/* ==========================================================================
   ARQUITETOBIM — DESIGN SYSTEM & ESTILOS PREMIUM
   Plataforma Oficial ArquitetoBIM
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@500;600;700;800&display=swap');

:root {
  /* Brand Core Palette */
  --bg-darker: #080c10;
  --bg-dark: #0f151c;
  --bg-card: #151d27;
  --bg-card-hover: #1c2735;
  --bg-glass: rgba(18, 26, 36, 0.82);
  --bg-glass-strong: rgba(15, 21, 28, 0.95);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(74, 222, 128, 0.4);
  --border-glass: rgba(255, 255, 255, 0.12);

  /* Brand Accents based on Logo Geometric Quadrants */
  --color-lime: #4ade80;
  --color-lime-glow: rgba(74, 222, 128, 0.3);
  --color-cyan: #38bdf8;
  --color-cyan-glow: rgba(56, 189, 248, 0.3);
  --color-coral: #f87171;
  --color-coral-glow: rgba(248, 113, 113, 0.3);
  --color-amber: #fbbf24;
  --color-amber-glow: rgba(251, 191, 36, 0.3);
  --color-blue: #3b82f6;

  /* Typography */
  --text-main: #f3f4f6;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', var(--font-sans);

  /* Layout & Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --radius-full: 9999px;
  --container-max: 1240px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  font-size: 16px;
}

body {
  background-color: var(--bg-darker);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(74, 222, 128, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(56, 189, 248, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 50% 80%, rgba(248, 113, 113, 0.04) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Blueprint Grid Background Accent */
.grid-bg-overlay {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* Typographic Helpers */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: linear-gradient(135deg, #ffffff 30%, var(--color-lime) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, #ffffff 30%, var(--color-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lime { color: var(--color-lime); }
.cyan { color: var(--color-cyan); }
.coral { color: var(--color-coral); }
.amber { color: var(--color-amber); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-lime);
  margin-bottom: 0.75rem;
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-lime);
  box-shadow: 0 0 10px var(--color-lime);
}

.eyebrow.muted {
  color: var(--text-muted);
}
.eyebrow.muted::before {
  background: var(--text-muted);
  box-shadow: none;
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */
.reveal-item {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-item.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 82px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  transition: all var(--transition-fast);
}

.site-header.scrolled {
  background: var(--bg-glass-strong);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  height: 72px;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Brand & Logo */
.brand {
  display: flex;
  align-items: center;
  gap: 0.95rem;
  text-decoration: none;
  color: #ffffff;
}

.brand-logo-wrap {
  width: 44px;
  height: 44px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.brand:hover .brand-logo-wrap {
  transform: scale(1.08) rotate(3deg);
  box-shadow: 0 6px 20px rgba(74, 222, 128, 0.3);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #ffffff;
  line-height: 1.1;
  text-transform: uppercase;
}

.brand-tagline {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 1px;
}

/* Nav Links */
.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.35rem 0;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-lime);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.header-admin-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.header-admin-btn:hover {
  background: rgba(74, 222, 128, 0.15);
  border-color: rgba(74, 222, 128, 0.4);
  color: var(--color-lime);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(74, 222, 128, 0.2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-smooth);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-lime);
  color: #0c150c;
  box-shadow: 0 4px 20px var(--color-lime-glow);
}

.btn-primary:hover {
  background: #5ef092;
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(74, 222, 128, 0.4);
}

.btn-cyan {
  background: var(--color-cyan);
  color: #041624;
  box-shadow: 0 4px 20px var(--color-cyan-glow);
}

.btn-cyan:hover {
  background: #67e8f9;
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(56, 189, 248, 0.4);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-subtle);
  color: #ffffff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-outline-gold {
  background: rgba(251, 191, 36, 0.08);
  border-color: rgba(251, 191, 36, 0.3);
  color: #fef08a;
}

.btn-outline-gold:hover {
  background: rgba(251, 191, 36, 0.18);
  border-color: var(--color-amber);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.95rem 1.85rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  padding: 9.5rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 800;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-content .hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 580px;
  line-height: 1.7;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 2.25rem;
}

.hero-highlight-box {
  display: inline-flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.25rem 1.75rem;
  background: linear-gradient(135deg, rgba(74, 222, 128, 0.09) 0%, rgba(37, 99, 235, 0.06) 100%);
  border: 1px solid rgba(74, 222, 128, 0.25);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(74, 222, 128, 0.08);
  margin-top: 0.5rem;
  max-width: 520px;
}

.hero-highlight-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  letter-spacing: -0.01em;
}

.hero-highlight-sub {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-lime);
  letter-spacing: 0.02em;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.badge-tag.accent {
  background: rgba(74, 222, 128, 0.08);
  border-color: rgba(74, 222, 128, 0.3);
  color: var(--color-lime);
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* Hero Visual / 3D Canvas Card */
.hero-visual {
  position: relative;
}

.hero-card-3d {
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.hero-3d-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-3d-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-canvas-wrap {
  width: 100%;
  height: 330px;
  position: relative;
  border-radius: var(--radius-md);
  background: radial-gradient(circle at 50% 50%, #151f2b 0%, #0c1218 100%);
  overflow: hidden;
}

#heroCanvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}
#heroCanvas:active {
  cursor: grabbing;
}

/* Live BIM Inspector Overlay (Raycaster HUD) */
.bim-inspector-hud {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  background: rgba(10, 15, 22, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(74, 222, 128, 0.3);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  font-size: 0.78rem;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  z-index: 10;
}

.bim-inspector-hud.active {
  opacity: 1;
  transform: translateY(0);
}

.hud-tag {
  color: var(--color-lime);
  font-weight: 700;
  font-family: monospace;
}

.canvas-hint {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.75);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--text-muted);
  pointer-events: none;
  white-space: nowrap;
}

.hero-3d-controls {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.layer-chip {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.layer-chip.active {
  background: rgba(74, 222, 128, 0.15);
  border-color: var(--color-lime);
  color: #ffffff;
}

/* Key Stats Ribbon */
.stats-ribbon {
  padding: 2.5rem 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  margin-top: 3rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -1rem;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--border-subtle);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-lime);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.2rem;
}

.stat-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   SECTIONS GENERAL
   ========================================================================== */
section {
  padding: 6rem 0;
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem;
}

.section-head.text-left {
  text-align: left;
  margin: 0 0 2.5rem;
}

.section-title {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   CONCEITO BIM (3D AO 7D)
   ========================================================================== */
.bim-concept-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.dimension-nav {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-subtle);
  scrollbar-width: thin;
}

.dimension-tab {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-smooth);
}

.dimension-tab:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.dimension-tab.active {
  background: var(--active-color, var(--color-lime));
  color: #0a110a;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(74, 222, 128, 0.3);
}

.dim-tag {
  display: inline-block;
  padding: 2px 6px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
  font-size: 0.75rem;
}

.dimension-content-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
}

.dim-details h3 {
  font-size: 1.85rem;
  margin-bottom: 0.5rem;
}

.dim-subtitle {
  font-size: 1rem;
  color: var(--active-color, var(--color-lime));
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.dim-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
  line-height: 1.7;
}

.dim-benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.dim-benefits-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: #e5e7eb;
}

.dim-benefits-list li::before {
  content: '✓';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(74, 222, 128, 0.15);
  color: var(--color-lime);
  font-size: 0.8rem;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}

.dim-card-preview {
  background: var(--bg-darker);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.dim-icon-huge {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  display: inline-block;
  animation: pulseIcon 3s ease-in-out infinite;
}

@keyframes pulseIcon {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.dim-preview-badge {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
}

/* ==========================================================================
   FLAGSHIP SPOTLIGHT: KILOW
   ========================================================================== */
.kilow-spotlight {
  background: linear-gradient(180deg, rgba(74, 222, 128, 0.03) 0%, rgba(15, 21, 28, 0.8) 100%);
  border: 1px solid rgba(74, 222, 128, 0.15);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  margin-bottom: 5rem;
  position: relative;
  overflow: hidden;
}

.kilow-spotlight::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74, 222, 128, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.spotlight-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.spotlight-info h2 {
  font-size: 2.6rem;
  margin-bottom: 0.5rem;
}

.spotlight-tagline {
  font-size: 1.2rem;
  color: var(--color-lime);
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.spotlight-desc {
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.spotlight-features-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.spotlight-features-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: #e2e8f0;
  line-height: 1.4;
}

.spotlight-features-list li .check-icon {
  color: var(--color-lime);
  background: rgba(74, 222, 128, 0.15);
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.pillar-item {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.pillar-item .icon {
  font-size: 1.5rem;
  margin-bottom: 0.35rem;
}

.pillar-item strong {
  display: block;
  font-size: 0.92rem;
  color: #ffffff;
  margin-bottom: 0.2rem;
}

.pillar-item p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.spotlight-media {
  background: var(--bg-darker);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.wireframe-diagram {
  background: #090e13;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border: 1px dashed rgba(74, 222, 128, 0.3);
}

.diagram-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-lime);
  font-family: var(--font-display);
  margin-bottom: 1rem;
  font-weight: 700;
}

.circuit-sim {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.circuit-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.85rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}

.circuit-name {
  color: #ffffff;
  font-weight: 600;
}

.circuit-val {
  color: var(--color-lime);
  font-family: monospace;
  font-size: 0.85rem;
}

/* ==========================================================================
   SOFTWARE CATALOG & FILTERS
   ========================================================================== */
.catalog-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  min-width: 280px;
  flex: 1;
  max-width: 400px;
}

.search-box input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.8rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  transition: all var(--transition-fast);
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-lime);
  box-shadow: 0 0 0 3px var(--color-lime-glow);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
  pointer-events: none;
}

.filter-pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.6rem 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background: var(--bg-card-hover);
  color: #ffffff;
}

.filter-btn.active {
  background: var(--color-lime);
  color: #0c150c;
  border-color: transparent;
  font-weight: 700;
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.product-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.app-badge-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--card-color, var(--color-lime));
  color: #090e13;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.card-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-featured {
  background: rgba(74, 222, 128, 0.15);
  color: var(--color-lime);
  border: 1px solid rgba(74, 222, 128, 0.3);
}

.badge-upcoming {
  background: rgba(248, 113, 113, 0.15);
  color: var(--color-coral);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.badge-secondary {
  background: rgba(56, 189, 248, 0.15);
  color: var(--color-cyan);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.product-card .card-category {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.product-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.product-card .card-tagline {
  font-size: 0.9rem;
  color: var(--card-color, var(--color-lime));
  font-weight: 600;
  margin-bottom: 1rem;
}

.product-card .card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex: 1;
}

.card-features-mini {
  list-style: none;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.card-features-mini li {
  font-size: 0.85rem;
  color: #d1d5db;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-features-mini li::before {
  content: '•';
  color: var(--card-color, var(--color-lime));
  font-weight: bold;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
}

.card-price-block {
  display: flex;
  flex-direction: column;
}

.price-main {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
}

.price-note {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   PLANS & OFFERS
   ========================================================================== */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.plan-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-smooth);
}

.plan-card:hover {
  transform: translateY(-8px);
}

.plan-card.featured {
  background: linear-gradient(180deg, rgba(74, 222, 128, 0.08) 0%, var(--bg-card) 100%);
  border: 2px solid var(--color-lime);
  box-shadow: 0 20px 50px rgba(74, 222, 128, 0.15);
  transform: scale(1.04);
}

.plan-card.featured:hover {
  transform: scale(1.04) translateY(-8px);
}

.plan-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-lime);
  color: #0a110a;
  padding: 0.35rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  box-shadow: 0 4px 15px var(--color-lime-glow);
  white-space: nowrap;
}

.plan-head {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.plan-head h3 {
  font-size: 1.75rem;
  margin-bottom: 0.35rem;
}

.plan-head .plan-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.plan-price-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.plan-old-price {
  font-size: 0.95rem;
  color: var(--text-subtle);
  text-decoration: line-through;
  margin-bottom: 0.1rem;
}

.plan-price {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
}

.plan-period {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.plan-savings-pill {
  display: inline-block;
  margin-top: 0.65rem;
  padding: 0.25rem 0.75rem;
  background: rgba(74, 222, 128, 0.15);
  color: var(--color-lime);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2.25rem;
  flex: 1;
}

.plan-features li {
  font-size: 0.92rem;
  color: #d1d5db;
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.plan-features li::before {
  content: '✓';
  color: var(--color-lime);
  font-weight: 800;
  flex-shrink: 0;
}

/* ==========================================================================
   ROI & PRODUCTIVITY CALCULATOR
   ========================================================================== */
.roi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
}

.roi-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

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

.input-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
  font-weight: 600;
  color: #ffffff;
}

.input-val-badge {
  color: var(--color-lime);
  font-family: var(--font-display);
  font-weight: 700;
}

.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--bg-darker);
  outline: none;
  border: 1px solid var(--border-subtle);
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-lime);
  cursor: pointer;
  box-shadow: 0 0 12px var(--color-lime);
}

.calc-results {
  background: var(--bg-darker);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  text-align: center;
}

.calc-results-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.hours-saved-stat {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-lime);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.savings-money-stat {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-cyan);
  margin-bottom: 1.5rem;
}

.roi-breakdown {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  text-align: left;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
}

.breakdown-box {
  background: rgba(255, 255, 255, 0.03);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
}

.breakdown-box span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.breakdown-box strong {
  font-size: 1rem;
  color: #ffffff;
}

/* ==========================================================================
   FAQ ACCORDION SECTION (SEO & CONVERSION)
   ========================================================================== */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  color: #ffffff;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  gap: 1rem;
}

.faq-icon {
  font-size: 1.25rem;
  color: var(--color-lime);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.25rem;
}

/* ==========================================================================
   FLOATING WHATSAPP BUTTON & TOAST
   ========================================================================== */
.floating-wa-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
  z-index: 999;
  text-decoration: none;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.floating-wa-btn:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 12px 35px rgba(37, 211, 102, 0.6);
}

.floating-wa-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid #25d366;
  animation: waPulse 2s infinite;
}

@keyframes waPulse {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* ==========================================================================
   ABOUT ARQUITETOBIM & PHILOSOPHY
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: center;
}

.about-card-brand {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-card-brand::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 30%, rgba(74, 222, 128, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.brand-showcase-logo-svg {
  width: 170px;
  height: 200px;
  margin: 0 auto 1.5rem;
  filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.6));
  transition: transform var(--transition-smooth);
}

.about-card-brand:hover .brand-showcase-logo-svg {
  transform: scale(1.04);
}

.about-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1.25rem;
}

.about-content p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.about-highlights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.about-pill {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.about-pill strong {
  display: block;
  font-size: 0.95rem;
  color: #ffffff;
  margin-bottom: 0.2rem;
}

.about-pill span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   CONTACT & CONSULTING FORM
   ========================================================================== */
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}

.contact-direct-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem;
  background: var(--bg-darker);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: #ffffff;
  transition: all var(--transition-fast);
}

.contact-method:hover {
  border-color: var(--color-lime);
  transform: translateX(4px);
}

.contact-icon-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(74, 222, 128, 0.15);
  color: var(--color-lime);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.contact-method h4 {
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.contact-method p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-darker);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-lime);
  box-shadow: 0 0 0 3px var(--color-lime-glow);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #05080b;
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 360px;
  margin-top: 1rem;
  line-height: 1.6;
}

.footer-links h4 {
  font-size: 1rem;
  margin-bottom: 1.25rem;
  color: #ffffff;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-lime);
}

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

/* ==========================================================================
   MODALS & DIALOGS
   ========================================================================== */
dialog {
  margin: auto;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  color: var(--text-main);
  max-width: 650px;
  width: 90%;
  padding: 2.5rem;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(20px);
}

dialog::backdrop {
  background: rgba(5, 8, 11, 0.85);
  backdrop-filter: blur(8px);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: #ffffff;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: rotate(90deg);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid,
  .spotlight-grid,
  .dimension-content-grid,
  .roi-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .plans-grid {
    grid-template-columns: 1fr;
    max-width: 450px;
    margin: 0 auto;
  }

  .plan-card.featured {
    transform: none;
  }
  .plan-card.featured:hover {
    transform: translateY(-8px);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .stat-item:nth-child(2)::after {
    display: none;
  }

  .spotlight-pillars {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-darker);
    border-bottom: 1px solid var(--border-subtle);
    padding: 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .main-nav.open {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
  .stat-item::after {
    display: none !important;
  }

  .hero {
    padding: 7.5rem 0 3.5rem;
  }

  .kilow-spotlight,
  .bim-concept-card,
  .roi-card,
  .contact-card {
    padding: 1.75rem;
  }
}