:root {
  --bg: #0D1117;
  --surface: #161B22;
  --surface-alt: #1C2128;
  --border: #2A3441;
  --fg: #E6EDF3;
  --fg-muted: #8B949E;
  --accent: #F5A623;
  --accent-dim: rgba(245, 166, 35, 0.12);
  --font-head: 'Syne', sans-serif;
  --font-body: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-w: 1100px;
  --section-pad: 100px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

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

/* ── Navigation ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-brand {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: -0.01em;
}
.nav-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ── Shared Section ── */
.section-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 32px; }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.section-headline {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 40px;
}
.section-body {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 680px;
  line-height: 1.75;
  margin-bottom: 64px;
}

/* ── Hero ── */
.hero {
  position: relative;
  padding: 100px 0 80px;
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245,166,35,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,166,35,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 40%, transparent 100%);
}
.hero-inner {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: start;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
}
.hero-lede {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: 32px;
}
.hero-ctas {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--accent);
  color: #0D1117;
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: 4px;
  border: 1.5px solid var(--accent);
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  box-shadow: 0 0 0 0 rgba(245, 166, 35, 0);
}
.btn-primary:hover {
  background: #e8971a;
  border-color: #e8971a;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(245, 166, 35, 0.3);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 13px 28px;
  background: transparent;
  color: var(--fg);
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: 4px;
  border: 1.5px solid var(--border);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
}
.btn-secondary:hover {
  border-color: var(--fg-muted);
  color: var(--fg);
  transform: translateY(-1px);
}
.btn-secondary:active {
  transform: translateY(0);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 20px;
  background: transparent;
  color: var(--accent);
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: 4px;
  border: 1px solid rgba(245, 166, 35, 0.2);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}
.btn-ghost:hover {
  border-color: rgba(245, 166, 35, 0.5);
  background: rgba(245, 166, 35, 0.06);
  transform: translateY(-1px);
}
.btn-ghost svg { opacity: 0.8; flex-shrink: 0; }
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}
.stat { padding: 0 28px; }
.stat:first-child { padding-left: 0; }
.stat-value {
  display: block;
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--fg-muted);
  margin-top: 6px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}
.hero-credential {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 20px;
  padding-top: 12px;
}
.credential-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  border: 1.5px solid var(--accent);
  border-radius: 4px;
  background: var(--accent-dim);
}
.credential-top {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.credential-sub {
  font-size: 0.6rem;
  color: var(--fg-muted);
  text-align: center;
  margin-top: 4px;
  line-height: 1.3;
  padding: 0 6px;
}
.credential-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--fg-muted);
}
.dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}

/* ── Capabilities ── */
.capabilities { padding: var(--section-pad) 0; }
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 40px;
}
.cap-card {
  background: var(--surface);
  padding: 32px;
  transition: background 0.2s;
}
.cap-card:hover { background: var(--surface-alt); }
.cap-icon { margin-bottom: 16px; }
.cap-name {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
}
.cap-desc { font-size: 0.88rem; color: var(--fg-muted); line-height: 1.65; }
.cap-tolerance { display: flex; }
.tol-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: var(--accent-dim);
  border: 1px solid rgba(245,166,35,0.3);
  border-radius: 4px;
}
.tol-value {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
}
.tol-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ── Network ── */
.network { padding: var(--section-pad) 0; border-top: 1px solid var(--border); }
.network-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.pillar-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.pillar-title {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
}
.pillar-text { font-size: 0.9rem; color: var(--fg-muted); line-height: 1.7; }

/* ── Process ── */
.process { padding: var(--section-pad) 0; border-top: 1px solid var(--border); }
.process-steps { position: relative; }
.step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 24px;
  padding-bottom: 48px;
}
.step:last-child { padding-bottom: 0; }
.step-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
}
.step-line {
  flex: 1;
  width: 1px;
  background: var(--border);
  margin-top: 8px;
  min-height: 40px;
}
.step-title {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
}
.step-desc { font-size: 0.95rem; color: var(--fg-muted); line-height: 1.7; margin-bottom: 16px; }
.step-formats { display: flex; gap: 8px; flex-wrap: wrap; }
.fmt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 4px 10px;
  background: var(--surface);
}
.process-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
  padding: 14px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ── Differentiation Table ── */
.diff { padding: var(--section-pad) 0; border-top: 1px solid var(--border); }
.diff-table {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.diff-row {
  display: grid;
  grid-template-columns: 220px 1fr 1fr;
  border-bottom: 1px solid var(--border);
}
.diff-row:last-child { border-bottom: none; }
.diff-col {
  padding: 20px 24px;
  font-size: 0.9rem;
  line-height: 1.5;
}
.diff-col-factor {
  font-family: var(--font-head);
  font-weight: 600;
  color: var(--fg);
  font-size: 0.85rem;
}
.diff-col-market { color: var(--fg-muted); }
.diff-col-rp {
  color: var(--fg);
  background: rgba(245,166,35,0.04);
}
.diff-header .diff-col {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.diff-row .diff-col-factor { border-right: 1px solid var(--border); }
.diff-row .diff-col-market { border-right: 1px solid var(--border); }

/* ── Industries ── */
.industries { padding: var(--section-pad) 0; border-top: 1px solid var(--border); }
.ind-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.ind-card {
  background: var(--surface);
  padding: 32px;
}
.ind-name {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
}
.ind-desc { font-size: 0.88rem; color: var(--fg-muted); line-height: 1.65; }

/* ── Closing ── */
.closing { padding: var(--section-pad) 0; border-top: 1px solid var(--border); }
.closing-headline {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 28px;
}
.closing-body {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 660px;
  line-height: 1.8;
  margin-bottom: 56px;
}
.closing-credentials {
  display: flex;
  align-items: center;
  gap: 0;
}
.cred { padding: 0 40px; }
.cred:first-child { padding-left: 0; }
.cred-label {
  display: block;
  font-size: 0.75rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.cred-value {
  display: block;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--fg);
}
.cred-sep {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.footer-brand { display: flex; flex-direction: column; gap: 2px; }
.footer-name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent);
}
.footer-sub { font-size: 0.75rem; color: var(--fg-muted); }
.footer-contact {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-left: auto;
}
.footer-sep { color: var(--border); }
.footer-copy {
  width: 100%;
  font-size: 0.78rem;
  color: var(--fg-muted);
  border-top: 1px solid var(--border);
  padding-top: 24px;
  margin-top: 8px;
}

/* ── Contact Form ── */
.contact-section { padding: 80px 0 var(--section-pad); }
.contact-headline {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 16px;
}
.contact-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  margin-bottom: 48px;
  max-width: 500px;
}
.contact-form { max-width: 680px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-group:last-child { margin-bottom: 0; }
.form-group label {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: 0.02em;
}
.form-group input,
.form-group textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 16px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--fg-muted); }
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245,166,35,0.12);
}
.contact-submit {
  margin-top: 8px;
  width: 100%;
  justify-content: center;
}
.form-privacy {
  font-size: 0.78rem;
  color: var(--fg-muted);
  text-align: center;
  margin-top: 16px;
}
.form-success,
.form-error {
  max-width: 500px;
  padding: 24px 28px;
  border-radius: 6px;
  border: 1px solid;
}
.form-success {
  background: rgba(63,185,80,0.08);
  border-color: rgba(63,185,80,0.3);
}
.success-title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: #3fb950;
  margin-bottom: 8px;
}
.success-body { font-size: 0.95rem; color: var(--fg-muted); line-height: 1.6; }
.form-error {
  background: rgba(248,81,73,0.08);
  border-color: rgba(248,81,73,0.3);
  font-size: 0.95rem;
  color: var(--fg-muted);
}
.form-error a { color: var(--accent); }

/* ── Partnership Form ── */
.partnership-section {
  padding: var(--section-pad) 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.partnership-header { margin-bottom: 56px; }
.partnership-form-wrap { max-width: 720px; }
.partnership-form { max-width: 100%; }
.form-group select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 16px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238B949E' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245,166,35,0.12);
}
.form-group select option { background: var(--surface); color: var(--fg); }
.partnership-submit { margin-top: 8px; }

@media (max-width: 480px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-credential { align-items: flex-start; flex-direction: row; }
  .cap-grid { grid-template-columns: 1fr 1fr; }
  .network-pillars { grid-template-columns: 1fr; gap: 32px; }
  .ind-grid { grid-template-columns: 1fr 1fr; }
  .diff-row { grid-template-columns: 1fr; }
  .diff-row .diff-col-factor { border-right: none; border-bottom: 1px solid var(--border); }
  .diff-row .diff-col-market { border-right: none; border-bottom: 1px solid var(--border); }
  .closing-credentials { flex-direction: column; align-items: flex-start; gap: 20px; }
  .cred-sep { display: none; }
  .footer-contact { margin-left: 0; }
  .stat { padding: 0 16px; }
}
@media (max-width: 480px) {
  .cap-grid { grid-template-columns: 1fr; }
  .ind-grid { grid-template-columns: 1fr; }
  .section-inner, .hero-inner, .footer-inner { padding: 0 20px; }
  .section-headline { font-size: 1.8rem; }
  .hero-headline { font-size: 2.4rem; }
}