/* ============================================================
   NAPRAWA LODÓWEK BIAŁYSTOK
   style.css — tokeny + klasy współdzielone przez wiele sekcji.
   CSS unikalny dla jednej sekcji trzymamy inline w jej pliku.
   ============================================================ */

/* ---------- Tokeny ---------- */
:root {
    /* Pięć kolorów bazowych */
    --c-primary:      #E8871E;
    --c-primary-dark: #B8650F;
    --c-dark:         #1B1D20;
    --c-text:         #26292E;
    --c-bg:           #FCF3E7;

    /* Neutralne pochodne, nie liczą się do puli pięciu */
    --c-white:        #FFFFFF;
    --c-muted:        #6B6F76;
    --c-border:       #E8E4DE;
    --c-dark-2:       #2A2D31;

    /* Pięć rozmiarów typografii */
    --t-xs:   0.8125rem;
    --t-sm:   0.875rem;
    --t-base: 0.9375rem;
    --t-md:   1rem;
    --t-lg:   1.125rem;

    --shadow-sm: 0 2px 8px rgba(27, 29, 32, .06);
    --shadow-md: 0 8px 32px rgba(27, 29, 32, .10);
    --shadow-lg: 0 16px 48px rgba(232, 135, 30, .12);

    --radius-sm: 6px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --ease-float: .45s cubic-bezier(.34, 1.56, .64, 1);
    --transition: .3s cubic-bezier(.4, 0, .2, 1);

    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --container: 1500px;
    --measure: 1200px;   /* szerokość długich bloków tekstowych */
    --header-h: 72px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-h);
}
@media (max-width: 960px) { html { font-size: 15px; } }
@media (max-width: 600px) { html { font-size: 14px; } }

body {
    font-family: var(--font);
    font-size: var(--t-base);
    line-height: 1.7;
    color: var(--c-text);
    background: var(--c-white);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4 {
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -.01em;
    color: var(--c-text);
}

/* ---------- Layout ---------- */
.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 2em;
}
@media (max-width: 600px) { .container { padding-inline: 1em; } }

/* Padding pionowy sekcji: desktop 4em, mobile 2em */
.section {
    padding-block: 4em;
}
@media (max-width: 600px) { .section { padding-block: 2em; } }

.section-light { background: var(--c-bg); }
.section-white { background: var(--c-white); }
.section-dark  { background: var(--c-dark); color: rgba(255, 255, 255, .78); }
.section-dark h2, .section-dark h3 { color: var(--c-white); }

/* ---------- Nagłówki sekcji ---------- */
.section-header {
    max-width: 880px;
    margin: 0 auto 3em;
    text-align: center;
}
.section-title {
    font-size: clamp(1.6rem, 3.2vw, 2.25rem);
}
.section-subtitle {
    margin-top: .75em;
    font-size: var(--t-md);
    color: var(--c-muted);
}
.section-dark .section-subtitle { color: rgba(255, 255, 255, .68); }
.section-dark .section-tag {
    color: var(--c-primary);
    background: rgba(232, 135, 30, .16);
}

.accent { color: var(--c-primary); }

/* ---------- Przyciski ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .6em;
    padding: .85em 1.6em;
    border-radius: 10px;
    font-size: var(--t-base);
    font-weight: 700;
    line-height: 1;
    transition: background var(--transition), color var(--transition),
                border-color var(--transition), transform var(--ease-float);
}
.btn:hover { transform: translateY(-6px); }

.btn-primary {
    background: var(--c-primary);
    color: var(--c-white);
}
.btn-primary:hover { background: var(--c-primary-dark); }

.btn-dark {
    background: var(--c-dark);
    color: var(--c-white);
}
.btn-dark:hover { background: var(--c-dark-2); }

.btn-outline {
    border: 2px solid currentColor;
    color: var(--c-white);
}
.btn-outline:hover { background: var(--c-white); color: var(--c-dark); }

.btn-outline-dark {
    border: 2px solid var(--c-border);
    color: var(--c-text);
}
.btn-outline-dark:hover { border-color: var(--c-primary); color: var(--c-primary); }

.btn-lg { padding: 1.05em 2em; font-size: var(--t-md); }

/* ---------- Karty ---------- */
.card {
    background: var(--c-white);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: 2em;
    box-shadow: var(--shadow-sm);
    transition: transform var(--ease-float), box-shadow var(--transition);
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
@media (max-width: 600px) { .card { padding: 1em; } }

/* Ikona w kafelku */
.card-icon {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: rgba(232, 135, 30, .10);
    color: var(--c-primary);
    margin-bottom: 1.25em;
}

/* ---------- Bloki tekstowe SEO ----------
   Blok i tekst mają tę samą szerokość, dzięki czemu nagłówki
   trzymają jedną linię z akapitami zamiast wystawać poza kolumnę. */
.seo-block {
    max-width: var(--measure);
    margin-inline: auto;
}
.seo-text {
    max-width: none;
}
.seo-block h2 {
    font-size: clamp(1.45rem, 2.8vw, 2rem);
    margin-bottom: .8em;
}
.seo-block h2 + h3 { margin-top: 0; }
.seo-block h3 {
    font-size: var(--t-lg);
    font-weight: 700;
    margin-top: 2em;
    margin-bottom: .6em;
    color: var(--c-primary-dark);
}
.seo-block p {
    margin-bottom: 1.1em;
    color: var(--c-muted);
}
.seo-block .section-dark p { color: rgba(255, 255, 255, .72); }

/* ---------- Animacja wejścia ----------
   Ukrywamy tylko gdy JavaScript jest dostępny i może przywrócić widoczność.
   Bez klasy .js na <html> treść jest widoczna od razu. */
.js .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .6s ease, transform .6s ease;
}
.js .reveal.is-visible {
    opacity: 1;
    transform: none;
}
@media (prefers-reduced-motion: reduce) {
    .js .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
    .btn:hover, .card:hover { transform: none; }
}

/* ---------- Nagłówek strony ---------- */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    height: var(--header-h);
    background: rgba(27, 29, 32, .92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.navbar {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5em;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: .7em;
}
.logo-mark {
    display: flex;
    flex-shrink: 0;
}
.logo-mark svg { display: block; }

.logo-lockup {
    display: flex;
    flex-direction: column;
    line-height: 1;
}
.logo-line-main {
    font-size: var(--t-md);
    font-weight: 800;
    letter-spacing: -.02em;
    color: var(--c-white);
}
.logo-line-city {
    margin-top: .35em;
    font-size: var(--t-xs);
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--c-primary);
}

@media (max-width: 420px) {
    .logo-line-city { letter-spacing: .14em; }
}

.nav-links {
    display: flex;
    gap: 2em;
    margin-inline-start: auto;
}
.nav-links a {
    color: rgba(255, 255, 255, .78);
    font-size: var(--t-sm);
    font-weight: 600;
    transition: color var(--transition);
}
.nav-links a:hover,
.nav-links a.is-active { color: var(--c-primary); }

.nav-cta { flex-shrink: 0; }

.nav-toggle-input { display: none; }
.nav-hamburger { display: none; }

@media (max-width: 960px) {
    .nav-hamburger {
        display: grid;
        gap: 5px;
        width: 28px;
        cursor: pointer;
        order: 3;
    }
    .nav-hamburger span {
        height: 2px;
        background: var(--c-white);
        border-radius: 2px;
        transition: transform var(--transition), opacity var(--transition);
    }
    .nav-links {
        position: fixed;
        inset: var(--header-h) 0 auto 0;
        flex-direction: column;
        gap: 0;
        background: var(--c-dark);
        border-bottom: 1px solid rgba(255, 255, 255, .07);
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition);
    }
    .nav-links a {
        display: block;
        padding: 1em 2em;
        border-top: 1px solid rgba(255, 255, 255, .06);
    }
    .nav-toggle-input:checked ~ .nav-links { max-height: 60vh; }
    .nav-toggle-input:checked ~ .nav-hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle-input:checked ~ .nav-hamburger span:nth-child(2) { opacity: 0; }
    .nav-toggle-input:checked ~ .nav-hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .nav-cta span { display: none; }
}

/* ---------- Stopka ---------- */
.site-footer {
    background: var(--c-dark);
    color: rgba(255, 255, 255, .68);
    padding-block: 4em 0;
}
@media (max-width: 600px) { .site-footer { padding-block: 2em 0; } }

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 2.5em;
}
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; gap: 2em; } }

.footer-col h4 {
    color: var(--c-white);
    font-size: var(--t-sm);
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 1.2em;
}
.footer-links li + li { margin-top: .7em; }
.footer-links a {
    font-size: var(--t-sm);
    transition: color var(--transition);
}
.footer-links a:hover { color: var(--c-primary); }

.footer-desc {
    font-size: var(--t-sm);
    margin: 1em 0 1.5em;
    max-width: 34ch;
}
.footer-phone {
    display: inline-flex;
    align-items: center;
    gap: .6em;
    color: var(--c-primary);
    font-weight: 700;
    font-size: var(--t-md);
}
.footer-bottom {
    margin-top: 3em;
    padding-block: 1.5em;
    border-top: 1px solid rgba(255, 255, 255, .08);
    display: flex;
    justify-content: space-between;
    gap: 1em;
    flex-wrap: wrap;
    font-size: var(--t-xs);
}

/* ---------- Pomijanie do treści ---------- */
.skip-link {
    position: absolute;
    left: -9999px;
}
.skip-link:focus {
    left: 1em;
    top: 1em;
    z-index: 200;
    background: var(--c-white);
    color: var(--c-text);
    padding: .75em 1.25em;
    border-radius: var(--radius-sm);
}