:root {
    --color-ink: #24201f;
    --color-ink-soft: #5f5854;
    --color-sidebar: #1d1b1a;
    --color-sidebar-soft: #2b2826;
    --color-paper: #fbf8f3;
    --color-white: #fffdf9;
    --color-accent: #b99162;
    --color-accent-light: #dec8aa;
    --color-blush: #b8877f;
    --color-line: rgba(65, 53, 45, 0.16);
    --color-focus: #f1cb8f;
    --sidebar-width: 290px;
    --mobile-header-height: 74px;
    --content-max: 1180px;
    --content-narrow: 820px;
    --space-1: 0.5rem;
    --space-2: 0.875rem;
    --space-3: 1.25rem;
    --space-4: 2rem;
    --space-5: 3.5rem;
    --space-6: clamp(5rem, 9vw, 9rem);
    --font-heading: "Playfair Display", Georgia, serif;
    --font-body: "DM Sans", "Helvetica Neue", Arial, sans-serif;
    --border-thin: 1px solid var(--color-line);
    --shadow-soft: 0 24px 70px rgba(34, 27, 22, 0.12);
    --transition: 220ms ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    background: var(--color-sidebar);
    color: var(--color-ink);
    font-family: var(--font-body);
    scroll-behavior: auto;
}

body {
    margin: 0;
    min-width: 320px;
    background: var(--color-paper);
    color: var(--color-ink);
    overflow-x: hidden;
}

a {
    color: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

:focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 4px;
}

.skip-link {
    position: fixed;
    z-index: 1000;
    top: var(--space-3);
    left: var(--space-3);
    padding: 0.8rem 1.1rem;
    background: var(--color-white);
    color: var(--color-ink);
    box-shadow: var(--shadow-soft);
    transform: translateY(-180%);
    transition: transform var(--transition);
}

.skip-link:focus {
    transform: translateY(0);
}

.site-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 20;
    display: flex;
    width: var(--sidebar-width);
    height: 100vh;
    padding: 34px 30px 30px;
    overflow: hidden;
    flex-direction: column;
    background:
        radial-gradient(circle at 50% 8%, rgba(185, 145, 98, 0.13), transparent 28%),
        var(--color-sidebar);
    color: #f8f2e9;
}

.logo-frame {
    display: grid;
    min-height: 150px;
    padding: 12px;
    border: 1px solid rgba(222, 200, 170, 0.38);
    background: #f8f4ee;
    text-decoration: none;
    box-shadow:
        0 16px 35px rgba(0, 0, 0, 0.25),
        inset 0 0 0 5px rgba(185, 145, 98, 0.08);
    place-content: center;
}

.logo-frame img {
    display: block;
    width: min(100%, 190px);
    height: auto;
    margin-inline: auto;
}

.primary-nav {
    margin: auto 0;
}

.primary-nav ul,
.mobile-menu ul {
    padding: 0;
    margin: 0;
    list-style: none;
}

.primary-nav li + li {
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.nav-link {
    position: relative;
    display: block;
    padding: 0.92rem 0.2rem;
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.83rem;
    font-weight: 500;
    letter-spacing: 0.13em;
    text-decoration: none;
    text-transform: uppercase;
    transition: color var(--transition), padding var(--transition);
}

.primary-nav .nav-link::before {
    position: absolute;
    top: 50%;
    left: -30px;
    width: 0;
    height: 1px;
    background: var(--color-accent-light);
    content: "";
    transition: width var(--transition);
}

.primary-nav .nav-link:hover,
.primary-nav .nav-link.is-active {
    padding-left: 12px;
    color: #fff;
}

.primary-nav .nav-link.is-active::before {
    width: 30px;
}

.sidebar-registration {
    display: flex;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    color: var(--color-accent-light);
    font-size: 0.76rem;
    font-weight: 600;
    justify-content: space-between;
    letter-spacing: 0.1em;
    text-decoration: none;
    text-transform: uppercase;
}

.site-content {
    position: fixed;
    inset: 0 0 0 var(--sidebar-width);
    height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
    background: var(--color-paper);
    scroll-behavior: smooth;
    scroll-padding-top: 0;
}

.section-anchor {
    scroll-margin-top: 0;
}

.hero-section {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
    background: #2a2523;
    color: white;
}

.hero-carousel,
.hero-slides,
.hero-slide {
    min-height: 100vh;
}

.hero-slide {
    position: absolute;
    inset: 0;
    display: grid;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity 700ms ease, visibility 700ms ease;
}

.hero-slide.is-current {
    position: relative;
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
}

.hero-slide::after {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(18, 16, 15, 0.78) 0%, rgba(18, 16, 15, 0.42) 48%, rgba(18, 16, 15, 0.14) 78%),
        linear-gradient(0deg, rgba(18, 16, 15, 0.58) 0%, transparent 45%);
    content: "";
}

.hero-image {
    position: absolute;
    inset: -3%;
    width: 106%;
    height: 106%;
    object-fit: cover;
    object-position: center;
    transform: translate3d(0, var(--hero-parallax-y, 0), 0);
    will-change: transform;
}

.hero-slide:nth-child(2) .hero-image {
    object-position: 50% 46%;
}

.hero-slide:nth-child(3) .hero-image {
    object-position: 52% 50%;
}

.hero-overlay {
    position: relative;
    z-index: 2;
    width: min(780px, calc(100% - 12vw));
    margin: auto auto 12vh 7vw;
}

.hero-overlay h1,
.hero-overlay h2 {
    max-width: 820px;
    margin: 0;
    font-family: var(--font-heading);
    font-size: clamp(3rem, 6.2vw, 6.7rem);
    font-weight: 500;
    letter-spacing: -0.035em;
    line-height: 0.98;
    text-wrap: balance;
}

.eyebrow {
    margin: 0 0 var(--space-3);
    color: var(--color-accent);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.hero-overlay .eyebrow {
    color: var(--color-accent-light);
}

.hero-supporting-text {
    max-width: 600px;
    margin: var(--space-4) 0 0;
    color: rgba(255, 255, 255, 0.84);
    font-size: clamp(1rem, 1.45vw, 1.25rem);
    line-height: 1.65;
}

.carousel-controls {
    position: absolute;
    z-index: 3;
    right: 5vw;
    bottom: 5vh;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.carousel-arrow {
    display: grid;
    width: 48px;
    height: 48px;
    padding: 0;
    border: 1px solid currentColor;
    border-radius: 50%;
    background: transparent;
    color: inherit;
    cursor: pointer;
    font: inherit;
    transition: background var(--transition), color var(--transition), transform var(--transition);
    place-items: center;
}

.carousel-arrow:hover {
    background: var(--color-accent);
    color: var(--color-sidebar);
    transform: translateY(-2px);
}

.carousel-dots {
    display: flex;
    gap: 10px;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: currentColor;
    color: inherit;
    cursor: pointer;
    opacity: 0.35;
}

.carousel-dot.is-active {
    outline: 1px solid currentColor;
    outline-offset: 4px;
    opacity: 1;
}

.screen-reader-status {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.content-surface {
    position: relative;
    z-index: 4;
    margin-top: -48px;
    border-radius: 28px 28px 0 0;
    background: var(--color-paper);
    box-shadow: 0 -22px 55px rgba(24, 19, 16, 0.14);
}

.content-section {
    padding: var(--space-6) clamp(2rem, 7vw, 7.5rem);
    border-bottom: var(--border-thin);
}

.section-inner {
    width: min(100%, var(--content-max));
    margin-inline: auto;
}

.narrow-inner {
    width: min(100%, var(--content-narrow));
    text-align: center;
}

.section-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(3rem, 8vw, 8rem);
}

.content-section h2,
.error-card h1 {
    margin: 0;
    font-family: var(--font-heading);
    font-size: clamp(2.7rem, 4.2vw, 4.5rem);
    font-weight: 500;
    letter-spacing: -0.03em;
    line-height: 1.05;
    text-wrap: balance;
}

.section-copy {
    max-width: 650px;
}

.section-copy p,
.empty-state p,
.error-card > p {
    color: var(--color-ink-soft);
    font-size: 1rem;
    line-height: 1.8;
}

.section-copy .lead {
    margin-top: 0;
    color: var(--color-ink);
    font-family: var(--font-heading);
    font-size: clamp(1.2rem, 1.6vw, 1.5rem);
    line-height: 1.55;
}

.about-section {
    padding-top: calc(var(--space-6) + 30px);
}

.about-intro {
    padding-bottom: var(--space-5);
}

.about-details {
    display: grid;
    padding: var(--space-5) 0;
    border-top: var(--border-thin);
    border-bottom: var(--border-thin);
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: clamp(3rem, 8vw, 8rem);
}

.dance-styles {
    display: grid;
    padding: 0;
    margin: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    list-style: none;
}

.dance-styles li {
    padding: 0.9rem 0;
    border-bottom: var(--border-thin);
    font-family: var(--font-heading);
    font-size: clamp(1.2rem, 2vw, 1.55rem);
}

.dance-styles li:nth-child(odd) {
    margin-right: var(--space-4);
}

.offering-note {
    margin: var(--space-4) 0 0;
    color: var(--color-ink-soft);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.contact-panel {
    display: grid;
    align-content: start;
    font-style: normal;
}

.contact-panel a {
    display: grid;
    padding: 1rem 0;
    border-bottom: var(--border-thin);
    color: var(--color-ink);
    line-height: 1.55;
    text-decoration: none;
    overflow-wrap: anywhere;
    transition: color var(--transition), padding var(--transition);
}

.contact-panel a:hover {
    padding-left: 0.4rem;
    color: #815f3c;
}

.contact-panel a span {
    color: var(--color-accent);
    font-size: 0.67rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.registration-callout {
    display: flex;
    margin-top: var(--space-5);
    padding: clamp(1.5rem, 4vw, 3rem);
    border: 1px solid rgba(185, 145, 98, 0.32);
    background: var(--color-white);
    box-shadow: 0 18px 50px rgba(34, 27, 22, 0.07);
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.registration-callout h3 {
    margin: 0;
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3vw, 2.7rem);
    font-weight: 500;
}

.registration-callout h3 span {
    display: block;
    margin-top: 0.35rem;
    color: var(--color-accent);
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.registration-callout p:not(.eyebrow) {
    margin: var(--space-2) 0 0;
    color: var(--color-ink-soft);
}

.registration-callout .button {
    margin: 0;
    flex: 0 0 auto;
}

.button-filetype {
    padding: 0.16rem 0.3rem;
    border: 1px solid currentColor;
    font-size: 0.58rem;
    letter-spacing: 0.08em;
}

.button {
    display: inline-flex;
    margin-top: var(--space-3);
    padding: 1rem 1.25rem;
    border: 1px solid var(--color-sidebar);
    background: var(--color-sidebar);
    color: white;
    align-items: center;
    gap: 1.3rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-decoration: none;
    text-transform: uppercase;
    transition: background var(--transition), color var(--transition), transform var(--transition);
}

.button:hover {
    background: var(--color-accent);
    color: var(--color-sidebar);
    transform: translateY(-2px);
}

.schedule-section {
    background: var(--color-white);
}

.schedule-heading {
    display: flex;
    padding-bottom: var(--space-5);
    border-bottom: var(--border-thin);
    align-items: end;
    justify-content: space-between;
    gap: var(--space-4);
}

.schedule-season {
    flex: 0 0 auto;
    text-align: right;
}

.schedule-season > p:first-child {
    margin: 0 0 0.3rem;
    color: var(--color-ink);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.17em;
    text-transform: uppercase;
}

.season-dates {
    margin: 0;
    color: var(--color-accent);
    font-family: var(--font-heading);
    font-size: 1.4rem;
}

.schedule-days {
    display: grid;
}

.schedule-day {
    display: grid;
    padding: var(--space-5) 0;
    border-bottom: var(--border-thin);
    grid-template-columns: minmax(150px, 0.25fr) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 5rem);
}

.schedule-day > h3 {
    position: sticky;
    top: var(--space-4);
    margin: 0;
    align-self: start;
    color: var(--color-accent);
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.5vw, 3.4rem);
    font-weight: 500;
    letter-spacing: -0.025em;
    line-height: 1;
}

.schedule-studios {
    min-width: 0;
}

.schedule-studio + .schedule-studio {
    margin-top: var(--space-5);
}

.schedule-studio > h4 {
    display: flex;
    margin: 0 0 var(--space-3);
    color: var(--color-ink);
    align-items: center;
    gap: var(--space-3);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.schedule-studio > h4::after {
    height: 1px;
    background: var(--color-line);
    content: "";
    flex: 1;
}

.schedule-table-wrap {
    min-width: 0;
}

.schedule-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.schedule-table th,
.schedule-table td {
    padding: 1rem 0.8rem;
    overflow-wrap: anywhere;
    text-align: left;
    vertical-align: top;
}

.schedule-table thead th {
    border-bottom: 1px solid rgba(65, 53, 45, 0.24);
    color: var(--color-ink-soft);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.schedule-table tbody tr {
    border-bottom: 1px solid rgba(65, 53, 45, 0.1);
}

.schedule-table tbody tr:nth-child(even) {
    background: rgba(185, 145, 98, 0.045);
}

.schedule-table tbody th {
    color: var(--color-ink);
    font-family: var(--font-heading);
    font-size: 1.02rem;
    font-weight: 500;
    line-height: 1.45;
}

.schedule-table tbody td {
    color: var(--color-ink-soft);
    font-size: 0.84rem;
    line-height: 1.55;
}

.schedule-table .schedule-time {
    color: var(--color-ink);
    font-weight: 600;
    white-space: normal;
}

.schedule-table th:nth-child(1),
.schedule-table td:nth-child(1) {
    width: 21%;
}

.schedule-table th:nth-child(2),
.schedule-table td:nth-child(2) {
    width: 28%;
}

.schedule-table th:nth-child(3),
.schedule-table td:nth-child(3) {
    width: 31%;
}

.schedule-table th:nth-child(4),
.schedule-table td:nth-child(4) {
    width: 20%;
}

.schedule-cards {
    display: none;
}

.schedule-note {
    display: flex;
    margin-top: var(--space-5);
    padding: var(--space-4);
    border: 1px solid rgba(185, 145, 98, 0.28);
    background: rgba(185, 145, 98, 0.06);
    color: var(--color-ink);
    align-items: center;
    gap: var(--space-3);
}

.schedule-note > span {
    color: var(--color-accent);
    font-size: 1.7rem;
    line-height: 1;
}

.schedule-note p {
    margin: 0;
    font-family: var(--font-heading);
    font-size: 1.08rem;
    line-height: 1.5;
}

.instructors-heading,
.videos-heading {
    margin-bottom: var(--space-5);
}

.instructor-profiles {
    border-top: var(--border-thin);
}

.instructor-profile {
    display: grid;
    padding: clamp(4rem, 8vw, 7.5rem) 0;
    border-bottom: var(--border-thin);
    grid-template-columns: minmax(250px, 0.76fr) minmax(0, 1.24fr);
    gap: clamp(3rem, 8vw, 8rem);
    align-items: center;
}

.instructor-profile.is-reversed .instructor-portrait {
    grid-column: 2;
}

.instructor-profile.is-reversed .instructor-copy {
    grid-row: 1;
}

.instructor-portrait {
    position: relative;
    width: min(100%, 380px);
    aspect-ratio: 3 / 4;
    padding: 0;
    margin: 0 auto;
    border: 8px solid var(--color-white);
    background: #e9e1d7;
    box-shadow: var(--shadow-soft);
    isolation: isolate;
    overflow: hidden;
}

.instructor-portrait::after {
    position: absolute;
    inset: 0;
    z-index: 1;
    border: 1px solid rgba(36, 32, 31, 0.12);
    content: "";
    pointer-events: none;
}

.instructor-portrait img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.instructor-copy {
    max-width: 690px;
}

.profile-number {
    margin: 0 0 var(--space-3);
    color: var(--color-accent);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.18em;
}

.instructor-copy h3 {
    margin: 0 0 var(--space-4);
    font-family: var(--font-heading);
    font-size: clamp(2.3rem, 3.8vw, 3.8rem);
    font-weight: 500;
    letter-spacing: -0.03em;
    line-height: 1.05;
}

.instructor-biography {
    max-width: 64ch;
}

.instructor-biography p {
    margin: 0;
    color: var(--color-ink-soft);
    font-size: clamp(0.98rem, 1.3vw, 1.08rem);
    line-height: 1.85;
}

.instructor-biography p + p {
    margin-top: var(--space-3);
}

.testimonials-section {
    background: #ede5dc;
}

.testimonials-heading {
    margin-bottom: var(--space-5);
}

.testimonial-carousel {
    position: relative;
}

.testimonial-viewport {
    position: relative;
    display: grid;
    min-height: clamp(440px, 45vw, 620px);
    align-items: center;
    isolation: isolate;
}

.testimonial-quote-mark {
    position: absolute;
    z-index: -1;
    top: -0.23em;
    left: 50%;
    color: rgba(185, 145, 98, 0.18);
    font-family: var(--font-heading);
    font-size: clamp(11rem, 24vw, 21rem);
    line-height: 1;
    transform: translateX(-50%);
    user-select: none;
}

.testimonial-slides {
    display: grid;
    align-items: center;
}

.testimonial-slide {
    grid-area: 1 / 1;
    margin: 0;
    opacity: 0;
    pointer-events: none;
    transform: translateX(12px);
    transition:
        opacity 500ms ease,
        transform 500ms ease,
        visibility 500ms ease;
    visibility: hidden;
}

.testimonial-slide.is-current {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
    visibility: visible;
}

.testimonial-slide > p {
    max-width: 36ch;
    margin: 0 auto;
    color: var(--color-ink);
    font-family: var(--font-heading);
    font-size: clamp(1.3rem, 2.2vw, 2rem);
    font-style: italic;
    line-height: 1.55;
    text-wrap: pretty;
}

.testimonial-slide footer {
    display: grid;
    margin-top: var(--space-4);
    justify-items: center;
    gap: 0.25rem;
}

.testimonial-slide footer strong {
    color: var(--color-ink);
    font-size: 0.83rem;
    font-weight: 600;
    letter-spacing: 0.08em;
}

.testimonial-slide footer span {
    color: var(--color-ink-soft);
    font-size: 0.67rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.testimonial-controls {
    display: flex;
    margin-top: var(--space-4);
    align-items: center;
    justify-content: center;
    gap: clamp(1.25rem, 4vw, 3rem);
}

.testimonial-dots {
    color: var(--color-accent);
}

.video-carousel {
    position: relative;
}

.video-slides {
    display: grid;
}

.video-slide {
    grid-area: 1 / 1;
    opacity: 0;
    pointer-events: none;
    transform: translateX(12px);
    transition:
        opacity 500ms ease,
        transform 500ms ease,
        visibility 500ms ease;
    visibility: hidden;
}

.video-slide.is-current {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
    visibility: visible;
}

.video-media {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-sidebar);
    box-shadow: var(--shadow-soft);
}

.video-frame,
.video-frame iframe {
    width: 100%;
    height: 100%;
}

.video-frame iframe {
    display: block;
    border: 0;
}

.video-fallback {
    display: grid;
    height: 100%;
    padding: var(--space-4);
    aspect-ratio: 16 / 9;
    background:
        radial-gradient(circle at center, rgba(185, 145, 98, 0.2), transparent 32%),
        var(--color-sidebar-soft);
    color: var(--color-white);
    justify-items: center;
    place-items: center;
    text-align: center;
    align-content: center;
}

.video-fallback-mark {
    display: grid;
    width: clamp(68px, 10vw, 92px);
    aspect-ratio: 1;
    border: 1px solid rgba(222, 200, 170, 0.5);
    color: var(--color-accent-light);
    font-family: var(--font-heading);
    font-size: clamp(2.25rem, 5vw, 3.6rem);
    place-items: center;
}

.video-fallback p {
    margin: var(--space-3) 0 0;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.video-external-link {
    margin-top: var(--space-3);
    border-color: rgba(222, 200, 170, 0.58);
    color: var(--color-white);
    gap: var(--space-1);
}

.video-copy {
    padding-top: var(--space-4);
    text-align: center;
}

.video-provider {
    margin: 0 0 var(--space-1);
    color: var(--color-accent);
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.17em;
    text-transform: uppercase;
}

.video-copy h3 {
    margin: 0;
    font-family: var(--font-heading);
    font-size: clamp(1.65rem, 3vw, 2.25rem);
    font-weight: 500;
    line-height: 1.3;
}

.video-description {
    margin: var(--space-1) 0 0;
    color: var(--color-ink-soft);
    font-size: 0.92rem;
}

.video-controls {
    display: flex;
    margin-top: var(--space-4);
    align-items: center;
    justify-content: center;
    gap: clamp(1.25rem, 4vw, 3rem);
}

.video-dots {
    color: var(--color-accent);
}

.site-footer {
    display: grid;
    padding: var(--space-5) clamp(2rem, 7vw, 7.5rem);
    background: var(--color-sidebar);
    color: rgba(255, 255, 255, 0.68);
    grid-template-columns: 1fr auto;
    gap: var(--space-4);
    font-size: 0.85rem;
}

.site-footer p {
    margin: 0.35rem 0;
}

.footer-name {
    color: white;
    font-family: var(--font-heading);
    font-size: 1.4rem;
}

.footer-contact {
    display: grid;
    gap: 0.45rem;
    text-align: right;
}

.footer-contact a {
    text-decoration-color: rgba(255, 255, 255, 0.25);
    text-underline-offset: 3px;
}

.footer-legal {
    padding-top: var(--space-3);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    grid-column: 1 / -1;
}

.mobile-header {
    display: none;
}

.error-page {
    min-height: 100vh;
    background:
        radial-gradient(circle at 80% 20%, rgba(184, 135, 127, 0.3), transparent 30%),
        var(--color-sidebar);
}

.error-shell {
    display: grid;
    min-height: 100vh;
    padding: var(--space-4);
    place-items: center;
}

.error-card {
    width: min(100%, 760px);
    padding: clamp(2rem, 7vw, 6rem);
    border: 1px solid rgba(222, 200, 170, 0.45);
    background: var(--color-paper);
    box-shadow: var(--shadow-soft);
}

.button-group {
    display: flex;
    margin-top: var(--space-4);
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.button-group .button {
    margin-top: 0;
}

.text-link {
    color: var(--color-ink);
    font-size: 0.85rem;
    font-weight: 600;
    text-underline-offset: 5px;
}

/* Primary responsive breakpoint: 900px. */
@media (max-width: 900px) {
    .site-sidebar {
        display: none;
    }

    .mobile-header {
        position: fixed;
        inset: 0 0 auto;
        z-index: 50;
        display: flex;
        height: var(--mobile-header-height);
        padding: 0 var(--space-3);
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        background: rgba(29, 27, 26, 0.97);
        color: white;
        align-items: center;
        justify-content: space-between;
    }

    .mobile-brand {
        display: flex;
        min-width: 0;
        align-items: center;
        gap: 0.8rem;
        font-size: 0.74rem;
        font-weight: 600;
        letter-spacing: 0.08em;
        text-decoration: none;
        text-transform: uppercase;
    }

    .mobile-logo-frame {
        display: grid;
        width: 42px;
        height: 50px;
        padding: 3px;
        border: 1px solid rgba(222, 200, 170, 0.5);
        background: var(--color-paper);
        box-shadow: inset 0 0 0 2px rgba(185, 145, 98, 0.08);
        place-items: center;
    }

    .mobile-logo-frame img {
        display: block;
        width: 100%;
        height: auto;
        max-height: 100%;
        object-fit: contain;
    }

    .menu-toggle {
        display: grid;
        width: 46px;
        height: 46px;
        padding: 12px;
        border: 1px solid rgba(255, 255, 255, 0.25);
        background: transparent;
        cursor: pointer;
        place-content: center;
        gap: 5px;
    }

    .menu-toggle span {
        display: block;
        width: 20px;
        height: 1px;
        background: white;
        transition: transform var(--transition), opacity var(--transition);
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle[aria-expanded="true"] span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    .mobile-menu {
        position: absolute;
        inset: var(--mobile-header-height) 0 auto;
        max-height: calc(100vh - var(--mobile-header-height));
        padding: var(--space-3);
        overflow-y: auto;
        background: var(--color-sidebar);
        box-shadow: var(--shadow-soft);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-12px);
        transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
        visibility: hidden;
    }

    .mobile-menu.is-open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
        visibility: visible;
    }

    .mobile-menu li + li {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .mobile-menu .nav-link {
        padding: 1rem 0.4rem;
    }

    .mobile-menu .nav-link.is-active {
        color: var(--color-accent-light);
    }

    .mobile-menu .nav-link-registration {
        color: var(--color-accent-light);
    }

    .site-content {
        position: relative;
        inset: auto;
        width: 100%;
        height: auto;
        padding-top: var(--mobile-header-height);
        overflow: visible;
        scroll-padding-top: var(--mobile-header-height);
    }

    .section-anchor {
        scroll-margin-top: var(--mobile-header-height);
    }

    .hero-section,
    .hero-carousel,
    .hero-slides,
    .hero-slide {
        min-height: calc(100svh - var(--mobile-header-height));
    }

    .hero-overlay {
        margin-bottom: 15vh;
    }

    .hero-image {
        inset: 0;
        width: 100%;
        height: 100%;
        transform: none;
        will-change: auto;
    }

    .content-surface {
        margin-top: -28px;
        border-radius: 22px 22px 0 0;
    }

    .about-details {
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }

    .schedule-heading {
        align-items: start;
    }

    .schedule-day {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .schedule-day > h3 {
        position: static;
    }

    .schedule-table-wrap {
        display: none;
    }

    .schedule-cards {
        display: grid;
        gap: var(--space-2);
    }

    .schedule-card {
        padding: var(--space-3);
        border: 1px solid rgba(65, 53, 45, 0.12);
        background: var(--color-paper);
    }

    .schedule-card-time {
        margin: 0 0 var(--space-1);
        color: var(--color-accent);
        font-size: 0.72rem;
        font-weight: 600;
        letter-spacing: 0.08em;
        text-transform: uppercase;
    }

    .schedule-card h5 {
        margin: 0;
        font-family: var(--font-heading);
        font-size: 1.35rem;
        font-weight: 500;
        line-height: 1.3;
    }

    .schedule-card dl {
        display: grid;
        margin: var(--space-3) 0 0;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--space-3);
    }

    .schedule-card dl > div {
        min-width: 0;
    }

    .schedule-card dt {
        margin-bottom: 0.2rem;
        color: var(--color-ink-soft);
        font-size: 0.58rem;
        font-weight: 600;
        letter-spacing: 0.09em;
        text-transform: uppercase;
    }

    .schedule-card dd {
        margin: 0;
        color: var(--color-ink);
        font-size: 0.83rem;
        line-height: 1.45;
        overflow-wrap: anywhere;
    }

    .instructor-profile,
    .instructor-profile.is-reversed {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .instructor-profile.is-reversed .instructor-portrait,
    .instructor-profile.is-reversed .instructor-copy {
        grid-column: auto;
        grid-row: auto;
    }

    .instructor-portrait {
        width: min(100%, 360px);
        justify-self: start;
    }

    .section-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
}

@media (max-width: 640px) {
    .content-section {
        padding: 4.5rem 1.35rem;
    }

    .hero-overlay {
        width: calc(100% - 2.7rem);
        margin-right: 1.35rem;
        margin-left: 1.35rem;
    }

    .hero-overlay h1,
    .hero-overlay h2 {
        font-size: clamp(2.8rem, 14vw, 4.8rem);
    }

    .hero-supporting-text {
        margin-top: var(--space-3);
        font-size: 1rem;
    }

    .carousel-controls {
        right: 1.35rem;
        left: 1.35rem;
        justify-content: space-between;
    }

    .schedule-heading {
        align-items: start;
        flex-direction: column;
        gap: var(--space-2);
    }

    .schedule-season {
        text-align: left;
    }

    .schedule-day {
        padding: var(--space-4) 0;
    }

    .schedule-day > h3 {
        font-size: 2.35rem;
    }

    .schedule-studio + .schedule-studio {
        margin-top: var(--space-4);
    }

    .schedule-card dl {
        grid-template-columns: 1fr;
        gap: var(--space-2);
    }

    .schedule-note {
        align-items: flex-start;
    }

    .dance-styles {
        grid-template-columns: 1fr;
    }

    .dance-styles li:nth-child(odd) {
        margin-right: 0;
    }

    .registration-callout {
        align-items: stretch;
        flex-direction: column;
    }

    .registration-callout .button {
        align-self: flex-start;
    }

    .instructor-profile {
        padding: var(--space-5) 0;
    }

    .testimonial-viewport {
        min-height: 560px;
    }

    .testimonial-slide > p {
        font-size: 1.2rem;
        line-height: 1.6;
    }

    .testimonial-controls {
        gap: var(--space-2);
    }

    .testimonial-controls .carousel-arrow {
        width: 46px;
        height: 46px;
        flex: 0 0 auto;
    }

    .video-controls {
        gap: var(--space-2);
    }

    .video-controls .carousel-arrow {
        width: 46px;
        height: 46px;
        flex: 0 0 auto;
    }

    .video-fallback {
        padding: var(--space-3);
    }

    .video-fallback-mark {
        width: 52px;
        font-size: 2rem;
    }

    .video-fallback p {
        margin-top: var(--space-2);
    }

    .video-external-link {
        margin-top: var(--space-2);
        padding: 0.75rem 1rem;
    }

    .site-footer {
        padding: var(--space-5) 1.35rem;
        grid-template-columns: 1fr;
    }

    .footer-contact {
        text-align: left;
    }

    .footer-legal {
        grid-column: auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }

    .hero-image {
        transform: none !important;
        will-change: auto;
    }
}