/* --- CSS Variables & Reset --- */
:root {
    --primary-color: #7c3aed;
    /* Deep Purple */
    --primary-rgba: rgba(124, 58, 237, 1);
    --primary-dark: #6d28d9;

    --secondary-color: #22d3ee;
    /* Aqua Blue */
    --secondary-rgba: rgba(34, 211, 238, 1);
    --secondary-dark: #06b6d4;

    --text-dark: #111827;
    --text-light: #6b7280;
    --white: #ffffff;
    --light-bg: #f5f3ff;
    --border-color: #e5e7eb;

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.15);
    --radius: 14px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    background-color: var(--white);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

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

.section-padding {
    padding: 5rem 0;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
    font-family: 'Poppins', sans-serif;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(124, 58, 237, 0.4);
}

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

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

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

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

.btn-success:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-2px);
}

.section-title {
    text-align: center;
    margin-bottom: 3.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-title p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.check-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 10px;
}

.check-list li::before {
    content: '\f00c';
    /* FontAwesome check */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--secondary-color);
    position: absolute;
    left: 0;
    top: 2px;
}

/* --- Header & Nav --- */
header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    color: var(--secondary-color);
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    transition: var(--transition);
    font-size: 0.95rem;
}

.nav-link:hover {
    color: var(--primary-color);
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--text-dark);
}

/* --- Hero Section --- */
.hero {
    background-color: var(--light-bg);
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    max-width: 90%;
}

.hero-features {
    margin-bottom: 2.5rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

.hero-features span {
    font-weight: 600;
    color: var(--secondary-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    position: relative;
}

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

/* --- About Us --- */
.about-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-wrapper h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-dark);
}

.about-wrapper p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* --- Services --- */
.services-section {
    background-color: #f8fafc;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-bottom: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--primary-color);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* --- Why Choose Us --- */
.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-box {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-icon-box {
    min-width: 50px;
    height: 50px;
    background-color: #dcfce7;
    color: var(--secondary-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

/* --- Healthcare Plans --- */
.plans-section {
    background-color: var(--light-bg);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.plan-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

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

.plan-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.plan-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.plan-features {
    margin: 2rem 0;
    text-align: left;
    flex-grow: 1;
}

.plan-features li {
    margin-bottom: 0.8rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 10px;
}

.plan-features li i {
    color: var(--secondary-color);
}

.plans-cta {
    text-align: center;
    margin-top: 3rem;
}

/* --- Book Appointment --- */
.appointment-section {
    background: linear-gradient(rgba(124, 58, 237, 0.9), rgba(34, 211, 238, 0.9)), url('../img/appointment.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
}

.appointment-form-wrapper {
    background: var(--white);
    padding: 3rem;
    border-radius: var(--radius);
    max-width: 700px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.full-width {
    grid-column: span 2;
}

.success-message {
    display: none;
    background-color: #dcfce7;
    color: #166534;
    padding: 1rem;
    border-radius: 6px;
    margin-top: 1rem;
    text-align: center;
    border: 1px solid #bbf7d0;
}

/* --- Testimonials --- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: var(--radius);
    position: relative;
}

.stars {
    color: #f59e0b;
    margin-bottom: 1rem;
}

.quote-text {
    font-style: italic;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.author {
    font-weight: 700;
    color: var(--primary-dark);
}

/* --- Contact --- */
.contact-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    background-color: var(--white);
    padding: 3rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: #e0f2fe;
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.working-hours {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* --- Newsletter --- */
.newsletter-section {
    background-color: var(--primary-dark);
    color: var(--white);
    text-align: center;
}

.newsletter-section .section-title h2,
.newsletter-section .section-title p {
    color: var(--white);
}

.newsletter-form {
    max-width: 500px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
}

.newsletter-form label {
    display: block;
    text-align: left;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.newsletter-form input {
    background: rgba(255, 255, 255, 0.9);
    border: none;
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 1.5rem;
    text-align: left;
    font-size: 0.9rem;
}

.checkbox-container input {
    margin-top: 4px;
}

/* --- Footer --- */
footer {
    background-color: #0f172a;
    color: #94a3b8;
    padding: 4rem 0 2rem;
    font-size: 0.9rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.social-icons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-icons a {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-icons a:hover {
    background: var(--primary-color);
}

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

/* --- Modals --- */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.modal.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: var(--white);
    padding: 3rem;
    border-radius: var(--radius);
    max-width: 600px;
    width: 90%;
    position: relative;
    max-height: 80vh;
    overflow-y: auto;
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-light);
    background: none;
    border: none;
}

/* --- Responsive --- */
@media (max-width: 992px) {
    .plan-card.highlight {
        transform: scale(1);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        flex-direction: column;
        padding: 2rem;
        transition: 0.3s;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }

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

    .hamburger {
        display: block;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero-features {
        display: inline-block;
        text-align: left;
        margin-bottom: 2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

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

    .full-width {
        grid-column: span 1;
    }
}