:root {
  --brand-green: #16a34a;
  --brand-green-dark: #15803d;
  --brand-green-light: #dcfce7;
  --brand-orange: #f97316;
  --brand-orange-dark: #ea580c;
  --brand-background: #f1f5f9;
  --brand-surface: #ffffff;
  --brand-text-primary: #1e293b;
  --brand-text-secondary: #64748b;
  --brand-border: #e2e8f0;
  --brand-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --brand-radius: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Roboto", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--brand-text-primary);
  background: var(--brand-background);
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.container {
  width: min(1280px, 92vw);
  margin: 0 auto;
}

.site-header {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08);
}

.site-header__inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 20px;
  color: var(--brand-green);
}

.header-logo {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  object-fit: cover;
}

.header-nav {
  display: none;
  align-items: center;
  gap: 8px;
  margin-left: 20px;
}

.header-nav a {
  color: #4b5563;
  padding: 8px 12px;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.header-nav a:hover {
  color: #111827;
  background: #f3f4f6;
}

.header-nav a.is-active {
  color: var(--brand-green);
  font-weight: 600;
}

.header-actions {
  display: none;
  align-items: center;
  gap: 8px;
}

.btn-outline {
  border: 1px solid var(--brand-green);
  color: var(--brand-green);
  background: transparent;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-outline:hover {
  color: #fff;
  background: var(--brand-green);
}

.btn-solid {
  border: 1px solid var(--brand-green);
  color: #fff;
  background: var(--brand-green);
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-solid:hover {
  background: var(--brand-green-dark);
  border-color: var(--brand-green-dark);
}

.hero {
  padding: 110px 0 32px;
}

.hero__card {
  background: linear-gradient(120deg, rgba(22, 163, 74, 0.15), rgba(249, 115, 22, 0.12));
  border: 1px solid var(--brand-border);
  border-radius: var(--brand-radius);
  padding: 32px;
  box-shadow: var(--brand-shadow);
}

.hero__title {
  font-size: clamp(28px, 4vw, 42px);
  margin: 0 0 12px;
}

.hero__subtitle {
  margin: 0;
  color: var(--brand-text-secondary);
  font-size: 18px;
}

.filters {
  margin: 28px 0 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  align-items: center;
}

.filters-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 12px;
}

.tag-more {
  border: 1px dashed rgba(22, 163, 74, 0.6);
  color: var(--brand-green);
  background: rgba(22, 163, 74, 0.08);
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tag-more:hover {
  background: rgba(22, 163, 74, 0.18);
}

.tag-button {
  border: 1px solid var(--brand-border);
  background: #fff;
  color: var(--brand-text-secondary);
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  line-height: 1.2;
}

.tag-button span {
  font-size: 12px;
  opacity: 0.75;
}

.tag-button.is-selected {
  border-color: var(--brand-green);
  color: var(--brand-green);
  background: var(--brand-green-light);
}

.tag-button.is-active,
.tag-button:hover {
  border-color: var(--brand-green);
  color: var(--brand-green);
  background: var(--brand-green-light);
}

.posts {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 20px;
  margin: 20px 0 60px;
}

.post-card {
  background: var(--brand-surface);
  border-radius: var(--brand-radius);
  border: 1px solid var(--brand-border);
  box-shadow: var(--brand-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.16);
}

.post-card__cover {
  aspect-ratio: 16 / 9;
  background: #0f172a;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.post-card__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.post-card__body {
  padding: 24px 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.post-card__meta {
  font-size: 12px;
  color: var(--brand-text-secondary);
  letter-spacing: 0.2px;
}

.post-card__title {
  font-size: 18px;
  margin: 4px 0 0;
}

.post-card__desc {
  margin: 2px 0 0;
  color: var(--brand-text-secondary);
  font-size: 14px;
}

.post-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  background: var(--brand-green-light);
  color: var(--brand-green-dark);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
}

.post-card__link {
  margin-top: auto;
  font-weight: 700;
  color: var(--brand-green);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.post-card__link span {
  display: inline-block;
  transition: transform 0.2s ease;
}

.post-card__link:hover span,
.post-card:hover .post-card__link span {
  transform: translateX(4px);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 12px 0 64px;
}

.pagination__info {
  font-size: 13px;
  color: var(--brand-text-secondary);
  margin: 0 12px;
}

.page-btn {
  border: 1px solid var(--brand-border);
  background: #fff;
  color: var(--brand-text-secondary);
  padding: 6px 12px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.page-btn:hover {
  border-color: var(--brand-green);
  color: var(--brand-green);
  background: var(--brand-green-light);
}

.page-btn.is-active {
  border-color: var(--brand-green);
  color: #fff;
  background: var(--brand-green);
}

.page-btn.is-disabled {
  opacity: 0.5;
  pointer-events: none;
}

.site-footer {
  background: #1f2937;
  color: #fff;
  padding: 32px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 24px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
}

.footer-logo img {
  width: 40px;
  height: 40px;
  border-radius: 999px;
}

.footer-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(229, 231, 235, 0.8);
  margin: 0 0 12px;
}

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

.footer-links a {
  color: rgba(229, 231, 235, 0.9);
}

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

.footer-bottom {
  margin-top: 24px;
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  padding-top: 16px;
  text-align: center;
  color: rgba(229, 231, 235, 0.7);
  font-size: 13px;
}

.article {
  padding: 110px 0 64px;
}

.article__header {
  margin-bottom: 24px;
}

.article__title {
  margin: 0 0 8px;
  font-size: clamp(28px, 4vw, 40px);
}

.article__meta {
  color: var(--brand-text-secondary);
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.article__cover {
  border-radius: var(--brand-radius);
  overflow: hidden;
  margin: 24px 0;
  box-shadow: var(--brand-shadow);
  width: 100%;
  height: clamp(240px, 45vw, 420px);
}

.article__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.article__content {
  font-size: 18px;
  line-height: 1.7;
  color: #0f172a;
}

.article__content h2 {
  margin-top: 28px;
  font-size: 24px;
}

.article__content ul {
  padding-left: 18px;
}

.article__cta {
  margin-top: 32px;
  padding: 18px;
  border-radius: var(--brand-radius);
  background: rgba(22, 163, 74, 0.12);
  border: 1px solid rgba(22, 163, 74, 0.24);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand-green);
  font-weight: 600;
}

.tag-drawer {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  align-items: stretch;
}

.tag-drawer.is-open {
  display: flex;
}

.tag-drawer__overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
}

.tag-drawer__panel {
  position: relative;
  margin-left: auto;
  width: min(420px, 100%);
  background: #fff;
  box-shadow: -12px 0 30px rgba(15, 23, 42, 0.2);
  display: flex;
  flex-direction: column;
  padding: 24px;
  gap: 16px;
}

.tag-drawer__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.tag-drawer__header h2 {
  margin: 0 0 6px;
  font-size: 20px;
}

.tag-drawer__close {
  border: 1px solid var(--brand-border);
  background: #fff;
  padding: 6px 12px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
}

.tag-drawer__search {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.tag-drawer__search input {
  border: 1px solid var(--brand-border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  outline: none;
}

.tag-drawer__search input:focus {
  border-color: var(--brand-green);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15);
}

.tag-drawer__clear {
  border: 1px solid var(--brand-border);
  background: #f8fafc;
  padding: 10px 12px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
}

.tag-drawer__list {
  display: grid;
  gap: 10px;
  overflow-y: auto;
  padding-bottom: 8px;
}

.tag-drawer__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--brand-border);
  cursor: pointer;
  transition: all 0.2s ease;
}

.tag-drawer__item:hover {
  border-color: var(--brand-green);
  background: var(--brand-green-light);
}

.tag-drawer__item.is-active {
  border-color: var(--brand-green);
  background: rgba(22, 163, 74, 0.12);
  color: var(--brand-green-dark);
}

.tag-drawer__count {
  font-size: 12px;
  color: var(--brand-text-secondary);
}

@media (max-width: 640px) {
  .hero__card {
    padding: 22px;
  }

  .article__content {
    font-size: 16px;
  }

  .filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 6px;
  }

  .filters::-webkit-scrollbar {
    height: 6px;
  }

  .filters::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.6);
    border-radius: 999px;
  }

  .filters-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .tag-drawer__panel {
    width: 100%;
    border-top-left-radius: 18px;
    border-top-right-radius: 18px;
    margin-top: auto;
  }
}

@media (min-width: 768px) {
  .header-nav,
  .header-actions {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .posts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .posts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}