/* ==================================================================
   E-ÚČTÁRNA.cz
   Helvetica Neue, tmavý úvodní pruh, střídavé sekce, hairline rastr.
   Jeden soubor, žádné externí knihovny ani webové fonty.
   ================================================================== */

:root {
    /* Tmavá plocha – lišta, úvod, patička */
    --tmava:      #0f2027;
    --tmava-2:    #16303a;
    --tmava-3:    #24454f;

    /* Světlá plocha */
    --pisek:      #f7f4ef;
    --papir:      #ffffff;

    --inkoust:    #14232b;
    --inkoust-2:  #3d5561;
    --tlumeny:    #6f8794;

    --linka:      #e6ded1;
    --linka-2:    #d7cbb8;

    --teal:       #0e7c86;
    --teal-tmavy: #0a5c64;
    --teal-svetly:#4fd1c5;
    --teal-jemny: #e4f1f2;

    --jantar:     #d4952b;
    --cervena:    #a32b2b;
    --cervena-jemna: #fbe9e7;
    --zelena:     #1f6b46;
    --zelena-jemna:  #e5f3ec;

    --r:      20px;   /* karty */
    --r-maly: 10px;   /* pole, tlačítka */

    --sirka: 1140px;

    --font: "Helvetica Neue", Helvetica, Arial, "Liberation Sans", sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --pisek:      #0c161b;
        --papir:      #12222a;

        --inkoust:    #e9f0f2;
        --inkoust-2:  #b6c8d0;
        --tlumeny:    #8ba0aa;

        --linka:      #22383f;
        --linka-2:    #2f4b54;

        --teal:       #55c9cf;
        --teal-tmavy: #7fdbdf;
        --teal-jemny: #10333a;

        --cervena:       #f19a94;
        --cervena-jemna: #3a1d1c;
        --zelena:        #7fd0a4;
        --zelena-jemna:  #14301f;
    }
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
    margin: 0;
    background: var(--pisek);
    color: var(--inkoust);
    font-family: var(--font);
    font-size: 17px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3 {
    margin: 0;
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -.025em;   /* Helvetica Neue snese těsnější prostrkání */
}

p { margin: 0; }

a { color: var(--teal); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--teal-tmavy); }

.obal {
    width: 100%;
    max-width: var(--sirka);
    margin-inline: auto;
    padding-inline: 26px;
}

.preskocit { position: absolute; left: -9999px; }
.preskocit:focus {
    left: 12px; top: 12px; z-index: 60;
    background: var(--papir); color: var(--inkoust);
    padding: 10px 16px; border-radius: var(--r-maly);
}

:where(a, button, input, textarea):focus-visible {
    outline: 2px solid var(--teal-svetly);
    outline-offset: 2px;
}

/* ================= Horní oznamovací pruh ================= */

.oznameni {
    background: var(--jantar);
    color: #2a1c05;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .04em;
}
.oznameni-obal {
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    text-align: center;
    padding-block: 6px;
}
.oznameni-oddel { opacity: .5; }
.tecka {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: #2a1c05;
    animation: puls 2.4s ease-in-out infinite;
}
@keyframes puls {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: .3; transform: scale(.75); }
}

/* ================= Lišta ================= */

.lista {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(15, 32, 39, .94);
    backdrop-filter: saturate(160%) blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, .09);
}

.lista-obal {
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    padding-block: 10px;
}

.znacka {
    display: flex;
    align-items: center;
    gap: 11px;
    color: #fff;
    text-decoration: none;
    font-size: 1.16rem;
    font-weight: 700;
    letter-spacing: -.01em;
    white-space: nowrap;
}
.znacka img {
    display: block;
    width: 30px;
    height: 30px;
    border-radius: 6px;
}
.znacka-e  { color: var(--teal-svetly); }
.znacka-cz { color: rgba(255, 255, 255, .45); font-weight: 400; }

.lista-vpravo {
    display: flex;
    align-items: center;
    gap: 22px;
    font-size: .92rem;
}
.lista-vpravo a {
    color: rgba(255, 255, 255, .72);
    text-decoration: none;
    white-space: nowrap;
}
.lista-vpravo a:hover { color: #fff; }
.lista-vpravo .tl-mini {
    padding: 9px 18px;
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: 999px;
    color: #fff;
}
.lista-vpravo .tl-mini:hover {
    background: #fff;
    color: var(--tmava);
    border-color: #fff;
}
@media (max-width: 620px) {
    .lista-skryt { display: none; }
}

/* ================= Úvodní tmavý pruh ================= */

.uvod {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(1100px 520px at 78% -8%, rgba(79, 209, 197, .17), transparent 62%),
        linear-gradient(168deg, var(--tmava-2) 0%, var(--tmava) 62%);
    color: #fff;
}

/* Jemný rastr, ať plocha není prázdná */
.uvod::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
    background-size: 74px 74px;
    mask-image: radial-gradient(circle at 68% 20%, #000, transparent 78%);
    pointer-events: none;
}

.uvod-obal {
    position: relative;
    padding-block: clamp(60px, 9vw, 116px);
    max-width: 860px;
}

.kicker {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    margin-bottom: 26px;
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .13em;
    text-transform: uppercase;
    color: var(--teal-svetly);
}
.kicker::before {
    content: "";
    width: 30px; height: 1px;
    background: var(--teal-svetly);
    opacity: .6;
}

h1 {
    font-size: clamp(2.5rem, 6.6vw, 4.4rem);
    font-weight: 600;
    margin-bottom: 26px;
}
h1 .prisvit { color: var(--teal-svetly); }

.uvod-text {
    font-size: clamp(1.04rem, 1.9vw, 1.22rem);
    color: rgba(255, 255, 255, .72);
    max-width: 620px;
    margin-bottom: 36px;
}
.uvod-text strong { color: #fff; font-weight: 600; }

.tlacitka {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

/* Pás faktů pod úvodem */
.fakta {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    border-top: 1px solid rgba(255, 255, 255, .13);
    padding-top: 30px;
}
.fakta div {
    padding-right: 40px;
    margin-right: 40px;
    border-right: 1px solid rgba(255, 255, 255, .13);
}
.fakta div:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.fakta dt {
    font-size: 1.9rem;
    font-weight: 600;
    letter-spacing: -.03em;
    font-variant-numeric: tabular-nums;
    margin-bottom: 2px;
}
.fakta dd {
    margin: 0;
    font-size: .84rem;
    color: rgba(255, 255, 255, .55);
}
@media (max-width: 620px) {
    .fakta div {
        padding-right: 22px;
        margin-right: 22px;
    }
    .fakta dt { font-size: 1.45rem; }
}

/* ================= Tlačítka ================= */

.tl {
    display: inline-block;
    padding: 14px 28px;
    border-radius: var(--r-maly);
    border: 1px solid transparent;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: transform .12s ease, background-color .18s ease, border-color .18s ease, color .18s ease;
}
.tl:hover  { transform: translateY(-1px); }
.tl:active { transform: translateY(0); }

.tl-hlavni {
    background: var(--teal-svetly);
    color: #06232a;
}
.tl-hlavni:hover { background: #6fdcd2; color: #06232a; }

.tl-vedlejsi {
    border-color: rgba(255, 255, 255, .3);
    color: #fff;
}
.tl-vedlejsi:hover { background: rgba(255, 255, 255, .1); color: #fff; }

/* Tlačítko na světlém podkladu (formulář) */
.tl-svetly {
    background: var(--tmava);
    color: #fff;
}
.tl-svetly:hover { background: var(--tmava-2); color: #fff; }

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .tl-svetly { background: var(--teal); color: #06232a; }
    :root:not([data-theme="light"]) .tl-svetly:hover { background: var(--teal-tmavy); color: #06232a; }
}

/* ================= Sekce ================= */

.sekce { padding-block: clamp(52px, 7.5vw, 92px); }
.sekce-papir { background: var(--papir); border-block: 1px solid var(--linka); }

.hlavicka-sekce {
    max-width: 640px;
    margin-bottom: 46px;
}
.nadpis {
    font-size: clamp(1.75rem, 3.6vw, 2.5rem);
    margin-bottom: 12px;
}
.podnadpis {
    color: var(--tlumeny);
    font-size: 1.03rem;
}

/* ================= Kontaktní pás ================= */

.kontakty {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0;
}
.kontakty > div {
    padding: 4px 34px;
    border-left: 1px solid var(--linka);
}
.kontakty > div:first-child { border-left: 0; padding-left: 0; }
@media (max-width: 800px) {
    .kontakty > div {
        border-left: 0;
        border-top: 1px solid var(--linka);
        padding: 22px 0;
    }
    .kontakty > div:first-child { border-top: 0; padding-top: 0; }
}

.kontakty h2 {
    font-size: .74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .13em;
    color: var(--tlumeny);
    margin-bottom: 10px;
}
.hodnota {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -.02em;
    color: var(--inkoust);
    text-decoration: none;
    margin-bottom: 5px;
    word-break: break-word;
}
a.hodnota:hover { color: var(--teal); }
.kontakty p { font-size: .87rem; color: var(--tlumeny); }

/* ================= Působnost + mapa ================= */

/* Mapa dostane pevný strop, zbytek šířky patří textu – jinak se
   nadpis „…z celé ČR." láme na tři řádky. */
.pusobnost {
    display: grid;
    grid-template-columns: minmax(240px, 340px) 1fr;
    gap: clamp(30px, 4.5vw, 60px);
    align-items: center;
}
@media (max-width: 860px) {
    .pusobnost { grid-template-columns: 1fr; }
}

.mapa {
    display: block;
    width: 100%;
    height: auto;
    overflow: visible;
}

.mapa-zem    { fill: var(--teal-jemny); }
.mapa-tecka  { fill: var(--teal); opacity: .3; }
.mapa-obrys  { fill: none; stroke: var(--teal); stroke-width: 1.6; opacity: .55; }

.mapa-jadro  { fill: var(--teal); stroke: var(--papir); stroke-width: 2; }
/* Animujeme transform, ne atribut r – geometrické vlastnosti v CSS
   neumí starší Firefox a kroužek by se vůbec nehýbal. */
.mapa-vlna {
    fill: none;
    stroke: var(--teal);
    stroke-width: 2;
    transform-origin: center;
    transform-box: fill-box;
    animation: vlna 2.8s ease-out infinite;
}
@keyframes vlna {
    0%   { transform: scale(1); opacity: .7; }
    100% { transform: scale(4); opacity: 0; }
}

.pusobnost-text .nadpis {
    margin-bottom: 16px;
    text-wrap: balance;   /* rovnoměrné zalomení místo osamělého slova na konci */
}

.odrazky {
    list-style: none;
    margin: 26px 0 0;
    padding: 0;
    display: grid;
    gap: 11px;
}
.odrazky li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 12px;
    align-items: start;
    font-size: .96rem;
    color: var(--inkoust-2);
}
.odrazky li::before {
    content: "";
    width: 7px;
    height: 7px;
    margin-top: .5em;
    border-radius: 2px;
    background: var(--teal);
}

/* ================= Služby – číslovaný výpis ================= */

.sluzby {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
    column-gap: 56px;
}

.sluzby li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 20px;
    align-items: start;
    padding: 26px 0;
    border-top: 1px solid var(--linka);
}

.cislo {
    font-size: .78rem;
    font-weight: 700;
    color: var(--teal);
    font-variant-numeric: tabular-nums;
    padding-top: 5px;
    letter-spacing: .04em;
}

.sluzby h3 { font-size: 1.16rem; margin-bottom: 6px; }
.sluzby p  { color: var(--tlumeny); font-size: .94rem; }

.poznamka {
    margin-top: 40px;
    padding: 22px 26px;
    background: var(--teal-jemny);
    border-radius: var(--r);
    color: var(--inkoust-2);
    font-size: .97rem;
    max-width: 720px;
}

/* ================= Formulář ================= */

.formular-karta {
    background: var(--papir);
    border: 1px solid var(--linka);
    border-radius: var(--r);
    padding: clamp(26px, 4.4vw, 52px);
    max-width: 800px;
    margin-inline: auto;
    box-shadow: 0 1px 2px rgba(20, 35, 43, .04), 0 26px 60px -32px rgba(20, 35, 43, .3);
}
.sekce-papir .formular-karta { background: var(--pisek); }

.radek {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
@media (max-width: 620px) { .radek { grid-template-columns: 1fr; } }

.pole { margin-bottom: 20px; }

.pole label,
.souhlas label {
    display: block;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .02em;
    color: var(--inkoust-2);
    margin-bottom: 7px;
}
.povinne { color: var(--cervena); font-weight: 400; }

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
    width: 100%;
    padding: 13px 15px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--inkoust);
    background: var(--papir);
    border: 1px solid var(--linka-2);
    border-radius: var(--r-maly);
    transition: border-color .16s ease, box-shadow .16s ease;
}
.sekce-papir input, .sekce-papir textarea { background: var(--papir); }

input:focus, textarea:focus {
    outline: none;
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(14, 124, 134, .16);
}

textarea { resize: vertical; min-height: 140px; }

.past { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.radek-overeni { align-items: end; margin-bottom: 20px; }

.overeni-zadani img {
    display: block;
    border: 1px solid var(--linka-2);
    border-radius: var(--r-maly);
}
.pomocny { margin-top: 8px; font-size: .8rem; color: var(--tlumeny); }

.matematika {
    padding: 17px 20px;
    background: var(--pisek);
    border: 1px solid var(--linka-2);
    border-radius: var(--r-maly);
    font-size: 1.15rem;
    text-align: center;
}
.sekce-papir .matematika { background: var(--pisek); }

.souhlas { margin: 6px 0 26px; }
.souhlas label {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 11px;
    align-items: start;
    font-size: .87rem;
    font-weight: 400;
    color: var(--tlumeny);
    line-height: 1.5;
}
.souhlas input { margin-top: 3px; accent-color: var(--teal); }

/* ================= Hlášky ================= */

.hlaska {
    padding: 17px 21px;
    border-radius: var(--r-maly);
    margin-bottom: 28px;
    font-size: .94rem;
    border: 1px solid;
}
.hlaska strong { display: block; margin-bottom: 3px; }
.hlaska ul { margin: 8px 0 0; padding-left: 20px; }
.hlaska-ok {
    background: var(--zelena-jemna);
    border-color: rgba(31, 107, 70, .3);
    color: var(--zelena);
}
.hlaska-chyba {
    background: var(--cervena-jemna);
    border-color: rgba(163, 43, 43, .3);
    color: var(--cervena);
}

/* ================= Patička ================= */

.paticka {
    background: var(--tmava);
    color: rgba(255, 255, 255, .55);
    padding-top: 58px;
}

.paticka-obal {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
    gap: 36px;
    padding-bottom: 46px;
}

.paticka h2 {
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .13em;
    color: rgba(255, 255, 255, .38);
    margin-bottom: 12px;
}
.paticka p { font-size: .91rem; line-height: 1.85; }
.paticka a { color: rgba(255, 255, 255, .78); text-decoration: none; }
.paticka a:hover { color: #fff; text-decoration: underline; }

.paticka-znacka {
    font-size: 1.16rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -.01em;
    margin-bottom: 10px;
    display: block;
}

.paticka-dole {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding-block: 22px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    font-size: .82rem;
    color: rgba(255, 255, 255, .4);
}
.paticka-dole time { font-variant-numeric: tabular-nums; }