@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  color-scheme: light;
  --navy: #1f3034;
  --navy-deep: #004d50;
  --blue: #007a7a;
  --green: #006d70;
  --green-dark: #005d60;
  --ink: #1f2d32;
  --muted: #4f6369;
  --line: #d5e3e3;
  --pale: #edf5f5;
  --white: #fff;
  --content: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: "DM Sans", Arial, sans-serif; font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.container { width: min(var(--content), calc(100% - 64px)); margin-inline: auto; }

.site-header { position: relative; z-index: 5; background: var(--white); }
.topline { color: #30464d; background: #edf5f5; font-size: 12px; letter-spacing: .035em; }
.topline-inner { min-height: 35px; display: flex; align-items: center; justify-content: space-between; }
.topline a { color: var(--navy); }
.topline strong { color: var(--green-dark); font-weight: 700; }
.nav-wrap { height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand-logo { width: 172px; height: 74px; object-fit: contain; }
.brand-mark { width: 43px; height: 43px; display: grid; place-items: center; color: var(--white); background: var(--green); border-radius: 50%; font-family: "Manrope", sans-serif; font-size: 27px; font-weight: 800; line-height: 1; }
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { color: var(--navy); font-family: "Manrope", sans-serif; font-size: 19px; letter-spacing: .14em; }
.brand-copy small { margin-top: 4px; color: #5d6f78; font-size: 10px; font-weight: 700; letter-spacing: .16em; }
.main-nav { display: flex; align-items: center; gap: clamp(18px, 2.8vw, 40px); margin-left: auto; }
.main-nav a { position: relative; color: #435b6d; font-size: 13px; font-weight: 600; transition: color .2s ease; }
.main-nav a::after { position: absolute; right: 0; bottom: -7px; left: 0; height: 2px; content: ""; background: var(--green); transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.main-nav a:hover { color: var(--navy); }
.main-nav a:hover::after { transform: scaleX(1); }
.nav-cta { display: inline-flex; align-items: center; gap: 14px; padding: 11px 15px; color: var(--navy); border: 1px solid #d5e0e5; border-radius: 3px; font-size: 12px; font-weight: 700; white-space: nowrap; transition: background .2s ease, border-color .2s ease; }
.nav-cta span, .card-link span, .contact-action span { color: var(--green-dark); font-size: 16px; }
.nav-cta:hover { border-color: var(--green); background: #f7fae9; }
.mobile-menu { display: none; }

.hero { position: relative; overflow: hidden; color: var(--white); background: var(--blue); }
.hero-shape { position: absolute; top: -220px; right: -100px; width: 660px; height: 660px; border: 1px solid rgba(255,255,255,.13); border-radius: 50%; }
.hero-shape::before, .hero-shape::after { position: absolute; inset: 45px; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; content: ""; }
.hero-shape::after { inset: 100px; }
.hero-layout { position: relative; display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 70px; padding-top: 72px; padding-bottom: 65px; }
.hero-copy { position: relative; z-index: 1; padding-bottom: 6px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 20px; color: #f0fdfd; font-size: 12px; font-weight: 700; letter-spacing: .17em; line-height: 1.5; }
.eyebrow > span { width: 20px; height: 2px; background: var(--green); }
.eyebrow-dark { color: #425861; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: "Manrope", "DM Sans", sans-serif; letter-spacing: -.045em; }
.hero h1 { margin: 0 0 22px; font-size: clamp(44px, 5.4vw, 68px); font-weight: 600; line-height: 1.08; }
h1 em, h2 em { color: var(--green); font-style: normal; }
.hero h1 em { color: #c9eded; }
.hero-intro { max-width: 490px; margin-bottom: 30px; color: #f3fdfd; font-size: 16px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 25px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 22px; padding: 0 19px; border: 1px solid transparent; border-radius: 2px; font-size: 12px; font-weight: 700; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-green { color: var(--white); background: var(--green-dark); }
.button-green:hover { background: #005257; }
.button span { font-size: 17px; }
.text-link { display: inline-flex; align-items: center; gap: 13px; color: var(--white); font-size: 12px; font-weight: 600; }
.text-link span { color: var(--green); font-size: 17px; }
.hero-proof { display: flex; align-items: center; gap: 13px; margin-top: 43px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.24); }
.proof-icon { width: 30px; height: 30px; display: grid; place-items: center; color: #d0eeee; border: 1px solid rgba(208,238,238,.5); border-radius: 50%; font-size: 13px; }
.hero-proof p { margin: 0; color: #ebfdfd; font-size: 12px; line-height: 1.7; }
.hero-proof strong { color: var(--white); font-size: 12px; }
.hero-visual { position: relative; padding: 0 0 24px 24px; }
.hero-visual::before { position: absolute; top: -18px; right: -18px; width: 118px; height: 118px; border-top: 2px solid var(--green); border-right: 2px solid var(--green); content: ""; }
.hero-visual > img { position: relative; z-index: 1; width: 100%; height: 380px; object-fit: cover; object-position: center; box-shadow: 0 24px 32px rgba(18, 52, 55, 0.18); }
.image-label { position: absolute; z-index: 2; right: -21px; bottom: 0; display: flex; align-items: center; gap: 12px; min-width: 235px; padding: 16px 19px; color: var(--navy); background: var(--white); box-shadow: 0 10px 35px rgba(0,0,0,.16); }
.label-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); }
.image-label strong, .image-label small { display: block; }
.image-label strong { font-family: "Manrope", sans-serif; font-size: 11px; }
.image-label small { margin-top: 2px; color: var(--muted); font-size: 10px; }
.hero-bottom { border-top: 1px solid rgba(255,255,255,.2); }
.hero-bottom-inner { display: flex; min-height: 52px; align-items: center; justify-content: space-between; color: #edfdfd; font-size: 11px; letter-spacing: .06em; }
.bottom-line { width: 45px; height: 1px; margin-inline: 20px; background: var(--green); }

.stats { padding: 30px 0; border-bottom: 1px solid var(--line); background: #fbfcfc; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr) 1.5fr; align-items: center; gap: 25px; }
.stat { display: flex; align-items: center; gap: 12px; border-right: 1px solid var(--line); }
.stat strong { color: var(--navy); font-family: "Manrope", sans-serif; font-size: 25px; font-weight: 600; letter-spacing: -.04em; }
.stat span { color: var(--muted); font-size: 11px; line-height: 1.5; }
.stats-grid > p { margin: 0 0 0 10px; color: #617481; font-size: 11px; line-height: 1.7; }

.section { padding: 100px 0; }
.services { background: var(--white); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 45px; margin-bottom: 42px; }
.section-heading .eyebrow { margin-bottom: 16px; }
.section-heading h2, .about-copy h2, .contact-heading h2 { margin: 0; color: var(--navy); font-size: clamp(34px, 4vw, 47px); font-weight: 600; line-height: 1.16; }
.section-heading h2 em, .about-copy h2 em, .contact-heading h2 em { color: var(--green-dark); }
.section-intro { max-width: 370px; margin: 0 0 5px; color: #42565d; font-size: 15px; line-height: 1.9; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; }
.service-card { overflow: hidden; border: 1px solid var(--line); background: var(--white); transition: transform .25s ease, box-shadow .25s ease; }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 15px 35px rgba(0,91,96,.12); }
.service-image { position: relative; overflow: hidden; height: 170px; background: var(--pale); }
.service-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.service-card:hover .service-image img { transform: scale(1.04); }
.service-number { position: absolute; top: 12px; left: 12px; display: grid; width: 29px; height: 29px; place-items: center; color: var(--navy); background: var(--green); font-size: 10px; font-weight: 700; }
.service-content { padding: 20px 19px 21px; }
.service-tag { display: block; min-height: 23px; color: #7b8b95; font-size: 7px; font-weight: 700; letter-spacing: .11em; }
.service-content h3 { margin: 9px 0 9px; color: var(--navy); font-family: "Manrope", sans-serif; font-size: 17px; letter-spacing: -.025em; }
.service-content p { min-height: 105px; margin: 0; color: #415966; font-size: 14px; line-height: 1.8; }
.card-link { display: inline-flex; align-items: center; gap: 11px; margin-top: 17px; color: var(--navy); font-size: 12px; font-weight: 700; }
.service-note { display: flex; align-items: center; gap: 12px; margin-top: 25px; padding: 15px 19px; color: #334d5b; background: #edf5f5; font-size: 12px; }
.note-check { display: grid; width: 21px; height: 21px; flex: 0 0 auto; place-items: center; color: var(--navy); border-radius: 50%; background: var(--green); font-size: 11px; font-weight: 700; }

.about-section { padding: 95px 0; background: #edf5f5; }
.about-layout { display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 90px; }
.about-photo { position: relative; padding: 0 24px 24px 0; }
.about-photo::before { position: absolute; right: 0; bottom: 0; width: 75%; height: 78%; background: var(--green); content: ""; }
.about-photo img { position: relative; z-index: 1; width: 100%; height: 370px; object-fit: cover; }
.about-badge { position: absolute; z-index: 2; right: -28px; bottom: 35px; display: flex; align-items: center; gap: 10px; padding: 15px 19px; color: var(--white); background: var(--green); }
.about-badge strong { font-family: "Manrope", sans-serif; font-size: 32px; font-weight: 600; line-height: 1; }
.about-badge span { color: #e5f4f4; font-size: 12px; line-height: 1.5; }
.about-copy .eyebrow { margin-bottom: 14px; }
.about-copy h2 { margin-bottom: 22px; }
.about-copy > p:not(.eyebrow) { margin-bottom: 14px; color: #33515a; font-size: 15px; line-height: 1.9; }
.brand-list { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 22px 0; }
.brand-item { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 10px 16px; border: 1px solid #d5dfe3; background: rgba(255,255,255,.55); text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.brand-item:hover { transform: translateY(-1px); border-color: #b5c7cc; box-shadow: 0 8px 18px rgba(15,53,58,.08); }
.brand-vaillant { color: #0a6b6e; font-family: "Manrope", sans-serif; font-size: clamp(22px, 2.2vw, 30px); font-weight: 800; letter-spacing: -.06em; }
.brand-termet { color: #0d2f7d; font-family: "Arial Black", "Segoe UI", sans-serif; font-size: clamp(20px, 2vw, 26px); font-weight: 900; letter-spacing: -.05em; text-transform: uppercase; }
.brand-saunier { color: #1d2e39; font-family: "Manrope", sans-serif; font-size: clamp(16px, 1.5vw, 22px); font-weight: 700; letter-spacing: -.03em; }
.button-outline { min-height: 39px; padding-inline: 13px; color: var(--navy); border-color: #bfcbd1; font-size: 12px; }
.button-outline:hover { background: var(--white); }
.cert-link { display: inline-block; margin-left: 15px; color: #687b88; font-size: 12px; }
.cert-link:hover { color: var(--navy); text-decoration: underline; }

.advice-section { padding: 96px 0; color: var(--white); background: var(--navy-deep); }
.advice-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 95px; }
.advice-heading h2 { margin: 0 0 18px; font-size: clamp(35px, 4vw, 48px); font-weight: 600; line-height: 1.14; }
.advice-heading > p:not(.eyebrow) { max-width: 320px; margin-bottom: 26px; color: #ebf7f7; font-size: 14px; line-height: 1.9; }
.advice-link { color: var(--white); }
.advice-list { padding-top: 5px; }
.advice-item { display: grid; grid-template-columns: 42px 1fr; align-items: start; gap: 16px; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.17); }
.advice-item > span { color: var(--green); font-family: "Manrope", sans-serif; font-size: 11px; font-weight: 700; }
.advice-item p { margin: 0; color: #f0f9f9; font-size: 14px; line-height: 1.8; }
.safety-warning { display: flex; align-items: start; gap: 13px; margin-top: 20px; padding: 16px; color: var(--navy); background: #e5f2f2; }
.safety-warning > span { display: grid; width: 23px; height: 23px; flex: 0 0 auto; place-items: center; color: var(--navy); border-radius: 50%; background: var(--green); font-weight: 800; }
.safety-warning p { margin: 0; color: #425563; font-size: 12px; line-height: 1.8; }
.safety-warning strong { color: var(--navy); }

.callout { padding: 38px 0; color: var(--navy); background: #d9eeee; }
.callout-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.callout .eyebrow { margin-bottom: 9px; color: #385456; font-size: 10px; }
.callout h2 { margin: 0; font-size: 25px; font-weight: 600; line-height: 1.25; }
.callout .button { min-width: 195px; font-family: "Manrope", sans-serif; font-size: 14px; }
.callout .button-green { color: var(--white); background: var(--green-dark); }
.callout .button-green:hover { background: var(--navy-deep); }

.contact-section { padding: 95px 0 82px; background: #fff; }
.contact-heading { margin-bottom: 37px; }
.contact-heading .section-intro { max-width: 335px; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; }
.contact-card { min-height: 233px; padding: 23px 24px 20px; border: 1px solid var(--line); background: var(--white); }
.contact-card.contact-primary { border-top: 3px solid var(--green); }
.contact-icon { display: grid; width: 30px; height: 30px; place-items: center; color: var(--navy); background: #e4f1f1; font-size: 15px; }
.contact-label { display: block; margin-top: 15px; color: #596e78; font-size: 10px; font-weight: 700; letter-spacing: .16em; }
.phone-number { display: inline-block; margin: 4px 0 2px; color: var(--navy); font-family: "Manrope", sans-serif; font-size: 23px; font-weight: 700; }
.contact-card > strong { display: block; margin-top: 7px; color: var(--navy); font-family: "Manrope", sans-serif; font-size: 12px; }
.contact-card p { margin: 5px 0 10px; color: #4d5d67; font-size: 12px; line-height: 1.8; }
.contact-action { display: inline-flex; align-items: center; gap: 10px; color: var(--navy); font-size: 11px; font-weight: 700; }
.service-callout { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-top: 17px; padding: 19px 22px; background: #edf5f5; }
.service-callout > div { display: flex; align-items: center; gap: 13px; }
.callout-icon { display: grid; width: 25px; height: 25px; flex: 0 0 auto; place-items: center; color: var(--navy); border: 1px solid #aebdc5; border-radius: 50%; font-size: 12px; font-weight: 700; }
.service-callout p { margin: 0; color: #425861; font-size: 12px; line-height: 1.7; }
.service-callout p strong { color: var(--navy); font-size: 12px; }
.service-callout > a { flex: 0 0 auto; color: var(--navy); font-size: 12px; font-weight: 700; }
.service-callout > a span { margin-left: 8px; color: var(--green-dark); font-size: 15px; }

.site-footer { color: #c3d0d8; background: var(--navy-deep); }
.footer-main { display: flex; align-items: center; justify-content: space-between; gap: 35px; padding-top: 31px; padding-bottom: 29px; }
.brand-footer .brand-copy strong { color: var(--white); }
.brand-footer .brand-copy small { color: #9fb0bb; }
.footer-main > p { margin: 0 auto 0 0; color: #dfeaf0; font-size: 12px; line-height: 1.8; }
.footer-phone { color: var(--white); font-family: "Manrope", sans-serif; font-size: 15px; font-weight: 700; }
.footer-phone span { margin-left: 8px; color: var(--green); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 13px; padding-bottom: 14px; border-top: 1px solid rgba(255,255,255,.12); color: #dfeaf0; font-size: 12px; }

a:focus-visible, summary:focus-visible { outline: 3px solid #b9db35; outline-offset: 4px; }

@media (min-width: 1400px) {
  .hero-layout { padding-top: 83px; padding-bottom: 77px; }
  .hero-visual > img { height: 420px; }
}

@media (max-width: 980px) {
  .container { width: min(var(--content), calc(100% - 44px)); }
  .nav-wrap { gap: 20px; }
  .main-nav { gap: 18px; }
  .main-nav a { font-size: 12px; }
  .nav-cta { padding: 10px 11px; font-size: 12px; }
  .hero-layout { gap: 38px; }
  .hero-visual > img { height: 335px; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .service-content p { min-height: 75px; }
  .about-layout { gap: 60px; }
  .advice-layout { gap: 55px; }
}

@media (max-width: 700px) {
  html { scroll-padding-top: 18px; }
  .container { width: calc(100% - 38px); }
  .topline-inner { min-height: 34px; font-size: 12px; }
  .topline-inner > span { max-width: 60%; }
  .nav-wrap { height: 70px; }
  .brand-logo { width: 150px; height: 65px; }
  .brand-mark { width: 39px; height: 39px; font-size: 24px; }
  .brand-copy strong { font-size: 17px; }
  .main-nav, .nav-cta { display: none; }
  .mobile-menu { position: relative; display: block; }
  .mobile-menu summary { display: grid; width: 39px; height: 39px; align-content: center; justify-items: center; gap: 5px; border: 1px solid var(--line); list-style: none; cursor: pointer; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu summary span { width: 17px; height: 2px; background: var(--navy); }
  .mobile-menu[open] nav { position: absolute; top: 48px; right: 0; z-index: 10; display: grid; min-width: 200px; padding: 8px; border: 1px solid var(--line); background: var(--white); box-shadow: 0 12px 30px rgba(6,44,75,.12); }
  .mobile-menu nav a { padding: 10px 12px; color: var(--navy); font-size: 12px; font-weight: 600; }
  .mobile-menu nav a:hover { background: #f4f7f8; }
  .hero-layout { grid-template-columns: 1fr; gap: 42px; padding-top: 54px; padding-bottom: 40px; }
  .hero h1 { font-size: clamp(43px, 11vw, 59px); }
  .hero-intro { max-width: 530px; font-size: 16px; }
  .hero-proof { margin-top: 30px; }
  .hero-visual { width: calc(100% - 12px); margin-right: 12px; padding-left: 12px; }
  .hero-visual > img { height: clamp(230px, 65vw, 360px); }
  .hero-visual::before { top: -11px; right: -11px; width: 75px; height: 75px; }
  .image-label { right: -9px; min-width: 205px; padding: 13px 15px; }
  .hero-bottom-inner { min-height: 46px; font-size: 10px; }
  .hero-bottom-inner > span:first-child { max-width: 51%; }
  .bottom-line { width: 20px; margin-inline: 8px; }
  .hero-shape { top: 30px; right: -270px; }
  .stats { padding: 23px 0; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .stat { display: block; padding-right: 4px; }
  .stat strong { display: block; font-size: 22px; }
  .stat span { display: block; margin-top: 3px; font-size: 10px; }
  .stat:nth-child(3) { border-right: 0; }
  .stats-grid > p { grid-column: 1 / -1; margin: 8px 0 0; padding-top: 13px; border-top: 1px solid var(--line); font-size: 12px; }
  .section { padding: 69px 0; }
  .section-heading { display: block; margin-bottom: 28px; }
  .section-heading h2, .about-copy h2, .contact-heading h2 { font-size: 36px; }
  .section-intro { margin-top: 17px; font-size: 15px; }
  .service-grid { grid-template-columns: 1fr; gap: 14px; }
  .service-card { display: grid; grid-template-columns: 39% 61%; }
  .service-image { height: 100%; min-height: 230px; }
  .service-content { padding: 17px 15px; }
  .service-tag { min-height: auto; font-size: 7px; }
  .service-content h3 { font-size: 16px; }
  .service-content p { min-height: 0; font-size: 14px; }
  .card-link { margin-top: 13px; font-size: 12px; }
  .service-note { align-items: start; padding: 13px; font-size: 12px; }
  .about-section { padding: 67px 0; }
  .about-layout { grid-template-columns: 1fr; gap: 38px; }
  .about-photo { max-width: 520px; padding-right: 18px; padding-bottom: 18px; }
  .about-photo img { height: clamp(245px, 65vw, 340px); }
  .about-badge { right: -9px; bottom: 29px; padding: 12px 15px; }
  .about-copy h2 { margin-bottom: 17px; }
  .about-copy > p:not(.eyebrow) { font-size: 15px; }
  .brand-list { flex-wrap: wrap; }
  .cert-link { display: block; margin: 13px 0 0; }
  .advice-section { padding: 68px 0; }
  .advice-layout { grid-template-columns: 1fr; gap: 28px; }
  .advice-heading h2 { font-size: 38px; }
  .advice-item { grid-template-columns: 31px 1fr; gap: 9px; }
  .advice-item p { font-size: 14px; }
  .safety-warning { padding: 13px; }
  .safety-warning p { font-size: 12px; }
  .callout { padding: 30px 0; }
  .callout-inner { align-items: flex-start; flex-direction: column; gap: 20px; }
  .callout h2 { font-size: 23px; }
  .callout .button { width: 100%; }
  .contact-section { padding: 68px 0 58px; }
  .contact-grid { grid-template-columns: 1fr; gap: 12px; }
  .contact-card { min-height: 0; padding: 19px; }
  .contact-heading { margin-bottom: 27px; }
  .contact-heading .section-intro { margin-top: 16px; }
  .service-callout { align-items: flex-start; flex-direction: column; gap: 12px; padding: 16px; }
  .service-callout p { font-size: 12px; }
  .footer-main { align-items: flex-start; flex-direction: column; gap: 17px; padding-top: 25px; padding-bottom: 22px; }
  .footer-main > p { margin: 0; }
  .footer-bottom { flex-direction: column; gap: 3px; padding-top: 12px; padding-bottom: 12px; font-size: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}