:root {
  --bg: #e9eef4;
  --bg-elev: #f5f7fa;
  --ink: #12161c;
  --ink-soft: #3a4452;
  --muted: #6b7685;
  --line: rgba(18, 22, 28, 0.1);
  --accent: #0b7a6e;
  --accent-deep: #065a51;
  --accent-soft: rgba(11, 122, 110, 0.12);
  --danger: #b42318;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(18, 22, 28, 0.08);
  --font-display: "Syne", sans-serif;
  --font-body: "Manrope", sans-serif;
  --max: 1120px;
  --nav-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(11, 122, 110, 0.16), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(36, 72, 120, 0.12), transparent 50%),
    linear-gradient(180deg, #e7edf4 0%, #f3f6f9 42%, #eef2f6 100%);
  background-attachment: fixed;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(245, 247, 250, 0.78);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  min-height: var(--nav-h);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.04em;
  font-size: 1.25rem;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  flex: 0 0 auto;
}

.brand .brand-text {
  color: var(--ink);
}

.article-card .card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
  letter-spacing: -0.02em;
  line-height: 1.25;
  font-weight: 800;
  color: var(--ink);
}

.related-title {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.3;
  font-family: var(--font-display);
  letter-spacing: -0.015em;
  font-weight: 700;
  color: var(--ink);
}

.footer-heading {
  margin: 0 0 0.65rem;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 600;
  position: relative;
  padding: 0.35rem 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-check {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-elev);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-check:checked + .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-check:checked + .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.nav-check:checked + .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.featured.is-visible,
.article-card.is-visible {
  opacity: 1;
  transform: none;
  animation: none;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 2.25rem 0 0.75rem;
  color: var(--ink);
}

.hero-intro {
  max-width: 34rem;
  margin: 0 auto 1.75rem;
  text-align: center;
}

.hero-intro h1 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.12;
}

.hero-intro h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-intro p {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.55;
}

.featured {
  display: block;
  max-width: 720px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: calc(var(--radius) + 4px);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  transition: transform 0.25s ease;
}

.featured:hover {
  transform: translateY(-2px);
}

.featured-media {
  position: relative;
  overflow: hidden;
  background: #d7dee7;
  aspect-ratio: 16 / 10;
}

.featured-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.featured:hover .featured-media img {
  transform: scale(1.03);
}

.featured-body {
  padding: 1.25rem 1.35rem 1.2rem;
}

.featured-title {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.8vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--ink);
}

.featured-excerpt {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 46px;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-deep);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.16);
}

.btn-secondary {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.btn-secondary:hover {
  border-color: rgba(11, 122, 110, 0.35);
  background: var(--bg-elev);
}

.section {
  padding: 3.5rem 0;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
}

.section-head p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  max-width: 42ch;
}

.kicker {
  display: inline-block;
  margin-bottom: 0.4rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.article-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  color: inherit;
  opacity: 1;
  transform: none;
  transition: transform 0.25s ease;
}

.article-card:hover {
  transform: translateY(-3px);
}

.article-card .thumb {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: calc(var(--radius) - 2px);
  background: #d7dee7;
}

.article-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.article-card:hover .thumb img {
  transform: scale(1.04);
}

.article-card .body {
  padding: 0.95rem 0.1rem 0.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.7rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.meta .dot::before {
  content: "·";
  margin-right: 0.7rem;
}

.article-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.article-card p:not(.card-title) {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.category-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

.category-link {
  display: block;
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.55);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.category-link:hover {
  border-color: rgba(11, 122, 110, 0.35);
  background: #fff;
  transform: translateY(-2px);
}

.category-link strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.category-link span {
  color: var(--muted);
  font-size: 0.9rem;
}

.page-hero {
  padding: 2.75rem 0 1.5rem;
}

.page-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.page-hero p {
  margin: 0.75rem 0 0;
  color: var(--ink-soft);
  max-width: 56ch;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.25rem 0 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 650;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.chip:hover,
.chip.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.search-box {
  display: flex;
  gap: 0.65rem;
  margin-top: 1.25rem;
  max-width: 640px;
}

.search-box input {
  flex: 1;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.7rem 1.1rem;
  background: rgba(255, 255, 255, 0.8);
  outline: none;
}

.search-box input:focus {
  border-color: rgba(11, 122, 110, 0.55);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.search-box .btn {
  border-radius: 999px;
}

.results-count {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.empty-state {
  padding: 2.5rem 1.25rem;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  text-align: center;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.4);
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 2rem;
  padding-bottom: 3.5rem;
}

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

.detail-cover {
  margin: 0 0 1.5rem;
  border-radius: calc(var(--radius) + 2px);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #d7dee7;
  box-shadow: var(--shadow);
}

.detail-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-main h1 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.detail-summary {
  font-size: 1.1rem;
  color: var(--ink-soft);
  margin: 0 0 1.5rem;
}

.detail-body {
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.75;
}

.detail-body p {
  margin: 0 0 1.15rem;
}

.detail-body p.detail-list-item {
  padding-left: 0.15rem;
}

.detail-actions .btn-secondary {
  background: #fff;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.75rem;
}

.detail-aside .aside-card {
  position: sticky;
  top: calc(var(--nav-h) + 1rem);
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.65);
}

.detail-aside h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.related-list {
  display: grid;
  gap: 0.85rem;
}

.related-item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 0.7rem;
  align-items: start;
}

.related-item img {
  width: 72px;
  height: 56px;
  object-fit: cover;
  border-radius: 8px;
  background: #d7dee7;
}

.related-item span {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.policy {
  max-width: 760px;
  padding-bottom: 3.5rem;
}

.policy h1 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -0.035em;
}

.policy h2 {
  margin: 2rem 0 0.65rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.policy p,
.policy li {
  color: var(--ink-soft);
}

.policy ul {
  padding-left: 1.2rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.45);
  margin-top: 1rem;
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
  text-align: center;
  justify-items: center;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.04em;
}

.footer-brand img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}

.footer-brand .brand-text {
  color: var(--ink);
}

.site-footer p {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.site-footer a {
  color: var(--ink-soft);
  font-weight: 600;
}

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

.footer-copy {
  grid-column: 1 / -1;
  width: 100%;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

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

@media (max-width: 960px) {
  .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .category-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .detail-layout {
    grid-template-columns: 1fr;
  }

  .detail-aside .aside-card {
    position: static;
  }

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

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: calc(var(--nav-h) + 0.35rem);
    left: 0.85rem;
    right: 0.85rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    padding: 0.65rem;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: 0 16px 40px rgba(18, 22, 28, 0.14);
    z-index: 60;
  }

  .nav-check:checked ~ .nav-links {
    display: flex;
  }

  .nav-links li {
    margin: 0;
  }

  .nav-links a {
    display: block;
    padding: 0.9rem 1rem;
    border-radius: 12px;
    border-bottom: none;
    color: var(--ink);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    background: transparent;
    transition: background 0.2s ease, color 0.2s ease;
  }

  .nav-links a::after {
    display: none;
  }

  .nav-links a:hover,
  .nav-links a:focus-visible {
    background: var(--accent-soft);
    color: var(--accent-deep);
  }

  .nav-links a[aria-current="page"] {
    background: var(--accent);
    color: #fff;
  }

  .nav-links a[aria-current="page"]::after {
    display: none;
  }

  .hero-intro {
    margin-bottom: 1.35rem;
    text-align: left;
  }

  .featured-body {
    padding: 1.1rem 1.15rem 1.05rem;
  }

  .article-grid,
  .category-strip,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .search-box {
    flex-direction: column;
  }

  .search-box .btn {
    width: 100%;
  }

  .section {
    padding: 2.5rem 0;
  }
}

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

  .featured,
  .article-card.is-visible {
    animation: none !important;
    opacity: 1;
    transform: none;
  }
}