/* ==========================================================================
   sections.css - bolume ozel duzenler
   Her bolum farkli bir layout ailesi kullanir:
   hero (asimetrik split) > platformlar (chip serit) > manifesto (editorial)
   > markalar (bento) > rakamlar (ters bant) > yetkinlikler (yatay snap)
   > surec (sticky-stack) > cta (full bleed)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Hero - asimetrik split, viewport'a sigar
   -------------------------------------------------------------------------- */

.bh-hero {
  padding-top: clamp(2rem, 1rem + 3vw, 4.5rem);
  padding-bottom: clamp(3rem, 2rem + 4vw, 6rem);
}

.bh-hero__inner {
  display: grid;
  align-items: center;
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  grid-template-columns: 1fr;
}

.bh-hero__copy > * + * {
  margin-top: 1.6rem;
}

.bh-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.bh-hero__media {
  aspect-ratio: 4 / 5;
  max-height: 60vh;
}

@media (min-width: 900px) {
  .bh-hero__inner {
    min-height: calc(100dvh - var(--bh-nav-h) - clamp(2rem, 1rem + 3vw, 4.5rem) - clamp(3rem, 2rem + 4vw, 6rem));
    grid-template-columns: 1.3fr 0.7fr;
  }

  .bh-hero__media {
    max-height: min(66vh, 34rem);
  }
}

@media (min-width: 1280px) {
  .bh-hero__inner {
    grid-template-columns: 1.38fr 0.62fr;
  }

  .bh-hero__media {
    max-height: min(70vh, 38rem);
  }
}

/* --------------------------------------------------------------------------
   Platform serit - logo duvari degil, tipografik chip listesi.
   Gercek platform logolari lisansli olarak elde edildiginde buraya girer.
   -------------------------------------------------------------------------- */

.bh-platforms__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.bh-platforms__list li {
  padding: 0.5rem 1.15rem;
  border: 1px solid var(--bh-ink-line);
  border-radius: var(--bh-radius-button);
  font-family: var(--bh-font-mono);
  font-size: var(--bh-text-label);
  letter-spacing: 0.04em;
  color: var(--bh-ink-muted);
  transition:
    border-color var(--bh-duration-fast) var(--bh-ease-out),
    color var(--bh-duration-fast) var(--bh-ease-out);
}

.bh-platforms__list li:hover {
  border-color: var(--bh-spot);
  color: var(--bh-ink);
}

/* --------------------------------------------------------------------------
   Manifesto - editorial. Baslik ve govde dikey yigin; genis ekranda
   govde saga kayarak asimetri kurar. Split-header degil.
   -------------------------------------------------------------------------- */

.bh-manifesto__title {
  max-width: 20ch;
}

.bh-manifesto__body {
  margin-top: 2.5rem;
  max-width: 58ch;
  font-size: var(--bh-text-lead);
  line-height: 1.5;
  color: var(--bh-ink-muted);
}

.bh-manifesto__body > p + p {
  margin-top: 1.35rem;
}

@media (min-width: 1024px) {
  .bh-manifesto__body {
    margin-top: 3.5rem;
    margin-left: auto;
    margin-right: 0;
  }
}

/* --------------------------------------------------------------------------
   Markalar - bento. Hucre sayisi = marka sayisi = 4. Bos hucre yok.
   1024+: 4 kolon x 2 satir = 8 alan. lead 2x2, wide 2x1, iki kart 1x1.
   -------------------------------------------------------------------------- */

.bh-bento {
  display: grid;
  gap: 1rem;
  margin-top: 2.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .bh-bento {
    grid-template-columns: repeat(2, 1fr);
  }

  .bh-bento__lead,
  .bh-bento__wide {
    grid-column: span 2;
  }

  .bh-bento__lead {
    min-height: 24rem;
  }
}

@media (min-width: 1024px) {
  .bh-bento {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(14.5rem, auto);
  }

  .bh-bento__lead {
    grid-column: span 2;
    grid-row: span 2;
    min-height: auto;
  }

  .bh-bento__wide {
    grid-column: span 2;
  }
}

/* Partner - bento icinde degil, kendi seridi */
.bh-partner {
  margin-top: clamp(2.5rem, 2rem + 2vw, 4rem);
  padding-top: 2rem;
  border-top: 1px solid var(--bh-ink-line);
}

.bh-partner__row {
  display: grid;
  gap: 1.1rem;
  margin-top: 1.25rem;
  align-items: center;
  grid-template-columns: 1fr;
  justify-items: start;
}

.bh-partner__desc {
  max-width: 52ch;
  font-size: var(--bh-text-small);
  color: var(--bh-ink-muted);
}

@media (min-width: 900px) {
  .bh-partner__row {
    grid-template-columns: auto 1fr auto;
    gap: 2.5rem;
  }
}

/* --------------------------------------------------------------------------
   Rakamlar - ters bant, mono rakamlar
   -------------------------------------------------------------------------- */

.bh-stats__grid {
  display: grid;
  gap: 2.5rem 1.5rem;
  grid-template-columns: repeat(2, 1fr);
}

.bh-stats__item {
  display: flex;
  flex-direction: column-reverse;
  gap: 0.65rem;
}

.bh-stats__value {
  font-family: var(--bh-font-mono);
  font-weight: 600;
  font-size: clamp(2.75rem, 1.4rem + 5.2vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.045em;
  font-variant-numeric: tabular-nums;
}

.bh-stats__label {
  font-family: var(--bh-font-mono);
  font-size: var(--bh-text-label);
  letter-spacing: var(--bh-tracking-label);
  text-transform: uppercase;
  color: var(--bh-invert-muted);
}

@media (min-width: 900px) {
  .bh-stats__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* --------------------------------------------------------------------------
   Yetkinlikler - yatay scroll-snap serit
   -------------------------------------------------------------------------- */

.bh-capabilities__track {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-inline: var(--bh-space-gutter);
  padding-bottom: 1.25rem;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  /* scroll-snap snapport'u varsayilan olarak padding kutusunu yok sayar ve
     ilk karti konteyner kenarina yapistirir. scroll-padding bunu duzeltir. */
  scroll-padding-inline: var(--bh-space-gutter);
  scrollbar-width: thin;
  scrollbar-color: var(--bh-ink-soft) transparent;
}

.bh-capabilities__item {
  flex: 0 0 min(82vw, 21rem);
  scroll-snap-align: start;
  padding: 1.75rem;
  border: 1px solid var(--bh-ink-line);
  border-radius: var(--bh-radius-card);
  background: var(--bh-surface);
  transition: border-color var(--bh-duration-fast) var(--bh-ease-out);
}

.bh-capabilities__item:hover {
  border-color: var(--bh-spot);
}

.bh-capabilities__item h3 {
  margin-bottom: 0.75rem;
}

.bh-capabilities__item p {
  font-size: var(--bh-text-small);
  color: var(--bh-ink-muted);
}

/* Serit sol kenari konteyner ile hizalanir. 100vw yerine 100% kullanilir,
   cunku 100vw dikey kaydirma cubugunu da sayar ve birkac piksel kaydirir. */
@media (min-width: 1462px) {
  .bh-capabilities__track {
    padding-inline: calc((100% - var(--bh-container)) / 2 + var(--bh-space-gutter));
    scroll-padding-inline: calc((100% - var(--bh-container)) / 2 + var(--bh-space-gutter));
  }
}

/* --------------------------------------------------------------------------
   Surec - varsayilan duz dikey liste. GSAP yuklendiginde .is-stacking eklenir
   ve kartlar viewport ustunde pinlenip ust uste birikir.
   -------------------------------------------------------------------------- */

.bh-process {
  padding-top: var(--bh-space-section);
}

.bh-process__head {
  margin-bottom: 2.5rem;
}

.bh-process__card {
  display: flex;
  align-items: center;
  padding-block: clamp(2.5rem, 2rem + 3vw, 4.5rem);
  background: var(--bh-paper);
  border-top: 1px solid var(--bh-ink-line);
}

.bh-process__card:nth-child(2) {
  background: var(--bh-surface);
}

.bh-process__stack.is-stacking .bh-process__card {
  min-height: 100dvh;
  padding-block: 0;
  will-change: transform;
}

.bh-process__title {
  font-family: var(--bh-font-display);
  font-weight: 800;
  font-stretch: var(--bh-width-display);
  font-size: clamp(2.5rem, 1.2rem + 5.5vw, 6rem);
  line-height: 0.95;
  letter-spacing: var(--bh-tracking-display);
}

.bh-process__body {
  margin-top: 1.5rem;
  font-size: var(--bh-text-lead);
  line-height: 1.45;
  color: var(--bh-ink-muted);
}

.bh-process__list {
  display: grid;
  gap: 0.85rem;
  margin-top: 2.5rem;
  max-width: 30rem;
}

.bh-process__list li {
  padding-top: 0.85rem;
  border-top: 1px solid var(--bh-ink-line);
  font-family: var(--bh-font-mono);
  font-size: var(--bh-text-label);
  letter-spacing: 0.02em;
  color: var(--bh-ink-muted);
}

@media (min-width: 900px) {
  .bh-process__inner {
    display: grid;
    align-items: start;
    gap: clamp(2rem, 1rem + 4vw, 5rem);
    grid-template-columns: 1.05fr 0.95fr;
  }

  .bh-process__title {
    grid-column: 1;
  }

  .bh-process__body {
    grid-column: 1;
    margin-top: 1.5rem;
  }

  .bh-process__list {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin-top: 0.75rem;
    max-width: none;
  }
}

/* --------------------------------------------------------------------------
   CTA - full bleed vurgu bandi. Zeminde daima koyu murekkep metin (5.33:1).
   -------------------------------------------------------------------------- */

.bh-cta {
  background: var(--bh-spot);
  color: var(--bh-spot-fg);
  padding-block: clamp(3.5rem, 2.5rem + 5vw, 7rem);
}

.bh-cta__inner {
  display: grid;
  gap: 2rem;
  align-items: center;
  grid-template-columns: 1fr;
}

.bh-cta__title {
  max-width: 18ch;
  font-family: var(--bh-font-display);
  font-weight: 800;
  font-stretch: var(--bh-width-heading);
  font-size: clamp(2rem, 1rem + 4.2vw, 3.75rem);
  line-height: 1;
  letter-spacing: var(--bh-tracking-display);
}

.bh-cta__btn {
  justify-self: start;
  background: var(--bh-spot-fg);
  color: var(--bh-spot);
}

.bh-cta__btn:hover {
  background: var(--bh-paper);
  color: var(--bh-ink);
}

@media (min-width: 900px) {
  .bh-cta__inner {
    grid-template-columns: 1fr auto;
  }

  .bh-cta__btn {
    justify-self: end;
  }
}

/* --------------------------------------------------------------------------
   Sayfa basligi - anasayfa hero'sundan farkli aile: gorselsiz, dar, sol
   -------------------------------------------------------------------------- */

.bh-pagehead {
  padding-top: clamp(3rem, 2rem + 4vw, 7rem);
  padding-bottom: clamp(2.5rem, 1.5rem + 3vw, 5rem);
}

.bh-pagehead .bh-lead {
  margin-top: 1.75rem;
}

/* --------------------------------------------------------------------------
   Hakkimizda - hikaye, zaman cizelgesi, yaklasim
   -------------------------------------------------------------------------- */

.bh-story__cols {
  display: grid;
  gap: 1.35rem;
  margin-top: 2.5rem;
  font-size: var(--bh-text-lead);
  line-height: 1.5;
  color: var(--bh-ink-muted);
}

@media (min-width: 900px) {
  .bh-story__cols {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 3.5rem;
  }
}

.bh-timeline {
  margin-top: 2.5rem;
}

.bh-timeline__item {
  display: grid;
  gap: 0.4rem 2.5rem;
  padding-block: 1.6rem;
  border-top: 1px solid var(--bh-invert-line);
  grid-template-columns: 1fr;
}

.bh-timeline__year {
  font-family: var(--bh-font-mono);
  font-weight: 600;
  font-size: clamp(1.6rem, 1.1rem + 2vw, 2.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--bh-spot);
  font-variant-numeric: tabular-nums;
}

.bh-timeline__text {
  max-width: 48ch;
  font-size: var(--bh-text-lead);
  line-height: 1.45;
  color: var(--bh-invert-muted);
}

@media (min-width: 768px) {
  .bh-timeline__item {
    grid-template-columns: 9rem 1fr;
    align-items: baseline;
  }
}

.bh-approach {
  margin-top: 2.5rem;
}

.bh-approach__item {
  padding-top: 1.25rem;
  border-top: 2px solid var(--bh-spot);
}

.bh-approach__item h3 {
  margin-bottom: 0.8rem;
}

.bh-approach__item p {
  font-size: var(--bh-text-small);
  color: var(--bh-ink-muted);
}

/* --------------------------------------------------------------------------
   Markalar sayfasi
   -------------------------------------------------------------------------- */

/* Marka bloklari birbirini takip ettigi icin bolum ritmi kisaltilir;
   varsayilan 10rem padding bloklari birbirinden kopariyor. */
.bh-brandblock {
  padding-block: clamp(3rem, 2rem + 3.5vw, 5.5rem);
}

.bh-brandblock + .bh-brandblock,
.bh-brandblock + .bh-partnerblock {
  border-top: 1px solid var(--bh-ink-line);
}

.bh-brandblock__inner {
  display: grid;
  gap: clamp(2rem, 1rem + 3vw, 4rem);
  align-items: center;
  grid-template-columns: 1fr;
}

.bh-brandblock__copy > * + * {
  margin-top: 1.5rem;
}

.bh-brandblock__lead {
  max-width: 46ch;
  font-size: var(--bh-text-lead);
  line-height: 1.45;
  color: var(--bh-ink-muted);
}

.bh-brandblock__list {
  display: grid;
  gap: 0.8rem;
}

.bh-brandblock__list li {
  position: relative;
  padding-left: 1.6rem;
  font-size: var(--bh-text-small);
  color: var(--bh-ink-muted);
}

.bh-brandblock__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 2px;
  background: var(--bh-spot);
}

.bh-brandblock__media {
  aspect-ratio: 4 / 3;
}

@media (min-width: 900px) {
  .bh-brandblock__inner {
    grid-template-columns: 1fr 1fr;
  }

  .bh-brandblock--reverse .bh-brandblock__copy {
    order: 2;
  }

  .bh-brandblock--reverse .bh-brandblock__media {
    order: 1;
  }
}

.bh-brandblock__widelead {
  max-width: 52ch;
  margin-top: 1.5rem;
  font-size: var(--bh-text-lead);
  line-height: 1.45;
  color: var(--bh-invert-muted);
}

.bh-brandblock__facts {
  margin-top: 3rem;
}

.bh-brandblock__facts h3 {
  margin-bottom: 0.7rem;
}

.bh-brandblock__facts p {
  font-size: var(--bh-text-small);
  color: var(--bh-invert-muted);
}

.bh-brandblock__widecta {
  margin-top: 2.5rem;
}

.bh-partnerblock {
  border-top: 1px solid var(--bh-ink-line);
}

.bh-partnerblock__inner {
  display: grid;
  gap: 1.35rem;
  margin-top: 1.25rem;
  justify-items: start;
}

.bh-partnerblock__inner p {
  font-size: var(--bh-text-lead);
  line-height: 1.5;
  color: var(--bh-ink-muted);
}

/* --------------------------------------------------------------------------
   Iletisim
   -------------------------------------------------------------------------- */

.bh-contact__inner {
  display: grid;
  gap: clamp(2.5rem, 1.5rem + 4vw, 5rem);
  grid-template-columns: 1fr;
  align-items: start;
}

.bh-form {
  display: grid;
  gap: 1.4rem;
  align-content: start;
}

.bh-form > .bh-h2 {
  margin-bottom: 0.5rem;
}

.bh-form__submit {
  justify-self: start;
}

.bh-form__spinner {
  display: none;
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
}

.is-sending .bh-form__spinner {
  display: block;
  animation: bh-spin 700ms linear infinite;
}

.is-sending .bh-form__submit {
  pointer-events: none;
  opacity: 0.7;
}

@keyframes bh-spin {
  to {
    transform: rotate(360deg);
  }
}

.bh-form__status {
  min-height: 1.4em;
  font-size: var(--bh-text-small);
  color: var(--bh-ink-muted);
}

.is-sent .bh-form__status {
  padding-left: 0.85rem;
  border-left: 3px solid var(--bh-spot);
  color: var(--bh-ink);
  font-weight: 500;
}

.bh-contact__list {
  display: grid;
  gap: 1.6rem;
  margin-top: 2rem;
}

.bh-contact__list dd {
  margin-top: 0.35rem;
  font-size: var(--bh-text-lead);
}

.bh-contact__address {
  line-height: 1.45;
}

/* Tanim terimi - bolum eyebrow'u degil, liste basligi */
.bh-contact__term {
  font-family: var(--bh-font-mono);
  font-size: var(--bh-text-label);
  letter-spacing: var(--bh-tracking-label);
  text-transform: uppercase;
  color: var(--bh-ink-muted);
}

.bh-contact__value {
  position: relative;
  transition: color var(--bh-duration-fast) var(--bh-ease-out);
}

.bh-contact__value::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 100%;
  height: 1px;
  background: var(--bh-spot);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--bh-duration-fast) var(--bh-ease-out);
}

.bh-contact__value:hover::after {
  transform: scaleX(1);
}

.bh-contact__brands {
  margin-top: 2.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--bh-ink-line);
}

.bh-contact__brandlist {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.9rem;
  font-family: var(--bh-font-mono);
  font-size: var(--bh-text-small);
}

/* Hikaye gorseli - Hakkimizda */
.bh-story__media {
  margin-top: clamp(2.5rem, 2rem + 2vw, 4rem);
  aspect-ratio: 16 / 9;
  max-height: 32rem;
}

@media (min-width: 900px) {
  .bh-contact__inner {
    grid-template-columns: 1.15fr 0.85fr;
  }
}