/* ==========================================================================
   MBAhelp.de — Static site design system
   Brand: Eloquia / mba.help  ·  teal #2b8a8a + warm charcoal #33332e
   ========================================================================== */

:root {
  --teal:        #2b8a8a;
  --teal-dark:   #1f6b6b;
  --teal-light:  #e7f2f2;
  --teal-50:     #f4fafa;
  --charcoal:    #33332e;
  --charcoal-2:  #4a4a42;
  --ink:         #2a2a26;
  --muted:       #6b6b63;
  --line:        #e6e6e0;
  --bg:          #ffffff;
  --bg-soft:     #f7f7f4;
  --gold:        #c9a24b;
  --max:         1180px;
  --radius:      14px;
  --radius-sm:   9px;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow:      0 10px 30px rgba(20,40,40,.08);
  --shadow-lg:   0 24px 60px rgba(20,40,40,.14);
  --font:        "Inter", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  --ease:        cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--teal-dark); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--teal); }
h1,h2,h3,h4 { line-height: 1.18; color: var(--charcoal); font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.25rem; }
p { color: var(--charcoal-2); }
ul, ol { padding-left: 1.2em; }

/* ---------- layout ---------- */
.container { width: 100%; max-width: var(--max); margin-inline: auto; padding-inline: 22px; }
.section { padding: clamp(48px, 7vw, 88px) 0; }
.section--soft { background: var(--bg-soft); }
.section--teal { background: var(--teal); color: #fff; }
.section--teal h2, .section--teal h3 { color: #fff; }
.section--teal p { color: rgba(255,255,255,.9); }
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--teal); margin-bottom: 14px;
}
.section--teal .eyebrow { color: rgba(255,255,255,.85); }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 60ch; }
.center { text-align: center; }
.center .lead { margin-inline: auto; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55em;
  font-weight: 600; font-size: 1rem; line-height: 1;
  padding: 14px 26px; border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; transition: all .22s var(--ease); white-space: nowrap;
}
.btn--primary { background: var(--teal); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--teal-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn--ghost { background: transparent; color: var(--teal-dark); border-color: var(--teal); }
.btn--ghost:hover { background: var(--teal); color: #fff; }
.btn--light { background: #fff; color: var(--teal-dark); }
.btn--light:hover { background: var(--teal-light); color: var(--teal-dark); transform: translateY(-2px); }
.btn--lg { padding: 17px 34px; font-size: 1.05rem; }

/* ---------- top bar ---------- */
.topbar { background: var(--charcoal); color: rgba(255,255,255,.82); font-size: .85rem; }
.topbar a { color: rgba(255,255,255,.82); }
.topbar a:hover { color: #fff; }
.topbar__inner { display: flex; align-items: center; gap: 20px; min-height: 40px; flex-wrap: wrap; }
.topbar__sep { flex: 1; }
.topbar .lang { font-weight: 700; }
.topbar .lang a.is-active { color: var(--teal); }

/* ---------- header / nav ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96);
  backdrop-filter: saturate(140%) blur(8px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.5rem;
  color: var(--charcoal); letter-spacing: -.02em; }
.brand b { color: var(--charcoal); font-weight: 800; }
.brand span { color: var(--teal); }
.brand small { display:block; font-size: .55rem; letter-spacing: .22em; font-weight: 700;
  color: var(--muted); text-transform: uppercase; margin-top: 2px; }
.nav__links { display: flex; align-items: center; gap: 4px; list-style: none; padding: 0; margin: 0; }
.nav__links > li { position: relative; }
.nav__links > li > a { display: inline-flex; align-items: center; gap: 5px; padding: 10px 14px;
  font-weight: 600; color: var(--charcoal); border-radius: 8px; font-size: .98rem; }
.nav__links > li > a:hover, .nav__links > li.is-open > a { background: var(--teal-light); color: var(--teal-dark); }
.nav__links .caret { width: 8px; height: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px); opacity: .6; }
/* dropdown */
.submenu { position: absolute; top: calc(100% + 6px); left: 0; min-width: 256px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
  padding: 8px; opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .2s var(--ease); list-style: none; }
.nav__links > li:hover .submenu, .nav__links > li:focus-within .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.submenu a { display: block; padding: 9px 14px; border-radius: 7px; color: var(--charcoal-2); font-size: .95rem; font-weight: 500; }
.submenu a:hover { background: var(--teal-light); color: var(--teal-dark); }
.nav__cta { display: flex; align-items: center; gap: 12px; }
.nav__toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav__toggle span { display: block; width: 24px; height: 2px; background: var(--charcoal); margin: 5px 0; transition: .25s; }

/* mobile nav */
@media (max-width: 980px) {
  .nav__cta .btn { display: none; }
  .nav__toggle { display: block; }
  .nav__links { position: fixed; inset: 0 0 0 auto; width: min(360px, 86vw); background: #fff;
    flex-direction: column; align-items: stretch; gap: 0; padding: 84px 16px 32px; overflow-y: auto;
    box-shadow: var(--shadow-lg); transform: translateX(100%); transition: transform .3s var(--ease); }
  body.nav-open .nav__links { transform: translateX(0); }
  body.nav-open .nav__toggle span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  body.nav-open .nav__toggle span:nth-child(2){ opacity: 0; }
  body.nav-open .nav__toggle span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
  .nav__links > li > a { padding: 13px 12px; border-radius: 8px; }
  .submenu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none;
    border: 0; border-left: 2px solid var(--teal-light); margin: 2px 0 6px 12px; padding: 2px 0; min-width: 0; }
  .nav__scrim { position: fixed; inset: 0; background: rgba(0,0,0,.4); opacity: 0; visibility: hidden; transition: .3s; z-index: 99; }
  body.nav-open .nav__scrim { opacity: 1; visibility: visible; }
}

/* ---------- hero ---------- */
.hero { position: relative; background: linear-gradient(160deg, var(--teal-50) 0%, #fff 60%); overflow: hidden; }
.hero::after { content:""; position:absolute; right:-120px; top:-120px; width:420px; height:420px;
  background: radial-gradient(circle, rgba(43,138,138,.14), transparent 70%); border-radius: 50%; }
.hero__inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center;
  padding: clamp(48px, 6vw, 84px) 0; position: relative; z-index: 1; }
.hero h1 span { color: var(--teal); }
.hero p.lead { margin-top: 18px; font-size: 1.18rem; }
.hero__cta { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero__media { position: relative; }
.hero__media img { border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.hero__badge { position: absolute; bottom: -22px; left: -22px; background: #fff; border-radius: var(--radius-sm);
  box-shadow: var(--shadow); padding: 14px 18px; display: flex; align-items: center; gap: 12px; }
.hero__badge b { font-size: 1.5rem; color: var(--teal); }
.hero__badge small { color: var(--muted); font-size: .8rem; line-height: 1.3; }
@media (max-width: 860px){ .hero__inner { grid-template-columns: 1fr; gap: 32px; } .hero__media { order: -1; } }

/* trust strip */
.trust { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.trust__inner { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; justify-content: center; padding: 22px 0; }
.trust img { height: 52px; width: auto; filter: grayscale(1); opacity: .7; transition: .25s; }
.trust img:hover { filter: none; opacity: 1; }
.trust .label { font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }

/* ---------- cards / grid ---------- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2,1fr); }
.grid--3 { grid-template-columns: repeat(3,1fr); }
.grid--4 { grid-template-columns: repeat(4,1fr); }
@media (max-width: 900px){ .grid--3,.grid--4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px){ .grid--2,.grid--3,.grid--4 { grid-template-columns: 1fr; } }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow-sm); transition: transform .25s var(--ease), box-shadow .25s var(--ease); display: flex; flex-direction: column; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card__icon { width: 50px; height: 50px; border-radius: 12px; background: var(--teal-light); color: var(--teal-dark);
  display: grid; place-items: center; margin-bottom: 16px; }
.card__icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: 8px; }
.card p { font-size: .97rem; flex: 1; }
.card .card__link { margin-top: 16px; font-weight: 700; display: inline-flex; align-items: center; gap: 6px; }
.card .card__link::after { content: "→"; transition: transform .2s var(--ease); }
.card:hover .card__link::after { transform: translateX(4px); }

/* feature list */
.checklist { list-style: none; padding: 0; display: grid; gap: 12px; }
.checklist li { position: relative; padding-left: 34px; color: var(--charcoal-2); }
.checklist li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 22px; height: 22px;
  background: var(--teal-light); color: var(--teal-dark); border-radius: 50%; display: grid; place-items: center;
  font-size: .8rem; font-weight: 800; }

/* split content */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split img { border-radius: var(--radius); box-shadow: var(--shadow); }
@media (max-width: 800px){ .split { grid-template-columns: 1fr; gap: 28px; } }

/* prose */
.prose { max-width: 760px; }
.prose h2 { margin: 1.6em 0 .5em; }
.prose h3 { margin: 1.4em 0 .4em; color: var(--teal-dark); }
.prose h4 { margin: 1.2em 0 .3em; font-size: 1.05rem; }
.prose p { margin: 0 0 1em; }
.prose ul, .prose ol { margin: 0 0 1.2em; display: grid; gap: 7px; }
.prose blockquote { border-left: 4px solid var(--teal); background: var(--teal-50); padding: 14px 20px;
  border-radius: 0 8px 8px 0; margin: 1.2em 0; color: var(--charcoal); }
.prose a { font-weight: 600; }

/* price/info box */
.infobox { background: var(--teal-50); border: 1px solid var(--teal-light); border-radius: var(--radius); padding: 24px 26px; }
.infobox h3 { color: var(--teal-dark); margin-bottom: 6px; }
.price { font-size: 2rem; font-weight: 800; color: var(--charcoal); }

/* accordion */
.acc { border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; background: #fff; }
.acc + .acc { margin-top: 12px; }
.acc summary { cursor: pointer; padding: 18px 22px; font-weight: 700; color: var(--charcoal);
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "+"; font-size: 1.4rem; color: var(--teal); font-weight: 400; transition: transform .2s; }
.acc[open] summary::after { transform: rotate(45deg); }
.acc__body { padding: 0 22px 20px; color: var(--charcoal-2); }

/* testimonials */
.quote { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
  box-shadow: var(--shadow-sm); }
.quote p { font-style: italic; color: var(--charcoal); }
.quote .who { margin-top: 14px; font-weight: 700; color: var(--teal-dark); font-style: normal; }
.quote .stars { color: var(--gold); letter-spacing: 2px; margin-bottom: 10px; }

/* stats */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; text-align: center; }
.stats .num { font-size: clamp(2rem,4vw,2.8rem); font-weight: 800; color: var(--teal); line-height: 1; }
.stats .lbl { color: var(--muted); font-size: .92rem; margin-top: 6px; }
@media (max-width:620px){ .stats { grid-template-columns: repeat(2,1fr); gap: 28px 16px; } }

/* CTA band */
.cta-band { background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%); color: #fff; border-radius: var(--radius); padding: clamp(32px,5vw,56px); text-align: center; box-shadow: var(--shadow); }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.92); margin: 12px auto 26px; max-width: 52ch; }

/* breadcrumb */
.crumbs { font-size: .85rem; color: var(--muted); padding: 16px 0; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--teal); }

/* page header */
.page-head { background: linear-gradient(160deg, var(--teal-50), #fff); border-bottom: 1px solid var(--line); }
.page-head__inner { padding: clamp(28px,4vw,52px) 0; }
.page-head h1 { max-width: 20ch; }
.page-head p { margin-top: 14px; max-width: 60ch; font-size: 1.1rem; }

/* contact mini-card */
.contact-card { display: flex; align-items: center; gap: 16px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm); }
.contact-card .avatar { width: 64px; height: 64px; border-radius: 50%; background: var(--teal); color: #fff;
  display: grid; place-items: center; font-weight: 800; font-size: 1.3rem; flex: none; }
.contact-card b { color: var(--charcoal); display: block; }
.contact-card small { color: var(--muted); }

/* forms */
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 6px; color: var(--charcoal); }
.field input, .field select, .field textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--line);
  border-radius: var(--radius-sm); font: inherit; font-size: .98rem; background: #fff; transition: border .2s; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px var(--teal-light); }
.form-card { background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); }

/* ---------- footer ---------- */
.site-footer { background: var(--charcoal); color: rgba(255,255,255,.72); padding-top: 56px; font-size: .92rem; }
.site-footer a { color: rgba(255,255,255,.72); }
.site-footer a:hover { color: #fff; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 40px; }
@media (max-width: 860px){ .footer__grid { grid-template-columns: 1fr 1fr; gap: 28px; } }
@media (max-width: 520px){ .footer__grid { grid-template-columns: 1fr; } }
.footer__grid h4 { color: #fff; font-size: .95rem; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 14px; }
.footer__grid ul { list-style: none; padding: 0; display: grid; gap: 9px; }
.footer__brand .brand { color: #fff; }
.footer__brand .brand b { color: #fff; }
.footer__brand p { color: rgba(255,255,255,.6); margin-top: 14px; font-size: .9rem; }
.footer__contact { margin-top: 14px; line-height: 1.8; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0; display: flex; gap: 16px;
  justify-content: space-between; flex-wrap: wrap; font-size: .85rem; color: rgba(255,255,255,.5); }
.footer__bottom a { color: rgba(255,255,255,.6); }

/* tables */
table.data { width: 100%; border-collapse: collapse; margin: 1.2em 0; font-size: .95rem; }
table.data th, table.data td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); }
table.data thead th { background: var(--teal-light); color: var(--teal-dark); font-weight: 700; }
table.data tbody tr:nth-child(even) { background: var(--bg-soft); }

/* utilities */
.mt-0{margin-top:0}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:40px}
.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}
.maxw{max-width:760px}.maxw-c{max-width:760px;margin-inline:auto}
.hide{display:none}