/* ══════════════════════════════════════════════════════════════
   Kunst X — blog, future users, privacy and image license pages.
   Same look as screen.css / apps.css: black, IBM Plex Sans, white
   rounded buttons, thin white rules.
   ══════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, p, ul, ol, li, figure, blockquote { margin: 0; padding: 0; }
img { border: none; max-width: 100%; height: auto; }

html, body {
    background-color: #000000;
    color: #FFFFFF;
    font-family: "IBM Plex Sans", sans-serif;
    scroll-behavior: smooth;
}

body {
    max-width: 1920px;
    margin: 0 auto;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

::selection { color: #000000; background: #FFFFFF; }

a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
    outline: 3.2px solid #FFFFFF; outline-offset: 3px;
}

/* ── Header (same as apps.html) ─────────────────────────────── */
.kx-header { padding: 0 192px; }
.kx-header .sub-header {
    padding: 32px 0;
    display: flex; flex-wrap: wrap; gap: 32px;
    align-items: center; justify-content: space-between;
}
.kx-header .logo img { height: 64px; width: auto; display: block; }
.kx-header nav ul { display: flex; flex-wrap: wrap; list-style: none; }
.nav-butt {
    display: flex; align-items: center; justify-content: center; position: relative;
    padding: 0 32px; font-size: 1.938rem; font-weight: 400; line-height: 1.938rem; text-decoration: none;
}
.nav-butt:hover { opacity: 0.75; }
.nav-butt:active { opacity: 0.5; }
.nav-butt::after {
    content: ''; position: absolute; bottom: -6.4px; left: 32px; height: 3.2px; width: 60%;
    transform: scaleX(0); transform-origin: left; transition: transform 0.3s ease;
    background: linear-gradient(90deg, #FFFFFF 0%, #000000 100%);
}
.nav-butt:hover::after, .nav-butt[aria-current="page"]::after { transform: scaleX(1); }

/* ── Main column ────────────────────────────────────────────── */
.kx-main { padding: 64px 192px 128px; }
.kx-main > * { border-left: solid rgba(255, 255, 255, 0.1) 3.2px; padding-left: 64px; }

.kx-crumbs { font-size: 1rem; opacity: 0.6; margin-bottom: 48px; }
.kx-crumbs a { text-decoration: none; }
.kx-crumbs a:hover { text-decoration: underline; }

.kx-main h1 { font-size: 2.907rem; font-weight: 700; line-height: 1.15; max-width: 22ch; }
.kx-eyebrow { font-size: 1.1rem; font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; opacity: 0.6; margin: 16px 0 0; }
.kx-main h1 + .kx-eyebrow { margin-top: 24px; }
.kx-lead { font-size: 1.454rem; line-height: 1.6; max-width: 46ch; margin-top: 32px; opacity: 0.85; }
.kx-sep { margin: 0 10px; opacity: 0.5; }
.kx-badge { display: inline-block; font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; padding: 4px 10px; border: 1.6px solid rgba(255, 255, 255, 0.5); border-radius: 8px; }

.kx-butt {
    display: inline-flex; align-items: center; justify-content: center; gap: 12px;
    min-height: 64px; padding: 0 32px; border: 3.2px solid #FFFFFF; border-radius: 16px;
    background: #FFFFFF; color: #000000; font: 500 1.454rem/1 "IBM Plex Sans", sans-serif;
    text-decoration: none; cursor: pointer; transition: all 0.1s ease;
}
.kx-butt:hover { background: #CCCCCC; border-color: rgba(255, 255, 255, 0.25); }
.kx-butt:active { background: #666666; color: rgba(0, 0, 0, 0.5); }
.kx-butt:disabled { opacity: 0.5; cursor: progress; }

/* ── Simple pages (privacy, image license) ──────────────────── */
.kx-doc { max-width: calc(900px + 64px); }
.kx-doc h2 { font-size: 1.454rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; margin: 64px 0 20px; scroll-margin-top: 24px; }
.kx-doc p, .kx-doc li { font-size: 1.25rem; line-height: 1.7; color: rgba(255, 255, 255, 0.85); }
.kx-doc p + p { margin-top: 16px; }
.kx-doc ul { margin: 0 0 0 24px; }
.kx-doc li { margin-bottom: 8px; }
.kx-doc .kx-lead { font-size: 1.454rem; color: #FFFFFF; margin-top: 48px; padding: 32px; border: 3.2px solid rgba(255, 255, 255, 0.25); border-radius: 16px; max-width: none; }

/* ── Blog index ─────────────────────────────────────────────── */
.blog-feat {
    display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center;
    margin-top: 64px; padding: 32px; text-decoration: none;
    border: 3.2px solid rgba(255, 255, 255, 0.25); border-radius: 32px; transition: border-color 0.2s ease;
}
.blog-feat:hover { border-color: #FFFFFF; }
.blog-feat__img img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 16px; }
.blog-feat__title { font-size: 2.4rem; font-weight: 700; line-height: 1.2; margin: 16px 0; }
.blog-feat:not(:has(.blog-feat__img)) { grid-template-columns: 1fr; }

.blog-filters { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 64px; }
.blog-chip {
    font: 500 1.1rem/1 "IBM Plex Sans", sans-serif; color: #FFFFFF; background: transparent; cursor: pointer;
    padding: 12px 20px; border: 1.6px solid rgba(255, 255, 255, 0.4); border-radius: 999px;
}
.blog-chip:hover { border-color: #FFFFFF; }
.blog-chip.is-active { background: #FFFFFF; color: #000000; border-color: #FFFFFF; }

.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 32px; margin-top: 48px; }
.post-card {
    display: flex; flex-direction: column; gap: 12px; padding: 24px 24px 28px; text-decoration: none;
    border: 1.6px solid rgba(255, 255, 255, 0.25); border-radius: 16px; transition: border-color 0.2s ease;
}
.post-card:hover { border-color: #FFFFFF; }
.post-card[hidden] { display: none; }
.post-card__img img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 8px; margin-bottom: 8px; }
.post-card__meta { font-size: 1rem; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; }
.post-card__when { opacity: 0.6; white-space: nowrap; }
.post-card__cat { opacity: 0.75; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.85rem; padding: 4px 10px; border: 1.6px solid currentColor; border-radius: 8px; }
.post-card__cat--feat { opacity: 1; background: #FFFFFF; color: #000000; border-color: #FFFFFF; }
.post-card__title { font-size: 1.6rem; font-weight: 700; line-height: 1.25; }
.post-card__excerpt { font-size: 1.15rem; line-height: 1.6; opacity: 0.8; }
.post-card__cta { margin-top: auto; padding-top: 8px; font-weight: 700; font-size: 1.1rem; }
.blog-more { margin-top: 48px; }
.blog-more[hidden] { display: none; }

/* ── Article ────────────────────────────────────────────────── */
.article-page { max-width: calc(820px + 64px); }
.article__title { margin-top: 16px; }
.article__byline { font-size: 1.1rem; opacity: 0.75; margin-top: 24px; display: flex; flex-wrap: wrap; align-items: center; }
.article__byline a { text-decoration: underline; text-underline-offset: 3px; }
.article__hero-figure { margin-top: 48px; }
.article__hero-figure img { display: block; width: 100%; border-radius: 16px; }
.article__figcaption { font-size: 0.95rem; opacity: 0.6; margin-top: 12px; line-height: 1.5; }

.article__body { margin-top: 48px; font-size: 1.25rem; line-height: 1.75; }
.article__body > * + * { margin-top: 24px; }
.article__body h2 { font-size: 2rem; font-weight: 700; line-height: 1.25; margin-top: 64px; scroll-margin-top: 24px; }
.article__body h3 { font-size: 1.5rem; font-weight: 700; line-height: 1.3; margin-top: 48px; scroll-margin-top: 24px; }
.article__body p { color: rgba(255, 255, 255, 0.9); }
.article__body a { text-decoration: underline; text-underline-offset: 3px; }
.article__body a:hover { opacity: 0.75; }
.article__blockquote { padding: 8px 0 8px 32px; border-left: 3.2px solid #FFFFFF; font-size: 1.6rem; line-height: 1.5; font-weight: 500; }
.article__quote-attr { font-size: 1rem; font-weight: 400; opacity: 0.6; margin-top: 12px; }
.article__figure img { display: block; width: 100%; border-radius: 16px; }
.article__divider { border: 0; height: 1.6px; background: rgba(255, 255, 255, 0.25); margin: 64px 0; }
.article__read-more { padding: 24px 28px; border: 1.6px solid rgba(255, 255, 255, 0.25); border-radius: 16px; }
.article__read-more__label { font-size: 0.9rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.6; }
.article__body .article__read-more__link { display: inline-block; margin-top: 8px; font-weight: 700; text-decoration: none; }
.article__takeaways { padding: 28px 32px; background: #FFFFFF; color: #000000; border-radius: 16px; }
.article__body .article__takeaways p, .article__body .article__takeaways li { color: #000000; }
.article__takeaways__label { font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.95rem; }
.article__takeaways__list { margin: 12px 0 0 22px; }
.article__takeaways__list li + li { margin-top: 8px; }
.article__table-wrap { overflow-x: auto; }
.article__table-caption { font-size: 1rem; opacity: 0.6; margin-bottom: 8px; }
.article__table { width: 100%; border-collapse: collapse; font-size: 1.05rem; }
.article__table th, .article__table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid rgba(255, 255, 255, 0.2); vertical-align: top; }
.article__table th { font-weight: 700; border-bottom-width: 2px; border-bottom-color: #FFFFFF; }
.article__body ul, .article__body ol { padding-left: 28px; }

.article__faq { margin-top: 64px; }
.article__faq h2, .article__related h2 { font-size: 1.454rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: 16px; }
.article__faq__item { border-top: 1px solid rgba(255, 255, 255, 0.25); }
.article__faq__item:last-child { border-bottom: 1px solid rgba(255, 255, 255, 0.25); }
.article__faq__item summary { cursor: pointer; padding: 20px 0; font-size: 1.25rem; font-weight: 500; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.article__faq__item summary::-webkit-details-marker { display: none; }
.article__faq__item summary::after { content: '+'; font-size: 1.6rem; line-height: 1; }
.article__faq__item[open] summary::after { content: '−'; }
.article__faq__item p { padding: 0 0 24px; font-size: 1.15rem; line-height: 1.7; opacity: 0.85; }

.article__tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin-top: 48px; }
.article__tags li { font-size: 0.95rem; padding: 6px 12px; border: 1.6px solid rgba(255, 255, 255, 0.3); border-radius: 999px; }

.article__related { margin-top: 64px; }
.article__related ul { list-style: none; }
.article__related a { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 16px 0; border-top: 1px solid rgba(255, 255, 255, 0.25); text-decoration: none; font-size: 1.15rem; }
.article__related a:hover { opacity: 0.75; }
.article__related__cat { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; opacity: 0.6; }

.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 64px; }
.article-nav__link { display: flex; flex-direction: column; gap: 8px; padding: 20px 24px; border: 1.6px solid rgba(255, 255, 255, 0.25); border-radius: 16px; text-decoration: none; }
.article-nav__link:hover { border-color: #FFFFFF; }
.article-nav__dir { font-size: 0.9rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.6; }
.article-nav__title { font-size: 1.15rem; font-weight: 500; line-height: 1.4; }
.article-nav__next { text-align: right; }

/* ── seo_kit components (summary, contents, sources, author, share, story, gallery) ── */
.sx-summary__label, .sx-toc__label, .sx-author__label, .sx-story__eyebrow, .sx-share__label {
    font-size: 0.9rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; opacity: 0.6; margin: 0 0 12px;
}
.sx-summary { margin-top: 48px; padding: 28px 32px; border: 3.2px solid #FFFFFF; border-radius: 16px; }
.sx-summary__text { font-size: 1.3rem; line-height: 1.6; margin: 0; }
.sx-toc { margin-top: 32px; padding: 24px 28px; border: 1.6px solid rgba(255, 255, 255, 0.25); border-radius: 16px; }
.sx-toc ol { margin: 0; padding-left: 24px; font-size: 1.1rem; line-height: 1.8; }
.sx-toc ol ol { font-size: 1rem; }
.sx-toc a { text-decoration: none; border-bottom: 1px solid transparent; }
.sx-toc a:hover { border-bottom-color: currentColor; }
.sx-sources { margin-top: 64px; }
.sx-sources h2 { font-size: 1.454rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; margin: 0 0 16px; }
.sx-sources ol { padding-left: 24px; font-size: 1rem; line-height: 1.7; opacity: 0.75; }
.sx-sources a { overflow-wrap: anywhere; }
.sx-author { margin-top: 64px; padding: 28px 32px; border: 1.6px solid rgba(255, 255, 255, 0.25); border-radius: 16px; }
.sx-author__name { font-size: 1.3rem; font-weight: 700; margin: 0 0 8px; }
.sx-author__job { font-weight: 400; opacity: 0.6; }
.sx-author__bio { font-size: 1.1rem; line-height: 1.6; opacity: 0.85; margin: 0 0 16px; }
.sx-author__links { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; }
.sx-author__links a { font-size: 0.95rem; padding: 6px 12px; border: 1.6px solid rgba(255, 255, 255, 0.3); border-radius: 999px; text-decoration: none; }

.sx-share__row { display: flex; flex-wrap: wrap; gap: 8px; }
.sx-share__btn {
    display: inline-flex; align-items: center; height: 44px; padding: 0 18px; cursor: pointer;
    font: 500 1rem/1 "IBM Plex Sans", sans-serif; color: #FFFFFF; text-decoration: none;
    background: transparent; border: 1.6px solid rgba(255, 255, 255, 0.4); border-radius: 999px;
}
.sx-share__btn:hover { border-color: #FFFFFF; }
.sx-share__native { background: #FFFFFF; color: #000000; border-color: #FFFFFF; }
.sx-share__native:hover { background: #CCCCCC; }
.sx-share--article { margin-top: 64px; padding-top: 32px; border-top: 1px solid rgba(255, 255, 255, 0.25); display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; }
.sx-share--article .sx-share__label { margin: 0; }
.sx-follow { margin-top: 20px; }
.sx-share--article .sx-follow { flex-basis: 100%; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.sx-share--article .sx-follow .sx-share__label { margin: 0; }
.sx-follow__link { display: inline-flex; align-items: center; height: 36px; padding: 0 14px; font-size: 0.95rem; text-decoration: none; border: 1.6px solid rgba(255, 255, 255, 0.25); border-radius: 999px; }
.sx-follow__link:hover { border-color: #FFFFFF; }
.sx-vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.sx-story-badge { font-weight: 700; text-decoration: none; }
.sx-story-badge:hover { text-decoration: underline; }
.sx-story { display: grid; grid-template-columns: 240px 1fr; gap: 40px; align-items: center; margin-top: 48px; padding: 28px; border: 1.6px solid rgba(255, 255, 255, 0.25); border-radius: 32px; }
.sx-story__amp { display: block; position: relative; width: 240px; height: 427px; border-radius: 16px; overflow: hidden; background: #111111; }
.sx-story__amp > a {
    position: absolute; inset: 0; display: flex; align-items: flex-end; padding: 18px 16px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0) 60%), var(--story-player-poster) center / cover no-repeat #111111;
    color: #FFFFFF; font-weight: 700; font-size: 1.1rem; line-height: 1.25; text-decoration: none;
}
.sx-story__title { font-size: 1.6rem; font-weight: 700; line-height: 1.25; margin: 0 0 12px; }
.sx-story__text { font-size: 1.1rem; line-height: 1.6; opacity: 0.8; margin: 0 0 20px; }
.sx-story__open { margin: 0 0 24px; }
.sx-story__cta { display: inline-flex; align-items: center; min-height: 52px; padding: 0 24px; border-radius: 16px; background: #FFFFFF; color: #000000; font-weight: 500; font-size: 1.1rem; text-decoration: none; }
.sx-story__cta:hover { background: #CCCCCC; }
.sx-share--story { padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.25); }

.sx-gallery { margin-block: 32px; }
.sx-gallery__track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; border-radius: 16px; scrollbar-width: none; }
.sx-gallery__track::-webkit-scrollbar { display: none; }
.sx-gallery__slide { flex: 0 0 100%; margin: 0; scroll-snap-align: start; }
.sx-gallery__slide img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; background: #111111; border-radius: 16px; }
.sx-gallery__slide figcaption { font-size: 0.95rem; opacity: 0.6; margin-top: 10px; }
.sx-gallery__nav { display: flex; align-items: center; justify-content: flex-end; gap: 12px; margin-top: 10px; }
.sx-gallery__nav[hidden] { display: none; }
.sx-gallery__count { font-size: 0.95rem; opacity: 0.6; min-width: 44px; text-align: center; }
.sx-gallery__btn { width: 44px; height: 44px; border-radius: 50%; cursor: pointer; font-size: 1.1rem; border: 1.6px solid rgba(255, 255, 255, 0.4); background: transparent; color: #FFFFFF; }
.sx-gallery__btn:hover:not(:disabled) { border-color: #FFFFFF; }
.sx-gallery__btn:disabled { opacity: 0.35; cursor: default; }
.sx-gallery__caption { font-size: 1rem; opacity: 0.6; margin: 6px 0 0; }

/* ── Subscribe panel (slides in on articles) ── */
.sx-sub {
    position: fixed; bottom: 24px; z-index: 900; width: 380px; max-width: calc(100vw - 32px);
    padding: 28px 28px 22px; background: #FFFFFF; color: #000000; border-radius: 16px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.2);
    font: 400 1rem/1.5 "IBM Plex Sans", sans-serif;
    opacity: 0; transform: translateY(16px); transition: opacity 0.3s ease, transform 0.3s ease;
}
.sx-sub--right { right: 24px; }
.sx-sub--left { left: 24px; }
.sx-sub.is-open { opacity: 1; transform: none; }
.sx-sub [hidden] { display: none !important; }
.sx-sub__close { position: absolute; top: 8px; right: 10px; width: 36px; height: 36px; border: 0; background: none; font-size: 26px; line-height: 1; cursor: pointer; color: inherit; opacity: 0.6; }
.sx-sub__close:hover { opacity: 1; }
.sx-sub__title { margin: 0 28px 8px 0; font-size: 1.3rem; font-weight: 700; }
.sx-sub__text { margin: 0 0 16px; color: #444444; }
.sx-sub__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.sx-sub__row { display: flex; gap: 8px; }
.sx-sub__input { flex: 1; min-width: 0; height: 48px; padding: 0 14px; font: inherit; color: #000000; background: #FFFFFF; border: 1.6px solid #000000; border-radius: 12px; }
.sx-sub__input:focus { outline: 3px solid #000000; outline-offset: 1px; }
.sx-sub__btn { height: 48px; padding: 0 18px; font: 500 1rem/1 "IBM Plex Sans", sans-serif; color: #FFFFFF; background: #000000; border: 0; border-radius: 12px; cursor: pointer; white-space: nowrap; }
.sx-sub__btn:hover { background: #333333; }
.sx-sub__btn:disabled { opacity: 0.5; cursor: default; }
.sx-sub__consent { display: flex; gap: 10px; align-items: flex-start; margin-top: 12px; font-size: 0.85rem; line-height: 1.45; color: #444444; cursor: pointer; }
.sx-sub__consent input { margin: 3px 0 0; flex: none; accent-color: #000000; }
.sx-sub__consent a { color: inherit; text-decoration: underline; }
.sx-sub__msg { margin: 12px 0 0; font-size: 0.95rem; }
.sx-sub__msg:empty { display: none; }
.sx-sub__msg.is-error { color: #B3261E; }
.sx-sub__msg.is-ok { color: #1E7E34; font-weight: 600; }

/* ── Forms (future users) ───────────────────────────────────── */
.kx-form { max-width: 820px; margin-top: 64px; display: grid; gap: 32px; }
.kx-form[hidden], .kx-done[hidden] { display: none; }
.kx-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.kx-field { display: flex; flex-direction: column; gap: 12px; }
.kx-field[hidden] { display: none; }
.kx-field label { font-size: 1.25rem; font-weight: 500; }
.kx-field input, .kx-field select, .kx-field textarea {
    width: 100%; padding: 16px; font: 400 1.25rem/1.5 "IBM Plex Sans", sans-serif; color: #FFFFFF;
    background-color: rgba(255, 255, 255, 0.1); border: 1.6px solid rgba(255, 255, 255, 0.25); border-radius: 8px;
}
.kx-field select { appearance: none; padding-right: 48px; background-image: linear-gradient(45deg, transparent 50%, #FFFFFF 50%), linear-gradient(135deg, #FFFFFF 50%, transparent 50%); background-position: calc(100% - 26px) 50%, calc(100% - 19px) 50%; background-size: 7px 7px; background-repeat: no-repeat; }
.kx-field select option { color: #000000; background: #FFFFFF; }
.kx-field textarea { min-height: 200px; resize: vertical; }
.kx-field input:focus, .kx-field select:focus, .kx-field textarea:focus { outline: none; border-color: #FFFFFF; background-color: rgba(255, 255, 255, 0.08); }
.kx-field.is-invalid input, .kx-field.is-invalid select, .kx-field.is-invalid textarea { border-color: #FF6B6B; }
.kx-field small { font-size: 0.95rem; opacity: 0.6; }
.kx-consent { display: flex; gap: 14px; align-items: flex-start; font-size: 1.05rem; line-height: 1.55; opacity: 0.85; cursor: pointer; }
.kx-consent input { width: 22px; height: 22px; margin: 2px 0 0; flex: none; accent-color: #FFFFFF; }
.kx-consent.is-invalid { color: #FF6B6B; opacity: 1; }
.kx-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.kx-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; }
.kx-msg { font-size: 1.1rem; margin: 0; }
.kx-msg.is-error { color: #FF6B6B; }
.kx-done { max-width: 820px; margin-top: 64px; padding: 48px; border: 3.2px solid #FFFFFF; border-radius: 32px; }
.kx-done h2 { font-size: 2rem; font-weight: 700; }
.kx-done p { font-size: 1.25rem; line-height: 1.6; opacity: 0.85; margin: 16px 0 32px; }

/* ── Footer (same as screen.css) ────────────────────────────── */
#footer { border-top: 1px solid rgba(255, 255, 255, 0.25); }
.footer-box { display: flex; flex-wrap: wrap; gap: 32px; align-items: flex-start; justify-content: space-between; padding: 192px; font-size: 1.938rem; }
.footer-box a { text-decoration: none; }
.f-column1 img { height: 64px; width: auto; display: block; transform: translateY(12px); }
.f-column2 { line-height: 150%; }
.f-column2 span { color: #FFFFFF; }
.f-column2 .f-small { font-size: 1.1rem; margin-top: 16px; opacity: 0.75; }
.f-column3 ul, .f-column4 ul { list-style: none; line-height: 150%; }
.f-column5 { display: flex; flex-direction: column; }
.f-column5 a { margin-bottom: 32px; }
.f-column2 a:hover, .f-column3 a:hover, .f-column4 a:hover, .f-column5 a:hover { opacity: 0.75; cursor: pointer; }
.disabled { opacity: 0.25; }
.disabled:hover { cursor: not-allowed !important; opacity: 0.25 !important; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 100em) {
    .kx-header { padding: 0 96px; }
    .kx-main { padding: 48px 96px 96px; }
    .footer-box { padding: 128px 96px; }
}

@media (max-width: 64em) {
    .kx-header { padding: 0 32px; }
    .kx-header .sub-header { flex-direction: column; padding: 48px 0 16px; gap: 24px; }
    .kx-header nav ul { justify-content: center; gap: 8px 0; }
    .nav-butt { padding: 0 16px; font-size: 1.25rem; line-height: 2rem; }
    .nav-butt::after { left: 16px; }
    .kx-main { padding: 32px 32px 64px; }
    .kx-main > * { border-left: none; padding-left: 0; }
    .kx-main h1 { font-size: 2.2rem; }
    .kx-lead, .kx-doc .kx-lead { font-size: 1.2rem; }
    .kx-doc .kx-lead { padding: 24px; }
    .blog-feat { grid-template-columns: 1fr; gap: 24px; padding: 20px; border-radius: 24px; }
    .blog-feat__title { font-size: 1.8rem; }
    .post-grid { grid-template-columns: 1fr; }
    .article__body { font-size: 1.125rem; }
    .article__body h2 { font-size: 1.6rem; }
    .kx-form__row { grid-template-columns: 1fr; }
    .sx-story { grid-template-columns: 1fr; justify-items: center; text-align: center; padding: 20px; }
    .sx-share__row { justify-content: center; }
    .sx-share--article { flex-direction: column; align-items: flex-start; }
    .sx-share--article .sx-share__row { justify-content: flex-start; }
    .article-nav { grid-template-columns: 1fr; }
    .article-nav__next { text-align: left; }
    .kx-done { padding: 28px; }
    .footer-box { padding: 64px 32px; gap: 48px; font-size: 1.454rem; }
}

@media (max-width: 600px) {
    .sx-sub, .sx-sub--left, .sx-sub--right { left: 8px; right: 8px; bottom: 8px; width: auto; max-width: none; }
    .post-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .sx-sub, .nav-butt::after { transition: none; }
}