:root {
    --primary: #8b5cf6;
    --primary-light: #a78bfa;
    --primary-dark: #6d28d9;
    --accent: #00d4ff;
    --bg-dark: #020617;
    --bg-card: rgba(15, 23, 42, 0.6);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --white: #ffffff;
    --shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.5);
    --transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background: var(--bg-dark);
    overflow-x: hidden;
}

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

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: var(--transition);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Header */
header {
    background: rgba(2, 6, 23, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1.25rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

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

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -1px;
}

.logo span {
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--white);
    text-shadow: 0 0 15px rgba(255,255,255,0.3);
}

.lang-switch {
    display: flex;
    background: var(--glass);
    padding: 4px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
}

.lang-btn {
    color: var(--text-muted);
    padding: 6px 14px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 700;
    transition: var(--transition);
}

.lang-btn:hover {
    color: var(--white);
}

.lang-btn.active {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

/* Hero Section */
.hero {
    padding: 14rem 0 10rem;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    left: 50%;
    transform: translateX(-50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle at center, rgba(139, 92, 246, 0.12) 0%, rgba(0, 212, 255, 0.05) 30%, transparent 70%);
    z-index: -1;
    animation: glow-pulse 8s infinite alternate;
}

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

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.6rem 1.4rem;
    background: var(--glass);
    color: var(--primary-light);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2.5rem;
    letter-spacing: 0.5px;
}

h1 {
    font-size: 5.5rem;
    line-height: 1.05;
    margin-bottom: 2rem;
    letter-spacing: -3px;
    font-weight: 800;
}

h1 span {
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.4rem;
    color: var(--text-muted);
    max-width: 750px;
    margin: 0 auto 4rem;
    font-weight: 400;
}

/* Store Buttons - Official Premium Design */
.store-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.store-btn {
    display: inline-flex;
    align-items: center;
    background: #000;
    color: #fff;
    padding: 10px 24px;
    border-radius: 14px;
    text-decoration: none;
    border: 1px solid rgba(255,255,255,0.15);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 190px;
    gap: 14px;
    text-align: left;
}

.store-btn:hover {
    background: #0a0a0a;
    border-color: var(--primary-light);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(139, 92, 246, 0.25);
}

.store-btn svg {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.btn-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.1;
}

.btn-text-top {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.8;
    margin-bottom: 2px;
}

.btn-text-main {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.2px;
}

/* Specific button styles */
.store-btn.android {
    background: #000; /* Keeping it unified dark luxury */
}

/* Mockup Presentation */
.hero-mockup {
    max-width: 1100px;
    margin: 0 auto;
    perspective: 2000px;
}

@keyframes float {
    0% { transform: rotateX(10deg) translateY(0px); box-shadow: 0 50px 100px -20px rgba(0,0,0,0.9), 0 0 0 1px rgba(255,255,255,0.05); }
    50% { transform: rotateX(12deg) translateY(-20px); box-shadow: 0 70px 120px -20px rgba(0,0,0,0.7), 0 0 0 1px rgba(139, 92, 246, 0.2); }
    100% { transform: rotateX(10deg) translateY(0px); box-shadow: 0 50px 100px -20px rgba(0,0,0,0.9), 0 0 0 1px rgba(255,255,255,0.05); }
}

.mockup-container {
    background: #0f172a;
    border: 12px solid #1e293b;
    border-radius: 48px;
    padding: 10px;
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
    transition: var(--transition);
}

.mockup-container:hover {
    animation-play-state: paused;
    transform: rotateX(0deg) scale(1.02) translateY(0);
    border-color: #2dd4bf;
    box-shadow: 0 30px 80px rgba(45, 212, 191, 0.2), 0 0 0 1px rgba(255,255,255,0.1);
}

.mockup-screen {
    border-radius: 32px;
    width: 100%;
    display: block;
    filter: brightness(0.95);
    transition: var(--transition);
}

.mockup-container:hover .mockup-screen {
    filter: brightness(1.05);
}

/* Features Section */
.section { padding: 10rem 0; }

.section-header {
    text-align: center;
    margin-bottom: 6rem;
}

.section-header h2, .content-text h2, .cta-section h2 {
    background: linear-gradient(135deg, #ffffff 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -1.5px;
    font-weight: 800;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: var(--bg-card);
    padding: 4rem 3rem;
    border-radius: 32px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), transparent);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-15px);
    border-color: rgba(139, 92, 246, 0.4);
    box-shadow: 0 30px 60px -12px rgba(0,0,0,0.6);
}

.feature-card:hover::before { opacity: 1; }

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    margin-bottom: 2.5rem;
    box-shadow: 0 10px 20px rgba(139, 92, 246, 0.2);
}

.feature-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1.25rem;
    font-weight: 700;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Content Showcase */
.content-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.content-text h2 {
    font-size: 3.5rem;
    margin-bottom: 2.5rem;
    letter-spacing: -1.5px;
}

.content-list { list-style: none; }
.content-list li {
    margin-bottom: 2rem;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.check-icon {
    width: 28px;
    height: 28px;
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: bold;
    font-size: 0.9rem;
}

.content-list h4 { font-size: 1.2rem; margin-bottom: 0.5rem; color: var(--white); }
.content-list p { color: var(--text-muted); font-size: 1rem; }

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #4c1d95 0%, #1e1b4b 100%);
    padding: 10rem 2rem;
    text-align: center;
    border-radius: 64px;
    position: relative;
    overflow: hidden;
    margin-bottom: 8rem;
    border: 1px solid rgba(255,255,255,0.1);
}

.cta-section::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.cta-section h2 {
    font-size: 4.5rem;
    margin-bottom: 2.5rem;
    letter-spacing: -2px;
}

/* Footer */
footer {
    padding: 6rem 0;
    border-top: 1px solid var(--glass-border);
    text-align: center;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 2.5rem;
    display: inline-block;
    text-decoration: none;
    color: var(--white);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.footer-links a:hover { color: var(--white); }
.copyright { color: #475569; font-size: 0.95rem; }

/* Responsive Mobile Optimization */
@media (max-width: 992px) {
    h1 { font-size: 4rem; }
    .content-showcase { grid-template-columns: 1fr; gap: 4rem; text-align: center; }
    .content-list li { text-align: left; }
    .cta-section h2 { font-size: 3.5rem; }
    .mockup-container { transform: rotateX(5deg); }
}

@media (max-width: 768px) {
    h1 { font-size: 2.8rem; letter-spacing: -1.5px; }
    .hero { padding: 8rem 0 4rem; }
    .hero p { font-size: 1.1rem; margin-bottom: 2.5rem; }
    
    .nav-links { display: none; }
    
    .store-buttons { 
        flex-direction: column; 
        align-items: stretch; 
        max-width: 320px; 
        margin: 0 auto 4rem; 
        gap: 1rem;
    }
    
    .store-btn {
        justify-content: center;
        padding: 12px 20px;
    }

    .section { padding: 5rem 0; }
    .section-header h2 { font-size: 2.2rem; }
    
    .features-grid { grid-template-columns: 1fr; }
    .feature-card { padding: 2.5rem 2rem; }

    .mockup-container { 
        transform: rotateX(0deg); 
        border-width: 8px;
        border-radius: 32px;
    }
    
    .cta-section { border-radius: 32px; padding: 5rem 1.5rem; }
    .cta-section h2 { font-size: 2.5rem; }
}

@media (max-width: 480px) {
    h1 { font-size: 2.4rem; }
    .container { padding: 0 1.5rem; }
    .badge { font-size: 0.75rem; padding: 0.5rem 1rem; }
}