/* ================================================
   LOGICAL PROFESSIONAL CHECKOUT (V7)
   Script Kittens | 2026
================================================ */

:root {
    /* Logic: Define strict color palette */
    --bg-body: #050505;
    --bg-card: #0A0A0A;
    --bg-input: #111111;

    --border-subtle: #1F1F1F;
    --border-focus: #333333;

    --text-primary: #FFFFFF;
    --text-secondary: #AAAAAA;
    --text-muted: #666666;

    --accent-primary: #FFFFFF;
    --accent-hover: #E0E0E0;

    --radius-std: 6px;

    --spacing-unit: 8px;
    /* Logic: 8px grid system */
}

/* 1. RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: var(--bg-body);
    font-family: 'Inter', sans-serif;
    color: var(--text-primary);
    line-height: 1.5;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.2s;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* 2. HEADER - Standard Professional */
.site-header {
    height: 72px;
    /* Logic: 9 * 8px */
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(5, 5, 5, 0.95);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

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

.brand-text {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 20px;
    letter-spacing: -0.02em;
    color: white;
}

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

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
}

.nav-links a:hover {
    color: white;
}

/* 3. LAYOUT - Grid Logic */
.checkout-layout {
    max-width: 1200px;
    margin: 120px auto 80px;
    /* Top margin accounts for fixed header */
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 380px;
    /* Logical split */
    gap: 48px;
    align-items: start;
}

/* 4. COMPONENTS - Alert Card */
.alert-card {
    background: #121212;
    border: 1px solid #333;
    border-radius: var(--radius-std);
    padding: 24px;
    display: flex;
    gap: 20px;
    align-items: center;
    margin-bottom: 40px;
}

.alert-card.error {
    border-left: 4px solid #FF4444;
}

.alert-icon {
    font-size: 24px;
    color: #FF4444;
}

.alert-info h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

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

.btn-discord {
    background: #5865F2;
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 13px;
    transition: 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-discord:hover {
    background: #4752C4;
}

/* 5. COMPONENTS - Steps */
.steps-indicator {
    display: flex;
    gap: 32px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 16px;
}

.step {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 16px;
    margin-bottom: -17px;
    /* Align with border */
    border-bottom: 2px solid transparent;
}

.step.active {
    color: white;
    border-bottom-color: white;
}

.step-num {
    background: #222;
    color: #888;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
}

.step.active .step-num {
    background: white;
    color: black;
}

/* 6. MAIN CONTENT */
.section-header {
    margin-bottom: 32px;
}

.section-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: white;
    margin-bottom: 8px;
    font-family: 'Outfit', sans-serif;
}

.section-header p {
    color: var(--text-secondary);
}

.cart-list {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-std);
    overflow: hidden;
}

.cart-row {
    display: grid;
    grid-template-columns: 64px 1fr 120px 80px 40px;
    /* Logical columns */
    gap: 24px;
    align-items: center;
    background: var(--bg-card);
    padding: 24px;
    border-bottom: 1px solid var(--border-subtle);
}

.cart-row:last-child {
    border-bottom: none;
}

.item-visual img {
    width: 64px;
    height: 64px;
    border-radius: 4px;
    object-fit: cover;
    background: #222;
}

.item-meta h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.item-tag {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 0.05em;
}

.qty-control {
    display: flex;
    align-items: center;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
}

.qty-btn {
    width: 32px;
    height: 32px;
    color: #888;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qty-btn:hover {
    color: white;
    background: #222;
}

.qty-control input {
    width: 40px;
    background: none;
    border: none;
    color: white;
    text-align: center;
}

.item-cost .price {
    font-weight: 700;
    font-size: 15px;
}

.remove-btn {
    color: #555;
}

.remove-btn:hover {
    color: #FF4444;
}

.step-actions {
    margin-top: 32px;
}

.btn-primary {
    width: 100%;
    height: 48px;
    background: white;
    color: black;
    font-weight: 700;
    font-size: 14px;
    border-radius: var(--radius-std);
    transition: 0.2s;
}

.btn-primary:hover {
    background: #E0E0E0;
}

/* 7. SIDEBAR */
.summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-std);
    padding: 32px;
    position: sticky;
    top: 100px;
}

.summary-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
}

.summary-header h3 {
    font-size: 16px;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
}

.summary-rows .row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

.summary-rows .highlight {
    color: #4CAF50;
}

.summary-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-subtle);
    font-weight: 700;
    font-size: 18px;
    color: white;
}

.promo-input {
    display: flex;
    gap: 8px;
    margin-top: 32px;
}

.promo-input input {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    height: 40px;
    padding: 0 12px;
    color: white;
    border-radius: 4px;
}

.promo-input button {
    padding: 0 16px;
    background: #222;
    color: white;
    border-radius: 4px;
    font-weight: 500;
    font-size: 13px;
}

.secure-badges {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
}

.secure-badges i {
    width: 20px;
    text-align: center;
}

/* 8. FOOTER - Logical Sitemap */
.site-footer {
    border-top: 1px solid var(--border-subtle);
    background: #080808;
    padding: 80px 0 40px;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 64px;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    color: white;
    margin-bottom: 24px;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 12px;
}

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

.footer-col a:hover {
    color: white;
    text-decoration: underline;
}

.brand-col p {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 24px;
    max-width: 240px;
}

.socials {
    display: flex;
    gap: 16px;
}

.socials a {
    width: 32px;
    height: 32px;
    background: #181818;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    color: #888;
}

.socials a:hover {
    background: white;
    color: black;
    text-decoration: none;
}

.footer-bar {
    max-width: 1200px;
    margin: 64px auto 0;
    padding: 32px 24px 0;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
    color: #444;
    font-size: 12px;
}