/* ===================================
   HEALING COLOR PALETTE & VARIABLES
   =================================== */
:root {
    /* Healing Colors */
    --primary-teal: #5B9BD5;
    --sage-green: #7CB9B8;
    --soft-cream: #F5F1E8;
    --light-lavender: #E8E4F3;
    --warm-accent: #D4A574;
    --deep-teal: #4A7BA7;
    
    /* Neutral Colors */
    --dark-gray: #2C3E50;
    --light-gray: #ECF0F1;
    --very-light-gray: #F8F9FA;
    --border-color: #DDD;
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-secondary: 'Georgia', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--dark-gray);
    background-color: var(--very-light-gray);
    line-height: 1.6;
}

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

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

ul {
    list-style: none;
}

/* ===================================
   BUTTONS & INTERACTIVE ELEMENTS
   =================================== */
.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--sage-green) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(91, 155, 213, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(91, 155, 213, 0.4);
}

/* ===================================
   NAVIGATION BAR
   =================================== */
.navbar {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    flex: 1;
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary-teal);
    font-weight: 700;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--sage-green);
    font-style: italic;
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-menu li a {
    color: var(--dark-gray);
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
}

.nav-menu li a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-teal);
    transition: var(--transition);
}

.nav-menu li a:hover:after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-teal);
    margin: 5px 0;
    transition: var(--transition);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: white;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        display: none;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: white;
    text-align: center;
}

.hero-image {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(91, 155, 213, 0.7) 0%, rgba(124, 185, 184, 0.7) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    animation: fadeInUp 0.8s ease;
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

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

@media (max-width: 768px) {
    .hero {
        height: 400px;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }
}

/* ===================================
   SECTION TITLES
   =================================== */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-xxl);
    position: relative;
    padding-bottom: var(--spacing-lg);
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-teal) 0%, var(--sage-green) 100%);
    border-radius: 2px;
}

/* ===================================
   SERVICES SECTION
   =================================== */
.services {
    padding: var(--spacing-xxl) 0;
    background: white;
}

/* Service Tabs */
.service-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xxl);
    flex-wrap: wrap;
}

.tab-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--light-gray);
    background: transparent;
    color: var(--dark-gray);
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--primary-teal);
    color: white;
    border-color: var(--primary-teal);
}

/* Service Grid */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.service-card {
    background: linear-gradient(135deg, var(--soft-cream) 0%, var(--light-lavender) 100%);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--primary-teal);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(91, 155, 213, 0.2);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    color: var(--primary-teal);
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

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

/* Tab Content */
.tab-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

.tab-content.active {
    display: block;
}

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

/* Specialized Care */
.specialized-care {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.care-category {
    background: linear-gradient(135deg, var(--soft-cream) 0%, var(--light-lavender) 100%);
    padding: var(--spacing-lg);
    border-radius: 12px;
    border-left: 4px solid var(--sage-green);
}

.care-category h3 {
    color: var(--primary-teal);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.care-category ul li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--dark-gray);
}

.care-category ul li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--sage-green);
    font-weight: bold;
}

/* Preventive Section */
.preventive-section {
    background: linear-gradient(135deg, var(--soft-cream) 0%, var(--light-lavender) 100%);
    padding: var(--spacing-xl);
    border-radius: 12px;
    text-align: center;
}

.preventive-section h3 {
    color: var(--primary-teal);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
}

.preventive-section p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    color: var(--dark-gray);
}

.checkup-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.feature {
    padding: var(--spacing-md);
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.feature-icon {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: var(--primary-teal);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
}

/* ===================================
   LABORATORY SECTION
   =================================== */
.laboratory {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--light-lavender) 0%, var(--very-light-gray) 100%);
}

.lab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.lab-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border-top: 4px solid var(--primary-teal);
    transition: var(--transition);
}

.lab-card:hover {
    box-shadow: 0 8px 25px rgba(91, 155, 213, 0.2);
    transform: translateY(-5px);
}

.lab-card h4 {
    color: var(--primary-teal);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.lab-card ul li {
    padding: var(--spacing-xs) 0;
    color: var(--dark-gray);
    font-size: 0.95rem;
    padding-left: var(--spacing-md);
    position: relative;
}

.lab-card ul li:before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--sage-green);
    font-weight: bold;
}

/* ===================================
   FACILITIES SECTION
   =================================== */
.facilities {
    padding: var(--spacing-xxl) 0;
    background: white;
}

.facility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.facility-item {
    background: linear-gradient(135deg, var(--soft-cream) 0%, var(--light-lavender) 100%);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.facility-item:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(91, 155, 213, 0.2);
}

.facility-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.facility-item h3 {
    color: var(--primary-teal);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.facility-item p {
    color: var(--dark-gray);
    font-size: 0.9rem;
}

/* ===================================
   DOCTOR PROFILE SECTION
   =================================== */
.doctor-profile {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--very-light-gray) 0%, white 100%);
}

.profile-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.profile-image {
    position: relative;
}

.doctor-photo {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(91, 155, 213, 0.3);
    transition: var(--transition);
}

.doctor-photo:hover {
    transform: scale(1.02);
}

.profile-info h2 {
    color: var(--dark-gray);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.specialty {
    color: var(--primary-teal);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.dob {
    color: var(--sage-green);
    margin-bottom: var(--spacing-lg);
    font-size: 0.95rem;
}

.profile-info h3 {
    color: var(--dark-gray);
    font-size: 1.3rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--light-lavender);
}

/* Credentials */
.credentials {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.credential-item {
    background: var(--soft-cream);
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 4px solid var(--primary-teal);
}

.credential-item a {
    color: var(--primary-teal);
    font-weight: 600;
    text-decoration: underline;
}

.credential-item a:hover {
    color: var(--sage-green);
}

/* Memberships */
.memberships {
    display: grid;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.memberships li {
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--dark-gray);
}

.memberships li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--sage-green);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Awards */
.awards {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.award-item {
    background: linear-gradient(135deg, var(--soft-cream) 0%, var(--light-lavender) 100%);
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 4px solid var(--warm-accent);
}

.award-item strong {
    color: var(--primary-teal);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.award-item p {
    color: var(--dark-gray);
    font-size: 0.95rem;
}

/* Research Stats */
.research-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.stat {
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--sage-green) 100%);
    padding: var(--spacing-lg);
    border-radius: 10px;
    color: white;
    text-align: center;
}

.stat h4 {
    font-size: 2.5rem;
    font-weight: 700;
}

.stat p {
    font-size: 0.95rem;
    margin-top: var(--spacing-sm);
}

.research-desc {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

/* Interest Tags */
.interests {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.interest-tag {
    background: var(--light-lavender);
    color: var(--primary-teal);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--primary-teal);
}

.yoga-note {
    color: var(--sage-green);
    font-style: italic;
    margin-top: var(--spacing-md);
}

@media (max-width: 768px) {
    .profile-content {
        grid-template-columns: 1fr;
    }

    .research-stats {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--soft-cream) 0%, var(--light-lavender) 100%);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
}

.contact-info h3 {
    color: var(--dark-gray);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
}

.clinic-tagline {
    color: var(--sage-green);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    display: grid;
    gap: var(--spacing-lg);
}

.detail-item {
    display: flex;
    gap: var(--spacing-md);
}

.detail-icon {
    font-size: 1.8rem;
    min-width: 40px;
}

.detail-item p {
    color: var(--dark-gray);
    margin: 0;
}

.detail-item p:first-child {
    font-weight: 600;
    color: var(--primary-teal);
    font-size: 0.9rem;
}

.detail-value {
    font-weight: 500 !important;
}

/* Contact Form */
.contact-form {
    display: grid;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--light-gray);
    border-radius: 8px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-teal);
    box-shadow: 0 0 0 3px rgba(91, 155, 213, 0.1);
}

.contact-form .btn {
    width: 100%;
}

@media (max-width: 768px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--dark-gray);
    color: white;
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

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

.footer-section h4 {
    color: var(--primary-teal);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer-section p {
    color: #ccc;
    line-height: 1.8;
}

.footer-section ul {
    display: grid;
    gap: var(--spacing-sm);
}

.footer-section ul li a {
    color: #ccc;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-teal);
    margin-left: 5px;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--primary-teal);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: #aaa;
}

.footer-bottom a {
    color: var(--primary-teal);
    transition: var(--transition);
}

.footer-bottom a:hover {
    color: var(--sage-green);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .service-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xxl: 2.5rem;
        --spacing-xl: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .service-tabs {
        gap: var(--spacing-sm);
    }

    .tab-btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.9rem;
    }

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

    .facility-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.4rem;
    }

    .nav-menu {
        gap: var(--spacing-sm);
    }

    .nav-menu li a {
        font-size: 0.95rem;
    }

    .hero-content h2 {
        font-size: 1.5rem;
    }

    .hero-content p {
        font-size: 0.9rem;
    }

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

    .research-stats {
        grid-template-columns: 1fr;
    }

    .interests {
        justify-content: center;
    }
}

/* ===================================
   PRINT STYLES
   =================================== */
@media print {
    .navbar,
    .contact,
    .footer {
        display: none;
    }

    .service-card,
    .lab-card,
    .facility-item {
        page-break-inside: avoid;
    }
}