/* ==========================================================
   Creative Acoustics Ltd. — site styles
   ========================================================== */

:root {
  --bg: #0d0906;
  --bg-alt: #171009;
  --surface: #20160e;
  --line: #47311d;
  --copper: #c07a45;
  --copper-light: #e8a97c;
  --gold: #f0c987;
  --ember: #9c3f1f;
  --text: #f5ecdd;
  --muted: #b7a58e;
  --radius: 10px;
  --header-h: 76px;
  --container: 1180px;
  --font-display: "Cinzel", Georgia, serif;
  --font-body: "Source Sans 3", "Segoe UI", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--copper-light); }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.02em;
  margin: 0 0 0.6em;
}
h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1.1em; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--copper);
  color: #000;
  padding: 8px 14px;
  z-index: 200;
}
.skip-link:focus { left: 12px; top: 12px; }

.eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--copper);
  margin-bottom: 0.8em;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.85em 1.7em;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background-color .2s, color .2s, border-color .2s;
}
.btn-primary { background: var(--copper); color: #140d08; border: 1px solid var(--copper); }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--copper-light); border-color: var(--copper-light); }
.btn-ghost { border: 1px solid rgba(239, 230, 218, .5); color: var(--text); }
.btn-ghost:hover, .btn-ghost:focus-visible { border-color: var(--copper-light); color: var(--copper-light); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(14, 11, 9, .96);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  position: relative;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand img { width: 230px; }

.site-nav { display: flex; gap: 30px; }
.site-nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}
.site-nav a:hover, .site-nav a:focus-visible { color: var(--copper-light); border-color: var(--copper); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  transition: transform .25s, opacity .25s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: min(88vh, 760px);
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 65% 50%;
  z-index: -2;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(14,11,9,.95) 0%, rgba(14,11,9,.82) 40%, rgba(14,11,9,.35) 75%, rgba(14,11,9,.2) 100%),
    linear-gradient(0deg, rgba(14,11,9,1) 0%, rgba(14,11,9,0) 30%);
}
.hero-content { padding-top: 80px; padding-bottom: 80px; }
.hero-content h1 { max-width: 16ch; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 42ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

/* ---------- Sections ---------- */
.section { padding: 100px 0; }
.section-head { text-align: center; margin-bottom: 48px; }

/* Why */
.why { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.why-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 64px;
  align-items: center;
}
.why-media { margin: 0; }
.why-media img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.why-copy p { color: var(--muted); }
.why-copy .signature {
  font-family: var(--font-display);
  color: var(--copper-light);
  margin-top: 1.6em;
}

/* Services */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.service-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.service-body { padding: 28px; }
.service-body h3 { color: var(--copper-light); }
.service-body p { color: var(--muted); }
.service-body ul { margin: 0; padding: 0; list-style: none; }
.service-body li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 6px;
}
.service-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--copper);
}

/* Gallery */
.gallery { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
}
.filter {
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.55em 1.3em;
  cursor: pointer;
  transition: background-color .2s, border-color .2s, color .2s;
}
.filter:hover { border-color: var(--copper); }
.filter.is-active { background: var(--copper); border-color: var(--copper); color: #140d08; }

.gallery-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.gallery-item[hidden] { display: none; }
.gallery-item a {
  display: block;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--line);
}
.gallery-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform .4s ease;
}
.gallery-item a:hover img, .gallery-item a:focus-visible img { transform: scale(1.05); }

/* Testimonials */
.quote-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 960px;
  margin: 0 auto;
}
.quote-card {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--copper);
  border-radius: var(--radius);
  padding: 32px 32px 28px;
}
.quote-card blockquote { margin: 0 0 18px; }
.quote-card blockquote p {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--text);
}
.quote-card blockquote p::before { content: "\201C"; color: var(--copper); }
.quote-card blockquote p::after { content: "\201D"; color: var(--copper); }
.quote-card figcaption {
  font-family: var(--font-display);
  color: var(--copper-light);
}
.quote-card figcaption span {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--muted);
}

/* Contact */
.contact { background: var(--bg-alt); border-top: 1px solid var(--line); }
.contact-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 64px;
  align-items: center;
}
.contact-copy > p { color: var(--muted); }
.contact-list { list-style: none; margin: 28px 0 0; padding: 0; }
.contact-list li {
  display: flex;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.contact-list .label {
  min-width: 70px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--copper);
  padding-top: 3px;
}
.contact-list a { text-decoration: none; }
.contact-list a:hover { text-decoration: underline; }

.area-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
}
.area-card h3 { color: var(--copper-light); }
.area-card p { color: var(--muted); }
.area-card img {
  width: 180px;
  margin: 20px auto 0;
  border-radius: 8px;
  border: 1px solid var(--line);
}

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 40px 0; }
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}
.footer-inner img { width: 190px; }
.footer-inner p { margin: 0; font-size: 0.9rem; color: var(--muted); }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(8, 6, 5, .95);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 70px;
}
.lightbox[hidden] { display: none; }
.lb-figure { margin: 0; max-width: 100%; max-height: 100%; text-align: center; }
.lb-img {
  max-width: 100%;
  max-height: calc(100vh - 160px);
  width: auto;
  margin: 0 auto;
  border-radius: 6px;
}
.lb-caption { margin-top: 14px; color: var(--muted); font-size: 0.95rem; }
.lb-close, .lb-prev, .lb-next {
  position: absolute;
  background: rgba(29, 23, 19, .9);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover { border-color: var(--copper); color: var(--copper-light); }
.lb-close { top: 16px; right: 16px; }
.lb-prev { left: 12px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 12px; top: 50%; transform: translateY(-50%); }

body.no-scroll { overflow: hidden; }

:focus-visible { outline: 2px solid var(--copper-light); outline-offset: 3px; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .service-grid { grid-template-columns: 1fr 1fr; }
  .service-card:last-child { grid-column: 1 / -1; }
  .service-card:last-child .service-media img { aspect-ratio: 16 / 7; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid, .contact-grid { gap: 40px; }
}

/* Mobile nav: compact dropdown below header (≤720px) */
@media (max-width: 720px) {
  :root { --header-h: 64px; }
  .brand img { width: 180px; }
  .nav-toggle { display: flex; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 18px;
    padding: 14px 20px 16px;
    background: #16110e;
    border-bottom: 1px solid var(--line);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity .2s, transform .2s, visibility 0s linear .2s;
  }
  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition: opacity .2s, transform .2s, visibility 0s;
  }
  .site-nav a { font-size: 0.85rem; }

  .section { padding: 72px 0; }
  .hero { min-height: 560px; }
  .hero-bg { object-position: 70% 50%; }
  .hero::before {
    background: linear-gradient(0deg, rgba(14,11,9,.97) 0%, rgba(14,11,9,.8) 55%, rgba(14,11,9,.55) 100%);
  }
  .why-grid, .contact-grid, .service-grid, .quote-grid { grid-template-columns: 1fr; }
  .service-card:last-child { grid-column: auto; }
  .service-card:last-child .service-media img { aspect-ratio: 4 / 3; }
  .why-media img { aspect-ratio: 4 / 3; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .lightbox { padding: 60px 12px; }
  .lb-prev, .lb-next { top: auto; bottom: 14px; transform: none; }
  .lb-prev { left: calc(50% - 60px); }
  .lb-next { right: calc(50% - 60px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}