:root {
  --bg: #ffffff;
  --text: #091324;
  --muted: #536175;
  --line: #d8e1ea;
  --soft: #f3f9fb;
  --mint: #eaf8f1;
  --green: #16885a;
  --blue: #2c7cc3;
  --coral: #d86c55;
  --shadow: 0 20px 50px rgba(17, 39, 64, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  width: min(1160px, calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0;
}

nav {
  display: flex;
  gap: 26px;
  font-size: 0.96rem;
  color: #1f2b3d;
}

nav a {
  text-decoration: none;
  padding-block: 24px 20px;
  border-bottom: 3px solid transparent;
}

nav a:focus-visible,
nav a:hover {
  border-color: var(--green);
  outline: none;
}

main {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  min-height: 520px;
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(420px, 1.18fr);
  align-items: stretch;
  gap: 40px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 72px 0 84px;
}

h1 {
  margin: 0;
  max-width: 600px;
  font-size: clamp(2.85rem, 5.4vw, 4.9rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy p {
  max-width: 540px;
  margin: 26px 0 30px;
  color: var(--muted);
  font-size: 1.28rem;
}

.primary-action {
  width: fit-content;
  min-width: 220px;
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--green);
  color: #ffffff;
  text-decoration: none;
  font-size: 1.08rem;
  font-weight: 800;
  box-shadow: 0 12px 24px rgba(22, 136, 90, 0.22);
}

.primary-action:focus-visible,
.primary-action:hover {
  background: #0e724a;
  outline: 3px solid rgba(44, 124, 195, 0.28);
}

.hero-image {
  min-height: 500px;
  margin: 0;
  overflow: hidden;
  border-left: 1px solid var(--line);
}

.hero-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.planner-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  margin-top: -30px;
  position: relative;
  z-index: 1;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.checklist-panel,
.status-panel {
  padding: 34px;
}

.status-panel {
  border-left: 1px solid var(--line);
}

h2 {
  margin: 0 0 22px;
  font-size: 1.35rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.items {
  display: grid;
  gap: 12px;
}

.check-row {
  min-height: 62px;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: #172236;
  font-size: 1rem;
  font-weight: 650;
  cursor: pointer;
}

.check-row input {
  position: absolute;
  opacity: 0;
}

.box {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 2px solid #b7c1cb;
  border-radius: 6px;
  background: #ffffff;
}

.box::after {
  content: "";
  width: 12px;
  height: 7px;
  border-left: 3px solid #ffffff;
  border-bottom: 3px solid #ffffff;
  transform: rotate(-45deg) translateY(-1px);
  opacity: 0;
}

.check-row input:checked + .box {
  border-color: var(--green);
  background: var(--green);
}

.check-row input:checked + .box::after {
  opacity: 1;
}

.check-row:focus-within {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(44, 124, 195, 0.18);
}

.tip {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.status-card {
  min-height: 306px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 30px;
  border: 1px solid #cce1d7;
  border-radius: 8px;
  background: linear-gradient(135deg, #f4fbf8, #eef7ff);
  text-align: center;
}

.status-icon {
  width: 76px;
  height: 76px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--green);
  color: #ffffff;
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1;
}

.status-title {
  margin: 0;
  color: var(--green);
  font-size: 2rem;
  line-height: 1.1;
  font-weight: 850;
}

.status-copy {
  max-width: 330px;
  margin: 0;
  color: #415067;
}

.progress-track {
  width: min(100%, 320px);
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: #d7dde4;
}

.progress-track span {
  width: 40%;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--green);
  transition: width 180ms ease;
}

.progress-label {
  margin: 0;
  color: #4e5d73;
  font-size: 0.95rem;
}

.boundary {
  margin: 26px 0 34px;
  padding: 17px 22px;
  border: 1px solid #cbe3d4;
  border-radius: 8px;
  background: var(--mint);
  color: #24433a;
  text-align: center;
  font-weight: 680;
}

.why {
  margin-inline: calc(50% - 50vw);
  padding: 34px max(20px, calc((100vw - 1160px) / 2));
  background: var(--soft);
}

.why h2,
.resources h2 {
  margin-bottom: 22px;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.why article {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.why-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #dceffc;
  color: var(--blue);
  font-weight: 850;
}

h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.why p,
.resource-grid span {
  margin: 0;
  color: var(--muted);
}

.resources {
  padding: 34px 0 42px;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.resource-grid a {
  min-height: 170px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: center;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  text-decoration: none;
  background: #ffffff;
}

.resource-grid a::before {
  content: "";
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #d9f2e7, #d8ecfb);
}

.resource-grid a:focus-visible,
.resource-grid a:hover {
  border-color: var(--green);
  box-shadow: 0 12px 28px rgba(17, 39, 64, 0.08);
  outline: none;
}

footer {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

footer span {
  margin-right: auto;
}

footer a {
  text-decoration: none;
}

@media (max-width: 920px) {
  .site-header {
    min-height: auto;
    padding: 18px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  nav {
    width: 100%;
    gap: 18px;
    overflow-x: auto;
  }

  nav a {
    padding-block: 8px;
    white-space: nowrap;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .hero-copy {
    padding: 42px 0 0;
  }

  h1 {
    font-size: clamp(2.5rem, 13vw, 4rem);
  }

  .hero-copy p {
    font-size: 1.08rem;
  }

  .primary-action {
    width: 100%;
  }

  .hero-image {
    min-height: auto;
    border-left: 0;
    border-radius: 8px;
  }

  .hero-image img {
    aspect-ratio: 4 / 3;
  }

  .planner-shell {
    grid-template-columns: 1fr;
    margin-top: 26px;
  }

  .status-panel {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .checklist-panel,
  .status-panel {
    padding: 24px;
  }

  .why-grid,
  .resource-grid {
    grid-template-columns: 1fr;
  }

  footer {
    padding: 22px 0;
    flex-wrap: wrap;
  }
}

@media (max-width: 460px) {
  main,
  .site-header,
  footer {
    width: min(100% - 32px, 1160px);
  }

  .check-row {
    min-height: 58px;
    padding: 12px;
  }

  .status-title {
    font-size: 1.75rem;
  }
}