/* ============================================================
   PAPYRUS ACM — Production CSS
   Same design system as Converse: Montserrat 800 headings, body from layout.css
   Brand: #6bb8be / #5aa8ae / #1e293b
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@700;800&display=swap");

:root {
    --acm-primary: #6bb8be;
    --acm-primary-dark: #5aa8ae;
    --acm-primary-darker: #4a9da3;
    --acm-primary-light: rgba(107, 184, 190, 0.1);
    --acm-primary-glow: rgba(107, 184, 190, 0.3);
    --acm-navy: #1e293b;
    --acm-navy-deep: #0f172a;
    --acm-text: #2c3e50;
    --acm-text-2: #475569;
    --acm-text-3: #64748b;
    --acm-border: #e2e8f0;
    --acm-bg: #ffffff;
    --acm-bg-alt: #f8f9fa;
    --acm-radius: 10px;
    --acm-ease: cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    [data-aos] { opacity: 1 !important; transform: none !important; transition: none !important; }
}

.contactus, #go_up, .icon-chevron-up, .oh24btn { display: none !important; }

.acm-skip-link {
    position: absolute; top: -100%; left: 16px; z-index: 10000;
    padding: 12px 24px; background: var(--acm-navy); color: #fff;
    border-radius: 0 0 8px 8px; font-weight: 600; transition: top 0.2s ease;
}
.acm-skip-link:focus { top: 0; color: #fff; }


/* ============================================================
   HERO
   ============================================================ */
.acm-hero {
    position: relative; min-height: 560px; display: flex;
    align-items: center; padding: 110px 0 80px; overflow: hidden;
}
.acm-hero__bg {
    position: absolute; inset: 0; z-index: 0;
    background: url('/e15/images/new/vienna.jpg') center/cover no-repeat;
}
.acm-hero__overlay {
    position: absolute; inset: 0; z-index: 1;
    background: linear-gradient(100deg, rgba(15,23,42,0.82) 0%, rgba(30,41,59,0.62) 50%, rgba(30,41,59,0.38) 100%);
}
.acm-hero__content { position: relative; z-index: 2; }
.acm-hero__grid { max-width: 700px; }
.acm-hero__title {
    font-family: 'Montserrat', sans-serif; font-size: 2.8rem;
    font-weight: 800; color: #fff; line-height: 1.15; margin: 0 0 20px;
}
.acm-hero__title-sub {
    display: block; font-size: 2rem !important; font-weight: 700;
    color: var(--acm-primary); margin-top: 8px;
}
.acm-hero__lead {
    color: rgba(255,255,255,0.85); line-height: 1.7;
    margin: 0 0 28px; font-size: 2rem;
}
.acm-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.acm-hero__btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 13px 28px; border-radius: var(--acm-radius);
    font-weight: 600; text-decoration: none !important;
    transition: all 0.3s var(--acm-ease); white-space: nowrap;
}
.acm-hero__btn--primary {
    background: var(--acm-primary); color: #fff !important;
    border: 2px solid var(--acm-primary); box-shadow: 0 4px 20px var(--acm-primary-glow);
}
.acm-hero__btn--primary:hover {
    background: var(--acm-primary-dark); border-color: var(--acm-primary-dark);
    transform: translateY(-2px); box-shadow: 0 8px 28px rgba(107,184,190,0.45); color: #fff !important;
}
.acm-hero__btn--glass {
    background: rgba(255,255,255,0.08); backdrop-filter: blur(14px);
    border: 1.5px solid rgba(255,255,255,0.2); color: rgba(255,255,255,0.9) !important;
}
.acm-hero__btn--glass:hover {
    background: rgba(107,184,190,0.2); border-color: rgba(107,184,190,0.45);
    transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); color: #fff !important;
}
.acm-hero__scroll {
    position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
    z-index: 3; color: rgba(255,255,255,0.5); font-size: 1.4rem; text-decoration: none;
}
.acm-hero__scroll:hover { color: rgba(255,255,255,0.8); }


/* ============================================================
   SECTION NAV
   ============================================================ */
.acm-nav {
    position: sticky; top: 106px; z-index: 100;
    background: var(--acm-bg); border-bottom: 1px solid var(--acm-border);
    transition: top 0.25s ease;
}
.acm-nav__container { display: flex; align-items: center; gap: 12px; }
.acm-nav__track {
    flex: 1; min-width: 0; display: flex; overflow-x: auto;
    scrollbar-width: none; position: relative;
}
.acm-nav__track::-webkit-scrollbar { display: none; }
.acm-nav__link {
    flex-shrink: 0; padding: 16px 24px; font-size: 1.2rem; font-weight: 600;
    color: var(--acm-text-3); text-decoration: none; position: relative;
    transition: color 0.2s ease; white-space: nowrap;
}
.acm-nav__link:hover { color: var(--acm-text); text-decoration: none; }
.acm-nav__link.active { color: var(--acm-text); }
.acm-nav__indicator {
    position: absolute; bottom: 0; height: 3px; background: var(--acm-primary);
    border-radius: 3px 3px 0 0; transition: left 0.35s var(--acm-ease), width 0.35s var(--acm-ease);
    pointer-events: none;
}


/* ============================================================
   SECTIONS
   ============================================================ */
.acm-section { padding: 80px 0; }
.acm-section > .container > p { max-width: 820px; }
.acm-section--alt { background: var(--acm-bg-alt); }
.acm-section__title {
    font-family: 'Montserrat', sans-serif; font-weight: 800;
    color: var(--acm-text); margin: 0 0 16px; letter-spacing: -0.02em;
}
.acm-section__title--light { color: #fff; }
.acm-section__intro { color: var(--acm-text-2); max-width: 820px; margin-bottom: 40px; line-height: 1.75; }

/* Lead paragraph — dominant intro text after section headings */
.acm-lead {
    line-height: 1.75; color: var(--acm-text-2); max-width: 820px;
    margin-bottom: 32px;
}
.acm-section--dark .acm-lead { color: rgba(255,255,255,0.75); }
.acm-section--alt .acm-lead { color: var(--acm-text-2); }


/* ============================================================
   ALT ROWS + FIGURES
   ============================================================ */
.acm-alt-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
    align-items: center; margin-bottom: 56px;
}
.acm-alt-row--reverse .acm-alt-row__media { order: 2; }
.acm-alt-row--reverse .acm-alt-row__text { order: 1; }
.acm-alt-row:last-child { margin-bottom: 0; }

.acm-figure { margin: 0; }
.acm-figure--wide { margin: 0 0 48px; }
.acm-lightbox {
    display: block; position: relative; border-radius: 8px; overflow: hidden;
    background: #f8fafc; box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: transform 0.25s var(--acm-ease), box-shadow 0.25s var(--acm-ease); cursor: zoom-in;
}
.acm-lightbox:hover { transform: scale(1.01); box-shadow: 0 8px 28px rgba(0,0,0,0.1); }
.acm-lightbox img { display: block; width: 100%; }
.acm-figure__zoom {
    position: absolute; top: 12px; right: 12px; width: 32px; height: 32px;
    background: rgba(30,41,59,0.6); backdrop-filter: blur(8px); border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 0.85rem; opacity: 0; transition: opacity 0.2s ease;
}
.acm-lightbox:hover .acm-figure__zoom { opacity: 1; }

/* Transparent figures — no card on desktop */
.acm-figure--transparent .acm-lightbox {
    background: none; box-shadow: none; cursor: default;
}
.acm-figure--transparent .acm-lightbox:hover { transform: none; box-shadow: none; }
.acm-figure--transparent .acm-figure__zoom { display: none; }


/* Embedded figures — not clickable, no card */
.acm-figure--embedded { }
.acm-figure--embedded img { display: block; width: 100%; border-radius: 8px; }
.acm-figure--80 img { max-width: 80%; }


/* ============================================================
   PAPER BANNER (eBook, like Converse)
   ============================================================ */
.acm-paper-banner {
    display: grid; grid-template-columns: 240px 1fr; gap: 32px; align-items: center;
    padding: 32px; background: linear-gradient(135deg, var(--acm-navy-deep), var(--acm-navy));
    border-radius: 16px; margin: 48px 0; overflow: hidden;
}
.acm-paper-banner__preview {
    border-radius: 8px; overflow: hidden; box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    transition: transform 0.3s var(--acm-ease);
}
.acm-paper-banner:hover .acm-paper-banner__preview { transform: scale(1.02); }
.acm-paper-banner__preview a { display: block; }
.acm-paper-banner__preview img { display: block; width: 100%; }
.acm-paper-banner__label {
    display: inline-flex; align-items: center; gap: 6px;
    text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--acm-primary); font-weight: 700; margin-bottom: 8px;
}
.acm-paper-banner__title {
    font-family: 'Montserrat', sans-serif; font-weight: 700; color: #fff; margin: 0 0 8px;
}
.acm-paper-banner__desc { color: rgba(255,255,255,0.6); margin-bottom: 16px; line-height: 1.6; }
.acm-paper-banner__btn {
    display: inline-flex; align-items: center; gap: 8px; padding: 10px 22px;
    background: var(--acm-primary); color: #fff !important; border-radius: 8px;
    font-weight: 600; text-decoration: none !important; transition: all 0.3s ease;
}
.acm-paper-banner__btn:hover {
    background: var(--acm-primary-dark); transform: translateY(-1px);
    box-shadow: 0 4px 16px var(--acm-primary-glow);
}


/* ============================================================
   FEATURE CARDS
   ============================================================ */
.acm-features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 40px; }
.acm-feature {
    display: flex; align-items: flex-start; gap: 16px; padding: 22px 24px;
    background: var(--acm-bg); border: 1px solid var(--acm-border);
    border-radius: var(--acm-radius); transition: transform 0.2s var(--acm-ease), box-shadow 0.2s var(--acm-ease);
}
.acm-feature:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.05); }
.acm-feature__icon {
    flex-shrink: 0; width: 50px; height: 50px; border-radius: 10px;
    background: var(--acm-primary-light); display: flex; align-items: center;
    justify-content: center; color: var(--acm-primary-dark); font-size: 1.35rem;
}
.acm-feature__body h3,
.acm-feature__body h4 {
    font-family: 'Montserrat', sans-serif; font-weight: 700;
    color: var(--acm-text); margin: 0 0 4px; line-height: 1.3;
}
.acm-feature__body p { color: var(--acm-text-3); margin: 0; line-height: 1.55; }


/* ============================================================
   UTA (dark intelligence section)
   ============================================================ */
.acm-section--dark {
    background: linear-gradient(135deg, var(--acm-navy-deep) 0%, var(--acm-navy) 100%);
    padding: 88px 0;
}
.acm-section--dark p { color: rgba(255,255,255,0.7); }

.acm-uta__lead {
    color: var(--acm-primary); font-weight: 600; font-style: italic;
    margin-bottom: 20px;
}

.acm-uta {
    display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
}
.acm-uta__content p { line-height: 1.75; }

.acm-uta__visual {
    display: flex; flex-direction: column; align-items: center; gap: 32px;
}

.acm-uta__orbit-wrap {
    position: relative; width: 280px; height: 260px;
}

.acm-uta__svg {
    position: absolute; inset: 0; width: 100%; height: 100%;
}

.acm-uta__center-icon {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 96px; height: 96px; border-radius: 50%;
    background: linear-gradient(135deg, var(--acm-primary), var(--acm-primary-dark));
    display: flex; align-items: center; justify-content: center;
    font-size: 2.4rem; color: #fff; z-index: 2;
    box-shadow: 0 12px 40px var(--acm-primary-glow);
}

.acm-uta__sat {
    position: absolute; width: 40px; height: 40px; border-radius: 50%;
    background: rgba(255,255,255,0.06); border: 1.5px solid rgba(107,184,190,0.25);
    display: flex; align-items: center; justify-content: center;
    color: var(--acm-primary); font-size: 0.95rem; z-index: 2;
    animation: acmSatGlow 3s ease-in-out infinite;
}
/* 120° spacing on outer orbit: top-center, bottom-left, bottom-right */
.acm-uta__sat--top { top: -4px; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.acm-uta__sat--bl { top: 70%; left: 5%; animation-delay: 1s; }
.acm-uta__sat--br { top: 70%; right: 5%; animation-delay: 2s; }

@keyframes acmSatGlow {
    0%, 100% { border-color: rgba(107,184,190,0.15); background: rgba(255,255,255,0.04); }
    50% { border-color: rgba(107,184,190,0.4); background: rgba(107,184,190,0.08); }
}

.acm-uta__feat-labels {
    display: flex; gap: 10px; flex-wrap: wrap; justify-content: center;
}
.acm-uta__feat-labels span {
    padding: 10px 20px; border-radius: 10px;
    background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.7); font-weight: 600;
}


/* ============================================================
   CHECK LIST — multiple variants for design variety
   ============================================================ */
/* Default: clean left-border */
.acm-check-list { display: flex; flex-direction: column; gap: 16px; }
.acm-check-list__item h4 {
    font-family: 'Montserrat', sans-serif; font-weight: 700;
    color: var(--acm-text); margin: 0 0 6px;
}
.acm-check-list__item p { color: var(--acm-text-3); margin: 0 0 4px; line-height: 1.65; }
.acm-check-list__item {
    padding-left: 20px; border-left: 3px solid var(--acm-primary);
}

/* Numbered steps variant — inline number + heading, compact */
.acm-steps { display: flex; flex-direction: column; gap: 0; }
.acm-step {
    display: flex; gap: 16px; align-items: baseline;
    padding: 20px 0; border-bottom: 1px solid var(--acm-border);
}
.acm-step:first-child { border-top: 1px solid var(--acm-border); }
.acm-step__num {
    flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%;
    background: var(--acm-primary); color: #fff; font-family: 'Montserrat', sans-serif;
    font-weight: 800; font-size: 0.9rem; display: flex; align-items: center;
    justify-content: center; position: relative; top: 2px;
}
.acm-step h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--acm-text); margin: 0 0 4px; display: inline; }
.acm-step__body { flex: 1; }
.acm-step__body h4 { display: block; margin-bottom: 6px; }
.acm-step p { color: var(--acm-text-3); margin: 0; line-height: 1.6; }

/* Pillar cards — colored top border accent */
.acm-pillars { display: flex; flex-direction: column; gap: 20px; }
.acm-pillar {
    padding: 28px 28px 24px; background: var(--acm-bg); border: 1px solid var(--acm-border);
    border-top: 3px solid var(--acm-primary); border-radius: 0 0 var(--acm-radius) var(--acm-radius);
}
.acm-pillar h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--acm-text); margin: 0 0 6px; }
.acm-pillar p { color: var(--acm-text-3); margin: 0 0 4px; line-height: 1.65; }




/* ============================================================
   FAQ — 2 columns
   ============================================================ */
.acm-faq { display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; }
.acm-faq__col { }
.acm-faq__item { border-bottom: 1px solid var(--acm-border); }
.acm-faq__col .acm-faq__item:first-child { border-top: 1px solid var(--acm-border); }
.acm-faq__q {
    display: flex; align-items: center; justify-content: space-between; width: 100%;
    padding: 20px 0; background: none; border: none; cursor: pointer; text-align: left;
    font-family: inherit; font-weight: 700; color: var(--acm-text);
    line-height: 1.4; transition: color 0.2s ease;
}
.acm-faq__q:hover { color: var(--acm-primary-dark); }
.acm-faq__icon { flex-shrink: 0; color: var(--acm-primary); margin-left: 16px; transition: transform 0.3s ease; }
.acm-faq__item.open .acm-faq__icon { transform: rotate(45deg); }
.acm-faq__a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.acm-faq__item.open .acm-faq__a { max-height: 500px; padding-bottom: 20px; }
.acm-faq__a p { color: var(--acm-text-2); margin-bottom: 0; line-height: 1.7; }


/* ============================================================
   RESOURCES
   ============================================================ */
.acm-resources__subtitle {
    font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--acm-text);
    margin-bottom: 24px; display: flex; align-items: center; gap: 8px;
}
.acm-resources__subtitle i { color: var(--acm-primary); }

.acm-videos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 48px; }
.acm-video-card { cursor: pointer; transition: transform 0.2s ease; outline: none; }
.acm-video-card:hover { transform: translateY(-3px); }
.acm-video-card__thumb {
    position: relative; border-radius: 8px; overflow: hidden;
    aspect-ratio: 16/9; background: var(--acm-navy-deep);
}
.acm-video-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.acm-video-card:hover .acm-video-card__thumb img { transform: scale(1.04); }
.acm-video-card__play {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
    width: 44px; height: 44px; border-radius: 50%; background: rgba(107,184,190,0.85);
    color: #fff; display: flex; align-items: center; justify-content: center; font-size: 0.9rem;
}
.acm-video-card__play i { margin-left: 2px; }
.acm-video-card:hover .acm-video-card__play { background: var(--acm-primary-dark); }
.acm-video-card__title { font-weight: 600; color: var(--acm-text); margin: 10px 0 0; line-height: 1.4; }

.acm-papers { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.acm-paper-card {
    display: flex; gap: 16px; padding: 20px; background: var(--acm-bg);
    border: 1px solid var(--acm-border); border-radius: var(--acm-radius);
    text-decoration: none !important; transition: all 0.25s var(--acm-ease); align-items: flex-start;
}
.acm-paper-card:hover { border-color: var(--acm-primary); box-shadow: 0 8px 28px rgba(107,184,190,0.12); transform: translateY(-2px); }
a.acm-paper-card { cursor: pointer; }
div.acm-paper-card { cursor: default; }
.acm-paper-card img { width: 80px; border-radius: 6px; flex-shrink: 0; }
.acm-paper-card__logo { width: 48px !important; border-radius: 4px !important; }
.acm-paper-card__icon {
    flex-shrink: 0; width: 56px; height: 56px; border-radius: 12px;
    background: var(--acm-primary-light); display: flex; align-items: center;
    justify-content: center; color: var(--acm-primary-dark); font-size: 1.3rem;
}
.acm-paper-card__badge {
    display: inline-block; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.06em; color: var(--acm-primary); margin-bottom: 4px;
}
.acm-paper-card h4 { color: var(--acm-text); margin: 0 0 4px; line-height: 1.35; }
.acm-paper-card p { color: var(--acm-text-3); margin: 0 0 6px; }
.acm-paper-card__langs { display: flex; gap: 6px; }
.acm-paper-card__langs a {
    display: inline-block; padding: 3px 10px; background: var(--acm-primary-light);
    color: var(--acm-primary-dark); border-radius: 4px; font-weight: 700;
    text-decoration: none; transition: background 0.2s ease;
}
.acm-paper-card__langs a:hover { background: rgba(107,184,190,0.25); }


/* ============================================================
   CTA
   ============================================================ */
.acm-cta {
    background: linear-gradient(135deg, var(--acm-navy-deep) 0%, #141c2e 50%, var(--acm-navy-deep) 100%);
    padding: 80px 0; text-align: center; position: relative; overflow: hidden;
}
.acm-cta__glow {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
    width: 450px; height: 450px;
    background: radial-gradient(circle, rgba(107,184,190,0.12) 0%, transparent 60%);
    pointer-events: none;
}
.acm-cta__content { position: relative; z-index: 1; }
.acm-cta__icon {
    width: 66px; height: 66px;
    background: linear-gradient(135deg, var(--acm-primary), var(--acm-primary-dark));
    border-radius: 18px; display: flex; align-items: center; justify-content: center;
    margin: 0 auto 22px; box-shadow: 0 8px 32px var(--acm-primary-glow);
    color: #fff; font-size: 1.5rem;
}
.acm-cta h2 { font-family: 'Montserrat', sans-serif; font-weight: 800; color: #fff; margin: 0 0 12px; }
.acm-cta p { color: rgba(255,255,255,0.65); max-width: 560px; margin: 0 auto 30px; line-height: 1.7; }
.acm-cta__actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.acm-cta__btn {
    display: inline-flex; align-items: center; gap: 10px; padding: 15px 30px;
    border-radius: var(--acm-radius); font-weight: 600; text-decoration: none !important;
    transition: all 0.3s var(--acm-ease);
}
.acm-cta__btn--primary {
    background: var(--acm-primary); color: #fff !important; border: 2px solid var(--acm-primary);
    box-shadow: 0 4px 20px var(--acm-primary-glow);
}
.acm-cta__btn--primary:hover {
    background: var(--acm-primary-dark); border-color: var(--acm-primary-dark);
    transform: translateY(-2px); box-shadow: 0 8px 28px rgba(107,184,190,0.45);
}
.acm-cta__btn--outline {
    background: transparent; color: rgba(255,255,255,0.9) !important;
    border: 1.5px solid rgba(255,255,255,0.25);
}
.acm-cta__btn--outline:hover {
    background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.4);
    transform: translateY(-2px); color: #fff !important;
}


/* ============================================================
   MODALS + LIGHTBOX
   ============================================================ */
.acm-modal, .acm-lightbox-overlay {
    position: fixed; inset: 0; z-index: 9999;
    display: flex; align-items: center; justify-content: center; padding: 24px;
}
.acm-modal[hidden], .acm-lightbox-overlay[hidden] { display: none; }
.acm-modal__backdrop, .acm-lightbox-overlay__backdrop {
    position: absolute; inset: 0; background: rgba(0,0,0,0.88); cursor: pointer;
}
.acm-modal__body, .acm-lightbox-overlay__body {
    position: relative; max-width: 960px; width: 100%; z-index: 1;
    display: flex; flex-direction: column; align-items: center;
}
.acm-modal__close, .acm-lightbox-overlay__close {
    position: fixed; top: 20px; right: 20px; background: rgba(0,0,0,0.4);
    backdrop-filter: blur(8px); border: none; border-radius: 50%;
    color: rgba(255,255,255,0.8); font-size: 1.3rem; cursor: pointer;
    width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
    transition: all 0.2s ease; z-index: 10;
}
.acm-modal__close:hover, .acm-lightbox-overlay__close:hover { color: #fff; background: rgba(0,0,0,0.6); }
.acm-modal__player {
    width: 100%; aspect-ratio: 16/9; border-radius: var(--acm-radius); overflow: hidden; background: #000;
}
.acm-modal__player iframe { width: 100%; height: 100%; border: 0; }
.acm-lightbox-overlay__body { max-width: 90vw; max-height: 90vh; }
.acm-lightbox-overlay__img {
    max-width: 90vw; max-height: 85vh; object-fit: contain; border-radius: 6px;
    display: block; margin: 0 auto;
}
.acm-lightbox-overlay__caption {
    text-align: center; color: rgba(255,255,255,0.7); margin-top: 12px;
}


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
    .acm-hero__title { font-size: 2.4rem; }
    .acm-hero__title-sub { font-size: 1.7rem !important; }
    .acm-hero__lead { font-size: 1.6rem; }
    .acm-features { grid-template-columns: 1fr; }
}

@media (max-width: 991px) {
    .acm-hero { min-height: auto; padding: 90px 0 60px; }
    .acm-hero__title { font-size: 2.2rem; }
    .acm-hero__title-sub { font-size: 1.5rem !important; }
    .acm-hero__lead { font-size: 1.4rem; }
    .acm-section { padding: 56px 0; }
    .acm-alt-row { grid-template-columns: 1fr; gap: 24px; }
    .acm-alt-row--reverse .acm-alt-row__media { order: 0; }
    .acm-alt-row--reverse .acm-alt-row__text { order: 0; }
    .acm-uta { grid-template-columns: 1fr; gap: 32px; }
    .acm-uta__orbit-wrap { width: 220px; height: 200px; }
    .acm-uta__center-icon { width: 76px; height: 76px; font-size: 1.9rem; }
    .acm-uta__sat { width: 36px; height: 36px; font-size: 0.85rem; }
    .acm-uta__feat-labels { flex-wrap: wrap; justify-content: center; width: 280px; }
    .acm-paper-banner { grid-template-columns: 180px 1fr; gap: 24px; }
    .acm-videos { grid-template-columns: 1fr; }
    .acm-papers { grid-template-columns: 1fr; }
    .acm-uta__orbit-wrap { width: 180px; height: 165px; }
    .acm-uta__center-icon { width: 64px; height: 64px; font-size: 1.6rem; }
    .acm-uta__sat { width: 30px; height: 30px; font-size: 0.75rem; }
    .acm-uta__feat-labels { gap: 6px; width: 260px; }
    .acm-uta__feat-labels span { padding: 6px 12px; }
    .acm-nav__link { font-size: 1.05rem; padding: 14px 18px; }
}

@media (max-width: 767px) {
    .acm-hero { padding: 70px 0 50px; }
    .acm-hero__title { font-size: 2rem; }
    .acm-hero__title-sub { font-size: 1.35rem !important; }
    .acm-hero__lead { font-size: 1.2rem; }
    .acm-hero__actions { flex-direction: column; }
    .acm-hero__btn { justify-content: center; width: 100%; }
    .acm-nav__link { font-size: 0.95rem; padding: 14px 16px; }
    .acm-section { padding: 44px 0; }
    .acm-faq { grid-template-columns: 1fr; }
    .acm-cta { padding: 56px 0; }
    .acm-cta__actions { flex-direction: column; align-items: center; }
    .acm-cta__btn { width: 100%; max-width: 320px; justify-content: center; }
    .acm-paper-banner { grid-template-columns: 1fr; text-align: center; padding: 24px; }
    .acm-paper-banner__preview { max-width: 200px; margin: 0 auto; }
    .acm-papers { grid-template-columns: 1fr; }
    .acm-uta__orbit-wrap { width: 180px; height: 165px; }
    .acm-uta__center-icon { width: 64px; height: 64px; font-size: 1.6rem; }
    .acm-uta__sat { width: 30px; height: 30px; font-size: 0.75rem; }
    .acm-uta__feat-labels { gap: 6px; width: 260px; }
    .acm-uta__feat-labels span { padding: 6px 12px; }
    .acm-uta__icon { width: 80px; height: 80px; font-size: 2rem; }
    .acm-papers { grid-template-columns: 1fr; }
    .acm-uta__orbit-wrap { width: 180px; height: 165px; }
    .acm-uta__center-icon { width: 64px; height: 64px; font-size: 1.6rem; }
    .acm-uta__sat { width: 30px; height: 30px; font-size: 0.75rem; }
    .acm-uta__feat-labels { gap: 6px; width: 260px; }
    .acm-uta__feat-labels span { padding: 6px 12px; }
    .acm-figure--transparent .acm-lightbox { cursor: zoom-in; }
    .acm-figure--transparent .acm-figure__zoom { display: flex; }
}

@media (max-width: 480px) {
    .acm-hero__title { font-size: 1.75rem; }
    .acm-hero__title-sub { font-size: 1.15rem !important; }
    .acm-hero__lead { font-size: 1.05rem; }
    .acm-feature { flex-direction: column; }
    .acm-faq__q { padding: 16px 0; }
}

/* ============================================================
   NEW ELEMENTS (Annemarie rewrite)
   ============================================================ */
/* Six Elements — SVG visual diagram */
.acm-six-visual { margin: 32px auto 40px; max-width: 720px; }
.acm-six-visual__svg { display: block; width: 100%; height: auto; }

.acm-six-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.acm-six-grid__item {
    padding: 24px; background: var(--acm-bg); border: 1px solid var(--acm-border);
    border-radius: var(--acm-radius); text-align: center;
    transition: transform 0.2s var(--acm-ease), box-shadow 0.2s var(--acm-ease);
}
.acm-six-grid__item:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.05); }
.acm-six-grid__icon {
    width: 48px; height: 48px; border-radius: 12px; margin: 0 auto 12px;
    background: var(--acm-primary-light); display: flex; align-items: center;
    justify-content: center; color: var(--acm-primary-dark); font-size: 1.25rem;
}
.acm-six-grid__item h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--acm-text); margin: 0 0 6px; }
.acm-six-grid__item p { color: var(--acm-text-3); margin: 0; line-height: 1.55; }

.acm-quote-block {
    margin-top: 14px; padding: 16px 20px; border-radius: 8px;
    background: rgba(107,184,190,0.06); border-left: 3px solid var(--acm-primary);
}
.acm-quote-block h5 { color: var(--acm-primary); margin: 0 0 6px; font-weight: 700; }
.acm-quote-block p { color: var(--acm-text-2); margin: 0; font-style: italic; line-height: 1.6; }

/* Dark section variant */
.acm-quote-block--dark {
    background: rgba(255,255,255,0.04); border-left-color: var(--acm-primary);
}
.acm-quote-block--dark h5 { color: var(--acm-primary); }
.acm-quote-block--dark p { color: rgba(255,255,255,0.65); }

.acm-statement {
    padding: 24px 32px; margin: 32px 0;
    background: linear-gradient(135deg, var(--acm-navy-deep), var(--acm-navy));
    border-radius: var(--acm-radius); text-align: center;
}
.acm-statement p { color: rgba(255,255,255,0.85); margin: 0; font-weight: 600; line-height: 1.65; }

.acm-best-for { color: var(--acm-primary-dark) !important; font-style: italic; margin-top: 8px !important; }

.acm-config-box {
    padding: 28px 32px; background: rgba(107,184,190,0.04);
    border: 1px solid var(--acm-border); border-radius: var(--acm-radius);
    margin: 32px 0;
}
.acm-config-box h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; margin: 0 0 12px; color: var(--acm-text); }

/* Global: force Montserrat on all h3/h4 inside page sections */
.acm-section h3,
.acm-section h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; }
.acm-section--dark h3,
.acm-section--dark h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; }
.acm-section > .container > h3 { margin-top: 40px; margin-bottom: 16px; }
.acm-section > .container > h4 { margin-top: 24px; }
.acm-bullet-list { padding-left: 20px; color: var(--acm-text-2); line-height: 1.7; }
.acm-bullet-list li { margin-bottom: 6px; }

.acm-check-list--numbered .acm-check-list__item { counter-increment: none; }

@media (max-width: 1100px) {
    .acm-six-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
    .acm-statement { padding: 20px 24px; }
    .acm-config-box { padding: 20px 24px; }
    .acm-six-grid { grid-template-columns: 1fr; }
}

.acm-alt-row__text h3 { margin-top: 0; margin-bottom: 12px; }