/* =========================================================
   Statický posudek – ARCHCON atelier, s.r.o.
   Redesign 2026 – čisté HTML5 + CSS, bez knihoven
   ========================================================= */

:root{
    --green:      #00a2d3;   /* firemní modrá z loga ARCHCON STATIKA */
    --green-dark: #007ea8;
    --ink:        #2b2b2b;
    --muted:      #6b6f76;
    --line:       #e6e8ea;
    --bg:         #ffffff;
    --bg-soft:    #f2f8fb;
    --shadow:     0 10px 30px rgba(0,0,0,.08);
    --radius:     14px;
    --wrap:       1120px;
    --font:       "Segoe UI", Roboto, "Helvetica Neue", Arial, system-ui, sans-serif;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
    margin:0;
    font-family:var(--font);
    color:var(--ink);
    line-height:1.65;
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:var(--green-dark); text-decoration:none; }
a:hover{ text-decoration:underline; }

.wrap{ width:100%; max-width:var(--wrap); margin:0 auto; padding:0 24px; }

h1,h2,h3{ line-height:1.2; color:var(--ink); font-weight:700; }
h1{ font-size:clamp(2rem, 4vw, 3rem); margin:0 0 .5em; }
h2{ font-size:clamp(1.5rem, 3vw, 2.1rem); margin:0 0 .6em; }
h3{ font-size:1.2rem; margin:0 0 .4em; }
p{ margin:0 0 1.1em; }

/* ---------- Header ---------- */
.site-header{
    position:sticky; top:0; z-index:100;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
}
.site-header .wrap{
    display:flex; align-items:center; justify-content:space-between;
    min-height:74px; gap:20px;
}
.brand{ display:flex; align-items:center; gap:14px; }
.brand img{ height:42px; width:auto; }
.brand .brand-txt{ font-size:.82rem; color:var(--muted); line-height:1.25; }
.brand .brand-txt strong{ color:var(--ink); display:block; font-size:.95rem; }

.nav{ display:flex; align-items:center; gap:28px; }
.nav a{ color:var(--ink); font-weight:600; font-size:.95rem; }
.nav a:hover{ color:var(--green-dark); text-decoration:none; }

.btn{
    display:inline-block; background:var(--green); color:#fff;
    padding:12px 22px; border-radius:999px; font-weight:700;
    border:none; cursor:pointer; transition:background .2s, transform .2s;
    box-shadow:0 6px 16px rgba(0,162,211,.35);
}
.btn:hover{ background:var(--green-dark); text-decoration:none; transform:translateY(-1px); color:#fff; }
.btn-ghost{
    background:transparent; color:var(--ink);
    border:2px solid var(--line); box-shadow:none; padding:10px 20px;
}
.btn-ghost:hover{ background:var(--bg-soft); color:var(--ink); border-color:var(--green); }

.nav-toggle{ display:none; background:none; border:0; cursor:pointer; padding:8px; }
.nav-toggle span{ display:block; width:26px; height:3px; background:var(--ink); margin:5px 0; border-radius:2px; transition:.3s; }

/* ---------- Hero ---------- */
.hero{
    position:relative; color:#fff;
    background:linear-gradient(rgba(10,20,30,.62), rgba(10,20,30,.62)),
               url("../img/07.jpg") center/cover no-repeat;
}
.hero .wrap{ padding-top:96px; padding-bottom:96px; max-width:820px; }
.hero h1{ color:#fff; }
.hero p{ font-size:1.2rem; color:#f0f2ea; max-width:620px; }
.hero .actions{ display:flex; gap:14px; flex-wrap:wrap; margin-top:26px; }
.hero .actions .btn-ghost{ color:#fff; border-color:rgba(255,255,255,.6); }
.hero .actions .btn-ghost:hover{ background:rgba(255,255,255,.12); border-color:#fff; }

/* ---------- Trust bar ---------- */
.trust{ background:var(--bg-soft); border-bottom:1px solid var(--line); }
.trust .wrap{
    display:grid; grid-template-columns:repeat(4,1fr); gap:24px;
    padding-top:34px; padding-bottom:34px; text-align:center;
}
.trust .num{ font-size:2rem; font-weight:800; color:var(--green-dark); }
.trust .lbl{ color:var(--muted); font-size:.95rem; }

/* ---------- Sections ---------- */
section{ padding:72px 0; }
.section-head{ max-width:720px; margin:0 auto 48px; text-align:center; }
.section-head p{ color:var(--muted); font-size:1.08rem; }
.eyebrow{
    display:inline-block; text-transform:uppercase; letter-spacing:.14em;
    font-size:.78rem; font-weight:700; color:var(--green-dark); margin-bottom:10px;
}

/* two-column content */
.split{ display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center; }
.split img{ border-radius:var(--radius); box-shadow:var(--shadow); }
.bg-soft{ background:var(--bg-soft); }

/* cards */
.cards{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.card{
    background:#fff; border:1px solid var(--line); border-radius:var(--radius);
    padding:30px; transition:transform .2s, box-shadow .2s;
}
.card:hover{ transform:translateY(-4px); box-shadow:var(--shadow); }
.card .ico{
    width:52px; height:52px; border-radius:12px; background:var(--bg-soft);
    display:grid; place-items:center; font-size:1.5rem; margin-bottom:16px;
}
.card p{ color:var(--muted); margin:0; }

/* list with checkmarks */
.check-list{ list-style:none; padding:0; margin:0; display:grid; gap:12px; }
.check-list li{ position:relative; padding-left:34px; }
.check-list li::before{
    content:"✓"; position:absolute; left:0; top:0;
    width:22px; height:22px; border-radius:50%; background:var(--green);
    color:#fff; font-size:.8rem; font-weight:700; display:grid; place-items:center;
}

/* ---------- Gallery ---------- */
.gallery{ display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.gallery a{ display:block; overflow:hidden; border-radius:12px; }
.gallery img{ height:220px; width:100%; object-fit:cover; transition:transform .4s; }
.gallery a:hover img{ transform:scale(1.06); }

/* ---------- Price ---------- */
.price-box{
    background:var(--ink); color:#fff; border-radius:var(--radius);
    padding:48px; text-align:center; max-width:640px; margin:0 auto;
}
.price-box .amount{ font-size:3rem; font-weight:800; color:var(--green); line-height:1; }
.price-box .amount span{ font-size:1.1rem; color:#cfd3cb; font-weight:500; }
.price-box p{ color:#cfd3cb; }
.price-box .btn{ margin-top:12px; }

/* ---------- Contact / CTA ---------- */
.cta{
    background:linear-gradient(135deg, var(--green), var(--green-dark));
    color:#fff; text-align:center;
}
.cta h2{ color:#fff; }
.cta p{ color:#dff2fa; max-width:560px; margin:0 auto 24px; }
.cta .phone{ font-size:2rem; font-weight:800; color:#fff; }
.cta .btn{ background:#fff; color:var(--green-dark); box-shadow:none; }
.cta .btn:hover{ background:var(--ink); color:#fff; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--ink); color:#c7cbc1; padding:52px 0 28px; font-size:.92rem; }
.site-footer .cols{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:36px; margin-bottom:32px; }
.site-footer h4{ color:#fff; font-size:1rem; margin:0 0 14px; }
.site-footer a{ color:#c7cbc1; }
.site-footer a:hover{ color:var(--green); }
.site-footer ul{ list-style:none; padding:0; margin:0; display:grid; gap:8px; }
.site-footer .bottom{ border-top:1px solid rgba(255,255,255,.12); padding-top:20px; text-align:center; color:#8b9083; }

/* ---------- Lightbox (čisté CSS, bez JS knihovny) ---------- */
.lb{ position:fixed; inset:0; background:rgba(0,0,0,.9); display:none;
     align-items:center; justify-content:center; z-index:200; padding:20px; }
.lb:target{ display:flex; }
.lb img{ max-width:92%; max-height:88%; border-radius:8px; box-shadow:0 20px 60px rgba(0,0,0,.5); }
.lb .close{ position:absolute; top:22px; right:30px; color:#fff; font-size:2.4rem; text-decoration:none; line-height:1; }

/* ---------- Responsive ---------- */
@media (max-width:860px){
    .nav{
        position:fixed; inset:74px 0 auto 0; flex-direction:column; gap:0;
        background:#fff; border-bottom:1px solid var(--line);
        transform:translateY(-140%); transition:transform .3s; padding:10px 0;
    }
    .nav.open{ transform:translateY(0); box-shadow:var(--shadow); }
    .nav a{ padding:14px 24px; width:100%; }
    .nav .btn{ margin:12px 24px; text-align:center; }
    .nav-toggle{ display:block; }
    .split{ grid-template-columns:1fr; gap:32px; }
    .cards{ grid-template-columns:1fr; }
    .trust .wrap{ grid-template-columns:repeat(2,1fr); gap:28px; }
    .gallery{ grid-template-columns:repeat(2,1fr); }
    .site-footer .cols{ grid-template-columns:1fr; }
    .price-box{ padding:34px 24px; }
}
@media (max-width:480px){
    .gallery{ grid-template-columns:1fr; }
    .brand .brand-txt{ display:none; }
}