/*
Theme Name: VinFast Stadium Child Theme
Theme URI: https://vinfaststadium.com
Description: World-Class Ultra-Premium Editorial Child Theme for VinFast Stadium & Global Stadium Database.
Author: Senior UI/UX Designer & Lead Engineer (20+ YOE)
Author URI: https://vinfaststadium.com
Template: generatepress
Version: 1.2.0
Text Domain: vinfaststadium
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
    --color-primary: #0B1F3A;
    --color-primary-dark: #050E1A;
    --color-primary-light: #1E3A8A;
    --color-accent: #E63946;
    --color-accent-orange: #FF4B2B;
    --color-gold: #F59E0B;
    --color-bg-light: #F8FAFC;
    --color-card-bg: #FFFFFF;
    --color-text-main: #0F172A;
    --color-text-muted: #64748B;
    --color-border: #E2E8F0;
    --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --shadow-sm: 0 2px 8px rgba(11, 31, 58, 0.04);
    --shadow-md: 0 8px 24px rgba(11, 31, 58, 0.08);
    --shadow-lg: 0 20px 40px rgba(11, 31, 58, 0.12);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
}

/* ==========================================================================
   GLOBAL BASE PERFORMANCE & RENDERING OPTIMIZATION
   ========================================================================== */

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

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

body {
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    color: var(--color-text-main);
    margin: 0;
    padding: 0;
    line-height: 1.65;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    margin-top: 0;
    color: var(--color-primary);
}

/* Image performance: avoid layout shift */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* CSS Image Hover (replacing inline JS onmouseover) */
.vfs-card .vfs-img-hover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}

.vfs-card:hover .vfs-img-hover {
    transform: scale(1.07);
}

/* ==========================================================================
   FULL-WIDTH GLOBAL CONTAINER OVERRIDES (GeneratePress Layout Reset)
   ========================================================================== */

#page,
#content,
#primary,
#main,
.site-content,
.content-area,
.site-main,
.entry-content,
.inside-article {
    display: block !important;
    flex-direction: column !important;
    max-width: 100% !important;
    width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    float: none !important;
    clear: both !important;
    border: none !important;
}

section,
.vfs-section {
    display: block !important;
    width: 100% !important;
    clear: both !important;
    float: none !important;
    box-sizing: border-box !important;
}

/* ==========================================================================
   HEADER & NAVIGATION SYSTEM (Mobile WebApp Bar & Desktop Layout)
   ========================================================================== */

.site-header,
header.site-header {
    background: #0B1F3A !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12) !important;
    width: 100% !important;
    z-index: 999999 !important;
    position: relative !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* BRANDING & LOGO STYLING */
.navigation-branding .main-title a,
.site-branding .main-title a,
.main-title a {
    font-family: var(--font-heading) !important;
    font-weight: 800 !important;
    font-size: 1.25rem !important;
    color: #FFFFFF !important;
    letter-spacing: -0.4px !important;
    text-transform: uppercase !important;
    text-decoration: none !important;
    white-space: nowrap !important;
}

/* DESKTOP LAYOUT (>= 993px) */
@media (min-width: 993px) {
    #mobile-menu-control-wrapper,
    .mobile-menu-control-wrapper {
        display: none !important;
    }

    .site-header,
    header.site-header {
        position: static !important;
        background: #0B1F3A !important;
    }

    .inside-header {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        max-width: 1280px !important;
        margin: 0 auto !important;
        padding: 12px 24px !important;
        width: 100% !important;
        box-sizing: border-box !important;
        float: none !important;
        clear: both !important;
    }

    .site-branding {
        display: flex !important;
        align-items: center !important;
        margin: 0 !important;
        float: none !important;
    }

    .main-navigation,
    #site-navigation,
    .main-navigation .main-nav,
    #site-navigation .main-nav,
    #site-navigation:not(.toggled) .main-nav,
    .main-navigation:not(.toggled) .main-nav {
        display: flex !important;
        align-items: center !important;
        background: transparent !important;
        float: none !important;
        margin: 0 !important;
    }

    .inside-navigation {
        display: flex !important;
        align-items: center !important;
        padding: 0 !important;
        margin: 0 !important;
        float: none !important;
    }

    .main-navigation .main-nav > ul {
        display: flex !important;
        align-items: center !important;
        gap: 6px !important;
        margin: 0 !important;
        padding: 0 !important;
        list-style: none !important;
        flex-wrap: nowrap !important;
    }

    .main-navigation .main-nav ul li {
        float: none !important;
        display: inline-block !important;
        margin: 0 !important;
    }

    .main-navigation .main-nav ul li a {
        font-family: var(--font-heading) !important;
        font-weight: 600 !important;
        font-size: 0.85rem !important;
        color: #E2E8F0 !important;
        padding: 6px 10px !important;
        border-radius: 6px !important;
        line-height: 1.4 !important;
        white-space: nowrap !important;
        transition: all 0.2s ease !important;
    }

    .main-navigation .main-nav ul li:hover > a,
    .main-navigation .main-nav ul li.current-menu-item > a {
        color: #FFFFFF !important;
        background: rgba(255, 255, 255, 0.12) !important;
    }

    .menu-toggle {
        display: none !important;
    }
}


/* MOBILE WEBAPP HEADER BAR (< 992px) */
@media (max-width: 992px) {
    .site-header,
    header.site-header {
        position: sticky !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        height: 56px !important;
        background: rgba(11, 31, 58, 0.96) !important;
        backdrop-filter: blur(16px) !important;
        -webkit-backdrop-filter: blur(16px) !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.14) !important;
        box-sizing: border-box !important;
    }

    /* Single 1-Line Flex Row inside header */
    .inside-header {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        height: 56px !important;
        padding: 0 16px !important;
        margin: 0 auto !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        float: none !important;
        clear: both !important;
        position: relative !important;
    }

    .site-branding {
        display: flex !important;
        align-items: center !important;
        margin: 0 !important;
        float: none !important;
    }

    .main-title a {
        font-size: 1.05rem !important;
        font-weight: 800 !important;
    }

    /* Mobile Menu Toggle Button Container */
    #mobile-menu-control-wrapper,
    .mobile-menu-control-wrapper {
        display: flex !important;
        align-items: center !important;
        margin: 0 !important;
        float: none !important;
    }

    /* WebApp Hamburger Button (Right Aligned) */
    .menu-toggle,
    #mobile-menu-control-wrapper .menu-toggle {
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        background: rgba(255, 255, 255, 0.1) !important;
        color: #FFFFFF !important;
        border: 1px solid rgba(255, 255, 255, 0.22) !important;
        border-radius: 8px !important;
        padding: 6px 12px !important;
        min-height: 36px !important;
        font-size: 0.85rem !important;
        font-weight: 700 !important;
        cursor: pointer !important;
        box-shadow: none !important;
    }

    .menu-toggle .gp-icon {
        display: none !important;
    }

    .menu-toggle::before {
        content: "☰ Menu" !important;
        font-size: 0.85rem !important;
        line-height: 1 !important;
        color: #FFFFFF !important;
        font-weight: 700 !important;
    }

    /* Hide inner duplicate menu button inside navigation */
    #site-navigation .inside-navigation > .menu-toggle {
        display: none !important;
    }

    /* Navigation Container on Mobile */
    #site-navigation,
    .main-navigation {
        position: static !important;
        background: transparent !important;
        border: none !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    /* Hide dropdown when closed */
    #site-navigation:not(.toggled) .main-nav,
    .main-navigation:not(.toggled) .main-nav {
        display: none !important;
    }

    /* Full-width Mobile WebApp App Drawer (8 Uniform 50/50 Grid Cells) */
    #site-navigation.toggled .main-nav,
    .main-navigation.toggled .main-nav {
        display: block !important;
        position: absolute !important;
        top: 56px !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        background: #050E1A !important;
        border-bottom: 3px solid #FF4B2B !important;
        box-shadow: 0 20px 45px rgba(0, 0, 0, 0.85) !important;
        z-index: 999999 !important;
        padding: 14px 16px !important;
        box-sizing: border-box !important;
    }

    #site-navigation.toggled .main-nav > ul,
    .main-navigation.toggled .main-nav > ul {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
        margin: 0 !important;
        padding: 0 !important;
        list-style: none !important;
    }

    .main-navigation .main-nav ul li {
        width: 100% !important;
        height: 48px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        margin: 0 !important;
        box-sizing: border-box !important;
    }

    .main-navigation .main-nav ul li a {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
        height: 48px !important;
        padding: 0 10px !important;
        width: 100% !important;
        box-sizing: border-box !important;
        border-radius: 10px !important;
        font-size: 0.86rem !important;
        font-weight: 700 !important;
        color: #E2E8F0 !important;
        background: rgba(255, 255, 255, 0.06) !important;
        border: 1px solid rgba(255, 255, 255, 0.12) !important;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25) !important;
        transition: all 0.2s ease !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
    }

    .main-navigation .main-nav ul li.current-menu-item a,
    .main-navigation .main-nav ul li a:hover {
        background: linear-gradient(135deg, rgba(255, 75, 43, 0.25) 0%, rgba(230, 57, 70, 0.25) 100%) !important;
        border-color: #FF4B2B !important;
        color: #FFFFFF !important;
        box-shadow: 0 4px 12px rgba(255, 75, 43, 0.3) !important;
    }

    /* Cell 8: Language Switcher (Exact 48px Cell, 50/50 EN|VI split) */
    .vfs-lang-switcher-pill {
        grid-column: span 1 !important;
        margin: 0 !important;
        width: 100% !important;
        height: 48px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        box-sizing: border-box !important;
        padding: 0 4px !important;
        background: rgba(255, 255, 255, 0.06) !important;
        border: 1px solid rgba(255, 255, 255, 0.12) !important;
        border-radius: 10px !important;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25) !important;
    }

    .vfs-lang-switcher-pill a {
        flex: 1 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        height: 40px !important;
        padding: 0 !important;
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        font-size: 0.82rem !important;
        font-weight: 700 !important;
        border-radius: 6px !important;
    }

    .vfs-lang-switcher-pill a:hover {
        background: rgba(255, 255, 255, 0.1) !important;
        border-color: transparent !important;
        box-shadow: none !important;
    }
}





/* SECTION UTILITIES */
.vfs-section {
    padding: 80px 0;
    position: relative;
    contain: layout;
}


.vfs-section-white {
    background-color: #FFFFFF;
}

.vfs-section-light {
    background-color: #F8FAFC;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.vfs-section-dark {
    background-color: var(--color-primary-dark);
    color: #FFFFFF;
}

.vfs-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* SECTION HEADER */
.vfs-section-header {
    margin-bottom: 50px;
}

.vfs-section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.825rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-accent-orange);
    margin-bottom: 10px;
}

.vfs-section-title {
    font-size: 2.5rem;
    line-height: 1.2;
    margin: 0 0 12px 0;
    color: var(--color-primary);
}

.vfs-section-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    max-width: 680px;
    margin: 0;
}

/* CARD STYLING */
.vfs-card {
    background: var(--color-card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.vfs-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: #CBD5E1;
}

/* BADGES */
.vfs-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.vfs-badge-uc {
    background: #FEF3C7;
    color: #B45309;
    border: 1px solid #FCD34D;
}

.vfs-badge-active {
    background: #D1FAE5;
    color: #047857;
    border: 1px solid #6EE7B7;
}

.vfs-badge-glass {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
}

/* BUTTONS */
.vfs-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.25s ease;
    cursor: pointer;
}

.vfs-btn-primary {
    background: linear-gradient(135deg, #FF4B2B 0%, #E63946 100%);
    color: #FFFFFF;
    box-shadow: 0 4px 15px rgba(255, 75, 43, 0.3);
}

.vfs-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 75, 43, 0.45);
    color: #FFFFFF;
}

.vfs-btn-secondary {
    background: #FFFFFF;
    color: var(--color-primary);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.vfs-btn-secondary:hover {
    background: #F1F5F9;
    color: var(--color-primary);
    border-color: #94A3B8;
}

.vfs-btn-outline-white {
    background: rgba(255, 255, 255, 0.08);
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
}

.vfs-btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.18);
    color: #FFFFFF;
}

/* GRID RESPONSIVE & HERO GRID */
.vfs-hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
}

.vfs-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

@media (max-width: 992px) {
    .vfs-metrics-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 14px !important;
    }
}


.vfs-timeline-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}

.vfs-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.vfs-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.vfs-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

@media (max-width: 992px) {
    .vfs-hero-grid {
        grid-template-columns: 1fr !important;
        gap: 30px !important;
    }
    .vfs-timeline-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px !important;
    }
    .vfs-grid-3, .vfs-grid-4 {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 768px) {
    .vfs-webapp-nav-links {
        overflow-x: auto !important;
        flex-wrap: nowrap !important;
        white-space: nowrap !important;
        -webkit-overflow-scrolling: touch !important;
        padding-bottom: 6px !important;
        width: 100% !important;
    }
    .vfs-hero-grid {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
    }
    .vfs-hero-grid > div {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    .vfs-metrics-grid {
        grid-template-columns: 1fr !important;
        gap: 10px !important;
    }
    .vfs-timeline-grid {
        grid-template-columns: 1fr !important;
        gap: 14px !important;
    }
    .vfs-grid-2, .vfs-grid-3, .vfs-grid-4 {
        grid-template-columns: 1fr !important;
    }
    .vfs-section-title {
        font-size: 1.75rem !important;
    }
    .vfs-section {
        padding: 48px 0 !important;
    }
    .vfs-container {
        padding: 0 16px !important;
    }
    .vfs-btn {
        font-size: 0.95rem !important;
        padding: 12px 20px !important;
    }
}

/* ==========================================================================
   MOBILE WEBAPP BOTTOM NAVIGATION BAR & GLASSMORPHISM SYSTEM
   ========================================================================== */

/* Hidden on desktop */
.vfs-webapp-bottom-nav {
    display: none;
}

/* Pulse Glow Keyframes */
@keyframes vfsPulseGlow {
    0% {
        box-shadow: 0 0 0 0 rgba(56, 189, 248, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(56, 189, 248, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(56, 189, 248, 0);
    }
}

.vfs-pulse-badge {
    animation: vfsPulseGlow 2s infinite;
}

/* Mobile Viewport WebApp Styles (< 768px) */
@media (max-width: 768px) {
    body {
        padding-bottom: 65px !important; /* Space for fixed bottom nav */
    }

    .vfs-webapp-bottom-nav {
        display: flex !important;
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        height: 60px !important;
        background: rgba(5, 14, 26, 0.94) !important;
        backdrop-filter: blur(16px) !important;
        -webkit-backdrop-filter: blur(16px) !important;
        border-top: 1px solid rgba(255, 255, 255, 0.12) !important;
        z-index: 999999 !important;
        justify-content: space-around !important;
        align-items: center !important;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4) !important;
    }

    .vfs-webapp-nav-item {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        text-decoration: none !important;
        color: #94A3B8 !important;
        flex: 1 !important;
        height: 100% !important;
        padding: 4px 0 !important;
        transition: all 0.2s ease !important;
    }

    .vfs-webapp-nav-item:active,
    .vfs-webapp-nav-item.active {
        color: #38BDF8 !important;
    }

    .vfs-webapp-nav-icon {
        font-size: 1.25rem !important;
        line-height: 1 !important;
        margin-bottom: 2px !important;
    }

    .vfs-webapp-nav-label {
        font-size: 0.68rem !important;
        font-weight: 700 !important;
        letter-spacing: 0.2px !important;
        text-transform: uppercase !important;
    }

    /* Swipeable Horizontal Scroll Container for Mobile Cards */
    .vfs-mobile-swipe-row {
        display: flex !important;
        overflow-x: auto !important;
        scroll-snap-type: x mandatory !important;
        gap: 16px !important;
        padding-bottom: 12px !important;
        -webkit-overflow-scrolling: touch !important;
    }

    .vfs-mobile-swipe-row > * {
        flex: 0 0 85% !important;
        scroll-snap-align: center !important;
    }

    .vfs-single-grid {
        grid-template-columns: 1fr !important;
        gap: 30px !important;
    }
}

/* GENERAL RESPONSIVE MEDIA & TABLE PROTECTION */
img, video, iframe, canvas {
    max-width: 100% !important;
    height: auto !important;
}

table {
    max-width: 100% !important;
}

/* FOOTER RESPONSIVE GRID RULES */
@media (max-width: 992px) {
    .vfs-footer-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 30px !important;
    }
}

@media (max-width: 600px) {
    .vfs-footer-grid {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
    }
}