:root {
  --bg: #f6f4ec;
  --bg-soft: rgba(255, 255, 255, 0.72);
  --ink: #173127;
  --muted: #55665f;
  --line: rgba(23, 49, 39, 0.12);
  --line-strong: rgba(23, 49, 39, 0.22);
  --forest: #1f6a4b;
  --moss: #5d7a52;
  --sand: #d49a3b;
  --lake: #246a73;
  --card: rgba(255, 255, 255, 0.82);
  --shadow: 0 22px 48px rgba(19, 43, 35, 0.12);
  --shadow-soft: 0 14px 30px rgba(19, 43, 35, 0.08);
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: "Source Sans 3", "PingFang SC", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 12%, rgba(210, 232, 197, 0.78), transparent 28%),
    radial-gradient(circle at 92% 8%, rgba(255, 223, 163, 0.82), transparent 26%),
    linear-gradient(180deg, #fcfaf4 0%, var(--bg) 28%, #f2efe4 100%);
  line-height: 1.7;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.22) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: 0.38;
  pointer-events: none;
}

.page-glow {
  position: fixed;
  z-index: -1;
  border-radius: 999px;
  filter: blur(58px);
  opacity: 0.36;
  pointer-events: none;
}

.glow-a {
  width: 320px;
  height: 320px;
  top: -80px;
  right: -60px;
  background: rgba(76, 150, 120, 0.52);
}

.glow-b {
  width: 300px;
  height: 300px;
  left: -90px;
  bottom: 10%;
  background: rgba(219, 166, 71, 0.44);
}

a {
  color: inherit;
}

.container {
  width: min(1240px, calc(100% - 36px));
  margin: 0 auto;
}

.hero-shell {
  padding: 26px 0 42px;
}

.site-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 18px;
}

.home-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 16px;
  border-radius: 999px;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
  font-weight: 700;
}

.site-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.page-tools {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}

.lang-btn {
  border: 0;
  background: transparent;
  color: #4f625a;
  padding: 8px 14px;
  border-radius: 999px;
  font: inherit;
  font-size: 0.94rem;
  font-weight: 800;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.lang-btn:hover {
  transform: translateY(-1px);
  color: #1c4e39;
}

.lang-btn.is-active {
  background: linear-gradient(135deg, #215e45, #1f6a4b);
  color: #fff;
  box-shadow: 0 8px 16px rgba(31, 106, 75, 0.2);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 22px;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.tag-rail,
.control-panel,
.resource-section,
.methodology {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.58);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-copy,
.hero-panel {
  border-radius: 28px;
  padding: 30px;
}

.tag-rail {
  margin-top: 18px;
  border-radius: 28px;
  padding: 22px 24px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--forest);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
  font-weight: 700;
}

.hero-copy h1,
.control-head h2,
.methodology h2,
.legend-card h2,
.resource-section h2 {
  font-family: "Fraunces", "Source Serif 4", serif;
  line-height: 1.08;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.2rem);
}

.hero-lead {
  margin: 16px 0 0;
  color: #294338;
  font-size: 1.12rem;
  max-width: 56rem;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.hero-actions-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.tag-rail-head h2 {
  margin: 0;
  font-family: "Fraunces", "Source Serif 4", serif;
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  line-height: 1.15;
}

.tag-nav-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.tag-nav-btn {
  border: 1px solid rgba(23, 49, 39, 0.1);
  background: rgba(255, 255, 255, 0.92);
  color: #25483c;
  min-height: 40px;
  padding: 8px 14px;
  border-radius: 999px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}

.tag-nav-btn:hover {
  transform: translateY(-1px);
  background: rgba(31, 106, 75, 0.09);
  border-color: rgba(31, 106, 75, 0.24);
  box-shadow: 0 10px 18px rgba(31, 106, 75, 0.08);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

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

.hero-cta-primary {
  color: #fff;
  background: linear-gradient(135deg, #215e45, #1f6a4b);
  box-shadow: 0 14px 24px rgba(31, 106, 75, 0.18);
}

.hero-cta-secondary {
  color: #204635;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(23, 49, 39, 0.12);
}

.hero-tags span,
.filter-chip,
.meta-tag {
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
}

.hero-tags span {
  padding: 7px 12px;
  font-weight: 700;
  color: #1d5a40;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.stat-card {
  padding: 16px;
  border-radius: 20px;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.92), rgba(239, 246, 239, 0.78));
  border: 1px solid rgba(31, 106, 75, 0.12);
}

.stat-card strong {
  display: block;
  font-size: 1.8rem;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-card span {
  color: var(--muted);
  font-size: 0.96rem;
}

.legend-card {
  margin-top: 14px;
  padding: 18px 18px 6px;
  border-radius: 20px;
  background: rgba(243, 248, 241, 0.86);
  border: 1px solid rgba(31, 106, 75, 0.12);
}

.legend-card h2 {
  margin: 0 0 10px;
  font-size: 1.25rem;
}

.legend-card p,
.legend-card li {
  color: #395047;
}

.legend-card ul {
  margin: 10px 0 0;
  padding-left: 18px;
}

.hero-panel {
  display: grid;
  gap: 14px;
}

.featured-panel {
  padding: 18px;
  border-radius: 22px;
  background:
    linear-gradient(165deg, rgba(29, 90, 64, 0.95), rgba(20, 63, 58, 0.92)),
    radial-gradient(circle at top right, rgba(255, 216, 138, 0.3), transparent 35%);
  color: #eff7f1;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.featured-panel .eyebrow,
.featured-panel h2 {
  color: #f8fcf8;
}

.featured-panel-head h2 {
  margin: 0;
  font-size: 1.28rem;
}

.featured-stack {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.featured-item {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-decoration: none;
}

.featured-item:hover {
  background: rgba(255, 255, 255, 0.12);
}

.featured-topic {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(241, 247, 243, 0.72);
  font-weight: 700;
}

.featured-item strong {
  font-size: 1rem;
  line-height: 1.35;
}

.featured-item span:last-child {
  color: rgba(241, 247, 243, 0.86);
  font-size: 0.92rem;
}

.main-shell {
  padding-bottom: 44px;
}

.intro-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.intro-strip article {
  padding: 18px 18px 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(23, 49, 39, 0.09);
  box-shadow: var(--shadow-soft);
}

.intro-strip h2 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--forest);
}

.intro-strip p {
  margin: 0;
  color: #395047;
}

.workspace-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.side-rail {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 16px;
}

.side-card {
  padding: 20px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(23, 49, 39, 0.08);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
}

.side-card-soft {
  background: linear-gradient(180deg, rgba(247, 250, 246, 0.94), rgba(255, 249, 239, 0.86));
}

.side-card-head h2 {
  font-family: "Fraunces", "Source Serif 4", serif;
  margin: 0;
  font-size: 1.3rem;
  line-height: 1.15;
}

.topic-navigator,
.toggle-group {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.topic-link {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 18px;
  border: 1px solid rgba(23, 49, 39, 0.08);
  background: rgba(255, 255, 255, 0.92);
  color: #223c32;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.topic-link:hover,
.topic-link.is-active {
  transform: translateY(-1px);
  background: rgba(31, 106, 75, 0.1);
  border-color: rgba(31, 106, 75, 0.24);
}

.topic-link-label {
  display: grid;
  gap: 2px;
}

.topic-link-label strong {
  font-size: 0.96rem;
}

.topic-link-label span {
  font-size: 0.84rem;
  color: #5a6b63;
}

.topic-link-count {
  flex: 0 0 auto;
  min-width: 36px;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(31, 106, 75, 0.12);
  font-weight: 800;
  color: #1d5a40;
}

.toggle-card {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(23, 49, 39, 0.08);
  background: rgba(255, 255, 255, 0.84);
  cursor: pointer;
}

.toggle-card input {
  margin-top: 4px;
  accent-color: #1f6a4b;
}

.toggle-copy {
  display: grid;
  gap: 4px;
}

.toggle-copy strong {
  font-size: 0.96rem;
}

.toggle-copy small {
  color: #5b6d64;
  font-size: 0.84rem;
}

.content-rail {
  display: grid;
  gap: 18px;
}

.control-panel {
  border-radius: 28px;
  padding: 26px;
}

.control-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
}

.control-head h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
}

.control-caption {
  margin: 0;
  color: var(--muted);
  font-weight: 600;
}

.control-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.clear-btn {
  border: 1px solid rgba(23, 49, 39, 0.12);
  background: rgba(255, 255, 255, 0.92);
  color: #274236;
  min-height: 40px;
  padding: 8px 14px;
  border-radius: 999px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.clear-btn:hover {
  background: rgba(31, 106, 75, 0.08);
}

.control-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 14px;
  margin-top: 18px;
}

.search-box,
.sort-box {
  display: grid;
  gap: 8px;
  color: #2f433b;
  font-weight: 700;
}

.search-box input,
.sort-box select {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  font: inherit;
  color: var(--ink);
}

.search-box input:focus,
.sort-box select:focus {
  outline: 2px solid rgba(31, 106, 75, 0.22);
  border-color: rgba(31, 106, 75, 0.36);
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.workflow-panel {
  margin-top: 18px;
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(245, 248, 238, 0.92), rgba(255, 255, 255, 0.94));
  border: 1px solid rgba(23, 49, 39, 0.08);
}

.workflow-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
}

.workflow-head h3,
.guide-head h2,
.guide-copy h3 {
  margin: 0;
}

.workflow-hint,
.guide-lead {
  margin: 0;
  max-width: 34rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.workflow-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.workflow-chip {
  display: grid;
  gap: 6px;
  text-align: left;
  padding: 14px 15px;
  border-radius: 18px;
  border: 1px solid rgba(23, 49, 39, 0.11);
  background: rgba(255, 255, 255, 0.95);
  color: #234237;
  font: inherit;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.workflow-chip strong {
  font-size: 0.96rem;
}

.workflow-chip small {
  color: #5c6d66;
  font-size: 0.82rem;
  line-height: 1.45;
}

.workflow-chip:hover,
.workflow-chip.is-active {
  transform: translateY(-1px);
  background: rgba(31, 106, 75, 0.1);
  border-color: rgba(31, 106, 75, 0.26);
  box-shadow: 0 10px 18px rgba(31, 106, 75, 0.08);
}

.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  min-height: 20px;
}

.active-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(31, 106, 75, 0.09);
  border: 1px solid rgba(31, 106, 75, 0.12);
  color: #1d5a40;
  font-size: 0.88rem;
  font-weight: 800;
}

.filter-chip {
  border: 1px solid rgba(23, 49, 39, 0.11);
  padding: 9px 14px;
  font: inherit;
  font-weight: 700;
  color: #3e5049;
  cursor: pointer;
  transition: transform 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.filter-chip:hover,
.filter-chip.is-active {
  transform: translateY(-1px);
  background: rgba(31, 106, 75, 0.12);
  border-color: rgba(31, 106, 75, 0.28);
  color: #174b35;
}

.guide-panel {
  border-radius: 28px;
  padding: 24px;
  background: linear-gradient(180deg, rgba(255, 252, 245, 0.92), rgba(250, 247, 240, 0.96));
  border: 1px solid rgba(92, 73, 24, 0.09);
  box-shadow: var(--shadow-soft);
}

.guide-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.guide-card {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(23, 49, 39, 0.08);
}

.guide-card-top,
.guide-questions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.guide-action-meta {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(36, 106, 115, 0.08);
  border: 1px solid rgba(36, 106, 115, 0.14);
  color: #23565d;
  font-size: 0.82rem;
  font-weight: 800;
}

.guide-copy {
  display: grid;
  gap: 8px;
}

.guide-copy p {
  margin: 0;
  color: #42564d;
}

.guide-section-label {
  margin: 0;
  width: 100%;
  color: #7b5c1f;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.guide-question {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(214, 171, 88, 0.13);
  border: 1px solid rgba(212, 154, 59, 0.2);
  color: #6a4c12;
  font-size: 0.85rem;
  font-weight: 700;
}

.guide-action {
  justify-self: start;
  min-height: 40px;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid rgba(23, 49, 39, 0.11);
  background: rgba(255, 255, 255, 0.96);
  color: #224538;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.guide-action:hover {
  transform: translateY(-1px);
  border-color: rgba(31, 106, 75, 0.24);
  box-shadow: 0 10px 18px rgba(31, 106, 75, 0.08);
}

.resource-shell {
  margin-top: 18px;
  display: grid;
  gap: 18px;
}

.resource-section {
  border-radius: 28px;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.resource-section::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(180deg, var(--forest), var(--sand));
  opacity: 0.85;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
  margin-bottom: 16px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2vw, 1.9rem);
}

.section-head p {
  margin: 8px 0 0;
  color: var(--muted);
  max-width: 50rem;
}

.section-count {
  color: var(--muted);
  font-weight: 700;
  white-space: nowrap;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.resource-card {
  display: grid;
  gap: 14px;
  padding: 20px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(246, 250, 244, 0.9));
  border: 1px solid rgba(23, 49, 39, 0.09);
  box-shadow: var(--shadow-soft);
  min-height: 100%;
  position: relative;
}

.resource-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.card-top,
.card-actions,
.meta-tags,
.card-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.card-top {
  justify-content: space-between;
  align-items: flex-start;
}

.card-top-left {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.heat-badge,
.date-badge,
.topic-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 800;
}

.heat-badge {
  color: #fff;
  background: linear-gradient(135deg, var(--forest), var(--lake));
}

.date-badge {
  color: #365148;
  background: rgba(31, 106, 75, 0.09);
  border: 1px solid rgba(31, 106, 75, 0.12);
}

.topic-badge {
  color: #20453a;
  background: rgba(219, 166, 71, 0.14);
  border: 1px solid rgba(212, 154, 59, 0.22);
}

.resource-card h3 {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.28;
}

.resource-org {
  margin: -8px 0 0;
  color: #5c6d65;
  font-weight: 700;
  font-size: 0.95rem;
}

.resource-card p {
  margin: 0;
  color: #385047;
}

.card-summary {
  display: grid;
  gap: 10px;
}

.card-use-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.use-label {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 2px 5px 0;
  color: #48635a;
  font-size: 0.84rem;
  font-weight: 800;
}

.use-case {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(36, 106, 115, 0.08);
  border: 1px solid rgba(36, 106, 115, 0.14);
  color: #23565d;
  font-size: 0.84rem;
  font-weight: 700;
}

.fact {
  padding: 8px 10px;
  border-radius: 14px;
  background: rgba(31, 106, 75, 0.06);
  color: #244234;
  font-size: 0.93rem;
}

.meta-tag {
  padding: 6px 10px;
  color: #3a5048;
  font-size: 0.86rem;
  font-weight: 700;
}

.learning-resources {
  display: grid;
  gap: 10px;
  padding: 14px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(233, 244, 237, 0.78), rgba(247, 251, 246, 0.92));
  border: 1px solid rgba(31, 106, 75, 0.11);
}

.learning-heading {
  margin: 0;
  color: #25483c;
  font-size: 0.92rem;
  font-weight: 900;
  letter-spacing: 0.01em;
}

.learning-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.learning-link {
  display: grid;
  gap: 6px;
  min-height: 100%;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(23, 49, 39, 0.09);
  text-decoration: none;
  color: #1f4037;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.learning-link:hover {
  transform: translateY(-1px);
  border-color: rgba(31, 106, 75, 0.2);
  box-shadow: 0 10px 18px rgba(31, 106, 75, 0.08);
}

.learning-kind {
  color: #1f6a4b;
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.learning-note {
  color: #425951;
  font-size: 0.9rem;
  line-height: 1.45;
}

.card-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 14px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.primary-link {
  background: linear-gradient(135deg, #215e45, #1f6a4b);
  color: #fff;
  box-shadow: 0 10px 18px rgba(31, 106, 75, 0.18);
}

.secondary-link {
  background: rgba(255, 255, 255, 0.92);
  color: #204635;
  border: 1px solid rgba(23, 49, 39, 0.11);
}

.card-actions a:hover {
  transform: translateY(-1px);
}

.empty-state {
  padding: 30px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px dashed rgba(23, 49, 39, 0.16);
  color: #455850;
  text-align: center;
}

.methodology {
  border-radius: 28px;
  padding: 24px;
}

.methodology h2 {
  margin: 0;
  font-size: clamp(1.45rem, 2.2vw, 2rem);
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.method-grid article {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(23, 49, 39, 0.08);
}

.method-grid h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--forest);
}

.method-grid p {
  margin: 0;
  color: #3c4f48;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 22px 0 34px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  color: var(--muted);
}

.footer-inner p {
  margin: 0;
}

.footer-inner a {
  font-weight: 700;
}

@media (max-width: 1080px) {
  .hero-grid,
  .card-grid,
  .intro-strip,
  .method-grid,
  .guide-grid {
    grid-template-columns: 1fr;
  }

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

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

  .workspace-shell {
    grid-template-columns: 1fr;
  }

  .side-rail {
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .footer-inner,
  .site-bar,
  .section-head,
  .control-head,
  .page-tools,
  .workflow-head,
  .guide-head {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 20px, 1240px);
  }

  .hero-copy,
  .hero-panel,
  .tag-rail,
  .side-card,
  .control-panel,
  .guide-panel,
  .resource-section,
  .methodology {
    border-radius: 22px;
    padding: 20px;
  }

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

  .side-rail {
    grid-template-columns: 1fr;
  }

  .resource-card {
    padding: 16px;
  }

  .workflow-row,
  .learning-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    font-size: clamp(2rem, 11vw, 2.8rem);
  }

  .hero-actions-bar,
  .control-summary {
    width: 100%;
  }
}