/* =========================================================
   Portfólio Mayara Alves · v2.0
   Um arquivo de estilo para as duas versões (pt e en).
   Trocar --accent repinta destaques, diagramas e foco.
   ========================================================= */

:root {
  --paper: #f6f5f1;
  --surface: #ffffff;
  --surface-2: #efede7;
  --line: #e2dfd7;
  --line-2: #cfcbc0;
  --ink: #15151b;
  --ink-2: #464650;
  --ink-3: #66666f;
  --accent: #5546d6;
  --accent-ink: #3f31b5;
  --accent-soft: #ecebfb;
  --ok: #1f7a55;
  --ok-soft: #e3f2ea;

  --f-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --f-serif: "Instrument Serif", ui-serif, Georgia, serif;
  --f-mono: "Geist Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --maxw: 1160px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 16px;
  --radius-s: 10px;
  --header-h: 64px;
  --shadow: 0 1px 2px rgba(21, 21, 27, .04), 0 8px 24px -12px rgba(21, 21, 27, .12);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; }
ul, ol, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

::selection { background: var(--accent); color: #fff; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 8px;
  text-decoration: none; font-weight: 500;
  transition: top .2s var(--ease);
}
.skip:focus { top: 12px; }

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

.mono {
  font-family: var(--f-mono);
  font-size: .8125rem;
  letter-spacing: .02em;
}

em.serif, .serif {
  font-family: var(--f-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
}

/* ---------- header ---------- */

.header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  background: rgba(246, 245, 241, .82);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease);
}
.header.is-scrolled { border-bottom-color: var(--line); }

.header__in {
  height: 100%;
  display: flex; align-items: center; gap: 24px;
}

.brand {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; font-weight: 600; letter-spacing: -0.01em;
  margin-right: auto;
}
.brand__mark {
  width: 32px; height: 32px; border-radius: 9px;
  display: grid; place-items: center;
  background: var(--ink); color: var(--paper);
  font-family: var(--f-mono); font-size: .75rem; font-weight: 600; letter-spacing: .04em;
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav__list { display: flex; gap: 2px; }
.nav__list a {
  display: block; padding: 8px 12px; border-radius: 8px;
  text-decoration: none; color: var(--ink-2); font-size: .9375rem;
  transition: color .2s, background-color .2s;
}
.nav__list a:hover { color: var(--ink); background: var(--surface-2); }
.nav__list a[aria-current="true"] { color: var(--ink); }
.nav__list a[aria-current="true"]::after {
  content: ""; display: block; height: 2px; margin-top: 2px; border-radius: 2px;
  background: var(--accent);
}

.lang {
  display: inline-flex; align-items: center; gap: 6px;
  margin-left: 8px; padding: 6px 10px;
  border: 1px solid var(--line-2); border-radius: 999px;
  font-family: var(--f-mono); font-size: .75rem; letter-spacing: .06em;
  text-decoration: none; color: var(--ink-2);
  transition: border-color .2s, color .2s;
}
.lang:hover { border-color: var(--ink); color: var(--ink); }
.lang svg { width: 14px; height: 14px; }

.menu-btn {
  display: none;
  width: 44px; height: 44px; margin-right: -8px;
  border: 0; background: transparent; color: var(--ink); cursor: pointer;
  border-radius: 10px;
}
.menu-btn span {
  display: block; width: 20px; height: 1.5px; margin: 5px auto;
  background: currentColor; border-radius: 2px;
  transition: transform .25s var(--ease), opacity .2s;
}
.menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 900px) {
  .menu-btn { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 12px;
    padding: 16px var(--gutter) 24px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px -24px rgba(21, 21, 27, .18);
    transform: translateY(-8px); opacity: 0; visibility: hidden;
    transition: transform .25s var(--ease), opacity .2s, visibility 0s .25s;
  }
  .nav.is-open {
    transform: none; opacity: 1; visibility: visible;
    transition: transform .25s var(--ease), opacity .2s;
  }
  .nav__list { flex-direction: column; }
  .nav__list a { padding: 12px 8px; font-size: 1.0625rem; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav__list a[aria-current="true"]::after { display: none; }
  .nav__list a[aria-current="true"] { color: var(--accent-ink); }
  .lang { align-self: flex-start; margin-left: 0; }
  .js .nav:not(.is-open) { pointer-events: none; }
}
/* sem JS o menu móvel fica sempre visível, empilhado */
@media (max-width: 900px) {
  html:not(.js) .nav { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; }
  html:not(.js) .menu-btn { display: none; }
  html:not(.js) .header { height: auto; position: static; }
  html:not(.js) .header__in { flex-wrap: wrap; padding-block: 12px; }
}

/* ---------- botões e links ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 20px;
  border-radius: 999px; border: 1px solid var(--ink);
  font: 500 .9375rem/1 var(--f-sans);
  text-decoration: none; cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s, transform .2s var(--ease);
}
.btn svg { width: 16px; height: 16px; flex: none; }
.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid:hover { background: var(--accent-ink); border-color: var(--accent-ink); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn--ghost:hover { border-color: var(--ink); }
.btn:active { transform: translateY(1px); }

.icon-link {
  display: inline-grid; place-items: center;
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--line-2); color: var(--ink-2);
  transition: border-color .2s, color .2s, background-color .2s;
}
.icon-link:hover { border-color: var(--ink); color: var(--ink); background: var(--surface); }
.icon-link svg { width: 18px; height: 18px; }

.arrow-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--accent-ink); font-weight: 500; font-size: .9375rem;
  text-decoration: none;
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat;
  transition: background-size .3s var(--ease);
}
.arrow-link:hover { background-size: 100% 1px; }
.arrow-link svg { width: 14px; height: 14px; }

/* ---------- hero ---------- */

.hero {
  position: relative;
  padding: clamp(40px, 8vw, 96px) 0 clamp(48px, 7vw, 88px);
  isolation: isolate;
}
.hero::before {
  /* grade discreta de "sistema" que some nas bordas */
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 70% 35%, #000 10%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 70% 35%, #000 10%, transparent 75%);
  opacity: .55;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .9fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}

.eyebrow {
  display: inline-flex; flex-wrap: wrap; align-items: center; gap: 8px 10px;
  margin-bottom: 24px;
  color: var(--ink-2);
}
.eyebrow__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.eyebrow i { font-style: normal; color: var(--line-2); }

.hero h1 {
  font-size: clamp(2.75rem, 8vw, 5.75rem);
  letter-spacing: -0.045em;
  line-height: .98;
  font-weight: 600;
}
.hero h1 .serif { font-size: 1.04em; color: var(--accent-ink); }

.hero__role {
  margin-top: 20px;
  font-size: clamp(1.125rem, 2.1vw, 1.4rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 34ch;
  font-weight: 500;
}

.hero__lead {
  margin-top: 16px;
  color: var(--ink-2);
  max-width: 54ch;
}

.hero__actions {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  margin-top: 32px;
}
.hero__actions .sep { width: 1px; height: 28px; background: var(--line-2); margin-inline: 4px; }

.hero__visual { position: relative; }

.portrait {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--surface-2);
  box-shadow: var(--shadow);
  max-width: 420px;
  margin-left: auto;
}
.portrait img { width: 100%; height: 100%; object-fit: cover; }

.system-card {
  max-width: 420px;
  margin: 16px 0 0 auto;
  padding: 16px 20px 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.system-card__title {
  display: flex; justify-content: space-between; align-items: center;
  color: var(--ink-3); margin-bottom: 8px;
}
.system-card svg { width: 100%; max-width: 300px; height: auto; margin-inline: auto; overflow: visible; }
.system-card .n { fill: var(--surface); stroke: var(--ink); stroke-width: 1.25; }
.system-card .n--out { fill: var(--accent); stroke: var(--accent); }
.system-card .l { fill: none; stroke: var(--line-2); stroke-width: 1.25; }
.system-card .l--hot { stroke: var(--accent); stroke-dasharray: 4 5; }
.system-card text { font-family: var(--f-mono); font-size: 10.5px; fill: var(--ink-2); }
.system-card .t-out { fill: var(--accent-ink); font-weight: 600; }

@media (prefers-reduced-motion: no-preference) {
  .system-card .l--hot { animation: flow 1.6s linear infinite; }
}
@keyframes flow { to { stroke-dashoffset: -18; } }

.facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: clamp(56px, 8vw, 96px);
  border-top: 1px solid var(--line);
}
.facts li {
  padding: 18px 20px 0 0;
}
.facts li + li { padding-left: 20px; border-left: 1px solid var(--line); }
.facts dt, .facts .k { color: var(--ink-3); display: block; margin-bottom: 4px; }
.facts strong { display: block; font-weight: 500; font-size: 1rem; line-height: 1.35; }

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { order: -1; display: flex; align-items: flex-end; gap: 16px; }
  .portrait { margin-left: 0; width: 220px; flex: none; }
  .system-card { margin: 0; width: 280px; flex: none; }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts li:nth-child(3) { padding-left: 0; border-left: 0; }
  .facts li:nth-child(n+3) { border-top: 1px solid var(--line); margin-top: 18px; }
}
@media (max-width: 520px) {
  .hero__visual { display: block; }
  .portrait { width: 168px; border-radius: 18px; }
  .system-card { display: none; }
  .hero__actions .btn { flex: 1 1 calc(50% - 6px); }
  .facts { grid-template-columns: 1fr; }
  .facts li, .facts li + li { padding: 14px 0 0; border-left: 0; }
  .facts li + li { border-top: 1px solid var(--line); margin-top: 14px; }
  .hero__actions .sep { display: none; }
}

/* ---------- seções ---------- */

.section { padding: clamp(72px, 10vw, 128px) 0; }
.section--alt { background: var(--surface); border-block: 1px solid var(--line); }

.section__head {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 24px 64px;
  align-items: end;
  margin-bottom: clamp(40px, 6vw, 64px);
}
.section__label {
  display: flex; align-items: center; gap: 10px;
  color: var(--ink-3);
  margin-bottom: 16px;
}
.section__label::before {
  content: ""; width: 24px; height: 1px; background: var(--accent);
}
.section__title {
  font-size: clamp(2rem, 4.4vw, 3.25rem);
  letter-spacing: -0.035em;
  line-height: 1.04;
}
.section__title .serif { color: var(--accent-ink); }
.section__intro { color: var(--ink-2); max-width: 58ch; margin: 0; }
.section__head > div:only-child { grid-column: 1 / -1; }

@media (max-width: 900px) {
  .section__head { grid-template-columns: 1fr; }
}

/* ---------- sobre ---------- */

.about {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: 32px 64px;
}
.manifest {
  margin: 0;
  padding: 28px 0 0;
  border-top: 2px solid var(--ink);
  font-family: var(--f-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.manifest p { margin: 0; }
.manifest em { color: var(--accent-ink); }
.about__text p { color: var(--ink-2); }
.about__text p:first-child { color: var(--ink); font-size: 1.1875rem; line-height: 1.55; }

.principles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: clamp(48px, 7vw, 80px);
  counter-reset: p;
}
.principles li {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  counter-increment: p;
}
.principles li::before {
  content: counter(p, decimal-leading-zero);
  display: block; margin-bottom: 28px;
  font-family: var(--f-mono); font-size: .75rem; color: var(--accent-ink);
}
.principles h3 { font-size: 1.0625rem; margin-bottom: 8px; letter-spacing: -0.01em; }
.principles p { margin: 0; color: var(--ink-2); font-size: .9375rem; line-height: 1.55; }

@media (max-width: 1000px) { .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 900px) { .about { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .principles { grid-template-columns: 1fr; } .principles li::before { margin-bottom: 14px; } }

/* ---------- projetos ---------- */

.subhead {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin: clamp(56px, 8vw, 88px) 0 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.subhead:first-child { margin-top: 0; }
.subhead h3 { font-size: 1.25rem; letter-spacing: -0.015em; }
.subhead p { margin: 0; color: var(--ink-3); font-size: .9375rem; max-width: 60ch; }

.cases { display: grid; gap: 20px; }

.case {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.25fr);
  gap: 28px 48px;
  padding: clamp(24px, 3.4vw, 40px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  transition: border-color .25s, box-shadow .25s;
}
.case:hover { border-color: var(--line-2); box-shadow: var(--shadow); }

.case__meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px;
  color: var(--ink-3); margin-bottom: 16px;
}
.case__num { color: var(--accent-ink); }
.case h4 {
  font-size: clamp(1.375rem, 2.4vw, 1.75rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 12px;
}
.case__summary { color: var(--ink-2); margin-bottom: 20px; }

.flow {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
  margin-bottom: 20px;
}
.flow li {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--f-mono); font-size: .75rem; color: var(--ink-2);
}
.flow li span {
  padding: 5px 9px; border-radius: 6px;
  background: var(--paper); border: 1px solid var(--line);
}
.flow li:last-child span { background: var(--accent-soft); border-color: transparent; color: var(--accent-ink); }
.flow li + li::before { content: "→"; color: var(--ink-3); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips li {
  padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--line);
  font-size: .8125rem; color: var(--ink-2); background: var(--surface);
}

.case__links { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 20px; }

.case__body {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px 28px;
  align-content: start;
}
.case__body > div { padding-top: 14px; border-top: 1px solid var(--line); }
.case__body dt { color: var(--ink-3); margin-bottom: 6px; }
.case__body dd { color: var(--ink-2); font-size: .9688rem; line-height: 1.6; }
.case__body .wide { grid-column: 1 / -1; }

@media (max-width: 960px) {
  .case { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .case__body { grid-template-columns: 1fr; }
}

/* ferramentas abertas e outras soluções */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 16px;
}
.card {
  display: flex; flex-direction: column;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .25s, transform .25s var(--ease), box-shadow .25s;
}
.card:hover { border-color: var(--line-2); box-shadow: var(--shadow); }
.card__meta { color: var(--ink-3); margin-bottom: 14px; display: flex; gap: 10px; flex-wrap: wrap; }
.card h4 { font-size: 1.1875rem; letter-spacing: -0.02em; margin-bottom: 8px; }
.card p { color: var(--ink-2); font-size: .9375rem; margin-bottom: 16px; }
.card .chips { margin-top: auto; }
.card .case__links { margin-top: 16px; }

.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 9px; border-radius: 999px;
  font-family: var(--f-mono); font-size: .6875rem; letter-spacing: .04em; text-transform: uppercase;
  background: var(--accent-soft); color: var(--accent-ink);
}
.tag--ok { background: var(--ok-soft); color: var(--ok); }
.tag--muted { background: var(--surface-2); color: var(--ink-2); }

/* acadêmicos: lista compacta */
.academic { border-top: 1px solid var(--line); }
.academic li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr) 240px;
  gap: 8px 32px; align-items: baseline;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.academic h4 { font-size: 1.0625rem; letter-spacing: -0.01em; }
.academic .mono { color: var(--ink-3); display: block; margin-top: 4px; font-size: .75rem; }
.academic p { margin: 0; color: var(--ink-2); font-size: .9375rem; }
.academic .links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px 16px; }
@media (max-width: 800px) {
  .academic li { grid-template-columns: 1fr; }
  .academic .links { justify-content: flex-start; }
}

/* ---------- experiência ---------- */

.timeline { border-top: 1px solid var(--line); }
.job {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 12px 48px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}
.job__when { color: var(--ink-3); padding-top: 4px; }
.job__when strong { display: block; color: var(--ink); font-weight: 500; font-family: var(--f-sans); font-size: .9375rem; margin-bottom: 2px; letter-spacing: 0; }
.job__org { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-bottom: 4px; }
.job__org h3 { font-size: 1.3125rem; letter-spacing: -0.02em; }
.job__place { color: var(--ink-3); font-size: .9375rem; margin-bottom: 16px; }
.role + .role { margin-top: 24px; padding-top: 24px; border-top: 1px dashed var(--line-2); }
.role h4 {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px;
  font-size: 1.0625rem; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 4px;
}
.role .mono { color: var(--ink-3); display: block; margin-bottom: 12px; }
.bullets li {
  position: relative; padding-left: 18px; margin-bottom: 6px;
  color: var(--ink-2); font-size: .9688rem;
}
.bullets li::before {
  content: ""; position: absolute; left: 0; top: .72em;
  width: 6px; height: 1px; background: var(--ink-3);
}
.job--current .job__when strong { color: var(--accent-ink); }

.earlier {
  margin-top: 8px;
}
.earlier summary {
  display: flex; align-items: center; gap: 10px;
  padding: 20px 0; cursor: pointer; list-style: none;
  color: var(--ink-2); font-weight: 500;
  border-bottom: 1px solid var(--line);
}
.earlier summary::-webkit-details-marker { display: none; }
.earlier summary::before {
  content: "+"; display: grid; place-items: center;
  width: 24px; height: 24px; border-radius: 50%;
  border: 1px solid var(--line-2); font-family: var(--f-mono); font-size: .875rem;
  transition: transform .25s var(--ease);
}
.earlier[open] summary::before { transform: rotate(45deg); }
.earlier summary:hover { color: var(--ink); }

@media (max-width: 800px) {
  .job { grid-template-columns: 1fr; gap: 8px; padding: 26px 0; }
}

/* ---------- competências ---------- */

.skills {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}
.skill {
  grid-column: span 2;
  padding: 26px 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.skill:nth-child(4), .skill:nth-child(5) { grid-column: span 3; }
.skill__icon {
  width: 36px; height: 36px; margin-bottom: 20px;
  display: grid; place-items: center;
  border-radius: 10px; background: var(--surface); border: 1px solid var(--line);
  color: var(--accent-ink);
}
.skill__icon svg { width: 18px; height: 18px; }
.skill h3 { font-size: 1.125rem; letter-spacing: -0.015em; margin-bottom: 8px; }
.skill p { color: var(--ink-2); font-size: .9375rem; margin-bottom: 18px; }
.skill .chips li { background: var(--surface); }

@media (max-width: 1000px) {
  .skills { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .skill, .skill:nth-child(4), .skill:nth-child(5) { grid-column: auto; }
  .skill:last-child { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .skills { grid-template-columns: 1fr; }
}

/* ---------- formação ---------- */

.edu {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px 64px;
}
.edu h3 { color: var(--ink-3); margin-bottom: 8px; }
.edu ol { border-top: 1px solid var(--line); }
.edu li {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.edu h4 { font-size: 1.0625rem; letter-spacing: -0.01em; font-weight: 600; }
.edu .inst { grid-column: 1; color: var(--ink-2); font-size: .9375rem; }
.edu .when { grid-row: 1 / span 2; grid-column: 2; text-align: right; color: var(--ink-3); }
.edu .when .tag { margin-bottom: 6px; }
.edu .when span:not(.tag) { display: block; }

.courses { margin-top: 48px; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.courses h3 { color: var(--ink-3); margin-bottom: 14px; }

@media (max-width: 860px) {
  .edu { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .edu li { grid-template-columns: 1fr; }
  .edu .when { grid-row: auto; grid-column: 1; text-align: left; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 6px; }
  .edu .when .tag { margin-bottom: 0; }
}

/* ---------- contato ---------- */

.contact {
  background: var(--ink);
  color: var(--paper);
  border-radius: 28px;
  padding: clamp(32px, 6vw, 72px);
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 40px 64px;
  align-items: end;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.contact::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 60% 80% at 100% 0%, #000, transparent 70%);
  mask-image: radial-gradient(ellipse 60% 80% at 100% 0%, #000, transparent 70%);
}
.contact .section__label { color: #b9b8c3; }
.contact .section__label::before { background: #a59cf5; }
.contact h2 { font-size: clamp(2rem, 4.6vw, 3.5rem); letter-spacing: -0.04em; line-height: 1.02; }
.contact h2 .serif { color: #b8b0ff; }
.contact p { color: #c9c8d1; margin-top: 18px; max-width: 46ch; }

.contact__list { display: grid; gap: 10px; }
.contact__item {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px;
  color: var(--paper); text-decoration: none;
  transition: border-color .2s, background-color .2s;
  min-width: 0;
}
.contact__item:hover { border-color: rgba(255,255,255,.4); background: rgba(255,255,255,.04); }
.contact__item svg { width: 18px; height: 18px; flex: none; color: #b8b0ff; }
.contact__item .k { display: block; font-family: var(--f-mono); font-size: .6875rem; letter-spacing: .06em; text-transform: uppercase; color: #9d9ca8; }
.contact__item .v { display: block; overflow-wrap: anywhere; }
.contact__item .go { margin-left: auto; opacity: .5; }

.copy {
  margin-left: auto; flex: none;
  padding: 6px 10px; border-radius: 8px;
  border: 1px solid rgba(255,255,255,.2); background: transparent; color: var(--paper);
  font: 500 .75rem/1 var(--f-mono); cursor: pointer;
}
.copy:hover { border-color: rgba(255,255,255,.5); }
.copy:focus-visible { outline-color: #b8b0ff; }
.contact :focus-visible { outline-color: #b8b0ff; }

@media (max-width: 860px) {
  .contact { grid-template-columns: 1fr; border-radius: 22px; }
}

/* ---------- rodapé ---------- */

.footer {
  padding: 40px 0 48px;
  color: var(--ink-3);
  font-size: .875rem;
}
.footer__in { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: center; }
.footer a { color: var(--ink-2); text-decoration: none; }
.footer a:hover { color: var(--ink); }
.footer nav { display: flex; gap: 20px; flex-wrap: wrap; }

/* ---------- movimento ---------- */

@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
  }
  .js .reveal.is-in { opacity: 1; transform: none; }

  .js .hero .stagger > * {
    opacity: 0; transform: translateY(10px);
    animation: rise .8s var(--ease) forwards;
  }
  .js .hero .stagger > *:nth-child(2) { animation-delay: .06s; }
  .js .hero .stagger > *:nth-child(3) { animation-delay: .12s; }
  .js .hero .stagger > *:nth-child(4) { animation-delay: .18s; }
  .js .hero .stagger > *:nth-child(5) { animation-delay: .24s; }
  .js .hero__visual { animation: rise 1s .15s var(--ease) both; }
}
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@media print {
  .header, .hero::before, .contact::before, .menu-btn, .lang, .copy { display: none !important; }
  body { background: #fff; }
  .section { padding: 24px 0; }
  .case, .card, .skill { break-inside: avoid; }
  .contact { background: #fff; color: #000; border: 1px solid #ccc; }
  .contact * { color: #000 !important; }
}

.contact__mail { color: inherit; text-decoration: none; min-width: 0; }
.contact__mail:hover .v { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- tecnologias e arquiteturas ---------- */

.stack {
  margin-top: clamp(40px, 6vw, 64px);
  padding: clamp(24px, 3.4vw, 40px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
}
.stack h3 { font-size: 1.375rem; letter-spacing: -0.02em; margin-bottom: 6px; }
.stack > p { color: var(--ink-2); margin-bottom: 24px; }
.stack__list > div {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 8px 32px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.stack__list dt { color: var(--ink-3); padding-top: 5px; }
@media (max-width: 720px) {
  .stack__list > div { grid-template-columns: 1fr; }
}