/* ==========================================================================
   OKTAN YAPI — css/pages/kentsel-donusum.css
   Kentsel Dönüşüm sayfası (body[data-page="kentsel-donusum"]).
   Önek: .kd-   · Yalnızca token + ortak bileşenler; ham renk/px yok (SVG hariç).

   İÇİNDEKİLER
   00  Sayfa kapsamı (footer CTA bandı yerine sayfanın kendi kapanışı var)
   01  Kahraman + altın şerit
   02  Neden dönüşüm (koyu, spotlight)
   03  A'dan Z'ye süreç (stepper)
   04  Önce / Sonra
   05  Avantajlar (yapışkan görsel + akan liste)
   06  Kanun çerçevesi
   07  SSS
   08  Kapanış CTA
   ========================================================================== */

/* --------------------------------------------------------------------------
   00 · SAYFA KAPSAMI
   -------------------------------------------------------------------------- */
body[data-page="kentsel-donusum"] .cta-band { display: none; }

@keyframes kd-bob   { 0%, 100% { translate: 0 0; } 50% { translate: 0 4px; } }
@keyframes kd-nudge-l { 0%, 100% { translate: 0 0; } 50% { translate: -6px 0; } }
@keyframes kd-nudge-r { 0%, 100% { translate: 0 0; } 50% { translate: 6px 0; } }
@keyframes kd-slide { from { background-position: 0 0; } to { background-position: 40px 0; } }


/* --------------------------------------------------------------------------
   01 · KAHRAMAN + ALTIN ŞERİT
   -------------------------------------------------------------------------- */
.kd-hero .page-hero__title { max-width: 19ch; }
.kd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  animation: oc-rise 1s var(--ease-out) both;
  animation-delay: calc(var(--oc-start) + .34s);
}
.kd-hero .breadcrumb:not([data-reveal]) { --oc-d: .48s; }
.kd-hero__down { animation: kd-bob 1.8s ease-in-out infinite; }
@media (max-width: 479.98px) {
  .kd-hero__actions .btn { flex: 1 1 100%; justify-content: center; }
}

.kd-ribbon {
  position: relative;
  z-index: 2;
  color: var(--navy-900);
  background:
    repeating-linear-gradient(115deg, rgba(var(--navy-950-rgb), .07) 0 2px, transparent 2px 14px),
    var(--grad-gold);
  border-block: 1px solid rgba(var(--navy-950-rgb), .22);
  box-shadow: 0 18px 40px -22px rgba(var(--navy-950-rgb), .7);
}
.kd-ribbon .marquee { padding-block: .95rem; }
.kd-ribbon .marquee__item {
  font-size: clamp(.85rem, .78rem + .45vw, 1.1rem);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--navy-900);
}
.kd-ribbon .marquee__sep { width: .45rem; height: .45rem; background: var(--navy-900); }


/* --------------------------------------------------------------------------
   02 · NEDEN DÖNÜŞÜM
   -------------------------------------------------------------------------- */
.kd-why { overflow: hidden; }
.kd-why__wrap { z-index: 1; }
.kd-why__head {
  display: grid;
  gap: 1.25rem 4rem;
  align-items: end;
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}
.kd-why__head .eyebrow { margin-bottom: 1.1rem; }
.kd-why__lead { margin-top: 0; }
@media (min-width: 1024px) {
  .kd-why__head { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); }
}

.kd-why__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
@media (min-width: 640px)  { .kd-why__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .kd-why__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (min-width: 640px)  { .kd-why__item { min-height: 19rem; gap: 2.25rem; } }

.kd-why__item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  min-height: 0;
  padding: clamp(1.5rem, 2.4vw, 2.25rem);
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(180deg, rgba(var(--white-rgb), .05), rgba(var(--white-rgb), .01)),
    var(--navy-900);
  transition: background-color var(--dur-3) var(--ease-out);
}
.kd-why__item > * { position: relative; z-index: 1; }
.kd-why__item::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  z-index: 2;
  width: 2.75rem; height: 3px;
  background: var(--grad-gold);
  transition: width .9s var(--ease-out);
}
.kd-why__no {
  position: absolute;
  top: 1rem; right: 1.25rem;
  z-index: 1;
  font-family: var(--font-display);
  font-size: 4.25rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.05em;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-strong);
  user-select: none;
  transition: -webkit-text-stroke-color var(--dur-3);
}
.kd-why__body { margin-top: auto; }
.kd-why__name {
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  font-weight: 650;
  line-height: 1.25;
  letter-spacing: -.015em;
  color: var(--heading);
}
.kd-why__body p { margin-top: .75rem; font-size: var(--fs-sm); line-height: 1.7; color: var(--text-muted); }
@media (hover: hover) {
  .kd-why__item:hover::before { width: 100%; }
  .kd-why__item:hover .kd-why__no { -webkit-text-stroke-color: var(--accent); }
  .kd-why__item:hover .kd-why__body p { color: var(--text); }
}

.kd-why__statement { margin-top: clamp(3rem, 7vw, 6rem); max-width: 64rem; }
.kd-why__quote {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, .7rem + 2.7vw, 3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
}
.kd-why__line { display: block; margin-bottom: .35rem; }
.kd-why__sign {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.75rem;
  font-size: var(--fs-lg);
  color: var(--text);
}
.kd-why__sign .gold-line { flex: none; width: 3rem; margin: 0; }


/* --------------------------------------------------------------------------
   03 · A'DAN Z'YE SÜREÇ (stepper)
   -------------------------------------------------------------------------- */
.kd-process .section-head--split { margin-bottom: clamp(2rem, 4vw, 3.25rem); }

/* mobil + tablet: yatay kaydırmalı sekme şeridi */
.kd-stepper .stepper__nav {
  margin-inline: calc(var(--gutter) * -1);
  padding-inline: var(--gutter);
  margin-bottom: 1.25rem;
  scroll-padding-inline: var(--gutter);
}
.kd-stepper .stepper__nav > * { padding: .8rem 1rem; }
.kd-tab__txt { display: flex; flex-direction: column; gap: .15rem; }
.kd-tab__s { display: none; font-size: var(--fs-xs); font-weight: 500; letter-spacing: 0; color: var(--text-muted); }
.kd-tab__t { display: block; }
.kd-stepper .stepper__nav > [aria-selected="true"] .kd-tab__s { color: var(--accent); }
.kd-stepper .stepper__nav > [aria-selected="true"] { background-color: var(--surface); box-shadow: 0 10px 28px -16px var(--shadow-color); }

/* panel */
.kd-panel {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  padding: clamp(1.4rem, 3vw, 2.75rem);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: 0 34px 70px -42px var(--shadow-color);
}
.kd-panel::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-300) 38%, transparent 38%);
}
.kd-panel + .kd-panel { margin-top: 1.5rem; }
.kd-panel__main {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: clamp(1rem, 2.2vw, 1.75rem);
  align-items: end;
  align-content: start;
  min-width: 0;
}
.kd-panel__no {
  font-family: var(--font-display);
  font-size: clamp(4.25rem, 8vw, 6.5rem);
  font-weight: 800;
  line-height: .78;
  letter-spacing: -.05em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent);
  user-select: none;
}
.kd-panel__title {
  padding-bottom: .15rem;
  font-size: var(--fs-h3);
  line-height: 1.16;
  letter-spacing: -.02em;
}
.kd-panel__text, .kd-panel__cols { grid-column: 1 / -1; }
.kd-panel__text { margin-top: 1.4rem; max-width: 62ch; line-height: 1.75; color: var(--text-muted); }
.kd-panel__cols { display: grid; gap: 1.5rem; margin-top: 1.75rem; }
.kd-panel__sub {
  margin-bottom: .9rem;
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
}
.kd-panel .list-check { gap: .7rem; }
.kd-panel .list-check > li { font-size: var(--fs-sm); color: var(--text); }
.kd-panel__ask {
  padding: 1.15rem 1.35rem;
  background: rgba(var(--gold-500-rgb), .1);
  border-left: 3px solid var(--gold-500);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.kd-panel__ask .kd-panel__sub { margin-bottom: .45rem; }
.kd-panel__ask p { font-size: var(--fs-sm); line-height: 1.65; color: var(--heading); }

.kd-panel__art { min-width: 0; }
.kd-panel__art .media-frame { --ratio: 16 / 10; }
.kd-panel__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}
.kd-panel__nav .btn:disabled { opacity: .35; }
@media (max-width: 479.98px) { .kd-panel__nav .btn { flex: 1 1 auto; justify-content: center; } }

/* panel içeriği kademeli girer (CSS; JS gerekmez) */
.kd-panel.is-active .kd-panel__main > * { animation: oc-rise .75s var(--ease-out) both; }
.kd-panel.is-active .kd-panel__main > :nth-child(2) { animation-delay: .06s; }
.kd-panel.is-active .kd-panel__main > :nth-child(3) { animation-delay: .12s; }
.kd-panel.is-active .kd-panel__main > :nth-child(4) { animation-delay: .2s; }
.kd-panel.is-active .kd-panel__art { animation: oc-fade .9s var(--ease-out) .1s both; }

@media (min-width: 640px) {
  .kd-panel__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.75rem; }
}
@media (min-width: 768px) {
  .kd-panel { grid-template-columns: minmax(0, 1.5fr) minmax(0, .8fr); }
  .kd-panel__nav { grid-column: 1 / -1; }
  .kd-panel__art .media-frame { --ratio: auto; height: 100%; min-height: 21rem; aspect-ratio: auto; }
  .kd-panel__cols { grid-template-columns: minmax(0, 1fr); }
}
@media (min-width: 1280px) {
  .kd-panel__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kd-panel { grid-template-columns: minmax(0, 1.65fr) minmax(0, .8fr); }
}

/* masaüstü: dikey ray + panel */
@media (min-width: 1024px) {
  .kd-stepper {
    display: grid;
    grid-template-columns: 17.5rem minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 4.5rem);
    align-items: start;
  }
  .kd-stepper .stepper__nav {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    flex-direction: column;
    align-items: stretch;
    gap: .25rem;
    margin: 0;
    padding: 0 0 0 1.5rem;
    overflow: visible;
    scroll-snap-type: none;
    background:
      linear-gradient(to bottom, var(--gold-500), var(--gold-300)) 0 0 / 2px calc(var(--stepper-progress, 0) * 100%) no-repeat,
      linear-gradient(var(--line-strong), var(--line-strong)) 0 0 / 2px 100% no-repeat;
  }
  .kd-stepper .stepper__nav > * {
    position: relative;
    flex: none;
    width: 100%;
    align-items: flex-start;
    padding: .85rem 1rem;
    white-space: normal;
  }
  .kd-stepper .stepper__nav > *::before { margin-top: .05rem; }
  .kd-stepper .stepper__nav > *::after {
    content: "";
    position: absolute;
    left: -1.5rem; top: .45rem; bottom: .45rem;
    width: 2px;
    background: var(--gold-500);
    transform: scaleY(0);
    transition: transform .5s var(--ease-out);
  }
  .kd-stepper .stepper__nav > .is-active::after { transform: scaleY(1); }
  .kd-tab__s { display: block; }
}

/* JS yokken: sekmeler gizli, tüm paneller sırayla görünür */
html:not(.js) .kd-stepper { display: block; }
html:not(.js) .kd-stepper .stepper__nav,
html:not(.js) .kd-panel__nav,
html:not(.js) .kd-panel__art { display: none; }
html:not(.js) .kd-panel { grid-template-columns: minmax(0, 1fr); }


/* --------------------------------------------------------------------------
   04 · ÖNCE / SONRA
   -------------------------------------------------------------------------- */
.kd-ba .section-head--split { margin-bottom: clamp(2rem, 4vw, 3.25rem); }
.kd-ba__grid { display: grid; gap: clamp(1.5rem, 3vw, 2.5rem); }
@media (min-width: 1100px) {
  .kd-ba__grid { grid-template-columns: minmax(0, 1fr) 21.5rem; align-items: start; }
}
.kd-ba__stage { margin: 0; min-width: 0; }
.kd-ba .before-after { box-shadow: var(--shadow-lg); border: 1px solid var(--line-strong); }
.kd-ba__caption {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem 1.5rem;
  margin-top: 1.1rem;
}
.kd-hint {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  padding: .6rem 1.2rem;
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(var(--gold-500-rgb), .5);
  border-radius: var(--radius-pill);
}
.kd-hint .icon:first-child { animation: kd-nudge-l 1.6s ease-in-out infinite; }
.kd-hint .icon:last-child  { animation: kd-nudge-r 1.6s ease-in-out infinite; }
.kd-ba__note { font-size: var(--fs-xs); letter-spacing: .04em; color: var(--text-muted); }

.kd-gains { display: grid; gap: .9rem; list-style: none; }
@media (min-width: 768px) and (max-width: 1099.98px) { .kd-gains { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.kd-gain {
  display: flex;
  align-items: flex-start;
  gap: 1.1rem;
  padding: 1.35rem 1.4rem;
  background: linear-gradient(160deg, rgba(var(--white-rgb), .07), rgba(var(--white-rgb), .02));
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold-500);
  border-radius: var(--radius-md);
}
@media (min-width: 768px) and (max-width: 1099.98px) { .kd-gain { flex-direction: column; } }
.kd-gain__icon { flex: none; }
.kd-gain__title {
  margin-bottom: .4rem;
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  font-weight: 650;
  line-height: 1.2;
  color: var(--heading);
}
.kd-gain p { font-size: var(--fs-sm); line-height: 1.65; color: var(--text-muted); }


/* --------------------------------------------------------------------------
   05 · AVANTAJLAR
   -------------------------------------------------------------------------- */
.kd-adv__grid { display: grid; gap: clamp(2.5rem, 6vw, 5rem); }
.kd-adv__side .eyebrow, .kd-law__side > .eyebrow, .kd-faq__side .eyebrow { margin-bottom: 1.1rem; }
.kd-adv__side .section-lead { max-width: 46ch; }
.kd-adv__visual { margin-top: clamp(1.75rem, 4vw, 2.75rem); padding: .7rem; }
.kd-adv__visual .media-frame { --ratio: 16 / 10; }
@media (min-width: 1024px) {
  .kd-adv__grid { grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); align-items: start; }
  .kd-adv__visual .media-frame { --ratio: 5 / 4; }
}
@media (min-width: 1024px) and (min-height: 780px) {
  .kd-adv__sticky { position: sticky; top: calc(var(--header-h) + 1.75rem); }
}

.kd-adv__list { list-style: none; counter-reset: oc-feature; }
.kd-adv .kd-adv__item {
  flex-direction: row;
  align-items: flex-start;
  gap: 1.35rem;
  padding: clamp(1.4rem, 3vw, 2rem) 0;
  border-top: 1px solid var(--line-strong);
}
.kd-adv .kd-adv__item:last-child { border-bottom: 1px solid var(--line-strong); }
.kd-adv .feature--numbered .feature__icon { flex: none; margin-top: .2rem; }
.kd-adv .feature--numbered::before {
  top: 50%; right: 0; left: auto;
  translate: 0 -50%;
  font-size: clamp(3.5rem, 7vw, 5.75rem);
}
@media (hover: hover) {
  .kd-adv .feature--numbered:hover::before { transform: translateX(-6px); }
}
.kd-adv__txt { min-width: 0; }
@media (max-width: 639.98px) { .kd-adv .feature--numbered::before { display: none; } }
@media (min-width: 640px) { .kd-adv__txt { padding-right: 6.5rem; } }
@media (min-width: 1024px) { .kd-adv__txt { padding-right: 8.75rem; } }
.kd-adv .feature__text { margin-top: .45rem; max-width: 52ch; }


/* --------------------------------------------------------------------------
   06 · KANUN ÇERÇEVESİ
   -------------------------------------------------------------------------- */
.kd-law__grid { display: grid; gap: clamp(2rem, 5vw, 5rem); }
@media (min-width: 1024px) {
  .kd-law__grid { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); align-items: start; }
}
@media (min-width: 1024px) and (min-height: 700px) {
  .kd-law__side { position: sticky; top: calc(var(--header-h) + 1.75rem); }
}
.kd-law__no { margin: 1.25rem 0 .75rem -.35rem; font-size: clamp(5rem, 14vw, 10.5rem); }
.kd-law__title { margin-top: .5rem; }
.kd-law__name {
  max-width: 30ch;
  margin-top: 1.5rem;
  padding-left: 1rem;
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 600;
  line-height: 1.5;
  color: var(--heading);
  border-left: 3px solid var(--gold-500);
}
.kd-law__steps { margin-top: clamp(2rem, 4vw, 2.75rem); }
.kd-law .timeline__marker { background: var(--paper-200); }
.kd-law__more { margin-top: clamp(1.75rem, 4vw, 2.5rem); max-width: 62ch; line-height: 1.75; color: var(--text); }
.kd-law__note {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .9rem 1.1rem;
  align-items: start;
  margin-top: 1.75rem;
  padding: 1.35rem 1.5rem;
  background: var(--surface);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
}
.kd-law__note p { font-size: var(--fs-sm); line-height: 1.7; color: var(--text); }
.kd-law__note .link-arrow { grid-column: 2; justify-self: start; font-size: var(--fs-sm); }


/* --------------------------------------------------------------------------
   07 · SSS
   -------------------------------------------------------------------------- */
.kd-faq__grid { display: grid; gap: clamp(2rem, 5vw, 4.5rem); }
@media (min-width: 1024px) {
  .kd-faq__grid { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); align-items: start; }
  .kd-faq__sticky { position: sticky; top: calc(var(--header-h) + 1.75rem); }
}
.kd-faq__call {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding: 1.25rem 1.5rem;
}
.kd-faq__call-label {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.kd-faq__call-num {
  display: inline-block;
  margin-top: .15rem;
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--heading);
  text-decoration: none;
}
@media (hover: hover) { .kd-faq__call-num:hover { color: var(--accent); } }
.kd-faq__list { min-width: 0; }


/* --------------------------------------------------------------------------
   08 · KAPANIŞ CTA
   -------------------------------------------------------------------------- */
.kd-cta { padding-block: clamp(5rem, 11vw, 9.5rem); }
.kd-cta::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  z-index: -1;
  height: 100%;
  pointer-events: none;
  background:
    linear-gradient(rgba(var(--white-rgb), .03) 1px, transparent 1px) 0 0 / 60px 60px,
    linear-gradient(90deg, rgba(var(--white-rgb), .03) 1px, transparent 1px) 0 0 / 60px 60px;
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 25% 50%, #000 10%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 80% at 25% 50%, #000 10%, transparent 75%);
}
.kd-cta__grid { display: grid; gap: 3rem; align-items: center; }
@media (min-width: 900px) { .kd-cta__grid { grid-template-columns: minmax(0, 1.5fr) minmax(0, .62fr); gap: 4rem; } }
.kd-cta__text .eyebrow { margin-bottom: 1.4rem; }
.kd-cta__title {
  max-width: 16ch;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 1.1rem + 4.4vw, 4.6rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.03em;
  color: var(--white);
  text-wrap: balance;
}
.kd-cta__lead { max-width: 50ch; margin-top: 1.5rem; font-size: var(--fs-lg); line-height: 1.7; color: var(--text); }
.kd-cta__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: clamp(1.75rem, 4vw, 2.5rem); }
@media (max-width: 479.98px) { .kd-cta__actions .btn { flex: 1 1 100%; justify-content: center; } }
.kd-cta__visual { display: none; }
@media (min-width: 900px) { .kd-cta__visual { display: block; } }
.kd-cta__frame {
  position: relative;
  aspect-ratio: 1;
  max-width: 23rem;
  margin-inline: auto;
  overflow: hidden;
  background: var(--navy-800);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}
.kd-cta__frame > .art { position: absolute; inset: 0; height: auto; }