:root {
    --bg: #010204;
    --accent: #0070ff;
    --accent-glow: rgba(0, 112, 255, 0.4);
    --glass: rgba(255, 255, 255, 0.04);
    --border: rgba(255, 255, 255, 0.1);
    --text: #ffffff;
    --dim: #a0a0b0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { 
    background: var(--bg); 
    color: var(--text); 
    font-family: 'Plus Jakarta Sans', sans-serif; 
    line-height: 1.7;
    overflow-x: hidden;
}

/* --- THE VISUAL ENGINE (HEAVY CSS) --- */
.visual-engine { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; overflow: hidden; }
.orb { position: absolute; border-radius: 50%; filter: blur(120px); opacity: 0.18; animation: float 25s infinite alternate ease-in-out; }
.orb-1 { width: 600px; height: 600px; background: var(--accent); top: -150px; right: -150px; }
.orb-2 { width: 450px; height: 450px; background: #5000ff; bottom: -100px; left: -100px; animation-delay: -5s; }
.orb-3 { width: 300px; height: 300px; background: #00d4ff; top: 30%; left: 20%; opacity: 0.05; }
.grid-overlay { position: absolute; inset: 0; background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px); background-size: 60px 60px; opacity: 0.12; mask-image: radial-gradient(circle, black, transparent 90%); }

@keyframes float { from { transform: translate(0, 0); } to { transform: translate(60px, 100px); } }

/* --- CENTERED NAVBAR (DESKTOP & MOBILE) --- */
.navbar { 
    padding: 30px 0; 
    background: rgba(1, 2, 4, 0.9); 
    backdrop-filter: blur(25px); 
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 1000;
}
.nav-flex { 
    display: flex; 
    flex-direction: column; /* Force stack for centering */
    align-items: center; 
    gap: 20px;
}
.logo { font-size: 1.5rem; font-weight: 800; letter-spacing: -1.5px; text-transform: uppercase; }
.accent { color: var(--accent); text-shadow: 0 0 15px var(--accent-glow); }

.nav-links { display: flex; list-style: none; gap: 35px; }
.nav-links a { text-decoration: none; color: var(--dim); font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.15em; transition: 0.3s; }
.nav-links a:hover { color: #fff; text-shadow: 0 0 10px var(--accent); }

/* --- HERO --- */
.hero { padding: 160px 0 120px; text-align: center; }
.hero h1 { font-size: clamp(3rem, 11vw, 5.8rem); line-height: 0.95; margin-bottom: 35px; font-family: 'Space Grotesk'; font-weight: 700; letter-spacing: -4px; }
.glow-text { color: #fff; text-shadow: 0 0 50px var(--accent-glow); }
.hero-desc { font-size: 1.25rem; color: var(--dim); max-width: 800px; margin: 0 auto 50px; font-weight: 300; }

/* GHOST BUTTONS (NOT HIGHLIGHTED BY DEFAULT) */
.hero-btns { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
.btn { padding: 22px 50px; border-radius: 4px; font-weight: 800; text-decoration: none; transition: 0.4s; font-size: 1rem; min-width: 200px; letter-spacing: 1px; }
.btn-ghost { border: 1px solid var(--border); color: #fff; background: rgba(255,255,255,0.03); }
.btn:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-5px); box-shadow: 0 15px 40px var(--accent-glow); }

/* --- MISSION --- */
.mission { padding: 100px 0; }
.glass-card { background: var(--glass); border: 1px solid var(--border); backdrop-filter: blur(20px); padding: 70px 50px; border-radius: 32px; text-align: center; }
.card-tag { color: var(--accent); font-size: 0.8rem; font-weight: 800; margin-bottom: 25px; letter-spacing: 5px; }
.card-divider { width: 60px; height: 3px; background: var(--accent); margin: 30px auto; border-radius: 10px; }

/* --- WHY US --- */
.why-us { padding: 120px 0; }
.section-title { font-size: 3rem; text-align: center; margin-bottom: 80px; font-family: 'Space Grotesk'; letter-spacing: -2px; }
.value-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 35px; }
.v-card { border: 1px solid var(--border); padding: 60px 40px; border-radius: 20px; background: rgba(255,255,255,0.02); transition: 0.4s; }
.v-card:hover { border-color: var(--accent); background: rgba(0, 112, 255, 0.06); transform: translateY(-10px); }
.v-icon { font-size: 3rem; color: var(--accent); margin-bottom: 30px; }

/* --- YOUTUBE BOX --- */
.youtube-hub { padding: 120px 0; }
.broadcast-box { background: linear-gradient(155deg, #001e4d, #000); border: 2px solid var(--accent); border-radius: 30px; padding: 100px 50px; text-align: center; box-shadow: 0 0 60px var(--accent-glow); }
.yt-link { font-size: 1.2rem; color: #fff; text-decoration: none; font-weight: 800; margin-top: 40px; display: inline-block; border-bottom: 4px solid var(--accent); padding-bottom: 10px; }

/* --- FOOTER --- */
.footer { padding: 100px 0; border-top: 1px solid var(--border); }
.footer-grid { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 40px; }

/* --- MOBILE ADJUSTMENTS --- */
@media (max-width: 900px) {
    .nav-links { flex-wrap: wrap; justify-content: center; gap: 20px; }
    .hero { padding: 100px 0; }
    .btn { width: 100%; }
    .footer-grid { justify-content: center; text-align: center; }
}
/* --- PORTAL HEADER REFINEMENT --- */
.portal-header { 
    padding: 120px 0 60px; 
    text-align: center; 
}

/* --- DOUBT FORM STYLING --- */
.doubt-form-wrap {
    max-width: 850px;
    margin: 0 auto;
    text-align: left;
    border: 1px solid var(--border);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.portal-form { 
    display: flex; 
    flex-direction: column; 
    gap: 30px; 
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.input-group { 
    display: flex; 
    flex-direction: column; 
    gap: 10px; 
}

/* LABELS: Technical & Sharp */
.input-group label {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* INPUT FIELDS: Glassmorphism Style */
.portal-form input, 
.portal-form textarea, 
.styled-select {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    padding: 18px;
    border-radius: 4px;
    color: #fff;
    font-size: 0.95rem;
    font-family: 'Plus Jakarta Sans', sans-serif;
    transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.portal-form input:focus, 
.portal-form textarea:focus,
.styled-select:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(0, 112, 255, 0.05);
    box-shadow: 0 0 20px rgba(0, 112, 255, 0.2);
}

/* Dropdown Arrow Fix */
.styled-select {
    cursor: pointer;
    appearance: none; /* Removes default OS styling */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: calc(100% - 20px) center;
}

/* --- SOLVED ARCHIVE GRID --- */
.solved-archive { 
    padding: 120px 0; 
    background: rgba(0, 0, 0, 0.3); 
}

.solved-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.solved-card {
    padding: 45px;
    text-align: left;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.01);
    transition: 0.4s ease;
}

.solved-card:hover {
    transform: translateY(-12px);
    border-color: var(--accent);
    background: rgba(0, 112, 255, 0.04);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card-status {
    font-size: 0.65rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 3px;
    margin-bottom: 20px;
}

.solved-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    font-family: 'Space Grotesk';
}

.dim-text {
    font-size: 0.95rem;
    color: var(--dim);
    margin-bottom: 25px;
    line-height: 1.6;
}

.card-divider-small {
    width: 40px;
    height: 3px;
    background: var(--accent);
    margin-bottom: 25px;
    border-radius: 10px;
}

.view-logic {
    font-size: 0.8rem;
    font-weight: 800;
    text-decoration: none;
    color: #fff;
    letter-spacing: 1.5px;
    transition: 0.3s;
}

.view-logic:hover {
    color: var(--accent);
    padding-left: 8px;
}

/* --- MOBILE RESPONSIVENESS --- */
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .doubt-form-wrap {
        padding: 40px 25px;
    }

    .solved-archive {
        padding: 80px 0;
    }
}
/* --- SEARCH UI --- */
.archive-header {
    text-align: center;
    margin-bottom: 60px;
}

.search-container {
    max-width: 600px;
    margin: 30px auto 0;
}

.search-wrapper {
    display: flex;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 5px;
    transition: 0.3s;
}

.search-wrapper:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(0, 112, 255, 0.15);
}

.search-wrapper input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 15px 20px;
    color: #fff;
    font-family: 'Plus Jakarta Sans', sans-serif;
    outline: none;
    font-size: 0.9rem;
}

.search-btn {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 0 30px;
    border-radius: 2px;
    font-weight: 800;
    font-size: 0.75rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: 0.3s;
}

.search-btn:hover {
    background: #0056cc;
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Mobile Search Fix */
@media (max-width: 500px) {
    .search-wrapper {
        flex-direction: column;
        gap: 10px;
        background: transparent;
        border: none;
    }
    .search-wrapper input {
        background: rgba(255, 255, 255, 0.02);
        border: 1px solid var(--border);
        border-radius: 4px;
    }
    .search-btn {
        padding: 15px;
    }
    
}
.video-section {
    padding-block: 40px;
}

.category-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
    color: var(--accent);
    border-bottom: 1px solid rgba(0, 255, 170, 0.2);
    padding-bottom: 10px;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
}