/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  --color-bg:        #f5f0e8;
  --color-bg-dark:   #252523;
  --color-text:      #1a1a18;
  --color-terras:    #0B6FB0;
  --color-atlantico: #0E86D4;
  --color-flash:     #F1C40F;

  --font-serif: 'Space Grotesk', system-ui, sans-serif;
  --font-sans:  'Inter', system-ui, sans-serif;

  --text-base: 18px;
  --line-height: 1.7;
  --measure: 68ch;

  --space-xs:  0.5rem;
  --space-s:   1rem;
  --space-m:   2rem;
  --space-l:   4rem;
  --space-xl:  8rem;
}

/* ── Base ────────────────────────────────────────────────── */
html:has(.page-home) {
  overscroll-behavior: none;
}
body {
  background: var(--color-bg);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--line-height);
  color: var(--color-text);
}
.page-home {
  overscroll-behavior: none;
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--line-height);
  min-height: 100vh;
}

/* ── Tipografia ──────────────────────────────────────────── */
h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
h1 { font-size: clamp(1.4rem, 3vw, 2.2rem); }
h2 { font-size: clamp(1.1rem, 2vw, 1.5rem); margin-bottom: var(--space-m); }
h3 { font-size: 1rem; }

p { margin-bottom: var(--space-s); }
p:last-child { margin-bottom: 0; }

a {
  color: var(--color-terras);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-terras);
  outline-offset: 3px;
}

em { font-style: italic; }

/* ── Layout de leitura ───────────────────────────────────── */
.page-main {
  margin-top: 0;
  padding-top: clamp(7rem, 15vw, 9rem);
}
.prose {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 var(--space-m) var(--space-l);
  font-family: var(--font-sans);
}
.prose h1 {
  margin-bottom: var(--space-m);
}

.page-list-title {
  margin-bottom: var(--space-l);
}

.projeto-image {
  width: 100%;
  height: auto;
  margin-bottom: var(--space-m);
}

.projeto-link {
  margin-top: var(--space-m);
}

/* ── Canvas Tout-Monde ───────────────────────────────────── */
#canvas-container {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.6s ease;
  background: var(--color-bg);
}
#canvas-container canvas {
  pointer-events: all;
  display: block;
}
/* páginas internas: rede muito discreta por baixo do conteúdo */
body:not(.page-home) #canvas-container {
  opacity: 0.09;
  pointer-events: none;
}
body:not(.page-home) #canvas-container canvas {
  pointer-events: none;
}
/* página de leitura: sem animação */
.no-canvas #canvas-container {
  display: none;
}

/* ── Site content (abaixo do hero) ──────────────────────── */
#site-content {
  position: relative;
  z-index: 1;
  background: transparent;
}
.page-home #site-content {
  margin-top: 100vh;
}

/* ── Scroll hint ─────────────────────────────────────────── */
.scroll-hint {
  position: fixed;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: opacity 0.5s ease;
  pointer-events: none;
}
.scroll-hint.hidden { opacity: 0; }
.scroll-hint::before {
  content: '';
  width: 1px; height: 40px;
  background: rgba(245, 240, 232, 0.5);
  animation: pulse-scroll 2s ease-in-out infinite;
}
.scroll-hint::after {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(245, 240, 232, 0.4);
  animation: pulse-scroll 2s ease-in-out infinite 0.3s;
}
@keyframes pulse-scroll {
  0%, 100% { opacity: 0.2; }
  50%       { opacity: 0.8; }
}

/* ── Navegação ───────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-s) var(--space-m);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  transition: color 0.4s ease, background 0.4s ease;
  color: var(--color-text);
  background: linear-gradient(to bottom, var(--color-bg) 60%, transparent);
}
.page-home .site-nav {
  color: rgba(245, 240, 232, 0.75);
  background: transparent;
}
.site-nav.over-content {
  color: var(--color-text);
}
.site-nav a {
  color: inherit;
  text-decoration: none;
}
.site-nav a:hover { color: var(--color-terras); }
.nav-links { display: flex; gap: var(--space-m); list-style: none; }
.nav-lang { display: flex; gap: var(--space-xs); }
.nav-lang a { opacity: 0.5; }
.nav-lang a.active { opacity: 1; color: var(--color-terras); }

/* Mobile nav */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 1.2rem;
  color: inherit;
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #f5f0e8;
    color: var(--color-text);
    padding: var(--space-s) var(--space-m);
    gap: var(--space-s);
    box-shadow: 0 4px 12px rgba(26, 26, 24, 0.08);
  }
  .page-home .nav-links.open {
    background: rgba(37, 37, 35, 0.78);
    color: rgba(245, 240, 232, 0.9);
    transition: background 0.4s ease, color 0.4s ease;
  }
  .page-home .site-nav.over-content .nav-links.open {
    background: rgba(245, 240, 232, 0.82);
    color: var(--color-text);
  }
  .nav-hamburger { display: block; }
}

/* ── Páginas interiores ──────────────────────────────────── */
.page-meta {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  opacity: 0.5;
  margin-bottom: var(--space-m);
}

/* ── Listagem Pensamentos ────────────────────────────────── */
.pensamentos-list {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 var(--space-m);
}
.pensamento-item { margin-bottom: var(--space-l); }
.pensamento-item--fragmento {
  font-style: italic;
  opacity: 0.85;
  border-left: 2px solid var(--color-terras);
  padding-left: var(--space-s);
}
.pensamento-item__title {
  font-size: 1.3rem;
  margin-bottom: var(--space-xs);
  font-family: var(--font-serif);
}
.pensamento-item__title a,
.projeto-item__title a {
  display: inline-block;
  transition: transform 0.25s ease;
}
.pensamento-item__title a:hover,
.projeto-item__title a:hover {
  text-decoration: none;
  transform: translateX(4px);
}
.pensamento-item__excerpt { opacity: 0.7; font-family: var(--font-sans); }
.pensamento-item__date {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  opacity: 0.4;
  margin-top: var(--space-xs);
}

/* ── Listagem Projetos ───────────────────────────────────── */
.projetos-list {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 var(--space-m);
}
.projeto-item { margin-bottom: var(--space-m); font-family: var(--font-sans); }
.projeto-item__title { font-size: 1.3rem; margin-bottom: var(--space-xs); font-family: var(--font-serif); }
.projeto-item img {
  width: 100%;
  height: auto;
  margin-top: var(--space-s);
}

/* ── Redes sociais ───────────────────────────────────────── */
.social-list {
  list-style: none;
  margin-top: var(--space-m);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.social-list a {
  color: var(--color-terras);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  text-transform: lowercase;
}

/* ── Sobre ───────────────────────────────────────────────── */
.sobre-photo {
  width: 100%;
  max-width: 480px;
  height: auto;
  display: block;
  margin-bottom: var(--space-l);
}

/* ── Contacto ────────────────────────────────────────────── */
.contacto-content {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 var(--space-m);
}

/* ── Hero phrase ─────────────────────────────────────────── */
.hero-phrase {
  animation: phrase-fade 1.2s ease 0.8s backwards;
  position: fixed;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  text-align: center;
  color: rgba(245, 240, 232, 0.75);
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-style: italic;
  pointer-events: none;
  width: 90%;
  max-width: 40ch;
}

/* ── Home ────────────────────────────────────────────────── */
.home-spacer {
  height: 200vh;
}
.home-intro {
  position: fixed;
  bottom: var(--space-l);
  left: var(--space-m);
  right: var(--space-m);
  z-index: 2;
  pointer-events: none;
  color: rgba(245, 240, 232, 0.9);
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-between;
  animation: intro-rise 1s ease 0.3s backwards;
}
@keyframes intro-rise {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}
.home-intro__name {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 400;
  line-height: 1;
  margin: 0;
}
.home-intro__desc {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  text-transform: lowercase;
  margin: 0;
}

@keyframes phrase-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.mobile-br { display: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .home-intro,
  .hero-phrase { animation: none; }
  .scroll-hint::before,
  .scroll-hint::after { animation: none; opacity: 0.5; }
  .pensamento-item__title a:hover,
  .projeto-item__title a:hover { transform: none; }
}

@media (max-width: 600px) {
  .mobile-br { display: inline; }
  :root {
    --text-base: 16px;
    --line-height: 1.55;
  }
  .site-nav {
    padding-left: var(--space-s);
  }
  .nav-hamburger {
    font-size: 1.5rem;
  }
  .home-intro {
    align-items: flex-end;
    justify-content: flex-start;
    gap: 1.5rem;
    left: var(--space-s);
    right: auto;
  }
  .home-intro__name {
    width: min-content;
  }
}