/* ============================================================
   Mannat AI Labs — site-v3 "Operator" design
   Dark security-product aesthetic (BunkerWeb-inspired):
   deep navy, green accent, card grids, stat counters.
   Fonts: Space Grotesk (display) · Inter (body) · JetBrains Mono
   ============================================================ */

:root {
    --bg0: #05080f;
    --bg1: #0a101d;
    --panel: #0d1424;
    --panel-2: #111a2e;
    --line: rgba(148, 163, 184, 0.12);
    --line-2: rgba(148, 163, 184, 0.24);
    --text: #e6edf6;
    --muted: #8fa0b5;
    --dim: #64748b;
    --green: #3ddc97;
    --green-soft: rgba(61, 220, 151, 0.12);
    --cyan: #38bdf8;
    --violet: #8b7cf6;
    --amber: #fbbf24;
    --grad: linear-gradient(92deg, #3ddc97 0%, #38bdf8 100%);
    --sans: "Inter", system-ui, -apple-system, sans-serif;
    --disp: "Space Grotesk", "Inter", system-ui, sans-serif;
    --mono: "JetBrains Mono", ui-monospace, monospace;
    --w: 72rem;
    --r: 14px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; }

body {
    background: var(--bg0);
    color: var(--text);
    font-family: var(--sans);
    font-size: 1rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(61, 220, 151, 0.25); }

img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

.container { max-width: var(--w); margin: 0 auto; padding: 0 1.5rem; }

/* ---------- header ---------- */
.topbar {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    border-bottom: 1px solid transparent;
    transition: background 0.25s ease, border-color 0.25s ease;
}
.topbar.scrolled {
    background: rgba(5, 8, 15, 0.82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom-color: var(--line);
}
.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    height: 4.25rem;
}
.brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--disp);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.01em;
    color: var(--text);
}
.brand:hover { text-decoration: none; }
.brand img { width: 1.7rem; height: 1.7rem; }
.brand b { color: var(--green); font-weight: 700; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.7rem;
}
.nav-links a {
    color: var(--muted);
    font-size: 0.92rem;
    font-weight: 500;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.62rem 1.25rem;
    border-radius: 9px;
    font-family: var(--sans);
    font-size: 0.92rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
    white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
    background: var(--grad);
    color: #04121c;
    box-shadow: 0 4px 24px rgba(61, 220, 151, 0.25);
}
.btn-primary:hover { box-shadow: 0 6px 30px rgba(61, 220, 151, 0.38); color: #04121c; }
.btn-ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--line-2);
}
.btn-ghost:hover { border-color: var(--green); color: var(--green); }

.nav-burger {
    display: none;
    background: none;
    border: 1px solid var(--line-2);
    border-radius: 8px;
    color: var(--text);
    font-size: 1.15rem;
    padding: 0.35rem 0.65rem;
    cursor: pointer;
}

/* ---------- hero ---------- */
.hero {
    position: relative;
    padding: 9.5rem 0 4.5rem;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(52rem 30rem at 18% -8%, rgba(56, 189, 248, 0.13), transparent 60%),
        radial-gradient(46rem 28rem at 85% 6%, rgba(61, 220, 151, 0.10), transparent 60%),
        radial-gradient(40rem 26rem at 60% 110%, rgba(139, 124, 246, 0.08), transparent 60%);
    pointer-events: none;
}
.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
    background-size: 44px 44px;
    -webkit-mask-image: radial-gradient(60rem 34rem at 50% 0%, #000 30%, transparent 78%);
    mask-image: radial-gradient(60rem 34rem at 50% 0%, #000 30%, transparent 78%);
    pointer-events: none;
}
.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3.5rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.4rem 0.9rem;
    border: 1px solid var(--line-2);
    border-radius: 999px;
    background: rgba(13, 20, 36, 0.65);
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 1.4rem;
}
.hero-badge .dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 4px var(--green-soft);
    animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 3px var(--green-soft); }
    50% { box-shadow: 0 0 0 7px rgba(61, 220, 151, 0.05); }
}

.hero h1 {
    font-family: var(--disp);
    font-size: clamp(2.3rem, 5vw, 3.6rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.02em;
    margin-bottom: 1.2rem;
}
.hero h1 .grad {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.hero .lede {
    font-size: 1.12rem;
    color: var(--muted);
    max-width: 36rem;
    margin-bottom: 1.9rem;
}
.hero .lede strong { color: var(--text); font-weight: 600; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 2.6rem; }

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, auto);
    gap: 2.4rem;
    justify-content: start;
}
.stat .num {
    font-family: var(--disp);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.1;
}
.stat .num em { font-style: normal; color: var(--green); }
.stat .lbl {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--dim);
    margin-top: 0.25rem;
}

/* operator card */
.op-card {
    position: relative;
    background: linear-gradient(180deg, var(--panel-2), var(--panel));
    border: 1px solid var(--line-2);
    border-radius: var(--r);
    padding: 1.5rem;
    max-width: 21rem;
    justify-self: end;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.op-card::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: var(--r);
    padding: 1px;
    background: linear-gradient(135deg, rgba(61, 220, 151, 0.5), transparent 40%, transparent 60%, rgba(56, 189, 248, 0.4));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}
.op-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--dim);
    margin-bottom: 1rem;
}
.op-head .live { color: var(--green); }
.op-card img.photo {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--line-2);
    filter: saturate(0.95);
    margin-bottom: 1rem;
}
.op-card h2 {
    font-family: var(--disp);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.2;
}
.op-card .role { color: var(--muted); font-size: 0.88rem; margin: 0.2rem 0 1rem; }
.op-facts {
    display: grid;
    gap: 0.45rem;
    font-family: var(--mono);
    font-size: 0.76rem;
    color: var(--muted);
    border-top: 1px solid var(--line);
    padding-top: 0.9rem;
}
.op-facts span b { color: var(--green); font-weight: 500; }
.op-links { display: flex; gap: 0.9rem; margin-top: 1rem; }
.op-links a {
    font-family: var(--mono);
    font-size: 0.76rem;
    color: var(--muted);
    border: 1px solid var(--line-2);
    border-radius: 7px;
    padding: 0.35rem 0.75rem;
}
.op-links a:hover { color: var(--green); border-color: var(--green); text-decoration: none; }

/* trust strip */
.trust {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: rgba(13, 20, 36, 0.4);
    padding: 1rem 0;
}
.trust-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.9rem 2.4rem;
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--dim);
}
.trust-inner span b { color: var(--muted); font-weight: 500; }

/* ---------- sections ---------- */
.section { padding: 5.5rem 0 1rem; }
.section-head { max-width: 44rem; margin-bottom: 3rem; }
.kicker {
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 0.8rem;
}
.section-head h2 {
    font-family: var(--disp);
    font-size: clamp(1.7rem, 3.2vw, 2.4rem);
    font-weight: 700;
    letter-spacing: -0.015em;
    line-height: 1.15;
    margin-bottom: 0.8rem;
}
.section-head p { color: var(--muted); font-size: 1.02rem; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}

/* ---------- product cards ---------- */
.prod-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
}
.prod-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--r);
    padding: 1.5rem;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.prod-card:hover {
    transform: translateY(-3px);
    border-color: var(--line-2);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.4);
}
.prod-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}
.prod-num {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--dim);
    letter-spacing: 0.08em;
}
.chip {
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    padding: 0.28rem 0.65rem;
    border-radius: 999px;
    border: 1px solid var(--line-2);
    color: var(--muted);
    white-space: nowrap;
}
.chip-live { color: var(--green); border-color: rgba(61, 220, 151, 0.4); background: var(--green-soft); }
.chip-dev { color: var(--amber); border-color: rgba(251, 191, 36, 0.35); background: rgba(251, 191, 36, 0.08); }
.chip-oss { color: var(--cyan); border-color: rgba(56, 189, 248, 0.35); background: rgba(56, 189, 248, 0.08); }
.prod-card h3 {
    font-family: var(--disp);
    font-size: 1.18rem;
    font-weight: 700;
    margin-bottom: 0.45rem;
}
.prod-card p { color: var(--muted); font-size: 0.92rem; flex: 1; }
.prod-links { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.1rem; }
.prod-links a {
    font-family: var(--mono);
    font-size: 0.76rem;
    color: var(--cyan);
}
.prod-links a::after { content: " ↗"; color: var(--dim); }
.prod-tag {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--dim);
    margin-top: 1.1rem;
}

/* ---------- pillars (principles) ---------- */
.pillar-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.1rem;
}
.pillar {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--r);
    padding: 1.5rem;
}
.pillar .p-name {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 0.8rem;
}
.pillar .p-name::before { content: "//"; color: var(--dim); }
.pillar p { color: var(--muted); font-size: 0.92rem; }
.pillar p em { color: var(--text); font-style: normal; font-weight: 600; }

/* ---------- experience ---------- */
.xp {
    border-left: 1px solid var(--line-2);
    margin-left: 0.4rem;
    padding-left: 2rem;
    display: grid;
    gap: 2.6rem;
}
.xp-item { position: relative; }
.xp-item::before {
    content: "";
    position: absolute;
    left: calc(-2rem - 5.5px);
    top: 0.5rem;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--bg0);
    border: 2px solid var(--green);
}
.xp-item .years {
    font-family: var(--mono);
    font-size: 0.76rem;
    letter-spacing: 0.06em;
    color: var(--green);
    text-transform: uppercase;
}
.xp-item h3 {
    font-family: var(--disp);
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0.3rem 0 0.15rem;
}
.xp-item .org { color: var(--muted); font-size: 0.92rem; margin-bottom: 0.8rem; }
.xp-item ul { list-style: none; display: grid; gap: 0.5rem; }
.xp-item li {
    color: var(--muted);
    font-size: 0.95rem;
    padding-left: 1.2rem;
    position: relative;
}
.xp-item li::before { content: "▸"; position: absolute; left: 0; color: var(--green); font-size: 0.8rem; top: 0.15rem; }
.xp-item li strong { color: var(--text); font-weight: 600; }
.xp-item li a { color: var(--cyan); }

/* ---------- skills ---------- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--r);
    overflow: hidden;
}
.skill-cell { background: var(--bg1); padding: 1.5rem; }
.skill-cell h3 {
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 0.9rem;
}
.skill-cell ul { list-style: none; display: grid; gap: 0.4rem; }
.skill-cell li { color: var(--muted); font-size: 0.88rem; }

/* ---------- research ---------- */
.pub-grid { display: grid; gap: 1.1rem; }
.pub-card {
    display: grid;
    grid-template-columns: 6rem 1fr;
    gap: 1.5rem;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--r);
    padding: 1.5rem;
}
.pub-card .year {
    font-family: var(--disp);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--green);
}
.pub-card h3 { font-size: 1.02rem; font-weight: 600; line-height: 1.4; margin-bottom: 0.35rem; }
.pub-card .venue { color: var(--muted); font-size: 0.88rem; margin-bottom: 0.6rem; }
.pub-card .venue em { color: var(--amber); font-style: normal; }
.pub-card .links { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.pub-card .links a { font-family: var(--mono); font-size: 0.76rem; }
.pub-card .links a::after { content: " ↗"; color: var(--dim); }

/* ---------- about ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2.8rem;
    align-items: start;
}
.about-prose p { color: var(--muted); margin-bottom: 1.1rem; }
.about-prose strong { color: var(--text); font-weight: 600; }
.about-prose em { color: var(--green); font-style: normal; }
.facts {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--r);
    padding: 1.5rem;
    display: grid;
    gap: 1.1rem;
}
.facts dt {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 0.3rem;
}
.facts dd { color: var(--muted); font-size: 0.88rem; }

.edu-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.1rem;
    margin-top: 2.4rem;
}
.edu-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--r);
    padding: 1.25rem;
}
.edu-card .years { font-family: var(--mono); font-size: 0.72rem; color: var(--dim); }
.edu-card h3 { font-size: 0.95rem; font-weight: 600; line-height: 1.35; margin: 0.4rem 0 0.3rem; }
.edu-card .grade { font-family: var(--mono); font-size: 0.74rem; color: var(--green); }

/* ---------- engage ---------- */
.engage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
}
.engage-card {
    display: flex;
    flex-direction: column;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--r);
    padding: 1.7rem;
    transition: border-color 0.2s ease, transform 0.2s ease;
}
.engage-card:hover { border-color: rgba(61, 220, 151, 0.4); transform: translateY(-3px); }
.engage-card.featured { border-color: rgba(61, 220, 151, 0.45); position: relative; }
.engage-card .flag {
    position: absolute;
    top: -0.75rem;
    left: 1.5rem;
    font-family: var(--mono);
    font-size: 0.64rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #04121c;
    background: var(--grad);
    border-radius: 999px;
    padding: 0.3rem 0.75rem;
    font-weight: 600;
}
.engage-card h3 { font-family: var(--disp); font-size: 1.15rem; font-weight: 700; margin-bottom: 0.7rem; }
.engage-card p { color: var(--muted); font-size: 0.92rem; flex: 1; margin-bottom: 1.4rem; }
.engage-card .btn { align-self: flex-start; }

/* ---------- contact ---------- */
.contact-wrap {
    background:
        radial-gradient(40rem 20rem at 50% 120%, rgba(61, 220, 151, 0.12), transparent 65%),
        var(--panel);
    border: 1px solid var(--line-2);
    border-radius: 18px;
    padding: 4rem 2rem;
    text-align: center;
}
.contact-wrap h2 {
    font-family: var(--disp);
    font-size: clamp(1.8rem, 3.4vw, 2.6rem);
    font-weight: 700;
    letter-spacing: -0.015em;
    margin-bottom: 1rem;
}
.contact-wrap p { color: var(--muted); max-width: 34rem; margin: 0 auto 2rem; }
.contact-ctas { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.9rem; }

/* ---------- contact form ---------- */
.contact-form {
    max-width: 34rem;
    margin: 2.6rem auto 0;
    text-align: left;
    display: grid;
    gap: 0.3rem;
}
.contact-form .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.contact-form label {
    display: block;
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--dim);
    margin: 0.9rem 0 0.35rem;
}
.contact-form input,
.contact-form textarea {
    width: 100%;
    box-sizing: border-box;
    background: var(--bg1);
    border: 1px solid var(--line-2);
    border-radius: 9px;
    padding: 0.7rem 0.85rem;
    color: var(--text);
    font-family: var(--sans);
    font-size: 0.95rem;
    resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--green);
    box-shadow: 0 0 0 3px var(--green-soft);
}
.contact-form button { margin-top: 1.3rem; justify-self: start; }
.form-hint {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--dim);
    margin-top: 0.6rem;
    line-height: 1.5;
}
.form-msg {
    font-family: var(--mono);
    font-size: 0.78rem;
    margin-top: 0.6rem;
    line-height: 1.5;
    min-height: 1.2em;
}
.form-msg.ok { color: var(--green); }
.form-msg.err { color: var(--amber, #f5a623); }

/* ---------- footer ---------- */
.footer {
    margin-top: 5.5rem;
    border-top: 1px solid var(--line);
    padding: 2.2rem 0 2.6rem;
}
.footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: var(--dim);
    font-size: 0.85rem;
}
.footer a { color: var(--muted); }
.footer a:hover { color: var(--green); }
.footer .foot-links { display: flex; flex-wrap: wrap; gap: 1.4rem; }

/* ---------- product card → case page link ---------- */
.prod-card h3 a { color: var(--text); }
.prod-card h3 a::after { content: ""; position: absolute; inset: 0; }
.prod-card h3 a:hover { text-decoration: none; }
.prod-card:hover h3 a { color: var(--green); }
.prod-links, .prod-card .chip { position: relative; z-index: 1; }
.prod-links a.in { color: var(--green); }
.prod-links a.in::after { content: " →"; color: var(--dim); }

/* ---------- case pages ---------- */
.case-main { padding-top: 8.5rem; }
.crumb {
    font-family: var(--mono);
    font-size: 0.76rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--dim);
}
.crumb:hover { color: var(--green); text-decoration: none; }
.case-hero { max-width: 46rem; margin-bottom: 3rem; }
.case-hero .kicker { margin-top: 1.8rem; }
.case-hero h1 {
    font-family: var(--disp);
    font-size: clamp(2.2rem, 4.5vw, 3.2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 1rem;
}
.case-hero .dek { color: var(--muted); font-size: 1.12rem; }
.case-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
    margin-top: 2.2rem;
}
.case-meta > div {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--r);
    padding: 1.1rem 1.25rem;
}
.case-meta dt {
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 0.4rem;
}
.case-meta dd { color: var(--muted); font-size: 0.9rem; }
.case-meta dd .chip { margin-right: 0.5rem; }
.case-meta dd a {
    font-family: var(--mono);
    font-size: 0.78rem;
    margin-right: 1rem;
}
.case-meta dd a::after { content: " ↗"; color: var(--dim); }

.prose { max-width: 46rem; }
.prose h2 {
    font-family: var(--disp);
    font-size: 1.35rem;
    font-weight: 700;
    margin: 2.4rem 0 0.8rem;
}
.prose h2::before {
    content: "// ";
    font-family: var(--mono);
    font-size: 0.85em;
    color: var(--green);
}
.prose p { color: var(--muted); margin-bottom: 1rem; }
.prose strong { color: var(--text); font-weight: 600; }
.prose em { color: var(--text); }
.prose ul { list-style: none; display: grid; gap: 0.55rem; margin: 1rem 0 1.2rem; }
.prose ul li { color: var(--muted); font-size: 0.96rem; padding-left: 1.2rem; position: relative; }
.prose ul li::before { content: "▸"; position: absolute; left: 0; color: var(--green); font-size: 0.8rem; top: 0.15rem; }
.prose code {
    font-family: var(--mono);
    font-size: 0.85em;
    background: var(--panel-2);
    border: 1px solid var(--line);
    border-radius: 5px;
    padding: 0.1em 0.4em;
    color: var(--cyan);
}
.prose .callout {
    background: var(--panel);
    border: 1px solid var(--line);
    border-left: 3px solid var(--green);
    border-radius: 10px;
    padding: 1.2rem 1.4rem;
    margin: 1.8rem 0;
    color: var(--muted);
    font-size: 0.96rem;
}

.case-pager {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    max-width: 46rem;
    margin-top: 3.5rem;
}
.case-pager a {
    display: grid;
    gap: 0.2rem;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--r);
    padding: 0.9rem 1.3rem;
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--dim);
}
.case-pager a b {
    font-family: var(--disp);
    font-size: 0.98rem;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: none;
    color: var(--text);
}
.case-pager a:hover { border-color: rgba(61, 220, 151, 0.4); text-decoration: none; }
.case-pager a:hover b { color: var(--green); }
.case-pager .next { margin-left: auto; text-align: right; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
    .hero-grid { grid-template-columns: 1fr; gap: 2.6rem; }
    .op-card { justify-self: start; }
    .prod-grid, .engage-grid { grid-template-columns: repeat(2, 1fr); }
    .pillar-grid, .edu-grid { grid-template-columns: repeat(2, 1fr); }
    .skills-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
    .nav-links {
        position: fixed;
        top: 4.25rem;
        right: 0;
        left: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: rgba(5, 8, 15, 0.97);
        border-bottom: 1px solid var(--line);
        padding: 0.6rem 1.5rem 1.2rem;
        display: none;
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 0.7rem 0; border-bottom: 1px solid var(--line); }
    .nav-links .btn { margin-top: 1rem; border-bottom: none; }
    .nav-burger { display: block; }
    .hero { padding-top: 7.5rem; }
    .hero-stats { grid-template-columns: repeat(2, auto); gap: 1.4rem 2.4rem; }
    .pub-card { grid-template-columns: 1fr; gap: 0.5rem; }
    .case-meta { grid-template-columns: 1fr; }
    .case-pager { flex-direction: column; }
    .case-pager .next { margin-left: 0; text-align: left; }
}
@media (max-width: 560px) {
    .prod-grid, .engage-grid, .pillar-grid, .edu-grid, .skills-grid { grid-template-columns: 1fr; }
    .hero-ctas .btn { width: 100%; }
    .contact-wrap { padding: 3rem 1.25rem; }
    .contact-form .form-grid { grid-template-columns: 1fr; }
}

/* ---------- The Agent Org ---------- */
.org-tree { position: relative; }
.org-root { position: relative; display: flex; justify-content: center; padding-bottom: 2.4rem; }
.org-root .org-node { max-width: 24rem; text-align: center; }
.org-human {
    position: relative;
    background: var(--panel);
    border: 1px solid transparent;
    border-radius: var(--r);
    padding: 1.2rem 1.6rem;
    background-clip: padding-box;
}
.org-human::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: var(--grad);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}
.org-human strong { font-family: var(--disp); font-size: 1.2rem; letter-spacing: -0.01em; }
.org-tag {
    display: block;
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--green);
    margin-top: 0.4rem;
}
.org-duty { display: block; font-size: 0.8rem; color: var(--muted); margin-top: 0.5rem; line-height: 1.5; }
.org-root::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 1px;
    height: 2.4rem;
    background: var(--line-2);
}
.org-branches {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    padding-top: 2.4rem;
}
.org-branches::before {
    content: "";
    position: absolute;
    top: 0;
    left: 25%;
    right: 25%;
    border-top: 1px solid var(--line-2);
}
.org-branch { position: relative; }
.org-branch::before {
    content: "";
    position: absolute;
    top: -2.4rem;
    left: 50%;
    width: 1px;
    height: 2.4rem;
    background: var(--line-2);
}
.org-branch-title {
    font-family: var(--disp);
    font-size: 1.05rem;
    font-weight: 600;
    text-align: center;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--r);
    padding: 0.7rem 1rem;
    margin-bottom: 1.8rem;
}
.org-branch-title span {
    font-family: var(--mono);
    font-size: 0.68rem;
    font-weight: 400;
    color: var(--green);
    margin-left: 0.5rem;
}
.org-cluster { margin-bottom: 1.8rem; }
.org-cluster h4 {
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--dim);
    margin-bottom: 0.9rem;
}
.org-ro {
    color: var(--amber);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.1rem 0.5rem;
    margin-left: 0.4rem;
}
.org-nodes {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.7rem;
}
.org-nodes .org-node {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 0.75rem 0.9rem;
    transition: border-color 0.2s ease, transform 0.2s ease;
}
.org-nodes .org-node:hover { border-color: var(--green); transform: translateY(-2px); }
.org-nodes .org-node strong { display: block; font-size: 0.85rem; font-weight: 600; }
.org-nodes .org-node span {
    display: block;
    font-size: 0.74rem;
    color: var(--muted);
    margin-top: 0.25rem;
    line-height: 1.45;
}
.org-note {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--dim);
    margin-top: 2.4rem;
    text-align: center;
}
@media (max-width: 760px) {
    .org-branches { grid-template-columns: 1fr; gap: 2rem; padding-top: 0; }
    .org-branches::before, .org-branch::before, .org-root::after { display: none; }
    .org-root { padding-bottom: 1.8rem; }
}
@media (max-width: 560px) {
    .org-nodes { grid-template-columns: 1fr; }
}

/* Agent Org avatars */
.org-nodes .org-node { display: flex; align-items: flex-start; gap: 0.7rem; }
.org-avatar { width: 26px; height: 26px; flex: none; margin-top: 0.1rem; color: var(--green); }
.org-txt { min-width: 0; }
.org-branch:nth-child(1) .org-cluster:nth-of-type(1) .org-avatar { color: var(--green); }
.org-branch:nth-child(1) .org-cluster:nth-of-type(2) .org-avatar { color: var(--cyan); }
.org-branch:nth-child(1) .org-cluster:nth-of-type(3) .org-avatar { color: var(--amber); }
.org-branch:nth-child(2) .org-cluster:nth-of-type(1) .org-avatar { color: var(--violet); }
.org-branch:nth-child(2) .org-cluster:nth-of-type(2) .org-avatar { color: var(--cyan); }
.org-photo {
    display: block;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 0.7rem;
    border: 1px solid var(--line-2);
}

/* ---------- blog (Aqilra feed) ---------- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.1rem;
}
.blog-card {
    background: var(--panel);
    border: 1px solid var(--line);
    transition: border-color 0.2s ease, transform 0.2s ease;
}
.blog-card:hover { border-color: rgba(61, 220, 151, 0.5); transform: translateY(-2px); }
.blog-card > a { display: block; color: inherit; text-decoration: none; }
.blog-thumb {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid var(--line);
}
.blog-body { padding: 1.1rem 1.2rem 1.3rem; }
.blog-body h3 {
    font-family: var(--disp);
    font-size: 1.05rem;
    line-height: 1.35;
    margin-bottom: 0.45rem;
    transition: color 0.2s ease;
}
.blog-card:hover .blog-body h3 { color: var(--green); }
.blog-desc { color: var(--muted); font-size: 0.9rem; }
.blog-meta {
    margin-top: 0.6rem;
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--dim);
}