/* ==========================================================================
   AutoML - Automated Machine Learning Platform
   Premium CSS Design System
   Deep Purple (#7c3aed) + Cyan Accents - Dark Theme Default
   ========================================================================== */

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

:root {
    /* Colors - Deep Purple Primary */
    --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;

    /* Secondary - Cyan for accents */
    --color-secondary-50: #ecfeff;
    --color-secondary-100: #cffafe;
    --color-secondary-200: #a5f3fc;
    --color-secondary-300: #67e8f9;
    --color-secondary-400: #22d3ee;
    --color-secondary-500: #06b6d4;
    --color-secondary-600: #0891b2;
    --color-secondary-700: #0e7490;

    /* Success - Emerald */
    --color-success-50: #ecfdf5;
    --color-success-100: #d1fae5;
    --color-success-400: #34d399;
    --color-success-500: #10b981;
    --color-success-600: #059669;

    /* Warning - Amber */
    --color-warning-50: #fffbeb;
    --color-warning-400: #fbbf24;
    --color-warning-500: #f59e0b;

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

    /* Typography Scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: clamp(2.5rem, 5vw, 3rem);
    --text-6xl: clamp(3rem, 6vw, 3.75rem);
    --text-7xl: clamp(3.5rem, 8vw, 4.5rem);
    --text-hero: clamp(3rem, 8vw, 5rem);

    /* Font Families */
    --font-display: 'Manrope', system-ui, sans-serif;
    --font-body: 'Manrope', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 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: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;

    /* Letter Spacing */
    --tracking-tighter: -0.05em;
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;

    /* 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;

    /* Border Radius */
    --radius-none: 0;
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --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);

    /* Glows - Purple & Cyan */
    --glow-primary: 0 0 40px rgba(124, 58, 237, 0.4);
    --glow-primary-lg: 0 0 80px rgba(124, 58, 237, 0.5);
    --glow-secondary: 0 0 40px rgba(6, 182, 212, 0.4);
    --glow-success: 0 0 40px rgba(16, 185, 129, 0.3);
    --glow-cyan: 0 0 40px rgba(34, 211, 238, 0.4);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slower: 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: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;

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

    /* Dark Theme (Default for AutoML) */
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #1a1a24;
    --text-primary: #ffffff;
    --text-secondary: var(--color-slate-300);
    --text-tertiary: var(--color-slate-400);
    --border-primary: rgba(139, 92, 246, 0.2);
    --border-secondary: rgba(139, 92, 246, 0.1);
}

/* Light Theme (Alternate) */
[data-theme="light"]:not(.dark) {
    --bg-primary: #ffffff;
    --bg-secondary: var(--color-slate-50);
    --bg-tertiary: var(--color-slate-100);
    --text-primary: var(--color-slate-900);
    --text-secondary: var(--color-slate-600);
    --text-tertiary: var(--color-slate-500);
    --border-primary: var(--color-slate-200);
    --border-secondary: var(--color-slate-100);
}

/* Explicit dark mode class */
.dark {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #1a1a24;
    --text-primary: #ffffff;
    --text-secondary: var(--color-slate-300);
    --text-tertiary: var(--color-slate-400);
    --border-primary: rgba(139, 92, 246, 0.2);
    --border-secondary: rgba(139, 92, 246, 0.1);
}

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

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-slow), color var(--transition-slow);
}

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

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: var(--text-primary);
}

h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-5xl); }
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(--text-secondary);
    line-height: var(--leading-relaxed);
}

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

code, pre {
    font-family: var(--font-mono);
}

code {
    padding: 0.2em 0.4em;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.875em;
}

pre {
    padding: var(--space-4);
    background: var(--color-slate-900);
    border-radius: var(--radius-xl);
    overflow-x: auto;
}

.dark pre {
    background: var(--color-slate-800);
}

pre code {
    padding: 0;
    background: none;
    color: var(--color-slate-100);
}

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

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

.container-sm { max-width: var(--container-sm); }
.container-md { max-width: var(--container-md); }
.container-lg { max-width: var(--container-lg); }
.container-xl { max-width: var(--container-xl); }
.container-2xl { max-width: var(--container-2xl); }

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

.section-lg {
    padding-block: var(--space-32);
}

/* ==========================================================================
   GRADIENT TEXT
   ========================================================================== */

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

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    color: white;
    box-shadow: var(--shadow-md), 0 4px 20px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 8px 30px rgba(124, 58, 237, 0.5);
}

/* Cyan accent button */
.btn-cyan {
    background: linear-gradient(135deg, var(--color-secondary-400), var(--color-secondary-500));
    color: #0a0a0f;
    box-shadow: var(--shadow-md), 0 4px 20px rgba(6, 182, 212, 0.4);
}

.btn-cyan:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 8px 30px rgba(6, 182, 212, 0.5);
}

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

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

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

.btn-outline:hover {
    background: var(--bg-tertiary);
}

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

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

.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: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-lg);
}

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

.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--color-primary-200);
    box-shadow: var(--shadow-lg);
}

.dark .card:hover {
    border-color: var(--color-primary-900);
}

.card-feature {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    transition: all var(--transition-spring);
    position: relative;
    overflow: hidden;
}

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

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

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

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

.card-glass {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
}

.dark .card-glass {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   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: all var(--transition-base);
}

.dark .nav {
    background: rgba(2, 6, 23, 0.8);
    border-bottom-color: var(--color-slate-800);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: var(--container-xl);
    margin-inline: auto;
    padding-inline: var(--space-6);
}

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

.nav-logo svg {
    width: 32px;
    height: 32px;
}

.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(--text-secondary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

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

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

.nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.nav-toggle:hover {
    background: var(--bg-tertiary);
}

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

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

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

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.mobile-menu-link {
    padding: var(--space-4);
    font-size: var(--text-lg);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    border-radius: var(--radius-xl);
    transition: all var(--transition-fast);
}

.mobile-menu-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 20%, rgba(124, 58, 237, 0.25) 0%, transparent 50%),
                radial-gradient(circle at 70% 60%, rgba(6, 182, 212, 0.2) 0%, transparent 50%),
                radial-gradient(circle at 50% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
    animation: gradient-rotate 30s linear infinite;
}

@keyframes gradient-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
}

.dark .hero-grid {
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success-500);
    border-radius: var(--radius-full);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

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

.hero-description {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    max-width: 560px;
    margin-bottom: var(--space-8);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.hero-social-proof {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.hero-avatars {
    display: flex;
}

.hero-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: 3px solid var(--bg-primary);
    margin-left: -12px;
    object-fit: cover;
}

.hero-avatar:first-child {
    margin-left: 0;
}

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

.hero-stat strong {
    color: var(--text-primary);
    font-weight: var(--font-semibold);
}

/* ==========================================================================
   ML PIPELINE VISUALIZATION (Signature Component)
   ========================================================================== */

.ml-pipeline {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-3xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-2xl);
    position: relative;
    overflow: hidden;
}

.dark .ml-pipeline {
    background: var(--color-slate-900);
}

.ml-pipeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary-500), var(--color-secondary-500), var(--color-success-500));
}

.pipeline-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-primary);
}

.pipeline-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.pipeline-status {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--color-success-500);
}

.pipeline-status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success-500);
    border-radius: var(--radius-full);
    animation: pulse-dot 2s ease-in-out infinite;
}

.pipeline-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    position: relative;
}

@media (max-width: 768px) {
    .pipeline-steps {
        grid-template-columns: 1fr;
    }
}

.pipeline-connector {
    position: absolute;
    top: 50%;
    left: 33.33%;
    width: 33.33%;
    height: 2px;
    transform: translateY(-50%);
    display: none;
}

@media (min-width: 769px) {
    .pipeline-connector {
        display: block;
    }
}

.connector-line {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary-400), var(--color-secondary-400), var(--color-success-400));
    position: relative;
}

.connector-pulse {
    position: absolute;
    top: 50%;
    left: 0;
    width: 20px;
    height: 20px;
    background: var(--color-primary-500);
    border-radius: var(--radius-full);
    transform: translate(-50%, -50%);
    animation: connector-flow 2s ease-in-out infinite;
}

@keyframes connector-flow {
    0% { left: 0%; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { left: 100%; opacity: 0; }
}

.pipeline-step {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    transition: all var(--transition-base);
    position: relative;
    z-index: 1;
}

.pipeline-step:hover {
    border-color: var(--color-primary-300);
    box-shadow: var(--shadow-md);
}

.dark .pipeline-step:hover {
    border-color: var(--color-primary-700);
}

.pipeline-step.active {
    border-color: var(--color-primary-500);
    box-shadow: var(--glow-primary);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    color: white;
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-3);
}

.step-number.step-2 {
    background: linear-gradient(135deg, var(--color-secondary-500), var(--color-secondary-600));
}

.step-number.step-3 {
    background: linear-gradient(135deg, var(--color-success-500), var(--color-success-600));
}

.step-title {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.step-description {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--space-4);
}

.step-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-primary);
}

.step-meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.step-meta-item svg {
    width: 14px;
    height: 14px;
}

.step-meta-value {
    font-weight: var(--font-semibold);
    color: var(--color-success-500);
}

/* ==========================================================================
   MODEL ACCURACY CHART (Signature Component)
   ========================================================================== */

.accuracy-chart {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
}

.dark .accuracy-chart {
    background: var(--color-slate-900);
}

.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(--text-primary);
}

.chart-legend {
    display: flex;
    gap: var(--space-4);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
}

.legend-dot.training {
    background: var(--color-primary-500);
}

.legend-dot.validation {
    background: var(--color-secondary-500);
}

.chart-container {
    height: 200px;
    position: relative;
    margin-bottom: var(--space-4);
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 100%;
    padding: 0 var(--space-4);
}

.chart-bar-group {
    display: flex;
    gap: var(--space-2);
    align-items: flex-end;
}

.chart-bar {
    width: 24px;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    transition: all var(--transition-spring);
    position: relative;
}

.chart-bar.training {
    background: linear-gradient(to top, var(--color-primary-600), var(--color-primary-400));
}

.chart-bar.validation {
    background: linear-gradient(to top, var(--color-secondary-600), var(--color-secondary-400));
}

.chart-bar:hover {
    transform: scaleY(1.05);
    transform-origin: bottom;
}

.chart-bar::after {
    content: attr(data-value);
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.chart-bar:hover::after {
    opacity: 1;
}

.chart-labels {
    display: flex;
    justify-content: space-around;
    padding: 0 var(--space-4);
}

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

.accuracy-score {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--border-primary);
}

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

.score-value {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-secondary-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.score-label {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}

/* ==========================================================================
   DATA CONNECTORS (Signature Component)
   ========================================================================== */

.data-connectors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-4);
}

.connector-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
}

.connector-card:hover {
    border-color: var(--color-primary-300);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.connector-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-3);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
}

.connector-icon svg {
    width: 24px;
    height: 24px;
    color: var(--text-secondary);
}

.connector-name {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
}

.connector-status {
    font-size: var(--text-xs);
    color: var(--color-success-500);
    margin-top: var(--space-1);
}

/* ==========================================================================
   PREDICTION PREVIEW (Signature Component)
   ========================================================================== */

.prediction-preview {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

.dark .prediction-preview {
    background: var(--color-slate-900);
}

.prediction-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
}

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

.prediction-dot.red { background: #ff5f57; }
.prediction-dot.yellow { background: #febc2e; }
.prediction-dot.green { background: #28c840; }

.prediction-body {
    padding: var(--space-6);
}

.prediction-input {
    margin-bottom: var(--space-6);
}

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

.prediction-field {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
}

.prediction-output {
    background: linear-gradient(135deg, var(--color-slate-900), var(--color-slate-800));
    border-radius: var(--radius-xl);
    padding: var(--space-6);
}

.dark .prediction-output {
    background: linear-gradient(135deg, var(--color-slate-800), var(--color-slate-700));
}

.prediction-result {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.result-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-xl);
}

.result-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-success-400);
}

.result-value {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: white;
}

.result-label {
    font-size: var(--text-sm);
    color: var(--color-slate-400);
}

.confidence-bar {
    height: 8px;
    background: var(--color-slate-700);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-success-500), var(--color-success-400));
    border-radius: var(--radius-full);
    transition: width var(--transition-spring);
}

.confidence-label {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-slate-400);
}

/* ==========================================================================
   FEATURE SECTION
   ========================================================================== */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--space-6);
}

@media (min-width: 640px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    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);
    margin-bottom: var(--space-5);
    box-shadow: 0 8px 20px rgba(244, 63, 94, 0.25);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.feature-icon.violet {
    background: linear-gradient(135deg, var(--color-secondary-500), var(--color-secondary-600));
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.25);
}

.feature-icon.emerald {
    background: linear-gradient(135deg, var(--color-success-500), var(--color-success-600));
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.25);
}

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

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

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

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

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

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

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

.pricing-card.featured {
    border-color: var(--color-primary-500);
    box-shadow: var(--glow-primary);
}

.pricing-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -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);
    white-space: nowrap;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--border-primary);
}

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

.pricing-description {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--space-4);
}

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

.pricing-currency {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.pricing-amount {
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    line-height: 1;
}

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

.pricing-predictions {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--color-primary-500);
    margin-top: var(--space-2);
}

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

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

.pricing-feature svg {
    width: 20px;
    height: 20px;
    color: var(--color-success-500);
    flex-shrink: 0;
}

.pricing-feature.disabled {
    color: var(--text-tertiary);
}

.pricing-feature.disabled svg {
    color: var(--color-slate-400);
}

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

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--space-6);
}

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

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

.testimonial-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    border-color: var(--color-primary-200);
    box-shadow: var(--shadow-lg);
}

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

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

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

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.testimonial-info {
    flex: 1;
}

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

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

.testimonial-logo {
    height: 24px;
    opacity: 0.5;
}

/* ==========================================================================
   STATS SECTION
   ========================================================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-item {
    text-align: center;
    padding: var(--space-6);
}

.stat-value {
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-secondary-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: var(--space-2);
}

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

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

.cta-section {
    position: relative;
    padding: var(--space-20) 0;
    overflow: hidden;
}

.cta-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
    z-index: -1;
}

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

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

.cta-title {
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-4);
}

.cta-description {
    font-size: var(--text-xl);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--space-8);
}

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

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

.btn-white:hover {
    background: var(--color-slate-100);
    transform: translateY(-2px);
}

.btn-white-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-white-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

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

.footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr repeat(4, 1fr);
    }
}

.footer-brand {
    grid-column: span 2;
}

@media (min-width: 1024px) {
    .footer-brand {
        grid-column: span 1;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.footer-logo svg {
    width: 32px;
    height: 32px;
}

.footer-description {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--space-6);
    max-width: 280px;
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

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

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

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

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

.footer-link {
    display: block;
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

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

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

@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(--text-tertiary);
}

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

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

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

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

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.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; }

/* ==========================================================================
   HOVER EFFECTS
   ========================================================================== */

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

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.hover-glow {
    transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
    box-shadow: var(--glow-primary);
}

/* ==========================================================================
   FORMS
   ========================================================================== */

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

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

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

.form-input:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px rgba(244, 63, 94, 0.1);
}

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

textarea.form-input {
    min-height: 120px;
    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 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
}

/* ==========================================================================
   BADGES & TAGS
   ========================================================================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
}

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

.dark .badge-primary {
    background: rgba(244, 63, 94, 0.2);
    color: var(--color-primary-400);
}

.badge-success {
    background: var(--color-success-100);
    color: var(--color-success-600);
}

.dark .badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success-400);
}

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

.dark .badge-secondary {
    background: rgba(139, 92, 246, 0.2);
    color: var(--color-secondary-400);
}

/* ==========================================================================
   LOGOS SECTION
   ========================================================================== */

.logos-section {
    padding: var(--space-12) 0;
    border-bottom: 1px solid var(--border-primary);
}

.logos-label {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--space-8);
}

.logos-grid {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
}

.logo-item {
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}

.logo-item:hover {
    opacity: 1;
}

.logo-item svg {
    height: 32px;
    width: auto;
}

/* ==========================================================================
   SECTION HEADERS
   ========================================================================== */

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto var(--space-16);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-4);
    background: var(--color-primary-100);
    color: var(--color-primary-700);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.dark .section-label {
    background: rgba(244, 63, 94, 0.2);
    color: var(--color-primary-400);
}

.section-title {
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-4);
}

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

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

.blog-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.blog-card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

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

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

.blog-card-content {
    padding: var(--space-6);
}

.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-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.blog-card-date {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.blog-card-title {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    line-height: var(--leading-snug);
}

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

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

.team-card {
    text-align: center;
}

.team-avatar {
    width: 160px;
    height: 160px;
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-5);
    overflow: hidden;
    border: 4px solid var(--border-primary);
    transition: all var(--transition-base);
}

.team-card:hover .team-avatar {
    border-color: var(--color-primary-500);
    transform: scale(1.05);
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-name {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.team-role {
    font-size: var(--text-sm);
    color: var(--color-primary-500);
    margin-bottom: var(--space-3);
}

.team-bio {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}

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

.integration-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    transition: all var(--transition-base);
}

.integration-card:hover {
    border-color: var(--color-primary-300);
    box-shadow: var(--shadow-md);
}

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

.integration-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    flex-shrink: 0;
}

.integration-icon svg {
    width: 32px;
    height: 32px;
}

.integration-info {
    flex: 1;
}

.integration-name {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.integration-description {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}

.integration-status {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--color-success-500);
}

.integration-status::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-success-500);
    border-radius: var(--radius-full);
}

/* ==========================================================================
   PAGE HERO (Inner pages)
   ========================================================================== */

.page-hero {
    padding: calc(72px + var(--space-16)) 0 var(--space-16);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
}

.page-hero-content {
    max-width: 720px;
}

.page-hero-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-4);
    background: var(--color-primary-100);
    color: var(--color-primary-700);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.dark .page-hero-label {
    background: rgba(244, 63, 94, 0.2);
    color: var(--color-primary-400);
}

.page-hero-title {
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-4);
}

.page-hero-description {
    font-size: var(--text-xl);
    color: var(--text-secondary);
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */

.faq-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-4);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    text-align: left;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: var(--bg-tertiary);
}

.faq-icon {
    width: 24px;
    height: 24px;
    color: var(--text-tertiary);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    display: none;
    padding: 0 var(--space-6) var(--space-5);
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-answer p {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

/* ==========================================================================
   LOGIN/AUTH FORMS
   ========================================================================== */

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

.auth-card {
    width: 100%;
    max-width: 440px;
    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-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

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

.auth-subtitle {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}

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

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

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

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

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

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

.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-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.social-auth-btn svg {
    width: 20px;
    height: 20px;
}

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

.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;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    z-index: 10000;
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary-500);
    color: white;
    font-weight: var(--font-medium);
    transition: top var(--transition-fast);
}

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

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

/* ==========================================================================
   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;
    }

    .hero-gradient {
        animation: none;
    }

    .connector-pulse {
        animation: none;
    }
}

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

@media print {
    .nav,
    .footer,
    .skip-link,
    .btn {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    a {
        text-decoration: underline;
    }

    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
}

/* ==========================================================================
   SCROLLBAR STYLES
   ========================================================================== */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-slate-400);
    border-radius: 5px;
}

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

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

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

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

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

.mx-auto { margin-inline: auto; }
.my-auto { margin-block: auto; }

.w-full { width: 100%; }
.h-full { height: 100%; }

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

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

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

.py-4 { padding-block: var(--space-4); }
.py-6 { padding-block: var(--space-6); }
.py-8 { padding-block: var(--space-8); }
.py-12 { padding-block: var(--space-12); }
.py-16 { padding-block: var(--space-16); }
.py-20 { padding-block: var(--space-20); }

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

.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-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

.rounded { border-radius: var(--radius-md); }
.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); }

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-50 { z-index: 50; }

.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Responsive visibility */
@media (min-width: 640px) {
    .sm\:flex { display: flex; }
    .sm\:hidden { display: none; }
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
    .md\:flex { display: flex; }
    .md\:hidden { display: none; }
    .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
    .lg\:flex { display: flex; }
    .lg\:hidden { display: none; }
    .lg\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
    .lg\:gap-12 { gap: var(--space-12); }
}

/* ==========================================================================
   AUTOML SIGNATURE COMPONENTS
   ========================================================================== */

/* Neural Network Visualization */
.neural-network {
    position: relative;
    padding: var(--space-8);
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(6, 182, 212, 0.1));
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-3xl);
    overflow: hidden;
}

.neural-network::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary-500), var(--color-secondary-400), var(--color-primary-500));
    background-size: 200% 100%;
    animation: gradient-flow 3s linear infinite;
}

@keyframes gradient-flow {
    0% { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

.nn-layers {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    position: relative;
}

.nn-layer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
}

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

.nn-node {
    width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
    background: var(--color-primary-500);
    box-shadow: var(--glow-primary);
    animation: node-pulse 2s ease-in-out infinite;
}

.nn-node:nth-child(odd) {
    animation-delay: 0.5s;
}

.nn-node.cyan {
    background: var(--color-secondary-400);
    box-shadow: var(--glow-cyan);
}

.nn-node.success {
    background: var(--color-success-400);
    box-shadow: var(--glow-success);
}

@keyframes node-pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; }
}

.nn-label {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--text-tertiary);
    text-align: center;
}

.nn-connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* Model Metrics Card */
.metrics-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    position: relative;
    overflow: hidden;
}

.metrics-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-primary-500), var(--color-secondary-400));
}

.metrics-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.metrics-title {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
}

.metrics-value {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    background: linear-gradient(135deg, var(--color-primary-400), var(--color-secondary-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metrics-change {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
}

.metrics-change.positive {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success-400);
}

.metrics-change.negative {
    background: rgba(244, 63, 94, 0.2);
    color: #f87171;
}

/* Training Progress */
.training-progress {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
}

.progress-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

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

.progress-status {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-secondary-400);
}

.progress-status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-secondary-400);
    border-radius: var(--radius-full);
    animation: pulse-dot 2s ease-in-out infinite;
}

.progress-bar-container {
    height: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-4);
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary-500), var(--color-secondary-400));
    border-radius: var(--radius-full);
    transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

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

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

.progress-stat-value {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

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

/* Loss Chart Visualization */
.loss-chart {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
}

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

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

.loss-chart-legend {
    display: flex;
    gap: var(--space-4);
}

.loss-legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.loss-legend-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
}

.loss-legend-dot.training {
    background: var(--color-primary-500);
}

.loss-legend-dot.validation {
    background: var(--color-secondary-400);
}

.loss-chart-container {
    height: 200px;
    position: relative;
    display: flex;
    align-items: flex-end;
    gap: 2px;
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--border-primary);
}

.loss-bar {
    flex: 1;
    background: linear-gradient(180deg, var(--color-primary-500), var(--color-primary-600));
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    transition: height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.loss-bar.validation {
    background: linear-gradient(180deg, var(--color-secondary-400), var(--color-secondary-500));
}

.loss-bar:hover {
    transform: scaleY(1.02);
    transform-origin: bottom;
}

/* Feature Importance */
.feature-importance {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border-secondary);
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-name {
    flex: 0 0 120px;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
}

.feature-bar-container {
    flex: 1;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.feature-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary-500), var(--color-secondary-400));
    border-radius: var(--radius-full);
    transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-value {
    flex: 0 0 50px;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-secondary-400);
    text-align: right;
}

/* Data Pipeline Diagram */
.pipeline-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-8);
    flex-wrap: wrap;
}

.pipeline-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-6);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    min-width: 140px;
    transition: all var(--transition-base);
}

.pipeline-node:hover {
    border-color: var(--color-primary-400);
    transform: translateY(-4px);
    box-shadow: var(--glow-primary);
}

.pipeline-node-icon {
    width: 48px;
    height: 48px;
    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);
}

.pipeline-node-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.pipeline-node-icon.cyan {
    background: linear-gradient(135deg, var(--color-secondary-400), var(--color-secondary-500));
}

.pipeline-node-icon.success {
    background: linear-gradient(135deg, var(--color-success-400), var(--color-success-500));
}

.pipeline-node-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.pipeline-arrow {
    color: var(--color-primary-400);
    opacity: 0.6;
}

/* Model Card */
.model-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.model-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary-500), var(--color-secondary-400));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.model-card:hover {
    border-color: var(--color-primary-400);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

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

.model-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.model-card-icon {
    width: 48px;
    height: 48px;
    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);
}

.model-card-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.model-card-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    border-radius: var(--radius-full);
}

.model-card-status.active {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success-400);
}

.model-card-status.training {
    background: rgba(6, 182, 212, 0.2);
    color: var(--color-secondary-400);
}

.model-card-status.draft {
    background: rgba(148, 163, 184, 0.2);
    color: var(--color-slate-400);
}

.model-card-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.model-card-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.model-card-stats {
    display: flex;
    gap: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-primary);
}

.model-stat {
    flex: 1;
}

.model-stat-value {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

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

/* Dataset Card */
.dataset-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

.dataset-card:hover {
    border-color: var(--color-secondary-400);
    transform: translateY(-2px);
}

.dataset-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.dataset-card-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(6, 182, 212, 0.2);
    border-radius: var(--radius-lg);
}

.dataset-card-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-secondary-400);
}

.dataset-card-info {
    flex: 1;
}

.dataset-card-name {
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.dataset-card-meta {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.dataset-card-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
}

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

.dataset-stat-value {
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

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

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

.experiment-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 15px;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-primary-500), var(--color-secondary-400));
}

.experiment-item {
    position: relative;
    padding: var(--space-4) 0;
    padding-left: var(--space-6);
}

.experiment-item::before {
    content: '';
    position: absolute;
    left: -22px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: var(--bg-primary);
    border: 3px solid var(--color-primary-500);
    border-radius: var(--radius-full);
}

.experiment-item.success::before {
    background: var(--color-success-400);
    border-color: var(--color-success-400);
}

.experiment-item.running::before {
    background: var(--color-secondary-400);
    border-color: var(--color-secondary-400);
    animation: pulse-dot 2s ease-in-out infinite;
}

.experiment-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
}

.experiment-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.experiment-name {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

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

.experiment-metrics {
    display: flex;
    gap: var(--space-4);
}

.experiment-metric {
    font-size: var(--text-xs);
    color: var(--text-secondary);
}

.experiment-metric strong {
    color: var(--color-secondary-400);
}

/* Code Block Styling */
.code-block {
    background: #0d1117;
    border: 1px solid var(--border-primary);
    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: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid var(--border-primary);
}

.code-lang {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--text-tertiary);
}

.code-copy {
    font-size: var(--text-xs);
    color: var(--color-secondary-400);
    background: none;
    border: none;
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.code-content {
    padding: var(--space-4);
    overflow-x: auto;
}

.code-content pre {
    margin: 0;
    background: transparent;
}

.code-content code {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: #e6edf3;
    background: transparent;
}

/* API Endpoint Card */
.api-endpoint {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.api-endpoint-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-primary);
}

.api-method {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    font-family: var(--font-mono);
    border-radius: var(--radius-md);
}

.api-method.get {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success-400);
}

.api-method.post {
    background: rgba(6, 182, 212, 0.2);
    color: var(--color-secondary-400);
}

.api-method.put {
    background: rgba(251, 191, 36, 0.2);
    color: var(--color-warning-400);
}

.api-method.delete {
    background: rgba(244, 63, 94, 0.2);
    color: #f87171;
}

.api-path {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--text-primary);
}

.api-endpoint-body {
    padding: var(--space-4);
}

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