:root {
  --navy: #202868;
  --cyan: #0090d8;
  --link: #006fa8;
  --orange: #e07810;
  --orange-press: #c56a0e;
  --steel: #5c6770;
  --surface: #f4f6f8;
  --white: #ffffff;
  --black: #111111;
  --line: #d5dbe3;
  --focus: #0090d8;
  --max: 1120px;
  --font: "Source Sans 3", "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--black);
  background: var(--white);
  font-size: 1.0625rem;
  line-height: 1.6;
}

img { max-width: 100%; height: auto; }

a { color: var(--link); }
a:hover { color: var(--navy); }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--white);
  color: var(--navy);
  padding: 0.5rem 0.8rem;
  z-index: 20;
}
.skip:focus { top: 0.5rem; }

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

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

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  position: relative;
}

.logo-chip {
  display: inline-flex;
  background: var(--white);
  border-radius: 10px;
  padding: 0.35rem 0.45rem;
  line-height: 0;
}
.logo-chip img { width: 120px; height: auto; display: block; }

.nav-toggle {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
  border-radius: 6px;
  min-height: 44px;
  min-width: 44px;
  padding: 0.4rem 0.8rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.site-nav {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: var(--navy);
  padding: 0.5rem 1rem 1rem;
  flex-direction: column;
  gap: 0.25rem;
}
.site-nav.is-open { display: flex; }
.site-nav a {
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  padding: 0.65rem 0.2rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.site-nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--cyan); }
.site-nav .btn { justify-content: center; margin-top: 0.4rem; width: 100%; color: var(--black); }
.site-nav .btn-primary,
.site-nav .btn-primary:hover { color: var(--black); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 48px;
  padding: 0.7rem 1.15rem;
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
}
.btn-primary {
  background: var(--orange);
  color: var(--black);
  border-color: var(--orange);
}
.btn-primary:hover { background: var(--orange-press); border-color: var(--orange-press); color: var(--black); }
.btn-secondary {
  background: var(--white);
  color: var(--navy);
  border-color: var(--navy);
}
.btn-secondary:hover { background: var(--surface); color: var(--navy); }
.btn-on-navy {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-on-navy:hover { background: var(--white); color: var(--navy); }

.hero { background: var(--surface); padding: 2.5rem 0 2rem; }
.hero-grid {
  display: grid;
  gap: 1.5rem;
}
.kicker {
  margin: 0 0 0.4rem;
  color: var(--link);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.86rem;
}
h1, h2, h3 { color: var(--navy); line-height: 1.2; }
h1 { font-size: clamp(2rem, 4.4vw, 3.15rem); margin: 0 0 0.8rem; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 2.4vw, 2rem); margin: 0 0 0.7rem; }
h3 { font-size: 1.25rem; margin: 0 0 0.4rem; }
.lede { font-size: 1.15rem; color: var(--steel); margin: 0 0 1.25rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 1.25rem; }
.trust-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.9rem;
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--navy);
  font-weight: 600;
}
.trust-line li { display: flex; align-items: center; gap: 0.4rem; }
.trust-line li::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  background: var(--orange);
  border-radius: 2px;
}

.checklist {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--cyan);
  border-radius: 12px;
  padding: 1.1rem 1.2rem 1.2rem;
}
.checklist ol { margin: 0.4rem 0 0; padding-left: 1.2rem; }
.checklist a { font-weight: 700; }

.section { padding: 2.4rem 0; }
.section-alt { background: var(--surface); }
.section-head { max-width: 42rem; margin-bottom: 1.3rem; }
.section-head p { color: var(--steel); margin: 0; }

.cards, .why, .steps {
  display: grid;
  gap: 1rem;
}
.card, .why article, .step {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem 1rem 1.1rem;
}
.section-alt .card, .section-alt .why article { background: var(--white); }
.tile {
  background: var(--surface);
  border-radius: 8px;
  min-height: 7.5rem;
  padding: 0.9rem 1rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  margin-bottom: 0.85rem;
  border-bottom: 3px solid var(--cyan);
}
.tile span { color: var(--steel); font-size: 0.82rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.tile strong { color: var(--navy); font-size: 1.2rem; }
.card p, .why p, .step p { margin: 0.3rem 0 0.8rem; color: var(--steel); }
.card .text-link, .text-link { font-weight: 700; }

.steps { counter-reset: step; }
.step { position: relative; padding-top: 1rem; }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--navy);
  color: var(--white);
  font-weight: 700;
  margin-bottom: 0.55rem;
}

.gallery {
  display: grid;
  gap: 1rem;
}
.gallery figure {
  margin: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.gallery img { display: block; width: 100%; height: auto; }
.gallery figcaption {
  padding: 0.75rem 0.95rem 0.95rem;
  color: var(--steel);
  font-size: 0.95rem;
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  color: var(--steel);
  font-size: 0.95rem;
  margin-bottom: 0.8rem;
}
.crumbs a { color: var(--link); }

.prose { max-width: 44rem; }
.prose p { margin: 0 0 1rem; }

.spec {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  margin: 1rem 0 1.4rem;
}
.spec th, .spec td {
  text-align: left;
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.spec th {
  width: 38%;
  color: var(--navy);
  font-weight: 700;
  background: var(--surface);
}

.fitment {
  background: var(--surface);
  border-left: 4px solid var(--orange);
  border-radius: 0 12px 12px 0;
  padding: 1rem 1.1rem;
  margin: 1.2rem 0;
}
.fitment h2 { font-size: 1.25rem; }
.disclaimer { font-weight: 700; color: var(--navy); }

.cta-band {
  background: var(--navy);
  color: var(--white);
  border-radius: 12px;
  padding: 1.2rem 1.2rem 1.3rem;
  margin-top: 1.4rem;
}
.cta-band h2, .cta-band p { color: var(--white); }
.cta-band a { color: var(--white); }

.related { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; padding: 0; list-style: none; }
.related a { font-weight: 700; }

.catalog { display: grid; gap: 1rem; }
.catalog section {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem 1.1rem 1.15rem;
}
.catalog ul { margin: 0.4rem 0 0; padding-left: 1.1rem; }
.catalog li { margin: 0.25rem 0; }

.contact-grid { display: grid; gap: 1.4rem; }
.contact-card {
  background: var(--surface);
  border-radius: 12px;
  padding: 1rem 1.1rem;
}
.contact-card p { margin: 0.35rem 0; }
.contact-card a { font-weight: 700; }

.form-grid { display: grid; gap: 0.9rem; }
.field { display: flex; flex-direction: column; gap: 0.3rem; }
.field label { font-weight: 700; color: var(--navy); }
.field input, .field select, .field textarea {
  font: inherit;
  color: var(--black);
  background: var(--white);
  border: 1px solid #b7c0ca;
  border-radius: 6px;
  padding: 0.7rem 0.75rem;
  min-height: 48px;
  width: 100%;
}
.field textarea { min-height: 8rem; resize: vertical; }
.req { color: var(--orange-press); }
.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form-note { color: var(--steel); font-size: 0.95rem; }
.banner {
  border-radius: 8px;
  padding: 0.85rem 1rem;
  margin: 0 0 1rem;
}
.banner-error { background: #fff4ec; border: 1px solid var(--orange); }
.banner-ok { background: #eef6ec; border: 1px solid #2f6f3e; }
.mail-preview {
  white-space: pre-wrap;
  background: var(--surface);
  padding: 0.8rem;
  border-radius: 8px;
  font-family: ui-monospace, monospace;
  font-size: 0.92rem;
}

.site-footer {
  background: var(--navy);
  color: #e6eaf0;
  padding: 2rem 0 1.2rem;
  margin-top: 0;
}
.footer-brand { margin-bottom: 1.2rem; }
.footer-grid {
  display: grid;
  gap: 1.2rem;
}
.site-footer h2 {
  color: var(--white);
  font-size: 1rem;
  margin: 0 0 0.45rem;
}
.site-footer a { color: var(--white); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 0.28rem 0; }
.footer-meta {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  margin-top: 1.3rem;
  padding-top: 1rem;
  font-size: 0.95rem;
}
.footer-meta p { margin: 0.35rem 0; }
.social { display: flex; flex-wrap: wrap; gap: 0.8rem; }

@media (min-width: 720px) {
  .logo-chip img { width: 148px; }
  .hero-grid { grid-template-columns: 1.3fr 0.8fr; align-items: center; }
  .cards, .why { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .catalog { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1.4fr 0.8fr; align-items: start; }
  .form-grid.two { grid-template-columns: 1fr 1fr; }
  .form-grid .wide { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
}

@media (min-width: 960px) {
  .nav-toggle { display: none; }
  .site-nav {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 0.35rem 1rem;
    padding: 0;
    background: transparent;
  }
  .site-nav .btn { margin-top: 0; width: auto; color: var(--black); }
  .cards.six { grid-template-columns: 1fr 1fr 1fr; }
  .why { grid-template-columns: 1fr 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}