/* ==========================================================================
   ATOMIZ AR (V-LITE) — SWISS STYLE & INDUSTRIAL EDITORIAL DESIGN SYSTEM
   Inspirado na escola alemã/suíça de design industrial (Dieter Rams,
   Teenage Engineering e manuais técnicos de arquitetura contemporânea).
   ========================================================================== */

:root {
  /* Architectural & Mineral Color Palette */
  --bg-black: #08090c;
  --bg-dark: #0d0f14;
  --bg-surface: #13161d;
  --bg-surface-elevated: #1a1e27;
  --bg-surface-hover: #222733;
  --bg-card: rgba(19, 22, 29, 0.95);
  
  /* Technical Hairlines & Borders */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hairline: rgba(255, 255, 255, 0.14);
  --border-technical: rgba(255, 255, 255, 0.22);
  --border-accent: rgba(56, 189, 248, 0.35);
  --border-copper: rgba(200, 122, 84, 0.4);
  
  /* Technical Typographic Palette (All >= 4.8:1 contrast on dark surfaces) */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;
  --text-muted: #8896ab;
  
  /* Functional Accents */
  --accent-cyan: #38bdf8;
  --accent-blue: #0ea5e9;
  --accent-copper: #c87a54;
  --accent-copper-light: #e07a5f;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-alert: #f43f5e;

  /* Typography Stacks (Chivo Swiss Grotesque + JetBrains Mono) */
  --font-sans: 'Chivo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Space Mono', 'SF Mono', Menlo, Consolas, monospace;

  /* Grid & Geometry */
  --container-width: 1200px;
  --header-height: 68px;
  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  /* Engineering Hairline Shadows (No colored glow, clean offset) */
  --shadow-technical: 0 1px 3px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--border-subtle);
  --shadow-elevated: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-hairline);

  /* Precise Mechanical Transitions */
  --transition-fast: 0.15s cubic-bezier(0.2, 0, 0, 1);
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

::selection {
  background: var(--accent-cyan);
  color: #08090c;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-black);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-xs);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  font-family: var(--font-sans);
  background-color: var(--bg-black);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  caret-color: var(--accent-cyan);
}

body {
  overflow-x: hidden;
  position: relative;
  background-color: var(--bg-black);
  background-image: 
    radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(8, 9, 12, 0.95), rgba(8, 9, 12, 1));
  background-size: 32px 32px, 100% 100%;
}

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

/* Tabular Numerals Everywhere for Scientific/Engineering Precision */
.metric-value,
.result-cost,
.result-detail strong,
.savings-text strong,
.price-current,
.comparison-table td,
.spec-list strong,
.blueprint-tag,
.calc-result-box .result-cost,
.badge-stat-item strong,
.story-badge,
.tech-coord-tag {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

/* Structural Layout & Grid */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.text-center {
  text-align: center;
}

/* Swiss Metadata Tags */
.tech-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
}

.tech-tag.cyan {
  color: var(--accent-cyan);
  border-color: rgba(56, 189, 248, 0.3);
  background: rgba(56, 189, 248, 0.06);
}

.tech-tag.copper {
  color: var(--accent-copper-light);
  border-color: var(--border-copper);
  background: rgba(200, 122, 84, 0.08);
}

.tech-tag.green {
  color: var(--accent-green);
  border-color: rgba(16, 185, 129, 0.3);
  background: rgba(16, 185, 129, 0.06);
}

/* Precision Tactile Buttons (Industrial Instrument Style) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.01em;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
  user-select: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn-sm {
  padding: 7px 16px;
  font-size: 0.84rem;
  min-height: 36px;
}

.btn-lg {
  padding: 13px 26px;
  font-size: 0.98rem;
  min-height: 50px;
}

.btn-xl {
  padding: 16px 32px;
  font-size: 1.05rem;
  width: 100%;
  max-width: 440px;
  min-height: 54px;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-black);
  border-color: #ffffff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
  background: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.btn-primary.accent-cyan-btn {
  background: var(--accent-cyan);
  color: #08090c;
  border-color: var(--accent-cyan);
}

.btn-primary.accent-cyan-btn:hover {
  background: #7dd3fc;
  border-color: #7dd3fc;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border-color: var(--border-hairline);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--text-primary);
  transform: translateY(-1px);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(8, 9, 12, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  z-index: 100;
}

.site-header.scrolled {
  background: rgba(8, 9, 12, 0.96);
  border-bottom-color: var(--border-hairline);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

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

.brand-group {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.logo-symbol {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  font-size: 0.95rem;
}

.logo-accent {
  color: var(--accent-cyan);
  font-weight: 900;
}

.brand-spec-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-tertiary);
  padding: 2px 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

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

.nav-pro-badge-link {
  color: var(--accent-cyan) !important;
}

.pro-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.partner-header-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
}

.nav-secondary-link {
  color: var(--accent-cyan) !important;
  font-weight: 600 !important;
}

/* ==========================================================================
   HERO SECTION (SWISS EDITORIAL ARCHITECTURE)
   ========================================================================== */
.hero-section {
  padding-top: calc(var(--header-height) + 50px);
  padding-bottom: 70px;
  text-align: center;
  position: relative;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Metadata Bar Ticker */
.hero-meta-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.4rem, 5.2vw, 4.4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: 20px;
  max-width: 980px;
  color: var(--text-primary);
}

.hero-title-highlight {
  color: var(--accent-cyan);
  font-weight: 900;
}

.hero-subtitle {
  font-size: clamp(1.02rem, 1.8vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 760px;
  margin-bottom: 34px;
}

.hero-subtitle strong {
  color: var(--text-primary);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 44px;
  flex-wrap: wrap;
  justify-content: center;
}

/* National Trust Banner (Swiss Technical Box) */
.national-seal-banner {
  width: 100%;
  max-width: 980px;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 22px 26px;
  margin-bottom: 36px;
  text-align: left;
  box-shadow: var(--shadow-technical);
}

.national-seal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 12px;
  flex-wrap: wrap;
}

.national-seal-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.seal-title-text {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
}

.national-seal-lead {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

.national-seal-chips {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.seal-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  padding: 8px 10px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.seal-chip:hover {
  border-color: rgba(16, 185, 129, 0.4);
  color: var(--text-primary);
}

.seal-chip .chip-icon {
  color: var(--accent-green);
  flex-shrink: 0;
}

/* Swiss Metric Grid */
.hero-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  width: 100%;
  max-width: 1040px;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 20px 18px;
  text-align: left;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
  position: relative;
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hairline);
  background: var(--bg-surface-elevated);
}

.metric-value {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 4px;
}

.metric-label {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 4px;
}

.metric-sub {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  line-height: 1.4;
}

/* ==========================================================================
   SECTIONS SHARED (EDITORIAL & SWISS ARCHITECTURE)
   ========================================================================== */
.section {
  padding: 84px 0;
  position: relative;
  border-top: 1px solid var(--border-subtle);
}

.section-header {
  margin-bottom: 48px;
}

.section-title {
  font-size: clamp(1.8rem, 3.4vw, 2.7rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.section-desc {
  font-size: 1.02rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ==========================================================================
   PROBLEM / DIAGNOSTIC SECTION
   ========================================================================== */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.pain-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 26px 22px;
  text-align: left;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.pain-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hairline);
  background: var(--bg-surface-elevated);
}

.card-inline-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.card-header-icon {
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.card-header-icon.warning {
  color: var(--accent-copper);
}

.card-header-icon.alert {
  color: var(--accent-alert);
}

.pain-card h3 {
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.pain-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

.solution-banner {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  box-shadow: var(--shadow-technical);
}

.solution-content h3 {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.solution-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 660px;
  line-height: 1.55;
}

/* ==========================================================================
   3D INTERACTIVE 4:3 SHOWCASE & CAD HUD CONTROLLER
   ========================================================================== */
.showcase-section {
  background: var(--bg-black);
}

/* Top CAD Instrument Header */
.cad-hud-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-dark);
  border: 1px solid var(--border-hairline);
  border-bottom: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-tertiary);
  max-width: 960px;
  margin: 0 auto;
}

.cad-hud-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-cyan);
}

.hud-static-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
}

/* Scene Stepper Navigation (Industrial Hardware Style) */
.scene-stepper-nav {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 4px;
  max-width: 960px;
  margin: 0 auto 0 auto;
  background: var(--bg-dark);
  border-left: 1px solid var(--border-hairline);
  border-right: 1px solid var(--border-hairline);
  padding: 6px;
}

.scene-step-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  padding: 8px 6px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  line-height: 1.25;
}

.scene-step-btn:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border-color: var(--border-hairline);
}

.scene-step-btn.active {
  background: var(--text-primary);
  color: var(--bg-black);
  border-color: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

/* Stage Container */
.stage-container {
  max-width: 960px;
  margin: 0 auto;
}

.canvas-wrapper-4x3 {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #000000;
  border: 1px solid var(--border-hairline);
  overflow: hidden;
}

#productCanvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  outline: none;
}

#productCanvas:active {
  cursor: grabbing;
}

/* Callout Overlay Lines */
.callout-overlay-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 5;
}

.callout-line {
  stroke: var(--accent-cyan);
  stroke-width: 1.5;
  stroke-dasharray: 4 3;
}

.callout-target-dot {
  fill: var(--accent-cyan);
}

.callout-card-dot {
  fill: #ffffff;
}

/* Canvas Loader */
.canvas-loader {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  z-index: 10;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.canvas-loader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--border-subtle);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loader-text {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* Story Cards Overlay */
.story-panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 6;
}

.story-card {
  position: absolute;
  width: min(320px, 85%);
  background: rgba(13, 15, 20, 0.94);
  border: 1px solid var(--border-technical);
  border-radius: var(--radius-xs);
  padding: 16px 18px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.7);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  pointer-events: auto;
  text-align: left;
}

.story-card.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.story-card[data-pos="top-right"] {
  top: 20px;
  right: 20px;
}

.story-card[data-pos="top-left"] {
  top: 20px;
  left: 20px;
}

.story-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 6px;
  display: block;
}

.story-card h3 {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.story-card p {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Stage Control Bar */
.stage-control-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-dark);
  border: 1px solid var(--border-hairline);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  padding: 12px 20px;
  max-width: 960px;
  margin: 0 auto;
}

.stage-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  padding: 7px 14px;
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.stage-nav-btn:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--border-hairline);
  color: var(--text-primary);
}

.stage-nav-btn.primary {
  background: var(--text-primary);
  color: var(--bg-black);
  border-color: #ffffff;
}

.stage-nav-btn.primary:hover {
  background: #ffffff;
}

.stage-step-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stage-step-indicator span {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-secondary);
}

.stage-progress-track {
  width: 140px;
  height: 3px;
  background: var(--border-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.stage-progress-fill {
  height: 100%;
  width: 100%;
  background: var(--accent-cyan);
  transform-origin: left center;
  transform: scaleX(0.1666);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   TECHNICAL CAD BLUEPRINT / FLUIDIC SCHEMATIC SECTION
   ========================================================================== */
.blueprint-section {
  background: var(--bg-dark);
}

.blueprint-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: center;
  padding: 12px 0;
}

.blueprint-visual-frame {
  position: relative;
  background: #050608;
  border: 1px solid var(--border-technical);
  border-radius: var(--radius-xs);
  padding: 20px;
  overflow: hidden;
}

.blueprint-svg-schematic {
  width: 100%;
  height: auto;
  display: block;
}

.blueprint-notes {
  text-align: left;
}

.blueprint-notes-header {
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 14px;
}

.blueprint-notes-header h3 {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.blueprint-notes-header p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.blueprint-spec-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.blueprint-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.blueprint-item-marker {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-xs);
  padding: 2px 6px;
  flex-shrink: 0;
  margin-top: 2px;
}

.blueprint-item-marker.copper {
  color: var(--accent-copper-light);
  background: rgba(200, 122, 84, 0.1);
  border-color: var(--border-copper);
}

.blueprint-item-text strong {
  font-size: 0.94rem;
  color: var(--text-primary);
  display: block;
  margin-bottom: 2px;
}

.blueprint-item-text p {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.45;
  margin: 0;
}

/* ==========================================================================
   4 ENGINEERING PILLARS & NATIONAL SECTOR
   ========================================================================== */
.national-section {
  background: linear-gradient(180deg, rgba(6, 7, 9, 0) 0%, rgba(13, 30, 24, 0.45) 50%, rgba(6, 7, 9, 0) 100%);
}

.national-flag-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(0, 155, 58, 0.12);
  border: 1px solid rgba(0, 155, 58, 0.35);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: #34d399;
  letter-spacing: 0.04em;
  margin-bottom: 18px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.brazil-flag-icon {
  display: inline-block;
  vertical-align: middle;
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  flex-shrink: 0;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-pill-badge.badge-brazil {
  background: rgba(0, 155, 58, 0.12);
  border: 1px solid rgba(0, 155, 58, 0.35);
  color: #34d399;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.footer-flag-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 8px;
  margin-bottom: 6px;
}

.national-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.national-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 22px 18px;
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.national-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hairline);
  background: var(--bg-surface-elevated);
}

.national-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.national-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-top: 8px;
  margin-bottom: 14px;
}

.national-card-footer {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-tertiary);
  border-top: 1px solid var(--border-subtle);
  padding-top: 10px;
}

.national-card-footer strong {
  color: var(--text-primary);
}

/* Pillars Grid */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.pillar-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 24px 18px;
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.pillar-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hairline);
  background: var(--bg-surface-elevated);
}

.pillar-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.pillar-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-top: 8px;
  margin-bottom: 16px;
}

.pillar-stat {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-tertiary);
  border-top: 1px solid var(--border-subtle);
  padding-top: 10px;
}

.pillar-stat strong {
  color: var(--accent-cyan);
}

/* ==========================================================================
   ENERGY CALCULATOR & COMPARISON MATRIX
   ========================================================================== */
.calculator-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 32px;
  max-width: 860px;
  margin: 0 auto 48px auto;
  box-shadow: var(--shadow-technical);
  text-align: left;
}

.calc-header {
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 14px;
}

.calc-header h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.calc-header p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.calc-control {
  margin-bottom: 28px;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.slider-labels strong {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  font-size: 1rem;
}

.tariff-info {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

/* Precision Hardware Slider */
.custom-slider {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-dark);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
}

.custom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: var(--radius-xs);
  background: var(--text-primary);
  border: 2px solid var(--bg-surface);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.custom-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  background: var(--accent-cyan);
}

.custom-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-xs);
  background: var(--text-primary);
  border: 2px solid var(--bg-surface);
  cursor: pointer;
}

.calc-results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.calc-result-box {
  background: var(--bg-dark);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  padding: 20px;
}

.calc-result-box.atomiz-box {
  border-color: rgba(56, 189, 248, 0.4);
  background: rgba(56, 189, 248, 0.03);
}

.calc-result-box.traditional-box {
  border-color: rgba(244, 63, 94, 0.3);
  background: rgba(244, 63, 94, 0.02);
}

.result-badge {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 8px;
  display: block;
}

.result-badge.alert {
  color: var(--accent-alert);
}

.result-cost {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.result-detail {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.calc-savings-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-xs);
  padding: 16px 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.savings-text span {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: block;
}

.savings-text strong {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent-green);
}

.savings-note {
  font-size: 0.85rem;
  color: var(--text-secondary);
  max-width: 380px;
}

/* Swiss Comparison Matrix Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

.comparison-table th,
.comparison-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-table thead th {
  background: var(--bg-dark);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--border-hairline);
}

.comparison-table th.highlight,
.comparison-table td.highlight {
  background: rgba(56, 189, 248, 0.04);
  border-left: 1px solid var(--border-accent);
  border-right: 1px solid var(--border-accent);
}

.badge-good {
  font-weight: 700;
  color: var(--accent-green);
}

.badge-bad {
  color: var(--accent-alert);
}

/* ==========================================================================
   TECHNICAL SPEC SHEET (ENGINEERING DATASHEET)
   ========================================================================== */
.specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.spec-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 24px 20px;
  text-align: left;
  box-shadow: var(--shadow-technical);
}

.spec-title {
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 10px;
}

.spec-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.spec-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.86rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
  padding-bottom: 8px;
  gap: 12px;
}

.spec-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.spec-list span {
  color: var(--text-secondary);
}

.spec-list strong {
  color: var(--text-primary);
  text-align: right;
}

/* ==========================================================================
   PRE-ORDER & PRICING SECTION
   ========================================================================== */
.preorder-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 44px 36px;
  max-width: 820px;
  margin: 0 auto;
  box-shadow: var(--shadow-elevated);
  text-align: center;
}

.preorder-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-green);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 4px 12px;
  border-radius: var(--radius-xs);
  margin-bottom: 16px;
}

.preorder-title {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.preorder-subtitle {
  font-size: 0.98rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 32px auto;
  line-height: 1.55;
}

.price-box {
  margin-bottom: 32px;
}

.price-old {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-muted);
  text-decoration: line-through;
  margin-bottom: 2px;
}

.price-current {
  font-size: 3.6rem;
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1;
}

.price-current .currency {
  font-size: 1.6rem;
  font-weight: 700;
  vertical-align: super;
}

.price-current .cents {
  font-size: 1.6rem;
  font-weight: 700;
}

.price-installment {
  font-size: 0.94rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-top: 6px;
}

.whats-included {
  background: var(--bg-dark);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  padding: 24px;
  margin-bottom: 32px;
  text-align: left;
}

.whats-included h3 {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

.included-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.included-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.included-item svg {
  color: var(--accent-green);
  flex-shrink: 0;
}

.preorder-cta-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.secure-checkout {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

/* ==========================================================================
   HVAC PARTNER TEASER SECTION
   ========================================================================== */
.partner-teaser-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 36px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
  align-items: center;
  text-align: left;
  box-shadow: var(--shadow-technical);
}

.partner-teaser-title {
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 14px 0 12px 0;
  color: var(--text-primary);
}

.partner-title-highlight {
  color: var(--accent-cyan);
}

.partner-teaser-desc {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 24px;
}

.partner-teaser-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}

.teaser-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.teaser-icon {
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: var(--radius-xs);
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.teaser-feature-text strong {
  font-size: 0.92rem;
  color: var(--text-primary);
  display: block;
}

.teaser-feature-text span {
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.partner-teaser-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Partner Badge Card Visual */
.partner-badge-card {
  background: var(--bg-dark);
  border: 1px solid var(--border-technical);
  border-radius: var(--radius-sm);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow-technical);
}

.badge-star {
  font-size: 1.8rem;
  color: var(--accent-amber);
}

.partner-badge-name {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-top: 8px;
}

.partner-badge-sub {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-bottom: 20px;
}

.partner-badge-stats {
  display: flex;
  align-items: center;
  justify-content: space-around;
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
}

.badge-stat-item strong {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--accent-cyan);
  display: block;
}

.badge-stat-item span {
  font-size: 0.74rem;
  color: var(--text-tertiary);
}

.badge-stat-divider {
  width: 1px;
  height: 24px;
  background: var(--border-subtle);
}

/* ==========================================================================
   FAQ ACCORDION (Composited Grid Animation)
   ========================================================================== */
.faq-container {
  max-width: 820px;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  overflow: hidden;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.faq-item.open,
.faq-item.active {
  border-color: var(--border-hairline);
  background: var(--bg-surface-elevated);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.98rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  gap: 14px;
}

.faq-toggle {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--accent-cyan);
  transition: transform var(--transition-fast);
  line-height: 1;
}

.faq-item.open .faq-toggle,
.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.open .faq-answer,
.faq-item.active .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer-inner {
  overflow: hidden;
  padding: 0 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.faq-item.open .faq-answer-inner,
.faq-item.active .faq-answer-inner {
  padding-bottom: 20px;
}

.faq-answer-inner p {
  margin-bottom: 8px;
}

.faq-answer-inner strong {
  color: var(--text-primary);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-dark);
  padding: 48px 0 36px 0;
  font-size: 0.84rem;
  color: var(--text-tertiary);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 420px;
  text-align: left;
}

.footer-flag-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin: 10px 0;
}

.footer-tagline {
  color: var(--text-secondary);
  line-height: 1.5;
}

.footer-meta {
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-partner-link {
  color: var(--accent-cyan);
  font-weight: 700;
}

/* ==========================================================================
   MODAL DIALOG (LEAD PRE-ORDER)
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  position: relative;
  width: 100%;
  max-width: 520px;
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 32px 28px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8);
  text-align: left;
  transform: scale(0.96);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.open .modal-card {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px;
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-green);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  margin-bottom: 12px;
}

.modal-title {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.modal-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.5;
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group select {
  background: var(--bg-dark);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  padding: 10px 12px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent-cyan);
}

.btn-submit-lead {
  width: 100%;
  padding: 12px;
  font-size: 0.95rem;
  margin-top: 6px;
}

.form-guarantee {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-top: 8px;
}

.form-guarantee svg {
  color: var(--accent-green);
  flex-shrink: 0;
}

/* ==========================================================================
   PARTNER PAGE SPECIFIC STYLES (INSTALADORES.HTML)
   ========================================================================== */
.partner-page .partner-hero {
  padding-bottom: 60px;
}

/* Trust Badges Strip */
.partner-trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  width: 100%;
  max-width: 1040px;
  margin-top: 40px;
}

.trust-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 18px 16px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  text-align: left;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.trust-item:hover {
  transform: translateY(-2px);
  border-color: var(--border-hairline);
  background: var(--bg-surface-elevated);
}

.trust-icon-box {
  color: var(--accent-cyan);
  flex-shrink: 0;
  margin-top: 2px;
}

.trust-text strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 3px;
}

.trust-text span {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: block;
}

/* ==========================================================================
   PARTNER PROFIT SIMULATOR (INSTALADORES.HTML)
   ========================================================================== */
.partner-calc-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 36px 32px;
  max-width: 920px;
  margin: 0 auto;
  box-shadow: var(--shadow-technical);
  text-align: left;
}

.calc-control-group {
  margin-bottom: 32px;
}

.calc-slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 8px;
}

.slider-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.slider-current-count {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-cyan);
  font-variant-numeric: tabular-nums;
}

.count-unit {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.custom-range-slider {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-dark);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
}

.custom-range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: var(--radius-xs);
  background: var(--text-primary);
  border: 2px solid var(--bg-surface);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.custom-range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  background: var(--accent-cyan);
}

.custom-range-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-xs);
  background: var(--text-primary);
  border: 2px solid var(--bg-surface);
  cursor: pointer;
}

.slider-marks {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 8px;
}

.partner-calc-results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.calc-metric-box {
  background: var(--bg-dark);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  padding: 22px 18px;
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calc-metric-box.highlight {
  border-color: rgba(16, 185, 129, 0.4);
  background: rgba(16, 185, 129, 0.05);
}

.metric-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 12px;
}

.calc-metric-box.highlight .metric-head {
  color: var(--accent-green);
}

.calc-metric-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.1;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.calc-metric-number.total {
  color: var(--accent-green);
  font-size: 2.1rem;
}

.calc-metric-number .cents {
  font-size: 0.95rem;
  font-weight: 600;
  opacity: 0.8;
}

.calc-metric-sub {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.45;
  margin: 0;
}

.calc-annual-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-green);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 6px 10px;
  border-radius: var(--radius-xs);
  margin-top: 12px;
  line-height: 1.35;
}

.partner-calc-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
}

.calc-note {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  max-width: 480px;
  text-align: left;
  margin: 0;
  line-height: 1.4;
}

/* ==========================================================================
   PARTNER PILLARS & BULLETS
   ========================================================================== */
.pillar-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  align-self: flex-start;
  margin-bottom: 16px;
}

.pillar-icon {
  color: var(--accent-cyan);
  margin-bottom: 14px;
}

.pillar-bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pillar-bullets li {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
  position: relative;
  padding-left: 16px;
}

.pillar-bullets li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-weight: bold;
}

/* ==========================================================================
   PARTNER COMPARISON TABLE
   ========================================================================== */
.comparison-table-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-technical);
}

.partner-comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  background: var(--bg-surface);
  font-size: 0.9rem;
  min-width: 780px;
}

.partner-comparison-table th,
.partner-comparison-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
}

.partner-comparison-table thead th {
  background: var(--bg-dark);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
  border-bottom: 1px solid var(--border-hairline);
}

.partner-comparison-table .feature-col {
  width: 26%;
}

.partner-comparison-table .highlight-col {
  background: rgba(56, 189, 248, 0.08) !important;
  border-left: 1px solid rgba(56, 189, 248, 0.3);
  border-right: 1px solid rgba(56, 189, 248, 0.3);
}

.th-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--bg-black);
  background: var(--accent-cyan);
  padding: 2px 6px;
  border-radius: 2px;
  margin-bottom: 6px;
}

.th-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-primary);
}

.th-sub {
  font-size: 0.74rem;
  font-weight: 500;
  color: var(--accent-cyan);
}

.feature-title {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.88rem;
}

.partner-comparison-table .highlight-cell {
  background: rgba(56, 189, 248, 0.04);
  border-left: 1px solid rgba(56, 189, 248, 0.25);
  border-right: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--text-primary);
}

.partner-comparison-table .highlight-val {
  color: var(--accent-cyan);
  font-weight: 700;
}

/* ==========================================================================
   PARTNER MATERIALS SECTION
   ========================================================================== */
.materials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.material-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 28px 22px;
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.material-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hairline);
  background: var(--bg-surface-elevated);
}

.material-icon {
  color: var(--accent-cyan);
  margin-bottom: 16px;
}

.material-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.material-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 18px;
  flex-grow: 1;
}

.material-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
}

.material-link:hover {
  color: #ffffff;
  text-decoration: underline;
}

/* ==========================================================================
   PARTNER REGISTRATION FORM
   ========================================================================== */
.partner-form-wrapper {
  background: var(--bg-surface);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 48px 40px;
  max-width: 820px;
  margin: 0 auto;
  box-shadow: var(--shadow-technical);
}

.partner-form-header {
  margin-bottom: 32px;
}

.partner-custom-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: left;
}

.btn-partner-submit {
  width: 100%;
  justify-content: center;
  margin-top: 10px;
  font-size: 1.05rem;
  padding: 16px 28px;
}

.partner-form-security {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}

.security-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-tertiary);
}

.security-item svg {
  color: var(--accent-green);
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (SWISS MODULAR ADAPTATION)
   ========================================================================== */
@media (max-width: 992px) {
  .hero-metrics-grid,
  .national-grid,
  .pillars-grid,
  .national-seal-chips,
  .specs-grid,
  .partner-trust-strip,
  .materials-grid,
  .partner-calc-results-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .blueprint-grid,
  .partner-teaser-card {
    grid-template-columns: 1fr;
  }

  .scene-stepper-nav {
    grid-template-columns: repeat(3, 1fr);
  }

  .solution-banner {
    flex-direction: column;
    text-align: left;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .nav-links {
    display: none;
  }

  .hero-section {
    padding-top: calc(var(--header-height) + 30px);
    padding-bottom: 50px;
  }

  .hero-metrics-grid,
  .national-grid,
  .pillars-grid,
  .national-seal-chips,
  .specs-grid,
  .partner-trust-strip,
  .materials-grid,
  .partner-calc-results-grid,
  .included-grid,
  .calc-results-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .scene-stepper-nav {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-container {
    flex-direction: column;
    text-align: left;
  }

  .footer-meta {
    text-align: left;
  }

  .calc-savings-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .partner-calc-cta {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .calc-note {
    max-width: 100%;
    text-align: center;
  }

  .partner-form-security {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .preorder-card,
  .calculator-card,
  .partner-calc-card,
  .partner-form-wrapper,
  .blueprint-grid,
  .partner-teaser-card {
    padding: 24px 18px;
  }
}