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

:root {
  /* Palette */
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-alt: #f4f6f9;
  --text: #0d1117;
  --text-muted: #4d5563;
  --text-dim: #7b8594;
  --border: #e9ecef;
  --navy: #0a1628;
  --navy-mid: #16294a;
  --navy-light: #2d4a7b;
  --accent: #e8a852;
  --accent-dark: #c48e3f;
  --success: #1a7f50;
  --shadow-sm: 0 1px 2px rgba(10, 22, 40, 0.04), 0 1px 3px rgba(10, 22, 40, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(10, 22, 40, 0.06), 0 10px 24px -4px rgba(10, 22, 40, 0.08);
  --shadow-lg: 0 20px 48px -12px rgba(10, 22, 40, 0.18);

  /* Fluid spacing */
  --space-xs: clamp(0.5rem, 0.5rem + 0.1vw, 0.625rem);
  --space-sm: clamp(0.75rem, 0.75rem + 0.2vw, 1rem);
  --space-md: clamp(1rem, 1rem + 0.4vw, 1.5rem);
  --space-lg: clamp(1.5rem, 1.5rem + 0.8vw, 2.5rem);
  --space-xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
  --space-2xl: clamp(3.5rem, 2.5rem + 4vw, 6rem);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI Variable', 'Segoe UI', system-ui, sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI Variable', system-ui, sans-serif;
  --font-mono: 'SF Mono', ui-monospace, 'JetBrains Mono', Monaco, Consolas, monospace;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-sans);
  font-feature-settings: 'cv11', 'ss01', 'kern', 'liga';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.6;
}

/* Fluid type scale */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text);
  font-weight: 650;
}
h1 { font-size: clamp(2.25rem, 1.6rem + 3.2vw, 4rem); letter-spacing: -0.035em; line-height: 1.05; }
h2 { font-size: clamp(1.75rem, 1.3rem + 2vw, 2.75rem); letter-spacing: -0.028em; }
h3 { font-size: clamp(1.125rem, 1rem + 0.6vw, 1.375rem); font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; }
p { color: var(--text-muted); max-width: 65ch; }
p + p { margin-top: 1rem; }
a { color: var(--navy-mid); text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--navy); }
code { font-family: var(--font-mono); font-size: 0.875em; letter-spacing: -0.01em; }

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 1rem + 1vw, 2rem);
}
section {
  padding: var(--space-2xl) 0;
  position: relative;
}
section.alt { background: var(--surface-alt); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  padding: 0.75rem 1.375rem;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--navy);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--navy-mid); color: #fff; box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-accent {
  background: var(--accent);
  color: var(--navy);
  box-shadow: var(--shadow-sm);
}
.btn-accent:hover { background: var(--accent-dark); color: var(--navy); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--surface); border-color: var(--text-dim); }
.btn-ghost-dark {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px);
}
.btn-ghost-dark:hover { background: rgba(255, 255, 255, 0.15); color: #fff; border-color: rgba(255, 255, 255, 0.35); }
.btn-lg { padding: 0.9375rem 1.75rem; font-size: 1rem; border-radius: 12px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 250, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
/*
 * Logo sizing rule (do not shrink without re-exporting the PNG):
 * The cintra-logo.png has significant transparent padding around the artwork.
 * Container height ~30-40% larger than the visible-graphic target.
 * If the logo looks too small, INCREASE these heights — do not decrease them.
 * The proper long-term fix is to re-export the logo with tight bounds,
 * at which point these can safely drop to ~48px (header) / ~56px (footer).
 */
.brand-logo {
  height: 48px;
  width: auto;
  max-width: 100%;
  display: block;
  object-fit: contain;
}
.brand-logo-footer {
  height: 56px;
  width: auto;
  max-width: 100%;
  display: block;
  object-fit: contain;
}
@media (max-width: 768px) {
  .brand-logo { height: 40px; }
  .brand-logo-footer { height: 48px; }
}
.site-header nav {
  display: flex;
  gap: clamp(1rem, 0.5rem + 1vw, 2rem);
  align-items: center;
}
.site-header nav a {
  color: var(--text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: color 0.15s ease;
}
.site-header nav a:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #f4f6f9 100%);
  border-bottom: 1px solid var(--border);
}
.hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 60%;
  height: 140%;
  background: radial-gradient(ellipse at center, rgba(232, 168, 82, 0.08) 0%, rgba(232, 168, 82, 0) 60%);
  pointer-events: none;
  z-index: 0;
}
.hero .container { position: relative; z-index: 1; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy-mid);
  background: rgba(232, 168, 82, 0.12);
  padding: 0.375rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}
.hero-eyebrow .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}
.hero h1 {
  max-width: 18ch;
  margin-bottom: 1.25rem;
}
.hero .tagline {
  font-size: clamp(1.0625rem, 1rem + 0.5vw, 1.25rem);
  color: var(--text-muted);
  max-width: 42rem;
  margin-bottom: 2rem;
  line-height: 1.55;
}
.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Facts strip */
.facts {
  background: var(--navy);
  color: #fff;
  padding: var(--space-lg) 0;
  position: relative;
}
.facts::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%);
  opacity: 0.4;
}
.facts .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}
.fact {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}
.fact-label {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.75rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  font-weight: 600;
}
.fact-value {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: #fff;
  letter-spacing: -0.01em;
}

/* Section header */
.section-header {
  margin-bottom: var(--space-xl);
  max-width: 52rem;
}
.section-eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 1rem;
  display: block;
}
.section-header h2 { margin-bottom: 1rem; }
.section-header p { font-size: 1.0625rem; }

/* Capabilities grid */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: clamp(1rem, 0.75rem + 1vw, 1.5rem);
}
.cap-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: var(--space-lg);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}
.cap-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(45, 74, 123, 0.25);
}
.cap-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, rgba(45, 74, 123, 0.08) 0%, rgba(232, 168, 82, 0.12) 100%);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--navy-mid);
}
.cap-icon svg { width: 22px; height: 22px; }
.cap-card h3 { margin: 0; }
.cap-codes {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}
.cap-card p { font-size: 0.9375rem; margin: 0; }

/* Who we serve */
.serve-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: clamp(1rem, 0.75rem + 1vw, 1.5rem);
}
.serve-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}
.serve-card .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dark);
  background: rgba(232, 168, 82, 0.1);
  padding: 0.25rem 0.625rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}
.serve-card h3 { margin-bottom: 0.75rem; }
.serve-card ul { list-style: none; padding: 0; margin-top: 1rem; }
.serve-card li {
  font-size: 0.9375rem;
  color: var(--text-muted);
  padding: 0.5rem 0;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
.serve-card li:first-child { border-top: 0; }
.serve-card li::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 0.625rem;
  flex-shrink: 0;
}

/* Certifications */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
  gap: 0.875rem;
}
.cert {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1rem;
  text-align: center;
  transition: transform 0.15s ease, border-color 0.15s ease;
  position: relative;
}
.cert:hover { transform: translateY(-2px); border-color: var(--text-dim); }
.cert.active { border-color: var(--success); background: linear-gradient(180deg, rgba(26, 127, 80, 0.03) 0%, var(--surface) 100%); }
.cert.pending { border-style: dashed; }
.cert-name {
  display: block;
  font-size: 1rem;
  font-weight: 650;
  color: var(--text);
  letter-spacing: -0.015em;
  margin-bottom: 0.375rem;
}
.cert-status {
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--text-dim);
}
.cert.active .cert-status { color: var(--success); }

/* Company info */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: var(--space-lg);
}
.info-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.5rem 0;
}
.info-label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
}
.info-value {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text);
  letter-spacing: -0.01em;
  word-break: break-word;
}

/* RFQ form */
.rfq-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-xl);
  align-items: start;
}
@media (max-width: 840px) { .rfq-layout { grid-template-columns: 1fr; } }
.rfq-copy h2 { margin-bottom: 1rem; }
.rfq-copy ul { list-style: none; padding: 0; margin-top: 1.5rem; }
.rfq-copy li {
  font-size: 0.9375rem;
  color: var(--text-muted);
  padding: 0.625rem 0;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 0.75rem;
}
.rfq-copy li:first-child { border-top: 0; }
.rfq-copy li svg { flex-shrink: 0; color: var(--success); margin-top: 0.1875rem; }
.rfq-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}
.form-row { margin-bottom: 1rem; }
.form-row.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 520px) { .form-row.two-col { grid-template-columns: 1fr; } }
.form-row label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.375rem;
  letter-spacing: -0.005em;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.6875rem 0.875rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--navy-mid);
  background: var(--surface);
  box-shadow: 0 0 0 4px rgba(45, 74, 123, 0.12);
}
.form-row textarea { min-height: 120px; resize: vertical; }
.form-help {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.375rem;
}

/* Footer */
.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.6);
  padding: var(--space-xl) 0 var(--space-lg);
  font-size: 0.875rem;
}
.site-footer .container {
  display: grid;
  grid-template-columns: minmax(300px, 1.6fr) repeat(3, minmax(160px, 1fr));
  gap: var(--space-lg);
}
@media (max-width: 900px) {
  .site-footer .container {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .site-footer .container {
    grid-template-columns: 1fr;
  }
}
.site-footer a { color: rgba(255, 255, 255, 0.85); }
.site-footer a:hover { color: #fff; }
.site-footer h4 {
  color: #fff;
  font-size: 0.875rem;
  margin-bottom: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 0.5rem; }
.site-footer .footer-bottom {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.45);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Thanks page */
.thanks-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
}
.thanks-page .check {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, var(--success), #0d6142);
  color: #fff;
  border-radius: 50%;
  font-size: 2rem;
  line-height: 72px;
  margin: 0 auto 1.5rem;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}
.thanks-page h1 { font-size: clamp(1.75rem, 1.5rem + 1vw, 2.25rem); margin-bottom: 1rem; }
.thanks-page p { max-width: 32rem; margin: 0 auto 1.5rem; }

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}

/* Responsive refinements */
@media (max-width: 640px) {
  .site-header nav { display: none; }
  .hero h1 { max-width: 100%; }
  .hero-actions .btn { flex: 1; justify-content: center; }
}

/* Print styles — for /capabilities one-pager */
@media print {
  :root { --bg: #fff; --surface: #fff; }
  .no-print { display: none !important; }
  body { background: #fff; color: #000; font-size: 10.5pt; }
  section { padding: 12pt 0; page-break-inside: avoid; }
  .hero { background: none; padding: 16pt 0 8pt; }
  .hero::before { display: none; }
  .hero h1 { font-size: 22pt; color: #000; }
  .hero .tagline { font-size: 11pt; }
  .facts { background: #0a1628; -webkit-print-color-adjust: exact; print-color-adjust: exact; padding: 10pt 0; }
  .container { max-width: 100%; padding: 0 0.5in; }
  .cap-card, .serve-card, .cert, .info-grid { border: 0.75pt solid #ccc; box-shadow: none; }
  h2 { font-size: 14pt; margin-top: 12pt; }
  h3 { font-size: 11pt; }
  .site-footer { background: none; color: #000; padding: 8pt 0; font-size: 9pt; }
  a { color: #000; text-decoration: none; }
}