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

:root {
    --bg: #0A0A0B;
    --bg-elevated: #141416;
    --bg-card: #1A1A1E;
    --bg-card-hover: #222228;
    --border: #2A2A30;
    --border-light: #3A3A42;
    --text: #F5F5F7;
    --text-secondary: #A1A1AA;
    --text-muted: #71717A;
    --accent: #F97316;
    --accent-hover: #FB923C;
    --accent-glow: rgba(249, 115, 22, 0.15);
    --gold: #EAB308;
    --radius: 12px;
    --radius-lg: 20px;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 600;
    font-size: 15px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-block { width: 100%; justify-content: center; padding: 14px 28px; font-size: 16px; }

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--gold) 100%);
    color: #000;
    box-shadow: 0 0 20px var(--accent-glow);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 30px var(--accent-glow), 0 4px 12px rgba(0,0,0,0.3);
}

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

/* === Nav === */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
}

.nav-logo { width: 28px; height: 28px; }

.nav-name {
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links .btn { color: var(--text); }

/* === 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;
    background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-glow);
    border: 1px solid rgba(249, 115, 22, 0.2);
    border-radius: 100px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    background: linear-gradient(to bottom, #fff 30%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    max-width: 560px;
    margin: 0 auto 36px;
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 64px;
}

.hero-screenshot {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.screenshot-frame {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow:
        0 0 0 1px rgba(255,255,255,0.05),
        0 20px 60px rgba(0,0,0,0.5),
        0 0 100px var(--accent-glow);
}

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

/* === Section headers === */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
}

/* === Features === */
.features {
    padding: 100px 0;
}

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

.feature-card {
    padding: 32px;
    border-radius: var(--radius);
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: border-color 0.3s, transform 0.2s;
}
.feature-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    color: var(--accent);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* === Pricing === */
.pricing {
    padding: 100px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 720px;
    margin: 0 auto;
}

.price-card {
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border);
    text-align: center;
}

.price-card-featured {
    border-color: var(--accent);
    box-shadow: 0 0 40px var(--accent-glow);
    position: relative;
}

.price-badge, .price-badge-featured {
    display: inline-block;
    padding: 4px 14px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 100px;
    margin-bottom: 24px;
}

.price-badge {
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.price-badge-featured {
    background: linear-gradient(135deg, var(--accent), var(--gold));
    color: #000;
}

.price-amount {
    font-size: 48px;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 4px;
}

.price-card-featured .price-amount {
    background: linear-gradient(135deg, var(--accent), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.price-features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.price-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.price-features li.muted {
    color: var(--text-muted);
}

.price-features svg { flex-shrink: 0; }

/* === Download === */
.download {
    padding: 100px 0;
}

.download-card {
    text-align: center;
    padding: 60px 40px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border);
}

.download-icon {
    margin-bottom: 24px;
}

.download-card h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

.download-meta {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
}

.download-note {
    font-size: 13px;
    color: var(--text-muted);
    max-width: 480px;
    margin: 0 auto;
}

/* === Footer === */
.footer {
    padding: 32px 0;
    border-top: 1px solid var(--border);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 15px;
}

.footer-logo { width: 22px; height: 22px; }

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    font-size: 13px;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}
.footer-links a:hover { color: var(--text-secondary); }

.footer-copy {
    font-size: 13px;
    color: var(--text-muted);
}

/* === Modal === */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
    max-width: 420px;
    width: 90%;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-icon { margin-bottom: 20px; }

.modal h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}

.modal p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
    padding: 4px;
}
.modal-close:hover { color: var(--text); }

/* === Checkout Modal === */
.modal-checkout {
    max-width: 600px;
    width: 95%;
    padding: 0;
    overflow: hidden;
    max-height: 90vh;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    margin: 0;
    font-size: 18px;
}

.modal-header .modal-close {
    position: static;
}

#checkout-container {
    min-height: 400px;
    overflow-y: auto;
    max-height: calc(90vh - 70px);
}

.checkout-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 24px;
    gap: 16px;
}

.checkout-loading p {
    color: var(--text-secondary);
    font-size: 14px;
    margin: 0;
}

.checkout-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 60px 24px;
    gap: 16px;
}

.checkout-error p {
    color: var(--text-secondary);
    margin: 0;
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* === Legal pages === */
.legal {
    padding: 160px 0 80px;
}

.legal h1 {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.legal .legal-updated {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 48px;
}

.legal h2 {
    font-size: 20px;
    font-weight: 600;
    margin-top: 40px;
    margin-bottom: 12px;
}

.legal p, .legal li {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.legal ul {
    list-style: disc;
    padding-left: 24px;
    margin-bottom: 12px;
}

.legal a {
    color: var(--accent);
    text-decoration: none;
}
.legal a:hover {
    text-decoration: underline;
}

/* === Responsive === */
@media (max-width: 768px) {
    .features-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
    .hero-actions { flex-direction: column; align-items: center; }
    .download-buttons { flex-direction: column; align-items: center; }
    .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
    .nav-links a:not(.btn) { display: none; }
}