/* ===================================================================
   Refúgio Tech — styles.css
   Boutique técnica · refúgio sólido e calmo para PMEs.
   Paleta oficial, grid 8px, tipografia Balgin (títulos) + Roboto (corpo).
   =================================================================== */

/* ---------- Fontes locais: Balgin (apenas light / extralight) ---------- */
@font-face {
  font-family: "Balgin";
  src: url("../fonts/balgin-light.otf") format("opentype");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Balgin";
  src: url("../fonts/balgin-extralight.otf") format("opentype");
  font-weight: 200;
  font-style: normal;
  font-display: swap;
}

/* ---------- Design tokens ---------- */
:root {
  /* paleta oficial — hex exatos, não alterar */
  --verde-pastel: #B2C2B9;   /* primária — o refúgio, calma */
  --cinza-chumbo: #455259;   /* secundária — textos / estrutura, solidez */
  --amarelo-suave: #D9C583;  /* acento — CTA e destaques pontuais, uso moderado */
  --preto-antifragil: #262E33; /* títulos, contraste, fundo de seção escura */
  --off-white: #F2F2F2;      /* fundos de seção, respiro visual */

  /* tons de apoio derivados do próprio logo, só para ornamentos decorativos */
  --facet-1: #A8BFB0;
  --facet-2: #E8E6D8;
  --facet-3: #4A5759;
  --facet-4: #D8C079;
  --facet-5: #576165;
  --facet-6: #2C3639;
  --facet-7: #6B7A7F;

  /* tipografia */
  --font-display: "Balgin", "Segoe UI", -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-body: "Roboto", -apple-system, "Segoe UI", Arial, sans-serif;

  /* grid base 8px */
  --sp-1: 8px;
  --sp-2: 16px;
  --sp-3: 24px;
  --sp-4: 32px;
  --sp-6: 48px;
  --sp-8: 64px;
  --sp-10: 80px;
  --sp-12: 96px;
  --sp-15: 120px;

  --container-max: 1200px;
  --side-margin: 24px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset mínimo ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, p, figure { margin: 0; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

@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; scroll-behavior: auto !important; }
}

/* ---------- Base ---------- */
body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  color: var(--cinza-chumbo);
  background: var(--off-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---------- Acessibilidade: foco e utilidades ---------- */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--amarelo-suave);
  outline-offset: 3px;
  border-radius: 2px;
}

.visually-hidden {
  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: absolute;
  left: var(--sp-2);
  top: -60px;
  background: var(--preto-antifragil);
  color: var(--off-white);
  padding: var(--sp-2) var(--sp-3);
  border-radius: 4px;
  z-index: 1000;
  transition: top 0.2s var(--ease);
}
.skip-link:focus {
  top: var(--sp-2);
}

/* ---------- Container ---------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--side-margin);
}

/* ===================================================================
   Header
   =================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(242, 242, 242, 0.88);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(69, 82, 89, 0.12);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 96px;
}

.brand { display: inline-flex; align-items: center; gap: var(--sp-2); }
.brand__mark { height: 44px; width: auto; flex-shrink: 0; }
.brand__name {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.375rem;
  letter-spacing: 0.01em;
  color: var(--preto-antifragil);
  white-space: nowrap;
}

.site-header__link {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  color: var(--cinza-chumbo);
  padding: var(--sp-1) var(--sp-2);
  border-radius: 4px;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
  white-space: nowrap;
}
.site-header__link:hover {
  color: var(--preto-antifragil);
  background: rgba(69, 82, 89, 0.08);
}

/* Telas muito estreitas: o lockup horizontal (símbolo + nome) ocupa mais
   espaço que o símbolo sozinho de antes — reduz a marca e troca o link de
   contato pelo rótulo curto (achado real em teste em 390px/360px: mesmo
   reduzindo fonte, "Fale com a gente" ainda não cabia). */
.site-header__link-short { display: none; }
@media (max-width: 479px) {
  .site-header__inner { height: 84px; }
  .brand { gap: var(--sp-1); }
  .brand__mark { height: 36px; }
  .brand__name { font-size: 1.0625rem; }
  .site-header__link { font-size: 0.8125rem; padding: 6px 10px; }
  .site-header__link-full { display: none; }
  .site-header__link-short { display: inline; }
}

/* ===================================================================
   Hero
   =================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--off-white);
  padding-top: var(--sp-15);
  padding-bottom: calc(var(--sp-15) + 56px);
}

/* formas decorativas suaves, inspiradas nas facetas do logo — tons únicos, baixa opacidade */
.hero__facet {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}
.hero__facet--one {
  width: 620px;
  height: 620px;
  top: -220px;
  right: -200px;
  background: var(--verde-pastel);
  opacity: 0.35;
  clip-path: polygon(30% 0%, 100% 0%, 100% 70%, 55% 100%, 0% 55%);
}
.hero__facet--two {
  width: 360px;
  height: 360px;
  bottom: -140px;
  left: -120px;
  background: var(--cinza-chumbo);
  opacity: 0.06;
  clip-path: polygon(0% 20%, 65% 0%, 100% 60%, 40% 100%);
}

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-10);
  align-items: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cinza-chumbo);
  margin-bottom: var(--sp-4);
}
.kicker__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amarelo-suave);
  flex-shrink: 0;
}

.hero__headline {
  font-family: var(--font-display);
  font-weight: 300;
  color: var(--preto-antifragil);
  font-size: clamp(2.25rem, 5.4vw, 4.75rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  max-width: 16ch;
}

.hero__mark {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
}
.hero__mark-img {
  width: min(320px, 70vw);
  filter: drop-shadow(0 24px 48px rgba(38, 46, 51, 0.16));
}

/* seam diagonal: hero (claro) -> introdução (escuro) */
.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: clamp(40px, 7vw, 96px);
  background: var(--preto-antifragil);
  clip-path: polygon(0 100%, 100% 35%, 100% 100%);
}

/* ===================================================================
   Introdução — fundo escuro (Preto Antifrágil)
   =================================================================== */
.intro {
  position: relative;
  background: var(--preto-antifragil);
  padding-top: var(--sp-15);
  padding-bottom: calc(var(--sp-15) + 56px);
  overflow: hidden;
}

.intro__watermark {
  position: absolute;
  top: 50%;
  right: -8%;
  transform: translateY(-50%);
  width: clamp(360px, 48vw, 640px);
  opacity: 0.05;
  pointer-events: none;
}

.intro__inner {
  position: relative;
  z-index: 1;
  /* trocado de flex-row para posicionamento com padding: evita o
     bug clássico de overflow de texto em filho flex (min-width:auto
     + max-width em ch não encolhia corretamente em telas estreitas,
     confirmado visualmente — texto cortado no mobile). Bloco normal
     sempre respeita a largura do contêiner. */
  padding-left: calc(var(--sp-4) + 3px);
}

.intro__bar {
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--amarelo-suave);
  border-radius: 2px;
}

.intro__paragraph {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  line-height: 1.75;
  color: var(--off-white);
  max-width: 42ch;
}

.intro__teaser {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  margin-top: var(--sp-4);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amarelo-suave);
}
.intro__teaser-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amarelo-suave);
  flex-shrink: 0;
}

/* seam diagonal: introdução (escuro) -> contato (claro) */
.intro::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: clamp(40px, 7vw, 96px);
  background: var(--verde-pastel);
  clip-path: polygon(0 35%, 100% 100%, 0 100%);
}

/* ===================================================================
   Contato — fundo Verde Pastel Suave
   =================================================================== */
.contact {
  position: relative;
  background: var(--verde-pastel);
  padding-top: var(--sp-15);
  padding-bottom: calc(var(--sp-15) + 56px);
  overflow: hidden;
  text-align: center;
  scroll-margin-top: 96px;
}

.contact__facet {
  position: absolute;
  width: 420px;
  height: 420px;
  left: -160px;
  bottom: -180px;
  background: var(--off-white);
  opacity: 0.4;
  clip-path: polygon(20% 0%, 100% 15%, 85% 100%, 0% 75%);
  pointer-events: none;
}

.contact__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 640px;
}

.contact__shard {
  width: 72px;
  height: 36px;
  margin-bottom: var(--sp-3);
}

.contact__heading {
  font-family: var(--font-display);
  font-weight: 300;
  color: var(--preto-antifragil);
  font-size: clamp(2rem, 4.2vw, 3.25rem);
  line-height: 1.15;
  margin-bottom: var(--sp-2);
}

.contact__subtext {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.0625rem;
  /* preto-antifragil em vez de cinza-chumbo: sobre o verde pastel claro,
     cinza-chumbo fica abaixo de 4.5:1 (falha AA em texto normal) */
  color: var(--preto-antifragil);
  margin-bottom: var(--sp-6);
}

.contact__form {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--sp-3);
  width: 100%;
  max-width: 420px;
  text-align: left;
}

.contact__field { display: flex; }

.contact__form input[type="text"],
.contact__form input[type="email"],
.contact__form textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--preto-antifragil);
  background: var(--off-white);
  border: 1px solid rgba(38, 46, 51, 0.22);
  border-radius: 4px;
  padding: var(--sp-2) var(--sp-3);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.contact__form textarea { resize: vertical; min-height: 104px; }
.contact__form input::placeholder,
.contact__form textarea::placeholder { color: rgba(38, 46, 51, 0.5); }
.contact__form input:focus-visible,
.contact__form textarea:focus-visible {
  outline: none;
  border-color: var(--cinza-chumbo);
  box-shadow: 0 0 0 3px rgba(69, 82, 89, 0.18);
}

.contact__form button[type="submit"] {
  align-self: flex-start;
  border: 0;
  cursor: pointer;
  font: inherit;
}
.contact__form button[type="submit"]:disabled {
  opacity: 0.65;
  cursor: wait;
}

.contact__form-status {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--preto-antifragil);
  min-height: 1.3em;
}
.contact__form-status[data-state="error"] { color: #7a2f2f; }

.contact__cta {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.01em;
  color: var(--preto-antifragil);
  background: var(--amarelo-suave);
  padding: var(--sp-2) var(--sp-4);
  border-radius: 4px;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background-color 0.2s var(--ease);
  box-shadow: 0 1px 2px rgba(38, 46, 51, 0.1);
}
.contact__cta:hover {
  background: #e4d39a;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(38, 46, 51, 0.18);
}

/* seam diagonal: contato (claro) -> rodapé (escuro) */
.contact::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: clamp(32px, 5vw, 72px);
  background: var(--preto-antifragil);
  clip-path: polygon(0 100%, 100% 40%, 100% 100%);
}

/* ===================================================================
   Rodapé
   =================================================================== */
.site-footer {
  background: var(--preto-antifragil);
  padding-top: var(--sp-8);
  padding-bottom: var(--sp-8);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
}

.site-footer__mark {
  height: 32px;
  opacity: 0.6;
}

.site-footer__text {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: rgba(242, 242, 242, 0.6);
  text-align: center;
}

/* ===================================================================
   Reveal on scroll (JS adiciona .reveal-ready na raiz e depois .is-visible
   em cada item). Sem JS ou se o script falhar ao carregar, os elementos
   .reveal permanecem com a aparência normal (opacity/posição padrão) —
   a ocultação só é ativada quando o próprio script confirma que rodou.
   =================================================================== */
html.reveal-ready .reveal:not(.is-visible) {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
html.reveal-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================================================
   Breakpoints — mobile first
   =================================================================== */

/* Tablet ≥ 600px */
@media (min-width: 600px) {
  :root { --side-margin: 32px; }

  .contact__shard { width: 96px; height: 48px; }
}

/* Desktop ≥ 1024px */
@media (min-width: 1024px) {
  :root { --side-margin: 40px; }

  .hero {
    padding-top: var(--sp-15);
    padding-bottom: calc(var(--sp-15) + 72px);
  }

  .hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--sp-12);
  }

  .hero__mark { justify-content: flex-end; }

  .intro__inner { padding-left: var(--sp-6); }
}

/* Desktop grande ≥ 1440px */
@media (min-width: 1440px) {
  .hero__headline { max-width: 18ch; }
}