/**
 * Yaşam döngüsü — modül sayfaları arası gezinme (açık tema)
 */
.og-tk-life-nav {
  display: flex;
  align-items: stretch;
  gap: .625rem;
  margin-top: .75rem;
  padding: .625rem;
  border-radius: .875rem;
  border: 1px solid var(--pg-border, rgba(20, 24, 32, .06));
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 1px 3px rgba(15, 23, 42, .04);
}

/* Hub — Döngü */
.og-tk-life-nav__hub {
  display: flex;
  align-items: center;
  gap: .5625rem;
  flex-shrink: 0;
  padding: .5625rem .6875rem;
  border-radius: .625rem;
  border: 1px solid var(--pg-border, rgba(20, 24, 32, .06));
  background: linear-gradient(155deg, #f8fafc 0%, #fff 100%);
  color: inherit;
  text-decoration: none;
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

.og-tk-life-nav__hub:hover {
  border-color: color-mix(in srgb, var(--pg-accent, #6366f1) 28%, transparent);
  box-shadow: 0 4px 16px color-mix(in srgb, var(--pg-accent, #6366f1) 8%, transparent);
  transform: translateY(-1px);
}

.og-tk-life-nav__hub-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: .5rem;
  background: color-mix(in srgb, var(--pg-accent, #6366f1) 10%, #fff);
  color: var(--pg-accent, #6366f1);
  font-size: .875rem;
}

.og-tk-life-nav__hub-copy {
  display: flex;
  flex-direction: column;
  gap: .0625rem;
}

.og-tk-life-nav__hub-copy strong {
  font-size: .75rem;
  font-weight: 700;
  color: var(--pg-text, #0a0e14);
  line-height: 1.1;
}

.og-tk-life-nav__hub-copy span {
  font-size: .5625rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--pg-dim, #5c6778);
}

/* Rail — 5 adım */
.og-tk-life-nav__rail {
  position: relative;
  display: flex;
  flex: 1;
  min-width: 0;
  align-items: stretch;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding: .125rem 0;
}

.og-tk-life-nav__rail::-webkit-scrollbar { display: none; }

.og-tk-life-nav__line {
  position: absolute;
  top: 2rem;
  left: 6%;
  right: 6%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, #2563eb 25%, transparent) 0%,
    color-mix(in srgb, #059669 25%, transparent) 25%,
    color-mix(in srgb, #7c3aed 25%, transparent) 50%,
    color-mix(in srgb, #475569 25%, transparent) 75%,
    color-mix(in srgb, #059669 25%, transparent) 100%
  );
  opacity: .45;
  pointer-events: none;
  z-index: 0;
}

.og-tk-life-nav__step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4375rem;
  flex: 1;
  min-width: 4.75rem;
  padding: .25rem .375rem .375rem;
  text-decoration: none;
  border-radius: .625rem;
  transition: background .25s ease, transform .25s ease;
}

.og-tk-life-nav__step:hover {
  background: color-mix(in srgb, var(--life-accent) 6%, transparent);
}

.og-tk-life-nav__step.is-active {
  background: color-mix(in srgb, var(--life-accent) 8%, #fff);
}

.og-tk-life-nav__num {
  font-family: var(--og-font-mono);
  font-size: .5rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--life-accent);
  opacity: .75;
}

.og-tk-life-nav__step.is-active .og-tk-life-nav__num {
  opacity: 1;
}

.og-tk-life-nav__node {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.625rem;
  height: 2.625rem;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--life-accent) 22%, var(--pg-border, rgba(20, 24, 32, .06)));
  background: #fff;
  box-shadow: 0 2px 8px rgba(15, 23, 42, .06);
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

.og-tk-life-nav__step:hover .og-tk-life-nav__node {
  border-color: color-mix(in srgb, var(--life-accent) 45%, transparent);
  transform: translateY(-2px);
}

.og-tk-life-nav__step.is-active .og-tk-life-nav__node {
  border-color: var(--life-accent);
  background: linear-gradient(145deg, #fff 0%, color-mix(in srgb, var(--life-accent) 8%, #fff) 100%);
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--life-accent) 14%, transparent),
    0 6px 20px color-mix(in srgb, var(--life-accent) 22%, transparent);
  transform: scale(1.06);
}

.og-tk-life-nav__node-icon {
  font-size: .8125rem;
  color: var(--life-accent);
}

.og-tk-life-nav__copy {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .0625rem;
  text-align: center;
}

.og-tk-life-nav__name {
  font-size: .6875rem;
  font-weight: 700;
  color: var(--pg-text, #0a0e14);
  line-height: 1.15;
  font-style: normal;
}

.og-tk-life-nav__verb {
  font-size: .5rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--life-accent);
  font-style: normal;
  opacity: .9;
}

.og-tk-life-nav__step.is-active .og-tk-life-nav__name {
  color: var(--life-accent);
}

/* Hero phase chip */
.og-tk-life-chip {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  margin-bottom: .75rem;
  padding: .3rem .55rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--tk-accent) 35%, transparent);
  background: color-mix(in srgb, var(--tk-accent) 10%, transparent);
  font-size: .625rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--tk-accent);
}

.og-tk-life-chip__num {
  font-family: var(--og-font-mono);
  opacity: .85;
}

@media (max-width: 900px) {
  .og-tk-life-nav {
    flex-direction: column;
    align-items: stretch;
  }

  .og-tk-life-nav__hub {
    justify-content: flex-start;
  }

  .og-tk-life-nav__line {
    display: none;
  }

  .og-tk-life-nav__rail {
    gap: .25rem;
  }

  .og-tk-life-nav__step {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    min-width: 7.5rem;
    padding: .4375rem .5rem;
    gap: .5625rem;
  }

  .og-tk-life-nav__node {
    width: 2.25rem;
    height: 2.25rem;
    flex-shrink: 0;
  }

  .og-tk-life-nav__copy {
    align-items: flex-start;
    text-align: left;
  }
}

@media (max-width: 520px) {
  .og-tk-life-nav__step {
    min-width: 6.5rem;
  }

  .og-tk-life-nav__name { font-size: .625rem; }
}

@media (prefers-reduced-motion: reduce) {
  .og-tk-life-nav__step,
  .og-tk-life-nav__node,
  .og-tk-life-nav__hub {
    transition: none;
  }

  .og-tk-life-nav__step:hover .og-tk-life-nav__node,
  .og-tk-life-nav__step.is-active .og-tk-life-nav__node {
    transform: none;
  }
}