:root {
  --ink: #0b1f3a;
  --blue: #0a3f91;
  --blue-2: #1766c2;
  --red: #d52b2f;
  --paper: #f5f7fa;
  --white: #ffffff;
  --line: #dce3eb;
  --muted: #5d6c7e;
  --shadow: 0 24px 70px rgba(11, 31, 58, .13);
  --radius: 18px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 100; background: var(--ink); color: #fff; padding: 10px 14px; }
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .94);
  border-bottom: 1px solid rgba(220, 227, 235, .85);
  backdrop-filter: blur(14px);
}
.reference-strip {
  background: #fff;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.reference-shell {
  min-height: 76px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 20px;
}
.reference-title {
  position: relative;
  z-index: 2;
  color: var(--ink);
  font-size: .72rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: .13em;
  white-space: nowrap;
}
.reference-title::after {
  content: "";
  position: absolute;
  top: -9px;
  right: -11px;
  width: 1px;
  height: 30px;
  background: var(--line);
}
.reference-marquee {
  min-width: 0;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
}
.reference-track {
  width: max-content;
  display: flex;
  will-change: transform;
  animation: reference-scroll 48s linear infinite;
}
.reference-marquee:hover .reference-track { animation-play-state: paused; }
.reference-set {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-right: 28px;
}
.reference-logo,
.reference-logo.logo-wide,
.reference-logo.logo-xl,
.reference-logo.logo-round,
.reference-logo.logo-chemson,
.reference-logo.logo-kansai,
.reference-logo.logo-kanat,
.reference-logo.logo-altinyunus {
  width: 225px;
  height: 54px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
}
.reference-logo img,
.reference-logo.logo-chemson img,
.reference-logo.logo-kansai img,
.reference-logo.logo-kanat img,
.reference-logo.logo-altinyunus img {
  max-width: 100%;
  max-height: 52px;
  object-fit: contain;
}
.reference-name {
  flex: 0 0 auto;
  color: #26384e;
  font-size: .89rem;
  font-weight: 900;
  letter-spacing: .055em;
  white-space: nowrap;
}
@keyframes reference-scroll {
  to { transform: translateX(-50%); }
}
.nav { height: 96px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; text-decoration: none; flex: 0 0 auto; }
.brand img { width: 205px; height: 76px; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a { text-decoration: none; font-weight: 700; font-size: .9rem; padding: 10px 13px; border-radius: 10px; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--blue); background: #edf4ff; }
.nav-cta { color: #fff !important; background: var(--blue) !important; margin-left: 8px; }
.nav-cta:hover { background: #073579 !important; }
.menu-btn { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.menu-btn span { display: block; width: 21px; height: 2px; margin: 5px auto; background: var(--ink); }

.eyebrow { color: var(--red); font-weight: 800; letter-spacing: .13em; text-transform: uppercase; font-size: .78rem; }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -.025em; }
h1 { font-size: clamp(2.7rem, 6vw, 5.3rem); }
h2 { font-size: clamp(2rem, 4vw, 3.35rem); }
h3 { font-size: 1.25rem; }
p { margin: 0; }
.lead { color: #d9e3ef; font-size: clamp(1.05rem, 2vw, 1.25rem); max-width: 670px; }
.section-intro { color: var(--muted); font-size: 1.08rem; max-width: 670px; margin-top: 18px; }
.section { padding: 96px 0; }
.section-soft { background: var(--paper); }
.section-dark { color: #fff; background: var(--ink); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 42px; }
.section-head a { font-weight: 800; color: var(--blue); }
.local-seo-section { border-top: 1px solid var(--line); }
.local-seo-cta { margin-top: 28px; }
.content-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: start; }
.seo-copy { color: var(--muted); }
.seo-copy p + p { margin-top: 18px; }
.seo-copy h2 { color: var(--ink); margin-bottom: 20px; }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.info-card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.info-card h3 { margin-bottom: 10px; }
.info-card p { color: var(--muted); }
.area-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.area-list span { padding: 9px 14px; border-radius: 99px; background: #e8f1ff; color: var(--blue); font-weight: 800; }
.faq-list { display: grid; gap: 12px; margin-top: 34px; }
.faq-list details { padding: 20px 22px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.faq-list summary { cursor: pointer; font-weight: 800; }
.faq-list details p { color: var(--muted); margin-top: 12px; }

.hero { min-height: 680px; color: #fff; background: var(--ink); position: relative; overflow: hidden; display: grid; align-items: center; }
.hero-media { position: absolute; inset: 0 0 0 50%; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--ink) 0, rgba(11,31,58,.65) 25%, rgba(11,31,58,.12) 70%); }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-content { position: relative; z-index: 2; width: 61%; padding: 95px 0 86px; }
.hero h1 span { color: #61a6ff; }
.hero .lead { margin-top: 24px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 12px 19px; border-radius: 11px; text-decoration: none; font-weight: 800; border: 1px solid transparent; }
.btn-primary { color: #fff; background: var(--red); }
.btn-primary:hover { background: #b91f23; }
.btn-secondary { color: #fff; border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.08); }
.btn-blue { color: #fff; background: var(--blue); }
.hero-proof { display: flex; gap: 28px; flex-wrap: wrap; margin-top: 60px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.17); }
.hero-proof strong { display: block; font-size: 1.05rem; }
.hero-proof span { display: block; color: #aebdd0; font-size: .86rem; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: .25s ease; }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.service-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 12px; background: #e8f1ff; color: var(--blue); font-weight: 900; margin-bottom: 25px; }
.service-card p { color: var(--muted); margin-top: 12px; }
.service-card a { display: inline-block; color: var(--blue); font-weight: 800; margin-top: 20px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.image-frame { position: relative; border-radius: 22px; overflow: hidden; box-shadow: var(--shadow); background: #d8e0ea; }
.image-frame img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.comparison-frame { background: #fff; }
.comparison-frame img { aspect-ratio: 1/1; object-fit: contain; }
.image-frame::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px rgba(255,255,255,.25); border-radius: inherit; pointer-events: none; }
.check-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 15px; }
.check-list li { display: grid; grid-template-columns: 24px 1fr; gap: 10px; align-items: start; }
.check-list li::before { content: "✓"; color: var(--blue); font-weight: 900; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 45px; counter-reset: step; }
.step { position: relative; padding: 26px 25px 0 0; border-top: 2px solid rgba(255,255,255,.19); counter-increment: step; }
.step::before { content: "0" counter(step); position: absolute; top: -19px; left: 0; width: 42px; height: 36px; display: grid; place-items: center; background: var(--ink); color: #61a6ff; font-weight: 900; }
.step p { color: #aebdd0; margin-top: 9px; font-size: .94rem; }

.cta-band { margin-top: 70px; padding: 42px; border-radius: 24px; background: linear-gradient(125deg, #0a3f91, #1163bc); color: #fff; display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.cta-band p { color: #d6e8ff; margin-top: 10px; }

.page-hero { padding: 96px 0 74px; color: #fff; background: linear-gradient(125deg, #081a31, #0c3263); }
.page-hero h1 { font-size: clamp(2.6rem, 5vw, 4.5rem); max-width: 850px; }
.page-hero .lead { margin-top: 20px; }
.page-hero .eyebrow { margin-bottom: 14px; }

.product-row { display: grid; grid-template-columns: 1.1fr .9fr; gap: 55px; padding: 48px 0; border-bottom: 1px solid var(--line); align-items: center; }
.product-row:last-child { border-bottom: 0; }
.product-row:nth-child(even) .product-copy { order: 2; }
.product-copy h2 { font-size: clamp(1.75rem, 3.2vw, 2.75rem); }
.product-row img { width: 100%; height: 330px; object-fit: cover; border-radius: var(--radius); }
.product-row img.product-image-full { height: auto; aspect-ratio: 1/1; object-fit: contain; background: #f2f5f8; }
.product-row-gallery { grid-template-columns: .78fr 1.22fr; align-items: start; }
.product-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.product-gallery img { width: 100%; height: auto; aspect-ratio: auto; object-fit: contain; background: #f2f5f8; }
.product-visual-noimage {
  min-height: 330px;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
  color: #fff;
  background: radial-gradient(circle at 72% 22%, rgba(97,166,255,.55), transparent 29%), linear-gradient(135deg, #071a32, #0a4f9d);
}
.product-visual-noimage::before,
.product-visual-noimage::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
}
.product-visual-noimage::before { transform: translate(-92px, 68px); }
.product-visual-noimage::after { transform: translate(112px, -74px); }
.product-visual-noimage strong { font-size: 5rem; line-height: 1; letter-spacing: -.05em; }
.product-visual-noimage span { display: block; margin-top: 9px; text-align: center; color: #cfe3fb; font-weight: 800; letter-spacing: .12em; font-size: .72rem; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.tag { padding: 7px 11px; border-radius: 99px; background: #edf4ff; color: var(--blue); font-size: .82rem; font-weight: 800; }
.product-copy p { color: var(--muted); margin-top: 16px; }

.gallery { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.project { grid-column: span 4; min-height: 370px; position: relative; border-radius: var(--radius); overflow: hidden; background: #dce3eb; }
.project.wide { grid-column: span 8; }
.project img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.project.full-image { min-height: 520px; background: #eef2f6; }
.project.full-image img { object-fit: contain; }
.project.sport-full { grid-column: span 12; min-height: 0; aspect-ratio: 16 / 9; background: #eef2f6; }
.project.sport-full img { object-fit: contain; }
.project:hover img { transform: scale(1.035); }
.project figcaption { position: absolute; inset: auto 0 0; padding: 54px 22px 20px; color: #fff; background: linear-gradient(transparent, rgba(5,16,31,.9)); font-weight: 800; }
.project figcaption span { display: block; color: #cbd8e7; font-size: .82rem; font-weight: 600; }

.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 40px; }
.contact-panel { padding: 34px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.contact-links { display: grid; gap: 12px; margin-top: 26px; }
.contact-link { padding: 17px 18px; background: #fff; border: 1px solid var(--line); border-radius: 12px; text-decoration: none; }
.contact-link small { color: var(--muted); display: block; }
.contact-link strong { color: var(--blue); }
.quote-box { padding: 40px; border-radius: var(--radius); color: #fff; background: var(--ink); }
.quote-box ul { margin: 24px 0 30px; padding-left: 19px; color: #c4d0df; }

.site-footer { padding: 58px 0 24px; color: #c3cedb; background: #071426; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 45px; padding-bottom: 42px; }
.footer-logo { width: 145px; background: #fff; padding: 8px; border-radius: 8px; }
.footer-address { display: block; max-width: 310px; margin-top: 10px; font-style: normal; line-height: 1.5; }
.site-footer h3 { color: #fff; font-size: 1rem; margin-bottom: 14px; }
.site-footer a { color: #c3cedb; text-decoration: none; display: block; margin: 7px 0; }
.site-footer a:hover { color: #fff; }
.footer-bottom { padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: .85rem; display: flex; justify-content: space-between; gap: 20px; }

@media (max-width: 900px) {
  .menu-btn { display: block; }
  .nav-links { display: none; position: absolute; left: 20px; right: 20px; top: 72px; padding: 12px; background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); flex-direction: column; align-items: stretch; }
  .nav-links.open { display: flex; }
  .nav-cta { margin: 5px 0 0; text-align: center; }
  .hero { min-height: auto; }
  .hero-media { inset: 0; opacity: .34; }
  .hero-media::after { background: rgba(7,20,38,.65); }
  .hero-content { width: 100%; padding: 92px 0 74px; }
  .grid-3, .steps { grid-template-columns: repeat(2, 1fr); }
  .split, .product-row, .product-row-gallery, .contact-grid, .content-grid { grid-template-columns: 1fr; gap: 34px; }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
  .product-row:nth-child(even) .product-copy { order: initial; }
  .project, .project.wide { grid-column: span 6; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .nav { height: 82px; }
  .reference-shell { min-height: 78px; display: block; padding-top: 9px; }
  .reference-title { display: block; margin-bottom: 10px; text-align: center; font-size: .68rem; }
  .reference-title::after { display: none; }
  .reference-set { gap: 28px; padding-right: 28px; }
  .reference-logo,
  .reference-logo.logo-wide,
  .reference-logo.logo-xl,
  .reference-logo.logo-round,
  .reference-logo.logo-chemson,
  .reference-logo.logo-kansai,
  .reference-logo.logo-kanat,
  .reference-logo.logo-altinyunus { width: 175px; height: 46px; }
  .reference-logo img,
  .reference-logo.logo-chemson img,
  .reference-logo.logo-kansai img,
  .reference-logo.logo-kanat img,
  .reference-logo.logo-altinyunus img { max-height: 44px; }
  .reference-name { font-size: .8rem; }
  .brand img { width: 158px; height: 61px; }
  .section { padding: 68px 0; }
  .section-head { display: block; }
  .section-head a { display: inline-block; margin-top: 18px; }
  h1 { font-size: 2.7rem; }
  .grid-3, .steps { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .step { margin-bottom: 16px; }
  .hero-proof { gap: 18px; }
  .cta-band { padding: 30px 24px; align-items: flex-start; flex-direction: column; }
  .project, .project.wide { grid-column: span 12; min-height: 330px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; }
  .product-row img { height: 270px; }
  .product-gallery { grid-template-columns: 1fr; }
  .product-gallery img { height: auto; }
  .project.full-image { min-height: 420px; }
}

@media (prefers-reduced-motion: reduce) {
  .reference-track { animation-play-state: paused; }
}