/* Decorative artwork belongs to introductions and discovery, outside practice. */
.biology-art-image{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain}
.home-intro{padding:58px 0 54px}
.home-intro-grid{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(30px,4vw,54px);align-items:center}
.home-intro-copy h1{font-size:clamp(2.85rem,5.1vw,4.25rem)}
.home-intro-copy .button-row{margin:26px 0 18px}
.home-resource-links{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:.9rem}
.home-resource-links a{color:var(--forest-deep)}
.biology-home-art,.biology-home-art img{min-height:0!important;background:var(--paper)}
.biology-home-art{border-radius:12px;overflow:hidden}
.biology-home-art img{height:auto;aspect-ratio:3/2;object-fit:contain;object-position:center;filter:none}

/* Quiet paper surrounds the illustrations; the reading column stays legible. */
.biology-art-banner{color:var(--ink);background:var(--paper);border-bottom:1px solid var(--line);padding:42px 0 46px}
.biology-art-banner .art-banner-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:42px;align-items:center}
.biology-art-banner .art-banner-copy{min-width:0}
.biology-art-banner .art-banner-copy h1{color:var(--forest-deep);font-size:clamp(2.2rem,3.9vw,3.45rem);line-height:1.08}
.biology-art-banner .eyebrow{color:var(--forest)}
.biology-art-banner .art-banner-copy .lede{color:var(--ink-soft);font-size:1.1rem;line-height:1.6}
.biology-art-banner .art-banner-copy>p:not(.eyebrow):not(.lede){font-size:1rem;line-height:1.65}
.biology-art-banner .text-link{display:inline-block;margin-top:18px;color:var(--forest-deep)}
.biology-art-banner .text-link:hover{color:var(--plum);text-decoration:underline}
.biology-art-banner .breadcrumb a{color:var(--forest-deep)}
.biology-art-banner .button-row{margin-top:24px;gap:10px}
.biology-art-banner .button-row .button-primary{color:var(--white);background:var(--forest);border-color:var(--forest)}
.biology-art-banner .button-row .button-secondary{color:var(--forest-deep);background:transparent;border-color:var(--forest)}
.biology-art-banner .button-row .button:hover{color:var(--forest-deep);background:var(--mint)}
.art-banner-image{border:1px solid var(--line);border-radius:12px;overflow:hidden;padding:7px;background:var(--white);box-shadow:0 9px 28px rgba(50,42,33,.07)}
.art-banner-image .biology-art-image{border-radius:6px}

/* Matching image cards: intact subjects, readable copy, aligned actions. */
.biology-art-grid .study-card,.biology-process-art-grid .study-card{display:flex;flex-direction:column;padding:20px;border-top:1px solid var(--line);border-radius:12px;box-shadow:none}
.biology-card-art{margin:0 0 22px;border-radius:7px;overflow:hidden;background:var(--paper)}
.biology-art-grid .study-card h2,.biology-process-art-grid .study-card h2{font-size:1.8rem;line-height:1.12}
.biology-art-grid .study-card>.button,.biology-process-art-grid .study-card>.button{margin-top:auto;align-self:flex-start}
.biology-art-grid .study-card>p:not(.eyebrow):not(.study-note),.biology-process-art-grid .study-card>p:not(.eyebrow):not(.study-note){font-size:1rem}

/* Compact topic thumbnails keep long lists browsable. */
.learning-hub-links{display:flex;flex-wrap:wrap;gap:10px 24px;padding-bottom:22px;border-bottom:1px solid var(--line);font-size:.9rem}
.learning-hub-links a{color:var(--forest-deep)}
.learning-index-grid{scroll-margin-top:100px}
.learning-index-card{display:flex;flex-direction:column;padding:24px;min-width:0;border-top:1px solid var(--line);border-radius:10px;box-shadow:none}
.learning-card-heading{min-height:98px;margin-bottom:18px}
.learning-card-heading.has-art{display:grid;grid-template-columns:minmax(0,1fr) 130px;gap:22px;align-items:start}
.learning-card-heading>div{min-width:0}
.learning-index-card .learning-card-heading h2{font-size:1.6rem;line-height:1.16;margin-bottom:0}
.learning-index-card .eyebrow{font-size:.66rem;margin-bottom:10px}
.learning-card-art{overflow:hidden;border-radius:6px;background:var(--paper)}
.learning-index-card>p{font-size:1rem;color:var(--ink-soft);margin-bottom:20px}
.learning-index-card>.button{align-self:flex-start;margin-top:auto;min-height:44px;padding:8px 0;border:0;background:transparent;color:var(--forest-deep);text-decoration:underline;text-underline-offset:.22em;font-size:.9rem}
.learning-index-card>.button:hover{background:transparent;color:var(--plum)}

/* Six study choices introduce the tools from the homepage. */
.home-study-section{padding:66px 0 60px;background:var(--white);scroll-margin-top:96px}
.home-study-heading{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:end;margin-bottom:30px}
.home-study-heading .eyebrow{color:var(--forest);margin-bottom:12px}
.home-study-heading h2{font-size:clamp(2rem,3.4vw,2.8rem);color:var(--forest-deep);margin-bottom:0}
.home-study-heading>p{color:var(--ink-soft);max-width:52ch;margin-bottom:0}
.home-study-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.home-study-card{display:flex;flex-direction:column;min-width:0;padding:16px;border:1px solid var(--line);border-radius:12px;background:#fffdf9;color:var(--ink);text-decoration:none}
.home-study-card:hover{border-color:var(--forest);color:var(--ink);box-shadow:var(--shadow-soft)}
.home-study-art{overflow:hidden;border-radius:7px;background:var(--paper)}
.home-study-copy{display:flex;flex-direction:column;flex:1;padding:20px 5px 6px}
.home-study-copy h3{font:400 1.75rem/1.12 var(--serif);color:var(--forest-deep);margin-bottom:13px}
.home-study-copy p{font-size:.94rem;line-height:1.6;color:var(--ink-soft);margin-bottom:24px}
.home-study-action{margin-top:auto;color:var(--forest-deep);font-size:.9rem;font-weight:700}
.home-study-card:hover .home-study-action{text-decoration:underline;text-underline-offset:.22em}
.home-study-shortcuts{border-top:1px solid var(--line);margin-top:34px;padding-top:24px;font-size:.9rem;color:var(--ink-soft)}
.home-study-shortcuts p{margin-bottom:14px;line-height:1.8}
.home-study-shortcuts nav{display:flex;flex-wrap:wrap;gap:9px 24px}
.home-study-shortcuts a{color:var(--forest-deep)}

@media(min-width:1050px){.biology-art-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.biology-art-grid .study-card h2{font-size:1.65rem}}
@media(max-width:1049px){.home-study-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:980px){.home-intro-grid{grid-template-columns:1fr;gap:32px}.biology-home-art{max-width:700px;width:100%;margin:auto}}
@media(max-width:850px){.biology-art-banner .art-banner-grid{grid-template-columns:1fr;gap:28px}.art-banner-image{max-width:650px;width:100%;margin:auto}.biology-art-banner .art-banner-copy h1{font-size:clamp(2.15rem,6vw,3.35rem)}.home-study-heading{grid-template-columns:1fr;gap:20px}.learning-card-heading.has-art{grid-template-columns:minmax(0,1fr) 105px;gap:16px}.learning-index-card{padding:22px}.learning-index-card .learning-card-heading h2{font-size:1.45rem}}
@media(max-width:600px){.home-intro{padding:38px 0}.home-intro-copy h1{font-size:clamp(2.65rem,11.6vw,3.3rem)}.home-intro-copy .lede{font-size:1.05rem}.home-resource-links{gap:9px 18px}.biology-art-banner{padding:32px 0 36px}.biology-art-banner .art-banner-copy .lede{font-size:1.03rem}.biology-art-banner .art-banner-copy>p:not(.eyebrow):not(.lede){font-size:.95rem}.biology-art-banner .button-row{gap:9px}.biology-art-banner .button-row .button{font-size:.84rem;padding:11px 13px;min-height:44px}.art-banner-image{padding:5px}.biology-art-grid .study-card,.biology-process-art-grid .study-card{padding:16px}.biology-art-grid .study-card h2,.biology-process-art-grid .study-card h2{font-size:1.65rem}.home-study-section{padding:44px 0}.home-study-grid{grid-template-columns:1fr;gap:20px}.home-study-copy h3{font-size:1.8rem}.learning-index-card{padding:20px}.learning-card-heading.has-art{grid-template-columns:minmax(0,1fr) 98px;gap:15px}.learning-index-card .learning-card-heading h2{font-size:1.4rem}.learning-card-heading{min-height:94px}}
@media print{.biology-art-image,.biology-card-art,.art-banner-image,.biology-home-art,.learning-card-art,.home-study-art{display:none!important}.biology-art-banner{background:white;color:black;border:0}.biology-art-banner .art-banner-grid,.learning-card-heading.has-art{display:block}.biology-art-banner .art-banner-copy h1{font-size:22pt;color:black}.home-study-grid{display:block}.home-study-card{break-inside:avoid;box-shadow:none}}