/* symbeam.cz – dočasná stránka „web v rekonstrukci“.
   Barvy a písmo převzaté z původního webu (Inter, zelená značky #28e98c, tmavý výchozí režim, světlý přes data-theme). */
:root {
    color-scheme: dark;
    --primary_color: #28e98c;
    --text_color: #e6e6e6;
    --heading_color: #ffffff;
    --page_bg: #000000;
    --muted_color: #9aa0a8;
    --glass_a: rgba(20, 22, 26, 0.55);
    --glass_b: rgba(35, 46, 81, 0.45);
    --border_soft: rgba(255, 255, 255, 0.16);
    --hover_soft: rgba(255, 255, 255, 0.08);
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
    --btn_text: #04130b;
}
html[data-theme="light"] {
    color-scheme: light;
    --primary_color: #12b06a;
    --text_color: #3a3f47;
    --heading_color: #14181f;
    --page_bg: #ffffff;
    --muted_color: #6b7280;
    --glass_a: rgba(255, 255, 255, 0.72);
    --glass_b: rgba(238, 243, 252, 0.72);
    --border_soft: rgba(20, 30, 60, 0.14);
    --hover_soft: rgba(20, 30, 60, 0.06);
    --shadow: 0 24px 70px rgba(30, 50, 110, 0.16);
    --btn_text: #ffffff;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text_color);
    background: var(--page_bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Mlhovina (spodní vrstva), hvězdy s perseidami a síť (nahoře) přes celé okno, bez masky — obsah leží nad nimi.
   Mlhovina se počítá v malém rozlišení a roztahuje se; přesah a rozostření zahladí mřížku. */
#nebula-bg {
    position: fixed;
    inset: -24px;
    width: calc(100% + 48px);
    height: calc(100% + 48px);
    display: block;
    z-index: 0;
    pointer-events: none;
    filter: blur(10px);
}
#stars-bg,
#neural-bg {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 0;
    pointer-events: none;
}

.page {
    position: relative;
    z-index: 1;
    min-height: 100%;
    display: grid;
    grid-template-rows: auto 1fr auto;
    padding: clamp(16px, 3vw, 32px);
    padding-left: max(clamp(16px, 3vw, 32px), env(safe-area-inset-left));
    padding-right: max(clamp(16px, 3vw, 32px), env(safe-area-inset-right));
    /* klikání na prázdnou plochu má projít k animaci (signál z nejbližšího uzlu) */
    pointer-events: none;
}
.page > * { pointer-events: auto; }

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.wordmark { display: block; height: clamp(18px, 2.2vw, 24px); width: auto; }
html[data-theme="light"] .wordmark { filter: invert(1) brightness(0.15); }

.theme-toggle {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 14px;
    font: inherit; font-size: 13px; font-weight: 500;
    color: var(--text_color);
    background: linear-gradient(135deg, var(--glass_a), var(--glass_b));
    border: 1px solid var(--border_soft);
    border-radius: 999px;
    -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
    cursor: pointer;
    transition: border-color 0.15s, background-color 0.15s;
}
.theme-toggle:hover { border-color: var(--primary_color); }
.theme-toggle:focus-visible, .card-min:focus-visible, .btn:focus-visible, a:focus-visible { outline: 2px solid var(--primary_color); outline-offset: 3px; }
.theme-toggle svg { width: 15px; height: 15px; }

.hero { display: grid; place-items: center; padding-block: clamp(24px, 6vh, 72px); pointer-events: none; }
.card {
    position: relative;
    pointer-events: auto;
    width: min(760px, 100%);
    padding: clamp(24px, 4.5vw, 48px);
    text-align: center;
    background: linear-gradient(135deg, var(--glass_a), var(--glass_b));
    border: 1px solid var(--border_soft);
    border-radius: 24px;
    -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%);
    box-shadow: var(--shadow);
    transition: width 0.35s ease, padding 0.35s ease, translate 0.35s ease;
}
/* Minimalizace: obsah se složí a z okna zůstane malý štítek u spodního okraje */
.card.min {
    width: min(300px, 100%);
    padding: 8px 12px;
    translate: 0 calc(50vh - 100px);
    translate: 0 calc(50dvh - 100px);
    cursor: pointer;
}
.card.min .eyebrow { margin-bottom: 0; }
.card-min {
    position: absolute; top: 14px; right: 14px;
    display: grid; place-items: center;
    width: 32px; height: 32px; padding: 0;
    color: var(--muted_color);
    background: var(--hover_soft);
    border: 1px solid var(--border_soft);
    border-radius: 10px;
    cursor: pointer;
    transition: top 0.35s ease, right 0.35s ease, color 0.15s, border-color 0.15s;
}
.card-min:hover { color: var(--heading_color); border-color: var(--primary_color); }
.card-min svg { width: 16px; height: 16px; }
.card-min-v { opacity: 0; transition: opacity 0.2s; }
.card.min .card-min { top: 7px; right: 7px; }
.card.min .card-min-v { opacity: 1; }
.card-body { display: grid; grid-template-rows: 1fr; transition: grid-template-rows 0.35s ease, opacity 0.2s, visibility 0.35s; }
.card-body-in { min-height: 0; overflow: hidden; padding-bottom: 2px; } /* 2 px, ať ořez neubere spodní rámeček karet aplikací */
.card.min .card-body { grid-template-rows: 0fr; opacity: 0; visibility: hidden; }
.eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    margin: 0 0 18px;
    padding: 5px 12px;
    font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--primary_color);
    border: 1px solid color-mix(in srgb, var(--primary_color) 45%, transparent);
    border-radius: 999px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--primary_color); box-shadow: 0 0 0 0 color-mix(in srgb, var(--primary_color) 60%, transparent); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--primary_color) 60%, transparent); } 70% { box-shadow: 0 0 0 9px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }

h1 {
    margin: 0 0 14px;
    font-size: clamp(30px, 5.4vw, 52px);
    font-weight: 700; line-height: 1.1; letter-spacing: -0.02em;
    color: var(--heading_color);
    text-wrap: balance;
}
h1 em { font-style: normal; color: var(--primary_color); }
.lead { margin: 0 auto 26px; max-width: 52ch; font-size: clamp(15px, 1.6vw, 18px); color: var(--text_color); text-wrap: pretty; }

.actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.btn {
    display: inline-flex; align-items: center; gap: 9px;
    padding: 12px 20px;
    font: inherit; font-size: 15px; font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: transform 0.12s, border-color 0.15s, background-color 0.15s, box-shadow 0.15s;
}
.btn svg { width: 17px; height: 17px; flex: 0 0 auto; }
.btn-primary { color: var(--btn_text); background: var(--primary_color); box-shadow: 0 8px 26px color-mix(in srgb, var(--primary_color) 35%, transparent); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 30px color-mix(in srgb, var(--primary_color) 45%, transparent); }
.btn-ghost { color: var(--heading_color); background: var(--hover_soft); border-color: var(--border_soft); }
.btn-ghost:hover { border-color: var(--primary_color); }

/* Co vyvíjíme: dvě karty aplikací vedle sebe (na úzkém displeji pod sebou) */
.apps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 28px 0 0; padding: 22px 0 0; border-top: 1px solid var(--border_soft); text-align: left; }
.app { display: flex; flex-direction: column; gap: 3px; padding: 14px 16px; border: 1px solid var(--border_soft); border-radius: 14px; background: var(--hover_soft); color: inherit; text-decoration: none; transition: border-color 0.15s, transform 0.12s; }
a.app:hover { border-color: var(--primary_color); transform: translateY(-1px); }
.app-name { display: inline-flex; align-items: center; gap: 8px; font-size: 17px; font-weight: 700; letter-spacing: 0.02em; color: var(--heading_color); }
.app-name svg { width: 15px; height: 15px; color: var(--primary_color); }
.app-badge { font-size: 10.5px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--primary_color); border: 1px solid color-mix(in srgb, var(--primary_color) 45%, transparent); border-radius: 999px; padding: 1px 8px; }
.app-for { font-size: 12.5px; font-weight: 600; color: var(--primary_color); }
.app-desc { margin-top: 4px; font-size: 13.5px; line-height: 1.5; color: var(--text_color); opacity: 0.9; }

.footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 20px; font-size: 13px; color: var(--muted_color); }
.footer a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.footer a:hover { color: var(--primary_color); }
.hint { display: inline-flex; align-items: center; gap: 7px; }
.hint svg { width: 14px; height: 14px; }

@media (max-width: 560px) {
    .theme-toggle span { display: none; }
    .theme-toggle { padding: 9px; }
    .footer { justify-content: center; text-align: center; }
    .hint { display: none; }
    .apps { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    .eyebrow .dot { animation: none; }
    .btn, .theme-toggle, .card, .card-min, .card-min-v, .card-body { transition: none; }
}