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

:root {
    /* Paleta kolorów */
    --color-primary: #0056b3;
    --color-primary-dark: #004494;
    --color-primary-light: #1a75cc;
    --color-secondary: #f39c12;
    --color-secondary-dark: #e67e22;
    --color-accent: #2ecc71;
    --color-dark: #333333;
    --color-gray-dark: #555555;
    --color-gray: #777777;
    --color-gray-light: #dddddd;
    --color-light: #f8f9fa;
    --color-white: #ffffff;
    
    /* Typografia */
    --font-primary: 'Arial', sans-serif;
    --font-secondary: 'Helvetica', sans-serif;
    
    /* Odstępy */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Zaokrąglenia */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    
    /* Cienie */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 1rem 2rem rgba(0, 0, 0, 0.15);
    
    /* Przejścia */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: var(--font-primary);
    color: var(--color-dark);
    line-height: 1.6;
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

ul, ol {
    list-style: none;
}

/* Kontenery */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Przyciski */
.btn {
    display: inline-block;
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

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

.btn--secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn--secondary:hover {
    background-color: var(--color-primary-light);
    color: var(--color-white);
}

.btn--accent {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn--accent:hover {
    background-color: #27ae60;
    color: var(--color-white);
}

/* Nagłówek */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: background-color var(--transition-normal);
}

.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: block;
}

.logo__img {
    height: 50px;
    width: auto;
}

.nav__list {
    display: flex;
    gap: var(--spacing-lg);
}

.nav__link {
    color: var(--color-gray-dark);
    font-weight: 500;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    height: 2px;
    width: 0;
    background-color: var(--color-primary);
    transition: width var(--transition-normal);
}

.nav__link:hover::after,
.nav__link--active::after {
    width: 100%;
}

.nav__link--active {
    color: var(--color-primary);
}

.burger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.burger__line {
    width: 30px;
    height: 3px;
    background-color: var(--color-dark);
    transition: all var(--transition-fast);
}

/* Baner główny */
.banner {
    position: relative;
    padding: 10rem 0 6rem;
    background-color: #f0f5fd;
    overflow: hidden;
}

.banner__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.banner__vector {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.banner__content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.banner__title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
    line-height: 1.2;
}

.banner__subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-dark);
}

.banner__cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Sekcje */
.section {
    padding: var(--spacing-xl) 0;
}

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

.section--accent {
    background-color: #e8f4ff;
}

.section__title {
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.section__subtitle {
    font-size: 1.125rem;
    text-align: center;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Usługi */
.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.service-card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.service-card__icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-md);
}

.service-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.service-card__text {
    color: var(--color-gray);
}

/* O nas */
.about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about__text {
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-dark);
}

.about__list {
    margin-top: var(--spacing-lg);
}

.about__item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.about__icon {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-sm);
    flex-shrink: 0;
}

.about__image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about__img {
    max-width: 100%;
    height: auto;
}

/* Jak działamy */
.process {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.process__step {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.process__number {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

.process__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.process__text {
    color: var(--color-gray);
}

/* Opinie klientów */
.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.testimonial {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.testimonial__content {
    padding: var(--spacing-lg);
    position: relative;
}

.testimonial__content::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 3rem;
    color: #e1e1e1;
    font-family: serif;
    line-height: 1;
}

.testimonial__text {
    position: relative;
    z-index: 1;
    color: var(--color-gray-dark);
}

.testimonial__author {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: #f9f9f9;
}

.testimonial__avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    margin-right: var(--spacing-md);
}

.testimonial__name {
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-dark);
}

.testimonial__location {
    font-size: 0.875rem;
    color: var(--color-gray);
}

/* Newsletter */
.newsletter {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.newsletter__content {
    flex: 1;
    min-width: 300px;
}

.newsletter__title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.newsletter__text {
    color: var(--color-gray-dark);
}

.newsletter__form {
    flex: 1;
    min-width: 300px;
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter__input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.newsletter__input:focus {
    border-color: var(--color-primary);
}

.newsletter__btn {
    white-space: nowrap;
}

/* Stopka */
.footer {
    background-color: #1c2331;
    color: #f1f1f1;
    padding-top: var(--spacing-xl);
}

.footer__top {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

.footer__logo {
    margin-bottom: var(--spacing-md);
}

.footer__desc {
    color: #a7a7a7;
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.footer__links li {
    margin-bottom: var(--spacing-sm);
}

.footer__links a {
    color: #a7a7a7;
    transition: color var(--transition-fast);
}

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

.footer__contact {
    margin-bottom: var(--spacing-md);
}

.footer__contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
    color: #a7a7a7;
}

.footer__icon {
    width: 18px;
    height: 18px;
    margin-right: var(--spacing-sm);
    flex-shrink: 0;
    filter: invert(70%);
}

.footer__social {
    display: flex;
    gap: var(--spacing-md);
}

.footer__social-link {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 36px;
    height: 36px;
    background-color: #2c3b52;
    border-radius: 50%;
    transition: background-color var(--transition-fast);
}

.footer__social-link:hover {
    background-color: var(--color-primary);
}

.footer__social-icon {
    width: 18px;
    height: 18px;
    filter: invert(100%);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-top: 1px solid #32435c;
}

.footer__copyright {
    color: #a7a7a7;
    font-size: 0.875rem;
}

.footer__legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer__legal a {
    color: #a7a7a7;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

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

/* Media Queries */
@media (max-width: 992px) {
    .banner__title {
        font-size: 2.5rem;
    }
    
    .section__title {
        font-size: 2rem;
    }
    
    .about {
        grid-template-columns: 1fr;
    }
    
    .about__image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: 0;
        background-color: var(--color-white);
        overflow: hidden;
        transition: height var(--transition-normal);
        box-shadow: var(--shadow-sm);
    }
    
    .nav.active {
        height: auto;
    }
    
    .nav__list {
        flex-direction: column;
        gap: 0;
    }
    
    .nav__item {
        width: 100%;
    }
    
    .nav__link {
        display: block;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--color-gray-light);
    }
    
    .burger {
        display: flex;
    }
    
    .banner {
        padding: 8rem 0 4rem;
    }
    
    .banner__title {
        font-size: 2rem;
    }
    
    .newsletter {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer__legal {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    .banner {
        padding: 7rem 0 3rem;
    }
    
    .banner__title {
        font-size: 1.75rem;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .section__title {
        font-size: 1.75rem;
    }
    
    .newsletter__form {
        flex-direction: column;
    }
}

/* Strona artikułów */
.article {
    padding: 2rem 0;
}

.article__header {
    margin-bottom: 2rem;
}

.article__title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.article__meta {
    display: flex;
    align-items: center;
    color: var(--color-gray);
    font-size: 0.9rem;
}

.article__date {
    margin-right: 1rem;
}

.article__author {
    margin-right: 1rem;
}

.article__content {
    line-height: 1.8;
}

.article__content p {
    margin-bottom: 1.5rem;
}

.article__content h2 {
    font-size: 1.75rem;
    margin: 2rem 0 1rem;
}

.article__content h3 {
    font-size: 1.5rem;
    margin: 1.5rem 0 1rem;
}

.article__content ul, 
.article__content ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.article__content ul {
    list-style: disc;
}

.article__content ol {
    list-style: decimal;
}

.article__content li {
    margin-bottom: 0.5rem;
}

.article__content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 1.5rem 0;
}

.article__content blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--color-gray-dark);
}

/* Blog overview */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.blog-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    background-color: var(--color-white);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.blog-card__image {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
}

.blog-card__content {
    padding: 1.5rem;
}

.blog-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.blog-card__date {
    color: var(--color-gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.blog-card__excerpt {
    color: var(--color-gray-dark);
    margin-bottom: 1.5rem;
}

.blog-card__more {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 600;
}

.blog-card__more:hover {
    color: var(--color-primary-dark);
}

/* Formularz kontaktowy */
.contact-form {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-dark);
    outline: none;
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    border-color: var(--color-primary);
}

.form-control--textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-info {
    background-color: var(--color-light);
    border-radius: var(--radius-md);
    padding: 2rem;
}

.contact-info__item {
    display: flex;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.contact-info__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    margin-right: 1rem;
}

.contact-info__text h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.contact-info__text p {
    color: var(--color-gray-dark);
}

.contact-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .contact-section {
        grid-template-columns: 1fr;
    }
}

/* Strona podziękowania */
.thanks-page {
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 4rem 1rem;
}

.thanks-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 2rem;
}

.thanks-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-dark);
}

.thanks-text {
    font-size: 1.25rem;
    color: var(--color-gray-dark);
    margin-bottom: 2rem;
    max-width: 600px;
}

.thanks-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* Page Header */
.page-header {
    background-color: var(--color-light);
    padding: 8rem 0 4rem;
    text-align: center;
    margin-bottom: 2rem;
}

.page-header__title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-header__text {
    font-size: 1.25rem;
    color: var(--color-gray-dark);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Legal Pages */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.legal-content h2 {
    font-size: 1.75rem;
    margin: 2rem 0 1rem;
}

.legal-content h3 {
    font-size: 1.25rem;
    margin: 1.5rem 0 1rem;
}

.legal-content p {
    margin-bottom: 1rem;
}

.legal-content ul {
    list-style: disc;
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
}

.legal-date {
    margin-top: 3rem;
    font-style: italic;
    color: var(--color-gray);
}