/* =========================================
   @FONT-FACE  — Lato (local)
   ========================================= */
@font-face {
    font-family: "Lato";
    src: url("fonts/Lato-Thin.ttf") format("truetype");
    font-weight: 100;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Lato";
    src: url("fonts/Lato-ThinItalic.ttf") format("truetype");
    font-weight: 100;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: "Lato";
    src: url("fonts/Lato-Light.ttf") format("truetype");
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Lato";
    src: url("fonts/Lato-LightItalic.ttf") format("truetype");
    font-weight: 300;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: "Lato";
    src: url("fonts/Lato-Regular.ttf") format("truetype");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Lato";
    src: url("fonts/Lato-Italic.ttf") format("truetype");
    font-weight: 400;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: "Lato";
    src: url("fonts/Lato-Bold.ttf") format("truetype");
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Lato";
    src: url("fonts/Lato-BoldItalic.ttf") format("truetype");
    font-weight: 700;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: "Lato";
    src: url("fonts/Lato-Black.ttf") format("truetype");
    font-weight: 900;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Lato";
    src: url("fonts/Lato-BlackItalic.ttf") format("truetype");
    font-weight: 900;
    font-style: italic;
    font-display: swap;
}

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

:root {
    /* -- Colors -- */
    --color-primary: #fae009;
    --color-primary-dark: #d1ba05;
    --color-secondary: #323232;
    --color-secondary-light: #3f3f3e;
    --color-text: #46525e;

    --site-gutters: 20px;
    --site-max-width: 1060px;

    /* -- Typography -- */
    --font-family: "Lato", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media screen and (max-width: 768px) {
    :root {
        --site-gutters: 16px;
    }
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

h3 {
    font-size: 21px;
    font-weight: bold;
}

h5 {
    font-size: 18px;
    font-weight: 600;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--site-max-width);
    margin-inline: auto;
}

header {
    background-color: var(--color-primary);
    padding-inline: var(--site-gutters);
    padding-block-start: 0;
    padding-block-end: calc(var(--site-gutters) * 2);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    height: 21.9vw;
    min-height: 295px;
}

.header__logo {
    width: 98%;
    height: 90px;
    margin-inline: auto;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.page-heading {
    max-width: calc(var(--site-max-width) - (var(--site-gutters) * 2));
    width: 100%;
    margin-inline: auto;
    font-size: 46px;
    padding-top: 64px;
}

.text-white {
    color: white;
}

.first-part {
    display: block;
    line-height: 1.23;
    margin-block-end: 8px;
    text-transform: uppercase;
}

.second-part {
    display: block;
    line-height: 1.2;
    font-size: 76%;
}

.downloads-section {
    display: flex;
    flex-direction: column;
    gap: 48px;
    padding-block: 96px;
    padding-inline: var(--site-gutters);
}

.file-container {
    display: flex;
    gap: 20px;
    align-items: stretch;
    width: 100%;
}

.file-img-mobile-container {
    flex-shrink: 0;
}

.file-img {
    height: 48px;
}

.file-info-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    justify-content: space-between;
    width: 100%;
}

.file-info-mobile-container {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.file-info-inner-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-grow: 1;
}

.file-title {
    font-size: 32px;
    font-weight: bold;
}

.download-link {
    display: flex;
    justify-content: end;
    padding-block: 8px;
    padding-inline: 16px;
    background-color: var(--color-primary);
    font-weight: 600;
}

.download-link:hover {
    text-decoration: underline;
}

footer {
    background-color: var(--color-secondary-light);
    color: white;
}

.footer-upper .container {
    padding-inline: var(--site-gutters);
    padding-block: 72px;
    display: flex;
    flex-direction: column;
    gap: var(--site-gutters);
}

.footer-lower {
    border-top: #272727 1px solid;
}

.footer-lower .container {
    padding: var(--site-gutters);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.footer-copyright {
    background-color: var(--color-secondary);
}

.footer-copyright .container {
    padding: var(--site-gutters);
    display: flex;
}

.footer-heading-mobile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.address-icon-mobile, .phone-icon-mobile, .mail-icon-mobile {
    display: none;
}

address {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    font-style: normal;
}

.footer__info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.address-container, .phone, .mail {
    display: flex;
    align-items: flex-start;
    gap: 24px;
}

address .footer-heading-mobile {
    margin-block-end: 12px;
}

address h5 {
    margin-block-start: 12px;
}

.address-container img {
    margin-block-start: 6px;
}

.phone img, .mail img {
    margin-block-start: 4px;
}

.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 0.8rem;
    background: var(--color-primary);
    color: var(--color-text);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.3s ease,
    background-color 0.3s ease,
    visibility 0.3s ease,
    transform 0.3s ease;
}

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

.back-to-top:hover {
    background: var(--color-primary-dark);
}

@media screen and (max-width: 768px) {

    header {
        height: 50vw;
    }

    .header__logo {
        width: 100%;
        height: 60px;
    }

    .page-heading {
        font-size: 32px;
    }

    .footer-upper .container, .footer__info, address {
        align-items: center;
        text-align: center;
    }

    .address-icon-mobile, .phone-icon-mobile, .mail-icon-mobile {
        display: block !important;
    }

    .address-icon-desktop, .phone-icon-desktop, .mail-icon-desktop {
        display: none;
    }

    .address-container img, .phone img, .mail img {
        margin-block-start: 0;
    }

    .downloads-section {
        gap: 64px;
        padding-block: 48px;
    }

    .file-container {
        flex-direction: column;
    }

    .file-info-inner-container {
        gap: 6px;
    }

    .file-img {
        margin-block-start: 7px;
    }

    .file-title {
        font-size: 24px;
        line-height: 1.2;
    }

    .footer-copyright .container {
        justify-content: center;
        text-align: center;
    }
}