/* ============================================================
   BACKBENDS · Integrated Reference
   Editorial minimalist — warm paper & ink, three lumbar accents,
   photo-led hero.
   ============================================================ */

:root {
  --paper:        #f4efe6;
  --paper-2:      #ece4d6;
  --ink:          #211c16;
  --ink-soft:     #4a4339;
  --ink-faint:    #837a6c;
  --line:         #d8cdb9;
  --line-soft:    #e3dac9;

  --a:            #b5532a;  /* Lumbar A — terracotta (the studio brick) */
  --b:            #3f5bd6;  /* Lumbar B — cobalt (the teacher's jacket) */
  --c:            #c8861b;  /* Lumbar C — ochre */
  --inv:          #5a6b54;  /* Inverted — sage */
  --prep:         #7a6cae;  /* Preparatory — muted violet */
  --str:          #a8434f;  /* Strength — deep rose */
  --counter:      #2f7d72;  /* Counter / closing — teal */

  --maxw: 1140px;
  --serif: "Fraunces", Georgia, serif;
  --body:  "Newsreader", Georgia, serif;
  --mono:  "Spline Sans Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: var(--body);
  font-size: 18px;
  line-height: 1.62;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

p { font-weight: 300; }
em { font-style: italic; }
strong { font-weight: 500; color: var(--ink); }

/* ---------- top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px clamp(20px, 5vw, 56px);
  background: rgba(244, 239, 230, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.wordmark {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.18rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}
.wordmark-sub {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  text-transform: lowercase;
  margin-left: 8px;
  font-weight: 400;
}
.topnav { display: flex; gap: clamp(14px, 2.4vw, 32px); }
.topnav a {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1.5px solid transparent;
  transition: color .2s, border-color .2s;
}
.topnav a:hover { color: var(--ink); }
.topnav a.current { color: var(--a); border-color: var(--a); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  padding: clamp(60px, 12vh, 140px) clamp(20px, 5vw, 56px) clamp(48px, 8vh, 96px);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(20,15,10,.28) 0%, rgba(20,15,10,.46) 42%, rgba(33,24,14,.78) 100%),
    url("hero.png") center 28% / cover no-repeat;
  color: #f7f1e6;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(120% 90% at 18% 40%, rgba(20,14,8,.55) 0%, transparent 60%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #e9c79a;
  margin-bottom: 26px;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.6rem, 7vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin-bottom: 28px;
  text-wrap: balance;
  text-shadow: 0 2px 30px rgba(0,0,0,.4);
}
.hero h1 em {
  font-style: italic;
  color: #f0d4a8;
}
.lede {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.5;
  max-width: 580px;
  color: #efe6d8;
  margin-bottom: 40px;
}
.source-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  padding-top: 26px;
  border-top: 1px solid rgba(247,241,230,.28);
}
.source-strip span {
  font-size: 0.86rem;
  color: #ded2bf;
  font-weight: 300;
}
.source-strip strong { color: #fff; font-weight: 500; }

.hero-figure {
  position: absolute;
  right: clamp(-40px, 2vw, 56px);
  bottom: clamp(-30px, 4vh, 40px);
  z-index: 2;
  width: clamp(120px, 18vw, 230px);
  opacity: .5;
}
.arc-svg { width: 100%; height: auto; }
.arc-svg path {
  fill: none;
  stroke: #f0d4a8;
  stroke-width: 1.6;
  stroke-linecap: round;
}
.arc-svg path.thin { opacity: .5; }
.arc-svg circle { fill: #f0d4a8; }

/* ---------- bands ---------- */
.band {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(64px, 11vh, 128px) clamp(20px, 5vw, 56px);
}
.band-head { max-width: 720px; margin-bottom: clamp(40px, 6vh, 72px); }
.num {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--a);
  display: block;
  margin-bottom: 14px;
}
.band-head h2 {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  text-wrap: balance;
}
.band-head > p {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 640px;
}

/* ---------- foundations ---------- */
.principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}
.principle {
  background: var(--paper);
  padding: clamp(28px, 3.4vw, 44px);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}
.principle.in { opacity: 1; transform: none; }
.principle.wide { grid-column: 1 / -1; }
.principle h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.32rem;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
  position: relative;
  padding-left: 18px;
}
.principle h3::before {
  content: "";
  position: absolute; left: 0; top: 8px;
  width: 6px; height: 6px;
  background: var(--a);
  border-radius: 50%;
}
.principle p + p { margin-top: 14px; }
.principle p { font-size: 0.98rem; color: var(--ink-soft); }

.note-strip {
  margin-top: 40px;
  padding: 28px 32px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 2px;
}
.note-strip p { font-size: 1rem; color: #e6dcc9; }
.note-strip strong { color: #f0d4a8; }

/* ---------- poses / wiki ---------- */
.band-poses { max-width: 1180px; }

.wiki-controls {
  position: sticky;
  top: 64px;
  z-index: 20;
  background: rgba(244,239,230,.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 18px 0 16px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
}
.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: 18px;
  width: 19px; height: 19px;
  fill: none;
  stroke: var(--ink-faint);
  stroke-width: 2;
  stroke-linecap: round;
  pointer-events: none;
}
#poseSearch {
  width: 100%;
  font-family: var(--body);
  font-size: 1.05rem;
  padding: 15px 18px 15px 48px;
  border: 1.5px solid var(--line);
  border-radius: 2px;
  background: var(--paper);
  color: var(--ink);
  outline: none;
  transition: border-color .2s;
}
#poseSearch::placeholder { color: var(--ink-faint); font-weight: 300; }
#poseSearch:focus { border-color: var(--a); }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.chip {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 7px 13px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-soft);
  border-radius: 100px;
  cursor: pointer;
  transition: all .18s;
}
.chip:hover { border-color: var(--ink-faint); color: var(--ink); }
.chip.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.result-count {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
  margin-top: 12px;
  letter-spacing: 0.03em;
}

/* jump index */
.wiki-index {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin: 24px 0 48px;
}
.wiki-index a {
  background: var(--paper);
  padding: 14px 16px;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: background .18s, opacity .18s;
  position: relative;
}
.wiki-index a:hover { background: var(--paper-2); }
.wiki-index a.muted { opacity: .32; }
.wiki-index a span:first-child { font-weight: 500; }
.jump-dot {
  position: absolute;
  left: 16px; top: 18px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--ink-faint);
}
.jump-dot.tag-a { background: var(--a); }
.jump-dot.tag-b { background: var(--b); }
.jump-dot.tag-c { background: var(--c); }
.jump-dot.tag-inv { background: var(--inv); }
.jump-dot.tag-prep { background: var(--prep); }
.jump-dot.tag-str { background: var(--str); }
.jump-dot.tag-counter { background: var(--counter); }

.family-legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
  margin: 0 0 1.5rem;
  padding: 0;
  font-size: 0.82rem;
  color: var(--ink-faint);
}
.family-legend li { display: flex; align-items: center; gap: 0.45rem; }
.legend-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--ink-faint);
  flex: none;
}
.legend-dot.tag-a { background: var(--a); }
.legend-dot.tag-b { background: var(--b); }
.legend-dot.tag-c { background: var(--c); }
.legend-dot.tag-inv { background: var(--inv); }
.legend-dot.tag-prep { background: var(--prep); }
.legend-dot.tag-str { background: var(--str); }
.legend-dot.tag-counter { background: var(--counter); }
.wiki-index a { padding-left: 32px; }
.wiki-index a em {
  font-family: var(--mono);
  font-size: 0.66rem;
  font-style: normal;
  color: var(--ink-faint);
  letter-spacing: 0.01em;
}

/* group note (inverted) */
.group-note {
  background: var(--ink);
  color: #e6dcc9;
  padding: 28px 32px;
  border-radius: 2px;
  margin: 16px 0;
  border-left: 4px solid var(--inv);
}
.group-note-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #a9bfa0;
  display: block;
  margin-bottom: 12px;
}
.group-note p { font-size: 0.98rem; }

/* pose card */
.pose-list { display: flex; flex-direction: column; gap: 14px; }
.pose {
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--paper);
  overflow: hidden;
  transition: border-color .2s, box-shadow .3s;
}
.pose.open {
  border-color: var(--ink-faint);
  box-shadow: 0 14px 40px -28px rgba(33,28,22,.5);
}
.pose-summary {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  padding: clamp(22px, 2.6vw, 34px);
  font-family: inherit;
  color: inherit;
  display: block;
}
.pose-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.pose-titles h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: -0.015em;
  line-height: 1;
}
.pose-sanskrit {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.02rem;
  color: var(--ink-faint);
  margin-top: 4px;
}
.pose-badges { display: flex; flex-wrap: wrap; gap: 7px; }
.badge {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 100px;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  white-space: nowrap;
}
.badge-level { background: var(--paper-2); }
.tag-a { border-color: var(--a); color: var(--a); }
.tag-b { border-color: var(--b); color: var(--b); }
.tag-c { border-color: var(--c); color: var(--c); }
.tag-inv { border-color: var(--inv); color: var(--inv); }
.tag-prep { border-color: var(--prep); color: var(--prep); }
.tag-str { border-color: var(--str); color: var(--str); }
.tag-counter { border-color: var(--counter); color: var(--counter); }
.badge-peak {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.pose-pron {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
  margin: 16px 0 12px;
  letter-spacing: 0.01em;
}
.pose-blurb { font-size: 1rem; color: var(--ink-soft); max-width: 760px; }

.expand-hint {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--a);
}
.expand-hint svg {
  width: 15px; height: 15px;
  fill: none; stroke: var(--a);
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  transition: transform .3s;
}
.pose.open .expand-hint svg { transform: rotate(180deg); }
.hint-close { display: none; }
.pose.open .hint-open { display: none; }
.pose.open .hint-close { display: inline; }

/* pose body (collapsible) */
.pose-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .4s ease;
}
.pose-body > * { overflow: hidden; }
.pose.open .pose-body { grid-template-rows: 1fr; }
.pose-body {
  /* wrap children so overflow clipping works during transition */
}
.pose .pose-body { padding: 0 clamp(22px, 2.6vw, 34px); }
.pose.open .pose-body { padding-bottom: clamp(22px, 2.6vw, 34px); }

/* pose media — photo or line icon */
.pose-media {
  margin: 6px 0 4px;
  background: #fbf8f1;
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  overflow: hidden;
}
.pose-photo img {
  display: block;
  width: 100%;
  max-height: 380px;
  object-fit: contain;
  background: #fdfbf6;
  padding: 12px;
}
.pose-media figcaption {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
}
.pose-icon {
  display: flex;
  flex-direction: column;
}
.pose-icon svg {
  width: 100%;
  max-width: 320px;
  height: auto;
  margin: 26px auto 18px;
  color: var(--ink-soft);
}
.pose-icon.tag-a svg { color: var(--a); }
.pose-icon.tag-b svg { color: var(--b); }
.pose-icon.tag-c svg { color: var(--c); }
.pose-icon.tag-inv svg { color: var(--inv); }
.pose-icon.tag-prep svg { color: var(--prep); }
.pose-icon.tag-str svg { color: var(--str); }
.pose-icon.tag-counter svg { color: var(--counter); }

.layer {
  padding-top: 30px;
  margin-top: 30px;
  border-top: 1px solid var(--line-soft);
}
.pose-media + .layer { margin-top: 26px; }
.layer-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--a);
  display: block;
}
.src {
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--ink-faint);
  margin: 4px 0 18px;
  font-style: normal;
}
.layer h4 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.04rem;
  margin: 20px 0 10px;
}
.layer h4:first-of-type { margin-top: 0; }
.layer p { font-size: 0.96rem; color: var(--ink-soft); }
.layer ul { list-style: none; margin: 10px 0; }
.layer li {
  font-size: 0.96rem;
  color: var(--ink-soft);
  padding-left: 20px;
  position: relative;
  margin-bottom: 9px;
}
.layer li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 7px; height: 1.5px;
  background: var(--ink-faint);
}
.layer ul.breath li::before { background: var(--b); width: 9px; }
.layer ul.notes li::before,
.layer ul.mistakes li::before { background: var(--a); border-radius: 50%; height: 6px; width: 6px; top: 8px; }

.muscle-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin: 18px 0;
  border-radius: 2px;
  overflow: hidden;
}
.muscle-col { background: var(--paper); padding: 18px 20px; }
.muscle-col h5 {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.muscle-col.working h5 { color: var(--a); }
.muscle-col.lengthening h5 { color: var(--b); }
.muscle-col p { font-size: 0.9rem; }

.meta-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}
.meta-label {
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: block;
  margin-bottom: 6px;
}
.layer-meet {
  background: var(--paper-2);
  margin: 30px -clamp(22px,2.6vw,34px) 0;
  padding: 28px clamp(22px,2.6vw,34px);
  border-top: 1px solid var(--line);
}
.layer-meet .layer-tag { color: var(--ink-soft); }
.layer-meet p { margin-top: 10px; font-size: 0.97rem; }

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--ink-faint);
  font-style: italic;
}

/* source document card */
.doc-card {
  margin-top: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
  padding: clamp(28px, 3vw, 40px);
  background: var(--ink);
  color: var(--paper);
  border-radius: 3px;
}
.doc-tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #e9c79a;
  display: block;
  margin-bottom: 12px;
}
.doc-card-text h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.5rem;
  margin-bottom: 12px;
}
.doc-card-text p { color: #ddd1bd; max-width: 600px; font-size: 0.98rem; }
.doc-download {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 15px 24px;
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  border-radius: 2px;
  transition: background .2s, transform .2s;
}
.doc-download:hover { background: #fff; transform: translateY(-2px); }
.doc-download svg {
  width: 18px; height: 18px;
  fill: none; stroke: var(--ink);
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

/* ---------- sequencing ---------- */
.seq-intro { color: var(--ink-soft); max-width: 680px; margin-bottom: 24px; }
.seq-arc, .lumbar-grid, .worked-seqs { margin-bottom: 64px; }
.seq-arc h3, .lumbar-grid h3, .worked-seqs h3,
.principles-list h3, .gates h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.arc-steps { list-style: none; counter-reset: arc; max-width: 820px; }
.arc-steps li {
  counter-increment: arc;
  position: relative;
  padding: 18px 0 18px 56px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 1rem;
  color: var(--ink-soft);
}
.arc-steps li::before {
  content: counter(arc, decimal-leading-zero);
  position: absolute; left: 0; top: 18px;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--a);
}
.arc-steps li span:first-child {
  font-family: var(--serif);
  font-weight: 500;
  color: var(--ink);
}
.compare {
  margin-top: 22px;
  padding: 18px 22px;
  background: var(--paper-2);
  border-left: 3px solid var(--b);
  border-radius: 2px;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.compare strong { color: var(--b); }

.lumbar-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 8px;
}
.lumbar-card {
  padding: 28px 24px;
  border-radius: 3px;
  border: 1px solid var(--line);
  background: var(--paper);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s, transform .6s;
}
.lumbar-card.in { opacity: 1; transform: none; }
.lumbar-letter {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 4rem;
  line-height: 0.8;
  display: block;
  margin-bottom: 14px;
}
.lumbar-card.a { border-top: 4px solid var(--a); }
.lumbar-card.a .lumbar-letter { color: var(--a); }
.lumbar-card.b { border-top: 4px solid var(--b); }
.lumbar-card.b .lumbar-letter { color: var(--b); }
.lumbar-card.c { border-top: 4px solid var(--c); }
.lumbar-card.c .lumbar-letter { color: var(--c); }
.lumbar-card h4 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.16rem;
  margin-bottom: 10px;
}
.lumbar-card p { font-size: 0.94rem; color: var(--ink-soft); }

.two-col {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  margin-bottom: 64px;
}
.principles-list ul { list-style: none; }
.principles-list li {
  padding: 14px 0 14px 22px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.97rem;
  color: var(--ink-soft);
  position: relative;
}
.principles-list li::before {
  content: "";
  position: absolute; left: 0; top: 22px;
  width: 8px; height: 1.5px; background: var(--a);
}
.gate {
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 3px;
  margin-bottom: 14px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s, transform .6s;
}
.gate.in { opacity: 1; transform: none; }
.gate h4 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.1rem;
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.gate h4 span {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 400;
}
.gate p { font-size: 0.94rem; color: var(--ink-soft); }

.seq-flow-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.flow-card {
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--paper);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s, transform .6s;
}
.flow-card.in { opacity: 1; transform: none; }
.flow-card h4 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.2rem;
  margin-bottom: 10px;
}
.flow-card > p { font-size: 0.92rem; color: var(--ink-soft); margin-bottom: 16px; }
.flow { display: flex; flex-direction: column; gap: 0; }
.flow span {
  position: relative;
  padding: 8px 0 8px 22px;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--ink-soft);
  border-left: 1.5px solid var(--line);
  margin-left: 4px;
}
.flow span::before {
  content: "";
  position: absolute; left: -4.5px; top: 14px;
  width: 7px; height: 7px;
  background: var(--paper);
  border: 1.5px solid var(--ink-faint);
  border-radius: 50%;
}
.flow span.peak {
  font-family: var(--serif);
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--a);
  border-left-color: var(--a);
}
.flow span.peak::before { background: var(--a); border-color: var(--a); }

/* ---------- athletic ---------- */
.athletic-principle {
  padding: 26px 30px;
  background: var(--ink);
  color: #e6dcc9;
  border-radius: 3px;
  margin-bottom: 40px;
}
.athletic-principle strong { color: #f0d4a8; }

.season-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 56px;
}
.season {
  padding: 30px 26px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--paper);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s, transform .6s;
}
.season.in { opacity: 1; transform: none; }
.season-tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}
.season.pre .season-tag { color: var(--a); }
.season.in .season-tag, .season.in-season .season-tag { color: var(--b); }
.season.post .season-tag { color: var(--inv); }
.season h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  line-height: 1.1;
}
.season ul { list-style: none; }
.season li {
  font-size: 0.93rem;
  color: var(--ink-soft);
  padding: 0 0 14px 18px;
  position: relative;
}
.season li::before {
  content: "";
  position: absolute; left: 0; top: 9px;
  width: 7px; height: 1.5px; background: var(--ink-faint);
}

.soccer {
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
}
.soccer-head {
  padding: clamp(28px, 3.4vw, 44px);
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
}
.soccer-head h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  letter-spacing: -0.015em;
  margin-bottom: 16px;
}
.soccer-head p { color: var(--ink-soft); max-width: 760px; }
.soccer-target {
  margin-top: 16px;
  padding: 18px 22px;
  background: var(--paper);
  border-left: 3px solid var(--a);
  border-radius: 2px;
  font-size: 0.96rem;
}
.soccer-phases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.soccer-phase {
  padding: clamp(24px, 2.6vw, 34px);
  border-right: 1px solid var(--line-soft);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s, transform .6s;
}
.soccer-phase.in { opacity: 1; transform: none; }
.soccer-phase:last-child { border-right: none; }
.soccer-phase h4 {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--a);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}
.soccer-phase ul { list-style: none; }
.soccer-phase li {
  font-size: 0.91rem;
  color: var(--ink-soft);
  padding: 0 0 13px 18px;
  position: relative;
}
.soccer-phase li::before {
  content: "";
  position: absolute; left: 0; top: 9px;
  width: 6px; height: 6px; background: var(--a);
  border-radius: 50%;
}

/* ---------- footer ---------- */
.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(48px, 8vh, 88px) clamp(20px, 5vw, 56px);
  border-top: 1px solid var(--line);
}
.footer p { font-size: 0.9rem; color: var(--ink-faint); max-width: 760px; }
.footer-note { margin-top: 14px; font-style: italic; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .topnav { display: none; }
  .principles { grid-template-columns: 1fr; }
  .principle.wide { grid-column: auto; }
  .lumbar-cards, .seq-flow-cards, .season-cards { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .soccer-phases { grid-template-columns: 1fr; }
  .soccer-phase { border-right: none; border-bottom: 1px solid var(--line-soft); }
  .muscle-cols, .meta-row { grid-template-columns: 1fr; }
  .meta-row > div + div { padding-top: 16px; border-top: 1px dashed var(--line); }
}
@media (max-width: 560px) {
  body { font-size: 17px; }
  .hero { background-position: center 22%; }
  .wiki-controls { top: 60px; }
  .doc-card { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .principle, .lumbar-card, .season, .flow-card, .gate, .soccer-phase {
    opacity: 1 !important; transform: none !important; transition: none !important;
  }
}