:root {
  --graphite: #1d232b;
  --graphite-2: #2b333d;
  --steel: #eef1f4;
  --steel-line: #d3d9df;
  --text: #2a3139;
  --muted: #5c6773;
  --heat: #2d5d88;      /* heat-tinted steel blue */
  --bronze: #b5852e;    /* gold carrier of a floating disc */
  --wa: #1fa855;
  --radius: 6px;
  --head: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --body: "Barlow", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; font-family: var(--body); font-size: 17px; line-height: 1.6; color: var(--text); background: #fff; }
img { display: block; max-width: 100%; }
a { color: var(--heat); }
:focus-visible { outline: 3px solid var(--bronze); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--head); font-weight: 700; line-height: 1.05; margin: 0; color: var(--graphite); }

.wrap { width: min(1160px, 100% - 40px); margin-inline: auto; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: var(--radius); font-weight: 600; text-decoration: none; border: 2px solid transparent; }
.btn-sm { min-height: 38px; padding: 0 14px; font-size: 15px; }
.btn-wa { background: var(--wa); color: #fff; }
.btn-wa:hover { background: #188c46; }
.btn-ghost { border-color: rgba(255,255,255,.7); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); }

/* header */
.top { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--steel-line); }
.top-in { display: flex; align-items: center; gap: 28px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--graphite); font-family: var(--head); font-size: 24px; font-weight: 700; }
.brand .disc { width: 32px; height: 32px; }
.nav { display: flex; gap: 24px; margin-left: auto; }
.nav a { color: var(--text); text-decoration: none; font-weight: 500; }
.nav a:hover { color: var(--heat); }

.disc circle { fill: none; stroke: currentColor; stroke-width: 6; }
.disc .hole { fill: currentColor; stroke: none; }
.brand .disc { color: var(--bronze); }

/* hero */
.hero { position: relative; background: var(--graphite); color: #fff; min-height: min(72vh, 680px); display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; }
.slides { position: absolute; inset: 0; }
.slide { position: absolute; inset: 0; margin: 0; opacity: 0; transition: opacity .8s ease; }
.slide.is-on { opacity: 1; }
.slide img { width: 100%; height: 100%; object-fit: cover; }
.slides::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to right, rgba(18,22,28,.7) 0%, rgba(18,22,28,0) 60%), linear-gradient(to top, rgba(18,22,28,.88) 0%, rgba(18,22,28,.4) 45%, rgba(18,22,28,0) 75%); pointer-events: none; }
.slide figcaption { position: absolute; right: 20px; top: 20px; z-index: 2; max-width: 280px; padding: 10px 14px; background: rgba(18,22,28,.72); border-left: 3px solid var(--bronze); font-size: 15px; line-height: 1.4; }
.slide figcaption strong { display: block; font-family: var(--head); font-size: 20px; }

.hero-mark { position: absolute; right: -8%; top: 50%; transform: translateY(-50%); width: min(70vw, 620px); color: var(--graphite-2); }
.hero-mark .disc circle { stroke-width: 2.5; }

.hero-copy { position: relative; z-index: 3; padding-block: 64px 40px; }
.hero h1 { color: #fff; font-size: clamp(42px, 7vw, 84px); max-width: 13ch; letter-spacing: -.01em; }
.hero p { max-width: 54ch; margin: 18px 0 28px; font-size: 19px; color: #dfe4e9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero-ctrl { position: relative; z-index: 3; display: flex; align-items: center; gap: 14px; padding-bottom: 28px; }
.arrow { width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,.5); background: transparent; color: #fff; font-size: 26px; line-height: 1; cursor: pointer; }
.arrow:hover { background: rgba(255,255,255,.14); }
.dots { display: flex; gap: 8px; }
.dot { width: 28px; height: 4px; padding: 0; border: 0; background: rgba(255,255,255,.35); cursor: pointer; }
.dot.is-on { background: var(--bronze); }

.note { background: var(--bronze); color: #1d1608; font-weight: 600; padding: 12px 0; }

/* sections */
.section { padding: 80px 0; }
.section h2 { font-size: clamp(34px, 5vw, 52px); }
.sec-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 32px; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.tab { font: inherit; font-size: 15px; font-weight: 600; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--steel-line); background: #fff; color: var(--text); cursor: pointer; }
.tab.is-on { background: var(--graphite); border-color: var(--graphite); color: #fff; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 28px 22px; }
.item[hidden] { display: none; }
.item-img { aspect-ratio: 1; background: var(--steel); border-radius: var(--radius); overflow: hidden; }
.item-img img { width: 100%; height: 100%; object-fit: cover; }
.item-body { padding-top: 12px; }
.item h3 { font-size: 24px; }
.item p { margin: 4px 0 0; color: var(--muted); font-size: 15px; }
.ask { display: inline-block; margin-top: 8px; font-weight: 600; font-size: 15px; color: var(--wa); text-decoration: none; border-bottom: 2px solid currentColor; }
.empty { color: var(--muted); max-width: 52ch; }

.about { background: var(--steel); }
.about-in { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-text p { max-width: 58ch; color: var(--text); }
.about-text h2 { margin-bottom: 18px; }
.about-img img { width: 100%; border-radius: var(--radius); }

.contact .lead { color: var(--muted); margin: 12px 0 28px; }
.contact-row { display: flex; flex-wrap: wrap; gap: 16px; }
.c-card { flex: 1 1 280px; display: flex; flex-direction: column; gap: 4px; padding: 22px 24px; border: 1px solid var(--steel-line); border-radius: var(--radius); text-decoration: none; color: var(--graphite); }
.c-card:hover { border-color: var(--heat); }
.c-wa { border-color: var(--wa); }
.c-label { font-size: 15px; color: var(--muted); }
.c-value { font-family: var(--head); font-size: 28px; font-weight: 700; word-break: break-all; }
.loc { margin-top: 20px; color: var(--muted); }

.foot { background: var(--graphite); color: #aab3bd; padding: 26px 0; font-size: 15px; }

.wa-float { position: fixed; right: 18px; bottom: 18px; z-index: 30; width: 56px; height: 56px; border-radius: 50%; background: var(--wa); display: none; place-items: center; box-shadow: 0 4px 14px rgba(0,0,0,.25); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav { display: none; }
  .top-in .btn-sm { margin-left: auto; }
  .brand { font-size: 21px; white-space: nowrap; }
  .section { padding: 56px 0; }
  .hero { min-height: 78vh; }
  .hero p { font-size: 17px; }
  .slide figcaption { display: none; }
  .about-in { grid-template-columns: 1fr; gap: 28px; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 20px 14px; }
  .item h3 { font-size: 20px; }
  .wa-float { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .slide { transition: none; }
}
