/**
 * Education for Life - Professional Corporate Stylesheet
 * Theme: Clean, modern, business-appropriate design
 * Color Scheme: Professional oranges and grays with high contrast
 */

/* ============================================================
   CSS VARIABLES - Design System
   ============================================================ */
:root {
    /* Colors - Matching Education for Life */
    --primary-orange: #f9a02c;
    --primary-orange-dark: #d88a1f;
    --primary-orange-light: #ffb347;
    --accent-gold: #ca8a04;
    --accent-green: #16a34a;
    --accent-red: #dc2626;
    
    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #f1f5f9;
    --bg-tertiary: #e2e8f0;
    --bg-dark: #0f172a;
    --bg-overlay: rgba(15, 23, 42, 0.05);
    
    /* Text */
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --text-light: #ffffff;
    
    /* Borders */
    --border-color: #cbd5e1;
    --border-color-light: #e2e8f0;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Border Radius */
    --radius-sm: 0;
    --radius-md: 0;
    --radius-lg: 0;
    --radius-xl: 0;
    
    /* Shadows - Minimal */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 8px 16px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ============================================================
   RESET & BASE STYLES
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.65;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(1.875rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 1.875rem);
    font-weight: 600;
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

a {
    color: var(--primary-orange);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-weight: 500;
}

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

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

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

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */
.site-header {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0;
    height: 100%;
}

.site-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-orange);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    letter-spacing: -0.02em;
    transition: opacity var(--transition-fast);
    padding: var(--spacing-md) var(--spacing-lg);
    flex: 1;
}

.site-logo:hover {
    opacity: 0.7;
}

.site-logo-img {
    height: 100%;
    max-height: 80px;
    width: auto;
    display: block;
}

.site-logo-icon {
    font-size: 1.75rem;
}

.site-nav {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
}

.site-nav a {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    transition: color var(--transition-fast);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 2px solid transparent;
}

.site-nav a:hover {
    color: var(--primary-orange);
}

.site-nav a.active {
    color: var(--primary-orange);
    border-bottom-color: var(--primary-orange);
}

/* ============================================================
   LAYOUT CONTAINERS
   ============================================================ */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-wide {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: calc(var(--spacing-3xl) * 1.25) 0;
}

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

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title h2 {
    display: inline-block;
    position: relative;
    padding-bottom: var(--spacing-md);
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--primary-orange);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    background: var(--primary-orange);
    color: var(--text-light);
    padding: calc(var(--spacing-lg) * 2) 0;
    text-align: center;
}

.hero h1 {
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.hero p {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
    opacity: 0.95;
    line-height: 1.6;
    font-weight: 400;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: calc(var(--spacing-3xl) * 1.5);
    margin-top: var(--spacing-3xl);
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
    min-width: 140px;
}

.hero-stat-number {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--text-light);
    display: block;
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.hero-stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: var(--spacing-2xl);
    transition: border-color var(--transition-fast);
    height: 100%;
}

.card:hover {
    border-color: var(--primary-orange);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color-light);
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 0;
    color: var(--primary-orange);
}

.card-body {
    margin-bottom: var(--spacing-lg);
}

.card-footer {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color-light);
}

/* ============================================================
   GRID LAYOUTS
   ============================================================ */
.grid {
    display: grid;
    gap: var(--spacing-xl);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: 2px solid currentColor;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary {
    background-color: var(--primary-orange);
    color: var(--text-light);
    border-color: var(--primary-orange);
}

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

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

.btn-secondary:hover {
    background-color: var(--primary-orange);
    color: var(--text-light);
}

.btn-success {
    background-color: var(--accent-green);
    color: var(--text-light);
    border-color: var(--accent-green);
}

.btn-success:hover {
    background-color: #15803d;
    border-color: #15803d;
}

.btn-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ============================================================
   COUNTRY LIST
   ============================================================ */
.country-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.country-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    transition: border-color var(--transition-fast);
}

.country-item:hover {
    border-color: var(--primary-orange);
}

.country-link {
    display: block;
    padding: var(--spacing-2xl);
    color: var(--text-primary);
    text-decoration: none;
}

.country-link:hover {
    text-decoration: none;
}

.country-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.country-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color-light);
}

.country-code {
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8125rem;
}

.school-count {
    background: var(--primary-orange);
    color: var(--text-light);
    padding: var(--spacing-xs) var(--spacing-md);
    font-weight: 600;
    font-size: 0.8125rem;
}

/* ============================================================
   SCHOOL CARDS - Modern Design with Images
   ============================================================ */
.school-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
}

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

/* School Image Section */
.school-image {
    position: relative;
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: linear-gradient(135deg, #f9a02c 0%, #ffb347 100%);
}

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

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

.school-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
    padding: var(--spacing-lg);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

.school-country-badge {
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.8125rem;
    font-weight: 600;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Placeholder for schools without images */
.school-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(249, 160, 44, 0.1) 0%, rgba(255, 179, 71, 0.15) 100%);
    position: relative;
}

.school-placeholder-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.school-placeholder-icon {
    width: 64px;
    height: 64px;
    color: var(--primary-orange);
    opacity: 0.3;
}

.school-image-placeholder .school-country-badge {
    background: var(--primary-orange);
    color: var(--text-light);
    border: none;
}

/* School Content Section */
.school-content {
    padding: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.school-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color-light);
}

.school-name {
    font-size: 1.375rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.school-address {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.school-address svg {
    flex-shrink: 0;
    margin-top: 2px;
    opacity: 0.7;
}

/* School Details with Icons */
.school-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    flex-grow: 1;
}

.detail-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.detail-icon {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--primary-orange);
    opacity: 0.8;
}

.detail-item > div {
    flex: 1;
}

.detail-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.detail-value {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.9rem;
}

.detail-value a {
    word-break: break-all;
    font-weight: 600;
    color: var(--primary-orange);
    transition: color var(--transition-fast);
}

.detail-value a:hover {
    color: var(--primary-orange-light);
    text-decoration: underline;
}

/* ============================================================
   AMBASSADOR LIST
   ============================================================ */
.ambassador-list {
    display: grid;
    gap: var(--spacing-lg);
}

.ambassador-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.ambassador-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-orange);
}

.ambassador-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.ambassador-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-orange);
}

.ambassador-schools-count {
    background: var(--primary-orange);
    color: var(--text-light);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
}

.ambassador-info {
    display: grid;
    gap: var(--spacing-sm);
    font-size: 0.95rem;
}

.ambassador-info-item {
    display: flex;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
}

.ambassador-info-item strong {
    min-width: 80px;
    color: var(--text-primary);
}

/* ============================================================
   BREADCRUMBS
   ============================================================ */
.breadcrumbs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-md) 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.breadcrumbs a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
    color: var(--primary-orange);
}

.breadcrumbs span {
    color: var(--text-muted);
    font-weight: 400;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-3xl);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    list-style: none;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-light);
    opacity: 0.8;
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: opacity var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
}

.copyright {
    opacity: 0.6;
    font-size: 0.875rem;
    margin-top: var(--spacing-lg);
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.mt-1 { margin-top: var(--spacing-md); }
.mt-2 { margin-top: var(--spacing-lg); }
.mt-3 { margin-top: var(--spacing-xl); }

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

.p-1 { padding: var(--spacing-md); }
.p-2 { padding: var(--spacing-lg); }
.p-3 { padding: var(--spacing-xl); }

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */
@media (max-width: 768px) {
    .site-header .container {
        flex-direction: column;
        text-align: center;
    }
    
    .site-nav {
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
    }
    
    .site-nav a {
        display: block;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .country-list {
        grid-template-columns: 1fr;
    }
    
    .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .school-image {
        height: 200px;
    }
    
    .school-content {
        padding: var(--spacing-lg);
    }
    
    .detail-item {
        flex-direction: row;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }
    
    .container,
    .container-wide {
        padding: 0 var(--spacing-md);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .school-image {
        height: 180px;
    }
    
    .school-name {
        font-size: 1.25rem;
    }
}