/* ============================================
   EsfahanCenter Modern UI - v2.0
   SEO-Optimized, Mobile-First, High Performance
   ============================================ */

:root {
    --c-primary: #e89a6a;
    --c-primary-dark: #d17d4b;
    --c-primary-light: #ffd2a0;
    --c-secondary: #1d2b44;
    --c-accent: #ffd2a0;
    --c-success: #10B981;
    --c-warning: #F59E0B;
    --c-danger: #EF4444;
    --c-bg: #F5F1EA;
    --c-bg-alt: #FAF6EF;
    --c-text: #1d2b44;
    --c-text-muted: #6b7280;
    --c-border: #e8e0d5;
    --font-main: 'Vazirmatn', 'IRANSans', 'Tahoma', sans-serif;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    --shadow-xs: 0 1px 2px rgba(29, 43, 68, 0.04);
    --shadow-sm: 0 2px 8px rgba(29, 43, 68, 0.06);
    --shadow-md: 0 8px 24px rgba(29, 43, 68, 0.10);
    --shadow-lg: 0 16px 48px rgba(29, 43, 68, 0.15);
    --shadow-primary: 0 8px 24px rgba(232, 154, 106, 0.30);
    --container: 1280px;
    --header-height: 76px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--c-text);
    background: var(--c-bg);
    direction: rtl;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* Fonts */
@font-face { font-family: 'Vazirmatn'; src: url('/Themes/Modern/fonts/Vazirmatn-Regular.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Vazirmatn'; src: url('/Themes/Modern/fonts/Vazirmatn-Medium.woff2') format('woff2'); font-weight: 500; font-display: swap; }
@font-face { font-family: 'Vazirmatn'; src: url('/Themes/Modern/fonts/Vazirmatn-Bold.woff2') format('woff2'); font-weight: 700; font-display: swap; }

/* Container */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100px;
    right: 0;
    background: var(--c-primary);
    color: white;
    padding: 12px 24px;
    z-index: 9999;
    border-radius: 0 0 0 var(--radius-md);
    transition: top 0.3s;
}
.skip-link:focus { top: 0; }

/* ============================================
   HEADER
   ============================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: box-shadow var(--transition);
}
.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
    height: var(--header-height);
    display: flex;
    align-items: center;
    gap: 32px;
}

/* .header-logo img حذف شد (کنترل در Master Page) */

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    background: transparent;
    border: none;
    align-items: center;
    justify-content: center;
    margin-right: auto;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}
.menu-toggle:hover { background: rgba(0,0,0,0.05); }
.menu-icon, .menu-icon::before, .menu-icon::after {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--c-text);
    transition: var(--transition);
    border-radius: 2px;
}
.menu-icon { position: relative; }
.menu-icon::before, .menu-icon::after { content: ''; position: absolute; right: 0; }
.menu-icon::before { top: -8px; }
.menu-icon::after { top: 8px; }
.menu-toggle[aria-expanded="true"] .menu-icon { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-icon::before { top: 0; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-icon::after { top: 0; transform: rotate(-45deg); }

.main-nav { flex: 1; display: flex; justify-content: center; }
.main-nav ul { list-style: none; display: flex; gap: 8px; align-items: center; }
.main-nav a {
    color: var(--c-text);
    text-decoration: none;
    font-weight: 500;
    padding: 10px 16px;
    border-radius: var(--radius-full);
    transition: var(--transition);
    white-space: nowrap;
}
.main-nav a:hover {
    color: var(--c-primary);
    background: rgba(0,102,204,0.08);
}

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-shrink: 0;
}

.btn-ticket {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--c-accent), #E85A2A);
    color: white;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(255,107,53,0.35);
}
.btn-ticket:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(255,107,53,0.45);
}

/* ============================================
   HERO / SLIDER
   ============================================ */
.hero-slider {
    margin: 24px auto;
    max-width: var(--container);
    padding: 0 20px;
}
.hero-slider-inner {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #1E3A8A, #0369A1);
}

/* ============================================
   QUICK SEARCH
   ============================================ */
.quick-search {
    padding: 48px 0;
    position: relative;
}
.quick-search::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top, rgba(0,168,232,0.1) 0%, transparent 70%);
    pointer-events: none;
}
.quick-search > .container { position: relative; }
.quick-search-title {
    font-size: 28px;
    text-align: center;
    margin-bottom: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.quick-search-form {
    display: flex;
    gap: 8px;
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 8px;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
}
.search-select, .search-input {
    padding: 14px 20px;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 15px;
    color: var(--c-text);
    transition: var(--transition);
    outline: none;
}
.search-select {
    flex-shrink: 0;
    min-width: 160px;
    cursor: pointer;
    border-left: 1px solid var(--c-border);
}
.search-input { flex: 1; min-width: 0; }
.search-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    flex-shrink: 0;
    box-shadow: var(--shadow-primary);
}
.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0,102,204,0.40);
}

/* ============================================
   SECTION HEADER
   ============================================ */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}
.section-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--c-text);
    display: flex;
    align-items: center;
    gap: 12px;
}
.section-title i {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--c-accent), #FF8C5A);
    color: white;
    border-radius: 12px;
    font-size: 18px;
    box-shadow: 0 4px 12px rgba(255,107,53,0.35);
}
.section-link {
    color: var(--c-primary);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    transition: var(--transition);
    background: rgba(0,102,204,0.06);
}
.section-link:hover {
    background: var(--c-primary);
    color: white;
    transform: translateX(-4px);
}

/* ============================================
   FEATURED EVENTS
   ============================================ */
.featured-events {
    padding: 64px 0;
    background: var(--c-bg-alt);
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.event-card {
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--c-border);
    position: relative;
}
.event-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.event-image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    background: var(--c-border);
    transition: transform 0.5s;
}
.event-card:hover .event-image { transform: scale(1.05); }
.event-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.event-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--c-primary);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    padding: 4px 10px;
    background: rgba(0,102,204,0.08);
    border-radius: var(--radius-full);
    align-self: flex-start;
}
.event-title {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.5;
    color: var(--c-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.event-venue {
    color: var(--c-text-muted);
    font-size: 13px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.event-buy {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: auto;
    padding: 12px 16px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
    color: white;
    text-decoration: none;
    text-align: center;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0,102,204,0.25);
}
.event-buy:hover {
    background: linear-gradient(135deg, var(--c-primary-dark), var(--c-primary));
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,102,204,0.35);
}

.events-loading {
    text-align: center;
    padding: 64px 24px;
    color: var(--c-text-muted);
    grid-column: 1 / -1;
}
.spinner {
    width: 44px;
    height: 44px;
    border: 3px solid var(--c-border);
    border-top-color: var(--c-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================
   SERVICES
   ============================================ */
.services-section {
    padding: 80px 0;
    position: relative;
    background: linear-gradient(180deg, var(--c-bg) 0%, #EEF6FF 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.service-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 20px;
    background: white;
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--c-text);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}
.service-tile::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(0,102,204,0.03));
    opacity: 0;
    transition: opacity var(--transition);
}
.service-tile:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0,102,204,0.15);
}
.service-tile:hover::before { opacity: 1; }
.service-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    font-size: 32px;
    color: white;
    margin-bottom: 16px;
    transition: transform var(--transition);
    position: relative;
    z-index: 1;
}
.service-tile:hover .service-icon { transform: scale(1.1) rotate(-5deg); }
.service-tile h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--c-text);
    position: relative;
    z-index: 1;
}

/* ============================================
   ABOUT / FEATURES
   ============================================ */
.about-section {
    padding: 80px 0;
    background: var(--c-bg-alt);
}
.about-title {
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 48px;
    color: var(--c-text);
    position: relative;
}
.about-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
    border-radius: 2px;
    margin: 16px auto 0;
}
.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}
.feature-card {
    text-align: center;
    padding: 36px 24px;
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--c-border);
    transition: var(--transition);
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}
.feature-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    transition: transform var(--transition);
    box-shadow: var(--shadow-primary);
}
.feature-card:hover .feature-icon { transform: scale(1.1); }
.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--c-text);
}
.feature-card p {
    color: var(--c-text-muted);
    font-size: 14px;
    line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: linear-gradient(180deg, #0F172A 0%, #1E293B 100%);
    color: #CBD5E1;
    padding: 64px 0 24px;
    margin-top: 64px;
}
.footer-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}
.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 48px;
    margin-bottom: 40px;
}
.footer-title {
    color: white;
    font-size: 18px;
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
    padding-bottom: 12px;
}
.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
    border-radius: 2px;
}
.footer-desc {
    line-height: 1.9;
    margin-bottom: 16px;
    font-size: 14px;
}
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a {
    color: #CBD5E1;
    text-decoration: none;
    transition: var(--transition);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.footer-links a:hover { color: var(--c-secondary); padding-right: 4px; }
.footer-contact { font-size: 14px; line-height: 2; }
.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
    text-align: center;
    font-size: 13px;
    color: #94A3B8;
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--c-primary), var(--c-secondary));
    color: white;
    border: none;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    font-size: 18px;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-4px) scale(1.05); }

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.6s ease-out forwards; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .footer-top { grid-template-columns: 1fr 1fr; }
    .main-nav ul { gap: 4px; }
    .main-nav a { padding: 8px 12px; font-size: 14px; }
}

@media (max-width: 768px) {
    :root {
    --c-primary: #e89a6a;
    --c-primary-dark: #d17d4b;
    --c-primary-light: #ffd2a0;
    --c-secondary: #1d2b44;
    --c-accent: #ffd2a0;
    --c-success: #10B981;
    --c-warning: #F59E0B;
    --c-danger: #EF4444;
    --c-bg: #F5F1EA;
    --c-bg-alt: #FAF6EF;
    --c-text: #1d2b44;
    --c-text-muted: #6b7280;
    --c-border: #e8e0d5;
    --font-main: 'Vazirmatn', 'IRANSans', 'Tahoma', sans-serif;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    --shadow-xs: 0 1px 2px rgba(29, 43, 68, 0.04);
    --shadow-sm: 0 2px 8px rgba(29, 43, 68, 0.06);
    --shadow-md: 0 8px 24px rgba(29, 43, 68, 0.10);
    --shadow-lg: 0 16px 48px rgba(29, 43, 68, 0.15);
    --shadow-primary: 0 8px 24px rgba(232, 154, 106, 0.30);
    --container: 1280px;
    --header-height: 76px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
    /* .header-logo img حذف شد (کنترل در Master Page) */
    .menu-toggle { display: flex; }
    .main-nav {
        position: fixed;
        top: var(--header-height);
        right: 0;
        bottom: 0;
        width: 300px;
        max-width: 85vw;
        background: white;
        box-shadow: var(--shadow-lg);
        transform: translateX(100%);
        transition: transform var(--transition);
        flex-direction: column;
        padding: 24px;
        overflow-y: auto;
    }
    .main-nav.open { transform: translateX(0); }
    .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
    .main-nav a {
        padding: 14px 20px;
        border-bottom: 1px solid var(--c-border);
        border-radius: 0;
        text-align: right;
    }
    .header-actions .action-user { display: none; }
    .btn-ticket span { display: none; }
    .btn-ticket { padding: 10px; }
    .quick-search-form { flex-direction: column; border-radius: var(--radius-md); }
    .search-select, .search-input { border-left: none; border-bottom: 1px solid var(--c-border); border-radius: 0; }
    .search-btn { width: 100%; justify-content: center; border-radius: var(--radius-sm); }
    .footer-top { grid-template-columns: 1fr; gap: 32px; }
    .section-title { font-size: 22px; }
    .about-title { font-size: 24px; }
    .quick-search-title { font-size: 22px; }
    .events-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-slider { margin: 16px auto; padding: 0 16px; }
    .featured-events, .about-section, .services-section { padding: 48px 0; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    /* .header-logo img حذف شد (کنترل در Master Page) */
    .about-title { font-size: 22px; }
    .section-title { font-size: 20px; }
    .footer-bottom { font-size: 12px; }
    .services-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}