/* ==========================================================================
   Dias & Alves Advocacia — base.css
   Tokens, reset, tipografia, componentes e estrutura compartilhada
   (header, footer). Reutilizável pelas páginas futuras, como
   /direito-sem-complicacao/.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  /* Cores da identidade */
  --ivory: #FAF7F1;
  --ivory-rgb: 250, 247, 241;
  --beige: #F2ECE1;
  --beige-deep: #E8DFCF;
  --wine: #4B2327;
  --wine-deep: #3A1B1F;
  --wine-night: #1F1112;
  --gold: #B08D57;
  --gold-rgb: 176, 141, 87;
  --gold-light: #CDAE78;
  --gold-ink: #86642F;           /* dourado para texto sobre claro (contraste AA) */
  --graphite: #1E1C1B;
  --text: #2A2624;
  --text-muted: #5E5650;
  --line: rgba(30, 28, 27, 0.14);
  --line-gold: rgba(var(--gold-rgb), 0.45);

  /* Tipografia */
  --font-serif: "Cormorant Garamond", "Cormorant", Garamond, "Times New Roman", serif;
  --font-sans: "Manrope", "Helvetica Neue", Arial, system-ui, sans-serif;

  /* Espaçamento e layout */
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --container: 1320px;
  --section-space: clamp(5rem, 11vw, 10rem);
  --header-h: 72px;

  /* Movimento */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.45s;
}

@media (min-width: 1024px) {
  :root { --header-h: 88px; }
}

/* ---------- Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, picture, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }

::selection { background: var(--wine); color: var(--ivory); }

/* ---------- Acessibilidade ---------- */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 0.75rem; left: 0.75rem;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--wine);
  color: var(--ivory);
  font-size: 0.875rem;
  font-weight: 600;
  transform: translateY(-160%);
  transition: transform var(--dur) var(--ease);
}
.skip-link:focus { transform: none; }

:focus-visible {
  outline: 2px solid var(--gold-ink);
  outline-offset: 4px;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  padding-block: var(--section-space);
}

/* ---------- Tipografia editorial ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-ink);
}

.eyebrow__rule {
  display: inline-block;
  width: 2.5rem;
  height: 1px;
  background: var(--gold);
  transform-origin: left;
}

.section-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.9rem, 1.1rem + 3.4vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -0.012em;
  color: var(--graphite);
  text-wrap: balance;
}

.section-title em,
.hero__title em,
.contact__title em,
.social__title em {
  font-style: italic;
  color: var(--wine);
}

.section-head {
  display: grid;
  gap: 1.5rem;
  max-width: 52rem;
  margin-bottom: clamp(3rem, 7vw, 5.5rem);
}

/* ---------- Botões ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  min-height: 3.25rem;
  padding: 0 1.75rem;
  border: 1px solid transparent;
  border-radius: 1px;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
  overflow: hidden;
  isolation: isolate;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

/* Filete dourado que se desenha na base do botão */
.btn::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.6s var(--ease-out);
}
.btn:hover::after,
.btn:focus-visible::after { transform: scaleX(1); transform-origin: left; }

.btn__arrow {
  display: inline-block;
  font-size: 1rem;
  letter-spacing: 0;
  transition: transform var(--dur) var(--ease);
}
.btn:hover .btn__arrow,
.btn:focus-visible .btn__arrow { transform: translateX(4px); }

.btn--primary {
  background: var(--wine);
  border-color: var(--wine);
  color: var(--ivory);
}
.btn--primary:hover,
.btn--primary:focus-visible { background: var(--wine-deep); border-color: var(--wine-deep); }

.btn--ghost {
  border-color: rgba(75, 35, 39, 0.35);
  color: var(--wine);
}
.btn--ghost:hover,
.btn--ghost:focus-visible { border-color: var(--wine); background: rgba(75, 35, 39, 0.04); }

.btn--sm { min-height: 2.75rem; padding: 0 1.25rem; font-size: 0.72rem; }
.btn--lg { min-height: 3.75rem; padding: 0 2.25rem; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--wine);
  background: linear-gradient(var(--gold), var(--gold)) left bottom / 100% 1px no-repeat;
  transition: background-size 0.6s var(--ease-out), color var(--dur) var(--ease);
}
.text-link__arrow { transition: transform var(--dur) var(--ease); }
.text-link:hover,
.text-link:focus-visible { color: var(--gold-ink); background-size: 35% 1px; }
.text-link:hover .text-link__arrow,
.text-link:focus-visible .text-link__arrow { transform: translateX(6px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--header-h);
}

/* O fundo com blur fica num pseudo-elemento para não criar
   bloco de contenção para o menu mobile (position: fixed). */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(var(--ivory-rgb), 0.86);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  backdrop-filter: blur(14px) saturate(1.1);
  border-bottom: 1px solid rgba(var(--gold-rgb), 0.28);
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}
.site-header.is-scrolled::before { opacity: 1; }

.site-header__inner {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.brand {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 44px;
  margin-right: auto;
}
.brand__emblem { width: 44px; height: 44px; }
.brand__wordmark { width: auto; height: 26px; }

@media (min-width: 1024px) {
  .brand { gap: 0.75rem; }
  .brand__emblem { width: 54px; height: 54px; }
  .brand__wordmark { height: 32px; }
}

/* Nav — mobile: painel em tela cheia */
.site-nav {
  position: fixed;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2.5rem;
  padding: calc(var(--header-h) + 2rem) var(--gutter) 3rem;
  background: var(--ivory);
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.45s var(--ease), visibility 0s linear 0.45s;
}
.site-nav.is-open {
  visibility: visible;
  opacity: 1;
  transition: opacity 0.45s var(--ease), visibility 0s;
}

.site-nav__list { display: grid; gap: 0.25rem; }
.site-nav__list a {
  display: inline-flex;
  align-items: center;
  min-height: 3.25rem;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 8vw, 2.75rem);
  font-weight: 500;
  line-height: 1.1;
  color: var(--graphite);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.site-nav__list a:hover,
.site-nav__list a:focus-visible { color: var(--wine); transform: translateX(6px); }

.site-nav__cta { align-self: flex-start; }
.site-header__cta { display: none; }

.menu-toggle {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 44px;
  min-height: 44px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--wine);
}
.menu-toggle__bars { position: relative; width: 26px; height: 10px; }
.menu-toggle__bars span {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), top var(--dur) var(--ease);
}
.menu-toggle__bars span:first-child { top: 0; }
.menu-toggle__bars span:last-child { top: 9px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:first-child { top: 4.5px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:last-child { top: 4.5px; transform: rotate(-45deg); }

@media (min-width: 640px) {
  .site-header__cta { display: inline-flex; }
  .site-nav__cta { display: none; }
  .menu-toggle__label { display: none; }
}

/* Nav — desktop: horizontal */
@media (min-width: 1024px) {
  .menu-toggle { display: none; }

  .site-nav {
    position: static;
    flex-direction: row;
    padding: 0;
    background: none;
    visibility: visible;
    opacity: 1;
    transition: none;
  }
  .site-nav__list { display: flex; gap: clamp(1.25rem, 2.2vw, 2.25rem); }
  .site-nav__list a {
    position: relative;
    min-height: 44px;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--text);
  }
  .site-nav__list a::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 10px;
    height: 1px;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.5s var(--ease-out);
  }
  .site-nav__list a:hover,
  .site-nav__list a:focus-visible { transform: none; color: var(--wine); }
  .site-nav__list a:hover::after,
  .site-nav__list a:focus-visible::after,
  .site-nav__list a[aria-current="true"]::after { transform: scaleX(1); transform-origin: left; }

  .site-header__cta { margin-left: 1rem; }
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  background: var(--wine-night);
  color: rgba(var(--ivory-rgb), 0.72);
  padding-block: clamp(4rem, 8vw, 6.5rem) 2rem;
  font-size: 0.9rem;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  width: min(100% - var(--gutter) * 2, var(--container));
  height: 1px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, rgba(var(--gold-rgb), 0.55), transparent);
}

.site-footer__top {
  display: grid;
  gap: 3rem;
  padding-bottom: clamp(3rem, 6vw, 4.5rem);
}

.site-footer__brand { display: grid; gap: 1.25rem; justify-items: start; align-content: start; max-width: 22rem; }
.site-footer__emblem { width: 76px; height: 76px; }
.site-footer__wordmark { width: 220px; height: auto; margin-top: -0.5rem; }   /* nome junto ao emblema, como na logo */
.site-footer__tagline { font-family: var(--font-serif); font-style: italic; font-size: 1.15rem; line-height: 1.4; }

.site-footer__heading {
  margin-bottom: 1.1rem;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-light);
}
.site-footer__col ul { display: grid; gap: 0.15rem; }
.site-footer__col a {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  transition: color var(--dur) var(--ease);
}
.site-footer__col a:hover,
.site-footer__col a:focus-visible { color: var(--gold-light); }
.site-footer :focus-visible { outline-color: var(--gold-light); }

.site-footer__legal {
  display: grid;
  gap: 0.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(var(--gold-rgb), 0.2);
  font-size: 0.78rem;
  color: rgba(var(--ivory-rgb), 0.6);
}
/* Mobile: assinatura por último, no mesmo eixo esquerdo (~12px do texto anterior) */
.site-footer__legal .krodrign-signature { justify-self: start; margin-top: 4px; }

@media (min-width: 640px) {
  .site-footer__top { grid-template-columns: repeat(2, 1fr); }
  .site-footer__brand { grid-column: 1 / -1; }
}
@media (min-width: 1024px) {
  .site-footer__top { grid-template-columns: 1.6fr repeat(3, 1fr); }
  .site-footer__brand { grid-column: auto; }
  /* © | OAB  /  aviso legal | assinatura KRODRIGN */
  .site-footer__legal { grid-template-columns: 1fr auto; column-gap: 2rem; }
  .site-footer__legal .krodrign-signature { justify-self: end; margin-top: 0; }
}

/* ---------- Revelação no scroll ----------
   Só esconde o conteúdo quando o JS está ativo (classe .js no <html>)
   e o usuário não pediu movimento reduzido. */
@media (prefers-reduced-motion: no-preference) {
  .js [data-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 1s var(--ease), transform 1.1s var(--ease-out);
    transition-delay: var(--reveal-delay, 0s);
  }
  .js [data-reveal].is-visible { opacity: 1; transform: none; }

  .js [data-reveal] .eyebrow__rule { transform: scaleX(0); transition: transform 1.2s var(--ease-out) 0.25s; }
  .js [data-reveal].is-visible .eyebrow__rule { transform: scaleX(1); }
}

/* ---------- Movimento reduzido ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }
}

.nowrap { white-space: nowrap; }