/* Till Tape Ledger — bobina térmica
   Distinto de: chalktally (chalk board), plomada (osso/latão), rentamesa, zestloom */

:root {
  color-scheme: light;
  --paper: #e8f0f2;
  --paper-2: #f4f8f9;
  --paper-edge: #d2dde3;
  --ink: #1a2330;
  --ink-soft: #3a4654;
  --ticket-red: #c42b2b;
  --ticket-red-dim: #9e2222;
  --sprocket: #7a858f;
  --sprocket-dark: #5a646c;
  --line: rgba(26, 35, 48, 0.14);
  --dash: rgba(196, 43, 43, 0.45);
  --display: "Bricolage Grotesque", "Arial Narrow", sans-serif;
  --text: "Source Sans 3", "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", Consolas, monospace;
  --shell: 66rem;
  --gutter: clamp(1.15rem, 4vw, 2.6rem);
  --band: clamp(2.4rem, 5vw, 4.2rem);
  --pin: 0.55rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background:
    radial-gradient(ellipse 70% 40% at 90% 0%, rgba(122, 133, 143, 0.12), transparent 50%),
    linear-gradient(180deg, #dce6ea 0%, var(--paper) 35%, var(--paper-2) 100%);
  color: var(--ink);
  font-family: var(--text);
  font-size: clamp(1.05rem, 1rem + 0.2vw, 1.14rem);
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}

.skip {
  position: absolute; left: -9999px;
  background: var(--ink); color: var(--paper); padding: 0.7rem 1rem; z-index: 40;
}
.skip:focus { left: 0.75rem; top: 0.75rem; }
:focus-visible { outline: 3px solid var(--ticket-red); outline-offset: 3px; }

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

/* Pin-feed mast */
.top {
  position: relative;
  background:
    linear-gradient(90deg, var(--paper-edge) 0, var(--paper-edge) 1.35rem, transparent 1.35rem),
    linear-gradient(270deg, var(--paper-edge) 0, var(--paper-edge) 1.35rem, transparent 1.35rem),
    linear-gradient(180deg, #f7fbfc, var(--paper));
  color: var(--ink);
  border-bottom: none;
  box-shadow: 0 1px 0 var(--line);
}
.top::before,
.top::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 1.35rem;
  background:
    radial-gradient(circle at 50% 0.85rem, var(--sprocket-dark) var(--pin), transparent calc(var(--pin) + 1px)),
    radial-gradient(circle at 50% 2.35rem, var(--sprocket-dark) var(--pin), transparent calc(var(--pin) + 1px)),
    radial-gradient(circle at 50% 3.85rem, var(--sprocket-dark) var(--pin), transparent calc(var(--pin) + 1px)),
    radial-gradient(circle at 50% 5.35rem, var(--sprocket-dark) var(--pin), transparent calc(var(--pin) + 1px));
  background-size: 100% 1.5rem;
  pointer-events: none;
  opacity: 0.85;
}
.top::before { left: 0; }
.top::after { right: 0; }

.top__row {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 0.75rem;
  padding-block: 1rem 0.45rem;
  padding-inline: 0.5rem;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--display); font-weight: 700;
  font-size: clamp(1.45rem, 1.15rem + 1.1vw, 1.95rem);
  letter-spacing: -0.02em;
  color: var(--ink); text-decoration: none;
}
.brand__mark {
  width: 1.45rem; height: 1.55rem;
  border: 2px solid var(--ink);
  border-radius: 2px 2px 0 0;
  background:
    repeating-linear-gradient(180deg, transparent, transparent 3px, var(--ticket-red) 3px, var(--ticket-red) 4px),
    var(--paper-2);
  display: inline-block;
  position: relative;
}
.brand__mark::after {
  content: "";
  position: absolute; left: -2px; right: -2px; bottom: -4px;
  height: 3px;
  border-top: 1px dashed var(--ticket-red);
}
.top__meta {
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.08em; color: var(--sprocket); text-transform: uppercase;
}
.nav {
  display: flex; flex-wrap: wrap; gap: 0.35rem 1.5rem;
  padding-block: 0.4rem 0.95rem;
  padding-inline: 0.5rem;
  border-top: 1px dashed var(--line);
}
.nav a {
  font-family: var(--display); font-weight: 600; font-size: 0.92rem;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--ink-soft); text-decoration: none;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ticket-red); }

/* Tear line under mast */
.tear {
  height: 14px;
  background:
    linear-gradient(135deg, transparent 45%, var(--paper-edge) 46%, var(--paper-edge) 54%, transparent 55%) 0 0 / 12px 100%,
    linear-gradient(180deg, var(--paper) 40%, transparent 41%);
  border-top: 1px dashed var(--dash);
  margin-bottom: 0;
}

/* Hero — full-bleed thermal plane */
.hero {
  position: relative;
  overflow: hidden;
  background:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 11px,
      rgba(122, 133, 143, 0.06) 11px,
      rgba(122, 133, 143, 0.06) 12px
    ),
    linear-gradient(180deg, #f0f6f8 0%, var(--paper) 55%, #dfe8ec 100%);
  border-bottom: 1px solid var(--line);
  min-height: min(78vh, 38rem);
  display: flex; align-items: flex-end;
  padding-block: clamp(2.5rem, 8vw, 5rem) var(--band);
}
.hero__feed {
  position: absolute; inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 0.7rem 1.2rem, var(--sprocket) 0.28rem, transparent 0.3rem),
    radial-gradient(circle at calc(100% - 0.7rem) 1.2rem, var(--sprocket) 0.28rem, transparent 0.3rem);
  background-size: 100% 1.4rem;
  opacity: 0.55;
  animation: feed-scroll 18s linear infinite;
}
@keyframes feed-scroll {
  from { background-position: 0 0; }
  to { background-position: 0 1.4rem; }
}
.hero__ribbon {
  position: absolute;
  right: clamp(1rem, 6vw, 4rem);
  top: 12%;
  width: min(42vw, 16rem);
  height: 70%;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.55), transparent 30%),
    repeating-linear-gradient(180deg, #f7fbfc 0 18px, #edf3f5 18px 36px);
  border-left: 2px solid var(--sprocket);
  border-right: 2px solid var(--sprocket);
  box-shadow: -8px 12px 28px rgba(26, 35, 48, 0.12);
  transform: rotate(4deg);
  opacity: 0.9;
  animation: ribbon-settle 1.1s ease-out both;
}
@keyframes ribbon-settle {
  from { transform: translateY(-12%) rotate(8deg); opacity: 0; }
  to { transform: rotate(4deg); opacity: 0.9; }
}
.hero__content {
  position: relative; z-index: 1;
  max-width: 38rem;
  animation: hero-ink 0.9s ease-out 0.15s both;
}
@keyframes hero-ink {
  from { opacity: 0; transform: translateY(0.6rem); }
  to { opacity: 1; transform: none; }
}
.hero__brand {
  margin: 0 0 0.65rem;
  font-family: var(--display); font-weight: 700;
  font-size: clamp(2.4rem, 1.6rem + 3.2vw, 3.8rem);
  letter-spacing: -0.03em; line-height: 1.05;
  color: var(--ink);
}
.hero h1 {
  margin: 0 0 0.85rem;
  font-family: var(--display); font-weight: 600;
  font-size: clamp(1.25rem, 1.05rem + 1vw, 1.65rem);
  line-height: 1.25; letter-spacing: -0.01em;
  color: var(--ink-soft);
  max-width: 28ch;
}
.hero__stand {
  margin: 0;
  font-size: 1.05rem;
  color: var(--sprocket-dark);
  max-width: 36ch;
  border-left: 3px solid var(--ticket-red);
  padding-left: 0.85rem;
}

.block { padding-block: var(--band); }
.block--tint {
  background: linear-gradient(180deg, rgba(255,255,255,0.45), transparent);
  border-block: 1px dashed var(--line);
}
.eyebrow {
  margin: 0 0 0.4rem;
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ticket-red);
}
h2 {
  margin: 0 0 1rem;
  font-family: var(--display); font-weight: 700;
  font-size: clamp(1.45rem, 1.2rem + 0.9vw, 1.9rem);
  letter-spacing: -0.02em;
}
.lede {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}
.lede p {
  margin: 0;
  padding: 1rem 1.1rem;
  background: rgba(255,255,255,0.55);
  border: 1px solid var(--line);
  border-top: 3px solid var(--sprocket);
}

.library { display: grid; gap: 1rem; }
.card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.25rem;
  padding: 1.15rem 1.2rem;
  background: var(--paper-2);
  border: 1px solid var(--line);
  position: relative;
}
.card::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 8px;
  background: linear-gradient(135deg, transparent 40%, var(--ticket-red) 41%, var(--ticket-red) 45%, transparent 46%) 0 0 / 10px 100%;
  opacity: 0.35;
}
.card__id {
  margin: 0;
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ticket-red); writing-mode: vertical-rl;
  transform: rotate(180deg);
}
.card h3 { margin: 0 0 0.35rem; font-family: var(--display); font-size: 1.15rem; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: var(--ticket-red); }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.98rem; }

.notice {
  padding: 1.1rem 1.25rem;
  border: 1px dashed var(--dash);
  background: rgba(196, 43, 43, 0.04);
}
.notice p { margin: 0 0 0.6rem; }
.notice p:last-child { margin: 0; }

.article__head { padding-block: clamp(2rem, 5vw, 3.2rem) 0.5rem; }
.article__meta {
  margin: 0.75rem 0 0;
  font-family: var(--mono); font-size: 0.78rem;
  color: var(--sprocket); letter-spacing: 0.04em;
}
.prose { max-width: 42rem; }
.prose h2 { margin-top: 2rem; }
.prose p, .prose li { color: var(--ink-soft); }
.prose ul { padding-left: 1.2rem; }
.prose a { color: var(--ticket-red-dim); }
.backlink {
  display: inline-block; margin-top: 1.5rem;
  font-family: var(--mono); font-size: 0.85rem;
  color: var(--ticket-red); text-decoration: none;
}
.backlink:hover { text-decoration: underline; }

.void { padding-block: clamp(3rem, 10vw, 6rem); min-height: 50vh; }

.foot {
  margin-top: var(--band);
  padding-block: 1.5rem 2rem;
  border-top: 1px dashed var(--dash);
  background:
    linear-gradient(90deg, var(--paper-edge) 0, var(--paper-edge) 1.1rem, transparent 1.1rem),
    linear-gradient(270deg, var(--paper-edge) 0, var(--paper-edge) 1.1rem, transparent 1.1rem),
    var(--paper);
  position: relative;
}
.foot::before,
.foot::after {
  content: "";
  position: absolute; top: 0; bottom: 0; width: 1.1rem;
  background: radial-gradient(circle at 50% 0.9rem, var(--sprocket-dark) 0.22rem, transparent 0.24rem);
  background-size: 100% 1.35rem;
  opacity: 0.7;
}
.foot::before { left: 0; }
.foot::after { right: 0; }
.foot__nav {
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.1rem;
  margin-bottom: 0.85rem;
}
.foot__nav a {
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--sprocket-dark); text-decoration: none;
}
.foot__nav a:hover { color: var(--ticket-red); }
.foot__note {
  margin: 0;
  font-size: 0.9rem; color: var(--sprocket);
}
.foot__note a { color: var(--ink-soft); }

@media (max-width: 640px) {
  .hero__ribbon { display: none; }
  .card { grid-template-columns: 1fr; }
  .card__id { writing-mode: horizontal-tb; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__feed, .hero__ribbon, .hero__content { animation: none; }
}