/* ===== GLOBAL STYLES ===== */
:root {
    --primary: #061E29;
    --primary-light: #1D546D;
    --secondary: #5F9598;
    --accent: #5F9598;
    --dark: #061E29;
    --light: #F3F4F4;
    --grey: #6c757d;
    --grey-light: #e9ecef;
    --text-dark: #1a1a1a;
    --white: #ffffff;
    --success: #28a745;
    --error: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

a[href^="#"] {
    transition: all 0.3s ease;
}

/* ===== NAVBAR ===== */
nav {
    position: sticky;
    top: 0;
    background: linear-gradient(135deg, rgba(6, 30, 41, 0.95), rgba(29, 84, 109, 0.95));
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    border-bottom: 1px solid rgba(95, 149, 152, 0.1);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 3rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links .navbar-cta-btn-container:hover {
    text-decoration: none;
}

.nav-links a:hover {
    color: var(--secondary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    transition: width 0.3s ease;
    border-radius: 2px;
}

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

.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
    user-select: none;
}

.dropdown-toggle::after {
    content: '▾';
    margin-left: 0.5rem;
    font-size: 0.6rem;
    transition: transform 0.3s ease;
}

.dropdown {
    position: relative;
}

.dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: linear-gradient(135deg, rgba(6, 30, 41, 0.98), rgba(29, 84, 109, 0.98));
    border: 1px solid rgba(95, 149, 152, 0.2);
    border-radius: 12px;
    min-width: 220px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    overflow: visible;
    backdrop-filter: blur(20px);
    z-index: 1000;
    pointer-events: none;
}

.dropdown:hover .dropdown-menu {
    display: block;
    pointer-events: auto;
    animation: slideDown 0.3s ease;
}

.dropdown.keep-open .dropdown-menu {
    display: block;
    pointer-events: auto;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-menu a {
    display: block;
    padding: 1rem 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.dropdown-menu a:hover {
    background: rgba(95, 149, 152, 0.1);
    color: var(--secondary);
    border-left-color: var(--secondary);
    padding-left: 1.8rem;
}

/* Submenu Styling */
.dropdown-submenu {
    position: relative;
}

.submenu-toggle {
    display: block;
    padding: 1rem 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    cursor: pointer;
    user-select: none;
}

.submenu-toggle:hover {
    background: rgba(95, 149, 152, 0.1);
    color: var(--secondary);
    border-left-color: var(--secondary);
    padding-left: 1.8rem;
}

.submenu-content {
    display: none;
    position: absolute;
    top: 0;
    left: 100%;
    background: linear-gradient(135deg, rgba(6, 30, 41, 0.98), rgba(29, 84, 109, 0.98));
    border: 1px solid rgba(95, 149, 152, 0.2);
    border-radius: 12px;
    min-width: 200px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    margin-left: 0.5rem;
    overflow: visible;
    backdrop-filter: blur(20px);
    z-index: 1001;
}

.dropdown-submenu:hover .submenu-content {
    display: block;
    animation: slideDown 0.3s ease;
}

.submenu-content a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
    font-size: 0.95rem;
}

.submenu-content a:hover {
    background: rgba(95, 149, 152, 0.1);
    color: var(--secondary);
    border-left-color: var(--secondary);
    padding-left: 1.8rem;
}

.cta-button {
    background: linear-gradient(135deg, var(--secondary), var(--primary-light));
    color: var(--white);
    padding: 0.8rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(95, 149, 152, 0.3);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(95, 149, 152, 0.5);
}

/* ===== HAMBURGER MENU ===== */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    gap: 6px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 3px;
    transition: all 0.3s ease;
}

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

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

    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        flex-direction: column;
        gap: 0;
        background: linear-gradient(135deg, rgba(6, 30, 41, 0.98), rgba(29, 84, 109, 0.98));
        padding: 1rem 0;
    }

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

    .nav-links a {
        padding: 1rem 2rem;
        border-bottom: 1px solid rgba(95, 149, 152, 0.1);
    }

    .nav-links a::after {
        display: none;
    }

    .dropdown-menu {
        position: static;
        display: none;
        background: rgba(6, 30, 41, 0.9);
        box-shadow: none;
        margin-top: 0;
        border: none;
    }

    .dropdown:hover .dropdown-menu,
    .dropdown.active .dropdown-menu {
        display: block;
    }

    .dropdown-menu a {
        padding: 0.8rem 2rem 0.8rem 3rem;
        border: none;
    }

    .dropdown-menu a:hover {
        padding-left: 3rem;
    }

    .navbar-cta-btn-container {
        width: 100%;
    }

    .cta-button {
        width: 100%;
        text-align: center;
    }
}

/* ===== FOOTER ===== */
footer {
    background: linear-gradient(135deg, rgba(6, 30, 41, 0.98), rgba(29, 84, 109, 0.98));
    color: rgba(255, 255, 255, 0.8);
    padding: 4rem 2rem 1rem;
    border-top: 1px solid rgba(95, 149, 152, 0.2);
    margin-top: 6rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.footer-section p {
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(95, 149, 152, 0.2);
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    footer {
        padding: 3rem 1rem 1rem;
        margin-top: 4rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-section h3 {
        font-size: 1rem;
    }
}

/* ===== COMMON COMPONENTS ===== */

/* Back Link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary);
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: var(--primary-light);
    transform: translateX(-4px);
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-inquire, .btn-request-quote, .btn-view-all, .btn-view-details, .btn-submit {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

/* Enhanced button styles for homepage and specific pages */
.btn-primary {
    padding: 1.15rem 2.8rem;
    border-radius: 12px;
    font-weight: 700;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
    font-size: 1rem;
    letter-spacing: 0.5px;
    position: relative;
    overflow: visible;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    vertical-align: middle;
    background: linear-gradient(135deg, var(--secondary), var(--primary-light));
    color: var(--white);
    box-shadow: 0 12px 30px rgba(95, 149, 152, 0.4);
    text-transform: uppercase;
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 50px rgba(95, 149, 152, 0.6);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-icon {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.btn-primary:hover .btn-icon,
.btn-secondary:hover .btn-icon {
    transform: scale(1.2);
}

.btn-secondary {
    padding: 1.15rem 2.8rem;
    border-radius: 12px;
    font-weight: 700;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
    font-size: 1rem;
    letter-spacing: 0.5px;
    position: relative;
    overflow: visible;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    vertical-align: middle;
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border: 2px solid var(--secondary);
    backdrop-filter: blur(10px);
    font-weight: 600;
}

.btn-secondary::before {
    display: none;
}

.btn-secondary:hover {
    background: var(--secondary);
    color: var(--white);
    border-color: var(--primary-light);
    box-shadow: 0 12px 30px rgba(95, 149, 152, 0.4);
    transform: translateY(-4px);
}

.btn-secondary .btn-icon {
    display: inline-block;
    margin-right: 0.5rem;
    font-size: 1.1em;
}

/* CTA Button variants */
.cta-button {
    background: linear-gradient(135deg, var(--secondary), var(--primary-light));
    color: var(--white);
    padding: 1rem 2.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.4s ease;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 50px rgba(95, 149, 152, 0.4);
}

.cta-button-primary {
    background: linear-gradient(135deg, var(--secondary), var(--primary-light));
    color: var(--white);
    padding: 1.2rem 3rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.4s ease;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
}

.cta-button-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 50px rgba(95, 149, 152, 0.4);
}

.btn-inquire, .btn-request-quote, .btn-view-details {
    background: var(--secondary);
    color: var(--white);
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
}

.btn-inquire:hover, .btn-request-quote:hover, .btn-view-details:hover {
    background: var(--primary-light);
    box-shadow: 0 4px 8px rgba(29, 84, 109, 0.2);
}

.btn-view-all {
    background: var(--grey-light);
    color: var(--text-dark);
    border: 1px solid var(--grey);
}

.btn-view-all:hover {
    background: var(--grey);
    color: var(--white);
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
    animation: slideDown 0.3s ease;
}

.alert-success {
    background-color: #d4edda;
    border-color: var(--success);
    color: #155724;
}

.alert-error {
    background-color: #f8d7da;
    border-color: var(--error);
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: var(--warning);
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: var(--info);
    color: #0c5460;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== SECTION TITLES ===== */
.section-title {
    font-size: 2.8rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--primary);
    font-weight: 800;
    letter-spacing: -0.5px;
    position: relative;
    display: inline-block;
    width: 100%;
    padding-bottom: 1.5rem;
}

.section-title::after {
    content: '';
    bottom: 0;
    left: 50%;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    border-radius: 2px;
}

/* ===== PRODUCT DETAIL PAGE ===== */
.product-detail-hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    padding: 4rem 2rem;
    margin-top: 80px;
    border-bottom: 2px solid var(--secondary);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.product-detail-hero .back-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.95rem;
    display: inline-block;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.product-detail-hero .back-link:hover {
    color: var(--white);
    transform: translateX(-5px);
}

.product-detail-hero h1 {
    font-size: 2.8rem;
    margin: 0 0 0.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.product-detail-hero .product-category {
    display: inline-block;
    background: var(--secondary);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-top: 0.5rem;
    box-shadow: 0 4px 15px rgba(95, 149, 152, 0.3);
}

.product-detail-section {
    padding: 4rem 2rem;
    background: var(--white);
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
    align-items: start;
}

.product-detail-image {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    position: sticky;
    top: 140px;
}

.product-image-large {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--light), var(--grey-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    margin-bottom: 1rem;
    box-shadow: 0 15px 40px rgba(6, 30, 41, 0.15);
    border: 1px solid rgba(95, 149, 152, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-image-large:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(6, 30, 41, 0.2);
}

.product-image-caption {
    text-align: center;
    color: var(--grey);
    font-size: 0.9rem;
    font-weight: 500;
}

.product-detail-info {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 2rem;
}

.info-header {
    border-bottom: 2px solid var(--secondary);
    padding-bottom: 1.5rem;
}

.info-header h2 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.category-badge {
    display: inline-block;
    background: var(--secondary);
    color: var(--white);
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.product-description-box {
    background: linear-gradient(135deg, rgba(95, 149, 152, 0.05), rgba(95, 149, 152, 0.08));
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--secondary);
}

.product-description-box h3 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.product-description-box p {
    color: var(--text-dark);
    font-size: 0.95rem;
    line-height: 1.8;
}

.price-section h2,
.specs-section h2 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.product-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.price-note {
    font-size: 0.9rem;
    color: var(--grey);
}

.specs-list {
    list-style: none;
    padding: 0;
}

.specs-list li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
    color: var(--text-dark);
}

.specs-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
}

.actions-section {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-request-quote,
.btn-view-all {
    flex: 1;
    min-width: 150px;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-request-quote {
    background: var(--secondary);
    color: var(--white);
    box-shadow: 0 8px 20px rgba(95, 149, 152, 0.3);
}

.btn-request-quote:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(95, 149, 152, 0.4);
}

.btn-view-all {
    background: transparent;
    color: var(--secondary);
    border: 2px solid var(--secondary);
}

.btn-view-all:hover {
    background: var(--secondary);
    color: var(--white);
    transform: translateY(-3px);
}

.info-box {
    background: linear-gradient(135deg, rgba(6, 30, 41, 0.05), rgba(29, 84, 109, 0.05));
    padding: 1.8rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary);
    border-top: 1px solid rgba(95, 149, 152, 0.1);
}

.info-box h3 {
    font-size: 1rem;
    color: var(--primary);
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.info-box p {
    color: var(--text-dark);
    font-size: 0.95rem;
    line-height: 1.7;
}

.product-full-description {
    background: var(--light);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.product-full-description h2 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.product-applications {
    margin-bottom: 4rem;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, rgba(95, 149, 152, 0.05), rgba(95, 149, 152, 0.08));
    border-radius: 12px;
    border-top: 2px solid var(--secondary);
}

.product-applications h2 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 2rem;
    font-weight: 700;
    text-align: center;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.application-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 8px 20px rgba(6, 30, 41, 0.08);
    border-top: 3px solid var(--secondary);
    transition: all 0.3s ease;
}

.application-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(6, 30, 41, 0.15);
}

.app-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

.application-item h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.application-item p {
    color: var(--grey);
    font-size: 0.95rem;
    line-height: 1.6;
}

.quality-section {
    margin-bottom: 4rem;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, rgba(6, 30, 41, 0.05), rgba(29, 84, 109, 0.05));
    border-radius: 12px;
    border-top: 2px solid var(--primary);
}

.quality-section h2 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 2rem;
    font-weight: 700;
    text-align: center;
}

.quality-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.quality-item {
    justify-items: center;
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(6, 30, 41, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(95, 149, 152, 0.1);
}

.quality-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(95, 149, 152, 0.2);
    border-color: var(--secondary);
}

.quality-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: inline-block;
    background: linear-gradient(135deg, rgba(95, 149, 152, 0.1), rgba(95, 149, 152, 0.15));
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quality-item h3 {
    font-size: 1rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.quality-item p {
    color: var(--grey);
    font-size: 0.9rem;
    line-height: 1.6;
}

.related-products {
    padding: 3rem 2rem;
    background: var(--light);
}

.related-products .section-title {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 2rem;
    font-weight: 700;
    text-align: center;
}

.related-products .products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(6, 30, 41, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(6, 30, 41, 0.15);
}

.product-image-container {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--light), var(--grey-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    overflow: hidden;
}

.product-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex-grow: 1;
}

.product-category {
    display: inline-block;
    background: var(--secondary);
    color: var(--white);
    padding: 0.3rem 0.7rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
    width: fit-content;
}

.product-info h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-weight: 600;
    line-height: 1.3;
}

.product-description {
    font-size: 0.9rem;
    color: var(--grey);
    line-height: 1.5;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.product-price {
    font-size: 1.1rem;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.btn-view-details {
    display: inline-block;
    background: var(--secondary);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid var(--secondary);
}

.btn-view-details:hover {
    background: transparent;
    color: var(--secondary);
}

/* ===== CONTACT PAGE ===== */
.contact-hero {
    background: linear-gradient(135deg, rgba(6, 30, 41, 0.9), rgba(29, 84, 109, 0.9));
    color: var(--white);
    padding: 3rem 2rem;
    text-align: center;
    margin-top: 80px;
}

.contact-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.contact-hero p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.contact-section {
    padding: 3rem 2rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-form-container h2,
.contact-info-container h2 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.75rem;
    border: 1px solid var(--grey-light);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(95, 149, 152, 0.1);
    background-color: rgba(95, 149, 152, 0.02);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    margin-top: 0.5rem;
}

/* Contact Info */
.contact-info-box {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--light);
    border-radius: 8px;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.contact-info-box:hover {
    box-shadow: 0 4px 12px rgba(95, 149, 152, 0.1);
    transform: translateY(-2px);
}

.info-icon {
    font-size: 2rem;
    min-width: 50px;
    text-align: center;
}

.info-content h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.info-content p {
    color: var(--grey);
    font-size: 0.95rem;
    margin: 0.2rem 0;
}

.info-content a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 600;
}

.info-content a:hover {
    color: var(--primary-light);
}

.quick-links {
    background: var(--light);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1.5rem;
}

.quick-links h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.quick-links ul {
    list-style: none;
}

.quick-links li {
    margin-bottom: 0.5rem;
}

.quick-links a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.quick-links a:hover {
    color: var(--primary-light);
    margin-left: 5px;
}

/* FAQ Section */
.faq-section {
    padding: 3rem 2rem;
    background: var(--light);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.faq-item {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--secondary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.faq-item h3 {
    font-size: 1rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.faq-item p {
    color: var(--grey);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== FAQ PAGE ===== */
.faq-hero {
    background: linear-gradient(135deg, rgba(6, 30, 41, 0.9), rgba(29, 84, 109, 0.9));
    color: var(--white);
    padding: 3rem 2rem;
    text-align: center;
    margin-top: 80px;
}

.faq-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.faq-hero p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.faq-content-section {
    padding: 3rem 2rem;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-category {
    margin-bottom: 3rem;
}

.faq-category h2 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--secondary);
}

.faq-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--grey-light);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 12px rgba(95, 149, 152, 0.1);
    border-color: var(--secondary);
}

.faq-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: var(--light);
    cursor: pointer;
    user-select: none;
    transition: all 0.3s ease;
}

.faq-header:hover {
    background: rgba(95, 149, 152, 0.05);
}

.faq-header h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin: 0;
    flex: 1;
}

.faq-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--secondary);
    color: var(--white);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: bold;
    transition: all 0.3s ease;
    margin-left: 1rem;
}

.faq-item.active .faq-toggle {
    background: var(--primary-light);
    transform: rotate(180deg);
}

.faq-body {
    max-height: 0;
    overflow: hidden;
    padding: 0 1.5rem;
    transition: max-height 0.3s ease, padding 0.3s ease;
    color: var(--text-dark);
    line-height: 1.8;
}

.faq-item.active .faq-body {
    padding: 1.5rem;
}

.faq-body p {
    margin: 0;
    color: var(--grey);
}

.faq-body strong {
    color: var(--primary);
}

.faq-body br {
    line-height: 2;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .faq-hero h1 {
        font-size: 2rem;
    }

    .faq-category h2 {
        font-size: 1.5rem;
    }

    .faq-header {
        padding: 1rem;
        flex-wrap: wrap;
    }

    .faq-header h3 {
        font-size: 1rem;
    }

    .faq-toggle {
        width: 28px;
        height: 28px;
        font-size: 1.2rem;
        margin-left: 0.5rem;
    }

    .faq-body {
        padding: 0 1rem;
    }

    .faq-item.active .faq-body {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .faq-hero {
        padding: 2rem 1rem;
    }

    .faq-hero h1 {
        font-size: 1.5rem;
    }

    .faq-hero p {
        font-size: 1rem;
    }

    .faq-content-section {
        padding: 2rem 1rem;
    }

    .faq-category h2 {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }

    .faq-items {
        gap: 0.75rem;
    }

    .faq-header {
        padding: 0.75rem;
    }

    .faq-header h3 {
        font-size: 0.95rem;
    }

    .faq-toggle {
        width: 24px;
        height: 24px;
        font-size: 1rem;
    }

    .faq-body {
        font-size: 0.9rem;
    }
}

/* ===== COMMON ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}


@media (max-width: 768px) {
    .product-detail-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .product-detail-image {
        position: static;
        top: auto;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .product-detail-hero {
        padding: 2.5rem 1.5rem;
    }

    .product-detail-hero h1,
    .contact-hero h1 {
        font-size: 1.8rem;
    }

    .product-detail-section {
        padding: 2rem 1rem;
    }

    .product-image-large {
        font-size: 3.5rem;
        aspect-ratio: 1;
    }

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

    .btn-request-quote,
    .btn-view-all {
        width: 100%;
    }

    .applications-grid,
    .quality-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .product-applications,
    .quality-section {
        margin-bottom: 2.5rem;
        padding: 2rem 1rem;
    }

    .product-applications h2,
    .quality-section h2 {
        font-size: 1.4rem;
        margin-bottom: 1.5rem;
    }

    .related-products {
        padding: 2rem 1rem;
    }

    .related-products .section-title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .related-products .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.5rem;
    }

    .product-card {
        border-radius: 10px;
    }

    .product-info {
        padding: 1rem;
    }

    .product-info h3 {
        font-size: 1rem;
    }

    .product-description {
        font-size: 0.85rem;
        margin-bottom: 0.75rem;
    }

    .btn-view-details {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }

    .contact-info-box {
        flex-direction: column;
    }

    .info-icon {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .product-detail-section,
    .contact-section,
    .faq-section {
        padding: 2rem 1rem;
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: 2rem;
    }

    .product-detail-hero h1,
    .contact-hero h1 {
        font-size: 1.5rem;
    }

    .related-products {
        padding: 1.5rem 1rem;
    }

    .related-products .section-title {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }

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

    .product-image-container {
        aspect-ratio: 1;
        font-size: 2.5rem;
    }

    .product-info {
        padding: 0.9rem;
    }

    .product-info h3 {
        font-size: 0.95rem;
        margin-bottom: 0.4rem;
    }

    .product-description {
        font-size: 0.8rem;
        margin-bottom: 0.6rem;
    }

    .product-price {
        font-size: 1rem;
        margin-bottom: 0.8rem;
    }

    .btn-view-details {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }

    .product-image-large {
        font-size: 3rem;
    }

    .price-section h2,
    .specs-section h2,
    .product-applications h2,
    .quality-section h2 {
        font-size: 1.2rem;
    }

    .product-price {
        font-size: 1.5rem;
    }

    .btn-primary,
    .btn-submit,
    .btn-inquire {
        width: 100%;
        text-align: center;
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px;
    }
}