:root {
    --obsidian: #0a0b0d;
    --terminal: #00ff41;
    --slate-blue: #1e293b;
    --slate: #94a3b8;
    --line: rgba(0, 255, 65, 0.1);
    --panel: #121418;
}

* { box-sizing: border-box; }

body, html {
    margin: 0; padding: 0;
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    background-color: var(--obsidian);
    color: #cbd5e1;
    overflow-x: hidden;
}

/* ── Index: Network pulse background ─────────────── */

.network-bg {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1;
    background-image: radial-gradient(var(--slate-blue) 1px, transparent 1px);
    background-size: 40px 40px;
}

.pulse {
    position: absolute; width: 4px; height: 4px;
    background: var(--terminal); border-radius: 50%;
    box-shadow: 0 0 10px var(--terminal);
    animation: moveNode 15s linear infinite;
}

@keyframes moveNode {
    0%   { top: 10%; left: 0%; opacity: 0; }
    50%  { opacity: 1; }
    100% { top: 90%; left: 100%; opacity: 0; }
}

/* ── Index: Navigation ───────────────────────────── */

nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 30px 8%; position: relative; z-index: 10;
    border-bottom: 1px solid var(--line);
}

.logo {
    font-weight: 800; font-size: 1.4rem;
    letter-spacing: -1px; text-transform: uppercase;
    color: white;
}

.logo span { color: var(--terminal); }

.nav-link {
    color: var(--obsidian); text-decoration: none;
    font-size: 0.75rem; font-weight: 800;
    text-transform: uppercase; letter-spacing: 2px;
    padding: 12px 28px; background: var(--terminal);
    clip-path: polygon(10% 0, 100% 0, 90% 100%, 0% 100%);
    transition: background 0.3s, transform 0.3s;
}

.nav-link:hover { background: white; transform: scale(1.05); }

/* ── Index: Hero ─────────────────────────────────── */

.hero {
    max-width: 1200px; margin: 0 auto;
    padding: 12vh 20px; text-align: left;
    position: relative; z-index: 1;
}

h1 {
    font-size: clamp(3rem, 12vw, 8rem); font-weight: 800;
    margin: 0; line-height: 0.9;
    text-transform: uppercase; letter-spacing: -2px;
    color: white;
}

.tagline {
    margin: 30px 0; font-size: 0.9rem;
    color: var(--terminal); font-weight: 500;
    letter-spacing: 5px; text-transform: uppercase;
}

/* ── Index: Command cards ────────────────────────── */

.ideas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px; margin-top: 60px;
}

.card {
    background: rgba(30, 41, 59, 0.4);
    padding: 30px; border-left: 4px solid var(--terminal);
    text-align: left; transition: background 0.3s, transform 0.3s;
}

.card:hover { background: rgba(0, 255, 65, 0.05); transform: translateX(10px); }

.card span {
    color: var(--terminal); font-size: 0.7rem;
    letter-spacing: 3px; display: block; margin-bottom: 15px;
}

.card h3 {
    font-size: 1.5rem; margin: 0 0 15px 0;
    color: white; text-transform: uppercase;
}

.card p { font-size: 1rem; line-height: 1.6; opacity: 0.7; margin: 0; color: #cbd5e1; }

/* ── Acquisition page ────────────────────────────── */

.acq-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
    position: relative; z-index: 1;
}

.console {
    width: 90%; max-width: 480px; padding: 40px;
    background: var(--panel);
    border: 1px solid var(--slate);
    border-top: 4px solid var(--terminal);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    position: relative;
}

.back {
    text-decoration: none; color: var(--terminal);
    font-size: 0.7rem; text-transform: uppercase; letter-spacing: 2px;
}

.acq-title {
    font-size: clamp(1.4rem, 5vw, 2rem);
    margin: 25px 0; font-weight: 800;
    color: white; text-transform: uppercase;
}

.info-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.info-row span {
    color: var(--slate);
    text-transform: uppercase; font-size: 0.65rem;
    font-weight: 800; letter-spacing: 2px;
}

.info-row b {
    color: var(--terminal); font-size: 1.1rem;
    text-shadow: 0 0 5px var(--terminal);
}

.btn-acq {
    display: block; background: var(--terminal); color: var(--obsidian);
    padding: 20px; text-align: center; text-decoration: none;
    margin-top: 40px; font-weight: 800;
    text-transform: uppercase; letter-spacing: 4px;
    transition: background 0.3s, transform 0.3s;
}

.btn-acq:hover { background: white; transform: translateY(-3px); }

.stamp-footer {
    margin-top: 40px; text-align: center;
    background: rgba(0, 255, 65, 0.05); padding: 15px;
}

.stamp-footer-text {
    color: var(--terminal); font-size: 0.8rem; font-weight: 800;
    text-transform: uppercase; letter-spacing: 10px;
    border-left: 4px solid var(--terminal); padding-left: 15px;
    display: inline-block;
}

/* ── Responsive ──────────────────────────────────── */

@media (max-width: 600px) {
    h1 { font-size: 14vw !important; }
}

@media (max-width: 500px) {
    .info-row { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* ── Signal Line ─────────────────────────────────── */
.signal-line {
    padding: 0px 8% 120px;
    text-align: center;
    position: relative;
    z-index: 5;
}
.signal-inner { max-width: 600px; margin: 0 auto; }
.signal-status {
    font-size: 0.7rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--terminal);
    font-weight: 900;
    opacity: 0.9;
    margin-bottom: 30px;
}
.signal-cta {
    display: inline-block;
    background: var(--terminal);
    color: var(--obsidian);
    clip-path: polygon(10% 0, 100% 0, 90% 100%, 0% 100%);
    text-decoration: none;
    font-weight: 900;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.75rem;
    padding: 14px 40px;
    transition: background 0.3s, transform 0.3s;
}
.signal-cta:hover {
    background: white;
    transform: scale(1.05);
}
.signal-sub {
    margin-top: 20px;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #ffffff;
    opacity: 0.6;
}