/* ==========================================================================
   PARK CLINICAL HEALTHCARE SYSTEM - NALLAGANDLA
   PREMIUM PEDIATRIC & FAMILY CLINIC DESIGN SYSTEM (TEAL THEME)
   ========================================================================== */

:root {
    --color-primary: #2A6F6D;
    --color-primary-dark: #194847;
    --color-primary-light: #4A8F8D;
    --color-secondary: #0ea5e9;
    --color-accent: #01b6af;
    --color-accent-light: #e0f2f1;
    --color-teal-light: #e0f2f1;
    --color-dark: #0f172a;
    --color-indigo: #192b38;
    --color-slate: #334155;
    --color-muted: #64748b;
    --color-light: #f8fafc;
    --color-white: #ffffff;
    --color-gold: #d97706;
    --color-cream: #fdfbf7;
    
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'DM Sans', 'Inter', -apple-system, sans-serif;
    
    --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 50px rgba(42, 111, 109, 0.14);
    --shadow-glow: 0 0 25px rgba(42, 111, 109, 0.25);
    
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--color-slate);
    background-color: #fafbfc;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-dark);
    font-weight: 800;
    line-height: 1.25;
}

.serif-font {
    font-family: var(--font-heading);
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, #0284c7 50%, var(--color-primary-dark) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(42, 111, 109, 0.1);
    color: var(--color-primary);
    border: 1.5px solid rgba(42, 111, 109, 0.25);
    padding: 0.45rem 1.15rem;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 750;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4.75rem auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-header p {
    color: var(--color-muted);
    font-size: 1.1rem;
    line-height: 1.7;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    transition: all 0.3s ease;
    padding: 0.85rem 0;
}

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

.brand-wrapper {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
}

.brand-logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: 12px;
}

.brand-text-box h3 {
    font-size: 1.25rem;
    color: var(--color-dark);
    line-height: 1.1;
    font-weight: 900;
}

.brand-text-box span {
    font-size: 0.78rem;
    color: var(--color-primary);
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--color-slate);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

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

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: 0.8rem 1.6rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(42, 111, 109, 0.25);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(42, 111, 109, 0.35);
    background: linear-gradient(135deg, #194847 0%, #0f302f 100%);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: var(--color-white);
    color: var(--color-dark);
    padding: 0.8rem 1.6rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    border: 1.5px solid #cbd5e1;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

/* Hero Section */
.hero-section {
    padding: 9.5rem 0 5rem 0;
    background: radial-gradient(circle at 80% 20%, rgba(224, 242, 241, 0.6) 0%, rgba(250, 251, 252, 1) 70%);
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.3rem;
    line-height: 1.18;
    margin-bottom: 1.5rem;
    min-height: 2.3em;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--color-muted);
    line-height: 1.75;
    margin-bottom: 2rem;
    max-width: 620px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 3rem;
}

.hero-stats-row {
    display: flex;
    align-items: center;
    gap: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
}

.stat-item h4 {
    font-size: 2.1rem;
    color: var(--color-primary);
    font-weight: 900;
    line-height: 1;
    margin-bottom: 0.35rem;
}

.stat-item p {
    font-size: 0.88rem;
    color: var(--color-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-visual-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--color-white);
}

.hero-visual-card img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    display: block;
}

.hero-floating-pill {
    position: absolute;
    bottom: 1.75rem;
    left: 1.75rem;
    right: 1.75rem;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(12px);
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.pill-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(42, 111, 109, 0.12);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

/* About Section */
.about-section {
    padding: 6.5rem 0;
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 4.5rem;
    align-items: center;
}

.about-image-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    position: relative;
}

.about-image-card img {
    width: 100%;
    height: 490px;
    object-fit: cover;
}

.about-highlights-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 1.75rem;
}

.about-highlights-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: #f8fafc;
    padding: 1.1rem 1.35rem;
    border-radius: var(--radius-md);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.about-highlights-list li:hover {
    border-color: var(--color-primary-light);
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.about-highlights-list i {
    color: var(--color-primary);
    font-size: 1.3rem;
    margin-top: 0.15rem;
}

/* Doctors Section */
.doctors-section {
    padding: 6.5rem 0;
    background: #f1f5f9;
}

.doctor-profile-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-md);
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3.5rem;
    align-items: center;
    border: 1px solid #e2e8f0;
}

.doctor-avatar-circle {
    width: 260px;
    height: 260px;
    border-radius: 50%;
    overflow: hidden;
    border: 6px solid var(--color-teal-light);
    box-shadow: var(--shadow-md);
    margin: 0 auto;
}

.doctor-avatar-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.doctor-title-box h3 {
    font-size: 2.1rem;
    margin-bottom: 0.35rem;
}

.doctor-designation {
    color: var(--color-primary);
    font-weight: 750;
    font-size: 1.05rem;
    margin-bottom: 0.35rem;
}

.doctor-credentials {
    font-size: 0.92rem;
    color: var(--color-muted);
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.doctor-bio {
    font-size: 1rem;
    color: var(--color-slate);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.doctor-specialties-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1.75rem;
}

.specialty-tag {
    background: rgba(42, 111, 109, 0.08);
    color: var(--color-primary-dark);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    border: 1px solid rgba(42, 111, 109, 0.2);
}

/* Department Treatments Section */
.departments-section {
    padding: 6.5rem 0;
    background: var(--color-white);
}

.dept-filter-bar {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 3.5rem;
}

.dept-tab-btn {
    background: #f1f5f9;
    color: var(--color-slate);
    border: 1px solid #cbd5e1;
    padding: 0.65rem 1.35rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.25s ease;
}

.dept-tab-btn:hover, .dept-tab-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: 0 4px 14px rgba(42, 111, 109, 0.3);
}

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

.department-card {
    background: var(--color-white);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 2.25rem 1.75rem;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.department-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.dept-icon-circle {
    width: 58px;
    height: 58px;
    border-radius: 16px;
    background: rgba(42, 111, 109, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 1.35rem;
}

.department-card h4 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.department-card p {
    font-size: 0.95rem;
    color: var(--color-muted);
    line-height: 1.65;
}

/* Facilities Section */
.facilities-section {
    padding: 6.5rem 0;
    background: #f8fafc;
}

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

.facility-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 2.25rem;
    border: 1px solid #e2e8f0;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.facility-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.facility-icon {
    font-size: 2.2rem;
    color: var(--color-primary);
    margin-bottom: 1.25rem;
}

.facility-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.6rem;
}

.facility-card p {
    font-size: 0.92rem;
    color: var(--color-muted);
    line-height: 1.6;
}

/* Reviews / Testimonials Section */
.testimonials-section {
    padding: 6.5rem 0;
    background: var(--color-white);
}

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

.testimonial-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.stars-row {
    color: var(--color-gold);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.testimonial-quote {
    font-size: 0.98rem;
    color: var(--color-slate);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.patient-author {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-primary-light);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
}

.author-info h5 {
    font-size: 0.95rem;
    margin-bottom: 0.15rem;
}

.author-info span {
    font-size: 0.8rem;
    color: var(--color-muted);
}

/* Contact & Timings Section */
.contact-section {
    padding: 6.5rem 0;
    background: #0f172a;
    color: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
}

.contact-info-col h2 {
    color: var(--color-white);
    font-size: 2.4rem;
    margin-bottom: 1.25rem;
}

.contact-info-col p {
    color: #94a3b8;
    font-size: 1.05rem;
    margin-bottom: 2.25rem;
}

.contact-details-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-detail-item {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.contact-detail-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(42, 111, 109, 0.25);
    color: #4A8F8D;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contact-detail-text h5 {
    color: var(--color-white);
    font-size: 1.05rem;
    margin-bottom: 0.25rem;
}

.contact-detail-text p {
    color: #cbd5e1;
    font-size: 0.95rem;
    margin: 0;
}

.timings-card {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.timings-card h3 {
    color: var(--color-white);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 1rem;
}

.timing-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
}

.timing-row:last-child {
    border-bottom: none;
}

.day-label {
    color: #94a3b8;
    font-weight: 600;
}

.time-val {
    color: #4A8F8D;
    font-weight: 750;
}

/* Modal Popup */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-box {
    background: var(--color-white);
    width: 100%;
    max-width: 580px;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    transform: scale(0.92);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-box {
    transform: scale(1);
}

.modal-close-btn {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: #f1f5f9;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-slate);
    font-size: 1.1rem;
}

.modal-box h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.modal-box p {
    color: var(--color-muted);
    font-size: 0.95rem;
    margin-bottom: 1.75rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--color-dark);
    margin-bottom: 0.4rem;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1.5px solid #cbd5e1;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-dark);
    transition: border-color 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Animations */
.typewriter-cursor {
    display: inline-block;
    width: 3px;
    background-color: var(--color-primary);
    margin-left: 4px;
    animation: blink 0.75s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-desc-anim, .hero-actions-anim, .hero-stats-anim {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.hero-title-anim, .hero-visual-anim {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.item-revealed {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.delay-100 { transition-delay: 0.1s; }
.delay-150 { transition-delay: 0.15s; }
.delay-200 { transition-delay: 0.2s; }
.delay-250 { transition-delay: 0.25s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .hero-grid, .about-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .doctor-profile-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .doctor-avatar-circle {
        margin: 0 auto 1.5rem auto;
    }
    
    .doctor-specialties-tags {
        justify-content: center;
    }
    
    .facilities-grid, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 2.4rem;
    }
    
    .hero-stats-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
    
    .facilities-grid, .testimonials-grid {
        grid-template-columns: 1fr;
    }
}