@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=Montserrat:wght@700;800&display=swap');

:root {
    --primary: #001D3D;
    --secondary: #003566;
    --accent: #D4AF37;
    --accent-hover: #B8860B;
    --white: #FFFFFF;
    --off-white: #F8F9FA;
    --text-dark: #1A1A1A;
    --text-light: #666666;
    --transition: all 0.3s ease;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --radius: 12px;
}

.scroll-smooth {
    scroll-behavior: smooth;
}

.html-base {
    font-size: 16px;
}

.body-web {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    margin: 0;
    padding: 0;
    background-color: var(--white);
    overflow-x: hidden;
}

.h1 { font-family: 'Montserrat', sans-serif; color: var(--primary); margin: 0; font-size: 4rem; line-height: 1.1; }
.h2 { font-family: 'Montserrat', sans-serif; color: var(--primary); margin: 0; font-size: 2.5rem; }
.h3 { font-family: 'Montserrat', sans-serif; color: var(--primary); margin: 0; font-size: 1.25rem; }
.h4 { font-family: 'Montserrat', sans-serif; color: var(--primary); margin: 0; font-size: 1.2rem; }

.link-reset {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.list-reset {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.text-p {
    margin: 0 0 1rem 0;
}

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

.section {
    padding: 100px 0;
}

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.grid {
    display: grid;
    gap: 30px;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    padding: 16px 40px;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1.1rem;
    white-space: nowrap;
    background-color: var(--accent);
    color: var(--primary) !important;
    text-align: center;
    line-height: 1;
    min-width: 200px;
    text-decoration: none;
    font-family: 'Inter', sans-serif;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.4);
    color: var(--primary) !important;
}

.btn-full {
    width: 100%;
    text-align: center;
}

.btn-outline {
    display: inline-block;
    padding: 16px 40px;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid var(--accent);
    font-size: 1.1rem;
    white-space: nowrap;
    color: var(--accent) !important;
    background: transparent;
    text-align: center;
    line-height: 1;
    min-width: 200px;
    text-decoration: none;
    font-family: 'Inter', sans-serif;
}

.btn-outline:hover {
    background-color: var(--accent);
    color: var(--primary) !important;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 29, 61, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

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

.nav-extra {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--accent);
    letter-spacing: 1px;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--white);
    font-weight: 500;
    position: relative;
}

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

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

.nav-link:hover {
    color: var(--accent);
}

.mobile-menu-btn {
    display: none;
    color: var(--white);
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 29, 61, 0.7), rgba(0, 29, 61, 0.7)), url('../img/hero.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.1;
    color: var(--white);
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

/* About Section */
.about-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
}

.section-tag {
    color: var(--accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    display: block;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 25px;
}

.section-desc {
    color: var(--text-light);
    margin-bottom: 30px;
}

/* Why Us Section */
.why-us {
    background-color: var(--off-white);
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    transition: var(--transition);
    box-shadow: var(--shadow);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.feature-title {
    margin-bottom: 15px;
}

/* Products Section */
.product-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: scale(1.03);
}

.product-img-wrapper {
    height: 250px;
    overflow: hidden;
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.product-info {
    padding: 25px;
}

.product-category {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 5px;
    display: block;
}

.product-name {
    font-size: 1.25rem;
    margin-bottom: 15px;
}

/* SEO Section */
.seo-section {
    background-color: var(--primary);
    color: var(--white);
}

.seo-section-title {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 25px;
}

.benefit-item {
    margin-bottom: 40px;
}

.benefit-title {
    color: var(--accent);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

/* Testimonials */
.testimonial-card {
    background: var(--off-white);
    padding: 40px;
    border-radius: var(--radius);
    font-style: italic;
    position: relative;
}

.customer-name {
    font-style: normal;
    font-weight: 700;
    margin-top: 20px;
    color: var(--primary);
    display: block;
}

/* FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid #eee;
    padding: 20px 0;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    color: var(--text-light);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    margin-top: 15px;
}

.faq-icon-style:after {
    content: '+';
    font-size: 1.5rem;
    color: var(--accent);
}

.faq-item.active .faq-icon-style:after {
    content: '-';
}

/* Contact Page */
.contact-grid {
    grid-template-columns: 1fr 1.5fr;
}

.contact-info-list {
    margin-top: 30px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-form {
    background: var(--white);
    padding: 50px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--primary);
    font-size: 0.95rem;
}

.form-input, .form-textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 15px 18px;
    border: 1px solid #E0E0E0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    background-color: var(--white);
    transition: var(--transition);
}

.form-input:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
}

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

.form-textarea {
    height: 150px;
    resize: none;
}

/* Footer */
.footer {
    background-color: var(--primary);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    margin-bottom: 60px;
}

.footer-title {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 25px;
}

.footer-link {
    color: #ccc;
    display: block;
    margin-bottom: 12px;
}

.footer-link:hover {
    color: var(--accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: #888;
    font-size: 0.9rem;
}

/* Product Detail Page */
.product-detail-grid {
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.product-gallery-img {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    max-width: 100%;
    display: block;
}

.product-meta {
    margin-bottom: 30px;
}

.product-features {
    margin: 30px 0;
}

.feature-list-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 10px;
}

.feature-list-item:before {
    content: '✓';
    color: var(--accent);
    font-weight: bold;
}

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

/* Mobile Responsive */
@media (max-width: 992px) {
    .about-grid, .contact-grid, .product-detail-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--primary);
        flex-direction: column;
        padding: 20px;
        text-align: center;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-extra .btn-primary {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
}