:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-alt: #e8eef4;
  --text: #0c2340;
  --muted: #4a5f7a;
  --accent: #e87500;
  --accent-hover: #cf6600;
  --border: #c5d0dc;
  --max: 1080px;
  --radius: 6px;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: #0c5da8;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--text);
  border-bottom: 3px solid var(--accent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  flex-wrap: wrap;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 1.125rem;
  line-height: 1;
  text-decoration: none;
}

.logo-dtm {
  font-weight: 800;
  color: #0c5da8;
  letter-spacing: 0.02em;
}

.logo-rule {
  flex-shrink: 0;
  width: 2px;
  height: 1.35em;
  background: var(--accent);
}

.logo-name {
  font-weight: 400;
  color: #fff;
  letter-spacing: 0.03em;
}

.logo:hover {
  text-decoration: none;
}

.logo:hover .logo-dtm {
  color: var(--accent);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

nav a {
  color: #b8c9db;
  font-size: 0.95rem;
}

nav a:hover {
  color: #fff;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  background: var(--accent);
  color: #fff !important;
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none !important;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.btn:hover {
  background: var(--accent-hover);
}

.btn-outline {
  background: transparent;
  color: #fff !important;
  border: 2px solid #fff;
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent) !important;
  background: transparent;
}

.btn-small {
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
}

.hero {
  padding: 4rem 0 3rem;
  background: var(--text);
  color: #fff;
}

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

.hero h1 {
  color: #fff;
}

.hero .lead {
  color: #b8c9db;
}

.hero .btn-outline {
  color: #fff !important;
  border-color: #b8c9db;
}

.eyebrow {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 0.75rem;
}

.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.45rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  max-width: 22ch;
}

.lead {
  font-size: 1.1rem;
  max-width: 42rem;
  margin: 0 0 1.5rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.problems {
  padding: 2.5rem 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.problems-grid h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  color: var(--text);
}

.problems-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  padding: 3.5rem 0;
}

.section-alt {
  background: var(--surface-alt);
}

.section h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  color: var(--text);
}

.section-intro {
  color: var(--muted);
  max-width: 40rem;
  margin: 0 0 1.5rem;
}

.card {
  background: var(--surface);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(12, 35, 64, 0.08);
}

.card h3 {
  margin: 0 0 0.75rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.service-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.25rem;
}

.service-list li {
  display: grid;
  gap: 0.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.service-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.service-list strong {
  font-size: 1.05rem;
  color: var(--text);
}

.service-list span {
  color: var(--muted);
}

.pilot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.pilot-grid > div {
  background: var(--surface);
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.pilot-grid .label {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.pilot-grid .value {
  margin: 0.25rem 0 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

.footnote {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 1.5rem;
}

.steps {
  padding-left: 1.25rem;
  margin: 0 0 1.5rem;
}

.steps li {
  margin-bottom: 0.75rem;
  color: var(--muted);
}

.steps strong {
  color: var(--text);
}

.principles {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
  font-weight: 600;
}

.bullets {
  padding-left: 1.25rem;
  color: var(--muted);
}

.bullets li {
  margin-bottom: 0.5rem;
}

.founder {
  margin-top: 1.5rem;
  color: var(--muted);
}

.section-contact {
  background: var(--text);
  color: #fff;
}

.section-contact h2,
.section-contact p,
.section-contact label {
  color: #fff;
}

.section-contact .contact-direct {
  color: #b8c9db;
}

.section-contact a {
  color: var(--accent);
}

.contact-form {
  display: grid;
  gap: 1rem;
  max-width: 28rem;
  margin: 1.5rem 0;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.contact-form input,
.contact-form textarea {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--text);
  font: inherit;
}

.contact-direct {
  font-size: 0.95rem;
}

.site-footer {
  padding: 2rem 0;
  background: #081a30;
  color: #b8c9db;
  font-size: 0.9rem;
}

.footer-links a {
  color: #b8c9db;
}

.copyright {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
}

.preview-bar {
  background: #fbbf24;
  color: #1e293b;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.preview-bar a {
  color: #1e293b;
  font-weight: 600;
  text-decoration: none;
}

.preview-bar a:hover {
  text-decoration: underline;
}

@media (max-width: 640px) {
  nav {
    width: 100%;
  }
}