/* The public library is isolated from the lecture overlays. */
#materials-home {
  --ink: #141d35; --azure: #2e5496; --azure-pale: #d8e4f0; --muted: #64728a;
  --paper: #f8f7f4; --navy: #1f3864; --navy-deep: #141d35; --red: #e23744; --red-bright: #ff5d6a;
  --max-w: 1200px; color: var(--ink); background: var(--paper);
}
#materials-home [hidden] { display: none !important; }
#materials-home :is(a, button, input, select):focus-visible { outline: 3px solid #2e5496; outline-offset: 5px; }
#materials-home .inner { max-width: 1200px; padding: 0; }
#materials-home .site-frame { display: none; }
#materials-home .mh-header { position: absolute; inset: 0 0 auto; height: 88px; padding: 0 5vw; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #d8e4f030; color: #fff; z-index: 5; }
#materials-home .mh-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-en); font-size: 19px; font-weight: 700; letter-spacing: -.04em; }
#materials-home .mh-brand span { font-size: 12px; font-weight: 500; letter-spacing: .08em; padding-left: 12px; border-left: 1px solid #d8e4f04d; }
#materials-home .mh-nav { display: flex; gap: 30px; font-size: 13px; font-weight: 700; }
#materials-home .mh-nav a { padding: 12px 0; border-bottom: 1px solid transparent; transition: border-color .2s; }
#materials-home .mh-nav a:hover { border-color: currentColor; }
#materials-home .mh-skip { position: fixed; left: 20px; top: -100px; z-index: 6; padding: 12px 20px; background: white; }
#materials-home .mh-skip:focus { top: 16px; }
#materials-home .hero { min-height: max(720px, 100svh); padding: 140px 5vw 88px; background: radial-gradient(ellipse at 78% 38%,#1f38648c,transparent 65%),linear-gradient(168deg,#141d35,#0a0f1c 76%); color: #fff; justify-content: center; isolation: isolate; }
#materials-home .hero::before { content: ''; position: absolute; z-index: 0; width: 65vw; height: 65vw; max-width: 950px; max-height: 950px; right: -9vw; top: -14%; border-radius: 50%; background: radial-gradient(circle at 40% 36%,#2e549659,#2e54961a 48%,transparent 70%); animation: mh-glow-drift 18s ease-in-out infinite alternate; animation-play-state: paused; }
#materials-home .hero::after { content: ''; position: absolute; z-index: 4; inset: -50%; pointer-events: none; opacity: 0; background: linear-gradient(110deg,transparent 42%,#b5d5ff03 46%,#b5d5ff24 50%,#b5d5ff03 54%,transparent 58%); transform: translateX(-70%); }
#materials-home .hero.is-entering::after { animation: mh-opening-scan 3s cubic-bezier(.2,.7,.2,1) both; }
#materials-home :is(.hero-rail,.hero-note,.hero-scroll) { display: none; }
#materials-home .hero-photo { display: block; top: 6%; right: 10%; bottom: 0; width: 58%; z-index: 1; background-image: url('ozaken-portrait.jpg'); background-size: cover; background-position: center 18%; opacity: .32; filter: grayscale(1) contrast(1.12); mix-blend-mode: luminosity; -webkit-mask-image: linear-gradient(90deg,transparent,#000 34%,#000 88%,transparent); mask-image: linear-gradient(90deg,transparent,#000 34%,#000 88%,transparent); transform-origin: 65% 42%; animation: mh-portrait-drift 24s ease-in-out infinite alternate; animation-play-state: paused; }
#materials-home .hero.is-entering .hero-photo { animation: mh-portrait-drift 24s ease-in-out infinite alternate, mh-photo-arrive 2.7s cubic-bezier(.2,.7,.2,1) both; }
#materials-home .hero-photo::after { background: linear-gradient(0deg,#0a0f1c,transparent 46%,#141d3599),linear-gradient(90deg,#141d3580,transparent 65%); }
#materials-home .texture { display: block; inset: -5%; z-index: 2; opacity: .17; -webkit-mask-image: radial-gradient(ellipse at 72% 45%,#000,transparent 74%); mask-image: radial-gradient(ellipse at 72% 45%,#000,transparent 74%); animation: mh-grid-drift 24s ease-in-out infinite alternate; animation-play-state: paused; }
#materials-home .hero-sweep { display: block; z-index: 2; animation: mh-light-pass 12s ease-in-out infinite; animation-play-state: paused; opacity: 0; box-shadow: 0 0 40px #9fc6f54d; }
#materials-home .hero-giant { display: block; z-index: 0; left: 3.8vw; right: auto; bottom: -.23em; font: 700 clamp(100px,19vw,280px)/1 var(--font-en); letter-spacing: -.06em; color: transparent; -webkit-text-stroke: 1px #d8e4f014; animation: none; transform: none; }
#materials-home .hero.is-in-view::before,
#materials-home .hero.is-in-view :is(.hero-photo,.texture,.hero-sweep) { animation-play-state: running; }
#materials-home .hero > .inner { width: 100%; max-width: 1200px; }
#materials-home .hero .eyebrow { display: block; font-size: 12px; font-weight: 600; letter-spacing: .14em; color: #b4c8e4; margin: 0 0 24px; animation: mh-rise 1.25s .12s both; }
#materials-home .hero-vision { display: none; }
#materials-home .hero-title { position: relative; font-family: var(--font-ja-serif); font-size: clamp(48px,5.5vw,82px); line-height: 1.3; letter-spacing: .015em; font-weight: 600; text-shadow: 0 8px 35px #080e1cb3; margin: 0 0 28px; width: 70%; text-wrap: initial; animation: heroWipe 2s cubic-bezier(.2,.7,.2,1) .25s both; }
#materials-home .hero-title .hl { color: #ff5d6a; animation: mh-emphasis-glow 6s ease-in-out infinite; }
#materials-home .hero-copy { font-size: clamp(14px, 1.3vw, 18px); line-height: 1.9; color: #d8e4f0; letter-spacing: .04em; min-height: 0; width: 55%; animation: mh-rise 1.4s .45s both; }
#materials-home .hero-cred { display: none; }
#materials-home .sys-badge { top: auto; left: 5vw; bottom: 30px; background: none; padding: 0; border: 0; border-radius: 0; backdrop-filter: none; color: #b4c8e4; font-size: 11px; letter-spacing: .08em; gap: 10px; }
#materials-home .sys-badge .dot { width: 8px; height: 8px; background: #ff5d6a; box-shadow: 0 0 14px #ff5d6a80; animation: sysPulse 3.2s ease-in-out infinite; }
#materials-home .hero:not(.is-in-view) :is(.hero-title .hl,.sys-badge .dot) { animation-play-state: paused; }
#materials-home .sys-badge .ja { color: inherit; font-size: 12px; }
#materials-home .sys-badge :is(.ver,.sep) { display: none; }
#materials-home .hero-status { position: absolute; z-index: 3; right: 5vw; bottom: 30px; margin: 0; padding: 0; background: none; border: 0; color: #aebfdb; font-size: 10px; letter-spacing: .13em; animation: none; transform: none; }
#materials-home .hero-status :is(.hs-live,.hs-cur,.hs-sep) { display: none; }
#materials-home .hero-status #docCount { color: #fff; font-weight: 700; font-size: 17px; }
#materials-home .mh-hero-cta { margin-top: 30px; display: flex; align-items: center; gap: 24px; font-size: 13px; animation: mh-rise 1.4s .6s both; }
#materials-home .mh-primary { display: inline-flex; align-items: center; gap: 38px; padding: 14px 24px; border-radius: 3px; background: #d8e4f0; color: #141d35; box-shadow: 0 8px 18px #080f2a40; transition: transform .25s, background .25s; }
#materials-home .mh-primary:hover { background: #fff; transform: translateY(-2px); }
#materials-home .mh-text-link { border-bottom: 1px solid #8ea5c6; padding: 10px 0; }
#materials-home .mh-art { position: absolute; z-index: 2; width: min(32vw,420px); aspect-ratio: 1; right: 4vw; top: auto; bottom: 15%; transform: none; perspective: 1500px; pointer-events: none; opacity: 1; animation: mh-panels-arrive 1.9s cubic-bezier(.2,.7,.2,1) .85s both; }
#materials-home .mh-art::before { content: ''; position: absolute; inset: -45% -15% -15%; border: 1px solid #9fc6f533; border-radius: 50%; transform: rotateX(62deg) rotateZ(-25deg); box-shadow: 0 0 38px #2e549614; }
#materials-home .mh-sheet { position: absolute; width: 78%; height: 29%; display: grid; grid-template-columns: 1fr; grid-template-rows: 1fr; place-items: center; border: 1px solid #9bbde56b; border-radius: 7px; padding: 3.4% 6%; color: #edf4ff; background: linear-gradient(130deg,#243b59f5,#111f35fa); box-shadow: 0 1px 0 #d5e7ff3d inset,2px 4px 0 #0b1429,16px 26px 35px #050b1a66; transform-style: preserve-3d; animation: mh-sheet-float 8s ease-in-out infinite alternate; animation-play-state: paused; }
#materials-home .is-in-view .mh-sheet { animation-play-state: running; }
/* A quiet surface reflection, staggered so the three panels never flash together. */
#materials-home .mh-sheet::after { content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; background: linear-gradient(112deg,transparent 40%,#d8e4f007 45%,#d8e4f01f 50%,#d8e4f007 55%,transparent 60%) 160% 0 / 240% 100% no-repeat; opacity: 0; animation: mh-sheet-sheen 24s linear 3s infinite; animation-play-state: paused; }
#materials-home .is-in-view .mh-sheet::after { animation-play-state: running; }
#materials-home .mh-sheet-middle::after { animation-delay: 11s; }
#materials-home .mh-sheet-front::after { animation-delay: 19s; }
#materials-home .mh-sheet-back { top: 0; left: 20%; --sheet-angle: -3deg; --sheet-tilt: 5deg; --sheet-turn: -8deg; animation-delay: -.4s; }
#materials-home .mh-sheet-middle { top: 35%; left: 11%; --sheet-angle: -1deg; --sheet-tilt: 5deg; --sheet-turn: -8deg; animation-delay: -1.5s; }
#materials-home .mh-sheet-front { top: 70%; left: 2%; --sheet-angle: 1deg; --sheet-tilt: 5deg; --sheet-turn: -8deg; background: linear-gradient(135deg,#2b4669fa,#172943fa); border-color: #aacbec8c; animation-delay: -2.6s; }
#materials-home .mh-sheet svg { display: block; width: 100%; height: 100%; min-height: 0; overflow: visible; }
#materials-home .mh-flow { animation: mh-flow-draw 8s ease-in-out infinite; }
#materials-home .mh-node { transform-box: fill-box; transform-origin: center; animation: mh-node-breathe 8s ease-in-out infinite; }
#materials-home .mh-bar { transform-box: fill-box; transform-origin: center bottom; animation: mh-bar-build 8s cubic-bezier(.2,.7,.2,1) infinite; animation-delay: calc(var(--i) * .2s); }
#materials-home .mh-step { animation: mh-step-light 8s ease-in-out infinite; animation-delay: calc(var(--i) * .5s); }
#materials-home .hero:not(.is-in-view) :is(.mh-flow,.mh-node,.mh-bar,.mh-step) { animation-play-state: paused; }
#materials-home .mh-art svg [stroke="#2e5496"] { stroke: #afcbee; }
#materials-home .mh-art svg [fill="#2e5496"], #materials-home .mh-art svg [fill="#141d35"] { fill: #afcbee; }
#materials-home .mh-art svg [fill="#d8e4f0"], #materials-home .mh-art svg [fill="#f8f7f4"] { fill: #395475; }
#materials-home .hero-links { background: #eaf0f7; border-block: 1px solid #cbd6e5; padding: 20px 5vw; }
#materials-home .hl-inner { max-width: 1200px; justify-content: space-between; }
#materials-home .hl-lead { color: #64728a; font-size: 12px; }
#materials-home .hl-btn { color: #1f3864; border: 0; border-radius: 0; background: transparent; padding: 5px 0; font-size: 12px; box-shadow: none; }
#materials-home .hl-btn:hover { transform: none; background: none; color: #2e5496; }
#materials-home .hl-btn-sub { color: #64728a; }
#materials-home .hl-btn svg { fill: currentColor; }
#materials-home :is(.sec-light,.sec-navy,.sec-download,.nl-band) { padding: 90px 5vw; overflow: clip; }
#materials-home :is(.sec-light,.sec-navy,.sec-download)::before { content: none; animation: none; }
#materials-home .mh-ambient { position: relative; isolation: isolate; --mh-ambient-glow: #2e549626; --mh-ambient-line: #2e54961c; }
/* One bounded layer per section: the long archive never becomes a giant texture. */
#materials-home .mh-ambient::before { content: ''; position: absolute; inset: auto; top: 0; right: -5vw; width: min(82vw,960px); height: min(78vh,600px); max-height: 100%; z-index: 0; pointer-events: none; background: radial-gradient(ellipse at 66% 38%,var(--mh-ambient-glow),transparent 66%),linear-gradient(137deg,transparent 49.85%,var(--mh-ambient-line) 50%,transparent 50.15%),linear-gradient(27deg,transparent 59.85%,var(--mh-ambient-line) 60%,transparent 60.15%); opacity: .6; transform: translate(-2%,-1%); animation: mh-ambient-drift 24s ease-in-out infinite alternate; animation-play-state: paused; will-change: auto; }
#materials-home .sec-navy.mh-ambient { --mh-ambient-glow: #82b8ff21; --mh-ambient-line: #d8e4f023; }
#materials-home .sec-navy.mh-ambient::before { right: auto; left: -5vw; animation-direction: alternate-reverse; }
#materials-home .mh-ambient.mh-ambient-active::before { animation-play-state: running; will-change: transform, opacity; }
#materials-home .sec-light { background: #f8f7f4; }
#materials-home .sec-navy { background: #1f3864; --azure: #d8e4f0; --muted: #c5d4e8; }
#materials-home .sec-download { background: #f8f7f4; }
#materials-home .eyebrow { padding: 0; border: none; background: none; font-size: 11px; letter-spacing: .15em; margin-bottom: 22px; color: #2e5496; }
#materials-home .sec-navy .eyebrow { color: #d8e4f0; background: none; }
#materials-home .sec-title { font-family: var(--font-ja-sans); font-size: clamp(25px,3.1vw,42px); line-height: 1.5; font-weight: 700; letter-spacing: -.025em; margin-bottom: 18px; }
#materials-home .sec-sub { max-width: 780px; font-size: 15px; line-height: 1.9; color: #64728a; }
#materials-home .sec-navy .sec-sub { color: #c5d4e8; }
#materials-home .dl-feature { background: transparent; border: 0; border-radius: 0; padding: 0; box-shadow: none; }
#materials-home .dl-feature::before { display: none; }
#materials-home .dl-badge { color: #2e5496; background: none; border: 0; padding: 0; margin-bottom: 20px; font-size: 11px; letter-spacing: .15em; }
#materials-home .dl-title { color: #141d35; font-family: var(--font-ja-sans); font-size: clamp(26px,3.2vw,44px); font-weight: 700; line-height: 1.4; }
#materials-home .dl-title span { color: #2e5496; }
#materials-home .dl-copy { color: #64728a; font-size: 15px; margin: 20px 0 35px; }
#materials-home .dl-items { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; counter-reset: download; }
#materials-home .dl-item { position: relative; display: flex; flex-direction: column; padding: 32px; border: 1px solid #cbd6e5; border-radius: 5px; background: #edf1f7; box-shadow: 0 4px 0 #dce3ed; counter-increment: download; transition: transform .25s, box-shadow .25s; }
#materials-home .dl-item:hover { transform: translateY(-4px); box-shadow: 0 8px 0 #dce3ed; }
#materials-home .dl-item::before { content: '0' counter(download) ' / FIELD NOTES'; display: block; font: 11px var(--font-en); color: #64728a; letter-spacing: .12em; margin-bottom: 44px; }
#materials-home .dl-item:first-child { grid-column: span 2; background: #1f3864; border-color: #1f3864; color: white; }
#materials-home .dl-item:first-child::before { color: #c5d7ef; }
#materials-home .dl-item h3 { font-size: 20px; font-weight: 700; line-height: 1.5; color: #1f3864; }
#materials-home .dl-item:first-child h3 { color: white; font-size: 29px; }
#materials-home .dl-item p { color: #596d89; font-size: 13px; margin: 15px 0 30px; flex: 1; }
#materials-home .dl-item:first-child p { color: #d8e4f0; max-width: 490px; }
#materials-home .dl-btn { align-self: flex-start; color: #1f3864; background: transparent; border: 0; border-top: 1px solid #1f386435; border-radius: 0; box-shadow: none; padding: 16px 0 0; width: 100%; justify-content: flex-start; font-size: 12px; }
#materials-home .dl-btn:hover { transform: none; background: transparent; }
#materials-home .dl-btn-meta { margin-left: auto; opacity: .75; color: inherit; }
#materials-home .dl-item:first-child .dl-btn { color: #d8e4f0; border-color: #d8e4f050; }
#materials-home #archive { border-top: 1px solid #cbd6e5; scroll-margin-top: 25px; }
#materials-home .mh-archive-top { display: flex; justify-content: space-between; gap: 30px; align-items: end; }
#materials-home .mh-index-mark { font: 700 clamp(45px,7vw,88px)/1 var(--font-en); letter-spacing: -.065em; color: #b3c4db; padding-bottom: 24px; white-space: nowrap; }
#materials-home .mh-index-mark span { font-size: 15px; letter-spacing: 0; }
#materials-home .arc-lock { padding: 18px 22px; background: #eaf0f7; border: 0; border-left: 3px solid #2e5496; border-radius: 2px; margin-bottom: 24px; }
#materials-home .arc-lock-t { color: #1f3864; }
#materials-home .arc-lock-d { color: #64728a; }
#materials-home .arc-lock-a a { color: #2e5496; }
#materials-home .sec-navy .arc-lock { background: #ffffff0c; border-left-color: #d8e4f0; }
#materials-home .sec-navy .arc-lock :is(p,a) { color: #d8e4f0; }
#materials-home #archive .cards { display: block; }
#materials-home #archive .card { display: grid; grid-template-columns: 220px minmax(0,1fr); column-gap: 45px; border: 0; border-top: 1px solid #c4cedd; border-radius: 0; padding: 35px 0; background: none; box-shadow: none; transform: none; }
#materials-home #archive .card-tag { position: static; grid-column: 1; grid-row: 1; color: #2e5496; background: none; padding: 0; font: 12px var(--font-en); margin: 0 0 12px; }
#materials-home #archive .card h3 { grid-column: 1; grid-row: 2; font-size: 22px; margin: 0 0 12px; line-height: 1.45; }
#materials-home #archive .card > p { grid-column: 1; grid-row: 3; font-size: 12px; line-height: 1.9; color: #64728a; }
#materials-home #archive .card > .doc-list { grid-column: 2; grid-row: 1 / 5; margin: 0; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); column-gap: 28px; align-content: start; }
#materials-home #archive .doc-list li { margin: 0; border-bottom: 1px solid #1f386415; }
#materials-home #archive .doc-list a { font-size: 13px; line-height: 1.7; color: #30466a; padding: 13px 20px 13px 0; min-height: 62px; height: 100%; transition: color .2s, background .2s; }
#materials-home #archive .doc-list a:hover { color: #2e5496; background: #eaf0f7; transform: none; }
#materials-home .cards { gap: 24px; }
#materials-home .card { border: 1px solid #c4cedd; box-shadow: none; border-radius: 4px; background: #fdfcf9; padding: 30px; }
#materials-home .card:hover { transform: none; box-shadow: none; }
#materials-home .card::before { display: none; }
#materials-home #archive .card h3 { padding-right: 0; font-family: var(--font-ja-sans); }
#materials-home #archive .card { grid-template-rows: min-content min-content min-content 1fr; align-items: start; }
#materials-home #archive .card-tag { -webkit-text-stroke: 0; }
#materials-home #archive .doc-list a { background: none; border-left: 0; border-radius: 0; }
#materials-home .sec-navy .card { background: #ffffff08; border-color: #ffffff26; }
#materials-home .nl-band { background: #e5ecf5; border-block: 1px solid #c5d2e4; }
#materials-home .nl-inner { max-width: 1200px; }
#materials-home .nl-band :is(h2,.nl-title) { color: #1f3864; }
#materials-home .nl-band :is(p,.nl-kicker,.nl-copy,.nl-note) { color: #49617f; }
#materials-home .nl-form button { background: #1f3864; color: white; }
#materials-home .nl-form button:hover:not(:disabled) { background: #2e5496; color: white; }
#materials-home .nl-form input[type=email] { background: #f8fafd; border-color: #afbdd3; color: #1f3864; }
#materials-home .nl-form input[type=email]::placeholder { color: #64728a; }
#materials-home .nl-fine a { color: #2e5496; }
#materials-home .nl-msg.on { color: #1f3864; background: #eff4fa; border-left-color: #e23744; }
#materials-home .nl-msg.ng { color: #8b2934; background: #f9e7e7; border-left-color: #ac4050; }
#materials-home .pro-photo { border-radius: 4px; }
#materials-home .pro-nums span b { color: #d8e4f0; }
#materials-home .aicx-hero { background: #ffffff06; border-color: #ffffff25; box-shadow: none; }
#materials-home .stat-num { color: #2e5496; }
#materials-home :is(.lead-btn,.profile-link) { border-radius: 3px; box-shadow: none; }
#materials-home footer { background: #141d35; color: #bfcee4; border-top: 1px solid #ffffff20; padding: 25px 5vw; font-size: 12px; }
/* Local, bounded atmospheric layers. Typography and layout stay still. */
#materials-home .mh-air-surface { position: relative; isolation: isolate; --air-color: 46,84,150; --air-alpha: .45; --air-glow: .065; }
#materials-home :is(.hero,.sec-navy,footer).mh-air-surface { --air-color: 159,198,245; --air-alpha: .72; --air-glow: .085; }
#materials-home .mh-air { position: absolute; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; user-select: none; }
#materials-home .hero > .mh-air { z-index: 2; }
#materials-home .mh-air-tile { position: absolute; left: 0; width: 100%; height: 720px; overflow: hidden; contain: layout paint; }
#materials-home .mh-air-tile::before { content: ''; position: absolute; width: min(70vw,580px); height: 440px; right: -8%; top: 12%; border-radius: 50%; background: radial-gradient(ellipse,rgba(var(--air-color),var(--air-glow)),transparent 70%); animation: mh-air-bloom 23s ease-in-out infinite alternate; animation-delay: var(--air-phase); animation-play-state: paused; }
#materials-home .mh-air-tile:nth-child(even)::before { left: -10%; right: auto; animation-direction: alternate-reverse; }
#materials-home .mh-air-mote { position: absolute; display: block; width: 3px; height: 3px; border-radius: 50%; background: rgb(var(--air-color)); box-shadow: 0 0 10px 2px rgba(var(--air-color),.16); opacity: .25; animation: mh-air-float calc(14s + var(--i)*1.2s) ease-in-out infinite alternate; animation-delay: calc(var(--air-phase) - var(--i)*2.3s); animation-play-state: paused; }
#materials-home .mh-air-mote:nth-child(3n) { width: 2px; height: 2px; }
#materials-home .mh-air-mote:nth-child(3n + 1) { width: 4px; height: 4px; }
#materials-home .mh-air-ray { position: absolute; display: block; width: clamp(180px,32vw,460px); height: 1px; left: 12%; top: 25%; background: linear-gradient(90deg,transparent,rgba(var(--air-color),.4),transparent); box-shadow: 0 0 18px rgba(var(--air-color),.13); transform: rotate(-32deg); opacity: .25; animation: mh-air-traverse calc(17s + var(--i)*6s) ease-in-out infinite alternate; animation-delay: calc(var(--air-phase) - var(--i)*8s); animation-play-state: paused; }
#materials-home .mh-air-ray:last-child { left: 69%; top: 75%; }
#materials-home .mh-air-tile.is-active::before,#materials-home .mh-air-tile.is-active > i { animation-play-state: running; }
#materials-home .mh-air-compact .mh-air-tile::before { top: -180px; }
#materials-home .mh-air-compact .mh-air-mote:nth-child(even),#materials-home .mh-air-compact .mh-air-ray:last-child { display: none; }
@keyframes mh-air-float { from { transform: translate3d(-12px,24px,0); opacity: .18; } to { transform: translate3d(25px,-36px,0); opacity: var(--air-alpha); } }
@keyframes mh-air-traverse { from { transform: translate3d(-55px,55px,0) rotate(-32deg); opacity: .16; } to { transform: translate3d(90px,-56px,0) rotate(-32deg); opacity: .65; } }
@keyframes mh-air-bloom { from { transform: translate3d(-35px,25px,0) scale(.9); opacity: .6; } to { transform: translate3d(30px,-35px,0) scale(1.12); opacity: 1; } }
@media (max-width:700px) { #materials-home .mh-air-mote:nth-child(even),#materials-home .mh-air-ray:last-child { display: none; } }
@media print {
  #materials-home .mh-air,#materials-home .mh-ambient::before { display: none !important; }
  #materials-home *,#materials-home *::before,#materials-home *::after { animation: none !important; transition: none !important; }
  #materials-home [data-reveal] { opacity: 1 !important; transform: none !important; }
}
@keyframes mh-opening-scan { 0% { opacity: 0; transform: translateX(-70%); } 22% { opacity: 1; } 100% { opacity: 0; transform: translateX(60%); } }
@keyframes mh-ambient-drift { from { transform: translate(-2%,-1%); opacity: .45; } to { transform: translate(2%,3%); opacity: .85; } }
@keyframes mh-photo-arrive { from { filter: grayscale(1) contrast(1.12) blur(14px); clip-path: inset(0 0 0 45%); } to { filter: grayscale(1) contrast(1.12) blur(0); clip-path: inset(0); } }
@keyframes mh-panels-arrive { from { opacity: 0; transform: translate3d(36px,18px,0) rotateY(-12deg); } to { opacity: 1; transform: none; } }
@keyframes mh-flow-draw { 0%,8% { stroke-dasharray: 1; stroke-dashoffset: 1; opacity: .35; } 32%,88% { stroke-dasharray: 1; stroke-dashoffset: 0; opacity: 1; } 100% { stroke-dasharray: 1; stroke-dashoffset: 0; opacity: .35; } }
@keyframes mh-node-breathe { 0%,20%,80%,100% { transform: scale(1); opacity: .75; } 38%,55% { transform: scale(1.2); opacity: 1; } }
@keyframes mh-bar-build { 0%,8% { transform: scaleY(.2); opacity: .4; } 32%,88% { transform: scaleY(1); opacity: 1; } 100% { transform: scaleY(1); opacity: .4; } }
@keyframes mh-step-light { 0%,12%,75%,100% { stroke: #afcbee; } 30%,48% { stroke: #fff; filter: drop-shadow(0 0 8px #add3ff); } }
@keyframes mh-rise { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes mh-portrait-drift { from { transform: scale(1) translate3d(0,0,0); } to { transform: scale(1.045) translate3d(-.5%,.4%,0); } }
@keyframes mh-grid-drift { from { transform: translate3d(-1.5%,-1%,0) scale(1.04); } to { transform: translate3d(1.5%,1%,0) scale(1.08); } }
@keyframes mh-glow-drift { from { transform: translate3d(-4%,0,0) scale(.94); opacity: .65; } to { transform: translate3d(3%,7%,0) scale(1.08); opacity: 1; } }
@keyframes mh-light-pass { 0%,12% { top: 12%; opacity: 0; } 24% { opacity: .22; } 58% { top: 88%; opacity: 0; } 100% { top: 88%; opacity: 0; } }
@keyframes mh-emphasis-glow { 0%,100% { text-shadow: 0 0 0 transparent; } 50% { text-shadow: 0 0 28px #ff5d6a26; } }
@keyframes mh-sheet-float { from { transform: translateY(0) rotateX(var(--sheet-tilt)) rotateY(var(--sheet-turn)) rotateZ(var(--sheet-angle)); } to { transform: translateY(-12px) rotateX(var(--sheet-tilt)) rotateY(var(--sheet-turn)) rotateZ(var(--sheet-angle)); } }
@keyframes mh-sheet-sheen { 0% { background-position: 160% 0; opacity: 0; } 5%,15% { opacity: .65; } 20%,100% { background-position: -60% 0; opacity: 0; } }
@media (min-width:1600px) { #materials-home .mh-art { right: calc((100vw - 1280px)/2 - 20px); } #materials-home .hero-title { font-size: 82px; } }
@media (max-width:960px) {
  #materials-home .hero-title { font-size: 6.2vw; width: 70%; }
  #materials-home .mh-art { right: 2vw; width: 31vw; bottom: 16%; }
  #materials-home .mh-sheet { padding: 3.4% 6%; }
  #materials-home .hero { min-height: max(690px,100svh); }
  #materials-home .dl-items { grid-template-columns: repeat(2,minmax(0,1fr)); }
  #materials-home .dl-item:first-child { grid-column: auto; }
  #materials-home .dl-item:first-child h3 { font-size: 22px; }
  #materials-home #archive .card { grid-template-columns: 170px minmax(0,1fr); gap: 0 30px; }
  #materials-home #archive .card > .doc-list { grid-template-columns: 1fr; }
}
@media (max-width:640px) {
  #materials-home .mh-header { height: 70px; }
  #materials-home .mh-brand { font-size: 17px; gap: 6px; }
  #materials-home .mh-brand span { font-size: 10px; padding-left: 8px; }
  #materials-home .mh-nav { gap: 16px; font-size: 11px; }
  #materials-home .mh-nav a:last-child { display: none; }
  #materials-home .hero { min-height: max(700px,100svh); padding: 112px 6vw 125px; justify-content: center; }
  #materials-home .hero::before { width: 120vw; height: 120vw; right: -40%; top: 15%; }
  #materials-home .hero-photo { width: 100%; right: -27%; top: 8%; background-position: center 22%; opacity: .25; }
  #materials-home .hero-photo::after { background: linear-gradient(0deg,#0a0f1c,transparent 55%),linear-gradient(90deg,#141d35aa,transparent 80%); }
  #materials-home .hero-title { width: 100%; font-size: clamp(39px,9.6vw,61px); line-height: 1.28; margin-bottom: 20px; }
  #materials-home .hero .eyebrow { font-size: 10px; margin-bottom: 24px; }
  #materials-home .hero-copy { font-size: 13px; width: 100%; }
  #materials-home .mh-hero-cta { margin-top: 22px; gap: 18px; font-size: 12px; }
  #materials-home .mh-primary { padding: 12px 18px; gap: 24px; }
  #materials-home .hero-status { left: 6vw; right: auto; bottom: 62px; font-size: 9px; }
  #materials-home .mh-art { display: none; }
  #materials-home .mh-art::after { font-size: 8px; }
  #materials-home .sys-badge { bottom: 20px; left: 6vw; }
  #materials-home .hero-links { padding: 20px 6vw; }
  #materials-home .hl-inner { align-items: flex-start; gap: 15px; }
  #materials-home .hl-btns { flex-wrap: wrap; justify-content: flex-start; }
  #materials-home :is(.sec-light,.sec-navy,.sec-download,.nl-band) { padding: 60px 6vw; }
  #materials-home .dl-items { grid-template-columns: 1fr; }
  #materials-home .dl-item { padding: 26px; }
  #materials-home .dl-item::before { margin-bottom: 28px; }
  #materials-home .mh-index-mark { display: none; }
  #materials-home #archive .card { display: block; padding: 28px 0; }
  #materials-home #archive .card-tag { display: block; }
  #materials-home #archive .card > p { margin-bottom: 20px; }
  #materials-home #archive .doc-list a { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  #materials-home *, #materials-home *::before, #materials-home *::after { animation: none !important; transition: none !important; }
  #materials-home .mh-sheet { transform: rotateX(var(--sheet-tilt)) rotateY(var(--sheet-turn)) rotateZ(var(--sheet-angle)); }
  #materials-home :is(.texture,.hero-sweep) { display: none; }
}