/* ===================================
   Modern CSS for Swikriti Children's Clinic
   Features: Animations, Responsive Design, Accessibility
   =================================== */

/* === CSS Custom Properties (Variables) === */
:root {
    /* Colors */
    --primary-color: #4A148C;
    --secondary-color: #7B1FA2;
    --accent-color: #9C27B0;
    --light-purple: #E1BEE7;
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --medium-gray: #E0E0E0;
    --dark-gray: #424242;
    --text-dark: #212121;
    --text-light: #757575;
    --success: #4CAF50;
    --info: #2196F3;

    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 50%;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-tooltip: 1050;
}

/* === Reset & Base Styles === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
    margin: 0;
    padding: 0;
    border: none;
}

/* === Accessibility === */
.skip-link {
    position: absolute;
    top: -100px;
    left: -9999px;
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    z-index: 100;
    opacity: 0;
}

.skip-link:focus {
    top: 0;
    left: 0;
    opacity: 1;
}

/* Focus styles for accessibility */
a:focus, button:focus, input:focus, textarea:focus, select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--secondary-color);
}

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

ul {
    list-style: none;
}

/* === Container === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

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

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

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

/* === Animations === */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Intersection Observer Animation Classes */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.fade-in-right {
    animation: fadeInRight 0.6s ease-out;
}

/* === Top Bar === */
.top-bar {
    background-color: var(--white);
    padding: var(--spacing-sm) 0;
    font-size: 0.875rem;
    border-bottom: 2px solid var(--light-purple);
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-dark);
}

.top-bar-item svg {
    color: var(--primary-color);
    flex-shrink: 0;
}

.top-bar-item span {
    color: var(--text-light);
    white-space: nowrap;
}

.top-bar-social {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-left: auto;
}

.top-bar-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-dark);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.top-bar-link:hover {
    color: var(--primary-color);
    background-color: var(--light-purple);
}

/* === Navigation === */
.navbar {
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
}

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

.logo img {
    height: 50px;
    width: auto;
    transition: transform var(--transition-base);
}

.logo:hover img {
    transform: scale(1.05);
}

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

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: all var(--transition-base);
    transform: translateX(-50%);
}

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

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* Dropdown */
.has-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    min-width: 250px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--text-dark);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.dropdown-menu a:hover {
    background-color: var(--light-purple);
    color: var(--primary-color);
    padding-left: var(--spacing-md);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* === Hero Section === */
.hero {
    background: linear-gradient(135deg, #E1BEE7 0%, #F3E5F5 100%);
    padding: var(--spacing-2xl) 0;
    overflow: hidden;
}

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

.hero-text {
    animation: fadeInLeft 0.8s ease-out;
}

.hero-title {
    font-size: 2.75rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    animation: fadeInRight 0.8s ease-out;
    text-align: center;
}

.hero-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-slow);
}

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

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
    animation: fadeInUp 1s ease-out 0.3s both;
}

.stat-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 500;
}

/* === About Section === */
.about {
    padding: var(--spacing-2xl) 0;
    background-color: var(--white);
}

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

.about-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.about-text {
    padding: var(--spacing-md);
}

.section-title {
    color: var(--primary-color);
    font-size: 2.25rem;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    color: var(--text-dark);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.services-list {
    padding-left: var(--spacing-md);
}

.services-list li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.services-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* === Services Section === */
.services {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(to bottom, #F3E5F5 0%, #FFFFFF 100%);
}

.section-header {
    margin-bottom: var(--spacing-xl);
}

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

.section-description {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
}

.section-subtext {
    color: var(--text-light);
    max-width: 900px;
    margin: 0 auto;
}

.services-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-image {
    height: 250px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-content {
    padding: var(--spacing-lg);
}

.service-content h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

.service-content p {
    color: var(--text-light);
    line-height: 1.7;
}

/* === Care Section === */
.care {
    padding: var(--spacing-2xl) 0;
    background-color: var(--white);
}

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

.care-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.care-text {
    padding: var(--spacing-md);
}

.care-highlight {
    background-color: var(--light-purple);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
    border-left: 4px solid var(--primary-color);
}

.care-highlight p {
    color: var(--text-dark);
    font-weight: 500;
    margin: 0;
}

/* === Team Section === */
.team {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(to bottom, #FFFFFF 0%, #F3E5F5 100%);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.team-card {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    text-align: center;
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.team-image {
    height: 350px;
    overflow: hidden;
    background-color: var(--light-gray);
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.team-content {
    padding: var(--spacing-lg);
}

.team-content h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.team-role {
    color: var(--text-dark);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.team-qualification {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* === App Section === */
.app-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(180deg, #FFFFFF 0%, #F3E5F5 50%, #E1BEE7 100%);
    position: relative;
    overflow: hidden;
}

.app-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(156, 39, 176, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.app-header {
    margin-bottom: var(--spacing-2xl);
}

.app-header .section-title {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.app-header .section-description {
    color: var(--text-light);
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto;
}

.app-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.app-feature-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.app-feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.feature-icon svg {
    color: var(--white);
}

.app-feature-card h3 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.app-feature-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
}

.app-download-cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.app-download-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.app-download-cta::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-icon {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.cta-icon svg {
    color: var(--white);
}

.app-download-cta h3 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.app-download-cta > p {
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.app-store-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.store-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--white);
    color: var(--text-dark);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    min-width: 200px;
}

.store-button:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
}

.store-button svg {
    flex-shrink: 0;
}

.store-button.google-play svg {
    color: #4285F4;
}

.store-button.app-store svg {
    color: var(--text-dark);
}

.store-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.store-label {
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 400;
}

.store-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
}

.download-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    margin: 0;
    position: relative;
    z-index: 1;
}

/* === FAQ Section === */
.faq {
    padding: var(--spacing-2xl) 0;
    background-color: var(--white);
}

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

.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background-color: var(--light-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background-color: #5E35B1;
    color: var(--white);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    text-align: left;
    transition: all var(--transition-base);
}

.faq-question:hover {
    background-color: var(--primary-color);
}

.faq-icon {
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: var(--spacing-md);
    color: var(--text-dark);
}

/* Reviews */
.reviews-slider {
    position: relative;
    overflow: hidden;
}

.review-card {
    background-color: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    display: none;
}

.review-card:first-child {
    display: block;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.review-author {
    color: var(--white);
    font-size: 1.25rem;
}

.review-stars {
    color: #FFD700;
    font-size: 1.25rem;
}

.review-text {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.slider-btn {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

/* === Footer === */
.footer {
    background: linear-gradient(180deg, #F9F9F9 0%, #FFFFFF 100%);
    position: relative;
}

.footer-main {
    padding: var(--spacing-2xl) 0;
    border-bottom: 1px solid var(--medium-gray);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

/* Footer About Section */
.footer-about {
    padding-right: var(--spacing-lg);
}

.footer-logo {
    margin-bottom: var(--spacing-md);
    display: block;
}

.footer-description {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.social-link:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* Contact Cards */
.footer-contact-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.contact-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--medium-gray);
    display: flex;
    gap: var(--spacing-md);
    transition: all var(--transition-base);
}

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

.contact-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    color: var(--white);
}

.contact-details {
    flex: 1;
}

.contact-details h4 {
    color: var(--primary-color);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.contact-details p {
    color: var(--text-dark);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

.contact-details strong {
    color: var(--primary-color);
}

.contact-details a {
    color: var(--text-dark);
    transition: color var(--transition-base);
}

.contact-details a:hover {
    color: var(--primary-color);
}

.contact-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 500;
    margin-top: var(--spacing-xs);
    transition: all var(--transition-base);
}

.contact-link:hover {
    gap: var(--spacing-xs);
}

.contact-note {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-light);
    margin-top: var(--spacing-xs);
}

/* Footer Bottom */
.footer-bottom {
    background-color: var(--white);
    padding: var(--spacing-md) 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--text-light);
    margin: 0;
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-bottom-links a {
    color: var(--text-light);
    font-size: 0.875rem;
    transition: color var(--transition-base);
}

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

/* === Floating WhatsApp Button === */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
    animation: pulse 2s ease-in-out infinite;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.5);
}

/* === Back to Top Button === */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}

/* === Responsive Design === */
@media (max-width: 1024px) {
    .hero-content,
    .about-content,
    .care-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

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

    .app-features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .stats {
        grid-template-columns: repeat(3, 1fr);
    }

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

@media (max-width: 768px) {
    :root {
        --font-size-base: 15px;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }

    .top-bar {
        padding: var(--spacing-xs) 0;
        font-size: 0.75rem;
    }

    .top-bar-content {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-xs);
    }

    .top-bar-item {
        flex-direction: column;
        text-align: center;
        gap: 4px;
    }

    .top-bar-item span {
        font-size: 0.75rem;
    }

    .top-bar-social {
        margin-left: 0;
        gap: var(--spacing-sm);
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        padding: 0;
        box-shadow: var(--shadow-lg);
        gap: 0;
        z-index: 1000;
        max-height: calc(100vh - 100%);
        overflow-y: auto;
    }

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

    .nav-menu > li {
        border-bottom: 1px solid var(--light-gray);
        text-align: left;
    }

    .nav-menu > li:last-child {
        border-bottom: none;
    }

    .nav-link {
        padding: var(--spacing-md) var(--spacing-lg);
        display: block;
        width: 100%;
        text-align: left !important;
        font-size: 1rem;
        color: var(--text-dark);
        font-weight: 500;
        border-radius: 0;
        margin: 0;
        justify-content: flex-start;
        align-items: center;
    }

    .nav-link::after {
        display: none;
    }

    .nav-link:hover,
    .nav-link.active {
        background-color: rgba(74, 20, 140, 0.05);
        color: var(--primary-color);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .has-dropdown .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0;
        padding-left: var(--spacing-lg);
        background-color: var(--bg-light);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .has-dropdown.active .dropdown-menu {
        max-height: 500px;
    }

    .has-dropdown .dropdown-menu li a {
        padding: var(--spacing-sm) var(--spacing-md);
        display: block;
        color: var(--text-dark);
        font-size: 0.9375rem;
    }

    .has-dropdown .dropdown-menu li a:hover {
        background-color: rgba(74, 20, 140, 0.05);
        color: var(--primary-color);
    }

    .hero-title {
        font-size: 2rem;
    }

    .services-cards,
    .team-grid {
        grid-template-columns: 1fr;
    }

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

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

    .app-store-buttons {
        flex-direction: column;
        width: 100%;
    }

    .store-button {
        width: 100%;
        justify-content: flex-start;
    }

    .app-header .section-title {
        font-size: 2rem;
    }

    .app-download-cta h3 {
        font-size: 1.5rem;
    }

    .cta-icon {
        width: 80px;
        height: 80px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-contact-cards {
        grid-template-columns: 1fr;
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .footer-bottom-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero,
    .about,
    .services,
    .care,
    .team,
    .app-section,
    .faq {
        padding: var(--spacing-xl) 0;
    }

    .stat-number {
        font-size: 2rem;
    }

    .app-buttons {
        flex-direction: column;
    }

    .floating-whatsapp {
        width: 50px;
        height: 50px;
        bottom: 20px;
        left: 20px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
    }
}

/* === Performance Optimizations === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* === Print Styles === */
@media print {
    .navbar,
    .floating-whatsapp,
    .back-to-top,
    .mobile-menu-toggle,
    .top-bar {
        display: none;
    }

    body {
        color: #000;
    }

    a {
        text-decoration: underline;
    }
}