/* Reset & Base - High End Refinements */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@700&display=swap');

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

:root {
    /* Premium Color Palette */
    --primary-color: #0f172a; /* Deep Navy */
    --accent-color: #0ea5e9; /* Sky Blue */
    --gold-color: #c0a062; /* Muted Gold */
    --text-color: #334155; /* Slate 700 */
    --light-text: #64748b; /* Slate 500 */
    --bg-light: #f8fafc; /* Slate 50 */
    --white: #ffffff;
    --dark-bg: #1e293b;
    --border-color: #e2e8f0;
    --shadow-soft: 0 10px 30px -5px rgba(0, 0, 0, 0.05);
    --shadow-strong: 0 20px 40px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-light);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

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

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

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Layout Utilities */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.section-bg {
    background-color: #ffffff;
    background-image: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.section-title {
    text-align: center;
    margin-bottom: 70px;
    position: relative;
    z-index: 2;
}

.section-title h2 {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.section-title h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--gold-color));
    margin: 20px auto 0;
    border-radius: 2px;
}

.section-title p {
    color: var(--light-text);
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons - Modern & High End */
.btn {
    display: inline-block;
    padding: 16px 40px;
    background: linear-gradient(135deg, var(--primary-color), #334155);
    color: var(--white);
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: var(--transition);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    z-index: -1;
    transition: opacity 0.4s ease;
    opacity: 0;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(15, 23, 42, 0.4);
    color: var(--white);
}

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

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: none;
}

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

/* Header - Glassmorphism */
header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo img {
    height: 55px;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links li a {
    font-weight: 500;
    font-size: 1.05rem;
    color: var(--text-color);
    position: relative;
}

.nav-links li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

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

.nav-links li a:hover, .nav-links li a.active {
    color: var(--primary-color);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 2px;
    margin: 6px auto;
    transition: var(--transition);
    background-color: var(--primary-color);
}

/* Hero Slider - High Impact */
.hero {
    margin-top: 0;
    position: relative;
    height: 100vh;
    min-height: 700px;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out, transform 8s ease;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(1.1);
}

.slide.active {
    opacity: 1;
    transform: scale(1);
    z-index: 1;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(15, 23, 42, 0.4), rgba(15, 23, 42, 0.7));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
    max-width: 900px;
}

.hero-content h1 {
    font-family: 'Playfair Display', serif;
    font-size: 4.5rem;
    margin-bottom: 25px;
    line-height: 1.1;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease-out 0.5s both;
}

.hero-content p {
    font-size: 1.4rem;
    margin-bottom: 40px;
    font-weight: 300;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.hero-content .btn {
    animation: fadeInUp 1s ease-out 1.1s both;
}

/* Scroll Down Indicator */
.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: var(--white);
    animation: bounce 2s infinite;
    cursor: pointer;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateX(-50%) translateY(0);}
    40% {transform: translateX(-50%) translateY(-10px);}
    60% {transform: translateX(-50%) translateY(-5px);}
}

/* Core Business / Features - Modern Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--white);
    padding: 50px 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    text-align: left;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.5);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--accent-color), var(--gold-color));
    transition: height 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-strong);
}

.feature-card:hover::before {
    height: 5px;
}

.feature-icon {
    font-size: 3.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 25px;
    display: inline-block;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
    font-weight: 600;
}

/* About Preview */
.about-preview {
    display: flex;
    align-items: center;
    gap: 80px;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 16px;
    box-shadow: var(--shadow-strong);
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: var(--gold-color);
    opacity: 0.1;
    z-index: -1;
    border-radius: 50%;
}

.about-text h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--light-text);
    margin-bottom: 20px;
}

/* Products Grid - 3D Effect */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 40px;
}

.product-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-strong);
}

.product-img {
    height: 280px;
    overflow: hidden;
    position: relative;
}

.product-img::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.3) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-img::after {
    opacity: 1;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.product-info {
    padding: 25px;
    text-align: left;
}

.product-info h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--primary-color);
    font-weight: 600;
}

.product-info p {
    color: var(--light-text);
    font-size: 1rem;
}

/* Footer - Dark & Premium */
footer {
    background: var(--primary-color);
    color: #94a3b8;
    padding: 80px 0 30px;
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 60px;
    margin-bottom: 60px;
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.3rem;
    margin-bottom: 30px;
    font-family: 'Playfair Display', serif;
}

.footer-col ul li {
    margin-bottom: 15px;
}

.footer-col ul li a {
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: var(--gold-color);
    padding-left: 5px;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
}

/* Back to Top */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
    z-index: 999;
}

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

/* Custom Page Headers */
.page-header {
    margin-top: 0;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    position: relative;
    background-attachment: fixed;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(15,23,42,0.6), rgba(15,23,42,0.8));
}

.page-header h1 {
    position: relative;
    z-index: 2;
    color: var(--white);
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    text-shadow: 0 5px 15px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease-out;
}

/* Contact Form Styling */
.contact-info-box, .contact-form-box {
    background: var(--white);
    padding: 50px;
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-color);
}

.form-control {
    border: 2px solid #f1f5f9;
    padding: 15px;
    border-radius: 8px;
    background: #f8fafc;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--accent-color);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1);
}

/* News List Styling */
.news-item {
    border: none;
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-strong);
}

.news-date {
    background: linear-gradient(135deg, var(--primary-color), #334155);
}

/* Responsive */
@media (max-width: 768px) {
    .section-title h2 { font-size: 2.2rem; }
    .hero-content h1 { font-size: 2.5rem; }
    .hamburger { display: block; }
    
    .nav-links {
        position: fixed;
        left: -100%;
        top: 90px;
        gap: 0;
        flex-direction: column;
        background-color: rgba(255,255,255,0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        backdrop-filter: blur(10px);
    }
    
    .nav-links.active { left: 0; }
    .nav-links li { margin: 20px 0; }
    .about-preview { flex-direction: column; gap: 40px; }
    .page-header h1 { font-size: 2.5rem; }
}