/* ============================================================
   USŁUGI KOPARKĄ GOSZCZANÓW — style.css
   Tokeny + klasy wspólne. CSS unikalny dla danej sekcji strony
   trzymamy inline w <style> w miejscu użycia.
   Styl: industrialny/budowlany. Limonka + czerń + grafit, bez zaokrągleń.
   ============================================================ */

:root {
    /* Kolory (max 6) */
    --c-primary:      #A8C914; /* limonkowy, przyciski/ikony/akcenty */
    --c-primary-dark: #8FAE10; /* ciemniejszy limonkowy, hover na jasnym tle */
    --c-dark:         #121212; /* czarny, nagłówki i najciemniejsze elementy */
    --c-text:         #4F4F4F; /* szary, zwykłe teksty i opisy */
    --c-bg:           #EEEEEC; /* jasnoszary, tło strony/linie/separatory */
    --c-white:        #FFFFFF;

    --c-muted:        #6E6E6E;
    --c-border:       #DCDCD8;
    --c-graphite:     #292929; /* karty usług, ciemne panele */

    /* Typografia: 5 rozmiarów */
    --t-xs:   0.8125rem;
    --t-sm:   0.875rem;
    --t-base: 0.9375rem;
    --t-md:   1rem;
    --t-lg:   1.125rem;

    --font-heading: 'Oswald', 'Anton', sans-serif;
    --font: 'Montserrat', system-ui, -apple-system, sans-serif;

    --radius: 0px;    /* styl industrialny — brak zaokrągleń */
    --shadow: 0 2px 10px rgba(18, 18, 18, .08);

    --max-w:     1180px;
    --header-h:  76px;
    --trans:     .25s ease;
}

*, *::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%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
address { font-style: normal; }
button { font: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    line-height: 1.15;
    font-weight: 600;
    letter-spacing: .015em;
    color: var(--c-dark);
}

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

.section { padding-block: 5.5em; }
@media (max-width: 600px) { .section { padding-block: 2.5em; } }
.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); }

.skip-link { position: absolute; top: -100%; left: 8px; background: var(--c-primary); color: var(--c-dark); padding: 10px 18px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: 13px; z-index: 9999; transition: top .2s; }
.skip-link:focus { top: 0; }
:focus-visible { outline: 3px solid var(--c-primary); outline-offset: 2px; }

/* ---------- Nagłówki sekcji ---------- */
.section-header { max-width: 720px; margin: 0 auto 3em; text-align: center; }
.section-header--left { text-align: left; margin: 0 0 2.5em; max-width: 620px; }
.section-tag {
    display: inline-block;
    font-size: var(--t-xs);
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--c-dark);
    border: 1px solid var(--c-border);
    padding: .4em 1em;
}
.section--dark .section-tag { color: var(--c-primary); border-color: rgba(255,255,255,.2); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); margin-top: .5em; }
.section-header .section-title::after,
h2.section-title::after {
    content: "";
    display: block;
    width: 56px;
    height: 4px;
    margin: .55em auto 0;
    background: var(--c-primary);
}
.section-header--left .section-title::after { margin-inline: 0; }
.section-subtitle { margin-top: .8em; font-size: var(--t-md); color: var(--c-muted); }
.section--dark .section-subtitle { color: rgba(255,255,255,.68); }
.accent { color: var(--c-primary); }

/* ---------- Przyciski ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .8em;
    padding: .95em 1.7em;
    font-size: var(--t-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .12em;
    line-height: 1;
    border: 2px solid transparent;
    transition: background var(--trans), color var(--trans), border-color var(--trans), transform .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn::after { content: "\2192"; letter-spacing: 0; }
.btn-primary { background: var(--c-primary); color: var(--c-dark); border-color: var(--c-primary); }
.btn-primary:hover { background: var(--c-primary-dark); border-color: var(--c-primary-dark); }
.btn-dark { background: var(--c-dark); color: var(--c-white); border-color: var(--c-dark); }
.btn-dark:hover { background: var(--c-graphite); border-color: var(--c-graphite); }
.btn-outline { background: transparent; color: var(--c-white); border-color: rgba(255,255,255,.5); }
.btn-outline:hover { background: rgba(255,255,255,.1); border-color: var(--c-white); }
.btn-outline-dark { background: transparent; color: var(--c-dark); border-color: var(--c-border); }
.btn-outline-dark:hover { border-color: var(--c-primary); }
.btn-full { width: 100%; }

/* ---------- Karty ---------- */
.card {
    background: var(--c-white);
    border: 1px solid var(--c-border);
    padding: 2em;
    transition: transform .2s ease, box-shadow var(--trans), border-color var(--trans);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--c-primary); }
@media (max-width: 600px) { .card { padding: 1.25em; } }
.card-icon {
    width: 52px; height: 52px;
    display: grid; place-items: center;
    color: var(--c-primary);
    margin-bottom: 1.1em;
}

/* Karta na grafitowym tle z limonkowym paskiem po lewej (styl "usług") */
.tile {
    position: relative;
    background: var(--c-graphite);
    color: var(--c-white);
    padding: 1.75em 1.75em 1.75em 2em;
    transition: transform .2s ease, background var(--trans);
}
.tile:hover { transform: translateY(-3px); background: var(--c-dark); }
.tile::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--c-primary); }
.tile h3 { color: var(--c-white); font-size: var(--t-md); margin-bottom: .4em; }
.tile p { color: rgba(255,255,255,.7); font-size: var(--t-sm); }

/* ---------- Nagłówek strony ---------- */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 200;
    height: var(--header-h);
    background: rgba(18,18,18,.78);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255,255,255,.08);
    transition: background var(--trans), backdrop-filter var(--trans), border-color var(--trans);
}
/* Na stronach ze zdjęciem w hero nagłówek startuje przezroczysty, wtopiony w zdjęcie,
   i dopiero po przescrollowaniu (klasa is-scrolled, dodawana przez script.js) robi się czarny,
   tak samo jak tło sekcji zaraz pod hero. Bez żadnej dodatkowej animacji unoszenia/zwężania. */
.site-header.is-transparent:not(.is-scrolled) {
    background: transparent;
    backdrop-filter: none;
    border-bottom-color: transparent;
}
.site-header > .container { display: flex; align-items: center; gap: 1.5em; height: 100%; }
.logo { display: flex; align-items: center; gap: .6em; color: var(--c-white); flex-shrink: 0; }
.logo-text { font-family: var(--font-heading); text-transform: uppercase; font-size: 1.1rem; font-weight: 600; letter-spacing: .02em; line-height: 1.05; }
.logo-text .logo-line2 { color: var(--c-primary); }

.main-nav { flex: 1; margin-left: 2em; }
.nav-list { display: flex; align-items: center; justify-content: space-evenly; gap: .25em; }
.nav-list a {
    display: block; padding: .6em .9em;
    color: rgba(255,255,255,.78);
    font-size: var(--t-xs); font-weight: 700;
    text-transform: uppercase; letter-spacing: .1em;
    transition: color var(--trans);
}
.nav-list a:hover, .nav-list a.active { color: var(--c-primary); }

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

.hamburger { display: none; flex-direction: column; justify-content: center; gap: 5px; padding: 8px; margin-left: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--c-white); transition: transform .3s, opacity .3s; }
.hamburger.is-active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

@media (max-width: 860px) {
    :root { --header-h: 64px; }
    .hamburger { display: flex; }
    .header-cta { display: none; }
    .main-nav {
        display: none;
        flex: none; margin-left: 0;
        position: fixed; top: var(--header-h); left: 0; right: 0;
        background: var(--c-dark);
        border-top: 1px solid rgba(255,255,255,.08);
        border-bottom: 1px solid rgba(255,255,255,.08);
        box-shadow: 0 12px 24px rgba(0,0,0,.35);
        max-height: calc(100vh - var(--header-h));
        overflow-y: auto;
        z-index: 199;
    }
    .main-nav.is-open { display: block; }
    .nav-list { flex-direction: column; align-items: stretch; gap: 0; padding: .5em 0; }
    .nav-list a {
        padding: 1em 1.5em;
        border-left: 3px solid transparent;
        transition: color var(--trans), border-color var(--trans), background var(--trans);
    }
    .nav-list a:hover, .nav-list a.active {
        border-left-color: var(--c-primary);
        background: rgba(255,255,255,.04);
    }
}

/* ---------- Stopka ---------- */
.site-footer {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #1c1c1c 0%, var(--c-dark) 55%);
    color: rgba(255,255,255,.68);
    padding-block: 4em 0;
    border-top: 3px solid var(--c-primary);
}
@media (max-width: 600px) { .site-footer { padding-block: 2.5em 0; } }
.footer-grid-pattern {
    position: absolute; inset: 0; z-index: 0; pointer-events: none;
    background-image:
        linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,.9) 0%, transparent 75%);
    -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.9) 0%, transparent 75%);
}
.footer-watermark {
    position: absolute; right: -1.5em; bottom: -1.2em; z-index: 0; pointer-events: none;
    width: clamp(220px, 24vw, 340px); height: auto;
    color: var(--c-primary); opacity: .07;
}
.footer-watermark svg { display: block; width: 100%; height: auto; }
@media (max-width: 640px) { .footer-watermark { width: 180px; opacity: .06; } }
.site-footer .container { position: relative; z-index: 1; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1.2fr; gap: 2.5em; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@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: .1em; margin-bottom: 1.1em; }
.footer-links li + li { margin-top: .65em; }
.footer-links a, .footer-links span { font-size: var(--t-sm); transition: color var(--trans); }
.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-social { display: flex; gap: 1em; margin-top: 1em; }
.footer-social a { font-size: var(--t-xs); font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: rgba(255,255,255,.6); }
.footer-social a:hover { color: var(--c-primary); }
.footer-map-link { display: inline-flex; align-items: flex-start; gap: .5em; }
.footer-map-link:hover { color: var(--c-primary); }
.footer-map-link__icon { flex: none; width: 15px; height: 15px; margin-top: .15em; stroke: var(--c-primary); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.footer-bottom {
    margin-top: 3em; padding-block: 1.5em;
    border-top: 1px solid rgba(255,255,255,.1);
    display: flex; justify-content: space-between; gap: 1em; flex-wrap: wrap;
    font-size: var(--t-xs);
}

/* Sticky pasek na mobile: szybki telefon/formularz */
.mobile-sticky-cta { display: none; }
@media (max-width: 640px) {
    .mobile-sticky-cta {
        display: flex; gap: 0;
        position: fixed; inset: auto 0 0 0; z-index: 190;
        border-top: 1px solid var(--c-border);
    }
    .mobile-sticky-cta .btn { flex: 1 1 50%; border: none; padding: 1em; }
}

/* ---------- Formularz kontaktowy ---------- */
.form-card { background: var(--c-white); border: 1px solid var(--c-border); padding: 2em; }
@media (max-width: 600px) { .form-card { padding: 1.25em; } }
.contact-form { display: flex; flex-direction: column; gap: 1.1em; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1em; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.form-group { display: flex; flex-direction: column; gap: .4em; }
.form-group label { font-size: var(--t-sm); font-weight: 700; color: var(--c-dark); }
.form-group input, .form-group textarea {
    padding: .8em .9em; font: inherit; font-size: var(--t-base);
    color: var(--c-text); background: var(--c-bg);
    border: 1px solid var(--c-border);
    transition: border-color var(--trans), box-shadow var(--trans);
}
.form-group textarea { resize: vertical; min-height: 7em; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(168,201,20,.25); }
.checkbox-label { display: flex; align-items: flex-start; gap: .65em; font-size: var(--t-xs); line-height: 1.55; color: var(--c-muted); cursor: pointer; }
.checkbox-label input { width: 1.15em; height: 1.15em; margin-top: .1em; flex-shrink: 0; accent-color: var(--c-primary); }
.checkbox-label a { color: var(--c-dark); text-decoration: underline; }
.form-msg { padding: .9em 1.1em; font-size: var(--t-sm); font-weight: 700; display: none; }
.form-msg--ok { background: var(--c-bg); border: 1px solid var(--c-primary); color: var(--c-dark); }
.form-msg--err { background: var(--c-bg); border: 1px solid var(--c-graphite); color: var(--c-dark); }
.hp-field { position: absolute; left: -9999px; }

/* ---------- Utylitarne ---------- */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
.fade-in.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .fade-in { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}