:root {
  --black: #050505;
  --surface: #101217;
  --surface-soft: #171a21;
  --ink: #f3f5f9;
  --muted: #9298a4;
  --line: rgba(235, 241, 255, 0.18);
  --blue: #76a8ff;
  --blue-strong: #3b7eff;
  --radius-lg: 2rem;
  --radius-pill: 999px;
  --content: min(100% - 3rem, 1360px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--black); }
body { margin: 0; color: var(--ink); background: var(--black); font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 16px; line-height: 1.5; }
a { color: inherit; text-decoration: none; }
button, select { font: inherit; }
button, a, select { -webkit-tap-highlight-color: transparent; }

.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 9; padding: .65rem 1rem; background: var(--ink); color: var(--black); border-radius: .5rem; transition: top .2s; }
.skip-link:focus { top: 1rem; }
.section-shell { width: var(--content); margin: 0 auto; }
.site-header { width: var(--content); height: 6.75rem; margin: 0 auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 2rem; position: relative; z-index: 2; }
.wordmark { font-size: 1.5rem; font-weight: 650; letter-spacing: -.05em; width: fit-content; }
.site-nav { display: flex; gap: 2.5rem; color: #b4b9c3; }
.site-nav a, .text-link { transition: color .2s ease; }
.site-nav a:hover, .text-link:hover { color: var(--ink); }
.header-cta { justify-self: end; border: 1px solid var(--line); border-radius: var(--radius-pill); padding: .65rem 1.2rem; font-size: .92rem; transition: border-color .2s, background .2s; }
.header-cta:hover { border-color: var(--blue); background: rgba(116, 166, 255, .1); }

.hero { min-height: calc(100svh - 6.75rem); position: relative; display: grid; grid-template-columns: 1.06fr .94fr; align-items: center; padding: 6.5rem 0 10rem; overflow: hidden; }
.hero-copy { position: relative; z-index: 1; }
.tag-row { display: flex; flex-wrap: wrap; gap: .7rem; margin-bottom: 4rem; }
.tag-row span { color: #aeb4c0; border: 1px solid var(--line); border-radius: var(--radius-pill); padding: .38rem .8rem; font-size: .82rem; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 8ch; margin-bottom: 2rem; font-size: clamp(4.5rem, 10vw, 10rem); font-weight: 620; letter-spacing: -.09em; line-height: .86; }
h1 span, .decision-copy h2 span { color: #69717e; }
.hero-description { max-width: 36rem; color: #aab0bb; font-size: clamp(1rem, 1.4vw, 1.24rem); }
.hero-actions { display: flex; align-items: center; gap: 2rem; margin-top: 3.5rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .7rem; cursor: pointer; border: 1px solid transparent; border-radius: var(--radius-pill); padding: 1rem 1.45rem; font-weight: 600; transition: transform .2s, background .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--blue-strong); box-shadow: 0 10px 30px rgba(45, 111, 255, .25); }
.button-primary:hover { background: #5993ff; }
.text-link { color: #b8bec9; padding-bottom: .25rem; border-bottom: 1px solid #5b6068; }
.hero-art { min-width: 0; height: min(48rem, 60vw); position: relative; display: grid; place-items: center; }
.hero-art img { width: min(100%, 42rem); mix-blend-mode: screen; filter: contrast(1.12) brightness(.92); position: relative; z-index: 1; animation: drift 8s ease-in-out infinite; }
.art-glow { width: 55%; aspect-ratio: 1; position: absolute; border-radius: 50%; background: rgba(72, 128, 255, .15); filter: blur(70px); }
.hero-index { position: absolute; bottom: 2.3rem; left: 0; width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.hero-index a { border-top: 1px solid var(--line); padding-top: .9rem; color: #e2e6ec; font-size: 1.35rem; letter-spacing: -.04em; display: flex; gap: 1.4rem; transition: border-color .2s, color .2s; }
.hero-index a:hover { border-color: var(--blue); color: var(--blue); }
.hero-index span { color: var(--muted); font-size: .9rem; padding-top: .2rem; }

.projects, .notes-section { padding: 10rem 0; }
.eyebrow { color: var(--blue); font-size: .77rem; font-weight: 650; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 1.4rem; }
h2 { font-size: clamp(3rem, 6vw, 6.7rem); line-height: .93; letter-spacing: -.08em; font-weight: 620; margin-bottom: 2rem; }
.section-intro { max-width: 45rem; color: #989faa; font-size: 1.1rem; }
.project-grid { margin-top: 4rem; display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 1.1rem; }
.project-card { min-height: 31rem; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 2rem; display: flex; flex-direction: column; position: relative; overflow: hidden; }
.project-card-blue { background: radial-gradient(circle at 72% 18%, rgba(75, 137, 255, .5), transparent 36%), #173168; }
.project-card-dark { background: linear-gradient(155deg, #20242e, #0e1015 65%); }
.project-card-outline { background: #0a0b0d; }
.project-number { color: rgba(255,255,255,.55); font-size: 1rem; }
.project-type { color: rgba(255,255,255,.7); font-size: .85rem; margin: auto 0 1rem; }
.project-card h3 { font-size: clamp(2rem, 3vw, 3.4rem); letter-spacing: -.065em; line-height: .95; margin-bottom: 1rem; }
.project-card > p:not(.project-type) { color: rgba(255,255,255,.75); max-width: 24rem; }
.project-card a { margin-top: auto; font-weight: 600; width: fit-content; border-bottom: 1px solid rgba(255,255,255,.45); padding-bottom: .3rem; }

.workflow-section { background: #f1f2f4; color: #0d0f14; padding: 9rem 0; }
.workflow-section .eyebrow { color: #285bc7; }
.split-heading { display: flex; justify-content: space-between; align-items: end; gap: 3rem; }
.split-heading h2 { max-width: 9ch; margin-bottom: 0; }
.split-heading p { max-width: 25rem; color: #555e6b; font-size: 1.1rem; margin-bottom: .3rem; }
.workflow-picker { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 4rem; }
.workflow-tab { color: #4f5866; background: transparent; border: 1px solid #c3c8d1; border-radius: var(--radius-pill); padding: .75rem 1rem; cursor: pointer; }
.workflow-tab.is-active, .workflow-tab:hover { color: #fff; background: #0d0f14; border-color: #0d0f14; }
.workflow-stage { margin-top: 1.2rem; padding: clamp(1.5rem, 4vw, 4rem); background: #fff; border-radius: var(--radius-lg); }
.workflow-stage-head { display: grid; grid-template-columns: .75fr 1.25fr 1fr; gap: 2rem; align-items: baseline; }
.stage-label { color: #4f72bf; font-size: .85rem; font-weight: 600; }
.workflow-stage h3 { font-size: clamp(1.8rem, 3vw, 3.35rem); line-height: .98; letter-spacing: -.06em; margin: 0; }
.workflow-stage-head p { color: #626a77; }
.workflow-steps { list-style: none; padding: 0; margin: 4rem 0 2rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.workflow-steps li { border-top: 1px solid #cbd0d7; padding-top: 1rem; display: grid; gap: .5rem; }
.workflow-steps span { color: #6b7584; font-size: .8rem; }
.workflow-steps strong { font-size: 1.15rem; }
.workflow-steps small { color: #6a7280; font-size: .94rem; }
.copy-prompt { cursor: pointer; border: 1px solid #aeb7c4; border-radius: var(--radius-pill); background: #fff; padding: .75rem 1rem; color: #1a2330; font-weight: 600; }
.copy-prompt:hover { background: #eef3ff; border-color: #6f9cff; }
.copy-status { min-height: 1.2em; color: #4967a8; margin: .8rem 0 0; font-size: .9rem; }

.decision-section { padding: 10rem 0; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 10vw, 12rem); }
.decision-copy h2 { font-size: clamp(3rem, 5.2vw, 6.1rem); }
.decision-copy p { max-width: 30rem; color: #9da3ae; font-size: 1.1rem; }
.decision-tool { border-top: 1px solid var(--line); padding-top: 1.25rem; display: grid; gap: 1.4rem; align-content: start; }
.decision-tool label { display: grid; gap: .7rem; color: #c2c7cf; font-size: .92rem; }
.decision-tool select { color: var(--ink); border: 1px solid var(--line); border-radius: .9rem; background: var(--surface); padding: 1rem; }
.decision-tool .button { margin-top: .5rem; justify-self: start; }
.recommendation { display: grid; gap: .5rem; padding: 1.5rem; background: var(--surface-soft); border-radius: 1.25rem; margin-top: 1rem; }
.recommendation-kicker { color: var(--blue); font-size: .8rem; font-weight: 650; }
.recommendation strong { font-size: 1.5rem; letter-spacing: -.04em; }
.recommendation p, .privacy-note { color: var(--muted); margin: 0; }
.privacy-note { font-size: .82rem; }

.notes-section { border-top: 1px solid var(--line); }
.note-list { border-top: 1px solid var(--line); }
.note-list a { display: grid; grid-template-columns: 4rem minmax(11rem, .85fr) 1.8fr auto; align-items: center; gap: 1rem; min-height: 7rem; border-bottom: 1px solid var(--line); transition: color .2s, padding .2s; }
.note-list a:hover { color: var(--blue); padding-left: .6rem; }
.note-list span, .note-list small { color: var(--muted); }
.note-list strong { font-size: 1.25rem; letter-spacing: -.035em; }
.note-list b { font-size: 1.5rem; font-weight: 400; }
.site-footer { border-top: 1px solid var(--line); padding: 2rem 0 3rem; display: flex; justify-content: space-between; color: var(--muted); font-size: .9rem; }
.site-footer p { margin: 0; }
.site-footer a:hover { color: var(--ink); }

:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; }
@keyframes drift { 0%,100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-14px) rotate(2deg); } }
@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; height: 5.5rem; } .site-nav { display: none; }
  .hero { grid-template-columns: 1fr; padding: 4rem 0 12rem; } .hero-art { position: absolute; opacity: .5; width: 70%; right: -12%; top: 12%; pointer-events: none; }
  .hero-index { gap: 1.2rem; } .project-grid { grid-template-columns: 1fr; } .project-card { min-height: 21rem; }
  .split-heading, .decision-section { display: grid; grid-template-columns: 1fr; gap: 2rem; } .workflow-stage-head { grid-template-columns: 1fr; gap: 1rem; }
}
@media (max-width: 600px) {
  :root { --content: min(100% - 2rem, 1360px); } .header-cta { padding: .55rem .85rem; font-size: .82rem; }
  .hero { min-height: 43rem; padding-top: 4rem; } .tag-row { margin-bottom: 2.5rem; } .tag-row span { font-size: .73rem; }
  h1 { font-size: clamp(3.8rem, 19vw, 5.7rem); } .hero-description { max-width: 23rem; } .hero-actions { align-items: flex-start; flex-direction: column; gap: 1.2rem; margin-top: 2.2rem; }
  .hero-art { right: -25%; width: 88%; top: 16%; } .hero-index { grid-template-columns: 1fr; gap: .8rem; bottom: 1.4rem; } .hero-index a { font-size: 1.05rem; }
  .projects, .notes-section, .decision-section { padding: 6.5rem 0; } .workflow-section { padding: 6.5rem 0; }
  .workflow-steps { grid-template-columns: 1fr; gap: 1.2rem; margin-top: 2.5rem; } .note-list a { grid-template-columns: 2rem 1fr auto; gap: .7rem; padding: 1.15rem 0; min-height: 0; } .note-list small { grid-column: 2 / 4; } .note-list strong { font-size: 1.05rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }

/* Version two: calmer type, contained visual assets, persistent navigation and page-level journeys. */
body.page { min-height: 100svh; overflow-x: clip; }
body.home-page { background: radial-gradient(circle at 78% 28%, #172b50 0%, rgba(23,43,80,.55) 15%, transparent 36%), radial-gradient(circle at 20% 8%, #171d30 0%, transparent 31%), #090d14; }
body.page-light { --black: #f1f2f4; --ink: #10131a; --muted: #667080; --line: rgba(18, 24, 34, .18); --surface: #e4e6e9; --surface-soft: #e1e3e6; color: #10131a; background: #f1f2f4; }
.site-header { position: sticky; top: .8rem; height: 4.55rem; margin: .8rem auto 0; padding: 0 1.45rem; border: 1px solid transparent; border-radius: 1.5rem; transition: background .35s ease, color .35s ease, border-color .35s ease, box-shadow .35s ease; }
.site-header .site-nav, .site-header .header-cta { color: inherit; }
body.is-scrolled .site-header, body.page-light .site-header { color: #10131a; background: rgba(242, 243, 245, .82); border-color: rgba(16, 19, 26, .12); box-shadow: 0 .9rem 2.5rem rgba(0,0,0,.15); backdrop-filter: blur(20px); }
body.is-scrolled .site-header .site-nav, body.page-light .site-header .site-nav { color: #343a45; }
body.is-scrolled .site-header .header-cta, body.page-light .site-header .header-cta { border-color: rgba(16,19,26,.22); }
.site-nav a[aria-current="page"] { color: var(--blue); }
.hero { min-height: calc(100svh - 9rem); padding: clamp(2.25rem, 4vw, 3.75rem) 0 2.5rem; overflow: visible; }
.hero h1, .page-intro h1, .decision-copy h1 { max-width: 9ch; margin-bottom: 1.7rem; font-size: clamp(3.8rem, 7vw, 7.75rem); font-weight: 600; letter-spacing: -.075em; line-height: .94; }
.hero-description { max-width: 31rem; line-height: 1.72; }
.tag-row { margin-bottom: 2rem; }
.hero-actions { margin-top: 2rem; }
.hero-art { height: clamp(15rem, 24vw, 23rem); max-height: calc(100svh - 16rem); overflow: visible; }
.hero-art img { display: block; width: min(62%, 22rem); height: 74%; max-width: 22rem; max-height: 100%; object-fit: contain; mix-blend-mode: screen; }
.art-glow { width: 46%; filter: blur(58px); }
.home-launcher { padding: 7.5rem 0 8rem; border-top: 1px solid var(--line); }
.home-launcher h2 { max-width: none; margin-bottom: 3rem; font-size: clamp(2.7rem, 5vw, 5.2rem); line-height: 1; letter-spacing: -.065em; }
.launcher-list { border-top: 1px solid var(--line); }
.launcher-list a { display: grid; grid-template-columns: 4rem minmax(12rem, .9fr) 1.8fr auto; align-items: center; gap: 1rem; min-height: 8rem; border-bottom: 1px solid var(--line); transition: color .2s, padding .2s; }
.launcher-list a:hover { color: var(--blue); padding-left: .6rem; }
.launcher-list span, .launcher-list small { color: var(--muted); }
.launcher-list strong { font-size: clamp(1.2rem, 2vw, 1.65rem); font-weight: 580; letter-spacing: -.035em; }
.launcher-list b { font-size: 1.4rem; font-weight: 400; }
.page-main { min-height: calc(100svh - 14rem); }
.page-intro { padding: clamp(2.5rem, 5vw, 4.5rem) 0 3rem; }
.page-intro > p:last-child { max-width: 35rem; color: var(--muted); font-size: 1.12rem; line-height: 1.75; }
.compact-intro { max-width: 55rem; }
.workflow-page { padding-bottom: 8rem; }
.workflow-page .page-intro { max-width: 69rem; }
.workflow-page .page-intro > p:last-child { max-width: 31rem; }
.workflow-panel { padding-top: 1rem; }
.workflow-stage h2 { margin: 0; font-size: clamp(1.8rem, 3vw, 3rem); line-height: 1.12; letter-spacing: -.055em; }
.decision-page { background: radial-gradient(circle at 82% 28%, #182d54 0%, rgba(24,45,84,.52) 14%, transparent 38%), #090d14; }
.decision-page-main { min-height: calc(100svh - 12rem); padding: clamp(2.75rem, 5.5vw, 5rem) 0 4rem; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 10vw, 12rem); }
.decision-copy h1 { font-size: clamp(3.35rem, 5.7vw, 6.3rem); }
.decision-copy > p:last-child { max-width: 30rem; color: #a5adba; line-height: 1.75; }
.decision-page .decision-tool { align-self: center; }
.project-grid-page { grid-template-columns: repeat(3, 1fr); padding-bottom: 8rem; }
.project-grid-page .project-card h2 { margin-bottom: 1rem; font-size: clamp(1.9rem, 2.7vw, 3.1rem); line-height: .96; letter-spacing: -.06em; }
.note-list-page { margin-bottom: 8rem; }
.page-light .site-footer { color: #667080; }
.page-light .header-cta:hover { background: rgba(16,19,26,.07); border-color: #10131a; }
.page-light .site-nav a:hover, .page-light .text-link:hover { color: #10131a; }
.page-wipe { --transition-color: #090d14; position: fixed; inset: 0; z-index: 99; display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(3, 1fr); pointer-events: none; }
.page-wipe span { background: var(--transition-color); transform: scaleY(1.01); transform-origin: top; transition: transform .58s cubic-bezier(.76,0,.24,1); transition-delay: var(--reveal-delay); }
body.is-loaded .page-wipe span { transform: scaleY(0); }
body.is-leaving .page-wipe span { transform: scaleY(1.01); transform-origin: bottom; transition-delay: var(--cover-delay); }
.cursor-ring, .cursor-dot { display: none; }
@media (hover: hover) and (pointer: fine) {
  body.has-custom-cursor, body.has-custom-cursor a, body.has-custom-cursor button, body.has-custom-cursor select { cursor: none; }
  .cursor-ring, .cursor-dot { display: block; position: fixed; top: 0; left: 0; z-index: 120; pointer-events: none; mix-blend-mode: difference; will-change: transform; }
  .cursor-ring { width: 40px; height: 40px; border: 1px solid #fff; border-radius: 50%; transition: width .18s ease, height .18s ease, margin .18s ease, background .18s ease; }
  .cursor-dot { width: 8px; height: 8px; background: #fff; border-radius: 50%; }
  .cursor-ring.is-hover { width: 56px; height: 56px; margin: -8px; background: rgba(255,255,255,.12); }
}
@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; height: auto; min-height: 4.25rem; gap: .75rem; padding: .8rem 1rem; }
  .site-nav { display: flex; grid-column: 1 / -1; grid-row: 2; justify-content: space-between; gap: 1rem; overflow-x: auto; padding-bottom: .15rem; font-size: .87rem; }
  .hero { grid-template-columns: 1fr; min-height: 48rem; padding-bottom: 9rem; }
  .hero-art { position: absolute; right: 0; top: 6%; width: min(56vw, 31rem); opacity: .58; }
  .hero-copy { max-width: 37rem; }
  .decision-page-main { grid-template-columns: 1fr; gap: 3rem; }
  .decision-page .decision-tool { max-width: 42rem; }
  .project-grid-page { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .site-header { top: .45rem; margin-top: .45rem; border-radius: 1.1rem; }
  .wordmark { font-size: 1.25rem; } .header-cta { padding: .52rem .75rem; font-size: .77rem; }
  .hero { min-height: 38rem; padding: 2.75rem 0 4.5rem; } .hero-art { width: 58vw; top: 16%; right: 0; opacity: .3; }
  .hero h1, .page-intro h1, .decision-copy h1 { font-size: clamp(3.2rem, 15vw, 4.8rem); line-height: .98; }
  .hero-description { max-width: 22rem; } .hero-actions { align-items: flex-start; flex-direction: column; gap: 1.15rem; }
  .home-launcher { padding: 5.5rem 0; } .launcher-list a { grid-template-columns: 2rem 1fr auto; min-height: 0; padding: 1.3rem 0; } .launcher-list small { grid-column: 2 / 4; }
  .page-intro { padding: 2.5rem 0 2.5rem; } .decision-page-main { min-height: auto; padding: 2.75rem 0 4rem; } .workflow-page { padding-bottom: 5rem; }
  .workflow-stage { padding: 1.35rem; } .workflow-steps { margin-top: 2.5rem; } .site-footer { padding: 1.6rem 0 2.4rem; }
}

/* Chinese display type needs more breathing room than condensed Latin display type. */
.hero h1, .page-intro h1, .decision-copy h1 { letter-spacing: -.035em; line-height: 1.1; }
.home-launcher h2, .workflow-stage h2, .project-grid-page .project-card h2 { letter-spacing: -.04em; line-height: 1.12; }
.hero-description, .page-intro > p:last-child, .decision-copy > p:last-child { letter-spacing: .01em; line-height: 1.86; }
@media (max-width: 600px) {
  .page-wipe { grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(4, 1fr); }
  .hero h1, .page-intro h1, .decision-copy h1 { letter-spacing: -.025em; line-height: 1.14; }
}

/* A restrained, code-drawn studio motif replaces the hero bitmap. */
.hero-visual { position: relative; min-width: 0; width: min(100%, 29rem); aspect-ratio: 1; justify-self: center; display: grid; place-items: center; isolation: isolate; }
.visual-halo { position: absolute; inset: 12%; border-radius: 50%; background: radial-gradient(circle, rgba(61,118,232,.26), transparent 67%); filter: blur(15px); }
.visual-grid { position: absolute; inset: 8%; display: grid; grid-template-columns: repeat(3, 1fr); grid-template-rows: repeat(3, 1fr); transform: rotate(-13deg); }
.visual-grid span { border: 1px solid rgba(181,203,255,.12); background: linear-gradient(145deg, rgba(173,199,255,.055), transparent 65%); }
.visual-grid span:nth-child(2), .visual-grid span:nth-child(6), .visual-grid span:nth-child(8) { background: rgba(73,122,221,.1); }
.visual-core { position: relative; width: 52%; aspect-ratio: 1; border: 1px solid rgba(197,216,255,.36); border-radius: 2rem; display: grid; place-items: center; transform: rotate(-13deg); background: linear-gradient(145deg, rgba(42,71,128,.5), rgba(7,14,26,.9)); box-shadow: 0 2rem 7rem rgba(0,0,0,.3), inset 0 1px rgba(255,255,255,.24); }
.visual-core::before, .visual-core::after { content: ""; position: absolute; inset: 13%; border: 1px solid rgba(194,218,255,.28); border-radius: 50%; }
.visual-core::after { inset: 26%; border-color: rgba(147,183,255,.45); }
.visual-core i { position: absolute; display: block; width: .65rem; height: .65rem; border-radius: 50%; background: #a9caff; box-shadow: 0 0 1.2rem #579aff; }
.visual-core i:nth-child(1) { transform: translate(-4.7rem, -2.8rem); }
.visual-core i:nth-child(2) { transform: translate(4.3rem, -3rem); }
.visual-core i:nth-child(3) { transform: translate(1.1rem, 4.8rem); }
.visual-caption { position: absolute; bottom: 4%; font-size: .68rem; font-weight: 650; letter-spacing: .3em; color: #8ca1cb; }
.visual-caption b { color: #bfd4ff; margin: 0 1rem; }

.decision-lab { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: clamp(3rem, 8vw, 8rem); align-items: start; padding: clamp(2.5rem, 5vw, 4.5rem) 0 7rem; min-height: calc(100svh - 10rem); }
.decision-lab-intro h1 { font-size: clamp(3.3rem, 5.7vw, 6.2rem); letter-spacing: -.035em; line-height: 1.1; margin-bottom: 2rem; }
.decision-lab-intro h1 span { color: #69717e; }
.decision-lab-intro > p:last-child { max-width: 27rem; color: #a5adba; line-height: 1.85; }
.decision-workspace { min-width: 0; border-top: 1px solid var(--line); padding-top: 1.5rem; }
.decision-step[hidden] { display: none; }
.decision-step { display: grid; gap: 1.25rem; align-content: start; }
.step-number { color: var(--blue); font-size: .8rem; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; }
.decision-step h2 { font-size: clamp(1.7rem, 2.7vw, 2.7rem); letter-spacing: -.04em; line-height: 1.2; margin: 0; }
.decision-step p { color: #a5adba; line-height: 1.8; margin: 0; }
.decision-step label { display: grid; gap: .8rem; color: #e3e8f1; font-weight: 550; line-height: 1.6; }
.decision-step textarea { width: 100%; resize: vertical; min-height: 7rem; padding: 1rem 1.1rem; border: 1px solid rgba(202,219,255,.23); border-radius: 1rem; background: rgba(255,255,255,.055); color: #f4f6fb; font: inherit; line-height: 1.6; }
.decision-step textarea::placeholder { color: #838da0; }
.decision-step .button { justify-self: start; }
.decision-step .button:disabled { opacity: .5; cursor: wait; }
.button-secondary { color: #e9eef8; border-color: rgba(202,219,255,.25); background: rgba(255,255,255,.04); }
.decision-actions { display: flex; gap: .75rem; flex-wrap: wrap; }
.decision-actions .button { padding: .8rem 1.15rem; }
.decision-feedback { min-height: 1.5em; margin-top: 1.25rem; color: #a8c8ff; }
.question-field { padding: 1.5rem 0; border-top: 1px solid var(--line); }
.question-field:first-child { border-top: 0; }
.round-summary { padding-bottom: .7rem; }
.report-preview { max-height: 35rem; overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere; padding: 1.4rem; border: 1px solid var(--line); border-radius: 1rem; background: rgba(255,255,255,.045); color: #dce4f1; font: .88rem/1.8 ui-monospace, SFMono-Regular, Consolas, monospace; }
@media (max-width: 900px) { .hero-visual { position: absolute; width: min(50vw, 23rem); right: 1rem; top: 15%; opacity: .55; pointer-events: none; } .decision-lab { grid-template-columns: 1fr; gap: 2.5rem; } }
@media (max-width: 600px) { .hero-visual { width: 47vw; top: 24%; right: 0; opacity: .3; } .visual-core { border-radius: 1.1rem; } .visual-core i { width: .35rem; height: .35rem; } .visual-core i:nth-child(1) { transform: translate(-2.2rem,-1.3rem); } .visual-core i:nth-child(2) { transform: translate(2rem,-1.3rem); } .visual-core i:nth-child(3) { transform: translate(.5rem,2.2rem); } .visual-caption { font-size: .45rem; } .decision-lab { padding-top: 2.75rem; } .decision-actions { flex-direction: column; align-items: stretch; } .decision-actions .button { justify-self: stretch; } }