/* ==========================================================================
   XPERT — INTERIOR PAGES (about, contact, blog, 404, search)
   ========================================================================== */

/* ── 404 ──────────────────────────────────────────────────────────── */
.xpert-404 {
    min-height: 70vh;
    display: grid;
    place-items: center;
    background: var(--xpert-bg);
    padding: 80px var(--gutter);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.xpert-404::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}
.xpert-404__inner { position: relative; z-index: 1; max-width: 620px; }
.xpert-404__code {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(140px, 22vw, 280px);
    line-height: .85;
    color: var(--xpert-deep);
    letter-spacing: -0.04em;
    text-shadow: 8px 8px 0 var(--xpert-accent);
    margin-bottom: 26px;
}
.xpert-404 h1 {
    font-size: 38px;
    text-transform: uppercase;
    margin: 0 0 14px;
}
.xpert-404 p {
    color: var(--xpert-muted);
    font-size: 16px;
    margin-bottom: 32px;
}
.xpert-404__ctas {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ── Blog index / archive ─────────────────────────────────────────── */
.xpert-blog-archive {
    padding: 60px 0 90px;
    background: var(--xpert-bg);
}
.xpert-blog-archive__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 26px;
}
.xpert-blog-archive__grid > article { background: #fff; }
.xpert-blog-archive__grid > article:first-child { grid-column: 1 / -1; }
.xpert-blog-archive__grid > article:first-child .xh-blog-card__img { aspect-ratio: 21/9; }
.xpert-blog-archive__grid > article:first-child .xh-blog-card__title { font-size: 36px; }

/* ── Single post ──────────────────────────────────────────────────── */
.xpert-single-post {
    background: #fff;
    padding: 60px 0 90px;
}
.xpert-single-post__hero {
    background: var(--xpert-deep);
    color: #fff;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.xpert-single-post__hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 32px 32px;
}
.xpert-single-post__hero-inner {
    position: relative;
    z-index: 1;
    max-width: 820px;
    margin: 0 auto;
    text-align: center;
}
.xpert-single-post__cat {
    display: inline-block;
    background: var(--xpert-accent);
    color: #fff;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .12em;
    text-transform: uppercase;
    padding: 6px 12px;
    margin-bottom: 22px;
    font-weight: 600;
}
.xpert-single-post__hero h1 {
    color: #fff;
    font-size: clamp(34px, 5vw, 60px);
    text-transform: uppercase;
    line-height: 1.05;
    margin: 0 0 24px;
}
.xpert-single-post__meta {
    font-family: var(--font-mono);
    font-size: 12px;
    color: rgba(255,255,255,.6);
    letter-spacing: .08em;
    text-transform: uppercase;
    display: inline-flex;
    gap: 24px;
    align-items: center;
}
.xpert-single-post__meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.xpert-single-post__body {
    max-width: 760px;
    margin: 0 auto;
    padding: 70px 0;
    font-size: 17px;
    line-height: 1.75;
}
.xpert-single-post__body p { margin-bottom: 1.4em; }
.xpert-single-post__body h2 { font-size: 32px; text-transform: uppercase; margin: 1.4em 0 .5em; }
.xpert-single-post__body h3 { font-size: 24px; text-transform: uppercase; margin: 1.3em 0 .5em; color: var(--xpert-primary); }
.xpert-single-post__body img { margin: 1.5em 0; border: 1px solid var(--xpert-border); }
.xpert-single-post__body pre {
    background: var(--xpert-deep);
    color: #fff;
    padding: 20px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.5;
}

/* ── About page ───────────────────────────────────────────────────── */
.xpert-about-intro {
    padding: 90px 0;
    background: #fff;
}
.xpert-about-intro__inner {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 60px;
    align-items: center;
}
.xpert-about-intro h2 {
    font-size: clamp(36px, 5vw, 60px);
    text-transform: uppercase;
    line-height: 1;
    margin: 12px 0 22px;
}
.xpert-about-intro__lead {
    font-size: 18px;
    color: var(--xpert-deep);
    margin-bottom: 18px;
    line-height: 1.55;
    font-weight: 500;
}
.xpert-about-intro__text {
    color: var(--xpert-muted);
    font-size: 15.5px;
    line-height: 1.7;
}
.xpert-about-intro__art {
    background: var(--xpert-deep);
    aspect-ratio: 4/5;
    position: relative;
    overflow: hidden;
    color: #fff;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.xpert-about-intro__art::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 24px 24px;
}
.xpert-about-intro__art > * { position: relative; z-index: 1; }
.xpert-about-intro__art-top {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: rgba(255,255,255,.6);
}
.xpert-about-intro__art-big {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(64px, 12vw, 130px);
    line-height: .85;
    text-transform: uppercase;
}
.xpert-about-intro__art-big .accent { color: var(--xpert-accent); }

.xpert-about-stats {
    background: var(--xpert-deep);
    color: #fff;
    padding: 70px 0;
}
.xpert-about-stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border: 1px solid rgba(255,255,255,.1);
}
.xpert-about-stat {
    padding: 38px 30px;
    border-right: 1px solid rgba(255,255,255,.08);
}
.xpert-about-stat:last-child { border-right: 0; }
.xpert-about-stat__num {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 56px;
    color: var(--xpert-accent);
    line-height: 1;
    margin-bottom: 8px;
}
.xpert-about-stat__label {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: rgba(255,255,255,.7);
}

.xpert-about-values {
    padding: 90px 0;
    background: var(--xpert-bg);
}
.xpert-about-values__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-top: 40px;
}
.xpert-about-value {
    background: #fff;
    border: 1px solid var(--xpert-border);
    padding: 32px;
}
.xpert-about-value__icon {
    width: 52px; height: 52px;
    background: var(--xpert-bg);
    color: var(--xpert-accent);
    display: grid;
    place-items: center;
    margin-bottom: 22px;
    border: 1px solid var(--xpert-border);
}
.xpert-about-value__icon svg { width: 28px; height: 28px; }
.xpert-about-value h3 {
    font-size: 22px;
    text-transform: uppercase;
    margin-bottom: 12px;
}
.xpert-about-value p {
    color: var(--xpert-muted);
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

/* ── Contact page ─────────────────────────────────────────────────── */
.xpert-contact {
    padding: 80px 0;
    background: var(--xpert-bg);
}
.xpert-contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 50px;
    background: #fff;
    border: 1px solid var(--xpert-border);
}
.xpert-contact__info {
    background: var(--xpert-deep);
    color: #fff;
    padding: 48px;
    position: relative;
    overflow: hidden;
}
.xpert-contact__info::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 24px 24px;
}
.xpert-contact__info > * { position: relative; z-index: 1; }
.xpert-contact__info h2 {
    color: #fff;
    font-size: 36px;
    text-transform: uppercase;
    margin: 14px 0 18px;
}
.xpert-contact__info-text {
    color: rgba(255,255,255,.7);
    margin-bottom: 36px;
    line-height: 1.55;
}
.xpert-contact__items {
    display: flex;
    flex-direction: column;
    gap: 22px;
}
.xpert-contact__item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.xpert-contact__item-icon {
    width: 40px; height: 40px;
    border: 1px solid rgba(255,255,255,.18);
    color: var(--xpert-accent);
    display: grid;
    place-items: center;
    flex-shrink: 0;
}
.xpert-contact__item-icon svg { width: 18px; height: 18px; }
.xpert-contact__item-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .12em;
    color: rgba(255,255,255,.55);
    text-transform: uppercase;
    margin-bottom: 4px;
}
.xpert-contact__item-value {
    font-size: 16px;
    color: #fff;
    font-weight: 500;
}
.xpert-contact__item-value a { color: #fff !important; }
.xpert-contact__item-value a:hover { color: var(--xpert-accent) !important; }

.xpert-contact__form {
    padding: 48px;
}
.xpert-contact__form h2 {
    font-size: 32px;
    text-transform: uppercase;
    margin-bottom: 22px;
}
.xpert-contact__form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.xpert-contact__form-grid .full { grid-column: 1 / -1; }

/* ── Search ───────────────────────────────────────────────────────── */
.xpert-search-results {
    padding: 60px 0 90px;
}
.xpert-search-results__list {
    display: flex;
    flex-direction: column;
    gap: 18px;
    max-width: 900px;
    margin: 30px auto 0;
}
.xpert-search-result {
    background: #fff;
    border: 1px solid var(--xpert-border);
    padding: 26px 30px;
    transition: all .2s ease;
}
.xpert-search-result:hover {
    border-color: var(--xpert-deep);
    transform: translateX(4px);
}
.xpert-search-result__type {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--xpert-accent);
    letter-spacing: .12em;
    text-transform: uppercase;
    margin-bottom: 8px;
}
.xpert-search-result h3 {
    font-size: 24px;
    text-transform: uppercase;
    margin-bottom: 8px;
}
.xpert-search-result__excerpt {
    color: var(--xpert-muted);
    font-size: 15px;
    line-height: 1.55;
}

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 900px) {
    .xpert-about-intro__inner { grid-template-columns: 1fr; gap: 40px; }
    .xpert-about-stats__grid { grid-template-columns: repeat(2, 1fr); }
    .xpert-about-stat:nth-child(2) { border-right: 0; }
    .xpert-about-stat:nth-child(1), .xpert-about-stat:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,.08); }
    .xpert-about-values__grid { grid-template-columns: 1fr; }
    .xpert-contact__grid { grid-template-columns: 1fr; }
    .xpert-blog-archive__grid { grid-template-columns: 1fr; }
    .xpert-blog-archive__grid > article:first-child .xh-blog-card__title { font-size: 28px; }
}
@media (max-width: 600px) {
    .xpert-contact__info, .xpert-contact__form { padding: 32px 24px; }
    .xpert-contact__form-grid { grid-template-columns: 1fr; }
    .xpert-about-stats__grid { grid-template-columns: 1fr; }
    .xpert-about-stat { border-right: 0 !important; border-bottom: 1px solid rgba(255,255,255,.08); }
    .xpert-about-stat:last-child { border-bottom: 0; }
}