/* css/styles.css */
:root{
  --max: 1120px;
  --pad: 16px;
  --radius: 18px;

  --blue: #1E5FA8;
  --dark: #0F172A;
  --muted: #475569;
  --line: #E6EAF2;
  --bg: #ffffff;
  --alt: #F6F8FB;

  /* HERO image injected by JS (fallback below) */
  --hero-img: url('../assets/img/hero.jpg');
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--dark);
  background: var(--bg);
  line-height: 1.55;
}

.container{ width: min(var(--max), 100% - 2*var(--pad)); margin: 0 auto; }
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; }
h1,h2,h3{ margin: 0 0 10px; line-height: 1.15; }
.lead{ color: var(--muted); margin: 0 0 18px; }

.prose p{ margin: 0 0 12px; }
.note{ margin: 14px 0 0; color: var(--muted); font-size: .95rem; }
code{ background: #eef2ff; padding: 2px 6px; border-radius: 8px; }

/* header */
.header{
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header__inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
}
.brand__logo{ height: 44px; width: auto; }

/* nav */
.nav{
  display: none;
  align-items: center;
  gap: 14px;
}
.nav a{
  padding: 10px 10px;
  border-radius: 12px;
  font-weight: 900;
  letter-spacing: .02em;
  font-size: .95rem;
  color: var(--blue);
}
.nav a:hover{
  background: var(--alt);
  text-decoration: none;
  color: var(--dark);
}

.nav__cta{
  background: var(--blue);
  color: #fff;
}
.nav__cta:hover{ background: var(--blue); color: #fff }

.nav-toggle{
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 900;
  cursor: pointer;
}
.nav--open{
  display: flex;
  flex-direction: column;
  position: absolute;
  right: var(--pad);
  top: 64px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
  min-width: 220px;
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
}
.nav--disabled{
  opacity: .45;
  cursor: default;
  pointer-events: none;
}

/* HERO (image + gradient overlay) */
.hero{
  position: relative;
  padding: 44px 0;
  overflow: hidden;
}

.hero__bg{
  position: absolute;
  inset: 0;
  background:
    /* jemný brandový modrý akcent */
    linear-gradient(
      90deg,
      rgba(30,95,168,.45) 0%,
      rgba(30,95,168,.25) 35%,
      rgba(30,95,168,.10) 60%,
      rgba(30,95,168,0) 80%
    ),
    /* původní tmavo-šedý technický základ */
    linear-gradient(
      90deg,
      rgba(15,23,42,.70) 0%,
      rgba(15,23,42,.40) 45%,
      rgba(15,23,42,.15) 70%,
      rgba(15,23,42,0) 100%
    ),
    var(--hero-img);
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
  filter: saturate(1.03) contrast(1.05);
}


.hero__bg::after{
  content: "";
  position: absolute;
  inset: 0;
  /* jemný přechod dolů pro čitelnost */
  background: linear-gradient(180deg, rgba(15,23,42,.15) 0%, rgba(15,23,42,0) 55%);
}
.hero__inner{
  position: relative;
  display: grid;
  gap: 18px;
  align-items: center;
}
.hero__text{
  color: #fff;
  max-width: 60ch;
}
.hero__text h1{
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 10px;
}
.hero__lead{
  color: rgba(255,255,255,.9);
  margin: 0;
  font-size: 1.05rem;
}
.hero__actions{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.hero__media{
  display: none; /* v tomto řešení je hero obrázek na pozadí */
}

/* buttons */
.btn{
  display: inline-block;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--blue);
  background: var(--blue);
  color: #fff;
  font-weight: 900;
}
.btn--ghost{
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.25);
  color: #fff;
}
.btn--ghost:hover{ text-decoration: none; }

/* sections */
.section{ padding: 52px 0; }
.section--alt{
  background: var(--alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* cards */
.cards{
  margin-top: 18px;
  display: grid;
  gap: 14px;
}
.card{
  background: var(--alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}
.card p{ color: var(--muted); margin: 0; }

/* tiles */
.grid{
  margin-top: 18px;
  display: grid;
  gap: 14px;
}
.tile{
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}
.tile p{ color: var(--muted); margin: 0; }

/* TECHNICKÝ PARK */
.fleet-grid{
  display: grid;
  gap: 14px;
  margin-top: 16px;
}
.fleet-card{
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.fleet-card__img{
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}
.fleet-card__body{ padding: 14px; }
.fleet-card__title{ margin: 0 0 8px; }
.fleet-card__list{
  margin: 0 0 12px;
  padding-left: 18px;
  color: var(--muted);
}
.fleet-card__btn{ width: 100%; text-align: center; }

/* References */
.ref-logos{
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.ref-logos img{
  width: 100%;
  height: 78px;
  object-fit: contain;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

/* Contact */
.contact{
  margin-top: 16px;
  display: grid;
  gap: 18px;
}
.contact__info p{ margin: 0 0 10px; }
.contact__form{ display: grid; gap: 12px; }
label{ display: grid; gap: 6px; font-weight: 900; }
input, textarea{
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}
.form-note{ margin: 0; color: var(--muted); font-size: .95rem; }

/* Footer */
.footer{
  border-top: 1px solid var(--line);
  padding: 18px 0;
}
.footer__inner{
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* MODAL galerie */
.modal{
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
}
.modal--open{ display: block; }
.modal__backdrop{
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.55);
}
.modal__panel{
  position: relative;
  width: min(1100px, calc(100% - 24px));
  margin: 18px auto;
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}
.modal__head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}
.modal__title{ font-weight: 900; }
.modal__meta{ color: var(--muted); font-size: .95rem; }
.modal__close{
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 6px 10px;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.modal__body{
  display: grid;
  grid-template-columns: 56px 1fr 56px;
  align-items: center;
  gap: 10px;
  padding: 12px;
}
.modal__figure{
  margin: 0;
  border-radius: 14px;
  border: 1px solid var(--line);
  overflow: hidden;
  background: #fff;
}
.modal__figure img{
  width: 100%;
  height: min(62vh, 560px);
  object-fit: contain;
  display: block;
}
.modal__nav{
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 14px;
  height: 56px;
  width: 56px;
  font-size: 32px;
  cursor: pointer;
}
.modal__thumbs{
  display: flex;
  gap: 8px;
  padding: 12px;
  overflow-x: auto;
  border-top: 1px solid var(--line);
}
.thumb{
  border: 2px solid transparent;
  padding: 0;
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
}
.thumb img{
  width: 86px;
  height: 64px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--line);
}
.thumb--active{ border-color: var(--blue); }

/* Responsive */
@media (min-width: 780px){
  .nav{ display: flex; }
  .nav-toggle{ display: none; }

  .hero{ padding: 70px 0; }
  .hero__inner{ grid-template-columns: 1.1fr .9fr; }
  .cards{ grid-template-columns: repeat(3, 1fr); }
  .grid{ grid-template-columns: repeat(2, 1fr); }

  .fleet-grid{ grid-template-columns: repeat(2, 1fr); }
  .fleet-card__img{ height: 240px; }

  .ref-logos{ grid-template-columns: repeat(4, 1fr); }
  .ref-logos img{ height: 86px; }

  .contact{ grid-template-columns: .9fr 1.1fr; align-items: start; }
}

@media (min-width: 1080px){
  .fleet-grid{ grid-template-columns: repeat(3, 1fr); }
  .ref-logos{ grid-template-columns: repeat(6, 1fr); }
}

.fleet-card__imglink{
  display: block;
  cursor: pointer;
}
.fleet-card__imglink:hover .fleet-card__img{
  transform: scale(1.02);
}
.fleet-card__img{
  transition: transform .18s ease;
}

section{
  scroll-margin-top: 50px;
}

@media (max-width: 780px){
  section{
    scroll-margin-top: 50px;
  }
}

section h2{
  color: var(--blue);
}

section h3{
  color: rgba(30,95,168,0.78);  /* odpovídá #1E5FA8*/
}

/* --- Hamburgers (jonsuh) – SPIN (upraveno na vaše barvy) --- */
.hamburger{
  padding: 10px 12px;           /* sladí s vaším tlačítkem */
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background-color: transparent;
  border: 1px solid var(--line); /* aby to vypadalo jako původní tlačítko */
  border-radius: 12px;
}

.hamburger-box{
  width: 24px;
  height: 18px;
  display: inline-block;
  position: relative;
}

.hamburger-inner{
  display: block;
  top: 50%;
  margin-top: -2px;
}

.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after{
  width: 24px;
  height: 2px;
  background-color: var(--dark);
  border-radius: 2px;
  position: absolute;
  transition-property: transform, top, bottom, opacity;
  transition-duration: .15s;
  transition-timing-function: ease;
}

.hamburger-inner::before,
.hamburger-inner::after{
  content: "";
  display: block;
}

.hamburger-inner::before{ top: -8px; }
.hamburger-inner::after{ bottom: -8px; }

/* Hover (volitelné) – modrá */
.hamburger:hover .hamburger-inner,
.hamburger:hover .hamburger-inner::before,
.hamburger:hover .hamburger-inner::after{
  background-color: var(--blue);
}

/* SPIN animace */
.hamburger--spin .hamburger-inner{
  transition-duration: .22s;
  transition-timing-function: cubic-bezier(.55,.055,.675,.19);
}

.hamburger--spin .hamburger-inner::before{
  transition: top .1s .25s ease-in, opacity .1s ease-in;
}

.hamburger--spin .hamburger-inner::after{
  transition: bottom .1s .25s ease-in, transform .22s cubic-bezier(.55,.055,.675,.19);
}

/* Aktivní stav (otevřeno) */
.hamburger--spin.is-active .hamburger-inner{
  transform: rotate(225deg);
  transition-delay: .12s;
  transition-timing-function: cubic-bezier(.215,.61,.355,1);
}

.hamburger--spin.is-active .hamburger-inner::before{
  top: 0;
  opacity: 0;
  transition: top .1s ease-out, opacity .1s .12s ease-out;
}

.hamburger--spin.is-active .hamburger-inner::after{
  bottom: 0;
  transform: rotate(-90deg);
  transition: bottom .1s ease-out, transform .22s .12s cubic-bezier(.215,.61,.355,1);
}

/* Desktop: hamburger skrýt, i když má třídu .hamburger */
@media (min-width: 780px){
  .nav-toggle.hamburger{
    display: none !important;
  }
}

/* aktivní položka v hlavním menu */
.nav a.is-active{
  color: var(--dark);
  background: var(--alt);
}

/* Technický park – modré tlačítko "Zobrazit galerii" */
.fleet-card__btn{
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.fleet-card__btn:hover{
  text-decoration: none;
  filter: brightness(0.92);
}

/* Naše služby – layout + slider */
.services-layout{
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.services-slider{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  min-height: 260px;
}

.services-slide{
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  opacity: 0;
  transition: opacity .5s ease;
}

.services-slide.is-visible{
  opacity: 1;
}

@media (min-width: 780px){
  .services-layout{
    grid-template-columns: 1.2fr .8fr;
    align-items: start;
  }
  .services-slider{
    position: sticky;
    top: 92px; /* aby to nelezlo pod sticky header */
  }
}