/* =========================================================================
   BayernTurner – Magazinarchiv des Bayerischen Turnverbandes
   bt.css · Palette & Typo orientiert an der Bestandsseite (YOOtheme Juno,
   white-blue) mit BTV-Farbwerten. Kanit (Headlines) + Nunito Sans (Text).
   ========================================================================= */

@import url("/assets/fonts/fonts.css");

:root{
  --blue:#1770B8;         /* BTV-Blau  – Buttons, H1/H2, Bänder, Akzente      */
  --blue-dark:#12598f;    /* Hover/Tiefe                                       */
  --red:#E3000B;          /* BTV-Rot   – Links, Jahres-Marker, sekundär        */
  --red-dark:#b8000a;
  --white:#ffffff;
  --wash:#f2f6fa;         /* alternierende Sektions-Hintergründe               */
  --line:#e2e9f0;         /* Rahmen/Trennlinien                                */
  --ink:#222222;          /* Fließtext                                         */
  --muted:#5c6b78;        /* sekundärer Text                                   */
  --shadow:0 2px 10px rgba(18,64,110,.08);
  --shadow-lg:0 12px 34px rgba(18,64,110,.18);
  --radius:14px;
  --wrap:1180px;
  --header-h:64px;
  --subnav-h:52px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;color:var(--ink);background:var(--white);
  font-family:"Nunito Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--red);text-decoration:none}
a:hover{color:var(--red-dark);text-decoration:underline}

h1,h2,h3{font-family:"Kanit",sans-serif;font-weight:700;line-height:1.12;color:var(--blue);margin:0 0 .5em}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem)}
h3{font-size:1.15rem;font-weight:600}
p{margin:0 0 1rem}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(18px,5vw,40px)}
.section{padding-block:clamp(48px,8vw,86px)}
.section--wash{background:var(--wash)}
.section__head{max-width:720px;margin-bottom:2rem}
.section__head p{color:var(--muted);font-size:1.05rem;margin:0}
.eyebrow{font-family:"Kanit",sans-serif;font-weight:600;text-transform:uppercase;
  letter-spacing:.14em;font-size:.78rem;color:var(--red);display:block;margin-bottom:.5rem}

/* ---------- Buttons ------------------------------------------------------- */
/* Standard = Blau auf Weiß. Helle Variante nur per Kontextklasse (.on-dark).  */
.btn{display:inline-flex;align-items:center;gap:.55em;font-family:"Kanit",sans-serif;
  font-weight:600;font-size:1rem;line-height:1;padding:.85em 1.6em;border-radius:999px;
  background:var(--blue);color:#fff;border:2px solid var(--blue);cursor:pointer;
  transition:background .18s,border-color .18s,transform .18s,box-shadow .18s;text-decoration:none}
.btn:hover{background:var(--blue-dark);border-color:var(--blue-dark);color:#fff;
  text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow)}
.btn svg{width:1.05em;height:1.05em;flex:none}
.btn--ghost{background:transparent;color:var(--blue)}
.btn--ghost:hover{background:var(--blue);color:#fff}
.on-dark .btn,.site-footer .btn{background:#fff;color:var(--blue);border-color:#fff}
.on-dark .btn:hover,.site-footer .btn:hover{background:var(--wash);color:var(--blue-dark);border-color:var(--wash)}
.on-dark .btn--ghost,.site-footer .btn--ghost{background:transparent;color:#fff;border-color:#fff}
.on-dark .btn--ghost:hover,.site-footer .btn--ghost:hover{background:#fff;color:var(--blue);border-color:#fff}

/* ---------- Header -------------------------------------------------------- */
.site-header{position:sticky;top:0;z-index:60;height:var(--header-h);background:rgba(255,255,255,.92);
  backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:100%}
.brand{display:flex;align-items:center;gap:.6rem;font-family:"Kanit",sans-serif;font-weight:700;
  font-size:1.3rem;color:var(--blue);text-decoration:none;letter-spacing:-.01em}
.brand:hover{text-decoration:none;color:var(--blue-dark)}
.brand__mark{width:34px;height:34px;border-radius:8px;display:block}
.site-header__logo{height:34px;width:auto}

/* ---------- Hero ---------------------------------------------------------- */
.hero{position:relative;min-height:clamp(460px,76vh,720px);display:flex;align-items:flex-end;
  color:#fff;overflow:hidden;background:#0d3a5f}
.hero__media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 35%}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(9,42,70,.15) 0%,rgba(9,42,70,.35) 45%,rgba(9,42,70,.86) 100%)}
.hero__inner{position:relative;z-index:2;max-width:760px;padding-block:clamp(38px,7vw,72px)}
.hero h1{color:#fff;font-size:clamp(2rem,5.4vw,3.4rem);text-shadow:0 2px 18px rgba(0,0,0,.28);margin-bottom:.35em}
.hero__lead{font-size:clamp(1.05rem,2vw,1.28rem);max-width:38em;color:#eaf2f9;margin-bottom:1.6rem;
  text-shadow:0 1px 10px rgba(0,0,0,.25)}
.hero__cta{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center}

/* ---------- Sticky Jahres-Subnav (Scrollspy) ------------------------------ */
.subnav{position:sticky;top:var(--header-h);z-index:55;background:var(--white);
  border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(18,64,110,.03)}
.subnav__track{display:flex;gap:.35rem;overflow-x:auto;scrollbar-width:none;height:var(--subnav-h);
  align-items:center;-webkit-overflow-scrolling:touch}
.subnav__track::-webkit-scrollbar{display:none}
.subnav a{font-family:"Kanit",sans-serif;font-weight:600;font-size:.95rem;color:var(--muted);
  padding:.4em .9em;border-radius:999px;white-space:nowrap;text-decoration:none;transition:color .15s,background .15s}
.subnav a:hover{color:var(--blue);background:var(--wash);text-decoration:none}
.subnav a.is-active{color:#fff;background:var(--blue)}

/* ---------- Sprossenwand / Übergabe -------------------------------------- */
.handover{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,4vw,54px);align-items:center}
.handover__figure{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);
  border:1px solid var(--line);background:#fff}
.handover__figure img{width:100%;aspect-ratio:1920/1386;object-fit:cover}
.handover blockquote{margin:0 0 1.2rem;font-family:"Kanit",sans-serif;font-weight:600;
  font-size:clamp(1.25rem,2.4vw,1.7rem);line-height:1.25;color:var(--blue)}
@media(max-width:760px){.handover{grid-template-columns:1fr}.handover__figure{order:-1}}

/* ---------- Ausgaben-Grid ------------------------------------------------- */
.issues{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));
  gap:clamp(20px,3vw,38px);align-items:start}
.issue{margin:0;display:flex;flex-direction:column;gap:.85rem}
/* Cover wird VOLLSTÄNDIG angezeigt (kein Crop): natürliches Seitenverhältnis
   über width/height-Attribute, Karte wächst mit. */
/* flach & randlos: kein Kartenrahmen, kein Schatten, keine Umrandung */
.issue__cover{display:block;position:relative;overflow:hidden;line-height:0;
  isolation:isolate;transition:opacity .25s}
.issue__cover img{width:100%;height:auto;display:block}
/* DearFlip stylt _df_button standardmäßig als grauen Button (.df-popup-button:
   background #ddd, padding, radius) -> für die Cover-Karten entfernen */
.issue__cover.df-element,.issue__cover.df-popup-button{
  background:none!important;padding:0!important;border:0!important;
  border-radius:0!important;box-shadow:none!important;color:inherit!important;
  display:block!important;text-align:left!important;min-width:0!important}
/* dezenter Hover-Verlauf unten + „Durchblättern"-Pille (kein Rahmen) */
.issue__cover::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(9,42,70,0) 48%,rgba(9,42,70,.6));
  opacity:0;transition:opacity .28s}
.issue__cover .play{position:absolute;z-index:2;left:50%;top:50%;translate:-50% -50%;
  display:inline-flex;align-items:center;gap:.45em;padding:.6em 1.05em;border-radius:999px;
  background:rgba(255,255,255,.96);color:var(--blue);font-family:"Kanit",sans-serif;
  font-weight:600;font-size:.86rem;line-height:1;white-space:nowrap;
  box-shadow:0 8px 22px rgba(9,42,70,.34);opacity:0;scale:.82;
  transition:opacity .28s,scale .28s}
.issue__cover .play svg{width:15px;height:15px}
.issue__cover:hover::after{opacity:1}
.issue__cover:hover .play{opacity:1;scale:1}
.issue__cover:focus-visible{outline:3px solid var(--red);outline-offset:3px}
.issue__label{font-family:"Kanit",sans-serif;font-weight:600;font-size:1rem;color:var(--ink);
  text-align:center;line-height:1.2}
.issue__label span{display:block;color:var(--red);font-size:.74rem;font-weight:600;
  letter-spacing:.09em;text-transform:uppercase;margin-bottom:.15rem}

/* Bildungsprogramm – einzelne, hervorgehobene Ausgabe */
.bipro{display:grid;grid-template-columns:200px 1fr;gap:clamp(22px,4vw,48px);align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(22px,3.5vw,40px);box-shadow:var(--shadow)}
.bipro .issue{max-width:200px}
.bipro__body p{color:var(--muted)}
.bipro__note{font-size:.92rem;color:var(--muted);margin-top:.6rem;
  padding-left:.85rem;border-left:3px solid var(--red)}
@media(max-width:620px){.bipro{grid-template-columns:1fr;justify-items:center;text-align:center}
  .bipro__note{text-align:left}}

/* ---------- Footer -------------------------------------------------------- */
.site-footer{background:var(--blue);color:#dcebf6}
.site-footer a{color:#fff}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:clamp(28px,4vw,48px);padding-block:clamp(44px,6vw,68px)}
.footer-col h3{color:#fff;font-size:1.05rem;margin-bottom:.7rem}
.footer-col p{color:#c6ddef;font-size:.96rem}
.footer-col .btn{margin-top:.4rem}
.footer-brand__logo{background:#fff;border-radius:10px;padding:8px 12px;display:inline-block;margin-bottom:1rem}
.footer-brand__logo img{height:40px;width:auto}
.footer-farewell{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.18);
  padding-top:1.6rem;display:flex;gap:1.1rem;align-items:flex-start}
.footer-farewell img{width:52px;height:52px;border-radius:12px;flex:none}
.footer-farewell p{color:#cfe3f4;max-width:60ch;margin:0}
.social{display:flex;gap:.6rem;margin-top:.3rem;flex-wrap:wrap}
.social a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.12);
  display:grid;place-items:center;transition:background .18s,transform .18s}
.social a:hover{background:#fff;transform:translateY(-2px)}
.social a:hover svg{fill:var(--blue)}
.social svg{width:20px;height:20px;fill:#fff}
.footer-bar{border-top:1px solid rgba(255,255,255,.18)}
.footer-bar .wrap{display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;justify-content:space-between;
  align-items:center;padding-block:1.1rem;font-size:.9rem;color:#bcd6ec}
.footer-bar nav{display:flex;gap:1.2rem;flex-wrap:wrap}
.footer-bar a{color:#dcebf6;text-decoration:none}
.footer-bar a:hover{color:#fff;text-decoration:underline}

/* ---------- Reveal (selbstheilend: ohne JS voll sichtbar) ----------------- */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}}

/* ---------- Skip-Link & a11y --------------------------------------------- */
.skip{position:absolute;left:-9999px;top:0;background:var(--blue);color:#fff;padding:.7em 1.2em;
  z-index:100;border-radius:0 0 8px 0}
.skip:focus{left:0}
:focus-visible{outline:3px solid var(--red);outline-offset:2px}

@media(max-width:600px){
  body{font-size:16px}
  .issues{grid-template-columns:repeat(2,1fr)}
  .footer-farewell{flex-direction:column;gap:.7rem}
}