:root {
  --bg: #f2f2f0;
  --surface: #ffffff;
  --text: #111111;
  --muted: #6b6b6b;
  --border: rgba(17, 17, 17, 0.12);
  --accent: #e07040;
  --high: #111111;
  --medium: #444444;
  --low: #888888;
  --radius-sm: 12px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --page-width: 1120px;
  --header-height: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

button,
input {
  font: inherit;
}

.page-wrap {
  width: min(100% - 2rem, var(--page-width));
  margin-inline: auto;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(242, 242, 240, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
}

.logo {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  margin-inline: auto;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-btn[aria-expanded="true"] span:first-child {
  transform: translateY(4.5px) rotate(45deg);
}

.menu-btn[aria-expanded="true"] span:last-child {
  transform: translateY(-4.5px) rotate(-45deg);
}

.mobile-menu {
  display: grid;
  gap: 0.25rem;
  padding: 0 1rem 1rem;
  border-bottom: 1px solid var(--border);
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu a {
  padding: 0.85rem 0.25rem;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

/* Hero */

.hero {
  padding: 2.5rem 0 1rem;
}

.hero-tag {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.hero-tag::before {
  content: "✓ ";
}

.hero-title {
  margin: 0;
  max-width: 14ch;
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.hero-visual {
  position: relative;
  margin-top: 2rem;
}

.hero-photo {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center 42%;
  border-radius: var(--radius-lg);
  background: #ddd;
}

.hero-age-card {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  min-width: 17.5rem;
  max-width: min(100% - 2rem, 320px);
  padding: 1rem 1.25rem 1rem 1.1rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
}

.hero-age-label {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-age-value {
  margin: 0.2rem 0 0;
  font-size: clamp(1.1rem, 3vw, 1.45rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.hero-age-detail {
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.hero-birthday {
  margin: 0.5rem 0 0;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
}

/* Pill nav */

.pill-nav {
  position: sticky;
  top: calc(var(--header-height) + 0.5rem);
  z-index: 90;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
  margin-top: 1.5rem;
  margin-bottom: 2rem;
  padding: 0.45rem;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 12px 40px rgba(17, 17, 17, 0.08);
}

.pill-link {
  padding: 0.65rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
  transition: background 0.15s ease, color 0.15s ease;
}

.pill-link:hover,
.pill-link.is-active {
  background: var(--bg);
  color: var(--text);
}

/* Panels / accordions */

.main-content {
  display: grid;
  gap: 0;
  padding-bottom: 4rem;
}

.panel {
  border-top: 1px solid var(--border);
}

.panel:last-child {
  border-bottom: 1px solid var(--border);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 1.35rem 0;
  border: none;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.panel-title {
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.panel-toggle {
  flex-shrink: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
}

.panel-head[aria-expanded="true"] .toggle-open,
.panel-head[aria-expanded="false"] .toggle-close {
  display: none;
}

.panel-body {
  padding-bottom: 2rem;
}

.panel-body[hidden] {
  display: none;
}

.panel-lead {
  margin: 0 0 1.5rem;
  max-width: 52ch;
  color: var(--muted);
  font-size: 1rem;
}

/* Health */

.health-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.health-group h3 {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.health-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.health-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.health-item-main {
  display: flex;
  gap: 0.75rem;
}

.health-status-icon {
  flex-shrink: 0;
  width: 1.1rem;
  margin-top: 0.15rem;
  font-weight: 700;
}

.health-item strong {
  display: block;
  font-size: 1rem;
  font-weight: 600;
}

.health-date {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.health-done {
  opacity: 0.55;
}

.health-done .health-status-icon {
  color: var(--text);
}

.health-today .health-status-icon {
  color: var(--accent);
}

.health-upcoming .health-status-icon {
  color: var(--muted);
}

.health-overdue strong {
  color: #b42318;
}

.health-countdown {
  flex-shrink: 0;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-pill);
  background: var(--bg);
  font-size: 0.78rem;
  font-weight: 700;
}

.health-today .health-countdown {
  background: var(--text);
  color: var(--surface);
}

/* Feeding */

.feeding-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.meta-pill {
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.88rem;
}

.meta-muted {
  color: var(--muted);
  font-weight: 500;
}

.schedule {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.schedule-day {
  display: grid;
  grid-template-columns: minmax(100px, 140px) 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.schedule-date {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
}

.schedule-meals {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.schedule-meals li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.schedule-meals time {
  color: var(--text);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.feeding-notes {
  margin-top: 1.25rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.feeding-notes summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
}

/* Topics grid — Port A1 project cards */

.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}

.topic {
  display: flex;
  flex-direction: column;
  min-height: 220px;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.topic:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(17, 17, 17, 0.06);
}

.topic-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.topic h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.topic-icon {
  font-size: 1.35rem;
  line-height: 1;
}

.priority {
  flex-shrink: 0;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.topic p {
  margin: 0 0 auto;
  font-size: 0.92rem;
  color: var(--muted);
}

.topic ul {
  margin: 1rem 0 0;
  padding-left: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

/* Checklist */

.checklist {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.checklist li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}

.checklist li.done span {
  text-decoration: line-through;
  color: var(--muted);
}

.checklist label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  cursor: pointer;
}

.checklist input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--text);
}

.checklist .remove {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 0.25rem;
}

.checklist .remove:hover {
  color: var(--text);
}

.checklist-add {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
}

.checklist-add input {
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface);
}

.checklist-add input:focus {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

.checklist-add button {
  padding: 0.85rem 1.25rem;
  border: none;
  border-radius: var(--radius-pill);
  background: var(--text);
  color: var(--surface);
  font-weight: 700;
  cursor: pointer;
}

.checklist-add button:hover {
  opacity: 0.88;
}

/* Footer */

.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.footer-brand {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.footer-copy {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

/* Responsive */

@media (min-width: 768px) {
  .menu-btn,
  .mobile-menu {
    display: none;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .hero-age-card {
    left: 1.5rem;
    bottom: 1.5rem;
    padding: 1.15rem 1.25rem;
  }

  .pill-link {
    padding: 0.7rem 1.15rem;
  }

  .panel-head {
    padding: 1.75rem 0;
  }
}

@media (max-width: 767px) {
  .schedule-day {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .health-item {
    flex-direction: column;
    gap: 0.5rem;
  }

  .hero-title {
    max-width: none;
  }
}

@media (min-width: 900px) {
  .pill-nav {
    width: fit-content;
    margin-inline: auto;
  }
}