:root {
    --primary: #0d9488;
    --primary-light: #2dd4bf;
    --primary-dark: #0f766e;
    --secondary: #1e293b;
    --accent: #f59e0b;
    --background: #ffffff;
    --surface: #f0fdfa;
    --text: #0f172a;
    --text-muted: #64748b;
    --white: #ffffff;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 0.75rem;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text);
    background-color: var(--background);
    line-height: 1.6;
}

h1, h2, h3, h4, h5 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--secondary);
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    gap: 0.5rem;
}

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

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

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

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

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-muted);
}

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

.nav-actions {
    display: flex;
    gap: 1rem;
}

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

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero-content h1 span {
    color: var(--primary);
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-image {
    position: relative;
}

.hero-image img {
    border-radius: 2rem;
    box-shadow: var(--shadow-lg);
}

.hero-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--white);
    padding: 1.5rem;
    border-radius: 1.5rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hero-badge h4 {
    color: var(--primary);
    margin-bottom: 0.25rem;
}

/* Stats Section */
.stats {
    padding: 60px 0;
    background: var(--primary-dark);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    text-align: center;
}

.stat-item h2 {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 0.5rem;
}

/* Treatments Section */
.section-padding {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.treatment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.treatment-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.treatment-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-light);
    box-shadow: var(--shadow-lg);
}

.treatment-icon {
    width: 60px;
    height: 60px;
    background: var(--surface);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    background: var(--white);
    border-radius: 2rem;
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.contact-info {
    padding: 4rem;
    background: var(--surface);
}

.contact-form {
    padding: 4rem;
}

.info-item {
    margin-bottom: 2rem;
    display: flex;
    gap: 1rem;
}

.info-icon {
    color: var(--primary);
    font-size: 1.25rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

/* Footer */
footer {
    background: var(--secondary);
    color: var(--white);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 60px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    display: block;
}

.footer-links h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-links a {
    display: block;
    color: #94a3b8;
    margin-bottom: 0.75rem;
}

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

.copyright {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid #334155;
    color: #94a3b8;
}

/* Mobile Responsive */
@media (max-width: 992px) {
    .hero-grid, .contact-grid {
        grid-template-columns: 1fr;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .nav-links {
        display: none;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}