:root {
  --red: #e31e24;
  --red-dark: #c9161c;
  --ink: #101312;
  --graphite: #171a19;
  --muted: #676c69;
  --paper: #f4f4f0;
  --white: #fff;
  --line: rgba(16, 19, 18, .14);
  --gutter: clamp(1.25rem, 5.45vw, 6rem);
  --section-space: clamp(5.5rem, 9vw, 10rem);
  --font: "Segoe UI Variable Display", "Segoe UI Variable Text", "Aptos", "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--font); font-size: 1rem; line-height: 1.55; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
img { display: block; max-width: 100%; }
.shell { width: 100%; padding-inline: var(--gutter); }
.section { padding-block: var(--section-space); }
.skip-link { position: fixed; z-index: 1000; top: .75rem; left: .75rem; padding: .75rem 1rem; color: var(--white); background: var(--red); transform: translateY(-150%); transition: transform .2s; }
.skip-link:focus { transform: translateY(0); }
.eyebrow { margin: 0; font-size: .75rem; font-weight: 600; letter-spacing: .18em; line-height: 1.2; text-transform: uppercase; }
.eyebrow.red { color: var(--red); }
.button { min-height: 3.35rem; padding: .9rem 1.15rem; display: inline-flex; align-items: center; justify-content: space-between; gap: 1.8rem; border: 1px solid transparent; font-size: .86rem; font-weight: 600; letter-spacing: -.01em; transition: color .25s, background .25s, border-color .25s, transform .25s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--red); }
.button-primary:hover { background: var(--red-dark); }
.button-ghost { color: var(--white); border-color: rgba(255,255,255,.55); background: rgba(8,10,9,.12); backdrop-filter: blur(8px); }
.button-ghost:hover { color: var(--ink); background: var(--white); border-color: var(--white); }
.text-link { display: inline-flex; align-items: center; gap: .65rem; padding-block: .65rem; border-bottom: 1px solid currentColor; font-size: .88rem; font-weight: 550; }
.text-link.light { color: var(--white); }

.site-header { position: fixed; z-index: 100; top: 0; left: 0; right: 0; color: var(--white); border-bottom: 1px solid rgba(255,255,255,.25); transition: background .3s, border-color .3s, transform .3s; }
.site-header.scrolled { background: rgba(12,15,14,.92); border-color: rgba(255,255,255,.1); backdrop-filter: blur(16px); }
.header-inner { height: 6.75rem; display: flex; align-items: center; gap: 2.5rem; }
.brand { width: 9.15rem; flex: 0 0 auto; }
.brand img { width: 100%; height: auto; }
.desktop-nav { margin-left: auto; display: flex; align-items: center; gap: clamp(1.5rem, 2.5vw, 3rem); }
.desktop-nav a { position: relative; padding-block: .6rem; font-size: .82rem; font-weight: 550; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: .3rem; height: 1px; background: var(--red); transition: right .25s; }
.desktop-nav a:hover::after { right: 0; }
.header-cta { min-height: 2.9rem; padding: .72rem .8rem .72rem 1rem; display: inline-flex; align-items: center; gap: 1.3rem; border: 1px solid rgba(255,255,255,.55); font-size: .8rem; font-weight: 600; }
.header-cta svg { width: 1.1rem; fill: none; stroke: currentColor; stroke-width: 1.5; }
.header-cta:hover { color: var(--ink); background: var(--white); border-color: var(--white); }
.menu-toggle { width: 2.8rem; height: 2.8rem; margin-left: auto; padding: .75rem; display: none; align-items: center; justify-content: center; flex-direction: column; gap: .38rem; color: inherit; background: transparent; border: 1px solid rgba(255,255,255,.45); }
.menu-toggle span { width: 100%; height: 1px; background: currentColor; transition: transform .25s; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(.21rem) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-.21rem) rotate(-45deg); }
.mobile-menu { position: fixed; inset: 0; z-index: -1; padding: 9rem var(--gutter) 3rem; color: var(--white); background: var(--ink); }
.mobile-menu nav { display: grid; }
.mobile-menu nav a { display: flex; align-items: baseline; gap: 1rem; padding-block: .85rem; border-bottom: 1px solid rgba(255,255,255,.14); font-size: clamp(2rem, 9vw, 3.6rem); font-weight: 450; letter-spacing: -.05em; }
.mobile-menu nav a span { color: var(--red); font-size: .72rem; letter-spacing: .12em; }
.mobile-menu-contact { margin-top: 2.5rem; display: grid; gap: .5rem; color: rgba(255,255,255,.66); font-size: .9rem; }

.hero { position: relative; min-height: max(46rem, 100svh); color: var(--white); overflow: hidden; background: #0b1722; }
.hero-media { position: absolute; inset: 0; background: url("assets/hero.jpg") 51% center / cover no-repeat; transform: scale(1.01); animation: hero-in 1.3s cubic-bezier(.2,.7,.2,1) both; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,12,17,.88) 0%, rgba(5,12,17,.68) 36%, rgba(5,12,17,.2) 67%, rgba(5,12,17,.08) 100%), linear-gradient(0deg, rgba(5,8,8,.72) 0%, transparent 34%, rgba(5,8,8,.22) 100%); }
.hero-content { position: relative; z-index: 2; min-height: max(46rem, 100svh); padding-top: clamp(11rem, 23vh, 14.5rem); padding-bottom: 9.5rem; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.hero-eyebrow { margin-bottom: 1.8rem; color: rgba(255,255,255,.68); }
.hero h1 { max-width: 9ch; margin: 0; font-size: clamp(4rem, 7.9vw, 8.2rem); font-weight: 560; letter-spacing: -.065em; line-height: .84; }
.hero h1 span { color: var(--red); }
.hero-lead { max-width: 37rem; margin: 2.2rem 0 0; color: rgba(255,255,255,.78); font-size: clamp(1rem, 1.35vw, 1.22rem); line-height: 1.6; }
.hero-actions { margin-top: 2.1rem; display: flex; align-items: center; gap: 1.8rem; }
.hero-foot { position: absolute; z-index: 3; left: 0; right: 0; bottom: 0; min-height: 6rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; border-top: 1px solid rgba(255,255,255,.24); background: rgba(5,8,8,.14); backdrop-filter: blur(4px); }
.hero-signature { display: flex; align-items: baseline; gap: 1rem; }
.hero-signature strong { font-size: .82rem; font-weight: 620; }
.hero-signature span { color: rgba(255,255,255,.55); font-size: .74rem; }
.video-link { display: flex; align-items: center; gap: .75rem; font-size: .78rem; font-weight: 550; }
.play-dot { width: 2rem; height: 2rem; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.52); border-radius: 50%; font-size: .5rem; }
@keyframes hero-in { from { opacity: .25; transform: scale(1.055); } to { opacity: 1; transform: scale(1.01); } }

.service-ribbon { padding-inline: var(--gutter); color: var(--white); background: var(--red); overflow: hidden; }
.ribbon-track { min-height: 4.75rem; display: flex; align-items: center; gap: clamp(1.15rem, 2vw, 2.6rem); white-space: nowrap; }
.ribbon-track span { font-size: .78rem; font-weight: 620; letter-spacing: .02em; }
.ribbon-track i { width: .26rem; height: .26rem; flex: 0 0 auto; border: 1px solid currentColor; transform: rotate(45deg); }

.manifesto { background: var(--paper); }
.manifesto-head { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(18rem, .72fr); gap: 4rem; align-items: end; padding-bottom: clamp(4rem, 7vw, 7rem); }
.manifesto h2, .process h2, .about h2, .product-lines h2, .faq h2 { margin: 1.3rem 0 0; font-size: clamp(2.65rem, 5.35vw, 5.5rem); font-weight: 390; letter-spacing: -.06em; line-height: .98; }
.manifesto h2 span, .process h2 span { color: #858a87; }
.section-intro { max-width: 31rem; margin: 0; color: var(--muted); font-size: clamp(1rem, 1.2vw, 1.15rem); }
.principles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.principle { min-height: 18rem; padding: 1.35rem 1.6rem 1.6rem 0; border-right: 1px solid var(--line); }
.principle + .principle { padding-left: 1.6rem; }
.principle:last-child { border-right: 0; }
.principle-no { color: var(--red); font-size: .7rem; letter-spacing: .12em; }
.principle h3 { margin: clamp(3.5rem, 6vw, 6rem) 0 .8rem; font-size: clamp(1.25rem, 1.6vw, 1.55rem); font-weight: 520; letter-spacing: -.03em; }
.principle p { max-width: 22rem; margin: 0; color: var(--muted); font-size: .91rem; }

.services { color: var(--white); background: var(--ink); }
.section-kicker { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid rgba(255,255,255,.15); }
.section-kicker > p:last-child { margin: 0; color: rgba(255,255,255,.52); font-size: .82rem; }
.services-heading { padding-block: clamp(3rem, 5.5vw, 5.5rem); display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(17rem, .55fr); gap: 4rem; align-items: end; }
.services-heading h2 { max-width: 14ch; margin: 0; font-size: clamp(2.7rem, 5vw, 5.15rem); font-weight: 390; letter-spacing: -.06em; line-height: .98; }
.services-heading p { margin: 0; color: rgba(255,255,255,.58); }
.service-explorer { display: grid; grid-template-columns: minmax(19rem, .82fr) minmax(0, 1.6fr); min-height: 42rem; border: 1px solid rgba(255,255,255,.16); }
.service-tabs { display: flex; flex-direction: column; }
.service-tabs button { position: relative; flex: 1 1 0; min-height: 5.25rem; padding: 1.1rem 1.45rem; display: grid; grid-template-columns: 2rem 1fr auto; gap: .85rem; align-items: center; color: rgba(255,255,255,.48); text-align: left; background: transparent; border: 0; border-bottom: 1px solid rgba(255,255,255,.13); cursor: pointer; transition: color .25s, background .25s; }
.service-tabs button:last-child { border-bottom: 0; }
.service-tabs button::before { content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 3px; background: var(--red); transform: scaleY(0); transform-origin: bottom; transition: transform .3s; }
.service-tabs button[aria-selected="true"] { color: var(--white); background: rgba(255,255,255,.045); }
.service-tabs button[aria-selected="true"]::before { transform: scaleY(1); }
.service-tabs span { font-size: .68rem; letter-spacing: .12em; }
.service-tabs strong { font-size: clamp(1rem, 1.3vw, 1.2rem); font-weight: 520; }
.service-tabs i { font-style: normal; opacity: 0; transform: translate(-.25rem,.25rem); transition: opacity .25s, transform .25s; }
.service-tabs button[aria-selected="true"] i { opacity: 1; transform: translate(0,0); }
.service-stage { position: relative; min-height: 42rem; overflow: hidden; }
.service-stage > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: opacity .28s, transform .7s; }
.service-stage:hover > img { transform: scale(1.018); }
.service-stage.is-switching > img { opacity: .25; }
.service-stage-shade { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(8,10,9,.92) 0%, rgba(8,10,9,.44) 55%, rgba(8,10,9,.05) 100%); }
.service-stage-copy { position: absolute; z-index: 1; left: 0; right: 0; bottom: 0; padding: clamp(1.5rem, 4vw, 4rem); }
.service-stage-copy .eyebrow { color: rgba(255,255,255,.6); }
.service-stage-copy h3 { margin: .85rem 0 .9rem; font-size: clamp(2.4rem, 4.2vw, 4.7rem); font-weight: 430; letter-spacing: -.055em; line-height: .95; }
.service-stage-copy > p:not(.eyebrow) { max-width: 42rem; margin: 0; color: rgba(255,255,255,.72); }
.service-stage-copy ul { margin: 1.35rem 0 1.5rem; padding: 0; display: flex; flex-wrap: wrap; gap: .55rem; list-style: none; }
.service-stage-copy li { padding: .45rem .7rem; border: 1px solid rgba(255,255,255,.28); font-size: .72rem; }

.process { background: #eaebe6; }
.process-head { padding-bottom: clamp(3rem, 6vw, 6rem); }
.process-head h2 { max-width: 14ch; }
.process-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.process-card { background: var(--paper); }
.process-image { aspect-ratio: 1.35; overflow: hidden; }
.process-image img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.82); transition: transform .7s, filter .4s; }
.process-card:hover img { transform: scale(1.018); filter: saturate(1); }
.process-copy { min-height: 13rem; padding: 1.6rem; display: grid; grid-template-columns: 2.2rem 1fr; gap: 1rem; }
.process-copy > span { color: var(--red); font-size: .68rem; letter-spacing: .12em; }
.process-copy h3 { margin: 0 0 .7rem; font-size: 1.3rem; font-weight: 540; letter-spacing: -.03em; }
.process-copy p { margin: 0; color: var(--muted); font-size: .9rem; }

.about { color: var(--white); background: var(--graphite); }
.about-grid { display: grid; grid-template-columns: minmax(20rem, .95fr) minmax(0, 1.08fr); gap: clamp(4rem, 9vw, 10rem); align-items: start; }
.about-sticky { position: sticky; top: 10rem; }
.about h2 { max-width: 10ch; }
.about-content { padding-top: 1.8rem; }
.about-content > p { max-width: 43rem; color: rgba(255,255,255,.58); font-size: clamp(1rem, 1.2vw, 1.12rem); }
.about-content .about-lead { margin-top: 0; color: var(--white); font-size: clamp(1.5rem, 2.3vw, 2.25rem); line-height: 1.35; letter-spacing: -.035em; }
.team-portrait { margin: 3rem 0 0; }
.team-portrait img { width: 100%; height: auto; filter: contrast(1.04); }
.team-portrait figcaption { margin-top: .7rem; color: rgba(255,255,255,.4); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; }
.about-values { margin-top: 3.5rem; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid rgba(255,255,255,.15); }
.about-values span { padding: 1.1rem 0; border-bottom: 1px solid rgba(255,255,255,.15); color: rgba(255,255,255,.8); font-size: .82rem; }
.about-values span:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.15); }
.about-values span:nth-child(even) { padding-left: 1.1rem; }

.product-lines { background: var(--paper); }
.product-head { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(18rem, .55fr); gap: 4rem; align-items: end; padding-bottom: 4rem; }
.product-head h2 { max-width: 13ch; }
.product-head > p { margin: 0; color: var(--muted); }
.product-list { border-top: 1px solid var(--line); }
.product-list a { min-height: 8rem; padding-block: 1.5rem; display: grid; grid-template-columns: clamp(3rem, 8vw, 8rem) 1fr auto; align-items: center; border-bottom: 1px solid var(--line); transition: color .25s, padding .25s; }
.product-list a:hover { color: var(--red); padding-inline: 1rem; }
.product-list span { color: var(--red); font-size: .7rem; letter-spacing: .12em; }
.product-list strong { font-size: clamp(1.6rem, 3vw, 3.2rem); font-weight: 420; letter-spacing: -.045em; }
.product-list i { width: 3rem; height: 3rem; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; font-style: normal; }

.faq { background: #eaebe6; }
.faq-grid { display: grid; grid-template-columns: minmax(18rem, .74fr) minmax(0, 1.2fr); gap: clamp(4rem, 8vw, 9rem); }
.faq-head > p:last-child { max-width: 23rem; margin-top: 2rem; color: var(--muted); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { min-height: 6.1rem; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; cursor: pointer; list-style: none; font-size: clamp(1.05rem, 1.5vw, 1.3rem); font-weight: 510; letter-spacing: -.025em; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { position: relative; width: 1.25rem; height: 1.25rem; flex: 0 0 auto; }
.faq-list summary span::before, .faq-list summary span::after { content: ""; position: absolute; top: 50%; left: 0; width: 100%; height: 1px; background: currentColor; transition: transform .25s; }
.faq-list summary span::after { transform: rotate(90deg); }
.faq-list details[open] summary span::after { transform: rotate(0); }
.faq-list details p { max-width: 47rem; margin: -1rem 3rem 2rem 0; color: var(--muted); }

.contact { position: relative; min-height: 54rem; padding-block: clamp(7rem, 12vw, 12rem); display: flex; align-items: center; color: var(--white); overflow: hidden; background: #091119; }
.contact-media { position: absolute; inset: 0; background: url("assets/scada.jpg") center 44% / cover no-repeat; filter: saturate(.72); }
.contact-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6,10,12,.94) 0%, rgba(6,10,12,.78) 46%, rgba(6,10,12,.34) 100%), linear-gradient(0deg, rgba(6,10,12,.72), transparent 60%); }
.contact-inner { position: relative; z-index: 1; }
.contact h2 { max-width: 12ch; margin: 1.3rem 0 1.5rem; font-size: clamp(3rem, 6vw, 6.5rem); font-weight: 410; letter-spacing: -.065em; line-height: .93; }
.contact-lead { max-width: 36rem; color: rgba(255,255,255,.67); font-size: 1.05rem; }
.contact-actions { margin-top: 2rem; display: flex; gap: .75rem; }
.contact-details { margin-top: clamp(4rem, 8vw, 8rem); max-width: 72rem; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border-top: 1px solid rgba(255,255,255,.22); }
.contact-details > * { padding: 1.4rem 1.2rem 0 0; display: grid; gap: .35rem; }
.contact-details small { color: rgba(255,255,255,.48); font-size: .67rem; letter-spacing: .12em; text-transform: uppercase; }
.contact-details strong { font-size: .85rem; font-weight: 520; }

.site-footer { padding: 4.5rem 0 1.5rem; color: var(--white); background: var(--ink); }
.footer-top { display: flex; justify-content: space-between; gap: 4rem; padding-bottom: 4rem; }
.footer-brand img { width: 7.25rem; }
.footer-brand p { margin: 1rem 0 0; color: rgba(255,255,255,.44); font-size: .76rem; }
.footer-links { display: grid; grid-template-columns: repeat(2,minmax(11rem,1fr)); gap: 5rem; }
.footer-links > div { display: grid; align-content: start; gap: .55rem; }
.footer-links small { margin-bottom: .55rem; color: rgba(255,255,255,.38); font-size: .65rem; letter-spacing: .14em; text-transform: uppercase; }
.footer-links a { color: rgba(255,255,255,.74); font-size: .82rem; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { padding-top: 1.4rem; display: flex; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.13); color: rgba(255,255,255,.38); font-size: .68rem; }
.floating-service { position: fixed; z-index: 80; right: 1.25rem; bottom: 1.25rem; min-height: 3rem; padding: .5rem .55rem .5rem .9rem; display: flex; align-items: center; gap: .75rem; color: var(--white); background: var(--red); box-shadow: 0 14px 34px rgba(0,0,0,.2); font-size: .75rem; font-weight: 620; }
.floating-service svg { width: 2rem; height: 2rem; padding: .35rem; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.35; border: 1px solid rgba(255,255,255,.45); border-radius: 50%; }

.reveal { opacity: 0; transform: translateY(1.25rem); transition: opacity .75s cubic-bezier(.2,.7,.2,1), transform .75s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }

@media (max-width: 1020px) {
  .desktop-nav, .header-cta { display: none; }
  .menu-toggle { display: flex; }
  .header-inner { height: 5.8rem; }
  .brand { width: 7.6rem; }
  .hero { min-height: max(44rem, 100svh); }
  .hero-content { min-height: max(44rem, 100svh); padding-top: 9rem; }
  .manifesto-head, .services-heading, .product-head { grid-template-columns: 1fr; gap: 2rem; }
  .principles { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .principle:nth-child(2) { border-right: 0; }
  .principle:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .service-explorer { grid-template-columns: 17rem 1fr; }
  .service-tabs button { padding-inline: 1rem; }
  .process-grid { grid-template-columns: 1fr; }
  .process-card { display: grid; grid-template-columns: .85fr 1.15fr; }
  .process-image { aspect-ratio: auto; min-height: 18rem; }
  .about-grid { gap: 4rem; }
  .faq-grid { grid-template-columns: 1fr; gap: 4rem; }
  .contact-details { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 740px) {
  :root { --gutter: 1.25rem; --section-space: 5.5rem; }
  .header-inner { height: 5.25rem; }
  .brand { width: 6.85rem; }
  .menu-toggle { width: 2.55rem; height: 2.55rem; }
  .hero { min-height: 47rem; }
  .hero-media { background-position: 62% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(5,12,17,.9) 0%, rgba(5,12,17,.6) 69%, rgba(5,12,17,.32) 100%), linear-gradient(0deg, rgba(5,8,8,.88) 0%, transparent 48%, rgba(5,8,8,.35) 100%); }
  .hero-content { min-height: 47rem; padding-top: 8rem; padding-bottom: 8.5rem; justify-content: center; }
  .hero h1 { font-size: clamp(4.2rem, 20vw, 6.1rem); line-height: .87; }
  .hero-lead { max-width: 30rem; font-size: .97rem; }
  .hero-actions { width: 100%; align-items: stretch; flex-direction: column; gap: .6rem; }
  .hero-actions .button { width: 100%; }
  .hero-actions .text-link { width: max-content; }
  .hero-foot { min-height: 4.9rem; }
  .hero-signature span { display: none; }
  .video-link { font-size: 0; gap: .5rem; }
  .video-link::after { content: "İzleyin ↗"; font-size: .73rem; }
  .video-link > span:last-child { display: none; }
  .ribbon-track { min-height: 4.25rem; width: max-content; animation: ribbon 22s linear infinite alternate; }
  @keyframes ribbon { to { transform: translateX(calc(-100% + 100vw - 2.5rem)); } }
  .manifesto h2, .process h2, .about h2, .product-lines h2, .faq h2 { font-size: clamp(2.45rem, 12vw, 4rem); }
  .manifesto-head { padding-bottom: 3.5rem; }
  .principles { grid-template-columns: 1fr; }
  .principle, .principle + .principle { min-height: auto; padding: 1.2rem 0 2rem; border-right: 0; border-bottom: 1px solid var(--line); }
  .principle h3 { margin: 2.2rem 0 .6rem; }
  .services-heading h2 { font-size: clamp(2.5rem, 11vw, 4rem); }
  .section-kicker > p:last-child { display: none; }
  .service-explorer { display: flex; min-height: 0; flex-direction: column; border: 0; }
  .service-tabs { order: 2; }
  .service-tabs button { min-height: 4.8rem; flex: none; border-left: 1px solid rgba(255,255,255,.16); border-right: 1px solid rgba(255,255,255,.16); }
  .service-stage { order: 1; min-height: 34rem; margin-bottom: 1px; }
  .service-stage-copy { padding: 1.4rem; }
  .service-stage-copy h3 { font-size: 2.75rem; }
  .service-stage-copy .button { width: 100%; }
  .process-card { display: block; }
  .process-image { aspect-ratio: 1.22; min-height: 0; }
  .process-copy { min-height: 12rem; padding: 1.25rem; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-sticky { position: static; }
  .about-content { padding-top: 0; }
  .about-content .about-lead { font-size: 1.45rem; }
  .about-values { grid-template-columns: 1fr; }
  .about-values span:nth-child(odd) { border-right: 0; }
  .about-values span:nth-child(even) { padding-left: 0; }
  .product-list a { min-height: 6.5rem; grid-template-columns: 2.5rem 1fr auto; }
  .product-list strong { font-size: 1.5rem; }
  .product-list i { width: 2.3rem; height: 2.3rem; }
  .faq-list summary { min-height: 5.5rem; }
  .contact { min-height: 50rem; }
  .contact h2 { font-size: clamp(3rem, 14.5vw, 5rem); }
  .contact-actions { flex-direction: column; }
  .contact-actions .button { width: 100%; }
  .contact-details { grid-template-columns: 1fr; }
  .contact-details > * { padding-block: 1rem; border-bottom: 1px solid rgba(255,255,255,.16); }
  .footer-top { flex-direction: column; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: .4rem; }
  .floating-service span { display: none; }
  .floating-service { width: 3.25rem; height: 3.25rem; padding: .55rem; border-radius: 50%; }
  .floating-service svg { width: 100%; height: 100%; border: 0; }
}

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

@media (min-width: 1500px) {
  :root { --gutter: max(6rem, calc((100vw - 1440px) / 2 + 4.5rem)); }
}