:root {
    --bg: #0b0f19;
    --bg-soft: #141b2d;
    --text: #edf2ff;
    --muted: #b7c1d6;
    --line: rgba(255, 255, 255, 0.12);
    --glass: rgba(255, 255, 255, 0.06);
    --accent: #6f8cff;
    --accent-2: #7ef2d4;
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #eef2ff;
        --bg-soft: #ffffff;
        --text: #0f172a;
        --muted: #374151;
        --line: rgba(15, 23, 42, 0.14);
        --glass: rgba(255, 255, 255, 0.72);
        --accent: #4f46e5;
        --accent-2: #059669;
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    font-family: "Inter", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 10% 10%, rgba(126, 242, 212, 0.18), transparent 26%),
        radial-gradient(circle at 80% 20%, rgba(111, 140, 255, 0.2), transparent 30%),
        linear-gradient(160deg, var(--bg) 0%, #0f1526 60%, var(--bg-soft) 100%);
}

.noise {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
    background-size: 3px 3px;
    mix-blend-mode: soft-light;
    opacity: 0.08;
}

.glass {
    background: var(--glass);
    border: 1px solid var(--line);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.topbar {
    max-width: 1120px;
    margin: 1rem auto;
    border-radius: 14px;
    padding: 0.9rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
}

.brand-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 0 22px rgba(126, 242, 212, 0.65);
}

.nav-links {
    display: flex;
    gap: 0.65rem;
    align-items: center;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.94rem;
}

main {
    max-width: 1120px;
    margin: 0 auto;
    padding: 1rem;
}

.hero {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 1rem;
    min-height: 60vh;
    align-items: center;
}

.hero-copy h1 {
    font-size: clamp(2rem, 3.8vw, 3.5rem);
    line-height: 1.05;
    margin-bottom: 0.8rem;
}

.hero-copy p {
    color: var(--muted);
    max-width: 56ch;
}

.tag {
    display: inline-block;
    border: 1px solid var(--line);
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
    font-size: 0.78rem;
    margin-bottom: 0.8rem;
}

.hero-actions {
    margin-top: 1.1rem;
    display: flex;
    gap: 0.7rem;
}

.btn {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 0.65rem 0.95rem;
    color: var(--text);
    text-decoration: none;
    background: transparent;
    cursor: pointer;
    transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.btn:hover {
    transform: translateY(-1px);
    border-color: rgba(126, 242, 212, 0.6);
}

.btn-primary {
    background: linear-gradient(120deg, var(--accent), #7188ff);
    border-color: transparent;
    color: #fff;
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.03);
}

.status {
    margin-top: 0.7rem;
    font-size: 0.92rem;
}

.hero-visual {
    min-height: 340px;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.ring {
    position: absolute;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    animation: orbit 12s linear infinite;
}

.r1 {
    width: 240px;
    height: 240px;
    top: 58px;
    left: 66px;
}

.r2 {
    width: 170px;
    height: 170px;
    top: 92px;
    left: 102px;
    animation-duration: 9s;
    animation-direction: reverse;
}

.r3 {
    width: 110px;
    height: 110px;
    top: 122px;
    left: 132px;
    animation-duration: 7s;
}

.pulse {
    position: absolute;
    width: 34px;
    height: 34px;
    border-radius: 999px;
    top: 160px;
    left: 168px;
    background: radial-gradient(circle at 30% 30%, #fff, var(--accent));
    box-shadow: 0 0 40px rgba(111, 140, 255, 0.7);
    animation: pulse 2.2s ease-in-out infinite;
}

.node {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: var(--accent-2);
}

.n1 { top: 82px; left: 175px; }
.n2 { top: 180px; left: 84px; }
.n3 { top: 246px; left: 250px; }

.panel-grid {
    margin-top: 1rem;
    display: grid;
    gap: 0.8rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel,
.architecture {
    border-radius: 14px;
    padding: 1rem;
}

.panel h3,
.architecture h2 {
    margin-bottom: 0.4rem;
}

.panel p,
.architecture p {
    color: var(--muted);
}

.architecture {
    margin-top: 0.85rem;
}

.dash-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
}

.input,
.select {
    width: 100%;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text);
    border-radius: 10px;
    padding: 0.65rem;
}

.form-row {
    display: grid;
    gap: 0.55rem;
    margin-top: 0.7rem;
}

ul.clean {
    list-style: none;
    display: grid;
    gap: 0.4rem;
}

li.badge {
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 0.55rem 0.7rem;
}

@keyframes orbit {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.12); }
}

@media (max-width: 900px) {
    .hero,
    .panel-grid,
    .dash-grid {
        grid-template-columns: 1fr;
    }

    .topbar {
        flex-direction: column;
        gap: 0.6rem;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}