:root {
  --ink: #18222e;
  --muted: #5a6573;
  --line: #e1e5ea;
  --bg: #ffffff;
  --soft: #f3f5f8;
  --navy: #1d2b3a;
  --navy-ink: #ffffff;
  --blue: #5c7a99;
  --max: 1240px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* header */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand img { width: 128px; }
.brand b { font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--blue); }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 20px; font-size: 15px; }
.nav a { color: var(--ink); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--blue); font-weight: 600; }
.nav .quote { background: var(--navy); color: var(--navy-ink); padding: 8px 16px; border-radius: 999px; font-weight: 600; }
.contact-strip { background: var(--soft); font-size: 14px; color: var(--muted); }
.contact-strip .wrap { display: flex; flex-wrap: wrap; gap: 4px 20px; padding-top: 6px; padding-bottom: 6px; }
.contact-strip a { color: var(--ink); text-decoration: none; }

/* hero */
.hero { position: relative; min-height: 520px; display: flex; align-items: center; color: var(--ink); }
.hero > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero .card { position: relative; background: rgba(255, 255, 255, .94); max-width: 560px; padding: 30px 32px; margin: 40px 0; border-radius: 4px; box-shadow: 0 10px 30px rgba(24, 34, 46, .12); }
.kicker { font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--blue); font-weight: 600; margin: 0 0 8px; }
.hero h1 { font-size: clamp(30px, 3.3vw, 42px); line-height: 1.15; margin: 0 0 12px; }
.hero p { margin: 0 0 18px; color: var(--muted); font-size: 17px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-block; padding: 11px 22px; border-radius: 999px; font-weight: 600; text-decoration: none; border: 1.5px solid var(--navy); }
.btn-dark { background: var(--navy); color: var(--navy-ink); }
.btn-line { color: var(--navy); }

/* highlights */
.highlights { background: var(--navy); color: var(--navy-ink); }
.highlights .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.highlights div { padding: 18px 16px; border-left: 1px solid rgba(255, 255, 255, .15); }
.highlights div:first-child { border-left: 0; }
.highlights strong { display: block; font-size: 24px; line-height: 1.15; }
.highlights span { font-size: 14px; opacity: .82; }

/* sections */
section { padding: 44px 0; }
.alt { background: var(--soft); }
h2 { font-size: clamp(24px, 2.4vw, 32px); line-height: 1.2; margin: 0 0 8px; }
h3 { font-size: 18px; margin: 0 0 6px; }
.intro { color: var(--muted); max-width: 780px; margin: 0 0 20px; }
.row-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 8px 20px; }

.tone-title { display: flex; align-items: baseline; gap: 10px; margin: 26px 0 12px; }
.tone-title h3 { font-size: 20px; margin: 0; }
.tone-title span { color: var(--muted); font-size: 14px; }
.swatches { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.swatch { text-decoration: none; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.swatch img { aspect-ratio: 1 / 1; object-fit: cover; width: 100%; background: var(--soft); border-bottom: 1px solid var(--line); }
.swatch div { padding: 8px 10px 10px; font-size: 14px; }
.swatch strong { display: block; font-size: 15px; }
.swatch small { color: var(--muted); }

.cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.tile { background: var(--bg); border: 1px solid var(--line); border-radius: 4px; padding: 18px; }
.tile p { margin: 0; color: var(--muted); }
.tile .icon { width: 34px; height: 34px; border-radius: 50%; background: var(--soft); color: var(--navy); display: grid; place-items: center; font-weight: 700; margin-bottom: 8px; }

.media-text { display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; align-items: center; }
.media-text img { border-radius: 4px; }
.ticks { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 6px; }
.ticks li { padding-left: 24px; position: relative; }
.ticks li::before { content: ""; position: absolute; left: 4px; top: .6em; width: 9px; height: 9px; border-radius: 50%; background: var(--blue); }

.compare { width: 100%; border-collapse: collapse; background: var(--bg); font-size: 15px; }
.compare th, .compare td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.compare thead th { background: var(--navy); color: var(--navy-ink); }
.compare tbody th { background: var(--soft); width: 22%; }

.faq details { border-bottom: 1px solid var(--line); padding: 12px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 17px; }
.faq details p { color: var(--muted); margin: 8px 0 0; }

.cta { background: var(--navy); color: var(--navy-ink); }
.cta .wrap { display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: center; padding-top: 30px; padding-bottom: 30px; }
.cta h2 { margin: 0; }
.cta p { margin: 4px 0 0; opacity: .85; }
.cta .btn { background: var(--navy-ink); color: var(--navy); border-color: var(--navy-ink); }

/* inner pages */
.page-title { background: var(--soft); border-bottom: 1px solid var(--line); padding: 28px 0 24px; }
.page-title h1 { font-size: clamp(28px, 3vw, 38px); line-height: 1.2; margin: 4px 0 8px; }
.page-title p { color: var(--muted); max-width: 840px; margin: 0; }
.trail { font-size: 14px; color: var(--muted); margin: 0; }
.trail a { color: var(--muted); }
.jump { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.jump a { display: inline-block; padding: 6px 14px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; color: var(--ink); font-size: 14px; background: var(--bg); }

.product { display: grid; grid-template-columns: 320px 1fr; gap: 20px; border: 1px solid var(--line); border-radius: 4px; padding: 14px; margin-bottom: 12px; background: var(--bg); scroll-margin-top: 20px; }
.product img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 3px; border: 1px solid var(--line); background: var(--soft); }
.product h3 { font-size: 20px; margin: 2px 0 6px; }
.product p { margin: 0 0 8px; color: var(--muted); }
.facts { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 14px; margin: 0 0 8px; padding: 0; list-style: none; }
.facts li { background: var(--soft); padding: 3px 10px; border-radius: 999px; }

.prose { max-width: 880px; }
.prose h2 { margin-top: 32px; }
.prose p, .prose li { color: #34404d; }
.panel { background: var(--soft); border-radius: 4px; padding: 18px; }
.panel p { margin: 0; color: var(--muted); }

.details { list-style: none; padding: 0; margin: 0; }
.details li { padding: 10px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 110px 1fr; gap: 10px; }
.details li span { color: var(--muted); }

/* footer */
.site-footer { background: #111a23; color: #c5cdd6; font-size: 14px; }
.site-footer .wrap { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 24px; padding-top: 30px; padding-bottom: 20px; }
.site-footer h2 { font-size: 15px; color: #fff; margin: 0 0 8px; }
.site-footer a { color: #e3e8ee; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 3px 0; }
.legal { border-top: 1px solid #253241; text-align: center; padding: 12px 20px; color: #8e99a6; font-size: 13px; }

@media (max-width: 1000px) {
  .swatches { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 820px) {
  .media-text, .cols, .site-footer .wrap, .cta .wrap { grid-template-columns: 1fr; }
  .highlights .wrap { grid-template-columns: 1fr 1fr; }
  .highlights div:nth-child(3) { border-left: 0; }
  .swatches { grid-template-columns: repeat(3, 1fr); }
  .product { grid-template-columns: 1fr; }
  .hero { min-height: 0; display: block; }
  .hero > img { position: static; height: 240px; }
  .hero .card { margin: -40px 16px 0; max-width: none; padding: 22px 20px; }
}
@media (max-width: 520px) {
  .swatches { grid-template-columns: 1fr 1fr; }
  .brand b { display: none; }
  .contact-strip span { display: none; }
  .nav { gap: 4px 14px; font-size: 14px; }
  .details li { grid-template-columns: 1fr; gap: 2px; }
  .compare { font-size: 14px; }
  .compare th, .compare td { padding: 8px; }
}
