/*!
 * XueDao Lao Shi — plugin stylesheet
 * Brand: teal #0ABAB5 (matches the XueDao Lao Shi logo)
 * Type:  Inter for body, Playfair Display for headlines (display)
 */

:root {
    --xls-primary:        #0ABAB5;
    --xls-primary-dark:   #067E7A;
    --xls-primary-soft:   #81D8D0;
    --xls-ink:         #0f172a;
    --xls-ink-mute:    #475569;
    --xls-ink-soft:    #64748b;
    --xls-bg:          #ffffff;
    --xls-bg-alt:      #f8fafc;
    --xls-bg-tint:     #E8F8F7;
    --xls-border:      rgba(15, 23, 42, 0.10);
    --xls-radius-sm:   8px;
    --xls-radius:      14px;
    --xls-radius-lg:   22px;
    --xls-shadow-sm:   0 2px 8px rgba(15,23,42,0.05);
    --xls-shadow:      0 12px 40px rgba(15,23,42,0.08);
    --xls-shadow-lg:   0 30px 80px rgba(15,23,42,0.15);
    --xls-max:         1200px;
    --xls-max-narrow:  780px;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; font-size: 15px; }  /* was browser default 16px — pulls everything down ~6% */
body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: var(--xls-ink);
    background: var(--xls-bg);
    line-height: 1.55;
    font-size: 0.95rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
img, video, iframe { max-width: 100%; height: auto; display: block; }
a { color: var(--xls-primary-dark); text-decoration: none; }
a:hover { color: var(--xls-ink); }
h1, h2, h3, h4 { font-family: 'Playfair Display', Georgia, 'Times New Roman', serif; color: var(--xls-ink); margin: 0 0 0.55em; line-height: 1.18; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.7rem, 3vw + 0.6rem, 2.7rem); font-weight: 600; }
h2 { font-size: clamp(1.35rem, 1.7vw + 0.6rem, 1.95rem); font-weight: 600; }
h3 { font-size: 1.08rem; font-weight: 600; }
h4 { font-size: 0.88rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--xls-ink-mute); }
p  { margin: 0 0 0.9em; font-size: 0.95rem; }
ul { padding-left: 1.1em; font-size: 0.95rem; }
em { color: var(--xls-primary-dark); font-style: italic; }

.container { max-width: var(--xls-max); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: var(--xls-max-narrow); }

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 16px; background: #fff; padding: 8px 14px; border-radius: 8px; z-index: 9999; }
.screen-reader-text { position: absolute !important; clip: rect(1px,1px,1px,1px); width: 1px; height: 1px; overflow: hidden; }

.eyebrow {
    display: inline-block;
    font-family: 'Inter', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--xls-primary-dark);
    margin-bottom: 14px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 11px 22px;
    border-radius: 999px;
    background: var(--xls-primary);
    color: #fff !important;
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.1;
    border: 1px solid var(--xls-primary);
    transition: background .15s ease, transform .15s ease, box-shadow .15s ease;
    cursor: pointer;
}
.btn:hover { background: var(--xls-primary-dark); border-color: var(--xls-primary-dark); transform: translateY(-1px); box-shadow: 0 8px 22px rgba(20, 184, 166, 0.30); color: #fff !important; }
.btn--ghost { background: transparent; color: var(--xls-ink) !important; border-color: rgba(15,23,42,0.16); }
.btn--ghost:hover { background: rgba(15,23,42,0.05); color: var(--xls-ink) !important; border-color: rgba(15,23,42,0.30); box-shadow: none; }
.btn--light { background: #fff; color: var(--xls-primary-dark) !important; border-color: #fff; }
.btn--light:hover { background: #f8fafc; color: var(--xls-primary-dark) !important; border-color: #fff; box-shadow: 0 8px 22px rgba(0,0,0,0.10); }

/* Small "Demo" CTA in the top-right of the header. Outlined Tiffany Blue,
 * lighter weight than the primary CTA so it reads as a secondary action,
 * but with a play-icon prefix that makes it scannable. Hover inverts to
 * solid Tiffany Blue (matches primary .btn hover pattern). */
.btn--demo {
    background: transparent;
    color: var(--xls-primary-dark) !important;
    border-color: var(--xls-primary);
    padding: 8px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn--demo__icon { font-size: 0.7rem; line-height: 1; color: var(--xls-primary); }
.btn--demo:hover {
    background: var(--xls-primary);
    color: #fff !important;
    border-color: var(--xls-primary);
    box-shadow: 0 6px 18px rgba(20, 184, 166, 0.25);
}
.btn--demo:hover .btn--demo__icon { color: #fff; }

.link-arrow {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--xls-primary-dark);
    font-weight: 600;
    font-size: 0.95rem;
}
.link-arrow::after { content: "→"; transition: transform .15s ease; }
.link-arrow:hover::after { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--xls-border); }
.site-header__bar { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px 24px; }
.site-brand { display: inline-flex; align-items: center; }
.site-nav { flex: 1; display: flex; justify-content: center; }
.primary-menu { list-style: none; padding: 0; margin: 0; display: flex; gap: 22px; flex-wrap: wrap; align-items: center; }
.primary-menu li { margin: 0; }
.primary-menu a { color: var(--xls-ink); font-weight: 500; font-size: 0.95rem; }
.primary-menu a:hover { color: var(--xls-primary-dark); }
.site-header__cta { display: flex; align-items: center; gap: 10px; }

/* Hamburger button — three lines that animate into an X when the drawer opens.
 * !important guards the inner-bar styles against any active-theme CSS that
 * resets <button> child elements (a common cause of "invisible hamburger"). */
.nav-toggle {
    display: none;
    position: relative;
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    background: transparent !important;
    border: 1px solid rgba(15,23,42,0.10) !important;
    border-radius: 8px;
    padding: 0 !important;
    margin: 0;
    cursor: pointer;
    box-shadow: none !important;
    appearance: none;
    -webkit-appearance: none;
}
.nav-toggle:hover { background: rgba(15,23,42,0.04) !important; }
.nav-toggle span {
    display: block !important;
    position: absolute !important;
    left: 9px !important;
    right: 9px !important;
    height: 2.5px !important;
    width: auto !important;
    background: #0f172a !important;          /* explicit dark slate — visible on the white header */
    border-radius: 2px !important;
    transition: transform .22s ease, opacity .15s ease, top .22s ease;
    margin: 0 !important;
}
.nav-toggle span:nth-child(1) { top: 12px !important; }
.nav-toggle span:nth-child(2) { top: 19px !important; }
.nav-toggle span:nth-child(3) { top: 26px !important; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { top: 19px !important; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { top: 19px !important; transform: rotate(-45deg); }
/* The .nav-toggle button contains a .screen-reader-text <span> for a11y — must NOT
 * be styled like a bar. The :nth-child rules above target the first 3 spans by
 * position; the screen-reader span is the 4th and skipped. Defensive belt-and-braces: */
.nav-toggle .screen-reader-text { position: absolute !important; clip: rect(1px,1px,1px,1px); width: 1px !important; height: 1px !important; overflow: hidden; background: transparent !important; }

/* Mid breakpoint — keep desktop layout but drop the ghost CTA so the bar
 * doesn't crowd. Hamburger still hidden. */
@media (max-width: 1024px) {
    .primary-menu { gap: 14px; }
    .site-header__cta .btn--ghost { display: none; }
}

/* Mobile / tablet — show the hamburger, hide the inline menu, render
 * it as a full-width vertical drawer when toggled open. */
@media (max-width: 880px) {
    .site-header__bar { flex-wrap: wrap; align-items: center; padding: 10px 16px; gap: 8px; }
    .site-brand { order: 1; }
    .site-brand img,
    .site-brand .custom-logo { height: 48px !important; width: auto !important; }
    .site-header__cta { order: 2; margin-left: auto; gap: 6px; }
    .site-header__cta .btn { padding: 9px 14px; font-size: 0.86rem; }
    .nav-toggle { display: block; order: 3; }

    .site-nav {
        order: 99;
        display: none;
        flex-basis: 100%;
        width: 100%;
        margin-top: 6px;
    }
    .site-nav.is-open {
        display: block;
        padding-top: 8px;
        border-top: 1px solid var(--xls-border);
        animation: xls-drawer-in .18s ease-out;
    }
    .primary-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 4px 0;
    }
    .primary-menu li { margin: 0; border-bottom: 1px solid var(--xls-border); }
    .primary-menu li:last-child { border-bottom: 0; }
    .primary-menu a {
        display: block;
        padding: 12px 4px;
        font-size: 1.0rem;
        color: var(--xls-ink);
    }
    .primary-menu a:hover,
    .primary-menu a:focus { color: var(--xls-primary-dark); background: rgba(10,186,181,0.04); }

    /* Language switcher sits inside the .site-header__cta cluster on desktop;
     * on mobile it gets a bit too cramped — let it wrap onto its own row at
     * the very narrow end. */
    .xls-lang-switch { margin-right: 4px !important; }
}
@keyframes xls-drawer-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }

/* Very narrow phones (< 420px): drop the language switcher under the menu so
 * the brand + CTA + hamburger fit cleanly on one line. */
@media (max-width: 420px) {
    .xls-lang-switch { order: 100; flex-basis: 100%; justify-content: center; margin: 4px 0 0 !important; }
    .site-brand img,
    .site-brand .custom-logo { height: 40px !important; }
    .site-header__cta .btn { padding: 8px 12px; font-size: 0.82rem; }
}

/* ---------- Hero ---------- */
.hero { padding: 72px 0 56px; background: linear-gradient(180deg, var(--xls-bg-tint) 0%, #fff 80%); }
.hero__grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero__copy h1 { margin-bottom: 14px; }
.hero__tagline { font-family: 'Playfair Display', serif; font-style: italic; font-size: 1.4rem; color: var(--xls-primary-dark); margin: 0 0 18px; }
.hero__lede { font-size: 1.1rem; color: var(--xls-ink-mute); max-width: 56ch; }
.hero__actions { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.hero__actions--row { flex-direction: row; }
@media (max-width: 880px) { .hero__grid { grid-template-columns: 1fr; gap: 36px; } }

/* ---------- TV (hospital entrance) ---------- */
.tv {
    position: relative;
    padding: 24px 24px 48px;
    background:
        radial-gradient(circle at 50% 0%, rgba(10,186,181,0.10) 0%, transparent 70%),
        linear-gradient(180deg, #f1f5f9 0%, #e2e8f0 100%);
    border-radius: var(--xls-radius-lg);
    box-shadow: var(--xls-shadow);
    overflow: hidden;
}
.tv__wall {
    position: absolute; inset: 0;
    background:
        repeating-linear-gradient( 90deg, rgba(15,23,42,0.03) 0 1px, transparent 1px 64px),
        repeating-linear-gradient( 0deg, rgba(15,23,42,0.03) 0 1px, transparent 1px 64px);
    pointer-events: none;
}
.tv__chassis {
    position: relative;
    margin: 0 auto;
    max-width: 560px;
}
.tv__brand {
    display: block;
    text-align: center;
    font-family: 'Inter', sans-serif;
    font-size: 0.62rem;
    letter-spacing: 0.28em;
    color: var(--xls-ink-soft);
    text-transform: uppercase;
    margin-bottom: 8px;
}
.tv__bezel {
    background: #0f172a;
    border-radius: 14px;
    padding: 10px;
    box-shadow:
        0 14px 36px rgba(15,23,42,0.30),
        inset 0 0 0 2px #1e293b;
    position: relative;
}
.tv__bezel::after {
    content: "";
    position: absolute; left: 50%; bottom: -8px; transform: translateX(-50%);
    width: 6px; height: 6px; border-radius: 50%; background: var(--xls-primary);
    box-shadow: 0 0 8px rgba(10,186,181,0.7);
}
.tv__screen {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: 6px;
    overflow: hidden;
    background: #000;
}
.tv__screen iframe {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    border: 0;
}
.tv__glare {
    position: absolute; inset: 0;
    background: linear-gradient(120deg, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0) 30%, rgba(255,255,255,0) 70%, rgba(255,255,255,0.08) 100%);
    pointer-events: none;
}
.tv__placeholder {
    position: absolute; inset: 0;
    background: radial-gradient(circle at 50% 35%, #067E7A 0%, #0f172a 100%);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-align: center; padding: 18px;
    color: #fff;
    gap: 10px;
}
.tv__placeholder-mark { background: #fff; border-radius: 8px; padding: 8px 14px; box-shadow: 0 6px 18px rgba(0,0,0,0.25); }
.tv__placeholder-mark img { height: 32px; width: auto; display: block; }
.tv__placeholder-status {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 0.7rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
    color: #81D8D0;
}
.tv__placeholder-dot {
    display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #0ABAB5;
    box-shadow: 0 0 8px rgba(10,186,181,0.8);
    animation: xls-blink 1.4s ease-in-out infinite;
}
@keyframes xls-blink { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }
.tv__placeholder-title { font-family: 'Playfair Display', serif; font-style: italic; font-size: 1.2rem; }
.tv__placeholder-sub { font-size: 0.78rem; color: rgba(255,255,255,0.7); }
.tv__stand {
    display: block;
    width: 80px; height: 32px;
    margin: 6px auto 0;
    background: linear-gradient(180deg, #cbd5e1, #94a3b8);
    border-radius: 3px;
    box-shadow: inset 0 -3px 0 rgba(15,23,42,0.12);
}
.tv__base {
    display: block;
    width: 180px; height: 10px;
    margin: 0 auto;
    background: linear-gradient(180deg, #94a3b8, #64748b);
    border-radius: 4px;
    box-shadow: 0 6px 12px rgba(15,23,42,0.18);
}
.tv__floor {
    position: relative;
    margin-top: 10px;
    text-align: center;
}
.tv__signage {
    display: inline-block;
    background: rgba(10,186,181,0.12);
    color: var(--xls-primary-dark);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    padding: 5px 12px;
    border-radius: 999px;
}

/* ---------- Mission strip (logos / institutions) ---------- */
.mission-strip { padding: 22px 0; background: var(--xls-bg-alt); border-top: 1px solid var(--xls-border); border-bottom: 1px solid var(--xls-border); }
.mission-strip__inner { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.mission-strip__inner .eyebrow { margin: 0; }
.mission-strip__items { display: flex; gap: 22px; flex-wrap: wrap; }
.mission-strip__items span { color: var(--xls-ink-mute); font-weight: 600; font-size: 0.85rem; letter-spacing: 0.04em; }

/* ---------- Section head ---------- */
.section-head { max-width: 720px; margin: 0 auto 36px; text-align: center; }
.section-head p { color: var(--xls-ink-mute); font-size: 1.05rem; }

/* ---------- Agentic modules ---------- */
.modules-section { padding: 80px 0; background: #fff; }
.modules-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 980px) { .modules-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .modules-grid { grid-template-columns: 1fr; } }

.module-card {
    padding: 22px 22px 26px;
    background: #fff;
    border: 1px solid var(--xls-border);
    border-radius: var(--xls-radius);
    transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.module-card:hover { transform: translateY(-2px); box-shadow: var(--xls-shadow-sm); border-color: rgba(10,186,181,0.30); }
.module-card__head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.module-card__badge {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px;
    border-radius: 10px;
    background: var(--xls-primary);
    color: #fff;
    font-weight: 700;
    font-family: 'Playfair Display', serif;
    font-size: 1.15rem;
}
.module-card__code { font-family: 'Inter', monospace; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.16em; color: var(--xls-ink-soft); }
.module-card h3 { margin: 0 0 6px; font-size: 1.15rem; }
.module-card__tag { display: inline-block; color: var(--xls-primary-dark); font-size: 0.78rem; font-weight: 600; margin-bottom: 10px; }
.module-card p { font-size: 0.94rem; color: var(--xls-ink-mute); margin: 0; }
.modules-section__cta { text-align: center; margin-top: 28px; }

/* ---------- Modules detail page ---------- */
.modules-detail { padding: 40px 0 80px; }
.module-detail { padding: 28px; background: #fff; border: 1px solid var(--xls-border); border-radius: var(--xls-radius-lg); margin-bottom: 20px; box-shadow: var(--xls-shadow-sm); }
.module-detail__head { display: flex; align-items: flex-start; gap: 18px; margin-bottom: 14px; }
.module-detail__badge {
    flex-shrink: 0;
    width: 56px; height: 56px;
    border-radius: 14px;
    background: var(--xls-primary);
    color: #fff;
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    font-weight: 700;
    display: inline-flex; align-items: center; justify-content: center;
}
.module-detail__code { font-family: 'Inter', monospace; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.16em; color: var(--xls-ink-soft); display: block; }
.module-detail h2 { margin: 4px 0 6px; }
.module-detail__tag { color: var(--xls-primary-dark); font-size: 0.85rem; font-weight: 600; }
.module-detail__points { padding-left: 1.1em; color: var(--xls-ink-mute); }
.module-detail__points li { margin-bottom: 6px; }

/* ---------- Generic feature / split layout ---------- */
.feature { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; padding: 64px 0; }
.feature__media img { border-radius: var(--xls-radius-lg); box-shadow: var(--xls-shadow); }
@media (max-width: 880px) { .feature { grid-template-columns: 1fr; gap: 28px; padding: 40px 0; } }
.social .feature { padding-top: 24px; }
.feature--text-only { grid-template-columns: 1fr; max-width: 820px; margin: 0 auto; text-align: left; }
.feature--text-only .feature__copy { padding: 0; }
/* Reverse layout — media on the right, copy on the left */
.feature--reverse .feature__media { order: 2; }
.feature--reverse .feature__copy  { order: 1; }
@media (max-width: 880px) {
    .feature--reverse .feature__media { order: 1; }
    .feature--reverse .feature__copy  { order: 2; }
}

/* ---------- Founder section (About page) ---------- */
.founder-section {
    padding: 64px 0;
    background: linear-gradient(180deg, #fff 0%, var(--xls-bg-tint) 100%);
    border-top: 1px solid var(--xls-border);
    border-bottom: 1px solid var(--xls-border);
}
.founder-section .feature { padding: 0; }

.founder-card {
    padding: 16px;
    background: #fff;
    border: 1px solid var(--xls-border);
    border-radius: var(--xls-radius-lg);
    box-shadow: var(--xls-shadow);
    text-align: center;
    max-width: 260px;
    margin: 0 auto;
}
.founder-card__photo {
    width: 100%;
    height: auto;
    max-height: 240px;
    border-radius: var(--xls-radius);
    object-fit: cover;
    aspect-ratio: 1 / 1;
    box-shadow: var(--xls-shadow-sm);
    margin-bottom: 12px;
}
.founder-card h3 {
    margin: 4px 0 4px;
    font-size: 1.1rem;
}
.founder-card__role {
    color: var(--xls-primary-dark);
    font-weight: 600;
    font-size: 0.82rem;
    margin: 0 0 2px;
}
.founder-card__role + .founder-card__role {
    color: var(--xls-ink-soft);
    font-weight: 500;
    font-size: 0.76rem;
    margin-top: 1px;
}

.founder-quote {
    margin: 24px 0;
    padding: 20px 24px;
    border-left: 4px solid var(--xls-primary);
    background: rgba(20, 184, 166, 0.06);
    border-radius: 0 var(--xls-radius) var(--xls-radius) 0;
    font-family: 'Playfair Display', Georgia, serif;
    font-style: italic;
    font-size: 1.08rem;
    line-height: 1.55;
    color: var(--xls-ink);
}
.founder-quote span {
    display: block;
    margin-top: 12px;
    font-family: 'Inter', sans-serif;
    font-style: normal;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--xls-ink-soft);
}

/* ---------- Countries ---------- */
.countries { padding: 64px 0; background: var(--xls-bg-alt); }
.countries__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 980px) { .countries__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .countries__grid { grid-template-columns: 1fr; } }
.country-card { padding: 22px; background: #fff; border: 1px solid var(--xls-border); border-radius: var(--xls-radius); transition: transform .15s ease, box-shadow .15s ease; }
.country-card:hover { transform: translateY(-2px); box-shadow: var(--xls-shadow-sm); }
.country-card__flag { font-size: 2rem; line-height: 1; display: block; margin-bottom: 10px; font-family: "Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif; }
.country-card h3 { margin: 0 0 8px; font-size: 1.1rem; }
.country-card p { font-size: 0.92rem; color: var(--xls-ink-mute); margin: 0; }

/* ---------- Founder ---------- */
.founder { padding: 64px 0; background: linear-gradient(180deg, #fff 0%, var(--xls-bg-tint) 100%); }
.founder__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: center; }
.founder__media { position: relative; }
.founder__media img { border-radius: var(--xls-radius-lg); box-shadow: var(--xls-shadow); }
.founder__chip { position: absolute; top: 16px; left: 16px; background: var(--xls-primary); color: #fff; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; padding: 5px 12px; border-radius: 999px; }
.founder__role { color: var(--xls-primary-dark); font-weight: 600; margin: -8px 0 14px; }
.founder__creds { padding-left: 1.1em; margin-bottom: 18px; }
.founder__creds li { margin-bottom: 6px; color: var(--xls-ink-mute); }
@media (max-width: 880px) { .founder__grid { grid-template-columns: 1fr; gap: 28px; } }

.founder-page { padding: 40px 0 80px; }
.founder-page__grid { display: grid; grid-template-columns: 0.6fr 1fr; gap: 48px; align-items: flex-start; }
.founder-page__portrait { position: sticky; top: 96px; }
.founder-page__portrait img { border-radius: var(--xls-radius-lg); box-shadow: var(--xls-shadow); }
.founder-chip { display: inline-block; margin-top: 10px; color: var(--xls-primary-dark); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.founder-cv li { margin-bottom: 14px; color: var(--xls-ink-mute); }
.founder-cv strong { color: var(--xls-ink); font-family: 'Playfair Display', serif; font-weight: 600; }
@media (max-width: 880px) { .founder-page__grid { grid-template-columns: 1fr; } .founder-page__portrait { position: static; } }

/* ---------- Stats ---------- */
.stats { padding: 64px 0; background: #fff; }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 980px) { .stats__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .stats__grid { grid-template-columns: 1fr; } }
.stat { padding: 24px; background: var(--xls-bg-alt); border: 1px solid var(--xls-border); border-radius: var(--xls-radius); text-align: center; }
.stat__num { font-family: 'Playfair Display', serif; font-size: 2.4rem; font-weight: 700; color: var(--xls-primary-dark); line-height: 1; margin-bottom: 8px; }
.stat__label { font-size: 0.92rem; color: var(--xls-ink-mute); }

/* ---------- CTA banner ---------- */
.cta-banner {
    margin: 56px 0 80px;
    padding: 42px 48px;
    background: linear-gradient(120deg, var(--xls-primary-dark) 0%, var(--xls-primary) 100%);
    color: #fff;
    border-radius: var(--xls-radius-lg);
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 28px;
    align-items: center;
    box-shadow: var(--xls-shadow-lg);
}
.cta-banner h2 { color: #fff; margin: 0 0 8px; }
.cta-banner p  { color: rgba(255,255,255,0.92); margin: 0; }
.cta-banner__actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
/* Ghost buttons inside a teal CTA banner: white text + white-tinted border.
 * Beats the default .btn--ghost { color: var(--xls-ink) !important } rule
 * via higher specificity, so the inline style="color:#fff" workaround is
 * no longer needed in templates. */
.cta-banner .btn--ghost { color: #fff !important; border-color: rgba(255,255,255,0.45) !important; background: transparent !important; }
.cta-banner .btn--ghost:hover { color: #fff !important; background: rgba(255,255,255,0.12) !important; border-color: rgba(255,255,255,0.7) !important; box-shadow: none; }
@media (max-width: 720px) { .cta-banner { grid-template-columns: 1fr; padding: 28px; } .cta-banner__actions { justify-content: flex-start; } }

/* ---------- Page hero (interior pages) ---------- */
.page-hero { padding: 56px 0 32px; background: linear-gradient(180deg, var(--xls-bg-tint) 0%, #fff 100%); }
.page-hero__lede { font-size: 1.1rem; color: var(--xls-ink-mute); max-width: 72ch; }

/* ---------- Prose ---------- */
.prose { padding: 24px 0 64px; }
.prose h2 { margin-top: 36px; }
.prose h3 { margin-top: 24px; }
.prose ul { color: var(--xls-ink-mute); }
.prose ul li { margin-bottom: 6px; }

/* ---------- Contact + forms ---------- */
.form-section { padding: 24px 0 80px; }
/* Left column (direct channels + "what we respond to fastest") is intentionally
 * narrow and small; the form column on the right gets the visual weight. */
.contact-grid { display: grid; grid-template-columns: minmax(220px, 0.7fr) 1.6fr; gap: 56px; align-items: flex-start; }
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; gap: 32px; } }
.contact-grid__copy h2 { font-size: 1.1rem; margin-bottom: 12px; }
.contact-grid__copy h3 { font-size: 0.92rem; margin: 18px 0 8px; }
.contact-grid__copy ul { font-size: 0.85rem; padding-left: 1em; }
.contact-grid__copy ul li { margin-bottom: 4px; color: var(--xls-ink-mute); }
.contact-list { list-style: none; padding: 0; font-size: 0.88rem; }
.contact-list li { margin-bottom: 10px; color: var(--xls-ink-mute); }
.contact-list strong { color: var(--xls-ink); display: block; font-family: 'Inter', sans-serif; font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 2px; }

.xls-form { background: #fff; border: 1px solid var(--xls-border); border-radius: var(--xls-radius-lg); padding: 28px; box-shadow: var(--xls-shadow-sm); }
.xls-form label { display: block; margin-bottom: 14px; }
.xls-form label span { display: block; font-size: 0.82rem; font-weight: 600; color: var(--xls-ink); margin-bottom: 6px; letter-spacing: 0.02em; }
.xls-form input, .xls-form select, .xls-form textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--xls-border);
    border-radius: var(--xls-radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--xls-ink);
    background: #fff;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.xls-form input:focus, .xls-form select:focus, .xls-form textarea:focus {
    border-color: var(--xls-primary);
    box-shadow: 0 0 0 3px rgba(10,186,181,0.18);
    outline: none;
}
.xls-form textarea { resize: vertical; min-height: 120px; }
.xls-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .xls-form__row { grid-template-columns: 1fr; } }
.xls-form__mini { font-size: 0.8rem; color: var(--xls-ink-soft); margin-top: 10px; }
.xls-form .btn { margin-top: 6px; }

.alert { padding: 14px 18px; border-radius: var(--xls-radius); margin-bottom: 20px; font-size: 0.95rem; }
.alert--ok  { background: #ecfdf5; color: #065f46; border: 1px solid #6ee7b7; }
.alert--err { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* ---------- Footer ---------- */
.site-footer { background: #0f172a; color: #ffffff; padding: 56px 0 28px; margin-top: 0; }
.site-footer h4 { color: #fff; margin-bottom: 14px; }
.site-footer a { color: #ffffff; }
.site-footer a:hover { color: var(--xls-primary-soft); }
.site-footer__grid { display: grid; grid-template-columns: 1.3fr 0.9fr 1.5fr 0.9fr; gap: 36px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,0.10); }
@media (max-width: 1024px) { .site-footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px)  { .site-footer__grid { grid-template-columns: 1fr; } }
.site-footer__tagline { color: #ffffff; max-width: 40ch; font-size: 0.95rem; }
.site-footer__mini { color: rgba(255,255,255,0.70); font-size: 0.82rem; margin-top: 12px; }
.site-footer__col ul { list-style: none; padding: 0; margin: 0; }
.site-footer__col li { margin-bottom: 8px; font-size: 0.92rem; color: #ffffff; }

/* Ecosystem column — product list with subtitle per row. */
.ecosystem-list li { margin-bottom: 12px; }
.ecosystem-list a {
    display: block;
    color: #ffffff;
    line-height: 1.3;
    padding: 6px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: padding-left .15s ease, color .15s ease;
}
.ecosystem-list a:hover { color: var(--xls-primary-soft); padding-left: 4px; }
.ecosystem-list a strong { display: block; font-family: 'Playfair Display', serif; font-weight: 600; font-size: 0.95rem; color: inherit; }
.ecosystem-list a span   { display: block; font-size: 0.78rem; color: rgba(255,255,255,0.65); margin-top: 1px; }
.ecosystem-list a[aria-disabled="true"] { opacity: 0.6; pointer-events: none; }
.site-footer__col--ecosystem { padding-right: 12px; }
.site-footer__legal { display: flex; justify-content: space-between; gap: 18px; padding-top: 20px; color: #ffffff; font-size: 0.8rem; flex-wrap: wrap; }
.site-footer__legal-links { display: flex; gap: 14px; }

/* Footer wordmark — "Clair" in white, "SIHAT" in tiffany teal, on the dark footer. */
.site-footer__wordmark {
    display: inline-flex;
    align-items: flex-start;
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 700;
    font-size: 2.2rem;
    line-height: 1;
    letter-spacing: -0.01em;
    text-decoration: none !important;
    margin-bottom: 6px;
}
.site-footer__wordmark-clair { color: #ffffff; }
.site-footer__wordmark-sihat { color: var(--xls-primary); }
.site-footer__wordmark-tm   { font-family: 'Inter', sans-serif; font-size: 0.6rem; font-weight: 600; color: #ffffff; margin-left: 4px; margin-top: 4px; letter-spacing: 0.04em; }
.site-footer__sublogo {
    color: rgba(255,255,255,0.75);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    margin: 0 0 14px;
}

/* ---------- Post list (journal) ---------- */
.post-list { list-style: none; padding: 0; }
.post-list li { padding: 22px 0; border-bottom: 1px solid var(--xls-border); }
.post-list h3 { margin: 0 0 6px; }

/* =========================================================
 * Lao Shi persona panel (front-page hero right column)
 * Replaces the old ClairSIHAT TV-chassis hero illustration.
 * ===================================================== */
.persona {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 22px;
    padding: 56px 36px;
    background: linear-gradient(140deg, var(--xls-bg-tint) 0%, #ffffff 50%, var(--xls-primary-soft) 100%);
    border-radius: var(--xls-radius-lg);
    box-shadow: var(--xls-shadow);
    min-height: 380px;
}
.persona__mark {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.persona__hanzi {
    font-family: "Playfair Display", Georgia, serif;
    font-weight: 700;
    font-size: clamp(96px, 14vw, 168px);
    line-height: 1;
    color: var(--xls-primary);
    letter-spacing: 0.04em;
    text-shadow: 0 8px 24px rgba(10, 186, 181, 0.18);
}
.persona__name {
    font-weight: 700;
    font-size: 22px;
    color: var(--xls-ink);
    letter-spacing: 0.08em;
}
.persona__pronounce {
    font-size: 13px;
    color: var(--xls-ink-mute);
    font-style: italic;
}
.persona__traits {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    max-width: 360px;
}
.persona__traits li {
    padding: 6px 12px;
    border-radius: 999px;
    background: #ffffff;
    border: 1px solid var(--xls-border);
    box-shadow: var(--xls-shadow-sm);
    font-size: 12px;
    font-weight: 500;
    color: var(--xls-ink-mute);
}

/* =========================================================
 * Pricing grid — 3 cards per row (was auto-fit before).
 * 5 tiers wrap to 2 rows: 3 + 2. Mobile collapses to 1 col.
 * ===================================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.pricing-card__meter {
    margin: 14px 0;
    padding: 12px 14px;
    background: var(--xls-bg-tint);
    border-radius: var(--xls-radius-sm);
    font-size: 13px;
    color: var(--xls-ink-mute);
}
.pricing-card__meter p { margin: 4px 0; }
.pricing-card__price-note {
    font-size: 12px;
    color: var(--xls-ink-soft);
    margin: 4px 0 0 0;
}
.pricing-meter-explained {
    background: var(--xls-bg-alt);
    padding: 48px 0;
}
.pricing-meter-explained__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    margin-top: 24px;
}
.pricing-meter-explained h3 {
    font-size: 16px;
    color: var(--xls-primary);
    margin: 0 0 8px 0;
}
.pricing-references {
    padding: 32px 0;
    background: #ffffff;
    border-top: 1px solid var(--xls-border);
}
.pricing__note {
    margin-top: 32px;
    padding: 16px 20px;
    background: var(--xls-bg-tint);
    border-left: 4px solid var(--xls-primary);
    border-radius: var(--xls-radius-sm);
    font-size: 14px;
    color: var(--xls-ink-mute);
}

@media (max-width: 980px) {
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-meter-explained__grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
    .pricing-grid { grid-template-columns: 1fr; }
    .persona { min-height: 320px; padding: 40px 24px; }
}

/* =========================================================
 * LMS integrations cards (page-lms.php)
 * ===================================================== */
.lms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 24px;
}
.lms-card {
    padding: 24px;
    background: #ffffff;
    border: 1px solid var(--xls-border);
    border-radius: var(--xls-radius);
    box-shadow: var(--xls-shadow-sm);
}
.lms-card h2 { font-size: 22px; margin: 0 0 8px 0; }
.lms-card__tag {
    display: inline-block;
    padding: 4px 10px;
    background: var(--xls-bg-tint);
    color: var(--xls-primary-dark);
    border-radius: 999px;
    font-size: 12px;
    margin-bottom: 12px;
}
.lms-card__guide code {
    background: var(--xls-bg-alt);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
}
.lms-card .muted { color: var(--xls-ink-soft); font-size: 12px; }
.lms-flow {
    padding: 48px 0;
    background: var(--xls-bg-alt);
}
.lms-flow ol {
    margin: 18px 0;
    padding-left: 20px;
    color: var(--xls-ink-mute);
}

/* =========================================================
 * Case studies cards (page-case-studies.php)
 * ===================================================== */
.case-list .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}
.case-card {
    padding: 28px;
    background: #ffffff;
    border: 1px solid var(--xls-border);
    border-radius: var(--xls-radius);
    box-shadow: var(--xls-shadow-sm);
}
.case-card h2 { font-size: 22px; margin: 8px 0 12px 0; }
.case-card a.case-link {
    display: inline-block;
    margin-top: 8px;
    color: var(--xls-primary);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px dotted var(--xls-primary);
}
.case-card__points {
    margin: 12px 0;
    padding-left: 18px;
    color: var(--xls-ink-mute);
}
.case-card__points li { margin: 6px 0; }

/* =========================================================
 * About page — persona grid + XueDao backstory grid
 * ===================================================== */
.about-hero { background: linear-gradient(180deg, var(--xls-bg-tint) 0%, #ffffff 100%); }
.about-persona { padding: 56px 0; background: #ffffff; }
.about-persona__grid {
    display: grid;
    grid-template-columns: minmax(220px, 320px) 1fr;
    gap: 56px;
    align-items: center;
}
.about-persona__mark {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 40px 24px;
    background: linear-gradient(140deg, var(--xls-bg-tint), var(--xls-primary-soft));
    border-radius: var(--xls-radius-lg);
}
.about-persona__hanzi {
    font-family: "Playfair Display", Georgia, serif;
    font-size: clamp(112px, 16vw, 192px);
    line-height: 1;
    color: var(--xls-primary);
    letter-spacing: 0.04em;
    text-shadow: 0 8px 24px rgba(10, 186, 181, 0.18);
}
.about-persona__pinyin { font-size: 18px; color: var(--xls-ink); font-style: italic; }
.about-persona__gloss  { font-size: 12px; color: var(--xls-ink-soft); }
.about-persona__copy h2 { font-size: 32px; margin: 0 0 16px 0; color: var(--xls-ink); }
.about-persona__copy h3 { font-size: 18px; margin: 24px 0 12px 0; color: var(--xls-primary); }
.about-persona__traits { list-style: none; padding: 0; margin: 12px 0; }
.about-persona__traits li {
    padding: 10px 14px;
    margin: 8px 0;
    background: var(--xls-bg-alt);
    border-left: 3px solid var(--xls-primary);
    border-radius: var(--xls-radius-sm);
    font-size: 14px;
    color: var(--xls-ink-mute);
}
.about-persona__traits strong { color: var(--xls-ink); margin-right: 6px; }

.about-xuedao { padding: 56px 0; background: var(--xls-bg-alt); }
.about-xuedao__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 32px 0;
}
.about-xuedao__grid article {
    padding: 24px;
    background: #ffffff;
    border-radius: var(--xls-radius);
    border: 1px solid var(--xls-border);
    box-shadow: var(--xls-shadow-sm);
}
.about-xuedao__grid h3 { color: var(--xls-primary); margin: 0 0 12px 0; }
.about-xuedao__credo {
    margin-top: 24px;
    padding: 20px;
    background: linear-gradient(140deg, var(--xls-primary), var(--xls-primary-dark));
    color: #ffffff;
    border-radius: var(--xls-radius);
    font-size: 15px;
    text-align: center;
    font-weight: 500;
}

/* Mission strip on About + Front (may already exist further up; this
 * is the canonical definition for the Tiffany-Blue era) */
.mission-strip { padding: 28px 0; background: #ffffff; border-top: 1px solid var(--xls-border); border-bottom: 1px solid var(--xls-border); }
.mission-strip__inner { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.mission-strip__items { display: flex; flex-wrap: wrap; gap: 16px; }
.mission-strip__items span {
    padding: 6px 12px;
    background: var(--xls-bg-tint);
    color: var(--xls-primary-dark);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
}

/* Site brand sub-title under wordmark in header */
.site-brand__mark { display: inline-flex; flex-direction: column; align-items: flex-start; gap: 2px; }
.site-brand__sub  { font-size: 11px; color: var(--xls-ink-soft); letter-spacing: 0.1em; font-weight: 500; }

@media (max-width: 880px) {
    .about-persona__grid { grid-template-columns: 1fr; gap: 32px; }
    .about-xuedao__grid { grid-template-columns: 1fr; }
}

/* =========================================================
 * v0.3.0 — footer wordmark (white via CSS filter), pricing
 * border-less + Tiffany Blue hover, case-study single-column.
 * Append-only block; later rules override earlier ones.
 * ===================================================== */

/* Footer wordmark: invert the dark-navy PNG to white so it reads on
 * the dark footer field. The filter trick avoids shipping a second
 * artwork file — same xuedao-wordmark.png drives header + footer. */
.site-footer__wordmark-img {
    display: block;
    height: 48px;
    width: auto;
    max-width: 240px;
    filter: brightness(0) invert(1);
}
.site-footer__brand { max-width: 360px; }
.site-footer__sublogo {
    margin: 10px 0 6px 0;
    font-size: 13px;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.7);
    font-style: italic;
}

/* Pricing cards — borderless default, Tiffany-Blue + white-text on hover.
 * Cards have a soft shadow and a Tiffany-Blue ribbon underline on the
 * featured tier so the visual weight is on the recommendation. */
.pricing-card {
    background: #ffffff;
    border: 0;                 /* was: 1px solid var(--xls-border) */
    border-radius: var(--xls-radius);
    padding: 28px 24px;
    box-shadow: var(--xls-shadow-sm);
    transition: background-color .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease;
    color: var(--xls-ink);
}
.pricing-card:hover {
    background: var(--xls-primary);
    color: #ffffff;
    box-shadow: 0 18px 50px rgba(10, 186, 181, 0.32);
    transform: translateY(-2px);
}
.pricing-card:hover h2,
.pricing-card:hover h3,
.pricing-card:hover p,
.pricing-card:hover li,
.pricing-card:hover strong,
.pricing-card:hover .pricing-card__tag,
.pricing-card:hover .pricing-card__price,
.pricing-card:hover .pricing-card__price-note,
.pricing-card:hover .pricing-card__agents,
.pricing-card:hover .pricing-card__meter,
.pricing-card:hover .pricing-card__meter p {
    color: #ffffff;
}
.pricing-card:hover .pricing-card__meter {
    background: rgba(255, 255, 255, 0.12);
}
/* On Tiffany-Blue hovered card: CTA flips to BLACK background +
 * WHITE text (was white-on-primary, which had near-zero contrast on
 * the same Tiffany-Blue field). On the button-on-button hover, it
 * lightens back to white-on-black for click affordance. */
.pricing-card:hover .btn.btn--primary {
    background: #000000;
    color: #ffffff;
    border-color: #000000;
}
.pricing-card:hover .btn.btn--primary:hover {
    background: #ffffff;
    color: #000000;
    border-color: #ffffff;
}
/* Featured tier — subtle ribbon underline, no longer a different bg */
.pricing-card--feature { box-shadow: 0 12px 36px rgba(10, 186, 181, 0.18); }
.pricing-card--feature::after {
    content: "Recommended";
    display: inline-block;
    margin-top: 12px;
    padding: 3px 10px;
    background: var(--xls-primary);
    color: #ffffff;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.pricing-card--feature:hover::after {
    background: #ffffff;
    color: var(--xls-primary);
}

/* Case studies — single column, full-width cards with an image rail */
.case-list .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
}
.case-card {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 28px;
    align-items: center;
    padding: 0;
    overflow: hidden;
    border: 0;
}
.case-card__media {
    height: 100%;
    min-height: 220px;
    background: linear-gradient(140deg, var(--xls-primary), var(--xls-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
}
.case-card__media svg { width: 70%; height: 70%; max-width: 180px; max-height: 180px; }
.case-card__body { padding: 28px 28px 28px 0; }
.case-card__body h2 { font-size: 24px; margin: 8px 0 12px 0; }
@media (max-width: 760px) {
    .case-card { grid-template-columns: 1fr; }
    .case-card__media { min-height: 160px; }
    .case-card__body { padding: 24px; }
}

/* Site brand mark fix — make sure the header logo isn't clipped by
 * the surrounding flex container; cap explicit width too so very-wide
 * artwork doesn't push the nav off-screen. */
.site-brand__mark img {
    display: block;
    height: 48px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
}

/* =========================================================
 * Founder section (page-about.php)
 * ===================================================== */
.about-founder { padding: 64px 0; background: #ffffff; }
.about-founder__inner {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 56px;
    align-items: start;
}
.about-founder__copy h2 { font-size: 36px; margin: 8px 0 12px 0; }
.about-founder__lede { font-size: 18px; color: var(--xls-primary); margin: 0 0 20px 0; font-weight: 500; }
.about-founder__copy p { font-size: 15px; line-height: 1.7; color: var(--xls-ink-mute); margin: 12px 0; }
.about-founder__quote {
    padding: 20px 24px;
    margin: 24px 0 !important;
    background: var(--xls-bg-tint);
    border-left: 4px solid var(--xls-primary);
    border-radius: var(--xls-radius-sm);
    font-style: italic;
    color: var(--xls-ink);
}
.about-founder__quote span { display: block; margin-top: 10px; font-style: normal; font-size: 13px; color: var(--xls-ink-soft); }

.about-founder__card {
    padding: 28px;
    background: linear-gradient(160deg, var(--xls-bg-tint), #ffffff);
    border-radius: var(--xls-radius);
    box-shadow: var(--xls-shadow);
    text-align: center;
}
.about-founder__photo {
    display: block;
    width: 180px;
    height: 180px;
    margin: 0 auto 18px auto;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #ffffff;
    box-shadow: 0 10px 30px rgba(10, 186, 181, 0.25);
}
.about-founder__photo--placeholder {
    background: linear-gradient(140deg, var(--xls-primary), var(--xls-primary-dark));
    display: flex !important;
    align-items: center;
    justify-content: center;
}
.about-founder__photo--placeholder span {
    color: #ffffff;
    font-family: "Playfair Display", Georgia, serif;
    font-weight: 700;
    font-size: 44px;
    letter-spacing: 0.04em;
}
.about-founder__card h3 { margin: 0 0 6px 0; font-size: 22px; color: var(--xls-ink); }
.about-founder__role  { margin: 4px 0; font-size: 13px; color: var(--xls-ink-mute); }

@media (max-width: 880px) {
    .about-founder__inner { grid-template-columns: 1fr; }
    .about-founder__card { max-width: 360px; margin: 0 auto; }
}

/* ============ DEMO PAGE ============ */
.demo-hero__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }

.demo-step { padding: 64px 0; }
.demo-step--alt { background: #f8fafc; }
.demo-step__head { display: flex; align-items: flex-start; gap: 24px; margin-bottom: 36px; }
.demo-step__num {
    flex-shrink: 0;
    width: 64px; height: 64px;
    background: var(--xls-primary);
    color: #fff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem; font-weight: 800;
    line-height: 1;
}
.demo-step__head h2 { margin: 4px 0 10px; }
.demo-step__head p { color: rgba(15,23,42,0.72); max-width: 60ch; }
.demo-step__paths { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.demo-step__path { background: #fff; border: 1px solid rgba(15,23,42,0.08); border-radius: 14px; padding: 24px; }
.demo-step--alt .demo-step__path { background: #fff; }
.demo-step__path h3 { margin: 0 0 14px; font-size: 1.05rem; }
.demo-step__path ol { margin: 0 0 0 18px; padding: 0; }
.demo-step__path ol li { margin: 0 0 10px; color: rgba(15,23,42,0.82); }
.demo-step__path code { background: rgba(15,23,42,0.05); padding: 2px 6px; border-radius: 4px; font-size: 0.85em; }
.demo-step__hint { margin-top: 14px; font-size: 0.85rem; color: rgba(15,23,42,0.6); }

.demo-key-steps { list-style: none; margin: 0; padding: 0; counter-reset: keystep; display: grid; gap: 16px; }
.demo-key-steps li {
    background: #fff;
    border: 1px solid rgba(15,23,42,0.08);
    border-radius: 14px;
    padding: 20px 24px;
    counter-increment: keystep;
    position: relative;
    padding-left: 72px;
}
.demo-key-steps li::before {
    content: counter(keystep);
    position: absolute;
    left: 20px; top: 20px;
    width: 36px; height: 36px;
    background: rgba(10, 186, 181, 0.12);
    color: var(--xls-primary-dark);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
}
.demo-key-steps h3 { margin: 0 0 6px; font-size: 1rem; }
.demo-key-steps p { margin: 0 0 6px; color: rgba(15,23,42,0.78); }
.demo-key-steps code { background: rgba(15,23,42,0.05); padding: 2px 6px; border-radius: 4px; font-size: 0.85em; }

.demo-agents { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.demo-agent {
    background: #fff;
    border: 1px solid rgba(15,23,42,0.08);
    border-radius: 14px;
    padding: 22px;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.demo-agent:hover { border-color: var(--xls-primary); box-shadow: 0 6px 18px rgba(20,184,166,0.10); }
.demo-agent header { display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; }
.demo-agent__code {
    background: var(--xls-primary);
    color: #fff;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}
.demo-agent header h3 { margin: 0; font-size: 1.05rem; }
.demo-agent p { margin: 0 0 8px; font-size: 0.92rem; color: rgba(15,23,42,0.82); }
.demo-agent code { background: rgba(15,23,42,0.05); padding: 2px 6px; border-radius: 4px; font-size: 0.85em; }
.demo-agent__where strong, .demo-agent__do strong, .demo-agent__expect strong { color: var(--xls-ink); }

.demo-agents__verify {
    margin-top: 28px;
    padding: 18px 22px;
    background: rgba(10, 186, 181, 0.08);
    border-left: 3px solid var(--xls-primary);
    border-radius: 6px;
    color: rgba(15,23,42,0.82);
    font-size: 0.95rem;
}

@media (max-width: 880px) {
    .demo-step__head { flex-direction: column; align-items: flex-start; gap: 12px; }
    .demo-step__num { width: 48px; height: 48px; font-size: 1.4rem; }
    .demo-step__paths { grid-template-columns: 1fr; }
    .demo-agents { grid-template-columns: 1fr; }
    .demo-key-steps li { padding-left: 64px; }
    .demo-key-steps li::before { left: 16px; }
}

@media (max-width: 560px) {
    .site-header__cta .btn--demo { padding: 6px 10px; font-size: 0.76rem; }
    .site-header__cta .btn--demo__icon { font-size: 0.62rem; }
}