:root {
  --bg: #0a0a0f;
  --bg-subtle: #12121a;
  --fg: #e8e8ed;
  --fg-muted: #9999a8;
  --accent: #22d68a;
  --accent-dim: rgba(34, 214, 138, 0.12);
  --accent-glow: rgba(34, 214, 138, 0.25);
  --card-bg: #16161f;
  --card-border: #22222e;
  --radius: 12px;
  --radius-sm: 8px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', -apple-system, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* Hero */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  background: 
    radial-gradient(ellipse 60% 50% at 50% 0%, var(--accent-dim) 0%, transparent 60%),
    var(--bg);
}

.hero-inner {
  max-width: 800px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero h1 .accent {
  color: var(--accent);
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--card-border);
}

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

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.4;
}

/* Problem */
.problem {
  padding: 120px 24px;
  background: var(--bg-subtle);
}

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

.problem h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.problem-text {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 650px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

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

.problem-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

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

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

.services h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.services-subtitle {
  font-size: 1.1rem;
  color: var(--fg-muted);
  margin-bottom: 56px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

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

.service-card:hover {
  border-color: var(--accent-glow);
}

.service-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 16px;
  opacity: 0.7;
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* Verticals */
.verticals {
  padding: 100px 24px;
  background: var(--bg-subtle);
}

.verticals-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.verticals h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.verticals-subtitle {
  color: var(--fg-muted);
  margin-bottom: 40px;
}

.verticals-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.vertical-pill {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 100px;
  padding: 10px 22px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.2s;
}

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

/* Closing */
.closing {
  padding: 120px 24px;
  text-align: center;
}

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

.closing h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.closing-text {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.8;
}

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

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* Buttons */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #0a0a0f;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: 6px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
  letter-spacing: 0.01em;
}

.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

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

.btn-full {
  width: 100%;
  text-align: center;
}

/* ROI Calculator */
.calculator {
  padding: 120px 24px;
  background: var(--bg-subtle);
}

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

.calculator-header {
  max-width: 600px;
  margin-bottom: 56px;
}

.calculator-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 12px;
  margin-top: 20px;
  letter-spacing: -0.02em;
}

.calculator-subtitle {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

.calculator-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 40px;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.calc-field label {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 10px;
}

.input-wrapper {
  display: flex;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s;
}

.input-wrapper:focus-within {
  border-color: var(--accent);
}

.input-prefix,
.input-unit {
  padding: 0 14px;
  color: var(--accent);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  background: var(--accent-dim);
  height: 52px;
  display: flex;
  align-items: center;
}

.calc-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--fg);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  padding: 14px 16px;
  min-width: 0;
}

.calc-input::placeholder {
  color: var(--fg-muted);
  font-weight: 400;
  font-size: 1.1rem;
}

.field-hint {
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--fg-muted);
}

.calc-results {
  min-height: 200px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.result-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  background: var(--card-bg);
  border: 1px dashed var(--card-border);
  border-radius: var(--radius);
  padding: 32px;
  color: var(--fg-muted);
  text-align: center;
  font-size: 0.95rem;
  line-height: 1.6;
}

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

.result-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.result-card--recovered,
.result-card--annual {
  border-color: rgba(34, 214, 138, 0.25);
  background: rgba(34, 214, 138, 0.04);
}

.result-label {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg-muted);
  font-weight: 500;
}

.result-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--fg);
}

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

.result-value--large {
  font-size: 2.2rem;
}

.calc-assumption {
  font-size: 0.8rem;
  color: var(--fg-muted);
  line-height: 1.5;
  padding: 12px 16px;
  border-left: 2px solid var(--accent-glow);
}

.calc-cta {
  text-align: center;
  margin-top: 8px;
}

/* Contact Section */
.contact {
  padding: 120px 24px;
  background: var(--bg);
}

.contact-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-left h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  letter-spacing: -0.02em;
  margin: 20px 0 16px;
}

.contact-lede {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-promises {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-promises li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--fg-muted);
}

.promise-check {
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 36px 32px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.form-field label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.form-field input,
.form-field textarea {
  background: var(--bg-subtle);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--fg);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--fg-muted);
  opacity: 0.6;
}

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

.form-success {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-glow);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--accent);
  font-size: 0.95rem;
}

.success-icon {
  font-size: 1.1rem;
  font-weight: 700;
}

.form-error {
  background: rgba(255, 80, 80, 0.08);
  border: 1px solid rgba(255, 80, 80, 0.25);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: #ff8080;
  font-size: 0.9rem;
  line-height: 1.5;
}

.form-error a {
  color: #ff8080;
}

/* Mobile */
@media (max-width: 768px) {
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .problem-grid {
    grid-template-columns: 1fr;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .hero {
    min-height: auto;
    padding: 60px 20px;
  }
  
  .problem,
  .services,
  .verticals,
  .closing,
  .calculator,
  .contact {
    padding: 80px 20px;
  }

  .calculator-body {
    grid-template-columns: 1fr;
  }

  .contact-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 28px 20px;
  }
}