/* =========================================================
   hackersec.ai — landing exclusiva
   CSS independente do hackersec.css institucional pra manter
   identidade visual distinta (research-grade / cinematográfica).
   ========================================================= */

:root {
  --ai-bg:        #050507;
  --ai-surface:   rgba(20, 20, 26, 0.5);
  --ai-border:    #2a2a30;
  --ai-text-1:    #f0f0f2;
  --ai-text-2:    #c0c5cc;
  --ai-text-3:    #8b949e;
  --ai-text-dim:  rgba(240, 240, 242, 0.42);
  --ai-attack:    #dc2626;
  --ai-defense:   #2563eb;
  --ai-grad:      linear-gradient(135deg, #dc2626 0%, #2563eb 100%);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--ai-bg);
  color: var(--ai-text-1);
  font-family: 'Geist', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body { overflow-x: hidden; }

a { color: inherit; text-decoration: none; }

img { display: block; max-width: 100%; }

/* ============ NAV MINIMAL ============ */
.ai-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 22px 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(5, 5, 7, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.ai-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ai-nav-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.ai-nav-brand img {
  height: 15px;
  opacity: 0.9;
}
.ai-nav-brand .ai-tag {
  font-family: 'Geist Mono', monospace;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--ai-text-2);
  padding: 5px 12px;
  border: 1px solid var(--ai-border);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 0;
  text-transform: lowercase;
}
.ai-nav-links {
  display: flex;
  align-items: center;
  gap: 44px;
  font-size: 15px;
  color: var(--ai-text-2);
}
.ai-nav-links a {
  transition: color 0.15s;
}
.ai-nav-links a:hover { color: var(--ai-text-1); }
/* Language switcher (dropdown) */
.ai-nav-lang {
  position: relative;
}
.ai-nav-lang summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-family: 'Geist Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ai-text-2);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  list-style: none;
  transition: all 0.15s;
  user-select: none;
}
.ai-nav-lang summary::-webkit-details-marker { display: none; }
.ai-nav-lang summary:hover,
.ai-nav-lang[open] summary {
  color: var(--ai-text-1);
  border-color: var(--ai-border);
}
.ai-lang-chevron {
  font-size: 10px;
  transition: transform 0.2s;
  opacity: 0.7;
}
.ai-nav-lang[open] .ai-lang-chevron {
  transform: rotate(180deg);
}
.ai-lang-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 96px;
  background: rgba(5, 5, 7, 0.95);
  border: 1px solid var(--ai-border);
  padding: 4px;
  display: flex;
  flex-direction: column;
  z-index: 200;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.ai-lang-menu a {
  padding: 9px 14px;
  font-family: 'Geist Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ai-text-2);
  transition: all 0.12s;
}
.ai-lang-menu a:hover {
  color: var(--ai-text-1);
  background: rgba(255, 255, 255, 0.04);
}
.ai-lang-menu a.active {
  color: var(--ai-text-1);
  font-weight: 600;
}

.ai-nav-cta {
  position: relative;
  padding: 8px 18px;
  border-radius: 4px;
  background: transparent;
  border: 0;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.15s, box-shadow 0.15s;
  z-index: 0;
}
.ai-nav-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1.5px;
  border-radius: 4px;
  background: linear-gradient(135deg, #dc2626 0%, #2563eb 100%);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  transition: filter 0.2s;
}
.ai-nav-cta:hover {
  background: rgba(220, 38, 38, 0.08);
  box-shadow: 0 0 16px rgba(220, 38, 38, 0.15);
}
.ai-nav-cta:hover::before {
  filter: brightness(1.25) saturate(1.2);
}

/* ============ HERO ============ */
.ai-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 160px 56px 120px;
  text-align: center;
  overflow: hidden;
}

/* Background mesh hexagonal (SVG injetado via JS) */
.ai-hero-mesh {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  -webkit-mask-image: radial-gradient(ellipse 95% 80% at 50% 50%, black 50%, transparent 100%);
  mask-image: radial-gradient(ellipse 95% 80% at 50% 50%, black 50%, transparent 100%);
}
.ai-hero-mesh svg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  display: block;
}
@keyframes aiHexPulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.25; }
}
.ai-hero-mesh .pulse {
  animation: aiHexPulse var(--dur, 5s) ease-in-out infinite;
  animation-delay: var(--dly, 0s);
}

/* Glows soft dos cantos */
.ai-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 0% 0%, rgba(220, 38, 38, 0.10), transparent 55%),
    radial-gradient(ellipse 60% 50% at 100% 100%, rgba(37, 99, 235, 0.10), transparent 55%);
  pointer-events: none;
  z-index: 0;
}

.ai-hero > .ai-container { position: relative; z-index: 2; }

.ai-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: 'Geist Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--ai-text-dim);
  text-transform: uppercase;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--ai-border);
  border-radius: 4px;
  margin-bottom: 36px;
}
.ai-eyebrow .live-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ai-attack);
  box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.6);
  animation: livePulse 2.4s ease-out infinite;
}
@keyframes livePulse {
  0%   { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.55); }
  70%  { box-shadow: 0 0 0 12px rgba(220, 38, 38, 0); }
  100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0); }
}

/* Hero tagline — destaque principal */
.ai-hero h1,
.ai-hero h1.ai-hero-tagline {
  font-size: 72px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.035em;
  max-width: 1080px;
  margin: 0 auto 28px;
  text-wrap: balance;
  color: var(--ai-text-1);
}
.ai-hero h1 .hl {
  background: var(--ai-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.ai-hero-sub {
  font-size: 18px;
  line-height: 1.55;
  color: var(--ai-text-2);
  max-width: 720px;
  margin: 0 auto 40px;
}
.ai-hero-sub b { color: #fff; font-weight: 600; }

/* 3 pilares (Pentest AI-First | Yaga | HAS) — referência Terafab */
.ai-pillars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  margin-bottom: 50px;
  font-family: 'Geist Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--ai-text-2);
  text-transform: uppercase;
  flex-wrap: wrap;
}
.ai-pillars .sep {
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.25);
}
.ai-pillars span:not(.sep) {
  font-weight: 500;
}

/* CTAs */
.ai-cta-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
/* Botão base: transparente, texto branco */
.ai-btn {
  position: relative;
  display: inline-block;
  padding: 16px 30px;
  font-family: 'Geist', sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s, box-shadow 0.15s, border-color 0.15s;
  text-transform: uppercase;
  background: transparent;
  color: #fff;
  border: 1px solid var(--ai-border);
  z-index: 0;
}

/* Primary (destaque) — borda gradiente red→blue */
.ai-btn-primary {
  border: 0;
}
.ai-btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1.5px;
  border-radius: 4px;
  background: linear-gradient(135deg, #dc2626 0%, #2563eb 100%);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
  transition: filter 0.2s;
}
.ai-btn-primary:hover::before {
  filter: brightness(1.25) saturate(1.2);
}
.ai-btn-primary:hover {
  background: rgba(220, 38, 38, 0.07);
  box-shadow: 0 0 24px rgba(220, 38, 38, 0.18);
}

/* Ghost (comum) — borda cinza simples */
.ai-btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.04);
}

/* ============ CONTAINER COMUM ============ */
.ai-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 56px;
  width: 100%;
}

/* ============ SECTION GENÉRICA ============ */
.ai-section {
  position: relative;
  padding: 180px 0;
}
.ai-section-eyebrow {
  font-family: 'Geist Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--ai-attack);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.ai-section h2 {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  max-width: 820px;
  margin-bottom: 24px;
  text-wrap: balance;
}
.ai-section h2 .hl {
  background: var(--ai-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.ai-section .ai-lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--ai-text-2);
  max-width: 720px;
}
.ai-section .ai-lead b { color: #fff; font-weight: 600; }

/* ============ THESIS / MANIFESTO ============ */
.ai-thesis .ai-lead {
  font-size: 20px;
  line-height: 1.55;
  max-width: 880px;
  color: var(--ai-text-2);
  font-weight: 400;
}
.ai-thesis .ai-lead b { color: #fff; font-weight: 500; }

/* ============ YAGA (imagem como atmosfera, conteúdo no container padrão) ============ */
.ai-yaga {
  position: relative;
  overflow: hidden;
}
.ai-yaga-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.ai-yaga-bg img {
  position: absolute;
  top: 50%;
  right: -3%;
  transform: translateY(-50%);
  height: 110%;
  width: auto;
  opacity: 0.20;
  object-fit: contain;
  -webkit-mask-image: radial-gradient(ellipse 75% 80% at 75% 50%, black 25%, transparent 75%);
  mask-image: radial-gradient(ellipse 75% 80% at 75% 50%, black 25%, transparent 75%);
  filter: saturate(0.9);
}
.ai-yaga .ai-container {
  position: relative;
  z-index: 1;
}
.ai-yaga-text {
  max-width: 760px;
}
.ai-yaga-name {
  font-size: 140px;
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
  background: var(--ai-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 24px;
  margin-top: 16px;
}
.ai-yaga-text p {
  font-size: 18px;
  line-height: 1.6;
  color: var(--ai-text-2);
  margin-bottom: 16px;
}
.ai-yaga-text p b { color: #fff; font-weight: 600; }
@media (max-width: 992px) {
  .ai-yaga-bg img { opacity: 0.12; height: 90%; }
}
.ai-yaga-content p b { color: #fff; font-weight: 600; }
.ai-yaga-bullets {
  margin-top: 36px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  max-width: 640px;
}
.ai-yaga-bullet {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 17px;
  color: var(--ai-text-2);
  line-height: 1.55;
}
.ai-yaga-bullet:last-child { border-bottom: 0; }
.ai-yaga-bullet b { color: #fff; font-weight: 600; }
.ai-yaga-bullet .num {
  font-family: 'Geist Mono', monospace;
  font-size: 12px;
  color: var(--ai-attack);
  letter-spacing: 0.16em;
  flex-shrink: 0;
  width: 32px;
  padding-top: 2px;
}

/* ============ AUTORIDADE / 3 COLUNAS ============ */
.ai-authority-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 64px;
}
.ai-auth-col {
  padding-top: 28px;
  border-top: 2px solid var(--ai-border);
  position: relative;
}
.ai-auth-col.red    { border-top-color: var(--ai-attack); }
.ai-auth-col.purple { border-top-color: #c084fc; }
.ai-auth-col.blue   { border-top-color: var(--ai-defense); }
.ai-auth-col h3 {
  font-family: 'Geist Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ai-text-dim);
  margin-bottom: 12px;
}
.ai-auth-col h4 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ai-text-1);
  margin-bottom: 20px;
}
.ai-auth-col ul {
  list-style: none;
  padding: 0;
}
.ai-auth-col li {
  padding: 11px 0;
  font-size: 16px;
  line-height: 1.45;
  color: var(--ai-text-2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.ai-auth-col li:last-child { border-bottom: 0; }

/* ============ TRACK RECORD (Quem somos, 3 colunas estilo Terafab) ============ */
.ai-track-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 72px;
}
.ai-track-col {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.ai-track-col h3 {
  font-family: 'Geist', sans-serif;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ai-text-1);
  margin-bottom: 6px;
}
.ai-track-col h4 {
  font-family: 'Geist Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ai-text-dim);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 24px;
}
.ai-track-col ul {
  list-style: none;
  padding: 0;
}
.ai-track-col li {
  padding: 11px 0;
  font-size: 15px;
  line-height: 1.45;
  color: var(--ai-text-2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.ai-track-col li:last-child { border-bottom: 0; }

/* ============ AI FLOW (Pentest AI-First, 4 etapas) ============ */
.ai-flow {
  display: flex;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: 14px;
  margin-top: 56px;
}
.ai-flow-step {
  flex: 1 1 0;
  min-width: 0;
  padding: 26px 22px;
  background: transparent;
  border: 1px solid var(--ai-border);
  border-radius: 4px;
  position: relative;
}
.ai-flow-num {
  font-family: 'Geist Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ai-text-dim);
  margin-bottom: 12px;
  font-weight: 600;
  text-transform: uppercase;
}
.ai-flow-step h3 {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  color: var(--ai-text-1);
}
.ai-flow-step p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ai-text-2);
}
.ai-flow-arrow {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--ai-text-dim);
  font-weight: 300;
}

/* ============ QUOTE (CEO statement) ============ */
.ai-quote {
  margin-top: 64px;
  padding: 28px 32px;
  border-left: 2px solid;
  border-image: linear-gradient(to bottom, #dc2626 0%, #2563eb 100%) 1;
  max-width: 900px;
}
.ai-quote p {
  font-size: 22px;
  line-height: 1.45;
  color: var(--ai-text-1);
  font-weight: 400;
  letter-spacing: -0.005em;
  font-style: italic;
}
.ai-quote cite {
  display: block;
  margin-top: 16px;
  font-size: 13px;
  color: var(--ai-text-3);
  font-style: normal;
  font-family: 'Geist Mono', monospace;
  letter-spacing: 0.08em;
}

/* ============ HAS FEATURES GRID ============ */
.ai-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.ai-feature {
  padding: 28px 26px;
  background: transparent;
  border: 1px solid var(--ai-border);
  border-radius: 4px;
}
.ai-feature h3 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
  color: var(--ai-text-1);
}
.ai-feature p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ai-text-2);
}

/* ============ BENCHMARK TÉCNICO (Yaga vs frontier AI models) ============ */
.ai-bench-section { padding-bottom: 100px; }
.ai-bench-table {
  margin-top: 56px;
  border: 1px solid var(--ai-border);
  border-radius: 4px;
  overflow: hidden;
  background: transparent;
}
.ai-bench-row {
  display: grid;
  grid-template-columns: 2.6fr 1fr 1fr 1fr 1.1fr;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
/* Tabela de LLM backbones tem 6 colunas (inclui gray-box) */
.ai-bench-table-llm .ai-bench-row {
  grid-template-columns: 1.6fr 0.9fr 0.9fr 0.9fr 1fr 1.5fr;
}
.ai-bench-row:last-child { border-bottom: 0; }
.ai-bench-row.head {
  background: rgba(0, 0, 0, 0.4);
  font-family: 'Geist Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ai-text-dim);
}
.ai-bench-cell {
  padding: 18px 20px;
  font-size: 15px;
  color: var(--ai-text-2);
  display: flex;
  align-items: center;
}
.ai-bench-row:not(.head) .ai-bench-cell.label {
  color: var(--ai-text-1);
  font-weight: 500;
}
.ai-bench-cell.label sup {
  font-size: 10px;
  color: var(--ai-text-dim);
  margin-left: 3px;
  vertical-align: super;
}
.ai-bench-cell.num {
  font-family: 'Geist Mono', monospace;
  font-size: 16px;
  font-weight: 500;
}
.ai-bench-cell.highlight {
  position: relative;
  color: #fff;
  font-weight: 600;
  background: rgba(220, 38, 38, 0.05);
}
.ai-bench-row.head .ai-bench-cell.highlight {
  background: rgba(220, 38, 38, 0.10);
  color: var(--ai-text-1);
  font-weight: 700;
}
.ai-bench-cell.highlight::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--ai-grad);
}
.ai-bench-row:not(.head) .ai-bench-cell.highlight::before {
  display: none;
}

.ai-bench-footnotes {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 980px;
}
.ai-bench-footnotes p {
  font-family: 'Geist Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ai-text-3);
  line-height: 1.6;
}
.ai-bench-footnotes p sup {
  color: var(--ai-attack);
  margin-right: 4px;
}
.ai-bench-disclaimer {
  margin-top: 12px !important;
  padding-top: 12px !important;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--ai-text-dim) !important;
}

@media (max-width: 992px) {
  .ai-bench-row { grid-template-columns: 1fr; }
  .ai-bench-row.head { display: none; }
  .ai-bench-cell { padding: 12px 18px; }
  .ai-bench-cell.label {
    background: rgba(0, 0, 0, 0.3);
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }
}

/* ============ TABELA DE COMPARAÇÃO (estilo benchmark research) ============ */
.ai-compare-section { padding-bottom: 100px; }
.ai-compare-table {
  margin-top: 56px;
  border: 1px solid var(--ai-border);
  border-radius: 4px;
  overflow: hidden;
  background: transparent;
}
.ai-compare-row {
  display: grid;
  grid-template-columns: 2.4fr 1fr 1fr 1.1fr;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.ai-compare-row:last-child { border-bottom: 0; }
.ai-compare-row.head {
  background: rgba(0, 0, 0, 0.4);
  font-family: 'Geist Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ai-text-dim);
}
.ai-compare-cell {
  padding: 18px 22px;
  font-size: 15px;
  color: var(--ai-text-2);
  display: flex;
  align-items: center;
}
.ai-compare-row:not(.head) .ai-compare-cell.label {
  color: var(--ai-text-1);
  font-weight: 500;
}
.ai-compare-cell.highlight {
  position: relative;
  color: #fff;
  font-weight: 500;
  background: rgba(220, 38, 38, 0.05);
}
.ai-compare-row.head .ai-compare-cell.highlight {
  background: rgba(220, 38, 38, 0.10);
  color: var(--ai-text-1);
  font-weight: 600;
}
.ai-compare-cell.highlight::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--ai-grad);
}
.ai-compare-row:not(.head) .ai-compare-cell.highlight::before {
  display: none;
}
.ai-methodology-note {
  margin-top: 24px;
  font-family: 'Geist Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ai-text-3);
  line-height: 1.6;
  max-width: 880px;
}

@media (max-width: 992px) {
  .ai-compare-row { grid-template-columns: 1fr; }
  .ai-compare-row.head { display: none; }
  .ai-compare-cell { padding: 12px 18px; }
  .ai-compare-cell.label {
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-family: 'Geist Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ai-text-dim) !important;
  }
}

/* ============ STATS NUMBERS (big numbers, estilo Terafab "1 BILLION") ============ */
.ai-stats-section { padding-top: 140px; padding-bottom: 160px; }
.ai-stats-numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-top: 64px;
}
.ai-stat-num-card {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 32px;
}
.ai-stat-big {
  font-size: 96px;
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.045em;
  margin-bottom: 18px;
  background: var(--ai-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.ai-stat-desc {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ai-text-2);
  max-width: 340px;
}
@media (max-width: 992px) {
  .ai-stats-numbers { grid-template-columns: 1fr; gap: 24px; }
  .ai-stat-big { font-size: 64px; }
}

/* ============ CTA FINAL ============ */
.ai-cta-section {
  padding: 140px 0;
  text-align: center;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(220, 38, 38, 0.06), transparent 70%);
}
.ai-cta-section h2 {
  font-size: 52px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 880px;
  margin: 0 auto 24px;
  text-wrap: balance;
}
.ai-cta-section .ai-lead {
  margin: 0 auto 40px;
  font-size: 18px;
}

/* ============ FOOTER (institucional adaptado) ============ */
.ai-footer {
  padding: 80px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(0, 0, 0, 0.3);
}
.ai-footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}
.ai-footer-brand-col img.ai-footer-logo {
  height: 48px;
  opacity: 0.9;
  margin-bottom: 24px;
}
.ai-footer-brand-col p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ai-text-3);
  max-width: 320px;
}
.ai-footer-col h4 {
  font-family: 'Geist Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ai-text-dim);
  margin-bottom: 18px;
}
.ai-footer-col ul {
  list-style: none;
  padding: 0;
}
.ai-footer-col li {
  margin-bottom: 10px;
}
.ai-footer-col a {
  font-size: 14px;
  color: var(--ai-text-2);
  transition: color 0.15s;
}
.ai-footer-col a:hover { color: var(--ai-text-1); }

.ai-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  flex-wrap: wrap;
  gap: 18px;
}
.ai-footer-bottom p {
  font-size: 13px;
  color: var(--ai-text-3);
}
.ai-footer-social {
  display: flex;
  gap: 8px;
}
.ai-footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--ai-border);
  border-radius: 4px;
  font-family: 'Geist Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--ai-text-2);
  transition: all 0.15s;
}
.ai-footer-social a:hover {
  border-color: var(--ai-attack);
  color: #fff;
  background: rgba(220, 38, 38, 0.1);
}

@media (max-width: 992px) {
  .ai-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .ai-footer-brand-col {
    grid-column: 1 / -1;
  }
}

/* ============ RESPONSIVO ============ */
@media (max-width: 992px) {
  .ai-hero { padding: 130px 24px 80px; }
  .ai-hero h1 { font-size: 48px; line-height: 1.1; }
  .ai-hero-sub { font-size: 17px; }
  .ai-pillars { gap: 14px; font-size: 11px; flex-wrap: wrap; justify-content: center; }
  .ai-pillars .sep { height: 11px; }
  .ai-section { padding: 100px 0; }
  .ai-section h2 { font-size: 36px; line-height: 1.15; }
  .ai-section .ai-lead { font-size: 16px; }
  .ai-yaga-name { font-size: 76px; }
  .ai-yaga-text p { font-size: 16px; }
  .ai-yaga-bullet { font-size: 15px; }
  .ai-authority-grid { grid-template-columns: 1fr; gap: 36px; }
  /* AI Flow é flex (não grid): forçar coluna no mobile */
  .ai-flow { flex-direction: column; flex-wrap: wrap; gap: 18px; }
  .ai-flow-step { flex: 1 1 auto; }
  .ai-flow-arrow { transform: rotate(90deg); padding: 4px 0; }
  .ai-features { grid-template-columns: 1fr; gap: 14px; }
  .ai-disc-grid { grid-template-columns: 1fr; gap: 16px; }
  /* Tabela de LLM backbones: força 1 coluna no mobile (override da regra de 6 cols) */
  .ai-bench-table-llm .ai-bench-row { grid-template-columns: 1fr; }
  .ai-cta-section h2 { font-size: 38px; }
  .ai-container { padding: 0 22px; }
  .ai-nav { padding: 14px 0; }
  .ai-nav-inner { justify-content: center; }
  .ai-nav-links { display: none; }
  .ai-nav-brand { gap: 10px; }
  .ai-nav-brand img { height: 14px; }
  .ai-nav-brand .ai-tag { font-size: 13px; padding: 4px 10px; }
  .ai-quote p { font-size: 18px; }
  .ai-quote { padding: 22px 24px; }
  .ai-stat-big { font-size: 56px; }
  .ai-footer { padding: 60px 0 30px; }
  .ai-footer-bottom { flex-direction: column; align-items: flex-start; gap: 18px; }
}