@charset "UTF-8";

:root {
  color-scheme: light;
  --jade-light: #A1C9B6;
  --jade-mid: #5A8F7D;
  --jade-dark: #174D43;
  --gold: #CDA45C;
  --ink: #26372f;
  --paper: #F7F6F0;
  --line: #DCE5DD;
  --serif: "Iowan Old Style", "Palatino Linotype", "Noto Serif CJK SC", "Songti SC", serif;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 6rem; }
body { margin: 0; color: var(--ink); background: var(--paper); font-size: 16px; line-height: 1.7; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--jade-dark); outline-offset: 2px; box-shadow: 0 0 0 4px #D4E5D8; border-radius: 3px; }
::selection { color: var(--jade-dark); background: var(--jade-light); }
.container { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 50; top: 10px; left: 10px; padding: 10px 16px; color: #fff; background: var(--jade-dark); border-radius: 6px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; z-index: 20; top: 0; background: rgb(247 246 240 / 94%); border-bottom: 1px solid rgb(23 77 67 / 9%); backdrop-filter: blur(14px); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand img { width: 48px; height: 48px; }
.brand-copy { display: grid; line-height: 1.25; }
.brand-copy strong { color: var(--jade-dark); font-size: 15px; letter-spacing: .04em; }
.brand-copy span { margin-top: 4px; color: #65756C; font-size: 9px; letter-spacing: .18em; }
.site-nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 42px); }
.site-nav a { color: #55655C; font-size: 13px; transition: color .2s ease; }
.site-nav a:hover { color: var(--jade-dark); }
.site-nav .nav-cta { display: inline-flex; align-items: center; gap: 12px; padding: 10px 16px; color: var(--jade-dark); border: 1px solid #CDD8CE; border-radius: 99px; }
.site-nav .nav-cta:hover { color: #fff; background: var(--jade-dark); border-color: var(--jade-dark); }

.hero { position: relative; overflow: hidden; color: #fff; background: radial-gradient(ellipse at 76% 45%, rgb(205 164 92 / 14%), transparent 35%), linear-gradient(118deg, #123B34, #174D43 54%, #20584A); }
.hero::before { position: absolute; inset: 0; background-image: linear-gradient(rgb(255 255 255 / 3%) 1px, transparent 1px), linear-gradient(90deg, rgb(255 255 255 / 3%) 1px, transparent 1px); background-size: 74px 74px; content: ""; mask-image: linear-gradient(90deg, transparent, #000 35%, #000 86%, transparent); }
.hero-glow { position: absolute; width: 360px; aspect-ratio: 1; border-radius: 50%; pointer-events: none; }
.hero-glow--one { top: 3%; right: 8%; background: radial-gradient(circle, rgb(205 164 92 / 12%), transparent 68%); }
.hero-glow--two { bottom: -32%; left: -10%; background: radial-gradient(circle, rgb(161 201 182 / 13%), transparent 68%); }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 40px; min-height: 590px; padding-block: 78px 58px; }
.hero-copy { max-width: 610px; padding-bottom: 14px; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 24px; color: #174D43; font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow--light { color: #C5D9CE; }
.eyebrow-number { color: #61786C; font: 12px/1 var(--serif); letter-spacing: .04em; }
.eyebrow--light .eyebrow-number { color: #86A99B; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--jade-light); box-shadow: 0 0 0 5px rgb(161 201 182 / 12%); }
.hero h1 { margin: 0; color: #FBFAF4; font-size: clamp(42px, 5.4vw, 68px); font-weight: 500; letter-spacing: -.055em; line-height: 1.23; }
.hero h1 span { color: var(--jade-light); }
.hero-lede { max-width: 520px; margin: 24px 0 0; color: #CBD6CD; font-size: 16px; line-height: 1.95; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 34px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 20px; padding: 0 20px; border-radius: 5px; font-size: 13px; font-weight: 700; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button--jade { color: var(--jade-dark); background: var(--jade-light); box-shadow: 0 8px 24px rgb(0 0 0 / 12%); }
.button--jade:hover { background: #B8D9C8; box-shadow: 0 12px 30px rgb(0 0 0 / 18%); }
.text-link { font-size: 13px; }
.text-link--light { color: #E8EEE7; }
.text-link span, .underlined-link span { margin-left: 8px; }
.hero-note { display: flex; align-items: center; gap: 12px; margin: 39px 0 0; color: #B1C2B7; font-size: 11px; }
.note-line { width: 30px; height: 1px; background: #6A9886; }
.hero-visual { position: relative; width: min(100%, 470px); aspect-ratio: 1; justify-self: end; display: grid; place-items: center; isolation: isolate; }
.visual-grid { position: absolute; inset: 13%; border: 1px solid rgb(205 164 92 / 14%); border-radius: 50%; background: radial-gradient(circle, rgb(161 201 182 / 10%), transparent 56%); }
.orbit-system { position: absolute; z-index: 0; inset: 0; display: grid; place-items: center; pointer-events: none; transform-origin: center; animation: galaxy-rotation 108s linear infinite; }
.orbit { position: absolute; z-index: -1; border: 1px solid rgb(161 201 182 / 34%); border-radius: 50%; transform: rotate(-28deg); }
.orbit--outer { width: 86%; height: 41%; }
.orbit--inner { width: 64%; height: 81%; border-color: rgb(161 201 182 / 20%); transform: rotate(40deg); }
.visual-core { position: relative; display: grid; width: 190px; aspect-ratio: 1; place-items: center; border: 1px solid rgb(205 164 92 / 42%); border-radius: 50%; background: #F5F3EA; box-shadow: 0 0 90px rgb(205 164 92 / 13%); }
.visual-core img { width: 132px; height: 132px; opacity: 1; }
.core-halo { position: absolute; inset: -12px; border: 1px solid rgb(205 164 92 / 24%); border-radius: 50%; animation: halo-breathe 6.5s ease-in-out infinite; }
.orbit-point { position: absolute; width: 12px; aspect-ratio: 1; border: 3px solid #174D43; border-radius: 50%; background: var(--jade-light); box-shadow: 0 0 24px rgb(161 201 182 / 55%); }
.orbit-point--top { top: 19%; left: 28%; animation: orbit-point-pulse 4.8s ease-in-out infinite; }
.orbit-point--bottom { right: 15%; bottom: 28%; width: 9px; background: var(--gold); box-shadow: 0 0 20px rgb(205 164 92 / 60%); animation: orbit-point-pulse 5.6s 1.4s ease-in-out infinite; }
.orbit-label { position: absolute; display: flex; align-items: center; gap: 8px; padding: 8px 12px; color: #234238; border: 1px solid rgb(205 164 92 / 34%); border-radius: 99px; background: rgb(247 246 240 / 94%); font-size: 10px; }
.orbit-label--left { top: 27%; left: 0; }
.orbit-label--right { right: -1%; bottom: 31%; }
.label-mark { width: 6px; height: 6px; border-radius: 50%; }
.label-mark--jade { background: var(--jade-mid); }
.label-mark--gold { background: var(--gold); }
.visual-caption { position: absolute; right: 8%; bottom: 6%; display: grid; gap: 4px; padding: 12px 0 12px 16px; border-left: 1px solid rgb(205 164 92 / 72%); }
.caption-kicker { color: #B9D2C5; font-size: 8px; letter-spacing: .18em; }
.caption-title { color: #F1F2E9; font-size: 11px; }
.visual-node { position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 16px rgb(205 164 92 / 45%); opacity: .85; transform-origin: center; animation: node-pulse 4.6s ease-in-out infinite; }
.visual-node--one { top: 12%; right: 22%; }
.visual-node--two { bottom: 19%; left: 13%; width: 5px; height: 5px; background: var(--jade-light); box-shadow: 0 0 14px rgb(161 201 182 / 50%); animation-delay: 1.8s; }
.hero-bottom { position: relative; display: flex; align-items: center; gap: 18px; padding: 0 0 24px; color: #B5CBBE; font-size: 8px; letter-spacing: .18em; }
.hero-bottom-line { width: 44px; height: 1px; background: #6A9886; }

@keyframes galaxy-rotation { to { transform: rotate(360deg); } }
@keyframes halo-breathe { 0%, 100% { opacity: .45; transform: scale(.985); } 50% { opacity: .9; transform: scale(1.025); } }
@keyframes orbit-point-pulse { 0%, 100% { opacity: .78; transform: scale(.92); } 50% { opacity: 1; transform: scale(1.08); } }
@keyframes node-pulse { 0%, 100% { opacity: .55; transform: scale(.86); } 50% { opacity: 1; transform: scale(1.12); } }

.section-space { padding-block: 112px; }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: start; }
.section-title { margin: 0; color: var(--jade-dark); font-size: clamp(34px, 4.2vw, 48px); font-weight: 500; letter-spacing: -.045em; line-height: 1.35; }
.serif-accent { color: var(--jade-mid); font-family: var(--serif); font-weight: 500; letter-spacing: -.02em; }
.intro-body { padding-top: 35px; color: #65756C; font-size: 14px; }
.intro-body p { margin: 0 0 18px; }
.intro-body .intro-lede { margin-bottom: 20px; color: #485C52; font-size: 18px; line-height: 1.8; }
.underlined-link { display: inline-flex; align-items: center; margin-top: 9px; padding-bottom: 5px; color: #174D43; border-bottom: 1px solid #91B8A8; font-size: 13px; font-weight: 700; }
.principle-strip { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 80px; padding-block: 21px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.strip-item { display: flex; align-items: center; gap: 13px; color: #55675D; font-size: 12px; }
.strip-index { color: #61786C; font: 14px var(--serif); }
.strip-item--end { justify-content: end; color: #65756C; font-size: 10px; }
.strip-star { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }

.capabilities { background: #EDF2EC; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 43px; }
.section-heading .eyebrow { margin-bottom: 18px; }
.section-aside { max-width: 330px; margin: 0 0 5px; color: #63736A; font-size: 12px; line-height: 1.8; }
.capability-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; }
.capability-card { position: relative; min-height: 290px; overflow: hidden; padding: 28px 30px; border: 1px solid #e0e8e4; border-radius: 8px; background: #fff; }
.capability-card--large { min-height: 340px; color: #f2f6f4; background: var(--jade-dark); border-color: var(--jade-dark); }
.capability-card--memory { background: #E3EEE7; border-color: #d0e9df; }
.capability-card--multi, .capability-card--presence { min-height: 260px; }
.capability-card--presence { background: #F4F0E6; border-color: #e9e3d5; }
.card-topline { display: flex; justify-content: space-between; align-items: center; }
.card-symbol { display: grid; width: 38px; aspect-ratio: 1; place-items: center; color: var(--jade-mid); border: 1px solid #dce9e3; border-radius: 50%; font-size: 17px; }
.capability-card--large .card-symbol { color: var(--jade-light); border-color: rgb(255 255 255 / 20%); }
.card-symbol--dialogue { font: 20px var(--serif); }
.card-symbol--memory { color: #5A8F7D; border-color: #bedcd2; }
.card-symbol--multi { color: #5A8F7D; }
.card-symbol--presence { color: #8D7343; border-color: #e1d7c4; }
.stage-tag { padding: 5px 9px; color: #50756e; border: 1px solid #dbe9e3; border-radius: 99px; font-size: 9px; }
.capability-card--large .stage-tag { color: #C4DACB; border-color: rgb(161 201 182 / 27%); }
.capability-card--presence .stage-tag { color: #735E35; border-color: #e2d8c6; }
.capability-card--memory .stage-tag { color: #46635d; }
.card-index { margin: 19px 0 5px; color: #64776B; font-size: 8px; letter-spacing: .18em; }
.capability-card--memory .card-index, .capability-card--presence .card-index { color: #5F7168; }
.capability-card--large .card-index { color: #81A99A; }
.capability-card h3 { position: relative; z-index: 1; margin: 0 0 9px; color: var(--jade-dark); font-size: 20px; font-weight: 600; letter-spacing: -.02em; }
.capability-card--large h3 { color: #fff; }
.capability-card > p:not(.card-index) { position: relative; z-index: 1; max-width: 430px; margin: 0; color: #63736A; font-size: 12px; line-height: 1.8; }
.capability-card--large > p:not(.card-index) { max-width: 330px; color: #BDCCC1; }
.dialogue-visual { position: absolute; right: 6%; bottom: 7%; width: 39%; height: 42%; }
.dialogue-orbit { position: absolute; right: 8%; bottom: -19%; width: 74%; aspect-ratio: 1; border: 1px solid rgb(161 201 182 / 23%); border-radius: 50%; }
.dialogue-bubble { position: absolute; width: 69px; height: 26px; border: 1px solid rgb(141 214 204 / 36%); border-radius: 20px 20px 20px 5px; background: rgb(23 77 67 / 35%); }
.dialogue-bubble::after { position: absolute; top: 11px; left: 12px; width: 23px; height: 2px; background: #82AA99; content: ""; }
.dialogue-bubble--one { top: 0; right: 14%; }
.dialogue-bubble--two { top: 42%; right: 37%; width: 88px; border-radius: 20px 20px 5px 20px; }
.dialogue-bubble--three { right: 0; bottom: 4%; width: 58px; opacity: .56; }
.memory-visual { position: absolute; right: 23px; bottom: -24px; display: flex; align-items: end; gap: 8px; height: 118px; transform: rotate(-30deg); opacity: .68; }
.memory-visual span { display: block; width: 36px; height: 82px; border: 1px solid #82AA99; border-radius: 20px; background: linear-gradient(180deg, rgb(255 255 255 / 10%), rgb(90 143 125 / 14%)); }
.memory-visual span:nth-child(2) { height: 115px; }
.memory-visual span:nth-child(3) { height: 60px; }
.memory-visual i { position: absolute; top: -7px; left: 39px; width: 20px; height: 20px; border: 1px solid #5A8F7D; border-radius: 50%; background: #E3EEE7; }
.device-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 21px; }
.device-tags span { padding: 4px 9px; color: #5B7065; border: 1px solid #dce5e4; border-radius: 3px; background: #F8F9F4; font-size: 9px; }
.presence-visual { position: absolute; right: 18px; bottom: 0; width: 150px; height: 110px; }
.presence-ring { position: absolute; right: 4px; bottom: -58px; width: 125px; aspect-ratio: 1; border: 1px solid #BBA97B; border-radius: 50%; }
.presence-ring--two { right: 20px; bottom: -42px; width: 92px; border-color: #CDA45C; }
.presence-center { position: absolute; top: 29px; right: 59px; width: 12px; aspect-ratio: 1; border-radius: 50%; background: #CDA45C; box-shadow: 0 0 0 7px rgb(205 164 92 / 12%), 0 0 0 14px rgb(205 164 92 / 8%); }
.presence-wave { position: absolute; top: 17px; right: 40px; width: 50px; height: 36px; border-top: 1px solid #BFA873; border-radius: 50%; transform: rotate(27deg); }
.presence-wave--two { top: 6px; right: 31px; width: 69px; height: 49px; opacity: .6; }

.continuity { position: relative; overflow: hidden; padding-block: 100px; color: var(--ink); background: #E7EFE8; }
.continuity::after { position: absolute; right: -10%; bottom: -70%; width: 620px; aspect-ratio: 1; border: 1px solid rgb(23 77 67 / 12%); border-radius: 50%; box-shadow: 0 0 0 50px rgb(23 77 67 / 4%), 0 0 0 100px rgb(205 164 92 / 5%); content: ""; pointer-events: none; }
.continuity-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .83fr 1.17fr; gap: 105px; align-items: center; }
.continuity-copy .eyebrow { margin-bottom: 23px; }
.continuity .eyebrow--light { color: var(--jade-dark); }
.continuity .eyebrow-number { color: var(--jade-mid); }
.continuity-copy h2 { margin: 0; color: var(--jade-dark); font-size: clamp(35px, 4.5vw, 52px); font-weight: 500; letter-spacing: -.045em; line-height: 1.35; }
.continuity-copy > p:last-child { max-width: 370px; margin: 22px 0 0; color: #52675C; font-size: 13px; line-height: 1.95; }
.continuity-steps { border-top: 1px solid rgb(23 77 67 / 19%); }
.step-card { display: grid; grid-template-columns: 46px 1fr 26px; gap: 20px; align-items: start; padding: 23px 0; border-bottom: 1px solid rgb(23 77 67 / 19%); }
.step-number { padding-top: 3px; color: #7EAA96; font: 15px var(--serif); }
.step-card h3 { margin: 0 0 5px; color: #263F34; font-size: 15px; }
.step-card p { margin: 0; color: #5B6E63; font-size: 11px; line-height: 1.75; }
.step-arrow { padding-top: 1px; color: #A77B32; font-size: 16px; }

.research { background: var(--paper); }
.research-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: center; }
.research-heading .eyebrow { margin-bottom: 20px; }
.research-heading > p:last-child { max-width: 430px; margin: 21px 0 0; color: #65756C; font-size: 13px; line-height: 1.9; }
.research-status { padding: 30px 32px 24px; border: 1px solid #dfe8e3; border-radius: 8px; background: #fff; box-shadow: 0 24px 55px rgb(23 77 67 / 5%); }
.status-header { display: flex; justify-content: space-between; align-items: center; padding-bottom: 18px; border-bottom: 1px solid #e8eeeb; }
.status-indicator { display: flex; align-items: center; gap: 8px; color: #386F5D; font-size: 8px; font-weight: 700; letter-spacing: .15em; }
.status-indicator i { width: 6px; height: 6px; border-radius: 50%; background: #5A8F7D; box-shadow: 0 0 0 4px #e2f1ec; }
.status-asof { color: #66766E; font-size: 10px; }
.status-main { display: flex; align-items: center; gap: 23px; padding: 25px 0; }
.status-orbit { position: relative; display: grid; width: 60px; aspect-ratio: 1; place-items: center; border: 1px solid #d2e3dc; border-radius: 50%; }
.status-orbit::before { position: absolute; width: 38px; height: 18px; border: 1px solid #82AA99; border-radius: 50%; transform: rotate(-35deg); content: ""; }
.status-orbit i { width: 9px; aspect-ratio: 1; border-radius: 50%; background: var(--jade-mid); }
.status-orbit b { position: absolute; right: 10px; bottom: 14px; width: 5px; aspect-ratio: 1; border-radius: 50%; background: #CDA45C; }
.status-label { margin: 0 0 5px; color: #64776B; font-size: 10px; }
.status-main h3 { margin: 0; color: var(--jade-dark); font-size: 23px; font-weight: 600; line-height: 1.4; }
.status-divider { height: 1px; background: #e8eeeb; }
.status-rows { display: grid; }
.status-rows > div { display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 11px 0; border-bottom: 1px solid #edf1ef; color: #5B6E63; font-size: 11px; }
.status-pill { flex: 0 0 auto; padding: 3px 8px; color: #426B5C; border-radius: 99px; background: #edf6f2; font-size: 9px; }
.status-footnote { margin: 15px 0 0; color: #6E7C73; font-size: 9px; line-height: 1.7; }

.principles { color: #fff; background: #123B34; }
.principles-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.principles-lead .eyebrow { margin-bottom: 21px; }
.principles-lead h2 { margin: 0; color: #f4f7f6; font-size: clamp(34px, 4.1vw, 47px); font-weight: 500; letter-spacing: -.045em; line-height: 1.4; }
.principles-lead h2 span { color: var(--jade-light); font-family: var(--serif); }
.principles-lead > p:last-child { max-width: 380px; margin: 20px 0 0; color: #B8C8BE; font-size: 12px; line-height: 1.9; }
.principle-list { border-top: 1px solid rgb(211 229 225 / 23%); }
.principle-list article { display: grid; grid-template-columns: 44px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid rgb(211 229 225 / 23%); }
.principle-number { padding-top: 3px; color: #7BAA95; font: 14px var(--serif); }
.principle-list h3 { margin: 0 0 4px; color: #eaf1f0; font-size: 14px; }
.principle-list article p { margin: 0; color: #B5C4BA; font-size: 11px; line-height: 1.8; }
.principle-note { margin: 14px 0 0; color: #9EAEA3; font-size: 9px; line-height: 1.75; }

.closing { padding-block: 76px; text-align: center; background: #EDF2EC; }
.closing-inner { display: flex; flex-direction: column; align-items: center; }
.closing-brand { display: block; width: min(400px, 100%); margin-bottom: 20px; }
.closing-brand img { width: 100%; height: auto; object-fit: contain; }
.closing-inner .eyebrow { margin: 0 0 8px; color: #65756C; font-size: 9px; }
.closing h2 { margin: 0; color: var(--jade-dark); font-size: clamp(26px, 3.5vw, 36px); font-weight: 500; letter-spacing: -.035em; }
.closing-inner > p:not(.eyebrow) { margin: 9px 0 23px; color: #65756C; font-size: 11px; }
.button--primary { min-height: 42px; padding-inline: 17px; color: #fff; background: var(--jade-dark); font-size: 11px; }
.button--primary:hover { background: #20584A; }
.site-footer { padding-block: 19px; color: #B0BDB4; background: #10382F; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.footer-brand { display: inline-flex; align-items: center; gap: 9px; color: #F0F3EC; font-size: 11px; font-weight: 700; letter-spacing: .06em; }
.footer-brand img { width: 32px; height: 32px; }
.footer-brand span { display: grid; gap: 2px; color: #F0F3EC; font-size: 11px; line-height: 1.2; }
.footer-brand small { color: #B7C8BC; font-size: 7px; font-weight: 400; letter-spacing: .18em; }
.footer-inner p { margin: 0; font-size: 9px; }
.footer-top { color: #B3C1B7; font-size: 9px; }
.footer-top span { margin-left: 5px; color: var(--jade-light); }

@media (max-width: 900px) {
  .container { width: min(100% - 48px, 720px); }
  .header-inner { min-height: 74px; }
  .site-nav { gap: 17px; }
  .site-nav a { font-size: 11px; }
  .hero-grid { grid-template-columns: 1fr .8fr; gap: 14px; min-height: 540px; }
  .hero-visual { width: 100%; }
  .visual-core { width: 150px; }
  .visual-core img { width: 106px; height: 106px; }
  .orbit-label { font-size: 8px; }
  .intro-grid, .research-grid, .continuity-grid, .principles-grid { gap: 55px; }
  .section-space { padding-block: 88px; }
}
@media (max-width: 680px) {
  html { scroll-padding-top: 136px; }
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: auto; flex-wrap: wrap; gap: 4px; padding-block: 10px 8px; }
  .brand { gap: 8px; }
  .brand img { width: 48px; height: 48px; }
  .brand-copy strong { font-size: 12px; }
  .brand-copy span { font-size: 8px; }
  .site-nav { width: 100%; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; padding-top: 5px; }
  .site-nav a { padding: 7px 5px; font-size: 12px; text-align: center; }
  .site-nav .nav-cta { justify-content: center; padding: 7px 8px; gap: 5px; }
  .hero-grid { grid-template-columns: 1fr; min-height: 0; padding-block: 61px 20px; }
  .hero-copy { padding-bottom: 0; }
  .hero h1 { font-size: clamp(42px, 12vw, 58px); }
  .hero-lede { margin-top: 18px; font-size: 14px; }
  .hero-actions { flex-wrap: wrap; gap: 18px; margin-top: 25px; }
  .hero-note { margin-top: 24px; font-size: 10px; }
  .hero-visual { width: min(100%, 370px); justify-self: center; margin-top: 3px; }
  .visual-core { width: 142px; }
  .visual-core img { width: 100px; height: 100px; }
  .orbit-label--left { left: 1%; }
  .orbit-label--right { right: 0; }
  .visual-caption { right: 4%; bottom: 3%; }
  .hero-bottom { padding-bottom: 18px; font-size: 7px; }
  .section-space { padding-block: 68px; }
  .intro-grid, .research-grid, .continuity-grid, .principles-grid { grid-template-columns: 1fr; gap: 25px; }
  .intro-body { padding-top: 0; }
  .intro-body .intro-lede { font-size: 16px; }
  .principle-strip { grid-template-columns: 1fr 1fr; gap: 15px 12px; margin-top: 40px; }
  .strip-item--end { justify-content: start; }
  .section-heading { display: block; margin-bottom: 28px; }
  .section-aside { margin-top: 15px; }
  .capability-grid { grid-template-columns: 1fr; gap: 12px; }
  .capability-card, .capability-card--large, .capability-card--multi, .capability-card--presence { min-height: 258px; padding: 23px; }
  .capability-card--large { min-height: 300px; }
  .dialogue-visual { width: 36%; height: 39%; }
  .continuity { padding-block: 68px; }
  .continuity-grid { gap: 32px; }
  .continuity-copy h2 { font-size: 40px; }
  .step-card { grid-template-columns: 34px 1fr 22px; gap: 13px; padding: 19px 0; }
  .research-status { padding: 23px 19px 18px; }
  .status-main h3 { font-size: 20px; }
  .principles-grid { gap: 30px; }
  .principles-lead h2 { font-size: 38px; }
  .closing { padding-block: 60px; }
  .footer-inner { flex-wrap: wrap; justify-content: center; gap: 7px 15px; text-align: center; }
  .footer-brand { width: 100%; justify-content: center; }
}
@media (max-width: 360px) {
  .container { width: calc(100% - 32px); }
  .site-nav a { font-size: 11px; }
  .site-nav { gap: 4px; }
  .hero-actions { gap: 13px; }
  .text-link { font-size: 11px; }
  .status-rows > div { font-size: 10px; }
}
@media (max-width: 399px) {
  .closing-brand { width: 48px; height: 48px; margin-bottom: 16px; }
  .closing-brand img { width: 48px; height: 48px; }
}
@media (prefers-reduced-motion: reduce) {
  :root { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}