/* ================================================================
   QUIA GROUP DESIGN SYSTEM — captures live www.quiagroup.com DNA
   ================================================================ */

:root {
    --qg-purple:        #8a6ad8;       /* primary lavender/purple from hero button + icons */
    --qg-purple-deep:   #6f4fc4;
    --qg-purple-soft:   #b59ce6;
    --qg-purple-tint:   #ece6f7;       /* stats band tint */
    --qg-text:          #1f1f1f;
    --qg-text-soft:     #4a4a4a;
    --qg-bg:            #ffffff;
    --qg-bg-soft:       #fafafa;
    --qg-border:        #e6e6e6;
    --qg-gradient-cta:  linear-gradient(135deg, #ff7aa8 0%, #c2a3ff 100%);
    --qg-gradient-stats: linear-gradient(135deg, #b59ce6 0%, #d4c4f3 100%);
    --qg-radius-sm:     8px;
    --qg-radius:        16px;
    --qg-radius-lg:     28px;
    --qg-radius-pill:   999px;
    --qg-shadow:        0 6px 24px rgba(0,0,0,.06);
    --qg-font:          'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --qg-section-pad:   80px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--qg-font);
    color: var(--qg-text);
    background: var(--qg-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--qg-purple); text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .8; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ============== HEADER ============== */
.qg-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,.96);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--qg-border);
}
.qg-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    max-width: 1400px;
    margin: 0 auto;
}
.qg-logo {
    display: inline-block;
    height: 36px;
}
.qg-logo img { height: 100%; width: auto; }
.qg-nav { display: flex; align-items: center; gap: 32px; }
.qg-nav a {
    color: var(--qg-text);
    font-weight: 500;
    font-size: 15px;
    letter-spacing: .01em;
    position: relative;
}
.qg-nav a:hover, .qg-nav a.current { color: var(--qg-purple); }
.qg-nav .current::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: -22px;
    height: 2px;
    background: var(--qg-purple);
}
.qg-nav-cta {
    background: var(--qg-purple);
    color: #fff !important;
    padding: 10px 22px;
    border-radius: var(--qg-radius-pill);
    font-weight: 600;
}
.qg-nav-cta:hover { background: var(--qg-purple-deep); opacity: 1; }
.qg-hamburger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.qg-hamburger span { display: block; width: 22px; height: 2px; background: var(--qg-text); margin: 5px 0; transition: .3s; }

/* ============== NAV DROPDOWN ============== */
.qg-nav-dropdown { position: relative; }
.qg-nav-dropbtn {
    background: none;
    border: 0;
    padding: 0;
    margin: 0;
    font: inherit;
    color: var(--qg-text);
    font-weight: 500;
    font-size: 15px;
    letter-spacing: .01em;
    cursor: pointer;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    line-height: 1;
}
.qg-nav-dropbtn:hover,
.qg-nav-dropdown:hover .qg-nav-dropbtn,
.qg-nav-dropdown:focus-within .qg-nav-dropbtn { color: var(--qg-purple); }
.qg-nav-caret {
    width: 0; height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    transition: transform .2s;
}
.qg-nav-dropdown:hover .qg-nav-caret,
.qg-nav-dropdown:focus-within .qg-nav-caret,
.qg-nav-dropdown.open-on-this-page .qg-nav-caret { transform: rotate(180deg); }

.qg-nav-dropmenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 220px;
    background: #fff;
    border: 1px solid var(--qg-border);
    border-radius: var(--qg-radius);
    box-shadow: 0 12px 32px rgba(42, 22, 78, .12);
    padding: 8px;
    z-index: 110;
    margin-top: 8px;
}
.qg-nav-dropmenu::before {
    content: '';
    position: absolute;
    left: 0; right: 0;
    top: -16px;
    height: 16px;
}
.qg-nav-dropdown:hover .qg-nav-dropmenu,
.qg-nav-dropdown:focus-within .qg-nav-dropmenu,
.qg-nav-dropdown.open-on-this-page .qg-nav-dropmenu { display: block; }

.qg-nav-dropmenu a {
    display: block;
    padding: 10px 14px;
    border-radius: var(--qg-radius-sm);
    color: var(--qg-text);
    white-space: nowrap;
}
.qg-nav-dropmenu a:hover { background: var(--qg-purple-tint); color: var(--qg-purple); opacity: 1; }
.qg-nav-dropmenu a.current { color: var(--qg-purple); background: var(--qg-purple-tint); }
.qg-nav-dropmenu a.current::after { content: none; }

/* When sitting under the current page, give the trigger the same underline treatment as .current */
.qg-nav-dropdown.open-on-this-page .qg-nav-dropbtn { color: var(--qg-purple); }
.qg-nav-dropdown.open-on-this-page .qg-nav-dropbtn::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: -22px;
    height: 2px;
    background: var(--qg-purple);
}

@media (max-width: 900px) {
    /* Mobile navigation: compact panel with clear tap targets */
    .qg-nav { display: none; position: absolute; top: 100%; left: 12px; right: 12px; background: #fff; flex-direction: column; align-items: stretch; padding: 12px; gap: 4px; border: 1px solid var(--qg-border); border-radius: 14px; box-shadow: 0 14px 36px rgba(42, 22, 78, .16); }
    .qg-nav.open { display: flex; }
    .qg-nav > a, .qg-nav-dropdown > .qg-nav-dropbtn { display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 44px; padding: 10px 12px; border-radius: 8px; font-size: 16px; }
    .qg-nav > a:hover, .qg-nav-dropdown > .qg-nav-dropbtn:hover { background: var(--qg-purple-tint); }
    .qg-nav .current::after, .qg-nav-dropdown.open-on-this-page .qg-nav-dropbtn::after { display: none; }
    .qg-nav-cta { justify-content: center !important; margin-top: 6px; color: #fff !important; }
    .qg-hamburger { display: block; width: 44px; height: 44px; padding: 9px; border-radius: 8px; }
    .qg-hamburger:hover, .qg-hamburger:focus-visible { background: var(--qg-purple-tint); }

    /* Mobile: dropdown stays inline and opens only when About is tapped/focused */
    .qg-nav-dropdown { width: 100%; }
    .qg-nav-dropdown .qg-nav-dropbtn { padding: 10px 12px; font-size: 16px; }
    .qg-nav-dropmenu { position: static; transform: none; box-shadow: none; border: 0; border-radius: 0; padding: 4px 0 4px 12px; min-width: 0; margin-top: 0; background: transparent; display: none; }
    .qg-nav-dropmenu::before { display: none; }
    .qg-nav-dropdown:hover .qg-nav-dropmenu, .qg-nav-dropdown:focus-within .qg-nav-dropmenu { display: none; }
    .qg-nav-dropdown.is-open .qg-nav-dropmenu { display: block; }
    .qg-nav-dropmenu a { display: flex; align-items: center; min-height: 42px; padding: 8px 14px; font-size: 15px; border-left: 2px solid var(--qg-purple-soft); border-radius: 0 8px 8px 0; }
    .qg-nav-dropdown.is-open .qg-nav-caret { transform: rotate(180deg); }
}

/* ============== HERO ============== */
.qg-hero {
    position: relative;
    min-height: 80vh;
    background: #9170dd;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.qg-hero-starburst {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(87, 52, 154, .18), rgba(87, 52, 154, .28)),
        url('../assets/quia-purple-starburst-hero.png') center 64% / cover no-repeat;
    z-index: 1;
}
.qg-hero-overlay {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    padding: 100px 24px;
    max-width: 980px;
}
.qg-hero-overlay h1 {
    font-size: clamp(38px, 6vw, 72px);
    font-weight: 700;
    margin: 0 0 20px;
    line-height: 1.08;
    letter-spacing: -.02em;
    color: #fff;
    text-shadow: 0 3px 18px rgba(42, 22, 78, .45);
}
.qg-hero-overlay p {
    font-size: clamp(17px, 2vw, 22px);
    line-height: 1.65;
    margin: 0 0 32px;
    color: #fff;
    text-shadow: 0 2px 12px rgba(42, 22, 78, .5);
}
.qg-hero .qg-btn-primary {
    background: rgba(53, 28, 99, .28);
    border: 2px solid #fff;
    border-radius: 3px;
    box-shadow: none;
}
.qg-hero .qg-btn-primary:hover {
    background: var(--qg-purple-deep);
}

/* ============== BUTTONS ============== */
.qg-btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--qg-radius-pill);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: .08em;
    text-transform: uppercase;
    border: 0;
    cursor: pointer;
    transition: all .25s;
    text-decoration: none;
    font-family: inherit;
}
.qg-btn-primary {
    background: var(--qg-purple);
    color: #fff !important;
    box-shadow: 0 4px 14px rgba(138, 106, 216, .35);
}
.qg-btn-primary:hover { background: var(--qg-purple-deep); transform: translateY(-1px); opacity: 1; }
.qg-btn-outline {
    background: transparent;
    color: var(--qg-purple) !important;
    border: 2px solid var(--qg-purple);
}
.qg-btn-outline:hover { background: var(--qg-purple); color: #fff !important; opacity: 1; }

/* ============== SECTION HEADINGS ============== */
.qg-section { padding: var(--qg-section-pad) 0; }
.qg-section-tight { padding: 48px 0; }
.qg-eyebrow {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .25em;
    text-transform: uppercase;
    color: var(--qg-purple);
    margin: 0 0 12px;
}
.qg-h2 {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 700;
    color: var(--qg-text);
    margin: 0 0 24px;
    line-height: 1.15;
    letter-spacing: -.01em;
}
.qg-h3 {
    font-size: clamp(20px, 2.5vw, 26px);
    font-weight: 600;
    margin: 0 0 12px;
}
.qg-lead {
    font-size: 18px;
    color: var(--qg-text-soft);
    margin: 0 0 24px;
    line-height: 1.7;
}

/* ============== ABOUT (Homepage) ============== */
.qg-about-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 60px;
    align-items: center;
}
.qg-about-logo-tile {
    background: #f5f3f8;
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
}
.qg-about-logo-tile img { max-width: 60%; }
@media (max-width: 800px) { .qg-about-grid { grid-template-columns: 1fr; gap: 32px; } }

/* ============== STATS ============== */
.qg-stats {
    background: var(--qg-gradient-stats);
    padding: 50px 0;
    color: #fff;
}
.qg-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: center;
}
.qg-stat-num {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    line-height: 1;
    display: block;
}
.qg-stat-label {
    font-size: 14px;
    margin-top: 8px;
    opacity: .95;
    letter-spacing: .04em;
}
@media (max-width: 700px) { .qg-stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 20px; } }

/* High-contrast buttons for patent records and the full clinical paper */
.qg-pat-actions .qg-btn {
    background: #d62828 !important;
    border-color: #d62828 !important;
    color: #fff !important;
    box-shadow: 0 8px 24px rgba(214, 40, 40, .38);
}
.qg-pat-actions .qg-btn:hover,
.qg-pat-actions .qg-btn:focus-visible {
    background: #a91515 !important;
    border-color: #a91515 !important;
    color: #fff !important;
}

/* ============== SERVICES GRID ============== */
.qg-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px 30px;
    margin-top: 50px;
}
.qg-service-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--qg-bg);
    border-radius: var(--qg-radius);
    transition: all .3s;
    border: 1px solid transparent;
}
.qg-service-card:hover { box-shadow: var(--qg-shadow); border-color: var(--qg-border); transform: translateY(-4px); }
.qg-service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    color: var(--qg-purple);
}
.qg-service-icon svg { width: 100%; height: 100%; }
.qg-service-card h3 {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--qg-text);
    margin: 0 0 12px;
}
.qg-service-card p {
    font-size: 14px;
    color: var(--qg-text-soft);
    margin: 0;
    line-height: 1.5;
}
.qg-service-card .qg-learn-more {
    display: inline-block;
    margin-top: 14px;
    font-size: 13px;
    color: var(--qg-purple);
    font-weight: 600;
}
@media (max-width: 900px) { .qg-services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .qg-services-grid { grid-template-columns: 1fr; } }

/* ============== WHY CHOOSE ============== */
.qg-why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}
.qg-why-card {
    padding: 30px;
    background: var(--qg-bg-soft);
    border-radius: var(--qg-radius);
    border-left: 4px solid var(--qg-purple);
}
.qg-why-card h3 { font-size: 19px; margin: 0 0 8px; color: var(--qg-text); }
.qg-why-card p { margin: 0; color: var(--qg-text-soft); font-size: 15px; line-height: 1.6; }
@media (max-width: 700px) { .qg-why-grid { grid-template-columns: 1fr; } }

/* ============== MEET CHEMIST ============== */
.qg-meet-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.qg-meet-card {
    background: #fff;
    padding: 50px;
    border-radius: var(--qg-radius);
    box-shadow: var(--qg-shadow);
}
.qg-meet-card .qg-eyebrow { color: var(--qg-purple); font-weight: 600; }
.qg-meet-card h2 { font-size: 36px; margin: 0 0 8px; color: var(--qg-text); }
.qg-meet-card .qg-subtitle {
    font-size: 16px;
    color: var(--qg-text-soft);
    margin: 0 0 20px;
    font-weight: 500;
}
.qg-meet-photo {
    border-radius: var(--qg-radius);
    overflow: hidden;
    aspect-ratio: 3/4;
    background: #eee;
}
.qg-meet-photo img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 800px) { .qg-meet-grid { grid-template-columns: 1fr; gap: 30px; } .qg-meet-card { padding: 32px; } }

/* ============== CTA BAND ============== */
.qg-cta-band {
    background: var(--qg-gradient-cta);
    color: #fff;
    padding: 80px 24px;
    text-align: center;
}
.qg-cta-band h2 {
    color: #fff;
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 700;
    margin: 0 0 12px;
    text-transform: uppercase;
    letter-spacing: .02em;
}
.qg-cta-band p { font-size: 17px; opacity: .95; margin: 0 0 28px; }
.qg-cta-band .qg-btn {
    background: #fff;
    color: var(--qg-purple) !important;
}
.qg-cta-band .qg-btn:hover { background: var(--qg-bg-soft); }

/* ============== FOOTER ============== */
.qg-footer {
    background: #fff;
    border-top: 1px solid var(--qg-border);
    padding: 60px 0 30px;
    position: relative;
    overflow: hidden;
}
.qg-footer::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(45deg, transparent 0 24px, rgba(0,0,0,.02) 24px 25px);
    pointer-events: none;
}
.qg-footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 60px;
    position: relative;
}
.qg-footer-col h4 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: .15em;
    margin: 0 0 18px;
    color: var(--qg-text);
    font-weight: 700;
}
.qg-footer-col p, .qg-footer-col a {
    color: var(--qg-text-soft);
    font-size: 14px;
    line-height: 1.7;
}
.qg-footer-col ul { list-style: none; padding: 0; margin: 0; }
.qg-footer-col li { margin-bottom: 10px; }
.qg-footer-col a:hover { color: var(--qg-purple); opacity: 1; }
.qg-footer-bottom {
    margin-top: 50px;
    padding-top: 24px;
    border-top: 1px solid var(--qg-border);
    text-align: center;
    font-size: 13px;
    color: var(--qg-text-soft);
    position: relative;
}
.qg-footer-bottom a { color: var(--qg-purple); }
.qg-footer .qg-footer-logo { height: 40px; margin-bottom: 18px; }
@media (max-width: 700px) {
    .qg-footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ============== PAGE HERO (subpages) ============== */
.qg-page-hero {
    position: relative;
    padding: 100px 24px 70px;
    text-align: center;
    background: #9170dd;
    overflow: hidden;
    color: #fff;
}
.qg-page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(87, 52, 154, .18), rgba(87, 52, 154, .28)),
        url('../assets/quia-purple-starburst-hero.png') center 64% / cover no-repeat;
    z-index: 0;
}
.qg-page-hero > .container {
    position: relative;
    z-index: 1;
}
.qg-page-hero .qg-eyebrow {
    color: #fff;
    opacity: .85;
}
.qg-page-hero h1 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    margin: 0 0 16px;
    color: #fff;
    letter-spacing: -.01em;
    text-shadow: 0 3px 18px rgba(42, 22, 78, .45);
}
.qg-page-hero p {
    font-size: 18px;
    color: #fff;
    opacity: .96;
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.7;
    text-shadow: 0 2px 12px rgba(42, 22, 78, .5);
}

/* ============== SERVICE DETAIL BLOCK ============== */
.qg-service-detail {
    padding: 80px 0;
    border-bottom: 1px solid var(--qg-border);
}
.qg-service-detail:nth-child(even) .qg-service-detail-grid { direction: rtl; }
.qg-service-detail:nth-child(even) .qg-service-detail-grid > * { direction: ltr; }
.qg-service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 60px;
    align-items: center;
}
.qg-service-detail-icon {
    width: 100%;
    max-width: 220px;
    aspect-ratio: 1;
    background: var(--qg-bg-soft);
    border-radius: var(--qg-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--qg-purple);
    margin: 0 auto;
}
.qg-service-detail-icon svg { width: 60%; height: 60%; }
.qg-service-detail h2 { font-size: 32px; margin: 0 0 16px; color: var(--qg-text); }
.qg-service-detail p { font-size: 16px; color: var(--qg-text-soft); line-height: 1.7; margin: 0 0 14px; }
.qg-service-detail strong { color: var(--qg-text); }
@media (max-width: 800px) { .qg-service-detail-grid { grid-template-columns: 1fr; } }

/* ============== FAQ ============== */
.qg-faq-item {
    border-bottom: 1px solid var(--qg-border);
    padding: 22px 0;
}
.qg-faq-q {
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--qg-text);
    font-size: 17px;
}
.qg-faq-q::after { content: '+'; font-size: 24px; color: var(--qg-purple); transition: .2s; }
.qg-faq-item.open .qg-faq-q::after { transform: rotate(45deg); }
.qg-faq-a {
    display: none;
    padding-top: 14px;
    color: var(--qg-text-soft);
    line-height: 1.7;
}
.qg-faq-item.open .qg-faq-a { display: block; }

/* ============== CONTACT ============== */
.qg-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 40px;
}
.qg-form .qg-field { margin-bottom: 18px; }
.qg-form label { display: block; font-weight: 500; font-size: 14px; margin-bottom: 6px; color: var(--qg-text); }
.qg-form input, .qg-form select, .qg-form textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--qg-border);
    border-radius: var(--qg-radius-sm);
    font-family: inherit;
    font-size: 15px;
    background: #fff;
    transition: border-color .2s;
}
.qg-form input:focus, .qg-form select:focus, .qg-form textarea:focus {
    outline: none;
    border-color: var(--qg-purple);
    box-shadow: 0 0 0 3px rgba(138, 106, 216, .15);
}
.qg-form textarea { resize: vertical; min-height: 120px; }
.qg-form .qg-consent { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--qg-text-soft); }
.qg-form .qg-consent input { width: auto; margin-top: 4px; }
.qg-nap-block { padding: 30px; background: var(--qg-bg-soft); border-radius: var(--qg-radius); }
.qg-nap-block h3 { margin: 0 0 14px; color: var(--qg-text); font-size: 20px; }
.qg-nap-block p { margin: 0 0 10px; color: var(--qg-text-soft); line-height: 1.7; }
.qg-nap-block a { color: var(--qg-purple); font-weight: 500; }
@media (max-width: 800px) { .qg-contact-grid { grid-template-columns: 1fr; } }

/* ============== PRIVACY ============== */
.qg-prose { max-width: 760px; margin: 0 auto; }
.qg-prose h2 { font-size: 26px; margin: 36px 0 14px; color: var(--qg-text); }
.qg-prose p { font-size: 16px; color: var(--qg-text-soft); line-height: 1.7; margin: 0 0 14px; }

/* ============== ALT HERO FOR SUBPAGES (when no video) ============== */
.qg-text-hero {
    padding: 110px 24px 70px;
    text-align: center;
    background: linear-gradient(180deg, #faf8fd 0%, #ffffff 100%);
    border-bottom: 1px solid var(--qg-border);
}

/* ============== UTILITY ============== */
.qg-skip-link {
    position: absolute; left: -9999px;
    background: var(--qg-purple); color: #fff;
    padding: 12px 20px; z-index: 999;
}
.qg-skip-link:focus { left: 0; top: 0; }
.qg-visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.text-center { text-align: center; }
.mt-4 { margin-top: 32px; }
.mt-6 { margin-top: 48px; }
/* ============== PATENTS & PUBLICATIONS PAGE ============== */
/* Dark dramatic showcase — reuses site's design tokens only.
   Dominant background: qg-purple-deep (#6f4fc4) so the patents feel
   like exhibits under gallery lighting while staying in-palette. */

.qg-pat-hero {
    position: relative;
    overflow: hidden;
    background: #6f4fc4; /* var(--qg-purple-deep) */
    color: #fff;
    padding: 140px 24px 120px;
    text-align: center;
}
.qg-pat-hero-watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 760px;
    max-width: 95vw;
    height: 760px;
    max-height: 95vw;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    opacity: .045;
    z-index: 0;
}
.qg-pat-hero-watermark img { width: 100%; height: auto; }
.qg-pat-hero > .container { position: relative; z-index: 1; }
.qg-pat-eyebrow {
    display: inline-block;
    color: #fff;
    opacity: .85;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    margin: 0 0 18px;
    padding: 6px 14px;
    border: 1px solid rgba(255,255,255,.35);
    border-radius: 999px;
}
.qg-pat-hero h1 {
    color: #fff;
    font-size: clamp(40px, 6vw, 76px);
    font-weight: 700;
    margin: 0 0 18px;
    letter-spacing: -.02em;
    line-height: 1.05;
    text-shadow: 0 4px 24px rgba(20, 8, 50, .45);
}
.qg-pat-lead {
    color: #fff;
    opacity: .92;
    font-size: clamp(17px, 1.8vw, 21px);
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.6;
    text-shadow: 0 2px 12px rgba(20, 8, 50, .4);
}

/* Intro section (sits below the dark hero on the same dark band) */
.qg-pat-intro {
    background: #6f4fc4;
    color: #fff;
    padding: 0 24px 100px;
    text-align: center;
}
.qg-pat-intro .container { max-width: 880px; }
.qg-pat-intro p {
    font-size: 18px;
    line-height: 1.75;
    margin: 0;
    color: rgba(255,255,255,.95);
    text-shadow: 0 1px 8px rgba(20, 8, 50, .25);
}

/* Patent panels list */
.qg-pat-list {
    background: #6f4fc4; /* continue dark band */
    padding: 0 0 100px;
}
.qg-pat-list .container {
    display: flex;
    flex-direction: column;
    gap: 56px;
}

/* Panel — full-width card on a slightly darker tile for contrast */
.qg-pat-panel {
    position: relative;
    background: #5a3eaa; /* purple-deep variant */
    border-radius: 24px;
    padding: 60px 56px;
    color: #fff;
    box-shadow: 0 18px 60px rgba(28, 8, 70, .25);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.08);
    transition: transform .4s ease, box-shadow .4s ease;
}
.qg-pat-panel:hover {
    transform: translateY(-3px);
    box-shadow: 0 26px 80px rgba(28, 8, 70, .35);
}
/* Oversized patent-number watermark (the "dramatic" signature) */
.qg-pat-watermark {
    position: absolute;
    top: 50%;
    right: -40px;
    transform: translateY(-50%);
    font-family: var(--qg-font);
    font-weight: 700;
    font-size: clamp(64px, 11vw, 168px);
    line-height: 1;
    letter-spacing: -.02em;
    color: rgba(255,255,255,.07);
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
    z-index: 0;
}
.qg-pat-panel-even .qg-pat-watermark {
    right: auto;
    left: -40px;
}
.qg-pat-panel-inner {
    position: relative;
    z-index: 1;
    max-width: 780px;
}

.qg-pat-category {
    display: inline-block;
    color: #b59ce6; /* var(--qg-purple-soft) — bright accent on dark */
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    margin: 0 0 14px;
    padding: 5px 12px;
    border: 1px solid rgba(181,156,230,.45);
    border-radius: 999px;
}
.qg-pat-title {
    color: #fff;
    font-size: clamp(26px, 3.4vw, 40px);
    font-weight: 700;
    margin: 0 0 32px;
    line-height: 1.15;
    letter-spacing: -.01em;
}

/* Meta dl */
.qg-pat-meta {
    margin: 0 0 36px;
    display: grid;
    gap: 10px;
}
.qg-pat-meta-row {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 16px;
    align-items: baseline;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.qg-pat-meta-row:last-child { border-bottom: 0; }
.qg-pat-meta dt {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: rgba(255,255,255,.55);
    margin: 0;
}
.qg-pat-meta dd {
    margin: 0;
    font-size: 16px;
    line-height: 1.55;
    color: rgba(255,255,255,.92);
}
.qg-pat-meta strong {
    color: #fff;
    font-weight: 700;
}

/* SUMMARY block — official-text treatment (left accent border) */
.qg-pat-block {
    margin-top: 32px;
    position: relative;
}
.qg-pat-block-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: #b59ce6;
    margin: 0 0 14px;
}
.qg-pat-block-summary {
    border-left: 4px solid #8a6ad8;
    padding: 6px 0 6px 24px;
    margin-top: 24px;
}
.qg-pat-block-summary blockquote {
    margin: 0;
    font-style: italic;
    font-size: 16px;
    line-height: 1.7;
    color: rgba(255,255,255,.88);
    quotes: none;
}

/* SIMPLIFIED EXPLANATION block — visually distinct filled card.
   Differentiated by: filled bg, different border treatment, bold non-italic text.
   Not relying on color alone: the "SIMPLIFIED EXPLANATION" label is clearly distinct from "SUMMARY". */
.qg-pat-block-simplified {
    background: rgba(138,106,216,.18);
    border: 1px solid rgba(181,156,230,.4);
    border-left: 4px solid #b59ce6;
    border-radius: 16px;
    padding: 26px 28px 28px;
}
.qg-pat-block-simplified .qg-pat-block-label { color: #d4c4f3; }
.qg-pat-block-body {
    font-size: 16px;
    line-height: 1.7;
    color: #fff;
    margin: 0;
}
.qg-pat-block-body a {
    color: #d4c4f3;
    text-decoration: underline;
    text-underline-offset: 3px;
}
.qg-pat-block-body a:hover { color: #fff; }

/* Timeline spine between panels */
.qg-pat-timeline {
    position: relative;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}
.qg-pat-timeline-spine {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(255,255,255,.18);
    transform: translateX(-50%);
}
.qg-pat-timeline-year {
    position: relative;
    z-index: 1;
    background: #6f4fc4;
    color: rgba(255,255,255,.75);
    font-weight: 700;
    font-size: 22px;
    letter-spacing: .04em;
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.18);
}

/* Scroll reveal animation */
.qg-pat-panel,
.qg-pat-timeline {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .7s ease, transform .7s ease;
}
.qg-pat-panel.is-visible,
.qg-pat-timeline.is-visible {
    opacity: 1;
    transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
    .qg-pat-panel,
    .qg-pat-timeline {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* Responsive */
@media (max-width: 900px) {
    .qg-pat-hero { padding: 110px 20px 90px; }
    .qg-pat-intro { padding: 0 20px 80px; }
    .qg-pat-list { padding: 0 0 80px; }
    .qg-pat-panel { padding: 44px 28px; border-radius: 18px; }
    .qg-pat-watermark {
        font-size: clamp(48px, 18vw, 96px);
        right: -12px;
    }
    .qg-pat-panel-even .qg-pat-watermark { left: -12px; }
    .qg-pat-meta-row { grid-template-columns: 1fr; gap: 4px; padding-bottom: 12px; }
    .qg-pat-block-summary { padding: 6px 0 6px 18px; }
    .qg-pat-timeline-spine { display: none; }
    .qg-pat-timeline { height: 48px; }
    .qg-pat-timeline-year { font-size: 18px; }
}
@media (max-width: 560px) {
    .qg-pat-hero { padding: 90px 18px 70px; }
    .qg-pat-list .container { gap: 36px; }
    .qg-pat-panel { padding: 36px 22px; }
    .qg-pat-watermark { font-size: 56px; opacity: .06; }
}

/* ============== PATENTS & PUBLICATIONS PAGE ============== */
/* Dark dramatic showcase — reuses site's design tokens only.
   Dominant background: qg-purple-deep (#6f4fc4) so the patents feel
   like exhibits under gallery lighting while staying in-palette. */

.qg-pat-hero {
    position: relative;
    overflow: hidden;
    background: #6f4fc4; /* var(--qg-purple-deep) */
    color: #fff;
    padding: 140px 24px 120px;
    text-align: center;
}
.qg-pat-hero-watermark {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 760px;
    max-width: 95vw;
    height: 760px;
    max-height: 95vw;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    opacity: .045;
    z-index: 0;
}
.qg-pat-hero-watermark img { width: 100%; height: auto; }
.qg-pat-hero > .container { position: relative; z-index: 1; }
.qg-pat-eyebrow {
    display: inline-block;
    color: #fff;
    opacity: .85;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    margin: 0 0 18px;
    padding: 6px 14px;
    border: 1px solid rgba(255,255,255,.35);
    border-radius: 999px;
}
.qg-pat-hero h1 {
    color: #fff;
    font-size: clamp(40px, 6vw, 76px);
    font-weight: 700;
    margin: 0 0 18px;
    letter-spacing: -.02em;
    line-height: 1.05;
    text-shadow: 0 4px 24px rgba(20, 8, 50, .45);
}
.qg-pat-lead {
    color: #fff;
    opacity: .92;
    font-size: clamp(17px, 1.8vw, 21px);
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.6;
    text-shadow: 0 2px 12px rgba(20, 8, 50, .4);
}

/* Intro section (sits below the dark hero on the same dark band) */
.qg-pat-intro {
    background: #6f4fc4;
    color: #fff;
    padding: 0 24px 100px;
    text-align: center;
}
.qg-pat-intro .container { max-width: 880px; }
.qg-pat-intro p {
    font-size: 18px;
    line-height: 1.75;
    margin: 0;
    color: rgba(255,255,255,.95);
    text-shadow: 0 1px 8px rgba(20, 8, 50, .25);
}

/* Patent panels list */
.qg-pat-list {
    background: #6f4fc4; /* continue dark band */
    padding: 0 0 100px;
}
.qg-pat-list .container {
    display: flex;
    flex-direction: column;
    gap: 56px;
}

/* Panel — full-width card on a slightly darker tile for contrast */
.qg-pat-panel {
    position: relative;
    background: #5a3eaa; /* purple-deep variant */
    border-radius: 24px;
    padding: 60px 56px;
    color: #fff;
    box-shadow: 0 18px 60px rgba(28, 8, 70, .25);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.08);
    transition: transform .4s ease, box-shadow .4s ease;
}
.qg-pat-panel:hover {
    transform: translateY(-3px);
    box-shadow: 0 26px 80px rgba(28, 8, 70, .35);
}
/* Oversized patent-number watermark (the "dramatic" signature) */
.qg-pat-watermark {
    position: absolute;
    top: 50%;
    right: -40px;
    transform: translateY(-50%);
    font-family: var(--qg-font);
    font-weight: 700;
    font-size: clamp(64px, 11vw, 168px);
    line-height: 1;
    letter-spacing: -.02em;
    color: rgba(255,255,255,.07);
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
    z-index: 0;
}
.qg-pat-panel-even .qg-pat-watermark {
    right: auto;
    left: -40px;
}
.qg-pat-panel-inner {
    position: relative;
    z-index: 1;
    max-width: 780px;
}

.qg-pat-category {
    display: inline-block;
    color: #b59ce6; /* var(--qg-purple-soft) — bright accent on dark */
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    margin: 0 0 14px;
    padding: 5px 12px;
    border: 1px solid rgba(181,156,230,.45);
    border-radius: 999px;
}
.qg-pat-title {
    color: #fff;
    font-size: clamp(26px, 3.4vw, 40px);
    font-weight: 700;
    margin: 0 0 32px;
    line-height: 1.15;
    letter-spacing: -.01em;
}

/* Meta dl */
.qg-pat-meta {
    margin: 0 0 36px;
    display: grid;
    gap: 10px;
}
.qg-pat-meta-row {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 16px;
    align-items: baseline;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.qg-pat-meta-row:last-child { border-bottom: 0; }
.qg-pat-meta dt {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: rgba(255,255,255,.55);
    margin: 0;
}
.qg-pat-meta dd {
    margin: 0;
    font-size: 16px;
    line-height: 1.55;
    color: rgba(255,255,255,.92);
}
.qg-pat-meta strong {
    color: #fff;
    font-weight: 700;
}

/* SUMMARY block — official-text treatment (left accent border) */
.qg-pat-block {
    margin-top: 32px;
    position: relative;
}
.qg-pat-block-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: #b59ce6;
    margin: 0 0 14px;
}
.qg-pat-block-summary {
    border-left: 4px solid #8a6ad8;
    padding: 6px 0 6px 24px;
    margin-top: 24px;
}
.qg-pat-block-summary blockquote {
    margin: 0;
    font-style: italic;
    font-size: 16px;
    line-height: 1.7;
    color: rgba(255,255,255,.88);
    quotes: none;
}

/* SIMPLIFIED EXPLANATION block — visually distinct filled card.
   Differentiated by: filled bg, different border treatment, bold non-italic text.
   Not relying on color alone: the "SIMPLIFIED EXPLANATION" label is clearly distinct from "SUMMARY". */
.qg-pat-block-simplified {
    background: rgba(138,106,216,.18);
    border: 1px solid rgba(181,156,230,.4);
    border-left: 4px solid #b59ce6;
    border-radius: 16px;
    padding: 26px 28px 28px;
}
.qg-pat-block-simplified .qg-pat-block-label { color: #d4c4f3; }
.qg-pat-block-body {
    font-size: 16px;
    line-height: 1.7;
    color: #fff;
    margin: 0;
}
.qg-pat-block-body a {
    color: #d4c4f3;
    text-decoration: underline;
    text-underline-offset: 3px;
}
.qg-pat-block-body a:hover { color: #fff; }

/* Timeline spine between panels */
.qg-pat-timeline {
    position: relative;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}
.qg-pat-timeline-spine {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(255,255,255,.18);
    transform: translateX(-50%);
}
.qg-pat-timeline-year {
    position: relative;
    z-index: 1;
    background: #6f4fc4;
    color: rgba(255,255,255,.75);
    font-weight: 700;
    font-size: 22px;
    letter-spacing: .04em;
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,.18);
}

/* Scroll reveal animation */
.qg-pat-panel,
.qg-pat-timeline {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .7s ease, transform .7s ease;
}
.qg-pat-panel.is-visible,
.qg-pat-timeline.is-visible {
    opacity: 1;
    transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
    .qg-pat-panel,
    .qg-pat-timeline {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* Responsive */
@media (max-width: 900px) {
    .qg-pat-hero { padding: 110px 20px 90px; }
    .qg-pat-intro { padding: 0 20px 80px; }
    .qg-pat-list { padding: 0 0 80px; }
    .qg-pat-panel { padding: 44px 28px; border-radius: 18px; }
    .qg-pat-watermark {
        font-size: clamp(48px, 18vw, 96px);
        right: -12px;
    }
    .qg-pat-panel-even .qg-pat-watermark { left: -12px; }
    .qg-pat-meta-row { grid-template-columns: 1fr; gap: 4px; padding-bottom: 12px; }
    .qg-pat-block-summary { padding: 6px 0 6px 18px; }
    .qg-pat-timeline-spine { display: none; }
    .qg-pat-timeline { height: 48px; }
    .qg-pat-timeline-year { font-size: 18px; }
}
@media (max-width: 560px) {
    .qg-pat-hero { padding: 90px 18px 70px; }
    .qg-pat-list .container { gap: 36px; }
    .qg-pat-panel { padding: 36px 22px; }
    .qg-pat-watermark { font-size: 56px; opacity: .06; }
}