/* ============================================================
   Essência Urbana — base: tokens, reset, tipografia, utilitários
   Direção editorial limpa: navy + off-white, versaletes, respiro.
   ============================================================ */

:root {
  /* Cores */
  --c-navy: #1e3a56;        /* header, títulos, botões */
  --c-navy-dark: #16334e;   /* hover de botões */
  --c-blue: #1d4f79;        /* painel de contato, acentos */
  --c-cream: #f7f4ec;       /* fundo geral */
  --c-cream-dark: #f1ede2;  /* blocos suaves */
  --c-white: #ffffff;
  --c-muted: #5c6b7a;       /* textos secundários */
  --c-line: rgba(30, 58, 86, 0.25);      /* divisores finos */
  --c-line-light: rgba(247, 244, 236, 0.35);

  /* Tipografia */
  --font-display: 'Josefin Sans', 'Trebuchet MS', sans-serif;
  --font-body: 'Josefin Sans', 'Trebuchet MS', sans-serif;

  /* Escala */
  --fs-hero: clamp(2.2rem, 4.6vw, 3.6rem);
  --fs-h2: clamp(1.8rem, 3.4vw, 2.8rem);
  --fs-h3: clamp(1.25rem, 2vw, 1.6rem);
  --fs-body: 1rem;
  --fs-small: 0.8rem;

  /* Layout */
  --container: 1240px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --header-h: 76px;
  --section-pad: clamp(4rem, 9vw, 7.5rem);

  /* Animação */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  background: var(--c-cream);
  color: var(--c-navy);
  font-family: var(--font-body);
  font-weight: 300;
  font-size: var(--fs-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 1rem;
  color: var(--c-navy);
}

p {
  margin: 0 0 1rem;
}

/* ---------- Utilitários compartilhados ---------- */
.eu-container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Seção base da one-page */
.eu-section {
  position: relative;
  padding-block: var(--section-pad);
}

/* Eyebrow: caixa-alta espaçada com separadores | */
.eu-eyebrow {
  font-size: var(--fs-small);
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-navy);
  opacity: 0.85;
  margin-bottom: 1.5rem;
}

.eu-eyebrow .sep {
  margin-inline: 0.6em;
  opacity: 0.5;
  font-weight: 300;
}

/* Títulos display */
.eu-heading {
  font-size: var(--fs-h2);
  letter-spacing: 0.01em;
}

.eu-heading--hero {
  font-size: var(--fs-hero);
}

/* Texto de apoio em versalete espaçado (como no PDF) */
.eu-lead {
  font-size: 0.95rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  line-height: 2;
  color: var(--c-navy);
  opacity: 0.9;
}

/* Linha divisória fina */
.eu-rule {
  border: 0;
  border-top: 1px solid var(--c-line);
  margin: 0;
}

/* Botão principal */
.eu-btn {
  display: inline-block;
  background: var(--c-navy);
  color: var(--c-cream);
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 1.05em 2.2em 0.9em;
  border: 0;
  cursor: pointer;
  transition: background 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}

.eu-btn:hover,
.eu-btn:focus-visible {
  background: var(--c-navy-dark);
  transform: translateY(-2px);
}

/* Link com seta → */
.eu-arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  color: var(--c-navy);
  border-bottom: 1px solid transparent;
  transition: gap 0.25s var(--ease-out);
}

.eu-arrow-link:hover,
.eu-arrow-link:focus-visible {
  gap: 1.1rem;
}

.eu-arrow {
  flex: none;
  transition: transform 0.25s var(--ease-out);
}

/* ---------- Animações de reveal (JS adiciona .is-visible) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal[data-reveal-delay='1'] { transition-delay: 0.12s; }
.reveal[data-reveal-delay='2'] { transition-delay: 0.24s; }
.reveal[data-reveal-delay='3'] { transition-delay: 0.36s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- Acessibilidade ---------- */
.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  width: 1px;
  overflow: hidden;
  position: absolute !important;
  word-wrap: normal !important;
}

:focus-visible {
  outline: 2px solid var(--c-blue);
  outline-offset: 3px;
}