/* =========================================================
   Dra. Viviane Baptistella — Definição Corporal
   Direção: marfim/terracota (tons adjacentes à pele, valorizam
   a fotografia de corpo) com blocos noturnos de manifesto que
   herdam o preto de estúdio das fotos dela.
   ========================================================= */

@layer reset, base, components, sections, motion;

/* ---------------------------------------------------------
   TOKENS
   --------------------------------------------------------- */
:root {
  /* claro */
  --marfim:   #fbf8f2;
  --areia:    #f2e9de;
  --areia-2:  #e9dccc;
  --tinta:    #201c18;
  --texto:    #52493f;
  --suave:    #8a8074;

  /* acento único */
  --terra:    #b85c38;
  --terra-h:  #9a4a2c;
  --terra-12: rgba(184, 92, 56, .12);
  --terra-22: rgba(184, 92, 56, .22);

  /* noturno */
  --noite:    #14100d;
  --noite-2:  #1c1712;

  /* papéis (trocados dentro de .dark) */
  --bg:       var(--marfim);
  --fg:       var(--tinta);
  --fg-soft:  var(--texto);
  --fg-mute:  var(--suave);
  --line:     rgba(32, 28, 24, .14);
  --line-2:   rgba(32, 28, 24, .26);
  --panel:    var(--marfim);

  --ff-display: "Fraunces", "Times New Roman", serif;
  --ff-text:    "Hanken Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --ff-mono:    "JetBrains Mono", ui-monospace, "SF Mono", monospace;

  --step--1: clamp(.78rem, .75rem + .14vw, .86rem);
  --step-0:  clamp(1rem, .96rem + .22vw, 1.115rem);
  --step-1:  clamp(1.15rem, 1.05rem + .48vw, 1.4rem);
  --step-2:  clamp(1.5rem, 1.26rem + 1.15vw, 2.2rem);
  --step-3:  clamp(2rem, 1.5rem + 2.4vw, 3.5rem);
  --step-4:  clamp(2.5rem, 1.65rem + 4.2vw, 5.6rem);
  --step-5:  clamp(3rem, 1.5rem + 7vw, 8.5rem);

  --pad:  clamp(1.25rem, 5vw, 6rem);
  --maxw: 76rem;

  --ease:      cubic-bezier(.22, 1, .36, 1);
  --ease-soft: cubic-bezier(.4, 0, .2, 1);
}

.dark {
  --bg:      var(--noite);
  --fg:      var(--marfim);
  --fg-soft: rgba(251, 248, 242, .70);
  --fg-mute: rgba(251, 248, 242, .42);
  --line:    rgba(251, 248, 242, .13);
  --line-2:  rgba(251, 248, 242, .24);
  --panel:   var(--noite-2);
  background: var(--bg);
  color: var(--fg);
}

/* ---------------------------------------------------------
   RESET
   --------------------------------------------------------- */
@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  * { margin: 0; }
  /* clip fica no html: em body, o overflow propaga pro viewport e trava o scroll */
  html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: clip; }
  body { min-height: 100svh; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
  img, picture, svg { display: block; max-width: 100%; }
  button, input, textarea, select { font: inherit; color: inherit; }
  fieldset { border: 0; padding: 0; }
  h1, h2, h3 { text-wrap: balance; font-weight: inherit; }
  p { text-wrap: pretty; }
  ul { list-style: none; padding: 0; }
  a { color: inherit; text-decoration: none; }
  ::selection { background: var(--terra); color: var(--marfim); }
  .sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap;
  }
}

/* ---------------------------------------------------------
   BASE
   --------------------------------------------------------- */
@layer base {
  body {
    background: var(--marfim);
    color: var(--tinta);
    font-family: var(--ff-text);
    font-size: var(--step-0);
    line-height: 1.66;
    font-weight: 300;
  }

  .h2 {
    font-family: var(--ff-display);
    font-optical-sizing: auto;
    font-variation-settings: "SOFT" 20, "WONK" 0;
    font-weight: 400;
    font-size: var(--step-3);
    line-height: 1.04;
    letter-spacing: -.024em;
    color: var(--fg);
  }
  .h2--big    { font-size: var(--step-4); letter-spacing: -.035em; }
  .h2--serif  { font-style: italic; font-weight: 300; }

  .lede {
    font-size: var(--step-1);
    line-height: 1.55;
    color: var(--fg-soft);
    max-width: 46ch;
  }

  .section-tag,
  .eyebrow {
    font-family: var(--ff-mono);
    font-size: .72rem;
    font-weight: 400;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--fg-mute);
  }
  .eyebrow { display: inline-flex; align-items: center; gap: .6rem; }

  .dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--terra);
    animation: ping 2.8s var(--ease-soft) infinite;
  }
  @keyframes ping {
    0%   { box-shadow: 0 0 0 0 var(--terra-22) }
    70%  { box-shadow: 0 0 0 10px rgba(184,92,56,0) }
    100% { box-shadow: 0 0 0 0 rgba(184,92,56,0) }
  }

  /* barra de progresso de leitura */
  .progress {
    position: fixed; inset: 0 0 auto 0;
    height: 2px; z-index: 120;
    pointer-events: none;
  }
  .progress span {
    display: block; height: 100%;
    background: var(--terra);
    transform: scaleX(0);
    transform-origin: 0 50%;
    transition: transform .1s linear;
  }
}

/* ---------------------------------------------------------
   COMPONENTES
   --------------------------------------------------------- */
@layer components {
  .btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    padding: .8rem 1.4rem;
    border: 1px solid color-mix(in oklab, currentColor 26%, transparent);
    border-radius: 100px;
    color: inherit;
    background: transparent;
    font-size: var(--step--1);
    font-weight: 500;
    letter-spacing: .04em;
    overflow: hidden;
    isolation: isolate;
    transition: color .5s var(--ease), border-color .5s var(--ease), transform .3s var(--ease);
    -webkit-tap-highlight-color: transparent;
  }
  .btn::before {
    content: "";
    position: absolute; inset: 0; z-index: -1;
    background: currentColor;
    transform: translateY(101%);
    transition: transform .55s var(--ease);
  }
  .btn:hover { color: var(--btn-invert, var(--bg)); border-color: currentColor; }
  .btn:hover::before { transform: translateY(0); }
  .btn:active { transform: scale(.98); }
  .btn svg { transition: transform .5s var(--ease); }
  .btn:hover svg { transform: translateX(3px); }

  .btn--sm { padding: .55rem 1.05rem; font-size: .74rem; }
  .btn--lg { padding: 1.05rem 1.9rem; }

  .btn--solid {
    background: var(--terra);
    border-color: var(--terra);
    color: #fff;
    box-shadow: 0 16px 40px -18px rgba(184, 92, 56, .8);
  }
  .btn--solid::before { background: var(--terra-h); }
  .btn--solid:hover { color: #fff; border-color: var(--terra-h); }

  .link-quiet {
    font-size: var(--step--1);
    color: var(--fg-soft);
    letter-spacing: .02em;
    border-bottom: 1px solid var(--line-2);
    padding-bottom: .25rem;
    transition: color .4s var(--ease), border-color .4s var(--ease);
  }
  .link-quiet:hover { color: var(--fg); border-color: var(--terra); }

  /* NAV --------------------------------------------------- */
  .nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 1.35rem var(--pad);
    color: var(--marfim);
    transition: padding .6s var(--ease), background-color .5s var(--ease), color .5s var(--ease);
  }
  .nav::after {
    content: "";
    position: absolute; inset: auto 0 0 0;
    height: 1px; background: currentColor; opacity: 0;
    transition: opacity .5s var(--ease);
  }
  .nav[data-theme="light"] { color: var(--tinta); }
  .nav.is-stuck {
    padding-block: .8rem;
    background: color-mix(in oklab, var(--noite) 74%, transparent);
    backdrop-filter: blur(16px) saturate(1.3);
    -webkit-backdrop-filter: blur(16px) saturate(1.3);
  }
  .nav.is-stuck[data-theme="light"] {
    background: color-mix(in oklab, var(--marfim) 82%, transparent);
  }
  .nav.is-stuck::after { opacity: .14; }

  .nav__mark { display: grid; line-height: 1.15; }
  .nav__mark-name {
    font-family: var(--ff-display);
    font-size: 1.05rem;
    font-weight: 500;
    letter-spacing: -.012em;
  }
  .nav__mark-sub {
    font-family: var(--ff-mono);
    font-size: .6rem;
    letter-spacing: .2em;
    text-transform: uppercase;
    opacity: .55;
  }

  .nav__links { display: flex; gap: 1.8rem; }
  .nav__links a {
    position: relative;
    font-size: .82rem;
    opacity: .68;
    transition: opacity .4s var(--ease);
  }
  .nav__links a::after {
    content: "";
    position: absolute; left: 0; bottom: -6px;
    width: 100%; height: 1px;
    background: var(--terra);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .5s var(--ease);
  }
  .nav__links a:hover { opacity: 1; }
  .nav__links a:hover::after { transform: scaleX(1); transform-origin: left; }
  @media (max-width: 1080px) { .nav__links { display: none; } }

  .nav                     { --btn-invert: var(--noite); }
  .nav[data-theme="light"] { --btn-invert: var(--marfim); }

  /* WHATSAPP FLUTUANTE ------------------------------------ */
  .wa-float {
    position: fixed;
    right: clamp(1rem, 3vw, 2rem);
    bottom: clamp(1rem, 3vw, 2rem);
    z-index: 90;
    display: grid; place-items: center;
    width: 54px; height: 54px;
    border-radius: 50%;
    background: var(--terra);
    color: #fff;
    box-shadow: 0 16px 40px -14px rgba(184, 92, 56, .9);
    opacity: 0;
    transform: translateY(16px) scale(.85);
    pointer-events: none;
    transition: opacity .6s var(--ease), transform .6s var(--ease), background-color .4s var(--ease);
  }
  .wa-float.is-on { opacity: 1; transform: none; pointer-events: auto; }
  .wa-float:hover { background: var(--terra-h); transform: scale(1.06); }
}

/* ---------------------------------------------------------
   SEÇÕES
   --------------------------------------------------------- */
@layer sections {

  /* HERO --------------------------------------------------- */
  .hero {
    position: relative;
    min-height: 100svh;
    display: grid;
    align-items: end;
    padding: 8rem var(--pad) clamp(3rem, 8vh, 5.5rem);
    overflow: clip;
    isolation: isolate;
  }
  .hero__media { position: absolute; inset: 0; z-index: -3; overflow: hidden; will-change: transform; }
  /* <picture> é inline e não propaga altura: sem isso o height:100% da img
     não resolve e ela vaza no tamanho natural */
  .hero__media picture { display: block; width: 100%; height: 100%; }
  .hero__media img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: 74% center;
    transform: scale(1.07);
  }
  /* No celular a foto continua sangrando a tela inteira. O truque é puxar o
     enquadramento para o alto: o rosto dela fica no terço superior e o texto
     ocupa a metade de baixo, onde o degradê já é sólido. */
  /* A vertical do hero foi feita com espaço reservado: a Viviane ocupa de 4% a
     52% da altura e a metade de baixo é fundo escuro vazio. Por isso a foto
     sangra a tela inteira e o texto entra embaixo, sobre o vazio dela.
     Ancorar no topo (object-position Y 0) mantém a cabeça sempre no quadro. */
  @media (max-width: 860px) {
    .hero { align-items: end; padding: 6rem var(--pad) 2rem; }
    .hero__media img { object-position: 62% 0; transform: none; }
    .hero__inner { gap: clamp(.8rem, 1.7vh, 1.3rem); }
  }

  /* o véu garante contraste do texto mesmo se a foto não carregar */
  .hero__veil {
    position: absolute; inset: 0; z-index: -2;
    background:
      linear-gradient(100deg, var(--noite) 4%, rgba(20,16,13,.93) 26%, rgba(20,16,13,.55) 47%, rgba(20,16,13,.08) 68%),
      linear-gradient(to top, var(--noite) 2%, transparent 32%);
  }
  @media (max-width: 860px) {
    /* véu só na metade de baixo, que já é fundo vazio. Zero sobre o rosto. */
    .hero__veil {
      background: linear-gradient(to top,
        var(--noite) 10%,
        rgba(20, 16, 13, .74) 34%,
        rgba(20, 16, 13, .16) 60%,
        rgba(20, 16, 13, 0) 82%);
    }
    .hero__glow { display: none; }
  }
  .hero__glow {
    position: absolute; z-index: -1;
    left: -16vw; top: 10vh;
    width: 58vw; aspect-ratio: 1;
    background: radial-gradient(circle, rgba(184,92,56,.26), transparent 62%);
    filter: blur(60px);
    animation: drift 18s var(--ease-soft) infinite alternate;
    pointer-events: none;
  }
  @keyframes drift {
    from { transform: translate3d(0,0,0) scale(1); opacity: .8 }
    to   { transform: translate3d(5vw,-4vh,0) scale(1.18); opacity: 1 }
  }

  .hero__inner {
    width: min(100%, var(--maxw));
    display: grid;
    gap: clamp(1.1rem, 2.4vh, 1.9rem);
    justify-items: start;
  }
  .hero__title {
    font-family: var(--ff-display);
    font-optical-sizing: auto;
    font-variation-settings: "SOFT" 30, "WONK" 0;
    font-weight: 300;
    font-size: var(--step-5);
    line-height: .95;
    letter-spacing: -.04em;
    max-width: 15ch;
  }
  .hero__title em {
    font-style: italic;
    font-weight: 300;
    color: #e8a184;
  }
  .line { display: block; overflow: hidden; padding-bottom: .14em; }
  .line > span {
    display: block;
    transform: translateY(105%);
    animation: line-up 1.15s var(--ease) forwards;
  }
  .line:nth-child(2) > span { animation-delay: .12s; }
  @keyframes line-up { to { transform: none } }

  .hero__lede { font-size: var(--step-1); color: rgba(251,248,242,.74); max-width: 40ch; }
  .hero__lede strong { color: var(--marfim); font-weight: 500; }
  .hero__cta { display: flex; align-items: center; gap: clamp(1rem, 3vw, 2rem); flex-wrap: wrap; }

  .hero__scroll {
    position: absolute; left: 50%; bottom: 1.4rem;
    translate: -50% 0;
    width: 1px; height: 52px;
    background: rgba(251,248,242,.2);
    overflow: hidden;
  }
  .hero__scroll span {
    position: absolute; inset: 0;
    background: var(--terra);
    animation: scroll-hint 2.4s var(--ease-soft) infinite;
  }
  @keyframes scroll-hint {
    0% { transform: translateY(-100%) }
    60%, 100% { transform: translateY(100%) }
  }
  @media (max-width: 860px) { .hero__scroll { display: none } }

  /* FAIXA DE AUTORIDADE ------------------------------------ */
  .authority {
    background: var(--areia);
    border-bottom: 1px solid var(--line);
    padding: clamp(2rem, 5vh, 3.2rem) var(--pad);
  }
  .authority__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr));
    gap: clamp(1.5rem, 4vw, 3rem);
    max-width: var(--maxw);
    margin-inline: auto;
  }
  .authority__grid div { display: grid; gap: .1rem; }
  .authority dt {
    order: 2;
    font-family: var(--ff-mono);
    font-size: .68rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--suave);
  }
  .authority dd {
    order: 1;
    font-family: var(--ff-display);
    font-size: clamp(1.9rem, 3.4vw, 2.6rem);
    font-weight: 400;
    line-height: 1.05;
    letter-spacing: -.03em;
    font-variant-numeric: tabular-nums;
    color: var(--tinta);
  }
  .authority .plus { color: var(--terra); }
  .dd--word { font-size: clamp(1.15rem, 2vw, 1.5rem) !important; font-style: italic; font-weight: 300; }

  /* RECONHECER (manifesto) --------------------------------- */
  .recognize { position: relative; }
  .recognize__sticky {
    position: sticky; top: 0;
    min-height: 100svh;
    display: grid; align-content: center;
    gap: clamp(1.6rem, 4vh, 3rem);
    padding: 6rem var(--pad);
    max-width: calc(var(--maxw) + 2 * var(--pad));
    margin-inline: auto;
  }
  .recognize__text {
    font-family: var(--ff-display);
    font-optical-sizing: auto;
    font-variation-settings: "SOFT" 24;
    font-weight: 300;
    font-size: var(--step-4);
    line-height: 1.1;
    letter-spacing: -.032em;
    max-width: 21ch;
  }
  .recognize__text .w { color: rgba(251,248,242,.14); transition: color .16s linear; }
  .recognize__text .w.on { color: var(--marfim); }
  .recognize__after {
    font-size: var(--step-1);
    color: rgba(251,248,242,.62);
    max-width: 38ch;
    padding-left: 1.2rem;
    border-left: 1px solid var(--terra);
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .9s var(--ease), transform .9s var(--ease);
  }
  .recognize__after.on { opacity: 1; transform: none; }
  .recognize__spacer { height: 150svh; }

  /* QUEIXAS ------------------------------------------------- */
  .complaints {
    padding: clamp(5rem, 12vh, 8.5rem) var(--pad);
    display: grid;
    gap: clamp(2.5rem, 6vh, 4rem);
    max-width: calc(var(--maxw) + 2 * var(--pad));
    margin-inline: auto;
  }
  .complaints__head { display: grid; gap: 1.1rem; justify-items: start; }

  .cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr));
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    perspective: 1100px;
  }
  .card {
    position: relative;
    display: grid;
    gap: .75rem;
    align-content: start;
    padding: clamp(1.7rem, 3vw, 2.4rem);
    background: var(--marfim);
    transform-style: preserve-3d;
    overflow: hidden;
    transition: background-color .5s var(--ease);
  }
  .card:hover { background: #fff; }
  .card__num {
    font-family: var(--ff-mono);
    font-size: .7rem;
    letter-spacing: .14em;
    color: var(--terra);
  }
  .card__pain {
    font-family: var(--ff-display);
    font-style: italic;
    font-weight: 300;
    font-size: var(--step-1);
    line-height: 1.32;
    letter-spacing: -.012em;
    color: var(--tinta);
  }
  .card h3 {
    font-family: var(--ff-mono);
    font-size: .74rem;
    font-weight: 500;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--terra);
    padding-top: .3rem;
    border-top: 1px solid var(--line);
  }
  .card__body { color: var(--texto); font-size: .97rem; }
  .card__glow {
    position: absolute;
    width: 22rem; aspect-ratio: 1;
    left: var(--mx, 50%); top: var(--my, 50%);
    translate: -50% -50%;
    background: radial-gradient(circle, var(--terra-12), transparent 62%);
    opacity: 0;
    transition: opacity .5s var(--ease);
    pointer-events: none;
  }
  .card:hover .card__glow { opacity: 1; }

  /* AUTOTESTE ----------------------------------------------- */
  .selftest {
    background: var(--areia);
    border-block: 1px solid var(--line);
    padding: clamp(4rem, 11vh, 7.5rem) var(--pad);
  }
  .selftest__inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
    gap: clamp(2.5rem, 6vw, 5rem);
    align-items: start;
    max-width: var(--maxw);
    margin-inline: auto;
  }
  .selftest__intro { display: grid; gap: 1.1rem; position: sticky; top: 7rem; }
  .selftest__warn {
    font-size: .88rem;
    color: var(--suave);
    padding-left: 1rem;
    border-left: 2px solid var(--terra);
  }
  .selftest__form { display: grid; gap: 1.5rem; }
  .selftest__form fieldset { display: grid; gap: .1rem; }

  .check {
    display: flex;
    align-items: flex-start;
    gap: .9rem;
    padding: .95rem .3rem;
    border-bottom: 1px solid var(--line);
    cursor: pointer;
    transition: padding-left .4s var(--ease);
  }
  .check:hover { padding-left: .7rem; }
  .check input { position: absolute; opacity: 0; width: 0; height: 0; }
  .check__box {
    flex: none;
    width: 20px; height: 20px;
    margin-top: .22rem;
    border: 1px solid var(--line-2);
    border-radius: 4px;
    background: var(--marfim);
    display: grid; place-items: center;
    transition: background-color .35s var(--ease), border-color .35s var(--ease);
  }
  .check__box::after {
    content: "";
    width: 10px; height: 6px;
    border-left: 2px solid var(--marfim);
    border-bottom: 2px solid var(--marfim);
    rotate: -45deg;
    translate: 0 -1px;
    opacity: 0;
    scale: .6;
    transition: opacity .25s var(--ease), scale .25s var(--ease);
  }
  .check input:checked + .check__box { background: var(--terra); border-color: var(--terra); }
  .check input:checked + .check__box::after { opacity: 1; scale: 1; }
  .check input:focus-visible + .check__box { outline: 2px solid var(--terra); outline-offset: 3px; }
  .check__txt { color: var(--texto); font-size: .98rem; line-height: 1.5; }
  .check input:checked ~ .check__txt { color: var(--tinta); }

  .selftest__out {
    display: grid;
    gap: .4rem;
    padding: 1.2rem 1.4rem;
    background: var(--marfim);
    border: 1px solid var(--line);
    border-left: 3px solid var(--terra);
  }
  .selftest__score {
    font-family: var(--ff-mono);
    font-size: .72rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--suave);
  }
  .selftest__score b { color: var(--terra); font-size: 1.1rem; }
  .selftest__out p { color: var(--texto); font-size: .96rem; }
  .selftest__cta { justify-self: start; }

  /* MÉTODO --------------------------------------------------- */
  .method {
    position: relative;
    padding: clamp(5rem, 12vh, 8.5rem) var(--pad);
    display: grid;
    gap: clamp(3rem, 7vh, 4.5rem);
    justify-items: center;
    text-align: center;
    overflow: clip;
  }
  .method::before {
    content: "";
    position: absolute; inset: 0; z-index: -1;
    background: radial-gradient(ellipse 70% 45% at 50% 8%, var(--terra-12), transparent 68%);
  }
  .method__head { display: grid; gap: 1.1rem; justify-items: center; max-width: 46rem; }
  .method__head .lede { max-width: 44ch; }

  .pulse-wrap { display: grid; justify-items: center; gap: 2.2rem; }
  .pulse {
    position: relative;
    width: min(21rem, 60vw);
    aspect-ratio: 1;
    display: grid; place-items: center;
    perspective: 900px;
    transform-style: preserve-3d;
  }
  .pulse__ring {
    position: absolute; inset: 0;
    border: 1px solid var(--line-2);
    border-radius: 50%;
    transform-style: preserve-3d;
  }
  .pulse__ring--1 { animation: spin3d 20s linear infinite; border-color: var(--terra-22); }
  .pulse__ring--2 { inset: 14%; animation: spin3d 14s linear infinite reverse; border-color: rgba(184,92,56,.32); }
  .pulse__ring--3 { inset: 28%; animation: spin3d-y 24s linear infinite; }
  @keyframes spin3d   { from { transform: rotateX(72deg) rotateZ(0) } to { transform: rotateX(72deg) rotateZ(360deg) } }
  @keyframes spin3d-y { from { transform: rotateY(74deg) rotateZ(0) } to { transform: rotateY(74deg) rotateZ(-360deg) } }

  .pulse__core {
    width: 32%; aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle at 34% 30%, #d98b62, var(--terra) 48%, #7a3620 100%);
    box-shadow: 0 22px 60px -18px rgba(184,92,56,.7), inset 0 0 34px rgba(0,0,0,.28);
    animation: beat 2.8s var(--ease-soft) infinite;
  }
  @keyframes beat { 0%,100% { transform: scale(1) } 18% { transform: scale(1.07) } 36% { transform: scale(1) } }

  .pulse__wave {
    position: absolute; inset: 26%;
    border: 1px solid var(--terra);
    border-radius: 50%;
    opacity: 0;
    animation: emit 2.8s var(--ease-soft) infinite;
  }
  .pulse__wave--d { animation-delay: 1.4s; }
  @keyframes emit { 0% { transform: scale(.9); opacity: .55 } 100% { transform: scale(2.4); opacity: 0 } }

  .pulse__claim { display: grid; gap: .3rem; justify-items: center; }
  .pulse__num { display: flex; align-items: baseline; gap: .25rem; }
  .pulse__num strong {
    font-family: var(--ff-display);
    font-size: var(--step-4);
    font-weight: 300;
    line-height: 1;
    letter-spacing: -.04em;
    font-variant-numeric: tabular-nums;
  }
  .pulse__num .x {
    font-family: var(--ff-display);
    font-size: var(--step-3);
    font-weight: 300;
    color: var(--terra);
  }
  .pulse__txt { font-size: var(--step-1); color: var(--texto); max-width: 26ch; }

  .method__nots { display: flex; flex-wrap: wrap; gap: .6rem; justify-content: center; }
  .method__nots li {
    padding: .5rem 1.1rem;
    border: 1px solid var(--line-2);
    border-radius: 100px;
    font-size: var(--step--1);
    color: var(--texto);
  }

  /* PROTOCOLO (cards empilhados por sticky) ------------------- */
  .protocol {
    background: var(--areia);
    border-top: 1px solid var(--line);
    padding: clamp(4rem, 10vh, 7rem) var(--pad) 0;
  }
  .protocol__head {
    display: grid; gap: 1rem; justify-items: start;
    max-width: var(--maxw);
    margin-inline: auto;
    padding-bottom: clamp(2rem, 5vh, 3.5rem);
  }
  .protocol__stack {
    max-width: 52rem;
    margin-inline: auto;
    padding-bottom: clamp(4rem, 10vh, 7rem);
  }
  .stepc {
    position: sticky;
    top: calc(7rem + var(--i) * 1.15rem);
    display: grid;
    gap: .7rem;
    padding: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 1.4rem;
    background: var(--marfim);
    border: 1px solid var(--line);
    box-shadow: 0 24px 60px -40px rgba(32,28,24,.5);
  }
  .stepc__idx {
    font-family: var(--ff-mono);
    font-size: .7rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--terra);
  }
  .stepc h3 {
    font-family: var(--ff-display);
    font-size: var(--step-2);
    font-weight: 400;
    letter-spacing: -.022em;
    line-height: 1.1;
  }
  .stepc p { color: var(--texto); max-width: 46ch; }

  /* DESBLOQUEIO 3S -------------------------------------------- */
  .three-s {
    position: relative;
    padding: clamp(6rem, 15vh, 10rem) var(--pad);
    display: grid; place-items: center;
    text-align: center;
    overflow: clip;
  }
  .three-s__inner { display: grid; gap: 1.5rem; justify-items: center; max-width: 42rem; }
  .three-s .h2 { font-size: var(--step-4); }
  .three-s__body { font-size: var(--step-1); color: rgba(251,248,242,.72); max-width: 40ch; }
  .three-s__kicker {
    font-family: var(--ff-display);
    font-style: italic;
    font-size: var(--step-2);
    font-weight: 300;
    color: #e8a184;
    letter-spacing: -.02em;
  }
  /* retrato como textura de fundo: presença, não protagonismo.
     A sobreposição radial garante que o texto continue sobre quase-preto. */
  /* A imagem é estreita (590x1280). Esticada na seção inteira ela amplia demais
     e vira um rosto gigante atrás do texto. Fica numa coluna à direita, na
     proporção dela, derretendo no escuro em direção ao texto. */
  .three-s__bg {
    position: absolute;
    inset: 0 0 0 auto;
    width: min(38%, 26rem);
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
  }
  .three-s__bg img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: 50% 16%;
    opacity: .34;
    filter: grayscale(.5) contrast(1.03);
  }
  .three-s__bg::after {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(to right,
      var(--noite) 0,
      rgba(20, 16, 13, .72) 38%,
      rgba(20, 16, 13, .35) 100%);
  }
  @media (max-width: 760px) {
    .three-s__bg { inset: 0; width: 100%; }
    .three-s__bg img { opacity: .2; object-position: 60% 12%; }
    .three-s__bg::after {
      background: radial-gradient(ellipse 78% 60% at 50% 52%,
        rgba(20, 16, 13, .94) 30%, rgba(20, 16, 13, .6) 100%);
    }
  }
  .three-s__glow {
    position: absolute; z-index: 0;
    width: 66vw; aspect-ratio: 1;
    background: radial-gradient(circle, rgba(184,92,56,.20), transparent 62%);
    filter: blur(46px);
    pointer-events: none;
  }
  .three-s__inner { position: relative; z-index: 1; }

  /* SOBRE ------------------------------------------------------ */
  .about {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 21rem), 1fr));
    gap: clamp(2.5rem, 6vw, 5rem);
    align-items: center;
    padding: clamp(5rem, 12vh, 8.5rem) var(--pad);
    max-width: calc(var(--maxw) + 2 * var(--pad));
    margin-inline: auto;
  }
  .about__media { display: grid; gap: .8rem; }
  .about__frame {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 5;
    background: var(--areia-2);
    will-change: transform;
    clip-path: inset(0 0 100% 0);
    transition: clip-path 1.3s var(--ease);
  }
  .about__media.is-in .about__frame { clip-path: inset(0 0 0 0); }
  .about__frame img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: saturate(.72) contrast(1.03);
    transform: scale(1.05);
    transition: filter 1.1s var(--ease), transform 1.4s var(--ease);
  }
  .about__frame:hover img { filter: none; transform: scale(1.01); }
  .about__caption {
    font-family: var(--ff-mono);
    font-size: .66rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--suave);
  }

  .about__text { display: grid; gap: 1.2rem; align-content: center; }
  .about__text p { color: var(--texto); max-width: 44ch; }
  .about__quote { position: relative; padding-left: 1.4rem; }
  .about__quote::before {
    content: "";
    position: absolute; left: 0; top: .35rem; bottom: .35rem;
    width: 2px;
    background: linear-gradient(var(--terra), transparent);
  }
  .about__quote p {
    font-family: var(--ff-display);
    font-size: var(--step-2);
    font-weight: 400;
    line-height: 1.24;
    letter-spacing: -.022em;
    color: var(--tinta);
    max-width: 24ch;
  }
  .about__facts {
    display: flex; flex-wrap: wrap;
    gap: clamp(1.4rem, 4vw, 3rem);
    margin-top: .6rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
  }
  .about__facts div { display: grid; gap: .05rem; }
  .about__facts strong {
    font-family: var(--ff-display);
    font-size: var(--step-2);
    font-weight: 400;
    letter-spacing: -.03em;
  }
  .about__facts span {
    font-family: var(--ff-mono);
    font-size: .64rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--suave);
  }

  /* ONDE -------------------------------------------------------- */
  .where {
    padding: 0 var(--pad) clamp(4rem, 10vh, 7rem);
    display: grid;
    gap: clamp(2rem, 5vh, 3rem);
    max-width: calc(var(--maxw) + 2 * var(--pad));
    margin-inline: auto;
  }
  .where__head { display: grid; gap: 1rem; justify-items: start; }
  .where__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
  }
  .place {
    display: grid; gap: .3rem; align-content: center;
    padding: clamp(2rem, 4vw, 3rem);
    background: var(--marfim);
    min-height: 12rem;
    transition: background-color .5s var(--ease);
  }
  .place:hover { background: #fff; }
  .place__pin { width: 8px; height: 8px; border-radius: 50%; background: var(--terra); margin-bottom: .5rem; }
  .place h3 {
    font-family: var(--ff-display);
    font-size: var(--step-2);
    font-weight: 400;
    letter-spacing: -.022em;
  }
  .place p {
    font-family: var(--ff-mono);
    font-size: .68rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--suave);
  }
  /* a imagem é absoluta para não esticar a linha do grid com sua altura natural */
  .place--brand { position: relative; padding: 0; overflow: hidden; background: var(--noite); }
  .place--brand img {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    opacity: .85;
    transition: opacity .6s var(--ease), transform 1s var(--ease);
  }
  .place--brand:hover img { opacity: 1; transform: scale(1.04); }

  /* CTA FINAL ----------------------------------------------------- */
  .final {
    position: relative;
    padding: clamp(6rem, 15vh, 10rem) var(--pad);
    display: grid; place-items: center;
    text-align: center;
    overflow: clip;
  }
  .final__glow {
    position: absolute; z-index: 0; bottom: -32%;
    width: 88vw; aspect-ratio: 1.7;
    background: radial-gradient(ellipse, rgba(184,92,56,.24), transparent 62%);
    filter: blur(52px);
    pointer-events: none;
  }
  .final__inner {
    position: relative; z-index: 1;
    display: grid; gap: 1.5rem; justify-items: center; max-width: 40rem;
  }
  .final__title {
    font-family: var(--ff-display);
    font-optical-sizing: auto;
    font-weight: 300;
    font-size: var(--step-4);
    line-height: 1;
    letter-spacing: -.038em;
  }
  .final__title em { font-style: italic; font-weight: 300; color: #e8a184; }
  .final__title .line > span { animation: none; transform: translateY(105%); }
  .final__title.is-in .line > span { animation: line-up 1.05s var(--ease) forwards; }
  .final__title.is-in .line:nth-child(2) > span { animation-delay: .1s; }
  .final__lede { font-size: var(--step-1); color: rgba(251,248,242,.72); max-width: 34ch; }
  .final__micro {
    font-family: var(--ff-mono);
    font-size: .68rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: rgba(251,248,242,.42);
  }

  /* FOOTER --------------------------------------------------------- */
  .foot {
    padding: clamp(2.5rem, 5vh, 3.5rem) var(--pad) clamp(5rem, 8vh, 4rem);
    display: grid; gap: 1.8rem;
    background: var(--noite-2);
    color: rgba(251,248,242,.7);
    border-top: 1px solid rgba(251,248,242,.1);
  }
  .foot__row {
    display: flex; flex-wrap: wrap;
    gap: 1.4rem 2rem;
    justify-content: space-between;
    align-items: end;
    max-width: var(--maxw);
    margin-inline: auto;
    width: 100%;
  }
  .foot__brand { display: grid; gap: .15rem; }
  .foot__name { font-family: var(--ff-display); font-size: var(--step-1); font-weight: 500; color: var(--marfim); }
  .foot__sub { font-family: var(--ff-mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; opacity: .5; }
  .foot__links { display: flex; gap: 1.5rem; }
  .foot__links a {
    font-size: .84rem;
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
    transition: color .4s var(--ease), border-color .4s var(--ease);
  }
  .foot__links a:hover { color: var(--marfim); border-color: var(--terra); }
  .foot__legal {
    font-size: .74rem;
    line-height: 1.7;
    opacity: .45;
    max-width: var(--maxw);
    margin-inline: auto;
    width: 100%;
  }
}

/* ---------------------------------------------------------
   MOTION
   --------------------------------------------------------- */
@layer motion {
  .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition:
      opacity   .95s var(--ease) calc(var(--d, 0) * 90ms),
      transform .95s var(--ease) calc(var(--d, 0) * 90ms);
  }
  .reveal.is-in { opacity: 1; transform: none; }
  .reveal[data-delay="1"] { --d: 1 }
  .reveal[data-delay="2"] { --d: 2 }
  .reveal[data-delay="3"] { --d: 3 }
  .reveal[data-delay="4"] { --d: 4 }

  /* cards entram com leve inclinação 3D e depois ganham o tilt */
  .card {
    opacity: 0;
    transform: perspective(1000px) rotateX(7deg) translateY(28px);
    transition: opacity .9s var(--ease), transform .9s var(--ease), background-color .5s var(--ease);
  }
  .card.is-in { opacity: 1; transform: perspective(1000px) rotateX(0) translateY(0); }
  .card.is-in.tiltable { transition: transform .3s var(--ease-soft), background-color .5s var(--ease); }
  @media (hover: none) { .card.is-in { transform: none !important; } }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
      animation-duration: .001ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: .001ms !important;
    }
    .reveal, .card { opacity: 1 !important; transform: none !important; }
    .line > span { transform: none !important; }
    .recognize__text .w { color: var(--marfim) !important; }
    .recognize__after { opacity: 1 !important; transform: none !important; }
    .recognize__spacer { height: 0; }
    .recognize__sticky { position: static; min-height: 0; }
    .about__frame { clip-path: none !important; }
    .stepc { position: static; }
  }
}

/* --------- ajustes de tela pequena --------- */
@media (max-width: 760px) {
  .selftest__intro { position: static; }
  .stepc { top: calc(5.5rem + var(--i) * .9rem); }

  /* medidas em `ch` passam da largura da tela no celular: soltar todas */
  .hero__title, .hero__lede, .lede, .recognize__text, .recognize__after,
  .three-s__body, .about__quote p, .about__text p, .stepc p,
  .pulse__txt, .final__lede, .method__head .lede, .selftest__warn {
    max-width: 100%;
  }
}
/* tela curta: aperta o texto para o botão não cair fora da 1ª tela */
@media (max-width: 860px) and (max-height: 700px) {
  .hero { padding-top: 5rem; }
  .hero__lede { font-size: 1rem; }
}

@media (max-width: 640px) {
  .recognize__spacer { height: 110svh; }
  :root { --step-5: clamp(2.6rem, 1.1rem + 8vw, 8.5rem); }
}