/* Landing page OneRing sobre o design system (tokens.css gerado de plataforma/design-system/tokens.json). */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--surface); }
html { overflow-x: hidden; overflow-x: clip; }
body { margin: 0; font-family: var(--font-sans); font-size: 17px; line-height: 1.65; font-weight: 400; color: var(--ink); background: var(--surface); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
h1, h2, h3, p { margin: 0; }
a { color: var(--ink); }
a:hover { color: var(--gold-ink); }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 3px; border-radius: 2px; }
.night a:focus-visible { outline-color: var(--focus-ring-on-night); }
.skip { position: absolute; left: var(--space-4); top: -60px; z-index: 10; background: var(--night); color: var(--on-night-strong); padding: var(--space-2) var(--space-4); border-radius: var(--radius-md); }
.skip:focus { top: var(--space-4); color: var(--on-night-strong); }

.wrap { max-width: 1200px; margin: 0 auto; padding-inline: 24px; }
.stack-lg { display: flex; flex-direction: column; gap: 64px; padding-block: 120px; }
.stack-md { display: flex; flex-direction: column; align-items: flex-start; gap: 28px; padding-block: 160px; }
.eyebrow { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold-ink); }
.section-head { display: flex; flex-direction: column; gap: 16px; max-width: 760px; }
h2 { font-size: clamp(32px, 3.8vw, 52px); line-height: 1.1; font-weight: 300; letter-spacing: -0.03em; text-wrap: balance; }
.lede { font-size: 20px; line-height: 1.6; color: var(--ink-muted); max-width: 34em; }
.band { background: var(--surface-page); border-block: 1px solid var(--border); }

/* Logotipo */
.wordmark { display: inline-flex; align-items: baseline; text-decoration: none; color: var(--ink); font-size: 26px; font-weight: 300; letter-spacing: -0.01em; line-height: 1; }
.wordmark-o { display: inline-block; width: 0.84em; height: 0.84em; border: 0.075em solid var(--gold); border-radius: var(--radius-full); margin-right: 0.06em; }
.wordmark-sm { font-size: 20px; }

/* Botões em pílula da landing */
.pill { display: inline-flex; align-items: center; height: 44px; padding: 0 22px; border-radius: var(--radius-full); font-weight: 600; text-decoration: none; white-space: nowrap; }
.pill-night { background: var(--night); color: var(--on-night-strong); }
.pill-night:hover { background: var(--night-raised); color: var(--on-night-strong); }
.pill-gold { height: 56px; padding: 0 32px; background: var(--gold); color: var(--on-gold); font-size: 17px; }
.pill-gold:hover { background: var(--gold-hover); color: var(--on-gold); }
.underline { font-weight: 600; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; }

/* Cabeçalho */
.top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; padding-block: 28px; position: relative; z-index: 2; }
.top-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 32px; font-size: 15px; font-weight: 500; }
.top-nav a:not(.pill) { color: var(--ink-muted); text-decoration: none; }
.top-nav a.enter { color: var(--ink); font-weight: 700; }
.top-nav a:not(.pill):hover { color: var(--gold-ink); }

/* Abertura com o anel */
.hero { position: relative; padding-block: 120px 160px; }
.hero-ring { position: absolute; top: 40px; right: -260px; width: 720px; height: 720px; border: 1.5px solid var(--gold); border-radius: var(--radius-full); pointer-events: none; }
.hero-ring span { position: absolute; left: 82px; top: 128px; width: 14px; height: 14px; border-radius: var(--radius-full); background: var(--gold); }
.hero-ring-inner { top: 160px; right: -140px; width: 480px; height: 480px; border: 1px solid var(--border); }
.hero-copy { position: relative; max-width: 760px; display: flex; flex-direction: column; gap: 32px; }
h1 { font-size: clamp(44px, 6.4vw, 88px); line-height: 1.02; font-weight: 300; letter-spacing: -0.035em; text-wrap: balance; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 32px; padding-top: 8px; }

/* Afirmação de contexto */
.statement { border-top: 1px solid var(--border); }
.statement p { max-width: 980px; padding-block: 120px; font-size: clamp(28px, 3.4vw, 46px); line-height: 1.22; font-weight: 300; letter-spacing: -0.025em; text-wrap: pretty; }
.statement span { color: var(--ink-muted); }

/* Colunas de valor e pilares */
.columns { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 48px 56px; }
.column { display: flex; flex-direction: column; gap: 14px; border-top: 1px solid var(--ink); padding-top: 28px; }
.column h3, .pillar h3, .steps h3 { font-size: 24px; line-height: 1.25; font-weight: 300; letter-spacing: -0.01em; }
.column p, .pillar p, .steps p, .row p { color: var(--ink-muted); }
.column p strong, .pillar p strong { color: var(--ink); font-weight: 600; background: linear-gradient(transparent 60%, var(--ring-line-gold) 60%); }
.pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.pillar { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--space-5); display: flex; flex-direction: column; gap: 12px; }
.pillar h3 { font-size: 20px; font-weight: 300; }

/* Trilha de procedência: setas em gold-ink */
.trail { list-style: none; margin: 0; padding: 28px 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 20px 0; border-block: 1px solid var(--border); }
.trail li { position: relative; display: grid; gap: 4px; align-content: start; padding-right: 48px; min-width: 0; }
.trail li:not(:last-child)::after { content: "\2192"; position: absolute; right: 14px; top: 14px; color: var(--gold-ink); font-weight: 800; font-size: 22px; line-height: 1; }
.trail-k { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-muted); }
.trail-v { font-weight: 700; font-size: 18px; }

/* Para quem */
.rows { display: flex; flex-direction: column; }
.row { display: flex; flex-wrap: wrap; gap: 8px 48px; padding-block: 32px; border-top: 1px solid var(--border); }
.row:last-child { border-bottom: 1px solid var(--border); }
.row h3 { flex: 0 1 300px; font-size: 28px; line-height: 1.2; font-weight: 300; letter-spacing: -0.02em; }
.row p { flex: 1 1 420px; min-width: 0; font-size: 18px; }

/* Faixa noturna com o anel */
.night { position: relative; background: var(--night); color: var(--on-night); overflow: hidden; }
.night-ring { position: absolute; left: 50%; top: 50%; width: 560px; height: 560px; margin: -280px 0 0 -280px; border: 1.5px solid var(--gold); border-radius: var(--radius-full); opacity: 0.9; }
.night-copy { position: relative; max-width: 900px; margin: 0 auto; padding: 200px 24px; display: flex; flex-direction: column; align-items: center; gap: 24px; text-align: center; }
.night h2 { color: var(--on-night-strong); font-size: clamp(34px, 4.4vw, 60px); line-height: 1.08; }
.night p { max-width: 32em; font-size: 18px; }

/* Passos */
.steps { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 48px 56px; }
.steps li { display: flex; flex-direction: column; gap: 14px; }
.step-n { font-size: 56px; line-height: 1; font-weight: 300; letter-spacing: -0.04em; color: var(--gold-ink); }

/* Perguntas */
.faq { display: flex; flex-wrap: wrap; gap: 48px 96px; padding-block: 120px; }
.faq-head { flex: 1 1 300px; min-width: 0; }
.faq-head h2 { font-size: clamp(32px, 3.4vw, 46px); }
.faq-list { flex: 2 1 560px; min-width: 0; }
details { border-top: 1px solid #c9cfdb; padding-block: 28px; }
details:last-child { border-bottom: 1px solid #c9cfdb; }
summary { display: flex; justify-content: space-between; align-items: center; gap: 24px; font-size: 21px; font-weight: 500; list-style: none; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
details p { margin-top: 16px; color: var(--ink-muted); max-width: 40em; }
.plus { flex: none; font-size: 28px; font-weight: 300; line-height: 1; color: var(--gold-ink); }
details[open] .plus { transform: rotate(45deg); }

/* Chamada final */
.cta h2 { max-width: 820px; font-size: clamp(38px, 5vw, 72px); line-height: 1.04; letter-spacing: -0.035em; }

/* Rodapé */
.foot { border-top: 1px solid var(--border); }
.foot-row { display: flex; flex-wrap: wrap; gap: 16px 40px; align-items: center; justify-content: space-between; padding-block: 40px 48px; font-size: 14px; color: var(--ink-muted); }
.foot-nav { display: flex; flex-wrap: wrap; gap: 8px 28px; }
.foot-nav a { color: var(--ink-muted); text-decoration: none; }
.foot-nav a:hover { color: var(--gold-ink); }

@media (max-width: 1000px) {
  .trail { grid-template-columns: 1fr; }
  .trail li { padding: 0 0 32px; }
  .trail li:not(:last-child)::after { content: "\2193"; right: auto; left: 0; top: auto; bottom: 4px; }
}
@media (max-width: 720px) {
  .hero { padding-block: 64px 96px; }
  .hero-ring { right: -460px; opacity: 0.35; }
  .hero-ring span { display: none; }
  .hero-ring-inner { display: none; }
  .stack-lg, .faq, .statement p { padding-block: 80px; }
  .stack-md { padding-block: 96px; }
  .night-copy { padding-block: 140px; }
  .night-ring { width: 380px; height: 380px; margin: -190px 0 0 -190px; }
}
@media (prefers-reduced-motion: no-preference) {
  .plus { transition: transform .2s ease; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}