:root {
    --bg-base: #030303;
    --bg-surface: #0a0a0a;
    --bg-panel: rgba(15, 15, 15, 0.8);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border: rgba(71, 85, 105, 0.2);
    --accent: #475569; /* Slate 600 */
    --accent-hover: #64748b; /* Slate 500 */
    --accent-bright: #94a3b8; /* Slate 400 */
    --radius-md: 12px;
    --font-ui: 'Inter', sans-serif;
    --font-display: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-ui);
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
}

/* --- BUTTONS --- */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.6);
}

.btn-outline {
    background: transparent;
    border-color: var(--border);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-secondary);
}

.btn-large {
    padding: 14px 28px;
    font-size: 1rem;
}

/* --- NAVBAR --- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: 70px;
    background: rgba(3, 3, 3, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    display: flex;
    align-items: center;
}

.nav-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-logo {
    height: 32px;
}

.brand-text {
    color: #fff;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* --- HERO SECTION --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 24px 60px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: var(--bg-base);
    z-index: -1;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, transparent 0%, var(--bg-base) 100%);
}

.hero-content {
    max-width: 800px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    background: rgba(71, 85, 105, 0.1);
    border: 1px solid rgba(71, 85, 105, 0.3);
    color: var(--accent-bright);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(to right, #fff, #a1a1aa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.hero-image {
    margin-top: 60px;
    max-width: 500px;
}

.hero-image img {
    width: 100%;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}

.pricing-hero-img {
    max-width: 400px;
    margin: 30px auto 0;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

/* --- SECTIONS --- */
.section {
    padding: 100px 24px;
}

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

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* --- FEATURES GRID --- */
.grid-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 40px;
    transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 24px;
    background: rgba(255,255,255,0.03);
    width: 60px; height: 60px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

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

/* --- PRODUCTS GRID --- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--bg-base);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    text-decoration: none;
    transition: transform 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.product-card.flagship {
    grid-column: span 2;
    border-color: var(--accent);
    background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(71, 85, 105, 0.1) 100%);
}

@media (max-width: 992px) {
    .product-card.flagship {
        grid-column: span 1;
    }
}

.product-badge {
    display: inline-block;
    padding: 4px 8px;
    background: var(--accent);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 4px;
    margin-bottom: 12px;
    letter-spacing: 0.05em;
}

.product-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-bottom: 1px solid var(--border);
}

.product-info {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
}

.product-info h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.4;
}

.product-price {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
}

.product-price.free {
    color: #4ade80;
}

/* --- CTA SECTION --- */
.cta-section {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
}

.cta-box {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    background: linear-gradient(180deg, rgba(15,15,15,1) 0%, rgba(71, 85, 105, 0.05) 100%);
    border: 1px solid var(--border);
    padding: 60px 40px;
    border-radius: 24px;
}

.cta-box h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.cta-box p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 1.1rem;
}

/* --- FOOTER --- */
.footer {
    padding: 60px 24px;
    border-top: 1px solid var(--border);
    background: var(--bg-base);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.footer-logo {
    height: 24px;
}

.payment-methods {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    width: 100%;
    max-width: 800px;
}

.payment-title {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.payment-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.pay-badge {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    transition: 0.2s;
    cursor: default;
}

.pay-badge:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.pay-badge.paypal {
    border-color: rgba(0, 112, 186, 0.3);
}
.pay-badge.paypal:hover {
    border-color: #0070ba;
    color: #0070ba;
}

.footer-legal {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

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

/* --- PRICING GRID --- */
.pricing-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-base);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 40px;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s, border-color 0.3s;
}

.pricing-card:hover {
    transform: translateY(-5px);
}

.pricing-card.featured {
    border-color: var(--accent);
    background: linear-gradient(180deg, var(--bg-base) 0%, rgba(71, 85, 105, 0.08) 100%);
    position: relative;
}

.pricing-tier {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-bright);
    margin-bottom: 12px;
}

.pricing-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.pricing-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 24px;
    line-height: 1.5;
}

.pricing-amount {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.pricing-sub {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 24px;
    flex-grow: 1;
}

.pricing-features li {
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-primary);
    border-bottom: 1px solid rgba(71, 85, 105, 0.1);
}

.pricing-features li.disabled {
    color: var(--text-secondary);
    opacity: 0.5;
}

.pricing-features li.highlight {
    color: #f8fafc;
    font-weight: 600;
}

.pricing-maintenance {
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--accent-bright);
    margin-bottom: 24px;
    padding: 8px 0;
    border-top: 1px solid var(--border);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-title { font-size: 2.5rem; }
    .hero-cta { flex-direction: column; }
    .pricing-grid { grid-template-columns: 1fr; }
    .footer-content { flex-direction: column; gap: 20px; text-align: center; }
}
