/* AERO CORE INDUSTRIES — v3. Dark industrial look of the company's previous site, rebuilt lean. */
:root {
  --bg: #0f1113;
  --bg-2: #13161a;
  --bg-3: #181b20;
  --card: #14171a;
  --line: #24282d;
  --line-2: #33383e;
  --text: #f1f0ec;
  --text-2: #c9cbcd;
  --muted: #8b9096;
  --dim: #80868c;
  --olive: #56653f;
  --olive-2: #6b7c4f;
  --olive-t: #a9b98a;
  --warn: #b0563f;
  --radius: 2px;
  --wrap: 1240px;
  --gutter: clamp(18px, 4vw, 48px);
  --f-head: "Inter", "Inter Fallback", "Segoe UI", system-ui, sans-serif;
  --f-body: "Inter", "Inter Fallback", "Segoe UI", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; background: var(--bg); color: var(--text-2); font: 400 16px/1.65 var(--f-body); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--f-head); font-weight: 600; line-height: 1.06; margin: 0; letter-spacing: -.035em; color: var(--text); }
p { margin: 0 0 1em; }
::selection { background: var(--olive); color: #fff; }
:focus-visible { outline: 2px solid var(--olive-t); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.eyebrow, .mono-s { font: 500 11px/1.5 var(--f-mono); letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.eyebrow { display: inline-block; }
.dim { color: var(--dim); }
.muted { color: var(--muted); }
.rule { display: block; width: 44px; height: 1px; background: var(--olive-2); margin: 26px 0; }
.center { text-align: center; margin-top: 40px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--text); color: var(--bg); padding: 8px 12px; }
.skip:focus { left: 8px; }
.skip:focus-visible { outline: 2px solid var(--bg); outline-offset: -4px; }
main:focus { outline: none; }

/* ---------- header ---------- */
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 50; transition: background .25s, border-color .25s; border-bottom: 1px solid transparent; }
.site-header.solid, .menu-open .site-header { background: rgba(15, 17, 19, .92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom-color: var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 28px; height: 78px; }
.brand { display: flex; align-items: center; text-decoration: none; color: var(--text); flex: 0 0 auto; }
.brand svg { height: 44px; width: auto; }
.nav { display: flex; gap: 4px; margin: 0 auto; align-items: center; }
.nav a {
  font: 500 11px/1 var(--f-mono); letter-spacing: .16em; text-transform: uppercase;
  text-decoration: none; color: var(--muted); padding: 10px 9px; position: relative; transition: color .15s;
}
.nav a:hover { color: var(--text); }
.nav a[aria-current="page"] { color: var(--text); }
.nav a[aria-current="page"]::after { content: ""; position: absolute; left: 9px; right: 9px; bottom: 2px; height: 1px; background: var(--olive-t); }
.head-right { display: flex; align-items: center; gap: 14px; }
.lang { display: flex; font: 500 11px/1 var(--f-mono); letter-spacing: .1em; border: 1px solid var(--line-2); }
.lang a, .lang span { padding: 8px 10px; text-decoration: none; color: var(--muted); }
.lang span { background: var(--olive); color: #fff; }
.lang a:hover { color: var(--text); }
.menu-btn { display: none; background: none; border: 1px solid var(--line-2); padding: 11px 12px; cursor: pointer; color: var(--text); }
.menu-btn svg { display: block; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  font: 500 12px/1 var(--f-mono); letter-spacing: .16em; text-transform: uppercase;
  padding: 17px 24px; border-radius: var(--radius); border: 1px solid transparent;
  text-decoration: none; cursor: pointer; transition: background .2s, color .2s, border-color .2s; white-space: nowrap;
}
.btn-primary { background: var(--olive); color: #f4f6ee; }
.btn-primary:hover { background: var(--olive-2); }
.btn-ghost { background: transparent; color: var(--text-2); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--muted); color: var(--text); }
.btn-sm { padding: 12px 16px; font-size: 11px; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .55; cursor: progress; }
.btn .arr { transition: transform .2s; font-family: var(--f-body); }
.btn:hover .arr { transform: translateX(3px); }

/* ---------- hero (home) ---------- */
.hero { position: relative; min-height: 100vh; display: flex; flex-direction: column; justify-content: flex-end; padding-top: 140px; overflow: hidden; isolation: isolate; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 55% 55%; z-index: -2; animation: heroZoom 18s ease-out both; }
@keyframes heroZoom { from { transform: scale(1.08); } to { transform: scale(1); } }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(15, 17, 19, .94) 0%, rgba(15, 17, 19, .78) 34%, rgba(15, 17, 19, .25) 70%, rgba(15, 17, 19, .1) 100%),
    linear-gradient(180deg, rgba(15, 17, 19, .55) 0%, rgba(15, 17, 19, 0) 25%, rgba(15, 17, 19, 0) 55%, var(--bg) 100%);
}
/* desktop: low-res workshop photo only as blurred atmosphere; the crisp product shot carries the hero */
@media (min-width: 961px) {
  .hero-bg { filter: blur(7px) brightness(.5) saturate(.7); transform: scale(1.12); animation: none; }
  .hero-inner, .hero .hero-stats { position: relative; z-index: 1; }
  .hero .lead { max-width: min(38em, 50vw); }
  .hero h1 { max-width: min(12ch, 56vw); }
  .hero-drone { position: absolute; z-index: 0; right: max(2vw, calc((100vw - var(--wrap)) / 2 - 40px)); top: 50%; width: min(41vw, 640px); height: auto; transform: translateY(-58%); filter: drop-shadow(0 40px 50px rgba(0, 0, 0, .75)); animation: droneIn 1.4s ease-out both; }
  .hero::before { content: ""; position: absolute; z-index: -1; right: 4vw; top: 12%; width: min(60vw, 900px); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(120, 132, 110, .22) 0%, rgba(15, 17, 19, 0) 62%); }
}
@keyframes droneIn { from { opacity: 0; transform: translate(40px, -58%); } to { opacity: 1; transform: translate(0, -58%); } }
.hero-inner { padding-bottom: 64px; }
.hero h1 { font-size: clamp(42px, 6.6vw, 92px); max-width: 12ch; margin-top: 22px; }
.hero .lead { font-size: clamp(16px, 1.45vw, 18px); color: var(--text-2); max-width: 38em; margin: 0 0 38px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-2); }
.hero-stats div { padding: 26px 0 34px; }
.hero-stats div + div { padding-left: 32px; border-left: 1px solid var(--line); }
.hero-stats b { display: block; font: 600 clamp(30px, 3.8vw, 50px)/1 var(--f-head); letter-spacing: -.03em; color: var(--text); }
.hero-stats span { display: block; margin-top: 12px; font: 500 10.5px/1.5 var(--f-mono); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }

/* ---------- strip ---------- */
.strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); padding: 18px 0; font: 500 11px/1.6 var(--f-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }

/* ---------- page head (inner pages) ---------- */
.page-head { padding: 170px 0 76px; border-bottom: 1px solid var(--line); background: radial-gradient(70% 120% at 85% 0%, #1a1e22 0%, var(--bg) 60%); }
.page-head h1 { font-size: clamp(40px, 5.6vw, 76px); max-width: 16ch; margin-top: 18px; }
.page-head .rule { margin: 30px 0 26px; }
.page-head p { color: var(--muted); max-width: 40em; font-size: 17px; margin: 0; }
.page-head.nf { min-height: 80vh; display: flex; align-items: center; }
.crumbs { font: 500 11px/1 var(--f-mono); letter-spacing: .1em; color: var(--dim); margin-bottom: 34px; }
.crumbs a { text-decoration: none; color: var(--muted); }
.crumbs a:hover { color: var(--text); }
.crumbs span { margin: 0 10px; }

/* ---------- sections ---------- */
section { padding: clamp(80px, 10vw, 140px) 0; }
section.tight { padding: clamp(56px, 7vw, 96px) 0; }
.alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-head { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 64px; align-items: end; margin-bottom: clamp(36px, 5vw, 60px); }
.sec-head h2 { font-size: clamp(32px, 4.2vw, 56px); margin-top: 14px; }
.sec-head p { margin: 0; color: var(--muted); max-width: 36em; }
.h-sm { font-size: 22px; margin: 0 0 22px; }
.h-md { font-size: clamp(28px, 3.2vw, 40px); margin: 14px 0 18px; }
.big-p { font-size: clamp(19px, 2vw, 24px); line-height: 1.55; color: var(--text-2); font-weight: 300; margin: 0; }
.split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: start; }
.note { font-size: 13px; color: var(--dim); margin: 22px 0 0; }

/* ---------- product cards (joined grid like the old catalogue) ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 0; margin-bottom: 28px; border: 1px solid var(--line); width: fit-content; max-width: 100%; }
.filters button { font: 500 11px/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; background: transparent; border: 0; border-right: 1px solid var(--line); color: var(--muted); padding: 13px 18px; cursor: pointer; }
.filters button:last-child { border-right: 0; }
.filters button:hover { color: var(--text); }
.filters button[aria-pressed="true"] { background: var(--olive); color: #fff; }
.pgrid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.pcard { position: relative; background: var(--card); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-direction: column; transition: background .25s; }
.pcard[hidden] { display: none; }
.pcard:hover { background: #181c20; }
.pcard-link { color: inherit; text-decoration: none; }
.pcard-link::after { content: ""; position: absolute; inset: 0; z-index: 2; }
.pcard-link:focus-visible { outline: none; }
.pcard:has(.pcard-link:focus-visible) { outline: 2px solid var(--olive-t); outline-offset: -2px; }
.pcard-head { display: flex; justify-content: space-between; gap: 16px; padding: 22px 22px 18px; border-bottom: 1px solid var(--line); }
.pcard-head h3 { font-size: 21px; margin: 6px 0 4px; }
.pcard-head .mono-s { font-size: 10px; letter-spacing: .14em; }
.frame { text-align: right; flex: 0 0 auto; }
.frame b { display: block; font: 300 26px/1 var(--f-head); color: var(--olive-t); margin-top: 6px; }
.pcard-img { position: relative; aspect-ratio: 16 / 10; display: grid; place-items: center; padding: 22px 28px; background: radial-gradient(52% 58% at 50% 55%, #454b52 0%, #23272c 55%, var(--card) 100%); border-bottom: 1px solid var(--line); overflow: hidden; }
.pcard.cta-card { grid-column: span 2; justify-content: space-between; padding: 30px 26px; background: linear-gradient(160deg, #1a1f17 0%, var(--card) 70%); }
.cta-card h3 { font-size: 28px; margin: 18px 0 14px; max-width: 12ch; }
.cta-card p { color: var(--muted); font-size: 14.5px; }
.cta-card .btn { position: relative; z-index: 3; align-self: flex-start; margin-top: 18px; }
.pcard-img img { position: absolute; top: 15%; left: 9%; width: 82%; height: 74%; object-fit: contain; filter: drop-shadow(0 18px 18px rgba(0, 0, 0, .65)); transition: transform .5s ease; }
.pcard:hover .pcard-img img { transform: scale(1.05); }
.badge { display: inline-block; font: 500 10.5px/1 var(--f-mono); letter-spacing: .16em; text-transform: uppercase; padding: 6px 8px; border: 1px solid var(--line-2); color: var(--muted); background: rgba(15, 17, 19, .9); }
.pcard-img .badge, .ph-img .badge { position: absolute; top: 14px; left: 14px; z-index: 1; }
.badge.new { border-color: var(--olive-2); color: var(--olive-t); }
.badge.warn { border-color: var(--warn); color: #e5a493; }
.pcard-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.pcard-body p { font-size: 14px; color: var(--muted); }
.mini { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; margin: 4px 0 20px; }
.mini dt { font: 500 9.5px/1.3 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--dim); }
.mini dd { margin: 5px 0 0; font: 600 15px/1.2 var(--f-head); color: var(--text); }
.mini.big { grid-template-columns: repeat(4, 1fr); padding: 22px 0; margin: 30px 0 34px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.mini.big dd { font-size: 20px; }
.more { margin-top: auto; font: 500 11px/1 var(--f-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--dim); transition: color .2s; }
.pcard:hover .more { color: var(--olive-t); }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); }
.table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.table th { text-align: left; font: 500 10px/1.3 var(--f-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--dim); padding: 16px 18px; border-bottom: 1px solid var(--line-2); background: var(--bg-2); }
.table td { padding: 16px 18px; border-bottom: 1px solid var(--line); }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: var(--bg-3); }
.table td.num { font-weight: 600; color: var(--text); white-space: nowrap; }
.table a { font-weight: 600; color: var(--text); text-decoration: none; }
.table a:hover { color: var(--olive-t); }
.h-sm + .table-wrap, .note + .h-sm { margin-top: 0; }
.note + .h-sm { margin-top: 64px; }

/* ---------- cells (joined info grid) ---------- */
.cells { display: grid; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.cells-2 { grid-template-columns: repeat(2, 1fr); }
.cells-3 { grid-template-columns: repeat(3, 1fr); }
.cells-4 { grid-template-columns: repeat(4, 1fr); }
.cell { background: var(--card); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 30px 26px 32px; }
.alt .cell { background: var(--bg); }
.cell .num { font: 500 11px/1 var(--f-mono); letter-spacing: .14em; color: var(--olive-t); }
.cell h3 { font-size: 20px; letter-spacing: -.02em; margin: 18px 0 10px; }
.cell .eyebrow + h3 { font-size: clamp(26px, 3vw, 36px); }
.cell p { font-size: 14.5px; color: var(--muted); margin: 0; }
.terms .cell h3 { margin-top: 0; }
.terms dl { margin: 14px 0 0; }
.terms dl div { padding: 11px 0; border-top: 1px solid var(--line); font-size: 14px; }
.terms dt { font-size: 12.5px; color: var(--dim); }
.terms dd { margin: 3px 0 0; color: var(--text); font-weight: 500; }

.platforms { margin-top: 48px; }
.plat-row { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); margin-top: 14px; }
.plat-row div { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 24px 16px; text-align: center; font: 600 16px/1.3 var(--f-head); color: var(--text); letter-spacing: -.01em; }
.plat-row small { display: block; margin-top: 7px; font: 500 9.5px/1.3 var(--f-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--dim); }

.stats-col div { padding: 22px 0; border-top: 1px solid var(--line); }
.stats-col b { display: block; font: 600 46px/1 var(--f-head); letter-spacing: -.03em; color: var(--text); }
.stats-col span { display: block; margin-top: 10px; font: 500 10.5px/1.4 var(--f-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }

/* steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.steps li { display: flex; gap: 18px; padding: 30px 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--card); }
.steps .num { font: 500 11px/1.8 var(--f-mono); color: var(--olive-t); letter-spacing: .14em; }
.steps h3 { font-size: 19px; margin: 0 0 8px; }
.steps p { font-size: 14.5px; color: var(--muted); margin: 0; }
.steps-2 { grid-template-columns: repeat(2, 1fr); }
.alt .steps li { background: var(--bg); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.chips a { font: 500 10.5px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; text-decoration: none; color: var(--olive-t); border: 1px solid var(--olive); padding: 7px 9px; transition: background .15s, color .15s; }
.chips a:hover { background: var(--olive); color: #fff; }
.check { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.check li { padding: 18px 0 18px 30px; border-bottom: 1px solid var(--line); position: relative; color: var(--text); }
.check li::before { content: ""; position: absolute; left: 2px; top: 28px; width: 14px; height: 1px; background: var(--olive-t); }

/* ---------- product page ---------- */
.product-hero { padding: 150px 0 80px; background: radial-gradient(60% 90% at 75% 40%, #1d2226 0%, var(--bg) 65%); border-bottom: 1px solid var(--line); }
.ph-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.product-hero h1 { font-size: clamp(46px, 6vw, 88px); margin-top: 16px; }
.product-hero .lead { color: var(--text-2); font-size: 16.5px; margin: 0; }
.ph-img { position: relative; aspect-ratio: 1 / .82; display: grid; place-items: center; padding: 30px; background: radial-gradient(52% 52% at 50% 52%, #4a5158 0%, #22262b 58%, transparent 100%); }
.ph-img img { position: absolute; inset: 12% 8% 10%; width: 84%; height: 78%; object-fit: contain; filter: drop-shadow(0 30px 30px rgba(0, 0, 0, .7)); }
.spec-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.spec-cols dl { margin: 0; border-top: 1px solid var(--line-2); }
.spec-cols dl div { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.spec-cols dt { color: var(--muted); }
.spec-cols dd { margin: 0; color: var(--text); font-weight: 600; text-align: right; }

/* ---------- systems ---------- */
.kits { display: grid; gap: 24px; }
.kit { display: grid; grid-template-columns: 1fr 1.1fr; border: 1px solid var(--line); background: var(--card); }
.kit-img { display: grid; place-items: center; padding: 40px; min-height: 380px; background: radial-gradient(58% 58% at 50% 50%, #454b52 0%, #202429 62%, var(--card) 100%); border-right: 1px solid var(--line); }
.kit-img { position: relative; }
.kit-img img { position: absolute; inset: 10% 7%; width: 86%; height: 80%; object-fit: contain; filter: drop-shadow(0 22px 22px rgba(0, 0, 0, .6)); }
.soon { font: 500 clamp(16px, 2vw, 22px)/1 var(--f-mono); letter-spacing: .4em; color: var(--olive-t); text-align: center; border: 1px solid var(--line-2); padding: 32px 28px; }
.soon small { display: block; margin-top: 14px; font-size: 10.5px; letter-spacing: .2em; color: var(--muted); }
.kit-body { padding: clamp(28px, 4vw, 48px); }
.kit-body h2 { font-size: clamp(28px, 3.2vw, 40px); margin: 18px 0 14px; }
.kit-body > p { color: var(--muted); }
.kit-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin: 28px 0 30px; }
.kv-list { list-style: none; padding: 0; margin: 12px 0 0; border-top: 1px solid var(--line); }
.kv-list li { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 13.5px; color: var(--muted); }
.kv-list b { color: var(--text); font-weight: 500; text-align: right; }

/* ---------- faq ---------- */
.faq { border-top: 1px solid var(--line-2); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 24px 48px 24px 0; position: relative; font: 600 clamp(17px, 1.7vw, 20px)/1.35 var(--f-head); letter-spacing: -.02em; color: var(--text); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 20px; font: 300 26px/1 var(--f-body); color: var(--olive-t); }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0 0 24px; max-width: 60em; color: var(--muted); }

/* ---------- CTA band ---------- */
.cta-band { padding: clamp(64px, 8vw, 110px) 0; background: linear-gradient(120deg, #161a14 0%, var(--bg) 60%); border-top: 1px solid var(--line); }
.cta-inner { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; flex-wrap: wrap; }
.cta-inner h2 { font-size: clamp(30px, 3.8vw, 50px); margin: 14px 0 12px; max-width: 18ch; }
.cta-inner p { color: var(--muted); margin: 0; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- contact / forms ---------- */
.contact-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 64px; align-items: start; }
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { padding: 24px 0; border-top: 1px solid var(--line); }
.contact-list .eyebrow { display: block; margin-bottom: 10px; }
.contact-list a, .contact-list b { font: 600 22px/1.3 var(--f-head); letter-spacing: -.02em; text-decoration: none; color: var(--text); }
.contact-list a:hover { color: var(--olive-t); }
.form { background: var(--card); border: 1px solid var(--line); padding: clamp(24px, 3.4vw, 40px); position: relative; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.field label { font: 500 10px/1.3 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.field input, .field select, .field textarea { font: 400 16px/1.4 var(--f-body); color: var(--text); background: var(--bg); border: 1px solid var(--line-2); border-radius: var(--radius); padding: 13px 14px; width: 100%; transition: border-color .15s; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 20px) 52%, calc(100% - 15px) 52%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 36px; }
.field textarea { min-height: 130px; resize: vertical; }
.field input, .field select, .field textarea { border-color: #6b7076; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--olive-t); outline-offset: 2px; border-color: var(--olive-t); }
.field [aria-invalid="true"] { border-color: #d0806c; }
.field-err { font-size: 13px; color: #f0b3a3; margin-top: -2px; }
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 8px; }
.form-foot small { color: var(--dim); font-size: 12.5px; flex: 1; min-width: 200px; }
.form-msg { margin-top: 16px; padding: 14px 16px; font-size: 14.5px; }
.form-msg:empty { display: none; }
.form-msg:not(.ok):not(.err) { padding: 0; color: var(--muted); }
.form-msg.ok { display: block; background: rgba(86, 101, 63, .18); border: 1px solid var(--olive-2); color: var(--text); }
.form-msg.err { display: block; background: rgba(176, 86, 63, .14); border: 1px solid var(--warn); color: var(--text); }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 72px 0 30px; color: var(--muted); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1.6fr 1.1fr; gap: 40px; }
.site-footer .brand svg { height: 50px; }
.site-footer p { font-size: 14px; margin-top: 20px; max-width: 28em; }
.site-footer .foot-h { font: 500 10px/1 var(--f-mono); letter-spacing: .2em; text-transform: uppercase; color: var(--dim); margin: 8px 0 18px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 10px 0; font-size: 14px; }
.site-footer a { text-decoration: none; color: var(--text-2); display: inline-block; padding-block: 4px; }
.foot-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; align-content: start; }
.foot-nav .foot-h { grid-column: 1 / -1; }
.site-footer a:hover { color: var(--text); }
.foot-bar { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 56px; padding-top: 22px; border-top: 1px solid var(--line); font: 500 10.5px/1.5 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--dim); }

/* ---------- KP vault ---------- */
.vault { min-height: 100vh; display: grid; place-items: center; padding: 120px 0 48px; background: radial-gradient(60% 60% at 50% 30%, #1b1f23 0%, var(--bg) 70%); }
.vault .form { max-width: 560px; width: 100%; margin: 0 auto; }
.vault h1 { font-size: clamp(28px, 4vw, 40px); margin: 14px 0 10px; }
.vault .lead { color: var(--muted); margin-bottom: 26px; }
.dl-box { display: none; margin-top: 20px; padding: 22px; background: var(--bg); border: 1px solid var(--olive-2); }
.dl-box.on { display: block; }
.dl-box .btn { width: 100%; margin-top: 14px; }
.timer { font: 600 34px/1 var(--f-head); color: var(--olive-t); margin-top: 8px; }

/* ---------- reveal ---------- */
.js .rv { opacity: 0; transform: translateY(16px); transition: opacity .8s ease, transform .8s ease; }
.js .rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .rv { opacity: 1; transform: none; } .hero-drone, .hero-bg { animation: none !important; } }
@media print { .js .rv { opacity: 1 !important; transform: none !important; } .site-header, .menu-btn { display: none; } }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .nav a { padding: 10px 6px; letter-spacing: .12em; }
  .head-cta { display: none; }
}
@media (max-width: 1080px) {
  .pgrid, .steps, .cells-3 { grid-template-columns: repeat(2, 1fr); }
  .cells-4 { grid-template-columns: repeat(2, 1fr); }
  .kit { grid-template-columns: 1fr; }
  .kit-img { border-right: 0; border-bottom: 1px solid var(--line); min-height: 280px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-grid > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 960px) {
  /* touch targets >= 44px */
  .menu-btn { display: grid; place-items: center; width: 46px; height: 46px; padding: 0; }
  .lang a, .lang span { min-height: 44px; min-width: 44px; display: grid; place-items: center; padding: 0 10px; }
  .filters button, .btn-sm { min-height: 44px; }
  .chips a { min-height: 40px; display: inline-flex; align-items: center; padding: 0 12px; }
  .nav a { min-height: 48px; display: flex; align-items: center; }
  .menu-btn { display: grid; }
  .head-right { margin-left: auto; }
  .nav { display: none; position: absolute; top: 78px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: rgba(15, 17, 19, .98); border-bottom: 1px solid var(--line); padding: 8px var(--gutter) 22px; margin: 0; }
  .nav.open { display: flex; }
  .nav a { padding: 17px 2px; border-bottom: 1px solid var(--line); font-size: 12px; color: var(--text-2); }
  .nav a[aria-current="page"]::after { display: none; }
  .sec-head, .split, .contact-grid, .ph-grid, .spec-cols { grid-template-columns: 1fr; gap: 28px; }
  /* phone/tablet: photo as a wide band on top, text below on solid background (no blurry tall crop) */
  .hero { min-height: 0; padding-top: calc(78px + min(56vw, 480px) + 12px); }
  .hero-bg { top: 78px; height: min(56vw, 480px); bottom: auto; object-position: 50% 60%; animation: none; filter: blur(5px) brightness(.45) saturate(.7); transform: scale(1.1); }
  .hero-drone { position: absolute; z-index: 0; top: calc(78px + min(4vw, 30px)); left: 50%; width: min(84vw, 560px); height: calc(min(56vw, 480px) - min(8vw, 60px)); object-fit: contain; transform: translateX(-50%); filter: drop-shadow(0 22px 26px rgba(0, 0, 0, .75)); }
  .hero-inner, .hero .hero-stats { position: relative; z-index: 1; }
  .hero::after { background: linear-gradient(180deg, rgba(15, 17, 19, .25) 0, rgba(15, 17, 19, .1) 78px, rgba(15, 17, 19, 0) calc(78px + min(40vw, 340px)), var(--bg) calc(78px + min(56vw, 480px)), var(--bg) 100%); }
  .hero h1 { font-size: clamp(34px, 8.6vw, 56px); }
  .plat-row { grid-template-columns: repeat(2, 1fr); }
  .mini.big { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .pgrid, .steps, .cells-2, .cells-3, .cells-4, .form .row, .kit-cols { grid-template-columns: 1fr; }
  .pcard.cta-card { grid-column: auto; }
  .brand svg { height: 38px; }
  .head-right { gap: 8px; }
  .hero-stats div + div { padding-left: 14px; }
  .hero-stats span { font-size: 9.5px; letter-spacing: .1em; }
  .foot-grid { grid-template-columns: 1fr; }
  .page-head { padding: 130px 0 56px; }
  .product-hero { padding-top: 120px; }
  .filters { width: 100%; }
  .filters button { flex: 1 1 auto; padding: 12px 10px; }
  .table thead { display: none; }
  .table, .table tbody, .table tr, .table td { display: block; width: 100%; }
  .table tr { padding: 14px 16px; border-bottom: 1px solid var(--line); }
  .table td { border: 0; padding: 3px 0; }
  .table td[data-l]::before { content: attr(data-l) ": "; font: 500 10px/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }
}

/* ---------- owner admin ---------- */
.adm { padding: 112px 0 64px; min-height: 100vh; }
.adm-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.adm-out { padding: 10px 16px; min-height: 44px; }
.adm-auth { max-width: 460px; margin: 0 auto; }
.adm-auth h1 { font-size: clamp(26px, 4vw, 36px); margin: 12px 0 18px; }
.adm-muted { color: var(--muted); font-size: 14px; }
.adm-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-bottom: 20px; }
.adm-stat { background: var(--card); padding: 18px; display: flex; flex-direction: column; gap: 4px; }
.adm-stat b { font: 600 30px/1 var(--f-head); color: var(--text); }
.adm-stat span { font-size: 13px; color: var(--muted); }
.adm-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.adm-tabs button { font: 500 12px/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--text-2); background: transparent; border: 1px solid var(--line-2); padding: 14px 16px; min-height: 44px; cursor: pointer; }
.adm-tabs button[aria-pressed="true"] { background: var(--olive); border-color: var(--olive); color: #f4f6ee; }
.adm-tabs button:focus-visible { outline: 2px solid var(--olive-t); outline-offset: 2px; }
.adm-h { font-size: 20px; margin: 8px 0 12px; }
.adm-list { display: grid; gap: 10px; }
.adm-item, .adm-card { background: var(--card); border: 1px solid var(--line); padding: 16px 18px; margin-bottom: 10px; }
.adm-item-top { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.adm-item-top time { color: var(--muted); font: 400 13px/1.4 var(--f-mono); }
.adm-item dl { display: grid; grid-template-columns: 110px 1fr; gap: 4px 12px; margin: 0; font-size: 14.5px; }
.adm-item dt { color: var(--muted); }
.adm-item dd { margin: 0; overflow-wrap: anywhere; }
.adm-item a, .adm-url a { color: var(--olive-t); }
.adm-msg { margin: 10px 0 0; padding-top: 10px; border-top: 1px solid var(--line); white-space: pre-wrap; overflow-wrap: anywhere; font-size: 14.5px; }
.adm-ev-downloaded { border-left: 3px solid var(--olive-t); }
.adm-ev-download_aborted { border-left: 3px solid var(--warn); }
.adm-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.adm-url { font: 400 15px/1.5 var(--f-mono); overflow-wrap: anywhere; margin: 0 0 8px; }
.adm-file { cursor: pointer; }
.adm-file:focus-within { outline: 2px solid var(--olive-t); outline-offset: 2px; }
.btn-danger { background: transparent; color: #e5a493; border-color: var(--warn); }
.btn-danger:hover { background: rgba(176, 86, 63, .14); }
@media (max-width: 600px) {
  .adm-stats { grid-template-columns: 1fr; }
  .adm-item dl { grid-template-columns: 1fr; gap: 0; }
  .adm-item dt { margin-top: 6px; font-size: 12.5px; }
  .adm-tabs button { flex: 1 1 calc(50% - 8px); }
}