/* ===== CSS Variables ===== */
:root {
    --primary: #1a3a5c;
    --primary-dark: #0f2440;
    --primary-light: #2c5282;
    --accent: #e8a838;
    --accent-hover: #d4952e;
    --text: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --bg: #ffffff;
    --bg-light: #f5f7fa;
    --bg-dark: #1a1a2e;
    --border: #e2e8f0;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
    --font-main: 'Roboto', sans-serif;
    --font-heading: 'Oswald', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

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

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 14px 36px;
    font-size: 15px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-main);
}

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

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

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

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

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

.btn-white:hover {
    background: transparent;
    color: #fff;
    border-color: #fff;
}

/* ===== Top Bar ===== */
.top-bar {
    background: var(--primary-dark);
    color: #ccc;
    font-size: 13px;
    padding: 8px 0;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.top-bar-left {
    display: flex;
    gap: 20px;
}

.top-bar-left span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-bar-left i {
    color: var(--accent);
}

.top-bar-right span {
    color: #fff;
    font-weight: 500;
}

/* ===== Header ===== */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    padding-bottom: 12px;
}

.logo h1 {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2px;
    line-height: 1.1;
}

.logo h1 span {
    color: var(--accent);
    font-weight: 400;
}

.logo-sub {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-top: 2px;
}

.nav ul {
    display: flex;
    gap: 8px;
}

.nav ul li a {
    display: block;
    padding: 10px 20px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
}

.nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--accent);
    transition: var(--transition);
}

.nav ul li a:hover::after,
.nav ul li a.active::after {
    width: 60%;
}

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

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.mobile-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero Slider ===== */
.hero-slider {
    position: relative;
    height: 600px;
    overflow: hidden;
}

.slider-container {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active {
    opacity: 1;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 36, 64, 0.85) 0%, rgba(26, 58, 92, 0.6) 100%);
    display: flex;
    align-items: center;
}

.slide-content {
    color: #fff;
    max-width: 600px;
}

.slide-content h2 {
    font-family: var(--font-heading);
    font-size: 52px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
    line-height: 1.1;
    animation: slideUp 0.8s ease forwards;
}

.slide-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
    animation: slideUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.slide-content .btn {
    animation: slideUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--accent);
    transform: scale(1.2);
}

.slider-arrows {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 10;
}

.arrow {
    width: 50px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    border-radius: 50%;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.arrow:hover {
    background: var(--accent);
    border-color: var(--accent);
}

/* ===== Features Section ===== */
.features {
    padding: 0;
    margin-top: -60px;
    position: relative;
    z-index: 10;
}

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

.feature-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: 28px;
    color: var(--accent);
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 10px;
    position: relative;
    padding: 0 20px;
}

.section-tag::before,
.section-tag::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 2px;
    background: var(--accent);
}

.section-tag::before {
    left: -20px;
}

.section-tag::after {
    right: -20px;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-light);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
}

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

/* ===== About Section ===== */
.about-section {
    padding: 100px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-image-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: var(--accent);
    color: #fff;
    padding: 15px 25px;
    border-radius: 8px;
    text-align: center;
}

.badge-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    line-height: 1;
}

.badge-text {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-content .section-tag {
    padding-left: 0;
}

.about-content .section-tag::before {
    display: none;
}

.about-content h2 {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.about-content p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 16px;
}

/* ===== Strength Section ===== */
.strength-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.strength-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.strength-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid transparent;
}

.strength-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--accent);
}

.strength-icon {
    width: 60px;
    height: 60px;
    background: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.strength-icon i {
    font-size: 24px;
    color: var(--accent);
}

.strength-card h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.strength-card p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
}

/* ===== Products Section ===== */
.products-section {
    padding: 100px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.product-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 220px;
}

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

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 36, 64, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.btn-view {
    display: inline-block;
    padding: 10px 24px;
    background: var(--accent);
    color: #fff;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
}

.btn-view:hover {
    background: var(--accent-hover);
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.product-info p {
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.6;
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    text-align: center;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto 30px;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-dark);
    color: #ccc;
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent);
}

.footer-col p {
    font-size: 14px;
    line-height: 1.7;
    color: #aaa;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #aaa;
    font-size: 14px;
    transition: var(--transition);
}

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

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: #aaa;
}

.contact-info li i {
    color: var(--accent);
    margin-top: 3px;
    width: 16px;
    text-align: center;
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: #777;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 15px rgba(232, 168, 56, 0.4);
}

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

.back-to-top:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
}

/* ===== Inner Page Banner ===== */
.page-banner {
    height: 350px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 36, 64, 0.9) 0%, rgba(26, 58, 92, 0.7) 100%);
}

.page-banner .container {
    position: relative;
    z-index: 1;
}

.page-banner h1 {
    font-family: var(--font-heading);
    font-size: 42px;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.breadcrumb {
    display: flex;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
}

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

.breadcrumb span {
    color: var(--accent);
}

/* ===== About Page ===== */
.about-page {
    padding: 80px 0;
}

.about-page-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.about-page-grid.reverse {
    direction: rtl;
}

.about-page-grid.reverse > * {
    direction: ltr;
}

.about-page-image {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-page-image img {
    width: 100%;
    height: 350px;
    object-fit: cover;
}

.about-page-content h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.about-page-content p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 12px;
}

/* ===== Products Page ===== */
.products-page {
    padding: 80px 0;
}

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

.product-detail-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.product-detail-card .product-image {
    height: 260px;
}

.product-detail-card .product-info {
    padding: 25px;
}

.product-detail-card .product-info h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.product-detail-card .product-info p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 15px;
}

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

.product-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg-light);
    color: var(--primary);
    font-size: 12px;
    border-radius: 20px;
    font-weight: 500;
}

/* ===== Contact Page ===== */
.contact-page {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info-section h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.contact-info-section p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 30px;
}

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

.contact-item-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-item-icon i {
    font-size: 20px;
    color: var(--accent);
}

.contact-item-text h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

.contact-item-text p {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 0;
}

.contact-form-section {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 8px;
}

.contact-form-section h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 25px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 14px;
    font-family: var(--font-main);
    color: var(--text);
    transition: var(--transition);
    background: #fff;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.1);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .top-bar-left {
        flex-direction: column;
        gap: 4px;
    }
    
    .top-bar-right {
        display: none;
    }
    
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #fff;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    }
    
    .nav.active {
        display: block;
    }
    
    .nav ul {
        flex-direction: column;
        padding: 10px 0;
    }
    
    .nav ul li a {
        padding: 12px 20px;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero-slider {
        height: 400px;
    }
    
    .slide-content h2 {
        font-size: 32px;
    }
    
    .slide-content p {
        font-size: 15px;
    }
    
    .features {
        margin-top: -30px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid,
    .about-page-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .about-page-grid.reverse {
        direction: ltr;
    }
    
    .strength-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .products-page-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .cta-content h2 {
        font-size: 28px;
    }
    
    .page-banner h1 {
        font-size: 32px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-slider {
        height: 350px;
    }
    
    .slide-content h2 {
        font-size: 26px;
    }
    
    .logo h1 {
        font-size: 24px;
    }
    
    .about-content h2 {
        font-size: 24px;
    }
}