/* ShareInfo — editorial / archival "stamped document" aesthetic.
   Warm paper, ink, a single vermilion stamp accent.
   Fraunces (display serif) + Spline Sans (body) + Spline Sans Mono (data/labels). */

:root {
    --paper:      #f4f0e6;
    --paper-2:    #efe9db;
    --card:       #fbf9f3;
    --ink:        #1c1916;
    --ink-soft:   #4a443b;
    --muted:      #837a6a;
    --faint:      #b7ad99;
    --line:       #ddd4c0;
    --line-soft:  #e8e0cf;
    --stamp:      #cf3a1a;     /* vermilion accent */
    --stamp-deep: #a82d12;
    --good:       #2f6f4f;
    --shadow:     0 1px 0 rgba(28,25,22,.04), 0 12px 30px -18px rgba(28,25,22,.35);
    --radius:     3px;

    --serif: "Fraunces", Georgia, "Times New Roman", serif;
    --sans:  "Spline Sans", ui-sans-serif, system-ui, sans-serif;
    --mono:  "Spline Sans Mono", ui-monospace, "SFMono-Regular", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    background-color: var(--paper);
    /* subtle grain so the paper isn't flat */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
    color: var(--ink);
    font-family: var(--sans);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    min-height: 100vh;
}
body.centered { display: grid; place-items: center; padding: 40px 24px; }

a { color: var(--ink); text-decoration-color: var(--faint); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--stamp); }
code, .mono { font-family: var(--mono); }

/* ---- micro labels (uppercase mono, like form fields on an official doc) ---- */
.eyebrow {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--stamp);
    font-weight: 500;
}

/* ---- tear-line divider (perforated ticket edge) ---- */
.tear {
    border: 0;
    border-top: 1.5px dashed var(--line);
    margin: 0;
    position: relative;
}
.tear::before, .tear::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 18px; height: 18px;
    background: var(--paper);
    border-radius: 50%;
    transform: translateY(-50%);
}
.tear::before { left: -9px; }
.tear::after  { right: -9px; }

/* ---- header ---- */
header.site {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    max-width: 1080px;
    margin: 0 auto;
    padding: 28px 32px 22px;
}
.brand {
    font-family: var(--serif);
    font-weight: 600;
    font-size: 1.4rem;
    letter-spacing: -.01em;
    text-decoration: none;
    color: var(--ink);
}
.brand .dot { color: var(--stamp); }
header.site nav { display: flex; gap: 26px; align-items: baseline; }
header.site nav a {
    font-size: .82rem;
    font-family: var(--mono);
    letter-spacing: .04em;
    text-decoration: none;
    color: var(--ink-soft);
}
header.site nav a:hover { color: var(--stamp); }
header.site nav a.cta {
    color: var(--paper);
    background: var(--ink);
    padding: 8px 16px;
    border-radius: var(--radius);
}
header.site nav a.cta:hover { background: var(--stamp); color: #fff; }

/* ---- layout ---- */
main { max-width: 1080px; margin: 0 auto; padding: 0 32px; }
section { padding: 56px 0; }

/* ---- hero ---- */
.hero {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 56px;
    align-items: center;
    padding-top: 36px;
}
.hero h1 {
    font-family: var(--serif);
    font-weight: 400;
    font-size: clamp(2.6rem, 5.2vw, 4.1rem);
    line-height: 1.02;
    letter-spacing: -.02em;
    margin: 18px 0 22px;
}
.hero h1 em {
    font-style: italic;
    font-optical-sizing: auto;
    color: var(--stamp);
}
.hero .lede {
    font-size: 1.12rem;
    color: var(--ink-soft);
    max-width: 46ch;
    margin: 0 0 30px;
}
.ctas { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

/* ---- buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--sans);
    font-size: .95rem;
    font-weight: 500;
    padding: 12px 22px;
    border-radius: var(--radius);
    text-decoration: none;
    cursor: pointer;
    border: 1.5px solid transparent;
    background: none;
    transition: transform .12s ease, background .15s, color .15s, border-color .15s;
}
.btn.primary { background: var(--stamp); color: #fff; box-shadow: var(--shadow); }
.btn.primary:hover { background: var(--stamp-deep); transform: translateY(-1px); }
.btn.ghost { border-color: var(--ink); color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper); }
.btn.danger { border-color: var(--stamp); color: var(--stamp); }
.btn.danger:hover { background: var(--stamp); color: #fff; }
.btn.small { padding: 6px 12px; font-size: .8rem; }

/* ---- the hero "receipt" — the memorable element ---- */
.receipt {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 0;
    position: relative;
    transform: rotate(-1.4deg);
    font-family: var(--mono);
    font-size: .82rem;
}
.receipt:hover { transform: rotate(0deg); transition: transform .35s ease; }
.receipt .rhead {
    padding: 16px 20px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--muted);
    letter-spacing: .1em;
    font-size: .68rem;
    text-transform: uppercase;
}
.receipt .rurl {
    padding: 6px 20px 18px;
    font-size: 1.05rem;
    color: var(--ink);
    letter-spacing: -.01em;
}
.receipt .rurl .sub { color: var(--stamp); font-weight: 500; }
.receipt .rrow {
    display: flex;
    justify-content: space-between;
    padding: 11px 20px;
    color: var(--ink-soft);
    border-top: 1px dashed var(--line-soft);
}
.receipt .rrow span:last-child { color: var(--ink); }
.receipt .stamp {
    position: absolute;
    right: 14px; bottom: 12px;
    color: var(--stamp);
    border: 2px solid var(--stamp);
    border-radius: 4px;
    padding: 4px 10px;
    font-size: .62rem;
    letter-spacing: .14em;
    transform: rotate(-8deg);
    opacity: .85;
    font-weight: 500;
}

/* ---- "how it works" steps ---- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.step { padding: 0 28px; border-left: 1px solid var(--line); }
.step:first-child { padding-left: 0; border-left: 0; }
.step .num {
    font-family: var(--mono);
    color: var(--stamp);
    font-size: .8rem;
    letter-spacing: .1em;
}
.step h3 { font-family: var(--serif); font-weight: 500; font-size: 1.3rem; margin: 10px 0 8px; letter-spacing: -.01em; }
.step p { color: var(--ink-soft); font-size: .98rem; margin: 0; }

/* ---- feature ledger ---- */
.section-head { margin-bottom: 30px; }
.section-head h2 {
    font-family: var(--serif);
    font-weight: 400;
    font-size: clamp(1.8rem, 3.2vw, 2.6rem);
    letter-spacing: -.02em;
    margin: 10px 0 0;
}
.ledger { border-top: 1px solid var(--ink); }
.ledger .row {
    display: grid;
    grid-template-columns: 80px 1fr 1.4fr;
    gap: 24px;
    padding: 26px 4px;
    border-bottom: 1px solid var(--line);
    align-items: baseline;
}
.ledger .row .serial { font-family: var(--mono); color: var(--faint); font-size: .85rem; }
.ledger .row h3 { font-family: var(--serif); font-weight: 500; font-size: 1.35rem; margin: 0; letter-spacing: -.01em; }
.ledger .row p { color: var(--ink-soft); margin: 0; font-size: .98rem; }
.ledger .row p code { background: var(--paper-2); padding: 1px 6px; border-radius: 3px; font-size: .85em; }

/* ---- closing CTA band ---- */
.band {
    background: var(--ink);
    color: var(--paper);
    border-radius: var(--radius);
    padding: 52px 48px;
    text-align: center;
    margin: 24px 0;
}
.band h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.8rem, 3.6vw, 2.8rem); margin: 0 0 12px; letter-spacing: -.02em; }
.band p { color: #c9c1b1; margin: 0 0 26px; }
.band .btn.primary { background: var(--stamp); }
.band .btn.ghost { border-color: var(--paper); color: var(--paper); }
.band .btn.ghost:hover { background: var(--paper); color: var(--ink); }

/* ---- use-case pillars ---- */
.usecases { display: grid; gap: 0; }
.usecase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    padding: 48px 0;
    border-bottom: 1px solid var(--line);
}
.usecase:last-child { border-bottom: 0; }
.usecase.flip .uc-text { order: 2; }
.usecase .uc-kicker { font-family: var(--mono); font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; color: var(--stamp); }
.usecase h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.7rem, 3vw, 2.3rem); letter-spacing: -.02em; margin: 12px 0 14px; line-height: 1.08; }
.usecase .uc-body { color: var(--ink-soft); font-size: 1.05rem; margin: 0 0 18px; max-width: 48ch; }
.usecase .uc-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.usecase .uc-list li { font-size: .96rem; color: var(--ink); padding-left: 22px; position: relative; }
.usecase .uc-list li::before {
    content: "→";
    position: absolute; left: 0;
    color: var(--stamp);
    font-family: var(--mono);
}

/* visual chip card that sits beside each use-case */
.uc-visual {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 22px;
    font-family: var(--mono);
    font-size: .82rem;
}
.uc-visual .vline { display: flex; justify-content: space-between; padding: 9px 0; border-top: 1px dashed var(--line-soft); color: var(--ink-soft); }
.uc-visual .vline:first-of-type { border-top: 0; }
.uc-visual .vline span:last-child { color: var(--ink); }
.uc-visual .vtop { color: var(--muted); text-transform: uppercase; letter-spacing: .1em; font-size: .66rem; margin-bottom: 6px; }
.uc-visual .vurl { font-size: 1rem; color: var(--ink); margin-bottom: 10px; }
.uc-visual .vurl .sub { color: var(--stamp); }
.uc-visual .vtag { display: inline-block; margin: 2px 6px 0 0; padding: 3px 9px; border: 1px solid var(--line); border-radius: 20px; color: var(--ink-soft); font-size: .72rem; }
.uc-visual .vok { color: var(--good); }

/* ---- capabilities strip ---- */
.caps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border-top: 1px solid var(--ink); }
.caps .cap { padding: 22px 18px; border-left: 1px solid var(--line); }
.caps .cap:first-child { border-left: 0; padding-left: 0; }
.caps .cap .ct { font-family: var(--serif); font-size: 1.08rem; margin: 0 0 4px; }
.caps .cap .cd { font-size: .85rem; color: var(--muted); margin: 0; }

/* ---- footer ---- */
footer.site {
    max-width: 1080px;
    margin: 0 auto;
    padding: 34px 32px 48px;
    display: flex;
    gap: 26px;
    align-items: center;
    flex-wrap: wrap;
    color: var(--muted);
    font-family: var(--mono);
    font-size: .78rem;
}
footer.site a { color: var(--muted); text-decoration: none; }
footer.site a:hover { color: var(--stamp); }
footer.site .spacer { flex: 1; }

/* ---- cards (auth + dashboard) ---- */
.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 30px 32px;
    margin: 0 0 24px;
}
body.centered .card { width: 100%; max-width: 440px; text-align: center; }
.card h1 { font-family: var(--serif); font-weight: 500; font-size: 1.6rem; margin: 6px 0 12px; letter-spacing: -.01em; }
.card h2 { font-family: var(--serif); font-weight: 500; font-size: 1.4rem; margin: 0 0 6px; letter-spacing: -.01em; }
.card > p { color: var(--ink-soft); margin: 0 0 4px; }
.card.danger { border-color: var(--stamp); }
.card.danger h2 { color: var(--stamp); }

/* spinner for redirect/callback pages */
.spinner {
    width: 26px; height: 26px;
    border: 2.5px solid var(--line);
    border-top-color: var(--stamp);
    border-radius: 50%;
    margin: 8px auto 18px;
    animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- dashboard ---- */
.dash-wrap { max-width: 880px; margin: 0 auto; padding: 8px 32px 64px; }
dl.meta { display: grid; grid-template-columns: 150px 1fr; row-gap: 10px; margin: 14px 0 0; }
dl.meta dt { font-family: var(--mono); font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); align-self: center; }
dl.meta dd { margin: 0; font-size: 1.02rem; }
dl.meta dd code { font-family: var(--mono); }
.serial-badge {
    font-family: var(--mono);
    background: var(--paper-2);
    border: 1px dashed var(--line);
    padding: 3px 10px;
    border-radius: 3px;
    letter-spacing: .05em;
}

form.inline { display: flex; gap: 12px; align-items: flex-end; margin: 18px 0 8px; flex-wrap: wrap; }
form.inline label { display: flex; flex-direction: column; gap: 6px; font-family: var(--mono); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
form.inline input {
    font-family: var(--sans);
    font-size: .96rem;
    padding: 10px 12px;
    border: 1.5px solid var(--line);
    border-radius: var(--radius);
    background: var(--paper);
    min-width: 240px;
    color: var(--ink);
}
form.inline input:focus { outline: none; border-color: var(--stamp); }

.newkey {
    background: #fff7ec;
    border: 1.5px dashed var(--stamp);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin: 14px 0;
}
.newkey strong { font-size: .82rem; }
.newkey code { display: block; padding: 10px 12px; margin: 10px 0; background: #fff; border-radius: 3px; word-break: break-all; font-size: .85rem; }

table.keys { width: 100%; border-collapse: collapse; margin-top: 14px; }
table.keys th, table.keys td { text-align: left; padding: 11px 10px; border-bottom: 1px solid var(--line); font-size: .92rem; }
table.keys th { font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
table.keys td.mono { font-family: var(--mono); font-size: .85rem; }
.pill { font-family: var(--mono); font-size: .72rem; padding: 2px 9px; border-radius: 20px; letter-spacing: .04em; }
.pill.active { background: rgba(47,111,79,.12); color: var(--good); }
.pill.revoked { background: rgba(207,58,26,.1); color: var(--stamp); }

.muted { color: var(--muted); font-size: .9rem; }

/* dashboard header */
header.dash {
    display: flex; align-items: baseline; justify-content: space-between;
    max-width: 880px; margin: 0 auto; padding: 28px 32px 18px;
}
header.dash nav { display: flex; gap: 20px; align-items: baseline; font-family: var(--mono); font-size: .8rem; }

/* ---- legal/long-form pages ---- */
.prose { max-width: 720px; margin: 0 auto; padding: 8px 32px 72px; }
.prose h1 { font-family: var(--serif); font-weight: 500; font-size: 2.4rem; letter-spacing: -.02em; margin: 12px 0 6px; }
.prose .updated { font-family: var(--mono); font-size: .78rem; color: var(--muted); letter-spacing: .04em; margin-bottom: 30px; }
.prose h2 { font-family: var(--serif); font-weight: 500; font-size: 1.45rem; letter-spacing: -.01em; margin: 38px 0 10px; }
.prose p, .prose li { color: var(--ink-soft); }
.prose ul { padding-left: 22px; }
.prose li { margin: 6px 0; }
.prose a { color: var(--stamp); }
.prose code { background: var(--paper-2); padding: 1px 6px; border-radius: 3px; font-size: .88em; }

/* ---- responsive ---- */
@media (max-width: 820px) {
    .hero { grid-template-columns: 1fr; gap: 40px; }
    .receipt { transform: rotate(-1deg); max-width: 420px; }
    .steps { grid-template-columns: 1fr; gap: 28px; }
    .step { border-left: 0; padding: 0; border-top: 1px solid var(--line); padding-top: 22px; }
    .step:first-child { border-top: 0; padding-top: 0; }
    .ledger .row { grid-template-columns: 50px 1fr; }
    .ledger .row p { grid-column: 1 / -1; }
    .usecase { grid-template-columns: 1fr; gap: 24px; }
    .usecase.flip .uc-text { order: 0; }
    .caps { grid-template-columns: 1fr 1fr; }
    .caps .cap { border-left: 0; border-top: 1px solid var(--line); padding: 18px 0; }
    .caps .cap:first-child { padding-top: 18px; }
}
@media (max-width: 520px) {
    header.site { flex-direction: column; gap: 14px; align-items: flex-start; }
    body { font-size: 16px; }
}