/* ============================================
   APPNEA WEBSITE - STYLES
   Theme: Deep Ocean / Electric Cyan
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Matching App Theme */
    --deep-blue: #0A1628;
    --deep-blue-light: #0F1E32;
    --surface-1: #131E2E;
    --surface-2: #1A2744;
    --surface-3: #243352;
    
    --electric-cyan: #00D4FF;
    --ocean-blue: #0EA5E9;
    --accent-orange: #FB923C;
    --accent-green: #22C55E;
    --accent-purple: #A78BFA;
    --accent-pink: #EC4899;
    --negative: #EF4444;
    
    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.4);
    
    /* Gradients */
    --hero-gradient: linear-gradient(135deg, #00D4FF 0%, #0EA5E9 50%, #3B82F6 100%);
    --orange-gradient: linear-gradient(135deg, #FB923C 0%, #F97316 100%);
    --green-gradient: linear-gradient(135deg, #22C55E 0%, #16A34A 100%);
    --purple-gradient: linear-gradient(135deg, #A78BFA 0%, #8B5CF6 100%);
    
    /* Typography */
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--deep-blue);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

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

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: rgba(10, 22, 40, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    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 {
    width: 36px;
    height: 36px;
    color: var(--electric-cyan);
}

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

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
}

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

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--electric-cyan);
    border-radius: var(--radius-full);
}

.nav-cta {
    padding: var(--space-sm) var(--space-lg);
    background: var(--hero-gradient);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    color: white;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.3);
}

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

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-4xl) 0;
    position: relative;
    overflow: hidden;
}

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

.hero-gradient {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.08) 0%, transparent 60%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, rgba(0, 212, 255, 0.3), transparent),
        radial-gradient(2px 2px at 40% 70%, rgba(0, 212, 255, 0.2), transparent),
        radial-gradient(2px 2px at 60% 20%, rgba(0, 212, 255, 0.3), transparent),
        radial-gradient(2px 2px at 80% 60%, rgba(0, 212, 255, 0.2), transparent);
    animation: particlesFloat 20s linear infinite;
}

@keyframes particlesFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-waves {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
}

.hero-waves svg {
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    max-width: 600px;
    padding-left: calc((100vw - 1200px) / 2 + var(--space-lg));
    padding-right: var(--space-lg);
}

@media (max-width: 1200px) {
    .hero-content {
        padding-left: var(--space-lg);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--electric-cyan);
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.6s ease;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--electric-cyan);
    border-radius: 50%;
    animation: pulse 2s 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, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.6s ease 0.1s backwards;
}

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

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

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

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

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 500px;
    animation: fadeInUp 0.6s ease 0.2s backwards;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 0.6s ease 0.3s backwards;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition-normal);
}

.btn svg {
    width: 20px;
    height: 20px;
}

.btn-primary {
    background: var(--hero-gradient);
    color: white;
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: var(--surface-2);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: var(--surface-3);
    border-color: rgba(255, 255, 255, 0.2);
}

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

.btn-outline:hover {
    background: rgba(0, 212, 255, 0.1);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    animation: fadeInUp 0.6s ease 0.4s backwards;
}

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

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

/* Hero Visual */
.hero-visual {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    animation: floatPhone 6s ease-in-out infinite;
}

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

.phone-frame {
    width: 280px;
    height: 580px;
    background: linear-gradient(145deg, #1a1a1a 0%, #0a0a0a 100%);
    border-radius: 48px;
    padding: 12px;
    position: relative;
    box-shadow: 
        0 50px 100px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.phone-notch {
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 32px;
    background: #000;
    border-radius: 20px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--deep-blue);
    border-radius: 40px;
    overflow: hidden;
    position: relative;
}

.phone-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: -1;
}

/* App Preview inside phone */
.app-preview {
    padding: var(--space-2xl) var(--space-md) var(--space-md);
}

.app-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.app-icon-small {
    width: 32px;
    height: 32px;
    background: var(--hero-gradient);
    border-radius: var(--radius-md);
}

.app-header span {
    font-size: 1.25rem;
    font-weight: 700;
}

.app-card {
    background: var(--surface-1);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    margin-bottom: var(--space-md);
}

.card-value {
    font-size: 3rem;
    font-weight: 800;
    background: var(--hero-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card-value span {
    font-size: 1.5rem;
    -webkit-text-fill-color: var(--text-secondary);
}

.card-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: var(--space-sm) 0;
}

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

.card-tags span {
    font-size: 0.7rem;
    padding: 4px 10px;
    background: var(--surface-2);
    border-radius: var(--radius-full);
    color: var(--text-tertiary);
}

.app-chart {
    background: var(--surface-1);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

/* Floating Cards */
.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(19, 30, 46, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-1 {
    top: 20%;
    right: 80%;
    animation: floatCard1 5s ease-in-out infinite;
}

.card-2 {
    bottom: 25%;
    right: 75%;
    animation: floatCard2 6s ease-in-out infinite;
}

@keyframes floatCard1 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-10px, -10px); }
}

@keyframes floatCard2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(10px, -15px); }
}

.fc-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.fc-icon svg {
    width: 22px;
    height: 22px;
}

.fc-icon-cyan {
    background: rgba(0, 212, 255, 0.15);
    color: var(--electric-cyan);
}

.fc-icon-orange {
    background: rgba(251, 146, 60, 0.15);
    color: var(--accent-orange);
}

.fc-content {
    display: flex;
    flex-direction: column;
}

.fc-value {
    font-size: 1.25rem;
    font-weight: 700;
}

.fc-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* ============================================
   FEATURES PREVIEW
   ============================================ */

.features-preview {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-tag {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--electric-cyan);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
}

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

.feature-card {
    background: var(--surface-1);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.feature-large {
    grid-column: span 1;
    grid-row: span 2;
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    color: var(--electric-cyan);
}

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

.feature-icon-orange {
    background: rgba(251, 146, 60, 0.1);
    color: var(--accent-orange);
}

.feature-icon-green {
    background: rgba(34, 197, 94, 0.1);
    color: var(--accent-green);
}

.feature-icon-purple {
    background: rgba(167, 139, 250, 0.1);
    color: var(--accent-purple);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.feature-visual {
    margin-top: var(--space-xl);
}

.lestage-demo {
    background: var(--surface-2);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.lestage-slider {
    height: 8px;
    background: var(--surface-3);
    border-radius: var(--radius-full);
    position: relative;
    margin-bottom: var(--space-md);
}

.slider-fill {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 65%;
    background: var(--hero-gradient);
    border-radius: var(--radius-full);
}

.slider-thumb {
    position: absolute;
    left: 65%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.lestage-value {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--electric-cyan);
}

.features-cta {
    text-align: center;
    margin-top: var(--space-2xl);
}

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

.testimonials {
    padding: var(--space-4xl) 0;
    background: var(--deep-blue-light);
}

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

.testimonial-card {
    background: var(--surface-1);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.testimonial-card.featured {
    background: linear-gradient(145deg, var(--surface-2) 0%, var(--surface-1) 100%);
    border-color: rgba(0, 212, 255, 0.2);
    transform: scale(1.02);
}

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

.testimonial-card p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    font-style: italic;
}

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

.author-avatar {
    width: 44px;
    height: 44px;
    background: var(--hero-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

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

.author-name {
    font-weight: 600;
}

.author-role {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

/* ============================================
   DOWNLOAD SECTION
   ============================================ */

.download {
    padding: var(--space-4xl) 0;
    position: relative;
    overflow: hidden;
}

.download-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.download-gradient {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
}

.download-content {
    position: relative;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.download-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.download-content p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.store-btn {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    background: var(--surface-1);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
}

.store-btn:hover {
    background: var(--surface-2);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.store-btn svg {
    width: 32px;
    height: 32px;
}

.store-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.store-text span {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.store-text strong {
    font-size: 1.1rem;
}

.download-features {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
}

.df-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.df-item svg {
    width: 18px;
    height: 18px;
    color: var(--accent-green);
}

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

.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background: var(--deep-blue-light);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-brand p {
    color: var(--text-secondary);
    margin-top: var(--space-md);
    max-width: 280px;
    font-size: 0.95rem;
}

.footer-links h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.footer-links a {
    display: block;
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-sm);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

/* ============================================
   PAGE HEADER
   ============================================ */

.page-header {
    padding: calc(var(--space-4xl) + 80px) 0 var(--space-3xl);
    position: relative;
    text-align: center;
}

.page-header-short {
    padding-bottom: var(--space-2xl);
}

.page-header-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.page-header h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.page-header p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* ============================================
   FEATURE DETAIL
   ============================================ */

.feature-detail {
    padding: var(--space-4xl) 0;
}

.feature-detail-alt {
    background: var(--deep-blue-light);
}

.feature-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.feature-detail-grid.reverse {
    direction: rtl;
}

.feature-detail-grid.reverse > * {
    direction: ltr;
}

.feature-detail-icon {
    width: 64px;
    height: 64px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    color: var(--electric-cyan);
}

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

.feature-detail-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.feature-detail-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.feature-list li {
    display: flex;
    gap: var(--space-md);
}

.feature-list-icon {
    width: 28px;
    height: 28px;
    min-width: 28px;
    background: rgba(0, 212, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--electric-cyan);
}

.feature-list-icon svg {
    width: 14px;
    height: 14px;
}

.feature-list-icon-orange {
    background: rgba(251, 146, 60, 0.15);
    color: var(--accent-orange);
}

.feature-list-icon-green {
    background: rgba(34, 197, 94, 0.15);
    color: var(--accent-green);
}

.feature-list-icon-purple {
    background: rgba(167, 139, 250, 0.15);
    color: var(--accent-purple);
}

.feature-list li div {
    display: flex;
    flex-direction: column;
}

.feature-list li strong {
    font-size: 1rem;
    margin-bottom: 2px;
}

.feature-list li span {
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

/* Feature Phone Mockups */
.feature-phone {
    display: flex;
    justify-content: center;
}

.phone-frame-small {
    width: 240px;
    height: 500px;
    background: linear-gradient(145deg, #1a1a1a 0%, #0a0a0a 100%);
    border-radius: 40px;
    padding: 10px;
    position: relative;
    box-shadow: 
        0 40px 80px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.1);
}

.phone-notch-small {
    position: absolute;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 28px;
    background: #000;
    border-radius: 16px;
    z-index: 10;
}

.phone-screen-small {
    width: 100%;
    height: 100%;
    background: var(--deep-blue);
    border-radius: 32px;
    overflow: hidden;
}

.phone-glow-small {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: -1;
}

.phone-glow-orange {
    background: radial-gradient(circle, rgba(251, 146, 60, 0.15) 0%, transparent 70%);
}

.phone-glow-green {
    background: radial-gradient(circle, rgba(34, 197, 94, 0.15) 0%, transparent 70%);
}

.phone-glow-purple {
    background: radial-gradient(circle, rgba(167, 139, 250, 0.15) 0%, transparent 70%);
}

/* Demo Screens */
.demo-lestage,
.demo-training,
.demo-safe,
.demo-journal {
    padding: calc(var(--space-2xl) + 10px) var(--space-md) var(--space-md);
    height: 100%;
}

.demo-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.demo-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
}

.demo-icon-cyan {
    background: var(--hero-gradient);
}

.demo-icon-orange {
    background: var(--orange-gradient);
}

.demo-icon-green {
    background: var(--green-gradient);
}

.demo-icon-purple {
    background: var(--purple-gradient);
}

.demo-header span {
    font-size: 1rem;
    font-weight: 700;
}

/* Lestage Demo */
.demo-result {
    text-align: center;
    margin-bottom: var(--space-xs);
}

.demo-value {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--hero-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.demo-unit {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.demo-subtitle {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-lg);
}

.demo-params {
    display: flex;
    justify-content: space-around;
    background: var(--surface-1);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
}

.demo-param {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.param-label {
    font-size: 0.65rem;
    color: var(--text-tertiary);
}

.param-value {
    font-size: 0.8rem;
    font-weight: 600;
}

.demo-chart-container {
    background: var(--surface-1);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
}

/* Training Demo */
.demo-timer {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.timer-ring {
    position: relative;
    width: 140px;
    height: 140px;
}

.timer-ring svg {
    width: 100%;
    height: 100%;
}

.timer-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.timer-big {
    font-size: 2rem;
    font-weight: 800;
}

.timer-small {
    font-size: 1rem;
    color: var(--text-tertiary);
}

.demo-hr {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    background: var(--surface-1);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.hr-icon {
    width: 20px;
    height: 20px;
    animation: heartbeat 1s infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.hr-value {
    font-size: 1.5rem;
    font-weight: 700;
}

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

/* Safe Demo */
.safe-status {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.safe-ring {
    width: 100px;
    height: 100px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.safe-ring-pulse {
    position: absolute;
    inset: 0;
    border: 2px solid var(--accent-green);
    border-radius: 50%;
    animation: safePulse 2s infinite;
}

@keyframes safePulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.safe-ring-inner {
    width: 70px;
    height: 70px;
    background: rgba(34, 197, 94, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
}

.safe-ring-inner svg {
    width: 32px;
    height: 32px;
}

.safe-label {
    font-weight: 600;
    color: var(--accent-green);
}

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

.safe-contacts {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

.safe-contact {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.contact-avatar {
    width: 40px;
    height: 40px;
    background: var(--surface-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.safe-contact span {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Journal Demo */
.journal-entry {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--surface-1);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
}

.entry-badge {
    width: 50px;
    height: 50px;
    background: var(--hero-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
}

.entry-badge-alt {
    background: var(--ocean-blue);
}

.entry-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.entry-name {
    font-size: 0.85rem;
    font-weight: 600;
}

.entry-tags {
    display: flex;
    gap: 4px;
}

.entry-tags span {
    font-size: 0.6rem;
    padding: 2px 6px;
    background: var(--surface-2);
    border-radius: var(--radius-full);
    color: var(--text-tertiary);
}

.entry-date {
    font-size: 0.65rem;
    color: var(--text-tertiary);
}

/* ============================================
   WATCH SECTION
   ============================================ */

.watch-section {
    padding: var(--space-4xl) 0;
    background: linear-gradient(180deg, var(--deep-blue) 0%, var(--deep-blue-light) 100%);
}

.watch-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.watch-content h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.watch-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 450px;
}

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

.watch-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--surface-1);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
}

.watch-feature svg {
    width: 20px;
    height: 20px;
    color: var(--electric-cyan);
}

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

.watch-mockup {
    position: relative;
}

.watch-frame {
    width: 180px;
    height: 220px;
    background: linear-gradient(145deg, #2a2a2a 0%, #1a1a1a 100%);
    border-radius: 44px;
    padding: 12px;
    position: relative;
}

.watch-screen {
    width: 100%;
    height: 100%;
    background: var(--deep-blue);
    border-radius: 36px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.watch-app {
    text-align: center;
}

.watch-timer {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--space-sm);
}

.watch-hr {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    font-size: 1.25rem;
    font-weight: 600;
}

.watch-hr-icon {
    color: var(--negative);
    animation: heartbeat 1s infinite;
}

.watch-crown {
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 30px;
    background: linear-gradient(180deg, #3a3a3a 0%, #2a2a2a 100%);
    border-radius: 4px;
}

.watch-glow {
    position: absolute;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: -1;
}

/* ============================================
   CONTACT PAGE
   ============================================ */

.contact-section {
    padding: var(--space-3xl) 0 var(--space-4xl);
}

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

.contact-form-container h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.contact-form-container > p {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-md);
    background: var(--surface-1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--electric-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.4)' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    background-size: 18px;
}

.form-group select option {
    background: var(--surface-1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Contact Info */
.info-card {
    background: var(--surface-1);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.info-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

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

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--surface-2);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.contact-method:hover {
    background: var(--surface-3);
}

.cm-icon {
    width: 44px;
    height: 44px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--electric-cyan);
}

.cm-icon svg {
    width: 20px;
    height: 20px;
}

.cm-icon-pink {
    background: rgba(236, 72, 153, 0.1);
    color: var(--accent-pink);
}

.cm-icon-orange {
    background: rgba(251, 146, 60, 0.1);
    color: var(--accent-orange);
}

.cm-content {
    display: flex;
    flex-direction: column;
}

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

.cm-value {
    font-weight: 600;
}

/* FAQ */
.faq-section h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

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

.faq-item {
    background: var(--surface-1);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    cursor: pointer;
    font-weight: 500;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary span {
    flex: 1;
}

.faq-item summary svg {
    width: 20px;
    height: 20px;
    color: var(--text-tertiary);
    transition: var(--transition-fast);
}

.faq-item[open] summary svg {
    transform: rotate(180deg);
}

.faq-item p {
    padding: 0 var(--space-lg) var(--space-lg);
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Support Banner */
.support-banner {
    padding: var(--space-2xl) 0;
    background: var(--surface-1);
}

.support-content {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    max-width: 700px;
    margin: 0 auto;
}

.support-icon {
    width: 64px;
    height: 64px;
    min-width: 64px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--electric-cyan);
}

.support-icon svg {
    width: 28px;
    height: 28px;
}

.support-text h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.support-text p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        padding-top: 120px;
    }
    
    .hero-content {
        padding: 0 var(--space-lg);
        text-align: center;
        max-width: 100%;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        position: relative;
        width: 100%;
        margin-top: var(--space-3xl);
    }
    
    .floating-card {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .feature-large {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card.featured {
        transform: none;
    }
    
    .feature-detail-grid,
    .feature-detail-grid.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }
    
    .feature-detail-visual {
        order: -1;
    }
    
    .watch-section .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .watch-content p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .watch-visual {
        order: -1;
        margin-bottom: var(--space-xl);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-cta {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .stat-divider {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-large {
        grid-column: span 1;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    
    .download-features {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .watch-features {
        grid-template-columns: 1fr;
    }
    
    .support-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .phone-frame {
        width: 240px;
        height: 500px;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
}