:root {
    --cream:#FAF7F2; --cream-2:#F2EEE6; --sand:#E8DECA;
    --ink:#1B1B1F; --ink-soft:#3E3E45; --ink-mute:#8A8A92; --line:#E4E0D6;
    --red:#C8102E; --red-deep:#9E0C24; --red-dark:#7E0A1D; --paper:#FFFFFF;
    --serif:"Cormorant Garamond", "Times New Roman", serif;
    --sans:"Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --sans-body:"Open Sans", -apple-system, sans-serif;
  }
  *, *::before, *::after { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  body { font-family: var(--sans-body); color: var(--ink); background: var(--cream); -webkit-font-smoothing: antialiased; font-size: 16px; line-height: 1.65; }
  a { color: inherit; text-decoration: none; } img { display: block; max-width: 100%; }
  button { font: inherit; color: inherit; }

  /* ===== NAV ===== */
  .hr13-top { position: fixed; top: 0; left: 50%; transform: translateX(-50%); z-index: 100; width: calc(100% - 32px); max-width: 1400px; background: rgba(255,255,255,.38); backdrop-filter: blur(40px) saturate(220%); -webkit-backdrop-filter: blur(40px) saturate(220%); border: 1px solid rgba(255,255,255,.55); border-top: none; border-radius: 0 0 22px 22px; box-shadow: 0 18px 50px -16px rgba(27,27,31,.18), inset 0 1px 0 rgba(255,255,255,.85), inset 0 -1px 0 rgba(255,255,255,.12); transition: background .25s ease, box-shadow .35s ease; }
  .hr13-top::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; background: linear-gradient(180deg, rgba(255,255,255,.4) 0%, transparent 30%, transparent 70%, rgba(255,255,255,.08) 100%); }
  .hr13-top-inner { position: relative; z-index: 1; padding: 30px 36px 0 36px; display: flex; justify-content: flex-start; align-items: center; gap: 32px; transition: padding .25s ease; }
  .hr13-top-inner > .hr13-brand { transform: translateY(-15px); transition: transform .25s ease; }
  .hr13-top.scrolled .hr13-top-inner > .hr13-brand { transform: translateY(-11px); }
  .hr13-top-inner > div:last-child { transform: translateY(-15px); transition: transform .25s ease; }
  .hr13-top.scrolled .hr13-top-inner > div:last-child { transform: translateY(-11px); }
  .hr13-top.scrolled { background: rgba(255,255,255,.65); box-shadow: 0 18px 40px -16px rgba(27,27,31,.22), inset 0 1px 0 rgba(255,255,255,.9); }
  .hr13-top.scrolled .hr13-top-inner { padding-top: 22px; }
  .hr13-top.scrolled .hr13-nav a { padding-bottom: 28px; }
  .hr13-brand img { height: 32px; width: auto; display: block; }
  .hr13-nav { display: flex; justify-content: flex-end; gap: 13px; margin-left: auto; }
  .hr13-nav a { position: relative; padding: 14px 4px 34px 4px; font-family: var(--sans); font-size: 15px; font-weight: 500; color: var(--ink-soft); cursor: pointer; transition: color .25s ease, font-weight .15s ease, padding-bottom .25s ease; white-space: nowrap; }
  .hr13-nav a::before { content: attr(data-label); display: block; height: 0; overflow: hidden; visibility: hidden; font-weight: 600; pointer-events: none; }
  .hr13-nav a::after { content: ""; position: absolute; left: 4px; right: 4px; bottom: 0; height: 2px; background: var(--red); transform: scaleX(0); transform-origin: left; transition: transform .3s cubic-bezier(.6,.2,.2,1); }
  .hr13-nav a.active::after { transform: scaleX(1); }
  .hr13-nav a.active { color: var(--ink); font-weight: 600; }
  .hr13-nav > a:not(.active):hover, .hr13-nav .has-dd > a:not(.active):hover { color: var(--ink-soft); font-weight: 500; }
  .hr13-nav > a:not(.active):hover::after, .hr13-nav .has-dd > a:not(.active):hover::after { transform: scaleX(0); }
  .hr13-nav .has-dd { position: relative; display: inline-flex; align-items: stretch; }
  .hr13-nav .has-dd > a { padding-right: 16px; }
  .hr13-nav .has-dd > a::after { right: 16px; }
  .hr13-nav .has-dd > a .caret { display: inline-block; width: 8px; height: 8px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg) translate(-2px, -2px); margin-left: 8px; opacity: .55; transition: transform .25s ease, opacity .25s ease; }
  .hr13-nav .has-dd:hover > a .caret, .hr13-nav .has-dd:focus-within > a .caret { transform: rotate(225deg) translate(-2px, -2px); opacity: 1; }
  .hr13-nav .dd { position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(-8px); min-width: 320px; margin-top: -8px; background: var(--paper); border: 1px solid var(--line); border-radius: 16px; padding: 10px; box-shadow: 0 24px 60px -20px rgba(27,27,31,.25); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .3s ease, transform .3s cubic-bezier(.6,.2,.2,1), visibility .3s; z-index: 110; display: flex; flex-direction: column; gap: 2px; }
  .hr13-nav .has-dd::after { content: ""; position: absolute; top: 100%; left: 0; right: 0; height: 12px; }
  .hr13-nav .has-dd:hover .dd, .hr13-nav .has-dd:focus-within .dd { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); }
  .hr13-nav .dd a { position: static; padding: 14px 18px; font-family: var(--sans); font-size: 14px; font-weight: 500; color: var(--ink); border-radius: 0; white-space: nowrap; border-bottom: 1px solid var(--line); }
  .hr13-nav .dd a:last-child { border-bottom: none; }
  .hr13-nav .dd a::before, .hr13-nav .dd a::after { display: none; }
  .hr13-nav .dd a:hover { color: var(--red); }
  .hr13-nav .dd a .sub { display: block; font-family: var(--serif); font-style: italic; font-weight: 400; font-size: 15px; color: var(--ink-mute); margin-top: 2px; }
  .hr13-nav .dd a:hover .sub { color: var(--ink-soft); }
  .hr13-burger { display: none; width: 42px; height: 42px; background: transparent; color: var(--ink); align-items: center; justify-content: center; border: none; cursor: pointer; padding: 0; }
  .hr13-burger:hover { color: var(--red); }
  .hr13-burger svg { width: 22px; height: 22px; }

  /* ===== SHARED ===== */
  .wrap { max-width: 1400px; margin: 0 auto; padding: 0 32px; }
  .eyebrow { display: inline-flex; align-items: center; gap: 12px; font-family: var(--sans); font-size: 11px; text-transform: uppercase; letter-spacing: 4px; color: #575759; font-weight: 500; }
  .eyebrow::before, .eyebrow::after { content: ""; width: 35px; height: 1px; background: var(--red); }
  .eyebrow.left { justify-content: flex-start; }
  .eyebrow.left::after { display: none; }
  .eyebrow.dark { color: rgba(255,255,255,.55); }
  .eyebrow.dark::before, .eyebrow.dark::after { background: var(--red); }

  .btn { display: inline-flex; align-items: center; gap: 10px; padding: 16px 30px; border-radius: 999px; font-family: var(--sans); font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none; border: none; transition: transform .25s ease, background .25s ease, color .25s ease, box-shadow .25s ease, border-color .25s ease; }
  .btn-red { background: var(--red); color: #fff; box-shadow: 0 14px 30px -10px rgba(200,16,46,.5); }
  .btn-red:hover { background: var(--red-deep); transform: translateY(-2px); }
  .btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid rgba(27,27,31,.2); }
  .btn-ghost:hover { background: rgba(27,27,31,.04); border-color: rgba(27,27,31,.4); transform: translateY(-1px); }
  .btn-ghost.on-dark { color: #fff; border-color: rgba(255,255,255,.35); }
  .btn-ghost.on-dark:hover { background: rgba(255,255,255,.08); border-color: #fff; }

  /* ===== HERO ===== */
  .page-hero { background: linear-gradient(135deg, #FFFFFF 0%, #F5F5F5 55%, #E6E6E6 100%); padding: 150px 32px 100px; position: relative; overflow: hidden; }
  .page-hero .grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 80px; align-items: center; margin-top: 36px; max-width: 1400px; margin-left: auto; margin-right: auto; }
  .page-hero h1 { font-family: var(--sans); font-weight: 300; font-size: clamp(36px, 4.4vw, 68px); line-height: 1.05; letter-spacing: -0.025em; margin: 22px 0 26px; color: var(--ink); }
  .page-hero h1 em { font-family: var(--serif); font-style: italic; font-weight: 500; color: var(--red); font-size: 1.15em; line-height: .9; letter-spacing: -0.025em; }
  .page-hero .lede { font-family: var(--sans-body); font-size: 17px; line-height: 1.7; color: var(--ink-soft); max-width: 540px; margin: 0 0 30px; }
  .page-hero .actions { display: flex; gap: 12px; flex-wrap: wrap; }

  .portrait { position: relative; }
  .portrait .frame { position: relative; aspect-ratio: 4/5; border-radius: 18px; overflow: hidden; background: #ECECEC; box-shadow: 0 32px 70px -28px rgba(27,27,31,.28); }
  .portrait .frame img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .portrait .tag { position: absolute; left: -14px; bottom: 36px; background: var(--paper); border-radius: 14px; padding: 18px 22px; box-shadow: 0 18px 40px -18px rgba(27,27,31,.28); display: flex; align-items: center; gap: 14px; }
  .portrait .tag .since { font-family: var(--serif); font-style: italic; font-weight: 500; color: var(--red); font-size: 38px; line-height: 1; letter-spacing: -0.02em; }
  .portrait .tag .since-label { font-family: var(--sans); font-size: 10.5px; font-weight: 600; letter-spacing: 2.5px; text-transform: uppercase; color: var(--ink-mute); line-height: 1.4; }
  .portrait .tag .since-label strong { display: block; color: var(--ink); font-size: 13px; letter-spacing: .5px; text-transform: none; font-weight: 600; margin-bottom: 2px; }

  .hero-stats { margin-top: 80px; padding-top: 30px; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; max-width: 1400px; margin-left: auto; margin-right: auto; }
  .hero-stats .stat .n { font-family: var(--serif); font-weight: 500; font-size: 46px; line-height: 1; color: var(--ink); letter-spacing: -0.02em; }
  .hero-stats .stat .n em { font-family: var(--sans); font-style: normal; color: var(--red); font-size: 15px; margin-left: 5px; font-weight: 600; letter-spacing: 0; }
  .hero-stats .stat .l { font-family: var(--sans); font-size: 10.5px; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; color: var(--ink-mute); margin-top: 12px; }

  /* ===== INTRO ===== */
  .intro { background: var(--paper); padding: 140px 32px; }
  .intro .wrap { max-width: 1080px; }
  .intro-head { max-width: 780px; margin: 0 auto 56px; text-align: center; }
  .intro-head h2 { font-family: var(--sans); font-weight: 300; font-size: clamp(32px, 3.6vw, 56px); line-height: 1.1; letter-spacing: -0.02em; margin: 20px 0 0; color: var(--ink); }
  .intro-head h2 em { font-family: var(--serif); font-style: italic; color: var(--red); font-weight: 500; font-size: 1.55em; line-height: .9; letter-spacing: -0.02em; }
  .intro-body { max-width: 760px; margin: 0 auto; font-size: 17px; line-height: 1.78; color: var(--ink-soft); }
  .intro-body p { margin: 0 0 22px; }
  .intro-body p:last-child { margin-bottom: 0; }
  .intro-body strong { color: var(--ink); font-weight: 600; }
  .intro-callout { font-family: var(--serif); font-style: italic; font-weight: 500; font-size: clamp(22px, 2.2vw, 30px); line-height: 1.3; color: var(--ink); border-left: 2px solid var(--red); padding: 8px 0 8px 28px; margin: 36px 0; max-width: 640px; }

  /* ===== CHAPTERS ===== */
  .chapters { background: var(--cream); padding: 100px 32px 140px; position: relative; }
  .chapters .wrap { max-width: 1080px; }
  .chapter-list { display: flex; flex-direction: column; }
  .ch { display: grid; grid-template-columns: 200px 1fr; gap: 56px; padding: 80px 0; align-items: start; position: relative; }
  .ch + .ch { border-top: 1px solid var(--line); }
  .ch:first-child { padding-top: 24px; }
  .ch-aside { position: sticky; top: 120px; align-self: start; }
  .ch-aside .tag { display: inline-flex; align-items: center; gap: 12px; font-family: var(--sans); font-size: 12px; font-weight: 600; letter-spacing: 3px; text-transform: lowercase; color: var(--red); margin-bottom: 18px; }
  .ch-aside .tag::before { content: ""; width: 28px; height: 1px; background: var(--red); }
  .ch-aside .num { font-family: var(--serif); font-style: italic; font-weight: 500; color: var(--ink); font-size: 96px; line-height: .9; letter-spacing: -0.04em; }
  .ch-aside .num em { color: var(--red); font-style: italic; }
  .ch-aside .of { font-family: var(--sans); font-size: 11px; font-weight: 600; letter-spacing: 2.5px; text-transform: uppercase; color: var(--ink-mute); margin-top: 12px; }

  .ch-content { max-width: 720px; }
  .ch-h { font-family: var(--sans); font-weight: 400; font-size: clamp(28px, 3.4vw, 44px); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 28px; color: var(--ink); }
  .ch-h em { font-family: var(--serif); font-style: italic; color: var(--red); font-weight: 500; font-size: 1.18em; line-height: .92; letter-spacing: -0.02em; }
  .ch-lead { font-family: var(--sans-body); font-size: 19px; line-height: 1.6; color: var(--ink); margin: 0 0 22px; font-weight: 500; letter-spacing: -0.005em; }
  .ch-body { font-family: var(--sans-body); font-size: 16px; line-height: 1.78; color: var(--ink-soft); }
  .ch-body p { margin: 0 0 18px; }
  .ch-body p:last-child { margin-bottom: 0; }
  .ch-body strong { color: var(--ink); font-weight: 600; }

  /* ===== KOMPETENZEN ===== */
  .skills { background: var(--paper); padding: 140px 32px; }
  .skills .wrap { max-width: 1400px; }
  .skills-head { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: end; margin-bottom: 64px; }
  .skills-head h2 { font-family: var(--sans); font-weight: 300; font-size: clamp(32px, 3.6vw, 56px); line-height: 1.1; letter-spacing: -0.02em; margin: 18px 0 0; color: var(--ink); }
  .skills-head h2 em { font-family: var(--serif); font-style: italic; color: var(--red); font-weight: 500; font-size: 1.55em; line-height: .9; letter-spacing: -0.02em; }
  .skills-head aside { color: var(--ink-soft); font-size: 16px; max-width: 420px; line-height: 1.7; margin: 0; }
  .skills-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
  .skill { background: var(--cream); padding: 36px 30px; border-radius: 14px; display: flex; flex-direction: column; transition: transform .3s ease, box-shadow .3s ease; }
  .skill:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -22px rgba(27,27,31,.2); }
  .skill .n { font-family: var(--serif); font-style: italic; font-weight: 500; color: var(--red); font-size: 28px; line-height: 1; margin-bottom: 18px; letter-spacing: -0.02em; }
  .skill h4 { font-family: var(--sans); font-weight: 500; font-size: 17px; line-height: 1.25; color: var(--ink); margin: 0 0 10px; letter-spacing: -0.015em; }
  .skill p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.6; margin: 0; }

  /* ===== TEAM ===== */
  .team { background: var(--cream); padding: 140px 32px; }
  .team .wrap { max-width: 1400px; }
  .team-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 80px; align-items: center; }
  .team-photo { aspect-ratio: 4/5; background: #ECECEC; border-radius: 18px; overflow: hidden; position: relative; box-shadow: 0 24px 60px -28px rgba(27,27,31,.22); }
  .team-photo .placeholder { width: 100%; height: 100%; background: repeating-linear-gradient(45deg, #E8DECA 0 18px, #DCD0B6 18px 19px); display: flex; align-items: center; justify-content: center; color: rgba(27,27,31,.45); font-family: var(--sans); font-size: 11px; letter-spacing: 4px; text-transform: uppercase; }
  .team-copy h2 { font-family: var(--sans); font-weight: 300; font-size: clamp(32px, 3.6vw, 52px); line-height: 1.1; letter-spacing: -0.02em; margin: 18px 0 22px; color: var(--ink); }
  .team-copy h2 em { font-family: var(--serif); font-style: italic; color: var(--red); font-weight: 500; font-size: 1.55em; line-height: .9; letter-spacing: -0.02em; }
  .team-copy p { color: var(--ink-soft); font-size: 16.5px; line-height: 1.75; margin: 0 0 18px; max-width: 520px; }
  .team-copy p strong { color: var(--ink); font-weight: 600; }
  .team-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; max-width: 520px; }
  .team-facts > div { background: var(--paper); padding: 22px 24px; border-radius: 12px; }
  .team-facts .lbl { font-family: var(--sans); font-size: 10.5px; font-weight: 600; letter-spacing: 2.5px; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 8px; }
  .team-facts .val { font-family: var(--serif); font-weight: 500; font-size: 24px; line-height: 1.1; color: var(--ink); letter-spacing: -0.01em; }
  .team-facts .val em { font-family: var(--sans); font-style: normal; color: var(--red); font-size: 14px; margin-left: 4px; font-weight: 600; }

  /* ===== RELATED ===== */
  .related { background: var(--paper); padding: 140px 32px; }
  .related .wrap { max-width: 1400px; }
  .sec-head { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: end; margin: 0 0 72px; }
  .sec-head h2 { font-family: var(--sans); font-weight: 300; font-size: clamp(32px, 3.6vw, 56px); line-height: 1.1; letter-spacing: -0.02em; margin: 18px 0 0; color: var(--ink); }
  .sec-head h2 em { font-family: var(--serif); font-style: italic; color: var(--red); font-weight: 500; font-size: 1.55em; line-height: .9; letter-spacing: -0.02em; }
  .sec-head aside { color: var(--ink-soft); font-size: 16px; max-width: 420px; line-height: 1.7; margin: 0; }
  .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .related-card { background: var(--cream); padding: 40px 36px; border-radius: 14px; text-decoration: none; color: inherit; box-shadow: 0 12px 30px -20px rgba(27,27,31,.12), 0 2px 6px -2px rgba(27,27,31,.04); transition: transform .3s ease, box-shadow .3s ease; display: flex; flex-direction: column; }
  .related-card:hover { transform: translateY(-4px); box-shadow: 0 28px 50px -24px rgba(27,27,31,.22), 0 6px 14px -4px rgba(27,27,31,.08); }
  .related-card .num { font-family: var(--serif); font-style: italic; font-weight: 500; color: var(--red); font-size: 24px; letter-spacing: -0.02em; margin-bottom: 16px; }
  .related-card h4 { font-family: var(--sans); font-weight: 500; font-size: 22px; line-height: 1.2; margin: 0 0 14px; color: var(--ink); letter-spacing: -0.015em; }
  .related-card p { font-size: 14.5px; color: var(--ink-soft); margin: 0 0 24px; line-height: 1.65; flex: 1; }
  .related-card .link { font-family: var(--sans); font-size: 12px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--red); display: inline-flex; align-items: center; gap: 8px; transition: gap .25s ease; }
  .related-card:hover .link { gap: 14px; }

  /* ===== CTA BAND ===== */
  .cta-band { background: var(--ink); color: #fff; padding: 120px 32px; position: relative; overflow: hidden; }
  .cta-band::before { content: "&"; position: absolute; right: -40px; top: 50%; transform: translateY(-50%); font-family: var(--serif); font-style: italic; font-size: 360px; line-height: 1; color: rgba(255,255,255,.04); pointer-events: none; }
  .cta-band .inner { position: relative; z-index: 2; max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: 1.4fr auto; gap: 56px; align-items: center; }
  .cta-band h2 { font-family: var(--sans); font-weight: 300; font-size: clamp(32px, 4vw, 56px); line-height: 1.1; letter-spacing: -0.02em; margin: 18px 0; }
  .cta-band h2 em { font-family: var(--serif); font-style: italic; color: var(--red); font-weight: 500; font-size: 1.55em; line-height: .9; letter-spacing: -0.02em; }
  .cta-band p { color: rgba(255,255,255,.7); font-size: 17px; line-height: 1.7; margin: 0; max-width: 640px; }
  .cta-band .actions { display: flex; gap: 12px; flex-wrap: wrap; }

  /* ===== FOOTER ===== */
  footer { background: var(--ink); color: var(--cream); padding: 100px 32px 40px; border-top: 1px solid rgba(255,255,255,.06); }
  .foot-grid { max-width: 1400px; margin: 0 auto; padding: 0; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px; }
  .foot-brand img { height: 32px; filter: brightness(0) invert(1); opacity: .9; margin-bottom: 24px; }
  .foot-brand p { font-size: 14px; color: rgba(255,255,255,.7); max-width: 320px; line-height: 1.7; margin: 0; }
  footer h4 { font-family: var(--sans); font-size: 11px; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; color: rgba(255,255,255,.5); margin: 0 0 18px; }
  footer ul { list-style: none; padding: 0; margin: 0; }
  footer li { margin-bottom: 12px; font-size: 14px; color: rgba(255,255,255,.8); }
  footer li a:hover { color: var(--cream); }
  .foot-bottom { max-width: 1400px; margin: 80px auto 0; padding: 32px 0 0; border-top: 1px solid rgba(255,255,255,.12); display: flex; justify-content: space-between; font-size: 12px; color: rgba(255,255,255,.5); }
  .foot-bottom a { color: rgba(255,255,255,.5); margin-left: 20px; }
  .foot-bottom a:hover { color: var(--cream); }

  .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
  .reveal.in { opacity: 1; transform: translateY(0); }

  @media (max-width: 1180px) { .hr13-nav { gap: 4px; } .hr13-nav a { padding: 9px 4px; font-size: 14px; } .hr13-top-inner { padding: 18px 24px; } }
  @media (max-width: 980px) {
    .hr13-nav { display: none; } .hr13-burger { display: inline-flex; }
    .hr13-top-inner > div:last-child { margin-left: auto; }
    .hr13-brand img { height: 26px; }
    .hr13-top-inner { padding: 14px 22px; }
    .hr13-top.scrolled .hr13-top-inner { padding: 12px 22px; }
    .hr13-top-inner > .hr13-brand,
    .hr13-top-inner > div:last-child { transform: none; }
    .hr13-top.scrolled .hr13-top-inner > .hr13-brand,
    .hr13-top.scrolled .hr13-top-inner > div:last-child { transform: none; }
    .page-hero { padding: 130px 24px 70px; }
    .page-hero .grid { grid-template-columns: 1fr; gap: 56px; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 28px; }
    .ch { grid-template-columns: 1fr; gap: 20px; padding: 56px 0; }
    .ch-aside { position: static; }
    .ch-aside .num { font-size: 56px; }
    .ch-aside .of { display: none; }
    .ch-content { max-width: 100%; }
    .skills-head, .sec-head { grid-template-columns: 1fr; gap: 24px; }
    .skills-grid { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: 1fr; gap: 48px; }
    .related-grid { grid-template-columns: 1fr; }
    .cta-band .inner { grid-template-columns: 1fr; gap: 28px; }
    .foot-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  }
  @media (max-width: 720px) {
    .hr13-top-inner { padding: 12px 18px; gap: 12px; }
    .hr13-top.scrolled .hr13-top-inner { padding: 10px 18px; }
    .page-hero { padding: 110px 20px 56px; }
    .page-hero .grid { gap: 36px; }
    .page-hero .actions { flex-direction: column; align-items: stretch; }
    .page-hero .actions .btn { justify-content: center; }
    .portrait .tag { left: -8px; bottom: 16px; padding: 14px 16px; gap: 10px; }
    .portrait .tag .since { font-size: 30px; }
    .hero-stats { margin-top: 48px; padding-top: 22px; gap: 22px 16px; grid-template-columns: 1fr 1fr; }
    .hero-stats .stat .n { font-size: 32px; }
    .hero-stats .stat .l { font-size: 10px; letter-spacing: 2.5px; margin-top: 8px; }
    .intro { padding: 80px 20px; }
    .intro-callout { padding: 6px 0 6px 20px; margin: 24px 0; font-size: 19px; }
    .chapters { padding: 60px 20px 80px; }
    .ch { padding: 48px 0; gap: 16px; }
    .ch:first-child { padding-top: 8px; }
    .ch-content { max-width: 100%; }
    .ch-h { font-size: clamp(24px, 6.5vw, 32px); margin-bottom: 20px; }
    .ch-lead { font-size: 17px; }
    .ch-body { font-size: 15px; }
    .skills { padding: 80px 20px; }
    .skills-grid { gap: 14px; }
    .skill { padding: 28px 24px; }
    .related { padding: 80px 20px; }
    .related-card { padding: 32px 26px; }
    .related-card h4 { font-size: 19px; }
    .sec-head { gap: 18px; margin-bottom: 40px; }
    .cta-band { padding: 80px 20px; }
    .cta-band h2 { font-size: clamp(28px, 8vw, 40px); }
    .cta-band p { font-size: 15px; }
    .cta-band .actions { flex-direction: column; align-items: stretch; }
    .cta-band .actions .btn { justify-content: center; }
    footer { padding: 70px 20px 30px; }
    .foot-grid { gap: 30px; }
    .foot-bottom { margin-top: 50px; padding-top: 22px; }
  }
  @media (max-width: 640px) {
    .hero-stats { grid-template-columns: 1fr 1fr; }
    .skills-grid { grid-template-columns: 1fr; }
    .team-facts { grid-template-columns: 1fr; }
    .foot-grid { grid-template-columns: 1fr; gap: 32px; }
    .foot-bottom { flex-direction: column; align-items: flex-start; gap: 10px; }
    .foot-bottom a { margin-left: 0; margin-right: 18px; }
  }