/* ========================================
   Events for Good Laos - Professional Stylesheet
   ======================================== */

/* CSS Variables */
:root {
    /* Colors - Professional Blue Theme */
    --primary: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --secondary: #ea580c;
    --secondary-dark: #c2410c;
    --accent: #059669;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #475569;
    --gray-light: #94a3b8;
    --gray-lighter: #e2e8f0;
    --light: #f8fafc;
    --white: #ffffff;
    --danger: #dc2626;
    --success: #16a34a;
    --warning: #d97706;

    /* Typography */
    --font-primary: 'Inter', 'Noto Sans Lao', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Poppins', 'Noto Sans Lao', var(--font-primary);
    --font-lao: 'Noto Sans Lao', 'Phetsarath OT', 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: 5rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 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), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

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

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--primary-dark);
}

ul, ol {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--dark);
    margin-bottom: 0.5em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.875rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1.25rem;
    color: var(--gray);
}

p:last-child {
    margin-bottom: 0;
}

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

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

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
}

.section-title {
    margin-bottom: var(--spacing-md);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
}

.section-subtitle {
    color: var(--gray);
    font-size: 1.125rem;
    margin-top: var(--spacing-lg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(30, 64, 175, 0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.5);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(234, 88, 12, 0.4);
}

.btn-secondary:hover {
    background: var(--secondary-dark);
    color: var(--white);
    transform: translateY(-2px);
}

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

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

.btn-white {
    background: var(--white);
    color: var(--primary);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.btn-white:hover {
    background: var(--light);
    color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

/* Main Content */
main {
    position: relative;
    z-index: 1;
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-right .main-nav {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
}

.logo img {
    height: 50px;
    width: auto;
}

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

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

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

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 500;
    color: var(--dark);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(30, 64, 175, 0.08);
}

.nav-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link svg {
    transform: rotate(180deg);
}

/* CTA Button in Navigation */
.nav-link-cta {
    background: var(--primary);
    color: var(--white) !important;
    padding: var(--spacing-sm) var(--spacing-md) !important;
    border-radius: var(--radius-md);
    font-weight: 600;
}

.nav-link-cta:hover {
    background: var(--primary-dark);
    color: var(--white) !important;
}

/* Dropdown */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
}

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

.nav-dropdown a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--dark);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-dropdown a:hover {
    color: var(--primary);
    background: var(--light);
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
    background: none;
    border: none;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: all var(--transition-fast);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.95) 0%, rgba(30, 58, 138, 0.98) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 750px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

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

/* Page Hero (smaller version) */
.page-hero {
    position: relative;
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-hero-title {
    font-size: clamp(2.25rem, 5vw, 3.25rem);
    margin-bottom: var(--spacing-md);
    color: var(--white);
    position: relative;
}

.page-hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
    opacity: 0.8;
    position: relative;
}

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

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    opacity: 0.6;
}

/* ========================================
   Cards
   ======================================== */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.card-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

.card:hover .card-image img {
    transform: scale(1.08);
}

.card-body {
    padding: var(--spacing-xl);
}

.card-title {
    font-size: 1.375rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.card-title a {
    color: var(--dark);
}

.card-title a:hover {
    color: var(--primary);
}

.card-text {
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: var(--spacing-xl);
}

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

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

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

/* ========================================
   About Section
   ======================================== */
.about-section {
    background: var(--light);
}

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

.about-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100px;
    height: 100px;
    background: var(--secondary);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 150px;
    height: 150px;
    background: var(--primary);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-content h2 {
    margin-bottom: var(--spacing-lg);
}

.about-content p {
    color: var(--gray);
    margin-bottom: var(--spacing-md);
    font-size: 1.0625rem;
}

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-lighter);
}

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

.stat-number {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-heading);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

/* ========================================
   Projects/Events Grid
   ======================================== */
.projects-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xl);
}

.projects-grid .project-card {
    flex: 0 1 340px;
    max-width: 400px;
}

.events-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xl);
}

.events-grid .event-card {
    flex: 0 1 340px;
    max-width: 400px;
}

.project-card,
.event-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.project-card .card-body,
.event-card .card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-card .card-text,
.event-card .card-text {
    flex: 1;
}

/* ========================================
   Portfolio Gallery
   ======================================== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.portfolio-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

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

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-title {
    color: var(--white);
    font-size: 1.125rem;
    font-weight: 600;
}

/* ========================================
   Contact Section
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

.contact-info {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.contact-info::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
}

.contact-info h3 {
    color: var(--white);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.contact-info > p {
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    color: rgba(255, 255, 255, 0.9);
    position: relative;
}

.contact-list {
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-item svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    opacity: 0.9;
}

.contact-item strong {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.contact-item span {
    opacity: 0.9;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    position: relative;
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    color: var(--white);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-3px);
}

.social-link svg {
    width: 22px;
    height: 22px;
}

/* Contact Form */
.contact-form {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.form-control {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid var(--gray-lighter);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(30, 64, 175, 0.1);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

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

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

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

.footer-brand {
    padding-right: var(--spacing-xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-lg);
}

.footer-brand p {
    opacity: 0.7;
    margin: var(--spacing-lg) 0;
    color: rgba(255, 255, 255, 0.7);
}

.footer h4 {
    color: var(--white);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

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

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

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.7;
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    opacity: 0.7;
    font-size: 0.875rem;
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
}

/* ========================================
   Utilities
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

.bg-primary { background: var(--primary); }
.bg-light { background: var(--light); }
.bg-dark { background: var(--dark); }
.bg-white { background: var(--white); }

.mt-1 { margin-top: var(--spacing-md); }
.mt-2 { margin-top: var(--spacing-lg); }
.mt-3 { margin-top: var(--spacing-xl); }
.mt-4 { margin-top: var(--spacing-2xl); }

.mb-1 { margin-bottom: var(--spacing-md); }
.mb-2 { margin-bottom: var(--spacing-lg); }
.mb-3 { margin-bottom: var(--spacing-xl); }
.mb-4 { margin-bottom: var(--spacing-2xl); }

/* Flash Messages */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fcd34d;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .projects-grid .project-card {
        flex: 0 1 320px;
    }

    .events-grid .event-card {
        flex: 0 1 320px;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --spacing-3xl: 3rem;
        --spacing-2xl: 2rem;
    }

    /* Header adjustments */
    .header-inner {
        height: 70px;
    }

    .logo img {
        height: 40px;
    }

    .logo {
        font-size: 1.25rem;
    }

    /* Mobile Navigation */
    .main-nav {
        position: fixed !important;
        top: 70px !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        background: #ffffff !important;
        padding: var(--spacing-lg) !important;
        flex-direction: column !important;
        align-items: stretch !important;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2) !important;
        overflow-y: auto !important;
        z-index: 9999 !important;
        display: none !important;
        height: calc(100vh - 70px) !important;
    }

    .main-nav.active {
        display: flex !important;
    }

    .main-nav .nav-list {
        background: #ffffff !important;
        width: 100% !important;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .nav-item {
        width: 100%;
    }

    .nav-link {
        padding: var(--spacing-md) var(--spacing-sm);
        justify-content: flex-start;
        border-bottom: 1px solid var(--gray-lighter);
        font-size: 1rem;
        width: 100%;
        display: block;
        text-align: left;
    }

    .nav-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: var(--spacing-lg);
        display: none;
        background: var(--light);
    }

    .nav-item.open .nav-dropdown {
        display: block;
    }

    .mobile-toggle {
        display: flex;
        z-index: 1001;
    }

    /* Hide language switcher in mobile nav area - it stays in header */
    .lang-switcher {
        position: relative;
        z-index: 1002;
    }

    /* Page Hero Mobile */
    .page-hero {
        padding: 120px 0 60px;
    }

    .page-hero-title {
        font-size: 1.75rem;
    }

    .page-hero-subtitle {
        font-size: 1rem;
    }

    .breadcrumb {
        font-size: 0.75rem;
        flex-wrap: wrap;
    }

    /* Hero Section Mobile */
    .hero {
        padding-top: 70px;
        min-height: auto;
        padding-bottom: var(--spacing-3xl);
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    /* Grid Layouts Mobile */
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .about-image::before,
    .about-image::after {
        display: none;
    }

    /* Stats Mobile */
    .stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.625rem;
    }

    /* Form Row Mobile */
    .form-row {
        grid-template-columns: 1fr;
    }

    /* Footer Mobile */
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }

    .footer-brand {
        padding-right: 0;
    }

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

    /* Projects/Events Grid Mobile */
    .projects-grid,
    .events-grid {
        gap: var(--spacing-lg);
    }

    .projects-grid .project-card,
    .events-grid .event-card {
        flex: 1 1 100%;
        max-width: 100%;
    }

    /* Cards Mobile */
    .card-body {
        padding: var(--spacing-lg);
    }

    .card-title {
        font-size: 1.125rem;
    }

    .card-text {
        font-size: 0.875rem;
        margin-bottom: var(--spacing-md);
    }

    /* Buttons Mobile */
    .hero-buttons {
        flex-direction: column;
    }

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

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
    }

    .btn-lg {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }

    .btn-sm {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }

    /* Social Links Mobile */
    .social-links {
        justify-content: center;
    }

    /* Contact Mobile */
    .contact-info {
        text-align: center;
        padding: var(--spacing-xl);
    }

    .contact-item {
        justify-content: center;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .contact-list {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    /* Contact Form Mobile */
    .contact-form {
        padding: var(--spacing-lg);
    }

    /* Section Mobile */
    .section {
        padding: var(--spacing-2xl) 0;
    }

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

    .section-title {
        font-size: 1.5rem;
    }

    .section-subtitle {
        font-size: 0.875rem;
    }

    /* Portfolio Mobile */
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .portfolio-item {
        aspect-ratio: 1;
    }

    .portfolio-title {
        font-size: 0.875rem;
    }

    .portfolio-overlay {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 0.75rem;
    }

    /* Typography Mobile Small */
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.125rem; }

    /* Page Hero Small Mobile */
    .page-hero {
        padding: 100px 0 40px;
    }

    .page-hero-title {
        font-size: 1.5rem;
    }

    /* Portfolio Grid Small Mobile */
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    /* Stats Small Mobile */
    .stats {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .stat-item {
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid var(--gray-lighter);
    }

    .stat-item:last-child {
        border-bottom: none;
    }

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

    .stat-label {
        font-size: 0.75rem;
    }

    /* Cards Small Mobile */
    .card-body {
        padding: var(--spacing-md);
    }

    /* Contact Info Small Mobile */
    .contact-info {
        padding: var(--spacing-lg);
    }

    /* Contact Form Small Mobile */
    .contact-form {
        padding: var(--spacing-md);
    }

    /* Footer Small Mobile */
    .footer {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }

    .footer h4 {
        font-size: 0.875rem;
    }

    /* Event/Project Info Box Override */
    .about-content > div[style] {
        padding: var(--spacing-md) !important;
    }

    /* Button wrapper on mobile */
    div[style*="display: flex"][style*="gap"] {
        flex-direction: column !important;
    }
}

/* ========================================
   Event Detail Page Styles
   ======================================== */
.event-info-box {
    background: var(--light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-xl);
}

.event-info-box h4 {
    margin-bottom: var(--spacing-md);
}

.event-info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.event-info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.event-info-item svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
    flex-shrink: 0;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

@media (max-width: 480px) {
    .event-info-box {
        padding: var(--spacing-md);
    }

    .event-info-item {
        flex-wrap: wrap;
        font-size: 0.875rem;
    }

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

    .action-buttons .btn {
        width: 100%;
        text-align: center;
    }
}

/* Animation classes */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Language Switcher
   ======================================== */

.lang-switcher {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.75rem;
    background: transparent;
    border: 1px solid var(--gray-lighter);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--dark);
    transition: all var(--transition-fast);
}

.lang-flag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.lang-flag svg {
    width: 22px;
    height: 16px;
    border-radius: 2px;
    box-shadow: 0 0 1px rgba(0, 0, 0, 0.3);
}

.lang-option .lang-flag svg {
    width: 24px;
    height: 18px;
}

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

.lang-code {
    font-weight: 600;
}

.lang-arrow {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.lang-switcher:hover .lang-arrow {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--white);
    border: 1px solid var(--gray-lighter);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1000;
    overflow: hidden;
}

.lang-switcher:hover .lang-dropdown,
.lang-switcher:focus-within .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    color: var(--dark);
    font-size: 0.875rem;
    transition: background var(--transition-fast);
}

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

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

.lang-option:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.lang-option:last-child {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* Lao Font Support */
html[lang="lo"] body,
html[lang="lo"] .nav-link,
html[lang="lo"] .nav-dropdown a,
html[lang="lo"] h1, html[lang="lo"] h2, html[lang="lo"] h3, html[lang="lo"] h4,
html[lang="lo"] .btn,
html[lang="lo"] .footer-links a {
    font-family: 'Noto Sans Lao', 'Phetsarath OT', 'Inter', sans-serif;
}

/* RTL Support (if needed) */
html[dir="rtl"] .header-inner {
    flex-direction: row-reverse;
}

@media (max-width: 768px) {
    .header-right {
        gap: 0.25rem;
    }

    .lang-btn {
        padding: 0.375rem 0.625rem;
    }

    .lang-btn .lang-flag svg {
        width: 20px;
        height: 14px;
    }

    .lang-code {
        font-size: 0.75rem;
    }

    .lang-arrow {
        width: 14px;
        height: 14px;
    }

    .lang-dropdown {
        right: -0.5rem;
        min-width: 130px;
    }

    .lang-option .lang-flag svg {
        width: 22px;
        height: 16px;
    }
}