:root {
  --navy: #063466;
  --navy-deep: #03274d;
  --blue: #1f62bd;
  --green: #57ae25;
  --ink: #122c4f;
  --muted: #4c5a6d;
  --line: #e5e9ee;
  --white: #fff;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  color: var(--ink);
  background: #edf1f4;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: #edf1f4; line-height: 1.5; }
a { color: inherit; text-decoration: none; }
.site { width: min(1120px, 100%); margin: 0 auto; overflow: hidden; background: #fff; box-shadow: 0 0 32px rgba(8, 39, 69, .12); }
[id] { scroll-margin-top: 96px; }
a:focus-visible, summary:focus-visible { outline: 3px solid rgba(87, 174, 37, .7); outline-offset: 4px; }

.site-header { position: sticky; top: 0; z-index: 20; height: 88px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.96); backdrop-filter: blur(12px); }
.header-inner { height: 100%; padding: 0 40px; display: flex; align-items: center; gap: 22px; }
.logo { display: flex; flex: 0 0 150px; width: 150px; height: 60px; align-items: center; }
.logo img { display: block; width: 150px; height: auto; }
.desktop-nav { display: flex; gap: 20px; align-items: center; margin-left: auto; white-space: nowrap; }
.desktop-nav a { padding: 14px 0; font-size: 12px; font-weight: 700; text-transform: uppercase; transition: color .2s ease; }
.desktop-nav a:hover, .site-footer nav a:hover { color: var(--green); }
.header-contact { min-width: 124px; height: 46px; margin-left: 8px; border: 1px solid #90a9c4; border-radius: 4px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; color: var(--navy); font-size: 13px; font-weight: 700; }
.header-contact span { font-size: 16px; transform: rotate(-25deg); }
.mobile-menu { display: none; margin-left: auto; position: relative; }
.mobile-menu summary { list-style: none; width: 38px; height: 38px; padding: 8px; cursor: pointer; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu summary span { display: block; height: 2px; margin: 4px 0; background: var(--navy); }
.mobile-menu nav { position: absolute; z-index: 10; right: -18px; top: 48px; width: 220px; padding: 10px 18px; background: #fff; border: 1px solid var(--line); box-shadow: 0 12px 26px rgba(5, 37, 72, .14); }
.mobile-menu nav a { display: block; padding: 11px 0; border-bottom: 1px solid var(--line); color: var(--navy); font-size: 12px; font-weight: 700; }

.hero { height: 460px; background: #fff; }
.hero-inner { height: 100%; display: grid; grid-template-columns: 43% 57%; }
.hero-copy { padding: 62px 0 0 56px; position: relative; z-index: 2; }
.kicker { margin: 0 0 20px; color: var(--green); font-size: 14px; font-weight: 800; letter-spacing: .02em; text-transform: uppercase; }
.hero h1 { margin: 0; color: var(--navy); font-size: 66px; line-height: .9; letter-spacing: -3px; font-weight: 900; }
.hero h1 span { display: block; margin-top: 14px; font-size: 50px; line-height: 1; font-weight: 500; letter-spacing: -2px; white-space: nowrap; }
.hero-text { margin: 30px 0 28px; color: #263546; font-size: 17px; line-height: 1.65; }
.hero-actions { display: flex; gap: 16px; }
.button { min-height: 48px; padding: 0 22px; border-radius: 4px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; font-size: 14px; font-weight: 700; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.primary { color: #fff; background: var(--navy); box-shadow: 0 7px 15px rgba(4, 47, 95, .15); }
.primary:hover { background: #0b4a89; }
.secondary { color: var(--navy); background: #fff; border: 1px solid #90a9c4; }
.photo-crop { background-image: url("frontpage.png"); background-repeat: no-repeat; }
.hero-photo { height: 460px; background-size: 1120px 1883px; background-position: -470px -94px; }

.feature-band { min-height: 204px; padding: 47px 56px 40px; color: #fff; background: linear-gradient(110deg, #05386f, #05315f); }
.feature-grid { display: grid; grid-template-columns: repeat(5, 1fr); }
.feature-card { min-height: 116px; padding: 0 20px; display: flex; gap: 14px; border-right: 1px solid rgba(255,255,255,.15); }
.feature-card:first-child { padding-left: 0; }
.feature-card:last-child { padding-right: 0; border-right: 0; }
.feature-icon { flex: 0 0 36px; font-size: 36px; font-weight: 200; line-height: 1; }
.feature-card h2 { margin: 0 0 15px; font-size: 16px; line-height: 1.4; }
.feature-card p { margin: 0; color: #eef5fc; font-size: 13px; line-height: 1.65; }

.section { padding: 68px 56px; }
.section-grid { display: grid; align-items: center; }
.benefits { min-height: 440px; }
.benefits-grid { grid-template-columns: 50% 50%; }
.section-copy h2 { margin: 0; color: var(--navy); font-size: 34px; line-height: 1.18; letter-spacing: -.8px; }
.benefits .kicker { margin-bottom: 13px; }
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 24px; margin-top: 34px; }
.check-grid p { margin: 0; display: flex; gap: 11px; color: #2f4053; font-size: 14px; line-height: 1.6; }
.check-grid p span { flex: 0 0 20px; width: 20px; height: 20px; border: 1px solid #89cf54; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; color: #68b63b; font-size: 11px; }
.benefits-photo { height: 330px; margin: 0 -56px 0 0; background-size: 1120px 1883px; background-position: -531px -761px; }

.how { min-height: 360px; padding-top: 62px; padding-bottom: 56px; border-top: 1px solid #edf0f3; }
.how-grid { grid-template-columns: 40% 60%; gap: 42px; }
.how .kicker { margin-bottom: 16px; }
.how h2 { font-size: 31px; line-height: 1.24; }
.body-copy { margin: 28px 0 0; max-width: 430px; color: #344558; font-size: 15px; line-height: 1.75; }
.how-photo { height: 250px; border: 1px solid #e3e8ed; border-radius: 5px; background-size: 1120px 1883px; background-position: -450px -1148px; }

.technical-install { min-height: 280px; display: grid; grid-template-columns: 42% 58%; }
.technical { padding: 45px 38px 36px 56px; color: #fff; background: linear-gradient(115deg, #073d78, #04315f); }
.technical .kicker { margin-bottom: 18px; }
.kicker.light { color: #9dd92f; }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 23px 30px; }
.spec { display: flex; gap: 10px; align-items: flex-start; }
.spec > span { flex: 0 0 21px; font-size: 22px; line-height: 1; }
.spec p { margin: 0; color: #e6f0fa; font-size: 13px; line-height: 1.4; }
.spec strong { display: block; margin-top: 4px; color: #fff; font-size: 15px; }
.installation { display: grid; grid-template-columns: 54% 46%; background: #fff; }
.installation-copy { padding: 45px 20px 30px 42px; }
.installation-copy .kicker { margin-bottom: 17px; }
.installation-copy > p:not(.kicker) { margin: 0 0 26px; max-width: 300px; color: #344558; font-size: 15px; line-height: 1.7; }
.instruction { min-height: 46px; padding: 0 16px; font-size: 13px; }
.install-photo { min-height: 280px; background-size: 1120px 1883px; background-position: -821px -1409px; }

.contact-strip { min-height: 172px; padding: 38px 56px; color: #fff; background: linear-gradient(110deg, #2867ca, #0c58a2); }
.contact-inner { display: grid; grid-template-columns: 42% 58%; align-items: center; gap: 20px; }
.contact-intro { display: flex; align-items: center; gap: 16px; }
.round-phone { flex: 0 0 72px; width: 72px; height: 72px; border: 1px solid rgba(255,255,255,.75); border-radius: 50%; display: grid; place-items: center; color: #fff; font-size: 34px; }
.contact-intro h2 { margin: 0; font-size: 23px; line-height: 1.25; }
.contact-intro p { margin: 10px 0 0; max-width: 330px; color: #edf6ff; font-size: 13px; line-height: 1.6; }
.contact-items { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.contact-items > a, .contact-items > div { display: flex; align-items: flex-start; gap: 10px; }
.contact-items > * > span { flex: 0 0 24px; font-size: 24px; line-height: 1; }
.contact-items strong, .contact-items small { display: block; }
.contact-items strong { margin-bottom: 7px; font-size: 14px; white-space: nowrap; }
.contact-items small { color: #edf6ff; font-size: 12px; line-height: 1.5; }

.site-footer { min-height: 96px; padding: 24px 56px 18px; color: #fff; background: #03233f; }
.footer-inner { display: grid; grid-template-columns: 20% 61% 19%; align-items: end; }
.footer-logo strong { display: block; font-size: 32px; letter-spacing: -1px; line-height: .8; }
.footer-logo small { display: block; margin-top: 6px; font-size: 8px; }
.footer-logo p, .footer-inner > p { margin: 10px 0 0; color: #d7e2ec; font-size: 11px; }
.site-footer nav { display: flex; justify-content: center; gap: 25px; padding-bottom: 15px; }
.site-footer nav a { font-size: 12px; }
.footer-inner > p { margin: 0; text-align: right; white-space: nowrap; }
.footer-inner > p span { color: #e64c5b; }

@media (max-width: 1040px) {
  .header-inner { padding: 0 32px; }
  .desktop-nav { display: none; }
  .header-contact { margin-left: auto; }
  .mobile-menu { display: block; }
  .hero { height: 430px; }
  .hero-copy { padding: 54px 0 0 36px; }
  .hero h1 { font-size: 59px; }
  .hero h1 span { font-size: 44px; }
  .hero-photo { height: 430px; }
  .feature-band { padding-left: 36px; padding-right: 36px; }
  .feature-grid { grid-template-columns: repeat(3, 1fr); row-gap: 30px; }
  .feature-card { padding: 0 18px; }
  .feature-card:nth-child(3) { border-right: 0; }
  .feature-card:nth-child(4) { padding-left: 0; }
  .feature-card:nth-child(5) { grid-column: span 2; border-right: 0; }
  .section { padding-left: 36px; padding-right: 36px; }
  .benefits-photo { margin-right: -36px; }
  .how-grid { gap: 28px; }
  .how h2 { font-size: 28px; }
  .technical { padding-left: 36px; }
  .contact-strip { padding-left: 36px; padding-right: 36px; }
  .site-footer { padding-left: 36px; padding-right: 36px; }
}

@media (max-width: 680px) {
  .site { box-shadow: none; }
  .site-header { height: 70px; }
  .header-inner { padding: 0 18px; gap: 10px; }
  .logo { flex-basis: 110px; width: 110px; height: 48px; }
  .logo img { width: 110px; }
  .header-contact { min-width: 110px; height: 44px; font-size: 12px; }
  .header-contact { margin-left: auto; }
  .hero { height: auto; }
  .hero-inner { display: block; }
  .hero-copy { padding: 48px 24px 38px; }
  .hero h1 { font-size: clamp(43px, 12vw, 50px); }
  .hero h1 span { font-size: clamp(34px, 10vw, 42px); white-space: normal; }
  .hero-text { margin: 28px 0; font-size: 15px; }
  .hero-actions { gap: 12px; }
  .hero-actions .button { padding: 0 16px; }
  .hero-photo { height: 315px; background-size: 790px 1328px; background-position: -315px -66px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-band { padding: 28px 20px; }
  .feature-card { min-height: 132px; padding: 20px 12px; border-bottom: 1px solid rgba(255,255,255,.15); }
  .feature-card:nth-child(2n) { border-right: 0; }
  .feature-card:last-child { grid-column: 1 / -1; border-bottom: 0; }
  .benefits-grid, .how-grid { display: block; }
  .section { padding: 58px 24px; }
  .section-copy h2 { font-size: 30px; }
  .check-grid { grid-template-columns: 1fr; }
  .check-grid p { font-size: 14px; }
  .benefits-photo { height: 270px; margin: 28px -24px -20px; background-size: 900px 1513px; background-position: -425px -591px; }
  .body-copy { font-size: 15px; }
  .how-photo { height: 205px; margin-top: 28px; background-size: 900px 1513px; background-position: -363px -920px; }
  .technical-install { display: block; }
  .technical { padding: 48px 24px; }
  .spec p { font-size: 13px; }
  .spec strong { font-size: 15px; }
  .installation { display: block; }
  .installation-copy { padding: 48px 24px 40px; }
  .installation-copy > p:not(.kicker) { max-width: 100%; font-size: 15px; }
  .install-photo { min-height: 250px; background-size: 1120px 1883px; background-position: -745px -1409px; }
  .contact-strip { padding: 42px 24px; }
  .contact-inner { display: block; }
  .contact-items { margin-top: 28px; grid-template-columns: 1fr; }
  .contact-items > * { min-height: 42px; }
  .site-footer { padding: 34px 24px; }
  .footer-inner { display: block; }
  .site-footer nav { margin: 25px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 0; }
  .footer-inner > p { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}