/* ===== CSS Variables & Reset ===== */
:root {
    --primary: #0D47A1;          /* Deep professional blue from logo */
    --primary-dark: #002171;
    --primary-light: #1565C0;
    --accent: #C2185B;           /* Magenta / Pink from logo */
    --accent-hover: #AD1457;
    --accent-soft: #FCE4EC;
    --text: #1A237E;
    --text-light: #546E7A;
    --bg: #ffffff;
    --bg-soft: #F5F7FA;
    --bg-dark: #0D47A1;
    --border: #E3E8EF;
    --white: #ffffff;
    --shadow: 0 10px 40px rgba(13, 71, 161, 0.08);
    --shadow-lg: 0 20px 60px rgba(13, 71, 161, 0.12);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

img {
    max-width: 100%;
    display: block;
}

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 700;
    line-height: 1.25;
    color: var(--text);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 1rem; }
h3 { font-size: 1.25rem; }

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(194, 24, 91, 0.35);
}

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

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

.btn-sm {
    padding: 8px 18px;
    font-size: 0.85rem;
    background: var(--accent);
    color: white;
    border-radius: 50px;
    font-weight: 600;
}

.btn-sm:hover {
    background: var(--accent-hover);
}

.btn-full {
    width: 100%;
}

/* ===== Top Bar ===== */
.top-bar {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.9);
    font-size: 0.875rem;
    padding: 10px 0;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.top-bar-left {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.top-bar strong {
    color: #fff;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.social-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.social-links a {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: rgba(255,255,255,0.14);
}

.social-links a:hover {
    background: var(--accent);
    color: #fff;
}

.social-links-footer {
    margin-top: 16px;
}

.social-links-footer a {
    background: rgba(255,255,255,0.12);
}

.whatsapp-float {
    position: fixed;
    right: 18px;
    bottom: 18px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #25D366;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 24px rgba(37, 211, 102, 0.4);
    z-index: 1200;
}

.whatsapp-float:hover {
    transform: translateY(-2px);
    color: #fff;
}

/* ===== Header ===== */
.header {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
    transition: var(--transition);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0;
    background: #ffffff;
    padding: 6px 10px;
    border-radius: 10px;
}

.logo img {
    height: 58px;
    width: auto;
    max-width: 280px;
    object-fit: contain;
    background: #ffffff;
}

.nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: nowrap;
}

.nav-link {
    padding: 8px 12px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text);
    border-radius: 8px;
    white-space: nowrap;
}

.nav-book {
    background: var(--accent);
    color: #fff !important;
}

.nav-book:hover {
    background: var(--accent-hover);
    color: #fff !important;
}

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    width: 24px;
    height: 2.5px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 88vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0D47A1 0%, #1565C0 45%, #C2185B 100%);
    color: white;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 15% 80%, rgba(194,24,91,0.25) 0%, transparent 50%),
        radial-gradient(circle at 85% 20%, rgba(255,255,255,0.08) 0%, transparent 40%);
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 80px 24px;
}

.hero-eyebrow {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 20px;
    color: #FFE0EC;
}

.hero h1 {
    color: white;
    margin-bottom: 20px;
    max-width: 700px;
}

.hero-desc {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.92);
    max-width: 560px;
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-desc strong {
    color: white;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    font-family: 'Playfair Display', serif;
    color: white;
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
}

/* ===== Sections Common ===== */
.section {
    padding: 90px 0;
}

.section-header {
    margin-bottom: 50px;
}

.section-header.center {
    text-align: center;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 50px;
}

.section-eyebrow {
    display: inline-block;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
}

.section-desc {
    margin-top: 12px;
    font-size: 1.05rem;
}

/* ===== About ===== */
.about {
    background: var(--bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-content p {
    margin-bottom: 18px;
    font-size: 1.05rem;
}

.about-list {
    margin: 24px 0 32px;
}

.about-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
    color: var(--text);
    font-weight: 500;
}

.about-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.feature-card {
    background: var(--bg-soft);
    padding: 28px 24px;
    border-radius: var(--radius);
    transition: var(--transition);
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--border);
    background: white;
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 14px;
}

.feature-card h3 {
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.feature-card p {
    font-size: 0.9rem;
}

/* ===== Departments ===== */
.departments {
    background: var(--bg-soft);
}

.departments-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.dept-card {
    background: white;
    padding: 32px 24px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.dept-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.dept-icon {
    font-size: 2.4rem;
    margin-bottom: 16px;
}

.dept-card h3 {
    margin-bottom: 10px;
    color: var(--primary);
}

.dept-card p {
    font-size: 0.9rem;
}

/* ===== Why Us ===== */
.why-us {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.why-us .section-eyebrow {
    color: #F8BBD0;
}

.why-us h2 {
    color: white;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.why-item {
    text-align: center;
    padding: 20px;
}

.why-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    font-family: 'Playfair Display', serif;
    color: var(--accent);
    margin-bottom: 12px;
    opacity: 0.95;
}

.why-item h3 {
    color: white;
    margin-bottom: 10px;
    font-size: 1.15rem;
}

.why-item p {
    color: rgba(255,255,255,0.85);
    font-size: 0.95rem;
}

/* ===== Doctors ===== */
.doctors {
    background: white;
}

.doctors-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.doctor-card {
    background: var(--bg-soft);
    border-radius: var(--radius-lg);
    padding: 40px 28px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.doctor-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    background: white;
    border-color: var(--border);
}

.doctor-photo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    border: 4px solid #fff;
    box-shadow: var(--shadow);
    background: var(--bg-soft);
}

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

.photo-kona img {
    object-position: center 18%;
}

.photo-jyothi img {
    object-position: center 22%;
}

.doctor-card h3 {
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.doctor-specialty {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 8px;
}

.doctor-exp {
    font-size: 0.88rem;
    line-height: 1.5;
}

/* ===== Appointment ===== */
.appointment {
    background: var(--bg-soft);
}

.appointment-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 0;
    align-items: stretch;
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.appointment-info {
    padding: 50px 40px;
    background: linear-gradient(160deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
}

.appointment-info .section-eyebrow {
    color: #F8BBD0;
}

.appointment-info h2 {
    color: white;
    margin-bottom: 16px;
}

.appointment-info > p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 30px;
}

.appointment-contact p {
    color: rgba(255,255,255,0.95);
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.appointment-form-box {
    padding: 50px 40px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
    background: #fafcfd;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: white;
    box-shadow: 0 0 0 3px rgba(194, 24, 91, 0.15);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-note {
    margin-top: 12px;
    font-size: 0.8rem;
    text-align: center;
}

/* ===== Footer ===== */
.hero-rating {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 12px;
    margin: 0 0 18px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255,255,255,0.16);
    color: #fff;
    font-size: 0.9rem;
}

.hero-rating .hero-stars {
    color: #FFD54F;
    letter-spacing: 1px;
}

.hero-rating a {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.reviews-grid,
.updates-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.review-card,
.update-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.review-stars {
    color: #F9A825;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.review-text {
    color: var(--text);
    margin-bottom: 16px;
}

.review-name {
    font-weight: 600;
    margin-bottom: 2px;
}

.review-meta,
.update-date {
    color: var(--text-light);
    font-size: 0.85rem;
}

.update-card h3 {
    font-size: 1.15rem;
    margin: 8px 0 10px;
}

@media (max-width: 900px) {
    .reviews-grid,
    .updates-list {
        grid-template-columns: 1fr;
    }
}

.service-group-title {
    font-size: 1.15rem;
    margin: 10px 0 16px;
    color: var(--primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 36px;
}

.service-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow);
}

.service-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
}

.service-card h3 {
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.service-price {
    margin-top: 14px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

@media (max-width: 900px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.gallery-item {
    margin: 0;
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.gallery-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.gallery-item figcaption {
    padding: 10px 12px 14px;
    font-size: 0.9rem;
    color: var(--text-light);
}

@media (max-width: 900px) {
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 560px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

.map-section {
    padding-top: 20px;
}

.map-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--bg-soft);
}

.map-wrap iframe {
    display: block;
    width: 100%;
    min-height: 380px;
}

.map-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 22px;
}

.footer {
    background: #0A1F44;
    color: rgba(255,255,255,0.85);
    padding: 70px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.2fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer img[alt="Saanvika Chest & Eye Hospital"],
.footer-logo img {
    height: 56px;
    width: auto;
    background: #ffffff;
    padding: 8px 10px;
    border-radius: 10px;
    max-width: 260px;
    margin-bottom: 16px;
    filter: brightness(1.1);
}

.footer-about p {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
}

.footer h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 18px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.footer-links a {
    display: block;
    color: rgba(255,255,255,0.7);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: #F48FB1;
    padding-left: 4px;
}

.footer-contact p,
.footer-hours p {
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: rgba(255,255,255,0.75);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.5);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .departments-grid,
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid,
    .appointment-wrapper {
        grid-template-columns: 1fr;
    }
    
    .doctors-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .logo img {
        height: 52px;
        max-width: 240px;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 90px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }
    
    .nav.open {
        display: flex;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding: 60px 0;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .departments-grid,
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .appointment-info,
    .appointment-form-box {
        padding: 36px 24px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .top-bar .container {
        flex-direction: column;
        text-align: center;
    }
    
    .logo img {
        height: 46px;
        max-width: 200px;
    }
    
    .header .container {
        height: 76px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

/* Self-checks */
.q-section { background: var(--bg-soft); }
.q-section:nth-of-type(even) { background: #fff; }
.q-wrap { max-width: 760px; }
.q-intro { color: var(--text-light); margin: 8px 0 24px; }
.q-form fieldset {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 18px;
    margin-bottom: 14px;
    background: #fff;
}
.q-form legend { font-weight: 600; padding: 0 6px; }
.q-form legend span { display: block; font-weight: 400; color: var(--text-light); font-size: 0.92rem; margin-top: 4px; }
.q-form label { display: block; padding: 6px 0; cursor: pointer; }
.q-result {
    margin-top: 20px;
    padding: 20px;
    border-radius: var(--radius);
    background: #fff;
    border: 1px solid var(--border);
}
.q-result.ok { border-color: #2e7d32; }
.q-result.mid { border-color: #ef6c00; }
.q-result.high { border-color: var(--accent); }
.q-result.warn { border-color: #c62828; }
.q-score { font-size: 1.15rem; margin-bottom: 8px; }
.q-note { font-size: 0.85rem; color: var(--text-light); margin-top: 10px; }
.q-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.service-card { text-decoration: none; color: inherit; }