:root {
    /* Kolory */
    --color-ink: #0F1B2D;         /* głęboki granat — tekst, tło hero */
    --color-ink-light: #1C2E4A;   /* jaśniejszy granat — gradient hero */
    --color-accent: #FF8A3D;      /* bursztynowy — CTA, akcenty, "status dot" */
    --color-accent-dark: #E96F1F; /* hover dla akcentu */
    --color-teal: #1F9E96;        /* drugi akcent — ikony, drobne detale */
    --color-bg: #F5F6F7;          /* tło sekcji */
    --color-white: #FFFFFF;
    --color-text-muted: #52606D;

    /* Typografia */
    --font-display: 'Space Grotesk', 'Arial', sans-serif;
    --font-body: 'Inter', 'Arial', sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--color-ink);
    background: var(--color-bg);
}

h1, h2, h3, .logo {
    font-family: var(--font-display);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 40px);
}

/* Sygnaturowy element: pulsujący "status dot" przy nagłówkach sekcji,
   nawiązujący do diagnostyki/naprawy ("urządzenie online"). */
.section-heading {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: clamp(28px, 5vw, 36px);
    margin-bottom: 20px;
    color: var(--color-ink);
}

.section-heading--center {
    justify-content: center;
    margin-bottom: 50px;
}

.section-heading::before {
    content: '';
    display: inline-block;
    width: 10px;
    height: 10px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--color-accent);
    animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 138, 61, 0.5); }
    50% { box-shadow: 0 0 0 6px rgba(255, 138, 61, 0); }
}

/* Scroll-reveal: elementy wjeżdżają delikatnie przy scrollu.
   IntersectionObserver w script.js dodaje klasę .is-visible. */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .section-heading::before {
        animation: none;
    }
}

/** HEADER - Główna belka / nav bar */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 clamp(20px, 4vw, 40px);
    background: var(--color-white);
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* Logo */
.logo {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-ink);
}

/* Menu Desktop */
.nav a{
    margin-left: 25px;
    text-decoration: none;
    color: var(--color-ink);
    font-size: 16px;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

/* Hamburger — <button>, resetujemy domyślne style przeglądarki */
.hamburger {
    display: none;
    font-size: 32px;
    line-height: 1;
    cursor: pointer;
    background: none;
    border: none;
    padding: 8px;
    color: var(--color-ink);
}

/* Menu Mobile */
.mobile-nav {
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    padding: 0 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);

    height: 0;              
    overflow: hidden;
    transition: height 0.3s ease;
}

.mobile-nav a {
    padding: 12px 0;
    text-decoration: none;
    color: var(--color-ink);
    font-size: 18px;
}

.mobile-nav a:hover {
    color: var(--color-accent);
}

.mobile-nav.open {
    height: 150px;
}

/* HERO — duża sekcja powitalna  */
.hero {
    background: linear-gradient(135deg, var(--color-ink), var(--color-ink-light));
    color: var(--color-white);
    padding: 80px clamp(20px, 5vw, 60px);
    text-align: center;
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(32px, 6vw, 48px);
    font-weight: 600;
    margin-bottom: 20px;
}

.hero p {
    font-size: clamp(16px, 3vw, 20px);
    margin-bottom: 30px;
    line-height: 1.6;
    color: rgba(255,255,255,0.85);
}

.cta {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-white);
    padding: 12px 28px;
    border-radius: 6px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.3s ease, transform 0.2s ease;
}

.cta:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
}

/* O NAS — sekcja dwukolumnowa   */
.about {
    padding: 80px clamp(20px, 5vw, 60px);
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
}

.about-text p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 15px;
    color: var(--color-text-muted);
}

/* Usługi */

.services {
    padding: 40px clamp(20px, 5vw, 60px) 80px;
    background: var(--color-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.services-box {
    background: var(--color-white);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(15, 27, 45, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.services-box img {
    width: 60px;
    margin-bottom: 20px;
}

.services-box h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--color-ink);
}

.services-box p {
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-muted);
}

.services-box:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 20px rgba(15, 27, 45, 0.12);
}

/*
    Opinie 
*/

.reviews {
    padding: 80px clamp(20px, 5vw, 60px);
    background: var(--color-white);
}

.reviews-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.reviews-box {
    background: var(--color-bg);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(15, 27, 45, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.reviews-box img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: 20px;
}

.reviews-box h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--color-ink);
}

.stars {
    font-size: 20px;
    color: #FFD700;
    margin-bottom: 15px;
}

.reviews-box p {
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-muted);
}

.reviews-box:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 20px rgba(15, 27, 45, 0.12);
}

/* Kontakt */

.contact {
    padding: 80px clamp(20px, 5vw, 60px);
    background: var(--color-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.contact-info h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-ink);
}

.contact-info p {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--color-text-muted);
}

.contact-info a {
    color: var(--color-teal);
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

.contact-map iframe {
    width: 100%;
    height: 300px;
    min-height: 250px;
    border: 0;
    border-radius: 10px;
    display: block;
}

/* Footer */

.footer {
    background: linear-gradient(135deg, var(--color-ink), var(--color-ink-light));
    color: var(--color-white);
    padding: 80px clamp(20px, 5vw, 60px);
    margin-top: 60px;
}

.footer-grid {
    display: flex;
    flex-direction: column;
    align-items: center;      
    text-align: center;       
    gap: 40px;
}


.footer-row {
    max-width: 600px;         
    width: 100%;
}


.footer-info h3 {
    font-size: 26px;
    margin-bottom: 10px;
}

.footer-info p {
    font-size: 18px;
    line-height: 1.6;
}


.footer-contact p {
    font-size: 16px;
    margin-bottom: 8px;
}

.footer-contact a {
    color: var(--color-white);
    text-decoration: none;
}

.footer-contact a:hover {
    text-decoration: underline;
}


.footer-social {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.footer-social img {
    width: 40px;
    height: 40px;
}


.footer-copy {
    font-size: 14px;
    color: #ccc;
}

/* RESPONSYWNOŚĆ */
/* 
Breakpoints użyte w sekcji Usługi:
- max-width: 900px → układ dla tabletów poziomo (3 kolumny → 2 kolumny)
- max-width: 768px → ogólny breakpoint dla tabletów (używany wcześniej w innych sekcjach)
- max-width: 600px → układ dla telefonów (2 kolumny → 1 kolumna)
*/

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


    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .section-heading {
        justify-content: center;
    }

    .contact-map iframe {
        height: 250px;
    }
}

@media (max-width: 768px) {
    
    .nav {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-image {
        order: -1;
    }

    .about .section-heading {
        justify-content: center;
    }
}



@media (max-width: 600px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
    }
}