/* === CSS VARIABLES === */
:root {
    --bg-deep: #050505;
    --bg-dark: #0a0a0a;
    --bg-card: #111111;
    --accent: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.15);
    --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6);
    --success: #10b981;
    --warning: #f59e0b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: #1e293b;
    --font-sans: 'Inter', system-ui, sans-serif;
    --max-width: 1200px;
}

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-deep);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* === NAVIGATION === */
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(5, 5, 5, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

.btn-nav {
    background: var(--accent);
    color: white !important;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    transition: transform 0.2s, background 0.2s;
}

.btn-nav:hover {
    background: #4f46e5;
    transform: translateY(-1px);
}

/* === HERO SECTION === */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 70%);
}

.tagline {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.btn-primary, .btn-secondary, .btn-download-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

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

.hero-note {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    animation: bounce 2s infinite;
}

.hero-scroll svg {
    width: 24px;
    height: 24px;
}

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

/* === FEATURES SECTION === */
.features {
    padding: 6rem 0;
    background: var(--bg-dark);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 10px 40px var(--accent-glow);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.feature-list {
    list-style: none;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.feature-list li {
    padding: 0.25rem 0;
}

/* === OOTB BANNER === */
.ootb-banner {
    padding: 4rem 0;
    background: var(--accent-glow);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

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

.ootb-icon {
    font-size: 4rem;
}

.ootb-text h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.ootb-text p {
    color: var(--text-muted);
    max-width: 500px;
}

.ootb-checks {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    font-weight: 500;
}

/* === SCREENSHOTS === */
.screenshots {
    padding: 6rem 0;
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.screenshot-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.screenshot-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px var(--accent-glow);
}

.screenshot-card img {
    width: 100%;
    height: auto;
    display: block;
}

.screenshot-caption {
    padding: 1rem;
    text-align: center;
    font-weight: 500;
    color: var(--text-muted);
}

/* === DOWNLOAD SECTION === */
.download {
    padding: 6rem 0;
    background: var(--bg-dark);
    text-align: center;
}

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

.download-icon-wrapper {
    margin-bottom: 2rem;
}

.download-icon {
    width: 80px;
    height: 80px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.download h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.download > p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.btn-download-primary {
    background: var(--accent-gradient);
    color: white;
    font-size: 1.1rem;
    padding: 1.25rem 2.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 20px var(--accent-glow);
    flex-direction: column;
}

.btn-download-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.download-size {
    font-size: 0.85rem;
    opacity: 0.8;
    font-weight: 400;
}

.download-alt {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.download-alt a {
    color: var(--accent);
    text-decoration: none;
}

.download-alt .separator {
    margin: 0 0.5rem;
}

.download-note {
    margin-top: 2rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* === FOOTER === */
.footer {
    padding: 4rem 0 2rem;
    background: var(--bg-deep);
    border-top: 1px solid var(--border);
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.footer-brand p {
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border-radius: 50%;
    color: var(--text-main);
    text-decoration: none;
    transition: background 0.2s;
}

.footer-social a:hover {
    background: var(--accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .features-grid,
    .screenshot-grid {
        grid-template-columns: 1fr;
    }
    
    .ootb-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}