/* IWA BETON — static site. Concrete greys + the logo's green. */
:root {
  --ink: #1d2326;
  --ink-soft: #4a5459;
  --concrete: #eceeed;
  --concrete-2: #dfe3e1;
  --paper: #ffffff;
  --green: #06af6e;
  --green-dark: #04804f;
  --line: #d3d8d6;
  --f-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --f-body: "Source Sans 3", -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 6px;
  --wrap: 1180px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 18px/1.6 var(--f-body); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green-dark); }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--green); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 700; line-height: 1.05; text-wrap: balance; margin: 0 0 .5em; letter-spacing: .01em; }
h1 { font-size: clamp(2.2rem, 6vw, 4.6rem); text-transform: uppercase; hyphens: auto; -webkit-hyphens: auto; overflow-wrap: break-word; }
h2, h3 { hyphens: auto; -webkit-hyphens: auto; }
h2 { font-size: clamp(2rem, 3.6vw, 2.9rem); }
h3 { font-size: 1.45rem; font-weight: 600; }
p { margin: 0 0 1em; max-width: 65ch; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: 20px; }
.narrow { max-width: 760px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; z-index: 10; background: var(--paper); padding: 8px 12px; }

.eyebrow { font: 600 .82rem/1 var(--f-body); letter-spacing: .14em; text-transform: uppercase; color: var(--green-dark); margin-bottom: 14px; }
.eyebrow-light, .eyebrow-light a { color: #9fe8c8; text-decoration: none; }
.muted { color: var(--ink-soft); font-size: .9rem; }

.btn { display: inline-block; background: var(--green); color: #fff; text-decoration: none; font: 600 1.05rem/1 var(--f-body); padding: 15px 26px; border-radius: var(--radius); border: 2px solid var(--green); transition: background .15s; }
.btn:hover { background: var(--green-dark); border-color: var(--green-dark); }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,.7); }
.btn-ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-small { padding: 10px 16px; font-size: .95rem; }

/* header */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(6px); }
.header-row { display: flex; align-items: center; gap: 28px; min-height: 72px; }
.logo img { width: 160px; }
.main-nav { display: flex; gap: 24px; margin-left: auto; }
.main-nav a { color: var(--ink); text-decoration: none; font-weight: 600; }
.main-nav a:hover { color: var(--green-dark); }
@media (max-width: 860px) { .main-nav { display: none; } .header-call { margin-left: auto; } }
@media (max-width: 420px) { .logo img { width: 120px; } .header-call { padding: 9px 12px; font-size: .85rem; } }

/* hero */
.hero { position: relative; color: #fff; background: #2b3134 var(--hero) center / cover no-repeat; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20,26,28,.86) 0%, rgba(20,26,28,.55) 55%, rgba(20,26,28,.25) 100%); }
.hero-inner { position: relative; padding-block: clamp(80px, 13vw, 170px); }
.hero .lead { font-size: 1.25rem; max-width: 48ch; color: #e7ecea; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero-service .hero-inner { padding-block: clamp(70px, 10vw, 130px); }

/* split sections */
.about, .tech { padding-block: clamp(56px, 8vw, 100px); }
.tech { background: var(--concrete); }
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.split-reverse { grid-template-columns: .9fr 1.1fr; }
.split > * { min-width: 0; }
.split-img { border-radius: var(--radius); aspect-ratio: 1; object-fit: cover; width: 100%; }
@media (max-width: 820px) { .split, .split-reverse { grid-template-columns: 1fr; } .split-reverse .split-img { order: 2; } }

.values { list-style: none; padding: 0; margin: clamp(40px, 6vw, 70px) 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value { border-top: 3px solid var(--green); background: var(--concrete); padding: 26px 24px 22px; border-radius: 0 0 var(--radius) var(--radius); }
.value img { margin-bottom: 14px; width: 60px; height: 60px; padding: 10px; border-radius: 50%; background: var(--green); }
.value p { margin: 0; color: var(--ink-soft); }
@media (max-width: 820px) { .values { grid-template-columns: 1fr; } }

.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.checks li { padding-left: 32px; position: relative; font-weight: 600; }
.checks li::before { content: ""; position: absolute; left: 0; top: .35em; width: 18px; height: 10px; border-left: 3px solid var(--green); border-bottom: 3px solid var(--green); transform: rotate(-45deg); }

/* services */
.services { padding-block: clamp(56px, 8vw, 100px); background: var(--concrete); }
.section-head { margin-bottom: 36px; }
.svc-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.svc { display: flex; flex-direction: column; height: 100%; background: var(--paper); border-radius: var(--radius); overflow: hidden; color: var(--ink); text-decoration: none; border: 1px solid var(--line); transition: transform .15s, box-shadow .15s; }
.svc:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(29,35,38,.12); }
.svc img { aspect-ratio: 900 / 644; object-fit: cover; width: 100%; }
.svc-body { display: flex; flex-direction: column; padding: 20px 22px 22px; flex: 1; }
.svc-body p { color: var(--ink-soft); font-size: 1rem; }
.svc-more { margin-top: auto; color: var(--green-dark); font-weight: 600; }
@media (max-width: 960px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .svc-grid { grid-template-columns: 1fr; } }

/* projects */
.projects { padding-block: clamp(56px, 8vw, 100px); }
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.g-item { display: block; border-radius: var(--radius); overflow: hidden; background: var(--concrete-2); }
.g-item img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; transition: transform .25s; }
.g-item:hover img { transform: scale(1.04); }
@media (max-width: 900px) { .gallery { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .gallery { grid-template-columns: repeat(2, 1fr); } }

.lightbox { border: 0; padding: 0; background: transparent; max-width: 94vw; max-height: 92vh; }
.lightbox::backdrop { background: rgba(10,14,15,.88); }
.lightbox img { max-width: 94vw; max-height: 86vh; border-radius: var(--radius); }
.lightbox button { position: fixed; top: 16px; right: 16px; font: 600 1rem var(--f-body); background: #fff; border: 0; border-radius: var(--radius); padding: 10px 14px; cursor: pointer; }

.more-services { padding-block: 10px 60px; }
.more-services h2 { font-size: 1.8rem; }
.pill-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.pill-list a { display: inline-block; padding: 10px 16px; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; color: var(--ink); font-weight: 600; }
.pill-list a:hover { border-color: var(--green); color: var(--green-dark); }

/* contact */
.contact { background: var(--ink); color: #fff; padding-block: clamp(56px, 8vw, 96px); }
.contact .eyebrow { color: #9fe8c8; }
.contact p { color: #cfd6d3; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.contact-actions { display: grid; gap: 12px; }
.contact-card { display: flex; flex-direction: column; gap: 2px; padding: 18px 22px; border-radius: var(--radius); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); color: #fff; text-decoration: none; transition: border-color .15s, background .15s; }
.contact-card:hover { border-color: var(--green); background: rgba(6,175,110,.12); }
.contact-label { font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; color: #9fe8c8; font-weight: 600; }
.contact-value { font: 700 1.5rem/1.2 var(--f-display); overflow-wrap: anywhere; }
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }

/* legal */
.legal { padding-block: clamp(48px, 7vw, 90px); }
.legal h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); }
.legal h2 { font-size: 1.5rem; margin-top: 1.6em; }

/* footer */
.site-footer { background: #151a1c; color: #b9c2bf; padding-top: 56px; font-size: 1rem; }
.site-footer a { color: #e3e9e6; text-decoration: none; }
.site-footer a:hover { color: #9fe8c8; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
.footer-logo { width: 150px; margin-bottom: 14px; }
.footer-h { font-size: 1.25rem; color: #fff; }
.footer-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; border-top: 1px solid rgba(255,255,255,.1); padding-block: 18px; font-size: .9rem; }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr; } }