:root {
  --bg: #0C0C0E;
  --bg-surface: #141416;
  --bg-card: #1A1A1E;
  --fg: #E8E6E1;
  --fg-muted: #8A8880;
  --fg-dim: #5A5850;
  --accent: #E8913A;
  --accent-glow: #F5A623;
  --accent-dim: rgba(232, 145, 58, 0.12);
  --border: #2A2A2E;
  --radius: 10px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ==================== HERO ==================== */
.hero {
  padding: 120px 40px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 28px;
  max-width: 900px;
}

.hero h1 .highlight {
  color: var(--accent);
  font-style: italic;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 620px;
  margin-bottom: 64px;
}

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

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.45;
}

/* ==================== PROBLEM ==================== */
.problem {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.problem-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.problem-left h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--fg);
  position: sticky;
  top: 40px;
}

.problem-item {
  display: flex;
  gap: 24px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}

.problem-item:first-child { padding-top: 0; }
.problem-item:last-child { border-bottom: none; }

.problem-icon {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 32px;
  padding-top: 4px;
}

.problem-text h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
}

.problem-text p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ==================== SERVICES ==================== */
.services {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.services h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 14px;
}

.services-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin-bottom: 56px;
}

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color 0.2s;
}

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

.service-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ==================== DIFFERENCE ==================== */
.difference {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.difference-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 20px;
}

.difference-lead {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 680px;
  margin-bottom: 48px;
}

.difference-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
}

.detail {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.detail-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.detail-value {
  font-size: 0.95rem;
  color: var(--fg);
}

/* ==================== CLOSING ==================== */
.closing {
  padding: 120px 40px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  border-top: 1px solid var(--border);
}

.closing h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  max-width: 800px;
  margin: 0 auto 24px;
}

.closing-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ==================== FOOTER ==================== */
.footer {
  padding: 48px 40px;
  border-top: 1px solid var(--border);
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
}

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

/* ==================== MOBILE ==================== */
@media (max-width: 768px) {
  .hero { padding: 80px 24px 60px; }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .stat-card {
    flex-direction: row;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
  }
  
  .stat-number { font-size: 1.8rem; }
  
  .problem { padding: 60px 24px; }
  
  .problem-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .problem-left h2 {
    position: static;
  }
  
  .services { padding: 60px 24px; }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .difference { padding: 60px 24px; }
  
  .difference-details {
    grid-template-columns: 1fr;
    padding: 28px 24px;
  }
  
  .closing { padding: 80px 24px; }
  
  .footer {
    padding: 36px 24px;
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero { padding: 60px 18px 48px; }
  .problem { padding: 48px 18px; }
  .services { padding: 48px 18px; }
  .difference { padding: 48px 18px; }
  .closing { padding: 60px 18px; }
  .footer { padding: 28px 18px; }
}
/* ==================== NAV ==================== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 12, 14, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
}

.nav-link:hover {
  color: var(--fg);
  background: var(--bg-surface);
}

.nav-link--cta {
  color: var(--accent);
  background: var(--accent-dim);
  font-weight: 600;
}

.nav-link--cta:hover {
  background: rgba(232, 145, 58, 0.22);
  color: var(--accent-glow);
}

.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-muted);
  border-radius: 2px;
}

@media (max-width: 640px) {
  .nav-inner { padding: 0 20px; }

  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
  }

  .nav-links.open { display: flex; }

  .nav-link {
    border-radius: 0;
    padding: 14px 24px;
    font-size: 1rem;
  }
}

/* ==================== BUTTONS ==================== */
.btn-primary {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: #0C0C0E;
  background: var(--accent);
  padding: 14px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  letter-spacing: -0.01em;
}

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

.btn-secondary {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg);
  background: transparent;
  padding: 14px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.1s;
  letter-spacing: -0.01em;
}

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

/* ==================== CLOSING CTA BUTTONS ==================== */
.closing-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 40px;
  flex-wrap: wrap;
}

/* ==================== CALCULATOR PAGE ==================== */
.calc-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 40px 120px;
}

.calc-hero {
  margin-bottom: 64px;
}

.calc-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 20px;
  margin-top: 20px;
  max-width: 700px;
}

.calc-body {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 48px;
  align-items: start;
}

/* Form */
.calc-form-wrap {
  position: sticky;
  top: 80px;
}

.calc-form {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.form-field label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
}

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

.form-field input,
.form-field select,
.form-field textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 14px 16px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
  -webkit-appearance: none;
}

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

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

.form-field select {
  cursor: pointer;
  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='%238A8880' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.input-prefix-wrap {
  position: relative;
}

.input-prefix {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--fg-muted);
  font-size: 1rem;
  pointer-events: none;
}

.input-prefix-wrap input {
  padding-left: 32px;
}

.field-hint {
  font-size: 0.82rem;
  color: var(--fg-dim);
}

/* Results */
.calc-results,
.calc-placeholder {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.results-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.results-badge {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.results-note {
  font-size: 0.88rem;
  color: var(--fg-dim);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.result-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.2s;
}

.result-card--primary { border-color: rgba(232, 145, 58, 0.3); }
.result-card--revenue {
  border-color: rgba(232, 145, 58, 0.5);
  background: rgba(232, 145, 58, 0.06);
}

.result-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
}

.result-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
}

.result-sub {
  font-size: 0.82rem;
  color: var(--fg-dim);
}

.results-roi-bar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.roi-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  flex: 1;
}

.roi-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-glow);
  letter-spacing: -0.04em;
  flex: 1;
  text-align: center;
}

.roi-sub {
  font-size: 0.88rem;
  color: var(--fg-muted);
  flex: 1;
  text-align: right;
}

.results-cta {
  background: var(--accent-dim);
  border: 1px solid rgba(232, 145, 58, 0.2);
  border-radius: var(--radius);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.results-cta p {
  font-size: 1rem;
  font-weight: 500;
  color: var(--fg);
}

/* Placeholder */
.placeholder-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.placeholder-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.placeholder-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--fg-dim);
  letter-spacing: -0.03em;
}

.placeholder-label {
  font-size: 0.85rem;
  color: var(--fg-dim);
}

.placeholder-hint {
  font-size: 0.9rem;
  color: var(--fg-dim);
  text-align: center;
  padding: 16px 0;
}

.calc-disclaimer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--fg-dim);
  max-width: 720px;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .calc-body { grid-template-columns: 1fr; }
  .calc-form-wrap { position: static; }
}

@media (max-width: 640px) {
  .calc-page { padding: 48px 20px 80px; }
  .results-grid { grid-template-columns: 1fr; }
  .placeholder-grid { grid-template-columns: 1fr; }
  .results-roi-bar { flex-direction: column; gap: 8px; text-align: center; }
  .roi-sub { text-align: center; }
  .results-cta { flex-direction: column; }
}

/* ==================== CONTACT PAGE ==================== */
.contact-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 40px 120px;
}

.contact-hero {
  margin-bottom: 56px;
  max-width: 680px;
}

.contact-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 20px;
  margin-top: 20px;
}

.contact-body {
  max-width: 760px;
}

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

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

.form-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 8px;
}

.form-note {
  font-size: 0.85rem;
  color: var(--fg-dim);
}

.form-error-banner {
  background: rgba(220, 60, 60, 0.1);
  border: 1px solid rgba(220, 60, 60, 0.3);
  border-radius: var(--radius);
  padding: 14px 20px;
  color: #ff7070;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

/* Success state */
.contact-success {
  max-width: 560px;
  text-align: center;
  margin: 0 auto;
  padding: 80px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid rgba(232, 145, 58, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--accent);
  font-weight: 700;
}

.contact-success h2 {
  font-size: 1.8rem;
  font-weight: 700;
}

.contact-success p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.65;
  max-width: 460px;
}

@media (max-width: 640px) {
  .contact-page { padding: 48px 20px 80px; }
  .form-row { grid-template-columns: 1fr; }
  .form-actions { flex-direction: column; align-items: flex-start; }
}

/* ==================== SERVICES PAGE ==================== */
.services-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 40px 120px;
}

.services-page-hero {
  margin-bottom: 72px;
  max-width: 760px;
}

.services-page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 20px;
  margin-top: 20px;
}

.services-detail {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border);
}

.service-detail-card {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 80px;
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.sdc-header {
  position: sticky;
  top: 80px;
}

.sdc-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 14px;
}

.sdc-header h2 {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.25;
}

.sdc-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sdc-body p {
  font-size: 0.97rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

.sdc-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 8px;
}

.sdc-point {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--fg);
  padding: 10px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.sdc-point::before {
  content: '→ ';
  color: var(--accent);
}

.services-trades {
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
}

.services-trades h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 28px;
}

.trades-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.trade-chip {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid rgba(232, 145, 58, 0.2);
}

.trades-note {
  font-size: 0.92rem;
  color: var(--fg-muted);
  max-width: 600px;
}

.services-cta-block {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  padding: 64px 0 0;
}

.scta-left,
.scta-right {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.scta-left h2,
.scta-right h2 {
  font-size: 1.3rem;
  font-weight: 700;
}

.scta-left p,
.scta-right p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.65;
  flex: 1;
}

@media (max-width: 900px) {
  .service-detail-card { grid-template-columns: 1fr; gap: 32px; }
  .sdc-header { position: static; }
  .services-cta-block { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .services-page { padding: 48px 20px 80px; }
  .sdc-points { grid-template-columns: 1fr; }
  .scta-left, .scta-right { padding: 28px 24px; }
}