:root {
    --primary-color: #0077b6; /* Clean deep blue */
    --primary-light: #00b4d8; /* Water blue */
    --secondary-color: #20c997; /* Health green */
    --text-dark: #2b2d42;
    --text-light: #6c757d;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --error-red: #e63946;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

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

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

html {
    scroll-behavior: smooth;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-dark);
}

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

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

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

.text-green {
    color: var(--secondary-color);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 16px;
}

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

.btn-primary:hover {
    background-color: #023e8a;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 119, 182, 0.3);
}

.btn-primary-small {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 50px;
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
}

.btn-primary-small:hover {
    background-color: #023e8a;
}

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

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.9);
    color: #023e8a;
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.btn-block {
    display: block;
    width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 15px 0;
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.nav-links a:not(.btn-primary-small) {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:not(.btn-primary-small):hover {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-dark);
}

/* Hero Section */
.hero {
    padding: 160px 0 0 0;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    position: relative;
    z-index: 2;
    padding-bottom: 60px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 48px;
    color: var(--white);
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
}

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

.hero-shape {
    position: relative;
    bottom: -5px;
    width: 100%;
    z-index: 1;
}

/* Section Titles */
.section-title {
    font-size: 36px;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
}

.section-subtitle {
    color: var(--text-light);
    font-size: 18px;
    margin-bottom: 50px;
}

/* Cards */
.card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.icon-wrapper {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin: 0 auto 20px;
    color: var(--white);
}

.icon-wrapper.red { background-color: #ef476f; }
.icon-wrapper.orange { background-color: #f77f00; }
.icon-wrapper.brown { background-color: #9c6644; }

.card h3 {
    margin-bottom: 15px;
    font-size: 22px;
}

.card p {
    color: var(--text-light);
}

.image-wrapper {
    width: 100%;
    height: 180px;
    border-radius: 8px;
    margin-bottom: 20px;
    overflow: hidden;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: var(--transition);
}

.card:hover .image-wrapper img {
    transform: scale(1.05);
}

/* Advantages */
.advantage-list {
    max-width: 800px;
    margin: 0 auto;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    transition: var(--transition);
}

.advantage-item:hover {
    box-shadow: var(--shadow);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(0, 180, 216, 0.1);
    color: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.advantage-text h4 {
    font-size: 20px;
    margin-bottom: 10px;
}

.advantage-text p {
    color: var(--text-light);
}

/* Pricing */
.price-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    position: relative;
    border: 1px solid #eee;
}

.price-card.popular {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
    z-index: 2;
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--error-red);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: bold;
}

.price {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 20px 0;
}

.price span {
    font-size: 24px;
}

.price-card .desc {
    color: var(--text-light);
    margin-bottom: 25px;
}

.features {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
    padding: 0;
}

.features li {
    margin-bottom: 15px;
    color: var(--text-dark);
}

.features i {
    margin-right: 10px;
}

/* Booking Form */
.booking-container {
    display: flex;
    gap: 50px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.booking-info {
    flex: 1;
    background: linear-gradient(135deg, var(--primary-color) 0%, #023e8a 100%);
    color: var(--white);
    padding: 50px;
}

.booking-info h2 {
    color: var(--white);
    font-size: 32px;
    margin-bottom: 20px;
}

.booking-info p {
    opacity: 0.9;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item i {
    font-size: 30px;
    color: var(--primary-light);
}

.contact-item h4 {
    color: var(--white);
    margin-bottom: 5px;
    font-size: 18px;
}

.contact-item p {
    margin: 0;
    font-size: 16px;
    font-weight: bold;
}

.booking-form-box {
    flex: 1;
    padding: 50px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.required {
    color: var(--error-red);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
    font-size: 16px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 119, 182, 0.1);
}

.form-success {
    text-align: center;
    padding: 40px 0;
}

.form-success i {
    font-size: 60px;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-logo {
    font-size: 28px;
    font-weight: bold;
    color: var(--white);
    margin-bottom: 20px;
}

.social-links {
    margin: 20px 0;
}

.social-links a {
    color: var(--white);
    font-size: 24px;
    margin: 0 10px;
    opacity: 0.7;
    transition: var(--transition);
}

.social-links a:hover {
    opacity: 1;
    color: var(--primary-light);
}

.copyright {
    color: #888;
    margin-top: 40px;
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 991px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .price-card.popular {
        transform: scale(1);
    }
    
    .booking-container {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        padding: 20px 0;
        box-shadow: 0 10px 10px rgba(0,0,0,0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .booking-info, .booking-form-box {
        padding: 30px;
    }
}