/* ============================================================
   HCM4A — Harmonized Calculation Method for Africa
   ATU Brand Colors: Green #007A3D | Yellow #FCD116 | White #FFFFFF
   ============================================================ */

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --atu-green:       #007A3D;
  --atu-green-dark:  #005C2D;
  --atu-green-light: #00a352;
  --atu-yellow:      #FCD116;
  --atu-yellow-dark: #e6bc00;
  --atu-white:       #FFFFFF;
  --text-dark:       #1a1a2e;
  --text-mid:        #3d4a5c;
  --text-light:      #6b7a8d;
  --bg-light:        #f8f9fa;
  --bg-alt:          #f0f5f2;
  --border:          #e0e8e4;
  --shadow-sm:       0 2px 8px rgba(0,122,61,0.08);
  --shadow-md:       0 6px 24px rgba(0,122,61,0.13);
  --shadow-lg:       0 12px 40px rgba(0,122,61,0.18);
  --radius:          12px;
  --radius-lg:       20px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-dark);
  background: var(--atu-white);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

/* ---- TOP BAR ---- */
.top-bar {
  background: var(--atu-green-dark);
  color: rgba(255,255,255,0.85);
  font-size: 12.5px;
  font-weight: 500;
  padding: 8px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
.top-bar i { margin-right: 6px; color: var(--atu-yellow); }

/* ---- HEADER ---- */
.site-header {
  background: var(--atu-white);
  border-bottom: 3px solid var(--atu-yellow);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 20px;
}
.header-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}
.logo-circle {
  width: 46px; height: 46px;
  background: linear-gradient(135deg, var(--atu-green), var(--atu-green-light));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--atu-white);
  font-size: 20px;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}
.logo-circle.small { width: 38px; height: 38px; font-size: 16px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-main {
  font-size: 22px;
  font-weight: 800;
  color: var(--atu-green);
  letter-spacing: -0.5px;
}
.logo-main.small { font-size: 18px; }
.logo-sub {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-light);
  letter-spacing: 0.2px;
}
.logo-sub.small { font-size: 10px; }

.main-nav {
  display: flex;
  gap: 6px;
  align-items: center;
}
.main-nav a {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-mid);
  padding: 7px 14px;
  border-radius: 8px;
  transition: all .2s;
}
.main-nav a:hover {
  color: var(--atu-green);
  background: var(--bg-alt);
}

.nav-toggle {
  display: none;
  background: var(--atu-green);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 16px;
  cursor: pointer;
}

/* ---- MOBILE NAV ---- */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--atu-white);
  border-bottom: 2px solid var(--border);
  padding: 8px 24px 16px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-mid);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.mobile-nav a:hover { color: var(--atu-green); }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  transition: all .2s;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--atu-yellow);
  color: var(--atu-green-dark);
  border-color: var(--atu-yellow);
}
.btn-primary:hover {
  background: var(--atu-yellow-dark);
  border-color: var(--atu-yellow-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(252,209,22,0.4);
}
.btn-secondary {
  background: transparent;
  color: var(--atu-white);
  border-color: rgba(255,255,255,0.5);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--atu-white);
  transform: translateY(-2px);
}
.btn-dl {
  background: var(--atu-green);
  color: var(--atu-white);
  border-color: var(--atu-green);
  width: 100%;
  justify-content: center;
  margin-top: 16px;
}
.btn-dl:hover {
  background: var(--atu-green-dark);
  border-color: var(--atu-green-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ---- HERO ---- */
.hero {
  background: linear-gradient(135deg, var(--atu-green-dark) 0%, var(--atu-green) 55%, #00a352 100%);
  color: var(--atu-white);
  padding: 10px 0 0;
  position: relative;
  overflow: hidden;
}
.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 15% 80%, rgba(252,209,22,0.12) 0%, transparent 45%),
    radial-gradient(circle at 85% 20%, rgba(255,255,255,0.07) 0%, transparent 40%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(252,209,22,0.2);
  color: var(--atu-yellow);
  border: 1px solid rgba(252,209,22,0.35);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 22px;
  letter-spacing: -1px;
}
.hero-accent { color: var(--atu-yellow); }
.hero-description {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255,255,255,0.88);
  margin-bottom: 36px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}
.hero-description strong { color: var(--atu-yellow); }
.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 50px;
}
.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  background: rgba(0,0,0,0.2);
  border-radius: 16px 16px 0 0;
  padding: 24px 40px;
  flex-wrap: wrap;
  gap: 10px;
}
.stat-item { text-align: center; padding: 0 28px; }
.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--atu-yellow);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.2);
}
.hero-wave { line-height: 0; margin-top: -1px; }
.hero-wave svg { width: 100%; display: block; }

/* ---- SECTIONS ---- */
.section { padding: 90px 0; }
.section-alt { background: var(--bg-alt); }

.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(0,122,61,0.1);
  color: var(--atu-green);
  border: 1px solid rgba(0,122,61,0.2);
  padding: 5px 16px;
  border-radius: 50px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.section-sub {
  font-size: 16px;
  color: var(--text-light);
  max-width: 560px;
  margin: 0 auto;
}

/* ---- ABOUT ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.about-text p {
  color: var(--text-mid);
  margin-bottom: 18px;
  font-size: 15.5px;
}
.about-text strong { color: var(--atu-green-dark); }
.about-highlights {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.highlight-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-alt);
  border: 1.5px solid var(--border);
  padding: 9px 16px;
  border-radius: 50px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--atu-green-dark);
}
.highlight-item i { color: var(--atu-green); }
.africa-card {
  background: var(--atu-white);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
  margin-bottom: 20px;
  text-align: center;
}
.africa-icon {
  width: 70px; height: 70px;
  background: linear-gradient(135deg, var(--atu-green), var(--atu-green-light));
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 32px;
  color: white;
  margin: 0 auto 18px;
}
.africa-card h3 {
  font-size: 17px; font-weight: 700;
  color: var(--text-dark); margin-bottom: 10px;
}
.africa-card p { color: var(--text-mid); font-size: 14.5px; margin-bottom: 20px; }
.africa-tags { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.tag {
  background: rgba(0,122,61,0.09);
  color: var(--atu-green-dark);
  border: 1px solid rgba(0,122,61,0.2);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 12.5px;
  font-weight: 600;
}
.quote-card {
  background: var(--atu-green);
  color: white;
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  position: relative;
}
.quote-card .fa-quote-left {
  font-size: 28px;
  color: var(--atu-yellow);
  margin-bottom: 12px;
  display: block;
}
.quote-card p { font-size: 15px; font-style: italic; line-height: 1.65; opacity: 0.95; }

/* ---- FEATURES ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--atu-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: all .25s;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--atu-green);
}
.feature-icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
}
.feature-icon.green { background: rgba(0,122,61,0.1); color: var(--atu-green); }
.feature-icon.yellow { background: rgba(252,209,22,0.2); color: #a07a00; }
.feature-card h3 { font-size: 16px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.feature-card p { font-size: 14.5px; color: var(--text-mid); line-height: 1.65; }

/* ---- COMPONENTS ---- */
.components-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 40px;
}
.component-card {
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 2px solid var(--border);
  background: var(--atu-white);
  box-shadow: var(--shadow-md);
  transition: all .25s;
}
.component-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.component-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.component-badge {
  font-size: 13px; font-weight: 800;
  padding: 5px 16px;
  border-radius: 50px;
  letter-spacing: 0.5px;
}
.ms-badge { background: rgba(252,209,22,0.25); color: #7a6000; border: 1.5px solid rgba(252,209,22,0.5); }
.fs-badge { background: rgba(0,122,61,0.1); color: var(--atu-green-dark); border: 1.5px solid rgba(0,122,61,0.25); }
.component-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.component-ms .component-icon { background: rgba(252,209,22,0.2); color: #8a6e00; }
.component-fs .component-icon { background: rgba(0,122,61,0.1); color: var(--atu-green); }
.component-card h3 {
  font-size: 19px; font-weight: 700; color: var(--text-dark); margin-bottom: 12px;
}
.component-desc { font-size: 14.5px; color: var(--text-mid); margin-bottom: 20px; line-height: 1.65; }
.component-features { list-style: none; margin-bottom: 24px; }
.component-features li {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; color: var(--text-mid);
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
}
.component-features li:last-child { border-bottom: none; }
.component-ms .component-features li .fa-check { color: #a07a00; }
.component-fs .component-features li .fa-check { color: var(--atu-green); }
.component-footer { display: flex; gap: 8px; flex-wrap: wrap; }
.platform-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-mid);
}

/* Package Box */
.package-box {
  background: linear-gradient(135deg, var(--atu-green-dark), var(--atu-green));
  color: white;
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  box-shadow: var(--shadow-lg);
}
.package-box h3 {
  font-size: 18px; font-weight: 700;
  margin-bottom: 28px;
  color: var(--atu-yellow);
}
.package-box h3 i { margin-right: 10px; }
.package-items { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.package-item {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  gap: 10px;
  background: rgba(255,255,255,0.1);
  padding: 22px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.15);
  transition: all .2s;
}
.package-item:hover { background: rgba(255,255,255,0.18); }
.package-item i { font-size: 28px; color: var(--atu-yellow); }
.package-item strong { font-size: 14px; font-weight: 700; color: white; }
.package-item span { font-size: 12.5px; color: rgba(255,255,255,0.75); }

/* ---- METHODOLOGY ---- */
.methodology-steps {
  display: flex; flex-direction: column; align-items: center;
  gap: 0; margin-bottom: 50px;
  max-width: 760px; margin-left: auto; margin-right: auto;
}
.step-card {
  display: flex; align-items: flex-start; gap: 24px;
  background: var(--atu-white);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  width: 100%;
  box-shadow: var(--shadow-sm);
  transition: all .25s;
  position: relative;
}
.step-card:hover {
  border-color: var(--atu-green);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}
.step-num {
  font-size: 2.5rem; font-weight: 900;
  color: var(--atu-yellow-dark);
  line-height: 1;
  min-width: 58px;
  opacity: 0.7;
}
.step-content h3 { font-size: 17px; font-weight: 700; color: var(--atu-green-dark); margin-bottom: 8px; }
.step-content p { font-size: 14.5px; color: var(--text-mid); line-height: 1.65; }
.step-connector {
  display: flex; align-items: center; justify-content: center;
  color: var(--atu-green);
  font-size: 20px;
  height: 32px;
  opacity: 0.6;
}

/* Frequency Banner */
.freq-banner {
  display: flex; justify-content: center; align-items: center;
  gap: 0;
  background: linear-gradient(135deg, var(--atu-green-dark), var(--atu-green));
  border-radius: var(--radius-lg);
  padding: 30px 40px;
  flex-wrap: wrap;
  gap: 20px;
  box-shadow: var(--shadow-md);
}
.freq-item {
  display: flex; align-items: center; gap: 16px;
  color: white;
  flex: 1; min-width: 200px;
  padding: 0 20px;
}
.freq-item i { font-size: 26px; color: var(--atu-yellow); }
.freq-item div { display: flex; flex-direction: column; }
.freq-item strong { font-size: 14px; font-weight: 700; color: rgba(255,255,255,0.85); }
.freq-item span { font-size: 15.5px; font-weight: 600; color: var(--atu-yellow); }

/* ---- USE CASES ---- */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.use-case-card {
  background: var(--atu-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  transition: all .25s;
  position: relative;
  overflow: hidden;
}
.use-case-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--atu-green), var(--atu-yellow));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s;
}
.use-case-card:hover::before { transform: scaleX(1); }
.use-case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--atu-green);
}
.uc-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--atu-green), var(--atu-green-light));
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; color: white;
  margin-bottom: 16px;
}
.use-case-card h3 { font-size: 15.5px; font-weight: 700; color: var(--text-dark); margin-bottom: 10px; }
.use-case-card p { font-size: 14px; color: var(--text-mid); line-height: 1.65; }

/* ---- DOWNLOAD SECTION ---- */
.section-download {
  background: linear-gradient(135deg, var(--atu-green-dark) 0%, var(--atu-green) 60%, #00a352 100%);
  position: relative;
  overflow: hidden;
  padding: 90px 0;
}
.section-download::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 20% 80%, rgba(252,209,22,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.06) 0%, transparent 40%);
  pointer-events: none;
}
.light-tag {
  background: rgba(252,209,22,0.2);
  color: var(--atu-yellow);
  border-color: rgba(252,209,22,0.3);
}
.light-title { color: var(--atu-white) !important; }
.light-sub { color: rgba(255,255,255,0.75) !important; }
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 36px;
  position: relative;
}
.download-card {
  background: rgba(255,255,255,0.1);
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  transition: all .25s;
  backdrop-filter: blur(8px);
}
.download-card:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.2);
}
.dl-icon {
  width: 62px; height: 62px;
  background: rgba(252,209,22,0.2);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  color: var(--atu-yellow);
  margin: 0 auto 20px;
  border: 2px solid rgba(252,209,22,0.35);
}
.download-card h3 { font-size: 17px; font-weight: 700; color: white; margin-bottom: 10px; }
.download-card p { font-size: 14px; color: rgba(255,255,255,0.8); margin-bottom: 18px; line-height: 1.65; }
.dl-meta {
  display: flex; gap: 12px; justify-content: center;
  flex-wrap: wrap; margin-bottom: 4px;
}
.dl-meta span {
  display: flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,0.12);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
}
.itu-note {
  display: flex; align-items: flex-start; gap: 16px;
  background: rgba(252,209,22,0.15);
  border: 1.5px solid rgba(252,209,22,0.3);
  border-radius: var(--radius);
  padding: 20px 28px;
  max-width: 820px;
  margin: 0 auto;
  position: relative;
}
.itu-note i { color: var(--atu-yellow); font-size: 20px; flex-shrink: 0; margin-top: 3px; }
.itu-note p { font-size: 14.5px; color: rgba(255,255,255,0.9); line-height: 1.7; }
.itu-note strong { color: var(--atu-yellow); }

/* ---- FOOTER ---- */
.site-footer {
  background: var(--text-dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.7; margin-top: 16px; margin-bottom: 16px; }
.footer-logo {
  display: flex; align-items: center; gap: 14px;
}
.footer-badges { display: flex; gap: 10px; flex-wrap: wrap; }
.footer-badge {
  display: flex; align-items: center; gap: 6px;
  background: rgba(0,122,61,0.35);
  border: 1px solid rgba(0,122,61,0.5);
  padding: 5px 12px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
}
.footer-badge i { color: var(--atu-yellow); }
.footer-links h4 { font-size: 14px; font-weight: 700; color: white; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.8px; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 13.5px; color: rgba(255,255,255,0.6);
  display: flex; align-items: center; gap: 8px;
  transition: color .2s;
}
.footer-links a i { font-size: 10px; color: var(--atu-yellow); }
.footer-links a:hover { color: var(--atu-yellow); }
.footer-contact h4 { font-size: 14px; font-weight: 700; color: white; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.8px; }
.org-list { display: flex; flex-direction: column; gap: 14px; }
.org-item {
  display: flex; align-items: center; gap: 14px;
  background: rgba(255,255,255,0.05);
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.08);
}
.org-item i { font-size: 20px; color: var(--atu-yellow); }
.org-item strong { display: block; font-size: 14px; font-weight: 700; color: white; }
.org-item span { font-size: 12px; color: rgba(255,255,255,0.6); }
.footer-bottom {
  padding: 24px 0;
  text-align: center;
}
.footer-bottom p { font-size: 12.5px; color: rgba(255,255,255,0.4); line-height: 1.8; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .use-cases-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .package-items { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .about-grid { grid-template-columns: 1fr; }
  .components-grid { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr; }
  .hero-stats { padding: 18px 20px; }
  .stat-divider { display: none; }
  .stat-item { padding: 6px 16px; }
  .freq-banner { padding: 22px 20px; flex-direction: column; }
  .freq-item { padding: 0; border: none; }
  .top-bar { font-size: 11px; justify-content: center; text-align: center; }
}

@media (max-width: 640px) {
  .features-grid { grid-template-columns: 1fr; }
  .use-cases-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .package-items { grid-template-columns: 1fr; }
  .hero { padding: 70px 0 0; }
  .hero-actions { flex-direction: column; align-items: center; }
  .section { padding: 60px 0; }
}