:root {
  --stone-50: #fafaf9;
  --stone-100: #f5f5f4;
  --stone-200: #e7e5e4;
  --stone-300: #d6d3d1;
  --stone-400: #a8a29e;
  --stone-500: #78716c;
  --stone-600: #57534e;
  --stone-700: #44403c;
  --stone-800: #292524;
  --stone-900: #1c1917;
  --amber-50: #fffbeb;
  --amber-300: #fcd34d;
  --amber-400: #fbbf24;
  --amber-500: #f59e0b;
  --amber-600: #d97706;
  --amber-700: #b45309;
  --green: #25d366;
  --red: #dc2626;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 20px 50px -20px rgba(28, 25, 23, .35);
  --max: 1240px;
  --header-h: 84px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--stone-900);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { line-height: 1.1; margin: 0; letter-spacing: -.02em; }
p { margin: 0; }
button { font: inherit; cursor: pointer; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section { padding: 110px 0; }
.section--muted { background: var(--stone-50); }
.section--dark { background: var(--stone-900); color: #fff; }
.eyebrow {
  display: inline-block;
  color: var(--amber-700);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section--dark .eyebrow { color: var(--amber-400); }
.h-display { font-size: clamp(36px, 5vw, 56px); font-weight: 300; }
.h-display strong { font-weight: 700; display: block; }
.lead { color: var(--stone-500); font-size: 18px; font-weight: 300; margin-top: 18px; max-width: 640px; }
.section--dark .lead { color: var(--stone-300); }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 14px 28px; font-size: 15px; font-weight: 600;
  text-decoration: none; border: 1px solid transparent; transition: background .2s, color .2s, border-color .2s, transform .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn--amber { background: var(--amber-500); color: var(--stone-900); }
.btn--amber:hover { background: var(--amber-400); }
.btn--dark { background: var(--stone-900); color: #fff; }
.btn--dark:hover { background: var(--stone-800); }
.btn--ghost { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.7); color: #fff; }
.btn--ghost:hover { background: rgba(255,255,255,.22); }
.btn--outline { border-color: var(--stone-300); color: var(--stone-800); background: #fff; }
.btn--outline:hover { border-color: var(--stone-900); }
.btn--sm { padding: 10px 18px; font-size: 14px; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: not-allowed; transform: none; }

/* Header */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--header-h);
  transition: background .3s, box-shadow .3s;
}
.site-header .container { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; max-width: 1400px; }
.site-header.is-solid { background: rgba(255,255,255,.96); backdrop-filter: blur(10px); box-shadow: 0 1px 0 var(--stone-200); }
.brand { display: flex; align-items: center; height: 100%; }
.brand img { height: 78px; width: auto; filter: invert(1); transition: filter .3s; }
.site-header.is-solid .brand img { filter: none; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a.nav-link {
  color: rgba(255,255,255,.88); text-decoration: none; font-size: 14px; font-weight: 500;
  padding: 8px 12px; border-radius: 8px; transition: color .2s;
}
.nav a.nav-link:hover, .nav a.nav-link[aria-current="page"] { color: #fff; }
.site-header.is-solid .nav a.nav-link { color: var(--stone-600); }
.site-header.is-solid .nav a.nav-link:hover, .site-header.is-solid .nav a.nav-link[aria-current="page"] { color: var(--stone-900); }
.nav .btn { margin-left: 8px; }
.site-header:not(.is-solid) .nav .btn--outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.menu-toggle { display: none; background: none; border: 0; padding: 8px; color: #fff; }
.site-header.is-solid .menu-toggle { color: var(--stone-900); }
.menu-toggle svg { width: 28px; height: 28px; }

@media (max-width: 1100px) {
  .menu-toggle { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; background: #fff; flex-direction: column; align-items: stretch;
    padding: 16px 24px 24px; gap: 2px; box-shadow: 0 20px 40px -20px rgba(0,0,0,.3);
    transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s;
  }
  .nav.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav a.nav-link, .site-header.is-solid .nav a.nav-link { color: var(--stone-700); padding: 12px 8px; font-size: 16px; }
  .nav .btn { margin: 8px 0 0; }
  .site-header:not(.is-solid) .nav .btn--outline { color: var(--stone-800); border-color: var(--stone-300); }
  .brand img { height: 52px; }
}

/* Hero */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: center; color: #fff; overflow: hidden; background: var(--stone-900); }
.hero__bg { position: absolute; inset: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(12,10,9,.88) 0%, rgba(12,10,9,.62) 50%, rgba(12,10,9,.35) 100%); }
.hero .container { position: relative; width: 100%; display: grid; grid-template-columns: 1.3fr .7fr; gap: 48px; align-items: center; padding-top: var(--header-h); }
.hero h1 { font-size: clamp(44px, 7vw, 84px); font-weight: 300; }
.hero h1 strong { display: block; font-weight: 700; }
.hero__copy p.lead { color: rgba(255,255,255,.82); font-size: 19px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero__note { margin-top: 16px; font-size: 14px; color: rgba(255,255,255,.65); }
.hero__logo { display: flex; justify-content: center; }
.hero__logo img { width: min(360px, 80%); filter: invert(1) drop-shadow(0 0 18px rgba(255,255,255,.35)); animation: breathe 3s ease-in-out infinite; }
@keyframes breathe {
  0%, 100% { opacity: .72; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); filter: invert(1) drop-shadow(0 0 30px rgba(255,255,255,.6)); }
}
.scroll-cue { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); font-size: 11px; letter-spacing: .3em; text-transform: uppercase; color: rgba(255,255,255,.55); text-align: center; }
.scroll-cue span { display: block; width: 1px; height: 36px; background: rgba(255,255,255,.4); margin: 8px auto 0; animation: cue 2s ease-in-out infinite; }
@keyframes cue { 0%,100% { transform: scaleY(.4); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } }
@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; gap: 24px; padding-bottom: 80px; }
  .hero__logo { order: -1; justify-content: flex-start; padding-top: 24px; }
  .hero__logo img { width: 200px; }
  .scroll-cue { display: none; }
}

/* Page hero (inner pages) */
.page-hero { background: var(--stone-900); color: #fff; padding: calc(var(--header-h) + 72px) 0 72px; position: relative; overflow: hidden; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 80% 0%, rgba(245,158,11,.14), transparent 55%); pointer-events: none; }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(40px, 6vw, 68px); font-weight: 300; }
.page-hero h1 strong { font-weight: 700; display: block; }
.page-hero .lead { color: var(--stone-300); }
.back-link { display: inline-flex; align-items: center; gap: 6px; color: var(--stone-400); text-decoration: none; font-size: 14px; margin-bottom: 28px; }
.back-link:hover { color: #fff; }

/* Grids & cards */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.split--top { align-items: start; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 40px; } .section { padding: 80px 0; } }
.media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); position: relative; aspect-ratio: 4 / 3; background: var(--stone-200); }
.media img { width: 100%; height: 100%; object-fit: cover; }
.media__overlay { position: absolute; inset: auto 0 0 0; padding: 28px; background: linear-gradient(transparent, rgba(0,0,0,.7)); }
.media__overlay img { width: 220px; height: auto; filter: invert(1); object-fit: contain; }
.stats { display: flex; gap: 48px; margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--stone-200); }
.stats strong { display: block; font-size: 30px; font-weight: 700; }
.stats span { font-size: 13px; color: var(--stone-500); }
.prose p { color: var(--stone-500); font-weight: 300; font-size: 17px; margin-top: 18px; }
.prose p strong { color: var(--stone-700); font-weight: 600; }

.ticks { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 12px; }
.ticks li { display: flex; gap: 12px; align-items: flex-start; color: var(--stone-600); font-weight: 300; }
.ticks li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--amber-500); margin-top: 9px; flex: none; }
.section--dark .ticks li { color: var(--stone-300); }

.maker { margin-top: 36px; border: 1px solid var(--stone-200); border-radius: var(--radius); padding: 28px; text-align: center; background: #fff; }
.maker p { font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--stone-400); font-weight: 600; }
.maker img { width: 240px; margin: 12px auto 0; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 56px; }
.cards--4 { grid-template-columns: repeat(4, 1fr); }
.cards--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 1000px) { .cards, .cards--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .cards, .cards--4, .cards--2 { grid-template-columns: 1fr; } }
.card { background: #fff; border: 1px solid var(--stone-200); border-radius: var(--radius); padding: 30px; transition: box-shadow .25s, transform .25s; }
.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.card h3 { font-size: 19px; font-weight: 600; margin: 18px 0 8px; }
.card p { color: var(--stone-500); font-weight: 300; font-size: 15px; }
.card__icon { width: 48px; height: 48px; border-radius: 12px; background: var(--amber-50); color: var(--amber-700); display: grid; place-items: center; }
.card__icon svg { width: 24px; height: 24px; }
.section--dark .card { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.1); }
.section--dark .card p { color: var(--stone-400); }
.section--dark .card__icon { background: rgba(245,158,11,.14); color: var(--amber-400); }

/* Product cards */
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
@media (max-width: 760px) { .product-grid { grid-template-columns: 1fr; } }
.product-card { display: block; text-decoration: none; border-radius: var(--radius-lg); overflow: hidden; background: #fff; border: 1px solid var(--stone-200); transition: box-shadow .25s, transform .25s; }
.product-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.product-card__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.product-card:hover .product-card__media img { transform: scale(1.04); }
.badge { position: absolute; background: rgba(28,25,23,.82); color: #fff; font-size: 12px; font-weight: 600; padding: 6px 12px; border-radius: 999px; backdrop-filter: blur(6px); }
.badge--tl { top: 16px; left: 16px; }
.badge--bl { bottom: 16px; left: 16px; letter-spacing: .04em; text-transform: uppercase; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }
.dot--green { background: #22c55e; } .dot--amber { background: var(--amber-400); }
.product-card__body { padding: 26px 28px 30px; }
.product-card__body h2 { font-size: 26px; font-weight: 600; }
.product-card__body p { color: var(--stone-500); font-weight: 300; margin-top: 6px; }
.product-card__body span { display: inline-block; margin-top: 16px; color: var(--amber-700); font-weight: 600; font-size: 14px; }

.product-detail { padding: 100px 0; border-bottom: 1px solid var(--stone-100); }
.product-detail h2 { font-size: clamp(36px, 4.5vw, 52px); font-weight: 300; }
.product-detail .tagline { color: var(--stone-500); font-size: 20px; font-weight: 300; margin-top: 6px; }
.price-flag { margin-top: 28px; padding: 18px 22px; border-radius: var(--radius); background: var(--amber-50); border: 1px solid #fde68a; }
.price-flag strong { color: var(--amber-700); }
.price-flag p { color: var(--stone-600); font-weight: 300; font-size: 15px; margin-top: 4px; }

table.prices { width: 100%; border-collapse: collapse; margin-top: 20px; font-size: 15px; background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--stone-200); }
table.prices th { text-align: left; background: var(--stone-900); color: #fff; font-weight: 600; padding: 14px 18px; font-size: 13px; letter-spacing: .04em; }
table.prices td { padding: 14px 18px; border-top: 1px solid var(--stone-100); color: var(--stone-700); }
table.prices tr:nth-child(even) td { background: var(--stone-50); }
.fineprint { font-size: 13px; color: var(--stone-400); margin-top: 12px; }

/* Components tabs */
.tabs { display: flex; gap: 0; overflow-x: auto; border-bottom: 1px solid var(--stone-200); margin-top: 48px; }
.tab { background: none; border: 0; border-bottom: 2px solid transparent; padding: 16px 22px; font-weight: 600; font-size: 15px; color: var(--stone-400); white-space: nowrap; }
.tab[aria-selected="true"] { color: var(--stone-900); border-color: var(--amber-600); }
.tab-panel { padding-top: 48px; }
.tab-panel[hidden] { display: none; }
.specs { display: grid; grid-template-columns: 1fr 1fr; gap: 22px 28px; margin-top: 32px; padding-top: 28px; border-top: 1px solid var(--stone-200); }
.specs dt { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--stone-400); font-weight: 600; }
.specs dd { margin: 4px 0 0; color: var(--stone-800); font-weight: 500; font-size: 15px; }
.kicker { color: var(--amber-700); font-size: 13px; letter-spacing: .2em; text-transform: uppercase; font-weight: 600; }

/* Installer */
.offer { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 56px; }
@media (max-width: 1000px) { .offer { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .offer { grid-template-columns: 1fr; } }
.founding { margin-top: 64px; border-radius: var(--radius-lg); padding: 48px; background: linear-gradient(135deg, #292524, #1c1917); border: 1px solid rgba(245,158,11,.35); position: relative; overflow: hidden; }
.founding::before { content: ""; position: absolute; width: 420px; height: 420px; right: -120px; top: -160px; background: radial-gradient(circle, rgba(245,158,11,.22), transparent 70%); }
.founding > * { position: relative; }
.founding__tag { display: inline-block; background: var(--amber-500); color: var(--stone-900); font-weight: 700; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; border-radius: 999px; padding: 6px 14px; }
.founding h3 { font-size: clamp(26px, 3vw, 36px); font-weight: 300; margin-top: 18px; color: #fff; }
.founding > p { color: var(--stone-300); font-weight: 300; margin-top: 12px; max-width: 680px; }
.founding .cards { margin-top: 36px; }
@media (max-width: 640px) { .founding { padding: 32px 22px; } }
.quote-callout { margin-top: 48px; text-align: center; }
.quote-callout blockquote { margin: 0; font-size: clamp(30px, 4vw, 46px); font-weight: 700; color: #fff; letter-spacing: -.02em; }
.quote-callout p { color: var(--stone-400); margin: 16px auto 0; max-width: 680px; font-weight: 300; }
.installer-title { position: relative; display: flex; align-items: center; justify-content: center; gap: 24px; }
.installer-title img { width: 120px; filter: invert(1); }
@media (max-width: 760px) { .installer-title { flex-direction: column; gap: 12px; } .installer-title img { width: 100px; } }

/* Forms */
.form-card { background: #fff; border: 1px solid var(--stone-200); border-radius: var(--radius-lg); padding: 36px; box-shadow: 0 10px 40px -24px rgba(0,0,0,.25); }
.section--muted .form-card { background: #fff; }
@media (max-width: 560px) { .form-card { padding: 24px 18px; } }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }
.field label, .field .label { display: block; font-size: 13px; font-weight: 600; color: var(--stone-700); margin-bottom: 6px; }
.field label .req { color: var(--amber-700); }
.field input, .field select, .field textarea, .combo__button {
  width: 100%; height: 48px; border: 1px solid var(--stone-200); border-radius: 12px; padding: 0 14px;
  font: inherit; font-size: 15px; color: var(--stone-900); background: #fff; transition: border-color .2s, box-shadow .2s;
}
.field textarea { height: auto; min-height: 120px; padding: 12px 14px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus, .combo__button:focus { outline: none; border-color: var(--amber-500); box-shadow: 0 0 0 3px rgba(245,158,11,.2); }
.field.has-error input, .field.has-error select, .field.has-error textarea, .field.has-error .combo__button { border-color: var(--red); }
.field .error { color: var(--red); font-size: 13px; margin-top: 6px; display: none; }
.field.has-error .error { display: block; }
.checks { display: flex; flex-wrap: wrap; gap: 10px; }
.checks label { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--stone-200); border-radius: 999px; padding: 8px 14px; font-size: 14px; font-weight: 500; color: var(--stone-700); cursor: pointer; margin: 0; }
.checks input { width: 16px; height: 16px; accent-color: var(--amber-600); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin-top: 14px; font-size: 14px; }
.form-status.ok { color: #15803d; }
.form-status.err { color: var(--red); }

/* Combo (searchable dropdown) */
.combo { position: relative; }
.combo__button { display: flex; align-items: center; justify-content: space-between; text-align: left; cursor: pointer; gap: 8px; min-height: 48px; height: auto; padding: 8px 14px; }
.combo__button .placeholder { color: var(--stone-400); }
.combo__chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { background: var(--amber-50); border: 1px solid #fde68a; color: var(--amber-700); border-radius: 999px; padding: 2px 10px; font-size: 13px; font-weight: 500; }
.combo__panel { position: absolute; z-index: 40; left: 0; right: 0; top: calc(100% + 6px); background: #fff; border: 1px solid var(--stone-200); border-radius: 12px; box-shadow: 0 20px 40px -16px rgba(0,0,0,.3); overflow: hidden; }
.combo__panel[hidden] { display: none; }
.combo__search { padding: 10px; border-bottom: 1px solid var(--stone-100); }
.combo__search input { height: 40px; }
.combo__list { list-style: none; margin: 0; padding: 6px; max-height: 260px; overflow-y: auto; }
.combo__list li button { width: 100%; text-align: left; background: none; border: 0; padding: 9px 10px; border-radius: 8px; font-size: 14px; color: var(--stone-700); display: flex; align-items: center; gap: 10px; }
.combo__list li button:hover, .combo__list li button:focus { background: var(--stone-100); outline: none; }
.combo__list li button[aria-selected="true"] { background: var(--amber-50); color: var(--amber-700); font-weight: 600; }
.combo__list .empty { padding: 10px; color: var(--stone-400); font-size: 14px; }
.combo__meta { padding: 8px 14px; font-size: 12px; color: var(--stone-500); border-top: 1px solid var(--stone-100); }

/* Contact info */
.info-list { list-style: none; padding: 0; margin: 36px 0 0; display: grid; gap: 22px; }
.info-list li { display: flex; gap: 16px; align-items: flex-start; }
.info-list .card__icon { width: 44px; height: 44px; flex: none; }
.info-list small { display: block; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--stone-400); font-weight: 600; }
.info-list a, .info-list span { color: var(--stone-800); text-decoration: none; font-weight: 500; }
.info-list a:hover { color: var(--amber-700); }

/* Gallery */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.filter { border: 1px solid var(--stone-200); background: #fff; border-radius: 999px; padding: 9px 18px; font-size: 14px; font-weight: 600; color: var(--stone-600); }
.filter[aria-pressed="true"] { background: var(--stone-900); border-color: var(--stone-900); color: #fff; }
.gallery { columns: 3 320px; column-gap: 20px; }
.gallery figure { break-inside: avoid; margin: 0 0 20px; border-radius: var(--radius); overflow: hidden; background: var(--stone-100); position: relative; }
.gallery figure[hidden] { display: none; }
.gallery img, .gallery video { width: 100%; height: auto; }
.gallery figcaption { padding: 14px 16px; font-weight: 600; font-size: 15px; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.gallery figcaption span { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--stone-400); }

/* CTA band */
.cta-band { border-radius: var(--radius-lg); background: var(--stone-900); color: #fff; padding: 56px; display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
.cta-band h2 { font-size: clamp(28px, 3vw, 38px); font-weight: 300; }
.cta-band p { color: var(--stone-400); margin-top: 8px; font-weight: 300; }
@media (max-width: 640px) { .cta-band { padding: 36px 24px; } }

/* Footer */
.site-footer { background: var(--stone-900); color: var(--stone-400); padding: 80px 0 36px; }
.footer-top { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 48px; align-items: start; }
.footer-logo { width: 240px; filter: invert(1); }
.footer-tag { margin-top: 14px; font-weight: 300; }
.footer-nav h4 { color: #fff; font-size: 12px; letter-spacing: .2em; text-transform: uppercase; margin-bottom: 18px; }
.footer-nav ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-nav a { text-decoration: none; font-size: 15px; }
.footer-nav a:hover { color: #fff; }
.footer-brand { text-align: right; }
.footer-brand p { font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--stone-500); font-weight: 600; }
.footer-brand img { width: 240px; filter: invert(1); margin: 12px 0 0 auto; }
.footer-bottom { margin-top: 56px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.08); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; }
@media (max-width: 860px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-brand { text-align: left; }
  .footer-brand img { margin-left: 0; }
}

/* WhatsApp float */
.wa-float { position: fixed; right: 22px; bottom: 22px; z-index: 60; width: 60px; height: 60px; border-radius: 50%; background: var(--green); color: #fff; display: grid; place-items: center; box-shadow: 0 12px 30px -8px rgba(37,211,102,.6); transition: transform .2s; }
.wa-float:hover { transform: scale(1.07); }
.wa-float svg { width: 32px; height: 32px; }

/* Modal */
.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 16px; background: rgba(12,10,9,.6); backdrop-filter: blur(4px); }
.modal[hidden] { display: none; }
.modal__dialog { width: 100%; max-width: 560px; max-height: calc(100vh - 32px); overflow-y: auto; background: #fff; border-radius: var(--radius-lg); box-shadow: 0 40px 80px -20px rgba(0,0,0,.5); }
.modal__head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding: 28px 28px 0; }
.modal__head h2 { font-size: 26px; font-weight: 600; }
.modal__head p { color: var(--stone-500); font-size: 14px; margin-top: 6px; }
.modal__close { background: var(--stone-100); border: 0; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; flex: none; }
.modal__body { padding: 24px 28px 28px; }
.modal__body .form-grid { gap: 16px; }
.estimate-total { background: var(--stone-900); color: #fff; border-radius: var(--radius); padding: 24px; text-align: center; }
.estimate-total small { display: block; color: var(--stone-400); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; }
.estimate-total strong { display: block; font-size: 40px; font-weight: 700; margin-top: 6px; }
.estimate-total s { color: var(--stone-500); font-size: 15px; }
.estimate-rows { margin: 18px 0; display: grid; gap: 8px; font-size: 14px; }
.estimate-rows div { display: flex; justify-content: space-between; border-bottom: 1px dashed var(--stone-200); padding-bottom: 8px; }
.estimate-rows span { color: var(--stone-500); }

/* Toast */
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); z-index: 120; background: var(--stone-900); color: #fff; padding: 14px 18px 14px 20px; border-radius: 12px; display: flex; align-items: center; gap: 14px; box-shadow: 0 20px 40px -12px rgba(0,0,0,.4); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; max-width: calc(100vw - 32px); font-size: 15px; }
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.toast.is-error { background: var(--red); }
.toast button { background: none; border: 0; color: inherit; font-size: 20px; line-height: 1; padding: 0 2px; opacity: .8; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__logo img, .scroll-cue span { animation: none; }
  html { scroll-behavior: auto; }
}