/* ==========================================================
   Closer Branding — Componentes v1.0
   Depende de tokens.css
   ========================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + var(--space-4)); }
body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: var(--weight-light);
  font-size: var(--text-body);
  line-height: var(--leading-relaxed);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.on-dark :focus-visible { outline-color: var(--color-text-inverse); }

/* ---------- Textura de papel (sutil) ---------- */
.paper {
  position: relative;
  background-color: var(--color-bg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .05 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: calc(var(--container-narrow) + 2 * var(--gutter)); }
.section { padding-block: var(--section-y); position: relative; overflow: hidden; }
.section--ink { background: var(--color-bg-inverse); color: var(--color-text-inverse); }

/* ---------- Tipografia ---------- */
.t-display, .t-h1, .t-h2, .t-h3 { font-family: var(--font-display); font-weight: var(--weight-bold); margin: 0; letter-spacing: var(--tracking-tight); }
.t-display { font-size: var(--text-display); line-height: var(--leading-tight); }
.t-h1 { font-size: var(--text-h1); line-height: var(--leading-snug); }
.t-h2 { font-size: var(--text-h2); line-height: var(--leading-snug); }
.t-h3 { font-size: var(--text-h3); line-height: 1.2; letter-spacing: -.01em; }
.t-italic { font-style: italic; }
.t-thin { font-weight: var(--weight-light); }
.t-lead { font-size: var(--text-lead); line-height: 1.6; max-width: var(--measure); }
.t-body { max-width: var(--measure); }
.t-muted { color: var(--color-text-muted); }
.on-dark .t-muted { color: var(--color-text-inverse-muted); }
.t-label {
  font-family: var(--font-display); font-weight: var(--weight-medium);
  font-size: var(--text-label); letter-spacing: var(--tracking-wide); text-transform: uppercase; line-height: 1.4;
}
.t-hand { font-family: var(--font-hand); font-weight: 500; font-size: var(--text-hand); line-height: 1; letter-spacing: 0; }

/* ---------- Logo (tipográfico — trocar pelo SVG oficial) ---------- */
.logo { font-family: var(--font-display); font-size: 1.375rem; line-height: 1; letter-spacing: -.03em; white-space: nowrap; text-decoration: none; color: inherit; }
.logo b { font-weight: var(--weight-bold); }
.logo i { font-weight: var(--weight-light); font-style: italic; letter-spacing: -.01em; }

/* ---------- Botão ---------- */
.btn {
  --btn-bg: var(--color-bg-inverse); --btn-fg: var(--color-text-inverse); --btn-bd: var(--color-bg-inverse);
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-3);
  min-height: var(--tap-min); padding: 0 var(--space-6);
  font-family: var(--font-display); font-weight: var(--weight-medium); font-size: 1rem; line-height: 1;
  color: var(--btn-fg); background: var(--btn-bg); border: 1.5px solid var(--btn-bd); border-radius: var(--radius-pill);
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn:hover { --btn-bg: var(--gray-700); --btn-bd: var(--gray-700); }
.btn:active { transform: scale(.98); }
.btn--secondary { --btn-bg: transparent; --btn-fg: var(--color-text); --btn-bd: var(--color-border-strong); }
.btn--secondary:hover { --btn-bg: var(--color-bg-inverse); --btn-fg: var(--color-text-inverse); --btn-bd: var(--color-bg-inverse); }
.btn--ghost { --btn-bg: transparent; --btn-fg: var(--color-text); --btn-bd: transparent; padding-inline: var(--space-2); }
.btn--ghost:hover { --btn-bg: transparent; --btn-bd: transparent; text-decoration: underline; text-underline-offset: 6px; }
.btn--sm { min-height: 40px; padding: 0 var(--space-5); font-size: .875rem; }
.btn--lg { min-height: 56px; padding: 0 var(--space-7); font-size: 1.0625rem; }
.btn--block { width: 100%; }
.on-dark .btn { --btn-bg: var(--color-text-inverse); --btn-fg: var(--color-text); --btn-bd: var(--color-text-inverse); }
.on-dark .btn:hover { --btn-bg: var(--gray-300); --btn-bd: var(--gray-300); }
.on-dark .btn--secondary { --btn-bg: transparent; --btn-fg: var(--color-text-inverse); --btn-bd: var(--color-text-inverse); }
.on-dark .btn--secondary:hover { --btn-bg: var(--color-text-inverse); --btn-fg: var(--color-text); }
.btn[aria-disabled="true"], .btn:disabled { opacity: .4; pointer-events: none; }
.btn.is-loading { pointer-events: none; color: transparent; position: relative; }
.btn.is-loading::after { content: ""; position: absolute; width: 18px; height: 18px; border: 2px solid var(--btn-fg); border-right-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* WhatsApp flutuante — ícone no celular, pílula com texto no computador */
.fab {
  position: fixed; right: var(--space-4); bottom: calc(var(--space-4) + env(safe-area-inset-bottom));
  z-index: var(--z-float); min-width: 60px; height: 60px; padding: 0 16px; border-radius: var(--radius-pill);
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-3);
  background: var(--color-bg-inverse); color: var(--color-text-inverse); border: 1.5px solid var(--gray-700);
  font-family: var(--font-display); font-weight: var(--weight-medium); font-size: .9375rem; white-space: nowrap;
  box-shadow: var(--shadow-float); text-decoration: none;
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.fab svg { width: 28px; height: 28px; flex: none; }
.fab__label { display: none; }
.fab:hover { background: var(--gray-700); }
.fab:active { transform: scale(.96); }
.fab.is-hidden { transform: translateY(140%); opacity: 0; pointer-events: none; }
.fab::after { /* pulso discreto ao aparecer, uma vez */
  content: ""; position: absolute; inset: -1.5px; border-radius: inherit; border: 1.5px solid var(--color-bg-inverse);
  opacity: 0; pointer-events: none;
}
.fab:not(.is-hidden)::after { animation: fab-pulse 1.6s var(--ease-out) .4s 2; }
@keyframes fab-pulse { 0% { opacity: .6; transform: scale(1); } 100% { opacity: 0; transform: scale(1.35); } }
@media (min-width: 1024px) {
  .fab { right: var(--space-6); bottom: var(--space-6); height: 56px; padding: 0 var(--space-5) 0 var(--space-4); }
  .fab svg { width: 24px; height: 24px; }
  .fab__label { display: inline; }
}
@media (prefers-reduced-motion: reduce) { .fab::after { animation: none; } }

/* ---------- Etiqueta (faixa preta) ---------- */
.tag {
  display: inline-block; padding: .35em .7em .3em; background: var(--color-bg-inverse); color: var(--color-text-inverse);
  font-family: var(--font-display); font-weight: var(--weight-bold); font-size: var(--text-label);
  letter-spacing: var(--tracking-wide); text-transform: uppercase; line-height: 1.2; white-space: nowrap;
}
.tag--lg { display: inline; white-space: normal; font-size: clamp(.9rem, .8rem + .5vw, 1.25rem); letter-spacing: .02em; text-transform: none; padding: .3em .55em; line-height: 1.7; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.tag--outline { background: transparent; color: var(--color-text); box-shadow: inset 0 0 0 1.5px var(--color-border-strong); font-weight: var(--weight-medium); }
.on-dark .tag { background: var(--color-text-inverse); color: var(--color-text); }

/* ---------- Anotação manuscrita ---------- */
.note { display: inline-flex; align-items: flex-end; gap: var(--space-2); color: var(--color-text); }
.note svg { width: 44px; height: 32px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Marca d'água ---------- */
.watermark {
  position: absolute; z-index: var(--z-watermark); pointer-events: none; user-select: none;
  font-family: var(--font-display); font-weight: var(--weight-bold); letter-spacing: -.06em; line-height: .8;
  font-size: clamp(9rem, 4rem + 30vw, 30rem); color: var(--color-watermark); white-space: nowrap;
}
.section--ink .watermark { color: var(--gray-800); }

/* ---------- Header fixo ---------- */
.header {
  position: sticky; top: 0; z-index: var(--z-header); height: var(--header-h);
  display: flex; align-items: center; background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent; transition: border-color var(--dur-base) var(--ease-out);
}
.header.is-scrolled { border-bottom-color: var(--color-border); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); width: 100%; }
.header__nav { display: none; gap: var(--space-6); }
.header__nav a { font-family: var(--font-display); font-size: .9375rem; color: var(--color-text); text-decoration: none; padding-block: var(--space-2); background: linear-gradient(currentColor, currentColor) 0 100% / 0 1.5px no-repeat; transition: background-size var(--dur-base) var(--ease-out); }
.header__nav a:hover, .header__nav a[aria-current="true"] { background-size: 100% 1.5px; }
.header__menu { width: var(--tap-min); height: var(--tap-min); display: grid; place-items: center; background: none; border: 0; color: inherit; cursor: pointer; }
@media (min-width: 900px) { .header__nav { display: flex; } .header__menu { display: none; } }

/* ---------- Card de serviço ---------- */
.service {
  display: grid; gap: var(--space-4); padding: var(--space-6) 0; border-top: var(--border-ink);
}
.service__num { font-family: var(--font-display); font-size: var(--text-small); font-weight: var(--weight-medium); color: var(--color-text-muted); }
.service p { margin: 0; }

/* ---------- Etapa do método ---------- */
.step { display: grid; grid-template-columns: auto 1fr; gap: var(--space-2) var(--space-5); align-items: baseline; padding-block: var(--space-5); border-bottom: var(--border-hair); }
.step__num { min-width: 2.1em; font-family: var(--font-display); font-weight: var(--weight-bold); font-style: italic; font-size: var(--text-h2); line-height: 1; }
.step p { grid-column: 2; margin: 0; }

/* ---------- Seletor segmentado (Antes / Depois) ---------- */
.segmented { display: inline-flex; padding: 4px; border: var(--border-ink); border-radius: var(--radius-pill); gap: 2px; }
.segmented button {
  min-height: 40px; min-width: 96px; padding: 0 var(--space-5); border: 0; border-radius: var(--radius-pill); cursor: pointer;
  font-family: var(--font-display); font-weight: var(--weight-medium); font-size: .875rem; background: transparent; color: var(--color-text);
  transition: background var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}
.segmented button[aria-selected="true"] { background: var(--color-bg-inverse); color: var(--color-text-inverse); }

/* ---------- Case ---------- */
.case { display: grid; gap: var(--space-5); min-width: 0; }
.case__grid img { width: 100%; height: 100%; object-fit: cover; min-width: 0; }
.case__head { display: grid; gap: var(--space-2); }
.case__tags { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.case__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px; }
.case__grid > * { aspect-ratio: 3 / 4; background: var(--gray-300); }
.case__empty { aspect-ratio: auto; grid-column: 1 / -1; padding: var(--space-7) var(--space-5); text-align: center; border: 1.5px dashed var(--gray-400); background: transparent; }

/* ---------- Banner de cookies (LGPD) ---------- */
.cookie {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3) var(--space-5);
  padding: var(--space-4) var(--space-5); background: var(--color-bg-inverse); color: var(--color-text-inverse);
  font-size: var(--text-small); line-height: 1.5;
}
.cookie p { margin: 0; flex: 1 1 240px; }

/* ---------- Revelar ao rolar ---------- */
.reveal { opacity: 0; transform: translateY(var(--reveal-distance)); transition: opacity var(--dur-reveal) var(--ease-out), transform var(--dur-reveal) var(--ease-out); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }