/* =========================================================================
   Sampaio Advocacia — Estilos customizados
   Complementa o Tailwind CSS (utilitários) com tokens de marca, o motivo
   visual de "moldura de diploma" (elemento de assinatura do design) e
   comportamentos de acessibilidade/movimento.
   ========================================================================= */

:root {
  --color-bg: #FAFAFA;        /* fundo principal — off-white */
  --color-paper: #F1EEE8;     /* fundo alternado — papel levemente aquecido */
  --color-ink: #212529;       /* grafite escuro — títulos e texto principal */
  --color-slate: #4A5568;     /* cinza slate — texto secundário */
  --color-accent: #4A1521;    /* bordô seco — botões, links, bordas de destaque */
  --color-accent-deep: #330F17; /* bordô mais profundo — estados hover/active */
  --color-line: #DDD8CF;      /* linha fina — divisórias e molduras */
  --header-height: 84px;
}

/* -------------------------------------------------------------------------
   Base tipográfica
   ------------------------------------------------------------------------- */
html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-ink);
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.font-serif-display {
  font-family: 'Playfair Display', serif;
}

/* Compensa a altura do cabeçalho fixo ao navegar por âncoras */
section[id] {
  scroll-margin-top: var(--header-height);
}

/* -------------------------------------------------------------------------
   Cabeçalho e navegação
   ------------------------------------------------------------------------- */
#site-header {
  height: var(--header-height);
  background-color: rgba(250, 250, 250, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

#site-header.is-scrolled {
  border-bottom-color: var(--color-line);
  box-shadow: 0 8px 24px -20px rgba(33, 37, 41, 0.35);
}

.nav-link {
  position: relative;
  color: var(--color-ink);
  padding-bottom: 4px;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.nav-link:hover::after,
.nav-link[aria-current="true"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

#mobile-menu {
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

#mobile-menu.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* -------------------------------------------------------------------------
   Botões
   ------------------------------------------------------------------------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background-color: var(--color-accent);
  color: var(--color-bg);
  padding: 0.95rem 2rem;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  border: 1px solid var(--color-accent);
  transition: background-color 0.25s ease, color 0.25s ease, letter-spacing 0.25s ease;
}

.btn-primary:hover {
  background-color: var(--color-accent-deep);
  border-color: var(--color-accent-deep);
  letter-spacing: 0.07em;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background-color: transparent;
  color: var(--color-ink);
  padding: 0.95rem 2rem;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  border: 1px solid var(--color-ink);
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.btn-outline:hover {
  background-color: var(--color-ink);
  color: var(--color-bg);
}

.btn-outline-sm {
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  padding: 0.5rem 1.25rem;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  transition: background-color 0.25s ease, color 0.25s ease;
  white-space: nowrap;
}

.btn-outline-sm:hover {
  background-color: var(--color-accent);
  color: var(--color-bg);
}

/* -------------------------------------------------------------------------
   Motivo de assinatura: "moldura de diploma"
   Um contorno duplo e discreto, com pequenas marcas de canto, inspirado
   em certificados e diplomas jurídicos — usado de forma consistente ao
   redor de imagens e do cartão de contato para reforçar a ideia de
   documento formal e credibilidade.
   ------------------------------------------------------------------------- */
.doc-frame {
  position: relative;
  padding: 14px;
}

.doc-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--color-line);
  pointer-events: none;
}

.doc-frame__inner {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(33, 37, 41, 0.12);
}

.corner-marks::before,
.corner-marks::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  pointer-events: none;
}

.corner-marks::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--color-accent);
  border-left: 2px solid var(--color-accent);
}

.corner-marks::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 2px solid var(--color-accent);
  border-right: 2px solid var(--color-accent);
}

/* -------------------------------------------------------------------------
   Cartões de área de atuação
   ------------------------------------------------------------------------- */
.practice-card {
  border-top: 1px solid var(--color-line);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.practice-card:hover {
  border-top-color: var(--color-accent);
  transform: translateY(-4px);
}

/* -------------------------------------------------------------------------
   Formulário de contato
   ------------------------------------------------------------------------- */
.form-field {
  width: 100%;
  background-color: transparent;
  border: none;
  border-bottom: 1px solid var(--color-line);
  padding: 0.85rem 0.1rem;
  font-family: 'Inter', sans-serif;
  color: var(--color-ink);
  transition: border-color 0.25s ease;
}

.form-field:focus {
  outline: none;
  border-bottom-color: var(--color-accent);
}

.form-field.field-invalid {
  border-bottom-color: var(--color-accent);
}

.field-error {
  display: none;
  color: var(--color-accent);
  font-size: 0.78rem;
  margin-top: 0.35rem;
  letter-spacing: 0.01em;
}

.field-error.is-visible {
  display: block;
}

/* -------------------------------------------------------------------------
   Revelação suave ao rolar a página
   ------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* -------------------------------------------------------------------------
   Foco visível (acessibilidade de teclado)
   ------------------------------------------------------------------------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* -------------------------------------------------------------------------
   Barra de rolagem discreta
   ------------------------------------------------------------------------- */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background-color: var(--color-line);
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--color-accent);
}

/* -------------------------------------------------------------------------
   Responsividade reforçada
   ------------------------------------------------------------------------- */
* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  max-width: 100%;
}

body {
  overflow-x: hidden;
}

img,
svg {
  max-width: 100%;
}

.brand-link {
  max-width: calc(100% - 3rem);
}

.brand-copy,
.brand-name,
.brand-subtitle {
  min-width: 0;
}

.brand-name,
.brand-subtitle {
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-subtitle {
  white-space: nowrap;
}

.contact-value,
footer,
.doc-frame__inner,
p,
li,
a,
span {
  overflow-wrap: anywhere;
}

#mobile-menu {
  max-height: calc(100vh - var(--header-height));
  overflow-y: auto;
  box-shadow: 0 16px 28px -24px rgba(33, 37, 41, 0.45);
}

@media (max-width: 1023px) {
  :root {
    --header-height: 76px;
  }

  #site-header {
    height: var(--header-height);
  }

  .doc-frame {
    max-width: 680px;
    margin-inline: auto;
  }
}

@media (max-width: 639px) {
  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .brand-name {
    font-size: 0.95rem;
  }

  .brand-subtitle {
    font-size: 0.54rem;
    letter-spacing: 0.18em;
  }

  .hero-title {
    font-size: clamp(2rem, 9.5vw, 2.35rem);
    overflow-wrap: normal;
    word-break: normal;
    hyphens: auto;
  }

  .btn-primary,
  .btn-outline {
    min-height: 48px;
    padding-inline: 1.25rem;
  }

  .doc-frame {
    padding: 9px;
  }

  .corner-marks::before,
  .corner-marks::after {
    width: 16px;
    height: 16px;
  }

  .practice-card:hover {
    transform: none;
  }
}

@media (max-width: 374px) {
  .brand-subtitle {
    display: none;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .hero-title {
    font-size: 1.95rem;
  }
}