/* =====================================================
   Zahrady Pešina – styles
   ===================================================== */

:root{
  --bg-dark:        #0f1410;
  --bg-card:        #1a1f1b;
  --surface:        #242b25;
  --accent:         #4a7c59;
  --accent-bright:  #6aab7a;
  --text-primary:   #f0ede8;
  --text-muted:     #8a9188;
  --border:         #2e3830;

  --radius:         2px;
  --radius-lg:      4px;

  --container:      1440px;
  --pad:            clamp(20px, 4vw, 48px);
  --nav-h:          84px;         /* výška fixní navigace — používá hero + scroll-padding */

  --font-display:   "Playfair Display", Georgia, serif;
  --font-body:      "DM Sans", system-ui, -apple-system, sans-serif;

  --transition:     180ms cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:0}

/*
  Sekce mají vlastní 96px padding-top (dost na nav 84px).
  Na mobilu jsou 72px — menší než 76px nav → přidáme scroll-margin, aby nadpis
  po kliknutí na menu nezmizel pod navigací.
*/
.card[id]{scroll-margin-top:calc(var(--nav-h, 84px) + 16px)}
body{
  margin:0;
  background:var(--bg-dark);
  color:var(--text-primary);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent-bright)}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--pad);
}

/* ---------- Typography ---------- */
h1,h2,h3{
  font-family:var(--font-display);
  font-weight:600;
  letter-spacing:-0.01em;
  line-height:1.15;
  margin:0;
}

.section-head{margin-bottom:48px;max-width:680px}
.section-head__eyebrow{
  font-family:var(--font-body);
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent-bright);
  margin:0 0 12px;
}
.section-head__title{
  font-size:clamp(1.8rem, 3.6vw, 2.8rem);
  margin:0 0 8px;
}
.section-head__sub{color:var(--text-muted);margin:12px 0 0}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:var(--radius);
  font-weight:600;
  font-size:.95rem;
  letter-spacing:.01em;
  transition:all var(--transition);
  border:1px solid transparent;
  white-space:nowrap;
  line-height:1;
}
.btn--accent{
  background:var(--accent);
  color:var(--text-primary);
}
.btn--accent:hover{
  background:var(--accent-bright);
  color:#0f1410;
  transform:translateY(-1px);
}
.btn--ghost{
  background:transparent;
  color:var(--text-primary);
  border-color:var(--border);
}
.btn--ghost:hover{
  border-color:var(--accent-bright);
  color:var(--accent-bright);
}
.btn--lg{padding:16px 28px;font-size:1rem}

/* ---------- Navigation ---------- */
.nav{
  position:fixed;
  inset:0 0 auto 0;
  z-index:100;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  background:rgba(15,20,16,0.72);
  border-bottom:1px solid transparent;
  transition:background var(--transition), border-color var(--transition);
}
.nav.is-scrolled{
  background:rgba(15,20,16,0.92);
  border-bottom-color:var(--border);
}
.nav__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:var(--nav-h);
}
.nav__logo{
  display:inline-flex;
  align-items:center;
  line-height:0;
}
.nav__logo-img{
  height:52px;
  width:auto;
  display:block;
  /* Přirozená barva loga – odpovídá brand zeleni --accent (#4a7c59). */
}
.nav__links{
  display:flex;
  gap:26px;
  font-size:.95rem;
  margin-left:auto;
  margin-right:24px;
}
.nav__links a{color:var(--text-muted);font-weight:500}
.nav__links a:hover{color:var(--text-primary)}

.nav__actions{display:flex;align-items:center;gap:14px}
.nav__phone{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.9rem;color:var(--text-muted);
}
.nav__phone:hover{color:var(--accent-bright)}
.nav__phone-num{font-variant-numeric:tabular-nums}

.nav__burger{
  display:none;
  width:40px;height:40px;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
  border:1px solid var(--border);border-radius:var(--radius);
}
.nav__burger span{width:18px;height:1.5px;background:var(--text-primary);transition:all var(--transition)}

.nav__mobile{
  display:none;
  flex-direction:column;
  padding:16px var(--pad) 24px;
  border-top:1px solid var(--border);
  background:rgba(15,20,16,0.98);
}
.nav__mobile a{
  padding:14px 0;
  border-bottom:1px solid var(--border);
  color:var(--text-primary);
  font-weight:500;
}
.nav__mobile-phone{color:var(--accent-bright)!important}
.nav__mobile[hidden]{display:none}
.nav__mobile.is-open{display:flex}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:min(92vh, 820px);
  display:flex;
  align-items:flex-start;       /* content začíná pod padding-top; žádný overflow nahoru */
  padding-top:calc(var(--nav-h, 84px) + 64px);  /* nav výška + pohodlná mezera */
  padding-bottom:80px;
  overflow:hidden;
  isolation:isolate;
}
.hero__bg{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(74,124,89,0.22), transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(15,20,16,0.9), transparent 60%),
    linear-gradient(180deg, rgba(15,20,16,0.55) 0%, rgba(15,20,16,0.88) 55%, #0f1410 100%),
    url('https://images.unsplash.com/photo-1558904541-efa843a96f01?q=80&w=2000&auto=format&fit=crop');
  background-size:cover;
  background-position:center;
}
.hero__content{max-width:1100px;position:relative}
.hero__eyebrow{
  font-size:.8rem;font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent-bright);
  margin:0 0 24px;
}
.hero__title{
  font-size:clamp(2.2rem, 5.2vw, 4.4rem);
  line-height:1.08;
  margin:0 0 28px;
}
.hero__lead{
  font-size:clamp(1.05rem, 1.6vw, 1.25rem);
  color:var(--text-muted);
  max-width:620px;
  margin:0 0 40px;
}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px}
.hero__scroll{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  color:var(--text-muted);font-size:1.4rem;
  animation:bob 2.4s ease-in-out infinite;
}
@keyframes bob{
  0%,100%{transform:translate(-50%, 0)}
  50%{transform:translate(-50%, 6px)}
}

/* ---------- Intro banner ---------- */
.intro{padding:64px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.intro__text{
  max-width:880px;
  font-size:clamp(1.05rem, 1.5vw, 1.2rem);
  color:var(--text-primary);
  margin:0;
}
.intro__text strong{color:var(--accent-bright);font-weight:600}

/* ---------- Sections spacing ---------- */
section{padding:96px 0}
/* .hero si padding definuje sám (včetně nav-h offsetu výše) */
section.intro{padding:64px 0}

/* ---------- Section backgrounds (atmosférické fotky s tmavým overlay) ---------- */
.services,
.why,
.area{
  position:relative;
  isolation:isolate;
}
.services::before,
.why::before,
.area::before{
  content:"";
  position:absolute;inset:0;z-index:-1;
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  /* Tmavý gradient overlay pro čitelnost obsahu */
  background-image:
    linear-gradient(180deg, rgba(15,20,16,0.92) 0%, rgba(15,20,16,0.82) 50%, rgba(15,20,16,0.95) 100%),
    var(--section-bg-image);
}
.services{--section-bg-image:url('images/section-bg-services.jpg')}
.why     {--section-bg-image:url('images/section-bg-why.jpg')}
.area    {--section-bg-image:url('images/section-bg-area.jpg')}

/* ---------- Services ---------- */
.services__grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(300px, 1fr));
  gap:24px;
}
.card{
  background:var(--bg-card);
  padding:36px 32px;
  border-radius:var(--radius-lg);
  border-left:3px solid var(--accent);
  transition:transform var(--transition), border-color var(--transition), background var(--transition);
  position:relative;
}
.card:hover{
  transform:translateY(-3px);
  border-left-color:var(--accent-bright);
  background:var(--surface);
}
.card__icon{
  color:var(--accent-bright);
  margin-bottom:20px;
}
.card__title{
  font-size:1.5rem;
  margin:0 0 12px;
  line-height:1.25;
}
.card__lead{color:var(--text-muted);margin:0 0 20px}
.card__list{
  list-style:none;
  padding:0;margin:0;
  font-size:.95rem;
}
.card__list li{
  padding:7px 0 7px 18px;
  position:relative;
  color:var(--text-primary);
}
.card__list li::before{
  content:"";
  position:absolute;left:0;top:17px;
  width:8px;height:1px;background:var(--accent-bright);
}

/* ---------- Gallery ---------- */
.gallery{background:#0c110d}
.gallery__grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:16px;
}
.gallery__item{
  position:relative;
  aspect-ratio: 4 / 3;
  margin:0;
  overflow:hidden;
  border-radius:var(--radius-lg);
  background-color:var(--surface);
  background-size:cover;
  background-position:center;
  cursor:pointer;
  transition:transform var(--transition);
}
.gallery__item::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg, transparent 40%, rgba(15,20,16,0.9) 100%);
  transition:background var(--transition);
}
.gallery__item:hover{transform:scale(1.01)}
.gallery__item:hover::after{
  background:linear-gradient(180deg, rgba(15,20,16,0.25) 0%, rgba(15,20,16,0.95) 100%);
}
.gallery__item figcaption{
  position:absolute;
  left:20px;bottom:18px;
  z-index:1;
  font-family:var(--font-display);
  font-size:1.15rem;
  font-weight:600;
  color:var(--text-primary);
}

/* AI-generated showcase photos (pollinations.ai, uloženo lokálně) */
/* DOPLNIT FOTOGRAFIE: nahradit reálnými snímky z realizací */
.gallery__item--1{background-image:url('images/gallery-1.jpg')}
.gallery__item--2{background-image:url('images/gallery-2.jpg')}
.gallery__item--3{background-image:url('images/gallery-3.jpg')}
.gallery__item--4{background-image:url('images/gallery-4.jpg')}
.gallery__item--5{background-image:url('images/gallery-5.jpg')}
.gallery__item--6{background-image:url('images/gallery-6.jpg')}

/* ---------- Why us ---------- */
/* .why bg řešíme přes ::before pseudo výše (section backgrounds) */
.why__grid{
  list-style:none;padding:0;margin:0;
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));
  gap:20px 40px;
}
.why__grid li{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 0;
  border-bottom:1px solid var(--border);
  font-size:1.05rem;
}
.why__check{
  flex:0 0 auto;
  width:28px;height:28px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--accent);
  color:var(--accent-bright);
  font-weight:700;
  border-radius:var(--radius);
}

/* ---------- About ---------- */
.about{background:#0c110d}
.about__grid{
  display:grid;
  grid-template-columns:1.3fr 1fr;
  gap:60px;
  align-items:start;
}
.about__text{
  font-size:clamp(1rem, 1.3vw, 1.1rem);
  color:var(--text-primary);
  margin:16px 0 0;
  max-width:560px;
}
.about__clients{
  background:var(--bg-card);
  padding:32px 28px;
  border-radius:var(--radius-lg);
  border-left:3px solid var(--accent);
}
.about__clients-title{
  font-family:var(--font-display);
  font-size:1.25rem;
  font-weight:600;
  margin:0 0 18px;
}
.about__clients ul{list-style:none;padding:0;margin:0}
.about__clients li{
  display:flex;align-items:center;gap:12px;
  padding:12px 0;
  border-bottom:1px solid var(--border);
  color:var(--text-primary);
}
.about__clients li:last-child{border-bottom:none}
.about__clients li span{font-size:1.2rem}

/* ---------- Area ---------- */
.area__grid{
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:48px;
  align-items:center;
}
.area__map{
  background:var(--bg-card);
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  overflow:hidden;
  margin:0;
  padding:0;
  line-height:0;
  position:relative;
  isolation:isolate;
}
.area__map img{
  width:100%;
  height:auto;
  display:block;
  /* Dark mode trik: invert zamění světlou a tmavou, hue-rotate vrátí barvy zpět
     (světlé pozadí → tmavé, tmavá písma → světlá). Saturate tlumí "neon" efekt. */
  filter:invert(0.92) hue-rotate(180deg) saturate(0.55) brightness(0.95);
}
/* Zelený tint overlay – ladí mapu do brand palety (jemná zelená přes mapu) */
.area__map::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg, rgba(74,124,89,0.18), rgba(15,20,16,0.22));
  mix-blend-mode:multiply;
  pointer-events:none;
  z-index:1;
}
.area__list{list-style:none;padding:0;margin:0 0 20px}
.area__list li{
  display:flex;align-items:center;gap:12px;
  padding:14px 0;
  border-bottom:1px solid var(--border);
  font-size:1.15rem;
  font-weight:500;
}
.area__dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--accent-bright);
  box-shadow:0 0 0 4px rgba(106,171,122,0.18);
}
.area__note{color:var(--text-muted);margin:0}

/* ---------- Contact ---------- */
.contact{background:#0c110d}
.contact__grid{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:56px;
  align-items:start;
}
.contact__lead{color:var(--text-muted);margin:16px 0 28px}
.contact__details{
  list-style:none;padding:0;margin:0;
}
.contact__details li{
  display:flex;flex-direction:column;gap:4px;
  padding:16px 0;
  border-bottom:1px solid var(--border);
}
.contact__label{
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.15em;
  text-transform:uppercase;
  color:var(--text-muted);
}
.contact__details a{font-size:1.1rem;font-weight:500}

/* ---------- Form ---------- */
.form{
  background:var(--bg-card);
  padding:36px 32px;
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
}
.form__honey{position:absolute;left:-9999px;opacity:0;pointer-events:none}
.form__row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.form__field{display:block;margin-bottom:16px}
.form__field > span{
  display:block;
  font-size:.85rem;font-weight:600;
  color:var(--text-primary);
  margin-bottom:6px;
}
.form__field input,
.form__field textarea{
  width:100%;
  padding:12px 14px;
  background:var(--bg-dark);
  color:var(--text-primary);
  border:1px solid var(--border);
  border-radius:var(--radius);
  font:inherit;
  transition:border-color var(--transition), background var(--transition);
}
.form__field input:focus,
.form__field textarea:focus{
  outline:none;
  border-color:var(--accent-bright);
  background:#0c110d;
}
.form__field input:user-invalid,
.form__field textarea:user-invalid{border-color:#b85454}
.form__field textarea{resize:vertical;min-height:120px}
.form__field--file input{padding:10px 14px;cursor:pointer}
.form__hint{color:var(--text-muted);font-size:.8rem;margin-top:6px;display:block}
.form__submit{width:100%;margin-top:8px}
.form__status{
  margin:14px 0 0;font-size:.9rem;color:var(--text-muted);min-height:1.4em;
}
.form__status.is-success{color:var(--accent-bright)}
.form__status.is-error{color:#d88080}
.form__consent{
  color:var(--text-muted);
  font-size:.82rem;
  margin:14px 0 0;
}
.form__consent a{text-decoration:underline;color:var(--text-muted)}

/* ---------- Footer ---------- */
.footer{
  padding:32px 0;
  border-top:1px solid var(--border);
  background:var(--bg-dark);
  color:var(--text-muted);
  font-size:.85rem;
}
.footer__inner{
  display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;align-items:center;
}
.footer a{color:var(--text-muted)}
.footer a:hover{color:var(--accent-bright)}

/* ---------- Cookie banner ---------- */
.cookies{
  position:fixed;
  left:20px;right:20px;bottom:20px;
  z-index:200;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:20px 24px;
  box-shadow:0 20px 40px rgba(0,0,0,0.4);
  max-width:720px;margin:0 auto;
}
.cookies[hidden]{display:none}
.cookies__inner{
  display:flex;gap:20px;flex-wrap:wrap;
  align-items:center;justify-content:space-between;
}
.cookies__inner p{margin:0;font-size:.92rem;color:var(--text-primary);flex:1 1 300px}
.cookies__actions{display:flex;gap:10px}

/* ---------- Responsive ---------- */
@media (max-width: 960px){
  .about__grid,
  .area__grid,
  .contact__grid{grid-template-columns:1fr;gap:32px}
  .gallery__grid{grid-template-columns:repeat(2, 1fr)}
}

@media (max-width: 720px){
  .nav__inner{height:76px}
  .nav__logo-img{height:48px}
  .nav__links,
  .nav__phone-num{display:none}
  .nav__burger{display:flex}
  .nav__actions{gap:8px}
  .nav__actions .btn{padding:10px 14px;font-size:.85rem}
}
/* Zajištění viditelné levé mezery u loga na úzkých viewportech (iOS safe-area) */
@media (max-width: 720px){
  :root{--nav-h:76px}

  /* Mobilní sekce mají jen 72px padding-top, tedy méně než 76px nav.
     Scroll-margin zajistí, že po kliknutí na menu je nadpis 20px pod navem. */
  section[id]:not(.hero){scroll-margin-top:20px}

  .nav .container{padding-left:max(16px, env(safe-area-inset-left));padding-right:max(16px, env(safe-area-inset-right))}

  section{padding:72px 0}
  .hero{padding-bottom:60px;min-height:auto}

  .form__row{grid-template-columns:1fr}
  .form{padding:28px 22px}

  .gallery__grid{grid-template-columns:1fr}
  .cookies{left:12px;right:12px;bottom:12px;padding:16px}
  .cookies__actions{width:100%;justify-content:flex-end}
}

@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}