/* --- Reset & Base Styles --- */
:root {
    --primary-color: #676767;
    --secondary-color: #C0C0C0;
    --accent-color: #00c9ff;
    --text-dark: #9b9b9b;
    --text-light: #9a9a9a;
    --bg-light: #F5F7FA;
    --white: #FFFFFF;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    opacity: 0.8;
}

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

.btn {
    display: inline-block;
    padding: 12px 30px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    /* font-size: 0.9rem; */
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    /* border: 2px solid var(--primary-color); */
}

.btn-primary:hover {
    background-color: #03A9F4;
    /* color: var(--primary-color); */
}

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

.btn-secondary:hover {
    background-color: transparent;
    color: var(--white);
}

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

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

.full-width {
    width: 100%;
    font-size: 0.9rem;
    border: 0;
}

#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

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

.logo a {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    margin-right: 10px;
}

.logo-text {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary-color);
    letter-spacing: 2px;
}

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

.nav-menu a {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    color: var(--primary-color);
    font-size: 0.9rem;
    text-transform: uppercase;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent-color);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.hero {
    height: 100vh;
    background: linear-gradient(135deg, #0A2540 0%, #1a3c6e 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgb(6 47 87);
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.section {
    padding: 60px 0;
}

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

.subtitle {
    display: block;
    color: #00c9ff7d;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    /* text-transform: uppercase; */
    /* letter-spacing: 2px; */
    margin-bottom: 10px;
}

.text-center {
    text-align: center;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image {
    background: linear-gradient(135deg, #2E86C1 0%, #0A2540 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.about-text h2 {
    /* font-size: 2.5rem; */
    margin-bottom: 20px;
}

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

.about-features {
    margin-top: 20px;
}

.about-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dark);
    font-weight: 600;
}

.about-features i {
    color: var(--accent-color);
}

.product-dark {
    background-color: var(--bg-light);
}

.product-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.product-image-col {
    background: linear-gradient(135deg, #C0C0C0 0%, #e0e0e0 100%);
    /* height: 400px; */
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: 700;
}

.product-details-col h3 {
    /* font-size: 2rem; */
    margin-bottom: 20px;
    text-transform: uppercase;
}

.specs-table {
    margin-bottom: 30px;
}

.spec-row {
    display: flex;
    padding: 15px 0px;
    border-bottom: 1px solid #eee;
    /* justify-content: space-between; */
    gap: 12px;
}

.spec-label {
    font-weight: 600;
    color: var(--text-dark);
}

.spec-value {
    color: var(--text-light);
    text-align: right;
    flex: 1;
}

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

.feature-card {
    text-align: center;
    padding: 30px;
    border: 1px solid #eee;
    border-radius: 8px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-color: var(--accent-color);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h2 {
    /* font-size: 2.5rem; */
    margin-bottom: 20px;
}

.info-item {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    align-items: flex-start;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-top: 5px;
}

.contact-form {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 8px;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Open Sans', sans-serif;
    color: #676767;
}

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

.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 30px;
}

.footer-logo h3 {
    color: var(--white);
    margin-bottom: 10px;
}

.footer-links ul {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--secondary-color);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-copy {
    margin-top: 20px;
    font-size: 0.8rem;
    color: var(--secondary-color);
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    width: 100%;
    text-align: center;
}

@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .about-grid,
    .product-showcase,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    
    .nav-menu.active {
        display: block;
    }
    
    .nav-menu ul {
        flex-direction: column;
        gap: 15px;
    }
    
    .hamburger {
        display: flex;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-btns {
        flex-direction: column;
        gap: 10px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-actions .btn {
        display: none;
    }
    
    .hamburger span {
        background-color: var(--primary-color);
    }
}