/* THEMES */
:root {
  /* LIGHT THEME (Alto Contraste) */
  --bg-main: #ffffff;
  --bg-sec: #f4f5f8;
  --bg-alt: #eef1f6;
  --text-main: #0f172a;
  --text-muted: #475569;
  --gold: #d97706;
  --gold-light: #f59e0b;
  --gold-dim: rgba(217, 119, 6, 0.15);
  --teal: #0d9488;
  --teal-dim: rgba(13, 148, 136, 0.15);
  --border-subtle: rgba(15, 23, 42, 0.1);
  --border-hover: rgba(217, 119, 6, 0.35);
  --nav-blur: rgba(255, 255, 255, 0.9);
  --btn-main: #0f172a;
  --btn-text: #ffffff;
  --glow-gold: rgba(217, 119, 6, 0.25);
  --glow-teal: rgba(13, 148, 136, 0.15);
  --grid-line: rgba(15, 23, 42, 0.04);

  /* CONTRAST HELPERS (LIGHT) */
  --muted-strong: #334155;
  /* mais escuro que text-muted, melhor leitura em fundo claro */
  --border-strong: rgba(15, 23, 42, 0.18);
  --input-placeholder: rgba(15, 23, 42, 0.45);
  --focus-glow: rgba(217, 119, 6, 0.12);

  /* Method section explicit contrast (will be overridden in dark theme) */
  --method-bg: var(--text-main);
  /* escuro em tema claro */
  --method-text: var(--bg-main);
  --method-text-rgb: 255, 255, 255;

  /* Architecture panel background */
  --bg-panel: #eef1f6;
}

[data-theme="dark"] {
  /* DARK THEME */
  --bg-main: #0c0b0a;
  --bg-sec: #131210;
  --bg-alt: #1a1815;
  --text-main: #f3f1ec;
  --text-muted: #959086;
  --gold: #d8b65e;
  --gold-light: #ebd08d;
  --gold-dim: rgba(216, 182, 94, 0.12);
  --teal: #1bbca9;
  --teal-dim: rgba(27, 188, 169, 0.12);
  --border-subtle: rgba(243, 241, 236, 0.08);
  --border-hover: rgba(216, 182, 94, 0.3);
  --nav-blur: rgba(12, 11, 10, 0.85);
  --btn-main: #f3f1ec;
  --btn-text: #0c0b0a;
  --glow-gold: rgba(216, 182, 94, 0.15);
  --glow-teal: rgba(27, 188, 169, 0.1);
  --grid-line: rgba(243, 241, 236, 0.025);

  /* CONTRAST HELPERS (DARK) */
  --muted-strong: #bdb6a9;
  /* ligeiramente mais forte que text-muted no tema escuro */
  --border-strong: rgba(243, 241, 236, 0.14);
  --input-placeholder: rgba(243, 241, 236, 0.32);
  --focus-glow: rgba(27, 188, 169, 0.06);

  /* Method section: keep alto contraste em dark também (escuro com texto claro) */
  --method-bg: var(--bg-alt);
  --method-text: var(--text-main);
  --method-text-rgb: 243, 241, 236;

  /* Architecture panel background */
  --bg-panel: #1a1815;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  background: var(--bg-main);
  color: var(--text-main);
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
  line-height: 1.6;
}

::selection {
  background: var(--gold);
  color: var(--bg-main);
}

/* LAYOUT & UTILS */
.container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 5%;
  position: relative;
  z-index: 2;
}

.text-gold {
  color: var(--gold);
}

.text-teal {
  color: var(--teal);
}

.text-muted {
  color: var(--text-muted);
}

.mono {
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.heading {
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 0.1s;
}

.delay-2 {
  transition-delay: 0.2s;
}

.delay-3 {
  transition-delay: 0.3s;
}

/* AMBIENT EFFECTS */
.bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background-size: 60px 60px;
  background-image: linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  pointer-events: none;
}

.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.6;
  pointer-events: none;
  z-index: 1;
}

/* NAVIGATION */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 0;
  background: var(--nav-blur);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: transform 0.4s ease, padding 0.3s ease;
}

nav.scrolled {
  padding: 1rem 0;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

@media (max-width: 768px) {
  nav.menu-open {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--bg-main);
    height: 100vh;
    border-bottom: none;
  }
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--text-main);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.logo-text {
  /* inline por padrão; ocultado em telas ≤380px via media query */
}

/* Elemento exclusivo do menu mobile — oculto em desktop */
.mobile-nav-cta {
  display: none;
}

.logo-mark {
  width: 44px;
  height: 44px;
  border: 1.5px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  background: transparent;
  overflow: hidden;
  padding: 3px;
  flex-shrink: 0;
}

.logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: filter 0.3s;
  mix-blend-mode: multiply;
}

[data-theme="dark"] .logo-img {
  filter: invert(1);
  mix-blend-mode: screen;
}

.logo:hover .logo-mark {
  background: var(--gold);
}

.logo:hover .logo-img {
  mix-blend-mode: multiply;
}

[data-theme="dark"] .logo:hover .logo-img {
  filter: none;
  mix-blend-mode: multiply;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--gold);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.theme-toggle {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  transition: all 0.2s;
}

.theme-toggle:hover {
  background: var(--bg-sec);
  color: var(--gold);
}

.btn-primary {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  color: var(--btn-text);
  background: var(--btn-main);
  padding: 0.85rem 1.8rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid transparent;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  border-radius: 6px;
}

.btn-primary:hover {
  background: transparent;
  color: var(--gold);
  border-color: var(--gold);
  gap: 1rem;
  box-shadow: 0 0 20px var(--glow-gold);
}

.btn-primary:focus {
  outline: 3px solid rgba(217, 119, 6, 0.12);
  outline-offset: 3px;
}

.btn-outline {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  color: var(--text-main);
  background: transparent;
  border: 1px solid var(--border-strong);
  padding: 0.85rem 1.8rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: all 0.3s ease;
  border-radius: 6px;
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--bg-sec);
}

/* HERO SECTION */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: var(--gold);
  top: -100px;
  right: -100px;
  filter: blur(200px);
  opacity: 0.15;
}

.hero-glow-2 {
  width: 500px;
  height: 500px;
  background: var(--teal);
  bottom: 100px;
  left: -150px;
  filter: blur(180px);
  opacity: 0.1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-strong);
  background: var(--bg-sec);
  border-radius: 2rem;
  color: var(--muted-strong);
  margin-bottom: 2rem;
  animation: fadeUp 1s ease 0.2s both;
}

.hero-badge .pulse {
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--gold);
  animation: pulse 2s infinite;
}

.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 4rem);
  margin-bottom: 1.5rem;
  max-width: 700px;
  animation: fadeUp 1s ease 0.3s both;
}

.hero-title .outline {
  -webkit-text-stroke: 1.5px var(--text-muted);
  color: transparent;
}

.hero-desc {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--muted-strong);
  max-width: 680px;
  margin-bottom: 3rem;
  animation: fadeUp 1s ease 0.4s both;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 4rem;
  animation: fadeUp 1s ease 0.5s both;
}

.hero-stats {
  display: flex;
  gap: 4rem;
  border-top: 1px solid var(--border-strong);
  padding-top: 2rem;
  animation: fadeUp 1s ease 0.6s both;
}

.stat-val {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: 3rem;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.5rem;
}

/* HERO LAYOUT & IMAGE FRAME (V2 PORT FIX) */
.hero-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 5rem;
  align-items: center;
  width: 100%;
}

.hero-img-frame {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
  width: 100%;
}

.hero-img-frame img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.hero-img-tag {
  position: absolute;
  bottom: 2.5rem;
  left: -2.5rem;
  background: var(--nav-blur);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-strong);
  padding: 1.25rem 1.75rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
  z-index: 10;
}

.hero-img-tag .tag-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 15px var(--glow-teal);
  animation: pulse 2s infinite;
}

.hero-img-tag .tag-text {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
}

.hero-img-tag .tag-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.3rem;
}

@media (max-width: 1024px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .hero-img-tag {
    left: 1.5rem;
    bottom: 1.5rem;
  }
}

/* MARQUEE */
.marquee-container {
  position: relative;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.5rem 0;
  background: var(--bg-sec);
  overflow: hidden;
  display: flex;
}

.marquee-track {
  display: flex;
  white-space: nowrap;
  animation: scroll-left 40s linear infinite;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 2rem;
  padding: 0 2rem;
  color: var(--muted-strong);
  opacity: 0.9;
}

.marquee-item span {
  width: 4px;
  height: 4px;
  background: var(--gold);
  border-radius: 50%;
}

@keyframes scroll-left {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

/* UNIVERSAL SECTION STYLES */
.section {
  padding: 8rem 0;
  position: relative;
  border-bottom: 1px solid var(--border-subtle);
}

.sec-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--gold);
  margin-bottom: 1.5rem;
}

.sec-label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--gold);
}

.sec-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  max-width: 800px;
  margin-bottom: 1.5rem;
}

.sec-desc {
  font-size: 1.15rem;
  color: var(--muted-strong);
  max-width: 600px;
  margin-bottom: 5rem;
  font-weight: 300;
  line-height: 1.7;
}

/* PROBLEMS SECTION */
.problems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.problem-card {
  padding: 3rem;
  background: var(--bg-sec);
  border: 1px solid var(--border-strong);
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
  border-radius: 6px;
}

.problem-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  background: var(--bg-alt);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.problem-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}

.problem-card:hover::after {
  transform: scaleX(1);
}

.p-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2.5rem;
  color: var(--border-hover);
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.p-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.p-desc {
  color: var(--muted-strong);
  font-size: 1rem;
  font-weight: 300;
}

/* SERVICES SECTION */
.services-section {
  background: var(--bg-sec);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.services-grid--2col {
  grid-template-columns: repeat(2, 1fr);
}

.svc-card {
  padding: 3.5rem;
  background: var(--bg-alt);
  border: 1px solid var(--border-strong);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: all 0.4s ease;
  border-radius: 6px;
  position: relative;
  z-index: 2;
}

.svc-card:hover {
  border-color: var(--gold);
  box-shadow: 0 10px 40px var(--glow-gold);
  z-index: 5;
}

.svc-icon {
  width: 48px;
  height: 48px;
  border: 1px solid var(--gold-dim);
  background: var(--gold-dim);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  margin-bottom: 2rem;
}

.svc-tag {
  color: var(--teal);
  margin-bottom: 0.75rem;
}

.svc-name {
  font-size: 2rem;
  margin-bottom: 1.25rem;
}

.svc-desc {
  color: var(--muted-strong);
  flex-grow: 1;
  margin-bottom: 2.5rem;
  font-weight: 300;
}

.svc-price {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 500;
}

/* METHOD SECTION (CORE) */
.method-section {
  /* now uses semantic variables defined per theme for reliable contrast */
  background: var(--method-bg);
  color: var(--method-text);
  overflow: hidden;
}

.method-section .sec-label,
.method-section .sec-title {
  color: var(--method-text);
}

.method-section .sec-desc {
  color: rgba(var(--method-text-rgb, 0, 0, 0), 0.85);
  /* fallback handled by per-element color below */
}

/* Because we can't easily interpolate rgb vars here for all browsers, set explicit colors for common cases */
[data-theme="light"] .method-section .sec-desc {
  color: rgba(255, 255, 255, 0.85);
}

[data-theme="dark"] .method-section .sec-desc {
  color: rgba(243, 241, 236, 0.85);
}

/* CORE FRAMEWORK — STEPS (REDESIGN) */
.core-intro {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 4rem;
  margin-bottom: 5rem;
  flex-wrap: wrap;
}

.core-intro-text {
  flex: 1;
  min-width: 280px;
}

.core-wordmark {
  display: flex;
  gap: 0;
  flex-shrink: 0;
  align-self: center;
}

.core-letter-mark {
  font-family: 'Outfit', sans-serif;
  font-size: 7rem;
  font-weight: 200;
  line-height: 1;
  color: var(--gold);
  opacity: 0.1;
  letter-spacing: -0.03em;
  transition: opacity 0.5s ease;
}

.method-section:hover .core-letter-mark {
  opacity: 0.22;
}

.core-steps {
  position: relative;
}

.core-steps::before {
  content: '';
  position: absolute;
  left: 2.35rem;
  top: 4rem;
  bottom: 4rem;
  width: 1px;
  background: linear-gradient(to bottom,
      var(--gold) 0%,
      var(--teal) 65%,
      transparent 100%);
  opacity: 0.18;
  z-index: 0;
}

.core-step {
  display: grid;
  grid-template-columns: 4.8rem 1fr;
  padding: 3rem 0;
  border-bottom: 1px solid rgba(var(--method-text-rgb, 243, 241, 236), 0.07);
  position: relative;
  cursor: default;
}

.core-step:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.core-step-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 0.2rem;
  position: relative;
  z-index: 1;
}

.core-step-node {
  width: 4.7rem;
  height: 4.7rem;
  border: 1px solid rgba(var(--method-text-rgb, 243, 241, 236), 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Outfit', sans-serif;
  font-size: 2rem;
  font-weight: 200;
  color: var(--gold);
  opacity: 0.4;
  background: transparent;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.core-step:hover .core-step-node {
  border-color: var(--gold);
  opacity: 1;
  box-shadow: 0 0 32px var(--glow-gold);
  background: var(--gold-dim);
  transform: scale(1.08);
}

.core-step-right {
  padding: 0 0 0 3rem;
}

.core-step-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teal);
  margin-bottom: 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  opacity: 0.8;
}

.core-step-tag::before {
  content: '';
  width: 14px;
  height: 1px;
  background: var(--teal);
  flex-shrink: 0;
}

.core-step-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.9rem;
  font-weight: 400;
  color: var(--method-text);
  margin-bottom: 0.85rem;
  line-height: 1.15;
  transition: color 0.3s;
}

.core-step:hover .core-step-title {
  color: var(--gold-light);
}

.core-step-desc {
  color: var(--method-text);
  opacity: 0.62;
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.75;
  max-width: 640px;
  margin-bottom: 1.5rem;
  transition: opacity 0.3s;
}

.core-step:hover .core-step-desc {
  opacity: 0.9;
}

.core-step-deliverables {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.core-deliverable {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.8rem;
  border: 1px solid rgba(var(--method-text-rgb, 243, 241, 236), 0.1);
  border-radius: 2rem;
  color: var(--method-text);
  opacity: 0.38;
  transition: all 0.3s;
  white-space: nowrap;
}

.core-step:hover .core-deliverable {
  opacity: 0.72;
  border-color: rgba(var(--method-text-rgb, 243, 241, 236), 0.22);
}

@media (max-width: 900px) {
  .core-wordmark {
    display: none;
  }

  .core-intro {
    margin-bottom: 3rem;
  }
}

@media (max-width: 768px) {
  .core-steps::before {
    display: none;
  }

  .core-step {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding: 2.5rem 0;
  }

  .core-step-left {
    flex-direction: row;
    gap: 1rem;
    align-items: center;
  }

  .core-step-node {
    width: 3.5rem;
    height: 3.5rem;
    font-size: 1.5rem;
    flex-shrink: 0;
  }

  .core-step-right {
    padding: 0;
  }

  .core-step-title {
    font-size: 1.4rem;
  }
}

/* DIFFERENTIATORS */
.diff-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.diff-visual {
  position: relative;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.diff-graph {
  position: relative;
  width: 100%;
  height: 100%;
}

.node {
  position: absolute;
  border: 1px solid var(--border-strong);
  background: var(--bg-alt);
  padding: 1.5rem;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: border-color 0.3s;
}

.node:hover {
  border-color: var(--teal);
}

.node-cent {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-color: var(--gold);
  z-index: 3;
  background: var(--bg-main);
  text-align: center;
}

.node-1 {
  top: 10%;
  left: 10%;
  animation: float 6s ease-in-out infinite;
  z-index: 2;
}

.node-2 {
  bottom: 15%;
  right: 5%;
  animation: float 7s ease-in-out infinite reverse;
  z-index: 2;
}

.node-3 {
  top: 20%;
  right: 15%;
  animation: float 8s ease-in-out infinite 1s;
  z-index: 2;
}

.conn-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
  top: 50%;
  left: 20%;
  right: 20%;
  transform-origin: left;
  transform: rotate(15deg);
  z-index: 1;
  opacity: 0.5;
}

.conn-line-2 {
  top: 50%;
  left: 10%;
  width: 80%;
  transform: rotate(-25deg);
}

@keyframes float {
  0% {
    transform: translateY(0px) translateX(0px);
  }

  50% {
    transform: translateY(-15px) translateX(10px);
  }

  100% {
    transform: translateY(0px) translateX(0px);
  }
}

.diff-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.diff-item {
  display: flex;
  gap: 1.5rem;
}

.diff-icon {
  margin-top: 0.25rem;
  color: var(--teal);
}

.diff-content h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.diff-content p {
  color: var(--muted-strong);
  font-weight: 300;
}

/* PROOF SECTION */
.proof-section {
  background: var(--bg-sec);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.proof-card {
  padding: 3rem;
  background: var(--bg-main);
  border: 1px solid var(--border-strong);
  position: relative;
  border-radius: 6px;
}

.proof-card::before {
  content: '"';
  position: absolute;
  top: 1.5rem;
  left: 2.5rem;
  font-family: 'Outfit', sans-serif;
  font-size: 5rem;
  color: var(--gold);
  opacity: 0.12;
  line-height: 1;
  pointer-events: none;
}

.p-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-main);
  font-weight: 300;
  font-style: italic;
  margin-bottom: 2.5rem;
  position: relative;
  z-index: 2;
}

.p-author {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
}

.p-avatar {
  width: 44px;
  height: 44px;
  background: var(--gold-dim);
  color: var(--gold);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.p-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
}

.p-role {
  color: var(--muted-strong);
  font-size: 0.8rem;
  margin-top: 0.2rem;
}

/* FORM SECTION */
.form-section {
  background: var(--bg-alt);
  position: relative;
  padding: 10rem 0;
  text-align: center;
  overflow: hidden;
}

.form-glow {
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--glow-gold) 0%, transparent 60%);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 1;
}

.form-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.form-inner .sec-title {
  margin: 0 auto 1.5rem;
}

.form-inner .sec-desc {
  margin: 0 auto 4rem;
  color: var(--muted-strong);
}

.lead-form {
  text-align: left;
  background: var(--bg-main);
  padding: 4rem;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.05);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.field label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted-strong);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  box-sizing: border-box;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-strong);
  color: var(--text-main);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  padding: 0.75rem 0;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
  border-radius: 0;
  -webkit-appearance: none;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 8px 24px var(--focus-glow);
  border-bottom-width: 2px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--input-placeholder);
}

.field select option {
  background: var(--bg-main);
  color: var(--text-main);
}

@keyframes focoFadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.foco-desc {
  display: none;
  font-size: 0.78rem;
  font-style: italic;
  color: var(--gold);
  margin-top: 0.4rem;
  line-height: 1.5;
}

.foco-desc.visible {
  display: block;
  animation: focoFadeIn 0.3s ease forwards;
}

.field textarea {
  resize: vertical;
  min-height: 150px;
}

.submit-btn {
  width: 100%;
  padding: 1.25rem;
  background: var(--btn-main);
  color: var(--btn-text);
  border: none;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.3s;
  margin-top: 1rem;
  border-radius: 6px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
}

.submit-btn:hover {
  background: var(--gold);
  box-shadow: 0 10px 20px var(--glow-gold);
}

.submit-btn:focus {
  outline: 3px solid rgba(217, 119, 6, 0.12);
  outline-offset: 3px;
}

.form-note {
  text-align: center;
  color: var(--muted-strong);
  font-size: 0.8rem;
  margin-top: 1.5rem;
}

.success-msg {
  display: none;
  text-align: center;
  padding: 4rem;
  background: var(--bg-main);
  border: 1px solid var(--teal-dim);
  border-radius: 8px;
}

.success-msg.show {
  display: block;
}

.s-icon {
  color: var(--teal);
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
}

.s-title {
  font-size: 2rem;
  color: var(--text-main);
  margin-bottom: 1rem;
}

/* FOOTER */
footer {
  background: var(--bg-main);
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border-subtle);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand .logo {
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--muted-strong);
  max-width: 300px;
  font-weight: 300;
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
}

.f-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.f-col h5 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-main);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.f-col a {
  color: var(--muted-strong);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.f-col a:hover {
  color: var(--gold);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted-strong);
  font-size: 0.85rem;
}


/* ARCHITECTURE DIAGRAM */
.arch-wrapper {
  position: relative;
  max-width: 900px;
  margin: 4rem auto;
  padding: 4rem;
  border-radius: 24px;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.arch-wrapper:hover {
  box-shadow: 0 50px 100px var(--glow-teal);
}

.arch-bg-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, var(--glow-teal) 0%, transparent 70%);
  pointer-events: none;
}

.arch-grid {
  display: grid;
  grid-template-columns: 1fr auto 1.2fr auto 1fr;
  gap: 1.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.arch-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.a-box {
  background: var(--bg-main);
  border: 1px solid var(--border-subtle);
  padding: 1.25rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-weight: 500;
  color: var(--text-main);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.a-box:hover {
  transform: translateY(-5px) scale(1.03);
  border-color: var(--gold);
  box-shadow: 0 15px 40px var(--glow-gold);
  z-index: 10;
}

.a-icon {
  color: var(--teal);
}

.a-connector {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--border-hover), transparent);
}

.a-center {
  text-align: center;
  padding: 3.5rem 2rem;
  background: var(--bg-main);
  border: 2px solid var(--gold);
  border-radius: 50%;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 60px var(--glow-gold);
  position: relative;
  animation: pulse-ring 4s infinite cubic-bezier(0.16, 1, 0.3, 1);
}

.a-center::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  border: 1px dashed var(--gold);
  border-radius: 50%;
  animation: spin 30s linear infinite;
  opacity: 0.3;
}

@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 var(--glow-gold);
  }

  70% {
    box-shadow: 0 0 0 30px transparent;
  }

  100% {
    box-shadow: 0 0 0 0 transparent;
  }
}

@keyframes spin {
  100% {
    transform: rotate(360deg);
  }
}

.trust-image-wrapper {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  margin-top: 4rem;
  position: relative;
}

/* ANIMATIONS */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }

  50% {
    transform: scale(1.5);
    opacity: 0.5;
  }
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
  }

  .diff-layout {
    grid-template-columns: 1fr;
  }

  .diff-visual {
    display: none;
  }

  .services-grid,
  .services-grid--2col,
  .proof-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {

  /* Navbar: ocultar CTA (fica no menu hamburger) */
  .nav-actions .btn-primary {
    display: none;
  }

  /* Theme toggle: touch target adequado */
  .theme-toggle {
    width: 44px;
    height: 44px;
  }

  .hero {
    padding: 7rem 0 4rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 2rem;
  }

  .section {
    padding: 5rem 0;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .lead-form {
    padding: 2rem 1.25rem;
  }

  /* DataFlow Agentic — layout vertical */
  .arch-grid {
    grid-template-columns: 1fr;
    gap: 0;
    text-align: center;
  }

  .arch-col {
    align-items: center;
  }

  /* Connector vira linha vertical entre os blocos */
  .a-connector {
    width: 2px;
    height: 36px;
    background: linear-gradient(180deg, var(--border-hover), transparent);
    margin: 0 auto;
  }

  .arch-wrapper {
    padding: 2rem 1.25rem;
    margin: 2rem 0;
  }

  .a-center {
    padding: 2rem 1.5rem;
    aspect-ratio: auto;
    border-radius: 16px;
    width: 100%;
    max-width: 280px;
  }

  .a-center::before {
    display: none;
    /* ring giratório fica ruim em mobile */
  }

  .hero-glow-1,
  .hero-glow-2 {
    display: none;
  }

  .footer-inner {
    flex-direction: column;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 2.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  /* Compare section: reduzir padding */
  .compare-col {
    padding: 2rem 1.25rem;
  }

  /* Seção FAQ */
  .faq-list {
    margin-top: 2.5rem;
  }
}

/* ========================
       HERO SPLIT LAYOUT
       ======================== */
.hero-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 5rem;
  align-items: center;
  width: 100%;
}

.hero-visual-col {
  position: relative;
  height: 560px;
}

.hero-img-frame {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.18);
}

.hero-img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: saturate(0.9) contrast(1.03);
  transition: transform 0.7s ease;
}

.hero-img-frame:hover img {
  transform: scale(1.04);
}

.hero-img-frame::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--teal), transparent);
  z-index: 3;
}

.hero-img-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
      rgba(12, 11, 10, 0.04) 0%,
      transparent 45%,
      rgba(12, 11, 10, 0.45) 100%);
  pointer-events: none;
  z-index: 1;
}

[data-theme="light"] .hero-img-frame::after {
  background: linear-gradient(180deg,
      transparent 50%,
      rgba(244, 245, 248, 0.55) 100%);
}

.hero-img-tag {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  background: var(--nav-blur);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-img-tag .tag-dot {
  width: 8px;
  height: 8px;
  min-width: 8px;
  background: var(--teal);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--teal);
  animation: pulse 2s infinite;
}

.hero-img-tag .tag-text {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-main);
}

.hero-img-tag .tag-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted-strong);
  margin-top: 0.15rem;
  letter-spacing: 0.03em;
}

@media (max-width: 1100px) {
  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-visual-col {
    display: none;
  }
}

/* ========================
       DIFF VISUAL WITH IMAGE
       ======================== */
.diff-img-wrapper {
  position: relative;
  width: 100%;
  height: 500px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.diff-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: saturate(0.85);
  transition: transform 0.6s ease, filter 0.4s ease;
}

.diff-img-wrapper:hover img {
  transform: scale(1.04);
  filter: saturate(1);
}

.diff-img-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  z-index: 2;
}

.diff-img-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
      rgba(12, 11, 10, 0.08) 0%,
      transparent 50%,
      rgba(27, 188, 169, 0.06) 100%);
  pointer-events: none;
  z-index: 1;
}

.diff-img-label {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: var(--nav-blur);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 0.6rem 1rem;
  z-index: 3;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ========================
       HAMBURGER MENU (MOBILE)
       ======================== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 101;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
    width: 44px;
    height: 44px;
    padding: 8px;
  }

  /* Sobrescreve o display:none do bloco anterior — visibilidade via opacity+visibility */
  .nav-links {
    display: flex !important;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-main);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    z-index: 100;
    padding: 6rem 2rem 3rem;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1),
      visibility 0s linear 0.35s;
  }

  .nav-links.open {
    visibility: visible;
    opacity: 1;
    pointer-events: all;
    transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1),
      visibility 0s linear 0s;
  }

  .nav-links li {
    width: 100%;
    text-align: center;
  }

  .nav-links a {
    font-size: 1.5rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 300;
    color: var(--text-main);
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 2rem;
    width: 100%;
    border-bottom: 1px solid var(--border-subtle);
    transition: color 0.2s;
  }

  .nav-links a:hover,
  .nav-links a:active {
    color: var(--gold);
  }

  .mobile-nav-cta {
    display: block;
    margin-top: 1rem;
    width: 100%;
  }

  .mobile-nav-cta a.btn-primary {
    width: 100%;
    justify-content: center;
    min-height: 52px;
    font-size: 1rem;
    border-bottom: none;
  }
}

/* ========================
       COOKIE / LGPD BANNER
       ======================== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-main);
  border-top: 1px solid var(--border-strong);
  padding: 1.25rem 0;
  z-index: 200;
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.cookie-text {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.cookie-text i {
  color: var(--gold);
  flex-shrink: 0;
}

.cookie-text p {
  font-size: 0.85rem;
  color: var(--muted-strong);
  font-weight: 300;
  line-height: 1.5;
}

.cookie-text a {
  color: var(--gold);
  text-decoration: none;
  font-weight: 500;
}

.cookie-text a:hover {
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

.cookie-accept {
  padding: 0.6rem 1.4rem;
  font-size: 0.85rem;
}

.cookie-decline {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--muted-strong);
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.cookie-decline:hover {
  border-color: var(--text-muted);
  color: var(--text-main);
}

@media (max-width: 768px) {
  .cookie-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .cookie-actions {
    width: 100%;
  }

  .cookie-accept {
    flex: 1;
    justify-content: center;
  }

  .cookie-decline {
    flex: 1;
    text-align: center;
  }
}

/* ========================
       WHATSAPP FLOAT BUTTON
       ======================== */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 58px;
  height: 58px;
  background: #25D366;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 150;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease, bottom 0.4s ease;
  animation: wa-pulse 3s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.55);
  animation: none;
}

.whatsapp-float.lifted {
  bottom: 6rem;
}

.wa-tooltip {
  position: absolute;
  right: 68px;
  background: var(--bg-main);
  color: var(--text-main);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  font-family: 'Inter', sans-serif;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.wa-tooltip::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--bg-main);
  border-right: 1px solid var(--border-strong);
  border-top: 1px solid var(--border-strong);
  transform: translateY(-50%) rotate(45deg);
}

.whatsapp-float:hover .wa-tooltip {
  opacity: 1;
}

@keyframes wa-pulse {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-5px);
  }
}

/* ========================
       BEFORE / AFTER COMPARISON
       ======================== */
.compare-section {
  background: var(--bg-alt);
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
}

.compare-col {
  background: var(--bg-main);
  padding: 3rem;
}

.compare-col.col-before {
  background: var(--bg-sec);
}

.compare-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.compare-header .col-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.col-before .col-icon {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.col-after .col-icon {
  background: var(--teal-dim);
  color: var(--teal);
}

.compare-header h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.col-before .compare-header h3 {
  color: #ef4444;
}

.col-after .compare-header h3 {
  color: var(--teal);
}

.compare-rows {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.compare-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.compare-row .row-icon {
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.col-before .row-icon {
  color: #ef4444;
}

.col-after .row-icon {
  color: var(--teal);
}

.compare-row .row-label {
  font-size: 0.68rem;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted-strong);
  margin-bottom: 0.2rem;
}

.compare-row .row-val {
  font-size: 0.95rem;
  color: var(--text-main);
  font-weight: 400;
}

@media (max-width: 768px) {
  .compare-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================
       ENGAGEMENT TIMELINE
       ======================== */
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  margin-top: 4rem;
}

.timeline-grid::before {
  content: '';
  position: absolute;
  top: 1.45rem;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), var(--teal), transparent);
  z-index: 0;
}

.timeline-step {
  position: relative;
  padding: 0 1.75rem;
  text-align: center;
  z-index: 1;
}

.t-num {
  width: 48px;
  height: 48px;
  border: 1px solid var(--border-strong);
  background: var(--bg-main);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gold);
  transition: all 0.3s;
  position: relative;
  z-index: 2;
}

.timeline-step:hover .t-num {
  background: var(--gold);
  color: var(--bg-main);
  border-color: var(--gold);
  box-shadow: 0 0 20px var(--glow-gold);
}

.t-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--teal);
  margin-bottom: 0.5rem;
}

.t-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.t-desc {
  font-size: 0.88rem;
  color: var(--muted-strong);
  font-weight: 300;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.t-deadline {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--border-strong);
  border-radius: 2rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted-strong);
}

@media (max-width: 1024px) {
  .timeline-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }

  .timeline-grid::before {
    display: none;
  }
}

@media (max-width: 600px) {
  .timeline-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================
       TECH STACK GRID
       ======================== */
.tech-section {
  background: var(--bg-sec);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 1rem;
  margin-top: 4rem;
}

.tech-card {
  padding: 1.5rem 1.25rem;
  background: var(--bg-main);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  text-align: center;
  transition: all 0.3s ease;
  cursor: default;
}

.tech-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--glow-gold);
}

.tech-card:nth-child(3n+1) .tech-icon {
  color: var(--gold);
}

.tech-card:nth-child(3n+2) .tech-icon {
  color: var(--teal);
}

.tech-card:nth-child(3n+3) .tech-icon {
  color: var(--muted-strong);
}

.tech-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-main);
  letter-spacing: 0.02em;
}

.tech-role {
  font-size: 0.68rem;
  color: var(--muted-strong);
  line-height: 1.4;
}

/* ========================
       MINI-CASES
       ======================== */
.cases-section {
  background: var(--bg-alt);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}

.case-card {
  background: var(--bg-main);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.case-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.07);
  transform: translateY(-3px);
}

.case-header {
  padding: 1.25rem 2rem;
  background: var(--bg-sec);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.case-industry {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--teal);
}

.case-result-badge {
  background: var(--gold-dim);
  color: var(--gold);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  font-weight: 500;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  border: 1px solid rgba(216, 182, 94, 0.2);
}

.case-body {
  padding: 2rem;
}

.case-problem {
  font-size: 0.68rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--muted-strong);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.4rem;
}

.case-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 0.85rem;
}

.case-desc {
  font-size: 0.9rem;
  color: var(--muted-strong);
  font-weight: 300;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.case-metrics {
  display: flex;
  gap: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.case-metric .metric-val {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
}

.case-metric .metric-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted-strong);
  margin-top: 0.25rem;
}

@media (max-width: 1024px) {
  .cases-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================
       FAQ ACCORDION
       ======================== */
.faq-list {
  margin-top: 4rem;
  max-width: 860px;
}

.faq-item {
  border-bottom: 1px solid var(--border-subtle);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.75rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  cursor: pointer;
  text-align: left;
}

.faq-q-text {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-main);
  font-family: 'Inter', sans-serif;
  transition: color 0.2s;
}

.faq-item.open .faq-q-text {
  color: var(--gold);
}

.faq-chevron {
  color: var(--muted-strong);
  flex-shrink: 0;
  transition: transform 0.3s ease, color 0.2s;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: var(--gold);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.open .faq-answer {
  max-height: 320px;
}

.faq-answer p {
  padding-bottom: 1.75rem;
  color: var(--muted-strong);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.7;
}

/* ========================
       HIDDEN-MOBILE UTILITY
       ======================== */
@media (max-width: 768px) {
  .hidden-mobile {
    display: none !important;
  }

}

/* ========================
       MOBILE — 480px (phones médios/pequenos)
       ======================== */
@media (max-width: 480px) {

  /* Container com respiração lateral menor */
  .container {
    padding: 0 1.1rem;
  }

  /* Seções mais compactas */
  .section {
    padding: 4rem 0;
  }

  /* Hero */
  .hero {
    padding: 6rem 0 3.5rem;
    min-height: auto;
  }

  .hero-title {
    font-size: clamp(1.9rem, 8vw, 2.6rem);
  }

  .hero-desc {
    font-size: 1rem;
    margin-bottom: 2rem;
  }

  .hero-badge {
    font-size: 0.78rem;
    padding: 0.4rem 0.85rem;
    margin-bottom: 1.5rem;
  }

  /* Hero CTAs — full width empilhados */
  .hero-actions {
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 3rem;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-outline {
    width: 100%;
    justify-content: center;
    min-height: 52px;
    font-size: 0.95rem;
  }

  /* Stats */
  .stat-val {
    font-size: 2.4rem;
  }

  /* Seções de texto */
  .sec-title {
    font-size: clamp(1.7rem, 7vw, 2.4rem);
  }

  /* Serviços */
  .service-card {
    padding: 1.75rem 1.25rem;
  }

  /* CORE steps */
  .core-step {
    padding: 2rem 0;
  }

  .core-step-node {
    width: 3rem;
    height: 3rem;
    font-size: 1.3rem;
  }

  /* DataFlow arch */
  .arch-wrapper {
    padding: 1.75rem 1rem;
    border-radius: 16px;
  }

  .a-box {
    padding: 1rem;
    font-size: 0.9rem;
  }

  /* DataFlow: disposição dos blocos mais compacta */
  .arch-col {
    gap: 0.85rem;
  }

  /* Timeline */
  .timeline-step {
    padding: 0 0.5rem;
  }

  /* Form */
  .lead-form {
    padding: 1.75rem 1rem;
    border-radius: 8px;
  }

  .submit-btn {
    min-height: 52px;
  }

  /* Compare */
  .compare-col {
    padding: 1.5rem 1rem;
  }

  /* FAQ */
  .faq-question {
    padding: 1.25rem 0;
    gap: 1rem;
  }

  .faq-q-text {
    font-size: 0.95rem;
  }

  /* Footer */
  .footer-inner {
    gap: 3rem;
  }

  /* Cookie banner */
  .cookie-inner {
    padding: 0 1.1rem;
  }

  /* WhatsApp: reposicionado para não conflitar */
  .whatsapp-float {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 52px;
    height: 52px;
  }
}

/* ========================
       MOBILE — 380px (telas muito pequenas)
       ======================== */
@media (max-width: 380px) {

  /* Logo: ocultar texto em telas muito pequenas, manter símbolo */
  .logo-text {
    display: none;
  }

  .logo .logo-mark {
    width: 38px;
    height: 38px;
  }

  .hero-title {
    font-size: clamp(1.65rem, 9vw, 2rem);
  }

  .hero-desc {
    font-size: 0.95rem;
  }

  .stat-val {
    font-size: 2rem;
  }

  .sec-title {
    font-size: clamp(1.5rem, 8vw, 2rem);
  }

  /* Nav links no hamburger mais compactos */
  .nav-links a {
    font-size: 1.2rem;
    min-height: 44px;
  }

  .nav-links {
    gap: 0.5rem;
  }
}

/* ========================
       SAFE AREA (notch/home indicator)
       ======================== */
@supports (padding: env(safe-area-inset-bottom)) {
  nav {
    padding-top: calc(0.75rem + env(safe-area-inset-top));
  }

  .whatsapp-float {
    bottom: calc(1.25rem + env(safe-area-inset-bottom));
    right: calc(1.25rem + env(safe-area-inset-right));
  }

  .cookie-banner {
    padding-bottom: calc(1.25rem + env(safe-area-inset-bottom));
  }
}

/* Acelera resposta ao toque (remove 300ms delay) */
a,
button,
[role="button"] {
  touch-action: manipulation;
}