/* ==========================================================================
   AI Hub round 4: RESOURCES PAGES (blog index T11, blog post T12, guides index T13,
   guide landing T14, video gallery T15). Loads after system.css.
   The blog post also loads use-cases.css, for the related use-case cards (.uc-card).

   Contents
    1  Shared: breadcrumb, inline link, post-card, filter chips
    2  Blog index: featured post, card grid, featured guide strip   .rb-feat  .rb-grid  .rb-guide
    3  Blog post: header, cover, article layout, TOC, prose          .ra-head  .ra-layout  .prose
    4  Blog post: inline product card, guide card, related           .ra-prod  .ra-gcard  .ra-rel
    5  Guide cover (designed, container-scaled)                      .gcover
    6  Guides index                                                  .gi-feat  .gi-grid  .gi-gate
    7  Guide landing: hero, form, success                            .gl-hero  .gl-form
    8  Guide landing: contents, previews, audience, product          .gl-toc  .gpage  .gl-who  .gl-prod
    9  Video gallery: facade, featured, tabs, grid                   .facade  .vf  .vgrid  .vcard
   10  Responsive
   ========================================================================== */

/* ---------- 1. Shared ---------- */
.crumbs { margin-bottom: clamp(28px, 4vw, 52px); }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 2px 10px; font-size: .875rem; color: var(--on-dark-3); }
.crumbs li + li::before { content: '/'; margin-right: 10px; opacity: .55; }
.crumbs a { display: inline-flex; align-items: center; min-height: 44px; padding-block: 8px; transition: color var(--t); }
.crumbs a:hover { color: #fff; }
.crumbs [aria-current] { display: inline-flex; align-items: center; min-height: 44px; padding-block: 8px; color: var(--on-dark-2); }
  .nb { white-space: nowrap; }
.inline-link { color: var(--ink); font-weight: 500; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--coral); }
.inline-link:hover { color: var(--coral-text); }
.rs-hero .hero__side .link-arrow { justify-self: start; }
.chip--quiet { background: var(--tan); color: var(--ink-2); }

/* Filter chips (blog categories): pills that toggle with aria-pressed */
.rs-filter { justify-content: flex-start; margin-bottom: var(--gap-head); }
.pill[aria-pressed="true"] { background: var(--coral-fill); border-color: var(--coral-fill); color: #fff; }
.pill[aria-pressed="true"]::before { background: #fff; }

/* Post card: whole card is the link; media on top, then category, title, line, meta */
.rs-card { position: relative; display: flex; flex-direction: column; min-width: 0; height: 100%; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--white); }
.rs-card__media { position: relative; aspect-ratio: 16 / 10; border-bottom: 1px solid var(--line); background: var(--white); overflow: hidden; color: var(--ink); }
.rs-card__media > img { width: 100%; height: 100%; object-fit: cover; object-position: left top; }
.rs-card__media--tile { display: grid; place-items: center; background: var(--tan); }
.rs-card__media--tile .icon-tile { color: #B84B39; background: var(--white); border-color: var(--line); }
.rs-card__body { display: flex; flex-direction: column; gap: 12px; flex: 1; padding: clamp(20px, 2.2vw, 26px); }
.rs-card__title { font-family: var(--font-serif); font-weight: 600; font-size: clamp(1.1875rem, .5vw + 1.05rem, 1.375rem); line-height: 1.28; letter-spacing: -.01em; text-wrap: balance; }
.rs-card__link::after { content: ''; position: absolute; inset: 0; z-index: 1; }
.rs-card__link:focus-visible { outline: none; }
.rs-card:has(.rs-card__link:focus-visible) { outline: 3px solid var(--focus); outline-offset: 3px; }
.rs-card__line { color: var(--ink-2); font-size: 1rem; line-height: 1.55; text-wrap: pretty; }
.rs-card__foot { margin-top: auto; padding-top: 14px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line); font-size: .875rem; color: var(--ink-3); }
.rs-card__go { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--ink); }
.rs-card__go .icon { width: 1em; height: 1em; transition: transform var(--t); }
.rs-card:hover .rs-card__go .icon { transform: translateX(3px); }
.rs-cat { font-size: .75rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--coral-text); }

/* ---------- 2. Blog index ---------- */
.rb-feat { position: relative; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; background: var(--white); }
.rb-feat__media { position: relative; min-height: 340px; border-right: 1px solid var(--line); background: var(--white); overflow: hidden; color: var(--ink); }
.rb-feat__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: left top; }
.rb-feat__body { display: flex; flex-direction: column; justify-content: center; gap: 18px; padding: clamp(28px, 4vw, 56px); }
.rb-feat__label { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.rb-feat__title { font-family: var(--font-serif); font-weight: 600; font-size: clamp(1.75rem, 1.6vw + 1.2rem, 2.5rem); line-height: 1.14; letter-spacing: -.02em; text-wrap: balance; }
.rb-feat__link::after { content: ''; position: absolute; inset: 0; z-index: 1; }
.rb-feat__link:focus-visible { outline: none; }
.rb-feat:has(.rb-feat__link:focus-visible) { outline: 3px solid var(--focus); outline-offset: 3px; }
.rb-feat__meta { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: .875rem; color: var(--ink-3); }
.rb-feat__go { margin-top: 6px; display: inline-flex; align-items: center; gap: 10px; font-weight: 600; }
.rb-feat__go .icon { width: 1em; height: 1em; transition: transform var(--t); }
.rb-feat:hover .rb-feat__go .icon { transform: translateX(3px); }
.rb-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(18px, 2.2vw, 28px); margin-top: var(--gap-block); }
.rb-grid > li[hidden] { display: none; }
.rb-grid:not(:has(> li:not([hidden]))) { display: none; }
.rb-count { margin-top: 24px; font-size: var(--fs-small); color: var(--ink-3); }
.rb-guide { display: grid; grid-template-columns: minmax(140px, 200px) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: center; position: relative; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--tan); padding: clamp(24px, 3.4vw, 44px); }
.rb-guide__body { display: grid; gap: 14px; justify-items: start; }
.rb-guide__title { font-family: var(--font-serif); font-weight: 600; font-size: clamp(1.5rem, 1.2vw + 1.1rem, 2.125rem); line-height: 1.16; letter-spacing: -.015em; text-wrap: balance; }
.rb-guide__link::after { content: ''; position: absolute; inset: 0; z-index: 1; }
.rb-guide__link:focus-visible { outline: none; }
.rb-guide:has(.rb-guide__link:focus-visible) { outline: 3px solid var(--focus); outline-offset: 3px; }
.rb-guide .lead { max-width: 34em; }

/* ---------- 3. Blog post ---------- */
.ra-hero { padding-block: clamp(32px, 4vw, 52px) clamp(40px, 5vw, 64px); }
.ra-head { display: grid; gap: 24px; max-width: 880px; }
.ra-head .display { font-size: clamp(2.125rem, 2.6vw + 1rem, 3.5rem); line-height: 1.08; }
.ra-head .lead { max-width: 36em; }
.ra-byline { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 22px; margin-top: 6px; padding-top: 22px; border-top: 1px solid var(--line-dark); font-size: .9375rem; color: var(--on-dark-2); }
.ra-byline b { font-weight: 600; color: var(--on-dark); }
.ra-byline > * { position: relative; }
.ra-byline > * + * { margin-left: 0; padding-left: 22px; }
.ra-byline > * + *::before { content: ''; position: absolute; left: 0; top: 50%; width: 4px; height: 4px; margin-top: -2px; border-radius: 50%; background: var(--on-dark-3); }
.ra-cover { margin-top: clamp(-36px, -3vw, -20px); position: relative; z-index: 2; }
.ra-cover .frame { max-width: 1040px; margin-inline: auto; }
.ra-cover figcaption { max-width: 1040px; margin: 14px auto 0; font-size: .875rem; color: var(--ink-3); }
.ra-layout { display: grid; grid-template-columns: 240px minmax(0, 700px); justify-content: center; gap: clamp(40px, 6vw, 96px); align-items: start; }
.ra-toc { position: sticky; top: calc(var(--header-h) + 28px); }
.ra-toc__label { font-size: .75rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px; }
.ra-toc ol { counter-reset: toc; border-top: 1px solid var(--line-strong); }
.ra-toc li { counter-increment: toc; border-bottom: 1px solid var(--line); }
.ra-toc a { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 4px; align-items: baseline; padding: 12px 0; font-size: .9375rem; line-height: 1.4; color: var(--ink-2); transition: color var(--t); }
.ra-toc a::before { content: counter(toc, decimal-leading-zero); font-size: .75rem; font-weight: 600; letter-spacing: .08em; color: var(--coral-text); }
.ra-toc a:hover, .ra-toc a[aria-current="true"] { color: var(--ink); }
.ra-toc a[aria-current="true"] { font-weight: 600; }
.ra-toc--m { display: none; }

.prose { font-size: 1.125rem; line-height: 1.75; color: var(--ink); }
.prose > * + * { margin-top: 1.25em; }
.prose > h2 { margin-top: 2.2em; font-family: var(--font-serif); font-weight: 600; font-size: clamp(1.625rem, 1.2vw + 1.2rem, 2.125rem); line-height: 1.18; letter-spacing: -.015em; text-wrap: balance; scroll-margin-top: calc(var(--header-h) + 24px); }
.prose > h2:first-child { margin-top: 0; }
.prose > h2 + * { margin-top: .8em; }
.prose p { color: var(--ink); text-wrap: pretty; }
.prose strong { font-weight: 600; }
.prose ul, .prose ol { display: grid; gap: .7em; padding-left: 0; }
.prose ul li { position: relative; padding-left: 28px; }
.prose ul li::before { content: ''; position: absolute; left: 4px; top: .72em; width: 8px; height: 8px; border-radius: 50%; background: var(--coral); }
.prose ol { counter-reset: n; }
.prose ol li { counter-increment: n; position: relative; padding-left: 44px; }
.prose ol li::before { content: counter(n); position: absolute; left: 0; top: .1em; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--coral-soft); color: #A8402F; font-size: .875rem; font-weight: 600; line-height: 1; }
.prose-table { width: 100%; border-collapse: collapse; font-size: 1rem; line-height: 1.5; border: 1px solid var(--line-strong); border-radius: var(--r-md); overflow: hidden; background: var(--white); display: table; }
.prose-table th, .prose-table td { padding: 14px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.prose-table thead th { background: var(--dark); color: var(--on-dark); font-size: .75rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; border-bottom: 0; }
.prose-table tbody th { width: 24%; font-size: .875rem; font-weight: 600; color: var(--ink-2); background: var(--paper-2); }
.prose-table tbody tr:last-child > * { border-bottom: 0; }
.prose-scroll { overflow-x: auto; margin-inline: calc(var(--gutter) * -1); padding-inline: var(--gutter); }

/* ---------- 4. Inline product card, guide card, related ---------- */
.ra-prod { position: relative; display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 0; margin-block: 2.4em; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--tan); font-size: 1rem; line-height: 1.5; }
.ra-prod__media { position: relative; border-right: 1px solid var(--line); background: var(--white); overflow: hidden; color: var(--ink); }
.ra-prod__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: left top; }
.ra-prod__body { display: grid; gap: 8px; align-content: center; padding: 22px 26px; }
.ra-prod__name { font-family: var(--font-serif); font-weight: 600; font-size: 1.5rem; line-height: 1.2; letter-spacing: -.01em; }
.ra-prod__line { color: var(--ink-2); }
.ra-prod .link-arrow { justify-self: start; margin-top: 4px; }
.ra-prod__link::after { content: ''; position: absolute; inset: 0; z-index: 1; }
.ra-prod__link:focus-visible { outline: none; }
.ra-prod:has(.ra-prod__link:focus-visible) { outline: 3px solid var(--focus); outline-offset: 3px; }
.ra-prod .tag { color: var(--coral-text-s, #A8402F); }
.ra-after { margin-top: clamp(40px, 5vw, 64px); }
.ra-gcard { max-width: 940px; margin-inline: auto; position: relative; display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 28px; align-items: center; padding: 22px 28px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.ra-gcard__title { font-family: var(--font-serif); font-weight: 600; font-size: 1.3125rem; line-height: 1.22; letter-spacing: -.01em; }
.ra-gcard__body { display: grid; gap: 6px; justify-items: start; }
.ra-gcard__body p { color: var(--ink-2); font-size: 1rem; line-height: 1.5; }
.ra-gcard__link::after { content: ''; position: absolute; inset: 0; z-index: 1; }
.ra-gcard__link:focus-visible { outline: none; }
.ra-gcard:has(.ra-gcard__link:focus-visible) { outline: 3px solid var(--focus); outline-offset: 3px; }
.ra-rel__head { display: flex; align-items: end; justify-content: space-between; gap: 0 32px; flex-wrap: wrap; margin-bottom: var(--gap-head); }
.ra-rel__head .section__head { margin-bottom: 0; }
.ra-rel__head .link-arrow { margin-bottom: -6px; }
.ra-rel__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.ra-rel__grid > li { display: flex; min-width: 0; }
.ra-rel__grid > li > * { flex: 1; }
.ra-prodrow { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: var(--gap-block); }
.ra-pr { position: relative; display: flex; align-items: center; gap: 18px; padding: 18px 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--tan); }
.ra-pr .icon-tile { flex: none; width: 56px; height: 56px; border-radius: 14px; }
.ra-pr .icon-tile .icon { width: 24px; height: 24px; }
.ra-pr strong { display: block; font-family: var(--font-serif); font-weight: 600; font-size: 1.1875rem; line-height: 1.25; }
.ra-pr span.d { display: block; color: var(--ink-2); font-size: .9375rem; line-height: 1.45; }
.ra-pr__link::after { content: ''; position: absolute; inset: 0; z-index: 1; }
.ra-pr__link:focus-visible { outline: none; }
.ra-pr:has(.ra-pr__link:focus-visible) { outline: 3px solid var(--focus); outline-offset: 3px; }
.ra-pr > .icon { margin-left: auto; width: 20px; height: 20px; flex: none; }

/* ---------- 5. Guide cover: a designed cover, scaled with its width ---------- */
.gcover { container-type: inline-size; position: relative; display: block; aspect-ratio: 3 / 4; border-radius: 6px 12px 12px 6px; overflow: hidden; background: var(--dark); color: var(--on-dark); box-shadow: 0 24px 48px -26px rgba(20, 20, 19, .5), inset 6px 0 0 rgba(255, 255, 255, .06); isolation: isolate; }
.gcover__in { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: space-between; padding: 9cqw 9cqw 8cqw 11cqw; }
.gcover__brand { display: flex; align-items: center; gap: 3cqw; font-family: var(--font-serif); font-weight: 700; font-size: 6.4cqw; letter-spacing: -.01em; }
.gcover__brand img { width: 9cqw; height: 9cqw; border-radius: 2cqw; }
.gcover__kind { margin-top: 10cqw; font-size: 3.2cqw; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--coral-lt); }
.gcover__title { margin-top: 3cqw; font-family: var(--font-serif); font-weight: 600; font-size: 9.6cqw; line-height: 1.08; letter-spacing: -.02em; text-wrap: balance; }
.gcover__title em { font-style: italic; font-weight: 500; color: var(--coral-lt); }
.gcover__foot { font-size: 3.4cqw; line-height: 1.4; color: var(--on-dark-2); }
.gcover__art { position: absolute; z-index: -1; right: -6cqw; bottom: 15cqw; width: 78cqw; height: auto; color: var(--coral); opacity: .9; }
.gcover__art--checks { width: 52cqw; bottom: 24cqw; }
.gcover--coral { background: var(--coral-fill); color: #fff; }
.gcover--coral .gcover__kind, .gcover--coral .gcover__title em { color: #fff; }
.gcover--coral .gcover__foot { color: rgba(255, 255, 255, .9); }
.gcover--coral .gcover__art { color: var(--dark); opacity: .16; }
.gcover--tan { background: var(--tan-2); color: #141413; box-shadow: 0 24px 48px -26px rgba(20, 20, 19, .35), inset 6px 0 0 rgba(20, 20, 19, .06); }
.gcover--tan .gcover__kind { color: #A8402F; }
.gcover--tan .gcover__title em { color: #B84B39; }
.gcover--tan .gcover__foot { color: #4A4741; }
.gcover--tan .gcover__art { color: var(--coral); opacity: .55; }

/* ---------- 6. Guides index ---------- */
.gi-feat { position: relative; display: grid; grid-template-columns: minmax(180px, 300px) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); align-items: center; padding: clamp(28px, 4vw, 56px); border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--tan); }
.gi-feat__body { display: grid; gap: 18px; justify-items: start; }
.gi-feat__title { font-family: var(--font-serif); font-weight: 600; font-size: clamp(1.75rem, 1.6vw + 1.2rem, 2.5rem); line-height: 1.14; letter-spacing: -.02em; text-wrap: balance; }
.gi-feat__link::after, .gi-card__link::after { content: ''; position: absolute; inset: 0; z-index: 1; }
.gi-feat__link:focus-visible, .gi-card__link:focus-visible { outline: none; }
.gi-feat:has(.gi-feat__link:focus-visible), .gi-card:has(.gi-card__link:focus-visible) { outline: 3px solid var(--focus); outline-offset: 3px; }
.gi-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.gi-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(18px, 2.4vw, 28px); margin-top: var(--gap-block); }
.gi-card { position: relative; display: grid; grid-template-columns: minmax(130px, 190px) minmax(0, 1fr); gap: clamp(20px, 2.6vw, 32px); align-items: center; padding: clamp(22px, 2.8vw, 34px); border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--white); }
.gi-card__body { display: grid; gap: 12px; justify-items: start; }
.gi-card__title { font-family: var(--font-serif); font-weight: 600; font-size: clamp(1.25rem, .7vw + 1.05rem, 1.5rem); line-height: 1.22; letter-spacing: -.01em; text-wrap: balance; }
.gi-card__line { color: var(--ink-2); font-size: 1rem; line-height: 1.55; }
.gi-card__go { margin-top: 4px; display: inline-flex; align-items: center; gap: 8px; font-weight: 600; }
.gi-card__go .icon { width: 1em; height: 1em; transition: transform var(--t); }
.gi-card:hover .gi-card__go .icon, .gi-feat:hover .gi-card__go .icon { transform: translateX(3px); }
.gi-gate { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--line-strong); border-radius: var(--r-md); overflow: hidden; background: var(--paper); }
.gi-gate li { display: grid; gap: 6px; align-content: start; padding: clamp(22px, 2.6vw, 32px); border-left: 1px solid var(--line-strong); }
.gi-gate li:first-child { border-left: 0; }
.gi-gate b { font-size: .8125rem; font-weight: 600; letter-spacing: .16em; color: var(--coral-text); }
.gi-gate h3 { font-family: var(--font-serif); font-weight: 600; font-size: 1.3125rem; line-height: 1.25; }
.gi-gate p { color: var(--ink-2); font-size: 1rem; }

/* ---------- 7. Guide landing: hero, form, success ---------- */
.gl-hero { padding-block: clamp(32px, 4vw, 52px) clamp(48px, 5.5vw, 76px); }
.gl-grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); grid-template-areas: "copy form" "cover form"; grid-template-rows: auto 1fr; column-gap: clamp(32px, 5vw, 80px); row-gap: clamp(32px, 4vw, 56px); align-items: start; }
.gl-copy { grid-area: copy; display: grid; gap: 24px; justify-items: start; }
.gl-copy .display { font-size: clamp(2.125rem, 2.3vw + 1rem, 3.25rem); line-height: 1.08; }
.gl-copy .lead { max-width: 32em; }
.gl-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.gl-tags .chip { min-height: 30px; }
.chip--on-dark { background: transparent; border: 1px solid var(--line-dark-strong); color: var(--on-dark-2); }
.gl-hero .gcover { box-shadow: 0 0 0 1px rgba(242, 239, 230, .24), 0 30px 60px -30px rgba(0, 0, 0, .8), inset 6px 0 0 rgba(255, 255, 255, .06); }
.gl-coverrow { grid-area: cover; align-self: start; display: grid; grid-template-columns: minmax(150px, 220px) minmax(0, 1fr); gap: clamp(24px, 3.6vw, 48px); align-items: end; }
.gl-facts { display: grid; gap: 0; border-top: 1px solid var(--line-dark); }
.gl-facts > div { padding: 14px 0; border-bottom: 1px solid var(--line-dark); }
.gl-facts dt { font-size: .6875rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--coral-lt); }
.gl-facts dd { margin-top: 4px; color: var(--on-dark); font-size: 1.0625rem; line-height: 1.45; }
.gl-form { grid-area: form; color: var(--ink); --focus: #141413; --ink: #141413; --ink-2: #4A4741; --ink-3: #6B655C; }
.gl-form .form-card { padding: clamp(24px, 3vw, 40px); box-shadow: 0 40px 80px -44px rgba(0, 0, 0, .7); }
.gl-form .form-card__head { margin-bottom: 24px; }
.gl-form .h3 { font-size: clamp(1.5rem, 1vw + 1.2rem, 1.875rem); color: var(--ink); }
.gl-form .form__group { gap: 18px; }
.gl-form .form__foot { margin-top: 24px; }
.gl-form .btn { width: 100%; }
.gl-form .form__submit { display: grid; gap: 10px; }
.gl-form .micro { color: var(--ink-3); }
.gl-form .check { font-size: .9375rem; }
.gl-form .field__optional { font-weight: 400; color: var(--ink-3); }
.gl-form .form-success .h3 { font-size: clamp(1.625rem, 1.4vw + 1.2rem, 2.25rem); }
.gl-form .form-success .lead { color: var(--ink-2); }
.gl-form .form-success .btn { width: auto; }
.gl-form .form-success__note { display: flex; align-items: flex-start; gap: 10px; color: var(--ink-2); font-size: .9375rem; line-height: 1.5; }
.gl-form .form-success__note .icon { margin-top: 2px; width: 18px; height: 18px; color: var(--coral-text); }

/* Base form styles (also in company.css for Contact; repeated here so these pages load one extra stylesheet only) */
.form-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(24px, 4vw, 52px); }
.form-card__head { display: grid; gap: 10px; margin-bottom: clamp(28px, 3.4vw, 40px); }
.form-card__head p { color: var(--ink-2); }
.form__group { border: 0; padding: 0; margin: 0; min-width: 0; display: grid; gap: 22px; }
.field { display: grid; gap: 8px; align-content: start; min-width: 0; }
.field__label { font-size: .9375rem; font-weight: 600; color: var(--ink); line-height: 1.3; }
.field__input { width: 100%; min-height: 52px; padding: 0 16px; border: 1.5px solid #8E887D; border-radius: 12px; background: var(--white); color: var(--ink); font: inherit; font-size: 1rem; line-height: 1.4; transition: border-color var(--t), background var(--t); }
.field__input::placeholder { color: var(--ink-3); opacity: 1; }
.field__input:hover { border-color: var(--ink-2); }
.field__input:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 12px; border-color: var(--ink); }
.field__help, .field__hint { font-size: .875rem; line-height: 1.45; color: var(--ink-3); }
.field__hint { color: var(--ink-2); }
.field__error { display: none; align-items: flex-start; gap: 8px; font-size: .875rem; font-weight: 500; line-height: 1.45; color: #B3261E; }
.field__error .icon { width: 16px; height: 16px; margin-top: 2px; stroke-width: 2; }
.field.is-invalid .field__error { display: flex; }
.field.is-invalid .field__input { border-color: #B3261E; background: #FFF8F7; }
.field.is-invalid .field__input:focus-visible { border-color: #B3261E; }
.field.is-invalid .field__help { display: none; }
.check { display: flex; align-items: flex-start; gap: 14px; min-height: 44px; cursor: pointer; line-height: 1.5; color: var(--ink-2); font-size: .9688rem; }
.check input { -webkit-appearance: none; appearance: none; flex: none; display: grid; place-items: center; width: 44px; height: 44px; margin: 0 -10px 0 -10px; background: transparent; cursor: pointer; }   /* 44px hit area, 24px visual box */
.check input::before { content: ''; box-sizing: border-box; width: 24px; height: 24px; border: 1.5px solid var(--ink-3); border-radius: 6px; background: #fff; }
.check input:checked::before { border-color: var(--coral-fill); background: var(--coral-fill) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.5l3 3 6-7' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 16px 16px no-repeat; }
.check input:focus-visible { outline: none; }
.check input:focus-visible::before { outline: 3px solid var(--focus); outline-offset: 2px; }
.check span { padding-top: 10px; }
.check a { padding-block: 12px; }   /* the link's hit area reaches 44px; inline padding does not move the lines */
.field.is-invalid .check input::before { border-color: #B3261E; box-shadow: 0 0 0 2px #B3261E; }
.form__foot { display: grid; gap: 16px; margin-top: 30px; }
.form__summary { display: none; align-items: flex-start; gap: 10px; padding: 14px 18px; border-radius: 12px; border: 1.5px solid #B3261E; background: #FFF8F7; color: #8E1B14; font-weight: 600; font-size: .9688rem; }
.form__summary.is-shown { display: flex; }
.form__summary .icon { width: 20px; height: 20px; margin-top: 1px; stroke-width: 2; }
.form__submit { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; }
.form-success { display: grid; gap: 20px; justify-items: start; padding-block: clamp(4px, 1.4vw, 16px); }
.form-success:focus { outline: none; }
.form-success__mark { display: grid; place-items: center; width: 64px; height: 64px; border-radius: 50%; background: var(--coral); color: #fff; }
.form-success__mark .icon { width: 30px; height: 30px; stroke-width: 2.25; }

/* ---------- 8. Guide landing: contents, previews, audience, related product ---------- */
.gl-toc { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.gl-toc__head { display: grid; gap: 16px; justify-items: start; position: sticky; top: calc(var(--header-h) + 28px); }
.gl-toc__head .lead { max-width: 24em; }
.gl-toc__list { counter-reset: gl; border-top: 1px solid var(--line-strong); }
.gl-toc__list li { counter-increment: gl; display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; gap: 8px 12px; align-items: baseline; padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 1.125rem; line-height: 1.4; }
.gl-toc__list li::before { content: counter(gl, decimal-leading-zero); font-family: var(--font-serif); font-size: 1.125rem; color: var(--coral-text); }
.gl-toc__list .pg { font-size: .875rem; color: var(--ink-3); font-variant-numeric: tabular-nums; white-space: nowrap; }
.gl-toc__list .d { grid-column: 2 / 4; font-size: 1rem; color: var(--ink-2); line-height: 1.5; margin-top: -4px; }
.gl-prev { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(18px, 2.4vw, 32px); }
.gl-prev figure { display: grid; gap: 14px; }
.gl-prev figcaption { font-size: .875rem; color: var(--ink-3); }
.gl-prev figcaption b { color: var(--ink); font-weight: 600; }
.gpage { container-type: inline-size; position: relative; aspect-ratio: 1 / 1.3; overflow: hidden; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--white); box-shadow: 0 24px 48px -30px rgba(20, 20, 19, .35); color: var(--ink); }
.gpage__in { position: absolute; inset: 0; padding: 8cqw 9cqw; display: grid; align-content: start; gap: 3.4cqw; }
.gpage__bar { display: flex; justify-content: space-between; font-size: 3cqw; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); padding-bottom: 3cqw; border-bottom: 1px solid var(--line); }
.gpage h4 { margin: 2cqw 0 0; font-family: var(--font-serif); font-weight: 600; font-size: 8cqw; line-height: 1.12; letter-spacing: -.015em; }
.gpage p { margin: 0; font-size: 4.2cqw; line-height: 1.5; color: var(--ink-2); }
.gpage ol, .gpage ul { margin: 0; padding: 0; display: grid; gap: 2.2cqw; }
.gpage li { position: relative; padding-left: 8cqw; font-size: 4cqw; line-height: 1.4; color: var(--ink-2); }
.gpage li::before { content: ''; position: absolute; left: 0; top: .2cqw; width: 4.8cqw; height: 4.8cqw; border: .6cqw solid var(--coral); border-radius: 1.2cqw; }
.gpage ol li { counter-increment: g; }
.gpage ol li::before { content: counter(g); display: grid; place-items: center; border: 0; border-radius: 50%; background: var(--coral-soft); color: #A8402F; font-size: 3cqw; font-weight: 600; width: 5.4cqw; height: 5.4cqw; }
.gpage b { color: var(--ink); font-weight: 600; }
.gpage ol { counter-reset: g; }
.gpage table { width: 100%; border-collapse: collapse; font-size: 3.6cqw; line-height: 1.35; }
.gpage th, .gpage td { padding: 1.8cqw 2cqw; text-align: left; vertical-align: top; border: 1px solid var(--line); }
.gpage th { background: var(--paper-2); font-weight: 600; color: var(--ink); }
.gpage td { color: var(--ink-2); }
.gpage__fade { position: absolute; left: 0; right: 0; bottom: 0; height: 42%; background: linear-gradient(to bottom, rgba(255, 255, 255, 0), #fff 78%); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px); -webkit-mask-image: linear-gradient(to bottom, transparent, #000 40%); mask-image: linear-gradient(to bottom, transparent, #000 40%); }
.gl-who { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.gl-who__card { display: grid; gap: 12px; align-content: start; padding: clamp(24px, 3vw, 36px); border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--white); }
.gl-who__card h3 { font-family: var(--font-serif); font-weight: 600; font-size: 1.375rem; line-height: 1.25; }
.gl-who__card p { color: var(--ink-2); }
.gl-prod { position: relative; display: grid; grid-template-columns: 220px minmax(0, 1fr); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--tan); max-width: 880px; }
.gl-prod__media { position: relative; min-height: 160px; border-right: 1px solid var(--line); background: var(--white); overflow: hidden; color: var(--ink); }
.gl-prod__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: left top; }
.gl-prod__body { display: grid; gap: 10px; align-content: center; justify-items: start; padding: clamp(22px, 3vw, 34px); }
.gl-prod__name { font-family: var(--font-serif); font-weight: 600; font-size: 1.625rem; line-height: 1.2; letter-spacing: -.01em; }
.gl-prod__line { color: var(--ink-2); }
.gl-prod .tag { color: var(--coral-text-s, #A8402F); }
.gl-prod__link::after { content: ''; position: absolute; inset: 0; z-index: 1; }
.gl-prod__link:focus-visible { outline: none; }
.gl-prod:has(.gl-prod__link:focus-visible) { outline: 3px solid var(--focus); outline-offset: 3px; }

/* ---------- 9. Video gallery ---------- */
/* Facade: a button that shows the thumbnail; the iframe is created on click (youtube-nocookie.com) */
.facade { position: relative; display: block; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; border-radius: inherit; background: #000; color: #fff; cursor: pointer; }
.facade img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease), opacity .3s var(--ease); }
.facade:hover img { transform: scale(1.03); }
.facade::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(20, 17, 14, .55), rgba(20, 17, 14, 0) 55%); pointer-events: none; }
.facade__btn { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%; border: 0; background: none; cursor: pointer; }
.facade__btn:focus-visible { outline: 3px solid #fff; outline-offset: -6px; border-radius: inherit; }
.facade__play { position: absolute; z-index: 2; left: 50%; top: 50%; display: grid; place-items: center; width: 72px; height: 72px; margin: -36px 0 0 -36px; border-radius: 50%; background: var(--coral); color: #fff; box-shadow: 0 10px 30px rgba(0, 0, 0, .35); transition: transform var(--t), background var(--t); }
.facade__play .icon { width: 26px; height: 26px; margin-left: 3px; fill: currentColor; stroke: none; }
.facade:hover .facade__play { background: var(--coral-hover); transform: scale(1.06); }
.facade__dur { position: absolute; z-index: 2; right: 12px; bottom: 12px; padding: 4px 10px; border-radius: 6px; background: rgba(20, 17, 14, .82); font-size: .8125rem; font-weight: 600; letter-spacing: .02em; font-variant-numeric: tabular-nums; }
.facade iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.facade.is-playing { cursor: default; }
.facade.is-playing::after { display: none; }
.vf { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: clamp(28px, 4.4vw, 64px); align-items: center; }
.vf .frame { border-radius: var(--r-md); }
.vf .facade { border-radius: 0; }
.vf__body { display: grid; gap: 16px; justify-items: start; }
.vf__title { font-family: var(--font-serif); font-weight: 600; font-size: clamp(1.75rem, 1.5vw + 1.2rem, 2.375rem); line-height: 1.14; letter-spacing: -.02em; text-wrap: balance; }
.vf__meta { display: flex; flex-wrap: wrap; gap: 8px; }
.vtabs { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 20px 32px; margin-bottom: var(--gap-head); }
.vtabs .pills { justify-content: flex-start; }
.vtabs__count { font-size: var(--fs-small); color: var(--ink-3); }
.vgrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(18px, 2.2vw, 28px); }
.vgrid > li[hidden] { display: none; }
.vcard { display: flex; flex-direction: column; height: 100%; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--white); }
.vcard .facade { border-radius: 0; border-bottom: 1px solid var(--line); }
/* Title-card thumbnails carry their title in the middle: the play button sits small, bottom-left, clear of it (CSS only, no new images). */
.vcard .facade__play { left: 12px; top: auto; bottom: 12px; width: 48px; height: 48px; margin: 0; }
.vcard .facade__play .icon { width: 20px; height: 20px; margin-left: 2px; }
.vcard__body { display: flex; flex-direction: column; gap: 10px; flex: 1; padding: 20px 22px 22px; }
.vcard__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.vcard__title { font-family: var(--font-serif); font-weight: 600; font-size: 1.25rem; line-height: 1.25; letter-spacing: -.01em; text-wrap: balance; }
.vcard__line { color: var(--ink-2); font-size: 1rem; line-height: 1.55; }
.vcard .link-arrow { margin-top: auto; align-self: flex-start; }
.vgrid .vcard { transition: background-color .2s var(--ease), border-color .2s var(--ease); }

/* ---------- 10. Responsive ---------- */
@media (max-width: 1100px) {
  .rb-grid, .vgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ra-layout { grid-template-columns: minmax(0, 700px); }
  .ra-toc--d { display: none; }
  .ra-toc--m { display: block; margin-bottom: 36px; }
  .ra-toc--m .ra-toc__panel { border: 1px solid var(--line-strong); border-radius: var(--r-md); padding: 4px 20px; background: var(--white); }
  .ra-toc--m summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 52px; cursor: pointer; list-style: none; font-size: .75rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-2); }
  .ra-toc--m summary::-webkit-details-marker { display: none; }
  .ra-toc--m summary .icon { width: 18px; height: 18px; transition: transform var(--t); }
  .ra-toc--m details[open] summary .icon { transform: rotate(180deg); }
  .ra-toc--m ol { margin-bottom: 8px; }
  .gl-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "copy" "form" "cover"; }
  .gl-toc { grid-template-columns: 1fr; }
  .gl-toc__head { position: static; }
  .ra-rel__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .rb-feat { grid-template-columns: 1fr; }
  .rb-feat__media { min-height: 0; aspect-ratio: 16 / 10; border-right: 0; border-bottom: 1px solid var(--line); }
  .vf { grid-template-columns: 1fr; }
  .gi-grid, .gl-who { grid-template-columns: 1fr; }
  .gi-gate { grid-template-columns: 1fr; }
  .gi-gate li { border-left: 0; border-top: 1px solid var(--line-strong); }
  .gi-gate li:first-child { border-top: 0; }
  .gl-prev { grid-template-columns: 1fr; max-width: 420px; }
  .ra-prod { grid-template-columns: 1fr; }
  .ra-prod__media { aspect-ratio: 16 / 9; border-right: 0; border-bottom: 1px solid var(--line); }
  .ra-prodrow { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .rb-grid, .vgrid, .ra-rel__grid { grid-template-columns: 1fr; }
  .rb-guide, .gi-feat, .gi-card { grid-template-columns: 1fr; }
  .rb-guide .gcover, .gi-feat .gcover, .gi-card .gcover { width: min(200px, 60%); }
  .gl-coverrow { grid-template-columns: 1fr; }
  .gl-coverrow .gcover { width: min(220px, 62%); }
  .gl-prod { grid-template-columns: 1fr; }
  .gl-prod__media { aspect-ratio: 16 / 9; border-right: 0; border-bottom: 1px solid var(--line); }
  .ra-gcard { grid-template-columns: 1fr; }
  .ra-gcard .gcover { width: 132px; }
  .gl-toc__list li { grid-template-columns: 36px minmax(0, 1fr); }
  .gl-toc__list .pg { grid-column: 2; }
  .gl-toc__list .d { grid-column: 2; }
  .prose { font-size: 1.0625rem; }
  .prose-table { font-size: .9375rem; }
  .prose-table th, .prose-table td { padding: 12px; }
  .prose-table tbody th { width: 30%; }
  .vtabs .pills { width: 100%; }
  .facade__play { width: 60px; height: 60px; margin: -30px 0 0 -30px; }
}
@media (prefers-reduced-motion: reduce) {
  .facade img, .facade__play { transition: none; }
  .facade:hover img { transform: none; }
}

/* Video gallery additions: stacked product links on a card, and the channel note. */
.vcard__links { display: grid; gap: 8px; justify-items: start; margin-top: auto; }
.vcard__links .link-arrow { margin-top: 0; }
.vnote { margin-top: 28px; }