:root {
  --obsidian: #070a0e;
  --navy: #0b1828;
  --navy-light: #11263f;
  --ivory: #fff7ea;
  --ivory-deep: #efe4d2;
  --gold: #e0b45f;
  --gold-deep: #916a2f;
  --graphite: #1b2027;
  --muted: #766e64;
  --line: rgba(27, 32, 39, .15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { margin: 0; overflow-x: hidden; background: var(--obsidian); color: var(--ivory); font-family: Inter, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { display: block; max-width: 100%; }
::selection { background: var(--gold); color: var(--obsidian); }
.shell { width: min(1320px, calc(100% - 48px)); margin: auto; }
.mono { font-family: "JetBrains Mono", monospace; text-transform: uppercase; letter-spacing: .16em; }
.skip { position: fixed; left: 20px; top: -80px; z-index: 100; padding: 12px 16px; background: var(--gold); color: var(--obsidian); text-decoration: none; font-weight: 600; }
.skip:focus { top: 16px; }

.glass { position: relative; overflow: hidden; contain: paint; background: linear-gradient(135deg, rgba(255,247,234,.13), rgba(255,255,255,.025) 48%), rgba(7,10,14,.79); border: 1px solid rgba(255,247,234,.18); box-shadow: inset 0 1px 0 rgba(255,255,255,.25), inset 0 -1px 0 rgba(255,255,255,.06), 0 22px 65px rgba(0,0,0,.28); -webkit-backdrop-filter: blur(14px) saturate(1.45) brightness(1.05); backdrop-filter: blur(14px) saturate(1.45) brightness(1.05); }
.glass::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(circle at 18% 0, rgba(255,255,255,.27), transparent 27%), linear-gradient(118deg, transparent 20%, rgba(255,255,255,.07) 42%, transparent 66%); opacity: .72; }
.glass > * { position: relative; z-index: 1; }

header { position: fixed; inset: 18px 0 auto; z-index: 30; }
.nav { min-height: 62px; padding: 10px 12px 10px 20px; border-radius: 999px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.brand img { height: 32px; width: auto; }
.brand span { color: #c8bdab; font-size: 9px; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: #d2c8b8; font-size: 11px; text-decoration: none; }
.nav-links a[aria-current="page"], .nav-links a:hover { color: var(--gold); }
.mobile-menu { display: none; position: relative; }
.mobile-menu summary { list-style: none; cursor: pointer; border: 1px solid rgba(224,180,95,.34); border-radius: 999px; padding: 10px 14px; color: #eadfce; font-size: 11px; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu div { position: absolute; right: 0; top: 48px; min-width: 190px; padding: 10px; border-radius: 16px; display: grid; gap: 4px; }
.mobile-menu a { padding: 10px 12px; color: #eadfce; font-size: 12px; text-decoration: none; border-radius: 9px; }

.hero { min-height: 96svh; position: relative; display: flex; align-items: flex-end; overflow: hidden; background: var(--navy); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(4,8,13,.98) 0%, rgba(4,8,13,.88) 42%, rgba(4,8,13,.25) 69%, rgba(4,8,13,.12) 100%), linear-gradient(0deg, rgba(4,8,13,.98) 0%, rgba(4,8,13,.35) 46%, transparent 76%); }
.hero::after { content: ""; position: absolute; z-index: 2; left: -5vw; bottom: 12%; width: 54vw; height: 2px; background: linear-gradient(90deg, transparent, var(--gold) 25%, rgba(224,180,95,.14)); transform: rotate(-5deg); box-shadow: 0 0 18px rgba(224,180,95,.32); }
.hero-media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-inner { position: relative; z-index: 3; padding: 154px 0 70px; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 0 0 32px; color: #c2b7a6; font-size: 9px; }
.breadcrumb a { text-decoration: none; }
.breadcrumb span { color: var(--gold); }
.hero h1 { max-width: 970px; margin: 0; font: 500 clamp(49px, 6.45vw, 94px)/.9 "Cormorant Garamond", serif; letter-spacing: -.043em; text-wrap: balance; }
.hero h1 em { color: #e4c789; font-weight: 400; }
.dek { max-width: 830px; margin: 30px 0 28px; color: #e3d8c7; font: 500 clamp(18px, 2vw, 26px)/1.36 "Cormorant Garamond", serif; }
.byline { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; color: #ada395; font-size: 11px; }
.byline strong { color: #f1e7d7; font-weight: 500; }
.byline span:not(:first-child) { position: relative; }
.byline span:not(:first-child)::before { content: ""; position: absolute; left: -14px; top: 50%; width: 3px; height: 3px; border-radius: 50%; background: var(--gold); }

.paper { position: relative; padding: clamp(76px, 9vw, 126px) 0; background: var(--ivory); color: var(--graphite); }
.paper::before { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 9px; background: linear-gradient(90deg, var(--gold), var(--gold-deep) 35%, transparent 70%); }
.article-layout { display: grid; grid-template-columns: 190px minmax(0, 760px) minmax(190px, 1fr); gap: clamp(36px, 5vw, 74px); align-items: start; }
.article-side, .confidence { position: sticky; top: 112px; }
.side-label, .confidence h2 { margin: 0 0 18px; color: var(--gold-deep); font-size: 9px; }
.side-rule { height: 1px; margin-bottom: 20px; background: var(--line); }
.side-copy { margin: 0; color: #433c35; font: 500 20px/1.3 "Cormorant Garamond", serif; }
.side-link { display: inline-block; margin-top: 22px; color: #6e532c; font-size: 11px; text-underline-offset: 4px; }
.confidence { padding-left: 24px; border-left: 1px solid rgba(145,106,47,.34); }
.confidence-item { margin: 0 0 16px; padding: 0 0 16px; border-bottom: 1px solid rgba(27,32,39,.11); }
.confidence-item:last-child { border: 0; }
.confidence-item strong { display: block; margin-bottom: 7px; color: #29242b; font-size: 11px; line-height: 1.35; }
.grade { display: inline-flex; align-items: center; gap: 7px; color: #756a5e; font: 500 8px "JetBrains Mono", monospace; letter-spacing: .12em; text-transform: uppercase; }
.grade::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #a97936; box-shadow: 0 0 0 4px rgba(169,121,54,.1); }
.grade.low::before { background: #7a7369; box-shadow: 0 0 0 4px rgba(122,115,105,.1); }

.prose { min-width: 0; }
.lead { margin: 0 0 28px; color: #302a25; font: 500 clamp(25px, 3vw, 34px)/1.32 "Cormorant Garamond", serif; }
.lead:first-letter { float: left; margin: .08em .09em 0 0; color: var(--gold-deep); font: 500 5.2em/.73 "Cormorant Garamond", serif; }
.prose p { margin: 0 0 26px; color: #49423b; font-size: 17px; line-height: 1.85; }
.prose h2 { margin: 78px 0 28px; color: #1f1b20; font: 600 clamp(37px, 4.6vw, 52px)/1 "Cormorant Garamond", serif; letter-spacing: -.025em; text-wrap: balance; }
.prose h3 { margin: 44px 0 18px; font: 600 28px/1.15 "Cormorant Garamond", serif; }
.prose a { color: #75551f; text-decoration-color: rgba(117,85,31,.38); text-underline-offset: 4px; }
.prose ol, .prose ul { margin: 0 0 34px; padding-left: 24px; }
.prose li { margin: 0 0 12px; padding-left: 5px; color: #4d463f; font-size: 16px; line-height: 1.68; }
.pullquote { margin: 58px 0; padding: 37px 0; border-top: 1px solid rgba(145,106,47,.42); border-bottom: 1px solid rgba(145,106,47,.42); color: #2a2421; font: 500 clamp(30px, 4vw, 45px)/1.08 "Cormorant Garamond", serif; }
.pullquote em { color: #916725; font-weight: 400; }
.evidence { margin: 42px 0; padding: 28px 30px; background: #eee2cf; border-left: 3px solid #aa813e; }
.evidence .mono { display: block; margin-bottom: 12px; color: #846633; font-size: 9px; }
.evidence p { margin: 0; color: #4d443a; font-size: 15px; line-height: 1.7; }

.article-figure { width: 100%; margin: 58px 0 68px; }
.paper-panel { padding: 9px; background: var(--navy); border: 1px solid rgba(224,180,95,.26); box-shadow: 0 22px 52px rgba(27,32,39,.18); }
.paper-panel img { width: 100%; height: auto; background: #fff; }
.article-figure figcaption { display: grid; grid-template-columns: 190px minmax(0,1fr); gap: 22px; margin-top: 14px; padding-top: 15px; border-top: 1px solid rgba(27,32,39,.1); color: #756d64; font-size: 11px; line-height: 1.6; }
.article-figure figcaption .mono { color: #865f27; font-size: 8px; }

.three-numbers { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1px; margin: 36px 0 54px; background: rgba(27,32,39,.16); border: 1px solid rgba(27,32,39,.16); }
.three-numbers article { padding: 24px; background: #fbf2e4; }
.three-numbers span { display: block; margin-bottom: 13px; color: #8a652c; font-size: 8px; }
.three-numbers h3 { margin: 0 0 10px; font-size: 24px; }
.three-numbers p { margin: 0; font-size: 13px; line-height: 1.62; }

.model-compare { position: relative; overflow: hidden; margin: 42px 0 16px; padding: clamp(25px,5vw,46px); background: radial-gradient(circle at 88% 10%, rgba(224,180,95,.15), transparent 32%), var(--navy); color: var(--ivory); border: 1px solid rgba(224,180,95,.26); box-shadow: 0 22px 52px rgba(27,32,39,.18); }
.model-compare::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(145deg, rgba(255,255,255,.035), transparent 48%); }
.model-compare > * { position: relative; }
.model-head { max-width: 620px; margin-bottom: 30px; }
.model-head .mono { display: block; margin-bottom: 10px; color: var(--gold); font-size: 8px; }
.model-head h3 { margin: 0; color: var(--ivory); font-size: clamp(29px,4vw,43px); }
.model-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.model-card { padding: 22px; background: rgba(255,247,234,.055); border: 1px solid rgba(255,247,234,.14); }
.model-card h4 { margin: 0 0 8px; color: #f0e5d4; font: 600 24px/1.1 "Cormorant Garamond", serif; }
.model-card > p { min-height: 40px; margin: 0 0 20px; color: #afa597; font-size: 11px; line-height: 1.55; }
.budget { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; align-items: end; }
.day { display: flex; min-height: 176px; flex-direction: column-reverse; border: 1px solid rgba(255,247,234,.17); background: rgba(7,10,14,.38); }
.day span { display: grid; place-items: center; min-height: 30px; padding: 6px; border-top: 1px solid rgba(255,247,234,.12); color: #d9cdbc; font: 500 7px/1.25 "JetBrains Mono", monospace; text-align: center; text-transform: uppercase; letter-spacing: .08em; }
.day .activity { min-height: var(--activity); background: linear-gradient(180deg, rgba(224,180,95,.52), rgba(145,106,47,.58)); color: #fff5df; }
.day .other { min-height: var(--other); }
.day-label { margin-top: 9px; color: #8f877a; font: 500 7px "JetBrains Mono", monospace; text-align: center; text-transform: uppercase; letter-spacing: .1em; }
.model-caption { margin: 14px 0 0; color: #756d64; font-size: 11px; line-height: 1.62; }

.hypotheses { counter-reset: step; display: grid; gap: 0; margin: 35px 0 52px; border-top: 1px solid var(--line); padding: 0 !important; }
.hypotheses li { counter-increment: step; list-style: none; display: grid; grid-template-columns: 52px minmax(0,1fr); gap: 20px; margin: 0; padding: 21px 0; border-bottom: 1px solid var(--line); }
.hypotheses li::before { content: counter(step, decimal-leading-zero); padding-top: 4px; color: #98732f; font: 500 11px "JetBrains Mono", monospace; letter-spacing: .08em; }

.decision { margin: 44px 0 60px; border: 1px solid rgba(27,32,39,.16); background: #fbf2e4; }
.decision h3 { margin: 0; padding: 24px 26px; background: var(--navy); color: var(--ivory); font-size: 30px; }
.decision ul { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); margin: 0; padding: 0; list-style: none; }
.decision li { margin: 0; padding: 18px 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 13px; line-height: 1.62; }
.decision li:nth-child(even) { border-right: 0; }

.related { margin-top: 74px; padding: 30px; background: #eee2cf; border-left: 3px solid #aa813e; }
.related h2 { margin: 0 0 20px; font-size: 34px; }
.related ul { margin: 0; }

.references { margin-top: 90px; }
.references-head { display: flex; align-items: end; justify-content: space-between; gap: 28px; padding: 0 0 24px; border-bottom: 1px solid rgba(27,32,39,.22); }
.references-kicker { display: block; margin: 0 0 12px; color: #865f27; font-size: 8px; }
.references h2 { margin: 0; font-size: clamp(38px,4.4vw,50px); }
.references-count { padding: 8px 11px; border: 1px solid rgba(145,106,47,.3); color: #795d32; font: 500 8px "JetBrains Mono", monospace; letter-spacing: .13em; text-transform: uppercase; }
.references ol { display: grid; gap: 10px; margin: 18px 0 0; padding: 0; list-style: none; counter-reset: ref; }
.references li { counter-increment: ref; display: grid; grid-template-columns: 42px minmax(0,1fr); gap: 18px; margin: 0; padding: 21px 22px; border: 1px solid rgba(27,32,39,.12); background: rgba(255,255,255,.3); }
.references li::before { content: counter(ref, decimal-leading-zero); display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid rgba(145,106,47,.34); border-radius: 50%; color: #865f27; font: 500 9px "JetBrains Mono", monospace; }
.references a { color: #393239; font: 500 14px/1.58 Inter, sans-serif; text-decoration: none; }
.references a:hover { color: #75551f; text-decoration: underline; text-underline-offset: 4px; }
.source-note { margin: 20px 0 0; padding: 17px 19px; background: #eee3d2; border-left: 2px solid #a9823b; color: #6d645a; font-size: 12px !important; line-height: 1.65; }

.article-end { padding: clamp(72px,9vw,120px) 0; background: radial-gradient(circle at 80% 12%, rgba(224,180,95,.12), transparent 30%), linear-gradient(145deg,#111f31,#070a0e); }
.end-grid { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 50px; align-items: end; }
.end-grid .mono { margin: 0 0 18px; color: var(--gold); font-size: 9px; }
.end-grid h2 { max-width: 800px; margin: 0; font: 500 clamp(43px,6vw,76px)/.95 "Cormorant Garamond", serif; }
.end-grid a { display: inline-flex; padding: 13px 20px; border-radius: 999px; background: linear-gradient(135deg,#eccd8c,#c89b50); color: var(--obsidian); font-size: 13px; font-weight: 600; text-decoration: none; white-space: nowrap; }
footer { padding: 30px 0 42px; border-top: 1px solid rgba(255,247,234,.09); color: #756d62; }
.foot { display: flex; align-items: center; justify-content: space-between; gap: 30px; font-size: 11px; }
.foot img { width: auto; height: 30px; }

:is(a,button,summary):focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }
@media (prefers-contrast: more) { .glass { background: rgba(7,10,14,.94); border-color: rgba(255,255,255,.55); -webkit-backdrop-filter: none; backdrop-filter: none; } }
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) { .glass { background: rgba(7,10,14,.94); } }

@media (max-width: 1080px) {
  .article-layout { grid-template-columns: minmax(0,1fr) minmax(190px,.35fr); }
  .article-side { display: none; }
  .three-numbers { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .shell { width: min(100% - 32px, 1320px); }
  header { inset: 10px 0 auto; }
  .nav { border-radius: 20px; }
  .brand span, .nav-links { display: none; }
  .mobile-menu { display: block; }
  .hero { min-height: 780px; }
  .hero::before { background: linear-gradient(0deg, rgba(4,8,13,.99) 0%, rgba(4,8,13,.93) 48%, rgba(4,8,13,.48) 76%, rgba(4,8,13,.12) 100%); }
  .hero::after { left: -28vw; bottom: 28%; width: 92vw; }
  .hero-inner { padding: 124px 0 52px; }
  .article-layout { grid-template-columns: 1fr; }
  .confidence { position: static; order: 1; margin: 0 0 55px; padding: 24px; border: 1px solid rgba(145,106,47,.28); }
  .prose { order: 2; }
  .prose p { font-size: 16px; line-height: 1.78; }
  .model-grid, .decision ul { grid-template-columns: 1fr; }
  .decision li { border-right: 0; }
  .article-figure figcaption { grid-template-columns: 1fr; gap: 7px; }
  .end-grid { grid-template-columns: 1fr; align-items: start; }
  .foot { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 520px) {
  .hero { min-height: 790px; }
  .hero h1 { font-size: 45px; }
  .breadcrumb { margin-bottom: 22px; }
  .dek { font-size: 20px; }
  .byline { gap: 8px 20px; }
  .lead { font-size: 27px; }
  .lead:first-letter { font-size: 4.6em; }
  .prose h2 { margin-top: 64px; font-size: 38px; }
  .pullquote { font-size: 31px; }
  .model-compare { width: calc(100% + 16px); margin-left: -8px; padding: 23px 16px; }
  .model-card { padding: 18px 14px; }
  .day span { font-size: 6px; }
  .references-head { align-items: start; }
  .references li { grid-template-columns: 34px minmax(0,1fr); gap: 13px; padding: 18px 15px; }
  .end-grid a { width: 100%; justify-content: center; }
}