/* ============================================================
   AG&E s.r.o.  –  Zdieľaný dizajnový systém  |  site.css
   ============================================================ */

/* ---- CSS Custom Properties ---- */
:root {
  --clr-dark:    #0f1c2e;
  --clr-mid:     #1a2f4a;
  --clr-green:   #2e7d32;
  --clr-green-l: #43a047;
  --clr-accent:  #66bb6a;
  --clr-white:   #ffffff;
  --clr-light:   #f4f6f9;
  --clr-text:    #2d3748;
  --clr-muted:   #6b7280;
  --clr-border:  #e2e8f0;

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;

  --shadow-sm:   0 1px 4px rgba(0,0,0,.08);
  --shadow-md:   0 4px 16px rgba(0,0,0,.12);
  --shadow-lg:   0 8px 32px rgba(0,0,0,.18);

  --header-h:    72px;
  --transition:  0.3s ease;

  --font-body:   'Inter', system-ui, sans-serif;
  --font-head:   'Montserrat', 'Inter', sans-serif;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-body); color: var(--clr-text); background: var(--clr-light); line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--clr-green); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--clr-green-l); }
ul { list-style: none; }

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(15,28,46,.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.logo { flex-shrink: 0; display: flex; align-items: center; }
.logo img { height: 44px; width: auto; object-fit: contain; }

.main-nav { margin-left: auto; }

.main-nav ul { display: flex; align-items: center; gap: 0.25rem; }

.main-nav a {
  display: block;
  padding: 0.5rem 0.9rem;
  color: rgba(255,255,255,.85);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: .03em;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.main-nav a:hover { background: rgba(255,255,255,.1); color: var(--clr-white); }
.main-nav a[aria-current="page"] { background: rgba(102,187,106,.2); color: var(--clr-accent); }

.main-nav .nav-cta { background: var(--clr-green); color: var(--clr-white); padding: 0.5rem 1.1rem; }
.main-nav .nav-cta:hover { background: var(--clr-green-l); color: var(--clr-white); }
.main-nav .nav-cta[aria-current="page"] { background: var(--clr-green-l); color: var(--clr-white); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px; height: 20px;
  background: none; border: none; cursor: pointer;
  margin-left: auto; padding: 0;
}
.nav-toggle span { display: block; height: 2px; background: var(--clr-white); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* ============================================================
   HERO SLIDESHOW (homepage + geofyzikalny)
   ============================================================ */
.hero {
  position: relative;
  height: clamp(360px, 70svh, 620px);
  overflow: hidden;
  margin-top: var(--header-h);
  display: flex;
  align-items: center;
}

.slides { position: absolute; inset: 0; }
.slide {
  position: absolute;
  inset: 0;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  background-color: var(--clr-dark);
  opacity: 0;
  transition: opacity 1.2s ease;
}
.slide.active { opacity: 1; }

.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(15,28,46,.78) 0%, rgba(15,28,46,.45) 60%, rgba(46,125,50,.25) 100%);
}

.hero-content {
  position: relative; z-index: 2;
  max-width: 1280px; width: 100%;
  margin: 0 auto; padding: 0 2rem;
}
.hero-eyebrow { font-size: 0.875rem; font-weight: 600; letter-spacing: .15em; text-transform: uppercase; color: var(--clr-accent); margin-bottom: 0.75rem; }
.hero-content h1 { font-family: var(--font-head); font-size: clamp(2.4rem,6vw,4.5rem); font-weight: 800; line-height: 1.05; color: var(--clr-white); margin-bottom: 1.25rem; text-shadow: 0 2px 20px rgba(0,0,0,.4); }
.hero-sub { max-width: 540px; color: rgba(255,255,255,.82); font-size: clamp(1rem,2vw,1.15rem); margin-bottom: 2rem; }

.btn-hero { display: inline-block; padding: 0.85rem 2rem; background: var(--clr-green); color: var(--clr-white); font-weight: 600; font-size: 0.95rem; border-radius: var(--radius-sm); box-shadow: 0 4px 20px rgba(46,125,50,.4); transition: background var(--transition), transform var(--transition), box-shadow var(--transition); }
.btn-hero:hover { background: var(--clr-green-l); color: var(--clr-white); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(46,125,50,.5); }

.slide-dots { position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%); display: flex; gap: 0.5rem; z-index: 3; }
.slide-dots button { width: 10px; height: 10px; border-radius: 50%; border: 2px solid rgba(255,255,255,.6); background: transparent; cursor: pointer; transition: background var(--transition), border-color var(--transition); padding: 0; }
.slide-dots button.active { background: var(--clr-white); border-color: var(--clr-white); }

/* ============================================================
   PAGE HEADER (inner pages – no slideshow)
   ============================================================ */
.page-header {
  margin-top: var(--header-h);
  background: linear-gradient(135deg, var(--clr-dark) 0%, var(--clr-mid) 50%, rgba(46,125,50,.3) 100%);
  padding: 4rem 1.5rem 3.5rem;
  position: relative;
  overflow: hidden;
}
.page-header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-green), var(--clr-accent), var(--clr-green));
}
.page-header-inner { max-width: 1280px; margin: 0 auto; }
.page-eyebrow { font-size: 0.8rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--clr-accent); margin-bottom: 0.6rem; }
.page-header h1 { font-family: var(--font-head); font-size: clamp(1.8rem,4vw,3rem); font-weight: 800; color: var(--clr-white); margin-bottom: 1rem; }
.breadcrumb { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; font-size: 0.85rem; }
.breadcrumb a { color: rgba(255,255,255,.6); }
.breadcrumb a:hover { color: var(--clr-white); }
.breadcrumb span { color: rgba(255,255,255,.4); }
.breadcrumb .current { color: rgba(255,255,255,.9); font-weight: 500; }
.breadcrumb .sep { color: rgba(255,255,255,.3); }

/* ============================================================
   MAIN PAGE LAYOUT
   ============================================================ */
.page-main { max-width: 1280px; margin: 0 auto; padding: 4rem 1.5rem 5rem; }

.layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2.5rem;
  align-items: start;
}

/* Full-width pages */
.layout-full { display: block; }

/* ============================================================
   SERVICE CONTENT (geofyzikalny-style pages)
   ============================================================ */
.section-intro { margin-bottom: 2.5rem; }
.section-intro h2 { font-family: var(--font-head); font-size: clamp(1.6rem,3vw,2rem); font-weight: 700; color: var(--clr-dark); margin-bottom: 0.75rem; }
.section-intro p { color: var(--clr-muted); font-size: 1.05rem; max-width: 620px; }

.service-card {
  display: flex; gap: 1.25rem;
  background: var(--clr-white);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--clr-green);
  transition: box-shadow var(--transition), transform var(--transition);
}
.service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-icon { font-size: 2rem; line-height: 1; flex-shrink: 0; width: 3rem; text-align: center; }
.card-body h3 { font-family: var(--font-head); font-size: 1.05rem; font-weight: 700; color: var(--clr-green); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 1rem; }
.card-body ul { display: flex; flex-direction: column; gap: 0.55rem; }
.card-body li { position: relative; padding-left: 1.25rem; color: var(--clr-text); font-size: 0.95rem; line-height: 1.55; }
.card-body li::before { content: ''; position: absolute; left: 0; top: 0.6em; width: 7px; height: 7px; border-radius: 50%; background: var(--clr-accent); }
.card-body a { color: var(--clr-green); font-weight: 500; border-bottom: 1px solid transparent; transition: border-color var(--transition); }
.card-body a:hover { border-color: var(--clr-green-l); }

/* Content block (simpler version for single-section pages) */
.content-block {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.25rem;
}
.content-block h2 { font-family: var(--font-head); font-size: 1.3rem; font-weight: 700; color: var(--clr-dark); margin-bottom: 1rem; padding-bottom: 0.75rem; border-bottom: 2px solid var(--clr-border); }
.content-block h3 { font-family: var(--font-head); font-size: 1.05rem; font-weight: 700; color: var(--clr-green); text-transform: uppercase; letter-spacing: .04em; margin: 1.5rem 0 0.75rem; }
.content-block p { color: var(--clr-text); font-size: 0.95rem; line-height: 1.7; margin-bottom: 0.75rem; }
.content-block ul { display: flex; flex-direction: column; gap: 0.55rem; margin-bottom: 1rem; }
.content-block li { position: relative; padding-left: 1.25rem; color: var(--clr-text); font-size: 0.95rem; line-height: 1.55; }
.content-block li::before { content: ''; position: absolute; left: 0; top: 0.6em; width: 7px; height: 7px; border-radius: 50%; background: var(--clr-accent); }
.content-block img { border-radius: var(--radius-sm); margin: 1rem 0; box-shadow: var(--shadow-sm); }
.content-block a { color: var(--clr-green); }

/* ============================================================
   CONTACT SIDEBAR
   ============================================================ */
.contact-sidebar { position: sticky; top: calc(var(--header-h) + 1.5rem); display: flex; flex-direction: column; gap: 1.25rem; }

.contact-card { background: var(--clr-dark); color: var(--clr-white); border-radius: var(--radius-md); padding: 1.75rem 1.5rem; box-shadow: var(--shadow-lg); }
.contact-logo {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(140deg, rgba(102,187,106,.35), rgba(67,160,71,.2));
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.06);
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
}
.contact-logo::before {
  content: '';
  width: 24px;
  height: 24px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100% 100%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4' y='3' width='16' height='18' rx='2' ry='2'/%3E%3Cpath d='M9 21v-4h6v4'/%3E%3Cpath d='M8 8h.01M12 8h.01M16 8h.01M8 12h.01M12 12h.01M16 12h.01'/%3E%3C/svg%3E");
}
.contact-name { font-family: var(--font-head); font-size: 1.2rem; font-weight: 700; margin-bottom: 1rem; color: var(--clr-white); }
.contact-card address { font-style: normal; display: flex; flex-direction: column; gap: 0.85rem; font-size: 0.9rem; color: rgba(255,255,255,.75); }
.contact-card address strong { color: rgba(255,255,255,.95); font-weight: 600; }
.contact-card address a { color: var(--clr-accent); display: block; }
.contact-card address a:hover { color: var(--clr-white); }

.cert-link { display: block; margin-top: 1.25rem; }
.cert-link-btn {
  display: inline-flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,.18);
  background: linear-gradient(135deg, rgba(102,187,106,.22), rgba(67,160,71,.28));
  color: var(--clr-white);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: .02em;
  text-transform: uppercase;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
}
.cert-link-btn::before {
  content: '';
  width: 1rem;
  height: 1rem;
  flex: 0 0 1rem;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100% 100%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3l7 3v6c0 5-3.5 8-7 9-3.5-1-7-4-7-9V6l7-3z'/%3E%3Cpath d='M9 12l2 2 4-4'/%3E%3C/svg%3E");
}
.cert-link-btn:hover {
  background: linear-gradient(135deg, rgba(102,187,106,.34), rgba(67,160,71,.42));
  border-color: rgba(255,255,255,.32);
  transform: translateY(-1px);
  color: var(--clr-white);
}

.btn-contact { display: block; margin-top: 1.25rem; padding: 0.75rem; text-align: center; background: var(--clr-green); color: var(--clr-white); font-weight: 600; font-size: 0.9rem; border-radius: var(--radius-sm); transition: background var(--transition); }
.btn-contact:hover { background: var(--clr-green-l); color: var(--clr-white); }

.sidebar-links { background: var(--clr-white); border-radius: var(--radius-md); padding: 1.5rem; box-shadow: var(--shadow-sm); }
.sidebar-links h3 { font-family: var(--font-head); font-size: 0.8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--clr-muted); margin-bottom: 0.85rem; }
.sidebar-links ul { display: flex; flex-direction: column; gap: 0; }
.sidebar-links li + li { border-top: 1px solid var(--clr-border); }
.sidebar-links a { display: block; padding: 0.6rem 0; color: var(--clr-text); font-size: 0.9rem; transition: color var(--transition); }
.sidebar-links a:hover { color: var(--clr-green); }
.sidebar-links a.active { color: var(--clr-green); font-weight: 600; }

/* ============================================================
   HOMEPAGE – Services overview boxes
   ============================================================ */
.home-services { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.25rem; margin-top: 2.5rem; }

.home-service-tile {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex; flex-direction: column;
}
.home-service-tile:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.home-service-tile img { width: 100%; height: 180px; object-fit: cover; }
.home-service-tile-body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.home-service-tile h3 { font-family: var(--font-head); font-size: 0.95rem; font-weight: 700; color: var(--clr-dark); margin-bottom: 0.5rem; }
.home-service-tile p { color: var(--clr-muted); font-size: 0.875rem; flex: 1; }
.home-service-tile a.tile-link { display: inline-block; margin-top: 1rem; color: var(--clr-green); font-weight: 600; font-size: 0.875rem; }

.home-about { background: var(--clr-white); border-radius: var(--radius-md); padding: 2rem; box-shadow: var(--shadow-sm); }
.home-about h2 { font-family: var(--font-head); font-size: 1.5rem; font-weight: 700; color: var(--clr-dark); margin-bottom: 1rem; }
.home-about p { color: var(--clr-text); font-size: 0.95rem; line-height: 1.75; margin-bottom: 0.75rem; }
.home-about ul { display: flex; flex-direction: column; gap: 0.55rem; margin-bottom: 1rem; }
.home-about li { position: relative; padding-left: 1.25rem; color: var(--clr-text); font-size: 0.95rem; }
.home-about li::before { content: ''; position: absolute; left: 0; top: 0.6em; width: 7px; height: 7px; border-radius: 50%; background: var(--clr-accent); }

.highlight-box { background: linear-gradient(135deg, var(--clr-dark), var(--clr-mid)); border-radius: var(--radius-md); padding: 1.75rem; margin-top: 1.5rem; }
.highlight-box h3 { font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; color: var(--clr-accent); margin-bottom: 0.75rem; }
.highlight-box p, .highlight-box li { color: rgba(255,255,255,.8); font-size: 0.9rem; }
.highlight-box li { position: relative; padding-left: 1rem; }
.highlight-box li::before { content: '>'; position: absolute; left: 0; color: var(--clr-accent); font-weight: 700; }
.highlight-box ul { display: flex; flex-direction: column; gap: 0.4rem; margin-top: 0.75rem; }

.home-cert-list {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  padding: 1.75rem 2rem;
  box-shadow: var(--shadow-sm);
  margin-top: 1.5rem;
}
.home-cert-list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.home-cert-list h2 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-dark);
}
.home-cert-list-all {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clr-green);
}
.home-cert-list ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem 1.1rem;
}
.home-cert-list li {
  position: relative;
  padding-left: 1rem;
}
.home-cert-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-accent);
}
.home-cert-list a {
  color: var(--clr-text);
  font-size: 0.92rem;
  line-height: 1.5;
}
.home-cert-list a:hover {
  color: var(--clr-green);
}

/* ============================================================
   PONUKA – Service tiles grid
   ============================================================ */
.ponuka-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }

.ponuka-card {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex; flex-direction: column;
}
.ponuka-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.ponuka-card-img { position: relative; overflow: hidden; }
.ponuka-card-img img { width: 100%; height: 220px; object-fit: cover; transition: transform 0.4s ease; }
.ponuka-card:hover .ponuka-card-img img { transform: scale(1.05); }
.ponuka-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.ponuka-card-body h3 { font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; color: var(--clr-dark); margin-bottom: 0.75rem; }
.ponuka-card-body p { color: var(--clr-muted); font-size: 0.9rem; line-height: 1.6; flex: 1; }
.ponuka-card-link { display: inline-flex; align-items: center; gap: 0.4rem; margin-top: 1.25rem; padding: 0.6rem 1.25rem; background: var(--clr-green); color: var(--clr-white); font-weight: 600; font-size: 0.875rem; border-radius: var(--radius-sm); transition: background var(--transition); align-self: flex-start; }
.ponuka-card-link:hover { background: var(--clr-green-l); color: var(--clr-white); }

/* ============================================================
   NOVINKY – News timeline
   ============================================================ */
.news-timeline { display: flex; flex-direction: column; gap: 2rem; }

.news-year { background: var(--clr-dark); color: var(--clr-accent); font-family: var(--font-head); font-size: 0.85rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; padding: 0.45rem 1rem; border-radius: var(--radius-sm); display: inline-block; margin-bottom: 0; }

.news-entry {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--clr-green);
}
.news-entry h3 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; color: var(--clr-dark); margin-bottom: 0.75rem; }
.news-entry p { color: var(--clr-text); font-size: 0.93rem; line-height: 1.75; margin-bottom: 0.75rem; }
.news-entry ul { display: flex; flex-direction: column; gap: 0.4rem; margin: 0.75rem 0; }
.news-entry li { position: relative; padding-left: 1.25rem; color: var(--clr-text); font-size: 0.92rem; }
.news-entry li::before { content: ''; position: absolute; left: 0; top: 0.6em; width: 6px; height: 6px; border-radius: 50%; background: var(--clr-accent); }

/* Photo grid inside news entry */
.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 0.75rem; margin-top: 1.25rem; }
.photo-grid-item { border-radius: var(--radius-sm); overflow: hidden; cursor: pointer; position: relative; aspect-ratio: 1.4; }
.photo-grid-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease, filter 0.3s ease; }
.photo-grid-item:hover img { transform: scale(1.08); filter: brightness(0.85); }
.photo-grid-item::after { content: '🔍'; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; opacity: 0; background: rgba(15,28,46,.4); transition: opacity 0.3s; }
.photo-grid-item:hover::after { opacity: 1; }

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,.92);
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.lightbox.open { display: flex; }
.lightbox-img { max-width: 90vw; max-height: 88vh; border-radius: var(--radius-sm); box-shadow: 0 0 60px rgba(0,0,0,.6); object-fit: contain; }
.lightbox-close { position: absolute; top: 1rem; right: 1.5rem; background: none; border: none; color: var(--clr-white); font-size: 2rem; cursor: pointer; line-height: 1; }
.lightbox-close:hover { color: var(--clr-accent); }
.lightbox-prev, .lightbox-next { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,.1); border: none; color: var(--clr-white); font-size: 2rem; padding: 1rem 0.75rem; cursor: pointer; border-radius: var(--radius-sm); transition: background var(--transition); }
.lightbox-prev { left: 1rem; }
.lightbox-next { right: 1rem; }
.lightbox-prev:hover, .lightbox-next:hover { background: rgba(255,255,255,.2); }
.lightbox-caption { position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,.7); font-size: 0.875rem; text-align: center; }

/* ============================================================
   REFERENCIE – Reference sections
   ============================================================ */
.ref-intro { font-size: 1rem; color: var(--clr-muted); margin-bottom: 2rem; }

.ref-section {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.25rem;
}
.ref-section-title { display: flex; align-items: center; gap: 0.75rem; font-family: var(--font-head); font-size: 1rem; font-weight: 700; color: var(--clr-green); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 1.25rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--clr-border); }
.ref-section-title .ref-icon { font-size: 1.4rem; }
.ref-items { display: flex; flex-direction: column; gap: 0.35rem; }
.ref-item { display: flex; align-items: baseline; gap: 0.6rem; padding: 0.35rem 0; border-bottom: 1px dashed var(--clr-border); color: var(--clr-text); font-size: 0.93rem; }
.ref-item:last-child { border-bottom: none; }
.ref-item::before { content: '▸'; color: var(--clr-accent); flex-shrink: 0; font-size: 0.75rem; }

.ref-international { background: linear-gradient(135deg, var(--clr-dark), var(--clr-mid)); border-radius: var(--radius-md); padding: 1.75rem; margin-top: 1.5rem; }
.ref-international h3 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; color: var(--clr-accent); margin-bottom: 1rem; }
.ref-international ul { display: flex; flex-direction: column; gap: 0.4rem; }
.ref-international li { color: rgba(255,255,255,.8); font-size: 0.9rem; padding-left: 1rem; position: relative; }
.ref-international li::before { content: ''; position: absolute; left: 0; top: 0.6em; width: 5px; height: 5px; border-radius: 50%; background: var(--clr-accent); }
.ref-international strong { color: var(--clr-accent); }

/* ============================================================
   RADÓN – FAQ Accordion
   ============================================================ */
.faq-intro { font-size: 1.05rem; color: var(--clr-muted); margin-bottom: 2.5rem; line-height: 1.7; }

.faq-list { display: flex; flex-direction: column; gap: 0.75rem; }

.faq-item {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border-left: 4px solid transparent;
  transition: border-color var(--transition);
}
.faq-item.open { border-color: var(--clr-green); }

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-body);
}
.faq-question-text { font-weight: 600; font-size: 0.97rem; color: var(--clr-dark); }
.faq-question-num { font-family: var(--font-head); font-size: 0.8rem; font-weight: 700; color: var(--clr-green); background: rgba(46,125,50,.1); padding: 0.2rem 0.55rem; border-radius: 20px; flex-shrink: 0; }
.faq-chevron { font-size: 1.1rem; color: var(--clr-green); transition: transform var(--transition); flex-shrink: 0; }
.faq-item.open .faq-chevron { transform: rotate(180deg); }

.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.45s ease; }
.faq-answer-inner { padding: 0 1.5rem 1.5rem; color: var(--clr-text); font-size: 0.93rem; line-height: 1.75; }
.faq-answer-inner p { margin-bottom: 0.75rem; }
.faq-answer-inner p:last-child { margin-bottom: 0; }
.faq-answer-inner ul { display: flex; flex-direction: column; gap: 0.4rem; margin: 0.75rem 0; }
.faq-answer-inner li { position: relative; padding-left: 1.1rem; }
.faq-answer-inner li::before { content: ''; position: absolute; left: 0; top: 0.6em; width: 5px; height: 5px; border-radius: 50%; background: var(--clr-accent); }
.faq-answer-inner img { border-radius: var(--radius-sm); margin: 1rem 0; max-width: 100%; box-shadow: var(--shadow-sm); }
.faq-item.open .faq-answer { max-height: 9999px; }

/* ============================================================
   KONTAKT – Contact page
   ============================================================ */
.contact-main-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.contact-info-card {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}
.contact-info-card h2 { font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; color: var(--clr-dark); margin-bottom: 1.25rem; padding-bottom: 0.75rem; border-bottom: 2px solid var(--clr-border); }
.contact-row { display: flex; flex-direction: column; gap: 0.85rem; }
.contact-row dt { font-size: 0.8rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--clr-muted); margin-bottom: 0.15rem; }
.contact-row dd { color: var(--clr-text); font-size: 0.95rem; }
.contact-row dd a { color: var(--clr-green); }

.contact-map-placeholder { background: var(--clr-dark); border-radius: var(--radius-md); padding: 2rem; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; min-height: 200px; }
.contact-map-placeholder p { color: rgba(255,255,255,.6); font-size: 0.9rem; margin-bottom: 1rem; }
.contact-gps { font-family: monospace; color: var(--clr-accent); font-size: 0.875rem; }

.contact-persons { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-person { background: var(--clr-light); border-radius: var(--radius-sm); padding: 1.25rem; }
.contact-person strong { font-weight: 600; color: var(--clr-dark); display: block; margin-bottom: 0.35rem; }
.contact-person p { color: var(--clr-muted); font-size: 0.875rem; }
.contact-person a { color: var(--clr-green); }

/* ============================================================
   CERTIFIKÁTY – Gallery page
   ============================================================ */
.cert-section { margin-bottom: 2.5rem; }
.cert-section-title { font-family: var(--font-head); font-size: 1rem; font-weight: 700; color: var(--clr-green); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--clr-border); }

.cert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; }
.cert-grid-item { border-radius: var(--radius-sm); overflow: hidden; cursor: pointer; box-shadow: var(--shadow-sm); transition: box-shadow var(--transition), transform var(--transition); position: relative; }
.cert-grid-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.cert-grid-item img { width: 100%; height: 220px; object-fit: cover; object-position: top; }
.cert-grid-item-label { background: var(--clr-dark); color: rgba(255,255,255,.8); font-size: 0.75rem; padding: 0.4rem 0.6rem; text-align: center; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--clr-dark); color: rgba(255,255,255,.55); padding: 1.75rem 1.5rem; font-size: 0.85rem; }
.footer-inner { max-width: 1280px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer-inner nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.footer-inner nav a { color: rgba(255,255,255,.55); }
.footer-inner nav a:hover { color: var(--clr-white); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .layout { grid-template-columns: 1fr 280px; gap: 2rem; }
  .home-services { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .main-nav {
    display: none;
    position: absolute;
    top: var(--header-h); left: 0; right: 0;
    background: var(--clr-dark);
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 1rem 0;
    box-shadow: var(--shadow-lg);
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; align-items: stretch; }
  .main-nav a { padding: 0.85rem 1.5rem; border-radius: 0; font-size: 1rem; border-bottom: 1px solid rgba(255,255,255,.05); }
  .main-nav .nav-cta { margin: 0.75rem 1.5rem; border-radius: var(--radius-sm); text-align: center; }

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

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

  .home-services { grid-template-columns: 1fr; }
  .ponuka-grid { grid-template-columns: 1fr; }

  .home-cert-list { padding: 1.4rem 1.25rem; }
  .home-cert-list-head { flex-direction: column; align-items: flex-start; }
  .home-cert-list ul { grid-template-columns: 1fr; }

  .hero { height: clamp(320px, 62svh, 500px); }
  .page-main { padding: 2.5rem 1rem 3rem; }

  .cert-grid { grid-template-columns: repeat(2,1fr); }
  .photo-grid { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 480px) {
  .service-card { flex-direction: column; gap: 0.75rem; }
  .hero-content h1 { font-size: 2rem; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-inner nav { justify-content: center; }
  .cert-grid { grid-template-columns: 1fr; }
  .lightbox-prev, .lightbox-next { font-size: 1.5rem; padding: 0.75rem 0.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  .slide, .btn-hero, .service-card, .ponuka-card { transition: none; }
}