/* Larimar Miner — "Tide" Specimen (PDP) page styles.
   Page-specific classes, prefixed .t-specimen-. Reuses :root tokens from tide.css (loaded globally).
   Square corners, hairline borders, no shadows on light surfaces (subtle hover lift on cards only). */

/* ---- Breadcrumb + prev/next ------------------------------------------------------------------ */
.t-specimen-crumb {
    max-width: var(--maxw); margin: 0 auto; padding: 26px var(--gutter) 0;
    font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--mono-muted);
}
/* The bar owns the page gutters; the crumb inside it drops its own. */
.t-specimen-crumbbar {
    max-width: var(--maxw); margin: 0 auto; padding: 26px var(--gutter) 0;
    display: flex; align-items: baseline; justify-content: space-between; gap: 12px 24px; flex-wrap: wrap;
}
.t-specimen-crumbbar .t-specimen-crumb { max-width: none; margin: 0; padding: 0; }
.t-specimen-prevnext {
    font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
    color: var(--mono-muted); white-space: nowrap;
}
.t-specimen-prevnext a { color: var(--mono-muted); transition: color .2s ease; }
.t-specimen-prevnext a:hover { color: var(--ink); }
.t-specimen-prevnext__sep { margin: 0 8px; }

/* ---- Main grid ------------------------------------------------------------------------------- */
.t-specimen-main {
    display: grid; grid-template-columns: 56% 44%; gap: 54px;
    max-width: var(--maxw); margin: 0 auto; padding: 30px var(--gutter) 70px;
}

/* ---- Gallery --------------------------------------------------------------------------------- */
.t-specimen-hero {
    position: relative; height: 600px; background: var(--larimar-grad); overflow: hidden;
}
.t-specimen-hero img { width: 100%; height: 100%; object-fit: cover; }
.t-specimen-hero__link { display: block; width: 100%; height: 100%; cursor: zoom-in; }
.t-specimen-grade-stack {
    position: absolute; left: 18px; top: 18px; z-index: 2;
    display: flex; flex-direction: column; align-items: flex-start; gap: 6px;
}
.t-specimen-grade {
    font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink);
    background: rgba(251,249,245,.92); padding: 6px 11px;
}
.t-sku-badge--hero { right: 18px; bottom: 18px; padding: 8px 11px; font-size: 11px; }
/* Linked grade badge (→ /grading#{key}): keep the chip look, signal the link on hover. */
a.t-specimen-grade { transition: color .2s ease, background .2s ease; }
a.t-specimen-grade:hover { color: var(--gold-deep); background: var(--paper); }

/* Every stored photograph renders as a thumb — auto rows keep 5+ image galleries tidy. */
.t-specimen-thumbs {
    display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 110px; gap: 12px; margin-top: 12px;
}
.t-specimen-thumb {
    position: relative; height: 110px; padding: 0; border: 0; background: var(--larimar-grad);
    overflow: hidden; cursor: pointer; transition: opacity .2s ease;
}
.t-specimen-thumb img { width: 100%; height: 100%; object-fit: cover; }
.t-specimen-thumb.is-active { border: 2px solid var(--ink); }
.t-specimen-thumb:not(.is-active):hover { opacity: .85; }
.t-specimen-thumb--scale { background: linear-gradient(150deg, #c8b496, #6f5b44); }
.t-specimen-thumb__tag {
    position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
    font-family: var(--mono); font-size: 9px; letter-spacing: .04em; color: #fff;
    background: rgba(20,33,52,.45); padding: 4px 8px; pointer-events: none;
}
/* Video tile: poster (first photograph) dimmed under a play glyph. */
.t-specimen-thumb--video { background: #142134; }
.t-specimen-thumb--video img { opacity: .55; }
.t-specimen-thumb__play {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 20px; text-shadow: 0 1px 6px rgba(12,21,36,.8); pointer-events: none;
}

.t-specimen-gallery-cap {
    font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
    color: var(--mono-muted); margin-top: 14px;
}

/* ---- Details --------------------------------------------------------------------------------- */
.t-specimen-details { padding-top: 6px; }
.t-specimen-eyebrow {
    font-size: 12px; letter-spacing: .18em; color: var(--gold-deep); margin-bottom: 18px;
}
.t-specimen-title {
    font-size: clamp(2.4rem, 5vw, 56px); line-height: 1; margin: 0 0 18px; color: var(--ink);
}
.t-specimen-intro {
    font-size: 15px; line-height: 1.8; color: var(--body); font-weight: 300; margin: 0 0 28px;
}

.t-specimen-price {
    display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap;
    padding-bottom: 26px; border-bottom: 1px solid var(--sand-line);
}
.t-specimen-price__value { font-size: 46px; color: var(--ink); line-height: 1; }
.t-specimen-price__note {
    font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--mono-muted);
}

/* ---- Multi-option selector ------------------------------------------------------------------- */
/* One row per catalog option: exact direct enquiry link for available options, unavailable rows dimmed. */
.t-specimen-options { border: 0; padding: 0; margin: 26px 0 4px; }
.t-specimen-options__legend {
    font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
    color: var(--mono-muted); padding: 0; margin-bottom: 12px;
}
.t-specimen-option {
    display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 14px;
    padding: 0 16px; margin-bottom: 10px; border: 1px solid var(--sand-line);
    transition: border-color .2s ease, background .2s ease;
}
.t-specimen-option:last-child { margin-bottom: 0; }
.t-specimen-option:hover { border-color: var(--ink); }
.t-specimen-option.is-selected { border-color: var(--ink); background: rgba(20, 33, 52, .04); }
/* Visually hidden but focusable radio; the row itself is the hit target and shows the focus ring. */
.t-specimen-option__radio { position: absolute; width: 1px; height: 1px; opacity: 0; margin: 0; }
.t-specimen-option__choice {
    display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
    min-width: 0; padding: 14px 0; cursor: pointer;
}
.t-specimen-option__identity { display: grid; gap: 3px; min-width: 0; }
.t-specimen-option__sku {
    font-family: var(--mono); font-size: 9px; line-height: 1.3; letter-spacing: .06em;
    text-transform: uppercase; color: var(--mono-muted);
}
.t-specimen-option__enquire {
    border-left: 1px solid var(--sand-line); padding: 7px 0 7px 14px;
    font-family: var(--mono); font-size: 11px; letter-spacing: .04em; white-space: nowrap;
}
.t-specimen-option__enquire:hover { text-decoration: underline; }
.t-specimen-option:focus-within { outline: 2px solid var(--ink); outline-offset: 2px; }
.t-specimen-option__label { font-family: var(--ui); font-size: 15px; color: var(--ink); }
.t-specimen-option.is-selected .t-specimen-option__label { font-weight: 600; }
.t-specimen-option__price {
    display: inline-flex; align-items: baseline; gap: 8px;
    font-family: var(--ui); font-size: 15px; color: var(--ink); white-space: nowrap;
}
.t-specimen-option__tag {
    font-family: var(--mono); font-size: 9px; letter-spacing: .08em; text-transform: uppercase;
    color: #fff; background: var(--mono-muted); padding: 2px 6px;
}
/* Unavailable option: not selectable, dashed + dimmed. */
.t-specimen-option.is-sold { cursor: default; opacity: .55; border-style: dashed; }
.t-specimen-option.is-sold .t-specimen-option__choice { cursor: default; }
.t-specimen-option.is-sold:hover { border-color: var(--sand-line); }
.t-specimen-option.is-sold .t-specimen-option__amount { text-decoration: line-through; }

.t-specimen-buttons { display: flex; gap: 14px; margin: 28px 0 22px; }
.t-specimen-btn {
    flex: 1; text-align: center; padding: 17px;
    font-family: var(--ui); font-size: 14px; letter-spacing: .08em; text-transform: uppercase; cursor: pointer;
}
/* btn-solid (tide.css) already supplies navy bg + white text + hover; only resize/center here. */
.btn-solid.t-specimen-btn { display: block; }
.t-specimen-btn--outline {
    background: transparent; border: 1px solid var(--ink); color: var(--ink);
    transition: background .2s ease, color .2s ease;
}
.t-specimen-btn--outline:hover { background: var(--ink); color: #fff; }

.t-specimen-actions {
    display: flex; gap: 24px; flex-wrap: wrap; margin-bottom: 30px;
    font-family: var(--ui); font-size: 13px; color: var(--body);
}
.t-specimen-action {
    border-bottom: 1px solid var(--gold); padding-bottom: 3px; transition: border-color .2s ease, color .2s ease;
}
.t-specimen-action:hover { border-bottom-color: var(--ink); color: var(--ink); }

/* ---- Spec table ------------------------------------------------------------------------------ */
.t-specimen-spectable { border-top: 2px solid var(--ink); margin: 0; }
.t-specimen-specrow {
    display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
    padding: 14px 0; border-bottom: 1px solid var(--sand-line);
}
.t-specimen-speclabel {
    font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--mono-muted);
}
.t-specimen-specvalue { font-size: 14px; color: var(--ink); margin: 0; text-align: right; }
/* Linked spec values (Grade → grading guide, Form → filtered collection): hairline underline. */
.t-specimen-speclink {
    color: var(--ink); border-bottom: 1px solid var(--gold); padding-bottom: 2px;
    transition: border-color .2s ease, color .2s ease;
}
.t-specimen-speclink:hover { border-bottom-color: var(--ink); }

/* ---- Certificate panel ----------------------------------------------------------------------- */
/* Navy panel sits inside the page gutter (margin = gutter each side), centered to the max width. */
.t-specimen-cert {
    display: grid; grid-template-columns: auto 1fr auto; gap: 40px; align-items: center;
    background: var(--ink); color: var(--cream); padding: 44px 50px;
    max-width: calc(var(--maxw) - (var(--gutter) * 2)); margin: 0 auto;
}
.t-specimen-cert__seal {
    width: 84px; height: 84px; border-radius: 50%; border: 1.5px solid var(--gold);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--display); font-style: italic; font-size: 30px; color: var(--gold); flex: none;
}
.t-specimen-cert__kicker {
    font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--gold);
    margin-bottom: 10px;
}
.t-specimen-cert__head {
    font-family: var(--display); font-size: clamp(1.6rem, 2.6vw, 30px); color: var(--cream-2); line-height: 1.15;
}
.t-specimen-cert__blurb {
    font-size: 13px; line-height: 1.7; color: var(--foot-muted); font-weight: 300; max-width: 560px; margin: 12px 0 0;
}
.t-specimen-cert__btn {
    font-family: var(--ui); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink);
    background: var(--gold); padding: 14px 26px; white-space: nowrap; transition: background .2s ease;
}
.t-specimen-cert__btn:hover { background: #cdb89f; }

/* ---- Description + accordions ---------------------------------------------------------------- */
.t-specimen-about {
    display: grid; grid-template-columns: 1fr 1fr; gap: 56px;
    max-width: var(--maxw); margin: 0 auto; padding: 64px var(--gutter);
}
.t-specimen-about__p {
    font-size: 15px; line-height: 1.85; color: var(--body); font-weight: 300; margin: 0 0 16px;
}
.t-specimen-about__p--last { margin: 0; }

.t-specimen-accordion { margin: 0; }
.t-specimen-acc-row { border-top: 1px solid var(--sand-line); }
.t-specimen-acc-row--last { border-bottom: 1px solid var(--sand-line); }
.t-specimen-acc-sum {
    display: flex; justify-content: space-between; align-items: center; gap: 16px;
    padding: 20px 0; cursor: pointer; list-style: none;
}
.t-specimen-acc-sum::-webkit-details-marker { display: none; }
.t-specimen-acc-label { font-family: var(--ui); font-size: 16px; color: var(--ink); }
.t-specimen-acc-mark { color: var(--gold); font-size: 20px; line-height: 1; transition: transform .2s ease; }
.t-specimen-acc-row[open] .t-specimen-acc-mark { transform: rotate(45deg); }
.t-specimen-acc-body {
    font-size: 14px; line-height: 1.8; color: var(--body); font-weight: 300; padding: 0 0 22px; max-width: 90%;
}

/* ---- Related --------------------------------------------------------------------------------- */
.t-specimen-related {
    max-width: var(--maxw); margin: 0 auto; padding: 20px var(--gutter) 80px;
}
.t-specimen-related__head {
    font-size: clamp(2rem, 3.4vw, 40px); margin: 0 0 34px; color: var(--ink);
}
/* Openable head: title left, "View all →" right (mirrors the home .t-shop__head pattern). */
.t-specimen-related__headrow {
    display: flex; align-items: baseline; justify-content: space-between; gap: 14px 24px;
    flex-wrap: wrap; margin-bottom: 34px;
}
.t-specimen-related__headrow .t-specimen-related__head { margin: 0; }
.t-specimen-related__all {
    font-family: var(--ui); font-size: 13px; letter-spacing: .06em; color: var(--body-2); white-space: nowrap;
    transition: color .2s ease;
}
.t-specimen-related__all:hover { color: var(--ink); }
.t-specimen-related__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.t-specimen-card__media { position: relative; height: 260px; background: var(--larimar-grad); overflow: hidden; }
.t-specimen-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.t-specimen-card:hover .t-specimen-card__media img { transform: scale(1.03); }
.t-specimen-card__name { font-family: var(--display); font-size: 21px; margin-top: 14px; color: var(--ink); }
.t-specimen-card__foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 8px; }
.t-specimen-card__spec { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; color: var(--mono-muted); }
.t-specimen-card__price { font-family: var(--ui); font-weight: 500; font-size: 15px; color: var(--ink); }

/* ---- Explore other forms (cross-sell) --------------------------------------------------------- */
.t-specimen-explore { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter) 80px; }
.t-specimen-explore__head { font-size: clamp(1.5rem, 2.4vw, 30px); margin: 0 0 22px; color: var(--ink); }
.t-specimen-explore__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.t-specimen-explore-tile {
    display: flex; align-items: center; gap: 16px;
    border: 1px solid var(--card-border); padding: 14px 16px;
    transition: border-color .2s ease;
}
.t-specimen-explore-tile:hover { border-color: var(--ink); }
.t-specimen-explore-tile__media {
    width: 72px; height: 72px; flex: 0 0 auto; background: var(--larimar-grad); overflow: hidden;
}
.t-specimen-explore-tile__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.t-specimen-explore-tile__meta { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.t-specimen-explore-tile__label { font-size: 21px; color: var(--ink); line-height: 1.2; }
.t-specimen-explore-tile__count {
    font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--mono-muted);
}

/* ---- Lightbox --------------------------------------------------------------------------------- */
/* Full-viewport overlay; controls are light-on-navy (≥ AA contrast on the .95 scrim). */
.t-lightbox {
    position: fixed; inset: 0; z-index: 90; background: rgba(12,21,36,.95);
    display: flex; align-items: center; justify-content: center;
}
.t-lightbox[hidden] { display: none; }
.t-lightbox__stage {
    display: flex; align-items: center; justify-content: center;
    max-width: calc(100vw - 128px); max-height: calc(100vh - 112px);
}
.t-lightbox__media {
    display: block; max-width: 100%; max-height: calc(100vh - 112px); object-fit: contain; background: #0c1524;
}
video.t-lightbox__media { width: min(1100px, calc(100vw - 128px)); }
.t-lightbox__close, .t-lightbox__nav {
    position: absolute; display: flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; padding: 0; cursor: pointer;
    color: #fbf9f5; background: rgba(28,39,64,.55); border: 1px solid rgba(251,249,245,.35);
    font-family: var(--ui); font-size: 20px; line-height: 1; transition: background .2s ease;
}
.t-lightbox__close:hover, .t-lightbox__nav:hover { background: rgba(28,39,64,.9); }
.t-lightbox__close:focus-visible, .t-lightbox__nav:focus-visible { outline: 2px solid #fbf9f5; outline-offset: 2px; }
.t-lightbox__close { top: 18px; right: 20px; font-size: 26px; }
.t-lightbox__nav { top: 50%; transform: translateY(-50%); }
.t-lightbox__nav[hidden] { display: none; }
.t-lightbox__nav--prev { left: 20px; }
.t-lightbox__nav--next { right: 20px; }
.t-lightbox__counter {
    position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%);
    font-family: var(--mono); font-size: 12px; letter-spacing: .14em; color: rgba(251,249,245,.85);
}
.t-lightbox-open, .t-lightbox-open body { overflow: hidden; }

/* ---- Responsive ------------------------------------------------------------------------------ */
@media (max-width: 1040px) {
    .t-specimen-related__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
    .t-specimen-explore__grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
    .t-specimen-main { grid-template-columns: 1fr; gap: 40px; }
    .t-specimen-hero { height: 440px; }
    .t-specimen-cert { grid-template-columns: auto 1fr; gap: 28px; padding: 36px var(--gutter); }
    .t-specimen-cert__btn { grid-column: 1 / -1; justify-self: start; }
    .t-specimen-about { grid-template-columns: 1fr; gap: 36px; }
}
@media (max-width: 560px) {
    .t-specimen-cert { grid-template-columns: 1fr; text-align: left; }
    .t-specimen-buttons { flex-direction: column; }
    .t-specimen-related__grid { grid-template-columns: 1fr; }
    .t-specimen-price__value { font-size: 38px; }
    .t-specimen-acc-body { max-width: 100%; }
    .t-specimen-thumbs { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 92px; }
    /* Lightbox on small screens: full-width stage, nav pinned to the bottom corners. */
    .t-lightbox__stage { max-width: calc(100vw - 16px); max-height: calc(100vh - 136px); }
    .t-lightbox__media { max-height: calc(100vh - 136px); }
    video.t-lightbox__media { width: calc(100vw - 16px); }
    .t-lightbox__nav { top: auto; bottom: 14px; transform: none; }
    .t-lightbox__nav--prev { left: 14px; }
    .t-lightbox__nav--next { right: 14px; }
    .t-lightbox__counter { bottom: 26px; }
}