/* GitSwipe "Nano Banana" Theme */
:root {
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.4);
    --secondary: #a855f7;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent-success: #22c55e;
    --accent-error: #ef4444;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, .logo {
    font-family: var(--font-heading);
    font-weight: 700;
}

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

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

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    font-size: 1.5rem;
    color: var(--text-main);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

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

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

.github-link {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 99px;
    color: var(--text-main) !important;
}

.github-link:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6rem 5% 0;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
    z-index: 10;
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 480px;
}

.cta-group {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 99px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 10px 25px -5px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px -5px var(--primary-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Hero Visual (Mockup) */
.hero-visual {
    position: relative;
    width: 400px;
    height: 700px;
    flex-shrink: 0;
    margin-right: 5%;
}

.phone-mockup {
    width: 320px;
    height: 640px;
    background: #000;
    border-radius: 40px;
    border: 8px solid #333;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #111;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.app-card {
    background: #1e1e1e;
    border-radius: 16px;
    padding: 1.5rem;
    height: 480px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

.repo-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.repo-avatar {
    width: 48px;
    height: 48px;
    background: #333;
    border-radius: 50%;
}

.repo-meta {
    flex: 1;
}

.repo-name-line {
    height: 12px;
    background: #444;
    border-radius: 4px;
    width: 60%;
    margin-bottom: 8px;
}

.repo-stars-line {
    height: 8px;
    background: #333;
    border-radius: 4px;
    width: 30%;
}

.repo-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.text-line {
    height: 8px;
    background: #2a2a2a;
    border-radius: 4px;
}
.w-80 { width: 80%; }
.w-90 { width: 90%; }
.w-70 { width: 70%; }
.w-60 { width: 60%; }

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
}

.action-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border: 2px solid;
    cursor: pointer;
}

.action-btn.pass {
    border-color: var(--accent-error);
    color: var(--accent-error);
}

.action-btn.star {
    border-color: var(--accent-success);
    color: var(--accent-success);
}

/* Blobs */
.blob {
    position: absolute;
    filter: blur(80px);
    z-index: 1;
    opacity: 0.6;
    animation: float 10s infinite ease-in-out;
}

.blob-1 {
    width: 300px;
    height: 300px;
    background: var(--primary);
    top: 10%;
    right: -20%;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
}

.blob-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary);
    bottom: -10%;
    left: -20%;
    border-radius: 70% 30% 30% 70% / 60% 40% 60% 40%;
    animation-delay: -5s;
}

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

/* Features Section */
.features {
    padding: 8rem 0;
    background: linear-gradient(to bottom, var(--bg-dark), #0b1120);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 20px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.feature-card p {
    color: var(--text-muted);
}

/* Download Section */
.download-section {
    padding: 8rem 0;
    text-align: center;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
}

.download-section h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.download-section p {
    color: var(--text-muted);
    font-size: 1.25rem;
    margin-bottom: 3rem;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.store-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: white;
    color: #000;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.store-btn:hover:not(.disabled) {
    transform: scale(1.05);
}

.store-btn.disabled {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.4);
    cursor: not-allowed;
}

.store-icon {
    font-size: 2rem;
}

.store-text {
    display: flex;
    flex-direction: column;
    align-items: start;
    font-weight: 700;
    font-size: 1.2rem;
    line-height: 1.2;
}

.store-text small {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

/* Footer */
footer {
    padding: 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

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

/* Responsive */
@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 8rem;
    }

    .hero-content {
        margin-bottom: 4rem;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .hero-visual {
        margin-right: 0;
        transform: scale(0.9);
    }
}

@media (max-width: 600px) {
    .nav-links {
        display: none;
    }
}