/* =========================================================================
   Periodix Blog — AÇIK (aydınlık) makale teması + zengin bileşenler.
   landing.css koyu nav/footer'ı sağlar; .article-light gövdeyi aydınlığa çevirir.
   Pitch tasarımından uyarlanmış: renkli karşılaştırma, kartlar, mini-timetable,
   sağlık göstergesi, callout, CTA, FAQ. Tüm görseller inline (fotoğrafsız).
   ========================================================================= */

.article-light {
  --a-ink: #1b1626;
  --a-ink-soft: #4d4660;
  --a-paper: #fbfafd;
  --a-panel: #f4f1f9;
  --a-purple: #ae3ec9;
  --a-purple-deep: #7c2e93;
  --a-purple-tint: #f7ecfa;
  --a-slate: #59616f;
  --a-slate-tint: #eceef2;
  --a-line: #e7e2ef;
  --a-line-bold: #d7cfe6;
  --a-good: #2f9e51;
  --a-warn: #d6802a;

  position: relative;
  z-index: 1;
  background: var(--a-paper);
  color: var(--a-ink);
  padding-bottom: clamp(48px, 7vw, 88px);
}
.article-light ::selection { background: var(--a-purple-tint); color: var(--a-purple-deep); }
.a-wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.article-light a { color: var(--a-purple-deep); }

/* ── Hero ─────────────────────────────────────────────── */
.a-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--a-line);
  background:
    radial-gradient(120% 90% at 82% 0%, var(--a-purple-tint), transparent 60%),
    var(--a-paper);
}
.a-hero::before {
  content: '';
  position: absolute; inset: 0 0 auto 0; height: 100%;
  background-image:
    linear-gradient(var(--a-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--a-line) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(120% 80% at 82% 0%, #000, transparent 58%);
          mask-image: radial-gradient(120% 80% at 82% 0%, #000, transparent 58%);
  opacity: .8; pointer-events: none;
}
.a-hero .a-wrap { position: relative; padding-top: clamp(36px, 6vw, 60px); padding-bottom: clamp(30px, 5vw, 48px); }
.a-back {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--a-slate); font-size: 14px; font-weight: 600; margin-bottom: 20px;
}
.a-back:hover { color: var(--a-purple-deep); }
.a-eyebrow, .a-hero .tag { display: inline-block; }
.a-hero h1 {
  font-size: clamp(1.9rem, 4.4vw, 2.9rem);
  font-weight: 820; letter-spacing: -.03em; line-height: 1.08;
  margin: 14px 0 16px; color: var(--a-ink); text-wrap: balance;
}
.a-meta {
  display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center;
  color: var(--a-slate); font-size: .88rem;
}
.a-meta .tag { margin-right: 4px; }

/* Tag chip (light) */
.article-light .tag {
  font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--a-purple-deep); background: var(--a-purple-tint);
  padding: 4px 11px; border-radius: 999px;
}

/* ── Body prose ───────────────────────────────────────── */
.a-body { padding-top: clamp(30px, 4vw, 44px); }
.a-body > * + * { margin-top: 1.2em; }
.a-body p { color: var(--a-ink-soft); font-size: 1.08rem; line-height: 1.75; }
.a-body .a-lead { font-size: 1.25rem; line-height: 1.6; color: var(--a-ink); }
.a-body h2 {
  font-size: clamp(1.4rem, 3vw, 1.75rem); font-weight: 780; letter-spacing: -.02em;
  line-height: 1.2; color: var(--a-ink); margin-top: 1.9em; text-wrap: balance;
}
.a-body h3 { font-size: 1.18rem; font-weight: 700; color: var(--a-ink); margin-top: 1.5em; }
.a-body strong { color: var(--a-ink); font-weight: 650; }
.a-body a { font-weight: 500; }
.a-body a:hover { text-decoration: underline; }
.a-body ul, .a-body ol { margin: 1em 0; padding: 0; display: flex; flex-direction: column; gap: .55em; }
.a-body ul { list-style: none; }
.a-body ul li { position: relative; padding-left: 1.6em; color: var(--a-ink-soft); font-size: 1.05rem; line-height: 1.6; }
.a-body ul li::before { content: ''; position: absolute; left: 2px; top: .6em; width: 7px; height: 7px; border-radius: 2px; background: var(--a-purple); }
.a-body ol { counter-reset: it; list-style: none; }
.a-body ol li {
  counter-increment: it; position: relative; padding-left: 2.4em;
  color: var(--a-ink-soft); font-size: 1.05rem; line-height: 1.6;
}
.a-body ol li::before {
  content: counter(it); position: absolute; left: 0; top: 0;
  width: 1.7em; height: 1.7em; border-radius: 8px;
  background: var(--a-purple); color: #fff; font-weight: 700; font-size: .82em;
  display: grid; place-items: center;
}
.a-body blockquote {
  margin: 1.5em 0; padding: 16px 20px; border-left: 4px solid var(--a-purple);
  background: var(--a-purple-tint); border-radius: 0 12px 12px 0;
  color: var(--a-ink); font-size: 1.12rem;
}

/* ── Comparison rows (aSc ↔ Periodix) ─────────────────── */
.cmp-rows { display: flex; flex-direction: column; gap: 12px; margin: 1.6em 0; }
.cmp-row {
  display: grid; grid-template-columns: 1fr 40px 1fr; align-items: stretch;
  border: 1px solid var(--a-line); border-radius: 14px; overflow: hidden; background: #fff;
}
@media (max-width: 640px) { .cmp-row { grid-template-columns: 1fr; } }
.cmp-side { padding: 15px 18px; font-size: .98rem; line-height: 1.45; }
.cmp-side .k { display: block; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; margin-bottom: 5px; }
.cmp-asc { background: var(--a-slate-tint); color: var(--a-slate); }
.cmp-asc .k { color: var(--a-slate); }
.cmp-pdx { background: linear-gradient(180deg, #fff, var(--a-purple-tint)); color: var(--a-ink); }
.cmp-pdx .k { color: var(--a-purple-deep); }
.cmp-pdx strong { color: var(--a-purple-deep); }
.cmp-arrow { display: grid; place-items: center; background: #fff; color: var(--a-line-bold); }
@media (max-width: 640px) { .cmp-arrow { height: 22px; transform: rotate(90deg); } }

/* ── Cards (feature / step) ───────────────────────────── */
.a-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 1.6em 0; }
.a-card { border: 1px solid var(--a-line); border-radius: 14px; padding: 20px; background: #fff; transition: border-color .15s, transform .15s, box-shadow .15s; }
.a-card:hover { border-color: var(--a-line-bold); transform: translateY(-2px); box-shadow: 0 16px 34px -24px rgba(41,20,60,.4); }
.a-card .ic { width: 38px; height: 38px; border-radius: 10px; background: var(--a-purple-tint); color: var(--a-purple-deep); display: grid; place-items: center; margin-bottom: 12px; }
.a-card h3 { margin: 0 0 6px; font-size: 1.05rem; color: var(--a-ink); }
.a-card p { margin: 0; color: var(--a-ink-soft); font-size: .93rem; line-height: 1.55; }
.a-card .step-n { font-family: ui-monospace, monospace; font-size: 12px; color: var(--a-purple-deep); font-weight: 700; letter-spacing: .1em; }

/* ── Mockup: mini timetable + health gauge ────────────── */
.mock {
  background: #fff; border: 1px solid var(--a-line-bold); border-radius: 16px;
  overflow: hidden; box-shadow: 0 24px 60px -34px rgba(41,20,60,.4); margin: 1.6em 0;
}
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 11px 14px; border-bottom: 1px solid var(--a-line); background: var(--a-panel); }
.mock-bar .d { width: 9px; height: 9px; border-radius: 50%; background: var(--a-line-bold); }
.mock-bar .t { margin-left: 8px; font-family: ui-monospace, monospace; font-size: .72rem; color: var(--a-slate); letter-spacing: .04em; }
.mock-in { padding: 14px; }
.tt { display: grid; grid-template-columns: auto repeat(6, 1fr); gap: 4px; font-size: .58rem; }
.tt .cell { height: 26px; border-radius: 5px; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-family: ui-monospace, monospace; }
.tt .rowh { color: var(--a-slate); justify-content: flex-start; padding-left: 2px; }
.tt .cell.e { background: var(--a-slate-tint); }
.tt .cell.sep { box-shadow: inset -2px 0 0 var(--a-line-bold); }
.tt .cell.mat { background: #e8590c; } .tt .cell.ing { background: #ae3ec9; }
.tt .cell.tur { background: #1c7ed6; } .tt .cell.fen { background: #2f9e51; }
.tt .cell.muz { background: #f08c00; } .tt .cell.tar { background: #7048e8; }
.gauge-row { display: flex; align-items: center; gap: 14px; margin-top: 14px; padding: 12px; border: 1px solid var(--a-line); border-radius: 12px; background: var(--a-panel); }
.gauge-row .lbl { font-family: ui-monospace, monospace; font-size: .66rem; color: var(--a-slate); letter-spacing: .08em; }
.gauge-row .fnd { font-size: .82rem; color: var(--a-ink-soft); margin-top: 4px; }
.gauge-row .fnd b { color: var(--a-ink); }

/* ── Callout ──────────────────────────────────────────── */
.callout {
  display: flex; gap: 14px; align-items: flex-start; margin: 1.6em 0;
  padding: 18px 20px; border: 1px solid var(--a-line-bold); border-radius: 14px;
  background: var(--a-panel);
}
.callout .ic { flex: none; width: 34px; height: 34px; border-radius: 9px; background: var(--a-purple); color: #fff; display: grid; place-items: center; }
.callout p { margin: 0; color: var(--a-ink-soft); font-size: .98rem; line-height: 1.6; }
.callout p strong { color: var(--a-ink); }

/* ── CTA box ──────────────────────────────────────────── */
.a-cta {
  margin: 2.2em 0 .5em; text-align: center; padding: clamp(26px, 4vw, 40px);
  border-radius: 18px; border: 1px solid var(--a-line-bold);
  background: linear-gradient(160deg, #fff, var(--a-purple-tint));
}
.a-cta h3 { margin: 0 0 8px; font-size: 1.35rem; letter-spacing: -.02em; color: var(--a-ink); }
.a-cta p { margin: 0 0 18px; color: var(--a-ink-soft); }
.a-cta .a-btn {
  display: inline-flex; align-items: center; gap: .5em; padding: 13px 24px;
  border-radius: 11px; background: var(--a-purple); color: #fff; font-weight: 650; font-size: 1rem;
  box-shadow: 0 8px 22px -8px rgba(174,62,201,.6);
}
.a-cta .a-btn:hover { transform: translateY(-1px); }

/* ── FAQ ──────────────────────────────────────────────── */
.a-faq { display: flex; flex-direction: column; gap: 10px; margin: 1.4em 0; }
.a-faq-item { border: 1px solid var(--a-line); border-radius: 12px; background: #fff; padding: 16px 18px; }
.a-faq-item h3 { margin: 0 0 6px; font-size: 1.02rem; color: var(--a-ink); }
.a-faq-item p { margin: 0; color: var(--a-ink-soft); font-size: .98rem; line-height: 1.6; }

/* ── UI tour panels ───────────────────────────────────── */
.a-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 1.6em 0; }
@media (max-width: 640px) { .a-panels { grid-template-columns: 1fr; } }
.a-panel { border: 1px solid var(--a-line); border-radius: 16px; background: #fff; overflow: hidden; display: flex; flex-direction: column; }
.a-panel .stage { padding: 18px; background: var(--a-panel); display: flex; align-items: center; justify-content: center; min-height: 152px; }
.a-panel .cap { padding: 15px 18px; border-top: 1px solid var(--a-line); }
.a-panel .cap h3 { margin: 0 0 4px; font-size: 1rem; color: var(--a-ink); }
.a-panel .cap p { margin: 0; color: var(--a-ink-soft); font-size: .88rem; line-height: 1.5; }
/* relationships mockup */
.rel, .feas { width: 100%; max-width: 320px; display: flex; flex-direction: column; gap: 8px; }
.rel .r, .feas .f { display: flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--a-line); border-radius: 9px; padding: 8px 10px; font-size: .8rem; color: var(--a-ink); }
.rel .imp { margin-left: auto; font-family: ui-monospace, monospace; font-size: .62rem; padding: 2px 7px; border-radius: 5px; }
.imp-strict { background: #fbe4ec; color: #b02561; } .imp-high { background: #fce8d6; color: #b5651a; } .imp-norm { background: var(--a-slate-tint); color: var(--a-slate); }
.feas .warn { border-color: var(--a-warn); color: var(--a-warn); }
.feas .ok { color: var(--a-ink-soft); }

/* ── Architecture diagram + tech specs ────────────────── */
.a-diagram { width: 100%; overflow-x: auto; margin: 1.4em 0; border: 1px solid var(--a-line); border-radius: 14px; background: #fff; padding: 18px; }
.a-specs { display: grid; grid-template-columns: 1fr; gap: 12px; margin: 1.4em 0; }
.a-spec { border: 1px solid var(--a-line); border-radius: 13px; padding: 16px 18px; background: #fff; }
.a-spec h3 { margin: 0 0 8px; font-size: .98rem; display: flex; align-items: center; gap: 8px; color: var(--a-ink); }
.a-spec h3 .stag { font-family: ui-monospace, monospace; font-size: .6rem; letter-spacing: .08em; color: var(--a-slate); border: 1px solid var(--a-line-bold); border-radius: 5px; padding: 2px 6px; }
.a-spec p { margin: 0; color: var(--a-ink-soft); font-size: .9rem; line-height: 1.55; }
.stackchips { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 2px; }
.stackchips span { font-family: ui-monospace, monospace; font-size: .72rem; padding: 5px 10px; border-radius: 8px; background: var(--a-panel); border: 1px solid var(--a-line); color: var(--a-ink); }
.stackchips b { color: var(--a-purple-deep); }

/* ── Roadmap (var / yakında) ──────────────────────────── */
.road { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 1.4em 0; }
@media (max-width: 560px) { .road { grid-template-columns: 1fr; } }
.rcol { border: 1px solid var(--a-line); border-radius: 14px; padding: 20px; background: #fff; }
.rcol.now { border-color: var(--a-good); }
.rcol h3 { margin: 0 0 12px; font-size: .78rem; font-family: ui-monospace, monospace; letter-spacing: .1em; text-transform: uppercase; }
.rcol.now h3 { color: var(--a-good); } .rcol.soon h3 { color: var(--a-warn); }
.rcol ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.rcol li { display: flex; gap: 9px; align-items: flex-start; padding-left: 0; font-size: .92rem; color: var(--a-ink-soft); line-height: 1.5; }
.rcol li::before { display: none; }
.rcol li .m { flex: none; margin-top: 1px; }

/* ── Small note ───────────────────────────────────────── */
.a-note { margin-top: 2.2em; padding-top: 1.4em; border-top: 1px solid var(--a-line); font-size: .9rem; color: var(--a-slate); }