/* =========================================================================
   marioterciojr.com.br — Design System
   Dr. Mario Tercio Jr | Neurologia Pediátrica | Manaus, AM
   ========================================================================= */

/* ---------- 1. Tokens ---------- */
:root {
  /* Cor */
  --ink:          #0E181E;
  --ink-2:        #23343D;
  --ink-3:        #556A76;
  --ink-4:        #8B9BA5;

  --cream:        #FBF8F3;
  --cream-2:      #F3EDE3;
  --sand:         #E7DCCB;

  --deep:         #0B403C;
  --deep-2:       #0F5651;
  --deep-3:       #157A72;
  --mint:         #DCEBE7;
  --mint-2:       #EFF7F5;

  --amber:        #C97B3C;
  --amber-2:      #E8A967;
  --amber-tint:   #FBEEE0;

  --white:        #FFFFFF;
  --line:         color-mix(in srgb, var(--ink) 10%, transparent);
  --line-2:       color-mix(in srgb, var(--ink) 16%, transparent);

  /* Tipografia */
  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-sans:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --step--2: clamp(0.72rem, 0.70rem + 0.10vw, 0.78rem);
  --step--1: clamp(0.84rem, 0.81rem + 0.16vw, 0.94rem);
  --step-0:  clamp(1.00rem, 0.96rem + 0.22vw, 1.13rem);
  --step-1:  clamp(1.20rem, 1.12rem + 0.40vw, 1.45rem);
  --step-2:  clamp(1.45rem, 1.30rem + 0.72vw, 1.95rem);
  --step-3:  clamp(1.80rem, 1.52rem + 1.35vw, 2.75rem);
  --step-4:  clamp(2.20rem, 1.70rem + 2.45vw, 3.95rem);
  --step-5:  clamp(2.70rem, 1.85rem + 4.10vw, 5.60rem);

  /* Espaço */
  --sp-1: 0.5rem;
  --sp-2: 0.875rem;
  --sp-3: 1.375rem;
  --sp-4: 2.25rem;
  --sp-5: 3.5rem;
  --sp-6: 5.5rem;
  --sp-7: 8rem;
  --sp-8: 11rem;

  /* Layout */
  --wrap: 1240px;
  --wrap-narrow: 760px;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --radius: 18px;
  --radius-lg: 28px;
  --radius-xl: 40px;

  /* Sombra */
  --shadow-s: 0 1px 2px rgba(14,24,30,.05), 0 4px 14px rgba(14,24,30,.05);
  --shadow-m: 0 2px 6px rgba(14,24,30,.05), 0 18px 44px -12px rgba(14,24,30,.16);
  --shadow-l: 0 4px 12px rgba(14,24,30,.06), 0 40px 90px -24px rgba(11,64,60,.28);

  /* Movimento */
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
  --dur: 720ms;
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}
body {
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--ink-2);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.022em;
  color: var(--ink);
  font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 40;
  text-wrap: balance;
}
p { text-wrap: pretty; }
::selection { background: var(--deep); color: var(--cream); }

/* ---------- 3. Utilitários ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.wrap-narrow { width: 100%; max-width: var(--wrap-narrow); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(4rem, 10vw, var(--sp-7)); position: relative; }
.section--tight { padding-block: clamp(3rem, 7vw, var(--sp-6)); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 50%; translate: -50% -140%;
  z-index: 999; background: var(--deep); color: var(--cream);
  padding: .75rem 1.25rem; border-radius: 0 0 12px 12px; transition: translate .2s;
}
.skip-link:focus { translate: -50% 0; }

:where(a, button, summary, [tabindex]):focus-visible {
  outline: 2.5px solid var(--deep-3);
  outline-offset: 3px;
  border-radius: 6px;
}

/* Eyebrow */
.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: var(--step--2); font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--deep-3);
}
.eyebrow::before {
  content: ""; width: 26px; height: 1px; background: currentColor; opacity: .6;
}
.eyebrow--center::after {
  content: ""; width: 26px; height: 1px; background: currentColor; opacity: .6;
}

.lede { font-size: var(--step-1); line-height: 1.55; color: var(--ink-3); }
.muted { color: var(--ink-3); }
.small { font-size: var(--step--1); }

/* ---------- 4. Botões ---------- */
.btn {
  --btn-bg: var(--deep);
  --btn-fg: var(--cream);
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: .65rem;
  padding: 1.05rem 1.9rem;
  background: var(--btn-bg); color: var(--btn-fg);
  border: 1px solid transparent; border-radius: 999px;
  font-size: var(--step--1); font-weight: 600; letter-spacing: .01em;
  cursor: pointer; overflow: hidden; isolation: isolate;
  transition: transform .45s var(--ease-out), box-shadow .45s var(--ease-out), background .3s;
  box-shadow: var(--shadow-s);
  white-space: nowrap;
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(120% 160% at 50% 120%, var(--deep-3) 0%, transparent 60%);
  opacity: 0; transition: opacity .5s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-m); }
.btn:hover::before { opacity: 1; }
.btn:active { transform: translateY(0); }
.btn svg { width: 18px; height: 18px; flex: none; }

.btn--amber { --btn-bg: var(--amber); --btn-fg: #fff; }
.btn--amber::before { background: radial-gradient(120% 160% at 50% 120%, var(--amber-2) 0%, transparent 60%); }
.btn--ghost {
  --btn-bg: transparent; --btn-fg: var(--ink);
  border-color: var(--line-2); box-shadow: none;
}
.btn--ghost:hover { background: var(--white); border-color: transparent; }
.btn--ghost::before { display: none; }
.btn--light { --btn-bg: var(--cream); --btn-fg: var(--deep); }
.btn--light::before { background: radial-gradient(120% 160% at 50% 120%, var(--white) 0%, transparent 60%); }

.btn-row { display: flex; flex-wrap: wrap; gap: .875rem; align-items: center; }

/* Link com seta */
.arrow-link {
  display: inline-flex; align-items: center; gap: .5rem;
  font-weight: 600; font-size: var(--step--1); color: var(--deep-2);
  padding-bottom: 2px;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1.5px; background-repeat: no-repeat; background-position: 0 100%;
  transition: background-size .45s var(--ease-out);
}
.arrow-link:hover { background-size: 100% 1.5px; }
.arrow-link svg { width: 15px; transition: translate .35s var(--ease-out); }
.arrow-link:hover svg { translate: 4px 0; }

/* ---------- 5. Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  padding-block: 1.15rem;
  transition: background .5s var(--ease), padding .5s var(--ease), box-shadow .5s var(--ease), border-color .5s;
  border-bottom: 1px solid transparent;
}
.site-header.is-stuck {
  background: color-mix(in srgb, var(--cream) 82%, transparent);
  backdrop-filter: saturate(1.6) blur(16px);
  -webkit-backdrop-filter: saturate(1.6) blur(16px);
  padding-block: .7rem;
  border-bottom-color: var(--line);
}
.site-header.is-hidden { translate: 0 -110%; }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.brand { display: flex; align-items: center; gap: .8rem; }
.brand__mark {
  width: 42px; height: 42px; flex: none; border-radius: 13px;
  background: var(--deep); color: var(--cream);
  display: grid; place-items: center; object-fit: cover;
  font-family: var(--font-display); font-size: 1.05rem; letter-spacing: -.03em;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--ink) 8%, transparent), var(--shadow-s);
  transition: transform .5s var(--ease-out), box-shadow .5s var(--ease-out);
}
img.brand__mark { display: block; }
.brand:hover .brand__mark { box-shadow: 0 0 0 2px var(--deep-3), var(--shadow-m); }
.brand:hover .brand__mark { transform: rotate(-6deg) scale(1.04); }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-family: var(--font-display); font-size: 1.05rem; color: var(--ink); }
.brand__role { font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }

.nav { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2rem); }
.nav a { font-size: var(--step--1); font-weight: 500; color: var(--ink-2); position: relative; padding-block: .35rem; }
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1.5px; width: 100%;
  background: var(--deep-3); transform-origin: right; scale: 0 1;
  transition: scale .4s var(--ease-out);
}
.nav a:hover::after, .nav a[aria-current="page"]::after { transform-origin: left; scale: 1 1; }

.header-cta { display: none; }
@media (min-width: 1024px) { .header-cta { display: inline-flex; } }

.nav-toggle {
  display: grid; place-items: center; width: 46px; height: 46px;
  background: var(--white); border: 1px solid var(--line-2); border-radius: 999px; cursor: pointer;
}
.nav-toggle span { display: block; width: 18px; height: 1.5px; background: var(--ink); transition: .35s var(--ease); }
.nav-toggle span + span { margin-top: 5px; }
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.25px) rotate(-45deg); }

@media (max-width: 899px) {
  .nav {
    position: fixed; inset: 0; z-index: 90;
    flex-direction: column; justify-content: center; gap: 1.5rem;
    background: var(--cream);
    clip-path: circle(0% at calc(100% - 46px) 46px);
    transition: clip-path .7s var(--ease-out);
    pointer-events: none;
  }
  .nav.is-open { clip-path: circle(150% at calc(100% - 46px) 46px); pointer-events: auto; }
  .nav a { font-family: var(--font-display); font-size: var(--step-2); }
}
@media (min-width: 900px) { .nav-toggle { display: none; } }

/* Barra de progresso de leitura */
.progress-bar {
  position: fixed; top: 0; left: 0; z-index: 101; height: 2px; width: 100%;
  background: linear-gradient(90deg, var(--deep-3), var(--amber));
  transform-origin: 0 50%; scale: var(--p, 0) 1;
}

/* ---------- 6. Hero ---------- */
.hero {
  position: relative; isolation: isolate;
  min-height: 100svh;
  display: grid; align-items: center;
  padding-top: clamp(7rem, 14vh, 10rem); padding-bottom: clamp(3rem, 8vh, 6rem);
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: -2; background: var(--cream); }
.hero__blob {
  position: absolute; border-radius: 50%; filter: blur(70px); opacity: .5;
  will-change: transform;
}
.hero__blob--a { width: 46vw; height: 46vw; left: -10vw; top: -8vw;  background: var(--mint); }
.hero__blob--b { width: 38vw; height: 38vw; right: -8vw; top: 18vh; background: var(--amber-tint); opacity: .75; }
.hero__blob--c { width: 30vw; height: 30vw; left: 30vw; bottom: -12vw; background: var(--cream-2); }
.hero__grain {
  position: absolute; inset: 0; z-index: -1; opacity: .32; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.4'/%3E%3C/svg%3E");
}

.hero__grid {
  display: grid; gap: clamp(2.5rem, 6vw, 4.5rem);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 1000px) { .hero__grid { grid-template-columns: 1.05fr .95fr; } }

.hero h1 {
  font-size: var(--step-5);
  font-variation-settings: "SOFT" 8, "WONK" 1, "opsz" 144;
  margin-block: 1.1rem 1.5rem;
}
.hero h1 em {
  font-style: normal; color: var(--deep);
  position: relative; white-space: nowrap;
}
.hero h1 em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: .04em; height: .32em;
  background: var(--amber-2); opacity: .28; z-index: -1; border-radius: 4px;
  transform-origin: left; scale: 0 1;
  animation: underline-in 1.1s .9s var(--ease-out) forwards;
}
@keyframes underline-in { to { scale: 1 1; } }

.hero__meta {
  display: flex; flex-wrap: wrap; gap: .5rem .75rem; margin-top: 2.25rem;
}
.chip {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .45rem .9rem; border-radius: 999px;
  background: color-mix(in srgb, var(--white) 70%, transparent);
  border: 1px solid var(--line);
  font-size: var(--step--2); font-weight: 500; color: var(--ink-2);
  backdrop-filter: blur(6px);
}
.chip__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--deep-3); flex: none; }

/* Retrato */
.portrait { position: relative; }
.portrait__frame {
  position: relative; aspect-ratio: 4 / 5; border-radius: var(--radius-xl);
  overflow: hidden; background: var(--mint); box-shadow: var(--shadow-l);
}
.portrait__frame img { width: 100%; height: 100%; object-fit: cover; }
.portrait__ph {
  position: absolute; inset: 0; display: grid; place-content: center; gap: .6rem; text-align: center;
  background: linear-gradient(160deg, var(--mint), var(--cream-2));
  color: var(--deep); padding: 2rem;
}
.portrait__ph strong { font-family: var(--font-display); font-size: var(--step-2); }
.portrait__badge {
  position: absolute; left: -1.25rem; bottom: 2.5rem;
  background: var(--white); border-radius: 20px; padding: 1rem 1.35rem;
  box-shadow: var(--shadow-m); display: grid; gap: .1rem; max-width: 230px;
}
.portrait__badge b { font-family: var(--font-display); font-size: var(--step-2); color: var(--deep); line-height: 1; }
.portrait__badge span { font-size: var(--step--2); color: var(--ink-3); line-height: 1.35; }

.scroll-cue {
  position: absolute; left: 50%; bottom: 2rem; translate: -50% 0;
  display: grid; justify-items: center; gap: .5rem;
  font-size: var(--step--2); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-4);
}
.scroll-cue__line { width: 1px; height: 42px; background: var(--line-2); position: relative; overflow: hidden; }
.scroll-cue__line::after {
  content: ""; position: absolute; inset: 0; background: var(--deep-3);
  animation: cue 2.2s var(--ease) infinite;
}
@keyframes cue { 0% { translate: 0 -100%; } 60%,100% { translate: 0 100%; } }

/* ---------- 7. Blocos de conteúdo ---------- */
.section-head { max-width: 62ch; display: grid; gap: 1rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head--center { margin-inline: auto; text-align: center; justify-items: center; }
.section-head h2 { font-size: var(--step-4); }
.section-head--center h2 { text-wrap: balance; }

.card {
  position: relative; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: clamp(1.5rem, 3vw, 2.25rem);
  display: grid; gap: .75rem; align-content: start;
  transition: transform .55s var(--ease-out), box-shadow .55s var(--ease-out), border-color .4s;
  overflow: hidden;
}
.card::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 3px;
  background: linear-gradient(90deg, var(--deep-3), var(--amber));
  transform-origin: left; scale: 0 1; transition: scale .6s var(--ease-out);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-m); border-color: transparent; }
.card:hover::after { scale: 1 1; }
.card h3 { font-size: var(--step-1); }
.card p { font-size: var(--step--1); color: var(--ink-3); }
.card__icon {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center;
  background: var(--mint-2); color: var(--deep); margin-bottom: .35rem;
}
.card__icon svg { width: 22px; height: 22px; }
a.card { cursor: pointer; }
a.card .arrow-link { margin-top: .5rem; }

.grid { display: grid; gap: clamp(1rem, 2vw, 1.5rem); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); }

/* Seção escura */
.section--deep {
  background: var(--deep); color: color-mix(in srgb, var(--cream) 82%, transparent);
  border-radius: var(--radius-xl); margin-inline: clamp(.5rem, 2vw, 1.5rem);
  overflow: hidden; position: relative; isolation: isolate;
}
.section--deep h2, .section--deep h3 { color: var(--cream); }
.section--deep .eyebrow { color: var(--amber-2); }
.section--deep .lede { color: color-mix(in srgb, var(--cream) 72%, transparent); }
.section--deep::before {
  content: ""; position: absolute; z-index: -1; inset: -30% -10% auto -10%; height: 70%;
  background: radial-gradient(50% 60% at 30% 0%, rgba(232,169,103,.22), transparent 70%);
}

/* Lista de sinais */
.signals { display: grid; gap: 1px; background: var(--line); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); }
.signal {
  background: var(--white); padding: clamp(1.25rem, 2.4vw, 1.85rem);
  display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: start;
  transition: background .4s var(--ease);
}
.signal:hover { background: var(--mint-2); }
.signal__num {
  font-family: var(--font-display); font-size: var(--step--1); color: var(--deep-3);
  border: 1px solid var(--line-2); border-radius: 999px;
  width: 34px; height: 34px; display: grid; place-items: center; flex: none;
}
.signal h3 { font-size: var(--step-0); font-family: var(--font-sans); font-weight: 650; letter-spacing: 0; }
.signal p { font-size: var(--step--1); color: var(--ink-3); margin-top: .2rem; }
@media (min-width: 760px) { .signals { grid-template-columns: 1fr 1fr; } }

/* Passos (sticky) */
.steps { display: grid; gap: clamp(2rem, 5vw, 4rem); }
@media (min-width: 960px) { .steps { grid-template-columns: .85fr 1.15fr; align-items: start; } }
.steps__sticky { position: sticky; top: 120px; }
.step {
  padding-block: clamp(1.5rem, 3vw, 2.25rem); border-top: 1px solid var(--line);
  display: grid; grid-template-columns: auto 1fr; gap: 1.25rem;
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step__n {
  font-family: var(--font-display); font-size: var(--step-2); color: var(--deep-3);
  line-height: 1; min-width: 2.5ch;
}
.step h3 { font-size: var(--step-1); margin-bottom: .35rem; }
.step p { color: var(--ink-3); font-size: var(--step--1); }

/* Números */
.stats { display: grid; gap: clamp(1.5rem, 3vw, 2.5rem); grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr)); }
.stat { display: grid; gap: .35rem; }
.stat b {
  font-family: var(--font-display); font-size: var(--step-4); line-height: 1;
  color: var(--cream); font-variation-settings: "SOFT" 6, "opsz" 100;
}
.stat span { font-size: var(--step--1); color: color-mix(in srgb, var(--cream) 66%, transparent); }
.stat b small { font-size: .45em; font-weight: 600; margin-left: .05em; }

/* FAQ */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; padding-block: clamp(1.15rem, 2.4vw, 1.6rem);
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  font-family: var(--font-display); font-size: var(--step-1); color: var(--ink);
  transition: color .3s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--deep-2); }
.faq summary::after {
  content: ""; flex: none; width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid var(--line-2);
  background:
    linear-gradient(currentColor, currentColor) center/11px 1.5px no-repeat,
    linear-gradient(currentColor, currentColor) center/1.5px 11px no-repeat;
  transition: rotate .45s var(--ease-out), background-size .45s var(--ease-out);
}
.faq details[open] summary::after { rotate: 135deg; }
.faq__body { padding-bottom: 1.6rem; max-width: 68ch; color: var(--ink-3); display: grid; gap: .9rem; }
.faq details[open] .faq__body { animation: faq-in .5s var(--ease-out); }
@keyframes faq-in { from { opacity: 0; translate: 0 -8px; } }

/* Citação */
.pull {
  font-family: var(--font-display); font-size: var(--step-3); line-height: 1.25;
  color: var(--ink); max-width: 22ch; font-variation-settings: "SOFT" 10, "WONK" 1, "opsz" 100;
}

/* CTA final */
.cta-band {
  background: var(--deep); color: var(--cream);
  border-radius: var(--radius-xl); padding: clamp(2.5rem, 6vw, 5rem);
  display: grid; gap: 2rem; position: relative; overflow: hidden; isolation: isolate;
}
.cta-band::before {
  content: ""; position: absolute; z-index: -1; inset: auto -20% -60% -20%; height: 120%;
  background: radial-gradient(50% 50% at 50% 100%, rgba(232,169,103,.28), transparent 70%);
}
.cta-band h2 { color: var(--cream); font-size: var(--step-4); max-width: 18ch; }
.cta-band p { color: color-mix(in srgb, var(--cream) 74%, transparent); max-width: 52ch; }
@media (min-width: 900px) { .cta-band { grid-template-columns: 1.2fr .8fr; align-items: center; } }

/* Contato */
.contact-grid { display: grid; gap: clamp(1.5rem, 3vw, 2.5rem); }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
.info-list { display: grid; gap: 1.5rem; }
.info-item { display: grid; grid-template-columns: auto 1fr; gap: 1rem; align-items: start; }
.info-item svg { width: 20px; height: 20px; color: var(--deep-3); margin-top: .25rem; flex: none; }
.info-item dt { font-size: var(--step--2); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-4); }
.info-item dd { margin: 0; font-size: var(--step-0); color: var(--ink); }

/* Formulário */
.form { display: grid; gap: 1rem; }
.field { display: grid; gap: .4rem; }
.field label { font-size: var(--step--2); font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.field input, .field select, .field textarea {
  width: 100%; padding: .95rem 1.1rem; border-radius: 14px;
  border: 1px solid var(--line-2); background: var(--white); color: var(--ink);
  transition: border-color .3s, box-shadow .3s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--deep-3);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--deep-3) 14%, transparent);
}
.field textarea { min-height: 120px; resize: vertical; }

/* ---------- 8. Footer ---------- */
.site-footer {
  background: var(--ink); color: color-mix(in srgb, var(--cream) 70%, transparent);
  padding-block: clamp(3.5rem, 7vw, 5.5rem) 2rem; margin-top: clamp(3rem, 7vw, 5rem);
}
.site-footer a { color: color-mix(in srgb, var(--cream) 78%, transparent); transition: color .3s; }
.site-footer a:hover { color: var(--white); }
.site-footer h4 {
  color: var(--cream); font-family: var(--font-sans); font-size: var(--step--2);
  letter-spacing: .14em; text-transform: uppercase; font-weight: 600; margin-bottom: 1.1rem;
}
.footer-grid { display: grid; gap: 2.5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
.footer-grid ul { list-style: none; padding: 0; display: grid; gap: .6rem; font-size: var(--step--1); }
.footer-bottom {
  margin-top: 3.5rem; padding-top: 1.75rem; border-top: 1px solid rgba(251,248,243,.12);
  display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between;
  font-size: var(--step--2); color: color-mix(in srgb, var(--cream) 55%, transparent);
}
.legal-note {
  font-size: var(--step--2); line-height: 1.6;
  color: color-mix(in srgb, var(--cream) 52%, transparent); max-width: 70ch;
}

/* WhatsApp flutuante */
.wa-float {
  position: fixed; right: clamp(1rem, 3vw, 2rem); bottom: clamp(1rem, 3vw, 2rem); z-index: 95;
  width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center;
  background: #25D366; color: #fff; box-shadow: 0 10px 30px -8px rgba(37,211,102,.6);
  transition: transform .5s var(--ease-out), opacity .4s;
  opacity: 0; pointer-events: none; transform: scale(.6);
}
.wa-float.is-visible { opacity: 1; pointer-events: auto; transform: scale(1); }
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 28px; height: 28px; }

/* ---------- 9. Animações de scroll (bidirecionais) ---------- */
[data-anim] {
  --anim-y: 34px;
  --anim-x: 0px;
  --anim-scale: 1;
  --anim-blur: 0px;
  opacity: 0;
  translate: var(--anim-x) var(--anim-y);
  scale: var(--anim-scale);
  filter: blur(var(--anim-blur));
  transition:
    opacity var(--dur) var(--ease-out),
    translate var(--dur) var(--ease-out),
    scale var(--dur) var(--ease-out),
    filter calc(var(--dur) * .8) var(--ease-out);
  transition-delay: var(--anim-delay, 0ms);
  will-change: opacity, translate;
}
[data-anim].is-in { opacity: 1; translate: 0 0; scale: 1; filter: blur(0); }

/* variantes */
[data-anim="fade"]      { --anim-y: 0px; }
[data-anim="up"]        { --anim-y: 40px; }
[data-anim="down"]      { --anim-y: -34px; }
[data-anim="left"]      { --anim-x: 46px; --anim-y: 0px; }
[data-anim="right"]     { --anim-x: -46px; --anim-y: 0px; }
[data-anim="zoom"]      { --anim-scale: .93; --anim-y: 18px; }
[data-anim="soft"]      { --anim-y: 26px; --anim-blur: 8px; }

/* direção da rolagem: quando sobe, o elemento vem do lado oposto */
html[data-scroll-dir="up"] [data-anim="up"]:not(.is-in)   { --anim-y: -40px; }
html[data-scroll-dir="up"] [data-anim="down"]:not(.is-in) { --anim-y: 34px; }
html[data-scroll-dir="up"] [data-anim="soft"]:not(.is-in) { --anim-y: -26px; }

/* texto por linha */
.split-line { display: block; overflow: hidden; }
.split-line > span {
  display: block; translate: 0 105%;
  transition: translate 1s var(--ease-out); transition-delay: var(--anim-delay, 0ms);
}
.is-in .split-line > span, .split-line.is-in > span { translate: 0 0; }
html[data-scroll-dir="up"] .split-line:not(.is-in) > span { translate: 0 -105%; }

/* parallax leve */
[data-parallax] { will-change: transform; }

/* revelação de imagem */
.reveal-img { position: relative; overflow: hidden; border-radius: var(--radius-lg); }
.reveal-img::after {
  content: ""; position: absolute; inset: 0; background: var(--cream);
  transform-origin: bottom; transition: scale 1.05s var(--ease-out); scale: 1 1;
}
.reveal-img.is-in::after { scale: 1 0; }

/* linha que cresce */
.grow-line { height: 1px; background: var(--line-2); transform-origin: left; scale: 0 1; transition: scale 1.1s var(--ease-out); }
.grow-line.is-in { scale: 1 1; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    transition-duration: .01ms !important; scroll-behavior: auto !important;
  }
  [data-anim] { opacity: 1 !important; translate: none !important; scale: 1 !important; filter: none !important; }
  .split-line > span { translate: none !important; }
  .reveal-img::after { display: none; }
  .grow-line { scale: 1 1; }
}

/* ---------- 10. Página de conteúdo ---------- */
.page-hero {
  padding-top: clamp(8rem, 16vh, 12rem); padding-bottom: clamp(2.5rem, 5vw, 4rem);
  background: linear-gradient(180deg, var(--mint-2), var(--cream));
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { font-size: var(--step-4); max-width: 20ch; margin-block: 1rem; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: .5rem; font-size: var(--step--2); color: var(--ink-4); }
.breadcrumb a:hover { color: var(--deep-2); }
.breadcrumb li { list-style: none; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; margin: 0; }
.breadcrumb li + li::before { content: "/"; margin-right: .5rem; color: var(--ink-4); }

.prose { max-width: 72ch; display: grid; gap: 1.35rem; }
.prose h2 { font-size: var(--step-3); margin-top: 1.5rem; }
.prose h3 { font-size: var(--step-1); margin-top: .75rem; }
.prose ul, .prose ol { display: grid; gap: .6rem; padding-left: 1.3rem; color: var(--ink-3); }
.prose li::marker { color: var(--deep-3); }
.prose strong { color: var(--ink); font-weight: 650; }
.prose blockquote {
  border-left: 3px solid var(--amber); padding-left: 1.35rem; margin: .5rem 0;
  font-family: var(--font-display); font-size: var(--step-1); color: var(--ink); line-height: 1.4;
}
.answer-box {
  background: var(--mint-2); border: 1px solid color-mix(in srgb, var(--deep-3) 18%, transparent);
  border-radius: var(--radius); padding: clamp(1.25rem, 2.5vw, 1.75rem); display: grid; gap: .6rem;
}
.answer-box h2, .answer-box h3 { font-size: var(--step-0); font-family: var(--font-sans); font-weight: 700; letter-spacing: .01em; margin: 0; }
.answer-box p { color: var(--ink-2); }

.toc {
  position: sticky; top: 120px; align-self: start;
  border-left: 1px solid var(--line); padding-left: 1.25rem; display: grid; gap: .55rem;
}
.toc a { font-size: var(--step--1); color: var(--ink-3); transition: color .3s; }
.toc a:hover, .toc a.is-active { color: var(--deep-2); font-weight: 600; }
.article-layout { display: grid; gap: clamp(2rem, 5vw, 4rem); }
@media (min-width: 1000px) { .article-layout { grid-template-columns: 220px 1fr; } }