/* Current website direction; not a permanent brand palette. */
@font-face { font-family: Anton; src: url('../fonts/anton-regular.ttf') format('truetype'); font-weight: 400; font-style: normal; font-display: swap; }
:root {
  --page: #141719; --surface: #1c2022; --product-surface: #bfc4c6; --contact-surface: #1a1e20;
  --ink: #f6f6f3; --soft-ink: #b9c1c4; --line: #41484b; --accent: #f6f6f3;
  --accent-ink: #fff; --button-ink: #141719; --inverse: var(--surface); --inverse-ink: var(--ink);
  --display: Anton, Impact, 'Arial Narrow', sans-serif; color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 1.5rem; }
body { margin: 0; background: var(--page); color: var(--ink); font: 400 1rem/1.55 Arial, Helvetica, sans-serif; }
img { max-width: 100%; height: auto; }
a { color: inherit; }
button { font: inherit; }
.wrap { width: min(100% - 4rem, 1400px); margin-inline: auto; }
.skip-link { position: absolute; top: -10rem; left: 1rem; z-index: 20; padding: .75rem 1rem; background: var(--ink); color: var(--page); }
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }

/* The same directly visible navigation is used on every page. */
.site-header { position: relative; z-index: 3; padding: 24px 32px; }
.page-home .site-header { position: absolute; top: 0; left: 0; right: 0; }
.site-header nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.pill { border-radius: 999px; background: #101315; }
.site-header a { text-decoration: none; }
.site-header .brand { display: flex; align-items: center; gap: 13px; padding: 5px 20px 5px 16px; flex: none; }
.brand img { display: block; width: 76px; height: 44px; object-fit: contain; filter: invert(1); }
.brand span { font-size: 12px; color: var(--soft-ink); }
.nav-products, .nav-brand { display: flex; align-items: center; gap: 3px; padding: 4px 8px; }
.nav-brand { margin-left: auto; border-radius: 999px; background: #101315; }
.nav-products a, .nav-brand a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 13px; white-space: nowrap; font-size: 14px; color: var(--soft-ink); }
.nav-products a { color: var(--ink); }
.site-header a:hover, .site-header a[aria-current="page"] { text-decoration: underline; text-underline-offset: 6px; color: var(--ink); }
.site-header .nav-contact { display: flex; align-items: center; justify-content: center; gap: 20px; min-height: 52px; padding: 0 22px; background: var(--ink); color: var(--page); font-size: 14px; white-space: nowrap; }
.site-header .nav-contact:hover { background: #d9dfdf; color: var(--page); }
.site-header .nav-contact[aria-current="page"] { color: var(--page); }
[hidden] { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.08; letter-spacing: -.025em; }
h1 { font-size: clamp(3.6rem, 6vw, 7.7rem); font-weight: 400; }
h2 { font-size: clamp(2.8rem, 4.7vw, 5.7rem); font-weight: 400; }
h3 { font-size: clamp(1.7rem, 2.2vw, 2.8rem); font-weight: 400; }
em { font-style: normal; color: var(--accent-ink); }
.hero { min-height: min(760px, calc(100dvh - 77px)); display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(260px, .65fr); gap: clamp(2rem, 5vw, 6rem); align-items: center; padding-block: clamp(3rem, 5vw, 5rem); }
.hero-copy { max-width: 870px; }
.hero-kicker { margin-bottom: clamp(1.2rem, 3vw, 2.5rem); font-weight: 700; font-size: .89rem; letter-spacing: .02em; }
.hero h1 { margin-bottom: 1.5rem; max-width: 11ch; }
.hero-intro { max-width: 39ch; color: var(--soft-ink); font-size: clamp(1.15rem, 1.45vw, 1.5rem); line-height: 1.4; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1.4rem; margin-top: 2.2rem; }
.text-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 2rem; min-width: 190px; border-bottom: 2px solid var(--accent); padding-bottom: .65rem; text-decoration: none; font-weight: 700; }
.text-link.quiet { border-color: var(--line); }
.text-link:hover, .inline-link:hover { color: var(--accent-ink); }
.hero-side { min-height: 440px; display: flex; flex-direction: column; justify-content: space-between; padding: 1.2rem 0 0 1.5rem; border-left: 1px solid var(--line); }
.hero-word { color: var(--ink); font-family: Impact, "Arial Narrow", sans-serif; font-size: clamp(5.4rem, 10vw, 12rem); font-weight: 900; line-height: .76; letter-spacing: -.055em; }
.hero-side p { max-width: 18ch; margin: 0; color: var(--soft-ink); font-size: .96rem; }
.product-intro { border-top: 1px solid var(--line); padding-block: 2rem 2.5rem; }
.product-intro-inner { display: grid; grid-template-columns: .8fr 1.2fr auto; gap: 2rem; align-items: end; }
.product-intro h2 { margin: 0; font-size: clamp(1.6rem, 2.1vw, 2.4rem); }
.product-intro p { max-width: 42ch; margin: 0; color: var(--soft-ink); }
.product-intro .inline-link { margin: 0; white-space: nowrap; }

.section { padding-block: clamp(5rem, 10vw, 10rem); }
.section-method { background: var(--inverse); color: var(--inverse-ink); }
.method-layout { display: grid; grid-template-columns: 1.15fr .8fr; gap: clamp(2rem, 8vw, 10rem); align-items: end; }
.method-layout h2 { margin: 0; max-width: 11ch; }
.method-copy p { max-width: 43ch; font-size: clamp(1.1rem, 1.5vw, 1.4rem); line-height: 1.45; }
.inline-link { display: inline-block; margin-top: 1.3rem; border-bottom: 1px solid currentColor; padding-bottom: .25rem; text-decoration: none; font-weight: 700; font-size: .98rem; }
.section-practice > h2 { max-width: 11ch; margin-bottom: clamp(2rem, 5vw, 5rem); }
.practice-layout { display: grid; grid-template-columns: 1.25fr 1fr; gap: clamp(2rem, 6vw, 7rem); }
.practice-lead { min-height: 420px; background: var(--surface); padding: clamp(2rem, 4vw, 5rem); display: flex; flex-direction: column; align-items: flex-start; }
.practice-code { margin-bottom: auto; color: var(--accent-ink); font-size: clamp(3rem, 5vw, 6rem); font-family: Impact, "Arial Narrow", sans-serif; line-height: 1; letter-spacing: -.055em; }
.practice-lead h3 { max-width: 12ch; }
.practice-lead p:not(.practice-code) { max-width: 35ch; }
.practice-secondary { display: grid; align-content: space-between; gap: 3rem; }
.practice-secondary article { border-top: 1px solid var(--line); padding-top: 2rem; }
.practice-secondary h3 { max-width: 16ch; }
.practice-secondary p { max-width: 42ch; color: var(--soft-ink); }
.section-rru { border-top: 1px solid var(--line); }
.rru-layout { display: grid; grid-template-columns: .6fr 1fr; gap: clamp(3rem, 9vw, 10rem); align-items: center; }
.rru-display { font: 900 clamp(7rem, 13vw, 15rem)/.72 Impact, "Arial Narrow", sans-serif; letter-spacing: -.06em; color: var(--accent); }
.rru-layout h2 { margin-bottom: 2rem; }
.rru-layout p { max-width: 46ch; color: var(--soft-ink); font-size: 1.1rem; }
.section-contact { padding-block: clamp(4rem, 7vw, 7rem); display: flex; justify-content: space-between; align-items: end; gap: 3rem; border-top: 1px solid var(--line); }
.section-contact h2 { max-width: 13ch; }
.section-contact p { max-width: 44ch; color: var(--soft-ink); }
.contact-link { display: inline-flex; justify-content: space-between; gap: 2.5rem; min-width: 220px; border-bottom: 2px solid var(--accent); padding: 1rem 0; flex: none; text-decoration: none; font-weight: 700; font-size: 1.1rem; }
.contact-link:hover { color: var(--accent-ink); }
.site-footer { border-top: 1px solid var(--line); padding-block: 2rem; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; font-size: .87rem; }
.footer-inner p { margin: 0; }
.footer-inner a { text-decoration: none; border-bottom: 1px solid currentColor; }

.page-intro { padding-block: clamp(2.5rem, 5vw, 5rem) clamp(4rem, 7vw, 7rem); }
.page-intro.has-art { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: clamp(2rem, 5vw, 5rem); }
.page-intro h1 { text-transform: uppercase; }
.intro-art { margin: 0; min-width: 0; }
.intro-art img { display: block; width: 100%; height: clamp(340px, 35vw, 540px); object-fit: cover; }
.intro-art figcaption { color: var(--soft-ink); font-size: 12px; line-height: 1.5; margin-top: 12px; }
.intro-art.product-image img { object-fit: contain; background: #242a2d; }

/* R&D borrows the homepage's edge-to-edge scene and soft image transitions. */
.page-rd .site-header { position: absolute; inset: 0 0 auto; }
.page-intro.research-hero { position: relative; isolation: isolate; display: flex; align-items: center; min-height: max(760px, 92svh); padding-block: 13rem 8rem; }
.research-hero .intro-copy { width: 52%; max-width: 40rem; }
.research-hero .intro-art { position: absolute; inset: 0; z-index: -1; }
.research-hero .intro-art img { width: 100%; height: 100%; object-fit: cover; object-position: 72% 45%; }
.research-hero .intro-art::after { content: ''; position: absolute; inset: 0; background: linear-gradient(0deg, var(--inverse), transparent 38%), linear-gradient(180deg, rgb(20 23 25 / 65%), transparent 30%), linear-gradient(90deg, rgb(20 23 25 / 94%), rgb(20 23 25 / 80%) 40%, rgb(20 23 25 / 12%) 76%); }
.research-hero .intro-art figcaption { position: absolute; z-index: 1; right: max(3rem, calc((100% - 1344px) / 2)); bottom: 2rem; max-width: 260px; margin: 0; color: #d2d7d8; }
.research-hero .intro-copy > p:last-child { margin-bottom: 0; color: #d2d7d8; }
@media (max-width: 1100px) and (min-width: 768px) {
  .research-hero .intro-copy { width: 56%; }
  .research-hero .intro-art figcaption { right: 2rem; }
}
@media (max-width: 767px) {
  .page-intro.research-hero { min-height: 0; padding-block: 25rem 7.5rem; }
  .research-hero .intro-copy { width: 100%; max-width: 36rem; }
  .research-hero .intro-art img { position: absolute; top: 6rem; height: 600px; object-position: 78% center; mask-image: linear-gradient(180deg, transparent, #000 18%, #000 45%, transparent 100%); }
  .research-hero .intro-art::after { background: linear-gradient(180deg, var(--page) 8rem, transparent 15rem), linear-gradient(0deg, var(--inverse), transparent 32%), linear-gradient(180deg, transparent 28%, rgb(20 23 25 / 74%) 55%, var(--page) 80%); }
  .research-hero .intro-art figcaption { left: 1.25rem; right: 1.25rem; bottom: 2rem; max-width: 300px; }
}

.page-intro h1 { max-width: 14ch; margin-bottom: 1.7rem; }
.page-intro p { max-width: 49ch; color: var(--soft-ink); font-size: clamp(1.15rem, 1.8vw, 1.55rem); line-height: 1.4; }
.page-intro .intro-label { color: var(--accent-ink); font-weight: 700; font-size: .9rem; }
.content-band { background: var(--inverse); color: var(--inverse-ink); padding-block: clamp(5rem, 9vw, 9rem); }
.content-band h2 { max-width: 15ch; }
.content-band p { max-width: 50ch; font-size: 1.12rem; }
.content-band .muted { color: var(--soft-ink); }
.page-section { padding-block: clamp(4rem, 8vw, 8rem); border-top: 1px solid var(--line); }
.page-section h2 { max-width: 16ch; }
.page-section p { max-width: 58ch; color: var(--soft-ink); font-size: 1.08rem; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 4vw, 5rem); margin-top: clamp(3rem, 6vw, 6rem); }
.steps article { border-top: 2px solid var(--accent); padding-top: 1.5rem; }
.steps p { font-size: 1rem; }
.editorial-pair { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 8vw, 8rem); align-items: start; }
.editorial-pair > *:last-child { padding-top: clamp(0rem, 6vw, 7rem); }
.editorial-pair p { max-width: 46ch; }
.scope-list { margin: clamp(2rem, 5vw, 5rem) 0 0; padding: 0; list-style: none; }
.scope-list li { display: grid; grid-template-columns: minmax(170px, .4fr) 1fr; gap: 2rem; border-top: 1px solid var(--line); padding: 1.5rem 0; }
.scope-list strong { font-family: "Arial Narrow", Arial, sans-serif; font-size: clamp(1.6rem, 2vw, 2.3rem); line-height: 1.1; letter-spacing: -.04em; }
.scope-list span { max-width: 56ch; color: var(--soft-ink); }
.fine-print { border-left: 3px solid var(--accent); padding-left: 1.3rem; font-size: .95rem !important; }
.wide-statement { font-family: "Arial Narrow", Arial, sans-serif; font-size: clamp(2.7rem, 5vw, 6rem) !important; line-height: 1.08; letter-spacing: -.05em; color: inherit !important; max-width: 18ch !important; }
.contact-prep { max-width: 760px; }
.contact-prep ul { padding-left: 1.3rem; font-size: 1.08rem; line-height: 1.8; }
.channel-state { margin-top: 3rem; padding: 2rem; border-top: 2px solid var(--accent); background: var(--surface); }
.channel-state h2 { font-size: clamp(1.8rem, 2.5vw, 2.7rem); }
.channel-links { display: flex; flex-wrap: wrap; gap: 1rem; }
.channel-links a { border: 1px solid var(--ink); padding: .85rem 1.3rem; font-weight: 700; text-decoration: none; }
.channel-links a:hover { background: var(--ink); color: var(--page); }
.product-families { display: grid; grid-template-columns: 1.2fr 1fr; gap: 1rem; margin-top: clamp(2rem, 5vw, 5rem); }
.product-families article { min-height: 310px; background: var(--surface); padding: clamp(1.8rem, 3vw, 3rem); display: flex; flex-direction: column; justify-content: space-between; }
.product-families article:last-child { background: transparent; border: 1px solid var(--line); }
.product-families h3 { font-size: clamp(2.6rem, 5vw, 5rem); }
.product-families p { margin: 0; }
.selected-products { padding: 0; margin: clamp(2rem, 5vw, 5rem) 0 0; list-style: none; }
.selected-products li { display: grid; grid-template-columns: .5fr 1fr; gap: 1rem; align-items: baseline; padding: 1.7rem 0; border-top: 1px solid var(--line); }
.selected-products span { color: var(--soft-ink); }
.selected-products strong { font: 800 clamp(1.7rem, 3vw, 3.3rem)/1.1 "Arial Narrow", Arial, sans-serif; letter-spacing: -.04em; }

@media (max-width: 1199px) {
  .header-inner { flex-wrap: wrap; gap: 0; }
  .primary-nav { display: grid; width: 100%; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .25rem .5rem; padding-bottom: .75rem; white-space: normal; }
  .primary-nav a { justify-content: center; text-align: center; font-size: .87rem; line-height: 1.25; padding: .35rem .2rem; }
  .primary-nav .nav-contact { margin-left: 0; padding: .35rem .2rem; }
}
@media (max-width: 760px) {
  .wrap { width: min(100% - 2rem, 1400px); }
  .hero, .method-layout, .practice-layout, .rru-layout, .editorial-pair, .steps, .product-intro-inner, .product-families { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-block: 4rem 5rem; gap: 4rem; }
  .hero h1 { max-width: 12ch; font-size: clamp(3.4rem, 12vw, 5.7rem); }
  .hero-side { min-height: auto; padding: 1rem 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .hero-word { font-size: clamp(5.5rem, 22vw, 9rem); }
  .hero-side p { margin-top: 1.7rem; }
  .product-intro-inner { gap: 1rem; }
  .section { padding-block: 5rem; }
  .method-layout { gap: 2rem; }
  .practice-lead { min-height: 350px; }
  .practice-secondary { gap: 2.5rem; }
  .rru-display { display: none; }
  .section-contact { display: block; }
  .contact-link { margin-top: 2rem; }
  .scope-list li { grid-template-columns: 1fr; gap: .5rem; }
  .selected-products li { grid-template-columns: 1fr; gap: .5rem; }
  .editorial-pair > *:last-child { padding-top: 0; }
  .footer-inner { display: grid; gap: .6rem; }
}
@media (max-width: 420px) {
  .hero-actions { display: grid; }
  .text-link { min-width: 0; width: 100%; }
  .primary-nav { gap: .25rem; }
  .primary-nav a { font-size: .82rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* All page sections share the same light/dark theme. Layer 20: skip link. */
.contact-page-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 4rem; padding-bottom: 5rem; }
.contact-page-grid .page-intro { padding-bottom: 0; }
.contact-page-grid .page-intro h1 { font-size: clamp(3rem, 5vw, 5.5rem); }
.direct-channel-list { align-self: center; padding-top: 2rem; }
.direct-channel-list a { display: block; padding-block: 1.4rem; border-bottom: 1px solid var(--line); text-decoration: none; }
.direct-channel-list a span { display: block; font-weight: 700; color: var(--accent-ink); }
.direct-channel-list strong { display: block; font-size: clamp(1.2rem, 2vw, 2rem); font-weight: 500; margin-top: .5rem; overflow-wrap: anywhere; }
.direct-channel-list a:hover strong { text-decoration: underline; text-underline-offset: 5px; }
.direct-channel-list p { color: var(--soft-ink); font-size: .9rem; margin-top: 1.5rem; }
@media (max-width: 767px) { .contact-page-grid { grid-template-columns: 1fr; gap: 1rem; padding-bottom: 4rem; } }

/* Shared spacing and typography continue below the homepage hero. */
body { -webkit-font-smoothing: antialiased; }
.wrap { width: min(100% - 6rem, 1344px); }
.intro-label { text-transform: uppercase; letter-spacing: .1em; }
.site-footer { color: var(--soft-ink); }
.site-footer a { display: inline-flex; align-items: center; min-height: 44px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.page-home h2 { font-family: var(--display); font-weight: 400; letter-spacing: -.025em; }
.page-home h3 { font-family: Arial, Helvetica, sans-serif; }
.product-panel { --ink: #141719; --soft-ink: #374247; --accent-ink: #141719; color: var(--ink); }
.text-link, .inline-link { min-height: 44px; }
@media (max-width: 1199px) {
  .site-header { padding: 20px; }
  .site-header nav { gap: 10px; }
  .site-header .brand { padding-inline: 12px; gap: 8px; }
  .brand img { width: 64px; }
  .nav-products a, .nav-brand a { padding-inline: 10px; }
  .wrap { width: calc(100% - 4rem); }
}
@media (max-width: 1100px) {
  .site-header nav { display: grid; grid-template-columns: 1fr auto; gap: 12px; }
  .site-header .brand { justify-self: start; grid-row: 1; }
  .site-header .nav-contact { grid-column: 2; grid-row: 1; }
  .nav-products { grid-column: 1; grid-row: 2; justify-self: start; }
  .nav-brand { grid-column: 2; grid-row: 2; margin: 0; }
}
@media (max-width: 767px) {
  .page-intro.has-art { grid-template-columns: 1fr; gap: 2rem; }
  .page-intro h1 { font-size: clamp(3rem, 12vw, 5rem); }
  .wrap { width: calc(100% - 2.5rem); }
  .intro-art img { height: 340px; }
}
@media (max-width: 600px) {
  .site-header { padding: 16px 18px 0; }
  .site-header nav { gap: 8px; }
  .site-header .nav-contact { padding-inline: 16px; gap: 12px; }
  .nav-products { grid-column: 1 / -1; grid-row: 2; width: 100%; justify-content: space-between; padding: 2px 6px; }
  .nav-brand { grid-column: 1 / -1; grid-row: 3; justify-content: space-between; padding: 0 6px; background: transparent; }
  .nav-products a, .nav-brand a { padding-inline: 8px; font-size: 14px; }
}