:root {
    /* Premium Health Theme */
    --primary-900: #0f172a;
    /* Deep Navy */
    --primary-800: #1e293b;
    --primary-50: #f1f5f9;

    --accent-600: #1d4ed8;
    /* Vibrant Blue - Optimized for Contrast */
    --accent-500: #3b82f6;
    --accent-100: #dbeafe;

    --teal-500: #14b8a6;
    /* Medical Teal (Trust) */

    --text-main: #334155;
    --text-muted: #64748b;
    --white: #ffffff;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);

    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;

    --font-heading: 'Inter', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: #ffffff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    color: var(--primary-900);
    line-height: 1.2;
    letter-spacing: -0.025em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--primary-50);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-900);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--accent-600);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    padding: 0.5rem;
}

.nav-links a:hover {
    color: var(--accent-600);
}

/* Buttons & CTAs */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95rem;
    border: none;
    transition: all 0.2s ease;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--accent-600);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
    background: var(--accent-500);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: var(--primary-50);
    color: var(--primary-900);
}

.btn-secondary:hover {
    background: #e2e8f0;
}

.btn-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(37, 99, 235, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
    }
}

/* Hero Section */
#hero {
    padding: 6rem 0;
    background: radial-gradient(circle at top right, var(--accent-100) 0%, #ffffff 40%);
    overflow: hidden;
}

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

.hero-wrapper>div {
    max-width: 100%;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Trust floaters */
.trust-badge {
    position: absolute;
    background: white;
    padding: 1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 1rem;
    bottom: -20px;
    left: -20px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0)
    }

    50% {
        transform: translateY(-10px)
    }

    100% {
        transform: translateY(0)
    }
}


/* Sections Generic */
.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title span {
    color: var(--accent-600);
    text-transform: uppercase;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 0.5rem;
}

.section-title h2 {
    font-size: 2.25rem;
}

/* Services Grid */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--primary-50);
    transition: all 0.3s ease;
    cursor: default;
}

.card:hover {
    border-color: var(--accent-100);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.card-icon {
    width: 50px;
    height: 50px;
    background: var(--accent-100);
    color: var(--accent-600);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

/* Reviews */
.review-card {
    background: var(--primary-900);
    color: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
}

.stars {
    color: #fbbf24;
    margin-bottom: 1rem;
}

/* Sticky Mobile - premium Floating Bar is handled in media query below */
.sticky-footer-cta {
    display: none;
    /* Hidden by default on desktop */
}

/* Tablet/Mobile Adjustments */
@media (max-width: 1024px) {
    .hero-wrapper {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        margin: 0 auto 2rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        justify-content: center;
        height: 70px;
    }
    .logo {
        text-align: center;
    }
    .logo span:first-child {
        font-size: 1rem !important;
    }
    .logo span:last-child {
        font-size: 0.65rem !important;
    }
    .nav-links,
    .desktop-cta {
        display: none;
    }

    /* Sticky Footer - Modern Floating Dock */
    .sticky-footer-cta {
        display: flex !important;
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        width: 90%;
        max-width: 400px;
        z-index: 2147483647;
        gap: 0;
        padding: 5px;
        background: rgba(15, 23, 42, 0.95);
        /* Dark Slate */
        backdrop-filter: blur(12px);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 100px;
        /* Full Capsule */
        box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
    }

    .sticky-footer-cta a {
        flex: 1;
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 8px;
        height: 48px;
        border-radius: 50px;
        font-weight: 600;
        text-decoration: none;
        font-size: 0.9rem;
        transition: all 0.3s ease;
        color: rgba(255, 255, 255, 0.9) !important;
    }

    .sticky-footer-cta a svg {
        width: 20px;
        height: 20px;
        opacity: 0.9;
    }

    /* Call Button - Primary Blue */
    .btn-call-sticky {
        background: #1d4ed8;
        color: white !important;
        box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
    }

    /* Itinerary - Transparent/Ghost */
    .btn-map-sticky {
        background: transparent;
        color: rgba(255, 255, 255, 0.8) !important;
        box-shadow: none;
    }

    .btn-map-sticky:hover,
    .btn-map-sticky:active {
        background: rgba(255, 255, 255, 0.1);
        color: white !important;
    }

    .hero-wrapper {
        gap: 2.5rem;
        grid-template-columns: 1fr;
    }

    #hero {
        padding: 4rem 0;
    }

    h1 {
        font-size: 2.2rem !important;
    }

    h2 {
        font-size: 1.8rem !important;
    }
}

/* Scroll Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Feature List Polish */
.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--primary-900);
    background: white;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* Sticky Pulse Animation - Refined */
@keyframes pulse-sticky {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.02);
    }

    100% {
        transform: scale(1);
    }
}

.sticky-footer-cta:hover .btn-call-sticky {
    animation: pulse-sticky 2s infinite;
}

/* Chapter Images Polish */
.img-chapter {
    width: 100%;
    max-height: 280px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
}

@media (min-width: 768px) {
    .img-chapter {
        max-height: 350px;
    }
}

.img-chapter:hover {
    transform: scale(1.02);
}

/* Swiper Enhancements */
.swiper-pagination-bullet {
    width: 16px !important;
    height: 16px !important;
    margin: 0 8px !important;
}

.swiper-slide {
    height: 100%;
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
}


/* Floating WhatsApp Button */
.btn-whatsapp-pulse {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #15803d;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    animation: pulse-green 2s infinite;
}

.btn-whatsapp-pulse:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

@keyframes pulse-green {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }

    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Adjust for Mobile */
@media (max-width: 768px) {
    .btn-whatsapp-pulse {
        bottom: 90px;
        /* Position above the sticky footer bar */
        right: 20px;
        width: 50px;
        height: 50px;
    }

    .btn-whatsapp-pulse svg {
        width: 28px;
        height: 28px;
    }
}

.swiper-pagination-bullet-active {
    background: var(--accent-600) !important;
}

/* Responsive Section Spacing */
.section-mission,
.section-tech,
.section-services,
.section-team,
.section-why,
.section-faq {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.gap-lg {
    gap: 5rem;
}

@media (max-width: 768px) {

    .section-mission,
    .section-tech,
    .section-services {
        padding-top: 4rem !important;
        padding-bottom: 4rem !important;
    }

    .gap-lg {
        gap: 2.5rem !important;
    }

    .section-title h2 {
        font-size: 2rem !important;
    }
}

/* Hero Gradient Animation */
@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

#hero {
    background: radial-gradient(circle at top right, var(--accent-100) 0%, #ffffff 40%);
    background-size: 200% 200%;
    animation: gradient-shift 15s ease infinite;
}

/* FAQ Accordion Polish */
details {
    overflow: hidden;
    transition: all 0.3s ease;
}

details[open] {
    background: var(--primary-50);
}

summary {
    list-style: none;
    position: relative;
    padding-right: 2rem;
}

summary::-webkit-details-marker {
    display: none;
}

summary::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--accent-600);
    transition: transform 0.3s ease;
}

details[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
}

/* Back to Top Button */
#back-to-top {
    position: fixed;
    bottom: 100px;
    /* Moved up above WhatsApp button */
    right: 30px;
    width: 50px;
    height: 50px;
    background: white;
    color: var(--accent-600);
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 9000;
    border: 1px solid var(--primary-50);
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    background: var(--accent-600);
    color: white;
}

/* Mobile adjust for Back to Top (avoid sticky bar) */
@media (max-width: 768px) {
    #back-to-top {
        bottom: 150px;
        /* Moved up further for mobile stack */
        right: 20px;
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

/* Google Reviews Section */
.review-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--primary-50);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.review-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    gap: 1rem;
}

.reviewer-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--accent-100);
    color: var(--accent-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1rem;
}

.reviewer-info h3 {
    font-size: 0.95rem;
    margin-bottom: 0.2rem;
    color: var(--primary-900);
}

.review-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.stars {
    color: #fbbf24;
    margin-bottom: 0.5rem;
    letter-spacing: 2px;
}

.google-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: white;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    box-shadow: var(--shadow-sm);
    border: 1px solid #e2e8f0;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 2rem;
}

.google-G {
    width: 20px;
    height: 20px;
}