/* ============================================================
   RUNAS POVEIRAS — folha de estilos principal
   Identidade visual baseada no relatório "Marcas do Mar"
   Paleta: #eaeaea (papel) · #b05c42 (terracota) ·
           #293347 (azul escuro) · #282828 (tinta)
   Tipografia: Source Serif 4 (títulos) · Poppins (texto/legendas)
   ============================================================ */

/* ---------- Variáveis e base ---------- */
:root {
  --paper: #eaeaea;
  --paper-deep: #e3e2de;     /* variação subtil para cartões */
  --terracotta: #b05c42;
  --navy: #293347;
  --ink: #282828;
  --ink-soft: rgba(40, 40, 40, 0.66);
  --line: rgba(40, 40, 40, 0.28);
  --line-soft: rgba(40, 40, 40, 0.14);

  --font-display: "Source Serif 4", Georgia, serif;
  --font-body: "Poppins", "Helvetica Neue", Arial, sans-serif;

  --max-width: 1180px;
  --max-text: 64ch;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section-gap: clamp(4rem, 9vw, 8rem);
}

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  /* textura de papel muito subtil, como no relatório */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.045'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

a { color: inherit; }

::selection { background: var(--navy); color: var(--paper); }

/* Foco visível para navegação por teclado */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--terracotta);
  outline-offset: 3px;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ---------- Tipografia ---------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--navy);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.display {
  font-size: clamp(2.9rem, 8vw, 5.6rem);
}

.section-title {
  font-size: clamp(1.9rem, 4.4vw, 3rem);
  max-width: 18ch;
}

/* número de secção em terracota, como no relatório ("1.") */
.section-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--terracotta);
  margin-bottom: 0.35rem;
}
.section-num::after {
  content: "";
  display: block;
  width: 1.6rem;
  border-bottom: 2px solid var(--terracotta);
  margin-top: 0.2rem;
}

/* "eyebrow" — etiqueta pequena em maiúsculas */
.eyebrow {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--ink-soft);
}

.lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.8;
  max-width: var(--max-text);
}

p strong, p b { font-weight: 500; }

/* separador a tracejado — assinatura gráfica do relatório */
.dashed {
  border: none;
  border-top: 1.5px dashed var(--line);
  margin: 0;
}

/* ---------- Cabeçalho / navegação ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1.5px dashed var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
}
.brand svg { width: 26px; height: 26px; }
.brand-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--navy);
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 2.4vw, 1.9rem);
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-bottom: 0.2rem;
  border-bottom: 1.5px solid transparent;
  transition: color 0.25s, border-color 0.25s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active {
  color: var(--terracotta);
  border-bottom-color: var(--terracotta);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--paper);
    border-bottom: 1.5px dashed var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }
  .nav-links.open { max-height: 26rem; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 0.9rem var(--gutter);
    border-bottom: 1px solid var(--line-soft);
  }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- Hero (Home) ---------- */
.hero {
  padding-top: clamp(3rem, 8vw, 6.5rem);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-text .eyebrow { margin-bottom: 1.4rem; }
.hero-text .display { margin-bottom: 1.6rem; }
.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  max-width: 36ch;
  color: var(--ink);
}

/* sigla grande em azul escuro, eco da capa do relatório */
.hero-sigla {
  justify-self: center;
  width: min(100%, 360px);
  color: var(--navy);
}
.hero-sigla svg { width: 100%; height: auto; }
.hero-sigla img {
  width: 100%;
  height: auto;
  /* funde o fundo claro da imagem com o papel */
  mix-blend-mode: multiply;
}

/* bloco de coordenadas, como na capa */
.coords {
  margin-top: 2.2rem;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  line-height: 2;
}

@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-sigla { width: min(60%, 260px); justify-self: flex-start; order: -1; }
}

/* faixa de rodapé da capa (tracejado + colunas), reutilizada em várias páginas */
.cover-strip {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 1.1rem;
  border-top: 1.5px dashed var(--line);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  line-height: 1.9;
}
.cover-strip b { font-weight: 500; color: var(--ink); }

/* ---------- Secções genéricas ---------- */
.section { padding-top: var(--section-gap); padding-bottom: var(--section-gap); }
.section + .section { padding-top: 0; }

.section-head { margin-bottom: clamp(2rem, 4vw, 3.2rem); }

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.two-col.flip { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); }
@media (max-width: 820px) {
  .two-col, .two-col.flip { grid-template-columns: 1fr; }
}

.prose p + p { margin-top: 1.2rem; }
.prose { max-width: var(--max-text); }

/* ---------- Cartões dos três componentes ---------- */
.components {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.2rem, 2.5vw, 2rem);
}
@media (max-width: 820px) { .components { grid-template-columns: 1fr; } }

.component-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  background: var(--paper-deep);
  border: 1px solid var(--line-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.component-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(40, 40, 40, 0.12);
}
.component-card figure {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.component-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.component-card:hover img { transform: scale(1.04); }

.component-body { padding: 1.4rem 1.4rem 1.6rem; }
.component-body .eyebrow { color: var(--terracotta); }
.component-body h3 {
  font-size: 1.45rem;
  margin: 0.5rem 0 0.6rem;
}
.component-body p {
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.component-cta {
  margin-top: 1rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--navy);
}
.component-cta::after {
  content: " →";
  color: var(--terracotta);
}

/* ---------- Citações sobre o mar (interstícios) ---------- */
.quote-band {
  position: relative;
  min-height: clamp(20rem, 48vw, 30rem);
  display: grid;
  place-items: center;
  background-size: cover;
  background-position: center;
  text-align: center;
  padding: 4rem var(--gutter);
}
.quote-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(20, 26, 40, 0.45);
}
.quote-band blockquote {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.9rem);
  color: #f2f1ee;
  max-width: 26ch;
  line-height: 1.5;
}
.quote-band .waves {
  position: relative;
  margin-top: 1.2rem;
  color: var(--terracotta);
}

/* ---------- Botões ---------- */
.btn {
  display: inline-block;
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.85rem 1.6rem;
  border: 1.5px solid var(--navy);
  color: var(--navy);
  background: transparent;
  cursor: pointer;
  transition: background 0.25s, color 0.25s;
}
.btn:hover { background: var(--navy); color: var(--paper); }
.btn-solid { background: var(--navy); color: var(--paper); }
.btn-solid:hover { background: var(--terracotta); border-color: var(--terracotta); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 1.8rem; }

/* ---------- Galeria (Marcas do Mar) ---------- */
.gallery-block { margin-top: clamp(2.5rem, 6vw, 4.5rem); }

.gallery-block-head {
  display: flex;
  align-items: baseline;
  gap: 1.2rem;
  margin-bottom: 1.6rem;
}
.gallery-block-head h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  white-space: nowrap;
}
.gallery-block-head .rule {
  flex: 1;
  border-top: 1.5px dashed var(--line);
}
.gallery-block-head .count {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--terracotta);
}

.gallery-intro {
  max-width: 56ch;
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin-bottom: 1.8rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2vw, 1.6rem);
}
.gallery-grid.duo { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 820px) {
  .gallery-grid, .gallery-grid.duo { grid-template-columns: 1fr; }
}

.photo {
  background: none;
  border: none;
  padding: 0;
  cursor: zoom-in;
  text-align: left;
  font: inherit;
  color: inherit;
}
.photo figure { overflow: hidden; background: var(--paper-deep); }
.photo img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.photo.landscape img { aspect-ratio: 4 / 3; }
.photo:hover img { transform: scale(1.03); }

.photo figcaption {
  display: flex;
  gap: 0.7rem;
  padding-top: 0.7rem;
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--ink-soft);
}
.photo figcaption .fig {
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--terracotta);
  white-space: nowrap;
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  place-items: center;
  background: rgba(24, 28, 40, 0.93);
  padding: clamp(1rem, 4vw, 3rem);
}
.lightbox.open { display: grid; }
.lightbox img {
  max-width: 100%;
  max-height: 78vh;
  object-fit: contain;
}
.lightbox-caption {
  margin-top: 1rem;
  text-align: center;
  color: rgba(242, 241, 238, 0.85);
  font-size: 0.85rem;
  max-width: 60ch;
}
.lightbox-close {
  position: absolute;
  top: 1.2rem;
  right: 1.4rem;
  background: none;
  border: none;
  color: #f2f1ee;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}

/* ---------- Bloco metadados de câmara (eco do relatório) ---------- */
.meta-table {
  margin-top: 1.4rem;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  border-top: 1.5px dashed var(--line);
  padding-top: 0.9rem;
  max-width: 26rem;
}
.meta-table div {
  display: grid;
  grid-template-columns: 9.5rem 1fr;
  gap: 0.6rem;
  padding: 0.18rem 0;
}
.meta-table dt {
  font-weight: 500;
  text-transform: uppercase;
  color: var(--ink);
}
.meta-table dd { color: var(--ink-soft); }

/* ---------- Página do documentário ---------- */
.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--navy);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.video-placeholder {
  text-align: center;
  color: rgba(234, 234, 234, 0.85);
  padding: 2rem;
}
.video-placeholder .eyebrow { color: var(--terracotta); }
.video-placeholder p {
  margin-top: 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  max-width: 30ch;
}

/* ---------- Página do ensaio escrito ---------- */
.essay {
  max-width: 46rem;
  margin: 0 auto;
}
.essay h2 {
  font-size: clamp(1.55rem, 3.2vw, 2.1rem);
  margin: 3rem 0 1.1rem;
}
.essay h2:first-of-type { margin-top: 2.2rem; }
.essay blockquote {
  margin: 2.4rem 0;
  padding: 1.6rem 2rem;
  border-left: 3px solid var(--terracotta);
  background: var(--paper-deep);
  font-family: var(--font-display);
  font-size: 1.18rem;
  line-height: 1.6;
  color: var(--navy);
}
.essay .refs {
  font-size: 0.85rem;
  color: var(--ink-soft);
  word-break: break-word;
}
.essay .refs li { margin-bottom: 0.9rem; }
.essay .refs ul { list-style: none; }

/* ---------- Créditos ---------- */
.credits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 2.4rem;
  margin-top: 2.5rem;
}
.credits-grid h3 {
  font-size: 0.74rem;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 0.8rem;
}
.credits-grid p, .credits-grid li {
  font-size: 0.95rem;
  color: var(--ink);
}
.credits-grid ul { list-style: none; }
.credits-grid li { padding: 0.18rem 0; }

/* ---------- Rodapé (igual ao rodapé do relatório) ---------- */
.site-footer { margin-top: var(--section-gap); }
.site-footer .inner {
  border-top: 1.5px dashed var(--line);
  padding: 1.4rem 0 2.2rem;
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  line-height: 1.9;
}
.site-footer .accent {
  display: inline-block;
  width: 1.2rem;
  border-top: 2px solid var(--terracotta);
  margin-top: 0.4rem;
}
.site-footer .right { text-align: right; }

/* ---------- Animações de revelação ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

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