/* Proof · componentes da versão C */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--text);
  font: 400 var(--t-body)/1.55 var(--f-sans); letter-spacing: -.005em;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--marker); outline-offset: 3px; }

/* fibra de papel · camada única */
.paper::after {
  content: ""; position: fixed; inset: 0; z-index: 90; pointer-events: none;
  background-image: var(--fiber); background-size: 260px; opacity: .2; mix-blend-mode: multiply;
}

/* tipo · grotesco apertado da A; itálico = voz; círculo = leak */
.display, .h2, .h3 { margin: 0; font-weight: 500; color: var(--text); text-wrap: balance; }
.display { font-size: var(--t-display); line-height: .95; letter-spacing: -.05em; }
.h2 { font-size: var(--t-h2); line-height: 1; letter-spacing: -.04em; }
.h3 { font-size: var(--t-h3); line-height: 1.15; letter-spacing: -.025em; }
.lead { font-size: var(--t-lead); line-height: 1.5; color: var(--text-2); letter-spacing: -.01em; max-width: 36em; }
.focus { font-family: var(--f-focus); font-style: italic; font-weight: 400; letter-spacing: -.015em; white-space: nowrap; }
.hand { font-family: var(--f-hand); font-size: var(--t-hand); line-height: 1; color: var(--marker); letter-spacing: 0; }
.meta { font: 400 var(--t-meta)/1.5 var(--f-mono); letter-spacing: .09em; text-transform: uppercase; color: var(--graphite); }
.meta b { font-weight: 400; color: var(--film); }
.sep::before { content: "·"; margin: 0 .7em; color: var(--line-2); }

/* marcador · traço com borda de cera */
.mark { position: relative; white-space: nowrap; display: inline-block; }
.mark > svg { position: absolute; pointer-events: none; overflow: visible; }
.mark--circle > svg { left: -10%; top: -20%; width: 120%; height: 144%; }
.mark--under > svg { left: -2%; bottom: -.16em; width: 104%; height: .3em; }
.draw path { fill: none; stroke: var(--marker); stroke-width: 3.2; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; stroke-dasharray: 1; stroke-dashoffset: 0; filter: url(#wax); }
.draw--thin path { stroke-width: 2.2; }
.note { display: inline-flex; align-items: flex-end; gap: 6px; }
.note svg { width: 54px; height: 40px; flex: none; }

/* filme · o escuro de cinema mora aqui dentro */
.film {
  position: relative; background: var(--film); padding: 30px 12px; border-radius: 3px;
  box-shadow: 0 28px 56px -28px color-mix(in srgb, var(--film) 70%, transparent);
  rotate: var(--tilt, 0deg);
}
.film::before, .film::after {
  content: ""; position: absolute; left: 8px; right: 8px; height: 10px;
  background: color-mix(in srgb, var(--paper) 22%, transparent);
  -webkit-mask: var(--sprocket) repeat-x left center / 24px 10px; mask: var(--sprocket) repeat-x left center / 24px 10px;
}
.film::before { top: 8px; } .film::after { bottom: 8px; }
.film__code { position: absolute; top: 19px; left: 14px; right: 14px; display: flex; justify-content: space-between; font: 400 8.5px/1 var(--f-mono); letter-spacing: .18em; color: color-mix(in srgb, var(--marker) 85%, var(--ember)); }
.film__img { position: relative; overflow: hidden; aspect-ratio: var(--ar, 4 / 5); background: var(--night); isolation: isolate; border-radius: 1px; }
.film__img > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.film__img::after { /* grão de filme dentro da moldura */
  content: ""; position: absolute; inset: 0; z-index: 3; pointer-events: none;
  background-image: var(--grain); background-size: 200px; opacity: .22; mix-blend-mode: overlay;
}
/* queima de luz na borda (light leak de verdade, no filme) */
.burn { position: absolute; z-index: 2; pointer-events: none; top: -20%; right: -30%; width: 60%; height: 140%; border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--ember) 45%, var(--paper)) 0%, var(--ember) 22%, color-mix(in srgb, var(--marker) 75%, transparent) 46%, color-mix(in srgb, var(--marker) 18%, transparent) 70%, transparent 100%);
  filter: blur(34px); mix-blend-mode: screen; opacity: var(--burn-o, .75); transform: rotate(10deg);
}
.burn--left { right: auto; left: -32%; transform: rotate(-10deg); }
/* tratamento de retrato (vem da A) */
.x-base { filter: grayscale(.3) saturate(.72) contrast(1.16) brightness(.8); object-position: 50% 30%; }
.x-ghost { transform: translateX(4%) scale(1.03); filter: blur(9px) saturate(.4) brightness(1.15); opacity: .4; mix-blend-mode: screen; object-position: 50% 30%; }
.x-cool { position: absolute; inset: 0; background: linear-gradient(180deg, color-mix(in srgb, var(--frost) 45%, var(--night)), var(--night)); mix-blend-mode: color; opacity: .5; }
.x-vig { position: absolute; inset: 0; background: radial-gradient(90% 80% at 50% 40%, transparent 45%, color-mix(in srgb, var(--film) 80%, transparent) 100%); }
.film__cap { display: flex; justify-content: space-between; gap: var(--s3); margin-top: var(--s3); }
.film__cap .hand { font-size: 26px; }

/* botões */
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 16px 24px; border-radius: var(--r-pill); border: 0; cursor: pointer;
  font: 500 15px/1 var(--f-sans); letter-spacing: -.01em; text-decoration: none; white-space: nowrap;
  transition: transform var(--d-fast) var(--ease-out), box-shadow var(--d-fast), background var(--d-fast);
}
.btn .arr { transition: transform var(--d-fast) var(--ease-out); }
.btn:hover .arr { transform: translateX(3px); }
.btn--marker { background: var(--marker); color: var(--film); box-shadow: inset 0 1px 0 color-mix(in srgb, var(--paper) 40%, transparent), 0 12px 28px -14px color-mix(in srgb, var(--marker) 85%, transparent); }
.btn--marker:hover { transform: translateY(-1px); box-shadow: inset 0 1px 0 color-mix(in srgb, var(--paper) 40%, transparent), 0 0 40px 2px color-mix(in srgb, var(--ember) 45%, transparent); }
.btn--line { background: transparent; color: var(--film); box-shadow: inset 0 0 0 1.5px var(--film); }
.btn--line:hover { background: var(--silver); }
.btn--sm { padding: 11px 16px; font-size: 14px; }

/* etiqueta · impressa em filme */
.tag { display: inline-flex; align-items: center; gap: 8px; padding: 8px 13px; border-radius: var(--r-pill); background: var(--film); color: var(--paper); font: 400 var(--t-meta)/1 var(--f-mono); letter-spacing: .09em; text-transform: uppercase; }
.tag i { width: 6px; height: 6px; border-radius: 50%; background: var(--marker); }
.tag--tilt { rotate: -4deg; }

/* formulário */
.send { display: flex; align-items: center; gap: 6px; padding: 6px; max-width: 560px; border-radius: var(--r-pill); background: var(--print); box-shadow: inset 0 0 0 1.5px var(--film); }
.send:focus-within { box-shadow: inset 0 0 0 1.5px var(--film), 0 0 0 4px color-mix(in srgb, var(--marker) 25%, transparent); }
.send input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--film); font: 400 16px/1 var(--f-sans); padding: 0 8px 0 18px; }
.send input::placeholder { color: var(--graphite); font-family: var(--f-mono); font-size: 13px; }

/* nav */
.nav { display: flex; align-items: center; justify-content: space-between; gap: var(--s4); padding: 16px 0; border-bottom: 1px solid var(--line-2); }
.nav__links { display: flex; gap: var(--s6); font-size: var(--t-small); color: var(--text-2); }
.nav__links a { text-decoration: none; } .nav__links a:hover { color: var(--film); }
.wordmark { font: 500 16px/1 var(--f-sans); letter-spacing: -.02em; text-decoration: none; white-space: nowrap; display: inline-flex; align-items: baseline; }
.wordmark::after { content: ""; width: 6px; height: 6px; border-radius: 1px; background: var(--marker); margin-left: 4px; }

/* faixa darkroom · o único bloco escuro da página (revelação do rebuild) */
.darkroom { position: relative; isolation: isolate; overflow: hidden; background: var(--film); color: var(--paper); }
.darkroom::before { content: ""; position: absolute; z-index: -1; width: 90%; aspect-ratio: 1; border-radius: 50%; left: -40%; bottom: -70%; background: radial-gradient(closest-side, color-mix(in srgb, var(--frost) 70%, var(--paper)) 0%, var(--frost) 24%, color-mix(in srgb, var(--night) 90%, transparent) 56%, transparent 100%); filter: blur(48px); opacity: .55; }
.darkroom::after { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background-image: var(--grain); background-size: 240px; opacity: .14; mix-blend-mode: overlay; }
.darkroom .burn { filter: blur(56px); opacity: .6; width: 46%; right: -22%; }
.darkroom .meta { color: color-mix(in srgb, var(--paper) 60%, var(--film)); }
.darkroom .meta b { color: var(--paper); }
.darkroom .h2, .darkroom .display { color: var(--paper); }

/* reveal · foco (A) + papel assenta (B) + marcador desenha (B) */
.js [data-reveal] { opacity: 0; filter: blur(12px); transform: scale(1.015); }
.js [data-reveal].is-in { opacity: 1; filter: none; transform: none; transition: opacity var(--d-reveal) var(--ease-out), filter var(--d-reveal) var(--ease-out), transform var(--d-reveal) var(--ease-out); transition-delay: var(--delay, 0ms); }
.js .draw path { stroke-dashoffset: 1; }
.js .is-in .draw path, .js .draw.is-in path { stroke-dashoffset: 0; transition: stroke-dashoffset var(--d-draw) var(--ease-out); transition-delay: var(--draw-delay, 450ms); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js [data-reveal] { opacity: 1; filter: none; transform: none; }
  .js .draw path { stroke-dashoffset: 0; }
}
@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav .btn--sm { font-size: 13px; padding: 10px 13px; }
  .send { flex-wrap: wrap; border-radius: 20px; padding: 8px; }
  .send input { flex-basis: 100%; padding: 12px 10px; }
  .send .btn { width: 100%; justify-content: center; }
}