@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&family=Plus+Jakarta+Sans:wght@400;700&display=swap');

:root {
    --bg: #020617;
    --card-bg: rgba(30, 41, 59, 0.5);
    --accent: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.3);
    --border: #1e293b;
    --text-dim: #94a3b8;
}

body { 
    background-color: var(--bg); 
    color: #f8fafc; 
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-image: radial-gradient(circle at 50% -20%, #1e293b, var(--bg));
    min-height: 100vh;
}

/* THE NAV HUD */
.navbar { 
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    background: rgba(2, 6, 23, 0.8) !important;
}

.nav-link-sub {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.75rem;
    padding: 8px 16px;
    border-radius: 4px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.nav-link-sub:hover {
    color: var(--accent);
    background: rgba(56, 189, 248, 0.05);
}

.active-sub {
    color: var(--accent) !important;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* INDUSTRIAL CARDS */
.feature-card, .stage-card, .roi-card {
    background: var(--card-bg);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 30px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
}

h1, h2, h3 { font-family: 'JetBrains Mono', monospace; letter-spacing: -1px; }

/* ANIMATION */
.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
    opacity: 0;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&family=Plus+Jakarta+Sans:wght@400;700&display=swap');

:root {
    --bg: #020617;
    --card-bg: rgba(30, 41, 59, 0.4);
    --accent: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.2);
    --border: #1e293b;
    --text-dim: #94a3b8;
}

body { 
    background-color: var(--bg); 
    color: #f8fafc; 
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-image: radial-gradient(circle at 50% -20%, #1e293b, var(--bg));
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

.navbar { 
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    background: rgba(2, 6, 23, 0.8) !important;
}

.nav-link-sub {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.7rem;
    padding: 6px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.active-sub {
    color: var(--accent) !important;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
}

.hero { padding: 80px 0; }
.accent { color: var(--accent); font-weight: 700; }
h1, h2, h3, h4, h5 { font-family: 'JetBrains Mono', monospace; letter-spacing: -0.05em; text-transform: uppercase; }

.btn-logic { background: var(--accent); color: var(--bg); font-weight: 700; border: none; padding: 12px 30px; box-shadow: 0 0 20px var(--accent-glow); transition: 0.3s; }
.btn-logic:hover { transform: translateY(-2px); box-shadow: 0 0 30px var(--accent); background: #7dd3fc; }

.feature-card, .stage-card, .spec-box {
    background: var(--card-bg);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 30px;
    transition: all 0.3s ease;
}

.feature-link { text-decoration: none; color: inherit; }
.feature-card:hover { border-color: var(--accent); background: rgba(30, 41, 59, 0.6); transform: translateY(-5px); }

.list-check li { list-style: none; margin-bottom: 12px; font-size: 1.05rem; position: relative; padding-left: 25px; }
.list-check li::before { content: "›"; position: absolute; left: 0; color: var(--accent); font-weight: bold; font-size: 1.2rem; }

.visualizer-placeholder { 
    background: #020617; 
    height: 300px; 
    border-radius: 12px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    border: 1px solid var(--border);
    box-shadow: inset 0 0 20px rgba(0,0,0,0.5);
}

.fade-in { animation: fadeIn 0.8s ease-out forwards; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.use-case-card {
    background: linear-gradient(145deg, rgba(30, 41, 59, 0.4) 0%, rgba(2, 6, 23, 0.6) 100%);
    border: 1px solid var(--border);
    padding: 25px;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
    height: 100%;
}

.use-case-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 100%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
}

.badge-tech {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    padding: 2px 8px;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid var(--accent);
    color: var(--accent);
    border-radius: 2px;
}

.text-dim {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.6;
}