/* Elev8 Concrete Constructions — one-page site.
   Brand: black, white and the logo's mid grey. No other colours. */

:root {
  --ink: #0b0b0c;
  --ink-soft: #1a1a1c;
  --line-dark: #2a2a2c;
  --paper: #f5f4f1;
  --white: #ffffff;
  --grey: #8c8c8c;
  --grey-light: #e3e1dc;
  --grey-text: #5c5c5c;
  --wrap: 1180px;
  --gutter: clamp(20px, 5vw, 48px);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
html.lightbox-open { overflow: hidden; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
}

img { display: block; max-width: 100%; height: auto; }

a { color: inherit; }
a[href^="tel:"] { white-space: nowrap; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--white); color: var(--ink); padding: 12px 16px; z-index: 100;
}
.skip:focus { left: 8px; top: 8px; }

:focus-visible { outline: 3px solid var(--grey); outline-offset: 3px; }

/* ---------- Type ---------- */

h1, h2, h3 { margin: 0; font-weight: 900; letter-spacing: -0.035em; line-height: 1.02; text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 6.2vw, 4.75rem); }
h2 { font-size: clamp(2rem, 4.6vw, 3.4rem); max-width: 16ch; }
h3 { font-size: 1.3rem; letter-spacing: -0.02em; line-height: 1.15; }
p { margin: 0; }

.eyebrow {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 22px;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--grey);
}
.eyebrow.dark { color: var(--grey-text); }
/* The grey bar comes from the logo. */
.bar { display: inline-block; width: 54px; height: 7px; background: var(--grey); flex: none; }

.lede { font-size: clamp(1.1rem, 1.7vw, 1.3rem); line-height: 1.45; color: #cfcfcf; max-width: 34ch; }
.lede.dark-text { color: var(--grey-text); max-width: 46ch; margin-top: 22px; }
.section.dark h2 + .lede { margin-top: 22px; max-width: 46ch; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 52px; padding: 0 26px;
  font-weight: 800; font-size: 1rem; letter-spacing: -0.01em; text-decoration: none;
  border: 2px solid transparent; border-radius: 0;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn-light { background: var(--white); color: var(--ink); }
.btn-light:hover { background: var(--grey-light); }
.btn-ghost { border-color: var(--white); color: var(--white); }
.btn-ghost:hover { background: var(--white); color: var(--ink); }

/* ---------- Header ---------- */

.site-header { position: sticky; top: 0; z-index: 50; background: var(--ink); color: var(--white); }
.header-row { display: flex; align-items: center; gap: 28px; min-height: 76px; }
.logo img { height: 46px; width: auto; }
.nav { display: flex; gap: 28px; margin-left: auto; }
.nav a { font-size: 0.95rem; font-weight: 700; text-decoration: none; color: #d6d6d6; }
.nav a:hover { color: var(--white); }
.header-call { min-height: 44px; padding: 0 18px; gap: 8px; }
.call-label { color: var(--grey-text); font-weight: 700; }

/* ---------- Hero ---------- */

.hero { display: grid; grid-template-columns: 1.05fr 1fr; background: var(--ink); color: var(--white); }
.hero-text {
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(48px, 8vw, 110px) var(--gutter);
  padding-left: max(var(--gutter), calc((100vw - var(--wrap)) / 2 + var(--gutter)));
}
.hero-text h1 { max-width: 12ch; }
.hero-text .lede { margin-top: 26px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-photo { position: relative; min-height: 420px; margin: 0; }
.hero-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 64%; }

/* The credit badge on the main photo. Plain type in the site's own style. */
.credit {
  position: absolute; right: 22px; bottom: 22px;
  display: flex; flex-direction: column; gap: 4px;
  padding: 12px 18px 13px 16px;
  background: rgba(11, 11, 12, .88); color: var(--white);
  border-left: 7px solid var(--grey);
}
.credit-label { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: #b9b9b9; }
.credit-name { font-size: 1.35rem; font-weight: 900; letter-spacing: -0.02em; text-transform: uppercase; line-height: 1; }

/* ---------- The elev8. mark on every photo ---------- */

.marked { position: relative; }
.marked::after {
  content: "";
  position: absolute; left: 5%; bottom: 5%;
  width: 26%; max-width: 128px; aspect-ratio: 2762 / 797;
  background: url("assets/brand/brandmark-white.png") left bottom / contain no-repeat;
  opacity: .78;
  filter: drop-shadow(0 1px 5px rgba(0, 0, 0, .6));
  pointer-events: none;
}
.hero-photo.marked::after { left: 26px; bottom: 26px; width: 20%; max-width: 190px; }

/* ---------- Three statements under the main photo ---------- */

.stats { background: var(--ink); color: var(--white); border-top: 1px solid var(--line-dark); }
.stats-row { display: grid; grid-template-columns: repeat(3, 1fr); }
.stat {
  padding: clamp(30px, 4vw, 50px) clamp(18px, 3vw, 40px) clamp(32px, 4vw, 54px);
  border-left: 1px solid var(--line-dark);
}
.stat:first-child { padding-left: 0; border-left: 0; }
.stat .bar { display: block; margin-bottom: 22px; }
.stat-big { font-size: clamp(1.9rem, 3.8vw, 3.1rem); font-weight: 900; letter-spacing: -0.04em; line-height: 1; }
.stat-text { margin-top: 14px; max-width: 27ch; color: #a9a9a9; font-size: 0.98rem; }

/* ---------- Sections ---------- */

.section { padding: clamp(64px, 9vw, 120px) 0; }
.section.dark { background: var(--ink); color: var(--white); }
.section.grey { background: var(--grey-light); }

.num { display: block; margin-bottom: 14px; font-size: 0.85rem; font-weight: 900; letter-spacing: 0.08em; color: var(--grey); }

/* What we do: a photo for each service */
.services {
  list-style: none; margin: clamp(36px, 5vw, 64px) 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: clamp(28px, 4vw, 52px) clamp(16px, 2.4vw, 28px);
}
.service-photo { aspect-ratio: 4 / 3; overflow: hidden; margin-bottom: 20px; background: var(--grey-light); }
.service-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 66%; }
.service .num { margin-bottom: 8px; }
.service p { margin-top: 8px; color: var(--grey-text); }

/* Gallery */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: clamp(36px, 5vw, 64px); }
.tile { position: relative; display: block; aspect-ratio: 3 / 4; overflow: hidden; background: var(--ink-soft); text-decoration: none; }
.tile img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.tile:hover img { transform: scale(1.04); }
.tile-cta { display: flex; flex-direction: column; justify-content: flex-end; padding: 22px; background: var(--white); color: var(--ink); }
.tile-cta strong { font-size: clamp(1.3rem, 2.2vw, 1.8rem); font-weight: 900; letter-spacing: -0.03em; line-height: 1.05; }
.tile-cta em { margin-top: 10px; font-style: normal; font-weight: 700; color: var(--grey-text); }
.tile-cta:hover { background: var(--grey-light); }

/* Photo viewer that opens when a gallery photo is tapped */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; justify-items: center; gap: 10px;
  padding: 68px 12px 20px;
  background: rgba(8, 8, 9, .95);
}
.lightbox[hidden] { display: none; }
.lightbox img { grid-column: 2; max-width: 100%; max-height: calc(100vh - 100px); object-fit: contain; }
.lightbox button {
  min-width: 48px; min-height: 48px;
  background: none; border: 2px solid var(--white); color: var(--white);
  font: inherit; font-weight: 800; cursor: pointer;
}
.lightbox button:hover { background: var(--white); color: var(--ink); }
.lightbox-close { position: absolute; top: 12px; right: 12px; padding: 0 18px; }
.lightbox-prev { grid-column: 1; }
.lightbox-next { grid-column: 3; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: clamp(36px, 5vw, 64px); }
.step { padding-top: 22px; border-top: 7px solid var(--grey); }
.step .num { font-size: 2.6rem; letter-spacing: -0.04em; color: var(--ink); margin-bottom: 10px; line-height: 1; }
.step p { margin-top: 10px; color: var(--grey-text); }

/* Why */
.two-col { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 6vw, 90px); align-items: start; }
.why-list { list-style: none; margin: 0; padding: 0; }
.why-list li { padding: 24px 0; border-top: 2px solid var(--ink); }
.why-list li:last-child { border-bottom: 2px solid var(--ink); }
.why-list p { margin-top: 8px; color: var(--grey-text); }

/* Where we work */
.list-title { font-size: 1rem; letter-spacing: 0; font-weight: 800; padding-bottom: 14px; border-bottom: 2px solid var(--ink); }
.area-list { list-style: none; margin: 0; padding: 18px 0 0; columns: 3; column-gap: 24px; }
.area-list li { padding: 5px 0; color: var(--grey-text); break-inside: avoid; }

/* Common questions */
.faq {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 clamp(28px, 5vw, 72px);
  margin-top: clamp(36px, 5vw, 64px); border-top: 2px solid var(--ink);
}
.faq > div { padding: 26px 0 28px; border-bottom: 1px solid #c6c3bc; }
.faq p { margin-top: 10px; color: var(--grey-text); }
.faq a { color: var(--ink); font-weight: 700; }

/* Contact */
.contact h2 { max-width: 14ch; }
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: clamp(32px, 5vw, 56px); }
.contact-card {
  display: block; padding: 28px; text-decoration: none;
  background: var(--white); color: var(--ink);
  transition: background-color .15s ease;
}
.contact-card:hover { background: var(--grey-light); }
.contact-card .label { display: block; font-size: 0.8rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; color: var(--grey-text); }
.contact-card .value { display: block; margin-top: 10px; font-size: clamp(1.35rem, 3vw, 2.1rem); font-weight: 900; letter-spacing: -0.03em; line-height: 1.1; overflow-wrap: anywhere; }
.area { margin-top: 28px; color: #bdbdbd; }

/* Social links */
.social a { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; text-decoration: none; color: var(--white); }
.social a:hover { color: var(--grey-light); text-decoration: underline; }
.social svg { flex: none; }
.contact .social { margin-top: 22px; }

/* Footer */
.site-footer { background: var(--ink); color: #bdbdbd; border-top: 1px solid var(--line-dark); padding: 36px 0 44px; font-size: 0.92rem; }
.footer-row { display: flex; flex-wrap: wrap; align-items: center; gap: 24px 56px; }
.footer-row img { height: 44px; width: auto; }
.footer-row a { text-decoration: none; }
.footer-row a:hover { color: var(--white); }

/* Call and Send plans bar. Only shown on phones (see below). */
.action-bar { display: none; }

/* ---------- Smaller screens ---------- */

@media (max-width: 920px) {
  .nav { display: none; }
  .header-call { margin-left: auto; }
  .hero { grid-template-columns: 1fr; }
  .hero-text { padding: 52px var(--gutter) 44px; }
  .hero-photo { min-height: 0; aspect-ratio: 4 / 3; }
  .services { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; }
  .area-list { columns: 2; }
}

@media (max-width: 620px) {
  body { font-size: 16px; padding-bottom: calc(58px + env(safe-area-inset-bottom)); }
  .site-header { position: static; }
  .header-row { min-height: 64px; gap: 14px; }
  .logo img { height: 38px; }
  .call-label { display: none; }
  .stats-row { grid-template-columns: 1fr; }
  .stat { padding: 26px 0 28px; border-left: 0; border-top: 1px solid var(--line-dark); }
  .stat:first-child { border-top: 0; }
  .stat .bar { margin-bottom: 16px; }
  .services { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .faq { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .actions .btn { flex: 1 1 100%; }
  .credit { right: 12px; bottom: 12px; padding: 9px 13px 10px 12px; border-left-width: 5px; }
  .credit-name { font-size: 1.1rem; }
  .hero-photo.marked::after { left: 14px; bottom: 14px; width: 24%; }
  .lightbox { padding: 64px 6px 16px; gap: 4px; }
  .lightbox button { min-width: 40px; }

  .action-bar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    display: grid; grid-template-columns: 1fr 1fr;
    background: var(--ink); border-top: 1px solid var(--line-dark);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .action-bar a { display: flex; align-items: center; justify-content: center; min-height: 58px; font-weight: 800; text-decoration: none; }
  .action-call { background: var(--white); color: var(--ink); }
  .action-plans { color: var(--white); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .tile img, .btn, .contact-card { transition: none; }
}