:root {
  --bg: #07070d;
  --bg-raised: #0f0f1a;
  --bg-card: #141424;
  --fg: #e2e2ea;
  --fg-muted: #8888a0;
  --accent: #f5a623;
  --accent-glow: rgba(245, 166, 35, 0.15);
  --accent-dim: #c4841c;
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  overflow: hidden;
}

.hero-inner {
  max-width: 820px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  border: 1px solid var(--accent-dim);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 48px;
}

.hero-stat {
  margin-bottom: 32px;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(80px, 15vw, 160px);
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  letter-spacing: -0.04em;
}

.stat-context {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 500;
  color: var(--fg-muted);
  margin-top: 8px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* === PROBLEM === */
.problem {
  padding: 120px 24px;
  background: var(--bg-raised);
}

.problem-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.problem-label,
.services-label,
.verticals-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 48px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 56px;
}

.problem-card {
  padding: 36px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}

.problem-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.problem-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.6;
}

.problem-kicker {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--fg);
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

/* === SERVICES === */
.services {
  padding: 120px 24px;
}

.services-inner {
  max-width: 800px;
  margin: 0 auto;
}

.services-header {
  margin-bottom: 64px;
}

.services-header h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.services-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.service-item {
  display: flex;
  gap: 28px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  align-items: flex-start;
}

.service-item:last-child {
  border-bottom: 1px solid var(--border);
}

.service-icon {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  min-width: 36px;
  padding-top: 4px;
}

.service-content h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.service-content p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* === VERTICALS === */
.verticals {
  padding: 120px 24px;
  background: var(--bg-raised);
}

.verticals-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.verticals-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

.verticals-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.vertical-card {
  padding: 36px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  transition: border-color 0.2s;
}

.vertical-card:hover {
  border-color: var(--accent-dim);
}

.vertical-emoji {
  font-size: 32px;
  margin-bottom: 16px;
}

.vertical-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.vertical-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* === CLOSING === */
.closing {
  padding: 140px 24px;
  text-align: center;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing-line {
  width: 48px;
  height: 3px;
  background: var(--accent);
  margin: 0 auto 48px;
  border-radius: 2px;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}

/* === FOOTER === */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-inner {
  max-width: 800px;
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--fg-muted);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .verticals-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .service-item {
    flex-direction: column;
    gap: 12px;
  }

  .hero {
    min-height: auto;
    padding: 100px 20px 80px;
  }

  .problem,
  .services,
  .verticals {
    padding: 80px 20px;
  }

  .closing {
    padding: 100px 20px;
  }

  .problem-kicker {
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  .hero-badge {
    margin-bottom: 32px;
  }

  .problem-num {
    font-size: 36px;
  }
}
/* ============================================
   NAVIGATION
   ============================================ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(7, 7, 13, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
  margin-right: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--fg-muted);
  padding: 8px 14px;
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
  text-decoration: none;
}

.nav-link:hover {
  color: var(--fg);
  background: rgba(255,255,255,0.05);
}

.nav-cta {
  background: var(--accent);
  color: #07070d;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.15s, transform 0.15s;
  margin-left: 8px;
}

.nav-cta:hover {
  background: var(--accent-dim);
  transform: translateY(-1px);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-dropdown-trigger::after {
  content: '▾';
  font-size: 11px;
  opacity: 0.6;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-width: 220px;
  padding: 8px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.15s, transform 0.15s;
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-dropdown-menu a {
  display: block;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--fg-muted);
  text-decoration: none;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.nav-dropdown-menu a:hover {
  color: var(--fg);
  background: rgba(255,255,255,0.06);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--fg);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

/* Offset for fixed nav */
body { padding-top: 64px; }

/* ============================================
   SHARED PAGE COMPONENTS
   ============================================ */
.page-hero {
  padding: 80px 24px 80px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: var(--bg-raised);
}

.page-hero-inner {
  max-width: 720px;
  margin: 0 auto;
}

.page-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.page-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto;
}

.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #07070d;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 10px;
  text-decoration: none;
  transition: background 0.15s, transform 0.15s;
  cursor: pointer;
  border: none;
}

.btn-primary:hover {
  background: var(--accent-dim);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--fg-muted);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  padding: 14px 24px;
  border-radius: 10px;
  text-decoration: none;
  border: 1px solid var(--border);
  transition: color 0.15s, border-color 0.15s, transform 0.15s;
}

.btn-secondary:hover {
  color: var(--fg);
  border-color: var(--fg-muted);
  transform: translateY(-1px);
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-cta-strip {
  padding: 80px 24px;
  text-align: center;
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
}

.cta-strip-inner {
  max-width: 560px;
  margin: 0 auto;
}

.cta-strip-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cta-strip-inner p {
  color: var(--fg-muted);
  font-size: 16px;
  margin-bottom: 32px;
}

/* ============================================
   SERVICES GRID (INDEX)
   ============================================ */
.services-grid-section {
  padding: 64px 24px;
}

.sg-inner {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.sg-card {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 28px 0;
  border-top: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: background 0.15s;
}

.sg-card:last-child {
  border-bottom: 1px solid var(--border);
}

.sg-card:hover .sg-arrow {
  transform: translateX(4px);
  color: var(--accent);
}

.sg-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  min-width: 32px;
}

.sg-content {
  flex: 1;
}

.sg-content h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 4px;
}

.sg-content p {
  font-size: 14px;
  color: var(--fg-muted);
}

.sg-arrow {
  font-size: 18px;
  color: var(--fg-muted);
  transition: transform 0.2s, color 0.2s;
}

/* ============================================
   SERVICE DETAIL
   ============================================ */
.detail-hero {
  padding: 72px 24px 64px;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
}

.detail-hero-inner {
  max-width: 720px;
  margin: 0 auto;
}

.detail-num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
}

.detail-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.detail-tagline {
  font-size: 19px;
  color: var(--fg-muted);
  line-height: 1.6;
}

.detail-stats {
  padding: 48px 24px;
  border-bottom: 1px solid var(--border);
}

.detail-stats-inner {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.detail-stat-value {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}

.detail-stat-label {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.5;
}

.detail-body {
  padding: 64px 24px;
}

.detail-body-inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.detail-description p {
  font-size: 18px;
  line-height: 1.75;
  color: var(--fg-muted);
}

.detail-section-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
}

.detail-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.detail-feature {
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.detail-feature h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.detail-feature p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

.detail-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.detail-step {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  align-items: center;
}

.detail-step:last-child {
  border-bottom: 1px solid var(--border);
}

.detail-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 1px solid var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
}

.detail-step-text {
  font-size: 16px;
  color: var(--fg-muted);
}

.detail-cta {
  padding: 80px 24px;
  text-align: center;
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
}

.detail-cta-inner {
  max-width: 560px;
  margin: 0 auto;
}

.detail-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.detail-cta p {
  color: var(--fg-muted);
  font-size: 16px;
  margin-bottom: 32px;
}

.detail-related {
  padding: 32px 24px;
  border-top: 1px solid var(--border);
}

.detail-related-inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  gap: 16px;
  align-items: center;
}

.back-link {
  color: var(--fg-muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.15s;
}

.back-link:hover {
  color: var(--accent);
}

/* ============================================
   VERTICALS GRID (INDEX)
   ============================================ */
.verticals-grid-section {
  padding: 64px 24px;
}

.vg-inner {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.vg-card {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
}

.vg-card:last-child {
  border-bottom: 1px solid var(--border);
}

.vg-card:hover .vg-arrow {
  transform: translateX(4px);
  color: var(--accent);
}

.vg-emoji {
  font-size: 28px;
  min-width: 40px;
  text-align: center;
}

.vg-content {
  flex: 1;
}

.vg-content h2 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

.vg-content p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.55;
}

.vg-arrow {
  font-size: 18px;
  color: var(--fg-muted);
  transition: transform 0.2s, color 0.2s;
}

/* ============================================
   VERTICAL DETAIL
   ============================================ */
.vertical-hero {
  padding: 72px 24px 64px;
  text-align: center;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
}

.vertical-hero-inner {
  max-width: 720px;
  margin: 0 auto;
}

.vertical-emoji-lg {
  font-size: 52px;
  margin-bottom: 20px;
  display: block;
}

.vertical-pain {
  padding: 64px 24px;
  border-bottom: 1px solid var(--border);
}

.vertical-pain-inner {
  max-width: 900px;
  margin: 0 auto;
}

.vertical-pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pain-card {
  padding: 32px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.pain-stat {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 12px;
}

.pain-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.55;
}

.vertical-use-cases {
  padding: 64px 24px;
  border-bottom: 1px solid var(--border);
}

.vertical-uc-inner {
  max-width: 900px;
  margin: 0 auto;
}

.uc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.uc-card {
  padding: 32px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}

.uc-card:hover {
  border-color: var(--accent-dim);
}

.uc-num {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}

.uc-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
}

.uc-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

.vertical-testimonial {
  padding: 64px 24px;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
}

.testimonial-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.testimonial-inner blockquote {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 500;
  line-height: 1.5;
  color: var(--fg);
  margin-bottom: 28px;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.testimonial-author strong {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--fg);
}

.testimonial-author span {
  font-size: 13px;
  color: var(--fg-muted);
}

/* ============================================
   ROI CALCULATOR
   ============================================ */
.roi-section {
  padding: 64px 24px 80px;
}

.roi-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.roi-form {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.roi-field label {
  display: block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--fg-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.roi-input-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 14px;
  transition: border-color 0.15s;
}

.roi-input-wrap:focus-within {
  border-color: var(--accent-dim);
}

.roi-input-wrap input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--fg);
  padding: 12px 0;
  min-width: 0;
}

.roi-input-unit,
.roi-input-prefix {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
  flex-shrink: 0;
}

.roi-range {
  width: 100%;
  margin-top: 10px;
  -webkit-appearance: none;
  appearance: none;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
}

.roi-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  transition: transform 0.15s;
}

.roi-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.roi-field small {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--fg-muted);
}

.roi-select {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 13px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--fg);
  outline: none;
  cursor: pointer;
  transition: border-color 0.15s;
}

.roi-select:focus {
  border-color: var(--accent-dim);
}

.roi-select option {
  background: var(--bg-card);
}

/* Results panel */
.roi-results-block {
  position: sticky;
  top: 88px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  transition: border-color 0.3s;
}

.roi-results-block.updated {
  border-color: var(--accent-dim);
}

.roi-results-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.roi-result-main {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.roi-result-number {
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 8px;
  transition: transform 0.2s;
}

.roi-result-number.bump {
  transform: scale(1.04);
}

.roi-result-desc {
  font-size: 14px;
  color: var(--fg-muted);
}

.roi-result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--fg-muted);
}

.roi-result-row:last-of-type {
  border-bottom: none;
}

.roi-result-row strong {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--fg);
}

.roi-result-row.highlight {
  background: var(--accent-glow);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 8px -14px;
}

.roi-result-row.highlight strong {
  color: var(--accent);
}

.roi-payback {
  margin-top: 20px;
  font-size: 13px;
  color: var(--fg-muted);
  text-align: center;
  padding: 12px;
  background: rgba(255,255,255,0.02);
  border-radius: 8px;
}

.roi-cta {
  display: block;
  text-align: center;
  margin-top: 20px;
}

.roi-assumptions {
  max-width: 1000px;
  margin: 24px auto 0;
  font-size: 13px;
  color: var(--fg-muted);
}

.roi-assumptions details {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
}

.roi-assumptions summary {
  cursor: pointer;
  font-weight: 500;
}

.roi-assumptions p {
  margin-top: 10px;
  line-height: 1.65;
}

/* ============================================
   CONTACT FORM
   ============================================ */
.contact-section {
  padding: 64px 24px 80px;
}

.contact-inner {
  max-width: 680px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-row {
  display: flex;
  gap: 20px;
}

.form-row.two-col > .form-field {
  flex: 1;
  min-width: 0;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-field label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.form-optional {
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--fg-muted);
  opacity: 0.6;
}

.form-field input,
.form-field select,
.form-field textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--fg);
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--fg-muted);
  opacity: 0.5;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--accent-dim);
}

.form-field select {
  cursor: pointer;
}

.form-field select option {
  background: var(--bg-card);
}

.form-field textarea {
  resize: vertical;
  min-height: 100px;
}

.form-submit {
  align-self: flex-start;
  font-size: 16px;
  padding: 15px 32px;
}

.contact-success {
  text-align: center;
  padding: 48px 24px;
}

.success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 1px solid var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--accent);
  margin: 0 auto 24px;
}

.contact-success h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 12px;
}

.contact-success p {
  color: var(--fg-muted);
  font-size: 16px;
  line-height: 1.7;
}

.contact-success a {
  color: var(--accent);
  text-decoration: none;
}

.contact-error {
  background: rgba(220, 50, 50, 0.1);
  border: 1px solid rgba(220, 50, 50, 0.3);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 14px;
  color: #ff7070;
  margin-bottom: 8px;
}

/* ============================================
   FOOTER (UPDATED)
   ============================================ */
.site-footer {
  padding: 56px 24px 32px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  gap: 64px;
  margin-bottom: 48px;
}

.footer-brand-block {
  min-width: 200px;
}

.footer-nav {
  display: flex;
  gap: 48px;
  flex: 1;
}

.footer-nav-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 4px;
}

.footer-nav-col a {
  font-size: 14px;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-nav-col a:hover {
  color: var(--fg);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 13px;
  color: var(--fg-muted);
}

/* ============================================
   ERROR PAGE
   ============================================ */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
}

.error-inner {
  max-width: 400px;
}

.error-num {
  font-family: var(--font-display);
  font-size: 120px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.05em;
  line-height: 1;
  margin-bottom: 20px;
  opacity: 0.3;
}

.error-inner h1 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
}

.error-inner p {
  color: var(--fg-muted);
}

.error-inner a {
  color: var(--accent);
  text-decoration: none;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .roi-inner {
    grid-template-columns: 1fr;
  }
  .roi-results-block {
    position: static;
  }
  .detail-stats-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .detail-features-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    flex-direction: column;
    gap: 32px;
  }
  .footer-nav {
    flex-wrap: wrap;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    align-items: stretch;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-dropdown-menu {
    position: static;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0 0 0 16px;
  }
  .nav-dropdown-trigger::after {
    display: none;
  }
  .nav-cta {
    text-align: center;
    margin-left: 0;
  }
  .vertical-pain-grid,
  .uc-grid {
    grid-template-columns: 1fr;
  }
  .form-row.two-col {
    flex-direction: column;
    gap: 24px;
  }
}

/* Hero CTA buttons */
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 36px;
}
