/* ========================================
   1. CORE VARIABLES & RESET
   ======================================== */
:root {
    /* Brand Colors - Indigo & Graphite Luxury */
    --primary: #312E81;
    /* Deep Indigo - Authority & Trust */
    --secondary: #374151;
    /* Graphite - Modern & Solid */
    --accent: #4F46E5;
    /* Vibrant Indigo - Action & Focus */

    /* Neutrals */
    --white: #FFFFFF;
    --gray-50: #F9F9F9;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    /* Typography - Montserrat for Geometric/Modern look */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Poppins', sans-serif;

    /* Spacing System */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --section-gap: 8rem;
    /* Large gaps for luxury feel */

    /* Shadows & Radius */
    --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);
    --radius-sm: 0.125rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    --z-sticky: 100000;
}

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

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ========================================
   Layout
   ======================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-6);
    }
}

.section {
    padding: var(--spacing-16) 0;
}

@media (min-width: 768px) {
    .section {
        padding: var(--spacing-20) 0;
    }
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: var(--shadow-sm);
    z-index: var(--z-sticky);
    transition: var(--transition-smooth);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar.scrolled {
    background: #ffffff;
    /* Solid white to stay on top and readable */
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-2) 0;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary);
}

.logo i {
    font-size: var(--font-size-3xl);
    /* increased for larger logo */
    filter: drop-shadow(0 2px 4px rgba(0, 102, 204, 0.3));
}

.logo strong {
    color: var(--gray-900);
}

/* Profile Image */
.profile-image {
    width: 150px;
    height: 150px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--primary-light);
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Banner and Accordion Styles */
.about-banner {
    background: var(--primary-light);
    color: var(--gray-900);
    padding: var(--spacing-8) var(--spacing-4);
    text-align: center;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-8);
}

.about-banner h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
}

.accordion {
    margin-bottom: var(--spacing-12);
}

.accordion-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-4);
}

.accordion-header {
    padding: var(--spacing-6) var(--spacing-8);
    background: var(--gray-50);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--transition-base);
}

.accordion-header:hover {
    background: var(--gray-100);
}

.accordion-header h3 {
    margin: 0;
    color: var(--primary);
    font-size: var(--font-size-xl);
}

.accordion-header i {
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-header i {
    transform: rotate(180deg);
}

.accordion-content {
    display: none;
    padding: var(--spacing-8);
    border-top: 1px solid var(--gray-200);
    animation: slideDown 0.3s ease-out;
}

.accordion-item.active .accordion-content {
    display: block;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-menu {
    display: none;
    gap: var(--spacing-8);
}

@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }
}

.nav-menu a {
    font-weight: 500;
    color: var(--gray-700);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
    background: var(--gray-100);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.mobile-toggle {
    display: block;
    font-size: var(--font-size-xl);
    color: var(--gray-700);
    padding: var(--spacing-2);
}

@media (min-width: 768px) {
    .mobile-toggle {
        display: none;
    }
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-800);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

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

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

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

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

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background: var(--white);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-6);
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--spacing-4);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-8);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-10);
}

.social-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-6);
}

.stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.stat i {
    font-size: var(--font-size-2xl);
    color: var(--primary);
}

.stat strong {
    display: block;
    font-size: var(--font-size-xl);
    color: var(--gray-900);
}

.stat span {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

/* Hero Image */
.profile-image {
    width: 200px;
    height: 200px;
    margin: 0 auto;
    border-radius: 50%;
    overflow: hidden;
}

.image-card {
    position: relative;
    border-radius: var(--radius-2xl);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-xl);
}

.doctor-placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.doctor-placeholder i {
    font-size: 6rem;
    color: rgba(255, 255, 255, 0.5);
}

.floating-badge {
    position: absolute;
    background: var(--white);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-weight: 600;
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    animation: float 3s ease-in-out infinite;
}

.floating-badge i {
    color: var(--primary);
}

.badge-1 {
    top: 10%;
    right: -5%;
    animation-delay: 0s;
}

.badge-2 {
    bottom: 30%;
    left: -5%;
    animation-delay: 1s;
}

.badge-3 {
    bottom: 10%;
    right: 10%;
    animation-delay: 2s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

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

/* Hero Background */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
    pointer-events: none;
}

.heartbeat-line {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
}

/* ========================================
   Sections
   ======================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-12);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--spacing-3);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
}

.section-footer {
    text-align: center;
    margin-top: var(--spacing-12);
}

/* ========================================
   Video Grid
   ======================================== */

.video-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

@media (min-width: 640px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .video-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.video-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.video-thumbnail {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--gray-200);
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-2xl);
    transition: var(--transition-base);
}

.video-card:hover .video-play-icon {
    transform: translate(-50%, -50%) scale(1.1);
}

.video-info {
    padding: var(--spacing-5);
}

.video-category {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    background: var(--primary-light);
    color: var(--white);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-3);
}

.video-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
    line-height: 1.4;
}

.video-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}

/* Skeleton Loading */
.skeleton {
    pointer-events: none;
}

.skeleton-box,
.skeleton-text {
    background: linear-gradient(90deg,
            var(--gray-200) 25%,
            var(--gray-300) 50%,
            var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
}

.skeleton-box {
    width: 100%;
    height: 100%;
}

.skeleton-text {
    height: 20px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-2);
}

.skeleton-text.short {
    width: 60%;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* ========================================
   Topics Grid
   ======================================== */

.topics-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

@media (min-width: 640px) {
    .topics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .topics-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.topic-card {
    background: var(--white);
    padding: var(--spacing-6);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.topic-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-4);
    color: var(--white);
    font-size: var(--font-size-2xl);
}

.topic-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
}

.topic-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin-bottom: var(--spacing-4);
}

.topic-link {
    color: var(--primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
}

.topic-link:hover {
    gap: var(--spacing-3);
}

/* ========================================
   CTA Section
   ======================================== */

.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.cta-card {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

@media (min-width: 768px) {
    .cta-card {
        grid-template-columns: 2fr 1fr;
    }
}

.cta-content h2 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--spacing-4);
}

.cta-content p {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-8);
}

.social-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.social-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-6);
    background: var(--white);
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: all var(--transition-base);
}

.social-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.social-btn.youtube {
    color: #FF0000;
}

.social-btn.instagram {
    color: #E4405F;
}

.social-btn.whatsapp {
    color: #25D366;
}

.social-btn i {
    font-size: var(--font-size-2xl);
}

.cta-visual {
    text-align: center;
}

.phone-mockup {
    width: 200px;
    height: 400px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.phone-mockup i {
    font-size: 6rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
}

@media (min-width: 640px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-col h4 {
    color: var(--white);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
}

.footer-col p {
    margin-bottom: var(--spacing-4);
    line-height: 1.8;
}

.footer-col ul li {
    margin-bottom: var(--spacing-3);
}

.footer-col ul li a:hover {
    color: var(--primary-light);
}

.footer-social {
    display: flex;
    gap: var(--spacing-4);
    margin-top: var(--spacing-4);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-6);
    text-align: center;
    font-size: var(--font-size-sm);
}

.footer-bottom p {
    margin-bottom: var(--spacing-2);
}

.disclaimer {
    color: var(--gray-500);
    font-style: italic;
}

.disclaimer i {
    margin-right: var(--spacing-2);
}

/* ========================================
   New Sections: Treatments & Academic
   ======================================== */

.treatments-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

@media (min-width: 640px) {
    .treatments-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .treatments-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.treatment-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

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

.treatment-icon {
    width: 50px;
    height: 50px;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-4);
    transition: var(--transition-base);
}

.treatment-card:hover .treatment-icon {
    background: var(--primary);
    color: var(--white);
}

.treatment-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-2);
}

.treatment-card p {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    margin-bottom: var(--spacing-4);
    line-height: 1.6;
}

.treatment-link {
    font-weight: 600;
    color: var(--primary);
    font-size: var(--font-size-sm);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-top: auto;
}

.treatment-link:hover {
    gap: var(--spacing-3);
}

/* ========================================
   Global Vision Section
   ======================================== */

.global-section {
    position: relative;
    background: linear-gradient(135deg, var(--gray-900) 0%, #1e3a8a 100%);
    color: var(--white);
    overflow: hidden;
}

.global-map-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiB2aWV3Qm94PSIwIDAgMTAwIDEwMCI+PHBhdGggZD0iTTUwLDBhNTAuMSw1MC4xLDAsMCwwLDAsMTAwLjJBNTAuMSw1MC4xLDAsMCwwLDUwLDB6bS4yLDg4LjhhLTM4LjcsMzguNywwLDEsMSwzOC43LTM4LjdBMzguOCwzOC44LDAsMCwxLDUwLjIsODguOHoiIGZpbGw9IiNmZmYiIG9wYWNpdHk9IjAuMDUiLz48L3N2Zz4=');
    background-size: cover;
    opacity: 0.1;
    pointer-events: none;
}

.global-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    position: relative;
    z-index: 2;
}

@media (min-width: 768px) {
    .global-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.global-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.global-card h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-4);
    font-weight: 800;
}

.global-stat {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    color: var(--secondary);
    margin-bottom: var(--spacing-2);
}

.global-desc {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-lg);
}

/* ========================================
   Testimonials Section
   ======================================== */

.testimonials-slider {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
}

@media (min-width: 768px) {
    .testimonials-slider {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    background: var(--white);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    position: relative;
}

.testimonial-quote {
    color: var(--primary-light);
    font-size: var(--font-size-4xl);
    font-family: serif;
    line-height: 1;
    margin-bottom: var(--spacing-4);
}

.testimonial-text {
    font-style: italic;
    color: var(--gray-700);
    margin-bottom: var(--spacing-6);
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.author-avatar {
    width: 40px;
    height: 40px;
    background: var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
}

.author-info strong {
    display: block;
    color: var(--gray-900);
    font-size: var(--font-size-sm);
}

.author-info span {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

/* ========================================
   Floating Action Button
   ======================================== */

.fab-container {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    z-index: var(--z-fixed);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.fab {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-2xl);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-base);
}

.fab:hover {
    transform: scale(1.1);
}

.fab-whatsapp {
    background: #25D366;
}

.fab-appointment {
    background: var(--primary);
}

/* ========================================
   Rich Footer
   ======================================== */

.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-12);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand p {
    margin-top: var(--spacing-4);
    line-height: 1.6;
    color: var(--gray-400);
}

.footer-col h4 {
    color: var(--white);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-6);
    font-weight: 700;
}

.footer-links li {
    margin-bottom: var(--spacing-3);
}

.footer-links a {
    color: var(--gray-400);
    transition: color var(--transition-base);
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
    color: var(--gray-400);
}

.footer-contact i {
    color: var(--secondary);
    margin-top: 4px;
}

.footer-bottom {
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--gray-800);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--gray-500);
}


/* ========================================
   Dropdown Menu Styles
   ======================================== */
.nav-item {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    min-width: 220px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: var(--spacing-2) 0;
    z-index: var(--z-dropdown);
    animation: fadeUp 0.2s ease-out forwards;
    border-top: 3px solid var(--primary);
}

.nav-item:hover .dropdown-content {
    display: block;
}

.dropdown-content li {
    display: block;
}

.dropdown-content a {
    display: block;
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--gray-700);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.dropdown-content a:hover {
    background-color: var(--gray-50);
    color: var(--primary);
    padding-left: var(--spacing-6);
    /* Slide effect */
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Image-Based Treatment Cards
   ======================================== */
.treatment-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
    transition: transform var(--transition-base);
}

.treatment-card:hover .treatment-card-image {
    transform: scale(1.05);
}

/* ========================================
   Google Reviews Section
   ======================================== */
.google-reviews-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-8);
}

.google-logo-text {
    font-family: 'Product Sans', sans-serif;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--gray-700);
}

.review-stars {
    color: #F4B400;
    /* Google Star Color */
    font-size: var(--font-size-lg);
}

.review-card {
    background: var(--white);
    padding: var(--spacing-6);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.review-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.review-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary);
    /* Fallback */
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: var(--font-size-lg);
}

.review-meta strong {
    display: block;
    color: var(--gray-900);
    font-size: var(--font-size-sm);
}

.review-meta span {
    font-size: var(--font-size-xs);
    color: var(--gray-500);
}

.review-verified {
    margin-left: auto;
    color: #4285F4;
    /* Google Blue */
}


/* Google Reviews Section */
.google-reviews-wrapper {
    background-color: #f8f9fa;
    padding: 40px 0;
    margin-bottom: 20px;
    border-bottom: 1px solid #e9ecef;
}

.google-reviews-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.google-brand-box {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.google-logo-img {
    height: 30px;
    margin-bottom: 10px;
}

.google-score-box {
    background: white;
    padding: 15px 30px;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 15px;
}

.score-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #333;
    line-height: 1;
}

.score-details {
    text-align: left;
}

.stars {
    color: #fbc02d;
    font-size: 1.2rem;
    letter-spacing: 2px;
}

.review-text {
    font-size: 1.1rem;
    font-style: italic;
    color: #555;
    max-width: 500px;
    line-height: 1.6;
}

.review-author {
    display: block;
    margin-top: 10px;
    font-weight: 700;
    color: #333;
    font-style: normal;
}

/* ========================================
   Luxury Components
   ======================================== */

/* 1. Sticky Transparent-to-Solid Header */
.navbar {
    background: transparent;
    /* Start transparent */
    box-shadow: none;
    padding: var(--spacing-6) 0;
    transition: all 0.4s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    padding: var(--spacing-3) 0;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
}

.navbar.scrolled .nav-menu a {
    color: var(--primary);
}

/* 2. Hero Masked Text */
.hero-section {
    position: relative;
    padding: 180px 0 120px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    overflow: hidden;
}

.hero-text-mask {
    font-size: 5rem;
    font-weight: 900;
    line-height: 1;
    text-transform: uppercase;
    /* Luxury Gradient Fallback */
    background: linear-gradient(135deg, #333 0%, #666 50%, #333 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: var(--spacing-8);
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-8);
    font-weight: 300;
}

/* 3. Staggered Grid (About) */
.staggered-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-4);
    align-items: center;
}

.staggered-col-images {
    grid-column: span 6;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    /* Asymmetric */
    gap: var(--spacing-4);
    position: relative;
}

.staggered-col-text {
    grid-column: span 6;
    padding-left: var(--spacing-12);
}

.img-tall {
    grid-row: span 2;
    height: 100%;
    object-fit: cover;
    border-radius: var(--spacing-2);
}

.img-wide {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: var(--spacing-2);
}

/* 4. Innovation Section - Modern Luxury Update */
.innovation-section {
    background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
    color: var(--gray-800);
    padding: var(--section-gap) 0;
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
    position: relative;
}

.innovation-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: var(--spacing-20);
    align-items: center;
}

.innovation-text {
    border-left: 5px solid var(--secondary);
    padding-left: var(--spacing-12);
}

.innovation-text h5 {
    color: var(--secondary);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
}

.innovation-text h2 {
    color: var(--primary);
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-8);
    letter-spacing: -1px;
}

.innovation-text p {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: var(--spacing-8);
}

.innovation-text ul li {
    font-weight: 500;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.innovation-image-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.patent-image {
    max-width: 320px;
    /* Reduced as requested */
    width: 100%;
    height: auto;
    background: white;
    padding: var(--spacing-4);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-lg);
    transition: transform 0.4s ease;
}

.patent-image:hover {
    transform: translateY(-10px);
}

.patent-caption {
    text-align: right;
    width: 320px;
    color: var(--gray-400);
    font-size: 0.75rem;
    margin-top: var(--spacing-4);
    font-style: italic;
}

/* Mobile Responsiveness */
@media (max-width: 992px) {

    .staggered-grid,
    .innovation-grid {
        grid-template-columns: 1fr;
    }

    .staggered-col-images,
    .staggered-col-text {
        grid-column: span 12;
    }

    .staggered-col-text {
        padding-left: 0;
        margin-top: var(--spacing-8);
    }

    .hero-text-mask {
        font-size: 3rem;
    }
}