@charset "UTF-8";

:root {
    --paper: #f5f3ee;
    --cloud: #fbfcf9;
    --ink: #18211c;
    --muted: #68716b;
    --forest: #10271f;
    --forest-2: #173a2d;
    --green: #19a968;
    --green-light: #a9e8c5;
    --warm: #e9c39a;
    --amber: #e9a35b;
    --line: rgba(24, 33, 28, .14);
    --page: min(92vw, 1440px);
    --radius-lg: 34px;
    --radius-md: 22px;
    --shadow: 0 30px 80px rgba(16, 39, 31, .12);
    --ease: cubic-bezier(.2, .74, .25, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
::selection { color: #fff; background: var(--green); }
:focus-visible { outline: 3px solid rgba(25, 169, 104, .55); outline-offset: 4px; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 1000; top: 12px; left: 12px; transform: translateY(-160%); padding: 12px 18px; border-radius: 999px; background: var(--forest); color: #fff; transition: transform .2s; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: fixed; z-index: 100; top: 18px; left: 50%; width: min(94vw, 1440px); height: 66px; transform: translateX(-50%); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 14px 0 22px; border: 1px solid rgba(255,255,255,.34); border-radius: 18px; color: #fff; background: rgba(16, 25, 21, .12); box-shadow: 0 18px 60px rgba(7, 24, 17, .08); backdrop-filter: blur(20px) saturate(125%); -webkit-backdrop-filter: blur(20px) saturate(125%); transition: top .35s var(--ease), color .35s, background .35s, border-color .35s; }
.site-header.is-scrolled, .site-header-solid { color: var(--ink); background: rgba(251,252,249,.88); border-color: rgba(24,33,28,.1); }
.site-header-solid { position: sticky; top: 14px; }
.brand { display: inline-flex; align-items: center; gap: 11px; width: max-content; font-size: 18px; font-weight: 720; letter-spacing: .04em; }
.brand-dot { position: relative; width: 20px; height: 20px; border: 1px solid currentColor; border-radius: 50%; }
.brand-dot::after { content: ""; position: absolute; right: -3px; bottom: 1px; width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgba(25,169,104,.18); }
.site-nav { display: flex; align-items: center; gap: clamp(20px, 2vw, 38px); font-size: 13px; }
.site-nav a { position: relative; opacity: .82; }
.site-nav a::after { content: ""; position: absolute; right: 0; bottom: -7px; left: 0; height: 1px; transform: scaleX(0); transform-origin: right; background: currentColor; transition: transform .35s var(--ease); }
.site-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.header-cta { justify-self: end; display: inline-flex; align-items: center; gap: 14px; height: 40px; padding: 0 18px; border-radius: 11px; color: #fff; background: var(--green); font-size: 13px; font-weight: 650; }
.header-cta span { font-size: 16px; transition: transform .25s; }
.header-cta:hover span { transform: translate(2px,-2px); }
.nav-toggle { display: none; border: 0; background: transparent; }

.hero { position: relative; height: 320vh; min-height: 1900px; background: #d8cfbf; }
.hero-sticky { position: sticky; top: 0; height: 100vh; min-height: 640px; overflow: hidden; color: #fff; isolation: isolate; }
.hero-picture { position: absolute; z-index: -4; inset: 0; transform: scale(calc(1.04 + var(--hero-progress, 0) * .05)); transform-origin: 72% 50%; will-change: transform; }
.hero-picture img { width: 100%; height: 100%; object-fit: cover; object-position: center; filter: saturate(.91) contrast(1.02); }
.hero-canvas { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; opacity: .82; mix-blend-mode: screen; pointer-events: none; }
.hero-vignette { position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, rgba(7,18,13,.65) 0%, rgba(10,19,15,.28) 39%, transparent 66%), linear-gradient(0deg, rgba(8,20,14,.34) 0%, transparent 38%, rgba(7,15,11,.12) 100%); }
.hero-copy { position: absolute; top: 50%; left: max(5vw, calc((100vw - 1440px)/2)); width: min(660px, 47vw); transform: translateY(calc(-43% - var(--hero-progress, 0) * 18px)); opacity: calc(1 - max(0, (var(--hero-progress, 0) - .58) * 2.2)); will-change: transform, opacity; }
.eyebrow, .section-kicker { margin: 0 0 22px; font-size: 11px; font-weight: 720; letter-spacing: .21em; text-transform: uppercase; }
.hero .eyebrow { display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.72); }
.hero .eyebrow::before { content: ""; width: 38px; height: 1px; background: var(--green-light); }
.hero h1 { max-width: 650px; margin: 0; font-size: clamp(58px, 6.5vw, 112px); font-weight: 520; letter-spacing: -.065em; line-height: .98; text-wrap: balance; }
.hero-lead { max-width: 560px; margin: 28px 0 0; color: rgba(255,255,255,.83); font-size: clamp(16px, 1.25vw, 21px); line-height: 1.85; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 38px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 52px; padding: 0 24px; border: 1px solid transparent; border-radius: 14px; font-size: 14px; font-weight: 690; transition: transform .3s var(--ease), box-shadow .3s, background .3s, color .3s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--green); box-shadow: 0 15px 35px rgba(9,125,72,.25); }
.button-outline { border-color: var(--ink); }
.button-light { color: var(--forest); background: #fff; }
.text-link { font-size: 14px; border-bottom: 1px solid rgba(255,255,255,.4); padding-bottom: 6px; }
.text-link span { display: inline-block; margin-left: 10px; transition: transform .25s; }
.text-link:hover span { transform: translateY(3px); }
.hero-signals { position: absolute; right: max(5vw, calc((100vw - 1440px)/2)); bottom: 11vh; display: grid; width: min(350px, 29vw); gap: 8px; }
.hero-signals span { justify-self: end; display: block; padding: 9px 14px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; background: rgba(13,39,28,.15); backdrop-filter: blur(10px); font-size: 12px; letter-spacing: .12em; opacity: 0; transform: translateX(25px); transition: opacity .5s, transform .6s var(--ease); }
.hero-signals span.is-active { opacity: 1; transform: translateX(0); }
.hero-progress { position: absolute; right: 28px; top: 25vh; width: 2px; height: 50vh; background: rgba(255,255,255,.22); }
.hero-progress i { position: absolute; inset: 0; transform: scaleY(var(--hero-progress, 0)); transform-origin: top; background: var(--green-light); }
.hero-index { position: absolute; right: 18px; top: calc(25vh - 38px); display: flex; align-items: baseline; gap: 3px; font-variant-numeric: tabular-nums; }
.hero-index span { font-size: 14px; }.hero-index small { font-size: 9px; opacity: .6; }
.scroll-cue { position: absolute; left: max(5vw, calc((100vw - 1440px)/2)); bottom: 28px; display: flex; align-items: center; gap: 10px; font-size: 10px; letter-spacing: .15em; color: rgba(255,255,255,.67); opacity: calc(1 - var(--hero-progress, 0) * 5); }
.scroll-cue i { position: relative; width: 1px; height: 30px; overflow: hidden; background: rgba(255,255,255,.24); }
.scroll-cue i::after { content: ""; position: absolute; inset: 0; transform: translateY(-100%); background: #fff; animation: scroll-line 1.8s infinite var(--ease); }
@keyframes scroll-line { 50%,100% { transform: translateY(100%); } }

.section-pad { padding: clamp(105px, 11vw, 190px) max(4vw, calc((100vw - 1440px)/2)); }
.section-kicker { color: var(--green); }
.display-title { margin: 0; font-size: clamp(50px, 6vw, 96px); font-weight: 520; letter-spacing: -.06em; line-height: 1.08; }
.manifesto { background: var(--paper); }
.manifesto-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(320px, .6fr); align-items: end; gap: 8vw; }
.manifesto-copy { padding-bottom: 10px; color: var(--muted); font-size: clamp(16px, 1.35vw, 21px); line-height: 1.9; }
.manifesto-copy p { margin: 0 0 22px; }

.method { background: var(--cloud); }
.section-head { display: grid; grid-template-columns: 1fr minmax(300px, 430px); align-items: end; gap: 8vw; margin-bottom: clamp(55px, 7vw, 105px); }
.section-head h2 { margin: 0; font-size: clamp(52px, 6vw, 94px); font-weight: 520; letter-spacing: -.06em; line-height: 1; }
.section-head > p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.method-stage { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr); gap: clamp(45px, 6vw, 96px); align-items: start; }
.method-visual { position: sticky; top: 110px; overflow: hidden; min-height: 620px; border-radius: var(--radius-lg); background: var(--forest); box-shadow: var(--shadow); }
.method-visual img { width: 100%; height: 100%; min-height: 620px; object-fit: cover; transform: scale(1.015); transition: transform 1.2s var(--ease); }
.method-visual:hover img { transform: scale(1.045); }
.method-visual::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, rgba(7,22,15,.72)); }
.material-orbit { position: absolute; top: 8%; right: -10%; width: 38%; aspect-ratio: 1; border: 1px solid rgba(190,255,220,.44); border-radius: 50%; box-shadow: 0 0 0 22px rgba(169,232,197,.07), 0 0 0 65px rgba(169,232,197,.035); animation: orbit-breathe 5s ease-in-out infinite alternate; }
@keyframes orbit-breathe { to { transform: scale(1.07) translate(-5px,7px); opacity: .7; } }
.visual-caption { position: absolute; z-index: 2; right: 34px; bottom: 32px; left: 34px; display: flex; justify-content: space-between; align-items: end; color: #fff; }
.visual-caption span { font-size: 10px; letter-spacing: .2em; opacity: .7; }.visual-caption strong { max-width: 220px; font-size: 19px; font-weight: 530; text-align: right; }
.method-list { list-style: none; margin: 0; padding: 0; }
.method-item { display: grid; grid-template-columns: 42px 1fr auto; gap: 20px; padding: 36px 0; border-top: 1px solid var(--line); transition: padding .4s var(--ease), color .3s; }
.method-item:last-child { border-bottom: 1px solid var(--line); }
.method-item:hover { padding-left: 14px; color: var(--green); }
.method-number { padding-top: 7px; color: var(--green); font-size: 11px; letter-spacing: .16em; }
.method-item h3 { margin: 0; font-size: clamp(24px, 2.1vw, 34px); font-weight: 560; letter-spacing: -.04em; }
.method-item p { max-width: 470px; margin: 14px 0 0; color: var(--muted); font-size: 15px; line-height: 1.8; }
.method-arrow { align-self: start; font-size: 22px; opacity: .25; }

.scenarios { padding-top: 0; background: var(--cloud); }
.scene-shell { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(440px, .88fr); min-height: 1500px; gap: clamp(50px, 7vw, 120px); }
.scene-media { position: sticky; top: 0; height: 100vh; min-height: 640px; overflow: hidden; border-radius: 0 0 var(--radius-lg) var(--radius-lg); }
.scene-media img { width: 100%; height: 100%; object-fit: cover; object-position: 52% center; transform: scale(calc(1.02 + var(--scene-active, 0) * .018)); transition: filter .8s, transform 1s var(--ease); }
.scene-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(9,29,20,.48), transparent 48%); }
.scene-lens { position: absolute; z-index: 2; top: 14%; right: -14%; width: 40%; height: 70%; transform: translateY(calc(var(--scene-active, 0) * 5%)); border-radius: 48% 0 0 48%; background: linear-gradient(135deg, rgba(49,177,111,.18), rgba(185,240,208,.06)); border: 1px solid rgba(255,255,255,.27); backdrop-filter: blur(3px) saturate(130%); transition: transform .8s var(--ease); }
.scene-counter { position: absolute; z-index: 3; right: 30px; bottom: 28px; display: flex; align-items: baseline; gap: 4px; color: #fff; }
.scene-counter b { font-size: 26px; font-weight: 520; }.scene-counter span { font-size: 11px; opacity: .6; }
.scene-content { padding-top: 20vh; }
.scene-content > h2 { margin: 0 0 80px; font-size: clamp(48px, 5vw, 80px); font-weight: 520; letter-spacing: -.055em; line-height: 1.06; }
.scene-list { display: grid; gap: 110px; }
.scene-item { min-height: 250px; padding: 12px 0 70px; border-top: 1px solid var(--line); opacity: .45; transition: opacity .6s, transform .7s var(--ease); }
.scene-item.is-active { opacity: 1; transform: translateX(10px); }
.scene-item > span { color: var(--green); font-size: 11px; letter-spacing: .16em; }
.scene-item h3 { max-width: 500px; margin: 22px 0 18px; font-size: clamp(28px, 2.7vw, 43px); font-weight: 560; letter-spacing: -.04em; line-height: 1.18; }
.scene-item p { max-width: 500px; margin: 0; color: var(--muted); line-height: 1.85; }

.projects { color: #fff; background: var(--forest); }
.section-head-light .section-kicker { color: var(--green-light); }
.section-head-light > p { color: rgba(255,255,255,.6); }
.project-grid { display: grid; grid-template-columns: 1.2fr .8fr; grid-template-rows: 390px 390px; gap: 18px; }
.project-card { position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: space-between; padding: clamp(28px, 3vw, 48px); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius-md); background: #193b2f; transition: transform .45s var(--ease), border-color .3s; }
.project-card:hover { transform: translateY(-5px); border-color: rgba(169,232,197,.4); }
.project-card-featured { grid-row: 1 / 3; background: radial-gradient(circle at 65% 37%, rgba(35,191,115,.27), transparent 28%), linear-gradient(145deg, #173d2e, #0c2118); }
.project-card-warm { color: var(--ink); border-color: rgba(255,255,255,.3); background: var(--warm); }
.project-meta { display: flex; justify-content: space-between; font-size: 10px; letter-spacing: .16em; opacity: .68; }
.project-copy { position: relative; z-index: 2; max-width: 560px; }
.project-copy h3 { margin: 0; font-size: clamp(36px, 4vw, 68px); font-weight: 530; letter-spacing: -.055em; }
.project-copy p { max-width: 490px; margin: 18px 0 28px; color: rgba(255,255,255,.68); line-height: 1.8; }
.project-card-warm .project-copy p { color: rgba(24,33,28,.66); }
.project-copy a { display: inline-flex; gap: 12px; align-items: center; padding-bottom: 5px; border-bottom: 1px solid currentColor; font-size: 13px; }
.project-signal { position: absolute; top: 18%; right: 8%; width: 52%; aspect-ratio: 1; }
.project-signal i { position: absolute; inset: calc(var(--i, 0) * 10%); border: 1px solid rgba(169,232,197,.18); border-radius: 50%; animation: project-pulse 4s infinite ease-out; }
.project-signal i:nth-child(2) { --i: 1; animation-delay: -1.2s; }.project-signal i:nth-child(3) { --i: 2; animation-delay: -2.4s; }
.project-signal b { position: absolute; top: 50%; left: 50%; width: 16px; height: 16px; transform: translate(-50%,-50%); border-radius: 50%; background: var(--green-light); box-shadow: 0 0 50px rgba(169,232,197,.7); }
@keyframes project-pulse { 50% { transform: scale(1.08); border-color: rgba(169,232,197,.42); } }
.project-grid.has-descriptions { grid-auto-flow: row; grid-auto-rows: 370px; }
.description-home-card { isolation: isolate; min-height: 370px; background: #173a2d; }
.description-home-card.project-card-featured { min-height: 758px; }
.description-home-image { position: absolute; z-index: -2; inset: 0; opacity: .34; }
.description-home-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5,21,13,.93) 0%, rgba(8,29,19,.38) 62%, rgba(5,18,12,.22) 100%); }
.description-home-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease), filter .5s; }
.description-home-card:hover .description-home-image img { transform: scale(1.035); filter: saturate(1.08); }
.description-home-card.project-card-warm { color: #fff; background: #173a2d; }
.description-home-card.project-card-warm .project-copy p { color: rgba(255,255,255,.68); }

.engine { position: relative; display: grid; grid-template-columns: 1.2fr .8fr; min-height: 900px; gap: clamp(55px, 8vw, 130px); align-items: center; background: var(--paper); }
.engine-image { position: relative; overflow: hidden; min-height: 650px; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.engine-image img { width: 100%; height: 650px; object-fit: cover; }
.engine-scan { position: absolute; inset: 0; background: linear-gradient(105deg, transparent 35%, rgba(183,255,215,.16) 49%, transparent 62%); transform: translateX(-100%); animation: engine-scan 6.5s infinite var(--ease); }
@keyframes engine-scan { 20%,100% { transform: translateX(110%); } }
.engine-label { display: inline-flex; padding: 8px 12px; border: 1px solid rgba(25,169,104,.3); border-radius: 999px; color: var(--green); font-size: 12px; }
.engine-copy h2 { margin: 25px 0; font-size: clamp(54px, 6vw, 96px); font-weight: 520; letter-spacing: -.06em; line-height: 1; }
.engine-copy > p:not(.section-kicker):not(.engine-label) { max-width: 530px; color: var(--muted); font-size: 17px; line-height: 1.9; }
.engine-capabilities { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 20px; margin: 40px 0 0; padding: 0; list-style: none; }
.engine-capabilities li { padding: 17px 0; border-top: 1px solid var(--line); font-size: 13px; }

.insights { background: var(--cloud); }
.insight-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.insight-card { min-height: 370px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .35s, transform .35s var(--ease); }
.insight-card:hover { z-index: 2; background: #fff; transform: translateY(-5px); box-shadow: 0 22px 55px rgba(16,39,31,.08); }
.insight-card > a { display: flex; flex-direction: column; height: 100%; min-height: inherit; padding: clamp(25px, 3vw, 42px); }
.insight-top { display: flex; justify-content: space-between; color: var(--muted); font-size: 10px; letter-spacing: .12em; }
.insight-card h3, .insight-card h2 { margin: 75px 0 18px; font-size: clamp(23px, 2vw, 32px); font-weight: 560; letter-spacing: -.035em; line-height: 1.35; }
.insight-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.insight-more { display: flex; justify-content: space-between; margin-top: auto; padding-top: 34px; color: var(--green); font-size: 10px; letter-spacing: .15em; }
.insight-more i { font-size: 18px; font-style: normal; }
.center-action { display: flex; justify-content: center; margin-top: 55px; }

.contact { position: relative; overflow: hidden; min-height: 780px; color: #fff; background: #0b2017; }
.contact::before { content: ""; position: absolute; top: -30%; right: -10%; width: 65vw; height: 65vw; border: 1px solid rgba(169,232,197,.13); border-radius: 50%; box-shadow: 0 0 0 9vw rgba(169,232,197,.025), 0 0 0 18vw rgba(169,232,197,.015); }
.contact-glow { position: absolute; right: 13%; bottom: 7%; width: 260px; height: 260px; border-radius: 46% 54% 58% 42%; background: radial-gradient(circle at 35% 30%, rgba(180,255,215,.85), rgba(25,169,104,.43) 29%, rgba(25,169,104,.02) 68%); filter: blur(4px); opacity: .65; animation: glow-float 7s ease-in-out infinite alternate; }
@keyframes glow-float { to { transform: translate(25px,-30px) rotate(8deg) scale(1.08); } }
.contact .section-kicker { position: relative; color: var(--green-light); }
.contact h2 { position: relative; max-width: 1100px; margin: 0; font-size: clamp(54px, 7vw, 112px); font-weight: 500; letter-spacing: -.065em; line-height: 1; }
.contact-lead { position: relative; max-width: 650px; margin: 38px 0 0; color: rgba(255,255,255,.66); font-size: 18px; line-height: 1.9; }
.contact-actions { position: relative; display: flex; align-items: end; gap: 32px; margin-top: 56px; }
.qr-placeholder { display: grid; grid-template-columns: 68px 1fr; grid-template-rows: auto auto; align-items: center; column-gap: 16px; min-width: 330px; padding: 14px; border: 1px solid rgba(255,255,255,.16); border-radius: 16px; background: rgba(255,255,255,.06); }
.qr-placeholder i { grid-row: 1/3; width: 68px; height: 68px; border-radius: 10px; background: repeating-conic-gradient(#fff 0 3%, transparent 0 7%) 50%/15px 15px; opacity: .18; }
.qr-placeholder b { align-self: end; font-size: 14px; }.qr-placeholder small { align-self: start; color: rgba(255,255,255,.52); }
.contact-actions > div p { margin: 11px 0 0; color: rgba(255,255,255,.48); font-size: 12px; }

.site-footer { padding: 70px max(4vw, calc((100vw - 1440px)/2)) 30px; color: rgba(255,255,255,.78); background: #07160f; }
.footer-main { display: grid; grid-template-columns: 1fr 1fr auto; align-items: start; gap: 40px; padding-bottom: 70px; }
.brand-footer { color: #fff; }.footer-main p { margin: 4px 0; font-size: 13px; }.footer-main nav { display: flex; gap: 25px; font-size: 12px; }
.footer-legal { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px 28px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.5); font-size: 12px; }
.footer-registry { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 24px; }
.filing-link { display: inline-flex; align-items: center; min-height: 24px; color: inherit; transition: color .2s ease; }
.filing-link:hover, .filing-link:focus-visible { color: rgba(255,255,255,.9); }
.police-filing { gap: 7px; }.police-filing img { display: block; width: 20px; height: 20px; object-fit: contain; }

.js .reveal { opacity: 0; transform: translateY(38px); transition: opacity .85s var(--ease), transform .95s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Content pages */
.inner-page { background: var(--cloud); }
.insight-index { min-height: 80vh; padding-top: 160px; }
.insight-index > h1 { margin: 0; font-size: clamp(68px, 9vw, 140px); font-weight: 500; letter-spacing: -.075em; }
.index-lead { max-width: 650px; margin: 25px 0 75px; color: var(--muted); font-size: 18px; line-height: 1.85; }
.empty-state { padding: 80px 0; border-top: 1px solid var(--line); }.empty-state h2 { font-size: 34px; }.empty-state p { color: var(--muted); }.empty-state a { display: inline-block; margin-top: 20px; color: var(--green); }
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 55px; }.pagination a { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 10px; }.pagination a[aria-current="page"] { color: #fff; background: var(--forest); }
.article-shell { width: min(92vw, 1120px); margin: 0 auto; padding: 140px 0 120px; }
.article-shell > article { width: min(100%, 820px); margin: 0 auto; }
.article-head { text-align: center; }.article-category { display: inline-flex; padding: 8px 13px; border: 1px solid rgba(25,169,104,.28); border-radius: 999px; color: var(--green); font-size: 12px; }.article-head h1 { margin: 30px auto 24px; font-size: clamp(44px, 6vw, 78px); font-weight: 530; letter-spacing: -.055em; line-height: 1.12; }.article-head > p { max-width: 700px; margin: 0 auto; color: var(--muted); font-size: 18px; line-height: 1.8; }.article-meta { display: flex; justify-content: center; gap: 22px; margin-top: 28px; color: var(--muted); font-size: 12px; }
.article-cover { overflow: hidden; margin: 60px -120px; border-radius: var(--radius-lg); }.article-cover img { width: 100%; max-height: 680px; object-fit: cover; }
.article-content { color: #27332c; font-family: "Songti SC", "Noto Serif CJK SC", serif; font-size: 18px; line-height: 2; }.article-content h2 { margin: 2.2em 0 .7em; color: var(--ink); font-family: inherit; font-size: 32px; line-height: 1.35; }.article-content h3 { margin-top: 1.8em; color: var(--ink); font-size: 24px; }.article-content p { margin: 1.25em 0; }.article-content blockquote { margin: 2em 0; padding: 20px 25px; border-left: 3px solid var(--green); color: var(--forest); background: rgba(25,169,104,.07); }.article-content img { width: 100%; height: auto; margin: 35px 0; border-radius: 18px; }.article-content a { color: var(--green); text-decoration: underline; text-underline-offset: 4px; }
.wechat-source { margin-top: 70px; padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }.wechat-source p { margin: 0 0 16px; color: var(--muted); }.wechat-source a { color: var(--green); font-weight: 650; }
.related { margin-top: 120px; padding-top: 60px; border-top: 1px solid var(--line); }.related h2 { font-size: 42px; }.related > div { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }.related a { display: grid; min-height: 220px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }.related a span { color: var(--green); font-size: 10px; }.related a strong { margin-top: 35px; font-size: 18px; line-height: 1.5; }.related a i { align-self: end; justify-self: end; font-style: normal; }
.legal-page { background: var(--cloud); }.legal-page main { width: min(90vw, 760px); margin: 0 auto; padding: 80px 0 120px; }.legal-page h1 { margin-top: 100px; font-size: 68px; letter-spacing: -.05em; }.legal-page h2 { margin-top: 45px; }.legal-page p { color: var(--muted); font-size: 17px; line-height: 1.9; }.legal-page main > a:last-child { display: inline-block; margin-top: 40px; color: var(--green); }

/* Description object / 1.5 — mobile first */
.description-page { padding-bottom: 92px; color: var(--ink); background: #07160f; }
.description-header { position: absolute; z-index: 20; top: 0; right: 0; left: 0; display: flex; align-items: center; justify-content: space-between; min-height: 72px; padding: 0 20px; color: #fff; }
.description-header .brand { font-size: 16px; }
.description-header-type { padding: 7px 10px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; font-size: 9px; letter-spacing: .12em; backdrop-filter: blur(12px); }
.description-header-exit { display: none; }
.description-hero { background: var(--paper); }
.description-visual { position: relative; overflow: hidden; height: 72svh; min-height: 520px; margin: 0; color: #fff; background: var(--forest); }
.description-visual img { width: 100%; height: 100%; object-fit: cover; }
.description-visual-shade { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5,18,11,.68) 0%, transparent 48%, rgba(6,17,12,.28) 100%); }
.description-visual figcaption { position: absolute; right: 20px; bottom: 24px; left: 20px; display: flex; align-items: end; justify-content: space-between; }
.description-visual figcaption span { font-size: 9px; letter-spacing: .18em; opacity: .68; }
.description-visual figcaption b { max-width: 46%; font-size: 12px; font-weight: 560; text-align: right; }
.description-intro { position: relative; z-index: 2; margin: -30px 12px 0; padding: 34px 22px 42px; border-radius: 28px 28px 0 0; background: var(--paper); }
.description-eyebrow { margin: 0 0 24px; color: var(--green); font-size: 9px; font-weight: 720; letter-spacing: .18em; }
.description-intro h1 { margin: 0; font-size: clamp(52px, 16vw, 78px); font-weight: 520; letter-spacing: -.075em; line-height: .98; text-wrap: balance; }
.description-tagline { max-width: 580px; margin: 25px 0 0; font-size: 22px; font-weight: 560; letter-spacing: -.025em; line-height: 1.45; }
.description-summary { margin: 28px 0 0; color: var(--muted); font-size: 16px; line-height: 1.9; }
.description-intro-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; }
.description-intro-meta span { padding: 8px 11px; border: 1px solid var(--line); border-radius: 999px; color: var(--forest); font-size: 10px; }
.description-story { padding: 70px 24px 88px; background: var(--paper); }
.description-story-mark { display: flex; align-items: center; gap: 16px; margin-bottom: 38px; color: var(--green); font-size: 9px; font-weight: 720; letter-spacing: .2em; }
.description-story-mark i { flex: 1; height: 1px; background: var(--line); }
.description-body { color: #26322c; font-family: "Songti SC", "Noto Serif CJK SC", serif; font-size: 18px; line-height: 2.05; }
.description-body p { margin: 0 0 1.45em; }
.description-body p:first-child::first-letter { float: left; margin: .08em .12em 0 0; color: var(--forest); font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif; font-size: 3.2em; font-weight: 520; line-height: .78; }
.description-body h2, .description-body h3 { margin: 2em 0 .75em; color: var(--ink); font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif; letter-spacing: -.03em; }
.description-body a { color: var(--green); text-decoration: underline; text-underline-offset: 4px; }
.description-highlights { padding: 78px 22px; color: #fff; background: var(--forest); }
.description-highlights > p { margin: 0 0 38px; color: var(--green-light); font-size: 10px; font-weight: 700; letter-spacing: .16em; }
.description-highlights ol { margin: 0; padding: 0; list-style: none; }
.description-highlights li { display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: start; padding: 25px 0; border-top: 1px solid rgba(255,255,255,.14); }
.description-highlights li:last-child { border-bottom: 1px solid rgba(255,255,255,.14); }
.description-highlights li span { padding-top: 4px; color: var(--green-light); font-size: 9px; }
.description-highlights li strong { font-size: 22px; font-weight: 520; letter-spacing: -.025em; line-height: 1.4; }
.description-aliases { display: grid; gap: 20px; padding: 54px 22px; background: #e8eee9; }
.description-aliases > span { color: var(--muted); font-size: 10px; letter-spacing: .14em; }
.description-aliases div { display: flex; flex-wrap: wrap; gap: 9px; }
.description-aliases em { padding: 9px 13px; border: 1px solid rgba(24,33,28,.16); border-radius: 999px; font-size: 12px; font-style: normal; }
.description-transition { padding: 90px 22px 105px; color: #fff; background: #0b2017; }
.description-transition > p { margin: 0 0 26px; color: var(--green-light); font-size: 9px; font-weight: 720; letter-spacing: .2em; }
.description-transition h2 { margin: 0; font-size: clamp(42px, 12vw, 66px); font-weight: 500; letter-spacing: -.06em; line-height: 1.06; }
.description-transition > a { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 20px; margin-top: 44px; padding: 20px; border: 1px solid rgba(255,255,255,.15); border-radius: 20px; background: rgba(255,255,255,.06); }
.description-transition > a span { display: grid; gap: 5px; }
.description-transition > a small { color: rgba(255,255,255,.48); font-size: 10px; }
.description-transition > a strong { font-size: 17px; }
.description-transition > a i { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 50%; color: var(--forest); background: var(--green-light); font-size: 20px; font-style: normal; }
.description-destination { display: block; margin-top: 13px; color: rgba(255,255,255,.4); font-size: 10px; text-align: center; }
.description-mobile-action { position: fixed; z-index: 90; right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); left: 10px; display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 12px; align-items: center; padding: 10px 10px 10px 15px; border: 1px solid rgba(255,255,255,.18); border-radius: 18px; color: #fff; background: rgba(9,28,19,.91); box-shadow: 0 18px 55px rgba(0,0,0,.28); backdrop-filter: blur(20px) saturate(120%); }
.description-mobile-action > div { display: grid; min-width: 0; gap: 3px; }
.description-mobile-action small { color: rgba(255,255,255,.48); font-size: 9px; }
.description-mobile-action strong { overflow: hidden; font-size: 11px; font-weight: 560; text-overflow: ellipsis; white-space: nowrap; }
.description-mobile-action > a { display: inline-flex; align-items: center; gap: 9px; min-height: 48px; padding: 0 17px; border-radius: 13px; color: #07160f; background: var(--green-light); font-size: 12px; font-weight: 720; white-space: nowrap; }
.description-footer { padding-bottom: 40px; }

@media (min-width: 900px) {
    .description-page { padding-bottom: 0; background: var(--paper); }
    .description-header { position: fixed; top: 18px; right: 3vw; left: 3vw; min-height: 62px; padding: 0 17px; border: 1px solid rgba(255,255,255,.3); border-radius: 17px; background: rgba(9,28,19,.2); backdrop-filter: blur(18px); }
    .description-header-type { position: absolute; left: 50%; transform: translateX(-50%); }
    .description-header-exit { display: inline-flex; align-items: center; gap: 12px; min-height: 38px; padding: 0 15px; border-radius: 10px; color: var(--forest); background: var(--green-light); font-size: 11px; font-weight: 700; }
    .description-hero { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(430px, .92fr); min-height: 100svh; }
    .description-visual { position: sticky; top: 0; height: 100svh; min-height: 700px; border-radius: 0 0 34px 0; }
    .description-visual figcaption { right: 36px; bottom: 34px; left: 36px; }
    .description-intro { align-self: center; max-width: 720px; margin: 0; padding: 130px clamp(48px, 6vw, 105px) 80px; border-radius: 0; }
    .description-intro h1 { font-size: clamp(72px, 7vw, 118px); }
    .description-tagline { margin-top: 34px; font-size: clamp(24px, 2vw, 34px); }
    .description-summary { font-size: 18px; }
    .description-story { display: grid; grid-template-columns: minmax(150px, .35fr) minmax(520px, .65fr); gap: 7vw; padding: 150px max(6vw, calc((100vw - 1260px)/2)); }
    .description-story-mark { align-items: start; padding-top: 12px; }
    .description-body { max-width: 780px; font-size: 21px; }
    .description-highlights { display: grid; grid-template-columns: minmax(200px,.35fr) minmax(600px,.65fr); gap: 7vw; padding: 130px max(6vw, calc((100vw - 1260px)/2)); }
    .description-highlights li { padding: 30px 0; }
    .description-highlights li strong { font-size: 29px; }
    .description-aliases { grid-template-columns: minmax(200px,.35fr) minmax(600px,.65fr); gap: 7vw; padding: 70px max(6vw, calc((100vw - 1260px)/2)); }
    .description-transition { padding: 150px max(6vw, calc((100vw - 1260px)/2)); text-align: center; }
    .description-transition h2 { max-width: 950px; margin: 0 auto; font-size: clamp(62px, 7vw, 108px); }
    .description-transition > a { max-width: 650px; margin: 60px auto 0; text-align: left; transition: transform .35s var(--ease), border-color .35s; }
    .description-transition > a:hover { transform: translateY(-4px); border-color: rgba(169,232,197,.55); }
    .description-mobile-action { display: none; }
    .description-footer { padding-bottom: 30px; }
}

@media (max-width: 980px) {
    .site-header { grid-template-columns: 1fr auto; }
    .site-nav { display: none; }
    .header-cta { margin-right: 52px; }
    .nav-toggle { position: absolute; right: 16px; display: grid; gap: 5px; width: 38px; height: 38px; place-content: center; }
    .nav-toggle span:not(.sr-only) { display: block; width: 18px; height: 1px; background: currentColor; transition: transform .25s; }
    .site-header.nav-open .nav-toggle span:first-child { transform: translateY(3px) rotate(45deg); }.site-header.nav-open .nav-toggle span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }
    .site-header.nav-open .site-nav { position: absolute; top: 74px; right: 0; left: 0; display: grid; gap: 0; padding: 14px; border: 1px solid var(--line); border-radius: 18px; color: var(--ink); background: rgba(251,252,249,.97); box-shadow: var(--shadow); }
    .site-header.nav-open .site-nav a { padding: 13px 10px; border-bottom: 1px solid var(--line); }
    .manifesto-grid, .section-head, .method-stage, .scene-shell, .engine { grid-template-columns: 1fr; }
    .manifesto-copy { max-width: 650px; }
    .method-visual { position: relative; top: 0; }
    .scene-shell { min-height: auto; }.scene-media { position: relative; height: 75vh; min-height: 600px; border-radius: var(--radius-lg); }.scene-content { padding-top: 80px; }
    .project-grid { grid-template-columns: 1fr; grid-template-rows: 520px 340px 340px; }.project-card-featured { grid-row: auto; }
    .engine-image { order: 2; }.engine-copy { order: 1; }
    .insight-grid { grid-template-columns: repeat(2,1fr); }
    .footer-main { grid-template-columns: 1fr 1fr; }.footer-main nav { grid-column: 1/-1; }
}

@media (max-width: 760px) {
    :root { --radius-lg: 24px; --radius-md: 18px; }
    .site-header { top: 10px; width: calc(100vw - 20px); height: 58px; padding-left: 16px; border-radius: 15px; }
    .brand { font-size: 16px; }.brand-dot { width: 18px; height: 18px; }.header-cta { display: none; }
    .hero { height: 260vh; min-height: 1500px; }.hero-sticky { min-height: 590px; }
    .hero-picture { transform-origin: 55% 36%; }.hero-picture img { object-position: center center; }
    .hero-vignette { background: linear-gradient(0deg, rgba(7,18,13,.72) 0%, rgba(8,18,13,.18) 58%, rgba(7,15,11,.08) 100%); }
    .hero-copy { top: auto; right: 24px; bottom: 12vh; left: 24px; width: auto; transform: translateY(calc(var(--hero-progress, 0) * -14px)); }
    .hero .eyebrow { margin-bottom: 15px; font-size: 9px; }.hero h1 { font-size: clamp(46px, 13vw, 65px); max-width: 520px; }.hero-lead { margin-top: 18px; font-size: 15px; line-height: 1.7; }.hero-actions { margin-top: 25px; }.text-link { display: none; }.button { min-height: 48px; padding: 0 19px; }
    .hero-signals { top: 13vh; right: 18px; bottom: auto; width: auto; }.hero-signals span { font-size: 9px; padding: 7px 10px; }
    .hero-progress { top: 18vh; right: 10px; height: 45vh; }.hero-index { display: none; }.scroll-cue { left: 24px; bottom: 18px; }
    .section-pad { padding: 95px 22px; }.display-title { font-size: 47px; }.manifesto-grid { gap: 45px; }.manifesto-copy { font-size: 16px; }
    .section-head { gap: 30px; margin-bottom: 50px; }.section-head h2 { font-size: 50px; }.section-head > p { font-size: 15px; }
    .method-visual { min-height: 470px; }.method-visual img { min-height: 470px; object-position: 55% center; }.visual-caption { right: 22px; bottom: 22px; left: 22px; }.visual-caption strong { max-width: 165px; font-size: 16px; }.material-orbit { width: 55%; }
    .method-item { grid-template-columns: 32px 1fr auto; gap: 12px; padding: 28px 0; }.method-item h3 { font-size: 27px; }.method-item p { font-size: 14px; }
    .scenarios { padding-top: 0; }.scene-media { height: 68vh; min-height: 510px; }.scene-content { padding-top: 65px; }.scene-content > h2 { margin-bottom: 65px; font-size: 46px; }.scene-list { gap: 35px; }.scene-item { min-height: 0; padding-bottom: 50px; opacity: 1; }.scene-item.is-active { transform: none; }.scene-item h3 { font-size: 29px; }
    .projects { padding-right: 14px; padding-left: 14px; }.projects .section-head { padding: 0 8px; }.project-grid { grid-template-rows: 500px 330px 360px; gap: 12px; }.project-card { padding: 26px; }.project-card-featured { background: radial-gradient(circle at 60% 30%, rgba(35,191,115,.27), transparent 30%), linear-gradient(145deg,#173d2e,#0c2118); }.project-copy h3 { font-size: 40px; }.project-signal { width: 75%; right: -8%; }
    .engine { min-height: 0; }.engine-copy h2 { font-size: 58px; }.engine-image { min-height: 480px; }.engine-image img { height: 480px; object-position: 63% center; }.engine-capabilities { grid-template-columns: 1fr; }
    .insight-grid { grid-template-columns: 1fr; }.insight-card { min-height: 320px; }.insight-card h3, .insight-card h2 { margin-top: 55px; }
    .contact { min-height: 720px; }.contact h2 { font-size: 53px; }.contact-lead { font-size: 16px; }.contact-actions { align-items: stretch; flex-direction: column; }.qr-placeholder { min-width: 0; width: 100%; }.contact-glow { right: -20%; bottom: 5%; }
    .site-footer { padding: 55px 22px 25px; }.footer-main { grid-template-columns: 1fr; padding-bottom: 50px; }.footer-main nav { grid-column: auto; flex-wrap: wrap; }.footer-legal, .footer-registry { display: grid; justify-items: start; gap: 12px; }
    .insight-index { padding-top: 120px; }.insight-index > h1 { font-size: 70px; }.index-lead { font-size: 16px; }
    .article-shell { padding-top: 115px; }.article-head h1 { font-size: 45px; }.article-head > p { font-size: 16px; }.article-cover { margin: 45px 0; }.article-content { font-size: 17px; }.article-content h2 { font-size: 27px; }.related > div { grid-template-columns: 1fr; }
    .legal-page h1 { font-size: 50px; }
}

@media (max-width: 980px) {
    .project-grid.has-descriptions { grid-template-rows: none; grid-auto-rows: 360px; }
    .project-grid.has-descriptions .description-home-card.project-card-featured { grid-row: auto; min-height: 500px; }
}

@media (max-width: 760px) {
    .project-grid.has-descriptions { grid-template-rows: none; grid-auto-rows: 350px; }
    .project-grid.has-descriptions .description-home-card.project-card-featured { min-height: 500px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
    .hero { height: 100vh; min-height: 680px; }.hero-picture { transform: none; }.hero-canvas, .hero-signals, .hero-progress, .hero-index, .scroll-cue { display: none; }.hero-copy { opacity: 1; transform: translateY(-45%); }
    .js .reveal { opacity: 1; transform: none; }
}