/* ===================================
   LFT HVY - Website Styles
   Cyberpunk Neon Theme
   =================================== */

/* CSS Variables - Matching App Theme */
:root {
    /* Backgrounds */
    --bg-primary: #0A0E27;
    --bg-secondary: #1a1f3a;
    --bg-card: #252b48;
    --bg-surface: #1e2441;

    /* Neon Accents */
    --neon-green: #00ff9f;
    --neon-cyan: #00fff2;
    --neon-blue: #00a6ff;
    --neon-pink: #ff00ff;
    --neon-red: #ff0055;

    /* Text */
    --text-primary: #ffffff;
    --text-secondary: #8b93b8;
    --text-disabled: #4a5072;
    --text-on-neon: #0A0E27;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 48px;
    --spacing-2xl: 80px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-card: 0 4px 8px rgba(0, 0, 0, 0.3);
    --shadow-glow-green: 0 0 20px rgba(0, 255, 159, 0.5);
    --shadow-glow-cyan: 0 0 20px rgba(0, 255, 242, 0.5);
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a:hover {
    color: var(--neon-cyan);
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 159, 0.1);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
}

.nav-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--neon-green);
    letter-spacing: 0.05em;
    text-shadow: 0 0 10px rgba(0, 255, 159, 0.5);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

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

.nav-links a:hover {
    color: var(--neon-green);
    text-shadow: 0 0 10px rgba(0, 255, 159, 0.5);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--neon-green);
    transition: var(--transition-fast);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(0, 255, 159, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(0, 255, 242, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse at 20% 60%, rgba(0, 166, 255, 0.08) 0%, transparent 40%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-logo-container {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-lg);
}

.hero-logo {
    width: 150px;
    height: 150px;
    border-radius: var(--radius-lg);
    position: relative;
    z-index: 1;
    animation: float 3s ease-in-out infinite;
}

.hero-logo-glow {
    position: absolute;
    inset: -20px;
    background: radial-gradient(circle, rgba(0, 255, 159, 0.4) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse-glow 2s ease-in-out infinite;
    z-index: 0;
}

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

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.hero-title {
    margin-bottom: var(--spacing-md);
}

.title-main {
    display: block;
    font-size: clamp(3rem, 10vw, 5rem);
    font-weight: 900;
    color: var(--neon-green);
    letter-spacing: 0.05em;
    text-shadow: 0 0 30px rgba(0, 255, 159, 0.5);
    animation: glow-text 2s ease-in-out infinite alternate;
}

@keyframes glow-text {
    from { text-shadow: 0 0 20px rgba(0, 255, 159, 0.5); }
    to { text-shadow: 0 0 40px rgba(0, 255, 159, 0.8), 0 0 60px rgba(0, 255, 159, 0.4); }
}

.title-sub {
    display: block;
    font-size: clamp(1rem, 3vw, 1.5rem);
    font-weight: 500;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.hero-scroll {
    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(--text-secondary);
    font-size: 0.875rem;
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid var(--neon-green);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--neon-green);
    border-radius: 2px;
    animation: scroll-bounce 1.5s ease-in-out infinite;
}

@keyframes scroll-bounce {
    0%, 100% { top: 8px; opacity: 1; }
    50% { top: 20px; opacity: 0.3; }
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.btn-primary {
    background: var(--neon-green);
    color: var(--text-on-neon);
    box-shadow: var(--shadow-glow-green);
}

.btn-primary:hover {
    background: var(--neon-cyan);
    color: var(--text-on-neon);
    box-shadow: var(--shadow-glow-cyan);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--neon-green);
    border: 2px solid var(--neon-green);
}

.btn-secondary:hover {
    background: rgba(0, 255, 159, 0.1);
    box-shadow: var(--shadow-glow-green);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* ===================================
   Section Styles
   =================================== */
section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

/* ===================================
   Features Section
   =================================== */
.features {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 255, 159, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--neon-green);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-icon.icon-cyan {
    background: rgba(0, 255, 242, 0.1);
    color: var(--neon-cyan);
}

.feature-icon.icon-blue {
    background: rgba(0, 166, 255, 0.1);
    color: var(--neon-blue);
}

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

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* ===================================
   Screenshots Section
   =================================== */
.screenshots {
    background: var(--bg-secondary);
    overflow: hidden;
}

.screenshot-carousel {
    padding: var(--spacing-lg) 0;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.screenshot-carousel::-webkit-scrollbar {
    display: none;
}

.screenshot-track {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-xl);
    width: max-content;
}

.screenshot-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.phone-frame {
    width: 260px;
    height: 520px;
    background: var(--bg-primary);
    border-radius: 36px;
    padding: 8px;
    box-shadow:
        0 0 0 3px var(--bg-card),
        0 20px 40px rgba(0, 0, 0, 0.5),
        0 0 40px rgba(0, 255, 159, 0.1);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.phone-frame:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow:
        0 0 0 3px var(--neon-green),
        0 30px 60px rgba(0, 0, 0, 0.6),
        0 0 60px rgba(0, 255, 159, 0.25);
}

.phone-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 28px;
}

.screenshot-label {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.screenshot-item:hover .screenshot-label {
    color: var(--neon-green);
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--neon-cyan);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===================================
   Stats Section
   =================================== */
.stats {
    background: var(--bg-primary);
    border-top: 1px solid rgba(0, 255, 159, 0.1);
    border-bottom: 1px solid rgba(0, 255, 159, 0.1);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-lg);
}

.stat-number {
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 900;
    color: var(--neon-green);
    text-shadow: 0 0 20px rgba(0, 255, 159, 0.5);
    display: inline;
}

.stat-plus {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    color: var(--neon-cyan);
}

.stat-item .stat-label {
    display: block;
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

/* ===================================
   Download Section
   =================================== */
.download {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    text-align: center;
}

.download-content {
    max-width: 600px;
    margin: 0 auto;
}

.download-note {
    margin-top: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid rgba(0, 255, 159, 0.1);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-logo {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
}

.footer-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--neon-green);
}

.footer-nav {
    display: flex;
    gap: var(--spacing-lg);
}

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

.footer-nav a:hover {
    color: var(--neon-green);
}

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

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
        border-bottom: 1px solid rgba(0, 255, 159, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding-top: 100px;
    }

    .hero-logo {
        width: 120px;
        height: 120px;
    }

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

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

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

    .footer-nav {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }

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

/* ===================================
   Utility Classes
   =================================== */
.text-center { text-align: center; }
.text-neon-green { color: var(--neon-green); }
.text-neon-cyan { color: var(--neon-cyan); }
.glow-green { text-shadow: 0 0 20px rgba(0, 255, 159, 0.5); }
.glow-cyan { text-shadow: 0 0 20px rgba(0, 255, 242, 0.5); }

/* Selection Color */
::selection {
    background: var(--neon-green);
    color: var(--bg-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--bg-card);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-green);
}