/* ==========================================
   MindReef - Design System & Styles
   ========================================== */

/* CSS Custom Properties */
:root {
    /* Colors */
    --color-bg-primary: #050810;
    --color-bg-secondary: #0A0F1E;
    --color-bg-tertiary: #0F1629;
    --color-bg-card: rgba(15, 22, 41, 0.8);
    --color-bg-card-hover: rgba(21, 28, 50, 0.9);

    --color-text-primary: #FFFFFF;
    --color-text-secondary: #A1A1AA;
    --color-text-muted: #71717A;

    --color-purple: #6D28D9;
    --color-purple-light: #8B5CF6;
    --color-purple-dark: #5B21B6;

    --color-cyan: #06B6D4;
    --color-cyan-light: #22D3EE;
    --color-cyan-dark: #0891B2;

    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-info: #3B82F6;

    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-purple) 0%, var(--color-cyan) 100%);
    --gradient-primary-hover: linear-gradient(135deg, var(--color-purple-light) 0%, var(--color-cyan-light) 100%);
    --gradient-glow: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(139, 92, 246, 0.15), transparent 40%);
    --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 100%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --font-size-7xl: 4.5rem;

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    --line-height-tight: 1.1;
    --line-height-snug: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;

    --letter-spacing-tight: -0.025em;
    --letter-spacing-tighter: -0.05em;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    --spacing-32: 8rem;

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

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow-purple: 0 0 40px rgba(139, 92, 246, 0.3);
    --shadow-glow-cyan: 0 0 40px rgba(6, 182, 212, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    --transition-slower: 500ms ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

/* ==========================================
   Reset & Base
   ========================================== */

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

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

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

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

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

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

ul, ol {
    list-style: none;
}

/* ==========================================
   Utilities
   ========================================== */

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

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hide-mobile {
    display: none;
}

@media (min-width: 768px) {
    .hide-mobile {
        display: inline;
    }
}

/* Animation utilities */
.animate-fade-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.6s ease forwards;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   Buttons
   ========================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.btn-lg {
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--font-size-base);
}

.btn-full {
    width: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow-purple);
}

.btn-primary:hover {
    background: var(--gradient-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 60px rgba(139, 92, 246, 0.4);
}

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

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-border-hover);
}

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

.btn-white:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

.btn-ghost-light {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

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

/* ==========================================
   Navigation
   ========================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--spacing-4) 0;
    background: rgba(10, 15, 30, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.nav.scrolled {
    border-bottom-color: var(--color-border);
    background: rgba(10, 15, 30, 0.95);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

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

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

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

.nav-links a {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-text-primary);
}

.nav-link-docs {
    color: var(--color-purple-light) !important;
}

.nav-actions {
    display: none;
    align-items: center;
    gap: var(--spacing-3);
}

.nav-mobile-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-2);
}

.nav-mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.nav-mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }

    .nav-actions {
        display: flex;
    }

    .nav-mobile-toggle {
        display: none;
    }
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-fixed);
    background: var(--color-bg-primary);
    padding: var(--spacing-6);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
}

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

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.mobile-menu-links a {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-3) 0;
    border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
    .mobile-menu {
        display: none;
    }
}

/* ==========================================
   Hero Section
   ========================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-32) var(--spacing-6) var(--spacing-16);
    overflow: hidden;
}

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

.hero-grid {
    position: absolute;
    inset: 0;
    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);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 50% at 50% 50%, black 20%, transparent 100%);
}

.hero-visualization {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.6;
}

.node {
    fill: var(--color-bg-tertiary);
    stroke: var(--color-purple);
    stroke-width: 2;
    filter: drop-shadow(0 0 10px rgba(139, 92, 246, 0.5));
}

.trace-line {
    fill: none;
    stroke: rgba(139, 92, 246, 0.2);
    stroke-width: 2;
}

.pulse {
    fill: var(--color-cyan);
    filter: drop-shadow(0 0 8px var(--color-cyan));
    opacity: 0;
}

/* Pulse animations */
.pulse-1 {
    animation: movePulse1 4s ease-in-out infinite;
}

.pulse-2 {
    animation: movePulse2 4s ease-in-out infinite 0.8s;
}

.pulse-3 {
    animation: movePulse3 4s ease-in-out infinite 1.6s;
}

.pulse-4 {
    animation: movePulse4 4s ease-in-out infinite 2.4s;
}

.pulse-5 {
    animation: movePulse5 4s ease-in-out infinite 3.2s;
}

@keyframes movePulse1 {
    0%, 100% { opacity: 0; }
    5% { opacity: 1; }
    25% { opacity: 1; }
    30% { opacity: 0; }
    0% { transform: translate(150px, 150px); }
    25% { transform: translate(400px, 200px); }
}

@keyframes movePulse2 {
    0%, 100% { opacity: 0; }
    5% { opacity: 1; }
    25% { opacity: 1; }
    30% { opacity: 0; }
    0% { transform: translate(400px, 200px); }
    25% { transform: translate(650px, 300px); }
}

@keyframes movePulse3 {
    0%, 100% { opacity: 0; }
    5% { opacity: 1; }
    25% { opacity: 1; }
    30% { opacity: 0; }
    0% { transform: translate(650px, 300px); }
    25% { transform: translate(900px, 250px); }
}

@keyframes movePulse4 {
    0%, 100% { opacity: 0; }
    5% { opacity: 1; }
    25% { opacity: 1; }
    30% { opacity: 0; }
    0% { transform: translate(900px, 400px); }
    25% { transform: translate(1100px, 300px); }
}

@keyframes movePulse5 {
    0%, 100% { opacity: 0; }
    5% { opacity: 1; }
    25% { opacity: 1; }
    30% { opacity: 0; }
    0% { transform: translate(150px, 450px); }
    25% { transform: translate(400px, 400px); }
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
}

.hero-glow-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    left: -100px;
    background: var(--color-purple);
    opacity: 0.15;
}

.hero-glow-2 {
    width: 500px;
    height: 500px;
    bottom: -150px;
    right: -100px;
    background: var(--color-cyan);
    opacity: 0.15;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-purple-light);
    margin-bottom: var(--spacing-6);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tighter);
    margin-bottom: var(--spacing-6);
}

.hero-title-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-8);
}

.hero-ctas {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    justify-content: center;
    margin-bottom: var(--spacing-12);
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-6);
}

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

.hero-stat-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

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

.hero-stat-divider {
    width: 1px;
    background: var(--color-border);
    display: none;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-6xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-xl);
    }

    .hero-ctas {
        flex-direction: row;
    }

    .hero-stats {
        gap: var(--spacing-10);
    }

    .hero-stat-divider {
        display: block;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-7xl);
    }
}

/* ==========================================
   Logos Section
   ========================================== */

.logos {
    padding: var(--spacing-12) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
}

.logos-title {
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-8);
}

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

.logo-item {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    opacity: 0.5;
    transition: opacity var(--transition-base);
}

.logo-item:hover {
    opacity: 0.8;
}

@media (min-width: 768px) {
    .logos-grid {
        gap: var(--spacing-16);
    }

    .logo-item {
        font-size: var(--font-size-xl);
    }
}

/* ==========================================
   Section Headers
   ========================================== */

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-16);
}

.section-badge {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-4);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-purple-light);
    margin-bottom: var(--spacing-4);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    margin-bottom: var(--spacing-4);
}

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

@media (min-width: 768px) {
    .section-title {
        font-size: var(--font-size-5xl);
    }
}

/* ==========================================
   Features Section
   ========================================== */

.features {
    padding: var(--spacing-24) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

.feature-card {
    position: relative;
    padding: var(--spacing-8);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.feature-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

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

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(139, 92, 246, 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-purple-light);
}

.feature-icon-warning svg {
    stroke: var(--color-warning);
}

.feature-icon-warning {
    background: rgba(245, 158, 11, 0.1);
}

.feature-icon-success svg {
    stroke: var(--color-success);
}

.feature-icon-success {
    background: rgba(16, 185, 129, 0.1);
}

.feature-icon-info svg {
    stroke: var(--color-info);
}

.feature-icon-info {
    background: rgba(59, 130, 246, 0.1);
}

.feature-icon-purple svg {
    stroke: var(--color-cyan);
}

.feature-icon-purple {
    background: rgba(6, 182, 212, 0.1);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-2);
}

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

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

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

/* ==========================================
   How It Works Section
   ========================================== */

.how-it-works {
    padding: var(--spacing-24) 0;
    background: var(--color-bg-secondary);
}

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

.step {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-6);
    padding-bottom: var(--spacing-12);
}

.step:last-child {
    padding-bottom: 0;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: white;
    flex-shrink: 0;
}

.step-connector {
    position: absolute;
    left: 24px;
    top: 56px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-purple) 0%, transparent 100%);
}

.step:last-child .step-connector {
    display: none;
}

.step-content {
    min-width: 0;
}

.step-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-2);
}

.step-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-4);
}

/* Code Block */
.code-block {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.code-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot-red { background: #FF5F56; }
.code-dot-yellow { background: #FFBD2E; }
.code-dot-green { background: #27C93F; }

.code-filename {
    margin-left: auto;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.code-content {
    padding: var(--spacing-4);
    overflow-x: auto;
    font-family: 'Fira Code', 'Monaco', monospace;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.code-content code {
    display: block;
    white-space: pre;
}

.code-prompt { color: var(--color-text-muted); }
.code-keyword { color: var(--color-purple-light); }
.code-function { color: var(--color-cyan); }
.code-decorator { color: var(--color-warning); }
.code-string { color: var(--color-success); }
.code-comment { color: var(--color-text-muted); }
.code-type { color: var(--color-cyan); }
.code-number { color: var(--color-warning); }

/* Dashboard Preview */
.dashboard-preview {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
}

.dashboard-dots {
    display: flex;
    gap: var(--spacing-2);
}

.dashboard-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-text-muted);
    opacity: 0.3;
}

.dashboard-url {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    font-family: monospace;
}

.dashboard-content {
    display: flex;
    min-height: 200px;
}

.dashboard-sidebar {
    width: 60px;
    padding: var(--spacing-4);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.dashboard-nav-item {
    width: 28px;
    height: 28px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
}

.dashboard-nav-item.active {
    background: var(--gradient-primary);
}

.dashboard-main {
    flex: 1;
    padding: var(--spacing-4);
}

.dashboard-trace {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.trace-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
}

.trace-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.trace-status-success {
    background: var(--color-success);
    box-shadow: 0 0 8px var(--color-success);
}

.trace-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.trace-duration {
    margin-left: auto;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.trace-spans {
    padding: var(--spacing-3);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.span {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--color-bg-primary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
}

.span-badge {
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
}

.span-llm .span-badge {
    background: rgba(139, 92, 246, 0.2);
    color: var(--color-purple-light);
}

.span-tool .span-badge {
    background: rgba(59, 130, 246, 0.2);
    color: var(--color-info);
}

.span-name {
    font-weight: var(--font-weight-medium);
}

.span-tokens, .span-time {
    margin-left: auto;
    color: var(--color-text-muted);
}

/* ==========================================
   Demo Section
   ========================================== */

.demo {
    padding: var(--spacing-24) 0;
}

.demo-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    overflow: hidden;
}

.demo-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.demo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
}

.demo-icon svg {
    width: 24px;
    height: 24px;
    stroke: white;
}

.demo-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
}

.demo-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.demo-window {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.demo-window-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
}

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

.demo-window-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-text-muted);
    opacity: 0.3;
}

.demo-window-title {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.demo-window-content {
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.demo-placeholder {
    text-align: center;
    padding: var(--spacing-12);
}

.demo-pulse {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-6);
    background: var(--gradient-primary);
    border-radius: 50%;
    animation: demo-pulse 2s ease-in-out infinite;
}

@keyframes demo-pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
}

.demo-placeholder p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-6);
}

/* ==========================================
   Testimonials Section
   ========================================== */

.testimonials {
    padding: var(--spacing-24) 0;
    background: var(--color-bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

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

.testimonial-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition-base);
}

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

.testimonial-card:hover {
    transform: translateY(-4px);
}

.testimonial-content {
    margin-bottom: var(--spacing-6);
}

.testimonial-content p {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
}

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

.testimonial-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
}

.testimonial-name {
    display: block;
    font-weight: var(--font-weight-semibold);
}

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

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

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

/* ==========================================
   Pricing Section
   ========================================== */

.pricing {
    padding: var(--spacing-24) 0;
}

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

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

.pricing-card:hover {
    border-color: var(--color-border-hover);
}

.pricing-card-featured {
    border-color: var(--color-purple);
    background: linear-gradient(180deg, rgba(139, 92, 246, 0.1) 0%, var(--color-bg-secondary) 100%);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-1) var(--spacing-4);
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: white;
}

.pricing-header {
    margin-bottom: var(--spacing-6);
}

.pricing-name {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-1);
}

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

.pricing-price {
    margin-bottom: var(--spacing-6);
}

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

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

.pricing-features {
    margin-bottom: var(--spacing-8);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-2) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

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

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

/* ==========================================
   CTA Section
   ========================================== */

.cta {
    padding: var(--spacing-24) 0;
}

.cta-card {
    position: relative;
    padding: var(--spacing-16) var(--spacing-8);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    text-align: center;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0.1;
}

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

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-4);
}

.cta-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-8);
}

.cta-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    justify-content: center;
}

@media (min-width: 768px) {
    .cta-card {
        padding: var(--spacing-20) var(--spacing-16);
    }

    .cta-title {
        font-size: var(--font-size-5xl);
    }

    .cta-actions {
        flex-direction: row;
    }
}

/* ==========================================
   Footer
   ========================================== */

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

.footer-top {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-12);
}

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

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

.footer-tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-6);
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: var(--spacing-4);
}

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

.footer-social a:hover {
    background: var(--color-border-hover);
    color: var(--color-text-primary);
}

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

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-8);
}

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

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

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

.footer-column a:hover {
    color: var(--color-text-primary);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

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

.footer-newsletter span {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-2);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    outline: none;
    transition: border-color var(--transition-fast);
}

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

.newsletter-form input:focus {
    border-color: var(--color-purple);
}

@media (min-width: 768px) {
    .footer-top {
        grid-template-columns: 1.5fr 2fr;
    }

    .footer-links {
        grid-template-columns: repeat(4, 1fr);
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .footer-newsletter {
        flex-direction: row;
        align-items: center;
    }
}

/* ==========================================
   Responsive Adjustments
   ========================================== */

@media (max-width: 767px) {
    :root {
        --spacing-24: 4rem;
        --spacing-32: 5rem;
    }

    .section-header {
        margin-bottom: var(--spacing-10);
    }
}

/* Print styles */
@media print {
    .nav, .hero-bg, .cta, .footer {
        display: none;
    }

    body {
        background: white;
        color: black;
    }
}