:root {
  --ink: #10272b;
  --ink-soft: #365155;
  --paper: #f3f1e9;
  --paper-deep: #e8e4d9;
  --white: #fffefa;
  --line: rgba(16, 39, 43, 0.16);
  --mint: #bfeadf;
  --mint-strong: #13a889;
  --blue: #b9d7f8;
  --orange: #ffb482;
  --yellow: #f4dc78;
  --violet: #d4c7f5;
  --rose: #f2c4ce;
  --green: #bcdcae;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
html, body { overflow-x: clip; max-width: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
}
body.modal-open { overflow: hidden; touch-action: none; }
img, svg, video { max-width: 100%; height: auto; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }

.skip-link {
  background: var(--ink);
  color: var(--white);
  font-size: 13px;
  font-weight: 800;
  left: 16px;
  padding: 12px 16px;
  position: absolute;
  top: -60px;
  z-index: 200;
  transition: top .2s;
}
.skip-link:focus { top: 16px; }
:focus-visible {
  outline: 2px solid var(--mint-strong);
  outline-offset: 3px;
}
.nav-action:focus-visible,
.primary-button:focus-visible,
.modal-close:focus-visible {
  outline-offset: 4px;
}
#start, #projekty, #metoda, #katalog, #standard {
  scroll-margin-top: calc(96px + env(safe-area-inset-top));
}

.site-header {
  align-items: center;
  background: rgba(243, 241, 233, 0.92);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  left: 0;
  padding: 0 max(3.5vw, env(safe-area-inset-right)) 0 max(3.5vw, env(safe-area-inset-left));
  padding-top: env(safe-area-inset-top);
  height: calc(84px + env(safe-area-inset-top));
  position: fixed;
  right: 0;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
}
.brand { align-items: center; display: inline-flex; gap: 13px; }
.brand > span:last-child { display: flex; flex-direction: column; line-height: 1.05; }
.brand strong { font-size: 22px; letter-spacing: -0.04em; }
.brand small { color: var(--ink-soft); font-size: 10px; font-weight: 700; letter-spacing: .12em; margin-top: 5px; text-transform: uppercase; }
.brand-mark { display: grid; gap: 3px; grid-template-columns: repeat(3, 6px); height: 28px; place-content: center; transform: rotate(45deg); width: 28px; }
.brand-mark i { background: var(--ink); display: block; height: 18px; width: 6px; }
.brand-mark i:nth-child(2) { background: var(--mint-strong); height: 27px; }
.brand-mark i:nth-child(3) { height: 12px; }
.site-header nav { align-items: center; display: flex; gap: 32px; }
.site-header nav > a { font-size: 13px; font-weight: 700; letter-spacing: .02em; position: relative; }
.site-header nav > a::after { background: var(--ink); bottom: -8px; content: ""; height: 1px; left: 0; position: absolute; transform: scaleX(0); transform-origin: left; transition: transform .25s ease; width: 100%; }
.site-header nav > a:hover::after { transform: scaleX(1); }
.nav-action {
  align-items: center;
  background: var(--ink);
  border: 0;
  color: var(--white);
  cursor: pointer;
  display: flex;
  font-size: 12px;
  font-weight: 800;
  gap: 25px;
  letter-spacing: .04em;
  padding: 14px 17px;
  text-transform: uppercase;
  transition: background .2s, transform .2s;
}
.nav-action:hover { background: var(--mint-strong); transform: translateY(-2px); }
.nav-action span { font-size: 18px; }
.menu-toggle {
  background: none;
  border: 0;
  display: none;
  flex-shrink: 0;
  height: 44px;
  margin-right: -6px;
  padding: 10px 8px;
  width: 44px;
}
.menu-toggle span { background: var(--ink); display: block; height: 2px; margin: 6px 0; transition: transform .2s, opacity .2s; width: 22px; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(8px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-8px) rotate(-45deg); }

.hero {
  background: var(--paper);
  min-height: 820px;
  overflow: hidden;
  padding: 160px 6vw 120px;
  position: relative;
}
.hero::before {
  background: linear-gradient(90deg, transparent 0 49.8%, var(--line) 49.8% 50%, transparent 50%);
  content: "";
  inset: 84px 0 0;
  opacity: .55;
  pointer-events: none;
  position: absolute;
}
.hero-gridline { background: var(--line); height: 1px; left: 0; position: absolute; right: 0; }
.gridline-one { top: 310px; }
.gridline-two { top: 590px; }
.hero-copy { max-width: 760px; position: relative; z-index: 2; }
.eyebrow { align-items: center; display: flex; font-size: 12px; font-weight: 800; gap: 11px; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow span { background: var(--mint-strong); border-radius: 50%; height: 9px; width: 9px; }
.hero h1 {
  font-size: clamp(54px, 6.2vw, 98px);
  letter-spacing: -.065em;
  line-height: .94;
  margin: 42px 0 30px;
  max-width: 950px;
}
.hero h1 em { color: var(--mint-strong); display: block; font-family: "Source Serif 4", Georgia, serif; font-weight: 400; }
.hero-copy > p { color: var(--ink-soft); font-size: 19px; line-height: 1.65; margin: 0; max-width: 700px; }
.hero-actions { align-items: center; display: flex; gap: 28px; margin-top: 40px; }
.primary-button {
  align-items: center;
  background: var(--mint-strong);
  color: white;
  display: inline-flex;
  font-size: 12px;
  font-weight: 800;
  gap: 38px;
  letter-spacing: .05em;
  min-height: 56px;
  padding: 0 22px;
  text-transform: uppercase;
  transition: background .2s, transform .2s;
}
.primary-button:hover { background: var(--ink); transform: translateY(-2px); }
.primary-button span { font-size: 20px; }
.primary-button.dark { background: var(--ink); }
.primary-button.dark:hover { background: #163b40; }
.text-button { align-items: center; background: none; border: 0; cursor: pointer; display: inline-flex; font-size: 13px; font-weight: 800; gap: 12px; padding: 14px 0; }
.play-icon { align-items: center; border: 1px solid var(--ink); border-radius: 50%; display: flex; font-size: 8px; height: 34px; justify-content: center; padding-left: 2px; transition: background .2s, color .2s; width: 34px; }
.text-button:hover .play-icon { background: var(--ink); color: white; }
.hero-system { height: 530px; position: absolute; right: 3vw; top: 135px; width: 46vw; z-index: 1; }
.system-core { align-items: center; background: var(--ink); border-radius: 50%; color: white; display: flex; flex-direction: column; height: 220px; justify-content: center; left: 50%; position: absolute; top: 48%; transform: translate(-50%, -50%); width: 220px; z-index: 3; }
.system-core::after { border: 1px solid rgba(255,255,255,.25); border-radius: 50%; content: ""; inset: 17px; position: absolute; }
.system-core small { font-size: 10px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.system-core strong { font-family: "Source Serif 4", Georgia, serif; font-size: 70px; font-weight: 400; line-height: 1; }
.system-core span { color: var(--mint); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.system-orbit { border: 1px solid rgba(16,39,43,.24); border-radius: 50%; left: 50%; position: absolute; top: 48%; transform: translate(-50%,-50%); }
.system-orbit span { background: var(--paper); font-size: 9px; font-weight: 800; letter-spacing: .14em; padding: 4px 8px; position: absolute; text-transform: uppercase; }
.orbit-one { animation: slowSpin 35s linear infinite; height: 360px; width: 360px; }
.orbit-one span { left: 7px; top: 80px; }
.orbit-two { animation: slowSpinReverse 46s linear infinite; height: 510px; width: 510px; }
.orbit-two span { bottom: 50px; right: 52px; }
.system-node { background: var(--white); border: 1px solid var(--line); box-shadow: 0 12px 25px rgba(16,39,43,.08); font-size: 9px; font-weight: 900; letter-spacing: .1em; padding: 10px 12px; position: absolute; z-index: 4; }
.node-a { left: 0; top: 80px; }
.node-b { right: 5px; top: 120px; }
.node-c { bottom: 42px; left: 15%; }
.node-d { bottom: 24px; right: 8%; }
@keyframes slowSpin { to { transform: translate(-50%,-50%) rotate(360deg); } }
@keyframes slowSpinReverse { to { transform: translate(-50%,-50%) rotate(-360deg); } }
.hero-bottom { align-items: stretch; border-top: 1px solid var(--line); bottom: 0; display: grid; grid-template-columns: repeat(3, 170px) 1fr; left: 6vw; position: absolute; right: 6vw; }
.hero-bottom > div { border-right: 1px solid var(--line); display: flex; flex-direction: column; padding: 22px 24px 22px 0; }
.hero-bottom > div + div { padding-left: 24px; }
.hero-bottom strong { font-family: "Source Serif 4", Georgia, serif; font-size: 32px; font-weight: 400; line-height: 1; }
.hero-bottom span { color: var(--ink-soft); font-size: 10px; font-weight: 800; letter-spacing: .08em; margin-top: 7px; text-transform: uppercase; }
.hero-bottom p { align-self: end; color: var(--ink-soft); font-size: 11px; font-weight: 700; justify-self: end; letter-spacing: .05em; margin: 0 0 22px; text-transform: uppercase; }

.section-index { font-size: 10px; font-weight: 900; letter-spacing: .17em; margin-bottom: 27px; text-transform: uppercase; }
.section-index.light { color: rgba(255,255,255,.64); }
.manifesto { display: grid; gap: 70px; grid-template-columns: 170px 1fr 300px; padding: 120px 6vw; }
.manifesto-lead { font-size: clamp(35px, 4.2vw, 65px); font-weight: 700; letter-spacing: -.045em; line-height: 1.07; margin: 0; }
.manifesto-lead span { color: #789093; }
.manifesto-note { align-self: end; border-top: 1px solid var(--ink); display: grid; gap: 18px; grid-template-columns: 36px 1fr; padding-top: 18px; }
.note-mark { align-items: center; background: var(--mint-strong); color: white; display: flex; font-size: 22px; height: 32px; justify-content: center; width: 32px; }
.manifesto-note p { color: var(--ink-soft); font-size: 13px; line-height: 1.65; margin: 0; }

.featured-section { background: var(--ink); color: var(--white); padding: 110px 6vw 130px; }
.section-head { align-items: end; display: grid; gap: 80px; grid-template-columns: 1fr 380px; margin-bottom: 60px; }
.section-head h2, .catalog-heading h2, .method-copy h2, .standards-lead h2, .closing-copy h2 { font-size: clamp(40px, 5vw, 76px); letter-spacing: -.055em; line-height: 1; margin: 0; }
.section-head > p { color: rgba(255,255,255,.64); font-size: 16px; line-height: 1.7; margin: 0 0 6px; }
.featured-grid { display: grid; gap: 2px; grid-template-columns: repeat(2, minmax(0,1fr)); }
.featured-card { min-height: 650px; overflow: hidden; position: relative; }
.featured-card > button {
  background: transparent;
  border: 0;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: inherit;
  padding: 38px 38px 72px;
  text-align: left;
  width: 100%;
}
.card-short { flex-shrink: 0; font-family: "Source Serif 4", Georgia, serif; font-size: 22px; margin: 0; }
.project-visual {
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(16,39,43,.25);
  box-shadow: 0 28px 70px rgba(16,39,43,.22);
  flex: 0 0 auto;
  height: 265px;
  margin: 40px auto 50px;
  max-width: 480px;
  overflow: hidden;
  position: relative;
  transform: perspective(1000px) rotateX(2deg) rotateY(-3deg);
  transition: transform .45s ease;
  width: 82%;
}
.card-mint { background: var(--mint); color: var(--ink); }
.card-blue { background: var(--blue); color: var(--ink); }
.card-orange { background: var(--orange); color: var(--ink); }
.card-yellow { background: var(--yellow); color: var(--ink); }
.card-violet { background: var(--violet); color: var(--ink); }
.card-rose { background: var(--rose); color: var(--ink); }
.card-green { background: var(--green); color: var(--ink); }
.card-top { align-items: center; display: grid; grid-template-columns: 50px 1fr auto; }
.card-number, .card-area { font-size: 10px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.card-area { text-align: center; }
.card-arrow { align-items: center; border: 1px solid rgba(16,39,43,.35); border-radius: 50%; display: flex; font-size: 21px; height: 42px; justify-content: center; transition: background .2s, color .2s, transform .2s; width: 42px; }
.featured-card:hover .card-arrow { background: var(--ink); color: white; transform: rotate(45deg); }
.featured-card h3 { font-size: clamp(42px, 5vw, 78px); letter-spacing: -.06em; line-height: 1; margin: 42px 0 10px; }
.card-foot { align-items: center; bottom: 27px; display: flex; font-size: 9px; font-weight: 900; justify-content: space-between; left: 38px; letter-spacing: .11em; position: absolute; right: 38px; text-transform: uppercase; }
.featured-card:hover .project-visual { transform: perspective(1000px) rotateX(0) rotateY(0) translateY(-5px); }
.visual-topbar { align-items: center; background: rgba(255,255,255,.78); border-bottom: 1px solid rgba(16,39,43,.13); display: flex; height: 36px; padding: 0 12px; }
.visual-brand { align-items: center; background: var(--ink); color: white; display: flex; font-size: 8px; font-weight: 900; height: 19px; justify-content: center; width: 19px; }
.visual-line { background: rgba(16,39,43,.13); height: 6px; margin-left: 12px; width: 70px; }
.visual-dot { background: var(--mint-strong); border-radius: 50%; height: 7px; margin-left: auto; width: 7px; }
.visual-body { display: grid; grid-template-columns: 48px 1fr; height: calc(100% - 36px); }
.visual-sidebar { align-items: center; background: var(--ink); display: flex; flex-direction: column; gap: 16px; padding-top: 22px; }
.visual-sidebar span { background: rgba(255,255,255,.25); border-radius: 50%; height: 7px; width: 7px; }
.visual-sidebar span.active { background: var(--mint); box-shadow: 0 0 0 5px rgba(255,255,255,.08); }
.visual-content { padding: 22px; }
.visual-kicker { background: rgba(16,39,43,.2); height: 5px; width: 45px; }
.visual-title { background: var(--ink); height: 16px; margin-top: 10px; width: 45%; }
.visual-grid { display: grid; gap: 7px; grid-template-columns: 1.4fr 1fr; grid-template-rows: 1fr 1fr; height: 74px; margin-top: 20px; }
.visual-grid span { background: rgba(255,255,255,.78); border: 1px solid rgba(16,39,43,.14); }
.visual-grid span.tall { background: rgba(19,168,137,.2); grid-row: 1 / 3; }
.visual-table { display: grid; gap: 7px; margin-top: 17px; }
.visual-table span { background: rgba(16,39,43,.1); height: 6px; }
.visual-table span:nth-child(2) { width: 84%; }
.visual-table span:nth-child(3) { width: 67%; }
.visual-float { align-items: center; background: var(--ink); bottom: 16px; color: white; display: flex; font-family: "Source Serif 4", Georgia, serif; font-size: 19px; height: 44px; justify-content: center; position: absolute; right: 16px; width: 44px; }
.visual-large { height: 330px; margin: 0; max-width: none; transform: none; width: 100%; }
.visual-mint .visual-grid span.tall { background: rgba(19,168,137,.28); }
.visual-mint .visual-dot { background: var(--mint-strong); }
.visual-blue .visual-grid span.tall { background: rgba(91,152,219,.35); }
.visual-blue .visual-dot { background: #5b98db; }
.visual-orange .visual-grid span.tall { background: rgba(243,120,40,.3); }
.visual-orange .visual-dot { background: #f37828; }
.visual-yellow .visual-grid span.tall { background: rgba(196,155,0,.28); }
.visual-yellow .visual-dot { background: #c49b00; }
.visual-violet .visual-grid span.tall { background: rgba(125,91,212,.3); }
.visual-violet .visual-dot { background: #7d5bd4; }
.visual-rose .visual-grid span.tall { background: rgba(210,93,119,.3); }
.visual-rose .visual-dot { background: #d25d77; }
.visual-green .visual-grid span.tall { background: rgba(90,157,60,.3); }
.visual-green .visual-dot { background: #5a9d3c; }

.method-section { display: grid; grid-template-columns: 1fr 1fr; min-height: 780px; }
.method-copy { padding: 120px 7vw 110px 6vw; }
.method-copy > p { color: var(--ink-soft); font-size: 17px; line-height: 1.7; margin: 35px 0 50px; max-width: 610px; }
.method-controls { border-top: 1px solid var(--line); }
.method-controls button { align-items: center; background: none; border: 0; border-bottom: 1px solid var(--line); cursor: pointer; display: flex; font-size: 14px; font-weight: 800; gap: 22px; min-height: 62px; padding: 0 14px; position: relative; text-align: left; transition: background .2s, padding .2s; width: 100%; }
.method-controls button span { color: #829597; font-family: "Source Serif 4", Georgia, serif; }
.method-controls button::after { content: "↗"; font-size: 18px; margin-left: auto; opacity: 0; transform: translate(-8px,8px); transition: .2s; }
.method-controls button:hover, .method-controls button.active { background: var(--white); padding-left: 22px; }
.method-controls button.active::after { opacity: 1; transform: translate(0,0); }
.method-stage { background: var(--mint); min-width: 0; overflow: hidden; padding: 54px 5vw; position: relative; }
.method-stage::after { border: 1px solid rgba(16,39,43,.18); border-radius: 50%; content: ""; height: 630px; position: absolute; right: -250px; top: 70px; width: 630px; }
.method-stage-head { border-bottom: 1px solid rgba(16,39,43,.2); display: flex; font-size: 9px; font-weight: 900; justify-content: space-between; letter-spacing: .13em; padding-bottom: 16px; position: relative; z-index: 2; }
.method-stage-number { color: rgba(16,39,43,.12); font-family: "Source Serif 4", Georgia, serif; font-size: 270px; left: 4vw; line-height: 1; position: absolute; top: 80px; }
.method-stage h3 { font-size: clamp(45px,5vw,78px); letter-spacing: -.055em; line-height: 1; margin: 280px 0 25px; position: relative; z-index: 2; }
.method-stage > p { font-size: 17px; line-height: 1.7; max-width: 580px; position: relative; z-index: 2; }
.method-progress { display: flex; gap: 6px; margin-top: 45px; position: relative; z-index: 2; }
.method-progress span { background: rgba(16,39,43,.2); height: 4px; transition: background .3s; width: 60px; }
.method-progress span.active { background: var(--ink); }
.method-stage > button { background: none; border: 0; border-bottom: 1px solid var(--ink); cursor: pointer; display: flex; font-size: 11px; font-weight: 900; gap: 45px; letter-spacing: .08em; margin-top: 34px; padding: 0 0 9px; position: relative; text-transform: uppercase; z-index: 2; }

.catalog-section { padding: 120px 6vw; }
.catalog-heading { align-items: end; display: grid; gap: 80px; grid-template-columns: 1fr 390px; }
.search-box { align-items: center; border-bottom: 2px solid var(--ink); display: flex; padding: 12px 0; }
.search-box > span { font-family: "Source Serif 4", Georgia, serif; font-size: 29px; margin-right: 14px; transform: rotate(-20deg); }
.search-box input { background: transparent; border: 0; color: var(--ink); font-size: 16px; outline: 0; padding: 8px 0; width: 100%; }
.search-box input::placeholder { color: #73888a; }
.search-box button { background: none; border: 0; cursor: pointer; font-size: 24px; }
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 55px 0 35px; }
.filter-row button { align-items: center; background: transparent; border: 1px solid var(--line); cursor: pointer; display: flex; font-size: 11px; font-weight: 800; gap: 15px; min-height: 40px; padding: 0 13px; transition: background .2s, color .2s, border .2s; }
.filter-row button span { align-items: center; background: rgba(16,39,43,.08); border-radius: 50%; display: flex; font-size: 9px; height: 20px; justify-content: center; width: 20px; }
.filter-row button.active, .filter-row button:hover { background: var(--ink); border-color: var(--ink); color: white; }
.filter-row button.active span, .filter-row button:hover span { background: rgba(255,255,255,.15); }
.catalog-summary { align-items: baseline; border-bottom: 1px solid var(--ink); display: flex; gap: 20px; padding-bottom: 17px; }
.catalog-summary span { color: var(--ink-soft); font-size: 9px; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.catalog-summary strong { font-family: "Source Serif 4", Georgia, serif; font-size: 30px; font-weight: 400; }
.catalog-list { border-bottom: 1px solid var(--ink); }
.catalog-row { align-items: center; background: transparent; border: 0; border-bottom: 1px solid var(--line); cursor: pointer; display: grid; gap: 20px; grid-template-columns: 12px 42px 1.7fr 1fr 1fr 42px; min-height: 94px; padding: 10px 5px; text-align: left; transition: background .2s, padding .2s; width: 100%; }
.catalog-row:hover { background: var(--white); padding-left: 15px; padding-right: 15px; }
.catalog-dot { border-radius: 50%; height: 9px; width: 9px; }
.dot-mint { background: var(--mint-strong); } .dot-blue { background: #5b98db; } .dot-orange { background: #f37828; } .dot-yellow { background: #c49b00; } .dot-violet { background: #7d5bd4; } .dot-rose { background: #d25d77; } .dot-green { background: #5a9d3c; }
.catalog-index { color: #809294; font-family: "Source Serif 4", Georgia, serif; font-size: 14px; }
.catalog-name { display: flex; flex-direction: column; }
.catalog-name strong { font-size: 21px; letter-spacing: -.02em; }
.catalog-name small { color: var(--ink-soft); font-size: 12px; margin-top: 4px; }
.catalog-area, .catalog-status { font-size: 10px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.catalog-status { color: var(--ink-soft); }
.catalog-arrow { align-items: center; border: 1px solid var(--line); border-radius: 50%; display: flex; font-size: 18px; height: 36px; justify-content: center; justify-self: end; transition: transform .2s; width: 36px; }
.catalog-row:hover .catalog-arrow { transform: rotate(45deg); }
.empty-state { align-items: center; display: flex; flex-direction: column; min-height: 330px; justify-content: center; text-align: center; }
.empty-state strong { font-size: 28px; }
.empty-state p { color: var(--ink-soft); }
.empty-state button { background: var(--ink); border: 0; color: white; cursor: pointer; font-size: 11px; font-weight: 800; margin-top: 12px; padding: 14px 18px; text-transform: uppercase; }

.standards-section { background: var(--ink); color: var(--white); display: grid; gap: 90px; grid-template-columns: 1fr 1.35fr; padding: 120px 6vw; }
.standards-lead { position: sticky; top: 140px; align-self: start; }
.standards-lead p { color: rgba(255,255,255,.62); font-size: 17px; line-height: 1.7; margin-top: 35px; max-width: 530px; }
.standards-grid { border-top: 1px solid rgba(255,255,255,.18); }
.standards-grid article { border-bottom: 1px solid rgba(255,255,255,.18); display: grid; gap: 25px; grid-template-columns: 60px 1fr; padding: 42px 0; }
.standards-grid article > span { color: var(--mint); font-family: "Source Serif 4", Georgia, serif; font-size: 22px; grid-row: 1 / 3; }
.standards-grid h3 { font-size: 30px; letter-spacing: -.03em; margin: 0; }
.standards-grid p { color: rgba(255,255,255,.62); font-size: 14px; line-height: 1.7; margin: 0; max-width: 550px; }

.closing-section { align-items: center; display: grid; gap: 8vw; grid-template-columns: .8fr 1.3fr; min-height: 720px; overflow: hidden; padding: 100px 8vw; }
.closing-orb { align-items: center; background: var(--mint); border-radius: 50%; display: flex; height: min(36vw,480px); justify-content: center; position: relative; width: min(36vw,480px); }
.closing-orb::before, .closing-orb::after { border: 1px solid var(--line); border-radius: 50%; content: ""; position: absolute; }
.closing-orb::before { inset: 34px; }
.closing-orb::after { inset: -40px; }
.closing-orb span { font-family: "Source Serif 4", Georgia, serif; font-size: clamp(58px,8vw,118px); letter-spacing: -.08em; }
.closing-copy p { color: var(--ink-soft); font-family: "Source Serif 4", Georgia, serif; font-size: 22px; margin: 30px 0 35px; }
.closing-copy > div:last-child { align-items: center; display: flex; gap: 28px; }

footer { align-items: center; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto auto; padding: 35px 6vw; }
footer p { color: var(--ink-soft); font-size: 9px; font-weight: 800; letter-spacing: .09em; margin: 0 0 0 50px; text-transform: uppercase; }

.modal-backdrop {
  align-items: flex-start;
  background: rgba(7,22,25,.78);
  display: flex;
  inset: 0;
  justify-content: flex-end;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: max(22px, env(safe-area-inset-top)) max(22px, env(safe-area-inset-right)) max(22px, env(safe-area-inset-bottom)) max(22px, env(safe-area-inset-left));
  position: fixed;
  z-index: 100;
  backdrop-filter: blur(12px);
}
.project-modal {
  background: var(--paper);
  box-shadow: -30px 0 100px rgba(0,0,0,.24);
  min-height: calc(100vh - 44px);
  min-height: calc(100dvh - 44px);
  max-width: 100%;
  position: relative;
  width: min(1080px, 92vw);
}
.modal-close { align-items: center; background: var(--ink); border: 0; color: white; cursor: pointer; display: flex; font-size: 27px; height: 52px; justify-content: center; position: absolute; right: 0; top: 0; width: 52px; z-index: 4; }
.modal-hero { align-items: center; display: grid; gap: 60px; grid-template-columns: 1fr 1.05fr; min-height: 420px; padding: 70px 60px 55px; }
.modal-mint { background: var(--mint); } .modal-blue { background: var(--blue); } .modal-orange { background: var(--orange); } .modal-yellow { background: var(--yellow); } .modal-violet { background: var(--violet); } .modal-rose { background: var(--rose); } .modal-green { background: var(--green); }
.modal-area { font-size: 10px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.modal-hero h2 { font-size: clamp(50px,6vw,88px); letter-spacing: -.065em; line-height: .9; margin: 25px 0 20px; }
.modal-hero > div > p { font-family: "Source Serif 4", Georgia, serif; font-size: 22px; line-height: 1.35; margin: 0; }
.modal-body { padding: 55px 60px 70px; }
.modal-status-row { align-items: center; display: flex; justify-content: space-between; }
.modal-status-row span, .modal-label, .scale-note span { font-size: 9px; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.modal-status-row strong { color: var(--mint-strong); font-size: 13px; text-transform: uppercase; }
.stage-line { display: grid; grid-template-columns: repeat(8,1fr); margin: 28px 0 58px; }
.stage-point { border-top: 2px solid #c9cfcb; padding-top: 15px; position: relative; }
.stage-point > span { background: var(--paper); border: 2px solid #c9cfcb; border-radius: 50%; height: 12px; left: 0; position: absolute; top: -7px; width: 12px; }
.stage-point small { color: #8a9998; font-size: 8px; font-weight: 800; text-transform: uppercase; }
.stage-point.reached { border-color: var(--mint-strong); }
.stage-point.reached > span { background: var(--mint-strong); border-color: var(--mint-strong); }
.stage-point.reached small { color: var(--ink); }
.modal-columns { display: grid; gap: 70px; grid-template-columns: 1fr 1fr; }
.modal-columns article { border-top: 1px solid var(--ink); padding-top: 17px; }
.modal-columns p { font-size: 17px; line-height: 1.72; }
.scale-note { align-items: center; background: var(--ink); color: white; display: grid; gap: 16px; grid-template-columns: 130px 1fr auto; margin-top: 45px; padding: 25px; }
.scale-note strong { color: var(--mint); font-size: 18px; }
.scale-note small { color: rgba(255,255,255,.55); font-size: 8px; max-width: 150px; }
.modal-bottom-grid { display: grid; gap: 70px; grid-template-columns: 1fr 1fr; margin-top: 58px; }
.modal-bottom-grid > div { border-top: 1px solid var(--ink); padding-top: 17px; }
.modal-bottom-grid ul { list-style: none; margin: 25px 0 0; padding: 0; }
.modal-bottom-grid li { border-bottom: 1px solid var(--line); font-size: 14px; padding: 12px 0 12px 25px; position: relative; }
.modal-bottom-grid li::before { color: var(--mint-strong); content: "+"; font-weight: 900; left: 0; position: absolute; }
.capability-list { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 25px; }
.capability-list span { background: var(--white); border: 1px solid var(--line); font-size: 10px; font-weight: 800; padding: 9px 11px; }
.demo-note { align-items: center; border: 1px solid var(--line); display: grid; gap: 16px; grid-template-columns: 30px 1fr; margin-top: 60px; padding: 18px; }
.demo-note > span { align-items: center; border: 1px solid var(--ink); border-radius: 50%; display: flex; font-family: "Source Serif 4", Georgia, serif; font-style: italic; height: 26px; justify-content: center; width: 26px; }
.demo-note p { color: var(--ink-soft); font-size: 10px; letter-spacing: .03em; margin: 0; }

.presentation {
  --tone: var(--mint);
  --tone-strong: var(--mint-strong);
  background:
    radial-gradient(ellipse 70% 55% at 85% 40%, color-mix(in srgb, var(--tone) 42%, transparent), transparent 70%),
    radial-gradient(ellipse 50% 40% at 10% 90%, color-mix(in srgb, var(--tone) 18%, transparent), transparent 65%),
    var(--paper);
  display: grid;
  grid-template-rows: calc(84px + env(safe-area-inset-top)) 1fr calc(85px + env(safe-area-inset-bottom));
  inset: 0;
  opacity: 0;
  position: fixed;
  transform: translateY(12px) scale(.985);
  transition: opacity .38s cubic-bezier(.22,1,.36,1), transform .45s cubic-bezier(.22,1,.36,1);
  z-index: 120;
}
.presentation.is-active {
  opacity: 1;
  transform: none;
}
.presentation.is-leaving {
  opacity: 0;
  transform: translateY(8px) scale(.99);
  transition-duration: .28s;
}
.presentation.tone-mint { --tone: var(--mint); --tone-strong: var(--mint-strong); }
.presentation.tone-blue { --tone: var(--blue); --tone-strong: #5b98db; }
.presentation.tone-orange { --tone: var(--orange); --tone-strong: #f37828; }
.presentation.tone-yellow { --tone: var(--yellow); --tone-strong: #c49b00; }
.presentation.tone-violet { --tone: var(--violet); --tone-strong: #7d5bd4; }
.presentation.tone-rose { --tone: var(--rose); --tone-strong: #d25d77; }
.presentation.tone-green { --tone: var(--green); --tone-strong: #5a9d3c; }

.presentation-progress {
  background: rgba(16,39,43,.08);
  height: 3px;
  left: 0;
  overflow: hidden;
  position: absolute;
  right: 0;
  top: 0;
  z-index: 5;
}
.presentation-progress > span {
  background: linear-gradient(90deg, var(--tone-strong), var(--ink));
  display: block;
  height: 100%;
  transition: width .55s cubic-bezier(.22,1,.36,1);
  width: 0;
}
.presentation-glow {
  background: radial-gradient(circle at center, color-mix(in srgb, var(--tone) 55%, white), transparent 68%);
  filter: blur(40px);
  height: 42vw;
  max-height: 520px;
  opacity: .35;
  pointer-events: none;
  position: absolute;
  right: 4vw;
  top: 22%;
  transition: background .5s ease, opacity .5s ease;
  width: 42vw;
  max-width: 520px;
  z-index: 0;
}

.presentation-top {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  padding: env(safe-area-inset-top) max(3.5vw, env(safe-area-inset-right)) 0 max(3.5vw, env(safe-area-inset-left));
  position: relative;
  z-index: 2;
}
.presentation-bottom {
  align-items: center;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  padding: 0 max(3.5vw, env(safe-area-inset-right)) env(safe-area-inset-bottom) max(3.5vw, env(safe-area-inset-left));
  position: relative;
  z-index: 2;
}
.presentation-top > span {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 19px;
  letter-spacing: -.02em;
  transition: opacity .3s ease, transform .3s ease;
}
.presentation-top > button {
  background: none;
  border: 0;
  cursor: pointer;
  font-size: 10px;
  font-weight: 900;
  justify-self: end;
  letter-spacing: .12em;
  min-height: 44px;
  padding: 0 4px;
  position: relative;
  transition: color .2s ease;
}
.presentation-top > button::after {
  background: var(--ink);
  bottom: 12px;
  content: "";
  height: 1px;
  left: 0;
  position: absolute;
  right: 0;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .25s ease;
}
.presentation-top > button:hover { color: var(--tone-strong); }
.presentation-top > button:hover::after { transform: scaleX(1); transform-origin: left; }

.presentation-slide {
  align-items: center;
  display: grid;
  gap: 7vw;
  grid-template-columns: 1fr 1fr;
  min-height: 0;
  overflow: auto;
  padding: 5vh 7vw 4vh;
  position: relative;
  z-index: 1;
}
.presentation-meta {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.presentation-meta > span:first-child {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.presentation-status {
  background: color-mix(in srgb, var(--tone) 55%, white);
  border: 1px solid rgba(16,39,43,.12);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .08em;
  padding: 6px 10px;
  text-transform: uppercase;
}
.presentation-copy h2 {
  font-size: clamp(65px, 8vw, 125px);
  letter-spacing: -.075em;
  line-height: .85;
  margin: 28px 0 18px;
}
.presentation-copy h3 {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(21px, 2.5vw, 36px);
  font-weight: 400;
  line-height: 1.2;
  margin: 0 0 22px;
}
.presentation-copy > p {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.7;
  max-width: 700px;
}
.presentation-values {
  border-top: 1px solid var(--line);
  margin-top: 32px;
}
.presentation-values div {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: flex;
  font-size: 13px;
  gap: 20px;
  min-height: 44px;
  text-transform: lowercase;
}
.presentation-values span { color: var(--tone-strong); font-family: "Source Serif 4", Georgia, serif; }
.presentation-stage {
  display: flex;
  gap: 6px;
  margin-top: 28px;
}
.presentation-stage i {
  background: rgba(16,39,43,.12);
  border-radius: 99px;
  display: block;
  flex: 1;
  height: 4px;
  max-width: 48px;
  transition: background .35s ease, transform .35s ease;
}
.presentation-stage i.reached {
  background: var(--tone-strong);
  transform: scaleY(1.35);
}

.presentation-visual-frame {
  isolation: isolate;
  position: relative;
  width: 100%;
}
.presentation-visual-halo {
  background: var(--tone);
  border-radius: 28px;
  inset: 8% -4% -6% 8%;
  opacity: .55;
  position: absolute;
  transform: rotate(2.5deg);
  transition: background .45s ease, opacity .45s ease;
  z-index: 0;
}
.presentation-slide > .project-visual,
.presentation-slide .project-visual-wrap {
  position: relative;
  width: 100%;
  z-index: 1;
}
.presentation-slide > .project-visual,
.presentation-slide .project-visual-wrap .project-visual {
  box-shadow: 0 40px 90px rgba(16,39,43,.22);
  height: min(46vw, 500px);
  max-width: none;
  transform: perspective(1200px) rotateY(-6deg) rotateX(3deg);
  transition: transform .7s cubic-bezier(.22,1,.36,1), box-shadow .4s ease;
  width: 100%;
}
.presentation-visual-frame:hover .project-visual {
  box-shadow: 0 48px 110px rgba(16,39,43,.28);
  transform: perspective(1200px) rotateY(-2deg) rotateX(1deg) translateY(-6px);
}
.presentation-caps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 18px;
  position: relative;
  z-index: 1;
}
.presentation-caps span {
  background: rgba(255,254,250,.88);
  border: 1px solid rgba(16,39,43,.14);
  backdrop-filter: blur(8px);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .04em;
  padding: 8px 11px;
  text-transform: uppercase;
}

.presentation-bottom > button {
  background: none;
  border: 0;
  cursor: pointer;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .04em;
  min-height: 44px;
  text-align: left;
  text-transform: uppercase;
  transition: color .2s ease, transform .2s ease;
}
.presentation-bottom > button:hover {
  color: var(--tone-strong);
  transform: translateX(-2px);
}
.presentation-bottom > button:last-child { text-align: right; }
.presentation-bottom > button:last-child:hover { transform: translateX(2px); }
.presentation-bottom > div { display: flex; gap: 10px; }
.presentation-bottom > div button {
  background: #b9c3c1;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  height: 8px;
  min-height: 8px;
  padding: 0;
  position: relative;
  transition: background .25s ease, transform .25s ease, width .25s ease;
  width: 8px;
}
.presentation-bottom > div button.active {
  background: var(--tone-strong);
  border-radius: 99px;
  transform: none;
  width: 28px;
}
.presentation-hint {
  bottom: calc(92px + env(safe-area-inset-bottom));
  color: #809294;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  margin: 0;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  right: max(3.5vw, env(safe-area-inset-right));
  text-transform: uppercase;
  transition: opacity .4s ease .35s;
  z-index: 2;
}
.presentation.is-active .presentation-hint { opacity: .7; }
.presentation-hint kbd {
  background: rgba(16,39,43,.06);
  border: 1px solid rgba(16,39,43,.12);
  display: inline-block;
  font-family: inherit;
  font-size: 9px;
  font-weight: 800;
  margin: 0 2px;
  min-width: 18px;
  padding: 2px 5px;
  text-align: center;
}

/* Slide enter choreography */
.presentation-slide.anim-next .presentation-copy > *,
.presentation-slide.anim-prev .presentation-copy > *,
.presentation-slide.anim-next .presentation-visual-frame,
.presentation-slide.anim-prev .presentation-visual-frame {
  animation: presoIn .7s cubic-bezier(.22,1,.36,1) both;
}
.presentation-slide.anim-prev .presentation-copy > *,
.presentation-slide.anim-prev .presentation-visual-frame {
  animation-name: presoInPrev;
}
.presentation-slide.anim-next .presentation-meta { animation-delay: .02s; }
.presentation-slide.anim-next #presentationName,
.presentation-slide.anim-prev #presentationName { animation-delay: .08s; }
.presentation-slide.anim-next #presentationShort,
.presentation-slide.anim-prev #presentationShort { animation-delay: .14s; }
.presentation-slide.anim-next #presentationDescription,
.presentation-slide.anim-prev #presentationDescription { animation-delay: .2s; }
.presentation-slide.anim-next .presentation-values,
.presentation-slide.anim-prev .presentation-values { animation-delay: .26s; }
.presentation-slide.anim-next .presentation-stage,
.presentation-slide.anim-prev .presentation-stage { animation-delay: .32s; }
.presentation-slide.anim-next .presentation-visual-frame,
.presentation-slide.anim-prev .presentation-visual-frame { animation-delay: .12s; }
.presentation-values div {
  animation: presoValueIn .55s cubic-bezier(.22,1,.36,1) both;
  animation-delay: calc(.3s + var(--i, 0) * .07s);
}
@keyframes presoIn {
  from { opacity: 0; transform: translate3d(28px, 14px, 0); }
  to { opacity: 1; transform: none; }
}
@keyframes presoInPrev {
  from { opacity: 0; transform: translate3d(-28px, 14px, 0); }
  to { opacity: 1; transform: none; }
}
@keyframes presoValueIn {
  from { opacity: 0; transform: translateX(12px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 1200px) {
  .hero-system { width: 42vw; }
  .section-head, .catalog-heading { gap: 48px; }
  .manifesto { gap: 48px; grid-template-columns: 140px 1fr 260px; }
}

@media (max-width: 1100px) {
  .hero-system { opacity: .28; pointer-events: none; right: -10vw; width: 52vw; }
  .hero-copy { max-width: 640px; }
  .manifesto { grid-template-columns: 120px 1fr; }
  .manifesto-note { grid-column: 2; max-width: 500px; }
  .section-head, .catalog-heading { grid-template-columns: 1fr minmax(240px, 320px); }
  .catalog-row { grid-template-columns: 10px 36px 1.5fr .8fr 1fr 38px; }
  .modal-hero { grid-template-columns: 1fr; gap: 28px; }
  .modal-hero .project-visual { display: none; }
  .closing-section { gap: 5vw; }
}

@media (max-width: 900px) {
  .site-header nav { gap: 18px; }
  .nav-action { font-size: 11px; gap: 14px; padding: 12px 14px; }
  .hero { min-height: 760px; }
  .hero h1 { font-size: clamp(48px, 7vw, 78px); }
  .featured-grid { grid-template-columns: 1fr; }
  .featured-card { min-height: 560px; }
  .method-section { grid-template-columns: 1fr; }
  .method-stage { min-height: 620px; }
  .method-stage-number { font-size: clamp(120px, 28vw, 210px); }
  .method-stage h3 { margin-top: 220px; }
  .standards-section { gap: 50px; grid-template-columns: 1fr; }
  .standards-lead { position: static; }
  .presentation-slide { gap: 4vw; }
  .presentation-copy h2 { font-size: clamp(52px, 8vw, 96px); }
}

@media (max-width: 820px) {
  .site-header {
    height: calc(72px + env(safe-area-inset-top));
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
  }
  .menu-toggle { display: block; }
  .site-header nav {
    align-items: stretch;
    background: rgba(243, 241, 233, 0.98);
    border-bottom: 1px solid var(--line);
    display: none;
    flex-direction: column;
    gap: 0;
    left: 0;
    max-height: calc(100dvh - 72px - env(safe-area-inset-top));
    overflow-y: auto;
    padding: 12px max(20px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
    position: absolute;
    right: 0;
    top: 100%;
    -webkit-overflow-scrolling: touch;
  }
  .site-header nav.open { display: flex; }
  .site-header nav > a {
    border-bottom: 1px solid var(--line);
    font-size: 16px;
    min-height: 52px;
    padding: 16px 0;
  }
  .site-header nav > a::after { display: none; }
  .nav-action { justify-content: space-between; margin-top: 16px; min-height: 52px; width: 100%; }

  .hero {
    display: flex;
    flex-direction: column;
    min-height: calc(100dvh - env(safe-area-inset-top));
    min-height: 100svh;
    overflow: hidden;
    padding: calc(96px + env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) 0 max(20px, env(safe-area-inset-left));
  }
  .hero::before, .hero-gridline { display: none; }
  .hero-copy {
    flex: 1 1 auto;
    max-width: none;
    padding-bottom: 28px;
    position: relative;
    z-index: 2;
  }
  .hero h1 {
    font-size: clamp(42px, 11vw, 64px);
    margin: 28px 0 22px;
  }
  .hero-copy > p { font-size: 16px; line-height: 1.6; max-width: 36em; }
  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
    margin-top: 28px;
  }
  .primary-button { justify-content: space-between; width: 100%; }
  .text-button { min-height: 44px; }
  .hero-system {
    bottom: 88px;
    height: 280px;
    opacity: .22;
    pointer-events: none;
    right: -90px;
    top: auto;
    width: 360px;
    z-index: 0;
  }
  .system-core { height: 120px; width: 120px; }
  .system-core strong { font-size: 40px; }
  .orbit-one { height: 190px; width: 190px; }
  .orbit-two { height: 280px; width: 280px; }
  .system-node { display: none; }
  .hero-bottom {
    border-top: 1px solid var(--line);
    bottom: auto;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    left: auto;
    margin-top: auto;
    position: relative;
    right: auto;
    width: 100%;
    z-index: 2;
  }
  .hero-bottom > div {
    border-right: 1px solid var(--line);
    min-width: 0;
    padding: 16px 10px 18px 0 !important;
  }
  .hero-bottom > div + div { padding-left: 12px !important; }
  .hero-bottom > div:last-of-type { border-right: 0; }
  .hero-bottom p { display: none; }
  .hero-bottom strong { font-size: 24px; }
  .hero-bottom span {
    font-size: 8px;
    letter-spacing: .06em;
    line-height: 1.3;
    margin-top: 6px;
    word-break: break-word;
  }

  .manifesto { gap: 24px; grid-template-columns: 1fr; padding: 72px max(20px, env(safe-area-inset-left)) 72px max(20px, env(safe-area-inset-right)); }
  .manifesto-note { grid-column: 1; }
  .manifesto-lead { font-size: clamp(28px, 8vw, 40px); }

  .featured-section,
  .catalog-section,
  .standards-section {
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }
  .featured-section { padding-top: 80px; padding-bottom: 90px; }
  .section-head, .catalog-heading { align-items: start; gap: 28px; grid-template-columns: 1fr; margin-bottom: 40px; }
  .section-head > p { max-width: none; }
  .section-head h2, .catalog-heading h2, .method-copy h2, .standards-lead h2, .closing-copy h2 {
    font-size: clamp(34px, 9vw, 52px);
  }
  .featured-grid { grid-template-columns: 1fr; }
  .featured-card { min-height: 0; }
  .featured-card > button { padding: 24px 24px 64px; }
  .featured-card h3 { font-size: clamp(36px, 10vw, 56px); margin: 28px 0 10px; word-break: break-word; }
  .card-short { font-size: 18px; }
  .card-foot { left: 24px; right: 24px; gap: 12px; }
  .card-foot span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .project-visual { height: 200px; margin: 28px auto 24px; width: min(92%, 420px); }

  .method-copy { padding: 72px max(20px, env(safe-area-inset-left)) 48px max(20px, env(safe-area-inset-right)); }
  .method-controls button { font-size: 15px; gap: 14px; min-height: 56px; padding-right: 8px; }
  .method-stage {
    min-height: 560px;
    padding: 40px max(20px, env(safe-area-inset-left)) 48px max(20px, env(safe-area-inset-right));
  }
  .method-stage-number { font-size: clamp(110px, 36vw, 180px); left: max(12px, env(safe-area-inset-left)); top: 70px; }
  .method-stage h3 { font-size: clamp(36px, 10vw, 56px); margin: 200px 0 20px; }
  .method-stage > p { font-size: 16px; }
  .method-progress { flex-wrap: wrap; }
  .method-progress span { width: 48px; }
  .method-stage > button { min-height: 44px; }

  .catalog-section { padding-top: 80px; padding-bottom: 80px; }
  .filter-row {
    -ms-overflow-style: none;
    flex-wrap: nowrap;
    margin-left: calc(-1 * max(20px, env(safe-area-inset-left)));
    margin-right: calc(-1 * max(20px, env(safe-area-inset-right)));
    overflow-x: auto;
    padding: 0 max(20px, env(safe-area-inset-left)) 10px max(20px, env(safe-area-inset-right));
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .filter-row::-webkit-scrollbar { display: none; }
  .filter-row button { flex: 0 0 auto; min-height: 44px; }
  .catalog-row {
    gap: 12px;
    grid-template-columns: 10px 28px minmax(0, 1fr) 36px;
    min-height: 84px;
    padding: 12px 4px;
  }
  .catalog-area, .catalog-status { display: none; }
  .catalog-name { min-width: 0; }
  .catalog-name strong { font-size: 17px; }
  .catalog-name small {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    overflow: hidden;
  }

  .standards-section { padding-top: 80px; padding-bottom: 80px; }
  .standards-grid article { gap: 16px; grid-template-columns: 44px 1fr; padding: 28px 0; }
  .standards-grid h3 { font-size: 24px; }

  .closing-section {
    gap: 40px;
    grid-template-columns: 1fr;
    min-height: 0;
    padding: 72px max(20px, env(safe-area-inset-left)) 80px max(20px, env(safe-area-inset-right));
    text-align: left;
  }
  .closing-orb {
    height: min(70vw, 260px);
    margin: 0 auto;
    width: min(70vw, 260px);
  }
  .closing-orb::after { inset: -24px; }
  .closing-copy > div:last-child {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
  }
  .closing-copy .primary-button { justify-content: space-between; width: 100%; }

  footer {
    gap: 14px;
    grid-template-columns: 1fr;
    padding: 28px max(20px, env(safe-area-inset-left)) calc(28px + env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-right));
  }
  footer p { margin: 0; line-height: 1.5; }

  .modal-backdrop {
    justify-content: stretch;
    padding: 0;
  }
  .project-modal {
    border-radius: 0;
    box-shadow: none;
    min-height: 100dvh;
    min-height: 100vh;
    width: 100%;
  }
  .modal-close {
    height: 48px;
    right: max(0px, env(safe-area-inset-right));
    top: env(safe-area-inset-top);
    width: 48px;
  }
  .modal-hero, .modal-body {
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }
  .modal-hero {
    min-height: 0;
    padding-bottom: 36px;
    padding-top: calc(64px + env(safe-area-inset-top));
  }
  .modal-hero h2 { font-size: clamp(40px, 11vw, 58px); word-break: break-word; }
  .modal-body { padding-bottom: calc(48px + env(safe-area-inset-bottom)); padding-top: 36px; }
  .modal-columns, .modal-bottom-grid { gap: 28px; grid-template-columns: 1fr; }
  .modal-columns p { font-size: 16px; }
  .scale-note { gap: 10px; grid-template-columns: 1fr; }
  .stage-line {
    -webkit-overflow-scrolling: touch;
    gap: 0;
    margin-bottom: 40px;
    overflow-x: auto;
    padding-bottom: 12px;
  }
  .stage-point { min-width: 72px; }
  .capability-list span { font-size: 11px; padding: 10px 12px; }

  .presentation-slide {
    align-items: start;
    grid-template-columns: 1fr;
    padding: 28px max(20px, env(safe-area-inset-left)) 28px max(20px, env(safe-area-inset-right));
  }
  .presentation-visual-frame,
  .presentation-glow,
  .presentation-hint { display: none; }
  .presentation-copy h2 {
    font-size: clamp(42px, 12vw, 68px);
    margin: 22px 0 14px;
    word-break: break-word;
  }
  .presentation-copy h3 { font-size: clamp(18px, 5vw, 26px); }
  .presentation-copy > p { font-size: 15px; }
  .presentation-values div { align-items: flex-start; font-size: 13px; min-height: 48px; padding: 10px 0; }
  .presentation-top > button,
  .presentation-bottom > button { min-height: 44px; }
  .presentation-status { font-size: 8px; }
  .presentation-stage { margin-top: 22px; }
}

@media (max-width: 520px) {
  .brand small { display: none; }
  .hero { min-height: auto; padding-top: calc(88px + env(safe-area-inset-top)); }
  .hero-system { display: none; }
  .eyebrow { font-size: 11px; letter-spacing: .12em; }
  .hero h1 { font-size: clamp(38px, 11.5vw, 48px); letter-spacing: -.05em; }
  .card-foot span:last-child { display: none; }
  .catalog-index { display: none; }
  .catalog-row { grid-template-columns: 10px minmax(0, 1fr) 36px; }
  .method-stage h3 { margin-top: 170px; }
  .presentation {
    grid-template-rows: calc(68px + env(safe-area-inset-top)) 1fr calc(68px + env(safe-area-inset-bottom));
  }
  .presentation-brand small { display: block; }
  .presentation-top { grid-template-columns: 1fr auto; }
  .presentation-top > span { display: none; }
  .presentation-bottom { grid-template-columns: 1fr 1fr; }
  .presentation-bottom > div { display: none; }
  .modal-status-row { align-items: flex-start; flex-direction: column; gap: 8px; }
}

@media (max-width: 820px) and (orientation: landscape) {
  .hero {
    min-height: 0;
    padding-top: calc(84px + env(safe-area-inset-top));
  }
  .hero-system { display: none; }
  .hero-actions { flex-direction: row; flex-wrap: wrap; }
  .primary-button { width: auto; }
  .hero-bottom { margin-top: 28px; }
  .method-stage { min-height: 0; }
  .method-stage-number { font-size: 120px; }
  .method-stage h3 { margin-top: 120px; }
  .presentation-slide { padding-top: 16px; padding-bottom: 16px; }
}

@media (min-width: 821px) and (max-width: 1100px) {
  .hero {
    padding-bottom: 120px;
  }
  .hero-bottom {
    grid-template-columns: repeat(3, minmax(120px, 160px)) 1fr;
  }
  .hero-copy { padding-right: 8vw; }
}

@media (hover: none) and (pointer: coarse) {
  .featured-card:hover .card-arrow,
  .featured-card:hover .project-visual,
  .nav-action:hover,
  .primary-button:hover {
    transform: none;
  }
  .filter-row button:hover:not(.active) {
    background: transparent;
    border-color: var(--line);
    color: inherit;
  }
  .filter-row button:hover:not(.active) span {
    background: rgba(16,39,43,.08);
  }
  .catalog-row:hover {
    background: transparent;
    padding-left: 5px;
    padding-right: 5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .001ms !important;
  }
  .presentation,
  .presentation.is-active,
  .presentation.is-leaving {
    opacity: 1;
    transform: none;
  }
  .presentation-slide.anim-next .presentation-copy > *,
  .presentation-slide.anim-prev .presentation-copy > *,
  .presentation-slide.anim-next .presentation-visual-frame,
  .presentation-slide.anim-prev .presentation-visual-frame,
  .presentation-values div {
    animation: none !important;
    opacity: 1;
    transform: none;
  }
}