:root {
  color-scheme: dark;
  --navy: #0b1521;
  --surface: #142331;
  --surface-2: #1a2e3c;
  --ink: #f2f0e9;
  --muted: #a7b0b7;
  --gold: #d2af68;
  --line: rgba(242, 240, 233, .15);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--navy); color: var(--ink); font: 17px/1.6 Arial, Helvetica, sans-serif; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--gold); }
img { display: block; max-width: 100%; }
p { margin: 0 0 1.15em; }
h1, h2, h3 { line-height: 1.07; letter-spacing: -.045em; margin: 0; }
h1 { font-size: clamp(3.3rem, 7.3vw, 6.4rem); font-weight: 800; }
h2 { font-size: clamp(2.2rem, 4.6vw, 4.3rem); font-weight: 800; }
h3 { font-size: clamp(1.38rem, 2vw, 1.9rem); font-weight: 800; }
strong { color: var(--ink); }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
.container { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.skip-link { position: absolute; left: 20px; top: -100px; padding: 10px 14px; background: var(--gold); color: var(--navy); z-index: 100; }
.skip-link:focus { top: 12px; }

.site-header { border-bottom: 1px solid var(--line); background: rgba(11, 21, 33, .94); }
.nav { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.brand { display: flex; align-items: center; gap: 14px; color: var(--ink); font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.brand img { width: 47px; height: 47px; object-fit: cover; border-radius: 50%; }
.brand span { max-width: 180px; }
.nav-links { display: flex; align-items: center; flex-wrap: wrap; gap: clamp(16px, 3vw, 38px); font-size: .87rem; text-transform: uppercase; font-weight: 700; letter-spacing: .12em; }
.nav-links [aria-current="page"] { color: var(--gold); }
.nav-links .nav-cta { border: 1px solid var(--gold); color: var(--gold); padding: 12px 19px; border-radius: 3px; }
.nav-links .nav-cta:hover { background: var(--gold); color: var(--navy); }

.eyebrow { color: var(--gold); font-size: .76rem; font-weight: 800; letter-spacing: .22em; text-transform: uppercase; }
.eyebrow::before { content: ""; display: inline-block; vertical-align: middle; width: 32px; height: 2px; background: currentColor; margin-right: 13px; }
.lede { color: var(--muted); font-size: clamp(1.1rem, 1.8vw, 1.38rem); line-height: 1.58; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 53px; padding: 14px 22px; border: 1px solid var(--gold); border-radius: 3px; color: var(--navy); background: var(--gold); font-size: .83rem; font-weight: 800; text-transform: uppercase; letter-spacing: .11em; transition: transform .18s ease, background .18s ease; }
.button:hover { color: var(--navy); background: #eccd89; transform: translateY(-2px); }
.button.secondary { color: var(--ink); border-color: rgba(242,240,233,.35); background: transparent; }
.button.secondary:hover { color: var(--gold); border-color: var(--gold); }
.text-link { color: var(--gold); font-size: .83rem; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; border-bottom: 1px solid currentColor; padding-bottom: 5px; }

.hero { padding: clamp(70px, 9vw, 138px) 0 105px; position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; width: 720px; height: 720px; right: -280px; top: -260px; border: 1px solid rgba(210,175,104,.17); border-radius: 50%; box-shadow: 0 0 0 130px rgba(210,175,104,.025), 0 0 0 260px rgba(210,175,104,.015); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(330px, .9fr); align-items: center; gap: clamp(45px, 7vw, 100px); position: relative; z-index: 1; }
.hero h1 { max-width: 830px; margin-top: 27px; }
.hero h1 em { color: var(--gold); font-style: normal; }
.hero .lede { max-width: 650px; margin: 31px 0 37px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 15px; }
.hero-card { display: block; color: var(--ink); background: linear-gradient(145deg, #1d3240, #101e2b 70%); padding: clamp(24px, 3vw, 38px); border: 1px solid rgba(210,175,104,.43); box-shadow: 28px 30px 0 rgba(20,35,49,.35); transform: rotate(2deg); transition: transform .2s ease, border-color .2s ease; }
.hero-card:hover { color: var(--ink); border-color: var(--gold); transform: rotate(0); }
.hero-card-top, .hero-card-bottom { display: flex; justify-content: space-between; gap: 15px; align-items: center; }
.hero-card-top { color: var(--gold); font-size: .68rem; font-weight: 800; letter-spacing: .16em; }
.hero-card-top span:last-child { font-size: 1.5rem; line-height: 1; }
.hero-card h2 { font-size: clamp(2.3rem, 3.7vw, 3.7rem); margin: 31px 0 13px; }
.hero-card h2 em { color: var(--gold); font-style: normal; }
.hero-card > p { color: var(--muted); font-size: .95rem; margin-bottom: 28px; }
.hero-capacities { display: grid; gap: 13px; padding: 24px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.hero-capacities > div { display: grid; grid-template-columns: 1fr auto; gap: 5px 16px; align-items: center; color: var(--muted); font-size: .81rem; font-weight: 700; }
.hero-capacities strong { color: var(--ink); font-size: 1rem; font-variant-numeric: tabular-nums; }
.hero-capacities i { display: block; height: 5px; width: var(--bar); background: #536672; border-radius: 8px; grid-column: 1 / -1; }
.hero-capacities .is-limit, .hero-capacities .is-limit strong { color: var(--gold); }
.hero-capacities .is-limit i { background: var(--gold); }
.hero-card-bottom { padding-top: 23px; font-size: .72rem; font-weight: 800; letter-spacing: .04em; }
.hero-card-bottom strong { color: var(--gold); font-size: 1.4rem; margin-right: 3px; }
.hero-card-bottom span:last-child { color: var(--gold); text-align: right; }

.section { padding: 95px 0; border-top: 1px solid var(--line); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 25px; margin-bottom: 38px; }
.section-head h2 { max-width: 740px; margin-top: 16px; }
.feature-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 24px; }
.feature { min-height: 590px; background: var(--surface); border: 1px solid var(--line); display: grid; grid-template-rows: auto 1fr; }
.feature img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.feature-body { padding: clamp(28px, 4vw, 47px); display: flex; flex-direction: column; align-items: start; }
.feature-body h3 { font-size: clamp(2.15rem, 3.7vw, 3.45rem); margin: 14px 0 17px; }
.feature-body p { color: var(--muted); max-width: 650px; }
.feature-body .text-link { margin-top: auto; }
.principles { display: grid; gap: 18px; }
.principle { border: 1px solid var(--line); background: rgba(20,35,49,.45); padding: 30px; }
.principle .number { color: var(--gold); font-size: .82rem; font-weight: 800; letter-spacing: .15em; }
.principle h3 { margin: 29px 0 10px; }
.principle p { color: var(--muted); font-size: .98rem; margin: 0; }

.band { padding: 86px 0; background: var(--surface); }
.band-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 80px; }
.band h2 { margin-top: 20px; }
.band p { color: var(--muted); font-size: 1.15rem; }
.band .button { margin-top: 14px; }
.site-footer { border-top: 1px solid var(--line); padding: 42px 0 50px; }
.footer-grid { display: flex; align-items: start; justify-content: space-between; flex-wrap: wrap; gap: 22px; }
.footer-grid p { color: var(--muted); font-size: .85rem; margin-top: 12px; max-width: 360px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; color: var(--muted); font-size: .83rem; }

.page-hero { padding: 86px 0 72px; }
.page-hero h1 { max-width: 950px; margin: 23px 0 27px; }
.page-hero .lede { max-width: 800px; }
.article-cover { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; border: 1px solid var(--line); }
.article-shell { display: grid; grid-template-columns: minmax(0, 780px) minmax(210px, 1fr); gap: 88px; padding-top: 70px; padding-bottom: 125px; }
.article { color: #d3d6d4; font-size: 1.13rem; line-height: 1.8; }
.article h2 { color: var(--ink); font-size: clamp(2rem, 3vw, 3rem); margin: 68px 0 24px; }
.article h3 { color: var(--ink); font-size: 1.5rem; margin: 42px 0 13px; }
.article a { color: var(--gold); text-decoration: underline; text-underline-offset: 4px; }
.article ul, .article ol { padding-left: 1.5em; }
.article li { padding-left: 6px; margin: 9px 0; }
.article .note { border-left: 4px solid var(--gold); padding: 20px 25px; margin: 35px 0; background: var(--surface); color: var(--ink); font-size: 1rem; }
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 32px 0 14px; }
.flow-step { min-height: 135px; padding: 18px 12px; background: var(--surface); border: 1px solid var(--line); text-align: center; }
.flow-step.highlight { background: var(--gold); color: var(--navy); }
.flow-step span { display: block; font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 800; }
.flow-step strong { display: block; margin: 10px 0 1px; font-size: 2.15rem; line-height: 1; color: inherit; }
.flow-step small { font-size: .6rem; text-transform: uppercase; letter-spacing: .05em; }
.caption { color: var(--muted); font-size: .78rem; margin-bottom: 28px; }
.simulator { margin: 44px 0 58px; padding: clamp(24px, 4vw, 38px); background: linear-gradient(155deg, #1b3040, #10202d); border: 1px solid rgba(210,175,104,.5); scroll-margin-top: 28px; }
.article .simulator h3 { font-size: clamp(1.8rem, 3vw, 2.5rem); margin: 12px 0 11px; }
.simulator-head > p { color: var(--muted); font-size: .94rem; line-height: 1.5; margin: 0 0 23px; }
.simulator-result { display: grid; grid-template-columns: 1fr auto; gap: 1px 20px; align-items: center; padding: 20px 22px; background: #0d1b28; border-left: 4px solid var(--gold); }
.simulator-result > span { color: var(--muted); font-size: .7rem; font-weight: 800; line-height: 1.3; letter-spacing: .12em; text-transform: uppercase; }
.simulator-result > strong { color: var(--gold); font-size: 3.25rem; line-height: 1; font-variant-numeric: tabular-nums; grid-column: 2; grid-row: 1 / 3; }
.simulator-result > p { font-size: .88rem; line-height: 1.5; margin: 6px 0 0; }
.simulator-controls { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 19px 0; }
.simulator-control { padding: 16px 17px; border: 1px solid var(--line); background: rgba(11,21,33,.5); }
.simulator-control.is-binding { border-color: var(--gold); }
.simulator-control > div { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.simulator-control label { color: var(--ink); font-size: .87rem; font-weight: 800; }
.simulator-control.is-binding label::after { content: " · limit"; color: var(--gold); font-size: .72rem; }
.simulator-control output { color: var(--gold); font-size: 1.45rem; font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums; }
.simulator-control input { display: block; width: 100%; margin: 16px 0 3px; accent-color: var(--gold); cursor: pointer; }
.simulator-actions { display: flex; flex-wrap: wrap; gap: 9px; }
.simulator-actions button { cursor: pointer; border: 1px solid rgba(210,175,104,.5); color: var(--gold); background: transparent; padding: 10px 12px; border-radius: 3px; font: 700 .72rem/1.3 Arial, Helvetica, sans-serif; text-transform: uppercase; letter-spacing: .05em; }
.simulator-actions button:hover { background: var(--gold); color: var(--navy); }
.article .simulator-note { color: var(--muted); font-size: .72rem; line-height: 1.55; margin: 20px 0 0; }
.article-aside { align-self: start; position: sticky; top: 28px; border-top: 2px solid var(--gold); padding-top: 24px; }
.article-aside p { color: var(--muted); font-size: .86rem; }
.article-aside a { display: block; color: var(--ink); font-size: .85rem; font-weight: 700; padding: 10px 0; border-bottom: 1px solid var(--line); }
.article-aside a:hover { color: var(--gold); }
.status { display: inline-block; padding: 7px 10px; border: 1px solid rgba(210,175,104,.55); color: var(--gold); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 800; }
.simple-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin: 34px auto 92px; }
.simple-card { background: var(--surface); border: 1px solid var(--line); padding: clamp(25px, 4vw, 48px); }
.simple-card h2 { font-size: 2rem; margin-bottom: 19px; }
.simple-card p { color: var(--muted); }
.simple-card ul { color: var(--muted); padding-left: 20px; }

@media (max-width: 850px) {
  .nav { padding: 18px 0; flex-wrap: wrap; }
  .nav-links { width: 100%; justify-content: space-between; gap: 12px; font-size: .74rem; }
  .hero-grid, .feature-grid, .band-grid, .article-shell { grid-template-columns: 1fr; }
  .hero { padding-bottom: 80px; }
  .hero-card { transform: none; box-shadow: none; max-width: 650px; }
  .principles { grid-template-columns: repeat(3, 1fr); }
  .article-aside { position: static; order: -1; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .container { width: min(calc(100% - 36px), var(--max)); }
  .brand span { max-width: none; }
  .nav-links .nav-cta { padding: 7px 10px; }
  .section { padding: 68px 0; }
  .section-head { align-items: start; flex-direction: column; }
  .feature { min-height: 0; }
  .principles, .simple-grid { grid-template-columns: 1fr; }
  .band { padding: 65px 0; }
  .page-hero { padding: 64px 0 42px; }
  .article-cover { aspect-ratio: 16 / 10; }
  .article-shell { gap: 40px; padding-top: 48px; padding-bottom: 80px; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .flow-step { min-height: 115px; }
  .simulator-controls { grid-template-columns: 1fr; }
  .simulator-result > strong { grid-row: 1; }
  .simulator-result > p { grid-column: 1 / -1; }
  .simulator-result > strong { font-size: 2.6rem; }
  .hero-card-bottom { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button, .hero-card { transition: none; }
}