* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #111411;
  color: #e8ece9;
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.7;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

/* Header */

.site-header {
  width: 100%;
  background: #151915;
  border-bottom: 1px solid #262d27;
}

.header-inner {
  width: min(1100px, calc(100% - 40px));
  height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo {
  display: block;
  width: auto;
  height: 34px;
  object-fit: contain;
}

.header-link {
  color: #a7b0a9;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: color 160ms ease;
}

.header-link:hover {
  color: #7ed99d;
}

/* Article */

.article-container {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0 80px;
}

.article-category {
  margin: 0 0 12px;
  color: #64c985;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-container h1 {
  margin: 0 0 20px;
  color: #f5f7f5;
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 750;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.article-description {
  margin: 0 0 10px;
  color: #aab2ac;
  font-size: 20px;
  line-height: 1.6;
}

.article-date {
  margin: 0 0 42px !important;
  color: #778079 !important;
  font-size: 13px !important;
  font-weight: 500;
}

.article-date time {
  color: inherit;
}

.article-container section {
  width: 100%;
}

.article-container h2 {
  margin: 52px 0 16px;
  color: #eef2ef;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.article-container h3 {
  margin: 32px 0 10px;
  color: #dce2dd;
  font-size: 20px;
  font-weight: 650;
  line-height: 1.35;
}

.article-container p {
  margin: 0 0 20px;
  color: #b9c1bb;
  font-size: 17px;
}

.article-container strong {
  color: #f0f4f1;
  font-weight: 650;
}

.article-container a {
  color: #7ed99d;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 160ms ease;
}

.article-container a:hover {
  color: #9be8b3;
}

/* Article hero image */

.article-image {
  display: block;
  width: 100%;
  height: auto;
  margin: 34px 0 46px;
  border: 1px solid #293029;
  border-radius: 12px;
  object-fit: cover;
}

.article-image-wrapper {
  width: 100%;
  margin: 34px 0 46px;
}

.article-image-wrapper .article-image {
  margin: 0;
}

.article-image-caption {
  margin: 10px 0 0 !important;
  color: #747e76 !important;
  font-size: 13px !important;
  line-height: 1.5;
  text-align: center;
}

/* Images inside article sections */

.article-content-image {
  display: block;
  width: 100%;
  height: auto;
  margin: 32px 0;
  border: 1px solid #293029;
  border-radius: 10px;
  object-fit: cover;
}

.article-content-image-small {
  display: block;
  width: min(560px, 100%);
  height: auto;
  margin: 32px auto;
  border: 1px solid #293029;
  border-radius: 10px;
  object-fit: cover;
}

/* Lists */

.article-container ul,
.article-container ol {
  margin: 0 0 24px;
  padding-left: 24px;
  color: #b9c1bb;
}

.article-container li {
  margin-bottom: 8px;
  padding-left: 4px;
  font-size: 17px;
}

.article-container li::marker {
  color: #64c985;
}

/* Quotes */

.article-container blockquote {
  margin: 32px 0;
  padding: 18px 22px;
  background: #161a17;
  border-left: 3px solid #58bc79;
  border-radius: 0 8px 8px 0;
}

.article-container blockquote p {
  margin: 0;
  color: #c7cec9;
}

/* Code */

.article-container code {
  padding: 2px 6px;
  background: #1a1f1b;
  border: 1px solid #2b322c;
  border-radius: 5px;
  color: #a1e5b5;
  font-family:
    "SFMono-Regular",
    Consolas,
    "Liberation Mono",
    monospace;
  font-size: 0.9em;
}

.article-container pre {
  width: 100%;
  margin: 28px 0;
  padding: 20px;
  overflow-x: auto;
  background: #0d100e;
  border: 1px solid #293029;
  border-radius: 10px;
}

.article-container pre code {
  padding: 0;
  background: transparent;
  border: 0;
  color: #c7d0c9;
}

/* Horizontal rule */

.article-container hr {
  height: 1px;
  margin: 46px 0;
  background: #272e28;
  border: 0;
}

/* Newsletter */

.newsletter-section {
  width: 100%;
  margin: 36px 0;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.newsletter-section iframe {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 540px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: transparent;
  border: 0;
  border-radius: 0;
}

/* OpenToken promotion */

.opentoken-callout {
  margin: 52px 0;
  padding: 28px;
  background: #171c18;
  border: 1px solid #2b352d;
  border-radius: 12px;
}

.opentoken-callout h2 {
  margin: 0 0 10px;
  color: #f0f4f1;
  font-size: 22px;
}

.opentoken-callout p {
  margin: 0 0 18px;
  color: #b7c0b9;
}

.opentoken-callout p:last-of-type {
  margin-bottom: 20px;
}

.opentoken-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 10px 16px;
  background: #2d8f52;
  color: #ffffff !important;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none !important;
  transition:
    background 160ms ease,
    transform 160ms ease;
}

.opentoken-button:hover {
  background: #369e5f;
}

.opentoken-button:active {
  transform: translateY(1px);
}

/* Footer */

.site-footer {
  background: #0d100e;
  color: #ffffff;
  border-top: 1px solid #222822;
}

.footer-inner {
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
  padding: 42px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-brand strong {
  color: #eef2ef;
  font-size: 16px;
}

.footer-brand p {
  margin: 0;
  color: #8e9890;
  font-size: 13px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.footer-links a {
  color: #b6beb8;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: color 160ms ease;
}

.footer-links a:hover {
  color: #ffffff;
}

/* Selection */

::selection {
  background: #2d8f52;
  color: #ffffff;
}

/* Mobile */

@media (max-width: 640px) {
  .header-inner {
    width: min(100% - 28px, 1100px);
    height: 62px;
  }

  .logo {
    height: 30px;
  }

  .header-link {
    font-size: 13px;
  }

  .article-container {
    width: min(100% - 32px, 760px);
    padding: 44px 0 60px;
  }

  .article-container h1 {
    font-size: 38px;
    line-height: 1.1;
  }

  .article-description {
    font-size: 18px;
    line-height: 1.55;
  }

  .article-date {
    margin-bottom: 34px !important;
  }

  .article-container h2 {
    margin-top: 42px;
    font-size: 25px;
  }

  .article-container h3 {
    margin-top: 28px;
    font-size: 19px;
  }

  .article-container p,
  .article-container li {
    font-size: 16px;
  }

  .article-image,
  .article-image-wrapper {
    margin-top: 26px;
    margin-bottom: 34px;
  }

  .article-image {
    border-radius: 9px;
  }

  .article-content-image,
  .article-content-image-small {
    margin-top: 26px;
    margin-bottom: 26px;
    border-radius: 9px;
  }

  .article-container blockquote {
    padding: 16px 18px;
  }

  .article-container pre {
    padding: 16px;
    border-radius: 8px;
  }

  .newsletter-section {
    margin: 28px 0;
    padding: 0;
  }

  .newsletter-section iframe {
    width: 100%;
    height: 540px;
  }

  .opentoken-callout {
    margin: 42px 0;
    padding: 22px;
  }

  .opentoken-callout h2 {
    font-size: 21px;
  }

  .footer-inner {
    width: min(100% - 32px, 1100px);
    padding: 34px 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
  }

  .footer-links {
    gap: 18px;
  }
}