/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    color: #ffffff;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: #000000;
    overflow: hidden;
    line-height: 1.6;
    position: relative;
    height: 100vh;
}

/* Background effects */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.015'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.5rem 3rem;
    backdrop-filter: blur(20px);
    background: rgba(0, 0, 0, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-text {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.2em;
    background: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Main content */
.main-content {
    position: relative;
    z-index: 2;
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    padding-bottom: 100px;
}

.hero-section {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    height: 100%;
}

.hero-content {
    max-width: 500px;
}

.hero-title {
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 0.9;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 50%, #a0a0a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.title-subtitle {
    display: block;
    font-size: 1rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 0.5rem;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    line-height: 1.6;
    font-weight: 300;
}

.cta-section {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
    max-width: fit-content;
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.download-btn:hover::before {
    left: 100%;
}

.download-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.btn-icon {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.download-btn:hover .btn-icon {
    transform: translateX(4px);
}

.version-info {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.05em;
}

/* Hero visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 100%;
}

.phone-mockup {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

#mockup {
    max-width: 80%;
    max-height: 70vh;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
    transition: transform 0.3s ease;
    z-index: 2;
    position: relative;
}

.phone-mockup:hover #mockup {
    transform: scale(1.02);
}

.mockup-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(120, 119, 198, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    z-index: 1;
    animation: glow 4s ease-in-out infinite alternate;
}

@keyframes glow {
    0% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* Footer */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.5rem 3rem;
    backdrop-filter: blur(20px);
    background: rgba(0, 0, 0, 0.8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links {
    display: flex;
    gap: 1.5rem;
    justify-content: flex-end;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 1.1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(20px);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Typewriter animation */
.typewriter::after {
    content: "|";
    display: inline-block;
    animation: blink 0.7s infinite;
    color: rgba(255, 255, 255, 0.8);
}

.typewriter.done::after {
    content: "";
}

@keyframes blink {
    50% { 
        opacity: 0; 
    }
}

/* Responsive design */
@media (max-width: 1024px) {
    .hero-section {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .cta-section {
        align-items: center;
    }
    
    #mockup {
        max-width: 60%;
        max-height: 50vh;
    }
    
    .main-content {
        padding-top: 70px;
        padding-bottom: 90px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 1rem 2rem;
    }
    
    .main-content {
        padding-top: 60px;
        padding-bottom: 80px;
    }
    
    .hero-section {
        padding: 0 2rem;
        gap: 1.5rem;
    }
    
    .title-line {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    #mockup {
        max-width: 70%;
        max-height: 45vh;
    }
    
    .footer {
        padding: 1rem 2rem;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 0.75rem 1.5rem;
    }
    
    .hero-section {
        padding: 0 1.5rem;
    }
    
    .title-line {
        font-size: clamp(1.8rem, 10vw, 2.5rem);
    }
    
    .download-btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    #mockup {
        max-width: 80%;
        max-height: 40vh;
    }
    
    .footer {
        padding: 0.75rem 1.5rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection styles */
::selection {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

::-moz-selection {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}