/* =================================
ABI EXTRA – MOBILE FIRST
================================= */

:root{
  --abi-bg-1:
    radial-gradient(circle at 20% 10%, rgba(0,113,227,0.08), transparent 48%),
    linear-gradient(to bottom, #f5f7fb, #eef3f9);

  --abi-bg-2:
    linear-gradient(to bottom, #f8fafc, #f2f5fa);

  --abi-bg-3:
    linear-gradient(to bottom, #f7f4fb, #f1edf7);

  --abi-bg-4:
    linear-gradient(to bottom, #f7faf6, #eef5f0);

  --abi-card-bg: rgba(255,255,255,0.78);
  --abi-card-border: rgba(255,255,255,0.62);
  --abi-shadow: 0 18px 48px rgba(0,0,0,0.08);
  --abi-shadow-hover: 0 24px 70px rgba(0,0,0,0.14);
  --abi-radius-xl: 32px;
  --abi-radius-lg: 26px;
  --abi-radius-md: 22px;
}

@media (prefers-color-scheme: dark){
  :root{
    --abi-bg-1:
      radial-gradient(circle at 20% 10%, rgba(80,120,180,0.14), transparent 52%),
      linear-gradient(to bottom, #121820, #0f141a);

    --abi-bg-2:
      linear-gradient(to bottom, #121820, #0f141a);

    --abi-bg-3:
      linear-gradient(to bottom, #151a24, #0f141a);

    --abi-bg-4:
      linear-gradient(to bottom, #121a18, #0f141a);

    --abi-card-bg: rgba(255,255,255,0.04);
    --abi-card-border: rgba(255,255,255,0.08);
    --abi-shadow: 0 18px 50px rgba(0,0,0,0.42);
    --abi-shadow-hover: 0 28px 80px rgba(0,0,0,0.55);
  }
}


/* =================================
SECTION BACKGROUNDS
================================= */

.abi-bg-1{
  background: var(--abi-bg-1);
}

.abi-bg-2{
  background: var(--abi-bg-2);
}

.abi-bg-3{
  background: var(--abi-bg-3);
}

.abi-bg-4{
  background: var(--abi-bg-4);
}


/* =================================
INTRO
================================= */

.section-abi-intro{
  position: relative;
  padding: 34px 0 78px;
}

.abi-intro-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
}

.abi-intro-copy{
  max-width: 760px;
}

.abi-intro-copy .section-title{
  max-width: 980px;
}

.abi-intro-copy .mini-info{
  max-width: 720px;
}

.abi-intro-visual{
  width: 100%;
}

.abi-intro-visual img{
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: var(--abi-shadow);
}


/* =================================
LERNBEREICH
================================= */

/* =================================
PRÜFUNGSVORBEREITUNG
================================= */

.section-abi-exam{
  position: relative;
}

.abi-exam-card{
  margin: 38px auto 0;
  max-width: 860px;
  padding: 28px 22px;
  border-radius: var(--abi-radius-xl);
  background: var(--abi-card-bg);
  border: 1px solid var(--abi-card-border);
  box-shadow: var(--abi-shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  text-align: center;
}

.abi-exam-copy h3{
  font-size: clamp(1.34rem, 3vw, 1.8rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.abi-exam-copy p{
  margin-top: 14px;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.65;
  max-width: 700px;
  margin-inline: auto;
}


/* =================================
LEHRKRÄFTE
================================= */

.section-abi-teachers{
  position: relative;
}

.section-abi-teachers .eduki-carousel{
  margin-top: 38px;
}


/* =================================
VIDEO OVERLAY
================================= */

.abi-video-overlay{
  position: fixed;
  inset: 0;
  z-index: 5000;
  opacity: 0;
  pointer-events: none;
  transition: opacity .24s ease;
}

.abi-video-overlay.is-open{
  opacity: 1;
  pointer-events: auto;
}

.abi-video-backdrop{
  position: absolute;
  inset: 0;
  background: rgba(8,10,14,0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.abi-video-modal{
  position: relative;
  width: min(92vw, 980px);
  margin: 8vh auto 0;
  border-radius: 26px;
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.45);
  box-shadow: 0 28px 90px rgba(0,0,0,0.28);
  overflow: hidden;
}

.abi-video-close{
  position: absolute;
  top: 10px;
  right: 10px;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 999px;
  background: rgba(0,0,0,0.08);
  color: #111;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  z-index: 3;
  transition: transform .18s ease, background .18s ease;
}

.abi-video-close:hover{
  transform: scale(1.05);
  background: rgba(0,0,0,0.14);
}

.abi-video-frame-wrap{
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}

.abi-video-frame-wrap iframe{
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}


/* =================================
TABLET
================================= */

@media (min-width: 740px){

  .section-abi-intro{
    padding: 46px 0 96px;
  }

  .abi-intro-grid{
    gap: 42px;
  }

  .abi-intro-visual img{
    max-height: 360px;
    border-radius: 28px;
  }

  .abi-module-stack{
    margin-top: 46px;
    gap: 26px;
  }

  .abi-module-card{
    padding: 30px 28px;
  }

  .abi-unit-list{
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .abi-exam-card{
    margin-top: 46px;
    padding: 36px 30px;
  }

  .section-abi-teachers .eduki-carousel{
    margin-top: 46px;
  }

  .abi-video-modal{
    margin-top: 10vh;
    border-radius: 30px;
  }
}


/* =================================
DESKTOP
================================= */

@media (min-width: 1024px){

  .abi-intro-grid{
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 64px;
  }

  .abi-intro-visual{
    justify-self: end;
    width: 100%;
    max-width: 500px;
  }

  .abi-intro-visual img{
    max-height: 420px;
  }

  .abi-module-card{
    padding: 34px 32px;
  }

  .abi-exam-card{
    padding: 42px 38px;
  }
}


/* =================================
DARK MODE DETAILS
================================= */

@media (prefers-color-scheme: dark){

  .abi-module-card{
    background: var(--abi-card-bg);
    border-color: var(--abi-card-border);
  }

  .abi-unit-list a{
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    box-shadow: 0 14px 36px rgba(0,0,0,0.34);
  }

  .abi-unit-list a:hover{
    box-shadow: 0 22px 56px rgba(0,0,0,0.42);
  }

  .abi-unit-kicker{
    color: #7db6ff;
  }

  .abi-exam-card{
    background: var(--abi-card-bg);
    border-color: var(--abi-card-border);
  }

  .abi-video-modal{
    background: rgba(24,28,36,0.94);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 30px 100px rgba(0,0,0,0.55);
  }

  .abi-video-close{
    background: rgba(255,255,255,0.08);
    color: #fff;
  }

  .abi-video-close:hover{
    background: rgba(255,255,255,0.14);
  }
}


/* =================================
   HERO / TOPIC INTRO
================================= */

.topic-intro{
  position: relative;
  overflow: hidden;
  padding: 56px 0 28px;
  background:
    radial-gradient(circle at top left, rgba(70, 130, 255, 0.10), transparent 32%),
    linear-gradient(180deg, #f7f9fc 0%, #f3f5f8 100%);
}

.topic-intro .content-container{
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  gap: 28px;
  align-items: center;
}

.intro-text{
  max-width: 760px;
}

.topic-intro .eyebrow{
  display: inline-block;
  margin-bottom: 14px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6e6e73;
}

.topic-intro h1{
  margin: 0;
  font-size: clamp(2rem, 7vw, 4.25rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  font-weight: 700;
  color: #1d1d1f;
  text-wrap: balance;
}

.topic-intro p{
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 1.05rem;
  line-height: 1.7;
  color: #5f6368;
}

.topic-intro .intro-focus{
  margin-top: 20px;
  font-size: 1rem;
  line-height: 1.6;
  font-weight: 600;
  color: #1d1d1f;
}

.intro-image-container{
  position: relative;
  width: 100%;
  max-width: 540px;
  margin: 0 auto;
}

.intro-image-container img{
  display: block;
  width: 100%;
  height: auto;
  border-radius: 28px;
  object-fit: cover;
  box-shadow:
    0 18px 50px rgba(15, 23, 42, 0.10),
    0 4px 16px rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(255,255,255,0.7);
}

/* Tablet */
@media (min-width: 740px){

  .topic-intro{
    padding: 72px 0 40px;
  }

  .topic-intro .content-container{
    padding: 0 28px;
    gap: 34px;
  }

  .topic-intro p{
    font-size: 1.08rem;
  }

  .intro-image-container{
    max-width: 620px;
  }
}

/* Desktop */
@media (min-width: 1024px){

  .topic-intro{
    padding: 88px 0 54px;
  }

  .topic-intro .content-container{
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 56px;
    padding: 0 32px;
  }

  .intro-text{
    max-width: 760px;
  }

  .intro-image-container{
    max-width: 100%;
    margin: 0;
    justify-self: end;
  }

  .intro-image-container img{
    border-radius: 34px;
  }
}

/* Large Desktop */
@media (min-width: 1280px){

  .topic-intro .content-container{
    gap: 72px;
  }

  .topic-intro p{
    font-size: 1.12rem;
  }
}

/* Dark Mode */
@media (prefers-color-scheme: dark){

  .topic-intro{
    background:
      radial-gradient(circle at top left, rgba(98, 160, 255, 0.12), transparent 34%),
      linear-gradient(180deg, #0f1722 0%, #111827 100%);
  }

  .topic-intro .eyebrow{
    color: rgba(255,255,255,0.62);
  }

  .topic-intro h1{
    color: #f5f7fa;
  }

  .topic-intro p{
    color: rgba(245,247,250,0.74);
  }

  .topic-intro .intro-focus{
    color: #ffffff;
  }

  .intro-image-container img{
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow:
      0 22px 60px rgba(0,0,0,0.34),
      0 8px 24px rgba(0,0,0,0.24);
  }
}

/* =================================
   LERNBEREICH / ABI CHAPTERS
================================= */

.section-abi-learning{
  position: relative;
  padding: 64px 0;
  background:
    linear-gradient(180deg, #f1f2f5 0%, #eceef2 100%);
}

.section-abi-learning .container{
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: 0 20px;
}

.section-abi-learning .centered-text{
  max-width: 900px;
  margin: 0 auto 34px;
  text-align: center;
}

.section-abi-learning .eyebrow{
  display: inline-block;
  margin-bottom: 12px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6e6e73;
}

.section-abi-learning .section-title{
  margin: 0;
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
  font-weight: 700;
  color: #1d1d1f;
  text-wrap: balance;
}

.section-abi-learning .mini-info{
  margin: 16px auto 0;
  max-width: 760px;
  font-size: 1.04rem;
  line-height: 1.7;
  color: #6b6f76;
}

.abi-chapter-stack{
  display: grid;
  gap: 20px;
  margin-top: 34px;
}

.abi-chapter-card{
  position: relative;
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(255,255,255,0.72);
  border-radius: 30px;
  padding: 22px 18px 18px;
  box-shadow:
    0 16px 40px rgba(15, 23, 42, 0.06),
    inset 0 1px 0 rgba(255,255,255,0.65);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.abi-chapter-meta{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #0b63d8;
}

.abi-chapter-card h3{
  margin: 0;
  font-size: clamp(1.35rem, 4.5vw, 2rem);
  line-height: 1.14;
  letter-spacing: -0.035em;
  font-weight: 680;
  color: #1d1d1f;
  text-wrap: balance;
}

.abi-chapter-card p{
  margin: 12px 0 0;
  max-width: 60ch;
  font-size: 0.99rem;
  line-height: 1.65;
  color: #6a6e75;
}

.abi-unit-list{
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.abi-unit-list li{
  margin: 0;
  padding: 0;
}

.abi-unit-list a{
  display: block;
  text-decoration: none;
  color: inherit;
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(255,255,255,0.82);
  border-radius: 24px;
  padding: 16px 16px 18px;
  box-shadow:
    0 10px 24px rgba(15, 23, 42, 0.05),
    inset 0 1px 0 rgba(255,255,255,0.55);
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    border-color 0.22s ease,
    background 0.22s ease;
}

.abi-unit-list a:hover{
  transform: translateY(-2px);
  box-shadow:
    0 18px 34px rgba(15, 23, 42, 0.08),
    inset 0 1px 0 rgba(255,255,255,0.62);
}

.abi-unit-list a:focus-visible{
  outline: 2px solid #0b63d8;
  outline-offset: 3px;
}

.abi-unit-kicker{
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  color: #0b63d8;
}

.abi-unit-title{
  display: block;
  margin-top: 8px;
  font-size: 1rem;
  line-height: 1.42;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: #1d1d1f;
}

/* Tablet */
@media (min-width: 740px){

  .section-abi-learning{
    padding: 78px 0;
  }

  .section-abi-learning .container{
    padding: 0 28px;
  }

  .section-abi-learning .centered-text{
    margin-bottom: 40px;
  }

  .section-abi-learning .mini-info{
    font-size: 1.08rem;
  }

  .abi-chapter-stack{
    gap: 24px;
    margin-top: 40px;
  }

  .abi-chapter-card{
    padding: 26px 24px 22px;
    border-radius: 34px;
  }

  .abi-unit-list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .abi-unit-list a{
    min-height: 132px;
    padding: 18px 18px 20px;
    border-radius: 26px;
  }

  .abi-unit-title{
    font-size: 1.04rem;
  }
}

/* Desktop */
@media (min-width: 1024px){

  .section-abi-learning{
    padding: 96px 0;
  }

  .section-abi-learning .container{
    padding: 0 32px;
  }

  .section-abi-learning .centered-text{
    margin-bottom: 48px;
  }

  .abi-chapter-stack{
    gap: 28px;
    margin-top: 46px;
  }

  .abi-chapter-card{
    padding: 32px 30px 28px;
    border-radius: 38px;
  }

  .abi-chapter-card p{
    font-size: 1.02rem;
  }

  .abi-unit-list a{
    min-height: 140px;
    padding: 20px 20px 22px;
  }

  .abi-unit-list a:hover{
    transform: translateY(-3px);
  }
}

/* Large screens */
@media (min-width: 1280px){

  .abi-chapter-card{
    padding: 36px 34px 30px;
  }

  .abi-unit-title{
    font-size: 1.08rem;
  }
}

/* Dark Mode */
@media (prefers-color-scheme: dark){

  .section-abi-learning{
    background:
      linear-gradient(180deg, #111722 0%, #0d141d 100%);
  }

  .section-abi-learning .eyebrow{
    color: rgba(255,255,255,0.62);
  }

  .section-abi-learning .section-title{
    color: #f5f7fa;
  }

  .section-abi-learning .mini-info{
    color: rgba(245,247,250,0.72);
  }

  .abi-chapter-card{
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow:
      0 22px 48px rgba(0,0,0,0.30),
      inset 0 1px 0 rgba(255,255,255,0.04);
  }

  .abi-chapter-meta{
    color: #7db6ff;
  }

  .abi-chapter-card h3{
    color: #f5f7fa;
  }

  .abi-chapter-card p{
    color: rgba(245,247,250,0.70);
  }

  .abi-unit-list a{
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    box-shadow:
      0 14px 28px rgba(0,0,0,0.24),
      inset 0 1px 0 rgba(255,255,255,0.03);
  }

  .abi-unit-list a:hover{
    box-shadow:
      0 20px 38px rgba(0,0,0,0.30),
      inset 0 1px 0 rgba(255,255,255,0.04);
  }

  .abi-unit-kicker{
    color: #7db6ff;
  }

  .abi-unit-title{
    color: #f5f7fa;
  }

  .abi-unit-list a:focus-visible{
    outline: 2px solid #7db6ff;
  }
}

/* =================================
   ABI VIDEO SECTION
================================= */

.section-abi-video{
  position: relative;
  padding: 72px 0;
  background:
    linear-gradient(180deg, #ffffff 0%, #f8f9fb 100%);
}

.section-abi-video .container{
  width: min(100%, 980px);
  margin: 0 auto;
  padding: 0 20px;
}

.section-abi-video .centered-text{
  text-align: center;
}

.section-abi-video .eyebrow{
  display: inline-block;
  margin-bottom: 12px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6e6e73;
}

.section-abi-video .section-title{
  margin: 0;
  font-size: clamp(2rem, 6vw, 3.8rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
  font-weight: 700;
  color: #1d1d1f;
  text-wrap: balance;
}

.section-abi-video .mini-info{
  margin: 14px auto 0;
  max-width: 580px;
  font-size: 1rem;
  line-height: 1.65;
  color: #6b6f76;
}

.video-open-btn{
  margin-top: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 22px;
  border: none;
  border-radius: 999px;
  background: #1d1d1f;
  color: #ffffff;
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(0,0,0,0.14);
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    background 0.22s ease;
}

.video-open-btn:hover{
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(0,0,0,0.16);
}

.video-open-btn:focus-visible{
  outline: 2px solid #0b63d8;
  outline-offset: 3px;
}

.video-open-btn i{
  font-size: 1rem;
}

/* =================================
   VIDEO OVERLAY
================================= */

.video-overlay{
  position: fixed;
  inset: 0;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.28s ease,
    visibility 0.28s ease;
}

.video-overlay.is-open{
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.video-overlay-backdrop{
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 14, 0.68);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.video-modal{
  position: relative;
  width: min(92vw, 1100px);
  margin: 8vh auto 0;
  background: rgba(255,255,255,0.82);
  border: 1px solid rgba(255,255,255,0.72);
  border-radius: 28px;
  padding: 18px;
  box-shadow:
    0 28px 70px rgba(0,0,0,0.28),
    inset 0 1px 0 rgba(255,255,255,0.6);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

.video-close-btn{
  position: absolute;
  top: 12px;
  right: 12px;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 999px;
  background: rgba(255,255,255,0.92);
  color: #1d1d1f;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(0,0,0,0.12);
  transition: transform 0.2s ease, background 0.2s ease;
  z-index: 2;
}

.video-close-btn:hover{
  transform: scale(1.04);
}

.video-close-btn:focus-visible{
  outline: 2px solid #0b63d8;
  outline-offset: 3px;
}

.video-frame-wrap{
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 20px;
  overflow: hidden;
  background: #000;
}

.video-frame-wrap iframe{
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* Tablet */
@media (min-width: 740px){

  .section-abi-video{
    padding: 86px 0;
  }

  .section-abi-video .container{
    padding: 0 28px;
  }

  .section-abi-video .mini-info{
    font-size: 1.04rem;
  }

  .video-open-btn{
    min-height: 58px;
    padding: 0 26px;
    font-size: 1rem;
  }

  .video-modal{
    border-radius: 32px;
    padding: 22px;
  }

  .video-frame-wrap{
    border-radius: 24px;
  }
}

/* Desktop */
@media (min-width: 1024px){

  .section-abi-video{
    padding: 100px 0;
  }

  .section-abi-video .container{
    padding: 0 32px;
  }

  .video-modal{
    margin-top: 6vh;
    padding: 24px;
  }
}

/* Dark Mode */
@media (prefers-color-scheme: dark){

  .section-abi-video{
    background:
      linear-gradient(180deg, #0d1118 0%, #101722 100%);
  }

  .section-abi-video .eyebrow{
    color: rgba(255,255,255,0.62);
  }

  .section-abi-video .section-title{
    color: #f5f7fa;
  }

  .section-abi-video .mini-info{
    color: rgba(245,247,250,0.72);
  }

  .video-open-btn{
    background: #f5f7fa;
    color: #111827;
    box-shadow: 0 16px 30px rgba(0,0,0,0.22);
  }

  .video-open-btn:hover{
    box-shadow: 0 20px 36px rgba(0,0,0,0.28);
  }

  .video-open-btn:focus-visible{
    outline: 2px solid #7db6ff;
  }

  .video-overlay-backdrop{
    background: rgba(3, 6, 12, 0.76);
  }

  .video-modal{
    background: rgba(17, 24, 39, 0.82);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow:
      0 30px 80px rgba(0,0,0,0.44),
      inset 0 1px 0 rgba(255,255,255,0.04);
  }

  .video-close-btn{
    background: rgba(255,255,255,0.10);
    color: #f5f7fa;
    box-shadow: 0 10px 24px rgba(0,0,0,0.22);
  }

  .video-close-btn:focus-visible{
    outline: 2px solid #7db6ff;
  }
}

/* =========================
   ABI PREP ACTIONS – APPLE SOFT COLOR
   ========================= */

.abi-prep-actions{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
  margin-top:24px;
}

.abi-prep-btn{
  width:min(100%, 440px);
  min-height:60px;

  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;

  padding:0 22px;
  border:none;
  border-radius:999px;

  text-decoration:none;
  font-size:16px;
  font-weight:600;
  line-height:1.1;
  letter-spacing:-0.01em;
  text-align:center;

  -webkit-appearance:none;
  appearance:none;
  cursor:pointer;

  transition:
    transform 0.18s ease,
    box-shadow 0.22s ease,
    background 0.22s ease,
    color 0.22s ease,
    opacity 0.2s ease;
}

.abi-prep-btn i{
  font-size:18px;
  line-height:1;
}

.abi-prep-btn:hover{
  transform:translateY(-1px);
}

.abi-prep-btn:active{
  transform:translateY(0);
}

.abi-prep-btn:link,
.abi-prep-btn:visited,
.abi-prep-btn:hover,
.abi-prep-btn:active{
  text-decoration:none;
}

/* Button 1 – kühl blau */
.abi-prep-btn-sheet,
.abi-prep-btn-sheet:link,
.abi-prep-btn-sheet:visited{
  background:linear-gradient(180deg,#dce9ff 0%,#cddfff 100%);
  color:#17345f;
  box-shadow:
    0 8px 20px rgba(80,110,170,0.10),
    inset 0 1px 0 rgba(255,255,255,0.45);
}

/* Button 2 – neutral dunkel */
.abi-prep-btn-video,
.abi-prep-btn-video:link,
.abi-prep-btn-video:visited{
  background:linear-gradient(180deg,#2b2d35 0%,#1f2128 100%);
  color:#ffffff;
  box-shadow:
    0 10px 24px rgba(0,0,0,0.14),
    inset 0 1px 0 rgba(255,255,255,0.05);
}

/* Button 3 – warm gold */
.abi-prep-btn-solution,
.abi-prep-btn-solution:link,
.abi-prep-btn-solution:visited{
  background:linear-gradient(180deg,#f4df9d 0%,#e8cf82 100%);
  color:#5b4300;
  box-shadow:
    0 8px 20px rgba(140,108,24,0.12),
    inset 0 1px 0 rgba(255,255,255,0.38);
}

.abi-prep-btn:focus-visible{
  outline:3px solid rgba(120,160,255,0.22);
  outline-offset:3px;
}

/* =========================
   DARK MODE
   ========================= */

@media (prefers-color-scheme: dark){

  .abi-prep-actions{
    gap:12px;
  }

  .abi-prep-btn-sheet,
  .abi-prep-btn-sheet:link,
  .abi-prep-btn-sheet:visited{
    background:linear-gradient(180deg,#314562 0%,#26364d 100%);
    color:#eef4ff;
    box-shadow:
      0 12px 26px rgba(0,0,0,0.22),
      inset 0 1px 0 rgba(255,255,255,0.05);
  }

  .abi-prep-btn-video,
  .abi-prep-btn-video:link,
  .abi-prep-btn-video:visited{
    background:linear-gradient(180deg,#2d3038 0%,#1e2027 100%);
    color:#ffffff;
    box-shadow:
      0 12px 26px rgba(0,0,0,0.26),
      inset 0 1px 0 rgba(255,255,255,0.05);
  }

  .abi-prep-btn-solution,
  .abi-prep-btn-solution:link,
  .abi-prep-btn-solution:visited{
    background:linear-gradient(180deg,#7a6528 0%,#5f4d1d 100%);
    color:#fff2cc;
    box-shadow:
      0 12px 26px rgba(0,0,0,0.24),
      inset 0 1px 0 rgba(255,255,255,0.04);
  }

  .abi-prep-btn:focus-visible{
    outline:3px solid rgba(153,190,255,0.28);
  }
}