/**
 * The Cowgill Foundation - Premium Design System
 * Modern, accessible, and engaging design for a charitable organization
 */

/* ================================
   IMPORTS & RESET
   ================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

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

/* ================================
   CSS VARIABLES - DESIGN TOKENS
   ================================ */
:root {
    /* Colors - Primary Palette */
    --color-primary: #1e3a8a;
    --color-primary-light: #3b82f6;
    --color-primary-dark: #1e40af;
    --color-primary-rgb: 30, 58, 138;
    
    /* Colors - Accent */
    --color-accent: #f59e0b;
    --color-accent-light: #fbbf24;
    --color-accent-dark: #d97706;
    
    /* Colors - Supporting */
    --color-success: #10b981;
    --color-success-light: #34d399;
    
    /* Colors - Neutrals */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    
    /* 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;
    
    /* Layout */
    --max-width: 1280px;
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 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-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* ================================
   BASE STYLES
   ================================ */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-gray-50);
    overflow-x: hidden;
}

/* ================================
   TYPOGRAPHY
   ================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: var(--text-5xl);
    font-weight: 800;
}

h2 {
    font-size: var(--text-4xl);
    font-weight: 700;
}

h3 {
    font-size: var(--text-3xl);
    font-weight: 600;
}

h4 {
    font-size: var(--text-2xl);
    font-weight: 600;
}

h5 {
    font-size: var(--text-xl);
    font-weight: 600;
}

h6 {
    font-size: var(--text-lg);
    font-weight: 600;
}

p {
    margin-bottom: var(--space-4);
}

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

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

/* ================================
   UTILITY BAR
   ================================ */
.utility-bar {
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
    color: var(--color-white);
    padding: var(--space-3) 0;
    font-size: var(--text-sm);
}

.utility-bar-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.utility-bar-left,
.utility-bar-right {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.utility-bar-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-gray-300);
}

.utility-bar-item i {
    color: var(--color-accent);
}

.utility-bar-item a {
    color: var(--color-gray-300);
}

.utility-bar-item a:hover {
    color: var(--color-white);
}

/* ================================
   HEADER & NAVIGATION
   ================================ */
.main-header {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-base);
}

.header-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-6) var(--space-4);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

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

.logo-name {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.logo-tagline {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin-top: var(--space-1);
}

/* Navigation */
.main-nav ul {
    list-style: none;
    display: flex;
    gap: var(--space-8);
    align-items: center;
}

.main-nav a {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: var(--text-base);
    color: var(--color-gray-700);
    transition: color var(--transition-fast);
    position: relative;
    padding: var(--space-2) 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-primary);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.cta-button {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: var(--color-white);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--border-radius);
    font-weight: 600;
    display: inline-block;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--text-2xl);
    color: var(--color-primary);
    cursor: pointer;
}

/* ================================
   HERO SECTION
   ================================ */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.95) 0%, rgba(30, 64, 175, 0.9) 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-16) var(--space-4);
    text-align: center;
    color: var(--color-white);
}

.hero h1 {
    color: var(--color-white);
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--space-6);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: var(--text-xl);
    max-width: 700px;
    margin: 0 auto var(--space-8);
    color: var(--color-gray-100);
    line-height: 1.8;
}

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

.btn-primary,
.btn-secondary {
    padding: var(--space-4) var(--space-8);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: var(--text-lg);
    display: inline-block;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    color: var(--color-white);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: var(--color-white);
    border-color: var(--color-white);
}

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

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

.section-gray {
    background-color: var(--color-white);
}

.section-white {
    background-color: var(--color-gray-50);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-16);
}

.section-subtitle {
    color: var(--color-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: var(--text-sm);
    margin-bottom: var(--space-3);
}

.section-title {
    font-size: var(--text-4xl);
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
}

.section-description {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
}

/* ================================
   CARDS & GRID
   ================================ */
.grid {
    display: grid;
    gap: var(--space-8);
}

.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));
}

.card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-3xl);
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.card-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
    color: var(--color-gray-900);
}

.card-text {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* Glass Card */
.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-lg);
    padding: var(--space-8);
}

/* ================================
   STATS / IMPACT SECTION
   ================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
}

.stat-item {
    text-align: center;
    padding: var(--space-6);
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.stat-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    font-weight: 500;
}

/* ================================
   FORMS
   ================================ */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-gray-700);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-4);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

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

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

.form-button {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--space-4) var(--space-8);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--text-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.form-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ================================
   FOOTER
   ================================ */
.main-footer {
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
    color: var(--color-gray-300);
    padding-top: var(--space-16);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-column h3 {
    color: var(--color-white);
    font-size: var(--text-xl);
    margin-bottom: var(--space-5);
}

.footer-column p {
    line-height: 1.8;
    margin-bottom: var(--space-4);
}

.footer-column ul {
    list-style: none;
}

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

.footer-column a {
    color: var(--color-gray-300);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-accent);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.footer-contact-item i {
    color: var(--color-accent);
    margin-top: var(--space-1);
}

.trust-badge {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: var(--space-4);
    margin-top: var(--space-4);
}

.trust-badge-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-2) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.trust-badge-label {
    color: var(--color-gray-400);
    font-size: var(--text-sm);
}

.trust-badge-value {
    color: var(--color-white);
    font-weight: 600;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-6) 0;
}

.footer-bottom-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
    text-align: center;
}

.footer-bottom a {
    color: var(--color-gray-300);
    margin-left: var(--space-4);
}

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

/* ================================
   RESPONSIVE DESIGN
   ================================ */
@media (max-width: 1024px) {
    :root {
        --text-5xl: 2.5rem;
        --text-4xl: 2rem;
        --text-3xl: 1.75rem;
    }
    
    .header-content {
        padding: var(--space-4);
    }
}

@media (max-width: 768px) {
    .utility-bar-content {
        justify-content: center;
        text-align: center;
    }
    
    .utility-bar-left,
    .utility-bar-right {
        width: 100%;
        justify-content: center;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--color-white);
        box-shadow: var(--shadow-lg);
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        padding: var(--space-4);
        gap: 0;
    }
    
    .main-nav li {
        width: 100%;
        border-bottom: 1px solid var(--color-gray-200);
    }
    
    .main-nav a {
        display: block;
        padding: var(--space-4);
    }
    
    .hero {
        min-height: 500px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-bottom a {
        margin-left: 0;
        margin-top: var(--space-2);
    }
}

@media (max-width: 480px) {
    :root {
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.5rem;
        --space-20: 3rem;
        --space-16: 2.5rem;
    }
    
    .logo-name {
        font-size: var(--text-xl);
    }
    
    .logo-tagline {
        font-size: var(--text-xs);
    }
    
    .hero-content {
        padding: var(--space-12) var(--space-4);
    }
}

/* ================================
   ANIMATIONS
   ================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ================================
   ACCESSIBILITY
   ================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus styles */
*:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-primary: #000080;
        --color-accent: #cc7700;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}