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

:root {
    --primary-blue: #1B3A5C;
    --primary-gold: #C8A96E;
    --light-gold: #E8D7B0;
    --cream-bg: #FAF8F5;
    --white: #FFFFFF;
    --text-dark: #2C2C2C;
    --text-gray: #666666;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--cream-bg);
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
}

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

.header-top {
    background-color: var(--primary-blue);
    padding: 10px 0;
    color: var(--light-gold);
    font-size: 14px;
}

.header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-info span {
    margin-right: 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.language-switch a {
    color: var(--light-gold);
    text-decoration: none;
    margin: 0 5px;
}

.language-switch a.active {
    color: var(--primary-gold);
    font-weight: 500;
}

.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo h1 {
    color: var(--primary-blue);
    font-size: 28px;
    margin-bottom: 2px;
}

.logo-sub {
    color: var(--primary-gold);
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    position: relative;
    transition: color 0.3s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-gold);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-gold);
    transition: width 0.3s;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-blue);
    transition: 0.3s;
}

.hero {
    position: relative;
    height: 85vh;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #0f243d 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 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='%23C8A96E' 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");
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(200, 169, 110, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
}

.hero-tagline {
    color: var(--primary-gold);
    font-size: 14px;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 56px;
    margin-bottom: 15px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--light-gold);
    margin-bottom: 20px;
    font-weight: 400;
}

.hero-description {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 36px;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary-gold);
    color: var(--primary-blue);
}

.btn-primary:hover {
    background-color: var(--light-gold);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(200, 169, 110, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--primary-gold);
}

.btn-secondary:hover {
    background-color: var(--primary-gold);
    color: var(--primary-blue);
}

.btn-full {
    width: 100%;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--light-gold);
    text-align: center;
    font-size: 12px;
    letter-spacing: 2px;
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    display: block;
    margin-top: 10px;
    font-size: 20px;
}

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

.advantages {
    padding: 60px 0;
    background-color: var(--white);
}

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

.advantage-item {
    text-align: center;
    padding: 30px;
}

.advantage-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-gold), var(--light-gold));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 28px;
}

.advantage-item h3 {
    font-size: 42px;
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.advantage-item p {
    color: var(--text-gray);
    font-size: 15px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 42px;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.section-subtitle {
    color: var(--primary-gold);
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.about {
    padding: 100px 0;
}

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

.about-text p {
    color: var(--text-gray);
    margin-bottom: 20px;
    font-size: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-blue);
    font-size: 14px;
}

.feature-item i {
    color: var(--primary-gold);
}

.image-placeholder {
    background: linear-gradient(135deg, var(--primary-blue), #0f243d);
    height: 400px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--light-gold);
}

.image-placeholder i {
    font-size: 80px;
    margin-bottom: 20px;
}

.image-placeholder p {
    font-size: 18px;
    font-family: 'Playfair Display', serif;
}

.process {
    padding: 100px 0;
    background-color: var(--white);
}

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

.process-step {
    text-align: center;
    padding: 30px 20px;
    border: 1px solid var(--light-gold);
    border-radius: 8px;
    transition: all 0.3s;
}

.process-step:hover {
    border-color: var(--primary-gold);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.step-number {
    font-size: 48px;
    font-family: 'Playfair Display', serif;
    color: var(--primary-gold);
    margin-bottom: 15px;
    opacity: 0.5;
}

.process-step h4 {
    color: var(--primary-blue);
    margin-bottom: 8px;
    font-size: 18px;
}

.process-step p {
    color: var(--text-gray);
    font-size: 14px;
}

.products {
    padding: 100px 0;
}

.product-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
}

.tab-btn {
    padding: 12px 30px;
    background-color: transparent;
    border: 2px solid var(--light-gold);
    color: var(--primary-blue);
    font-size: 14px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s;
}

.tab-btn:hover,
.tab-btn.active {
    background-color: var(--primary-gold);
    border-color: var(--primary-gold);
    color: var(--white);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

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

.product-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s;
}

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

.product-card.featured {
    border: 2px solid var(--primary-gold);
}

.product-image {
    height: 220px;
    background: linear-gradient(135deg, #f5f5f5, #e8e8e8);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-placeholder {
    color: var(--primary-blue);
    font-size: 48px;
    opacity: 0.3;
}

.product-info {
    padding: 20px;
    text-align: center;
}

.product-info h4 {
    color: var(--primary-blue);
    margin-bottom: 5px;
    font-size: 16px;
}

.product-info p {
    color: var(--text-gray);
    font-size: 13px;
    margin-bottom: 10px;
}

.product-tag {
    display: inline-block;
    background-color: var(--primary-gold);
    color: var(--white);
    padding: 4px 12px;
    font-size: 11px;
    border-radius: 20px;
    margin-top: 5px;
}

.custom {
    padding: 100px 0;
    background-color: var(--white);
}

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

.custom-process h3,
.custom-services h3 {
    color: var(--primary-blue);
    margin-bottom: 30px;
    font-size: 24px;
}

.custom-steps {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.custom-step {
    flex: 1;
    min-width: 140px;
    text-align: center;
    padding: 20px;
    background-color: var(--cream-bg);
    border-radius: 8px;
}

.custom-step-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-gold), var(--light-gold));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: var(--primary-blue);
    font-size: 24px;
}

.custom-step h4 {
    color: var(--primary-blue);
    margin-bottom: 5px;
    font-size: 15px;
}

.custom-step p {
    color: var(--text-gray);
    font-size: 12px;
}

.custom-step-arrow {
    color: var(--primary-gold);
    font-size: 20px;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.service-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background-color: var(--cream-bg);
    border-radius: 8px;
    align-items: flex-start;
}

.service-item i {
    color: var(--primary-gold);
    font-size: 24px;
    margin-top: 5px;
}

.service-text h4 {
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.service-text p {
    color: var(--text-gray);
    font-size: 14px;
}

.quality {
    padding: 100px 0;
}

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

.quality-item {
    text-align: center;
    padding: 40px 20px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s;
}

.quality-item:hover {
    transform: translateY(-5px);
}

.quality-item i {
    font-size: 48px;
    color: var(--primary-gold);
    margin-bottom: 20px;
}

.quality-item h4 {
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-size: 18px;
}

.quality-item p {
    color: var(--text-gray);
    font-size: 14px;
}

.contact {
    padding: 100px 0;
    background-color: var(--white);
}

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

.contact-info h3,
.contact-form h3 {
    color: var(--primary-blue);
    margin-bottom: 30px;
    font-size: 24px;
}

.contact-detail {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-item i {
    color: var(--primary-gold);
    font-size: 24px;
    margin-top: 5px;
    width: 30px;
}

.contact-item h4 {
    color: var(--primary-blue);
    margin-bottom: 5px;
    font-size: 16px;
}

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

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 50px;
    height: 50px;
    background-color: var(--primary-blue);
    color: var(--primary-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 20px;
    transition: all 0.3s;
}

.social-link:hover {
    background-color: var(--primary-gold);
    color: var(--white);
    transform: translateY(-3px);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--light-gold);
    border-radius: 4px;
    font-family: 'Montserrat', sans-serif;
    font-size: 15px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-gold);
}

.form-group textarea {
    resize: vertical;
}

.footer {
    background-color: var(--primary-blue);
    color: var(--light-gold);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-logo h3 {
    color: var(--white);
    font-size: 28px;
    margin-bottom: 5px;
}

.footer-logo span {
    color: var(--primary-gold);
    font-size: 12px;
    letter-spacing: 2px;
}

.footer-column p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    margin-top: 20px;
}

.footer-column h4 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 18px;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-column ul li a:hover {
    color: var(--primary-gold);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.6);
    font-size: 13px;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-gold);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    display: none;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    z-index: 999;
}

.back-to-top.show {
    display: flex;
}

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

@media (max-width: 992px) {
    .hero-title {
        font-size: 42px;
    }

    .advantages-grid,
    .product-grid,
    .quality-grid,
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content,
    .custom-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        padding: 30px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        transition: left 0.3s;
    }

    .nav-menu.active {
        left: 0;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .section-title {
        font-size: 32px;
    }

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

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

    .advantages-grid,
    .product-grid,
    .quality-grid,
    .process-steps {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .header-top-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .contact-info span {
        margin-right: 0;
    }

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

    .product-tabs {
        flex-direction: column;
    }
}