html { scroll-behavior: smooth; }

/* campo de fundo */
.field-cold-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.45;
  background-image:
    linear-gradient(var(--line-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-faint) 1px, transparent 1px);
  background-size: clamp(48px, 6vw, 88px) clamp(48px, 6vw, 88px);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 30%, #000 30%, transparent 86%);
          mask-image: radial-gradient(120% 90% at 50% 30%, #000 30%, transparent 86%);
}
.field-vignette { position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(130% 90% at 50% 24%, transparent 42%, var(--ground-deep) 100%); }
.field-geometry {
  --geo-scroll: 0px;
  position: fixed; inset: -8%; z-index: 1; pointer-events: none;
  width: 116%; height: 116%; overflow: visible;
  opacity: 0.62;
  transform: translate3d(0, var(--geo-scroll), 0);
  will-change: transform;
}
.field-geometry .geo {
  fill: none;
  stroke: var(--ice-soft);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}
.field-geometry .geo--faint { opacity: 0.18; }
.field-geometry .geo--soft { opacity: 0.34; }
.field-geometry .geo--mass { fill: var(--ink); stroke: none; opacity: 0.03; }
.field-geometry .geo--sun { fill: var(--sun); stroke: none; opacity: 0.34; }
.field-geometry .geo-cluster { transform-box: fill-box; transform-origin: center; }
.field-geometry .geo-drift--a { animation: geoDriftA 26s var(--ease-in-out) infinite alternate; }
.field-geometry .geo-drift--b { animation: geoDriftB 32s var(--ease-in-out) infinite alternate; }
.field-geometry .geo-drift--c { animation: geoDriftC 29s var(--ease-in-out) infinite alternate; }
.field-geometry .geo-drift--d { animation: geoDriftD 36s var(--ease-in-out) infinite alternate; }
@keyframes geoDriftA { to { transform: translate(18px, -24px) rotate(1.4deg); } }
@keyframes geoDriftB { to { transform: translate(-22px, 16px) rotate(-1deg); } }
@keyframes geoDriftC { to { transform: translate(14px, 22px) rotate(1.2deg); } }
@keyframes geoDriftD { to { transform: translate(-16px, -18px) rotate(-1.5deg); } }

/* moldura */
.frame { position: fixed; inset: 0; z-index: 30; pointer-events: none; }
.frame .corner { position: absolute; width: 16px; height: 16px; border: 1px solid var(--line); }
.frame .tl { top: 14px; left: 14px; border-right: 0; border-bottom: 0; }
.frame .tr { top: 14px; right: 14px; border-left: 0; border-bottom: 0; }
.frame .bl { bottom: 14px; left: 14px; border-right: 0; border-top: 0; }
.frame .br { bottom: 14px; right: 14px; border-left: 0; border-top: 0; }

.top {
  position: fixed; top: 0; left: 0; right: 0; z-index: 32;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.1rem clamp(1.6rem, 4vw, 3rem); pointer-events: none;
  background: linear-gradient(180deg, var(--ground) 35%, transparent);
}
.top .grp { display: flex; align-items: center; gap: 0.7rem; pointer-events: auto; }
.top a.home { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.14em; color: var(--ink-mute); text-transform: uppercase; transition: color var(--fast); }
.top a.home:hover { color: var(--sun); }
.top .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--sun); box-shadow: 0 0 10px 1px var(--sun-glow); animation: breathe 5.2s var(--ease-in-out) infinite; }
@keyframes breathe { 0%,100% { opacity: .55; transform: scale(.85);} 50% { opacity: 1; transform: scale(1.12);} }
.top b { font-family: var(--serif); font-weight: 500; font-size: 0.96rem; }

/* eixo lateral: visual em shared/base.css; aqui só o breakpoint do digital-artisan */
@media (max-width: 800px) { .eixo { display: none; } }

main { position: relative; z-index: 10; }
.act { max-width: var(--max); margin: 0 auto; padding-inline: clamp(1.6rem, 5vw, 4.5rem); }
.reveal.in { animation: riseIn .9s var(--ease) both; }
.reveal.d1.in { animation-delay: .08s; } .reveal.d2.in { animation-delay: .16s; } .reveal.d3.in { animation-delay: .24s; }
@keyframes riseIn { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }

/* ---- abertura ---- */
.capa { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding-block: 7rem 3rem; }
.capa .eyebrow { display: flex; align-items: center; gap: 1.1rem; margin-bottom: 2rem; flex-wrap: wrap; }
.capa .eyebrow .tick { width: 3rem; height: 1px; background: var(--line-soft); }
.verbete { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ice-soft); }
.capa h1 { font-family: var(--serif); font-weight: 300; letter-spacing: -0.025em; font-size: clamp(3rem, 8.5vw, 7.6rem); line-height: 0.92; }
.capa h1 em { font-style: italic; color: var(--sun); }
.capa .verb2 { margin-top: 1.6rem; font-family: var(--serif); font-style: italic; font-size: clamp(1.3rem, 2.6vw, 2.2rem); color: var(--ink); line-height: 1.2; max-width: 26ch; }
.capa .tagline { margin-top: 2.4rem; display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem; max-width: 60ch; }
.capa .tagline span { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.04em; color: var(--ink-mute); }
.capa .tagline span em { color: var(--sun-soft); font-style: normal; }
.capa .lead { margin-top: 2.2rem; max-width: 60ch; display: grid; gap: 1.5rem; }
.capa .lead p { color: var(--ink-soft); font-size: clamp(1.05rem, 1.5vw, 1.24rem); line-height: 1.65; }
.capa .lead p b { color: var(--ink); font-weight: 500; }
.capa .lead p em { color: var(--ink); font-style: italic; }
.scrollcue { margin-top: 3rem; font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.18em; color: var(--ink-faint); text-transform: uppercase; display: flex; align-items: center; gap: 0.6rem; }
.scrollcue .ln { width: 0; height: 1px; background: var(--ink-faint); animation: cue 3s var(--ease-in-out) infinite; }
@keyframes cue { 0%,100% { width: 0; opacity: .3; } 50% { width: 40px; opacity: 1; } }

.actlabel { display: flex; align-items: baseline; gap: 1.2rem; margin-bottom: 2.8rem; }
.actlabel .ix { font-family: var(--mono); font-size: 0.78rem; color: var(--sun-soft); letter-spacing: 0.08em; }
.actlabel h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(1.6rem, 2.6vw, 2.3rem); letter-spacing: -0.01em; }
.actlabel .rule { flex: 1; height: 1px; background: var(--line-soft); align-self: center; }

/* ---- diagrama vivo ---- */
.diagrama { min-height: 100vh; padding-block: 6rem; display: flex; flex-direction: column; justify-content: center; }
.instr { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.instr__stage { position: relative; aspect-ratio: 1; max-width: 40rem; margin-inline: auto; width: 100%; }
.instr__stage svg { width: 100%; height: 100%; overflow: visible; }
.arc-guide { fill: none; stroke: var(--line-faint); stroke-width: 1; }
.arc { fill: none; stroke: var(--sun); stroke-linecap: round; transition: none; }
.arc-cold { fill: none; stroke: var(--ice-soft); stroke-linecap: round; }
.force-lab { font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em; fill: var(--ink-mute); text-transform: uppercase; }
.force-lab.on { fill: var(--sun); }
.core-sun { fill: var(--sun); }

.instr__panel { display: grid; gap: 1.6rem; align-content: center; }
.instr__panel .pk { font-family: var(--mono); font-size: var(--meta-size); letter-spacing: 0.16em; text-transform: uppercase; color: var(--ice-soft); }
.instr__panel h3 { font-family: var(--serif); font-weight: 300; font-size: clamp(1.8rem, 3vw, 2.6rem); line-height: 1.05; letter-spacing: -0.015em; }
.instr__panel h3 em { font-style: italic; color: var(--sun); }
.instr__panel .pdesc { color: var(--ink-soft); font-size: 1.04rem; line-height: 1.62; max-width: 42ch; }
.instr__panel .pdesc b { color: var(--ink); }

.integra { display: grid; gap: 0.9rem; padding: 1.4rem 0; }
.integra__top { display: flex; justify-content: space-between; align-items: baseline; font-family: var(--mono); font-size: var(--meta-size); letter-spacing: 0.1em; color: var(--ink-mute); text-transform: uppercase; }
.integra__top b { color: var(--sun); font-weight: 400; font-size: 0.95rem; }
.integra input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 44px; background: transparent; outline: none; cursor: pointer; touch-action: manipulation; }
.integra input[type="range"]:focus-visible { outline: 2px solid var(--sun); outline-offset: 2px; border-radius: 999px; }
.integra input[type="range"]::-webkit-slider-runnable-track { height: 2px; background: var(--line); }
.integra input[type="range"]::-moz-range-track { height: 2px; background: var(--line); }
.integra input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 16px; height: 16px; border-radius: 50%; background: var(--sun); box-shadow: 0 0 12px var(--sun-glow); cursor: grab; border: 0; }
.integra input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: var(--sun); box-shadow: 0 0 12px var(--sun-glow); cursor: grab; border: 0; }
.integra__scale { display: flex; justify-content: space-between; font-family: var(--mono); font-size: var(--meta-size); letter-spacing: 0.08em; color: var(--ink-faint); text-transform: uppercase; }

.pullquote {
  margin: clamp(16rem, 34vh, 26rem) auto 0;
  width: 100%;
  max-width: none;
  text-align: center;
}
.pullquote .glyph { font-family: var(--serif); font-size: 2.4rem; color: var(--sun-soft); line-height: 0; }
.pullquote p { font-family: var(--serif); font-weight: 300; font-style: italic; font-size: clamp(1.7rem, 4vw, 3.1rem); line-height: 1.22; letter-spacing: -0.01em; color: var(--ink); margin: 1.2rem 0; }
.pullquote p span { display: block; white-space: nowrap; }
.pullquote p b { font-style: normal; color: var(--sun); font-weight: 400; }

/* ---- leitura da marca ---- */
.marca {
  margin: clamp(16rem, 34vh, 26rem) 0 clamp(8rem, 18vh, 12rem);
  display: grid;
  grid-template-columns: minmax(12rem, 0.72fr) minmax(0, 1.28fr);
  border-block: 1px solid var(--line-faint);
}
.marca__selo {
  min-height: 19rem;
  display: grid;
  place-items: center;
  padding: clamp(2.2rem, 5vw, 4rem);
  border-right: 1px solid var(--line-faint);
}
.marca__selo img { width: min(100%, 15rem); height: auto; display: block; }
.marca__texto { padding: clamp(2rem, 5vw, 4rem); align-self: center; }
.marca__texto .pk { font-family: var(--mono); font-size: var(--meta-size); letter-spacing: 0.16em; text-transform: uppercase; color: var(--sun-soft); }
.marca__texto h3 { margin-top: 0.9rem; font-family: var(--serif); font-weight: 300; font-size: clamp(1.7rem, 3vw, 2.5rem); line-height: 1.08; letter-spacing: -0.015em; }
.marca__texto h3 em { color: var(--sun); font-style: italic; }
.marca__texto p { margin-top: 1.2rem; max-width: 52ch; color: var(--ink-soft); font-size: 1.02rem; line-height: 1.64; }
.marca__texto p b { color: var(--ink); font-weight: 500; }
.marca__campos { margin-top: 1.5rem; display: flex; flex-wrap: wrap; gap: 0.55rem 1.2rem; }
.marca__campos span { font-family: var(--mono); font-size: var(--meta-size); letter-spacing: 0.08em; color: var(--ink-mute); text-transform: uppercase; }
.marca__campos i { color: var(--sun); font-style: normal; }

/* ---- cinco pilares ---- */
.pilares { padding-block: 5rem; }
.pilares__intro { max-width: 56ch; margin-bottom: 3.4rem; }
.pilares__intro h2 { font-family: var(--serif); font-weight: 300; font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.04; letter-spacing: -0.02em; }
.pilares__intro h2 em { font-style: italic; color: var(--sun); }
.pilares__intro p { margin-top: 1.4rem; color: var(--ink-soft); font-size: 1.06rem; line-height: 1.6; }
.pilares__list { display: grid; gap: 0; border-top: 1px solid var(--line-faint); }
.pilar { display: grid; grid-template-columns: 5rem 1fr; gap: clamp(1.5rem, 4vw, 4rem); padding: clamp(1.8rem, 3vw, 2.6rem) 0; border-bottom: 1px solid var(--line-faint); align-items: start; transition: background var(--base); }
.pilar:hover { background: linear-gradient(90deg, oklch(0.83 0.135 72 / 0.04), transparent 70%); }
.pilar__ix { display: grid; gap: 0.5rem; }
.pilar__ix .num { font-family: var(--mono); font-size: 0.78rem; color: var(--sun-soft); letter-spacing: 0.06em; }
.pilar__ix .force { font-family: var(--mono); font-size: var(--meta-size); color: var(--ink-faint); letter-spacing: 0.12em; text-transform: uppercase; }
.pilar__body h3 { font-family: var(--serif); font-weight: 500; font-size: clamp(1.5rem, 2.4vw, 2.1rem); line-height: 1.08; letter-spacing: -0.01em; margin-bottom: 1rem; }
.pilar__body p { color: var(--ink-soft); font-size: 1.06rem; line-height: 1.66; max-width: 56ch; }
.pilar__body p b { color: var(--ink); font-weight: 500; }
.pilar__body p em { color: var(--ink); font-style: italic; }

/* ---- colofão ---- */
.colofao { min-height: 70vh; display: flex; flex-direction: column; justify-content: center; padding-block: 5rem 7rem; }
.colofao .statement { max-width: 50ch; font-family: var(--serif); font-weight: 300; font-size: clamp(1.4rem, 2.6vw, 2.1rem); line-height: 1.35; color: var(--ink-soft); }
.colofao .statement b { color: var(--ink); font-weight: 500; }
.colofao .statement em { color: var(--sun); font-style: italic; }
.colofao .sig { margin-top: 3rem; padding-top: 1.4rem; border-top: 1px solid var(--line-faint); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-family: var(--mono); font-size: var(--meta-size); letter-spacing: 0.14em; color: var(--ink-faint); text-transform: uppercase; }
.colofao .sig a { color: var(--ink-mute); transition: color var(--fast); }
.colofao .sig a:hover { color: var(--sun); }

@media (max-width: 900px) {
  .instr { grid-template-columns: 1fr; }
  .pilar { grid-template-columns: 1fr; gap: 0.8rem; }
}
@media (max-width: 700px) {
  .marca { grid-template-columns: 1fr; }
  .marca__selo { min-height: 15rem; border-right: 0; border-bottom: 1px solid var(--line-faint); }
  .marca__selo img { width: min(60vw, 12rem); }
}
@media (max-width: 560px) {
  .pullquote { margin-top: clamp(11rem, 28vh, 15rem); }
  .marca {
    margin-top: clamp(11rem, 28vh, 15rem);
    margin-bottom: clamp(5rem, 14vh, 8rem);
  }
  .pullquote p { font-size: clamp(1.35rem, 5.6vw, 1.7rem); }
  .pullquote p span { white-space: normal; }
  .field-geometry { opacity: 0.28; }
}
@media (prefers-reduced-motion: reduce) {
  .field-geometry { transform: none; }
  .field-geometry .geo-cluster { animation: none; }
}

/* ---- logo de fundo (canto inferior esquerdo, fixo) ---- */
.logo-bg {
  position: fixed; bottom: 5%; left: 3%; right: auto;
  width: clamp(8vw, 9.6vw, 12.6vw);
  opacity: 0.045; pointer-events: none; z-index: 2;
  user-select: none; -webkit-user-select: none;
}
/* ---- nav global ---- */
.obs-top {
  position: fixed; top: 0; left: 0; right: 0; z-index: 32;
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.7rem clamp(1.4rem, 3.5vw, 2.6rem);
  background: oklch(0.19 0.014 257 / 0.8);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line-faint);
}
.obs-top .grp { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; color: inherit; }
.obs-top { transition: background 0.5s var(--ease); }
.obs-top.scrolling { background: oklch(0.19 0.014 257 / 0.25); }
.logo-mark { height: 48px; width: auto; display: block; opacity: 0.9; flex-shrink: 0; }
.logo-mark--sm { height: 20px; width: auto; display: block; opacity: 0.5; flex-shrink: 0; }
.obs-top b { font-family: var(--serif); font-weight: 500; font-size: 0.96rem; text-transform: uppercase; letter-spacing: 0.06em; }
.obs-nav { display: flex; align-items: center; gap: clamp(0.6rem, 1.2vw, 1.2rem); }
.obs-nav__link { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-mute); transition: color 0.18s; white-space: nowrap; text-decoration: none; }
.obs-nav__link:hover { color: var(--ink-soft); text-decoration: underline; text-decoration-color: var(--sun); text-underline-offset: 4px; text-decoration-thickness: 1px; }
.obs-nav__link.active { color: var(--ink-soft); text-decoration: underline; text-decoration-color: var(--sun); text-underline-offset: 4px; text-decoration-thickness: 1px; }
.obs-nav__link[href="digital-artisan.html"] { color: var(--sun); }
@media (max-width: 860px) {
  .obs-top { flex-wrap: wrap; }
  .obs-nav { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 0.4rem; scrollbar-width: none; }
  .obs-nav::-webkit-scrollbar { display: none; }
}
.obs-top .site-name { display: flex; flex-direction: column; justify-content: space-between; height: 48px; font-family: var(--mono); font-weight: 300; font-size: 0.60rem; letter-spacing: 0.15em; text-transform: uppercase; line-height: 1; gap: 0; }

/* ---- léxico ---- */
#lexico { padding-block: 10rem; }
.lexico__lead { max-width: 54ch; color: var(--ink-soft); font-size: clamp(1.05rem, 1.6vw, 1.32rem); line-height: 1.55; }
.lexico__lead em { font-style: italic; color: var(--sun-soft); }
.lexico__list { margin-top: 2.6rem; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line-faint); border: 1px solid var(--line-faint); }
@media (max-width: 760px) { .lexico__list { grid-template-columns: 1fr; } }
.verbete-row { background: var(--ground); padding: clamp(1.4rem, 2.4vw, 1.9rem) clamp(1.4rem, 2.2vw, 1.8rem); display: grid; grid-template-columns: minmax(7rem, 11rem) 1fr; gap: clamp(1rem, 2vw, 1.7rem); align-items: baseline; transition: background var(--base); }
.verbete-row:hover { background: var(--ground-lift); }
.verbete-row dt { font-family: var(--serif); font-style: italic; font-size: clamp(1.2rem, 2vw, 1.62rem); color: var(--ink); line-height: 1.05; }
.verbete-row dt .pos { display: block; font-family: var(--mono); font-style: normal; font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--sun-soft); margin-top: 0.5rem; }
.verbete-row dd { color: var(--ink-soft); font-size: 0.98rem; line-height: 1.55; }
.verbete-row dd b { color: var(--sun); font-weight: 400; }
@media (max-width: 480px) { .verbete-row { grid-template-columns: 1fr; gap: 0.7rem; } }

/* ====================== ajustes v2: fundo de anéis ====================== */
/* o sol do sistema, visto de dentro: anéis concêntricos de luz morna
   subindo do horizonte — o mesmo gesto do portal do artisan na entrada */
.field-anel {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    radial-gradient(circle at 50% 118%, oklch(0.86 0.15 75 / 0.16), oklch(0.86 0.15 75 / 0.04) 38%, transparent 62%),
    repeating-radial-gradient(circle at 50% 118%, transparent 0 64px, oklch(0.83 0.135 72 / 0.05) 64px 65px),
    repeating-radial-gradient(circle at 50% 118%, transparent 0 13px, oklch(0.8 0.02 250 / 0.016) 13px 14px);
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 30%, #000 100%);
          mask-image: linear-gradient(180deg, transparent 0%, #000 30%, #000 100%);
}

/* o campo em estado puro — o verbete da lente */
#field { position: fixed; inset: 0; z-index: 0; pointer-events: none; }