/* A1 Installz — editorial marketing site */
:root {
  color-scheme: light;
  --black: #111111;
  --ink: #000000;
  --white: #ffffff;
  --off: #f7f7f5;
  --muted: #5c5c5c;
  --line: #e6e6e2;
  --focus: #111111;
  --radius: 2px;
  --max: 1120px;
  --header-h: 72px;
  --font: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Outfit", "DM Sans", system-ui, sans-serif;
  --shadow: 0 1px 2px rgba(0,0,0,.04);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--black); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { opacity: .75; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--white);
  padding: .75rem 1rem;
  z-index: 1000;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}
.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-link img {
  height: 48px;
  width: auto;
}
.logo-link:hover { opacity: 1; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  padding: .5rem .75rem;
  font: inherit;
  cursor: pointer;
  color: var(--black);
}
.nav-toggle[aria-expanded="true"] { background: var(--off); }

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.site-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.site-nav a {
  text-decoration: none;
  font-size: .9375rem;
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--black);
}
.site-nav a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .75rem 1.25rem;
  font-family: var(--font);
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: .02em;
  text-decoration: none;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .15s, color .15s, opacity .15s;
}
.btn:hover { opacity: 1; }
.btn-primary {
  background: var(--ink);
  color: var(--white);
}
.btn-primary:hover { background: #333; }
.btn-ghost {
  background: transparent;
  color: var(--black);
}
.btn-ghost:hover { background: var(--off); }
.btn-lg { padding: 1rem 1.5rem; font-size: 1rem; }
.header-cta { white-space: nowrap; }
/* Header Call button lives inside .site-nav; nav link color must not win over .btn-primary */
.site-nav a.btn-primary,
.site-nav a.btn-primary:visited {
  color: var(--white);
}
.site-nav a.btn-primary:hover {
  color: var(--white);
  background: #333;
  opacity: 1;
}


@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: absolute;
    left: 0; right: 0; top: 100%;
    flex-direction: column;
    align-items: stretch;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    padding: 1rem;
    display: none;
    gap: 1rem;
  }
  .site-nav.is-open { display: flex; }
  .site-nav ul {
    flex-direction: column;
    gap: .25rem;
  }
  .site-nav a {
    display: block;
    padding: .65rem .25rem;
  }
  .header-cta { width: 100%; }
}

/* Hero */
.hero {
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(2rem, 4vw, 3.5rem);
}
.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.05fr .95fr;
    gap: 3.5rem;
  }
}
.eyebrow {
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 .75rem;
}
.hero h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.15rem, 4.5vw, 3.35rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
}
.lede {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 36ch;
  margin: 0 0 1.75rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 1.5rem;
}
.hero-meta {
  font-size: .9375rem;
  color: var(--muted);
  margin: 0;
}
.hero-meta strong { color: var(--black); font-weight: 600; }
.hero-media {
  position: relative;
  background: var(--off);
  overflow: hidden;
}
.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
}

/* Sections */
.section { padding: clamp(3rem, 6vw, 5rem) 0; }
.section-alt { background: var(--off); }
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}
.section-head h2,
.page-hero h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0;
}
.section-head p,
.page-hero p {
  color: var(--muted);
  margin: .5rem 0 0;
  max-width: 48ch;
}
.page-hero {
  padding: clamp(2rem, 4vw, 3rem) 0 0;
}
.page-hero .container { padding-bottom: 2rem; border-bottom: 1px solid var(--line); }

/* Services grid */
.services-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 600px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}
.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.5rem 1.35rem;
  height: 100%;
}
.service-card h3 {
  font-family: var(--display);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 .5rem;
  letter-spacing: -0.01em;
}
.service-card p {
  margin: 0;
  color: var(--muted);
  font-size: .9875rem;
}
.service-card .icon {
  width: 28px;
  height: 28px;
  margin-bottom: 1rem;
  border: 1.5px solid var(--black);
  display: grid;
  place-items: center;
  font-size: .75rem;
  font-weight: 700;
}

/* Chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.chip {
  border: 1px solid var(--line);
  background: var(--white);
  padding: .5rem .9rem;
  font-size: .875rem;
  font-weight: 500;
}

/* Photo strip / gallery */
.photo-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .5rem;
}
@media (min-width: 700px) {
  .photo-strip { grid-template-columns: repeat(4, 1fr); }
}
.photo-strip a,
.gallery-grid a {
  display: block;
  overflow: hidden;
  background: var(--off);
  text-decoration: none;
}
.photo-strip img,
.gallery-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .35s ease;
}
.photo-strip a:hover img,
.gallery-grid a:hover img {
  transform: scale(1.03);
}

.gallery-grid {
  display: grid;
  gap: .65rem;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 700px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1000px) {
  .gallery-grid { grid-template-columns: repeat(4, 1fr); }
}
.gallery-grid figure { margin: 0; }
.gallery-grid figcaption {
  font-size: .75rem;
  color: var(--muted);
  padding: .4rem 0 0;
}

/* CTA band */
.cta-band {
  background: var(--ink);
  color: var(--white);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  text-align: center;
}
.cta-band h2 {
  font-family: var(--display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 .75rem;
}
.cta-band p { color: #c8c8c8; margin: 0 0 1.5rem; }
.cta-band .btn-primary {
  background: var(--white);
  color: var(--ink);
  border-color: var(--white);
}
.cta-band .btn-primary:hover { background: #eee; }
.cta-band .btn-ghost {
  color: var(--white);
  border-color: #555;
}
.cta-band .btn-ghost:hover { background: #222; }
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  justify-content: center;
}

/* Contact */
.contact-grid {
  display: grid;
  gap: 2.5rem;
}
@media (min-width: 800px) {
  .contact-grid { grid-template-columns: 1fr 1fr; gap: 3.5rem; }
}
.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.contact-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.contact-list li:first-child { border-top: 1px solid var(--line); }
.contact-list .label {
  display: block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .25rem;
}
.contact-list a { font-size: 1.125rem; font-weight: 600; text-decoration: none; }
.contact-list a:hover { text-decoration: underline; }
.note {
  font-size: .9375rem;
  color: var(--muted);
  margin-top: 1.25rem;
}

.form label {
  display: block;
  font-size: .875rem;
  font-weight: 600;
  margin: 0 0 .35rem;
}
.form .field { margin-bottom: 1rem; }
.form input,
.form textarea,
.form select {
  width: 100%;
  padding: .75rem .85rem;
  font: inherit;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--black);
}
.form textarea { min-height: 140px; resize: vertical; }
.form input:focus,
.form textarea:focus { border-color: var(--black); outline: none; box-shadow: 0 0 0 2px rgba(0,0,0,.08); }

/* About / content */
.prose { max-width: 62ch; }
.prose h2 {
  font-family: var(--display);
  font-size: 1.35rem;
  margin: 2rem 0 .75rem;
}
.prose p { color: var(--muted); }
.prose p strong { color: var(--black); }
.facts {
  display: grid;
  gap: 1rem;
  margin: 2rem 0;
}
@media (min-width: 600px) {
  .facts { grid-template-columns: repeat(3, 1fr); }
}
.fact {
  border: 1px solid var(--line);
  padding: 1.25rem;
}
.fact .num {
  font-family: var(--display);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 .25rem;
}
.fact p { margin: 0; color: var(--muted); font-size: .9375rem; }

.area-list {
  columns: 1;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
@media (min-width: 600px) { .area-list { columns: 2; } }
@media (min-width: 900px) { .area-list { columns: 3; } }
.area-list li {
  break-inside: avoid;
  padding: .55rem 0;
  border-bottom: 1px solid var(--line);
  font-weight: 500;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 3rem 0 2rem;
  margin-top: auto;
}
.footer-grid {
  display: grid;
  gap: 2rem;
}
@media (min-width: 700px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}
.footer-brand img { height: 44px; width: auto; margin-bottom: 1rem; }
.footer-brand p {
  color: var(--muted);
  font-size: .9375rem;
  margin: 0 0 1rem;
  max-width: 32ch;
}
.footer-col h3 {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin: 0 0 1rem;
  color: var(--muted);
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: .5rem; }
.footer-col a { text-decoration: none; font-size: .9375rem; }
.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
  justify-content: space-between;
  font-size: .8125rem;
  color: var(--muted);
}
.footer-bottom a { color: var(--muted); text-decoration: none; }
.footer-bottom a:hover { color: var(--black); }

/* 404 */
.error-page {
  min-height: 50vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 4rem 1rem;
}
.error-page h1 {
  font-family: var(--display);
  font-size: clamp(3rem, 8vw, 5rem);
  margin: 0;
  letter-spacing: -0.04em;
}

/* Lightbox simple */
.lightbox[hidden] { display: none !important; }
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.9);
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 1rem;
}
.lightbox img {
  max-height: 90vh;
  max-width: min(100%, 1200px);
  object-fit: contain;
}
.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: transparent;
  border: 1px solid #666;
  color: #fff;
  font: inherit;
  padding: .5rem .85rem;
  cursor: pointer;
}

/* Utility */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}
.text-muted { color: var(--muted); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }