/* ============================================
   CSS Variables & Reset
   ============================================ */
:root {
    /* Brand Colors */
    --primary: #17807E;
    --primary-dark: #0d5d5b;
    --primary-light: #e0f2f1;
    --secondary: #FF6F00;
    --secondary-light: #fff3e0;
    --danger: #D32F2F;
    --danger-light: #ffebee;
    --success: #2E7D32;
    --success-light: #e8f5e9;

    /* Neutral Colors */
    --white: #ffffff;
    --black: #000000;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #eeeeee;
    --gray-300: #e0e0e0;
    --gray-400: #bdbdbd;
    --gray-500: #9e9e9e;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    --gray-900: #212121;

    /* Typography */
    --font-primary: 'Hind Siliguri', 'Poppins', sans-serif;
    --font-secondary: 'Poppins', sans-serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 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);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1rem;
}

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

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

/* ============================================
   Utility Classes
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.bg-light {
    background-color: var(--gray-50);
}

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

.bg-secondary {
    background-color: var(--secondary);
}

.bg-danger {
    background-color: var(--danger);
}

.bg-success {
    background-color: var(--success);
}

.text-primary {
    color: var(--primary);
}

.text-secondary {
    color: var(--secondary);
}

.text-danger {
    color: var(--danger);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

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

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

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

.btn-secondary:hover {
    background-color: #e65100;
}

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

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

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

.btn-light:hover {
    background-color: var(--gray-100);
}

/* ============================================
   App Banner
   ============================================ */
.app-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-sm) 0;
    position: relative;
    z-index: 1001;
}

.app-banner-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.app-banner-content i {
    font-size: 1.25rem;
}

.app-banner-content span {
    font-size: 0.875rem;
}

.banner-close {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--white);
    opacity: 0.8;
    font-size: 1rem;
    padding: var(--spacing-xs);
}

.banner-close:hover {
    opacity: 1;
}

.app-banner.hidden {
    display: none;
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

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

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

.logo img {
    height: 45px;
    width: auto;
}

.logo span {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--gray-700);
    padding: var(--spacing-sm);
}

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

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-700);
    padding: var(--spacing-sm) 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width var(--transition-fast);
}

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

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

.nav-btn {
    margin-left: var(--spacing-sm);
}

/* Mobile Navigation */
@media (max-width: 992px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-3xl) var(--spacing-xl);
        gap: var(--spacing-md);
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-normal);
        z-index: 1002;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 1rem;
        width: 100%;
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid var(--gray-200);
    }

    .nav-btn {
        margin-left: 0;
        margin-top: var(--spacing-md);
        width: 100%;
    }

    .nav-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        z-index: 1001;
    }

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

/* ============================================
   Hero Slider
   ============================================ */
.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-slider {
    width: 100%;
    aspect-ratio: 16 / 6;
    max-height: 500px;
}

.hero-slider .swiper-slide {
    position: relative;
    overflow: hidden;
}

.hero-slider .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-slider .swiper-button-next,
.hero-slider .swiper-button-prev {
    color: var(--white);
    background-color: rgba(0, 0, 0, 0.3);
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    transition: background-color var(--transition-fast);
}

.hero-slider .swiper-button-next:hover,
.hero-slider .swiper-button-prev:hover {
    background-color: var(--primary);
}

.hero-slider .swiper-button-next::after,
.hero-slider .swiper-button-prev::after {
    font-size: 1.25rem;
}

.hero-slider .swiper-pagination-bullet {
    background-color: var(--white);
    opacity: 0.6;
    width: 10px;
    height: 10px;
}

.hero-slider .swiper-pagination-bullet-active {
    background-color: var(--primary);
    opacity: 1;
}

@media (max-width: 768px) {
    .hero-slider {
        aspect-ratio: 16 / 9;
    }

    .hero-slider .swiper-button-next,
    .hero-slider .swiper-button-prev {
        display: none;
    }
}

/* ============================================
   Quick Actions
   ============================================ */
.quick-actions {
    padding: var(--spacing-xl) 0;
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

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

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

.quick-action-card .icon-wrapper {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: var(--white);
    font-size: 1.75rem;
}

.quick-action-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--spacing-xs);
}

.quick-action-card p {
    font-size: 0.875rem;
    color: var(--gray-600);
}

@media (max-width: 992px) {
    .quick-actions {
        margin-top: 0;
    }

    .quick-actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .quick-actions-grid {
        grid-template-columns: 1fr;
    }

    .quick-action-card {
        display: flex;
        align-items: center;
        text-align: left;
        gap: var(--spacing-md);
        padding: var(--spacing-lg);
    }

    .quick-action-card .icon-wrapper {
        width: 60px;
        height: 60px;
        margin: 0;
        flex-shrink: 0;
    }
}

/* ============================================
   Section Styles
   ============================================ */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
}

.section-header .btn {
    position: absolute;
    right: 0;
    top: 0;
}

@media (max-width: 768px) {
    .section-header {
        padding-bottom: var(--spacing-lg);
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .section-header .btn {
        position: static;
        margin-top: var(--spacing-md);
    }
}

/* ============================================
   Departments Grid
   ============================================ */
.departments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.department-card {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.department-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.department-card .icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--white) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: var(--primary);
    font-size: 1.5rem;
}

.department-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
}

/* ============================================
   Doctors Grid
   ============================================ */
.doctors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.doctor-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

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

.doctor-card .image-wrapper {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background-color: var(--gray-100);
}

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

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

.doctor-card .experience-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background-color: var(--secondary);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

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

.doctor-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.doctor-card .department {
    font-size: 0.875rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.doctor-card .qualification {
    font-size: 0.8125rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.doctor-card .footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
}

.doctor-card .fee {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
}

.doctor-card .btn-appointment {
    font-size: 0.8125rem;
    padding: var(--spacing-sm) var(--spacing-md);
}

/* ============================================
   Offers Grid
   ============================================ */
.offers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.offer-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

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

.offer-card .image-wrapper {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background-color: var(--gray-100);
}

.offer-card .image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.offer-card .discount-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background-color: var(--danger);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
}

.offer-card .validity-badge {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

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

.offer-card .offer-type {
    display: inline-block;
    background-color: var(--primary-light);
    color: var(--primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.offer-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.offer-card .summary {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.offer-card .price-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.offer-card .original-price {
    font-size: 0.875rem;
    color: var(--gray-500);
    text-decoration: line-through;
}

.offer-card .discounted-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

/* ============================================
   News Grid
   ============================================ */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.news-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

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

.news-card .image-wrapper {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-color: var(--gray-100);
}

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

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

.news-card .category-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background-color: var(--primary);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

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

.news-card .meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-bottom: var(--spacing-sm);
}

.news-card .meta i {
    margin-right: var(--spacing-xs);
}

.news-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card .excerpt {
    font-size: 0.875rem;
    color: var(--gray-600);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================
   App CTA Section
   ============================================ */
.app-cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    overflow: hidden;
}

.app-cta-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.app-cta-text h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.app-cta-text > p {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

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

.app-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
}

.app-features li i {
    color: var(--secondary);
}

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

.app-download-btn img {
    height: 50px;
    width: auto;
}

.app-cta-image {
    text-align: center;
}

.app-cta-image img {
    max-height: 400px;
    margin: 0 auto;
}

@media (max-width: 992px) {
    .app-cta-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .app-features {
        display: inline-block;
        text-align: left;
    }

    .app-buttons {
        justify-content: center;
    }

    .app-cta-image {
        order: -1;
    }

    .app-cta-image img {
        max-height: 300px;
    }
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    height: 40px;
    width: auto;
}

.footer-logo span {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--white);
}

.footer-about p {
    font-size: 0.875rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background-color: var(--gray-800);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: all var(--transition-fast);
}

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

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

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

.footer-links ul li a {
    font-size: 0.875rem;
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

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

.footer-contact ul li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
}

.footer-contact ul li i {
    color: var(--primary);
    margin-top: 3px;
}

.footer-contact ul li a {
    color: var(--gray-400);
}

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

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-800);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

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

.footer-bottom a:hover {
    text-decoration: underline;
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   Modal
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
}

.modal-content {
    position: relative;
    background-color: var(--white);
    border-radius: var(--radius-xl);
    max-width: 450px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

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

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background-color: var(--gray-100);
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all var(--transition-fast);
    z-index: 1;
}

.modal-close:hover {
    background-color: var(--gray-200);
    color: var(--gray-800);
}

.modal-body {
    padding: var(--spacing-2xl);
    text-align: center;
}

.modal-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: var(--white);
    font-size: 2rem;
}

.modal-body h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.modal-body > p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
}

.modal-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.modal-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.modal-feature i {
    font-size: 1.5rem;
    color: var(--primary);
}

.modal-feature span {
    font-size: 0.8125rem;
    color: var(--gray-600);
}

.modal-note {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-top: var(--spacing-md);
}

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 999;
}

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

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
}

/* ============================================
   Skeleton Loading
   ============================================ */
.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-card {
    pointer-events: none;
}

.skeleton-image {
    width: 100%;
    aspect-ratio: 1;
}

.skeleton-slide .skeleton-image {
    height: 100%;
    aspect-ratio: auto;
}

.skeleton-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    margin: 0 auto var(--spacing-md);
}

.skeleton-text {
    height: 20px;
    width: 80%;
    margin: 0 auto var(--spacing-sm);
}

.skeleton-text-sm {
    height: 14px;
    width: 60%;
    margin: 0 auto;
}

/* ============================================
   Page-specific Styles
   ============================================ */

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    font-size: 1.125rem;
    opacity: 0.9;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    font-size: 0.875rem;
}

.breadcrumb a {
    color: var(--white);
    opacity: 0.8;
}

.breadcrumb a:hover {
    opacity: 1;
}

.breadcrumb span {
    opacity: 0.6;
}

/* Filter Section */
.filter-section {
    background-color: var(--white);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 70px;
    z-index: 100;
}

.filter-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
}

.filter-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    background-color: var(--white);
    min-width: 180px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary);
}

.search-input {
    flex: 1;
    min-width: 250px;
    position: relative;
}

.search-input input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-left: 40px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
}

.search-input input:focus {
    outline: none;
    border-color: var(--primary);
}

.search-input i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl);
}

.empty-state i {
    font-size: 4rem;
    color: var(--gray-300);
    margin-bottom: var(--spacing-lg);
}

.empty-state h3 {
    font-size: 1.25rem;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--gray-500);
}

/* Loading Spinner */
.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   Responsive Utilities
   ============================================ */
@media (max-width: 576px) {
    :root {
        --container-padding: 1rem;
    }

    .section {
        padding: var(--spacing-2xl) 0;
    }
}