/* Ternwell Clay — a little room for making.
   Local OFL fonts, original photography and Bootstrap primitives.
   Native disabled controls stay disabled until their runtime handlers are ready. */

/* 01. Material, colour and typography */
@font-face {
  font-family: 'Space Grotesk';
  src: url('../fonts/SpaceGrotesk-Variable.ttf') format('truetype');
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
}
@font-face {
  font-family: 'Nunito Sans';
  src: url('../fonts/NunitoSans-Variable.ttf') format('truetype');
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
}
:root {
  color-scheme: light;
  --clay-canvas: #f7f7f2;
  --clay-surface: #fff;
  --clay-ink: #242946;
  --clay-muted: #62667b;
  --clay-accent: #414db4;
  --clay-accent-hover: #333e98;
  --clay-on-accent: #fff;
  --clay-soft: #eceefb;
  --clay-soft-raised: #f4f4fc;
  --clay-line: #dcdee6;
  --clay-line-strong: #c1c6d8;
  --clay-warm: #e7d8c0;
  --clay-warm-soft: #f3ede2;
  --clay-danger: #a63846;
  --clay-danger-bg: #fff2f1;
  --clay-success: #2f6258;
  --clay-success-bg: #eaf5ef;
  --clay-shadow: 0 3px 5px #24294603, 0 12px 32px -16px #24294624;
  --clay-shadow-lift: 0 6px 12px #24294606, 0 22px 45px -19px #24294640;
  --clay-radius: 1.4rem;
  --clay-radius-sm: 0.8rem;
  --clay-ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --bs-body-font-family: 'Nunito Sans', sans-serif;
  --bs-body-font-size: 1rem;
  --bs-body-color: var(--clay-ink);
  --bs-body-color-rgb: 36, 41, 70;
  --bs-body-bg: var(--clay-canvas);
  --bs-body-bg-rgb: 247, 247, 242;
  --bs-emphasis-color: var(--clay-ink);
  --bs-secondary-color: var(--clay-muted);
  --bs-secondary-bg: var(--clay-soft);
  --bs-tertiary-bg: var(--clay-soft-raised);
  --bs-primary: #414db4;
  --bs-primary-rgb: 65, 77, 180;
  --bs-link-color: var(--clay-accent);
  --bs-link-color-rgb: 65, 77, 180;
  --bs-link-hover-color: var(--clay-accent-hover);
  --bs-link-hover-color-rgb: 51, 62, 152;
  --bs-border-color: var(--clay-line);
  --bs-border-radius: var(--clay-radius-sm);
  --bs-border-radius-lg: 1.2rem;
  --bs-border-radius-xl: var(--clay-radius);
  --bs-focus-ring-color: #414db430;
}
[data-bs-theme='dark'] {
  color-scheme: dark;
  --clay-canvas: #1e2340;
  --clay-surface: #292e4b;
  --clay-ink: #f1f2f9;
  --clay-muted: #bdc2d9;
  --clay-accent: #bfc6ff;
  --clay-accent-hover: #dde1ff;
  --clay-on-accent: #20264d;
  --clay-soft: #343b60;
  --clay-soft-raised: #2e3454;
  --clay-line: #464e70;
  --clay-line-strong: #697398;
  --clay-warm: #4b4350;
  --clay-warm-soft: #343044;
  --clay-danger: #ffb4be;
  --clay-danger-bg: #443044;
  --clay-success: #addbc6;
  --clay-success-bg: #29473f;
  --clay-shadow: 0 3px 6px #0c102210, 0 16px 35px -15px #0c102255;
  --clay-shadow-lift: 0 5px 12px #0c102220, 0 24px 48px -18px #0c102280;
  --bs-body-color-rgb: 241, 242, 249;
  --bs-body-bg-rgb: 30, 35, 64;
  --bs-link-color-rgb: 191, 198, 255;
  --bs-link-hover-color-rgb: 221, 225, 255;
  --bs-focus-ring-color: #bfc6ff40;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 7rem;
}
body {
  min-width: 320px;
  margin: 0;
  font-size: 1rem;
  line-height: 1.65;
  background: var(--clay-canvas);
  color: var(--clay-ink);
  -webkit-font-smoothing: antialiased;
}
::selection {
  color: var(--clay-on-accent);
  background: var(--clay-accent);
}
h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6,
.brand,
.display-text,
.display-4,
.display-6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.13;
  color: var(--clay-ink);
  text-wrap: balance;
}
h1 {
  font-size: clamp(2.55rem, 4.8vw, 4.5rem);
  margin-bottom: 1.25rem;
}
h2 {
  font-size: clamp(1.9rem, 3.1vw, 2.9rem);
  margin-bottom: 1.1rem;
}
h3,
.h3 {
  font-size: clamp(1.4rem, 2vw, 1.7rem);
}
h4,
.h4 {
  font-size: 1.35rem;
}
h5,
.h5 {
  font-size: 1.125rem;
}
h6,
.h6 {
  font-size: 1rem;
  letter-spacing: -0.015em;
}
p {
  max-width: 72ch;
  margin-bottom: 1.1rem;
}
li + li {
  margin-top: 0.35rem;
}
ul,
ol {
  padding-left: 1.4rem;
}
a {
  color: var(--clay-accent);
  text-underline-offset: 0.24em;
  text-decoration-thickness: 1px;
}
a:hover {
  color: var(--clay-accent-hover);
}
img {
  max-width: 100%;
  height: auto;
}
figure {
  min-width: 0;
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
a,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}
button:not(:disabled),
summary {
  touch-action: manipulation;
}
:focus-visible {
  outline: 3px solid var(--clay-accent);
  outline-offset: 4px;
}
main:focus,
[tabindex='-1']:focus {
  outline: none;
}
[hidden] {
  display: none !important;
}
.container {
  width: 100%;
  max-width: 1320px;
  padding-inline: 2rem;
}
.section-space {
  padding-block: clamp(2.5rem, 4.3vw, 4rem);
}
.page-intro {
  position: relative;
  padding-top: 3.5rem;
  padding-bottom: 2rem;
}
.page-intro h1 {
  max-width: 21ch;
}
.page-intro .lead {
  max-width: 70ch;
  margin-bottom: 0;
}
.page-intro + .section-space {
  padding-top: 1.5rem;
}
.lead {
  font-size: 1.15rem;
  font-weight: 450;
  line-height: 1.65;
  color: var(--clay-muted);
}
.text-muted,
.small-note {
  color: var(--clay-muted) !important;
}
.small-note,
small,
.small {
  font-size: 0.875rem;
  line-height: 1.6;
}
.eyebrow {
  margin-bottom: 1rem;
  font-size: 0.75rem;
  font-weight: 850;
  line-height: 1.6;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--clay-accent);
}
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.section-heading h2 {
  margin-bottom: 0;
}
.section-heading .eyebrow {
  margin-bottom: 0.65rem;
}
.section-heading > .btn {
  flex-shrink: 0;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}
.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
  align-items: start;
  gap: 2rem;
}
.grid-2 > *,
.grid-3 > *,
.split-layout > * {
  min-width: 0;
}
.actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-block: 1.5rem;
}
.btn,
.ai-retry-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 46px;
  padding: 0.65rem 1.2rem;
  border-radius: 100px;
  font-size: 0.9375rem;
  font-weight: 800;
  line-height: 1.5;
  white-space: normal;
  text-decoration: none;
  transition:
    transform 180ms var(--clay-ease),
    box-shadow 180ms var(--clay-ease),
    background-color 180ms,
    border-color 180ms;
}
.btn-primary {
  --bs-btn-color: var(--clay-on-accent);
  --bs-btn-bg: var(--clay-accent);
  --bs-btn-border-color: var(--clay-accent);
  --bs-btn-hover-color: var(--clay-on-accent);
  --bs-btn-hover-bg: var(--clay-accent-hover);
  --bs-btn-hover-border-color: var(--clay-accent-hover);
  --bs-btn-active-color: var(--clay-on-accent);
  --bs-btn-active-bg: var(--clay-accent-hover);
  --bs-btn-active-border-color: var(--clay-accent-hover);
  --bs-btn-disabled-color: var(--clay-on-accent);
  --bs-btn-disabled-bg: var(--clay-accent);
  --bs-btn-disabled-border-color: var(--clay-accent);
  --bs-btn-disabled-opacity: 0.55;
  box-shadow:
    inset 0 1px 0 #ffffff20,
    0 4px 9px #414db41a;
}
.btn-outline-secondary,
.ai-retry-button {
  --bs-btn-color: var(--clay-ink);
  --bs-btn-bg: transparent;
  --bs-btn-border-color: var(--clay-line-strong);
  --bs-btn-hover-color: var(--clay-accent);
  --bs-btn-hover-bg: var(--clay-soft);
  --bs-btn-hover-border-color: var(--clay-accent);
  --bs-btn-active-color: var(--clay-accent);
  --bs-btn-active-bg: var(--clay-soft);
  --bs-btn-active-border-color: var(--clay-accent);
  --bs-btn-disabled-color: var(--clay-muted);
  --bs-btn-disabled-border-color: var(--clay-line-strong);
  --bs-btn-disabled-opacity: 0.6;
}
.btn:focus-visible,
.ai-retry-button:focus-visible {
  outline: 3px solid var(--clay-accent);
  outline-offset: 4px;
  box-shadow: none;
}
.btn:active:not(:disabled),
.ai-retry-button:active:not(:disabled) {
  transform: translateY(1px) scale(0.985);
}
.btn:disabled,
button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  cursor: not-allowed;
}
.btn[aria-pressed='true'] {
  color: var(--clay-accent);
  background: var(--clay-soft);
  border-color: var(--clay-accent);
}
.icon-button {
  width: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0.6rem;
}
.icon-button svg {
  flex-shrink: 0;
}
.skip-link {
  position: fixed;
  top: -6rem;
  left: 1rem;
  z-index: 1080;
  padding: 0.85rem 1.25rem;
  border-radius: 0.75rem;
  background: var(--clay-surface);
  color: var(--clay-accent);
  font-weight: 800;
  box-shadow: var(--clay-shadow-lift);
}
.skip-link:focus {
  top: 0.75rem;
}

/* 02. Studio navigation */
.site-notice {
  padding: 0.4rem 1.25rem;
  background: var(--clay-soft);
  color: var(--clay-muted);
  text-align: center;
  font-size: 0.75rem;
  line-height: 1.6;
}
.site-header {
  position: relative;
  z-index: 1020;
  background: var(--clay-canvas);
  border-bottom: 1px solid var(--clay-line);
}
.site-nav {
  --bs-navbar-color: var(--clay-ink);
  --bs-navbar-hover-color: var(--clay-accent);
  padding-block: 1.15rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.065em;
  text-decoration: none;
  color: var(--clay-ink);
}
.brand:hover {
  color: var(--clay-accent);
}
.brand > img {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  box-shadow: 0 3px 7px #414db418;
}
.brand small {
  display: block;
  margin-top: 0.25rem;
  font-family: 'Nunito Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 750;
  line-height: 1;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.site-nav .navbar-collapse {
  gap: 1rem;
}
.navbar-nav {
  align-items: center;
}
.navbar-nav li + li {
  margin-top: 0;
}
.site-nav .nav-link {
  position: relative;
  padding: 0.65rem 0.65rem;
  border-radius: 0.65rem;
  color: var(--clay-ink);
  font-size: 0.875rem;
  font-weight: 750;
  letter-spacing: -0.01em;
  transition:
    color 180ms,
    background-color 180ms;
}
.site-nav .nav-link:hover,
.site-nav .nav-link:focus-visible {
  color: var(--clay-accent);
  background: var(--clay-soft);
}
.site-nav .nav-link[aria-current='page'] {
  color: var(--clay-accent);
}
.site-nav .nav-link[aria-current='page']::after {
  content: '';
  position: absolute;
  bottom: 0.25rem;
  left: calc(50% - 3px);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.site-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.site-actions .btn {
  font-size: 0.8125rem;
  min-height: 44px;
  padding: 0.6rem 1rem;
}
.site-actions .icon-button {
  padding: 0.6rem;
  border-color: transparent;
  background: var(--clay-soft-raised);
}
.navbar-toggler {
  min-width: 46px;
  min-height: 46px;
  padding: 0.5rem;
  border: 1px solid var(--clay-line-strong);
  border-radius: 0.85rem;
  color: var(--clay-ink);
  background: var(--clay-surface);
}
.navbar-toggler:focus {
  box-shadow: 0 0 0 3px var(--bs-focus-ring-color);
}
.navbar-toggler-icon {
  width: 22px;
  height: 22px;
}
.navbar-toggler[aria-expanded='true'] {
  border-color: var(--clay-accent);
  background: var(--clay-soft);
}

/* 03. The workshop canvas */
.home-intro {
  padding-top: 2.25rem;
  padding-bottom: 3rem;
}
.home-workbench {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr) minmax(190px, 0.57fr);
  align-items: stretch;
  gap: 1.5rem;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: start;
  justify-content: center;
  padding: 1.5rem 0;
}
.hero-copy .eyebrow {
  margin-bottom: 1.7rem;
}
.home-workbench h1 {
  font-size: clamp(3.5rem, 5.7vw, 5.4rem);
  line-height: 1.01;
  letter-spacing: -0.065em;
  margin-bottom: 1.6rem;
}
.clay-word {
  position: relative;
  display: inline-block;
  color: var(--clay-accent);
  padding-right: 0.08em;
}
.clay-word::after {
  content: '';
  position: absolute;
  left: 0.02em;
  right: 0.1em;
  bottom: -0.07em;
  height: 0.075em;
  border-radius: 50%;
  background: var(--clay-warm);
  transform: rotate(-3deg);
}
.hero-copy .lead {
  color: var(--clay-ink);
  font-size: 1.2rem;
  line-height: 1.55;
}
.hero-copy > p:not(.eyebrow, .lead) {
  font-size: 0.9375rem;
  color: var(--clay-muted);
}
.hero-copy .actions {
  margin-block: 0.75rem 1.1rem;
}
.hero-copy > .fw-bold {
  font-size: 0.875rem;
}
.fact-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  width: 100%;
  padding: 1.25rem 0 0;
  border-top: 1px solid var(--clay-line);
}
.fact-strip > div {
  padding-left: 0.85rem;
  border-left: 2px solid var(--clay-line-strong);
}
.fact-strip strong {
  display: block;
  font-size: 0.8125rem;
  font-weight: 850;
}
.fact-strip span {
  display: block;
  color: var(--clay-muted);
  font-size: 0.8125rem;
}
.workbench-photo {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 600px;
  margin: 0;
  padding: 0.6rem;
  border: 1px solid var(--clay-line);
  border-radius: 6rem 1.5rem 1.5rem 1.5rem;
  background: var(--clay-surface);
  box-shadow: var(--clay-shadow);
}
.workbench-photo > img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  flex: 1;
  object-fit: cover;
  object-position: 64% center;
  border-radius: 5.5rem 1rem 1rem 1rem;
}
.workbench-photo figcaption {
  padding: 1rem 0.6rem 0.35rem;
  font-size: 0.875rem;
  font-weight: 750;
  line-height: 1.5;
}
.workbench-photo figcaption span {
  padding-top: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--clay-muted);
}
.workbench-rail {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding-top: 1.4rem;
}
.rail-photo-card {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
  border: 1px solid var(--clay-line);
  border-radius: 1.25rem;
  background: var(--clay-surface);
  text-decoration: none;
  color: var(--clay-ink);
  box-shadow: var(--clay-shadow);
}
.rail-photo-card img {
  width: 100%;
  height: 185px;
  object-fit: cover;
  object-position: 45% center;
}
.rail-photo-card span {
  display: flex;
  align-items: center;
  padding: 0.9rem 1rem;
  font-size: 0.875rem;
  font-weight: 850;
}
.rail-session {
  display: flex;
  flex-direction: column;
  align-items: start;
  flex: 1;
  position: relative;
  padding: 1.2rem;
  border: 1px solid color-mix(in srgb, var(--clay-accent) 20%, var(--clay-line));
  border-radius: 1.25rem 1.25rem 3rem 1.25rem;
  background: linear-gradient(140deg, var(--clay-soft-raised), var(--clay-soft));
  box-shadow:
    inset 0 1px 0 #ffffff25,
    var(--clay-shadow);
}
.rail-session .eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.09em;
  margin-bottom: 1rem;
}
.calendar-date {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.035em;
  color: var(--clay-ink);
}
.rail-session .calendar-date {
  width: 100%;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--clay-line-strong);
}
.rail-session p {
  font-size: 0.875rem;
  line-height: 1.6;
}
.rail-session .btn {
  width: 100%;
  min-height: 44px;
  padding: 0.55rem 0.8rem;
  margin-top: auto;
  font-size: 0.875rem;
  background: color-mix(in srgb, var(--clay-surface) 55%, transparent);
}
.hero-collage {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 2rem;
}
.hero-visual {
  position: relative;
  min-height: 450px;
}
.hero-visual > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--clay-radius);
}
.hero-note {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  padding: 1.3rem;
  border: 1px solid var(--clay-line);
  border-radius: 1rem;
  background: var(--clay-surface);
  box-shadow: var(--clay-shadow);
}

/* 04. Workshops, photographs and material surfaces */
.card-surface,
.class-card,
.info-card,
.search-row {
  background: var(--clay-surface);
  border: 1px solid var(--clay-line);
  border-radius: var(--clay-radius);
  box-shadow: var(--clay-shadow);
}
.class-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.class-card > img {
  display: block;
  width: calc(100% - 1rem);
  height: 218px;
  margin: 0.5rem 0.5rem 0;
  object-fit: cover;
  border-radius: 1rem;
  transition:
    transform 300ms var(--clay-ease),
    filter 300ms;
}
.card-body-custom {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.4rem;
}
.class-card h3 {
  margin-bottom: 0.8rem;
}
.class-card h3 a,
.class-card h2 a {
  color: var(--clay-ink);
  text-decoration: none;
}
.class-card h3 a:hover,
.class-card h2 a:hover {
  color: var(--clay-accent);
}
.class-card p:not(.eyebrow) {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--clay-muted);
}
.class-card .card-meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  padding-top: 1rem;
  margin-top: auto;
  border-top: 1px solid var(--clay-line);
  font-size: 0.875rem;
}
.card-meta > span {
  color: var(--clay-muted);
}
.card-meta > strong {
  color: var(--clay-ink);
  font-weight: 850;
}
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.2rem;
}
.card-actions .btn {
  min-height: 44px;
  font-size: 0.8125rem;
  padding: 0.6rem 1rem;
}
.card-actions .btn:first-child {
  flex: 1;
  border-color: var(--clay-accent);
  color: var(--clay-accent);
}
.card-actions .btn:last-child {
  flex-shrink: 0;
}
.badge-soft {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  max-width: 100%;
  padding: 0.35rem 0.7rem;
  border: 1px solid color-mix(in srgb, var(--clay-accent) 10%, transparent);
  border-radius: 100px;
  background: var(--clay-soft);
  color: var(--clay-accent);
  font-size: 0.75rem;
  font-weight: 850;
  line-height: 1.5;
}
.class-card .small-note {
  font-size: 0.8125rem;
}
.info-card {
  padding: 1.65rem;
}
.info-card > :last-child,
.card-body-custom > :last-child {
  margin-bottom: 0;
}
.info-card.text-decoration-none {
  display: flex;
  flex-direction: column;
  color: var(--clay-ink);
}
.info-card.text-decoration-none > span:last-child {
  margin-top: auto;
  padding-top: 1rem;
  font-size: 0.875rem;
  font-weight: 850;
  color: var(--clay-accent);
}
.info-card .eyebrow {
  margin-bottom: 1rem;
}
.info-card > p:not(.eyebrow) {
  color: var(--clay-muted);
}
.info-card h2 a {
  color: var(--clay-ink);
  text-decoration: none;
}
.info-card h2 a:hover {
  color: var(--clay-accent);
  text-decoration: underline;
}
.photo-panel {
  margin: 0;
}
.photo-panel img {
  display: block;
  width: 100%;
  max-height: 560px;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid var(--clay-line);
  border-radius: var(--clay-radius);
  box-shadow: var(--clay-shadow);
}
.photo-panel figcaption {
  padding: 0.65rem 0.15rem 0;
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--clay-muted);
}
[data-premium-card] {
  transition:
    transform 240ms var(--clay-ease),
    box-shadow 240ms var(--clay-ease),
    border-color 240ms;
}
[data-premium-card]:focus-visible,
[data-premium-card]:focus-within {
  border-color: var(--clay-accent);
  box-shadow: var(--clay-shadow-lift);
}
.studio-banner {
  position: relative;
  padding: clamp(1.5rem, 3.5vw, 3rem);
  overflow: hidden;
  border: 1px solid var(--clay-line);
  border-radius: 2rem;
  background:
    radial-gradient(ellipse at 100% 0, var(--clay-warm-soft), transparent 65%),
    linear-gradient(130deg, var(--clay-soft-raised), var(--clay-soft));
  box-shadow:
    inset 0 1px 0 #ffffff40,
    var(--clay-shadow);
}
.studio-banner > p {
  max-width: 64ch;
}
.studio-banner > :last-child {
  margin-bottom: 0;
}
.studio-banner .photo-panel img {
  max-height: 360px;
  aspect-ratio: 4 / 3;
}
.tutor-card {
  display: flex;
  flex-direction: column;
  align-items: start;
}
.tutor-card .btn {
  margin-top: auto;
}
.tutor-card ul {
  margin-bottom: 1.5rem;
}
.tutor-initials {
  display: grid;
  place-items: center;
  width: 100px;
  height: 100px;
  border: 1px solid var(--clay-line);
  border-radius: 50% 50% 42% 48%;
  background: radial-gradient(circle at 30% 20%, var(--clay-surface), var(--clay-soft));
  color: var(--clay-accent);
  font-size: 2.5rem;
  box-shadow:
    inset 0 2px 3px #ffffff30,
    0 7px 12px #24294608;
}
.tutor-card:nth-child(2) .tutor-initials {
  border-radius: 48% 42% 50% 50%;
  background: linear-gradient(135deg, var(--clay-warm-soft), var(--clay-warm));
  color: var(--clay-ink);
}
.tutor-card:nth-child(3) .tutor-initials {
  border-radius: 42% 50% 48% 50%;
}

/* 05. Useful forms, filters and booking summaries */
.control-bar {
  display: flex;
  align-items: end;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.35rem;
  margin-bottom: 1.6rem;
  border: 1px solid var(--clay-line);
  border-radius: 1.15rem;
  background: linear-gradient(120deg, var(--clay-soft-raised), var(--clay-soft));
  box-shadow: inset 0 1px 0 #ffffff30;
}
.control-bar label {
  display: block;
  flex: 1 1 200px;
  min-width: 0;
  font-size: 0.875rem;
  font-weight: 800;
}
.control-bar label > input,
.control-bar label > select {
  margin-top: 0.45rem;
}
.control-bar .btn {
  min-height: 48px;
  border-radius: 0.8rem;
}
.form-label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.form-control,
.form-select {
  min-height: 48px;
  padding: 0.72rem 0.9rem;
  border: 1px solid var(--clay-line-strong);
  border-radius: 0.75rem;
  background-color: var(--clay-surface);
  color: var(--clay-ink);
  font-size: 1rem;
  line-height: 1.5;
  box-shadow: 0 1px 2px #24294604;
  transition:
    border-color 160ms,
    box-shadow 160ms,
    background-color 160ms;
}
.form-select {
  padding-right: 2.5rem;
}
.form-control::placeholder {
  color: var(--clay-muted);
  opacity: 0.9;
}
.form-control:hover:not(:disabled),
.form-select:hover:not(:disabled) {
  border-color: var(--clay-accent);
}
.form-control:focus,
.form-select:focus {
  color: var(--clay-ink);
  border-color: var(--clay-accent);
  background-color: var(--clay-surface);
  box-shadow: 0 0 0 3px var(--bs-focus-ring-color);
}
.form-control:focus-visible,
.form-select:focus-visible {
  outline: 2px solid var(--clay-accent);
  outline-offset: 2px;
}
.form-control:disabled,
.form-select:disabled,
.form-control[readonly] {
  color: var(--clay-muted);
  background-color: var(--clay-soft-raised);
  border-color: var(--clay-line);
  opacity: 1;
}
textarea.form-control {
  min-height: 130px;
  resize: vertical;
  line-height: 1.75;
}
input[type='date'] {
  min-width: 0;
}
.form-check-input {
  flex-shrink: 0;
  width: 1.2rem;
  height: 1.2rem;
  border: 1px solid var(--clay-line-strong);
  background-color: var(--clay-surface);
  border-radius: 0.3rem;
  cursor: pointer;
}
.form-check-input:checked {
  border-color: #414db4;
  background-color: #414db4;
}
.form-check-input:focus {
  border-color: var(--clay-accent);
  box-shadow: 0 0 0 3px var(--bs-focus-ring-color);
}
label.d-flex {
  font-size: 0.9375rem;
  line-height: 1.65;
}
.form-section {
  min-width: 0;
  padding: 1.75rem;
  margin-block: 0 1.5rem;
  border: 1px solid var(--clay-line);
  border-radius: var(--clay-radius);
  background: var(--clay-surface);
  box-shadow: var(--clay-shadow);
}
.form-section legend {
  float: none;
  width: auto;
  max-width: 100%;
  margin-bottom: 0.85rem;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--clay-line);
  border-radius: 0.6rem;
  background: var(--clay-soft-raised);
  color: var(--clay-accent);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.025em;
}
.form-section .actions:last-child {
  margin-bottom: 0;
}
.form-section .mb-3 {
  margin-bottom: 1.3rem !important;
}
.form-section .small-note a {
  display: inline-block;
}
.invalid-feedback,
[aria-invalid='true'] + .invalid-feedback {
  margin-top: 0.5rem;
  color: var(--clay-danger);
  font-size: 0.875rem;
  line-height: 1.5;
}
.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--clay-danger);
}
.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--clay-danger) 18%, transparent);
}
.summary-card {
  position: relative;
  padding: 1.75rem;
  border: 1px solid color-mix(in srgb, var(--clay-accent) 20%, var(--clay-line));
  border-radius: var(--clay-radius);
  background: linear-gradient(145deg, var(--clay-soft-raised), var(--clay-soft));
  box-shadow:
    inset 0 1px 0 #ffffff25,
    var(--clay-shadow);
}
.summary-card > img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 1rem !important;
}
.summary-card > .eyebrow {
  margin-bottom: 0.8rem;
}
.summary-card > :last-child {
  margin-bottom: 0;
}
.summary-card .photo-panel img {
  aspect-ratio: 4 / 3;
}
.summary-card .display-6 {
  font-size: 2.5rem;
}
.summary-card dl {
  margin-block: 1.25rem;
}
.summary-card dl > div,
.detail-list > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.2rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--clay-line);
  font-size: 0.875rem;
}
.summary-card dt,
.detail-list dt {
  margin: 0;
  font-weight: 600;
  color: var(--clay-muted);
}
.summary-card dd,
.detail-list dd {
  max-width: 63%;
  margin: 0;
  text-align: right;
  font-weight: 800;
  overflow-wrap: anywhere;
}
.summary-card dl > .total-row {
  margin-top: 0.5rem;
  border-bottom: 0;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
}
.total-row dt {
  color: var(--clay-ink);
}
.total-row dd {
  color: var(--clay-accent);
}
.summary-card .actions {
  align-items: stretch;
  flex-direction: column;
}
.summary-card .actions .btn {
  width: 100%;
}
.summary-card hr {
  margin-block: 1.5rem;
  border-color: var(--clay-line-strong);
  opacity: 1;
}
.summary-card address {
  font-style: normal;
  line-height: 1.8;
}
.feedback {
  padding: 1rem 1.2rem;
  border: 1px solid var(--clay-line);
  border-left: 3px solid var(--clay-accent);
  border-radius: 0.85rem;
  background: var(--clay-soft-raised);
  font-size: 0.9375rem;
  line-height: 1.65;
  overflow-wrap: anywhere;
}
.feedback > :last-child {
  margin-bottom: 0;
}
.feedback[role='alert'] {
  color: var(--clay-danger);
  background: var(--clay-danger-bg);
  border-color: color-mix(in srgb, var(--clay-danger) 35%, var(--clay-line));
}
.feedback a {
  font-weight: 800;
}
.flow-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: making-step;
}
.flow-steps li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex: 1 1 160px;
  min-width: 0;
  margin: 0;
  padding: 1rem 1.2rem;
  border: 1px solid var(--clay-line);
  border-radius: 0.95rem;
  background: var(--clay-surface);
  color: var(--clay-muted);
  font-size: 0.875rem;
  font-weight: 800;
  counter-increment: making-step;
}
.flow-steps li::before {
  content: counter(making-step, decimal-leading-zero);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--clay-soft);
  color: var(--clay-accent);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.875rem;
}
.flow-steps [aria-current='step'] {
  border-color: var(--clay-accent);
  background: var(--clay-soft);
  color: var(--clay-accent);
}
.flow-steps [aria-current='step']::before {
  background: var(--clay-accent);
  color: var(--clay-on-accent);
}
[data-booking-root] .split-layout {
  margin-top: 2rem !important;
}
[data-booking-review] dl > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.75rem;
  border-bottom: 1px solid var(--clay-line);
}
[data-booking-review] dt {
  color: var(--clay-muted);
  font-weight: 600;
}
[data-booking-review] dd {
  margin: 0;
  text-align: right;
}
[data-bookings-list] .card-surface,
[data-bookings-list] .booking-card {
  padding: 1.5rem;
}
[data-bookings-list] .actions {
  margin-bottom: 0;
}
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: clamp(2rem, 5vw, 4rem) 1.5rem;
  border: 1px dashed var(--clay-line-strong);
  border-radius: var(--clay-radius);
  background: radial-gradient(ellipse at 50% 0, var(--clay-soft), transparent 75%);
  text-align: center;
}
.empty-state p {
  max-width: 57ch;
  color: var(--clay-muted);
  margin-inline: auto;
}
.empty-state h2 {
  max-width: 28ch;
}
.empty-state .btn {
  margin-top: 0.5rem;
}

/* 06. Timetable, tabs and studio reading */
.table-responsive {
  border: 1px solid var(--clay-line);
  border-radius: 1.2rem;
  background: var(--clay-surface);
  box-shadow: var(--clay-shadow);
}
.table {
  margin-bottom: 0;
  --bs-table-bg: var(--clay-surface);
  --bs-table-color: var(--clay-ink);
  --bs-table-border-color: var(--clay-line);
  --bs-table-hover-bg: var(--clay-soft-raised);
  --bs-table-hover-color: var(--clay-ink);
}
.timetable th {
  padding: 1rem 1.1rem;
  background: var(--clay-soft);
  color: var(--clay-muted);
  font-size: 0.8125rem;
  font-weight: 850;
  line-height: 1.5;
}
.timetable td {
  padding: 1.2rem 1.1rem;
  vertical-align: middle;
  font-size: 0.875rem;
  line-height: 1.6;
}
.timetable td:nth-child(2) {
  max-width: 240px;
}
.timetable td > a:not(.btn) {
  color: var(--clay-ink);
  text-decoration: none;
}
.timetable td > a:not(.btn):hover {
  color: var(--clay-accent);
  text-decoration: underline;
}
.timetable td .btn {
  min-height: 44px;
  padding: 0.6rem 1rem;
  font-size: 0.8125rem;
}
.timetable .calendar-date {
  display: block;
  white-space: nowrap;
}
.timetable .small-note {
  font-size: 0.8125rem;
}
.timetable tbody tr {
  transition: background-color 180ms;
}
.timetable tbody tr:last-child td {
  border-bottom-width: 0;
}
.nav-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.4rem;
  border: 1px solid var(--clay-line);
  border-radius: 1rem;
  background: var(--clay-soft);
}
.nav-tabs .nav-item {
  flex: 1 1 auto;
  margin: 0;
}
.nav-tabs .nav-link {
  width: 100%;
  min-height: 44px;
  margin: 0;
  padding: 0.7rem 0.9rem;
  border: 1px solid transparent;
  border-radius: 0.7rem;
  color: var(--clay-muted);
  font-size: 0.875rem;
  font-weight: 800;
  line-height: 1.5;
  transition:
    color 180ms,
    background-color 180ms,
    box-shadow 180ms;
}
.nav-tabs .nav-link:hover {
  border-color: var(--clay-line-strong);
  color: var(--clay-accent);
}
.nav-tabs .nav-link.active {
  background: var(--clay-surface);
  color: var(--clay-accent);
  border-color: var(--clay-line);
  box-shadow: 0 2px 5px #2429460c;
}
.nav-tabs .nav-link:focus-visible {
  outline: 2px solid var(--clay-accent);
  outline-offset: 1px;
}
.tab-content {
  padding: 0.4rem 0.15rem;
}
.tab-pane p,
.tab-pane li {
  color: var(--clay-muted);
}
.tab-pane strong {
  color: var(--clay-ink);
}
.tab-pane h2,
.tab-pane h3 {
  color: var(--clay-ink);
}
.prose {
  max-width: 780px;
  margin-inline: auto;
}
.prose p,
.prose li {
  line-height: 1.85;
}
.prose > p,
.prose > ul {
  color: var(--clay-muted);
}
.prose h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-size: 1.85rem;
}
.prose .studio-banner {
  margin-block: 2.5rem;
}
.prose .studio-banner h2 {
  font-size: 1.6rem;
}
.prose .actions {
  margin-top: 2rem;
}
.search-row {
  padding: 1.5rem 1.75rem;
  margin-bottom: 1rem;
}
.search-row .eyebrow {
  margin-bottom: 0.65rem;
}
.search-row h2 {
  font-size: 1.4rem;
  margin-bottom: 0.6rem;
}
.search-row h2 a {
  color: var(--clay-ink);
  text-decoration: none;
}
.search-row h2 a:hover {
  color: var(--clay-accent);
  text-decoration: underline;
}
.search-row p:last-child {
  margin-bottom: 0;
  color: var(--clay-muted);
}
.accordion {
  --bs-accordion-bg: var(--clay-surface);
  --bs-accordion-color: var(--clay-ink);
  --bs-accordion-border-color: var(--clay-line);
  --bs-accordion-btn-color: var(--clay-ink);
  --bs-accordion-btn-bg: var(--clay-surface);
  --bs-accordion-active-color: var(--clay-accent);
  --bs-accordion-active-bg: var(--clay-soft);
  --bs-accordion-btn-focus-box-shadow: inset 0 0 0 2px var(--clay-accent);
}
.accordion-item {
  overflow: hidden;
  margin-bottom: 0.75rem;
  border: 1px solid var(--clay-line) !important;
  border-radius: 1rem !important;
  box-shadow: var(--clay-shadow);
}
.accordion-button {
  min-height: 64px;
  padding: 1.15rem 1.3rem;
  font-family: 'Nunito Sans', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.5;
}
.accordion-button::after {
  width: 1.1rem;
  height: 1.1rem;
  margin-left: 1rem;
  background-size: 1.1rem;
}
.accordion-button:focus-visible {
  outline-offset: -4px;
}
.accordion-body {
  padding: 1.25rem 1.3rem 1.5rem;
  color: var(--clay-muted);
  line-height: 1.8;
}
.accordion-header {
  margin-bottom: 0;
}
[data-page-family='sitemap'] .info-card {
  display: flex;
  flex-direction: column;
}
[data-page-family='sitemap'] .info-card p:last-child {
  margin-top: auto;
  font-size: 0.9375rem;
}
[data-page-family='error-404'] main > .section-space {
  padding-block: 4rem;
}
[data-page-family='error-404'] .grid-2 > img {
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid var(--clay-line);
  box-shadow: var(--clay-shadow);
}
[data-page-family='error-404'] .form-section {
  margin-bottom: 0;
  background: var(--clay-soft);
  box-shadow: none;
}
[data-page-family='demo-sign-in'] .split-layout {
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
}
[data-page-family='demo-account'] .info-card {
  background: linear-gradient(145deg, var(--clay-surface), var(--clay-soft-raised));
}

/* 07. Related, separated dialog surfaces and visible API states */
.modal {
  --bs-modal-width: 600px;
  --bs-modal-bg: var(--clay-surface);
  --bs-modal-color: var(--clay-ink);
  --bs-modal-border-color: var(--clay-line);
  --bs-modal-header-border-color: var(--clay-line);
  --bs-modal-footer-border-color: var(--clay-line);
  padding: 0;
}
.modal-backdrop {
  --bs-backdrop-bg: #161b3d;
  --bs-backdrop-opacity: 0.48;
}
.modal-dialog {
  margin: 1.5rem auto;
  padding-inline: 0.75rem;
}
.modal-dialog-scrollable {
  height: calc(100% - 3rem);
}
.modal-content {
  border: 1px solid var(--clay-line-strong);
  border-radius: 1.6rem;
  overflow: hidden;
  box-shadow: 0 26px 90px #11173550;
}
.modal.fade .modal-dialog {
  transform: translateY(18px) scale(0.985);
  transition: transform 220ms var(--clay-ease);
}
.modal.show .modal-dialog {
  transform: none;
}
.modal-header {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.5rem;
  border-bottom: 1px solid var(--clay-line);
  background: linear-gradient(125deg, var(--clay-soft), var(--clay-soft-raised));
}
.modal-title {
  font-size: 1.5rem;
  line-height: 1.25;
  letter-spacing: -0.04em;
}
.modal-header .btn-close {
  flex-shrink: 0;
  width: 42px;
  min-width: 42px;
  height: 42px;
  margin: 0 0 0 auto;
  padding: 0.75rem;
  border: 1px solid var(--clay-line-strong);
  border-radius: 50%;
  background-color: var(--clay-surface);
  background-size: 12px;
  opacity: 0.85;
  box-sizing: border-box;
  transition:
    opacity 160ms,
    transform 160ms;
}
.modal-header .btn-close:hover {
  opacity: 1;
  transform: rotate(6deg);
}
.modal-header .btn-close:focus-visible {
  outline: 3px solid var(--clay-accent);
  outline-offset: 3px;
  box-shadow: none;
}
[data-bs-theme='dark'] .modal-header .btn-close {
  --bs-btn-close-filter: none;
  --bs-btn-close-bg: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m3 3 10 10M13 3 3 13' fill='none' stroke='%23F1F2F9' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
}
.modal-body {
  padding: 1.5rem;
  background: var(--clay-surface);
  overscroll-behavior: contain;
}
.modal-body > img {
  display: block;
  width: 100%;
  max-height: 250px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.modal-body > p:not(.small-note) {
  color: var(--clay-muted);
}
.modal-body > :last-child {
  margin-bottom: 0;
}
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.65rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--clay-line);
  background: linear-gradient(
    110deg,
    color-mix(in srgb, var(--clay-soft) 60%, var(--clay-surface)),
    var(--clay-soft-raised)
  );
}
.modal-footer > * {
  margin: 0;
}
.modal-footer .btn {
  min-height: 44px;
}
.list-group {
  gap: 0.45rem;
  --bs-list-group-bg: var(--clay-surface);
  --bs-list-group-color: var(--clay-ink);
  --bs-list-group-border-color: var(--clay-line);
  --bs-list-group-action-hover-color: var(--clay-accent);
  --bs-list-group-action-hover-bg: var(--clay-soft);
  --bs-list-group-action-active-bg: var(--clay-soft);
  --bs-list-group-action-active-color: var(--clay-accent);
}
.list-group-item {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0.8rem 1rem;
  border: 1px solid var(--clay-line) !important;
  border-radius: 0.75rem !important;
  font-size: 0.9375rem;
  font-weight: 700;
  transition:
    background-color 160ms,
    border-color 160ms;
}
.list-group-item::after {
  content: '↗';
  margin-left: auto;
  padding-left: 0.75rem;
  color: var(--clay-accent);
}
.list-group-item:hover,
.list-group-item:focus {
  border-color: var(--clay-accent) !important;
}
.list-group-item:focus-visible {
  outline-offset: 1px;
}
[data-command-count] {
  color: var(--clay-muted);
}
[data-ai-service] {
  padding: 2rem;
}
[data-ai-service] textarea {
  min-height: 240px;
}
[data-ai-result] {
  margin-top: 1.5rem;
}
.ai-result-text {
  color: var(--clay-ink);
  font-size: 1rem;
  line-height: 1.85;
}
.ai-usage {
  display: block;
  margin-top: 1.2rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--clay-line);
  color: var(--clay-muted);
  font-size: 0.8125rem;
}
.ai-error {
  background: var(--clay-danger-bg);
  border-color: color-mix(in srgb, var(--clay-danger) 35%, var(--clay-line));
  border-left-color: var(--clay-danger);
  color: var(--clay-ink);
}
.ai-error p {
  margin-bottom: 0.7rem;
}
.ai-error small {
  display: block;
  font-size: 0.8125rem;
  color: var(--clay-muted);
  overflow-wrap: anywhere;
}
.ai-upgrade-link {
  display: inline-block;
  margin-top: 0.75rem;
  padding-block: 0.3rem;
  font-size: 0.875rem;
  font-weight: 850;
}
.ai-retry-button {
  min-height: 44px;
  margin: 0.75rem 0 0;
  border: 1px solid var(--clay-line-strong);
  background: var(--clay-surface);
  color: var(--clay-ink);
}
[data-ai-state='loading'] {
  color: var(--clay-accent);
}
[data-ai-service][aria-busy='true'] [data-ai-submit] {
  opacity: 0.6;
  cursor: progress;
}

/* 08. A useful footer, in the same family of surfaces */
.site-footer {
  padding: 3.5rem 0 1.5rem;
  margin-top: 3rem;
  border-top: 1px solid var(--clay-line);
  background:
    radial-gradient(ellipse at 0 0, var(--clay-warm-soft), transparent 60%),
    linear-gradient(140deg, var(--clay-soft-raised), var(--clay-soft));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.45fr repeat(3, 1fr);
  gap: 2.5rem;
}
.footer-grid h2 {
  margin-bottom: 1rem;
  font-family: 'Nunito Sans', sans-serif;
  font-size: 0.875rem;
  font-weight: 850;
  letter-spacing: 0;
}
.footer-grid ul {
  padding: 0;
  margin: 0;
  list-style: none;
}
.footer-grid li + li {
  margin-top: 0;
}
.footer-grid li a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding-block: 0.25rem;
  color: var(--clay-muted);
  font-size: 0.875rem;
  text-decoration: none;
}
.footer-grid li a:hover {
  color: var(--clay-accent);
  text-decoration: underline;
}
.footer-grid > div:first-child > p {
  font-size: 0.9375rem;
  color: var(--clay-muted);
}
.footer-grid > div:first-child > .small-note {
  font-size: 0.75rem;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-top: 2.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--clay-line);
  color: var(--clay-muted);
  font-size: 0.75rem;
  line-height: 1.8;
}
.footer-bottom nav {
  display: block;
}
.footer-bottom a {
  display: inline-block;
  padding-block: 0.3rem;
  color: var(--clay-muted);
}
.footer-bottom a:hover {
  color: var(--clay-accent);
}

/* 09. Responsive layouts: comfortable controls, never a miniature desktop */
@media (min-width: 992px) {
  .split-layout > aside.summary-card {
    position: sticky;
    top: 1.5rem;
  }
}
@media (min-width: 992px) and (max-width: 1199.98px) {
  .site-nav .container {
    padding-inline: 1.5rem;
  }
  .site-nav .brand {
    font-size: 1.6rem;
    gap: 0.5rem;
  }
  .site-nav .brand > img {
    width: 40px;
    height: 40px;
  }
  .site-nav .brand small {
    font-size: 0.75rem;
    letter-spacing: 0.08em;
  }
  .site-nav .navbar-collapse {
    gap: 0.5rem;
  }
  .site-nav .nav-link {
    padding-inline: 0.42rem;
    font-size: 0.8125rem;
  }
  .site-actions {
    gap: 0.3rem;
    flex-wrap: nowrap;
  }
  .site-actions .btn {
    padding-inline: 0.75rem;
    font-size: 0.8125rem;
  }
  .site-actions .icon-button {
    min-width: 40px;
    width: 40px;
    padding: 0.5rem;
  }
}
@media (max-width: 1199.98px) {
  .home-workbench {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 1.5rem;
  }
  .home-workbench h1 {
    font-size: clamp(3.6rem, 6.8vw, 5rem);
  }
  .workbench-photo {
    min-height: 560px;
  }
  .workbench-rail {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr);
    padding-top: 0;
  }
  .rail-photo-card img {
    height: 230px;
  }
  .rail-session {
    display: grid;
    align-content: start;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: 1.5rem;
    padding: 1.5rem;
    border-radius: 1.25rem;
  }
  .rail-session .eyebrow {
    grid-column: 1 / -1;
  }
  .rail-session .calendar-date {
    grid-column: 1 / -1;
  }
  .rail-session h2 {
    grid-column: 1;
  }
  .rail-session p {
    grid-column: 1;
  }
  .rail-session > p:not(.eyebrow, .small-note) {
    grid-column: 2;
    grid-row: 3 / span 2;
    margin-top: 1rem;
  }
  .rail-session .btn {
    grid-column: 2;
    align-self: start;
  }
  .rail-session > .small-note:last-child {
    grid-column: 1 / -1;
  }
  .grid-3 {
    gap: 1.15rem;
  }
  .card-body-custom {
    padding: 1.2rem;
  }
  .class-card > img {
    height: 200px;
  }
  .class-card .card-meta {
    flex-direction: column;
    gap: 0.25rem;
  }
  .card-actions .btn {
    flex: 1 1 auto;
  }
  .split-layout {
    gap: 1.5rem;
  }
  .summary-card {
    padding: 1.4rem;
  }
  .footer-grid {
    gap: 1.75rem;
  }
}
@media (max-width: 991.98px) {
  .container {
    padding-inline: 1.75rem;
  }
  .site-nav {
    padding-block: 0.9rem;
  }
  .site-nav .navbar-collapse {
    padding-top: 1.1rem;
  }
  .site-nav .navbar-nav {
    align-items: stretch;
    gap: 0.2rem;
    padding-block: 0.5rem;
    border-top: 1px solid var(--clay-line);
  }
  .site-nav .nav-link {
    min-height: 46px;
    padding: 0.65rem 0.9rem;
    font-size: 1rem;
  }
  .site-nav .nav-link[aria-current='page'] {
    background: var(--clay-soft);
  }
  .site-nav .nav-link[aria-current='page']::after {
    top: calc(50% - 3px);
    bottom: auto;
    right: 1rem;
    left: auto;
  }
  .site-actions {
    gap: 0.6rem;
    padding: 0.9rem 0 0.25rem;
    border-top: 1px solid var(--clay-line);
  }
  .site-actions .btn {
    font-size: 0.875rem;
  }
  .site-actions .btn:last-child {
    margin-left: auto;
  }
  .home-intro {
    padding-top: 1.75rem;
  }
  .home-workbench h1 {
    font-size: clamp(3.2rem, 7.3vw, 4.6rem);
  }
  .workbench-photo {
    min-height: 560px;
    border-top-left-radius: 4rem;
  }
  .workbench-photo > img {
    border-top-left-radius: 3.5rem;
  }
  .hero-copy .eyebrow {
    margin-bottom: 1.2rem;
  }
  .hero-copy .lead {
    font-size: 1.1rem;
  }
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
  }
  .grid-2 {
    gap: 1.5rem;
  }
  .split-layout,
  [data-page-family='demo-sign-in'] .split-layout,
  .hero-collage {
    grid-template-columns: 1fr;
  }
  .split-layout > aside.summary-card {
    max-width: none;
  }
  .split-layout > aside.summary-card > img {
    max-height: 280px;
  }
  .summary-card .photo-panel img {
    max-height: 360px;
  }
  .summary-card .actions {
    flex-direction: row;
  }
  .summary-card .actions .btn {
    width: auto;
  }
  .section-heading {
    gap: 1rem;
  }
  .card-body-custom {
    padding: 1.4rem;
  }
  .class-card .card-meta {
    flex-direction: row;
  }
  .class-card > img {
    height: 220px;
  }
  .footer-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
  }
  .footer-grid > div:first-child {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 0 2rem;
  }
  .footer-grid > div:first-child .brand {
    align-self: start;
    grid-row: 1 / span 2;
  }
  .footer-grid > div:first-child p {
    margin-top: 0 !important;
  }
  /* A session agenda preserves real table content and its semantics. */
  [data-timetable] .table-responsive {
    overflow: visible;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }
  .timetable {
    display: block;
  }
  .timetable thead {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
  .timetable tbody {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }
  .timetable tbody tr {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-content: start;
    padding: 1.1rem;
    border: 1px solid var(--clay-line);
    border-radius: 1.1rem;
    background: var(--clay-surface);
    box-shadow: var(--clay-shadow);
  }
  .timetable td {
    display: block;
    min-width: 0;
    padding: 0.5rem 0;
    border: 0;
    background: transparent;
    font-size: 0.875rem;
  }
  .timetable td:first-child {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem;
    grid-column: 1 / -1;
    padding-top: 0;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--clay-line);
  }
  .timetable td:nth-child(2) {
    max-width: none;
    grid-column: 1 / -1;
    padding-top: 0.85rem;
  }
  .timetable td:nth-child(2) > a {
    display: inline-block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.15rem;
    line-height: 1.3;
  }
  .timetable td:nth-child(3)::before,
  .timetable td:nth-child(4)::before {
    display: block;
    margin-bottom: 0.2rem;
    font-size: 0.75rem;
    font-weight: 750;
    color: var(--clay-muted);
  }
  .timetable td:nth-child(3)::before {
    content: 'Studio time';
  }
  .timetable td:nth-child(4)::before {
    content: 'Your tutor';
  }
  .timetable td:nth-child(4) {
    padding-left: 0.6rem;
  }
  .timetable td:nth-child(5) {
    grid-column: 1 / -1;
  }
  .timetable td:last-child {
    grid-column: 1 / -1;
    padding-bottom: 0;
  }
  .timetable td .btn {
    width: 100%;
    margin-top: 0.25rem;
  }
}
@media (max-width: 767.98px) {
  .container {
    padding-inline: 1.5rem;
  }
  .page-intro {
    padding-top: 2.5rem;
    padding-bottom: 1.5rem;
  }
  .page-intro h1 {
    max-width: 18ch;
  }
  .lead {
    font-size: 1.0625rem;
  }
  .home-workbench {
    grid-template-columns: 1fr;
  }
  .home-workbench h1 {
    font-size: clamp(3.8rem, 11vw, 5rem);
  }
  .hero-copy {
    padding: 0.5rem 0 1rem;
  }
  .hero-copy > p {
    max-width: 48ch;
  }
  .fact-strip {
    grid-template-columns: 1fr 1fr;
  }
  .workbench-photo {
    min-height: 430px;
    height: 520px;
    max-height: none;
  }
  .workbench-photo > img {
    object-position: 65% center;
  }
  .workbench-rail {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
    gap: 1rem;
  }
  .rail-photo-card {
    height: 100%;
  }
  .rail-photo-card img {
    height: 100%;
    min-height: 200px;
    flex: 1;
  }
  .rail-photo-card span {
    padding: 0.85rem;
  }
  .rail-session {
    display: flex;
    padding: 1.1rem;
  }
  .rail-session > p:not(.eyebrow, .small-note) {
    margin-top: 0;
  }
  .rail-session h2 {
    margin-top: 1rem !important;
  }
  .rail-session .small-note:last-child {
    font-size: 0.75rem;
  }
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .class-card > img {
    height: 205px;
  }
  .card-body-custom {
    padding: 1.15rem;
  }
  .class-card .card-meta {
    flex-direction: column;
  }
  .class-card h3 {
    font-size: 1.4rem;
  }
  .card-actions .btn {
    width: 100%;
  }
  .section-heading {
    align-items: start;
  }
  .section-heading > .btn {
    max-width: 160px;
    font-size: 0.8125rem;
  }
  .studio-banner {
    border-radius: 1.5rem;
  }
  .footer-grid {
    gap: 1.5rem;
  }
  .footer-grid > div:first-child {
    display: block;
  }
  .footer-grid > div:first-child p {
    margin-top: 1rem !important;
  }
  .footer-bottom {
    align-items: start;
  }
  [data-page-family='journal-collection'] .class-card > img {
    height: auto;
    max-height: 330px;
    aspect-ratio: 16 / 9;
  }
  [data-page-family='error-404'] main > .section-space {
    padding-block: 2.5rem;
  }
  [data-page-family='error-404'] .grid-2 > img {
    max-height: 400px;
    width: 100%;
    aspect-ratio: 4 / 3;
  }
}
@media (max-width: 575.98px) {
  .container {
    padding-inline: 1.25rem;
  }
  .site-notice {
    padding: 0.45rem 1rem;
    font-size: 0.75rem;
  }
  .brand {
    font-size: 1.65rem;
  }
  .site-actions {
    display: grid;
    grid-template-columns: 44px 44px minmax(0, 1fr);
  }
  .site-actions .btn:last-child {
    grid-column: 1 / -1;
    width: 100%;
    margin-left: 0;
  }
  .site-actions .btn:nth-last-child(2) {
    justify-self: stretch;
  }
  .page-intro {
    padding-top: 2.25rem;
  }
  .page-intro + .section-space {
    padding-top: 1rem;
  }
  h1 {
    font-size: clamp(2.45rem, 9.5vw, 3.25rem);
  }
  h2 {
    font-size: 1.95rem;
  }
  .h3,
  h3 {
    font-size: 1.5rem;
  }
  .home-intro {
    padding-top: 1.5rem;
    padding-bottom: 2rem;
  }
  .home-workbench {
    gap: 1.25rem;
  }
  .home-workbench h1 {
    font-size: clamp(3.4rem, 12.8vw, 4.5rem);
  }
  .hero-copy .lead {
    font-size: 1.15rem;
  }
  .fact-strip {
    gap: 0.65rem;
    padding-top: 1rem;
  }
  .fact-strip > div {
    padding-left: 0.65rem;
  }
  .fact-strip strong,
  .fact-strip span {
    font-size: 0.8125rem;
  }
  .workbench-photo {
    min-height: 380px;
    height: 430px;
    border-top-left-radius: 3.5rem;
  }
  .workbench-photo > img {
    border-top-left-radius: 3rem;
  }
  .workbench-photo figcaption {
    padding: 0.85rem 0.4rem 0.25rem;
    font-size: 0.8125rem;
  }
  .workbench-rail {
    grid-template-columns: 1fr;
  }
  .rail-photo-card {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  }
  .rail-photo-card img {
    width: 100%;
    min-height: 0;
    height: 145px;
  }
  .rail-photo-card span {
    align-self: stretch;
    background: var(--clay-soft);
    font-size: 1rem;
  }
  .rail-session {
    padding: 1.4rem;
  }
  .rail-session h2 {
    margin-top: 1rem !important;
  }
  .rail-session .btn {
    margin-top: 0.25rem;
  }
  .section-space {
    padding-block: 2.25rem;
  }
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .grid-2 {
    gap: 1.5rem;
  }
  .section-heading {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
  }
  .section-heading > .btn {
    max-width: none;
    font-size: 0.875rem;
  }
  .class-card > img {
    height: auto;
    aspect-ratio: 16 / 10;
    max-height: 300px;
  }
  .card-body-custom {
    padding: 1.35rem;
  }
  .class-card h3 {
    font-size: 1.5rem;
  }
  .class-card .card-meta {
    flex-direction: row;
  }
  .card-actions .btn {
    width: auto;
    flex: 1 1 auto;
  }
  .card-actions .btn:last-child {
    flex: 0 1 auto;
  }
  .info-card {
    padding: 1.4rem;
  }
  .photo-panel img {
    aspect-ratio: 4 / 3;
  }
  .control-bar {
    gap: 1rem;
    padding: 1.1rem;
  }
  .control-bar label {
    flex-basis: 100%;
  }
  .control-bar > .btn {
    flex: 1 1 auto;
  }
  .control-bar label > input,
  .control-bar label > select {
    margin-top: 0.4rem;
  }
  .form-section,
  [data-ai-service] {
    padding: 1.25rem;
    border-radius: 1.1rem;
  }
  .form-section legend {
    font-size: 1rem;
  }
  .form-section .actions {
    gap: 0.65rem;
  }
  .form-section .actions .btn {
    flex: 1 1 auto;
  }
  .summary-card {
    padding: 1.4rem;
    border-radius: 1.2rem;
  }
  .summary-card .actions {
    flex-direction: column;
  }
  .summary-card .actions .btn {
    width: 100%;
  }
  .summary-card dl > div,
  .detail-list > div {
    gap: 0.85rem;
  }
  .flow-steps {
    gap: 0.6rem;
  }
  .flow-steps li {
    flex-basis: 100%;
    padding: 0.75rem 1rem;
  }
  .flow-steps li::before {
    width: 30px;
    height: 30px;
  }
  .nav-tabs {
    gap: 0.25rem;
    padding: 0.3rem;
  }
  .nav-tabs .nav-link {
    font-size: 0.8125rem;
    padding-inline: 0.6rem;
  }
  .nav-tabs .nav-item {
    flex-basis: 40%;
  }
  .timetable tbody {
    grid-template-columns: 1fr;
  }
  .timetable tbody tr {
    padding: 1.25rem;
  }
  .timetable td:nth-child(2) > a {
    font-size: 1.25rem;
  }
  .timetable .calendar-date {
    font-size: 1.05rem;
  }
  .timetable .small-note {
    font-size: 0.875rem;
  }
  .timetable td .btn {
    font-size: 0.875rem;
  }
  .prose h2 {
    font-size: 1.6rem;
    margin-top: 2rem;
  }
  .prose .studio-banner h2 {
    font-size: 1.4rem;
  }
  .search-row {
    padding: 1.3rem;
  }
  .accordion-button {
    padding: 1.1rem;
    font-size: 0.9375rem;
  }
  .accordion-body {
    padding: 1.1rem;
    font-size: 0.9375rem;
  }
  .modal-dialog {
    width: auto;
    margin: 0.75rem;
    padding: 0;
  }
  .modal-dialog-scrollable {
    height: calc(100% - 1.5rem);
  }
  .modal-content {
    border-radius: 1.2rem;
  }
  .modal-header {
    padding: 1.2rem;
    gap: 0.75rem;
  }
  .modal-title {
    font-size: 1.3rem;
  }
  .modal-body {
    padding: 1.2rem;
  }
  .modal-footer {
    padding: 1rem 1.2rem;
    gap: 0.65rem;
  }
  .modal-footer > .btn {
    flex: 1 1 auto;
    padding-inline: 0.9rem;
    font-size: 0.875rem;
  }
  .modal-header .btn-close {
    min-width: 40px;
    width: 40px;
    height: 40px;
  }
  [data-ai-service] textarea {
    min-height: 280px;
  }
  .site-footer {
    margin-top: 1.5rem;
    padding-top: 2.5rem;
  }
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.75rem 1.2rem;
  }
  .footer-grid > div:first-child {
    grid-column: 1 / -1;
  }
  .footer-grid > div:last-child {
    grid-column: 1 / -1;
  }
  .footer-grid > div:last-child ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1.2rem;
  }
  .footer-grid li a {
    min-height: 40px;
    font-size: 0.875rem;
  }
  .footer-bottom {
    margin-top: 1.75rem;
    padding-top: 1rem;
  }
  .footer-bottom a {
    min-height: 32px;
  }
}

/* 10. Deliberate hover and motion; content is visible without JavaScript */
@media (hover: hover) and (pointer: fine) {
  .btn:hover:not(:disabled),
  .ai-retry-button:hover:not(:disabled) {
    transform: translateY(-2px);
  }
  .btn-primary:hover:not(:disabled) {
    box-shadow: 0 6px 14px #414db432;
  }
  [data-premium-card]:hover {
    transform: translateY(-5px);
    border-color: color-mix(in srgb, var(--clay-accent) 50%, var(--clay-line));
    box-shadow: var(--clay-shadow-lift);
  }
  .class-card:hover > img {
    transform: scale(1.015);
  }
}
@keyframes clay-arrive {
  from {
    transform: translateY(12px);
  }
  to {
    transform: translateY(0);
  }
}
[data-reveal] {
  animation: clay-arrive 650ms var(--clay-ease) both;
}
.tab-pane.fade {
  transition: opacity 180ms var(--clay-ease);
}
.collapse,
.collapsing {
  transition-duration: 220ms;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
  [data-reveal],
  .modal.fade .modal-dialog,
  [data-premium-card]:hover,
  .btn:hover:not(:disabled) {
    transform: none;
  }
}
@media (forced-colors: active) {
  .btn,
  .badge-soft,
  .form-control,
  .form-select,
  .form-check-input {
    border: 1px solid ButtonText;
  }
  .btn:focus-visible,
  a:focus-visible {
    outline: 2px solid Highlight;
  }
}
@media print {
  .site-header,
  .site-notice,
  .site-footer,
  .modal,
  .actions,
  .control-bar,
  .skip-link,
  button {
    display: none !important;
  }
  body {
    color: #242946;
    background: #fff;
  }
  .section-space,
  .page-intro {
    padding-block: 1rem;
  }
  .container {
    max-width: none;
    padding-inline: 0;
  }
  .split-layout {
    display: block;
  }
  .summary-card,
  .class-card,
  .info-card {
    position: static !important;
    break-inside: avoid;
    color: #242946;
    background: #fff;
    box-shadow: none;
  }
  a {
    color: #242946;
  }
}