/* ==================== Reset & Base Styles ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #1e40af;
    --accent-color: #60a5fa;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --text-lighter: #9ca3af;
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-gray: #f3f4f6;
    --bg-dark: #111827;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Typography */
    --font-family: 'Noto Sans SC', sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 48px;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-base: all 0.3s ease;
    --transition-fast: all 0.2s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

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

ul {
    list-style: none;
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-base);
    border: 2px solid transparent;
    gap: 0.5rem;
}

.btn:hover {
    transform: translateY(-2px);
}

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

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

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

.btn-full {
    width: 100%;
}

/* ==================== Header ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-base);
}

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

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

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-text h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-color);
}

.logo-en {
    font-size: 0.75rem;
    color: var(--text-light);
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-color);
    padding: 0.5rem 0;
    position: relative;
}

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

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

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

.header-actions {
    display: flex;
    gap: 1rem;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    transition: var(--transition-base);
    border-radius: 2px;
}

/* ==================== Mobile Menu ==================== */
.mobile-menu {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: white;
    padding: 2rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-nav ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-nav-link {
    display: block;
    padding: 1rem;
    border-radius: var(--radius-md);
    text-align: center;
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--text-color);
    transition: var(--transition-base);
}

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

.mobile-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.mobile-actions .btn {
    width: 100%;
}

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

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

.bg-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

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

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

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

.text-white {
    color: white !important;
}

/* ==================== Hero Section ==================== */
.hero {
    padding: 8rem 0 5rem;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    overflow: hidden;
}

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

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-color);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-title span {
    display: block;
    color: var(--primary-color);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: var(--font-size-base);
    color: var(--text-light);
}

.hero-image {
    position: relative;
}

.hero-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-xl);
    padding: 4rem 2rem;
    text-align: center;
    color: white;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.hero-icon {
    font-size: 5rem;
    margin-bottom: 1.5rem;
}

.hero-card h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.hero-card p {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* ==================== About Section ==================== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.about-card {
    text-align: center;
    padding: 2.5rem;
    background-color: white;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

.about-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 1.75rem;
}

.about-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.about-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ==================== Services Section ==================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

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

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

.service-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.5rem;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.service-link:hover {
    text-decoration: underline;
}

/* ==================== Doctors Section ==================== */
.doctors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.doctor-card {
    overflow: hidden;
    background-color: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

.doctor-image {
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    padding: 3rem 1rem;
    display: flex;
    justify-content: center;
}

.doctor-avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
}

.doctor-info {
    padding: 1.5rem;
    text-align: center;
}

.doctor-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.doctor-title {
    font-size: var(--font-size-sm);
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.doctor-specialty {
    font-size: var(--font-size-base);
    color: var(--text-color);
    margin-bottom: 0.25rem;
}

.doctor-experience {
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

/* ==================== Guide Section ==================== */
.guide-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 4rem;
}

.guide-step {
    text-align: center;
    color: white;
}

.step-number {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    font-weight: 700;
    color: white;
}

.guide-step h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.guide-step p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    line-height: 1.8;
}

.guide-time {
    display: flex;
    justify-content: center;
}

.time-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem 3rem;
    border-radius: var(--radius-xl);
}

.time-card i {
    font-size: 3rem;
    opacity: 0.8;
}

.time-info h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.time-info p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
}

.time-note {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* ==================== Contact Section ==================== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.contact-value {
    font-size: var(--font-size-lg);
    color: var(--primary-color);
    font-weight: 600;
}

.contact-note {
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

.contact-form {
    background-color: var(--bg-light);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* ==================== CTA Section ==================== */
.cta-content {
    text-align: center;
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: 2rem;
}

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

.btn-outline.text-white {
    color: white;
    border-color: white;
}

.btn-outline.text-white:hover {
    background-color: white;
    color: var(--bg-dark);
}

/* ==================== Footer ==================== */
.footer {
    background-color: var(--bg-dark);
    color: var(--text-lighter);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-about h3 {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-about p {
    line-height: 1.8;
}

.footer-links h4 {
    color: white;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.footer-links ul {
    line-height: 2;
}

.footer-links a {
    color: var(--text-lighter);
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: white;
}

.footer-contact h4 {
    color: white;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.footer-contact ul {
    line-height: 2.5;
}

.footer-contact li {
    display: flex;
    gap: 0.75rem;
}

.footer-contact i {
    color: var(--primary-color);
}

.footer-contact small {
    display: block;
    margin-top: 0.25rem;
    font-size: var(--font-size-sm);
    opacity: 0.7;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom-links {
    display: flex;
    gap: 1rem;
    color: var(--text-lighter);
}

.footer-bottom-links a {
    color: var(--text-lighter);
}

.footer-bottom-links a:hover {
    color: white;
}

/* ==================== Back to Top Button ==================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* ==================== Responsive Design ==================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .doctors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .guide-steps {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-actions {
        display: none;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .stats {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .doctors-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-card {
        padding: 3rem 1.5rem;
    }
    
    .hero-icon {
        font-size: 4rem;
    }
    
    .hero-card h3 {
        font-size: 1.5rem;
    }
    
    .time-card {
        padding: 1rem 1.5rem;
        flex-direction: column;
        text-align: center;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fadeIn {
    animation: fadeIn 0.6s ease-out;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* ==================== Print Styles ==================== */
@media print {
    .header,
    .footer,
    .back-to-top,
    .mobile-menu,
    .cta,
    .contact-form {
        display: none;
    }
    
    body {
        background: white;
    }
    
    .section {
        page-break-inside: avoid;
    }
}