/* ========================================
   PEAKLINE LANDING PAGE - STYLES
   ======================================== */

/* ----------------------------------------
   CSS VARIABLES (Design Tokens)
   ---------------------------------------- */
:root {
    /* Base Colors */
    --color-background: #000000;
    --color-background-alt: #121212;
    --color-surface: #1C1C1E;
    --color-surface-variant: #2C2C2E;
    --color-divider: #38383A;
    
    /* Text Colors */
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #8E8E93;
    --color-text-tertiary: #48484A;
    
    /* Brand & Semantic Colors */
    --color-primary: #FFFFFF;
    --color-on-primary: #000000;
    --color-accent: #0A84FF;
    --color-water: #448AFF;
    --color-nutrition: #FF9F0A;
    --color-success: #30D158;
    --color-error: #FF453A;
    --color-sleep: #BF5AF2;
    --color-protein: #FF375F;
    --color-carbs: #0A84FF;
    --color-fat: #FFD60A;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #30D158 0%, #0A84FF 100%);
    --gradient-blue: linear-gradient(135deg, #0A84FF 0%, #BF5AF2 100%);
    --gradient-green: linear-gradient(135deg, #30D158 0%, #34C759 100%);
    --gradient-glow: radial-gradient(circle, rgba(48, 209, 88, 0.15) 0%, transparent 70%);
    
    /* 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: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 4.5rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow-green: 0 0 60px rgba(48, 209, 88, 0.3);
    --shadow-glow-blue: 0 0 60px rgba(10, 132, 255, 0.3);
    
    /* Z-Index */
    --z-navbar: 100;
    --z-modal: 200;
}

/* ----------------------------------------
   RESET & BASE
   ---------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-background);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

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

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

/* ----------------------------------------
   NAVIGATION
   ---------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-navbar);
    padding: var(--spacing-md) var(--spacing-xl);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: var(--font-size-xl);
}

.logo-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.logo-icon {
    color: var(--color-success);
    font-size: var(--font-size-2xl);
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
}

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

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

.nav-cta {
    background: var(--color-primary);
    color: var(--color-on-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
}

.nav-cta:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow-green);
}

/* ----------------------------------------
   BUTTONS
   ---------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
    cursor: pointer;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(255, 255, 255, 0.2);
}

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

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

.btn-large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-lg);
}

.apple-icon,
.play-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

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

.hero-background {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

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

.hero-glow-1 {
    width: 600px;
    height: 600px;
    background: var(--color-success);
    top: -200px;
    right: -100px;
    opacity: 0.15;
    animation: pulse 8s ease-in-out infinite;
}

.hero-glow-2 {
    width: 500px;
    height: 500px;
    background: var(--color-accent);
    bottom: -100px;
    left: -200px;
    opacity: 0.1;
    animation: pulse 10s ease-in-out infinite reverse;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-surface);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    width: fit-content;
    border: 1px solid var(--color-divider);
}

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

.badge-logo {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

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

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-divider);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

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

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-divider);
}

.hero-device {
    position: relative;
    display: flex;
    justify-content: center;
}

.device-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: var(--color-success);
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.2;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 4s ease-in-out infinite;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--color-text-tertiary);
    border-bottom: 2px solid var(--color-text-tertiary);
    transform: rotate(45deg);
    animation: bounce 2s ease-in-out infinite;
}

/* ----------------------------------------
   IPHONE DEVICE FRAME
   ---------------------------------------- */
.iphone-frame {
    position: relative;
    width: 280px;
    background: linear-gradient(145deg, #2a2a2a 0%, #1a1a1a 100%);
    border-radius: 50px;
    padding: 12px;
    box-shadow: 
        0 0 0 1px rgba(255, 255, 255, 0.1),
        0 25px 50px rgba(0, 0, 0, 0.5),
        inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.iphone-frame::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 12px;
    right: 12px;
    bottom: 12px;
    border-radius: 40px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    pointer-events: none;
}

.iphone-notch {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    justify-content: center;
}

.dynamic-island {
    width: 100px;
    height: 32px;
    background: #000;
    border-radius: 20px;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.iphone-screen {
    border-radius: 40px;
    overflow: hidden;
    background: var(--color-background);
    aspect-ratio: 9 / 19.5;
}

.iphone-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.iphone-button {
    position: absolute;
    right: -3px;
    top: 120px;
    width: 4px;
    height: 80px;
    background: linear-gradient(180deg, #3a3a3a 0%, #2a2a2a 100%);
    border-radius: 0 2px 2px 0;
}

.iphone-small {
    width: 220px;
}

.iphone-small .iphone-frame {
    border-radius: 40px;
    padding: 10px;
}

.iphone-small .iphone-screen {
    border-radius: 32px;
}

.iphone-small .dynamic-island {
    width: 80px;
    height: 26px;
}

/* ----------------------------------------
   SECTIONS (General)
   ---------------------------------------- */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-4xl) var(--spacing-xl);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-4xl);
}

.section-tag {
    display: inline-block;
    background: rgba(48, 209, 88, 0.1);
    color: var(--color-success);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.section-tag-blue {
    background: rgba(10, 132, 255, 0.1);
    color: var(--color-accent);
}

.section-tag-green {
    background: rgba(48, 209, 88, 0.1);
    color: var(--color-success);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ----------------------------------------
   FEATURES SECTION
   ---------------------------------------- */
.features {
    background: var(--color-background-alt);
    position: relative;
}

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

.feature-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--color-divider);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-text-tertiary);
    box-shadow: var(--shadow-lg);
}

.feature-large {
    grid-column: span 3;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.feature-large .feature-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature-large .feature-visual {
    display: flex;
    justify-content: center;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.feature-icon-green {
    background: rgba(48, 209, 88, 0.15);
}

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

.feature-icon-blue {
    background: rgba(10, 132, 255, 0.15);
}

.feature-icon-blue svg {
    color: var(--color-accent);
}

.feature-icon-purple {
    background: rgba(191, 90, 242, 0.15);
}

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

.feature-icon-orange {
    background: rgba(255, 159, 10, 0.15);
}

.feature-icon-orange svg {
    color: var(--color-nutrition);
}

.feature-icon-cyan {
    background: rgba(68, 138, 255, 0.15);
}

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

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.feature-list li::before {
    content: '✓';
    color: var(--color-success);
    font-weight: 600;
}

.feature-mini-visual {
    margin-top: auto;
    padding-top: var(--spacing-md);
}

/* Streak Demo */
.streak-demo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(48, 209, 88, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.streak-flame {
    font-size: var(--font-size-2xl);
}

.streak-count {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-success);
}

.streak-label {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* Heatmap Demo */
.heatmap-demo {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.heatmap-row {
    display: flex;
    gap: 4px;
}

.heatmap-cell {
    width: 16px;
    height: 16px;
    border-radius: 3px;
    background: rgba(48, 209, 88, calc(var(--level) * 0.8));
    transition: var(--transition-fast);
}

.heatmap-cell:hover {
    transform: scale(1.2);
}

/* Dimensions Demo */
.dimensions-demo {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.dimension-bar {
    height: 24px;
    background: var(--color-surface-variant);
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
}

.dimension-bar::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--width);
    background: var(--color);
    border-radius: var(--radius-sm);
    transition: width 1s ease;
}

.dimension-bar span {
    position: relative;
    z-index: 1;
    padding-left: var(--spacing-sm);
    font-size: var(--font-size-xs);
    line-height: 24px;
    color: var(--color-text-primary);
    font-weight: 500;
}

/* Notification Demo */
.notification-demo {
    background: var(--color-surface-variant);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.notif-style {
    font-size: var(--font-size-sm);
    font-style: italic;
    color: var(--color-nutrition);
}

/* Metrics Demo */
.metrics-demo {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.metric-chip {
    background: var(--color-surface-variant);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

/* ----------------------------------------
   ELITES SECTION
   ---------------------------------------- */
.elites {
    background: var(--color-background);
    overflow: hidden;
}

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

.elites-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.elite-names {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.elite-category h4 {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.elite-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.elite-chip {
    background: var(--color-surface);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-divider);
    transition: var(--transition-fast);
}

.elite-chip:hover {
    background: var(--color-surface-variant);
    color: var(--color-text-primary);
    border-color: var(--color-text-tertiary);
}

.elites-devices {
    position: relative;
    height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.device-stack {
    position: relative;
    width: 100%;
    height: 100%;
}

.device-stack .iphone-frame {
    position: absolute;
    transition: var(--transition-slow);
}

.device-stack .iphone-back {
    top: 50%;
    left: 50%;
    transform: translate(-30%, -55%) rotate(-8deg);
    opacity: 0.7;
}

.device-stack .iphone-front {
    top: 50%;
    left: 50%;
    transform: translate(-70%, -45%) rotate(4deg);
    z-index: 2;
}

.device-stack:hover .iphone-back {
    transform: translate(-20%, -55%) rotate(-12deg);
}

.device-stack:hover .iphone-front {
    transform: translate(-80%, -45%) rotate(8deg);
}

/* ----------------------------------------
   AI COACH SECTION
   ---------------------------------------- */
.ai-coach {
    background: linear-gradient(180deg, var(--color-background-alt) 0%, var(--color-background) 100%);
    overflow: hidden;
}

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

.ai-device {
    position: relative;
    display: flex;
    justify-content: center;
}

.ai-glow {
    position: absolute;
    width: 350px;
    height: 350px;
    background: var(--color-accent);
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.floating-bubble {
    position: absolute;
    background: var(--color-surface);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-divider);
    box-shadow: var(--shadow-md);
    white-space: nowrap;
    animation: float 6s ease-in-out infinite;
    z-index: 10;
}

.bubble-1 {
    top: 10%;
    left: -20%;
    animation-delay: 0s;
}

.bubble-2 {
    top: 40%;
    right: -30%;
    animation-delay: 2s;
}

.bubble-3 {
    bottom: 15%;
    left: -15%;
    animation-delay: 4s;
}

.ai-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.ai-capabilities {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.capability-card {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-divider);
    text-align: center;
}

.capability-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.capability-card h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.capability-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.notification-styles {
    background: var(--color-surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-divider);
}

.notification-styles h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
}

.style-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.style-option {
    display: grid;
    grid-template-columns: auto 100px 1fr;
    gap: var(--spacing-md);
    align-items: center;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.style-option:hover {
    background: var(--color-surface-variant);
}

.style-active {
    background: rgba(48, 209, 88, 0.1);
    border: 1px solid rgba(48, 209, 88, 0.3);
}

.style-icon {
    font-size: var(--font-size-xl);
}

.style-name {
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.style-preview {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-style: italic;
}

/* ----------------------------------------
   STATS SECTION
   ---------------------------------------- */
.stats-section {
    background: var(--color-background);
    overflow: hidden;
}

.stats-carousel {
    margin: var(--spacing-3xl) 0;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.carousel-track {
    display: flex;
    gap: var(--spacing-xl);
    animation: scroll 30s linear infinite;
    width: fit-content;
}

.carousel-track:hover {
    animation-play-state: paused;
}

.carousel-item {
    flex-shrink: 0;
}

.carousel-item .iphone-frame {
    width: 240px;
    transition: var(--transition-base);
}

.carousel-item:hover .iphone-frame {
    transform: scale(1.05);
}

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

.highlight-card {
    background: var(--color-surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-divider);
    text-align: center;
    transition: var(--transition-base);
}

.highlight-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-success);
    box-shadow: 0 0 30px rgba(48, 209, 88, 0.1);
}

.highlight-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.highlight-card h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.highlight-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ----------------------------------------
   FINAL CTA SECTION
   ---------------------------------------- */
.final-cta {
    position: relative;
    padding: var(--spacing-4xl) var(--spacing-xl);
    text-align: center;
    overflow: hidden;
}

.cta-background {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.cta-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(150px);
}

.cta-glow-1 {
    width: 600px;
    height: 600px;
    background: var(--color-success);
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.1;
}

.cta-glow-2 {
    width: 400px;
    height: 400px;
    background: var(--color-accent);
    bottom: -100px;
    right: 10%;
    opacity: 0.1;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.cta-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cta-buttons .btn {
    min-width: 260px;
}

.cta-note {
    margin-top: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

/* ----------------------------------------
   FOOTER
   ---------------------------------------- */
.footer {
    background: var(--color-surface);
    padding: var(--spacing-4xl) var(--spacing-xl) var(--spacing-xl);
    border-top: 1px solid var(--color-divider);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-4xl);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: var(--font-size-xl);
}

.footer-logo .logo-img {
    width: 36px;
    height: 36px;
}

.footer-brand p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    max-width: 250px;
}

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

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

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

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

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

.footer-bottom {
    max-width: 1200px;
    margin: var(--spacing-3xl) auto 0;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-divider);
    text-align: center;
}

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

/* ----------------------------------------
   ANIMATIONS
   ---------------------------------------- */
@keyframes pulse {
    0%, 100% {
        opacity: 0.15;
        transform: scale(1);
    }
    50% {
        opacity: 0.25;
        transform: scale(1.1);
    }
}

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

@keyframes bounce {
    0%, 100% {
        transform: translateY(0) rotate(45deg);
    }
    50% {
        transform: translateY(10px) rotate(45deg);
    }
}

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

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-240px * 5 - var(--spacing-xl) * 5));
    }
}

/* Animation classes for scroll reveal */
.animate-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

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

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    transition-delay: var(--delay, 0s);
}

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

/* ----------------------------------------
   RESPONSIVE DESIGN
   ---------------------------------------- */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        align-items: center;
    }
    
    .hero-subtitle {
        max-width: 100%;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-device {
        order: -1;
    }
    
    .features-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .feature-large {
        grid-column: span 2;
    }
    
    .elites-layout,
    .ai-layout {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .elites-content,
    .ai-content {
        align-items: center;
    }
    
    .elites-devices {
        height: 500px;
    }
    
    .ai-device {
        order: -1;
    }
    
    .ai-capabilities {
        grid-template-columns: 1fr;
    }
    
    .floating-bubble {
        display: none;
    }
    
    .stats-highlights {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        align-items: center;
    }
    
    .footer-links {
        justify-items: center;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-6xl: 3rem;
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero {
        padding-top: calc(60px + var(--spacing-2xl));
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-stats {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stat-divider {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-large {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }
    
    .feature-large .feature-visual {
        order: -1;
    }
    
    .device-stack .iphone-back {
        transform: translate(-50%, -55%) rotate(-5deg);
    }
    
    .device-stack .iphone-front {
        transform: translate(-50%, -45%) rotate(5deg);
    }
    
    .style-option {
        grid-template-columns: auto 1fr;
    }
    
    .style-preview {
        grid-column: span 2;
    }
    
    .stats-highlights {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

@media (max-width: 480px) {
    .section-container {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .iphone-frame {
        width: 240px;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}

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