/* Pleninger — prototyp. Barvy a písma jsou v :root, zlom na mobil 860 px. */
:root {
  --ink: #131816;
  --ink-2: #1d2521;
  --paper: #eef0eb;
  --paper-2: #e2e6de;
  --green: #64bd35;      /* zelená ze stávajícího loga a vozů */
  --green-d: #2c6e12;    /* zelená pro text na světlém podkladu */
  --mute: #5a655f;
  --mute-inv: #9aa59e;
  --line: rgba(19, 24, 22, .18);
  --line-inv: rgba(238, 240, 235, .2);
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Barlow", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --gutter: clamp(16px, 4vw, 56px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.55 var(--body);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--green); outline-offset: 3px; }

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 700;
  text-transform: uppercase;
  line-height: .95;
  letter-spacing: -.005em;
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: clamp(56px, 10.5vw, 148px); }
h2 { font-size: clamp(40px, 6vw, 80px); }
h3 { font-size: 30px; line-height: 1; }
p { margin: 0; max-width: 58ch; }

.label {
  font: 500 12px/1.3 var(--mono);
  letter-spacing: .09em;
  text-transform: uppercase;
}
.wrap { padding-inline: var(--gutter); max-width: 1480px; margin-inline: auto; }

/* ---------- značka: původní logo klienta, nemění se ---------- */
.brand { display: inline-flex; flex: none; }
.brand img { height: 44px; width: auto; }
.brand .logo-hub { height: 26px; }

/* ---------- tlačítka ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 22px;
  background: var(--green); color: var(--ink);
  font: 600 14px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase;
  text-decoration: none; border: 0; cursor: pointer;
  transition: background .15s, transform .15s;
}
.btn:hover { background: #7ad04a; }
.btn:active { transform: translateY(1px); }
.btn--ghost { background: none; color: inherit; box-shadow: inset 0 0 0 1px currentColor; }
.btn--ghost:hover { background: rgba(255, 255, 255, .1); }

/* ---------- hlavička ---------- */
.head {
  position: sticky; top: 0; z-index: 20;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.head .wrap { display: flex; align-items: center; gap: 24px; min-height: 68px; }
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { font: 500 13px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; text-decoration: none; padding: 8px 0; border-bottom: 2px solid transparent; }
.nav a:hover { border-color: var(--green); }
.head .btn { padding: 12px 16px; font-size: 13px; }

/* ---------- úvod ---------- */
.hero { position: relative; background: var(--ink); color: var(--paper); isolation: isolate; overflow: hidden; }
.hero__img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.1); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(19, 24, 22, .96) 0%, rgba(19, 24, 22, .82) 45%, rgba(19, 24, 22, .35) 100%); }
.hero .wrap { padding-block: clamp(56px, 10vh, 120px) 0; }
.hero .label { color: var(--green); }
.hero h1 { margin-top: 20px; }
.hero h1 em { font-style: normal; color: var(--green); }
.hero p { margin-top: 28px; font-size: 20px; color: #d5dad3; max-width: 46ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

/* rohové razítko výkresu */
.stamp { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: clamp(48px, 9vh, 104px); border-top: 1px solid var(--line-inv); }
.stamp > div { padding: 18px 20px 22px 0; }
.stamp > div + div { padding-left: 20px; border-left: 1px solid var(--line-inv); }
.stamp dt { color: var(--mute-inv); }
.stamp dd { margin: 8px 0 0; font: 600 24px/1.1 var(--display); letter-spacing: .02em; text-transform: uppercase; }
.stamp a { text-decoration: none; }
.stamp a:hover { color: var(--green); }

/* ---------- sekce ---------- */
.sec { padding-block: clamp(64px, 10vw, 128px); }
.sec--dark { background: var(--ink); color: var(--paper); }
.sec--alt { background: var(--paper-2); }
.sec__head { display: grid; grid-template-columns: 170px 1fr; align-items: start; gap: 24px; margin-bottom: clamp(36px, 5vw, 64px); }
.sec__head .label { padding-top: 12px; color: var(--mute); }
.sec--dark .sec__head .label { color: var(--mute-inv); }
.sec__head p { margin-top: 20px; font-size: 19px; color: var(--mute); }
.sec--dark .sec__head p { color: #c3cac3; }

/* kótovací čára: výroba — doprava — montáž */
.dim { display: grid; grid-template-columns: repeat(3, 1fr); }
.dim > div { position: relative; padding: 34px 28px 0 0; border-top: 1px solid var(--ink); }
.dim > div + div { padding-left: 28px; }
.dim > div::before, .dim > div:last-child::after {
  content: ""; position: absolute; top: -9px; left: 0; width: 1px; height: 17px; background: var(--ink); transform: rotate(35deg);
}
.dim > div:last-child::after { left: auto; right: 0; }
.dim .label { position: absolute; top: -9px; left: 50%; transform: translateX(-50%); background: var(--paper); padding: 2px 12px; color: var(--green-d); white-space: nowrap; }
.dim p { margin-top: 14px; color: var(--mute); }

/* ---------- reference ---------- */
.refs { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(28px, 4vw, 64px); align-items: start; }
.refs figure { margin: 0; position: sticky; top: 96px; }
.refs figure img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.refs figcaption { margin-top: 12px; color: var(--mute-inv); }
.bom { width: 100%; border-collapse: collapse; }
.bom caption { text-align: left; padding: 0 0 14px; color: var(--green); }
.bom tbody + tbody::before { content: ""; display: block; height: 44px; }
.bom th, .bom td { text-align: left; padding: 15px 12px 15px 0; border-top: 1px solid var(--line-inv); vertical-align: baseline; }
.bom tr:last-child > * { border-bottom: 1px solid var(--line-inv); }
.bom thead th { font: 500 12px/1.3 var(--mono); letter-spacing: .09em; text-transform: uppercase; color: var(--mute-inv); border-top: 0; padding-top: 0; }
.bom td:first-child { font: 500 13px/1 var(--mono); color: var(--mute-inv); width: 56px; }
.bom td:nth-child(2) { font: 600 26px/1.05 var(--display); letter-spacing: .01em; text-transform: uppercase; }
.bom td:nth-child(2) small { display: block; margin-top: 6px; font: 400 15px/1.3 var(--body); text-transform: none; letter-spacing: 0; color: var(--mute-inv); }
.bom td:nth-child(3) { color: #c3cac3; }
.bom td:last-child { font: 500 13px/1 var(--mono); text-align: right; padding-right: 0; color: var(--green); }
.bom tbody tr:hover td:nth-child(2) { color: var(--green); }

.partners { display: flex; flex-wrap: wrap; gap: 0; margin-top: clamp(48px, 6vw, 80px); border-top: 1px solid var(--line-inv); }
.partners .label { flex: 0 0 100%; padding: 18px 0 6px; color: var(--mute-inv); }
.partners a, .partners span { flex: 1 1 200px; padding: 18px 20px 18px 0; font: 600 28px/1 var(--display); text-transform: uppercase; letter-spacing: .03em; text-decoration: none; }
.partners a:hover { color: var(--green); }

/* ---------- fotogalerie ---------- */
.gal { display: grid; grid-template-columns: repeat(12, 1fr); gap: 10px; }
.gal a { position: relative; display: block; overflow: hidden; background: var(--paper-2); grid-column: span 4; aspect-ratio: 4 / 3; }
.gal a:nth-child(1), .gal a:nth-child(6) { grid-column: span 8; aspect-ratio: auto; }
.gal img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.gal a:hover img { transform: scale(1.03); }
.gal .label { position: absolute; left: 0; bottom: 0; background: var(--paper); padding: 6px 10px; }

/* ---------- poptávka ---------- */
.rfq { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(28px, 5vw, 80px); align-items: start; }
.rfq__lead p { margin-top: 22px; font-size: 19px; }
.rfq__lead ol { margin: 32px 0 0; padding: 0; list-style: none; counter-reset: s; border-top: 1px solid var(--line); }
.rfq__lead li { counter-increment: s; display: grid; grid-template-columns: 48px 1fr; padding: 14px 0; border-bottom: 1px solid var(--line); }
.rfq__lead li::before { content: "0" counter(s); font: 500 13px/1.9 var(--mono); color: var(--green-d); }
.rfq__direct { margin-top: 32px; display: grid; gap: 6px; }
.rfq__direct a { font: 700 34px/1.05 var(--display); text-decoration: none; }
.rfq__direct a + a { font-size: 22px; font-weight: 600; text-transform: none; overflow-wrap: anywhere; }
.rfq__direct a:hover { color: var(--green-d); }

.form { background: var(--paper); padding: clamp(22px, 3vw, 40px); display: grid; grid-template-columns: 1fr 1fr; gap: 18px; border-top: 4px solid var(--green); }
.form label { display: grid; gap: 7px; font: 500 12px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--mute); }
.form .full { grid-column: 1 / -1; }
.form input, .form textarea {
  font: 400 17px/1.4 var(--body); color: var(--ink);
  padding: 13px 14px; background: #fff; border: 1px solid var(--line); border-radius: 0; width: 100%;
}
.form input:focus, .form textarea:focus { outline: 2px solid var(--green); outline-offset: 0; border-color: var(--green); }
.form textarea { min-height: 150px; resize: vertical; }
.form input[type=file] { padding: 11px 14px; font-size: 15px; background: none; border-style: dashed; }
.form__foot { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; }
.form__foot small { color: var(--mute); font-size: 14px; max-width: 40ch; }
.form__ok { grid-column: 1 / -1; padding: 14px 16px; background: var(--green); font-weight: 500; }

/* ---------- práce u nás ---------- */
.jobs { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 32px; }
.jobs p { margin-top: 20px; font-size: 19px; color: #c3cac3; }

/* ---------- patička ---------- */
.foot { background: var(--ink-2); color: var(--paper); padding-block: clamp(48px, 6vw, 80px) 28px; }
.foot__grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 32px; }
.foot__name { font: 700 30px/1 var(--display); text-transform: uppercase; letter-spacing: .03em; }
.foot__sub { margin-top: 8px; color: var(--mute-inv); }
.foot h3 { font: 500 12px/1.3 var(--mono); letter-spacing: .09em; color: var(--mute-inv); margin-bottom: 14px; }
.foot address, .foot ul { font-style: normal; margin: 0; padding: 0; list-style: none; line-height: 1.75; }
.foot a { text-decoration: none; overflow-wrap: anywhere; }
.foot a:hover { color: var(--green); }
.foot__bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line-inv); color: var(--mute-inv); }

/* ---------- rozcestník ---------- */
.hub { background: var(--ink); color: var(--paper); min-height: 100svh; display: flex; flex-direction: column; }
.hub__head { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px var(--gutter); background: var(--paper); color: var(--ink); }
.hub__head p { color: var(--mute); text-align: right; }
.hub__panels { flex: 1; display: flex; gap: 2px; min-height: 520px; }
.panel {
  position: relative; flex: 1; isolation: isolate; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: clamp(24px, 4vw, 56px); text-decoration: none;
  transition: flex-grow .45s cubic-bezier(.2, .7, .2, 1);
}
.panel:hover, .panel:focus-visible { flex-grow: 1.35; }
.panel img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.05); transition: filter .45s, transform .8s; }
.panel::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(19, 24, 22, .35) 0%, rgba(19, 24, 22, .93) 82%); transition: opacity .45s; }
.panel:hover img, .panel:focus-visible img { filter: none; transform: scale(1.03); }
.panel .label { color: var(--green); }
.panel h2 { margin-top: 14px; font-size: clamp(44px, 6.4vw, 104px); }
.panel p { margin-top: 16px; font-size: 19px; color: #d5dad3; max-width: 34ch; }
.panel__go { display: flex; align-items: center; justify-content: space-between; margin-top: 30px; padding-top: 18px; border-top: 1px solid var(--line-inv); font: 600 14px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.panel__go i { font-style: normal; width: 44px; height: 44px; display: grid; place-items: center; background: var(--green); color: var(--ink); font-size: 20px; transition: transform .25s; }
.panel:hover .panel__go i { transform: translateX(6px); }
.hub__foot { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.hub__foot > div { padding: 20px clamp(24px, 4vw, 56px) 24px; display: flex; flex-wrap: wrap; gap: 6px 28px; align-items: baseline; }
.hub__foot .label { flex: 0 0 100%; color: var(--mute-inv); }
.hub__foot a { text-decoration: none; overflow-wrap: anywhere; }
.hub__foot a:hover { color: var(--green); }

/* ---------- mobil ---------- */
@media (max-width: 860px) {
  .nav { display: none; }
  .head .btn { margin-left: auto; padding: 11px 12px; font-size: 12px; }
  .head .wrap { gap: 12px; }
  .brand img { height: 34px; }
  .brand .logo-hub { height: 22px; }
  .hero::before { background: rgba(19, 24, 22, .86); }
  .stamp { grid-template-columns: 1fr 1fr; }
  .stamp > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .stamp > div:nth-child(n+3) { border-top: 1px solid var(--line-inv); }
  .sec__head { grid-template-columns: 1fr; gap: 6px; }
  .sec__head .label { padding-top: 0; }
  .dim { grid-template-columns: 1fr; gap: 44px; }
  .dim > div, .dim > div + div { padding: 30px 0 0; }
  .dim > div::after { content: ""; position: absolute; top: -9px; right: 0; width: 1px; height: 17px; background: var(--ink); transform: rotate(35deg); }
  .refs, .rfq, .jobs { grid-template-columns: 1fr; }
  .refs figure { position: static; }
  .refs figure img { aspect-ratio: 4 / 3; }
  .bom thead { display: none; }
  .bom td:nth-child(3) { display: none; }
  .bom td:first-child { width: 40px; }
  .bom td:nth-child(2) { font-size: 23px; }
  .gal a, .gal a:nth-child(1), .gal a:nth-child(6) { grid-column: span 6; aspect-ratio: 4 / 3; }
  .form { grid-template-columns: 1fr; }
  .foot__grid { grid-template-columns: 1fr 1fr; }
  .foot__grid > :first-child { grid-column: 1 / -1; }
  .hub__head p { display: none; }
  .hub__panels { flex-direction: column; }
  .panel { min-height: 46svh; }
  .panel:hover { flex-grow: 1; }
  .panel img { filter: none; }
  .hub__foot { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .foot__grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* menu a tlačítka se nelámou; pod 1100 px menu mizí dřív než zbytek mobilního rozložení */
.nav a, .btn { white-space: nowrap; }
@media (max-width: 1100px) {
  .nav { display: none; }
  .head .btn { margin-left: auto; }
}