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

body {
    font-family: 'Cairo', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
    box-sizing: border-box;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    color: white;
    transition: opacity 0.5s ease;
}

.tooth-animation {
    position: relative;
    margin-bottom: 20px;
}

.tooth {
    font-size: 4rem;
    animation: bounce 1.5s infinite;
}

.sparkle {
    position: absolute;
    top: -10px;
    right: -10px;
    font-size: 1.5rem;
    animation: sparkle 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-20px); }
    60% { transform: translateY(-10px); }
}

@keyframes sparkle {
    0%, 100% { opacity: 0; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #4a90e2;
}

.logo i {
    margin-left: 10px;
    font-size: 2rem;
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #4a90e2;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: #4a90e2;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="white" opacity="0.1"><path d="M0,100 C150,0 350,0 500,50 C650,100 850,100 1000,0 L1000,100 Z"/></svg>') repeat-x;
    background-size: 1000px 100px;
    animation: wave 20s linear infinite;
}

@keyframes wave {
    0% { background-position-x: 0; }
    100% { background-position-x: 1000px; }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    z-index: 1;
    position: relative;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease 0.4s both;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.btn-primary {
    background: white;
    color: #4a90e2;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #4a90e2;
}

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

.floating-tooth {
    font-size: 8rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.dental-tools {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
}

.dental-icon {
    position: absolute;
    font-size: 2rem;
    animation: orbit 10s linear infinite;
}

.dental-icon:nth-child(1) {
    animation-delay: 0s;
    top: 20%;
    left: 70%;
}

.dental-icon:nth-child(2) {
    animation-delay: -3.33s;
    top: 70%;
    left: 20%;
}

.dental-icon:nth-child(3) {
    animation-delay: -6.66s;
    top: 50%;
    right: 10%;
}

@keyframes orbit {
    0% { transform: rotate(0deg) translateX(50px) rotate(0deg); }
    100% { transform: rotate(360deg) translateX(50px) rotate(-360deg); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: #f8f9fa;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
}

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

.doctor-image img {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 5px solid white;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.experience-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #4a90e2;
    color: white;
    padding: 15px;
    border-radius: 50%;
    text-align: center;
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.3);
}

.experience-badge .years {
    font-size: 1.5rem;
    font-weight: 700;
    display: block;
}

.experience-badge .text {
    font-size: 0.8rem;
}

.doctor-info h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 0.5rem;
}

.doctor-info .title {
    color: #4a90e2;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.qualifications {
    margin-bottom: 2rem;
}

.qualification {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 1rem;
    padding: 10px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.qualification i {
    color: #4a90e2;
    font-size: 1.2rem;
}

.bio {
    color: #666;
    line-height: 1.8;
}

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

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(74, 144, 226, 0.1), transparent);
    transition: left 0.5s ease;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4a90e2, #667eea);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.service-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: #4a90e2;
    background: #f0f7ff;
    padding: 10px 20px;
    border-radius: 25px;
    display: inline-block;
}

/* Gallery Section */
.gallery {
    background: #f8f9fa;
}

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

/* Make images responsive */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

.gallery-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
}

.before-after {
    position: relative;
    height: 250px;
    overflow: hidden;
    cursor: pointer;
}

.before, .after {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.before img, .after img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.after {
    clip-path: polygon(50% 0%, 100% 0%, 100% 100%, 50% 100%);
    transition: clip-path 0.3s ease;
}

.before-after:hover .after {
    clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
}

.label {
    position: absolute;
    top: 10px;
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.before .label {
    right: 10px;
}

.after .label {
    left: 10px;
}

.slider {
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: white;
    box-shadow: 0 0 10px rgba(0,0,0,0.3);
    transition: left 0.3s ease;
}

.before-after:hover .slider {
    left: 75%;
}

.gallery-item p {
    padding: 1rem;
    text-align: center;
    font-weight: 600;
    color: #333;
}

/* Reviews Section */
.reviews-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.review-card {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transform: translateX(100%);
    transition: transform 0.5s ease;
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
}

.review-card.active {
    transform: translateX(0);
    position: relative;
}

.stars {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.review-card p {
    font-size: 1.2rem;
    color: #666;
    font-style: italic;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.reviewer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

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

.reviewer h4 {
    color: #333;
    margin-bottom: 0.25rem;
}

.reviewer span {
    color: #4a90e2;
    font-size: 0.9rem;
}

.review-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.prev-btn, .next-btn {
    background: #4a90e2;
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.prev-btn:hover, .next-btn:hover {
    background: #357abd;
    transform: scale(1.1);
}

.dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: background 0.3s ease;
}

.dot.active {
    background: #4a90e2;
}

/* Contact Section */
.contact {
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.info-item:hover {
    transform: translateX(-5px);
}

.info-item i {
    color: #4a90e2;
    font-size: 1.5rem;
    margin-top: 5px;
}

.info-item h4 {
    color: #333;
    margin-bottom: 0.5rem;
}

.info-item p {
    color: #666;
    line-height: 1.6;
}

.map-container {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

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

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

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

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 2rem;
    cursor: pointer;
    color: #aaa;
    transition: color 0.3s ease;
}

.close:hover {
    color: #333;
}

.modal h2 {
    margin-bottom: 2rem;
    color: #333;
    text-align: center;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 600;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #4a90e2;
}

/* Chat Modal */
.chat-modal {
    max-width: 400px;
    height: 600px;
    margin: 2% auto;
}

.chat-container {
    height: 500px;
    display: flex;
    flex-direction: column;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.message {
    margin-bottom: 1rem;
    padding: 10px 15px;
    border-radius: 20px;
    max-width: 80%;
    animation: messageSlideIn 0.3s ease;
}

@keyframes messageSlideIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.bot-message {
    background: #4a90e2;
    color: white;
    align-self: flex-start;
}

.user-message {
    background: #e9ecef;
    color: #333;
    align-self: flex-end;
    margin-right: auto;
    margin-left: 20%;
}

.chat-input {
    display: flex;
    gap: 10px;
    margin-bottom: 1rem;
}

.chat-input input {
    flex: 1;
    padding: 10px 15px;
    border: 2px solid #ddd;
    border-radius: 25px;
    outline: none;
}

.chat-input button {
    background: #4a90e2;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s ease;
}

.chat-input button:hover {
    background: #357abd;
}

.quick-questions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.quick-questions button {
    background: #f8f9fa;
    border: 1px solid #ddd;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.quick-questions button:hover {
    background: #4a90e2;
    color: white;
}

/* Chat Button */
.chat-button {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #4a90e2, #667eea);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(74, 144, 226, 0.4);
    transition: all 0.3s ease;
    z-index: 1000;
}

.chat-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(74, 144, 226, 0.6);
}

.chat-button i {
    color: white;
    font-size: 1.5rem;
}

.chat-notification {
    position: absolute;
    top: -5px;
    right: -5px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* Responsive Design */

/* Large tablets and small desktops */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-content {
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content {
        gap: 3rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        gap: 3rem;
    }
}

/* Tablets */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-container {
        padding: 1rem;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 0.5rem 0;
    }
    
    .hero {
        padding: 2rem 0;
        min-height: 80vh;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        padding: 12px 25px;
        font-size: 0.95rem;
    }
    
    .floating-tooth {
        font-size: 6rem;
    }
    
    .dental-tools {
        display: none;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .section-header h2 {
        font-size: 2.2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .doctor-image img {
        width: 280px;
        height: 280px;
    }
    
    .experience-badge {
        top: 10px;
        right: 10px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .before-after {
        height: 200px;
    }
    
    .review-card {
        padding: 2rem;
    }
    
    .review-card p {
        font-size: 1.1rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .info-item {
        padding: 1rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 5% auto;
        padding: 1.5rem;
    }
    
    .chat-modal {
        height: 85vh;
        width: 95%;
    }
    
    .chat-button {
        bottom: 20px;
        left: 20px;
        width: 55px;
        height: 55px;
    }
}

/* Large phones */
@media (max-width: 640px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .floating-tooth {
        font-size: 5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header p {
        font-size: 1rem;
    }
    
    .doctor-image img {
        width: 250px;
        height: 250px;
    }
    
    .service-card {
        padding: 1.2rem;
    }
    
    .service-icon {
        width: 70px;
        height: 70px;
    }
    
    .service-icon i {
        font-size: 1.8rem;
    }
    
    .review-card {
        padding: 1.5rem;
    }
    
    .reviewer {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .quick-questions {
        flex-direction: column;
    }
    
    .quick-questions button {
        width: 100%;
        text-align: center;
    }
}

/* Small phones */
@media (max-width: 480px) {
    .nav-container {
        padding: 0.8rem;
    }
    
    .logo {
        font-size: 1.3rem;
    }
    
    .logo i {
        font-size: 1.8rem;
    }
    
    .hero {
        min-height: 70vh;
    }
    
    .hero-title {
        font-size: 1.8rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .floating-tooth {
        font-size: 4rem;
    }
    
    section {
        padding: 2rem 0;
    }
    
    .section-header {
        margin-bottom: 2rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .doctor-image img {
        width: 220px;
        height: 220px;
    }
    
    .experience-badge {
        top: 5px;
        right: 5px;
        padding: 10px;
    }
    
    .experience-badge .years {
        font-size: 1.3rem;
    }
    
    .service-card {
        padding: 1rem;
    }
    
    .service-card h3 {
        font-size: 1.2rem;
    }
    
    .service-card p {
        font-size: 0.9rem;
    }
    
    .service-price {
        font-size: 1rem;
        padding: 8px 16px;
    }
    
    .before-after {
        height: 180px;
    }
    
    .review-card {
        padding: 1.2rem;
    }
    
    .review-card p {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .stars {
        font-size: 1.3rem;
    }
    
    .info-item {
        padding: 0.8rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .info-item i {
        font-size: 1.3rem;
    }
    
    .modal-content {
        padding: 1rem;
        margin: 3% auto;
    }
    
    .modal h2 {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .form-group {
        margin-bottom: 1rem;
    }
    
    .form-group input,
    .form-group select {
        padding: 10px;
        font-size: 0.9rem;
    }
    
    .chat-modal {
        height: 90vh;
        width: 98%;
        margin: 1% auto;
    }
    
    .chat-container {
        height: calc(90vh - 120px);
    }
    
    .chat-button {
        width: 50px;
        height: 50px;
        bottom: 15px;
        left: 15px;
    }
    
    .chat-button i {
        font-size: 1.3rem;
    }
}

/* Very small phones */
@media (max-width: 360px) {
    .hero-title {
        font-size: 1.6rem;
    }
    
    .floating-tooth {
        font-size: 3.5rem;
    }
    
    .section-header h2 {
        font-size: 1.6rem;
    }
    
    .doctor-image img {
        width: 200px;
        height: 200px;
    }
    
    .service-card {
        padding: 0.8rem;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
    }
    
    .service-icon i {
        font-size: 1.5rem;
    }
}

/* Landscape orientation for phones */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
        padding: 1rem 0;
    }
    
    .hero-content {
        gap: 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }
    
    .hero-subtitle {
        margin-bottom: 1rem;
    }
    
    .floating-tooth {
        font-size: 3rem;
    }
    
    section {
        padding: 2rem 0;
    }
}

/* Print styles */
@media print {
    .navbar,
    .chat-button,
    .modal,
    .hero-buttons {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .hero {
        background: none !important;
        color: black !important;
        min-height: auto;
        padding: 1rem 0;
    }
    
    section {
        break-inside: avoid;
        padding: 1rem 0;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Additional Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* Loading Animation Complete */
.loading-complete {
    opacity: 0;
    pointer-events: none;
}