:root {
  --navy: #0b2246;
  --navy-deep: #07162f;
  --blue: #1479d1;
  --ice: #e8f5ff;
  --sky: #a8ddff;
  --amber: #e96f22;
  --warm: #fff0e5;
  --paper: #fbfdff;
  --white: #ffffff;
  --ink: #10223c;
  --muted: #4f6076;
  --line: #cbd9e7;
  --max: 1180px;
  color-scheme: light;
  font-family: "Aptos", "Segoe UI Variable", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 18px;
  line-height: 1.62;
}
a { color: inherit; text-underline-offset: .2em; }
a:focus-visible, summary:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 4px;
}
img { display: block; max-width: 100%; height: auto; }
.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: .75rem 1rem;
  color: var(--white);
  background: var(--navy);
  border-radius: .4rem;
}
.skip-link:focus { top: 1rem; }
.disclosure {
  padding: .55rem 1rem;
  color: var(--white);
  background: var(--navy-deep);
  font-size: .76rem;
  text-align: center;
}
.disclosure p { max-width: 1000px; margin: 0 auto; }
.site-header, main, footer {
  width: min(calc(100% - 2.5rem), var(--max));
  margin-inline: auto;
}
.site-header {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  color: var(--navy);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -.02em;
  text-decoration: none;
}
.brand b { color: var(--blue); }
.brand-mark {
  width: 30px;
  height: 30px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3px;
  rotate: 12deg;
}
.brand-mark i { border-radius: 50%; background: var(--blue); }
.brand-mark i:nth-child(2) { background: var(--sky); }
.brand-mark i:nth-child(3) { background: var(--amber); }
.brand-mark i:nth-child(4) { background: var(--navy); }
.site-header nav, footer nav { display: flex; align-items: center; gap: 1.5rem; }
.site-header nav a, footer nav a {
  color: var(--navy);
  font-size: .82rem;
  font-weight: 750;
  text-decoration: none;
}
.site-header nav a:hover, footer nav a:hover { color: var(--blue); }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
  padding: clamp(4.5rem, 9vw, 8rem) 0 5rem;
}
.kicker {
  margin: 0 0 1.2rem;
  color: var(--blue);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 760px;
  margin-bottom: 1.7rem;
  color: var(--navy);
  font-size: clamp(3.25rem, 6.3vw, 6.5rem);
  line-height: .93;
  letter-spacing: -.06em;
}
h1 em { color: var(--blue); font-style: normal; font-weight: 520; }
h2 {
  margin-bottom: 1.3rem;
  color: var(--navy);
  font-size: clamp(2.3rem, 4.6vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -.05em;
}
h3 { color: var(--navy); font-size: 1.45rem; line-height: 1.15; letter-spacing: -.025em; }
.intro { max-width: 700px; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.3rem); }
.quick-verdict {
  max-width: 710px;
  display: grid;
  grid-template-columns: 120px 1fr;
  margin: 2rem 0;
  border-block: 1px solid var(--line);
  padding: 1rem 0;
}
.verdict-label {
  color: var(--navy);
  font-size: .78rem;
  font-weight: 850;
  text-transform: uppercase;
}
.quick-verdict p { margin: 0; font-size: .93rem; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem; }
.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .8rem 1.1rem;
  border: 1px solid var(--navy);
  border-radius: .5rem;
  font-size: .86rem;
  font-weight: 850;
  text-decoration: none;
}
.button.primary { color: var(--white); background: var(--navy); }
.button.primary:hover { background: var(--blue); border-color: var(--blue); }
.button.light { color: var(--navy); background: var(--white); border-color: var(--white); }
.text-link { color: var(--navy); font-size: .85rem; font-weight: 800; }
.price-note { max-width: 680px; margin: .8rem 0 0; color: var(--muted); font-size: .73rem; }
.hero-visual { position: relative; margin: 0; }
.hero-visual img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 42% 42% 1.2rem 1.2rem;
  box-shadow: 0 34px 80px rgba(11, 34, 70, .18);
}
.hero-visual figcaption { margin-top: .65rem; color: var(--muted); font-size: .72rem; text-align: right; }
.temperature-scale {
  position: absolute;
  z-index: 2;
  right: -1rem;
  top: 2rem;
  display: grid;
  gap: .35rem;
  padding: .8rem .65rem;
  color: var(--navy);
  background: rgba(255,255,255,.93);
  border: 1px solid var(--line);
  border-radius: 2rem;
  box-shadow: 0 10px 40px rgba(11, 34, 70, .16);
  font: 800 .55rem/1 "Cascadia Mono", Consolas, monospace;
  text-align: center;
}
.temperature-scale i {
  width: 8px;
  height: 92px;
  display: block;
  margin: 0 auto;
  border-radius: 1rem;
  background: linear-gradient(var(--blue), var(--sky) 44%, var(--warm) 56%, var(--amber));
}
.proof-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  color: var(--white);
  background: var(--navy);
  border-radius: 1rem;
}
.proof-strip div { padding: 1.5rem; border-right: 1px solid rgba(255,255,255,.2); }
.proof-strip div:last-child { border-right: 0; }
.proof-strip strong { display: block; color: var(--sky); font-size: 1.35rem; }
.proof-strip span { font-size: .78rem; }
.editorial-grid, .fit-section, .faq {
  display: grid;
  grid-template-columns: minmax(260px, .85fr) minmax(0, 1.15fr);
  gap: clamp(3rem, 8vw, 8rem);
  padding: clamp(5rem, 10vw, 9rem) 0;
  border-bottom: 1px solid var(--line);
}
.section-copy { color: var(--muted); font-size: 1.1rem; }
.section-copy p:last-child { margin-bottom: 0; }
.feature-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--navy-deep);
  border-radius: 1rem;
}
.feature-image img { width: 100%; min-height: 620px; object-fit: cover; }
.feature-copy { padding: clamp(2rem, 6vw, 5rem); }
.feature-copy h2 { color: var(--white); }
.feature-copy .kicker { color: var(--sky); }
.check-list { margin: 2rem 0 0; padding: 0; list-style: none; }
.check-list li { padding: .8rem 0 .8rem 1.8rem; border-top: 1px solid rgba(255,255,255,.16); position: relative; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--sky); font-weight: 900; }
.fit-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.fit-card { min-height: 390px; padding: 2rem; border: 1px solid var(--line); border-radius: .8rem; }
.fit-card.positive { background: var(--ice); }
.fit-card.caution { background: var(--warm); }
.card-signal { color: var(--blue); font: 800 .7rem/1 "Cascadia Mono", Consolas, monospace; letter-spacing: .12em; text-transform: uppercase; }
.caution .card-signal { color: #a1440b; }
.fit-card ul { padding-left: 1.2rem; }
.fit-card li { margin-bottom: .85rem; }
.buying-checks {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: clamp(3rem, 8vw, 8rem);
  padding: clamp(5rem, 10vw, 9rem) 0;
}
.buying-checks ol { margin: 0; padding: 0; list-style: none; }
.buying-checks li {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 1rem;
  padding: 1.35rem 0;
  border-top: 1px solid var(--line);
}
.buying-checks li > span { color: var(--blue); font: 800 .78rem/1.5 "Cascadia Mono", Consolas, monospace; }
.buying-checks strong { color: var(--navy); }
.buying-checks li p { margin: .2rem 0 0; color: var(--muted); font-size: .9rem; }
.cta-section {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
  padding: clamp(3rem, 7vw, 5.5rem);
  color: var(--white);
  background: linear-gradient(115deg, var(--blue), var(--navy));
  border-radius: 1rem;
}
.cta-section h2 { color: var(--white); }
.cta-section .kicker { color: var(--sky); }
.cta-section p:last-child { max-width: 650px; margin-bottom: 0; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 1.3rem 2.4rem 1.3rem 0; color: var(--navy); cursor: pointer; font-weight: 800; }
.faq-list details p { max-width: 720px; padding: 0 0 1.5rem; color: var(--muted); }
.method-note {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 2rem;
  margin: 0 0 6rem;
  padding: 1.5rem;
  color: var(--muted);
  background: var(--ice);
  border-left: 4px solid var(--blue);
  font-size: .82rem;
}
.method-note strong { color: var(--navy); }
.method-note p { margin: 0; }
footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  padding: 3rem 0 7rem;
  border-top: 1px solid var(--line);
}
footer p { margin: .4rem 0 0; color: var(--muted); font-size: .8rem; }
.footer-disclosure { grid-column: 1 / -1; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.mobile-cta { display: none; }

@media (max-width: 900px) {
  .hero, .editorial-grid, .fit-section, .faq, .buying-checks { grid-template-columns: 1fr; gap: 2rem; }
  .hero { padding-top: 4rem; }
  .hero-visual { width: min(100%, 620px); }
  .proof-strip { grid-template-columns: repeat(2, 1fr); }
  .proof-strip div:nth-child(2) { border-right: 0; }
  .proof-strip div:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.2); }
  .feature-panel { grid-template-columns: 1fr; }
  .feature-image img { min-height: 0; max-height: 620px; }
  .fit-section { gap: 1rem; }
  .cta-section { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 17px; padding-bottom: 72px; }
  .site-header { display: block; padding: 1rem 0; }
  .site-header nav { margin-top: .8rem; gap: .9rem; overflow-x: auto; }
  .site-header nav a { white-space: nowrap; }
  h1 { font-size: clamp(3rem, 15vw, 4.7rem); }
  .quick-verdict { grid-template-columns: 1fr; gap: .4rem; }
  .actions, .button { width: 100%; }
  .hero-visual img { border-radius: 30% 30% 1rem 1rem; }
  .temperature-scale { right: -.5rem; }
  .proof-strip { grid-template-columns: 1fr 1fr; }
  .proof-strip div { padding: 1rem; }
  .fit-cards { grid-template-columns: 1fr; }
  .fit-card { min-height: auto; }
  .cta-section { padding: 2rem 1.4rem; }
  .method-note { grid-template-columns: 1fr; gap: .4rem; }
  footer { grid-template-columns: 1fr; }
  footer nav { align-items: flex-start; flex-direction: column; gap: .65rem; }
  .mobile-cta {
    position: fixed;
    z-index: 50;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .75rem 1rem;
    color: var(--white);
    background: rgba(7, 22, 47, .97);
    box-shadow: 0 -10px 40px rgba(7, 22, 47, .2);
    font-size: .76rem;
  }
  .mobile-cta a {
    padding: .65rem .8rem;
    color: var(--navy);
    background: var(--sky);
    border-radius: .4rem;
    font-weight: 850;
    text-decoration: none;
  }
}

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