/* ============================================
   CALLIE CO. SOURDOUGH - Design System
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Primary: Warm golden wheat */
    --color-primary: #D4A574;
    --color-primary-dark: #B8864E;
    --color-primary-light: #E8C9A8;
    --color-primary-pale: #FDF6EE;

    /* Warm accent: Deep brown / Crust */
    --color-cream: #FDF6E3;
    --color-wheat: #C4834A;
    --color-wheat-dark: #A06830;
    --color-wheat-light: #F0DFC4;

    /* Neutrals */
    --color-text: #2C2C2C;
    --color-text-light: #6B6B6B;
    --color-text-muted: #999999;
    --color-white: #FFFFFF;
    --color-border: #E0E0E0;
    --color-bg: #FAFAF8;

    /* Feedback */
    --color-success: #4CAF50;
    --color-error: #D32F2F;

    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Lato', 'Segoe UI', sans-serif;

    /* Spacing (8px base) */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 680px;
    --border-radius: 8px;
    --border-radius-lg: 12px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;

    /* Cart sidebar */
    --cart-width: 380px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary-dark);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-wheat-dark);
}

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

ul, ol {
    list-style: none;
}

/* --- Utilities --- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container--narrow {
    max-width: var(--container-narrow);
}

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* --- Typography --- */
h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.25rem; }

.section-title {
    text-align: center;
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.1rem;
    font-weight: 300;
    margin-bottom: var(--space-2xl);
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-wheat);
    color: var(--color-white);
    border-color: var(--color-wheat);
}

.btn-primary:hover {
    background-color: var(--color-wheat-dark);
    border-color: var(--color-wheat-dark);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary-dark);
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary-pale);
    color: var(--color-primary-dark);
}

/* --- Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: var(--color-cream);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition-normal);
}

.site-header.scrolled {
    box-shadow: var(--shadow-sm);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.main-nav {
    display: flex;
    gap: var(--space-xl);
    margin-right: auto;
}

.main-nav a {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.3px;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-normal);
}

.main-nav a:hover {
    color: var(--color-text);
}

.main-nav a:hover::after {
    width: 100%;
}

.cart-toggle {
    position: relative;
    padding: var(--space-sm);
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.cart-toggle:hover {
    color: var(--color-primary-dark);
}

.cart-toggle svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.cart-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--color-wheat);
    color: var(--color-white);
    font-size: 0.7rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.5);
    transition: all var(--transition-fast);
}

.cart-badge.visible {
    opacity: 1;
    transform: scale(1);
}

/* --- Hero --- */
.hero {
    position: relative;
    height: auto;
    min-height: auto;
    padding: var(--space-xl) 0 var(--space-3xl);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    margin-top: 70px;
    overflow: hidden;
}

.hero-overlay {
    display: none;
}

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

.hero-logo {
    max-width: 450px;
    height: auto;
    margin: 0 auto var(--space-lg);
    display: block;
}

.hero-content h1 {
    color: var(--color-text);
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-xl);
}

.hero .btn-primary {
    font-size: 1rem;
    padding: 1rem 2rem;
}

/* --- Product Grid --- */
.products-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-xl);
}

/* --- Product Loading --- */
.products-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-3xl) 0;
    color: var(--color-text-muted);
    font-style: italic;
}

.products-loading .spinner {
    margin: 0 auto var(--space-md);
}

/* --- Product Card --- */
.product-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--color-border);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.product-image-wrap {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background-color: var(--color-primary-pale);
}

.product-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-image-wrap img {
    transform: scale(1.05);
}

/* --- Product Thumbnails --- */
.product-thumbs {
    display: flex;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-sm) 0;
    background-color: var(--color-white);
}

.product-thumb {
    flex: 1;
    aspect-ratio: 1;
    border-radius: 4px;
    overflow: hidden;
    border: 2px solid transparent;
    padding: 0;
    cursor: pointer;
    transition: border-color var(--transition-fast), opacity var(--transition-fast);
    opacity: 0.6;
}

.product-thumb:hover {
    opacity: 0.85;
}

.product-thumb.active {
    border-color: var(--color-primary);
    opacity: 1;
}

.product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.product-info {
    padding: var(--space-lg);
}

.product-name {
    margin-bottom: var(--space-xs);
}

.product-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-wheat-dark);
    margin-bottom: var(--space-sm);
}

.product-unit {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-text-muted);
}

.product-description {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-lg);
    line-height: 1.5;
}

.btn-add-to-cart {
    width: 100%;
    padding: 0.7rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: all var(--transition-normal);
    border: 2px solid var(--color-primary);
}

.btn-add-to-cart:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn-add-to-cart.added {
    background-color: var(--color-success);
    border-color: var(--color-success);
}

/* --- About Section --- */
.about-section {
    padding: var(--space-3xl) 0;
    background-color: var(--color-cream);
    text-align: center;
}

.about-section p {
    max-width: 600px;
    margin: var(--space-md) auto 0;
    color: var(--color-text-light);
    font-size: 1.05rem;
    line-height: 1.8;
}

/* --- Footer --- */
.site-footer {
    padding: var(--space-xl) 0;
    background-color: var(--color-text);
    color: var(--color-text-muted);
    text-align: center;
    font-size: 0.85rem;
}

/* --- Cart Sidebar --- */
.cart-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.cart-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: var(--cart-width);
    height: 100vh;
    background-color: var(--color-white);
    z-index: 1000;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.cart-sidebar.is-open {
    transform: translateX(0);
}

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

.cart-header h2 {
    font-size: 1.25rem;
}

.cart-close {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    padding: var(--space-xs);
    transition: color var(--transition-fast);
}

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

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
}

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

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

.cart-item-img {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    object-fit: cover;
    flex-shrink: 0;
}

.cart-item-details {
    flex: 1;
    min-width: 0;
}

.cart-item-details h4 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cart-item-price {
    font-size: 0.85rem;
    color: var(--color-wheat-dark);
    font-weight: 600;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.qty-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--color-text);
    transition: all var(--transition-fast);
    background-color: var(--color-white);
}

.qty-btn:hover {
    background-color: var(--color-primary-pale);
    border-color: var(--color-primary);
}

.qty-value {
    font-size: 0.9rem;
    font-weight: 600;
    min-width: 20px;
    text-align: center;
}

.cart-item-remove {
    color: var(--color-text-muted);
    font-size: 1.2rem;
    padding: var(--space-xs);
    transition: color var(--transition-fast);
}

.cart-item-remove:hover {
    color: var(--color-error);
}

.cart-empty-message {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-style: italic;
    padding: var(--space-xl);
}

.cart-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.btn-checkout {
    width: 100%;
}

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1099;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    z-index: 1100;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.modal.is-open {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

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

.modal-header h2 {
    font-size: 1.3rem;
}

.modal-close {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    padding: var(--space-xs);
    transition: color var(--transition-fast);
}

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

.modal-body {
    padding: var(--space-xl);
}

/* --- Forms --- */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.25);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--color-error);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-error {
    display: block;
    font-size: 0.8rem;
    color: var(--color-error);
    margin-top: var(--space-xs);
    min-height: 1.2em;
}

.form-actions {
    margin-top: var(--space-xl);
}

.btn-submit-order {
    width: 100%;
}

.form-status {
    margin-top: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    text-align: center;
    display: none;
}

.form-status.success {
    display: block;
    background-color: #e8f5e9;
    color: var(--color-success);
    border: 1px solid #c8e6c9;
}

.form-status.error {
    display: block;
    background-color: #fbe9e7;
    color: var(--color-error);
    border: 1px solid #ffccbc;
}

.form-status.info {
    display: block;
    background-color: var(--color-primary-pale);
    color: var(--color-primary-dark);
    border: 1px solid var(--color-primary-light);
}

/* --- Order Summary (in checkout modal) --- */
.order-summary {
    background-color: var(--color-bg);
    border-radius: var(--border-radius);
    padding: var(--space-md);
    margin-top: var(--space-md);
    border: 1px solid var(--color-border);
}

.order-summary h3 {
    font-size: 1rem;
    margin-bottom: var(--space-sm);
}

.order-summary-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-xs) 0;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.order-summary-total {
    display: flex;
    justify-content: space-between;
    padding-top: var(--space-sm);
    margin-top: var(--space-sm);
    border-top: 1px solid var(--color-border);
    font-weight: 700;
    font-size: 1rem;
}

/* --- Verify Page --- */
.verify-page {
    background-color: var(--color-bg);
    min-height: 100vh;
}

.verify-page .site-header--simple .container {
    justify-content: center;
    height: 70px;
    display: flex;
    align-items: center;
}

.verify-main {
    padding: calc(70px + var(--space-3xl)) 0 var(--space-3xl);
}

.verify-state {
    text-align: center;
}

.verify-state h1 {
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.verify-subtitle {
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
}

/* Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: var(--space-xl) auto var(--space-md);
}

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

/* Verify order review */
.verify-customer-info {
    text-align: left;
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    border: 1px solid var(--color-border);
}

.verify-customer-info p {
    margin-bottom: var(--space-xs);
    font-size: 0.95rem;
}

.verify-customer-info strong {
    color: var(--color-text);
}

.verify-order-items {
    text-align: left;
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    border: 1px solid var(--color-border);
}

.verify-order-items table {
    width: 100%;
    border-collapse: collapse;
}

.verify-order-items th {
    text-align: left;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
}

.verify-order-items td {
    padding: var(--space-sm) 0;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--color-border);
}

.verify-order-items tr:last-child td {
    border-bottom: none;
}

.verify-order-total {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--space-xl);
}

.verify-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Success checkmark */
.success-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--color-success);
    color: var(--color-white);
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
}

/* --- Toast Notification --- */
.toast {
    position: fixed;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: var(--color-text);
    color: var(--color-white);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    z-index: 2000;
    opacity: 0;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.toast.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }

    .hero {
        height: auto;
        min-height: auto;
        padding: var(--space-md) 0 var(--space-2xl);
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .main-nav {
        gap: var(--space-md);
    }

    .main-nav a {
        font-size: 0.8rem;
    }

    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: var(--space-lg);
    }

    .cart-sidebar {
        width: 100%;
    }

    .modal {
        width: 95%;
    }
}

@media (max-width: 480px) {
    .site-header .container {
        height: 60px;
    }

    .logo-text {
        font-size: 1rem;
    }

    .main-nav {
        display: none;
    }

    .hero {
        margin-top: 60px;
        height: auto;
        min-height: auto;
        padding: var(--space-xl) 0;
    }

    .hero-content h1 {
        font-size: 1.6rem;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .products-section {
        padding: var(--space-2xl) 0;
    }

    .verify-actions {
        flex-direction: column;
    }

    .verify-actions .btn {
        width: 100%;
    }
}