/* Сброс стилей */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
}

body, h1, h2, h3, h4, p, ul, ol, li,
figure, blockquote, dl, dd {
  margin: 0;
}

ul, ol {
  list-style: none;
}

img, picture, video, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, textarea, select, button {
  font: inherit;
}

/* Основная часть */
@font-face {
    font-family: 'PT Astra Sans';
    src: url(/fonts/PT-Astra-Sans_Regular.ttf) format("truetype");
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'PT Astra Sans';
    src: url(/fonts/PT-Astra-Sans_Bold.ttf) format("truetype");
    font-weight: bold;
    font-style:normal;
}

@font-face {
    font-family: 'PT Astra Sans';
    src: url(/fonts/PT-Astra-Sans_Italic.ttf) format("truetype");
    font-weight: normal;
    font-style: italic;
}

@font-face {
    font-family: 'PT Astra Sans';
    src: url(/fonts/PT-Astra-Sans_Bold-Italic.ttf) format("truetype");
    font-weight: bold;
    font-style:italic;
}

@font-face {
    font-family: 'PT Astra Serif';
    src: url(/fonts/PT-Astra-Serif_Regular.ttf) format("truetype");
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'PT Astra Serif';
    src: url(/fonts/PT-Astra-Serif_Bold.ttf) format("truetype");
    font-weight: bold;
    font-style: normal;
}

@font-face {
    font-family: 'PT Astra Serif';
    src: url(/fonts/PT-Astra-Serif_Italic.ttf) format("truetype");
    font-weight: normal;
    font-style: italic;
}

@font-face {
    font-family: 'PT Astra Serif';
    src: url(/fonts/PT-Astra-Serif_Bold-Italic.ttf) format("truetype");
    font-weight: bold;
    font-style: italic;
}

@font-face {
    font-family: 'JetBrains Mono';
    src: url(/fonts/JetBrainsMono-Regular.woff2) format("woff2");
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

:root{
    --white: #ffffff;
    --black: #000000;
    --link-blue: #5896FF;
    --link-underline: rgba(88, 150, 255, 0.5);
    --link-red: #FF585B;
    --code-green: #6CFA6E;
    --gray: #606060;
    font-size: 1em;
    line-height: 1.2;
}

body{
    background-color: var(--black);
    color: var(--white);
    font-family: PT Astra Sans, Helvetica Neue, Helvetica, Arial, sans-serif;;

    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

main{
    flex: 1;
}

.layout-container{
    width: min(1400px, 100% - 40px);
    margin-inline: auto;
}

@media (width > 960px) {
    .layout-container{
        width: min(1400px, 100% - 80px);
    }
}

.edge-to-edge{
    margin-inline: calc(50% - 50vw);
}

h1, h2, h3, p{
    font-family: PT Astra Serif, 'Times New Roman', Times, serif;
    max-width: 900px;
}

p{
    font-size: 1.25rem;
}

h1{
    font-size: 4rem;
    line-height: 1;
    font-weight: 400;
}

@media (width < 700px) {
    h1{
        font-size: 2rem;
    }
}

h2{
    font-size: 2.25rem;
    line-height: 1;
    font-weight: 400;
}

h3{ 
    font-size: 1rem;
    font-weight: bold;
}

a{
    color: var(--link-blue);
    text-decoration-thickness: 1px;
    text-underline-offset: .175em;
    text-decoration-color: var(--link-underline);
    text-decoration-skip: none;
    text-decoration-skip-ink: none;
}

a:hover{
    color: var(--link-red);
    text-decoration-color: var(--link-red);
}

code{
    font-family: "JetBrains Mono", monospace;
    font-weight: 400;
    font-style: normal;
    color: var(--code-green);
}

.lead{
    font-family: PT Astra Sans, 'Arial', 'Helvetica', sans-serif;
    font-size: 1.5rem;
    line-height: 1.2;
}

.caption{
    font-family: PT Astra Sans, Helvetica Neue, Helvetica, Arial, sans-serif;;
    max-width: 1040px;
    font-size: 1rem
}

/* Отступы по правилу внутреннего и внешнего.
   Сначала значение по умолчанию для любого соседа, ниже — исключения. */

article > * + p{
    margin-top: .825rem;
}

article > * + h2{
    margin-top: 1.25rem;
}

article > h2 + p{
    margin-top: .5rem;
}

article > * + h3{
    margin-top: 1.75rem;
}

article > h3 + p{
    margin-top: 0;
}

article ul,
article ol{
    list-style: none outside;
    margin-left: 2rem;
    padding-left: 0;
}

article li + li{
    margin-top: .4rem;
}

/* Заголовочный блок */

article > .label-nav + h1{
    margin-top: 1.25rem;
}

article > h1 + p{
    margin-top: 1.875rem;
}

/* Иллюстрации */

article > * + img,
article > * + video,
article > * + .small-image-group{
    margin-top: 2.5rem;
}

article > img + p,
article > video + p,
article > .small-image-group + p{
    margin-top: 3.75rem;
}

article > img + .caption,
article > video + .caption,
article > .small-image-group + .caption{
    margin-top: 10px;
}

article img{
    width: 100%;
}

header{
    height: 150px;
    display: flex;
    flex-direction: row;
    align-items: center;
}

header img{
    height: 88px;
}

.welcome-text{
    margin-top: 20px;
    max-width: 900px;
    font-family: PT Astra Sans;
    font-size: 2rem;
    line-height: 1.2;
}

footer{
    height: 120px;
    margin-top: 200px;
    gap: 15px;

    display: grid;
    grid-template-columns: repeat(6, auto) 1fr auto;

    align-items: center;
}
footer .caption{
    grid-column: 8;
}

.social{
    width: 30px;
    aspect-ratio: 1/1;
}

.projects{
    margin-top: 60px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 80px 40px;
    grid-auto-rows: minmax(200px, auto);
}

@supports (display: grid-lanes) {
    .projects{
        display: grid-lanes;
        grid-auto-rows: auto;
    }
}
@media (width < 1000px) {
    .projects{
        grid-template-columns: repeat(3, 1fr);
    }
}
@media (width < 700px) {
    .projects{
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (width < 400px) {
    .projects{
        grid-template-columns: 1fr;
    }
}

.project{
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.project-big{
    grid-column: span 2;
}
@media (width < 400px) {
    .project-big{
        grid-column: auto;
        grid-row: auto;
    }
}
.label-nav{
    display: flex;
    flex-direction: row;
    align-items: baseline;
    gap: 0.5em;
}

.label-nav [aria-current]{
    color: var(--white);
    text-decoration-color: var(--white);
}

.small-image-group{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

@media (width < 960px) {
    .small-image-group{
        grid-template-columns: 1fr;
    }
}

/* Полноэкранный фон под всем содержимым */
.noise{
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}