@import url("https://fonts.googleapis.com/css2?family=Rubik:wght@400;500;700;800&display=swap");

:root {
  --rs-color-blue: #3f71af;
  --rs-color-realblue: #1d61ba;
  --rs-color-lightblue: #2775b9;
  --rs-color-superlightblue: #42ace0;
  --rs-color-grayblue: #4d688a;
  --rs-color-fiolet: #6b44ab;

  --bg: #f2f5f8;
  --surface: #ffffff;
  --text: #1d2736;
  --muted: #6b7280;
  --border: #dbe3ee;
  --accent: var(--rs-color-lightblue);
  --accent-hover: var(--rs-color-superlightblue);
  --header-dark: var(--rs-color-blue);
  --footer-dark: var(--rs-color-grayblue);
  --link-blue: var(--rs-color-realblue);
}

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

body {
  margin: 0;
  font-family: "Rubik", "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-hover);
}

.site-shell {
  max-width: 1160px;
  margin: 50px auto;
}

.site-header {
  color: #f9fafb;
}

.header-top {
  height: 30px;
  background: var(--header-dark);
}

.header-top__inner,
.header-main__inner,
.site-footer__inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
}

.header-main {
  background: #fff;
}

.header-main__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 76px;
}

.site-logo a {
  color: #3f71af;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-logo img {
  width: 50px;
}

.main-nav .menu {
  display: flex;
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: rgba(0,0,0,.5);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.2px;
}

.main-nav a:hover {
  color: #1d61ba;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px 8px;
  border: 1px solid #dbe3ee;
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
}

.menu-toggle__line {
  display: block;
  width: 100%;
  height: 2px;
  margin: 4px 0;
  background: #1d61ba;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle.is-active .menu-toggle__line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle.is-active .menu-toggle__line:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active .menu-toggle__line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 6px;
  color: #152a42;
  background: #f6a21a;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.header-cta:hover {
  color: #152a42;
  background: #ffb640;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 30px;
}

.card {
  display: flex;
  gap: 30px;
  margin-bottom: 30px;
}

.article-card {
  padding: 34px 36px;
}

.article-title {
  margin: 0 0 14px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.16;
  letter-spacing: -0.2px;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  font-size: 14px;
  color: var(--muted);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 13px;
  color: #6b7280;
}

.breadcrumbs a {
  color: #374151;
}

.toc-box {
  margin: 0 0 28px;
  padding: 18px 20px;
  border: 1px solid #dbe4ef;
  border-radius: 10px;
  background: #f8fbff;
}

.toc-box h2 {
  margin: 0 0 10px;
  font-size: 20px;
}

.toc-box ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.toc-box li a {
  color: #1f2937;
  font-size: 15px;
}

.toc-box .toc-sub {
  padding-left: 16px;
}

.article-content p {
  margin: 0 0 18px;
  font-size: 20px;
  line-height: 1.72;
}

.article-content h2,
.article-content h3 {
  margin: 34px 0 16px;
  line-height: 1.28;
  letter-spacing: -0.2px;
}

.article-content h2 {
  font-size: 34px;
}

.article-content h3 {
  font-size: 28px;
}

.article-content ul,
.article-content ol {
  margin: 0 0 20px;
  padding-left: 28px;
}

.article-content li {
  margin-bottom: 8px;
  font-size: 20px;
  line-height: 1.65;
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}

.single-layout {
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 42px;
}

.single-main {
  min-width: 0;
}

.single-bg {
  background: url('../images/bg.jpg') no-repeat center center / cover;
}

.single-bg h1 {
  color: #fff;
  padding: 70px 0;
  margin: 0;
  text-align: center;
}

.single-bg .site-shell {
  margin: 0 auto;
}



.single-post-category {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 14px;
  color: #2872b6;
}

.single-article {
  position: relative;
  margin-top: 160px;
}

.single-article .blog-item-date {
  position: absolute;
  top: -120px;
  left: -30px;
}

.single-article .blog-item-date__day {
  font-size: 170px;
  margin-top: -20px;
}

.single-article .blog-item-date__month {
  font-size: 40px;
}

.single-article-id {
  font-size: clamp(120px, 18vw, 260px);
  font-weight: 700;
  color: #7f8b9929;
  position: absolute;
  line-height: 1;
  top: -160px;
  left: -30px;
  pointer-events: none;
  user-select: none;
}

.single-article .article-title {
  margin-bottom: 10px;
  font-size: clamp(34px, 4.3vw, 50px);
  line-height: 1.13;
  color: #0f1725;
  letter-spacing: -0.35px;
}

.single-article .meta-row {
  margin-bottom: 26px;
}

.single-article .blog-item-date {
  margin-top: 0;
}

.single-date {
  font-size: 12px;
  font-weight: 700;
  color: #7f8b99;
}

.single-article .article-content p,
.single-article .article-content li {
  font-size: 18px;
  line-height: 1.62;
  color: #1d2938;
}



.single-article .article-content h2 {
  margin-top: 38px;
  margin-bottom: 16px;
  font-size: clamp(32px, 3.8vw, 32px);
  line-height: 1.17;
  color: #0f1725;
}

.single-article .article-content h3 {
  margin-top: 30px;
  margin-bottom: 14px;
  font-size: clamp(28px, 3.3vw, 38px);
  line-height: 1.2;
  color: #0f1725;
}

.single-article .article-content blockquote {
  margin: 0 0 24px;
  padding: 0 0 0 18px;
  border-left: 4px solid #d2dbe6;
  color: #42566d;
  font-style: italic;
}

.single-article .article-content strong {
  font-weight: 700;
}

.single-post-signature {
  margin: 26px 0 0;
  font-size: 22px;
  font-weight: 500;
}

.single-post-author {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid #e7edf3;
  display: flex;
  align-items: center;
  gap: 14px;
}

.single-post-author__photo {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid #dbe3ee;
  background: #fff;
}

.single-post-author__name,
.single-post-author__role {
  margin: 0;
}

.single-post-author__name {
  font-size: 18px;
  font-weight: 700;
  color: #0f1725;
}

.single-post-author__role {
  margin-top: 2px;
  color: #64748b;
  font-size: 14px;
}

.single-post-author--after-sidebar {
  display: none;
}

.single-post-author--in-article {
  display: flex;
}

.single-comments {
  margin-top: 22px;
  background: #fff;
  border: 1px solid #e7edf3;
  border-radius: 4px;
  padding: 24px 26px 28px;
}

.single-comments-title {
  margin: 0 0 18px;
  font-size: 30px;
  line-height: 1.2;
}

.single-comments .comment-reply-title {
  display: none;
}

.single-comments .comment-notes {
  margin: 0 0 12px;
  color: #6b7280;
  font-size: 14px;
}

.single-comments textarea,
.single-comments input[type="text"],
.single-comments input[type="email"],
.single-comments input[type="url"] {
  width: 100%;
  border: 1px solid #d7e0eb;
  border-radius: 3px;
  padding: 12px 14px;
  font: inherit;
}

.single-comments textarea {
  min-height: 140px;
  resize: vertical;
}

.single-comments .form-submit {
  margin-top: 8px;
}

.single-comments .submit,
.single-comment-submit {
  border: 0;
  border-radius: 3px;
  background: #2f79bd;
  color: #fff;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.single-sidebar {
  align-self: start;
  position: sticky;
  top: 24px;
  display: grid;
  gap: 60px;
}

.single-sidebar-title {
  margin: 0 0 10px;
  color: #2a3c51;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  line-height: 1.3;
  padding-bottom: 8px;
  border-bottom: 1px solid #edf2f7;
}

.single-sidebar-list {
  gap: 0;
  font-size: 14px;
}

.single-sidebar-list a {
    text-transform: uppercase;
    width: 100%;
    padding: 10px 25px;
    color: #848484!important;
    background-color: #f2f2f2;
    border: 1px solid #ccc;
    display: block;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 300!important;
}

.single-sidebar-list a:hover {
  color: #1d61ba;
  text-decoration: underline;
}


.popular-posts a {
  color: #848484!important;
  font-weight: 400!important;
  margin-bottom: 10px;
}


.single-sidebar-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.single-sidebar-list li:first-child {
  padding-top: 0;
}

.single-sidebar-list .cat-item {
  color: #848484;
}

.single-sidebar-list .cat-item a {
  margin-right: 4px;
}

.single-sidebar-list .current-cat > a,
.single-sidebar-list .current-cat-parent > a,
.single-sidebar-list .current-cat-ancestor > a {
  color: #fff !important;
  border-color: #3f71af;
  background-color: #3f71af;
  font-weight: 700;
}

.single-sidebar-list .current-cat > span,
.single-sidebar-list .current-cat-parent > span,
.single-sidebar-list .current-cat-ancestor > span {
  color: #1d61ba;
  font-weight: 700;
}

.sidebar-card {
  padding: 16px 18px;
  margin-bottom: 16px;
  border-radius: 8px;
  box-shadow: none;
}

.sidebar-sticky-wrap {
  position: sticky;
  top: 24px;
  align-self: start;
}

.sidebar-title {
  margin: 0 0 12px;
  font-size: 16px;
  color: #203851;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.sidebar-nav-card {
  background: #f6f9fd;
  border-color: #d4deeb;
}

.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.post-list a {
  display: block;
  color: var(--link-blue);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.4;
}

.post-list small {
  color: var(--muted);
  font-size: 12px;
}

.sidebar-sub {
  padding-left: 14px;
}

.sidebar-cat-list li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
}

.blog-archive-title {
  margin: 0 0 20px;
  font-size: clamp(28px, 3vw, 36px);
}

.blog-list {
  display: grid;
  gap: 16px;
}



.blog-item h2 {
  margin: 0 0 8px;
  font-size: 24px;
  line-height: 1.3;
}

.blog-item-date {
  margin: 0 0 10px;
  color: #7f8b99;
  font-size: 14px;
  line-height: 1.3;
  position: relative;
}

.blog-item-date__text,
.blog-item-date__bg {
  display: block;
}

.blog-item-date__bg {
  font-weight: 700;
  color: #7f8b9929;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  display: flex;
  flex-direction: column;
}

.blog-item-date__month,
.blog-item-date__day {
  display: inline-block;
}

.blog-item-date__day {
  font-size: 110px;
  line-height: 1;
  margin-top: -10px;
}

.blog-item-date__month {
  margin-right: 8px;
  font-size: 30px;
}

.blog-item h2,
.blog-item p,
.blog-item-date__text {
  position: relative;
  z-index: 2;
}

.blog-item p {
  margin: 0;
  color: #374151;
}

.front-hero {
  padding: 28px;
  margin-bottom: 22px;
}

.front-hero h1 {
  margin: 0 0 8px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.15;
}

.front-hero p {
  margin: 0;
  max-width: 760px;
  font-size: 18px;
  color: #4b5563;
}

.front-news-wrap {
  display: grid;
  gap: 14px;
}

.front-news-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.front-news-head h1,
.front-news-head h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 34px);
}

.front-news-head a {
  font-weight: 600;
}

.front-news-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 30px;
}

.front-news-grid .card {
  flex-direction: column;
  background-color: #fff;
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 0;
}

.front-news-item {
  padding: 20px;
}

.front-news-item h3 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.3;
}

.front-news-item p {
  margin: 0;
  color: #374151;
}

.site-footer {
  margin-top: 40px;
  color: #cfdbeb;
  background: var(--header-dark);
}

.error404-main {
  display: flex;
  justify-content: center;
}

.error404-card {
  width: min(100%, 760px);
  padding: 42px 38px;
  border: 1px solid #d8e3f0;
  border-radius: 14px;
  background: linear-gradient(180deg, #ffffff 0%, #f6f9ff 100%);
  box-shadow: 0 14px 34px rgba(29, 97, 186, 0.12);
  text-align: center;
}

.error404-code {
  margin: 0;
  font-size: clamp(68px, 14vw, 140px);
  line-height: 0.95;
  font-weight: 800;
  letter-spacing: 1px;
  color: #1d61ba;
}

.error404-title {
  margin: 14px 0 10px;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
  color: #203851;
}

.error404-text {
  margin: 0;
  color: #4a5e75;
  font-size: 18px;
}

.error404-actions {
  margin-top: 26px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.error404-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2px;
}

.error404-btn--primary {
  color: #fff;
  background: #1d61ba;
}

.error404-btn--primary:hover {
  color: #fff;
  background: #2775b9;
}

.error404-btn--ghost {
  color: #1d61ba;
  background: #eaf2ff;
  border: 1px solid #cfe0f7;
}

.error404-btn--ghost:hover {
  color: #1d61ba;
  background: #dcecff;
}

.site-footer__inner {
  padding-top: 38px;
  padding-bottom: 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 24px;
}

.footer-col h3 {
  margin: 0 0 12px;
  color: #f8fbff;
  font-size: 17px;
  text-transform: uppercase;
}

.footer-col p,
.footer-col li {
  font-size: 14px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.footer-col a {
  color: #dce7f5;
}

.footer-bottom {
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid #dce7f5;
  font-size: 13px;
  color: #9eb1c8;
}

@media (max-width: 1000px) {
  .content-grid {
    grid-template-columns: 1fr;
  }

  .single-layout {
    gap: 20px;
  }

  .blog-item-date {
    font-size: 13px;
  }

  .blog-item-date__bg {
    top: -120px;
    left: -18px;
    font-size: clamp(90px, 22vw, 210px);
  }

  .single-article {
    padding: 20px;
  }

  .single-article .article-title {
    font-size: clamp(30px, 8vw, 42px);
  }

  .single-article .article-content p,
  .single-article .article-content li {
    font-size: 18px;
  }

  .single-article .article-content h2 {
    font-size: clamp(30px, 6.7vw, 38px);
  }

  .single-article .article-content h3 {
    font-size: clamp(24px, 5.4vw, 32px);
  }

  .single-comments {
    padding: 20px;
  }

  .single-sidebar {
    position: static;
  }

  .article-card {
    padding: 24px;
  }

  .article-content p,
  .article-content li {
    font-size: 18px;
  }

  .article-content h2 {
    font-size: 30px;
  }

  .article-content h3 {
    font-size: 25px;
  }

  .sidebar-sticky-wrap {
    position: static;
  }

  .front-news-grid {
    grid-template-columns: 1fr;
  }

  .error404-card {
    padding: 30px 22px;
  }

  .error404-text {
    font-size: 16px;
  }

  .error404-btn {
    width: 100%;
  }

  .single-post-author--in-article {
    display: none;
  }

  .single-post-author--after-sidebar {
    display: flex;
    grid-column: 1 / -1;
  }

  .header-main__inner {
    flex-wrap: wrap;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .menu-toggle {
    display: inline-block;
    margin-left: auto;
  }

  .main-nav {
    width: 100%;
    display: none;
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav .menu {
    flex-direction: column;
    gap: 0;
    width: 100%;
    padding-top: 8px;
  }

  .main-nav .menu li {
    border-top: 1px solid #edf2f7;
  }

  .main-nav .menu a {
    display: block;
    padding: 12px 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .site-shell {
    margin: 40px auto;
    padding: 0 20px;
  }
  .blog-item-date {
    margin-bottom: -70px!important;
    margin-left: -15px!important;
  }
  .card {
    flex-direction: column;
  }
  .single-bg h1 {
    font-size:25px;
  }
  .single-article-id {
    display: none;
  }
  .single-article {
    margin-top: 20px;
    padding: 0;
  }
}