/* Two concise entry points; each card is one complete, accessible button. */
.aqua-intro{padding:48px 0 52px;scroll-margin-top:28px}
.aqua-intro>h2{margin:0 0 25px;color:#174c5b;font:400 clamp(2.2rem,3.2vw,3rem)/1.12 'Yanone Kaffeesatz',sans-serif}
.aqua-intro-cards{display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:stretch}
.aqua-intro-card{display:flex;min-width:0;margin:0}
.aqua-intro-trigger{position:relative;display:flex;flex-direction:column;align-items:flex-start;width:100%;height:100%;min-width:0;margin:0;padding:27px 31px 24px;text-align:left;border:1px solid #bcd4d6;border-radius:20px 22px 19px 21px;background:linear-gradient(135deg,#ffffffeb,#edf6f3c9);box-shadow:0 8px 27px #174c5b08;color:#174c5b;backdrop-filter:blur(12px);cursor:pointer;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.aqua-intro-card:nth-child(2) .aqua-intro-trigger{border-radius:22px 19px 21px 20px;background:linear-gradient(135deg,#f9fdfbe8,#dfeeedbd)}
.aqua-intro-symbol{width:46px;height:46px;flex:0 0 46px;margin:0 0 16px;color:#258092}
.aqua-intro-card-title{display:block;font:400 32px/1.12 'Yanone Kaffeesatz',sans-serif;margin:0 0 14px;color:#174c5b}
.aqua-intro-card-description{display:block;font:400 15px/1.75 'Noto Sans',sans-serif;margin:0 0 22px;max-width:52ch;color:#355d67}
.aqua-intro-read{display:inline-flex;align-items:center;gap:24px;min-height:32px;margin-top:auto;color:#176c7f;font:500 13px/1.6 'Noto Sans',sans-serif;text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px}
.aqua-intro-read>span{font-size:18px;transition:transform .2s ease}
.aqua-intro-trigger:focus-visible{outline:2px solid #ad7048;outline-offset:5px;border-color:#579dab;box-shadow:0 12px 32px #174c5b10}
.aqua-intro-trigger[aria-expanded="true"]{border-color:#579dab;box-shadow:0 12px 32px #174c5b10}
.hud-panel[data-kind="aqua-intro"]{width:min(500px,calc(100vw - 32px))}
.hud-aqua-intro-copy p{font-size:16px;line-height:1.8}
@media(hover:hover) and (pointer:fine){.aqua-intro-trigger:hover{transform:translateY(-3px);border-color:#579dab;box-shadow:0 13px 33px #174c5b12}.aqua-intro-trigger:hover .aqua-intro-read>span{transform:translate(2px,-2px)}}
@media(max-width:760px){.aqua-intro{padding:35px 0 40px}.aqua-intro-cards{grid-template-columns:1fr;gap:18px}.aqua-intro-trigger{padding:25px 25px 21px}.aqua-intro-card-title{font-size:30px}.aqua-intro-card-description{font-size:15px;margin-bottom:18px}}
@media(prefers-reduced-motion:reduce){.aqua-intro-trigger,.aqua-intro-read>span{transition:none}}
@media print{.aqua-intro-trigger{background:white;box-shadow:none;backdrop-filter:none;break-inside:avoid;transform:none}.aqua-intro-read{display:none}}