* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
		font-family: "Inter";
}

html {
    scroll-behavior: smooth;
}

body {
    background: #000;
    color: #111;
		font-family: "Inter";
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

.container {
    width: min(1520px, calc(100% - 80px));
    margin-inline: auto;
}

/* =========================================================
   HEADER
========================================================= */

.site-header {
    width: 100%;
    height: 80px;
    padding: 0;
    background: #050b0e;
}

.header-inner {
    width: 100%;
    max-width: 1545px;
    height: 80px;
    margin: 0 auto;

    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* =========================================================
   LOGO
========================================================= */

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo img {
    display: block;
    width: auto;
    height: 60px;
}

/* =========================================================
   RIGHT SIDE
========================================================= */

.nav-wrapper {
    display: flex;
    align-items: center;
    gap: 32px;
}

/* =========================================================
   NAV
========================================================= */

.nav {
    display: flex;
    align-items: center;
    gap: 11px;
    white-space: nowrap;
}

.nav a {
    color: #fff;
    font-size: 11px;
    line-height: 1;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
}

.nav a:hover {
    cursor: pointer;
}

.nav span {
    color: #fff;
    font-size: 11px;
    line-height: 1;
    font-weight: 700;
    opacity: .9;
}

/* =========================================================
   HEADER ACTIONS
========================================================= */

.header-actions {
    display: flex;
    align-items: center;
    gap: 31px;
}

/* =========================================================
   LANGUAGE
========================================================= */

.icon-lang,
.icon-lang2 {
    display: block;
    width: 23px;
    height: 14px;

    flex-shrink: 0;

    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;

    transition: opacity .2s ease;
}

.icon-lang {
    background-image: url("en.svg");
}

.icon-lang2 {
    background-image: url("pl.svg");
}

/* =========================================================
   LINKEDIN
========================================================= */

.icon-linkedin {
    display: block;

    width: 30px;
    height: 30px;

    flex-shrink: 0;

    padding: 0;
    margin: 0;

    background-image: url("Lin-icon-1.webp");
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;

    transition: opacity .2s ease;
}


/* =========================================================
   HERO
========================================================= */

.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: #030a0d;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;

    background-image:
        linear-gradient(
            90deg,
            rgba(3, 10, 13, .90) 0%,
            rgba(3, 10, 13, .78) 28%,
            rgba(3, 10, 13, .42) 62%,
            rgba(3, 10, 13, .15) 100%
        ),
        url("d-san-hero.webp");

    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
}

.hero-content {
    position: relative;
    z-index: 2;

    display: flex;
    flex-direction: column;
    align-items: flex-start;

    padding-top: 50px;
    padding-bottom: 60px;
}

.hero h1 {
    margin-bottom: 25px;

    color: #fff;

    font-family: Arial, Helvetica, sans-serif;
    font-size: clamp(48px, 5vw, 74px);
    font-weight: 900;
    line-height: .98;

    letter-spacing: -2px;
    text-transform: uppercase;
}

.hero p {
    max-width: 480px;
    margin-bottom: 40px;

    color: #b0b5b8;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    font-weight: 400;
    line-height: 1.6;
}

.button {
    display: inline-flex;
    align-items: center;
    gap: 12px;

    padding: 18px 35px;

    background: #e30613;
    color: #fff;

    font-size: 11px;
    font-weight: 900;
    letter-spacing: 1.5px;
    text-transform: uppercase;

    transition: transform 1s ease, box-shadow 0.3s ease;
}

.button:hover {
    box-shadow: 0px 0px 20px 5px rgba(139, 0, 0, 0.6);
    -webkit-box-shadow: 0px 0px 20px 5px rgba(139, 0, 0, 0.6);
    transform: translateY(-5px); 
}

.button:hover::after {
    transform: translateX(4px);
}


/* =========================================================
   SHARED LABEL
========================================================= */

.about-label {
    margin-bottom: 24px;
    font-weight: 700; 
    color: #e60012;
    text-transform: uppercase; 
    font-size: 14px; 
}

.about-label span {
    margin-right: 4px;
}


/* =========================================================
   ABOUT
========================================================= */

.about {
    width: 100%;
    padding: 100px 0;
    background: #fff;
}

.about-grid {
    display: grid;
    grid-template-columns:
        minmax(0, 1fr)
        minmax(500px, 1fr);

    gap: 80px;
    align-items: start;
}

.about-left h2 {
    margin: 0 0 30px;

    color: #050505;

    font-family: "Inter";
    font-size: 38px;
    font-weight: 800;
    line-height: 1;
}

.about-content {
    max-width: 720px;
}

.about-content p {
    margin: 0;

    color: #1c1c1c;

    font-family: "Inter";
    font-size: 16px;
    line-height: 1.45;
}

.about-intro {
    margin-bottom: 38px !important;
    font-size: 17px !important;
}

.about-intro strong {
    font-weight: 700;
}

.about-box {
    position: relative;

    margin-bottom: 20px;
    padding: 12px 20px 12px 23px;

    border-left: 3px solid #ff0000;
}

.about-box:last-child {
    margin-bottom: 0;
}

.about-right {
    width: 100%;
}

.about-image {
    width: 100%;
    aspect-ratio: 1.48 / 1;

    overflow: hidden;
    background: #eee;
}

.about-image img {
    width: 100%;
    height: 100%;

    object-fit: cover;

    box-shadow:
        box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.5);
}


/* =========================================================
   SYSTEMS
========================================================= */

.systems {
    width: 100%;
    padding: 100px 0;

    background: #000;
    color: #fff;
}

.systems-heading {
    position: relative;

    padding-left: 16px;
    margin-bottom: 44px;

    border-left: 2px solid #ff0000;
}

.systems-heading .about-label {
    margin-bottom: 14px;
}

.systems-heading h2 {
    margin: 0;

    color: #fff;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 32px;
    font-weight: 800;
    line-height: 1;

    letter-spacing: -1px;
    text-transform: uppercase;
}

.systems-grid {
    display: grid;

    grid-template-columns: repeat(3, minmax(0, 1fr));

    gap: 15px;
}

.system-card {
    display: flex;
    flex-direction: column;

    min-width: 0;

    border: 1px solid #282828;
    background: #000;

    transition:
        border-color .25s ease,
        background-color .25s ease;
}

.system-card:hover {
    border-color: #444;
    background: #1f1e1e;
}

.system-image {
    width: calc(100% - 46px);
    height: 220px;

    margin: 21px 23px 0;

    overflow: hidden;
    background: #111;
}

.system-image img {
    width: 100%;
    height: 100%;

    object-fit: cover;

    transition: transform .4s ease;
}

.system-card:hover .system-image img {
    transform: scale(1.03);
}

.system-content {
    flex: 1;
    padding: 20px 30px 40px;
}

.system-content h3 {
    margin-bottom: 10px;

    color: #fff;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.15;

    text-transform: uppercase;
}

.system-content p {
    margin: 0;

    color: #777;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    line-height: 1.48;
}


/* =========================================================
   NEWS
========================================================= */

.news {
    width: 100%;
    padding: 100px 0;

    background: #fff;
    color: #000;
}

.news-heading {
    padding-left: 20px;
    margin-bottom: 60px;

    border-left: 3px solid #ff0000;
}

.news-heading .about-label {
    margin-bottom: 24px;
}

.news-heading h2 {
    margin: 0;

    color: #050505;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 44px;
    font-weight: 800;
    line-height: 1;

    letter-spacing: -1.5px;
    text-transform: uppercase;
}

.news-grid {
    display: grid;

    grid-template-columns: repeat(3, minmax(0, 1fr));

    gap: 20px;
}

.news-card {
    min-height: 224px;

    padding: 52px 30px;

    border: 1px solid #dedede;
    background: #fff;

    display: flex;
    align-items: center;
}

.news-card p {
    margin: 0;

    color: #333333;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}


/* =========================================================
   CONTACT
========================================================= */

.contact {
    width: 100%;
    min-height: 536px;

    padding: 99px 0 70px;

    background: #000;
    color: #81909e;
}

.contact-heading {
    position: relative;

    padding-left: 21px;

    border-left: 2px solid #ed0029;
}

.contact-heading .about-label {
    margin-bottom: 22px;
}

.contact-heading h2 {
    margin: 0;

    color: #f5f5f5;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 44px;
    font-weight: 800;
    line-height: 1;

    letter-spacing: -1.5px;
    text-transform: uppercase;
}

.contact-grid {
    display: grid;

    grid-template-columns:
        repeat(5, minmax(0, 1fr));

    gap: 55px;

    margin-top: 108px;
}

.contact-block {
    min-width: 0;
}

.contact-label {
    display: block;

    margin-bottom: 24px;

    color: #e60012;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
    font-weight: 700;
    line-height: 1.2;

    text-transform: uppercase;
}

.contact-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;

    color: #81909e;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 13px;
    line-height: 19px;
}

.contact-content strong {
    display: block;

    color: #81909e;

    font-size: 13px;
    font-weight: 500;
    line-height: 19px;
}

.contact-content p {
    margin: 0;
}

.contact-content a {
    display: block;
    color: #81909e;
    transition: color .2s ease;
}

.contact-content a:hover {
    color: #fff;
}


/* =========================================================
   FOOTER
========================================================= */

.footer {
    width: 100%;
    background: #000;
    color: #81909e;
}

.footer-inner {
    width: 100%;
    padding: 0;

    display: flex;
    flex-direction: column;
    align-items: center;
}


/* =========================
   INFORMACJA KRD
========================= */

.footer-inner > p {
    width: 100%;

    margin: 0;
    padding: 35px 20px 20px;

    color: #81909e;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 11px;
    font-weight: 400;
    line-height: 16px;

    text-align: center;
    text-transform: uppercase;

    border-top: 1px solid #1b1b1b;
}


/* =========================
   LINK KRD
========================= */

.footer-link {
    display: block;

    margin: 0;
    padding: 0 20px 32px;

    color: #81909e;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 11px;
    font-weight: 400;
    line-height: 16px;

    text-align: center;
    text-transform: uppercase;

    transition: color .2s ease;
}

.footer-link:hover {
    color: #fff;
}


/* =========================
   DOLNA CZĘŚĆ STOPKI
========================= */

.footer-bottom {
    width: 100%;

    min-height: 124px;

    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;

    padding: 0 0;

    border-top: 1px solid #1b1b1b;

    color: #81909e;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 10px;
    font-weight: 400;
    line-height: 1;

    letter-spacing: 1px;
    text-transform: uppercase;
}


/* LEWA */

.footer-bottom span:first-child {
    justify-self: start;
    margin-left: 10%;
}


/* ŚRODEK */

.footer-bottom span:nth-child(2) {
    justify-self: center;
}


/* PRAWA */

.footer-bottom span:last-child {
    justify-self: end;
    margin-right: 10%;
}



/* =========================
   TABLET / LAPTOP
========================= */

@media (max-width: 1200px) {

    .container {
        width: calc(100% - 50px);
    }

    /* HEADER */

    .nav-wrapper {
        gap: 25px;
    }

    .nav {
        gap: 8px;
    }

    .nav a,
    .nav span {
        font-size: 10px;
        letter-spacing: 1.5px;
    }

    .header-actions {
        gap: 15px;
    }


    /* HERO */

    .hero {
        min-height: 700px;
    }

    .hero h1 {
        font-size: clamp(48px, 6vw, 68px);
    }


    /* ABOUT */

    .about-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .about-content {
        max-width: 100%;
    }

    .about-right {
        max-width: 900px;
    }


    /* SYSTEMS */

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


    /* CONTACT */

    .contact-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 50px 30px;
        margin-top: 80px;
    }
}


/* =========================
   TABLET
========================= */

@media (max-width: 900px) {

    .container {
        width: calc(100% - 40px);
    }


    /* HEADER */

    .logo img {
        height: 50px;
    }

    .nav-wrapper {
        gap: 20px;
    }

    .nav {
        gap: 7px;
    }

    .nav a,
    .nav span {
        font-size: 9px;
        letter-spacing: 1px;
    }

    .header-actions {
        gap: 12px;
    }


    /* HERO */

    .hero {
        min-height: 650px;
    }

    .hero-background {
        background-position: center center;
    }

    .hero h1 {
        font-size: clamp(44px, 7vw, 62px);
    }


    /* NEWS */

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


    /* CONTACT */

    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 50px 30px;
    }
}


/* =========================
   MOBILE
========================= */

@media (max-width: 768px) {

    .container {
        width: calc(100% - 36px);
    }


    /* HEADER */

    .site-header {
        padding: 14px 0;
    }

    .header-inner {
        min-height: 40px;
    }

    .logo img {
        height: 38px;
    }

    .nav {
        display: none;
    }

    .nav-wrapper {
        gap: 0;
    }

    .header-actions {
        gap: 15px;
    }

    .icon-linkedin {
        width: 26px;
        height: 26px;
        padding-left: 0;
    }


    /* HERO */

    .hero {
        min-height: 650px;
    }

    .hero-background {
        background-image:
            linear-gradient(
                90deg,
                rgba(3, 10, 13, .93) 0%,
                rgba(3, 10, 13, .72) 55%,
                rgba(3, 10, 13, .35) 100%
            ),
            url("d-san-hero.webp");

        background-position: 62% center;
        background-size: cover;
        background-repeat: no-repeat;
    }

    .hero-content {
        padding-top: 30px;
        padding-bottom: 40px;
    }

    .hero h1 {
        max-width: 100%;
        margin-bottom: 22px;
        font-size: clamp(43px, 12vw, 62px);
        line-height: .96;
        letter-spacing: -1.5px;
    }

    .hero p {
        max-width: 440px;
        margin-bottom: 30px;
        font-size: 14px;
        line-height: 1.55;
    }

    .button {
        padding: 16px 25px;
    }


    /* GENERAL SECTIONS */

    .about,
    .systems,
    .news {
        padding: 70px 0;
    }


    /* ABOUT */

    .about-grid {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .about-left h2 {
        margin-bottom: 25px;
        font-size: 34px;
    }

    .about-content {
        max-width: 100%;
    }

    .about-content p {
        font-size: 15px;
        line-height: 1.5;
    }

    .about-intro {
        font-size: 16px !important;
        margin-bottom: 32px !important;
    }

    .about-box {
        padding-left: 17px;
    }

    .about-image {
        aspect-ratio: 1.35 / 1;
    }


    /* SYSTEMS */

    .systems-heading {
        padding-left: 14px;
        margin-bottom: 35px;
    }

    .systems-heading h2 {
        font-size: 29px;
    }

    .systems-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .system-image {
        width: calc(100% - 32px);
        height: 240px;
        margin: 16px;
    }

    .system-content {
        padding: 18px 16px 22px;
    }


    /* NEWS */

    .news-heading {
        padding-left: 17px;
        margin-bottom: 40px;
    }

    .news-heading h2 {
        font-size: 38px;
    }

    .news-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .news-card {
        min-height: auto;
        padding: 35px 25px;
    }


    /* CONTACT */

    .contact {
        min-height: auto;
        padding: 70px 0 50px;
    }

    .contact-heading {
        padding-left: 17px;
    }

    .contact-heading h2 {
        font-size: 38px;
    }

    .contact-grid {
        grid-template-columns: 1fr 1fr;
        gap: 45px 25px;
        margin-top: 65px;
    }


    /* FOOTER */

    .footer-inner > p {
        padding: 25px 10px;
    }

    .footer-bottom {
        min-height: 90px;
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 25px 0;
        text-align: center;
    }

    .footer-bottom span:first-child,
    .footer-bottom span:nth-child(2),
    .footer-bottom span:last-child {
        justify-self: center;
    }
}


/* =========================
   SMALL MOBILE
========================= */

@media (max-width: 480px) {

    .container {
        width: calc(100% - 30px);
    }


    /* HEADER */

    .site-header {
        padding: 12px 0;
    }

    .logo img {
        height: 34px;
    }

    .header-actions {
        gap: 10px;
    }

    .icon-lang,
    .icon-lang2 {
        width: 21px;
        height: 13px;
    }

    .icon-linkedin {
        width: 24px;
        height: 24px;
    }


    /* HERO */

    .hero {
        min-height: 620px;
    }

    .hero-background {
        background-position: 65% center;
    }

    .hero h1 {
        font-size: 43px;
        line-height: .96;
    }

    .hero p {
        font-size: 13px;
        line-height: 1.55;
    }

    .button {
        padding: 15px 22px;
        font-size: 10px;
    }


    /* SECTIONS */

    .about,
    .systems,
    .news {
        padding: 60px 0;
    }


    /* ABOUT */

    .about-label {
        margin-bottom: 18px;
        font-size: 11px;
    }

    .about-left h2 {
        font-size: 32px;
    }

    .about-box {
        padding-left: 15px;
    }


    /* SYSTEMS */

    .system-image {
        height: 210px;
    }


    /* NEWS */

    .news-heading {
        margin-bottom: 35px;
    }

    .news-heading h2 {
        font-size: 34px;
    }

    .news-card {
        padding: 30px 20px;
    }


    /* CONTACT */

    .contact {
        padding: 60px 0 45px;
    }

    .contact-heading h2 {
        font-size: 35px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 35px;
        margin-top: 55px;
    }


    /* FOOTER */

    .footer-inner > p {
        font-size: 10px;
        line-height: 15px;
    }
}


/* =========================
   VERY SMALL PHONES
========================= */

@media (max-width: 360px) {

    .container {
        width: calc(100% - 24px);
    }

    .logo img {
        height: 30px;
    }

    .header-actions {
        gap: 8px;
    }

    .hero {
        min-height: 590px;
    }

    .hero h1 {
        font-size: 38px;
    }

    .hero p {
        font-size: 12px;
    }

    .button {
        width: 100%;
        justify-content: center;
    }

    .about-left h2 {
        font-size: 29px;
    }

    .systems-heading h2 {
        font-size: 26px;
    }

    .news-heading h2 {
        font-size: 32px;
    }

    .contact-heading h2 {
        font-size: 31px;
    }
}