/* ==========================================================================
   Axiom ERP Flow – web (prezentace, ceník, e-shop)
   Jednotný design systém. Vychází z barvy letáku (#0d6efd) a motivu systému.
   ========================================================================== */

:root {
    --brand: #0d6efd;
    --brand-dark: #0a58ca;
    --brand-light: #e8f0fe;
    --brand-ink: #062b6b;

    --ink: #1e293b;
    --muted: #64748b;
    --border: #e2e8f0;

    --bg: #f6f8fb;
    --surface: #ffffff;

    --ok: #16a34a;
    --ok-bg: #eefbf1;
    --warn: #ea580c;
    --warn-bg: #fff8ee;
    --purple: #6f42c1;
    --purple-bg: #f6f2ff;

    --radius: 14px;
    --radius-sm: 8px;
    --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px -12px rgba(15, 23, 42, .18);
    --shadow-lg: 0 24px 60px -24px rgba(15, 23, 42, .35);

    --wrap: 1140px;
    --font: 'Segoe UI', Tahoma, Geneva, Verdana, system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font);
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
h3 { font-size: 1.05rem; }
p { margin: 0 0 1em; }
ul { margin: 0 0 1em; padding-left: 1.2em; }
li { margin-bottom: .3em; }

.container { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.section { padding: 56px 0; }
.section--tight { padding: 32px 0; }
.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: .87rem; }

/* ---------- Hlavička ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--border);
}

.site-header .container {
    display: flex;
    align-items: center;
    gap: 22px;
    min-height: 68px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    color: var(--ink);
    font-size: 1.05rem;
    letter-spacing: -.02em;
}
.logo:hover { text-decoration: none; }
.logo .mark {
    width: 34px; height: 34px;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--brand), #4f9bff);
    color: #fff; border-radius: 9px; font-size: 1.05rem;
}
.logo small { display: block; font-weight: 500; font-size: .72rem; color: var(--muted); letter-spacing: 0; }

.main-nav { margin-left: auto; display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.main-nav a {
    padding: 8px 12px; border-radius: var(--radius-sm);
    color: var(--ink); font-size: .92rem; font-weight: 500;
}
.main-nav a:hover { background: var(--brand-light); color: var(--brand-dark); text-decoration: none; }
.main-nav a.is-active { background: var(--brand-light); color: var(--brand-dark); font-weight: 700; }

/* ---------- Tlačítka ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 11px 20px; border-radius: 10px; border: 1px solid transparent;
    font: inherit; font-weight: 700; font-size: .94rem;
    cursor: pointer; transition: .16s ease; text-align: center;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--primary { background: var(--brand); color: #fff; box-shadow: 0 6px 18px -8px rgba(13, 110, 253, .8); }
.btn--primary:hover { background: var(--brand-dark); }
.btn--ghost { background: #fff; color: var(--ink); border-color: var(--border); }
.btn--ghost:hover { border-color: var(--brand); color: var(--brand-dark); }
.btn--light { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.35); }
.btn--light:hover { background: rgba(255,255,255,.24); }
.btn--block { width: 100%; }
.btn--sm { padding: 8px 14px; font-size: .86rem; }
.btn--lg { padding: 14px 28px; font-size: 1.02rem; }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-row--center { justify-content: center; }

/* ---------- Hero ---------- */
.hero {
    background: linear-gradient(140deg, #0b3fa8 0%, var(--brand) 45%, #3f8cff 100%);
    color: #fff;
    padding: 68px 0 76px;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: ""; position: absolute; inset: auto -10% -60% 45%;
    height: 380px; background: radial-gradient(circle, rgba(255,255,255,.18), transparent 65%);
}
.hero .container { position: relative; z-index: 1; }
.hero h1 { color: #fff; max-width: 18ch; }
.hero p.lead { font-size: clamp(1.02rem, 1.8vw, 1.22rem); max-width: 62ch; opacity: .95; }
.hero .tagline {
    display: inline-block; margin-bottom: 16px; padding: 6px 14px;
    background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.3);
    border-radius: 999px; font-size: .84rem; font-weight: 700; letter-spacing: .02em;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 46px; align-items: center; }

/* ---------- Karty ---------- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow);
}
.card--flat { box-shadow: none; }
.card--accent { border-left: 4px solid var(--brand); }
.card--ok { border-left: 4px solid var(--ok); background: var(--ok-bg); }
.card--warn { border-left: 4px solid var(--warn); background: var(--warn-bg); }
.card--purple { border-left: 4px solid var(--purple); background: var(--purple-bg); }
.card h3 { margin-bottom: .35em; }
.card p:last-child { margin-bottom: 0; }
.card__icon { font-size: 1.5rem; margin-bottom: 8px; display: block; }

.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Statistiky ---------- */
.stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.stat {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 18px 12px; text-align: center;
}
.stat .num { display: block; font-size: 1.85rem; font-weight: 800; color: var(--brand); line-height: 1.1; }
.stat .lbl { font-size: .82rem; color: var(--muted); }

/* ---------- Odznaky ---------- */
.badge {
    display: inline-block; padding: 4px 11px; border-radius: 999px;
    background: var(--brand-light); color: var(--brand-dark);
    font-size: .78rem; font-weight: 700;
}
.badge--ok { background: var(--ok-bg); color: #15803d; }
.badge--warn { background: var(--warn-bg); color: #c2410c; }
.badge--muted { background: #eef2f7; color: var(--muted); }

/* ---------- Tabulky ---------- */
.table { width: 100%; border-collapse: collapse; background: var(--surface); }
.table th, .table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { background: #f1f5f9; font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.table td.num, .table th.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.table tbody tr:hover { background: #fafcff; }
.table .price { font-weight: 800; color: var(--brand-dark); }

/* ---------- Ceníkové karty ---------- */
.plan {
    background: var(--surface); border: 2px solid var(--border); border-radius: var(--radius);
    padding: 26px; display: flex; flex-direction: column; position: relative;
}
.plan--featured { border-color: var(--brand); box-shadow: var(--shadow-lg); }
.plan--featured::before {
    content: "Doporučujeme"; position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
    background: var(--brand); color: #fff; font-size: .72rem; font-weight: 800;
    padding: 4px 14px; border-radius: 999px; letter-spacing: .04em; text-transform: uppercase;
}
.plan__price { font-size: 2.1rem; font-weight: 800; color: var(--brand-dark); line-height: 1.1; }
.plan__price small { font-size: .85rem; font-weight: 600; color: var(--muted); display: block; }
.plan ul { list-style: none; padding: 0; margin: 16px 0 22px; }
.plan li { padding-left: 26px; position: relative; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 800; }
.plan .btn { margin-top: auto; }

/* ---------- Formuláře ---------- */
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; font-size: .88rem; margin-bottom: 6px; }
.field .hint { font-size: .8rem; color: var(--muted); font-weight: 400; }
.field input, .field select, .field textarea {
    width: 100%; padding: 10px 12px; font: inherit; font-size: .95rem;
    border: 1px solid var(--border); border-radius: 10px; background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
    outline: 2px solid var(--brand-light); border-color: var(--brand);
}
.field--error input { border-color: #dc3545; }
.field__error { color: #dc3545; font-size: .82rem; margin-top: 4px; }
.field--qty { max-width: 110px; }

/* ---------- Upozornění ---------- */
.notice {
    border-radius: var(--radius-sm); padding: 14px 16px; margin-bottom: 20px;
    border-left: 4px solid var(--brand); background: var(--brand-light); font-size: .93rem;
}
.notice--ok { border-left-color: var(--ok); background: var(--ok-bg); }
.notice--warn { border-left-color: var(--warn); background: var(--warn-bg); }
.notice--error { border-left-color: #dc3545; background: #fdecec; }

/* ---------- E-shop ---------- */
.shop-item {
    display: grid; grid-template-columns: 46px 1fr 130px 120px; gap: 16px; align-items: center;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 16px 18px;
}
.shop-item__icon { font-size: 1.6rem; text-align: center; }
.shop-item__body h3 { margin-bottom: .15em; }
.shop-item__price { font-weight: 800; color: var(--brand-dark); white-space: nowrap; }
.shop-item__price small { display: block; font-weight: 500; color: var(--muted); font-size: .76rem; }
.shop-item__qty input { width: 100%; padding: 8px 10px; text-align: center; font: inherit; border: 1px solid var(--border); border-radius: 8px; }
.shop-item__qty label { display: block; font-size: .74rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin-bottom: 4px; font-weight: 700; }
.shop-group { margin-bottom: 34px; }
.shop-group > header { margin-bottom: 14px; }
.shop-group > header h2 { margin-bottom: .1em; }
.shop-item + .shop-item { margin-top: 10px; }

.summary {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 22px; position: sticky; top: 88px;
}
.summary dl { display: grid; grid-template-columns: 1fr auto; gap: 8px 12px; margin: 0 0 16px; }
.summary dt { color: var(--muted); }
.summary dd { margin: 0; text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }
.summary .total { border-top: 2px solid var(--border); padding-top: 12px; font-size: 1.1rem; }
.summary .total dd { color: var(--brand-dark); font-size: 1.25rem; }

.shop-layout { display: grid; grid-template-columns: 1fr 330px; gap: 30px; align-items: start; }

.steps { display: flex; gap: 8px; margin-bottom: 26px; flex-wrap: wrap; }
.steps li {
    list-style: none; padding: 8px 16px; border-radius: 999px;
    background: #eef2f7; color: var(--muted); font-size: .86rem; font-weight: 700;
}
.steps li.is-done { background: var(--ok-bg); color: #15803d; }
.steps li.is-current { background: var(--brand); color: #fff; }

/* ---------- Náhledy obrazovek (makety) ---------- */
.mockup {
    border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
    background: #fff; box-shadow: var(--shadow);
}
.mockup__bar {
    display: flex; align-items: center; gap: 8px; padding: 9px 14px;
    background: #eef2f7; border-bottom: 1px solid var(--border);
}
.mockup__dot { width: 10px; height: 10px; border-radius: 50%; background: #cbd5e1; }
.mockup__url { font-size: .76rem; color: var(--muted); margin-left: 6px; }
.phone {
    width: 100%; max-width: 300px; margin: 0 auto; border: 10px solid #1e293b;
    border-radius: 30px; overflow: hidden; background: #06281c; box-shadow: var(--shadow-lg);
}

/* ---------- Patička ---------- */
.site-footer { background: var(--ink); color: #cbd5e1; padding: 44px 0 28px; margin-top: 60px; }
.site-footer h4 { color: #fff; font-size: .95rem; margin-bottom: .6em; }
.site-footer a { color: #cbd5e1; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; }
.site-footer .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 28px; }
.site-footer .legal { border-top: 1px solid rgba(255,255,255,.14); margin-top: 28px; padding-top: 18px; font-size: .82rem; color: #94a3b8; }

/* ---------- Prezentace (slidy) ---------- */
.deck { background: #0b1220; }
.slide {
    min-height: 100vh; display: flex; align-items: center; padding: 60px 0;
    scroll-snap-align: start; border-bottom: 1px solid rgba(255,255,255,.08);
}
.deck { scroll-snap-type: y proximity; }
.slide .container { max-width: 940px; }
.slide h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); }
.slide--dark { background: #0b1220; color: #e2e8f0; }
.slide--dark h1, .slide--dark h2, .slide--dark h3 { color: #fff; }
.slide--dark .muted { color: #94a3b8; }
.slide--light { background: var(--bg); color: var(--ink); }
.slide-index { font-size: .8rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--brand); }
.deck-progress {
    position: fixed; top: 0; left: 0; height: 3px; background: var(--brand); z-index: 100; width: 0;
}
.deck-nav {
    position: fixed; bottom: 22px; right: 22px; z-index: 100;
    display: flex; gap: 8px; background: rgba(15,23,42,.85); padding: 8px;
    border-radius: 999px; backdrop-filter: blur(8px);
}
.deck-nav button {
    width: 40px; height: 40px; border-radius: 50%; border: 0; cursor: pointer;
    background: rgba(255,255,255,.12); color: #fff; font-size: 1.05rem;
}
.deck-nav button:hover { background: var(--brand); }

/* ---------- Pomocné ---------- */
.stack-sm > * + * { margin-top: 10px; }
.stack > * + * { margin-top: 20px; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 36px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }
.flex { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.flex--between { justify-content: space-between; }

/* ---------- Responzivita ---------- */
@media (max-width: 980px) {
    .hero-grid, .shop-layout { grid-template-columns: 1fr; }
    .grid--4 { grid-template-columns: repeat(2, 1fr); }
    .stats { grid-template-columns: repeat(3, 1fr); }
    .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
    .summary { position: static; }
}
@media (max-width: 760px) {
    .grid--2, .grid--3 { grid-template-columns: 1fr; }
    .main-nav { width: 100%; margin-left: 0; }
    .site-header .container { flex-wrap: wrap; padding-bottom: 10px; gap: 10px; }
    .shop-item { grid-template-columns: 40px 1fr; }
    .shop-item__price, .shop-item__qty { grid-column: 2; }
    .slide { min-height: auto; }
}
@media (max-width: 520px) {
    .grid--4, .stats { grid-template-columns: 1fr 1fr; }
    .site-footer .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- Tisk ---------- */
@media print {
    .site-header, .site-footer, .deck-nav, .btn, .no-print { display: none !important; }
    body { background: #fff; }
    .card, .plan { box-shadow: none; break-inside: avoid; }
}