/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c5f8d;
    --secondary-color: #4a90c5;
    --accent-color: #ff6b35;
    --dark-color: #1a1a1a;
    --light-color: #f8f9fa;
    --gray-color: #6c757d;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
}

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

/* Typography */
h1, h2, h3, h4 {
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
}

/* Navigation */
.navbar {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--dark-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--secondary-color);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #e55a2b;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.2rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 8rem 0 6rem;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* Product Section */
.product-section {
    padding: 5rem 0;
    background-color: var(--white);
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.product-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
}

.product-info h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.product-highlights {
    list-style: none;
    margin-top: 2rem;
}

.product-highlights li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.product-highlights li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Features Section */
.features-section {
    padding: 5rem 0;
    background-color: var(--light-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--gray-color);
    margin-bottom: 0;
}

/* Gallery Section */
.gallery-section {
    padding: 5rem 0;
    background-color: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

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

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 0.5rem;
}

.gallery-item p {
    font-size: 0.9rem;
    color: var(--gray-color);
    margin: 0;
}

/* Order Section */
.order-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.order-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.order-details {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.order-details h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.order-details ul {
    list-style: none;
    margin-bottom: 2rem;
}

.order-details li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.order-details li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.price {
    text-align: center;
    padding: 2rem;
    background-color: var(--light-color);
    border-radius: 10px;
    margin-top: 1rem;
}

.price-amount {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.price-note {
    color: var(--gray-color);
    font-size: 0.9rem;
}

.order-cta {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.order-cta h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.order-cta .btn {
    margin: 2rem 0 1rem;
}

.payment-note {
    font-size: 0.9rem;
    color: var(--gray-color);
}

/* Support Section */
.support-section {
    padding: 5rem 0;
    background-color: var(--white);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.support-card {
    background-color: var(--light-color);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.support-card h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.support-card .btn {
    margin-top: 1rem;
}

.contact-info {
    list-style: none;
}

.contact-info li {
    margin-bottom: 0.5rem;
}

.contact-info a {
    color: var(--secondary-color);
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

.faq-item {
    margin-bottom: 1.5rem;
}

.faq-item:last-child {
    margin-bottom: 0;
}

.faq-item p {
    margin-bottom: 0.5rem;
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer h4 {
    margin-bottom: 1rem;
    color: var(--white);
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .nav-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hero {
        padding: 4rem 0 3rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .product-grid,
    .order-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.5rem;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .btn-large {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }

    .price-amount {
        font-size: 2rem;
    }
}