/* ==========================================================================
   PROJECT OVERRIDES (Bootstrap 5 friendly)
   Dokonalé střechy – Varianta A + lehký dotek B
   ========================================================================== */

/* -------------------------
   0) Safety / baseline
   ------------------------- */
:root{
  /* brand palette */
  --ds-primary: #1E2A38;
  --ds-secondary: #4A6572;
  --ds-accent: #F28C28;
  --ds-warm: #8B6F47;
  --ds-bg: #F5F7FA;
  --ds-bg-alt: #FAF8F5;
  --ds-text: #1A1A1A;
  --ds-text-muted: #6B7177;
  --ds-link: #2F556B;
  --ds-success: #2E7D32;
  --ds-danger: #C23B22;
  --ds-warning: #D39A2C;

  /* compatibility aliases */
  --accent-warm: var(--ds-accent);
  --accent-warm-2: #F6B15E;

  /* safe surfaces */
  --surface: rgba(255,255,255,.92);
  --surface-strong: rgba(255,255,255,.98);

  --shadow: 0 14px 45px rgba(30,42,56,.12);
  --shadow-strong: 0 28px 70px rgba(30,42,56,.18);

  /* fallback tints */
  --section-tint: rgba(30,42,56,.06);
  --section-tint-2: rgba(242,140,40,.10);
}

/* Prefer color-mix if available */
@supports (color: color-mix(in srgb, white 50%, black)) {
  :root{
    --surface: color-mix(in srgb, var(--bg-body) 92%, white);
    --surface-strong: color-mix(in srgb, var(--bg-body) 84%, white);
    --section-tint: color-mix(in srgb, var(--project) 6%, white);
    --section-tint-2: color-mix(in srgb, var(--accent-warm) 10%, white);
  }
}

html, body{
  background: var(--bg-body, var(--ds-bg));
  color: var(--text-body, var(--ds-text));
}

a{
  color: inherit;
}
a:hover{
  color: var(--project, var(--ds-primary));
}

.text-muted{
  color: var(--text-muted, var(--ds-text-muted)) !important;
}

hr{
  border: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(30,42,56,.28) 15%,
    rgba(30,42,56,.28) 85%,
    transparent 100%
  );
  margin: 2rem 0;
  opacity: 1 !important;
}

.border-base{
  border-color: var(--border-base, rgba(30,42,56,.12)) !important;
}

/* -------------------------
   1) Header / Footer
   ------------------------- */

.site-nav { padding: 8px 0 !important;}
/* transparentní header přes hero */
#site-header{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1100;

  background: rgba(30,42,56,.38);
  color: var(--text-header, #fff);
  border-bottom: 1px solid rgba(255,255,255,.10);

  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* navbar uvnitř headeru nesmí mít vlastní plnou barvu */
#site-header .navbar{
  background: transparent !important;
}

#site-footer{
  background: var(--bg-footer, var(--ds-primary));
  color: var(--text-footer, rgba(255,255,255,.92));
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 28px 0;
}

@supports (border-top-color: color-mix(in srgb, white 50%, transparent)) {
  #site-footer{
    border-top-color: color-mix(in srgb, white 10%, transparent);
  }
}

#site-footer a{
  color: inherit;
}

/* Nav */
.brand{
  font-weight: 850;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--text-header, #fff);
}

.navbar-brand img{
  max-height: 54px;
  width: auto;
  display: block;
}

.nav-link{
  position: relative;
  text-decoration: none;
  color: rgba(255,255,255,.92) !important;
  opacity: 1;
  font-weight: 600;
  text-shadow: 0 1px 2px rgba(0,0,0,.22);
}

.nav-link:hover,
.nav-link:focus{
  color: #fff !important;
  text-decoration: none;
}

.nav-link.active{
  color: #fff !important;
}

.nav-link.active::after{
  content: "";
  position: absolute;
  left: .75rem;
  right: .75rem;
  bottom: .2rem;
  height: 2px;
  border-radius: 999px;
  background: var(--ds-accent);
}

/* dropdown/detail summary v navigaci */
.nav-dd-summary{
  list-style: none;
  cursor: pointer;
}

.nav-dd-summary::-webkit-details-marker{
  display: none;
}

.navbar-toggler{
  border-color: rgba(255,255,255,.22);
  background: rgba(255,255,255,.06);
}

.navbar-toggler:focus{
  box-shadow: 0 0 0 .2rem rgba(255,255,255,.12);
}

/* mobilní rozbalené menu */
@media (max-width: 991.98px){
  #site-header{
    background: rgba(30,42,56,.72);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  #site-header .navbar-collapse{
    margin-top: .75rem;
    padding-top: .75rem;
    border-top: 1px solid rgba(255,255,255,.10);
  }

  .nav-link{
    padding-top: .7rem;
    padding-bottom: .7rem;
  }

  .nav-link.active::after{
    left: 0;
    right: auto;
    width: 56px;
    bottom: .35rem;
  }
}


/* -------------------------
   2) Project palette utilities
   ------------------------- */
.bg-project   { background-color: var(--project, var(--ds-primary)) !important;   color: var(--on-project, #fff) !important; }
.bg-project-1 { background-color: var(--project-1, var(--ds-secondary)) !important; color: var(--on-project, #fff) !important; }
.bg-project-2 { background-color: var(--project-2, var(--ds-accent)) !important; color: var(--on-project, #fff) !important; }
.bg-project-3 { background-color: var(--project-3, var(--ds-warm)) !important; color: var(--on-project, #fff) !important; }
.bg-project-4 { background-color: var(--project-4, var(--ds-bg-alt)) !important; color: var(--ds-text) !important; }

.border-project   { border-color: var(--project, var(--ds-primary)) !important; }
.border-project-1 { border-color: var(--project-1, var(--ds-secondary)) !important; }
.border-project-2 { border-color: var(--project-2, var(--ds-accent)) !important; }
.border-project-3 { border-color: var(--project-3, var(--ds-warm)) !important; }
.border-project-4 { border-color: var(--project-4, var(--ds-bg-alt)) !important; }

.text-project   { color: var(--project, var(--ds-primary)) !important; }
.text-project-1 { color: var(--project-1, var(--ds-secondary)) !important; }
.text-project-2 { color: var(--project-2, var(--ds-accent)) !important; }
.text-project-3 { color: var(--project-3, var(--ds-warm)) !important; }
.text-project-4 { color: var(--project-4, var(--ds-text-muted)) !important; }

/* Bootstrap button harmony */
.btn.bg-project{
  background-color: var(--project, var(--ds-primary)) !important;
  color: var(--on-project, #fff) !important;
  border-color: var(--project, var(--ds-primary)) !important;
}

.btn.bg-project:hover{
  background-color: #16212d !important;
  border-color: #16212d !important;
  filter: brightness(.98);
  color: var(--on-project, #fff) !important;
}

.btn-outline-secondary{
  border-color: rgba(30,42,56,.16) !important;
  color: var(--ds-text) !important;
}

@supports (border-color: color-mix(in srgb, white 50%, transparent)) {
  .btn-outline-secondary{
    border-color: color-mix(in srgb, var(--border-base, var(--ds-primary)) 70%, transparent) !important;
  }
}

.btn-outline-light{
  border-color: rgba(255,255,255,.55);
  color: #fff;
}

.btn-outline-light:hover{
  background: rgba(255,255,255,.12);
  color: #fff;
}

/* Accent CTA */
.btn-accent{
  display: inline-block;
  background: var(--ds-accent);
  color: #fff;
  border: 1px solid var(--ds-accent);
  padding: .55rem .9rem;
  border-radius: .75rem;
  text-decoration: none;
}
.btn-accent:hover{
  background: #dd7d15;
  border-color: #dd7d15;
  color: #fff;
}

.btn-project{
  display: inline-block;
  background: var(--project, var(--ds-primary));
  color: var(--on-project, #fff);
  border: 1px solid var(--project, var(--ds-primary));
  padding: .55rem .9rem;
  border-radius: .75rem;
  text-decoration: none;
}
.btn-project:hover{
  background: #16212d;
  border-color: #16212d;
  color: var(--on-project, #fff);
}


/* -------------------------
   3) Typography polish
   ------------------------- */
h1, h2, h3{
  letter-spacing: -0.02em;
}

h2.h3{
  font-weight: 950 !important;
}


/* -------------------------
   4) Section “mood”
   ------------------------- */
.section,
.home-section{
  position: relative;
  padding: 5rem 0;
}

.section.border-top,
.home-section.border-top{
  border-top: 1px solid rgba(30,42,56,.08) !important;
}

@supports (border-top-color: color-mix(in srgb, white 50%, transparent)) {
  .section.border-top,
  .home-section.border-top{
    border-top-color: color-mix(in srgb, var(--border-base, var(--ds-primary)) 65%, transparent) !important;
  }
}

/* light tint background */
.section--light,
.home-section--light{
  background:
    radial-gradient(900px 420px at 15% 0%, rgba(30,42,56,.08), transparent 60%),
    radial-gradient(800px 360px at 85% 20%, rgba(74,101,114,.08), transparent 60%),
    transparent;
}

/* stronger tint background */
.section--tint,
.home-section--tint{
  background:
    radial-gradient(900px 420px at 15% 0%, rgba(30,42,56,.10), transparent 62%),
    radial-gradient(700px 380px at 85% 15%, rgba(242,140,40,.12), transparent 60%),
    linear-gradient(180deg, var(--section-tint), #fff 60%);
  border-top: 1px solid rgba(30,42,56,.06);
  border-bottom: 1px solid rgba(30,42,56,.06);
}

/* accent bar under section titles */
.section-accent{
  width: 86px;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--ds-primary), var(--ds-accent));
  margin-top: 10px;
}

/* underline style for titles */
.h2-underline{
  position: relative;
  display: inline-block;
}

.h2-underline::after{
  content:"";
  display:block;
  width: 84px;
  height: 6px;
  margin-top: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--ds-primary), var(--ds-accent));
}


/* -------------------------
   5) Hero (homepage header)
   ------------------------- */
.hero-stage{
     position: relative;
     overflow: hidden;
     z-index: 0;
     min-height: 640px;
     padding-top: 0px;
     border-bottom: 1px solid rgba(30,42,56,.08);
   }

@supports (border-bottom-color: color-mix(in srgb, white 50%, transparent)) {
  .hero-stage{
    border-bottom-color: color-mix(in srgb, var(--border-base, var(--ds-primary)) 65%, transparent);
  }
}

.hero-media{
  width: 100%;
  height: clamp(360px, 46vw, 640px);
  object-fit: cover;
  display: block;
}

.hero-overlay{
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(30,42,56,.78) 0%, rgba(30,42,56,.42) 40%, rgba(30,42,56,.08) 72%),
    radial-gradient(900px 520px at 20% 20%, rgba(255,255,255,.08), transparent 60%);
  pointer-events: none;
}

.hero-panel{
  background: rgba(30,42,56,.28);
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: 0 18px 60px rgba(0,0,0,.22);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hero-badge{
  background: rgba(30,42,56,.45);
  border: 1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.88);
}

.hero-content .badge{
  background: rgba(30,42,56,.55) !important;
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(4px);
}

.hero-contact.card{
  border-radius: 16px;
  background: rgba(255,255,255,.94);
  box-shadow: var(--shadow);
  font-size: 1.4rem;
}


/* -------------------------
   6) Cards
   ------------------------- */
.card{
  border-radius: 16px;
}

.card.shadow-sm{
  box-shadow: var(--shadow) !important;
}

.card.card-stripe{
  position: relative;
  overflow: hidden;
}

.card.card-stripe::before{
  content:"";
  position:absolute;
  inset:0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--ds-primary), var(--ds-accent));
  opacity: .95;
}

.ratio > .bg-light{
  background: rgba(30,42,56,.05) !important;
}


/* -------------------------
   7) Services – service-card
   ------------------------- */
.service-card{
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 18px 55px rgba(30,42,56,.12);
  border: 1px solid rgba(30,42,56,.06);
  transition: transform .18s ease, box-shadow .18s ease;
  background: var(--surface-strong);
}

.service-card:hover{
  transform: translateY(-4px);
  box-shadow: 0 28px 70px rgba(30,42,56,.16);
}

.service-card__cover{
  height: 140px;
  position: relative;
  background:
    radial-gradient(500px 220px at 20% 20%, rgba(242,140,40,.22), transparent 60%),
    radial-gradient(520px 240px at 80% 35%, rgba(30,42,56,.20), transparent 60%),
    linear-gradient(135deg, rgba(30,42,56,.18), rgba(255,255,255,.72));
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.service-card__cover::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(180deg, rgba(255,255,255,0), rgba(255,255,255,.68));
}

.service-card__cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

.service-card__icon{
  position: absolute;
  left: 18px;
  bottom: -20px;
  width: 52px;
  height: 52px;
  border-radius: 8px;
  display:flex;
  align-items:center;
  justify-content:center;
  background: #fff;
  border: 1px solid rgba(30,42,56,.10);
  box-shadow: 0 14px 40px rgba(30,42,56,.12);
  color: var(--ds-primary);
  z-index: 1000;
}

.service-card__body{
  padding: 2.25rem 1.25rem 1.25rem;
}

.service-card__title{
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 0 0 .35rem;
}

.service-card__text{
  color: var(--text-muted, var(--ds-text-muted));
  margin: 0;
}


/* -------------------------
   8) Why-us tiles
   ------------------------- */
.feature-tile{
  border-radius: 16px;
  border: 1px solid rgba(30,42,56,.08);
  background: linear-gradient(180deg, #fff, rgba(245,247,250,.92));
  box-shadow: 0 12px 40px rgba(30,42,56,.08);
  padding: 1.1rem 1.1rem;
}

.feature-tile .title{
  font-weight: 850;
  letter-spacing: -0.01em;
}

.feature-tile .title::before{
  content:"";
  display:inline-block;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--ds-accent);
  margin-right: 10px;
  box-shadow: 0 0 0 5px rgba(242,140,40,.18);
}


/* -------------------------
   9) CTA band
   ------------------------- */
.cta-band{
  border-radius: 20px;
  padding: 26px;
  background:
    radial-gradient(600px 260px at 20% 10%, rgba(242,140,40,.16), transparent 60%),
    linear-gradient(135deg, rgba(30,42,56,.08), #fff);
  border: 1px solid rgba(30,42,56,.08);
  box-shadow: 0 18px 55px rgba(30,42,56,.10);
}

.badge.bg-project{
  border-radius: 999px;
  padding: .42rem .6rem;
}


/* -------------------------
   10) Accordion
   ------------------------- */
.accordion-item{
  border: 1px solid rgba(30,42,56,.08) !important;
  border-radius: 14px !important;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(30,42,56,.06);
}

.accordion-item + .accordion-item{
  margin-top: 12px;
}

.accordion-button{
  font-weight: 700;
  letter-spacing: -0.01em;
}

.accordion-button:not(.collapsed){
  background: rgba(30,42,56,.06) !important;
  color: var(--text-body, var(--ds-text)) !important;
  box-shadow: none !important;
}

.accordion-button:focus{
  box-shadow: 0 0 0 .2rem rgba(74,101,114,.22) !important;
}


/* -------------------------
   11) Breadcrumbs
   ------------------------- */
.breadcrumbs{
  font-size: .92rem;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

.breadcrumbs ol{
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  padding: 0;
  margin: 0;
}

.breadcrumbs li::after{
  content: "›";
  margin: 0 .4rem;
  color: rgba(30,42,56,.35);
}

.breadcrumbs li:last-child::after{
  content:"";
}

.breadcrumbs a{
  text-decoration: none;
  color: var(--ds-link);
}

.breadcrumbs a:hover{
  text-decoration: underline;
}


/* -------------------------
   12) CMS content baseline
   ------------------------- */
.cms-content{
  max-width: 760px;
  line-height: 1.65;
  font-size: 1rem;
}

.cms-content > * + *{
  margin-top: 1.2em;
}

.cms-content h1,
.cms-content h2,
.cms-content h3,
.cms-content h4,
.cms-content h5{
  line-height: 1.25;
  margin-top: 1.8em;
  margin-bottom: .6em;
  font-weight: 750;
}

.cms-content h1{ font-size: 2rem; }
.cms-content h2{ font-size: 1.6rem; }
.cms-content h3{ font-size: 1.3rem; }
.cms-content h4{ font-size: 1.1rem; }

.cms-content p{
  margin: 0;
}

.cms-content ul,
.cms-content ol{
  padding-left: 1.4em;
}

.cms-content li + li{
  margin-top: .4em;
}

.cms-content a{
  text-decoration: underline;
  color: var(--ds-link);
}

.cms-content img{
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(30,42,56,.12);
}

.cms-content table{
  width: 100%;
  border-collapse: collapse;
  font-size: .95rem;
}

.cms-content th,
.cms-content td{
  padding: .5em .6em;
  border-bottom: 1px solid rgba(30,42,56,.10);
  text-align: left;
}

.cms-content blockquote{
  border-left: 4px solid rgba(74,101,114,.35);
  background: rgba(30,42,56,.04);
  border-radius: 10px;
  padding: 10px 12px 10px 14px;
  margin: 0;
  color: rgba(26,26,26,.72);
  font-style: italic;
}

.cms-content hr{
  border: 0;
  height: 2px;
  background: rgba(30,42,56,.24);
  margin: 2em 0;
  opacity: 1 !important;
}


/* -------------------------
   13) Articles / Gallery grids
   ------------------------- */
.articles-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.article-card{
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.article-card img{
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
}

.article-card h3{
  font-size: 1.1rem;
  line-height: 1.3;
  margin: .5rem 0 0;
}

.article-card .muted{
  color: var(--text-muted, var(--ds-text-muted));
  font-size: .95rem;
}

.article-card a{
  text-decoration: none;
  color: inherit;
}

.article-card a:hover h3{
  text-decoration: underline;
}

.gallery-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.gallery-card{
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.gallery-card img{
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 12px;
}

.gallery-card h3{
  font-size: 1rem;
  margin: .4rem 0 0;
}

.gallery-card .muted{
  font-size: .85rem;
  color: var(--text-muted, var(--ds-text-muted));
}

.gallery-card a{
  text-decoration: none;
  color: inherit;
}

.gallery-card a:hover h3{
  text-decoration: underline;
}

.gallery-cats{
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1.5rem 0 1rem;
}

.gallery-cats .tag{
  font-size: .85rem;
  padding: .25rem .6rem;
  border: 1px solid rgba(30,42,56,.10);
  border-radius: 999px;
  background: rgba(30,42,56,.05);
  color: rgba(26,26,26,.78);
}


/* -------------------------
   14) Responsive tweaks
   ------------------------- */
@media (max-width: 991.98px){
  .section,
  .home-section{
    padding: 3.2rem 0;
  }

  .hero-media{
    height: clamp(320px, 62vw, 520px);
  }
}

@media (prefers-reduced-motion: reduce){
  .service-card{
    transition: none;
  }
  .service-card:hover{
    transform: none;
  }
}

.home-section.why-us{
  background-image: url("../images/section-why-us.webp");
  background-repeat: no-repeat;
  background-position: bottom center;
  background-size: cover;
}


/* ==========================================================================
   HERO vs NAVBAR
   ========================================================================== */

/* header musí být nad hero */
#site-header{
  z-index: 1100;
}

/* hero vrstvy pod headerem */
.hero-stage{
  position: relative;
  z-index: 0;
}

.hero-overlay{
  z-index: 0;
}

.hero-stage .hero-media{
  position: relative;
  z-index: 0;
}

.hero-stage .hero-content{
  position: relative;
  z-index: 1;
}

.hero-stage .hero-contact{
  position: relative;
  z-index: 1;
}

/* mobile */
@media (max-width: 991.98px){
  .hero-stage{
    min-height: auto;
    padding-top: 88px;
  }

  .hero-stage .hero-content{
    position: relative !important;
    top: auto !important;
    left: auto !important;
    transform: none !important;
    margin-top: 0.75rem;
  }

  .hero-stage > .position-absolute.bottom-0{
    position: relative !important;
  }

  .hero-stage .hero-contact{
    margin-top: 0.75rem;
  }
}

/* Poptavka */
.poptavka-section{
  position: relative;

  /* full background */
  background-image: url("../images/dokonalestrechy-footer.webp");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;

  /* výška sekce */
  min-height: 420px;
  display: flex;
  align-items: flex-end;
}

/* overlay kvůli čitelnosti */
.poptavka-section::before{
  content:"";
  position:absolute;
  inset:0;
  /*background: linear-gradient(
    90deg,
    rgba(20,30,40,.75),
    rgba(20,30,40,.25)
  );*/
}

/* obsah nad tím */
.poptavka-section .container{
  position: relative;
  z-index: 2;
  padding-top: 34rem;
  padding-bottom: 20rem;
}

/* Cookie/preferences button */
#open_preferences_center{
  background: var(--ds-secondary) none repeat scroll 0 0;
  bottom: 75px;
  color: #fff;
  right: 0px;
  cursor: pointer;
  height: 62px;
  line-height: 20px;
  position: fixed;
  text-align: center;
  -webkit-transition: all 140ms linear 0s;
  transition: all 140ms linear 0s;
  width: 70px;
  z-index: 1001;
  font-size: 12px;
  border-radius: 30px 0px 0px 30px;
  padding-top: 2px;
  box-shadow: 0 10px 30px rgba(30,42,56,.22);
}

#open_preferences_center:hover{
  background-color: var(--ds-accent);
  color: #fff;
}