/* ==========================================================================
   Oxford Dance Centre — dance-classes-oxford.css
   Dance Classes Hub (dance-classes-in-cambridge.html) + all 20 class pages.
   Same visual language as hen-party.css — hero, pinboard, corkboard, FAQ.
   ========================================================================== */

/* --------------------------------------------------------------------------
   HERO — flat background, big centred type
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    background: #ededed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 90vh;
    padding: var(--sp-9) 0;
    overflow: hidden;
}

.hero__kanji {
    position: absolute;
    right: clamp(1rem, 4vw, 5rem);
    top: 50%;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    font-family: 'Yuji Boku', serif;
    font-size: clamp(8rem, 20vw, 18rem);
    color: var(--black);
    opacity: 0.06;
    letter-spacing: 0;
    line-height: 1;
    pointer-events: none;
    user-select: none;
}

.hero h1 {
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    letter-spacing: -0.04em;
    line-height: 1.0;
}

@keyframes postit-drop {
    0% {
        opacity: 0;
        transform: translateY(-50vh) rotate(-6deg);
    }
    55% {
        opacity: 1;
        transform: translateY(8px) rotate(2deg);
    }
    75% {
        transform: translateY(-3px) rotate(-1.5deg);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotate(-1.2deg);
    }
}

.hero__actions {
    position: absolute;
    bottom: var(--sp-7);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--sp-5);
    flex-wrap: wrap;
    justify-content: center;
}

.hero__note {
    position: relative;
    display: inline-block;
    background: var(--mustard-bright);
    color: var(--black);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--fs-sm);
    padding: var(--sp-4) var(--sp-5);
    box-shadow: 2px 3px 8px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition), box-shadow var(--transition);
    animation: postit-drop 0.9s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

.hero__note--1 {
    transform: rotate(-2deg);
    animation-delay: 0.7s;
}

.hero__note--2 {
    transform: rotate(1.5deg);
    animation-delay: 0.9s;
}

.hero__note:hover {
    transform: rotate(0deg) translateY(-4px);
    box-shadow: 3px 6px 16px rgba(0, 0, 0, 0.15);
}

.hero__note-tape {
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(0deg);
    width: 50px;
    height: 18px;
    background: rgba(255, 255, 255, 0.45);
    border-radius: 1px;
    pointer-events: none;
}

.hero__note--1 .hero__note-tape {
    transform: translateX(-50%) rotate(3deg);
}

.hero__note--2 .hero__note-tape {
    transform: translateX(-50%) rotate(-2deg);
    left: 45%;
}

/* --------------------------------------------------------------------------
   BREADCRUMB
   -------------------------------------------------------------------------- */
.breadcrumb {
    background: var(--white);
    border-bottom: 1px solid var(--line);
    padding: var(--sp-3) 0;
}

.breadcrumb__list {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: var(--fs-xs);
    color: var(--text-faint);
}

.breadcrumb__list li + li::before {
    content: "/";
    margin-right: var(--sp-2);
    color: var(--text-faint);
}

.breadcrumb__list a {
    color: var(--text-muted);
    transition: color var(--transition);
}

.breadcrumb__list a:hover {
    color: var(--black);
}

.breadcrumb__list [aria-current="page"] {
    color: var(--black);
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   INTRO — three-card grid
   -------------------------------------------------------------------------- */
.intro {
    background: var(--surface);
}

.intro__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-6);
}

.intro__card {
    padding: var(--sp-6);
    border: 1px solid var(--line);
    background: var(--ink);
}

.intro__card i {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--mustard-bright);
    color: var(--black);
    font-size: var(--fs-sm);
    margin-bottom: var(--sp-4);
}

.intro__card h3 {
    margin-bottom: var(--sp-3);
}

.intro__card p {
    color: var(--text-muted);
    font-size: var(--fs-sm);
    line-height: 1.65;
}

/* --------------------------------------------------------------------------
   CLASSES — post-it pinboard
   -------------------------------------------------------------------------- */
.classes__pinboard {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--sp-6);
}

.class-postit {
    position: relative;
    display: block;
    background: var(--mustard-bright);
    padding: 10px 10px 0 10px;
    box-shadow: 2px 3px 8px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition), box-shadow var(--transition);
}

.class-postit__tape {
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(0deg);
    width: 50px;
    height: 18px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 1px;
    pointer-events: none;
    z-index: 2;
}

.class-postit:nth-child(3n+1) { transform: rotate(-1.5deg); }
.class-postit:nth-child(3n+2) { transform: rotate(1.2deg); }
.class-postit:nth-child(3n+3) { transform: rotate(-0.8deg); }

.class-postit:nth-child(3n+1) .class-postit__tape { transform: translateX(-50%) rotate(2deg); }
.class-postit:nth-child(3n+2) .class-postit__tape { transform: translateX(-50%) rotate(-3deg); left: 45%; }
.class-postit:nth-child(3n+3) .class-postit__tape { transform: translateX(-50%) rotate(1.5deg); left: 55%; }

.class-postit img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
}

.class-postit h3 {
    padding: var(--sp-3) 0 0;
    font-size: var(--fs-base);
    color: var(--black);
    letter-spacing: -0.01em;
}

.class-postit p {
    font-size: var(--fs-xs);
    color: var(--black);
    line-height: 1.55;
    padding: var(--sp-2) 0 var(--sp-3);
}

.class-postit__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--black);
    padding-bottom: var(--sp-3);
}

.class-postit__link::after {
    content: "";
    position: absolute;
    top: 0;
    left: -4px;
    right: -4px;
    bottom: var(--sp-3);
    transform: rotate(-0.8deg);
    background: rgba(255, 255, 255, 0.45);
    border-radius: 1px;
    pointer-events: none;
    transition: opacity var(--transition);
}

.class-postit__link:hover::after {
    opacity: 0;
}

.class-postit__link i {
    font-size: 0.7em;
}

/* --------------------------------------------------------------------------
   VENUES
   -------------------------------------------------------------------------- */
.venues {
    background: var(--ink);
}

.venues__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-6);
}

.venue-card {
    padding: var(--sp-6);
    border: 1px solid var(--line);
    background: var(--ink);
}

.venue-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--mustard-bright);
    color: var(--black);
    font-size: var(--fs-sm);
    margin-bottom: var(--sp-4);
}

.venue-card h3 {
    margin-bottom: var(--sp-1);
}

.venue-card__address {
    display: block;
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    margin-bottom: var(--sp-3);
}

.venue-card p {
    font-size: var(--fs-sm);
    color: var(--text-muted);
    line-height: 1.6;
}

.venue-card--coming-soon {
    border-style: dashed;
}

.venue-card--suggest {
    border-style: dashed;
}

.venue-card--suggest .venue-card__icon {
    background: var(--red);
    color: var(--white);
}

/* --------------------------------------------------------------------------
   PRICING — corkboard
   -------------------------------------------------------------------------- */
.pricing-board {
    background: var(--surface);
}

.cork {
    position: relative;
    background: #a0856b;
    background-image:
        radial-gradient(ellipse at 20% 30%, rgba(0,0,0,0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 70%, rgba(255,255,255,0.05) 0%, transparent 50%);
    padding: var(--sp-8);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-6);
    box-shadow: inset 0 2px 12px rgba(0,0,0,0.2);
    border: 8px solid #8b7256;
}

/* Push-pin */
.cork__pin {
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: radial-gradient(circle at 40% 35%, #e84040, #b91c1c);
    box-shadow: 0 2px 4px rgba(0,0,0,0.35), inset 0 1px 2px rgba(255,255,255,0.3);
    z-index: 2;
}

/* Tape strip (for the card) */
.cork__tape {
    position: absolute;
    top: -7px;
    left: 50%;
    transform: translateX(-50%) rotate(-2deg);
    width: 60px;
    height: 20px;
    background: rgba(255,255,255,0.45);
    border-radius: 1px;
    z-index: 2;
}

/* Price notes — post-its pinned to the board */
.cork__note {
    position: relative;
    background: var(--mustard-bright);
    padding: var(--sp-6) var(--sp-5) var(--sp-5);
    box-shadow: 2px 3px 10px rgba(0,0,0,0.2);
    text-align: center;
}

.cork__note--1 { transform: rotate(-1.8deg); }
.cork__note--2 { transform: rotate(1.2deg); }

.cork__note h3 {
    font-size: var(--fs-md);
    color: var(--black);
    margin-bottom: var(--sp-2);
}

.cork__note p {
    font-size: var(--fs-xs);
    color: var(--black);
    line-height: 1.55;
    margin-bottom: var(--sp-4);
}

.cork__price {
    display: block;
    font-family: var(--font-display);
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--black);
    line-height: 1;
}

.cork__price small {
    font-size: var(--fs-xs);
    font-weight: 400;
    color: var(--black);
}

/* How-it-works card — white, taped */
.cork__card {
    position: relative;
    grid-column: 1 / -1;
    background: var(--white);
    padding: var(--sp-6) var(--sp-6) var(--sp-5);
    box-shadow: 2px 3px 10px rgba(0,0,0,0.15);
    transform: rotate(0.4deg);
}

.cork__card h3 {
    font-size: var(--fs-lg);
    color: var(--black);
    margin-bottom: var(--sp-5);
}

.cork__steps {
    list-style: none;
    counter-reset: cork-step;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-5);
}

.cork__steps li {
    counter-increment: cork-step;
    position: relative;
    padding-top: var(--sp-6);
    font-size: var(--fs-sm);
    color: var(--text-muted);
    line-height: 1.6;
    overflow: hidden;
}

.cork__steps li::before {
    content: "0" counter(cork-step);
    position: absolute;
    top: 0;
    left: 0;
    font-family: var(--font-display);
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--red);
}

/* Kanji reveal on each step hover */
.cork__steps li::after {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.8);
    font-family: 'Yuji Boku', serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--mustard);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease, transform 0.4s ease;
    z-index: 0;
}

.cork__steps li:nth-child(1)::after { content: "踊り"; }
.cork__steps li:nth-child(2)::after { content: "クラス"; }
.cork__steps li:nth-child(3)::after { content: "オックスフォード"; }
.cork__steps li:nth-child(4)::after { content: "舞"; }

.cork__steps li:hover::after {
    opacity: 0.25;
    transform: translate(-50%, -50%) scale(1);
}

.cork__steps strong {
    color: var(--black);
}

.cork__steps a {
    color: var(--black);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Flat-rate callout */
.cork__callout {
    position: relative;
    grid-column: 1 / -1;
    background: var(--white);
    padding: var(--sp-5) var(--sp-6);
    box-shadow: 2px 3px 10px rgba(0,0,0,0.15);
    text-align: center;
    transform: rotate(-0.3deg);
}

.cork__callout p {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: var(--fs-md);
    color: var(--black);
}

.cork__callout i {
    color: var(--red);
    margin-right: var(--sp-2);
}

/* --------------------------------------------------------------------------
   FAQ
   -------------------------------------------------------------------------- */
.faq {
    background: var(--surface);
}

.faq__list {
    max-width: 780px;
}

.faq__item {
    border-bottom: 1px solid var(--line);
}

.faq__item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--sp-5);
    padding: var(--sp-5) 0;
    font-weight: 700;
    font-size: var(--fs-md);
    color: var(--black);
    transition: color var(--transition);
}

.faq__item summary::-webkit-details-marker {
    display: none;
}

.faq__item summary i {
    color: var(--red);
    font-size: var(--fs-sm);
    transition: transform var(--transition);
    flex-shrink: 0;
}

.faq__item[open] summary {
    color: var(--text-muted);
}

.faq__item[open] summary i {
    transform: rotate(45deg);
}

.faq__item p {
    padding: 0 0 var(--sp-5);
    color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .venues__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero__kanji {
        display: none;
    }

    .intro__grid {
        grid-template-columns: 1fr;
    }

    .classes__pinboard {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }

    .cork {
        grid-template-columns: 1fr;
        padding: var(--sp-6);
    }

    .cork__steps {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .hero__note {
        width: 100%;
        text-align: center;
    }

    .classes__pinboard {
        grid-template-columns: 1fr;
        gap: var(--sp-5);
        max-width: 360px;
        margin: 0 auto;
    }

    .venues__grid {
        grid-template-columns: 1fr;
    }

    .cork {
        padding: var(--sp-5);
        border-width: 5px;
    }

    .cork__steps {
        grid-template-columns: 1fr;
    }
}