/* --- VARIABLES & RESET --- */
:root {
    --primary-teal: #0d9488;
    --primary-light: #5eead4;
    --accent-blue: #0ea5e9;
    --accent-green: #22c55e;
    --bg-light: #f0fdfa;
    --text-dark: #134e4a;
    --text-gray: #4b5563;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --shadow-soft: 0 10px 30px -10px rgba(13, 148, 136, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    overflow-x: hidden;
    line-height: 1.6;
}

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

.section-padding {
    padding: 80px 0;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-teal), var(--accent-blue));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(13, 148, 136, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(13, 148, 136, 0.6);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-teal);
    color: var(--primary-teal);
    margin-left: 15px;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    margin-bottom: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- BACKGROUND BLOBS --- */
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    z-index: -1;
    opacity: 0.6;
    animation: float 10s infinite ease-in-out;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(20px, -20px);
    }
}

/* --- HEADER --- */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding: 15px 0;
    transition: var(--transition);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-teal);
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

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

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

.header-cta {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(13, 148, 136, 0.7);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(13, 148, 136, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(13, 148, 136, 0);
    }
}

/* --- HERO SECTION --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(90deg, var(--primary-teal), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 30px;
}

.hero-image {
    position: relative;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    animation: float 6s infinite ease-in-out;
}

/* --- ABOUT SECTION --- */
.about {
    background: var(--white);
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.about-card {
    background: var(--glass-bg);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
}

.about-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.about-card i {
    font-size: 2.5rem;
    color: var(--primary-teal);
    margin-bottom: 20px;
}

/* --- SERVICES SECTION --- */
.services {
    background: linear-gradient(180deg, var(--bg-light), #e0f2f1);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-light);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(13, 148, 136, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--primary-teal);
    font-size: 1.5rem;
}

.service-card h3 {
    margin-bottom: 10px;
}

.service-card p {
    color: var(--text-gray);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.learn-more {
    color: var(--primary-teal);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.learn-more:hover {
    gap: 10px;
}

/* --- WHY CHOOSE US --- */
.why-us {
    background: var(--white);
}

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

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.feature-icon {
    background: var(--primary-light);
    color: var(--primary-teal);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* --- PLANS SECTION --- */
.plans {
    background: linear-gradient(135deg, #f0fdfa 0%, #e0f2fe 100%);
}

.pricing-cards {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.plan-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 25px;
    width: 320px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    position: relative;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.plan-card.popular::before {
    content: 'Most Popular';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-teal);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 20px 0;
}

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

.plan-features li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
    color: var(--text-gray);
}

.plan-features li i {
    position: absolute;
    left: 0;
    color: var(--accent-green);
}

/* --- CONTACT & BOOKING --- */
.booking-section {
    background: var(--white);
    position: relative;
}

.form-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--glass-bg);
    padding: 40px;
    border-radius: 30px;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--glass-border);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

input,
select,
textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    font-family: inherit;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.8);
}

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

.form-message {
    margin-top: 20px;
    padding: 15px;
    background: #d1fae5;
    color: #065f46;
    border-radius: 10px;
    text-align: center;
    display: none;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- TESTIMONIALS --- */
.testimonials {
    background: linear-gradient(180deg, #f0fdfa, #ecfeff);
    text-align: center;
}

.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    height: 250px;
}

.testimonial-card {
    position: absolute;
    width: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    transform: translateX(50px);
    padding: 30px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
}

.testimonial-card.active {
    opacity: 1;
    transform: translateX(0);
}

.stars {
    color: #fbbf24;
    margin-bottom: 15px;
}

.patient-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-teal);
    font-weight: bold;
}

/* --- NEWSLETTER --- */
.newsletter {
    background: var(--primary-teal);
    color: var(--white);
    text-align: center;
}

.newsletter h2 {
    color: var(--white);
}

.newsletter-form {
    max-width: 500px;
    margin: 30px auto 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.newsletter-form input {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.8);
}

.checkbox-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 0.9rem;
}

/* --- FOOTER --- */
footer {
    background: #0f172a;
    color: #cbd5e1;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition);
}

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

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    color: var(--white);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-icons a:hover {
    color: var(--primary-light);
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--primary-teal);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    pointer-events: all;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
        /* Simplified for mobile */
    }

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

    .plan-card.popular {
        transform: scale(1);
    }
}

/* Modal background */
.modal {
    display: none;
    position: fixed;
    z-index: 999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
}

/* Modal content */
.modal-content {
    background: #fff;
    margin: 5% auto;
    padding: 20px;
    width: 80%;
    max-width: 700px;
    border-radius: 8px;
    position: relative;
    max-height: 80vh;
    overflow-y: auto;
}

/* Close button */
.close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 22px;
    cursor: pointer;
    color: #333;
}

.close:hover {
    color: red;
}