/* ============================================
   TradePad — Industrial Dark Theme
   ============================================ */

:root {
  --bg: #0c0c0e;
  --surface: #141416;
  --surface-2: #1c1c1f;
  --border: #2a2a2e;
  --text: #f0ede8;
  --text-muted: #8a8a94;
  --accent: #e55c02;
  --accent-dim: rgba(229, 92, 2, 0.12);
  --accent-glow: rgba(229, 92, 2, 0.25);
  --hvac: #4da6ff;
  --plumbing: #4dffb4;
  --electrical: #ffe04d;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---- Typography ---- */
h1, h2, h3, .hero-headline, .manifesto-headline, .closing-headline, .features-title, .trades-title, .industry-title {
  font-family: 'Outfit', system-ui, sans-serif;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.section-label {
  font-family: 'DM Sans', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

/* ---- Navbar ---- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(12, 12, 14, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text);
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.01em;
}
.nav-tagline {
  font-size: 0.8125rem;
  color: var(--text-muted);
  border-left: 1px solid var(--border);
  padding-left: 1.5rem;
}

/* ---- Hero ---- */
.hero {
  padding: 140px 2rem 100px;
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}
.hero-bg-shape {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(229,92,2,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
.hero-headline {
  font-size: clamp(3rem, 5.5vw, 5rem);
  font-weight: 900;
  color: var(--text);
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}
.headline-accent { color: var(--accent); }
.hero-body {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 480px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.tag {
  padding: 0.375rem 0.875rem;
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--surface);
  transition: all 0.2s;
}
.tag:first-child { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

/* ---- Quote Card ---- */
.quote-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(229,92,2,0.08);
}
.quote-card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface-2);
}
.quote-card-title {
  font-family: 'Outfit', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
}
.quote-card-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
}
.quote-card-body {
  padding: 1.25rem;
}
.quote-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.quote-line-label {
  font-size: 0.875rem;
  color: var(--text);
  font-weight: 500;
}
.quote-line-secondary .quote-line-label { color: var(--text-muted); font-size: 0.8125rem; }
.quote-line-price {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}
.quote-line-secondary .quote-line-price { font-size: 0.875rem; color: var(--text-muted); }
.quote-ai-bar {
  background: var(--accent-dim);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  margin: 0.75rem 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 500;
}
.ai-sparkle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.quote-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.875rem 0 0;
  border-top: 1px solid var(--border);
  margin-top: 0.5rem;
}
.quote-total-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}
.quote-total-price {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--text);
}
.quote-card-footer {
  padding: 0.875rem 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface-2);
}
.quote-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: #4dffb4;
  font-weight: 500;
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #4dffb4;
}
.quote-actions {
  display: flex;
  gap: 0.5rem;
}
.quote-action-edit {
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
}
.quote-action-send {
  font-size: 0.8125rem;
  color: white;
  background: var(--accent);
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}

/* ---- Hero Stats ---- */
.hero-stats {
  display: flex;
  gap: 1.5rem;
  margin-top: 1.5rem;
  padding: 1rem 0;
}
.stat { flex: 1; }
.stat-value {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.375rem;
  color: var(--text);
  margin-bottom: 0.25rem;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}
.stat-divider {
  width: 1px;
  background: var(--border);
}

/* ---- Trades Section ---- */
.trades {
  padding: 100px 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.trades-header {
  margin-bottom: 3rem;
}
.trades-title {
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.trades-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.trade-card {
  padding: 2rem 1.75rem;
  background: var(--surface);
  transition: background 0.2s;
  cursor: default;
}
.trade-card:hover { background: var(--surface-2); }
.trade-icon {
  margin-bottom: 1.25rem;
  color: var(--text-muted);
}
.trade-card-hvac .trade-icon { color: var(--hvac); }
.trade-card-plumbing .trade-icon { color: var(--plumbing); }
.trade-card-electrical .trade-icon { color: var(--electrical); }
.trade-card-more .trade-icon { color: var(--accent); }
.trade-name {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text);
  margin-bottom: 1rem;
}
.trade-items {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.trade-items div {
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding-left: 0.75rem;
  position: relative;
}
.trade-items div::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--border);
}

/* ---- Features ---- */
.features {
  padding: 100px 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.features-header { margin-bottom: 3.5rem; }
.features-title {
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}
.feature-card {
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover { border-color: rgba(229,92,2,0.3); transform: translateY(-4px); }
.feature-number {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 0.875rem;
  color: var(--accent);
  margin-bottom: 1.25rem;
  letter-spacing: 0.05em;
}
.feature-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: 0.875rem;
}
.feature-body {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.feature-callout {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.5rem 2rem;
  background: var(--accent-dim);
  border: 1px solid rgba(229,92,2,0.15);
  border-radius: 12px;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.feature-callout p { margin: 0; }
.callout-icon { flex-shrink: 0; margin-top: 2px; }
.feature-callout strong { color: var(--text); }

/* ---- Manifesto ---- */
.manifesto {
  padding: 100px 2rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.manifesto-inner {
  max-width: 900px;
  margin: 0 auto;
}
.manifesto-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.manifesto-headline {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  color: var(--text);
  letter-spacing: -0.025em;
  margin-bottom: 2.5rem;
  line-height: 1.1;
}
.manifesto-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.manifesto-body p {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.75;
}
.manifesto-body strong { color: var(--text); }
.manifesto-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-top: 3rem;
  margin-top: 3rem;
  border-top: 1px solid var(--border);
}
.m-stat-num {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 0.375rem;
}
.m-stat-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ---- Industry ---- */
.industry {
  padding: 100px 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.industry-header { margin-bottom: 3rem; }
.industry-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}
.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 2.5rem;
}
.ind-card {
  padding: 2rem 1.75rem;
  background: var(--surface);
  text-align: left;
}
.ind-value {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 2rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.ind-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.industry-cta {
  text-align: center;
}
.industry-cta p {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---- Closing ---- */
.closing {
  padding: 120px 2rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.closing-inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.closing-icon {
  margin-bottom: 2.5rem;
}
.closing-headline {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  color: var(--text);
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}
.closing-body {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 3rem;
}
.closing-trade-mark {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---- Footer ---- */
.footer {
  padding: 48px 2rem;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}
.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
}
.footer-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.footer-sep { color: var(--border); }
.footer-copy {
  font-size: 0.75rem;
  color: var(--border);
  margin-top: 0.5rem;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
  .trades-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .manifesto-stat-row { grid-template-columns: 1fr; gap: 1.5rem; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .hero { padding: 120px 1.25rem 80px; min-height: auto; }
  .trades, .features, .industry { padding: 60px 1.25rem; }
  .manifesto { padding: 60px 1.25rem; }
  .closing { padding: 80px 1.25rem; }
  .trades-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 1rem; }
  .stat-divider { display: none; }
  .nav-tagline { display: none; }
  .navbar { padding: 0 1.25rem; }
  .quote-card { transform: scale(0.9); transform-origin: top right; }
}

@media (max-width: 480px) {
  .quote-card { transform: none; }
  .quote-card-body { padding: 1rem; }
  .manifesto-stat-row { grid-template-columns: 1fr; }
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border); }