/* ==========================================================================
   Diamond Knowledge Hub: guide layout, illustrations, comparisons
   ========================================================================== */

.saints-article { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.saints-toc { position: sticky; top: 110px; font-size: .8125rem; }
.saints-toc p { font-size: .625rem; font-weight: 500; letter-spacing: var(--saints-tracking-widest); text-transform: uppercase; color: var(--saints-green); margin-bottom: 1rem; }
.saints-toc ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--saints-border); }
.saints-toc a { display: block; padding: .45rem 0 .45rem 1rem; margin-left: -1px; border-left: 1px solid transparent; color: var(--saints-text-muted); transition: color .3s, border-color .3s; }
.saints-toc a:hover, .saints-toc a.is-active { color: var(--saints-green); border-left-color: var(--saints-green); }
@media (max-width: 960px) { .saints-article { grid-template-columns: 1fr; } .saints-toc { position: static; } .saints-toc ol { display: flex; flex-wrap: wrap; gap: .4rem; border: 0; } .saints-toc a { border: 1px solid var(--saints-border); border-radius: 100px; padding: .35rem .85rem; margin: 0; } }

.saints-prose { min-width: 0; font-size: 1.0625rem; }
.saints-prose > section { padding-bottom: clamp(3rem, 6vw, 5rem); margin-bottom: clamp(3rem, 6vw, 5rem); border-bottom: 1px solid var(--saints-border); scroll-margin-top: 110px; }
.saints-prose > section:last-child { border-bottom: 0; margin-bottom: 0; }
.saints-prose h2 { font-size: clamp(2rem, 3.6vw, 3rem); }
.saints-prose h3 { font-size: clamp(1.4rem, 2vw, 1.75rem); margin-top: 2rem; }
.saints-prose p, .saints-prose li { color: #3d423e; }
.saints-prose ul { padding-left: 1.2rem; }
.saints-prose li { margin-bottom: .4rem; }
.saints-prose strong { color: var(--saints-dark); font-weight: 600; }
.saints-prose a:not(.saints-btn):not(.saints-link) { color: var(--saints-green); border-bottom: 1px solid rgba(51,83,56,.35); transition: border-color .3s; }
.saints-prose a:not(.saints-btn):not(.saints-link):hover { border-color: var(--saints-green); }
.saints-prose .saints-table-wrap { margin: 2rem 0; }

.saints-callout { margin: 2rem 0; padding: 1.5rem 1.75rem; background: var(--saints-surface); border: 1px solid var(--saints-border); border-left: 2px solid var(--saints-green); }
.saints-callout p:last-child { margin: 0; }
.saints-callout__title { font-family: var(--saints-font-serif); font-size: 1.35rem; color: var(--saints-green); margin-bottom: .5rem; }

.saints-figure { margin: 2.25rem 0; padding: clamp(1.25rem, 3vw, 2.25rem); background: var(--saints-surface); border: 1px solid var(--saints-border); }
.saints-figure figcaption { font-size: .8125rem; color: var(--saints-text-muted); margin-top: 1.25rem; text-align: center; }

/* 4C overview cards */
.saints-c4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--saints-border); border: 1px solid var(--saints-border); margin: 2.5rem 0; }
.saints-c4 a { background: var(--saints-surface); padding: 1.75rem 1.5rem; display: flex; flex-direction: column; gap: .5rem; transition: background-color .4s; }
.saints-c4 a:hover { background: var(--saints-bg); }
.saints-c4 b { font-family: var(--saints-font-serif); font-weight: 400; font-size: 3rem; line-height: 1; color: var(--saints-green); }
.saints-c4 strong { font-family: var(--saints-font-serif); font-weight: 500; font-size: 1.35rem; color: var(--saints-dark); }
.saints-c4 span { font-size: .85rem; color: var(--saints-text-muted); line-height: 1.5; }
@media (max-width: 860px) { .saints-c4 { grid-template-columns: 1fr 1fr; } }

/* Colour scale D–Z */
.saints-colorscale { display: grid; grid-template-columns: repeat(5, 1fr); gap: .5rem; }
.saints-colorscale__group { text-align: center; }
.saints-colorscale__swatch { height: 70px; border: 1px solid var(--saints-border); display: grid; place-items: center; font-family: var(--saints-font-serif); font-size: 1.35rem; color: var(--saints-dark); }
.saints-colorscale__group strong { display: block; margin-top: .7rem; font-size: .625rem; font-weight: 500; letter-spacing: var(--saints-tracking-wide); text-transform: uppercase; color: var(--saints-green); }
.saints-colorscale__group small { display: block; font-size: .75rem; color: var(--saints-text-muted); line-height: 1.4; margin-top: .25rem; }
@media (max-width: 640px) { .saints-colorscale { grid-template-columns: 1fr 1fr; } }

/* Clarity bar */
.saints-clarity { display: grid; grid-template-columns: repeat(11, 1fr); gap: 3px; }
.saints-clarity div { display: flex; flex-direction: column; align-items: center; gap: .5rem; }
.saints-clarity i { width: 100%; aspect-ratio: 1; border-radius: 50%; border: 1px solid var(--saints-border); background: radial-gradient(circle at 35% 30%, #fff, #eef1ef); position: relative; overflow: hidden; }
.saints-clarity i::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle, #555 0 var(--s, 0px), transparent calc(var(--s, 0px) + .5px)); background-size: var(--g, 100%) var(--g, 100%); opacity: .55; }
.saints-clarity span { font-size: .7rem; font-weight: 600; color: var(--saints-dark); }
.saints-clarity-legend { display: grid; grid-template-columns: 1fr 1fr 2fr 2fr 2fr 3fr; gap: 3px; margin-top: 1rem; font-size: .7rem; letter-spacing: .04em; color: var(--saints-text-muted); text-align: center; }
.saints-clarity-legend span { border-top: 1px solid var(--saints-green); padding-top: .4rem; }
@media (max-width: 640px) { .saints-clarity span { font-size: .55rem; } }

/* Carat sizes (true-to-scale circles at mm diameter) */
.saints-carat { display: flex; align-items: flex-end; justify-content: space-around; gap: 1rem; flex-wrap: wrap; }
.saints-carat div { display: flex; flex-direction: column; align-items: center; gap: .6rem; }
.saints-carat i { display: block; width: calc(var(--mm) * 6px); height: calc(var(--mm) * 6px); border-radius: 50%; border: 1px solid rgba(51,83,56,.45); background: conic-gradient(from 22.5deg, #fff 0 12.5%, #eef2ef 0 25%, #fff 0 37.5%, #e9eeea 0 50%, #fff 0 62.5%, #eef2ef 0 75%, #fff 0 87.5%, #e9eeea 0); box-shadow: inset 0 0 0 calc(var(--mm) * 1.2px) rgba(255,255,255,.7); }
.saints-carat strong { font-family: var(--saints-font-serif); font-weight: 500; font-size: 1.15rem; color: var(--saints-dark); line-height: 1; }
.saints-carat small { font-size: .7rem; color: var(--saints-text-muted); }

/* Cut diagram */
.saints-cut { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; text-align: center; }
.saints-cut svg { width: 100%; max-width: 180px; margin: 0 auto; color: var(--saints-green); }
.saints-cut strong { display: block; font-family: var(--saints-font-serif); font-size: 1.25rem; font-weight: 500; color: var(--saints-dark); margin-top: .5rem; }
.saints-cut small { font-size: .8rem; color: var(--saints-text-muted); }
@media (max-width: 560px) { .saints-cut { grid-template-columns: 1fr; } }

/* Compare (lab vs natural) */
.saints-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--saints-border); border: 1px solid var(--saints-border); margin: 2rem 0; }
.saints-compare > div { background: var(--saints-surface); padding: clamp(1.5rem, 3vw, 2.5rem); }
.saints-compare > div:last-child { background: var(--saints-green); color: rgba(255,255,255,.82); }
.saints-compare > div:last-child h3 { color: #fff; }
.saints-compare > div:last-child .saints-kicker { color: var(--saints-champagne); }
.saints-compare h3 { margin-top: 0 !important; }
.saints-compare ul { margin: 0; padding-left: 1.1rem; }
.saints-compare > div:last-child li { color: rgba(255,255,255,.82); }
@media (max-width: 720px) { .saints-compare { grid-template-columns: 1fr; } }

.saints-meter { display: grid; gap: 1rem; margin: 1.5rem 0; }
.saints-meter__row { display: grid; grid-template-columns: 150px 1fr 90px; gap: 1rem; align-items: center; font-size: .875rem; }
.saints-meter__bar { height: 8px; background: var(--saints-border); position: relative; }
.saints-meter__bar span { position: absolute; inset: 0 auto 0 0; width: var(--w); background: var(--saints-green); }
.saints-meter__row b { font-weight: 500; text-align: right; color: var(--saints-dark); }
@media (max-width: 560px) { .saints-meter__row { grid-template-columns: 1fr 70px; } .saints-meter__bar { grid-column: 1 / -1; grid-row: 2; } }

/* Shapes grid */
.saints-shapes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin: 2rem 0; }
.saints-shape { background: var(--saints-surface); border: 1px solid var(--saints-border); padding: 1.75rem; display: flex; flex-direction: column; gap: .6rem; scroll-margin-top: 110px; }
.saints-shape__art { width: 72px; height: 72px; color: var(--saints-green); margin-bottom: .5rem; }
.saints-shape h3 { margin: 0 !important; font-size: 1.6rem; }
.saints-shape p { font-size: .9rem; margin: 0; }
.saints-shape dl { margin: .5rem 0 0; display: grid; gap: .35rem; font-size: .8125rem; }
.saints-shape dl div { display: grid; grid-template-columns: 90px 1fr; gap: .5rem; }
.saints-shape dt { font-size: .625rem; font-weight: 500; letter-spacing: var(--saints-tracking-wide); text-transform: uppercase; color: var(--saints-green); padding-top: .15rem; }
.saints-shape dd { margin: 0; color: var(--saints-text-muted); }
@media (max-width: 960px) { .saints-shapes { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .saints-shapes { grid-template-columns: 1fr; } }

/* Certificates */
.saints-certs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin: 2rem 0; }
.saints-cert { background: var(--saints-surface); border: 1px solid var(--saints-border); padding: 2rem 1.75rem; position: relative; }
.saints-cert__mark { font-family: var(--saints-font-serif); font-size: 3rem; line-height: 1; color: var(--saints-green); letter-spacing: .08em; }
.saints-cert h3 { font-size: 1.15rem !important; font-family: var(--saints-font-sans) !important; font-weight: 500 !important; letter-spacing: 0 !important; margin: .5rem 0 1rem !important; color: var(--saints-text-muted) !important; }
.saints-cert ul { padding-left: 1.1rem; font-size: .9rem; margin: 0; }
@media (max-width: 860px) { .saints-certs { grid-template-columns: 1fr; } }

.saints-related-guides { margin-top: 1rem; }

/* Content pages: inline product grids, 4-up shapes, category SEO text */
.saints-prose .saints-grid--inline { margin: 2rem 0; gap: 2rem 1.25rem; }
.saints-prose .saints-grid--inline .saints-card__title { font-size: 1.35rem; }
.saints-shapes--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.saints-shapes--4 .saints-shape { align-items: center; text-align: center; padding: 1.25rem; }
.saints-shape .saints-metal { margin-bottom: .5rem; }
.saints-catcontent { margin-top: clamp(3rem, 6vw, 5rem); }
.saints-catcontent h2 { font-size: clamp(1.9rem, 3vw, 2.6rem); }
.saints-prose ol { padding-left: 1.3rem; }
.saints-prose ol li { margin-bottom: .5rem; }
@media (max-width: 860px) { .saints-shapes--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* ==========================================================================
   Longtail SEO landings (templates/seo-landing-template.php)
   ========================================================================== */
.saints-landing__kicker { display: inline-flex; flex-wrap: wrap; gap: .6rem; align-items: center; padding: .45rem .9rem; border: 1px solid rgba(51,83,56,.25); border-radius: 100px; background: rgba(255,255,255,.6); }
.saints-landing__kicker span:first-child { color: var(--saints-green); }
.saints-landing__hero .saints-page-hero__title { max-width: 16em; }
.saints-landing__cta { margin-top: 2rem; }
.saints-landing__facts { list-style: none; display: flex; flex-wrap: wrap; gap: .75rem 2rem; margin: 2.25rem 0 0; padding: 1.5rem 0 0; border-top: 1px solid var(--saints-border); font-size: .8125rem; color: var(--saints-text-muted); }
.saints-landing__facts li { display: inline-flex; align-items: center; gap: .55rem; }
.saints-landing__facts .saints-icon { color: var(--saints-green); flex: 0 0 auto; }
.saints-landing__inline-cta { margin: 2rem 0 0; padding: 1.5rem 1.75rem; background: var(--saints-green-muted); border-left: 2px solid var(--saints-green); }
.saints-landing__inline-cta p:not(.saints-callout__title) { margin: 0 0 .75rem; }
.saints-landing__products { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.saints-landing__tile { display: flex; }
.saints-landing__tile a { display: flex; flex-direction: column; justify-content: flex-end; gap: .5rem; width: 100%; min-height: 100%; aspect-ratio: 4 / 5; padding: clamp(1.5rem, 3vw, 2.25rem); background: var(--saints-green); color: rgba(255,255,255,.8); position: relative; overflow: hidden; transition: background-color .5s var(--saints-ease); }
.saints-landing__tile a:hover { background: var(--saints-green-dark); }
.saints-landing__tile--alt a { background: var(--saints-bg); color: var(--saints-text-muted); border: 1px solid var(--saints-border); }
.saints-landing__tile--alt a:hover { background: #fff; }
.saints-landing__tile-art { position: absolute; top: 12%; left: 50%; width: 46%; transform: translateX(-50%); color: var(--saints-champagne); opacity: .9; transition: transform 1s var(--saints-ease); }
.saints-landing__tile--alt .saints-landing__tile-art { color: var(--saints-green); opacity: .55; }
.saints-landing__tile a:hover .saints-landing__tile-art { transform: translateX(-50%) rotate(-8deg) scale(1.05); }
.saints-landing__tile .saints-kicker { color: var(--saints-champagne); margin: 0; }
.saints-landing__tile--alt .saints-kicker { color: var(--saints-green); }
.saints-landing__tile strong { font-family: var(--saints-font-serif); font-weight: 400; font-size: clamp(1.5rem, 2.4vw, 2rem); line-height: 1.1; color: #fff; }
.saints-landing__tile--alt strong { color: var(--saints-dark); }
.saints-landing__tile-text { font-size: .875rem; }
.saints-landing__tile .saints-link { color: #fff; margin-top: .5rem; align-self: flex-start; }
.saints-landing__tile--alt .saints-link { color: var(--saints-green); }
.saints-landing__steps { list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin: 0; padding: 0; background: var(--saints-border); border: 1px solid var(--saints-border); }
.saints-landing__steps li { padding: clamp(1.5rem, 3vw, 2.25rem); background: var(--saints-bg); }
.saints-landing__steps span { display: block; font-family: var(--saints-font-serif); font-style: italic; font-size: 1.5rem; color: var(--saints-green); margin-bottom: .75rem; }
.saints-landing__steps strong { display: block; font-family: var(--saints-font-serif); font-weight: 500; font-size: 1.35rem; color: var(--saints-dark); margin-bottom: .4rem; }
.saints-landing__steps p { margin: 0; font-size: .875rem; color: var(--saints-text-muted); }
.saints-landing__related { padding-block: clamp(2.5rem, 5vw, 3.5rem); border-top: 1px solid var(--saints-border); }
.saints-landing__related ul { list-style: none; display: flex; flex-wrap: wrap; gap: .6rem; margin: 0; padding: 0; }
.saints-landing__related a { display: inline-flex; align-items: center; gap: .5rem; padding: .6rem 1.1rem; border: 1px solid var(--saints-border); border-radius: 100px; font-size: .875rem; background: #fff; transition: border-color .3s, color .3s; }
.saints-landing__related a:hover { border-color: var(--saints-green); color: var(--saints-green); }
.saints-landing__related .saints-icon { color: var(--saints-green); }

/* Sticky conversion bar */
.saints-convert { position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; padding: .75rem 0 calc(.75rem + env(safe-area-inset-bottom)); background: rgba(15, 26, 18, .96); color: rgba(255,255,255,.75); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-top: 1px solid rgba(205,184,138,.3); transform: translateY(110%); transition: transform .6s var(--saints-ease); }
.saints-convert[hidden] { display: block; visibility: hidden; }
.saints-convert.is-visible { transform: none; visibility: visible; }
.saints-convert__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.saints-convert__text { display: flex; align-items: center; gap: .85rem; margin: 0; font-size: .875rem; line-height: 1.35; }
.saints-convert__text strong { font-family: var(--saints-font-serif); font-weight: 500; font-size: 1.2rem; color: #fff; }
.saints-convert__dot { flex: 0 0 auto; width: 8px; height: 8px; border-radius: 50%; background: var(--saints-champagne); box-shadow: 0 0 0 0 rgba(205,184,138,.6); animation: saints-convert-pulse 2.4s infinite; }
@keyframes saints-convert-pulse { 70% { box-shadow: 0 0 0 10px rgba(205,184,138,0); } 100% { box-shadow: 0 0 0 0 rgba(205,184,138,0); } }
.saints-convert__actions { display: flex; align-items: center; gap: .5rem; flex: 0 0 auto; }
.saints-convert .saints-btn { min-height: 44px; padding: 0 1.1rem; font-size: .65rem; }
.saints-convert .saints-btn--solid { --btn-bg: var(--saints-champagne); --btn-bd: var(--saints-champagne); --btn-fg: #0f1a12; }
.saints-convert .saints-btn--ghost { --btn-fg: #fff; --btn-bd: rgba(255,255,255,.3); }
.saints-convert__close { width: 36px; height: 36px; border: 0; background: transparent; color: rgba(255,255,255,.6); font-size: 1.4rem; line-height: 1; cursor: pointer; }
.saints-convert__close:hover { color: #fff; }
body.saints-has-convert .saints-footer { padding-bottom: 6rem; }
@media (prefers-reduced-motion: reduce) { .saints-convert { transition: none; } .saints-convert__dot { animation: none; } }

@media (max-width: 1024px) {
	.saints-landing__steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
	.saints-landing__kicker { flex-wrap: nowrap; gap: .4rem; padding: .4rem .75rem; font-size: .58rem; letter-spacing: .14em; white-space: nowrap; }
	.saints-convert__sub, .saints-convert__label { display: none; }
	.saints-convert__text strong { font-size: 1.02rem; }
	.saints-convert__inner { gap: .5rem; }
	.saints-convert .saints-btn { padding: 0 .85rem; }
}
@media (max-width: 520px) {
	.saints-landing__products { grid-template-columns: 1fr; }
	.saints-landing__tile a { aspect-ratio: auto; min-height: 220px; padding-top: 8rem; }
	.saints-landing__tile-art { top: 1.5rem; width: 90px; left: 1.5rem; transform: none; }
	.saints-landing__tile a:hover .saints-landing__tile-art { transform: rotate(-8deg); }
	.saints-landing__steps { grid-template-columns: 1fr; }
}