/* ==========================================================================
   IDEEHOUSE Nářezové centrum — redesign
   Minimalistický design inspirovaný ideehouseinterior.cz
   ========================================================================== */

/* ---- Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Jost:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

/* ---- Design tokens ---- */
:root{
  --c-bg:            #ffffff;
  --c-bg-soft:       #f6f5f2;
  --c-ink:           #17181a;
  --c-ink-soft:      #5c5f63;
  --c-line:          #e7e5e0;
  --c-accent:        #a8813f;
  --c-accent-dark:   #8a6a30;
  --c-dark:          #17181a;
  --c-dark-soft:     #2a2c2f;
  --c-white:         #ffffff;

  --font-head: 'Jost', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  --container: 1180px;
  --gap: clamp(1.25rem, 3vw, 2.5rem);
  --radius: 2px;

  --header-h: 84px;
}

/* ---- Reset ---- */
*, *::before, *::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--c-ink);
  background:var(--c-bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{
  font-family:var(--font-head);
  font-weight:600;
  line-height:1.15;
  margin:0 0 .6em;
  letter-spacing:.01em;
}
p{ margin:0 0 1em; color:var(--c-ink-soft); overflow-wrap:break-word; }
h1,h2,h3,h4{ overflow-wrap:break-word; }
button{ font-family:inherit; cursor:pointer; }

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 clamp(1.25rem, 4vw, 2.5rem);
}

.eyebrow{
  display:inline-block;
  font-family:var(--font-body);
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--c-accent);
  margin-bottom:.9em;
}

.section{ padding:clamp(3.5rem, 8vw, 6.5rem) 0; }
.section--soft{ background:var(--c-bg-soft); }
.section--dark{ background:var(--c-dark); color:#f3f2ef; }
.section--dark p{ color:#c9c8c4; }
.section-head{
  max-width:640px;
  margin:0 0 clamp(2rem,5vw,3.25rem);
}
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head h2{ font-size:clamp(1.7rem,3.4vw,2.5rem); }

/* ---- Buttons ---- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  padding:.9em 1.7em;
  font-family:var(--font-body);
  font-size:.85rem;
  font-weight:600;
  letter-spacing:.07em;
  text-transform:uppercase;
  border:1px solid transparent;
  border-radius:var(--radius);
  transition:background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-1px); }
.btn-primary{ background:var(--c-accent); color:#fff; }
.btn-primary:hover{ background:var(--c-accent-dark); }
.btn-outline{ background:transparent; color:#fff; border-color:rgba(255,255,255,.55); }
.btn-outline:hover{ background:rgba(255,255,255,.12); border-color:#fff; }
.btn-dark{ background:var(--c-ink); color:#fff; }
.btn-dark:hover{ background:#000; }
.btn-line{ background:transparent; color:var(--c-ink); border-color:var(--c-line); }
.btn-line:hover{ border-color:var(--c-ink); }
.btn svg{ width:14px; height:14px; flex:none; }
@media (max-width:400px){
  .btn{ white-space:normal; text-align:center; }
}

/* ==========================================================================
   TOPBAR (kontaktní pruh nad hlavním menu)
   ========================================================================== */
.topbar{
  background:var(--c-dark); color:#c9c8c4;
  font-size:.78rem;
}
.topbar-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:1rem; min-height:40px;
}
.topbar-contact{ display:flex; align-items:center; gap:1.4rem; }
.topbar-contact a{ display:inline-flex; align-items:center; gap:.45em; color:#c9c8c4; }
.topbar-contact a:hover{ color:var(--c-accent); }
.topbar-contact svg{ width:13px; height:13px; flex:none; color:var(--c-accent); }
.topbar-links{ display:flex; align-items:center; gap:1.3rem; }
.topbar-links a:hover{ color:var(--c-accent); }
@media (max-width:700px){
  .topbar-links{ display:none; }
}
@media (max-width:480px){
  .topbar-contact span.label{ display:none; }
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header{
  position:sticky; top:0; z-index:500;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{ box-shadow:0 6px 24px rgba(20,20,20,.06); }
/* backdrop-filter na hlavičce vytváří containing block pro position:fixed
   potomky (naše vysunuté mobilní menu) — při otevřeném menu ho proto
   vypneme, aby se menu správně rozpínalo přes celou výšku obrazovky. */
html.nav-open .site-header{ backdrop-filter:none; -webkit-backdrop-filter:none; }

.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  min-height:var(--header-h);
  gap:1.5rem;
}
.brand{ display:flex; align-items:center; flex:1 1 auto; min-width:0; }
.brand img{ height:36px; width:auto; max-width:100%; flex:none; }

.main-nav{ display:flex; align-items:center; gap:clamp(1.1rem,2.4vw,2.3rem); }
.main-nav a{
  font-size:.85rem; font-weight:500; color:var(--c-ink);
  padding:.4em 0; position:relative;
}
.main-nav a::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:1px;
  background:var(--c-accent); transform:scaleX(0); transform-origin:left;
  transition:transform .22s ease;
}
.main-nav a:hover::after, .main-nav a.is-active::after{ transform:scaleX(1); }
.main-nav a.is-active{ color:var(--c-accent); }

.header-actions{ display:flex; align-items:center; gap:.9rem; flex:none; }
.login-btn{
  display:inline-flex; align-items:center; gap:.55em;
  padding:.65em 1.3em;
  border:1px solid var(--c-ink);
  border-radius:var(--radius);
  font-size:.78rem; font-weight:600; letter-spacing:.06em; text-transform:uppercase;
  transition:background .2s ease, color .2s ease;
}
.login-btn:hover{ background:var(--c-ink); color:#fff; }
.login-btn svg{ width:14px; height:14px; }

.nav-toggle{
  display:none; flex:none;
  width:42px; height:42px; border:1px solid var(--c-line); border-radius:var(--radius);
  background:transparent; align-items:center; justify-content:center;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after{ display:none; }
.nav-toggle .bars{ position:relative; width:18px; height:12px; }
.nav-toggle .bars i{
  position:absolute; left:0; right:0; height:1.5px; background:var(--c-ink);
  transition:transform .25s ease, opacity .2s ease, top .25s ease;
}
.nav-toggle .bars i:nth-child(1){ top:0; }
.nav-toggle .bars i:nth-child(2){ top:5px; }
.nav-toggle .bars i:nth-child(3){ top:10px; }
.nav-open .nav-toggle .bars i:nth-child(1){ top:5px; transform:rotate(45deg); }
.nav-open .nav-toggle .bars i:nth-child(2){ opacity:0; }
.nav-open .nav-toggle .bars i:nth-child(3){ top:5px; transform:rotate(-45deg); }

@media (max-width:960px){
  .main-nav{
    position:fixed; top:var(--mobile-nav-top, var(--header-h)); right:0; bottom:0; left:0;
    background:#fff; flex-direction:column; align-items:flex-start;
    padding:1.5rem clamp(1.25rem,6vw,2.5rem) 2rem;
    gap:0;
    transform:translateY(-8px);
    opacity:0; visibility:hidden;
    transition:opacity .22s ease, transform .22s ease, visibility .22s;
    overflow-y:auto;
  }
  .nav-open .main-nav{ opacity:1; visibility:visible; transform:translateY(0); }
  html.nav-open, html.nav-open body{ overflow:hidden; }
  .main-nav a{ width:100%; padding:1.05em 0; border-bottom:1px solid var(--c-line); font-size:1rem; }
  .main-nav .mobile-only-link{ color:var(--c-ink-soft); font-size:.92rem; }
  .main-nav .nav-divider{ width:100%; padding-top:.9rem; margin-top:.3rem; font-size:.7rem; letter-spacing:.14em; text-transform:uppercase; color:var(--c-accent); }
  .main-nav .login-btn-mobile{ display:inline-flex; justify-content:center; margin-top:1.4rem; color:#fff; border-bottom:none; padding:.9em 1.4em; }
  .header-actions .login-btn.desktop-only{ display:none; }
  .nav-toggle{ display:inline-flex; }
  .header-actions{ flex:none; }
}
@media (max-width:520px){
  .brand img{ height:30px; }
}
@media (min-width:961px){
  .mobile-only-link, .nav-divider{ display:none; }
  .login-btn-mobile{ display:none; }
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  position:relative;
  min-height:88vh;
  display:flex; align-items:center;
  color:#fff;
  background:#141414;
  overflow:hidden;
}
.hero-bg{
  position:absolute; inset:0;
  background-size:cover; background-position:center;
}
.hero-bg::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(10,10,10,.55) 0%, rgba(10,10,10,.72) 55%, rgba(10,10,10,.88) 100%);
}
.hero-content{ position:relative; z-index:2; }
.hero-content .eyebrow{ color:#e5c98a; }
.hero-content h1{
  font-size:clamp(2.2rem, 5.6vw, 4rem);
  color:#fff;
  margin-bottom:.5em;
}
.hero-content p.lead{
  color:#d9d8d4; font-size:clamp(1rem,1.6vw,1.15rem); max-width:520px; margin-bottom:2.1em;
}
.hero-cta{ display:flex; flex-wrap:wrap; gap:.9rem; }

/* ==========================================================================
   SERVICE CARDS
   ========================================================================== */
.cards-grid{
  display:grid; gap:var(--gap);
  grid-template-columns:repeat(4, 1fr);
}
@media (max-width:960px){ .cards-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .cards-grid{ grid-template-columns:1fr; } }

.service-card{
  position:relative; display:block;
  border:1px solid var(--c-line);
  overflow:hidden;
  aspect-ratio:3/4;
  background:#111;
}
.service-card img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  transition:transform .5s ease, filter .4s ease;
  filter:grayscale(35%) brightness(.8);
}
.service-card:hover img{ transform:scale(1.06); filter:grayscale(0%) brightness(.68); }
.service-card::before{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(0,0,0,.05) 30%, rgba(0,0,0,.75) 100%);
}
.service-card-num{
  position:absolute; top:1.3rem; left:1.3rem; z-index:2;
  font-family:var(--font-head); font-size:.85rem; color:#e5c98a; letter-spacing:.1em;
}
.service-card-body{
  position:absolute; left:1.3rem; right:1.3rem; bottom:1.3rem; z-index:2;
}
.service-card-body h3{ color:#fff; font-size:1.15rem; margin-bottom:.3em; }
.service-card-body span{
  font-size:.75rem; letter-spacing:.08em; text-transform:uppercase; color:#e5c98a;
  display:inline-flex; align-items:center; gap:.4em;
}

/* ==========================================================================
   PROCESS STEPS
   ========================================================================== */
.steps-grid{
  display:grid; gap:var(--gap);
  grid-template-columns:repeat(4,1fr);
}
@media (max-width:900px){ .steps-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .steps-grid{ grid-template-columns:1fr; } }
.step{ padding-top:1.6rem; border-top:1px solid var(--c-line); }
.step-num{ font-family:var(--font-head); font-size:1.6rem; color:var(--c-accent); margin-bottom:.5em; }
.step h3{ font-size:1.05rem; margin-bottom:.5em; }
.step p{ font-size:.92rem; margin-bottom:0; }

/* ==========================================================================
   GENERIC SLIDER (used for reference slider + footer top slider)
   ========================================================================== */
.slider{ position:relative; overflow:hidden; }
.slider-track{
  display:flex; transition:transform .6s cubic-bezier(.65,0,.35,1);
  will-change:transform;
}
.slider-nav{
  display:flex; align-items:center; justify-content:center; gap:.6rem;
  margin-top:1.6rem;
}
.slider-dot{
  width:8px; height:8px; border-radius:50%; border:1px solid var(--c-ink-soft);
  background:transparent; padding:0;
}
.slider-dot.is-active{ background:var(--c-accent); border-color:var(--c-accent); }

/* Reference slider — jen jméno, firma a text hodnocení (bez fotek a hvězdiček) */
.ref-slide{
  flex:0 0 100%; padding:0 .5rem;
}
@media (min-width:760px){ .ref-slide{ flex:0 0 50%; } }
.ref-card{
  background:#fff; border:1px solid var(--c-line); padding:2.1rem;
  height:100%; display:flex; flex-direction:column;
}
.ref-card blockquote{
  margin:0 0 1.4rem; font-family:var(--font-head); font-size:1.05rem; font-weight:500;
  color:var(--c-ink); line-height:1.5;
}
.ref-card .ref-who{ margin-top:auto; padding-top:1.1rem; border-top:1px solid var(--c-line); }
.ref-who strong{ display:block; font-size:.92rem; }
.ref-who span{ font-size:.78rem; color:var(--c-ink-soft); }

/* Footer top: statický pruh fotek (bez posuvu) */
.photo-strip{
  display:grid; grid-template-columns:repeat(5,1fr); gap:.4rem;
}
.photo-strip img{ width:100%; height:100%; aspect-ratio:4/3; object-fit:cover; }
@media (max-width:760px){ .photo-strip{ grid-template-columns:repeat(3,1fr); } }
@media (max-width:460px){ .photo-strip{ grid-template-columns:repeat(2,1fr); } }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{ background:var(--c-dark); color:#c9c8c4; }
.footer-gallery-wrap{ padding-top:clamp(2rem,5vw,3rem); }
.footer-main{
  padding:clamp(3rem,6vw,4.5rem) 0 2.5rem;
  display:grid; gap:2.5rem;
  grid-template-columns:1.3fr 1fr 1fr 1fr;
}
@media (max-width:900px){ .footer-main{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .footer-main{ grid-template-columns:1fr; } }
.footer-brand img{ height:34px; margin-bottom:1.1rem; filter:brightness(0) invert(1); }
.footer-brand p{ font-size:.88rem; max-width:280px; }
.footer-col h4{
  color:#fff; font-size:.75rem; letter-spacing:.14em; text-transform:uppercase;
  font-family:var(--font-body); font-weight:600; margin-bottom:1.2rem;
}
.footer-col h4.footer-col-sub{ margin-top:1.6rem; }
.footer-col ul li{ margin-bottom:.7rem; font-size:.9rem; }
.footer-col a:hover{ color:var(--c-accent); }
.footer-social{ display:flex; gap:.7rem; margin-top:1.3rem; }
.footer-social a{
  width:36px; height:36px; border:1px solid rgba(255,255,255,.2); border-radius:50%;
  display:flex; align-items:center; justify-content:center;
}
.footer-social a:hover{ border-color:var(--c-accent); color:var(--c-accent); }
.footer-social svg{ width:15px; height:15px; }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:1.4rem 0;
  display:flex; flex-wrap:wrap; gap:.8rem; justify-content:space-between; align-items:center;
  font-size:.78rem; color:#8f9094;
}
.footer-bottom a:hover{ color:var(--c-accent); }

/* ==========================================================================
   INNER PAGE HERO (service / o nás / kontakt / reference)
   ========================================================================== */
.page-hero{
  position:relative; color:#fff; background:#141414;
  display:flex; align-items:center; justify-content:center;
  min-height:clamp(340px, 46vw, 480px);
  padding:clamp(7.5rem,13vw,9.5rem) 0 clamp(3.5rem,7vw,5rem);
  overflow:hidden;
  text-align:center;
}
.page-hero-bg{ position:absolute; inset:0; background-size:cover; background-position:center; }
.page-hero-bg::after{ content:""; position:absolute; inset:0; background:rgba(10,10,10,.68); }
.page-hero-inner{ position:relative; z-index:2; max-width:820px; margin:0 auto; }
.breadcrumb{ font-size:.78rem; letter-spacing:.06em; color:#c9c8c4; margin-bottom:1.1rem; }
.breadcrumb a:hover{ color:var(--c-accent); }
.page-hero h1{ font-size:clamp(2.2rem,5vw,3.4rem); color:#fff; }
.page-hero p.lead{ color:#d9d8d4; max-width:640px; margin-left:auto; margin-right:auto; font-size:clamp(1rem,1.5vw,1.1rem); }

/* Content layout for service pages */
.content-grid{
  display:grid; grid-template-columns:1.15fr .85fr; gap:clamp(2rem,5vw,4rem);
  align-items:start;
}
.content-grid > *{ min-width:0; }
@media (max-width:900px){ .content-grid{ grid-template-columns:1fr; } }
.prose h2{ font-size:1.5rem; margin-top:1.6em; }
.prose h2:first-child{ margin-top:0; }
.prose ul{ margin:0 0 1.3em; }
.prose ul li{
  position:relative; padding-left:1.4em; margin-bottom:.55em; color:var(--c-ink-soft);
}
.prose ul li::before{
  content:""; position:absolute; left:0; top:.6em; width:6px; height:6px; background:var(--c-accent);
}
.info-card{
  background:var(--c-bg-soft); border:1px solid var(--c-line); padding:1.8rem;
  margin-bottom:1.4rem;
}
.info-card h3{ font-size:.95rem; margin-bottom:.9rem; }
.spec-list{ display:flex; flex-direction:column; gap:.65rem; }
.spec-row{ display:flex; justify-content:space-between; gap:1rem; font-size:.88rem; padding-bottom:.65rem; border-bottom:1px dashed var(--c-line); }
.spec-row:last-child{ border-bottom:none; padding-bottom:0; }
.spec-row span:first-child{ color:var(--c-ink-soft); }
.spec-row span:last-child{ font-weight:600; text-align:right; }

.pillars{ display:grid; grid-template-columns:repeat(3,1fr); gap:var(--gap); }
@media (max-width:760px){ .pillars{ grid-template-columns:1fr; } }
.pillar{ padding:2rem 0 0; border-top:1px solid var(--c-line); }
.pillar .num{ font-family:var(--font-head); color:var(--c-accent); font-size:1.4rem; display:block; margin-bottom:.6em; }
.pillar h3{ font-size:1.05rem; }

/* FAQ accordion */
.faq{ border-top:1px solid var(--c-line); }
.faq-item{ border-bottom:1px solid var(--c-line); }
.faq-q{
  width:100%; text-align:left; background:none; border:none;
  display:flex; align-items:center; justify-content:space-between; gap:1rem;
  padding:1.3rem 0; font-family:var(--font-head); font-size:1.02rem; font-weight:500; color:var(--c-ink);
}
.faq-q .plus{ position:relative; width:16px; height:16px; flex:none; }
.faq-q .plus::before, .faq-q .plus::after{
  content:""; position:absolute; background:var(--c-ink); transition:transform .25s ease, opacity .25s ease;
}
.faq-q .plus::before{ left:0; right:0; top:50%; height:1.5px; transform:translateY(-50%); }
.faq-q .plus::after{ top:0; bottom:0; left:50%; width:1.5px; transform:translateX(-50%); }
.faq-item.is-open .plus::after{ opacity:0; transform:translateX(-50%) rotate(90deg); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .3s ease; }
.faq-item.is-open .faq-a{ max-height:400px; }
.faq-a p{ padding-bottom:1.3rem; font-size:.92rem; }

/* Team */
.team-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:var(--gap); }
@media (max-width:760px){ .team-grid{ grid-template-columns:1fr; } }
.team-card{ text-align:left; }
.team-photo{
  aspect-ratio:1/1; background:var(--c-bg-soft); border:1px solid var(--c-line);
  display:flex; align-items:center; justify-content:center; margin-bottom:1.1rem;
  font-family:var(--font-head); font-size:2rem; color:var(--c-accent); overflow:hidden;
}
.team-photo img{ width:100%; height:100%; object-fit:cover; }
.team-card h3{ font-size:1.05rem; margin-bottom:.2em; }
.team-card span{ font-size:.82rem; color:var(--c-accent); text-transform:uppercase; letter-spacing:.06em; }

/* Reference grid (samostatná stránka /reference/) */
.ref-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:var(--gap); }
@media (max-width:760px){ .ref-grid{ grid-template-columns:1fr; } }

/* Values grid (O nás) */
.values-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:var(--gap); }
@media (max-width:700px){ .values-grid{ grid-template-columns:1fr; } }
.value{ display:flex; gap:1.1rem; }
.value .dot{ width:8px; height:8px; background:var(--c-accent); margin-top:.55em; flex:none; }
.value h3{ font-size:1rem; margin-bottom:.35em; }
.value p{ font-size:.92rem; margin-bottom:0; }

/* Kontakt */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:var(--gap); }
@media (max-width:800px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-block{ display:flex; gap:1rem; padding:1.5rem 0; border-top:1px solid var(--c-line); }
.contact-block .ic{
  width:38px; height:38px; border:1px solid var(--c-line); border-radius:50%; flex:none;
  display:flex; align-items:center; justify-content:center; color:var(--c-accent);
}
.contact-block .ic svg{ width:16px; height:16px; }
.contact-block h3{ font-size:.95rem; margin-bottom:.3em; }
.contact-block p{ margin-bottom:0; font-size:.9rem; }
.map-frame{ border:1px solid var(--c-line); width:100%; aspect-ratio:4/3; }
.map-frame iframe{ width:100%; height:100%; border:0; display:block; }

/* CTA band */
.cta-band{
  text-align:center; padding:clamp(3rem,7vw,5rem) 0;
}
.cta-band h2{ font-size:clamp(1.6rem,3.4vw,2.3rem); max-width:640px; margin:0 auto .4em; }
.cta-band p{ max-width:520px; margin:0 auto 1.8rem; }
.cta-band .btn-row{ display:flex; gap:.9rem; justify-content:center; flex-wrap:wrap; }

/* Reveal-on-scroll */
[data-reveal]{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible{ opacity:1; transform:translateY(0); }

/* Utility */
.mt-0{ margin-top:0; }
.text-center{ text-align:center; }

/* Safety net: grid children must not force horizontal overflow on narrow screens */
.cards-grid > *, .steps-grid > *, .pillars > *, .team-grid > *,
.values-grid > *, .ref-grid > *, .footer-main > *, .contact-grid > *{
  min-width:0;
}