:root {
  --charcoal:   #121213;
  --charcoal-2: #1b1b1d;
  --charcoal-3: #26262a;
  --ink:        #1e1d1a;
  --muted:      #6c6860;
  --muted-2:    #8a857b;

  --surface:    #f4f2ed;
  --surface-2:  #eae6de;
  --surface-3:  #ded9cf;
  --concrete:   #bdb6a9;
  --line:       rgba(28, 26, 22, 0.12);
  --line-2:     rgba(28, 26, 22, 0.06);
  --line-dark:  rgba(255, 255, 255, 0.10);

  --accent:     #b6763c;
  --accent-2:   #9c6230;
  --accent-soft:rgba(182, 118, 60, 0.12);

  --radius:   3px;
  --radius-lg: 5px;
  --maxw:     1200px;
  --gutter:   clamp(20px, 5vw, 64px);

  --ff-display: "Space Grotesk", system-ui, sans-serif;
  --ff-text:    "Inter", system-ui, sans-serif;

  --shadow: 0 1px 2px rgba(20,18,14,.04), 0 12px 30px rgba(20,18,14,.06);
  --shadow-lg: 0 24px 60px rgba(20,18,14,.14);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--ff-text);
  color: var(--ink);
  background: var(--surface);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--ff-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}
h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.8vw, 3rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
p  { margin: 0 0 1rem; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
}
.lead { font-size: 1.12rem; color: var(--muted); max-width: 60ch; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(72px, 10vw, 130px); }
.section--tight { padding-block: clamp(56px, 7vw, 90px); }
.section-head { max-width: 640px; margin-bottom: 56px; }
.section--dark { background: var(--charcoal); color: #efece5; }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fbfaf7; }
.section--alt { background: var(--surface-2); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 0.96rem;
  letter-spacing: 0.01em;
  padding: 14px 26px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn svg { width: 18px; height: 18px; }
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-2); transform: translateY(-2px); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: #000; transform: translateY(-2px); }
.btn--ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn--ghost:hover { border-color: var(--ink); background: rgba(0,0,0,.03); }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { transform: translateY(-2px); }
.btn--outline-light { border-color: var(--line-dark); color: #efece5; }
.btn--outline-light:hover { border-color: #efece5; background: rgba(255,255,255,.06); }

.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--charcoal);
  border-bottom: 1px solid var(--line-dark);
}
.nav__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__brand { display: flex; align-items: center; gap: 12px; }
.nav__brand img { height: 46px; width: auto; }
.nav__links { display: flex; align-items: center; gap: 34px; }
.nav__links a {
  font-family: var(--ff-display);
  font-size: 0.94rem;
  font-weight: 500;
  color: #cfccc4;
  position: relative;
  padding: 6px 0;
  transition: color .18s ease;
}
.nav__links a:hover, .nav__links a.is-active { color: #fff; }
.nav__links a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--accent);
}
.nav__cta { display: flex; align-items: center; gap: 18px; }
.nav__toggle {
  display: none;
  background: none;
  border: 0;
  color: #fff;
  cursor: pointer;
  padding: 6px;
}
.nav__toggle svg { width: 26px; height: 26px; }

@media (max-width: 900px) {
  .nav__links, .nav__cta .btn { display: none; }
  .nav__toggle { display: inline-flex; }
  .nav__links.is-open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    position: absolute;
    top: 76px; left: 0; right: 0;
    background: var(--charcoal-2);
    padding: 16px var(--gutter) 24px;
    border-bottom: 1px solid var(--line-dark);
  }
  .nav__links.is-open a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--line-dark); }
}

.hero {
  position: relative;
  background: var(--charcoal);
  color: #f3f0ea;
  overflow: hidden;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 70% 20%, #000 30%, transparent 75%);
  opacity: .5;
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
  padding-block: clamp(70px, 9vw, 120px);
}
.hero h1 { color: #fff; }
.hero h1 span { color: var(--accent); }
.hero .lead { color: #b9b5ac; margin-top: 22px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero__stats {
  display: flex; gap: 40px; margin-top: 54px;
  padding-top: 30px; border-top: 1px solid var(--line-dark);
}
.hero__stat .n { font-family: var(--ff-display); font-size: 2rem; font-weight: 600; color: #fff; }
.hero__stat .l { font-size: 0.85rem; color: var(--muted-2); }
.hero__art {
  position: relative;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, #202022, #171719);
  padding: 18px;
}
.hero__art img { border-radius: var(--radius); }
.hero__badge {
  position: absolute; bottom: -18px; left: -18px;
  background: var(--surface);
  color: var(--ink);
  padding: 14px 18px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 12px;
  font-family: var(--ff-display); font-weight: 600; font-size: .92rem;
}
.hero__badge svg { width: 30px; height: 30px; color: var(--accent); }

@media (max-width: 860px) {
  .hero__inner { grid-template-columns: 1fr; gap: 44px; }
  .hero__stats { gap: 28px; flex-wrap: wrap; }
}

.about { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 90px); align-items: center; }
.about__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface-3);
}
.about__facts { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 34px; }
.about__fact { border-top: 2px solid var(--ink); padding-top: 14px; }
.about__fact .n { font-family: var(--ff-display); font-size: 2.1rem; font-weight: 600; }
.about__fact .l { color: var(--muted); font-size: .92rem; }
@media (max-width: 820px) { .about { grid-template-columns: 1fr; } }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.feature { background: var(--surface); padding: 38px 34px; transition: background .2s ease; }
.feature:hover { background: #fff; }
.feature__icon {
  width: 52px; height: 52px; border-radius: var(--radius);
  display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
  margin-bottom: 22px;
}
.feature__icon svg { width: 26px; height: 26px; }
.feature h3 { margin-bottom: 10px; }
.feature p { color: var(--muted); margin: 0; font-size: .96rem; }
@media (max-width: 820px) { .features { grid-template-columns: 1fr; } }

.pcards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.pcard {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.pcard:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--concrete); }
.pcard__img { background: var(--surface-3); border-bottom: 1px solid var(--line); }
.pcard__img img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.pcard__body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.pcard__tag { font-family: var(--ff-display); font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.pcard h3 { margin-bottom: 10px; }
.pcard p { color: var(--muted); font-size: .95rem; }
.pcard__link { margin-top: auto; padding-top: 18px; display: inline-flex; align-items: center; gap: 8px; font-family: var(--ff-display); font-weight: 500; color: var(--ink); }
.pcard__link svg { width: 17px; height: 17px; transition: transform .2s ease; }
.pcard:hover .pcard__link svg { transform: translateX(4px); }
@media (max-width: 900px) { .pcards { grid-template-columns: 1fr; } }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.step { position: relative; padding-top: 30px; border-top: 1px solid var(--line-dark); }
.step__n { font-family: var(--ff-display); font-size: .8rem; letter-spacing: .16em; color: var(--accent); margin-bottom: 16px; }
.step h3 { color: #fff; margin-bottom: 8px; font-size: 1.2rem; }
.step p { color: #a8a49b; font-size: .93rem; margin: 0; }
@media (max-width: 820px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .steps { grid-template-columns: 1fr; } }

.contact { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(40px, 6vw, 80px); }
.cinfo { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.cinfo:last-child { border-bottom: 0; }
.cinfo__icon { width: 44px; height: 44px; flex: none; border-radius: var(--radius); display: grid; place-items: center; background: var(--surface-3); color: var(--ink); }
.cinfo__icon svg { width: 21px; height: 21px; }
.cinfo h4 { font-family: var(--ff-display); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin-bottom: 4px; }
.cinfo p { margin: 0; font-weight: 500; }
.form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(26px, 4vw, 40px); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-family: var(--ff-display); font-size: .82rem; font-weight: 500; margin-bottom: 8px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff; font-family: var(--ff-text); font-size: .96rem; color: var(--ink);
  transition: border-color .18s ease, box-shadow .18s ease;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}
.hp { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.captcha { display: flex; align-items: flex-end; gap: 16px; }
.captcha .field { flex: 1; margin-bottom: 0; }
.captcha__q {
  font-family: var(--ff-display); font-weight: 600; font-size: 1.15rem;
  background: var(--surface-3); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 18px; white-space: nowrap; letter-spacing: .04em; color: var(--ink);
  user-select: none;
}
.form__note { font-size: .84rem; color: var(--muted); margin: 14px 0 0; }
@media (max-width: 780px) { .contact { grid-template-columns: 1fr; } .form__row { grid-template-columns: 1fr; } }

.cta {
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(40px, 6vw, 70px);
  display: grid; grid-template-columns: 1.2fr auto; gap: 30px; align-items: center;
}
.cta h2 { color: #fff; }
.cta p { color: rgba(255,255,255,.85); margin: 12px 0 0; max-width: 46ch; }
.cta__actions { display: flex; gap: 14px; flex-wrap: wrap; }
@media (max-width: 780px) { .cta { grid-template-columns: 1fr; } }

.footer { background: var(--charcoal); color: #b6b2a9; padding-block: 70px 30px; }
.footer__top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 44px; border-bottom: 1px solid var(--line-dark); }
.footer__brand img { height: 64px; margin-bottom: 18px; }
.footer__brand p { max-width: 34ch; font-size: .94rem; }
.footer h5 { font-family: var(--ff-display); font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: #fff; margin: 0 0 18px; font-weight: 600; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.footer ul a { color: #b6b2a9; font-size: .94rem; transition: color .18s ease; }
.footer ul a:hover { color: #fff; }
.footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 24px; font-size: .86rem; color: var(--muted-2); }
@media (max-width: 820px) { .footer__top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer__top { grid-template-columns: 1fr; } }

.page-hero { background: var(--charcoal); color: #f3f0ea; padding-block: clamp(56px, 8vw, 96px); position: relative; overflow: hidden; }
.page-hero .hero__grid { opacity: .35; mask-image: radial-gradient(ellipse 90% 90% at 50% 0%, #000 40%, transparent 80%); }
.page-hero__inner { position: relative; max-width: 720px; }
.page-hero h1 { color: #fff; font-size: clamp(2.4rem, 5vw, 3.8rem); }
.page-hero .lead { color: #b9b5ac; margin-top: 20px; }
.crumbs { font-family: var(--ff-display); font-size: .82rem; letter-spacing: .06em; color: var(--muted-2); margin-bottom: 22px; }
.crumbs a:hover { color: #fff; }

.pfilter { position: sticky; top: 76px; z-index: 40; background: var(--surface); border-bottom: 1px solid var(--line); }
.pfilter__inner { display: flex; gap: 8px; padding-block: 14px; overflow-x: auto; }
.pfilter a {
  font-family: var(--ff-display); font-weight: 500; font-size: .92rem;
  padding: 10px 20px; border-radius: 100px; white-space: nowrap;
  color: var(--muted); border: 1px solid var(--line);
  transition: all .18s ease;
}
.pfilter a:hover { color: var(--ink); border-color: var(--concrete); }

.product { padding-block: clamp(56px, 8vw, 100px); border-bottom: 1px solid var(--line); scroll-margin-top: 140px; }
.product__inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(40px, 5vw, 72px); align-items: center; }
.product--reverse .product__viewer { order: 2; }
.product__index { font-family: var(--ff-display); font-size: .8rem; letter-spacing: .18em; color: var(--accent); text-transform: uppercase; margin-bottom: 16px; }
.product h2 { margin-bottom: 18px; }
.product__desc { color: var(--muted); font-size: 1.04rem; max-width: 52ch; }

.spec-list { list-style: none; padding: 0; margin: 26px 0 30px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; }
.spec-list li { display: flex; gap: 12px; align-items: flex-start; font-size: .95rem; }
.spec-list svg { width: 19px; height: 19px; color: var(--accent); flex: none; margin-top: 2px; }
.spec-list .k { color: var(--muted); }
.spec-list .v { font-family: var(--ff-display); font-weight: 500; color: var(--ink); }

.applic { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.applic span { font-size: .82rem; padding: 6px 14px; border-radius: 100px; background: var(--surface-3); color: var(--ink); font-family: var(--ff-display); font-weight: 500; }

.viewer__frame {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface-3);
  box-shadow: var(--shadow);
}
.viewer__frame > [data-view] { display: none; width: 100%; aspect-ratio: 4/3; }
.viewer__frame > img[data-view] { object-fit: cover; }
.viewer__frame > [data-view].is-active { display: block; animation: fade .35s ease; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.viewer__mode {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  font-family: var(--ff-display); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
  background: rgba(18,18,19,.82); color: #fff; padding: 6px 12px; border-radius: 100px;
  display: flex; align-items: center; gap: 7px;
}
.viewer__mode svg { width: 13px; height: 13px; color: var(--accent); }

.pdfdoc {
  background:
    radial-gradient(circle at 20% 15%, rgba(255,255,255,.6), transparent 45%),
    linear-gradient(160deg, var(--surface-2), var(--surface-3));
  display: flex; flex-direction: column;
  padding: clamp(22px, 4vw, 34px);
  overflow: auto;
}
.pdfdoc__head { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.pdfdoc__badge {
  width: 52px; height: 52px; flex: none; border-radius: var(--radius);
  display: grid; place-items: center; background: var(--accent); color: #fff;
}
.pdfdoc__badge svg { width: 26px; height: 26px; }
.pdfdoc__head h4 { font-family: var(--ff-display); font-size: 1.05rem; margin: 0; }
.pdfdoc__head p { margin: 2px 0 0; font-size: .85rem; color: var(--muted); }

.pdfdoc--single { align-items: flex-start; justify-content: center; }

.dims { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.dim {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: rgba(255,255,255,.7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  transition: border-color .16s ease, background .16s ease, transform .16s ease;
}
.dim:hover { border-color: var(--accent); background: #fff; transform: translateY(-1px); }
.dim__size { font-family: var(--ff-display); font-weight: 600; font-size: .98rem; color: var(--ink); }
.dim__code { display: block; font-size: .72rem; color: var(--muted); letter-spacing: .04em; margin-top: 2px; }
.dim__open { flex: none; width: 34px; height: 34px; border-radius: var(--radius); display: grid; place-items: center; background: var(--surface-2); color: var(--accent); border: 1px solid var(--line); }
.dim:hover .dim__open { background: var(--accent); color: #fff; border-color: var(--accent); }
.dim__open svg { width: 17px; height: 17px; }
@media (max-width: 520px) { .dims { grid-template-columns: 1fr; } }

.toggle {
  display: inline-flex;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 5px;
  margin-top: 16px;
}
.toggle button {
  font-family: var(--ff-display); font-weight: 500; font-size: .9rem;
  border: 0; background: transparent; color: var(--muted);
  padding: 9px 20px; border-radius: 100px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  transition: color .18s ease;
}
.toggle button svg { width: 16px; height: 16px; }
.toggle button.is-active { background: var(--ink); color: #fff; box-shadow: var(--shadow); }

.gtypes {
  display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap;
}
.gtypes button {
  font-family: var(--ff-display); font-weight: 500; font-size: .9rem;
  padding: 10px 18px; border-radius: 100px; cursor: pointer;
  color: var(--muted); background: var(--surface); border: 1px solid var(--line);
  transition: all .16s ease;
}
.gtypes button:hover { color: var(--ink); border-color: var(--concrete); }
.gtypes button.is-active { background: var(--accent); color: #fff; border-color: var(--accent); }

.viewer__actions { margin-top: 16px; }

.viewer__frame > img[data-beam-img] { object-fit: contain; background: #fff; }

@media (max-width: 860px) {
  .product__inner { grid-template-columns: 1fr; gap: 36px; }
  .product--reverse .product__viewer { order: 0; }
  .spec-list { grid-template-columns: 1fr; }
}

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }