:root {
  --ink: #101914;
  --forest: #173a2e;
  --forest-deep: #0c2119;
  --moss: #536353;
  --clay: #c46d3f;
  --copper-light: #e29a6d;
  --paper: #ede8dc;
  --paper-deep: #d9d2c0;
  --white: #fcfaf3;
  --line: rgba(16, 25, 20, 0.17);
  --serif: Iowan Old Style, Palatino Linotype, Book Antiqua, Palatino, Georgia, serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: clamp(3.45rem, 7.5vw, 8.7rem);
  --page-x: clamp(1.25rem, 4.6vw, 5.4rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.sr-only, .skip-link:not(:focus) { 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:focus { position: fixed; z-index: 100; top: 1rem; left: 1rem; padding: .75rem 1rem; color: var(--white); background: var(--forest); }

.weather-strip { height: 31px; display: flex; align-items: center; gap: .7rem; padding: 0 var(--page-x); background: var(--forest-deep); color: rgba(252,250,243,.72); font-size: .62rem; font-weight: 700; line-height: 1; letter-spacing: .105em; text-transform: uppercase; }
.weather-strip a { color: var(--copper-light); }
.weather-strip__divider { height: 10px; width: 1px; background: rgba(255,255,255,.28); }
.weather-strip__availability { margin-left: auto; color: var(--white); }

.site-header { position: absolute; z-index: 20; top: 31px; left: 0; right: 0; height: 88px; display: flex; align-items: center; padding: 0 var(--page-x); color: var(--white); border-bottom: 1px solid rgba(255,255,255,.22); transition: .35s ease; }
.site-header.is-scrolled { position: fixed; top: 0; height: 74px; background: rgba(12,33,25,.94); backdrop-filter: blur(16px); border-color: rgba(255,255,255,.1); }
.brand { display: inline-flex; align-items: center; gap: .76rem; min-width: 180px; }
.brand__seal { width: 38px; height: 38px; flex: none; overflow: hidden; background: var(--white); border-radius: 50%; padding: 2px; }
.brand__seal img { width: 100%; height: 100%; object-fit: cover; mix-blend-mode: multiply; }
.brand__type { display: grid; font-family: var(--serif); font-size: 1.2rem; line-height: .84; letter-spacing: -.05em; }
.brand__type small { margin-top: .34rem; font-family: var(--sans); font-size: .48rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
.desktop-nav { display: flex; align-items: center; gap: clamp(1.25rem, 3vw, 3.25rem); margin-left: auto; margin-right: clamp(1.25rem, 3vw, 3.6rem); }
.desktop-nav a, .header-cta { font-size: .68rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.desktop-nav a { position: relative; color: rgba(255,255,255,.82); }
.desktop-nav a::after { content: ""; position: absolute; width: 0; height: 1px; left: 0; bottom: -7px; background: var(--copper-light); transition: width .25s ease; }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { width: 100%; }
.header-cta { display: inline-flex; gap: 1.1rem; align-items: center; padding: .9rem 1.1rem .9rem 1.35rem; border: 1px solid rgba(255,255,255,.55); color: var(--white); background: transparent; transition: .25s ease; }
.header-cta:hover, .header-cta:focus-visible { background: var(--white); color: var(--forest-deep); }
.header-cta span { font-size: 1.1rem; line-height: .4; }
.menu-toggle { display: none; margin-left: auto; padding: .6rem 0 .6rem .8rem; border: 0; background: none; }
.menu-toggle span:not(.sr-only) { display: block; width: 24px; height: 1px; margin: 5px 0; background: currentColor; transition: transform .25s ease; }
.menu-toggle.is-active span:nth-child(2) { transform: translateY(3px) rotate(45deg); }
.menu-toggle.is-active span:nth-child(3) { transform: translateY(-3px) rotate(-45deg); }

.mobile-menu { position: fixed; z-index: 19; inset: 0; padding: 125px var(--page-x) 2rem; color: var(--white); background: var(--forest-deep); }
.mobile-menu[hidden] { display: none; }
.mobile-menu__inner { display: flex; min-height: 100%; flex-direction: column; }
.mobile-menu .eyebrow { margin: 0 0 2rem; }
.mobile-menu nav { display: grid; border-top: 1px solid rgba(255,255,255,.25); }
.mobile-menu nav a { display: flex; justify-content: space-between; padding: 1.25rem 0; font-family: var(--serif); font-size: clamp(2rem, 10vw, 3rem); letter-spacing: -.065em; border-bottom: 1px solid rgba(255,255,255,.25); }
.mobile-menu nav span { align-self: center; font-family: var(--sans); font-size: .62rem; letter-spacing: .12em; }
.mobile-menu__inner > p:not(.eyebrow) { max-width: 23rem; margin: auto 0 1.3rem; font-family: var(--serif); font-size: 1.25rem; line-height: 1.2; color: rgba(255,255,255,.7); }

.hero { position: relative; min-height: max(740px, calc(100vh - 31px)); color: var(--white); overflow: hidden; isolation: isolate; }
.hero__media, .material-story__image, .work__image { background-image: linear-gradient(90deg, rgba(5,16,10,.62) 0%, rgba(5,16,10,.21) 59%, rgba(5,16,10,.16) 100%), url("assets/roofing-hero.png"); background-size: cover; background-position: center; }
.hero__media { position: absolute; z-index: -2; inset: 0; transform: scale(1.015); animation: breathe 18s ease-out infinite alternate; }
.hero__grain { position: absolute; z-index: -1; inset: 0; pointer-events: none; opacity: .18; mix-blend-mode: soft-light; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E"); }
.hero::after { content: ""; position: absolute; z-index: -1; inset: auto 0 0; height: 42%; background: linear-gradient(transparent, rgba(4,12,8,.54)); }
.hero__topline, .hero__foot { position: absolute; right: var(--page-x); left: var(--page-x); display: flex; justify-content: space-between; font-size: .62rem; font-weight: 700; line-height: 1.4; letter-spacing: .1em; text-transform: uppercase; }
.hero__topline { top: 147px; color: rgba(255,255,255,.7); }
.hero__content { position: relative; padding: clamp(13rem, 25vh, 16.2rem) var(--page-x) 8rem; }
.hero__kicker { margin: 0 0 1.6rem; font-family: var(--serif); font-size: clamp(1rem, 1.5vw, 1.34rem); line-height: 1.25; color: rgba(255,255,255,.82); }
.hero__title { max-width: 1050px; margin: 0; font-family: var(--serif); font-size: var(--display); font-weight: 400; line-height: .82; letter-spacing: -.076em; text-wrap: balance; }
.hero__title em, .assessment h2 em { color: var(--copper-light); font-weight: 400; }
.hero__actions { display: flex; align-items: center; gap: 1.55rem; margin-top: clamp(2rem, 4vw, 3.8rem); }
.button { display: inline-flex; align-items: center; justify-content: space-between; min-height: 58px; gap: 2rem; padding: 0 1.2rem 0 1.45rem; border: 1px solid transparent; font-size: .67rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; transition: color .25s ease, background .25s ease, border .25s ease, transform .25s ease; }
.button:hover { transform: translateY(-2px); }
.button span { font-size: 1.15rem; line-height: 1; }
.button--copper { color: var(--white); background: var(--clay); }
.button--copper:hover { background: var(--copper-light); color: var(--forest-deep); }
.hero__phone { padding-bottom: .15rem; border-bottom: 1px solid rgba(255,255,255,.45); font-size: .67rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.hero__phone span { margin-right: .35rem; color: rgba(255,255,255,.58); }
.hero__foot { bottom: 2.2rem; align-items: end; }
.hero__foot p { max-width: 270px; margin: 0; color: rgba(255,255,255,.7); }
.scroll-cue { display: inline-flex; align-items: center; gap: .7rem; padding-bottom: .45rem; border-bottom: 1px solid rgba(255,255,255,.55); }
.scroll-cue i { font-style: normal; font-size: 1.2rem; }
.hero__coordinates { color: rgba(255,255,255,.5); }

.intro { position: relative; display: grid; grid-template-columns: minmax(100px, .55fr) minmax(0, 2.25fr) minmax(190px, .75fr); gap: 2rem; padding: clamp(6rem, 13vw, 12rem) var(--page-x) clamp(6rem, 10vw, 9.5rem); }
.section-label { display: flex; gap: .65rem; color: var(--moss); font-size: .61rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.section-label span:first-child { color: var(--clay); }
.intro__overline, .eyebrow { margin: 0; color: var(--moss); font-size: .62rem; font-weight: 800; letter-spacing: .135em; line-height: 1.5; text-transform: uppercase; }
.display-copy { max-width: 870px; margin: 1.1rem 0 0; font-family: var(--serif); font-size: clamp(2.7rem, 5.1vw, 5.5rem); font-weight: 400; line-height: .93; letter-spacing: -.071em; }
.intro__detail { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: end; max-width: 790px; margin: 2.9rem 0 0; }
.intro__detail p { max-width: 455px; margin: 0; font-size: .92rem; line-height: 1.65; color: #3b453d; }
.text-link { display: inline-flex; align-items: center; gap: .4rem; padding-bottom: .32rem; border-bottom: 1px solid currentColor; font-size: .67rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.text-link i { font-style: normal; font-size: 1rem; }
.text-link--dark { color: var(--forest); }
.intro__proof { align-self: end; display: grid; gap: 1.2rem; padding-top: 1rem; }
.intro__proof div { display: grid; gap: .28rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.intro__proof strong { font-family: var(--serif); font-size: 2.75rem; font-weight: 400; line-height: .85; letter-spacing: -.06em; }
.intro__proof span { color: var(--moss); font-size: .62rem; font-weight: 750; line-height: 1.4; letter-spacing: .08em; text-transform: uppercase; }

.material-story { display: grid; grid-template-columns: 1.34fr .66fr; min-height: 680px; background: var(--forest); }
.material-story__image { background-position: 63% center; min-height: 620px; filter: saturate(.85); }
.material-story__card { align-self: end; margin: 0 0 clamp(2.6rem, 6vw, 6rem) clamp(-2.8rem, -3vw, -1.25rem); padding: clamp(2rem, 4vw, 4rem); color: var(--paper); background: var(--forest-deep); }
.material-story__card h2 { margin: .85rem 0 1.6rem; font-family: var(--serif); font-size: clamp(2.25rem, 3.5vw, 4.05rem); font-weight: 400; line-height: .91; letter-spacing: -.065em; }
.material-story__card > p:not(.eyebrow) { max-width: 350px; margin: 0; color: rgba(237,232,220,.7); font-size: .88rem; line-height: 1.65; }
.material-story__index { display: block; margin-top: 3rem; color: var(--copper-light); font-size: .62rem; font-weight: 800; letter-spacing: .13em; }

.systems { padding: clamp(6.2rem, 12vw, 11rem) var(--page-x); color: var(--paper); background: var(--forest-deep); }
.section-label--light { color: rgba(237,232,220,.57); }
.systems__head { display: grid; grid-template-columns: .55fr 1.5fr .72fr; gap: 2rem; align-items: end; }
.eyebrow--copper { color: var(--copper-light); }
.systems__heading h2, .principles__head h2, .work__copy h2, .assessment h2 { margin: .7rem 0 0; font-family: var(--serif); font-size: clamp(2.7rem, 5.3vw, 5.8rem); font-weight: 400; line-height: .86; letter-spacing: -.075em; }
.systems__intro { max-width: 290px; margin: 0; color: rgba(237,232,220,.72); font-size: .86rem; line-height: 1.65; }
.system-grid { display: grid; grid-template-columns: 1.18fr .91fr .91fr; gap: 1px; margin-top: clamp(3rem, 6vw, 6.5rem); background: rgba(237,232,220,.25); }
.system-card { min-height: 460px; display: flex; flex-direction: column; justify-content: space-between; padding: clamp(1.45rem, 2.5vw, 2.6rem); background: var(--forest-deep); transition: background .3s ease, color .3s ease; }
.system-card:hover { color: var(--forest-deep); background: var(--paper); }
.system-card__top { display: flex; justify-content: space-between; gap: 1rem; color: var(--copper-light); font-size: .58rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.system-card:hover .system-card__top { color: var(--clay); }
.system-specimen { position: relative; isolation: isolate; display: flex; align-items: end; min-height: clamp(152px, 15vw, 215px); margin: clamp(1.75rem, 4vw, 3.8rem) 0; overflow: hidden; background: #142b21; }
.system-specimen::after { content: ""; position: absolute; z-index: 0; inset: 36% 0 0; background: linear-gradient(transparent, rgba(5, 16, 10, .76)); pointer-events: none; }
.system-specimen img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(.73) contrast(1.07) brightness(.8); transform: scale(1.015); transition: transform .7s cubic-bezier(.16, 1, .3, 1), filter .5s ease; }
.system-specimen--metal img { object-position: 27% 67%; }
.system-specimen--shingle img { object-position: 94% 25%; }
.system-specimen--specialty img { object-position: 76% 58%; }
.system-specimen figcaption { position: relative; z-index: 1; width: 100%; display: flex; justify-content: space-between; gap: 1rem; align-items: end; padding: .85rem 1rem; color: rgba(252, 250, 243, .92); font-size: .55rem; font-weight: 800; line-height: 1.25; letter-spacing: .1em; text-transform: uppercase; }
.system-specimen figcaption span:last-child { color: var(--copper-light); }
.system-card:hover .system-specimen img { filter: saturate(.9) contrast(1.03) brightness(.9); transform: scale(1.065); }
.system-card__bottom h3 { margin: 0; font-family: var(--serif); font-size: clamp(1.65rem, 2.2vw, 2.45rem); font-weight: 400; line-height: 1; letter-spacing: -.055em; }
.system-card__bottom p { max-width: 310px; min-height: 3.5rem; margin: .75rem 0 1.5rem; color: rgba(237,232,220,.68); font-size: .81rem; line-height: 1.52; }
.system-card:hover .system-card__bottom p { color: var(--moss); }
.system-card__bottom a { display: inline-flex; align-items: center; gap: .55rem; padding-bottom: .35rem; border-bottom: 1px solid currentColor; font-size: .63rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.system-card__bottom a span { font-size: 1rem; }

.principles { display: grid; grid-template-columns: .55fr 1.22fr 1fr; gap: 2rem; padding: clamp(6rem, 11vw, 10.2rem) var(--page-x); }
.principle-list { grid-column: 2 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.8rem; margin-top: 1.8rem; }
.principle { padding-top: 1.15rem; border-top: 1px solid var(--line); }
.principle > span { color: var(--clay); font-size: .62rem; font-weight: 800; letter-spacing: .1em; }
.principle h3 { margin: 2rem 0 .7rem; font-family: var(--serif); font-size: 1.8rem; font-weight: 400; letter-spacing: -.05em; }
.principle p { max-width: 300px; margin: 0; color: var(--moss); font-size: .83rem; line-height: 1.62; }

.work { display: grid; grid-template-columns: 1.2fr .8fr; color: var(--paper); background: var(--forest); }
.work__visual { min-height: 760px; position: relative; }
.work__image { position: absolute; inset: 0; background-position: 72% center; filter: saturate(.8) contrast(1.04); }
.work__caption { position: absolute; right: 1.5rem; bottom: 1.4rem; left: 1.5rem; display: flex; justify-content: space-between; gap: 1rem; color: rgba(255,255,255,.75); font-size: .56rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.work__content { display: flex; flex-direction: column; padding: clamp(2rem, 4vw, 4.4rem); }
.work__copy { max-width: 425px; margin: auto 0; }
.work__copy p:not(.eyebrow) { margin: 1.6rem 0 2.25rem; color: rgba(237,232,220,.7); font-size: .87rem; line-height: 1.62; }
.button--outline { color: var(--paper); border-color: rgba(237,232,220,.62); background: transparent; }
.button--outline:hover { color: var(--forest-deep); background: var(--paper); }

.assessment { display: grid; grid-template-columns: 1.16fr .84fr; gap: clamp(2.5rem, 7vw, 8.5rem); padding: clamp(6rem, 12vw, 11.5rem) var(--page-x); background: #d7cebb; }
.assessment__content { display: grid; grid-template-columns: .45fr 1fr; gap: 2rem; }
.assessment__intro { grid-column: 2; }
.assessment__intro > p:not(.eyebrow) { max-width: 420px; margin: 1.8rem 0 1.6rem; color: #465147; font-size: .9rem; line-height: 1.64; }
.assessment__reassurance { display: flex; align-items: center; gap: .55rem; padding-top: 1rem; border-top: 1px solid var(--line); font-size: .62rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.assessment__reassurance svg { width: 18px; height: 18px; padding: 4px; color: var(--paper); background: var(--forest); border-radius: 50%; fill: none; stroke: currentColor; stroke-width: 2; }
.assessment__contact { grid-column: 2; align-self: end; display: grid; gap: .3rem; margin-top: 5rem; }
.assessment__contact span, .assessment__contact small { color: var(--moss); font-size: .6rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.assessment__contact a { width: fit-content; font-family: var(--serif); font-size: clamp(1.8rem, 3vw, 2.5rem); letter-spacing: -.06em; }
.assessment-form { align-self: center; padding: clamp(1.5rem, 3vw, 2.9rem); background: var(--white); box-shadow: 0 22px 42px rgba(37,37,24,.11); }
.form-heading { display: flex; justify-content: space-between; margin-bottom: 2.5rem; color: var(--forest); font-size: .62rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.form-heading span:last-child { color: var(--clay); font-size: 1.1rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { position: relative; margin-bottom: 1.55rem; }
.field label { display: block; margin-bottom: .55rem; color: var(--forest); font-size: .6rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.field label em { color: var(--moss); font-style: normal; font-weight: 600; text-transform: none; }
.field input, .field select, .field textarea { width: 100%; padding: 0 0 .68rem; color: var(--ink); border: 0; border-bottom: 1px solid #b9b8ad; border-radius: 0; outline: 0; background: transparent; font-size: .88rem; transition: border .2s ease; }
.field input, .field select { height: 33px; }
.field textarea { min-height: 75px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #899086; opacity: 1; }
.field input:focus, .field select:focus, .field textarea:focus { border-bottom-color: var(--clay); }
.field input:user-invalid, .field select:user-invalid { border-bottom-color: #b24c38; }
.select-wrap { position: relative; display: block; }
.select-wrap::after { content: "↓"; position: absolute; right: 0; bottom: .72rem; pointer-events: none; color: var(--clay); font-size: 1rem; }
.field select { appearance: none; cursor: pointer; }
.consent { display: flex; align-items: flex-start; gap: .65rem; margin: .1rem 0 1.5rem; color: #566158; font-size: .68rem; line-height: 1.35; }
.consent input { width: 15px; height: 15px; margin: 0; accent-color: var(--clay); }
.form-submit { width: 100%; min-height: 58px; display: flex; align-items: center; justify-content: space-between; padding: 0 1.25rem; color: var(--white); border: 0; background: var(--forest); font-size: .67rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; transition: background .2s ease, transform .2s ease; }
.form-submit:hover, .form-submit:focus-visible { background: var(--clay); transform: translateY(-2px); }
.form-submit span { font-size: 1.1rem; }
.form-status { min-height: 1.2em; margin: 1rem 0 0; color: var(--forest); font-size: .74rem; font-weight: 700; line-height: 1.45; }
.assessment-form.is-success { outline: 2px solid var(--forest); outline-offset: 5px; }

.site-footer { position: relative; display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; padding: clamp(3rem, 5vw, 5rem) var(--page-x) 1.4rem; color: var(--paper); background: var(--forest-deep); }
.footer-brand { display: grid; font-family: var(--serif); font-size: clamp(2.25rem, 4.2vw, 4.4rem); line-height: .75; letter-spacing: -.075em; }
.footer-brand span:last-child { margin-left: .92rem; color: var(--copper-light); }
.site-footer > p { align-self: end; max-width: 200px; margin: 0; color: rgba(237,232,220,.7); font-family: var(--serif); font-size: 1.1rem; line-height: 1.1; }
.back-top { justify-self: end; align-self: end; display: inline-flex; gap: .7rem; padding-bottom: .32rem; border-bottom: 1px solid rgba(237,232,220,.6); font-size: .62rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.footer-meta { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 1rem; padding-top: 2.5rem; color: rgba(237,232,220,.46); border-top: 1px solid rgba(237,232,220,.2); font-size: .57rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .8s cubic-bezier(.2,.65,.25,1), transform .8s cubic-bezier(.2,.65,.25,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal--slow { transition-delay: .12s; }
.reveal--slower { transition-delay: .22s; }
.hero .reveal { animation: hero-reveal .8s cubic-bezier(.2,.65,.25,1) forwards; }
.hero .reveal--slow { animation-delay: .1s; }
.hero .reveal--slower { animation-delay: .2s; }

@keyframes hero-reveal { to { opacity: 1; transform: translateY(0); } }
@keyframes breathe { to { transform: scale(1.07); } }

@media (max-width: 900px) {
  .desktop-nav, .header-cta { display: none; }
  .menu-toggle { display: block; color: var(--white); }
  .site-header { height: 74px; }
  .hero__topline { top: 118px; }
  .intro, .principles { grid-template-columns: minmax(80px, .4fr) 1fr; }
  .intro__copy { grid-column: 2; }
  .intro__proof { grid-column: 2; grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 470px; }
  .systems__head { grid-template-columns: minmax(80px, .4fr) 1fr; }
  .systems__heading { grid-column: 2; }
  .systems__intro { grid-column: 2; margin-top: .7rem; }
  .system-grid { grid-template-columns: 1fr 1fr; }
  .system-card--featured { grid-column: span 2; }
  .principles__head { grid-column: 2; }
  .principle-list { grid-column: 2; }
  .assessment { grid-template-columns: 1fr; }
  .assessment__content { max-width: 760px; }
  .assessment-form { max-width: 680px; }
}

@media (max-width: 650px) {
  :root { --page-x: 1.2rem; }
  .weather-strip { font-size: .53rem; }
  .weather-strip__availability { display: none; }
  .site-header { top: 31px; height: 68px; }
  .site-header.is-scrolled { height: 64px; }
  .brand { min-width: 0; }
  .brand__seal { width: 34px; height: 34px; }
  .hero { min-height: 735px; }
  .hero__media { background-position: 62% center; }
  .hero__topline { top: 112px; font-size: .53rem; }
  .hero__topline span:last-child { display: none; }
  .hero__content { padding-top: 198px; padding-bottom: 9.5rem; }
  .hero__title { font-size: clamp(3.5rem, 16vw, 5.8rem); line-height: .81; }
  .hero__kicker { font-size: 1rem; }
  .hero__actions { align-items: flex-start; flex-direction: column; gap: 1.25rem; }
  .button { width: 100%; min-height: 56px; }
  .hero__phone { padding-bottom: .42rem; }
  .hero__foot { bottom: 1.55rem; align-items: end; }
  .hero__foot p, .hero__coordinates { display: none; }
  .scroll-cue { margin-left: auto; }
  .intro, .principles { display: block; }
  .section-label { margin-bottom: 2rem; }
  .intro__detail { display: block; margin-top: 2rem; }
  .intro__detail .text-link { margin-top: 1.3rem; }
  .intro__proof { margin-top: 3.3rem; }
  .material-story { display: block; min-height: 0; padding-bottom: 2.5rem; }
  .material-story__image { min-height: 410px; }
  .material-story__card { margin: -2rem 1.2rem 0; }
  .systems__head { display: block; }
  .systems__intro { margin-top: 1.7rem; }
  .system-grid { grid-template-columns: 1fr; }
  .system-card, .system-card--featured { grid-column: auto; min-height: 395px; }
  .system-card__bottom p { min-height: 0; }
  .principle-list { display: block; margin-top: 3.5rem; }
  .principle { padding: 1.15rem 0 2.5rem; }
  .principle h3 { margin-top: 1.25rem; }
  .work { display: block; }
  .work__visual { min-height: 510px; }
  .work__content { min-height: 570px; }
  .work__caption span:not(:nth-child(2)) { display: none; }
  .assessment { gap: 3.5rem; }
  .assessment__content { display: block; }
  .assessment__intro { display: block; }
  .assessment__contact { margin-top: 3.2rem; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .site-footer { grid-template-columns: 1fr; gap: 2rem; }
  .site-footer > p { margin-top: .5rem; }
  .back-top { justify-self: start; }
  .footer-meta { display: grid; padding-top: 1.8rem; }
}

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