/* Reset and Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #1e1b4b;
    --accent: #f97316;
    --background: #0f0d1a;
    --surface: #1a1625;
    --surface-light: #252136;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --success: #22c55e;
    --kick: #ef4444;
    --snare: #3b82f6;
    --hh: #eab308;
    --radius: 12px;
    --radius-lg: 20px;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.25rem; }

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

.section-title {
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 48px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

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

.btn-secondary:hover {
    background: var(--surface);
    transform: translateY(-2px);
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.875rem;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    background: rgba(15, 13, 26, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
    font-size: 1.125rem;
}

.logo-icon-img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

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

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

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, var(--background) 0%, var(--surface) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    transform: translateX(-50%);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin: 24px 0 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-note {
    margin-top: 16px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Phone Mockup */
.hero-image {
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.phone-mockup {
    width: 280px;
    height: 580px;
    background: #1a1a1a;
    border-radius: 40px;
    padding: 12px;
    box-shadow:
        0 50px 100px rgba(0, 0, 0, 0.5),
        inset 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--surface);
    border-radius: 32px;
    overflow: hidden;
}

.phone-screen .screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--surface);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--surface-light);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Patterns Showcase */
.patterns-showcase {
    padding: 100px 0;
    background: var(--background);
}

.patterns-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 48px;
}

.pattern-card {
    background: var(--surface);
    padding: 24px;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.pattern-card h4 {
    margin-bottom: 16px;
    font-size: 1rem;
}

.pattern-visual {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
}

.p-beat {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    background: var(--surface-light);
    color: var(--text-muted);
}

.p-beat.accent { background: var(--accent); color: white; }
.p-beat.kick { background: var(--kick); color: white; }
.p-beat.snare { background: var(--snare); color: white; }
.p-beat.hh { background: var(--hh); color: var(--background); }
.p-beat.custom {
    background: transparent;
    border: 2px dashed var(--text-muted);
}

.pattern-card p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--surface) 0%, var(--background) 100%);
}

.store-badge img {
    height: 54px;
    transition: transform 0.2s;
}

.store-badge:hover img {
    transform: scale(1.05);
}

.pricing-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 700px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--surface);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.pricing-card.pro {
    border-color: var(--primary);
    position: relative;
}

.pro-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--primary);
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
}

.pricing-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.pricing-card ul {
    list-style: none;
}

.pricing-card li {
    padding: 8px 0;
    color: var(--text-muted);
    position: relative;
    padding-left: 24px;
}

.pricing-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
}

.price {
    margin-top: 24px;
    font-size: 2rem;
    font-weight: 700;
}

.price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-muted);
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: var(--background);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .patterns-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .phone-mockup {
        width: 240px;
        height: 500px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .patterns-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-comparison {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px 24px;
    }

    .nav-links a:not(.btn) {
        display: none;
    }
}

@media (max-width: 480px) {
    .patterns-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}