/* KCT MODERN DESIGN - Mobile First Responsive */

:root {
    /* Modern Color Palette - No Orange */
    --primary-color: #2c3e50;      /* Dark Blue */
    --secondary-color: #3498db;    /* Blue */
    --accent-color: #e74c3c;       /* Red */
    --success-color: #27ae60;      /* Green */
    --warning-color: #f39c12;      /* Yellow */
    --dark-color: #34495e;         /* Dark Grey */
    --light-color: #ecf0f1;        /* Light Grey */
    --white: #ffffff;
    --border-color: #bdc3c7;
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-bold: 600;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
    font-size: 16px;
}

/* Modern Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-item a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: var(--font-weight-normal);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    transition: all 0.3s ease;
}

.nav-item a:hover {
    background-color: var(--light-color);
    color: var(--primary-color);
}

.cart-button {
    background: var(--secondary-color);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    text-decoration: none;
    font-weight: var(--font-weight-bold);
    position: relative;
    transition: all 0.3s ease;
}

.cart-button:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent-color);
    color: var(--white);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: var(--font-weight-bold);
}

/* Mobile Navigation */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    margin: 2px 0;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Product Grid - Mobile First */
.products-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
}

@media (min-width: 576px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Modern Product Cards */
.product-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

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

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--light-color);
}

.product-info {
    padding: var(--spacing-md);
}

.product-title {
    font-size: 0.9rem;
    font-weight: var(--font-weight-bold);
    color: var(--dark-color);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.product-price {
    font-size: 1.2rem;
    font-weight: var(--font-weight-bold);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.stock-info {
    font-size: 0.8rem;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    background: var(--light-color);
}

.stock-available {
    color: var(--success-color);
    background: rgba(39, 174, 96, 0.1);
}

.stock-supplier {
    color: var(--secondary-color);
    background: rgba(52, 152, 219, 0.1);
}

.stock-unavailable {
    color: var(--accent-color);
    background: rgba(231, 76, 60, 0.1);
}

.add-to-cart-btn {
    width: 100%;
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: all 0.3s ease;
}

.add-to-cart-btn:hover:not(:disabled) {
    background: var(--primary-color);
    transform: translateY(-1px);
}

.add-to-cart-btn:disabled {
    background: var(--border-color);
    cursor: not-allowed;
}

/* Filters - Collapsible */
.filters-container {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.filters-header {
    padding: var(--spacing-md);
    background: var(--light-color);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: var(--font-weight-bold);
    color: var(--dark-color);
}

.filters-content {
    padding: var(--spacing-md);
    display: none;
}

.filters-content.active {
    display: block;
}

.filter-group {
    margin-bottom: var(--spacing-md);
}

.filter-group label {
    display: block;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--dark-color);
}

.filter-group select,
.filter-group input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
}

/* Cart Styles */
.cart-item {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: var(--spacing-md);
    align-items: center;
}

@media (min-width: 768px) {
    .cart-item {
        grid-template-columns: 100px 1fr auto auto;
    }
}

.cart-item-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--border-radius-md);
    background: var(--light-color);
}

.cart-item-details h4 {
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
    color: var(--dark-color);
}

.cart-item-price {
    font-weight: var(--font-weight-bold);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-xs);
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.quantity-btn {
    width: 30px;
    height: 30px;
    border: 1px solid var(--border-color);
    background: var(--white);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    transition: all 0.3s ease;
}

.quantity-btn:hover {
    background: var(--light-color);
}

.quantity-value {
    min-width: 40px;
    text-align: center;
    font-weight: var(--font-weight-bold);
}

/* Buttons */
.btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius-md);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.btn-primary {
    background: #e31e27;
    color: var(--white);
}

.btn-primary:hover {
    background: #c11820;
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--accent-color);
    color: var(--white);
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-success {
    background: var(--success-color);
    color: var(--white);
}

.btn-success:hover {
    background: #219a52;
}

/* Mobile Responsiveness */
@media (max-width: 767px) {
    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-md);
        transition: left 0.3s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .cart-item {
        grid-template-columns: 60px 1fr;
        gap: var(--spacing-sm);
    }
    
    .cart-item-actions {
        grid-column: 1 / -1;
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: var(--spacing-sm);
        padding-top: var(--spacing-sm);
        border-top: 1px solid var(--light-color);
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

.slide-in {
    animation: slideIn 0.3s ease;
}

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }

.rounded { border-radius: var(--border-radius-md); }
.shadow { box-shadow: var(--shadow-md); }

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 576px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* Mobile responsive - stack booking and contact sections */
@media (max-width: 900px) {
    /* Force booking boxes to stack vertically on mobile/tablet */
    .booking-content {
        display: flex !important;
        flex-direction: column !important;
    }
    
    .booking-info-main,
    .booking-info {
        width: 100% !important;
        padding: 40px 20px !important;
        text-align: center !important;
    }
    
    /* Force contact grid to stack on mobile/tablet */
    .contact-grid {
        display: flex !important;
        flex-direction: column !important;
    }
    
    .contact-info,
    .contact-map {
        width: 100% !important;
        max-width: 100% !important;
    }
}

/* Hero Background Image Override */
.hero {
    background: linear-gradient(135deg, rgba(74, 85, 104, 0.6) 0%, rgba(237, 137, 54, 0.6) 100%), 
                url('../images/KCT_RIEPU_SERVISS_hp.png') center/cover no-repeat !important;
}