/* 004labs — D · Imersivo — dark cinematic 3D world, HUD panels over a three.js scene */

/* OD-LAYOUT-PRIMITIVES v1 — structure only: display, flex/grid, overflow, wrapping, ratio.
   Put this @layer first; product CSS outside the layer always wins. */
@layer od-layout {
  :where(.od-stack,.od-row,.od-row-top,.od-cluster,.od-grid,.od-field,.od-stat,.od-cell,.od-tile) > :where(*) { min-width: 0; }

  /* containers */
  .od-stack   { display: flex; flex-direction: column; gap: var(--od-gap, 8px); }
  .od-row     { display: flex; align-items: center; gap: var(--od-gap, 8px); }
  .od-row-top { display: flex; align-items: flex-start; gap: var(--od-gap, 8px); }
  .od-cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--od-gap, 8px); }
  .od-fill    { flex: 1 1 0; min-width: 0; }
  .od-fixed   { flex: none; }
  .od-grid    { display: grid; gap: var(--od-gap, 12px); grid-template-columns: repeat(var(--od-cols, 3), minmax(0, 1fr)); }

  /* stacked information: each piece is its own line — never sibling inline spans */
  .od-stat, .od-field, .od-cell { display: grid; gap: var(--od-gap, 2px); }
  :where(.od-stat,.od-field,.od-cell) > :where(*) { display: block; }
  .od-tile { display: grid; grid-template-rows: auto 1fr; }
  :where(.od-tile) > :where(*) { display: block; }

  /* media keeps its intrinsic ratio by default; never a distorted or cropped
     cover by accident. height:auto lets the ratio win over an <img height="…">
     attribute. Cropping to a uniform box is an explicit opt-in: set --od-ratio
     AND add .od-media-cover together (per the core rule, only where a crop is
     deliberate — tile thumbs, decorative fills — never on full-frame content). */
  .od-media { display: block; width: 100%; height: auto; aspect-ratio: var(--od-ratio, auto); }
  .od-media-cover { object-fit: cover; }

  /* data text only — authored copy is rewritten to its budget instead */
  .od-truncate { display: block; max-width: 100%; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
  .od-clamp-2, .od-clamp-3 { display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; }
  .od-clamp-2 { -webkit-line-clamp: 2; }
  .od-clamp-3 { -webkit-line-clamp: 3; }
  .od-lines-2 { min-height: calc(2 * 1.4em); }   /* block-level reservation for a shared baseline */
  .od-nowrap  { white-space: nowrap; }           /* 数字+单位 · 价格+起 · 日期+星期 */
  .od-keep    { word-break: keep-all; overflow-wrap: anywhere; } /* CJK labels break at spaces / <wbr> first */

  /* screen skeleton (optional): bars take their own space, the middle scrolls — no padding guessed for chrome */
  .od-screen { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; height: 100%; }
  .od-scroll { overflow-y: auto; overscroll-behavior: contain; min-height: 0; }

  /* horizontal rail: the next item peeks at the edge; trailing room survives overflow */
  .od-rail { display: flex; gap: var(--od-gap, 8px); overflow-x: auto; scroll-snap-type: x proximity; scrollbar-width: none;
             padding-inline: var(--od-rail-pad, 16px); scroll-padding-inline: var(--od-rail-pad, 16px); }
  .od-rail::-webkit-scrollbar { display: none; }
  :where(.od-rail) > :where(*) { flex: none; scroll-snap-align: start; }
  :where(.od-rail) > :where(:last-child) { margin-inline-end: var(--od-rail-pad, 16px); }

  .od-spacer { flex: none; visibility: hidden; pointer-events: none; }
  .od-touch  { min-width: 44px; min-height: 44px; }
}
/* /OD-LAYOUT-PRIMITIVES v1 */

/* ---------- tokens ---------- */
:root {
  --bg: #060810;
  --ink: #EDF1FA;
  --ink-dim: #A9B6D0;          /* ≥ 7:1 on --bg */
  --accent: #4DE1FF;           /* electric cyan */
  --brand: #3D6BFF;            /* brand blue — secondary, 3D materials */
  --hud-bg: rgba(8, 12, 24, 0.62);
  --hud-bg-solid: rgba(10, 14, 27, 0.86);
  --hud-border: rgba(77, 225, 255, 0.4);
  --hud-border-dim: rgba(77, 225, 255, 0.18);
  --font-display: "Unbounded", system-ui, sans-serif;
  --font-body: "Sora", system-ui, sans-serif;
  --container: 1200px;
}

/* ---------- language switching ---------- */
html[data-lang="pt"] [lang="en"],
html[data-lang="en"] [lang="pt"] { display: none !important; }

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: clip; }
body {
  margin: 0;
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(61, 107, 255, 0.16), transparent 62%),
    radial-gradient(900px 560px at 8% 108%, rgba(77, 225, 255, 0.08), transparent 60%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(77, 225, 255, 0.32); color: #fff; }

a { color: inherit; }
a, button, .chip, .lang-toggle { cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; left: 16px; top: -64px; z-index: 60;
  background: var(--accent); color: #041018; padding: 8px 16px;
  border-radius: 6px; font-weight: 600; text-decoration: none;
  transition: top 0.15s ease;
}
.skip-link:focus-visible { top: 16px; }

/* ---------- fixed 3D scene ---------- */
.d-scene {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none;
}
.d-scene canvas { width: 100%; height: 100%; display: block; }
html.no-3d .d-scene { display: none; }   /* reduced motion / no WebGL → static backdrop from body */

main, .nav, .footer, .switcher { position: relative; }
main { z-index: 1; }

.container { width: min(var(--container), 100% - 48px); margin-inline: auto; }

/* ---------- top HUD nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 30;
  background: var(--hud-bg);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hud-border-dim);
}
.nav__inner { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand__name { font-family: var(--font-display); font-weight: 600; font-size: 1rem; letter-spacing: 0.02em; }
.nav__links { display: flex; gap: 8px; margin-inline: auto; }
.nav__links a {
  text-decoration: none; color: var(--ink-dim); font-size: 0.9rem; font-weight: 500;
  padding: 8px 14px; border-radius: 999px; border: 1px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.nav__links a:hover { color: var(--ink); border-color: var(--hud-border-dim); }
.nav__links a[aria-current="page"] { color: var(--accent); border-color: var(--hud-border); }
.nav__actions { display: flex; align-items: center; gap: 12px; }

.lang-toggle {
  font: 600 0.8rem var(--font-body); letter-spacing: 0.06em;
  color: var(--ink); background: transparent;
  border: 1px solid var(--hud-border); border-radius: 999px;
  padding: 7px 14px; min-height: 34px;
  transition: background 0.15s ease;
}
.lang-toggle:hover { background: rgba(77, 225, 255, 0.12); }
.lang-toggle .sep { opacity: 0.45; margin-inline: 3px; }
.lang-toggle .off { opacity: 0.45; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 0.95rem var(--font-body); text-decoration: none;
  border-radius: 8px; border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary {
  background: var(--accent); color: #041018;
  box-shadow: 0 0 24px rgba(77, 225, 255, 0.28);
}
.btn--primary:hover { box-shadow: 0 0 36px rgba(77, 225, 255, 0.45); }
.btn--outline { border-color: var(--hud-border); color: var(--ink); background: rgba(8, 12, 24, 0.4); }
.btn--outline:hover { border-color: var(--accent); background: rgba(77, 225, 255, 0.1); }
.btn--xs { padding: 8px 16px; font-size: 0.85rem; }
.btn--sm { padding: 9px 18px; font-size: 0.85rem; }
.btn--md { padding: 12px 22px; }
.btn--lg { padding: 14px 28px; font-size: 1rem; }
.btn--xl { padding: 16px 34px; font-size: 1.05rem; }
.btn .arrow { transition: transform 0.15s ease; }
.btn:hover .arrow { transform: translateX(4px); }
.btn-row { display: flex; flex-wrap: wrap; gap: 16px; }

.link-accent {
  color: var(--accent); text-decoration: none; font-weight: 600; font-size: 0.95rem;
  transition: opacity 0.15s ease;
}
.link-accent:hover { opacity: 0.8; }
.link-underline { color: var(--ink-dim); text-decoration: underline; text-underline-offset: 4px; }
.link-underline:hover { color: var(--accent); }

/* ---------- type ---------- */
.eyebrow {
  font: 600 0.75rem var(--font-body); letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent);
}
.eyebrow--dot::before { content: "◈ "; }
.h1 {
  font: 600 clamp(2rem, 5.2vw, 3.75rem)/1.14 var(--font-display);
  letter-spacing: -0.01em; margin: 0;
}
.h2 { font: 600 clamp(1.5rem, 3.2vw, 2.375rem)/1.2 var(--font-display); margin: 0; }
.h3 { font: 600 clamp(1.15rem, 2vw, 1.5rem)/1.3 var(--font-display); margin: 0; }
.accent { color: var(--accent); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); line-height: 1.65; color: var(--ink-dim); margin: 0; }
.copy { color: var(--ink-dim); margin: 0; }
.copy--sm { font-size: 0.95rem; }
.note { color: var(--ink-dim); font-size: 0.9rem; }
.note--xs { font-size: 0.8rem; }

/* ---------- HUD panels ---------- */
.hud {
  background: var(--hud-bg);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border: 1px solid var(--hud-border);
  border-radius: 14px;
}
.hud--dim { border-color: var(--hud-border-dim); }
.hud__tag {
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 0.7rem var(--font-body); letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-dim);
  border-bottom: 1px solid var(--hud-border-dim);
  padding: 12px 24px; width: 100%;
}
.hud__tag::before { content: ""; width: 6px; height: 6px; background: var(--accent); border-radius: 1px; transform: rotate(45deg); }

/* ---------- sections / chapters ---------- */
.chapter { padding-block: clamp(64px, 12vh, 144px); }
.chapter--hero { min-height: calc(100svh - 64px); display: flex; align-items: center; padding-block: clamp(96px, 14vh, 160px) clamp(64px, 10vh, 120px); }
.chapter--flush { padding-top: 0; }
main { padding-top: 64px; }

.hero-panel { max-width: 720px; padding: clamp(24px, 4vw, 48px); }
.hero-panel .h1 { margin-top: 8px; }

.scroll-hint {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--ink-dim); font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase;
  margin-top: 24px;
}
.scroll-hint::after { content: "↓"; color: var(--accent); animation: hint 1.8s ease-in-out infinite; }
@keyframes hint { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(4px); } }

/* AI strip */
.ai-strip { padding: 16px 24px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; }
.ai-strip__label { font-size: 0.85rem; color: var(--ink-dim); font-weight: 600; }
.ai-strip__list { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.ai-strip__list span { font: 600 0.85rem var(--font-body); color: var(--ink); opacity: 0.85; letter-spacing: 0.04em; }

/* split panels */
.panel-split { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 32px; align-items: stretch; }
.panel-body { padding: clamp(24px, 3.5vw, 44px); }
.panel-window {
  border-radius: 14px; border: 1px dashed var(--hud-border-dim);
  min-height: 280px; position: relative; overflow: hidden;
  display: flex; align-items: flex-end; justify-content: flex-start;
}
.panel-window__hint { padding: 16px 20px; font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-dim); }

/* feature list */
.feature-list { display: flex; flex-direction: column; }
.feature { display: flex; gap: 20px; padding-block: 16px; border-top: 1px solid var(--hud-border-dim); }
.feature__n { font: 600 0.8rem var(--font-display); color: var(--accent); padding-top: 3px; flex: none; }
.feature__title { font-weight: 600; color: var(--ink); }
.feature__desc { font-size: 0.9rem; color: var(--ink-dim); }

.panel-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 24px; }
.panel-note { font-size: 0.85rem; color: var(--ink-dim); }

/* section heads */
.section-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px 40px; margin-bottom: 40px; }
.section-head__aside { max-width: 380px; }

/* service / card grids */
.card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.service-card { padding: 24px; transition: border-color 0.2s ease, transform 0.2s ease; }
.service-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.service-card__n { font: 600 0.8rem var(--font-display); color: var(--accent); }
.service-card__title { font-weight: 600; font-size: 1.05rem; }
.service-card__desc { font-size: 0.9rem; color: var(--ink-dim); }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 40px; }
.step { padding: 24px; position: relative; }
.step::before {
  content: ""; position: absolute; top: 0; left: 24px; right: 24px; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0.6;
}
.step__n { font: 600 0.8rem var(--font-display); color: var(--accent); }
.step__title { font-weight: 600; font-size: 1.05rem; }
.step__desc { font-size: 0.9rem; color: var(--ink-dim); }

/* featured / GEO scores */
.featured { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 32px; padding: clamp(24px, 3.5vw, 44px); text-decoration: none; transition: border-color 0.2s ease; }
.featured:hover { border-color: var(--accent); }
.featured__name { font: 600 clamp(2rem, 4vw, 3rem) var(--font-display); color: var(--ink); }
.featured__desc { color: var(--ink-dim); }
.pill-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.pill {
  display: inline-flex; align-items: center;
  font: 600 0.7rem var(--font-body); letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); border: 1px solid var(--hud-border);
  border-radius: 999px; padding: 5px 12px;
}

.score-line {
  display: flex; align-items: baseline; gap: 12px;
  font: 500 0.85rem "SF Mono", ui-monospace, monospace;
  color: var(--ink-dim); padding-block: 10px;
  border-bottom: 1px solid var(--hud-border-dim);
}
.score-line__site { color: var(--ink); }
.score-line__value { margin-left: auto; font-weight: 700; color: var(--accent); font-size: 1.05rem; }

/* report score bars (projects) */
.scores { display: flex; flex-direction: column; gap: 12px; }
.score-row { display: grid; grid-template-columns: 88px minmax(0, 1fr) 36px; align-items: center; gap: 12px; font-size: 0.85rem; }
.score-row > span:first-child { color: var(--ink); font-weight: 600; }
.score-row__bar { height: 6px; border-radius: 3px; background: rgba(61, 107, 255, 0.22); overflow: hidden; display: block; }
.score-row__bar > span { display: block; height: 100%; width: var(--score, 0%); background: var(--accent); border-radius: 3px; box-shadow: 0 0 12px rgba(77, 225, 255, 0.5); }
.score-row__value { text-align: right; font-weight: 700; color: var(--accent); }

/* manifesto */
.manifesto { max-width: 880px; margin-inline: auto; padding: clamp(32px, 5vw, 56px); text-align: center; }
.manifesto__text { font: 500 clamp(1.25rem, 2.6vw, 1.75rem)/1.5 var(--font-display); margin: 24px 0 0; }

/* CTA */
.cta-panel { text-align: center; padding: clamp(40px, 6vw, 72px); }
.cta-panel .h2 { max-width: 720px; margin-inline: auto; }
.cta-panel__actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 20px; margin-top: 32px; }

/* ---------- projects page ---------- */
.geo-title { font: 700 clamp(2.5rem, 6vw, 4.25rem) var(--font-display); margin: 0; color: var(--ink); text-shadow: 0 0 40px rgba(77, 225, 255, 0.35); }
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.case-card { padding: 24px; display: flex; flex-direction: column; gap: 20px; }
.case-card__shot {
  border: 1px dashed var(--hud-border-dim); border-radius: 10px;
  padding: 24px; display: flex; flex-direction: column; gap: 24px; flex: 1;
  position: relative; overflow: hidden;
}
.case-card__lines { display: flex; flex-direction: column; gap: 10px; }
.case-card__lines span { display: block; height: 8px; border-radius: 4px; background: rgba(169, 182, 208, 0.18); }
.case-card__stamp {
  align-self: flex-start;
  font: 600 0.7rem var(--font-body); letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ink-dim); border: 1px solid var(--hud-border-dim); border-radius: 4px;
  padding: 4px 10px; transform: rotate(-3deg);
}
.case-card__foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 0.9rem; color: var(--ink-dim); }
.case-cta { padding: 24px; display: flex; flex-direction: column; gap: 16px; text-decoration: none; transition: border-color 0.2s ease, transform 0.2s ease; }
.case-cta:hover { border-color: var(--accent); transform: translateY(-4px); }
.case-cta__n { font: 600 0.8rem var(--font-display); color: var(--accent); }
.case-cta__title { font: 600 1.35rem var(--font-display); color: var(--ink); }

.fronts { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 40px; padding: clamp(24px, 3.5vw, 44px); }
.fronts__list { display: flex; flex-direction: column; }
.front { display: flex; gap: 20px; padding-block: 16px; border-top: 1px solid var(--hud-border-dim); }
.front__n { font: 600 0.8rem var(--font-display); color: var(--accent); padding-top: 3px; flex: none; }
.front__title { font-weight: 600; }
.front__desc { font-size: 0.9rem; color: var(--ink-dim); }

/* ---------- contact page ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr); gap: 24px; align-items: start; }
.form-card { padding: clamp(24px, 3.5vw, 40px); }
.form { display: flex; flex-direction: column; gap: 24px; }
.field { display: grid; gap: 8px; font-size: 0.9rem; font-weight: 600; color: var(--ink); }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 20px; }
.input {
  width: 100%; font: 400 1rem var(--font-body); color: var(--ink);
  background: rgba(6, 8, 16, 0.6);
  border: 1px solid var(--hud-border-dim); border-radius: 8px;
  padding: 12px 14px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.input::placeholder { color: rgba(169, 182, 208, 0.55); }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(77, 225, 255, 0.18); }
textarea.input { resize: vertical; min-height: 120px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  font: 600 0.85rem var(--font-body); color: var(--ink-dim);
  background: rgba(6, 8, 16, 0.5); border: 1px solid var(--hud-border-dim);
  border-radius: 999px; padding: 9px 16px; min-height: 38px;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.chip:hover { color: var(--ink); border-color: var(--hud-border); }
.chip[aria-pressed="true"] { color: #041018; background: var(--accent); border-color: var(--accent); }
.form__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.form__error { color: #FF8FA8; font-size: 0.9rem; }
.form-success { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; padding: 8px; }
.form-success[hidden], .form__error[hidden], #contact-form[hidden] { display: none; }
.form-success h2 { font-family: var(--font-display); }
.form-success p { margin: 0; color: var(--ink-dim); }

.contact-side { display: flex; flex-direction: column; gap: 16px; }
.contact-card { padding: 24px; display: flex; flex-direction: column; gap: 10px; text-decoration: none; transition: border-color 0.2s ease, transform 0.2s ease; }
.contact-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.contact-card__title { font: 600 1.1rem var(--font-display); color: var(--ink); }
.contact-card__title--break { overflow-wrap: anywhere; }
.contact-card__desc { font-size: 0.9rem; color: var(--ink-dim); }

.banner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; padding: clamp(28px, 4vw, 48px); }

/* ---------- footer ---------- */
.footer {
  z-index: 1;
  border-top: 1px solid var(--hud-border-dim);
  background: var(--hud-bg);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  margin-top: 48px;
  padding-block: 32px 96px;   /* bottom room for the fixed switcher */
}
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 40px; color: var(--ink-dim); font-size: 0.9rem; }
.footer__brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--ink); }
.footer__links { display: flex; gap: 20px; margin-inline: auto; }
.footer__links a { color: var(--ink-dim); text-decoration: none; }
.footer__links a:hover { color: var(--accent); }

/* ---------- version switcher (fixed, bottom-left) ---------- */
.switcher {
  position: fixed; left: 16px; bottom: 16px; z-index: 40;
  display: flex; gap: 4px; padding: 4px;
  background: var(--hud-bg-solid);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border: 1px solid var(--hud-border-dim); border-radius: 999px;
  font-size: 0.78rem;
}
.switcher a {
  text-decoration: none; color: var(--ink-dim); font-weight: 600;
  padding: 7px 14px; border-radius: 999px; white-space: nowrap;
  transition: color 0.15s ease, background 0.15s ease;
}
.switcher a:hover { color: var(--ink); background: rgba(77, 225, 255, 0.1); }
.switcher a[aria-current="true"] { color: #041018; background: var(--accent); }

/* ---------- motion / no-3d fallbacks ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001s !important; animation-iteration-count: 1 !important; transition-duration: 0.001s !important; }
}

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .card-grid, .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .panel-split, .featured, .fronts { grid-template-columns: minmax(0, 1fr); }
  .panel-window { min-height: 200px; }
  .contact-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 720px) {
  .container { width: calc(100% - 32px); }
  .nav__inner { flex-wrap: wrap; row-gap: 0; padding-block: 10px; min-height: 0; }
  .nav__links { order: 3; width: 100%; margin: 8px 0 0; overflow-x: auto; scrollbar-width: none; }
  .nav__links::-webkit-scrollbar { display: none; }
  .nav__actions { margin-left: auto; }
  .nav__cta { display: none; }
  main { padding-top: 104px; }
  .chapter--hero { min-height: calc(100svh - 104px); }
  .card-grid, .steps, .case-grid, .field-grid { grid-template-columns: minmax(0, 1fr); }
  .section-head { flex-direction: column; align-items: flex-start; }
  .footer__links { margin-inline: 0; }
  .switcher { left: 12px; bottom: 12px; }
}

/* Seletor com 5 layouts: quebra linha em telas estreitas */
@media (max-width: 640px) { .switcher { max-width: calc(100vw - 24px); flex-wrap: wrap; justify-content: center; } .switcher a { padding: 7px 10px; white-space: nowrap; } }