/* ==========================================
   AIReady — Landing Page Styles
   Color Psychology: Slate blue (trust) + Teal (progress)
   Typography: Inter (modern, readable)
   ========================================== */

/* --- CSS Variables --- */
:root {
    --primary: #1e3a5f;
    --primary-light: #2d6da4;
    --primary-lighter: #e8f1fa;
    --accent: #0d9488;
    --accent-hover: #0a7a70;
    --accent-light: #ccfbf1;
    --accent-glow: rgba(13, 148, 136, 0.15);
    --bg: #f5f7fa;
    --surface: #ffffff;
    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.1), 0 4px 12px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.text-accent { color: var(--accent); }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    white-space: nowrap;
    border: 2px solid transparent;
    font-size: 15px;
    padding: 12px 24px;
    text-align: center;
}

.btn-sm { padding: 8px 20px; font-size: 14px; }
.btn-lg { padding: 16px 32px; font-size: 17px; }
.btn-block { width: 100%; }

.btn-primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 4px 14px rgba(13, 148, 136, 0.3);
}
.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: 0 6px 20px rgba(13, 148, 136, 0.4);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--border);
}
.btn-outline:hover {
    border-color: var(--primary);
    background: var(--primary-lighter);
}

/* --- Section Shared --- */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 56px;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    background: var(--accent-light);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--primary);
}

.section-desc {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============ PROMO BANNER ============ */
#promo-banner {
    background: var(--primary);
    color: #fff;
    padding: 10px 0;
    position: relative;
    z-index: 1001;
    font-size: 14px;
}

#promo-banner .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

#promo-banner p {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

#promo-banner strong { color: var(--warning); }

#promo-banner a {
    background: var(--accent);
    color: #fff;
    padding: 4px 14px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 12px;
    transition: background var(--transition);
}
#promo-banner a:hover { background: var(--accent-hover); }

#close-banner {
    color: rgba(255,255,255,0.6);
    font-size: 16px;
    padding: 4px;
    transition: color var(--transition);
    flex-shrink: 0;
}
#close-banner:hover { color: #fff; }

#promo-banner.hidden { display: none; }

/* ============ NAVBAR ============ */
#navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    transition: box-shadow var(--transition);
    padding: 0;
}

#navbar.scrolled {
    box-shadow: var(--shadow-md);
}

#navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    color: var(--primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
}

.logo-accent { color: var(--accent); }

/* Nav Links */
.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition);
}
.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after { width: 100%; }

/* Nav Right */
.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-cta { font-size: 14px !important; }

/* Language Selector */
.lang-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.lang-btn:hover { border-color: var(--primary); color: var(--primary); }
.lang-btn .fa-chevron-down { font-size: 10px; transition: transform var(--transition); }

.lang-selector.open .lang-btn .fa-chevron-down { transform: rotate(180deg); }

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 140px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition);
    z-index: 100;
}

.lang-selector.open .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 16px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all var(--transition);
}
.lang-option:hover { background: var(--bg); color: var(--primary); }
.lang-option.active { color: var(--accent); font-weight: 600; }

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
}
.mobile-toggle span {
    width: 22px;
    height: 2px;
    background: var(--primary);
    transition: all var(--transition);
    border-radius: 2px;
}

/* ============ HERO ============ */
#hero {
    background: linear-gradient(170deg, var(--primary) 0%, #1a2e4a 100%);
    color: #fff;
    padding: 100px 0 120px;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badges-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.hero-new-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, var(--accent), #10b981);
    color: #fff;
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    animation: new-tag-glow 2s ease-in-out infinite alternate;
}

@keyframes new-tag-glow {
    0% { box-shadow: 0 0 8px rgba(13, 148, 136, 0.3); }
    100% { box-shadow: 0 0 20px rgba(13, 148, 136, 0.5); }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 8px 18px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    backdrop-filter: blur(4px);
}

#hero h1 {
    font-size: clamp(36px, 5.5vw, 56px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

#hero .btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    font-size: 17px;
    padding: 16px 32px;
}

#hero .btn-outline {
    color: #fff;
    border-color: rgba(255,255,255,0.3);
}
#hero .btn-outline:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.1);
}

.trust-bar {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255,255,255,0.7);
}

.trust-stars {
    display: flex;
    gap: 2px;
    color: var(--warning);
    font-size: 13px;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-illustration {
    position: relative;
    width: 400px;
    height: 400px;
}

.hero-brain {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    box-shadow: 0 0 60px rgba(13, 148, 136, 0.4);
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 40px rgba(13, 148, 136, 0.3); }
    50% { box-shadow: 0 0 80px rgba(13, 148, 136, 0.5); }
}

.hero-card {
    position: absolute;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-md);
    padding: 16px 22px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 500;
    animation: float 6s ease-in-out infinite;
}

.hero-card i { font-size: 20px; color: var(--accent); }

.hero-card-1 { top: 30px; left: 10px; animation-delay: 0s; }
.hero-card-2 { top: 60px; right: 0; animation-delay: 2s; }
.hero-card-3 { bottom: 50px; left: 30px; animation-delay: 4s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.hero-particles span {
    position: absolute;
    width: 6px;
    height: 6px;
    background: rgba(13, 148, 136, 0.5);
    border-radius: 50%;
    animation: particle-drift 8s linear infinite;
}
.hero-particles span:nth-child(1) { top: 10%; left: 20%; animation-delay: 0s; }
.hero-particles span:nth-child(2) { top: 70%; left: 80%; animation-delay: 1.5s; }
.hero-particles span:nth-child(3) { top: 40%; left: 60%; animation-delay: 3s; }
.hero-particles span:nth-child(4) { top: 80%; left: 30%; animation-delay: 4.5s; }
.hero-particles span:nth-child(5) { top: 20%; left: 70%; animation-delay: 6s; }
.hero-particles span:nth-child(6) { top: 60%; left: 10%; animation-delay: 7s; }

@keyframes particle-drift {
    0% { opacity: 0; transform: translateY(0) scale(0.5); }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { opacity: 0; transform: translateY(-40px) scale(1.5); }
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
}
.hero-wave svg { width: 100%; height: auto; }

/* ============ PROBLEM ============ */
#problem {
    background: var(--bg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 56px;
}

.stat-card {
    text-align: center;
    padding: 32px 24px;
    background: var(--surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-text {
    font-size: 14px;
    color: var(--text-secondary);
}

.pain-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.pain-card {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}
.pain-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.pain-icon {
    width: 52px;
    height: 52px;
    background: #fef2f2;
    color: #dc2626;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 20px;
}

.pain-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary);
}

.pain-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============ SOLUTION ============ */
#solution {
    background: var(--surface);
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.solution-card {
    padding: 32px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    transition: all var(--transition);
    background: var(--bg);
}
.solution-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow);
    transform: translateY(-2px);
}

.solution-icon {
    width: 52px;
    height: 52px;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 20px;
}

.solution-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary);
}

.solution-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============ LEARNING PATHS ============ */
#paths {
    background: var(--bg);
}

.paths-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

.path-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    border: 2px solid var(--border);
    transition: all var(--transition);
    position: relative;
}
.path-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.path-card-featured {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow), var(--shadow-lg);
    transform: scale(1.02);
}
.path-card-featured:hover {
    transform: scale(1.02) translateY(-4px);
}

.path-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 18px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.path-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-lighter);
    color: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}

.path-card-featured .path-icon {
    background: var(--accent-light);
    color: var(--accent);
}

.path-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary);
}

.path-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.path-features {
    margin-bottom: 20px;
}
.path-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 6px 0;
    font-size: 14px;
    color: var(--text-secondary);
}
.path-features li i {
    color: var(--accent);
    font-size: 13px;
    margin-top: 4px;
    flex-shrink: 0;
}

.path-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-light);
    padding: 4px 12px;
    border-radius: 100px;
}

.paths-note {
    text-align: center;
    margin-top: 32px;
    font-size: 14px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* ============ CURRICULUM ============ */
#curriculum {
    background: var(--surface);
}

.modules-list {
    max-width: 800px;
    margin: 0 auto;
}

.module-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: all var(--transition);
}
.module-item:hover { border-color: var(--primary-light); }

.module-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 20px 24px;
    font-size: 16px;
    text-align: left;
    transition: background var(--transition);
}
.module-header:hover { background: var(--bg); }

.module-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.module-number {
    font-size: 14px;
    font-weight: 800;
    color: var(--accent);
    background: var(--accent-light);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.module-info h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 2px;
}

.module-meta {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.module-chevron {
    font-size: 14px;
    color: var(--text-muted);
    transition: transform var(--transition);
    flex-shrink: 0;
}

.module-header[aria-expanded="true"] .module-chevron {
    transform: rotate(180deg);
}

.module-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.module-content p {
    padding: 0 24px 16px;
    font-size: 14px;
    color: var(--text-secondary);
    padding-left: 84px;
}

.module-content ul {
    padding: 0 24px 20px;
    padding-left: 84px;
}

.module-content li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    font-size: 14px;
    color: var(--text-secondary);
}
.module-content li i {
    color: var(--primary-light);
    font-size: 14px;
    flex-shrink: 0;
}
.module-content li .fa-clipboard-question,
.module-content li .fa-award {
    color: var(--accent);
}

.module-preview-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 8px 0 12px 84px;
    padding: 8px 18px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-light);
    border-radius: 100px;
    transition: all var(--transition);
}
.module-preview-link:hover {
    background: var(--accent);
    color: #fff;
    transform: translateX(4px);
}

@media (max-width: 768px) {
    .module-preview-link { margin-left: 24px; }
}

/* ============ HOW IT WORKS ============ */
#how-it-works {
    background: var(--bg);
}

.steps-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
}

.step-card {
    text-align: center;
    padding: 32px 28px;
    flex: 0 1 300px;
}

.step-number {
    width: 44px;
    height: 44px;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    margin: 0 auto 16px;
}

.step-icon {
    font-size: 36px;
    color: var(--primary-light);
    margin-bottom: 16px;
}

.step-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary);
}

.step-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.step-connector {
    display: flex;
    align-items: center;
    padding-top: 40px;
    color: var(--accent);
    font-size: 20px;
    flex-shrink: 0;
}

/* ============ FEATURES ============ */
#features {
    background: var(--surface);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    text-align: center;
    padding: 36px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    background: var(--bg);
    transition: all var(--transition);
}
.feature-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.feature-card > i {
    font-size: 32px;
    color: var(--accent);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary);
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============ TESTIMONIALS ============ */
#testimonials {
    background: var(--bg);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--surface);
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all var(--transition);
}
.testimonial-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.testimonial-stars {
    color: var(--warning);
    font-size: 14px;
    margin-bottom: 16px;
    display: flex;
    gap: 2px;
}

.testimonial-card blockquote {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    background: var(--primary-lighter);
    color: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.testimonial-author strong {
    display: block;
    font-size: 15px;
    color: var(--primary);
}

.testimonial-author span {
    font-size: 13px;
    color: var(--text-muted);
}

/* ============ PRICING ============ */
#pricing {
    background: linear-gradient(170deg, var(--primary) 0%, #1a2e4a 100%);
    color: #fff;
    padding: 100px 0;
}

#pricing .section-header h2 { color: #fff; }
#pricing .section-tag { background: rgba(13,148,136,0.2); color: var(--accent); }
#pricing .section-desc { color: rgba(255,255,255,0.7); }

.pricing-wrapper {
    max-width: 520px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--surface);
    border-radius: var(--radius-xl);
    padding: 40px 36px;
    box-shadow: var(--shadow-xl);
    color: var(--text);
}

.pricing-header {
    text-align: center;
    margin-bottom: 24px;
}

.pricing-original {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 8px;
}

.price-old {
    font-size: 20px;
    color: var(--text-muted);
    text-decoration: line-through;
}

.price-badge {
    background: #fef2f2;
    color: #dc2626;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 100px;
}

.pricing-amount {
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.price-currency {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    margin-top: 8px;
}

.price-value {
    font-size: 80px;
    font-weight: 800;
    line-height: 1;
    color: var(--primary);
    letter-spacing: -2px;
}

.pricing-note {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

.pricing-divider {
    height: 1px;
    background: var(--border);
    margin: 24px 0;
}

.pricing-features {
    margin-bottom: 28px;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 0;
    font-size: 15px;
    color: var(--text-secondary);
}

.pricing-features li i {
    color: var(--accent);
    font-size: 14px;
    margin-top: 4px;
    flex-shrink: 0;
}

.pricing-card .btn-primary {
    padding: 18px 32px;
    font-size: 18px;
    border-radius: var(--radius-md);
}

/* Trust Strip — Pricing */
.pricing-trust-strip {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 24px;
    padding: 20px 16px;
    background: var(--bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.pricing-trust-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    justify-content: center;
}

.pricing-trust-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(13,148,136,0.1);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    flex-shrink: 0;
}

.pricing-trust-icon.refund {
    background: rgba(34,197,94,0.1);
    color: #16a34a;
}

.pricing-trust-label {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.pricing-trust-label strong {
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
}

.pricing-trust-label span {
    font-size: 11px;
    color: var(--text-muted);
}

.pricing-payment-logos {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
    opacity: 0.6;
}

.pricing-payment-logos img {
    height: 24px;
    width: auto;
}

@media (max-width: 768px) {
    .pricing-trust-strip {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
        padding: 16px 20px;
    }
    .pricing-trust-badge {
        justify-content: flex-start;
    }
}

/* Pricing Path Selector */
.pricing-path-selector {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    background: var(--bg);
    border-radius: var(--radius-md);
    padding: 6px;
}

.pricing-path {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 8px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--transition);
    position: relative;
    border: 2px solid transparent;
}

.pricing-path i { font-size: 18px; }

.pricing-path:hover {
    color: var(--primary);
    background: var(--surface);
}

.pricing-path.active {
    background: var(--surface);
    color: var(--primary);
    border-color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.pricing-path-rec {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
    background: var(--accent-light);
    padding: 2px 8px;
    border-radius: 100px;
}

.pricing-path-desc {
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 12px;
    font-style: italic;
}

.pricing-preview-link {
    display: block;
    text-align: center;
    margin-top: 12px;
    font-size: 14px;
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition);
}

.pricing-preview-link:hover {
    color: var(--primary);
    text-decoration: underline;
}

.pricing-preview-link i {
    margin-right: 4px;
}

/* ============ GUARANTEE ============ */
#guarantee {
    background: var(--surface);
    padding: 60px 0;
}

.guarantee-card {
    display: flex;
    align-items: center;
    gap: 32px;
    background: var(--accent-light);
    border: 2px solid var(--accent);
    border-radius: var(--radius-xl);
    padding: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.guarantee-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
}

.guarantee-content h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.guarantee-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============ FAQ ============ */
#faq {
    background: var(--bg);
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 10px;
    overflow: hidden;
    background: var(--surface);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 20px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
    text-align: left;
    transition: background var(--transition);
    gap: 16px;
}
.faq-question:hover { background: var(--bg); }

.faq-question i {
    font-size: 13px;
    color: var(--text-muted);
    transition: transform var(--transition);
    flex-shrink: 0;
}

.faq-question[aria-expanded="true"] i { transform: rotate(180deg); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============ FINAL CTA ============ */
#final-cta {
    background: linear-gradient(135deg, var(--primary) 0%, #1a2e4a 70%, var(--accent-hover) 100%);
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

.final-cta-content {
    max-width: 640px;
    margin: 0 auto;
}

.final-cta-content h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.final-cta-content p {
    font-size: 17px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
}

.final-cta-content .btn-primary {
    font-size: 18px;
    padding: 18px 40px;
}

.final-trust {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin-top: 24px;
    flex-wrap: wrap;
}

.final-trust span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}

/* ============ FOOTER ============ */
#footer {
    background: #0c1e33;
    color: rgba(255,255,255,0.7);
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo { margin-bottom: 16px; color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.6; max-width: 280px; }

.footer-links h4,
.footer-contact h4 {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links ul li { margin-bottom: 10px; }
.footer-links a {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); }

.footer-contact p {
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.footer-lang {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-lang-btn {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    padding: 4px 8px;
    border-radius: 4px;
    transition: all var(--transition);
}
.footer-lang-btn:hover { color: #fff; }
.footer-lang-btn.active { color: var(--accent); font-weight: 600; }
.footer-lang span { color: rgba(255,255,255,0.3); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}

.footer-payment-icons {
    display: flex;
    gap: 12px;
    font-size: 24px;
    color: rgba(255,255,255,0.3);
}

/* ============ MOBILE STICKY CTA ============ */
#mobile-sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    padding: 12px 0;
    z-index: 999;
    display: none;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

#mobile-sticky-cta.visible { transform: translateY(0); }

.mobile-sticky-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mobile-sticky-info {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.mobile-sticky-price {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
}

.mobile-sticky-text {
    font-size: 13px;
    color: var(--text-muted);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-ctas { justify-content: center; }
    .trust-bar { justify-content: center; }
    .hero-illustration { width: 320px; height: 320px; }
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
    .paths-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    section { padding: 60px 0; }
    .section-header { margin-bottom: 40px; }

    /* Navbar Mobile */
    .nav-links {
        position: fixed;
        top: 68px;
        left: 0;
        right: 0;
        background: var(--surface);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
        transform: translateY(-120%);
        transition: transform 0.3s ease;
        z-index: 999;
    }
    .nav-links.open { transform: translateY(0); }
    .nav-links li { width: 100%; }
    .nav-links a {
        display: block;
        padding: 14px 0;
        font-size: 16px;
        border-bottom: 1px solid var(--border-light);
    }
    .nav-links a::after { display: none; }
    .nav-right .nav-cta { display: none; }
    .mobile-toggle { display: flex; }
    .mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .mobile-toggle.active span:nth-child(2) { opacity: 0; }
    .mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    /* Hero */
    #hero { padding: 60px 0 80px; }
    .hero-visual { display: none; }
    .hero-ctas { flex-direction: column; }
    .hero-ctas .btn { width: 100%; }

    /* Stats */
    .stats-grid { grid-template-columns: 1fr; gap: 12px; }
    .stat-card { padding: 20px; display: flex; align-items: center; gap: 16px; text-align: left; }
    .stat-number { font-size: 36px; margin-bottom: 0; }

    /* Pain Points */
    .pain-points { grid-template-columns: 1fr; }

    /* Solution */
    .solution-grid { grid-template-columns: 1fr; }

    /* Paths */
    .paths-grid { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }
    .path-card-featured { transform: none; }
    .path-card-featured:hover { transform: translateY(-4px); }

    /* Steps */
    .steps-grid { flex-direction: column; align-items: center; }
    .step-connector { transform: rotate(90deg); padding: 0; margin: -8px 0; }

    /* Features */
    .features-grid { grid-template-columns: 1fr; }

    /* Testimonials */
    .testimonials-grid { grid-template-columns: 1fr; }

    /* Pricing */
    #pricing { padding: 60px 0; }
    .pricing-card { padding: 28px 24px; }
    .price-value { font-size: 60px; }

    /* Guarantee */
    .guarantee-card {
        flex-direction: column;
        text-align: center;
        padding: 28px;
    }

    /* Curriculum */
    .module-content p,
    .module-content ul { padding-left: 24px; }
    .module-info { gap: 14px; }

    /* Footer */
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }

    /* Mobile CTA */
    #mobile-sticky-cta { display: block; }

    /* Final CTA */
    #final-cta { padding: 60px 0; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    #hero h1 { font-size: 32px; }
    .trust-bar { flex-direction: column; gap: 12px; align-items: center; }
    .final-trust { flex-direction: column; align-items: center; }
}

/* --- Scroll Reveal Animation --- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Reduce Motion --- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; }
}