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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.7;
    color: #2c3e50;
    background: linear-gradient(135deg, #f0f4f8 0%, #e6eeff 100%);
}

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

.header {
    background: linear-gradient(135deg, #3498db 0%, #2c3e50 100%);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    color: white;
    font-size: 1.8rem;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-menu a {
    text-decoration: none;
    color: white;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 10px 15px;
    border-radius: 25px;
}

.nav-menu a:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

.cart-icon {
    background: #ff6b6b;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    position: relative;
    transition: transform 0.3s ease;
    margin-left: 15px;
}

.cart-icon:hover {
    transform: scale(1.1);
}

#cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff4757;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 4px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.hero {
    background: linear-gradient(rgba(52, 152, 219, 0.9), rgba(44, 62, 80, 0.9)), 
                url('image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect fill="%233498db" width="100" height="100"/></svg>');
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    font-weight: 800;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 700;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
}

.btn-primary {
    background: #ffd166;
    color: #3498db;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
    background: #ffc44d;
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #3498db;
}

.features {
    padding: 80px 0;
    background-color: white;
}

.features h3 {
    text-align: center;
    font-size: 2.4rem;
    margin-bottom: 50px;
    color: #3498db;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
}

.feature-card {
    background: #f8f9ff;
    padding: 35px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e0e6ff;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0,0,0,0.12);
}

.feature-card h4 {
    color: #3498db;
    margin-bottom: 18px;
    font-size: 1.4rem;
    font-weight: 700;
}

.benefits {
    padding: 80px 0;
    background: linear-gradient(to bottom, #e8f4f8, #d1ecf1);
}

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

.benefits h3 {
    text-align: center;
    font-size: 2.4rem;
    margin-bottom: 50px;
    color: #2c3e50;
}

.benefit-item {
    background: white;
    padding: 30px;
    border-radius: 18px;
    text-align: center;
    box-shadow: 0 6px 15px rgba(0,0,0,0.08);
}

.benefit-item h4 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.3rem;
    font-weight: 700;
}

.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    text-align: center;
}

.cta h3 {
    font-size: 2.4rem;
    margin-bottom: 20px;
    color: #d84315;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.footer {
    background: #2c3e50;
    color: white;
    padding: 50px 0 25px;
    margin-top: 80px;
}

.footer-info {
    text-align: center;
    margin-bottom: 25px;
}

.footer-org {
    font-size: 1rem;
    line-height: 1.6;
}

.footer-org a {
    color: #ffd166;
    text-decoration: none;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 35px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s ease;
    font-size: 1.1rem;
}

.footer-links a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

.footer p {
    text-align: center;
    margin-top: 20px;
    font-size: 1rem;
    opacity: 0.8;
}

.page-header {
    background: linear-gradient(135deg, #16a085 0%, #f4d03f 100%);
    color: white;
    padding: 70px 0;
    text-align: center;
}

.page-header h2 {
    font-size: 2.6rem;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.content-section {
    padding: 80px 0;
    background-color: white;
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.content-wrapper h3 {
    color: #3498db;
    margin: 35px 0 25px;
    font-size: 1.9rem;
    font-weight: 700;
}

.contact-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 50px;
}

.contact-info h3, .contact-form h3 {
    color: #3498db;
    margin-bottom: 25px;
    font-size: 1.6rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #2c3e50;
    font-weight: 600;
    font-size: 1.1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid #ddd;
    border-radius: 12px;
    font-size: 1.1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.thank-you {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(135deg, #a8e6cf 0%, #dcedc1 100%);
}

.thank-you-content h2 {
    font-size: 2.8rem;
    color: #2e7d32;
    margin-bottom: 25px;
}

.thank-you-content p {
    font-size: 1.3rem;
    margin-bottom: 35px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: linear-gradient(135deg, #3498db 0%, #2c3e50 100%);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        padding: 25px 0;
        z-index: 999;
    }

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

    .hamburger {
        display: flex;
    }

    .hero-content h2 {
        font-size: 2.2rem;
    }

    .features h3,
    .benefits h3,
    .cta h3 {
        font-size: 2.1rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 12px;
    }

    .page-header h2 {
        font-size: 2.1rem;
    }

    .contact-wrapper {
        gap: 35px;
    }
}