:root {
  --blue-900: #0a2a55;
  --blue-800: #0f3e7a;
  --blue-700: #0f4c9a;
  --blue-600: #1766c2;
  --blue-100: #eaf3ff;
  --red-700: #c62132;
  --red-600: #e13242;
  --red-100: #fff0f2;
  --ink: #182338;
  --muted: #5a667a;
  --line: #dce5f2;
  --bg: #f7fbff;
  --white: #ffffff;
  --shadow: 0 20px 50px rgba(10, 42, 85, 0.12);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}
a { color: var(--blue-700); text-decoration: none; }
a:hover { color: var(--red-700); }
img, svg { max-width: 100%; height: auto; }
.container { width: min(100% - 2rem, var(--container)); margin-inline: auto; }
.skip-link { position: absolute; left: -999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.skip-link:focus { position: fixed; left: 1rem; top: 1rem; width: auto; height: auto; padding: .75rem 1rem; background: var(--white); z-index: 2000; border-radius: 8px; box-shadow: var(--shadow); }
.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; }
.topbar { background: var(--blue-900); color: var(--white); font-size: .92rem; }
.topbar__inner { display: flex; justify-content: space-between; gap: 1rem; padding: .55rem 0; align-items: center; }
.topbar a { color: var(--white); font-weight: 800; }
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.96); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.navbar { min-height: 82px; display: flex; align-items: center; gap: 1.25rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; color: var(--ink); flex: 0 0 auto; }
.brand:hover { color: var(--ink); }
.brand__logo { display: block; width: 74px; height: 74px; object-fit: contain; border-radius: 10px; background: transparent; }
.brand--footer .brand__logo { width: 150px; height: 150px; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: .1rem; }
.site-nav a, .nav-dropdown > button { padding: .75rem .85rem; color: var(--ink); border-radius: 999px; font-weight: 750; background: transparent; border: 0; font: inherit; cursor: pointer; }
.site-nav a:hover, .site-nav a[aria-current="page"], .nav-dropdown > button:hover { background: var(--blue-100); color: var(--blue-700); }
.nav-dropdown { position: relative; }
.nav-dropdown__menu { position: absolute; right: 0; top: calc(100% + .5rem); min-width: 240px; padding: .6rem; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm); box-shadow: var(--shadow); display: none; overflow-x: hidden; overscroll-behavior: contain; }
.nav-dropdown:hover .nav-dropdown__menu, .nav-dropdown.is-open .nav-dropdown__menu { display: grid; }
.nav-dropdown__menu a { display: block; border-radius: 10px; }
.header-actions { display: flex; align-items: center; gap: .55rem; }
.nav-toggle { display: none; background: var(--blue-100); border: 0; width: 44px; height: 44px; border-radius: 12px; margin-left: auto; }
.nav-toggle span:not(.sr-only) { display: block; width: 20px; height: 2px; margin: 4px auto; background: var(--blue-900); border-radius: 99px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .45rem; border: 2px solid transparent; padding: .78rem 1.05rem; border-radius: 999px; font-weight: 850; line-height: 1.15; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease; }
.btn:hover { transform: translateY(-1px); }
.btn--red { color: var(--white); background: var(--red-700); box-shadow: 0 14px 28px rgba(198, 33, 50, .22); }
.btn--red:hover { color: var(--white); background: var(--red-600); }
.btn--blue { color: var(--white); background: var(--blue-700); }
.btn--outline { color: var(--blue-700); border-color: var(--blue-700); background: var(--white); }
.btn--outline:hover { background: var(--blue-700); color: var(--white); }
.btn--light { background: var(--white); color: var(--blue-800); border-color: rgba(255,255,255,.3); }
.btn--large { padding: 1rem 1.25rem; font-size: 1.02rem; }
.hero { color: var(--white); background: radial-gradient(circle at 82% 10%, rgba(225,50,66,.35), transparent 28%), linear-gradient(135deg, var(--blue-900), var(--blue-700)); overflow: hidden; }
.hero__grid { min-height: 660px; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(340px, .75fr); align-items: center; gap: 3rem; padding: 4rem 0; }
.hero__content h1 { font-size: clamp(2.4rem, 6vw, 5rem); line-height: .98; margin: .35rem 0 1.25rem; max-width: 850px; letter-spacing: -.055em; }
.hero__content p { font-size: clamp(1.05rem, 2vw, 1.25rem); color: rgba(255,255,255,.9); max-width: 760px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }
.hero__note { font-weight: 800; margin-top: 1rem; }
.eyebrow { color: var(--red-600); font-weight: 900; text-transform: uppercase; letter-spacing: .16em; font-size: .78rem; margin: 0 0 .55rem; }
.hero .eyebrow { color: #ffb8c0; }
.hero-card { position: relative; padding: 2rem; background: rgba(255,255,255,.11); border: 1px solid rgba(255,255,255,.24); border-radius: 28px; backdrop-filter: blur(12px); box-shadow: 0 30px 80px rgba(0,0,0,.22); }
.hero-card__badge { display: inline-block; background: var(--red-700); color: var(--white); padding: .45rem .75rem; border-radius: 999px; font-weight: 850; margin-bottom: 1.25rem; }
.thermostat { width: 220px; aspect-ratio: 1 / 1; border-radius: 50%; background: var(--white); color: var(--blue-900); margin: 1rem auto 1.5rem; display: grid; place-items: center; text-align: center; box-shadow: inset 0 0 0 18px var(--blue-100), 0 20px 45px rgba(0,0,0,.2); }
.thermostat span { display: block; font-size: 3.6rem; font-weight: 950; line-height: 1; }
.thermostat small { display: block; color: var(--muted); font-weight: 800; }
.hero-card ul { padding: 0; margin: 0; list-style: none; display: grid; gap: .65rem; }
.hero-card li { padding-left: 1.55rem; position: relative; color: rgba(255,255,255,.94); font-weight: 700; }
.hero-card li::before { content: "✓"; position: absolute; left: 0; color: #fff; }
.hero-slider { position: relative; overflow: hidden; border-radius: 28px; border: 1px solid rgba(255,255,255,.24); background: rgba(255,255,255,.11); box-shadow: 0 30px 80px rgba(0,0,0,.22); min-height: 520px; }
.hero-slider__viewport { position: absolute; inset: 0; }
.hero-slider__slide { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.025); transition: opacity .8s ease, transform 5s ease; }
.hero-slider__slide.is-active { opacity: 1; transform: scale(1); }
.hero-slider__caption { position: absolute; left: 1rem; bottom: 1rem; z-index: 2; color: var(--white); background: rgba(198,33,50,.92); padding: .55rem .85rem; border-radius: 999px; font-weight: 900; box-shadow: 0 12px 26px rgba(0,0,0,.2); }
.hero-slider__dots { position: absolute; right: 1rem; bottom: 1.15rem; z-index: 2; display: flex; gap: .4rem; }
.hero-slider__dot { width: .55rem; height: .55rem; border-radius: 50%; background: rgba(255,255,255,.5); }
.hero-slider__dot.is-active { background: var(--white); }
.section--gallery { padding: 0 0 1.4rem; background: var(--white); overflow: hidden; }
.project-slider { width: 100%; min-height: 0; margin-inline: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; overflow: hidden; }
.project-slider .hero-slider__viewport { position: relative; inset: auto; height: 420px; display: flex; gap: 1rem; padding: 0; transition: transform .65s ease; will-change: transform; }
.project-slider .hero-slider__slide { position: relative; inset: auto; flex: 0 0 calc((100% - 2rem) / 3); height: auto; border-radius: 0; opacity: 1; transform: none; box-shadow: none; }
.project-slider .hero-slider__slide.is-active { transform: none; }
.project-slider .hero-slider__dots { position: static; justify-content: center; margin-top: 1rem; }
.project-slider .hero-slider__dot { background: var(--line); }
.project-slider .hero-slider__dot.is-active { background: var(--red-700); }
.trustbar { background: var(--white); border-bottom: 1px solid var(--line); }
.trustbar__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: .75rem; padding: 1rem 0; }
.trustbar span { display: grid; place-items: center; text-align: center; min-height: 72px; padding: .75rem; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-sm); font-weight: 850; color: var(--blue-900); }
.section { padding: clamp(3rem, 6vw, 6rem) 0; }
.section--soft { background: var(--bg); }
.section--red-soft { background: linear-gradient(180deg, var(--white), var(--red-100)); }
.section--social { background: linear-gradient(180deg, var(--white), var(--bg)); }
.section-header { max-width: 800px; margin-bottom: 2rem; }
.section-header.center { text-align: center; margin-inline: auto; }
.section-header h1, .section-header h2 { margin: 0 0 1rem; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.08; letter-spacing: -.035em; color: var(--blue-900); }
.section-header p { font-size: 1.08rem; color: var(--muted); }
.lede { font-size: 1.12rem; color: var(--muted); max-width: 820px; }
.grid { display: grid; gap: 1.1rem; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.45rem; box-shadow: 0 8px 30px rgba(10,42,85,.06); }
.card h2, .card h3 { color: var(--blue-900); line-height: 1.18; margin-top: 0; }
.card p { color: var(--muted); }
.card__icon { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 16px; background: var(--blue-100); color: var(--blue-700); font-size: 1.35rem; margin-bottom: 1rem; }
.card--accent { border-top: 5px solid var(--red-700); }
.card--blue { background: var(--blue-900); color: var(--white); border: 0; }
.card--blue h2, .card--blue h3, .card--blue p, .card--blue a { color: var(--white); }
.card--blue .btn { color: var(--blue-900); }
.social-showcase { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.social-card { min-height: 210px; display: grid; place-items: center; align-content: center; gap: .6rem; text-align: center; color: var(--blue-900); background: var(--white); border: 1px solid var(--line); border-radius: 8px; padding: 1.5rem 1rem; box-shadow: 0 12px 34px rgba(10,42,85,.08); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.social-card:hover { color: var(--blue-900); transform: translateY(-3px); border-color: var(--blue-600); box-shadow: 0 18px 44px rgba(10,42,85,.12); }
.social-card__icon { display: grid; place-items: center; width: 72px; height: 72px; }
.social-card__icon svg { display: block; width: 72px; height: 72px; }
.social-card strong { font-size: 1.15rem; line-height: 1.1; }
.social-card span:last-child { color: var(--muted); font-weight: 750; }
.check-list, .plain-list { margin: 0; padding: 0; list-style: none; display: grid; gap: .65rem; }
.check-list li { position: relative; padding-left: 1.65rem; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--red-700); font-weight: 950; }
.plain-list li { padding: .7rem .85rem; border-radius: 12px; background: var(--bg); border: 1px solid var(--line); }
.split { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 2.5rem; align-items: start; }
.notice { border-left: 5px solid var(--red-700); background: var(--red-100); padding: 1rem 1.15rem; border-radius: 12px; color: var(--ink); }
.cta-band { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: center; color: var(--white); background: radial-gradient(circle at 90% 0, rgba(225,50,66,.42), transparent 30%), linear-gradient(135deg, var(--blue-900), var(--blue-700)); border-radius: 28px; padding: clamp(1.5rem, 4vw, 3rem); box-shadow: var(--shadow); }
.cta-band h2 { margin: 0 0 .75rem; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.05; letter-spacing: -.04em; }
.cta-band p { color: rgba(255,255,255,.9); }
.cta-actions { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: flex-end; }
.page-hero { background: linear-gradient(135deg, var(--blue-900), var(--blue-700)); color: var(--white); padding: 4rem 0; }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1.05; letter-spacing: -.045em; margin: .5rem 0 1rem; }
.page-hero p { max-width: 790px; color: rgba(255,255,255,.9); font-size: 1.14rem; }
.breadcrumb { color: rgba(255,255,255,.8); font-weight: 750; }
.breadcrumb a { color: var(--white); }
.content { max-width: 900px; }
.content h2 { color: var(--blue-900); font-size: clamp(1.55rem, 3vw, 2.25rem); line-height: 1.15; margin-top: 2.2rem; }
.content p, .content li { color: var(--muted); }
.faq { display: grid; gap: .9rem; }
.faq details { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1rem 1.15rem; box-shadow: 0 8px 24px rgba(10,42,85,.05); }
.faq summary { cursor: pointer; font-weight: 900; color: var(--blue-900); }
.faq p { margin-bottom: 0; color: var(--muted); }
.city-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .85rem; }
.city-grid a { display: block; padding: 1rem; border: 1px solid var(--line); background: var(--white); border-radius: 14px; font-weight: 850; color: var(--blue-900); }
.city-grid a:hover { border-color: var(--red-700); color: var(--red-700); transform: translateY(-1px); }
.form-card { background: var(--white); border: 1px solid var(--line); border-radius: 24px; padding: clamp(1.2rem, 3vw, 2rem); box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.form-field { display: grid; gap: .35rem; }
.form-field--full { grid-column: 1 / -1; }
label { font-weight: 850; color: var(--blue-900); }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 12px; padding: .9rem 1rem; font: inherit; color: var(--ink); background: var(--white); }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(23, 102, 194, .18); border-color: var(--blue-600); }
textarea { min-height: 140px; resize: vertical; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--white); }
table { border-collapse: collapse; width: 100%; min-width: 680px; }
th, td { text-align: left; padding: .9rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--blue-900); color: var(--white); }
tr:last-child td { border-bottom: 0; }
.site-footer { background: var(--blue-900); color: rgba(255,255,255,.82); padding: 4rem 0 1.2rem; }
.site-footer a { color: var(--white); }
.brand--footer { margin-bottom: 1rem; color: var(--white); }
.site-footer h2 { color: var(--white); font-size: 1rem; text-transform: uppercase; letter-spacing: .14em; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.25fr; gap: 2rem; }
.social-links { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.social-links a { border: 1px solid rgba(255,255,255,.28); padding: .45rem .7rem; border-radius: 999px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.14); margin-top: 2.5rem; padding-top: 1rem; display: flex; justify-content: space-between; gap: 1rem; font-size: .88rem; }
.mobile-call { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 1500; background: var(--red-700); color: var(--white); text-align: center; padding: .9rem 1rem; font-weight: 950; box-shadow: 0 -10px 30px rgba(0,0,0,.16); }
.mobile-call:hover { color: var(--white); }
@media (max-width: 1060px) {
  .header-actions { display: none; }
  .hero__grid { grid-template-columns: 1fr; min-height: auto; }
  .hero-card { max-width: 560px; }
  .hero-slider { width: min(100%, 640px); min-height: 430px; }
  .project-slider { width: 100%; min-height: 0; }
  .project-slider .hero-slider__viewport { height: 460px; }
  .project-slider .hero-slider__slide { flex-basis: calc((100% - 1rem) / 2); }
  .grid--4, .city-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  body { padding-bottom: 55px; }
  .topbar__inner { justify-content: center; text-align: center; flex-wrap: wrap; }
  .navbar { min-height: 70px; }
  .nav-toggle { display: block; }
  .site-nav { position: absolute; left: 1rem; right: 1rem; top: calc(100% + .5rem); display: none; background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: .7rem; box-shadow: var(--shadow); }
  .site-nav.is-open { display: grid; }
  .site-nav a, .nav-dropdown > button { text-align: left; width: 100%; border-radius: 10px; }
  .nav-dropdown__menu { position: static; display: none; min-width: 0; box-shadow: none; border: 0; padding-left: 1rem; }
  .nav-dropdown.is-open .nav-dropdown__menu { display: grid; }
  .trustbar__grid, .grid--3, .grid--2, .split, .cta-band, .form-grid { grid-template-columns: 1fr; }
  .social-showcase { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trustbar__grid { gap: .55rem; }
  .cta-actions { justify-content: flex-start; }
  .footer-bottom { flex-direction: column; }
  .mobile-call { display: block; }
}
@media (max-width: 560px) {
  .container { width: min(100% - 1.1rem, var(--container)); }
  .hero__grid { padding: 3rem 0; }
  .hero__actions, .cta-actions { flex-direction: column; align-items: stretch; }
  .brand__logo { width: 58px; height: 58px; }
  .hero-slider { min-height: 360px; border-radius: 20px; }
  .project-slider { min-height: 0; border-radius: 0; }
  .project-slider .hero-slider__viewport { height: 340px; gap: .75rem; padding: 0; }
  .project-slider .hero-slider__slide { flex-basis: 100%; border-radius: 0; }
  .hero-slider__caption { max-width: calc(100% - 6.5rem); }
  .thermostat { width: 170px; }
  .city-grid, .grid--4 { grid-template-columns: 1fr; }
  .social-showcase { grid-template-columns: 1fr; }
  .social-card { min-height: 170px; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-slider__slide { transition: opacity .2s ease; transform: none; }
  .hero-slider__slide.is-active { transform: none; }
  .project-slider .hero-slider__viewport { transition: none; }
}

.coverage-map { position: relative; overflow: hidden; min-height: 280px; margin: 0 0 1.25rem; border: 1px solid var(--line); border-radius: 24px; background: radial-gradient(circle at 20% 25%, rgba(23,102,194,.18), transparent 22%), radial-gradient(circle at 76% 60%, rgba(198,33,50,.18), transparent 20%), linear-gradient(135deg, #ffffff, #eef6ff); box-shadow: var(--shadow); }
.coverage-map::before { content: ""; position: absolute; inset: 2rem; border: 3px dashed rgba(15,76,154,.2); border-radius: 44% 56% 50% 50%; transform: rotate(-9deg); }
.coverage-map__pin { position: absolute; display: inline-flex; align-items: center; gap: .35rem; padding: .5rem .7rem; border-radius: 999px; background: var(--white); border: 1px solid var(--line); color: var(--blue-900); font-weight: 900; box-shadow: 0 10px 24px rgba(10,42,85,.12); }
.coverage-map__pin::before { content: ""; width: .65rem; height: .65rem; border-radius: 50%; background: var(--red-700); }
.coverage-map__pin--one { left: 10%; top: 24%; }
.coverage-map__pin--two { left: 38%; top: 48%; }
.coverage-map__pin--three { right: 11%; top: 28%; }
.coverage-map__label { position: absolute; left: 1.25rem; bottom: 1.25rem; right: 1.25rem; background: rgba(10,42,85,.92); color: var(--white); padding: 1rem; border-radius: 16px; font-weight: 850; }
@media (max-width: 560px) { .coverage-map__pin { font-size: .8rem; } .coverage-map__pin--two { left: 18%; top: 52%; } }