:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: #16161f;
    --bg-card-hover: #1c1c28;
    --text-primary: #f0f0f5;
    --text-secondary: #8888a0;
    --accent: #f7931a;
    --accent-hover: #ffa940;
    --accent-glow: rgba(247, 147, 26, 0.3);
    --border: #222233;
    --success: #22c55e;
    --danger: #ef4444;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ====== TYPO ====== */
.gradient-text {
    background: linear-gradient(135deg, var(--accent), #ff6b35, var(--accent));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.accent {
    color: var(--accent);
}

/* ====== NAVBAR ====== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    transition: all 0.3s;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 28px;
    color: var(--accent);
}

.logo-text {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 700;
}

.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-primary);
}

.cart-btn {
    position: relative;
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-primary) !important;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.2s;
}

.cart-btn:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.cart-count {
    background: var(--accent);
    color: #000;
    font-size: 11px;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: 0.3s;
}

/* ====== HERO ====== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 50% 40%, rgba(247, 147, 26, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 60%, rgba(247, 147, 26, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.badge {
    display: inline-block;
    background: rgba(247, 147, 26, 0.15);
    color: var(--accent);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(247, 147, 26, 0.2);
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    font-family: var(--font-sans);
}

.btn-primary {
    background: var(--accent);
    color: #000;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 30px var(--accent-glow);
}

.btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--accent);
    background: rgba(247, 147, 26, 0.05);
}

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

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-mono);
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ====== PACKS ====== */
.packs {
    padding: 100px 0;
}

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

.section-header h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 16px;
}

.packs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

/* ====== PACK CARD ====== */
.pack-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s;
}

.pack-card:hover {
    border-color: rgba(247, 147, 26, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.pack-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    background: var(--bg-secondary);
}

.pack-info {
    padding: 24px;
}

.pack-badge {
    display: inline-block;
    background: rgba(247, 147, 26, 0.12);
    color: var(--accent);
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 6px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pack-info h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.pack-info p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.5;
}

.pack-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.pack-price {
    font-family: var(--font-mono);
    font-size: 22px;
    font-weight: 700;
    color: var(--accent);
}

.pack-presets {
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.add-to-cart {
    background: var(--accent);
    color: #000;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font-sans);
}

.add-to-cart:hover {
    background: var(--accent-hover);
    transform: scale(1.02);
}

.add-to-cart.in-cart {
    background: var(--success);
}

/* ====== HOW IT WORKS ====== */
.how-it-works {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
}

.step {
    text-align: center;
    padding: 32px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: all 0.3s;
}

.step:hover {
    border-color: rgba(247, 147, 26, 0.2);
}

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(247, 147, 26, 0.15);
    color: var(--accent);
    border-radius: 50%;
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 700;
    margin: 0 auto 16px;
}

.step h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.step p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ====== FAQ ====== */
.faq {
    padding: 100px 0;
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-sans);
    text-align: left;
    transition: color 0.2s;
}

.faq-question:hover {
    color: var(--accent);
}

.faq-question svg {
    transition: transform 0.3s;
    flex-shrink: 0;
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 24px;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 24px 20px;
}

.faq-answer p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
}

/* ====== CART SIDEBAR ====== */
.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.cart-overlay.open {
    opacity: 1;
    visibility: visible;
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    max-width: 100vw;
    height: 100vh;
    background: var(--bg-primary);
    border-left: 1px solid var(--border);
    z-index: 2001;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

.cart-sidebar.open {
    right: 0;
}

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

.cart-header h3 {
    font-size: 20px;
    font-weight: 700;
}

.cart-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 28px;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    transition: color 0.2s;
}

.cart-close:hover {
    color: var(--text-primary);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.cart-empty {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px 0;
    font-size: 15px;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.cart-item-img {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
    background: var(--bg-secondary);
}

.cart-item-info {
    flex: 1;
}

.cart-item-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.cart-item-price {
    font-family: var(--font-mono);
    font-size: 15px;
    color: var(--accent);
    font-weight: 600;
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    padding: 4px;
    font-size: 13px;
    font-weight: 600;
    transition: opacity 0.2s;
}

.cart-item-remove:hover {
    opacity: 0.7;
}

.cart-footer {
    padding: 24px;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
}

/* ====== FOOTER ====== */
.footer {
    padding: 60px 0 30px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo-text {
    display: inline-block;
    margin-bottom: 12px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-links h4,
.footer-payment h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 8px;
    transition: color 0.2s;
}

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

.payment-icons {
    display: flex;
    gap: 8px;
}

.payment-icons span {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 13px;
}

/* ====== TOAST ====== */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 14px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    z-index: 3000;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s ease;
    max-width: 300px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    border-color: var(--success);
}

.toast.error {
    border-color: var(--danger);
}

/* ====== LOADING ====== */
.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.spinner {
    width: 32px;
    height: 32px;
    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); }
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
    .nav-links a:not(.cart-btn) {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .packs-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .cart-sidebar {
        width: 100%;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .packs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}