:root {
    /* Color Palette */
    --md-sys-color-primary: #0056d6;
    --md-sys-color-on-primary: #ffffff;
    --md-sys-color-accent: #ff6d00;
    --md-sys-color-accent-muted: rgba(255, 109, 0, 0.15);
    --md-sys-color-primary-muted: rgba(0, 86, 214, 0.1);
    


    --md-sys-color-surface: #ffffff;



    --md-sys-color-surface-dim: #f1f3f9;
    --md-sys-color-surface-variant: #e1e2ec;
    --md-sys-color-on-surface: #1a1b1f;
    --md-sys-color-on-surface-variant: #44474e;
    --md-sys-color-outline: #c4c6cf;
    --radius-m: 12px;
    --radius-xl: 24px; 
    --font-main: 'Inter', sans-serif;
}


* { 
    margin: 0; 
    padding: 0; 
    border: none;
    box-sizing: border-box; 
}

html {
    z-index:1;
    scroll-behavior: smooth; 
    width: 100%;
    height: 100%;
  
}

body {
    z-index: 0;
    width: 100%;
    height: 100%;
    background-color: var(--md-sys-color-surface);
    color: var(--md-sys-color-on-surface);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        linear-gradient(var(--md-sys-color-surface-variant) 1px, transparent 1px),
        linear-gradient(90deg, var(--md-sys-color-surface-variant) 1px, transparent 1px);
    background-size: 40px 40px;
    background-attachment: fixed;
}

/* --- Navigation --- */
nav {
    position: sticky; 
    top: 0; 
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 8%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 2px solid var(--md-sys-color-primary-muted);
}

.logo { 
    font-weight: 800; 
    font-size: 1.4rem; 
    display: flex; 
    align-items: center; 
    gap: 12px; 
    color: var(--md-sys-color-primary);
    text-decoration: none;
}
    
.logo img {
    height: 44px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 8px;
    list-style: none;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-links a {
    text-decoration: none; 
    color: var(--md-sys-color-on-surface-variant);
    font-size: 0.9rem; 
    font-weight: 600; 
    padding: 10px 18px;
    border-radius: var(--radius-m); 
    transition: all 0.2s ease;
}

.nav-links a:hover { 
    color: var(--md-sys-color-primary); 
    background: var(--md-sys-color-primary-muted); 
}

/* --- Hero Section --- */
.hero {
    padding: 100px 8%;
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    justify-content: center;
    text-align: center; 
    min-height: calc(100vh - 80px);
    max-width: 1200px; 
    margin: 0 auto; 
    position: relative;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.8rem);
    font-weight: 800; 
    letter-spacing: -0.04em; 
    margin-bottom: 24px;
    line-height: 1; 
}

.hero h1 span.blue { 
    color: var(--md-sys-color-primary); 
}

.hero h1 span.orange { 
    color: var(--md-sys-color-accent); 
}

.hero p {
    font-size: 1.35rem; 
    color: var(--md-sys-color-on-surface-variant);
    max-width: 750px; 
    margin: 0 auto 48px auto; 
}

.hero-bg-glow {
    position: absolute; 
    top: 50%; 
    left: 50%; 
    transform: translate(-50%, -50%);
    width: 70vw; 
    height: 70vh;
    background: radial-gradient(circle, var(--md-sys-color-primary-muted) 0%, transparent 60%);
    z-index: -1; 
    opacity: 0.6;
}

/* --- Buttons --- */
.btn {
    padding: 16px 36px; 
    border-radius: var(--radius-m);
    text-decoration: none; 
    font-weight: 700; 
    font-size: 1.05rem;
    display: inline-flex; 
    align-items: center; 
    gap: 12px;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-primary { 
    background: var(--md-sys-color-primary); 
    color: white;
    box-shadow: 0 4px 0 #003a8f;
}

.btn-primary:hover { 
    background: var(--md-sys-color-accent); 
    box-shadow: 0 6px 0 #cc5700;
    transform: translateY(-4px);
}

.btn-outline {
    border: 2px solid var(--md-sys-color-primary);
    color: var(--md-sys-color-primary);
}

.btn-outline:hover {
    background: var(--md-sys-color-primary-muted);
    transform: translateY(-2px);
}

/* --- Section Formatting --- */
section { 
    padding: 120px 8%; 
}

.section-title { 
    font-size: 3rem; 
    font-weight: 800; 
    margin-bottom: 60px; 
    text-align: center; 
    color: var(--md-sys-color-on-surface);
}

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

.section-title i { 
    color: var(--md-sys-color-accent); 
    font-style: normal; 
}

/* --- About/Mission Box --- */
.mission-box {
    background: white;
    border: 1px solid var(--md-sys-color-outline);
    border-left: 8px solid var(--md-sys-color-primary);
    border-right: 8px solid var(--md-sys-color-accent);
    padding: 60px; 
    border-radius: var(--radius-xl);
    max-width: 1000px; 
    margin: 0 auto;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
}

.mission-highlight {
    font-size: 1.8rem; 
    font-weight: 700; 
    margin-bottom: 24px;
}

.mission-highlight b { 
    color: var(--md-sys-color-primary); 
}

.mission-highlight u { 
    text-decoration-color: var(--md-sys-color-accent); 
}

/* --- Grids (Team & Sponsors) --- */
.team-grid, .sponsor-grid { 
    display: grid; 
    place-items: center;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); 
    gap: 40px; 
}

.team-card, .sponsor-card {
    background: white;
    border: 2px solid var(--md-sys-color-surface-variant);
    border-radius: var(--radius-xl);
    padding: 50px;
    transition: all 0.3s ease;
    position: relative;
}

.team-card:hover, .sponsor-card:hover {
    border-color: var(--md-sys-color-primary);
    box-shadow: 12px 12px 0 var(--md-sys-color-primary-muted), 0 15px 30px rgba(0,0,0,0.05);
    transform: translate(-4px, -4px);
}

.team-img, .sponsor-img {
    width: 140px; 
    height: 140px; 
    border-radius: 16px;
    object-fit: cover; 
    margin-bottom: 30px;
    border: 3px solid var(--md-sys-color-primary);
    box-shadow: 6px 6px 0 var(--md-sys-color-accent);
}

.team-card h3, .sponsor-card h3 { 
    font-size: 1.8rem; 
    margin-bottom: 12px; 
    font-weight: 800; 
}

.team-role { 
    color: var(--md-sys-color-primary); 
    font-weight: 800; 
    font-size: 0.9rem; 
    text-transform: uppercase;
    letter-spacing: 0.1em; 
    margin-bottom: 20px;
    display: inline-block; 
    border-bottom: 2px solid var(--md-sys-color-accent);
}

/* --- FAQ Accordion --- */
.faq-container { 
    max-width: 850px; 
    margin: 0 auto; 
    display: flex; 
    flex-direction: column; 
    gap: 16px; 
}

.faq-item { 
    background: white; 
    border: 1px solid var(--md-sys-color-outline);
    border-radius: var(--radius-m); 
    overflow: hidden;
    transition: 0.2s;
}

.faq-trigger {
    width: 100%; 
    padding: 24px 30px; 
    display: flex; 
    justify-content: space-between;
    align-items: center; 
    background: none; 
    border: none; 
    cursor: pointer;
    font-size: 1.2rem; 
    font-weight: 700; 
    text-align: left;
    color: var(--md-sys-color-on-surface);
}

.faq-icon {
    color: var(--md-sys-color-accent); 
    font-weight: 900; 
    font-size: 1.4rem;
}

.faq-item.active { 
    border-color: var(--md-sys-color-primary); 
    border-width: 2px; 
}

.faq-content { 
    max-height: 0; 
    overflow: hidden; 
    transition: all 0.3s ease; 
    padding: 0 30px; 
    color: var(--md-sys-color-on-surface-variant); 
}

.faq-item.active .faq-content { 
    max-height: 300px; 
    padding-bottom: 24px; 
}

/* --- Footer --- */
footer {
    padding: 100px 8%; 
    background: #08090b; 
    color: white;
    display: flex; 
    justify-content: space-between;
    border-top: 8px solid var(--md-sys-color-primary);
    position: relative;
}

footer::after {
    content: ''; 
    position: absolute; 
    top: -8px; 
    right: 0; 
    width: 30%; 
    height: 8px; 
    background: var(--md-sys-color-accent);
}

.footer-logo { 
    font-weight: 900; 
    font-size: 2.2rem; 
    margin-bottom: 12px; 
    display: flex; 
    align-items: center; 
    gap: 12px; 
}

.footer-logo img {
    height: 50px;
}

.social-link {
    color: white; 
    text-decoration: none; 
    opacity: 0.7; 
    font-weight: 600;
    display: block; 
    margin-bottom: 12px; 
    transition: all 0.2s ease;
    width: fit-content;
}

.social-link:hover { 
    opacity: 1; 
    color: var(--md-sys-color-accent); 
    transform: translateX(8px); 
}

/* --- Responsive Layout --- */
@media (max-width: 768px) {
    nav { 
        padding: 0 5%; 
    }
    
    .nav-links { 
        display: none; 
    }
    
    .hero h1 { 
        font-size: 2.8rem; 
    }
    
    footer { 
        flex-direction: column; 
        gap: 60px; 
    }
}