/* =========================================================
   Caio Faria Gualberto — cartão de trabalho
   Conceito: "o documento de um engenheiro"
   margens de instrumento (mono) · centro humano (serifa)
   ========================================================= */

/* ----------------------- Tokens ----------------------- */
:root {
  /* type */
  --serif: "Fraunces", Georgia, serif;
  --sans: "Space Grotesk", system-ui, sans-serif;
  --mono: "Space Mono", ui-monospace, monospace;

  /* rhythm */
  --pad: clamp(1.25rem, 5vw, 6rem);
  --maxw: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ----- tema claro (padrão) ----- */
:root,
[data-theme="light"] {
  --bg: #eef0ec;
  --bg-hi: #f6f7f4;
  --text: #12211f;
  --text-soft: #55625e;
  --line: rgba(18, 33, 31, 0.14);

  --invert-bg: #0f1f1e;         /* bloco escuro (trabalho) */
  --invert-text: #eef0ec;
  --invert-soft: rgba(238, 240, 236, 0.72);
  --invert-line: rgba(238, 240, 236, 0.16);
  --invert-hi: #17332f;

  --accent: #2f5bff;            /* cobalto elétrico */
  --accent-hi: #6d8bff;
  --accent-soft: rgba(47, 91, 255, 0.14);

  --ph-a: #dfe3dd;
  --ph-b: #cfd6ce;
}

/* ----- tema escuro ----- */
[data-theme="dark"] {
  --bg: #0b1413;
  --bg-hi: #101d1b;
  --text: #e8ebe6;
  --text-soft: #92a09b;
  --line: rgba(232, 235, 230, 0.14);

  --invert-bg: #123f3b;
  --invert-text: #eef0ec;
  --invert-soft: rgba(238, 240, 236, 0.75);
  --invert-line: rgba(238, 240, 236, 0.18);
  --invert-hi: #17514c;

  --accent: #6d8bff;
  --accent-hi: #a3b6ff;
  --accent-soft: rgba(109, 139, 255, 0.16);

  --ph-a: #16302d;
  --ph-b: #1d3f3b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background 0.5s var(--ease), color 0.5s var(--ease);
}

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

.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

a { color: inherit; }

/* ----------------------- HUD ----------------------- */
.hud { position: fixed; inset: 0; z-index: 40; pointer-events: none; }
.hud__corner {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: clamp(1rem, 2.5vw, 1.9rem);
  color: var(--text-soft);
}
.hud__corner--tl { top: 0; left: 0; }
.hud__corner--tr { top: 0; right: 0; align-items: flex-end; }
.hud__corner--bl { bottom: 0; left: 0; }

.monogram { font-size: 0.95rem; font-weight: 700; letter-spacing: 0.18em; color: var(--text); }
.hud__label { opacity: 0.75; }
#utc-clock { color: var(--text); font-weight: 700; letter-spacing: 0.1em; }

/* controles (idioma + tema) */
.controls { pointer-events: auto; flex-direction: row; align-items: center; gap: 1rem; }
.lang { display: inline-flex; align-items: center; gap: 0.35rem; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; color: var(--text-soft); }
.lang__btn {
  background: none; border: 0; cursor: pointer; padding: 0.2rem 0.15rem;
  font: inherit; color: var(--text-soft); letter-spacing: inherit;
  transition: color 0.3s var(--ease);
}
.lang__btn.is-active { color: var(--accent); }
.lang__btn:hover { color: var(--text); }

.controls__divider { width: 1px; height: 16px; background: var(--line); }

.theme-toggle {
  background: none; cursor: pointer; padding: 0;
  width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid var(--line); color: var(--text-soft);
  display: inline-grid; place-items: center;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.theme-toggle svg { width: 16px; height: 16px; }
/* mostra o ícone do tema para o qual você vai trocar */
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ----------------------- Rail ----------------------- */
.rail { position: fixed; top: 50%; right: clamp(0.9rem, 2vw, 1.6rem); transform: translateY(-50%); z-index: 41; }
.rail__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1rem; }
.rail__dot { position: relative; width: 22px; height: 22px; display: grid; place-items: center; text-decoration: none; }
.rail__dot span { width: 7px; height: 7px; border-radius: 50%; border: 1px solid var(--text-soft); transition: all 0.4s var(--ease); }
.rail__dot:hover span { border-color: var(--accent); transform: scale(1.2); }
.rail__dot.is-active span { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.rail__dot::after {
  content: attr(data-label);
  position: absolute; right: 150%; top: 50%;
  transform: translateY(-50%) translateX(4px);
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-soft); white-space: nowrap; opacity: 0; pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.rail__dot:hover::after, .rail__dot.is-active::after { opacity: 1; transform: translateY(-50%) translateX(0); }

/* ----------------------- Hero ----------------------- */
.hero { min-height: 100svh; display: flex; flex-direction: column; justify-content: center; position: relative; padding-block: 8rem 4rem; }
.hero__grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }

.eyebrow { color: var(--text-soft); margin: 0 0 2rem; display: inline-flex; align-items: center; gap: 0.55rem; }
.eyebrow__mark { color: var(--accent); font-size: 0.85rem; }

.hero__title {
  font-family: var(--serif); font-weight: 300; font-optical-sizing: auto;
  font-size: clamp(2.5rem, 1.2rem + 5.5vw, 5.8rem);
  line-height: 0.98; letter-spacing: -0.02em; margin: 0; max-width: 15ch;
}
.hero__title span { display: block; }
.hero__title span:last-child { color: var(--accent); font-style: italic; font-weight: 400; }

.hero__lede { font-size: clamp(1.05rem, 0.95rem + 0.6vw, 1.35rem); max-width: 46ch; margin: 2.2rem 0 0; color: var(--text-soft); line-height: 1.5; }
.hero__lede em { font-style: normal; color: var(--text); font-weight: 500; }

.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2.6rem; }

.hero__scroll { position: absolute; bottom: 1.8rem; left: 50%; transform: translateX(-50%); color: var(--text-soft); animation: bob 2.4s var(--ease) infinite; }
@keyframes bob { 0%,100%{ transform: translateX(-50%) translateY(0);} 50%{ transform: translateX(-50%) translateY(6px);} }

/* retrato */
.portrait {
  position: relative; margin: 0; aspect-ratio: 4 / 5; border-radius: 20px; overflow: hidden;
  background: linear-gradient(150deg, var(--ph-a), var(--ph-b));
  border: 1px solid var(--line);
}
.portrait__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; z-index: 2; }
.portrait__img.is-missing { display: none; }
.portrait__ph {
  position: absolute; inset: 0; z-index: 1; display: grid; place-content: center; text-align: center;
  font-size: 0.85rem; letter-spacing: 0.2em; color: var(--text-soft); opacity: 0.55; line-height: 1.4;
}
.portrait__img:not(.is-missing) ~ .portrait__ph { display: none; }
.portrait__cap {
  position: absolute; left: 0.9rem; bottom: 0.8rem; z-index: 3;
  color: var(--invert-text); mix-blend-mode: difference; opacity: 0.85;
}

/* ----------------------- Botões ----------------------- */
.btn {
  --b: var(--text);
  display: inline-flex; align-items: center; padding: 0.85rem 1.5rem;
  font-family: var(--sans); font-weight: 500; font-size: 0.95rem; text-decoration: none;
  border-radius: 100px; border: 1px solid var(--b);
  transition: all 0.35s var(--ease);
}
.btn--primary { background: var(--text); color: var(--bg); }
.btn--primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ----------------------- Seções ----------------------- */
.section { padding-block: clamp(5rem, 12vw, 11rem); }
.grid-2 { display: grid; grid-template-columns: minmax(0, 0.4fr) minmax(0, 0.6fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.section__aside { position: sticky; top: 6rem; }
.section__idx { color: var(--accent); display: block; margin-bottom: 1.2rem; }
.section__title { font-family: var(--serif); font-weight: 300; font-size: clamp(1.8rem, 1.2rem + 2.5vw, 3rem); line-height: 1.02; letter-spacing: -0.015em; margin: 0; }

.prose { font-size: clamp(1.15rem, 1rem + 0.8vw, 1.6rem); line-height: 1.5; margin: 0 0 1.6rem; max-width: 34ch; }
.prose strong { color: var(--accent); font-weight: 500; }
.prose--muted { color: var(--text-soft); font-size: clamp(1rem, 0.95rem + 0.3vw, 1.2rem); max-width: 42ch; }

/* ----------------------- Índice (stack) ----------------------- */
.index { margin: 0; }
.index__row { display: grid; grid-template-columns: minmax(120px, 0.35fr) 1fr; gap: 1.5rem; padding: 1.5rem 0; border-top: 1px solid var(--line); align-items: baseline; }
.index__row:last-child { border-bottom: 1px solid var(--line); }
.index dt { color: var(--text-soft); }
.index dd { margin: 0; font-family: var(--serif); font-size: clamp(1.3rem, 1rem + 1.4vw, 2rem); font-weight: 400; letter-spacing: -0.01em; }
.index .sep { color: var(--accent); margin-inline: 0.5rem; }
.index .tag { font-family: var(--mono); font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); border: 1px solid var(--accent); border-radius: 100px; padding: 0.15rem 0.5rem; margin-left: 0.7rem; vertical-align: middle; }

/* ----------------------- Especificações (seção expansível) ----------------------- */
.spec__head { max-width: 42ch; }
.spec__head .section__idx { margin-bottom: 1rem; }
.spec__intro { margin: 1.2rem 0 2rem; }

.spec__toggle {
  display: inline-flex; align-items: center; gap: 0.9rem;
  background: none; cursor: pointer; color: var(--text);
  border: 1px solid var(--line); border-radius: 100px;
  padding: 0.75rem 0.85rem 0.75rem 1.4rem; font-family: var(--sans);
  font-size: 0.95rem; font-weight: 500;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.spec__toggle:hover { border-color: var(--accent); }
.spec__chevron {
  display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  transition: transform 0.4s var(--ease);
}
.spec__chevron svg { width: 16px; height: 16px; }
.spec--open .spec__chevron { transform: rotate(180deg); }

.spec__panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.6s var(--ease); margin-top: 2.5rem; }
.spec--open .spec__panel { grid-template-rows: 1fr; }
.spec__inner { overflow: hidden; min-height: 0; }

.tech-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.2rem; padding: 0.4rem 0 0.5rem;
}
.tech-cat {
  border: 1px solid var(--line); border-radius: 16px;
  padding: 1.5rem 1.4rem; background: var(--bg-hi);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.tech-cat:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); transform: translateY(-3px); }
.tech-cat--wide { grid-column: span 2; }

.tech-cat__head { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1.1rem; }
.tech-cat__icon {
  flex: none; display: inline-grid; place-items: center; width: 46px; height: 46px;
  border-radius: 11px; background: #fff; color: var(--accent);
  border: 1px solid var(--line); padding: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.tech-cat__icon .brand { width: 100%; height: 100%; object-fit: contain; display: block; }
.tech-cat__icon svg { width: 24px; height: 24px; }
.tech-cat__icon svg.generic { color: #64748b; }
.tech-cat__name { color: var(--text); margin: 0; font-size: 0.72rem; }

.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.45rem; }
.chip {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.01em;
  color: var(--text-soft); background: var(--bg);
  border: 1px solid var(--line); border-radius: 100px; padding: 0.34rem 0.7rem;
  transition: all 0.25s var(--ease); cursor: default;
}
.chip:hover { border-color: var(--accent); color: var(--text); transform: translateY(-1px); }
.chip--primary {
  color: var(--accent); border-color: var(--accent);
  background: var(--accent-soft); font-weight: 700;
}
.chip--primary::before { content: "◆ "; font-size: 0.6em; vertical-align: middle; }

@media (max-width: 680px) {
  .tech-cat--wide { grid-column: auto; }
}

/* ----------------------- Trajetória (curva + nós) ----------------------- */
.path__head { max-width: 40ch; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.path__head .section__idx { margin-bottom: 1rem; }
.path__intro { margin: 1.2rem 0 0; }

.curve { position: relative; width: 100%; margin: 0 auto clamp(2.5rem, 6vw, 4rem); }
.curve-svg { display: block; width: 100%; height: auto; overflow: visible; }
.curve-path {
  stroke: var(--line); stroke-width: 1.5; fill: none;
}
.curve-path--draw {
  stroke: var(--accent); stroke-width: 2;
  stroke-linecap: round;
  transition: stroke-dashoffset 1.4s var(--ease);
}

.nodes { position: absolute; inset: 0; }
.node {
  position: absolute; transform: translate(-50%, -50%);
  background: none; border: 0; padding: 0; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 0.55rem;
}
.node__badge {
  position: relative; width: 52px; height: 52px; border-radius: 50%;
  background: var(--bg-hi); border: 1.5px solid var(--line);
  display: grid; place-items: center; overflow: hidden;
  transition: all 0.4s var(--ease);
}
.node__logo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 2; }
.node__logo.is-missing { display: none; }
.node__initials {
  z-index: 1; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.04em;
  color: var(--text-soft); text-transform: none;
}
.node:hover .node__badge { border-color: var(--accent); transform: scale(1.06); }
.node.is-active .node__badge {
  border-color: var(--accent);
  box-shadow: 0 0 0 5px var(--accent-soft);
}
.node__label {
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-soft); white-space: nowrap; transition: color 0.3s var(--ease);
}
.node.is-active .node__label { color: var(--accent); }
.node__when { font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.1em; color: var(--text-soft); opacity: 0.7; }

/* painel de detalhe */
.detail { border-top: 1px solid var(--line); padding-top: 2.2rem; max-width: 52ch; margin-inline: auto; text-align: center; }
.detail__inner { min-height: 8.5rem; }
.detail__when { color: var(--accent); margin: 0 0 0.7rem; display: block; }
.detail__role { font-family: var(--serif); font-weight: 400; font-size: clamp(1.6rem, 1.1rem + 1.8vw, 2.4rem); margin: 0 0 0.3rem; letter-spacing: -0.01em; }
.detail__org { color: var(--text-soft); margin: 0 0 1rem; }
.detail__text { color: var(--text-soft); margin: 0; line-height: 1.55; }
.detail__inner > * { animation: detailIn 0.5s var(--ease) both; }
@keyframes detailIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

@media (max-width: 620px) {
  .curve-svg { min-height: 150px; }
  .node__label { font-size: 0.58rem; }
}

/* ----------------------- Alcance internacional (faixa) ----------------------- */
.global__grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 6vw, 5rem); align-items: center;
}
.global__lede { margin: 1.4rem 0 2rem; max-width: 40ch; }

.nations { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.6rem; }
.nation {
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.02em;
  color: var(--text-soft); background: var(--bg-hi);
  border: 1px solid var(--line); border-radius: 100px; padding: 0.4rem 0.85rem;
}
.nation--main {
  display: inline-flex; align-items: center; gap: 0.5rem;
  color: var(--accent); border-color: var(--accent); background: var(--accent-soft); font-weight: 500;
}
.nation__tag {
  font-size: 0.56rem; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--accent); border: 1px solid var(--accent); border-radius: 100px; padding: 0.1rem 0.45rem;
}

.lang-card {
  border: 1px solid var(--line); border-radius: 20px; padding: clamp(1.6rem, 3vw, 2.2rem);
  background: var(--bg-hi);
}
.lang-card__head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1.4rem; }
.lang-card__label { color: var(--text-soft); }
.lang-card__level { font-family: var(--serif); font-weight: 300; font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.4rem); line-height: 1; color: var(--accent); letter-spacing: -0.02em; }
.lang-card__note { color: var(--text-soft); margin: 1.2rem 0 0; font-size: 0.95rem; line-height: 1.55; }

@media (max-width: 820px) {
  .global__grid { grid-template-columns: 1fr; }
}

/* ----------------------- Trabalho (invertido + animação) ----------------------- */
.section--work { background: var(--invert-bg); color: var(--invert-text); border-radius: 32px; margin-inline: clamp(0.5rem, 2vw, 1.5rem); overflow: hidden; }
.work__head { margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.section__idx--inv { color: var(--accent-hi); }
.section__title--inv { color: var(--invert-text); }

/* traço-assinatura que varre sob o título ao entrar */
.work__title { position: relative; display: inline-block; }
.work__title::after {
  content: ""; position: absolute; left: 0; bottom: -0.4rem; height: 2px; width: 100%;
  background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform 0.9s var(--ease) 0.15s;
}
.work__title.is-in::after { transform: scaleX(1); }

.work__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.work-card {
  border: 1px solid var(--invert-line); border-radius: 18px; padding: 1.8rem 1.6rem 2rem;
  display: flex; flex-direction: column; gap: 0.7rem; min-height: 240px;
  text-decoration: none; color: inherit;
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease), border-color 0.4s var(--ease), background 0.4s var(--ease);
}
.work-card.is-in { opacity: 1; transform: none; }
.work-card:hover { border-color: var(--accent); background: var(--invert-hi); transform: translateY(-8px); }
.card__meta { color: var(--accent-hi); }
.card__title { font-family: var(--serif); font-weight: 300; font-size: 1.8rem; margin: 0.3rem 0 0.2rem; color: var(--invert-text); }
.card__desc { color: var(--invert-soft); margin: 0; font-size: 0.98rem; line-height: 1.5; flex: 1; }
.card__tags { color: var(--invert-soft); opacity: 0.85; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.card__go { color: var(--accent-hi); opacity: 0; transform: translateX(-4px); transition: all 0.3s var(--ease); }
.card--link:hover .card__go { opacity: 1; transform: none; }

/* card em destaque (bot) */
.card--feature {
  grid-column: 1 / -1;
  flex-direction: row; align-items: stretch; gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(1.8rem, 3vw, 2.6rem);
}
.card--feature:hover { transform: translateY(-8px); }
.card__lead { display: flex; flex-direction: column; gap: 0.7rem; flex: 1 1 55%; }
.card__lead .card__desc { flex: 0 1 auto; max-width: 44ch; }
.card__title--lg { font-size: clamp(2rem, 1.4rem + 2vw, 3rem); margin-top: 0.4rem; }
.card__links { display: flex; gap: 1.5rem; margin-top: 0.4rem; }
.card__links a { color: var(--accent-hi); text-decoration: none; transition: color 0.3s var(--ease); }
.card__links a:hover { color: #fff; }

.card__metrics {
  flex: 1 1 40%; display: flex; flex-direction: column; justify-content: center; gap: 1.6rem;
  border-left: 1px solid var(--invert-line); padding-left: clamp(1.5rem, 4vw, 3rem);
}
.metric { display: flex; flex-direction: column; gap: 0.3rem; }
.metric__num {
  font-family: var(--serif); font-weight: 300; line-height: 0.9;
  font-size: clamp(2.8rem, 2rem + 4vw, 4.6rem); color: var(--invert-text);
  letter-spacing: -0.02em;
}
.metric__plus { color: var(--accent-hi); }
.metric__label { color: var(--invert-soft); opacity: 0.85; }

@media (max-width: 760px) {
  .work__grid { grid-template-columns: 1fr; }
  .card--feature { flex-direction: column; gap: 1.8rem; }
  .card__metrics { flex-direction: row; border-left: 0; border-top: 1px solid var(--invert-line); padding-left: 0; padding-top: 1.6rem; gap: 2.5rem; }
}

/* ----------------------- Contato ----------------------- */
.section--contact { text-align: center; padding-block: clamp(6rem, 15vw, 13rem); }
.section--contact .section__idx { color: var(--accent); }
.contact__title { font-family: var(--serif); font-weight: 300; font-size: clamp(2.4rem, 1.4rem + 5vw, 5.5rem); line-height: 1; letter-spacing: -0.02em; margin: 1rem 0 2.5rem; }
.contact__email {
  font-family: var(--serif); font-style: italic; font-size: clamp(1.3rem, 1rem + 2vw, 2.4rem);
  text-decoration: none; color: var(--accent);
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat; background-position: 0 100%; background-size: 0% 1px;
  transition: background-size 0.5s var(--ease); padding-bottom: 4px;
}
.contact__email:hover { background-size: 100% 1px; }
.contact__links { list-style: none; display: flex; gap: 2rem; justify-content: center; padding: 0; margin: 3rem 0 0; }
.contact__links a { color: var(--text-soft); text-decoration: none; transition: color 0.3s var(--ease); }
.contact__links a:hover { color: var(--accent); }

/* ----------------------- Footer ----------------------- */
.footer { border-top: 1px solid var(--line); padding-block: 2rem; color: var(--text-soft); }
.footer__inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.footer__coord { opacity: 0.7; }

/* ----------------------- Reveal / motion ----------------------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
[data-boot] { transition-delay: calc(var(--boot-i, 0) * 90ms); }

/* ----------------------- Responsivo ----------------------- */
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .portrait { max-width: 320px; order: -1; }
}
@media (max-width: 820px) {
  .grid-2 { grid-template-columns: 1fr; }
  .section__aside { position: static; margin-bottom: 2rem; }
  .rail { display: none; }
}
@media (max-width: 520px) {
  .hud__corner { padding: 0.85rem; }
  .hud__corner--bl { display: none; }
  .controls { gap: 0.7rem; }
  .hero__scroll { display: none; }
}

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

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto; }
  .reveal, .work-card { opacity: 1; transform: none; transition: none; }
  .work__title::after { transform: none; transition: none; }
  .detail__inner > * { animation: none; }
  .hero__scroll { animation: none; }
}