/* ============================================================
   Miguel Sanz — Portfólio 2026
   Grafite + âmbar (sinal) + ciano (ok). Grade de osciloscópio,
   tipografia Archivo + IBM Plex Sans + JetBrains Mono.
   ============================================================ */

:root {
    /* layout: coluna editorial larga + um único "instrumento" vivo (o gateway) no hero */
    --display: "Archivo", "Arial Narrow", system-ui, sans-serif;
    --font: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
    --mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;

    --bg: #0b0d10;
    --bg-2: #11151a;
    --panel: #12161c;
    --panel-2: #171c23;
    --text: #e9edf2;
    --dim: #a3adba;
    --faint: #8691a0;
    --line: rgba(233, 237, 242, 0.10);
    --line-2: rgba(233, 237, 242, 0.18);
    --amber: #ffb547;
    --amber-2: #ffd08a;
    --amber-ink: #1b1204;
    --cyan: #42e2c4;
    --red: #ff6b6b;
    --grid: rgba(255, 181, 71, 0.045);
    --shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.7);
    /* marcas do canvas (validadas: dataviz validate_palette, dark L 0.48–0.67) */
    --mark-in: #c8811e;
    --mark-ok: #12a58c;

    --shell: 1200px;
    --gutter: clamp(16px, 4.5vw, 56px);
    --header-h: 68px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    color-scheme: dark;
}

@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) {
        --bg: #f5f3ee;
        --bg-2: #ece8e0;
        --panel: #ffffff;
        --panel-2: #faf8f4;
        --text: #15181d;
        --dim: #4a525e;
        --faint: #5d6672;
        --line: rgba(21, 24, 29, 0.11);
        --line-2: rgba(21, 24, 29, 0.2);
        --amber: #9a5800;
        --amber-2: #7a4500;
        --amber-ink: #ffffff;
        --cyan: #00775f;
        --red: #b83232;
        --grid: rgba(184, 106, 0, 0.06);
        --shadow: 0 20px 40px -24px rgba(21, 24, 29, 0.28);
        --mark-in: #9a5800;
        --mark-ok: #00775f;
        color-scheme: light;
    }
}
:root[data-theme="light"] {
    --bg: #f5f3ee;
    --bg-2: #ece8e0;
    --panel: #ffffff;
    --panel-2: #faf8f4;
    --text: #15181d;
    --dim: #4a525e;
    --faint: #5d6672;
    --line: rgba(21, 24, 29, 0.11);
    --line-2: rgba(21, 24, 29, 0.2);
    --amber: #9a5800;
    --amber-2: #7a4500;
    --amber-ink: #ffffff;
    --cyan: #00775f;
    --red: #b83232;
    --grid: rgba(184, 106, 0, 0.06);
    --shadow: 0 20px 40px -24px rgba(21, 24, 29, 0.28);
    --mark-in: #9a5800;
    --mark-ok: #00775f;
    color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
@media (pointer: fine) { html { overscroll-behavior: none; } }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font);
    font-size: 1.0625rem;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
    transition: background-color .4s ease, color .4s ease;
}
img { max-width: 100%; height: auto; display: block; }
p, dd, li, h3 { overflow-wrap: break-word; }
b, strong { font-weight: 600; }
a, button, summary { touch-action: manipulation; -webkit-tap-highlight-color: color-mix(in srgb, var(--amber) 25%, transparent); }
.hero-grid > *, .cmd code, .case-cols > div, .repo-body, .metric { min-width: 0; }
a { color: inherit; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }
code { font-family: var(--mono); font-size: .88em; padding: .1em .35em; border-radius: 5px; background: var(--bg-2); border: 1px solid var(--line); }
.mono { font-family: var(--mono); }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--amber); color: var(--amber-ink); }

.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; padding: 10px 14px; background: var(--amber); color: var(--amber-ink); border-radius: 8px; text-decoration: none; font-weight: 600; }
.skip-link:focus-visible { top: 12px; }
main:focus { outline: none; }

.shell { width: 100%; max-width: var(--shell); margin: 0 auto; padding: 0 var(--gutter); }

/* grade de fundo, desvanece para baixo */
.grid-bg {
    position: fixed; inset: 0; z-index: -1; pointer-events: none;
    background-image:
        linear-gradient(var(--grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 30%, transparent 85%);
}

/* ---------- Header ---------- */
.site-header {
    /* inset vira padding, não offset: com top = inset o conteúdo vazava por cima do header no celular */
    position: sticky; top: 0; padding-top: env(safe-area-inset-top, 0px); z-index: 50;
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    background: color-mix(in srgb, var(--bg) 72%, transparent);
    border-bottom: 1px solid transparent;
    transition: border-color .3s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.header-row { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { font-family: var(--display); font-stretch: 112%; display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; letter-spacing: -.01em; }
.brand-mark { font-family: var(--mono); font-weight: 700; color: var(--amber); font-size: 1.05rem; }
.brand-mark i { font-style: normal; }
.nav { display: flex; gap: 4px; }
.nav a { text-decoration: none; color: var(--dim); font-size: .95rem; padding: 8px 12px; white-space: nowrap; border-radius: 8px; transition: color .2s, background .2s; }
.nav a:hover, .nav a.is-active { color: var(--text); background: var(--bg-2); }
.header-tools { display: flex; align-items: center; gap: 8px; }
.status { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: .8rem; color: var(--cyan); padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; }
.icon-btn { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 10px; border: 1px solid var(--line); transition: border-color .2s, background .2s; }
.icon-btn:hover { border-color: var(--line-2); background: var(--bg-2); }
.lang-btn { font-family: var(--mono); font-size: .75rem; font-weight: 700; letter-spacing: .04em; }
.icon-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
/* tema: lua e sol empilhados, trocam girando */
#theme-toggle { overflow: hidden; }
#theme-toggle svg { grid-area: 1 / 1; width: 20px; height: 20px; stroke: none; transition: transform .55s var(--ease), opacity .3s ease; }
.i-moon .moon { fill: var(--amber-2); }
.i-moon .star { fill: var(--amber); animation: twinkle 2.4s ease-in-out 2; transform-origin: center; transform-box: fill-box; }
.i-moon .star-2 { animation-delay: 1.2s; }
.i-sun .core { fill: var(--amber); }
.i-sun .rays { stroke: var(--amber); stroke-width: 2; stroke-linecap: round; }
.i-sun { opacity: 0; transform: rotate(-90deg) scale(.4); }
#theme-toggle:hover .i-moon { transform: rotate(-18deg) scale(1.08); }
@keyframes twinkle { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .35; transform: scale(.6); } }
:root[data-theme="light"] .i-sun { opacity: 1; transform: none; }
:root[data-theme="light"] .i-moon { opacity: 0; transform: rotate(90deg) scale(.4); }
:root[data-theme="light"] #theme-toggle:hover .i-sun { transform: rotate(45deg) scale(1.08); }
@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) .i-sun { opacity: 1; transform: none; }
    :root:not([data-theme="dark"]) .i-moon { opacity: 0; transform: rotate(90deg) scale(.4); }
    :root:not([data-theme="dark"]) #theme-toggle:hover .i-sun { transform: rotate(45deg) scale(1.08); }
}
.menu-btn { display: none; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.menu-btn span { display: block; width: 18px; height: 1.6px; background: currentColor; transition: transform .25s var(--ease); }
.menu-btn[aria-expanded="true"] span:first-child { transform: translateY(3.3px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:last-child { transform: translateY(-3.3px) rotate(-45deg); }
.mobile-nav { display: none; }

/* ---------- Botões ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 18px; border-radius: 10px; font-weight: 600; font-size: .98rem; text-decoration: none; transition: transform .2s var(--ease), background .2s, border-color .2s, color .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-solid { background: var(--amber); color: var(--amber-ink); }
.btn-solid:hover { background: var(--amber-2); }
.btn-line { border: 1px solid var(--line-2); }
.btn-line:hover { border-color: var(--amber); color: var(--amber); }
.btn-ghost { color: var(--dim); }
.btn-ghost:hover { color: var(--text); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(40px, 7vw, 96px) 0 clamp(64px, 8vw, 104px); }
.hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(28px, 4vw, 56px); align-items: center; }
.hero-id { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.hero-id img { width: 64px; height: 64px; border-radius: 50%; border: 2px solid var(--amber); object-fit: cover; flex: none; }
.hero-id p { display: flex; flex-direction: column; line-height: 1.35; }
.hero-id strong { font-family: var(--display); font-stretch: 108%; font-size: 1.05rem; }
.hero-id span { color: var(--dim); font-size: .92rem; }
.avail { display: inline-flex; align-items: center; gap: 7px; color: var(--cyan) !important; font-family: var(--mono); font-size: .8rem !important; margin-top: 2px; }
.avail i, .status i { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }
h1 { font-family: var(--display); font-stretch: 112%; font-size: clamp(2.05rem, 3.7vw, 3.15rem); line-height: 1.04; letter-spacing: -.025em; font-weight: 750; text-wrap: balance; }
.hl { color: var(--amber); position: relative; white-space: nowrap; }
.hl::after { content: ""; position: absolute; left: 0; right: 0; bottom: .06em; height: .09em; background: currentColor; opacity: .35; border-radius: 2px; transform-origin: left; animation: underline 1.2s .6s var(--ease) both; }
@keyframes underline { from { transform: scaleX(0); } }
.hero-sub { margin-top: 22px; max-width: 58ch; color: var(--dim); font-size: 1.12rem; }
.hero-sub strong { color: var(--text); }
.hero-cta { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tags { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }
.hero-tags li { font-family: var(--mono); font-size: .8rem; color: var(--dim); padding: 5px 10px; border: 1px dashed var(--line-2); border-radius: 6px; }

/* cartão do fluxo */
.flow-card { background: color-mix(in srgb, var(--panel) 72%, transparent); -webkit-backdrop-filter: blur(5px); backdrop-filter: blur(5px); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); overflow: hidden; }
.card-bar { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-bottom: 1px solid var(--line); font-size: .8rem; color: var(--faint); }
.card-bar .mono { min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#flow { display: block; width: 100%; height: 300px; }
.flow-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.flow-stats div { padding: 12px 14px; border-right: 1px solid var(--line); min-width: 0; }
.flow-stats div:nth-child(2n) { border-right: 0; }
.flow-stats div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
.flow-stats dt { font-family: var(--mono); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--faint); }
.flow-stats dd { font-family: var(--mono); font-size: .98rem; font-weight: 700; margin-top: 2px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.flow-stats .ok { color: var(--cyan); }
.pause { margin-left: auto; font-family: var(--mono); font-size: .8rem; color: var(--dim); padding: 4px 10px; border: 1px solid var(--line); border-radius: 999px; transition: color .2s, border-color .2s; }
.pause:hover { color: var(--amber); border-color: var(--amber); }
.flow-card figcaption { padding: 10px 14px; font-size: .8rem; color: var(--faint); border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 6px 16px; }
.flow-chaos { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; padding: 10px 14px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: .8rem; color: var(--faint); }
.flow-chaos:empty { display: none; }
.chaos-btn { font-family: var(--mono); font-size: .8rem; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--dim); transition: color .2s, border-color .2s, background-color .2s; }
.chaos-btn:hover { color: var(--red); border-color: var(--red); }
.chaos-btn[aria-pressed="true"] { color: var(--red); border-color: var(--red); background: color-mix(in srgb, var(--red) 12%, transparent); text-decoration: line-through; }
.chaos-log { flex-basis: 100%; color: var(--dim); min-height: 1.5em; }
.legend { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 8px; height: 8px; border-radius: 50%; background: var(--mark-in); }
.legend.ok i { background: var(--mark-ok); }

/* ---------- Seções ---------- */
.section { padding: clamp(56px, 7vw, 96px) 0; border-top: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: clamp(32px, 4vw, 52px); }
h2 { font-family: var(--display); font-stretch: 115%; font-size: clamp(1.8rem, 3.6vw, 2.8rem); line-height: 1.08; letter-spacing: -.02em; font-weight: 750; text-wrap: balance; }
h2 em { font-style: normal; color: var(--amber); }
.lead { margin-top: 16px; color: var(--dim); font-size: 1.1rem; max-width: 62ch; }

/* números */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.metric { padding: 26px 22px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .25s; }
.metric:hover { background: var(--bg-2); }
.metric-val { font-variant-numeric: tabular-nums; font-family: var(--font); font-size: clamp(2.2rem, 3.4vw, 3rem); font-weight: 600; letter-spacing: -.03em; line-height: 1; }
.metric-val small { font-family: var(--mono); font-size: .32em; font-weight: 500; color: var(--faint); margin-left: 6px; letter-spacing: 0; }
.metric-label { margin-top: 12px; color: var(--dim); font-size: .93rem; line-height: 1.45; }
.metric-label b { color: var(--text); }
.metric { display: flex; flex-direction: column; }
.metric-foot { margin-top: auto; padding-top: 14px; display: flex; justify-content: space-between; align-items: baseline; gap: 10px; font-size: .8rem; color: var(--faint); }
.metric-foot a { color: var(--amber); text-decoration: none; white-space: nowrap; display: inline-block; padding-block: 6px; }
.metric-foot a:hover { text-decoration: underline; }
.receipt { margin-top: 12px; font-size: .8rem; }
.receipt summary { padding-block: 6px; cursor: pointer; font-family: var(--mono); color: var(--dim); width: fit-content; }
.receipt summary:hover { color: var(--amber); }
.receipt pre { margin-top: 8px; padding: 10px 12px; background: #07090b; color: #c9d4df; border-radius: 10px; font-family: var(--mono); font-size: .8rem; line-height: 1.6; overflow-x: auto; white-space: pre; }
.receipt pre b { color: #42e2c4; font-weight: 500; }
.receipt p { margin-top: 8px; color: var(--faint); font-size: .8rem; }

/* recomendações */
.recs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; align-items: stretch; }
.recs .rec-text { flex: 1; }
.rec { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: clamp(20px, 2.4vw, 28px); min-width: 0; display: flex; flex-direction: column; gap: 10px; transition: border-color .25s; }
.rec:hover { border-color: var(--line-2); }
.rec-who { display: flex; align-items: center; gap: 12px; }
.rec-who img { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--line-2); flex: none; object-fit: cover; }
.rec-who > span { display: grid; min-width: 0; }
.rec-who a { font-family: var(--display); font-stretch: 108%; font-weight: 650; font-size: 1.08rem; color: var(--text); text-decoration: none; }
.rec-who a:hover { color: var(--amber); }
.rec-who small { color: var(--faint); font-size: .85rem; }
.rec-rel { font-size: .8rem; color: var(--amber); }
.rec-text { display: grid; gap: 10px; padding-left: 14px; border-left: 2px solid var(--line-2); }
.rec-text p { color: var(--dim); }
.rec-more summary { padding-block: 6px; cursor: pointer; font-family: var(--mono); font-size: .8rem; color: var(--faint); width: fit-content; }
.rec-more summary:hover { color: var(--amber); }
.rec-more p { margin-top: 10px; }
.recs-src { margin-top: 16px; }
.recs-src a, .contact-links a { display: inline-block; padding-block: 4px; }
.terms { margin-top: 14px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.terms div { padding: 14px 18px; background: var(--bg-2); min-width: 0; }
.terms dt { font-family: var(--mono); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--faint); }
.terms dd { font-weight: 600; margin-top: 2px; font-variant-numeric: tabular-nums; }

/* trajetória: stack resumida */
.stack-mini { margin-top: 24px; display: grid; gap: 10px; }
.stack-mini p { color: var(--dim); font-size: .92rem; }
.stack-mini span { display: block; font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--amber); margin-bottom: 2px; }

/* casos */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.chip { font-family: var(--mono); font-size: .8rem; padding: 7px 12px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--dim); transition: color .2s, background-color .2s, border-color .2s; }
.chip:hover { color: var(--text); border-color: var(--text); }
.chip.is-on { background: var(--text); color: var(--bg); border-color: var(--text); }
.cases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.case { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: clamp(20px, 2.4vw, 30px); display: flex; flex-direction: column; gap: 12px; transition: border-color .25s, opacity .3s, transform .3s var(--ease); }
.case:hover { border-color: var(--line-2); }
.case.is-hidden { display: none; }
.case-wide { grid-column: 1 / -1; }
.case h3 { font-family: var(--display); font-stretch: 108%; font-size: 1.32rem; letter-spacing: -.02em; line-height: 1.2; }
.case p { color: var(--dim); }
.case p b { color: var(--text); font-weight: 600; }
.case .case-meta { font-size: .8rem; color: var(--amber); margin-bottom: 6px; }
.case .case-result { font-size: .8rem; color: var(--text); padding: 6px 10px; border-left: 2px solid var(--cyan); background: var(--bg-2); border-radius: 0 6px 6px 0; width: fit-content; max-width: 100%; }
.case header .case-result { margin-top: 10px; }
/* frase de posição, não número medido: sem a barra ciano de "resultado" */
.case .case-claim { font-size: .82rem; color: var(--faint); font-style: italic; }
.chaos-group { display: contents; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.case .case-lede { color: var(--text); font-size: 1.05rem; margin-top: 6px; }
.case-trade { padding: 14px 16px; border: 1px dashed var(--line-2); border-radius: 12px; }
.case-trade p:last-child { color: var(--dim); max-width: 75ch; }
.case-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 6px; }
.case-k { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--faint); margin-bottom: 6px; }
.case-stack { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 6px; }
.case-stack li { font-size: .8rem; color: var(--faint); padding: 4px 8px; background: var(--bg-2); border-radius: 6px; }

/* registro de problemas */
.incidents { margin-top: clamp(40px, 5vw, 64px); }
.inc-head { margin-bottom: 16px; max-width: 760px; }
.inc-head h3 { font-family: var(--display); font-stretch: 112%; font-size: clamp(1.3rem, 2.4vw, 1.7rem); letter-spacing: -.02em; display: flex; align-items: center; gap: 10px; }
.inc-head h3 span { font-size: .8rem; color: var(--amber-ink); background: var(--amber); padding: 2px 8px; border-radius: 999px; letter-spacing: 0; }
.inc-head p { margin-top: 8px; color: var(--dim); }
.inc-list { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--panel); }
.inc { border-bottom: 1px solid var(--line); }
.inc:last-child { border-bottom: 0; }
.inc.is-hidden { display: none; }
.inc-more { border-top: 1px solid var(--line); }
.inc-more > summary { list-style: none; cursor: pointer; padding: 14px 18px; color: var(--amber); font-size: .85rem; }
.inc-more > summary::-webkit-details-marker { display: none; }
.inc-more > summary:hover { background: var(--bg-2); }
.inc-more[open] > summary { border-bottom: 1px solid var(--line); }
.inc summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 9.5rem 1fr auto; align-items: baseline; gap: 6px 18px; padding: 14px 18px; transition: background .2s; }
.inc summary::-webkit-details-marker { display: none; }
.inc summary:hover, .inc[open] summary { background: var(--bg-2); }
.inc-meta { font-size: .8rem; color: var(--faint); }
.inc-title { font-weight: 600; min-width: 0; }
.inc-title::before { content: "+" / ""; display: inline-block; width: 1.1em; font-family: var(--mono); color: var(--amber); }
.inc[open] .inc-title::before { content: "−" / ""; }
.inc summary:focus-visible, .inc-more > summary:focus-visible { outline-offset: -3px; }
.inc-fix { font-size: .8rem; color: var(--cyan); text-align: right; }
.inc-body { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding: 4px 18px 6px calc(9.5rem + 36px); }
.inc-body dt { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--faint); margin-bottom: 4px; }
.inc-body dd { color: var(--dim); font-size: .95rem; }
.inc .case-stack { padding: 6px 18px 16px calc(9.5rem + 36px); }

/* open source */
.hex { background: #07090b; color: #c9d4df; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; margin-bottom: 18px; }
[data-theme="light"] .hex { background: #15181d; }
@media (prefers-color-scheme: light) { :root:not([data-theme="dark"]) .hex { background: #15181d; } }
.hex-head { display: flex; align-items: center; gap: 12px; padding: 8px 12px 8px 16px; font-size: .8rem; color: #7f8b98; border-bottom: 1px solid rgba(255,255,255,.08); }
#hex-status { color: #42e2c4; margin-left: auto; }
.hex .pause { margin-left: 0; color: #a3adba; border-color: rgba(255,255,255,.14); }
.hex-body { padding: 14px 16px; font-size: clamp(.62rem, 1.35vw, .82rem); line-height: 1.75; height: calc(5 * 1.75em + 28px); overflow: hidden; white-space: pre; }
.hex-body:focus-visible { outline-offset: -3px; }
.trade-list { display: grid; gap: 8px; padding-left: 1.1em; margin: 0; color: var(--dim); max-width: 75ch; }
.nowrap { white-space: nowrap; }
.hex-body .off { color: #7d8794; }
.hex-body .hot { color: #ffb547; font-weight: 700; }
.hex-body .ack { color: #42e2c4; }
.repos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.repo { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; display: flex; flex-direction: column; transition: border-color .25s, transform .25s var(--ease); }
.repo:hover { border-color: var(--amber); transform: translateY(-4px); }
.repo img { width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.repo-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.repo-meta { display: flex; justify-content: space-between; font-size: .8rem; color: var(--faint); }
.stars b { color: var(--amber); font-variant-numeric: tabular-nums; }
.repo h3 { font-family: var(--display); font-stretch: 108%; font-size: 1.18rem; letter-spacing: -.02em; }
.repo p { color: var(--dim); font-size: .95rem; }
.repo-links { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: auto; }
.link { display: inline-block; padding-block: 4px; margin-top: auto; font-family: var(--mono); font-size: .82rem; color: var(--amber); text-decoration: none; }
.link:hover { text-decoration: underline; }
.flatpak { margin-top: 18px; padding: 20px; border: 1px dashed var(--line-2); border-radius: 16px; }
.flatpak-k { font-size: .8rem; color: var(--faint); margin-bottom: 10px; }
.os-more { margin-top: 64px; }
.os-more h3 { font-family: var(--display); font-stretch: 108%; font-size: 1.6rem; letter-spacing: -.02em; margin-bottom: 8px; }
.os-more .lead { margin-bottom: 20px; }
.cmd { display: flex; gap: 10px; align-items: stretch; }
.cmd code { flex: 1; display: block; overflow-x: auto; white-space: nowrap; padding: 12px 14px; font-size: .82rem; border-radius: 10px; }
.copy { font-family: var(--mono); font-size: .8rem; padding: 0 14px; border-radius: 10px; border: 1px solid var(--line-2); white-space: nowrap; transition: color .2s, border-color .2s; }
.copy:hover { border-color: var(--amber); color: var(--amber); }

/* trajetória */
.traj-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(28px, 5vw, 72px); align-items: start; }
.traj-grid .section-head { position: sticky; top: calc(var(--header-h) + 28px); }
.timeline { list-style: none; position: relative; padding-left: 26px; }
.timeline::before { content: ""; position: absolute; left: 5px; top: 8px; bottom: 8px; width: 1px; background: linear-gradient(var(--amber), var(--line) 30%); }
.timeline li { position: relative; padding: 0 0 34px; }
.timeline li::before { content: ""; position: absolute; left: -26px; top: 7px; width: 11px; height: 11px; border-radius: 3px; background: var(--bg); border: 2px solid var(--amber); transform: rotate(45deg); }
.timeline li.edu::before { border-color: var(--cyan); }
.when { font-size: .8rem; color: var(--amber); }
.timeline .edu .when { color: var(--cyan); }
.timeline h3 { font-family: var(--display); font-stretch: 108%; font-size: 1.22rem; margin: 6px 0 8px; letter-spacing: -.02em; }
.timeline h3 span:not(.nowrap) { color: var(--faint); font-weight: 500; }
.timeline p:not(.when) { color: var(--dim); }


/* contato */
.contact .shell { max-width: 900px; text-align: center; }
.contact .lead { margin-left: auto; margin-right: auto; }
.contact h2 { font-size: clamp(2.1rem, 5vw, 3.6rem); }
.contact-cta { margin-top: 30px; display: flex; justify-content: center; }
.contact-cta svg { width: 18px; height: 18px; fill: currentColor; flex: none; }
.mail-row { margin-top: 26px; display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 14px; }
.mail { font-family: var(--mono); font-size: clamp(1.1rem, 3.2vw, 2rem); font-weight: 700; color: var(--amber); text-decoration: none; border-bottom: 2px solid color-mix(in srgb, var(--amber) 35%, transparent); padding-bottom: 4px; overflow-wrap: anywhere; }
.mail:hover { border-bottom-color: var(--amber); }
.mail-row .copy { padding: 10px 14px; }
.contact-links { list-style: none; margin-top: 30px; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 26px; font-family: var(--mono); font-size: .88rem; }
.contact-links a { color: var(--text); text-decoration: none; }
.contact-links a:hover { color: var(--amber); }
.contact-links span { color: var(--faint); }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 26px 0; font-size: .85rem; color: var(--faint); }
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; }
.site-footer a { text-decoration: none; display: inline-block; padding-block: 4px; }
.site-footer a:hover { color: var(--amber); }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: .82rem; transition: opacity .3s var(--ease), transform .3s var(--ease); z-index: 90; }
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Animações de entrada ---------- */
/* conteúdo sempre visível; o movimento é só um leve assentamento */
.js [data-in] { animation: settle .7s var(--ease) both; animation-delay: var(--d, 0ms); }
@keyframes settle { from { transform: translateY(10px); } to { transform: none; } }
.js [data-reveal] { transform: translateY(12px); transition: transform .7s var(--ease); }
.js [data-reveal].is-in { transform: none; }


/* ---------- Responsivo ---------- */
@media (max-width: 1060px) {
    .status { display: none; }
    .nav a { padding: 8px 9px; }
    .hero-grid { grid-template-columns: 1fr; }
    .metrics { grid-template-columns: repeat(2, 1fr); }
    .repos { grid-template-columns: 1fr 1fr; }
    .traj-grid { grid-template-columns: 1fr; }
    .traj-grid .section-head { position: static; }
    .recs { grid-template-columns: repeat(2, 1fr); }
    .rec:last-child:nth-child(odd) { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
    .nav, .status { display: none; }
    .menu-btn { display: flex; }
    .mobile-nav { display: grid; max-height: 0; overflow: hidden; visibility: hidden; transition: max-height .35s var(--ease), visibility 0s .35s; border-top: 1px solid transparent; }
    .mobile-nav.is-open { max-height: 420px; visibility: visible; transition-delay: 0s; border-top-color: var(--line); }
    .mobile-nav a { padding: 14px var(--gutter); text-decoration: none; font-size: 1.05rem; border-bottom: 1px solid var(--line); }
    .cases { grid-template-columns: 1fr; }
    .recs { grid-template-columns: 1fr; }
    .inc summary { grid-template-columns: 1fr; }
    .inc-fix { text-align: left; }
    .inc-body { grid-template-columns: 1fr; gap: 10px; padding: 4px 18px 6px; }
    .inc .case-stack { padding: 6px 18px 16px; }
    .terms { grid-template-columns: repeat(2, 1fr); }
    .case-cols { grid-template-columns: 1fr; gap: 14px; }
}
@media (max-width: 620px) {
    body { font-size: 1rem; }
    .metrics, .repos { grid-template-columns: 1fr; }
    .hex-body { overflow-x: auto; }
    #flow { height: 190px; }
    .flow-card figcaption > span:last-child { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
    .terms { grid-template-columns: repeat(2, 1fr); grid-auto-flow: dense; }
    .terms div:nth-child(2), .terms div:nth-child(5) { grid-column: 1 / -1; }
    .cmd { flex-direction: column; }
    .copy { padding: 10px 14px; }
    .btn { padding: 11px 15px; }
    .hero-tags { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; margin: 0; }
    .inc-head h3 { display: block; }
    .inc-head h3 span { display: inline-block; vertical-align: middle; margin-left: 8px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
    .js [data-in], .js [data-reveal] { transform: none; }
}