/* =========================================================
   FEDI — Future Education Institute
   Demo / Referenz-Design (Home + Medical Program)
   Marke: FEDI-Blau #2d3f7b (Logo) · Nunito Sans / Source Sans Pro
   Stil-Referenz: Frankfurt School (elegant, viel Weißraum)
   ========================================================= */

:root{
  --fedi-blue:#2d3f7b;        /* FEDI-Markenblau — direkt aus dem Logo gesampelt (rgb 45,63,123) */
  --fedi-blue-700:#24325f;
  --fedi-blue-900:#1a2444;
  --fedi-ink:#101828;
  --fedi-slate:#5a6478;       /* Fließtext gedämpft */
  --fedi-mist:#9ca6bf;        /* Sekundär hellblau-grau */
  --fedi-line:#e6e8ef;
  --fedi-bg:#ffffff;
  --fedi-bg-soft:#f6f7fb;     /* zarter Sektions-Hintergrund */
  --fedi-gold:#c9a24b;        /* dezenter Akzent (Frankfurt-School-Anmutung) */
  --fedi-gold-soft:#e8d9b4;

  --maxw:1200px;
  --gutter:clamp(20px,5vw,64px);
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.05);
  --shadow-md:0 10px 30px rgba(16,24,40,.08);
  --shadow-lg:0 24px 60px rgba(12,23,56,.16);
  --t:.4s cubic-bezier(.22,.61,.36,1);
  --head:"Nunito Sans",system-ui,sans-serif;
  --body:"Source Sans 3","Source Sans Pro",system-ui,sans-serif;
}

/* ---------- Reset / Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--body);color:var(--fedi-ink);
  background:var(--fedi-bg);line-height:1.65;font-size:18px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--head);color:var(--fedi-blue);line-height:1.14;margin:0 0 .5em;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(2.3rem,5.2vw,4rem)}
h2{font-size:clamp(1.8rem,3.4vw,2.7rem)}
h3{font-size:clamp(1.25rem,1.8vw,1.5rem)}
p{margin:0 0 1.1em}
.lead{font-size:clamp(1.05rem,1.5vw,1.28rem);color:var(--fedi-slate)}
::selection{background:var(--fedi-blue);color:#fff}

.container{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
.section{padding:clamp(64px,9vw,120px) 0}
.section--soft{background:var(--fedi-bg-soft)}
.section--blue{background:var(--fedi-blue);color:#fff}
.section--blue h2,.section--blue h3{color:#fff}
.center{text-align:center}
.eyebrow{
  font-family:var(--head);font-weight:800;text-transform:uppercase;
  letter-spacing:.18em;font-size:.78rem;color:var(--fedi-gold);
  margin:0 0 .9rem;display:inline-block;
}
.section--blue .eyebrow{color:var(--fedi-gold-soft)}
.measure{max-width:760px}
.measure.center{margin-inline:auto}

/* ---------- Buttons ---------- */
.btn{
  --bg:var(--fedi-blue);--fg:#fff;
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--head);font-weight:800;font-size:1rem;
  padding:.95em 1.7em;border-radius:100px;cursor:pointer;border:1.5px solid var(--bg);
  background:var(--bg);color:var(--fg);transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t);
  will-change:transform;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn .arw{transition:transform var(--t)}
.btn:hover .arw{transform:translateX(4px)}
.btn--ghost{background:transparent;color:var(--fedi-blue)}
.btn--ghost:hover{background:var(--fedi-blue);color:#fff}
.btn--light{--bg:#fff;--fg:var(--fedi-blue);border-color:#fff}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.btn--outline-light:hover{background:#fff;color:var(--fedi-blue);border-color:#fff}
.btn--gold{--bg:var(--fedi-gold);--fg:#22201a;border-color:var(--fedi-gold)}

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  transition:background var(--t),box-shadow var(--t),padding var(--t);
  padding:18px 0;
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:42px;width:auto;transition:filter var(--t);filter:none}
.brand__txt{font-family:var(--head);font-weight:800;color:var(--fedi-blue);font-size:1.15rem;letter-spacing:.02em}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
  font-family:var(--head);font-weight:700;font-size:.98rem;color:var(--fedi-ink);
  padding:.55em .9em;border-radius:8px;position:relative;transition:color var(--t),background var(--t);
}
.nav a:hover{background:var(--fedi-bg-soft);color:var(--fedi-blue)}
.has-drop{position:relative}
.drop{
  position:absolute;top:calc(100% + 10px);left:0;min-width:240px;background:#fff;
  border-radius:14px;box-shadow:var(--shadow-lg);padding:10px;opacity:0;visibility:hidden;
  transform:translateY(8px);transition:all var(--t);border:1px solid var(--fedi-line);
}
.has-drop:hover .drop{opacity:1;visibility:visible;transform:translateY(0)}
.drop a{color:var(--fedi-ink);display:block;padding:.6em .8em;border-radius:8px}
.drop a:hover{background:var(--fedi-bg-soft);color:var(--fedi-blue)}

.header-actions{display:flex;align-items:center;gap:14px}
/* Language toggle */
.lang{display:inline-flex;border:1.5px solid var(--fedi-line);border-radius:100px;overflow:hidden;font-family:var(--head);font-weight:800;font-size:.8rem}
.lang button{background:transparent;border:0;color:var(--fedi-blue);padding:.42em .8em;cursor:pointer;transition:background var(--t),color var(--t);letter-spacing:.04em}
.lang button.active{background:var(--fedi-blue);color:#fff}

/* scrolled state -> solid white header */
.site-header.scrolled{background:#fff;box-shadow:0 6px 24px rgba(16,24,40,.08);padding:12px 0}
.site-header.scrolled .brand__txt{color:var(--fedi-blue)}
.site-header.scrolled .nav a{color:var(--fedi-ink)}
.site-header.scrolled .nav a:hover{background:var(--fedi-bg-soft);color:var(--fedi-blue)}
.site-header.scrolled .lang{border-color:var(--fedi-line)}
.site-header.scrolled .lang button{color:var(--fedi-blue)}
.site-header.scrolled .lang button.active{background:var(--fedi-blue);color:#fff}
.site-header.scrolled .brand img{filter:none}
/* Solid header also on interior pages (no hero overlay) */
.site-header.solid{background:#fff;box-shadow:0 6px 24px rgba(16,24,40,.08)}
.site-header.solid .brand__txt{color:var(--fedi-blue)}
.site-header.solid .nav a{color:var(--fedi-ink)}
.site-header.solid .lang{border-color:var(--fedi-line)}
.site-header.solid .lang button{color:var(--fedi-blue)}
.site-header.solid .lang button.active{background:var(--fedi-blue);color:#fff}

.burger{display:none;background:transparent;border:0;cursor:pointer;width:30px;height:24px;position:relative}
.burger span{position:absolute;left:0;right:0;height:2.5px;background:var(--fedi-blue);border-radius:2px;transition:var(--t)}
.burger span:nth-child(1){top:2px}.burger span:nth-child(2){top:11px}.burger span:nth-child(3){top:20px}
.site-header.scrolled .burger span,.site-header.solid .burger span{background:var(--fedi-blue)}

/* ---------- Hero (full screen, Frankfurt-School style) ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero__slide{
  position:absolute;inset:0;opacity:0;transition:opacity .8s ease;
  background-size:cover;background-position:center 26%;
  display:flex;align-items:center;pointer-events:none;
}
.hero__slide.active{opacity:1;pointer-events:auto}
.hero__slide .container{width:100%;position:relative;z-index:2}
/* Verlauf von UNTEN: oben bleibt das Foto (Gesichter) klar, unten dunkel für Text */
.hero__slide::before{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(to top,rgba(11,20,48,.93) 0%,rgba(11,20,48,.80) 15%,rgba(11,20,48,.42) 34%,rgba(11,20,48,.08) 54%,rgba(11,20,48,0) 70%);}
/* Homepage-Hero: Text unten, Gesichter frei, KEIN Kasten */
.hero:not(.subhero){align-items:flex-end}
.hero:not(.subhero) .hero__slide{align-items:flex-end}
.hero:not(.subhero) .hero__content{max-width:680px;margin-bottom:clamp(64px,10vh,112px)}
.hero:not(.subhero) h1{font-size:clamp(1.85rem,3.4vw,2.9rem)}
/* Slide 1: weiße Schrift auf dunklem Verlauf (wie Slide 2) für bessere Lesbarkeit über dem Foto */
/* Echte Hero-Bilder (Roy). Fallback = FEDI-Blau, falls Datei fehlt. */
.ph-hero-1{background-color:#2d3f7b;background-image:url('hero-home.jpg');}
.ph-hero-2{background-color:#2d3f7b;background-image:url('hero-foundation.jpg');}
.ph-med{background-color:#2d3f7b;background-image:url('hero-medical.jpg');}
.hero__inner{position:relative;z-index:2;width:100%}
.hero__content{position:relative;z-index:2;max-width:820px}
.hero h1{color:#fff;margin-bottom:.35em}
.hero__sub{font-family:var(--head);font-weight:700;font-size:clamp(1.05rem,1.9vw,1.4rem);color:var(--fedi-gold-soft);letter-spacing:.01em;margin-bottom:1.6em}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}
/* slider dots */
.hero__dots{position:absolute;right:var(--gutter);bottom:40px;z-index:3;display:flex;gap:10px}
.hero__dots button{width:38px;height:4px;border-radius:4px;border:0;background:rgba(255,255,255,.4);cursor:pointer;transition:background var(--t)}
.hero__dots button.active{background:var(--fedi-gold)}
/* bottom-left cue (wie Frankfurt School) */
.hero__cue{
  position:absolute;left:var(--gutter);bottom:34px;z-index:3;color:#fff;
  display:none;align-items:center;gap:12px;font-family:var(--head);font-weight:700;
  font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;opacity:.9;
}
.hero__cue .mouse{width:24px;height:38px;border:2px solid rgba(255,255,255,.7);border-radius:14px;position:relative;flex:none}
.hero__cue .mouse::before{content:"";position:absolute;left:50%;top:7px;width:3px;height:7px;background:#fff;border-radius:2px;transform:translateX(-50%);animation:scrolldot 1.6s infinite}
@keyframes scrolldot{0%{opacity:0;transform:translate(-50%,0)}40%{opacity:1}80%{opacity:0;transform:translate(-50%,10px)}}
/* image placeholder note badge */
.imgnote{position:absolute;right:var(--gutter);bottom:34px;z-index:3;font-family:var(--head);font-weight:700;font-size:.72rem;letter-spacing:.08em;color:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.35);padding:.4em .8em;border-radius:100px;text-transform:uppercase}

/* interior hero (shorter) */
.subhero{min-height:66vh}
.subhero .hero__content{max-width:760px}

/* ---------- Generic layout helpers ---------- */
.grid{display:grid;gap:clamp(20px,3vw,34px)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,72px);align-items:center}

/* ---------- Cards ---------- */
.card{background:#fff;border:1px solid var(--fedi-line);border-radius:var(--radius-lg);padding:clamp(24px,3vw,34px);box-shadow:var(--shadow-sm);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--fedi-mist)}
.card__ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:rgba(45,63,123,.09);color:var(--fedi-blue);margin-bottom:16px}
.card h3{margin-bottom:.4em}
.card p{color:var(--fedi-slate);margin:0;font-size:1rem}

/* Program teaser cards (image + body) */
.pcard{overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--fedi-line);background:#fff;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:transform var(--t),box-shadow var(--t)}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.pcard__img{aspect-ratio:16/10;position:relative}
.pcard__img .imglbl{position:absolute;inset:auto 12px 12px auto;font-size:.68rem;font-family:var(--head);font-weight:700;color:rgba(255,255,255,.85);background:rgba(12,23,56,.45);padding:.3em .7em;border-radius:100px;text-transform:uppercase;letter-spacing:.06em}
.pcard__body{padding:clamp(22px,3vw,32px);display:flex;flex-direction:column;gap:12px;flex:1}
.pcard__body h3{font-size:clamp(1.3rem,2vw,1.7rem)}
.pcard__body p{color:var(--fedi-slate);margin:0}
.pcard__body .btn{margin-top:auto;align-self:flex-start}
.ph-prog-1{background:#2d3f7b}
.ph-prog-2{background:#1d2c6a}
.ph-soft{background:linear-gradient(135deg,#e9edf6,#dfe4f1)}

/* ---------- Pathway (How FEDI Works) ---------- */
.pathway{counter-reset:step;display:grid;gap:22px}
.step{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:start;padding:22px 0;border-bottom:1px solid var(--fedi-line)}
.step:last-child{border-bottom:0}
.step__num{width:56px;height:56px;border-radius:50%;background:var(--fedi-blue);color:#fff;font-family:var(--head);font-weight:800;font-size:1.3rem;display:grid;place-items:center;flex:none}
.section--blue .step{border-color:rgba(255,255,255,.15)}
.section--blue .step__num{background:#fff;color:var(--fedi-blue)}
.step h3{margin-bottom:.25em}
.step p{margin:0;color:var(--fedi-slate)}
.section--blue .step p{color:rgba(255,255,255,.82)}

/* Pathway timeline variant (Medical application) */
.timeline{position:relative;display:grid;gap:6px}
.tl{display:grid;grid-template-columns:130px 1fr;gap:26px;padding:26px 0;border-top:1px solid var(--fedi-line);align-items:start}
.tl:first-child{border-top:0}
.tl__tag{font-family:var(--head);font-weight:800;color:var(--fedi-gold);letter-spacing:.06em;font-size:.9rem;padding-top:4px}
.tl h3{margin-bottom:.3em}
.tl p{margin:0;color:var(--fedi-slate)}

/* ---------- Accordion (Curriculum / FAQ) ---------- */
.acc{border:1px solid var(--fedi-line);border-radius:var(--radius);overflow:hidden;background:#fff}
.acc + .acc{margin-top:14px}
.acc__head{width:100%;text-align:left;background:#fff;border:0;cursor:pointer;padding:22px 24px;display:flex;justify-content:space-between;align-items:center;gap:20px;font-family:var(--head);font-weight:800;color:var(--fedi-blue);font-size:1.08rem}
.acc__head:hover{background:var(--fedi-bg-soft)}
.acc__ico{flex:none;width:28px;height:28px;border-radius:50%;border:2px solid var(--fedi-blue);position:relative;transition:transform var(--t)}
.acc__ico::before,.acc__ico::after{content:"";position:absolute;background:var(--fedi-blue);border-radius:2px}
.acc__ico::before{width:12px;height:2px;left:6px;top:11px}
.acc__ico::after{width:2px;height:12px;left:11px;top:6px;transition:transform var(--t)}
.acc.open .acc__ico{transform:rotate(180deg)}
.acc.open .acc__ico::after{transform:scaleY(0)}
.acc__panel{max-height:0;overflow:hidden;transition:max-height .45s ease}
.acc__inner{padding:0 24px 24px;color:var(--fedi-slate)}
.acc__inner p{margin:0 0 .6em}
.acc__inner ul{margin:.2em 0 0;padding-left:1.2em}
.acc__inner li{margin:.3em 0}

/* ---------- Experts ---------- */
.expert{text-align:center}
.expert__photo{aspect-ratio:1;border-radius:20px;margin-bottom:16px;position:relative;overflow:hidden;background:linear-gradient(135deg,#e9edf6,#cfd7ea)}
.expert__photo .ini{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--head);font-weight:800;font-size:2.4rem;color:var(--fedi-mist)}
.expert h3{margin-bottom:.1em;font-size:1.2rem}
.expert .role{color:var(--fedi-gold);font-family:var(--head);font-weight:700;font-size:.92rem;margin-bottom:.4em}
.expert p{color:var(--fedi-slate);font-size:.96rem;margin:0}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat .num{font-family:var(--head);font-weight:800;color:#fff;font-size:clamp(2rem,4vw,3rem);line-height:1}
.stat .lbl{color:rgba(255,255,255,.8);font-size:.95rem;margin-top:.4em}

/* ---------- Partners ---------- */

/* ---------- CTA band ---------- */
.ctaband{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:clamp(40px,6vw,72px);background:linear-gradient(135deg,var(--fedi-blue),var(--fedi-blue-900));color:#fff;text-align:center}
.ctaband::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 85% 20%,rgba(201,162,75,.25),transparent 60%);pointer-events:none}
.ctaband h2{color:#fff;position:relative}
.ctaband p{color:rgba(255,255,255,.85);position:relative}
.ctaband .hero__cta{justify-content:center;position:relative}

/* ---------- Enquiry / Application form ---------- */
.form{display:grid;gap:16px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-family:var(--head);font-weight:700;font-size:.9rem;color:var(--fedi-blue)}
.field input,.field select,.field textarea{
  font-family:var(--body);font-size:1rem;padding:.85em 1em;border:1.5px solid var(--fedi-line);
  border-radius:12px;background:#fff;color:var(--fedi-ink);transition:border var(--t),box-shadow var(--t);
}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--fedi-blue);box-shadow:0 0 0 4px rgba(45,63,123,.12)}
.field textarea{min-height:130px;resize:vertical}

/* ---------- Footer (heller Grauton wie die echte Live-Seite) ---------- */
.footer{background:#d7d7d7;color:#454545;padding:72px 0 0}
.footer a{color:#454545;transition:color var(--t)}
.footer a:hover{color:var(--fedi-blue)}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:44px}
.footer__brand img{height:52px;margin-bottom:16px}
.footer h4{color:var(--fedi-blue);font-size:1rem;font-weight:800;letter-spacing:.04em;margin-bottom:1em}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.6em;font-size:.98rem}
.footer__bottom{background:var(--fedi-blue-900);color:#9aa4c4;margin-top:44px}
.footer__bottom-inner{padding:22px var(--gutter);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.88rem}

/* ---------- Reveal on scroll (only when JS active) ---------- */
.reveal{transition:opacity .7s ease,transform .7s cubic-bezier(.22,.61,.36,1)}
.has-js .reveal{opacity:0;transform:translateY(24px)}
.has-js .reveal.in{opacity:1;transform:none}

/* ---------- Mobile menu panel ---------- */
.mobile-nav{position:fixed;inset:0;z-index:70;background:var(--fedi-blue-900);color:#fff;display:flex;flex-direction:column;padding:90px var(--gutter) 40px;transform:translateX(100%);transition:transform var(--t);overflow:auto}
.mobile-nav.open{transform:none}
.mobile-nav a{font-family:var(--head);font-weight:800;font-size:1.4rem;padding:.55em 0;border-bottom:1px solid rgba(255,255,255,.1);color:#fff}
.mobile-nav .close{position:absolute;top:24px;right:var(--gutter);background:transparent;border:0;color:#fff;font-size:2rem;cursor:pointer;line-height:1}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
  .nav,.header-actions .lang{display:none}
  .burger{display:block}
  .header-actions{gap:10px}
}
@media (max-width:640px){
  body{font-size:17px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .form .row{grid-template-columns:1fr}
  .tl{grid-template-columns:1fr;gap:6px}
  .hero__dots{bottom:96px}
  .footer__grid{grid-template-columns:1fr}
  .imgnote{display:none}
}

/* Reduced motion */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}