/* CSS Variables for Clean, Bright Metallic Theme */
:root {
    --bg-main: #F4F6F9; /* Very light gray/silver */
    --bg-surface: #FFFFFF;
    --bg-card: #FFFFFF;
    
    --primary: #C1121F; /* Bold Frema Red */
    --primary-hover: #9E0E18;
    
    --text-main: #1D1E20; /* Very dark gray for readability */
    --text-muted: #5C677D;
    
    --border-color: #E2E8F0;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 20px 40px rgba(193, 18, 31, 0.15);
    
    /* English Font and Amharic Font fallback */
    --font-heading: 'Outfit', 'Noto Sans Ethiopic', sans-serif;
    --font-body: 'Inter', 'Noto Sans Ethiopic', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 6rem 0;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.2;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.section-title span {
    color: var(--primary);
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* Amharic & English Classes */
.amharic {
    font-family: 'Noto Sans Ethiopic', sans-serif;
    font-weight: 800;
    color: var(--primary);
}

.english {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--text-main);
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 0.875rem 2.5rem;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-weight: 800;
    text-transform: uppercase;
    font-size: 1rem;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary);
    color: #fff;
    box-shadow: 0 10px 20px rgba(193, 18, 31, 0.2);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 15px 25px rgba(193, 18, 31, 0.3);
}

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

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

/* Navbar */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--transition);
    background: var(--bg-surface);
    box-shadow: var(--shadow);
}

#navbar.scrolled {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    border-radius: 50%;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--text-main);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    font-weight: 600;
    transition: var(--transition);
    color: var(--text-main);
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
}

.menu-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-main);
    transition: var(--transition);
    border-radius: 3px;
}

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 100%);
    text-align: center;
    border-bottom: 4px solid var(--primary);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.amharic-title {
    font-size: clamp(2rem, 5vw, 4rem);
    color: var(--primary);
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.english-title {
    font-size: clamp(1.5rem, 4vw, 3rem);
    color: var(--text-main);
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-inline: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Materials Section */
.material-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.material-card {
    background-color: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.material-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

.card-img-wrapper {
    height: 200px;
    overflow: hidden;
    background-color: #f8f9fa;
}

.card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.material-card:hover .card-img-wrapper img {
    transform: scale(1.05);
}

.card-content {
    padding: 1.5rem;
    text-align: center;
    border-top: 3px solid var(--primary);
}

.card-content h3 {
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
}

.card-content h4 {
    font-size: 1.1rem;
}

/* Call To Action */
.cta {
    background: var(--primary);
    color: white;
    text-align: center;
}

.cta-container h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.cta-container p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: rgba(255,255,255,0.9);
}

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

.cta .btn-primary:hover {
    background: #f8f9fa;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* Footer */
.footer {
    background-color: #1a1a1a;
    color: white;
    padding: 5rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: #999;
    margin-top: 1.5rem;
}

.footer h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: white;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-list strong {
    color: var(--primary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-list a, .contact-list li {
    color: #ccc;
    transition: var(--transition);
}

.contact-list a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #666;
    font-size: 0.875rem;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.appear {
    opacity: 1;
    transform: translate(0, 0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: auto;
        background-color: var(--bg-surface);
        flex-direction: column;
        padding: 2rem;
        transition: 0.5s ease;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
}