@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }

:root {
    --bg-dark: #09090b;
    --bg-surface: rgba(24, 24, 27, 0.45);
    --bg-surface-hover: rgba(39, 39, 42, 0.65);
    --bg-input: rgba(0, 0, 0, 0.2);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(255, 255, 255, 0.15);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-red: #f43f5e;
    --accent-green: #10b981;
    --accent-yellow: #f59e0b;
    --accent-blue: #3b82f6;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-pill: 999px;
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.2);
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    background-image:
        radial-gradient(circle at 15% 0%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 100%, rgba(139, 92, 246, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(244, 63, 94, 0.05) 0%, transparent 50%);
    background-attachment: fixed;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: 16px 32px;
    display: flex; align-items: center; justify-content: space-between;
    background: rgba(9, 9, 11, 0.7);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-normal);
}
.navbar.scrolled { background: rgba(9, 9, 11, 0.95); box-shadow: 0 4px 30px rgba(0,0,0,0.4); }
.nav-brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.nav-logo {
    width: 42px; height: 42px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; box-shadow: var(--shadow-glow);
}
.nav-title { font-size: 1.25rem; font-weight: 800; color: var(--text-primary); letter-spacing: -0.02em; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a {
    color: var(--text-secondary); text-decoration: none; font-size: 0.9rem;
    font-weight: 500; transition: var(--transition-fast); position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }
.nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    transition: var(--transition-normal); border-radius: 2px;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta {
    padding: 10px 24px; border-radius: var(--radius-md); border: none;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff; font-family: 'Inter', sans-serif; font-size: 0.9rem;
    font-weight: 600; cursor: pointer; transition: var(--transition-normal);
    text-decoration: none;
}
.nav-cta:hover { opacity: 0.9; box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35); transform: translateY(-2px); }
.nav-hamburger {
    display: none; flex-direction: column; gap: 5px; cursor: pointer;
    background: none; border: none; padding: 4px;
}
.nav-hamburger span {
    width: 24px; height: 2px; background: var(--text-primary);
    border-radius: 2px; transition: var(--transition-normal);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    padding: 120px 32px 80px; position: relative; overflow: hidden;
}
.hero-bg {
    position: absolute; inset: 0; z-index: 0;
    background: url('assets/hero-bg.png') center/cover no-repeat;
    opacity: 0.3; filter: blur(1px);
}
.hero-bg::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(9,9,11,0.3) 0%, rgba(9,9,11,0.8) 70%, var(--bg-dark) 100%);
}
.hero-content {
    position: relative; z-index: 1; text-align: center; max-width: 800px;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 20px; border-radius: var(--radius-pill);
    background: rgba(99, 102, 241, 0.1); border: 1px solid rgba(99, 102, 241, 0.25);
    font-size: 0.85rem; color: var(--accent-primary); font-weight: 600;
    margin-bottom: 28px; animation: fadeInDown 0.8s ease;
}
.hero-badge .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--accent-green); box-shadow: 0 0 10px var(--accent-green);
    animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.6; transform: scale(1.3); } }
.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.2rem); font-weight: 900; letter-spacing: -0.04em;
    line-height: 1.1; margin-bottom: 24px;
    background: linear-gradient(135deg, #fff 0%, #a1a1aa 50%, var(--accent-primary) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    animation: fadeInUp 0.8s ease 0.1s both;
}
.hero h1 span {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub {
    font-size: 1.15rem; color: var(--text-secondary); max-width: 600px;
    margin: 0 auto 40px; line-height: 1.7;
    animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-actions {
    display: flex; align-items: center; justify-content: center; gap: 16px;
    animation: fadeInUp 0.8s ease 0.3s both; flex-wrap: wrap;
}
.btn-hero-primary {
    padding: 16px 36px; border-radius: var(--radius-md); border: none;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff; font-family: 'Inter', sans-serif; font-size: 1.05rem;
    font-weight: 700; cursor: pointer; transition: var(--transition-normal);
    text-decoration: none; display: inline-flex; align-items: center; gap: 10px;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}
.btn-hero-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 32px rgba(99, 102, 241, 0.45); }
.btn-hero-secondary {
    padding: 16px 36px; border-radius: var(--radius-md);
    border: 1px solid var(--border-highlight);
    background: var(--bg-surface); backdrop-filter: blur(10px);
    color: var(--text-primary); font-family: 'Inter', sans-serif; font-size: 1.05rem;
    font-weight: 600; cursor: pointer; transition: var(--transition-normal);
    text-decoration: none; display: inline-flex; align-items: center; gap: 10px;
}
.btn-hero-secondary:hover { background: var(--bg-surface-hover); border-color: var(--accent-primary); transform: translateY(-3px); }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== SECTIONS ===== */
section { padding: 100px 32px; max-width: 1200px; margin: 0 auto; }
.section-label {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.1em; color: var(--accent-primary); margin-bottom: 16px;
}
.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800;
    letter-spacing: -0.03em; margin-bottom: 16px; line-height: 1.2;
}
.section-desc { font-size: 1.05rem; color: var(--text-secondary); max-width: 600px; line-height: 1.7; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-header .section-desc { margin: 0 auto; }

/* ===== FEATURES ===== */
.features-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.feature-card {
    background: var(--bg-surface); backdrop-filter: blur(16px);
    border: 1px solid var(--border-color); border-radius: var(--radius-xl);
    padding: 36px 28px; transition: var(--transition-normal); position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    opacity: 0; transition: var(--transition-normal);
}
.feature-card:hover {
    background: var(--bg-surface-hover); border-color: var(--border-highlight);
    transform: translateY(-6px); box-shadow: var(--shadow-glass);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
    width: 56px; height: 56px; border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center;
    font-size: 26px; margin-bottom: 20px;
    background: rgba(99, 102, 241, 0.1); border: 1px solid rgba(99, 102, 241, 0.15);
}
.feature-card:nth-child(2) .feature-icon { background: rgba(16, 185, 129, 0.1); border-color: rgba(16, 185, 129, 0.15); }
.feature-card:nth-child(3) .feature-icon { background: rgba(139, 92, 246, 0.1); border-color: rgba(139, 92, 246, 0.15); }
.feature-card:nth-child(4) .feature-icon { background: rgba(59, 130, 246, 0.1); border-color: rgba(59, 130, 246, 0.15); }
.feature-card:nth-child(5) .feature-icon { background: rgba(245, 158, 11, 0.1); border-color: rgba(245, 158, 11, 0.15); }
.feature-card:nth-child(6) .feature-icon { background: rgba(244, 63, 94, 0.1); border-color: rgba(244, 63, 94, 0.15); }
.feature-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.feature-desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

/* ===== HOW IT WORKS ===== */
.steps { display: flex; align-items: flex-start; gap: 24px; position: relative; }
.step {
    flex: 1; text-align: center; position: relative; padding: 40px 24px;
    background: var(--bg-surface); backdrop-filter: blur(16px);
    border: 1px solid var(--border-color); border-radius: var(--radius-xl);
    transition: var(--transition-normal);
}
.step:hover { background: var(--bg-surface-hover); transform: translateY(-4px); border-color: var(--border-highlight); }
.step-number {
    width: 48px; height: 48px; border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; font-weight: 800; color: #fff; margin: 0 auto 20px;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}
.step-icon { font-size: 40px; margin-bottom: 16px; }
.step-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.step-desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }
.step-connector {
    position: absolute; top: 64px; right: -24px; width: 24px; height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), transparent);
    z-index: 2;
}
.step:last-child .step-connector { display: none; }

/* ===== PREVIEW ===== */
.preview-wrapper {
    position: relative; border-radius: var(--radius-xl); overflow: hidden;
    border: 1px solid var(--border-color); box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    max-width: 900px; margin: 0 auto;
}
.preview-wrapper img { width: 100%; display: block; margin-top: 0; }

/* ===== PRICING ===== */
.pricing-card {
    max-width: 460px; margin: 0 auto; padding: 48px 40px; text-align: center;
    background: var(--bg-surface); backdrop-filter: blur(20px);
    border: 1px solid rgba(99, 102, 241, 0.2); border-radius: var(--radius-xl);
    position: relative; overflow: hidden;
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.1);
}
.pricing-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}
.pricing-badge {
    display: inline-block; padding: 6px 16px; border-radius: var(--radius-pill);
    background: rgba(99, 102, 241, 0.15); color: var(--accent-primary);
    font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.08em; margin-bottom: 24px;
}
.pricing-amount {
    font-size: 4rem; font-weight: 900; letter-spacing: -0.04em;
    margin-bottom: 4px; line-height: 1;
}
.pricing-amount span { font-size: 1.5rem; color: var(--text-secondary); font-weight: 500; }
.pricing-period { font-size: 1rem; color: var(--text-secondary); margin-bottom: 32px; }
.pricing-features { list-style: none; text-align: left; margin-bottom: 36px; }
.pricing-features li {
    padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.04);
    font-size: 0.95rem; color: var(--text-secondary); display: flex;
    align-items: center; gap: 12px;
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-features .check {
    color: var(--accent-green); font-weight: 700; font-size: 1.1rem; flex-shrink: 0;
}
.btn-purchase {
    width: 100%; padding: 18px; border-radius: var(--radius-md); border: none;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff; font-family: 'Inter', sans-serif; font-size: 1.1rem;
    font-weight: 700; cursor: pointer; transition: var(--transition-normal);
    display: flex; align-items: center; justify-content: center; gap: 10px;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3); text-decoration: none;
}
.btn-purchase:hover { transform: translateY(-3px); box-shadow: 0 8px 32px rgba(99, 102, 241, 0.45); }
.pricing-note { font-size: 0.8rem; color: var(--text-muted); margin-top: 16px; }

/* ===== FAQ ===== */
.faq-list { max-width: 740px; margin: 0 auto; }
.faq-item {
    background: var(--bg-surface); backdrop-filter: blur(16px);
    border: 1px solid var(--border-color); border-radius: var(--radius-lg);
    margin-bottom: 12px; overflow: hidden; transition: var(--transition-normal);
}
.faq-item:hover { border-color: var(--border-highlight); }
.faq-question {
    width: 100%; padding: 20px 24px; display: flex; align-items: center;
    justify-content: space-between; background: none; border: none;
    color: var(--text-primary); font-family: 'Inter', sans-serif;
    font-size: 1rem; font-weight: 600; cursor: pointer; text-align: left;
    transition: var(--transition-fast);
}
.faq-question:hover { color: var(--accent-primary); }
.faq-icon {
    font-size: 1.2rem; color: var(--text-muted);
    transition: var(--transition-normal); flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--accent-primary); }
.faq-answer {
    max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer p {
    padding: 0 24px 20px; font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7;
}

/* ===== DOWNLOAD ===== */
.download-section {
    text-align: center; padding: 80px 32px; position: relative;
}
.download-card {
    max-width: 700px; margin: 0 auto; padding: 48px 40px;
    background: var(--bg-surface); backdrop-filter: blur(20px);
    border: 1px solid var(--border-color); border-radius: var(--radius-xl);
}
.download-icon { font-size: 56px; margin-bottom: 20px; }
.download-reqs {
    display: flex; justify-content: center; gap: 24px;
    flex-wrap: wrap; margin: 24px 0 32px;
}
.download-req {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 16px; border-radius: var(--radius-pill);
    background: rgba(0,0,0,0.2); border: 1px solid var(--border-color);
    font-size: 0.85rem; color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
}
.btn-download {
    display: inline-flex; align-items: center; gap: 12px;
    padding: 18px 40px; border-radius: var(--radius-md); border: none;
    background: linear-gradient(135deg, var(--accent-green), #059669);
    color: #fff; font-family: 'Inter', sans-serif; font-size: 1.1rem;
    font-weight: 700; cursor: pointer; transition: var(--transition-normal);
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3); text-decoration: none;
}
.btn-download:hover { transform: translateY(-3px); box-shadow: 0 8px 32px rgba(16, 185, 129, 0.45); }

/* ===== FOOTER ===== */
.footer {
    padding: 48px 32px 32px; border-top: 1px solid var(--border-color);
    max-width: 1200px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 16px;
}
.footer-left { display: flex; align-items: center; gap: 12px; }
.footer-logo {
    width: 32px; height: 32px; border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    display: flex; align-items: center; justify-content: center; font-size: 16px;
}
.footer-copy { font-size: 0.85rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 24px; }
.footer-links a {
    color: var(--text-secondary); text-decoration: none; font-size: 0.85rem;
    transition: var(--transition-fast);
}
.footer-links a:hover { color: var(--accent-primary); }

/* ===== MOBILE NAV ===== */
.mobile-menu {
    display: none; position: fixed; top: 74px; left: 0; right: 0;
    background: rgba(9, 9, 11, 0.97); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color); z-index: 99;
    padding: 24px 32px; flex-direction: column; gap: 16px;
    transform: translateY(-120%); transition: transform 0.4s ease;
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu a {
    color: var(--text-secondary); text-decoration: none; font-size: 1.1rem;
    font-weight: 500; padding: 12px 0; border-bottom: 1px solid var(--border-color);
    display: block;
}
.mobile-menu a:hover { color: var(--text-primary); }

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .steps { flex-direction: column; }
    .step-connector { display: none !important; }
}
@media (max-width: 768px) {
    .nav-links, .nav-cta { display: none; }
    .nav-hamburger { display: flex; }
    .mobile-menu { display: flex; }
    .features-grid { grid-template-columns: 1fr; }
    .hero { padding: 100px 20px 60px; }
    section { padding: 60px 20px; }
    .pricing-card { padding: 36px 24px; margin: 0 8px; }
    .pricing-amount { font-size: 3rem; }
    .download-card { padding: 36px 24px; margin: 0 8px; }
    .footer { flex-direction: column; text-align: center; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }