/* ===== Tekishine – černobílý minimalistický design ===== */
:root {
    --text: #7a7a7a;
    --heading: #000;
    --bg: #fff;
    --radius: 50px; /* modernější zaoblená tlačítka */
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Roboto', sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

/* ===== Hlavička (podstránky) ===== */
.site-header {
    padding: 18px 40px;
    background: #fff;
}
.main-nav .menu {
    list-style: none;
    display: flex;
    gap: 34px;
}
.main-nav .menu a {
    text-decoration: none;
    color: #000;
    font-weight: 900;
    font-size: 15px;
    line-height: 2em;
    transition: color .2s;
}
.main-nav .menu a:hover { color: #828282; }
.main-nav .menu a.active { color: #464646; }

.nav-toggle {
    display: none;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #000;
    margin: 5px 0;
    transition: .2s;
}

/* ===== Úvodní stránka – hero ===== */
.page-home { overflow-x: hidden; }
.hero {
    position: relative;
    min-height: 100vh;
    max-width: 1240px;
    margin: 0 auto;
    padding: 47px clamp(24px, 7vw, 96px) 60px;
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: start;
    gap: 24px;
}
.hero-title {
    font-family: 'Open Sans', sans-serif;
    font-weight: 800;
    font-size: clamp(64px, 11.5vw, 151px);
    line-height: .98;
    color: #000;
    margin-top: clamp(60px, 19vh, 172px);
    letter-spacing: 0;
}
.hero-nav {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 1px;
    margin-top: 21px;
    padding-right: 18px;
}
.hero-nav a {
    font-weight: 900;
    font-size: clamp(17px, 2vw, 25px);
    line-height: 1;
    padding: 5px 0;
    color: #000;
    text-decoration: none;
    transition: color .2s;
}
.hero-nav a:hover { color: #595959; }
.hero-photo img {
    width: clamp(280px, 37vw, 459px);
    aspect-ratio: 459 / 695;
    object-fit: cover;
}
.hero-social {
    position: absolute;
    left: clamp(28px, 7.3vw, 100px);
    bottom: 56px;
    display: flex;
    gap: 14px;
}
.hero-social a { color: #000; transition: color .2s; }
.hero-social a:hover { color: #595959; }

/* ===== Sekce ===== */
.section {
    max-width: 1140px;
    margin: 0 auto;
    padding: 70px 30px;
}

.page-heading {
    font-weight: 600;
    font-size: 48px;
    color: var(--heading);
    text-align: center;
    margin-bottom: 40px;
}

.sub-heading {
    font-weight: 600;
    font-size: 28px;
    color: var(--heading);
    margin: 38px 0 14px;
}

.text-body p { margin-bottom: 1em; }
.text-body p:last-child { margin-bottom: 0; }
.text-body strong { color: #000; font-weight: 700; }
.text-body a { color: #000; }

/* ===== O mně / Kontakt – dvousloupec s fotkou ===== */
.split {
    display: grid;
    grid-template-columns: minmax(280px, 420px) 1fr;
    gap: 60px;
    align-items: start;
}
.split-photo img { width: 100%; }

/* ===== Ceník ===== */
.price-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    padding: 30px 0;
}
.price-heading {
    font-weight: 600;
    font-size: 22px;
    color: var(--heading);
    margin-bottom: 18px;
}
.variants p { margin-bottom: 1.4em; }
.divider {
    border: 0;
    border-top: 1px solid #000;
    margin: 15px 0;
}
.cta-block {
    text-align: center;
    padding: 60px 0 10px;
}
.cta-block h3 {
    font-weight: 600;
    font-size: 26px;
    color: var(--heading);
    margin-bottom: 28px;
}

.voucher-intro {
    font-weight: 600;
    font-size: 19px;
    color: var(--heading);
    margin-bottom: 30px;
}

/* ===== Tlačítka – modernější, zaoblenější ===== */
.btn {
    display: inline-block;
    background: #000;
    color: #fff;
    border: 0;
    border-radius: var(--radius);
    padding: 14px 38px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: .3px;
    text-decoration: none;
    cursor: pointer;
    transition: background .2s, transform .15s, box-shadow .2s;
}
.btn:hover {
    background: #2b2b2b;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, .18);
}

/* ===== Portfolio – filtry + masonry ===== */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 38px;
}
.filter-btn {
    background: #fff;
    border: 1.5px solid #000;
    border-radius: var(--radius);
    color: #000;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    padding: 9px 22px;
    cursor: pointer;
    transition: background .2s, color .2s;
}
.filter-btn:hover { background: #f0f0f0; }
.filter-btn.active { background: #000; color: #fff; }

.masonry {
    columns: 4 260px;
    column-gap: 12px;
}
.masonry-item {
    display: block;
    margin-bottom: 12px;
    break-inside: avoid;
    overflow: hidden;
    border-radius: 6px;
}
.masonry-item img {
    width: 100%;
    transition: transform .35s, opacity .35s;
}
.masonry-item:hover img { transform: scale(1.03); opacity: .88; }
.masonry-item.hidden { display: none; }

/* ===== Lightbox ===== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(0, 0, 0, .92);
    display: flex;
    align-items: center;
    justify-content: center;
}
.lightbox[hidden] { display: none; }
.lightbox img {
    max-width: 92vw;
    max-height: 92vh;
    width: auto;
    height: auto;
    object-fit: contain;
}
.lightbox button {
    position: absolute;
    background: none;
    border: 0;
    color: #fff;
    font-size: 44px;
    line-height: 1;
    cursor: pointer;
    padding: 16px;
    opacity: .8;
    transition: opacity .2s;
}
.lightbox button:hover { opacity: 1; }
.lb-close { top: 10px; right: 18px; }
.lb-prev { left: 10px; top: 50%; transform: translateY(-50%); font-size: 60px; }
.lb-next { right: 10px; top: 50%; transform: translateY(-50%); font-size: 60px; }

/* ===== Kontakt ===== */
.contact-list {
    list-style: none;
    margin: 26px 0;
}
.contact-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: #000;
}
.contact-list a { text-decoration: none; }
.contact-list a:hover { text-decoration: underline; }
.contact-social {
    display: flex;
    gap: 14px;
    margin-bottom: 10px;
}
.contact-social a { color: #000; transition: color .2s; }
.contact-social a:hover { color: #595959; }

.form-heading, .form-block h3 {
    font-weight: 600;
    font-size: 24px;
    color: var(--heading);
    margin: 34px 0 18px;
}

/* ===== Formuláře ===== */
.site-form input[type=text],
.site-form input[type=email],
.site-form select,
.site-form textarea {
    width: 100%;
    font-family: inherit;
    font-size: 15px;
    color: #333;
    background: #fff;
    border: 1.5px solid #ccc;
    border-radius: 14px;
    padding: 12px 16px;
    margin-bottom: 14px;
    transition: border-color .2s;
}
.site-form input:focus,
.site-form select:focus,
.site-form textarea:focus {
    outline: none;
    border-color: #000;
}
.site-form textarea { resize: vertical; }
.site-form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1.4fr auto;
    gap: 12px;
    align-items: start;
}
.form-grid input, .form-grid select { margin-bottom: 0; }

.form-msg { margin-bottom: 16px; font-weight: 600; }
.form-msg.ok { color: #1c7c31; }
.form-msg.err { color: #b3261e; }

/* ===== Patička ===== */
.site-footer {
    border-top: 1px solid #eee;
    text-align: center;
    padding: 40px 20px 30px;
    margin-top: 40px;
}
.footer-menu {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    margin-bottom: 20px;
}
.footer-menu a {
    text-decoration: none;
    color: #000;
    font-size: 14px;
    font-weight: 600;
}
.footer-menu a:hover { color: #828282; }
.footer-social {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-bottom: 18px;
}
.footer-social a { color: #000; }
.footer-social a:hover { color: #595959; }
.copyright { font-size: 13px; color: #9a9a9a; }

/* ===== Responzivita ===== */
@media (max-width: 920px) {
    .hero {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
        padding-top: 30px;
    }
    .hero-title { margin-top: 10px; }
    .hero-nav { align-items: center; padding-right: 0; }
    .hero-photo img { width: min(72vw, 355px); }
    .hero-social {
        position: static;
        justify-content: center;
        margin-top: 10px;
    }

    .split { grid-template-columns: 1fr; gap: 36px; }
    .split-photo { max-width: 420px; margin: 0 auto; }
    .price-row { grid-template-columns: 1fr; gap: 36px; padding: 20px 0; }
    .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .site-header { padding: 14px 20px; }
    .nav-toggle { display: block; }
    .main-nav { display: flex; justify-content: flex-end; }
    .main-nav .menu {
        display: none;
        position: absolute;
        top: 58px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: center;
        gap: 4px;
        padding: 16px 0;
        box-shadow: 0 12px 24px rgba(0, 0, 0, .08);
        z-index: 50;
    }
    .main-nav.open .menu { display: flex; }
    .site-header { position: relative; }
    .section { padding: 44px 20px; }
    .page-heading { font-size: 34px; }
}