/* ============================================================
   SkySpec AI — Direction A: Premium Dark Tech
   Dual Color Mode Design System
   ============================================================ */

/* --- CSS Custom Properties (Dark Mode = Default) --- */
:root {
  /* Dark palette */
  --bg: #09090B;
  --surface: #18181B;
  --surface-variant: #27272A;
  --surface-bright: #3F3F46;
  --primary: #3B82F6;
  --primary-light: #60A5FA;
  --secondary: #06B6D4;
  --accent: #8B5CF6;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --on-bg: #FAFAFA;
  --on-bg-secondary: #A1A1AA;
  --border: #27272A;
  --card-bg: rgba(255,255,255,0.04);
  --card-border: rgba(255,255,255,0.08);
  --card-hover-border: var(--primary);
  --card-shadow: 0 4px 24px rgba(0,0,0,0.4);
  --card-hover-shadow: 0 8px 32px rgba(59,130,246,0.15);
  --hero-overlay: linear-gradient(135deg, rgba(9,9,11,0.85) 0%, rgba(9,9,11,0.7) 100%);
  --header-bg: rgba(9,9,11,0.85);
  --header-border: rgba(255,255,255,0.06);
  --footer-bg: #09090B;
  --footer-border: #27272A;
  --cta-section-bg: #18181B;
  --input-bg: #18181B;
  --input-border: #3F3F46;
  --input-focus-ring: rgba(59,130,246,0.25);
  --glass-blur: blur(16px);
  --glass-bg: rgba(255,255,255,0.04);
  --glass-border: rgba(255,255,255,0.08);
  --glass-hover-border: rgba(59,130,246,0.3);
  --text-gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --glow-primary: 0 0 20px rgba(59,130,246,0.3);
  --glow-secondary: 0 0 20px rgba(6,182,212,0.3);
  --badge-bg: rgba(59,130,246,0.12);
  --badge-border: rgba(59,130,246,0.3);
  --badge-color: var(--primary-light);
  --stats-strip-bg: var(--surface);
  --stats-strip-border: var(--surface-variant);
  --success-bg: rgba(16,185,129,0.12);
  --success-border: rgba(16,185,129,0.3);

  /* Sub-brand module colors */
  --roofer-accent: #F97316;
  --roofer-accent-light: #FB923C;
  --roofer-bg: rgba(249,115,22,0.08);
  --roofer-border: rgba(249,115,22,0.25);
  --solar-accent: #EAB308;
  --solar-accent-light: #FDE047;
  --solar-bg: rgba(234,179,8,0.08);
  --solar-border: rgba(234,179,8,0.25);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 32px;
  --space-3xl: 48px;
  --space-4xl: 64px;
  --space-5xl: 96px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* --- Light Mode --- */
[data-theme="light"] {
  --bg: #FFFFFF;
  --surface: #F4F4F5;
  --surface-variant: #E4E4E7;
  --surface-bright: #D4D4D8;
  --primary: #2563EB;
  --primary-light: #3B82F6;
  --secondary: #0891B2;
  --accent: #7C3AED;
  --success: #059669;
  --warning: #D97706;
  --error: #DC2626;
  --on-bg: #18181B;
  --on-bg-secondary: #71717A;
  --border: #E4E4E7;
  --card-bg: #FFFFFF;
  --card-border: #E4E4E7;
  --card-hover-border: var(--primary);
  --card-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --card-hover-shadow: 0 10px 25px rgba(0,0,0,0.1);
  --hero-overlay: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(244,244,245,0.85) 100%);
  --header-bg: rgba(255,255,255,0.85);
  --header-border: #E4E4E7;
  --footer-bg: #18181B;
  --footer-border: #27272A;
  --cta-section-bg: #F4F4F5;
  --input-bg: #FFFFFF;
  --input-border: #D4D4D8;
  --input-focus-ring: rgba(37,99,235,0.2);
  --glass-blur: blur(0px);
  --glass-bg: #FFFFFF;
  --glass-border: #E4E4E7;
  --glass-hover-border: var(--primary);
  --glow-primary: 0 4px 14px rgba(37,99,235,0.12);
  --glow-secondary: 0 4px 14px rgba(8,145,178,0.12);
  --badge-bg: rgba(37,99,235,0.08);
  --badge-border: rgba(37,99,235,0.2);
  --badge-color: var(--primary);
  --stats-strip-bg: var(--primary);
  --stats-strip-border: transparent;
  --success-bg: rgba(5,150,105,0.08);
  --success-border: rgba(5,150,105,0.2);

  --roofer-accent: #EA580C;
  --roofer-accent-light: #F97316;
  --roofer-bg: rgba(234,88,12,0.06);
  --roofer-border: rgba(234,88,12,0.2);
  --solar-accent: #CA8A04;
  --solar-accent-light: #EAB308;
  --solar-bg: rgba(202,138,4,0.06);
  --solar-border: rgba(202,138,4,0.2);
}

/* --- Gradient Mesh Backgrounds for Sections --- */
.section-mesh {
  position: relative;
}

.section-mesh::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 400px at 20% 50%, rgba(59,130,246,0.08) 0%, transparent 70%),
    radial-gradient(ellipse 500px 350px at 80% 30%, rgba(6,182,212,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 400px 300px at 50% 80%, rgba(139,92,246,0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

[data-theme="light"] .section-mesh::before {
  background:
    radial-gradient(ellipse 600px 400px at 20% 50%, rgba(37,99,235,0.04) 0%, transparent 70%),
    radial-gradient(ellipse 500px 350px at 80% 30%, rgba(8,145,178,0.03) 0%, transparent 70%);
}

.section-mesh > * { position: relative; z-index: 1; }

/* Roofer mesh */
.page-roofers .section-mesh::before {
  background:
    radial-gradient(ellipse 600px 400px at 20% 50%, rgba(249,115,22,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 500px 350px at 80% 30%, rgba(251,146,60,0.05) 0%, transparent 70%);
}

/* Solar mesh */
.page-solar .section-mesh::before {
  background:
    radial-gradient(ellipse 600px 400px at 20% 50%, rgba(234,179,8,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 500px 350px at 80% 30%, rgba(253,224,71,0.05) 0%, transparent 70%);
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--on-bg);
  line-height: 1.6;
  transition: background var(--transition-base), color var(--transition-base);
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--primary-light); }

img { max-width: 100%; display: block; }

/* --- Header / Nav --- */
header {
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--header-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: background var(--transition-base), border-color var(--transition-base);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary) !important;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.5px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 1.8rem;
  align-items: center;
}

nav a {
  color: var(--on-bg-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  transition: color var(--transition-fast);
  letter-spacing: 0.01em;
}

nav a:hover { color: var(--on-bg); }

.cta-button {
  background: var(--primary) !important;
  color: #FFFFFF !important;
  padding: 0.55rem 1.4rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  transition: all var(--transition-fast);
  box-shadow: var(--glow-primary);
}

.cta-button:hover {
  background: var(--primary-light) !important;
  transform: translateY(-1px);
}

/* Theme Toggle */
.theme-toggle {
  background: var(--surface-variant);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: all var(--transition-fast);
  margin-left: 0.5rem;
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--surface-bright);
  border-color: var(--primary);
}

/* --- Hero Sections --- */
.hero {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.3);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--hero-overlay);
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 3rem 5%;
  max-width: 900px;
  background: rgba(0,0,0,0.2);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
}

[data-theme="light"] .hero-content {
  background: rgba(255,255,255,0.7);
  border-color: rgba(255,255,255,0.5);
}

[data-theme="light"] .hero--has-bg .hero-content {
  background: rgba(0,0,0,0.3);
  border-color: rgba(255,255,255,0.1);
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -1px;
  line-height: 1.15;
  position: relative;
  z-index: 5;
}

/* In dark mode, hero text is always white (over image) */
.hero h1, .hero p, .hero .hero-tag {
  color: #FFFFFF;
}

[data-theme="light"] .hero h1,
[data-theme="light"] .hero p,
[data-theme="light"] .hero .hero-tag {
  color: var(--on-bg);
}

/* For heroes with background images, keep white text in light mode too */
.hero--has-bg h1,
.hero--has-bg p,
.hero--has-bg .hero-tag {
  color: #FFFFFF !important;
}

[data-theme="light"] .hero--has-bg .hero-overlay {
  background: linear-gradient(135deg, rgba(0,20,60,0.7) 0%, rgba(0,10,40,0.6) 100%);
}

.hero p {
  font-size: 1.15rem;
  max-width: 780px;
  margin: 0 auto 2rem;
  opacity: 0.85;
  position: relative;
  z-index: 5;
  line-height: 1.7;
}

.hero-tag {
  display: inline-block;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--badge-color);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0.4rem 1.2rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.2rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn-primary {
  background: var(--primary);
  color: #FFFFFF;
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  display: inline-block;
  transition: all var(--transition-fast);
  box-shadow: var(--glow-primary);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59,130,246,0.35);
  color: #FFFFFF;
}

.btn-outline {
  background: transparent;
  color: #FFFFFF;
  border: 1.5px solid rgba(255,255,255,0.4);
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  display: inline-block;
  transition: all var(--transition-fast);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
  color: #FFFFFF;
}

.btn-secondary {
  background: var(--surface-variant);
  color: var(--on-bg);
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  display: inline-block;
  transition: all var(--transition-fast);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--surface-bright);
  transform: translateY(-1px);
}

/* Sub-brand buttons */
.btn-roofer {
  background: var(--roofer-accent);
  color: #FFFFFF;
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  display: inline-block;
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
}

.btn-roofer:hover { filter: brightness(1.1); transform: translateY(-2px); color: #FFFFFF; }

.btn-solar {
  background: var(--solar-accent);
  color: #1a1a00;
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  display: inline-block;
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
}

.btn-solar:hover { filter: brightness(1.1); transform: translateY(-2px); }

/* --- Stats Strip --- */
.stats-strip {
  background: var(--stats-strip-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid var(--stats-strip-border);
  border-bottom: 1px solid var(--stats-strip-border);
  padding: 1.5rem 5%;
  transition: background var(--transition-base);
}

[data-theme="light"] .stats-strip { color: #FFFFFF; }

.stats-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
  gap: 1rem;
}

.stat-box .num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-light);
  font-family: var(--font-mono);
}

[data-theme="light"] .stat-box .num { color: rgba(255,255,255,0.95); }

.stat-box .lbl {
  font-size: 12px;
  color: var(--on-bg-secondary);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

[data-theme="light"] .stat-box .lbl { color: rgba(255,255,255,0.75); }

/* --- Content Sections --- */
.content-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-4xl) 5%;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--on-bg);
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--on-bg-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-3xl);
  line-height: 1.7;
}

/* --- Glass Card --- */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

/* Gradient shimmer on glass cards (dark mode) */
.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.glass-card:hover::before { opacity: 1; }
[data-theme="light"] .glass-card::before { display: none; }

.glass-card:hover {
  border-color: var(--card-hover-border);
  box-shadow: var(--card-hover-shadow);
  transform: translateY(-4px);
}

/* --- Feature Cards --- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.cards-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

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

.feat-card {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}

/* Top-edge gradient line on cards */
.feat-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feat-card:hover::after { opacity: 1; }
[data-theme="light"] .feat-card::after { height: 3px; }

.feat-card:hover {
  border-color: var(--glass-hover-border);
  box-shadow: var(--card-hover-shadow), var(--glow-primary);
  transform: translateY(-4px);
}

.feat-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  opacity: 0.85;
  transition: opacity var(--transition-base);
}

.feat-card:hover img { opacity: 1; }

.feat-card-body {
  padding: 1.5rem;
}

.feat-card-body .icon {
  font-size: 1.8rem;
  margin-bottom: 0.7rem;
}

.feat-card-body h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--on-bg);
  margin-bottom: 0.5rem;
}

.feat-card-body p {
  font-size: 0.9rem;
  color: var(--on-bg-secondary);
  line-height: 1.65;
  margin-bottom: 0.7rem;
}

.feat-card-body ul {
  list-style: none;
}

.feat-card-body ul li {
  font-size: 0.85rem;
  color: var(--on-bg-secondary);
  padding: 0.2rem 0 0.2rem 1.2rem;
  position: relative;
}

.feat-card-body ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* Roofer sub-brand cards */
.page-roofers .feat-card:hover { border-color: var(--roofer-accent); box-shadow: 0 8px 32px rgba(249,115,22,0.15); }
.page-roofers .feat-card-body ul li::before { color: var(--roofer-accent); }

/* Solar sub-brand cards */
.page-solar .feat-card:hover { border-color: var(--solar-accent); box-shadow: 0 8px 32px rgba(234,179,8,0.15); }
.page-solar .feat-card-body ul li::before { color: var(--solar-accent); }

/* --- Wide Feature Card --- */
.wide-feat {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--card-border);
  transition: all var(--transition-base);
}

.wide-feat:hover {
  border-color: var(--card-hover-border);
  box-shadow: var(--card-hover-shadow);
}

.wide-feat img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  opacity: 0.85;
}

.wide-feat-body {
  padding: 3rem;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.wide-feat-body .icon { font-size: 2.5rem; margin-bottom: 1rem; }

.wide-feat-body h4 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--on-bg);
  margin-bottom: 1rem;
}

.wide-feat-body p {
  font-size: 0.95rem;
  color: var(--on-bg-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.wide-feat-body ul { list-style: none; }

.wide-feat-body ul li {
  font-size: 0.92rem;
  color: var(--on-bg-secondary);
  padding: 0.3rem 0 0.3rem 1.5rem;
  position: relative;
}

.wide-feat-body ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* --- Solution Cards (simpler) --- */
.solution-card {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

/* Subtle corner glow on solution cards */
.solution-card::before {
  content: '';
  position: absolute;
  top: -50%; right: -50%;
  width: 100%; height: 100%;
  background: radial-gradient(circle, rgba(59,130,246,0.06) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.solution-card:hover::before { opacity: 1; }
[data-theme="light"] .solution-card::before { display: none; }

.solution-card:hover {
  border-color: var(--glass-hover-border);
  box-shadow: var(--card-hover-shadow), var(--glow-primary);
  transform: translateY(-4px);
}

.solution-icon { font-size: 2.5rem; margin-bottom: 1rem; }

.solution-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--on-bg);
  margin-bottom: 0.8rem;
}

.solution-card p {
  font-size: 0.95rem;
  color: var(--on-bg-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.solution-card ul {
  list-style: none;
  margin-bottom: 1rem;
}

.solution-card li {
  font-size: 0.88rem;
  color: var(--on-bg-secondary);
  padding: 0.25rem 0 0.25rem 1.2rem;
  position: relative;
}

.solution-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.learn-more {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.learn-more:hover { text-decoration: underline; }

/* --- Solutions Grid --- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: var(--space-2xl);
}

/* --- Module Badges --- */
.module-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 0.4rem 1.2rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.badge-primary { background: var(--badge-bg); border: 1px solid var(--badge-border); color: var(--badge-color); }
.badge-roofer { background: var(--roofer-bg); border: 1px solid var(--roofer-border); color: var(--roofer-accent-light); }
.badge-solar { background: var(--solar-bg); border: 1px solid var(--solar-border); color: var(--solar-accent-light); }
.badge-success { background: var(--success-bg); border: 1px solid var(--success-border); color: var(--success); }

[data-theme="light"] .badge-roofer { color: var(--roofer-accent); }
[data-theme="light"] .badge-solar { color: var(--solar-accent); }

/* --- Dashboard / Module Sections --- */
.module-section {
  padding: var(--space-4xl) 5%;
  border-bottom: 1px solid var(--border);
}

.module-section:last-of-type { border-bottom: none; }

.module-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.module-section h3 {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--on-bg);
  margin-bottom: 1rem;
}

.module-section p.lead {
  font-size: 1.05rem;
  color: var(--on-bg-secondary);
  line-height: 1.7;
  max-width: 800px;
  margin-bottom: var(--space-2xl);
}

/* --- Benefits Strip (roofer/solar sub-brand) --- */
.benefits-strip {
  padding: 1.2rem 5%;
}

.benefits-strip--roofer { background: var(--roofer-accent); color: #FFFFFF; }
.benefits-strip--solar { background: var(--solar-accent); color: #1a1a00; }

.benefits-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* --- CTA Section --- */
.cta-section {
  background: var(--cta-section-bg);
  border-top: 1px solid var(--border);
  padding: var(--space-5xl) 5%;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Gradient glow behind CTA */
.cta-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(59,130,246,0.1) 0%, transparent 70%);
  pointer-events: none;
}

[data-theme="light"] .cta-section::before { opacity: 0.5; }

.cta-section h2 {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--on-bg);
  letter-spacing: -0.5px;
}

.cta-section p {
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 2rem;
  color: var(--on-bg-secondary);
}

/* --- Stats Grid (about page) --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin: var(--space-2xl) 0;
  background: var(--surface);
  padding: var(--space-2xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

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

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.95rem;
  color: var(--on-bg-secondary);
  margin-top: 0.5rem;
}

/* --- Mission Box --- */
.mission-box {
  background: var(--surface);
  padding: var(--space-2xl);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary);
  margin: var(--space-2xl) 0;
}

.mission-box h3 {
  color: var(--primary);
  margin-top: 0;
}

/* --- Contact Layout --- */
.contact-container {
  max-width: 1200px;
  margin: var(--space-3xl) auto;
  padding: 0 5%;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-2xl);
}

.contact-info {
  background: var(--surface);
  padding: var(--space-2xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.contact-info h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--on-bg);
  margin-bottom: var(--space-xl);
}

.info-item { margin-bottom: var(--space-xl); }

.info-item h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.4rem;
}

.info-item p {
  font-size: 0.95rem;
  color: var(--on-bg-secondary);
  line-height: 1.7;
}

.info-item a { color: var(--primary); }
.info-item a:hover { text-decoration: underline; }

/* --- Forms --- */
.contact-form, .form-container {
  background: var(--surface);
  padding: var(--space-2xl);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.contact-form h2, .form-header h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--on-bg);
  margin-bottom: var(--space-xl);
}

.form-header { text-align: center; margin-bottom: var(--space-2xl); }
.form-header p { color: var(--on-bg-secondary); font-size: 1rem; }

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

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--on-bg);
  font-size: 14px;
}

.required { color: var(--error); }

input, select, textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: var(--font-sans);
  background: var(--input-bg);
  color: var(--on-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--input-focus-ring);
}

textarea { resize: vertical; min-height: 120px; }

.submit-btn {
  width: 100%;
  padding: 1rem;
  background: var(--primary);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
  box-shadow: var(--glow-primary);
}

.submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59,130,246,0.35);
}

.submit-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.success-msg, .success-message {
  display: none;
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success);
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin-top: 1rem;
  text-align: center;
}

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

.error-message {
  display: none;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  color: var(--error);
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin-top: 1rem;
  text-align: center;
}

.error-message.show { display: block; }

/* Checkbox grid */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.checkbox-item input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); }
.checkbox-item label { margin: 0; font-weight: 500; }

/* Benefits box (waitlist) */
.benefits-box {
  background: var(--badge-bg);
  border-left: 4px solid var(--primary);
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2xl);
}

.benefits-box h3 {
  color: var(--primary);
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

.benefits-box ul { list-style: none; }

.benefits-box li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.6rem;
  color: var(--on-bg);
  font-size: 14px;
}

.benefits-box li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

/* --- Footer --- */
footer {
  background: var(--footer-bg);
  color: var(--on-bg-secondary);
  padding: var(--space-3xl) 5%;
  border-top: 1px solid var(--footer-border);
}

/* Footer always stays dark regardless of theme */
[data-theme="light"] footer {
  background: #18181B;
  color: #A1A1AA;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-column h4 {
  color: #FAFAFA;
  font-weight: 600;
  margin-bottom: 1.5rem;
  font-size: 15px;
}

.footer-column p {
  font-size: 14px;
  line-height: 1.7;
  color: #A1A1AA;
}

.footer-column ul { list-style: none; }
.footer-column li { margin-bottom: 0.7rem; }

.footer-column a {
  color: #A1A1AA;
  text-decoration: none;
  font-size: 14px;
  transition: color var(--transition-fast);
}

.footer-column a:hover { color: var(--primary-light); }

.footer-bottom {
  max-width: 1400px;
  margin: 2rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid #27272A;
  text-align: center;
  color: #71717A;
  font-size: 13px;
}

/* --- Divider --- */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-2xl) 0;
}

/* --- About page content --- */
.content-prose {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-4xl) 5%;
}

.content-prose h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: var(--space-xl);
  color: var(--on-bg);
}

.content-prose h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: var(--space-3xl) 0 1.2rem;
  color: var(--primary);
}

.content-prose p {
  font-size: 1.05rem;
  color: var(--on-bg-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.content-prose ul {
  margin-left: 2rem;
  margin-bottom: 2rem;
}

.content-prose li {
  margin-bottom: 0.8rem;
  color: var(--on-bg-secondary);
  line-height: 1.7;
}

.content-prose strong {
  color: var(--on-bg);
}

/* --- Waitlist hero (gradient, not image) --- */
.hero--gradient {
  background: linear-gradient(135deg, var(--primary) 0%, #1D4ED8 100%);
  min-height: auto;
  padding: var(--space-3xl) 5%;
}

.hero--gradient h1,
.hero--gradient p {
  color: #FFFFFF !important;
}

/* --- Glassmorphic Form Elements --- */
.contact-form, .form-container {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.contact-info {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

input:focus, select:focus, textarea:focus {
  box-shadow: 0 0 0 3px var(--input-focus-ring), var(--glow-primary);
}

/* --- Glassmorphic Stats Grid --- */
.stats-grid {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

/* --- Glassmorphic Mission Box --- */
.mission-box {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--card-border);
}

/* --- Glassmorphic Module Badges --- */
.module-badge {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* --- Glassmorphic Benefits Box --- */
.benefits-box {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* --- Animated gradient border for primary buttons --- */
.btn-primary {
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--primary), var(--secondary), var(--primary));
  background-size: 200% 200%;
  border-radius: inherit;
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-base);
  animation: gradient-shift 3s ease infinite;
}

.btn-primary:hover::before { opacity: 1; }

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* --- Utility classes --- */
.text-gradient {
  background: var(--text-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-center { text-align: center; }
.mt-2xl { margin-top: var(--space-2xl); }
.mt-3xl { margin-top: var(--space-3xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

/* --- Responsive --- */
@media (max-width: 968px) {
  .hero h1 { font-size: 2rem; }
  .hero { min-height: 360px; }
  .section-title { font-size: 1.8rem; }
  .cards-grid, .cards-grid-4 { grid-template-columns: 1fr; }
  .cards-grid-2 { grid-template-columns: 1fr; }
  .solutions-grid { grid-template-columns: 1fr; }
  .wide-feat { grid-template-columns: 1fr; }
  .contact-container { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .footer-container { grid-template-columns: 1fr; }
  .form-row, .checkbox-grid { grid-template-columns: 1fr; }
  .benefits-inner { gap: 1rem; }
  nav ul { display: none; }
  .theme-toggle { position: absolute; right: 5%; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.7rem; }
  .hero p { font-size: 1rem; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .benefits-inner { flex-direction: column; align-items: center; }
}