/* =========================================================
   MARENA — sdílený styl pro všechny stránky
   ========================================================= */
:root {
    --green: #2ecc71;
    --green-dark: #1e8449;
    --green-darker: #15703b;
    --green-tint: #e8f8f0;
    --green-tint2: #f4faf6;
    --ink: #2c3e50;
    --muted: #5b6b6e;
    --muted2: #7f8c8d;
    --line: #e9ecee;
    --line2: #eef0f1;
    --bg-light: #f9f9f9;
    --white: #ffffff;
    --footer: #1f2a36;
    --footer2: #18222c;
    --footer-text: #9fb0bd;
    --radius: 8px;
    --maxw: 1180px;
}

* { box-sizing: border-box; }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    color: var(--ink);
    line-height: 1.6;
    background: var(--white);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
    position: absolute; left: -999px; top: 0; z-index: 200;
    background: var(--green-dark); color: #fff; padding: 10px 16px;
    border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

/* ---------- Tlačítka ---------- */
.btn, .btn-outline, .cta-btn, .submit-btn {
    display: inline-block;
    padding: 12px 22px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background .2s ease, color .2s ease, transform .15s ease;
    border: 2px solid transparent;
    text-align: center;
}
.btn, .cta-btn, .submit-btn {
    background: var(--green-dark);
    color: #fff;
    border-color: var(--green-dark);
}
.btn:hover, .cta-btn:hover, .submit-btn:hover { background: var(--green-darker); border-color: var(--green-darker); }
.btn-outline {
    background: #fff;
    color: var(--green-dark);
    border-color: var(--green);
}
.btn-outline:hover { background: var(--green-tint); }

:focus-visible { outline: 3px solid rgba(46,204,113,.45); outline-offset: 2px; }

/* ---------- Navigace ---------- */
.site-nav {
    position: sticky; top: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    gap: 14px; flex-wrap: wrap;
    padding: 14px clamp(20px, 6vw, 80px);
    background: var(--white);
    border-bottom: 1px solid var(--line2);
    box-shadow: 0 2px 6px rgba(0,0,0,.03);
}
.site-nav .brand { display: inline-flex; align-items: center; line-height: 0; }
.site-nav .brand img { height: 34px; width: auto; }

.nav-menu { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.nav-menu a { color: var(--ink); font-weight: 600; transition: color .2s ease; }
.nav-menu a:hover, .nav-menu a[aria-current="page"] { color: var(--green-dark); }
.nav-menu .nav-cta { color: #fff; padding: 9px 16px; }
.nav-menu .nav-cta:hover { color: #fff; }

.nav-toggle {
    display: none;
    flex-direction: column; justify-content: center; gap: 5px;
    width: 44px; height: 40px; padding: 9px;
    background: transparent; border: 1px solid var(--line); border-radius: 6px;
    cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: var(--ink); border-radius: 2px; transition: .2s ease; }

/* ---------- Hero ---------- */
.hero {
    padding: 56px clamp(20px, 6vw, 80px);
    background: linear-gradient(135deg, #ffffff 55%, var(--green-tint) 100%);
}
.hero-inner {
    max-width: var(--maxw); margin: 0 auto;
    display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: center;
}
.eyebrow { margin: 0 0 10px; font-size: .95rem; font-weight: 600; color: var(--muted2); letter-spacing: .3px; }
.hero h1 { margin: 0 0 14px; font-size: 2.5rem; line-height: 1.18; color: var(--green-dark); }
.hero .lead { margin: 0 0 22px; font-size: 1.12rem; color: var(--muted); max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.hero-image { display: flex; justify-content: center; }
.hero-image img { max-width: 100%; height: auto; border-radius: 10px; }

/* ---------- Chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 9px; list-style: none; margin: 0; padding: 0; }
.chip {
    display: inline-flex; align-items: center; gap: 7px;
    background: var(--green-tint); color: var(--green-dark);
    font-size: .85rem; font-weight: 600; padding: 6px 12px; border-radius: 20px;
}
.chip svg { width: 15px; height: 15px; }

/* ---------- Pruh důvěry ---------- */
.trust {
    max-width: var(--maxw); margin: 0 auto;
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
    background: var(--line2);
    border-top: 1px solid var(--line2); border-bottom: 1px solid var(--line2);
}
.trust-item { background: #fff; padding: 18px clamp(16px, 3vw, 30px); display: flex; gap: 13px; align-items: center; }
.trust-item svg { width: 26px; height: 26px; color: var(--green-dark); flex: none; }
.trust-item strong { display: block; font-size: .98rem; }
.trust-item span { font-size: .82rem; color: var(--muted2); }

/* ---------- Služby ---------- */
.section-head { max-width: var(--maxw); margin: 0 auto; padding: 54px clamp(20px, 6vw, 80px) 0; }
.section-head h2 { margin: 0 0 6px; font-size: 1.8rem; color: var(--ink); }
.section-head p { margin: 0; color: var(--muted2); }

.services {
    max-width: var(--maxw); margin: 0 auto;
    padding: 22px clamp(20px, 6vw, 80px) 54px;
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px;
}
.service-card {
    display: flex; flex-direction: column;
    padding: 22px; background: var(--white);
    border: 1px solid var(--line); border-top: 3px solid var(--green);
    border-radius: var(--radius);
    transition: transform .2s ease, box-shadow .2s ease;
}
.service-card:hover { transform: translateY(-3px); box-shadow: 0 8px 22px rgba(0,0,0,.06); }
.service-icon {
    width: 50px; height: 50px; border-radius: 10px;
    background: var(--green-tint); color: var(--green-dark);
    display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.service-icon svg { width: 28px; height: 28px; }
.service-card h3 { margin: 0 0 6px; color: var(--green-dark); font-size: 1.2rem; }
.service-card p { margin: 0; color: var(--muted); font-size: .96rem; flex: 1; }
.service-card .more { margin-top: 14px; color: var(--green-dark); font-weight: 600; font-size: .95rem; }

/* ---------- Obsah podstránek ---------- */
.content-section {
    width: 100%; max-width: 820px; margin: 0 auto; flex: 1;
    padding: 48px clamp(20px, 6vw, 40px);
}
.back-link { margin: 0 0 22px; font-size: .95rem; }
.back-link a { color: var(--green-dark); font-weight: 600; }
.back-link a:hover { text-decoration: underline; }
.content-section h1 { margin: 0 0 6px; color: var(--green-dark); font-size: 2.3rem; line-height: 1.2; }
.content-section h2 { margin: 38px 0 0; color: var(--ink); font-size: 1.35rem; border-bottom: 2px solid var(--bg-light); padding-bottom: 6px; }
.content-section ul { padding-left: 20px; margin-bottom: 28px; }
.content-section li { margin-bottom: 12px; }
.content-image { width: 100%; height: auto; border-radius: var(--radius); box-shadow: 0 6px 22px rgba(0,0,0,.1); margin: 28px 0; }

/* ---------- Kontakt ---------- */
.contact {
    background: var(--bg-light);
}
.contact-inner {
    max-width: var(--maxw); margin: 0 auto;
    padding: 54px clamp(20px, 6vw, 80px);
    display: grid; grid-template-columns: 1fr 1.15fr; gap: 40px;
}
.contact h2 { margin: 0 0 16px; color: var(--green-dark); border-bottom: 2px solid #e0e0e0; padding-bottom: 10px; }
.info-group { margin-bottom: 18px; }
.info-group strong { display: block; color: var(--green-dark); margin-bottom: 3px; }
.info-group a { font-weight: 600; }

.contact-form { background: #fff; padding: 28px; border-radius: var(--radius); box-shadow: 0 4px 16px rgba(0,0,0,.05); }
.contact-form h2 { border: 0; padding: 0; }
.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: 600; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 11px; border: 1px solid #dcdfe1; border-radius: 5px;
    font-size: 1rem; font-family: inherit; color: var(--ink); background: #fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(46,204,113,.18);
}
.submit-btn { width: 100%; }

/* ---------- Patička ---------- */
.site-footer { margin-top: auto; background: var(--footer); color: var(--footer-text); }
.footer-grid {
    max-width: var(--maxw); margin: 0 auto;
    padding: 40px clamp(20px, 6vw, 80px);
    display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 28px;
}
.footer-logo { font-size: 1.5rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.footer-grid p { margin: 0; font-size: .92rem; line-height: 1.7; }
.footer-grid h3 { margin: 0 0 10px; font-size: .95rem; color: #fff; }
.footer-grid a:hover { color: var(--green); }
.footer-links { display: flex; flex-direction: column; gap: 6px; font-size: .92rem; }
.footer-bottom { background: var(--footer2); text-align: center; padding: 13px; font-size: .82rem; color: #6b7b88; }

/* ---------- Responsivita ---------- */
@media (max-width: 860px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-image { order: -1; max-width: 420px; margin: 0 auto; }
    .contact-inner { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 22px; }
    .trust { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-menu {
        display: none; width: 100%; flex-direction: column; align-items: stretch; gap: 4px;
        padding-top: 10px;
    }
    .site-nav.nav-open .nav-menu { display: flex; }
    .nav-menu a { padding: 10px 4px; border-bottom: 1px solid var(--line2); }
    .nav-menu .nav-cta { text-align: center; margin-top: 8px; border-bottom: 0; }
    .hero { padding: 40px clamp(20px, 6vw, 80px); }
    .hero h1 { font-size: 2rem; }
    .content-section h1 { font-size: 1.85rem; }
}

/* ---------- Bloky podstránek (tracky, AI callout, kroky) ---------- */
.subgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 26px 0; }
.subcard { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.subcard-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.subcard-head .service-icon { margin: 0; width: 44px; height: 44px; }
.subcard h2 { margin: 0; border: 0; padding: 0; color: var(--green-dark); font-size: 1.2rem; }
.subcard ul { margin: 0; padding-left: 18px; }
.subcard li { margin-bottom: 8px; }

.callout { display: flex; gap: 16px; align-items: flex-start; background: var(--green-tint); border: 1px solid #c7e9d5; border-radius: var(--radius); padding: 20px; margin: 26px 0; }
.callout-icon { flex: none; width: 50px; height: 50px; border-radius: 10px; background: #fff; display: flex; align-items: center; justify-content: center; color: var(--green-dark); }
.callout-icon svg { width: 28px; height: 28px; }
.callout h2 { margin: 0 0 6px; border: 0; padding: 0; color: var(--green-dark); font-size: 1.15rem; }
.callout p { margin: 0; color: #37624e; }

.steps { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 16px 0 28px; }
.steps .step { flex: 1; min-width: 92px; background: var(--green-tint2); border: 1px solid #e3ebe6; border-radius: 6px; padding: 10px; text-align: center; font-weight: 600; color: var(--green-dark); font-size: .9rem; }
.steps .arrow { color: #bcc6cc; flex: none; }

@media (max-width: 680px) {
    .subgrid { grid-template-columns: 1fr; }
    .steps .arrow { display: none; }
    .steps .step { min-width: 120px; }
}