:root {
  --bg: #f4f7f2;
  --ink: #121816;
  --muted: #55615d;
  --paper: #ffffff;
  --paper-soft: #eef3ee;
  --line: #d8e0d7;
  --green: #0f705f;
  --green-dark: #08463c;
  --blue: #3657d9;
  --clay: #b64c2c;
  --gold: #c39022;
  --purple: #6d45c7;
  --shadow: 0 22px 54px rgba(37, 45, 41, 0.13);
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    linear-gradient(90deg, rgba(18, 24, 22, 0.045) 1px, transparent 1px),
    linear-gradient(180deg, rgba(18, 24, 22, 0.04) 1px, transparent 1px),
    var(--bg);
  background-size: 56px 56px, 56px 56px, auto;
  color: var(--ink);
  font-family: Inter, "Avenir Next", "Segoe UI", sans-serif;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 20;
  transform: translateY(-80px);
  padding: 10px 14px;
  background: var(--ink);
  color: white;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.app-header,
main,
.app-footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
}

.home-link,
.header-actions a,
.button,
.ghost-button,
.filter-bar button,
.card-actions a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
}

.home-link {
  padding: 0 13px;
  border-color: var(--ink);
}

.home-link span {
  width: 10px;
  height: 10px;
  background: var(--green);
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.header-actions a {
  padding: 0 12px;
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 0.45fr);
  gap: 18px;
  padding: clamp(22px, 4vw, 48px);
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.72) 54%, rgba(225, 236, 232, 0.82) 100%),
    radial-gradient(circle at 85% 14%, rgba(54, 87, 217, 0.18), transparent 0 18rem),
    radial-gradient(circle at 74% 88%, rgba(182, 76, 44, 0.16), transparent 0 17rem);
  box-shadow: var(--shadow);
}

.hero-copy {
  display: grid;
  align-content: center;
  gap: 14px;
  min-width: 0;
  max-width: 760px;
}

.source-note {
  margin: 0;
  color: var(--green-dark);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: "Space Grotesk", Inter, sans-serif;
}

h1 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2.65rem, 6.2vw, 5.25rem);
  line-height: 0.92;
  letter-spacing: -0.055em;
}

.hero-copy > p:not(.source-note) {
  max-width: 42rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  padding: 0 16px;
}

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

.button-secondary {
  background: transparent;
}

.button-calendar {
  border-color: var(--blue);
  background: #eef1ff;
  color: #1f35a2;
  cursor: pointer;
}

.focus-panel,
.summary-strip article,
.university-card,
.timeline-panel,
.decision-panel,
.calendar-section,
.support-panel,
.sources-panel {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
}

.focus-panel {
  display: grid;
  gap: 16px;
  align-content: start;
  padding: 18px;
}

.focus-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.focus-panel-head span,
.status-pill,
.date-pill,
.university-meta span,
.choice-stack span,
.timeline-date {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ghost-button {
  min-height: 34px;
  padding: 0 10px;
  background: transparent;
}

.focus-panel h2,
.planner-section h2 {
  margin: 0;
  font-size: clamp(1.55rem, 3vw, 2.3rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.check-list {
  display: grid;
  gap: 8px;
}

.check-item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  align-items: start;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--paper-soft);
}

.check-item input {
  width: 20px;
  height: 20px;
  margin: 0;
  accent-color: var(--green);
}

.check-item strong,
.check-item span {
  display: block;
}

.check-item strong {
  margin-bottom: 4px;
  font-size: 0.95rem;
  line-height: 1.22;
}

.check-item span {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0 34px;
}

.summary-strip article {
  padding: 16px;
}

.summary-strip span {
  display: block;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.summary-strip strong {
  display: block;
  margin-top: 9px;
  font-size: 1.08rem;
  line-height: 1.18;
}

.summary-strip p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.4;
}

.planner-section {
  display: grid;
  gap: 16px;
  margin: 34px 0;
}

.calendar-section[hidden] {
  display: none;
}

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

.section-head.compact {
  align-items: start;
}

.section-head > div:first-child {
  display: grid;
  gap: 7px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.filter-bar button {
  padding: 0 12px;
  cursor: pointer;
}

.filter-bar button.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: white;
}

.university-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.university-card {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 16px;
  min-width: 0;
}

.university-card.is-priority {
  border-color: color-mix(in srgb, var(--green) 58%, var(--line));
  box-shadow: inset 4px 0 0 var(--green);
}

.university-top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.university-title {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.university-title h3 {
  margin: 0;
  font-size: 1.32rem;
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.university-title p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.35;
}

.status-pill,
.date-pill {
  display: inline-flex;
  width: fit-content;
  min-height: 28px;
  align-items: center;
  padding: 0 9px;
  border: 1px solid var(--line);
  background: var(--paper-soft);
  white-space: nowrap;
}

.status-pill.oxbridge {
  border-color: rgba(54, 87, 217, 0.36);
  color: var(--blue);
}

.status-pill.nearby {
  border-color: rgba(15, 112, 95, 0.36);
  color: var(--green);
}

.status-pill.safety {
  border-color: rgba(109, 69, 199, 0.32);
  color: var(--purple);
}

.open-days-list {
  display: grid;
  gap: 7px;
}

.open-day-row {
  display: grid;
  grid-template-columns: minmax(84px, 0.34fr) 1fr;
  gap: 10px;
  align-items: start;
  padding: 10px;
  background: var(--paper-soft);
}

.open-day-row strong {
  font-size: 0.9rem;
  line-height: 1.2;
}

.open-day-row span {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.university-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.university-meta div {
  padding: 10px;
  border: 1px solid var(--line);
}

.university-meta strong {
  display: block;
  margin-top: 5px;
  font-size: 0.88rem;
  line-height: 1.25;
}

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

.card-actions a {
  flex: 1 1 118px;
  padding: 0 10px;
}

.card-actions a:first-child {
  border-color: var(--green);
  background: var(--green);
  color: white;
}

.note-list {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.note-list li {
  position: relative;
  padding-left: 16px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.38;
}

.note-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 6px;
  height: 6px;
  background: var(--clay);
}

.split-section {
  grid-template-columns: minmax(0, 1fr) minmax(330px, 0.38fr);
  align-items: start;
}

.timeline-panel,
.decision-panel,
.calendar-section,
.support-panel,
.sources-panel {
  padding: 18px;
}

.calendar-summary {
  max-width: 20rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.calendar-month {
  display: grid;
  gap: 10px;
  align-content: start;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--paper-soft);
}

.calendar-month h3 {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.calendar-events {
  display: grid;
  gap: 8px;
}

.calendar-event {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 10px;
  padding: 10px;
  border-left: 4px solid var(--green);
  background: white;
}

.calendar-event.oxbridge {
  border-left-color: var(--blue);
}

.calendar-event.deadline {
  border-left-color: var(--clay);
}

.calendar-event.prep {
  border-left-color: var(--gold);
}

.calendar-event.safety {
  border-left-color: var(--purple);
}

.calendar-event time {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1.25;
  text-transform: uppercase;
}

.calendar-event strong {
  display: block;
  font-size: 0.88rem;
  line-height: 1.22;
}

.calendar-event p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.35;
}

.timeline {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.timeline-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.timeline-copy {
  display: grid;
  gap: 5px;
}

.timeline-copy strong {
  font-size: 1rem;
  line-height: 1.25;
}

.timeline-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.choice-stack,
.question-grid,
.source-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.choice-stack div,
.question-card,
.source-list a {
  padding: 13px;
  border: 1px solid var(--line);
  background: var(--paper-soft);
}

.choice-stack strong,
.question-card strong {
  display: block;
  margin-top: 5px;
  line-height: 1.22;
}

.choice-stack p,
.question-card p,
.panel-intro,
.sources-panel p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

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

.question-card {
  min-height: 128px;
}

.question-card span {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 0 8px;
  background: var(--ink);
  color: white;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.source-list a {
  display: block;
  color: var(--green-dark);
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.35;
  text-decoration: none;
}

.source-list a:hover,
.source-list a:focus-visible,
.header-actions a:hover,
.header-actions a:focus-visible,
.card-actions a:hover,
.card-actions a:focus-visible,
.home-link:hover,
.home-link:focus-visible {
  border-color: var(--ink);
}

.app-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 28px 0 38px;
  color: var(--muted);
  font-size: 0.9rem;
}

.app-footer a {
  color: var(--green-dark);
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 1020px) {
  .hero-section,
  .split-section {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 720px) {
  .app-header,
  main,
  .app-footer {
    width: min(100% - 24px, 1180px);
  }

  .app-header,
  .section-head {
    align-items: stretch;
    flex-direction: column;
  }

  .header-actions,
  .filter-bar {
    justify-content: flex-start;
  }

  .header-actions a {
    flex: 1 1 auto;
  }

  .hero-section {
    padding: 18px;
  }

  h1 {
    max-width: 12ch;
    font-size: clamp(2.55rem, 14vw, 4rem);
  }

  .summary-strip,
  .university-grid,
  .calendar-grid,
  .question-grid {
    grid-template-columns: 1fr;
  }

  .university-card,
  .timeline-panel,
  .decision-panel,
  .calendar-section,
  .support-panel,
  .sources-panel {
    padding: 14px;
  }

  .university-top {
    align-items: start;
    flex-direction: column;
  }

  .university-meta {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}