:root {
  --ink: #123b40; --deep: #073f48; --teal: #058f9b; --aqua: #26bdc5;
  --cream: #fffaf2; --sand: #f4eadc; --mist: #e9f6f5; --white: #fff; --copper: #bf7048;
  --muted: #5e7476; --line: rgba(7, 63, 72, .12);
  --shadow: 0 24px 65px rgba(16, 73, 79, .14);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #fffdf9; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 1rem; line-height: 1.65; }
img { max-width: 100%; }
a { color: inherit; text-decoration: none; }
.topbar { min-height: 88px; display: flex; align-items: center; gap: 34px; padding: 10px clamp(22px, 5vw, 78px); position: sticky; top: 0; z-index: 20; background: rgba(255, 253, 249, .94); backdrop-filter: blur(18px); border-bottom: 3px solid; border-image: linear-gradient(90deg, var(--deep), var(--teal), var(--copper)) 1; }
.brand { margin-right: auto; }
.brand img { display: block; width: 205px; height: 64px; object-fit: contain; mix-blend-mode: multiply; }
.topbar nav { display: flex; gap: 25px; font-weight: 700; font-size: .92rem; }
.topbar nav a:hover { color: var(--teal); }
.call, .button { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; font-weight: 780; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.call { padding: 11px 20px; background: var(--deep); color: #fff; }
.call:hover, .primary:hover { transform: translateY(-2px); background: #0a5560; box-shadow: 0 12px 26px rgba(7, 63, 72, .2); }
.hero { min-height: calc(100vh - 88px); display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, .92fr); align-items: center; gap: clamp(44px, 7vw, 110px); padding: clamp(65px, 8vw, 120px) clamp(24px, 7vw, 110px); overflow: hidden; background: radial-gradient(circle at 10% 8%, rgba(38, 189, 197, .13), transparent 25%), linear-gradient(120deg, #fffdf9, var(--cream)); }
.eyebrow { text-transform: uppercase; letter-spacing: .17em; font-size: .76rem; font-weight: 850; color: var(--teal); margin: 0 0 18px; }
.hero h1, .section-head h2, .about h2, .area h2, .contact h2 { font-family: Georgia, "Times New Roman", serif; line-height: 1.04; letter-spacing: -.035em; margin: 0; }
.hero h1 { font-size: clamp(3.15rem, 5.7vw, 5.9rem); }
.hero h1 span { color: var(--teal); font-style: italic; }
.intro { font-size: clamp(1.05rem, 1.45vw, 1.27rem); color: var(--muted); max-width: 670px; margin: 30px 0; }
.hero-slogan { display: block; margin-bottom: 8px; color: var(--copper); font-family: Georgia, "Times New Roman", serif; font-style: italic; font-size: 1.18em; }
.actions { display: flex; flex-wrap: wrap; gap: 13px; }
.button { min-height: 54px; padding: 13px 25px; }
.primary { background: var(--deep); color: white; }
.secondary { border: 1px solid var(--deep); background: rgba(255, 255, 255, .45); }
.secondary:hover { background: #fff; transform: translateY(-2px); }
.trust { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 38px; color: var(--muted); font-size: .83rem; font-weight: 780; text-transform: uppercase; letter-spacing: .07em; }
.trust span::before { content: "✓"; color: var(--teal); margin-right: 8px; }
.hero-visual { position: relative; padding: 0 0 40px 28px; }
.hero-visual::before { content: ""; position: absolute; inset: 35px 35px 0 0; border-radius: 42% 58% 50% 50% / 45% 42% 58% 55%; background: var(--mist); }
.hero-slider { position: relative; z-index: 1; display: flex; overflow-x: auto; width: 100%; aspect-ratio: 4 / 5; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none; border-radius: 46% 46% 24px 24px; border: 6px solid #fff; box-shadow: 18px 20px 0 rgba(191, 112, 72, .18), var(--shadow); }
.hero-slider::-webkit-scrollbar { display: none; }
.hero-slide { flex: 0 0 100%; scroll-snap-align: start; min-width: 0; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-arrow { position: absolute; z-index: 3; top: 48%; width: 42px; height: 42px; border: 0; border-radius: 50%; display: grid; place-items: center; transform: translateY(-50%); background: rgba(255, 255, 255, .9); color: var(--deep); font-size: 1.15rem; cursor: pointer; box-shadow: 0 8px 24px rgba(7, 63, 72, .2); }
.hero-arrow:hover { background: #fff; transform: translateY(-50%) scale(1.05); }
.hero-previous { left: 44px; }
.hero-next { right: 18px; }
.hero-dots { position: absolute; z-index: 4; top: 34px; right: 28px; display: flex; gap: 7px; padding: 8px 10px; border-radius: 999px; background: rgba(7, 63, 72, .48); backdrop-filter: blur(7px); }
.hero-dots button { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 50%; background: rgba(255, 255, 255, .48); cursor: pointer; }
.hero-dots button.is-active { background: #fff; }
.hero-arrow:focus-visible, .hero-dots button:focus-visible, .hero-slider:focus-visible { outline: 3px solid var(--aqua); outline-offset: 3px; }
.hero-card { position: absolute; z-index: 4; left: 0; bottom: 5px; padding: 17px 22px; border-radius: 18px; background: #fff; box-shadow: 0 18px 45px rgba(7, 63, 72, .18); display: grid; color: var(--muted); }
.hero-card strong { color: var(--deep); font-family: Georgia, serif; font-size: 1.18rem; }
.services, .inspiration, .real-project { padding: 110px clamp(24px, 7vw, 110px); }
.section-head { display: grid; grid-template-columns: 1fr 1fr; column-gap: 8vw; align-items: end; margin-bottom: 55px; }
.section-head > .eyebrow { grid-column: 1 / -1; }
.section-head h2, .about h2, .area h2, .contact h2 { font-size: clamp(2.4rem, 4.5vw, 4.6rem); }
.section-head > p:last-child, .inspiration-head > p { color: var(--muted); font-size: 1.05rem; margin: 0; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.service-grid article { background: #fff; padding: 38px 28px; min-height: 300px; border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 10px 35px rgba(16, 73, 79, .06); transition: transform .2s ease, background .2s ease; }
.service-grid article:hover { background: var(--mist); transform: translateY(-5px); }
.icon { font-size: 2.4rem; color: var(--teal); height: 58px; }
.service-grid article { position: relative; overflow: hidden; }
.service-grid article::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 5px; background: var(--teal); }
.service-gas::before, .service-heat::before { background: var(--copper) !important; }
.service-gas .icon, .service-heat .icon { color: var(--copper); }
.service-climate::before { background: #5399c8 !important; }
.service-climate .icon { color: #3f8bbc; }
.service-grid h3 { font-size: 1.45rem; margin: 18px 0 10px; }
.service-grid p { color: var(--muted); margin: 0; }
.brand-band { margin: 0 clamp(24px, 7vw, 110px) 110px; min-height: 380px; padding: clamp(45px, 7vw, 86px); display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(35px, 8vw, 120px); align-items: end; color: #fff; border-radius: 30px; overflow: hidden; position: relative; isolation: isolate; background: #17292d url("assets/water-copper-banner.webp") center / cover no-repeat; box-shadow: var(--shadow); }
.brand-band::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(10, 23, 27, .9) 0%, rgba(10, 29, 33, .72) 52%, rgba(10, 29, 33, .38) 100%); }
.brand-band .eyebrow { color: #61e0e4; }
.brand-band h2 { margin: 0; max-width: 760px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.25rem, 4.4vw, 4.4rem); line-height: 1.06; letter-spacing: -.035em; }
.brand-band > p { margin: 0; max-width: 560px; font-size: 1.1rem; color: #e1eeef; border-left: 3px solid var(--copper); padding-left: 24px; }
.inspiration { background: var(--cream); }
.real-project { background: linear-gradient(180deg, #fffdf9 0%, var(--mist) 100%); }
.real-project-head > div { max-width: 720px; }
.real-project-gallery { background: #d8e9e8; }
.real-project-card { min-height: clamp(520px, 68vw, 820px); background: #d8e9e8; }
.real-project-card img { object-fit: contain; background: #d8e9e8; }
.real-project-card.landscape img { object-fit: cover; }
.real-project-card::after { inset: 64% 0 0; }
.inspiration-head > div { max-width: 650px; }
.gallery-shell { position: relative; }
.project-grid { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: none; border-radius: 28px; box-shadow: var(--shadow); }
.project-grid::-webkit-scrollbar { display: none; }
.project-card { flex: 0 0 100%; scroll-snap-align: start; margin: 0; position: relative; min-height: clamp(390px, 52vw, 680px); overflow: hidden; background: var(--mist); }
.project-card img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .45s ease; }
.project-card:hover img { transform: scale(1.025); }
.project-card::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, rgba(5, 47, 53, .78)); }
.project-card figcaption { position: absolute; z-index: 2; left: 0; right: 0; bottom: 0; padding: 28px; color: #fff; display: grid; }
.project-card figcaption span { font-size: .78rem; text-transform: uppercase; letter-spacing: .16em; font-weight: 800; color: #baf4f3; }
.project-card figcaption strong { font-family: Georgia, serif; font-size: clamp(1.35rem, 2vw, 2rem); }
.gallery-arrow { position: absolute; z-index: 4; top: 50%; width: 50px; height: 50px; border: 0; border-radius: 50%; display: grid; place-items: center; transform: translateY(-50%); background: rgba(255, 255, 255, .92); color: var(--deep); font-size: 1.35rem; cursor: pointer; box-shadow: 0 10px 28px rgba(7, 63, 72, .22); }
.gallery-arrow:hover { background: #fff; transform: translateY(-50%) scale(1.05); }
.gallery-arrow:focus-visible, .gallery-dots button:focus-visible, .project-grid:focus-visible { outline: 3px solid var(--aqua); outline-offset: 4px; }
.gallery-previous { left: 18px; }
.gallery-next { right: 18px; }
.gallery-dots { display: flex; justify-content: center; gap: 10px; margin-top: 22px; }
.gallery-dots button { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 999px; background: rgba(7, 63, 72, .23); cursor: pointer; transition: width .2s ease, background .2s ease; }
.gallery-dots button.is-active { width: 30px; background: var(--teal); }
.about { margin: 110px clamp(24px, 7vw, 110px); padding: 80px; display: grid; grid-template-columns: .75fr 1.25fr; gap: 8vw; background: linear-gradient(135deg, var(--deep), #0b5962); color: white; border-radius: 28px; box-shadow: var(--shadow); }
.about-number { display: flex; align-items: flex-start; gap: 18px; color: #c7eff0; }
.about-number strong { font-family: Georgia, serif; font-size: 6rem; line-height: .8; color: #76d9dc; }
.about-number span { border-left: 1px solid rgba(255, 255, 255, .3); padding-left: 18px; }
.about .eyebrow { color: #87e0e2; }
.owner-line { margin: 22px 0 8px; color: #fff; font-weight: 800; }
.about p:last-child { font-size: 1.08rem; color: #d3e5e6; max-width: 680px; }
.area { text-align: center; padding: 95px 24px; background: linear-gradient(180deg, var(--mist), #fffdf9); }
.area h2 { max-width: 950px; margin: auto; }
.contact { margin: 0 clamp(24px, 7vw, 110px); padding: 80px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 8vw; align-items: center; background: linear-gradient(135deg, #119ba6, #08727e); color: white; border-radius: 28px; box-shadow: var(--shadow); }
.contact .eyebrow { color: #d9ffff; }
.contact p { max-width: 680px; }
.contact-details { display: grid; gap: 10px; margin-top: 28px; }
.contact-details a { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: baseline; width: fit-content; max-width: 100%; }
.contact-details span { min-width: 78px; color: #bdeff1; font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.contact-details strong { overflow-wrap: anywhere; font-size: .98rem; }
.contact-details a:hover strong { text-decoration: underline; text-underline-offset: 4px; }
.contact-actions { display: grid; gap: 12px; }
.light { background: #fff; color: var(--deep); }
.light:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0, 0, 0, .14); }
.outline { border: 1px solid rgba(255, 255, 255, .75); }
.outline:hover { background: rgba(255, 255, 255, .12); transform: translateY(-2px); }
footer { padding: 70px clamp(24px, 7vw, 110px) 35px; display: grid; grid-template-columns: 1fr auto auto; gap: 28px; align-items: center; color: var(--muted); }
footer img { width: 180px; mix-blend-mode: multiply; }
.footer-contact { display: grid; gap: 4px; text-align: right; overflow-wrap: anywhere; }
.footer-contact a:hover { color: var(--teal); }
footer .legal { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 20px; font-size: .84rem; }
.footer-legal-links { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 10px 24px; padding-top: 4px; font-weight: 750; font-size: .9rem; }
.footer-legal-links a:hover { color: var(--teal); text-decoration: underline; text-underline-offset: 4px; }
.legal-page { min-height: calc(100vh - 88px); padding: clamp(58px, 8vw, 105px) clamp(22px, 10vw, 160px); background: radial-gradient(circle at 90% 0, rgba(38, 189, 197, .12), transparent 25%), #fffdf9; }
.legal-shell { max-width: 980px; margin: 0 auto; }
.legal-intro { margin-bottom: 52px; padding-bottom: 38px; border-bottom: 1px solid var(--line); }
.legal-intro h1 { margin: 0 0 22px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.8rem, 6vw, 5.3rem); line-height: 1; letter-spacing: -.04em; color: var(--deep); }
.legal-intro p { max-width: 760px; margin: 0; color: var(--muted); font-size: 1.05rem; }
.legal-content { display: grid; gap: 38px; }
.legal-content section { scroll-margin-top: 120px; }
.legal-content h2 { margin: 0 0 12px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.45rem, 3vw, 2.15rem); line-height: 1.2; color: var(--deep); }
.legal-content h3 { margin: 22px 0 8px; color: var(--deep); }
.legal-content p, .legal-content ul { margin: 0 0 12px; }
.legal-content ul { padding-left: 1.35rem; }
.legal-content a { color: var(--teal); font-weight: 700; overflow-wrap: anywhere; }
.legal-content a:hover { text-decoration: underline; text-underline-offset: 4px; }
.legal-facts { display: grid; grid-template-columns: minmax(160px, .42fr) 1fr; gap: 10px 28px; margin: 0; }
.legal-facts dt { font-weight: 800; color: var(--deep); }
.legal-facts dd { margin: 0; overflow-wrap: anywhere; }
.legal-note { padding: 20px 22px; border-left: 4px solid var(--copper); border-radius: 0 14px 14px 0; background: var(--cream); }
.back-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 50px; color: var(--teal); font-weight: 800; }
.back-link::before { content: "←"; }
.print-button { margin-top: 24px; min-height: 48px; padding: 11px 20px; border: 1px solid var(--deep); border-radius: 999px; background: var(--deep); color: #fff; font: inherit; font-weight: 780; cursor: pointer; }
.print-button:hover { background: #0a5560; }
.withdrawal-form { padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.form-line { display: block; min-height: 2.1rem; margin-top: 12px; border-bottom: 1px solid var(--muted); }
.mobile-contact-bar { display: none; }
@media print { .topbar, footer, .back-link, .print-button, .mobile-contact-bar { display: none !important; } .legal-page { padding: 0; background: #fff; } .legal-content { gap: 22px; } a { text-decoration: none; } }
@media (max-width: 1050px) { .topbar nav { gap: 17px; } .service-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 820px) {
  body { padding-bottom: calc(72px + env(safe-area-inset-bottom)); }
  .topbar { min-height: 76px; } .brand img { width: 145px; height: 52px; } .topbar nav { display: none; } .call-small { padding: 9px 15px; font-size: .86rem; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 64px; } .hero-visual { max-width: 620px; margin: 5px auto 0; } .hero-slider { aspect-ratio: 4 / 3; border-radius: 32px; }
  .section-head, .about, .contact, .brand-band { grid-template-columns: 1fr; } .inspiration-head > p { margin-top: 24px; }
  .brand-band { min-height: 430px; align-content: end; }
  .project-card { min-height: 420px; } .real-project-card { min-height: min(78vh, 760px); }
  .about, .contact { padding: 50px 34px; } .about-number { display: none; }
  footer { grid-template-columns: 1fr; text-align: center; } footer img { margin: auto; } .footer-contact { text-align: center; } .footer-legal-links { justify-content: center; }
  .mobile-contact-bar { position: fixed; z-index: 30; left: 12px; right: 12px; bottom: calc(10px + env(safe-area-inset-bottom)); display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 8px; border: 1px solid rgba(255, 255, 255, .22); border-radius: 18px; background: rgba(7, 63, 72, .94); box-shadow: 0 12px 36px rgba(5, 34, 39, .28); backdrop-filter: blur(16px); }
  .mobile-contact-bar a { min-height: 46px; display: grid; place-items: center; border-radius: 12px; color: #fff; font-weight: 800; }
  .mobile-contact-bar a:first-child { background: var(--teal); }
  .mobile-contact-bar a:last-child { border: 1px solid rgba(255, 255, 255, .55); }
  .mobile-contact-bar a:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }
}
@media (max-width: 560px) {
  .topbar { padding: 10px 16px; } .brand img { width: 124px; } .call-small { font-size: .78rem; padding: 8px 12px; }
  .hero { padding: 58px 22px 78px; } .hero h1 { font-size: 3.15rem; } .intro { margin: 24px 0; } .actions { display: grid; } .trust { display: grid; gap: 8px; margin-top: 30px; }
  .hero-visual { padding-left: 0; } .hero-card { left: 14px; right: 14px; bottom: 2px; } .hero-previous { left: 12px; } .hero-next { right: 12px; } .hero-dots { top: 16px; right: 16px; }
  .services, .inspiration, .real-project { padding: 75px 20px; } .section-head { display: block; } .section-head h2 { margin-bottom: 24px; }
  .service-grid { grid-template-columns: 1fr; } .service-grid article { min-height: 0; padding: 30px 26px; }
  .project-card { min-height: 300px; aspect-ratio: 4 / 3; } .real-project-card { min-height: 0; aspect-ratio: 3 / 4; } .real-project-card.landscape { aspect-ratio: 4 / 3; } .gallery-arrow { width: 42px; height: 42px; } .gallery-previous { left: 10px; } .gallery-next { right: 10px; } .about, .contact { margin: 75px 20px; padding: 44px 27px; }
  .brand-band { margin: 0 20px 75px; min-height: 500px; padding: 38px 26px; background-position: 64% center; }
  .area { padding: 75px 22px; } .contact h2 { font-size: 2.7rem; } footer { padding-top: 40px; }
  .legal-facts { grid-template-columns: 1fr; gap: 2px; } .legal-facts dd { margin-bottom: 12px; }
}
@media (prefers-reduced-motion: reduce) { html, .project-grid, .hero-slider { scroll-behavior: auto; } .project-card img, .gallery-arrow, .gallery-dots button, .hero-arrow { transition: none; } }