:root {
  --bg: #090909;
  --bg-2: #111111;
  --ink: #f3f1ec;
  --muted: #a7a39b;
  --dim: #6f6b64;
  --line: rgba(243, 241, 236, 0.12);
  --line-strong: rgba(243, 241, 236, 0.28);
  --wa: #1f8f4e;
  --serif: "Newsreader", "Times New Roman", serif;
  --sans: "Outfit", system-ui, sans-serif;
  --header: 78px;
  --pad: clamp(1.15rem, 4vw, 2.5rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header) + 8px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 360;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
.skip {
  position: absolute; left: 1rem; top: -4rem;
  background: #fff; color: #000; padding: .6rem 1rem; z-index: 3000;
}
.skip:focus { top: 1rem; }

.wrap { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }
.wrap-wide { width: min(1360px, calc(100% - 1.4rem)); margin-inline: auto; }

.kicker {
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 .8rem;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 450; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.7rem, 7.2vw, 6.1rem); line-height: .92; margin: 0; }
h2 { font-size: clamp(2.1rem, 4.6vw, 4rem); line-height: 1.02; margin: 0 0 1rem; }
h3 { font-size: clamp(1.45rem, 2vw, 2rem); margin: 0 0 .5rem; line-height: 1.15; }
.lede { color: var(--muted); font-size: 1.08rem; max-width: 38rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  min-height: 50px; padding: 0 1.25rem;
  border: 1px solid var(--line-strong);
  background: transparent; color: var(--ink);
  letter-spacing: .08em; text-transform: uppercase; font-size: .78rem;
  cursor: pointer; transition: .25s ease;
}
.btn:hover { background: var(--ink); color: #111; }
.btn-solid { background: var(--ink); color: #111; border-color: var(--ink); }
.btn-solid:hover { background: #fff; }
.btn-wa { background: var(--wa); border-color: var(--wa); color: #fff; }
.btn-wa:hover { background: #187a41; color: #fff; }
.btn:focus-visible, a:focus-visible, button:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

/* header */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 40;
  height: var(--header);
  display: flex; align-items: center;
  transition: background .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.header.is-on {
  background: rgba(9,9,9,.9);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
}
.header-in {
  width: min(1360px, calc(100% - 1.4rem));
  margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand { display: flex; align-items: center; gap: .7rem; }
.brand img { width: 42px; height: 42px; object-fit: contain; }
.brand strong {
  display: block; font-family: var(--serif); font-weight: 500;
  letter-spacing: .14em; font-size: .92rem; text-transform: uppercase;
}
.brand small { display: block; color: var(--dim); letter-spacing: .12em; text-transform: uppercase; font-size: .62rem; }
.nav { display: none; gap: 1.3rem; }
.nav a { font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.nav a:hover, .nav a.is-on { color: var(--ink); }
.burger {
  width: 44px; height: 44px; border: 1px solid var(--line); background: transparent; color: #fff; cursor: pointer;
}
.mobile {
  display: none; position: fixed; inset: var(--header) 0 0 0; z-index: 39;
  background: rgba(9,9,9,.97); padding: 1.2rem 1.4rem;
}
.mobile.open { display: block; }
.mobile a { display: block; padding: 1rem 0; border-bottom: 1px solid var(--line); letter-spacing: .1em; text-transform: uppercase; }
@media (max-width: 720px) {
  .header .btn-wa { display: none; }
}
@media (min-width: 980px) {
  .nav { display: flex; }
  .burger { display: none; }
}

/* hero */
.hero {
  min-height: 100svh;
  display: grid;
  position: relative;
  background: #000;
}
.hero-photo { position: relative; min-height: 62vh; overflow: hidden; }
.hero-photo img, .crop img {
  width: 100%; height: 100%; object-fit: cover; transform: scale(1.14);
}
.hero-photo img { position: absolute; inset: 0; object-position: center 30%; }
.hero-copy {
  padding: 1.6rem var(--pad) 3rem;
  display: flex; flex-direction: column; justify-content: flex-end;
}
.hero-copy p { color: var(--muted); max-width: 34rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.4rem; }
.hero-meta {
  display: flex; flex-wrap: wrap; gap: .6rem 1.2rem;
  margin-top: 1.6rem; color: var(--dim); font-size: .82rem; letter-spacing: .04em;
}
@media (min-width: 980px) {
  .hero { grid-template-columns: .9fr 1.1fr; min-height: 100svh; }
  .hero-photo { min-height: 100svh; order: 2; }
  .hero-copy { padding: 7rem 3rem 3.5rem; order: 1; }
}

/* services editorial */
.chapter { padding: clamp(4.5rem, 9vw, 8rem) 0; }
.chapter-head { margin-bottom: 2.5rem; max-width: 40rem; }
.service {
  display: grid; gap: 0;
  border-top: 1px solid var(--line);
}
.service:last-child { border-bottom: 1px solid var(--line); }
.service-photo { min-height: 280px; overflow: hidden; position: relative; background: #000; }
.service-photo img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.12); min-height: 280px; }
.service-copy { padding: 1.6rem 0 2rem; }
.service-copy p { color: var(--muted); margin: 0 0 1.1rem; max-width: 36rem; }
.service a.more { letter-spacing: .12em; text-transform: uppercase; font-size: .75rem; border-bottom: 1px solid var(--line-strong); padding-bottom: .15rem; }
.num { color: var(--dim); font-size: .78rem; letter-spacing: .16em; }
@media (min-width: 860px) {
  .service { grid-template-columns: 1.05fr .95fr; align-items: stretch; }
  .service:nth-child(even) .service-photo { order: 2; }
  .service-copy { padding: 2.4rem 2.2rem; display: flex; flex-direction: column; justify-content: center; }
  .service-photo, .service-photo img { min-height: 460px; }
}

/* about */
.about {
  display: grid; gap: 1.5rem;
}
.about-photo { min-height: 360px; overflow: hidden; background: #000; }
.about-photo img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; transform: scale(1.1); object-position: center 40%; }
.about p { color: var(--muted); }
.facts { display: grid; gap: .8rem; margin-top: 1.5rem; }
.facts div { border-top: 1px solid var(--line); padding-top: .7rem; }
.facts strong { display: block; font-weight: 500; }
.facts span { color: var(--dim); font-size: .92rem; }
@media (min-width: 900px) {
  .about { grid-template-columns: 1.05fr .95fr; gap: 3rem; align-items: center; }
  .about-photo, .about-photo img { min-height: 620px; }
}

/* gallery */
.mosaic {
  columns: 1; column-gap: .7rem;
}
.shot {
  break-inside: avoid; margin: 0 0 .7rem; position: relative;
  overflow: hidden; background: #000; cursor: zoom-in; border: 0; padding: 0; width: 100%; display: block;
}
.shot img { width: 100%; height: auto; transform: scale(1.06); transition: transform .6s ease; }
.shot:hover img { transform: scale(1.12); }
.shot figcaption, .shot span {
  position: absolute; left: .8rem; bottom: .7rem;
  font-size: .72rem; letter-spacing: .14em; text-transform: uppercase;
  color: #fff; text-shadow: 0 1px 8px rgba(0,0,0,.6);
}
@media (min-width: 700px) { .mosaic { columns: 2; } }
@media (min-width: 1100px) { .mosaic { columns: 3; } }

.lb {
  position: fixed; inset: 0; z-index: 80; background: rgba(0,0,0,.94);
  display: none; align-items: center; justify-content: center; padding: 3rem 4rem;
}
.lb.open { display: flex; }
.lb img { max-width: 100%; max-height: 86vh; object-fit: contain; }
.lb button {
  position: absolute; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--line-strong); background: rgba(0,0,0,.4); color: #fff; cursor: pointer;
}
.lb .x { top: 1rem; right: 1rem; }
.lb .p { left: 1rem; top: 50%; }
.lb .n { right: 1rem; top: 50%; }

/* process */
.steps { display: grid; gap: 0; }
.step { padding: 1.4rem 0; border-top: 1px solid var(--line); display: grid; gap: .3rem; }
.step b { font-family: var(--serif); font-size: 1.7rem; font-weight: 450; }
.step p { margin: 0; color: var(--muted); }
@media (min-width: 800px) {
  .steps { grid-template-columns: repeat(4, 1fr); }
  .step { padding: 0 1.2rem; border-top: 0; border-left: 1px solid var(--line); }
  .step:first-child { border-left: 0; padding-left: 0; }
}

/* differentials */
.diff { display: grid; gap: 0; }
.diff article { padding: 1.3rem 0; border-top: 1px solid var(--line); }
.diff h3 { font-family: var(--sans); font-size: 1rem; letter-spacing: .04em; font-weight: 500; }
.diff p { margin: 0; color: var(--muted); }
@media (min-width: 800px) { .diff { grid-template-columns: 1fr 1fr; } .diff article { padding-right: 2rem; } }

/* reviews */
.quotes { display: grid; gap: 1rem; }
.quote {
  border-top: 1px solid var(--line); padding: 1.3rem 0 0; margin: 0;
}
.quote p { font-family: var(--serif); font-size: 1.35rem; line-height: 1.35; margin: 0 0 .8rem; }
.quote cite { font-style: normal; color: var(--dim); font-size: .82rem; letter-spacing: .04em; }
@media (min-width: 900px) { .quotes { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; } }

/* faq */
.faq details { border-top: 1px solid var(--line); padding: .2rem 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 1rem 0; list-style: none; font-size: 1.05rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--muted); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 1rem; color: var(--muted); max-width: 46rem; }

/* cta + contact */
.band {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
  background:
    linear-gradient(180deg, rgba(9,9,9,.2), rgba(9,9,9,.75)),
    url("../img/gallery/12-18-byd-gtechniq.jpg") center 30% / cover no-repeat;
  text-align: left;
}
.band .wrap { max-width: 760px; }
.contact { display: grid; gap: 2rem; }
.contact address { font-style: normal; color: var(--muted); }
.contact a:hover { color: #fff; }
.map { margin-top: 1rem; }
.map iframe { width: 100%; height: 260px; border: 0; filter: grayscale(.45) contrast(1.05); }
.form { display: grid; gap: .8rem; }
.form label { display: grid; gap: .35rem; font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.form input, .form select, .form textarea {
  background: transparent; border: 0; border-bottom: 1px solid var(--line-strong);
  padding: .75rem 0; border-radius: 0; outline: none;
}
.form input:focus, .form select:focus, .form textarea:focus { border-bottom-color: #fff; }
.form select option { background: #111; }
.note { color: var(--dim); font-size: .82rem; }
.feedback { display: none; color: var(--muted); }
.feedback.show { display: block; }
@media (min-width: 900px) { .contact { grid-template-columns: .8fr 1.2fr; gap: 4rem; } }

footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 5.5rem;
  color: var(--dim); font-size: .85rem;
}
.foot { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; align-items: center; }
.foot nav { display: flex; gap: 1rem; }
.foot a:hover { color: #fff; }

.float {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 50;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--wa); color: #fff; display: grid; place-items: center;
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}
.float svg { width: 28px; height: 28px; fill: currentColor; }

.reveal { opacity: 0; transform: translateY(16px); animation: up .8s ease forwards; }
@keyframes up { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .reveal, .shot img, .hero-photo img { animation: none; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}