:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #e67e22;
    --accent-hover: #d35400;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --text-color: #333333;
    --text-light: #666666;
    --border-color: #e0e0e0;
    --success-color: #27ae60;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-hover: 0 10px 20px rgba(0,0,0,0.15);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

/* Top Bar */
.top-bar {
    background-color: var(--secondary-color);
    color: #bdc3c7;
    padding: 8px 0;
    font-size: 0.9rem;
    text-align: right;
}

.top-bar strong {
    color: var(--white);
}

/* Header & Navigation */
header {
    background-color: var(--primary-color);
    color: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.main-header {
    padding: 1rem 0;
}

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

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 1px;
}

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

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

.nav-links a {
    color: rgba(255,255,255,0.8);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    padding: 5px 0;
}

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

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

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

/* Hero Section */
.hero {
    background-size: cover;
    background-position: center;
    background-color: var(--secondary-color);
    color: var(--white);
    text-align: center;
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-overlay {
    background: rgba(44, 62, 80, 0.85);
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: #ecf0f1;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(230, 126, 34, 0.4);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--white);
    color: var(--white);
    margin-left: 15px;
}

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

/* Sections */
.section {
    padding: 80px 0;
}

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

.bg-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--accent-color);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--border-color);
}

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

.product-info {
    padding: 25px;
}

.product-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.product-price {
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1.2rem;
    margin-top: 10px;
}

.link-more {
    display: inline-block;
    margin-top: 15px;
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.link-more:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    text-align: center;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

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

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

.about-content .section-title::after {
    left: 0;
    transform: none;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.testimonial-card p {
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: 20px;
    opacity: 0.9;
}

.testimonial-card h4 {
    color: var(--accent-color);
    font-weight: 600;
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 80px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h3 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 1.3rem;
    position: relative;
    padding-bottom: 10px;
}

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

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

.footer-col ul li a {
    color: #bdc3c7;
    transition: color 0.3s, padding-left 0.3s;
}

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

.copyright {
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    color: #95a5a6;
    font-size: 0.9rem;
}

/* Forms */
.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary-color);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

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

/* Legal Pages */
.legal-content {
    background: var(--white);
    padding: 60px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.legal-content h1 {
    color: var(--primary-color);
    border-bottom: 3px solid var(--accent-color);
    padding-bottom: 15px;
    display: inline-block;
    margin-bottom: 40px;
}

.legal-content h2 {
    color: var(--secondary-color);
    margin-top: 40px;
    margin-bottom: 20px;
}

.legal-content p, .legal-content ul {
    color: var(--text-light);
    margin-bottom: 15px;
}

/* Responsive */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .top-bar {
        text-align: center;
    }
}