/* =========================================================================
   BLITZEN SOLAR v2 — Premium Design System
   Inspired by Tesla Energy × Apple × SpaceX
   Dark mode, Glassmorphism, Micro-animations
   ========================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* =========================================
   DESIGN TOKENS
   ========================================= */
:root {
  /* Core Brand */
  --gold: #D4A017;
  --gold-bright: #FFD700;
  --gold-dark: #B8860B;
  --gold-glow: rgba(255, 215, 0, 0.25);
  --blue: #3B82F6;
  --blue-dark: #2563EB;
  --blue-glow: rgba(59, 130, 246, 0.25);

  /* Neutrals */
  --white: #F5F5F7;
  --silver: #A1A1AA;
  --silver-dark: #71717A;
  --graphite: #18181B;
  --graphite-light: #27272A;

  /* Backgrounds */
  --bg-body: #09090B;
  --bg-section: #0C0C0F;
  --bg-section-alt: #111114;
  --bg-card: rgba(24, 24, 27, 0.7);
  --bg-card-hover: rgba(39, 39, 42, 0.8);
  --bg-glass: rgba(24, 24, 27, 0.55);
  --bg-glass-heavy: rgba(12, 12, 15, 0.85);
  --bg-input: rgba(39, 39, 42, 0.6);

  /* Typography */
  --text-primary: #F4F4F5;
  --text-secondary: #A1A1AA;
  --text-muted: #71717A;

  /* Borders */
  --border: rgba(63, 63, 70, 0.5);
  --border-hover: rgba(161, 161, 170, 0.3);
  --border-active: rgba(212, 160, 23, 0.6);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-gold: 0 0 30px var(--gold-glow);
  --shadow-blue: 0 0 30px var(--blue-glow);

  /* Gradients */
  --grad-gold: linear-gradient(135deg, var(--gold), var(--gold-bright));
  --grad-blue: linear-gradient(135deg, var(--blue), var(--blue-dark));
  --grad-cta: linear-gradient(135deg, var(--gold), var(--blue));
  --grad-hero: radial-gradient(ellipse at 50% 0%, rgba(212,160,23,0.08) 0%, transparent 60%);
  --grad-section: linear-gradient(180deg, var(--bg-section) 0%, var(--bg-body) 100%);

  /* Status */
  --success: #22C55E;
  --warning: #EAB308;
  --danger: #EF4444;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 150ms var(--ease-out);
  --t-normal: 300ms var(--ease-out);
  --t-slow: 500ms var(--ease-out);

  /* Layout */
  --nav-height: 72px;
  --container-max: 1280px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

/* =========================================
   RESET & BASE
   ========================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 17.6px; overflow-x: hidden; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-body);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-body); }
::-webkit-scrollbar-thumb { background: var(--graphite-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--silver-dark); }

img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--gold-bright); }
ul { list-style: none; }

/* =========================================
   TYPOGRAPHY
   ========================================= */
h1, h2, h3, h4 { font-family: 'Outfit', sans-serif; font-weight: 700; line-height: 1.15; }
h1 { font-size: clamp(2.2rem, 5vw, 4rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); letter-spacing: -0.02em; }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.1rem; }

.section-title {
  text-align: center;
  margin-bottom: 0.5rem;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-title-left {
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.section-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(212, 160, 23, 0.12);
  border: 1px solid rgba(212, 160, 23, 0.25);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gold-bright);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

/* =========================================
   LAYOUT
   ========================================= */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 100px 0;
  position: relative;
}
.section-alt {
  background: var(--bg-section-alt);
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--t-normal);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: opacity var(--t-fast);
}
.btn:hover::after { opacity: 1; }

.btn-primary {
  background: var(--grad-gold);
  color: #000;
  box-shadow: 0 4px 20px var(--gold-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 215, 0, 0.4);
}
.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.btn-secondary:hover {
  border-color: var(--gold);
  background: rgba(212, 160, 23, 0.1);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.btn-lg { padding: 16px 36px; font-size: 1.05rem; border-radius: var(--radius-lg); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-full { width: 100%; }
.btn-glow { animation: pulse-glow 2s ease-in-out infinite; }

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 4px 20px var(--gold-glow); }
  50% { box-shadow: 0 4px 40px rgba(255, 215, 0, 0.5); }
}

.btn-sparkle {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: -webkit-radial-gradient(white, black);
}
.btn-sparkle::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.9), transparent);
  transform: skewX(-25deg);
  animation: shine-sweep 2.5s infinite;
  z-index: 999;
  pointer-events: none;
}
@keyframes shine-sweep {
  0% { left: -100%; }
  20% { left: 200%; }
  100% { left: 200%; }
}

.clicked-sparkle {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: -webkit-radial-gradient(white, black);
}
.clicked-sparkle::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.9), transparent);
  transform: skewX(-25deg);
  animation: shine-sweep-once 0.6s ease-out;
  z-index: 999;
  pointer-events: none;
}
@keyframes shine-sweep-once {
  0% { left: -100%; }
  100% { left: 200%; }
}
@keyframes pulse-glow-green {
  0%, 100% { box-shadow: 0 4px 15px rgba(16,185,129,0.3); }
  50% { box-shadow: 0 4px 30px rgba(16,185,129,0.7); }
}

/* =========================================
   GLASS CARDS
   ========================================= */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--t-normal);
}
.glass-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* =========================================
   NAVIGATION
   ========================================= */
#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(9, 9, 11, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--t-normal);
}
#main-nav.scrolled {
  background: rgba(9, 9, 11, 0.92);
  border-bottom-color: var(--border);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
#main-nav.nav-hidden { transform: translateY(-100%); }

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Outfit', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo-gold { color: var(--gold-bright); }
.logo-icon { flex-shrink: 0; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--t-fast);
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.nav-cta { margin-left: 12px; }

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--t-normal);
  border-radius: 2px;
}
.mobile-menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(9, 9, 11, 0.97);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 999;
  opacity: 0;
  transform: translateY(-20px);
  transition: all var(--t-normal);
}
.mobile-menu.open { opacity: 1; transform: translateY(0); display: flex; }
.mobile-link {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 12px 24px;
  transition: color var(--t-fast);
}
.mobile-link:hover { color: var(--gold); }
.mobile-cta { margin-top: 16px; }

/* =========================================
   HERO
   ========================================= */
.hero-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--bg-body);
  padding-top: var(--nav-height);
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-hero);
  pointer-events: none;
}
.hero-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(transparent, var(--bg-body));
  pointer-events: none;
}
#hero-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  padding: 0 24px;
}
.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(212, 160, 23, 0.1);
  border: 1px solid rgba(212, 160, 23, 0.2);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold-bright);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}
.hero-title {
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--white), var(--gold-bright), var(--white));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer-text 4s ease-in-out infinite;
}
@keyframes shimmer-text {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}
.hero-cta-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-number {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold-bright);
}
.stat-suffix {
  font-family: 'Outfit', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold-bright);
}
.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.scroll-chevron {
  display: flex;
  color: var(--text-muted);
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(10px); }
}

/* =========================================
   CORE PRODUCT
   ========================================= */
.core-product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.core-product-image { position: relative; }
.glow-effect-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}
.glow-effect-wrapper::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, var(--gold-glow), transparent 70%);
  filter: blur(60px);
  z-index: 0;
}
.glow-effect-wrapper img {
  position: relative;
  z-index: 1;
  max-width: 420px;
  width: 100%;
  filter: drop-shadow(0 20px 60px rgba(212, 160, 23, 0.15));
}
.core-tagline {
  font-size: 1.2rem;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 12px;
}
.core-description {
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}
.core-features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}
.core-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(39, 39, 42, 0.4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--t-fast);
}
.core-feature:hover {
  border-color: var(--gold);
  background: rgba(212, 160, 23, 0.05);
}
.feature-icon { font-size: 1.4rem; flex-shrink: 0; }
.core-feature div { display: flex; flex-direction: column; }
.core-feature strong { font-size: 0.85rem; color: var(--text-primary); }
.core-feature span { font-size: 0.75rem; color: var(--text-muted); }

/* =========================================
   BENEFITS
   ========================================= */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.benefit-card {
  text-align: center;
  padding: 36px 28px;
}
.benefit-icon-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(212, 160, 23, 0.1);
  border: 1px solid rgba(212, 160, 23, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 20px;
  transition: all var(--t-normal);
}
.benefit-card:hover .benefit-icon-circle {
  background: rgba(212, 160, 23, 0.2);
  border-color: var(--gold);
  transform: scale(1.1);
  box-shadow: var(--shadow-gold);
}
.benefit-card h3 { margin-bottom: 10px; font-size: 1.15rem; }
.benefit-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* =========================================
   HOW IT WORKS (TIMELINE)
   ========================================= */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--blue));
  opacity: 0.3;
}
.timeline-step {
  text-align: center;
  position: relative;
}
.step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--grad-gold);
  color: #000;
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 20px var(--gold-glow);
  transition: all var(--t-normal);
}
.timeline-step:hover .step-number {
  transform: scale(1.15);
  box-shadow: 0 8px 30px rgba(255, 215, 0, 0.4);
}
.step-content h3 { font-size: 1.1rem; margin-bottom: 8px; }
.step-content p { color: var(--text-secondary); font-size: 0.9rem; }

/* =========================================
   TESTIMONIALS
   ========================================= */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card { padding: 32px; }
.testimonial-stars {
  color: var(--gold-bright);
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.testimonial-text {
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 20px;
  font-size: 0.95rem;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-initials {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad-gold);
  color: #000;
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.author-info { display: flex; flex-direction: column; }
.author-info strong { font-size: 0.9rem; }
.author-info span { font-size: 0.8rem; color: var(--text-muted); }

/* =========================================
   BUSINESS TABS
   ========================================= */
.business-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}
.biz-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 28px 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--t-normal);
  text-align: center;
  color: var(--text-secondary);
  backdrop-filter: blur(12px);
}
.biz-tab:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}
.biz-tab.active {
  border-color: var(--gold);
  background: rgba(212, 160, 23, 0.08);
  color: var(--text-primary);
  box-shadow: var(--shadow-gold);
}
.biz-tab-icon { font-size: 2rem; }
.biz-tab-label { font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 1.05rem; color: inherit; }
.biz-tab-desc { font-size: 0.8rem; color: var(--text-muted); }
.biz-tab.active .biz-tab-label { color: var(--gold-bright); }

/* =========================================
   CONFIGURATOR WIZARD (Shared)
   ========================================= */
.config-progress {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0;
  margin-bottom: 40px;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-bottom: 12px;
  /* Mostrar barra de scroll delgada y elegante para escritorio */
  scrollbar-width: thin;
  scrollbar-color: var(--gold) rgba(255, 255, 255, 0.05);
}
.config-progress::-webkit-scrollbar {
  height: 6px;
}
.config-progress::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
}
.config-progress::-webkit-scrollbar-thumb {
  background: var(--gold);
  border-radius: 4px;
}
.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.progress-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-normal);
}
.progress-step.active .progress-circle {
  background: var(--grad-gold);
  border-color: var(--gold);
  color: #000;
  box-shadow: 0 0 16px var(--gold-glow);
}
.progress-step.completed .progress-circle {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  color: #000;
}
.progress-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.progress-step.active .progress-label { color: var(--gold-bright); }
.progress-step.completed .progress-label { color: var(--text-secondary); }

.progress-line {
  width: 32px;
  height: 2px;
  background: var(--border);
  margin: 0 4px;
  margin-bottom: 22px;
  flex-shrink: 0;
}

.config-wizard {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px;
  min-height: 320px;
}
.wizard-step { display: none; animation: fadeSlideIn 0.4s var(--ease-out); }
.wizard-step.active { display: block; }
.wizard-step h3 {
  margin-bottom: 8px;
  font-size: 1.4rem;
}
.step-description {
  color: var(--text-secondary);
  margin-bottom: 28px;
  font-size: 0.95rem;
}

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.wizard-nav {
  max-width: 800px;
  margin: 24px auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

/* =========================================
   FORMS
   ========================================= */
.form-group {
  margin-bottom: 20px;
  flex: 1;
}
.form-group label, .form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: all var(--t-fast);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-glow);
}
.form-input::placeholder { color: var(--text-muted); }
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a1a1aa' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
.form-select option { background: var(--graphite); color: var(--text-primary); }
.form-textarea { resize: vertical; min-height: 80px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.form-divider::before, .form-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Bill Dropzone */
.bill-dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: all var(--t-normal);
  background: rgba(39, 39, 42, 0.2);
}
.bill-dropzone:hover, .bill-dropzone.dragover {
  border-color: var(--gold);
  background: rgba(212, 160, 23, 0.05);
}
.dropzone-icon { color: var(--text-muted); margin-bottom: 12px; }
.dropzone-text { font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.dropzone-subtext { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 8px; }
.dropzone-formats { font-size: 0.75rem; color: var(--text-muted); }

/* Solar Info Card */
.solar-info-card { margin-top: 20px; padding: 20px; }
.solar-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
}
.solar-info-row + .solar-info-row { border-top: 1px solid var(--border); }
.solar-info-label { color: var(--text-secondary); font-size: 0.9rem; }
.solar-info-value { font-weight: 700; color: var(--gold-bright); font-size: 1.05rem; }

/* Type / System / Roof / Mode Selection Cards */
.type-cards-grid, .system-cards-grid, .mode-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
.type-card, .system-card, .mode-card, .core-sys-card {
  text-align: center;
  padding: 24px 16px;
  cursor: pointer;
  position: relative;
}
.type-card.selected, .system-card.selected, .mode-card.selected, .core-sys-card.selected {
  border-color: var(--gold);
  background: rgba(212, 160, 23, 0.08);
  box-shadow: var(--shadow-gold);
}
.type-icon, .system-icon, .mode-icon {
  font-size: 2.2rem;
  display: block;
  margin-bottom: 12px;
}
.type-card h4, .system-card h4, .mode-card h4 { margin-bottom: 6px; font-size: 1rem; }
.type-card p, .mode-card p { color: var(--text-muted); font-size: 0.8rem; }

.system-desc { color: var(--text-secondary); font-size: 0.85rem; margin-bottom: 12px; }
.system-pros {
  list-style: none;
  text-align: left;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.system-pros li { padding: 3px 0; }
.system-pros li::before { content: '✓ '; color: var(--success); font-weight: 700; }

.recommended-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad-gold);
  color: #000;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: 100px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

/* Roof Options */
.roof-options {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.roof-option, .roof-style-option {
  text-align: center;
  padding: 16px 12px;
  cursor: pointer;
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.roof-option span:first-child { font-size: 1.4rem; }
.roof-option.selected, .roof-style-option.selected {
  border-color: var(--gold) !important;
  border-width: 2px !important;
  background: rgba(212, 160, 23, 0.08) !important;
  box-shadow: 0 0 15px rgba(212, 160, 23, 0.2);
}
.roof-option *, .roof-style-option * {
  pointer-events: none;
}

/* Compass */
.compass-selector {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
}
.compass-middle {
  display: flex;
  align-items: center;
  gap: 8px;
}
.compass-center {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.compass-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--t-fast);
}
.compass-btn:hover { border-color: var(--gold); color: var(--gold); }
.compass-btn.selected {
  background: var(--grad-gold);
  color: #000;
  border-color: var(--gold);
  box-shadow: 0 0 12px var(--gold-glow);
}

/* Slope Options */
.slope-section { margin-top: 8px; }
.slope-options {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.slope-option {
  text-align: center;
  padding: 14px 8px;
  cursor: pointer;
  font-size: 0.85rem;
}
.slope-option small { display: block; color: var(--text-muted); font-size: 0.75rem; margin-top: 4px; }
.slope-option.selected {
  border-color: var(--gold);
  background: rgba(212, 160, 23, 0.08);
}

/* Roof Area Display */
.roof-area-display {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  margin-top: 16px;
}
.roof-area-label { color: var(--text-secondary); }
.roof-area-value { font-weight: 700; font-size: 1.2rem; color: var(--gold-bright); }

/* Coverage Slider */
.coverage-section { margin-top: 24px; }
.coverage-slider-container { margin: 12px 0 8px; }
.coverage-slider {
  width: 100%;
  height: 6px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border);
  border-radius: 3px;
  outline: none;
}
.coverage-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--grad-gold);
  cursor: pointer;
  box-shadow: 0 0 10px var(--gold-glow);
  border: 2px solid var(--gold-bright);
}
.slider-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.coverage-display { text-align: center; margin-top: 8px; }
.coverage-value {
  font-family: 'Outfit', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--gold-bright);
}

/* Distance Diagram */
.distance-diagram {
  margin: 0 auto 24px;
  overflow-x: auto;
}
.distance-svg { max-width: 100%; }

/* Results */
.core-result-model {
  text-align: center;
  padding: 32px;
  margin-bottom: 24px;
  border-color: var(--gold);
  position: relative;
}
.result-model-badge {
  background: var(--grad-gold);
  color: #000;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: 100px;
  letter-spacing: 0.08em;
  display: inline-block;
  margin-bottom: 12px;
}
.core-result-model h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.6rem;
  margin-bottom: 8px;
  color: var(--gold-bright);
}
.result-model-desc { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 12px; }
.result-model-price {
  font-family: 'Outfit', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.result-card {
  text-align: center;
  padding: 20px 16px;
}
.result-icon { font-size: 1.6rem; display: block; margin-bottom: 8px; }
.result-label { display: block; font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 6px; }
.result-value { display: block; font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 1.2rem; color: var(--text-primary); }

.components-list { margin-bottom: 24px; }
.results-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* BOM Table */
.bom-table-container { margin-bottom: 24px; overflow-x: auto; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.data-table th {
  background: rgba(39, 39, 42, 0.6);
  padding: 12px 16px;
  text-align: left;
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table td {
  padding: 10px 16px;
  border-bottom: 1px solid rgba(63, 63, 70, 0.3);
  color: var(--text-primary);
}
.data-table .total-row td {
  background: rgba(212, 160, 23, 0.05);
  border-top: 2px solid var(--gold);
  color: var(--gold-bright);
  font-weight: 700;
}
.table-wrapper { overflow-x: auto; }

/* Install Cost Display */
.install-cost-display { padding: 20px; margin-bottom: 24px; }
.install-cost-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.install-cost-row + .install-cost-row { border-top: 1px solid rgba(63, 63, 70, 0.3); }
.install-cost-row.total {
  border-top: 2px solid var(--gold);
  color: var(--text-primary);
  font-size: 1.05rem;
  margin-top: 8px;
  padding-top: 12px;
}
.install-costs { margin-bottom: 20px; }

/* =========================================
   STORE
   ========================================= */
.store-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
}
.store-sidebar ul {
  position: sticky;
  top: calc(var(--nav-height) + 20px);
}
.store-sidebar li {
  padding: 10px 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--t-fast);
  margin-bottom: 4px;
}
.store-sidebar li:hover { color: var(--text-primary); background: rgba(255,255,255,0.04); }
.store-sidebar li.active {
  color: var(--gold-bright);
  background: rgba(212, 160, 23, 0.1);
  font-weight: 600;
}
.store-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.product-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--t-normal);
}
.product-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.product-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: var(--graphite);
}
.product-card-body { padding: 20px; }
.product-card-badge {
  display: inline-block;
  padding: 3px 10px;
  background: var(--grad-gold);
  color: #000;
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 100px;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.product-card-name { font-weight: 600; margin-bottom: 6px; font-size: 0.95rem; }
.product-card-desc { color: var(--text-muted); font-size: 0.8rem; margin-bottom: 12px; line-height: 1.5; }
.product-card-price { font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 1.2rem; color: var(--gold-bright); margin-bottom: 12px; }
.product-card-actions { display: flex; gap: 8px; align-items: center; }
.qty-controls {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.qty-btn {
  width: 32px;
  height: 32px;
  background: var(--bg-card);
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 1rem;
  transition: background var(--t-fast);
}
.qty-btn:hover { background: var(--bg-card-hover); }
.qty-value {
  width: 36px;
  text-align: center;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-primary);
  background: var(--bg-input);
  padding: 6px 0;
}
.btn-add-cart {
  flex: 1;
  padding: 8px 16px;
  background: var(--grad-gold);
  color: #000;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--t-fast);
}
.btn-add-cart:hover { box-shadow: 0 4px 16px var(--gold-glow); }

/* =========================================
   CART SIDEBAR
   ========================================= */
.cart-fab {
  position: fixed;
  bottom: 100px;
  right: 28px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--grad-gold);
  color: #000;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px var(--gold-glow);
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-normal);
}
.cart-fab:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(255,215,0,0.4); }
.cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 22px;
  height: 22px;
  border-radius: 11px;
  background: var(--danger);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
}

.cart-sidebar {
  position: fixed;
  top: 0;
  right: -420px;
  width: 400px;
  max-width: 90vw;
  height: 100vh;
  background: var(--bg-glass-heavy);
  backdrop-filter: blur(24px);
  border-left: 1px solid var(--border);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  transition: right var(--t-slow);
  overflow-y: auto;
}
.cart-sidebar.open { right: 0; }
.cart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.cart-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--t-fast);
}
.cart-close:hover { border-color: var(--gold); color: var(--gold); }
.cart-items { flex: 1; padding: 16px 24px; overflow-y: auto; }
.cart-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(63, 63, 70, 0.3);
}
.cart-item-info { flex: 1; }
.cart-item-name { font-weight: 600; font-size: 0.85rem; margin-bottom: 4px; }
.cart-item-price { color: var(--gold); font-weight: 600; font-size: 0.9rem; }
.cart-item-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.8rem;
  transition: color var(--t-fast);
}
.cart-item-remove:hover { color: var(--danger); }

.cart-purchase-type { padding: 16px 24px; border-top: 1px solid var(--border); }
.cart-purchase-type h4 { font-size: 0.9rem; margin-bottom: 12px; }
.radio-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
}
.radio-option input[type="radio"] { accent-color: var(--gold); }

.cart-totals { padding: 16px 24px; border-top: 1px solid var(--border); }
.cart-total-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.cart-total-final {
  border-top: 2px solid var(--gold);
  margin-top: 8px;
  padding-top: 12px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}
#btn-checkout { margin: 16px 24px 24px; width: calc(100% - 48px); }
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1050;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-normal);
}
.cart-overlay.active { opacity: 1; pointer-events: auto; }

/* =========================================
   MODALS
   ========================================= */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
}
.modal-content {
  position: relative;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 36px;
  animation: modalIn 0.3s var(--ease-out);
}
.modal-lg { max-width: 800px; }
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--t-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-close:hover { border-color: var(--gold); color: var(--gold); }
.modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  justify-content: center;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* =========================================
   INSTALLER PORTAL
   ========================================= */
.installer-auth {
  max-width: 480px;
  margin: 0 auto;
}
.auth-card { padding: 40px; }
.auth-card h3 { text-align: center; margin-bottom: 28px; }
.auth-switch {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 16px;
}
.auth-switch a { color: var(--gold); font-weight: 600; }

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.dashboard-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.dashboard-tab {
  padding: 10px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--t-fast);
}
.dashboard-tab:hover { border-color: var(--border-hover); color: var(--text-primary); }
.dashboard-tab.active {
  border-color: var(--gold);
  color: var(--gold-bright);
  background: rgba(212, 160, 23, 0.08);
}
.tab-content { display: none; animation: fadeSlideIn 0.3s var(--ease-out); }
.tab-content.active { display: block; }
.tab-card { padding: 32px; }
.tab-card h4 { margin-bottom: 20px; color: var(--gold-bright); }
.cubicador-results { margin-top: 24px; }

/* =========================================
   CHATBOT
   ========================================= */
.chatbot { position: fixed; bottom: 28px; right: 28px; z-index: 950; }
.chatbot-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--grad-gold);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px var(--gold-glow);
  transition: all var(--t-normal);
  animation: pulse-glow 3s ease-in-out infinite;
}
.chatbot-toggle:hover { transform: scale(1.1); }

.chatbot-panel {
  position: absolute;
  bottom: 72px;
  right: 0;
  width: 380px;
  max-height: 520px;
  background: var(--bg-glass-heavy);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: chatIn 0.3s var(--ease-out);
}
@keyframes chatIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.chatbot-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(24, 24, 27, 0.8);
}
.chatbot-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(212, 160, 23, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}
.chatbot-header-info { flex: 1; display: flex; flex-direction: column; }
.chatbot-title { font-weight: 700; font-size: 0.9rem; }
.chatbot-status { font-size: 0.75rem; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  display: inline-block;
}
.chatbot-minimize {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  transition: color var(--t-fast);
}
.chatbot-minimize:hover { color: var(--text-primary); }

.chatbot-messages {
  flex: 1;
  padding: 16px 20px;
  overflow-y: auto;
  max-height: 300px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.chat-message {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 0.9rem;
  line-height: 1.5;
  animation: messageIn 0.3s var(--ease-out);
}
@keyframes messageIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.bot-message {
  align-self: flex-start;
  background: rgba(39, 39, 42, 0.8);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
  color: var(--text-primary);
}
.user-message {
  align-self: flex-end;
  background: var(--grad-gold);
  color: #000;
  border-bottom-right-radius: 4px;
}

.chatbot-suggestions {
  padding: 8px 20px 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.suggestion-pill {
  padding: 6px 14px;
  background: rgba(39, 39, 42, 0.6);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--t-fast);
  white-space: nowrap;
}
.suggestion-pill:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(212, 160, 23, 0.08);
}

.chatbot-input-area {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: rgba(24, 24, 27, 0.8);
}
.chatbot-input {
  flex: 1;
  padding: 10px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-primary);
  font-size: 0.85rem;
  outline: none;
  font-family: 'Inter', sans-serif;
}
.chatbot-input:focus { border-color: var(--gold); }
.chatbot-input::placeholder { color: var(--text-muted); }
.chatbot-send {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--grad-gold);
  border: none;
  color: #000;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-fast);
  flex-shrink: 0;
}
.chatbot-send:hover { transform: scale(1.1); }

/* =========================================
   CTA SECTION
   ========================================= */
.cta-section {
  padding: 100px 0;
  background: var(--bg-section-alt);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--gold-glow), transparent 70%);
  filter: blur(80px);
  pointer-events: none;
}
.cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
}
.cta-content h2 {
  margin-bottom: 16px;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cta-content p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* =========================================
   FOOTER
   ========================================= */
.footer {
  background: var(--graphite);
  padding: 60px 0 30px;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-logo { margin-bottom: 16px; }
.footer-description { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 20px; line-height: 1.6; }
.footer-social { display: flex; gap: 12px; }
.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--t-fast);
}
.social-icon:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(212, 160, 23, 0.1);
}

.footer-col h4 {
  color: var(--text-primary);
  margin-bottom: 16px;
  font-size: 0.95rem;
}
.footer-links li { margin-bottom: 8px; }
.footer-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: color var(--t-fast);
}
.footer-links a:hover { color: var(--gold); }

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.footer-contact a { color: var(--text-muted); }
.footer-contact a:hover { color: var(--gold); }
.footer-contact svg { flex-shrink: 0; color: var(--silver-dark); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer-bottom-links { display: flex; gap: 8px; }
.footer-bottom-links a { color: var(--text-muted); }
.footer-bottom-links a:hover { color: var(--gold); }
.footer-divider { color: var(--border); }

/* =========================================
   SCROLL ANIMATIONS
   ========================================= */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Step Error */
.step-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: #FCA5A5;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: fadeSlideIn 0.3s var(--ease-out);
  transition: opacity 0.3s ease;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}
.toast {
  padding: 14px 24px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: white;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  animation: toastIn 0.3s var(--ease-out);
  cursor: pointer;
}
.toast-success { background: rgba(34, 197, 94, 0.9); }
.toast-warning { background: rgba(234, 179, 8, 0.9); color: #000; }
.toast-error { background: rgba(239, 68, 68, 0.9); }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .nav-links, .nav-cta, .nav-cta-logo { display: none !important; }
  .mobile-menu-toggle { display: flex; }

  .core-product-layout { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .core-features-list { max-width: 440px; margin: 0 auto 32px; }
  .core-product-info { display: flex; flex-direction: column; align-items: center; }

  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .timeline::before { display: none; }

  .business-tabs { grid-template-columns: 1fr; max-width: 400px; }
  .biz-tab { flex-direction: row; text-align: left; gap: 16px; }

  .store-layout { grid-template-columns: 1fr; }
  .store-sidebar ul {
    display: flex;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 8px;
    position: static;
  }
  .store-sidebar li { white-space: nowrap; flex-shrink: 0; }

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

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

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .container { padding: 0 16px; }

  .hero-cta-row { flex-direction: column; align-items: center; }
  .hero-cta-row .btn { width: 100%; max-width: 320px; }
  .hero-stats { gap: 20px; }
  .stat-divider { height: 30px; }

  .benefits-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .timeline { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }

  .config-wizard { padding: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .slope-options { grid-template-columns: repeat(2, 1fr); }
  .compass-middle { flex-wrap: wrap; justify-content: center; }

  .config-progress { gap: 2px; }
  .progress-line { width: 16px; }
  .progress-label { font-size: 0.6rem; }

  .results-grid { grid-template-columns: 1fr; }
  .results-cta { flex-direction: column; }

  .chatbot-panel { width: calc(100vw - 32px); right: -16px; bottom: 68px; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  
  /* Fix layout bleed issues on mobile */
  .kit-step-2-container { flex-direction: column; }
  .consumption-panel { width: 100%; position: static; }
  .btn { white-space: normal !important; height: auto; text-align: center; line-height: 1.4; padding: 12px 20px; word-wrap: break-word; }
  .core-product-layout > div { min-width: 0; max-width: 100vw; }
  .specs-grid { grid-template-columns: 1fr !important; gap: 1rem !important; padding: 1.5rem !important; }
  .core-steps-container { padding: 1.5rem !important; }
  .core-steps-container h4, .core-steps-container p { word-wrap: break-word; overflow-wrap: break-word; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.8rem; }
  .stat-number, .stat-suffix { font-size: 1.5rem; }
  .core-features-list { grid-template-columns: 1fr; }
  .type-cards-grid, .system-cards-grid, .mode-cards-grid { grid-template-columns: 1fr; }
  .roof-options { grid-template-columns: repeat(3, 1fr); }
  .store-grid { grid-template-columns: 1fr; }
}

/* =========================================
   MODAL STYLES
   ========================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-content {
  background: var(--bg-card);
  padding: 32px;
  border-radius: 24px;
  border: 1px solid var(--border);
  width: 100%;
  max-width: 450px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}
.modal-content h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.modal-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 24px;
}

/* =========================================
   PRINT STYLES
   ========================================= */
@media print {
  body { background: white; color: black; }
  #main-nav, #hero, #benefits, #how-it-works, #testimonials,
  #business-lines, #store, #installer-portal, #chatbot, #cart-fab,
  #cta-section, #footer, .btn, .modal-close, .wizard-nav,
  .config-progress, .cart-sidebar, .cart-overlay { display: none !important; }
  #quote-modal { position: static; background: none; padding: 0; }
  .modal-content { box-shadow: none; border: none; max-width: 100%; }
  .section { padding: 20px 0; }
}

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

/* Kit Step 2 Layout */
.kit-step-2-container { display: flex; flex-direction: column; gap: 1.5rem; align-items: stretch; margin-top: 1.5rem; }
.kit-appliances-area { width: 100%; }
.consumption-panel { width: 100%; padding: 1.5rem; position: static; margin-top: 1rem; }