/* ==========================================================
   DF Clinic · Dra. Daniane Ferrari · Design System v1
   Base de marca: Instagram @dradanianeferrari (creme, bronze, linha dourada com estrela,
   sans geométrica). Referências de estética: Olavita, Dra. Aline, Ingrid (respiro e layout)
   Base de movimento: Tiiv Vodka, Golden River
   (hairlines, ticker, reveal em cascata, clip-path)
   ========================================================== */

/* Fonte hospedada no proprio site (Montserrat variavel, subconjunto latin). Sem Google Fonts. */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 200 700;
  font-display: swap;
  src: url('../fonts/montserrat-200-700.woff2') format('woff2');
}

:root {
  /* Paleta medida nos posts do Instagram da Dra. (card "Preenchimento Estratégico", consultório) */
  --ink:        #1b1715;   /* texto e fundos escuros (títulos finos do post) */
  --ink-2:      #2a231f;
  --espresso:   #3a312b;
  --navy:       #0b1730;   /* azul marinho do figurino dela, uso pontual em fundos escuros */
  --cream:      #fcf4ec;   /* fundo dos posts dela */
  --sand:       #f4ece2;   /* seções alternadas */
  --gold:       #a2845a;   /* bronze dos títulos em negrito */
  --gold-deep:  #806248;   /* texto pequeno dourado com contraste AA */
  --gold-light: #d9b97a;   /* linha fina e estrela ornamental */
  --champagne:  #e9d9bd;   /* badges e bordas */
  --paper:      #ffffff;
  --whatsapp:   #25d366;

  /* Semântica */
  --bg:         var(--cream);
  --bg-alt:     var(--sand);
  --bg-dark:    var(--ink);
  --surface:    var(--paper);
  --text:       var(--ink);
  --text-2:     #5d5048;   /* corpo secundário, contraste AA sobre creme */
  --text-inv:   var(--cream);
  --text-inv-2: rgba(252, 244, 236, .72);
  --accent:     var(--gold-light);
  --accent-deep:var(--gold);
  --line:       rgba(27, 23, 21, .14);
  --line-strong:rgba(27, 23, 21, .32);
  --line-inv:   rgba(252, 244, 236, .22);

  /* Tipografia */
  --font-display: 'Montserrat', 'Poppins', system-ui, sans-serif;
  --font-body:    'Montserrat', 'Poppins', system-ui, sans-serif;

  --fs-eyebrow: .75rem;
  --fs-small:   .875rem;
  --fs-body:    1rem;
  --fs-lead:    clamp(1.0625rem, 1vw + .8rem, 1.25rem);
  --fs-h4:      clamp(1rem, .6vw + .85rem, 1.25rem);
  --fs-h3:      clamp(1.25rem, 1.2vw + 1rem, 1.75rem);
  --fs-h2:      clamp(1.75rem, 2.6vw + .9rem, 3rem);
  --fs-h1:      clamp(2.25rem, 5vw + .8rem, 4.75rem);

  /* Espaço (base 4) */
  --s-1: 4px;  --s-2: 8px;  --s-3: 12px; --s-4: 16px; --s-5: 24px;
  --s-6: 32px; --s-7: 48px; --s-8: 64px; --s-9: 96px;
  --gutter:  clamp(20px, 5vw, 72px);
  --section: clamp(72px, 9vw, 140px);
  --container: 1240px;
  --header: 76px;

  /* Forma */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 24px;
  --r-pill: 999px;
  --r-arch: 200px 200px 12px 12px;   /* assinatura: imagem em arco */
  --r-arch-sm: 120px 120px 10px 10px;

  /* Sombra (sempre baixa e quente, nunca preta pura) */
  --sh-1: 0 1px 2px rgba(58, 49, 43, .06), 0 4px 14px rgba(58, 49, 43, .06);
  --sh-2: 0 10px 30px rgba(58, 49, 43, .10);
  --sh-3: 0 24px 60px rgba(58, 49, 43, .16);

  /* Movimento */
  --ease:       cubic-bezier(.2, .72, .24, 1);
  --ease-out:   cubic-bezier(.16, 1, .3, 1);
  --t-fast: 200ms;
  --t-base: 400ms;
  --t-slow: 900ms;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font-body); font-size: var(--fs-body); font-weight: 400; line-height: 1.7;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--gold-light); color: var(--ink); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 300; line-height: 1.1; letter-spacing: .02em; text-transform: uppercase; margin: 0; }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); letter-spacing: .06em; }
/* assinatura dos posts: linha fina em caixa alta + palavra-chave em bronze bold */
h1 em, h2 em, h3 em, h4 em { font-style: normal; font-weight: 700; color: var(--accent-deep); display: block; }
p { margin: 0 0 1em; }
.lead { font-size: var(--fs-lead); color: var(--text-2); line-height: 1.65; }
.muted { color: var(--text-2); }
.small { font-size: var(--fs-small); }

.container { width: min(var(--container), 100% - var(--gutter) * 2); margin-inline: auto; }
.section { padding-block: var(--section); }
.bg-alt { background: var(--bg-alt); }
.bg-dark { background: var(--bg-dark); color: var(--text-inv); }
.bg-dark .lead, .bg-dark .muted { color: var(--text-inv-2); }
.bg-dark h1 em, .bg-dark h2 em, .bg-dark h3 em { color: var(--gold-light); }

/* ---------- Eyebrow (rótulo pequeno com linha) ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  font-size: var(--fs-eyebrow); font-weight: 500; letter-spacing: .26em; text-transform: uppercase; color: var(--gold-deep);
}
.eyebrow::before { content: ""; width: 40px; height: 1px; background: currentColor; transform-origin: left; }
.bg-dark .eyebrow { color: var(--champagne); }

/* ---------- Linhas (hairlines) ---------- */
.rule { height: 1px; border: 0; background: var(--line); margin: 0; }
.bg-dark .rule { background: var(--line-inv); }
.rule-ornament {
  display: flex; align-items: center; gap: 16px; color: var(--gold-light);
}
.rule-ornament::before, .rule-ornament::after { content: ""; flex: 1; height: 1px; background: currentColor; opacity: .5; }
.rule-ornament i { width: 14px; height: 14px; background: currentColor; clip-path: polygon(50% 0, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0 50%, 38% 38%); }  /* estrela de 4 pontas, como nos posts */
.frame-line {               /* moldura fina deslocada atrás da imagem */
  position: relative;
}
.frame-line::after {
  content: ""; position: absolute; inset: 16px -16px -16px 16px; border: 1px solid var(--gold);
  border-radius: inherit; z-index: -1; opacity: .7;
}

/* ---------- Botões ---------- */
.btn {
  --b-bg: var(--ink); --b-fg: var(--cream); --b-bd: var(--ink);
  position: relative; overflow: hidden; isolation: isolate;
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  padding: 16px 32px; border: 1px solid var(--b-bd); border-radius: var(--r-pill);
  background: var(--b-bg); color: var(--b-fg);
  font: 500 .8125rem/1 var(--font-body); letter-spacing: .16em; text-transform: uppercase;
  cursor: pointer; transition: color var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.btn::before {              /* preenchimento que sobe */
  content: ""; position: absolute; inset: 0; z-index: -1; background: var(--gold-light);
  transform: translateY(101%); transition: transform var(--t-base) var(--ease);
}
.btn:hover { color: var(--ink); border-color: var(--gold-light); }
.btn:hover::before { transform: translateY(0); }
.btn .arrow { transition: transform var(--t-base) var(--ease); }
.btn:hover .arrow { transform: translateX(5px); }
.btn-outline { --b-bg: transparent; --b-fg: var(--ink); --b-bd: var(--line-strong); }
.btn-outline::before { background: var(--ink); }
.btn-outline:hover { color: var(--cream); border-color: var(--ink); }
.bg-dark .btn { --b-bg: var(--cream); --b-fg: var(--ink); --b-bd: var(--cream); }
.bg-dark .btn-outline { --b-bg: transparent; --b-fg: var(--cream); --b-bd: var(--line-inv); }
.bg-dark .btn-outline::before { background: var(--cream); }
.bg-dark .btn-outline:hover { color: var(--ink); border-color: var(--cream); }
.btn-wa { --b-bg: var(--whatsapp); --b-fg: #fff; --b-bd: var(--whatsapp); }
.btn-wa::before { background: var(--ink); }
.btn-wa:hover { color: #fff; border-color: var(--ink); }
.link-line {                /* link com sublinhado que desenha */
  position: relative; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; font-size: .8125rem; padding-bottom: 6px;
}
.link-line::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor;
  transform-origin: right; transition: transform var(--t-base) var(--ease);
}
.link-line:hover::after { transform: scaleX(0); transform-origin: right; animation: line-redraw var(--t-base) var(--ease) forwards .2s; }
@keyframes line-redraw { from { transform: scaleX(0); transform-origin: left; } to { transform: scaleX(1); transform-origin: left; } }

/* ---------- Badge / chip ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: var(--r-pill);
  border: 1px solid var(--line-strong); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 500;
}
.chip-solid { background: var(--champagne); border-color: var(--champagne); color: var(--espresso); }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--header);
  display: flex; align-items: center; color: var(--cream);
  transition: background var(--t-base) var(--ease), color var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}
.header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.header.is-solid { background: rgba(252, 244, 236, .92); backdrop-filter: blur(14px); color: var(--ink); box-shadow: 0 1px 0 var(--line); }
.brand img { height: 54px; width: auto; transition: filter var(--t-base) var(--ease); }
.header.is-solid .brand img { filter: invert(1); }   /* logo branca vira preta sobre header claro */
.nav { display: flex; gap: 36px; }
.nav a { font-size: .8125rem; letter-spacing: .16em; text-transform: uppercase; font-weight: 400; position: relative; padding: 6px 0; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform var(--t-base) var(--ease); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }

/* ---------- Imagem em arco e cartões ---------- */
.arch { border-radius: var(--r-arch); overflow: hidden; }
.arch img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.arch:hover img { transform: scale(1.05); }
.img-reveal { clip-path: inset(0 0 100% 0 round var(--r-md)); transition: clip-path 1.1s var(--ease); }
.img-reveal.is-in { clip-path: inset(0 0 0 0 round var(--r-md)); }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden;
  transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--sh-2); border-color: var(--champagne); }
.card-media { aspect-ratio: 4 / 5; overflow: hidden; background: var(--sand); }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.card:hover .card-media img { transform: scale(1.06); }
.card-body { padding: 28px; display: grid; gap: 10px; }
.card-num { font-family: var(--font-display); font-weight: 700; color: var(--gold); font-size: .875rem; letter-spacing: .2em; }

/* ---------- Números / prova social ---------- */
.stat { display: grid; gap: 4px; }
.stat b { font-family: var(--font-display); font-weight: 700; font-size: clamp(2.5rem, 4vw, 3.75rem); line-height: 1; color: var(--accent-deep); }
.stat span { font-size: .8125rem; letter-spacing: .16em; text-transform: uppercase; color: var(--text-2); }
.quote { font-family: var(--font-display); font-weight: 300; font-size: clamp(1.25rem, 1.8vw + .7rem, 1.875rem); line-height: 1.4; }

/* ---------- Ticker (faixa em movimento) ---------- */
.ticker { overflow: hidden; border-block: 1px solid var(--line); padding-block: 22px; }
.ticker-track { display: flex; gap: 56px; width: max-content; animation: ticker 38s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-track span { font-family: var(--font-display); font-weight: 300; text-transform: uppercase; letter-spacing: .12em; font-size: clamp(1rem, 1.6vw, 1.5rem); white-space: nowrap; display: inline-flex; align-items: center; gap: 56px; }
.ticker-track span::after { content: ""; width: 12px; height: 12px; background: var(--gold-light); clip-path: polygon(50% 0, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0 50%, 38% 38%); }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- Acordeão (FAQ) ---------- */
.acc { border-top: 1px solid var(--line); }
.acc details { border-bottom: 1px solid var(--line); }
.acc summary { list-style: none; cursor: pointer; padding: 24px 0; display: flex; justify-content: space-between; align-items: center; gap: 24px; font-family: var(--font-display); font-weight: 400; font-size: 1rem; letter-spacing: .06em; text-transform: uppercase; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "+"; font-family: var(--font-body); font-weight: 200; font-size: 1.75rem; transition: transform var(--t-base) var(--ease); }
.acc details[open] summary::after { transform: rotate(45deg); }
.acc details > div { padding: 0 0 24px; color: var(--text-2); max-width: 62ch; }

/* ---------- Formulário ---------- */
.field { display: grid; gap: 8px; }
.field label { font-size: .75rem; letter-spacing: .16em; text-transform: uppercase; font-weight: 500; color: var(--gold-deep); }
.field input, .field select, .field textarea {
  font: inherit; color: var(--text); background: transparent; border: 0; border-bottom: 1px solid var(--line-strong);
  padding: 12px 0; border-radius: 0; transition: border-color var(--t-fast);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-bottom-color: var(--ink); box-shadow: 0 1px 0 var(--ink); }

/* ---------- WhatsApp flutuante ---------- */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 60; width: 58px; height: 58px; border-radius: 50%;
  background: var(--whatsapp); color: #fff; display: grid; place-items: center; box-shadow: 0 10px 28px rgba(37, 211, 102, .4);
  transition: transform var(--t-base) var(--ease);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float::before { content: ""; position: absolute; inset: 0; border-radius: 50%; border: 1px solid var(--whatsapp); animation: pulse 2.4s var(--ease) infinite; }
@keyframes pulse { from { transform: scale(1); opacity: .8; } to { transform: scale(1.7); opacity: 0; } }

/* ---------- Reveal ao rolar (classe .js no <html>) ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease); transition-delay: var(--d, 0ms); }
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js [data-line] { transform: scaleX(0); transform-origin: left; transition: transform 1.2s var(--ease); transition-delay: var(--d, 0ms); }
.js [data-line].is-in { transform: scaleX(1); }
.js .eyebrow[data-reveal]::before { transform: scaleX(0); transition: transform 1s var(--ease) .2s; }
.js .eyebrow[data-reveal].is-in::before { transform: scaleX(1); }
.split-line { display: block; overflow: hidden; padding-block: .1em .16em; margin-block: -.1em -.16em; }          /* título entra linha a linha */
.split-line > span { display: block; transform: translateY(110%); transition: transform 1s var(--ease-out); transition-delay: var(--d, 0ms); }
.is-in .split-line > span, .split-line.is-in > span { transform: none; }

@media (max-width: 860px) {
  .nav { display: none; }
  :root { --header: 64px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .js [data-reveal], .js [data-line], .split-line > span { opacity: 1; transform: none; }
  .img-reveal { clip-path: none; }
}