.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  border-radius: var(--radius-sm);
  padding: 0 15px;
  border: 1px solid var(--color-line-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  font-size: 14px;
  font-weight: 650;
  line-height: 1;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.button:hover {
  border-color: rgba(103, 216, 199, 0.44);
  background: rgba(103, 216, 199, 0.1);
  transform: translateY(-1px);
}

.button.primary {
  border-color: rgba(103, 216, 199, 0.42);
  background: linear-gradient(180deg, rgba(103, 216, 199, 0.21), rgba(103, 216, 199, 0.1));
}

.button.secondary {
  color: var(--color-text-soft);
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.microcopy {
  margin-top: 18px;
  color: var(--color-faint);
  font-size: 13px;
  line-height: 1.5;
}

.hero {
  padding: 76px 0 92px;
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--color-line);
}

.hero .split {
  grid-template-columns: minmax(0, 0.95fr) minmax(480px, 1.05fr);
}

.proof-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: -64px auto 34px;
  position: relative;
  z-index: 2;
}

.chip,
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  padding: 7px 10px;
  color: var(--color-muted);
  background: rgba(255, 255, 255, 0.035);
  font-size: 12px;
  line-height: 1;
}

.status-chip.critical {
  color: #ffd1d1;
  border-color: rgba(216, 104, 104, 0.28);
  background: rgba(216, 104, 104, 0.1);
}

.status-chip.warning {
  color: #f5daa0;
  border-color: rgba(215, 168, 75, 0.3);
  background: rgba(215, 168, 75, 0.11);
}

.status-chip.ok {
  color: #bdf0cf;
  border-color: rgba(120, 211, 156, 0.28);
  background: rgba(120, 211, 156, 0.1);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.panel-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.02)),
    rgba(12, 14, 15, 0.74);
  box-shadow: var(--shadow-panel);
  padding: 22px;
}

.panel-card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.25;
}

.panel-card p {
  margin: 12px 0 0;
  color: var(--color-muted);
  line-height: 1.6;
}

.bullet-list {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.bullet-list li {
  position: relative;
  padding-left: 18px;
  color: var(--color-text-soft);
  line-height: 1.55;
}

.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.comparison-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.035);
  padding: 24px;
}

.comparison-card h3 {
  margin: 0 0 18px;
}

/* Ortak ozne: "GridNova" iki kolonun uzerinde tek kez yazilir; maddeler
   yuklemi kendileri tasir ("SCADA degildir" / "...Platformu'dur"). Boylece
   basliktaki ozne bes kez tekrarlanmaz. */
.comparison-subject {
  position: relative;
  margin: 0 0 30px;
  text-align: center;
  font-size: 26px;
  font-weight: 650;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.comparison-subject::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -18px;
  width: 1px;
  height: 14px;
  background: var(--color-line-strong);
}

.comparison-card.is-negative,
.comparison-card.is-positive {
  display: flex;
}

.comparison-card .bullet-list {
  margin: 0;
  padding-top: 0;
  width: 100%;
}

.comparison-card.is-negative {
  background: rgba(255, 255, 255, 0.018);
}

.comparison-card.is-negative .bullet-list li {
  color: var(--color-muted);
}

.comparison-card.is-negative .bullet-list li::before {
  background: var(--color-muted);
  opacity: 0.55;
}

.comparison-card.is-positive {
  border-color: rgba(103, 216, 199, 0.28);
  background: rgba(103, 216, 199, 0.045);
}

.comparison-card.is-positive .bullet-list li {
  color: var(--color-text);
}

.flow {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.flow-step {
  display: flex;
  flex-direction: column;
  position: relative;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.018));
  padding: 18px;
  min-height: 120px;
}

.flow-step::after {
  content: "";
  position: absolute;
  right: -13px;
  top: 50%;
  width: 13px;
  height: 1px;
  background: var(--color-line-strong);
}

.flow-step:last-child::after {
  display: none;
}

.flow-index {
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 700;
}

.flow-title {
  margin-top: 12px;
  font-weight: 700;
}

.layer-stack {
  display: grid;
  gap: 10px;
}

.layer-row {
  display: grid;
  grid-template-columns: 220px 1fr auto;
  gap: 18px;
  align-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.035);
  padding: 16px;
}

.layer-row strong {
  font-size: 15px;
}

.layer-row span {
  color: var(--color-muted);
  line-height: 1.5;
}

.route-hero {
  padding: 90px 0 56px;
}

.scenario-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.tab-button {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-muted);
  padding: 10px 13px;
}

.tab-button.is-active {
  color: var(--color-text);
  border-color: rgba(103, 216, 199, 0.45);
  background: rgba(103, 216, 199, 0.1);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  align-items: start;
}

.timeline-dot {
  width: 28px;
  height: 28px;
  border: 1px solid rgba(103, 216, 199, 0.35);
  border-radius: 50%;
  background: rgba(103, 216, 199, 0.1);
}

.contact-form {
  display: grid;
  gap: 14px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  color: var(--color-text-soft);
  font-size: 13px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  padding: 12px;
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

/* Acilir liste: select'e yari saydam arka plan verilince Chrome popup'i
   beyaz zemine bindiriyor ve liste okunmaz oluyor. Opak zemin sart. */
.field select {
  background-color: var(--color-surface);
}

.field select option {
  background-color: var(--color-surface);
  color: var(--color-text);
}

.form-note,
.success-message {
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.5;
}

.success-message {
  display: none;
  color: var(--color-success);
}

.success-message.is-visible {
  display: block;
}

/* --- Kitle kartlari (uc kapi) --- */
.audience-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.audience-card .chip {
  align-self: flex-start;
}

.audience-card h3 {
  margin: 2px 0 0;
  font-size: 1.05rem;
  color: var(--color-text);
}

.audience-card p {
  color: var(--color-text-soft);
  margin: 0;
}

.audience-card .bullet-list {
  margin-top: auto;
  padding-top: 6px;
}

/* --- Bugun / yol haritasi ayrimi --- */
.comparison-card.is-today {
  border-color: rgba(103, 216, 199, 0.38);
  background: rgba(103, 216, 199, 0.06);
}

.comparison-card.is-roadmap {
  border-color: var(--color-line);
  background: rgba(255, 255, 255, 0.02);
}

.comparison-card.is-today h3 {
  color: var(--color-accent);
}

.comparison-card.is-roadmap h3 {
  color: var(--color-muted);
}

.comparison-card.is-roadmap .bullet-list li {
  color: var(--color-muted);
}

.readiness-note {
  margin: 18px auto 0;
  max-width: 760px;
  text-align: center;
  font-size: 0.92rem;
  color: var(--color-muted);
  border-top: 1px solid var(--color-line);
  padding-top: 16px;
}

.contact-direct {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--color-line);
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.contact-direct span {
  color: var(--color-muted);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.contact-direct a {
  color: var(--color-accent);
  font-size: 16px;
  text-decoration: none;
}

.contact-direct a:hover {
  text-decoration: underline;
}


/* --- Omurga adim karti: mini kesit + somut sayi + tek satir aciklama ---
   Kart adin altinda uc katman tasir. Kesit gorseldir ve bilerek metinsizdir;
   sayi kanittir; aciklama adimin ne yaptigini soyler. Mobilde kesit gizlenir —
   kuculunce anlamsizlasiyor ve kart gereksiz uzuyor. */
/* Mini ekran cercevesi — ekranin semasi, goruntusu degil.
   Etiketler seed veri setinden uretilir; bkz. tools/omurga_mini_uret.py */
.flow-mini {
  margin-top: 10px;
  border: 1px solid var(--color-line);
  border-radius: 7px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.3);
}

.flow-mini .fm-bar {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 7px;
  background: rgba(255, 255, 255, 0.045);
  border-bottom: 1px solid var(--color-line);
  font-size: 9.5px;
  letter-spacing: 0.03em;
  color: var(--color-muted);
}

.flow-mini .fm-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-line-strong);
  flex: none;
}

.flow-mini .fm-bar em {
  margin-left: auto;
  font-style: normal;
  font-weight: 700;
  font-size: 9.5px;
  color: var(--color-accent);
}

.flow-mini ul {
  list-style: none;
  margin: 0;
  padding: 5px 7px 6px;
}

.flow-mini li {
  font-size: 10.5px;
  line-height: 1.62;
  color: var(--color-text-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.flow-mini li::before {
  content: "·";
  color: var(--color-faint);
  margin-right: 5px;
}

.flow-metric {
  font-size: 22px;
  font-weight: 750;
  line-height: 1.15;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.flow-unit {
  margin-top: 3px;
  font-size: 11.5px;
  line-height: 1.45;
  color: var(--color-muted);
  /* Iki satirlik yer ayrilir: Ingilizcede bazi birimler iki satira tasiyor
     ("open events · 3 closed with evidence") ve tek satirliklar hizadan
     kaciyordu. Sabit yer ayirinca kesitler serit boyunca ayni yukseklikte. */
  min-height: 33px;
}

.flow-note {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--color-text-soft);
  /* Uc satirlik yer ayrilir. Aciklamalar 2-3 satir arasinda degisiyor; sabit
     yer ayrilmazsa altindaki sayi ve mini ekran serit boyunca hizadan kaciyor. */
  min-height: 57px;
}

/* Sayi ve mini ekran kartin TABANINA sabitlenir; ustteki aciklama uzunlugu
   ne olursa olsun serit boyunca ayni yukseklikte hizalanirlar. */
.flow-data {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--color-line);
}

.flow-caveat {
  margin-top: 14px;
  font-size: 12px;
  color: var(--color-faint);
}


/* Kesit sekilleri — her adim farkli bir aile kullanir */
.flow-glyph .src {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--color-line-strong);
}

.flow-glyph .wire {
  width: 14px;
  height: 1px;
  background: var(--color-line-strong);
  margin: 0 1px;
}

.flow-glyph .r.w48 { width: 48%; }

.flow-glyph .tree {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
}

.flow-glyph .tree i {
  height: 4px;
  border-radius: 2px;
  background: var(--color-line);
  display: block;
}

.flow-glyph .tree .l0 { width: 58%; background: var(--color-line-strong); }
.flow-glyph .tree .l1 { width: 42%; margin-left: 12px; }
.flow-glyph .tree .l2 { width: 32%; margin-left: 24px; }

.flow-glyph .ver-stack {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
}

.flow-glyph .ver-stack i {
  height: 4px;
  width: 62%;
  border-radius: 2px;
  background: var(--color-line);
  display: block;
}

.flow-glyph .ver-stack .on {
  background: var(--color-accent);
  opacity: 0.7;
  width: 78%;
}