/* ============================================================
   Trsťany i2-140 — dizajnový systém
   ============================================================ */

:root{
  --bg: #f7f4ef;
  --surface: #ffffff;
  --surface-2: #fbf8f3;
  --ink: #211d18;
  --ink-soft: #5c554a;
  --ink-faint: #8b8276;
  --accent: #bf5a30;
  --accent-dark: #953f1f;
  --accent-soft: #f3dcc6;
  --green: #3a5245;
  --green-soft: #e4ebe1;
  --line: #e6dece;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 9px;
  --shadow-md: 0 16px 34px -18px rgba(35, 26, 14, .28);
  --shadow-lg: 0 28px 60px -22px rgba(35, 26, 14, .35);
  --maxw: 1180px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", "Helvetica Neue", Arial, sans-serif;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; overflow-x: hidden; width: 100%; }
body{
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  width: 100%;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
h1,h2,h3,h4{ margin: 0 0 .5em; line-height: 1.15; letter-spacing: -0.01em; }
p{ margin: 0 0 1em; }
ul{ margin: 0; padding: 0; list-style: none; }
.wrap{ max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.soft{ color: var(--ink-soft); font-size: .95rem; }
.center{ text-align: center; }
.verify{
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: .85rem;
  font-weight: 600;
  display: inline-block;
  margin-top: 10px;
}

/* ---------- header ---------- */
.site-header{
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 244, 239, .82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand{
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 1.08rem; color: var(--ink);
}
.brand-mark{ color: var(--accent); display: inline-flex; }
.brand-code{ color: var(--accent-dark); }
.main-nav{ display: flex; align-items: center; gap: 26px; }
.main-nav a{ font-size: .93rem; color: var(--ink-soft); font-weight: 500; transition: color .15s; }
.main-nav a:hover{ color: var(--ink); }
.nav-cta{
  background: var(--accent); color: #fff !important; padding: 9px 18px; border-radius: 999px;
  font-weight: 600;
}
.nav-cta:hover{ background: var(--accent-dark); }
.nav-toggle{
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; background: none; border: none; cursor: pointer;
}
.nav-toggle span{ display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }

/* ---------- buttons ---------- */
.btn{
  display: inline-flex; align-items: center; justify-content: center;
  padding: 13px 26px; border-radius: 999px; font-weight: 600; font-size: .95rem;
  border: 1.5px solid transparent; cursor: pointer; transition: transform .15s, background .15s, color .15s, border-color .15s;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{ background: var(--accent); color: #fff; }
.btn-primary:hover{ background: var(--accent-dark); }
.btn-ghost{ background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.55); }
.btn-ghost:hover{ background: rgba(255,255,255,.24); }
.btn-outline{ background: transparent; color: var(--accent-dark); border-color: var(--accent); width: 100%; margin-top: 18px; }
.btn-outline:hover{ background: var(--accent); color: #fff; }

/* ---------- hero ---------- */
.hero{ position: relative; color: #fff; overflow: hidden; }
.hero-media{
  position: absolute; inset: 0;
  background-image: url("assets/stavba/hero-bg.jpg");
  background-size: cover; background-position: center 65%;
}
.hero-scrim{
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,16,10,.72) 0%, rgba(20,16,10,.55) 45%, rgba(20,16,10,.88) 100%);
}
.hero-inner{ position: relative; padding: 132px 24px 64px; }
.eyebrow{
  text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 700;
  color: var(--accent-soft); margin-bottom: 16px;
}
.hero h1{ font-size: clamp(2.1rem, 5vw, 3.4rem); max-width: 820px; }
.accent-underline{ text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 4px; text-underline-offset: 6px; }
.hero-lead{ font-size: 1.12rem; max-width: 620px; color: #ece6da; }
.hero-ctas{ display: flex; gap: 14px; flex-wrap: wrap; margin: 26px 0 40px; }
.hero-stats{
  display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; max-width: 780px;
  border-top: 1px solid rgba(255,255,255,.22); padding-top: 24px;
}
.hero-stats strong{ display: block; font-size: 1.5rem; font-weight: 700; }
.hero-stats span{ font-size: .82rem; color: #d8d0c1; }
.hero-note{ margin-top: 22px; font-size: .8rem; color: #cfc7b8; }
.hero-note a{ text-decoration: underline; }

/* ---------- generic section ---------- */
.section{ padding: 92px 0; }
.section h2{ font-size: clamp(1.6rem, 3vw, 2.2rem); }
.section-lead{ max-width: 640px; color: var(--ink-soft); font-size: 1.05rem; }
.section:nth-of-type(even){ background: var(--surface-2); }

/* ---------- renders ---------- */
.render-grid{ display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 20px; margin: 40px 0 18px; }
.render-card{ margin: 0; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-md); background: var(--surface); }
.render-card img{ width: 100%; aspect-ratio: 3 / 2; object-fit: cover; cursor: zoom-in; display: block; }
.render-card figcaption{ padding: 12px 16px; font-weight: 600; font-size: .92rem; color: var(--ink-soft); }

/* ---------- why ---------- */
.why-grid{ display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 20px; margin-top: 40px; }
.why-card{
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px 22px; box-shadow: var(--shadow-md);
}
.why-icon{
  font-family: Georgia, serif; font-size: 1.6rem; color: var(--accent); font-weight: 700; margin-bottom: 10px;
}
.why-card h3{ font-size: 1.08rem; }
.why-card p{ color: var(--ink-soft); font-size: .93rem; margin: 0; }

/* ---------- houses ---------- */
.house-grid{ display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 24px; margin-top: 40px; }
.house-card{
  background: var(--surface); border-radius: var(--radius-lg); padding: 32px;
  border: 1px solid var(--line); box-shadow: var(--shadow-md); position: relative;
}
.house-tag{
  display: inline-block; background: var(--green-soft); color: var(--green); font-weight: 700;
  font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; padding: 6px 12px; border-radius: 999px; margin-bottom: 14px;
}
.house-card h3{ font-size: 1.4rem; }
.house-facts{ margin-top: 18px; display: flex; flex-direction: column; gap: 12px; }
.house-facts li{ display: flex; align-items: flex-start; gap: 10px; font-size: .96rem; color: var(--ink-soft); }
.house-facts .ic{ color: var(--accent); flex-shrink: 0; width: 20px; height: 20px; margin-top: 1px; }
.house-facts strong{ color: var(--ink); }
.house-shared{ margin-top: 30px; color: var(--ink-soft); background: var(--surface); border: 1px dashed var(--line); border-radius: var(--radius-md); padding: 18px 22px; }

/* ---------- layout / dispozícia ---------- */
.layout-grid{ display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 24px; margin-top: 40px; }
.layout-card{ background: var(--surface); border-radius: var(--radius-lg); padding: 22px; border: 1px solid var(--line); box-shadow: var(--shadow-md); }
.layout-card img{ border-radius: var(--radius-md); border: 1px solid var(--line); margin-bottom: 18px; background: #fff; }
.layout-card h3{ font-size: 1.15rem; }
.layout-card h3 .soft{ font-weight: 400; font-size: .85rem; }
.room-table{ width: 100%; border-collapse: collapse; font-size: .92rem; margin-top: 10px; }
.room-table td{ padding: 7px 4px; border-bottom: 1px solid var(--line); color: var(--ink-soft); }
.room-table td:last-child{ text-align: right; font-weight: 600; color: var(--ink); }
.doc-link{ display: inline-block; margin-top: 16px; font-weight: 600; color: var(--accent-dark); border-bottom: 1.5px solid var(--accent); }
.parcel-map{ max-width: 460px; margin: 44px auto 0; border-radius: var(--radius-md); border: 1px solid var(--line); background: #fff; padding: 16px; }

/* ---------- pricing ---------- */
.price-grid{ display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 24px; margin-top: 40px; }
.price-card{ background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-md); }
.price-card--highlight{ border-color: var(--accent); box-shadow: var(--shadow-lg); position: relative; }
.price-card--highlight::before{
  content: "Odporúčané"; position: absolute; top: -12px; right: 28px; background: var(--accent); color: #fff;
  font-size: .72rem; font-weight: 700; padding: 4px 12px; border-radius: 999px; letter-spacing: .04em;
}
.price-tag{ text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; font-weight: 700; color: var(--ink-faint); }
.price-amount{ font-size: 2.2rem; font-weight: 700; margin: 6px 0 20px; color: var(--ink); }
.check-list{ display: flex; flex-direction: column; gap: 10px; }
.check-list li{ padding-left: 26px; position: relative; color: var(--ink-soft); font-size: .95rem; }
.check-list li::before{
  content: ""; position: absolute; left: 0; top: 6px; width: 14px; height: 14px; border-radius: 50%;
  background: var(--green-soft); border: 1.5px solid var(--green);
}
.budget-breakdown{ margin-top: 48px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow-md); }
.budget-row{ display: grid; grid-template-columns: minmax(0,190px) minmax(0,1fr) minmax(0,90px); align-items: center; gap: 14px; margin: 14px 0; font-size: .92rem; }
.budget-row span{ overflow-wrap: break-word; }
.budget-bar{ height: 9px; background: var(--surface-2); border-radius: 999px; overflow: hidden; border: 1px solid var(--line); }
.budget-bar i{ display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-dark)); border-radius: 999px; }
.budget-row b{ text-align: right; }

/* ---------- tech ---------- */
.tech-grid{ display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; margin-top: 40px; }
.tech-item{ background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px; box-shadow: var(--shadow-md); }
.ic-lg{ width: 30px; height: 30px; color: var(--accent); margin-bottom: 12px; }
.tech-item h4{ font-size: 1.02rem; }
.tech-item p{ color: var(--ink-soft); font-size: .9rem; margin: 0; }

/* ---------- timeline ---------- */
.timeline-scroll{ overflow-x: auto; margin: 40px -24px 0; padding: 0 24px 12px; scrollbar-width: thin; }
.timeline-track{ display: flex; gap: 18px; position: relative; }
.timeline-item{
  flex: 0 0 260px; margin: 0; background: var(--surface); border-radius: var(--radius-md); overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow-md); cursor: zoom-in;
}
.timeline-item img{ height: 180px; width: 100%; object-fit: cover; }
.timeline-item figcaption{ padding: 12px 14px 16px; font-size: .85rem; color: var(--ink-soft); }
.timeline-item time{ display: block; font-weight: 700; color: var(--accent-dark); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 4px; }

/* ---------- full gallery (NAS) ---------- */
.full-gallery{ margin-top: 56px; border-top: 1px solid var(--line); padding-top: 40px; }
.full-gallery h3{ font-size: 1.2rem; }
.gallery-grid{
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px;
  margin: 22px 0 18px;
}
.gallery-grid img{
  width: 100%; height: 150px; object-fit: cover; border-radius: var(--radius-sm);
  border: 1px solid var(--line); cursor: zoom-in; background: var(--surface-2);
}
#nasGalleryMore{ display: block; width: auto; margin: 6px auto 0; }
.gallery-error{ color: var(--accent-dark); }

/* ---------- location ---------- */
.location-grid{ display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
.location-grid .check-list{ margin-top: 18px; }
.map-embed{ border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-md); aspect-ratio: 4/3; }
.map-embed iframe{ width: 100%; height: 100%; border: 0; }

/* ---------- contact ---------- */
.section.cta-contact{ background: var(--ink); color: #f3ede2; }
.cta-contact h2{ color: #fff; }
.cta-contact p{ color: #cfc6b6; }
.contact-person strong{ color: #fff; }
.contact-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-methods{ display: flex; flex-direction: column; gap: 12px; margin-top: 22px; }
.contact-btn{
  display: flex; align-items: center; gap: 12px; background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius-md); padding: 14px 18px;
  font-weight: 600; transition: background .15s;
}
.contact-btn:hover{ background: rgba(255,255,255,.14); }
.contact-btn .ic{ width: 20px; height: 20px; color: var(--accent-soft); flex-shrink: 0; }
.cta-contact .verify{ background: rgba(191,90,48,.18); color: var(--accent-soft); }
.cta-contact .verify code{ background: rgba(0,0,0,.25); padding: 2px 5px; border-radius: 4px; }

.contact-form{
  background: #2a251d; border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-lg);
  padding: 28px; display: flex; flex-direction: column; gap: 14px;
}
.contact-form label{ font-size: .85rem; color: #d8d0c1; display: flex; flex-direction: column; gap: 6px; font-weight: 600; }
.contact-form input, .contact-form select, .contact-form textarea{
  background: #1f1b15; border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius-sm);
  padding: 11px 13px; color: #fff; font-family: inherit; font-size: .95rem; font-weight: 400;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus{ outline: 2px solid var(--accent); }
.form-note{ font-size: .78rem; color: #a99f8e; margin: 0; }
.form-actions{ display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- footer ---------- */
.site-footer{ background: #171310; color: #b6ab98; padding: 28px 0; font-size: .82rem; }
.footer-inner p{ margin: 0 0 6px; }

/* ---------- lightbox ---------- */
.lightbox{
  position: fixed; inset: 0; background: rgba(10,8,5,.92); display: flex; align-items: center; justify-content: center;
  z-index: 200; padding: 40px;
}
.lightbox[hidden]{ display: none; }
.lightbox img{ max-width: 100%; max-height: 100%; border-radius: 10px; }
.lightbox-close{
  position: absolute; top: 22px; right: 26px; background: rgba(255,255,255,.12); color: #fff; border: none;
  width: 42px; height: 42px; border-radius: 50%; font-size: 1.5rem; cursor: pointer;
}

/* ---------- reveal on scroll ---------- */
.reveal{ opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity: 1; transform: none; transition: none; }
  html{ scroll-behavior: auto; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px){
  .why-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .tech-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .location-grid{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
}

@media (max-width: 760px){
  .main-nav{
    position: fixed; top: 68px; left: 0; right: 0; bottom: 0; width: 100%; max-width: 100vw;
    background: var(--bg); flex-direction: column; align-items: flex-start;
    padding: 26px 24px; gap: 20px; transform: translateX(100%); transition: transform .25s ease; overflow-y: auto;
    z-index: 60;
  }
  .main-nav.is-open{ transform: translateX(0); }
  .main-nav a{ font-size: 1.05rem; }
  .nav-cta{ width: 100%; text-align: center; }
  .nav-toggle{ display: flex; }

  .hero-inner{ padding: 108px 20px 48px; }
  .hero-stats{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .section{ padding: 64px 0; }

  .why-grid, .house-grid, .layout-grid, .price-grid, .tech-grid, .render-grid{ grid-template-columns: 1fr; }
  .budget-row{ grid-template-columns: minmax(0,110px) minmax(0,1fr) minmax(0,66px); font-size: .8rem; }
  .price-card--highlight::before{ right: auto; left: 28px; }
}

@media (max-width: 480px){
  .hero-stats{ grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
  .timeline-item{ flex-basis: 220px; }
}