:root {
  color-scheme: dark;
  --bg: #06090f;
  --ink: #edf3f8;
  --muted: #9fadb9;
  --line: #26313c;
  --blue: #8bc9ff;
  --warm: #e6b879;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 75% 5%, rgba(36, 76, 112, 0.18), transparent 34rem),
    linear-gradient(#080c12, var(--bg) 35rem);
  font-size: 17px;
  line-height: 1.6;
}

a { color: var(--blue); }

nav, .hero, main, footer {
  width: min(1320px, calc(100% - 40px));
  margin-inline: auto;
}

nav {
  display: flex;
  gap: 1.2rem;
  padding-block: 1.1rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
}

nav a { color: #c9d4df; text-decoration: none; }

.hero { padding-block: clamp(4rem, 11vw, 9rem) 4rem; }

.eyebrow, .number {
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1 {
  max-width: 980px;
  margin: 0.12em 0 0.3em;
  font-size: clamp(3rem, 9vw, 7.4rem);
  font-weight: 680;
  letter-spacing: -0.065em;
  line-height: 0.92;
}

.lede { max-width: 820px; color: #bdc8d3; font-size: clamp(1.05rem, 2.2vw, 1.35rem); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.7rem; }

.hero-actions a {
  padding: 0.72rem 0.95rem;
  border: 1px solid #344351;
  border-radius: 0.5rem;
  background: rgba(16, 25, 34, 0.72);
  color: #d9e6f2;
  text-decoration: none;
}

.hero-actions .primary {
  border-color: #568ec0;
  background: linear-gradient(135deg, #155d95, #394386);
  color: white;
}

.boundary {
  display: grid;
  grid-template-columns: 9rem minmax(0, 760px);
  gap: 1.2rem;
  margin-top: 2.2rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.boundary strong { color: var(--warm); }

article {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(290px, 0.75fr);
  gap: clamp(1.5rem, 4vw, 3.8rem);
  padding-block: clamp(3rem, 8vw, 6rem);
  border-top: 1px solid var(--line);
}

.comparison { align-self: start; min-width: 0; }

.comparison img {
  display: block;
  width: 100%;
  height: auto;
  background: #000;
}

.labels { display: grid; grid-template-columns: 1fr 1fr; color: #9facb8; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.09em; }
.labels span { padding: 0.45rem 0.6rem; border: 1px solid var(--line); border-bottom: 0; }
.labels span + span { border-left: 0; }

.copy h2, .method h2 { margin: 0.2em 0 0.65em; font-size: clamp(1.8rem, 3.6vw, 3rem); line-height: 1.06; letter-spacing: -0.035em; }
.copy > p:not(.number, .links) { color: #bdc7d1; }
dl { margin: 1.5rem 0; border-top: 1px solid var(--line); }
dt { margin-top: 0.8rem; color: #dce5ed; font-size: 0.75rem; font-weight: 720; text-transform: uppercase; letter-spacing: 0.08em; }
dd { margin: 0.15rem 0 0; color: var(--muted); }
.links { display: flex; flex-wrap: wrap; gap: 0.85rem; font-size: 0.86rem; }

.method { padding-block: 5rem; border-top: 1px solid var(--line); }
.method > div { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; max-width: 980px; color: var(--muted); }

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 2rem 4rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

@media (max-width: 820px) {
  article { grid-template-columns: 1fr; }
  .method > div { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  nav, .hero, main, footer { width: min(100% - 24px, 1320px); }
  nav { flex-wrap: wrap; }
  .boundary { grid-template-columns: 1fr; gap: 0.2rem; }
  footer { flex-direction: column; }
}