:root {
  --sothik-font-ui: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --sothik-font-heading: "Dosis", "Trebuchet MS", sans-serif;
  --color-ink: #15211f;
  --color-muted: #5e6b68;
  --color-line: #dce6e2;
  --color-soft: #f4f8f6;
  --color-green: #0f6b4b;
  --color-blue: #174f8a;
  --color-yellow: #f4b63f;
  --color-red: #b54747;
  --color-white: #ffffff;
  --shadow-soft: 0 18px 50px rgba(21, 33, 31, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sothik-font-ui);
  color: var(--color-ink);
  background: var(--color-white);
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sothik-font-heading);
  font-size: 26px;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-green), var(--color-blue));
  font-family: var(--sothik-font-ui);
  font-size: 15px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 600;
}

.nav-links a {
  color: var(--color-muted);
  text-decoration: none;
}

.nav-links a.button-primary {
  color: var(--color-white);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.button-primary {
  color: var(--color-white);
  background: var(--color-green);
}

.button-secondary {
  color: var(--color-green);
  border-color: var(--color-line);
  background: var(--color-white);
}

.hero {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(360px, 1.06fr);
  align-items: center;
  gap: 56px;
  padding: 48px 0 42px;
}

.hero h1,
.section-heading h2,
.software h2,
.timeline h2 {
  margin: 0;
  font-family: var(--sothik-font-heading);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 620px;
  font-size: clamp(56px, 7vw, 104px);
}

.hero p {
  max-width: 600px;
  margin: 22px 0 0;
  color: var(--color-muted);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 42px;
  max-width: 600px;
}

.hero-proof div {
  border-top: 2px solid var(--color-line);
  padding-top: 12px;
}

.hero-proof strong {
  display: block;
  font-family: var(--sothik-font-heading);
  font-size: 30px;
  line-height: 1.1;
}

.hero-proof span {
  display: block;
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 600;
}

.command-board {
  border: 1px solid var(--color-line);
  border-radius: 8px;
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.board-topbar {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-soft);
  font-weight: 700;
}

.board-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  min-height: 460px;
}

.board-list,
.board-side {
  padding: 20px;
}

.board-list {
  border-right: 1px solid var(--color-line);
}

.board-row {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-line);
}

.board-row:last-child {
  border-bottom: 0;
}

.date-box {
  height: 58px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: var(--color-white);
  background: var(--color-blue);
  font-weight: 800;
}

.board-row h3 {
  margin: 0 0 4px;
  font-size: 17px;
  line-height: 1.25;
}

.board-row p,
.checklist li,
.source-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.checklist li::before {
  content: "";
  width: 10px;
  height: 10px;
  flex: 0 0 10px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--color-yellow);
}

.source-card {
  margin-top: 24px;
  padding: 18px;
  border-radius: 8px;
  background: #eaf4ef;
  border: 1px solid #cbe1d8;
}

.source-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--color-green);
}

.section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 76px 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.section-heading h2,
.software h2,
.timeline h2 {
  font-size: clamp(34px, 4vw, 56px);
}

.section-heading p {
  max-width: 520px;
  margin: 0;
  color: var(--color-muted);
}

.search-panel {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto;
  gap: 12px;
  margin-bottom: 18px;
}

.search-panel input {
  min-height: 52px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 0 16px;
  font: 600 15px var(--sothik-font-ui);
}

.count-chip {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  border-radius: 8px;
  background: var(--color-soft);
  color: var(--color-muted);
  font-weight: 700;
}

.category-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.category-strip button {
  min-height: 40px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 0 14px;
  background: var(--color-white);
  color: var(--color-muted);
  font: 700 13px var(--sothik-font-ui);
  cursor: pointer;
}

.category-strip .is-active {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: var(--color-white);
}

.notice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.notice-card {
  min-height: 330px;
  display: flex;
  flex-direction: column;
  padding: 20px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  background: var(--color-white);
}

.notice-card__top,
.notice-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.notice-card__top span,
.notice-card__top strong {
  font-size: 12px;
  font-weight: 800;
  color: var(--color-blue);
}

.notice-card h3 {
  margin: 18px 0 8px;
  font-size: 21px;
  line-height: 1.25;
}

.notice-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.notice-card dl {
  margin: 20px 0;
  display: grid;
  gap: 10px;
}

.notice-card dl div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
}

.notice-card dt {
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 700;
}

.notice-card dd {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
}

.notice-card__footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--color-line);
}

.notice-card__footer span {
  color: var(--color-red);
  font-size: 13px;
  font-weight: 800;
}

.notice-card__footer a {
  color: var(--color-green);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.timeline,
.software {
  background: var(--color-soft);
}

.timeline-inner,
.software-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 76px 0;
}

.timeline-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.timeline-item {
  min-height: 170px;
  padding: 18px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  background: var(--color-white);
}

.timeline-item strong {
  display: block;
  color: var(--color-green);
  font-size: 14px;
}

.timeline-item h3 {
  margin: 14px 0 8px;
  font-size: 19px;
}

.timeline-item p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.software-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: start;
}

.software p {
  color: var(--color-muted);
}

.module-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: 8px;
  background: var(--color-white);
}

.module-table th,
.module-table td {
  padding: 15px;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}

.module-table th {
  color: var(--color-muted);
  background: #f9fbfa;
  font-size: 12px;
  text-transform: uppercase;
}

.module-table tr:last-child td {
  border-bottom: 0;
}

.footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: var(--color-muted);
  font-size: 14px;
}

.footer a {
  color: var(--color-green);
  font-weight: 700;
  text-decoration: none;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 32px;
  border: 1px solid var(--color-line);
  border-radius: 8px;
}

@media (max-width: 980px) {
  .nav {
    min-height: auto;
    padding: 16px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero,
  .software-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .notice-grid,
  .timeline-track {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .hero h1 {
    font-size: 56px;
  }

  .hero-proof,
  .board-grid,
  .notice-grid,
  .timeline-track,
  .search-panel {
    grid-template-columns: 1fr;
  }

  .board-list {
    border-right: 0;
    border-bottom: 1px solid var(--color-line);
  }

  .section-heading,
  .footer {
    align-items: flex-start;
    flex-direction: column;
  }
}