/* ZAJDAS DESIGN - MASTER STYLE 2026 */
:root {
    --bg-dark: #0a0a0a;
    --card-bg: #111111;
    --accent: #d4a373;
    --text-main: #f5f5f5;
    --text-dim: #a3a3a3;
    --border: #1f1f1f;
    --nav-h: 62px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

.mono { font-family: 'JetBrains Mono', monospace; }
.accent-text { color: var(--accent) !important; }
.uppercase { text-transform: uppercase; }
.italic { font-style: italic; }

/* ========================
   NAVIGACE
   ======================== */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    height: var(--nav-h);
    border-bottom: 1px solid var(--border);
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(15px);
    z-index: 1000;
}
nav .logo {
    text-decoration: none;
    font-weight: 900;
    color: #fff;
    font-size: 1.05rem;
    letter-spacing: 0.05em;
}
nav .links a {
    color: var(--text-dim);
    text-decoration: none;
    margin-left: 1.5rem;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: 0.25s;
}
nav .links a:hover,
nav .links a.active { color: var(--accent); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 22px; height: 1.5px; background: var(--text-main); margin: 5px 0; transition: 0.3s; }

/* ========================
   SIDEBAR S IKONAMI
   ======================== */
.contact-sidebar {
    position: fixed;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    z-index: 9999;
    background: rgba(17, 17, 17, 0.95);
    padding: 1.1rem 0.75rem;
    border-radius: 40px;
    border: 1px solid var(--accent);
    backdrop-filter: blur(10px);
}
.contact-sidebar a {
    color: var(--text-dim);
    transition: 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 28px;
    height: 28px;
    text-decoration: none;
}
.contact-sidebar a:hover { color: var(--accent); transform: scale(1.2); }
.contact-sidebar svg { width: 19px; height: 19px; stroke-width: 1.5px; fill: none; stroke: currentColor; }

/* ========================
   HERO BENTO GRID — homepage
   ======================== */
.hero-bento-grid {
    display: grid;
    grid-template-columns: 1.8fr 1.3fr 0.85fr;
    grid-template-rows: 1fr 1fr;
    gap: 0.6rem;
    padding: calc(var(--nav-h) + 0.6rem) calc(5% + 72px) 0.6rem 5%;
    height: calc(100vh - 144px);
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

.hero-header {
    grid-column: 1;
    grid-row: 1 / 3;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    min-height: 0;
}
.hero-header h1 {
    font-size: clamp(1.9rem, 3.8vw, 4rem);
    font-weight: 900;
    line-height: 0.88;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}
.hero-header .hero-sub {
    font-size: 0.65rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: 'JetBrains Mono', monospace;
    margin-top: 1rem;
    line-height: 1.7;
}

/* ── BENTO KARTA — základ ── */
.bento-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.3s, background 0.3s;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    position: relative;
    overflow: hidden;
    min-height: 0;
}
.bento-card:hover { border-color: var(--accent); background: #161616; }

/* číslo nahoře — šedé, velmi malé */
.bento-card .card-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.52rem;
    letter-spacing: 0.2em;
    color: var(--text-dim);
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.5rem;
    opacity: 0.6;
}
/* EN název — žlutý, výrazný, nad CZ */
.bento-card .card-en {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    color: var(--accent);
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.2rem;
    font-weight: 700;
}
/* CZ název — velký, bílý, dominantní */
.bento-card h3 {
    font-size: 1.35rem;
    font-weight: 900;
    text-transform: uppercase;
    line-height: 1.0;
    margin-bottom: 0.4rem;
    color: var(--text-main);
    letter-spacing: -0.01em;
}
.bento-card p {
    font-size: 0.7rem;
    color: var(--text-dim);
    line-height: 1.5;
}

/* Pozice karet */
.bento-card.portrait     { grid-column: 2; grid-row: 1; }
.bento-card.square       { grid-column: 3; grid-row: 1; }
.bento-card.landscape    { grid-column: 2; grid-row: 2; }
.bento-card.small-square { grid-column: 3; grid-row: 2; }

/* ── B2B LIŠTA ── */
.b2b-strip-wrap {
    padding: 0 calc(5% + 72px) 0.6rem 5%;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}
.bento-card.b2b-card {
    border-color: rgba(212, 163, 115, 0.3);
    background: #0e0b07;
    padding: 1rem 1.5rem;
}
.bento-card.b2b-card:hover { border-color: var(--accent); background: #15100a; }
.b2b-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}
.b2b-inner h3 { font-size: 1rem; margin-bottom: 0.2rem; }
.b2b-inner p  { font-size: 0.68rem; }
.b2b-tag {
    font-size: 0.52rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    border: 1px solid rgba(212, 163, 115, 0.4);
    display: inline-block;
    padding: 0.18rem 0.55rem;
    margin-bottom: 0.5rem;
}
.b2b-arrow {
    width: 22px; height: 22px;
    stroke: var(--accent);
    fill: none;
    stroke-width: 1.5;
    flex-shrink: 0;
    opacity: 0.6;
    transition: opacity 0.3s, transform 0.3s;
}
.bento-card.b2b-card:hover .b2b-arrow { opacity: 1; transform: translateX(4px); }

/* ========================
   TICKER
   ======================== */
.ticker-wrapper {
    width: 100%;
    overflow: hidden;
    background: #000;
    border-top: 1px solid var(--border);
    padding: 0.55rem 0;
    flex-shrink: 0;
}
.ticker {
    display: flex;
    white-space: nowrap;
    animation: ticker-anim 45s linear infinite;
}
.ticker span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.58rem;
    color: var(--text-dim);
    padding: 0 2rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.ticker span.dot { color: var(--accent); padding: 0 0.4rem; }
@keyframes ticker-anim { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ========================
   FOOTER
   ======================== */
footer {
    padding: 0.9rem 5%;
    text-align: center;
    background: #000;
    font-size: 0.55rem;
    color: #333;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    flex-shrink: 0;
}

/* ========================
   PODSTRÁNKY
   ======================== */
.page-main {
    padding: calc(var(--nav-h) + 3rem) calc(5% + 72px) 4rem 5%;
    flex: 1;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}
.page-header {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}
.page-header .label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.58rem;
    letter-spacing: 0.2em;
    color: var(--accent);
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.4rem;
}
.page-header .title-en {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    color: var(--text-dim);
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.3rem;
}
.page-header h1 {
    font-size: clamp(2.5rem, 5.5vw, 5rem);
    font-weight: 900;
    line-height: 0.88;
    text-transform: uppercase;
    color: var(--text-main);
}
.page-header .page-desc {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-dim);
    max-width: 560px;
    line-height: 1.7;
}

/* Photo grid na podstránkách */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.6rem;
    margin-top: 2rem;
}
.photo-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color 0.3s;
}
.photo-card:hover { border-color: var(--accent); }
.photo-card .photo-img {
    aspect-ratio: 4/3;
    background: #1a1a1a;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.photo-card .photo-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
    display: block;
}
.photo-card:hover .photo-img img { transform: scale(1.05); }
.photo-card .photo-img .ph {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.55rem;
    color: #333;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-align: center;
    padding: 1rem;
}
.photo-card .photo-info {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
}
.photo-card .photo-info h4 {
    font-size: 0.85rem;
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 0.2rem;
    color: var(--text-main);
}
.photo-card .photo-info p {
    font-size: 0.7rem;
    color: var(--text-dim);
    line-height: 1.5;
}

/* Product grid — The Lab */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
}
.product-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: border-color 0.3s;
}
.product-card:hover { border-color: var(--accent); }
.product-img {
    aspect-ratio: 1/1;
    background: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
.product-card:hover .product-img img { transform: scale(1.05); }
.product-img .ph {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.55rem;
    color: #333;
    text-transform: uppercase;
    text-align: center;
    padding: 1rem;
}
.product-info { padding: 1rem 1.25rem; }
.product-info h4 { font-size: 0.9rem; font-weight: 900; text-transform: uppercase; margin-bottom: 0.25rem; }
.product-info .price { color: var(--accent); font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; font-weight: 700; }
.product-info .mat { font-size: 0.65rem; color: var(--text-dim); margin-bottom: 0.3rem; }

/* CTA lišta na podstránkách */
.page-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    border: 1px solid rgba(212,163,115,0.25);
    padding: 1.25rem 2rem;
    text-decoration: none;
    color: inherit;
    margin-top: 3rem;
    transition: border-color 0.3s, background 0.3s;
    background: transparent;
}
.page-cta:hover { border-color: var(--accent); background: #0e0b07; }
.page-cta h3 { font-size: 1rem; font-weight: 900; text-transform: uppercase; }
.page-cta p  { font-size: 0.7rem; color: var(--text-dim); margin-top: 0.2rem; }
.page-cta svg { width: 20px; height: 20px; stroke: var(--accent); fill: none; stroke-width: 1.5; flex-shrink: 0; transition: transform 0.3s; }
.page-cta:hover svg { transform: translateX(4px); }

/* Kontakt */
.contact-container { display: grid; grid-template-columns: 1fr 1.4fr; gap: 3rem; margin-top: 2rem; align-items: start; }
input, textarea {
    width: 100%; padding: 0.85rem 1rem;
    background: #000; border: 1px solid #252525;
    color: #fff; margin-bottom: 0.85rem;
    font-family: inherit; font-size: 0.9rem;
    outline: none; transition: border-color 0.3s;
}
input:focus, textarea:focus { border-color: var(--accent); }
.btn-submit {
    background: var(--accent); color: #000; border: none;
    padding: 1rem; font-weight: 900; width: 100%;
    cursor: pointer; text-transform: uppercase;
    font-size: 0.78rem; letter-spacing: 0.12em; transition: background 0.3s;
}
.btn-submit:hover { background: #e8b87a; }
.text-dim { color: var(--text-dim); }

/* ========================
   RESPONSIVE — TABLET
   ======================== */
@media (max-width: 1024px) {
    .contact-sidebar {
        position: fixed; top: auto; bottom: 0; right: 0; left: 0;
        transform: none; flex-direction: row; width: 100%;
        justify-content: space-around; border-radius: 0;
        padding: 0.65rem 1rem; border: none;
        border-top: 1px solid rgba(212,163,115,0.5);
        gap: 0; background: rgba(10,10,10,0.97);
    }
    .contact-sidebar a { width: 42px; height: 42px; }
    body { padding-bottom: 58px; }

    .hero-bento-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
        height: auto;
        padding-right: 5%;
    }
    .hero-header       { grid-column: 1 / 3; min-height: 180px; }
    .bento-card.portrait     { grid-column: 1; min-height: 200px; }
    .bento-card.square       { grid-column: 2; min-height: 200px; }
    .bento-card.landscape    { grid-column: 1; min-height: 160px; }
    .bento-card.small-square { grid-column: 2; min-height: 160px; }
    .b2b-strip-wrap { padding-right: 5%; }

    .page-main { padding-right: 5%; }
    .photo-grid { grid-template-columns: 1fr 1fr; }
    .contact-container { grid-template-columns: 1fr; }
}

/* ========================
   RESPONSIVE — MOBIL
   ======================== */
@media (max-width: 640px) {
    nav .links { display: none; }
    nav .links.open {
        display: flex; flex-direction: column;
        position: fixed; top: var(--nav-h); left: 0; right: 0;
        background: rgba(10,10,10,0.98);
        padding: 1.5rem 5%; border-bottom: 1px solid var(--border);
        gap: 1.2rem; z-index: 999;
    }
    nav .links.open a { margin-left: 0; font-size: 0.85rem; }
    .nav-toggle { display: flex; flex-direction: column; }

    .hero-bento-grid { grid-template-columns: 1fr; height: auto; padding-right: 5%; }
    .hero-header,
    .bento-card.portrait, .bento-card.square,
    .bento-card.landscape, .bento-card.small-square {
        grid-column: 1 !important; grid-row: auto !important;
        min-height: 150px; margin-top: 0;
    }
    .hero-header { min-height: 200px; }
    .b2b-strip-wrap { padding-right: 5%; }
    .page-main { padding-right: 5%; padding-top: calc(var(--nav-h) + 2rem); }
    .photo-grid { grid-template-columns: 1fr; }
    .product-grid { grid-template-columns: 1fr 1fr; }
    .page-cta { flex-direction: column; align-items: flex-start; }
    footer { padding-bottom: 1.5rem; }
}

@media (min-width: 1440px) {
    .hero-header h1 { font-size: 4.5rem; }
    .bento-card h3 { font-size: 1.3rem; }
}