/* =========================================================================
   Merkez-uydu diyagrami
   Tum animasyon JS'ten gelir; JS yoksa diyagram tam gorunur halde durur.
   ========================================================================= */

.diagram {
  margin: 0;
  width: 100%;
}
.diagram svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

/* ---------- Baglanti yollari ---------- */
.diagram__path {
  stroke: var(--line-strong);
  stroke-dasharray: 4 5;
}
.js .diagram[data-ready="false"] .diagram__path { opacity: 0; }

/* ---------- Akan noktalar ---------- */
.diagram__pulse { fill: var(--accent); opacity: 0; }

/* ---------- Merkez kutusu ---------- */
.diagram__hub rect {
  fill: var(--accent);
  stroke: none;
  filter: drop-shadow(0 12px 24px rgba(237, 109, 30, 0.32));
}
.diagram__hub-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  fill: #fff;
  letter-spacing: -0.02em;
}
.diagram__hub-sub {
  font-family: var(--font-body);
  font-size: 12px;
  fill: rgba(255, 255, 255, 0.82);
}

/* ---------- Uydu dugumleri ---------- */
.diagram__node circle {
  fill: var(--surface);
  stroke: var(--line);
  stroke-width: 1.5;
}
.diagram__node-icon { color: var(--ink-dim); }
.diagram__node-label {
  font-family: var(--font-body);
  font-size: 12px;
  fill: var(--ink-dim);
}
.js .diagram[data-ready="false"] .diagram__node { opacity: 0; }

/* Koyu zeminde — dugumler beyaz kalir (kontrast icin), etiketler acilir */
.section--dark .diagram__path,
.hero--dark .diagram__path { stroke: rgba(255, 255, 255, 0.28); }

.section--dark .diagram__node circle { fill: var(--dark-2); stroke: var(--line-onDark); }
.section--dark .diagram__node-icon { color: var(--ink-onDarkDim); }

.section--dark .diagram__node-label,
.hero--dark .diagram__node-label { fill: var(--ink-onDark); }

@media (prefers-reduced-motion: reduce) {
  .js .diagram[data-ready="false"] .diagram__path,
  .js .diagram[data-ready="false"] .diagram__node { opacity: 1; }
  .diagram__pulse { display: none; }
}

/* =========================================================================
   Belirti kartlari — "bu tablo tanidik geliyor mu?"
   ========================================================================= */
.symptoms {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
}
.symptom {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 1.15rem 1.25rem;
  background: var(--surface);
  transition: background-color 0.25s ease;
}
.symptom:hover { background: var(--accent-soft); }
.symptom__mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  flex: none;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 8px;
  transition: background-color 0.25s ease, color 0.25s ease;
}
.symptom:hover .symptom__mark { background: var(--accent); color: #fff; }
.symptom p { font-size: var(--fs-sm); color: var(--ink-2); }

/* =========================================================================
   Sektor etiketleri
   ========================================================================= */
.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 0.5rem 0.9rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: var(--fs-sm);
  color: var(--ink-2);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.25s var(--ease);
}
.tag:hover { border-color: var(--accent); color: var(--ink); transform: translateY(-2px); }
.tag svg { color: var(--accent); }

.section--dark .tag { background: var(--dark-2); border-color: var(--line-onDark); color: var(--ink-onDarkDim); }
.section--dark .tag:hover { border-color: var(--accent); color: #fff; }

/* =========================================================================
   Modul haritasi (kurumsal yazilim)
   ========================================================================= */
.modules {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
}
.module {
  position: relative;
  padding: 1.15rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.3s var(--ease);
}
.module::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.module:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.module:hover::before { transform: scaleX(1); }
.module__mark { color: var(--accent); margin-bottom: 0.6rem; }
.module h3 { font-size: 0.98rem; }
.module p { margin-top: 0.3rem; font-size: var(--fs-xs); color: var(--ink-dim); }

/* =========================================================================
   Koyu hero — sayfalar birbirinden ayrilsin diye
   ========================================================================= */
.hero--dark {
  background: var(--dark);
  color: var(--ink-onDarkDim);
}
.hero--dark h1 { color: #fff; }
.hero--dark .hero-lede { color: var(--ink-onDarkDim); }
.hero--dark .hero-lede strong { color: #fff; }
.hero--dark .hero-note { color: var(--ink-onDarkDim); }
/* Koyu zeminde arka plan bandi kutu gibi duruyordu — yalniz alt cizgi kalsin. */
.hero--dark .mark {
  background: none;
  box-shadow: inset 0 -3px 0 var(--accent);
}
.hero--dark::after { display: none; }