/* =========================================================
   DESIGN TOKENS
   ========================================================= */
:root {
  /* Palette — deep graphite with blue undertone */
  --bg-deep:       #0b0f15;
  --bg-base:       #111720;
  --bg-surface:    #161e2b;
  --bg-elevated:   #1c2636;
  --bg-hover:      #243044;

  /* Brand blue (from logo) */
  --brand:         #1a5f91;
  --brand-light:   #2378b3;

  /* Accent — electric cyan */
  --accent:        #3db8f5;
  --accent-bright: #64cbff;
  --accent-dim:    #1a7ab8;
  --accent-glow:   rgba(61, 184, 245, 0.12);
  --accent-glow-strong: rgba(61, 184, 245, 0.25);

  /* Secondary accent — warm steel */
  --steel:         #7a9ab8;
  --steel-dim:     #4d6e8a;

  /* Text */
  --text-primary:  #e8ecf4;
  --text-secondary:#9aa4b8;
  --text-tertiary: #6b7590;
  /* Muted label that still clears WCAG AA 4.5:1 on the dark bg
     (6.27:1). Used for contact labels and social-proof captions
     where --text-tertiary (4.18:1) was too dim to pass. */
  --text-label:    #8a93ad;
  --text-accent:   var(--accent);

  /* Borders */
  --border:        rgba(255,255,255,0.06);
  --border-accent: rgba(61,184,245,0.20);

  /* Typography */
  --font-display:  'DM Serif Display', 'Georgia', serif;
  --font-body:     'Source Sans 3', 'Segoe UI', sans-serif;
  --font-mono:     'JetBrains Mono', 'Consolas', monospace;

  /* Spacing scale */
  --sp-xs: 0.25rem;
  --sp-sm: 0.5rem;
  --sp-md: 1rem;
  --sp-lg: 2rem;
  --sp-xl: 4rem;
  --sp-2xl: 6rem;
  --sp-3xl: 8rem;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0,0,0,0.35), 0 1px 4px rgba(0,0,0,0.2);
  --shadow-elevated: 0 8px 40px rgba(0,0,0,0.5), 0 2px 8px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 30px var(--accent-glow);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 200ms;
  --duration-normal: 400ms;
  --duration-slow: 700ms;
}

/* =========================================================
   RESET & BASE
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text-primary);
  background-color: var(--bg-deep);
  line-height: 1.7;
  overflow-x: hidden;
}

/* =========================================================
   BLUEPRINT GRID BACKGROUND
   ========================================================= */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    /* Major grid */
    linear-gradient(rgba(90,127,165,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90,127,165,0.05) 1px, transparent 1px),
    /* Minor grid */
    linear-gradient(rgba(90,127,165,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90,127,165,0.025) 1px, transparent 1px);
  background-size:
    120px 120px,
    120px 120px,
    24px 24px,
    24px 24px;
}

/* Noise overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.5'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* All content above bg layers */
body > * { position: relative; z-index: 1; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

/* Focus ring */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* =========================================================
   UTILITIES
   ========================================================= */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-lg);
}

.mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--accent);
}

.section-label {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.7rem;
  color: var(--accent);
  margin-bottom: var(--sp-md);
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}

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

.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: var(--sp-lg);
}

.section-subtitle {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* =========================================================
   REVEAL ANIMATION (intersection observer)
   ---------------------------------------------------------
   No-JS / crawler fallback: by default content is VISIBLE.
   The hidden-to-animate state is applied ONLY when JS is
   active (an inline <head> script swaps html.no-js → html.js).
   So search engines and users with JS disabled always see
   the content; only JS-capable browsers get the animation.
   ========================================================= */
html.js .reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

html.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger > .reveal:nth-child(1) { transition-delay: 0ms; }
.stagger > .reveal:nth-child(2) { transition-delay: 120ms; }
.stagger > .reveal:nth-child(3) { transition-delay: 240ms; }
.stagger > .reveal:nth-child(4) { transition-delay: 360ms; }
.stagger > .reveal:nth-child(5) { transition-delay: 480ms; }
.stagger > .reveal:nth-child(6) { transition-delay: 600ms; }

/* =========================================================
   NAVIGATION
   ========================================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--sp-md) 0;
  transition: background var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}

.nav.scrolled {
  background: rgba(15, 18, 25, 0.85);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  box-shadow: 0 1px 0 var(--border);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}

.nav-logo {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  display: block;
  object-fit: contain;
}

.nav-brand-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.nav-brand-text span {
  color: var(--accent);
}

.nav-links {
  display: none;
  list-style: none;
  gap: var(--sp-lg);
  align-items: center;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 1px;
  background: var(--accent);
  transition: width var(--duration-normal) var(--ease-out);
}

.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.6rem 1.4rem;
  background: var(--brand);
  color: #fff;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}

.nav-cta:hover {
  background: var(--brand-light);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

/* Mobile menu button — 44x44 minimum touch target (WCAG 2.5.5) */
.nav-toggle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 6px;
  min-width: 44px;
  min-height: 44px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  transition: all var(--duration-fast) var(--ease-out);
  border-radius: 1px;
}

.nav-toggle:hover span { background: var(--text-primary); }

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 18, 25, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 99;
  padding-top: 80px;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.nav-mobile.open {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-lg);
  opacity: 1;
}

.nav-mobile a {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-secondary);
  transition: color var(--duration-fast);
}

.nav-mobile a:hover { color: var(--accent); }

@media (min-width: 768px) {
  .nav-links { display: flex; }
  .nav-toggle { display: none; }
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--sp-3xl) 0 var(--sp-2xl);
  position: relative;
  overflow: hidden;
}

/* Radial glow behind hero */
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

/* Decorative angled line */
.hero::after {
  content: '';
  position: absolute;
  top: 15%;
  right: 8%;
  width: 1px;
  height: 300px;
  background: linear-gradient(180deg, transparent, var(--accent-dim), transparent);
  transform: rotate(20deg);
  pointer-events: none;
  opacity: 0.4;
}

.hero-content {
  max-width: 780px;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-lg);
  opacity: 0;
  animation: fadeSlideUp 0.8s var(--ease-out) 0.2s forwards;
}

.hero-eyebrow::before {
  content: '//';
  margin-right: var(--sp-sm);
  color: var(--text-tertiary);
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: var(--sp-lg);
  opacity: 0;
  animation: fadeSlideUp 0.9s var(--ease-out) 0.4s forwards;
}

.hero h1 .accent {
  color: var(--accent);
  position: relative;
}

.hero h1 .accent::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  opacity: 0.3;
  border-radius: 2px;
}

.hero-sub {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 580px;
  margin-bottom: var(--sp-xl);
  opacity: 0;
  animation: fadeSlideUp 0.9s var(--ease-out) 0.6s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-md);
  opacity: 0;
  animation: fadeSlideUp 0.9s var(--ease-out) 0.8s forwards;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 1rem 2rem;
  background: var(--brand);
  color: #fff;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
  box-shadow: 0 2px 16px rgba(26,95,145,0.3);
}

.btn-primary:hover {
  background: var(--brand-light);
  box-shadow: 0 0 30px rgba(26,95,145,0.35), 0 4px 20px rgba(26,95,145,0.25);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 1rem 2rem;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}

.btn-secondary:hover {
  color: var(--text-primary);
  border-color: var(--text-tertiary);
  background: var(--bg-elevated);
  transform: translateY(-2px);
}

/* Hero decorative stats bar */
.hero-stats {
  display: flex;
  gap: var(--sp-xl);
  margin-top: var(--sp-2xl);
  padding-top: var(--sp-lg);
  border-top: 1px solid var(--border);
  opacity: 0;
  animation: fadeSlideUp 0.9s var(--ease-out) 1s forwards;
}

.hero-stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  color: var(--accent);
  line-height: 1;
  margin-bottom: var(--sp-xs);
}

.hero-stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-label);
}

@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========================================================
   SECTION SPACING
   ========================================================= */
section {
  padding: var(--sp-3xl) 0;
}

.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), var(--border-accent), var(--border), transparent);
}

/* =========================================================
   PILLARS — O QUE FAZEMOS
   ========================================================= */
.pillars-header {
  margin-bottom: var(--sp-2xl);
}

.pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-lg);
}

.pillar-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--sp-xl) var(--sp-lg);
  position: relative;
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dim), transparent);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.pillar-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.pillar-card:hover::before { opacity: 1; }

.pillar-index {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-lg);
}

.pillar-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: var(--sp-md);
  line-height: 1.2;
}

.pillar-desc {
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

@media (min-width: 768px) {
  .pillars-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-lg);
  }
}

/* =========================================================
   DIFERENCIAIS
   ========================================================= */
.diff-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-2xl);
}

.diff-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--sp-lg);
  align-items: start;
}

.diff-number {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 4.5rem);
  line-height: 0.9;
  color: var(--bg-elevated);
  -webkit-text-stroke: 1px var(--accent-dim);
  position: relative;
  min-width: 70px;
}

.diff-content-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: var(--sp-sm);
  line-height: 1.2;
}

.diff-content-desc {
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

@media (min-width: 768px) {
  .diff-layout {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-xl) var(--sp-2xl);
  }
}

/* =========================================================
   COMO AJUDAMOS
   ========================================================= */
.help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.help-item {
  background: var(--bg-base);
  padding: var(--sp-xl) var(--sp-lg);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
}

.help-item::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.help-item:hover {
  background: var(--bg-surface);
}

.help-item:hover::after { opacity: 1; }

.help-item-header {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  margin-bottom: var(--sp-md);
}

.help-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.help-item-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.3;
}

.help-item-desc {
  font-weight: 300;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  padding-left: calc(40px + var(--sp-md));
}

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

/* =========================================================
   PRODUTOS — VITRINE (catálogo via API)
   ========================================================= */
.produtos-header {
  margin-bottom: var(--sp-2xl);
}

/* The section is ALWAYS rendered so the "Produtos" menu item always
   scrolls to a real target. By default the empty-state ("Em breve") is
   shown and the grid is hidden. When the API returns products, JS adds
   .is-active: the grid appears and the empty-state is hidden. This keeps
   the institutional site coherent whether the API is online, empty, or
   absent. */
.produtos-grid {
  display: none;
  grid-template-columns: 1fr;
  gap: var(--sp-lg);
}

.produtos-section.is-active .produtos-grid {
  display: grid;
}

.produtos-section.is-active .produtos-empty {
  display: none;
}

/* Empty-state ("Em breve") */
.produtos-empty {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-md);
  max-width: 560px;
  padding: var(--sp-xl) var(--sp-lg);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.produtos-empty-badge {
  margin: 0;
}

.produtos-empty-text {
  font-weight: 300;
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0 0 var(--sp-sm);
}

.produto-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  transition: all var(--duration-normal) var(--ease-out);
}

.produto-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dim), transparent);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
  z-index: 2;
}

.produto-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.produto-card:hover::before { opacity: 1; }

.produto-media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--bg-elevated);
  overflow: hidden;
}

.produto-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.produto-card:hover .produto-media img {
  transform: scale(1.04);
}

/* Styled placeholder when coverImageUrl is null */
.produto-media-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 50% 40%, var(--accent-glow) 0%, transparent 60%),
    var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.produto-media-placeholder svg {
  width: 48px;
  height: 48px;
  color: var(--accent-dim);
  opacity: 0.7;
}

.produto-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--sp-lg);
  gap: var(--sp-sm);
}

.produto-category {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

.produto-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.2;
  color: var(--text-primary);
}

.produto-desc {
  font-weight: 300;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.produto-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-md);
  margin-top: var(--sp-sm);
  padding-top: var(--sp-md);
  border-top: 1px solid var(--border);
}

.produto-price {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--accent);
  line-height: 1;
}

.produto-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.7rem 1.2rem;
  background: var(--brand);
  color: #fff;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast) var(--ease-out);
}

.produto-cta:hover {
  background: var(--brand-light);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.produto-cta svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

@media (min-width: 600px) {
  .produtos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .produtos-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* =========================================================
   CONTATO / CTA FINAL
   ========================================================= */
.contact-section {
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-2xl);
}

.contact-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  margin-bottom: var(--sp-lg);
}

.contact-cta h2 .accent { color: var(--accent); }

.contact-cta-text {
  font-weight: 300;
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: var(--sp-xl);
  max-width: 500px;
}

.contact-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-md);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
  font-weight: 500;
  font-size: 0.95rem;
}

.contact-btn-whatsapp {
  background: #0f7a3a; /* deepened WhatsApp green: white text passes WCAG AA (5.4:1) */
  color: #fff;
}

/* On the solid green button the muted label is unreadable; use a
   high-contrast translucent white instead. */
.contact-btn-whatsapp .contact-btn-label {
  color: rgba(255, 255, 255, 0.92);
}

.contact-btn-whatsapp:hover {
  background: #0d6e33; /* darker on hover, keeps white text AA-compliant */
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(37,211,102,0.3);
}

.contact-btn-email {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.contact-btn-email:hover {
  border-color: var(--border-accent);
  background: var(--bg-elevated);
  transform: translateY(-2px);
}

.contact-btn-phone {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.contact-btn-phone:hover {
  border-color: var(--border-accent);
  background: var(--bg-elevated);
  transform: translateY(-2px);
}

.contact-btn-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.contact-btn-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-label);
  display: block;
  margin-bottom: 2px;
}

/* Contact info card */
.contact-info {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--sp-xl);
  position: relative;
}

.contact-info::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.contact-info-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-lg);
}

.contact-info-item {
  margin-bottom: var(--sp-lg);
}

.contact-info-item:last-child { margin-bottom: 0; }

.contact-info-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-label);
  margin-bottom: var(--sp-xs);
}

.contact-info-value {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.6;
}

.contact-info-value a {
  color: var(--text-primary);
  transition: color var(--duration-fast);
}

.contact-info-value a:hover { color: var(--accent); }

/* Specialty tags inside the contact info card */
.contact-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.contact-tag {
  background: var(--accent-glow);
  padding: 4px 10px;
  border-radius: 3px;
  border: 1px solid var(--border-accent);
  font-size: 0.6rem;
}

@media (min-width: 768px) {
  .contact-layout {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .contact-buttons {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  padding: var(--sp-xl) 0;
  border-top: 1px solid var(--border);
}

.footer .container {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
  align-items: center;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}

.footer-brand-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: block;
  object-fit: contain;
}

.footer-brand-text {
  font-family: var(--font-display);
  font-size: 0.95rem;
}

.footer-brand-text span {
  color: var(--accent);
}

.footer-text {
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

.footer-text span {
  color: var(--accent-dim);
}

@media (min-width: 768px) {
  .footer .container {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* =========================================================
   RESPONSIVE ADJUSTMENTS
   ========================================================= */
@media (max-width: 767px) {
  .hero-stats {
    flex-direction: column;
    gap: var(--sp-lg);
  }

  .diff-number {
    min-width: 50px;
  }

  section {
    padding: var(--sp-2xl) 0;
  }

  .hero {
    padding-top: var(--sp-2xl);
  }

  .help-item-desc {
    padding-left: 0;
  }
}

/* =========================================================
   SCROLL-LINKED PARALLAX (subtle)
   ========================================================= */
@media (prefers-reduced-motion: no-preference) {
  .hero::before {
    animation: pulseGlow 6s ease-in-out infinite alternate;
  }

  @keyframes pulseGlow {
    from { opacity: 0.8; transform: scale(1); }
    to { opacity: 1; transform: scale(1.08); }
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  /* Show everything immediately and disable motion. The html.js selector
     keeps equal specificity to "html.js .reveal" above and, appearing
     later, wins — so reduced-motion users never see the hidden state. */
  html.js .reveal,
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-eyebrow,
  .hero h1,
  .hero-sub,
  .hero-actions,
  .hero-stats {
    opacity: 1;
    animation: none;
  }

  .produto-card:hover .produto-media img {
    transform: none;
  }
}

/* =========================================================
   DECORATIVE CODE SNIPPET (hero side)
   ========================================================= */
.hero-code-deco {
  display: none;
}

@media (min-width: 1024px) {
  .hero .container {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--sp-xl);
    align-items: center;
  }

  .hero-code-deco {
    display: block;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--sp-lg);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    line-height: 2;
    color: var(--text-tertiary);
    position: relative;
    overflow: hidden;
    opacity: 0;
    animation: fadeSlideUp 1s var(--ease-out) 1.1s forwards;
  }

  .hero-code-deco::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 32px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
  }

  .hero-code-deco::after {
    content: '● ● ●';
    position: absolute;
    top: 9px;
    left: 14px;
    font-size: 0.5rem;
    letter-spacing: 5px;
    color: var(--text-tertiary);
    opacity: 0.5;
  }

  .hero-code-deco code {
    display: block;
    padding-top: var(--sp-lg);
  }

  .code-keyword { color: var(--steel); }
  .code-string { color: var(--accent); }
  .code-comment { color: var(--text-tertiary); font-style: italic; }
  .code-func { color: var(--accent-bright); }
}