/* ============================================================
   BADIA PARTNERS — design system
   Dark editorial. Bone on deep ground. Display serif + mono.
   Theme-able via [data-mood] on <html>.
   ============================================================ */

:root {
  /* shared */
  --bone:        #f2ebda;
  --bone-dim:    #e6dcc4;
  --accent:      #d8b878;          /* warm gold */
  --accent-deep: #b8965a;
  --maxw: 1760px;
  --gutter: clamp(20px, 4vw, 56px);
  --line-w: 1px;

  /* fonts (overridable by [data-font]) */
  --serif: "Spectral", Georgia, "Times New Roman", serif;
  --mono:  "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* per-mood (defaults = forest) */
  --bg:      #101b16;
  --bg-deep: #0a120e;
  --panel:   #142019;
  --muted:   #8c9c90;
  --line:    rgba(242,235,218,0.13);
  --line-strong: rgba(242,235,218,0.22);
  --grain-op: 0.05;
}

/* ---- moods ---- */
html[data-mood="forest"] {
  --bg:#101b16; --bg-deep:#0a120e; --panel:#142019;
  --muted:#8c9c90; --line:rgba(242,235,218,0.13); --line-strong:rgba(242,235,218,0.22);
}
html[data-mood="ink"] {
  --bg:#0e1521; --bg-deep:#080d16; --panel:#121b2b;
  --muted:#8893a6; --line:rgba(231,238,250,0.13); --line-strong:rgba(231,238,250,0.22);
  --bone:#eef2f8; --bone-dim:#d9e0ec;
}
html[data-mood="espresso"] {
  --bg:#17110d; --bg-deep:#0f0a07; --panel:#1f1712;
  --muted:#a59387; --line:rgba(244,233,222,0.13); --line-strong:rgba(244,233,222,0.22);
  --bone:#f4eade; --bone-dim:#e7d8c8;
}

/* ---- fonts ---- */
html[data-font="spectral"]   { --serif:"Spectral", Georgia, serif; }
html[data-font="newsreader"] { --serif:"Newsreader", Georgia, serif; }
html[data-font="caslon"]     { --serif:"Libre Caslon Display", Georgia, serif; }
/* Caslon Display is a true display face — its glyphs overflow tight line-boxes,
   so give headings extra leading to prevent collisions with following text. */
html[data-font="caslon"] h1 { line-height: 1.1; }
html[data-font="caslon"] h2,
html[data-font="caslon"] h3 { line-height: 1.14; }

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--bone);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* texture: grain + vignette, fixed behind everything */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  background:
    radial-gradient(120% 90% at 50% -10%, rgba(255,255,255,0.045), transparent 55%),
    radial-gradient(140% 120% at 50% 120%, var(--bg-deep), transparent 60%);
}
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  opacity: var(--grain-op);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

main, header, footer { position: relative; z-index: 1; }

/* ---------- typography ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: clamp(11px, 1vw, 13px);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  margin: 0 0 1.4rem;
  display: inline-flex; align-items: center; gap: 0.7em;
}
.eyebrow::before {
  content:""; width: 26px; height: 1px; background: var(--accent); opacity:.8;
}
.eyebrow.center::before { display:none; }

h1, h2, h3 { font-weight: 700; line-height: 1.02; letter-spacing: -0.015em; margin: 0; }
h1 { font-size: clamp(2.5rem, 5.6vw, 4.8rem); }
h2 { font-size: clamp(2rem, 4.4vw, 3.5rem); line-height: 1.05; }
h3 { font-size: clamp(1.3rem, 1.8vw, 1.7rem); letter-spacing: -0.01em; }

p { margin: 0 0 1.1rem; }
.lead { font-size: clamp(1.05rem, 1.5vw, 1.35rem); color: var(--bone-dim); line-height: 1.6; max-width: 60ch; }
.muted { color: var(--muted); }
.serif-em { font-style: italic; color: var(--accent); }

a { color: inherit; text-decoration: none; }

/* ---------- layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(70px, 10vw, 150px); border-top: var(--line-w) solid var(--line); }
.section-deep { background:
    linear-gradient(180deg, transparent, rgba(0,0,0,0.18)); }

/* ---------- buttons ---------- */
.btn {
  font-family: var(--mono);
  font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 0.7em;
  padding: 1.05em 1.7em;
  border: 1px solid var(--accent);
  color: var(--bg-deep); background: var(--accent);
  cursor: pointer; transition: all .22s ease;
  border-radius: 0;
}
.btn:hover { background: var(--bone); border-color: var(--bone); transform: translateY(-2px); }
.btn .arrow { transition: transform .22s ease; }
.btn:hover .arrow { transform: translateX(4px); }
.btn-ghost {
  background: transparent; color: var(--bone); border-color: var(--line-strong);
}
.btn-ghost:hover { background: transparent; border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  border-bottom: var(--line-w) solid var(--line);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px);
}
.nav {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: stretch;
  max-width: var(--maxw); margin: 0 auto;
  border-inline: var(--line-w) solid var(--line);
}
.brand {
  display: flex; flex-direction: column; justify-content: center;
  padding: 18px var(--gutter); line-height: .92;
  border-right: var(--line-w) solid var(--line);
}
.brand .b1, .brand .b2 { font-family: var(--serif); font-weight: 700; letter-spacing: .01em; font-size: clamp(20px, 2vw, 27px); }
.brand .b2 { color: var(--muted); }
.brand:hover .b2 { color: var(--accent); }

.nav-links { display: flex; align-items: stretch; }
.nav-links a {
  display: flex; align-items: center; padding: 0 clamp(14px, 2vw, 30px);
  font-family: var(--mono); font-size: 12px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--muted); border-left: var(--line-w) solid var(--line);
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--bone); background: rgba(255,255,255,0.03); }
.nav-actions { display: flex; align-items: stretch; border-left: var(--line-w) solid var(--line); }

.lang-toggle {
  display: flex; align-items: center; font-family: var(--mono); font-size: 12px;
  letter-spacing: .12em; padding: 0 18px; gap: 2px; border-right: var(--line-w) solid var(--line);
}
.lang-toggle button {
  background: none; border: none; color: var(--muted); cursor: pointer;
  font: inherit; padding: 6px 7px; transition: color .2s;
}
.lang-toggle button[aria-pressed="true"] { color: var(--accent); }
.lang-toggle .sep { color: var(--line-strong); }

.nav-cta { display: flex; align-items: center; padding-inline: clamp(16px, 2vw, 26px); }
.nav-cta .btn { padding: .8em 1.3em; font-size: 11.5px; }

.nav-burger { display: none; }
.mobile-menu { display: none; }

/* ---------- hero ---------- */
.hero { border-top: none; position: relative; overflow: hidden; }
.hero-inner { padding-block: clamp(70px, 12vh, 170px); }

/* center (default) */
.hero[data-empty] {}
html[data-hero="center"] .hero-inner { text-align: center; display: flex; flex-direction: column; align-items: center; }
html[data-hero="center"] .hero .lead { margin-inline: auto; text-align: center; }
html[data-hero="center"] .hero .eyebrow { justify-content: center; }
html[data-hero="center"] .hero-visual { margin-top: clamp(40px, 6vw, 76px); width: 100%; max-width: 760px; }

/* left */
html[data-hero="left"] .hero-inner { max-width: 16ch; }
html[data-hero="left"] .hero-inner { display: block; }
html[data-hero="left"] .hero h1 { max-width: 16ch; }
html[data-hero="left"] .hero .lead { max-width: 52ch; }
html[data-hero="left"] .hero-visual { margin-top: clamp(40px, 6vw, 72px); max-width: 820px; }

/* split */
html[data-hero="split"] .hero-inner {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(30px, 5vw, 70px); align-items: center;
}
html[data-hero="split"] .hero-visual { margin-top: 0; }
html[data-hero="split"] .hero h1 { font-size: clamp(2.4rem, 4.4vw, 4.2rem); }

.hero h1 { margin-bottom: 2rem; text-wrap: balance; }
.hero .lead { margin-bottom: 2.4rem; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
html[data-hero="center"] .hero-actions { justify-content: center; }

/* tool strip */
.toolstrip { margin-top: clamp(46px, 6vw, 80px); border-top: 1px solid var(--line); padding-top: 26px; }
.toolstrip .tslabel { font-family: var(--mono); font-size: 11px; letter-spacing: .26em; text-transform: uppercase; color: var(--muted); }
.toolstrip ul { list-style: none; display: flex; flex-wrap: wrap; gap: clamp(20px, 4vw, 56px); padding: 14px 0 0; margin: 0; }
.toolstrip li { font-family: var(--serif); font-weight: 700; font-size: clamp(18px, 2vw, 24px); color: var(--bone-dim); opacity: .85; }
html[data-hero="center"] .toolstrip ul { justify-content: center; }
html[data-hero="center"] .toolstrip .tslabel { display: block; text-align: center; }

/* agent visual card (echo of reference terminal) */
.agent-card {
  border: 1px solid var(--line-strong); background: var(--bg-deep);
  width: 100%;
}
.agent-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted);
}
.agent-dots { display: flex; gap: 6px; }
.agent-dots span { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); }
.agent-body { padding: 18px 18px 20px; font-family: var(--mono); font-size: 13.5px; line-height: 1.85; }
.agent-body .ln { display: flex; gap: 10px; }
.agent-body .tag { color: var(--accent); flex: none; }
.agent-body .dim { color: var(--muted); }
.agent-arrow { color: var(--accent); margin: 10px 0; letter-spacing: .2em; font-size: 11px; }
.agent-out { color: var(--bone); }
.agent-foot {
  border-top: 1px solid var(--line); padding: 12px 16px; display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
}
.agent-foot b { color: var(--accent); font-weight: 500; }

/* ---------- generic blocks ---------- */
.sec-head { max-width: 60ch; margin-bottom: clamp(40px, 5vw, 70px); }
.sec-head.wide { max-width: 24ch; }
.sec-head h2 { text-wrap: balance; }
.sec-head p { margin-top: 1.4rem; }

/* problem */
.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 64px); align-items: start; }
.problem-lead h2 { text-wrap: balance; }
.pain-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.pain-list li {
  display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: baseline;
  padding: 22px 0; border-top: 1px solid var(--line);
}
.pain-list li:last-child { border-bottom: 1px solid var(--line); }
.pain-list .pn { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: .1em; }
.pain-list p { margin: 0; color: var(--bone-dim); }
.pain-kicker { color: var(--bone); font-weight: 700; }

/* services */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--line); }
.svc {
  padding: clamp(26px, 2.6vw, 40px); border-left: 1px solid var(--line);
  display: flex; flex-direction: column; min-height: 100%;
  transition: background .25s;
}
.svc:first-child { border-left: none; }
.svc:hover { background: rgba(255,255,255,0.022); }
.svc .svc-step { font-family: var(--mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); margin-bottom: 22px; display:flex; justify-content:space-between; }
.svc .price { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: .08em; }
.svc h3 { margin-bottom: 14px; text-wrap: balance; }
.svc .svc-desc { color: var(--bone-dim); font-size: .98rem; margin-bottom: 22px; }
.svc .deliver { list-style: none; margin: 0 0 22px; padding: 0; font-family: var(--mono); font-size: 12.5px; color: var(--muted); display: grid; gap: 9px; margin-top: auto; }
.svc .deliver li { display: flex; gap: 10px; }
.svc .deliver li::before { content: "—"; color: var(--accent); }
.svc.highlight { background: rgba(216,184,120,0.06); }
.svc.highlight .price { color: var(--accent); }

/* process */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); }
.step { padding: 36px 28px 40px; border-left: 1px solid var(--line); position: relative; }
.step:first-child { border-left: none; padding-left: 0; }
.step .snum { font-family: var(--serif); font-weight: 700; font-size: clamp(2.4rem,4vw,3.4rem); color: var(--accent); line-height: 1; opacity:.9; }
.step h3 { margin: 18px 0 12px; }
.step p { color: var(--bone-dim); font-size: .95rem; margin: 0 0 14px; }
.step .deliverable { font-family: var(--mono); font-size: 11.5px; letter-spacing: .04em; color: var(--muted); border-top: 1px solid var(--line); padding-top: 14px; }
.step .deliverable b { color: var(--bone); font-weight: 500; }

/* example implementations */
.vert-label { font-family: var(--mono); font-size: 12px; letter-spacing: .24em; text-transform: uppercase; color: var(--accent); margin: 48px 0 0; padding-top: 26px; border-top: 1px solid var(--line-strong); }
.cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.case { padding: 30px 28px 32px; border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.case:first-child { border-left: none; }
.case .ctool { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: 18px; }
.case h3 { font-size: 1.25rem; margin-bottom: 18px; text-wrap: balance; }
.case .cstep { margin-bottom: 16px; }
.case .cstep .lbl { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 5px; }
.case .cstep p { margin: 0; color: var(--bone-dim); font-size: .94rem; }
.case .result { border-top: 1px solid var(--line); padding-top: 16px; margin-top: 4px; }
.case .result .big { font-family: var(--serif); font-weight: 700; font-size: 1.5rem; color: var(--bone); display:block; }
.case .result .cap { font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: .04em; }
.disclaimer { font-family: var(--mono); font-size: 11.5px; color: var(--muted); letter-spacing: .03em; margin-top: 28px; max-width: 70ch; }

/* about / method */
.method-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border: 1px solid var(--line); }
.principle { padding: clamp(26px,2.6vw,40px); border-left: 1px solid var(--line); border-top: 1px solid var(--line); }
.principle:nth-child(-n+2) { border-top: none; }
.principle:nth-child(odd) { border-left: none; }
.principle .pk { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: .14em; margin-bottom: 14px; }
.principle h3 { font-size: 1.35rem; margin-bottom: 10px; }
.principle p { color: var(--bone-dim); font-size: .96rem; margin: 0; }

.team-slot {
  margin-top: 40px; border: 1px dashed var(--line-strong); padding: 28px 30px;
  display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
  background: repeating-linear-gradient(45deg, transparent, transparent 9px, rgba(255,255,255,0.012) 9px, rgba(255,255,255,0.012) 18px);
}
.team-slot .ph { width: 64px; height: 64px; border-radius: 50%; background: var(--panel); border: 1px solid var(--line-strong); flex: none; }
.team-slot .tnote { font-family: var(--mono); font-size: 12.5px; color: var(--muted); letter-spacing: .03em; line-height: 1.7; }

/* final CTA */
.cta-final { text-align: center; border-top: 1px solid var(--line-strong); background: linear-gradient(180deg, transparent, rgba(216,184,120,0.04)); }
.cta-final .eyebrow { justify-content: center; }
.cta-final h2 { max-width: 18ch; margin: 0 auto 1.5rem; text-wrap: balance; }
.cta-final .lead { margin: 0 auto 2.4rem; text-align: center; }
.cta-final .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-final .reassure { font-family: var(--mono); font-size: 12px; color: var(--muted); letter-spacing: .04em; margin-top: 26px; }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding-block: 54px 40px; }
.foot-grid { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; align-items: flex-start; }
.foot-brand .b1 { font-family: var(--serif); font-weight: 700; font-size: 24px; line-height: .95; }
.foot-brand .b2 { color: var(--muted); }
.foot-brand p { font-family: var(--mono); font-size: 12px; color: var(--muted); margin-top: 14px; letter-spacing: .03em; max-width: 34ch; line-height: 1.7; }
.foot-cols { display: flex; gap: clamp(36px, 6vw, 80px); flex-wrap: wrap; }
.foot-col h4 { font-family: var(--mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--accent); margin: 0 0 16px; font-weight: 500; }
.foot-col a { display: block; font-family: var(--mono); font-size: 13px; color: var(--muted); padding: 5px 0; letter-spacing: .03em; }
.foot-col a:hover { color: var(--bone); }
.foot-bottom { margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: .06em; }

/* reveal animation */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .svc-grid, .cases { grid-template-columns: 1fr; }
  .svc, .case { border-left: none; border-top: 1px solid var(--line); }
  .svc:first-child, .case:first-child { border-top: none; }
  .case:first-child { border-top: none; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step { border-left: 1px solid var(--line); padding-left: 24px; }
  .step:first-child { padding-left: 24px; }
  .step:nth-child(odd) { border-left: none; padding-left: 0; }
}
@media (max-width: 860px) {
  html[data-hero="split"] .hero-inner { grid-template-columns: 1fr; }
  .problem-grid { grid-template-columns: 1fr; gap: 30px; }
  .method-grid { grid-template-columns: 1fr; }
  .principle { border-left: none; border-top: 1px solid var(--line); }
  .principle:nth-child(2) { border-top: 1px solid var(--line); }
  .nav-links { display: none; }
  .nav-burger {
    display: flex; align-items: center; padding: 0 var(--gutter);
    border-left: 1px solid var(--line); background: none; color: var(--bone); cursor: pointer;
    font-family: var(--mono); font-size: 12px; letter-spacing: .2em; text-transform: uppercase;
  }
  .nav { grid-template-columns: 1fr auto; }
  .nav-actions { display: none; }
  .nav.open { grid-template-columns: 1fr; }
  .mobile-menu { display: none; }
  .mobile-menu.show { display: block; border-top: 1px solid var(--line); }
  .mobile-menu a { display: block; padding: 16px var(--gutter); border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: 13px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
  .mobile-menu .row { display: flex; gap: 12px; padding: 16px var(--gutter); align-items: center; }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .step, .step:nth-child(odd) { border-left: none; padding-left: 0; border-top: 1px solid var(--line); }
  .step:first-child { border-top: none; }
  body { font-size: 17px; }
}

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; opacity: 1; transform: none; }
  .btn, .btn .arrow { transition: none; }
}

/* ============================================================
   IMPLEMENTATIONS JOURNAL — index + paper reader
   ============================================================ */

/* ---- journal intro ---- */
.journal-hero { border-top: none; padding-block: clamp(64px, 9vw, 120px) clamp(30px,4vw,48px); }
.journal-hero .eyebrow { justify-content: flex-start; }
.journal-hero h1 { max-width: 16ch; margin-bottom: 1.6rem; text-wrap: balance; }
.journal-hero .lead { max-width: 60ch; }
.journal-hero .disclaimer { margin-top: 26px; max-width: 78ch; }

/* ---- filter bar ---- */
.filter-bar { display: flex; gap: 0; border-block: 1px solid var(--line); position: sticky; top: 73px; z-index: 30; background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(8px); }
.filter-bar .wrap-flex { display: flex; max-width: var(--maxw); margin: 0 auto; width: 100%; }
.filter-bar button {
  font-family: var(--mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--muted); background: none; border: none; border-left: 1px solid var(--line);
  padding: 18px clamp(16px,2.4vw,32px); cursor: pointer; transition: color .2s, background .2s;
}
.filter-bar button:first-child { border-left: none; }
.filter-bar button:hover { color: var(--bone); }
.filter-bar button[aria-pressed="true"] { color: var(--accent); background: rgba(216,184,120,0.05); }
.filter-bar .count { color: var(--muted); margin-left: auto; display: flex; align-items: center; padding-right: var(--gutter); font-family: var(--mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; }

/* ---- paper "thumbnail" motif (CSS document) ---- */
.paper-thumb {
  position: relative; background: var(--bg-deep); border: 1px solid var(--line-strong);
  aspect-ratio: 3 / 4; overflow: hidden; flex: none;
}
.paper-thumb::before {
  content: ""; position: absolute; inset: 14% 16%;
  background-image:
    linear-gradient(var(--line-strong) 1px, transparent 1px);
  background-size: 100% 13px; opacity: .5;
}
.paper-thumb .pt-no { position: absolute; top: 14%; left: 16%; right: 16%; height: 22%;
  display: flex; align-items: flex-end; }
.paper-thumb .pt-no span { font-family: var(--serif); font-weight: 800; font-size: clamp(2rem,4vw,3.4rem); color: var(--accent); line-height: .8; }
.paper-thumb .pt-tag { position: absolute; bottom: 12%; left: 16%; font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }

/* ---- featured paper ---- */
.featured-paper { display: grid; grid-template-columns: 280px 1fr; gap: clamp(28px,4vw,60px); padding-block: clamp(40px,5vw,64px); border-bottom: 1px solid var(--line); align-items: center; }
.featured-paper .fp-thumb { width: 280px; }
.featured-paper .fp-flag { font-family: var(--mono); font-size: 11px; letter-spacing: .24em; text-transform: uppercase; color: var(--accent); margin-bottom: 18px; display: flex; align-items: center; gap: .7em; }
.featured-paper .fp-flag::before { content:""; width: 24px; height: 1px; background: var(--accent); }
.featured-paper h2 { font-size: clamp(1.8rem,3.2vw,2.8rem); margin-bottom: 18px; text-wrap: balance; }
.featured-paper .dek { color: var(--bone-dim); font-size: 1.1rem; max-width: 56ch; margin-bottom: 24px; line-height: 1.5; }
.fp-meta, .pe-meta { font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; color: var(--muted); display: flex; flex-wrap: wrap; gap: 10px 18px; }
.fp-meta .dot, .pe-meta .dot { color: var(--line-strong); }
.featured-paper .read-link { margin-top: 26px; }

/* ---- read link ---- */
.read-link { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); display: inline-flex; align-items: center; gap: .6em; }
.read-link .arrow { transition: transform .2s; }
a.paper-entry:hover .read-link .arrow, .read-link:hover .arrow { transform: translateX(4px); }

/* ---- paper list ---- */
.paper-list { display: block; }
a.paper-entry {
  display: grid; grid-template-columns: 64px 1fr 200px; gap: clamp(20px,3vw,48px);
  padding: clamp(28px,3.4vw,44px) 0; border-bottom: 1px solid var(--line); align-items: start;
  transition: background .22s; color: inherit;
}
a.paper-entry:hover { background: rgba(255,255,255,0.018); }
.paper-entry .pe-no { font-family: var(--serif); font-weight: 700; font-size: 1.5rem; color: var(--muted); line-height: 1; }
.paper-entry:hover .pe-no { color: var(--accent); }
.paper-entry .pe-vert { font-family: var(--mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.paper-entry h3 { font-size: clamp(1.3rem,2vw,1.85rem); margin-bottom: 12px; text-wrap: balance; transition: color .2s; }
.paper-entry .pe-dek { color: var(--bone-dim); font-size: 1rem; max-width: 60ch; margin-bottom: 16px; line-height: 1.5; }
.paper-entry .pe-side { text-align: right; }
.paper-entry .pe-metric { font-family: var(--serif); font-weight: 700; font-size: 1.7rem; color: var(--bone); line-height: 1; display: block; }
.paper-entry .pe-metric-cap { font-family: var(--mono); font-size: 10.5px; letter-spacing: .04em; color: var(--muted); display: block; margin-top: 8px; max-width: 24ch; margin-left: auto; }
.paper-entry .pe-read { margin-top: 22px; display: inline-flex; }

/* ---- paper reader ---- */
.paper-reader { padding-block: clamp(48px,6vw,90px); }
.paper-shell { max-width: 760px; margin: 0 auto; }
.paper-back { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); display: inline-flex; gap: .6em; align-items: center; margin-bottom: clamp(36px,5vw,56px); }
.paper-back:hover { color: var(--accent); }
.paper-masthead { font-family: var(--mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--accent); display: flex; flex-wrap: wrap; gap: 8px 16px; margin-bottom: 24px; }
.paper-masthead .dim { color: var(--muted); }
.paper-reader h1 { font-size: clamp(2rem,4vw,3.1rem); line-height: 1.05; margin-bottom: 22px; text-wrap: balance; }
.paper-dek { font-size: clamp(1.1rem,1.6vw,1.35rem); color: var(--bone-dim); line-height: 1.5; margin-bottom: 30px; max-width: 60ch; }
.paper-byline { display: flex; flex-wrap: wrap; gap: 8px 18px; font-family: var(--mono); font-size: 11.5px; letter-spacing: .06em; color: var(--muted); padding-block: 18px; border-block: 1px solid var(--line); margin-bottom: clamp(36px,5vw,52px); }
.paper-byline .dot { color: var(--line-strong); }
.paper-byline b { color: var(--bone); font-weight: 500; }

.paper-abstract { border-left: 2px solid var(--accent); padding: 4px 0 4px 24px; margin-bottom: clamp(38px,5vw,56px); }
.paper-abstract .lbl { font-family: var(--mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.paper-abstract p { font-size: 1.12rem; line-height: 1.65; color: var(--bone-dim); margin: 0; font-style: italic; }

.paper-section { margin-bottom: clamp(34px,4.5vw,50px); }
.paper-section > .lbl { font-family: var(--mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; display: flex; align-items: center; gap: .7em; }
.paper-section > .lbl::before { content: ""; width: 18px; height: 1px; background: var(--accent); }
.paper-section h2 { font-size: clamp(1.4rem,2.2vw,1.9rem); margin-bottom: 16px; }
.paper-section p { font-size: 1.08rem; line-height: 1.7; color: var(--bone-dim); margin-bottom: 1.1rem; }
.paper-section p:last-child { margin-bottom: 0; }

.paper-steps { list-style: none; counter-reset: ps; margin: 0; padding: 0; display: grid; gap: 0; }
.paper-steps li { counter-increment: ps; display: grid; grid-template-columns: auto 1fr; gap: 18px; padding: 18px 0; border-top: 1px solid var(--line); align-items: baseline; }
.paper-steps li:last-child { border-bottom: 1px solid var(--line); }
.paper-steps li::before { content: counter(ps, decimal-leading-zero); font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: .05em; }
.paper-steps li span { color: var(--bone-dim); font-size: 1.05rem; line-height: 1.6; }

.paper-build { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.paper-build li { display: grid; grid-template-columns: auto 1fr; gap: 14px; color: var(--bone-dim); font-size: 1.05rem; line-height: 1.55; align-items: baseline; }
.paper-build li::before { content: "—"; color: var(--accent); }

.paper-figure { border: 1px solid var(--line-strong); background: var(--bg-deep); padding: clamp(28px,4vw,44px); text-align: center; margin-bottom: clamp(34px,4.5vw,50px); }
.paper-figure .big { font-family: var(--serif); font-weight: 800; font-size: clamp(2.6rem,6vw,4.2rem); color: var(--accent); line-height: 1; display: block; }
.paper-figure .cap { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-top: 16px; display: block; }

.paper-needs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.paper-needs span { font-family: var(--mono); font-size: 12px; letter-spacing: .03em; color: var(--bone-dim); border: 1px solid var(--line-strong); padding: 9px 14px; }

.paper-foot { font-family: var(--mono); font-size: 11.5px; color: var(--muted); line-height: 1.7; letter-spacing: .02em; border-top: 1px solid var(--line); padding-top: 22px; margin-top: clamp(36px,5vw,52px); }

.paper-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; border: 1px solid var(--line); margin-top: clamp(40px,5vw,60px); background: var(--line); }
.paper-nav a { background: var(--bg); padding: 26px 28px; transition: background .2s; }
.paper-nav a:hover { background: var(--panel); }
.paper-nav .dir { font-family: var(--mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; display: block; }
.paper-nav .ptitle { color: var(--bone-dim); font-size: 1.02rem; line-height: 1.4; }
.paper-nav a.next { text-align: right; }
.paper-nav a.disabled { opacity: .35; pointer-events: none; }

/* journal CTA reuse cta-final spacing */
.journal-cta { text-align: center; }

@media (max-width: 900px) {
  .featured-paper { grid-template-columns: 1fr; }
  .featured-paper .fp-thumb { width: 200px; }
  a.paper-entry { grid-template-columns: 40px 1fr; }
  .paper-entry .pe-side { grid-column: 2; text-align: left; margin-top: 6px; }
  .paper-entry .pe-metric-cap { margin-left: 0; }
  .paper-entry .pe-side .pe-metric-cap { text-align: left; }
  .filter-bar { top: 0; }
  .paper-nav { grid-template-columns: 1fr; }
  .paper-nav a.next { text-align: left; }
}
@media (max-width: 560px) {
  .filter-bar .wrap-flex { flex-wrap: wrap; }
  .filter-bar .count { display: none; }
}
