/* LumiTech Lighting — B2B LED lighting
   Palette: white base, deep navy #0a2463 accent, generous whitespace */

:root {
  --navy: #0a2463;
  --navy-600: #143a91;
  --navy-050: #eef2fa;
  --ink: #171a22;
  --body: #565d6e;
  --muted: #8b929f;
  --line: #e5e8ef;
  --line-soft: #f0f2f6;
  --soft: #f7f8fb;
  --radius: 10px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 3px rgba(23, 26, 34, 0.06);
  --shadow: 0 12px 34px rgba(23, 26, 34, 0.09);
  --maxw: 1240px;
  --head-h: 76px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: #fff;
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font: inherit; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- header ---------- */
.head {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.head__in { display: flex; align-items: center; justify-content: space-between; height: var(--head-h); }

.brand { display: flex; align-items: center; gap: 11px; font-size: 19px; font-weight: 600; letter-spacing: -0.02em; color: var(--navy); }
.brand img { height: 44px; width: auto; display: block; }
.brand em { font-style: normal; color: var(--ink); font-weight: 400; }

.nav { display: flex; gap: 32px; }
.nav a { font-size: 15px; color: var(--body); transition: color .2s; position: relative; padding: 4px 0; }
.nav a:hover { color: var(--navy); }
.nav a.on { color: var(--navy); font-weight: 500; }
.nav a.on::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--navy); border-radius: 2px; }

.head__cta {
  padding: 10px 22px; border-radius: 999px; background: var(--navy); color: #fff;
  font-size: 14.5px; font-weight: 500; transition: background .2s, transform .2s;
}
.head__cta:hover { background: var(--navy-600); transform: translateY(-1px); }

.burger { display: none; width: 42px; height: 42px; align-items: center; justify-content: center; }
.burger i { display: block; width: 21px; height: 1.6px; background: var(--ink); position: relative; }
.burger i::before, .burger i::after { content: ""; position: absolute; left: 0; width: 21px; height: 1.6px; background: var(--ink); }
.burger i::before { top: -6px; } .burger i::after { top: 6px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px; padding: 14px 30px;
  border-radius: 999px; font-size: 15px; font-weight: 500;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn--primary { background: var(--navy); color: #fff; }
.btn--primary:hover { background: var(--navy-600); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(10, 36, 99, .26); }
.btn--ghost { border: 1px solid var(--line); color: var(--ink); background: #fff; }
.btn--ghost:hover { border-color: var(--navy); color: var(--navy); }

/* ---------- hero ---------- */
.hero { background: linear-gradient(180deg, var(--soft), #fff); border-bottom: 1px solid var(--line-soft); }
.hero__in { display: grid; grid-template-columns: 1.02fr 0.98fr; gap: 60px; align-items: center; padding: 78px 0 84px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px; font-size: 12.5px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--navy); font-weight: 500; margin-bottom: 20px;
}
.eyebrow::before { content: ""; width: 26px; height: 1.5px; background: var(--navy); }

.hero h1 { font-size: clamp(36px, 4.6vw, 56px); line-height: 1.14; letter-spacing: -0.032em; font-weight: 600; color: var(--ink); }
.hero h1 em { font-style: normal; color: var(--navy); }
.lede { font-size: 17.5px; color: var(--body); max-width: 540px; margin-top: 22px; }
.hero__btns { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero__facts { display: flex; gap: 34px; margin-top: 42px; flex-wrap: wrap; }
.hero__facts div b { display: block; font-size: 25px; font-weight: 600; color: var(--navy); letter-spacing: -0.02em; }
.hero__facts div span { font-size: 13px; color: var(--muted); }

.hero__shot {
  position: relative; aspect-ratio: 4/3.2; border-radius: var(--radius-lg); overflow: hidden;
  background: linear-gradient(150deg, #dfe6f2, #f4f6fa); box-shadow: var(--shadow);
}
.hero__shot img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; display: block; opacity: 0; transition: opacity .8s ease; }
.hero__shot img.on { opacity: 1; }

/* full-width hero banner carousel */
.hero__top { padding: 54px 0 58px; max-width: 880px; }
.hero__carousel { position: relative; width: 100%; height: 37.5vw; min-height: 240px; max-height: 640px; overflow: hidden; background: #dfe6f2; }
.hero__carousel img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; display: block; opacity: 0; transition: opacity .9s ease; }
.hero__carousel img.on { opacity: 1; }
.hero__carousel:hover .hero__nav { opacity: 1; }

/* hero carousel controls */
.hero__nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, .9); border: 1px solid var(--line); color: var(--navy);
  font-size: 24px; line-height: 1; box-shadow: 0 6px 18px rgba(10, 36, 99, .16); cursor: pointer;
  opacity: 0; transition: opacity .2s, background .2s;
}
.hero__nav:hover { background: #fff; }
.hero__nav--prev { left: 22px; }
.hero__nav--next { right: 22px; }
.hero__dots { position: absolute; left: 0; right: 0; bottom: 18px; z-index: 3; display: flex; justify-content: center; gap: 8px; }
.hero__dots span { width: 9px; height: 9px; border-radius: 50%; background: rgba(255, 255, 255, .7); box-shadow: 0 1px 4px rgba(10, 36, 99, .35); transition: background .2s, width .2s; cursor: pointer; }
.hero__dots span.on { background: #fff; width: 24px; border-radius: 5px; }
@media (max-width: 720px) { .hero__nav { opacity: .9; } .hero__top { padding: 54px 0 30px; } }

/* ---------- section ---------- */
.sec { padding: 92px 0; }
.sec--soft { background: var(--soft); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.sec__head { max-width: 680px; margin-bottom: 52px; }
.sec__head.mid { margin-left: auto; margin-right: auto; text-align: center; }
.tag { font-size: 12.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--navy); font-weight: 500; }
h2 { font-size: clamp(27px, 3.2vw, 38px); line-height: 1.24; letter-spacing: -0.028em; font-weight: 600; margin: 14px 0 16px; }
.sec__head p { color: var(--body); font-size: 17px; }

/* ---------- advantages ---------- */
.adv { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.adv__i { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; transition: transform .24s, box-shadow .24s, border-color .24s; }
.adv__i:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #cfd8ea; }
.adv__ico { width: 46px; height: 46px; border-radius: 12px; background: var(--navy-050); display: grid; place-items: center; margin-bottom: 20px; }
.adv__ico svg { width: 22px; height: 22px; stroke: var(--navy); fill: none; stroke-width: 1.6; }
.adv__i h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; letter-spacing: -0.01em; }
.adv__i p { color: var(--body); font-size: 14.5px; }

/* ---------- products ---------- */
.pgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.pcard { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; transition: transform .24s, box-shadow .24s; display: flex; flex-direction: column; }
.pcard:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.pcard__viz { height: 190px; position: relative; background: linear-gradient(150deg, #e8edf6, #f6f8fb); }
.pcard__viz i { position: absolute; left: 14%; right: 14%; top: 50%; height: 12px; transform: translateY(-50%); border-radius: 8px; background: linear-gradient(90deg, #fff6dd, #ffd07a); box-shadow: 0 0 30px rgba(255, 205, 120, .8); }
.pcard__viz.cool i { background: linear-gradient(90deg, #eaf2ff, #a9c4f0); box-shadow: 0 0 30px rgba(140, 175, 235, .7); }
.pcard__viz.nat i { background: linear-gradient(90deg, #fff, #ffeccc); box-shadow: 0 0 30px rgba(255, 230, 190, .8); }
.pcard__body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.pcard__cat { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.pcard h3 { font-size: 18px; font-weight: 600; margin: 7px 0 4px; letter-spacing: -0.012em; }
.pcard__model { font-size: 13px; color: var(--navy); font-weight: 500; }
.pcard p { color: var(--body); font-size: 14.5px; margin-top: 10px; }
.pcard__more { margin-top: auto; padding-top: 16px; font-size: 14.5px; color: var(--navy); font-weight: 500; display: inline-flex; align-items: center; gap: 7px; }
.pcard__more::after { content: ""; width: 14px; height: 1.5px; background: var(--navy); transition: width .2s; }
.pcard:hover .pcard__more::after { width: 24px; }

/* ---------- applications ---------- */
.apps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.app { position: relative; border-radius: var(--radius); overflow: hidden; height: 260px; display: flex; align-items: flex-end; padding: 24px; background: linear-gradient(160deg, #dfe6f2, #eef2f8); background-size: cover; background-position: center; }
.app::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(13, 18, 32, 0) 30%, rgba(13, 18, 32, .82) 100%); }
.app > div { position: relative; z-index: 1; }
.app h3 { position: relative; font-size: 18px; font-weight: 600; color: #fff; }
.app span { position: relative; display: block; font-size: 14px; color: rgba(255, 255, 255, .82); margin-top: 3px; }

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.stat { text-align: center; padding: 12px; }
.stat b { display: block; font-size: clamp(34px, 4vw, 46px); font-weight: 600; letter-spacing: -0.03em; color: var(--navy); }
.stat span { font-size: 14px; color: var(--body); }

/* ---------- partners marquee ---------- */
.marquee { overflow: hidden; position: relative; padding: 8px 0; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee__row { display: flex; gap: 62px; width: max-content; animation: slide 34s linear infinite; }
.marquee span { font-size: 19px; font-weight: 600; color: #aeb5c2; letter-spacing: -0.01em; white-space: nowrap; }
@keyframes slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- news ---------- */
.ngrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.ncard { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; transition: transform .24s, box-shadow .24s; }
.ncard:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.ncard__viz { height: 168px; background: linear-gradient(150deg, #e6ebf4, #f4f6fa); position: relative; }
.ncard__viz::after { content: ""; position: absolute; left: 16%; right: 16%; top: 50%; height: 9px; transform: translateY(-50%); border-radius: 6px; background: linear-gradient(90deg, #eef3fb, #c3d3ee); }
.ncard__body { padding: 22px 24px 26px; }
.ncard__meta { font-size: 12.5px; color: var(--muted); display: flex; gap: 10px; align-items: center; }
.ncard__meta i { font-style: normal; background: var(--navy-050); color: var(--navy); border-radius: 999px; padding: 3px 11px; font-size: 12px; font-weight: 500; }
.ncard h3 { font-size: 17.5px; font-weight: 600; margin: 11px 0 8px; line-height: 1.42; letter-spacing: -0.012em; }
.ncard p { color: var(--body); font-size: 14.5px; }

/* ---------- CTA bar ---------- */
.cta { background: var(--navy); }
.cta__in { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 62px 0; flex-wrap: wrap; }
.cta h2 { color: #fff; margin: 0 0 8px; }
.cta p { color: rgba(255, 255, 255, .74); font-size: 16.5px; }
.cta .btn--ghost { background: transparent; border-color: rgba(255, 255, 255, .38); color: #fff; }
.cta .btn--ghost:hover { background: #fff; color: var(--navy); border-color: #fff; }

/* ---------- page head ---------- */
.phead { background: var(--soft); border-bottom: 1px solid var(--line-soft); padding: 60px 0 54px; }
.phead h1 { font-size: clamp(30px, 3.6vw, 42px); letter-spacing: -0.03em; font-weight: 600; }
.crumb { font-size: 13.5px; color: var(--muted); margin-bottom: 14px; }
.crumb a:hover { color: var(--navy); }
.phead p { color: var(--body); font-size: 17px; max-width: 620px; margin-top: 12px; }

/* ---------- filters ---------- */
.filters { display: flex; gap: 26px; align-items: flex-end; justify-content: space-between; padding: 34px 0 30px; flex-wrap: wrap; }
.cats { display: flex; gap: 9px; flex-wrap: wrap; }
.cats button { border: 1px solid var(--line); border-radius: 999px; padding: 8px 18px; font-size: 14.5px; color: var(--body); background: #fff; transition: all .2s; }
.cats button:hover { border-color: var(--navy); color: var(--navy); }
.cats button.on { background: var(--navy); border-color: var(--navy); color: #fff; }
.search { position: relative; min-width: 280px; }
.search input { width: 100%; border: 1px solid var(--line); border-radius: 999px; padding: 11px 20px; font-size: 15px; outline: none; transition: border-color .2s; }
.search input:focus { border-color: var(--navy); }
.empty { padding: 70px 0; text-align: center; color: var(--muted); font-size: 16px; }

/* ---------- product detail ---------- */
.pd { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; padding: 56px 0 20px; }
.pd__viz { aspect-ratio: 1/1; border-radius: var(--radius-lg); background: linear-gradient(150deg, #e8edf6, #f6f8fb); position: relative; overflow: hidden; box-shadow: var(--shadow-sm); }
.pd__viz i { position: absolute; left: 16%; right: 16%; top: 50%; height: 16px; transform: translateY(-50%); border-radius: 10px; background: linear-gradient(90deg, #fff5d6, #ffcf7d); box-shadow: 0 0 40px rgba(255, 200, 110, .85); }

/* product image carousel */
.pd__nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, .92); border: 1px solid var(--line); color: var(--navy);
  font-size: 24px; line-height: 1; box-shadow: 0 6px 18px rgba(10, 36, 99, .16);
  cursor: pointer; opacity: 0; transition: opacity .2s, background .2s;
}
.pd__viz:hover .pd__nav { opacity: 1; }
.pd__nav:hover { background: #fff; }
.pd__nav--prev { left: 14px; }
.pd__nav--next { right: 14px; }
.pd__dots { position: absolute; left: 0; right: 0; bottom: 14px; z-index: 3; display: flex; justify-content: center; gap: 7px; }
.pd__dots span { width: 8px; height: 8px; border-radius: 50%; background: rgba(255, 255, 255, .7); box-shadow: 0 1px 4px rgba(10, 36, 99, .35); transition: background .2s, width .2s; }
.pd__dots span.on { background: var(--navy); width: 22px; border-radius: 5px; }
@media (max-width: 720px) { .pd__nav { opacity: .9; } }

/* FAQ */
.faq { max-width: 760px; display: grid; gap: 12px; }
.faq__item { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; }
.faq__item summary { cursor: pointer; padding: 18px 22px; font-size: 16.5px; font-weight: 600; color: var(--ink); list-style: none; position: relative; padding-right: 46px; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 24px; font-weight: 400; color: var(--navy); transition: transform .2s; }
.faq__item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq__item > div { padding: 0 22px 20px; color: var(--body); font-size: 15.5px; line-height: 1.75; }
.pd__tag { font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--navy); font-weight: 500; }
.pd h1 { font-size: clamp(28px, 3vw, 38px); letter-spacing: -0.03em; font-weight: 600; margin: 12px 0 6px; }
.pd__model { color: #f09010; font-size: 24px; font-weight: 700; letter-spacing: -.01em; margin: 10px 0 4px; }
.pd__desc { color: var(--body); font-size: 16.5px; margin-top: 20px; }
.pd__keys { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 28px 0; }
.pd__keys div { background: var(--soft); border-radius: var(--radius); padding: 14px 18px; }
.pd__keys span { display: block; font-size: 12.5px; color: var(--muted); }
.pd__keys b { font-size: 16px; font-weight: 600; color: var(--navy); }
.pd__btns { display: flex; gap: 12px; flex-wrap: wrap; }

.spec { width: 100%; border-collapse: collapse; margin-top: 18px; }
.spec th, .spec td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line-soft); font-size: 15px; }
.spec th { width: 34%; color: var(--body); font-weight: 500; background: var(--soft); }
.spec tr:nth-child(even) td { background: #fbfcfe; }

/* ---------- about ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split--rev > figure { order: -1; }
.aboutshot { margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: 0 24px 60px rgba(10, 36, 99, .12); }
.aboutshot img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; display: block; }
.aboutshot figcaption, .aboutband figcaption {
  font-size: 13px; color: var(--body); padding: 12px 4px 0; letter-spacing: .02em;
}
.aboutband { margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: 0 24px 60px rgba(10, 36, 99, .12); }
.aboutband img { width: 100%; aspect-ratio: 21 / 9; object-fit: cover; display: block; }
.tl { border-left: 2px solid var(--line); padding-left: 26px; display: grid; gap: 26px; }
.tl div { position: relative; }
.tl div::before { content: ""; position: absolute; left: -33px; top: 7px; width: 12px; height: 12px; border-radius: 50%; background: var(--navy); box-shadow: 0 0 0 4px #fff; }
.tl b { display: block; font-size: 16px; color: var(--navy); font-weight: 600; }
.tl span { font-size: 14.5px; color: var(--body); }

.certs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cert { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; text-align: center; background: #fff; }
.cert b { display: block; font-size: 17px; font-weight: 600; color: var(--navy); }
.cert span { font-size: 13.5px; color: var(--muted); }

.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.value { border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; background: #fff; }
.value h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.value p { color: var(--body); font-size: 14.5px; }

/* ---------- contact ---------- */
.contact { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 48px; padding: 60px 0 92px; }
.cinfo { display: grid; gap: 16px; align-content: start; }
.cinfo__i { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; background: #fff; }
.cinfo__i span { display: block; font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.cinfo__i b { display: block; font-size: 16.5px; font-weight: 500; margin-top: 4px; }

.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow-sm); }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 7px; margin-bottom: 16px; }
.field label { font-size: 13.5px; color: var(--body); }
.field input, .field textarea, .field select {
  border: 1px solid var(--line); border-radius: 9px; padding: 12px 15px; font-size: 15px;
  color: var(--ink); outline: none; background: #fff; transition: border-color .2s;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--navy); }
.field textarea { min-height: 128px; resize: vertical; }
.form .btn { width: 100%; justify-content: center; margin-top: 8px; }
.fnote { font-size: 13px; color: var(--muted); text-align: center; margin-top: 14px; }

/* ---------- footer ---------- */
.foot { background: #0d1220; color: #fff; padding: 62px 0 26px; margin-top: 0; }
.foot__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; }
.foot .brand { color: #fff; }
.foot .brand img { height: 40px; }
.foot .brand em { color: rgba(255, 255, 255, .72); }
.foot p { color: rgba(255, 255, 255, .62); font-size: 14.5px; margin-top: 15px; max-width: 290px; }
.foot h4 { font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase; color: rgba(255, 255, 255, .5); margin-bottom: 15px; font-weight: 500; }
.foot ul { list-style: none; display: grid; gap: 10px; }
.foot li a { font-size: 14.5px; color: rgba(255, 255, 255, .78); transition: color .2s; }
.foot li a:hover { color: #fff; }
.foot__bot { margin-top: 44px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .12); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13.5px; color: rgba(255, 255, 255, .5); }

/* ---------- misc ---------- */
.socials { display: flex; gap: 10px; margin-top: 20px; }
.socials a { width: 34px; height: 34px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .2); display: grid; place-items: center; font-size: 12px; color: rgba(255, 255, 255, .8); }
.socials a:hover { background: rgba(255, 255, 255, .12); color: #fff; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1040px) {
  .hero__in { grid-template-columns: 1fr; gap: 42px; padding: 60px 0 64px; }
  .hero__shot { aspect-ratio: 16/10; }
  .adv, .apps, .stats { grid-template-columns: repeat(2, 1fr); }
  .pgrid, .ngrid { grid-template-columns: repeat(2, 1fr); }
  .pd, .split, .contact { grid-template-columns: 1fr; gap: 38px; }
  .split--rev > figure { order: 0; }
  .aboutband img { aspect-ratio: 16 / 10; }
  .certs { grid-template-columns: repeat(2, 1fr); }
  .values { grid-template-columns: 1fr; }
  .foot__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav {
    display: none; position: absolute; top: var(--head-h); left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; gap: 16px; padding: 22px 28px 26px;
  }
  .nav.open { display: flex; }
  .burger { display: flex; }
  .head__cta { display: none; }
  .adv, .apps, .stats, .pgrid, .ngrid { grid-template-columns: 1fr; }
  .certs { grid-template-columns: 1fr 1fr; }
  .frow { grid-template-columns: 1fr; }
  .sec { padding: 62px 0; }
  .wrap { padding: 0 20px; }
}