/* ========================================
   CSS Variables & Base Styles
   ======================================== */

:root {
    /* Colors - Modern Dark Theme with Warm Accents */
    --color-bg: #0a0a0b;
    --color-bg-elevated: #111113;
    --color-bg-card: #18181b;
    --color-bg-card-hover: #1f1f23;

    --color-text: #fafafa;
    --color-text-secondary: #a1a1aa;
    --color-text-tertiary: #71717a;

    --color-primary: #10b981;
    --color-primary-dark: #059669;
    --color-primary-light: #34d399;
    --color-primary-glow: rgba(16, 185, 129, 0.3);

    --color-accent: #f59e0b;
    --color-accent-light: #fbbf24;

    --color-border: #27272a;
    --color-border-light: #3f3f46;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    --gradient-text: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent-light) 100%);
    --gradient-card: linear-gradient(145deg, var(--color-bg-card) 0%, var(--color-bg-elevated) 100%);

    /* Typography */
    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--color-primary-glow);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* 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-display);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Page load fade in */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    z-index: 10000;
    pointer-events: none;
    opacity: 1;
    transition: opacity 0.5s ease-out;
}

body.page-loaded::before {
    opacity: 0;
}

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

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

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

ul {
    list-style: none;
}

/* ========================================
   Background Orbs
   ======================================== */

.bg-orbs {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--color-primary);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--color-accent);
    bottom: -150px;
    left: -150px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: #8b5cf6;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
    opacity: 0.2;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.05);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.95);
    }
    75% {
        transform: translate(-30px, -20px) scale(1.02);
    }
}

/* Fade Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

.fade-in-scale {
    animation: fadeInScale 0.5s ease-out forwards;
}

/* Stagger children animations */
.stagger-children > * {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.6s; }

/* ========================================
   Container & Layout
   ======================================== */

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

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: var(--transition-base);
}

.navbar.scrolled {
    border-bottom-color: var(--color-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    height: 1.75rem;
}

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

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

.nav-links a {
    font-size: 0.925rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-base);
    transform-origin: center;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-xl);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

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

.mobile-nav-links a {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.75rem 1.5rem;
    font-size: 0.925rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-bg);
    box-shadow: var(--shadow-md), 0 0 20px rgba(16, 185, 129, 0.2);
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn-primary:hover::after {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(16, 185, 129, 0.35);
}

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

.btn-secondary:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-light);
    transform: translateY(-2px);
}

.btn-ghost {
    color: var(--color-text-secondary);
    padding: 0.5rem 1rem;
}

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

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

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 500px;
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-3xl);
}

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

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

/* Hero Visual / Phone Mockup */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.phone-mockup {
    position: relative;
}

.phone-frame {
    position: relative;
    width: 280px;
    height: 580px;
    background: linear-gradient(145deg, #1a1a1d 0%, #0d0d0e 100%);
    border-radius: 44px;
    padding: 12px;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.1),
        0 25px 50px -12px rgba(0, 0, 0, 0.8),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.phone-notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 28px;
    background: #0a0a0b;
    border-radius: 0 0 20px 20px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #0f0f10;
    border-radius: 36px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.terminal-demo {
    padding: var(--space-xl);
    padding-top: 60px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    flex: 1;
}

.terminal-line {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.terminal-prompt {
    color: var(--color-primary);
}

.terminal-symbol {
    color: var(--color-accent);
}

.terminal-command {
    color: var(--color-text);
}

.terminal-cursor {
    color: var(--color-primary);
    animation: blink 1s step-end infinite;
}

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

.terminal-output {
    color: var(--color-text-secondary);
    font-size: 0.75rem;
    line-height: 1.8;
}

.terminal-output .output-line {
    margin-bottom: var(--space-xs);
}

.terminal-output .success {
    color: var(--color-primary);
}

.terminal-output .info {
    color: var(--color-accent);
}

.phone-glow {
    position: absolute;
    inset: -20px;
    background: radial-gradient(circle at 50% 30%, var(--color-primary-glow) 0%, transparent 60%);
    z-index: -1;
    filter: blur(40px);
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-tertiary);
    font-size: 0.75rem;
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-dot {
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(12px); opacity: 0.3; }
}

/* ========================================
   Section Styles
   ======================================== */

section {
    position: relative;
    padding: var(--space-4xl) 0;
    z-index: 1;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
}

/* ========================================
   Motivation Section
   ======================================== */

.motivation {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-elevated) 100%);
}

.motivation-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.motivation-content {
    max-width: 500px;
}

.motivation-text {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.motivation-text strong {
    color: var(--color-primary);
}

.motivation-text em {
    color: var(--color-text);
    font-style: normal;
}

.motivation-quote {
    margin-top: var(--space-2xl);
    padding-left: var(--space-lg);
    border-left: 3px solid var(--color-primary);
}

.motivation-quote blockquote {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-text);
}

/* Comparison Card */
.comparison-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.comparison-before {
    order: 1;
}

.comparison-divider {
    order: 2;
}

.comparison-after {
    order: 3;
}

.comparison-side {
    padding: var(--space-lg);
}

.comparison-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--color-text-tertiary);
}

.comparison-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.comparison-list li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.925rem;
}

.comparison-list.negative li::before {
    content: "✕";
    color: #ef4444;
    font-weight: 600;
}

.comparison-list.positive li::before {
    content: "✓";
    color: var(--color-primary);
    font-weight: 600;
}

.comparison-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-tertiary);
}

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

.features {
    background: var(--color-bg-elevated);
}

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

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover {
    border-color: var(--color-border-light);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(16, 185, 129, 0.08);
}

.feature-card.feature-large {
    grid-column: span 1;
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.feature-card p {
    font-size: 0.925rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.feature-code {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.feature-code code {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-primary);
    background: rgba(16, 185, 129, 0.1);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
}

/* Features Showcase */
.features-showcase {
    margin-top: var(--space-3xl);
    text-align: center;
}

.showcase-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
    color: var(--color-text-secondary);
}

.command-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
}

.command-tag {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.command-tag:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ========================================
   Screenshots Section
   ======================================== */

.screenshots {
    background: var(--color-bg);
}

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

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

.screenshot-placeholder {
    aspect-ratio: 9/16;
    background: linear-gradient(145deg, #1a1a1d 0%, #0d0d0e 100%);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--space-md);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
}

.screenshot-placeholder.alt {
    background: linear-gradient(145deg, #0d1117 0%, #0a0a0b 100%);
}

.placeholder-terminal {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.placeholder-header {
    display: flex;
    gap: 6px;
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.placeholder-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-border-light);
}

.placeholder-dot:nth-child(1) { background: #ef4444; }
.placeholder-dot:nth-child(2) { background: #f59e0b; }
.placeholder-dot:nth-child(3) { background: #10b981; }

.placeholder-content {
    padding: var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-align: left;
}

.p-line {
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.p-line.dim {
    color: var(--color-text-tertiary);
}

.p-line.accent {
    color: var(--color-primary);
}

.screenshot-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ========================================
   Engineering Section
   ======================================== */

.engineering {
    background: linear-gradient(180deg, var(--color-bg-elevated) 0%, var(--color-bg) 100%);
}

.engineering-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
}

.engineering-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.engineering-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.1);
    transform: translateY(-6px);
}

.engineering-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    color: var(--color-primary);
}

.engineering-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.engineering-card p {
    font-size: 0.925rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Engineering Stats */
.engineering-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.stat-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.stat-number {
    display: block;
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-xs);
}

.stat-text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

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

.testimonials {
    background: var(--color-bg);
    overflow: hidden;
    padding-bottom: var(--space-3xl);
}

/* Testimonials Marquee */
.testimonials-marquee-wrapper {
    position: relative;
    width: 100%;
    overflow: visible;
    padding: var(--space-lg) 0;
    mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}

.testimonials-marquee {
    display: flex;
    gap: var(--space-lg);
    width: max-content;
    animation: marquee 40s linear infinite;
    padding: var(--space-md) 0;
}

.testimonials-marquee:hover {
    animation-play-state: paused;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.testimonial-card {
    flex: 0 0 400px;
    min-width: 400px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

/* Subtle gradient glow on left edge */
.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(
        ellipse at -20% 50%,
        color-mix(in srgb, var(--card-accent, var(--color-primary)) 15%, transparent) 0%,
        transparent 50%
    );
    opacity: 0.8;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

/* Subtle inner glow effect */
.testimonial-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--radius-lg);
    box-shadow: inset 0 0 30px color-mix(in srgb, var(--card-accent, var(--color-primary)) 5%, transparent);
    pointer-events: none;
    transition: box-shadow 0.4s ease;
}

/* Individual card accent colors */
.testimonial-card:nth-child(1),
.testimonial-card:nth-child(7) {
    --card-accent: #10b981; /* Emerald */
}

.testimonial-card:nth-child(2),
.testimonial-card:nth-child(8) {
    --card-accent: #8b5cf6; /* Purple */
}

.testimonial-card:nth-child(3),
.testimonial-card:nth-child(9) {
    --card-accent: #f59e0b; /* Amber */
}

.testimonial-card:nth-child(4),
.testimonial-card:nth-child(10) {
    --card-accent: #ec4899; /* Pink */
}

.testimonial-card:nth-child(5),
.testimonial-card:nth-child(11) {
    --card-accent: #06b6d4; /* Cyan */
}

.testimonial-card:nth-child(6),
.testimonial-card:nth-child(12) {
    --card-accent: #f97316; /* Orange */
}

.testimonial-card:hover {
    border-color: color-mix(in srgb, var(--card-accent, var(--color-primary)) 40%, var(--color-border));
    transform: translateY(-6px) scale(1.02);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 60px color-mix(in srgb, var(--card-accent) 12%, transparent);
}

.testimonial-card:hover::before {
    opacity: 1;
    background: radial-gradient(
        ellipse at -10% 50%,
        color-mix(in srgb, var(--card-accent, var(--color-primary)) 25%, transparent) 0%,
        transparent 60%
    );
}

.testimonial-card:hover::after {
    box-shadow: inset 0 0 40px color-mix(in srgb, var(--card-accent, var(--color-primary)) 10%, transparent);
}

.testimonial-rating {
    color: var(--color-accent);
    font-size: 1rem;
    letter-spacing: 2px;
    margin-bottom: var(--space-md);
}

.testimonial-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: var(--space-xl);
}

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

.author-avatar {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-accent, var(--color-primary));
    border-radius: 50%;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-bg);
    transition: transform 0.3s ease;
}

.testimonial-card:hover .author-avatar {
    transform: scale(1.1);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    font-size: 0.925rem;
}

.author-source {
    font-size: 0.8rem;
    color: var(--color-text-tertiary);
}

/* ========================================
   FAQ Section
   ======================================== */

.faq {
    background: var(--color-bg-elevated);
}

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

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl) 0;
    text-align: left;
    font-size: 1.0625rem;
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-primary);
}

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

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
    opacity: 0;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    opacity: 1;
}

.faq-answer p {
    padding-bottom: var(--space-xl);
    color: var(--color-text-secondary);
    line-height: 1.7;
    transform: translateY(-10px);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-answer p {
    transform: translateY(0);
}

.faq-answer code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-primary);
    background: rgba(16, 185, 129, 0.1);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

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

.cta-section {
    background: var(--color-bg);
    padding: var(--space-4xl) 0;
}

.cta-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-4xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(ellipse, var(--color-primary-glow) 0%, transparent 70%);
    pointer-events: none;
}

.cta-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
    position: relative;
}

.cta-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
    position: relative;
}

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

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

.footer {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    padding: var(--space-4xl) 0 var(--space-2xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
    margin-bottom: var(--space-md);
}

.footer-tagline {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.footer-credit {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

.footer-credit a {
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.footer-credit a:hover {
    color: var(--color-primary-light);
}

.footer-links h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text);
    margin-bottom: var(--space-lg);
}

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

.footer-links a {
    font-size: 0.925rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

.footer-socials {
    display: flex;
    gap: var(--space-md);
}

.footer-socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.footer-socials a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-3xl);
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-subtitle {
        max-width: 600px;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .motivation-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }

    .motivation-content {
        max-width: none;
        text-align: center;
    }

    .motivation-quote {
        border-left: none;
        border-top: 3px solid var(--color-primary);
        padding-left: 0;
        padding-top: var(--space-lg);
        text-align: center;
    }

    .comparison-card {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .comparison-before {
        order: 1;
    }

    .comparison-divider {
        order: 2;
        margin: 0 auto;
    }

    .comparison-after {
        order: 3;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-card.feature-large {
        grid-column: span 2;
    }

    .screenshots-carousel {
        grid-template-columns: repeat(2, 1fr);
    }

    .engineering-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .engineering-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-card.feature-large {
        grid-column: span 1;
    }

    .screenshots-carousel {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .engineering-grid {
        grid-template-columns: 1fr;
    }

    .engineering-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonial-card {
        flex: 0 0 320px;
        min-width: 320px;
    }

    .testimonials-marquee {
        animation-duration: 30s;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        margin-bottom: var(--space-xl);
    }

    .footer-brand .logo {
        justify-content: center;
    }

    .footer-links {
        padding: var(--space-lg) 0;
        border-top: 1px solid var(--color-border);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }

    .cta-card {
        padding: var(--space-2xl);
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .hero-scroll {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .phone-frame {
        width: 240px;
        height: 500px;
    }

    .screenshots-carousel {
        grid-template-columns: 1fr 1fr;
    }

    .screenshot-placeholder {
        aspect-ratio: 9/19;
    }

    .comparison-side {
        padding: var(--space-md);
    }

    .engineering-stats {
        grid-template-columns: 1fr 1fr;
    }

    .stat-number {
        font-size: 2rem;
    }
}