/* ==========================================================================
   Nera — site-wide styles (consome ../styles.css tokens)
   ========================================================================== */

* { box-sizing: border-box; }

/* Display serif: Playfair Display (diacríticos PT-BR bem resolvidos) — injetada via chrome.js */
:root { --font-serif: "Playfair Display", "Cormorant Garamond", Georgia, serif; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--surface-page);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text-primary); text-decoration: none; }
a:hover { color: var(--text-accent); }
::selection { background: var(--nera-sand-500); color: var(--nera-black); }

img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 3px; }

/* ---- Layout ------------------------------------------------------------ */
.wrap { width: min(1160px, 100% - 48px); margin-inline: auto; }
@media (max-width: 640px) { .wrap { width: calc(100% - 40px); } }
.section { padding-block: clamp(72px, 10vw, 128px); position: relative; }
.section--tight { padding-block: clamp(48px, 6vw, 80px); }

/* ---- Type -------------------------------------------------------------- */
.eyebrow {
  font-size: var(--text-xs); font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-label); text-transform: uppercase;
  color: var(--text-accent); display: flex; align-items: center; gap: 14px;
}
.eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--rule-accent); }
.eyebrow--bare::before { display: none; }

.display-xl, .display-lg, .display-md {
  font-family: var(--font-serif); font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-display); line-height: var(--leading-tight);
  margin: 0; text-wrap: balance;
}
.display-xl { font-size: var(--text-display-xl); }
.display-lg { font-size: var(--text-display-lg); }
.display-md { font-size: var(--text-display-md); }

.lead { font-size: var(--text-md); color: var(--text-secondary); line-height: var(--leading-relaxed); max-width: 56ch; text-wrap: pretty; }
.meta { font-size: var(--text-sm); color: var(--text-muted); }
.idx { font-family: var(--font-serif); font-style: italic; font-weight: var(--fw-medium); color: var(--text-accent); }

/* ---- Header ------------------------------------------------------------ */
.hd {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--surface-page) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-hairline);
}
.hd-in { display: flex; align-items: center; gap: 28px; height: 68px; }
.hd-logo { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.hd-logo img { height: 30px; width: auto; }
.hd-word { font-family: var(--font-serif); font-weight: var(--fw-semibold); font-size: 1.35rem; letter-spacing: 0.14em; }

.hd-nav { display: flex; gap: 26px; }
.hd-nav a {
  font-size: var(--text-sm); font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-wide); color: var(--text-secondary);
  padding: 6px 0; border-bottom: 1px solid transparent;
}
.hd-nav a:hover { color: var(--text-primary); }
.hd-nav a[aria-current="page"] { color: var(--text-primary); border-bottom-color: var(--rule-accent); }

.hd-tools { display: flex; align-items: center; gap: 14px; }
.hd-btn {
  appearance: none; background: none; border: 1px solid var(--border-subtle);
  color: var(--text-secondary); border-radius: 4px; height: 34px; min-width: 34px;
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-size: var(--text-sm); cursor: pointer; padding: 0 10px;
}
.hd-btn:hover { color: var(--text-primary); border-color: var(--border-strong); }

.hd-menu-btn { display: none; }
@media (max-width: 960px) {
  .hd-nav, .hd-lang-wrap { display: none; }
  .hd-menu-btn { display: inline-flex; }
}

/* dropdowns (idioma / tema) */
.dd { position: relative; }
.dd-panel {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 168px;
  background: var(--surface-raised); border: 1px solid var(--border-subtle);
  border-radius: 6px; padding: 6px; display: none; z-index: 70;
  box-shadow: 0 10px 30px -12px rgba(58,48,40,.20);
}
.dd.open .dd-panel { display: block; }
.dd-item {
  display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 12px;
  background: none; border: 0; font: inherit; font-size: var(--text-sm);
  color: var(--text-secondary); padding: 8px 10px; border-radius: 4px; cursor: pointer; text-align: left;
}
.dd-item:hover { background: var(--surface-inset); color: var(--text-primary); }
.dd-item[aria-checked="true"] { color: var(--text-primary); font-weight: var(--fw-semibold); }
.dd-item .soon { font-size: var(--text-xs); letter-spacing: var(--tracking-wide); color: var(--text-muted); text-transform: uppercase; }

/* mobile sheet */
.sheet {
  position: fixed; inset: 0; z-index: 80; background: var(--surface-page);
  display: none; flex-direction: column; padding: 24px;
}
.sheet.open { display: flex; }
.sheet nav { display: flex; flex-direction: column; gap: 4px; margin-top: 32px; }
.sheet nav a {
  font-family: var(--font-serif); font-size: 2rem; font-weight: var(--fw-medium);
  padding: 10px 4px; border-bottom: 1px solid var(--border-hairline);
}
.sheet-foot { margin-top: auto; display: flex; flex-direction: column; gap: 16px; }

/* ---- Buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-sans); font-size: var(--text-sm); font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wide); text-transform: uppercase;
  border-radius: 4px; padding: 0 26px; height: 50px; cursor: pointer;
  border: 1px solid transparent; transition: background .2s, color .2s, border-color .2s;
}
.btn-solid { background: var(--surface-invert); color: var(--text-inverse); }
.btn-solid:hover { background: var(--accent-strong); color: var(--text-on-accent); }
[data-theme="dark"] .btn-solid:hover { background: var(--nera-sand-500); color: var(--nera-black); }
.btn-ghost { background: transparent; color: var(--text-primary); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--surface-invert); color: var(--text-inverse); }
.btn-sm { height: 40px; padding: 0 18px; }
.btn-link {
  background: none; border: 0; padding: 0; height: auto; text-transform: none; letter-spacing: 0;
  font-size: var(--text-base); font-weight: var(--fw-medium); color: var(--text-primary);
  border-bottom: 1px solid var(--rule-accent); border-radius: 0; cursor: pointer;
}
.btn-link:hover { color: var(--text-accent); }

/* ---- Cards / panels ----------------------------------------------------- */
.card {
  background: var(--surface-raised); border: 1px solid var(--border-subtle);
  border-radius: 6px; padding: 32px;
}
.card--flat { background: transparent; }
.hairline-top { border-top: 1px solid var(--border-subtle); }

/* dica técnica escondida (easter egg) */
.rw-secret { position: relative; cursor: default; }
.rw-secret:hover::after {
  content: attr(data-rw); position: absolute; left: 50%; transform: translateX(-50%);
  bottom: calc(100% + 6px); font-size: var(--text-xs); letter-spacing: var(--tracking-wide);
  color: var(--text-accent); white-space: nowrap; font-family: var(--font-sans);
}

/* ---- Tables ------------------------------------------------------------- */
.tbl { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.tbl th {
  text-align: left; font-size: var(--text-xs); letter-spacing: var(--tracking-label);
  text-transform: uppercase; font-weight: var(--fw-semibold); color: var(--text-muted);
  padding: 10px 14px; border-bottom: 1px solid var(--border-strong);
}
.tbl td { padding: 12px 14px; border-bottom: 1px solid var(--border-hairline); color: var(--text-secondary); }
.tbl td:first-child { color: var(--text-primary); font-weight: var(--fw-medium); }
.tbl .ok { color: var(--success-fg); }

/* ---- Forms --------------------------------------------------------------- */
.field { display: flex; flex-direction: column; gap: 8px; }
.field > label {
  font-size: var(--text-xs); font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--text-secondary);
}
.input, .select {
  width: 100%; height: 50px; padding: 0 16px; font: inherit; font-size: var(--text-base);
  color: var(--text-primary); background: var(--surface-raised);
  border: 1px solid var(--border-subtle); border-radius: 4px;
}
.select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-muted) 50%), linear-gradient(135deg, var(--text-muted) 50%, transparent 50%); background-position: calc(100% - 20px) 55%, calc(100% - 15px) 55%; background-size: 5px 5px; background-repeat: no-repeat; cursor: pointer; }
.input:focus, .select:focus { border-color: var(--border-strong); outline: none; }
.hint { font-size: var(--text-xs); color: var(--text-muted); }

/* stepper numérico */
.stepper { display: flex; align-items: stretch; border: 1px solid var(--border-subtle); border-radius: 4px; background: var(--surface-raised); height: 50px; }
.stepper button { width: 46px; background: none; border: 0; font-size: 1.1rem; color: var(--text-secondary); cursor: pointer; }
.stepper button:hover { color: var(--text-primary); background: var(--surface-inset); }
.stepper output { flex: 1; display: flex; align-items: center; justify-content: center; font-variant-numeric: tabular-nums; font-weight: var(--fw-medium); border-inline: 1px solid var(--border-hairline); }

/* ---- Chips / badges ------------------------------------------------------ */
.chip {
  display: inline-flex; align-items: center; gap: 8px; min-height: 26px; padding: 3px 12px;
  border-radius: 999px; font-size: var(--text-xs); font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-wide); text-transform: uppercase;
  border: 1px solid var(--border-subtle); color: var(--text-secondary); background: var(--surface-raised);
}
.chip--ok { color: var(--success-fg); border-color: color-mix(in srgb, var(--success) 45%, transparent); }
.chip--warn { color: #A8842C; border-color: rgba(168,132,44,.4); }
[data-theme="dark"] .chip--warn { color: #D4B36A; border-color: rgba(212,179,106,.4); }

/* ---- Blueprint (skeleton intencional) ------------------------------------ */
.bp {
  border: 1.5px dashed color-mix(in srgb, var(--text-accent) 55%, transparent);
  border-radius: 6px; padding: 24px; position: relative; background: transparent;
}
.bp-tag {
  position: absolute; top: -9px; left: 16px; padding: 0 8px;
  background: var(--surface-page); font-size: var(--text-xs);
  letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--text-accent);
  font-weight: var(--fw-semibold);
}
.bp-bar { height: 10px; border-radius: 999px; background: var(--surface-inset); border: 1px solid var(--border-hairline); }

/* ---- Skeleton (blueprint honesto — sem conteúdo) ---- */
.sk { background: color-mix(in srgb, var(--text-muted) 22%, transparent); border-radius: 4px; min-height: 12px; }
.sk--circle { border-radius: 50%; }
@media (prefers-reduced-motion: no-preference) {
  .sk { animation: sk-pulse 1.9s ease-in-out infinite; }
  @keyframes sk-pulse { 0%, 100% { opacity: .5; } 50% { opacity: 1; } }
}

/* ---- Reveal on scroll ----------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .rv { opacity: 0; transform: translateY(18px); transition: opacity .55s cubic-bezier(.22,.61,.36,1), transform .55s cubic-bezier(.22,.61,.36,1); }
  .rv.rv-in { opacity: 1; transform: none; }
  .rv-d1 { transition-delay: .08s; } .rv-d2 { transition-delay: .16s; } .rv-d3 { transition-delay: .24s; }
}

/* ---- Footer ---------------------------------------------------------------- */
.ft { background: var(--surface-invert); color: var(--text-inverse); margin-top: clamp(64px, 8vw, 120px); }
.ft a { color: color-mix(in srgb, var(--text-inverse) 72%, transparent); }
.ft a:hover { color: var(--nera-sand-500); }
.ft-seal { height: 3px; background: var(--nera-sand-500); }
.ft-in { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-block: 64px 40px; }
@media (max-width: 860px) { .ft-in { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .ft-in { grid-template-columns: 1fr; } }
.ft h4 {
  font-size: var(--text-xs); letter-spacing: var(--tracking-label); text-transform: uppercase;
  font-weight: var(--fw-semibold); color: var(--nera-sand-500); margin: 0 0 16px;
}
.ft ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: var(--text-sm); }

.ft-brand p { font-size: var(--text-sm); color: color-mix(in srgb, var(--nera-cream-100) 62%, transparent); max-width: 30ch; }
.ft-base {
  border-top: 1px solid rgba(174,160,135,.18); padding-block: 20px 26px;
  display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between;
  font-size: var(--text-xs); color: color-mix(in srgb, var(--nera-cream-100) 48%, transparent);
}
.ft-base .kefas { letter-spacing: var(--tracking-wide); }
.ft-base .kefas span { color: var(--nera-sand-500); }

/* footer sempre escuro, mesmo no tema claro (editorial noir) */
.ft { --text-inverse: var(--nera-cream-100); }

/* ---- Variant switcher (só protótipo) ---------------------------------------- */
.vswitch {
  display: inline-flex; align-items: center; gap: 10px;
  border: 1.5px dashed color-mix(in srgb, var(--text-accent) 50%, transparent);
  border-radius: 999px; padding: 5px 8px 5px 14px; font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--text-muted);
}
.vswitch button {
  border: 1px solid var(--border-subtle); background: var(--surface-raised);
  font: inherit; color: var(--text-secondary); border-radius: 999px;
  height: 24px; min-width: 30px; cursor: pointer; letter-spacing: inherit;
}
.vswitch button[aria-pressed="true"] { background: var(--surface-invert); color: var(--text-inverse); border-color: var(--surface-invert); }

/* ---- Placeholder de mídia ----------------------------------------------------- */
.media-ph { position: relative; background: var(--surface-inset); border: 1px solid var(--border-subtle); border-radius: 6px; overflow: hidden; }
.media-ph .play {
  position: absolute; inset: 0; margin: auto; width: 76px; height: 76px; border-radius: 50%;
  border: 1px solid var(--border-strong); background: color-mix(in srgb, var(--surface-page) 82%, transparent);
  display: flex; align-items: center; justify-content: center; cursor: pointer; z-index: 2;
  transition: transform .3s cubic-bezier(.22,.61,.36,1);
}
.media-ph .play:hover { transform: scale(1.05); }
.media-ph .play::after { content: ""; border-style: solid; border-width: 10px 0 10px 17px; border-color: transparent transparent transparent var(--text-primary); margin-left: 4px; }