/* ==========================================================================
   CSS Variables & Theme
   ========================================================================== */
:root {
    /* Dyslexia-friendly color palette: low contrast background, high legibility text */
    --color-bg: #FAFAFA;       /* Off-white */
    --color-bg-light: #F0F4F8; /* Soft blue-grey for alternate sections */
    --color-text: #2D3748;     /* Dark charcoal (not pure black) */
    --color-text-muted: #4A5568; 
    
    /* Vibrant Teal accent for highlights and primary CTAs */
    --color-accent: #00A896;   
    --color-accent-hover: #028C7D;
    
    --color-secondary: #FF9F1C; /* Bright orange for secondary actions */
    --color-secondary-hover: #E38D18;
    
    --font-primary: 'Lexend', system-ui, -apple-system, sans-serif;
    
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    
    --border-radius: 12px;
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px rgba(0,0,0,0.05), 0 1px 3px rgba(0,0,0,0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6; /* Increased line-height for better readability */
    letter-spacing: 0.02em; /* Slight letter spacing helps dyslexic readers */
    font-size: 1.125rem; /* 18px base size */
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    font-weight: 600;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: var(--spacing-lg);
    max-width: 65ch; /* Limit line length to ~65 characters for readability */
}

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

a:hover, a:focus {
    color: var(--color-accent-hover);
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
}

/* Accessibility - Focus states */
:focus-visible {
    outline: 3px solid var(--color-secondary);
    outline-offset: 3px;
}

.accent {
    color: var(--color-accent);
}

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    border: none;
    text-decoration: none !important;
}

.btn-primary {
    background-color: var(--color-accent);
    color: white;
    box-shadow: 0 4px 14px rgba(0, 168, 150, 0.4);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--color-accent-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 168, 150, 0.5);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-text);
}

.btn-secondary:hover, .btn-secondary:focus {
    background-color: var(--color-text);
    color: var(--color-bg);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
    background-color: rgba(250, 250, 250, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text);
    text-decoration: none !important;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: var(--color-accent);
    color: white;
    border-radius: 8px;
    font-weight: bold;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.main-nav a {
    color: var(--color-text);
    font-weight: 500;
    padding: 0.5rem 0;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    position: relative;
    transition: var(--transition);
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: var(--color-text);
    left: 0;
    transition: var(--transition);
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

.mobile-menu-toggle.is-active .hamburger {
    background-color: transparent;
}

.mobile-menu-toggle.is-active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-toggle.is-active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    padding: var(--spacing-xl) 0;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

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

.hero-text p {
    font-size: 1.25rem;
    color: var(--color-text-muted);
}

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

.hero-image-wrapper {
    position: relative;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: 24px;
    box-shadow: var(--shadow);
    position: relative;
    z-index: 2;
    object-fit: cover;
    aspect-ratio: 4/3;
}

.decorative-blob {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 120%;
    height: 120%;
    background: linear-gradient(135deg, rgba(0, 168, 150, 0.2), rgba(0, 168, 150, 0.05));
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    z-index: 1;
    animation: blob-bounce 10s infinite alternate ease-in-out;
}

@keyframes blob-bounce {
    0% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; transform: rotate(0deg); }
    100% { border-radius: 50% 50% 30% 70% / 50% 50% 70% 30%; transform: rotate(10deg) scale(1.05); }
}

/* ==========================================================================
   Sections
   ========================================================================== */
section {
    padding: var(--spacing-xl) 0;
}

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

.section-header p {
    margin: 0 auto;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.about-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid var(--color-accent);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

/* Workplace Section */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.rounded-image {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.feature-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.feature-list li {
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-left: 2rem;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--color-accent);
    font-weight: bold;
}

/* Resources Section */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.resource-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.card-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card-content p {
    flex-grow: 1;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    font-weight: 600;
    margin-top: var(--spacing-md);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background-color: #1A202C; /* Very dark blue/grey */
    color: #E2E8F0;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.site-footer a {
    color: #E2E8F0;
}

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

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

.footer-logo {
    color: white;
    margin-bottom: var(--spacing-md);
}

.footer-col h4 {
    color: white;
    margin-bottom: var(--spacing-md);
}

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

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

.footer-col p {
    color: #A0AEC0;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--spacing-md);
    color: #A0AEC0;
    font-size: 0.875rem;
}

/* ==========================================================================
   Animations (Intersection Observer)
   ========================================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Prevent animations if user prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .fade-in {
        opacity: 1;
        transform: none;
    }
}

/* ==========================================================================
   Media Queries
   ========================================================================== */
@media (max-width: 900px) {
    .hero-content, .split-layout {
        grid-template-columns: 1fr;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image-wrapper {
        margin-top: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: rgba(250, 250, 250, 0.98);
        box-shadow: 0 10px 15px rgba(0,0,0,0.05);
        padding: var(--spacing-md) var(--spacing-lg);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
        z-index: 999;
    }
    
    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .main-nav a {
        display: block;
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid rgba(0,0,0,0.05);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
        min-height: auto;
    }
    
    section {
        padding: var(--spacing-lg) 0;
    }
}