/* Shell & Pearl Chemicals - Modern Responsive CSS */

:root {
    --primary-color: #0066cc;
    --secondary-color: #00a8e8;
    --accent-color: #ff6b35;
    --dark-color: #1a1a2e;
    --light-color: #f8f9fa;
    --success-color: #28a745;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --white: #ffffff;
    --shadow: rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header & Navigation */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 10px var(--shadow);
    padding: 0.75rem 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--white) !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
}

.navbar-brand img {
    height: 70px;
    width: auto;
    object-fit: contain;
}

.navbar-nav .nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
    transform: translateY(-2px);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
    width: 80%;
}

.navbar-toggler {
    border-color: var(--text-dark);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2844, 62, 80, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 90vh;
    display: flex;
    align-items: center;
    color: var(--text-dark);
    position: relative;
    overflow: hidden;
    padding: 100px 0 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05) 0%, rgba(0, 168, 232, 0.05) 100%);
    z-index: 1;
}

.min-vh-90 {
    min-height: 80vh;
}

.hero-content-wrapper {
    position: relative;
    z-index: 2;
    padding: 2rem 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: fadeInLeft 1s ease;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: var(--text-dark);
}

.hero-title .text-highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-light);
    line-height: 1.8;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.hero-feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.hero-feature-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.hero-image-wrapper {
    position: relative;
    z-index: 2;
    padding: 2rem 0;
}

.hero-image-container {
    position: relative;
    animation: fadeInRight 1s ease;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-image-frame {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.hero-image-frame:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.02);
}

.hero-main-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
    transition: transform 0.5s ease;
}

.hero-image-frame:hover .hero-main-image {
    transform: scale(1.1);
}

.hero-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1) 0%, rgba(0, 168, 232, 0.1) 100%);
    pointer-events: none;
}

.hero-image-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: -1;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.decoration-circle-1 {
    width: 200px;
    height: 200px;
    top: -50px;
    right: -50px;
    animation-delay: 0s;
}

.decoration-circle-2 {
    width: 150px;
    height: 150px;
    bottom: -30px;
    left: -30px;
    animation-delay: 2s;
}

.decoration-circle-3 {
    width: 100px;
    height: 100px;
    top: 50%;
    right: 10%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0) scale(1);
    }
    50% { 
        transform: translateY(-20px) scale(1.1);
    }
}

.hero-shape-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 120px;
    z-index: 1;
    overflow: hidden;
}

.hero-shape-bottom svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* Buttons */
.btn-primary-custom {
    background: var(--accent-color);
    border: none;
    padding: 12px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
}

.btn-primary-custom:hover {
    background: #ff5722;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.6);
}

.btn-outline-custom {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 12px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    background: var(--white);
}

.btn-outline-custom:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.4);
}

/* Section Styling */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 1rem;
}

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

/* Product Cards */
.product-card {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 20px var(--shadow);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid #e9ecef;
    position: relative;
    overflow: hidden;
}

.product-card[style*="cursor: pointer"] {
    cursor: pointer;
}

.product-card[style*="cursor: pointer"]:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.3);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.2);
}

.product-name {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.product-price {
    font-size: 1.3rem;
    color: var(--accent-color);
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.product-formula {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.product-density {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* About Section */
.about-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.stats-card {
    text-align: center;
    padding: 2rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow);
    transition: all 0.3s ease;
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
}

.stats-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stats-label {
    color: var(--text-light);
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Testimonials */
.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow);
    margin: 1rem;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 20px;
    font-size: 5rem;
    color: var(--primary-color);
    opacity: 0.2;
    font-family: serif;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.testimonial-author {
    font-weight: bold;
    color: var(--primary-color);
}

.testimonial-role {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Contact Form */
.contact-form {
    background: var(--white);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow);
}

.form-control {
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--dark-color) 0%, #16213e 100%);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer h5 {
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.footer a {
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

/* Slider */
.carousel-item {
    min-height: 500px;
}

.carousel-caption {
    background: rgba(0, 0, 0, 0.5);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

/* Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
}

.slide-in-left {
    animation: slideInLeft 0.8s ease;
}

.slide-in-right {
    animation: slideInRight 0.8s ease;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 1s ease-in-out infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-brand img {
        height: 60px;
    }
    
    .hero-section {
        padding: 100px 10px 0;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-image-frame {
        transform: none !important;
        margin-top: 2rem;
    }
    
    .hero-features {
        gap: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        margin: 10px 0 0 0 !important;
    }
    
    .decoration-circle {
        display: none;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .product-card {
        margin-bottom: 2rem;
    }
    
    .contact-form {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-badge {
        font-size: 0.8rem;
        padding: 6px 15px;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .hero-image-wrapper {
        padding: 1rem 0;
    }
    
    .stats-number {
        font-size: 2rem;
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: 0 4px 15px var(--shadow);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--accent-color);
    transform: translateY(-5px);
}

/* Product Details Modal */
#productDetailsModal .modal-content {
    border-radius: 15px;
    overflow: hidden;
    border: none;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

#productDetailsModal .modal-header {
    border-bottom: none;
    padding: 1.5rem;
}

#productDetailsModal .modal-body {
    padding: 2rem;
}

#productDetailsModal .modal-footer {
    border-top: 1px solid #dee2e6;
    padding: 1.5rem;
}

#productDetailsModal .btn-primary-custom {
    font-size: 1.1rem;
    padding: 12px 30px;
    font-weight: 600;
}