/* HunarLab institutional front door. Tokens are reusable across future pages. */
:root {
  --color-paper: #ffffff;
  --color-ink: #0b192c;
  --color-muted: #526173;
  --color-accent: #006678;
  --color-accent-light: #d9f7fb;
  --color-line: #dbe4eb;
  --color-surface: #f1f6fa;
  --font-sans: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --content-width: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--color-paper); color: var(--color-ink); font: 16px/1.7 var(--font-sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 6px; border-radius: 2px; }
a:hover { color: var(--color-accent); }
.container { width: 100%; max-width: var(--content-width); margin-inline: auto; padding-inline: 40px; }
.section { padding-block: 100px; }
.eyebrow { margin: 0 0 25px; font-size: 10px; font-weight: 650; letter-spacing: 2px; line-height: 1.5; }
h1, h2, h3, p { overflow-wrap: break-word; }
h1, h2, h3 { margin: 0; font-weight: 550; }
h1 { font-size: clamp(47px, 5.15vw, 67px); line-height: 1.08; letter-spacing: -3px; }
h2 { font-size: clamp(32px, 3.45vw, 44px); line-height: 1.15; letter-spacing: -1.7px; }
h3 { font-size: 24px; line-height: 1.3; letter-spacing: -.5px; }
p { margin: 0 0 20px; }
.skip-link { position: absolute; left: 10px; top: -100px; padding: 12px 18px; background: var(--color-ink); color: white; z-index: 10; }
.skip-link:focus { top: 10px; }
.site-header { border-bottom: 1px solid var(--color-line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 100px; gap: 30px; }
.brand { display: flex; align-items: center; gap: 12px; line-height: 1.1; }
.brand strong { font-size: 26px; letter-spacing: -1px; font-weight: 650; }
.brand small { display: block; margin-top: 8px; font-size: 10px; letter-spacing: .8px; }
.brand-symbol { width: 42px; height: 44px; display: flex; align-items: center; justify-content: center; padding-right: 6px; border-radius: 9px 9px 9px 2px; background: var(--color-ink); color: #d9f7fb; font: bold 30px Georgia, serif; letter-spacing: -6px; }
.brand-symbol span { color: #00e5ff; }
.brand-dot { color: var(--color-accent); }
nav { display: flex; gap: 35px; font-size: 13px; }
nav a { min-height: 44px; display: inline-flex; align-items: center; }
.hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; padding-block: 90px 95px; }
h1 span { color: var(--color-accent); }
.hero-description { font-size: 18px; line-height: 1.8; max-width: 510px; margin-top: 30px; color: var(--color-muted); }
.hero-principle { font-size: 23px; letter-spacing: -.6px; margin: 38px 0 0; display: flex; align-items: center; gap: 18px; }
.hero-principle span { color: var(--color-accent); }
.knowledge-diagram { position: relative; background: var(--color-surface); background-image: radial-gradient(#c5dce4 1px, transparent 1px); background-size: 18px 18px; padding: 24px 28px; border: 1px solid var(--color-line); border-radius: 5px; }
.diagram-caption { display: flex; align-items: center; justify-content: space-between; font-size: 9px; letter-spacing: 1.5px; margin-bottom: 25px; }
.diagram-dot { height: 6px; width: 6px; border-radius: 50%; background: var(--color-accent); }
.diagram-flow { border-left: 1px solid #8db5c0; padding-left: 16px; }
.diagram-stage { display: grid; grid-template-columns: 26px 1fr; align-items: center; gap: 3px 10px; padding: 9px 14px; border: 1px solid #d3e2e9; background: #ffffff; font-size: 16px; border-radius: 3px; }
.stage-index { grid-row: span 2; font-size: 10px; color: var(--color-accent); }
.stage-detail { grid-column: 2; font-size: 10px; color: var(--color-muted); }
.diagram-stage.last { background: var(--color-accent-light); border-color: #91d5e1; }
.diagram-connector { font-size: 12px; line-height: 20px; padding-left: 53px; color: var(--color-accent); }
.diagram-return { margin: 20px 0 0; font-size: 10px; color: var(--color-muted); display: flex; gap: 9px; align-items: center; }
.diagram-return span { font-size: 21px; color: var(--color-accent); }
.idea-band { border-block: 1px solid var(--color-line); }
.idea-band p { font-size: 20px; letter-spacing: -.4px; padding-block: 26px; margin-bottom: 0; }
.idea-band span { color: var(--color-accent); }
.editorial { display: grid; grid-template-columns: 1fr 1fr; gap: 85px; }
.editorial-copy p, .lab-section p:not(.eyebrow) { color: var(--color-muted); }
p.lead { font-size: 22px; color: var(--color-ink); line-height: 1.55; letter-spacing: -.4px; }
.name-note { border-top: 1px solid var(--color-line); padding-top: 23px; font-size: 13px; margin-top: 26px; }
.name-note strong { color: var(--color-ink); font-weight: 600; }
.philosophy { background: var(--color-surface); border-block: 1px solid var(--color-line); }
.philosophy-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 45px; }
.principle { padding-right: 35px; }
.principle + .principle { border-left: 1px solid #cbdce5; padding-left: 35px; }
.principle:last-child { padding-right: 0; }
.principle-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: 10px; letter-spacing: 1.3px; margin-bottom: 23px; }
.principle-glyph { font-size: 34px; font-weight: 300; color: var(--color-accent); line-height: 1; }
.principle h3 { margin-bottom: 22px; font-size: 27px; }
.principle p { color: var(--color-muted); font-size: 14px; }
.small-loop { display: flex; flex-wrap: wrap; align-items: center; gap: 17px; padding-top: 26px; border-top: 1px solid #cbdce5; margin: 35px 0 0; font-size: 15px; }
.small-loop > span:nth-child(even) { color: var(--color-accent); }
.loop-note { font-size: 11px; color: var(--color-muted); margin-left: auto; }
.lab-section { display: grid; grid-template-columns: 1.1fr 1fr; gap: 85px; align-items: center; }
.lab-section h2 { margin-bottom: 30px; }
.experiment-visual { padding: 30px; border-block: 1px solid var(--color-line); background-image: linear-gradient(#dce8ef80 1px, transparent 1px), linear-gradient(90deg, #dce8ef80 1px, transparent 1px); background-size: 30px 30px; }
.experiment-caption { font-size: 9px; letter-spacing: 1.4px; text-align: center; }
.experiment-orbit { position: relative; width: 240px; height: 240px; border: 1px solid #91bbc8; border-radius: 50%; margin: 40px auto; }
.experiment-orbit:before { content: ''; position: absolute; inset: 23px; border: 1px dashed #bfd4de; border-radius: 50%; }
.orbit-center { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; font-size: 22px; line-height: 1.3; letter-spacing: -.5px; }
.orbit-node { position: absolute; background: var(--color-paper); border: 1px solid #a6c8d3; padding: 8px 16px; font-size: 11px; min-width: 70px; text-align: center; }
.node-try { left: 50%; top: 0; transform: translate(-50%, -50%); }
.node-observe { right: 0; top: 50%; transform: translate(50%, -50%); }
.node-learn { left: 50%; bottom: 0; transform: translate(-50%, 50%); }
.node-improve { left: 0; top: 50%; transform: translate(-50%, -50%); }
.experiment-visual p { font-size: 12px; text-align: center; margin: 0; color: var(--color-ink) !important; }
.progression { background: var(--color-ink); color: #f5f9fc; }
.section-intro { display: flex; justify-content: space-between; align-items: end; gap: 35px; }
.section-intro > p { color: #c5d4e3; font-size: 15px; margin: 0; }
.progression-list { list-style: none; margin: 45px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 45px; }
.progression-list li { position: relative; border-top: 1px solid #38576f; padding: 22px 0 35px; }
.progression-number { font-size: 11px; color: #00e5ff; }
.progression-list h3 { margin-top: 12px; font-size: 26px; }
.progression-list p { color: #c5d4e3; font-size: 14px; margin: 9px 0 0; }
.progression-list li:not(:last-child):after { content: '→'; position: absolute; right: 0; top: 18px; color: #00e5ff; font-size: 21px; }
.section-description { color: var(--color-muted); max-width: 510px; margin-top: 25px; font-size: 15px; }
.discipline-list { list-style: none; padding: 0; margin: 35px 0 0; display: flex; flex-wrap: wrap; gap: 0 28px; border-top: 1px solid var(--color-line); }
.discipline-list li { border-bottom: 1px solid var(--color-line); padding: 15px 0; font-size: 19px; letter-spacing: -.3px; }
.practicality { background: #eef8fb; }
.test-list { list-style: none; margin: 0; padding: 0; }
.test-list li { display: flex; gap: 22px; padding: 22px 0; border-top: 1px solid #c7dfe6; }
.test-list li > span { font-size: 10px; color: var(--color-accent); margin-top: 5px; }
.test-list h3 { font-size: 22px; }
.test-list p { margin: 7px 0 0; font-size: 14px; color: var(--color-muted); }
.approach-list { list-style: none; margin: 45px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); }
.approach-list li { position: relative; border-top: 1px solid #9bbfcd; padding: 28px 28px 20px 0; }
.approach-list li:not(:last-child):after { content: '→'; position: absolute; top: -15px; right: 18px; background: var(--color-paper); padding-inline: 8px; font-size: 18px; color: var(--color-accent); }
.approach-number { font-size: 10px; color: var(--color-accent); }
.approach-list h3 { font-size: 23px; margin-top: 15px; }
.approach-list p { font-size: 14px; color: var(--color-muted); margin: 12px 0 0; }
.approach-return { border-bottom: 1px solid var(--color-line); padding-bottom: 18px; margin: 20px 0 0; color: var(--color-accent); font-size: 12px; }
.manifesto { border-top: 1px solid var(--color-line); }
.manifesto-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 35px 75px; margin-top: 45px; }
.manifesto-grid article { padding-top: 22px; border-top: 1px solid var(--color-line); }
.manifesto-grid h3 { font-size: 23px; }
.manifesto-grid p { font-size: 15px; color: var(--color-muted); margin: 14px 0 0; }
.continuous-loop { background: var(--color-ink); color: #f1f8fc; text-align: center; background-image: linear-gradient(#ffffff04 1px, transparent 1px), linear-gradient(90deg, #ffffff04 1px, transparent 1px); background-size: 40px 40px; }
.continuous-loop .eyebrow { color: #00e5ff; }
.continuous-loop h2 { font-size: clamp(35px, 5.3vw, 68px); line-height: 1.2; letter-spacing: -2px; }
.continuous-loop h2 span { color: #00e5ff; font-weight: 300; }
.continuous-steps { padding: 0; margin: 40px auto 0; list-style: none; display: flex; justify-content: center; flex-wrap: wrap; gap: 12px 20px; font-size: 12px; color: #d3e2ef; }
.continuous-steps li:not(:last-child):after { content: '→'; padding-left: 20px; color: #00e5ff; }
.return-line { border: 1px solid #4c8b9c; border-top: 0; height: 25px; max-width: 690px; margin: 20px auto 0; position: relative; }
.return-line span { position: absolute; bottom: -14px; left: 50%; background: var(--color-ink); padding-inline: 14px; color: #00e5ff; }
.closing { text-align: center; padding-block: 115px; }
.closing h2 { font-size: clamp(35px, 4vw, 50px); }
.closing > p:not(.eyebrow) { margin: 26px 0 0; color: var(--color-muted); }
.closing p.closing-principle { font-size: 18px; color: var(--color-accent); margin-top: 32px; }
.site-footer { border-top: 1px solid var(--color-line); padding-block: 40px 25px; }
.footer-top { display: flex; justify-content: space-between; gap: 30px; align-items: start; }
.footer-brand { font-size: 30px; font-weight: 650; letter-spacing: -1px; }
.footer-brand span { color: var(--color-accent); }
.footer-top p { font-size: 13px; margin: 8px 0 0; }
.footer-top p.footer-principle { font-size: 11px; color: var(--color-muted); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; font-size: 10px; color: var(--color-muted); margin-top: 40px; }
/* Quiet motion acknowledges the cycle without shifting the reading layout. */
@media (prefers-reduced-motion: no-preference) { .diagram-dot { animation: breathe 7s ease-in-out infinite; } a { transition: color .2s ease; } }
@keyframes breathe { 0%, 100% { opacity: .45; } 50% { opacity: 1; } }
@media (max-width: 1000px) {
  .container { padding-inline: 30px; }
  .hero { gap: 35px; }
  h1 { font-size: 52px; letter-spacing: -2px; }
  .editorial, .lab-section { gap: 45px; }
  .principle { padding-right: 22px; }
  .principle + .principle { padding-left: 22px; }
  .principle h3 { font-size: 23px; }
  .loop-note { width: 100%; margin-left: 0; }
  .knowledge-diagram { padding: 20px; }
}
@media (max-width: 760px) {
  .section { padding-block: 65px; }
  .hero { grid-template-columns: 1fr; padding-block: 55px 60px; gap: 45px; }
  h1 { font-size: clamp(44px, 7.5vw, 58px); }
  .hero-description { font-size: 17px; }
  .hero-principle { font-size: 22px; margin-top: 28px; }
  .knowledge-diagram { max-width: 540px; width: 100%; }
  .diagram-stage { grid-template-columns: 26px 1fr 1.15fr; padding-block: 13px; gap: 10px; }
  .stage-index { grid-row: auto; }
  .stage-detail { grid-column: auto; }
  .editorial, .lab-section { grid-template-columns: 1fr; gap: 30px; }
  .editorial-copy { max-width: 570px; }
  .philosophy-grid { grid-template-columns: 1fr; margin-top: 30px; }
  .principle { padding: 25px 0; border-top: 1px solid #cbdce5; }
  .principle + .principle { padding-left: 0; border-left: 0; }
  .principle h3 { font-size: 27px; }
  .principle h3 br { display: none; }
  .principle-top { margin-bottom: 15px; }
  .small-loop { margin-top: 5px; }
  .experiment-visual { max-width: 540px; }
  .section-intro { display: block; }
  .section-intro > p { margin-top: 22px; }
  .progression-list { grid-template-columns: 1fr; margin-top: 30px; }
  .progression-list li { padding: 20px 0 20px 45px; }
  .progression-number { position: absolute; left: 0; top: 32px; }
  .progression-list h3 { margin-top: 0; }
  .progression-list li:not(:last-child):after { content: '↓'; top: auto; bottom: -17px; right: 5px; background: var(--color-ink); padding: 3px 8px; z-index: 1; }
  .approach-list { grid-template-columns: 1fr; margin-top: 30px; }
  .approach-list li { padding: 20px 0 20px 45px; }
  .approach-number { position: absolute; left: 0; top: 26px; }
  .approach-list h3 { margin-top: 0; }
  .approach-list li:not(:last-child):after { content: '↓'; top: auto; bottom: -16px; right: 0; z-index: 1; }
  .manifesto-grid { grid-template-columns: 1fr; gap: 28px; }
  .continuous-loop h2 { font-size: 36px; letter-spacing: -1.3px; }
  .continuous-steps { flex-direction: column; gap: 10px; }
  .continuous-steps li:not(:last-child):after { content: '↓'; display: block; padding: 8px 0 0; }
  .return-line { max-width: 200px; }
  .closing { padding-block: 75px; }
}
@media (max-width: 480px) {
  .container { padding-inline: 22px; }
  .header-inner { flex-wrap: wrap; padding-block: 20px 10px; gap: 10px; }
  .brand strong { font-size: 24px; }
  nav { gap: 28px; }
  .header-inner nav { width: 100%; }
  .hero { padding-top: 42px; }
  h1 { font-size: 44px; letter-spacing: -2px; }
  h2 { font-size: 33px; letter-spacing: -1.2px; }
  .hero-principle { gap: 13px; font-size: 21px; }
  .hero-description { font-size: 16px; }
  .diagram-stage { grid-template-columns: 22px 1fr; padding: 9px 11px; gap: 2px 7px; }
  .stage-index { grid-row: span 2; }
  .stage-detail { grid-column: 2; }
  .diagram-flow { padding-left: 12px; }
  .diagram-caption { font-size: 8px; letter-spacing: 1px; }
  .diagram-return { font-size: 9px; }
  .idea-band p { font-size: 18px; }
  .idea-band span { display: block; }
  p.lead { font-size: 20px; }
  .experiment-visual { padding-inline: 14px; }
  .experiment-orbit { width: 180px; height: 180px; }
  .orbit-node { font-size: 10px; min-width: 56px; padding: 6px 10px; }
  .orbit-center { font-size: 20px; }
  .discipline-list { gap: 0 20px; }
  .discipline-list li { font-size: 17px; }
  .test-list h3 { font-size: 21px; }
  .continuous-loop h2 { font-size: clamp(24px, 7.5vw, 36px); letter-spacing: -.7px; }
  .closing h2 { font-size: 35px; }
  .footer-top { flex-direction: column; gap: 15px; }
  .footer-bottom { flex-direction: column; gap: 5px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *:before, *:after { animation: none !important; transition: none !important; } }
@media print { body { background: white; } .site-header nav, .skip-link { display: none; } .section { padding-block: 30px; } .hero { padding-block: 30px; } .progression, .continuous-loop { background: white; color: black; } }

/* Empirical Lab branding: cyan is a graphic accent; darker teal maintains readable text. */
:root { --color-brand-cyan: #00e5ff; }
.site-header { background: #fff; }
.brand { display: block; line-height: 0; }
.brand-image { display: block; width: 300px; height: auto; max-width: 100%; }
.header-inner { min-height: 114px; }
.footer-brand { display: block; max-width: 340px; }
.footer-brand .brand-image { width: 340px; }
.footer-top p.footer-principle { display: none; }
.diagram-dot { background: var(--color-brand-cyan); }
.hero-principle span { color: #00798c; }
.principle-glyph { color: #00798c; }
.continuous-loop h2 span { color: var(--color-brand-cyan); }
.knowledge-diagram { border-top: 3px solid var(--color-brand-cyan); }
.progression { border-top: 3px solid var(--color-brand-cyan); }
@media (max-width: 480px) {
  .header-inner { padding-top: 8px; gap: 0; }
  .brand-image { width: 270px; }
  .footer-brand .brand-image { width: 290px; }
}

/* Shared publishing palette: supporting accents retain the navy/cyan identity. */
.audience-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; margin-top:38px; }
.audience-card { padding:28px; border:1px solid #dbe4eb; border-top:3px solid var(--hl-progress-sage); background:var(--hl-sage-tint); }
.audience-index { color:var(--hl-progress-sage); font-size:12px; font-weight:650; letter-spacing:2px; }
.audience-card h3,.format-card h3 { font-size:21px; line-height:1.3; margin:16px 0 12px; }
.audience-card p,.format-card p { font-size:15px; }
.audience-tags { display:flex; flex-wrap:wrap; gap:7px; list-style:none; padding:0; margin:22px 0 0; }
.audience-tags li { background:white; border:1px solid #dbe4eb; color:var(--hl-cyber-navy); padding:5px 9px; font-size:12px; }
.product-types { background:var(--hl-slate-mist); }
.format-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:22px; margin-top:38px; }
.format-card { border-top:3px solid var(--hl-insight-violet); padding:18px 20px; background:white; }
.format-card h3 { color:var(--hl-insight-violet); margin-top:8px; }
.format-note { margin-top:32px; background:var(--hl-amber-tint); color:var(--hl-cyber-navy); border-left:3px solid var(--hl-knowledge-amber); padding:20px 24px; }
.idea-band { background:var(--hl-amber-tint); }
.test-list li>span { color:var(--hl-knowledge-amber); }
@media(max-width:1000px) { .audience-grid,.format-grid { grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media(max-width:600px) { .audience-grid,.format-grid { grid-template-columns:1fr; gap:16px; } .audience-card { padding:24px; } }
.discovery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:32px}
.discovery-card{display:block;padding:28px;background:var(--hl-sage-tint);border:1px solid #dbe4eb;color:var(--hl-cyber-navy);text-decoration:none}
.discovery-card:nth-child(2){background:var(--hl-violet-tint)}
.discovery-card>span{font-size:11px;letter-spacing:1.2px;color:#526173}
.discovery-card h3{font-size:24px;margin:18px 0 12px}.discovery-card p{font-size:15px}.discovery-card strong{color:#006678;font-size:14px}
.discovery-card:hover{border-color:#006678}.discovery-card:focus-visible{outline:3px solid #006678;outline-offset:4px}
.discovery-availability{padding:22px 24px;margin-top:24px;background:var(--hl-amber-tint);border-left:3px solid var(--hl-knowledge-amber);font-size:15px}
@media(max-width:600px){.discovery-grid{grid-template-columns:1fr}}