:root {
  --bg: #f7fbff;
  --surface: #ffffff;
  --surface-soft: #f1f7fb;
  --border: #d7e5ef;
  --text: #1f2f3d;
  --muted: #607285;
  --primary: #1f6fb4;
  --primary-soft: #e9f4ff;
  --accent: #3da34a;
  --shadow: 0 18px 45px rgba(30, 71, 104, 0.09);
  --radius: 22px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #fbfdff 0%, #f5f9fc 100%);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; }
.container { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(248, 251, 255, 0.88);
  border-bottom: 1px solid rgba(215, 229, 239, 0.85);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 78px; }
.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.brand-logo { width: 52px; height: 52px; object-fit: contain; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.25; }
.brand-copy strong { font-size: 1rem; letter-spacing: 0.01em; }
.brand-copy span { font-size: 0.82rem; color: var(--muted); }
.main-nav { display: flex; align-items: center; gap: 24px; font-size: 0.95rem; }
.main-nav a { color: #476071; }
.main-nav a:hover { color: var(--primary); }
.nav-cta {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary) !important;
  font-weight: 600;
}
.nav-toggle {
  display: none; border: 1px solid var(--border); background: white; color: var(--text);
  border-radius: 999px; padding: 10px 14px;
}
.hero { padding: 54px 0 42px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 30px; align-items: start; }
.hero-copy, .hero-panel, .highlight-box, .service-card, .material-card, .price-card, .terms-box, .contact-box, .metric-card, .mini-grid article {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.hero-copy {
  padding: 38px;
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(250,253,255,0.96));
}
.kicker, .section-label {
  display: inline-block;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 700;
}
.hero h1 {
  margin: 18px 0 14px;
  font-size: clamp(1.95rem, 3.4vw, 3.2rem);
  line-height: 1.14;
  letter-spacing: -0.03em;
}
.hero-lead { color: var(--muted); max-width: 62ch; }
.hero-actions, .contact-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 20px; border-radius: 999px; font-weight: 700; font-size: 0.95rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--primary), #2c87d7); color: white; box-shadow: 0 10px 25px rgba(31, 111, 180, 0.22); }
.btn-secondary { background: white; color: var(--primary); border: 1px solid var(--border); }
.btn-block { width: 100%; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.hero-tags span {
  font-size: 0.88rem; color: #4d6576; background: #f6fafc; border: 1px solid var(--border);
  padding: 8px 12px; border-radius: 999px;
}
.hero-panel { padding: 24px; border-radius: 30px; }
.metric-card {
  padding: 24px; border-radius: 24px;
  background: linear-gradient(145deg, #ffffff 0%, #edf7ff 100%);
}
.metric-card small { display: block; color: var(--muted); margin-bottom: 8px; }
.metric-card strong { font-size: 1.55rem; line-height: 1.2; }
.metric-card p { margin-bottom: 0; color: var(--muted); }
.mini-grid { margin-top: 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mini-grid article { border-radius: 20px; padding: 18px; }
.mini-grid strong { display: block; margin-bottom: 8px; font-size: 1rem; }
.mini-grid p { margin: 0; color: var(--muted); font-size: 0.93rem; }
.section { padding: 42px 0; }
.section-soft { background: linear-gradient(180deg, rgba(236,245,251,0.66), rgba(247,251,255,0.76)); border-top: 1px solid rgba(215,229,239,0.8); border-bottom: 1px solid rgba(215,229,239,0.8); }
.section-head { max-width: 760px; margin-bottom: 24px; }
.section-head h2, .intro-grid h2, .contact-box h2 { margin: 14px 0 10px; font-size: clamp(1.55rem, 2.4vw, 2.25rem); line-height: 1.2; letter-spacing: -0.02em; }
.section-head p, .intro-grid p, .contact-box p { color: var(--muted); }
.intro-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 24px; align-items: start; }
.highlight-box, .contact-box { border-radius: var(--radius); padding: 28px; }
.highlight-box h3, .terms-box h3, .price-card h3, .service-card h3, .material-card h3 { margin-top: 0; }
.check-list, .terms-box ul, .material-card ul { margin: 0; padding-left: 18px; }
.service-grid, .material-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card, .material-card { padding: 24px; border-radius: 22px; }
.service-card p, .material-card li { color: var(--muted); }
.gallery-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.gallery-item {
  padding: 0; margin: 0; border: 1px solid var(--border); border-radius: 22px; overflow: hidden;
  background: white; cursor: pointer; box-shadow: var(--shadow);
}
.gallery-item img { width: 100%; aspect-ratio: 4 / 5.6; object-fit: cover; }
.gallery-item:hover { transform: translateY(-2px); }
.gallery-note { color: var(--muted); margin-top: 14px; }
.price-wrap { display: grid; gap: 18px; }
.price-card { border-radius: 24px; padding: 22px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; min-width: 720px; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }
.terms-box { margin-top: 18px; padding: 22px; border-radius: 24px; }
.timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.timeline article { background: white; border: 1px solid var(--border); border-radius: 22px; padding: 22px; box-shadow: var(--shadow); }
.timeline span {
  display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center;
  border-radius: 999px; background: var(--primary-soft); color: var(--primary); font-weight: 800; margin-bottom: 14px;
}
.timeline h3 { margin: 0 0 8px; }
.timeline p, .small-note, .footer-copy { color: var(--muted); }
.contact-box { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 24px; align-items: center; }
.site-footer { padding: 28px 0 42px; }
.footer-wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; border-top: 1px solid var(--border); padding-top: 22px; }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand img { width: 48px; height: 48px; object-fit: contain; }
.footer-brand p { margin: 4px 0 0; color: var(--muted); }
.floating-wa {
  position: fixed; right: 18px; bottom: 18px; width: 58px; height: 58px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; background: #22c55e; color: white;
  font-weight: 800; box-shadow: 0 14px 30px rgba(34, 197, 94, 0.3); z-index: 30;
}
.lightbox {
  position: fixed; inset: 0; background: rgba(18, 31, 43, 0.82); display: none;
  align-items: center; justify-content: center; padding: 24px; z-index: 60;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: min(92vw, 920px); max-height: 88vh; border-radius: 18px; box-shadow: 0 18px 40px rgba(0,0,0,0.3); }
.lightbox-close {
  position: absolute; top: 18px; right: 18px; width: 46px; height: 46px;
  border: none; border-radius: 50%; background: white; color: #203140; font-size: 1.7rem; cursor: pointer;
}
@media (max-width: 1080px) {
  .hero-grid, .intro-grid, .contact-box { grid-template-columns: 1fr; }
  .service-grid, .material-grid { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: absolute; top: 78px; left: 16px; right: 16px; display: none; flex-direction: column;
    align-items: stretch; gap: 6px; background: rgba(255,255,255,0.98); border: 1px solid var(--border);
    border-radius: 18px; padding: 14px; box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .mini-grid, .service-grid, .material-grid, .gallery-grid, .timeline { grid-template-columns: 1fr; }
  .hero-copy, .hero-panel, .highlight-box, .contact-box { padding: 22px; }
  table { min-width: 640px; }
  .footer-wrap { flex-direction: column; align-items: flex-start; }
}
.btn-instagram {
  background: #E1306C;
  color: white;
}