/* Drawing Circles — styles
   Modern minimal · gallery aesthetic · lots of whitespace */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
  text-rendering: optimizeLegibility;
}

#root { min-height: 100vh; }
#dc-root {
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  transition: background .25s ease, color .25s ease;
}

#dc-scroll {
  min-height: 100vh;
}

button { font-family: inherit; cursor: pointer; }
a { color: inherit; }

::selection { background: var(--ink); color: var(--bg); }

/* ──────────────────────────────────────── Utility */
.dc-kicker {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  display: inline-block;
}
.dc-muted { color: var(--muted); }
.dc-mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; }

.dc-btn {
  appearance: none;
  border: 0;
  background: var(--ink);
  color: var(--bg);
  padding: 14px 26px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 0;
  letter-spacing: 0.02em;
  transition: transform .15s ease, background .2s ease;
  text-transform: none;
}
.dc-btn:hover:not(:disabled) { background: #000; transform: translateY(-1px); }
.dc-btn:disabled { opacity: 0.35; cursor: not-allowed; }

.dc-btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.dc-btn-ghost:hover:not(:disabled) { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.dc-btn-wide { width: 100%; padding: 16px 22px; margin-top: 16px; }

.dc-link {
  background: transparent; border: 0; color: var(--ink);
  font-size: 14px; padding: 4px 0;
  border-bottom: 1px solid currentColor;
}

.dc-back {
  background: transparent; border: 0; color: var(--muted);
  font-size: 13px; padding: 0; margin-bottom: 40px;
}
.dc-back:hover { color: var(--ink); }

/* ──────────────────────────────────────── Nav */
.dc-nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 28px 48px;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.dc-nav nav {
  display: flex; align-items: center; gap: 8px;
}
.dc-nav-link {
  background: transparent; border: 0;
  font-size: 13px;
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 0;
  position: relative;
}
.dc-nav-link:hover { color: var(--ink); }
.dc-nav-link.is-active { color: var(--ink); }
.dc-nav-link.is-active::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 1px; background: var(--accent);
}
.dc-nav-cta {
  background: var(--accent); color: #fff;
  border: 0; padding: 11px 20px;
  border-radius: 0; font-size: 13px; font-weight: 500;
  margin-left: 16px;
  letter-spacing: 0.02em;
}
.dc-nav-cta:hover { background: var(--ink); }
.dc-nav-cta:hover { background: #000; }

/* Wordmark */
.dc-wordmark {
  background: transparent; border: 0; padding: 0;
  display: flex; align-items: center; gap: 12px;
  font-size: 16px; font-weight: 500; letter-spacing: -0.01em;
  color: var(--ink);
}
.dc-wm-svg {
  width: 26px; height: 26px;
  color: var(--accent);
  flex-shrink: 0;
  display: block;
}

/* ──────────────────────────────────────── Page shell */
.dc-page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 48px 140px;
  animation: dc-fade .4s ease;
}
@keyframes dc-fade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ──────────────────────────────────────── Hero · wordmark */
.dc-hero {
  padding: 60px 0 120px;
}
.dc-hero-wordmark { display: grid; grid-template-columns: 1fr 220px; gap: 64px; align-items: end; }
.dc-hero-inner { }
.dc-hero-title {
  font-family: var(--font-display);
  font-size: calc(104px * var(--hero-scale));
  line-height: 1.1;
  letter-spacing: -0.04em;
  font-weight: 400;
  margin: 28px 0 56px;
}
.dc-hero-line {
  display: block;
}
.dc-hero-line-circles {
  display: flex;
  align-items: center;
  gap: 20px;
}
.dc-hero-quiet { color: var(--muted); font-style: italic; }
.dc-hero-circles {
  display: inline-flex; align-items: center;
  padding: 0 4px;
}
.dc-hero-circles i {
  width: calc(86px * var(--hero-scale)); height: calc(86px * var(--hero-scale));
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

.dc-hero-sub {
  max-width: 540px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
  margin: 0 0 36px;
}
.dc-hero-ctas {
  display: flex; gap: 12px;
}
.dc-hero-meta {
  display: flex; flex-direction: column; gap: 20px;
  border-left: 1px solid var(--line); padding-left: 24px;
}
.dc-hero-meta > div {
  display: flex; flex-direction: column; gap: 4px;
}
.dc-hero-meta > div span {
  font-size: 10px; letter-spacing: 0.18em; color: var(--muted);
}
.dc-hero-meta > div p { margin: 0; font-size: 14px; }

/* Hero · manifesto */
.dc-hero-manifesto {
  max-width: 900px;
  padding: 40px 0 80px;
}
.dc-mf-body {
  font-family: var(--font-display);
  font-size: 48px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 36px 0 56px;
}
.dc-mf-body p { margin: 0 0 24px; }
.dc-mf-body em { color: var(--accent); font-style: italic; }
.dc-mf-bottom { display: flex; align-items: center; justify-content: space-between; }
.dc-mf-loc { color: var(--muted); font-size: 14px; }

/* Hero · index */
.dc-hero-index { padding: 40px 0 60px; }
.dc-hi-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 60px; }
.dc-hi-title {
  font-family: var(--font-display);
  font-size: 72px;
  line-height: 1;
  letter-spacing: -0.03em;
  font-weight: 400;
  margin: 0 0 60px;
}
.dc-hi-list { list-style: none; padding: 0; margin: 0 0 60px; border-top: 1px solid var(--line); }
.dc-hi-list li {
  display: grid;
  grid-template-columns: 40px 1fr 180px 160px 80px;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
  cursor: pointer;
  transition: padding-left .2s ease;
}
.dc-hi-list li:hover { padding-left: 12px; }
.dc-hi-list li span { font-family: ui-monospace, monospace; color: var(--muted); font-size: 12px; }
.dc-hi-list li b { font-weight: 500; font-size: 20px; font-family: var(--font-display); }
.dc-hi-list li em { font-style: normal; color: var(--muted); font-size: 13px; }
.dc-hi-list li u { text-decoration: none; font-size: 13px; }
.dc-hi-list li i { font-style: normal; font-family: ui-monospace, monospace; font-size: 13px; text-align: right; color: var(--accent); }

/* ──────────────────────────────────────── Philosophy */
.dc-philo {
  padding: 80px 0;
  border-top: 1px solid var(--line);
}
.dc-philo-row {
  display: grid; grid-template-columns: 200px 1fr; gap: 48px; margin-bottom: 60px;
  align-items: start;
}
.dc-philo-row h2 {
  font-family: var(--font-display);
  font-size: 40px; line-height: 1.15;
  letter-spacing: -0.02em; font-weight: 400;
  margin: 0; max-width: 800px;
}
.dc-philo-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px;
  padding-top: 40px; border-top: 1px solid var(--line);
}
.dc-philo-grid > div h4 {
  font-size: 16px; font-weight: 500; margin: 20px 0 8px;
}
.dc-philo-grid > div p { color: var(--muted); margin: 0; font-size: 14px; }

/* ──────────────────────────────────────── Photo */
.dc-photo {
  padding: 100px 0 80px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  align-items: start;
}
.dc-photo-head { position: sticky; top: 120px; }
.dc-photo-head h3 {
  font-family: var(--font-display);
  font-size: 44px;
  line-height: 1;
  letter-spacing: -0.03em;
  font-weight: 400;
  margin: 20px 0 0;
}
.dc-photo-head em {
  font-style: italic;
  color: var(--muted);
}
.dc-photo-frame { margin: 0; position: relative; }
.dc-photo-frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border: 1px solid var(--line);
}
.dc-photo-frame figcaption {
  display: flex;
  justify-content: space-between;
  padding: 12px 0 0;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: uppercase;
}
@media (max-width: 1024px) {
  .dc-photo { grid-template-columns: 1fr; gap: 32px; }
  .dc-photo-head { position: static; }
}

/* ──────────────────────────────────────── Upcoming rows */
.dc-upcoming { padding: 80px 0; border-top: 1px solid var(--line); }
.dc-sec-head {
  display: grid; grid-template-columns: 200px 1fr auto; gap: 24px;
  align-items: baseline; margin-bottom: 40px;
}
.dc-sec-head h3 {
  font-family: var(--font-display);
  font-size: 40px; margin: 0; font-weight: 400;
  letter-spacing: -0.02em;
}
.dc-up-list { border-top: 1px solid var(--line); }
.dc-up-row {
  width: 100%;
  display: grid;
  grid-template-columns: 56px 1fr 180px 160px 80px 24px;
  gap: 24px;
  align-items: baseline;
  padding: 28px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  text-align: left;
  transition: padding-left .2s ease;
}
.dc-up-row:hover { padding-left: 12px; }
.dc-up-num { font-family: ui-monospace, monospace; font-size: 12px; color: var(--muted); }
.dc-up-title { font-family: var(--font-display); font-size: 24px; font-weight: 400; }
.dc-up-cat { color: var(--muted); font-size: 13px; }
.dc-up-when { font-size: 13px; }
.dc-up-price { font-family: ui-monospace, monospace; font-size: 13px; text-align: right; color: var(--accent); }
.dc-up-arrow { color: var(--muted); transition: transform .2s ease, color .2s ease; }
.dc-up-row:hover .dc-up-arrow { color: var(--ink); transform: translateX(4px); }

/* ──────────────────────────────────────── Quote */
.dc-quote {
  padding: 140px 0 80px;
  border-top: 1px solid var(--line);
  text-align: center;
  position: relative;
}
.dc-quote::before {
  content: '';
  position: absolute; top: 80px; left: 50%; transform: translateX(-50%);
  width: 40px; height: 1px;
  background: var(--accent);
}
.dc-quote p {
  font-family: var(--font-display);
  font-size: 56px;
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.02em;
  font-weight: 400;
  font-style: italic;
}
.dc-quote p:nth-child(2) { color: var(--accent); font-style: italic; }
.dc-quote-attr {
  display: block; margin-top: 40px;
  font-size: 12px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted);
}

/* ──────────────────────────────────────── Catalog */
.dc-cat-head {
  max-width: 900px;
  margin-bottom: 60px;
}
.dc-cat-head h1 {
  font-family: var(--font-display);
  font-size: 96px;
  line-height: 0.92;
  letter-spacing: -0.045em;
  font-weight: 400;
  margin: 20px 0 28px;
}
.dc-cat-sub {
  font-size: 18px; color: var(--muted); max-width: 560px; margin: 0;
}

.dc-filters {
  display: flex; gap: 40px; align-items: center;
  padding: 24px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}
.dc-filter { display: flex; gap: 16px; align-items: center; }
.dc-filter-lbl { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.dc-filter-opts { display: flex; gap: 2px; }
.dc-filter-opts button {
  background: transparent; border: 0; padding: 6px 12px;
  font-size: 13px; color: var(--muted);
  border-radius: 999px;
}
.dc-filter-opts button:hover { color: var(--ink); }
.dc-filter-opts button.is-on { background: var(--accent); color: #fff; }
.dc-filter-count { margin-left: auto; font-family: ui-monospace, monospace; font-size: 12px; color: var(--muted); }

.dc-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.dc-cards-compact { grid-template-columns: repeat(4, 1fr); }
.dc-cards-gallery { grid-template-columns: repeat(2, 1fr); }

.dc-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: var(--card-pad);
  text-align: left;
  cursor: pointer;
  display: flex; flex-direction: column;
  min-height: 280px;
  transition: border-color .2s ease, transform .2s ease;
  position: relative;
}
.dc-card::before {
  content: ''; position: absolute; top: -1px; left: -1px; width: 10px; height: 10px;
  border-top: 1px solid var(--ink); border-left: 1px solid var(--ink);
  opacity: 0; transition: opacity .2s ease;
}
.dc-card::after {
  content: ''; position: absolute; bottom: -1px; right: -1px; width: 10px; height: 10px;
  border-bottom: 1px solid var(--ink); border-right: 1px solid var(--ink);
  opacity: 0; transition: opacity .2s ease;
}
.dc-card:hover { border-color: var(--ink); transform: translateY(-2px); }
.dc-card:hover::before, .dc-card:hover::after { opacity: 1; }

.dc-card-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 24px;
}
.dc-card-num { font-family: ui-monospace, monospace; font-size: 11px; color: var(--muted); letter-spacing: 0.08em; }
.dc-card-cat { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.dc-card-title {
  font-family: var(--font-display);
  font-size: 28px; line-height: 1.05;
  font-weight: 400;
  letter-spacing: -0.025em;
  margin: 0 0 12px;
}
.dc-cards-gallery .dc-card-title { font-size: 40px; }
.dc-card-short {
  color: var(--muted);
  font-size: 14px; line-height: 1.5;
  margin: 0 0 24px;
}
.dc-card-meta {
  display: flex; gap: 8px; font-size: 12px;
  color: var(--muted);
  margin-top: auto; margin-bottom: 20px;
}
.dc-card-foot {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-top: 16px; border-top: 1px solid var(--line);
}
.dc-card-next { font-size: 12px; color: var(--muted); }
.dc-card-price { font-family: ui-monospace, monospace; font-size: 14px; font-weight: 500; color: var(--accent); }

/* ──────────────────────────────────────── Class detail */
.dc-detail { max-width: 1100px; }
.dc-dt-head {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 80px;
  padding-bottom: 60px; border-bottom: 1px solid var(--line);
  margin-bottom: 60px;
}
.dc-dt-num { font-family: ui-monospace, monospace; font-size: 12px; color: var(--muted); letter-spacing: 0.14em; display: block; margin-bottom: 12px; }
.dc-dt-head h1 {
  font-family: var(--font-display);
  font-size: 72px; line-height: 1;
  letter-spacing: -0.03em; font-weight: 400;
  margin: 16px 0 28px;
}
.dc-dt-short {
  font-size: 20px; line-height: 1.45; color: var(--muted);
  max-width: 540px; margin: 0;
  font-family: var(--font-display); font-style: italic;
}
.dc-dt-head-r dl {
  display: grid; grid-template-columns: 100px 1fr;
  gap: 16px 24px; margin: 0;
  padding: 28px 0 0;
  border-top: 1px solid var(--line);
}
.dc-dt-head-r dt { color: var(--muted); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; }
.dc-dt-head-r dd { margin: 0; font-size: 15px; }

.dc-dt-body {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 80px;
  margin-bottom: 80px;
}
.dc-dt-about p {
  font-size: 17px; line-height: 1.6; margin: 16px 0;
}
.dc-dt-bring { color: var(--muted); font-size: 14px !important; padding-top: 16px; border-top: 1px solid var(--line); }
.dc-teacher-card {
  display: flex; gap: 24px; padding: 32px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 4px; margin-top: 16px;
}
.dc-teacher-avatar {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 500;
  font-family: var(--font-display);
  flex-shrink: 0;
}
.dc-teacher-card h4 { margin: 0 0 4px; font-size: 18px; font-weight: 500; }
.dc-teacher-card p { margin: 0 0 8px; font-size: 14px; line-height: 1.5; }
.dc-teacher-card .dc-muted { font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 12px; }

.dc-dt-sessions {
  padding-top: 60px; border-top: 1px solid var(--line);
}
.dc-sess-list { margin-top: 32px; border-top: 1px solid var(--line); }
.dc-sess-row {
  width: 100%;
  display: grid;
  grid-template-columns: 200px 200px 1fr 100px;
  gap: 24px;
  padding: 28px 0;
  border: 0; border-bottom: 1px solid var(--line);
  background: transparent; text-align: left;
  align-items: baseline;
  transition: padding-left .2s ease;
}
.dc-sess-row:hover:not(:disabled) { padding-left: 12px; }
.dc-sess-row:disabled { opacity: 0.4; cursor: not-allowed; }
.dc-sess-date { font-family: var(--font-display); font-size: 20px; }
.dc-sess-time { font-size: 14px; }
.dc-sess-seats { font-size: 13px; color: var(--muted); }
.dc-sess-go { font-size: 14px; text-align: right; color: var(--muted); }
.dc-sess-row:hover:not(:disabled) .dc-sess-go { color: var(--ink); }

/* ──────────────────────────────────────── Steps */
.dc-steps {
  list-style: none; padding: 0; margin: 0 0 60px;
  display: flex; gap: 8px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
}
.dc-steps li {
  flex: 1;
  display: grid;
  grid-template-columns: 16px auto 1fr;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
  position: relative;
}
.dc-step-dot {
  width: 10px; height: 10px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--bg);
  display: inline-block;
}
.dc-steps li.is-now .dc-step-dot { background: var(--accent); border-color: var(--accent); }
.dc-steps li.is-done .dc-step-dot { background: var(--accent); border-color: var(--accent); opacity: 0.5; }
.dc-steps li.is-now { color: var(--ink); }
.dc-step-num { font-family: ui-monospace, monospace; font-size: 11px; }
.dc-step-lbl { font-weight: 500; }

/* ──────────────────────────────────────── Booking · seats */
.dc-book-head {
  display: flex; justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
}
.dc-book-head h1 {
  font-family: var(--font-display);
  font-size: 64px; line-height: 1;
  letter-spacing: -0.03em; font-weight: 400;
  margin: 12px 0;
}
.dc-book-legend {
  display: flex; gap: 20px;
  font-size: 12px; color: var(--muted);
}
.dc-book-legend span { display: flex; align-items: center; gap: 8px; }
.dc-book-legend .dc-seat { width: 14px; height: 14px; position: static; padding: 0; }

.dc-studio {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 56px;
  margin-bottom: 32px;
  text-align: center;
}
.dc-studio-label {
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 12px;
}
.dc-studio-label:last-child { margin: 24px 0 0; }
.dc-stand {
  width: 80px; height: 16px;
  background: repeating-linear-gradient(45deg, var(--line), var(--line) 2px, transparent 2px, transparent 6px);
  margin: 0 auto 40px;
  border-top: 2px solid var(--ink);
}
.dc-seats {
  display: grid;
  grid-template-columns: repeat(4, 80px);
  gap: 16px;
  justify-content: center;
  margin-top: 40px;
}
.dc-seat {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: transparent;
  font-family: ui-monospace, monospace;
  font-size: 11px;
  color: var(--muted);
  display: flex; align-items: center; justify-content: center;
  transition: all .15s ease;
  padding: 0;
  justify-self: center;
}
.dc-seat-free:hover {
  border-color: var(--ink); color: var(--ink);
  transform: scale(1.05);
}
.dc-seat-taken {
  background: var(--line);
  color: transparent;
  border-color: var(--line);
  cursor: not-allowed;
}
.dc-seat-picked {
  background: var(--accent); color: #fff;
  border-color: var(--accent);
  transform: scale(1.08);
}

.dc-book-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 32px;
  border: 1px solid var(--line); border-radius: 4px;
  background: var(--card);
}
.dc-book-total {
  display: flex; align-items: center; gap: 20px;
}
.dc-book-total b {
  font-family: ui-monospace, monospace;
  font-size: 18px;
}

/* ──────────────────────────────────────── Checkout */
.dc-co-grid {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 80px;
}
.dc-co-form h1 {
  font-family: var(--font-display);
  font-size: 64px; line-height: 1;
  letter-spacing: -0.03em; font-weight: 400;
  margin: 12px 0 48px;
}

.dc-form-sect {
  padding: 32px 0;
  border-top: 1px solid var(--line);
}
.dc-form-sect:first-of-type { border-top: 0; padding-top: 0; }
.dc-form-sect h4 {
  font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 20px;
  color: var(--muted); font-weight: 500;
}
.dc-form-row {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}

.dc-field {
  display: flex; flex-direction: column; gap: 6px;
  margin-bottom: 16px;
}
.dc-field-lbl {
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted);
}
.dc-field input, .dc-field textarea {
  background: transparent;
  border: 0; border-bottom: 1px solid var(--line);
  padding: 10px 0;
  font-size: 16px;
  font-family: inherit;
  color: var(--ink);
  outline: none;
  resize: vertical;
}
.dc-field input::placeholder, .dc-field textarea::placeholder { color: var(--muted); opacity: 0.6; }
.dc-field input:focus, .dc-field textarea:focus { border-color: var(--ink); }
.dc-field.is-mono input { font-family: ui-monospace, monospace; letter-spacing: 0.06em; }
.dc-field.is-err input, .dc-field.is-err textarea { border-color: #c44; }
.dc-field-err { color: #c44; font-size: 11px; }

.dc-radios { display: grid; gap: 8px; }
.dc-radio {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
.dc-radio:hover { border-color: var(--ink); }
.dc-radio.is-on { border-color: var(--ink); background: color-mix(in oklab, var(--ink) 4%, var(--card)); }
.dc-radio input { margin-top: 4px; accent-color: var(--ink); }
.dc-radio span { display: flex; flex-direction: column; gap: 4px; }
.dc-radio b { font-weight: 500; font-size: 14px; }
.dc-radio em { font-style: normal; color: var(--muted); font-size: 13px; }

.dc-co-summary { position: sticky; top: 120px; align-self: start; }
.dc-summary-card {
  padding: 32px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 4px;
}
.dc-summary-card h3 {
  font-family: var(--font-display);
  font-size: 28px; margin: 12px 0 24px; font-weight: 400;
  letter-spacing: -0.02em;
}
.dc-summary-card dl {
  display: grid; grid-template-columns: 80px 1fr;
  gap: 10px 16px; margin: 0;
}
.dc-summary-card dt { color: var(--muted); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; }
.dc-summary-card dd { margin: 0; font-size: 14px; }
.dc-summary-card hr { border: 0; border-top: 1px solid var(--line); margin: 24px 0; }

.dc-sum-row {
  display: flex; justify-content: space-between;
  padding: 6px 0;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.dc-sum-total {
  padding-top: 14px; margin-top: 6px;
  border-top: 1px solid var(--line);
  font-size: 16px; font-weight: 500;
  color: var(--accent);
}
.dc-fineprint {
  font-size: 12px; color: var(--muted); margin: 16px 0 0;
  line-height: 1.5;
}

/* ──────────────────────────────────────── Confirmation */
.dc-confirm {
  max-width: 640px; text-align: center;
  padding-top: 80px;
}
.dc-cf-mark { color: var(--accent); margin: 40px auto 24px; }
.dc-cf-mark svg { display: block; margin: 0 auto; }
.dc-cf-title {
  font-family: var(--font-display);
  font-size: 64px; line-height: 1;
  letter-spacing: -0.03em; font-weight: 400;
  margin: 20px 0 16px;
}
.dc-cf-sub {
  color: var(--muted); font-size: 17px;
  margin: 0 0 48px;
}
.dc-cf-ticket {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 32px 40px;
  margin: 0 auto 48px;
  text-align: left;
}
.dc-tk-row {
  display: grid; grid-template-columns: 100px 1fr;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
}
.dc-tk-row:last-child { border-bottom: 0; }
.dc-tk-row dt { color: var(--muted); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; margin: 0; }
.dc-tk-row dd { margin: 0; font-size: 15px; }
.dc-cf-actions { display: flex; gap: 12px; justify-content: center; }

/* ──────────────────────────────────────── Instructors */
.dc-ins-list {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px;
}
.dc-ins-card {
  display: grid; grid-template-columns: 96px 1fr;
  gap: 28px;
  padding: 40px 0;
  border-top: 1px solid var(--line);
}
.dc-ins-avatar {
  width: 96px; height: 96px; border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 24px; font-weight: 400;
  letter-spacing: 0.02em;
}
.dc-ins-body h3 {
  font-family: var(--font-display);
  font-size: 28px; margin: 0 0 4px; font-weight: 400;
}
.dc-ins-body p { margin: 0 0 12px; font-size: 14px; line-height: 1.55; }
.dc-ins-body .dc-muted { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; }
.dc-ins-body ul {
  padding: 0; margin: 16px 0 0; list-style: none;
  display: flex; gap: 8px; flex-wrap: wrap;
}
.dc-ins-body li {
  font-size: 11px; letter-spacing: 0.08em;
  padding: 4px 10px;
  border: 1px solid var(--line); border-radius: 999px;
  color: var(--muted);
}

/* ──────────────────────────────────────── About */
.dc-about-body {
  max-width: 680px;
  margin-bottom: 80px;
}
.dc-lead {
  font-family: var(--font-display);
  font-size: 28px; line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0 0 32px;
}
.dc-about-body p { font-size: 17px; line-height: 1.6; margin: 0 0 20px; color: var(--ink); }
.dc-about-body p:not(.dc-lead) { color: var(--muted); }
.dc-about-rows {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px;
  padding: 48px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  margin-bottom: 80px;
}
.dc-about-rows h5 { margin: 0 0 12px; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
.dc-about-rows p { margin: 0; font-size: 14px; line-height: 1.55; }

.dc-faq dl { margin: 32px 0 0; }
.dc-faq dt {
  font-family: var(--font-display); font-size: 22px;
  padding-top: 28px; border-top: 1px solid var(--line);
  margin-top: 24px;
}
.dc-faq dt:first-of-type { margin-top: 0; }
.dc-faq dd { margin: 12px 0 0; color: var(--muted); font-size: 15px; line-height: 1.6; max-width: 640px; }

.dc-about-cta {
  margin-top: 120px;
  padding: 80px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 4px;
}
.dc-about-cta h2 {
  font-family: var(--font-display);
  font-size: 56px; margin: 0 0 32px; font-weight: 400;
  letter-spacing: -0.02em;
}

/* ──────────────────────────────────────── Footer */
.dc-footer {
  border-top: 1px solid var(--line);
  padding: 56px 48px 48px;
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px;
  max-width: 1280px; margin: 0 auto;
}
.dc-footer h5 { margin: 0 0 16px; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
.dc-footer p { margin: 0; font-size: 13px; line-height: 1.55; color: var(--muted); }
.dc-foot-addr { margin-top: 16px !important; }
.dc-foot-meta { display: flex; flex-direction: column; gap: 8px; justify-content: flex-end; font-size: 12px; color: var(--muted); }

/* ──────────────────────────────────────── Responsive */
@media (max-width: 1024px) {
  .dc-hero-title { font-size: 72px; line-height: 1.1; }
  .dc-cards, .dc-cards-compact { grid-template-columns: repeat(2, 1fr); }
  .dc-cards-gallery { grid-template-columns: 1fr; }
  .dc-dt-head, .dc-dt-body, .dc-co-grid { grid-template-columns: 1fr; gap: 48px; }
  .dc-ins-list { grid-template-columns: 1fr; }
  .dc-philo-row, .dc-sec-head { grid-template-columns: 1fr; }
  .dc-hero-wordmark { grid-template-columns: 1fr; }
  .dc-hero-meta { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 20px; flex-direction: row; flex-wrap: wrap; gap: 24px; }
}
@media (max-width: 640px) {
  .dc-page { padding: 40px 24px 80px; }
  .dc-nav { padding: 20px 24px; }
  .dc-hero-title { font-size: 52px; line-height: 1.1; }
  .dc-cat-head h1, .dc-hi-title { font-size: 56px; }
  .dc-cards, .dc-cards-compact { grid-template-columns: 1fr; }
  .dc-footer { grid-template-columns: 1fr; padding: 40px 24px; }
  .dc-about-rows, .dc-philo-grid { grid-template-columns: 1fr; gap: 32px; }
}