/* Roofing materials guide */
.materials-page {
  --service-accent: #f0521e;
  --service-accent-hover: #c93f12;
  --service-accent-soft: rgba(240, 82, 30, .08);
  --service-accent-border: rgba(240, 82, 30, .38);
  --service-accent-shadow: rgba(240, 82, 30, .24);
  --journey-signal: #f0521e;
  --journey-soft: rgba(240, 82, 30, .08);
  --journey-alt: var(--bg-deep);
  --hero-x: 53%;
  --hero-y: 49%;
}
.materials-page main,
.materials-page .service-mobile-call { --orange: var(--service-accent); --orange-lo: var(--service-accent-hover); }
.materials-page .service-detail-hero .h-xl { max-width: 13ch; }
.materials-page .service-detail-hero::after {
  background:
    linear-gradient(to top, rgba(10, 9, 8, .86) 0%, rgba(10, 9, 8, .54) 47%, rgba(10, 9, 8, .06) 100%),
    linear-gradient(to right, rgba(10, 9, 8, .54) 0%, rgba(10, 9, 8, .03) 72%);
}
#systems { scroll-margin-top: calc(var(--header-h) + 18px); }

.materials-icon {
  width: 44px; height: 44px; flex: none; border: 1px solid var(--service-accent-border);
  border-radius: 8px; display: grid; place-items: center; color: var(--service-accent);
  background: var(--service-accent-soft);
  transition: color .22s var(--ease), background-color .22s var(--ease), transform .22s var(--ease);
}
.materials-icon svg { width: 22px; height: 22px; }

/* Context */
.materials-context { background: var(--bg-deep); }
.materials-context__grid { display: grid; border-block: 1px solid var(--rule); }
.materials-context__grid article {
  position: relative; min-width: 0; padding: clamp(28px, 3.4vw, 46px);
  display: grid; grid-template-rows: auto auto 1fr auto; gap: 14px;
  transition: background-color .22s var(--ease);
}
.materials-context__grid article + article { border-top: 1px solid var(--rule); }
.materials-context__num { position: absolute; top: clamp(28px, 3.4vw, 46px); right: clamp(28px, 3.4vw, 46px); color: var(--ink-40); font: 500 .66rem/1 var(--f-mono); }
.materials-context__grid h3 { margin-top: 10px; font-size: clamp(1.25rem, 1.8vw, 1.55rem); letter-spacing: 0; }
.materials-context__grid p { max-width: 38ch; color: var(--ink-60); font-size: .94rem; line-height: 1.62; }
.materials-context__grid small { margin-top: 9px; padding-top: 14px; border-top: 1px solid var(--rule); color: var(--service-accent); font: 500 .66rem/1.4 var(--f-mono); }

/* Three material systems */
.materials-systems { background: var(--bg); }
.materials-systems__grid { display: grid; gap: 14px; }
.material-card {
  min-width: 0; overflow: hidden; border: 1px solid var(--rule); border-radius: 8px;
  background: var(--paper); display: grid; grid-template-rows: auto 1fr;
  transition: opacity .68s var(--ease), transform .58s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.materials-systems .material-card.rv { transform: translateY(10px); }
.materials-systems .material-card.rv.is-in { transform: none; }
.material-card__media { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: var(--night); }
.material-card__media::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(to top, rgba(10, 9, 8, .62), transparent); pointer-events: none; }
.material-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .65s var(--ease); }
.material-card:nth-child(1) .material-card__media img { object-position: center 45%; }
.material-card:nth-child(2) .material-card__media img { object-position: center 56%; }
.material-card:nth-child(3) .material-card__media img { object-position: center 72%; }
.material-card__media figcaption { position: absolute; z-index: 1; left: 20px; bottom: 18px; color: rgba(255,255,255,.82); font: 500 .64rem/1 var(--f-mono); }
.material-card__body { height: 100%; padding: clamp(22px, 2.4vw, 30px); display: flex; flex-direction: column; }
.material-card__title { display: flex; align-items: center; gap: 12px; }
.material-card__title > div { display: grid; gap: 5px; }
.material-card .materials-icon { width: 40px; height: 40px; }
.material-card .materials-icon svg { width: 20px; height: 20px; }
.material-card__title .eyebrow { color: var(--service-accent); }
.material-card h3 { font: 400 clamp(1.75rem, 2.25vw, 2.2rem)/1.06 "Instrument Serif", Georgia, serif; letter-spacing: 0; }
.material-card__body > p { margin-top: 17px; color: var(--ink-60); font-size: .9rem; line-height: 1.58; }
.material-card dl { margin-top: auto; padding-top: 18px; }
.material-card dl > div:first-child { border-top: 1px solid var(--rule); }
.material-card dl > div { padding: 12px 0; border-bottom: 1px solid var(--rule); display: grid; gap: 5px; }
.material-card dt { color: var(--service-accent); font: 500 .65rem/1.2 var(--f-mono); }
.material-card dd { color: var(--ink-80); font-size: .82rem; line-height: 1.48; }

/* Complete roof assembly */
.materials-assembly { position: relative; isolation: isolate; overflow: hidden; background: var(--night); color: var(--paper); }
.materials-assembly::before {
  content: ""; position: absolute; z-index: -1; inset: 0; pointer-events: none;
  background: linear-gradient(118deg, transparent 0 70%, rgba(240,82,30,.1) 70% 70.15%, transparent 70.15%);
}
.materials-assembly__grid { display: grid; gap: clamp(44px, 7vw, 96px); align-items: center; }
.materials-assembly__copy { display: grid; gap: 22px; }
.materials-assembly__copy .h-lg { max-width: 13ch; color: #fff; }
.materials-assembly__copy .lede { max-width: 51ch; color: rgba(245,243,239,.68); }
.materials-assembly__warning { max-width: 52ch; margin-top: 10px; padding: 20px 0 0 20px; border-top: 1px solid var(--rule-dark); border-left: 3px solid var(--service-accent); color: rgba(245,243,239,.58); font-size: .9rem; line-height: 1.6; }
.materials-assembly__warning strong { color: #fff; }
.materials-stack { position: relative; overflow: hidden; min-height: 585px; border: 1px solid rgba(255,255,255,.18); border-radius: 8px; background: #1b1917; box-shadow: 0 26px 55px rgba(0,0,0,.2); }
.materials-stack__top { padding: 18px 20px; border-bottom: 1px solid var(--rule-dark); display: flex; align-items: center; justify-content: space-between; gap: 14px; color: rgba(255,255,255,.42); font: 400 .61rem/1.3 var(--f-mono); }
.materials-stack__top strong { display: flex; align-items: center; gap: 9px; color: rgba(255,255,255,.86); font-weight: 500; }
.materials-stack__top i { width: 7px; height: 7px; border-radius: 50%; background: var(--service-accent); box-shadow: 0 0 0 5px var(--service-accent-soft); }
.materials-stack__stage { position: relative; height: 430px; margin: 18px 20px 0; perspective: 1000px; }
.materials-stack__layer {
  position: absolute; left: 7%; right: 7%; min-height: 84px; padding: 17px 20px;
  border: 1px solid rgba(255,255,255,.15); border-radius: 6px; display: grid;
  grid-template-columns: 42px minmax(0, 1fr); align-content: center; column-gap: 14px;
  transform: translateX(var(--layer-x, 0)); box-shadow: 0 14px 24px rgba(0,0,0,.18);
  animation: material-layer-float 5.4s ease-in-out infinite;
}
.materials-stack__layer > span { grid-row: 1 / span 2; align-self: center; color: rgba(255,255,255,.38); font: 500 .65rem/1 var(--f-mono); }
.materials-stack__layer strong { color: #fff; font-size: .92rem; letter-spacing: 0; }
.materials-stack__layer small { margin-top: 5px; color: rgba(255,255,255,.54); font-size: .72rem; line-height: 1.35; }
.materials-stack__layer--finish { --layer-x: -12px; top: 8px; background: #815345; animation-delay: -.4s; }
.materials-stack__layer--water { --layer-x: 10px; top: 108px; background: #394849; animation-delay: -1.1s; }
.materials-stack__layer--deck { --layer-x: -4px; top: 208px; background: #6f5a45; animation-delay: -1.8s; }
.materials-stack__layer--frame { --layer-x: 14px; top: 308px; background: #44362d; animation-delay: -2.5s; }
.materials-stack figcaption { margin: 0 20px 20px; padding-top: 16px; border-top: 1px solid var(--rule-dark); color: rgba(255,255,255,.5); font: 400 .72rem/1.55 var(--f-mono); }
.materials-stack figcaption strong { color: rgba(255,255,255,.9); font-weight: 500; }
@keyframes material-layer-float { 0%,100% { transform: translateX(var(--layer-x)) translateY(0); } 50% { transform: translateX(var(--layer-x)) translateY(-5px); } }

/* Comparison table */
.materials-compare { background: var(--bg-deep); }
.materials-table-wrap { overflow: hidden; border: 1px solid var(--rule); border-radius: 8px; background: rgba(245,243,239,.45); }
.materials-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.materials-table th, .materials-table td { padding: clamp(18px, 2.4vw, 28px); border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); text-align: left; vertical-align: top; }
.materials-table tr > *:last-child { border-right: 0; }
.materials-table tbody tr:last-child > * { border-bottom: 0; }
.materials-table thead th { color: var(--ink); background: var(--paper); font-size: .92rem; }
.materials-table thead th:first-child { color: var(--ink-40); font: 500 .67rem/1.4 var(--f-mono); }
.materials-table thead span { display: block; margin-bottom: 9px; color: var(--service-accent); font: 500 .62rem/1 var(--f-mono); }
.materials-table tbody th { width: 21%; color: var(--ink-80); font: 600 .78rem/1.45 var(--f-sans); background: rgba(245,243,239,.34); }
.materials-table td { color: var(--ink-60); font-size: .84rem; line-height: 1.55; }

/* Arizona factors */
.materials-arizona { background: var(--bg); }
.materials-factors { display: grid; border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; }
.materials-factors article { min-width: 0; padding: clamp(25px, 3vw, 38px); background: var(--paper); }
.materials-factors article + article { border-top: 1px solid var(--rule); }
.materials-factors .eyebrow { margin-top: 24px; color: var(--service-accent); }
.materials-factors h3 { margin-top: 10px; font-size: clamp(1.2rem, 1.7vw, 1.48rem); letter-spacing: 0; }
.materials-factors article > p:last-child { margin-top: 12px; color: var(--ink-60); font-size: .9rem; line-height: 1.58; }

.materials-process { background: var(--bg-deep); }
.materials-faq { background: var(--bg); }
.materials-faq .head, .materials-faq .faq__list { max-width: 940px; margin-inline: auto; }
.materials-faq .head { margin-bottom: clamp(38px, 5vw, 64px); }
.materials-final { padding-top: 0; background: var(--bg); }
.materials-final .endcta__panel { position: relative; overflow: hidden; }
.materials-final .endcta__panel::before { content: ""; position: absolute; right: -80px; bottom: -110px; width: 290px; aspect-ratio: 1; border: 1px solid rgba(240,82,30,.34); border-radius: 50%; box-shadow: 0 0 0 42px rgba(240,82,30,.045), 0 0 0 84px rgba(240,82,30,.025); pointer-events: none; }
.materials-final .endcta__copy, .materials-final .endcta__actions { position: relative; z-index: 1; }

@media (min-width: 780px) {
  .materials-context__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .materials-context__grid article + article { border-top: 0; border-left: 1px solid var(--rule); }
  .materials-factors { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .materials-factors article:nth-child(even) { border-left: 1px solid var(--rule); }
  .materials-factors article:nth-child(2) { border-top: 0; }
}
@media (min-width: 980px) {
  .materials-systems__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .material-card__title { min-height: 58px; align-items: flex-start; }
  .materials-assembly__grid { grid-template-columns: minmax(0, .82fr) minmax(520px, 1.18fr); }
  .materials-factors { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .materials-factors article + article { border-top: 0; border-left: 1px solid var(--rule); }
}
@media (hover: hover) {
  .materials-context__grid article:hover { background: rgba(255,255,255,.28); }
  .materials-context__grid article:hover .materials-icon,
  .materials-factors article:hover .materials-icon { color: #fff; background: var(--service-accent); transform: translateY(-3px) rotate(-3deg); }
  .material-card:hover { transform: translateY(-4px); border-color: var(--service-accent-border); box-shadow: 0 18px 36px rgba(20,19,17,.08); }
  .material-card:hover .material-card__media img { transform: scale(1.035); }
  .material-card:hover .materials-icon { color: #fff; background: var(--service-accent); transform: rotate(-3deg); }
}
@media (max-width: 899px) {
  .materials-page { --hero-x: 55%; --hero-y: 50%; }
  .materials-page .service-detail-hero .h-xl { max-width: 14ch; }
  .materials-page .service-detail-hero::after { background: linear-gradient(to bottom, rgba(10,9,8,.32), rgba(10,9,8,.62) 43%, rgba(10,9,8,.9) 80%); }
  .materials-stack { min-height: 570px; }
}
@media (max-width: 760px) {
  .materials-table-wrap { overflow: visible; border: 0; background: transparent; }
  .materials-table, .materials-table tbody, .materials-table tr, .materials-table th, .materials-table td { display: block; width: 100%; }
  .materials-table thead { display: none; }
  .materials-table tbody { display: grid; gap: 12px; }
  .materials-table tbody tr { overflow: hidden; border: 1px solid var(--rule); border-radius: 8px; background: var(--paper); }
  .materials-table tbody th {
    width: 100%; padding: 17px 20px; border: 0; border-bottom: 1px solid var(--rule);
    color: var(--ink); background: var(--service-accent-soft); font-size: .88rem;
  }
  .materials-table td {
    position: relative; padding: 16px 20px; border: 0; border-bottom: 1px solid var(--rule);
    display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 16px;
    align-items: start; font-size: .86rem;
  }
  .materials-table td:last-child { border-bottom: 0; }
  .materials-table td::before {
    content: attr(data-label); position: static; padding-top: 3px;
    color: var(--service-accent); font: 500 .67rem/1.35 var(--f-mono);
  }
}
@media (max-width: 520px) {
  .materials-page { --hero-x: 57%; }
  .materials-context__grid article { padding-inline: 22px; }
  .material-card__media { aspect-ratio: 4 / 3; }
  .material-card__body { padding: 22px 20px; }
  .material-card__title { align-items: flex-start; }
  .materials-stack { min-height: 535px; }
  .materials-stack__top { padding: 16px; }
  .materials-stack__top > span { display: none; }
  .materials-stack__stage { height: 390px; margin-inline: 14px; }
  .materials-stack__layer { left: 2%; right: 2%; min-height: 78px; padding: 14px; grid-template-columns: 32px minmax(0,1fr); column-gap: 8px; }
  .materials-stack__layer--finish { top: 4px; }
  .materials-stack__layer--water { top: 96px; }
  .materials-stack__layer--deck { top: 188px; }
  .materials-stack__layer--frame { top: 280px; }
  .materials-stack__layer small { font-size: .66rem; }
  .materials-stack figcaption { margin-inline: 16px; font-size: .66rem; }
  .materials-factors article { padding: 24px 22px; }
}
@media (prefers-reduced-motion: reduce) {
  .materials-stack__layer { animation: none !important; }
  .material-card__media img { transition: none !important; }
}