/* ============================================
   BRICKFORGE DESIGN SYSTEM
   ============================================ */

/* Design Tokens */
:root {
    /* Colors - LEGO-inspired but modern */
    --color-primary: #E3000B;           /* LEGO Red */
    --color-primary-dark: #B8000A;
    --color-primary-light: #FF1A24;
    
    --color-secondary: #FFCF00;         /* LEGO Yellow */
    --color-secondary-dark: #E6BA00;
    
    --color-accent: #006DB7;            /* LEGO Blue */
    --color-accent-light: #0084DC;
    
    --color-success: #00A84F;           /* LEGO Green */
    --color-warning: #F57C00;
    
    /* Neutrals */
    --color-bg: #FAFBFC;
    --color-surface: #FFFFFF;
    --color-surface-elevated: #FFFFFF;
    --color-border: #E5E7EB;
    --color-border-light: #F3F4F6;
    
    --color-text: #1F2937;
    --color-text-secondary: #6B7280;
    --color-text-muted: #9CA3AF;
    --color-text-inverse: #FFFFFF;
    
    /* Typography */
    --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */
    --text-6xl: 3.75rem;     /* 60px */
    
    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    
    /* Spacing */
    --space-1: 0.25rem;      /* 4px */
    --space-2: 0.5rem;       /* 8px */
    --space-3: 0.75rem;      /* 12px */
    --space-4: 1rem;         /* 16px */
    --space-5: 1.25rem;      /* 20px */
    --space-6: 1.5rem;       /* 24px */
    --space-8: 2rem;         /* 32px */
    --space-10: 2.5rem;      /* 40px */
    --space-12: 3rem;        /* 48px */
    --space-16: 4rem;        /* 64px */
    --space-20: 5rem;        /* 80px */
    --space-24: 6rem;        /* 96px */
    
    /* Border Radius */
    --radius-sm: 0.375rem;   /* 6px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    --radius-2xl: 1.5rem;    /* 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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ============================================
   RESET & BASE
   ============================================ */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: var(--leading-tight);
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

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

/* ============================================
   LAYOUT
   ============================================ */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* ============================================
   COMPONENTS - Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    box-shadow: 0 2px 0 var(--color-primary-dark);
}

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-1px);
    box-shadow: 0 3px 0 var(--color-primary-dark);
}

.btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 1px 0 var(--color-primary-dark);
}

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

.btn-secondary:hover {
    border-color: var(--color-text-muted);
    background: var(--color-bg);
}

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

.btn-ghost:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    border-radius: var(--radius-xl);
}

.btn-full {
    width: 100%;
}

/* ============================================
   HEADER
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-light);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text);
}

.logo-icon {
    font-size: var(--text-2xl);
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

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

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    padding: calc(72px + var(--space-16)) 0 var(--space-20);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(227, 0, 11, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 207, 0, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 60% 80%, rgba(0, 109, 183, 0.05) 0%, transparent 50%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--color-secondary);
    color: var(--color-text);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
}

.hero-title {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-6);
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-10);
    line-height: var(--leading-relaxed);
}

/* ============================================
   CREATOR CARD
   ============================================ */

.creator-card {
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    padding: var(--space-6);
    text-align: left;
}

.creator-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
}

.tab {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.tab:hover {
    color: var(--color-text);
}

.tab.active {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.tab-icon {
    font-size: var(--text-base);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.prompt-input {
    width: 100%;
    padding: var(--space-4);
    font-size: var(--text-base);
    font-family: inherit;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    resize: none;
    transition: border-color var(--transition-fast);
}

.prompt-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

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

.input-footer {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-top: var(--space-4);
    gap: var(--space-4);
}

.quick-prompts {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.quick-prompt {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.quick-prompt:hover {
    background: var(--color-border);
    color: var(--color-text);
}

/* Upload Zone */
.upload-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-12);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.upload-zone:hover {
    border-color: var(--color-primary);
    background: rgba(227, 0, 11, 0.02);
}

.upload-zone.dragover {
    border-color: var(--color-primary);
    background: rgba(227, 0, 11, 0.05);
}

.upload-icon {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-3);
}

.upload-text {
    font-weight: 500;
    margin-bottom: var(--space-1);
}

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

/* Creator Options */
.creator-options {
    display: flex;
    gap: var(--space-8);
    padding-top: var(--space-5);
    border-top: 1px solid var(--color-border-light);
    margin-top: var(--space-5);
}

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

.option-label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.option-buttons {
    display: flex;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--space-1);
}

.option-btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.option-btn:hover {
    color: var(--color-text);
}

.option-btn.active {
    background: var(--color-surface);
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
}

/* ============================================
   MODAL
   ============================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
}

.modal.open {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    color: var(--color-text-muted);
    background: var(--color-bg);
    border-radius: var(--radius-full);
    z-index: 10;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-border);
    color: var(--color-text);
}

/* Loading State */
.modal-loading {
    padding: var(--space-16);
    text-align: center;
}

.loader {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.loader-brick {
    width: 24px;
    height: 24px;
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    animation: bounce 0.6s ease-in-out infinite;
}

.loader-brick:nth-child(1) { animation-delay: 0s; background: var(--color-primary); }
.loader-brick:nth-child(2) { animation-delay: 0.1s; background: var(--color-secondary); }
.loader-brick:nth-child(3) { animation-delay: 0.2s; background: var(--color-accent); }

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

.loader-text {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-6);
}

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

.loader-step {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.loader-step.active {
    color: var(--color-primary);
    font-weight: 500;
}

.loader-step.done {
    color: var(--color-success);
}

/* Result State */
.modal-result {
    display: none;
    padding: var(--space-8);
}

.result-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.result-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-3);
}

.result-meta {
    display: flex;
    justify-content: center;
    gap: var(--space-6);
}

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

.result-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

/* 3D Viewer */
.viewer-container {
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.viewer {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #f8f9fa 0%, #e9ecef 100%);
}

.viewer-placeholder {
    perspective: 800px;
}

.brick-model {
    width: 150px;
    height: 150px;
    position: relative;
    transform-style: preserve-3d;
    animation: rotate 10s linear infinite;
}

@keyframes rotate {
    from { transform: rotateY(0deg) rotateX(-15deg); }
    to { transform: rotateY(360deg) rotateX(-15deg); }
}

.brick-layer {
    position: absolute;
    width: 100%;
    height: 30px;
    border-radius: var(--radius-sm);
}

.layer-1 {
    bottom: 0;
    background: #6c757d;
    transform: translateZ(0);
}

.layer-2 {
    bottom: 28px;
    background: #868e96;
    width: 90%;
    left: 5%;
    transform: translateZ(10px);
}

.layer-3 {
    bottom: 56px;
    background: #adb5bd;
    width: 80%;
    left: 10%;
    transform: translateZ(20px);
}

.layer-4 {
    bottom: 84px;
    background: #495057;
    width: 40%;
    left: 30%;
    height: 50px;
    border-radius: var(--radius-md);
    transform: translateZ(30px);
}

.viewer-controls {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3);
    border-top: 1px solid var(--color-border-light);
}

.viewer-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.viewer-btn:hover {
    background: var(--color-border);
}

/* Info Panel */
.info-panel {
    display: flex;
    flex-direction: column;
}

.panel-tabs {
    display: flex;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-4);
}

.panel-tab {
    flex: 1;
    padding: var(--space-3);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.panel-tab:hover {
    color: var(--color-text);
}

.panel-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.panel-content {
    display: none;
    flex-direction: column;
    flex: 1;
}

.panel-content.active {
    display: flex;
}

/* Steps */
.step-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    flex: 1;
}

.step {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.step:hover {
    background: var(--color-border-light);
}

.step.active {
    background: rgba(227, 0, 11, 0.1);
}

.step-number {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    font-weight: 600;
    background: var(--color-text-muted);
    color: var(--color-text-inverse);
    border-radius: var(--radius-full);
}

.step.active .step-number {
    background: var(--color-primary);
}

.step-content {
    display: flex;
    flex-direction: column;
}

.step-title {
    font-size: var(--text-sm);
    font-weight: 500;
}

.step-bricks {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* Inventory */
.inventory-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    flex: 1;
    margin-bottom: var(--space-4);
}

.inventory-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.brick-preview {
    width: 32px;
    height: 20px;
    border-radius: var(--radius-sm);
}

.brick-preview.gray { background: #adb5bd; }
.brick-preview.dark-gray { background: #6c757d; }
.brick-preview.tan { background: #d4a373; }
.brick-preview.brown { background: #8b4513; }
.brick-preview.black { background: #343a40; }

.brick-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.brick-name {
    font-size: var(--text-sm);
    font-weight: 500;
}

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

.brick-count {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
}

.inventory-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-light);
}

.price-estimate {
    display: flex;
    flex-direction: column;
}

.price-label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.price-value {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-success);
}

/* Result Actions */
.result-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border-light);
}

/* ============================================
   FEATURES SECTION
   ============================================ */

.features {
    padding: var(--space-24) 0;
    background: var(--color-surface);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.feature-card {
    padding: var(--space-8);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
}

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

.feature-icon {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

.feature-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.feature-desc {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

/* ============================================
   GALLERY SECTION
   ============================================ */

.gallery {
    padding: var(--space-24) 0;
    background: var(--color-bg);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-10);
}

.gallery-item {
    cursor: pointer;
    transition: all var(--transition-base);
}

.gallery-item:hover {
    transform: translateY(-4px);
}

.gallery-preview {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-3);
}

.gallery-emoji {
    font-size: var(--text-6xl);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.gallery-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.gallery-title {
    font-weight: 600;
}

.gallery-stats {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.gallery-cta {
    text-align: center;
}

/* ============================================
   PRICING SECTION
   ============================================ */

.pricing {
    padding: var(--space-24) 0;
    background: var(--color-surface);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    padding: var(--space-8);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    border: 2px solid transparent;
    transition: all var(--transition-base);
}

.pricing-card.featured {
    background: var(--color-surface);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: calc(var(--space-4) * -1);
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary);
    color: var(--color-text-inverse);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.pricing-name {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-1);
}

.price {
    font-size: var(--text-4xl);
    font-weight: 700;
}

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

.pricing-features {
    list-style: none;
    margin-bottom: var(--space-8);
}

.pricing-features li {
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    border-bottom: 1px solid var(--color-border-light);
}

.pricing-features li.disabled {
    color: var(--color-text-muted);
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta {
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, #ff4757 100%);
    color: var(--color-text-inverse);
}

.cta-content {
    text-align: center;
}

.cta-title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

.cta-subtitle {
    font-size: var(--text-lg);
    opacity: 0.9;
    margin-bottom: var(--space-8);
}

.cta .btn-primary {
    background: var(--color-surface);
    color: var(--color-primary);
    box-shadow: 0 2px 0 rgba(0,0,0,0.1);
}

.cta .btn-primary:hover {
    background: var(--color-bg);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    padding: var(--space-12) 0;
    background: var(--color-text);
    color: var(--color-text-inverse);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
}

.footer-links {
    display: flex;
    gap: var(--space-6);
}

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

.footer-links a:hover {
    color: var(--color-text-inverse);
}

.footer-copy {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .result-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .nav {
        display: none;
    }
    
    .input-footer {
        flex-direction: column;
        align-items: stretch;
    }
    
    .quick-prompts {
        justify-content: center;
    }
    
    .creator-options {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: var(--text-3xl);
    }
    
    .cta-title {
        font-size: var(--text-3xl);
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

/* Focus states */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000;
        --color-text-secondary: #333;
    }
}