/* === Base === */
:root {
    --bg: #0a0b14;
    --bg2: #0f1023;
    --bg3: #161833;
    --surface: #1a1d3a;
    --border: rgba(255,255,255,0.06);
    --text: #e8e9f0;
    --text-dim: #8b8ea8;
    --accent: #a855f7;
    --accent2: #ec4899;
    --accent3: #06b6d4;
    --gradient: linear-gradient(135deg, #a855f7, #ec4899, #f97316);
    --gradient2: linear-gradient(135deg, #06b6d4, #a855f7);
    --radius: 12px;
    --radius-lg: 20px;
}

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

html { scroll-behavior: smooth; }

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

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

/* === Nav === */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(10,11,20,0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: background 0.3s;
}
.nav-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.nav-logo img { height: 32px; border-radius: 4px; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { color: var(--text-dim); text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }

.mobile-menu-btn { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 8px; }
.mobile-menu-btn span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: 0.3s; }

.mobile-menu {
    display: none; position: fixed; top: 64px; left: 0; right: 0; z-index: 99;
    background: var(--bg2); border-bottom: 1px solid var(--border);
    flex-direction: column; padding: 16px 24px; gap: 12px;
}
.mobile-menu a { color: var(--text-dim); text-decoration: none; font-size: 16px; padding: 8px 0; }
.mobile-menu.open { display: flex; }

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: flex; }
}

/* === Buttons === */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 10px 24px; border-radius: 8px; font-weight: 600; font-size: 14px;
    text-decoration: none; border: none; cursor: pointer;
    background: var(--gradient); color: #fff;
    transition: transform 0.2s, box-shadow 0.2s;
    font-family: inherit;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 30px rgba(168,85,247,0.3); }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-full { width: 100%; }
.btn-ghost { background: transparent; border: 1px solid rgba(255,255,255,0.15); }
.btn-ghost:hover { border-color: rgba(255,255,255,0.3); box-shadow: none; }
.btn-pix { background: #32bcad; margin-top: 8px; }
.btn-pix:hover { box-shadow: 0 8px 30px rgba(50,188,173,0.3); }

/* === Hero === */
.hero {
    position: relative; padding: 160px 0 80px; text-align: center; overflow: hidden;
}
.hero-glow {
    position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
    width: 800px; height: 600px; border-radius: 50%;
    background: radial-gradient(circle, rgba(168,85,247,0.15) 0%, rgba(236,72,153,0.08) 40%, transparent 70%);
    pointer-events: none;
}
.hero-badge {
    display: inline-block; padding: 6px 16px; border-radius: 20px; font-size: 13px; font-weight: 500;
    background: rgba(168,85,247,0.1); border: 1px solid rgba(168,85,247,0.2); color: var(--accent);
    margin-bottom: 24px;
}
.hero-title {
    font-size: clamp(36px, 6vw, 72px); font-weight: 900; line-height: 1.1;
    letter-spacing: -0.02em; max-width: 900px; margin: 0 auto 20px;
}
.gradient-text {
    background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-sub {
    font-size: clamp(16px, 2vw, 20px); color: var(--text-dim); max-width: 640px; margin: 0 auto 40px; line-height: 1.7;
}
.hero-ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 60px; }
.hero-screenshot {
    position: relative; max-width: 600px; margin: 0 auto;
}
.screenshot-glow {
    position: absolute; inset: -40px; border-radius: 30px;
    background: radial-gradient(circle, rgba(168,85,247,0.12) 0%, transparent 70%);
    pointer-events: none; z-index: 0;
}
.hero-screenshot img {
    position: relative; z-index: 1; width: 100%; border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 60px rgba(168,85,247,0.1);
}
.hero-formats {
    display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 40px;
}
.hero-formats span {
    padding: 6px 14px; border-radius: 6px; font-size: 13px; font-weight: 500;
    background: var(--surface); border: 1px solid var(--border); color: var(--text-dim);
}
.hero-formats small { opacity: 0.6; }

/* === Sections === */
.section-header { text-align: center; margin-bottom: 60px; }
.section-title { font-size: clamp(28px, 4vw, 48px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 16px; }
.section-sub { color: var(--text-dim); font-size: 18px; max-width: 600px; margin: 0 auto; }

/* === Modules === */
.modules { padding: 120px 0; }
.modules-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.module-card {
    background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 36px 28px; transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
    position: relative; overflow: hidden;
}
.module-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--gradient); opacity: 0; transition: opacity 0.3s;
}
.module-card:hover { transform: translateY(-4px); border-color: rgba(168,85,247,0.2); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
.module-card:hover::before { opacity: 1; }
.module-icon { font-size: 36px; margin-bottom: 16px; }
.module-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.module-card p { color: var(--text-dim); font-size: 15px; line-height: 1.7; margin-bottom: 16px; }
.module-tag {
    display: inline-block; padding: 4px 10px; border-radius: 4px; font-size: 12px; font-weight: 600;
    background: rgba(168,85,247,0.1); color: var(--accent); text-transform: uppercase; letter-spacing: 0.05em;
}
.module-card[data-color="pink"] .module-tag { background: rgba(236,72,153,0.1); color: #ec4899; }
.module-card[data-color="orange"] .module-tag { background: rgba(249,115,22,0.1); color: #f97316; }
.module-card[data-color="magenta"] .module-tag { background: rgba(236,72,153,0.1); color: #ec4899; }
.module-card[data-color="amber"] .module-tag { background: rgba(245,158,11,0.1); color: #f59e0b; }
.module-card[data-color="cyan"] .module-tag { background: rgba(6,182,212,0.1); color: #06b6d4; }
.module-card[data-color="purple"] .module-tag { background: rgba(168,85,247,0.1); color: #a855f7; }

@media (max-width: 900px) { .modules-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .modules-grid { grid-template-columns: 1fr; } }

/* === Presets === */
.presets { padding: 120px 0; background: var(--bg2); }
.presets-display { max-width: 800px; margin: 0 auto; }
.presets-grid { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 48px; }
.preset-chip {
    padding: 10px 20px; border-radius: 8px; font-size: 14px; font-weight: 600;
    background: var(--bg3); border: 1px solid var(--border);
    transition: transform 0.2s, border-color 0.2s;
}
.preset-chip:hover { transform: scale(1.05); }
.preset-chip.vocals { border-color: rgba(168,85,247,0.3); }
.preset-chip.bass { border-color: rgba(6,182,212,0.3); }
.preset-chip.guitars { border-color: rgba(249,115,22,0.3); }
.preset-chip.drums { border-color: rgba(236,72,153,0.3); }
.preset-chip.other { border-color: rgba(245,158,11,0.3); }
.preset-chip.reset { border-color: rgba(255,255,255,0.1); color: var(--text-dim); }

.presets-info { display: flex; justify-content: center; gap: 48px; text-align: center; }
.info-number { font-size: 48px; font-weight: 900; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.info-label { color: var(--text-dim); font-size: 14px; font-weight: 500; margin-top: 4px; }

@media (max-width: 600px) { .presets-info { gap: 24px; } .info-number { font-size: 36px; } }

/* === Pricing === */
.pricing { padding: 120px 0; }
.pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 800px; margin: 0 auto; }
.price-card {
    background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 40px 32px; text-align: center; position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
}
.price-card:hover { transform: translateY(-4px); box-shadow: 0 20px 60px rgba(0,0,0,0.3); }
.price-card.featured {
    border-color: rgba(168,85,247,0.3);
    box-shadow: 0 0 40px rgba(168,85,247,0.08);
}
.price-badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    padding: 4px 16px; border-radius: 20px; font-size: 11px; font-weight: 700;
    background: var(--gradient); color: #fff; letter-spacing: 0.1em;
}
.price-flag { font-size: 18px; font-weight: 600; margin-bottom: 16px; }
.price-amount { font-size: 56px; font-weight: 900; letter-spacing: -0.02em; }
.price-currency { font-size: 20px; font-weight: 500; color: var(--text-dim); }
.price-period { color: var(--text-dim); font-size: 14px; margin-bottom: 24px; }
.price-features { list-style: none; text-align: left; margin-bottom: 32px; }
.price-features li { padding: 8px 0; font-size: 15px; color: var(--text-dim); border-bottom: 1px solid var(--border); }
.price-features li:last-child { border-bottom: none; }

@media (max-width: 600px) { .pricing-grid { grid-template-columns: 1fr; } }

/* === FAQ === */
.faq { padding: 120px 0; background: var(--bg2); }
.faq-list { max-width: 700px; margin: 0 auto; }
.faq-item {
    border-bottom: 1px solid var(--border); overflow: hidden;
}
.faq-item summary {
    padding: 20px 0; font-size: 16px; font-weight: 600; cursor: pointer;
    list-style: none; display: flex; justify-content: space-between; align-items: center;
    transition: color 0.2s;
}
.faq-item summary:hover { color: var(--accent); }
.faq-item summary::after { content: '+'; font-size: 24px; font-weight: 300; color: var(--text-dim); transition: transform 0.3s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 0 20px; color: var(--text-dim); font-size: 15px; line-height: 1.7; }

/* === Footer === */
.footer { padding: 60px 0 30px; border-top: 1px solid var(--border); }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 40px; flex-wrap: wrap; gap: 24px; }
.footer-brand img { height: 28px; border-radius: 4px; margin-bottom: 8px; }
.footer-brand p { color: var(--text-dim); font-size: 14px; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: var(--text-dim); text-decoration: none; font-size: 14px; transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }
.footer-bottom { text-align: center; padding-top: 24px; border-top: 1px solid var(--border); }
.footer-bottom p { color: var(--text-dim); font-size: 13px; }

/* === Animations === */
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.6s, transform 0.6s; }
.fade-in.visible { opacity: 1; transform: translateY(0); }