/* =========================================================================
   RESIDENCE DETAIL PAGE
   Editorial, asymmetric, hairline-separated. No cards, no shadows.
   ========================================================================= */

/* ------------------------------ HERO ------------------------------ */
.res-hero {
    position: relative;
    height: 78vh;
    min-height: 480px;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
}

.res-hero__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.res-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, transparent 45%);
}

.res-hero__content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 3rem var(--padding-x);
    color: #fff;
}

.res-hero__back {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-weight: 500;
    margin-bottom: 1.5rem;
    opacity: 0.85;
    border-bottom: 1px solid rgba(255,255,255,0.35);
    padding-bottom: 0.25rem;
    transition: border-color 0.4s var(--ease), opacity 0.4s var(--ease);
}
.res-hero__back:hover { opacity: 1; border-color: #fff; }

.res-hero__title {
    font-family: var(--font-serif);
    font-size: clamp(2.6rem, 6vw, 5rem);
    font-weight: 400;
    line-height: 1.05;
    letter-spacing: -0.02em;
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.res-hero__title em {
    font-style: italic;
    font-weight: 400;
}

.res-hero__index {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    font-weight: 500;
    opacity: 0.7;
    transform: translateY(-0.5em);
}

/* --------------------------- META STRIP --------------------------- */
.res-meta {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    padding: 0 var(--padding-x);
}

.res-meta__item {
    flex: 1;
    padding: 1.6rem 2rem 1.6rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.res-meta__item + .res-meta__item {
    border-left: 1px solid var(--border-color);
    padding-left: 2rem;
}

.res-meta__label {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    font-weight: 500;
}

.res-meta__value {
    font-family: var(--font-serif);
    font-size: clamp(1.15rem, 1.8vw, 1.5rem);
}

@media (max-width: 700px) {
    .res-meta { flex-direction: column; }
    .res-meta__item + .res-meta__item {
        border-left: none;
        border-top: 1px solid var(--border-color);
        padding-left: 0;
    }
    .res-meta__item { padding: 1.2rem 0; }
}

/* ------------------------- GALLERY (asymmetric) ------------------- */
.res-gallery {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: clamp(1.5rem, 3vw, 3rem);
    padding: 0 var(--padding-x) clamp(6rem, 12vh, 10rem);
    align-items: start;
}

.res-gallery__item { margin: 0; }
.res-gallery__item img { width: 100%; }

/* Deliberately uneven rhythm: wide, tall-offset, small, medium */
.res-gallery__item--1 { grid-column: 1 / span 8; }
.res-gallery__item--1 img { aspect-ratio: 16/10; }

.res-gallery__item--2 { grid-column: 9 / span 4; margin-top: clamp(3rem, 8vw, 7rem); }
.res-gallery__item--2 img { aspect-ratio: 3/4; }

.res-gallery__item--3 { grid-column: 2 / span 4; margin-top: clamp(2rem, 5vw, 4rem); }
.res-gallery__item--3 img { aspect-ratio: 4/5; }

.res-gallery__item--4 { grid-column: 7 / span 6; }
.res-gallery__item--4 img { aspect-ratio: 16/11; }

@media (max-width: 800px) {
    .res-gallery__item--1 { grid-column: 1 / span 12; }
    .res-gallery__item--2 { grid-column: 4 / span 9; margin-top: 0; }
    .res-gallery__item--3 { grid-column: 1 / span 9; margin-top: 0; }
    .res-gallery__item--4 { grid-column: 2 / span 11; }
}

/* --------------------------- MATERIALS ---------------------------- */
.res-materials__inner {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: clamp(3rem, 6vw, 6rem);
    align-items: center;
}

.res-materials__text .title-large { margin-bottom: 2rem; }
.res-materials__text .text-body-large { max-width: 34ch; }

.res-materials__board img {
    width: 100%;
    mix-blend-mode: multiply;
}

@media (max-width: 800px) {
    .res-materials__inner { grid-template-columns: 1fr; }
}

/* --------------------------- FLOOR PLANS -------------------------- */
.res-plans__header {
    margin-bottom: 3.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--text-color);
}

.unit {
    border-bottom: 1px solid var(--border-color);
}

.unit__summary {
    list-style: none;
    display: grid;
    grid-template-columns: 6rem 6rem 1fr auto;
    align-items: baseline;
    gap: 1.5rem;
    padding: 1.8rem 0;
    cursor: pointer;
    transition: color 0.4s var(--ease);
}
.unit__summary::-webkit-details-marker { display: none; }
.unit__summary:hover { color: var(--brand-brown); }

.unit__code {
    font-family: var(--font-serif);
    font-size: clamp(1.6rem, 2.6vw, 2.2rem);
    line-height: 1;
}

.unit__tag {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-weight: 500;
    color: var(--text-muted);
}

.unit__area {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    color: var(--text-muted);
    justify-self: end;
    text-align: right;
}
.unit__area-sep { margin: 0 0.5em; opacity: 0.5; }

/* thin plus/minus */
.unit__toggle {
    position: relative;
    width: 14px;
    height: 14px;
    align-self: center;
}
.unit__toggle::before,
.unit__toggle::after {
    content: '';
    position: absolute;
    background-color: currentColor;
    transition: transform 0.4s var(--ease);
}
.unit__toggle::before { top: 50%; left: 0; width: 100%; height: 1px; }
.unit__toggle::after  { left: 50%; top: 0; height: 100%; width: 1px; }
.unit[open] .unit__toggle::after { transform: scaleY(0); }

.unit__body {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: clamp(2rem, 5vw, 5rem);
    padding: 0 0 3.5rem;
}

.unit__plan img {
    width: 100%;
    background-color: #F7F5F2;
    mix-blend-mode: multiply;
}

.unit__rooms {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.unit__floor-name {
    font-family: var(--font-sans);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.8rem;
}

.unit__table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-sans);
    font-size: 0.9rem;
}
.unit__table td {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}
.unit__table td:last-child {
    text-align: right;
    font-variant-numeric: tabular-nums;
    color: var(--text-muted);
}

@media (max-width: 900px) {
    .unit__summary {
        grid-template-columns: 4rem 1fr auto;
    }
    .unit__area { display: none; }
    .unit__body { grid-template-columns: 1fr; }
}

/* --------------------- CTA + OTHER RESIDENCES --------------------- */
.res-footer-nav {
    border-top: 1px solid var(--border-color);
}

.res-cta {
    margin-bottom: clamp(4rem, 8vh, 6rem);
}

.res-others__label {
    display: block;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.res-others__link {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
    padding: 1.4rem 0;
    border-top: 1px solid var(--border-color);
    transition: color 0.4s var(--ease), padding-left 0.4s var(--ease);
}
.res-others__link:last-child { border-bottom: 1px solid var(--border-color); }
.res-others__link:hover {
    color: var(--brand-brown);
    padding-left: 1rem;
}

.res-others__index {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: var(--text-muted);
}

.res-others__name {
    font-family: var(--font-serif);
    font-size: clamp(1.3rem, 2.4vw, 1.9rem);
}

.res-others__arrow {
    margin-left: auto;
    font-size: 1.2rem;
}