/* CSU Hebertsfelden - oeffentliche Seiten */
:root {
  --primary: #0080c8; --primary-dark: #00649c; --primary-light: #e6f3fb;
  --accent: #a2c516; --accent-dark: #86a30f; --accent-light: #f3f8e0;
  --ink: #1b2430; --muted: #5d6b7a; --line: #e3e8ee; --bg: #ffffff; --bg-alt: #f5f8fb;
  --radius: 14px; --shadow: 0 10px 30px rgba(0, 60, 110, .10);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 800; color: var(--primary-dark); }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }
.wrap { width: min(1140px, 100% - 2rem); margin-inline: auto; }
.wrap.narrow { width: min(780px, 100% - 2rem); }
.muted { color: var(--muted); }
.mt { margin-top: 3rem; }
.skip { position: absolute; left: -999px; top: 0; background: var(--accent); color: #000; padding: .5rem 1rem; z-index: 100; }
.skip:focus { left: 1rem; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,.06); }
.header-row { display: flex; align-items: center; justify-content: space-between; padding: .6rem 0; }
.brand img { height: 56px; width: auto; }
.burger { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; padding: 10px; }
.burger span { display: block; height: 3px; background: var(--primary); margin: 5px 0; border-radius: 2px; transition: .25s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
.nav { background: var(--primary); }
.nav-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; }
.nav-list > li { position: relative; }
.nav-list a { display: block; color: #fff; text-decoration: none; padding: .85rem 1.1rem; font-weight: 600; font-size: .98rem; position: relative; }
.nav-list > li > a::after { content: ""; position: absolute; left: 1.1rem; right: 1.1rem; bottom: .45rem; height: 3px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .25s; border-radius: 2px; }
.nav-list > li > a:hover::after, .nav-list > li > a.active::after { transform: scaleX(1); }
.sub { list-style: none; margin: 0; padding: .4rem 0; position: absolute; top: 100%; left: 0; background: #fff; min-width: 220px; border-radius: 0 0 var(--radius) var(--radius); box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(6px); transition: .2s; }
.has-sub:hover .sub, .has-sub:focus-within .sub { opacity: 1; visibility: visible; transform: none; }
.sub a { color: var(--ink); padding: .55rem 1.1rem; font-weight: 500; }
.sub a:hover { background: var(--primary-light); color: var(--primary-dark); }
@media (max-width: 860px) {
  .burger { display: block; }
  .nav { display: none; }
  .nav.open { display: block; }
  .nav-list { flex-direction: column; padding: .4rem 0; }
  .sub { position: static; opacity: 1; visibility: visible; transform: none; background: var(--primary-dark); box-shadow: none; border-radius: 0; padding: 0 0 .4rem; }
  .sub a { color: #fff; padding-left: 2.2rem; }
  .nav-list > li > a::after { display: none; }
}

/* Hero */
.hero { position: relative; overflow: hidden; color: #fff; background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, #22a0e0 100%); padding: clamp(3.5rem, 10vw, 7rem) 0; }
.hero-inner { position: relative; z-index: 1; max-width: 720px; }
.hero-shapes .diamond { position: absolute; width: 260px; height: 260px; background: rgba(255,255,255,.08); transform: rotate(45deg); border-radius: 30px; }
.diamond.d1 { right: -60px; top: -80px; background: rgba(162,197,22,.35); }
.diamond.d2 { right: 180px; bottom: -140px; }
.diamond.d3 { left: -120px; bottom: -200px; width: 360px; height: 360px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .8rem; font-weight: 700; color: var(--accent); margin-bottom: .8rem; }
.eyebrow-dark { text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 700; color: var(--muted); }
.hero-title { font-size: clamp(2.4rem, 7vw, 4.4rem); margin-bottom: .4em; }
.hero-text { font-size: 1.2rem; max-width: 58ch; opacity: .95; }
.hero-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.6rem; }
.word { display: inline-block; white-space: pre; }

/* Buttons */
.btn { display: inline-block; padding: .75rem 1.4rem; border-radius: 999px; font-weight: 700; text-decoration: none; border: 2px solid transparent; cursor: pointer; font-size: .98rem; transition: transform .15s, box-shadow .15s, background .15s; font-family: inherit; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,.12); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-accent { background: var(--accent); color: #1b2430; }
.btn-accent:hover { background: var(--accent-dark); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.7); }
.btn-ghost:hover { background: rgba(255,255,255,.12); }
.btn-ghost-dark { background: transparent; color: var(--primary-dark); border-color: var(--primary); }

/* Sections */
.section { padding: clamp(2.5rem, 6vw, 4.5rem) 0; }
.section-alt { background: var(--bg-alt); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.more { font-weight: 700; text-decoration: none; }
.more::after { content: " →"; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
@media (max-width: 760px) { .grid-2 { grid-template-columns: 1fr; } }
.page-head { background: var(--primary-light); padding: clamp(2rem, 5vw, 3.5rem) 0 2rem; border-bottom: 4px solid var(--accent); }
.page-head h1 { color: var(--primary-dark); }
.page-head p { font-size: 1.1rem; color: var(--muted); max-width: 60ch; margin: 0; }
.tabs { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1rem; }
.tabs a { text-decoration: none; padding: .5rem 1rem; border-radius: 999px; background: #fff; color: var(--primary-dark); font-weight: 600; border: 1px solid var(--line); }
.tabs a.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 1.6rem; }
.card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,.05); border: 1px solid var(--line); display: flex; flex-direction: column; transition: transform .2s, box-shadow .2s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card-img { display: block; aspect-ratio: 16/9; overflow: hidden; background: var(--primary-light); }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.card:hover .card-img img { transform: scale(1.04); }
.card-placeholder { display: block; height: 100%; background: linear-gradient(135deg, var(--primary-light), #cfe7f6); }
.card-body { padding: 1.1rem 1.2rem 1.3rem; }
.card-body time { font-size: .82rem; color: var(--accent-dark); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.card-body h3 a { color: var(--ink); text-decoration: none; }
.card-body h3 a:hover { color: var(--primary); }
.card-body p { color: var(--muted); margin: 0; font-size: .95rem; }

/* Themen */
.topic-list { list-style: none; padding: 0; margin: 0 0 1.5rem; }
.topic-list li { padding: .55rem 0; border-bottom: 1px solid var(--line); }
.topic-list a { text-decoration: none; font-weight: 600; color: var(--ink); }
.topic-list a:hover { color: var(--primary); }
.topics { display: grid; gap: 2.5rem; }
.topic { display: grid; grid-template-columns: 70px 1fr; gap: 1.2rem; }
.topic-num { font-size: 2.4rem; font-weight: 900; color: var(--accent); line-height: 1; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: .45rem; }
.checks li { padding-left: 1.8rem; position: relative; }
.checks li::before { content: ""; position: absolute; left: 0; top: .45rem; width: 12px; height: 12px; background: var(--accent); transform: rotate(45deg); border-radius: 2px; }
@media (max-width: 600px) { .topic { grid-template-columns: 1fr; } }

/* Termine */
.event-list { list-style: none; padding: 0; margin: 0 0 1.5rem; display: grid; gap: .9rem; }
.event-list li { display: flex; gap: 1rem; align-items: flex-start; }
.event-date { flex: 0 0 64px; text-align: center; background: var(--primary); color: #fff; border-radius: 12px; padding: .4rem 0; line-height: 1.1; }
.event-date b { display: block; font-size: 1.5rem; }
.event-date small { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; }
.event-list.big li { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; }
.event-main { display: flex; flex-direction: column; gap: .2rem; }
.event-main p { margin: .4rem 0; }
.small-link { font-size: .9rem; }
.event-list.compact li { display: flex; gap: .8rem; }

/* Personen */
.people { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.6rem; }
.person { text-align: center; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem 1rem; }
.person-photo { width: 120px; height: 120px; margin: 0 auto 1rem; border-radius: 50%; overflow: hidden; background: var(--primary-light); display: grid; place-items: center; border: 4px solid var(--accent-light); }
.person-photo img { width: 100%; height: 100%; object-fit: cover; }
.initials { font-size: 2rem; font-weight: 800; color: var(--primary); }
.person h3 { margin-bottom: .2rem; }
.person-fn { color: var(--primary-dark); font-weight: 600; font-size: .95rem; }
.person p { font-size: .9rem; margin: .6rem 0 0; }

/* Artikel */
.article-img { margin: 1.5rem 0 2rem; }
.article-img img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow); }
.article-img figcaption { font-size: .82rem; color: var(--muted); margin-top: .5rem; text-align: right; }
.article-wrap { max-width: 780px; padding-top: 2.5rem; }
.lead { font-size: 1.2rem; color: var(--muted); }
.prose { font-size: 1.05rem; }
.prose img { border-radius: var(--radius); }
.prose h2, .prose h3 { margin-top: 1.6em; }
.share { margin: 2.5rem 0 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line); display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.share-label { font-weight: 700; margin-right: .4rem; }
.share-btn { width: 42px; height: 42px; border-radius: 50%; background: var(--primary-light); display: grid; place-items: center; border: 0; cursor: pointer; transition: .15s; }
.share-btn svg { width: 20px; height: 20px; fill: var(--primary-dark); }
.share-btn:hover { background: var(--primary); }
.share-btn:hover svg { fill: #fff; }

/* Instagram */
.insta { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; }
@media (max-width: 600px) { .insta { grid-template-columns: repeat(2, 1fr); } }
.insta-post { position: relative; display: block; aspect-ratio: 1; overflow: hidden; border-radius: 12px; background: var(--primary-light); }
.insta-post img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.insta-post:hover img { transform: scale(1.05); }
.insta-badge { position: absolute; top: .6rem; right: .6rem; background: rgba(0,0,0,.55); color: #fff; border-radius: 6px; padding: .1rem .45rem; font-size: .85rem; }
.insta-cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 1.6rem .8rem .7rem; color: #fff; font-size: .82rem; line-height: 1.3; background: linear-gradient(transparent, rgba(0,0,0,.7)); opacity: 0; transition: .25s; }
.insta-post:hover .insta-cap { opacity: 1; }
.small { font-size: .85rem; }

/* CTA, Video, Form */
.cta { background: linear-gradient(135deg, var(--accent) 0%, #c1dd4a 100%); color: #1b2430; padding: clamp(2.5rem, 6vw, 4.5rem) 0; text-align: center; }
.cta h2 { color: #1b2430; }
.cta p { max-width: 60ch; margin: 0 auto 1.4rem; }
.cta .btn-accent { background: var(--primary); color: #fff; }
.video { aspect-ratio: 16/9; background: var(--primary-dark); border-radius: var(--radius); display: grid; place-items: center; overflow: hidden; }
.video iframe { width: 100%; height: 100%; border: 0; }
.form { display: grid; gap: 1rem; }
.form label { display: grid; gap: .3rem; font-weight: 600; font-size: .95rem; }
.form input, .form textarea { font: inherit; padding: .7rem .9rem; border: 1px solid #c9d3dd; border-radius: 10px; }
.form input:focus, .form textarea:focus { outline: 2px solid var(--primary); border-color: var(--primary); }
.form .check { display: flex; gap: .6rem; align-items: flex-start; font-weight: 400; }
.form .check input { margin-top: .3rem; }
.hp { position: absolute; left: -9999px; }
.captcha { display: grid; grid-template-columns: auto 1fr; gap: .4rem 1rem; align-items: center; background: var(--bg-alt); padding: .8rem; border-radius: 10px; }
.captcha img { border-radius: 6px; border: 1px solid var(--line); grid-row: span 2; }
.captcha label { margin: 0; }
.captcha button.link { background: none; border: 0; color: var(--primary); cursor: pointer; font: inherit; font-size: .85rem; text-decoration: underline; justify-self: start; padding: 0; }
.flash { padding: .9rem 1.1rem; border-radius: 10px; margin: 1rem 0; }
.flash-success { background: var(--accent-light); border: 1px solid var(--accent); }
.flash-danger { background: #fdecec; border: 1px solid #e3a1a1; }
.flash-warning { background: #fff6dc; border: 1px solid #e9cf7a; }

/* Footer */
.site-footer { background: var(--primary-dark); color: #d9ecf8; margin-top: 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; padding: 3rem 0 2rem; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand { font-weight: 800; font-size: 1.2rem; color: #fff; margin-bottom: .5rem; }
.footer-title { font-weight: 700; color: var(--accent); margin-bottom: .6rem; text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links a { color: #fff; text-decoration: none; display: block; padding: .2rem 0; }
.footer-links a:hover { color: var(--accent); }
.site-footer .muted { color: #b7d6ea; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding: 1rem 0 1.5rem; border-top: 1px solid rgba(255,255,255,.15); font-size: .9rem; }
.footer-bottom a { color: #fff; }

@media (prefers-reduced-motion: reduce) { [data-anim], [data-stagger] > * { opacity: 1 !important; transform: none !important; } }