/* =========================================================================
   THERA GENETICS — peptídeos de pesquisa (PT-BR)
   Sistema visual: navy clínico profundo + ciano (acento) + prata
   Títulos: Rubik · Corpo: Roboto · Elegante: Fraunces (serif humanista)
   Ícones: Font Awesome 6
   ========================================================================= */

:root {
  /* ---- Navy / tinta (alinhado ao logo e às embalagens reais) ---- */
  --ink-deep: #0A1326;   /* hero / fundo mais escuro */
  --navy-950: #0E1A33;
  --navy-900: #16213D;   /* base da marca */
  --navy-850: #1A2747;
  --navy-800: #203157;
  --navy-700: #294071;

  /* ---- Acentos ---- */
  --cyan:      #13C5DD;
  --cyan-400:  #3FD3E8;
  --cyan-300:  #8AE7F2;
  --cyan-ink:  #0A6E7E;   /* ciano legível sobre claro (AA) */
  --teal:      #1C7E94;   /* nó intermediário da molécula */
  --magenta:   #CC3366;   /* faísca rara */

  /* ---- Neutros ---- */
  --periwinkle:#788FC8;
  --ink:       #15223E;   /* texto forte sobre claro */
  --slate:     #51607A;   /* texto de apoio sobre claro */
  --line:      #E4EAF2;
  --bg:        #FFFFFF;
  --bg-alt:    #F3F6FB;
  --silver-1:  #EEF2F7;   /* fundo card de produto */
  --silver-2:  #DCE3EC;

  /* ---- Sobre fundo escuro ---- */
  --on-dark:        #EAEFF8;
  --on-dark-muted:  #A7B4CE;

  /* ---- Tipografia ---- */
  --font-display: "Rubik", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body:    "Roboto", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-serif:   "Fraunces", Georgia, "Times New Roman", serif;

  /* ---- Raios ---- */
  --r-sm: 10px;
  --r:    16px;
  --r-lg: 22px;
  --r-pill: 999px;

  /* ---- Sombras (tingidas de navy) ---- */
  --sh-sm: 0 1px 2px rgba(14,26,51,.06), 0 2px 10px rgba(14,26,51,.05);
  --sh-md: 0 12px 32px rgba(14,26,51,.10);
  --sh-lg: 0 26px 64px rgba(14,26,51,.18);
  --sh-cyan: 0 14px 36px rgba(19,197,221,.32);

  /* ---- Layout ---- */
  --container: 1200px;
  --gutter: clamp(20px, 5vw, 44px);
  --section-y: clamp(58px, 8vw, 104px);

  /* ---- Header ---- */
  --hd-h: 72px;
  --hd-text: #FFFFFF;
  --hd-bg: transparent;
  --hd-border: transparent;
  --hd-shadow: none;
  --logo-filter: brightness(0) invert(1);  /* logo branco no hero */
}

/* --------------------------------------------------------------- Reset */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }

.skip-link {
  position: fixed; left: 12px; top: -60px; z-index: 200;
  background: var(--navy-900); color: #fff; padding: 10px 16px; border-radius: var(--r-sm); transition: top .2s;
}
.skip-link:focus { top: 12px; }
:focus-visible { outline: 2.5px solid var(--cyan); outline-offset: 2px; border-radius: 4px; }

#header-sentinel { position: absolute; top: 0; left: 0; width: 1px; height: 70vh; pointer-events: none; }

/* --------------------------------------------------------------- Tipografia */
.section__title {
  font-family: var(--font-display);
  font-weight: 700; line-height: 1.1; letter-spacing: -.02em;
  font-size: clamp(1.65rem, 1rem + 2.5vw, 2.55rem);
  color: var(--ink);
}
.section__sub { margin-top: 14px; color: var(--slate); font-size: 1.04rem; max-width: 56ch; }
.eyebrow {
  font-family: var(--font-serif);
  font-weight: 500; font-style: italic;
  font-size: 1.02rem; letter-spacing: .01em;
  color: var(--cyan-ink);
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 26px; height: 1.5px; background: var(--cyan); display: inline-block; }
.eyebrow--light { color: var(--cyan-300); }
.eyebrow--light::before { background: var(--cyan-300); }
.eyebrow--center { justify-content: center; }

.section { padding-block: var(--section-y); }
.section__head { margin-bottom: clamp(30px, 4.5vw, 52px); max-width: 720px; }
.section__head--center { margin-inline: auto; text-align: center; }
.section__head--center .section__sub { margin-inline: auto; }
.section__head--light .section__title { color: #fff; }
.section__head--light .section__sub { color: var(--on-dark-muted); }

/* --------------------------------------------------------------- Botões */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-display); font-weight: 600; font-size: .97rem;
  padding: 13px 25px; border-radius: var(--r-pill); border: 1.6px solid transparent;
  white-space: nowrap; cursor: pointer;
  transition: transform .18s ease, box-shadow .22s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
}
.btn i { font-size: 1.05em; }
.btn--sm { padding: 10px 18px; font-size: .9rem; }
.btn:active { transform: translateY(1px) scale(.99); }
.btn--primary { background: var(--cyan); color: var(--ink-deep); box-shadow: var(--sh-cyan); }
.btn--primary:hover { background: var(--cyan-400); transform: translateY(-2px); box-shadow: 0 18px 44px rgba(19,197,221,.42); }
.btn--secondary { background: var(--navy-800); color: #fff; }
.btn--secondary:hover { background: var(--navy-700); transform: translateY(-2px); box-shadow: var(--sh-md); }
.btn--wa { background: #1FA855; color: #fff; box-shadow: 0 14px 34px rgba(31,168,85,.30); }
.btn--wa:hover { background: #1c9a4e; transform: translateY(-2px); }
.btn--ghost-light { background: transparent; color: var(--hd-text); border-color: color-mix(in srgb, var(--hd-text) 42%, transparent); }
.btn--ghost-light:hover { border-color: var(--cyan); color: var(--cyan); }

/* =========================================================== HEADER */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: var(--hd-bg); border-bottom: 1px solid var(--hd-border); box-shadow: var(--hd-shadow);
  transition: background-color .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.scrolled {
  --hd-text: var(--ink); --hd-bg: rgba(255,255,255,.88); --hd-border: var(--line);
  --hd-shadow: 0 6px 24px rgba(14,26,51,.07); --logo-filter: none;
  backdrop-filter: saturate(160%) blur(12px); -webkit-backdrop-filter: saturate(160%) blur(12px);
}
.header__inner { height: var(--hd-h); display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { display: inline-flex; align-items: center; }
.brand__logo { height: 30px; width: auto; filter: var(--logo-filter); transition: filter .3s ease; }
.brand--footer .brand__logo { filter: brightness(0) invert(1); height: 32px; }

.nav { display: flex; align-items: center; gap: clamp(14px, 2vw, 28px); }
.nav a { font-size: .95rem; font-weight: 500; color: var(--hd-text); opacity: .92; position: relative; padding: 6px 0; transition: color .2s, opacity .2s; }
.nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px; background: var(--cyan); transition: right .25s ease; }
.nav a:hover { opacity: 1; }
.nav a:hover::after { right: 0; }
.header__actions { display: flex; align-items: center; gap: 12px; }
.header__cta { padding: 10px 19px; font-size: .9rem; }
/* CTA do header com leve vidro escuro no hero => legível sobre molécula/vials claros */
.site-header:not(.scrolled) .header__cta { background: rgba(10,19,38,.30); backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px); }

.nav-toggle { display: none; width: 44px; height: 44px; border: none; background: transparent; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.nav-toggle span { width: 24px; height: 2px; background: var(--hd-text); border-radius: 2px; transition: transform .3s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav { background: rgba(10,19,38,.97); backdrop-filter: blur(10px); padding: 12px var(--gutter) 24px; display: flex; flex-direction: column; gap: 2px; border-top: 1px solid rgba(255,255,255,.08); }
.mobile-nav[hidden] { display: none; }
.mobile-nav a { color: var(--on-dark); padding: 13px 4px; font-size: 1.04rem; border-bottom: 1px solid rgba(255,255,255,.07); }
.mobile-nav__cta { margin-top: 16px; border-bottom: none; }

/* =========================================================== HERO (enxuto) */
.hero {
  position: relative; display: flex; align-items: center; isolation: isolate; background: var(--ink-deep);
  min-height: clamp(540px, 78vh, 720px);
}
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: 78% center; }
.hero__scrim {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(10,19,38,.97) 0%, rgba(10,19,38,.90) 28%, rgba(10,19,38,.55) 52%, rgba(10,19,38,.12) 78%, rgba(10,19,38,0) 100%),
    /* faixa de topo: mantém o header (logo, nav, CTA) legível sobre qualquer fundo */
    linear-gradient(180deg, rgba(10,19,38,.60) 0%, rgba(10,19,38,.16) 11%, rgba(10,19,38,0) 24%, rgba(10,19,38,0) 70%, rgba(10,19,38,.45) 100%);
}
.hero__inner { padding-top: calc(var(--hd-h) + 3vh); padding-bottom: 5vh; max-width: 640px; }
.hero__title {
  font-family: var(--font-display); font-weight: 700; color: #fff;
  font-size: clamp(2.1rem, 1.1rem + 3.6vw, 3.6rem); line-height: 1.05; letter-spacing: -.025em;
  max-width: 15ch; margin-top: 16px;
  text-shadow: 0 2px 24px rgba(10,19,38,.55);
}
.hero__title .accent { color: var(--cyan); text-shadow: 0 2px 24px rgba(10,19,38,.7); }
.hero__lead { color: var(--on-dark); font-size: clamp(1.04rem, 1rem + .45vw, 1.22rem); max-width: 44ch; margin-top: 20px; line-height: 1.55; text-shadow: 0 1px 14px rgba(10,19,38,.6); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 30px; }
.hero__actions .btn--ghost-light { --hd-text: #fff; }
.hero__meta { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--on-dark-muted); font-size: .86rem; }
.hero__meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero__meta i { color: var(--cyan); }

/* trust strip sob o hero */
.trust-strip { background: var(--bg-alt); border-bottom: 1px solid var(--line); }
.trust-strip__inner { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px clamp(18px, 4vw, 46px); padding-block: 16px; }
.trust-strip span { display: inline-flex; align-items: center; gap: 9px; font-size: .9rem; font-weight: 500; color: var(--slate); }
.trust-strip i { color: var(--cyan-ink); font-size: 1.02rem; }

/* =========================================================== CATEGORIAS (compactas) */
.cat-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.cat-banner {
  position: relative; display: flex; align-items: center; gap: 22px; overflow: hidden; isolation: isolate;
  padding: 24px clamp(22px, 3vw, 34px); border-radius: var(--r-lg); min-height: 132px; color: #fff;
  background: radial-gradient(130% 160% at 100% 0%, rgba(19,197,221,.55), transparent 52%), linear-gradient(135deg, #0F7E94, #0B5E7E);
  box-shadow: var(--sh-sm); transition: transform .25s ease, box-shadow .25s ease;
}
.cat-banner:hover { transform: translateY(-3px); box-shadow: var(--sh-lg); }
.cat-banner__icon { width: 58px; height: 58px; flex: none; border-radius: 16px; display: grid; place-items: center; background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.25); }
.cat-banner__icon i { font-size: 1.6rem; color: #fff; }
.cat-banner__body { flex: 1; min-width: 0; }
.cat-banner__kicker { display: block; font-family: var(--font-serif); font-style: italic; font-size: .9rem; color: var(--cyan-300); }
.cat-banner__title { display: block; font-family: var(--font-display); font-weight: 600; font-size: clamp(1.25rem, 1rem + 1vw, 1.6rem); line-height: 1.15; margin-top: 4px; }
.cat-banner__desc { display: block; color: rgba(255,255,255,.88); font-size: .95rem; line-height: 1.5; margin-top: 7px; max-width: 64ch; }
.cat-banner__link { flex: none; align-self: center; display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-display); font-weight: 600; font-size: .92rem; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.25); padding: 11px 18px; border-radius: var(--r-pill); transition: background-color .2s, gap .2s; }
.cat-banner:hover .cat-banner__link { background: rgba(255,255,255,.24); gap: 13px; }

.cat-tiles { display: grid; grid-template-columns: 1fr; gap: 14px; }
.cat-tile {
  position: relative; display: flex; flex-direction: column; gap: 9px; overflow: hidden; isolation: isolate;
  padding: 20px 22px; border-radius: var(--r); min-height: 124px; color: #fff;
  background: linear-gradient(150deg, var(--navy-800), var(--navy-950));
  box-shadow: var(--sh-sm); transition: transform .22s ease, box-shadow .22s ease;
}
.cat-tile::after { content: ""; position: absolute; z-index: -1; width: 150px; height: 150px; right: -50px; top: -50px; background: radial-gradient(circle, rgba(19,197,221,.26), transparent 66%); }
.cat-tile:hover { transform: translateY(-4px); box-shadow: var(--sh-lg); }
.cat-tile__icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: rgba(19,197,221,.14); border: 1px solid rgba(19,197,221,.28); }
.cat-tile__icon i { font-size: 1.16rem; color: var(--cyan-300); }
.cat-tile__title { font-family: var(--font-display); font-weight: 600; font-size: 1.08rem; line-height: 1.2; }
.cat-tile__desc { color: rgba(234,239,248,.74); font-size: .88rem; line-height: 1.45; flex: 1; }
.cat-tile__more { font-size: .82rem; font-weight: 600; color: var(--cyan-300); display: inline-flex; align-items: center; gap: 7px; }
.cat-tile__more i { transition: transform .22s ease; }
.cat-tile:hover .cat-tile__more i { transform: translateX(4px); }
.cat-tile--accent::after { background: radial-gradient(circle, rgba(204,51,102,.34), transparent 66%); }
.cat-tile--accent .cat-tile__icon { background: rgba(204,51,102,.16); border-color: rgba(204,51,102,.3); }
.cat-tile--accent .cat-tile__icon i, .cat-tile--accent .cat-tile__more { color: #F2A9C2; }

@media (min-width: 620px) { .cat-tiles { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 940px) { .cat-tiles { grid-template-columns: repeat(3, 1fr); } }

/* =========================================================== PRODUTOS (showcase, fotos reais) */
.products { background: var(--bg-alt); }
.product-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.product-card {
  position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--sh-sm);
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--sh-lg); border-color: transparent; }
.product-card__media { position: relative; aspect-ratio: 4 / 3; background: linear-gradient(160deg, var(--silver-1), var(--silver-2)); display: grid; place-items: center; overflow: hidden; }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; mix-blend-mode: multiply; transition: transform .4s ease; }
.product-card:hover .product-card__media img { transform: scale(1.04); }
.product-card__badge { position: absolute; top: 12px; left: 12px; display: inline-flex; align-items: center; gap: 6px; font-size: .7rem; font-weight: 600; letter-spacing: .03em; color: var(--navy-900); background: rgba(255,255,255,.86); border: 1px solid var(--line); padding: 5px 10px; border-radius: var(--r-pill); backdrop-filter: blur(4px); }
.product-card__badge i { color: var(--cyan-ink); }
.product-card__body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-card__tag { font-size: .72rem; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; color: var(--cyan-ink); }
.product-card__name { font-family: var(--font-display); font-weight: 600; font-size: 1.26rem; color: var(--ink); letter-spacing: -.01em; }
.product-card__desc { color: var(--slate); font-size: .93rem; line-height: 1.5; flex: 1; }
.product-card__cta { margin-top: 8px; display: inline-flex; align-items: center; gap: 9px; font-family: var(--font-display); font-weight: 600; font-size: .92rem; color: #1FA855; }
.product-card__cta i { font-size: 1.1rem; }
.product-card__cta span.arw { transition: transform .22s ease; }
.product-card:hover .product-card__cta span.arw { transform: translateX(4px); }
@media (min-width: 620px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 940px) { .product-grid { grid-template-columns: repeat(3, 1fr); } }

/* =========================================================== MISSÃO */
.mission { background: var(--bg); text-align: center; }
.mission__inner { max-width: 880px; margin-inline: auto; display: flex; flex-direction: column; align-items: center; gap: 24px; }
.mission__mark { width: 46px; height: 46px; }
.mission__mark svg { width: 100%; height: 100%; }
.mission__text { font-family: var(--font-serif); font-weight: 400; font-size: clamp(1.4rem, 1rem + 1.9vw, 2.2rem); line-height: 1.34; letter-spacing: -.005em; color: var(--ink); }
.mission__text b { font-weight: 600; color: var(--cyan-ink); font-style: italic; }
.mission__text span { display: block; margin-top: 16px; font-family: var(--font-body); font-weight: 400; font-size: clamp(.98rem, .9rem + .4vw, 1.1rem); line-height: 1.6; color: var(--slate); }

/* =========================================================== CATÁLOGO */
.catalog { background: var(--bg); }
.filters { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 32px; justify-content: center; }
.filter { border: 1.5px solid var(--line); background: #fff; color: var(--slate); padding: 9px 17px; border-radius: var(--r-pill); font-family: var(--font-display); font-size: .88rem; font-weight: 500; transition: all .2s ease; }
.filter:hover { border-color: var(--periwinkle); color: var(--ink); }
.filter.is-active { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }

.peptide-grid { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.peptide-card {
  position: relative; width: 340px; max-width: 100%; background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  padding: 22px 22px 18px; display: flex; flex-direction: column; gap: 9px; overflow: hidden;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.peptide-card::before { content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 100%; background: linear-gradient(90deg, var(--cyan), var(--periwinkle)); transform: scaleX(0); transform-origin: left; transition: transform .3s ease; }
.peptide-card:hover { transform: translateY(-4px); box-shadow: var(--sh-md); border-color: transparent; }
.peptide-card:hover::before { transform: scaleX(1); }
.peptide-card__head { display: flex; align-items: center; gap: 12px; }
.peptide-card__icon { width: 40px; height: 40px; flex: none; border-radius: 11px; display: grid; place-items: center; background: linear-gradient(150deg, var(--navy-800), var(--navy-950)); }
.peptide-card__icon i { color: var(--cyan-300); font-size: 1.05rem; }
.peptide-card__tag { font-size: .68rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--cyan-ink); }
.peptide-card__name { font-family: var(--font-display); font-weight: 600; font-size: 1.18rem; color: var(--ink); letter-spacing: -.01em; line-height: 1.1; margin-top: 2px; }
.peptide-card__desc { color: var(--slate); font-size: .92rem; line-height: 1.5; flex: 1; }
.peptide-card__cta { margin-top: 4px; font-family: var(--font-display); font-weight: 600; font-size: .88rem; color: var(--cyan-ink); display: inline-flex; align-items: center; gap: 8px; }
.peptide-card__cta i { transition: transform .22s ease; }
.peptide-card:hover .peptide-card__cta i { transform: translateX(4px); }
.peptide-card.is-hidden { display: none; }
.catalog__note { margin-top: 34px; text-align: center; color: var(--slate); font-size: 1rem; }
.catalog__note a { color: var(--cyan-ink); font-weight: 600; border-bottom: 1.5px solid color-mix(in srgb, var(--cyan-ink) 35%, transparent); }
.catalog__note a:hover { border-color: var(--cyan-ink); }

/* =========================================================== COMO FUNCIONA (3 passos) */
.howto { background: var(--bg-alt); }
.steps { display: grid; grid-template-columns: 1fr; gap: 18px; counter-reset: step; }
.step { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 30px 26px 26px; box-shadow: var(--sh-sm); overflow: hidden; }
.step__num { font-family: var(--font-serif); font-weight: 500; font-size: 3.2rem; line-height: 1; color: var(--silver-2); position: absolute; top: 16px; right: 22px; }
.step__icon { width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(150deg, var(--navy-800), var(--navy-950)); margin-bottom: 16px; }
.step__icon i { color: var(--cyan-300); font-size: 1.3rem; }
.step h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.18rem; color: var(--ink); margin-bottom: 8px; }
.step p { color: var(--slate); font-size: .96rem; line-height: 1.6; }
.howto__cta { margin-top: 30px; text-align: center; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(3, 1fr); } }

/* =========================================================== CONFIANÇA */
.trust { position: relative; background: var(--ink-deep); color: var(--on-dark); isolation: isolate; }
.trust__bg { position: absolute; inset: 0; z-index: -2; }
.trust__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .20; }
.trust::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, var(--ink-deep) 0%, rgba(10,19,38,.78) 50%, var(--ink-deep) 100%); }
.pillars { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.pillar { padding: 24px 22px; background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.09); border-radius: var(--r); transition: transform .22s ease, background-color .22s ease; }
.pillar:hover { transform: translateY(-4px); background: rgba(255,255,255,.075); }
.pillar__icon { width: 48px; height: 48px; border-radius: 13px; display: grid; place-items: center; background: rgba(19,197,221,.14); border: 1px solid rgba(19,197,221,.3); margin-bottom: 14px; }
.pillar__icon i { color: var(--cyan); font-size: 1.25rem; }
.pillar h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; color: #fff; margin-bottom: 7px; }
.pillar p { color: var(--on-dark-muted); font-size: .92rem; line-height: 1.5; }
@media (min-width: 920px) { .pillars { grid-template-columns: repeat(4, 1fr); } }

.trust__foot { margin-top: 30px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px 26px; justify-content: space-between; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.1); }
.uk-seal { display: inline-flex; align-items: center; gap: 13px; }
.uk-seal__flag { width: 42px; height: 30px; border-radius: 4px; overflow: hidden; flex: none; box-shadow: 0 2px 10px rgba(0,0,0,.4); }
.uk-seal__txt strong { display: block; font-family: var(--font-display); font-weight: 600; color: #fff; font-size: .98rem; letter-spacing: .01em; }
.uk-seal__txt span { font-size: .84rem; color: var(--on-dark-muted); }
.research-note { display: inline-flex; align-items: center; gap: 10px; font-size: .86rem; color: var(--on-dark-muted); background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); padding: 10px 16px; border-radius: var(--r-pill); }
.research-note i { color: var(--cyan-300); }

/* =========================================================== CIÊNCIA */
.science__grid { display: grid; grid-template-columns: 1fr; gap: clamp(30px, 5vw, 56px); align-items: center; }
.science__media { position: relative; border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--sh-lg); }
.science__media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 5 / 4; }
.science__media figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 16px 18px; font-size: .82rem; color: #fff; background: linear-gradient(0deg, rgba(10,19,38,.85), transparent); display: flex; align-items: center; gap: 9px; }
.science__media figcaption i { color: var(--cyan-300); }
.science__body p { color: var(--slate); font-size: 1.04rem; line-height: 1.7; margin-top: 14px; max-width: 52ch; }
.checklist { list-style: none; padding: 0; margin: 24px 0 28px; display: grid; gap: 13px; }
.checklist li { display: flex; align-items: center; gap: 12px; font-weight: 500; color: var(--ink); font-size: 1rem; }
.checklist i { color: var(--cyan-ink); font-size: 1.15rem; flex: none; }
@media (min-width: 900px) { .science__grid { grid-template-columns: 1.05fr 1fr; } }

/* =========================================================== FAQ */
.faq__inner { max-width: 820px; margin-inline: auto; }
.accordion { border-top: 1px solid var(--line); }
.acc-item { border-bottom: 1px solid var(--line); }
.acc-trigger { width: 100%; background: transparent; border: none; text-align: left; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 21px 4px; font-family: var(--font-display); font-weight: 600; font-size: 1.06rem; color: var(--ink); }
.acc-trigger:hover { color: var(--cyan-ink); }
.acc-icon { position: relative; width: 20px; height: 20px; flex: none; }
.acc-icon::before, .acc-icon::after { content: ""; position: absolute; background: var(--cyan-ink); border-radius: 2px; transition: transform .3s ease; }
.acc-icon::before { top: 9px; left: 0; width: 20px; height: 2px; }
.acc-icon::after { left: 9px; top: 0; width: 2px; height: 20px; }
.acc-trigger[aria-expanded="true"] .acc-icon::after { transform: scaleY(0); }
.acc-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s ease; }
.acc-panel > p { overflow: hidden; color: var(--slate); font-size: 1rem; line-height: 1.65; padding-right: 30px; }
.acc-item.open .acc-panel { grid-template-rows: 1fr; }
.acc-item.open .acc-panel > p { padding-bottom: 21px; }

/* =========================================================== CONTATO */
.contato { background: var(--bg-alt); }
.contato__grid { display: grid; grid-template-columns: 1fr; gap: clamp(28px, 5vw, 54px); align-items: start; }
.contato__intro p { color: var(--slate); font-size: 1.05rem; line-height: 1.7; margin-top: 14px; max-width: 46ch; }
.contato__points { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 12px; }
.contato__points li { display: flex; align-items: center; gap: 11px; font-size: .96rem; color: var(--ink); font-weight: 500; }
.contato__points i { color: #1FA855; font-size: 1.1rem; }
.wa-inline { display: inline-flex; align-items: center; gap: 11px; margin-top: 24px; font-family: var(--font-display); font-weight: 600; color: var(--ink); }
.wa-inline i { color: #1FA855; font-size: 1.7rem; }
.wa-inline:hover { color: var(--cyan-ink); }

.lead-form { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(22px, 4vw, 34px); box-shadow: var(--sh-md); display: flex; flex-direction: column; gap: 15px; }
.lead-form__title { font-family: var(--font-display); font-weight: 600; font-size: 1.16rem; color: var(--ink); }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: .88rem; font-weight: 600; color: var(--ink); }
.field .opt { font-weight: 400; color: var(--periwinkle); }
.field input, .field select, .field textarea { font-family: var(--font-body); font-size: 1rem; color: var(--ink); padding: 12px 14px; border: 1.5px solid var(--line); border-radius: var(--r-sm); background: #fff; width: 100%; transition: border-color .2s, box-shadow .2s; }
.field textarea { resize: vertical; min-height: 80px; }
.field input::placeholder, .field textarea::placeholder { color: #9AA6BC; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(19,197,221,.16); }
.field input.invalid, .field select.invalid { border-color: var(--magenta); box-shadow: 0 0 0 4px rgba(204,51,102,.12); }
.lead-form__submit { margin-top: 4px; width: 100%; }
.lead-form__status { font-size: .94rem; font-weight: 500; min-height: 1.2em; text-align: center; }
.lead-form__status.ok { color: #0E8A5F; }
.lead-form__status.err { color: var(--magenta); }
.lead-form__legal { font-size: .8rem; color: var(--periwinkle); line-height: 1.5; display: flex; gap: 8px; align-items: flex-start; }
.lead-form__legal i { color: var(--cyan-ink); margin-top: 2px; }
@media (min-width: 880px) { .contato__grid { grid-template-columns: 1fr 1.05fr; } }

/* =========================================================== FOOTER */
.site-footer { background: var(--ink-deep); color: var(--on-dark-muted); padding-top: clamp(44px, 6vw, 72px); }
.footer__grid { display: grid; grid-template-columns: 1fr; gap: 32px; padding-bottom: 38px; }
.footer__tagline { margin-top: 16px; max-width: 34ch; font-size: .94rem; line-height: 1.6; color: var(--on-dark-muted); }
.footer__seal { margin-top: 18px; display: inline-flex; align-items: center; gap: 10px; }
.footer__seal .uk-seal__flag { width: 34px; height: 24px; }
.footer__seal span { font-size: .82rem; color: var(--on-dark-muted); }
.footer__col h4 { font-family: var(--font-display); font-weight: 600; color: #fff; font-size: .98rem; margin-bottom: 14px; }
.footer__col a { display: block; color: var(--on-dark-muted); font-size: .93rem; padding: 6px 0; transition: color .2s; }
.footer__col a:hover { color: var(--cyan); }
.footer__small { font-size: .9rem; margin-bottom: 12px; }
.footer__legal { border-top: 1px solid rgba(255,255,255,.08); padding-block: 24px; display: flex; flex-direction: column; gap: 12px; }
.footer__legal p { font-size: .82rem; line-height: 1.6; color: #7E8AA6; max-width: 92ch; }
.footer__legal strong { color: var(--on-dark-muted); }
@media (min-width: 760px) { .footer__grid { grid-template-columns: 2fr 1.1fr 1.1fr 1.2fr; gap: 38px; } }

/* =========================================================== WHATSAPP FLOAT */
.wa-float { position: fixed; right: clamp(16px, 3vw, 26px); bottom: clamp(16px, 3vw, 26px); z-index: 90; height: 56px; display: inline-flex; align-items: center; background: #1FA855; color: #fff; border-radius: var(--r-pill); box-shadow: 0 16px 40px rgba(31,168,85,.4); overflow: hidden; transition: background-color .25s ease, transform .25s ease; }
.wa-float i { font-size: 1.6rem; margin: 0 15px; flex: none; }
.wa-float__label { max-width: 0; white-space: nowrap; font-family: var(--font-display); font-weight: 600; font-size: .94rem; opacity: 0; transition: max-width .35s ease, opacity .25s ease, padding .35s ease; }
.wa-float:hover, .wa-float:focus-visible { background: #1c9a4e; transform: translateY(-2px); }
.wa-float:hover .wa-float__label, .wa-float:focus-visible .wa-float__label { max-width: 200px; opacity: 1; padding-right: 20px; }

/* =========================================================== REVEAL
   Fail-safe: conteúdo visível por padrão. Só anima quando o JS confirma
   suporte (adiciona .js-reveal ao <html>). Sem JS => nada fica escondido. */
.reveal { transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); will-change: opacity, transform; }
/* FAIL-SAFE DE VERDADE: o conteúdo NUNCA é escondido. A entrada é só um leve
   deslize (transform) — se o "revelar" não disparar (observer lento, preview,
   mobile, crawler), o conteúdo continua 100% visível, só um tiquinho deslocado.
   Nada de opacity:0 (foi o que deixou o mobile em branco). */
.js-reveal .reveal { transform: translateY(14px); }
.js-reveal .reveal.in { transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .btn, .cat-tile, .cat-banner, .product-card, .peptide-card, .pillar, .step, .wa-float, .wa-float__label, .nav a::after { transition: none !important; }
  *, *::before, *::after { animation-duration: .001ms !important; }
}

/* =========================================================== RESPONSIVO */
@media (max-width: 860px) {
  .nav, .header__cta { display: none; }
  .nav-toggle { display: flex; }
}
@media (min-width: 861px) { .mobile-nav { display: none !important; } }
@media (max-width: 760px) {
  .hero { min-height: clamp(540px, 80vh, 700px); }
  .hero__media img { object-position: 68% center; }
  /* meta redundante com a trust strip logo abaixo — esconde no mobile p/ hero limpo */
  .hero__meta { display: none; }
  /* Mobile: o texto ocupa quase toda a largura — scrim forte e uniforme garante
     leitura perfeita do título/lead/meta brancos sobre a molécula. */
  .hero__scrim {
    background:
      linear-gradient(180deg, rgba(10,19,38,.84) 0%, rgba(10,19,38,.64) 36%, rgba(10,19,38,.60) 62%, rgba(10,19,38,.90) 100%);
  }
  .hero__inner { max-width: 100%; }
  .hero__lead { max-width: 38ch; }
  /* banner de categoria empilha no mobile (ícone topo → texto → botão full) */
  .cat-banner { flex-direction: column; align-items: flex-start; gap: 14px; padding: 22px; }
  .cat-banner__link { align-self: stretch; justify-content: center; }
}
@media (max-width: 420px) { .hero__actions .btn { width: 100%; } }