/* =============================================
   THE FINANCIAL LITERACY GAP — PREMIUM STYLESHEET
   Color System: Royal Blue + Navy + White + Silver
   ============================================= */

/* ===== TOKENS ===== */
:root {
  --royal: #1a3a6e;
  --navy: #0d1f3c;
  --navy-deep: #070f1e;
  --blue-mid: #2451a0;
  --blue-light: #3d6ab5;
  --accent: #4a8fd4;
  --accent-bright: #5ba3f0;
  --gold: #c9a84c;
  --gold-light: #e0c06a;
  --silver: #b8c5d6;
  --silver-light: #dce5f0;
  --white: #ffffff;
  --off-white: #f4f7fb;
  --glass-bg: rgba(255,255,255,0.07);
  --glass-border: rgba(255,255,255,0.14);
  --glass-shadow: rgba(10,20,50,0.35);
  --text-dark: #0d1f3c;
  --text-mid: #3a4d6b;
  --text-light: rgba(255,255,255,0.88);
  --text-muted: rgba(255,255,255,0.52);
  --section-silver: #edf1f7;
  --card-radius: 18px;
  --small-radius: 10px;
  --font-display: 'Georgia', 'Times New Roman', serif;
  --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --shadow-sm: 0 2px 12px rgba(10,20,50,0.10);
  --shadow-md: 0 8px 32px rgba(10,20,50,0.16);
  --shadow-lg: 0 20px 60px rgba(10,20,50,0.22);
  --transition: 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, select, textarea { font: inherit; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--navy-deep); }
::-webkit-scrollbar-thumb { background: var(--blue-mid); border-radius: 3px; }

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

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.navbar.scrolled {
  background: rgba(7, 15, 30, 0.96);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
  padding: 0;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.02em;
}
.logo-icon { color: var(--gold); font-size: 1.4rem; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  color: rgba(255,255,255,0.78);
  font-size: 0.875rem;
  padding: 6px 14px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
  font-weight: 500;
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.1); }
.nav-cta {
  background: var(--royal) !important;
  color: var(--white) !important;
  border: 1px solid var(--blue-light) !important;
}
.nav-cta:hover { background: var(--blue-mid) !important; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--blue-mid), var(--royal));
  color: var(--white);
  border: 1px solid var(--blue-light);
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(26, 58, 110, 0.4);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--blue-light), var(--blue-mid));
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(26, 58, 110, 0.55);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.35);
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
  transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; }

/* ===== GLASS CARD ===== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--card-radius);
  box-shadow: 0 8px 40px var(--glass-shadow);
}

/* ===== SECTIONS ===== */
.section {
  padding: 100px 0;
  position: relative;
}
.section-dark {
  background: linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 60%, var(--royal) 100%);
  color: var(--text-light);
}
.section-silver { background: var(--section-silver); }
.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 14px;
}
.section-eyebrow.light { color: var(--accent-bright); }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 20px;
}
.section-title.light { color: var(--white); }
.section-lead {
  font-size: 1.1rem;
  color: var(--text-mid);
  max-width: 660px;
  margin-bottom: 60px;
  line-height: 1.75;
}
.section-lead.light { color: var(--text-muted); }
.section-lead strong { color: var(--white); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  background: linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 45%, var(--royal) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
}
.hero-bg { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(74,143,212,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74,143,212,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridDrift 30s linear infinite;
}
@keyframes gridDrift {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
}
.orb-1 { width: 600px; height: 600px; background: var(--blue-mid); top: -200px; right: -150px; animation: orbFloat 15s ease-in-out infinite; }
.orb-2 { width: 400px; height: 400px; background: var(--accent); bottom: -100px; left: -100px; animation: orbFloat 20s ease-in-out infinite reverse; }
.orb-3 { width: 300px; height: 300px; background: var(--gold); top: 50%; left: 50%; transform: translate(-50%,-50%); animation: orbFloat 10s ease-in-out infinite; }
@keyframes orbFloat {
  0%, 100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(20px, -20px) scale(1.05); }
}
.orb-3 { animation: orbFloat3 10s ease-in-out infinite; }
@keyframes orbFloat3 {
  0%, 100% { transform: translate(-50%,-50%) scale(1); }
  50% { transform: translate(-50%,-55%) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.75);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 8px 18px;
  border-radius: 50px;
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1);} 50%{opacity:0.6;transform:scale(1.3);} }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.08;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent-bright), var(--gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: rgba(255,255,255,0.72);
  margin-bottom: 44px;
  line-height: 1.6;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 72px;
}
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 28px 48px;
  backdrop-filter: blur(20px);
  flex-wrap: wrap;
}
.hstat {
  text-align: center;
  padding: 0 40px;
}
.hstat-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.hstat-unit {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gold);
}
.hstat-label {
  display: block;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.55);
  margin-top: 6px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.hstat-div {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.15);
}
.hero-scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.38);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.scroll-arrow {
  width: 20px; height: 20px;
  border-right: 2px solid rgba(255,255,255,0.35);
  border-bottom: 2px solid rgba(255,255,255,0.35);
  transform: rotate(45deg);
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce { 0%,100%{transform:rotate(45deg) translateY(0);} 50%{transform:rotate(45deg) translateY(5px);} }

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.about-main {
  background: var(--off-white);
  border-radius: var(--card-radius);
  padding: 40px;
  border: 1px solid rgba(26,58,110,0.1);
}
.about-main h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--navy);
  margin-bottom: 16px;
}
.about-main p {
  color: var(--text-mid);
  margin-bottom: 16px;
  line-height: 1.75;
}
.about-cards { display: flex; flex-direction: column; gap: 28px; }
.about-card {
  background: var(--white);
  border-radius: var(--card-radius);
  padding: 32px;
  border: 1px solid rgba(26,58,110,0.08);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.about-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.about-card-icon { font-size: 1.8rem; margin-bottom: 12px; }
.about-card h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--navy);
  margin-bottom: 12px;
}
.about-card li {
  color: var(--text-mid);
  font-size: 0.9rem;
  padding: 6px 0 6px 16px;
  position: relative;
  border-bottom: 1px solid var(--section-silver);
  line-height: 1.5;
}
.about-card li:last-child { border-bottom: none; }
.about-card li::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--blue-mid);
}

/* ===== INTRO ===== */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
  margin-bottom: 60px;
  align-items: start;
}
.intro-quote-block {
  background: rgba(255,255,255,0.05);
  border-left: 4px solid var(--gold);
  border-radius: 0 12px 12px 0;
  padding: 36px 32px;
  backdrop-filter: blur(10px);
  position: sticky;
  top: 100px;
}
.intro-quote-block blockquote {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--white);
  line-height: 1.7;
  margin-bottom: 16px;
}
.intro-quote-block cite {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: normal;
}
.intro-text p {
  color: rgba(255,255,255,0.75);
  margin-bottom: 20px;
  line-height: 1.8;
  font-size: 1rem;
}
.intro-pillars {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 24px;
}
.pillar {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 32px 24px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}
.pillar:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }
.pillar-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
  opacity: 0.5;
  display: block;
  margin-bottom: 12px;
}
.pillar h4 { color: var(--white); font-size: 1rem; margin-bottom: 10px; }
.pillar p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.65; }

/* ===== LITERACY CARDS ===== */
.literacy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.literacy-card {
  background: var(--white);
  border: 1px solid rgba(26,58,110,0.08);
  border-radius: var(--card-radius);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.literacy-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-mid), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.literacy-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.literacy-card:hover::before { transform: scaleX(1); }
.lc-highlight {
  background: linear-gradient(135deg, var(--navy), var(--royal));
  color: var(--white);
  border-color: var(--blue-light);
}
.lc-highlight h3, .lc-highlight p, .lc-highlight small { color: rgba(255,255,255,0.85); }
.lc-highlight small { color: rgba(255,255,255,0.55); }
.lc-icon { font-size: 2rem; margin-bottom: 16px; }
.literacy-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}
.literacy-card p {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 20px;
}
.lc-bar {
  height: 4px;
  background: rgba(26,58,110,0.1);
  border-radius: 2px;
  margin-bottom: 8px;
  overflow: hidden;
}
.lc-highlight .lc-bar { background: rgba(255,255,255,0.15); }
.lc-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--blue-mid), var(--accent));
  border-radius: 2px;
  animation: barGrow 1.5s ease-out forwards;
  transform-origin: left;
  transform: scaleX(0);
}
.lc-highlight .lc-bar span { background: linear-gradient(90deg, var(--gold), var(--gold-light)); }
@keyframes barGrow { to { transform: scaleX(1); } }
.literacy-card small { font-size: 0.75rem; color: var(--silver); }

/* ===== CASE STUDIES ===== */
.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.case-card {
  background: var(--white);
  border-radius: var(--card-radius);
  padding: 44px;
  box-shadow: var(--shadow-md);
  border-top: 4px solid;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.case-card::after {
  content: '';
  position: absolute;
  right: -60px; top: -60px;
  width: 200px; height: 200px;
  border-radius: 50%;
  opacity: 0.04;
}
.case-card.macro { border-top-color: var(--royal); }
.case-card.macro::after { background: var(--royal); }
.case-card.micro { border-top-color: var(--gold); }
.case-card.micro::after { background: var(--gold); }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.case-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 12px;
}
.case-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--navy);
  margin-bottom: 8px;
}
.case-year {
  font-size: 0.82rem;
  color: var(--silver);
  margin-bottom: 20px;
  font-weight: 600;
}
.case-card p { color: var(--text-mid); line-height: 1.75; margin-bottom: 16px; font-size: 0.95rem; }
.case-card strong { color: var(--navy); }
.case-lesson {
  background: var(--off-white);
  border-left: 3px solid var(--blue-mid);
  border-radius: 0 10px 10px 0;
  padding: 16px 20px;
  font-size: 0.88rem;
  color: var(--text-mid);
  margin-top: 8px;
}
.case-lesson span { font-weight: 700; color: var(--navy); display: block; margin-bottom: 4px; }

/* ===== PISA DASHBOARD ===== */
.pisa-kpis {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 24px;
  margin-bottom: 36px;
}
.pisa-kpi {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--card-radius);
  padding: 36px 28px;
  text-align: center;
  backdrop-filter: blur(12px);
  transition: var(--transition);
}
.pisa-kpi:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.kpi-gold {
  background: linear-gradient(135deg, rgba(201,168,76,0.12), rgba(201,168,76,0.04)) !important;
  border-color: rgba(201,168,76,0.3) !important;
}
.kpi-value {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  display: inline;
}
.kpi-unit {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
}
.kpi-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  margin-top: 10px;
}
.kpi-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 6px;
}
.pisa-charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
.chart-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--card-radius);
  padding: 32px;
  backdrop-filter: blur(12px);
}
.chart-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}
.bar-chart { display: flex; flex-direction: column; gap: 14px; }
.bar-item { display: flex; align-items: center; gap: 12px; }
.bar-label { font-size: 0.78rem; color: var(--text-muted); min-width: 100px; }
.bar-track {
  flex: 1;
  height: 28px;
  background: rgba(255,255,255,0.06);
  border-radius: 6px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  width: var(--w);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--white);
  animation: barExpand 1.2s ease-out forwards;
  transform-origin: left;
  transform: scaleX(0);
}
@keyframes barExpand { to { transform: scaleX(1); } }
.bar-fill.red { background: linear-gradient(90deg, #c0392b, #e74c3c); }
.bar-fill.orange { background: linear-gradient(90deg, #d35400, #e67e22); }
.bar-fill.blue { background: linear-gradient(90deg, var(--royal), var(--blue-mid)); }
.bar-fill.teal { background: linear-gradient(90deg, #16877a, #1abc9c); }
.bar-fill.gold { background: linear-gradient(90deg, var(--gold), var(--gold-light)); }

/* Country Chart */
.country-chart { display: flex; flex-direction: column; gap: 16px; }
.country-item { display: flex; align-items: center; gap: 12px; }
.country-flag { font-size: 1.4rem; width: 30px; text-align: center; }
.country-name { font-size: 0.82rem; color: rgba(255,255,255,0.7); width: 110px; font-weight: 500; }
.country-bar-track { flex: 1; height: 32px; background: rgba(255,255,255,0.06); border-radius: 8px; overflow: hidden; }
.country-bar {
  width: var(--score);
  height: 100%;
  background: linear-gradient(90deg, var(--royal), var(--accent));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 10px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--white);
  animation: barExpand 1.4s ease-out forwards;
  transform-origin: left;
  transform: scaleX(0);
}
.country-bar.usa { background: linear-gradient(90deg, #8b1a1a, #b22222); }
.country-bar.low { background: linear-gradient(90deg, #4a4a4a, #6a6a6a); }
.highlight-row .country-name { color: #ff8888; font-weight: 700; }
.pisa-detail-cards {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 24px;
}
.pisa-detail {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--card-radius);
  padding: 28px;
  backdrop-filter: blur(12px);
}
.pd-flag { font-size: 2rem; margin-bottom: 12px; }
.pisa-detail h4 { color: var(--white); font-size: 1.05rem; margin-bottom: 10px; }
.pisa-detail p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 8px; }
.pisa-detail strong { color: var(--gold); }

/* ===== SURVEY ===== */
.survey-meta {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 20px;
  margin-bottom: 48px;
}
.smeta-card {
  background: var(--white);
  border-radius: 14px;
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26,58,110,0.07);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.smeta-icon { font-size: 1.6rem; }
.smeta-num { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; color: var(--navy); }
.smeta-label { font-size: 0.78rem; color: var(--text-mid); text-align: center; }
.survey-dashboard {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 24px;
}
.survey-chart-card {
  background: var(--white);
  border-radius: var(--card-radius);
  padding: 32px;
  border: 1px solid rgba(26,58,110,0.08);
  box-shadow: var(--shadow-sm);
}
.survey-chart-card.wide { grid-column: span 1; }
.survey-chart-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 24px;
}

/* Donut Chart */
.donut-wrapper { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.donut-svg { width: 160px; height: 160px; flex-shrink: 0; }
.donut-track { fill: none; stroke: rgba(26,58,110,0.08); stroke-width: 20; }
.donut-seg { fill: none; stroke-width: 20; stroke-linecap: butt; transition: stroke-dashoffset 1s ease; }
.seg-1 { stroke: var(--blue-mid); }
.seg-2 { stroke: var(--accent); }
.seg-3 { stroke: var(--gold); }
.seg-4 { stroke: var(--silver); }
.donut-center-num { font-size: 22px; font-weight: 700; fill: var(--navy); text-anchor: middle; }
.donut-center-sub { font-size: 10px; fill: var(--text-mid); text-anchor: middle; }
.donut-legend { display: flex; flex-direction: column; gap: 8px; }
.legend-item { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; color: var(--text-mid); }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.l1 { background: var(--blue-mid); }
.l2 { background: var(--accent); }
.l3 { background: var(--gold); }
.l4 { background: var(--silver); }

/* Behavior Chart */
.behavior-chart { display: flex; flex-direction: column; gap: 16px; }
.beh-row { display: flex; align-items: center; gap: 12px; }
.beh-label { font-size: 0.8rem; color: var(--text-mid); width: 200px; flex-shrink: 0; }
.beh-track { flex: 1; height: 22px; background: rgba(26,58,110,0.07); border-radius: 6px; overflow: hidden; position: relative; }
.beh-bar {
  height: 100%;
  width: var(--bw);
  background: linear-gradient(90deg, var(--royal), var(--blue-mid));
  border-radius: 6px;
  animation: barExpand 1.2s ease-out forwards;
  transform-origin: left;
  transform: scaleX(0);
}
.beh-pct { font-size: 0.8rem; font-weight: 700; color: var(--navy); width: 36px; }

/* Knowledge Bars */
.knowledge-bars { display: flex; flex-direction: column; gap: 14px; }
.know-item { display: flex; align-items: center; gap: 10px; }
.know-label { font-size: 0.82rem; color: var(--text-mid); width: 80px; flex-shrink: 0; }
.know-bar-wrap { flex: 1; height: 20px; background: rgba(26,58,110,0.07); border-radius: 5px; overflow: hidden; }
.know-fill {
  height: 100%;
  width: var(--kw);
  border-radius: 5px;
  animation: barExpand 1.2s ease-out forwards;
  transform-origin: left;
  transform: scaleX(0);
}
.know-expert { background: linear-gradient(90deg, #16877a, #1abc9c); }
.know-prof { background: linear-gradient(90deg, var(--blue-mid), var(--accent)); }
.know-mod { background: linear-gradient(90deg, var(--royal), var(--blue-mid)); }
.know-basic { background: linear-gradient(90deg, var(--gold), var(--gold-light)); }
.know-none { background: linear-gradient(90deg, #c0392b, #e74c3c); }
.know-pct { font-size: 0.78rem; font-weight: 700; color: var(--navy); width: 32px; }

/* Findings */
.findings-card { grid-column: 1 / -1; }
.findings-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 24px;
}
.finding-item { text-align: center; padding: 20px; }
.finding-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--blue-mid);
  margin-bottom: 8px;
  display: block;
}
.finding-item p { font-size: 0.85rem; color: var(--text-mid); line-height: 1.5; }

/* ===== TEAM ===== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 24px;
}
.team-card {
  background: var(--white);
  border-radius: var(--card-radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26,58,110,0.08);
  transition: var(--transition);
}
.team-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.team-avatar { margin-bottom: 20px; display: flex; justify-content: center; }
.avatar-placeholder {
  width: 90px; height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--royal));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  border: 3px solid var(--blue-light);
  box-shadow: 0 4px 20px rgba(26,58,110,0.3);
}
.team-card h4 { font-family: var(--font-display); font-size: 1.05rem; color: var(--navy); margin-bottom: 4px; }
.team-role { font-size: 0.78rem; font-weight: 600; color: var(--blue-mid); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.06em; }
.team-bio { font-size: 0.85rem; color: var(--text-mid); line-height: 1.65; margin-bottom: 16px; }
.team-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.team-tags span {
  background: var(--off-white);
  color: var(--royal);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 50px;
  border: 1px solid rgba(26,58,110,0.1);
}

/* ===== RECOMMENDATIONS ===== */
.rec-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 24px;
}
.rec-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--card-radius);
  padding: 40px 32px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
}
.rec-card:hover { background: rgba(255,255,255,0.09); transform: translateY(-4px); }
.rec-featured {
  background: rgba(74,143,212,0.12) !important;
  border-color: rgba(74,143,212,0.3) !important;
  transform: translateY(-8px);
}
.rec-icon { font-size: 2.4rem; margin-bottom: 20px; }
.rec-card h3 { color: var(--white); font-family: var(--font-display); font-size: 1.3rem; margin-bottom: 20px; }
.rec-card li {
  color: rgba(255,255,255,0.7);
  font-size: 0.88rem;
  padding: 10px 0 10px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: relative;
  line-height: 1.5;
}
.rec-card li:last-child { border-bottom: none; }
.rec-card li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 0.8rem;
}

/* ===== BOOKS ===== */
.books-grid {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 28px;
}
.book-card {
  display: flex;
  gap: 28px;
  background: var(--white);
  border-radius: var(--card-radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26,58,110,0.07);
  transition: var(--transition);
  align-items: flex-start;
}
.book-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.book-cover {
  width: 80px;
  height: 115px;
  border-radius: 4px 8px 8px 4px;
  flex-shrink: 0;
  position: relative;
  box-shadow: 4px 4px 16px rgba(0,0,0,0.25);
  overflow: hidden;
  display: flex;
}
.book-spine {
  width: 12px;
  height: 100%;
  flex-shrink: 0;
  border-radius: 4px 0 0 4px;
  filter: brightness(0.7);
}
.book-front {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
}
.book-title-cover {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--white);
  text-align: center;
  line-height: 1.4;
  text-shadow: 0 1px 3px rgba(0,0,0,0.5);
}
.bc-1 { background: linear-gradient(135deg, #7b1f1f, #b22222); }
.bc-1 .book-spine { background: #5a1515; }
.bc-2 { background: linear-gradient(135deg, #1a4a1a, #2d7d2d); }
.bc-2 .book-spine { background: #123512; }
.bc-3 { background: linear-gradient(135deg, #4a3000, #8b5e00); }
.bc-3 .book-spine { background: #362200; }
.bc-4 { background: linear-gradient(135deg, #001a4a, #003080); }
.bc-4 .book-spine { background: #001030; }
.book-info { flex: 1; }
.book-info h4 { font-family: var(--font-display); font-size: 1.1rem; color: var(--navy); margin-bottom: 4px; }
.book-author { font-size: 0.78rem; color: var(--text-mid); margin-bottom: 12px; font-weight: 500; }
.book-info p { font-size: 0.88rem; color: var(--text-mid); line-height: 1.65; margin-bottom: 14px; }
.book-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.book-tags span {
  background: var(--off-white);
  color: var(--royal);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 50px;
  border: 1px solid rgba(26,58,110,0.1);
}

/* ===== RESOURCES ===== */
.resources-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.resource-card {
  background: var(--white);
  border-radius: var(--card-radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26,58,110,0.07);
  transition: var(--transition);
  display: block;
  color: inherit;
}
.resource-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(26,58,110,0.2); }
.res-icon { font-size: 2rem; margin-bottom: 14px; }
.resource-card h4 { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
.resource-card p { font-size: 0.88rem; color: var(--text-mid); line-height: 1.65; margin-bottom: 12px; }
.res-link { font-size: 0.82rem; font-weight: 700; color: var(--blue-mid); }
.ref-list { padding: 0; }
.ref-list li {
  font-size: 0.82rem;
  color: var(--text-mid);
  padding: 8px 0;
  border-bottom: 1px solid var(--section-silver);
  line-height: 1.6;
}
.ref-list li:last-child { border-bottom: none; }
.ref-list em { font-style: italic; color: var(--navy); }

/* ===== QUIZ ===== */
.quiz-container {
  max-width: 780px;
  margin: 0 auto;
  padding: 48px;
}
.quiz-progress-bar {
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
  margin-bottom: 12px;
  overflow: hidden;
}
.quiz-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue-mid), var(--accent-bright));
  border-radius: 3px;
  transition: width 0.5s ease;
  width: 0%;
}
.quiz-progress-text {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 36px;
}
.quiz-question-block { animation: fadeUp 0.4s ease; }
@keyframes fadeUp { from{opacity:0;transform:translateY(16px);} to{opacity:1;transform:translateY(0);} }
.quiz-q-num {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 10px;
}
.quiz-question {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 28px;
  line-height: 1.5;
}
.quiz-options { display: flex; flex-direction: column; gap: 12px; }
.quiz-option {
  background: rgba(255,255,255,0.07);
  border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 16px 20px;
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  display: flex;
  align-items: center;
  gap: 12px;
}
.quiz-option:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.25); color: var(--white); }
.quiz-option.correct { background: rgba(26,188,156,0.18); border-color: #1abc9c; color: var(--white); }
.quiz-option.wrong { background: rgba(231,76,60,0.18); border-color: #e74c3c; color: var(--white); }
.quiz-option.disabled { pointer-events: none; }
.opt-letter {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  flex-shrink: 0;
}
.quiz-feedback {
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: 10px;
  font-size: 0.88rem;
  line-height: 1.65;
  animation: fadeUp 0.3s ease;
}
.quiz-feedback.correct-fb { background: rgba(26,188,156,0.12); border-left: 3px solid #1abc9c; color: rgba(255,255,255,0.85); }
.quiz-feedback.wrong-fb { background: rgba(231,76,60,0.12); border-left: 3px solid #e74c3c; color: rgba(255,255,255,0.85); }
.quiz-next-btn {
  margin-top: 24px;
  display: block;
}

/* Result */
.quiz-result { text-align: center; padding: 40px 20px; animation: fadeUp 0.5s ease; }
.result-circle {
  width: 140px; height: 140px;
  border-radius: 50%;
  border: 6px solid var(--blue-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--white);
  background: rgba(255,255,255,0.05);
}
.result-circle.excellent { border-color: var(--gold); }
.result-circle.good { border-color: #1abc9c; }
.result-circle.fair { border-color: var(--accent); }
.result-circle.poor { border-color: #e74c3c; }
.quiz-result h3 { color: var(--white); font-size: 1.5rem; margin-bottom: 12px; }
.quiz-result p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 32px; }
.result-breakdown {
  background: rgba(255,255,255,0.05);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 28px;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  text-align: left;
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}
.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--navy);
  margin-bottom: 16px;
}
.contact-info > p { color: var(--text-mid); line-height: 1.75; margin-bottom: 36px; }
.contact-items { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.ci-icon { font-size: 1.4rem; margin-top: 2px; }
.contact-item strong { display: block; font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--blue-mid); margin-bottom: 4px; }
.contact-item p { font-size: 0.9rem; color: var(--text-mid); }
.contact-form {
  padding: 48px;
  background: rgba(255,255,255,0.02) !important;
  border: 1px solid rgba(26,58,110,0.12) !important;
  backdrop-filter: none !important;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid rgba(26,58,110,0.15);
  border-radius: 10px;
  background: var(--white);
  color: var(--navy);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-mid);
  box-shadow: 0 0 0 3px rgba(36,81,160,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-note { text-align: center; font-size: 0.78rem; color: var(--silver); margin-top: 12px; }
.form-success {
  text-align: center;
  padding: 40px;
  color: var(--navy);
}
.form-success .success-icon { font-size: 3rem; margin-bottom: 16px; }
.form-success h4 { font-size: 1.3rem; margin-bottom: 8px; color: var(--navy); }
.form-success p { font-size: 0.9rem; color: var(--text-mid); }

/* ===== FOOTER ===== */
.footer {
  background: var(--navy-deep);
  padding: 72px 0 36px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.footer-brand .nav-logo { margin-bottom: 16px; color: var(--white); }
.footer-brand > p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; max-width: 360px; }
.footer-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.footer-col h5 {
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 5px 0;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--silver-light); }
.footer-bottom {
  text-align: center;
}
.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.25);
  margin-bottom: 6px;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 46px; height: 46px;
  background: var(--royal);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  border: 1px solid var(--blue-light);
  box-shadow: 0 4px 20px rgba(26,58,110,0.4);
  z-index: 900;
}
.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: var(--blue-mid); transform: translateY(-3px); }

/* ===== ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .team-grid { grid-template-columns: repeat(2,1fr); }
  .findings-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .intro-grid { grid-template-columns: 1fr; }
  .intro-quote-block { position: static; }
  .intro-pillars { grid-template-columns: 1fr; gap: 16px; }
  .literacy-grid { grid-template-columns: repeat(2,1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .pisa-kpis { grid-template-columns: repeat(3,1fr); }
  .pisa-charts-row { grid-template-columns: 1fr; }
  .pisa-detail-cards { grid-template-columns: 1fr; }
  .survey-meta { grid-template-columns: repeat(2,1fr); }
  .survey-dashboard { grid-template-columns: 1fr; }
  .findings-card { grid-column: 1; }
  .team-grid { grid-template-columns: repeat(2,1fr); }
  .rec-grid { grid-template-columns: 1fr; }
  .rec-featured { transform: none; }
  .books-grid { grid-template-columns: 1fr; }
  .resources-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: repeat(3,1fr); }
}

@media (max-width: 700px) {
  .section { padding: 72px 0; }
  .hero { padding: 100px 20px 60px; }
  .hero-stats { padding: 20px 24px; gap: 16px; }
  .hstat { padding: 0 16px; }
  .hstat-div { display: none; }
  .nav-links { display: none; position: fixed; top: 70px; left: 0; right: 0; background: rgba(7,15,30,0.97); backdrop-filter: blur(20px); flex-direction: column; padding: 24px; gap: 8px; border-bottom: 1px solid rgba(255,255,255,0.07); }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
  .literacy-grid { grid-template-columns: 1fr; }
  .pisa-kpis { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .findings-grid { grid-template-columns: 1fr; }
  .beh-label { width: 150px; font-size: 0.72rem; }
  .quiz-container { padding: 28px 20px; }
  .contact-form { padding: 28px 20px; }
  .footer-links { grid-template-columns: 1fr; }
  .books-grid { grid-template-columns: 1fr; }
  .book-card { flex-direction: column; }
  .hero-actions { flex-direction: column; align-items: center; }
}