:root {
    /* Palette — near-black with a green cast, one accent */
    --bg: #070a08;
    --bg-raised: #0c110d;
    --border: #1c241e;
    --border-strong: #2a352c;
    --text: #e8ede9;
    --text-muted: #8b968d;
    --accent: #3fb950;
    --accent-dim: #238636;
    --accent-tint: rgba(63, 185, 80, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.mono {
    font-family: 'JetBrains Mono', monospace;
}

/* Halftone dot field — gradient-tinted dots fading from the top,
   plus one soft glow. The whole stack fades out via the parent mask. */
.bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    mask-image: radial-gradient(120% 85% at 65% -10%, black 25%, transparent 72%);
    -webkit-mask-image: radial-gradient(120% 85% at 65% -10%, black 25%, transparent 72%);
}

.bg-dots {
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg,
        rgba(63, 185, 80, 0.5) 0%,
        rgba(46, 160, 67, 0.32) 45%,
        rgba(20, 90, 35, 0.12) 100%);
    mask-image: radial-gradient(circle, black 1.7px, transparent 1.8px);
    -webkit-mask-image: radial-gradient(circle, black 1.7px, transparent 1.8px);
    mask-size: 26px 26px;
    -webkit-mask-size: 26px 26px;
}

/* Second, finer dot layer offset by half a cell for halftone depth */
.bg-dots-fine {
    background: linear-gradient(115deg,
        rgba(63, 185, 80, 0.28) 0%,
        rgba(35, 134, 54, 0.1) 100%);
    mask-image: radial-gradient(circle, black 1px, transparent 1.1px);
    -webkit-mask-image: radial-gradient(circle, black 1px, transparent 1.1px);
    mask-size: 26px 26px;
    -webkit-mask-size: 26px 26px;
    mask-position: 13px 13px;
    -webkit-mask-position: 13px 13px;
}

.bg-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(640px 420px at 70% 0%,
        rgba(63, 185, 80, 0.09), transparent 70%);
}

/* ---------- Navigation ---------- */
.navbar {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1160px;
    margin: 0 auto;
    padding: 1.75rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.logo-icon {
    width: 26px;
    height: 26px;
    color: var(--text);
}

.logo-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.05rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1160px;
    margin: 0 auto;
    padding: 5.5rem 2rem 4rem;
}

.hero-copy {
    animation: rise 0.7s ease-out backwards;
}

@keyframes rise {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.4rem 0.9rem;
    background: var(--accent-tint);
    border: 1px solid rgba(63, 185, 80, 0.25);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--accent);
    margin-bottom: 2rem;
}

.status-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent);
    border-radius: 50%;
    animation: blink-dot 2.4s ease-in-out infinite;
}

@keyframes blink-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

.hero-title {
    font-size: clamp(2.4rem, 4.5vw, 3.6rem);
    line-height: 1.12;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 1.4rem;
}

.accent {
    color: var(--accent);
}

.hero-subtitle {
    font-size: 1.1rem;
    line-height: 1.65;
    color: var(--text-muted);
    max-width: 32rem;
    margin-bottom: 2.5rem;
}

.cta-group {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.8rem 1.6rem;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.2s ease, transform 0.15s ease;
}

.btn-primary {
    background: var(--accent);
    color: #04120a;
}

.btn-primary:hover {
    background: #2ea043;
    transform: translateY(-1px);
}

/* ---------- Terminal ---------- */
.hero-terminal {
    animation: rise 0.7s ease-out 0.15s backwards;
}

.terminal {
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.7);
}

.terminal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.7rem 1.1rem;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.015);
}

.terminal-title {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.terminal-status {
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 0.04em;
}

.terminal-body {
    padding: 1.25rem 1.1rem;
    font-size: 0.85rem;
    line-height: 1.75;
    min-height: 232px;
}

.prompt {
    color: var(--accent);
}

.cursor {
    display: inline-block;
    width: 8px;
    height: 1em;
    background: var(--accent);
    vertical-align: text-bottom;
    animation: blink-cursor 1s step-end infinite;
}

@keyframes blink-cursor {
    50% { opacity: 0; }
}

.terminal-output {
    color: var(--text-muted);
    white-space: pre-wrap;
}

.terminal-output .ok {
    color: var(--accent);
}

.terminal-output .dim {
    color: var(--accent-dim);
}

/* ---------- Capabilities ---------- */
.capabilities {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 2rem 5rem;
    gap: 1rem;
}

.capability {
    padding: 1.75rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg-raised);
    transition: border-color 0.25s ease;
}

.capability:hover {
    border-color: var(--border-strong);
}

.capability-index {
    display: block;
    font-size: 0.75rem;
    color: var(--accent);
    margin-bottom: 1.1rem;
    letter-spacing: 0.08em;
}

.capability h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
    letter-spacing: -0.01em;
}

.capability p {
    font-size: 0.9rem;
    line-height: 1.65;
    color: var(--text-muted);
}

/* ---------- Footer ---------- */
.footer {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1160px;
    margin: 0 auto;
    padding: 1.75rem 2rem;
    border-top: 1px solid var(--border);
}

.footer-brand {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-note {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding-top: 3.5rem;
    }

    .capabilities {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 560px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .cta-group {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        justify-content: center;
    }

    .capabilities {
        grid-template-columns: 1fr;
    }

    .footer {
        flex-direction: column;
        gap: 0.5rem;
    }
}