 900; color: var(--primary);
  background: var(--primary-dim); padding: 6px 14px; border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}
.report-card__amount:hover { background: var(--gold-dim); color: var(--gold); }

/* ══════════════════════════════════════════════
   12. DONATE CTA
   ══════════════════════════════════════════════ */
.donate-cta { padding: 140px 0; position: relative; overflow: hidden; }
.donate-cta__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  filter: brightness(0.2);
  background-color: #0a1628;
}
.donate-cta__overlay { position: absolute; inset: 0; background: rgba(5,11,22,0.85); }
.donate-cta__content { position: relative; z-index: 2; text-align: center; max-width: 700px; margin: 0 auto; }
.donate-cta h2 { font-size: clamp(32px, 5vw, 58px); font-weight: 900; line-height: 1.15; margin-bottom: 24px; }
.donate-cta h2 em { font-style: normal; color: var(--primary); }
.donate-cta p { color: rgba(255,255,255,0.5); font-size: 17px; line-height: 1.8; margin-bottom: 44px; }
.donate-methods { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 24px; }
.donate-methods .btn { min-width: 160px; }
.donate-note { font-size: 12px; color: rgba(255,255,255,0.25); letter-spacing: 0.5px; }

/* ══════════════════════════════════════════════
   13. FOOTER
   ══════════════════════════════════════════════ */
.site-footer {
  background: #050b16; padding: 80px 0 40px;
  border-top: 1px solid rgba(255,255,255,0.07);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 50px; margin-bottom: 60px;
}
.footer-logo { height: 38px; width: auto; margin-bottom: 24px; }
.footer-desc { color: rgba(255,255,255,0.45); font-size: 14px; line-height: 1.8; margin-bottom: 16px; }
.footer-edrpou { font-size: 12px; color: rgba(255,255,255,0.3); }
.footer-edrpou strong { color: rgba(255,255,255,0.5); }
.footer-heading {
  color: var(--primary); text-transform: uppercase;
  font-size: 11px; letter-spacing: 2px; margin-bottom: 24px;
}
.footer-menu { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-menu li a,
.footer-menu a {
  color: rgba(255,255,255,0.55); font-size: 14px;
  text-decoration: none; transition: color 0.2s;
}
.footer-menu li a:hover,
.footer-menu a:hover { color: var(--gold); }
.footer-contacts { color: rgba(255,255,255,0.4); font-size: 13px; line-height: 2.0; }
.footer-contacts strong { color: rgba(255,255,255,0.65); }
.footer-contacts a { color: rgba(255,255,255,0.55); transition: color 0.2s; }
.footer-contacts a:hover { color: var(--gold); }
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.footer-copy { color: rgba(255,255,255,0.25); font-size: 12px; letter-spacing: 1px; }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a {
  color: rgba(255,255,255,0.25); font-size: 12px;
  text-decoration: none; letter-spacing: 1px; transition: color 0.2s;
}
.footer-legal a:hover { color: var(--gold); }

/* ══════════════════════════════════════════════
   14. FAQ ACCORDION
   ══════════════════════════════════════════════ */
.faq-wrap { display: flex; flex-direction: column; gap: 0; }
.faq-item { border-bottom: 1px solid rgba(255,255,255,0.07); overflow: hidden; }
.faq-item:first-child { border-top: 1px solid rgba(255,255,255,0.07); }
.faq-question {
  font-size: 17px; font-weight: 700; color: #fff; cursor: pointer;
  padding: 28px 0; display: flex; justify-content: space-between; align-items: center;
  gap: 20px; margin: 0; user-select: none; transition: color 0.2s;
  background: none; border: none; width: 100%; text-align: left;
  font-family: 'Outfit', sans-serif;
}
.faq-question:hover { color: var(--gold); }
.faq-icon {
  flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.2);
  display: flex; align-items: center; justify-content: center;
  transition: 0.3s; color: var(--primary); font-size: 20px; font-weight: 300; line-height: 1;
}
.faq-item.open .faq-icon { background: var(--primary); border-color: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-item.open .faq-question { color: var(--primary); }
.faq-answer {
  font-size: 15px; color: rgba(255,255,255,0.6); line-height: 1.8;
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding-bottom: 0;
}
.faq-item.open .faq-answer { max-height: 600px; padding-bottom: 28px; }
.faq-answer p { margin-bottom: 12px; }
.faq-category { margin-bottom: 48px; }
.faq-category__title {
  display: inline-block; font-size: 11px; font-weight: 900;
  text-transform: uppercase; letter-spacing: 2px;
  color: var(--primary); background: var(--primary-dim);
  padding: 6px 16px; border-radius: 50px; margin-bottom: 24px;
  border: 1px solid rgba(72, 92, 221, 0.3);
}

/* ══════════════════════════════════════════════
   15. REVEAL ANIMATION
   ══════════════════════════════════════════════ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.revealed { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ══════════════════════════════════════════════
   16. UTILITIES
   ══════════════════════════════════════════════ */
.text-gold    { color: var(--gold); }
.text-primary { color: var(--primary); }
.text-center  { text-align: center; }
.text-muted   { color: rgba(255,255,255,0.5); }
.icon { display: inline-block; vertical-align: middle; flex-shrink: 0; }

/* Sub-toggle hidden on desktop */
.sub-toggle { display: none; }

/* ══════════════════════════════════════════════
   17. MOBILE MENU
   ══════════════════════════════════════════════ */
@media (max-width: 992px) {
  .site-nav { display: none; }
  .header-actions .btn { display: none; }

  .burger {
    display: flex; flex-direction: column; gap: 5px; cursor: pointer;
    padding: 10px; background: none; border: none; z-index: 10001;
  }
  .burger span {
    width: 28px; height: 2.5px; background: #fff;
    transition: 0.3s; display: block; border-radius: 2px;
  }
  .burger.active span:nth-child(1) { transform: rotate(45deg) translate(5.5px, 5.5px); }
  .burger.active span:nth-child(2) { opacity: 0; }
  .burger.active span:nth-child(3) { transform: rotate(-45deg) translate(5.5px, -5.5px); }

  /* Mobile nav slide-out */
  .site-nav {
    position: fixed; top: 0; right: 0; width: min(380px, 100%); height: 100vh;
    background: #08121e; display: flex; flex-direction: column;
    justify-content: flex-start; align-items: flex-start;
    padding: 90px 40px 60px;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10000; visibility: hidden; transform: translateX(100%);
    border-left: 1px solid var(--glass-border);
    gap: 0; overflow-y: auto;
  }
  .site-nav.active { transform: translateX(0); visibility: visible; display: flex; }

.nav-link { font-size: 18px; padding: 16px 0; width: 100%; display: block; border-bottom: 1px solid rgba(255,255,255,0.05); }
  .nav-link::after { display: none; }

  /* Mobile dropdown */
  .has-sub { height: auto; flex-direction: row; align-items: center; flex-wrap: wrap; width: 100%; gap: 0; }
  .has-sub > .nav-link { flex: 1; }
  .has-sub > .nav-link::after { display: none; }
  .has-sub > .nav-link::before { display: none; }
  .sub-toggle {
    display: flex; align-items: center; justify-content: center;
    width: 32px; height: 32px; flex-shrink: 0;
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px; color: rgba(255,255,255,0.6);
    cursor: pointer; transition: 0.2s; margin-left: 8px;
  }
  .sub-toggle:hover { background: var(--primary-dim); border-color: var(--primary); color: var(--primary); }
  .sub-toggle svg { transition: transform 0.3s; }
  .has-sub.open .sub-toggle svg { transform: rotate(180deg); }

  .sub-menu {
    position: static; opacity: 1; visibility: visible; transform: none;
    width: 100%; background: rgba(255,255,255,0.03); border: none;
    border-radius: 8px; padding: 0;
    display: none; box-shadow: none; margin-top: 4px;
  }
  .has-sub.open .sub-menu { display: block; }
  .sub-menu a { font-size: 15px; color: rgba(255,255,255,0.6); padding: 12px 20px; border-radius: 0; border-bottom: 1px solid rgba(255,255,255,0.04); }
  .sub-menu a:last-child { border-bottom: none; }
  .sub-menu a:hover { color: var(--primary); background: var(--primary-dim); }

  .mobile-donate-wrap { display: block !important; margin-top: 30px; width: 100%; text-align: center; }

  .top-bar { display: none; }
  .header-inner { height: 75px; }
  .logo img { height: 34px; }

  .container { padding: 0 20px; }
  .grid-3, .grid-2, .grid-4, .stats-row { grid-template-columns: 1fr !important; gap: 24px; }

  .hero { text-align: center; }
  .hero__title { font-size: clamp(32px, 8vw, 52px) !important; }
  .section { padding: 80px 0; }

  .mission-grid { grid-template-columns: 1fr; gap: 48px; }
  .act-grid { grid-template-columns: 1fr; }
  .act-card:first-child { aspect-ratio: 16/9; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .report-cards { grid-template-columns: 1fr; }

  /* Backdrop */
  .site-nav.active::before {
    content: '';
    position: fixed; inset: 0; right: min(380px, 100%);
    background: rgba(5,11,22,0.7); z-index: -1;
  }
}

@media (max-width: 768px) {
  .stats-row { grid-template-columns: 1fr 1fr !important; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .section-header-flex { flex-direction: column; align-items: flex-start; }
  .donate-methods { flex-direction: column; align-items: center; }
  .donate-methods .btn { width: 100%; max-width: 300px; }
}

@media (max-width: 600px) {
  .process-steps { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr !important; }
  .trust-bar__inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .hero__cta { flex-direction: column; }
  .hero__cta .btn { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .nav-link { font-size: 17px; }
  .section { padding: 60px 0; }
  h1 { font-size: clamp(28px, 8vw, 50px) !important; }
  .btn { padding: 14px 24px; }
}

/* ══════════════════════════════════════════════
   GO TO TOP BUTTON
   ══════════════════════════════════════════════ */
.go-top {
  position: fixed; bottom: 32px; right: 32px; z-index: 9000;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--primary); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: #fff; box-shadow: 0 4px 20px rgba(72, 92, 221, 0.4);
  opacity: 0; visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s, background 0.2s;
}
.go-top.visible {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.go-top:hover { background: var(--gold); box-shadow: 0 4px 20px rgba(245, 200, 66, 0.4); }
.go-top:hover svg { stroke: #000; }

@media (max-width: 768px) {
  .go-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }
}