/* Explain: Styles for UI components including buttons, cards, forms, and the runway rail navigation. */
.runway-rail {
    position: fixed;
    right: 1.25rem;
    top: 50%;
    z-index: 50;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 1rem;
    transform: translateY(-50%);
}

.rail-brand {
    position: fixed;
    left: 1rem;
    right: auto;
    top: 1rem;
    z-index: 55;
    display: block;
    width: 4.75rem;
    height: 4.75rem;
    text-decoration: none;
    filter: drop-shadow(0 12px 26px rgba(36, 33, 36, 0.26));
    transition: transform 240ms ease, filter 240ms ease;
}

.rail-brand:hover,
.rail-brand:focus-visible {
    transform: translateY(-3px) scale(1.03);
    filter: drop-shadow(0 16px 32px rgba(36, 33, 36, 0.32));
}

.rail-brand-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.rail-toggle {
    display: none;
    width: 3rem;
    height: 3rem;
    place-items: center;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: rgba(255, 248, 244, 0.86);
    box-shadow: var(--paper-shadow);
    cursor: pointer;
}

.hamburger-lines {
    display: grid;
    gap: 0.28rem;
    width: 1.25rem;
}

.hamburger-lines span {
    display: block;
    height: 2px;
    border-radius: 999px;
    background: var(--charcoal-ink);
    transition: transform 220ms ease, opacity 220ms ease;
}

.runway-rail.is-open .hamburger-lines span:nth-child(1) {
    transform: translateY(0.36rem) rotate(45deg);
}

.runway-rail.is-open .hamburger-lines span:nth-child(2) {
    opacity: 0;
}

.runway-rail.is-open .hamburger-lines span:nth-child(3) {
    transform: translateY(-0.36rem) rotate(-45deg);
}

.rail-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.55rem;
    padding: 0.85rem 0.7rem;
    border: 1px solid rgba(36, 33, 36, 0.12);
    border-radius: 999px;
    background: rgba(255, 248, 244, 0.72);
    backdrop-filter: blur(16px);
    box-shadow: 0 20px 60px rgba(36, 33, 36, 0.12);
}

.rail-tab {
    display: flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    color: var(--charcoal-ink);
    text-decoration: none;
}

.rail-marker {
    width: 0.7rem;
    height: 0.7rem;
    flex: 0 0 auto;
    border: 1px solid var(--rose-nude);
    border-radius: 999px;
    background: var(--rose-nude);
    transition: all 220ms ease;
}

.rail-label {
    max-width: 0;
    overflow: hidden;
    opacity: 0;
    padding-left: 0;
    transform: translateX(0.5rem);
    white-space: nowrap;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    transition: all 240ms ease;
}

.runway-rail:hover .rail-label,
.rail-tab:focus-visible .rail-label,
.rail-tab.is-active .rail-label {
    max-width: 9rem;
    padding-left: 0.65rem;
    opacity: 1;
    transform: translateX(0);
}

.rail-tab.is-active .rail-marker,
.rail-tab:hover .rail-marker {
    background: var(--charcoal-ink);
    border-color: var(--charcoal-ink);
    transform: scale(1.3);
}

.atelier-btn {
    min-height: 3.25rem;
    border-radius: 999px;
    padding-inline: 1.5rem;
    border: 1px solid var(--charcoal-ink);
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: all 240ms ease;
}

.atelier-btn-primary {
    background: var(--charcoal-ink);
    color: var(--warm-ivory);
}

.atelier-btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    color: var(--charcoal-ink);
    transform: translateY(-2px);
}

.atelier-btn-ghost {
    background: rgba(255, 248, 244, 0.55);
    color: var(--charcoal-ink);
}

.atelier-btn-ghost:hover {
    background: var(--powder-blush);
    transform: translateY(-2px);
}

.hero-editorial {
    position: relative;
    display: grid;
    min-height: 100vh;
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    overflow: hidden;
    padding-top: clamp(3rem, 5vh, 4rem);
}

.hero-copy {
    position: relative;
    z-index: 6;
    max-width: 48rem;
    padding-inline: clamp(1.25rem, 7vw, 7rem);
}

.hero-title {
    margin-top: 0.7rem;
    font-family: var(--font-heading);
    font-size: clamp(5rem, 17vw, 13rem);
    font-weight: 900;
    letter-spacing: -0.085em;
    line-height: 0.78;
}

.hero-deck {
    max-width: 38rem;
    margin-top: 1.8rem;
    color: var(--ink-soft);
    font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.hero-image-stack {
    position: absolute;
    inset: 0 0 0 auto;
    width: min(54vw, 48rem);
    z-index: 1;
    pointer-events: none;
}

.hero-model {
    position: absolute;
    object-fit: cover;
    filter: saturate(0.9) contrast(1.05);
    box-shadow: var(--blush-shadow);
}

.hero-model-main {
    right: 8vw;
    bottom: 0;
    width: min(34rem, 42vw);
    height: min(78vh, 50rem);
    border-radius: 16rem 16rem 0 0;
}

.hero-model-cutout {
    right: 1rem;
    top: 13vh;
    width: min(13rem, 18vw);
    height: min(26rem, 38vh);
    border: 10px solid var(--warm-ivory);
    transform: rotate(7deg);
}

.paper-layer {
    position: absolute;
    border-radius: var(--radius-large);
    background: linear-gradient(135deg, rgba(246, 214, 217, 0.92), rgba(255, 248, 244, 0.56));
    box-shadow: var(--paper-shadow);
}

.paper-one {
    right: 9vw;
    top: 10vh;
    width: 28vw;
    height: 62vh;
    transform: rotate(-8deg);
}

.paper-two {
    right: 28vw;
    bottom: 12vh;
    width: 22vw;
    height: 28vh;
    transform: rotate(12deg);
}

.vertical-headline {
    position: absolute;
    left: 1.25rem;
    top: 5rem;
    z-index: 2;
    writing-mode: vertical-rl;
    color: rgba(36, 33, 36, 0.18);
    font-family: var(--font-heading);
    font-size: clamp(2.25rem, 5vw, 4.6rem);
    font-weight: 900;
    letter-spacing: 0.08em;
}

.service-card,
.quote-card,
.campaign-card,
.contact-form,
.signature-card {
    border: 1px solid var(--border-color);
    background: var(--ivory-glass);
    box-shadow: 0 22px 60px rgba(139, 122, 114, 0.13);
    backdrop-filter: blur(14px);
}

.service-card {
    min-height: 22rem;
    justify-content: space-between;
    border-radius: var(--radius-large);
    padding: 1.5rem;
    transition: transform 240ms ease, background 240ms ease;
}

.service-card:hover {
    background: #fff;
    transform: translateY(-0.45rem);
}

.service-icon {
    display: grid;
    width: 3.2rem;
    height: 3.2rem;
    place-items: center;
    border-radius: 999px;
    background: var(--powder-blush);
    color: var(--charcoal-ink);
}

.service-card h3,
.campaign-card h3 {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 3vw, 2.6rem);
    line-height: 0.95;
}

.service-card p,
.campaign-card span,
.quote-card figcaption span,
.contact-note {
    color: var(--taupe-color);
}

.lookbook-tile {
    position: relative;
    min-height: 22rem;
    overflow: hidden;
    border-radius: var(--radius-large);
    background: var(--powder-blush);
    box-shadow: var(--blush-shadow);
}

.lookbook-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 500ms ease;
}

.lookbook-tile:hover img {
    transform: scale(1.045);
}

.tile-caption {
    position: absolute;
    inset: auto 1rem 1rem 1rem;
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
    border-radius: 1.25rem;
    background: rgba(255, 248, 244, 0.82);
    padding: 1rem;
    backdrop-filter: blur(12px);
}

.tile-caption span {
    color: var(--taupe-color);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.tile-caption strong {
    font-family: var(--font-heading);
    font-size: 1.7rem;
    line-height: 0.95;
}

.campaign-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.25rem;
    border-radius: var(--radius-large);
    padding: 1.35rem;
}

.campaign-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    line-height: 1;
    color: var(--rose-nude);
}

.campaign-card p {
    margin-bottom: 0.45rem;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.quote-card {
    border-radius: var(--radius-large);
    padding: clamp(1.5rem, 3vw, 2.4rem);
}

.quote-card blockquote {
    font-family: var(--font-heading);
    font-size: clamp(1.55rem, 3vw, 2.45rem);
    line-height: 1.05;
}

.quote-card figcaption {
    margin-top: 1.5rem;
    display: grid;
    gap: 0.2rem;
    font-weight: 800;
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: 1.25rem;
    background: rgba(255, 248, 244, 0.76);
}

.faq-item + .faq-item {
    margin-top: 0.75rem;
}

.faq-item .collapse-title {
    min-height: 4rem;
    font-weight: 800;
}

.contact-form {
    border-radius: var(--radius-large);
    padding: clamp(1.25rem, 3vw, 2rem);
}

.contact-form fieldset {
    margin-bottom: 1rem;
}

.contact-form label {
    margin-bottom: 0.35rem;
    display: block;
    color: var(--charcoal-ink);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.contact-form .input,
.contact-form .select,
.contact-form .textarea {
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.72);
    color: var(--charcoal-ink);
    border-radius: 1rem;
}

.contact-form .input::placeholder,
.contact-form .textarea::placeholder {
    color: rgba(139, 122, 114, 0.62);
}

.form-status {
    min-height: 1.5rem;
    margin-top: 0.85rem;
    color: var(--taupe-color);
    font-size: 0.9rem;
}

.form-status.is-success {
    color: #42644a;
}

.form-status.is-error {
    color: #9b373d;
}

.atelier-footer {
    position: relative;
    border-top: 1px solid var(--border-color);
    background: var(--charcoal-ink);
    color: var(--warm-ivory);
}

.footer-mark {
    color: var(--warm-ivory);
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 5.5rem);
    font-weight: 900;
    letter-spacing: -0.06em;
    line-height: 0.9;
    text-decoration: none;
}

.footer-links {
    display: grid;
    gap: 0.8rem;
}

.footer-links a {
    color: var(--warm-ivory);
    font-weight: 800;
    letter-spacing: 0.1em;
    text-decoration: none;
    text-transform: uppercase;
}

.footer-note {
    display: grid;
    align-content: end;
    gap: 0.4rem;
    color: rgba(255, 248, 244, 0.64);
    font-size: 0.9rem;
}

@media (max-width: 900px) {
    .runway-rail {
        right: 1rem;
        top: 50%;
        bottom: auto;
        flex-direction: column;
        align-items: flex-end;
        transform: translateY(-50%);
    }

    .rail-brand {
        left: 0.75rem;
        right: auto;
        top: 0.75rem;
        width: 3.5rem;
        height: 3.5rem;
        flex: 0 0 auto;
    }

    .rail-toggle {
        display: grid;
    }

    .rail-nav {
        display: none;
        width: min(15rem, calc(100vw - 2rem));
        max-width: calc(100vw - 2rem);
        align-items: stretch;
        border-radius: 1.35rem;
        flex-direction: column;
        overflow: visible;
    }

    .runway-rail.is-open .rail-nav {
        display: flex;
    }

    .rail-tab {
        justify-content: flex-start;
        padding-inline: 0.45rem;
    }

    .rail-label {
        display: inline;
        max-width: none;
        padding-left: 0.65rem;
        opacity: 1;
        transform: none;
    }

    .hero-image-stack {
        inset: auto 0 0 auto;
        width: 100%;
        opacity: 0.42;
    }

    .hero-model-main {
        right: 0;
        width: 58vw;
        min-width: 17rem;
        height: 58vh;
    }

    .hero-model-cutout,
    .paper-two,
    .vertical-headline {
        display: none;
    }

    .paper-one {
        right: -10vw;
        width: 70vw;
    }
}

.collection-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-rows: 15rem;
    gap: 1rem;
    margin-top: clamp(2rem, 5vw, 4rem);
}

.collection-tile {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-large);
    background: var(--powder-blush);
    box-shadow: var(--blush-shadow);
}

.collection-tile--featured {
    grid-column: span 2;
    grid-row: span 2;
}

.collection-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 600ms ease;
}

.collection-tile:hover img,
.collection-tile:focus-within img {
    transform: scale(1.05);
}

.collection-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 0.35rem;
    padding: 1.25rem;
    background: linear-gradient(180deg, rgba(36, 33, 36, 0) 38%, rgba(36, 33, 36, 0.86) 100%);
    color: var(--warm-ivory);
}

.collection-tag {
    color: rgba(255, 248, 244, 0.85);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.collection-name {
    font-family: var(--font-heading);
    font-size: clamp(1.7rem, 2.6vw, 2.2rem);
    line-height: 0.95;
}

.collection-tile--featured .collection-name {
    font-size: clamp(2.2rem, 3.4vw, 3.4rem);
}

.collection-text {
    display: none;
    max-width: 32rem;
    color: rgba(255, 248, 244, 0.82);
    font-size: 1rem;
}

.collection-tile--featured .collection-text {
    display: block;
}

.collection-cta {
    margin-top: 0.7rem;
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    gap: 0.55rem;
    align-self: flex-start;
    border: 1px solid rgba(255, 248, 244, 0.55);
    border-radius: 999px;
    padding-inline: 1.15rem;
    color: var(--warm-ivory);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 240ms ease;
}

.collection-cta:hover,
.collection-cta:focus-visible {
    background: var(--warm-ivory);
    border-color: var(--warm-ivory);
    color: var(--charcoal-ink);
}

@media (max-width: 980px) {
    .collection-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-auto-rows: 14rem;
    }

    .collection-tile--featured {
        grid-column: span 2;
        grid-row: span 1;
    }
}

@media (max-width: 640px) {
    .collection-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 18rem;
    }

    .collection-tile--featured {
        grid-column: span 1;
        grid-row: span 1;
    }
}