/* Minimal, airy, white-forward style */
:root{--bg:#ffffff;--ink:#0c0c0c;--muted:#6b7280;--border:#ececec;--panel:#fafafa}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.6}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:'Playfair Display',serif;margin:0 0 12px 0;line-height:1.2}
h1{font-size:clamp(34px,5vw,60px);font-weight:600}
h2{font-size:clamp(26px,3.4vw,38px);font-weight:600}
h3{font-size:20px}
.lead{font-size:18px;color:var(--muted);max-width:760px}
.section{padding:80px 0}
.section.alt{background:var(--panel)}
.section-head{margin-bottom:24px}
.btn{display:inline-block;padding:12px 22px;border:1px solid var(--ink);border-radius:999px;font-weight:600;letter-spacing:.3px;transition:.2s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-outline{background:transparent;color:var(--ink)}
.note{margin-top:14px;color:var(--muted);font-size:14px}

/* Header & nav */
.site-header{position:sticky;top:0;background:rgba(255,255,255,.85);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--border);z-index:10}
.header-inner{display:flex;align-items:center;gap:16px;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand-logo{height:30px;width:auto}
.brand-text{letter-spacing:.06em}
.nav{display:flex;gap:18px;margin-left:auto;align-items:center}
.nav a{padding:8px 10px;font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.12em}
.nav .cta{border:1px solid var(--ink);border-radius:999px;padding:8px 12px}
.hamburger{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:0;background:transparent;cursor:pointer}
.hamburger .bar{display:block;width:22px;height:2px;background:var(--ink);margin:3px 0}
@media (max-width:900px){
  .hamburger{display:inline-flex}
  .nav{position:fixed;left:0;right:0;top:60px;background:#fff;display:none;flex-direction:column;gap:12px;padding:16px 24px;border-top:1px solid var(--border);box-shadow:0 8px 24px rgba(0,0,0,.05)}
  .nav.open{display:flex}
}

/* Hero */
.hero{background:linear-gradient(180deg,#fff,#fafafa);padding:96px 0 80px;border-bottom:1px solid var(--border);position:relative}
.hero.has-image{background:transparent}
.hero::after{content:'';position:absolute;inset:0;background:radial-gradient(1000px 400px at 80% -10%, rgba(12,12,12,.04), transparent)}
.hero .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.6;display:none}
.hero.has-image .hero-bg{display:block}
.hero-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:22px}
.lead.darker { color: #1b1b1b; }

/* Cards */
.grid{display:grid;gap:22px}
.cards{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden}
.card h3{padding:14px 14px 0 14px}
.card p{padding:0 14px 16px 14px;color:var(--muted)}
.image-slot{position:relative;aspect-ratio:4/3;border:1px dashed #d8d8d8;border-radius:16px;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden}
.image-slot.tall{aspect-ratio:3/4}
.image-slot::before{content:attr(data-filename) ' → vložte do assets/images';position:absolute;bottom:8px;left:8px;right:8px;font-size:12px;color:#9ca3af;text-align:center}
.image-slot.loaded{border-style:solid}
.image-slot.loaded::before{display:none}
.image-slot img{width:100%;height:100%;object-fit:cover}

/* Features */
.features{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.feature{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.step{background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px}
.step .num{width:28px;height:28px;border-radius:50%;background:#111;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:8px}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.steps{grid-template-columns:1fr}}

/* Quotes */
.quotes{display:grid;gap:14px}
.quotes blockquote{margin:0;padding:16px;border-left:3px solid #111;background:#fff;border-radius:12px}
.quotes span{display:block;color:var(--muted);margin-top:6px}

/* Form */
.contact-form{margin-top:6px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-grid .full{grid-column:1/-1}
label{font-weight:600;font-size:14px;display:flex;flex-direction:column;gap:6px}
input,select,textarea{padding:12px;border:1px solid var(--border);border-radius:10px;background:#fff;font-family:inherit}
.hidden{display:none}
.policy{color:var(--muted);font-size:13px;margin:8px 0}
.order .btn{margin-top:8px}

/* Footer */
.site-footer{border-top:1px solid var(--border);padding:24px 0 40px;background:linear-gradient(0deg,#fafafa,#fff)}
.footer-inner{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:18px;align-items:start}
.footer-nav a{display:block;padding:4px 0}
.brand-col .brand-logo.small{height:24px;margin-bottom:8px}
@media (max-width:900px){.footer-inner{grid-template-columns:1fr}}