/* ========================================
   Seedream 5.0 - Modern CSS Stylesheet
   ======================================== */

/* CSS Variables */
:root {
    /* Colors - Dark Theme with Green Accents */
    --color-primary: #00ff88;
    --color-primary-dark: #00cc6f;
    --color-primary-light: #33ffa3;
    --color-secondary: #00ffaa;
    --color-accent: #00ff88;
    --color-text: #e0e0e0;
    --color-text-light: #b0b0b0;
    --color-text-muted: #808080;
    --color-bg: #0a0a0a;
    --color-bg-light: #151515;
    --color-bg-dark: #050505;
    --color-bg-card: #1a1a1a;
    --color-border: #2a2a2a;
    --color-success: #00ff88;
    --color-warning: #ffaa00;
    --color-error: #ff4444;
    
    /* Typography */
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Font Sizes - Responsive Scale (Reduced) */
    --font-size-xs: clamp(0.625rem, 0.6rem + 0.15vw, 0.7rem); /* 10-11px */
    --font-size-sm: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem); /* 11-13px */
    --font-size-base: clamp(0.8rem, 0.75rem + 0.2vw, 0.9rem); /* 13-14px */
    --font-size-lg: clamp(0.9rem, 0.85rem + 0.3vw, 1.1rem); /* 14-18px */
    --font-size-xl: clamp(1.1rem, 1rem + 0.5vw, 1.3rem); /* 18-21px */
    --font-size-2xl: clamp(1.3rem, 1.2rem + 0.6vw, 1.6rem); /* 21-26px */
    --font-size-3xl: clamp(1.6rem, 1.4rem + 1vw, 2rem); /* 26-32px */
    --font-size-hero: clamp(1.8rem, 1.5rem + 1.5vw, 2.4rem); /* 29-38px */
    
    /* Line Heights */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Spacing System - 8px base */
    --spacing-xs: 0.5rem; /* 8px */
    --spacing-sm: 1rem; /* 16px */
    --spacing-md: 1.5rem; /* 24px */
    --spacing-lg: 2rem; /* 32px */
    --spacing-xl: 3rem; /* 48px */
    --spacing-2xl: 4rem; /* 64px */
    --spacing-3xl: 6rem; /* 96px */
    --spacing-4xl: 8rem; /* 128px */
    
    /* Border Radius - Varied */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* 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 -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Container */
    --container-max-width: 1000px;
    --container-padding: clamp(1rem, 4vw, 1.5rem);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 8px 16px;
    text-decoration: none;
    z-index: 1000;
    border-radius: var(--radius-md);
}

.skip-link:focus {
    top: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: var(--line-height-tight);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-hero);
    margin-bottom: var(--spacing-lg);
}

h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

h4 {
    font-size: var(--font-size-xl);
}

h5 {
    font-size: var(--font-size-lg);
}

h6 {
    font-size: var(--font-size-base);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

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

a:hover {
    color: var(--color-primary-light);
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

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

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

/* Header & Navigation */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 255, 136, 0.1);
    border-bottom-color: rgba(0, 255, 136, 0.2);
}

.navbar {
    padding: var(--spacing-md) 0;
}

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

.navbar-brand {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.navbar-brand a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
}

.navbar-logo {
    display: inline-block;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    filter: drop-shadow(0 0 8px rgba(0, 255, 136, 0.6));
    transition: transform var(--transition-base);
}

.navbar-brand a:hover .navbar-logo {
    transform: scale(1.1);
}

.logo-text {
    color: var(--color-primary);
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.navbar-menu li a {
    font-weight: 500;
    color: var(--color-text);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.navbar-menu li a.btn-primary {
    color: #000000;
    font-weight: 700;
    text-shadow: none;
    letter-spacing: 0.5px;
}

.navbar-menu li a:hover {
    background: rgba(0, 255, 136, 0.1);
    color: var(--color-primary);
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: 101;
}

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

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    border-radius: var(--radius-lg);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: #000000;
    box-shadow: 0 4px 20px rgba(0, 255, 136, 0.3);
    font-weight: 700;
    text-shadow: none;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 255, 136, 0.5);
    color: #000000;
    background: var(--color-primary-light);
    font-weight: 700;
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.2);
}

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

/* Hero Section */
.hero {
    padding: var(--spacing-4xl) 0 var(--spacing-3xl);
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero h1 {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.hero h1 span {
    color: var(--color-primary);
    text-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
}

.hero-description {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

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

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
    text-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
}

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

.hero-image {
    position: relative;
    animation: fadeInRight 0.8s ease-out 0.2s both;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Only apply to direct img children, not carousel images */
.hero-image > img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0, 255, 136, 0.2);
    border: 1px solid rgba(0, 255, 136, 0.2);
}

/* Hero Carousel */
.hero-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-xl);
    background: var(--color-bg-dark);
}

.carousel-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    height: 500px;
    min-height: 300px;
}

@supports (aspect-ratio: 2 / 3) {
    .carousel-container {
        aspect-ratio: 2 / 3;
        height: auto;
        min-height: 300px;
        max-height: 500px;
    }
}

@media (min-width: 768px) {
    .carousel-container {
        max-width: 350px;
        height: 525px;
    }
    
    @supports (aspect-ratio: 2 / 3) {
        .carousel-container {
            height: auto;
            max-height: 525px;
        }
    }
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.carousel-slide img {
    display: block !important;
    width: 100% !important;
    height: 100% !important;
    max-width: none !important;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0, 255, 136, 0.2);
    border: 1px solid rgba(0, 255, 136, 0.2);
}

.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 2;
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    padding: 0;
    outline: none;
}

.carousel-indicator:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.8);
}

.carousel-indicator.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.6);
}

/* Section Styles */
section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: left;
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-top: var(--spacing-sm);
}

/* Features Section */
.features {
    background: var(--color-bg-dark);
}

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

.feature-card {
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transition: transform var(--transition-base);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 255, 136, 0.2);
    border-color: var(--color-primary);
    background: var(--color-bg-light);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.feature-card h3 {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-lg);
    line-height: 1.3;
}

.feature-card p {
    color: var(--color-text-light);
    line-height: var(--line-height-normal);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* Comparison Table */
.comparison {
    background: var(--color-bg);
}

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(0, 255, 136, 0.1);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-bg-card);
    min-width: 600px;
}

.comparison-table thead {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-bg-dark);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
}

.comparison-table th {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-weight: 600;
    font-family: var(--font-heading);
}

.comparison-table th:first-child {
    border-radius: var(--radius-lg) 0 0 0;
}

.comparison-table th:last-child {
    border-radius: 0 var(--radius-lg) 0 0;
}

.comparison-table td,
.comparison-table th {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.comparison-table tbody tr {
    transition: background var(--transition-fast);
}

.comparison-table tbody tr:hover {
    background: rgba(0, 255, 136, 0.05);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table th[scope="row"] {
    font-weight: 600;
    color: var(--color-text);
    background: var(--color-bg-dark);
}

.comparison-table td {
    color: var(--color-text-light);
}

/* How It Works */
.how-it-works {
    background: var(--color-bg-dark);
}

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

.step-card {
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    position: relative;
    transition: all var(--transition-base);
}

.step-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 255, 136, 0.2);
    border-color: var(--color-primary);
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-bg-dark);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
}

.step-card h3 {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-lg);
    line-height: 1.3;
}

.step-card p {
    color: var(--color-text-light);
    line-height: var(--line-height-normal);
    font-size: var(--font-size-sm);
    margin: 0;
}

.step-card img {
    margin-top: var(--spacing-md);
    border-radius: var(--radius-lg);
    width: 100%;
    height: auto;
}

/* Use Cases */
.use-cases {
    background: var(--color-bg);
}

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

.use-case-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.2);
    transition: all var(--transition-base);
}

.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 30px rgba(0, 255, 136, 0.15);
    border-color: var(--color-primary);
}

.use-case-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.use-case-card:hover img {
    transform: scale(1.05);
}

.use-case-content {
    padding: var(--spacing-md);
}

.use-case-content h3 {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-lg);
    line-height: 1.3;
}

.use-case-content p {
    color: var(--color-text-light);
    line-height: var(--line-height-normal);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* Testimonials */
.testimonials {
    background: var(--color-bg-dark);
}

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

.testimonial-card {
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--color-primary);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.08);
}

.testimonial-card:hover {
    box-shadow: 0 6px 25px rgba(0, 255, 136, 0.15);
    transform: translateX(2px);
    border-color: var(--color-primary);
}

.testimonial-content {
    margin-bottom: var(--spacing-sm);
}

.testimonial-content p {
    font-size: var(--font-size-base);
    font-style: italic;
    color: var(--color-text);
    line-height: var(--line-height-normal);
    margin: 0;
}

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

.avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--color-primary);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.3);
    flex-shrink: 0;
}

.author-name {
    font-weight: 600;
    color: var(--color-text);
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    margin-bottom: 2px;
}

.author-location {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* Image Generator Section */
.image-generator {
    background: var(--color-bg-dark);
    padding: var(--spacing-2xl) 0;
}

.generator-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.generator-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.control-label {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.upload-section {
    width: 100%;
}

.upload-area {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    background: var(--color-bg-card);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.upload-area:hover {
    border-color: var(--color-primary);
    background: rgba(0, 255, 136, 0.05);
}

.upload-area.dragover {
    border-color: var(--color-primary);
    background: rgba(0, 255, 136, 0.1);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.2);
}

.upload-icon {
    color: var(--color-text-muted);
    margin: 0 auto var(--spacing-md);
    transition: color var(--transition-base);
}

.upload-area:hover .upload-icon {
    color: var(--color-primary);
}

.upload-text {
    font-size: var(--font-size-base);
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.upload-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.prompt-section {
    width: 100%;
}

.prompt-input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    resize: vertical;
    transition: all var(--transition-base);
}

.prompt-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.prompt-input::placeholder {
    color: var(--color-text-muted);
}

.char-counter {
    text-align: right;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

.aspect-ratio-section {
    width: 100%;
}

.aspect-ratio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: var(--spacing-sm);
}

.aspect-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-body);
}

.aspect-btn:hover {
    border-color: var(--color-primary);
    background: rgba(0, 255, 136, 0.1);
    color: var(--color-primary);
}

.aspect-btn.active {
    background: var(--color-primary);
    color: var(--color-bg-dark);
    border-color: var(--color-primary);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
    font-weight: 600;
}

.options-section {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.option-item {
    display: flex;
    align-items: center;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
}

.toggle-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: relative;
    width: 44px;
    height: 24px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 2px;
    top: 2px;
    background: var(--color-text-muted);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.toggle-input:checked + .toggle-slider {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.toggle-input:checked + .toggle-slider::before {
    transform: translateX(20px);
    background: var(--color-bg-dark);
}

.toggle-text {
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.btn-generate {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
    justify-content: center;
}

.credits-text {
    font-size: var(--font-size-sm);
    opacity: 0.9;
    margin-left: var(--spacing-xs);
}

.tips-section {
    padding: var(--spacing-md);
    background: rgba(0, 255, 136, 0.05);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-md);
}

.tips-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.tips-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tips-list li {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-md);
    position: relative;
}

.tips-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.generator-preview {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    position: sticky;
    top: 100px;
}

.preview-title {
    font-size: var(--font-size-lg);
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.preview-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.preview-gallery {
    width: 100%;
    min-height: 400px;
    background: var(--color-bg-dark);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.preview-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 400px;
    padding: var(--spacing-md);
}

.preview-placeholder img {
    width: 100%;
    height: auto;
    max-height: 600px;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.1);
}

.preview-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
}

.gallery-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.gallery-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: var(--font-size-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-btn:hover {
    background: var(--color-primary);
    color: var(--color-bg-dark);
    border-color: var(--color-primary);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.gallery-counter {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    min-width: 50px;
    text-align: center;
}

.gallery-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-align: center;
    margin: 0;
}

/* FAQ Section */
.faq {
    background: var(--color-bg);
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--spacing-sm);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.08);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    font-family: var(--font-heading);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-primary);
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

.faq-question:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}

.faq-icon {
    font-size: var(--font-size-xl);
    font-weight: 300;
    color: var(--color-primary);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
    padding: 0 var(--spacing-md);
}

.faq-answer[aria-hidden="false"] {
    max-height: 500px;
    padding: 0 var(--spacing-md) var(--spacing-sm);
}

.faq-answer p {
    color: var(--color-text-light);
    line-height: var(--line-height-normal);
    margin-bottom: 0;
    font-size: var(--font-size-sm);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-bg-dark);
    text-align: center;
    padding: var(--spacing-4xl) 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
}

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

.cta-section h2 {
    color: var(--color-bg-dark);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.cta-section p {
    color: rgba(10, 10, 10, 0.8);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

.cta-section .btn-primary {
    background: var(--color-bg-dark);
    color: var(--color-primary);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.cta-section .btn-primary:hover {
    background: var(--color-bg);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 40px rgba(0, 0, 0, 0.4);
}

/* Footer */
.footer {
    background: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-column h3,
.footer-column h4 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
}

.footer-column p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-relaxed);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-column ul li a:hover {
    color: white;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: white;
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
    font-size: var(--font-size-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    margin: 0 var(--spacing-xs);
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .hero-image {
        order: -1;
    }
    
    .generator-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .generator-preview {
        position: static;
    }
    
    .features-grid,
    .use-cases-grid,
    .testimonials-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
.navbar-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-bg-card);
    border-left: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--spacing-3xl) var(--spacing-lg);
    box-shadow: -4px 0 30px rgba(0, 255, 136, 0.2);
    transition: right var(--transition-base);
    align-items: flex-start;
    gap: var(--spacing-md);
}
    
    .navbar-menu.active {
        right: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .hero-stats {
        justify-content: space-between;
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-xl);
    }
    
    .features-grid,
    .steps-grid,
    .use-cases-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    .hero h1 {
        font-size: var(--font-size-2xl);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
    }
    
    .btn-large {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
    
    .feature-card,
    .step-card,
    .use-case-card,
    .testimonial-card {
        padding: var(--spacing-md);
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .btn,
    .mobile-menu-toggle {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
}