:root {
    --ha-bg: #040707;
    --ha-cyan: #22d3ee;
    --ha-blue: #3a7bd5;
    --ha-red: #ef4444;
    --ha-purple: #a855f7;
    --ha-amber: #fbbf24;
    --ha-green: #22c55e;
}

body { 
    background-color: var(--ha-bg); 
    color: #e2e8f0; 
    font-family: 'Inter', sans-serif;
    background-image: radial-gradient(circle at 50% -20%, #1e293b 0%, var(--ha-bg) 80%);
    background-attachment: fixed;
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.glass { 
    background: rgba(255, 255, 255, 0.02); 
    backdrop-filter: blur(15px); 
    border: 1px solid rgba(255, 255, 255, 0.05); 
    transition: all 0.4s ease; 
}

.brutal-card {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 2.5rem;
    padding: 2rem;
    transition: all 0.4s ease;
}

.brutal-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.04);
    transform: translateY(-5px);
}

.nav-link {
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 11px;
    color: #94a3b8;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--ha-cyan);
}

.nav-link.active {
    color: var(--ha-cyan);
    position: relative;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--ha-cyan);
    box-shadow: 0 0 8px var(--ha-cyan);
}

.text-neon { 
    color: #fff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5), 0 0 20px rgba(34, 211, 238, 0.3);
}
.text-neon-cyan { color: var(--ha-cyan); text-shadow: 0 0 15px rgba(34, 211, 238, 0.6); }

.btn-action { 
    background: linear-gradient(90deg, var(--ha-cyan) 0%, var(--ha-blue) 100%); 
    box-shadow: 0 5px 20px rgba(34, 211, 238, 0.4);
    transition: all 0.3s ease;
}
.btn-action:hover { box-shadow: 0 8px 25px rgba(34, 211, 238, 0.6); transform: translateY(-3px); }

.code-block {
    background: #000;
    padding: 1.5rem;
    border-radius: 1rem;
    font-family: 'monospace';
    border: 1px solid var(--ha-cyan);
    color: var(--ha-cyan);
    margin: 1rem 0;
    font-size: 0.9rem;
    overflow-x: auto;
}

.step-number {
    background: var(--ha-cyan);
    color: black;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-weight: 900;
    margin-right: 12px;
    flex-shrink: 0;
}

.btn-social { transition: all 0.3s ease; color: #94a3b8; }
.btn-social:hover { color: #fff; transform: translateX(5px); }

.hidden { display: none; }
.active-page { display: block; animation: fadeInPage 0.8s ease; }
@keyframes fadeInPage { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.leading-brutal { line-height: 1.1; letter-spacing: -0.02em; }

.flash-step {
    position: relative;
    padding-left: 3rem;
    border-left: 2px solid rgba(34, 211, 238, 0.2);
    padding-bottom: 3rem;
}
.flash-step::before {
    content: '';
    position: absolute;
    left: -9px;
    top: 0;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--ha-cyan);
    box-shadow: 0 0 15px var(--ha-cyan);
}

.link-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 1rem;
    border-radius: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: all 0.3s ease;
}
.link-card:hover { border-color: var(--ha-cyan); background: rgba(34, 211, 238, 0.05); }

.lexique-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--ha-cyan), var(--ha-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.proto-badge {
    font-size: 10px;
    font-weight: 900;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}