:root {
  color-scheme: light;
  --bg: #f6f5f1;
  --surface: #ffffff;
  --surface-strong: #eef3f0;
  --text: #17211d;
  --muted: #64736b;
  --line: #dbe2dc;
  --accent: #166a5b;
  --accent-strong: #0d4d43;
  --accent-soft: #d7ebe5;
  --warning: #b46b2a;
  --shadow: 0 18px 50px rgba(23, 33, 29, 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;
}

button,
input {
  font: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 24px;
  justify-content: space-between;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(246, 245, 241, 0.9);
  border-bottom: 1px solid rgba(219, 226, 220, 0.82);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: max-content;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--text);
  color: #fff;
  font-weight: 800;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 6px;
  max-width: 780px;
  overflow-x: auto;
  padding: 5px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.nav a {
  flex: 0 0 auto;
  border-radius: 6px;
  color: var(--muted);
  font-size: 14px;
  padding: 8px 12px;
  text-decoration: none;
}

.nav a:hover,
.nav a.is-active {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.icon-button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
  padding: 10px 16px;
  text-decoration: none;
}

.icon-button:hover,
.button:hover {
  background: var(--accent-strong);
}

.button--secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
}

.button--secondary:hover {
  background: var(--surface-strong);
}

main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.section {
  scroll-margin-top: 98px;
  padding: 72px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 28px;
  align-items: stretch;
  min-height: calc(100vh - 76px);
}

.hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 20px;
  font-size: clamp(42px, 7vw, 86px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.06;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 20px;
  line-height: 1.2;
}

.hero__text {
  max-width: 680px;
  color: var(--muted);
  font-size: 19px;
}

.section-copy {
  max-width: 740px;
  color: var(--muted);
  margin-bottom: 0;
}

.hero__actions,
.section-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.progress-card,
.info-card,
.timeline article,
.checklist-section,
.accordion__item,
.person-card,
.contact-card,
.tip-card,
.finish-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.progress-card {
  align-self: center;
  padding: 28px;
}

.progress-card__label {
  display: block;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 6px;
}

.progress-card strong {
  display: block;
  font-size: 56px;
  line-height: 1;
}

.progress {
  height: 12px;
  overflow: hidden;
  margin: 20px 0 14px;
  background: var(--surface-strong);
  border-radius: 999px;
}

.progress span {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--warning));
  border-radius: inherit;
  transition: width 240ms ease;
}

.progress-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 16px;
}

.info-card {
  padding: 22px;
}

.info-card h2,
.info-card h3,
.person-card h3,
.contact-card h3,
.tip-card h3,
.finish-card h3 {
  font-size: 21px;
  line-height: 1.18;
  margin-bottom: 10px;
}

.info-card__icon {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 36px;
  margin-bottom: 22px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 800;
}

.info-card p,
.timeline p,
.accordion p,
.split > div:first-child p,
.person-card p,
.contact-card p,
.tip-card p,
.finish p {
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.card-grid--four {
  grid-template-columns: repeat(4, 1fr);
}

.tag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  margin-bottom: 18px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
}

.split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 42px;
  align-items: start;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline article {
  position: relative;
  padding: 22px 22px 22px 72px;
}

.timeline article::before {
  position: absolute;
  left: 24px;
  top: 28px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 7px solid var(--accent);
  content: "";
}

.timeline span {
  color: var(--warning);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.checklist-section {
  padding: 34px;
}

.section-heading {
  justify-content: space-between;
  margin-bottom: 22px;
}

.checklist {
  display: grid;
  gap: 10px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding: 12px 14px;
  background: var(--surface-strong);
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
}

.check-item:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.check-item input {
  width: 20px;
  height: 20px;
  accent-color: var(--accent);
}

.check-item span {
  font-weight: 650;
}

.check-item input:checked + span {
  color: var(--accent-strong);
  text-decoration: line-through;
}

.people-list {
  display: grid;
  gap: 14px;
}

.person-card,
.contact-card,
.tip-card,
.finish-card {
  padding: 22px;
}

.person-card span {
  display: block;
  color: var(--warning);
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.contact-layout {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.contact-card--primary {
  background: var(--text);
  color: #fff;
}

.contact-card--primary p {
  color: rgba(255, 255, 255, 0.78);
}

.contact-card p:last-child,
.tip-card p:last-child,
.finish-card p:last-child {
  margin-bottom: 0;
}

.tip-card {
  background: linear-gradient(180deg, #ffffff, #f9fbf8);
}

.finish {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 28px;
  align-items: center;
}

.finish > p,
.finish > h2,
.finish > .eyebrow {
  grid-column: 1;
}

.finish-card {
  grid-column: 2;
  grid-row: 1 / span 3;
}

.accordion {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.accordion__item {
  overflow: hidden;
}

.accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 66px;
  padding: 18px 22px;
  background: transparent;
  border: 0;
  color: var(--text);
  cursor: pointer;
  font-weight: 800;
  text-align: left;
}

.accordion__trigger span:last-child {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.accordion__trigger[aria-expanded="true"] span:last-child {
  transform: rotate(45deg);
}

.accordion__panel {
  padding: 0 22px 20px;
}

.footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 46px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 860px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
  }

  .hero,
  .split,
  .intro-grid,
  .card-grid,
  .card-grid--four,
  .contact-layout,
  .finish {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 46px;
  }

  .progress-card {
    align-self: stretch;
  }

  .finish > p,
  .finish > h2,
  .finish > .eyebrow,
  .finish-card {
    grid-column: auto;
    grid-row: auto;
  }
}

@media (max-width: 560px) {
  main,
  .footer {
    width: min(100% - 24px, 1120px);
  }

  .section {
    padding: 48px 0;
  }

  .hero__actions,
  .button,
  .icon-button {
    width: 100%;
  }

  .checklist-section {
    padding: 22px;
  }
}

@media print {
  .topbar,
  .hero__actions,
  .section-heading button {
    display: none;
  }

  body {
    background: #fff;
  }

  main,
  .footer {
    width: 100%;
  }

  .section {
    break-inside: avoid;
    padding: 24px 0;
  }

  .progress-card,
  .info-card,
  .timeline article,
  .checklist-section,
  .accordion__item,
  .person-card,
  .contact-card,
  .tip-card,
  .finish-card {
    box-shadow: none;
  }

  .accordion__panel[hidden] {
    display: block;
  }
}