@font-face {
  font-family: "Archivo";
  src: url("assets/fonts/archivo.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
}
@font-face {
  font-family: "Source Serif 4";
  src: url("assets/fonts/source-serif.woff2") format("woff2");
  font-weight: 200 900;
  font-display: swap;
}
@font-face {
  font-family: "Source Serif 4";
  src: url("assets/fonts/source-serif-italic.woff2") format("woff2");
  font-weight: 200 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Courier Prime";
  src: url("assets/fonts/courier-prime.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

:root {
  --paper: #fafaf7;
  --ink: #16181d;
  --ink-2: #474d57;
  --typed: #1d2a52;
  --rule: #c3cbdc;
  --rule-strong: #3b5aa0;
  --blue: #3b5aa0;
  --orange: #f08a1c;
  --green: #567436;
  --carbon: #213c7c;
  --carbon-ink: #dfe6f6;

  --display: "Archivo", "Arial Narrow", sans-serif;
  --serif: "Source Serif 4", Georgia, serif;
  --type: "Courier Prime", "Courier New", monospace;

  --pad: clamp(1rem, 4vw, 3.5rem);
  --margin: clamp(3.25rem, 13vw, 11.5rem);
  --gap: clamp(1.25rem, 2.6vw, 2.5rem);
  --max: 1320px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.0625rem, .35vw + 1rem, 1.25rem);
  line-height: 1.6;
  font-optical-sizing: auto;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--orange); color: var(--ink); }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 4px; border-radius: 2px; }
html { scrollbar-color: var(--blue) var(--paper); }

.defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.skip {
  position: absolute; left: var(--pad); top: -4rem; z-index: 10;
  padding: .6rem 1rem; background: var(--ink); color: var(--paper);
  font: 600 .875rem/1 var(--display); text-decoration: none;
}
.skip:focus { top: 1rem; }

/* ── The sheet ─────────────────────────────────────────── */
.doc {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad) clamp(4rem, 9vw, 8rem);
  /* the ofício margin: a double rule between label column and text */
  background:
    linear-gradient(var(--blue), var(--blue)) no-repeat calc(var(--pad) + var(--margin) + var(--gap) / 2 - 3px) 0 / 1px 100%,
    linear-gradient(var(--blue), var(--blue)) no-repeat calc(var(--pad) + var(--margin) + var(--gap) / 2 + 1px) 0 / 1px 100%;
}

.row {
  display: grid;
  grid-template-columns: var(--margin) minmax(0, 1fr);
  column-gap: var(--gap);
  align-items: baseline;
}

.label {
  margin: 0;
  justify-self: end;
  text-align: right;
  font: 600 .75rem/1.2 var(--display);
  font-stretch: 100%;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.label.art {
  font-size: clamp(2.5rem, 7vw, 6rem);
  line-height: .85;
  font-weight: 900;
  font-stretch: 62%;
  letter-spacing: -.02em;
  text-transform: none;
  color: var(--blue);
  white-space: nowrap;
}
.art-word {
  display: block;
  font-size: .75rem;
  font-weight: 700;
  font-stretch: 100%;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: .35rem;
}

.typed { font-family: var(--type); color: var(--typed); letter-spacing: .01em; }

/* ── Letterhead ────────────────────────────────────────── */
.letterhead {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas: "brand meta" "index index";
  align-items: center;
  gap: 1.5rem 2rem;
  padding: clamp(1.25rem, 3vw, 2.25rem) 0 0;
  margin: 0 calc(var(--pad) * -1);
  padding-inline: var(--pad);
  background: var(--paper);
  position: relative;
}
.brand { grid-area: brand; display: block; width: clamp(9.5rem, 17vw, 14.5rem); }
.meta {
  grid-area: meta;
  justify-self: end;
  display: flex; gap: clamp(1.25rem, 3vw, 3rem);
  margin: 0;
}
.meta div { display: grid; gap: .2rem; }
.meta dt { font: 600 .6875rem/1 var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); }
.meta dd { margin: 0; font-size: .9375rem; line-height: 1.3; }
.meta dd:not(.typed) { font-family: var(--display); font-weight: 500; }

.index {
  grid-area: index;
  display: flex; flex-wrap: wrap; gap: .25rem clamp(1rem, 3vw, 2.75rem);
  padding: .85rem 0 .9rem;
  border-top: 3px double var(--rule-strong);
  border-bottom: 1px solid var(--rule);
  font: 600 .875rem/1.3 var(--display);
}
.index a { text-decoration: none; display: inline-flex; gap: .45rem; align-items: baseline; padding: .2rem 0; }
.index span { font-weight: 800; font-stretch: 75%; color: var(--blue); }
.index a:hover { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: .3em; text-decoration-color: var(--orange); }

/* ── Art. 1º ───────────────────────────────────────────── */
.hero { padding-top: clamp(3rem, 8vw, 6.5rem); }
h1, h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 800;
  font-stretch: 68%;
  color: var(--ink);
  text-wrap: balance;
  word-spacing: .08em;
}
h1 {
  font-size: clamp(2.6rem, 7.6vw, 6rem);
  line-height: .94;
  letter-spacing: -.02em;
  max-width: 15ch;
}
.hero .label:first-child { align-self: start; padding-top: .9em; }

.clause { margin-top: clamp(2rem, 4.5vw, 3.5rem); }
.lead {
  margin: 0;
  max-width: 44ch;
  font-size: clamp(1.25rem, 1.1vw + 1rem, 1.75rem);
  line-height: 1.6em;
  font-weight: 400;
}
/* paper ruled for writing: one blue line under every line of text */
.lead, .paragraphs p, .caput {
  --lh: 1.6em;
  line-height: var(--lh);
  background: repeating-linear-gradient(to bottom, transparent 0 calc(var(--lh) - 1px), rgba(59, 90, 160, .28) calc(var(--lh) - 1px) var(--lh));
}

.stamps {
  list-style: none;
  margin: clamp(-1rem, -1.5vw, -.5rem) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0 clamp(.25rem, 1.5vw, 1.5rem);
  align-items: flex-start;
}
.stamp { width: clamp(6.6rem, 20vw, 15.5rem); mix-blend-mode: multiply; transform: rotate(var(--r)) translateY(var(--y, 0)); }
.stamp svg { display: block; width: 100%; height: auto; overflow: visible; }
.stamp--blue   { --c: var(--blue);   --r: -7deg;  --y: .4rem; }
.stamp--orange { --c: var(--orange); --r: 3.5deg; --y: -.6rem; }
.stamp--green  { --c: var(--green);  --r: -2deg;  --y: .9rem; }
.stamp svg, .seal { color: var(--c); }
.st-outer { fill: none; stroke: currentColor; stroke-width: 6; }
.st-inner { fill: none; stroke: currentColor; stroke-width: 1.8; }
.st-small { fill: currentColor; font: 700 11px var(--display); font-stretch: 100%; letter-spacing: .22em; text-anchor: middle; }
.st-word  { fill: currentColor; font: 900 44px var(--display); font-stretch: 62%; text-anchor: middle; }

.field { margin-top: clamp(2.5rem, 5vw, 4rem); }
.field .label { align-self: center; }
.field-line {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1rem 2rem;
  padding: .4rem 0 .8rem;
  border-bottom: 1px solid var(--ink);
  max-width: 52rem;
}
.field-value {
  font-size: clamp(1.15rem, 1.4vw + .8rem, 1.75rem);
  text-decoration: none;
  overflow-wrap: anywhere;
}
.field-value:hover { text-decoration: underline; text-underline-offset: .25em; text-decoration-color: var(--orange); text-decoration-thickness: 2px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  min-height: 3rem;
  padding: .75rem 1.35rem;
  border: 2px solid var(--ink);
  outline: 1px solid var(--ink);
  outline-offset: -6px;
  background: transparent;
  color: var(--ink);
  font: 700 .875rem/1 var(--display);
  font-stretch: 85%;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background-color .25s var(--ease), color .25s var(--ease), outline-color .25s var(--ease);
}
.btn::after {
  content: "";
  width: 1.1rem; height: .7rem;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 22 14'%3E%3Cpath d='M0 7h19M13 1l6 6-6 6' fill='none' stroke='black' stroke-width='2'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 22 14'%3E%3Cpath d='M0 7h19M13 1l6 6-6 6' fill='none' stroke='black' stroke-width='2'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform .3s var(--ease);
}
.btn:hover { background: var(--blue); border-color: var(--blue); color: #fff; outline-color: #fff; }
.btn:hover::after { transform: translateX(.25rem); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }

/* ── Art. 2º ───────────────────────────────────────────── */
.where, .method { padding-top: clamp(5rem, 11vw, 9.5rem); }
h2 {
  font-size: clamp(2.2rem, 5.2vw, 4.5rem);
  line-height: .98;
  letter-spacing: -.015em;
  max-width: 18ch;
}
.where-body { margin-top: clamp(2rem, 4vw, 3.25rem); }
.where-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.paragraphs p { margin: 0 0 1.25em; max-width: 38ch; }
.paragraphs strong { font-weight: 700; color: var(--blue); }
.par { font-family: var(--display); font-weight: 800; font-stretch: 75%; color: var(--blue); margin-right: .35em; }

.annex {
  position: relative;
  margin: 0;
  padding: .75rem .75rem 0;
  border: 1px solid var(--ink);
  background: var(--paper);
  transform: rotate(1.2deg);
}
.annex img { width: 100%; filter: grayscale(1) contrast(1.05); mix-blend-mode: multiply; }
.annex figcaption {
  padding: .8rem .1rem .9rem;
  font: 400 .8125rem/1.5 var(--display);
  color: var(--ink-2);
}
.annex-tag {
  display: inline-block; margin-right: .5rem;
  font-weight: 800; font-stretch: 75%; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink);
}
.clip {
  position: absolute; top: -2.1rem; left: 1.75rem;
  width: 1.4rem; height: auto;
  fill: none; stroke: #6c7380; stroke-width: 2.4; stroke-linecap: round;
  transform: rotate(-4deg);
}

/* ── Art. 3º ───────────────────────────────────────────── */
.caput { margin: clamp(1.75rem, 3.5vw, 2.75rem) 0 1.25rem; font-size: clamp(1.125rem, .8vw + .95rem, 1.5rem); }
.incisos { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.inc {
  display: grid;
  grid-template-columns: clamp(3rem, 6vw, 5rem) minmax(0, 1fr);
  align-items: baseline;
  gap: 1rem;
  padding: clamp(.9rem, 1.6vw, 1.25rem) 0;
  border-bottom: 1px solid var(--rule);
}
.roman {
  font: 600 clamp(1.25rem, 2.2vw, 2rem)/1 var(--serif);
  color: var(--c);
  white-space: nowrap;
}
.inc-text {
  font: 700 clamp(1.5rem, 3.4vw, 3rem)/1.1 var(--display);
  font-stretch: 72%;
  letter-spacing: -.01em;
  word-spacing: .08em;
}
.inc--blue { --c: var(--blue); }
.inc--orange { --c: #d4720a; }
.inc--green { --c: var(--green); }

/* ── Carbon copy: the close ────────────────────────────── */
.carbon {
  position: relative;
  background: var(--carbon);
  color: #fff;
  overflow: hidden;
}
.carbon ::selection { background: var(--orange); color: var(--ink); }
.carbon-inner {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4.5rem, 10vw, 8.5rem) var(--pad) clamp(4.5rem, 9vw, 7.5rem);
  display: grid;
  gap: clamp(1.75rem, 3.5vw, 2.75rem);
}
.carbon .label { color: var(--carbon-ink); }
.carbon h2 { color: #fff; font-size: clamp(2.6rem, 7vw, 6rem); }
.carbon .row:first-child .label { align-self: center; }
.carbon-field {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255,255,255,.55);
  max-width: 62rem;
}
.carbon-mail {
  font-family: var(--type);
  font-size: clamp(1.35rem, 3.6vw, 3rem);
  line-height: 1.15;
  color: #fff;
  text-decoration: none;
}
.carbon-mail:hover { text-decoration: underline; text-decoration-color: var(--orange); text-decoration-thickness: 2px; text-underline-offset: .2em; }
.carbon-place { margin: 0; font-family: var(--display); font-weight: 500; font-size: 1.0625rem; color: var(--carbon-ink); }
.btn--paper { border-color: #fff; outline-color: #fff; color: #fff; }
.btn--paper:hover { background: #fff; border-color: #fff; outline-color: var(--carbon); color: var(--carbon); }

.seal {
  --c: var(--orange);
  position: absolute;
  right: clamp(-2.5rem, 3vw, 4rem);
  bottom: clamp(1.5rem, 5vw, 4.5rem);
  width: clamp(9rem, 22vw, 17rem);
  height: auto;
  transform: rotate(-14deg);
  pointer-events: none;
}
.seal-ring { fill: none; stroke: currentColor; stroke-width: 6; }
.seal-ring--thin { stroke-width: 2; }
.seal-arc { fill: currentColor; font: 800 15px var(--display); font-stretch: 80%; letter-spacing: .06em; }
.seal-mark { fill: none; stroke: currentColor; stroke-width: 8; stroke-linejoin: round; }
.seal-small { fill: currentColor; font: 700 11px var(--display); letter-spacing: .24em; text-anchor: middle; }

/* ── Signature ─────────────────────────────────────────── */
.signature {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3.5rem, 7vw, 5.5rem) var(--pad) 3rem;
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end;
  gap: 2rem;
}
.sig-line { border-top: 1px solid var(--ink); padding-top: .75rem; min-width: min(100%, 26rem); }
.sig-name { margin: 0; font: 700 1rem/1.3 var(--display); }
.sig-role, .sig-copy { margin: .2rem 0 0; font: 400 .8125rem/1.5 var(--display); color: var(--ink-2); }

/* Wide screens: the stamps land in the right half of the sheet, beside the Assunto */
@media (min-width: 1000px) {
  .hero { position: relative; padding-top: clamp(2.5rem, 4vw, 3.5rem); }
  .stamps-row { position: absolute; z-index: 2; top: clamp(5.5rem, 9vw, 8.5rem); right: clamp(1rem, 13vw, 14rem); display: block; pointer-events: none; }
  .stamps-row > .label { display: none; }
  .stamps { flex-direction: column; align-items: flex-end; margin: 0; }
  .stamp { width: clamp(13rem, 19vw, 17rem); }
  .stamp + .stamp { margin-top: -.5rem; }
  .stamp--blue   { --r: -8deg;  --y: 0; margin-right: 3rem; }
  .stamp--orange { --r: 5deg;   --y: 0; margin-right: .5rem; }
  .stamp--green  { --r: -3deg;  --y: 0; margin-right: 4rem; }
  h1 { font-size: clamp(3.5rem, 6.2vw, 5.25rem); }
  .clause { margin-top: clamp(1.25rem, 2.4vw, 2rem); }
  .field { margin-top: clamp(1.25rem, 2.4vw, 2rem); }
  .seal { top: clamp(3rem, 6vw, 5rem); bottom: auto; right: var(--pad); }
  .carbon-field { max-width: min(62rem, calc(100% - 15rem)); }
}

/* ── Motion: the stamp press ───────────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .stamp { animation: press .7s var(--ease) both; }
  .stamp--blue   { animation-delay: .35s; }
  .stamp--orange { animation-delay: .6s; }
  .stamp--green  { animation-delay: .85s; }

  .js .seal { opacity: 0; }
  .js .seal.is-pressed { animation: press-seal .8s var(--ease) both; }

}
@keyframes press {
  0%   { opacity: 0; transform: rotate(calc(var(--r) - 6deg)) translateY(var(--y, 0)) scale(1.45); filter: blur(6px); }
  55%  { opacity: 1; transform: rotate(var(--r)) translateY(var(--y, 0)) scale(.95); filter: blur(0); }
  100% { opacity: 1; transform: rotate(var(--r)) translateY(var(--y, 0)) scale(1); }
}
@keyframes press-seal {
  0%   { opacity: 0; transform: rotate(-24deg) scale(1.5); filter: blur(6px); }
  55%  { opacity: 1; transform: rotate(-14deg) scale(.95); filter: blur(0); }
  100% { opacity: 1; transform: rotate(-14deg) scale(1); }
}

/* ── Small screens ─────────────────────────────────────── */
@media (max-width: 760px) {
  .letterhead { grid-template-columns: auto 1fr; grid-template-areas: "brand meta" "index index"; gap: .75rem 1rem; padding-top: 1rem; }
  .brand { width: 8.5rem; }
  .meta div:first-child { display: none; }
  .meta dd { font-size: .8125rem; }
  .index { font-size: .75rem; gap: 0 .9rem; padding: .35rem 0 .45rem; }
  .index a { padding: .35rem 0; }
  .index a:last-child span { display: none; }
  .hero { display: flex; flex-direction: column; padding-top: 2rem; }
  .hero .stamps-row { order: 2; position: relative; z-index: 2; margin-top: -1.1rem; }
  .hero .clause { order: 1; }
  .hero .row:first-child { order: 0; }
  .hero .field { order: 3; margin-top: .75rem; }
  .stamps { flex-wrap: nowrap; justify-content: flex-end; }
  .label.art { font-size: 2.25rem; }
  .art-word { display: inline; margin: 0 .3rem 0 0; font-size: .625rem; }

  .label { writing-mode: vertical-rl; transform: rotate(180deg); justify-self: center; align-self: start; text-align: left; }
  .label.art { font-size: 1.125rem; }
  .hero .label:first-child { padding-top: 0; }
  .field .label, .carbon .row:first-child .label { align-self: start; }
  .row { align-items: start; }

  .where-grid { grid-template-columns: 1fr; }
  .annex { margin-top: 1.5rem; }
  .stamps { gap: .25rem .5rem; }
  .stamp { width: 31%; }
  .field-line, .carbon-field { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .carbon-inner { padding-bottom: 11rem; }
  .seal { right: 1.25rem; bottom: 1.5rem; top: auto; width: 8.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .btn::after { transition: none; }
}

@media print {
  .index, .skip, .btn { display: none; }
  .carbon { background: none; color: var(--ink); }
  .carbon h2, .carbon-mail { color: var(--ink); }
}

.stamps-row { pointer-events: none; }
.row > .label.art { align-self: start; }