@font-face {
  font-family: Satoshi;
  src: url("../../fonts/satoshi-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: Satoshi;
  src: url("../../fonts/satoshi-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: Satoshi;
  src: url("../../fonts/satoshi-700.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: JetBrains;
  src: url("../../fonts/jetbrains-mono.woff2") format("woff2");
  font-weight: 400 600;
  font-display: swap;
}

:root {
  --navy: #001330;
  --gold: #c6a15b;
  --gold-deep: #7e5f1a;
  --paper: #fbfaf7;
  --mineral: #f3f0e9;
  --white: #fff;
  --ink: #0c172a;
  --muted: #53657a;
  --muted-dark: #b8c7d9;
  --line: #cbd6e4;
  --shell: 1380px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  scroll-padding-top: 78px;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Satoshi, Arial, sans-serif;
  line-height: 1.5;
}

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

a {
  color: inherit;
}

a:focus-visible {
  outline: 3px solid #8cb4ff;
  outline-offset: 3px;
}

.shell {
  width: min(calc(100% - 64px), var(--shell));
  margin-inline: auto;
}

.skip {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  color: #fff;
  background: var(--navy);
  transform: translateY(-160%);
}

.skip:focus {
  transform: none;
}

.social-header {
  position: sticky;
  z-index: 40;
  top: 0;
  display: grid;
  min-height: 76px;
  align-items: center;
  gap: 30px;
  padding: 0 max(32px, calc((100vw - var(--shell)) / 2));
  border-bottom: 1px solid var(--line);
  grid-template-columns: 230px 1fr auto;
  background: rgba(251, 250, 247, 0.96);
  backdrop-filter: blur(16px);
}

.social-header a {
  text-decoration: none;
  font-weight: 700;
}

.social-header__brand {
  color: var(--navy);
}

.social-header nav {
  display: flex;
  justify-content: center;
  gap: 28px;
}

.social-header nav a {
  font-size: 12px;
}

.social-header__cta {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 17px;
  color: #fff;
  background: var(--navy);
  font-size: 12px;
}

.social-hero {
  padding: 110px 0 0;
  background: var(--paper);
}

.eyebrow,
figcaption span,
.mark-rule strong {
  color: var(--gold-deep);
  font:
    600 10px JetBrains,
    monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow {
  display: block;
  margin-bottom: 22px;
}

.eyebrow--light,
.section-head--dark .eyebrow {
  color: var(--gold);
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 1120px;
  margin: 0;
  color: var(--navy);
  font-size: clamp(76px, 9vw, 132px);
  font-weight: 500;
  line-height: 0.88;
  letter-spacing: -0.075em;
}

.social-hero__copy > p {
  max-width: 760px;
  margin: 42px 0 0;
  color: var(--muted);
  font-size: 21px;
}

.social-hero__rail {
  display: grid;
  margin-top: 90px;
  border-top: 1px solid var(--navy);
  border-bottom: 1px solid var(--line);
  grid-template-columns: repeat(4, 1fr);
}

.social-hero__rail span {
  padding: 22px 32px;
  border-right: 1px solid var(--line);
  color: var(--gold-deep);
  font:
    600 10px JetBrains,
    monospace;
  text-transform: uppercase;
}

.platform-marks,
.backgrounds,
.covers,
.usage,
.downloads {
  padding: 120px 0;
}

.section-head {
  display: grid;
  align-items: end;
  gap: 60px;
  grid-template-columns: 1fr 0.7fr;
}

.section-head .eyebrow {
  margin-bottom: -30px;
  grid-column: 1 / -1;
}

h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(56px, 7vw, 96px);
  font-weight: 500;
  line-height: 0.92;
  letter-spacing: -0.068em;
}

.section-head > p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.marks-grid {
  display: grid;
  margin-top: 70px;
  border-top: 1px solid var(--navy);
  border-left: 1px solid var(--line);
  grid-template-columns: repeat(5, 1fr);
}

.marks-grid :is(a, .platform-mark) {
  display: grid;
  min-height: 230px;
  align-content: space-between;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.marks-grid img {
  width: 46px;
  height: 46px;
}

.marks-grid span {
  color: var(--navy);
  font-size: 24px;
  font-weight: 500;
}

.platform-mark {
  cursor: default;
}

.mark-rule {
  display: grid;
  border-bottom: 1px solid var(--line);
  grid-template-columns: auto 1fr auto 1fr;
}

.mark-rule > * {
  padding: 18px 22px;
  border-right: 1px solid var(--line);
}

.mark-rule span {
  color: var(--muted);
  font-size: 13px;
}

.icon-strip-dark {
  display: grid;
  min-height: 116px;
  align-items: center;
  gap: 30px;
  padding: 22px 28px;
  grid-template-columns: 180px 1fr auto;
  color: #fff;
  background: var(--navy);
}

.icon-strip-dark > span,
.icon-strip-dark > small {
  color: var(--muted-dark);
  font:
    600 10px JetBrains,
    monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.icon-strip-dark > div {
  display: flex;
  align-items: center;
  gap: 32px;
}

.icon-strip-dark img {
  width: 28px;
  height: 28px;
  filter: invert(1);
}

.backgrounds,
.usage,
.downloads {
  color: #fff;
  background: var(--navy);
}

.section-head--dark h2,
.usage h2,
.downloads h2 {
  color: #fff;
}

.section-head--dark > p {
  color: var(--muted-dark);
}

.background-grid {
  display: grid;
  gap: 20px;
  margin-top: 70px;
  grid-template-columns: repeat(2, 1fr);
}

.background-grid figure,
.cover-grid figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: #fff;
}

.background-grid figure > img {
  width: 100%;
}

.background-grid__wide {
  grid-column: 1 / -1;
}

.background-grid__portrait {
  max-width: calc(50% - 10px);
}

.background-grid figcaption,
.cover-grid figcaption {
  padding: 17px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--muted-dark);
  background: var(--navy);
}

.background-grid figcaption strong,
.cover-grid figcaption strong {
  float: right;
  color: #fff;
  font-size: 12px;
}

.covers {
  background: var(--mineral);
}

.cover-grid {
  display: grid;
  gap: 20px;
  margin-top: 70px;
  grid-template-columns: 360px 1fr;
}

.cover-grid figure {
  border-color: var(--line);
}

.cover-grid__avatar {
  grid-row: span 2;
}

.cover-grid__avatar > img {
  width: 100%;
  aspect-ratio: 1;
}

.cover-grid__x > img,
.cover-grid__linkedin > img {
  width: 100%;
}

.cover-grid__linkedin > img {
  aspect-ratio: 6 / 1;
  object-fit: cover;
}

.profile-preview {
  position: relative;
  padding-bottom: 72px;
  background: #fff;
}

.profile-preview__cover {
  width: 100%;
}

.profile-preview__avatar {
  position: absolute;
  bottom: 27px;
  left: 28px;
  width: 92px;
  height: 92px;
  border: 5px solid #fff;
  border-radius: 50%;
}

.profile-preview > div {
  position: absolute;
  bottom: 17px;
  left: 138px;
}

.profile-preview > div strong,
.profile-preview > div span {
  display: block;
}

.profile-preview > div strong {
  color: var(--navy);
  font-size: 17px;
}

.profile-preview > div span {
  color: var(--muted);
  font-size: 11px;
}

.profile-preview--linkedin .profile-preview__avatar {
  border-radius: 6px;
}

.cover-grid__mobile {
  max-width: 460px;
  grid-column: 2;
}

.mobile-crop {
  position: relative;
  padding-bottom: 62px;
  background: #fff;
}

.mobile-crop > img:first-child {
  width: 100%;
  height: 150px;
  object-fit: cover;
  object-position: center;
}

.mobile-crop > img:last-child {
  position: absolute;
  bottom: 26px;
  left: 18px;
  width: 72px;
  height: 72px;
  border: 4px solid #fff;
  border-radius: 50%;
}

.usage-grid {
  display: grid;
  gap: 90px;
  grid-template-columns: 0.9fr 1.1fr;
}

.usage-grid > div:last-child {
  display: grid;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.usage-grid article {
  display: grid;
  min-height: 82px;
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  grid-template-columns: 140px 1fr;
}

.usage-grid article span {
  color: var(--gold);
  font:
    600 10px JetBrains,
    monospace;
  text-transform: uppercase;
}

.usage-grid article strong {
  color: var(--muted-dark);
  font-size: 17px;
  font-weight: 500;
}

.downloads {
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.downloads-grid {
  display: grid;
  gap: 55px;
  grid-template-columns: 160px 1fr 0.75fr;
}

.downloads-grid > div {
  display: grid;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.downloads a {
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--muted-dark);
  text-decoration: none;
}

.downloads a:hover {
  color: #fff;
}

.social-footer {
  padding: 28px 0;
  color: var(--muted-dark);
  background: #101010;
  font:
    600 10px JetBrains,
    monospace;
}

.social-footer > div {
  display: flex;
  justify-content: space-between;
  gap: 30px;
}

.social-footer a {
  color: #fff;
}

@media (max-width: 1050px) {
  .social-header nav {
    display: none;
  }

  .social-header {
    grid-template-columns: 1fr auto;
  }

  .section-head,
  .usage-grid,
  .downloads-grid {
    grid-template-columns: 1fr;
  }

  .section-head .eyebrow {
    margin-bottom: -20px;
    grid-column: auto;
  }

  .marks-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .icon-strip-dark {
    grid-template-columns: 1fr;
  }

  .cover-grid {
    grid-template-columns: 280px 1fr;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(calc(100% - 32px), var(--shell));
  }

  .social-header {
    min-height: 66px;
    padding: 0 16px;
  }

  .social-header__brand {
    font-size: 13px;
  }

  .social-header__cta {
    min-height: 40px;
  }

  .social-hero,
  .platform-marks,
  .backgrounds,
  .covers,
  .usage,
  .downloads {
    padding-block: 76px;
  }

  h1 {
    font-size: 64px;
  }

  h2 {
    font-size: 51px;
  }

  .social-hero__rail,
  .marks-grid,
  .background-grid,
  .cover-grid,
  .mark-rule {
    grid-template-columns: 1fr;
  }

  .social-hero__rail span,
  .mark-rule > * {
    border-bottom: 1px solid var(--line);
  }

  .background-grid__wide,
  .background-grid__portrait {
    max-width: none;
    grid-column: auto;
  }

  .cover-grid__avatar {
    max-width: 360px;
    grid-row: auto;
  }

  .cover-grid__mobile {
    grid-column: auto;
  }

  .usage-grid article {
    grid-template-columns: 110px 1fr;
  }

  .social-footer > div {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}