/* ===========================================================
   Plataforma Sigma Digital — Anexo Executivo A02
   Landing Page: Endereço Fiscal e Comercial em Goiânia
   Design System premium — Cap. 9 do Projeto Master v1.0
   =========================================================== */

:root {
  /* Paleta institucional */
  --sigma-red: #8B1A1A;
  --sigma-red-deep: #5A0E0E;
  --sigma-red-support: #C0392B;
  --sigma-graphite: #211C1B;
  --sigma-graphite-2: #322B29;
  --sigma-gray-warm: #6B615B;
  --sigma-gray-lightest: #F6F2EF;
  --sigma-bg-warm: #FCFAF8;
  --sigma-white: #FFFFFF;
  --sigma-gold: #AC8438;
  --sigma-success: #3E7A5B;
  --sigma-border: #E7DFD8;
  --sigma-border-strong: #8C8177;
  --sigma-border-dark: #453D3A;
  --sigma-text: #241F1E;

  /* Tipografia */
  --font-heading: 'Manrope', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  --sigma-radius: 12px;
  --sigma-radius-sm: 8px;
  --sigma-max-width: 1180px;
  --sigma-gap: clamp(3.5rem, 7vw, 6.5rem);
  --sigma-shadow: 0 1px 2px rgba(33,28,27,.04), 0 8px 24px -8px rgba(33,28,27,.10);
  --sigma-shadow-lg: 0 4px 8px rgba(33,28,27,.06), 0 24px 48px -16px rgba(33,28,27,.18);
  --sigma-ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--sigma-text);
  background: var(--sigma-bg-warm);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 .85rem 0;
  color: var(--sigma-graphite);
}

h1 { font-size: clamp(2.3rem, 4.4vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.35rem); }
h3 { font-size: 1.1rem; font-weight: 700; }

p { margin: 0 0 1.1rem 0; max-width: 62ch; }
a { color: var(--sigma-red); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { padding-left: 0; margin: 0; list-style: none; }
ul li, ol li { list-style: none; }
ul li::marker, ol li::marker { content: ""; }

.sigma-icon { width: 20px; height: 20px; flex-shrink: 0; }
.sigma-icon--lg { width: 30px; height: 30px; }

/* ---------- Acessibilidade ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--sigma-red); color: var(--sigma-white);
  padding: .85rem 1.4rem; z-index: 1000; border-radius: 0 0 var(--sigma-radius-sm) 0;
  font-weight: 600;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: 3px solid var(--sigma-gold); outline-offset: 2px; border-radius: 2px; }

/* ---------- Scroll reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s var(--sigma-ease), transform .7s var(--sigma-ease);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- Layout helpers ---------- */
.sigma-eyebrow {
  font-family: var(--font-heading);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--sigma-red-support);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin: 0 0 .9rem 0;
}
.sigma-eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  background: var(--sigma-red-support);
  display: inline-block;
}
.sigma-eyebrow--on-dark { color: #E8B9AE; }
.sigma-eyebrow--on-dark::before { background: #E8B9AE; }

section, .sigma-footer, .sigma-tips, .sigma-honesty {
  padding: var(--sigma-gap) 1.5rem;
}
.sigma-inicial, .sigma-honesty, .sigma-cta-final, .sigma-authority { padding-left: 1.5rem; padding-right: 1.5rem; }

section > *:not(.sigma-inicial__grid):not(.sigma-comparison__table-wrap):not(.sigma-comparison__cards),
.sigma-eyebrow, h2, .sigma-content-block__subtitle {
  max-width: var(--sigma-max-width);
  margin-left: auto;
  margin-right: auto;
}

.section--tint { background: var(--sigma-gray-lightest); }
.section--dark { background: linear-gradient(160deg, var(--sigma-graphite) 0%, #171312 100%); color: #EDE7E3; }
.section--dark h2, .section--dark h3 { color: var(--sigma-white); }
.section--red { background: linear-gradient(155deg, var(--sigma-red) 0%, var(--sigma-red-deep) 100%); color: #FBEAE6; }
.section--red h2 { color: var(--sigma-white); }
.section--red :focus-visible { outline-color: var(--sigma-white); }

.sigma-content-block__subtitle {
  font-size: 1.12rem;
  color: var(--sigma-gray-warm);
  margin-bottom: 1.75rem;
  max-width: 62ch;
}
.sigma-content-block__highlight { font-weight: 700; font-size: 1.05rem; }
.sigma-note { font-size: .92rem; color: var(--sigma-gray-warm); }

/* ---------- Header ---------- */
.sigma-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(252,250,248,.88);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .3s var(--sigma-ease), border-color .3s var(--sigma-ease);
}
.sigma-header.is-scrolled {
  box-shadow: 0 2px 20px rgba(33,28,27,.08);
  border-bottom-color: var(--sigma-border);
}
.sigma-navbar {
  max-width: var(--sigma-max-width); margin: 0 auto; padding: .85rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.sigma-navbar__logo { display: flex; align-items: center; }
.sigma-navbar__logo img { height: 40px; width: auto; }

.sigma-navbar__toggle {
  display: none; background: none; border: 1px solid var(--sigma-border-strong);
  border-radius: var(--sigma-radius-sm); width: 44px; height: 44px;
  align-items: center; justify-content: center; cursor: pointer;
}
.sigma-navbar__toggle-icon, .sigma-navbar__toggle-icon::before, .sigma-navbar__toggle-icon::after {
  display: block; width: 20px; height: 2px; background: var(--sigma-graphite); position: relative;
}
.sigma-navbar__toggle-icon::before { content: ""; position: absolute; top: -6px; }
.sigma-navbar__toggle-icon::after { content: ""; position: absolute; top: 6px; }

.sigma-navbar__links { display: flex; align-items: center; gap: 2rem; }
.sigma-navbar__links a {
  text-decoration: none; color: var(--sigma-text); font-weight: 600; font-size: .95rem;
  position: relative; padding-bottom: 2px;
}
.sigma-navbar__links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px;
  background: var(--sigma-red-support); transition: right .25s var(--sigma-ease);
}
.sigma-navbar__links a:hover::after { right: 0; }
.sigma-navbar__links a.sigma-navbar__cta::after { content: none; }
.sigma-navbar__cta { white-space: nowrap; }

/* ---------- Botões ---------- */
.sigma-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .9rem 1.7rem; border-radius: 999px; text-decoration: none;
  font-weight: 700; font-family: var(--font-heading); font-size: .95rem;
  border: 2px solid transparent; min-height: 48px; cursor: pointer;
  transition: transform .2s var(--sigma-ease), box-shadow .2s var(--sigma-ease), background-color .2s var(--sigma-ease);
}
.sigma-btn--primary {
  background: var(--sigma-red); color: var(--sigma-white); box-shadow: var(--sigma-shadow);
}
.sigma-btn--primary:hover { background: var(--sigma-red-support); transform: translateY(-2px); box-shadow: var(--sigma-shadow-lg); }
.sigma-btn--secondary { background: var(--sigma-white); color: var(--sigma-red); border-color: var(--sigma-border-strong); }
.sigma-btn--secondary:hover { border-color: var(--sigma-red); transform: translateY(-2px); }
.sigma-btn--ghost { background: transparent; color: var(--sigma-graphite); border-color: var(--sigma-border-strong); }
.sigma-btn--ghost:hover { border-color: var(--sigma-graphite); }
.sigma-btn--on-dark { background: var(--sigma-white); color: var(--sigma-red-deep); box-shadow: var(--sigma-shadow); }
.sigma-btn--on-dark:hover { background: #FCEFEA; transform: translateY(-2px); box-shadow: var(--sigma-shadow-lg); }
.sigma-btn--large { padding: 1.15rem 2.3rem; font-size: 1.02rem; }
.sigma-btn--sm { padding: .6rem 1.2rem; min-height: 40px; font-size: .85rem; }
.sigma-btn.is-disabled { opacity: .45; pointer-events: none; cursor: not-allowed; }
.sigma-link.is-disabled { opacity: .45; pointer-events: none; }

.sigma-cta-group { display: flex; flex-wrap: wrap; gap: 1rem; margin: 1.75rem 0; }

.sigma-link {
  font-weight: 700; color: var(--sigma-red); text-decoration: none;
  display: inline-flex; align-items: center; gap: .4rem;
}
.sigma-link .sigma-icon { transition: transform .2s var(--sigma-ease); }
.sigma-link:hover .sigma-icon { transform: translateX(3px); }
.sigma-link--on-dark { color: var(--sigma-white); }

/* ---------- Seção inicial ---------- */
.sigma-inicial {
  position: relative;
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  overflow: hidden;
}
.sigma-inicial__bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(circle at 85% 15%, rgba(139,26,26,.07), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(172,132,56,.08), transparent 40%);
}
.sigma-inicial__grid {
  position: relative; z-index: 1;
  max-width: var(--sigma-max-width); margin: 0 auto;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.sigma-inicial__subtitle { font-size: 1.2rem; color: var(--sigma-gray-warm); font-weight: 500; }

.sigma-price-tag {
  display: inline-flex; flex-direction: column; align-items: flex-start; gap: .1rem;
  background: var(--sigma-white); border: 1px solid var(--sigma-border);
  border-left: 4px solid var(--sigma-gold);
  border-radius: var(--sigma-radius); padding: 1.1rem 1.6rem; margin: 1.25rem 0 1.5rem;
  box-shadow: var(--sigma-shadow);
}
.sigma-price-tag__value { font-family: var(--font-heading); font-size: 2.4rem; font-weight: 800; color: var(--sigma-red); line-height: 1; }
.sigma-price-tag__period { font-weight: 700; color: var(--sigma-graphite); margin-left: .35rem; font-size: 1rem; }
.sigma-price-tag__note { display: block; font-size: .82rem; color: var(--sigma-gray-warm); margin-top: .5rem; max-width: 30ch; }
.sigma-price-tag--on-dark { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.25); }
.sigma-price-tag--on-dark .sigma-price-tag__value,
.sigma-price-tag--on-dark .sigma-price-tag__period { color: var(--sigma-white); }

.sigma-inicial__list { display: grid; gap: .55rem; margin-bottom: 0; }
.sigma-inicial__list li { display: flex; align-items: center; gap: .6rem; font-weight: 500; }
.sigma-inicial__list .sigma-icon { color: var(--sigma-success); background: rgba(62,122,91,.12); border-radius: 50%; padding: 3px; width: 22px; height: 22px; }

.sigma-inicial__trust {
  font-size: .92rem; color: var(--sigma-gray-warm);
  border-top: 1px solid var(--sigma-border); padding-top: 1.1rem; margin-top: .5rem;
}

.sigma-exclusivity-note {
  display: flex; align-items: flex-start; gap: .55rem;
  font-size: .88rem; color: var(--sigma-gray-warm); font-weight: 500;
  max-width: 46ch; margin: 0 0 1.1rem;
}
.sigma-exclusivity-note .sigma-icon { flex-shrink: 0; color: var(--sigma-gold); width: 18px; height: 18px; margin-top: .15rem; }

.sigma-trust-seals { display: flex; flex-wrap: wrap; gap: .6rem; margin: 0 0 1.5rem; padding: 0; list-style: none; }
.sigma-trust-seals li {
  display: inline-flex; align-items: center; gap: .4rem;
  background: var(--sigma-white); border: 1px solid var(--sigma-border);
  border-radius: 999px; padding: .45rem .85rem; font-size: .78rem; font-weight: 700;
  color: var(--sigma-graphite);
}
.sigma-trust-seals .sigma-icon { color: var(--sigma-success); width: 14px; height: 14px; }

.sigma-inicial__visual { position: relative; }
.sigma-inicial__shape {
  position: absolute; inset: -6% -10% -10% 6%;
  background: linear-gradient(135deg, var(--sigma-red) 0%, var(--sigma-gold) 130%);
  opacity: .14; border-radius: 32px; transform: rotate(-3deg); z-index: 0;
}
.sigma-inicial__media {
  position: relative; z-index: 1;
  border-radius: var(--sigma-radius); overflow: hidden; box-shadow: var(--sigma-shadow-lg);
  border: 6px solid var(--sigma-white);
}
.sigma-inicial__media img { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: var(--sigma-gray-lightest); }

.sigma-float-card {
  position: absolute; z-index: 2;
  background: var(--sigma-white); border-radius: var(--sigma-radius-sm);
  box-shadow: var(--sigma-shadow-lg); padding: .7rem 1rem;
  display: flex; align-items: center; gap: .55rem;
  font-weight: 700; font-size: .85rem; color: var(--sigma-graphite);
  border: 1px solid var(--sigma-border);
}
.sigma-float-card .sigma-icon { color: var(--sigma-red); }
.sigma-float-card--digital { top: -8%; left: -6%; }
.sigma-float-card--mail { bottom: -6%; right: -4%; }
.sigma-badge-since {
  position: absolute; top: 8%; right: -8%; z-index: 2;
  background: var(--sigma-red); color: var(--sigma-white);
  font-family: var(--font-heading); font-weight: 800; font-size: .8rem;
  border-radius: 50%; width: 78px; height: 78px;
  display: flex; align-items: center; justify-content: center; text-align: center;
  box-shadow: var(--sigma-shadow-lg); transform: rotate(8deg);
}

/* ---------- Split (Mais que um endereço) ---------- */
.sigma-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.sigma-split__col { max-width: 100%; }
.sigma-split__col--solution {
  background: var(--sigma-white); border-radius: var(--sigma-radius);
  padding: 2rem; box-shadow: var(--sigma-shadow); border-top: 4px solid var(--sigma-red);
}
.sigma-split__lead { font-size: 1.05rem; }
.sigma-keyword-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; margin-top: 1.25rem; }
.sigma-keyword-grid li {
  display: flex; align-items: center; gap: .6rem; font-size: .95rem;
  background: var(--sigma-gray-lightest); border-radius: var(--sigma-radius-sm); padding: .75rem .9rem;
}
.sigma-keyword-grid .sigma-icon { color: var(--sigma-red); }

/* ---------- Nossa estrutura (galeria) ---------- */
.sigma-gallery__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
  max-width: var(--sigma-max-width); margin: 0 auto; list-style: none; padding: 0;
}
.sigma-gallery__item {
  border-radius: var(--sigma-radius); overflow: hidden; border: 1px solid var(--sigma-border);
  box-shadow: var(--sigma-shadow); background: var(--sigma-white);
}
.sigma-gallery__item img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; background: var(--sigma-gray-lightest); }
.sigma-gallery__item span { display: block; text-align: center; font-size: .82rem; font-weight: 700; padding: .65rem; }
.sigma-gallery__item--pending {
  aspect-ratio: 4/3; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .6rem;
  border: 1px dashed var(--sigma-border-strong); background: var(--sigma-gray-lightest); color: var(--sigma-gray-warm);
}
.sigma-gallery__item--pending .sigma-icon { width: 30px; height: 30px; }
.sigma-gallery__item--pending span { font-weight: 600; font-size: .78rem; padding: 0 .75rem; }

/* ---------- Painel de problemas ---------- */
.sigma-problem-panel__grid {
  display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.sigma-problem-panel__grid > li {
  background: var(--sigma-white); border: 1px solid var(--sigma-border);
  border-top: 3px solid var(--sigma-red-support);
  border-radius: var(--sigma-radius); padding: 1.6rem 1.5rem;
  transition: transform .25s var(--sigma-ease), box-shadow .25s var(--sigma-ease);
}
.sigma-problem-panel__grid > li:hover { transform: translateY(-4px); box-shadow: var(--sigma-shadow); }
.sigma-problem-panel__grid .sigma-icon--lg { color: var(--sigma-red-support); margin-bottom: .75rem; }
.sigma-problem-panel__grid p { margin-bottom: 0; font-size: .95rem; color: var(--sigma-gray-warm); }

/* ---------- Comparativo ---------- */
.sigma-comparison__table-wrap {
  overflow-x: auto; border-radius: var(--sigma-radius); box-shadow: var(--sigma-shadow);
  margin-bottom: 2rem; border: 1px solid var(--sigma-border);
}
.sigma-comparison__table { width: 100%; min-width: 680px; border-collapse: collapse; background: var(--sigma-white); font-size: .95rem; }
.sigma-comparison__table th, .sigma-comparison__table td { padding: 1rem 1.2rem; border-bottom: 1px solid var(--sigma-border); text-align: left; }
.sigma-comparison__table thead th { background: var(--sigma-graphite); color: var(--sigma-white); font-family: var(--font-heading); font-weight: 700; }
.sigma-comparison__table tbody th { font-weight: 600; }
.sigma-comparison__col-sigma { background: #FBF1EC; font-weight: 700; position: relative; }
.sigma-comparison__table thead .sigma-comparison__col-sigma { background: var(--sigma-red); }
.sigma-comparison__seal {
  display: block; font-family: var(--font-heading); font-size: .68rem; text-transform: uppercase;
  letter-spacing: .06em; font-weight: 700; color: var(--sigma-gold); margin-top: .2rem;
}
.sigma-comparison__table thead .sigma-comparison__seal { color: #F6D9B8; }

.sigma-comparison__cards { display: none; }

/* ---------- Cards premium ---------- */
.sigma-features__grid { display: grid; gap: 1.4rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.sigma-features__card {
  background: var(--sigma-white); border: 1px solid var(--sigma-border); border-radius: var(--sigma-radius);
  padding: 1.75rem 1.6rem; box-shadow: var(--sigma-shadow);
  transition: transform .25s var(--sigma-ease), box-shadow .25s var(--sigma-ease);
}
.sigma-features__card:hover { transform: translateY(-5px); box-shadow: var(--sigma-shadow-lg); }
.sigma-features__card--main { border-top: 3px solid var(--sigma-red); }
.sigma-features__card p { margin-bottom: 0; font-size: .94rem; color: var(--sigma-gray-warm); }
.sigma-features__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: var(--sigma-radius-sm);
  background: linear-gradient(150deg, var(--sigma-red), var(--sigma-red-support));
  color: var(--sigma-white); margin-bottom: 1rem;
}
.sigma-features__icon svg { width: 24px; height: 24px; }

/* ---------- Chips (para quem é indicado) ---------- */
.sigma-chip-grid { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 1.75rem; }
.sigma-chip {
  display: inline-flex; align-items: center; gap: .55rem;
  background: var(--sigma-white); border: 1px solid var(--sigma-border);
  border-radius: 999px; padding: .65rem 1.1rem; font-weight: 600; font-size: .9rem;
  box-shadow: var(--sigma-shadow);
  transition: transform .2s var(--sigma-ease), border-color .2s var(--sigma-ease);
}
.sigma-chip:hover { transform: translateY(-2px); border-color: var(--sigma-red); }
.sigma-chip .sigma-icon { color: var(--sigma-red); width: 18px; height: 18px; }

.sigma-attention-note {
  display: flex; gap: .9rem; align-items: flex-start;
  background: var(--sigma-white); border: 1px solid var(--sigma-border);
  border-left: 4px solid var(--sigma-gold); border-radius: var(--sigma-radius-sm);
  padding: 1.1rem 1.3rem; max-width: var(--sigma-max-width); margin: 0 auto;
}
.sigma-attention-note svg { color: var(--sigma-gold); flex-shrink: 0; margin-top: .1rem; }
.sigma-attention-note p { margin: 0; font-size: .92rem; color: var(--sigma-gray-warm); }

/* ---------- Timeline ---------- */
.sigma-timeline__summary {
  display: flex; flex-wrap: wrap; align-items: center; gap: .6rem;
  font-family: var(--font-heading); font-weight: 700; font-size: .85rem; color: var(--sigma-red);
  margin-bottom: 2.5rem; text-transform: uppercase; letter-spacing: .03em;
}
.sigma-timeline__summary svg { width: 16px; height: 16px; color: var(--sigma-gray-warm); }

.sigma-timeline__steps {
  display: grid; gap: 0; position: relative;
  max-width: 760px; margin-left: auto; margin-right: auto;
}
.sigma-timeline__step {
  position: relative; padding: 0 0 2.25rem 3.25rem; margin-left: 0;
}
.sigma-timeline__step:last-child { padding-bottom: 0; }
.sigma-timeline__number {
  position: absolute; left: 0; top: 0;
  width: 2.25rem; height: 2.25rem; border-radius: 50%;
  background: var(--sigma-white); border: 2px solid var(--sigma-border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-weight: 800; color: var(--sigma-graphite); font-size: .95rem;
  z-index: 1;
}
.sigma-timeline__step::before {
  content: ""; position: absolute; left: 1.1rem; top: 2.25rem; bottom: 0;
  width: 2px; background: var(--sigma-border);
}
.sigma-timeline__step:last-child::before { display: none; }
.sigma-timeline__step--highlight .sigma-timeline__number { background: var(--sigma-red); border-color: var(--sigma-red); color: var(--sigma-white); }
.sigma-timeline__step p:last-child { margin-bottom: 0; }
.sigma-timeline__step p { font-size: .95rem; color: var(--sigma-gray-warm); }

/* ---------- Análise de viabilidade ---------- */
.sigma-viability__cards {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem;
  max-width: var(--sigma-max-width); margin: 0 auto;
}
.sigma-viability__card {
  background: var(--sigma-white); border-radius: var(--sigma-radius); padding: 2rem;
  box-shadow: var(--sigma-shadow); border: 1px solid var(--sigma-border);
  transition: transform .25s var(--sigma-ease), box-shadow .25s var(--sigma-ease);
}
.sigma-viability__card:hover { transform: translateY(-4px); box-shadow: var(--sigma-shadow-lg); }
.sigma-viability__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 50%; margin-bottom: 1rem;
}
.sigma-viability__card--approved .sigma-viability__icon { background: rgba(62,122,91,.12); color: var(--sigma-success); }
.sigma-viability__card--denied .sigma-viability__icon { background: rgba(139,26,26,.1); color: var(--sigma-red); }
.sigma-viability__card ul { display: grid; gap: .6rem; }
.sigma-viability__card li { font-size: .95rem; color: var(--sigma-gray-warm); padding-left: 1.6rem; position: relative; }
.sigma-viability__card--approved li::before {
  content: "✓"; position: absolute; left: 0; top: .05em;
  color: var(--sigma-success); font-weight: 800; font-size: 1rem;
}
.sigma-viability__card--denied li::before {
  content: "✕"; position: absolute; left: 0; top: .05em;
  color: var(--sigma-red); font-weight: 700; font-size: .9rem;
}

/* ---------- Honestidade (quando não é ideal) ---------- */
.sigma-honesty {
  display: flex; gap: 1.75rem; align-items: flex-start;
  background: var(--sigma-white); max-width: var(--sigma-max-width); margin: var(--sigma-gap) auto;
  border-radius: var(--sigma-radius); border: 1px solid var(--sigma-border);
  border-left: 5px solid var(--sigma-gold); box-shadow: var(--sigma-shadow);
}
.sigma-honesty__icon {
  flex-shrink: 0; width: 52px; height: 52px; border-radius: 50%;
  background: rgba(172,132,56,.12); color: var(--sigma-gold);
  display: flex; align-items: center; justify-content: center;
}
.sigma-honesty__icon svg { width: 26px; height: 26px; }
.sigma-honesty__content ul { margin: 1rem 0; display: grid; gap: .6rem; }
.sigma-honesty__content li { font-size: .95rem; color: var(--sigma-gray-warm); padding-left: 1.5rem; position: relative; }
.sigma-honesty__content li::before {
  content: "✕"; position: absolute; left: 0; top: .05em;
  color: var(--sigma-gold); font-weight: 700; font-size: .85rem;
}

/* ---------- Autoridade ---------- */
.sigma-authority { position: relative; overflow: hidden; }
.sigma-authority__watermark {
  position: absolute; right: -60px; top: 50%; transform: translateY(-50%);
  opacity: .06; pointer-events: none;
}
.sigma-authority p { color: #C9C1BC; position: relative; z-index: 1; }
.sigma-authority__stats {
  display: grid; gap: 1.75rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin: 2rem 0; position: relative; z-index: 1;
}
.sigma-authority__stats li { border-top: 1px solid var(--sigma-border-dark); padding-top: 1.25rem; }
.sigma-authority__number {
  display: block; font-family: var(--font-heading); font-size: 2.6rem; font-weight: 800;
  color: var(--sigma-white); line-height: 1; margin-bottom: .4rem;
}
.sigma-authority__stats h3 { color: var(--sigma-white); margin-bottom: .35rem; }
.sigma-authority__stats p { color: #B8AFA9; font-size: .92rem; margin-bottom: 0; }

/* ---------- Avaliações ---------- */
.sigma-testimonials__list { display: grid; gap: 1.4rem; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); margin-bottom: 2rem; }
.sigma-testimonials__card {
  background: var(--sigma-white); border-radius: var(--sigma-radius); padding: 1.75rem;
  box-shadow: var(--sigma-shadow); border: 1px solid var(--sigma-border); position: relative;
  transition: transform .25s var(--sigma-ease), box-shadow .25s var(--sigma-ease);
}
.sigma-testimonials__card:hover { transform: translateY(-4px); box-shadow: var(--sigma-shadow-lg); }
.sigma-testimonials__quote { width: 30px; height: 30px; color: var(--sigma-gray-lightest); position: absolute; top: 1.4rem; right: 1.4rem; }
.sigma-testimonials__stars { color: var(--sigma-gold); letter-spacing: .12em; display: block; margin-bottom: .75rem; font-size: .95rem; }
.sigma-testimonials__card p:not(.sigma-testimonials__author) { font-size: .95rem; }
.sigma-testimonials__author { font-weight: 700; margin-bottom: 0; display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; font-size: .9rem; }
.sigma-testimonials__badge {
  font-weight: 500; font-size: .72rem; color: var(--sigma-gray-warm);
  background: var(--sigma-gray-lightest); border-radius: 999px; padding: .2rem .65rem;
}

/* ---------- Cross-sell ---------- */
.sigma-cross-sell__grid { display: grid; gap: 1.4rem; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); margin-bottom: 1.75rem; }
.sigma-cross-sell__grid > li {
  background: var(--sigma-white); border-radius: var(--sigma-radius); padding: 1.5rem;
  border: 1px solid var(--sigma-border); box-shadow: var(--sigma-shadow);
}
.sigma-cross-sell__grid p { margin-bottom: 0; font-size: .88rem; color: var(--sigma-gray-warm); }

/* ---------- Benefício de marca ---------- */
.sigma-highlight {
  display: flex; gap: 1.5rem; align-items: flex-start;
  background: var(--sigma-white); max-width: var(--sigma-max-width); margin: 0 auto;
  border-radius: var(--sigma-radius); border: 1px solid var(--sigma-border);
  border-left: 4px solid var(--sigma-gold); box-shadow: var(--sigma-shadow);
  padding: 1.75rem;
  transition: transform .25s var(--sigma-ease), box-shadow .25s var(--sigma-ease);
}
.sigma-highlight:hover { transform: translateY(-3px); box-shadow: var(--sigma-shadow-lg); }
.sigma-highlight__icon {
  flex-shrink: 0; width: 48px; height: 48px; border-radius: 50%;
  background: rgba(139,26,26,.08); color: var(--sigma-red);
  display: flex; align-items: center; justify-content: center;
}
.sigma-highlight__icon svg { width: 24px; height: 24px; }
.sigma-highlight p:last-child { margin-bottom: 0; }
.sigma-highlight__seal {
  display: inline-block; font-family: var(--font-heading); font-weight: 700; font-size: .7rem;
  text-transform: uppercase; letter-spacing: .06em; color: var(--sigma-white);
  background: var(--sigma-gold); border-radius: 999px; padding: .3rem .8rem; margin-bottom: .8rem;
}

/* ---------- Dicas Sigma ---------- */
.sigma-tips__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; max-width: var(--sigma-max-width); margin: 0 auto; }
.sigma-tip {
  background: var(--sigma-white); border-radius: var(--sigma-radius); padding: 1.75rem;
  border: 1px solid var(--sigma-border); box-shadow: var(--sigma-shadow);
  transition: transform .25s var(--sigma-ease), box-shadow .25s var(--sigma-ease);
}
.sigma-tip:hover { transform: translateY(-4px); box-shadow: var(--sigma-shadow-lg); }
.sigma-tip .sigma-tip__label {
  display: inline-block; font-family: var(--font-heading); font-weight: 700; font-size: .72rem;
  text-transform: uppercase; letter-spacing: .06em; color: var(--sigma-white);
  background: var(--sigma-red-support); border-radius: 999px; padding: .3rem .8rem; margin-bottom: .9rem;
}
.sigma-tip h2 { font-size: 1.2rem; }
.sigma-tip p { font-size: .93rem; color: var(--sigma-gray-warm); margin-bottom: 0; }

/* ---------- FAQ ---------- */
.sigma-faq__categories { display: grid; gap: 2.25rem; max-width: 840px; margin: 0 auto; }
.sigma-faq__category-title {
  font-family: var(--font-heading); font-size: .78rem; text-transform: uppercase;
  letter-spacing: .07em; color: var(--sigma-red-support); margin-bottom: 1rem; font-weight: 700;
}
.sigma-faq__list { display: grid; gap: .65rem; }
.sigma-faq__item {
  border: 1px solid var(--sigma-border); border-radius: var(--sigma-radius-sm);
  padding: 1rem 1.25rem; background: var(--sigma-white); transition: border-color .2s var(--sigma-ease);
}
.sigma-faq__item[open] { border-color: var(--sigma-red-support); }
.sigma-faq__item summary {
  font-weight: 700; cursor: pointer; list-style: none; display: flex; align-items: center;
  justify-content: space-between; gap: 1rem; font-size: .98rem;
  transition: color .2s var(--sigma-ease);
}
.sigma-faq__item summary:hover { color: var(--sigma-red-support); }
.sigma-faq__item summary::-webkit-details-marker { display: none; }
.sigma-faq__item summary::after {
  content: ""; flex-shrink: 0; width: 20px; height: 20px;
  background: no-repeat center / contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238B1A1A' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  transition: transform .25s var(--sigma-ease);
}
.sigma-faq__item[open] summary::after { transform: rotate(180deg); }
.sigma-faq__item p { margin: .85rem 0 0 0; font-size: .93rem; color: var(--sigma-gray-warm); }

/* ---------- CTA final ---------- */
.sigma-cta-final { position: relative; overflow: hidden; text-align: center; }
.sigma-cta-final__shape {
  position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(255,255,255,.10), transparent 45%),
              radial-gradient(circle at 85% 80%, rgba(255,255,255,.08), transparent 40%);
}
.sigma-cta-final__content { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.sigma-cta-final .sigma-eyebrow { justify-content: center; }
.sigma-cta-final p { color: #FBEAE6; margin-left: auto; margin-right: auto; }
.sigma-price-tag--on-dark { margin-left: auto; margin-right: auto; align-items: center; }
.sigma-cta-final__note {
  font-size: .88rem; color: #F3D4CC; margin-top: 1.1rem;
  display: flex; align-items: center; justify-content: center; gap: .5rem;
}

/* ---------- Rodapé ---------- */
.sigma-footer { background: var(--sigma-graphite); color: #C9C1BC; }
.sigma-footer__top {
  display: grid; gap: 2.5rem; grid-template-columns: 1.4fr repeat(3, 1fr);
  max-width: var(--sigma-max-width); margin: 0 auto; padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--sigma-border-dark);
}
.sigma-footer__brand { display: flex; gap: 1rem; align-items: flex-start; }
.sigma-footer__brand h2 { color: var(--sigma-white); font-size: 1.15rem; margin-bottom: .25rem; }
.sigma-footer__brand p { color: #B8AFA9; font-size: .9rem; margin-bottom: 0; }
.sigma-footer__col h3 {
  font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--sigma-white);
  margin-bottom: 1rem;
}
.sigma-footer__col ul { display: grid; gap: .65rem; }
.sigma-footer__col a { color: #C9C1BC; text-decoration: none; font-size: .92rem; }
.sigma-footer__col a:hover { color: var(--sigma-white); }
.sigma-footer__col span { color: #8B827D; font-size: .92rem; }
.sigma-footer__bottom {
  max-width: var(--sigma-max-width); margin: 0 auto; padding-top: 1.75rem;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem;
  font-size: .82rem; color: #8B827D;
}
.sigma-footer__bottom p { margin: 0; max-width: none; }

/* ===========================================================
   Responsivo
   =========================================================== */
@media (max-width: 1024px) {
  .sigma-inicial__grid { grid-template-columns: 1fr; }
  .sigma-inicial__visual { order: -1; margin: 0 auto 1rem; max-width: 480px; }
  .sigma-split { grid-template-columns: 1fr; }
  .sigma-gallery__grid { grid-template-columns: 1fr 1fr; }
  .sigma-footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .sigma-navbar__toggle { display: flex; }
  .sigma-navbar__links {
    position: absolute; top: 100%; left: 0; right: 0; background: var(--sigma-bg-warm);
    border-bottom: 1px solid var(--sigma-border); flex-direction: column; gap: 0;
    padding: .5rem 1.5rem; display: none;
  }
  .sigma-navbar__links.is-open { display: flex; }
  .sigma-navbar__links li { border-bottom: 1px solid var(--sigma-border); }
  .sigma-navbar__links a { display: block; padding: .9rem 0; }
  .sigma-navbar__links li.sigma-navbar__cta-item { border-bottom: none; padding: .75rem 0 .25rem; }
  .sigma-navbar__links a.sigma-navbar__cta {
    display: inline-flex; width: 100%; min-height: 48px; padding: .9rem 1.7rem;
  }
  .sigma-navbar__links.is-open { box-shadow: var(--sigma-shadow); }

  .sigma-cta-group { flex-direction: column; }
  .sigma-cta-group .sigma-btn { width: 100%; }

  .sigma-float-card { display: none; }
  .sigma-badge-since { width: 62px; height: 62px; font-size: .68rem; top: 4%; right: 2%; }

  .sigma-keyword-grid { grid-template-columns: 1fr; }

  .sigma-comparison__table-wrap { display: none; }
  .sigma-comparison__cards { display: grid; gap: 1.25rem; grid-template-columns: 1fr; margin-bottom: 2rem; }
  .sigma-comparison__card {
    background: var(--sigma-white); border: 1px solid var(--sigma-border); border-radius: var(--sigma-radius);
    padding: 1.5rem; box-shadow: var(--sigma-shadow);
  }
  .sigma-comparison__card h3 { margin-bottom: .9rem; }
  .sigma-comparison__card ul { display: grid; gap: .55rem; }
  .sigma-comparison__card li { font-size: .9rem; padding-left: 1.5rem; position: relative; color: var(--sigma-gray-warm); }
  .sigma-comparison__card li.is-yes::before { content: "✓"; position: absolute; left: 0; color: var(--sigma-success); font-weight: 700; }
  .sigma-comparison__card li.is-no::before { content: "✕"; position: absolute; left: 0; color: var(--sigma-red-support); font-weight: 700; }
  .sigma-comparison__card li.is-neutral::before { content: "–"; position: absolute; left: 0; color: var(--sigma-gray-warm); }
  .sigma-comparison__card--sigma { border: 2px solid var(--sigma-red); position: relative; }
  .sigma-comparison__card--sigma .sigma-comparison__seal {
    position: static; display: inline-block; margin-bottom: .6rem; background: var(--sigma-red);
    color: var(--sigma-white); padding: .25rem .7rem; border-radius: 999px; font-size: .65rem;
  }

  .sigma-viability__cards { grid-template-columns: 1fr; }
  .sigma-honesty { flex-direction: column; }
  .sigma-tips__grid { grid-template-columns: 1fr; }
  .sigma-footer__top { grid-template-columns: 1fr; }
  .sigma-authority__watermark { display: none; }
}

@media (max-width: 480px) {
  section, .sigma-footer, .sigma-tips, .sigma-honesty { padding-left: 1.1rem; padding-right: 1.1rem; }
  h1 { font-size: 2rem; }
  .sigma-price-tag__value { font-size: 2rem; }
  .sigma-timeline__step { padding-left: 2.75rem; }
}