/* ==========================================================================
   VARS & SETUP
   ========================================================================== */
:root {
  --cal: #f8f6f0;
  --areia: #eee7d7;
  --sombra: #1c1611;
  --madeira: #634327;
  --luz: #e6a12b;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --serif: "Playfair Display", "Georgia", "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background-color: var(--sombra); /* Evita flashes brancos no scroll global */
}

body {
  margin: 0;
  background: var(--cal);
  color: var(--sombra);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.8;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Moldura estática que dá o ar de 'Estúdio/Autor' */
.moldura-site {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  border: 12px solid var(--sombra);
  pointer-events: none;
  z-index: 100;
}

.env {
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ==========================================================================
   HERÓI (ENTRADA)
   ========================================================================== */
.heroi {
  position: relative;
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 4rem;
  overflow: hidden;
  background: linear-gradient(135deg, var(--cal) 40%, var(--areia) 100%);
  border-bottom: 2px solid color-mix(in srgb, var(--sombra) 10%, transparent);
}

/* Sombra e Luz abstrata ao fundo imitando as vigas */
.heroi::after {
  content: "";
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 45%;
  background-image: 
    linear-gradient(90deg, transparent 92%, color-mix(in srgb, var(--madeira) 6%, transparent) 92%),
    radial-gradient(circle at 85% 20%, color-mix(in srgb, var(--luz) 20%, transparent), transparent 55%);
  background-size: 45px 100%, 100% 100%;
  opacity: 0.7;
  pointer-events: none;
}

.heroi-conteudo {
  position: relative;
  z-index: 2;
  max-width: 32rem;
}

.simbolo {
  width: 52px;
  height: auto;
  color: var(--sombra);
  margin-bottom: 2rem;
  opacity: 0.95;
}

.marca {
  margin: 0 0 1rem 0;
  font-family: var(--serif);
  font-size: clamp(3rem, 9vw, 5.5rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 0.95;
}

/* Transição do Nome para Email no Hover */
.autor-link {
  display: inline-block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-weight: 700;
  color: var(--madeira);
  text-decoration: none;
  height: 22px;
  overflow: hidden;
}

.autor-link span {
  display: block;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.autor-link .email-txt {
  color: var(--luz);
  text-transform: lowercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.autor-link:hover .nome-txt,
.autor-link:hover .email-txt {
  transform: translateY(-100%);
}

.desce {
  position: absolute;
  bottom: 4rem;
  left: 4rem;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--sombra);
  text-decoration: none;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10;
}

.desce::after {
  content: "";
  width: 35px;
  height: 1px;
  background: var(--sombra);
  transition: width 0.3s ease;
}

.desce:hover::after {
  width: 55px;
}

/* ==========================================================================
   SECÇÃO EDITORIAL (MANIFESTO)
   ========================================================================== */
.seccao-editorial {
  padding: 10rem 0 6rem;
}

.seccao-editorial p {
  font-size: 1.15rem;
  color: color-mix(in srgb, var(--sombra) 85%, black);
  margin-0: 0 0 2rem 0;
}

.seccao-editorial .paragrafo-destaque {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 4.5vw, 1.85rem);
  line-height: 1.6;
  color: var(--sombra);
  margin-bottom: 3.5rem;
  text-wrap: pretty;
}

/* ==========================================================================
   SECÇÃO DIAGNÓSTICO (INTERATIVA)
   ========================================================================== */
.seccao-diagnostico {
  padding: 4rem 0 10rem;
}

.titulo-seccao {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 400;
  margin: 0 0 0.5rem 0;
}

.subtitulo-seccao {
  font-size: 1rem;
  color: var(--madeira);
  margin: 0 0 3.5rem 0;
}

.grelha-diagnostico {
  border-top: 1px solid color-mix(in srgb, var(--sombra) 15%, transparent);
}

.item-diagnostico {
  border-bottom: 1px solid color-mix(in srgb, var(--sombra) 15%, transparent);
  transition: background-color 0.2s ease;
}

.item-diagnostico[open] {
  background-color: var(--areia);
}

.item-diagnostico summary {
  padding: 1.75rem 0;
  font-family: var(--serif);
  font-size: clamp(1.15rem, 3.5vw, 1.4rem);
  font-weight: 400;
  cursor: pointer;
  list-style: none; /* Esconde a seta nativa feia */
  position: relative;
  outline: none;
  padding-right: 2rem;
}

/* Seta minimalista customizada d'O Alpendre */
.item-diagnostico summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--sans);
  font-size: 1.5rem;
  color: var(--madeira);
  transition: transform 0.3s ease;
}

.item-diagnostico[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
}

/* Esconder a seta no Safari */
.item-diagnostico summary::-webkit-details-marker {
  display: none;
}

.resposta-diagnostico {
  padding: 0 0 2rem 0;
  max-width: 38rem;
  animation: deslizaSuave 0.4s ease-out;
}

.resposta-diagnostico p {
  margin: 0;
  font-size: 1.05rem;
  color: color-mix(in srgb, var(--sombra) 90%, black);
}

/* ==========================================================================
   FECHO (RODAPÉ INVERTIDO)
   ========================================================================== */
.fecho {
  background: var(--sombra);
  color: var(--cal);
  padding: 10rem 0;
}

.fecho-conteudo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.fecho .assinatura-final {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  line-height: 1.3;
  color: var(--cal);
  margin: 0 0 5rem 0;
  max-width: 16ch;
}

.fecho .assinado {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2rem;
  font-weight: 700;
  color: color-mix(in srgb, var(--cal) 45%, transparent);
  margin: 0;
}

.fecho .assinado a {
  color: var(--luz);
  text-decoration: none;
  position: relative;
}

.fecho .assinado a::after {
  content: "";
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 1px;
  background: var(--luz);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.fecho .assinado a:hover::after {
  transform: scaleX(1);
}

/* ==========================================================================
   RESPONSIVIDADE E ACESSIBILIDADE
   ========================================================================== */
@keyframes deslizaSuave {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  body::before { border-width: 8px; }
  .heroi { padding: 4rem 2rem; min-height: 80vh; }
  .heroi::after { left: 0; opacity: 0.25; }
  .desce { left: 2rem; bottom: 3rem; }
  .seccao-editorial { padding: 6rem 0 4rem; }
  .seccao-diagnostico { padding: 2rem 0 6rem; }
  .fecho { padding: 6rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .autor-link span, .desce::after, .item-diagnostico summary::after, .resposta-diagnostico {
    transition: none !important;
    animation: none !important;
  }
  .autor-link:hover .nome-txt, .autor-link:hover .email-txt { transform: none; }
}