/* Kairos systems – štýly */

/* Písmo pre popisky: Albertus Medium (fonts/) */
@font-face {
  font-family: "Albertus Medium";
  src: url("fonts/albertus-medium.woff") format("woff"),
       local("Albertus Medium"), local("Albertus-Medium");
  font-display: swap;
}

:root {
  --bg: #f3f6f1;
  --card: #fff;
  --ink: #16211c;
  --muted: #5f6d66;
  --green: #1f8a5f;
  --green-l: #dcf2e6;
  --lime: #c9f26b;
  --sky: #d9ecff;
  --sun: #fff0c7;
  --line: #e2e8e2;
  --disp: "Nunito Sans", "Segoe UI", sans-serif;
  --label: "Albertus Medium", Georgia, serif;
  --body: "Nunito Sans", "Segoe UI", sans-serif;
  --mono: "Geist Mono", Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 96px; }

body {
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 var(--body);
}

body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1;
  background: radial-gradient(#16211c14 1.2px, transparent 1.2px) 0 0 / 22px 22px;
}

a { color: inherit; text-decoration: none; }

.wrap { width: min(1140px, calc(100% - 32px)); margin: 0 auto; }

h1, h2, h3 { font-family: var(--disp); font-weight: 700; letter-spacing: -.02em; line-height: 1.1; }
h1 { font-size: clamp(2.6rem, 5.8vw, 4.6rem); margin: 22px 0; }
h2 { font-size: clamp(2rem, 4.2vw, 3.1rem); }
h3 { font-size: 1.28rem; }

.mono { font-family: var(--label); }

.tag {
  display: inline-block;
  font: .9rem var(--label);
  letter-spacing: .02em; text-transform: lowercase;
  color: var(--ink); background: var(--lime);
  border-radius: 999px; padding: 4px 12px; margin-bottom: 14px;
}

/* Tlačidlá */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 24px; border-radius: 14px;
  font-weight: 700;
  transition: transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-3px); }
.btn-primary { background: var(--green); color: #fff; box-shadow: 0 2px 8px rgba(22, 33, 28, .12); }
.btn-white { background: #fff; border: 1.5px solid var(--ink); }

/* Horná lišta */
.topbar { font: .8rem var(--label); color: #c9d3cd; letter-spacing: .02em; background: var(--ink); }
.topbar .wrap { display: flex; justify-content: space-between; gap: 16px; padding: 8px 0; }

/* Hlavička */
.header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.nav {
  position: relative;
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 0;
}
.brand { display: flex; align-items: center; }
.brand img { display: block; height: 30px; width: auto; }
.menu { display: flex; gap: 4px; align-items: center; font-weight: 700; font-size: .92rem; }
.menu a { padding: 9px 14px; border-radius: 12px; }
.menu a:hover { background: var(--green-l); }
.menu .pill { background: var(--green); color: #fff; }
.menu .pill:hover { background: #18704d; }
.menu-btn {
  display: none;
  background: var(--ink); color: #fff; border: 0; border-radius: 12px;
  padding: 9px 16px; font: .85rem var(--label); cursor: pointer;
}

/* Úvod */
.hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; padding: 48px 0 80px; }
.status-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 14px 6px 8px; font: .88rem var(--label);
}
.status-pill b { background: var(--lime); border-radius: 999px; padding: 2px 9px; font-weight: 400; }
h1 .hl {
  background: var(--lime); border-radius: 14px; padding: 0 .18em;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
.lead { font-size: 1.13rem; color: var(--muted); max-width: 46ch; margin-bottom: 30px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* Chat s technikom */
.chat {
  background: #fff; border: 1px solid var(--line); border-radius: 28px;
  padding: 20px; box-shadow: 0 30px 60px rgba(22, 33, 28, .1);
}
.chat-head { display: flex; align-items: center; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.avatar {
  width: 42px; height: 42px; border-radius: 14px;
  background: #f1f3f0; color: var(--ink);
  display: grid; place-items: center; font: .9rem var(--label);
}
.chat-head b { display: block; font-family: var(--disp); font-weight: 700; }
.chat-head small { font: .75rem var(--label); color: var(--muted); }
.chat-head small::before { content: "● "; color: var(--green); }
.msgs { display: flex; flex-direction: column; gap: 10px; padding: 18px 0 6px; }
.msg { max-width: 82%; padding: 11px 15px; border-radius: 18px; font-size: .95rem; opacity: 0; animation: pop .4s forwards; }
.msg-client { align-self: flex-end; background: var(--lime); color: var(--ink); border-bottom-right-radius: 6px; }
.msg-tech { background: #f1f3f0; border-bottom-left-radius: 6px; }
.msg-code { font: .8rem/1.6 var(--mono); background: #f1f3f0; color: var(--muted); border-bottom-left-radius: 6px; }
.msg-code span { color: var(--ink); }
.msg:nth-child(1) { animation-delay: .3s; }
.msg:nth-child(2) { animation-delay: 1s; }
.msg:nth-child(3) { animation-delay: 1.7s; }
.msg:nth-child(4) { animation-delay: 2.4s; }
.done {
  display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--line); border-radius: 18px; padding: 12px 16px; margin-top: 8px;
  opacity: 0; animation: pop .4s 3.1s forwards;
}
.done i {
  width: 34px; height: 34px; border-radius: 11px;
  background: var(--green-l); color: var(--green);
  display: grid; place-items: center; font-style: normal; font-weight: 800;
}
.done b { font-family: var(--disp); font-weight: 700; }
.done small { display: block; font: .75rem var(--label); color: var(--muted); }

/* Sekcie */
.section { padding: 90px 0; }
.section-tight { padding-top: 0; }
.center { text-align: center; max-width: 640px; margin: 0 auto 50px; }
.center p { color: var(--muted); margin-top: 12px; }

/* Karty služieb */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  position: relative;
  background: #fff; border: 1px solid var(--line); border-radius: 24px;
  padding: 28px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover .ico, .perks > div:hover .ico { border-color: var(--green); }
.card:hover .ico svg, .perks > div:hover .ico svg { stroke: var(--green); }
.ico svg { transition: stroke .25s; }
.ico { transition: background .25s, border-color .25s; }
.card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(22, 33, 28, .08); border-color: var(--green); }
.card-wide { grid-column: span 3; display: grid; grid-template-columns: auto 1fr; gap: 0 24px; align-items: center; }
.card-wide .ico { grid-row: span 2; margin-bottom: 0; }
.ico { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; margin-bottom: 18px; background: #fff; border: 1.5px solid var(--ink); }
.ico svg { width: 24px; height: 24px; fill: none; stroke: var(--ink); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); }

/* Prepínač Produkty / Služby */
.switch {
  display: flex; width: max-content; margin: 0 auto 40px;
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 5px;
}
.switch-btn {
  border: 0; background: none; cursor: pointer;
  font: 700 1.05rem var(--disp); color: var(--muted);
  padding: 12px 30px; border-radius: 12px;
  transition: background .2s, color .2s;
}
.switch-btn:hover { color: var(--ink); }
.switch-btn[aria-selected="true"] { background: var(--lime); color: var(--ink); }
.tab-panel[hidden] { display: none; }
.tab-panel { animation: pop .35s; }

/* Produkty */
.products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.product {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: 24px;
  padding: 14px 14px 24px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.product:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(22, 33, 28, .08); border-color: var(--green); }
.product-art { border-radius: 16px; display: grid; place-items: center; padding: 22px 0; margin-bottom: 18px; }
.product-art svg { width: 132px; height: 88px; fill: none; stroke: var(--ink); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; transition: transform .3s; }
.product-art .thin { stroke-width: 2; stroke: var(--ink); opacity: .55; }
.product:hover .product-art svg { transform: scale(1.06) rotate(-2deg); }
.art-green, .art-sun, .art-sky { background: var(--lime); }
.product h3, .product p, .product .go { padding: 0 12px; }
.product h3 { margin-bottom: 6px; }
.product p { color: var(--muted); flex: 1; }
.product .go { margin-top: 14px; font: .8rem var(--label); color: var(--green); }

.perks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 18px; }
.perks > div {
  display: flex; gap: 18px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 22px 24px;
  transition: border-color .25s, box-shadow .25s;
}
.perks > div:hover { border-color: var(--green); box-shadow: 0 20px 40px rgba(22, 33, 28, .08); }
.perks .ico { flex: none; margin-bottom: 0; }
.perks strong { display: block; font-family: var(--disp); font-weight: 700; font-size: 1.12rem; color: var(--ink); margin-bottom: 2px; }
.perks span { font-size: .95rem; color: var(--muted); }

/* Ako nakupovať */
.shop-cta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: 36px; padding: 52px;
}
.shop-cta h2 { margin-bottom: 16px; }
.shop-cta p { color: var(--muted); margin-bottom: 28px; max-width: 46ch; }
.shop-cta .actions { margin-bottom: 26px; }
.quick-contact { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 32px; }
.quick-contact li { display: flex; flex-direction: column; font-weight: 700; }
.quick-contact small { font: .75rem var(--label); color: var(--muted); }
.quick-contact a:hover { color: var(--green); }
.shop-steps { list-style: none; }
.shop-steps li { position: relative; display: flex; gap: 20px; align-items: flex-start; padding-bottom: 26px; }
.shop-steps li:last-child { padding-bottom: 0; }
.shop-steps li:not(:last-child)::before {
  content: ""; position: absolute; left: 19px; top: 44px; bottom: 4px;
  width: 2px; background: var(--line);
}
.shop-steps b {
  flex: none; display: grid; place-items: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--lime); color: var(--ink); font: 700 1rem var(--disp);
}
.shop-steps strong { display: block; font-family: var(--disp); font-weight: 800; font-size: 1.15rem; color: var(--ink); margin: 7px 0 2px; }
.shop-steps span { color: #44514a; font-size: .97rem; }

.faq { display: grid; gap: 10px; margin-top: 18px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 18px 22px; }
.faq details[open] { border-color: var(--green); }
.faq summary { cursor: pointer; font: 700 1.08rem var(--disp); list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 1.2rem var(--label); color: var(--green); }
.faq details[open] summary::after { content: "−"; }
.faq p { color: var(--muted); margin-top: 10px; }
.faq a { color: var(--green); font-weight: 700; }

/* Pre koho */
.segments { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.segment { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 30px; transition: border-color .25s; }
.segment:hover { border-color: var(--green); }
.segment .ico { background: var(--lime); border-color: transparent; }
.segment .ico svg { stroke: var(--ink); }
.segment h3 { margin-bottom: 8px; }
.segment p { color: var(--muted); }
.segment .mono { display: inline-block; margin-top: 16px; font-size: .75rem; color: var(--muted); background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; }

/* Cenník */
.band { position: relative; overflow: hidden; background: var(--ink); color: #fff; border-radius: 36px; padding: 64px 52px; }
.band::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(#ffffff12 1.2px, transparent 1.2px) 0 0 / 22px 22px;
}
.band .tag { background: var(--lime); color: var(--ink); }
.band-lead { position: relative; z-index: 1; margin-top: 14px; color: #c9d3cd; max-width: 60ch; }
.prices { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 38px; }
.price { background: #ffffff0d; border: 1px solid #ffffff1f; border-radius: 24px; padding: 28px; }
.price-main { background: var(--lime); color: var(--ink); border-color: var(--lime); }
.price .mono { font-size: .72rem; opacity: .7; text-transform: uppercase; letter-spacing: .08em; }
.price h3 { font-size: 1.2rem; margin-top: 6px; }
.amount { font: 800 3rem/1 var(--disp); margin: 14px 0 10px; letter-spacing: -.03em; }
.amount small { font: .82rem var(--label); opacity: .7; letter-spacing: 0; }
.price p:last-child { opacity: .8; }
.fine { position: relative; z-index: 1; margin-top: 22px; font: .8rem/1.6 var(--label); opacity: .65; max-width: 80ch; }

/* Podstránky */
.page { max-width: 760px; min-height: 50vh; }
.page h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); margin: 6px 0 26px; }
.page p:not(.tag) { font-size: 1.12rem; color: var(--muted); }
.page p + p { margin-top: 16px; }
.page-wide { min-height: 50vh; }

/* Dokumenty */
.docs { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.docs a {
  display: flex; gap: 14px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  padding: 18px 20px; font-weight: 700;
  transition: border-color .2s, background .2s;
}
.docs a:hover { border-color: var(--green); background: var(--green-l); }
.docs .ext { background: var(--ink); color: var(--lime); border-radius: 9px; padding: 5px 9px; font: .7rem var(--label); }
.docs i { margin-left: auto; font-style: normal; color: var(--green); }

/* Päta */
.footer { background: var(--ink); color: #c9d3cd; margin-top: 20px; padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1fr 1.1fr 1.1fr; gap: 48px; padding-bottom: 48px; }
.footer-brand img { height: 30px; width: auto; filter: invert(1); }
.footer-brand p { margin-top: 18px; max-width: 34ch; font-size: .95rem; color: #9fb0a7; }
.footer h3 { font: .82rem var(--label); color: var(--lime); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 14px; }
.footer-list div { display: flex; justify-content: space-between; gap: 16px; padding: 9px 0; border-top: 1px solid #ffffff14; font-size: .95rem; }
.footer-list dt { font: .75rem/1.9 var(--label); color: #8a9a92; text-transform: uppercase; letter-spacing: .06em; }
.footer-list dd { color: #fff; font-weight: 600; text-align: right; word-break: break-word; }
.footer-list a:hover { color: var(--lime); }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding: 20px 0 28px; border-top: 1px solid #ffffff1f;
  font: .78rem var(--label); color: #8a9a92;
}
.menu a[aria-current="page"], .dropdown-btn[data-current] { background: var(--green-l); }

/* Rozbaľovacie menu O nás */
.dropdown { position: relative; }
.dropdown-btn {
  background: none; border: 0; cursor: pointer;
  font: inherit; color: inherit;
  padding: 9px 14px; border-radius: 12px;
}
.dropdown-btn:hover { background: var(--green-l); }
.dropdown-btn span { display: inline-block; font-size: .75em; transition: transform .2s; }
.submenu {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 180px;
  display: flex; flex-direction: column; gap: 2px;
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 6px; box-shadow: 0 20px 40px rgba(22, 33, 28, .12);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .15s, transform .15s, visibility .15s;
}
.submenu::before { content: ""; position: absolute; left: 0; right: 0; top: -10px; height: 10px; }
.dropdown:hover .submenu, .dropdown:focus-within .submenu, .dropdown.open .submenu { opacity: 1; visibility: visible; transform: none; }
.dropdown:hover .dropdown-btn span, .dropdown.open .dropdown-btn span { transform: rotate(180deg); }

/* Striedanie pozadí sekcií */
#pre-koho { background: #fff; padding: 90px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
#pre-koho .segment { background: #f6f8f5; border-color: transparent; }
#pre-koho .segment:hover { border-color: var(--green); }
#cennik { padding: 0; }
#cennik > .wrap { width: 100%; }
#cennik .band { border-radius: 0; padding: 90px max(16px, calc((100% - 1140px) / 2)); }
#nakup { padding-top: 90px; }

/* Postupné zobrazovanie pri scrolle */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s, transform .6s; }
.reveal.visible { opacity: 1; transform: none; }

@keyframes pop { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .msg, .done, .reveal { opacity: 1; transform: none; }
}

/* Responzívnosť */
@media (max-width: 960px) {
  .hero, .shop-cta, .footer-grid { grid-template-columns: 1fr; }
  .footer-grid { gap: 32px; }
  .grid, .prices, .docs, .segments, .products { grid-template-columns: 1fr 1fr; }
  .perks { grid-template-columns: 1fr; }
  .shop-cta { padding: 36px 26px; }
  .card-wide { grid-column: span 2; }
  .band { padding: 48px 24px; }
}

@media (max-width: 760px) {
  .menu-btn { display: block; }
  .menu {
    display: none;
    position: absolute; top: calc(100% + 1px); left: -16px; right: -16px;
    flex-direction: column; align-items: stretch;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 10px 16px 16px; box-shadow: 0 20px 40px rgba(22, 33, 28, .12);
  }
  .menu.open { display: flex; }
  .menu a { padding: 12px 14px; }
  .menu .pill { text-align: center; margin-top: 6px; }
  .dropdown-btn { width: 100%; text-align: left; padding: 12px 14px; }
  .submenu {
    position: static; opacity: 1; visibility: visible; transform: none;
    border: 0; box-shadow: none; padding: 0 0 0 14px; min-width: 0;
    display: none;
  }
  .dropdown.open .submenu { display: flex; }
  .dropdown:hover .submenu { display: none; }
  .dropdown.open:hover .submenu { display: flex; }
  .topbar .wrap span:last-child { display: none; }
}

@media (max-width: 600px) {
  .grid, .prices, .docs, .segments, .products { grid-template-columns: 1fr; }
  .shop-cta { padding: 28px 20px; }
  .card-wide { grid-column: auto; display: block; }
  .card-wide .ico { margin-bottom: 18px; }
  .section { padding: 70px 0; }
  #pre-koho { padding: 70px 0; }
  #cennik .band { padding-top: 70px; padding-bottom: 70px; }
  #nakup { padding-top: 70px; }
  .footer-list div { flex-direction: column; gap: 0; }
  .footer-list dd { text-align: left; }
}