/* KPI Quiz - Main Stylesheet */
:root {
  --primary: #0B2447;
  --primary-light: #19376D;
  --accent: #0E7490;
  --accent-light: #22D3EE;
  --teal: #0F766E;
  --teal-light: #14B8A6;
  --neutral-50: #F8FAFC;
  --neutral-100: #F1F5F9;
  --neutral-200: #E2E8F0;
  --neutral-300: #CBD5E1;
  --neutral-400: #94A3B8;
  --neutral-500: #64748B;
  --neutral-600: #475569;
  --neutral-700: #334155;
  --neutral-800: #1E293B;
  --neutral-900: #0F172A;
  --white: #FFFFFF;
  --success: #059669;
  --warning: #D97706;
  --error: #DC2626;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Sans 3', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --shadow-sm: 0 1px 2px rgba(11,36,71,0.06);
  --shadow-md: 0 4px 16px rgba(11,36,71,0.10);
  --shadow-lg: 0 8px 32px rgba(11,36,71,0.14);
  --shadow-xl: 0 16px 48px rgba(11,36,71,0.18);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::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(--neutral-800);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ─── TYPOGRAPHY ─── */
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.25; color: var(--primary); }
h4, h5, h6 { font-family: var(--font-body); font-weight: 700; color: var(--primary); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.15rem; }
p { margin-bottom: 1rem; color: var(--neutral-600); }
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--teal); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { padding-left: 1.5rem; }

/* ─── LAYOUT ─── */
.container { max-width: 1180px; margin: 0 auto; padding: 0 1.5rem; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-lg { padding: 112px 0; }

/* ─── NAVIGATION ─── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(11, 36, 71, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 0;
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-lg); }
.nav-links{
  margin-bottom: 0;
}
.nav-inner { display: flex; width: 100%; align-items: center; justify-content: space-between; height: 68px; }
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo-mark {
  width: 38px; height: 38px; border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-light), var(--teal-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: var(--white); font-weight: 800; font-family: var(--font-display);
}
.nav-logo-text { font-family: var(--font-display); font-size: 1.35rem; font-weight: 700; color: var(--white); }
.nav-logo-text span { color: var(--accent-light); }
.nav-links { display: flex; align-items: center; gap: 0; list-style: none; }
.nav-links a {
  display: block; padding: 8px 16px; color: rgba(255,255,255,0.8);
  font-size: 0.9rem; font-weight: 500; border-radius: var(--radius-md);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--white); background: rgba(255,255,255,0.1); }
.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--teal));
  color: var(--white) !important; padding: 8px 20px !important;
  border-radius: var(--radius-full) !important;
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(14,116,144,0.4); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }

/* ─── HERO ─── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #0E4D6E 100%);
  position: relative; overflow: hidden; padding-top: 68px;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: url('../images/banner.jpg') center/cover no-repeat;
  opacity: 0.07;
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(34,211,238,0.12); border: 1px solid rgba(34,211,238,0.25);
  color: var(--accent-light); font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; padding: 6px 14px;
  border-radius: var(--radius-full); margin-bottom: 1.5rem;
}
.hero h1 { color: var(--white); margin-bottom: 1.5rem; }
.hero h1 em { font-style: italic; color: var(--accent-light); }
.hero-desc { color: rgba(255,255,255,0.75); font-size: 1.1rem; margin-bottom: 2rem; max-width: 480px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 2.5rem; }
.hero-stats { display: flex; gap: 32px; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); }
.hero-stat-num { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; color: var(--accent-light); }
.hero-stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.55); text-transform: uppercase; letter-spacing: 0.05em; }
.hero-visual { position: relative; }
.hero-card {
  background: rgba(255,255,255,0.08); backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius-xl);
  padding: 28px; color: var(--white);
}
.hero-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.hero-card-icon { width: 44px; height: 44px; border-radius: var(--radius-md); background: linear-gradient(135deg, var(--accent), var(--teal)); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }
.hero-card-title { font-weight: 700; font-size: 1rem; }
.hero-card-sub { font-size: 0.8rem; color: rgba(255,255,255,0.55); }
.hero-progress-item { margin-bottom: 14px; }
.hero-progress-label { display: flex; justify-content: space-between; font-size: 0.82rem; color: rgba(255,255,255,0.7); margin-bottom: 6px; }
.hero-progress-bar { height: 6px; background: rgba(255,255,255,0.1); border-radius: var(--radius-full); overflow: hidden; }
.hero-progress-fill { height: 100%; border-radius: var(--radius-full); background: linear-gradient(90deg, var(--accent-light), var(--teal-light)); transition: width 1.5s ease; }
.hero-float-badge {
  position: absolute; top: -20px; right: -20px;
  background: linear-gradient(135deg, var(--success), #10B981);
  color: var(--white); font-size: 0.75rem; font-weight: 700;
  padding: 10px 16px; border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius-full);
  font-family: var(--font-body); font-size: 0.92rem; font-weight: 600;
  cursor: pointer; border: none; transition: var(--transition);
  text-decoration: none; white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--teal)); color: var(--white); }
.btn-primary:hover { opacity: 0.9; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(14,116,144,0.35); color: var(--white); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.4); }
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.7); color: var(--white); }
.btn-dark { background: var(--primary); color: var(--white); }
.btn-dark:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); color: var(--white); }
.btn-ghost { background: transparent; color: var(--accent); border: 2px solid var(--accent); }
.btn-ghost:hover { background: var(--accent); color: var(--white); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-lg { padding: 16px 36px; font-size: 1rem; }

/* ─── SECTION HEADERS ─── */
.section-header { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--accent); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 14px;
}
.section-label::before, .section-label::after { content: ''; flex: 1; height: 1px; background: var(--accent); opacity: 0.4; width: 24px; }
.section-header h2 { margin-bottom: 1rem; }
.section-header p { font-size: 1.05rem; }

/* ─── QUIZ SECTION ─── */
.quiz-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; justify-content: center; }
.quiz-tab {
  padding: 10px 22px; border-radius: var(--radius-full);
  border: 2px solid var(--neutral-200); background: var(--white);
  font-size: 0.88rem; font-weight: 600; cursor: pointer;
  color: var(--neutral-600); transition: var(--transition);
}
.quiz-tab:hover { border-color: var(--accent); color: var(--accent); }
.quiz-tab.active { background: var(--primary); border-color: var(--primary); color: var(--white); }
.quiz-panel { display: none; }
.quiz-panel.active { display: block; }
.quiz-card {
  background: var(--white); border: 1px solid var(--neutral-200);
  border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-md);
}
.quiz-card-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  padding: 28px 32px; color: var(--white);
}
.quiz-card-header h3 { color: var(--white); margin-bottom: 6px; }
.quiz-card-header p { color: rgba(255,255,255,0.7); margin: 0; font-size: 0.9rem; }
.quiz-progress-bar { height: 4px; background: rgba(255,255,255,0.2); border-radius: 2px; margin-top: 20px; }
.quiz-progress-fill { height: 100%; background: var(--accent-light); border-radius: 2px; transition: width 0.4s ease; }
.quiz-body { padding: 32px; }
.quiz-question { margin-bottom: 28px; }
.quiz-question-text { font-size: 1.05rem; font-weight: 600; color: var(--primary); margin-bottom: 16px; }
.quiz-options { display: flex; flex-direction: column; gap: 10px; }
.quiz-option {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 18px; border: 2px solid var(--neutral-200);
  border-radius: var(--radius-md); cursor: pointer; transition: var(--transition);
  background: var(--neutral-50);
}
.quiz-option:hover { border-color: var(--accent); background: rgba(14,116,144,0.04); }
.quiz-option input[type="radio"] { width: 18px; height: 18px; accent-color: var(--accent); flex-shrink: 0; }
.quiz-option label { cursor: pointer; font-size: 0.92rem; color: var(--neutral-700); line-height: 1.4; }
.quiz-option.correct { border-color: var(--success); background: rgba(5,150,105,0.06); }
.quiz-option.incorrect { border-color: var(--error); background: rgba(220,38,38,0.06); }
.quiz-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--neutral-100); }
.quiz-counter { font-size: 0.85rem; color: var(--neutral-500); }
.quiz-result {
  text-align: center; padding: 40px 32px;
  background: linear-gradient(135deg, rgba(11,36,71,0.03), rgba(14,116,144,0.06));
  border-radius: var(--radius-lg); margin-top: 24px;
}
.quiz-result-score { font-family: var(--font-display); font-size: 3rem; font-weight: 700; color: var(--primary); }
.quiz-result-label { font-size: 1.1rem; color: var(--neutral-600); margin-bottom: 16px; }
.quiz-result-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: var(--radius-full);
  font-size: 0.88rem; font-weight: 700;
}
.badge-excellent { background: rgba(5,150,105,0.1); color: var(--success); }
.badge-good { background: rgba(14,116,144,0.1); color: var(--accent); }
.badge-fair { background: rgba(217,119,6,0.1); color: var(--warning); }
.badge-needs-work { background: rgba(220,38,38,0.1); color: var(--error); }

/* ─── DIAGNOSTIC TOOL ─── */
.diagnostic-tool {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-xl); padding: 48px; color: var(--white);
}
.diagnostic-tool h3 { color: var(--white); margin-bottom: 8px; }
.diagnostic-select-group { margin-bottom: 20px; }
.diagnostic-select-group label { display: block; font-size: 0.85rem; font-weight: 600; color: rgba(255,255,255,0.7); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.06em; }
.diagnostic-select {
  width: 100%; padding: 12px 16px; border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.1);
  color: var(--white); font-size: 0.95rem; font-family: var(--font-body);
  appearance: none; cursor: pointer;
}
.diagnostic-select option { background: var(--primary); color: var(--white); }
.diagnostic-result {
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg); padding: 24px; margin-top: 24px; display: none;
}
.diagnostic-result h4 { color: var(--accent-light); margin-bottom: 12px; }
.diagnostic-result p { color: rgba(255,255,255,0.8); margin: 0; }
.diagnostic-quiz-list { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.diagnostic-quiz-item {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.08); padding: 10px 16px; border-radius: var(--radius-md);
  font-size: 0.88rem; color: rgba(255,255,255,0.85);
}
.diagnostic-quiz-item i { color: var(--accent-light); }

/* ─── CARDS ─── */
.card {
  background: var(--white); border: 1px solid var(--neutral-200);
  border-radius: var(--radius-xl); overflow: hidden;
  transition: var(--transition); box-shadow: var(--shadow-sm);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--neutral-300); }
.card-img { width: 100%; height: 200px; object-fit: cover; }
.card-body { padding: 24px; }
.card-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); margin-bottom: 8px; }
.card-title { font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; line-height: 1.4; }
.card-desc { font-size: 0.9rem; color: var(--neutral-500); margin-bottom: 0; }
.card-footer { padding: 16px 24px; border-top: 1px solid var(--neutral-100); display: flex; align-items: center; justify-content: space-between; }
.card-meta { font-size: 0.8rem; color: var(--neutral-400); display: flex; align-items: center; gap: 6px; }

/* ─── QUIZ CARDS (featured) ─── */
.quiz-feature-card {
  background: var(--white); border-radius: var(--radius-xl);
  border: 1px solid var(--neutral-200); overflow: hidden;
  transition: var(--transition); box-shadow: var(--shadow-sm);
}
.quiz-feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.quiz-feature-card-top { padding: 28px; }
.quiz-feature-icon { width: 52px; height: 52px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; margin-bottom: 16px; }
.quiz-feature-card h4 { font-family: var(--font-display); font-size: 1.15rem; color: var(--primary); margin-bottom: 8px; }
.quiz-feature-card p { font-size: 0.88rem; color: var(--neutral-500); margin-bottom: 0; }
.quiz-feature-card-bottom { padding: 16px 28px; border-top: 1px solid var(--neutral-100); display: flex; align-items: center; justify-content: space-between; background: var(--neutral-50); }
.quiz-feature-meta { font-size: 0.8rem; color: var(--neutral-500); display: flex; align-items: center; gap: 6px; }
.difficulty-badge { font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: var(--radius-full); text-transform: uppercase; letter-spacing: 0.06em; }
.diff-beginner { background: rgba(5,150,105,0.1); color: var(--success); }
.diff-intermediate { background: rgba(14,116,144,0.1); color: var(--accent); }
.diff-advanced { background: rgba(11,36,71,0.1); color: var(--primary); }

/* ─── ARTICLE CARDS ─── */
.article-card { background: var(--white); border-radius: var(--radius-xl); overflow: hidden; border: 1px solid var(--neutral-200); box-shadow: var(--shadow-sm); transition: var(--transition); }
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.article-card img { width: 100%; height: 220px; object-fit: cover; }
.article-card-body { padding: 24px; }
.article-tag { display: inline-block; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); background: rgba(14,116,144,0.08); padding: 4px 10px; border-radius: var(--radius-full); margin-bottom: 10px; }
.article-card-body h3 { font-size: 1.1rem; color: var(--primary); margin-bottom: 8px; line-height: 1.45; }
.article-card-body p { font-size: 0.88rem; color: var(--neutral-500); margin-bottom: 12px; }
.article-card-meta { display: flex; align-items: center; gap: 16px; font-size: 0.78rem; color: var(--neutral-400); }
.article-card-meta i { color: var(--neutral-300); }

/* ─── TESTIMONIALS ─── */
.testimonial-card {
  background: var(--white); border-radius: var(--radius-xl);
  border: 1px solid var(--neutral-200); padding: 32px;
  box-shadow: var(--shadow-sm); position: relative;
}
.testimonial-quote { font-size: 2rem; color: var(--neutral-200); font-family: Georgia, serif; line-height: 1; margin-bottom: 16px; }
.testimonial-text { font-size: 0.95rem; color: var(--neutral-600); font-style: italic; line-height: 1.7; margin-bottom: 20px; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.testimonial-avatar { width: 48px; height: 48px; border-radius: var(--radius-full); object-fit: cover; }
.testimonial-name { font-weight: 700; font-size: 0.92rem; color: var(--primary); }
.testimonial-role { font-size: 0.8rem; color: var(--neutral-400); }
.testimonial-stars { color: #F59E0B; font-size: 0.82rem; margin-top: 2px; }

/* ─── TEAM ─── */
.team-card { text-align: center; }
.team-card img { width: 100px; height: 100px; border-radius: var(--radius-full); object-fit: cover; margin: 0 auto 16px; border: 3px solid var(--neutral-200); }
.team-card h4 { font-size: 1rem; color: var(--primary); margin-bottom: 4px; }
.team-card .team-role { font-size: 0.82rem; color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }
.team-card p { font-size: 0.85rem; color: var(--neutral-500); margin: 0; }

/* ─── STATS ─── */
.stat-card {
  text-align: center; padding: 32px 24px;
  background: var(--white); border-radius: var(--radius-xl);
  border: 1px solid var(--neutral-200); box-shadow: var(--shadow-sm);
}
.stat-icon { font-size: 1.8rem; color: var(--accent); margin-bottom: 12px; }
.stat-number { font-family: var(--font-display); font-size: 2.8rem; font-weight: 700; color: var(--primary); line-height: 1; margin-bottom: 4px; }
.stat-label { font-size: 0.85rem; color: var(--neutral-500); text-transform: uppercase; letter-spacing: 0.06em; }

/* ─── FAQ ─── */
.faq-item { border: 1px solid var(--neutral-200); border-radius: var(--radius-md); margin-bottom: 12px; overflow: hidden; transition: var(--transition); }
.faq-item.open { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px; cursor: pointer; background: var(--white);
  font-weight: 600; color: var(--primary); font-size: 0.95rem;
  transition: var(--transition);
}
.faq-question:hover { background: var(--neutral-50); }
.faq-item.open .faq-question { color: var(--accent); background: rgba(14,116,144,0.04); }
.faq-icon { width: 24px; height: 24px; border-radius: var(--radius-full); background: var(--neutral-100); display: flex; align-items: center; justify-content: center; font-size: 0.8rem; color: var(--neutral-500); transition: var(--transition); flex-shrink: 0; }
.faq-item.open .faq-icon { background: var(--accent); color: var(--white); transform: rotate(45deg); }
.faq-answer { display: none; padding: 0 22px 18px; font-size: 0.92rem; color: var(--neutral-600); line-height: 1.75; }
.faq-item.open .faq-answer { display: block; }

/* ─── QUOTES CAROUSEL ─── */
.quotes-carousel { position: relative; overflow: hidden; }
.quote-slide { display: none; text-align: center; padding: 32px; }
.quote-slide.active { display: block; }
.quote-slide blockquote { font-family: var(--font-display); font-size: clamp(1.2rem, 2.5vw, 1.7rem); font-style: italic; color: var(--primary); line-height: 1.5; margin-bottom: 16px; }
.quote-slide cite { font-size: 0.85rem; color: var(--neutral-500); font-style: normal; }
.quote-dots { display: flex; justify-content: center; gap: 8px; margin-top: 20px; }
.quote-dot { width: 8px; height: 8px; border-radius: var(--radius-full); background: var(--neutral-200); cursor: pointer; transition: var(--transition); }
.quote-dot.active { background: var(--accent); width: 24px; }

/* ─── KNOWLEDGE CONCEPT SECTION ─── */
.concept-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.concept-icon-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.concept-icon-card {
  background: var(--white); border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg); padding: 20px; text-align: center;
  transition: var(--transition);
}
.concept-icon-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.concept-icon-card .icon { font-size: 1.8rem; margin-bottom: 10px; }
.concept-icon-card h5 { font-size: 0.88rem; color: var(--primary); margin-bottom: 4px; }
.concept-icon-card p { font-size: 0.78rem; color: var(--neutral-500); margin: 0; }

/* ─── FOOTER ─── */
.footer {
  background: var(--neutral-900); color: rgba(255,255,255,0.65);
  padding: 64px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: var(--radius-md);
  background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.55); font-size: 0.9rem; transition: var(--transition);
}
.footer-social a:hover { background: var(--accent); color: var(--white); }
.footer-col h5 { color: var(--white); font-size: 0.88rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 20px; }
.footer-links { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.88rem; color: rgba(255,255,255,0.55); transition: var(--transition); }
.footer-links a:hover { color: var(--accent-light); }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px; font-size: 0.85rem; }
.footer-contact-item i { color: var(--accent-light); margin-top: 2px; flex-shrink: 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; }
.footer-bottom p { margin: 0; font-size: 0.82rem; }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 0.82rem; color: rgba(255,255,255,0.4); }
.footer-legal a:hover { color: rgba(255,255,255,0.8); }

/* ─── GRIDS ─── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }

/* ─── BG VARIANTS ─── */
.bg-light { background: var(--neutral-50); }
.bg-primary { background: linear-gradient(135deg, var(--primary), var(--primary-light)); }
.bg-accent { background: linear-gradient(135deg, var(--accent), var(--teal)); }
.bg-white { background: var(--white); }

/* ─── SEPARATORS ─── */
.wave-sep { overflow: hidden; line-height: 0; }
.wave-sep svg { display: block; }

/* ─── FORMS ─── */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.88rem; font-weight: 600; color: var(--primary); margin-bottom: 6px; }
.form-label span { color: var(--error); }
.form-control {
  width: 100%; padding: 12px 16px; border: 2px solid var(--neutral-200);
  border-radius: var(--radius-md); font-family: var(--font-body); font-size: 0.95rem;
  color: var(--neutral-800); background: var(--white); transition: var(--transition);
}
.form-control:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(14,116,144,0.12); }
.form-control.error { border-color: var(--error); }
textarea.form-control { resize: vertical; min-height: 140px; }
.form-error { font-size: 0.82rem; color: var(--error); margin-top: 4px; display: none; }
.form-error.visible { display: block; }
.form-success { background: rgba(5,150,105,0.08); border: 1px solid rgba(5,150,105,0.2); padding: 16px; border-radius: var(--radius-md); color: var(--success); font-size: 0.92rem; display: none; }
.form-success.visible { display: block; }

/* ─── PAGE HERO (inner pages) ─── */
.page-hero {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  padding: 120px 0 60px; text-align: center; color: var(--white);
}
.page-hero h1 { color: var(--white); margin-bottom: 16px; }
.page-hero p { color: rgba(255,255,255,0.75); font-size: 1.1rem; max-width: 560px; margin: 0 auto; }

/* ─── BREADCRUMB ─── */
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: rgba(255,255,255,0.5); justify-content: center; margin-bottom: 24px; }
.breadcrumb a { color: rgba(255,255,255,0.6); }
.breadcrumb a:hover { color: var(--accent-light); }
.breadcrumb i { font-size: 0.6rem; }

/* ─── ARTICLE LAYOUT ─── */
.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }
.article-content h2 { font-size: 1.7rem; margin: 2rem 0 1rem; }
.article-content h3 { font-size: 1.3rem; margin: 1.5rem 0 0.75rem; }
.article-content p { font-size: 1rem; line-height: 1.8; color: var(--neutral-700); }
.article-content ul, .article-content ol { margin-bottom: 1.5rem; }
.article-content li { margin-bottom: 6px; color: var(--neutral-700); }
.article-content img { border-radius: var(--radius-lg); margin: 2rem 0; box-shadow: var(--shadow-md); }
.article-content blockquote {
  border-left: 4px solid var(--accent); padding: 16px 24px;
  background: rgba(14,116,144,0.05); border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 2rem 0; font-style: italic; color: var(--neutral-600);
}
.article-sidebar { position: sticky; top: 84px; }
.sidebar-widget { background: var(--white); border: 1px solid var(--neutral-200); border-radius: var(--radius-xl); padding: 24px; margin-bottom: 24px; }
.sidebar-widget h5 { font-size: 0.88rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--neutral-500); margin-bottom: 16px; }

/* ─── ABOUT PAGE ─── */
.timeline { position: relative; padding-left: 32px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: linear-gradient(to bottom, var(--accent), var(--teal-light)); border-radius: 1px; }
.timeline-item { position: relative; margin-bottom: 36px; }
.timeline-item::before { content: ''; position: absolute; left: -28px; top: 4px; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); border: 3px solid var(--white); box-shadow: 0 0 0 2px var(--accent); }
.timeline-date { font-size: 0.8rem; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 6px; }
.timeline-title { font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.timeline-desc { font-size: 0.9rem; color: var(--neutral-600); margin: 0; }

/* ─── LEGAL PAGES ─── */
.legal-content h2 { font-size: 1.5rem; margin: 2rem 0 0.75rem; }
.legal-content h3 { font-size: 1.15rem; margin: 1.5rem 0 0.5rem; }
.legal-content p, .legal-content li { font-size: 0.95rem; color: var(--neutral-600); line-height: 1.8; }
.legal-content ul { margin-bottom: 1.5rem; }
.legal-date { font-size: 0.85rem; color: var(--neutral-400); margin-bottom: 2rem; display: block; }

/* ─── COOKIE BANNER ─── */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 9999;
  background: var(--neutral-900); border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 24px; transform: translateY(100%); transition: transform 0.4s ease;
}
.cookie-banner.visible { transform: translateY(0); }
.cookie-inner { max-width: 1180px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cookie-text { font-size: 0.88rem; color: rgba(255,255,255,0.75); }
.cookie-text a { color: var(--accent-light); }
.cookie-actions { display: flex; gap: 10px; flex-shrink: 0; }
.cookie-accept { background: var(--accent); color: var(--white); border: none; padding: 10px 22px; border-radius: var(--radius-full); font-size: 0.88rem; font-weight: 600; cursor: pointer; transition: var(--transition); }
.cookie-accept:hover { background: var(--teal); }
.cookie-decline { background: transparent; color: rgba(255,255,255,0.5); border: 1px solid rgba(255,255,255,0.2); padding: 10px 22px; border-radius: var(--radius-full); font-size: 0.88rem; cursor: pointer; transition: var(--transition); }
.cookie-decline:hover { color: var(--white); border-color: rgba(255,255,255,0.5); }

/* ─── THANK YOU ─── */
.thank-you-section { min-height: 100vh; display: flex; align-items: center; text-align: center; background: linear-gradient(135deg, var(--primary), var(--primary-light)); }
.thank-you-card { background: var(--white); border-radius: var(--radius-xl); padding: 56px; max-width: 560px; margin: 0 auto; box-shadow: var(--shadow-xl); }
.thank-you-icon { width: 72px; height: 72px; background: linear-gradient(135deg, var(--success), #10B981); border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; font-size: 1.8rem; color: var(--white); margin: 0 auto 24px; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .concept-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .nav-links { display: none; flex-direction: column; gap: 4px; padding: 16px; background: var(--primary); position: absolute; top: 68px; left: 0; right: 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .diagnostic-tool { padding: 28px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .quiz-body { padding: 20px; }
}

@media (max-width: 480px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .btn-lg { padding: 14px 28px; }
}



.logo{
  max-width: 200px;
  object-fit: contain;
}

html{
  overflow-x: hidden;
}