:root {
  --red: #d00812;
  --red-dark: #a7050c;
  --black: #0d0d0f;
  --ink: #1d1d20;
  --muted: #646469;
  --soft: #f4f4f2;
  --warm: #faf9f6;
  --white: #ffffff;
  --line: #dedede;
  --shadow: 0 24px 60px rgba(0,0,0,.12);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.55; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
.container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 108px 0; }
.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; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 1000; padding: 12px 16px; color: #fff; background: var(--red); border-radius: 8px; }
.skip-link:focus { top: 16px; }

.utility-bar { color: #fff; background: var(--black); font-size: .82rem; }
.utility-inner { min-height: 38px; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.utility-inner p { margin: 0; color: #bdbdc2; }
.utility-inner a { letter-spacing: .02em; }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.95); border-bottom: 1px solid rgba(0,0,0,.08); backdrop-filter: blur(14px); }
.nav-wrap { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { width: 160px; flex: 0 0 auto; }
.brand img { width: 100%; }
.site-nav { display: flex; align-items: center; gap: 30px; }
.site-nav > a:not(.button) { position: relative; color: #29292c; font-size: .9rem; font-weight: 800; }
.site-nav > a:not(.button)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--red); transition: right .2s ease; }
.site-nav > a:not(.button):hover::after { right: 0; }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; background: transparent; border: 0; }
.menu-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--black); transition: .2s ease; }

.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 0 22px; color: #fff; background: var(--red); border: 2px solid var(--red); border-radius: 10px; font-size: .9rem; font-weight: 900; letter-spacing: .01em; transition: transform .18s ease, background .18s ease, border-color .18s ease; }
.button:hover { transform: translateY(-2px); background: var(--red-dark); border-color: var(--red-dark); }
.button-small { min-height: 44px; padding-inline: 18px; }
.button-outline { color: var(--black); background: transparent; border-color: #b9b9bd; }
.button-outline:hover { color: #fff; background: var(--black); border-color: var(--black); }
.button-dark { background: var(--black); border-color: var(--black); }
.button-dark:hover { background: #28282c; border-color: #28282c; }
.button-light { color: var(--black); background: #fff; border-color: #fff; }
.button-light:hover { color: #fff; background: var(--black); border-color: var(--black); }
.button-full { width: 100%; }

.eyebrow { margin: 0 0 15px; color: var(--red); font-size: .76rem; font-weight: 950; letter-spacing: .15em; text-transform: uppercase; }
h1, h2, h3 { color: var(--black); }
h1 { margin: 0; font-size: clamp(3.2rem, 6.2vw, 6.7rem); line-height: .94; letter-spacing: -.065em; }
h1 span { display: block; color: var(--red); }
h2 { margin: 0; font-size: clamp(2.5rem, 4.4vw, 4.8rem); line-height: .98; letter-spacing: -.055em; }
h3 { line-height: 1.15; letter-spacing: -.025em; }

.hero { position: relative; overflow: hidden; color: var(--ink); background: var(--warm); }
.hero-grid-pattern { position: absolute; inset: 0; opacity: .5; background-image: linear-gradient(rgba(13,13,15,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(13,13,15,.045) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom, #000 0%, transparent 85%); }
.hero::before { content: ""; position: absolute; width: 560px; height: 560px; right: -220px; top: -160px; border: 90px solid rgba(208,8,18,.06); border-radius: 50%; }
.hero-grid { position: relative; min-height: 720px; display: grid; grid-template-columns: 1.04fr .96fr; gap: 70px; align-items: center; padding-top: 74px; padding-bottom: 88px; }
.hero-copy { position: relative; z-index: 2; }
.hero-lede { max-width: 660px; margin: 28px 0 30px; color: #4f4f54; font-size: 1.15rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 14px 24px; margin: 28px 0 0; padding: 0; list-style: none; color: #3d3d41; font-size: .88rem; font-weight: 800; }
.hero-points li { position: relative; padding-left: 20px; }
.hero-points li::before { content: "✓"; position: absolute; left: 0; color: var(--red); font-weight: 950; }
.hero-visual { position: relative; min-height: 535px; display: grid; place-items: center; }
.hero-logo-card { position: relative; z-index: 2; width: min(520px, 92%); padding: 36px 34px 26px; background: #fff; border: 1px solid #dedede; border-radius: 32px; box-shadow: var(--shadow); transform: rotate(1.2deg); }
.hero-logo-card::before { content: ""; position: absolute; left: 26px; right: 26px; top: 20px; height: 5px; background: var(--red); border-radius: 999px; }
.hero-logo-card p { margin: 8px 0 0; color: var(--red); text-align: center; font-size: .83rem; font-weight: 950; letter-spacing: .14em; text-transform: uppercase; }
.floating-card { position: absolute; z-index: 3; width: 190px; padding: 16px 17px; color: #fff; background: var(--black); border: 1px solid rgba(255,255,255,.12); border-radius: 15px; box-shadow: 0 18px 40px rgba(0,0,0,.18); }
.floating-card span, .floating-card small { display: block; }
.floating-card span { margin-bottom: 3px; font-size: 1.06rem; font-weight: 950; }
.floating-card small { color: #bdbdc1; font-size: .75rem; }
.card-one { left: -4px; top: 78px; }
.card-two { right: -2px; top: 165px; background: var(--red); }
.card-two small { color: rgba(255,255,255,.78); }
.card-three { left: 34px; bottom: 45px; }
.category-strip { position: relative; z-index: 5; color: #fff; background: var(--black); border-top: 4px solid var(--red); }
.category-strip-grid { min-height: 88px; display: grid; grid-template-columns: repeat(7,1fr); align-items: center; }
.category-strip span { padding: 0 14px; text-align: center; font-size: .8rem; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; border-right: 1px solid rgba(255,255,255,.13); }
.category-strip span:last-child { border-right: 0; }

.products-section { background: #fff; }
.section-heading { max-width: 850px; margin-bottom: 44px; }
.split-heading { max-width: none; display: grid; grid-template-columns: 1.1fr .9fr; gap: 70px; align-items: end; }
.split-heading > p { margin: 0 0 4px; color: var(--muted); font-size: 1.03rem; }
.filter-row { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 28px; }
.filter { padding: 10px 15px; color: #4a4a4f; background: #fff; border: 1px solid #d7d7d9; border-radius: 999px; font-size: .82rem; font-weight: 850; }
.filter:hover, .filter.active { color: #fff; background: var(--black); border-color: var(--black); }
.product-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.product-card { overflow: hidden; display: flex; flex-direction: column; min-height: 440px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.product-card:hover { transform: translateY(-6px); border-color: #c8c8ca; box-shadow: 0 22px 45px rgba(0,0,0,.1); }
.product-card.filtered-out { display: none; }
.product-art { min-height: 180px; display: grid; place-items: center; background: var(--soft); border-bottom: 1px solid var(--line); }
.product-art svg { width: 150px; height: 112px; fill: none; stroke: var(--black); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; }
.art-tpo, .art-window { background: #f3f3f1; }
.art-shingles, .art-nails { background: #111; }
.art-shingles svg, .art-nails svg { stroke: #fff; }
.art-turbine, .art-door { background: #f8e8e8; }
.art-turbine svg, .art-door svg { stroke: var(--red); }
.art-turtle, .art-knife { background: #ececef; }
.product-copy { flex: 1; display: flex; flex-direction: column; padding: 24px 22px 22px; }
.product-type { margin: 0 0 9px; color: var(--red); font-size: .69rem; font-weight: 950; letter-spacing: .11em; text-transform: uppercase; }
.product-card h3 { margin: 0 0 10px; font-size: 1.35rem; }
.product-card p:not(.product-type) { margin: 0 0 24px; color: var(--muted); font-size: .9rem; }
.add-product { align-self: flex-start; margin-top: auto; padding: 0 0 4px; color: var(--black); background: transparent; border: 0; border-bottom: 2px solid var(--red); font-size: .82rem; font-weight: 950; }
.add-product.added { color: var(--red); }
.product-note { margin-top: 26px; padding: 28px 30px; display: flex; align-items: center; justify-content: space-between; gap: 30px; background: var(--soft); border: 1px solid var(--line); border-radius: var(--radius); }
.product-note strong { color: var(--black); font-size: 1.18rem; }
.product-note p { margin: 5px 0 0; color: var(--muted); }

.buyer-section { color: #fff; background: var(--black); }
.buyer-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 82px; align-items: start; }
.buyer-copy { position: sticky; top: 130px; }
.buyer-copy h2 { color: #fff; }
.buyer-copy > p:not(.eyebrow) { margin: 25px 0; color: #b3b3b7; }
.text-link { color: #fff; font-weight: 950; }
.text-link span { color: var(--red); }
.buyer-cards { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.buyer-card { min-height: 250px; padding: 26px; background: #18181b; border: 1px solid rgba(255,255,255,.1); border-radius: 18px; }
.buyer-card span { color: var(--red); font-size: .76rem; font-weight: 950; letter-spacing: .13em; }
.buyer-card h3 { margin: 56px 0 10px; color: #fff; font-size: 1.35rem; }
.buyer-card p { margin: 0; color: #9e9ea3; font-size: .92rem; }

.why-section { background: var(--warm); }
.why-shell { display: grid; grid-template-columns: .8fr 1.2fr; gap: 78px; align-items: center; padding: 54px; background: #fff; border: 1px solid var(--line); border-radius: 34px; box-shadow: 0 22px 60px rgba(0,0,0,.07); }
.why-logo { padding: 25px; background: #fff; border: 1px solid var(--line); border-radius: 24px; }
.why-copy h2 { max-width: 720px; }
.benefit-list { margin-top: 36px; display: grid; gap: 0; }
.benefit-list > div { display: grid; grid-template-columns: 50px 1fr; gap: 18px; padding: 18px 0; border-top: 1px solid var(--line); }
.benefit-list span { color: var(--red); font-size: .77rem; font-weight: 950; }
.benefit-list h3 { margin: 0 0 5px; font-size: 1.08rem; }
.benefit-list p { margin: 0; color: var(--muted); font-size: .9rem; }

.quote-banner { color: #fff; background: var(--red); }
.quote-banner-grid { min-height: 250px; display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
.quote-banner .eyebrow { color: #fff; opacity: .78; }
.quote-banner h2 { max-width: 800px; color: #fff; }

.faq-section { background: #fff; }
.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: start; }
.faq-intro { position: sticky; top: 130px; }
.faq-intro > p:not(.eyebrow) { color: var(--muted); }
.accordion details { border-top: 1px solid var(--line); }
.accordion details:last-child { border-bottom: 1px solid var(--line); }
.accordion summary { position: relative; padding: 25px 48px 25px 0; color: var(--black); font-size: 1.1rem; font-weight: 900; list-style: none; cursor: pointer; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::before, .accordion summary::after { content: ""; position: absolute; right: 10px; top: 50%; width: 16px; height: 2px; background: var(--red); transition: transform .2s ease; }
.accordion summary::after { transform: rotate(90deg); }
.accordion details[open] summary::after { transform: rotate(0); }
.accordion p { margin: -5px 0 25px; padding-right: 45px; color: var(--muted); }

.quote-section { color: #fff; background: var(--black); }
.quote-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 76px; align-items: start; }
.quote-copy { position: sticky; top: 130px; }
.quote-copy h2 { color: #fff; }
.quote-copy > p:not(.eyebrow):not(.supplier-note) { color: #aaaab0; }
.phone-card { display: block; margin: 32px 0 24px; padding: 20px; background: #18181b; border: 1px solid rgba(255,255,255,.12); border-radius: 16px; }
.phone-card span, .phone-card strong { display: block; }
.phone-card span { color: #8f8f94; font-size: .75rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.phone-card strong { margin-top: 4px; color: #fff; font-size: 1.75rem; letter-spacing: -.03em; }
.supplier-note { color: #85858a; font-size: .82rem; }
.quote-form { padding: 36px; color: var(--ink); background: #fff; border-radius: 28px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.quote-form label { display: block; margin-bottom: 17px; color: var(--black); font-size: .86rem; font-weight: 850; }
.quote-form input, .quote-form textarea { width: 100%; margin-top: 7px; padding: 13px 14px; color: var(--black); background: #fafafa; border: 1px solid #d6d6d8; border-radius: 10px; outline: none; transition: border-color .2s ease, box-shadow .2s ease; }
.quote-form input:focus, .quote-form textarea:focus { border-color: var(--red); box-shadow: 0 0 0 4px rgba(208,8,18,.1); }
.quote-form textarea { resize: vertical; }
.form-help { margin: 12px 0 0; color: #77777b; text-align: center; font-size: .75rem; }
.form-status { display: none; margin-top: 15px; padding: 12px 14px; color: #284e2e; background: #edf7ef; border: 1px solid #cce2d0; border-radius: 10px; font-size: .86rem; }
.form-status.show { display: block; }

.quote-float { position: fixed; z-index: 90; left: 50%; bottom: 20px; transform: translateX(-50%); }
.quote-float button { display: flex; align-items: center; gap: 8px; padding: 13px 17px; color: #fff; background: var(--black); border: 1px solid rgba(255,255,255,.16); border-radius: 999px; box-shadow: 0 16px 42px rgba(0,0,0,.3); font-size: .82rem; }
.quote-float span { width: 25px; height: 25px; display: inline-grid; place-items: center; color: #fff; background: var(--red); border-radius: 50%; font-weight: 950; }
.quote-float strong { margin-left: 4px; }

.home-float { position: fixed; right: 16px; bottom: 16px; z-index: 95; display: none; align-items: center; gap: 8px; padding: 12px 16px; color: #fff; background: var(--red); border: 0; border-radius: 999px; box-shadow: 0 14px 36px rgba(0,0,0,.28); font: inherit; font-size: .82rem; font-weight: 900; cursor: pointer; touch-action: manipulation; }
.home-float:hover { transform: translateY(-2px); }
.home-float:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.home-float svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.site-footer { padding-top: 70px; color: #c6c6c9; background: #070708; }
.footer-grid { display: grid; grid-template-columns: 1.3fr repeat(3,1fr); gap: 58px; padding-bottom: 54px; }
.footer-logo-card { width: 210px; padding: 10px; background: #fff; border-radius: 12px; }
.footer-brand > p { color: #8b8b90; font-size: .75rem; font-weight: 950; letter-spacing: .12em; text-transform: uppercase; }
.footer-grid h3 { margin: 0 0 17px; color: #fff; font-size: .92rem; }
.footer-grid a, .footer-grid > div > p { display: block; margin: 8px 0; color: #95959a; font-size: .88rem; }
.footer-grid a:hover { color: #fff; }
.footer-phone { color: #fff !important; font-size: 1.18rem !important; font-weight: 950; }
.footer-bottom { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.1); color: #747479; font-size: .78rem; }
.footer-bottom p { margin: 0; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1050px) {
  .site-nav { gap: 20px; }
  .product-grid { grid-template-columns: repeat(2,1fr); }
  .hero-grid { gap: 35px; }
  .floating-card { width: 165px; }
  .category-strip-grid { grid-template-columns: repeat(4,1fr); padding: 10px 0; }
  .category-strip span { min-height: 36px; display: grid; place-items: center; }
  .category-strip span:nth-child(4) { border-right: 0; }
  .footer-grid { grid-template-columns: 1.35fr 1fr 1fr; }
  .footer-grid > div:last-child { grid-column: 2 / 4; }
}

@media (max-width: 860px) {
  .home-float { display: inline-flex; }
  .section { padding: 82px 0; }
  .utility-inner p { display: none; }
  .utility-inner { justify-content: center; }
  .menu-toggle { display: block; }
  .site-nav { position: fixed; inset: 122px 0 auto; display: none; padding: 22px 20px 28px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 20px 30px rgba(0,0,0,.12); }
  .site-nav.open { display: grid; }
  .site-nav > a:not(.button) { padding: 9px 0; }
  .menu-toggle.active span:nth-child(2) { transform: translateY(7px) rotate(45deg); }
  .menu-toggle.active span:nth-child(3) { opacity: 0; }
  .menu-toggle.active span:nth-child(4) { transform: translateY(-7px) rotate(-45deg); }
  .hero-grid { min-height: auto; grid-template-columns: 1fr; padding-top: 65px; }
  .hero-copy { text-align: center; }
  .hero-lede { margin-inline: auto; }
  .hero-actions, .hero-points { justify-content: center; }
  .hero-visual { min-height: 500px; max-width: 620px; width: 100%; margin-inline: auto; }
  .split-heading, .buyer-grid, .why-shell, .faq-grid, .quote-grid { grid-template-columns: 1fr; gap: 45px; }
  .split-heading { align-items: start; }
  .buyer-copy, .faq-intro, .quote-copy { position: static; }
  .quote-banner-grid { grid-template-columns: 1fr; padding: 58px 0; }
  .why-shell { padding: 35px; }
  .why-logo { max-width: 480px; margin-inline: auto; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1180px); }
  .nav-wrap { min-height: 72px; }
  .brand { width: 138px; }
  .site-nav { inset: 110px 0 auto; }
  h1 { font-size: clamp(2.8rem, 15vw, 4.5rem); }
  h2 { font-size: clamp(2.25rem, 11vw, 3.5rem); }
  .hero-grid { padding-top: 50px; padding-bottom: 60px; }
  .hero-visual { min-height: 420px; }
  .hero-logo-card { padding: 30px 21px 22px; border-radius: 24px; }
  .floating-card { width: 145px; padding: 12px; }
  .card-one { left: -4px; top: 52px; }
  .card-two { right: -3px; top: 155px; }
  .card-three { left: 14px; bottom: 26px; }
  .category-strip-grid { grid-template-columns: repeat(2,1fr); }
  .category-strip span { border-right: 1px solid rgba(255,255,255,.13) !important; border-bottom: 1px solid rgba(255,255,255,.1); }
  .category-strip span:nth-child(even) { border-right: 0 !important; }
  .category-strip span:last-child { grid-column: 1 / -1; border-right: 0 !important; }
  .product-grid, .buyer-cards { grid-template-columns: 1fr; }
  .product-card { min-height: 410px; }
  .product-note { align-items: flex-start; flex-direction: column; }
  .why-shell { padding: 24px; border-radius: 24px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .quote-form { padding: 24px 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px 25px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-grid > div:last-child { grid-column: 1 / -1; }
  .footer-bottom { align-items: flex-start; flex-direction: column; justify-content: center; padding: 22px 0; }
  .quote-float { width: calc(100% - 28px); }
  .quote-float button { width: 100%; justify-content: center; }
  .home-float { right: 14px; bottom: 14px; padding: 11px 14px; }
}

@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; }
}