:root {
  --ink: #17191b;
  --night: #101215;
  --night-soft: #17191d;
  --paper: #f6f3ec;
  --white: #fff;
  --muted: #686864;
  --gold: #c39a50;
  --gold-light: #e0c17f;
  --line: rgba(146, 116, 60, .24);
  --cyan: #2dc7ef;
  --serif: "Cormorant Garamond", "Playfair Display", serif;
  --sans:"Plus Jakarta Sans",sans-serif;
  --shell: min(1240px, calc(100vw - 96px));
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: auto; background: var(--night); }
body { margin: 0; overflow-x: clip; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 14px; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; max-width: 100%; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { text-wrap: pretty; }
.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; }
.page-shell { width: var(--shell); margin-inline: auto; }
.section-light { background: var(--paper); }
.section-dark { color: var(--white); background: var(--night); }
.eyebrow { margin: 0 0 22px; color: var(--gold); font-size: 10px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.gold-button, .outline-button, .light-button { width: max-content; min-height: 48px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 34px; border: 1px solid var(--gold); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; transition: color .3s ease, background-color .3s ease, transform .3s var(--ease), box-shadow .3s ease; }
.gold-button { color: #171717; background: linear-gradient(135deg, #d4ac65, #b58639); }
.outline-button { color: var(--gold-light); background: transparent; }
.light-button { color: #8b6a2d; background: transparent; }
.gold-button:hover, .outline-button:hover, .light-button:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(154, 111, 39, .2); }
.outline-button:hover { color: var(--night); background: var(--gold); }

.siltron-header { position: absolute; z-index: 50; top: 0; left: 50%; width: min(100% - 72px, 1400px); height: 88px; display: grid; grid-template-columns: 220px 1fr auto; align-items: center; color: rgba(255,255,255,.78); transform: translateX(-50%); transition: height .3s ease, color .3s ease, background-color .3s ease, box-shadow .3s ease, transform .35s var(--ease); }
.siltron-header.is-fixed { position: fixed; width: 100%; height: 72px; padding-inline: max(36px, calc((100vw - 1400px) / 2)); color: #222; background: rgba(250,248,243,.96); box-shadow: 0 7px 28px rgba(16,17,18,.1); backdrop-filter: blur(14px); }
.siltron-header.is-hidden { transform: translate(-50%, -110%); }
.siltron-brand { position: relative; z-index: 3; display: block; width: 172px; }
.siltron-brand img { height: auto; filter: brightness(0) invert(1) sepia(.12) saturate(1.4); }
.siltron-header.is-fixed .siltron-brand img { filter: none; }
.siltron-nav { display: flex; align-items: center; justify-content: center; gap: clamp(24px, 3vw, 52px); }
.siltron-nav a { position: relative; padding: 31px 0; font-size: 10px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.siltron-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 22px; height: 1px; background: var(--gold); transition: right .35s var(--ease); }
.siltron-nav a:hover::after { right: 0; }
.header-tools { display: flex; align-items: center; gap: 27px; }
.header-tools > span { display: flex; align-items: center; gap: 8px; font-size: 9px; }
.header-tools i { width: 1px; height: 12px; background: rgba(255,255,255,.35); }
.siltron-header.is-fixed .header-tools i { background: rgba(20,20,20,.22); }
.header-tools b { color: var(--gold); }
.header-tools > a { min-width: 96px; padding: 13px 18px; border: 1px solid rgba(195,154,80,.72); color: #f3dca9; font-size: 9px; font-weight: 700; letter-spacing: .12em; text-align: center; text-transform: uppercase; transition: color .25s ease, background-color .25s ease; }
.siltron-header.is-fixed .header-tools > a { color: #7f5e25; }
.header-tools > a:hover { color: #151515; background: var(--gold); }
.menu-toggle { position: relative; z-index: 4; display: none; width: 44px; height: 44px; padding: 0; border: 1px solid rgba(195,154,80,.7); background: transparent; }
.menu-toggle > span:not(.sr-only) { position: absolute; left: 12px; width: 18px; height: 1px; background: currentColor; transition: transform .3s ease, opacity .3s ease; }
.menu-toggle > span:first-child { top: 14px; }
.menu-toggle > span:nth-child(2) { top: 21px; }
.menu-toggle > span:nth-child(3) { top: 28px; }

.siltron-hero { position: relative; min-height: 780px; height: 100svh; overflow: hidden; color: #fff; background: #090b0f; isolation: isolate; }
.hero-media, .hero-shade { position: absolute; inset: 0; }
.hero-media { z-index: -3; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: 71% 50%; filter: saturate(1.06) contrast(1.08) brightness(.76); transform: scale(1.035); animation: hero-breathe 10s ease-in-out infinite alternate; }
.hero-shade { z-index: -2; background: linear-gradient(90deg, rgba(5,8,12,.98) 0%, rgba(7,10,15,.91) 31%, rgba(7,10,15,.42) 57%, rgba(6,8,12,.08) 75%), linear-gradient(0deg, rgba(5,7,10,.56), transparent 58%); }
.hero-orbit { position: absolute; border: 1px solid rgba(81,146,213,.25); border-radius: 50%; box-shadow: inset 0 0 40px rgba(38,96,174,.06); animation: orbit-drift 8s ease-in-out infinite alternate; }
.hero-orbit-one { top: -130px; left: 31%; width: 390px; height: 390px; }
.hero-orbit-two { right: -120px; bottom: -210px; width: 510px; height: 510px; animation-delay: -3s; }
.hero-plasma { position: absolute; left: 65%; top: 45%; width: 280px; height: 280px; border-radius: 50%; background: radial-gradient(circle, rgba(101,68,255,.28), rgba(42,117,255,.09) 35%, transparent 67%); filter: blur(12px); transform: translate(-50%, -50%); animation: plasma-pulse 3.8s ease-in-out infinite; }
@keyframes hero-breathe { to { transform: scale(1.07) translate3d(-.6%, -.3%, 0); } }
@keyframes orbit-drift { to { transform: translate3d(18px, -10px, 0) scale(1.03); } }
@keyframes plasma-pulse { 50% { opacity: .64; transform: translate(-50%, -50%) scale(1.12); } }
.hero-content { height: 100%; padding-top: 155px; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.hero-content .eyebrow { margin-bottom: 25px; }
.hero-content h1 { margin: 0; font-family: var(--serif); font-size: clamp(68px, 6vw, 94px); font-weight: 500; line-height: .87; letter-spacing: -.035em; }
.hero-content h1 span { display: block; overflow: hidden; }
.hero-content h1 span + span { margin-top: 7px; }
.hero-lead { margin: 35px 0 0; color: rgba(255,255,255,.76); font-size: 14px; line-height: 1.75; }
.hero-content .gold-button { margin-top: 35px; }
.scroll-cue { position: absolute; z-index: 3; left: 50%; bottom: 31px; width: 25px; height: 42px; border: 1px solid rgba(255,255,255,.65); border-radius: 16px; transform: translateX(-50%); }
.scroll-cue i { position: absolute; left: 50%; top: 8px; width: 3px; height: 7px; border-radius: 3px; background: #fff; transform: translateX(-50%); animation: scroll-dot 1.6s ease-in-out infinite; }
.scroll-cue span { position: absolute; left: 50%; bottom: -13px; width: 1px; height: 14px; background: rgba(255,255,255,.45); }
@keyframes scroll-dot { 50% { transform: translate(-50%, 12px); opacity: .2; } }

.overview { min-height: 670px; display: grid; grid-template-columns: 45% 55%; align-items: stretch; }
.overview-media { min-height: 670px; height: 100%; overflow: hidden; }
.overview-media img { height: 100%; object-fit: cover; object-position: center; transition: transform 1.2s var(--ease); }
.overview-media:hover img { transform: scale(1.035); }
.overview-copy { padding: 110px clamp(44px, 7vw, 112px) 90px; display: flex; flex-direction: column; justify-content: center; }
.overview-copy h2, .section-heading h2, .plasma-copy h2, .vision-media h2, .partnership-copy h2 { margin: 0; font-family: var(--serif); font-weight: 500; letter-spacing: -.025em; }
.overview-copy h2 { font-size: clamp(48px, 4vw, 64px); line-height: .97; }
.overview-copy > p:not(.eyebrow) { max-width: 660px; margin: 32px 0 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.overview-values { margin-top: 48px; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.overview-values article { min-height: 150px; padding: 25px 22px 12px; border-right: 1px solid var(--line); text-align: center; }
.overview-values article:first-child { padding-left: 0; }
.overview-values article:last-child { border-right: 0; }
.overview-values article > span { display: block; height: 28px; color: var(--gold); font-size: 24px; }
.overview-values strong { display: block; margin-top: 8px; font-family: var(--serif); font-size: 38px; font-weight: 500; line-height: 1; }
.overview-values p { margin: 9px 0 0; color: #383936; font-size: 10px; line-height: 1.5; }

.pipeline { position: relative; padding: 74px 0 82px; overflow: hidden; background: radial-gradient(circle at 50% 43%, rgba(27,70,98,.16), transparent 28%), #111317; }
.pipeline::before { content: ""; position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px); background-size: 42px 42px; pointer-events: none; }
.section-heading { position: relative; z-index: 2; width: var(--shell); margin: 0 auto 68px; text-align: center; }
.section-heading .eyebrow { margin-bottom: 14px; }
.section-heading h2 { font-size: clamp(48px, 4vw, 62px); line-height: 1; }
.section-heading > span { display: block; width: 52px; height: 1px; margin: 22px auto 0; background: var(--gold); }
.section-heading > p:last-child { margin: 18px 0 0; color: var(--muted); font-size: 12px; }
.pipeline .section-heading { margin-bottom: 44px; }
.pipeline-track { position: relative; z-index: 2; width: min(1180px, calc(100vw - 96px)); margin: auto; }
.pipeline-track::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: linear-gradient(transparent, rgba(195,154,80,.75) 5%, rgba(195,154,80,.75) 95%, transparent); transform: translateX(-50%); }
.pipeline-step { position: relative; min-height: 270px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 95px; }
.pipeline-step + .pipeline-step { margin-top: 14px; }
.pipeline-step::before { content: ""; position: absolute; z-index: 4; left: 50%; top: 50%; width: 9px; height: 9px; border: 1px solid rgba(118,224,255,.9); border-radius: 50%; background: #126b91; box-shadow: 0 0 0 7px rgba(45,199,239,.08), 0 0 24px rgba(45,199,239,.95); transform: translate(-50%, -50%); }
.pipeline-step figure { height: 270px; margin: 0; overflow: hidden; border-radius: 9px; box-shadow: 0 16px 34px rgba(0,0,0,.36); }
.pipeline-step figure img { height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.pipeline-step:hover figure img { transform: scale(1.045); }
.pipeline-step-right figure { grid-column: 2; }
.pipeline-step-right .pipeline-content { grid-column: 1; grid-row: 1; text-align: right; }
.pipeline-content { padding-inline: 8px; }
.pipeline-content > span { color: var(--gold-light); font-family: var(--serif); font-size: 58px; line-height: .8; }
.pipeline-content h3 { margin: 14px 0 0; font-family: var(--serif); font-size: 31px; font-weight: 500; line-height: 1.05; }
.pipeline-content p { max-width: 400px; margin: 15px 0 0; color: rgba(255,255,255,.56); font-size: 12px; line-height: 1.75; }
.pipeline-step-right .pipeline-content p { margin-left: auto; }

.products { padding: 55px 0 60px; }
.products .section-heading { margin-bottom: 35px; }
.section-heading-dark { color: var(--ink); }
.product-grid { width: min(1320px, calc(100vw - 96px)); margin: auto; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); grid-template-rows: repeat(4, 140px); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.product-card { position: relative; min-height: 280px; padding: 22px 20px 18px; overflow: hidden; display: flex; flex-direction: column; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.24); transition: color .4s ease, background-color .4s ease, transform .4s var(--ease), box-shadow .4s ease; }
.product-card:nth-child(1) { grid-column: 1 / span 3; grid-row: 1 / span 2; }
.product-card:nth-child(2) { grid-column: 4 / span 3; grid-row: 1 / span 2; }
.product-card:nth-child(3) { grid-column: 7 / span 3; grid-row: 1 / span 4; }
.product-card:nth-child(4) { grid-column: 10 / span 3; grid-row: 1 / span 2; }
.product-card:nth-child(5) { grid-column: 1 / span 3; grid-row: 3 / span 2; }
.product-card:nth-child(6) { grid-column: 4 / span 3; grid-row: 3 / span 2; }
.product-card:nth-child(7) { grid-column: 10 / span 3; grid-row: 3; }
.product-card:nth-child(8) { grid-column: 10 / span 3; grid-row: 4; }
.product-card > span { position: absolute; z-index: 2; top: 20px; left: 20px; color: var(--gold); font-family: var(--serif); font-size: 23px; }
.product-card img { width: 100%; height: 150px; margin: 0 auto; object-fit: contain; mix-blend-mode: multiply; transition: transform .7s var(--ease); }
.product-card-tall img { height: 410px; }
.product-card-compact { min-height: 0; padding: 14px 16px; display: grid; grid-template-columns: 112px 1fr; grid-template-rows: auto 1fr; column-gap: 14px; align-items: center; }
.product-card-compact > span { top: 12px; left: 13px; font-size: 18px; }
.product-card-compact img { grid-column: 1; grid-row: 1 / span 2; height: 104px; }
.product-card-compact h3 { grid-column: 2; grid-row: 1; margin: 0; font-size: 21px; }
.product-card-compact p { grid-column: 2; grid-row: 2; margin-top: 7px; font-size: 8px; }
.product-card h3 { margin: 9px 0 0; font-family: var(--serif); font-size: 26px; font-weight: 500; line-height: 1.05; }
.product-card p { margin: 12px 0 0; color: var(--muted); font-size: 10px; line-height: 1.65; }
.product-card:hover { z-index: 3; color: #fff; background: #15171a; box-shadow: 0 18px 40px rgba(20,18,13,.18); transform: translateY(-5px); }
.product-card:hover img { mix-blend-mode: normal; transform: scale(1.055); }
.product-card:hover p { color: rgba(255,255,255,.62); }

.plasma { display: grid; grid-template-columns: 56% 44%; background: linear-gradient(115deg, #0b0d11, #111318); }
.plasma-media { min-height: 0; overflow: hidden; }
.plasma-media img { height: 100%; object-fit: cover; object-position: center; filter: saturate(1.1) contrast(1.04); transition: transform 1.2s var(--ease); }
.plasma-media:hover img { transform: scale(1.04); }
.plasma-copy { padding: 56px clamp(42px, 6vw, 92px); display: flex; flex-direction: column; justify-content: center; }
.plasma-copy h2 { font-size: clamp(51px, 4.3vw, 66px); line-height: .94; }
.plasma-copy > p:not(.eyebrow) { max-width: 520px; margin: 29px 0 0; color: rgba(255,255,255,.58); font-size: 12px; line-height: 1.8; }
.plasma-features { margin-top: 37px; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(195,154,80,.25); }
.plasma-features article { min-height: 120px; padding: 24px 12px 0; border-right: 1px solid rgba(195,154,80,.22); text-align: center; }
.plasma-features article:first-child { padding-left: 0; }
.plasma-features article:last-child { border-right: 0; }
.plasma-features i { position: relative; display: block; width: 27px; height: 27px; margin: auto; border: 1px solid var(--gold); transform: rotate(45deg); }
.plasma-features i::after { content: ""; position: absolute; inset: 5px; border: 1px solid rgba(195,154,80,.6); }
.plasma-features span { display: block; margin-top: 16px; color: rgba(255,255,255,.74); font-size: 9px; line-height: 1.55; }
.plasma-copy .outline-button { margin-top: 28px; }

.technology-quote { min-height: 210px; margin: 0; padding: 55px 24px; display: flex; align-items: center; justify-content: center; gap: 34px; color: #32302a; background: var(--paper); text-align: center; }
.technology-quote p { margin: 0; font-family: var(--serif); font-size: clamp(35px, 3vw, 49px); line-height: 1.08; }
.technology-quote span { color: var(--gold); font-family: var(--serif); font-size: 55px; }

.vision { min-height: 740px; display: grid; grid-template-columns: 56% 44%; border-top: 1px solid var(--line); }
.vision-media { padding: 78px 42px 54px clamp(28px, 6vw, 92px); display: flex; flex-direction: column; align-items: flex-start; justify-content: center; overflow: hidden; }
.vision-media .eyebrow { margin-bottom: 16px; }
.vision-media h2 { position: relative; z-index: 2; font-size: clamp(48px, 4vw, 63px); line-height: .96; }
.vision-media img { width: min(100%, 650px); height: auto; margin-top: 12px; object-fit: contain; mix-blend-mode: multiply; }
.vision-copy { padding: 90px clamp(40px, 6vw, 90px) 82px 30px; display: flex; flex-direction: column; justify-content: center; }
.vision-pillars { margin-top: 0; }
.vision-pillars article { padding: 22px 0; display: grid; grid-template-columns: 65px 1fr; align-items: center; border-top: 1px solid var(--line); }
.vision-pillars article > i { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--gold); border-radius: 50%; color: var(--gold); font-size: 21px; font-style: normal; }
.vision-pillars h3 { margin: 0; font-family: var(--serif); font-size: 24px; font-weight: 500; }
.vision-pillars p { margin: 6px 0 0; color: var(--muted); font-size: 10px; line-height: 1.65; }
.vision-actions { margin-top: 33px; display: flex; gap: 12px; }

.partnership { position: relative; min-height: 610px; padding: 92px max(48px, calc((100vw - 1240px) / 2)); display: grid; grid-template-columns: 1fr 1fr; gap: 95px; align-items: center; overflow: hidden; background: radial-gradient(circle at 12% 24%, rgba(52,63,79,.24), transparent 31%), #101216; }
.partnership::before { content: ""; position: absolute; inset: 0; opacity: .13; background-image: linear-gradient(120deg, transparent 0 49.5%, rgba(195,154,80,.15) 50%, transparent 50.5%); background-size: 42px 42px; pointer-events: none; }
.partnership-copy, .partnership-form { position: relative; z-index: 2; }
.partnership-watermark { position: absolute; z-index: -1; left: -15px; top: -84px; color: rgba(255,255,255,.035); font-family: var(--serif); font-size: clamp(74px, 9vw, 145px); letter-spacing: .08em; white-space: nowrap; }
.partnership-copy h2 { font-size: clamp(50px, 4.5vw, 70px); line-height: .93; }
.partnership-copy > p:not(.eyebrow) { max-width: 520px; margin: 29px 0 0; color: rgba(255,255,255,.58); font-size: 12px; line-height: 1.8; }
.partnership-copy address { margin-top: 34px; display: grid; gap: 13px; color: rgba(255,255,255,.72); font-size: 10px; font-style: normal; }
.partnership-copy address > * { position: relative; padding-left: 27px; }
.partnership-copy address > *::before { content: ""; position: absolute; left: 0; top: 50%; width: 11px; height: 11px; border: 1px solid var(--gold); transform: translateY(-50%) rotate(45deg); }
.partnership-form { padding: 28px; border-radius: 8px; color: #272824; background: #f8f6f1; box-shadow: 0 22px 55px rgba(0,0,0,.32); }
.partnership-form label { display: block; }
.partnership-form label > span { display: none; }
.partnership-form input, .partnership-form select, .partnership-form textarea { width: 100%; padding: 12px 14px; border: 1px solid #ddd8cd; border-radius: 2px; outline: none; color: #252622; background: #fff; font-size: 11px; transition: border-color .25s ease, box-shadow .25s ease; }
.partnership-form input, .partnership-form select { height: 43px; }
.partnership-form textarea { resize: vertical; }
.partnership-form label + label { margin-top: 8px; }
.partnership-form input:focus, .partnership-form select:focus, .partnership-form textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(195,154,80,.1); }
.partnership-form button { width: 100%; min-height: 46px; margin-top: 13px; display: flex; align-items: center; justify-content: center; gap: 60px; border: 0; color: #1a1a18; background: linear-gradient(135deg, #d4ad68, #b8873a); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; transition: filter .25s ease, transform .25s ease; }
.partnership-form button:hover { filter: brightness(1.07); transform: translateY(-2px); }
.form-note { margin: 12px 0 0; color: #8a8983; font-size: 8px; line-height: 1.5; text-align: center; }
.form-status { min-height: 16px; margin: 7px 0 0; color: #806126; font-size: 9px; text-align: center; }

.siltron-footer { padding: 65px max(48px, calc((100vw - 1240px) / 2)) 25px; display: grid; grid-template-columns: 1.55fr repeat(3, .8fr) 1.1fr; gap: 46px; color: #51514e; background: #f3f0e9; border-top: 1px solid var(--line); }
.footer-brand img { width: 180px; filter: none; }
.footer-brand p { max-width: 280px; margin: 22px 0 0; font-size: 10px; line-height: 1.75; }
.siltron-footer h3 { margin: 0 0 20px; color: #262723; font-family: var(--sans); font-size: 9px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.siltron-footer > div:not(.footer-brand):not(.footer-bottom) > a { display: block; margin-top: 12px; font-size: 9px; transition: color .2s ease, transform .2s ease; }
.siltron-footer > div:not(.footer-brand):not(.footer-bottom) > a:hover { color: #9a722d; transform: translateX(3px); }
.footer-newsletter form { display: flex; border-bottom: 1px solid #cfc8b8; }
.footer-newsletter input { width: 100%; min-width: 0; padding: 11px 4px; border: 0; outline: 0; background: transparent; font-size: 9px; }
.footer-newsletter button { width: 38px; border: 0; color: #fff; background: var(--gold); }
.footer-bottom { grid-column: 1 / -1; margin-top: 25px; padding-top: 20px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); font-size: 8px; }
.footer-bottom p { margin: 0; }

[data-reveal] { opacity: 0; transition: opacity .82s var(--ease), transform .9s var(--ease), clip-path 1s var(--ease); will-change: opacity, transform; }
[data-reveal="left"] { transform: translate3d(-42px, 0, 0); }
[data-reveal="right"] { transform: translate3d(42px, 0, 0); }
[data-reveal="up"] { transform: translate3d(0, 34px, 0); }
[data-reveal].is-visible { opacity: 1; transform: translate3d(0, 0, 0); }
.product-card:nth-child(2), .overview-values article:nth-child(2) { transition-delay: .08s; }
.product-card:nth-child(3), .overview-values article:nth-child(3) { transition-delay: .16s; }
.product-card:nth-child(4) { transition-delay: .24s; }
.product-card:nth-child(5) { transition-delay: .08s; }
.product-card:nth-child(6) { transition-delay: .16s; }
.product-card:nth-child(7) { transition-delay: .24s; }
.product-card:nth-child(8) { transition-delay: .32s; }

@media (max-width: 1080px) {
  :root { --shell: min(900px, calc(100vw - 56px)); }
  .siltron-header { width: calc(100% - 48px); grid-template-columns: 185px 1fr auto; }
  .siltron-nav { gap: 20px; }
  .siltron-nav a { font-size: 9px; }
  .header-tools > span { display: none; }
  .overview-copy { padding-inline: 52px; }
  .pipeline-track { width: calc(100vw - 64px); }
  .product-card { min-height: 360px; padding-inline: 18px; }
  .partnership { gap: 55px; }
  .siltron-footer { grid-template-columns: 1.4fr repeat(3, .8fr); }
  .footer-newsletter { grid-column: 1 / -1; max-width: 430px; }
}

@media (max-width: 820px) {
  :root { --shell: calc(100vw - 40px); }
  .siltron-header, .siltron-header.is-fixed { position: fixed; top: 0; width: 100%; height: 70px; padding-inline: 20px; grid-template-columns: 1fr auto; color: #fff; background: rgba(12,14,17,.9); transform: none; backdrop-filter: blur(14px); }
  .siltron-header.is-hidden { transform: translateY(-110%); }
  .siltron-header.is-fixed .siltron-brand img { filter: brightness(0) invert(1) sepia(.12) saturate(1.4); }
  .siltron-brand { width: 155px; }
  .menu-toggle { display: block; }
  .siltron-nav { position: fixed; inset: 0; z-index: 2; padding: 105px 25px 45px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 5px; color: #fff; background: #101216; opacity: 0; visibility: hidden; transform: translateY(-18px); transition: opacity .3s ease, visibility .3s ease, transform .4s var(--ease); }
  .menu-open .siltron-nav { opacity: 1; visibility: visible; transform: none; }
  .siltron-nav a { padding: 10px 0; font-family: var(--serif); font-size: 39px; font-weight: 500; letter-spacing: -.02em; text-transform: none; }
  .siltron-nav a::after { bottom: 5px; }
  .header-tools { display: none; }
  .menu-open .menu-toggle > span:first-child { top: 21px; transform: rotate(45deg); }
  .menu-open .menu-toggle > span:nth-child(2) { opacity: 0; }
  .menu-open .menu-toggle > span:nth-child(3) { top: 21px; transform: rotate(-45deg); }
  .siltron-hero { min-height: 720px; height: 100svh; }
  .hero-media img { object-position: 62% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(5,8,12,.96), rgba(5,8,12,.6) 58%, rgba(5,8,12,.18)), linear-gradient(0deg, rgba(5,7,10,.62), transparent); }
  .hero-content { padding-top: 105px; justify-content: center; }
  .hero-content h1 { font-size: clamp(58px, 10vw, 78px); }
  .overview { grid-template-columns: 1fr; }
  .overview-media { min-height: 560px; }
  .overview-copy { padding: 82px 30px; }
  .pipeline-step { grid-template-columns: 1fr; gap: 22px; padding-left: 58px; }
  .pipeline-step + .pipeline-step { margin-top: 55px; }
  .pipeline-track::before { left: 20px; transform: none; }
  .pipeline-step::before { left: 20px; top: 116px; }
  .pipeline-step figure, .pipeline-step-right figure { grid-column: 1; grid-row: auto; height: 270px; }
  .pipeline-step .pipeline-content, .pipeline-step-right .pipeline-content { grid-column: 1; grid-row: auto; text-align: left; }
  .pipeline-step-right .pipeline-content p { margin-left: 0; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: none; }
  .product-grid > .product-card { grid-column: auto; grid-row: auto; }
  .product-card, .product-card-tall, .product-card-compact { grid-column: auto; grid-row: auto; min-height: 280px; display: flex; }
  .product-card-tall img, .product-card-compact img { height: 150px; }
  .product-card-compact h3 { margin-top: 9px; font-size: 26px; }
  .product-card-compact p { margin-top: 12px; font-size: 10px; }
  .plasma { grid-template-columns: 1fr; }
  .plasma-media { min-height: 560px; }
  .plasma-copy { padding: 82px 32px; }
  .vision { grid-template-columns: 1fr; }
  .vision-media { padding: 72px 34px 24px; }
  .vision-media img { width: min(100%, 650px); height: auto; }
  .vision-copy { padding: 60px 34px 80px; }
  .partnership { grid-template-columns: 1fr; gap: 55px; padding: 90px 32px; }
  .siltron-footer { padding-inline: 28px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand, .footer-newsletter { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  :root { --shell: calc(100vw - 34px); }
  body { font-size: 13px; }
  .siltron-hero { min-height: 690px; }
  .hero-media img { object-position: 60% center; }
  .hero-shade { background: linear-gradient(0deg, rgba(4,7,11,.96) 0%, rgba(4,7,11,.5) 63%, rgba(4,7,11,.16) 100%); }
  .hero-content { padding-top: 245px; justify-content: flex-end; padding-bottom: 82px; }
  .hero-content h1 { font-size: 55px; line-height: .9; }
  .hero-lead { margin-top: 25px; font-size: 12px; }
  .hero-content .gold-button { margin-top: 26px; }
  .gold-button, .outline-button, .light-button { min-height: 44px; padding-inline: 16px; gap: 22px; font-size: 9px; }
  .overview-media { min-height: 450px; }
  .overview-copy { padding: 70px 20px 75px; }
  .overview-copy h2 { font-size: 42px; }
  .overview-copy > p:not(.eyebrow) { font-size: 12px; }
  .overview-values { margin-top: 35px; }
  .overview-values article { min-height: 135px; padding-inline: 8px; }
  .overview-values strong { font-size: 31px; }
  .overview-values p { font-size: 8px; }
  .pipeline { padding: 72px 0 80px; }
  .section-heading { margin-bottom: 48px; }
  .section-heading h2 { font-size: 42px; }
  .pipeline-track { width: calc(100vw - 30px); }
  .pipeline-step { padding-left: 39px; }
  .pipeline-track::before, .pipeline-step::before { left: 10px; }
  .pipeline-step figure, .pipeline-step-right figure { height: 205px; }
  .pipeline-content > span { font-size: 45px; }
  .pipeline-content h3 { font-size: 27px; }
  .pipeline-content p { font-size: 11px; }
  .products { padding: 72px 0 82px; }
  .product-grid { width: calc(100vw - 28px); grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-card { min-height: 310px; padding: 20px 12px; }
  .product-card img { height: 145px; }
  .product-card h3 { font-size: 21px; }
  .product-card p { font-size: 8px; }
  .product-card-compact h3 { font-size: 21px; }
  .product-card-compact p { font-size: 8px; }
  .plasma-media { min-height: 430px; }
  .plasma-copy { padding: 70px 20px 75px; }
  .plasma-copy h2 { font-size: 44px; }
  .plasma-features article { padding-inline: 5px; }
  .technology-quote { min-height: 180px; gap: 12px; }
  .technology-quote p { font-size: 31px; }
  .technology-quote span { font-size: 40px; }
  .vision-media { padding: 62px 20px 18px; }
  .vision-media h2 { font-size: 42px; }
  .vision-media img { height: auto; }
  .vision-copy { padding: 52px 20px 70px; }
  .vision-pillars article { grid-template-columns: 55px 1fr; }
  .vision-actions { flex-direction: column; }
  .partnership { padding: 75px 18px; }
  .partnership-copy h2 { font-size: 47px; }
  .partnership-form { padding: 18px; }
  .siltron-footer { padding: 55px 20px 22px; gap: 36px 22px; }
  .footer-brand img { width: 160px; }
  .footer-bottom { align-items: flex-start; gap: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}