/* Stampfolio — Library Stamp Editorial
   Distinto de: chalktally (lousa), plomada (osso/latão), zestloom, sidekiln, lienzopago */

:root {
  color-scheme: light;
  --paper: #e8e4dc;
  --paper-2: #f3efe6;
  --stone: #d4cfc4;
  --ink: #2a2e33;
  --ink-soft: #5a616b;
  --carmine: #9b2d3a;
  --carmine-deep: #7a1f2c;
  --navy: #1e2a44;
  --navy-shelf: #152033;
  --seal: #c45c4a;
  --line: rgba(30, 42, 68, 0.18);
  --perf: rgba(30, 42, 68, 0.28);
  --display: "Bitter", Georgia, "Times New Roman", serif;
  --text: "Source Sans 3", "Segoe UI", sans-serif;
  --shell: 66rem;
  --gutter: clamp(1.1rem, 4vw, 2.5rem);
  --band: clamp(2.4rem, 5vw, 4.2rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(ellipse 70% 40% at 90% 0%, rgba(155, 45, 58, 0.07), transparent 50%),
    radial-gradient(ellipse 50% 35% at 0% 100%, rgba(30, 42, 68, 0.08), transparent 55%),
    linear-gradient(180deg, var(--stone) 0%, var(--paper) 28%, var(--paper-2) 100%);
  color: var(--ink);
  font-family: var(--text);
  font-size: clamp(1.02rem, 0.98rem + 0.2vw, 1.125rem);
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}

.skip {
  position: absolute; left: -9999px;
  background: var(--navy); color: var(--paper-2); padding: 0.65rem 1rem; z-index: 40;
}
.skip:focus { left: 0.75rem; top: 0.75rem; }
:focus-visible { outline: 3px solid var(--carmine); outline-offset: 3px; }

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

/* Perforated ticket edge */
.perf {
  position: relative;
}
.perf::before,
.perf::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 10px;
  background:
    radial-gradient(circle at center, transparent 3px, var(--paper) 3.2px) 0 0 / 10px 14px;
  pointer-events: none;
  opacity: 0.9;
}
.perf::before { left: -5px; }
.perf::after { right: -5px; transform: scaleX(-1); }

@media (prefers-reduced-motion: no-preference) {
  .stamp {
    animation: stamp-in 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) both;
  }
  .seal {
    animation: seal-press 0.9s 0.15s cubic-bezier(0.2, 0.75, 0.25, 1) both;
  }
  .hero__brand {
    animation: fade-rise 0.8s 0.05s ease both;
  }
}
@keyframes stamp-in {
  from { opacity: 0; transform: translateY(-8px) rotate(-4deg) scale(1.08); }
  to { opacity: 1; transform: none; }
}
@keyframes seal-press {
  from { opacity: 0; transform: scale(1.25) rotate(8deg); }
  to { opacity: 0.92; transform: rotate(-6deg); }
}
@keyframes fade-rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .stamp, .seal, .hero__brand { animation: none; }
}

/* Mast / shelf */
.top {
  background:
    linear-gradient(180deg, var(--navy-shelf), var(--navy));
  color: var(--paper-2);
  border-bottom: 4px solid var(--carmine);
  box-shadow: inset 0 -10px 24px rgba(0,0,0,0.25);
}
.top__row {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 0.75rem;
  padding-block: 0.9rem 0.35rem;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--display); font-weight: 700;
  font-size: clamp(1.45rem, 1.15rem + 1vw, 1.9rem);
  letter-spacing: 0.02em;
  color: var(--paper-2); text-decoration: none;
}
.brand__mark {
  width: 1.55rem; height: 1.55rem;
  border: 2px solid var(--carmine);
  border-radius: 50%;
  box-shadow: inset 0 0 0 3px rgba(243, 239, 230, 0.15);
  position: relative;
}
.brand__mark::after {
  content: "";
  position: absolute; inset: 4px;
  border: 1.5px dashed rgba(243, 239, 230, 0.55);
  border-radius: 50%;
}
.top__meta {
  font-size: 0.82rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: rgba(243, 239, 230, 0.72);
}
.nav {
  display: flex; flex-wrap: wrap; gap: 0.35rem 1.25rem;
  padding-block: 0.35rem 0.95rem;
  font-size: 0.95rem;
}
.nav a {
  color: rgba(243, 239, 230, 0.88); text-decoration: none;
  border-bottom: 1px solid transparent;
}
.nav a:hover,
.nav a[aria-current="page"] {
  color: #fff;
  border-bottom-color: var(--carmine);
}

/* Hero */
.hero {
  position: relative;
  padding-block: clamp(2.8rem, 7vw, 5rem) clamp(2.2rem, 5vw, 3.5rem);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(30, 42, 68, 0.04), transparent 45%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 27px,
      rgba(30, 42, 68, 0.04) 27px,
      rgba(30, 42, 68, 0.04) 28px
    );
}
.hero__content { position: relative; z-index: 2; max-width: 42rem; }
.hero__brand {
  margin: 0 0 0.65rem;
  font-family: var(--display); font-weight: 700;
  font-size: clamp(2.4rem, 1.6rem + 3.2vw, 3.6rem);
  line-height: 1.05; color: var(--navy);
  letter-spacing: -0.02em;
}
.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--display); font-weight: 600;
  font-size: clamp(1.25rem, 1.05rem + 0.85vw, 1.65rem);
  line-height: 1.35; color: var(--ink);
}
.hero__stand {
  margin: 0; max-width: 36rem;
  color: var(--ink-soft); font-size: 1.05rem;
}
.hero__stamps {
  position: absolute; inset: 0; pointer-events: none; z-index: 1;
}
.stamp {
  position: absolute;
  font-family: var(--display); font-weight: 700;
  font-size: 0.72rem; letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--carmine);
  border: 2px solid var(--carmine);
  padding: 0.35rem 0.55rem;
  opacity: 0.78;
  transform: rotate(-8deg);
  background: rgba(243, 239, 230, 0.35);
}
.stamp--a { top: 18%; right: 8%; }
.stamp--b { bottom: 22%; right: 18%; transform: rotate(7deg); color: var(--navy); border-color: var(--navy); }
.seal {
  position: absolute;
  width: 4.2rem; height: 4.2rem;
  border-radius: 50%;
  border: 3px double var(--seal);
  color: var(--seal);
  display: grid; place-items: center;
  font-family: var(--display); font-size: 0.58rem;
  font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; text-align: center;
  line-height: 1.15;
  top: 28%; right: 28%;
  opacity: 0.85;
  background: rgba(196, 92, 74, 0.06);
}
@media (max-width: 720px) {
  .stamp--b, .seal { display: none; }
  .stamp--a { right: 4%; top: 8%; font-size: 0.62rem; }
}

.block { padding-block: var(--band); }
.block--tint {
  background: rgba(30, 42, 68, 0.04);
  border-block: 1px solid var(--line);
}
.eyebrow {
  margin: 0 0 0.4rem;
  font-size: 0.78rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--carmine);
  font-weight: 700;
}
h2 {
  margin: 0 0 1.1rem;
  font-family: var(--display); font-weight: 700;
  font-size: clamp(1.45rem, 1.2rem + 0.9vw, 1.9rem);
  color: var(--navy); letter-spacing: -0.01em;
}
h3 {
  margin: 0 0 0.45rem;
  font-family: var(--display); font-weight: 600;
  font-size: 1.15rem; color: var(--navy);
}
.lede {
  display: grid; gap: 0.85rem;
  max-width: 48rem;
}
.lede p { margin: 0; color: var(--ink-soft); }

.library { display: grid; gap: 1.1rem; }
.entry {
  display: grid; gap: 0.35rem 1.25rem;
  grid-template-columns: auto 1fr;
  align-items: start;
  padding: 1.15rem 1.25rem;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--carmine);
  box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset;
  position: relative;
}
.entry__id {
  margin: 0;
  font-family: var(--display); font-size: 0.72rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--carmine); font-weight: 700;
  writing-mode: horizontal-tb;
  min-width: 4.5rem;
}
.entry p:last-child { margin: 0; color: var(--ink-soft); font-size: 0.98rem; }
.entry a {
  color: var(--navy); text-decoration: none;
  border-bottom: 1px solid transparent;
}
.entry a:hover { border-bottom-color: var(--carmine); color: var(--carmine-deep); }

.standards {
  margin: 0; padding: 0; list-style: none;
  display: grid; gap: 0.85rem;
}
.standards li {
  padding: 0.9rem 1rem 0.9rem 1.15rem;
  background: rgba(243, 239, 230, 0.65);
  border: 1px dashed var(--perf);
  border-radius: 2px;
}
.standards strong { color: var(--navy); }

.not-list {
  margin: 0; padding-left: 1.2rem;
  display: grid; gap: 0.45rem; color: var(--ink-soft);
}

.faq { display: grid; gap: 0.85rem; max-width: 48rem; }
.faq details {
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 0.85rem 1rem;
}
.faq summary {
  cursor: pointer; font-weight: 700; color: var(--navy);
  font-family: var(--display);
}
.faq p { margin: 0.65rem 0 0; color: var(--ink-soft); }

.support {
  padding: 1.25rem 1.35rem;
  background: var(--navy);
  color: var(--paper-2);
  border-top: 4px solid var(--carmine);
}
.support a { color: #f0c9ce; }
.support p { margin: 0.4rem 0; }

.page-hero {
  padding-block: 2.4rem 1.2rem;
  border-bottom: 1px solid var(--line);
}
.page-hero h1 {
  margin: 0.35rem 0 0;
  font-family: var(--display);
  font-size: clamp(1.7rem, 1.3rem + 1.4vw, 2.35rem);
  color: var(--navy);
}
.prose {
  max-width: 42rem;
  padding-block: 1.75rem 2.5rem;
}
.prose p { margin: 0 0 1rem; }
.prose ul, .prose ol { margin: 0 0 1rem; padding-left: 1.25rem; }
.prose li { margin-bottom: 0.35rem; }
.prose h2 {
  margin-top: 1.8rem;
  font-size: 1.35rem;
}
.meta {
  margin: 0;
  font-size: 0.88rem; color: var(--ink-soft);
  letter-spacing: 0.04em; text-transform: uppercase;
}

.article-stamp {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.3rem 0.55rem;
  border: 2px solid var(--carmine);
  color: var(--carmine);
  font-family: var(--display); font-size: 0.7rem;
  font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase;
  transform: rotate(-3deg);
}

.foot {
  margin-top: 2rem;
  padding-block: 1.5rem 2rem;
  background: var(--navy-shelf);
  color: rgba(243, 239, 230, 0.78);
  font-size: 0.92rem;
}
.foot a { color: #f0c9ce; text-decoration: none; }
.foot__row {
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem;
  justify-content: space-between; align-items: flex-start;
}
.foot nav { display: flex; flex-wrap: wrap; gap: 0.65rem 1rem; }
.foot p { margin: 0.35rem 0 0; max-width: 36rem; }

.err {
  min-height: 55vh; display: grid; place-items: center;
  text-align: center; padding: 3rem 1rem;
}
.err h1 { font-family: var(--display); color: var(--navy); }

@media (max-width: 560px) {
  .entry { grid-template-columns: 1fr; }
  .perf::before, .perf::after { display: none; }
}