/* ISIC brand – tokeny vytažené z živého CSS isic.cz (app.css):
   primární fialová #5438dc, navy text #231651, teal #40b8b8 / #e3f5f5,
   světle fialová #f5f3fd, červená #fd6056, žlutá #ffe66d; font Plus Jakarta Sans;
   pill tlačítka (radius 50rem), karty 12px. */
:root {
    --isic-purple: #5438dc;
    --isic-purple-dark: #3f29ac;
    --isic-purple-light: #f5f3fd;
    --isic-navy: #231651;
    --isic-teal: #40b8b8;
    --isic-teal-light: #e3f5f5;
    --isic-red: #fd6056;
    --isic-yellow: #ffe66d;
    --isic-white: #fff;
    --isic-muted: #6b647f;
    --isic-border: #d9d4ea;

    --radius-card: 12px;
    --radius-input: 12px;
    --radius-pill: 50rem;

    --maxw: 760px;
    --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--font);
    color: var(--isic-navy);
    background: var(--isic-purple-light);
    line-height: 1.6;
    font-size: 17px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a { color: var(--isic-purple); }

/* ---- Hlavička ---- */
.site-header {
    background: var(--isic-white);
    border-bottom: 1px solid var(--isic-border);
}
.site-header__inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.site-header__logo { display: inline-flex; text-decoration: none; }
.site-header__brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}
.site-header__brand img { display: block; }
.brand-badge { height: 40px; width: 40px; }
.brand-uniqa { height: 28px; width: auto; margin-left: 6px; }
.site-header__contact {
    font-size: 14px;
    color: var(--isic-muted);
    text-align: right;
    line-height: 1.4;
}
.site-header__contact a { color: var(--isic-navy); text-decoration: none; font-weight: 600; }

/* ---- Obsah ---- */
main {
    flex: 1 0 auto;
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 40px 20px;
}
.card {
    background: var(--isic-white);
    border-radius: var(--radius-card);
    padding: 36px;
    box-shadow: 0 10px 30px rgba(35, 22, 81, 0.08);
}
h1 {
    font-size: clamp(1.6rem, 4vw, 2.1rem);
    line-height: 1.2;
    margin: 0 0 16px;
    color: var(--isic-navy);
}
.lead { font-size: 1.05rem; color: var(--isic-navy); margin: 0 0 28px; }

/* ---- Formulář ---- */
.field { margin-bottom: 22px; }
.field label {
    display: block;
    font-weight: 700;
    margin-bottom: 8px;
}
.field input[type="text"],
.field input[type="email"] {
    width: 100%;
    padding: 13px 16px;
    font: inherit;
    color: var(--isic-navy);
    background: var(--isic-white);
    border: 1px solid var(--isic-border);
    border-radius: var(--radius-input);
    transition: border-color .15s, box-shadow .15s;
}
.field input:focus {
    outline: none;
    border-color: var(--isic-purple);
    box-shadow: 0 0 0 3px rgba(84, 56, 220, 0.18);
}
.field input[aria-invalid="true"] { border-color: var(--isic-red); }
.field .req { color: #e3000f; margin-left: 3px; font-weight: 700; }
.field .hint { display: block; margin-top: 6px; font-size: 14px; color: var(--isic-muted); }
.field .error { display: block; margin-top: 6px; font-size: 14px; color: var(--isic-red); font-weight: 600; }

.alert {
    background: var(--isic-red);
    color: var(--isic-white);
    padding: 14px 18px;
    border-radius: var(--radius-input);
    margin-bottom: 24px;
    font-weight: 600;
}

/* ---- Tlačítko (pill, brand) ---- */
.btn {
    display: inline-block;
    border: 0;
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    color: var(--isic-white);
    background: var(--isic-purple);
    padding: 15px 32px;
    border-radius: var(--radius-pill);
    transition: background-color .15s, transform .05s;
    text-decoration: none;
}
.btn:hover { background: var(--isic-purple-dark); }
.btn:active { transform: translateY(1px); }
.btn--block { width: 100%; }

/* ---- Poznámka pod tlačítkem ---- */
.form-note {
    margin: 16px 0 0;
    font-size: 14px;
    line-height: 1.5;
    color: var(--isic-muted);
    text-align: center;
}
.form-note a { color: var(--isic-purple); font-weight: 600; }

/* ---- Honeypot ---- */
.hp { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---- Patička ---- */
.site-footer {
    flex-shrink: 0;
    background: var(--isic-navy);
    color: rgba(255, 255, 255, 0.85);
    margin-top: 48px;
}
.site-footer__inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 36px 20px 28px;
    font-size: 15px;
}
.site-footer a { color: var(--isic-white); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
}
.site-footer__contact { margin: 0 0 18px; line-height: 1.7; }
.site-footer__contact strong { color: var(--isic-white); }
.site-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 16px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 560px) {
    .site-header__inner { flex-direction: column; align-items: flex-start; }
    .site-header__contact { text-align: left; }
    .site-header__brand { flex-wrap: wrap; gap: 10px; }
    .brand-badge { height: 36px; width: 36px; }
    .card { padding: 24px 20px; }
    main { padding: 28px 16px; }
}