:root {
  --navy: #16307e;
  --blue: #1f4fa8;
  --cyan: #1aa0e0;
  --ink: #15192a;
  --muted: #5a6275;
  --line: #dfe5ef;
  --soft: #f3f6fb;
  --white: #ffffff;
  --grad: linear-gradient(120deg, #16307e 0%, #1f4fa8 45%, #1aa0e0 100%);
  --radius: 14px;
  --head: "Barlow Condensed", "Arial Narrow", Arial, sans-serif;
  --body: "Source Sans 3", Arial, Helvetica, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--body); font-size: 17px; line-height: 1.6; color: var(--ink); background: var(--white); }
img { display: block; max-width: 100%; }
a { color: var(--blue); }
.wrap { width: min(1180px, 100% - 32px); margin: 0 auto; }
h1, h2, h3 { font-family: var(--head); line-height: 1.05; margin: 0 0 .4em; letter-spacing: .3px; }
h2 { font-size: clamp(32px, 4.2vw, 46px); color: var(--navy); }
h3 { font-size: 24px; color: var(--navy); }
.eyebrow { font-family: var(--head); font-weight: 700; text-transform: uppercase; letter-spacing: 3px; font-size: 15px; color: var(--cyan); margin: 0 0 8px; }
.eyebrow.light { color: #9fdcff; }
.sub { color: var(--muted); margin-top: -6px; }

/* buttons */
.btn { display: inline-block; background: var(--cyan); color: #fff; text-decoration: none; font-weight: 700; padding: 14px 24px; border-radius: 999px; box-shadow: 0 6px 18px rgba(26,160,224,.35); transition: transform .15s, box-shadow .15s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(26,160,224,.45); }
.btn-sm { padding: 9px 18px; font-size: 15px; box-shadow: none; }
.btn-ghost { background: transparent; color: var(--navy); border: 2px solid var(--navy); box-shadow: none; }
.btn-light { background: #fff; color: var(--navy); box-shadow: none; }

/* top bar + header */
.topbar { background: var(--navy); color: #cfe2ff; font-size: 14px; }
.topbar .wrap { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; flex-wrap: wrap; }
.topbar a { color: #fff; font-weight: 600; text-decoration: none; margin-left: 18px; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 0; }
.brand img { height: 58px; width: auto; }
nav { display: flex; align-items: center; gap: 26px; }
nav a { text-decoration: none; color: var(--ink); font-weight: 600; font-size: 16px; }
nav a:not(.btn):hover { color: var(--cyan); }

/* hero */
.hero { background: radial-gradient(1200px 500px at 85% -10%, #e3f4ff 0%, transparent 60%), var(--white); padding: 56px 0 64px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(46px, 6.4vw, 80px); color: var(--navy); }
.hero h1 span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 20px; color: #333a4d; max-width: 34em; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 22px 0 30px; }
.trust { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.trust li { border-top: 3px solid var(--cyan); padding-top: 8px; font-size: 14px; color: var(--muted); line-height: 1.3; }
.trust b { display: block; font-family: var(--head); font-size: 21px; color: var(--navy); }
.hero-photos { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1.25fr 1fr; gap: 14px; height: 560px; }
.hero-photos figure { margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: 0 18px 40px rgba(22,48,126,.18); }
.hero-photos img { width: 100%; height: 100%; object-fit: cover; }
.hp-main { grid-column: 1 / 3; }

/* sections */
.section { padding: 80px 0; }
.section.alt { background: var(--soft); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 28px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: 0 8px 24px rgba(21,25,42,.06); display: flex; flex-direction: column; }
.card > img { height: 240px; width: 100%; object-fit: cover; }
.card-body { padding: 22px 24px 26px; }
.card-body p { color: var(--muted); margin-top: 0; }
.card ul { list-style: none; padding: 0; margin: 0; }
.card li { padding: 7px 0 7px 26px; border-top: 1px solid var(--line); position: relative; }
.card li::before { content: ""; position: absolute; left: 4px; top: 15px; width: 10px; height: 10px; border-radius: 50%; background: var(--grad); }

/* trenchless band */
.band { background: var(--grad); color: #eaf5ff; padding: 84px 0; }
.band h2 { color: #fff; }
.band-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; align-items: center; }
.callout { font-family: var(--head); font-size: 24px; color: #fff; border-left: 4px solid #9fdcff; padding-left: 14px; margin: 20px 0 24px; }
.band-photos { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.band-photos img { border-radius: var(--radius); height: 420px; width: 100%; object-fit: cover; box-shadow: 0 18px 40px rgba(0,0,0,.25); }
.band-photos img:nth-child(2) { margin-top: 48px; }

/* gallery */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 230px; grid-auto-flow: dense; gap: 14px; margin-top: 26px; }
.gallery figure { margin: 0; position: relative; border-radius: var(--radius); overflow: hidden; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.gallery figure:hover img { transform: scale(1.04); }
.gallery .tall { grid-row: span 2; }
.gallery .wide { grid-column: span 2; }
.gallery figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 14px 10px; color: #fff; font-weight: 600; font-size: 15px; background: linear-gradient(transparent, rgba(10,20,50,.8)); }

/* why */
.why { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px 32px; }
.why-grid h3 { font-size: 22px; }
.why-grid p { margin: 0; color: var(--muted); }

/* area */
.area { list-style: none; padding: 0; margin: 22px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.area li { background: var(--soft); border: 1px solid var(--line); border-radius: 999px; padding: 6px 15px; font-weight: 600; color: var(--navy); font-size: 15px; }

/* contact */
.contact { background: var(--navy); color: #d6e4ff; padding: 84px 0; }
.contact h2 { color: #fff; }
.contact-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; }
.contact-actions { display: grid; gap: 12px; margin-top: 24px; max-width: 460px; }
.big-link { display: block; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius); padding: 14px 20px; color: #fff; text-decoration: none; font-family: var(--head); font-size: 30px; transition: background .15s; }
.big-link:hover { background: rgba(26,160,224,.3); }
.big-link small { display: block; font-family: var(--body); font-size: 13px; text-transform: uppercase; letter-spacing: 2px; color: #9fdcff; }
.hours { background: rgba(255,255,255,.06); border-radius: var(--radius); padding: 26px 28px; }
.hours h3 { color: #fff; }
.hours p { margin: 0 0 16px; }
.hours a { color: #9fdcff; }

/* footer */
.site-footer { background: #0d1a45; color: #8e9bbf; font-size: 14px; padding: 36px 0 90px; }
.foot-logo { height: 46px; width: auto; background: #fff; border-radius: 8px; padding: 6px 10px; margin-bottom: 14px; }
.sms { max-width: 60em; }

.mobile-call { display: none; }

/* responsive */
@media (max-width: 960px) {
  nav a:not(.btn) { display: none; }
  .hero-grid, .band-grid, .contact-grid, .why { grid-template-columns: 1fr; }
  .hero-photos { height: 420px; }
  .cards { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 200px; }
  .trust { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .topbar span:first-child { display: none; }
  .topbar .wrap { justify-content: center; }
  .brand img { height: 44px; }
  .hero { padding: 34px 0 44px; }
  .hero-photos { height: 340px; gap: 10px; }
  .section, .band, .contact { padding: 56px 0; }
  .why-grid { grid-template-columns: 1fr; }
  .band-photos img { height: 280px; }
  .gallery .wide { grid-column: span 2; }
  .big-link { font-size: 25px; }
  .mobile-call { display: block; position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 30; text-align: center; background: var(--cyan); color: #fff; font-weight: 700; text-decoration: none; padding: 15px; border-radius: 999px; box-shadow: 0 10px 26px rgba(0,0,0,.3); }
}