/* =====================================================================
   BASE — reset, tipografia, atmosfera, header/menu/footer, componentes
   e a BIBLIOTECA DE REVEALS. Só consome tokens (tokens.css).
   ===================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 96px; overflow-x: clip; } /* clip (não hidden): não quebra position: sticky */
html.js-smooth { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-ink-1);
  color: var(--text-1);
  font: 400 var(--fs-body) / var(--lh-body) var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img, svg, canvas { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2 { font-family: var(--font-display); font-weight: 300; line-height: var(--lh-title); letter-spacing: -0.02em; text-wrap: balance; }
h2 { font-size: var(--fs-h2); }
h3, h4 { font-family: var(--font-ui); font-weight: 600; letter-spacing: -0.01em; }
p { text-wrap: pretty; }
em { font-style: italic; }
h1 em, h2 em {
  font-weight: 400;
  background: var(--accent-gradient);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
  padding-right: 0.06em; /* itálico não corta na máscara do gradiente */
}
::selection { background: rgba(201, 147, 102, 0.45); color: var(--text-1); }
:focus-visible { outline: 2px solid var(--color-copper-200); outline-offset: 3px; border-radius: var(--radius-xs); }
main { position: relative; z-index: var(--z-base); outline: none; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link {
  position: fixed; left: var(--space-4); top: -60px; z-index: calc(var(--z-intro) + 1);
  padding: var(--space-3) var(--space-5); border-radius: var(--radius-pill);
  background: var(--color-copper-200); color: var(--text-inverse); font: 700 var(--fs-small) var(--font-ui); text-decoration: none;
  transition: top var(--duration-fast) var(--ease-out);
}
.skip-link:focus { top: var(--space-4); }

/* ---------- LABEL (eyebrow) ----------------------------------------- */
.label {
  display: inline-flex; align-items: center; gap: var(--space-3);
  font: 600 var(--fs-label) / 1 var(--font-ui); letter-spacing: var(--tracking-label); text-transform: uppercase;
  color: var(--accent-1);
}
.label__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-1); box-shadow: 0 0 12px 2px rgba(233, 198, 161, 0.6); }

/* ---------- ATMOSFERA (luz contínua por trás de TODAS as cenas) ------ */
.atmos { position: fixed; inset: 0; z-index: var(--z-background); pointer-events: none; }
.atmos__fallback {
  position: absolute; inset: 0;
  background:
    radial-gradient(60vw 50vh at var(--mood-x, 72%) var(--mood-y, 22%), rgba(201, 147, 102, calc(0.13 * var(--mood-i, 1))), transparent 70%),
    radial-gradient(50vw 60vh at 12% 90%, rgba(169, 111, 121, calc(0.06 * var(--mood-i, 1))), transparent 70%),
    var(--color-ink-1);
  transition: background var(--duration-slow) var(--ease-in-out);
}
.atmos__light { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity var(--duration-cinema) var(--ease-cinema); }
.atmos__light.is-on { opacity: 1; }
.atmos__grain {
  position: absolute; inset: -50%;
  opacity: var(--grain-opacity);
  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='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* FIO DE LUZ — ponte visual contínua: desce pela página inteira e acende
   conforme a leitura avança (--scroll vem do motion engine). */
.thread { position: fixed; left: max(14px, calc((100vw - var(--container-max)) / 2 - 36px)); top: 0; bottom: 0; width: 1px; z-index: var(--z-raised); pointer-events: none; }
.thread__line { position: absolute; inset: 0; background: linear-gradient(to bottom, transparent, var(--border-2) 12%, var(--border-2) 88%, transparent); }
.thread__line::after {
  content: ''; position: absolute; left: 0; top: 0; width: 1px; height: 100%;
  background: linear-gradient(to bottom, var(--color-copper-200), var(--color-copper-600));
  transform-origin: top; transform: scaleY(var(--scroll, 0));
}
.thread__spark {
  position: absolute; left: -3px; top: 0; width: 7px; height: 7px; border-radius: 50%;
  transform: translate3d(0, calc(var(--scroll, 0) * (100vh - 7px)), 0); /* transform, não top: sem layout por frame */
  background: var(--color-copper-50); box-shadow: 0 0 16px 4px rgba(233, 198, 161, 0.7);
}
.scroll-progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: calc(var(--z-header) + 1); pointer-events: none; }
.scroll-progress span { display: block; height: 100%; background: var(--accent-gradient); transform-origin: left; transform: scaleX(var(--scroll, 0)); }

/* ---------- BOTÕES (físicos: luz que varre, profundidade, mola) ------ */
.btn {
  --mx: 0px; --my: 0px;
  position: relative; isolation: isolate; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-3);
  min-height: 48px; padding: 0 var(--space-6);
  border: 0; border-radius: var(--radius-pill);
  font: 700 0.8rem / 1 var(--font-ui); letter-spacing: 0.14em; text-transform: uppercase; text-decoration: none;
  cursor: pointer;
  transform: translate3d(var(--mx), var(--my), 0);
  transition: transform var(--duration-base) var(--ease-spring), box-shadow var(--duration-base) var(--ease-out), background-color var(--duration-fast);
  -webkit-tap-highlight-color: transparent;
}
.btn::after { /* light sweep */
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(105deg, transparent 30%, rgba(255, 255, 255, 0.45) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0s;
}
.btn:hover::after { transform: translateX(120%); transition: transform var(--duration-slow) var(--ease-out); }
.btn:active { transform: translate3d(var(--mx), var(--my), 0) scale(0.96); transition-duration: var(--duration-instant); }
.btn__label { position: relative; }
.btn__arrow { display: inline-block; transition: transform var(--duration-base) var(--ease-spring); }
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn--primary {
  color: var(--text-inverse);
  background: var(--accent-gradient);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.4) inset, 0 -2px 0 rgba(90, 54, 34, 0.35) inset, 0 14px 34px -14px rgba(201, 147, 102, 0.75);
}
.btn--primary:hover { box-shadow: 0 1px 0 rgba(255, 255, 255, 0.5) inset, 0 -2px 0 rgba(90, 54, 34, 0.35) inset, 0 22px 50px -16px rgba(233, 165, 110, 0.95); }
.btn--ghost { color: var(--text-1); background: var(--surface-1); box-shadow: 0 0 0 1px var(--border-2) inset; backdrop-filter: blur(10px); }
.btn--ghost:hover { background: var(--surface-2); box-shadow: 0 0 0 1px var(--border-3) inset; }
.btn--light { color: var(--text-inverse); background: var(--color-cream); box-shadow: 0 30px 80px -24px rgba(233, 165, 110, 0.9); }
.btn--sm { min-height: 42px; padding: 0 var(--space-5); font-size: 0.72rem; }
.btn--lg { min-height: 58px; padding: 0 var(--space-7); }
.btn--xl { min-height: 68px; padding: 0 var(--space-8); font-size: 0.86rem; }
.btn--block { width: 100%; padding-inline: var(--space-5); } /* largura já é do contêiner: padding menor evita quebrar o rótulo */

/* Link com sublinhado que "desenha" da esquerda. */
.link-u {
  position: relative; color: var(--text-2); text-decoration: none;
  background: linear-gradient(currentColor, currentColor) 0 100% / 0% 1px no-repeat;
  transition: color var(--duration-fast), background-size var(--duration-base) var(--ease-out);
}
.link-u:hover, .link-u:focus-visible { color: var(--text-1); background-size: 100% 1px; }

/* ---------- HEADER --------------------------------------------------- */
.hdr {
  position: fixed; inset: 0 0 auto; z-index: var(--z-header);
  padding-top: env(safe-area-inset-top);
  transition: background-color var(--duration-base) var(--ease-out), box-shadow var(--duration-base), backdrop-filter var(--duration-base);
}
.hdr__inner {
  width: var(--container); margin-inline: auto;
  display: flex; align-items: center; gap: var(--space-6);
  height: 92px; transition: height var(--duration-base) var(--ease-out);
}
.hdr__brand { flex: none; display: block; }
.hdr__brand img { height: 52px; width: auto; transition: height var(--duration-base) var(--ease-out); filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.5)); }
.hdr__nav { display: flex; gap: var(--space-6); margin-left: auto; font: 500 var(--fs-small) var(--font-body); }
.hdr__actions { display: flex; align-items: center; gap: var(--space-5); }
.hdr__login { font-size: var(--fs-small); }
.hdr.is-scrolled { background: rgba(13, 9, 7, 0.72); backdrop-filter: blur(var(--surface-blur)) saturate(1.3); box-shadow: 0 1px 0 var(--border-1), 0 20px 40px -30px rgba(0, 0, 0, 0.9); }
.hdr.is-scrolled .hdr__inner { height: 72px; }
.hdr.is-scrolled .hdr__brand img { height: 42px; }
.hdr__burger { display: none; position: relative; width: 46px; height: 46px; border: 0; border-radius: 50%; background: var(--surface-2); box-shadow: 0 0 0 1px var(--border-2) inset; cursor: pointer; }
.hdr__burger i { position: absolute; left: 14px; right: 14px; height: 1.5px; background: var(--text-1); transition: transform var(--duration-base) var(--ease-out); }
.hdr__burger i:first-of-type { top: 19px; }
.hdr__burger i:last-of-type { top: 26px; }
.hdr__burger[aria-expanded='true'] i:first-of-type { transform: translateY(3.5px) rotate(45deg); }
.hdr__burger[aria-expanded='true'] i:last-of-type { transform: translateY(-3.5px) rotate(-45deg); }

/* ---------- MENU MOBILE (cortina com clip-path) ---------------------- */
.menu {
  position: fixed; inset: 0; z-index: var(--z-menu);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 120px var(--space-gutter) calc(var(--space-7) + env(safe-area-inset-bottom));
  background: radial-gradient(80% 60% at 80% 10%, rgba(201, 147, 102, 0.2), transparent 70%), var(--color-ink-0);
  clip-path: circle(0% at calc(100% - 44px) 46px);
  transition: clip-path var(--duration-slow) var(--ease-in-out), visibility 0s var(--duration-slow);
  visibility: hidden;
}
.menu[hidden] { display: flex; }
.menu.is-open { clip-path: circle(150% at calc(100% - 44px) 46px); visibility: visible; transition: clip-path var(--duration-slow) var(--ease-in-out); }
.menu__nav { display: grid; gap: var(--space-2); }
.menu__nav a {
  display: flex; align-items: baseline; gap: var(--space-4);
  padding: var(--space-3) 0; border-bottom: 1px solid var(--border-1);
  font: 300 clamp(2.2rem, 9vw, 3.4rem) / 1.1 var(--font-display); text-decoration: none; color: var(--text-1);
  opacity: 0; transform: translateY(24px);
  transition: opacity var(--duration-base) var(--ease-out), transform var(--duration-base) var(--ease-out);
}
.menu__nav a span { font: 600 var(--fs-label) var(--font-ui); letter-spacing: var(--tracking-label); color: var(--accent-1); }
.menu.is-open .menu__nav a { opacity: 1; transform: none; }
.menu.is-open .menu__nav a:nth-child(2) { transition-delay: 60ms; }
.menu.is-open .menu__nav a:nth-child(3) { transition-delay: 120ms; }
.menu.is-open .menu__nav a:nth-child(4) { transition-delay: 180ms; }
.menu.is-open .menu__nav a:nth-child(5) { transition-delay: 240ms; }
.menu__foot { display: grid; gap: var(--space-5); justify-items: center; }
body.menu-open { overflow: hidden; }

/* ---------- INTRO (≈1,1s, só 1ª visita da sessão) -------------------- */
.intro { position: fixed; inset: 0; z-index: var(--z-intro); display: grid; place-items: center; background: var(--color-ink-0); pointer-events: none; }
.intro[hidden] { display: none; }
.intro__halo { position: absolute; width: 60vmin; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(233, 165, 110, 0.45), transparent 62%); filter: blur(10px); transform: scale(0.2); opacity: 0; }
.intro__mark { position: relative; width: 92px; opacity: 0; transform: scale(0.82); filter: blur(12px) brightness(1.8); }
.intro__line { position: absolute; left: 50%; top: calc(50% + 74px); width: 160px; height: 1px; margin-left: -80px; background: var(--accent-gradient); transform: scaleX(0); }
.intro.is-playing .intro__halo { animation: intro-halo 1100ms var(--ease-cinema) forwards; }
.intro.is-playing .intro__mark { animation: intro-mark 1100ms var(--ease-cinema) forwards; }
.intro.is-playing .intro__line { animation: intro-line 900ms 250ms var(--ease-cinema) forwards; }
.intro.is-leaving { animation: intro-out 700ms var(--ease-in-out) forwards; }
@keyframes intro-halo { 60% { opacity: 1; transform: scale(1); } 100% { opacity: 0.7; transform: scale(1.15); } }
@keyframes intro-mark { 60% { opacity: 1; transform: scale(1); filter: blur(0) brightness(1.2); } 100% { opacity: 1; transform: scale(1); filter: none; } }
@keyframes intro-line { to { transform: scaleX(1); } }
@keyframes intro-out { to { clip-path: inset(0 0 100% 0); } }
.intro { clip-path: inset(0 0 0 0); }

/* ---------- BIBLIOTECA DE REVEALS ------------------------------------
   Cada contexto escolhe o reveal adequado. Sem JS (.no-js) ou com
   prefers-reduced-motion, todo conteúdo aparece imediatamente.       */
.js [data-reveal] { transition-duration: var(--duration-slow); transition-timing-function: var(--ease-cinema); transition-delay: calc(var(--i, 0) * var(--motion-stagger)); }
.js [data-reveal='mask-up'] { clip-path: inset(0 0 100% 0); transform: translateY(var(--motion-distance)); transition-property: clip-path, transform; }
.js [data-reveal='mask-x'] { clip-path: inset(0 100% 0 0); transform: translateX(calc(var(--motion-distance) * -0.5)); transition-property: clip-path, transform; }
.js [data-reveal='clip'] { clip-path: inset(0 50% 0 50% round var(--radius-pill)); transition-property: clip-path; transition-duration: var(--duration-cinema); }
.js [data-reveal='blur'] { opacity: 0; filter: blur(14px); transform: translateY(calc(var(--motion-distance) * 0.4)); transition-property: opacity, filter, transform; }
.js [data-reveal='scale'] { opacity: 0; transform: perspective(900px) translateY(var(--motion-distance)) rotateX(10deg) scale(0.94); transition-property: opacity, transform; }
.js [data-reveal='lines'] { display: block; overflow: hidden; padding-bottom: 0.06em; }
.js [data-reveal='lines'] > span { display: inline-block; transform: translateY(105%) skewY(6deg); transition: transform var(--duration-cinema) var(--ease-cinema) calc(var(--i, 0) * 90ms); }
.js h2[data-reveal='lines'] > span { display: block; }
.js [data-reveal].is-in { clip-path: inset(0 0 0 0 round 0); opacity: 1; filter: none; transform: none; }
.js [data-reveal='clip'].is-in { clip-path: inset(0 0 0 0 round var(--radius-pill)); }
.js [data-reveal='lines'].is-in > span { transform: none; }

/* ---------- SPOTLIGHT (cartões seguem o ponteiro) -------------------- */
[data-spotlight] { --sx: 50%; --sy: 50%; }
[data-spotlight]::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: 0;
  background: radial-gradient(420px circle at var(--sx) var(--sy), rgba(233, 198, 161, 0.12), transparent 60%);
  opacity: 0; transition: opacity var(--duration-base);
}
[data-spotlight]:hover::before { opacity: 1; }

/* Listas com marcador desenhado. */
.ticks { list-style: none; margin: var(--space-5) 0 0; padding: 0; display: grid; gap: var(--space-3); }
.ticks li { position: relative; padding-left: 1.9rem; color: var(--text-2); }
.ticks li::before {
  content: ''; position: absolute; left: 0; top: 0.42em; width: 1.05rem; height: 0.6rem;
  border-left: 1.5px solid var(--accent-1); border-bottom: 1.5px solid var(--accent-1);
  transform: rotate(-45deg) scale(0.9); transform-origin: left;
}

/* ---------- FOOTER institucional -------------------------------------- */
.ftr { position: relative; z-index: var(--z-base); overflow: hidden; padding: var(--space-9) 0 0; border-top: 1px solid var(--border-1); background: linear-gradient(to bottom, rgba(13, 9, 7, 0.4), var(--color-ink-0) 40%); }
.ftr__glow { position: absolute; left: 50%; top: -260px; width: 900px; height: 520px; margin-left: -450px; background: radial-gradient(closest-side, rgba(201, 147, 102, 0.18), transparent); pointer-events: none; animation: ftr-breathe 9s ease-in-out infinite alternate; }
@keyframes ftr-breathe { to { opacity: 0.55; transform: scale(1.08); } }
.ftr__inner { position: relative; width: var(--container); margin-inline: auto; display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: var(--space-7) var(--space-6); }
.ftr__brand img { width: min(360px, 100%); height: auto; }
.ftr__brand p { max-width: 36ch; margin-top: var(--space-5); color: var(--text-2); }
.ftr__col { display: grid; align-content: start; gap: var(--space-3); }
.ftr__col h2 { margin-bottom: var(--space-2); font: 600 var(--fs-label) var(--font-ui); letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--accent-1); }
.ftr__col a { justify-self: start; }
.ftr__base { position: relative; width: var(--container); margin: var(--space-8) auto 0; padding: var(--space-5) 0; display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-4); border-top: 1px solid var(--border-1); font-size: var(--fs-small); color: var(--text-3); }
.ftr__word {
  position: relative; text-align: center; white-space: nowrap; user-select: none;
  font: 300 clamp(3.5rem, 13.5vw, 15rem) / 0.82 var(--font-display); letter-spacing: -0.04em;
  background: linear-gradient(to bottom, rgba(233, 198, 161, 0.16), rgba(233, 198, 161, 0));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-top: var(--space-5);
}

/* ---------- RESPONSIVO GLOBAL ----------------------------------------- */
@media (max-width: 1100px) {
  .hdr__nav { display: none; }
  .hdr__actions { margin-left: auto; }
}
@media (max-width: 760px) {
  .hdr__inner { height: 74px; gap: var(--space-3); }
  .hdr__brand img { height: 40px; }
  .hdr.is-scrolled .hdr__inner { height: 64px; }
  .hdr.is-scrolled .hdr__brand img { height: 36px; }
  .hdr__login, .hdr__actions .btn { display: none; }
  .hdr__burger { display: block; }
  .thread { display: none; }
  .ftr__inner { grid-template-columns: 1fr 1fr; }
  .ftr__brand { grid-column: 1 / -1; }
}
@media (prefers-reduced-motion: reduce) {
  html.js-smooth { scroll-behavior: auto; }
  .ftr__glow { animation: none; }
  .btn, .btn::after { transition: none; }
}