/* ======== RESET & BASE STYLES ======== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a365d;
    --secondary-color: #2c5282;
    --accent-color: #d4af37;
    --text-dark: #2d3748;
    --text-light: #718096;
    --background-light: #f7fafc;
    --background-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

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

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

/* ======== TYPOGRAPHY ======== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

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

a:hover {
    color: var(--secondary-color);
}

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

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    color: var(--text-dark);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-color);
    background: rgba(212, 175, 55, 0.1);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: -1;
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 1;
    padding: 0 20px;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    font-family: 'Inter', sans-serif;
    font-weight: 300;
}

/* ======== PAGE HERO ======== */
.page-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    margin-top: 80px;
}

.page-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.25rem;
    font-family: 'Inter', sans-serif;
    font-weight: 300;
    opacity: 0.9;
}

/* ======== BUTTONS ======== */
.cta-button {
    display: inline-block;
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.cta-button:hover {
    background: #b8941f;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--primary-color);
}

/* ======== SECTIONS ======== */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

/* ======== SERVICES PREVIEW ======== */
.services-preview {
    background: var(--background-light);
}

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

.service-card {
    background: var(--background-white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ======== BEFORE/AFTER SECTION ======== */
.before-after {
    background: var(--background-white);
}

.before-after-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.comparison-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    background: var(--background-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.comparison-image {
    position: relative;
    overflow: hidden;
}

.comparison-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
}

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

.image-label {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
}

.image-label.before {
    background: rgba(220, 38, 38, 0.8);
}

.image-label.after {
    background: rgba(16, 185, 129, 0.8);
}

/* ======== CLINIC INTRO ======== */
.clinic-intro {
    background: var(--background-light);
}

.intro-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

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

.stat-item h3 {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-light);
    font-weight: 500;
}

/* ======== CTA BANNER ======== */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
}

.cta-content h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

/* ======== ABOUT PAGE ======== */
.clinic-story {
    background: var(--background-light);
}

.story-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.story-content p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.doctor-profile {
    background: var(--background-white);
}

.doctor-card {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: center;
    background: var(--background-white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.doctor-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.doctor-info h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.doctor-title {
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.doctor-bio {
    line-height: 1.8;
    margin-bottom: 2rem;
}

.doctor-certifications h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.doctor-certifications ul {
    list-style: none;
}

.doctor-certifications li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.doctor-certifications li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* ======== EXPERIENCE COUNTERS ======== */
.experience-counters {
    background: var(--background-light);
}

.counters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.counter-card {
    background: var(--background-white);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.counter-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.counter-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.counter-label {
    color: var(--text-light);
    font-weight: 500;
}

/* ======== MISSION VISION ======== */
.mission-vision {
    background: var(--background-white);
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.mission-card,
.vision-card {
    background: var(--background-light);
    padding: 3rem;
    border-radius: 16px;
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
}

.mission-card:hover,
.vision-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-lg);
}

.mission-card h3,
.vision-card h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

/* ======== SERVICES DETAIL ======== */
.services-detail {
    background: var(--background-light);
}

.services-detail .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.service-detail-card {
    background: var(--background-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.service-detail-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.service-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2rem;
    text-align: center;
}

.service-header .service-icon {
    background: rgba(255, 255, 255, 0.2);
    margin: 0 auto 1rem;
}

.service-header h2 {
    color: white;
    margin: 0;
}

.service-content {
    padding: 2rem;
}

.service-content h3 {
    color: var(--primary-color);
    margin: 1.5rem 0 1rem;
}

.service-content ul,
.service-content ol {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.service-content li {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.service-price {
    background: var(--background-light);
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    margin-top: 1.5rem;
}

.price-label {
    color: var(--text-light);
    font-weight: 500;
}

.price-value {
    color: var(--accent-color);
    font-size: 1.5rem;
    font-weight: 700;
    display: block;
    margin-top: 0.5rem;
}

/* ======== PROCESS STEPS ======== */
.process-steps {
    background: var(--background-white);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.step-card {
    text-align: center;
    padding: 2rem;
    border-radius: 16px;
    background: var(--background-light);
    transition: var(--transition);
}

.step-card:hover {
    background: var(--background-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* ======== GALLERY ======== */
.gallery-filters {
    background: var(--background-light);
    padding: 2rem 0;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--background-white);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-color);
    color: var(--primary-color);
    border-color: var(--accent-color);
}

.gallery-grid {
    background: var(--background-white);
}

.gallery-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    cursor: pointer;
}

.gallery-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
}

.gallery-item.hidden {
    display: none;
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    padding: 2rem;
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h3 {
    color: white;
    margin-bottom: 0.5rem;
}

/* ======== TESTIMONIALS ======== */
.testimonials {
    background: var(--background-light);
}

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

.testimonial-card {
    background: var(--background-white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.testimonial-content {
    margin-bottom: 1.5rem;
    font-style: italic;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

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

.testimonial-author p {
    color: var(--text-light);
    font-size: 0.875rem;
    margin: 0;
}

/* ======== CONTACT FORM ======== */
.contact-form-section {
    background: var(--background-light);
}

.contact-form-container {
    max-width: 800px;
    margin: 0 auto 3rem;
    background: var(--background-white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.application-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    color: var(--text-dark);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #e53e3e;
}

.error-message {
    color: #e53e3e;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    min-height: 1.2em;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.form-checkbox input[type="checkbox"] {
    margin-top: 0.25rem;
}

.form-checkbox label {
    color: var(--text-dark);
    font-weight: 400;
    line-height: 1.5;
}

.submit-btn {
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.submit-btn:hover {
    background: #b8941f;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.submit-btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.info-card {
    background: var(--background-white);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.info-icon {
    width: 80px;
    height: 80px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--accent-color);
}

.info-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.info-card p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

/* ======== PROCESS OVERVIEW ======== */
.process-overview {
    background: var(--background-white);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.process-step {
    text-align: center;
    padding: 2rem;
    border-radius: 16px;
    background: var(--background-light);
    transition: var(--transition);
}

.process-step:hover {
    background: var(--background-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.step-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.process-step h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* ======== MODALS ======== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--background-white);
    margin: 10% auto;
    padding: 0;
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2rem;
    border-radius: 16px 16px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    color: white;
    margin: 0;
}

.close-modal,
.close-lightbox {
    color: white;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    transition: var(--transition);
}

.close-modal:hover,
.close-lightbox:hover {
    opacity: 0.7;
}

.modal-body {
    padding: 2rem;
}

.modal-body p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
    text-align: right;
}

.modal-btn {
    background: var(--accent-color);
    color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.modal-btn:hover {
    background: #b8941f;
}

/* ======== LIGHTBOX ======== */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
}

.lightbox-content {
    position: relative;
    margin: 5% auto;
    padding: 0;
    width: 90%;
    max-width: 800px;
}

.close-lightbox {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 3rem;
    font-weight: bold;
    cursor: pointer;
}

#lightbox-image {
    width: 100%;
    border-radius: 8px;
}

.lightbox-info {
    background: var(--background-white);
    padding: 1.5rem;
    border-radius: 0 0 8px 8px;
}

.lightbox-info h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.lightbox-info p {
    color: var(--text-light);
    margin: 0;
}

/* ======== FOOTER ======== */
.footer {
    background: var(--primary-color);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* ======== ANIMATIONS ======== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ======== RESPONSIVE DESIGN ======== */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: var(--background-white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }

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

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

    .page-title {
        font-size: 2rem;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }

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

    .doctor-card {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .before-after-grid {
        grid-template-columns: 1fr;
    }

    .services-grid,
    .services-detail .services-grid {
        grid-template-columns: 1fr;
    }

    .counters-grid,
    .mission-vision-grid,
    .steps-grid,
    .testimonials-grid,
    .contact-info,
    .process-steps {
        grid-template-columns: 1fr;
    }

    .gallery-items {
        grid-template-columns: 1fr;
    }

    .comparison-card {
        grid-template-columns: 1fr;
    }

    .filter-buttons {
        flex-direction: column;
        align-items: center;
    }

    .filter-btn {
        width: 200px;
    }

    section {
        padding: 60px 0;
    }

    .page-hero {
        padding: 100px 0 60px;
    }

    .contact-form-container {
        padding: 2rem 1.5rem;
    }

    .modal-content {
        margin: 20% auto;
        width: 95%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .cta-button {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
    }

    .service-card,
    .service-detail-card,
    .info-card,
    .testimonial-card {
        padding: 1.5rem;
    }

    .doctor-card {
        padding: 2rem 1.5rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.75rem;
    }
}