/* ==========================================================================
   1. Zmienne i Style Globalne
   ========================================================================== */
:root {
    --color-primary: #1C3D5A; /* Granatowy */
    --color-accent: #3A7D44;  /* Stonowana Zieleń */
    --color-accent-light: #eaf3eb; /* Jasna zieleń dla tła */
    --color-text: #333333;    /* Ciemny Grafit */
    --color-light-gray: #F8F9FA;
    --color-white: #FFFFFF;
    --color-border: #e9ecef;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    --shadow-sm: 0 4px 6px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 20px rgba(0,0,0,0.1);
    --border-radius: 8px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.7;
    background-color: var(--color-white);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; text-shadow: 0 2px 4px rgba(0,0,0,0.2); }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.4rem; }

section {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.container {
    width: 90%;
    max-width: 1140px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-header h2 {
    margin-bottom: 10px;
}
.section-header p {
    font-size: 1.1rem;
    color: #6c757d;
    max-width: 600px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 14px 35px;
    background-color: var(--color-accent);
    color: var(--color-white);
    text-decoration: none;
    font-weight: 600;
    font-family: var(--font-heading);
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.btn:hover {
    background-color: #2e6436;
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.15);
}

.bg-light {
    background-color: var(--color-light-gray);
}

/* ==========================================================================
   2. Nawigacja
   ========================================================================== */
.main-header {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: background-color 0.3s;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 700;
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
}

.main-nav a {
    text-decoration: none;
    color: var(--color-primary);
    font-weight: 600;
    transition: color 0.3s ease;
    position: relative;
    padding-bottom: 5px;
}

.main-nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--color-accent);
    transition: all 0.3s ease-out;
}

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

.main-nav a:hover::after, .main-nav a.active::after {
    width: 100%;
    left: 0;
}

/* ==========================================================================
   3. Sekcje
   ========================================================================== */

/* SEKCJA HERO ZE SLIDEREM - NOWA WERSJA */
#hero {
    padding: 0;
    height: 95vh;
    position: relative;
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-main-content {
    position: relative;
    z-index: 3;
    padding: 20px;
}

.hero-main-content h1 {
    color: var(--color-white);
    font-size: 3.5rem;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.7);
    margin-bottom: 15px;
    font-weight: 700;
}

.hero-main-content p {
    color: var(--color-white);
    font-size: 1.25rem;
    text-shadow: 1px 1px 6px rgba(0,0,0,0.7);
    font-weight: 400;
    max-width: 800px;
    margin: 0 auto 30px auto;
}

.slider-container-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.slider-container-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(28, 61, 90, 0.6);
    z-index: 2;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide:nth-child(1) { background-image: url('../img/hero-1.jpg'); }
.slide:nth-child(2) { background-image: url('../img/hero-2.jpg'); }
.slide:nth-child(3) { background-image: url('../img/hero-3.jpg'); }

/* O Nas */
#o-nas .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
#o-nas .about-content h2 { text-align: left; }
#o-nas .about-content p strong { color: var(--color-accent); }
#o-nas .about-image-wrapper { position: relative; }
#o-nas .about-image-wrapper::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: var(--color-accent-light);
    border-radius: var(--border-radius);
    top: -20px;
    left: -20px;
    z-index: -1;
}
#o-nas img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

/* Usługi */
#uslugi {
     background: linear-gradient(rgba(28, 61, 90, 0.8), rgba(28, 61, 90, 0.8)), url('../img/services-bg.jpg') no-repeat center center/cover;
}
#uslugi .section-header h2, 
#uslugi .section-header p {
    color: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}
.service-card {
    background: var(--color-white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border-top: 4px solid transparent;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    text-align: center;
}
.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
    border-top-color: var(--color-accent);
}
.service-card .icon {
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: 20px;
}
.service-card ul {
    list-style: none;
    padding-left: 0;
    text-align: left;
    margin-top: 20px;
    color: #555;
}
.service-card li {
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
}
.service-card li i {
    color: var(--color-accent);
    margin-right: 10px;
    margin-top: 5px;
}

/* Dlaczego My */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}
.feature-item {
    text-align: center;
}
.feature-item .icon {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    border-radius: 50%;
    font-size: 2.5rem;
    margin-bottom: 20px;
    transition: all 0.3s;
}
.feature-item:hover .icon {
    background-color: var(--color-accent);
    color: var(--color-white);
    transform: scale(1.1) rotate(10deg);
}
.feature-item h3 { font-size: 1.2rem; }

/* Cennik */
#cennik.bg-light .container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}
.pricing-content { text-align: left; }
.pricing-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

/* FAQ */
#faq .container { max-width: 800px; }
.faq-item {
    background: var(--color-white);
    margin-bottom: 15px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}
.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    padding: 20px 25px;
}
.faq-question .icon { color: var(--color-accent); transition: transform 0.3s; font-size: 1.2rem; }
.faq-question.active .icon { transform: rotate(180deg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out, padding 0.5s ease-out;
    padding: 0 25px;
}
.faq-answer p { padding-bottom: 20px; }

/* Kontakt */
#kontakt {
    background: linear-gradient(rgba(28, 61, 90, 0.8), rgba(28, 61, 90, 0.8)), url('../img/contact-bg.jpg') no-repeat center center/cover;
}
#kontakt .section-header h2,
#kontakt .section-header p {
    color: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: center;
    background-color: var(--color-white);
    padding: 50px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.contact-map {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    height: 100%;
    min-height: 450px;
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.contact-info h3 { 
    margin-top: 0; 
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    font-size: 1rem;
}
.contact-info-item .icon {
    font-size: 1.4rem;
    color: var(--color-accent);
    margin-right: 20px;
    margin-top: 5px;
    width: 25px;
}
.contact-info a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
}
.contact-info a:hover {
    text-decoration: underline;
}

/* Stopka */
footer {
    background-color: var(--color-primary);
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
    padding: 30px 0;
}
footer .social-icons {
    margin-bottom: 15px;
}
footer .social-icons a {
    color: var(--color-white);
    font-size: 1.5rem;
    margin: 0 10px;
    transition: color 0.3s;
}
footer .social-icons a:hover {
    color: var(--color-accent);
}

/* Przycisk Powrotu na Górę */
#back-to-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-accent);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    text-decoration: none;
    box-shadow: var(--shadow-md);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(100px);
    transition: all 0.4s ease;
}

#back-to-top-btn:hover {
    background-color: #2e6436; /* Ciemniejsza zieleń */
    transform: translateY(-5px);
}

#back-to-top-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}


/* ==========================================================================
   4. Responsywność
   ========================================================================== */
@media (max-width: 992px) {
    #o-nas .container, #cennik.bg-light .container, .contact-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    #o-nas .about-image-wrapper { max-width: 500px; margin: 0 auto; }
}

@media (max-width: 768px) {
    h1, .hero-main-content h1 { font-size: 2.2rem; }
    .hero-main-content p { font-size: 1.2rem; }
    h2 { font-size: 2rem; }
    section { padding: 80px 0; }
    
    .main-header .container {
        flex-direction: column;
        gap: 15px;
    }
    .main-nav ul {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    #hero { height: 80vh; }
    
    .contact-grid {
        padding: 30px;
    }
}

@media (max-width: 576px) {
    .contact-grid {
        padding: 20px;
    }
    #back-to-top-btn {
        width: 45px;
        height: 45px;
        right: 20px;
        bottom: 20px;
    }
}