/**
 * NFS Bangladesh v3 - Main Stylesheet
 * City-based theming with CSS variables
 */

/* ===== CSS Variables (Default: Dhaka) ===== */
:root {
    /* Colors - will be overridden by PHP */
    --color-primary: #1E3A5F;
    --color-primary-dark: #0F2744;
    --color-primary-light: #2E5A8F;
    --color-accent: #C9A227;
    --color-accent-light: #E5C65C;
    --gradient-primary: linear-gradient(135deg, #1E3A5F 0%, #0F2744 100%);

    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-bg: #F8FAFC;
    --color-bg-alt: #F1F5F9;
    --color-text: #1E293B;
    --color-text-secondary: #64748B;
    --color-text-muted: #94A3B8;
    --color-border: #E2E8F0;
    --color-border-light: #F1F5F9;

    /* Status Colors */
    --color-success: #059669;
    --color-success-light: #D1FAE5;
    --color-error: #DC2626;
    --color-error-light: #FEE2E2;
    --color-warning: #D97706;
    --color-warning-light: #FEF3C7;

    /* Typography */
    --font-primary: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'DM Sans', Georgia, serif;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --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-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Layout */
    --header-height: 80px;
    --container-max: 1280px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
}

a {
    color: inherit;
    text-decoration: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* ===== Header/Navigation ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

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

.logo-mark {
    width: 42px;
    height: 42px;
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    border-radius: var(--radius-lg);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text strong {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.2;
}

.logo-text span {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Main Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    padding: var(--space-2) var(--space-4);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.nav-link.active {
    color: var(--color-primary);
    font-weight: 600;
}

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

.city-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-primary);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.city-dropdown-toggle:hover {
    background: var(--color-bg);
}

.city-dropdown-toggle svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.city-dropdown.open .city-dropdown-toggle svg {
    transform: rotate(180deg);
}

.city-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
    padding: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 100;
}

.city-dropdown.open .city-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(8px);
}

.city-option {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.city-option:hover {
    background: var(--color-bg);
}

.city-option.active {
    background: var(--color-primary);
    color: var(--color-white);
}

.city-option-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.city-option-info {
    flex: 1;
}

.city-option-name {
    font-weight: 600;
    font-size: 0.9375rem;
}

.city-option-date {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* ===== Navigation Dropdowns ===== */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-dropdown-toggle:hover {
    color: var(--color-primary);
    background: var(--color-bg);
}

.dropdown-arrow {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-fast);
}

.nav-dropdown.open .dropdown-arrow {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    min-width: 280px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
    padding: var(--space-3);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 100;
}

.nav-dropdown.open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(8px);
}

.nav-dropdown-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-dropdown-item:hover {
    background: var(--color-bg);
}

.nav-dropdown-item svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.nav-dropdown-item-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.3;
}

.nav-dropdown-item-desc {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    line-height: 1.4;
    margin-top: 2px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    padding: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    z-index: 90;
    overflow-y: auto;
    padding: var(--space-6);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.mobile-nav.open {
    opacity: 1;
    visibility: visible;
}

.mobile-city-selector {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.mobile-city-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4);
    background: var(--color-bg);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mobile-city-btn.active {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.mobile-city-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.mobile-city-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
}

.mobile-nav-section {
    margin-bottom: var(--space-6);
}

.mobile-nav-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-3);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    font-size: 1rem;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border-light);
    transition: color var(--transition-fast);
}

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

.mobile-nav-link svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
}

.mobile-nav-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

/* Mobile Nav Header */
.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--color-text);
}

/* Mobile Nav Label */
.mobile-nav-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-3);
}

/* Mobile City Options */
.mobile-city-options {
    display: flex;
    gap: var(--space-2);
}

.mobile-city-option {
    flex: 1;
    text-align: center;
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.mobile-city-option:hover {
    background: var(--color-primary-light);
}

.mobile-city-option.active {
    background: var(--color-primary);
    color: var(--color-white);
}

/* Mobile Nav Links */
.mobile-nav-links {
    display: flex;
    flex-direction: column;
}

.mobile-nav-links > .mobile-nav-link {
    padding: var(--space-4);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav-section {
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav-section .mobile-nav-link {
    display: block;
    padding: var(--space-2) var(--space-4);
    font-size: 1rem;
    color: var(--color-text-secondary);
}

.mobile-nav-section .mobile-nav-link:hover {
    color: var(--color-primary);
}

/* Body lock when mobile menu open */
body.mobile-menu-open {
    overflow: hidden;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--color-accent-light);
    border-color: var(--color-accent-light);
}

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

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

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

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

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

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

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

/* ===== Hero Section ===== */
.hero {
    padding-top: calc(var(--header-height) + var(--space-16));
    padding-bottom: var(--space-16);
    background: var(--color-white);
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: var(--space-6);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-text);
    margin-bottom: var(--space-6);
}

.hero-title span {
    color: var(--color-accent);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-8);
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
}

.hero-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    padding: var(--space-8);
    border: 1px solid var(--color-border);
}

.hero-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.hero-card-city {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.hero-card-tagline {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.hero-card-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.hero-card-detail {
    text-align: center;
    padding: var(--space-4);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
}

.hero-card-detail-icon {
    font-size: 1.5rem;
    margin-bottom: var(--space-2);
}

.hero-card-detail-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-card-detail-value {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
    margin-top: var(--space-1);
}

/* ===== Stats Section ===== */
.stats {
    padding: var(--space-16) 0;
    background: var(--color-bg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
}

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

.stat-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-top: var(--space-2);
}

/* ===== Section Styles ===== */
.section {
    padding: var(--space-20) 0;
}

.section-dark {
    background: var(--gradient-primary);
    color: var(--color-white);
}

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

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-12);
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-3);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.section-dark .section-title {
    color: var(--color-white);
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.section-dark .section-description {
    color: rgba(255, 255, 255, 0.8);
}

/* ===== Cards ===== */
.card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--space-5);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-3);
}

.card-description {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ===== Grid Layouts ===== */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

/* ===== Footer ===== */
.footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-sitemap {
    display: grid;
    grid-template-columns: 2fr repeat(5, 1fr);
    gap: var(--space-10);
    margin-bottom: var(--space-12);
}

.footer-brand {
    padding-right: var(--space-8);
}

.footer-brand .logo {
    margin-bottom: var(--space-4);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    font-size: 0.9375rem;
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

.footer-column {
    min-width: 0;
}

.footer-title {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-5);
    color: var(--color-white);
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

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

/* Footer Cities */
.footer-cities a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.footer-cities .city-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.footer-cities .city-date {
    font-size: 0.75rem;
    opacity: 0.6;
    margin-left: auto;
}

/* Footer Contact */
.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

.footer-contact svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

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

.footer-contact-btn {
    margin-top: var(--space-4);
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--color-white);
}

.footer-contact-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Footer Bottom */
.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-bottom-left {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom-left p {
    margin-bottom: var(--space-1);
}

.footer-credit a {
    color: rgba(255, 255, 255, 0.8);
}

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

.footer-bottom-right {
    display: flex;
    gap: var(--space-6);
}

.footer-bottom-right a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

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

/* Footer Responsive */
@media (max-width: 1200px) {
    .footer-sitemap {
        grid-template-columns: 1fr 1fr 1fr;
        gap: var(--space-8);
    }

    .footer-brand {
        grid-column: span 3;
        padding-right: 0;
        max-width: 400px;
    }
}

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

    .footer-brand {
        grid-column: span 2;
    }

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

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

@media (max-width: 480px) {
    .footer-sitemap {
        grid-template-columns: 1fr;
    }

    .footer-brand {
        grid-column: span 1;
    }
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.form-input {
    width: 100%;
    padding: var(--space-4);
    font-size: 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    background: var(--color-white);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

textarea.form-input {
    min-height: 120px;
    resize: vertical;
}

/* ===== Alerts ===== */
.alert {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

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

.alert-error {
    background: var(--color-error-light);
    color: var(--color-error);
}

.alert-warning {
    background: var(--color-warning-light);
    color: var(--color-warning);
}

/* ===== Page Header ===== */
.page-header {
    padding-top: calc(var(--header-height) + var(--space-16));
    padding-bottom: var(--space-12);
    background: var(--gradient-primary);
    color: var(--color-white);
}

.page-header-content {
    max-width: 700px;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.page-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .hero-visual {
        order: -1;
    }

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

    .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .main-nav {
        display: none;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .page-title {
        font-size: 2.25rem;
    }

    .stats-grid, .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }

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

    .hero-actions .btn {
        width: 100%;
    }
}

/* ===== Mobile Menu ===== */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: var(--space-2);
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    margin: 5px 0;
    transition: all var(--transition-fast);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
}

/* ===== Redesigned Hero Section ===== */
.sponsor-presents {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.sponsor-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    font-weight: 500;
}

.title-sponsor-logo {
    height: 40px;
    display: flex;
    align-items: center;
}

.title-sponsor-logo img {
    height: 100%;
    width: auto;
    max-width: 180px;
    object-fit: contain;
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: var(--space-4);
}

/* Event Details Grid */
.event-details-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.event-detail {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.event-detail-icon {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.event-detail-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.event-detail-value {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
}

/* Hero Image Container */
.hero-image-container {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    background: var(--gradient-primary);
    aspect-ratio: 4/3;
    min-height: 400px;
}

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

.hero-image-container.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image-container.placeholder::after {
    content: 'NFS ' attr(data-city);
    font-size: 3rem;
    font-weight: 700;
    color: rgba(255,255,255,0.2);
}

.hero-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 50%);
}

.hero-city-badge {
    position: absolute;
    bottom: var(--space-6);
    left: var(--space-6);
    display: flex;
    flex-direction: column;
}

.hero-city-name {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.hero-city-year {
    font-size: 1rem;
    color: rgba(255,255,255,0.9);
    font-weight: 500;
}

/* ===== Sponsor Sections ===== */
.sponsors-section {
    padding: var(--space-10) 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border-light);
}

.sponsors-section-alt {
    background: var(--color-bg);
}

.sponsors-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.sponsors-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-muted);
}

.sponsors-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-8);
}

.sponsor-logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-6);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    min-width: 160px;
    height: 80px;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.sponsor-logo-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.sponsor-logo-item img {
    max-height: 50px;
    max-width: 140px;
    object-fit: contain;
}

.sponsor-logo-item.small {
    min-width: 120px;
    height: 60px;
    padding: var(--space-3) var(--space-4);
}

.sponsor-logo-item.small img {
    max-height: 36px;
    max-width: 100px;
}

.sponsor-logo-item.tiny {
    min-width: 100px;
    height: 50px;
    padding: var(--space-2) var(--space-3);
    font-size: 0.875rem;
}

.sponsor-logo-item.tiny img {
    max-height: 28px;
    max-width: 80px;
}

/* ===== Feature Cards with Icons ===== */
.feature-card {
    text-align: left;
}

.card-icon-wrap {
    width: 56px;
    height: 56px;
    background: rgba(30, 58, 95, 0.1);
    background: var(--color-primary-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-5);
}

.card-icon-wrap svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

/* ===== Categories Grid ===== */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-6);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.category-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--color-primary);
}

.category-icon {
    width: 60px;
    height: 60px;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    transition: all var(--transition-fast);
}

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

.category-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.category-card:hover .category-icon svg {
    color: var(--color-white);
}

.category-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.category-count {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ===== btn-ghost ===== */
.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border: none;
}

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

/* ===== Responsive Updates ===== */
@media (max-width: 1024px) {
    .main-nav {
        display: none;
    }

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

    .mobile-nav {
        display: block;
    }

    .header-actions .btn {
        display: none;
    }

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

    .sponsors-logos {
        gap: var(--space-4);
    }
}

@media (max-width: 768px) {
    .event-details-grid {
        flex-direction: column;
        gap: var(--space-4);
    }

    .hero-image-container {
        min-height: 300px;
    }

    .hero-city-name {
        font-size: 1.5rem;
    }

    .categories-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-4);
    }

    .category-card {
        padding: var(--space-4);
    }

    .category-icon {
        width: 48px;
        height: 48px;
    }

    .category-icon svg {
        width: 24px;
        height: 24px;
    }

    .sponsor-logo-item {
        min-width: 120px;
        height: 60px;
    }

    .sponsor-logo-item.small,
    .sponsor-logo-item.tiny {
        min-width: 80px;
        height: 50px;
    }
}

/* ===== Page Header ===== */
.page-header {
    padding-top: calc(var(--header-height) + var(--space-12));
    padding-bottom: var(--space-12);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border-light);
}

.page-header-content {
    max-width: 800px;
}

.page-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.page-breadcrumb a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.page-breadcrumb a:hover {
    color: var(--color-primary);
}

.page-breadcrumb svg {
    color: var(--color-text-muted);
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.page-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===== About Page ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-content p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-5);
}

.about-stats-inline {
    display: flex;
    gap: var(--space-8);
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

.about-stat {
    display: flex;
    flex-direction: column;
}

.about-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.about-stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

.about-image-placeholder {
    border-radius: var(--radius-2xl);
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.about-image-placeholder span {
    font-size: 3rem;
    font-weight: 700;
    color: rgba(255,255,255,0.2);
}

/* ===== Features Grid ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-text);
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ===== Event Info Grid ===== */
.event-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.event-info-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition-fast);
}

.event-info-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.event-info-icon {
    width: 60px;
    height: 60px;
    background: var(--color-primary-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-5);
}

.event-info-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.event-info-card h3 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.event-info-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.event-info-detail {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ===== Explore Grid ===== */
.explore-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.explore-card {
    display: flex;
    flex-direction: column;
    padding: var(--space-8);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.explore-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.explore-icon {
    width: 56px;
    height: 56px;
    background: var(--color-primary-light);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-5);
    transition: all var(--transition-fast);
}

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

.explore-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
    transition: color var(--transition-fast);
}

.explore-card:hover .explore-icon svg {
    color: var(--color-white);
}

.explore-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.explore-card p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    flex: 1;
}

.explore-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-top: var(--space-4);
}

/* ===== CTA Section ===== */
.cta-section {
    padding: var(--space-16) 0;
    background: var(--gradient-primary);
    color: var(--color-white);
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.cta-content p {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* ===== Page Responsive ===== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .features-grid,
    .event-info-grid,
    .explore-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }

    .about-stats-inline {
        flex-wrap: wrap;
        gap: var(--space-6);
    }

    .about-stat-value {
        font-size: 1.5rem;
    }

    .features-grid,
    .event-info-grid,
    .explore-grid {
        grid-template-columns: 1fr;
    }

    .cta-content h2 {
        font-size: 1.75rem;
    }
}

/* ===== Utility Classes ===== */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-text-muted); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }