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

:root {
  --bg: #0e1117;
  --bg-card: #161b24;
  --bg-card-hover: #1c222e;
  --surface: #1e2532;
  --border: #2a3240;
  --text: #e8eaf0;
  --text-muted: #8892a4;
  --accent: #e8651a;
  --accent-dim: rgba(232, 101, 26, 0.12);
  --font-head: 'Barlow Condensed', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* HEADER */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(14, 17, 23, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  display: flex;
  align-items: baseline;
  gap: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 0.06em;
}
.wordmark-torque { color: var(--text); }
.wordmark-os { color: var(--accent); }
.header-nav { display: flex; gap: 2.5rem; }
.header-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.header-nav a:hover { color: var(--text); }
.header-nav-cta {
  color: var(--accent) !important;
  border: 1px solid rgba(232, 101, 26, 0.4);
  padding: 0.3rem 0.85rem;
  border-radius: 2px;
  transition: background 0.2s, border-color 0.2s !important;
}
.header-nav-cta:hover { background: var(--accent-dim); border-color: var(--accent) !important; color: var(--accent) !important; }

/* HERO */
.hero {
  padding-top: 64px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--bg);
  background-image: radial-gradient(ellipse 80% 60% at 70% 40%, rgba(232, 101, 26, 0.06) 0%, transparent 60%);
}
.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-eyebrow {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.hero-headline {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(3.5rem, 7vw, 6rem);
  line-height: 1.0;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.hero-lede {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
}
.hero-image-block {
  position: relative;
}
.hero-image-block img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border);
  display: block;
}
.hero-image-caption {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  font-family: var(--font-head);
  letter-spacing: 0.05em;
}
.hero-stats {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
  display: flex;
  align-items: center;
  gap: 0;
  border-top: 1px solid var(--border);
}
.stat {
  flex: 1;
  padding: 0 2rem;
}
.stat:first-child { padding-left: 0; }
.stat-value {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 2.5rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: block;
}
.stat-divider {
  width: 1px;
  height: 50px;
  background: var(--border);
  flex-shrink: 0;
}

/* SYSTEMS */
.systems {
  padding: 8rem 2rem;
  background: var(--bg-card);
}
.systems-header {
  max-width: 1200px;
  margin: 0 auto 4rem;
}
.section-heading {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 2.8rem;
  letter-spacing: 0.02em;
  color: var(--text);
  margin-bottom: 0.75rem;
}
.section-sub {
  color: var(--text-muted);
  font-size: 1.1rem;
}
.systems-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.system-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2.5rem;
  transition: border-color 0.3s, background 0.3s;
}
.system-card:hover {
  border-color: rgba(232, 101, 26, 0.4);
  background: var(--bg-card-hover);
}
.system-icon {
  margin-bottom: 1.5rem;
}
.system-card h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--text);
  margin-bottom: 0.75rem;
  letter-spacing: 0.03em;
}
.system-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* PROOF */
.proof {
  padding: 8rem 2rem;
  background: var(--bg);
}
.proof-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.proof-eyebrow {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.proof-heading {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 2.8rem;
  color: var(--text);
  margin-bottom: 1.25rem;
  line-height: 1.1;
}
.proof-body {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}
.proof-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.proof-metric {
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
}
.proof-value {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 0.4rem;
}
.proof-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.proof-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border);
  display: block;
}
.proof-image-caption {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  font-family: var(--font-head);
  letter-spacing: 0.05em;
}

/* PILOT */
.pilot {
  padding: 8rem 2rem;
  background: var(--bg-card);
}
.pilot-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.pilot-badge {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.35rem 0.85rem;
  border-radius: 2px;
  margin-bottom: 1.5rem;
}
.pilot-heading {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 3.5rem;
  color: var(--text);
  margin-bottom: 1rem;
  line-height: 1.05;
}
.pilot-body {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 3.5rem;
  max-width: 560px;
}
.pilot-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-bottom: 3rem;
  border: 1px solid var(--border);
}
.pilot-step {
  padding: 2rem 1.75rem;
  border-right: 1px solid var(--border);
  position: relative;
}
.pilot-step:last-child { border-right: none; }
.step-num {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 2.5rem;
  color: rgba(232, 101, 26, 0.15);
  margin-bottom: 1rem;
  line-height: 1;
}
.pilot-step h4 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 0.6rem;
  letter-spacing: 0.03em;
}
.pilot-step p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.pilot-differentiators {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.diff {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* CLOSING */
.closing {
  padding: 8rem 2rem;
  background: var(--bg);
  background-image: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(232, 101, 26, 0.05) 0%, transparent 60%);
}
.closing-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.closing-headline {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--text);
  margin-bottom: 1.5rem;
  line-height: 1.1;
}
.closing-body {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto 3rem;
  line-height: 1.8;
}
.closing-stats {
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-bottom: 3rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.closing-num {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 3rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.closing-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.closing-tagline {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* FOOTER */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 4rem 2rem 2rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand .wordmark { font-size: 1.25rem; }
.footer-tagline {
  margin-top: 0.75rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.footer-links { display: flex; gap: 4rem; }
.footer-col { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col h5 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.footer-col a, .footer-col span {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }

/* CALCULATOR */
.calculator {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 6rem 2rem;
}
.calc-inner { max-width: 1200px; margin: 0 auto; }

.calc-header { max-width: 640px; margin-bottom: 3rem; }
.calc-badge {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.85rem;
  border-radius: 2px;
  margin-bottom: 1.25rem;
}
.calc-heading {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 0.75rem;
}
.calc-sub { color: var(--text-muted); font-size: 1rem; }

.calc-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.calc-section-label {
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* inputs */
.calc-inputs { display: flex; flex-direction: column; gap: 1rem; }
.calc-field { display: flex; flex-direction: column; gap: 0.35rem; }
.calc-field label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.calc-unit {
  font-size: 0.75rem;
  color: var(--accent);
  font-family: var(--font-head);
  letter-spacing: 0.05em;
}
.calc-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  opacity: 0.7;
}
.calc-field input[type="number"] {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-size: 1rem;
  font-family: var(--font-body);
  padding: 0.6rem 0.85rem;
  width: 100%;
  transition: border-color 0.2s;
  -moz-appearance: textfield;
}
.calc-field input[type="number"]::-webkit-outer-spin-button,
.calc-field input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; }
.calc-field input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
}

/* outputs */
.calc-outputs { display: flex; flex-direction: column; gap: 1.25rem; }

.calc-result-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.25rem 1.5rem;
}
.calc-result-primary {
  background: var(--accent-dim);
  border-color: rgba(232, 101, 26, 0.3);
}
.calc-result-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.calc-result-primary .calc-result-label { color: rgba(232, 101, 26, 0.8); }
.calc-result-value {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 2rem;
  color: var(--text);
  letter-spacing: -0.01em;
}
.calc-result-primary .calc-result-value { color: var(--accent); font-size: 2.5rem; }
.calc-result-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.calc-results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.calc-results-grid .calc-result-value { font-size: 1.4rem; }

.calc-payback-row {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.calc-payback-item {
  flex: 1;
  padding: 1rem 1.25rem;
  background: var(--bg);
}
.calc-payback-item:first-child { border-right: 1px solid var(--border); }
.calc-payback-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-head);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}
.calc-payback-value {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text);
}

/* email block */
.calc-email-block { display: flex; flex-direction: column; gap: 0.75rem; }
.calc-email-fields { display: flex; gap: 0.75rem; }
.calc-email-fields input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-size: 0.9rem;
  font-family: var(--font-body);
  padding: 0.65rem 0.9rem;
  transition: border-color 0.2s;
}
.calc-email-fields input::placeholder { color: var(--text-muted); opacity: 0.7; }
.calc-email-fields input:focus { outline: none; border-color: var(--accent); }

.calc-email-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  width: 100%;
}
.calc-email-btn:hover { border-color: var(--accent); color: var(--accent); }
.calc-email-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.calc-email-status {
  font-size: 0.82rem;
  min-height: 1.2em;
  color: var(--text-muted);
}
.calc-email-status.success { color: #4caf87; }
.calc-email-status.error   { color: #e86b6b; }

.calc-book-btn {
  display: block;
  text-align: center;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.06em;
  padding: 1rem 2rem;
  border-radius: 3px;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 0.2s;
}
.calc-book-btn:hover { background: #d45a14; }

/* MOBILE */
@media (max-width: 768px) {
  .header-nav { display: none; }
  .hero-content { grid-template-columns: 1fr; gap: 2rem; padding-top: 4rem; }
  .hero-image-block img { height: 240px; }
  .hero-stats { flex-direction: column; gap: 1.5rem; padding: 2rem 2rem 3rem; }
  .stat { padding: 0; border-bottom: 1px solid var(--border); padding-bottom: 1.5rem; }
  .stat:last-child { border-bottom: none; }
  .stat-divider { display: none; }
  .systems-grid { grid-template-columns: 1fr; }
  .proof-content { grid-template-columns: 1fr; gap: 2.5rem; }
  .proof-image { order: -1; }
  .pilot-steps { grid-template-columns: 1fr; }
  .pilot-step { border-right: none; border-bottom: 1px solid var(--border); }
  .pilot-step:last-child { border-bottom: none; }
  .closing-stats { flex-direction: column; gap: 2rem; }
  .footer-inner { flex-direction: column; }
  .footer-links { flex-direction: column; gap: 2rem; }
  .pilot-heading { font-size: 2.5rem; }
  .pilot-steps { gap: 0; }
  .calc-body { grid-template-columns: 1fr; gap: 2.5rem; }
  .calc-results-grid { grid-template-columns: 1fr; }
  .calc-email-fields { flex-direction: column; }
  .calc-payback-row { flex-direction: column; }
  .calc-payback-item:first-child { border-right: none; border-bottom: 1px solid var(--border); }
}