@charset "UTF-8";

:root {
  color-scheme: light;
  --navy: #142c4a;
  --blue: #253a78;
  --blue-mid: #1e4f86;
  --blue-light: #2a8bd6;
  --cyan: #1fb5b3;
  --cyan-bright: #2ec4c7;
  --paper: #f2f2f2;
  --white: #fff;
  --ink-soft: #526274;
  --line: #d9e0e7;
  --page-pad: clamp(1.25rem, 7.4vw, 7.5rem);
  --font: "Barlow Condensed", "Arial Narrow", "Roboto Condensed", system-ui, sans-serif;
  --body: "Inter", "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 6rem; }
body { margin: 0; color: var(--navy); background: var(--white); font-family: var(--body); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
.visually-hidden { 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: 20; top: .75rem; left: .75rem; padding: .75rem 1rem; color: var(--white); background: var(--navy); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.site-header { height: 88px; padding: 0 var(--page-pad); display: flex; align-items: center; justify-content: space-between; gap: 2rem; background: var(--white); position: relative; z-index: 10; }
.brand { display: block; width: 174px; line-height: 0; }
.brand img { display: block; width: 100%; height: auto; }
.main-nav { display: flex; align-items: center; gap: clamp(1.3rem, 3.1vw, 3.25rem); }
.main-nav a { text-decoration: none; color: var(--navy); font-size: .77rem; font-weight: 650; letter-spacing: .025em; transition: color .2s ease; }
.main-nav a:hover { color: var(--blue-light); }
.main-nav .nav-contact { padding: .78rem 1rem; border: 1px solid #cad4df; }
.nav-contact span { margin-left: .4rem; color: var(--cyan); }
.menu-toggle { display: none; }

.hero { min-height: 635px; padding: 7.7rem var(--page-pad) 5.6rem; position: relative; overflow: hidden; background: linear-gradient(118deg, #f5f8fa 0%, #fff 62%, #eef8f8 100%); display: flex; align-items: center; }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .36; background-image: linear-gradient(rgba(20,44,74,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(20,44,74,.045) 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(90deg, transparent 20%, #000 95%); }
.hero-copy { max-width: 760px; position: relative; z-index: 2; }
.eyebrow { display: flex; align-items: center; gap: .65rem; margin: 0 0 1.5rem; color: var(--blue-mid); font-size: .72rem; font-weight: 750; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow-mark { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 5px rgba(31,181,179,.14); }
.eyebrow-divider { color: #aab7c4; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--font); font-weight: 650; }
.hero h1 { max-width: 780px; margin-bottom: 1.35rem; font-size: clamp(3.15rem, 6.2vw, 6.25rem); line-height: .99; letter-spacing: -.055em; }
.hero h1 span { color: var(--blue-light); }
.hero-lead { max-width: 530px; margin-bottom: 2rem; color: var(--ink-soft); font-size: clamp(1rem, 1.4vw, 1.16rem); line-height: 1.72; }
.event-signature { margin: 1.5rem 0 0; color: #68798a; font-size: .62rem; line-height: 1.7; letter-spacing: .045em; text-transform: uppercase; }
.event-signature span { color: var(--blue-mid); font-weight: 750; letter-spacing: .13em; }
.event-signature i { color: var(--cyan); font-style: normal; padding: 0 .15rem; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 1.6rem; padding: .85rem 1.15rem; text-decoration: none; font-size: .84rem; font-weight: 700; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--blue-mid); }
.button-primary:hover { background: var(--navy); }
.button-primary span { color: var(--cyan-bright); font-size: 1.1rem; }
.hero-art { position: absolute; width: min(44vw, 600px); aspect-ratio: 1; top: 50%; right: 5%; transform: translateY(-48%); }
.orbit { position: absolute; border: 1px solid rgba(42,139,214,.24); border-radius: 50%; inset: 7%; }
.orbit-two { inset: 19%; border-color: rgba(31,181,179,.38); }
.orbit-three { inset: 31%; border-color: rgba(20,44,74,.2); }
.orbit::before, .orbit::after { content: ""; position: absolute; width: 12px; height: 12px; border: 3px solid var(--white); border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 1px rgba(31,181,179,.38); }
.orbit-one::before { left: 22%; top: 8%; }.orbit-one::after { right: 12%; bottom: 26%; background: var(--blue-light); }
.orbit-two::before { right: 6%; top: 39%; width: 8px; height: 8px; }.orbit-two::after { left: 15%; bottom: 15%; background: var(--blue); }
.orbit-core { position: absolute; inset: 40%; display: grid; place-items: center; border-radius: 50%; background: radial-gradient(circle, #fff 0 30%, #dcf5f3 31% 100%); box-shadow: 0 12px 44px rgba(20,44,74,.11); }
.orbit-core span { width: 24%; height: 24%; border-radius: 50%; background: linear-gradient(135deg, var(--blue-light), var(--cyan)); box-shadow: 0 0 0 10px rgba(31,181,179,.11); }
.art-label { position: absolute; padding: .58rem .75rem; color: var(--blue-mid); background: rgba(255,255,255,.9); border: 1px solid rgba(20,44,74,.08); font-size: .6rem; font-weight: 750; letter-spacing: .13em; box-shadow: 0 5px 20px rgba(20,44,74,.05); }
.art-label i { display: inline-block; width: 4px; height: 4px; margin: 0 .4rem .12rem; border-radius: 50%; background: var(--cyan); }
.art-label-top { top: 15%; right: 5%; }.art-label-bottom { bottom: 16%; left: 8%; }
.hero-scroll { position: absolute; left: var(--page-pad); bottom: 1.8rem; display: flex; align-items: center; gap: .75rem; text-decoration: none; color: var(--ink-soft); font-size: .68rem; }
.scroll-line { width: 32px; height: 1px; background: var(--cyan); }

.section { padding: 6.7rem var(--page-pad); }
.section-kicker { display: flex; align-items: center; gap: .85rem; margin-bottom: 3rem; color: var(--blue-mid); font-size: .68rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.section-kicker > span:first-child { color: var(--cyan); }
.kicker-line { width: 34px; height: 1px; background: #9eafbd; }
.intro-grid { display: grid; grid-template-columns: 1.1fr .8fr; align-items: end; gap: clamp(2rem, 8vw, 9rem); }
.intro-grid h2, .cap-heading h2, .method-heading h2, .contact-content h2 { margin-bottom: 0; font-size: clamp(2.8rem, 5.2vw, 5rem); line-height: .99; letter-spacing: -.045em; }
h2 em { color: var(--blue-light); font-style: normal; }
.intro-text { max-width: 490px; padding-bottom: .25rem; color: var(--ink-soft); font-size: .98rem; line-height: 1.8; }
.intro-text p:last-child { margin-bottom: 0; }
.principle-row { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 5.5rem; border-top: 1px solid var(--line); }
.principle-row > div { min-height: 116px; padding: 1.45rem 1.5rem 1.3rem 0; display: grid; grid-template-columns: 2.6rem 1fr; align-content: center; column-gap: .5rem; border-bottom: 1px solid var(--line); }
.principle-number { grid-row: span 2; color: var(--cyan); font-size: .67rem; font-weight: 750; letter-spacing: .08em; }
.principle-row strong { font-family: var(--font); font-size: 1.38rem; font-weight: 650; }
.principle-row div > span:last-child { color: #758392; font-size: .77rem; }

.capabilities-section { color: var(--white); background: var(--navy); position: relative; overflow: hidden; }
.capabilities-section::after { content: ""; position: absolute; width: 45vw; height: 45vw; right: -18vw; top: 20%; border: 1px solid rgba(46,196,199,.13); border-radius: 50%; box-shadow: 0 0 0 70px rgba(46,196,199,.025), 0 0 0 140px rgba(46,196,199,.02); pointer-events: none; }
.section-kicker-light { color: #d4e0eb; }
.section-kicker-light .kicker-line { background: rgba(255,255,255,.35); }
.cap-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 3rem; position: relative; z-index: 1; }
.cap-heading h2 { max-width: 700px; }.cap-heading h2 em { color: var(--cyan-bright); }
.cap-heading > p { max-width: 290px; margin-bottom: .4rem; color: #c1ced9; font-size: .92rem; line-height: 1.7; }
.capabilities-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.16); position: relative; z-index: 1; }
.capability-card { min-height: 310px; padding: 1.65rem; position: relative; background: var(--navy); transition: background .2s ease; }
.capability-card:hover { background: #193759; }
.card-index { color: #99acbd; font-size: .61rem; font-weight: 750; letter-spacing: .13em; }
.card-symbol { height: 72px; width: 78px; margin: 1.65rem 0 1.25rem; position: relative; }
.symbol-links i { position: absolute; width: 26px; height: 26px; border: 1.5px solid var(--cyan-bright); border-radius: 50%; }
.symbol-links i:nth-child(1) { left: 1px; top: 23px; }.symbol-links i:nth-child(2) { left: 27px; top: 4px; border-color: var(--blue-light); }.symbol-links i:nth-child(3) { right: 1px; top: 23px; }
.symbol-links::before, .symbol-links::after { content: ""; position: absolute; height: 1px; width: 24px; top: 35px; background: rgba(46,196,199,.75); }.symbol-links::before { left: 17px; transform: rotate(-35deg); }.symbol-links::after { right: 17px; transform: rotate(35deg); }
.symbol-machine { border: 1px solid rgba(46,196,199,.7); width: 70px; height: 52px; margin-top: 2.25rem; }
.symbol-machine i { position: absolute; left: 8px; top: 8px; width: 6px; height: 6px; background: var(--cyan-bright); border-radius: 50%; }.symbol-machine i:nth-child(2) { left: 20px; }.symbol-machine i:nth-child(3) { left: 32px; }.symbol-machine b { position: absolute; left: 8px; bottom: 8px; width: 50px; height: 17px; border-left: 1px solid var(--blue-light); border-bottom: 1px solid var(--blue-light); transform: skew(-25deg); }
.symbol-software { width: 68px; height: 50px; margin-top: 2.25rem; border: 1px solid rgba(46,196,199,.7); }.symbol-software i { display: block; height: 1px; width: 46px; margin: 9px 10px; background: var(--blue-light); }.symbol-software i:first-child { width: 22px; background: var(--cyan-bright); }
.capability-card h3 { margin-bottom: .6rem; font-size: 1.65rem; letter-spacing: -.02em; }.capability-card p { max-width: 330px; margin-bottom: 0; color: #c1ced9; font-size: .86rem; line-height: 1.65; }
.card-arrow { position: absolute; right: 1.5rem; bottom: 1.4rem; color: var(--cyan-bright); font-size: 1.15rem; }
.capability-note { display: flex; align-items: center; gap: .65rem; margin: 1.5rem 0 0; position: relative; z-index: 1; color: #d1dce6; font-size: .74rem; line-height: 1.6; }

.energy-section { background: #f3f7f9; }
.energy-intro, .materials-intro { display: grid; grid-template-columns: 1fr .65fr; align-items: end; gap: clamp(2rem, 7vw, 7rem); }
.energy-intro h2, .materials-intro h2 { margin: 0 0 1.4rem; font-size: clamp(2.8rem, 5.2vw, 5rem); line-height: .99; letter-spacing: -.045em; }
.energy-intro > div > p, .materials-intro > div > p { max-width: 700px; color: var(--ink-soft); font-size: .98rem; line-height: 1.8; }
.energy-qualification { max-width: 410px; margin: 0 0 .25rem; padding: 1rem 1.15rem; border-left: 2px solid var(--cyan); color: var(--blue-mid); background: rgba(255,255,255,.72); font-size: .82rem; line-height: 1.65; }
.energy-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; margin-top: 3.5rem; border: 1px solid var(--line); background: var(--line); }
.energy-card { min-height: 240px; padding: 1.7rem; background: var(--white); }
.energy-index { color: var(--blue-mid); font-size: .61rem; font-weight: 750; letter-spacing: .13em; }
.energy-card h3 { margin: 2rem 0 .75rem; font-size: 1.6rem; line-height: 1.1; }
.energy-card p { max-width: 390px; margin: 0; color: var(--ink-soft); font-size: .83rem; line-height: 1.7; }
.energy-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 1rem; margin-top: 2.4rem; padding: 1.15rem 1.4rem; color: var(--white); background: var(--navy); }
.energy-flow > div { display: grid; gap: .35rem; }
.energy-flow span { color: var(--cyan-bright); font-size: .57rem; font-weight: 750; letter-spacing: .12em; }
.energy-flow strong { font-family: var(--font); font-size: 1.08rem; font-weight: 600; }
.energy-flow > i { color: var(--cyan-bright); font-size: 1.25rem; font-style: normal; }
.energy-note, .materials-note { display: flex; align-items: flex-start; gap: .7rem; margin: 1.3rem 0 0; color: var(--ink-soft); font-size: .72rem; line-height: 1.6; }
.energy-note .note-dot, .materials-note .note-dot { margin-top: .25rem; }
.energy-dashboard { margin: 2.3rem 0 0; padding: 1.5rem; border: 1px solid #d5e0e7; background: var(--white); box-shadow: 0 16px 36px rgba(20,44,74,.06); }
.dashboard-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.dashboard-heading h3 { margin: .45rem 0 0; font-size: 1.6rem; }
.sample-badge { padding: .48rem .65rem; color: #7a411d; border: 1px solid #edc4a7; background: #fff6ed; font-size: .57rem; font-weight: 800; letter-spacing: .09em; }
.metric-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: .7rem; margin-top: 1.2rem; }
.metric-card { min-height: 95px; padding: .8rem 1rem; display: grid; gap: .12rem; border: 1px solid #e0e7ed; background: #fbfcfd; }
.metric-card > span { color: var(--ink-soft); font-size: .67rem; }
.metric-card strong { color: var(--navy); font-family: var(--font); font-size: 1.65rem; line-height: 1.1; }
.metric-card strong small { font-family: var(--body); font-size: .68rem; font-weight: 600; }
.metric-card em { color: #9a5b31; font-size: .58rem; font-style: normal; }
.chart-panel { margin-top: .8rem; padding: .9rem 1rem .7rem; border: 1px solid #e0e7ed; }
.chart-title { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; color: var(--navy); }
.chart-title strong { font-size: .76rem; }.chart-title span { color: var(--ink-soft); font-size: .61rem; }
.energy-chart { display: block; width: 100%; height: auto; margin-top: .45rem; overflow: visible; }
.chart-grid path { fill: none; stroke: #e5ebf0; stroke-width: 1; }
.chart-line { fill: none; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.chart-production { stroke: #258bd3; }.chart-consumption { stroke: #1fb5b3; stroke-dasharray: 7 5; }
.chart-labels { fill: #778696; font: 11px Arial,sans-serif; text-anchor: middle; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 1.2rem; color: var(--ink-soft); font-size: .63rem; }
.chart-legend span { display: inline-flex; align-items: center; gap: .4rem; }
.chart-legend i { width: 14px; height: 3px; background: #258bd3; }.chart-legend .legend-consumption { background: #1fb5b3; }
.energy-dashboard figcaption { margin-top: .8rem; color: #87522f; font-size: .65rem; line-height: 1.5; }

.materials-section { background: var(--white); }
.materials-intro { margin-bottom: 2rem; }
.materials-intro > div > p { margin-bottom: 0; }
.materials-status { justify-self: end; margin-bottom: .3rem; padding: .6rem .8rem; color: var(--blue-mid); background: #edf7f7; }
.materials-group { margin-top: 2rem; }
.materials-group > h3 { margin-bottom: 1rem; font-size: 1.4rem; }
.materials-list { display: grid; grid-template-columns: repeat(3,1fr); gap: .8rem; }
.material-card { min-height: 108px; padding: 1rem; display: grid; grid-template-columns: 50px 1fr 16px; align-items: center; gap: .9rem; border: 1px solid var(--line); text-decoration: none; background: #fbfcfd; transition: border-color .2s ease, transform .2s ease; }
.material-card:hover { border-color: var(--cyan); transform: translateY(-2px); }
.material-format { min-height: 45px; display: grid; align-content: center; justify-items: center; border: 1px solid #9dc7ca; color: var(--blue-mid); font-size: .65rem; font-weight: 750; }
.material-format small { margin-top: .1rem; font-size: .48rem; }
.material-card > span:nth-child(2) { display: grid; gap: .3rem; }
.material-card strong { font-size: .78rem; }
.material-card > span:nth-child(2) small { color: var(--ink-soft); font-size: .68rem; line-height: 1.45; }
.material-arrow { color: var(--cyan); }
.materials-alternates { margin-top: 1.3rem; padding: 1rem 1.1rem; border: 1px solid var(--line); }
.materials-alternates summary { color: var(--blue-mid); cursor: pointer; font-size: .82rem; font-weight: 700; }
.materials-alternates > p { max-width: 760px; margin: .85rem 0 1rem; color: var(--ink-soft); font-size: .76rem; line-height: 1.6; }
.materials-alternates .materials-list { grid-template-columns: repeat(2,1fr); }
.materials-access { min-height: 90px; padding: 1rem 1.2rem; display: grid; grid-template-columns: 44px 1fr auto; align-items: center; gap: 1rem; border: 1px solid var(--line); color: var(--navy); text-decoration: none; background: #f6f9fb; transition: border-color .2s ease, background .2s ease; }
.materials-access:hover { border-color: var(--cyan); background: #eef8f8; }
.access-icon { width: 40px; height: 40px; display: grid; place-items: center; color: var(--white); background: var(--blue-mid); font-size: 1.2rem; }
.materials-access > span:nth-child(2) { display: grid; gap: .32rem; }
.materials-access strong { font-family: var(--font); font-size: 1.2rem; }
.materials-access small { color: var(--ink-soft); font-size: .72rem; line-height: 1.5; }
.materials-access code { font-size: .69rem; }
.access-lock { color: var(--blue-mid); font-size: 1.25rem; }
.materials-preview-note { margin: .8rem 0 0; color: #87522f; font-size: .72rem; line-height: 1.6; }

.method-section { background: #f6f8fa; }
.method-layout { display: grid; grid-template-columns: .95fr 1fr; gap: clamp(3rem, 9vw, 10rem); }
.method-heading h2 em { color: var(--blue-light); }.method-heading > p { max-width: 375px; margin-top: 1.4rem; color: var(--ink-soft); font-size: .96rem; line-height: 1.7; }
.steps { list-style: none; padding: 0; margin: 0; }
.steps li { display: grid; grid-template-columns: 3.25rem 1fr; gap: 1rem; padding: 1.3rem 0 1.5rem; border-top: 1px solid #d3dce4; }
.steps li:last-child { border-bottom: 1px solid #d3dce4; }
.step-index { padding-top: .2rem; color: var(--cyan); font-size: .68rem; font-weight: 750; letter-spacing: .08em; }
.steps h3 { margin: 0 0 .35rem; font-size: 1.45rem; }.steps p { max-width: 390px; margin: 0; color: var(--ink-soft); font-size: .84rem; line-height: 1.65; }
.method-note { display: flex; align-items: center; gap: .65rem; margin-top: 2rem; color: var(--blue-mid); font-size: .76rem; font-weight: 650; }
.note-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }

.contact-section { min-height: 590px; padding: 5rem var(--page-pad) 0; position: relative; overflow: hidden; color: var(--white); background: linear-gradient(120deg, #142c4a 0%, #1d4772 100%); }
.contact-content { position: relative; z-index: 2; max-width: 750px; padding-bottom: 5rem; }
.contact-eyebrow { margin-bottom: 1.2rem; color: var(--cyan-bright); }
.contact-content h2 { font-size: clamp(3.2rem, 6vw, 5.6rem); }.contact-content h2 em { color: var(--cyan-bright); }
.contact-copy { max-width: 460px; margin: 1.2rem 0 1.8rem; color: #d1dce6; font-size: .94rem; line-height: 1.7; }
.document-area { max-width: 610px; margin: 1.8rem 0; padding: 1rem; border: 1px solid rgba(255,255,255,.23); background: rgba(8,25,43,.18); }
.document-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: .75rem; }
.document-heading h3 { margin: 0; font-size: 1.2rem; }
.document-status { padding: .35rem .5rem; color: var(--cyan-bright); border: 1px solid rgba(46,196,199,.45); font-size: .54rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
.document-list { display: grid; gap: .55rem; }
.document-link { min-height: 68px; padding: .65rem .75rem; display: flex; align-items: center; gap: .8rem; color: var(--white); border: 1px solid rgba(255,255,255,.2); text-decoration: none; background: rgba(255,255,255,.035); transition: background .2s ease, border-color .2s ease; }
.document-link:hover { background: rgba(255,255,255,.1); border-color: rgba(46,196,199,.7); }
.document-type { min-width: 42px; height: 42px; display: grid; place-content: center; border: 1px solid rgba(46,196,199,.65); color: var(--cyan-bright); font-size: .54rem; font-weight: 750; line-height: 1.25; text-align: center; }
.document-copy { display: grid; gap: .22rem; }.document-copy strong { font-size: .77rem; }.document-copy small { color: #c6d3df; font-size: .65rem; line-height: 1.45; }
.document-arrow { margin-left: auto; color: var(--cyan-bright); }
.document-note { margin: .75rem 0 0; color: #d1dce6; font-size: .63rem; line-height: 1.55; }
.button-light { color: var(--navy); background: var(--white); }.button-light span { color: var(--blue-light); font-size: 1.05rem; }.button-light:hover { background: #e8f7f7; }
.contact-decoration { position: absolute; width: 620px; height: 620px; top: -6%; right: -3%; border: 1px solid rgba(46,196,199,.22); border-radius: 50%; }
.contact-decoration::before, .contact-decoration::after { content: ""; position: absolute; inset: 11%; border: 1px solid rgba(46,196,199,.2); border-radius: 50%; }.contact-decoration::after { inset: 23%; border-color: rgba(255,255,255,.14); }
.contact-decoration span { position: absolute; width: 11px; height: 11px; border: 3px solid #204b73; border-radius: 50%; background: var(--cyan-bright); }.contact-decoration span:nth-child(1) { top: 14%; left: 17%; }.contact-decoration span:nth-child(2) { top: 51%; right: 7%; width: 8px; height: 8px; }.contact-decoration span:nth-child(3) { bottom: 15%; left: 27%; background: var(--blue-light); }
.site-footer { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-top: 1px solid rgba(255,255,255,.24); color: #c8d4df; font-size: .7rem; position: relative; z-index: 2; }.site-footer a { text-decoration: none; }.site-footer a:hover { color: var(--cyan-bright); }
.footer-links { display: flex; align-items: center; gap: 1.3rem; }

.materials-page { min-height: 100vh; background: #f3f7f9; }
.materials-page-header { min-height: 78px; padding: .8rem var(--page-pad); display: flex; align-items: center; justify-content: space-between; gap: 1rem; background: var(--white); border-bottom: 1px solid var(--line); }
.materials-page-header img { display: block; width: 150px; height: auto; }
.materials-page-header a:last-child { color: var(--blue-mid); font-size: .76rem; font-weight: 650; text-decoration: none; }
.materials-page-main { max-width: 1050px; margin: 0 auto; padding: 4rem 2rem 5rem; }
.materials-page-main .section-kicker { margin-bottom: 1.6rem; }
.materials-page-main h1 { margin: 0 0 1rem; color: var(--navy); font-size: clamp(3.4rem,8vw,6.2rem); line-height: .95; letter-spacing: -.05em; }
.materials-page-main h1 em { color: var(--blue-light); font-style: normal; }
.materials-page-lead { max-width: 650px; color: var(--ink-soft); font-size: 1rem; line-height: 1.7; }
.materials-page-status { display: inline-block; padding: .55rem .7rem; color: #87522f; background: #fff6ed; border: 1px solid #edc4a7; font-size: .61rem; font-weight: 800; letter-spacing: .1em; }
.materials-page-main section { margin-top: 2.6rem; }
.materials-page-main section h2 { margin-bottom: 1rem; font-size: 1.7rem; }
.materials-page-main section > p { color: var(--ink-soft); font-size: .82rem; line-height: 1.6; }
.materials-page-main .materials-list { grid-template-columns: repeat(2,1fr); }
.materials-page-main .materials-list-two { grid-template-columns: repeat(2,1fr); }
.materials-page-warning { margin-top: 2rem; padding: 1rem; color: #87522f; background: #fff6ed; border-left: 3px solid #d38a51; font-size: .76rem; line-height: 1.6; }

@media (max-width: 900px) {
  .site-header { height: 72px; }
  .menu-toggle { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid #d3dce4; background: var(--white); color: var(--navy); cursor: pointer; }
  .menu-icon, .menu-icon::before, .menu-icon::after { display: block; width: 18px; height: 1.5px; background: var(--navy); position: relative; transition: transform .2s ease; }
  .menu-icon::before, .menu-icon::after { content: ""; position: absolute; left: 0; }.menu-icon::before { top: -6px; }.menu-icon::after { top: 6px; }
  .menu-toggle[aria-expanded="true"] .menu-icon { background: transparent; }.menu-toggle[aria-expanded="true"] .menu-icon::before { top: 0; transform: rotate(45deg); }.menu-toggle[aria-expanded="true"] .menu-icon::after { top: 0; transform: rotate(-45deg); }
  .main-nav { position: absolute; top: 72px; left: 0; right: 0; padding: .6rem var(--page-pad) 1.1rem; display: none; align-items: stretch; flex-direction: column; gap: 0; background: var(--white); box-shadow: 0 12px 18px rgba(20,44,74,.09); }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: .85rem 0; border-bottom: 1px solid #e8edf1; font-size: .83rem; }
  .main-nav .nav-contact { margin-top: .65rem; padding: .8rem; text-align: center; border: 1px solid #cad4df; }
  .hero { min-height: 590px; padding-top: 6rem; }
  .hero-art { right: -12%; width: min(53vw, 480px); opacity: .7; }
  .hero-copy { max-width: 650px; }
  .hero h1 { max-width: 620px; }
  .intro-grid { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .capabilities-grid { grid-template-columns: 1fr; }
  .capability-card { min-height: 245px; padding-right: 8rem; }
  .capability-card p { max-width: 480px; }
  .card-symbol { position: absolute; right: 1.75rem; top: 35%; margin: 0; }
  .method-layout { gap: 3rem; }
  .materials-list { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  :root { --page-pad: 1.25rem; }
  html { scroll-padding-top: 5rem; }
  .site-header { height: 72px; padding: 0 var(--page-pad); }
  .brand { width: 138px; }
  .menu-toggle { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid #d3dce4; background: var(--white); color: var(--navy); cursor: pointer; }
  .menu-icon, .menu-icon::before, .menu-icon::after { display: block; width: 18px; height: 1.5px; background: var(--navy); position: relative; transition: transform .2s ease; }
  .menu-icon::before, .menu-icon::after { content: ""; position: absolute; left: 0; }.menu-icon::before { top: -6px; }.menu-icon::after { top: 6px; }
  .menu-toggle[aria-expanded="true"] .menu-icon { background: transparent; }.menu-toggle[aria-expanded="true"] .menu-icon::before { top: 0; transform: rotate(45deg); }.menu-toggle[aria-expanded="true"] .menu-icon::after { top: 0; transform: rotate(-45deg); }
  .main-nav { position: absolute; top: 72px; left: 0; right: 0; padding: .6rem var(--page-pad) 1.1rem; display: none; align-items: stretch; flex-direction: column; gap: 0; background: var(--white); box-shadow: 0 12px 18px rgba(20,44,74,.09); }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: .95rem 0; border-bottom: 1px solid #e8edf1; font-size: .83rem; }
  .main-nav .nav-contact { margin-top: .65rem; padding: .8rem; text-align: center; border: 1px solid #cad4df; }
  .hero { min-height: 630px; padding: 5.3rem var(--page-pad) 5rem; align-items: flex-start; }
  .hero::before { background-size: 38px 38px; mask-image: linear-gradient(180deg, #000 15%, transparent 86%); }
  .hero-copy { max-width: 100%; }
  .eyebrow { flex-wrap: wrap; font-size: .61rem; letter-spacing: .11em; }
  .hero h1 { max-width: 600px; font-size: clamp(3rem, 12.5vw, 4.55rem); line-height: 1; }
  .hero-lead { max-width: 440px; font-size: .98rem; line-height: 1.65; }
  .event-signature { max-width: 285px; font-size: .57rem; }
  .hero-art { width: 280px; top: auto; right: -55px; bottom: -26px; transform: none; opacity: .45; }
  .hero-scroll { bottom: 1.35rem; font-size: .63rem; }
  .section { padding: 4.5rem var(--page-pad); }
  .section-kicker { margin-bottom: 2rem; font-size: .6rem; gap: .65rem; }
  .kicker-line { width: 24px; }
  .intro-grid, .method-layout { grid-template-columns: 1fr; gap: 1.6rem; }
  .intro-grid h2, .cap-heading h2, .method-heading h2 { font-size: clamp(2.8rem, 11vw, 4rem); }
  .intro-text { font-size: .9rem; line-height: 1.75; }
  .principle-row { margin-top: 3rem; grid-template-columns: 1fr; }
  .principle-row > div { min-height: 84px; padding: 1rem 0; }
  .cap-heading { display: block; margin-bottom: 2rem; }
  .cap-heading > p { max-width: 350px; margin-top: 1rem; font-size: .88rem; }
  .capability-card { min-height: 270px; padding: 1.3rem 1.25rem 3.3rem; }
  .card-index { font-size: .57rem; }
  .card-symbol { right: 1.4rem; top: 30%; transform: scale(.8); transform-origin: right center; opacity: .8; }
  .capability-card h3 { max-width: 78%; font-size: 1.45rem; }
  .capability-card p { max-width: 100%; font-size: .82rem; }
  .method-heading > p { font-size: .9rem; }
  .energy-intro, .materials-intro { grid-template-columns: 1fr; gap: 1rem; }
  .energy-intro h2, .materials-intro h2 { font-size: clamp(2.8rem, 11vw, 4rem); }
  .energy-intro > div > p, .materials-intro > div > p { font-size: .9rem; line-height: 1.7; }
  .energy-qualification { max-width: none; font-size: .76rem; }
  .energy-grid { grid-template-columns: 1fr; margin-top: 2rem; }
  .energy-card { min-height: 0; padding: 1.25rem; }
  .energy-card h3 { margin: 1.25rem 0 .55rem; font-size: 1.4rem; }
  .energy-card p { font-size: .8rem; }
  .energy-flow { grid-template-columns: 1fr; gap: .55rem; padding: 1.1rem; }
  .energy-flow > i { transform: rotate(90deg); justify-self: start; margin-left: .25rem; }
  .energy-flow strong { font-size: 1rem; }
  .materials-status { justify-self: start; }
  .materials-group > h3 { font-size: 1.25rem; }
  .materials-list, .materials-alternates .materials-list { grid-template-columns: 1fr; }
  .material-card { min-height: 90px; }
  .materials-note, .energy-note { font-size: .67rem; }
  .energy-dashboard { margin-top: 1.7rem; padding: .85rem; }
  .dashboard-heading { align-items: flex-start; flex-direction: column; }
  .dashboard-heading h3 { font-size: 1.35rem; }
  .sample-badge { font-size: .52rem; }
  .metric-grid { gap: .4rem; }
  .metric-card { min-height: 82px; padding: .55rem; }
  .metric-card > span { font-size: .57rem; }
  .metric-card strong { font-size: 1.25rem; }
  .metric-card strong small, .metric-card em { font-size: .5rem; }
  .chart-panel { padding: .65rem .5rem .55rem; }
  .chart-title { align-items: flex-start; flex-direction: column; gap: .25rem; }
  .chart-labels { font-size: 13px; }
  .materials-access { grid-template-columns: 36px 1fr; gap: .7rem; padding: .8rem; }
  .access-icon { width: 34px; height: 34px; }
  .access-lock { display: none; }
  .materials-access strong { font-size: 1.05rem; }
  .materials-access small { font-size: .66rem; }
  .materials-preview-note { font-size: .67rem; }
  .materials-page-header { min-height: 68px; }
  .materials-page-header img { width: 122px; }
  .materials-page-main { padding: 2.6rem 1.25rem 3rem; }
  .materials-page-main .materials-list, .materials-page-main .materials-list-two { grid-template-columns: 1fr; }
  .steps li { grid-template-columns: 2.25rem 1fr; gap: .55rem; padding: 1.15rem 0; }
  .steps h3 { font-size: 1.32rem; }.steps p { font-size: .8rem; }
  .method-note { align-items: flex-start; font-size: .72rem; line-height: 1.55; }
  .contact-section { min-height: 580px; padding: 4.5rem var(--page-pad) 0; }
  .contact-content { padding-bottom: 4rem; }
  .contact-content h2 { font-size: clamp(3.1rem, 12vw, 4.7rem); }
  .contact-copy { font-size: .88rem; }
  .document-area { margin: 1.5rem 0; padding: .75rem; }
  .document-heading { align-items: flex-start; flex-direction: column; gap: .45rem; }
  .document-link { gap: .65rem; padding: .6rem; }
  .document-copy strong { font-size: .72rem; }.document-copy small { font-size: .61rem; }
  .document-note { font-size: .6rem; }
  .contact-decoration { width: 390px; height: 390px; top: 32%; right: -53%; opacity: .65; }
  .site-footer { min-height: 70px; font-size: .6rem; }
  .footer-links { gap: .9rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}