/* =============================================================
   Les Œuvres d'Ambroise Paré · 1585
   Mobile-first. Client-side only. Apple-inspired motion.
   Mesma linguagem visual de instrumentos.amato.io
   ============================================================= */

:root {
  --bg: #0a0906;
  --bg-2: #110e08;
  --bg-3: #1a160e;
  --ink: #e9e2d2;
  --ink-dim: #b8ad95;
  --ink-faint: #6f6853;
  --rule: rgba(201, 168, 103, 0.18);

  --bronze: #c9a867;
  --bronze-2: #e0c07a;
  --bronze-deep: #8a6a2b;
  --patina: #3a5a52;

  --serif: "Cormorant Garamond", "Times New Roman", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-apple: cubic-bezier(0.22, 1, 0.36, 1);

  --pad: clamp(1.25rem, 5vw, 3rem);
  --maxw: 68ch;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  letter-spacing: 0.005em;
}

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

a { color: inherit; text-decoration: none; }

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 1000;
  padding: 0.75rem 1.25rem;
  background: var(--bronze);
  color: #181308;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: top 0.3s var(--ease-apple);
}
.skip-link:focus { top: 1rem; outline: 2px solid var(--bronze-2); outline-offset: 2px; }

/* ---------- BG CANVAS (Three.js) ---------- */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.92;
  transition: opacity 0.8s var(--ease-apple);
}
body.no-webgl #bg-canvas { display: none; }

/* Film grain overlay for tactile feel */
.grain {
  position: fixed; inset: 0; z-index: 1;
  pointer-events: none;
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.9  0 0 0 0 0.8  0 0 0 0 0.6  0 0 0 0.7 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

main { position: relative; z-index: 2; }

/* ---------- NAV ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 20;
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  background: linear-gradient(to bottom, rgba(10,9,6,0.6), rgba(10,9,6,0.0));
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease-apple), border-color 0.4s var(--ease-apple);
}
.nav.is-scrolled {
  background: rgba(10, 9, 6, 0.72);
  border-bottom-color: var(--rule);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.9rem var(--pad);
  max-width: 1400px; margin: 0 auto;
}
.nav-brand { display: inline-flex; align-items: baseline; gap: 0.6rem; }
.nav-mark {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  color: var(--bronze-2);
  font-size: 1.2rem;
}
.nav-title {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.nav-links { display: none; gap: 1.8rem; }
.nav-links a {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  transition: color 0.3s var(--ease-apple);
}
.nav-links a:hover { color: var(--bronze-2); }

.scroll-progress {
  position: absolute; left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: transparent;
}
.scroll-progress i {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--bronze-deep), var(--bronze-2));
}

@media (min-width: 760px) {
  .nav-links { display: flex; }
}

/* ---------- REVEAL ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.9s var(--ease-apple) var(--delay, 0ms),
    transform 0.9s var(--ease-apple) var(--delay, 0ms);
  will-change: opacity, transform;
}
[data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 7rem var(--pad) 4rem;
}
.hero-inner {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  text-align: center;
}
.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 1.6rem;
}
.hero-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.9rem, 9.5vw, 6.4rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.hero-title .line { display: block; }
.hero-title .italic {
  font-style: italic;
  font-weight: 300;
  color: var(--bronze-2);
}
.hero-sub {
  margin-top: 1.7rem;
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  font-weight: 300;
  font-style: italic;
  color: var(--ink-dim);
  max-width: 34ch;
  margin-left: auto;
  margin-right: auto;
}
.hero-meta {
  margin-top: 2.4rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.hero-meta .dot { color: var(--bronze-deep); }

.scroll-cue {
  margin-top: 4rem;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink-faint);
}
.scroll-cue span {
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}
.scroll-cue i {
  width: 1px; height: 44px;
  background: linear-gradient(to bottom, var(--bronze), transparent);
  display: block;
  animation: cue 2.6s var(--ease-apple) infinite;
  transform-origin: top;
}
@keyframes cue {
  0%   { transform: scaleY(0); opacity: 0; }
  35%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1) translateY(16px); opacity: 0; }
}

@media (min-width: 1024px) {
  .hero-inner { text-align: left; max-width: 46rem; margin-left: 7vw; }
  .hero-sub { margin-left: 0; margin-right: 0; }
  .hero-meta { justify-content: flex-start; }
  .scroll-cue { margin-left: 0; }
}

/* ---------- PROSE ---------- */
.prose {
  padding: clamp(4.5rem, 10vw, 8rem) var(--pad);
  position: relative;
}
.prose-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}
.prose p {
  font-size: clamp(1.02rem, 1.4vw, 1.13rem);
  line-height: 1.85;
  color: var(--ink-dim);
  margin-bottom: 1.6em;
  font-weight: 300;
}
.prose p strong { color: var(--ink); font-weight: 500; }
.prose p em { color: var(--ink); }
.prose p.large {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1.4;
  color: var(--ink);
  font-weight: 300;
}

.dropcap::first-letter {
  font-family: var(--serif);
  font-size: 4.6em;
  float: left;
  line-height: 0.78;
  padding: 0.06em 0.12em 0 0;
  color: var(--bronze-2);
  font-weight: 400;
}

/* ---------- CHAPTER HEADS ---------- */
.chapter-head {
  margin-bottom: 2.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.chapter-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--bronze);
  letter-spacing: 0.2em;
}
.chapter-num::after {
  content: "";
  display: block;
  width: 44px;
  height: 1px;
  background: var(--rule);
  margin-top: 0.8rem;
}
.chapter-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
}

/* ---------- SHOWCASE (frontispício emoldurado) ---------- */
.showcase {
  padding: clamp(3rem, 8vw, 6rem) var(--pad);
}
.showcase-book .showcase-figure {
  max-width: 780px;
  margin: 0 auto;
}
.showcase-img-wrap {
  overflow: hidden;
  border: 1px solid var(--rule);
  background: var(--bg-2);
  padding: clamp(0.8rem, 2.5vw, 1.6rem);
  box-shadow:
    0 40px 90px -30px rgba(0, 0, 0, 0.85),
    inset 0 0 60px rgba(0, 0, 0, 0.35);
}
.showcase-img {
  width: 100%;
  transform: translateY(var(--py, 0px)) scale(1.06);
  transition: transform 0.15s linear;
  filter: sepia(0.08) contrast(1.02);
}
.showcase-caption {
  margin-top: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  text-align: center;
}
.caption-kicker {
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--bronze);
}
.caption-text {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--ink-dim);
}

/* ---------- PULL QUOTE ---------- */
.pullquote {
  padding: clamp(5rem, 12vw, 9rem) var(--pad);
  background:
    radial-gradient(60% 50% at 50% 50%, rgba(201, 168, 103, 0.07), transparent 70%);
}
.pullquote-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.pullquote-inner p {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.8rem, 4.6vw, 3.1rem);
  line-height: 1.25;
  color: var(--ink);
}
.pullquote-inner p em { font-style: italic; color: var(--bronze-2); }
.pullquote-inner p span { color: var(--bronze-deep); }
.pullquote-cite {
  display: block;
  margin-top: 1.8rem;
  font-style: normal;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---------- FACTS (curiosidades) ---------- */
.facts {
  padding: 0 var(--pad) clamp(4rem, 8vw, 7rem);
}
.fact-list {
  list-style: none;
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  counter-reset: fact;
}
.fact {
  position: relative;
  border: 1px solid var(--rule);
  background: linear-gradient(160deg, rgba(26, 22, 14, 0.75), rgba(17, 14, 8, 0.55));
  padding: 1.9rem 1.7rem 1.7rem;
  transition:
    border-color 0.5s var(--ease-apple),
    transform 0.5s var(--ease-apple);
  transform:
    perspective(900px)
    rotateX(var(--rx, 0deg))
    rotateY(var(--ry, 0deg));
}
.fact::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(
    320px circle at var(--mx, 50%) var(--my, 50%),
    rgba(224, 192, 122, 0.09),
    transparent 65%
  );
  opacity: 0;
  transition: opacity 0.5s var(--ease-apple);
  pointer-events: none;
}
.fact:hover { border-color: rgba(201, 168, 103, 0.42); }
.fact:hover::after { opacity: 1; }
.fact-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--bronze);
  letter-spacing: 0.12em;
}
.fact-name {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.42rem;
  line-height: 1.2;
  color: var(--ink);
  margin: 0.7rem 0 0.75rem;
}
.fact-name em { font-style: italic; color: var(--bronze-2); }
.fact-desc {
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--ink-dim);
  font-weight: 300;
}
.fact-desc em { color: var(--ink); }

@media (min-width: 700px) {
  .fact-list { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1100px) {
  .fact-list { grid-template-columns: 1fr 1fr 1fr; }
}

/* ---------- GALLERY ---------- */
.gallery {
  padding: 0 var(--pad) clamp(4rem, 8vw, 7rem);
}
.gallery-grid {
  list-style: none;
  max-width: 1180px;
  margin: 0 auto;
  columns: 1;
  column-gap: 1.1rem;
}
.gallery-item {
  break-inside: avoid;
  margin-bottom: 1.1rem;
}
.gallery-btn {
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid var(--rule);
  background: var(--bg-2);
  cursor: zoom-in;
  text-align: left;
  overflow: hidden;
  position: relative;
  transition: border-color 0.5s var(--ease-apple);
}
.gallery-btn img {
  width: 100%;
  filter: sepia(0.08) contrast(1.02);
  transform: scale(1.001);
  transition: transform 1.1s var(--ease-apple), filter 0.6s var(--ease-apple);
}
.gallery-btn:hover { border-color: rgba(201, 168, 103, 0.5); }
.gallery-btn:hover img { transform: scale(1.035); filter: sepia(0.04) contrast(1.05); }
.gallery-btn:focus-visible { outline: 2px solid var(--bronze-2); outline-offset: 3px; }
.gallery-cap {
  display: block;
  padding: 0.85rem 1rem 0.95rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.02rem;
  color: var(--ink-dim);
  border-top: 1px solid var(--rule);
  background: rgba(17, 14, 8, 0.6);
}

@media (min-width: 640px) { .gallery-grid { columns: 2; } }
@media (min-width: 1024px) { .gallery-grid { columns: 3; } }

/* ---------- LIGHTBOX ---------- */
#lb {
  position: fixed; inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(8, 7, 4, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-apple);
  padding: clamp(0.75rem, 3vw, 2.5rem);
}
#lb.open { opacity: 1; pointer-events: auto; }
#lb-fig {
  max-width: min(92vw, 900px);
  max-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
}
#lb-img {
  max-width: 100%;
  max-height: 78vh;
  object-fit: contain;
  border: 1px solid var(--rule);
  background: var(--bg-2);
  box-shadow: 0 50px 120px -20px rgba(0, 0, 0, 0.9);
  transform: scale(0.96);
  transition: transform 0.45s var(--ease-apple);
}
#lb.open #lb-img { transform: scale(1); }
#lb-cap {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--ink-dim);
  text-align: center;
  max-width: 60ch;
}
#lb-close, #lb-prev, #lb-next {
  border: 1px solid var(--rule);
  background: rgba(26, 22, 14, 0.7);
  color: var(--ink);
  width: 46px; height: 46px;
  border-radius: 50%;
  font-size: 1.15rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s, color 0.3s, transform 0.3s var(--ease-apple);
  flex: none;
}
#lb-close:hover, #lb-prev:hover, #lb-next:hover {
  border-color: var(--bronze);
  color: var(--bronze-2);
}
#lb-close { position: absolute; top: 1.1rem; right: 1.1rem; }
#lb-prev, #lb-next { font-size: 1.5rem; }
@media (max-width: 640px) {
  #lb { flex-wrap: wrap; }
  #lb-prev { order: 2; }
  #lb-next { order: 3; }
  #lb-fig { order: 1; width: 100%; }
}

/* ---------- EDITION STATS ---------- */
.edition-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.8rem 1rem;
  margin: 3rem 0 3.2rem;
  padding: 2.2rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.edition-stats li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  text-align: center;
}
.edition-stats b {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.1rem, 5vw, 3rem);
  color: var(--bronze-2);
  line-height: 1;
}
.edition-stats span {
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  max-width: 18ch;
}
@media (min-width: 760px) {
  .edition-stats { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- BOOK NOTE (propaganda sutil) ---------- */
.booknote {
  padding: 0 var(--pad) clamp(4rem, 8vw, 6rem);
}
.booknote-inner {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: clamp(1.4rem, 4vw, 2.4rem);
  border: 1px solid var(--rule);
  background: linear-gradient(160deg, rgba(26, 22, 14, 0.7), rgba(17, 14, 8, 0.5));
  padding: clamp(1.4rem, 4vw, 2.2rem);
}
.booknote-cover {
  flex: none;
  width: clamp(96px, 18vw, 132px);
  transition: transform 0.6s var(--ease-apple);
}
.booknote-cover img {
  border: 1px solid var(--rule);
  box-shadow: 0 22px 45px -14px rgba(0, 0, 0, 0.8);
}
.booknote-cover:hover { transform: translateY(-5px) rotate(-1.2deg); }
.booknote-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 0.7rem;
}
.booknote-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.45rem, 3.4vw, 1.9rem);
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 0.8rem;
}
.booknote-text {
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--ink-dim);
  font-weight: 300;
  margin-bottom: 1.1rem;
}
.booknote-text em { color: var(--ink); }
.booknote-link {
  font-size: 0.86rem;
  color: var(--bronze);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2px;
  transition: color 0.3s, border-color 0.3s;
}
.booknote-link:hover { color: var(--bronze-2); border-color: var(--bronze); }

@media (max-width: 560px) {
  .booknote-inner { flex-direction: column; text-align: center; }
}

/* ---------- FINALE ---------- */
.finale {
  padding: clamp(7rem, 16vw, 12rem) var(--pad);
  text-align: center;
  background:
    radial-gradient(55% 45% at 50% 55%, rgba(201, 168, 103, 0.08), transparent 72%);
}
.finale-line {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.2rem, 6.5vw, 4.4rem);
  line-height: 1.16;
  color: var(--ink);
}
.finale-line.italic { font-style: italic; color: var(--bronze-2); }
.finale-line.small {
  font-size: clamp(1.05rem, 2.4vw, 1.4rem);
  color: var(--ink-faint);
  font-style: italic;
  margin-top: 1.6rem;
}

/* ---------- SIGNATURE ---------- */
.signature {
  padding: 3.2rem var(--pad) 2.6rem;
  border-top: 1px solid var(--rule);
  text-align: center;
  background: var(--bg-2);
}
.sig-name {
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 500;
  color: var(--ink);
}
.sig-sub {
  margin-top: 0.4rem;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.sig-links { margin-top: 1.6rem; }
.sig-links a {
  font-size: 0.88rem;
  color: var(--bronze);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2px;
  transition: color 0.3s, border-color 0.3s;
}
.sig-links a:hover { color: var(--bronze-2); border-color: var(--bronze); }
.sig-legal {
  margin-top: 2rem;
  font-size: 0.74rem;
  color: var(--ink-faint);
  letter-spacing: 0.05em;
}

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .scroll-cue i { animation: none; }
  .showcase-img { transform: none; }
  .fact { transform: none; }
}