/* ===================================================
   ذا ناتورال اكواريوم - Natu Aquarium | Main Stylesheet
   Natural Aquarium Products - RTL Arabic
   
   Color Palette:
   - Primary (Deep Teal/Aqua): #0D7377
   - Primary Dark:             #0A5C5F
   - Primary Light:            #14A3A8
   - Secondary (Warm Sand):    #D4A76A
   - Secondary Light:          #E8CFA0
   - Accent (Leaf Green):      #44A148
   - Background:               #F7F9F4
   - Surface:                  #FFFFFF
   - Text Dark:                #1A2E1A
   - Text Medium:              #4A5D4A
   - Text Light:               #7A8D7A
   - Danger:                   #D9534F
   - Success:                  #5CB85C
   =================================================== */

/* ---------- CSS Variables ---------- */
:root {
    --clr-primary: #0D7377;
    --clr-primary-dark: #0A5C5F;
    --clr-primary-light: #14A3A8;
    --clr-secondary: #D4A76A;
    --clr-secondary-light: #E8CFA0;
    --clr-accent: #44A148;
    --clr-bg: #F7F9F4;
    --clr-surface: #FFFFFF;
    --clr-text: #1A2E1A;
    --clr-text-md: #4A5D4A;
    --clr-text-lt: #7A8D7A;
    --clr-danger: #D9534F;
    --clr-success: #5CB85C;
    --clr-border: #E2E8D8;

    --font-main: 'Cairo', sans-serif;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --shadow: 0 4px 20px rgba(13, 115, 119, 0.08);
    --shadow-lg: 0 8px 40px rgba(13, 115, 119, 0.12);
    --shadow-hover: 0 8px 30px rgba(13, 115, 119, 0.15);
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.8;
    direction: rtl;
    overflow-x: hidden;
}

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

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

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

ul {
    list-style: none;
}

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

.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--clr-text);
    margin-bottom: 10px;
}

.section-header p {
    color: var(--clr-text-md);
    font-size: 1.1rem;
}

.section-action {
    text-align: center;
    margin-top: 40px;
}

.highlight {
    color: var(--clr-secondary);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--clr-primary);
    color: #fff;
    border-color: var(--clr-primary);
}

.btn-primary:hover {
    background: var(--clr-primary-dark);
    border-color: var(--clr-primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-outline {
    background: transparent;
    color: var(--clr-primary);
    border-color: var(--clr-primary);
}

.btn-outline:hover {
    background: var(--clr-primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn-lg {
    padding: 15px 40px;
    font-size: 1.1rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* ---------- Navbar ---------- */
.navbar {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    transition: all var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.1);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--clr-primary);
}

.logo:hover {
    color: var(--clr-primary);
}

.logo-image {
    display: block;
    height: 90px;
    width: auto;
    max-width: 500px;
    object-fit: contain;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-links a {
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    color: var(--clr-text-md);
    font-weight: 600;
    transition: all var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--clr-primary);
    background: rgba(13, 115, 119, 0.08);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--clr-text);
    border-radius: 3px;
    transition: all var(--transition);
}

/* ---------- Hero Section ---------- */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0A5C5F 0%, #0D7377 30%, #14A3A8 70%, #44A148 100%);
    overflow: hidden;
    margin-top: 70px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero-content p {
    font-size: 1.3rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 30px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero .btn-primary {
    background: var(--clr-secondary);
    border-color: var(--clr-secondary);
    color: var(--clr-text);
}

.hero .btn-primary:hover {
    background: #c9964f;
    border-color: #c9964f;
}

.hero .btn-outline {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}

.hero .btn-outline:hover {
    background: #fff;
    color: var(--clr-primary);
    border-color: #fff;
}

/* Animated Bubbles */
.bubbles {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}

.bubble {
    position: absolute;
    bottom: -100px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    animation: bubbleFloat linear infinite;
}

.bubble:nth-child(1) { width: 40px;  height: 40px;  right: 10%; animation-duration: 8s;  animation-delay: 0s; }
.bubble:nth-child(2) { width: 20px;  height: 20px;  right: 20%; animation-duration: 5s;  animation-delay: 1s; }
.bubble:nth-child(3) { width: 50px;  height: 50px;  right: 35%; animation-duration: 10s; animation-delay: 2s; }
.bubble:nth-child(4) { width: 80px;  height: 80px;  right: 50%; animation-duration: 7s;  animation-delay: 0.5s; }
.bubble:nth-child(5) { width: 35px;  height: 35px;  right: 65%; animation-duration: 6s;  animation-delay: 3s; }
.bubble:nth-child(6) { width: 45px;  height: 45px;  right: 75%; animation-duration: 9s;  animation-delay: 1.5s; }
.bubble:nth-child(7) { width: 25px;  height: 25px;  right: 90%; animation-duration: 11s; animation-delay: 4s; }

@keyframes bubbleFloat {
    0%   { transform: translateY(0) scale(1); opacity: 0; }
    10%  { opacity: 1; }
    90%  { opacity: 1; }
    100% { transform: translateY(-110vh) scale(1.2); opacity: 0; }
}

/* ---------- Features ---------- */
.features-section {
    background: var(--clr-surface);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 40px 25px;
    border-radius: var(--radius);
    background: var(--clr-bg);
    transition: all var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--clr-text);
}

.feature-card p {
    color: var(--clr-text-md);
    font-size: 0.95rem;
}

/* ---------- Categories ---------- */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.category-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    height: 220px;
    display: block;
    transition: all var(--transition);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.category-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.category-card:hover img {
    transform: scale(1.1);
}

.category-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-accent));
}

.category-overlay {
    position: absolute;
    bottom: 0;
    right: 0;
    left: 0;
    padding: 20px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
}

.category-overlay h3 {
    color: #fff;
    font-size: 1.2rem;
}

/* ---------- Products Grid ---------- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: var(--clr-surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.product-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.product-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    background: linear-gradient(135deg, #E8F5E9, #B2DFDB);
}

.badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
}

.badge-sale {
    background: var(--clr-danger);
}

.badge-featured {
    background: var(--clr-secondary);
    color: var(--clr-text);
    right: auto;
    left: 15px;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.product-info h3 a {
    color: var(--clr-text);
}

.product-info h3 a:hover {
    color: var(--clr-primary);
}

.product-category {
    color: var(--clr-text-lt);
    font-size: 0.85rem;
    margin-bottom: 10px;
}

.product-price {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.price-current {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--clr-primary);
}

.price-old {
    font-size: 0.95rem;
    color: var(--clr-text-lt);
    text-decoration: line-through;
}

.product-actions {
    display: flex;
    gap: 10px;
}

.product-actions .btn {
    flex: 1;
}

/* ---------- Product Detail ---------- */
.product-detail-section {
    padding-top: 100px;
}

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.product-detail-image {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.product-detail-image img {
    width: 100%;
    transition: transform 0.5s ease;
}

.product-detail-image:hover img {
    transform: scale(1.03);
}

.product-placeholder-lg {
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    background: linear-gradient(135deg, #E8F5E9, #B2DFDB);
    border-radius: var(--radius);
}

.breadcrumb {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: var(--clr-text-lt);
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--clr-text-md);
}

.breadcrumb a:hover {
    color: var(--clr-primary);
}

.product-detail-info h1 {
    font-size: 2rem;
    margin-bottom: 5px;
}

.product-category-label {
    color: var(--clr-text-lt);
    margin-bottom: 20px;
}

.product-price-detail {
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.price-current-lg {
    font-size: 2rem;
    font-weight: 800;
    color: var(--clr-primary);
}

.price-old-lg {
    font-size: 1.3rem;
    color: var(--clr-text-lt);
    text-decoration: line-through;
}

.product-description {
    margin-bottom: 25px;
}

.product-description h3 {
    margin-bottom: 10px;
    color: var(--clr-text);
}

.product-description p {
    color: var(--clr-text-md);
    line-height: 2;
}

.stock-badge {
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.in-stock {
    background: #E8F5E9;
    color: var(--clr-success);
}

.out-of-stock {
    background: #FFEBEE;
    color: var(--clr-danger);
}

.related-section {
    margin-top: 80px;
}

.related-section h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
}

/* ---------- Blog ---------- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.blog-card {
    background: var(--clr-surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.blog-image {
    height: 220px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.blog-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    background: linear-gradient(135deg, var(--clr-secondary-light), var(--clr-secondary));
}

.blog-info {
    padding: 25px;
}

.blog-date {
    font-size: 0.85rem;
    color: var(--clr-text-lt);
}

.blog-info h3 {
    font-size: 1.15rem;
    margin: 8px 0 10px;
}

.blog-info h3 a {
    color: var(--clr-text);
}

.blog-info h3 a:hover {
    color: var(--clr-primary);
}

.blog-info p {
    color: var(--clr-text-md);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.read-more {
    font-weight: 600;
    color: var(--clr-primary);
    font-size: 0.95rem;
}

.read-more:hover {
    color: var(--clr-primary-dark);
}

/* Blog Detail */
.blog-detail {
    max-width: 800px;
    margin: 0 auto;
}

.blog-detail-section {
    padding-top: 100px;
}

.blog-detail-header {
    margin-bottom: 30px;
}

.blog-detail-header h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
    line-height: 1.5;
}

.blog-detail-image {
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 30px;
}

.blog-detail-image img {
    width: 100%;
}

.blog-detail-content {
    font-size: 1.1rem;
    line-height: 2.2;
    color: var(--clr-text-md);
}

.blog-detail-footer {
    max-width: 800px;
    margin: 40px auto 0;
}

/* ---------- Page Header ---------- */
.page-header {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
    color: #fff;
    padding: 120px 0 60px;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.page-header p {
    opacity: 0.9;
    font-size: 1.1rem;
}

/* ---------- Filter Bar ---------- */
.filter-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: 8px 22px;
    border-radius: 25px;
    background: var(--clr-surface);
    color: var(--clr-text-md);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition);
    border: 2px solid var(--clr-border);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--clr-primary);
    color: #fff;
    border-color: var(--clr-primary);
}

/* ---------- About Page ---------- */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 60px;
}

.about-text h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--clr-primary);
}

.about-text p {
    color: var(--clr-text-md);
    margin-bottom: 15px;
    line-height: 2;
}

.about-placeholder {
    background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-accent));
    border-radius: var(--radius-lg);
    height: 350px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.about-placeholder span {
    font-size: 5rem;
    margin-bottom: 10px;
}

.about-placeholder p {
    font-size: 1.2rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.value-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--clr-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.value-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--clr-text);
}

.value-card p {
    color: var(--clr-text-md);
}

/* ---------- Contact Page ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
}

.contact-info h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--clr-primary);
}

.contact-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    align-items: flex-start;
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(13, 115, 119, 0.08);
    border-radius: var(--radius-sm);
}

.contact-item h4 {
    margin-bottom: 3px;
    color: var(--clr-text);
}

.contact-item p {
    color: var(--clr-text-md);
}

.contact-form-container h2 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: var(--clr-primary);
}

/* ---------- Forms ---------- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--clr-text);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--clr-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 1rem;
    color: var(--clr-text);
    background: var(--clr-surface);
    transition: border-color var(--transition), box-shadow var(--transition);
    direction: rtl;
}

.form-control:focus {
    outline: none;
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(13, 115, 119, 0.1);
}

.form-control::placeholder {
    color: var(--clr-text-lt);
}

textarea.form-control {
    resize: vertical;
}

.field-error {
    display: block;
    color: var(--clr-danger);
    font-size: 0.85rem;
    margin-top: 5px;
}

/* Payment Options */
.payment-options {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.payment-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 25px;
    border: 2px solid var(--clr-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    flex: 1;
}

.payment-option:has(input:checked) {
    border-color: var(--clr-primary);
    background: rgba(13, 115, 119, 0.05);
}

.payment-label {
    font-weight: 600;
}

/* ---------- Checkout ---------- */
.checkout-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 50px;
    align-items: start;
}

.checkout-form-container h2,
.order-summary h2 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    color: var(--clr-primary);
}

.order-summary {
    background: var(--clr-surface);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    position: sticky;
    top: 90px;
}

.summary-product {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--clr-border);
}

.summary-product img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.summary-placeholder {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    background: var(--clr-bg);
    border-radius: var(--radius-sm);
}

.summary-product h3 {
    font-size: 1.1rem;
    margin-bottom: 3px;
}

.summary-category {
    font-size: 0.85rem;
    color: var(--clr-text-lt);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    color: var(--clr-text-md);
}

.summary-total {
    border-top: 2px solid var(--clr-border);
    margin-top: 10px;
    padding-top: 15px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--clr-primary);
}

/* ---------- Order Success ---------- */
.success-container {
    max-width: 600px;
    margin: 30px auto;
    text-align: center;
    background: var(--clr-surface);
    padding: 50px 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--clr-success);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    animation: successPulse 0.6s ease;
}

@keyframes successPulse {
    0%   { transform: scale(0); }
    50%  { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.success-container h1 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--clr-success);
}

.success-order-number {
    font-size: 1.1rem;
    color: var(--clr-text-md);
    margin-bottom: 30px;
}

.success-details {
    text-align: right;
    background: var(--clr-bg);
    padding: 25px;
    border-radius: var(--radius);
    margin-bottom: 25px;
}

.success-details h3 {
    margin-bottom: 15px;
    text-align: center;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--clr-border);
}

.detail-total {
    font-weight: 700;
    color: var(--clr-primary);
    font-size: 1.1rem;
    border-bottom: none;
}

.success-note {
    color: var(--clr-text-md);
    margin-bottom: 25px;
}

.success-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* ---------- CTA Section ---------- */
.cta-section {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
    padding: 80px 0;
    text-align: center;
    color: #fff;
}

.cta-content h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.cta-content p {
    opacity: 0.9;
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.cta-section .btn-primary {
    background: var(--clr-secondary);
    border-color: var(--clr-secondary);
    color: var(--clr-text);
}

.cta-section .btn-primary:hover {
    background: #c9964f;
    border-color: #c9964f;
}

/* ---------- Empty State ---------- */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 15px;
}

.empty-state h3 {
    color: var(--clr-text-md);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--clr-text-lt);
}

/* ---------- Messages / Alerts ---------- */
.messages-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 999;
    max-width: 400px;
}

.alert {
    padding: 15px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    animation: slideInRight 0.4s ease;
}

.alert-success {
    background: #E8F5E9;
    color: #2E7D32;
    border-right: 4px solid #2E7D32;
}

.alert-error {
    background: #FFEBEE;
    color: #C62828;
    border-right: 4px solid #C62828;
}

.alert-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.6;
    padding: 0 5px;
}

.alert-close:hover {
    opacity: 1;
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
}

/* ---------- Footer ---------- */
.footer {
    background: var(--clr-text);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-section h3 {
    color: #fff;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.footer-logo {
    display: inline-flex;
    margin-bottom: 15px;
}

.footer-logo-image {
    display: block;
    width: 320px;
    height: auto;
    max-width: 100%;
}

.footer-section p {
    line-height: 1.9;
    font-size: 0.95rem;
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition);
}

.footer-contact ul a {
    color: #fff;
}

.footer-contact ul a:hover {
    color: var(--clr-secondary);
}

.footer-section ul a:hover {
    color: var(--clr-secondary);
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ---------- Animations (CSS part - JS triggers visibility) ---------- */
[data-animate] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].visible {
    opacity: 1;
    transform: none !important;
}

[data-animate="fade-up"] {
    transform: translateY(30px);
}

[data-animate="fade-in"] {
    transform: none;
}

[data-animate="slide-right"] {
    transform: translateX(40px);
}

[data-animate="slide-left"] {
    transform: translateX(-40px);
}

[data-animate="zoom-in"] {
    transform: scale(0.9);
}

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content,
    .product-detail {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

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

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

    .hero-content h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        right: 0;
        left: 0;
        background: var(--clr-surface);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        padding: 12px 18px;
        width: 100%;
    }

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

    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

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

    .hero-content p {
        font-size: 1.05rem;
    }

    .hero {
        min-height: 70vh;
    }

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

    .section {
        padding: 50px 0;
    }

    .page-header {
        padding: 100px 0 40px;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .payment-options {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .categories-grid {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 0 15px;
    }

    .hero-content h1 {
        font-size: 1.7rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 15px;
    }

    .hero-stat-divider {
        display: none;
    }

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

    .step-connector {
        display: none;
    }
}

/* ===================================================
   ENHANCED COMPONENTS
   =================================================== */

/* ---------- Hero Enhancements ---------- */
.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 8px 25px;
    border-radius: 30px;
    font-size: 0.95rem;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-top: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    padding: 20px 40px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
}

.hero-stat-label {
    font-size: 0.85rem;
    opacity: 0.85;
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.25);
}

.hero-decoration {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.floating-icon {
    position: absolute;
    font-size: 2.5rem;
    animation: floatIcon 4s ease-in-out infinite;
    opacity: 0.3;
}

.floating-icon:nth-child(2) { animation-delay: 0.5s; animation-duration: 5s; }
.floating-icon:nth-child(3) { animation-delay: 1s;   animation-duration: 3.5s; }
.floating-icon:nth-child(4) { animation-delay: 1.5s; animation-duration: 4.5s; }
.floating-icon:nth-child(5) { animation-delay: 2s;   animation-duration: 5.5s; }

@keyframes floatIcon {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50%      { transform: translateY(-20px) rotate(5deg); }
}

/* ---------- Colorful Category Placeholders ---------- */
.cat-color-1 { background: linear-gradient(135deg, #2D5016, #4A7C28); }
.cat-color-2 { background: linear-gradient(135deg, #0D7377, #14A3A8); }
.cat-color-3 { background: linear-gradient(135deg, #5D4E37, #8B7355); }
.cat-color-4 { background: linear-gradient(135deg, #1565C0, #42A5F5); }
.cat-color-5 { background: linear-gradient(135deg, #455A64, #78909C); }
.cat-color-6 { background: linear-gradient(135deg, #D4A76A, #E8CFA0); }

.category-count {
    display: block;
    font-size: 0.85rem;
    opacity: 0.85;
    margin-top: 3px;
}

/* ---------- Colorful Product Placeholders ---------- */
.product-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    gap: 10px;
    position: relative;
}

.prod-color-1  { background: linear-gradient(135deg, #1B5E20, #4CAF50); }
.prod-color-2  { background: linear-gradient(135deg, #0D7377, #26C6DA); }
.prod-color-3  { background: linear-gradient(135deg, #33691E, #8BC34A); }
.prod-color-4  { background: linear-gradient(135deg, #004D40, #00897B); }
.prod-color-5  { background: linear-gradient(135deg, #1A237E, #5C6BC0); }
.prod-color-6  { background: linear-gradient(135deg, #BF360C, #FF7043); }
.prod-color-7  { background: linear-gradient(135deg, #4E342E, #8D6E63); }
.prod-color-8  { background: linear-gradient(135deg, #263238, #546E7A); }
.prod-color-9  { background: linear-gradient(135deg, #E65100, #FFA726); }
.prod-color-10 { background: linear-gradient(135deg, #1B5E20, #66BB6A); }
.prod-color-11 { background: linear-gradient(135deg, #0D47A1, #42A5F5); }
.prod-color-12 { background: linear-gradient(135deg, #311B92, #7E57C2); }
.prod-color-13 { background: linear-gradient(135deg, #F57F17, #FFEE58); }
.prod-color-14 { background: linear-gradient(135deg, #3E2723, #795548); }
.prod-color-15 { background: linear-gradient(135deg, #F5F5DC, #D4A76A); }
.prod-color-16 { background: linear-gradient(135deg, #37474F, #90A4AE); }

.placeholder-name {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    text-align: center;
    padding: 0 15px;
    max-width: 100%;
}

/* ---------- Colorful Blog Placeholders ---------- */
.blog-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: #fff;
    gap: 10px;
}

.blog-color-1 { background: linear-gradient(135deg, #0D7377, #44A148); }
.blog-color-2 { background: linear-gradient(135deg, #1B5E20, #81C784); }
.blog-color-3 { background: linear-gradient(135deg, #004D40, #26A69A); }
.blog-color-4 { background: linear-gradient(135deg, #33691E, #8BC34A); }
.blog-color-5 { background: linear-gradient(135deg, #0A5C5F, #14A3A8); }
.blog-color-6 { background: linear-gradient(135deg, #4E342E, #D4A76A); }

.placeholder-title {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
    text-align: center;
    padding: 0 15px;
}

/* ---------- How It Works / Steps ---------- */
.how-it-works-section {
    background: var(--clr-surface);
}

.steps-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.step-card {
    flex: 1;
    max-width: 280px;
    text-align: center;
    padding: 40px 25px;
    background: var(--clr-bg);
    border-radius: var(--radius);
    position: relative;
    transition: all var(--transition);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    position: absolute;
    top: -18px;
    right: 50%;
    transform: translateX(50%);
    width: 36px;
    height: 36px;
    background: var(--clr-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    box-shadow: 0 4px 12px rgba(13, 115, 119, 0.3);
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.step-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--clr-text);
}

.step-card p {
    color: var(--clr-text-md);
    font-size: 0.9rem;
}

.step-connector {
    font-size: 1.5rem;
    color: var(--clr-primary-light);
    opacity: 0.5;
    flex-shrink: 0;
}

/* ---------- Testimonials ---------- */
.trust-section {
    background: linear-gradient(135deg, rgba(13, 115, 119, 0.03), rgba(68, 161, 72, 0.03));
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--clr-surface);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all var(--transition);
    border-top: 3px solid var(--clr-primary);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.testimonial-stars {
    margin-bottom: 15px;
    font-size: 1rem;
    letter-spacing: 2px;
}

.testimonial-text {
    color: var(--clr-text-md);
    line-height: 1.9;
    margin-bottom: 20px;
    font-size: 0.95rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.testimonial-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.testimonial-author strong {
    display: block;
    color: var(--clr-text);
}

.testimonial-author span {
    font-size: 0.85rem;
    color: var(--clr-text-lt);
}

/* ---------- CTA Enhancements ---------- */
.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-section .btn-outline {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}

.cta-section .btn-outline:hover {
    background: #fff;
    color: var(--clr-primary);
    border-color: #fff;
}

/* ---------- Product Detail Placeholder ---------- */
.product-placeholder-lg {
    height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    background: linear-gradient(135deg, #0D7377, #44A148);
    border-radius: var(--radius);
    color: #fff;
}

/* ---------- Responsive additions ---------- */
@media (max-width: 992px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .steps-grid {
        flex-direction: column;
    }

    .step-connector {
        transform: rotate(90deg);
    }

    .hero-stats {
        flex-wrap: wrap;
        padding: 15px 20px;
    }
}

@media (max-width: 768px) {
    .hero-badge {
        font-size: 0.85rem;
        padding: 6px 18px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 10px;
    }

    .hero-stat-divider {
        width: 50px;
        height: 1px;
    }

    .hero-stat-number {
        font-size: 2rem;
    }

    .floating-icon {
        display: none;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}


/* ══════════════════════════════════════════
   CART STYLES
   ══════════════════════════════════════════ */

/* ── Cart Icon in Navbar ──────────────────── */
.cart-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 50px;
    background: rgba(13,115,119,0.08);
    transition: all 0.3s ease;
}

.cart-link:hover {
    background: rgba(13,115,119,0.15);
    transform: translateY(-1px);
}

.cart-icon-emoji {
    font-size: 1.2rem;
}

.cart-badge {
    position: absolute;
    top: -4px;
    left: -4px;
    background: var(--danger, #E53E3E);
    color: white;
    font-size: 0.65rem;
    font-weight: 800;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    box-shadow: 0 2px 6px rgba(229,62,62,0.4);
    animation: cartBadgePop 0.3s ease;
}

@keyframes cartBadgePop {
    0% { transform: scale(0); }
    60% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

/* ===================================================
   Substrate Calculator
   =================================================== */
.calculator-section {
    background: linear-gradient(135deg, #f0f7f4 0%, #e8f4f0 50%, #f7f9f4 100%);
}

.calculator-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

/* -- Input Panel -- */
.calc-input-panel {
    background: var(--clr-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px;
    display: flex;
    gap: 40px;
    align-items: center;
}

.calc-visual {
    flex: 0 0 220px;
}

.aquarium-3d {
    perspective: 600px;
}

.aquarium-box {
    position: relative;
    width: 200px;
    height: 140px;
    border: 3px solid var(--clr-primary);
    border-radius: 6px 6px 10px 10px;
    transform: rotateX(5deg) rotateY(-8deg);
    overflow: hidden;
}

.calculator-image-button {
    all: unset;
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
    cursor: pointer;
    border-radius: inherit;
    overflow: hidden;
}

.calculator-preview-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.calculator-image-button:hover .calculator-preview-image {
    transform: scale(1.02);
}

.calculator-image-label {
    position: absolute;
    bottom: 14px;
    right: 14px;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.9rem;
    pointer-events: none;
}

.image-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.78);
    padding: 24px;
}

.image-modal.open {
    display: flex;
}

.image-modal-content {
    position: relative;
    max-width: 92vw;
    max-height: 92vh;
    width: auto;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-modal-content img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    display: block;
}

.image-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    color: #111;
    font-size: 1.4rem;
    cursor: pointer;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-modal-close:hover {
    background: rgba(255, 255, 255, 1);
}

@keyframes waterWave {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

.aquarium-layers {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 35%;
    display: flex;
    flex-direction: column;
}

.layer {
    flex: 1;
    transition: background 0.3s ease;
}

.layer-filter {
    background: repeating-linear-gradient(0deg, #c4a86b, #d4b87a 2px, #c4a86b 4px);
}

.layer-soil {
    background: repeating-linear-gradient(0deg, #3d2b1f, #4a3628 2px, #3d2b1f 4px);
}

.layer-silica {
    background: repeating-linear-gradient(0deg, #e8e0d0, #f0ead8 2px, #e8e0d0 4px);
}

.aquarium-label-l,
.aquarium-label-w {
    position: absolute;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--clr-primary);
    background: rgba(255,255,255,0.85);
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
}

.aquarium-label-l {
    bottom: -22px;
    left: 50%;
    transform: translateX(-50%);
}

.aquarium-label-w {
    top: 50%;
    right: -40px;
    transform: translateY(-50%) rotate(-90deg);
}

.calc-fields {
    flex: 1;
}

.calc-fields h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--clr-text);
}

.calc-field-group {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.calc-field {
    flex: 1;
}

.calc-field label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--clr-text-md);
    margin-bottom: 6px;
}

.input-with-unit {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-unit input {
    width: 100%;
    padding: 12px 50px 12px 16px;
    font-family: var(--font-main);
    font-size: 1.1rem;
    font-weight: 600;
    border: 2px solid var(--clr-border);
    border-radius: var(--radius-sm);
    background: var(--clr-bg);
    color: var(--clr-text);
    transition: border-color var(--transition);
    text-align: center;
}

.input-with-unit input:focus {
    outline: none;
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(13,115,119,0.1);
}

.input-with-unit .unit {
    position: absolute;
    left: 14px;
    color: var(--clr-text-lt);
    font-size: 0.85rem;
    font-weight: 600;
    pointer-events: none;
}

.calc-btn {
    font-size: 1.05rem;
    padding: 14px;
}

.calc-note {
    text-align: center;
    color: var(--clr-text-lt);
    font-size: 0.85rem;
    margin-top: 12px;
}

/* -- Results Panel -- */
.calc-results {
    margin-top: 30px;
    animation: fadeSlideUp 0.5s ease;
}

.results-title {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color: var(--clr-text);
}

.results-summary {
    margin-bottom: 24px;
    color: var(--clr-text-md);
    font-size: 1rem;
}

.results-summary strong {
    color: var(--clr-primary);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.result-card {
    background: var(--clr-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}

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

.result-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 20px 12px;
    border-bottom: 1px solid var(--clr-border);
}

.result-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.result-card-header h4 {
    font-size: 1.05rem;
    margin: 0;
    color: var(--clr-text);
}

.result-desc {
    font-size: 0.8rem;
    color: var(--clr-text-lt);
    margin: 2px 0 0;
}

.result-card-body {
    padding: 16px 20px 20px;
}

.result-stats {
    display: flex;
    gap: 24px;
    margin-bottom: 16px;
}

.result-stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--clr-primary);
    line-height: 1.1;
}

.stat-label {
    display: block;
    font-size: 0.78rem;
    color: var(--clr-text-lt);
    margin-top: 2px;
}

.result-product {
    background: var(--clr-bg);
    border-radius: var(--radius-sm);
    padding: 14px;
}

.result-product-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    flex-wrap: wrap;
    gap: 6px;
}

.result-product-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--clr-primary);
}

.result-product-name:hover {
    text-decoration: underline;
}

.result-product-price {
    font-size: 0.8rem;
    color: var(--clr-text-lt);
}

.result-product-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.result-qty-badge {
    display: inline-block;
    background: var(--clr-primary);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 50px;
}

.result-line-total {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--clr-accent);
}

.result-product-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.result-product-buttons .btn {
    flex: 1;
    min-width: 100px;
    text-align: center;
    font-size: 0.82rem;
    padding: 8px 10px;
}

.result-product-unavailable {
    text-align: center;
    padding: 20px;
    color: var(--clr-text-lt);
}

.unavailable-text {
    font-size: 0.9rem;
}

.btn-success {
    background: var(--clr-success) !important;
    border-color: var(--clr-success) !important;
    color: #fff !important;
}

/* -- Results Total -- */
.results-total {
    margin-top: 8px;
}

.results-total-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 24px;
    background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-primary-dark) 100%);
    color: #fff;
    border-radius: var(--radius);
    font-size: 1.15rem;
}

.results-total-inner strong {
    font-size: 1.4rem;
}

/* -- Responsive -- */
@media (max-width: 768px) {
    .calc-input-panel {
        flex-direction: column;
        padding: 24px;
        gap: 24px;
    }

    .calc-visual {
        flex: none;
        display: flex;
        justify-content: center;
    }

    .aquarium-box {
        width: 160px;
        height: 110px;
    }

    .aquarium-label-w {
        right: -34px;
    }

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

    .results-total-inner {
        flex-direction: column;
        text-align: center;
        gap: 6px;
    }
}
}

/* ── Cart Page Layout ─────────────────────── */
.cart-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 30px;
    align-items: start;
}

.cart-items {
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
    overflow: hidden;
}

.cart-header-row {
    display: grid;
    grid-template-columns: 2fr 1fr 140px 1fr 50px;
    gap: 15px;
    padding: 16px 24px;
    background: var(--bg-dark, #2D3436);
    color: white;
    font-weight: 700;
    font-size: 0.9rem;
}

.cart-item {
    display: grid;
    grid-template-columns: 2fr 1fr 140px 1fr 50px;
    gap: 15px;
    padding: 20px 24px;
    align-items: center;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.2s ease;
}

.cart-item:hover {
    background: #fafafa;
}

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

.cart-col-product {
    display: flex;
    align-items: center;
    gap: 15px;
}

.cart-item-image {
    width: 70px;
    height: 70px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-placeholder {
    width: 70px;
    height: 70px;
    border-radius: 12px;
    background: linear-gradient(135deg, #0D7377, #44A148);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.cart-item-info h3 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.cart-item-info h3 a {
    color: var(--text-dark, #1a1a2e);
    text-decoration: none;
}

.cart-item-info h3 a:hover {
    color: var(--primary, #0D7377);
}

.cart-item-category {
    font-size: 0.8rem;
    color: #888;
}

.cart-price {
    font-weight: 600;
    color: var(--primary, #0D7377);
}

/* ── Quantity Controls ────────────────────── */
.cart-qty-form {
    display: flex;
    align-items: center;
    gap: 0;
    border: 2px solid #e8e8e8;
    border-radius: 10px;
    overflow: hidden;
    width: fit-content;
}

.qty-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: #f5f5f5;
    font-size: 1.1rem;
    font-weight: 700;
    color: #555;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.qty-btn:hover {
    background: var(--primary, #0D7377);
    color: white;
}

.qty-input {
    width: 45px;
    height: 36px;
    border: none;
    text-align: center;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: 'Cairo', sans-serif;
    -moz-appearance: textfield;
    background: white;
}

.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.cart-item-total {
    font-weight: 700;
    color: var(--text-dark, #1a1a2e);
    font-size: 1.05rem;
}

.cart-remove-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: #ccc;
    font-size: 1.2rem;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-remove-btn:hover {
    background: #FEE2E2;
    color: #E53E3E;
}

/* ── Cart Summary ─────────────────────────── */
.cart-summary {
    background: white;
    border-radius: 16px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
    padding: 28px;
    position: sticky;
    top: 100px;
}

.cart-summary h2 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.cart-summary .summary-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    font-size: 1rem;
}

.cart-summary .summary-total {
    border-top: 2px solid #f0f0f0;
    margin-top: 10px;
    padding-top: 15px;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--primary, #0D7377);
}

/* ── Empty Cart ───────────────────────────── */
.empty-cart {
    text-align: center;
    padding: 80px 20px;
}

.empty-cart-icon {
    font-size: 5rem;
    margin-bottom: 20px;
    opacity: 0.4;
}

.empty-cart h2 {
    font-size: 1.8rem;
    color: var(--text-dark, #1a1a2e);
    margin-bottom: 10px;
}

.empty-cart p {
    color: #888;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

/* ── Add-to-Cart Button Styles ────────────── */
.btn-add-cart {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--accent, #44A148);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: 'Cairo', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-add-cart:hover {
    background: #3a8c3e;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(68,161,72,0.3);
}

.btn-add-cart.added {
    background: var(--primary, #0D7377);
}

.product-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.product-detail-actions {
    display: flex;
    gap: 12px;
    margin-top: 10px;
}

/* ── Cart toast notification ──────────────── */
.cart-toast {
    position: fixed;
    top: 90px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: var(--accent, #44A148);
    color: white;
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 8px 30px rgba(68,161,72,0.35);
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

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

/* ── Cart Responsive ──────────────────────── */
@media (max-width: 992px) {
    .cart-layout {
        grid-template-columns: 1fr;
    }

    .cart-summary {
        position: static;
    }
}

@media (max-width: 768px) {
    .cart-header-row {
        display: none;
    }

    .cart-item {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 20px;
    }

    .cart-col-product {
        gap: 12px;
    }

    .cart-col-price,
    .cart-col-total {
        display: flex;
        justify-content: space-between;
    }

    .cart-col-price::before {
        content: 'السعر:';
        color: #888;
        font-weight: 400;
    }

    .cart-col-total::before {
        content: 'الإجمالي:';
        color: #888;
        font-weight: 400;
    }

    .cart-col-qty {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .cart-col-qty::before {
        content: 'الكمية:';
        color: #888;
    }

    .cart-col-action {
        position: absolute;
        top: 15px;
        left: 15px;
    }

    .cart-item {
        position: relative;
    }
}