/* Carbine Systems — carbinesystems.com
   Light: off-white #F4F3F0 / ink #0E0F11 · Dark: inverted
   Muted gray + dark gray + one sparing technical green accent.
   Display: Archivo · Data & labels: IBM Plex Mono */

:root {
  --paper: #F4F3F0;
  --panel: rgba(255,255,255,.62);
  --ink: #0E0F11;
  --ink-soft: #1C1E22;
  --muted: #6E7278;
  --line: 14,15,17;
  --accent: #3F6B4F;
  --on-ink: #F4F3F0;
  --error: #A3342B;
  --gutter: clamp(22px, 5vw, 66px);
}
[data-theme="dark"] {
  --paper: #0E0F11;
  --panel: rgba(244,243,240,.035);
  --ink: #F4F3F0;
  --ink-soft: #E4E2DD;
  --muted: #8A9098;
  --line: 244,243,240;
  --accent: #7FA98C;
  --on-ink: #0E0F11;
  --error: #D98077;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--muted); }
::placeholder { color: var(--muted); opacity: 1; }
:focus-visible { outline: 1px solid var(--accent); outline-offset: 2px; }
::selection { background: rgba(var(--line), .14); }

.mono { font-family: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; }
.skip { position: absolute; left: -9999px; top: 0; padding: 10px 14px; background: var(--ink); color: var(--on-ink);
  font-size: 13px; z-index: 10; }
.skip:focus { left: 8px; top: 8px; color: var(--on-ink); }
[hidden] { display: none !important; }

/* ── Shell ─────────────────────────────────────────────────────────── */
.page {
  position: relative; min-height: 100svh;
  display: grid; grid-template-rows: auto auto 1fr auto auto;
  background: var(--paper); color: var(--ink);
  transition: background-color .28s ease;
}
.page::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(115% 85% at 6% -8%, rgba(var(--line), .055), transparent 60%);
}
.page > * { position: relative; z-index: 1; }

.tick { position: absolute; width: 9px; height: 9px; z-index: 2; }
.tick-tl { top: 13px; left: 13px; border-top: 1px solid rgba(var(--line), .42); border-left: 1px solid rgba(var(--line), .42); }
.tick-tr { top: 13px; right: 13px; border-top: 1px solid rgba(var(--line), .42); border-right: 1px solid rgba(var(--line), .42); }
.tick-bl { bottom: 13px; left: 13px; border-bottom: 1px solid rgba(var(--line), .42); border-left: 1px solid rgba(var(--line), .42); }
.tick-br { bottom: 13px; right: 13px; border-bottom: 1px solid rgba(var(--line), .42); border-right: 1px solid rgba(var(--line), .42); }

/* ── Header ────────────────────────────────────────────────────────── */
.hdr { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px 24px;
  padding: clamp(18px, 3.4svh, 28px) var(--gutter) clamp(14px, 2.4svh, 20px);
  opacity: 0; animation: cs-in .7s ease-out .05s forwards; }
.brand { display: inline-flex; align-items: center; }
.brand:hover { color: var(--ink); }
.brand-name { font-size: clamp(13px, 1.3vw, 15px); font-weight: 600; letter-spacing: .2em; }
.hdr-right { display: flex; align-items: center; gap: 18px; }
.stamp { display: flex; align-items: center; gap: 10px; margin: 0; font-size: 10px; letter-spacing: .17em; color: var(--muted); }
.dot { width: 5px; height: 5px; background: var(--accent); animation: cs-blink 2.6s steps(1, end) infinite; }
.stamp i { display: block; width: 24px; height: 1px; background: rgba(var(--line), .24); }
#clock { font-variant-numeric: tabular-nums; }

.theme { display: inline-flex; align-items: center; gap: 8px; min-height: 30px; padding: 6px 11px;
  font-family: "IBM Plex Mono", ui-monospace, Menlo, monospace; font-size: 9.5px; letter-spacing: .17em;
  color: var(--muted); background: transparent; border: 1px solid rgba(var(--line), .22); border-radius: 0;
  cursor: pointer; transition: color .16s ease, border-color .16s ease; }
.theme:hover { color: var(--ink); border-color: rgba(var(--line), .45); }
.theme .sw { display: block; width: 9px; height: 9px; border: 1px solid currentColor;
  background: linear-gradient(to right, currentColor 0 50%, transparent 50% 100%); }

/* Measurement ruler — the page's structural motif */
.ruler {
  height: 13px; border-bottom: 1px solid rgba(var(--line), .16);
  background-repeat: repeat-x, repeat-x; background-position: left bottom, left bottom;
  background-size: 11px 4px, 66px 8px;
  background-image:
    repeating-linear-gradient(to right, rgba(var(--line), .26) 0 1px, transparent 1px 11px),
    repeating-linear-gradient(to right, rgba(var(--line), .4) 0 1px, transparent 1px 66px);
  opacity: 0; animation: cs-in .8s ease-out .12s forwards;
}

/* ── Main grid ─────────────────────────────────────────────────────── */
.main { display: flex; flex-direction: column; justify-content: center;
  padding: clamp(30px, 6svh, 88px) var(--gutter) clamp(26px, 5svh, 64px); }
.cols { display: grid; grid-template-columns: minmax(320px, 1.55fr) minmax(320px, 1fr);
  gap: clamp(36px, 4.6vw, 84px); align-items: start; width: 100%; max-width: 1380px; }
@media (max-width: 940px) {
  .cols { grid-template-columns: minmax(0, 1fr); gap: clamp(32px, 5svh, 46px); }
}

.idx { display: flex; align-items: center; gap: 12px; margin: 0 0 clamp(16px, 2.6svh, 28px);
  font-size: 10px; letter-spacing: .19em; color: var(--muted); }
.idx .n { color: var(--ink); }
.idx i { display: block; width: 26px; height: 1px; background: rgba(var(--line), .26); }
.lead .idx { opacity: 0; animation: cs-in .7s ease-out .16s forwards; }
.lead .idx i { background: var(--accent); }

h1 { margin: 0; font-size: min(clamp(2rem, 4.4vw, 4.1rem), 13.5svh); font-weight: 600; line-height: 1.02;
  letter-spacing: -.035em; overflow-wrap: break-word; color: var(--ink); }
h1 span { display: block; opacity: 0; }
h1 span:nth-child(1) { animation: cs-rise .85s cubic-bezier(.22,.61,.36,1) .22s forwards; }
h1 span:nth-child(2) { color: var(--muted); animation: cs-rise .85s cubic-bezier(.22,.61,.36,1) .34s forwards; }

.rule { display: block; height: 1px; margin: clamp(20px, 3svh, 34px) 0 0; background: rgba(var(--line), .26);
  transform-origin: left center; animation: cs-grow .9s cubic-bezier(.22,.61,.36,1) .52s backwards; }

.lede { margin: clamp(18px, 2.6svh, 28px) 0 0; max-width: 26ch; font-size: clamp(18px, 2.1vw, 26px);
  font-weight: 500; line-height: 1.26; letter-spacing: -.02em; text-wrap: pretty; color: var(--ink);
  opacity: 0; animation: cs-in .8s ease-out .58s forwards; }
.note { margin: clamp(12px, 1.8svh, 18px) 0 0; max-width: 48ch; font-size: clamp(14px, 1.4vw, 16px);
  line-height: 1.6; color: var(--muted); text-wrap: pretty;
  opacity: 0; animation: cs-in .8s ease-out .66s forwards; }

.aside { display: flex; flex-direction: column; opacity: 0; animation: cs-in .8s ease-out .72s forwards; }
.idx-c { margin: clamp(26px, 4svh, 42px) 0 14px; }
@media (min-width: 941px) {
  .aside { padding-top: 3px; }
  h1 { max-width: 22ch; }
}

/* ── Registry ──────────────────────────────────────────────────────── */
.registry { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 0 20px; margin: 0;
  font-size: 10.5px; letter-spacing: .12em; border-top: 1px solid rgba(var(--line), .2); }
.registry dt { padding: 12px 0; color: var(--muted); border-bottom: 1px solid rgba(var(--line), .1); }
.registry dd { margin: 0; padding: 12px 0; color: var(--ink); border-bottom: 1px solid rgba(var(--line), .1); }

/* ── Contact panel ─────────────────────────────────────────────────── */
.panel { position: relative; padding: clamp(20px, 2.4vw, 28px); background: var(--panel);
  border: 1px solid rgba(var(--line), .24); }
.panel::after { content: ""; position: absolute; top: -1px; right: -1px; width: 12px; height: 12px;
  border-top: 1px solid var(--accent); border-right: 1px solid var(--accent); }
.panel h2 { margin: 0; font-size: clamp(15px, 1.5vw, 17px); font-weight: 600; letter-spacing: -.005em; color: var(--ink); }
.panel .sub { margin: 6px 0 0; font-size: 13.5px; line-height: 1.5; color: var(--muted); }

.form { margin-top: 20px; display: flex; flex-direction: column; gap: 14px; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin: 0; }
.f { display: flex; flex-direction: column; gap: 6px; margin: 0; }
.lbl { font-size: 9.5px; letter-spacing: .18em; color: var(--muted); }
.field { width: 100%; min-height: 46px; padding: 12px 13px; font-family: inherit; font-size: 15px;
  color: var(--ink); background: transparent; border: 1px solid rgba(var(--line), .26); border-radius: 0;
  transition: border-color .16s ease; }
.field:hover { border-color: rgba(var(--line), .46); }
.field:focus { outline: none; border-color: var(--ink); }
.field[aria-invalid="true"] { border-color: var(--error); }
.area { min-height: 88px; resize: vertical; line-height: 1.5; }
.err { min-height: 13px; font-size: 10px; letter-spacing: .06em; color: var(--error); }
.trap { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-top: 2px; }
.btn { flex: 0 0 auto; white-space: nowrap; min-height: 46px; display: inline-flex; align-items: center;
  justify-content: center; gap: 9px; padding: 13px 22px; font-family: inherit; font-size: 14px; font-weight: 500;
  color: var(--on-ink); background: var(--ink); border: 1px solid var(--ink); border-radius: 0; cursor: pointer;
  transition: background .16s ease, border-color .16s ease, opacity .16s ease; }
.btn:hover:not([disabled]) { background: var(--ink-soft); border-color: var(--ink-soft); }
.btn[disabled] { opacity: .34; cursor: not-allowed; }
.spinner { width: 12px; height: 12px; border: 1.5px solid rgba(var(--line), .35); border-top-color: var(--on-ink);
  border-radius: 50%; animation: cs-spin .8s linear infinite; }
.msg { flex: 1 1 140px; min-height: 14px; margin: 0; font-size: 10.5px; letter-spacing: .05em; color: var(--muted); }
.msg.is-error { color: var(--error); }

.ok { display: flex; align-items: baseline; gap: 12px; margin-top: 20px; padding: 15px 16px;
  border: 1px solid rgba(var(--line), .22); }
.ok span { font-size: 9.5px; letter-spacing: .17em; color: var(--accent); white-space: nowrap; }
.ok p { margin: 0; font-size: 14px; line-height: 1.5; color: var(--ink); }
.direct { margin: 16px 0 0; padding-top: 14px; border-top: 1px solid rgba(var(--line), .12);
  font-size: 10px; letter-spacing: .12em; color: var(--muted); word-break: break-word; }

/* ── Domains strip ─────────────────────────────────────────────────── */
.domains { padding: clamp(20px, 3svh, 30px) var(--gutter); border-top: 1px solid rgba(var(--line), .16);
  opacity: 0; animation: cs-in .8s ease-out .8s forwards; }
.domains .idx { margin-bottom: 14px; }
.domain-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px; margin: 0; padding: 0; list-style: none; background: rgba(var(--line), .14); }
.domain-list li { padding: 16px 16px; font-size: 11px; letter-spacing: .16em; color: var(--ink); background: var(--paper); }
@media (max-width: 620px) {
  .domain-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ── Footer ────────────────────────────────────────────────────────── */
.ftr { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 24px;
  padding: clamp(14px, 3svh, 22px) var(--gutter); border-top: 1px solid rgba(var(--line), .16);
  font-size: 10px; letter-spacing: .12em; color: var(--muted);
  opacity: 0; animation: cs-in .7s ease-out .86s forwards; }
.parent { display: inline-flex; align-items: center; gap: 8px; }
.parent img { display: block; height: 11px; width: auto; opacity: .7; }
[data-theme="dark"] .parent img { filter: invert(1); opacity: .8; }

@media (max-width: 620px) {
  .brand-name { letter-spacing: .15em; }
  .hdr-right { width: 100%; justify-content: space-between; gap: 12px; }
  .ftr { row-gap: 10px; }
  .btn { width: 100%; }
  .msg { flex-basis: 100%; }
}

@keyframes cs-in { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }
@keyframes cs-rise { from { opacity: 0; transform: translateY(.14em); } to { opacity: 1; transform: none; } }
@keyframes cs-spin { to { transform: rotate(360deg); } }
@keyframes cs-blink { 0%, 55% { opacity: 1; } 56%, 100% { opacity: .16; } }
@keyframes cs-grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@media (prefers-reduced-motion: reduce) {
  .hdr, .ruler, .lead .idx, h1 span, .lede, .note, .aside, .domains, .ftr, .rule {
    animation: none !important; opacity: 1 !important; transform: none !important; }
  .dot, .spinner { animation: none !important; }
}

@media print {
  .theme, .ruler, .tick { display: none; }
  body { background: #fff; color: #000; }
}