/* ==========================================================================
   AIWriter - AI Content Generation Platform
   Premium Template CSS
   ========================================================================== */

/* ==========================================================================
   1. DESIGN TOKENS
   ========================================================================== */

:root {
    /* Primary Colors - Deep Purple */
    --color-primary-50: #f5f3ff;
    --color-primary-100: #ede9fe;
    --color-primary-200: #ddd6fe;
    --color-primary-300: #c4b5fd;
    --color-primary-400: #a78bfa;
    --color-primary-500: #8b5cf6;
    --color-primary-600: #7c3aed;
    --color-primary-700: #6d28d9;
    --color-primary-800: #5b21b6;
    --color-primary-900: #4c1d95;
    --color-primary-950: #2e1065;

    /* Accent Colors - Electric Yellow */
    --color-accent-50: #fefce8;
    --color-accent-100: #fef9c3;
    --color-accent-200: #fef08a;
    --color-accent-300: #fde047;
    --color-accent-400: #facc15;
    --color-accent-500: #eab308;
    --color-accent-600: #ca8a04;
    --color-accent-700: #a16207;
    --color-accent-800: #854d0e;
    --color-accent-900: #713f12;

    /* Neutral Colors - Slate */
    --color-neutral-50: #f8fafc;
    --color-neutral-100: #f1f5f9;
    --color-neutral-200: #e2e8f0;
    --color-neutral-300: #cbd5e1;
    --color-neutral-400: #94a3b8;
    --color-neutral-500: #64748b;
    --color-neutral-600: #475569;
    --color-neutral-700: #334155;
    --color-neutral-800: #1e293b;
    --color-neutral-900: #0f172a;
    --color-neutral-950: #020617;

    /* Semantic Colors */
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    /* Typography Scale */
    --text-hero: clamp(3rem, 8vw, 5rem);
    --text-display: clamp(2.5rem, 5vw, 4rem);
    --text-h1: clamp(2rem, 4vw, 3rem);
    --text-h2: clamp(1.5rem, 3vw, 2.25rem);
    --text-h3: clamp(1.25rem, 2vw, 1.5rem);
    --text-h4: 1.125rem;
    --text-body: 1rem;
    --text-small: 0.875rem;
    --text-xs: 0.75rem;

    /* Spacing Scale (8px base) */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;

    /* 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 rgb(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-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-glow-purple: 0 0 40px rgba(124, 58, 237, 0.3);
    --shadow-glow-yellow: 0 0 40px rgba(250, 204, 21, 0.3);
    --shadow-glow-purple-lg: 0 0 80px rgba(124, 58, 237, 0.4);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.16, 1, 0.3, 1);

    /* Z-index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;

    /* Light Mode Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: var(--color-neutral-50);
    --bg-tertiary: var(--color-neutral-100);

    /* Light Mode Text */
    --text-primary: var(--color-neutral-900);
    --text-secondary: var(--color-neutral-600);
    --text-tertiary: var(--color-neutral-500);

    /* Light Mode Borders */
    --border-primary: var(--color-neutral-200);
    --border-secondary: var(--color-neutral-100);
}

/* Dark Mode Variables */
.dark {
    --bg-primary: var(--color-neutral-950);
    --bg-secondary: var(--color-neutral-900);
    --bg-tertiary: var(--color-neutral-800);

    --text-primary: #ffffff;
    --text-secondary: var(--color-neutral-300);
    --text-tertiary: var(--color-neutral-400);

    --border-primary: var(--color-neutral-800);
    --border-secondary: var(--color-neutral-700);

    --shadow-glow-purple: 0 0 60px rgba(124, 58, 237, 0.4);
    --shadow-glow-yellow: 0 0 60px rgba(250, 204, 21, 0.4);
}

/* ==========================================================================
   2. BASE STYLES
   ========================================================================== */

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

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: var(--text-body);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', system-ui, sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

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

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

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background-color: var(--color-primary-500);
    color: white;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-neutral-400);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-neutral-500);
}

.dark ::-webkit-scrollbar-thumb {
    background: var(--color-neutral-600);
}

.dark ::-webkit-scrollbar-thumb:hover {
    background: var(--color-neutral-500);
}

/* ==========================================================================
   3. UTILITY CLASSES
   ========================================================================== */

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (min-width: 640px) {
    .container {
        padding: 0 var(--space-8);
    }
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary-600);
    color: white;
    border-radius: var(--radius-md);
    z-index: var(--z-tooltip);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-4);
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Text Gradient */
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary-400) 0%, var(--color-accent-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-purple {
    background: linear-gradient(135deg, var(--color-primary-400) 0%, var(--color-primary-600) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Background Patterns */
.bg-grid {
    background-image:
        linear-gradient(rgba(124, 58, 237, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124, 58, 237, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

.dark .bg-grid {
    background-image:
        linear-gradient(rgba(124, 58, 237, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124, 58, 237, 0.08) 1px, transparent 1px);
}

/* Mesh Gradient */
.bg-mesh {
    background:
        radial-gradient(at 40% 20%, rgba(124, 58, 237, 0.15) 0px, transparent 50%),
        radial-gradient(at 80% 0%, rgba(250, 204, 21, 0.1) 0px, transparent 50%),
        radial-gradient(at 0% 50%, rgba(139, 92, 246, 0.1) 0px, transparent 50%);
}

.dark .bg-mesh {
    background:
        radial-gradient(at 40% 20%, rgba(124, 58, 237, 0.25) 0px, transparent 50%),
        radial-gradient(at 80% 0%, rgba(250, 204, 21, 0.15) 0px, transparent 50%),
        radial-gradient(at 0% 50%, rgba(139, 92, 246, 0.15) 0px, transparent 50%);
}

/* ==========================================================================
   4. COMPONENT STYLES
   ========================================================================== */

/* --------------------------------------------------------------------------
   4.1 Navigation
   -------------------------------------------------------------------------- */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-secondary);
    transition: background-color var(--transition-base), border-color var(--transition-base);
}

.dark .nav {
    background: rgba(2, 6, 23, 0.8);
    border-bottom-color: var(--border-primary);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-700) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-links {
    display: none;
    align-items: center;
    gap: var(--space-8);
}

@media (min-width: 1024px) {
    .nav-links {
        display: flex;
    }
}

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

.nav-link:hover {
    color: var(--color-primary-500);
}

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

.nav-mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
}

@media (min-width: 1024px) {
    .nav-mobile-toggle {
        display: none;
    }
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    z-index: var(--z-fixed);
    padding: var(--space-6);
    transform: translateX(100%);
    transition: transform var(--transition-spring);
    overflow-y: auto;
}

.mobile-menu.active {
    transform: translateX(0);
}

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

.mobile-menu-link {
    display: block;
    padding: var(--space-4);
    font-size: 1.125rem;
    font-weight: 500;
    border-radius: var(--radius-lg);
    transition: background-color var(--transition-fast);
}

.mobile-menu-link:hover {
    background: var(--bg-secondary);
}

/* --------------------------------------------------------------------------
   4.2 Buttons
   -------------------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: inherit;
    font-size: var(--text-small);
    font-weight: 600;
    line-height: 1.5;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-700) 100%);
    color: white;
    box-shadow: var(--shadow-md), 0 0 0 0 rgba(124, 58, 237, 0);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow-purple);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--color-primary-300);
}

.btn-accent {
    background: linear-gradient(135deg, var(--color-accent-400) 0%, var(--color-accent-500) 100%);
    color: var(--color-neutral-900);
    box-shadow: var(--shadow-md);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow-yellow);
}

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

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

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

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* --------------------------------------------------------------------------
   4.3 Cards
   -------------------------------------------------------------------------- */

.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

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

.dark .card-hover:hover {
    border-color: var(--color-primary-800);
    box-shadow: var(--shadow-2xl), var(--shadow-glow-purple);
}

.card-glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.dark .card-glass {
    background: rgba(15, 23, 42, 0.7);
}

/* Feature Card */
.feature-card {
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary-500) 0%, var(--color-accent-400) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-100) 0%, var(--color-primary-50) 100%);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-6);
}

.dark .feature-icon {
    background: linear-gradient(135deg, var(--color-primary-900) 0%, var(--color-primary-800) 100%);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary-600);
}

.dark .feature-icon svg {
    color: var(--color-primary-400);
}

/* Pricing Card */
.pricing-card {
    position: relative;
}

.pricing-card.popular {
    border: 2px solid var(--color-primary-500);
    box-shadow: var(--shadow-glow-purple);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-2) var(--space-4);
    background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-700) 100%);
    color: white;
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

/* Template Card */
.template-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.template-preview {
    aspect-ratio: 4/3;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--space-4);
}

.template-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
    display: flex;
    align-items: flex-end;
    padding: var(--space-6);
}

.template-card:hover .template-overlay {
    opacity: 1;
}

/* Blog Card */
.blog-card {
    display: flex;
    flex-direction: column;
}

.blog-card-image {
    aspect-ratio: 16/9;
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--space-4);
    background: var(--bg-secondary);
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.05);
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-bottom: var(--space-2);
}

.blog-card-category {
    color: var(--color-primary-500);
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   4.4 Forms
   -------------------------------------------------------------------------- */

.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-size: var(--text-small);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: inherit;
    font-size: var(--text-body);
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

.form-input-lg {
    padding: var(--space-4) var(--space-6);
    font-size: 1.125rem;
    border-radius: var(--radius-xl);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 20px;
    padding-right: 44px;
}

/* --------------------------------------------------------------------------
   4.5 Badges & Pills
   -------------------------------------------------------------------------- */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.badge-primary {
    background: var(--color-primary-100);
    color: var(--color-primary-700);
}

.dark .badge-primary {
    background: rgba(124, 58, 237, 0.2);
    color: var(--color-primary-400);
}

.badge-accent {
    background: var(--color-accent-100);
    color: var(--color-accent-700);
}

.dark .badge-accent {
    background: rgba(250, 204, 21, 0.2);
    color: var(--color-accent-400);
}

.badge-success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
}

/* --------------------------------------------------------------------------
   4.6 Tabs
   -------------------------------------------------------------------------- */

.tabs {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-1);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    overflow-x: auto;
}

.tab {
    flex: 1;
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-small);
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.tab.active {
    background: var(--bg-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------------
   4.7 Toggle Switch
   -------------------------------------------------------------------------- */

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

.toggle-switch {
    position: relative;
    width: 56px;
    height: 32px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.toggle-switch.active {
    background: var(--color-primary-500);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 4px;
    left: 4px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast);
}

.toggle-switch.active::after {
    transform: translateX(24px);
}

.toggle-label {
    font-size: var(--text-small);
    color: var(--text-secondary);
}

.toggle-label.active {
    color: var(--text-primary);
    font-weight: 500;
}

/* ==========================================================================
   5. SECTION STYLES
   ========================================================================== */

/* Section spacing */
section {
    padding: var(--space-20) 0;
}

@media (min-width: 768px) {
    section {
        padding: var(--space-24) 0;
    }
}

@media (min-width: 1024px) {
    section {
        padding: var(--space-32) 0;
    }
}

/* Section Headers */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-16);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary-100);
    color: var(--color-primary-700);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.dark .section-badge {
    background: rgba(124, 58, 237, 0.2);
    color: var(--color-primary-400);
}

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

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==========================================================================
   6. HERO SECTION (UNIQUE AI DEMO)
   ========================================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(72px + var(--space-16));
    padding-bottom: var(--space-16);
    overflow: hidden;
    position: relative;
}

.hero-grid {
    display: grid;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

/* Hero Content (Left Side) */
.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(124, 58, 237, 0.1);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-primary-600);
    margin-bottom: var(--space-6);
}

.dark .hero-badge {
    background: rgba(124, 58, 237, 0.15);
    color: var(--color-primary-400);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent-400);
    border-radius: var(--radius-full);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

.hero-title {
    font-size: var(--text-hero);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-6);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-8);
}

/* AI Prompt Input */
.hero-input-group {
    position: relative;
    margin-bottom: var(--space-8);
}

.hero-input {
    width: 100%;
    padding: var(--space-5) var(--space-6);
    padding-right: 140px;
    font-size: 1.125rem;
    background: var(--bg-primary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-fast);
}

.hero-input:focus {
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
}

.hero-input-btn {
    position: absolute;
    right: var(--space-2);
    top: 50%;
    transform: translateY(-50%);
    padding: var(--space-3) var(--space-6);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-8);
}

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

.hero-stat-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.hero-stat-label {
    font-size: var(--text-small);
    color: var(--text-tertiary);
}

/* Hero Demo (Right Side) */
.hero-demo {
    position: relative;
}

.demo-container {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
}

.dark .demo-container {
    box-shadow: var(--shadow-2xl), var(--shadow-glow-purple);
}

/* Demo Header (like a document) */
.demo-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--border-primary);
    background: var(--bg-secondary);
}

.demo-dots {
    display: flex;
    gap: var(--space-2);
}

.demo-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
}

.demo-dot:nth-child(1) { background: #ef4444; }
.demo-dot:nth-child(2) { background: #f59e0b; }
.demo-dot:nth-child(3) { background: #22c55e; }

.demo-title {
    flex: 1;
    text-align: center;
    font-size: var(--text-small);
    color: var(--text-tertiary);
}

/* Demo Content */
.demo-content {
    padding: var(--space-8);
    min-height: 350px;
}

.demo-prompt {
    font-size: var(--text-small);
    color: var(--text-tertiary);
    margin-bottom: var(--space-2);
}

.demo-prompt-text {
    font-size: 1.125rem;
    color: var(--color-primary-500);
    font-weight: 500;
    margin-bottom: var(--space-6);
}

.demo-output {
    font-size: var(--text-body);
    line-height: 1.8;
    color: var(--text-primary);
}

/* Typewriter Cursor */
.typewriter-cursor {
    display: inline-block;
    width: 3px;
    height: 1.2em;
    background: var(--color-primary-500);
    margin-left: 2px;
    animation: blink 0.8s infinite;
    vertical-align: text-bottom;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Demo Footer */
.demo-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border-primary);
    background: var(--bg-secondary);
}

.demo-meta {
    display: flex;
    gap: var(--space-6);
}

.demo-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-small);
    color: var(--text-tertiary);
}

.demo-meta-value {
    color: var(--text-primary);
    font-weight: 600;
}

/* Quality Meter */
.quality-meter {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.quality-label {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.quality-bar {
    width: 120px;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.quality-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary-500) 0%, var(--color-accent-400) 100%);
    border-radius: var(--radius-full);
    width: 0%;
    transition: width 2s ease-out;
}

.quality-fill.animate {
    width: 92%;
}

.quality-value {
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-primary-500);
}

/* Hero Decorative Elements */
.hero-glow {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: var(--radius-full);
    filter: blur(100px);
    opacity: 0.3;
    pointer-events: none;
}

.hero-glow-1 {
    top: -200px;
    right: -200px;
    background: var(--color-primary-500);
}

.hero-glow-2 {
    bottom: -200px;
    left: -200px;
    background: var(--color-accent-400);
    opacity: 0.2;
}

/* ==========================================================================
   7. ANIMATIONS
   ========================================================================== */

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--transition-spring), transform 0.8s var(--transition-spring);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.8s var(--transition-spring);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.8s var(--transition-spring);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s var(--transition-spring);
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Stagger Delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }
.stagger-7 { transition-delay: 0.7s; }
.stagger-8 { transition-delay: 0.8s; }

/* Hover Effects */
.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.hover-zoom {
    overflow: hidden;
}

.hover-zoom img {
    transition: transform 0.6s var(--transition-spring);
}

.hover-zoom:hover img {
    transform: scale(1.05);
}

/* Continuous Animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.5); opacity: 0; }
}

.pulse-ring {
    animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.animate-gradient {
    background-size: 200% 200%;
    animation: gradient-shift 8s ease infinite;
}

@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-spin-slow {
    animation: spin-slow 20s linear infinite;
}

/* Loading Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal, .reveal-left, .reveal-right, .reveal-scale {
        opacity: 1;
        transform: none;
    }

    .typewriter-cursor {
        animation: none;
        opacity: 1;
    }
}

/* ==========================================================================
   8. FOOTER
   ========================================================================== */

.footer {
    padding: var(--space-16) 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
}

.footer-grid {
    display: grid;
    gap: var(--space-12);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr repeat(3, 1fr);
        gap: var(--space-8);
    }
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.footer-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.footer-social-link:hover {
    background: var(--color-primary-500);
    color: white;
}

.footer-column h4 {
    font-size: var(--text-small);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-link {
    font-size: var(--text-small);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-primary-500);
}

.footer-bottom {
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-primary);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-copyright {
    font-size: var(--text-small);
    color: var(--text-tertiary);
}

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

.footer-legal-link {
    font-size: var(--text-small);
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

.footer-legal-link:hover {
    color: var(--text-primary);
}

/* ==========================================================================
   9. PAGE-SPECIFIC STYLES
   ========================================================================== */

/* --------------------------------------------------------------------------
   9.1 Use Cases Tabs
   -------------------------------------------------------------------------- */

.use-cases-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-12);
}

.use-case-tab {
    padding: var(--space-3) var(--space-6);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
    font-size: var(--text-small);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.use-case-tab:hover {
    border-color: var(--color-primary-300);
    color: var(--text-primary);
}

.use-case-tab.active {
    background: var(--color-primary-500);
    border-color: var(--color-primary-500);
    color: white;
}

.use-case-content {
    display: none;
}

.use-case-content.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

@media (max-width: 768px) {
    .use-case-content.active {
        grid-template-columns: 1fr;
    }
}

/* --------------------------------------------------------------------------
   9.2 API Docs
   -------------------------------------------------------------------------- */

.code-block {
    background: var(--color-neutral-900);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    background: var(--color-neutral-800);
    border-bottom: 1px solid var(--color-neutral-700);
}

.code-lang {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-neutral-400);
}

.code-copy {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    background: var(--color-neutral-700);
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-neutral-300);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.code-copy:hover {
    background: var(--color-neutral-600);
}

.code-content {
    padding: var(--space-6);
    overflow-x: auto;
}

.code-content pre {
    margin: 0;
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    font-size: var(--text-small);
    line-height: 1.7;
    color: var(--color-neutral-100);
}

.code-content .keyword { color: #c678dd; }
.code-content .string { color: #98c379; }
.code-content .number { color: #d19a66; }
.code-content .comment { color: #5c6370; }
.code-content .function { color: #61afef; }

/* --------------------------------------------------------------------------
   9.3 Templates Gallery
   -------------------------------------------------------------------------- */

.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-8);
}

.template-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.template-filter {
    padding: var(--space-2) var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
    font-size: var(--text-small);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.template-filter:hover,
.template-filter.active {
    background: var(--color-primary-500);
    border-color: var(--color-primary-500);
    color: white;
}

/* --------------------------------------------------------------------------
   9.4 Pricing Toggle
   -------------------------------------------------------------------------- */

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.pricing-toggle-label {
    font-size: var(--text-body);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.pricing-toggle-label.active {
    color: var(--text-primary);
    font-weight: 600;
}

.pricing-save {
    padding: var(--space-1) var(--space-3);
    background: var(--color-accent-100);
    color: var(--color-accent-700);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.dark .pricing-save {
    background: rgba(250, 204, 21, 0.2);
    color: var(--color-accent-400);
}

.pricing-grid {
    display: grid;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        align-items: start;
    }
}

/* --------------------------------------------------------------------------
   9.5 Blog
   -------------------------------------------------------------------------- */

.blog-grid {
    display: grid;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.blog-featured {
    grid-column: 1 / -1;
}

@media (min-width: 768px) {
    .blog-featured {
        display: grid;
        grid-template-columns: 1.5fr 1fr;
        gap: var(--space-8);
        align-items: center;
    }
}

.blog-article {
    max-width: 800px;
    margin: 0 auto;
}

.blog-article-header {
    margin-bottom: var(--space-8);
}

.blog-article-content {
    font-size: 1.125rem;
    line-height: 1.8;
}

.blog-article-content h2 {
    font-size: var(--text-h2);
    margin: var(--space-12) 0 var(--space-6);
}

.blog-article-content h3 {
    font-size: var(--text-h3);
    margin: var(--space-8) 0 var(--space-4);
}

.blog-article-content p {
    margin-bottom: var(--space-6);
}

.blog-article-content ul,
.blog-article-content ol {
    margin-bottom: var(--space-6);
    padding-left: var(--space-6);
}

.blog-article-content li {
    margin-bottom: var(--space-2);
}

.blog-article-content blockquote {
    margin: var(--space-8) 0;
    padding: var(--space-6) var(--space-8);
    border-left: 4px solid var(--color-primary-500);
    background: var(--bg-secondary);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    font-style: italic;
}

/* --------------------------------------------------------------------------
   9.6 Auth Pages
   -------------------------------------------------------------------------- */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
}

.auth-container {
    width: 100%;
    max-width: 440px;
}

.auth-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-6);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-6) 0;
    color: var(--text-tertiary);
    font-size: var(--text-small);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-primary);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-6);
    font-size: var(--text-small);
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--color-primary-500);
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Social Auth Buttons */
.social-auth {
    display: flex;
    gap: var(--space-3);
}

.social-auth-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    font-size: var(--text-small);
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.social-auth-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--color-primary-300);
}

/* ==========================================================================
   10. RESPONSIVE UTILITIES
   ========================================================================== */

@media (max-width: 640px) {
    .hide-sm {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .hide-md {
        display: none !important;
    }
}

@media (max-width: 1024px) {
    .hide-lg {
        display: none !important;
    }
}

/* ==========================================================================
   11. PRINT STYLES
   ========================================================================== */

@media print {
    *,
    *::before,
    *::after {
        background: transparent !important;
        color: #000 !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }

    .nav,
    .footer,
    .btn,
    .mobile-menu {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    h1, h2, h3 {
        page-break-after: avoid;
    }

    img {
        max-width: 100% !important;
        page-break-inside: avoid;
    }
}