/* ==========================================================================
   Właśnie Tak! — Arkusz stylów (wersja 2: hero + graficzny nav)
   --------------------------------------------------------------------------
   - Hero pełnoekranowy z dużym logo i strzałką w dół
   - Nawigacja pojawia się dopiero po opuszczeniu hero (JS dodaje klasę)
   - Zakładki to grafiki (SVG/PNG), nie tekst
   ========================================================================== */


/* ==========================================================================
   1. CSS VARIABLES — zmieniasz tu raz, działa wszędzie
   ========================================================================== */
:root {
    /* Kolory bazowe */
    --color-bg: #F4F0EA;            /* kremowe tło z logo */
    --color-bg-alt: #EFE9E0;        /* drugie tło dla naprzemiennych sekcji */
    --color-text: #1A1A1A;
    --color-text-soft: #555555;
    --color-border: #DDD4C5;
    --color-white: #FFFFFF;

    /* Akcenty z grafik Pati */
    --color-pomaranczowy: #F47B5A;  /* "o nas" */
    --color-fioletowy: #B7B2D8;     /* "realizacje" */
    --color-limonkowy: #C5E03C;     /* "kontakt" */
    --color-niebieski: #4A5FE8;     /* z logo (kółko wokół "tak") */

    /* Fonty */
    --font-sans: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Skala rozmiarów */
    --size-xs: 0.8rem;
    --size-sm: 0.9rem;
    --size-base: 1rem;
    --size-lg: 1.25rem;
    --size-xl: 1.5rem;
    --size-2xl: 2rem;
    --size-3xl: 2.75rem;
    --size-4xl: 3.5rem;

    /* Odstępy */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;

    /* Inne */
    --radius: 8px;
    --radius-lg: 16px;
    --transition: 200ms ease;
    --max-width: 1200px;
    --max-width-narrow: 760px;

    /* Wysokość nav */
    --nav-height: 80px;
}


/* ==========================================================================
   2. RESET
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-sans);
    font-size: var(--size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

a {
    color: var(--color-niebieski);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: #3849D4;
}

button {
    font: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}


/* ==========================================================================
   3. UTILITIES
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container--narrow {
    max-width: var(--max-width-narrow);
}

.container--left {
    max-width: var(--max-width-narrow);
    margin: 0 auto 0 0;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--color-niebieski);
    color: #fff;
    padding: var(--space-3) var(--space-6);
    z-index: 1000;
}
.skip-link:focus {
    left: 0;
    color: #fff;
}

.seo-hidden {
    display: none;
}

/* Visually hidden — element widoczny tylko dla czytników ekranu i Google */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}


/* ==========================================================================
   4. NAWIGACJA — ukryta na hero, pojawia się po scrollu
   ========================================================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(244, 240, 234, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);

    /* Domyślnie schowane (poza ekranem) */
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 300ms ease, opacity 300ms ease;
    pointer-events: none;
}

/* Klasa dodawana przez JS po opuszczeniu hero */
.nav.is-visible {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--nav-height);
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
    gap: var(--space-4);
}

.nav__logo img {
    height: 40px;
    width: auto;
}

/* Hamburger (mobile) */
.nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}
.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: transform var(--transition);
}

/* Menu — mobile = ukryte rozwijane */
.nav__menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-6);
    transform: translateY(-150%);
    transition: transform 250ms ease;
}

.nav__menu.is-open {
    transform: translateY(0);
}

.nav__menu ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
}

/* Graficzne zakładki */
.nav__tab {
    display: block;
    transition: transform var(--transition);
}

.nav__tab img {
    height: 56px;
    width: auto;
    transition: transform var(--transition);
}

.nav__tab:hover img {
    transform: scale(1.05) rotate(-1deg);
}


/* ==========================================================================
   5. HERO — pełen ekran
   ========================================================================== */
.hero {
    min-height: 100vh;
    min-height: 100svh;  /* lepsze na mobile (małe vh) */
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse at center, transparent 0%, rgba(74, 95, 232, 0.04) 100%),
        var(--color-bg);
    position: relative;
    padding: var(--space-8);
}

.hero__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-12);
    width: 100%;
    max-width: 900px;
}

.hero__logo {
    width: 100%;
    max-width: 700px;
    height: auto;
    animation: fadeInUp 800ms ease both;
}

/* Motto pod logo */
.hero__motto {
    font-size: var(--size-lg);
    font-weight: 500;
    color: var(--color-text-soft);
    text-align: center;
    max-width: 540px;
    margin-top: calc(var(--space-12) * -0.4);  /* podciąga bliżej logo */
    line-height: 1.4;
    animation: fadeIn 1000ms ease 300ms both;
}

/* Strzałka i napis "scroll" — animowany bounce */
.hero__scroll {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text);
    text-decoration: none;
    padding: var(--space-3);
    animation: fadeIn 1200ms ease 400ms both;
}

.hero__scroll-text {
    font-size: var(--size-xs);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-soft);
}

.hero__arrow {
    animation: bounceDown 2s ease-in-out infinite;
    color: var(--color-niebieski);
}

@keyframes bounceDown {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}


/* ==========================================================================
   6. SEKCJE — wspólne style
   ========================================================================== */
.section {
    padding: var(--space-8) 0;
}

.section--alt {
    background: var(--color-bg-alt);
}

.section--compact {
    padding: var(--space-12) 0;
}

.section--contact {
    background: var(--color-text);
    color: var(--color-bg);
}

.section--contact .section__title {
    color: var(--color-bg);
}

.section--contact .section__subtitle {
    color: rgba(244, 240, 234, 0.75);
}

.section__header {
    text-align: left;
    margin-bottom: var(--space-12);
}

.section__title {
    font-size: var(--size-2xl);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-3);
}

/* Placeholdery — wizualnie sygnalizują "tu napiszemy treść" */
.placeholder {
    color: #B5A998 !important;
    font-style: italic;
    opacity: 0.85;
}

/* Wariant tytułu jako grafika (zamiast tekstu) */
.section__title--img {
    margin-bottom: var(--space-4);
    line-height: 0;  /* eliminuje przestrzeń pod obrazkiem */
}

.section__title--img img {
    height: 80px;        /* mobile: ~połowa naturalnej wysokości */
    width: auto;         /* szerokość proporcjonalna */
    max-width: 100%;     /* na bardzo małych ekranach nie wystaje */
}

.section__subtitle {
    color: var(--color-text-soft);
    max-width: 600px;
    margin: 0;          /* było 0 auto — teraz lewa */
}

/* Strzałka "scroll" na końcu sekcji — prowadzi do następnej sekcji */
.section__scroll {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: var(--space-16);
    padding: var(--space-3);
    color: var(--color-text);
    text-decoration: none;
    transition: transform var(--transition);
}

.section__scroll svg {
    color: var(--color-niebieski);
    animation: bounceDown 2s ease-in-out infinite;
}

.section__scroll:hover {
    transform: translateY(2px);
}


/* ==========================================================================
   7. O NAS
   ========================================================================== */
.about {
    display: grid;
    gap: var(--space-12);
    align-items: start;
}

.about__photo-placeholder {
    aspect-ratio: 1 / 1;
    background: var(--color-bg-alt);
    border: 2px dashed var(--color-text-soft);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    color: var(--color-text-soft);
    text-align: center;
    padding: var(--space-6);
}

.about__photo-placeholder span {
    font-size: 3rem;
}

.about--full {
    display: block;
}

.about--full .about__text {
    max-width: 640px;
}

.about__intro {
    font-size: var(--size-lg);
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.3;
    margin-bottom: var(--space-4);
}

.about__text p {
    font-size: var(--size-base);
    line-height: 1.7;
    margin-bottom: var(--space-4);
    color: var(--color-text-soft);
}

.about__pullquote {
    font-size: var(--size-lg);
    line-height: 1.4;
    border-left: 4px solid var(--color-pomaranczowy);
    padding-left: var(--space-6);
    margin: var(--space-8) 0;
    color: var(--color-text) !important;
    font-weight: 500;
}

.about__subhead {
    font-size: var(--size-lg);
    font-weight: 700;
    margin-top: var(--space-8);
    margin-bottom: var(--space-4);
}

.about__list,
.about__steps {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}

.about__list li,
.about__steps li {
    margin-bottom: var(--space-2);
    color: var(--color-text-soft);
}

.about__list {
    list-style: disc;
}

.about__steps {
    list-style: decimal;
}


/* ==========================================================================
   8a. PROCESS — kroki "jak działamy" (sekcja realizacje, tymczasowo)
   ========================================================================== */
.process {
    display: grid;
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

.process__step {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    position: relative;
    transition: transform var(--transition), box-shadow var(--transition);
}

.process__step:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
}

.process__number {
    /* Grafika cyfry — naturalna 100×100 px, pokazujemy ~70 mobile / 80 desktop */
    width: auto;
    height: 70px;
    display: block;
    margin-bottom: var(--space-4);
}

.process__step h3 {
    font-size: var(--size-lg);
    margin-bottom: var(--space-2);
    font-weight: 700;
}

.process__step p {
    color: var(--color-text-soft);
    font-size: var(--size-base);
    line-height: 1.5;
    margin: 0;
}

/* Dostawcy — akcent pod krokami */
.suppliers {
    text-align: left;
    padding: var(--space-8) 0;
    border-top: 1px solid var(--color-border);
}

.suppliers p {
    color: var(--color-text-soft);
    font-size: var(--size-base);
    line-height: 1.7;
    max-width: 760px;
    margin: 0;
}


/* ==========================================================================
   8. REALIZACJE (portfolio)
   ========================================================================== */
.portfolio {
    display: grid;
    gap: var(--space-8);
}

.portfolio__item {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition);
}

.portfolio__item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.07);
}

.portfolio__cover {
    aspect-ratio: 4 / 3;
    background-size: cover;
    background-position: center;
}

.portfolio__cover--placeholder {
    background: linear-gradient(135deg, var(--color-fioletowy) 0%, var(--color-bg-alt) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: var(--size-sm);
}

.portfolio__meta {
    padding: var(--space-6);
}

.portfolio__meta .tag {
    display: inline-block;
    background: var(--color-bg-alt);
    color: var(--color-text);
    padding: 2px 10px;
    border-radius: 999px;
    font-size: var(--size-xs);
    font-weight: 600;
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.portfolio__meta h3 {
    font-size: var(--size-lg);
    margin-bottom: var(--space-2);
}

.portfolio__meta p {
    color: var(--color-text-soft);
    font-size: var(--size-sm);
}


/* ==========================================================================
   9. KONTAKT — duży button do formularza Google
   ========================================================================== */
.contact-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-12);
}

.contact-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    transition: transform var(--transition);
    text-decoration: none;
}

.contact-btn:hover {
    transform: scale(1.04) rotate(-1deg);
}

.contact-btn__graphic {
    width: auto;
    height: 140px;       /* mobile: ~350px szerokości */
    max-width: 90vw;
}

.contact-btn__sub {
    font-size: var(--size-xs);
    color: rgba(244, 240, 234, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-size: var(--size-sm);
    font-weight: 700;
    color: rgba(244, 240, 234, 0.9);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(244, 240, 234, 0.25);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-4);
    color: var(--color-white);
    font-family: var(--font-sans);
    font-size: var(--size-base);
    transition: border-color var(--transition);
    width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(244, 240, 234, 0.4);
}

.form-group select option {
    background: #2a2a2a;
    color: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-limonkowy);
}

.form-group textarea {
    resize: vertical;
}

.form-submit {
    background: var(--color-limonkowy);
    color: var(--color-text);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-sans);
    font-size: var(--size-base);
    font-weight: 700;
    cursor: pointer;
    transition: opacity var(--transition), transform var(--transition);
    align-self: flex-start;
}

.form-submit:hover {
    opacity: 0.85;
    transform: translateY(-2px);
}

.contact-alt {
    text-align: center;
    color: rgba(244, 240, 234, 0.75);
}

.contact-alt p {
    margin-bottom: var(--space-2);
}

.contact-alt a {
    color: var(--color-limonkowy);
}

.contact-alt a:hover {
    color: var(--color-white);
}


/* ==========================================================================
   10. STOPKA
   ========================================================================== */
.footer {
    background: var(--color-text);
    color: rgba(255, 255, 255, 0.75);
    padding-top: var(--space-16);
}

.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-3);
    padding-bottom: var(--space-12);
}

.footer__brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
}

.footer__brand img {
    margin-bottom: var(--space-2);
    filter: invert(1) brightness(2);
    opacity: 0.85;
}

.footer__brand p,
.footer__brand a {
    color: rgba(255, 255, 255, 0.7);
}

.footer__brand a:hover,
.footer__col a:hover {
    color: var(--color-white);
}

.footer__col h4 {
    color: var(--color-white);
    font-size: var(--size-base);
    margin-bottom: var(--space-4);
}

.footer__col ul {
    display: grid;
    gap: var(--space-2);
}

.footer__col a {
    color: rgba(255, 255, 255, 0.7);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-6) 0;
    font-size: var(--size-sm);
    text-align: center;
}

.footer__bottom a {
    color: rgba(255, 255, 255, 0.7);
}


/* ==========================================================================
   11. RESPONSIVE
   ========================================================================== */

/* Tablet (od 640px) */
@media (min-width: 640px) {
    .container {
        padding: 0 var(--space-8);
    }

    /* Stopka pozostaje wycentrowana (flex column) — bez gridów */
}

/* Desktop (od 900px) */
@media (min-width: 900px) {
    .section__title {
        font-size: var(--size-3xl);
    }

    .section__title--img img {
        height: 100px;       /* desktop: dokładnie połowa naturalnej 200px = ostre */
    }

    .section {
        padding: var(--space-12) 0;
    }

    /* O nas — dwie kolumny */
    .about {
        grid-template-columns: 5fr 7fr;
        gap: var(--space-16);
    }

    /* Realizacje — 3 kolumny */
    .portfolio {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Process — 4 kolumny na desktop */
    .process {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-4);
    }

    .process__step {
        padding: var(--space-6);
    }

    .process__step h3 {
        font-size: var(--size-base);
    }

    .process__number {
        height: 80px;
    }

    /* Nawigacja — desktop, bez hamburgera */
    .nav__toggle {
        display: none;
    }

    .nav__menu {
        position: static;
        transform: none !important;
        padding: 0;
        background: transparent;
        border: none;
    }

    .nav__menu ul {
        flex-direction: row;
        align-items: center;
        gap: var(--space-4);
    }

    .nav__tab img {
        height: 48px;
    }

    /* Większa strzałka na desktop */
    .hero__arrow {
        width: 40px;
        height: 40px;
    }

    /* Większe motto na desktop */
    .hero__motto {
        font-size: var(--size-xl);
        max-width: 640px;
    }

    .contact-btn__graphic {
        height: 200px;       /* desktop: dokładnie połowa naturalnej 400px = retina-ostre */
    }
}


/* ==========================================================================
   12. USŁUGI
   ========================================================================== */
.services {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-8);
}

.service-item {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: var(--space-8);
    padding: var(--space-8) 0;
    border-bottom: 1px solid var(--color-border);
    align-items: start;
}

.service-item:first-child {
    border-top: 1px solid var(--color-border);
}

.service-item__num {
    font-size: 2.5rem;
    line-height: 1;
    display: block;
    padding-top: 0.1em;
}

.service-item h3 {
    font-size: var(--size-xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: var(--color-text);
}

.service-item p {
    color: var(--color-text-soft);
    line-height: 1.65;
    margin: 0;
}

.services__area {
    text-align: center;
    color: var(--color-text-soft);
    font-size: var(--size-sm);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}

@media (min-width: 900px) {
    .service-item {
        grid-template-columns: 80px 1fr;
    }
}


/* ==========================================================================
   13. FAQ
   ========================================================================== */
.faq {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.faq__item {
    background: var(--color-white);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.faq__question {
    font-size: var(--size-base);
    font-weight: 700;
    color: var(--color-text);
    padding: var(--space-6);
    cursor: default;
    line-height: 1.4;
}

.faq__answer {
    color: var(--color-text-soft);
    padding: 0 var(--space-6) var(--space-6);
    line-height: 1.65;
}


/* ==========================================================================
   14. SOCIAL LINKS W STOPCE
   ========================================================================== */
.footer__social {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-3);
    justify-content: center;
}

.footer__social a {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--size-sm);
    text-decoration: none;
    transition: color var(--transition);
}

.footer__social a:hover {
    color: var(--color-white);
}


/* ==========================================================================
   15. HERO H1 — widoczny, zastępuje tagline
   ========================================================================== */
.hero__tagline {
    font-size: var(--size-sm);
    font-weight: 600;
    color: var(--color-text);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    padding-left: 0.35em;
    margin-top: calc(var(--space-12) * -0.6);
    animation: fadeIn 1000ms ease 300ms both;
}

@media (min-width: 900px) {
    .hero__tagline {
        font-size: var(--size-base);
        letter-spacing: 0.4em;
        padding-left: 0.4em;
    }
}


/* ==========================================================================
   16. PRINT
   ========================================================================== */
@media print {
    .nav, .footer, .hero__scroll {
        display: none;
    }
    .hero {
        min-height: auto;
    }
}