:root {
  --paper: #f5f0e4;
  --paper-deep: #e8ddc7;
  --ink: #12213f;
  --blue: #1147b5;
  --red: #e34b32;
  --ochre: #dd9d28;
  --line: #17213d;
  --white: #fffdf7;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ease: cubic-bezier(.23,1,.32,1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.55; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: 3px; }
a:hover { color: var(--red); }
button, input, textarea { font: inherit; }
button, .btn, .nav-link, .navbar-toggler, .filter-button, .method-tab, .field-index a, .check-item { min-height: 44px; }
:focus-visible { outline: 3px solid var(--ochre); outline-offset: 3px; }
.container-xl { width: min(100% - 40px, 1240px); margin-inline: auto; padding: 0; }
.section-kicker { display: inline-block; padding: 5px 10px 4px; background: var(--ochre); border: 2px solid var(--line); color: var(--ink); font-size: .74rem; font-weight: 800; letter-spacing: .11em; line-height: 1; text-transform: uppercase; transform: rotate(-1deg); }
h1, h2, h3, h4 { margin: 0; color: var(--ink); font-weight: 900; letter-spacing: -.045em; line-height: .94; }
h1, h2, h3, h4 { overflow-wrap: anywhere; }
h1 { font-size: clamp(3.2rem, 8vw, 7.6rem); }
h2 { font-size: clamp(2.1rem, 4.5vw, 4.35rem); }
h3 { font-size: clamp(1.35rem, 2.2vw, 2.05rem); }
p { margin: 0; }
.heading-copy { margin-top: 18px; max-width: 62ch; font-size: 1.04rem; }
.rule-top { border-top: 4px solid var(--line); }
.paper-label { display: inline-block; background: var(--white); border: 2px solid var(--line); box-shadow: 5px 5px 0 var(--ink); color: var(--ink); font-size: .78rem; font-weight: 800; letter-spacing: .08em; padding: 7px 10px; text-transform: uppercase; }
.text-red { color: var(--red); }
.text-blue { color: var(--blue); }
.text-ochre { color: #a66500; }

/* header */
.site-header { position: relative; z-index: 20; background: var(--paper); border-bottom: 4px solid var(--line); }
.utility-bar { background: var(--ink); color: var(--paper); font-size: .73rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.utility-inner { min-height: 33px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.utility-inner span:last-child { color: #ffd25f; }
.navbar { padding: 15px 0; }
.navbar-brand { display: inline-flex; align-items: center; min-height: 44px; gap: 10px; font-weight: 900; letter-spacing: -.04em; line-height: 1; text-decoration: none; }
.brand-mark { width: 35px; height: 35px; flex: 0 0 auto; }
.brand-copy { display: inline-grid; font-size: 1.18rem; }
.brand-copy small { color: var(--blue); font-size: .6rem; letter-spacing: .13em; text-transform: uppercase; }
.navbar-toggler { border: 3px solid var(--line); border-radius: 0; padding: 7px 10px; color: var(--ink); box-shadow: 3px 3px 0 var(--red); }
.navbar-toggler:focus { box-shadow: 3px 3px 0 var(--red); }
.nav-link { display: inline-flex; align-items: center; font-size: .86rem; font-weight: 800; letter-spacing: .045em; padding: 8px 10px !important; text-transform: uppercase; }
.nav-link.practical-link { background: var(--red); color: var(--white); border: 2px solid var(--line); margin-left: 7px; box-shadow: 3px 3px 0 var(--ink); }
.nav-link.practical-link:hover { background: var(--ochre); color: var(--ink); }

/* Hero */
.hero { position: relative; padding: 33px 0 50px; background: linear-gradient(135deg, var(--paper) 0%, var(--paper) 73%, #e7d6b9 73%); }
.hero::after { position: absolute; right: 5%; bottom: 21px; width: clamp(80px, 13vw, 178px); height: 20px; background: var(--red); content: ''; transform: rotate(-6deg); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.22fr) minmax(300px, .78fr); gap: clamp(30px, 5vw, 76px); align-items: end; }
.hero-copy { padding: 19px 0 10px; min-width: 0; }
.hero-copy .section-kicker { margin-bottom: 20px; }
.hero-title-line { display: block; }
.hero-title-offset { padding-left: clamp(15px, 5vw, 80px); color: var(--blue); }
.hero-intro { max-width: 55ch; margin-top: 24px; font-family: var(--serif); font-size: clamp(1.15rem, 1.8vw, 1.5rem); line-height: 1.35; }
.hero-utility { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 22px; margin-top: 26px; font-size: .85rem; font-weight: 750; }
.hero-utility span { display: inline-flex; align-items: center; gap: 7px; }
.hero-utility b { color: var(--red); font-size: 1.1rem; }
.hero-image-block { position: relative; min-width: 0; padding: 0 19px 19px 0; }
.hero-image-frame { position: relative; border: 4px solid var(--line); background: var(--blue); box-shadow: 14px 14px 0 var(--blue); clip-path: polygon(0 0, 100% 0, 100% 91%, 90% 100%, 0 100%); }
.hero-image-frame img { width: 100%; aspect-ratio: 4 / 4.2; object-fit: cover; }
.hero-image-caption { position: absolute; right: -9px; bottom: -9px; background: var(--ochre); border: 2px solid var(--line); font-size: .79rem; font-weight: 850; letter-spacing: .06em; max-width: 210px; padding: 9px 12px; text-transform: uppercase; transform: rotate(-3deg); }
.hero-number { position: absolute; left: -24px; top: 25px; color: var(--red); font-family: var(--serif); font-size: clamp(5rem, 9vw, 9rem); font-weight: 700; line-height: .6; z-index: 1; }

/* Bulletin */
.bulletin { background: var(--red); border-top: 4px solid var(--line); border-bottom: 4px solid var(--line); color: var(--white); overflow: hidden; }
.bulletin-track { display: flex; width: max-content; min-width: 100%; padding: 13px 0; gap: 0; white-space: nowrap; font-weight: 850; letter-spacing: .05em; text-transform: uppercase; }
.bulletin-track span { display: inline-flex; align-items: center; padding: 0 24px; }
.bulletin-track span::after { margin-left: 24px; color: var(--ochre); content: '✦'; font-size: 1.1rem; }
@media (prefers-reduced-motion: no-preference) { .bulletin-track { animation: bulletin 28s linear infinite; } }
@keyframes bulletin { to { transform: translateX(-20%); } }

/* Field index */
.field-index-section { padding: 76px 0; }
.field-index-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 46px; align-items: start; }
.index-intro { position: sticky; top: 20px; }
.index-intro h2 { margin-top: 19px; }
.field-index { border-top: 4px solid var(--line); }
.field-index a { display: grid; grid-template-columns: 68px minmax(0, 1fr) 28px; align-items: center; gap: 15px; border-bottom: 2px solid var(--line); padding: 15px 0; color: var(--ink); font-size: clamp(1.2rem, 2.2vw, 2rem); font-weight: 850; text-decoration: none; transition: background-color .18s var(--ease), padding .18s var(--ease); }
.field-index a:hover { background: var(--ochre); color: var(--ink); padding-left: 14px; padding-right: 10px; }
.index-nr { color: var(--red); font-family: var(--serif); font-size: 1rem; font-weight: 700; letter-spacing: 0; }
.index-arrow { font-size: 1.25rem; text-align: right; }

/* stations */
.stations { padding: 76px 0; background: var(--ink); color: var(--paper); }
.stations h2, .stations h3 { color: var(--paper); }
.stations-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(250px, .55fr); align-items: end; gap: 30px; }
.stations-head .heading-copy { color: #d8e2ff; }
.station-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 0; margin-top: 45px; border: 3px solid var(--paper); }
.station { min-width: 0; padding: clamp(23px, 3vw, 37px); border-right: 3px solid var(--paper); }
.station:last-child { border-right: 0; }
.station:nth-child(2) { background: var(--blue); }
.station:nth-child(3) { background: var(--red); }
.station-no { color: var(--ochre); font-family: var(--serif); font-size: 1.25rem; font-weight: 700; }
.station h3 { margin-top: 27px; }
.station p { margin-top: 17px; font-size: .97rem; }
.station a { display: inline-flex; align-items: center; min-height: 44px; margin-top: 24px; color: inherit; font-weight: 850; text-decoration-thickness: 2px; }

/* exercise */
.exercise { padding: 82px 0; }
.exercise-grid { display: grid; grid-template-columns: minmax(0, .91fr) minmax(0, 1.09fr); gap: 0; border: 4px solid var(--line); }
.exercise-image { min-width: 0; background: var(--ochre); }
.exercise-image img { width: 100%; height: 100%; min-height: 400px; object-fit: cover; mix-blend-mode: multiply; }
.exercise-content { min-width: 0; padding: clamp(28px, 5vw, 70px); background: var(--white); }
.exercise-content h2 { margin-top: 20px; }
.exercise-steps { display: grid; gap: 0; margin-top: 33px; border-top: 2px solid var(--line); }
.exercise-step { display: grid; grid-template-columns: 40px minmax(0,1fr); gap: 15px; padding: 16px 0; border-bottom: 2px solid var(--line); }
.exercise-step b { color: var(--red); font-family: var(--serif); font-size: 1.5rem; line-height: 1; }
.exercise-step p { font-size: .94rem; }

/* Method tabs */
.methods { padding: 79px 0; background: #dce6f8; border-top: 4px solid var(--line); border-bottom: 4px solid var(--line); }
.methods-layout { display: grid; grid-template-columns: minmax(240px,.67fr) minmax(0,1.33fr); gap: clamp(28px, 5vw, 70px); align-items: start; }
.method-tabs { display: grid; gap: 9px; margin-top: 27px; }
.method-tab { width: 100%; padding: 13px 14px; border: 3px solid var(--line); border-radius: 0; background: transparent; color: var(--ink); font-weight: 900; text-align: left; transition: background .18s var(--ease), color .18s var(--ease), transform .18s var(--ease); }
.method-tab[aria-selected='true'], .method-tab:hover { background: var(--blue); color: var(--white); transform: translateX(7px); }
.method-panel { min-height: 350px; border: 4px solid var(--line); background: var(--white); box-shadow: 12px 12px 0 var(--red); padding: clamp(25px, 4vw, 54px); }
.method-panel[hidden] { display: none; }
.method-panel h3 { color: var(--blue); }
.method-panel p { margin-top: 18px; max-width: 54ch; }
.method-list { display: grid; gap: 10px; margin: 28px 0 0; padding: 0; list-style: none; }
.method-list li { border-left: 6px solid var(--ochre); padding-left: 12px; font-weight: 700; }

/* materials */
.materials { padding: 82px 0; }
.materials-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(280px,.95fr); gap: 39px; align-items: center; }
.materials-copy h2 { margin-top: 19px; }
.materials-bench { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; margin-top: 35px; }
.material-chip { min-width: 0; border: 2px solid var(--line); background: var(--white); padding: 16px; }
.material-chip:nth-child(2) { background: var(--ochre); }
.material-chip:nth-child(3) { background: var(--red); color: var(--white); }
.material-chip:nth-child(4) { background: var(--blue); color: var(--white); }
.material-chip b { display: block; font-size: .85rem; letter-spacing: .06em; text-transform: uppercase; }
.material-chip span { display: block; margin-top: 8px; font-family: var(--serif); font-size: 1.08rem; line-height: 1.15; }
.material-image-stack { position: relative; min-height: 460px; padding: 0 28px 31px 0; }
.material-image-stack::before { position: absolute; right: 0; bottom: 0; width: 74%; height: 74%; background: var(--red); content: ''; }
.material-image-stack img { position: relative; width: 100%; height: 100%; min-height: 450px; border: 4px solid var(--line); object-fit: cover; }
.material-note { position: absolute; bottom: 6px; left: -12px; max-width: 210px; background: var(--white); border: 2px solid var(--line); font-weight: 800; padding: 11px; transform: rotate(3deg); }

/* rhythm */
.rhythm { padding: 80px 0; background: var(--ochre); border-top: 4px solid var(--line); border-bottom: 4px solid var(--line); }
.rhythm-top { display: grid; grid-template-columns: minmax(0,1fr) minmax(260px,.65fr); gap: 30px; align-items: end; }
.rhythm-road { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 0; margin-top: 40px; border: 4px solid var(--line); background: var(--line); }
.day { min-width: 0; background: var(--paper); padding: 20px 17px 24px; border-right: 2px solid var(--line); }
.day:nth-child(even) { background: var(--blue); color: var(--paper); }
.day:last-child { border-right: 0; }
.day b { display: block; color: var(--red); font-family: var(--serif); font-size: 2rem; line-height: 1; }
.day:nth-child(even) b { color: var(--ochre); }
.day strong { display: block; margin-top: 22px; font-size: 1.02rem; }
.day p { margin-top: 14px; font-size: .88rem; }

/* checklist */
.checklist { padding: 83px 0; }
.checklist-shell { display: grid; grid-template-columns: minmax(0,.7fr) minmax(0,1.3fr); gap: 0; border: 4px solid var(--line); }
.checklist-intro { padding: clamp(27px,4vw,52px); background: var(--red); color: var(--white); }
.checklist-intro h2 { color: var(--white); margin-top: 18px; }
.checklist-intro .heading-copy { color: var(--white); }
.check-counter { display: inline-block; margin-top: 28px; background: var(--paper); border: 2px solid var(--line); color: var(--ink); font-family: var(--serif); font-size: 2rem; font-weight: 700; padding: 10px 16px; }
.check-panel { padding: clamp(24px,4vw,47px); background: var(--white); }
.check-item { display: grid; grid-template-columns: 26px minmax(0,1fr); gap: 13px; align-items: center; width: 100%; border: 0; border-bottom: 2px solid var(--line); background: transparent; color: var(--ink); padding: 13px 0; text-align: left; font-weight: 750; }
.check-item::before { display: grid; place-items: center; width: 23px; height: 23px; border: 2px solid var(--line); content: ''; }
.check-item.is-checked::before { background: var(--blue); box-shadow: inset 0 0 0 4px var(--white); }
.check-item.is-checked { color: var(--blue); text-decoration: line-through; }
.clear-checks { margin-top: 23px; min-height: 44px; border: 2px solid var(--line); border-radius: 0; background: var(--ochre); color: var(--ink); font-size: .84rem; font-weight: 900; padding: 9px 14px; text-transform: uppercase; }

/* references */
.references { padding: 80px 0; background: var(--blue); color: var(--white); }
.references h2 { color: var(--white); }
.references .heading-copy { color: #e9edff; }
.reference-head { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 30px; align-items: end; }
.filter-set { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.filter-button { border: 2px solid var(--paper); border-radius: 0; background: transparent; color: var(--paper); font-size: .78rem; font-weight: 850; padding: 7px 11px; text-transform: uppercase; }
.filter-button.is-active, .filter-button:hover { background: var(--ochre); color: var(--ink); }
.reference-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 17px; margin-top: 36px; }
.reference-card { min-width: 0; background: var(--paper); border: 3px solid var(--ink); color: var(--ink); }
.reference-card[hidden] { display: none; }
.reference-card img { width: 100%; aspect-ratio: 1 / .75; object-fit: cover; border-bottom: 3px solid var(--ink); }
.reference-card-body { padding: 16px; }
.reference-tag { color: var(--red); font-size: .72rem; font-weight: 900; letter-spacing: .09em; text-transform: uppercase; }
.reference-card h3 { margin-top: 10px; font-size: 1.34rem; }
.reference-card p { margin-top: 13px; font-size: .88rem; }

/* faq */
.faq { padding: 82px 0; }
.faq-layout { display: grid; grid-template-columns: minmax(0,.65fr) minmax(0,1.35fr); gap: clamp(28px,6vw,85px); align-items: start; }
.faq-intro { position: sticky; top: 25px; }
.faq-intro h2 { margin-top: 19px; }
.accordion { border-top: 4px solid var(--line); }
.accordion-item { border: 0; border-bottom: 2px solid var(--line); border-radius: 0 !important; background: transparent; color: var(--ink); }
.accordion-button { min-height: 64px; background: transparent; color: var(--ink); font-size: 1.08rem; font-weight: 900; padding: 16px 44px 16px 0; }
.accordion-button:not(.collapsed) { background: var(--paper-deep); box-shadow: none; color: var(--ink); }
.accordion-button:focus { border-color: var(--line); box-shadow: inset 0 -1px 0 rgba(0,0,0,.125); }
.accordion-button::after { position: absolute; right: 0; width: 27px; height: 27px; border: 2px solid var(--line); background-position: center; background-size: 14px; }
.accordion-body { background: var(--white); padding: 8px 20px 24px; }
.accordion-body p { margin-top: 14px; max-width: 64ch; }

/* practical */
.practical { padding: 84px 0; background: var(--ink); color: var(--paper); }
.practical h2 { color: var(--paper); }
.practical-grid { display: grid; grid-template-columns: minmax(0,.7fr) minmax(0,1.3fr); gap: clamp(28px,5vw,75px); }
.practical-copy .heading-copy { color: #dbe5ff; }
.draft-promise { margin-top: 27px; border-left: 7px solid var(--ochre); color: var(--paper); padding: 13px 0 13px 15px; font-family: var(--serif); font-size: 1.18rem; line-height: 1.35; }
.note-form { border: 4px solid var(--paper); background: var(--paper); color: var(--ink); padding: clamp(21px,4vw,42px); }
.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.form-field { min-width: 0; }
.form-field.full { grid-column: 1 / -1; }
.form-label { display: block; margin-bottom: 8px; font-size: .77rem; font-weight: 900; letter-spacing: .09em; text-transform: uppercase; }
.form-control { min-height: 48px; border: 2px solid var(--line); border-radius: 0; background: var(--white); color: var(--ink); font-size: 16px; padding: 10px 12px; }
textarea.form-control { min-height: 132px; resize: vertical; }
.form-control:focus { border-color: var(--blue); box-shadow: 4px 4px 0 var(--ochre); }
.form-status { min-height: 26px; margin-top: 17px; font-weight: 700; }
.form-status.is-error { color: #a52718; }
.form-status.is-success { color: #073f27; }
.draft-button { min-height: 48px; margin-top: 8px; border: 2px solid var(--line); border-radius: 0; background: var(--red); color: var(--white); font-size: .86rem; font-weight: 900; padding: 10px 16px; text-transform: uppercase; box-shadow: 4px 4px 0 var(--ink); }
.draft-button:hover { background: var(--blue); }

/* footer */
.site-footer { background: var(--paper-deep); border-top: 4px solid var(--line); color: var(--ink); }
.footer-main { display: grid; grid-template-columns: 1.25fr .8fr .8fr; gap: 35px; padding: 52px 0 35px; }
.footer-brand { display: inline-flex; align-items: center; min-height: 44px; gap: 10px; font-weight: 900; text-decoration: none; }
.footer-brand img { width: 37px; height: 37px; }
.footer-brand span { font-size: 1.22rem; letter-spacing: -.04em; }
.footer-summary { max-width: 43ch; margin-top: 19px; }
.footer-title { color: var(--blue); font-size: .77rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.footer-links { display: grid; gap: 6px; margin-top: 15px; }
.footer-links a { display: inline-flex; align-items: center; width: fit-content; min-height: 44px; font-weight: 800; }
.footer-note { margin-top: 15px; font-size: .91rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 15px; border-top: 2px solid var(--line); padding: 15px 0 20px; font-size: .77rem; font-weight: 700; }

/* responsive */
@media (max-width: 991.98px) {
  .navbar-collapse { margin-top: 12px; border-top: 2px solid var(--line); padding-top: 10px; }
  .navbar-nav { gap: 2px; }
  .nav-link.practical-link { display: inline-flex; width: fit-content; margin: 7px 0 0 10px; }
  .hero-grid, .stations-head, .materials-layout, .rhythm-top, .reference-head, .faq-layout, .practical-grid { grid-template-columns: 1fr; }
  .hero-image-block { width: min(570px, 92%); justify-self: end; }
  .field-index-layout { grid-template-columns: 1fr; gap: 30px; }
  .index-intro, .faq-intro { position: static; }
  .station-grid { grid-template-columns: 1fr; }
  .station { border-right: 0; border-bottom: 3px solid var(--paper); }
  .station:last-child { border-bottom: 0; }
  .exercise-grid { grid-template-columns: 1fr; }
  .exercise-image img { min-height: 340px; max-height: 480px; }
  .methods-layout { grid-template-columns: 1fr; }
  .method-panel { min-height: 0; }
  .material-image-stack { width: min(620px, 96%); justify-self: end; }
  .rhythm-road { grid-template-columns: repeat(5,minmax(120px,1fr)); overflow-x: auto; }
  .day { min-height: 190px; }
  .reference-head { align-items: start; }
  .filter-set { justify-content: flex-start; }
  .reference-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .footer-main { grid-template-columns: 1.2fr 1fr; }
}
@media (max-width: 767.98px) {
  .container-xl { width: min(100% - 32px, 1240px); }
  .utility-inner { min-height: 31px; font-size: .65rem; }
  .utility-inner span:last-child { display: none; }
  .hero { padding: 29px 0 44px; }
  .hero-grid { gap: 35px; }
  .hero-title-offset { padding-left: 13px; }
  .hero-intro { margin-top: 19px; }
  .hero-image-block { width: calc(100% - 9px); }
  .hero-number { left: -10px; top: 20px; }
  .bulletin-track { font-size: .78rem; }
  .field-index-section, .stations, .exercise, .methods, .materials, .rhythm, .checklist, .references, .faq, .practical { padding: 58px 0; }
  .field-index a { grid-template-columns: 49px minmax(0,1fr) 22px; font-size: 1.2rem; }
  .materials-bench { gap: 9px; }
  .material-image-stack { min-height: 350px; padding-right: 20px; padding-bottom: 20px; }
  .material-image-stack img { min-height: 340px; }
  .rhythm-road { grid-template-columns: 1fr; margin-right: 0; overflow: visible; }
  .day { border-right: 0; border-bottom: 2px solid var(--line); min-height: 0; }
  .day:last-child { border-bottom: 0; }
  .checklist-shell { grid-template-columns: 1fr; }
  .reference-grid { grid-template-columns: 1fr; }
  .faq-layout { gap: 35px; }
  .practical-grid { gap: 34px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field.full { grid-column: auto; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; padding-top: 42px; }
  .footer-bottom { flex-direction: column; }
}
@media (max-width: 430px) {
  h1 { font-size: clamp(3.05rem, 15.4vw, 4.2rem); }
  .brand-copy { font-size: 1.05rem; }
  .hero-image-caption { max-width: 175px; font-size: .68rem; }
  .exercise-content { padding: 27px 21px; }
  .method-panel { box-shadow: 7px 7px 0 var(--red); }
  .materials-bench { grid-template-columns: 1fr; }
  .reference-card-body { padding: 15px; }
  .note-form { padding: 21px 17px; }
}