/* ============================================================
   OFYLO — Sistema de design
   Estética: instrumento de medição. Grafite quente + cobre-sinal.
   Tipografia: Bricolage Grotesque (display/corpo) + Spline Sans Mono (dados)
   Cor em OKLCH. Sem preto/branco puro. Cobre como sinal, nunca verniz.
   ============================================================ */

:root {
  /* --- Cor (OKLCH, neutros tintados para o cobre) --- */
  --ink-900: oklch(0.145 0.012 55);   /* fundo base, grafite quente */
  --ink-850: oklch(0.175 0.013 55);   /* superfície */
  --ink-800: oklch(0.205 0.014 55);   /* superfície elevada */
  --ink-700: oklch(0.265 0.014 56);   /* hairlines fortes */
  --ink-600: oklch(0.34 0.014 58);    /* divisórias */
  --fog:     oklch(0.62 0.012 65);    /* texto secundário */
  --fog-dim: oklch(0.50 0.012 62);    /* texto terciário */
  --bone:    oklch(0.945 0.008 80);   /* texto principal (não #fff) */
  --bone-dim:oklch(0.88 0.009 78);

  --copper:    oklch(0.70 0.145 52);  /* sinal funcional */
  --copper-hi: oklch(0.80 0.155 60);  /* traço vivo da curva */
  --copper-lo: oklch(0.55 0.11 50);

  --grid-line: oklch(0.50 0.02 230 / 0.10); /* grade de medição, fria, discreta */
  --hair: oklch(0.95 0.01 80 / 0.10);
  --hair-strong: oklch(0.95 0.01 80 / 0.18);

  /* --- Tipografia --- */
  --display: "Bricolage Grotesque", system-ui, sans-serif;
  --body: "Bricolage Grotesque", system-ui, sans-serif;
  --mono: "Spline Sans Mono", ui-monospace, monospace;

  /* escala fluida, razão >= 1.25 */
  --t-mono:  clamp(0.66rem, 0.62rem + 0.2vw, 0.74rem);
  --t-sm:    clamp(0.86rem, 0.82rem + 0.2vw, 0.95rem);
  --t-base:  clamp(1rem, 0.95rem + 0.25vw, 1.12rem);
  --t-lg:    clamp(1.3rem, 1.1rem + 0.9vw, 1.7rem);
  --t-xl:    clamp(1.9rem, 1.4rem + 2.4vw, 3rem);
  --t-2xl:   clamp(2.8rem, 1.8rem + 4.8vw, 5.4rem);
  --t-mega:  clamp(4rem, 1.5rem + 12vw, 11rem);

  /* --- Espaço (ritmo variável, não uniforme) --- */
  --gutter: clamp(1.25rem, 0.6rem + 3vw, 3.5rem);
  --section: clamp(5rem, 3rem + 9vw, 9rem);
  --maxw: 1280px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);   /* ease-out-expo */
  --ease-q: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--ink-900);
  color: var(--bone);
  font-family: var(--body);
  font-size: var(--t-base);
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: -0.005em;
  overflow-x: hidden;
  font-feature-settings: "ss01", "ss02";
  -webkit-font-smoothing: antialiased;
}

/* grade de medição global, quase imperceptível */
body::before {
  content: "";
  position: fixed; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: clamp(48px, 7vw, 96px) clamp(48px, 7vw, 96px);
  pointer-events: none; z-index: 0;
  mask-image: radial-gradient(ellipse 120% 90% at 50% 0%, black, transparent 85%);
}

::selection { background: var(--copper); color: var(--ink-900); }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); position: relative; z-index: 1; }
.section { padding-block: var(--section); position: relative; z-index: 1; }

/* tag de seção: um numeral + rótulo, em mono — usado UMA vez por seção, não como gramática decorativa */
.sec-id { font-family: var(--mono); font-size: var(--t-mono); color: var(--copper); letter-spacing: 0.04em; display: inline-flex; gap: 0.7em; align-items: baseline; }
.sec-id b { color: var(--fog); font-weight: 400; }

/* fio de medição (hairline cheia — nunca side-stripe) */
.rule { height: 1px; background: var(--hair); border: 0; width: 100%; }
.rule-tick { position: relative; }
.rule-tick::before { content: ""; position: absolute; left: 0; top: -5px; width: 1px; height: 11px; background: var(--copper); }

/* ---------- Tipografia ---------- */
.mono { font-family: var(--mono); font-size: var(--t-mono); letter-spacing: 0.02em; color: var(--fog); }
.mono-up { font-family: var(--mono); font-size: var(--t-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--fog); }

h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 0.98; letter-spacing: -0.025em; }
.display-mega { font-family: var(--display); font-weight: 800; font-size: var(--t-mega); line-height: 0.82; letter-spacing: -0.04em; }
.h-xl { font-size: var(--t-xl); font-weight: 700; line-height: 1.02; letter-spacing: -0.03em; }
.h-2xl { font-size: var(--t-2xl); font-weight: 700; line-height: 0.95; letter-spacing: -0.035em; }
.lead { font-size: var(--t-lg); line-height: 1.35; font-weight: 500; color: var(--bone-dim); max-width: 22ch; letter-spacing: -0.02em; }
.prose { max-width: 60ch; color: var(--fog); line-height: 1.7; }
.prose strong { color: var(--bone); font-weight: 600; }
.copper { color: var(--copper); }

/* ---------- Wordmark ---------- */
.wordmark {
  font-family: var(--display); font-weight: 800; letter-spacing: -0.02em;
  display: inline-flex; align-items: center; gap: 0.34em; line-height: 1; color: var(--bone);
}
.wordmark .dot { width: 0.32em; height: 0.32em; border-radius: 50%; background: var(--copper); transform: translateY(0.04em); }
.wordmark small { font-family: var(--mono); font-size: 0.34em; letter-spacing: 0.18em; color: var(--fog); align-self: flex-end; transform: translateY(-0.2em); text-transform: uppercase; }

/* ---------- Hero ---------- */
.hero {
  min-height: 86vh;
  display: flex; flex-direction: column;
  justify-content: flex-start;
  padding-block: clamp(2.2rem, 6vw, 4.5rem) var(--section);
  position: relative;
}
.hero .display-mega { margin: 0.1em 0 0.2em; }
.hero-mark { line-height: 0; margin: clamp(1rem, 2.4vw, 1.8rem) 0 clamp(1rem, 2.4vw, 1.6rem); }
.hero-logo { display: block; width: clamp(260px, 42vw, 540px); height: auto; -webkit-user-drag: none; user-select: none; }
.hero-sub { display: flex; flex-wrap: wrap; gap: 1.4rem 2.4rem; align-items: flex-end; margin-top: clamp(1.5rem, 3vw, 2.6rem); }
.hero-curve { position: absolute; inset: auto 0 8% 0; width: 100%; height: clamp(120px, 22vw, 240px); pointer-events: none; opacity: 0.9; z-index: -1; }

/* curva de resposta (SVG) */
.curve-path { fill: none; stroke: var(--copper-hi); stroke-width: 2; stroke-linecap: round;
  filter: drop-shadow(0 0 6px oklch(0.7 0.15 55 / 0.35)); }
.curve-axis { stroke: var(--hair); stroke-width: 1; }
.curve-tick { fill: var(--fog-dim); font-family: var(--mono); font-size: 9px; }
.draw { stroke-dasharray: var(--len, 1200); stroke-dashoffset: var(--len, 1200); }
.is-in .draw { animation: draw 2.2s var(--ease) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-family: var(--mono); font-size: var(--t-sm); letter-spacing: 0.02em;
  padding: 0.85em 1.4em; border: 1px solid var(--copper); color: var(--bone);
  border-radius: 2px; transition: background 0.35s var(--ease), color 0.35s var(--ease);
}
.btn:hover { background: var(--copper); color: var(--ink-900); }
.btn .arw { transition: transform 0.35s var(--ease); }
.btn:hover .arw { transform: translateX(4px); }
.link-mono { font-family: var(--mono); font-size: var(--t-sm); color: var(--copper); display: inline-flex; gap: 0.5em; align-items: center; }
.link-mono .arw { transition: transform 0.3s var(--ease); }
.link-mono:hover .arw { transform: translateX(4px); }

/* ---------- Grid de seção (voz tech-spec) ---------- */
.split { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.split-head { position: sticky; top: 96px; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 2rem; } .split-head { position: static; } }

/* ---------- Interlúdio: A marca, em 30s (pronúncia + raiz) ---------- */
.pron-block { padding-block: clamp(2.4rem, 5vw, 4.5rem); }
.pron-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hair);
  margin-top: clamp(1.4rem, 3vw, 2.2rem);
}
.pron-cell {
  background: var(--ink-900);
  padding: clamp(1.3rem, 2.5vw, 1.9rem);
  display: flex; flex-direction: column; gap: 0.55rem;
  min-height: 7.5rem;
}
.pron-label {
  font-family: var(--mono); font-size: var(--t-mono);
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--fog-dim);
}
.pron-word {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(1.55rem, 1.2rem + 1.4vw, 2.15rem);
  line-height: 1; letter-spacing: -0.03em;
  color: var(--bone);
}
.pron-word.pron-from { font-weight: 500; font-style: italic; color: var(--bone-dim); }
.pron-stress { color: var(--copper); }
.pron-note {
  font-family: var(--mono); font-size: var(--t-mono);
  color: var(--fog); margin-top: auto;
}
.pron-prose { margin-top: clamp(1.4rem, 3vw, 2rem); max-width: 58ch; }
@media (max-width: 720px) {
  .pron-grid { grid-template-columns: 1fr; }
  .pron-cell { min-height: 0; }
}

/* ---------- Oportunidade: eixo entre dois polos ---------- */
.axis { display: grid; grid-template-columns: 1fr auto 1fr; gap: clamp(1rem,3vw,2.5rem); align-items: center; margin-top: 2.5rem; }
.axis .pole { padding: 1.4rem 0; }
.axis .pole h4 { font-family: var(--mono); font-size: var(--t-mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--fog-dim); margin-bottom: 0.6rem; }
.axis .pole p { font-size: var(--t-sm); color: var(--fog); }
.axis .center { text-align: center; }
.axis .center .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--copper); margin: 0 auto 0.8rem; box-shadow: 0 0 0 6px oklch(0.7 0.145 52 / 0.15); }
.axis .center b { font-family: var(--display); font-weight: 700; color: var(--bone); display: block; max-width: 16ch; }
@media (max-width: 720px) { .axis { grid-template-columns: 1fr; text-align: center; } }

/* ---------- Pilares TOHM ---------- */
.pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1px; background: var(--hair); border: 1px solid var(--hair); margin-top: 2.5rem; }
.pillar { background: var(--ink-900); padding: clamp(1.4rem, 2.5vw, 2rem); }
.pillar .n { font-family: var(--mono); font-size: var(--t-mono); color: var(--copper); }
.pillar h4 { font-family: var(--display); font-weight: 700; font-size: var(--t-lg); margin: 0.8rem 0 0.5rem; letter-spacing: -0.02em; }
.pillar p { font-size: var(--t-sm); color: var(--fog); }

/* ---------- Linha de produtos (inline, com imagem por produto) ---------- */
/* Opener atmosférico full-bleed: faixa "instrumento", não billboard.
   A imagem entra e sai do grafite via mask vertical, em brilho reduzido,
   com altura capada para não dominar a seção. */
.opener-bleed {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-block: clamp(2.5rem, 5vw, 4.5rem);
  position: relative;
  overflow: hidden;
}
.opener-bleed img {
  width: 100%;
  height: clamp(220px, 26vw, 340px);
  object-fit: cover;
  object-position: center 58%;
  display: block;
  filter: brightness(0.68) saturate(0.9) contrast(1.02);
  mask-image: linear-gradient(180deg,
    transparent 0%,
    oklch(0 0 0) 26%,
    oklch(0 0 0) 74%,
    transparent 100%);
  -webkit-mask-image: linear-gradient(180deg,
    transparent 0%,
    oklch(0 0 0) 26%,
    oklch(0 0 0) 74%,
    transparent 100%);
}
.opener-caption {
  position: absolute;
  left: clamp(1rem, 3vw, 2.5rem);
  bottom: clamp(1.2rem, 2.4vw, 2rem);
  color: var(--fog);
  letter-spacing: 0.08em;
  background: transparent;
  padding: 0;
}

/* Nota meramente ilustrativa — registro de rótulo técnico, presente sem gritar */
.illustrative-note {
  color: var(--fog);
  font-size: var(--t-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-block: clamp(0.6rem, 1.2vw, 1rem) clamp(1.8rem, 3.2vw, 2.6rem);
}
.illustrative-note::before {
  content: "·· ";
  color: var(--copper);
  letter-spacing: 0;
}

/* Brand still — evidência discreta na coluna sticky de "A marca" */
.brand-still {
  margin-top: clamp(1.6rem, 3vw, 2.4rem);
  max-width: 480px;
}
.brand-still img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--hair-strong);
  border-radius: 3px;
  filter: brightness(0.92) saturate(0.95);
}
.brand-still-cap {
  font-family: var(--mono);
  font-size: var(--t-mono);
  color: var(--fog-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.7rem;
}

/* Tier headers — fio + título + nota mono */
.tier-block { margin-top: clamp(2.8rem, 5.5vw, 4.5rem); }
.tier-block:first-of-type { margin-top: 0; }
.tier-header {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  padding-bottom: 0.9rem; border-bottom: 1px solid var(--hair-strong);
  margin-bottom: clamp(1.6rem, 3vw, 2.4rem);
}
.tier-header h3 { font-size: var(--t-lg); }
.tier-header .mono { color: var(--fog-dim); }
@media (max-width: 600px) {
  .tier-header { flex-direction: column; align-items: flex-start; gap: 0.4rem; }
}

/* Grid de produtos por tier — auto-fit lida com 2 e 3 produtos com a mesma regra */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(1.6rem, 3vw, 2.6rem);
}

/* Bloco de produto — figura + corpo de spec (sem card decorativo) */
.prod { display: flex; flex-direction: column; gap: clamp(0.9rem, 1.6vw, 1.2rem); }
.prod-fig {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--hair-strong);
  border-radius: 3px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 50% 45%, oklch(0.22 0.014 55), var(--ink-900) 72%);
}
.prod-fig img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Placeholder enquanto a imagem real não chega — espelha a estética do .slot técnico */
.prod-fig .slot-pl { position: absolute; inset: 0; display: grid; place-items: center; }
.prod-fig .slot-pl::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 24px 24px; opacity: 0.6;
}
.prod-fig .slot-pl .ring {
  width: 48%; aspect-ratio: 1; border-radius: 50%;
  border: 1px solid var(--ink-600);
  position: relative; display: grid; place-items: center;
  z-index: 1;
}
.prod-fig .slot-pl .ring::after {
  content: ""; width: 38%; aspect-ratio: 1; border-radius: 50%;
  border: 1px solid var(--copper-lo);
}
.prod-fig .slot-pl .note {
  position: absolute; bottom: 10px; left: 12px;
  font-family: var(--mono); font-size: var(--t-mono); color: var(--fog-dim); z-index: 1;
}

.prod-body { display: flex; flex-direction: column; gap: 0.55rem; }
.prod-tag { color: var(--copper); letter-spacing: 0.1em; text-transform: uppercase; }
.prod-name {
  font-family: var(--display); font-weight: 700;
  font-size: var(--t-lg); letter-spacing: -0.02em; line-height: 1.05;
}
.prod-spec { color: var(--fog); line-height: 1.65; }
.prod-price { color: var(--bone-dim); }
.prod-price strong { color: var(--copper); font-weight: 500; }

/* ---------- Tabela de preço / moat ---------- */
.ptable { width: 100%; border-collapse: collapse; margin-top: 2.5rem; font-size: var(--t-sm); }
.ptable th, .ptable td { text-align: left; padding: 0.95rem 0.8rem; border-bottom: 1px solid var(--hair); }
.ptable thead th { font-family: var(--mono); font-size: var(--t-mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--fog-dim); font-weight: 400; }
.ptable td.num { font-family: var(--mono); text-align: right; }
.ptable .ours { color: var(--copper); font-weight: 600; }
.ptable .comp { color: var(--fog); }
.ptable tr:hover td { background: oklch(0.95 0.01 80 / 0.02); }

/* ---------- Roadmap ---------- */
.road { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: clamp(1.5rem,3vw,3rem); margin-top: 2.5rem; }
.stage { border-top: 1px solid var(--copper); padding-top: 1.2rem; }
.stage.next { border-top-color: var(--ink-600); }
.stage .lab { font-family: var(--mono); font-size: var(--t-mono); color: var(--copper); }
.stage.next .lab { color: var(--fog-dim); }
.stage h4 { font-size: var(--t-lg); margin: 0.6rem 0 0.8rem; }
.stage ul { list-style: none; display: grid; gap: 0.5rem; }
.stage li { font-size: var(--t-sm); color: var(--fog); display: flex; gap: 0.7em; }
.stage li::before { content: "—"; color: var(--copper-lo); }
.stage.next li::before { content: "·"; }

/* ---------- Parceria / fechamento ---------- */
.deal { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--hair); border: 1px solid var(--hair); margin-top: 2.5rem; }
.deal > div { background: var(--ink-850); padding: clamp(1.6rem,3vw,2.4rem); }
.deal .who { font-family: var(--mono); font-size: var(--t-mono); color: var(--copper); margin-bottom: 1rem; }
.deal h4 { font-size: var(--t-lg); margin-bottom: 1rem; }
.deal ul { list-style: none; display: grid; gap: 0.55rem; }
.deal li { font-size: var(--t-sm); color: var(--fog); }
@media (max-width: 640px) { .deal { grid-template-columns: 1fr; } }

/* ---------- Footer ---------- */
.foot { border-top: 1px solid var(--hair); padding-block: clamp(3rem,6vw,5rem); }
.foot-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 2rem; align-items: flex-end; }
.foot .mono { color: var(--fog-dim); }

/* ---------- Páginas de produto ---------- */
.phero { padding-top: clamp(3rem,7vw,6rem); }
.pback { font-family: var(--mono); font-size: var(--t-mono); color: var(--fog); display: inline-flex; gap: 0.5em; align-items: center; }
.pback:hover { color: var(--copper); }
.pgrid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(2rem,4vw,4rem); align-items: start; margin-top: 2rem; }
@media (max-width: 860px) { .pgrid { grid-template-columns: 1fr; } }
.slot {
  aspect-ratio: 4/3; border: 1px solid var(--hair-strong); border-radius: 3px;
  display: grid; place-items: center; position: relative; overflow: hidden;
  background:
    radial-gradient(circle at 50% 45%, oklch(0.22 0.014 55), var(--ink-900) 70%);
}
.slot::before { /* grade de medição local */
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 28px 28px; opacity: 0.6;
}
.slot .ring { width: 56%; aspect-ratio: 1; border-radius: 50%; border: 1px solid var(--ink-600); position: relative; display: grid; place-items: center; }
.slot .ring::after { content: ""; width: 38%; aspect-ratio: 1; border-radius: 50%; border: 1px solid var(--copper-lo); }
.slot .note { position: absolute; bottom: 12px; left: 12px; font-family: var(--mono); font-size: var(--t-mono); color: var(--fog-dim); }
.specsheet { width: 100%; border-collapse: collapse; }
.specsheet tr { border-bottom: 1px solid var(--hair); }
.specsheet th { text-align: left; font-family: var(--mono); font-size: var(--t-mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--fog-dim); font-weight: 400; padding: 0.85rem 0; width: 42%; vertical-align: top; }
.specsheet td { padding: 0.85rem 0; font-size: var(--t-sm); color: var(--bone-dim); }
.specsheet td.todo { color: var(--fog-dim); font-family: var(--mono); }
.pnav { display: flex; justify-content: space-between; gap: 1rem; margin-top: var(--section); padding-top: 2rem; border-top: 1px solid var(--hair); }
.pnav a { font-family: var(--mono); font-size: var(--t-sm); color: var(--fog); }
.pnav a:hover { color: var(--copper); }
.pnav a.disabled { opacity: 0.3; pointer-events: none; }

/* ---------- Reveal (transform/opacity apenas) ---------- */
.rv { opacity: 0; transform: translateY(22px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.rv.is-in { opacity: 1; transform: none; }
.rv.d1 { transition-delay: 0.08s; } .rv.d2 { transition-delay: 0.16s; }
.rv.d3 { transition-delay: 0.24s; } .rv.d4 { transition-delay: 0.32s; }

/* Entrada coreografada do logo: emerge ao fim do desenho da curva
   (curva = 2.2s; logo espera 1.2s, sobe + escala + fade em 1s, fecha junto) */
@media (prefers-reduced-motion: no-preference) {
  .hero-mark.rv {
    opacity: 0;
    transform: translateY(28px) scale(0.96);
    transition: opacity 1s var(--ease), transform 1s var(--ease);
    transition-delay: 1.2s;
  }
  .hero-mark.rv.is-in {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .rv { opacity: 1; transform: none; }
  .draw { stroke-dashoffset: 0; }
}