/* Nana Labs — shared library and case-study patterns. */
:root {
  --labs-lime: #bfd94f;
  --labs-deep: #0b3029;
  --labs-night: #101513;
  --labs-cream: #f4f3ec;
  --labs-mist: #dfe3d4;
}

body.labs-page {
  background: var(--labs-cream);
  overflow-x: hidden;
}

.labs-page .site-header.scrolled { background: rgba(244, 243, 236, .94); }
.orion-page .site-header:not(.scrolled) { color: var(--white); }
.labs-page .site-nav a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.labs-page main { overflow: clip; }
.labs-page .button { border-radius: 999px; }
.labs-page .button-primary { box-shadow: 0 14px 32px rgba(82, 109, 0, .18); }

.labs-hero {
  position: relative;
  min-height: 78svh;
  display: grid;
  align-items: end;
  padding: 150px 0 86px;
  overflow: hidden;
}

.labs-hero::before,
.orion-hero::before {
  content: "";
  position: absolute;
  width: min(58vw, 780px);
  aspect-ratio: 1;
  right: -10%;
  top: -26%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(191,217,79,.32), rgba(191,217,79,.07) 42%, transparent 70%);
  filter: blur(7px);
  pointer-events: none;
}

.labs-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 8vw;
  align-items: end;
}

.labs-kicker,
.lab-label,
.orion-kicker,
.story-no,
.status-badge,
.breadcrumb {
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.labs-kicker,
.orion-kicker { display: flex; gap: 10px; align-items: center; }
.labs-kicker::before,
.orion-kicker::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--labs-lime); }

.labs-hero h1,
.orion-hero h1 {
  margin: 30px 0 22px;
  font-size: clamp(5rem, 11vw, 10rem);
  line-height: .76;
  letter-spacing: -.085em;
}

.labs-hero h1 em { font-family: var(--serif); font-weight: 400; }
.labs-hero-copy > p:last-child { max-width: 720px; margin: 0; font-size: clamp(1.12rem, 2vw, 1.48rem); line-height: 1.48; }

.labs-hero-aside {
  position: relative;
  padding: 28px 0 4px 32px;
  border-left: 1px solid var(--line);
}

.labs-hero-aside strong { display: block; font-size: clamp(2.2rem, 4vw, 4.5rem); letter-spacing: -.07em; line-height: .9; }
.labs-hero-aside span { display: block; margin-top: 14px; color: var(--muted); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }

.labs-library { padding: 110px 0 140px; background: var(--labs-deep); color: var(--white); }
.labs-section-head { display: flex; justify-content: space-between; gap: 40px; align-items: end; margin-bottom: 52px; }
.labs-section-head h2 { margin: 16px 0 0; font-size: clamp(2.6rem, 5vw, 5rem); line-height: .95; letter-spacing: -.06em; }
.labs-section-head > p { max-width: 360px; margin: 0; color: #aeb7ae; }

.lab-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; }
.lab-card {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 26px;
  background: #f1f0e8;
  color: var(--ink);
  box-shadow: 0 45px 110px rgba(0,0,0,.2);
  transition: transform .35s ease, box-shadow .35s ease;
}

.lab-card:hover { transform: translateY(-6px); box-shadow: 0 54px 130px rgba(0,0,0,.28); }
.lab-card-copy { display: flex; flex-direction: column; padding: clamp(32px, 5vw, 64px); }
.lab-card-top { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.status-badge { display: inline-flex; align-items: center; gap: 8px; width: max-content; padding: 8px 12px; border: 1px solid rgba(14,47,42,.2); border-radius: 999px; }
.status-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #6e9300; box-shadow: 0 0 0 5px rgba(110,147,0,.12); }
.lab-card h2 { margin: auto 0 18px; font-size: clamp(4rem, 8vw, 8rem); line-height: .76; letter-spacing: -.085em; }
.lab-category { color: #607300; }
.lab-card-description { max-width: 620px; margin: 0 0 28px; font-size: 1.05rem; line-height: 1.5; }
.lab-themes { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 34px; padding: 0; list-style: none; }
.lab-themes li { padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; font-size: .64rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
.lab-card .text-link { width: max-content; }

.lab-card-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  background: var(--labs-lime);
  overflow: hidden;
  isolation: isolate;
}

.lab-card-visual::before { content: ""; position: absolute; inset: 12%; border: 1px solid rgba(10,48,41,.18); border-radius: 50%; }
.lab-card-visual::after { content: ""; position: absolute; width: 64%; aspect-ratio: 1; border: 1px solid rgba(10,48,41,.18); border-radius: 50%; box-shadow: 0 0 0 48px rgba(255,255,255,.07), 0 0 0 96px rgba(255,255,255,.05); }
.orion-mark { position: relative; z-index: 2; display: grid; place-items: center; width: min(52%, 260px); aspect-ratio: 1; border-radius: 50%; background: var(--labs-deep); color: var(--white); box-shadow: 0 35px 70px rgba(7,45,38,.34); }
.orion-mark strong { font-size: clamp(2rem, 4vw, 4.5rem); letter-spacing: -.07em; }
.orion-mark span { position: absolute; bottom: 24%; color: var(--labs-lime); font-size: .58rem; letter-spacing: .2em; text-transform: uppercase; }
.orbit-dot { position: absolute; z-index: 3; width: 13px; height: 13px; border-radius: 50%; background: var(--labs-deep); box-shadow: 0 0 0 8px rgba(11,48,41,.12); }
.orbit-dot.one { top: 22%; right: 19%; }
.orbit-dot.two { bottom: 20%; left: 20%; width: 8px; height: 8px; }

.labs-note { display: flex; justify-content: space-between; gap: 40px; padding-top: 36px; color: #aeb7ae; font-size: .8rem; }
.labs-note strong { color: var(--labs-lime); }

/* Labs focus and roadmap */
.labs-focus { padding: 120px 0; background: var(--labs-cream); }
.labs-focus .labs-section-head > p,
.labs-roadmap .labs-section-head > p,
.continue-section .labs-section-head > p { color: var(--muted); }
.focus-grid { display: grid; grid-template-columns: 1.1fr .95fr .95fr; gap: 14px; }
.focus-column { min-height: 410px; padding: 28px; overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,.42); }
.focus-column.focus-active { background: var(--labs-deep); color: var(--white); box-shadow: 0 32px 80px rgba(11,48,41,.2); }
.focus-heading { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.focus-active .focus-heading { border-color: rgba(255,255,255,.15); }
.focus-dot { width: 8px; height: 8px; border-radius: 50%; background: #9da39d; }
.focus-active .focus-dot { background: var(--labs-lime); box-shadow: 0 0 0 6px rgba(191,217,79,.11); }
.focus-heading p { margin: 0; font-size: .68rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.focus-heading strong { color: #717772; font-family: var(--serif); font-size: 1.25rem; font-style: italic; }
.focus-active .focus-heading strong { color: var(--labs-lime); }
.focus-feature { display: flex; height: calc(100% - 52px); flex-direction: column; align-items: flex-start; padding-top: 32px; }
.focus-feature .status-badge { border-color: rgba(255,255,255,.18); }
.focus-feature h3 { margin: auto 0 13px; font-size: clamp(2.8rem, 5vw, 5rem); line-height: .8; letter-spacing: -.07em; }
.focus-feature p { max-width: 390px; margin: 0 0 24px; color: #b8c0ba; font-size: .82rem; line-height: 1.45; }
.focus-feature a { display: inline-flex; gap: 10px; align-items: center; color: var(--labs-lime); font-size: .72rem; font-weight: 800; }
.focus-feature .icon { width: 17px; height: 17px; }
.focus-list { display: grid; margin-top: 12px; }
.focus-list > div { min-height: 98px; display: flex; flex-direction: column; justify-content: center; border-bottom: 1px solid var(--line); }
.focus-list > div:last-child { border-bottom: 0; }
.focus-list span { color: #718500; font-size: .56rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.focus-list h3 { margin: 7px 0 0; font-size: 1rem; line-height: 1.3; }

.labs-roadmap { padding: 120px 0; background: var(--labs-mist); }
.roadmap-shell { overflow: hidden; border: 1px solid rgba(18,21,19,.15); border-radius: 26px; background: #f3f2eb; box-shadow: 0 30px 80px rgba(26,34,29,.1); }
.roadmap-year { display: flex; justify-content: space-between; gap: 24px; align-items: end; padding: 30px; border-bottom: 1px solid var(--line); }
.roadmap-year strong { font-size: clamp(2.4rem, 5vw, 5rem); line-height: .8; letter-spacing: -.07em; }
.roadmap-year span { color: var(--muted); font-size: .68rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.roadmap-track { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); padding: 34px 30px 38px; }
.roadmap-item { position: relative; min-height: 128px; padding: 30px 18px 0 0; border-top: 1px solid rgba(18,21,19,.24); }
.roadmap-item::before { content: ""; position: absolute; top: -6px; left: 0; width: 11px; height: 11px; border-radius: 50%; background: #a0a69e; }
.roadmap-item:not(:last-child)::after { content: "→"; position: absolute; top: -15px; right: 12px; color: #7c827d; font-size: 1rem; }
.roadmap-item.is-active::before { background: #6f9000; box-shadow: 0 0 0 7px rgba(111,144,0,.12); }
.roadmap-item span { display: block; color: #747a75; font-size: .54rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.roadmap-item.is-active span { color: #617c00; }
.roadmap-item strong { display: block; max-width: 150px; margin-top: 12px; font-size: .78rem; line-height: 1.35; }
.roadmap-future { display: grid; grid-template-columns: 180px 1fr; gap: 22px; align-items: center; padding: 24px 30px; background: var(--labs-night); color: var(--white); }
.roadmap-future p { margin: 0; color: var(--labs-lime); font-size: .6rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.roadmap-future div { display: flex; flex-wrap: wrap; gap: 8px; }
.roadmap-future span { padding: 7px 10px; border: 1px solid rgba(255,255,255,.15); border-radius: 999px; color: #d7dcd7; font-size: .62rem; }

.lab-card-action { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.lab-card-action > span { color: var(--muted); font-size: .64rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.lab-card-action .button { min-height: 44px; padding: 9px 16px; }
.lab-card:hover .orion-mark { transform: scale(1.035); }
.orion-mark { transition: transform .45s cubic-bezier(.2,.8,.2,1); }

/* ORION story */
.orion-hero { position: relative; min-height: 100svh; padding: 132px 0 70px; overflow: hidden; background: var(--labs-night); color: var(--white); }
.breadcrumb { position: relative; z-index: 2; display: flex; gap: 10px; align-items: center; margin-bottom: 42px; color: #a4aca6; }
.breadcrumb a { color: var(--labs-lime); }
.orion-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .9fr 1.1fr; gap: 6vw; align-items: center; }
.orion-hero h1 { margin-bottom: 30px; }
.orion-subtitle { margin: 0 0 24px; color: var(--labs-lime); font-size: .76rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.orion-value { max-width: 620px; margin: 0; color: #ced3ce; font-size: clamp(1.08rem, 1.8vw, 1.42rem); line-height: 1.5; }

.hero-system-map { position: relative; display: grid; gap: 12px; padding: 38px; border: 1px solid rgba(255,255,255,.12); border-radius: 28px; background: rgba(255,255,255,.045); box-shadow: 0 35px 100px rgba(0,0,0,.3); }
.system-node { position: relative; display: flex; align-items: center; gap: 14px; min-height: 58px; padding: 12px 16px; border: 1px solid rgba(255,255,255,.1); border-radius: 14px; background: #17201d; }
.system-node::after { content: ""; position: absolute; left: 29px; bottom: -13px; width: 1px; height: 13px; background: var(--labs-lime); }
.system-node:last-child::after { display: none; }
.system-node svg,
.story-icon { width: 22px; height: 22px; fill: none; stroke: var(--labs-lime); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; }
.system-node span { font-size: .75rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
.system-node { animation: systemPulse 6s ease-in-out infinite; }
.system-node:nth-child(2) { animation-delay: .55s; }
.system-node:nth-child(3) { animation-delay: 1.1s; }
.system-node:nth-child(4) { animation-delay: 1.65s; }
.system-node:nth-child(5) { animation-delay: 2.2s; }
@keyframes systemPulse { 0%,20%,100% { border-color: rgba(255,255,255,.1); box-shadow: none; } 8% { border-color: rgba(191,217,79,.48); box-shadow: 0 0 24px rgba(191,217,79,.09); } }

.story-section { position: relative; padding: 110px 0; }
.story-section.light { background: var(--labs-cream); }
.story-section.ink { background: var(--labs-night); color: var(--white); }
.story-section.mist { background: var(--labs-mist); }
.story-head { display: grid; grid-template-columns: 100px minmax(0, 1fr) minmax(260px, 420px); gap: 30px; align-items: start; margin-bottom: 54px; }
.story-no { color: #698100; }
.story-head h2 { margin: 0; font-size: clamp(2.5rem, 5vw, 5rem); line-height: .94; letter-spacing: -.06em; }
.story-head > p { margin: 4px 0 0; color: var(--muted); }
.ink .story-head > p { color: #aeb7ae; }
.story-lead { max-width: 840px; margin: 0 auto; font-size: clamp(1.35rem, 2.8vw, 2.35rem); line-height: 1.35; letter-spacing: -.035em; text-align: center; }

.problem-chain { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; }
.problem-step { position: relative; min-height: 150px; display: flex; flex-direction: column; justify-content: space-between; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.48); }
.problem-step:not(:last-child)::after { content: "→"; position: absolute; right: -15px; top: 50%; z-index: 2; color: #607300; font-weight: 800; }
.problem-step span { color: #6b740f; font-family: var(--serif); font-size: 1.2rem; font-style: italic; }
.problem-step strong { font-size: .86rem; line-height: 1.35; }

.challenge-grid,
.principle-grid,
.lesson-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.story-card { min-height: 185px; padding: 24px; border: 1px solid rgba(255,255,255,.12); border-radius: 18px; background: #18201d; }
.story-card svg { margin-bottom: 34px; }
.story-card h3 { margin: 0; color: var(--white); font-size: 1rem; line-height: 1.3; }
.story-card p { margin: 10px 0 0; color: #aeb7ae; font-size: .78rem; line-height: 1.45; }

.evolution-timeline { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); padding-top: 32px; }
.evolution-step { position: relative; padding: 32px 16px 0 0; border-top: 1px solid rgba(18,21,19,.28); }
.evolution-step::before { content: ""; position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border-radius: 50%; background: var(--labs-lime); box-shadow: 0 0 0 6px rgba(105,129,0,.12); }
.evolution-step span { display: block; color: #698100; font-family: var(--serif); font-style: italic; }
.evolution-step strong { display: block; max-width: 120px; margin-top: 12px; font-size: .74rem; line-height: 1.4; }

.workflow-map { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; counter-reset: workflow; }
.workflow-step { position: relative; min-height: 124px; display: flex; align-items: end; padding: 20px; border: 1px solid rgba(255,255,255,.12); border-radius: 16px; background: #18211e; counter-increment: workflow; }
.workflow-step::before { content: "0" counter(workflow); position: absolute; top: 17px; left: 20px; color: var(--labs-lime); font-family: var(--serif); font-style: italic; }
.workflow-step:not(:nth-child(3n))::after { content: "→"; position: absolute; right: -9px; top: 50%; z-index: 2; color: var(--labs-lime); }
.workflow-step strong { font-size: .82rem; line-height: 1.3; }

.principle-card { min-height: 160px; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.42); }
.principle-card svg { stroke: #617900; margin-bottom: 25px; }
.principle-card h3 { margin: 0; font-size: .95rem; }
.principle-card p { margin: 8px 0 0; color: var(--muted); font-size: .75rem; line-height: 1.45; }

.direction-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.direction-column { padding: clamp(28px, 4vw, 50px); border-radius: 24px; }
.direction-column.didnt { background: #e8e7df; }
.direction-column.worked { background: var(--labs-deep); color: var(--white); box-shadow: 0 35px 90px rgba(11,48,41,.22); }
.direction-column h3 { margin: 0 0 28px; font-size: clamp(1.7rem, 3vw, 2.8rem); letter-spacing: -.05em; }
.direction-column ul { display: grid; gap: 13px; margin: 0; padding: 0; list-style: none; }
.direction-column li { position: relative; padding-left: 24px; font-size: .85rem; }
.direction-column li::before { content: ""; position: absolute; left: 0; top: .65em; width: 9px; height: 1px; background: currentColor; }
.worked li::before { background: var(--labs-lime); }

.architecture-map { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.architecture-node { position: relative; min-height: 132px; display: grid; place-items: center; padding: 18px; border: 1px solid rgba(255,255,255,.12); border-radius: 18px; background: #18201d; text-align: center; }
.architecture-node:not(:nth-child(4n))::after { content: "↔"; position: absolute; right: -12px; z-index: 2; color: var(--labs-lime); }
.architecture-node svg { margin-bottom: 10px; }
.architecture-node strong { color: var(--white); font-size: .76rem; line-height: 1.3; }

.status-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.status-column { min-height: 340px; padding: 30px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.38); }
.status-column:nth-child(2) { background: #f3f2eb; }
.status-column:nth-child(3) { background: var(--labs-deep); color: var(--white); }
.status-column h3 { margin: 0 0 26px; font-size: 1.8rem; letter-spacing: -.05em; }
.status-column small { display: block; margin: -18px 0 22px; color: #718500; font-size: .62rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.status-column ul { display: grid; gap: 13px; margin: 0; padding-left: 18px; font-size: .82rem; }
.status-column:nth-child(3) small { color: var(--labs-lime); }

.lesson-grid { grid-template-columns: repeat(3, 1fr); }
.lesson-card { min-height: 170px; padding: 26px; border: 1px solid rgba(255,255,255,.12); border-radius: 18px; background: #18201d; }
.lesson-card span { color: var(--labs-lime); font-family: var(--serif); font-style: italic; }
.lesson-card p { margin: 24px 0 0; color: #d7dbd6; line-height: 1.45; }

.orion-closing { padding: 130px 0; background: var(--labs-lime); color: var(--ink); text-align: center; }
.orion-closing h2 { max-width: 980px; margin: 0 auto 38px; font-size: clamp(2.8rem, 6vw, 6.2rem); line-height: .95; letter-spacing: -.07em; }
.orion-closing p { max-width: 660px; margin: 0 auto 36px; font-size: 1.05rem; }
.orion-closing .button-row { justify-content: center; }

.continue-section { padding: 110px 0; background: var(--labs-cream); }
.continue-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.continue-card { min-height: 230px; display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.44); transition: transform .3s ease, background .3s ease; }
.continue-card:hover { transform: translateY(-4px); background: #fffef8; }
.continue-card > span { color: #718500; font-size: .58rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.continue-card h3 { margin: auto 0 10px; font-size: 1.35rem; letter-spacing: -.035em; }
.continue-card p { margin: 0; color: var(--muted); font-size: .78rem; line-height: 1.45; }

.labs-footer .brand { display: inline-block; }

@media (max-width: 1000px) {
  .challenge-grid,
  .principle-grid { grid-template-columns: repeat(2, 1fr); }
  .problem-chain { grid-template-columns: repeat(3, 1fr); }
  .problem-step:nth-child(3)::after { display: none; }
  .evolution-timeline { grid-template-columns: repeat(4, 1fr); row-gap: 42px; }
  .architecture-map { grid-template-columns: repeat(2, 1fr); }
  .architecture-node:nth-child(2n)::after { display: none; }
  .focus-grid { grid-template-columns: 1fr 1fr; }
  .focus-active { grid-column: 1 / -1; }
  .roadmap-track { grid-template-columns: repeat(3,1fr); row-gap: 34px; }
}

@media (max-width: 900px) {
  .labs-hero-grid,
  .orion-hero-grid,
  .lab-card { grid-template-columns: 1fr; }
  .labs-hero { min-height: auto; padding-top: 130px; }
  .labs-hero-aside { max-width: 420px; }
  .lab-card-visual { min-height: 430px; order: -1; }
  .lab-card h2 { margin-top: 70px; }
  .story-head { grid-template-columns: 70px 1fr; }
  .story-head > p { grid-column: 2; }
  .hero-system-map { margin-top: 30px; }
  .orion-hero { min-height: auto; }
  .evolution-timeline { grid-template-columns: repeat(3, 1fr); }
  .roadmap-track { grid-template-columns: repeat(2,1fr); }
  .roadmap-future { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .labs-hero { padding: 112px 0 70px; }
  .labs-hero h1,
  .orion-hero h1 { font-size: clamp(4.6rem, 23vw, 7rem); }
  .labs-hero-grid { gap: 48px; }
  .labs-hero-aside { padding-left: 22px; }
  .labs-library,
  .labs-focus,
  .labs-roadmap,
  .story-section { padding: 78px 0; }
  .labs-section-head { display: block; }
  .labs-section-head > p { margin-top: 22px; }
  .lab-card { min-height: 0; border-radius: 20px; }
  .lab-card-visual { min-height: 300px; }
  .lab-card-copy { padding: 28px 22px 32px; }
  .lab-card-top { align-items: flex-start; flex-direction: column; }
  .lab-card h2 { margin-top: 54px; }
  .labs-note { flex-direction: column; gap: 10px; }
  .focus-grid,
  .roadmap-track,
  .continue-grid { grid-template-columns: 1fr; }
  .focus-active { grid-column: auto; }
  .focus-column { min-height: 0; padding: 22px; }
  .focus-feature { height: auto; min-height: 280px; }
  .roadmap-year { align-items: flex-start; flex-direction: column; }
  .roadmap-track { padding: 30px 24px; }
  .roadmap-item { min-height: 92px; padding: 0 0 26px 28px; border-top: 0; border-left: 1px solid rgba(18,21,19,.24); }
  .roadmap-item::before { top: 0; left: -6px; }
  .roadmap-item:not(:last-child)::after { content: "↓"; top: auto; right: auto; left: -5px; bottom: 6px; }
  .roadmap-item strong { max-width: none; margin-top: 5px; }
  .roadmap-future { padding: 24px; }
  .lab-card-action { align-items: flex-start; flex-direction: column; }
  .orion-hero { padding: 112px 0 64px; }
  .breadcrumb { margin-bottom: 28px; font-size: .58rem; }
  .hero-system-map { padding: 18px; border-radius: 20px; }
  .story-head { display: block; margin-bottom: 36px; }
  .story-head h2 { margin-top: 12px; }
  .story-head > p { margin-top: 18px; }
  .story-lead { text-align: left; }
  .problem-chain,
  .challenge-grid,
  .principle-grid,
  .workflow-map,
  .status-columns,
  .lesson-grid { grid-template-columns: 1fr; }
  .problem-step { min-height: 112px; }
  .problem-step:not(:last-child)::after { content: "↓"; right: auto; left: 24px; top: auto; bottom: -16px; }
  .workflow-step:not(:nth-child(3n))::after { display: none; }
  .workflow-step:not(:last-child)::after { content: "↓"; display: block; right: 20px; top: auto; bottom: -10px; }
  .evolution-timeline { grid-template-columns: 1fr; gap: 0; padding: 0 0 0 18px; }
  .evolution-step { min-height: 88px; padding: 0 0 26px 24px; border-top: 0; border-left: 1px solid rgba(18,21,19,.28); }
  .evolution-step::before { top: 0; left: -5px; }
  .evolution-step strong { max-width: none; margin-top: 5px; }
  .direction-grid,
  .architecture-map { grid-template-columns: 1fr; }
  .architecture-node:not(:last-child)::after { content: "↕"; display: block; right: auto; bottom: -15px; }
  .status-column { min-height: 0; }
  .orion-closing { padding: 90px 0; }
  .continue-section { padding: 78px 0; }
  .continue-card { min-height: 190px; }
}

@media (prefers-reduced-motion: reduce) {
  .lab-card { transition: none; }
  .system-node { animation: none; }
}