:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #16161f;
    --bg-card-hover: #1c1c28;
    --bg-input: #1a1a25;
    --border-color: #2a2a3a;
    --border-hover: #3a3a50;
    --text-primary: #e8e8f0;
    --text-secondary: #8888a0;
    --text-muted: #5a5a70;
    --accent: #e63946;
    --accent-hover: #ff4d5a;
    --accent-glow: rgba(230, 57, 70, 0.15);
    --success: #2ecc71;
    --warning: #f1c40f;
    --gradient-accent: linear-gradient(135deg, #e63946, #ff6b6b);
    --radius: 16px;
    --radius-sm: 10px;
    --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
    --shadow-hover: 0 8px 40px rgba(230, 57, 70, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

/* Navbar */
.navbar-store {
    background: rgba(10, 10, 15, 0.85) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.navbar-store .navbar-brand {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.navbar-store .brand-icon {
    color: var(--accent);
    font-size: 1.5rem;
    margin-right: 8px;
}

/* Hero */
.store-hero {
    padding: 4rem 0 2rem;
    text-align: center;
}

.store-hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, #aaa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.store-hero p {
    color: var(--text-secondary);
    font-size: 1.15rem;
    max-width: 500px;
    margin: 0 auto;
}

/* Platform section */
.platform-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1.2rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.platform-title i {
    color: var(--accent);
    margin-right: 6px;
}

/* Service Cards */
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-hover);
    background: var(--bg-card-hover);
}

.service-card .card-img-wrap {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: linear-gradient(180deg, rgba(230,57,70,0.05) 0%, transparent 100%);
}

.service-card .card-img-wrap img {
    max-height: 60px;
    object-fit: contain;
    filter: brightness(0.95);
}

.service-card .card-img-wrap .placeholder-icon {
    font-size: 2.5rem;
    color: var(--text-muted);
}

.service-card .card-body {
    padding: 1rem 1.2rem;
    text-align: center;
}

.service-card .card-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.service-card .card-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.5px;
}

.service-card .card-duration {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.service-card .card-footer {
    padding: 0.8rem 1.2rem 1.2rem;
    background: transparent;
    border-top: none;
}

.btn-buy {
    background: var(--gradient-accent);
    border: none;
    color: #fff;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 10px 0;
    border-radius: var(--radius-sm);
    width: 100%;
    transition: var(--transition);
    letter-spacing: 0.3px;
}

.btn-buy:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 20px rgba(230, 57, 70, 0.4);
    color: #fff;
}

/* Checkout */
.checkout-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.checkout-header {
    background: var(--gradient-accent);
    padding: 1.5rem;
    text-align: center;
}

.checkout-header h4 {
    font-weight: 700;
    margin: 0;
    font-size: 1.2rem;
}

.checkout-body {
    padding: 2rem;
}

/* Forms */
.form-control, .form-select {
    background: var(--bg-input) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px var(--accent-glow) !important;
    outline: none;
}

.form-control::placeholder {
    color: var(--text-muted) !important;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

/* Toggle buttons */
.client-toggle .btn-check:checked + .btn-outline-light {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.client-toggle .btn-outline-light {
    border-color: var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    padding: 10px;
    font-weight: 500;
    transition: var(--transition);
}

.client-toggle .btn-outline-light:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

/* Payment info */
.payment-info {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1.2rem;
}

.payment-info h6 {
    color: var(--warning);
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.payment-info p {
    margin-bottom: 4px;
    font-size: 0.9rem;
}

/* Buttons */
.btn-accent {
    background: var(--gradient-accent);
    border: none;
    color: #fff;
    font-weight: 700;
    padding: 14px 24px;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: var(--transition);
    letter-spacing: 0.3px;
}

.btn-accent:hover {
    box-shadow: 0 6px 30px rgba(230, 57, 70, 0.4);
    transform: translateY(-1px);
    color: #fff;
}

/* Success page */
.success-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: var(--shadow-card);
}

.success-icon {
    font-size: 4rem;
    color: var(--success);
    margin-bottom: 1rem;
}

/* Footer */
.store-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 0;
    margin-top: 4rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.82rem;
}

/* Alerts */
.alert {
    border-radius: var(--radius-sm);
    border: none;
    font-size: 0.9rem;
}

.alert-danger {
    background: rgba(230, 57, 70, 0.15);
    color: #ff6b6b;
}

.alert-success {
    background: rgba(46, 204, 113, 0.15);
    color: #2ecc71;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

/* Responsive */
@media (max-width: 768px) {
    .store-hero h1 { font-size: 2rem; }
    .store-hero { padding: 2.5rem 0 1rem; }
}