/* =========================================================
   Filantrophia — design systém
   Barvy z loga, font Inter, styl Stripe/Notion.
   ========================================================= */

:root {
    /* Barvy */
    --brand-blue: #0000F8;       /* logo, akcenty, primární tlačítka */
    --brand-blue-muted: #1A1FD0; /* hover, odkazy v textu (lepší kontrast) */
    --text: #111418;            /* nadpisy, text */
    --text-secondary: #5A5F6B;  /* popisky, metadata */
    --bg: #FFFFFF;              /* základ */
    --band: #F5F6FA;           /* oddělovací pásy / sekce */
    --line: #E7E8EF;           /* jemné linky a okraje */

    /* Spacing (násobky 8) */
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --space-6: 48px;
    --space-8: 64px;
    --space-12: 96px;

    --radius-card: 12px;
    --radius-btn: 10px;
    --shadow-card: 0 1px 3px rgba(17, 20, 24, .06), 0 1px 2px rgba(17, 20, 24, .04);
    --shadow-card-hover: 0 10px 24px rgba(17, 20, 24, .10), 0 3px 8px rgba(17, 20, 24, .06);

    --maxw: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { color: var(--text); line-height: 1.2; margin: 0 0 var(--space-3); font-weight: 700; }
h1 { font-size: 2.5rem; letter-spacing: -.02em; }   /* ~40px, roste níže */
h2 { font-size: 2rem; letter-spacing: -.01em; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 var(--space-3); }

a { color: var(--brand-blue-muted); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; }

@media (min-width: 768px) {
    h1 { font-size: 3rem; }   /* ~48px */
    h2 { font-size: 2rem; }
}

/* ---------- Layout ---------- */
.container {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 var(--space-3);
}

.section { padding: var(--space-8) 0; }
.section--band { background: var(--band); }

.text-secondary { color: var(--text-secondary); }
.lead { font-size: 1.125rem; color: var(--text-secondary); }

/* Přístupnost: skok na obsah */
.skip-link {
    position: absolute; left: -9999px; top: 0;
    background: var(--brand-blue); color: #fff; padding: var(--space-1) var(--space-2);
    border-radius: 0 0 var(--radius-btn) 0; z-index: 1000;
}
.skip-link:focus { left: 0; }

/* ---------- Hlavička ---------- */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255, 255, 255, .9);
    backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--line);
}
.site-header__inner {
    display: flex; align-items: center; justify-content: space-between;
    gap: var(--space-3); min-height: 68px; position: relative;
}
.site-logo { display: inline-flex; align-items: center; }
.site-logo img { height: 30px; width: auto; display: block; }

.nav { display: flex; align-items: center; gap: var(--space-1); }
.nav a {
    color: var(--text); padding: var(--space-1) 12px; border-radius: 8px;
    font-weight: 500; font-size: .975rem;
}
.nav a:hover { background: var(--band); color: var(--brand-blue-muted); text-decoration: none; }
.nav a.is-active { color: var(--brand-blue); }

.nav-toggle {
    display: none; background: none; border: 1px solid var(--line);
    border-radius: 8px; padding: 8px 10px; cursor: pointer; color: var(--text);
}

@media (max-width: 800px) {
    .nav-toggle { display: inline-flex; }
    .nav {
        display: none; position: absolute; left: 0; right: 0; top: 100%;
        flex-direction: column; align-items: stretch; gap: 2px;
        background: #fff; border-bottom: 1px solid var(--line);
        padding: var(--space-2) var(--space-3);
    }
    .nav.is-open { display: flex; }
    .nav a { padding: 12px; }
}

/* ---------- Tlačítka ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 22px; border-radius: var(--radius-btn);
    font-weight: 600; font-size: 1rem; line-height: 1; cursor: pointer;
    border: 1px solid transparent; transition: background .15s, border-color .15s, transform .05s;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--brand-blue); color: #fff; }
.btn-primary:hover { background: var(--brand-blue-muted); color: #fff; }

.btn-outline {
    background: transparent; color: var(--brand-blue); border-color: var(--brand-blue);
}
.btn-outline:hover { background: var(--brand-blue); color: #fff; }

/* ---------- Karty ---------- */
.card-grid {
    display: grid; gap: var(--space-3);
    grid-template-columns: 1fr;
}
@media (min-width: 768px) {
    .card-grid { grid-template-columns: repeat(3, 1fr); }
}
.card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius-card);
    padding: 28px; text-align: left;
    box-shadow: var(--shadow-card); transition: transform .15s, box-shadow .15s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); }
.card h3 { margin-bottom: var(--space-1); }
.card p:last-child { margin-bottom: 0; }

/* ---------- Hero ---------- */
.hero { padding: var(--space-12) 0 var(--space-8); }
.hero h1 { margin-bottom: var(--space-3); }
.hero .lead { max-width: 640px; margin-bottom: var(--space-4); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* ---------- Patička ---------- */
.site-footer {
    background: var(--text); color: #c9ccd6;
    padding: var(--space-8) 0 var(--space-6); margin-top: var(--space-12);
}
.site-footer a { color: #fff; }
.site-footer__grid {
    display: grid; gap: var(--space-6); grid-template-columns: 1fr;
}
@media (min-width: 768px) {
    .site-footer__grid { grid-template-columns: 2fr 1fr 1fr; }
}
.site-footer img.footer-logo { height: 34px; margin-bottom: var(--space-2); }
.site-footer h4 { color: #fff; font-size: .95rem; text-transform: uppercase; letter-spacing: .05em; margin-bottom: var(--space-2); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: var(--space-1); }
.site-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, .12);
    margin-top: var(--space-6); padding-top: var(--space-3);
    font-size: .875rem; color: #9aa0ad;
}

/* ---------- Záhlaví obsahové stránky ---------- */
.page-head { padding: var(--space-8) 0; }
.page-head h1 { margin-bottom: var(--space-2); }
.page-head__intro { max-width: 680px; margin-bottom: 0; }

/* ---------- Čitelný obsah (prose) ---------- */
.prose { max-width: 720px; }
.prose h2 { margin-top: var(--space-6); }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: var(--space-4); }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0 0 var(--space-3); }
.prose li { margin-bottom: 6px; }

/* ---------- Postup (kroky) ---------- */
.steps { margin: var(--space-4) 0; }
.steps__title { margin-bottom: var(--space-3); }
.steps__list { list-style: none; margin: 0; padding: 0; }
.steps__item { display: flex; gap: var(--space-2); margin-bottom: var(--space-3); }
.steps__num {
    flex: 0 0 auto; width: 32px; height: 32px; border-radius: 50%;
    background: var(--brand-blue); color: #fff; font-weight: 700;
    display: inline-flex; align-items: center; justify-content: center; font-size: .95rem;
}
.steps__body p { margin: 4px 0 0; color: var(--text-secondary); }

/* ---------- Zvýrazněný blok (callout) ---------- */
.callout {
    display: flex; gap: var(--space-2); align-items: flex-start;
    background: var(--band); border: 1px solid var(--line);
    border-left: 4px solid var(--brand-blue);
    border-radius: var(--radius-card); padding: var(--space-3);
    margin: var(--space-4) 0;
}
.callout__icon {
    flex: 0 0 auto; width: 24px; height: 24px; border-radius: 50%;
    background: var(--brand-blue); color: #fff; font-weight: 700; font-style: italic;
    display: inline-flex; align-items: center; justify-content: center; font-size: .9rem;
}
.callout__text :last-child { margin-bottom: 0; }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; }
.faq__item {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius-card);
    padding: var(--space-2) var(--space-3); margin-bottom: var(--space-2);
}
.faq__q {
    cursor: pointer; font-weight: 600; list-style: none;
    display: flex; justify-content: space-between; align-items: center; gap: var(--space-2);
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after { content: "+"; color: var(--brand-blue); font-size: 1.4rem; line-height: 1; }
.faq__item[open] .faq__q::after { content: "–"; }
.faq__a { padding-top: var(--space-2); color: var(--text-secondary); }
.faq__a :last-child { margin-bottom: 0; }

/* ---------- Transparentnost (fakta) ---------- */
.facts { max-width: 560px; margin: 0; }
.facts__row {
    display: flex; gap: var(--space-3); padding: 12px 0;
    border-bottom: 1px solid var(--line);
}
.facts__row dt { flex: 0 0 140px; color: var(--text-secondary); margin: 0; }
.facts__row dd { margin: 0; font-weight: 500; }

/* ---------- Výpis novinek ---------- */
.news-list { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
@media (min-width: 768px) { .news-list { grid-template-columns: repeat(2, 1fr); } }
.news-item {
    display: block; color: inherit; text-decoration: none;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius-card);
    padding: var(--space-3); box-shadow: var(--shadow-card);
    transition: transform .15s, box-shadow .15s;
}
.news-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); text-decoration: none; }
.news-item h3 { margin: 6px 0; }
.news-item p { margin: 0; }
.news-item__meta { display: flex; gap: var(--space-2); align-items: center; font-size: .85rem; color: var(--text-secondary); }
.news-item__tag {
    background: var(--band); border: 1px solid var(--line); border-radius: 999px;
    padding: 2px 10px; color: var(--brand-blue-muted); font-weight: 600;
}

.pagination { display: flex; gap: var(--space-3); align-items: center; margin-top: var(--space-6); }
.pagination span { color: var(--text-secondary); }

/* ---------- Formulář ---------- */
.form__row { margin-bottom: var(--space-3); }
.form__row label { display: block; font-weight: 600; margin-bottom: 6px; }
.form input[type="text"], .form input[type="email"], .form input[type="number"],
.form input[type="url"], .form input[type="date"], .form select, .form textarea {
    width: 100%; padding: 12px 14px; font: inherit; color: var(--text);
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius-btn);
}
.form textarea { min-height: 140px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus {
    outline: none; border-color: var(--brand-blue); box-shadow: 0 0 0 3px rgba(0, 0, 248, .12);
}
.form__help { display: block; color: var(--text-secondary); margin-top: 4px; }
.form__error { display: block; color: #c0261c; margin-top: 4px; }

/* ---------- Cookie lišta ---------- */
.cookiebar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 200;
    background: #fff; border-top: 1px solid var(--line);
    box-shadow: 0 -6px 24px rgba(17, 20, 24, .08);
}
.cookiebar__inner {
    display: flex; gap: var(--space-3); align-items: center;
    justify-content: space-between; padding: var(--space-3) var(--space-3);
    flex-wrap: wrap;
}
.cookiebar__text { margin: 0; font-size: .95rem; max-width: 70ch; }
.cookiebar__actions { display: flex; gap: var(--space-2); flex-shrink: 0; }
.cookiebar .btn { padding: 10px 18px; }
@media (max-width: 600px) {
    .cookiebar__actions { width: 100%; }
    .cookiebar__actions .btn { flex: 1; }
}