/* ===================================
   L'Atelier des Kanji - Landing Page
   Pastel Theme: Beige, Orange, Green
   =================================== */

/* CSS Variables */
:root {
    /* Primary Colors */
    --orange-primary: #E67E5A;
    --orange-light: #F5A882;
    --orange-dark: #D15A3A;

    /* Secondary Colors */
    --green-primary: #7DB59A;
    --green-light: #A8D5BA;
    --green-dark: #5A9B7A;

    /* Neutral Colors */
    --beige-light: #FBF8F4;
    --beige-medium: #F5EDE3;
    --beige-dark: #E8DDD0;

    /* Background Colors */
    --bg-white: #FFFFFF;
    --bg-light: #FBF8F4;
    --bg-cream: #F9F5F0;

    /* Text Colors */
    --text-primary: #3D3A36;
    --text-secondary: #6B6560;
    --text-muted: #9A938A;
    --text-inverse: #FFFFFF;

    /* Accent Colors */
    --accent-gold: #D4A84B;
    --accent-pink: #E8A8B8;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(61, 58, 54, 0.06);
    --shadow-md: 0 4px 12px rgba(61, 58, 54, 0.08);
    --shadow-lg: 0 8px 24px rgba(61, 58, 54, 0.12);
    --shadow-xl: 0 12px 48px rgba(61, 58, 54, 0.16);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Spacing scale */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 48px;
    --space-8: 64px;
    --space-9: 96px;
    --space-10: 128px;

    /* Typography */
    --font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Fluid Images - Prevent overflow */
img,
video,
svg {
    max-width: 100%;
    height: auto;
}

/* Flexible containers */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul,
ol {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-5);
}

/* Section base */
.section {
    padding: var(--space-9) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-8);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: linear-gradient(135deg, var(--orange-light) 0%, var(--orange-primary) 100%);
    color: var(--text-inverse);
    font-size: 0.85rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: var(--font-weight-extrabold);
    line-height: 1.2;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.section-title .highlight {
    color: var(--orange-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   HEADER
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-4) 0;
    background: rgba(251, 248, 244, 0.9);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(232, 221, 208, 0.5);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--orange-primary) 0%, var(--orange-dark) 100%);
    color: var(--text-inverse);
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-md);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.nav-link {
    font-size: 0.95rem;
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--orange-primary);
}

.nav-link--highlight {
    padding: var(--space-2) var(--space-4);
    background: var(--beige-dark);
    border-radius: var(--radius-full);
    color: var(--text-primary);
}

.nav-link--highlight:hover {
    background: var(--orange-primary);
    color: var(--text-inverse);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    padding-top: 140px;
    padding-bottom: 0;
    background: linear-gradient(180deg, var(--bg-white) 0%, var(--beige-light) 100%);
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: var(--space-8);
    align-items: center;
    padding-bottom: var(--space-9);
}

.hero-text {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--green-light);
    color: var(--green-dark);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-5);
}

.hero-badge svg {
    width: 16px;
    height: 16px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: var(--font-weight-extrabold);
    line-height: 1.15;
    margin-bottom: var(--space-5);
    color: var(--text-primary);
}

.hero-title .highlight {
    color: var(--orange-primary);
    position: relative;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 4px;
    width: 100%;
    height: 8px;
    background: var(--orange-light);
    opacity: 0.3;
    z-index: -1;
    border-radius: 4px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    max-width: 480px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-7);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn svg {
    transition: transform var(--transition-normal);
}

.btn-primary {
    background: linear-gradient(135deg, var(--orange-primary) 0%, var(--orange-dark) 100%);
    color: var(--text-inverse);
    box-shadow: var(--shadow-md), 0 4px 16px rgba(230, 126, 90, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 6px 24px rgba(230, 126, 90, 0.35);
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-outline {
    background: transparent;
    border-color: var(--beige-dark);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--bg-white);
    border-color: var(--orange-primary);
    color: var(--orange-primary);
}

.btn-large {
    padding: var(--space-5) var(--space-7);
    font-size: 1.1rem;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: var(--space-6);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--orange-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: var(--font-weight-medium);
}

/* Hero Visual - App Mockup */
.hero-visual {
    position: relative;
}

.app-mockup {
    display: grid;
    grid-template-columns: 140px 1fr 120px;
    gap: 2px;
    background: var(--beige-dark);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: transform var(--transition-slow);
}

.app-mockup:hover {
    transform: perspective(1000px) rotateY(-2deg) rotateX(1deg);
}

/* Mockup Sidebar */
.mockup-sidebar {
    background: var(--bg-white);
    padding: var(--space-4);
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--beige-medium);
    margin-bottom: var(--space-4);
}

.sidebar-logo {
    width: 28px;
    height: 28px;
    background: var(--orange-primary);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-sm);
}

.sidebar-header span {
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.menu-item.active {
    background: var(--green-light);
    color: var(--green-dark);
}

.menu-item.locked {
    opacity: 0.5;
}

.menu-icon {
    font-size: 0.875rem;
}

.menu-badge {
    margin-left: auto;
    font-size: 0.55rem;
    padding: 2px 6px;
    background: var(--green-dark);
    color: var(--text-inverse);
    border-radius: var(--radius-full);
}

/* Mockup Main */
.mockup-main {
    background: var(--bg-white);
    padding: var(--space-5);
}

.lesson-header {
    margin-bottom: var(--space-4);
}

.lesson-tag {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--orange-light);
    color: var(--orange-dark);
    font-size: 0.65rem;
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-2);
}

.lesson-header h3 {
    font-size: 0.9rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.kana-display {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.kana-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-3);
    background: var(--beige-light);
    border-radius: var(--radius-md);
    border: 2px solid var(--beige-medium);
}

.kana-card .kana {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.kana-card .romaji {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.lesson-progress {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.progress-bar {
    flex: 1;
    height: 6px;
    background: var(--beige-medium);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--green-primary) 0%, var(--green-light) 100%);
    border-radius: var(--radius-full);
}

.lesson-progress span {
    font-size: 0.65rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Mockup Panel */
.mockup-panel {
    background: var(--bg-white);
    padding: var(--space-4);
}

.panel-section {
    margin-bottom: var(--space-4);
}

.panel-section h4 {
    font-size: 0.65rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-muted);
    margin-bottom: var(--space-2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.xp-bar {
    height: 8px;
    background: var(--beige-medium);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-1);
}

.xp-fill {
    width: 70%;
    height: 100%;
    background: linear-gradient(90deg, var(--orange-primary) 0%, var(--accent-gold) 100%);
    border-radius: var(--radius-full);
}

.xp-text {
    font-size: 0.6rem;
    color: var(--text-muted);
}

.badges {
    display: flex;
    gap: var(--space-1);
}

.badge-item {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--beige-light);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

/* Decorative elements */
.deco {
    position: absolute;
    font-size: 2rem;
    opacity: 0.6;
    animation: float 3s ease-in-out infinite;
}

.deco-1 {
    top: 10%;
    right: -5%;
    animation-delay: 0s;
    color: var(--accent-pink);
}

.deco-2 {
    top: 60%;
    right: 5%;
    animation-delay: 1s;
    color: var(--accent-gold);
}

.deco-3 {
    bottom: 20%;
    right: -8%;
    animation-delay: 2s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* Hero Wave */
.hero-wave {
    position: relative;
    margin-top: var(--space-7);
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: 80px;
}

/* ===================================
   METHOD SECTION
   =================================== */
.section-method {
    background: var(--bg-light);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.step-card {
    position: relative;
    background: var(--bg-white);
    padding: var(--space-7) var(--space-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all var(--transition-normal);
    overflow: hidden;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--orange-primary) 0%, var(--orange-light) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.step-card:hover::before {
    opacity: 1;
}

.step-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--green-light) 0%, var(--green-primary) 100%);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

.step-icon svg {
    color: var(--text-inverse);
}

.step-number {
    display: block;
    font-size: 0.875rem;
    font-weight: var(--font-weight-bold);
    color: var(--orange-primary);
    margin-bottom: var(--space-2);
}

.step-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.step-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===================================
   CURRICULUM SECTION
   =================================== */
.section-curriculum {
    background: var(--bg-white);
}

.chapters-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.chapter-card {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: var(--space-5);
    align-items: center;
    background: var(--bg-light);
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

.chapter-card:hover {
    border-color: var(--orange-light);
    box-shadow: var(--shadow-md);
}

.chapter-card:nth-child(1) .chapter-icon {
    background: linear-gradient(135deg, var(--orange-light) 0%, var(--orange-primary) 100%);
}

.chapter-card:nth-child(2) .chapter-icon {
    background: linear-gradient(135deg, var(--green-light) 0%, var(--green-primary) 100%);
}

.chapter-card:nth-child(3) .chapter-icon {
    background: linear-gradient(135deg, var(--accent-pink) 0%, #D98CA0 100%);
}

.chapter-card:nth-child(4) .chapter-icon {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #C4943D 100%);
}

.chapter-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
}

.chapter-icon span {
    font-size: 2rem;
    font-weight: var(--font-weight-extrabold);
    color: var(--text-inverse);
}

.chapter-content {
    flex: 1;
}

.chapter-header {
    margin-bottom: var(--space-3);
}

.chapter-number {
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    color: var(--orange-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.chapter-title {
    font-size: 1.35rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.chapter-points {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-5);
}

.chapter-points li {
    position: relative;
    padding-left: var(--space-5);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.chapter-points li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--green-primary);
    font-weight: var(--font-weight-bold);
}

.chapter-badge {
    padding: var(--space-2) var(--space-4);
    background: var(--bg-white);
    border-radius: var(--radius-full);
    border: 1px solid var(--beige-dark);
}

.chapter-badge span {
    font-size: 0.85rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
}

/* ===================================
   EXPERIENCE SECTION
   =================================== */
.section-experience {
    background: var(--bg-light);
}

.experience-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-9);
    align-items: center;
}

.experience-visual {
    position: relative;
}

.progress-mockup {
    background: var(--bg-white);
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.progress-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding-bottom: var(--space-5);
    border-bottom: 1px solid var(--beige-medium);
    margin-bottom: var(--space-5);
}

.user-avatar {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--orange-light) 0%, var(--orange-primary) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 1.1rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.user-level {
    font-size: 0.875rem;
    color: var(--orange-primary);
    font-weight: var(--font-weight-semibold);
}

.progress-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.stat-icon {
    width: 40px;
    height: 40px;
    background: var(--beige-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 0.95rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.stat-bar {
    height: 6px;
    background: var(--beige-medium);
    border-radius: var(--radius-full);
    margin-top: var(--space-1);
    overflow: hidden;
}

.stat-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--orange-primary) 0%, var(--accent-gold) 100%);
    border-radius: var(--radius-full);
}

.stat-sub {
    font-size: 0.8rem;
    color: var(--orange-primary);
}

.daily-goals {
    padding: var(--space-4);
    background: var(--beige-light);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
}

.daily-goals h4 {
    font-size: 0.85rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.goal {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.goal.completed {
    color: var(--text-muted);
    text-decoration: line-through;
}

.goal-check {
    width: 20px;
    height: 20px;
    border: 2px solid var(--beige-dark);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: var(--text-inverse);
}

.goal.completed .goal-check {
    background: var(--green-primary);
    border-color: var(--green-primary);
}

.badges-collection h4 {
    font-size: 0.85rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.badges-grid {
    display: flex;
    gap: var(--space-2);
}

.badge {
    width: 40px;
    height: 40px;
    background: var(--beige-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: transform var(--transition-fast);
}

.badge.unlocked:hover {
    transform: scale(1.1);
}

.badge.locked {
    opacity: 0.4;
}

/* Experience Content */
.experience-content .section-badge {
    margin-bottom: var(--space-3);
}

.experience-content .section-title {
    text-align: left;
    margin-bottom: var(--space-3);
}

.experience-content .section-subtitle {
    text-align: left;
    margin: 0 0 var(--space-6) 0;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.features-list li {
    display: flex;
    gap: var(--space-4);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--bg-white);
    border: 2px solid var(--beige-medium);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 1rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.feature-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===================================
   TESTIMONIALS SECTION
   =================================== */
.section-testimonials {
    background: var(--bg-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.testimonial-card {
    background: var(--bg-light);
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

.testimonial-card:hover {
    border-color: var(--orange-light);
    transform: translateY(-4px);
}

.testimonial-card.featured {
    background: linear-gradient(135deg, var(--orange-light) 0%, var(--orange-primary) 100%);
    color: var(--text-inverse);
}

.testimonial-content {
    margin-bottom: var(--space-5);
}

.testimonial-content p {
    font-size: 1rem;
    line-height: 1.7;
    font-style: italic;
}

.testimonial-card.featured .testimonial-content p {
    color: var(--text-inverse);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.author-avatar {
    width: 44px;
    height: 44px;
    background: var(--green-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-inverse);
}

.testimonial-card.featured .author-avatar {
    background: rgba(255, 255, 255, 0.25);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-size: 0.95rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

.testimonial-card.featured .author-name {
    color: var(--text-inverse);
}

.author-level {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.testimonial-card.featured .author-level {
    color: rgba(255, 255, 255, 0.8);
}

/* ===================================
   CTA SECTION
   =================================== */
.section-cta {
    background: linear-gradient(135deg, var(--beige-medium) 0%, var(--beige-light) 100%);
    position: relative;
    overflow: hidden;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-deco {
    display: flex;
    justify-content: center;
    gap: var(--space-5);
    margin-bottom: var(--space-5);
    font-size: 2rem;
}

.cta-title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: var(--font-weight-extrabold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.cta-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--text-primary);
    color: var(--text-inverse);
    padding: var(--space-8) 0 var(--space-6);
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--space-8);
    padding-bottom: var(--space-7);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--space-6);
}

.footer-brand .logo {
    margin-bottom: var(--space-4);
}

.footer-brand .logo-icon {
    background: var(--orange-primary);
}

.footer-brand .logo-text {
    color: var(--text-inverse);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    max-width: 280px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-inverse);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col a {
    display: block;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    padding: var(--space-2) 0;
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--orange-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .chapter-card {
        grid-template-columns: 60px 1fr;
    }

    .chapter-badge {
        grid-column: 1 / -1;
        justify-self: start;
        margin-top: var(--space-3);
    }

    .chapter-icon {
        width: 60px;
        height: 60px;
    }

    .chapter-icon span {
        font-size: 1.5rem;
    }

    .experience-grid {
        grid-template-columns: 1fr;
        gap: var(--space-7);
    }

    .experience-content {
        order: -1;
        text-align: center;
    }

    .experience-content .section-title,
    .experience-content .section-subtitle {
        text-align: center;
    }

    .features-list li {
        text-align: left;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .footer-top {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        margin-left: auto;
        margin-right: auto;
    }

    .footer-brand .logo {
        justify-content: center;
    }

    .footer-links {
        justify-items: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding-top: 120px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: var(--space-4);
    }

    .section {
        padding: var(--space-8) 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .chapter-points {
        flex-direction: column;
        gap: var(--space-2);
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-4);
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .step-card {
        padding: var(--space-5);
    }

    .chapter-card {
        padding: var(--space-4);
    }

    .progress-mockup {
        padding: var(--space-4);
    }
}

/* ===================================
   MOBILE MENU OVERLAY
   =================================== */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(251, 248, 244, 0.98);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-menu.is-open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-5);
}

.mobile-menu-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: var(--space-3) var(--space-6);
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    width: 100%;
    min-width: 260px;
    text-align: center;
}

.mobile-menu-link:hover,
.mobile-menu-link:focus {
    background: var(--beige-medium);
    color: var(--orange-primary);
}

.mobile-menu-link--highlight {
    background: linear-gradient(135deg, var(--orange-primary) 0%, var(--orange-dark) 100%);
    color: var(--text-inverse);
    margin-top: var(--space-4);
}

.mobile-menu-link--highlight:hover,
.mobile-menu-link--highlight:focus {
    background: linear-gradient(135deg, var(--orange-dark) 0%, var(--orange-primary) 100%);
    color: var(--text-inverse);
    transform: scale(1.02);
}

/* Burger icon animation */
.mobile-menu-btn.is-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.is-active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.is-active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Body scroll lock when menu is open */
body.menu-open {
    overflow: hidden;
}

/* ===================================
   ENHANCED MOBILE RESPONSIVE (≤768px)
   =================================== */
@media (max-width: 768px) {

    /* Mobile menu button always visible */
    .nav {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
        width: 48px;
        height: 48px;
        align-items: center;
        justify-content: center;
    }

    .mobile-menu-btn span {
        width: 22px;
        height: 2.5px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: all var(--transition-fast);
        position: absolute;
    }

    .mobile-menu-btn span:nth-child(1) {
        transform: translateY(-7px);
    }

    .mobile-menu-btn span:nth-child(3) {
        transform: translateY(7px);
    }

    /* Hero - CTA visible without scroll */
    .hero {
        padding-top: 100px;
        padding-bottom: 0;
    }

    .hero-content {
        padding-bottom: var(--space-6);
    }

    .hero-badge {
        font-size: 0.8rem;
        padding: var(--space-2) var(--space-3);
    }

    .hero-title {
        font-size: 1.85rem;
        margin-bottom: var(--space-4);
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: var(--space-5);
        line-height: 1.6;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--space-3);
        margin-bottom: var(--space-5);
    }

    /* Touch-friendly buttons */
    .btn {
        width: 100%;
        max-width: 320px;
        min-height: 48px;
        padding: var(--space-4) var(--space-5);
        font-size: 1rem;
    }

    .btn-primary {
        order: -1;
    }

    .btn-outline {
        background: transparent;
        border-width: 2px;
        font-size: 0.95rem;
    }

    .hero-stats {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-5);
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.8rem;
    }

    /* Sections - proper spacing and separation */
    .section {
        padding: var(--space-7) 0;
    }

    .section-header {
        margin-bottom: var(--space-6);
        padding: 0 var(--space-2);
    }

    .section-title {
        font-size: 1.65rem;
        line-height: 1.25;
    }

    .section-subtitle {
        font-size: 1rem;
        line-height: 1.6;
    }

    /* Steps grid - vertical stack with spacing */
    .steps-grid {
        grid-template-columns: 1fr;
        gap: var(--space-5);
        max-width: 100%;
        margin: 0;
    }

    .step-card {
        padding: var(--space-6) var(--space-5);
        margin-bottom: var(--space-2);
    }

    .step-icon {
        width: 56px;
        height: 56px;
    }

    .step-icon svg {
        width: 28px;
        height: 28px;
    }

    .step-title {
        font-size: 1.15rem;
    }

    .step-text {
        font-size: 0.9rem;
        line-height: 1.65;
    }

    /* Chapter cards - better mobile layout */
    .chapter-card {
        grid-template-columns: 56px 1fr;
        gap: var(--space-4);
        padding: var(--space-5);
    }

    .chapter-icon {
        width: 56px;
        height: 56px;
    }

    .chapter-icon span {
        font-size: 1.35rem;
    }

    .chapter-title {
        font-size: 1.1rem;
    }

    .chapter-number {
        font-size: 0.7rem;
    }

    .chapter-points {
        flex-direction: column;
        gap: var(--space-2);
    }

    .chapter-points li {
        font-size: 0.875rem;
    }

    .chapter-badge {
        margin-top: var(--space-3);
    }

    /* Experience section */
    .experience-grid {
        gap: var(--space-6);
    }

    .progress-mockup {
        padding: var(--space-5);
    }

    .features-list {
        gap: var(--space-4);
    }

    .feature-icon {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }

    .feature-content h4 {
        font-size: 0.95rem;
    }

    .feature-content p {
        font-size: 0.85rem;
    }

    /* Testimonials - stacked */
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--space-5);
        max-width: 100%;
        margin: 0;
    }

    .testimonial-card {
        padding: var(--space-5);
    }

    .testimonial-content p {
        font-size: 0.95rem;
        line-height: 1.65;
    }

    /* CTA section */
    .section-cta {
        padding: var(--space-7) 0;
    }

    .cta-deco {
        font-size: 1.5rem;
        gap: var(--space-4);
        margin-bottom: var(--space-4);
    }

    .cta-title {
        font-size: 1.5rem;
        line-height: 1.3;
    }

    .cta-subtitle {
        font-size: 0.95rem;
        margin-bottom: var(--space-5);
    }

    .btn-large {
        padding: var(--space-4) var(--space-5);
        font-size: 1rem;
        min-height: 52px;
    }

    /* Footer */
    .footer {
        padding: var(--space-7) 0 var(--space-5);
    }

    .footer-top {
        gap: var(--space-6);
        padding-bottom: var(--space-5);
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }

    .footer-col {
        text-align: center;
    }

    .footer-col a {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Hero wave adjustment */
    .hero-wave svg {
        height: 50px;
    }
}

/* ===================================
   TABLET RESPONSIVE (769px - 1024px)
   =================================== */
@media (min-width: 769px) and (max-width: 1024px) {

    /* Keep nav visible on tablet, hide mobile menu btn */
    .mobile-menu-btn {
        display: none;
    }

    .nav {
        display: flex;
    }

    /* Adjusted hero for tablet */
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-6);
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    /* Steps grid 2 columns on tablet */
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-5);
    }

    .steps-grid .step-card:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        margin: 0 auto;
    }

    /* Testimonials 2 columns */
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid .testimonial-card:last-child {
        grid-column: 1 / -1;
        max-width: 500px;
        margin: 0 auto;
    }

    /* Experience grid side by side */
    .experience-grid {
        gap: var(--space-6);
    }
}