/* ============================================
   ChangeHero - Web Development Course
   Premium Modern Design
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Colors */
    --primary: #7c3aed;
    --primary-dark: #6d28d9;
    --primary-light: #a78bfa;
    --secondary: #06b6d4;
    --accent: #f59e0b;
    --success: #10b981;
    --error: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
    --gradient-dark: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
    --gradient-card: linear-gradient(180deg, rgba(124, 58, 237, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    
    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-white: #ffffff;
    
    /* Backgrounds */
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    
    /* Borders */
    --border-light: #e2e8f0;
    --border-dark: #334155;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.3);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Font Family */
    --font-main: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-code: 'Fira Code', 'Consolas', monospace;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.highlight-light {
    color: var(--secondary);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Section Styling */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header.light h2,
.section-header.light p {
    color: var(--text-white);
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-top: 16px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(124, 58, 237, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 16px;
}

.section-label.light {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
    box-shadow: var(--shadow-md), 0 4px 20px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), 0 8px 30px rgba(124, 58, 237, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--text-white);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.25rem;
}

.logo-accent {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 18px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(124, 58, 237, 0.08);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--gradient-primary);
    color: var(--text-white);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
    transition: var(--transition-base);
}

.btn-header:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    padding: 4px;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.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 SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 100%);
    overflow: hidden;
}

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: rgba(124, 58, 237, 0.2);
    top: -200px;
    right: -100px;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: rgba(6, 182, 212, 0.2);
    bottom: -100px;
    left: -100px;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: rgba(245, 158, 11, 0.15);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(6, 182, 212, 0.1));
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 24px;
}

.hero-label i {
    color: var(--accent);
}

.hero h1 {
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero-content > p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 20px;
}

.trust-avatars {
    display: flex;
    align-items: center;
}

.avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    color: white;
    border: 3px solid white;
    margin-left: -12px;
    box-shadow: var(--shadow-md);
}

.avatar:first-child {
    margin-left: 0;
}

.avatar-more {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-dark);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: -12px;
    border: 3px solid white;
}

.trust-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.trust-stars {
    display: flex;
    gap: 2px;
    color: var(--accent);
}

.trust-text span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Code Editor Visual */
.hero-visual {
    position: relative;
}

.code-editor {
    background: var(--bg-dark);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.editor-dots {
    display: flex;
    gap: 8px;
}

.editor-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.editor-dots .dot:nth-child(1) { background: #ef4444; }
.editor-dots .dot:nth-child(2) { background: #f59e0b; }
.editor-dots .dot:nth-child(3) { background: #10b981; }

.editor-tabs {
    display: flex;
    gap: 4px;
}

.editor-tabs .tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: transparent;
    border-radius: var(--radius-md);
    font-family: var(--font-code);
}

.editor-tabs .tab.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
}

.editor-tabs .tab i {
    font-size: 1rem;
}

.editor-tabs .tab:nth-child(1) i { color: #f7df1e; }
.editor-tabs .tab:nth-child(2) i { color: #264de4; }

.editor-body {
    display: flex;
    padding: 24px;
}

.line-numbers {
    display: flex;
    flex-direction: column;
    padding-right: 20px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    margin-right: 20px;
}

.line-numbers span {
    font-family: var(--font-code);
    font-size: 0.875rem;
    line-height: 1.8;
    color: var(--text-muted);
    text-align: right;
}

.code-block {
    font-family: var(--font-code);
    font-size: 0.9rem;
    line-height: 1.8;
    color: #e2e8f0;
    overflow-x: auto;
}

.code-block .keyword { color: #c084fc; }
.code-block .class-name { color: #67e8f9; }
.code-block .function { color: #fcd34d; }
.code-block .param { color: #fdba74; }

/* Floating Badges */
.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    font-weight: 600;
    font-size: 0.9rem;
    animation: float 3s ease-in-out infinite;
}

.floating-badge i {
    font-size: 1.5rem;
}

.badge-1 {
    top: 20px;
    left: -30px;
    animation-delay: 0s;
}

.badge-1 i { color: #e34f26; }

.badge-2 {
    bottom: 100px;
    right: -40px;
    animation-delay: 1s;
}

.badge-2 i { color: #61dafb; }

.badge-3 {
    bottom: -20px;
    left: 60px;
    animation-delay: 2s;
}

.badge-3 i { color: #339933; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: 120px 0;
    background: var(--bg-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.image-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    max-width: 280px;
}

.image-card.card-bottom {
    align-self: flex-end;
}

.card-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(124, 58, 237, 0.05));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    flex-shrink: 0;
}

.card-icon.green {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(16, 185, 129, 0.05));
    color: var(--success);
}

.card-content h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.card-content p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.image-main {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.stats-circle {
    width: 200px;
    height: 200px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
}

.circle-content {
    text-align: center;
    color: var(--text-white);
}

.circle-number {
    display: block;
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
}

.circle-label {
    font-size: 1.25rem;
    opacity: 0.9;
}

.about-content .section-label {
    margin-bottom: 16px;
}

.about-content h2 {
    margin-bottom: 20px;
}

.about-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.about-feature {
    display: flex;
    gap: 16px;
}

.feature-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(6, 182, 212, 0.1));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--primary);
    flex-shrink: 0;
}

.feature-text h4 {
    margin-bottom: 4px;
}

.feature-text p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* ============================================
   TECH STACK SECTION
   ============================================ */
.tech-stack {
    padding: 60px 0;
    background: var(--bg-light);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.tech-header {
    text-align: center;
    margin-bottom: 40px;
}

.tech-header h3 {
    color: var(--text-secondary);
    font-weight: 500;
}

.tech-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 24px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 24px 32px;
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.tech-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.tech-item i {
    font-size: 2.5rem;
}

.tech-item:nth-child(1) i { color: #e34f26; }
.tech-item:nth-child(2) i { color: #264de4; }
.tech-item:nth-child(3) i { color: #f7df1e; }
.tech-item:nth-child(4) i { color: #61dafb; }
.tech-item:nth-child(5) i { color: #339933; }
.tech-item:nth-child(6) i { color: #f05032; }
.tech-item:nth-child(7) i { color: #47a248; }
.tech-item:nth-child(8) i { color: #f24e1e; }

.tech-item span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ============================================
   MODULES SECTION
   ============================================ */
.modules {
    padding: 120px 0;
    background: var(--bg-white);
}

.modules-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.module-card {
    position: relative;
    display: flex;
    gap: 40px;
    padding: 32px;
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-2xl);
    margin-bottom: 24px;
    margin-left: 80px;
    transition: var(--transition-base);
}

.module-card::before {
    content: attr(data-week);
    position: absolute;
    left: -80px;
    top: 32px;
    width: 80px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    text-align: right;
    padding-right: 20px;
}

.module-card::after {
    content: '';
    position: absolute;
    left: -48px;
    top: 40px;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border: 4px solid var(--bg-white);
    border-radius: 50%;
    box-shadow: var(--shadow-md);
}

.module-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.module-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-light);
    opacity: 0.3;
    line-height: 1;
}

.module-content {
    flex: 1;
}

.module-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text-white);
    margin-bottom: 16px;
}

.module-content h3 {
    margin-bottom: 12px;
}

.module-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.module-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.module-tags span {
    padding: 6px 12px;
    background: rgba(124, 58, 237, 0.08);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

/* ============================================
   BENEFITS SECTION
   ============================================ */
.benefits {
    padding: 120px 0;
    background: var(--gradient-dark);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.benefit-card {
    padding: 40px 32px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    text-align: center;
    transition: var(--transition-base);
}

.benefit-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.2);
}

.benefit-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--text-white);
    margin: 0 auto 24px;
}

.benefit-card h3 {
    color: var(--text-white);
    margin-bottom: 12px;
}

.benefit-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

/* ============================================
   REVIEWS SECTION
   ============================================ */
.reviews {
    padding: 120px 0;
    background: var(--bg-light);
}

.reviews-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.review-card {
    padding: 32px;
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-2xl);
    transition: var(--transition-base);
}

.review-card:hover {
    box-shadow: var(--shadow-lg);
}

.review-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg), 0 0 0 1px var(--primary);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.review-avatar {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-white);
}

.review-info h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.review-info span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.review-stars {
    display: flex;
    gap: 4px;
    color: var(--accent);
    margin-bottom: 16px;
}

.review-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.review-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--success);
    font-weight: 600;
}

/* ============================================
   INVESTMENT/PRICING SECTION
   ============================================ */
.invest {
    padding: 120px 0;
    background: var(--bg-white);
}

.pricing-wrapper {
    max-width: 520px;
    margin: 0 auto;
}

.pricing-box {
    position: relative;
    padding: 48px;
    background: var(--bg-white);
    border: 2px solid var(--primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.pricing-ribbon {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 24px;
    background: var(--gradient-primary);
    color: var(--text-white);
    font-size: 0.875rem;
    font-weight: 700;
    border-radius: var(--radius-full);
}

.pricing-header {
    text-align: center;
    margin-bottom: 32px;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.pricing-header p {
    color: var(--text-secondary);
}

.pricing-amount {
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border-light);
}

.price-old {
    font-size: 1.25rem;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-bottom: 8px;
}

.price-current {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
    margin-bottom: 8px;
}

.price-current .currency {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-top: 8px;
}

.price-current .amount {
    font-size: 5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.price-label {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.pricing-features {
    margin-bottom: 32px;
}

.feature-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-light);
}

.feature-row:last-child {
    border-bottom: none;
}

.feature-row i {
    width: 24px;
    height: 24px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

.feature-row span {
    color: var(--text-secondary);
}

.pricing-trust {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 24px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.trust-item i {
    color: var(--primary);
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq {
    padding: 120px 0;
    background: var(--bg-light);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
}

.faq-item:hover {
    border-color: var(--primary-light);
}

.faq-item.active {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    transition: var(--transition-base);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question i {
    width: 28px;
    height: 28px;
    background: rgba(124, 58, 237, 0.1);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    transition: var(--transition-base);
    flex-shrink: 0;
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
    background: var(--primary);
    color: var(--text-white);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 24px 24px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: 120px 0;
    background: var(--bg-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
}

.contact-info .section-label {
    margin-bottom: 16px;
}

.contact-info h2 {
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 20px;
}

.method-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(6, 182, 212, 0.1));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--primary);
    flex-shrink: 0;
}

.method-text h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.method-text a,
.method-text span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.method-text a:hover {
    color: var(--primary);
}

.contact-form-wrapper {
    padding: 40px;
    background: var(--bg-light);
    border-radius: var(--radius-2xl);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.form-group label i {
    color: var(--primary);
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23475569' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
}

.footer-top {
    padding: 80px 0 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 80px;
}

.footer-brand .logo {
    color: var(--text-white);
    margin-bottom: 20px;
}

.footer-brand .logo-icon {
    background: rgba(255, 255, 255, 0.1);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-4px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col h4 {
    color: var(--text-white);
    font-size: 1rem;
    margin-bottom: 24px;
}

.footer-col ul li {
    margin-bottom: 14px;
}

.footer-col a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: var(--transition-base);
}

.footer-col a:hover {
    color: var(--primary-light);
}

.footer-col a i {
    font-size: 0.75rem;
}

.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
    .hero-container {
        gap: 60px;
    }
    
    .about-grid {
        gap: 60px;
    }
}

@media (max-width: 1024px) {
    .main-nav {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-white);
        padding: 24px;
        z-index: 999;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 4px;
    }
    
    .nav-link {
        display: block;
        padding: 16px;
        text-align: center;
        font-size: 1.1rem;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .btn-header span {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content > p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-trust {
        justify-content: center;
    }
    
    .hero-visual {
        max-width: 600px;
        margin: 0 auto;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: 2;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .about-content {
        order: 1;
        text-align: center;
    }
    
    .about-features {
        text-align: left;
    }
    
    .about-content .btn {
        margin: 0 auto;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .reviews-slider {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .floating-badge {
        display: none;
    }
    
    .tech-grid {
        gap: 16px;
    }
    
    .tech-item {
        padding: 16px 20px;
    }
    
    .tech-item i {
        font-size: 2rem;
    }
    
    .module-card {
        margin-left: 0;
        flex-direction: column;
        gap: 20px;
    }
    
    .module-card::before,
    .module-card::after {
        display: none;
    }
    
    .timeline-line {
        display: none;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-box {
        padding: 32px 24px;
    }
    
    .price-current .amount {
        font-size: 4rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-trust {
        flex-direction: column;
        gap: 16px;
    }
    
    .editor-tabs .tab:not(.active) {
        display: none;
    }
    
    .stats-circle {
        width: 160px;
        height: 160px;
    }
    
    .circle-number {
        font-size: 3rem;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
    
    .pricing-trust {
        flex-direction: column;
        gap: 16px;
    }
}
