/* EnviLog – styl webu
   Barvy vycházejí z loga: tmavě zelená a oranžová.
   Oranžová je jen akcent (linky, odrážky) – na textu by neměla dostatečný kontrast. */

:root {
  --ink: #1f2926;
  --muted: #55625d;
  --green: #3d7468;
  --green-dark: #2d5a50;
  --orange: #f09e4b;
  --bg: #fbfaf7;
  --band: #eff3ee;
  --line: #d9dfd8;
  --measure: 42rem;
  --wrap: 64rem;
  --gap: clamp(1.25rem, 4vw, 2.5rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 1rem;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 1.0625rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--green-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--ink);
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 650;
  margin: 0;
}

h1 {
  font-size: clamp(1.9rem, 4.5vw, 2.6rem);
}

h2 {
  font-size: 1.35rem;
}

p {
  margin: 0 0 1em;
}

.wrap {
  width: min(100% - 2 * var(--gap), var(--wrap));
  margin-inline: auto;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 10;
}

.skip:focus {
  left: 0;
}

/* ---------- Hlavička ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  flex-wrap: wrap;
  padding-block: 0.9rem;
}

.logo img {
  height: 3.5rem;
  width: auto;
}

.main-nav {
  display: flex;
  gap: 0.25rem 1.75rem;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--ink);
  text-decoration: none;
  padding-block: 0.4rem;
  border-bottom: 2px solid transparent;
  font-weight: 500;
}

.main-nav a:hover {
  border-bottom-color: var(--orange);
}

.main-nav a[aria-current] {
  border-bottom-color: var(--orange);
  color: var(--green-dark);
  font-weight: 650;
}

/* Podnavigace u jednotlivých činností */

.subnav {
  background: var(--band);
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

.subnav ul {
  list-style: none;
  margin: 0;
  padding: 0.55rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.1rem 1.4rem;
}

.subnav a {
  color: var(--muted);
  text-decoration: none;
  padding-block: 0.2rem;
  border-bottom: 2px solid transparent;
}

.subnav a:hover {
  color: var(--ink);
  border-bottom-color: var(--orange);
}

.subnav a[aria-current] {
  color: var(--green-dark);
  font-weight: 650;
  border-bottom-color: var(--orange);
}

/* ---------- Úvod ---------- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: var(--gap);
  align-items: center;
  padding-block: clamp(2rem, 6vw, 4.5rem);
}

.kicker {
  margin: 0 0 0.9rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
}

.hero h1 {
  font-size: clamp(2.1rem, 5.2vw, 3.4rem);
  line-height: 1.12;
  max-width: 16em;
}

.hero .lead {
  margin: 1.4rem 0 0;
  max-width: 34rem;
  font-size: 1.15rem;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.3rem;
  border: 2px solid var(--green-dark);
  background: var(--green-dark);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  border-radius: 3px;
}

.btn:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.btn--plain {
  background: transparent;
  color: var(--green-dark);
}

.btn--plain:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  color: #fff;
}

.hero figure {
  margin: 0;
}

.hero img {
  width: 100%;
  max-height: 34rem;
  object-fit: cover;
  object-position: center 35%;
  border-radius: 3px;
}

.band {
  background: var(--band);
  border-block: 1px solid var(--line);
  padding-block: clamp(2rem, 5vw, 3.25rem);
}

.band h2 {
  margin-bottom: 1.25rem;
}

.area-list {
  list-style: none;
  margin: 0;
  padding: 0;
  columns: 2 18rem;
  column-gap: var(--gap);
}

.area-list li {
  break-inside: avoid;
  border-top: 1px solid var(--line);
}

.area-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.area-list a {
  display: block;
  padding: 0.7rem 0;
  text-decoration: none;
  color: var(--ink);
}

.area-list a::after {
  content: "→";
  float: right;
  color: var(--green);
}

.area-list a:hover {
  color: var(--green-dark);
}

.area-list a:hover::after {
  color: var(--orange);
}

.contact-strip {
  padding-block: clamp(2rem, 5vw, 3.25rem);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 3rem;
  align-items: baseline;
  justify-content: space-between;
}

.contact-strip p {
  margin: 0;
}

.contact-strip .who {
  font-weight: 650;
  font-size: 1.15rem;
}

.contact-strip .how {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 2rem;
}

/* ---------- Obsahové stránky ---------- */

.page {
  padding-block: clamp(1.75rem, 5vw, 3.5rem) clamp(2.5rem, 6vw, 4.5rem);
}

.crumb {
  margin: 0 0 1rem;
  font-size: 0.95rem;
}

.crumb a {
  color: var(--muted);
  text-decoration: none;
}

.crumb a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--orange);
}

.page h1 {
  max-width: 24ch;
}

.page .lead {
  max-width: var(--measure);
  margin: 1rem 0 0;
  font-size: 1.15rem;
  color: var(--muted);
}

.page-body {
  margin-top: 2rem;
  max-width: var(--measure);
}

.page-body h2 {
  margin: 2rem 0 0.5rem;
}

.page-body h2:first-child {
  margin-top: 0;
}

.checklist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.checklist li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.6rem;
  border-top: 1px solid var(--line);
}

.checklist li:last-child {
  border-bottom: 1px solid var(--line);
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0.15rem;
  top: 1.2rem;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--orange);
}

/* Fotky: řádky stejné výšky, které se vyplní do šířky */

.gallery {
  --h: 13rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.gallery li {
  flex: var(--r) 1 calc(var(--h) * var(--r));
  min-width: 0;
  max-width: 100%;
}

.gallery img {
  width: 100%;
  height: var(--h);
  object-fit: cover;
  border-radius: 2px;
  background: var(--band);
}

.gallery--tall {
  --h: 15rem;
}

.gallery--small {
  --h: 10.9rem; /* zdrojové obrázky mají jen 175 px na výšku */
}

/* Přehled činností */

.cards {
  list-style: none;
  margin: 2.25rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14.5rem, 1fr));
  gap: 1.75rem 1.25rem;
}

.card a {
  display: block;
  text-decoration: none;
  color: var(--ink);
}

.card img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 2px;
  background: var(--band);
}

.card span {
  display: block;
  margin-top: 0.6rem;
  padding-bottom: 0.2rem;
  font-weight: 600;
  line-height: 1.3;
  border-bottom: 2px solid transparent;
  width: fit-content;
}

.card a:hover span {
  border-bottom-color: var(--orange);
}

.card small {
  display: block;
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 400;
}

/* Kontakt */

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  gap: var(--gap);
  align-items: start;
  margin-top: 2rem;
}

.contact-list {
  margin: 0;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.6rem 1.5rem;
}

.contact-list dt {
  color: var(--muted);
}

.contact-list dd {
  margin: 0;
}

.contact-name {
  margin: 0 0 1.25rem;
  font-size: 1.25rem;
  font-weight: 650;
}

.map iframe {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  border-radius: 2px;
  background: var(--band);
}

/* Další oblasti pod obsahem */

.next-steps {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  justify-content: space-between;
  max-width: var(--measure);
}

/* ---------- Patička ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.925rem;
}

.site-footer .wrap {
  padding-block: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 2rem;
}

.site-footer p {
  margin: 0;
}

/* ---------- Menší displeje ---------- */

@media (max-width: 48rem) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero img {
    max-height: none;
    width: min(100%, 15rem);
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .gallery,
  .gallery--tall {
    --h: 9rem;
  }

  .gallery--small {
    --h: 8rem;
  }

  .logo img {
    height: 3rem;
  }

  .site-header .wrap {
    gap: 0.25rem 1.5rem;
  }

  .main-nav {
    gap: 0.25rem 1.25rem;
  }
}

@media (max-width: 30rem) {
  .contact-list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .contact-list dd {
    margin-bottom: 0.7rem;
  }
}

@media print {
  .site-header .main-nav,
  .subnav,
  .actions,
  .next-steps {
    display: none;
  }
}