/* --- Base & Variables --- */
:root {
    --primary-color: #0d9488; /* Soft Teal */
    --primary-light: #14b8a6;
    --primary-dark: #0f766e;
    --secondary-color: #f0fdfa; /* Very light teal background */
    --text-color: #1e293b; /* Slate dark for text */
    --text-light: #64748b;
    --bg-color: #ffffff;
    --bg-light: #f8fafc;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --radius: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Cairo', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

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

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

.highlight {
    color: var(--primary-color);
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 700;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
    padding: 14px;
}

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

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

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

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

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

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

.btn-outline-light {
    border-color: #fff;
    color: #fff;
}

.btn-outline-light:hover {
    background-color: #fff;
    color: var(--primary-color);
}

/* --- Typography --- */
.section-header {
    margin-bottom: 50px;
}

.section-subtitle {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    background: var(--secondary-color);
    padding: 4px 12px;
    border-radius: 20px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-color);
    margin-bottom: 15px;
}

.section-description {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

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

/* --- Header & Navbar --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-color);
}

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

.navbar {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-weight: 600;
    color: var(--text-color);
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
    left: 0;
}

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

.nav-cta-mobile {
    display: none;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
}

/* --- Hero Section --- */
.hero {
    padding-top: 120px;
    padding-bottom: 80px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #ffffff 100%);
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 30px;
    padding-top: 30px;
    border-top: 1px solid #e2e8f0;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
}

.stat-text {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 600;
}

.hero-image-wrapper {
    position: relative;
}

.image-backdrop {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 50%;
    opacity: 0.1;
    z-index: 0;
    filter: blur(40px);
}

.hero-img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
    object-fit: cover;
    max-height: 600px;
}

/* --- About Section --- */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--primary-color);
    color: #fff;
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.1rem;
    border: 4px solid #fff;
}

.experience-badge i {
    font-size: 1.5rem;
}

.about-text {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.about-features {
    margin-bottom: 30px;
}

.about-features li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.about-features i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.mt-2 { margin-top: 20px; }

/* --- Doctor Profile --- */
.doctor-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.doctor-image img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    max-height: 500px;
    border: 5px solid #fff;
}

.doctor-bio {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.doctor-qualifications li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 600;
    font-size: 1.05rem;
}

.doctor-qualifications i {
    color: var(--primary-color);
    font-size: 1.3rem;
    width: 30px;
    text-align: center;
}

/* --- Services Section --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid #f1f5f9;
}

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

.service-icon {
    width: 60px;
    height: 60px;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background-color: var(--primary-color);
    color: #fff;
}

.service-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.service-desc {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.service-link {
    color: var(--primary-color);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
}

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

.service-link i {
    transition: transform 0.3s ease;
}

.service-card:hover .service-link i {
    transform: translateX(-5px);
}

/* --- Gallery --- */
.gallery {
    background-color: var(--secondary-color);
}

/* --- Before/After Sliders --- */
.gallery-sliders {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}
.slider-container-box {
    width: 100%;
    max-width: 600px;
    background: #fff;
    padding: 20px;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
}
.comparison-slider {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: 10px;
    overflow: hidden;
    user-select: none;
}
.comparison-slider .image-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.comparison-slider .image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}
.comparison-slider .image-container.before {
    clip-path: polygon(0 0, var(--position) 0, var(--position) 100%, 0 100%);
}
.comparison-slider .slider {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    z-index: 10;
    cursor: ew-resize;
}
.comparison-slider .slider-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: var(--position);
    width: 4px;
    background: #fff;
    transform: translateX(-50%);
    pointer-events: none;
    z-index: 5;
    box-shadow: 0 0 10px rgba(0,0,0,0.3);
}
.comparison-slider .slider-button {
    position: absolute;
    top: 50%;
    left: var(--position);
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 5;
    color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0,0,0,0.3);
    font-size: 14px;
}
.label-before, .label-after {
    position: absolute;
    top: 15px;
    padding: 5px 15px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    border-radius: 20px;
    font-weight: bold;
    font-size: 14px;
    z-index: 2;
}
.label-before {
    left: 15px;
}
.label-after {
    right: 15px;
}

/* --- CTA Banner --- */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 60px 0;
    color: #fff;
}

.cta-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.cta-content h2 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.cta-content p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.cta-action {
    display: flex;
    gap: 15px;
}

/* --- Contact Section --- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background-color: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid #f1f5f9;
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-card h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

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

.contact-form-container {
    background-color: #fff;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background-color: #f8fafc;
}

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

/* --- Floating WhatsApp --- */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 35px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.floating-whatsapp:hover {
    background-color: #128c7e;
    color: #fff;
    transform: scale(1.1);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.contact-links a {
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    margin-bottom: 5px;
}

.contact-links a:hover {
    color: var(--primary-color) !important;
}

/* --- Footer --- */
.footer {
    background-color: #0f172a; /* Very dark navy */
    color: #cbd5e1;
    padding-top: 80px;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    color: #fff;
    margin-bottom: 20px;
}

.footer-col p {
    margin-bottom: 20px;
    font-size: 0.95rem;
}

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

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

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

.footer-col h3 {
    color: #fff;
    margin-bottom: 25px;
    font-size: 1.2rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-col ul a {
    color: #cbd5e1;
    transition: var(--transition);
}

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

.newsletter-form {
    display: flex;
    gap: 10px;
}

.newsletter-form input {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 6px;
    background-color: rgba(255,255,255,0.1);
    color: #fff;
}

.newsletter-form input:focus {
    outline: none;
    background-color: rgba(255,255,255,0.15);
}

.newsletter-form button {
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    background-color: var(--primary-color);
    color: #fff;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: var(--primary-light);
}

.footer-bottom {
    background-color: #020617;
    padding: 20px 0;
    text-align: center;
    font-size: 0.9rem;
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    .hero-container, .about-container, .contact-wrapper, .cta-container, .doctor-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .cta-container {
        flex-direction: column;
    }

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

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

    .experience-badge {
        right: 50%;
        transform: translateX(50%);
        bottom: -20px;
    }

    .doctor-qualifications li {
        justify-content: center;
        text-align: right;
    }

    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-cta {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .navbar {
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: #fff;
        padding: 20px;
        box-shadow: var(--shadow-md);
        flex-direction: column;
        align-items: center;
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path 0.4s ease-in-out;
    }

    .navbar.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }

    .nav-list {
        flex-direction: column;
        gap: 20px;
        text-align: center;
        width: 100%;
    }

    .nav-cta-mobile {
        display: block;
        margin-top: 20px;
        width: 100%;
    }

    .nav-cta-mobile .btn {
        width: 100%;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
    }
}

/* --- Scroll Animations --- */
.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    will-change: opacity, transform;
}
.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Extra Mobile Optimizations --- */
@media (max-width: 600px) {
    .section-padding { padding: 50px 0; }
    .hero-title { font-size: 1.8rem; }
    .section-title { font-size: 1.8rem; }
    .hero-buttons, .cta-action { flex-direction: column; width: 100%; gap: 10px; }
    .hero-buttons .btn, .cta-action .btn { width: 100%; }
    .slider-container-box { padding: 10px; }
    .experience-badge { padding: 10px; font-size: 0.9rem; }
    .cta-content h2 { font-size: 1.5rem; }
}