/* ==========================================================================
   DATAVIZ - AI Data Analysis Platform
   Premium CSS with Design Tokens
   ========================================================================== */

/* ==========================================================================
   DESIGN TOKENS
   ========================================================================== */

:root {
    /* Colors - Primary (Blue) */
    --color-primary-50: #eff6ff;
    --color-primary-100: #dbeafe;
    --color-primary-200: #bfdbfe;
    --color-primary-300: #93c5fd;
    --color-primary-400: #60a5fa;
    --color-primary-500: #3b82f6;
    --color-primary-600: #2563eb;
    --color-primary-700: #1d4ed8;
    --color-primary-800: #1e40af;
    --color-primary-900: #1e3a8a;

    /* Colors - Accent (Coral) */
    --color-accent-50: #fff7ed;
    --color-accent-100: #ffedd5;
    --color-accent-200: #fed7aa;
    --color-accent-300: #fdba74;
    --color-accent-400: #fb923c;
    --color-accent-500: #f97316;
    --color-accent-600: #ea580c;
    --color-accent-700: #c2410c;
    --color-accent-800: #9a3412;
    --color-accent-900: #7c2d12;

    /* Colors - Success */
    --color-success-400: #4ade80;
    --color-success-500: #22c55e;
    --color-success-600: #16a34a;

    /* Colors - Warning */
    --color-warning-400: #facc15;
    --color-warning-500: #eab308;
    --color-warning-600: #ca8a04;

    /* Colors - Error */
    --color-error-400: #f87171;
    --color-error-500: #ef4444;
    --color-error-600: #dc2626;

    /* Colors - Neutrals */
    --color-neutral-0: #ffffff;
    --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;

    /* Typography Scale (Responsive) */
    --text-xs: clamp(0.6875rem, 0.65rem + 0.15vw, 0.75rem);
    --text-sm: clamp(0.8125rem, 0.775rem + 0.15vw, 0.875rem);
    --text-base: clamp(0.9375rem, 0.9rem + 0.15vw, 1rem);
    --text-lg: clamp(1.0625rem, 1rem + 0.25vw, 1.125rem);
    --text-xl: clamp(1.1875rem, 1.1rem + 0.35vw, 1.25rem);
    --text-2xl: clamp(1.375rem, 1.25rem + 0.5vw, 1.5rem);
    --text-3xl: clamp(1.625rem, 1.4rem + 0.9vw, 1.875rem);
    --text-4xl: clamp(1.875rem, 1.5rem + 1.5vw, 2.25rem);
    --text-5xl: clamp(2.25rem, 1.75rem + 2vw, 3rem);
    --text-6xl: clamp(2.75rem, 2rem + 3vw, 3.75rem);
    --text-7xl: clamp(3.25rem, 2.25rem + 4vw, 4.5rem);
    --text-hero: clamp(3.5rem, 2.5rem + 5vw, 6rem);

    /* Font Families */
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;

    /* Font Weights */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;

    /* Line Heights */
    --leading-none: 1;
    --leading-tight: 1.15;
    --leading-snug: 1.35;
    --leading-normal: 1.5;
    --leading-relaxed: 1.65;
    --leading-loose: 2;

    /* Letter Spacing */
    --tracking-tighter: -0.04em;
    --tracking-tight: -0.02em;
    --tracking-normal: 0;
    --tracking-wide: 0.02em;
    --tracking-wider: 0.04em;

    /* Spacing Scale (8px base) */
    --space-0: 0;
    --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;
    --space-40: 10rem;
    --space-48: 12rem;

    /* Border Radius */
    --radius-none: 0;
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.25rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --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-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);

    /* Glow Effects */
    --glow-primary: 0 0 30px rgba(59, 130, 246, 0.3);
    --glow-primary-lg: 0 0 60px rgba(59, 130, 246, 0.4);
    --glow-accent: 0 0 30px rgba(249, 115, 22, 0.3);
    --glow-accent-lg: 0 0 60px rgba(249, 115, 22, 0.4);
    --glow-success: 0 0 30px rgba(34, 197, 94, 0.3);

    /* Transitions */
    --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);

    --duration-75: 75ms;
    --duration-100: 100ms;
    --duration-150: 150ms;
    --duration-200: 200ms;
    --duration-300: 300ms;
    --duration-500: 500ms;
    --duration-700: 700ms;
    --duration-1000: 1000ms;

    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;

    /* Container Widths */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1400px;

    /* Chart Colors */
    --chart-1: #3b82f6;
    --chart-2: #f97316;
    --chart-3: #22c55e;
    --chart-4: #a855f7;
    --chart-5: #14b8a6;
    --chart-6: #f43f5e;
    --chart-7: #eab308;
    --chart-8: #6366f1;
}

/* Dark Mode */
[data-theme="dark"],
.dark {
    --color-neutral-0: #0f172a;
    --color-neutral-50: #1e293b;
    --color-neutral-100: #334155;
    --color-neutral-200: #475569;
    --color-neutral-300: #64748b;
    --color-neutral-400: #94a3b8;
    --color-neutral-500: #cbd5e1;
    --color-neutral-600: #e2e8f0;
    --color-neutral-700: #f1f5f9;
    --color-neutral-800: #f8fafc;
    --color-neutral-900: #ffffff;
    --color-neutral-950: #ffffff;

    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.4);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5), 0 8px 10px -6px rgb(0 0 0 / 0.5);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.6);
}

/* ==========================================================================
   BASE STYLES
   ========================================================================== */

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

* {
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--color-neutral-900);
    background-color: var(--color-neutral-0);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

.dark body {
    color: var(--color-neutral-100);
    background-color: #0a0f1a;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: var(--color-neutral-950);
}

.dark h1, .dark h2, .dark h3, .dark h4, .dark h5, .dark h6 {
    color: var(--color-neutral-0);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    color: var(--color-neutral-600);
}

.dark p {
    color: var(--color-neutral-400);
}

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

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
}

button, input, select, textarea {
    font: inherit;
}

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-neutral-100);
}

.dark ::-webkit-scrollbar-track {
    background: var(--color-neutral-800);
}

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

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

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

/* Skip Link */
.skip-link {
    position: absolute;
    left: -9999px;
    top: var(--space-4);
    z-index: var(--z-tooltip);
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary-600);
    color: white;
    font-weight: var(--font-semibold);
    border-radius: var(--radius-md);
}

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

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

.container {
    width: 100%;
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-8);
    }
}

.section {
    padding: var(--space-20) 0;
}

@media (min-width: 768px) {
    .section {
        padding: var(--space-32) 0;
    }
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    padding: var(--space-4) 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-neutral-200);
    transition: all var(--duration-300) var(--ease-default);
}

.dark .navbar {
    background: rgba(10, 15, 26, 0.85);
    border-bottom-color: var(--color-neutral-800);
}

.navbar.scrolled {
    padding: var(--space-3) 0;
    box-shadow: var(--shadow-lg);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-neutral-950);
}

.dark .nav-logo {
    color: white;
}

.nav-logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    border-radius: var(--radius-lg);
    color: white;
}

.nav-links {
    display: none;
    align-items: center;
    gap: var(--space-1);
}

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

.nav-link {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-neutral-600);
    border-radius: var(--radius-lg);
    transition: all var(--duration-200) var(--ease-default);
}

.dark .nav-link {
    color: var(--color-neutral-400);
}

.nav-link:hover {
    color: var(--color-neutral-950);
    background: var(--color-neutral-100);
}

.dark .nav-link:hover {
    color: white;
    background: var(--color-neutral-800);
}

.nav-link.active {
    color: var(--color-primary-600);
    background: var(--color-primary-50);
}

.dark .nav-link.active {
    color: var(--color-primary-400);
    background: rgba(59, 130, 246, 0.1);
}

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

.nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    color: var(--color-neutral-700);
    transition: all var(--duration-200) var(--ease-default);
}

.dark .nav-toggle {
    color: var(--color-neutral-300);
}

.nav-toggle:hover {
    background: var(--color-neutral-100);
}

.dark .nav-toggle:hover {
    background: var(--color-neutral-800);
}

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

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 4.5rem;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-neutral-0);
    padding: var(--space-6);
    z-index: var(--z-fixed);
    overflow-y: auto;
}

.dark .mobile-menu {
    background: #0a0f1a;
}

.mobile-menu.active {
    display: block;
}

.mobile-nav-link {
    display: block;
    padding: var(--space-4);
    font-size: var(--text-lg);
    font-weight: var(--font-medium);
    color: var(--color-neutral-700);
    border-radius: var(--radius-lg);
    transition: all var(--duration-200) var(--ease-default);
}

.dark .mobile-nav-link {
    color: var(--color-neutral-300);
}

.mobile-nav-link:hover {
    background: var(--color-neutral-100);
    color: var(--color-neutral-950);
}

.dark .mobile-nav-link:hover {
    background: var(--color-neutral-800);
    color: white;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    line-height: var(--leading-normal);
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--duration-200) var(--ease-default);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: var(--color-neutral-100);
    color: var(--color-neutral-900);
}

.dark .btn-secondary {
    background: var(--color-neutral-800);
    color: var(--color-neutral-100);
}

.btn-secondary:hover {
    background: var(--color-neutral-200);
}

.dark .btn-secondary:hover {
    background: var(--color-neutral-700);
}

.btn-outline {
    background: transparent;
    color: var(--color-neutral-700);
    border: 1px solid var(--color-neutral-300);
}

.dark .btn-outline {
    color: var(--color-neutral-300);
    border-color: var(--color-neutral-700);
}

.btn-outline:hover {
    background: var(--color-neutral-100);
    border-color: var(--color-neutral-400);
}

.dark .btn-outline:hover {
    background: var(--color-neutral-800);
    border-color: var(--color-neutral-600);
}

.btn-accent {
    background: linear-gradient(135deg, var(--color-accent-500), var(--color-accent-600));
    color: white;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(249, 115, 22, 0.4);
}

.btn-ghost {
    background: transparent;
    color: var(--color-neutral-700);
}

.dark .btn-ghost {
    color: var(--color-neutral-300);
}

.btn-ghost:hover {
    background: var(--color-neutral-100);
}

.dark .btn-ghost:hover {
    background: var(--color-neutral-800);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    border-radius: var(--radius-2xl);
}

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

.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
}

/* ==========================================================================
   CARDS
   ========================================================================== */

.card {
    background: var(--color-neutral-0);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    transition: all var(--duration-300) var(--ease-default);
}

.dark .card {
    background: rgba(30, 41, 59, 0.5);
    border-color: var(--color-neutral-800);
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-200);
}

.dark .card-hover:hover {
    border-color: var(--color-primary-800);
}

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

.dark .card-glass {
    background: rgba(30, 41, 59, 0.7);
}

/* KPI Card */
.kpi-card {
    background: var(--color-neutral-0);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-5);
    transition: all var(--duration-300) var(--ease-default);
    position: relative;
    overflow: hidden;
}

.dark .kpi-card {
    background: rgba(30, 41, 59, 0.6);
    border-color: var(--color-neutral-800);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary-500), var(--color-accent-500));
    opacity: 0;
    transition: opacity var(--duration-300);
}

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

.kpi-label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-neutral-500);
    margin-bottom: var(--space-2);
}

.kpi-value {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-neutral-950);
    margin-bottom: var(--space-3);
}

.dark .kpi-value {
    color: white;
}

.kpi-change {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

.kpi-change.positive {
    color: var(--color-success-500);
}

.kpi-change.negative {
    color: var(--color-error-500);
}

/* Sparkline */
.sparkline {
    height: 40px;
    margin-top: var(--space-3);
}

.sparkline svg {
    width: 100%;
    height: 100%;
}

.sparkline-line {
    fill: none;
    stroke: var(--color-primary-500);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.sparkline-area {
    fill: url(#sparkline-gradient);
}

/* ==========================================================================
   DASHBOARD COMPONENTS
   ========================================================================== */

/* Query Bar */
.query-bar {
    background: var(--color-neutral-0);
    border: 2px solid var(--color-neutral-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    transition: all var(--duration-300) var(--ease-default);
    box-shadow: var(--shadow-lg);
}

.dark .query-bar {
    background: rgba(30, 41, 59, 0.8);
    border-color: var(--color-neutral-700);
}

.query-bar:focus-within {
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1), var(--shadow-xl);
}

.query-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    border-radius: var(--radius-xl);
    color: white;
    flex-shrink: 0;
}

.query-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: var(--text-base);
    color: var(--color-neutral-900);
    outline: none;
}

.dark .query-input {
    color: white;
}

.query-input::placeholder {
    color: var(--color-neutral-400);
}

.query-button {
    padding: var(--space-3) var(--space-6);
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    color: white;
    font-weight: var(--font-semibold);
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--duration-200) var(--ease-default);
}

.query-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

/* Chart Container */
.chart-container {
    background: var(--color-neutral-0);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    overflow: hidden;
}

.dark .chart-container {
    background: rgba(30, 41, 59, 0.5);
    border-color: var(--color-neutral-800);
}

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.chart-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-neutral-900);
}

.dark .chart-title {
    color: white;
}

.chart-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.chart-body {
    position: relative;
    height: 300px;
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-neutral-200);
}

.dark .data-table th,
.dark .data-table td {
    border-bottom-color: var(--color-neutral-800);
}

.data-table th {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-neutral-500);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.data-table td {
    font-size: var(--text-sm);
    color: var(--color-neutral-700);
}

.dark .data-table td {
    color: var(--color-neutral-300);
}

.data-table tbody tr {
    transition: background var(--duration-200);
}

.data-table tbody tr:hover {
    background: var(--color-neutral-50);
}

.dark .data-table tbody tr:hover {
    background: var(--color-neutral-800);
}

/* Chart Type Picker */
.chart-picker {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2);
    background: var(--color-neutral-100);
    border-radius: var(--radius-xl);
    overflow-x: auto;
}

.dark .chart-picker {
    background: var(--color-neutral-800);
}

.chart-picker-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-3) var(--space-4);
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    color: var(--color-neutral-500);
    transition: all var(--duration-200) var(--ease-default);
    white-space: nowrap;
}

.chart-picker-item:hover {
    background: var(--color-neutral-0);
    color: var(--color-neutral-700);
}

.dark .chart-picker-item:hover {
    background: var(--color-neutral-700);
    color: var(--color-neutral-300);
}

.chart-picker-item.active {
    background: var(--color-primary-500);
    color: white;
}

.chart-picker-icon {
    width: 1.5rem;
    height: 1.5rem;
}

.chart-picker-label {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: var(--space-8);
}

.timeline::before {
    content: '';
    position: absolute;
    left: var(--space-3);
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-primary-500), var(--color-accent-500));
    border-radius: var(--radius-full);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-8);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: calc(-1 * var(--space-8) + var(--space-2));
    top: var(--space-1);
    width: 0.75rem;
    height: 0.75rem;
    background: var(--color-primary-500);
    border: 3px solid var(--color-neutral-0);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
}

.dark .timeline-dot {
    border-color: #0a0f1a;
}

.timeline-content {
    background: var(--color-neutral-50);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
}

.dark .timeline-content {
    background: var(--color-neutral-800);
}

.timeline-date {
    font-size: var(--text-sm);
    color: var(--color-primary-600);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-2);
}

.timeline-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-neutral-900);
    margin-bottom: var(--space-2);
}

.dark .timeline-title {
    color: white;
}

.timeline-description {
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
}

.dark .timeline-description {
    color: var(--color-neutral-400);
}

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

.hero {
    position: relative;
    min-height: 100vh;
    padding-top: 6rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, rgba(249, 115, 22, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 20% 80%, rgba(34, 197, 94, 0.08) 0%, transparent 50%);
}

.dark .hero-background {
    background:
        radial-gradient(ellipse at 30% 20%, rgba(59, 130, 246, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, rgba(249, 115, 22, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 20% 80%, rgba(34, 197, 94, 0.1) 0%, transparent 50%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.dark .hero-grid {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
}

.hero-content {
    position: relative;
    z-index: 10;
    display: grid;
    gap: var(--space-12);
    padding: var(--space-12) 0;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr 1.2fr;
        align-items: center;
        padding: var(--space-16) 0;
    }
}

.hero-text {
    text-align: center;
}

@media (min-width: 1024px) {
    .hero-text {
        text-align: left;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary-50);
    color: var(--color-primary-700);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
}

.dark .hero-badge {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-primary-400);
}

.hero-title {
    font-size: var(--text-hero);
    font-weight: var(--font-extrabold);
    line-height: 1.1;
    letter-spacing: var(--tracking-tighter);
    margin-bottom: var(--space-6);
}

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

.hero-description {
    font-size: var(--text-xl);
    color: var(--color-neutral-600);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-8);
    max-width: 36rem;
}

.dark .hero-description {
    color: var(--color-neutral-400);
}

@media (min-width: 1024px) {
    .hero-description {
        margin-left: 0;
        margin-right: auto;
    }
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
}

@media (min-width: 1024px) {
    .hero-actions {
        justify-content: flex-start;
    }
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-neutral-200);
}

.dark .hero-stats {
    border-top-color: var(--color-neutral-800);
}

.hero-stat-value {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-neutral-950);
}

.dark .hero-stat-value {
    color: white;
}

.hero-stat-label {
    font-size: var(--text-sm);
    color: var(--color-neutral-500);
}

/* Hero Dashboard */
.hero-dashboard {
    position: relative;
}

.dashboard-mockup {
    background: var(--color-neutral-0);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-2xl);
}

.dark .dashboard-mockup {
    background: rgba(30, 41, 59, 0.9);
    border-color: var(--color-neutral-700);
}

.dashboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.dashboard-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
}

.dashboard-kpis {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.dashboard-chart {
    background: var(--color-neutral-50);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    height: 200px;
    position: relative;
    overflow: hidden;
}

.dark .dashboard-chart {
    background: var(--color-neutral-800);
}

/* Chart Animation */
.chart-bars {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    height: 100%;
    padding: var(--space-4);
    gap: var(--space-2);
}

.chart-bar {
    flex: 1;
    background: linear-gradient(to top, var(--color-primary-500), var(--color-primary-400));
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    animation: bar-grow 1.5s ease-out forwards;
    transform-origin: bottom;
}

.chart-bar:nth-child(even) {
    background: linear-gradient(to top, var(--color-accent-500), var(--color-accent-400));
}

@keyframes bar-grow {
    from {
        transform: scaleY(0);
    }
    to {
        transform: scaleY(1);
    }
}

.chart-bar:nth-child(1) { height: 60%; animation-delay: 0.1s; }
.chart-bar:nth-child(2) { height: 80%; animation-delay: 0.2s; }
.chart-bar:nth-child(3) { height: 45%; animation-delay: 0.3s; }
.chart-bar:nth-child(4) { height: 90%; animation-delay: 0.4s; }
.chart-bar:nth-child(5) { height: 70%; animation-delay: 0.5s; }
.chart-bar:nth-child(6) { height: 55%; animation-delay: 0.6s; }
.chart-bar:nth-child(7) { height: 85%; animation-delay: 0.7s; }
.chart-bar:nth-child(8) { height: 65%; animation-delay: 0.8s; }

/* Floating Elements */
.floating-element {
    position: absolute;
    background: var(--color-neutral-0);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

.dark .floating-element {
    background: rgba(30, 41, 59, 0.9);
    border-color: var(--color-neutral-700);
}

.floating-element.element-1 {
    top: -2rem;
    right: -2rem;
    animation-delay: 0s;
}

.floating-element.element-2 {
    bottom: 2rem;
    left: -3rem;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

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

.features-grid {
    display: grid;
    gap: var(--space-6);
}

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

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

.feature-card {
    padding: var(--space-8);
}

.feature-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-100), var(--color-primary-50));
    color: var(--color-primary-600);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-5);
}

.dark .feature-icon {
    background: rgba(59, 130, 246, 0.15);
    color: var(--color-primary-400);
}

.feature-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--color-neutral-900);
}

.dark .feature-title {
    color: white;
}

.feature-description {
    font-size: var(--text-base);
    color: var(--color-neutral-600);
    line-height: var(--leading-relaxed);
}

.dark .feature-description {
    color: var(--color-neutral-400);
}

/* ==========================================================================
   INTEGRATIONS
   ========================================================================== */

.integrations-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

@media (min-width: 640px) {
    .integrations-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .integrations-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

.integration-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    background: var(--color-neutral-0);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-xl);
    transition: all var(--duration-300) var(--ease-default);
}

.dark .integration-card {
    background: rgba(30, 41, 59, 0.5);
    border-color: var(--color-neutral-800);
}

.integration-card:hover {
    border-color: var(--color-primary-300);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.dark .integration-card:hover {
    border-color: var(--color-primary-700);
}

.integration-icon {
    width: 3rem;
    height: 3rem;
    margin-bottom: var(--space-3);
}

.integration-name {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-neutral-700);
}

.dark .integration-name {
    color: var(--color-neutral-300);
}

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

.pricing-grid {
    display: grid;
    gap: var(--space-6);
}

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

.pricing-card {
    position: relative;
    padding: var(--space-8);
    background: var(--color-neutral-0);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-2xl);
    transition: all var(--duration-300);
}

.dark .pricing-card {
    background: rgba(30, 41, 59, 0.5);
    border-color: var(--color-neutral-800);
}

.pricing-card.featured {
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 1px var(--color-primary-500), var(--shadow-xl);
}

.pricing-badge {
    position: absolute;
    top: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-1) var(--space-4);
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    color: white;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
}

.pricing-tier {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-neutral-900);
    margin-bottom: var(--space-2);
}

.dark .pricing-tier {
    color: white;
}

.pricing-description {
    font-size: var(--text-sm);
    color: var(--color-neutral-500);
    margin-bottom: var(--space-6);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: var(--space-1);
    margin-bottom: var(--space-2);
}

.pricing-amount {
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    color: var(--color-neutral-950);
}

.dark .pricing-amount {
    color: white;
}

.pricing-period {
    font-size: var(--text-base);
    color: var(--color-neutral-500);
}

.pricing-rows {
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-neutral-200);
}

.dark .pricing-rows {
    color: var(--color-neutral-400);
    border-bottom-color: var(--color-neutral-800);
}

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

.pricing-feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--color-neutral-700);
}

.dark .pricing-feature {
    color: var(--color-neutral-300);
}

.pricing-feature-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-success-500);
    flex-shrink: 0;
}

/* ==========================================================================
   TESTIMONIALS
   ========================================================================== */

.testimonials-grid {
    display: grid;
    gap: var(--space-6);
}

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

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

.testimonial-card {
    padding: var(--space-8);
}

.testimonial-rating {
    display: flex;
    gap: var(--space-1);
    margin-bottom: var(--space-4);
}

.testimonial-star {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-warning-500);
}

.testimonial-content {
    font-size: var(--text-base);
    color: var(--color-neutral-700);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.dark .testimonial-content {
    color: var(--color-neutral-300);
}

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

.testimonial-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.testimonial-name {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-neutral-900);
}

.dark .testimonial-name {
    color: white;
}

.testimonial-role {
    font-size: var(--text-sm);
    color: var(--color-neutral-500);
}

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

.cta-section {
    position: relative;
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
    overflow: hidden;
}

.cta-background {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(249, 115, 22, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 48rem;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    color: white;
    margin-bottom: var(--space-6);
}

.cta-description {
    font-size: var(--text-xl);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-8);
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
}

.cta-btn-primary {
    padding: var(--space-4) var(--space-8);
    background: white;
    color: var(--color-primary-600);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-xl);
    transition: all var(--duration-200);
}

.cta-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-btn-secondary {
    padding: var(--space-4) var(--space-8);
    background: transparent;
    color: white;
    font-weight: var(--font-semibold);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-xl);
    transition: all var(--duration-200);
}

.cta-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

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

.footer {
    padding: var(--space-20) 0 var(--space-8);
    background: var(--color-neutral-50);
    border-top: 1px solid var(--color-neutral-200);
}

.dark .footer {
    background: var(--color-neutral-900);
    border-top-color: var(--color-neutral-800);
}

.footer-grid {
    display: grid;
    gap: var(--space-12);
    margin-bottom: var(--space-16);
}

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

.footer-brand {
    max-width: 20rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-neutral-900);
    margin-bottom: var(--space-4);
}

.dark .footer-logo {
    color: white;
}

.footer-description {
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.dark .footer-description {
    color: var(--color-neutral-400);
}

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

.footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--color-neutral-200);
    color: var(--color-neutral-600);
    border-radius: var(--radius-lg);
    transition: all var(--duration-200);
}

.dark .footer-social-link {
    background: var(--color-neutral-800);
    color: var(--color-neutral-400);
}

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

.footer-column-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-neutral-900);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    margin-bottom: var(--space-4);
}

.dark .footer-column-title {
    color: white;
}

.footer-links {
    list-style: none;
}

.footer-link {
    display: block;
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
    transition: color var(--duration-200);
}

.dark .footer-link {
    color: var(--color-neutral-400);
}

.footer-link:hover {
    color: var(--color-primary-600);
}

.dark .footer-link:hover {
    color: var(--color-primary-400);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-neutral-200);
}

.dark .footer-bottom {
    border-top-color: var(--color-neutral-800);
}

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

.footer-copyright {
    font-size: var(--text-sm);
    color: var(--color-neutral-500);
}

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

.footer-legal-link {
    font-size: var(--text-sm);
    color: var(--color-neutral-500);
    transition: color var(--duration-200);
}

.footer-legal-link:hover {
    color: var(--color-primary-600);
}

.dark .footer-legal-link:hover {
    color: var(--color-primary-400);
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

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

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

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

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

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

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

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

/* Pulse Animation */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-pulse {
    animation: pulse 2s var(--ease-in-out) infinite;
}

/* Spin Animation */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* Bounce Animation */
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animate-bounce {
    animation: bounce 2s var(--ease-in-out) infinite;
}

/* Data Pulse */
@keyframes data-pulse {
    0% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(59, 130, 246, 0); }
    100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0); }
}

.data-pulse {
    animation: data-pulse 2s infinite;
}

/* Counter Animation */
.counter {
    display: inline-block;
}

/* 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;
    }
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.grid { display: grid; }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }

.w-full { width: 100%; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }

.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }

.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

.mt-auto { margin-top: auto; }

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }
.py-20 { padding-top: var(--space-20); padding-bottom: var(--space-20); }

.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.bg-primary { background-color: var(--color-primary-500); }
.bg-accent { background-color: var(--color-accent-500); }
.text-primary { color: var(--color-primary-600); }
.text-accent { color: var(--color-accent-600); }

.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;
}

/* ==========================================================================
   PAGE-SPECIFIC STYLES
   ========================================================================== */

/* Page Header */
.page-header {
    padding: var(--space-32) 0 var(--space-16);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
}

.dark .page-header-bg {
    background:
        radial-gradient(ellipse at 50% 0%, rgba(59, 130, 246, 0.2) 0%, transparent 50%);
}

.page-title {
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-4);
    position: relative;
    z-index: 1;
}

.page-description {
    font-size: var(--text-xl);
    color: var(--color-neutral-600);
    max-width: 36rem;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.dark .page-description {
    color: var(--color-neutral-400);
}

/* Documentation */
.docs-layout {
    display: grid;
    gap: var(--space-8);
}

@media (min-width: 1024px) {
    .docs-layout {
        grid-template-columns: 280px 1fr;
    }
}

.docs-sidebar {
    position: sticky;
    top: 6rem;
    height: fit-content;
}

.docs-nav {
    background: var(--color-neutral-50);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
}

.dark .docs-nav {
    background: var(--color-neutral-800);
}

.docs-nav-section {
    margin-bottom: var(--space-4);
}

.docs-nav-title {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--color-neutral-500);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    padding: var(--space-2) var(--space-3);
}

.docs-nav-link {
    display: block;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
    border-radius: var(--radius-lg);
    transition: all var(--duration-200);
}

.dark .docs-nav-link {
    color: var(--color-neutral-400);
}

.docs-nav-link:hover,
.docs-nav-link.active {
    background: var(--color-primary-50);
    color: var(--color-primary-600);
}

.dark .docs-nav-link:hover,
.dark .docs-nav-link.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-primary-400);
}

.docs-content {
    max-width: 48rem;
}

.docs-content h2 {
    font-size: var(--text-2xl);
    margin-top: var(--space-12);
    margin-bottom: var(--space-4);
}

.docs-content h3 {
    font-size: var(--text-xl);
    margin-top: var(--space-8);
    margin-bottom: var(--space-3);
}

.docs-content p {
    margin-bottom: var(--space-4);
    line-height: var(--leading-relaxed);
}

.docs-content code {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    padding: var(--space-1) var(--space-2);
    background: var(--color-neutral-100);
    border-radius: var(--radius-md);
}

.dark .docs-content code {
    background: var(--color-neutral-800);
}

.docs-content pre {
    background: var(--color-neutral-900);
    color: var(--color-neutral-100);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    margin-bottom: var(--space-6);
}

.dark .docs-content pre {
    background: var(--color-neutral-800);
}

.docs-content pre code {
    background: none;
    padding: 0;
}

/* 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-card {
    overflow: hidden;
}

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

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-500);
}

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

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.blog-card-category {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--color-primary-600);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.dark .blog-card-category {
    color: var(--color-primary-400);
}

.blog-card-date {
    font-size: var(--text-sm);
    color: var(--color-neutral-500);
}

.blog-card-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--color-neutral-900);
    margin-bottom: var(--space-3);
    transition: color var(--duration-200);
}

.dark .blog-card-title {
    color: white;
}

.blog-card:hover .blog-card-title {
    color: var(--color-primary-600);
}

.dark .blog-card:hover .blog-card-title {
    color: var(--color-primary-400);
}

.blog-card-excerpt {
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
    line-height: var(--leading-relaxed);
}

.dark .blog-card-excerpt {
    color: var(--color-neutral-400);
}

/* Forms */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-neutral-700);
    margin-bottom: var(--space-2);
}

.dark .form-label {
    color: var(--color-neutral-300);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    color: var(--color-neutral-900);
    background: var(--color-neutral-0);
    border: 1px solid var(--color-neutral-300);
    border-radius: var(--radius-xl);
    transition: all var(--duration-200);
}

.dark .form-input,
.dark .form-select,
.dark .form-textarea {
    color: white;
    background: var(--color-neutral-800);
    border-color: var(--color-neutral-700);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea {
    min-height: 8rem;
    resize: vertical;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.form-checkbox input {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.125rem;
    accent-color: var(--color-primary-500);
}

.form-checkbox-label {
    font-size: var(--text-sm);
    color: var(--color-neutral-600);
}

.dark .form-checkbox-label {
    color: var(--color-neutral-400);
}

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

.auth-card {
    width: 100%;
    max-width: 28rem;
    padding: var(--space-10);
    background: var(--color-neutral-0);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
}

.dark .auth-card {
    background: rgba(30, 41, 59, 0.8);
    border-color: var(--color-neutral-800);
}

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

.auth-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-neutral-900);
    margin-bottom: var(--space-6);
}

.dark .auth-logo {
    color: white;
}

.auth-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-2);
}

.auth-description {
    font-size: var(--text-sm);
    color: var(--color-neutral-500);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-6) 0;
}

.auth-divider-line {
    flex: 1;
    height: 1px;
    background: var(--color-neutral-200);
}

.dark .auth-divider-line {
    background: var(--color-neutral-700);
}

.auth-divider-text {
    font-size: var(--text-sm);
    color: var(--color-neutral-500);
}

.auth-social {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.auth-social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--color-neutral-100);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-xl);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-neutral-700);
    cursor: pointer;
    transition: all var(--duration-200);
}

.dark .auth-social-btn {
    background: var(--color-neutral-800);
    border-color: var(--color-neutral-700);
    color: var(--color-neutral-300);
}

.auth-social-btn:hover {
    background: var(--color-neutral-200);
}

.dark .auth-social-btn:hover {
    background: var(--color-neutral-700);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-6);
}

.auth-footer-text {
    font-size: var(--text-sm);
    color: var(--color-neutral-500);
}

.auth-footer-link {
    color: var(--color-primary-600);
    font-weight: var(--font-medium);
}

.dark .auth-footer-link {
    color: var(--color-primary-400);
}

/* ==========================================================================
   CONTENT VISIBILITY (Performance)
   ========================================================================== */

.section {
    content-visibility: auto;
    contain-intrinsic-size: 0 500px;
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
    .navbar,
    .footer,
    .btn,
    .mobile-menu {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: black;
        background: white;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }

    .section {
        padding: 1rem 0;
    }

    a {
        color: black;
        text-decoration: underline;
    }

    a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }
}