/* ============================================================
     Walsh Admissions Checklist
     Tokens locked to Walsh canonical palette + typography.
     ============================================================ */
  :root {
    --navy: #000038;
    --ink: #0C0C28;
    --orange: #E55318;
    --magenta: #9B1F54;
    --cream: #F7F5F1;
    --silk: #F0EDE8;
    --slate: #5A5A72;
    --rule: #E0DDD8;
    --paper: #FAFAF7;
    --white: #FFFFFF;
    --haze: rgba(0,0,56,0.06);

    --font-display: 'Montserrat', sans-serif;
    --font-accent: 'DM Serif Display', serif;
    --font-mono: 'IBM Plex Mono', monospace;

    --max: 1240px;
    --gutter: clamp(1.25rem, 4vw, 3rem);
  }

  *, *::before, *::after { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
}
  html { 
    scroll-behavior: smooth; 
}
  body {
    font-family: var(--font-display);
    background: var(--paper);
    color: var(--ink);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  ::selection { background: var(--orange); color: white; }

  /* ============================================================
     Hero — editorial split with the page subject as a statement.
     ============================================================ */
  .hero {
    background: var(--navy);
    color: white;
    position: relative;
    overflow: hidden;
    padding: clamp(3rem, 5vw, 5rem) var(--gutter) clamp(3rem, 5vw, 4rem);  }
  .hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
      radial-gradient(circle at 80% 20%, rgba(229,83,24,0.15), transparent 50%),
      radial-gradient(circle at 15% 75%, rgba(155,31,84,0.18), transparent 50%);
    pointer-events: none;
  }
  .hero::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 4px;
    background: var(--orange);
  }
  .hero-inner {
    max-width: var(--max);
    margin: 0 auto;
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  @media (min-width: 900px) {
    .hero-inner { grid-template-columns: 1.4fr 1fr; align-items: end; gap: 4rem; }
  }
  .crumbs {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.55);
    font-weight: 500;
    margin-bottom: 2rem;
  }
  .crumbs a { color: inherit; text-decoration: none; transition: color 0.2s; }
  .crumbs a:hover { color: var(--orange); }
  .crumbs span { margin: 0 0.6rem; opacity: 0.4; }

  .hero h1 {
    font-size: clamp(2.5rem, 7vw, 5.5rem);
    line-height: 0.95;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
  }
  .hero h1 .accent {
    font-family: var(--font-accent);
    font-style: italic;
    font-weight: 400;
    color: var(--orange);
    display: block;
    letter-spacing: -0.01em;
  }
  .hero-lead {
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
    color: rgba(255,255,255,0.78);
    max-width: 38ch;
    font-weight: 400;
  }

  .hero-meta {
    border-left: 1px solid rgba(255,255,255,0.18);
    padding-left: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
  }
  .meta-line {
    display: flex;
    gap: 1.25rem;
    align-items: baseline;
  }
  .meta-num {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--orange);
    letter-spacing: 0.1em;
  }
  .meta-text {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.85);
  }
  .meta-text strong { color: white; font-weight: 600; }

  /* ============================================================
     Sticky filter bar
     ============================================================ */
  .filter-bar {
    background: white;
    border-bottom: 1px solid var(--rule);
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 1rem var(--gutter);
    backdrop-filter: blur(8px);
    background: rgba(255,255,255,0.96);
  }
  .filter-inner {
    max-width: var(--max);
    margin: 0 auto;
    display: flex;
    gap: 2rem;
    align-items: center;
    flex-wrap: wrap;
  }
  .filter-label {
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--slate);
    font-weight: 600;
  }
  .filter-group {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
  }
  .filter-chip {
    border: 1px solid var(--rule);
    background: white;
    color: var(--slate);
    padding: 0.5rem 1rem;
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 500;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.18s ease;
    letter-spacing: 0.01em;
  }
  .filter-chip:hover {
    border-color: var(--navy);
    color: var(--navy);
  }
  .filter-chip[aria-pressed="true"] {
    background: var(--navy);
    color: white;
    border-color: var(--navy);
  }
  .filter-chip[data-route="phd"][aria-pressed="true"],
  .filter-chip[data-route="dba"][aria-pressed="true"] {
    background: var(--magenta);
    border-color: var(--magenta);
  }

  /* ============================================================
     Stage sections — Stage 01 (apply) and Stage 02 (pre-enrolment)
     ============================================================ */
  .stage {
    padding: clamp(4rem, 7vw, 6rem) var(--gutter);
    position: relative;
  }
  .stage-inner {
    max-width: var(--max);
    margin: 0 auto;
  }
  .stage-header {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
    align-items: end;
  }
  @media (min-width: 800px) {
    .stage-header { grid-template-columns: 1fr 1fr; gap: 3rem; }
  }
  .stage-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--orange);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
  }
  .stage-tag::before {
    content: "";
    display: block;
    width: 28px;
    height: 1px;
    background: var(--orange);
  }
  .stage h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.05;
    font-weight: 800;
    color: var(--navy);
    letter-spacing: -0.015em;
  }
  .stage h2 .accent {
    font-family: var(--font-accent);
    font-style: italic;
    font-weight: 400;
    color: var(--orange);
  }
  .stage-blurb {
    color: var(--slate);
    font-size: 1.05rem;
    max-width: 50ch;
    line-height: 1.65;
  }
  .stage-blurb strong { color: var(--navy); font-weight: 600; }

  /* Stage 02 lives on cream */
  .stage--cream { background: var(--cream); }

  /* ============================================================
     "How to read this checklist" intro box
     ============================================================ */
  .read-guide {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    background: white;
    border: 1px solid var(--rule);
    border-left: 4px solid var(--orange);
    padding: 1.5rem 1.75rem;
    margin-bottom: 3.5rem;
  }
  .read-guide-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: var(--orange);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-accent);
    font-style: italic;
    font-size: 1.2rem;
    font-weight: 400;
    line-height: 1;
  }
  .read-guide-text {
    font-size: 0.95rem;
    color: var(--slate);
    line-height: 1.6;
  }
  .read-guide-text strong {
    color: var(--navy);
    font-weight: 700;
    display: block;
    margin-bottom: 0.3rem;
    font-size: 1rem;
  }
  .read-guide-text em {
    color: var(--orange);
    font-style: normal;
    font-weight: 600;
  }

  /* ============================================================
     Tier — grouped section showing universal + add-ons
     ============================================================ */
  .tier {
    margin-bottom: 3rem;
    transition: opacity 0.35s ease, filter 0.35s ease;
  }
  .tier:last-child { margin-bottom: 0; }
  .tier.is-dim {
    opacity: 0.32;
    filter: saturate(0.6);
  }

  .tier-head {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.25rem 2rem;
    align-items: start;
    margin-bottom: 2rem;
  }
  @media (min-width: 900px) {
    .tier-head {
      grid-template-columns: auto 1fr auto;
    }
  }
  .tier-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding-top: 0.4rem;
  }
  .tier-num {
    font-family: var(--font-accent);
    font-style: italic;
    font-size: 2.5rem;
    color: var(--orange);
    line-height: 1;
    font-weight: 400;
  }
  .tier-marker--doctoral .tier-num { color: var(--magenta); }
  .tier-rule {
    display: block;
    width: 1px;
    flex: 1;
    background: var(--rule);
    min-height: 20px;
  }
  .tier-titles { min-width: 0; }
  .tier-title {
    font-size: clamp(1.35rem, 2.4vw, 1.8rem);
    font-weight: 800;
    color: var(--navy);
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin-bottom: 0.5rem;
  }
  .tier-title-accent {
    font-style: italic;
    font-weight: 400;
    color: var(--orange);
    position: relative !important;
    position: relative !important;
    background-color: #fafaf7;
    bottom: .2vw;
  }
  .tier-title-accent--doctoral { color: var(--magenta); }
  .tier-sub {
    color: var(--slate);
    font-size: 0.98rem;
    line-height: 1.6;
    max-width: 55ch;
  }
  .tier-sub em {
    color: var(--navy);
    font-style: normal;
    font-weight: 600;
  }

  .tier-badge {
    background: var(--silk);
    padding: 0.85rem 1.1rem;
    border-left: 3px solid var(--navy);
    align-self: start;
    min-width: 0;
  }
  .tier-badge--masters { border-left-color: var(--orange); }
  .tier-badge--doctoral { border-left-color: var(--magenta); }
  .badge-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--slate);
    margin-bottom: 0.2rem;
  }
  .badge-value {
    display: block;
    font-weight: 700;
    color: var(--navy);
    font-size: 0.92rem;
  }

  /* "+ Plus, if you're applying for..." connector */
  .tier-connector {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin: 2.5rem 0 2rem;
    padding: 1rem 0;
    border-top: 1px dashed var(--rule);
    border-bottom: 1px dashed var(--rule);
  }
  .tier-plus {
    font-family: var(--font-accent);
    font-style: italic;
    font-size: 2.5rem;
    color: var(--orange);
    line-height: 0.8;
    font-weight: 400;
  }
  .tier-connector--doctoral .tier-plus { color: var(--magenta); }
  .tier-plus-label {
    font-weight: 600;
    color: var(--navy);
    font-size: 1rem;
    letter-spacing: -0.005em;
  }

  /* ============================================================
     Document cards — used inside tiers
     ============================================================ */
  .doc-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  @media (min-width: 700px) {
    .doc-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (min-width: 1100px) {
    .doc-grid { grid-template-columns: repeat(3, 1fr); }
  }

  .doc-card {
    background: white;
    border: 1px solid var(--rule);
    padding: 1.5rem 1.5rem 1.5rem 1.75rem;
    position: relative;
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
  }
  .doc-card::before {
    content: "";
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: var(--orange);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.3s ease;
  }
  .doc-card--doctoral::before { background: var(--magenta); }
  .doc-card:hover {
    border-color: var(--navy);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0,0,56,0.08);
  }
  .doc-card:hover::before { transform: scaleY(1); }

  .doc-num {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: var(--slate);
    font-weight: 500;
  }
  .doc-card--doctoral .doc-num { color: var(--magenta); }
  .doc-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--navy);
    line-height: 1.3;
  }
  .doc-desc {
    font-size: 0.9rem;
    color: var(--slate);
    line-height: 1.55;
    flex: 1;
  }
  .doc-note {
    font-size: 0.78rem;
    color: var(--orange);
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    background: rgba(229,83,24,0.06);
    border-left: 2px solid var(--orange);
    margin-top: 0.4rem;
  }
  .doc-note--doctoral {
    color: var(--magenta);
    background: rgba(155,31,84,0.06);
    border-left-color: var(--magenta);
  }

  /* ============================================================
     The Journey strip — between Stage 01 and 02
     ============================================================ */
  .journey {
    background: var(--navy);
    color: white;
    padding: clamp(3rem, 5vw, 4.5rem) var(--gutter);
    position: relative;
    overflow: hidden;
  }
  .journey::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 50% 50%, rgba(229,83,24,0.10), transparent 70%);
    pointer-events: none;
  }
  .journey-inner {
    max-width: var(--max);
    margin: 0 auto;
    position: relative;
    z-index: 1;
  }
  .journey-title {
    font-family: var(--font-accent);
    font-style: italic;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    color: var(--orange);
    margin-bottom: 2.5rem;
    text-align: center;
    letter-spacing: -0.01em;
  }
  .journey-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  @media (min-width: 700px) {
    .journey-steps {
      grid-template-columns: repeat(4, 1fr);
      gap: 0;
    }
  }
  .journey-step {
    padding: 1.25rem 1.5rem;
    border-left: 1px solid rgba(255,255,255,0.2);
    position: relative;
  }
  @media (max-width: 699px) {
    .journey-step { border-left: 0; border-top: 1px solid rgba(255,255,255,0.2); padding: 1.25rem 0; }
  }
  .journey-step:first-child { border-left: 0; }
  .step-num {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    color: var(--orange);
    margin-bottom: 0.4rem;
  }
  .step-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
  }
  .step-desc {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.5;
  }

  /* ============================================================
     Pre-Enrolment Forms section (Stage 02)
     ============================================================ */
  .pe-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  @media (min-width: 800px) {
    .pe-grid { grid-template-columns: 2fr 1fr; }
  }

  .pe-block {
    background: white;
    border: 1px solid var(--rule);
    padding: 2rem;
  }
  .pe-block-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--rule);
  }
  .pe-block-head h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--navy);
  }
  .pe-block-tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 0.3rem 0.6rem;
    border-radius: 2px;
  }
  .pe-block-tag.universal { background: var(--navy); color: white; }
  .pe-block-tag.campus { background: var(--orange); color: white; }

  .pe-form {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.85rem 1.25rem;
    padding: 0.85rem 0;
    align-items: baseline;
    border-bottom: 1px solid rgba(0,0,56,0.06);
  }
  .pe-form:last-child { border-bottom: 0; }
  .pe-form-num {
    font-family: var(--font-accent);
    font-style: italic;
    font-size: 1.5rem;
    color: var(--orange);
    line-height: 1;
    min-width: 2rem;
  }
  .pe-form-name {
    font-weight: 600;
    color: var(--navy);
    font-size: 0.98rem;
    margin-bottom: 0.15rem;
  }
  .pe-form-blurb {
    font-size: 0.82rem;
    color: var(--slate);
    line-height: 1.5;
  }

  /* ============================================================
     Submit-to box (Stage 02 sidebar)
     ============================================================ */
  .submit-box {
    background: var(--navy);
    color: white;
    padding: 2rem;
    position: relative;
    overflow: hidden;
  }
  .submit-box::after {
    content: "";
    position: absolute;
    top: 0; right: 0;
    width: 40px; height: 4px;
    background: var(--orange);
  }
  .submit-box h4 {
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--orange);
    font-weight: 600;
    margin-bottom: 1.5rem;
  }
  .submit-email {
    font-size: clamp(1.15rem, 2.2vw, 1rem);
    font-weight: 700;
    word-break: break-word;
    margin-bottom: 0.75rem;
  }
  .submit-when {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.75);
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.15);
  }
  .submit-rule {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.55;
  }
  .submit-rule strong {
    color: var(--orange);
    font-weight: 600;
  }

  /* ============================================================
     Download CTA section
     ============================================================ */
  .download {
    padding: clamp(4rem, 7vw, 6rem) var(--gutter);
    background: var(--paper);
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
  }
  .download-inner {
    max-width: var(--max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
  }
  @media (min-width: 800px) {
    .download-inner { grid-template-columns: 1fr 1fr; }
  }
  .download-text h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    line-height: 1.1;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 1rem;
    letter-spacing: -0.015em;
  }
  .download-text h2 .accent {
    font-family: var(--font-accent);
    font-style: italic;
    font-weight: 400;
    color: var(--orange);
  }
  .download-text p {
    color: var(--slate);
    font-size: 1.02rem;
    line-height: 1.65;
    max-width: 45ch;
  }
  .download-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.75rem;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    letter-spacing: 0.01em;
  }
  .btn-primary {
    background: var(--navy);
    color: white;
  }
  .btn-primary:hover {
    background: var(--orange);
    transform: translateX(4px);
  }
  .btn-secondary {
    background: transparent;
    color: var(--navy);
    border-color: var(--navy);
  }
  .btn-secondary:hover {
    background: var(--navy);
    color: white;
    transform: translateX(4px);
  }
  .btn-arrow {
    font-family: var(--font-mono);
    transition: transform 0.2s ease;
  }
  .btn:hover .btn-arrow { transform: translateX(4px); }
  .btn-sub {
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    opacity: 0.6;
    display: block;
    margin-bottom: 0.25rem;
  }

  /* ============================================================
     FAQ section
     ============================================================ */
  .faq {
    padding: clamp(4rem, 7vw, 6rem) var(--gutter);
  }
  .faq-inner {
    max-width: var(--max);
    margin: 0 auto;
  }
  .faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 3rem;
    border-top: 1px solid var(--rule);
  }
  details.faq-item {
    border-bottom: 1px solid var(--rule);
    padding: 1.5rem 0;
  }
  details.faq-item summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--navy);
    font-size: 1.05rem;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.25rem 0;
  }
  details.faq-item summary::-webkit-details-marker { display: none; }
  details.faq-item summary::after {
    content: "+";
    font-family: var(--font-mono);
    font-size: 1.5rem;
    color: var(--orange);
    transition: transform 0.2s ease;
    line-height: 1;
  }
  details.faq-item[open] summary::after {
    transform: rotate(45deg);
  }
  details.faq-item p {
    color: var(--slate);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-top: 1rem;
    max-width: 65ch;
  }

  /* ============================================================
     Help footer
     ============================================================ */
  .help {
    background: var(--navy);
    color: white;
    padding: clamp(3rem, 6vw, 5rem) var(--gutter);
  }
  .help-inner {
    max-width: var(--max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  @media (min-width: 800px) {
    .help-inner { grid-template-columns: 1fr 2fr; gap: 4rem; align-items: start; }
  }
  .help-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    line-height: 1.1;
  }
  .help-title .accent {
    font-family: var(--font-accent);
    font-style: italic;
    font-weight: 400;
    color: var(--orange);
  }
  .help-contacts {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  @media (min-width: 600px) {
    .help-contacts { grid-template-columns: repeat(2, 1fr); }
  }
  .contact-card {
    border: 1px solid rgba(255,255,255,0.15);
    padding: 1.25rem;
    transition: all 0.2s ease;
  }
  .contact-card:hover {
    border-color: var(--orange);
    background: rgba(229,83,24,0.05);
  }
  .contact-label {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.6);
    margin-bottom: 0.5rem;
  }
  .contact-value {
    font-size: 0.95rem;
    color: white;
    text-decoration: none;
    display: block;
    font-weight: 500;
    word-break: break-word;
  }
  .contact-value:hover { color: var(--orange); }

  /* ============================================================
     Subtle entrance animation
     ============================================================ */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .reveal {
    opacity: 0;
    animation: fadeUp 0.7s ease forwards;
  }
  .reveal[data-delay="1"] { animation-delay: 0.1s; }
  .reveal[data-delay="2"] { animation-delay: 0.2s; }
  .reveal[data-delay="3"] { animation-delay: 0.3s; }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .reveal { opacity: 1; }
  }