:root {
  --ink: #03111f;
  --ink-soft: #071d33;
  --panel: rgba(10, 42, 69, 0.62);
  --panel-strong: rgba(7, 31, 52, 0.9);
  --cyan: #19e3f2;
  --cyan-soft: #75f4ff;
  --white: #f6fbff;
  --muted: #9db5c9;
  --line: rgba(126, 224, 241, 0.2);
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.35);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body {
  margin: 0;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 5%, rgba(24, 175, 220, .18), transparent 27rem),
    radial-gradient(circle at 10% 48%, rgba(0, 104, 164, .14), transparent 32rem),
    linear-gradient(180deg, #061827 0%, #020b13 70%, #02080d 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; }
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].seen { opacity: 1; transform: none; }

.skip-link {
  position: absolute; left: -999px; top: 1rem; z-index: 99;
  background: var(--white); color: var(--ink); padding: .75rem 1rem; border-radius: 10px;
}
.skip-link:focus { left: 1rem; }

.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(3, 17, 31, .78);
  border-bottom: 1px solid rgba(115, 234, 249, .12);
  backdrop-filter: blur(18px);
}
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { display: inline-flex; align-items: center; gap: .72rem; font-size: 1.45rem; font-weight: 760; letter-spacing: -.04em; }
.brand-mark { position: relative; width: 36px; height: 26px; display: inline-block; }
.brand-mark::before, .brand-mark::after { content: ""; position: absolute; inset: 2px auto 2px 0; width: 22px; border: 6px solid var(--white); border-right: 0; border-radius: 18px 0 0 18px; }
.brand-mark::after { inset: 3px 0 3px auto; width: 18px; border: 0; border-radius: 0; background: linear-gradient(135deg, transparent 38%, var(--cyan) 39% 57%, transparent 58%), linear-gradient(45deg, transparent 38%, var(--white) 39% 57%, transparent 58%); }
.nav-links { display: flex; align-items: center; gap: 1.65rem; color: #c8d8e6; font-size: .92rem; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--cyan-soft); }
.lang-switch { border: 1px solid var(--line); border-radius: 999px; padding: .48rem .75rem; font-weight: 700; color: var(--white) !important; }
.menu-toggle { display: none; border: 0; background: transparent; color: white; font-size: 1.35rem; }

.hero { position: relative; overflow: hidden; padding: 7rem 0 5rem; min-height: 780px; display: grid; align-items: center; }
.hero::after { content: ""; position: absolute; inset: auto -18% -25% 28%; height: 52%; background: linear-gradient(90deg, transparent, rgba(25, 227, 242, .23), transparent); filter: blur(25px); transform: perspective(650px) rotateX(66deg); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.08fr .92fr; gap: 5rem; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: .65rem; margin: 0 0 1.3rem; color: var(--cyan-soft); text-transform: uppercase; letter-spacing: .16em; font-size: .76rem; font-weight: 760; }
.eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--cyan); box-shadow: 0 0 18px var(--cyan); }
h1, h2, h3 { margin: 0; letter-spacing: -.045em; line-height: 1.03; }
h1 { font-size: clamp(3.25rem, 7vw, 6.6rem); max-width: 790px; }
h1 .accent, h2 .accent { display: block; color: var(--cyan); text-shadow: 0 0 36px rgba(25, 227, 242, .18); }
.lead { max-width: 680px; margin: 1.65rem 0 2.1rem; color: #b9ccdc; font-size: clamp(1.05rem, 1.7vw, 1.25rem); line-height: 1.75; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .8rem 1.15rem; border-radius: 12px; font-weight: 750; border: 1px solid transparent; transition: transform .2s, border-color .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #00131e; background: linear-gradient(135deg, var(--cyan), #8cf7ff); box-shadow: 0 14px 40px rgba(25, 227, 242, .18); }
.button-secondary { border-color: var(--line); background: rgba(255,255,255,.035); }

.decision-stage { position: relative; aspect-ratio: 1 / 1; min-height: 480px; }
.decision-core { position: absolute; inset: 31%; border-radius: 50%; display: grid; place-items: center; background: radial-gradient(circle at 38% 28%, #1ef2ff, #08789b 42%, #07263d 67%); border: 1px solid rgba(255,255,255,.65); box-shadow: 0 0 30px rgba(25,227,242,.42), 0 0 110px rgba(25,227,242,.2); font-weight: 850; letter-spacing: -.05em; font-size: 1.3rem; z-index: 5; }
.orbit { position: absolute; inset: 8%; border: 1px solid rgba(77, 228, 246, .18); border-radius: 50%; animation: spin 24s linear infinite; }
.orbit.two { inset: 18%; animation-direction: reverse; animation-duration: 17s; }
.node { position: absolute; width: 118px; padding: 1rem .75rem; border-radius: 18px; text-align: center; font-size: .78rem; color: #dcecf7; background: linear-gradient(145deg, rgba(22, 79, 115, .72), rgba(6, 25, 42, .86)); border: 1px solid rgba(113, 234, 248, .35); box-shadow: var(--shadow); backdrop-filter: blur(12px); z-index: 6; }
.node strong { display: block; color: var(--cyan-soft); font-size: .95rem; margin-bottom: .28rem; }
.n1 { top: 4%; left: 38%; } .n2 { top: 31%; right: 0; } .n3 { bottom: 8%; right: 14%; } .n4 { bottom: 8%; left: 14%; } .n5 { top: 31%; left: 0; }
.beam { position: absolute; left: 50%; top: 50%; width: 1px; height: 39%; transform-origin: 0 0; background: linear-gradient(var(--cyan), transparent); box-shadow: 0 0 10px var(--cyan); opacity: .55; }
.b1 { transform: rotate(0deg); } .b2 { transform: rotate(72deg); } .b3 { transform: rotate(144deg); } .b4 { transform: rotate(216deg); } .b5 { transform: rotate(288deg); }
@keyframes spin { to { transform: rotate(360deg); } }

.signal-bar { position: relative; z-index: 3; border-block: 1px solid var(--line); background: rgba(7, 30, 50, .58); }
.signal-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.signal { padding: 1.35rem 1.2rem; border-right: 1px solid var(--line); }
.signal:last-child { border: 0; }
.signal b { display: block; color: var(--cyan-soft); margin-bottom: .28rem; }
.signal span { color: var(--muted); font-size: .88rem; }

.section { padding: 7rem 0; }
.section-head { display: grid; grid-template-columns: .7fr 1.3fr; gap: 4rem; align-items: end; margin-bottom: 3rem; }
.section h2 { font-size: clamp(2.3rem, 5vw, 4.6rem); }
.section-intro { color: var(--muted); font-size: 1.06rem; line-height: 1.75; max-width: 640px; }
.problem-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.problem-side { min-height: 340px; padding: 3rem; background: var(--panel-strong); }
.problem-side.solution { background: radial-gradient(circle at 82% 12%, rgba(25,227,242,.15), transparent 17rem), var(--panel-strong); }
.problem-side .num { color: var(--cyan); font: 700 .8rem/1 monospace; letter-spacing: .14em; }
.problem-side h3 { font-size: 2rem; margin: 1.4rem 0 1rem; }
.problem-side p { color: var(--muted); line-height: 1.75; }
.steps { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: .9rem; }
.steps li { display: flex; gap: .85rem; align-items: flex-start; color: #cfe0eb; }
.steps li::before { content: ""; flex: 0 0 9px; width: 9px; height: 9px; margin-top: .45rem; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 14px var(--cyan); }

.card-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: .8rem; }
.sector-card, .product-card, .article-card { position: relative; overflow: hidden; border: 1px solid var(--line); background: linear-gradient(155deg, rgba(14, 57, 88, .62), rgba(5, 22, 36, .86)); border-radius: 18px; transition: transform .25s, border-color .25s; }
.sector-card { min-height: 255px; padding: 1.5rem; display: flex; flex-direction: column; justify-content: space-between; }
.sector-card::after { content: ""; position: absolute; width: 120px; height: 120px; right: -54px; bottom: -54px; border: 1px solid rgba(79,226,243,.25); border-radius: 28px; transform: rotate(18deg); }
.sector-card:hover, .product-card:hover, .article-card:hover { transform: translateY(-5px); border-color: rgba(94, 236, 251, .52); }
.sector-card small { color: var(--cyan-soft); letter-spacing: .12em; }
.sector-card h3 { font-size: 1.35rem; }
.sector-card span { color: var(--muted); font-size: .88rem; }
.arrow { color: var(--cyan); font-size: 1.25rem; }

.products { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.product-card { padding: 2rem; min-height: 245px; }
.product-card.featured { grid-column: span 2; min-height: 300px; background: radial-gradient(circle at 80% 20%, rgba(25,227,242,.18), transparent 24rem), linear-gradient(155deg, rgba(14,57,88,.62), rgba(5,22,36,.9)); }
.tag { display: inline-block; color: var(--cyan-soft); border: 1px solid var(--line); border-radius: 999px; padding: .35rem .65rem; font-size: .72rem; text-transform: uppercase; letter-spacing: .11em; }
.product-card h3 { font-size: 2rem; margin: 1.25rem 0 .8rem; }
.product-card p { color: var(--muted); line-height: 1.7; max-width: 700px; }
.text-link { display: inline-flex; gap: .6rem; margin-top: 1rem; color: var(--cyan-soft); font-weight: 740; }

.principles { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }
.principle { padding: 2rem; border-top: 1px solid var(--cyan); background: rgba(255,255,255,.025); }
.principle strong { display: block; font-size: 1.2rem; margin-bottom: .75rem; }
.principle p { color: var(--muted); line-height: 1.7; }

.articles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.article-card { min-height: 270px; padding: 1.7rem; display: flex; flex-direction: column; }
.article-card .meta { color: var(--cyan-soft); font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; }
.article-card h3 { font-size: 1.55rem; margin: 1.2rem 0 .9rem; }
.article-card p { color: var(--muted); line-height: 1.65; flex: 1; }

.cta { margin: 2rem auto 7rem; padding: 4.2rem; border-radius: 30px; background: radial-gradient(circle at 82% 22%, rgba(25,227,242,.22), transparent 20rem), linear-gradient(140deg, #0a304e, #061725); border: 1px solid rgba(116,234,248,.28); box-shadow: var(--shadow); }
.cta h2 { font-size: clamp(2.3rem, 5vw, 4.5rem); max-width: 820px; }
.cta p { color: #bbd1df; max-width: 650px; line-height: 1.75; }

.page-hero { padding: 6.5rem 0 3.5rem; }
.page-hero h1 { max-width: 930px; font-size: clamp(3rem, 7vw, 6rem); }
.page-hero .lead { max-width: 800px; }
.content-layout { display: grid; grid-template-columns: 280px 1fr; gap: 4rem; padding-bottom: 7rem; }
.side-index { position: sticky; top: 110px; align-self: start; border-left: 1px solid var(--line); padding-left: 1.25rem; color: var(--muted); }
.side-index b { color: var(--cyan-soft); display: block; margin-bottom: .8rem; }
.article-body { max-width: 820px; }
.article-body h2 { margin: 3rem 0 1rem; font-size: 2.2rem; }
.article-body h3 { margin: 2rem 0 .8rem; font-size: 1.45rem; }
.article-body p, .article-body li { color: #b8ccda; line-height: 1.85; }
.article-body blockquote { margin: 2.2rem 0; padding: 1.4rem 1.6rem; border-left: 3px solid var(--cyan); background: rgba(25,227,242,.05); color: #e3f4fb; font-size: 1.15rem; }
.article-body .fact { display: grid; grid-template-columns: 140px 1fr; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.article-body .fact b { color: var(--cyan-soft); }
.related { margin-top: 3rem; padding: 2rem; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); }

.site-footer { border-top: 1px solid var(--line); padding: 3rem 0; background: #02080d; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 3rem; }
.footer-grid p, .footer-grid a { color: var(--muted); line-height: 1.7; }
.footer-grid h3 { font-size: 1rem; margin-bottom: 1rem; }
.footer-links { display: grid; gap: .55rem; }
.copyright { margin-top: 2.2rem; padding-top: 1.2rem; border-top: 1px solid rgba(126,224,241,.1); color: #68849a; font-size: .8rem; display: flex; justify-content: space-between; gap: 1rem; }

@media (max-width: 980px) {
  .hero { padding-top: 5rem; min-height: auto; }
  .hero-grid, .section-head, .content-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .decision-stage { min-height: 420px; max-width: 620px; width: 100%; margin: 0 auto; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .sector-card:last-child { grid-column: span 2; }
  .side-index { position: static; }
}

@media (max-width: 720px) {
  .shell { width: min(100% - 28px, 1180px); }
  .nav { min-height: 68px; }
  .menu-toggle { display: block; }
  .nav-links { position: absolute; top: 68px; left: 0; right: 0; display: none; flex-direction: column; align-items: flex-start; padding: 1.3rem 20px 1.6rem; background: #061827; border-bottom: 1px solid var(--line); }
  .nav-links.open { display: flex; }
  .hero { padding: 4.5rem 0 3rem; }
  h1 { font-size: clamp(3rem, 15vw, 4.6rem); }
  .decision-stage { min-height: 340px; }
  .node { width: 94px; padding: .72rem .5rem; font-size: .66rem; }
  .node strong { font-size: .78rem; }
  .signal-grid { grid-template-columns: repeat(2, 1fr); }
  .signal:nth-child(2) { border-right: 0; }
  .signal:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .section { padding: 5rem 0; }
  .problem-panel, .products, .principles, .articles, .footer-grid { grid-template-columns: 1fr; }
  .product-card.featured { grid-column: auto; }
  .card-grid { grid-template-columns: 1fr; }
  .sector-card:last-child { grid-column: auto; }
  .problem-side { min-height: auto; padding: 2rem; }
  .cta { padding: 2.4rem 1.5rem; margin-bottom: 4rem; }
  .copyright { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* Decision Architecture content, expressed in the original Corixo visual system */
.architecture-section {
  position: relative;
  overflow: hidden;
  border-block: 1px solid var(--line);
  background:
    radial-gradient(circle at 78% 22%, rgba(25, 227, 242, .13), transparent 28rem),
    linear-gradient(150deg, rgba(10, 48, 78, .74), rgba(3, 17, 31, .94));
}
.architecture-section::before {
  content: "";
  position: absolute;
  width: 560px;
  height: 560px;
  right: -260px;
  top: -280px;
  border: 1px solid rgba(117, 244, 255, .15);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(25,227,242,.018), 0 0 0 140px rgba(25,227,242,.012);
}
.architecture-section .shell { position: relative; z-index: 1; }
.architecture-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.architecture-card {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 1.2rem;
  min-height: 220px;
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(17, 61, 91, .58), rgba(5, 22, 36, .86));
  box-shadow: 0 22px 60px rgba(0,0,0,.18);
  transition: transform .25s, border-color .25s, background .25s;
}
.architecture-card:hover { transform: translateY(-4px); border-color: rgba(117,244,255,.48); background: linear-gradient(145deg, rgba(19, 75, 107, .68), rgba(5, 22, 36, .9)); }
.architecture-card > span { color: var(--cyan); font: 750 .76rem/1.5 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .12em; }
.architecture-card h3 { margin: 0 0 1.1rem; font-size: 1.7rem; }
.architecture-card strong { display: block; color: #e6f6fb; line-height: 1.5; }
.architecture-card p { margin: .65rem 0 0; color: var(--muted); line-height: 1.7; }
.architecture-quote { margin: 3.5rem 0 0; max-width: 980px; padding: 1.6rem 0 1.6rem 2rem; border-left: 3px solid var(--cyan); color: var(--white); font-size: clamp(1.8rem, 4vw, 3.8rem); font-weight: 820; line-height: 1.12; letter-spacing: -.04em; }

.product-card { isolation: isolate; }
.product-decision { margin-top: 1.3rem; padding-top: 1rem; border-top: 1px solid var(--line); color: #c9dce7; line-height: 1.6; font-size: .9rem; }
.product-decision span { display: block; margin-bottom: .45rem; color: var(--cyan-soft); font: 750 .63rem/1 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .12em; }
.boundary-statement { margin-top: 1rem; padding: 2.4rem; border: 1px solid var(--line); border-radius: 20px; background: radial-gradient(circle at 88% 15%, rgba(25,227,242,.15), transparent 20rem), var(--panel-strong); }
.boundary-statement > span, .detail-label, .decision-object > span, .boundary-box span { color: var(--cyan); font: 750 .7rem/1 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .12em; }
.boundary-statement h3 { margin: 1.1rem 0 .7rem; font-size: clamp(1.6rem, 3vw, 2.6rem); }
.boundary-statement p { margin: 0; max-width: 820px; color: var(--muted); line-height: 1.75; }

.detail-title-row { display: flex; align-items: end; justify-content: space-between; gap: 2rem; border-bottom: 1px solid var(--line); padding-bottom: 1.8rem; }
.detail-title-row > span { color: #64869b; font: 750 .7rem/1 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .12em; white-space: nowrap; }
.detail-system { margin: 1rem 0 4rem; }
.detail-label { margin-bottom: 1.1rem; }
.signal-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; }
.signal-list > div { display: grid; grid-template-columns: 44px 1fr; gap: .6rem; min-height: 94px; padding: 1.1rem; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.022); }
.signal-list span { color: var(--cyan); font: 750 .72rem/1.65 ui-monospace, SFMono-Regular, Consolas, monospace; }
.signal-list p { margin: 0; color: #d0e0e8; line-height: 1.65; }
.decision-object { margin: 4rem 0; padding: 2.5rem; border: 1px solid rgba(117,244,255,.28); border-radius: 20px; background: radial-gradient(circle at 90% 10%, rgba(25,227,242,.14), transparent 17rem), var(--panel-strong); }
.decision-object h2 { margin: 1.25rem 0 0; font-size: clamp(2rem, 4vw, 3.45rem); }
.boundary-box { display: grid; grid-template-columns: .9fr 1.1fr; gap: 2rem; margin: 4rem 0; padding: 2rem; border-block: 1px solid var(--cyan); background: rgba(25,227,242,.025); }
.boundary-box h3 { margin: .8rem 0 0; font-size: 1.55rem; }
.boundary-box p { margin: 0; }

.product-advantages { margin: 1rem 0 4.5rem; }
.advantage-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.advantage-grid article { min-height: 245px; padding: 1.6rem; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(155deg, rgba(13,53,83,.62), rgba(4,18,30,.9)); }
.advantage-grid article > span, .technical-head span, .architecture-stack article > span, .control-plane span, .technical-boundary > span { color: var(--cyan); font: 750 .68rem/1 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .12em; }
.advantage-grid h3 { margin: 3rem 0 .85rem; color: #ecf8fb; font-size: 1.35rem; }
.advantage-grid p { margin: 0; color: var(--muted); line-height: 1.72; }

.technical-deep-dive { margin: 5rem 0; padding: 2.2rem; border: 1px solid rgba(117,244,255,.25); border-radius: 22px; background: radial-gradient(circle at 92% 5%, rgba(25,227,242,.13), transparent 23rem), #041421; }
.technical-head { display: grid; grid-template-columns: .85fr 1.15fr; gap: 2rem; align-items: end; padding-bottom: 2rem; border-bottom: 1px solid var(--line); }
.technical-head h2 { margin: 1rem 0 0; font-size: clamp(1.8rem, 4vw, 3rem); }
.technical-head p { margin: 0; color: #bed2dd; line-height: 1.82; }
.architecture-stack { margin-top: 1.4rem; border-top: 1px solid var(--line); }
.architecture-stack article { display: grid; grid-template-columns: 54px minmax(150px, .72fr) 1.6fr; gap: 1rem; align-items: start; padding: 1.35rem 0; border-bottom: 1px solid var(--line); }
.architecture-stack h3 { margin: 0; color: #edf8fb; font-size: 1.06rem; }
.architecture-stack p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.7; }
.control-plane { display: grid; grid-template-columns: .9fr 1.1fr; gap: 2rem; margin-top: 2.5rem; padding: 1.6rem; border: 1px solid rgba(117,244,255,.28); background: rgba(25,227,242,.045); }
.control-plane h3 { margin: .85rem 0 0; font-size: 1.3rem; }
.control-plane ul { display: grid; gap: .55rem; margin: 0; padding: 0; list-style: none; }
.control-plane li { position: relative; padding-left: 1.2rem; color: #d4e6ed; line-height: 1.5; }
.control-plane li::before { content: ''; position: absolute; left: 0; top: .63rem; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px rgba(25,227,242,.7); }
.technical-boundary { margin-top: 1rem; padding: 1.6rem; border-left: 3px solid var(--cyan); background: rgba(255,255,255,.022); }
.technical-boundary p { margin: .9rem 0 0; color: #c9dce5; line-height: 1.8; }

@media (max-width: 720px) {
  .architecture-grid, .signal-list, .boundary-box, .advantage-grid, .technical-head, .control-plane { grid-template-columns: 1fr; }
  .architecture-card { min-height: auto; padding: 1.5rem; }
  .detail-title-row { display: block; }
  .detail-title-row > span { display: block; margin-top: 1rem; }
  .advantage-grid article { min-height: auto; }
  .technical-deep-dive { padding: 1.35rem; }
  .architecture-stack article { grid-template-columns: 44px 1fr; }
  .architecture-stack p { grid-column: 2; }
}

.method-section { background: rgba(255,255,255,.012); }
.method-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: .75rem; }
.method-card { min-height: 330px; padding: 1.55rem; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(155deg, rgba(13,53,83,.62), rgba(4,18,30,.88)); display: flex; flex-direction: column; }
.method-card > span, .capability-card > span, .system-anatomy span, .critical-list span, .sector-risk > span { color: var(--cyan); font: 750 .7rem/1 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .12em; }
.method-card h3 { margin: 3.2rem 0 .9rem; font-size: 1.4rem; }
.method-card p { color: var(--muted); line-height: 1.7; font-size: .92rem; }
.method-card strong { margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--line); color: #dcecf4; font-size: .78rem; line-height: 1.55; }

.capability-section { border-block: 1px solid var(--line); background: radial-gradient(circle at 50% 50%, rgba(25,227,242,.07), transparent 34rem); }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.capability-card { min-height: 230px; padding: 2rem; border-top: 1px solid var(--cyan); background: rgba(6,27,45,.72); }
.capability-card h3 { margin: 3rem 0 .8rem; font-size: 1.45rem; }
.capability-card p { color: var(--muted); line-height: 1.75; }

.faq-section { padding-top: 4rem; }
.faq-grid { border-top: 1px solid var(--line); }
.faq-grid details { border-bottom: 1px solid var(--line); }
.faq-grid summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 1rem; padding: 1.5rem 0; color: #e5f4fa; font-size: 1.15rem; font-weight: 740; }
.faq-grid summary::-webkit-details-marker { display: none; }
.faq-grid summary span { color: var(--cyan); font-size: 1.4rem; transition: transform .2s; }
.faq-grid details[open] summary span { transform: rotate(45deg); }
.faq-grid details p { max-width: 880px; margin: 0; padding: 0 0 1.6rem; color: var(--muted); line-height: 1.8; }

.system-anatomy { margin: 4rem 0; }
.anatomy-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 1rem; border: 1px solid var(--line); background: var(--line); }
.anatomy-grid > div { min-height: 190px; padding: 1.4rem; background: var(--panel-strong); }
.anatomy-grid b { display: block; margin: 2rem 0 .7rem; color: #e3f4fa; }
.anatomy-grid p { margin: 0; color: var(--muted); line-height: 1.6; font-size: .9rem; }
.critical-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin-bottom: 3.5rem; }
.critical-list > div { min-height: 145px; padding: 1.4rem; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.022); }
.critical-list p { margin: 1.6rem 0 0; color: #d7e8ef; line-height: 1.6; }
.signals-title { margin-top: 3rem; }
.sector-risk { margin: 3rem 0; padding: 2rem; border-left: 3px solid var(--cyan); background: rgba(25,227,242,.045); }
.sector-risk p { margin: 1rem 0 0; color: #c7dce6; line-height: 1.8; }
.about-principles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 1.5rem; }
.about-principles > div { padding: 1.6rem; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.about-principles b { color: var(--cyan); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.about-principles h3 { margin: 1.4rem 0 .7rem; }
.about-principles p { margin: 0; }

@media (max-width: 1100px) {
  .method-grid { grid-template-columns: repeat(2, 1fr); }
  .method-card:last-child { grid-column: span 2; }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .method-grid, .capability-grid, .anatomy-grid, .critical-list, .about-principles { grid-template-columns: 1fr; }
  .method-card { min-height: auto; }
  .method-card:last-child { grid-column: auto; }
}