:root {
  --blue: #086c9e;
  --blue-dark: #084c70;
  --red: #df382f;
  --ink: #15232c;
  --muted: #5f6f78;
  --paper: #ffffff;
  --soft: #f2f6f8;
  --line: #dbe4e8;
  --green: #20885a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { width: 235px; height: 55px; object-fit: cover; object-position: left center; }
.mail-link { color: var(--blue-dark); text-decoration: none; font-weight: 700; }
.mail-link:hover { text-decoration: underline; }

.hero {
  padding: 96px 0 88px;
  background: linear-gradient(135deg, #f9fbfc 0%, #eef5f8 100%);
  border-bottom: 1px solid var(--line);
}
.hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 72px; align-items: center; }
.eyebrow { margin: 0 0 10px; color: var(--blue); font-size: .82rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.08; margin-top: 0; }
h1 { font-size: clamp(2.7rem, 6vw, 5.6rem); max-width: 860px; margin-bottom: 24px; letter-spacing: -.045em; }
h1::after { content: ""; display: block; width: 92px; height: 5px; background: var(--red); margin-top: 28px; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); margin-bottom: 28px; letter-spacing: -.03em; }
h3 { font-size: 1.18rem; margin-bottom: 8px; }
.lead { max-width: 700px; color: var(--muted); font-size: 1.22rem; margin: 0 0 34px; }
.button { display: inline-block; background: var(--blue); color: #fff; padding: 14px 20px; border-radius: 4px; text-decoration: none; font-weight: 700; }
.button:hover { background: var(--blue-dark); }

.shutter-art { display: grid; place-items: center; min-height: 360px; }
.shutter-frame { width: min(320px, 80vw); aspect-ratio: .78; border: 12px solid #d76232; background: #f5efe9; box-shadow: 0 28px 60px rgba(25,50,65,.14); padding: 12px; }
.shutter-door { width: 100%; height: 100%; background: var(--green); border: 4px solid #146b46; padding: 28px 18px; display: flex; flex-direction: column; gap: 15px; }
.shutter-door span { display: block; height: 15px; background: #135e42; border-top: 3px solid rgba(255,255,255,.16); }

.section { padding: 88px 0; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-grid article { border: 1px solid var(--line); padding: 28px; min-height: 170px; background: #fff; }
.feature-grid p { color: var(--muted); margin-bottom: 0; }
.feature-grid article::before { content: ""; display: block; width: 34px; height: 4px; background: var(--blue); margin-bottom: 22px; }

.band { background: var(--blue-dark); color: #fff; }
.band .eyebrow { color: #9ed8f3; }
.band h2 { margin-bottom: 0; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split > p { font-size: 1.08rem; color: #d7e5ec; margin: 0; }

.contact { background: var(--soft); }
.contact-box { display: flex; justify-content: space-between; align-items: center; gap: 48px; }
.contact-box p { color: var(--muted); max-width: 650px; }
.contact-details { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.contact-email, .contact-phone { color: var(--blue); text-decoration: none; font-size: clamp(1.3rem, 3vw, 2rem); font-weight: 800; white-space: nowrap; }
.contact-email:hover, .contact-phone:hover { text-decoration: underline; }

footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: .92rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; }

@media (max-width: 820px) {
  .hero { padding: 64px 0; }
  .hero-grid, .split { grid-template-columns: 1fr; gap: 42px; }
  .shutter-art { min-height: 280px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .contact-box { align-items: flex-start; flex-direction: column; gap: 18px; }
  .contact-details { align-items: flex-start; }
}

@media (max-width: 560px) {
  .wrap { width: min(100% - 28px, 1120px); }
  .header-inner { min-height: 72px; }
  .brand img { width: 170px; height: 42px; }
  .mail-link { display: none; }
  .hero { padding: 52px 0; }
  h1 { font-size: 2.65rem; }
  .section { padding: 64px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 6px; }
}