/* Hipótese D · Suas estações */
@property --on {
  syntax: '<number>';
  inherits: true;
  initial-value: 0;
}
@property --tinta-estacao {
  syntax: '<color>';
  inherits: true;
  initial-value: #f2c4cf;
}

:root {
  /* papel e tinta */
  --papel: #f7f1ee;
  --papel-2: #f3e9e6;
  --tinta: #2b1a22;
  --tinta-suave: #5d4651;
  /* as quatro estações */
  --inverno: #e6e3ea;
  --primavera: #f2c4cf;
  --verao: #f39a8f;
  --outono: #8e2a47;
  /* tons vizinhos amostrados do retrato (blazer, pele, pérola) */
  --blazer: #e4e2e4;
  --pele: #e9c3b4;
  --perola: #efe9ec;
  /* acento só no CTA */
  --magenta: #cb2062;
  --magenta-escuro: #a3174d;

  --f-titulo: 'Fanwood Text', 'Iowan Old Style', Georgia, serif;
  --f-texto: 'SUSE', system-ui, sans-serif;

  --margem: clamp(1.25rem, 6vw, 6rem);
  --nav-h: 4.5rem;
  --titulo: clamp(2.6rem, 1.2rem + 4.1vw, 5.6rem);
  --ease: cubic-bezier(.22, .8, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: var(--f-texto);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
a { color: inherit; }
img { display: block; max-width: none; }

/* granulado único, fixo */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: .05;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='g'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .17 0 0 0 0 .1 0 0 0 0 .13 0 0 0 1.6 -.3'/></filter><rect width='100%' height='100%' filter='url(%23g)'/></svg>");
  mix-blend-mode: multiply;
}

/* ---------- navegação ---------- */
.nav {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 20;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--margem);
}
.nav__marca { display: flex; flex-direction: column; text-decoration: none; line-height: 1.05; }
.nav__nome { font-family: var(--f-titulo); font-size: 1.4rem; letter-spacing: .005em; }
.nav__assina {
  font-size: .64rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--tinta-suave);
  margin-top: .3rem;
}
.nav__links { display: flex; align-items: center; gap: 2rem; font-size: .9rem; }
.nav__links a { text-decoration: none; color: var(--tinta-suave); transition: color .3s; }
.nav__links a:hover { color: var(--tinta); }
.nav__links .nav__agendar {
  color: var(--tinta);
  padding: .55rem 1.1rem;
  border: 1px solid color-mix(in oklab, var(--tinta) 28%, transparent);
  border-radius: 99px;
  background: color-mix(in oklab, var(--papel) 55%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: max(680px, 100svh);
  height: 100svh;
  max-height: 1100px;
  overflow: clip;
  isolation: isolate;
  transition: --tinta-estacao 4s linear;
}

/* malha de fundo: papel com manchas vizinhas do retrato e da estação do anel */
.hero__malha {
  position: absolute;
  inset: -15%;
  z-index: -2;
  background:
    radial-gradient(42% 46% at 18% 30% in oklab, color-mix(in oklab, var(--tinta-estacao) 26%, var(--papel)) 0%, transparent 100%),
    radial-gradient(40% 50% at 70% 42% in oklab, color-mix(in oklab, var(--primavera) 40%, var(--papel)) 0%, transparent 100%),
    radial-gradient(36% 40% at 90% 88% in oklab, color-mix(in oklab, var(--pele) 45%, var(--papel)) 0%, transparent 100%),
    radial-gradient(50% 44% at 30% 92% in oklab, color-mix(in oklab, var(--inverno) 85%, var(--papel)) 0%, transparent 100%),
    radial-gradient(34% 40% at 4% 4% in oklab, color-mix(in oklab, #dcdbe8 80%, var(--papel)) 0%, transparent 100%),
    radial-gradient(36% 36% at 54% 8% in oklab, color-mix(in oklab, var(--perola) 80%, white) 0%, transparent 100%),
    var(--papel);
  animation: respira 38s ease-in-out infinite alternate;
}
@keyframes respira {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  50%  { transform: translate3d(-2.5%, 1.5%, 0) scale(1.04); }
  100% { transform: translate3d(2%, -1.5%, 0) scale(1.02); }
}

/* palco: anel, palavras e retrato */
.palco {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 60%;
  container-type: size;
  z-index: 0;
  --cx: 52cqw;
  --cy: 59cqh;
  --r: min(40cqh, 47cqw);
}
.palco__guia {
  position: absolute;
  left: calc(var(--cx) - var(--r));
  top: calc(var(--cy) - var(--r));
  width: calc(var(--r) * 2);
  height: calc(var(--r) * 2);
  border-radius: 50%;
  pointer-events: none;
}
/* sem WebGL: anel de luz em CSS, parado */
.sem-gl .palco__guia {
  background: conic-gradient(from 200deg in oklch, var(--inverno), var(--primavera), var(--verao), color-mix(in oklab, var(--outono) 70%, var(--verao)), var(--inverno));
  -webkit-mask: radial-gradient(closest-side, transparent 80%, #000 88%, #000 93%, transparent 100%);
          mask: radial-gradient(closest-side, transparent 80%, #000 88%, #000 93%, transparent 100%);
  filter: blur(6px);
  opacity: .9;
}

.anel {
  position: absolute;
  top: 0;
  left: -40cqw;
  width: 140cqw;
  height: 100%;
  display: block;
  opacity: 0;
  transition: opacity 1.4s var(--ease);
}
.anel.pronto { opacity: 1; }
.anel--atras { z-index: 1; }
.orbita { position: absolute; inset: 0; z-index: 5; pointer-events: none; }
.retrato {
  position: absolute;
  z-index: 3;
  height: 142cqh;
  width: auto;
  aspect-ratio: 1200 / 2133;
  /* centro do rosto fica em 53% da largura da foto; topo da cabeça em 10,2% da altura */
  left: calc(var(--cx) - 142cqh * .5625 * .53);
  top: calc(11cqh - 142cqh * .102);
  filter: drop-shadow(0 30px 60px color-mix(in oklab, var(--outono) 14%, transparent));
}
.anel--frente { z-index: 4; pointer-events: none; }

/* palavras que orbitam no anel */
.orbita__p {
  position: absolute;
  left: 0;
  top: 0;
  display: inline-flex;
  align-items: center;
  gap: .5em;
  padding: .42em .9em .46em .7em;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--tinta);
  white-space: nowrap;
  border-radius: 99px;
  background: color-mix(in oklab, var(--papel) 74%, transparent);
  border: 1px solid color-mix(in oklab, white 60%, transparent);
  box-shadow: 0 6px 22px -10px color-mix(in oklab, var(--outono) 40%, transparent);
  backdrop-filter: blur(10px) saturate(1.2);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
  will-change: transform;
  transform: translate3d(-200px, -200px, 0);
  opacity: calc(var(--on) * var(--rosto, 1));
  transition: --on 1.4s var(--ease);
}
.orbita__p i {
  width: .55em;
  height: .55em;
  border-radius: 50%;
  background: var(--c, var(--primavera));
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--c, var(--primavera)) 30%, transparent);
}
.orbita.pronto .orbita__p { --on: 1; }
.orbita.pronto .orbita__p:nth-child(2) { transition-delay: .25s; }
.orbita.pronto .orbita__p:nth-child(3) { transition-delay: .5s; }
.orbita.pronto .orbita__p:nth-child(4) { transition-delay: .75s; }

/* ---------- texto ---------- */
.texto {
  position: relative;
  z-index: 5;
  height: 100%;
  width: min(36rem, 40vw);
  margin-left: var(--margem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 1rem) 0 5.5rem;
}
.texto__sobre {
  margin: 0 0 1.4rem;
  font-size: .74rem;
  font-weight: 500;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--tinta-suave);
}
.texto__sobre span { color: var(--outono); padding: 0 .3em; }

.titulo {
  margin: 0;
  font-family: var(--f-titulo);
  font-weight: 400;
  font-size: var(--titulo);
  line-height: .98;
  letter-spacing: -.012em;
  color: var(--tinta);
  text-wrap: balance;
}
.titulo__l { display: block; }
.titulo em {
  font-style: italic;
  color: var(--outono);
  letter-spacing: -.005em;
  padding-right: .06em;
}

.texto__apoio {
  margin: 1.6rem 0 0;
  max-width: 30rem;
  font-size: clamp(1rem, .92rem + .25vw, 1.12rem);
  font-weight: 350;
  line-height: 1.55;
  color: var(--tinta-suave);
}
.texto__apoio strong { font-weight: 600; color: var(--tinta); }

.acoes {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem 1.6rem;
}
.cta {
  position: relative;
  display: grid;
  grid-template-columns: auto auto;
  grid-template-rows: auto auto;
  column-gap: 1.1rem;
  align-items: center;
  padding: .85rem 1.15rem .9rem 1.6rem;
  border-radius: 99px;
  text-decoration: none;
  color: #fff;
  background:
    radial-gradient(120% 140% at 15% 0% in oklab, #e0397a 0%, var(--magenta) 55%, var(--magenta-escuro) 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, .35) inset,
    0 18px 36px -16px color-mix(in oklab, var(--magenta) 70%, transparent),
    0 4px 10px -4px color-mix(in oklab, var(--outono) 40%, transparent);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.cta:hover { transform: translateY(-2px); box-shadow: 0 1px 0 rgba(255,255,255,.35) inset, 0 24px 44px -16px color-mix(in oklab, var(--magenta) 80%, transparent), 0 4px 10px -4px color-mix(in oklab, var(--outono) 40%, transparent); }
.cta:focus-visible, .secundaria:focus-visible, .nav a:focus-visible { outline: 2px solid var(--magenta); outline-offset: 4px; }
.cta__frase { font-family: var(--f-titulo); font-style: italic; font-size: 1.55rem; line-height: 1.05; }
.cta__info { grid-row: 2; font-size: .74rem; letter-spacing: .04em; opacity: .88; margin-top: .15rem; }
.cta__seta {
  grid-row: 1 / 3;
  grid-column: 2;
  width: 2.6rem;
  height: 2.6rem;
  padding: .6rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, .16);
  fill: none;
  stroke: #fff;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform .45s var(--ease);
}
.cta:hover .cta__seta { transform: translateX(3px); }

.secundaria {
  font-size: .92rem;
  color: var(--tinta-suave);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in oklab, var(--tinta) 25%, transparent);
  padding-bottom: .15rem;
  transition: color .3s, border-color .3s;
}
.secundaria:hover { color: var(--tinta); border-color: var(--tinta); }

.provas {
  list-style: none;
  margin: 2.4rem 0 0;
  padding: 1.3rem 0 0;
  border-top: 1px solid color-mix(in oklab, var(--tinta) 14%, transparent);
  display: grid;
  grid-template-columns: 1.15fr 1.15fr .8fr;
  gap: 1.4rem;
}
.provas li { display: flex; flex-direction: column; gap: .3rem; }
.provas b::before {
  content: '';
  display: inline-block;
  width: .42em;
  height: .42em;
  margin: 0 .5em .12em 0;
  border-radius: 50%;
  background: var(--pc);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--pc) 28%, transparent);
}
.provas li:nth-child(1) { --pc: var(--outono); }
.provas li:nth-child(2) { --pc: var(--verao); }
.provas li:nth-child(3) { --pc: var(--primavera); }
.provas b { font-family: var(--f-titulo); font-weight: 400; font-size: 1.15rem; line-height: 1.1; color: var(--tinta); }
.provas span { font-size: .76rem; line-height: 1.4; color: var(--tinta-suave); }

.registro {
  position: absolute;
  z-index: 6;
  left: var(--margem);
  bottom: 1.6rem;
  margin: 0;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: .35rem 1.2rem;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--tinta-suave);
}
.registro span + span::before { content: '·'; margin-right: 1.2rem; color: var(--outono); }
.registro small { font-size: .7rem; font-weight: 400; letter-spacing: .04em; text-transform: none; opacity: .85; }

/* ---------- entrada (só com JS) ---------- */
.js [data-in] {
  opacity: 0;
  transform: translate3d(0, 18px, 0);
  filter: blur(6px);
  transition: opacity 1.1s var(--ease), transform 1.3s var(--ease), filter 1.1s var(--ease);
  transition-delay: calc(var(--d, 0) * 1ms);
}
.js .titulo__l[data-in] { transform: translate3d(0, .35em, 0); }
.js.entrou [data-in] { opacity: 1; transform: none; filter: none; }
.js .retrato {
  opacity: 0;
  transform: translate3d(0, 3%, 0) scale(1.02);
  transform-origin: 50% 20%;
  transition: opacity 1.6s var(--ease) .35s, transform 2.2s var(--ease) .35s;
}
.js.entrou .retrato { opacity: 1; transform: none; }

/* ---------- notebook (981–1200) ---------- */
@media (max-width: 1200px) and (min-width: 900px) {
  :root { --titulo: clamp(2.6rem, .6rem + 4.2vw, 4.4rem); }
  .palco { width: 58%; --cx: 55cqw; --r: min(38cqh, 44cqw); }
  .texto { width: 44vw; }
  .texto__sobre { margin-bottom: 1rem; }
  .texto__apoio { font-size: 1rem; margin-top: 1.2rem; }
  .secundaria { display: none; }
  .acoes { margin-top: 1.5rem; }
  .provas { gap: 1rem; margin-top: 1.8rem; padding-top: 1rem; grid-template-columns: 1.2fr 1.2fr .8fr; }
  .provas b { font-size: 1rem; }
  .provas span { font-size: .7rem; }
  .nav__links { gap: 1.4rem; }
}
/* telas baixas */
@media (min-width: 900px) and (max-height: 760px) {
  .provas { margin-top: 1.6rem; padding-top: 1rem; }
  .texto__apoio { margin-top: 1.1rem; }
  .acoes { margin-top: 1.4rem; }
  .texto { padding-bottom: 4.5rem; }
}

/* ---------- celular ---------- */
@media (max-width: 899px) {
  :root { --nav-h: 3.75rem; --titulo: clamp(2.45rem, 1.2rem + 6.4vw, 3.6rem); }
  .nav__links a:not(.nav__agendar) { display: none; }
  .nav__nome { font-size: 1.2rem; }
  .nav__assina { font-size: .56rem; letter-spacing: .22em; }
  .nav__links .nav__agendar { padding: .45rem .95rem; font-size: .84rem; }

  .hero { height: auto; max-height: none; min-height: 100svh; display: flex; flex-direction: column; }
  .palco {
    position: relative;
    width: 100%;
    height: clamp(370px, 55svh, 540px);
    flex: none;
    --cx: 51cqw;
    --cy: 57cqh;
    --r: min(41cqw, 38cqh);
    -webkit-mask: linear-gradient(to bottom, #000 78%, transparent 99%);
            mask: linear-gradient(to bottom, #000 78%, transparent 99%);
  }
  .retrato {
    height: auto;
    width: 112cqw;
    left: calc(var(--cx) - 112cqw * .53);
    top: calc(var(--cy) - var(--r) - 112cqw * 1.7775 * .102 - 7cqh);
  }
  .anel { left: 0; width: 100%; }
  .orbita__p { font-size: .6rem; letter-spacing: .16em; padding: .38em .75em .4em .6em; }

  .texto {
    width: auto;
    height: auto;
    margin: -1.2rem var(--margem) 0;
    padding: 0 0 1.5rem;
    justify-content: flex-start;
  }
  .texto__sobre { font-size: .64rem; letter-spacing: .2em; margin-bottom: .9rem; }
  .texto__apoio { margin-top: 1.1rem; font-size: 1rem; }
  .acoes { margin-top: 1.5rem; gap: .9rem 1.2rem; }
  .cta { padding: .75rem .9rem .8rem 1.3rem; }
  .cta__frase { font-size: 1.4rem; }
  .cta__info { font-size: .7rem; }
  .cta__seta { width: 2.4rem; height: 2.4rem; }
  .provas { grid-template-columns: 1fr 1fr; gap: 1.1rem 1rem; margin-top: 1.9rem; }
  .provas li:last-child { grid-column: 1 / -1; }
  .registro { position: static; margin: 0 var(--margem) 1.8rem; gap: .3rem .9rem; font-size: .66rem; }
  .registro span + span::before { margin-right: .9rem; }
  .registro small { flex-basis: 100%; }
}
@media (max-width: 374px) {
  .cta__info { font-size: .64rem; letter-spacing: 0; }
  .provas b { font-size: 1.05rem; }
}

/* ---------- movimento reduzido ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
}