.tbm-wrapper{
  --tbm-font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --tbm-font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  font-family: var(--tbm-font-body);
  color:var(--text-primary);
  position:relative;
  background:
    radial-gradient(54rem 30rem at 104% -6%, rgba(0,156,166,.07), transparent 62%),
    radial-gradient(46rem 26rem at -8% 46%, rgba(0,48,87,.04), transparent 58%),
    var(--bg-body);
}

/* çok hafif kılavuz-kağıdı dokusu — laboratuvar defteri hissi, göz yormayacak kadar soluk */
.tbm-wrapper::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(0,48,87,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,48,87,.028) 1px, transparent 1px);
  background-size: 2.75rem 2.75rem;
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.9), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0,0,0,.9), transparent 78%);
  pointer-events:none;
}

.tbm-container{
  position:relative;
  max-width:var(--container-w);
  margin:0 auto;
  padding:4rem 1.5rem 5.5rem;
  display:grid;
  grid-template-columns: 19rem 1fr;
  gap:3.5rem;
  align-items:start;
}

/* ==========================================================================
   ASIDE — SOL YÖNLENDİRME SÜTUNU
   ========================================================================== */
.tbm-aside{
  align-self:start;
  position:sticky;
  top:calc(var(--navbar-h) + 1.5rem);
}
.tbm-aside-inner{
  display:grid;
  gap:1.75rem;
}

.tbm-aside-nav{
  background:var(--bg-body);
  border:var(--border-hairline);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
}
.tbm-aside-title{
  margin:0;
  padding:1.125rem 1.375rem .875rem;
  font-family: var(--tbm-font-display);
  font-style:italic;
  font-weight:500;
  font-size:var(--fs-sm);
  letter-spacing:.01em;
  color:var(--color-primary);
  border-bottom:1px solid var(--gray-100);
}

.tbm-aside-list{
  counter-reset: tbm-nav;
  list-style:none;
  margin:0;
  padding:.5rem;
  display:grid;
}
.tbm-aside-item{
  counter-increment: tbm-nav;
}
.tbm-aside-link{
  position:relative;
  display:flex;
  align-items:baseline;
  gap:.75rem;
  padding:.75rem .75rem .75rem .5rem;
  border-radius:var(--radius-sm);
  font-size:var(--fs-sm);
  font-weight:500;
  color:var(--text-secondary);
  transition:background var(--transition-fast), color var(--transition-fast);
}
.tbm-aside-link::before{
  content: counter(tbm-nav, decimal-leading-zero);
  font-family: var(--tbm-font-display);
  font-size:var(--fs-xs);
  color:var(--gray-400);
  font-variant-numeric: tabular-nums;
  transition:color var(--transition-fast);
}
.tbm-aside-link:hover{
  background:var(--gray-50);
  color:var(--color-primary);
}
.tbm-aside-item--active .tbm-aside-link{
  color:var(--color-secondary-dark);
  font-weight:700;
  background: rgba(0,156,166,.07);
}
.tbm-aside-item--active .tbm-aside-link::before{
  color:var(--color-secondary);
}

.tbm-aside-tags{
  background:var(--bg-body);
  border:var(--border-hairline);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
}
.tbm-tag-list{
  padding:1rem 1.125rem 1.125rem;
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
}
.tbm-tag{
  font-size:var(--fs-2xs);
  font-weight:600;
  letter-spacing:.02em;
  color:var(--color-primary);
  background:transparent;
  border:1px solid var(--gray-300);
  border-radius:var(--radius-pill);
  padding:.375rem .8125rem;
  transition:background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}
.tbm-tag:hover{
  background:var(--color-primary);
  border-color:var(--color-primary);
  color:var(--text-on-dark);
}

.tbm-aside-contact{
  position:relative;
  background:var(--color-primary-dark);
  border-radius:var(--radius-lg);
  padding:1.75rem 1.5rem;
  color:var(--text-on-dark);
  overflow:hidden;
}
.tbm-aside-contact::before{
  content:"";
  position:absolute;
  right:-2.5rem;
  top:-2.5rem;
  width:8rem;
  height:8rem;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.14);
}
.tbm-aside-contact::after{
  content:"";
  position:absolute;
  left:0; right:0; top:0;
  height:2px;
  background:linear-gradient(90deg, var(--color-secondary), transparent 75%);
}
.tbm-aside-contact-title{
  position:relative;
  font-family: var(--tbm-font-display);
  font-size:var(--fs-lg);
  font-weight:500;
  margin:0 0 .5rem;
}
.tbm-aside-contact-text{
  position:relative;
  font-size:var(--fs-xs);
  line-height:1.65;
  color:var(--text-on-dark-70);
  margin:0 0 1.375rem;
  max-width:16rem;
}

/* ==========================================================================
   BUTON SİSTEMİ — kurumsal, iki kademeli (birincil / ikincil)
   Paragraf içi metin linklerinin yerini alır; her CTA bağımsız bir
   eylem birimi olarak metinden ayrıştırılır.
   ========================================================================== */
.tbm-btn-group{
  display:flex;
  flex-wrap:wrap;
  gap:.75rem;
  margin:1.5rem 0 0;
}

.tbm-btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:.625rem;
  padding:.8125rem 1.5rem;
  border-radius:var(--radius-sm);
  font-family: var(--tbm-font-body);
  font-size:var(--fs-sm);
  font-weight:600;
  letter-spacing:.005em;
  line-height:1;
  white-space:nowrap;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background var(--transition-fast), color var(--transition-fast),
             border-color var(--transition-fast), box-shadow var(--transition-fast),
             transform var(--transition-fast);
}
.tbm-btn::after{
  content:"→";
  font-weight:600;
  transition:transform var(--transition-fast);
}
.tbm-btn:hover::after{
  transform:translateX(.1875rem);
}
.tbm-btn:focus-visible{
  outline:2px solid var(--color-secondary);
  outline-offset:2px;
}
.tbm-btn--block{
  width:100%;
  justify-content:center;
}

/* birincil — dolu, yüksek vurgulu tek eylem için */
.tbm-btn--primary{
  background:var(--btn-primary-bg);
  color:var(--btn-primary-text);
  box-shadow:var(--shadow-sm);
}
.tbm-btn--primary:hover{
  background:var(--btn-primary-bg-hover);
  box-shadow:var(--shadow-glow-teal);
  transform:translateY(-2px);
}

/* ikincil — çerçeveli, ilgili sayfa yönlendirmeleri için */
.tbm-btn--outline{
  background:var(--bg-body);
  color:var(--color-primary);
  border-color:var(--gray-300);
}
.tbm-btn--outline:hover{
  border-color:var(--color-primary);
  background:var(--color-primary);
  color:var(--text-on-dark);
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
}

/* koyu zemin üzerinde kullanılan varyant (iletişim kartı gibi) */
.tbm-btn--on-dark{
  background:var(--text-on-dark);
  color:var(--color-primary-dark);
}
.tbm-btn--on-dark:hover{
  background:var(--color-secondary-light);
  color:var(--text-on-dark);
  transform:translateY(-2px);
  box-shadow:var(--shadow-glow-teal);
}

/* ==========================================================================
   ARTICLE — ANA İÇERİK
   ========================================================================== */
.tbm-article{
  min-width:0;
  counter-reset: tbm-section tbm-plate;
}

.tbm-section{
  counter-increment: tbm-section;
  position:relative;
  padding:0 0 3rem 2.5rem;
  margin-bottom:3rem;
  border-bottom:1px solid var(--gray-100);
}
.tbm-section::before{
  /* protokol günlüğü düğümü — bölüm numarasını taşıyan küçük madalyon */
  content: counter(tbm-section, decimal-leading-zero);
  position:absolute;
  left:0;
  top:.125rem;
  width:1.75rem;
  height:1.75rem;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family: var(--tbm-font-display);
  font-size:var(--fs-2xs);
  font-variant-numeric: tabular-nums;
  color:var(--color-secondary-dark);
  background:var(--bg-body);
  border:1px solid var(--color-secondary-light);
  border-radius:50%;
}
.tbm-section::after{
  /* düğümden bir sonrakine uzanan bağlantı çizgisi */
  content:"";
  position:absolute;
  left:.875rem;
  top:1.875rem;
  bottom:-3rem;
  width:1px;
  background:linear-gradient(180deg, var(--gray-300) 0%, transparent 90%);
}
.tbm-section:last-child{
  margin-bottom:0;
  padding-bottom:0;
  border-bottom:none;
}
.tbm-section:last-child::after{
  display:none;
}

.tbm-eyebrow{
  display:block;
  font-family: var(--tbm-font-display);
  font-style:italic;
  font-weight:500;
  font-size:var(--fs-base);
  color:var(--text-accent);
  margin-bottom:.375rem;
}

.tbm-heading{
  font-family: var(--tbm-font-display);
  font-size:1.75rem;
  line-height:1.2;
  font-weight:500;
  color:var(--color-primary);
  margin:0 0 1.25rem;
  letter-spacing:-.01em;
}

.tbm-text{
  font-size:var(--fs-md);
  line-height:1.75;
  color:var(--text-secondary);
  margin:0 0 1.125rem;
  max-width:42rem;
}
.tbm-text:last-of-type{
  margin-bottom:0;
}

.tbm-list{
  counter-reset: tbm-item;
  margin:0 0 1.25rem;
  padding:0;
  list-style:none;
  display:grid;
  gap:0;
  max-width:42rem;
  border-top:1px solid var(--gray-100);
}
.tbm-list li{
  counter-increment: tbm-item;
  position:relative;
  padding:.875rem .25rem .875rem 2rem;
  font-size:var(--fs-sm);
  line-height:1.6;
  color:var(--text-secondary);
  border-bottom:1px solid var(--gray-100);
}
.tbm-list li::before{
  content: counter(tbm-item, lower-alpha) ".";
  position:absolute;
  left:0;
  top:.875rem;
  font-family: var(--tbm-font-display);
  font-style:italic;
  font-size:var(--fs-sm);
  color:var(--color-secondary);
}

/* ---------- hızlı bilgi şeridi — ince ayraçlı ölçüm şeridi ---------- */
.tbm-stats-row{
  display:flex;
  flex-wrap:wrap;
  margin:1.75rem 0 2rem;
  max-width:42rem;
  border-top:1px solid var(--gray-200);
  border-bottom:1px solid var(--gray-200);
}
.tbm-stat-chip{
  flex:1 1 9rem;
  padding:1.125rem 1.25rem 1.125rem 0;
  border-right:1px solid var(--gray-200);
}
.tbm-stat-chip:last-child{
  border-right:none;
}
.tbm-stat-num{
  display:block;
  font-family: var(--tbm-font-display);
  font-size:1.625rem;
  font-weight:500;
  color:var(--color-primary);
  letter-spacing:-.01em;
  line-height:1.15;
}
.tbm-stat-label{
  display:block;
  margin-top:.25rem;
  font-size:var(--fs-2xs);
  font-weight:600;
  letter-spacing:.03em;
  text-transform:uppercase;
  color:var(--text-muted);
}

/* ---------- metin + görsel ikili düzen (split) ---------- */
.tbm-split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:2.75rem;
  align-items:center;
}
.tbm-split--reverse .tbm-split-media{
  order:2;
}
.tbm-split--reverse .tbm-split-content{
  order:1;
}
.tbm-split-content .tbm-text,
.tbm-split-content .tbm-list{
  max-width:none;
}

.tbm-split-media{
  position:relative;
}
.tbm-split-media .tbm-figure{
  margin:0;
  max-width:none;
}

/* ---------- figure / picture — numune plakası imzası ---------- */
.tbm-figure{
  counter-increment: tbm-plate;
  position:relative;
  margin:1.75rem 0 0;
  border-radius:var(--radius-md);
  overflow:hidden;
  background:var(--gray-100);
  border:1px solid var(--gray-200);
  box-shadow:var(--shadow-md);
  max-width:42rem;
}
.tbm-img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
  transition:transform .7s var(--ease-spring);
}
.tbm-figure:hover .tbm-img{
  transform:scale(1.035);
}

.tbm-caption{
  padding:.875rem 1.125rem;
  font-size:var(--fs-xs);
  font-style:italic;
  color:var(--text-muted);
  background:var(--bg-body);
  border-top:1px solid var(--gray-100);
}

/* ---------- genel bilgilendirme ikon listesi ---------- */
.tbm-feature-list{
  counter-reset: tbm-feature;
  list-style:none;
  margin:0 0 1.25rem;
  padding:0;
  display:grid;
  gap:0;
}
.tbm-feature-list li{
  counter-increment: tbm-feature;
  display:flex;
  gap:1rem;
  align-items:flex-start;
  padding:1rem 0;
  border-top:1px solid var(--gray-100);
}
.tbm-feature-icon{
  flex:0 0 auto;
  font-family: var(--tbm-font-display);
  font-size:var(--fs-base);
  font-weight:500;
  color:var(--color-secondary-dark);
  width:1.75rem;
  padding-top:.0625rem;
}
.tbm-feature-icon::before{
  content: counter(tbm-feature, decimal-leading-zero);
}
.tbm-feature-body{
  font-size:var(--fs-sm);
  line-height:1.65;
  color:var(--text-secondary);
}
.tbm-feature-body strong{
  display:block;
  font-family: var(--tbm-font-display);
  font-size:var(--fs-lg);
  font-weight:500;
  color:var(--color-primary-dark);
  margin-bottom:.1875rem;
}

/* ---------- değer / yaklaşım kartları (kurumsal öne çıkanlar) ---------- */
.tbm-value-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:1.5rem;
  margin:2rem 0 .5rem;
}
.tbm-value-card{
  padding:1.5rem 1.375rem;
  background:var(--bg-body);
  border:var(--border-hairline);
  border-radius:var(--radius-md);
  transition:border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}
.tbm-value-card:hover{
  border-color:var(--color-secondary-light);
  box-shadow:var(--shadow-md);
  transform:translateY(-3px);
}
.tbm-value-icon{
  display:block;
  width:.625rem;
  height:.625rem;
  margin-bottom:1.125rem;
  background:var(--color-secondary);
  transform:rotate(45deg);
}
.tbm-value-title{
  font-family: var(--tbm-font-display);
  font-size:var(--fs-base);
  font-weight:500;
  color:var(--color-primary-dark);
  margin:0 0 .5rem;
}
.tbm-value-text{
  font-size:var(--fs-xs);
  line-height:1.65;
  color:var(--text-secondary);
  margin:0;
}

/* ---------- süreç aşamaları — bağlı düğüm zaman çizelgesi ---------- */
.tbm-stage-grid{
  position:relative;
  display:grid;
  grid-template-columns:repeat(5, 1fr);
  gap:1.25rem;
  margin:2.25rem 0 1.75rem;
}
.tbm-stage-grid::before{
  content:"";
  position:absolute;
  left:calc(100% / 10);
  right:calc(100% / 10);
  top:1.125rem;
  height:1px;
  background:var(--gray-300);
  z-index:0;
}
.tbm-stage-card{
  position:relative;
  z-index:1;
  padding:0 .25rem;
}
.tbm-stage-no{
  display:flex;
  align-items:center;
  justify-content:center;
  width:2.25rem;
  height:2.25rem;
  margin:0 0 1rem;
  border-radius:50%;
  background:var(--bg-body);
  border:1.5px solid var(--color-primary);
  color:var(--color-primary);
  font-family: var(--tbm-font-display);
  font-size:var(--fs-sm);
  font-weight:600;
  transition:background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.tbm-stage-card:hover .tbm-stage-no{
  background:var(--color-secondary);
  border-color:var(--color-secondary);
  color:var(--text-on-dark);
}
.tbm-stage-title{
  font-family: var(--tbm-font-display);
  font-size:var(--fs-base);
  font-weight:500;
  color:var(--color-primary-dark);
  margin:0 0 .375rem;
}
.tbm-stage-text{
  font-size:var(--fs-xs);
  line-height:1.6;
  color:var(--text-secondary);
  margin:0;
}

/* ---------- sık sorulan sorular — editoryal akordeon ---------- */
.tbm-faq-list{
  display:grid;
  margin-top:1.5rem;
  max-width:42rem;
  border-top:1px solid var(--gray-200);
}
.tbm-faq-item{
  border-bottom:1px solid var(--gray-200);
  background:transparent;
}
.tbm-faq-question{
  cursor:pointer;
  list-style:none;
  padding:1.25rem .25rem;
  font-family: var(--tbm-font-display);
  font-size:var(--fs-lg);
  font-weight:500;
  color:var(--color-primary);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1.5rem;
}
.tbm-faq-question::-webkit-details-marker{ display:none; }
.tbm-faq-question::after{
  content:"+";
  flex:0 0 auto;
  font-family: var(--tbm-font-body);
  font-size:var(--fs-xl);
  font-weight:400;
  color:var(--color-secondary);
  transition:transform var(--transition-fast);
}
.tbm-faq-item[open] .tbm-faq-question::after{
  content:"+";
  transform:rotate(45deg);
}
.tbm-faq-answer{
  padding:0 .25rem 1.375rem;
}
.tbm-faq-answer p{
  margin:0;
  font-size:var(--fs-sm);
  line-height:1.7;
  color:var(--text-secondary);
  max-width:36rem;
}

/* erişilebilirlik: hareket azaltma tercihine saygı */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .tbm-aside-link, .tbm-tag, .tbm-btn, .tbm-btn::after, .tbm-stage-no,
  .tbm-faq-question::after, .tbm-figure .tbm-img, .tbm-value-card, .tbm-stage-card{
    transition:none;
  }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width:64rem){
  .tbm-container{
    grid-template-columns:17rem 1fr;
    gap:2.5rem;
  }
  .tbm-stage-grid{
    grid-template-columns:repeat(3, 1fr);
    row-gap:2rem;
  }
  .tbm-stage-grid::before{
    display:none;
  }
  .tbm-value-grid{
    grid-template-columns:repeat(2, 1fr);
  }
}

@media (max-width:56.25rem){
  .tbm-container{
    grid-template-columns:1fr;
    display:flex;
    flex-direction:column;
  }
  .tbm-aside{
    position:static;
    order:2;
  }
  .tbm-article{
    order:1;
  }
  .tbm-aside-inner{
    grid-template-columns:1fr 1fr;
    display:grid;
    align-items:start;
  }
  .tbm-aside-contact{
    grid-column:1 / -1;
  }
  .tbm-split,
  .tbm-split--reverse{
    grid-template-columns:1fr;
    gap:1.75rem;
  }
  .tbm-split-media,
  .tbm-split--reverse .tbm-split-media{
    order:1;
  }
  .tbm-split-content,
  .tbm-split--reverse .tbm-split-content{
    order:2;
  }
}

@media (max-width:30rem){
  .tbm-aside-inner{
    grid-template-columns:1fr;
  }
  .tbm-stage-grid{
    grid-template-columns:1fr;
    row-gap:1.5rem;
  }
  .tbm-value-grid{
    grid-template-columns:1fr;
  }
  .tbm-stats-row{
    flex-direction:column;
  }
  .tbm-stat-chip{
    border-right:none;
    border-bottom:1px solid var(--gray-200);
  }
  .tbm-stat-chip:last-child{
    border-bottom:none;
  }
  .tbm-heading{ font-size:1.375rem; }
  .tbm-section{
    padding-left:2rem;
  }
  .tbm-btn-group{
    flex-direction:column;
  }
  .tbm-btn{
    width:100%;
    justify-content:center;
  }
}