:root {
  --navy: #071f31;
  --ink: #132c3b;
  --muted: #647985;
  --blue: #087fc4;
  --cyan: #08a7c4;
  --green: #16b78f;
  --sky: #eaf7fb;
  --paper: #f4f6f7;
  --line: #dce5e9;
  --white: #fff;
  --shell: min(1140px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: #fff;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
svg { display: block; }
h1, h2, h3, p { margin-top: 0; }
.shell { width: var(--shell); margin-inline: auto; }
.section { padding: 7rem 0; }
.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; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .7rem 1rem; border-radius: 3px; background: #fff; color: var(--navy); }
.skip-link:focus { top: 1rem; }

.masthead { position: absolute; z-index: 20; inset: 0 0 auto; padding-top: 28px; color: #fff; }
.identity-row { display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin-bottom: 18px; }
.identity-row > p { margin: 0; color: rgba(255,255,255,.82); font-size: .82rem; font-weight: 700; }
.brand { display: inline-flex; align-items: center; gap: .7rem; flex: 0 0 auto; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.4); border-radius: 7px; background: rgba(4,28,44,.34); }
.brand-mark svg { width: 31px; fill: #fff; }
.brand-mark .spark { fill: #21b9ff; }
.brand-name { color: #fff; font-size: 1.1rem; line-height: .95; letter-spacing: -.035em; font-weight: 850; }
.brand-name > span { color: #25baff; }
.brand-name small { display: block; margin-top: .42rem; color: rgba(255,255,255,.72); font-size: .49rem; letter-spacing: .17em; font-weight: 700; }
.nav-bar { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 0 20px 0 30px; color: var(--ink); background: rgba(255,255,255,.97); box-shadow: 0 12px 38px rgba(4,22,34,.16); }
.nav-bar nav { display: flex; align-items: center; gap: 2.4rem; }
.nav-bar nav a { position: relative; font-size: .94rem; font-weight: 700; }
.nav-bar nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -.55rem; height: 2px; background: var(--blue); transition: right .2s ease; }
.nav-bar nav a:hover::after, .nav-bar nav a:focus-visible::after { right: 0; }
.nav-contact, .primary-button, .contact-button { display: inline-flex; align-items: center; justify-content: center; gap: .7rem; min-height: 46px; padding: .7rem 1.15rem; color: #fff; background: #087fc4; font-size: .9rem; font-weight: 800; transition: background .2s ease, transform .2s ease; }
.nav-contact:hover, .nav-contact:focus-visible, .primary-button:hover, .primary-button:focus-visible, .contact-button:hover, .contact-button:focus-visible { background: #006da9; transform: translateY(-1px); }

.hero {
  position: relative;
  min-height: 780px;
  isolation: isolate;
  overflow: hidden;
  color: #fff;
  background: var(--navy) url('/assets/hero-technician-v4.webp') center / cover no-repeat;
}
.hero::before { content: ""; position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, rgba(3,22,35,.93) 0%, rgba(3,22,35,.76) 46%, rgba(3,22,35,.22) 78%, rgba(3,22,35,.08) 100%); }
.hero-inner { min-height: 780px; display: flex; align-items: flex-start; padding-top: 190px; padding-bottom: 105px; }
.hero-copy { width: min(670px, 63%); }
.overline, .section-label { margin-bottom: 1.15rem; color: #40c7ff; text-transform: uppercase; letter-spacing: .15em; font-size: .72rem; line-height: 1.4; font-weight: 850; }
.hero h1 { max-width: 670px; margin-bottom: 1.3rem; font-size: clamp(3.1rem, 5.2vw, 5rem); line-height: 1.01; letter-spacing: -.052em; font-weight: 800; }
.hero-copy > p:not(.overline) { max-width: 570px; margin-bottom: 1.8rem; color: #d4e2e9; font-size: 1.06rem; line-height: 1.7; }
.primary-button { min-height: 54px; padding-inline: 1.45rem; background: #078ed5; }

.service-showcase { position: relative; z-index: 3; margin-top: -110px; padding-bottom: 7rem; }
.showcase-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); box-shadow: 0 22px 55px rgba(9,42,59,.18); }
.showcase-card { min-width: 0; display: flex; flex-direction: column; color: #fff; overflow: hidden; transition: transform .22s ease; }
.showcase-card:hover, .showcase-card:focus-visible { transform: translateY(-7px); }
.showcase-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.showcase-card > span { min-height: 165px; display: grid; grid-template-columns: auto 1fr; align-content: center; column-gap: 1rem; padding: 1.35rem 1.5rem; }
.showcase-card small { grid-row: 1 / span 2; padding-top: .18rem; color: rgba(255,255,255,.78); font-size: .68rem; letter-spacing: .12em; }
.showcase-card strong { font-size: 1.22rem; line-height: 1.2; }
.showcase-card em { margin-top: .4rem; color: rgba(255,255,255,.82); font-size: .82rem; font-style: normal; line-height: 1.45; }
.card-electric > span { background: var(--blue); }
.card-refrigeration > span { background: var(--cyan); }
.card-climate > span { background: var(--green); }

.intro { padding-top: 1rem; padding-bottom: 7rem; }
.intro-grid { display: grid; grid-template-columns: .46fr 1.3fr; gap: 5rem; align-items: start; }
.intro .section-label { margin-top: .7rem; color: #0786ca; }
.intro h2, .detail-heading h2, .commitment-heading h2, .contact-panel h2 { margin-bottom: 1.4rem; font-size: clamp(2.4rem, 4.5vw, 4.1rem); line-height: 1.06; letter-spacing: -.048em; }
.lead { max-width: 760px; margin: 0; color: var(--muted); font-size: 1.13rem; line-height: 1.8; }

.service-detail { border-top: 1px solid var(--line); background: var(--paper); }
.detail-cool { border-top: 0; background: var(--sky); }
.detail-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); gap: clamp(4rem, 9vw, 8rem); align-items: start; }
.detail-heading { min-width: 0; }
.detail-number { display: inline-flex; margin-bottom: 3.2rem; color: #8ca0aa; font-size: .72rem; letter-spacing: .16em; }
.detail-heading .section-label { color: #0a84c4; }
.detail-heading h2 { max-width: 650px; font-size: clamp(2.15rem, 3.7vw, 3.45rem); }
.detail-heading > p:last-child { max-width: 610px; margin: 0; color: var(--muted); line-height: 1.75; }
.service-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid #cad8de; }
.service-list li { min-width: 0; display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: .75rem; padding: 1.05rem 0; border-bottom: 1px solid #cad8de; color: #2b4451; line-height: 1.45; }
.service-list span { padding-top: .14rem; color: #0b8dcd; font-size: .67rem; letter-spacing: .1em; }

.commitments { color: #fff; background: var(--navy); }
.commitment-heading { display: grid; grid-template-columns: .48fr 1.25fr; gap: 5rem; align-items: start; margin-bottom: 3.5rem; }
.commitment-heading .section-label { margin-top: .65rem; color: #52ccff; }
.commitment-heading h2 { max-width: 780px; margin-bottom: 0; }
.commitment-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); }
.commitment-grid article { min-width: 0; min-height: 265px; padding: 1.7rem 1.5rem; border-right: 1px solid rgba(255,255,255,.18); }
.commitment-grid article:last-child { border-right: 0; }
.commitment-grid span { display: block; margin-bottom: 5rem; color: #50caff; font-size: .68rem; letter-spacing: .12em; }
.commitment-grid h3 { margin-bottom: .75rem; font-size: 1.08rem; line-height: 1.35; }
.commitment-grid p { margin: 0; color: #93aab7; font-size: .9rem; line-height: 1.65; }

.contact { background: #fff; }
.contact-panel { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(330px, .85fr); overflow: hidden; color: #fff; background: linear-gradient(120deg, #078bce, #04a6c0); box-shadow: 0 22px 55px rgba(5,105,153,.16); }
.contact-panel > div { padding: clamp(2.5rem, 6vw, 5rem); }
.contact-panel .section-label { color: #d8f5ff; }
.contact-panel h2 { max-width: 720px; font-size: clamp(2.35rem, 4.4vw, 3.9rem); }
.contact-button { margin-top: .7rem; color: #0975ae; background: #fff; }
.contact-button:hover, .contact-button:focus-visible { color: #075f90; background: #eaf8fc; }
.contact-panel address { display: grid; align-content: center; padding: 2rem clamp(2rem, 5vw, 4rem); background: rgba(2,35,53,.18); font-style: normal; }
.contact-panel address a { display: block; padding: 1.7rem 0; border-bottom: 1px solid rgba(255,255,255,.24); }
.contact-panel address a:last-child { border-bottom: 0; }
.contact-panel address small { display: block; margin-bottom: .45rem; color: #caecf7; text-transform: uppercase; letter-spacing: .12em; font-size: .65rem; font-weight: 700; }
.contact-panel address strong { display: block; overflow-wrap: anywhere; font-size: clamp(1.1rem, 2vw, 1.45rem); line-height: 1.4; }
.contact-panel address .whatsapp-line { display: flex; align-items: center; gap: .7rem; }
.whatsapp-line svg { flex: 0 0 25px; width: 25px; height: 25px; fill: #fff; }

footer { padding: 3.5rem 0; color: #fff; background: #051927; }
.footer-inner { display: grid; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; gap: 2.5rem; }
.footer-inner > p { margin: 0; color: #7e98a6; font-size: .76rem; text-align: center; }
.footer-inner > p:last-child { text-align: right; }

@media (max-width: 960px) {
  .nav-bar nav { gap: 1.5rem; }
  .hero-copy { width: min(680px, 75%); }
  .intro-grid, .commitment-heading { grid-template-columns: 1fr; gap: 1.4rem; }
  .detail-grid { gap: 3rem; }
  .commitment-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .commitment-grid article:nth-child(2) { border-right: 0; }
  .commitment-grid article:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.18); }
  .contact-panel { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; justify-items: center; }
  .footer-inner > p:last-child { text-align: center; }
}

@media (max-width: 720px) {
  :root { --shell: min(100% - 28px, 1140px); }
  .section { padding: 4.8rem 0; }
  .masthead { padding-top: 14px; }
  .identity-row { margin-bottom: 10px; }
  .identity-row > p { display: none; }
  .brand-mark { width: 37px; height: 37px; }
  .brand-mark svg { width: 28px; }
  .brand-name { font-size: .96rem; }
  .nav-bar { min-height: 58px; padding-inline: 12px; }
  .nav-bar nav a { display: none; }
  .nav-bar nav a:first-child, .nav-bar nav a:nth-child(2) { display: inline-flex; }
  .nav-bar nav { gap: 1.15rem; }
  .nav-bar nav a { font-size: .83rem; }
  .nav-contact { min-height: 40px; padding-inline: .8rem; font-size: .76rem; }
  .hero { min-height: 760px; background-position: 58% center; }
  .hero::before { background: linear-gradient(90deg, rgba(3,22,35,.94), rgba(3,22,35,.56)), linear-gradient(0deg, rgba(3,22,35,.62), transparent 50%); }
  .hero-inner { min-height: 760px; align-items: flex-end; padding-top: 190px; padding-bottom: 145px; }
  .hero-copy { width: 100%; }
  .overline { max-width: 280px; }
  .hero h1 { font-size: clamp(2.55rem, 12.5vw, 3.55rem); overflow-wrap: break-word; }
  .hero-copy > p:not(.overline) { font-size: 1rem; }
  .service-showcase { margin-top: -88px; padding-bottom: 5rem; }
  .showcase-grid { grid-template-columns: 1fr; box-shadow: 0 18px 40px rgba(9,42,59,.14); }
  .showcase-card { display: grid; grid-template-columns: 42% 58%; }
  .showcase-card img { height: 100%; aspect-ratio: auto; object-fit: cover; }
  .showcase-card > span { min-height: 150px; padding: 1.15rem; }
  .showcase-card:hover, .showcase-card:focus-visible { transform: none; }
  .intro { padding-top: 1rem; }
  .intro h2, .detail-heading h2, .commitment-heading h2, .contact-panel h2 { font-size: clamp(2.15rem, 10vw, 3rem); }
  .detail-grid, .contact-panel { grid-template-columns: 1fr; }
  .detail-number { margin-bottom: 2rem; }
  .commitment-grid { grid-template-columns: 1fr; }
  .commitment-grid article { min-height: 220px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .commitment-grid article:last-child { border-bottom: 0; }
  .commitment-grid span { margin-bottom: 3.2rem; }
  .contact-panel > div, .contact-panel address { padding: 2.2rem 1.4rem; }
}

@media (max-width: 390px) {
  :root { --shell: min(100% - 22px, 1140px); }
  .nav-bar nav a:nth-child(2) { display: none; }
  .hero h1 { font-size: 2.42rem; }
  .showcase-card { grid-template-columns: 38% 62%; }
  .showcase-card strong { font-size: 1.05rem; }
  .showcase-card em { font-size: .75rem; }
}

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