/* ===================================
   Mstkhby - Main Stylesheet
   =================================== */

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary-50: #f0f9ff;
    --primary-100: #e0f2fe;
    --primary-200: #bae6fd;
    --primary-300: #7dd3fc;
    --primary-400: #38bdf8;
    --primary-500: #0ea5e9;
    --primary-600: #0284c7;
    --primary-700: #0369a1;
    --primary-800: #075985;
    --primary-900: #0c4a6e;

    /* Accent Colors */
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;
    --accent-orange: #f97316;
    --accent-green: #10b981;
    --accent-red: #ef4444;

    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Background & Surface */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --surface: #ffffff;
    --surface-hover: #f8fafc;

    /* Text Colors */
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-tertiary: #9ca3af;
    --text-inverse: #ffffff;

    /* Border */
    --border-light: #e5e7eb;
    --border-medium: #d1d5db;
    --border-focus: #0ea5e9;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.3);

    /* Typography */
    --font-primary: 'Cairo', 'Tajawal', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* 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: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-toast: 600;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --surface: #1e293b;
    --surface-hover: #334155;
    
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    
    --border-light: #334155;
    --border-medium: #475569;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5);
}

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

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    direction: rtl;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

img, video {
    max-width: 100%;
    height: auto;
    display: block;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

ul, ol {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.loader-icon {
    font-size: 4rem;
    animation: pulse 1.5s ease-in-out infinite;
}

.loader-text {
    margin-top: var(--spacing-md);
    color: var(--text-secondary);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

[data-theme="dark"] .navbar {
    background: rgba(15, 23, 42, 0.95);
}

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

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text {
    background: linear-gradient(135deg, var(--primary-500), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-500), var(--accent-purple));
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-600);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-light);
    background: var(--surface);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--surface-hover);
    border-color: var(--border-medium);
}

[data-theme="dark"] .sun-icon { display: inline; }
[data-theme="dark"] .moon-icon { display: none; }
:not([data-theme="dark"]) .sun-icon { display: none; }
:not([data-theme="dark"]) .moon-icon { display: inline; }

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    font-size: var(--font-size-sm);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    border-color: transparent;
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--text-primary);
    border-color: var(--border-light);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-200);
}

.btn-outline {
    background: transparent;
    color: var(--primary-600);
    border-color: var(--primary-500);
}

.btn-outline:hover:not(:disabled) {
    background: var(--primary-50);
}

[data-theme="dark"] .btn-outline:hover:not(:disabled) {
    background: rgba(14, 165, 233, 0.1);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.btn-white {
    background: white;
    color: var(--primary-600);
    border-color: white;
}

.btn-white:hover:not(:disabled) {
    background: var(--gray-50);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-social {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
}

.btn-social:hover {
    background: var(--surface-hover);
    border-color: var(--border-medium);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    padding-top: 100px;
    padding-bottom: var(--spacing-3xl);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, var(--primary-300), var(--accent-purple));
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-orange));
    bottom: -100px;
    left: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--accent-green), var(--primary-400));
    top: 50%;
    left: 50%;
    animation-delay: -14s;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-text {
    max-width: 600px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--primary-600);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, var(--font-size-6xl));
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-500), var(--accent-purple), var(--accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.play-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--accent-red);
    border-radius: 50%;
    font-size: 0.7rem;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    width: fit-content;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--primary-600);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-light);
}

/* Phone Mockup */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: linear-gradient(145deg, #1a1a2e, #16213e);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 
        0 50px 100px -20px rgba(0, 0, 0, 0.5),
        0 30px 60px -30px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    animation: floatPhone 6s ease-in-out infinite;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    border-radius: 32px;
    overflow: hidden;
    padding: var(--spacing-md);
}

.phone-notch {
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 28px;
    background: #000;
    border-radius: 20px;
    z-index: 10;
}

.app-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    margin-top: 24px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.user-avatar {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary-400), var(--accent-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.user-info h3 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.user-info span {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.message-preview {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.message-card {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    animation: slideInUp 0.5s ease forwards;
    opacity: 0;
}

.message-card:nth-child(1) { animation-delay: 0.2s; }
.message-card:nth-child(2) { animation-delay: 0.4s; }

.secret-message {
    border-right: 3px solid var(--accent-purple);
}

.message-sender {
    margin-bottom: var(--spacing-sm);
}

.anonymous-badge,
.alias-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
}

.anonymous-badge {
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent-purple);
}

.alias-badge {
    background: rgba(249, 115, 22, 0.1);
    color: var(--accent-orange);
}

.message-text {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

.message-time {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.new-message-hint {
    text-align: center;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    color: var(--primary-600);
    font-weight: 600;
    animation: pulse 2s ease-in-out infinite;
}

/* Floating Elements */
.floating-elements {
    position: absolute;
    inset: -40px;
    pointer-events: none;
}

.float-card {
    position: absolute;
    background: var(--surface);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    animation: floatCard 4s ease-in-out infinite;
}

.float-card span {
    font-size: 1.25rem;
}

.float-1 {
    top: 10%;
    left: -20px;
    animation-delay: 0s;
}

.float-2 {
    top: 40%;
    right: -30px;
    animation-delay: -1.5s;
}

.float-3 {
    bottom: 20%;
    left: -10px;
    animation-delay: -3s;
}

/* Section Styles */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(14, 165, 233, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--primary-600);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, var(--font-size-4xl));
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Features Grid */
.features {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

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

/* How It Works */
.how-it-works {
    padding: var(--spacing-3xl) 0;
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-3xl);
}

.step-card {
    background: var(--surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    text-align: center;
    max-width: 250px;
    position: relative;
}

.step-number {
    position: absolute;
    top: -12px;
    right: 50%;
    transform: translateX(50%);
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary-500), var(--accent-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: white;
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.step-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.step-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.step-connector {
    color: var(--primary-400);
}

.demo-link-section {
    display: flex;
    justify-content: center;
}

.demo-link-card {
    background: linear-gradient(135deg, var(--primary-600), var(--accent-purple));
    padding: var(--spacing-xl) var(--spacing-3xl);
    border-radius: var(--radius-xl);
    text-align: center;
}

.demo-url {
    font-family: monospace;
    font-size: var(--font-size-2xl);
    color: white;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.demo-url strong {
    color: var(--primary-200);
}

.demo-link-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

/* Privacy Levels */
.privacy-levels {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.levels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

.level-card {
    background: var(--surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 2px solid var(--border-light);
    text-align: center;
    position: relative;
    transition: all var(--transition-base);
}

.level-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.level-card.popular {
    border-color: var(--primary-500);
    transform: scale(1.02);
}

.level-card.popular:hover {
    transform: scale(1.02) translateY(-8px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-500), var(--accent-purple));
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    white-space: nowrap;
}

.level-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.level-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.level-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.level-card > p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.level-features {
    text-align: right;
}

.level-features li {
    padding: var(--spacing-xs) 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Pricing */
.pricing {
    padding: var(--spacing-3xl) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    justify-items: center;
}

.pricing-card {
    background: var(--surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 2px solid var(--border-light);
    width: 100%;
    max-width: 380px;
    position: relative;
    transition: all var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border-color: var(--primary-500);
    transform: scale(1.03);
}

.pricing-card.featured:hover {
    transform: scale(1.03) translateY(-8px);
}

.popular-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-500), var(--accent-purple));
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.plan-header {
    text-align: center;
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    margin-bottom: var(--spacing-lg);
}

.plan-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.plan-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--spacing-xs);
}

.price {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    color: var(--primary-600);
}

.currency {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.plan-features {
    margin-bottom: var(--spacing-lg);
}

.plan-features li {
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.plan-features li:not([class*="❌"]) {
    color: var(--text-primary);
}

/* CTA Section */
.cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary-600), var(--accent-purple));
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, var(--font-size-4xl));
    font-weight: 800;
    color: white;
    margin-bottom: var(--spacing-md);
}

.cta-content > p {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.cta-actions {
    margin-bottom: var(--spacing-md);
}

.cta-note {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-600);
    transform: translateY(-2px);
}

.social-links a svg {
    width: 18px;
    height: 18px;
}

.video-modal {
    max-width: 900px;
    width: 92%;
    background: #000;
    padding: 0;
    overflow: hidden;
    line-height: 0;
}

.video-modal .modal-close {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    background: rgba(15, 23, 42, 0.7);
    color: #fff;
}

.video-modal video {
    width: 100%;
    max-height: 80vh;
    display: block;
}

.footer-links h4 {
    color: white;
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-800);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

.footer-bottom p + p {
    margin-top: var(--spacing-xs);
}