/* ----------------------------------------------------------------------
   Banksoft - strona firmowa
   Jasny, czysty, profesjonalny motyw: bialo-szare tlo, neutralna
   typografia, szmaragdowy akcent (bez niebieskiego). Bez zewnetrznych
   zaleznosci (systemowe fonty).
   ---------------------------------------------------------------------- */

:root {
    --bg: #f7f8fa;
    --panel: #ffffff;
    --panel-border: #e5e8ee;
    --text: #17191e;
    --text-dim: #5d6572;
    --accent: #0e9f6e;
    --accent-dark: #0b7d57;
    --accent-soft: #e7f6ef;
    --dark: #17191e;
    --radius: 14px;
    --shadow: 0 1px 2px rgba(23, 25, 30, .05), 0 10px 30px rgba(23, 25, 30, .06);
}

* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    color-scheme: light;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    overflow-x: hidden;
}

/* delikatne rozjasnienia w tle (subtelne, neutralne) */
.glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(110px);
    z-index: 0;
    pointer-events: none;
}

.glow-1 { width: 560px; height: 560px; top: -240px; right: -140px;
          background: rgba(14, 159, 110, .07); }

.glow-2 { width: 480px; height: 480px; bottom: -220px; left: -160px;
          background: rgba(23, 25, 30, .045); }

.wrap {
    width: min(1120px, 92%);
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ---- nawigacja ----------------------------------------------------- */

.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, .86);
    border-bottom: 1px solid var(--panel-border);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .7rem 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    text-decoration: none;
}

.brand-badge { flex: none; }

.brand-word {
    font-family: ui-monospace, "Cascadia Code", Consolas, "Courier New", monospace;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: .04em;
    color: var(--text);
}

.brand-accent { color: var(--accent-dark); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.4rem;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: .95rem;
    transition: color .15s ease;
}

.nav-links a:hover { color: var(--text); }

/* przycisk w nawigacji: bialy tekst na ciemnym tle (nadpisuje .nav-links a) */
.nav-links a.btn { color: #ffffff; }

.nav-links a.btn:hover { color: #ffffff; }

/* ---- przyciski ----------------------------------------------------- */

.btn {
    display: inline-block;
    background: var(--dark);
    color: #ffffff;
    font-weight: 600;
    text-decoration: none;
    border: 0;
    border-radius: 10px;
    padding: .8rem 1.6rem;
    font-size: 1rem;
    transition: transform .08s ease, background .15s ease, box-shadow .15s ease;
}

.btn:hover { background: #000000; transform: translateY(-1px); color: #ffffff; }

.btn:active { transform: translateY(1px); }

.btn-sm { padding: .45rem 1rem; border-radius: 8px; font-size: .9rem; }

.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid #d4d9e1;
    box-shadow: none;
}

.btn-ghost:hover { background: #ffffff; border-color: #b9c0cb; color: var(--text); }

/* ---- hero ---------------------------------------------------------- */

.hero { padding: clamp(3.5rem, 9vw, 6.5rem) 0 clamp(2.5rem, 6vw, 4rem); }

.badge {
    display: inline-block;
    font-family: ui-monospace, Consolas, monospace;
    font-size: .8rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--accent-dark);
    border: 1px solid #c9e9db;
    background: var(--accent-soft);
    border-radius: 999px;
    padding: .4rem 1rem;
    margin: 0 0 1.4rem;
}

.hero h1 {
    font-size: clamp(2rem, 5.2vw, 3.4rem);
    line-height: 1.14;
    margin: 0 0 1.2rem;
    letter-spacing: -.02em;
    color: var(--text);
}

.grad {
    background: linear-gradient(100deg, var(--accent-dark), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.lead {
    max-width: 640px;
    color: var(--text-dim);
    font-size: 1.12rem;
    line-height: 1.6;
    margin: 0 0 1.15rem;
    padding-left: .9rem;
    border-left: 3px solid var(--accent);
}

.lead strong {
    color: var(--text);
    font-weight: 700;
}

/* trzy niezalezne obszary dzialalnosci w hero */
.hero-obszary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: .8rem;
    margin-bottom: 2rem;
}

.obszar {
    display: block;
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    padding: 1.1rem 1.2rem;
    text-decoration: none;
    transition: border-color .15s ease, transform .15s ease;
}

.obszar:hover { border-color: var(--accent); transform: translateY(-2px); }

.obszar h3 {
    margin: 0 0 .45rem;
    font-size: 1.02rem;
    color: var(--text);
}

.obszar ul {
    list-style: none;
    padding: 0;
    margin: .45rem 0 0;
}

.obszar li {
    padding: .18rem 0;
    font-size: .9rem;
    color: var(--text-dim);
    line-height: 1.45;
}

.obszar-link {
    font-size: .88rem;
    font-weight: 600;
    color: var(--accent-dark);
}

.obszar:hover .obszar-link { color: var(--accent); }

@media (max-width: 900px) {
    .hero-obszary { grid-template-columns: 1fr; }
}

.hero-cta { display: flex; flex-wrap: wrap; gap: .9rem; margin-bottom: 3rem; }

.hero-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    border-top: 1px solid var(--panel-border);
    padding-top: 1.6rem;
}

.hero-strip strong {
    display: block;
    font-size: 1.25rem;
    color: var(--accent-dark);
}

.hero-strip span { color: var(--text-dim); font-size: .92rem; }

/* ---- sekcje -------------------------------------------------------- */

.section { padding: clamp(2.2rem, 6vw, 4.2rem) 0; }

.kicker {
    font-family: ui-monospace, Consolas, monospace;
    font-size: .8rem;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--accent-dark);
    margin: 0 0 .5rem;
}

.section h2 {
    font-size: clamp(1.5rem, 3.4vw, 2.1rem);
    margin: 0 0 1.6rem;
    letter-spacing: -.01em;
}

.section-lead {
    color: var(--text-dim);
    max-width: 640px;
    line-height: 1.65;
    margin: -.6rem 0 1.8rem;
}

/* oferta: konkretne uslugi z wynikiem dla klienta */
.oferta {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: .6rem;
}

.oferta li {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    padding: .8rem 1rem;
    line-height: 1.55;
    color: var(--text);
}

.oferta li strong { color: var(--accent-dark); }

/* ---- karty --------------------------------------------------------- */

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.1rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.card,
.mini {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: border-color .15s ease, transform .15s ease;
}

.card:hover, .mini:hover { border-color: #c9e9db; transform: translateY(-2px); }

.card h3, .mini h4 { margin: .6rem 0 .55rem; font-size: 1.08rem; }

.mini h4 { margin-top: 0; }

.card p, .mini p {
    margin: 0;
    color: var(--text-dim);
    font-size: .95rem;
    line-height: 1.6;
}

.card-icon {
    width: 46px;
    height: 46px;
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: ui-monospace, Consolas, monospace;
    font-size: 1.25rem;
    color: var(--accent-dark);
    background: var(--accent-soft);
    border: 1px solid #d5eee2;
}

/* ---- zasady kontrolowanego AI -------------------------------------- */

.rules { display: grid; gap: .9rem; }

.rule {
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow);
}

.rule-no {
    font-family: ui-monospace, Consolas, monospace;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent);
}

.rule h4 { margin: 0 0 .3rem; }

.rule p { margin: 0; color: var(--text-dim); font-size: .95rem; line-height: 1.6; }

/* ---- proces -------------------------------------------------------- */

.step-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    font-weight: 700;
    color: #ffffff;
    background: var(--accent);
    margin-bottom: .6rem;
}

/* ---- kontakt -------------------------------------------------------- */

.contact-card {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.6rem;
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-top: 3px solid var(--accent);
    border-radius: calc(var(--radius) + 4px);
    box-shadow: var(--shadow);
    padding: clamp(1.6rem, 4vw, 2.6rem);
}

.contact-card h2 { margin: 0 0 .6rem; }

.contact-card p {
    margin: 0;
    color: var(--text-dim);
    max-width: 480px;
    line-height: 1.6;
}

.contact-actions {
    display: flex;
    flex-direction: column;
    gap: .7rem;
    align-items: flex-start;
}

.contact-note { color: var(--text-dim); font-size: .85rem; }

/* ---- stopka -------------------------------------------------------- */

.footer {
    border-top: 1px solid var(--panel-border);
    background: #ffffff;
    margin-top: 2rem;
    padding: 1.4rem 0 1.8rem;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: .6rem 1rem;
    color: var(--text-dim);
    font-size: .9rem;
}

.footer-credit a { color: var(--text-dim); }

.footer-credit a:hover { color: var(--accent-dark); }

/* ---- animacja wejscia (reveal on scroll) --------------------------- */

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .6s ease, transform .6s ease;
}

.reveal.on {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}

/* ---- responsywność ------------------------------------------------- */

@media (max-width: 900px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 680px) {
    .nav-links a:not(.btn) { display: none; }
    .grid-2, .grid-4, .hero-strip { grid-template-columns: 1fr; }
    .hero-strip { gap: .8rem; }
    .rule { flex-direction: column; gap: .4rem; }
}