/* ==========================================================================
   CSS Variables & Reset
   ========================================================================== */
   :root {
    --bg-color: #050508;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    
    /* Brand Colors */
    --accent-purple: #8256d0;
    --accent-pink: #d946ef;
    --accent-blue: #0078D4;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(16px);
    
    /* Utility */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-color);
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    line-height: 1.2;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ==========================================================================
   Background Effects (Abstract Orbs & Stars)
   ========================================================================== */
.bg-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.5;
    animation: float 20s infinite ease-in-out alternate;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(130,86,208,0.4) 0%, rgba(0,0,0,0) 70%);
    top: -10%;
    left: -10%;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0,120,212,0.3) 0%, rgba(0,0,0,0) 70%);
    bottom: -20%;
    right: -10%;
    animation-delay: -5s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(217,70,239,0.2) 0%, rgba(0,0,0,0) 70%);
    top: 40%;
    left: 40%;
    animation-delay: -10s;
}

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

/* ==========================================================================
   Glassmorphism Utilities
   ========================================================================== */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(5, 5, 8, 0.8);
    backdrop-filter: blur(12px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.logo img {
    height: 36px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

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

.nav-links a:hover {
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(255,255,255,0.3);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 100px;
}

.gradient-text {
    font-size: clamp(3.5rem, 8vw, 6rem);
    font-weight: 800;
    letter-spacing: -2px;
    background: linear-gradient(135deg, #fff 0%, #a1a1aa 50%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 30px rgba(130,86,208,0.3));
}

.subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--text-secondary);
    margin-bottom: 4rem;
    font-weight: 400;
}

/* Stats Cards */
.stats-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.stat-card {
    padding: 2rem;
    min-width: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease;
}

.stat-card:hover {
    transform: translateY(-10px);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.download-color { color: var(--accent-blue); filter: drop-shadow(0 0 10px rgba(0,120,212,0.5)); }
.version-color { color: var(--accent-pink); filter: drop-shadow(0 0 10px rgba(217,70,239,0.5)); }
.size-color { color: #10b981; filter: drop-shadow(0 0 10px rgba(16,185,129,0.5)); }

.stat-value {
    font-size: 2rem;
    font-weight: 700;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* Buttons */
.cta-group {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: 14px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
    color: white;
    border: none;
}

.glow-effect:hover {
    box-shadow: 0 0 25px rgba(130,86,208,0.6);
    transform: translateY(-3px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-3px);
}

/* ==========================================================================
   App Preview Section
   ========================================================================== */
.preview-section {
    padding: 4rem 0 8rem;
}

.preview-wrapper {
    margin: 0 auto;
    max-width: 1000px;
    padding: 1rem;
    border-radius: 24px;
    position: relative;
}

.window-controls {
    display: flex;
    gap: 8px;
    margin-bottom: 1rem;
    padding: 0.5rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.close { background-color: #ff5f56; }
.minimize { background-color: #ffbd2e; }
.maximize { background-color: #27c93f; }

.app-screenshot {
    width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.05);
}

/* ==========================================================================
   Features Section
   ========================================================================== */
.features-section {
    padding: 5rem 0 10rem;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 5rem;
    font-size: 1.2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2.5rem;
    transition: var(--transition);
}

.feature-card:hover {
    background: rgba(255,255,255,0.06);
    transform: translateY(-5px);
    border-color: rgba(255,255,255,0.15);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    background: rgba(255,255,255,0.05);
}

.icon-blue { color: #3b82f6; box-shadow: 0 0 20px rgba(59,130,246,0.2); }
.icon-green { color: #10b981; box-shadow: 0 0 20px rgba(16,185,129,0.2); }
.icon-red { color: #ef4444; box-shadow: 0 0 20px rgba(239,68,68,0.2); }
.icon-purple { color: #a855f7; box-shadow: 0 0 20px rgba(168,85,247,0.2); }
.icon-cyan { color: #06b6d4; box-shadow: 0 0 20px rgba(6,182,212,0.2); }
.icon-orange { color: #f59e0b; box-shadow: 0 0 20px rgba(245,158,11,0.2); }

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.glass-footer {
    background: rgba(5,5,8,0.8);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.footer-logo {
    height: 30px;
    filter: grayscale(100%) opacity(0.5);
    transition: var(--transition);
}

.footer-logo:hover {
    filter: grayscale(0%) opacity(1);
}

.footer-left p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-socials {
    display: flex;
    gap: 1.5rem;
}

.footer-socials a {
    color: var(--text-secondary);
    font-size: 1.5rem;
    transition: var(--transition);
}

.footer-socials a:hover {
    color: var(--text-primary);
    transform: translateY(-3px);
}

/* ==========================================================================
   Animations
   ========================================================================== */
.fade-in {
    animation: fadeIn 1s ease-out forwards;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Can be replaced with a hamburger menu later */
    }
    
    .stats-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .cta-group {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}