:root {
  --page-bg: #f7f7f5;
  --surface: #ffffff;
  --surface-soft: rgba(255, 255, 255, 0.72);
  --accent: #9f8d02;
  --accent-soft: rgba(159, 141, 2, 0.12);
  --ink: #2f2f2f;
  --muted: #686868;
  --line: rgba(47, 47, 47, 0.14);
  --focus: #242424;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background:
    linear-gradient(180deg, #fff 0%, var(--page-bg) 42%, #f1f1ee 100%);
  color: var(--ink);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
}

.blog-top,
.blog-shell,
.blog-footer {
  width: min(1180px, 92vw);
  margin: 0 auto;
}

.blog-top {
  padding: clamp(24px, 5vw, 58px) 0 clamp(18px, 3vw, 34px);
  animation: fadeUp 0.72s var(--ease) both;
}

.blog-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 30px);
  color: var(--accent);
  font-weight: 750;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.blog-back:hover {
  text-decoration: underline;
}

.blog-back:focus-visible,
.post-link:focus-visible,
.post-list-panel summary:focus-visible,
.blog-footer a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
  border-radius: 6px;
}

.blog-eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: clamp(12px, 1vw, 15px);
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  max-width: none;
  margin: 0;
  color: var(--ink);
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.05;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

.blog-lead {
  max-width: none;
  margin: clamp(14px, 2vw, 22px) 0 0;
  color: #4a4a4a;
  font-size: clamp(17px, 1.55vw, 22px);
}

.blog-shell {
  padding: 0 0 clamp(28px, 6vw, 70px);
}

.blog-layout {
  display: block;
}

.post-list-panel {
  margin-bottom: clamp(20px, 3vw, 34px);
  border: 1px solid rgba(159, 141, 2, 0.34);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 10px 24px rgba(47, 47, 47, 0.06);
}

.post-list-panel summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(13px, 1.5vw, 18px) clamp(16px, 2vw, 24px);
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.post-list-panel summary::-webkit-details-marker {
  display: none;
}

.post-list-panel summary span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(18px, 1.7vw, 25px);
  font-weight: 800;
  line-height: 1.2;
}

.post-list-panel summary span::before {
  content: "";
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 7px solid var(--accent);
  transform: rotate(0deg);
  transition: transform 0.2s ease;
}

.post-list-panel[open] summary span::before {
  transform: rotate(90deg);
}

.post-list-panel summary strong {
  flex: 0 0 auto;
  padding: 4px 10px;
  border: 1px solid rgba(159, 141, 2, 0.3);
  border-radius: 999px;
  background: var(--accent-soft);
  color: #6c6100;
  font-size: 13px;
}

.post-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 10px;
  padding: 0 clamp(16px, 2vw, 24px) clamp(16px, 2vw, 24px);
  border-top: 1px solid var(--line);
}

.post-link {
  position: relative;
  display: grid;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--ink);
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(47, 47, 47, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.post-link:hover {
  transform: translateY(-2px);
  border-color: rgba(159, 141, 2, 0.42);
  background: #fff;
  box-shadow: 0 14px 28px rgba(47, 47, 47, 0.09);
}

.post-link.is-active {
  border-color: rgba(159, 141, 2, 0.62);
  background: #fff;
}

.post-link-date,
.post-link-meta {
  color: var(--muted);
  font-size: 13px;
}

.post-link strong {
  font-size: 16px;
  line-height: 1.25;
}

.post-link-badge {
  justify-self: start;
  margin-top: 4px;
  padding: 3px 8px;
  border: 1px solid rgba(159, 141, 2, 0.3);
  border-radius: 999px;
  background: var(--accent-soft);
  color: #6c6100;
  font-size: 12px;
  font-weight: 800;
}

.post-reader {
  min-width: 0;
}

.latest-title {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: clamp(22px, 2.2vw, 32px);
  line-height: 1.2;
}

.blog-post {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 18px 42px rgba(47, 47, 47, 0.08);
  padding: clamp(20px, 4vw, 48px);
  animation: fadeUp 0.58s var(--ease) both;
}

.blog-post[hidden] {
  display: none;
}

.post-header {
  margin-bottom: clamp(18px, 3vw, 30px);
  padding-bottom: clamp(16px, 2.5vw, 24px);
  border-bottom: 1px solid var(--line);
}

.post-category {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.post-header h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.08;
  letter-spacing: 0;
}

.post-summary {
  max-width: none;
  margin: 12px 0 0;
  color: #4a4a4a;
  font-size: clamp(17px, 1.45vw, 21px);
}

.post-header time {
  display: inline-flex;
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.blog-post h3 {
  margin: clamp(24px, 3vw, 34px) 0 8px;
  color: var(--accent);
  font-size: clamp(21px, 2.1vw, 30px);
  line-height: 1.25;
}

.blog-post p {
  max-width: none;
  margin: 0 0 13px;
  color: #353535;
  font-size: clamp(16px, 1.2vw, 18px);
}

.blog-post ul {
  max-width: none;
  margin: 8px 0 16px;
  padding-left: 22px;
}

.blog-post li {
  color: #353535;
  font-size: clamp(16px, 1.18vw, 18px);
}

.blog-post li + li {
  margin-top: 5px;
}

.blog-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding: 0 0 34px;
  color: var(--muted);
  font-size: 14px;
}

.blog-footer a {
  text-decoration-thickness: 1px;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 860px) {
  .post-list {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  }
}

@media (max-width: 560px) {
  .blog-top,
  .blog-shell,
  .blog-footer {
    width: min(calc(100% - 56px), 1180px);
  }

  h1 {
    font-size: clamp(25px, 6.8vw, 28px);
    line-height: 1.12;
  }

  .blog-lead {
    font-size: clamp(16px, 4.4vw, 18px);
  }

  .post-list-panel summary {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .post-list-panel summary span {
    font-size: clamp(18px, 5.1vw, 21px);
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}