/* ============================================================
   Tati Dani — Talho Ideal · versão temporária (só apresentação)
   Dois materiais: a ardósia do talho (tinta) e o papel de embrulho.
   Cores da marca: vermelho #c23026 · verde #418338 · tinta #111213
   ============================================================ */

:root {
  --ink: #111213;
  --ink-2: #1a1c1e;
  --chalk: #f4f1ea;
  --chalk-dim: rgba(244, 241, 234, 0.68);
  --paper: #efe8dc;
  --paper-2: #e6dccb;
  --paper-card: #faf6ee;
  --red: #c23026;
  --red-deep: #93231b;
  --green: #418338;
  --green-deep: #2f6128;
  --line-ink: rgba(17, 18, 19, 0.16);
  --line-chalk: rgba(244, 241, 234, 0.16);
  --font-display: "Cinzel", "Times New Roman", serif;
  --font-body: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  --maxw: 1120px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--ink);
}

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

a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 3px;
  border-radius: 2px;
}

section { scroll-margin-top: 92px; }

/* ---------- textura de ardósia (giz esbatido) ---------- */
.board {
  background-color: var(--ink);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  color: var(--chalk);
}

.paper { background: var(--paper); color: var(--ink); }

/* ---------- cabeçalho ---------- */
/* fixo sobre a página: transparente no topo, sólido a partir do scroll */
.top-chrome {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
}

.site-header {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 18px clamp(16px, 4vw, 44px);
  background: transparent;
  border-bottom: 1px solid transparent;
  color: var(--chalk);
  transition: background 0.25s ease, border-color 0.25s ease,
    box-shadow 0.25s ease, padding 0.25s ease;
}

.top-chrome.is-scrolled .site-header {
  padding-top: 10px;
  padding-bottom: 10px;
  background: rgba(17, 18, 19, 0.92);
  backdrop-filter: blur(8px);
  border-bottom-color: var(--line-chalk);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
}

.brand img { width: 190px; height: auto; transition: width 0.25s ease; }

.top-chrome.is-scrolled .brand img { width: 154px; }

.site-nav {
  display: flex;
  gap: clamp(12px, 2.4vw, 30px);
  margin-left: auto;
}

.site-nav a {
  color: var(--chalk-dim);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.86rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.18s, border-color 0.18s;
}

.site-nav a:hover { color: #fff; border-bottom-color: var(--red); }

/* secção atual, atualizada durante o scroll */
.site-nav a.is-current { color: #fff; border-bottom-color: var(--red); }

/* botão de menu (só em ecrãs estreitos): três linhas que viram um X */
.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px;
  height: 44px;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--chalk);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- botões ---------- */
.btn {
  display: inline-block;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 14px 26px;
  border-radius: 4px;
  border: 2px solid transparent;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
  cursor: pointer;
}

.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-deep); }

.btn-ghost { border-color: var(--line-chalk); color: var(--chalk); }
.btn-ghost:hover { border-color: var(--chalk); }

/* ---------- tipografia de secção ---------- */
.eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 14px;
}

.eyebrow-chalk { color: var(--green); }
.board .eyebrow-chalk { color: #7fb676; }

h1, h2 { font-family: var(--font-display); font-weight: 700; line-height: 1.12; }

h1 { font-size: clamp(2.3rem, 5.4vw, 4rem); letter-spacing: 0.015em; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); letter-spacing: 0.02em; }

.section-head {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 44px);
  text-align: center;
}

.title-chalk { color: var(--chalk); }

/* ---------- hero ---------- */
.hero { border-bottom: 1px solid var(--line-chalk); }

.hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  /* espaço extra no topo: o menu fixo fica por cima */
  padding: clamp(130px, 15vw, 190px) clamp(16px, 4vw, 44px) clamp(64px, 9vw, 110px);
  text-align: center;
}

.hero-copy h1 { color: var(--chalk); margin-bottom: 22px; }

.lede {
  font-size: 1.06rem;
  color: var(--chalk-dim);
  max-width: 480px;
  margin: 0 auto 32px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ---------- sobre ---------- */
.sobre { padding: clamp(56px, 8vw, 100px) 0; }

.sobre-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 44px);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}

.sobre-copy h2 { margin-bottom: 20px; }
.sobre-copy p:not(.eyebrow) { max-width: 520px; margin-bottom: 16px; color: rgba(17, 18, 19, 0.8); }

.sobre-logo { display: flex; justify-content: center; }
.sobre-logo img { width: min(280px, 76%); }

/* ---------- contactos ---------- */
.contactos {
  padding: clamp(56px, 8vw, 96px) 0 clamp(48px, 7vw, 80px);
}

.contact-grid {
  max-width: var(--maxw);
  margin: 42px auto 0;
  padding: 0 clamp(16px, 4vw, 44px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.contact-item {
  border: 1px solid var(--line-chalk);
  border-radius: 6px;
  padding: 26px;
}

.contact-item h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--chalk);
  margin-bottom: 12px;
}

.contact-item p { color: var(--chalk-dim); font-size: 0.94rem; margin-bottom: 12px; }

.contact-link {
  color: #7fb676;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
}

.contact-link:hover { color: #a4d19b; text-decoration: underline; }

.contact-item .contact-note {
  font-size: 0.72rem;
  color: rgba(244, 241, 234, 0.4);
  margin-top: 6px;
  margin-bottom: 0;
}

/* ---------- rodapé ---------- */
.site-footer {
  background: #0b0c0d;
  color: rgba(244, 241, 234, 0.55);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 48px 20px 40px;
  font-size: 0.82rem;
  text-align: center;
}

.site-footer img { width: 170px; opacity: 0.9; }

/* ---------- responsivo ---------- */
@media (max-width: 900px) {
  .site-header { position: relative; }
  .nav-toggle { display: flex; }

  /* menu em lista, debaixo do cabeçalho; abre com o botão */
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 6px 0 10px;
    background: rgba(17, 18, 19, 0.96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line-chalk);
  }

  .site-nav.is-open { display: flex; }

  .site-nav a {
    padding: 14px clamp(16px, 4vw, 44px);
    border-bottom: 0;
    border-left: 3px solid transparent;
  }

  .site-nav a:hover,
  .site-nav a.is-current { border-left-color: var(--red); }

  /* com o menu aberto o cabeçalho fica sólido, mesmo no topo da página */
  .top-chrome.is-open .site-header {
    background: rgba(17, 18, 19, 0.96);
    border-bottom-color: var(--line-chalk);
  }

  .sobre-inner { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .brand img { width: 160px; }
}

/* título do hero: em ecrãs muito estreitos "Do pasto ao prato," tem de caber numa linha */
@media (max-width: 460px) {
  h1 { font-size: 1.85rem; }
}