/* ============================================
   VARYASYON B — Özel Stiller
   Beyaz nav, kısa banner, farklı layout
   Renk Teması: Lacivert / Navy + Sıcak Altın
   ============================================ */

/* --- Montserrat Font Override (Kurumsal) --- */
body,
body h1, body h2, body h3, body h4, body h5, body h6,
body .nav__links a,
body .btn,
body .label,
body .section-header p,
body .stat__number,
body .stat__label,
body .service-card__number,
body .testimonial__quote,
body .footer__col h4,
body .footer__col ul li a,
body .footer__brand p,
body input, body textarea, body select,
body button {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* --- Color Override (Lacivert Tema) --- */
:root {
  --b-primary: #1B2A4A;
  --b-primary-light: #2A3F6A;
  --b-primary-dark: #111D36;
  --b-gold: #C9A96E;
  --b-gold-light: #D4B882;
  --b-warm-bg: #FAF8F5;
  --b-champagne: #F0E6D8;

  /* Font Override — Montserrat everywhere */
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Override primary colors for page-b elements */
body .header--white .nav__links a:hover { color: var(--b-primary); }
body .btn--primary { background-color: var(--b-primary); }
body .btn--primary:hover { background-color: var(--b-primary-light); }
body .btn--outline-dark { color: var(--b-primary); border-color: var(--b-primary); }
body .btn--outline-dark:hover { background-color: var(--b-primary); color: #fff; }
body .btn--gold { background-color: var(--b-gold); }
body .btn--gold:hover { background-color: var(--b-gold-light); }
body .section--alt { background-color: var(--b-warm-bg); }
body .section-header .label { color: var(--b-gold); }
body .about__text .label { color: var(--b-gold); }
body .stat__number { color: var(--b-primary); }
body .filter-btn:hover,
body .filter-btn.active { background: var(--b-primary); border-color: var(--b-primary); }
body .contact__item-icon { background: var(--b-champagne); color: var(--b-primary); }
body .form-group input:focus,
body .form-group textarea:focus,
body .form-group select:focus { border-color: var(--b-primary); }

/* --- Header Transparent (hero slider üstünde) --- */
.header--b-trans {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom: none;
}

.header--b-trans .nav__links a {
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
}

.header--b-trans .nav__links a:hover {
  color: #fff;
  text-shadow: 0 0 8px rgba(255,255,255,0.3);
}

.header--b-trans .nav__hamburger span {
  background-color: #fff;
}

.header--b-trans .btn--primary {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
}

.header--b-trans .btn--primary:hover {
  background: rgba(255,255,255,0.25);
}

.header--b-trans .lang-switch {
  border-color: rgba(255,255,255,0.2);
}

.header--b-trans .lang-switch__btn {
  color: rgba(255,255,255,0.5);
}

.header--b-trans .lang-switch__btn.active {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

/* Header scrolled — beyaz arka plan */
.header--b-trans.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.header--b-trans.scrolled .nav__links a {
  color: var(--color-gray-700, #4A4A4A);
  font-size: 1rem;
}

.header--b-trans.scrolled .nav__links a:hover {
  color: var(--b-primary);
}

.header--b-trans.scrolled .nav__hamburger span {
  background-color: #333;
}

.header--b-trans.scrolled .btn--primary {
  background: var(--b-primary);
  border: none;
  color: #fff;
}

.header--b-trans.scrolled .lang-switch {
  border-color: rgba(0,0,0,0.12);
}

.header--b-trans.scrolled .lang-switch__btn {
  color: rgba(0,0,0,0.35);
}

.header--b-trans.scrolled .lang-switch__btn.active {
  background: rgba(0,0,0,0.06);
  color: #1a1a1a;
}

/* --- Hero Content Center --- */
.hero__content--center {
  align-items: center;
  text-align: center;
}

.hero__content--center p {
  margin-left: auto;
  margin-right: auto;
}

.hero__content--center h1 {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Stats Band --- */
.stats-band {
  background-color: var(--b-primary);
  padding: 1.8rem 0;
}

.stats-band__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.stats-band__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-white);
}

.stats-band__item strong {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.stats-band__item span {
  font-size: 0.85rem;
  opacity: 0.75;
}

.stats-band__divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.2);
}

@media (max-width: 768px) {
  .stats-band__inner {
    gap: 1.5rem;
  }
  .stats-band__divider {
    display: none;
  }
  .stats-band__item {
    flex: 0 0 calc(50% - 1rem);
    justify-content: center;
  }
}

/* --- About Reversed --- */
.about--reversed {
  display: flex;
  flex-direction: row-reverse;
  gap: var(--space-xl);
}

.about--reversed > * {
  flex: 1;
}

@media (max-width: 768px) {
  .about--reversed {
    flex-direction: column;
  }
}

/* --- Services Horizontal Cards --- */
.services-horizontal {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.service-h-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

.service-h-card:last-child {
  border-bottom: none;
}

.service-h-card:hover {
  padding-left: var(--space-md);
}

.service-h-card__num {
  font-family: 'Montserrat', sans-serif;
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--b-champagne);
  line-height: 1;
  min-width: 80px;
}

.service-h-card__content h3 {
  font-size: 1.4rem;
  color: var(--b-primary);
  margin-bottom: var(--space-xs);
}

.service-h-card__content p {
  font-size: 0.95rem;
  color: var(--color-gray-700);
  max-width: 600px;
}

@media (max-width: 640px) {
  .service-h-card {
    gap: var(--space-md);
  }
  .service-h-card__num {
    font-size: 2.5rem;
    min-width: 50px;
  }
}

/* --- Projects Large Grid (RAMS Style) --- */
.projects-large-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto;
  gap: var(--space-md);
}

.project-large {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  min-height: 320px;
  cursor: pointer;
}

.project-large--featured {
  grid-column: 1 / -1;
  min-height: 480px;
}

.project-large img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transition: transform var(--transition-slow);
}

.project-large:hover img {
  transform: scale(1.04);
}

.project-large__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,26,26,0.85) 0%, rgba(26,26,26,0.1) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  z-index: 2;
}

.project-large__overlay .tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 6px;
}

.project-large__overlay h3 {
  color: var(--color-white);
  font-size: 1.6rem;
  margin-bottom: var(--space-xs);
}

.project-large--featured .project-large__overlay h3 {
  font-size: 2.2rem;
}

.project-large__overlay p {
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
  max-width: 480px;
  margin-bottom: var(--space-md);
}

.project-large__overlay .btn {
  align-self: flex-start;
}

@media (max-width: 768px) {
  .projects-large-grid {
    grid-template-columns: 1fr;
  }
  .project-large--featured {
    min-height: 350px;
  }
  .project-large {
    min-height: 260px;
  }
}

/* --- Values Strip --- */
.values-strip {
  display: flex;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-md) 0;
}

.value-strip-item {
  text-align: center;
  flex: 1;
  padding: var(--space-md);
  border-right: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

.value-strip-item:last-child {
  border-right: none;
}

.value-strip-item:hover {
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
}

.value-strip-item__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-sm);
  background: var(--b-champagne);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--b-primary);
}

.value-strip-item h4 {
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--color-anthracite);
}

.value-strip-item p {
  font-size: 0.8rem;
  color: var(--color-gray-500);
}

@media (max-width: 900px) {
  .values-strip {
    flex-wrap: wrap;
  }
  .value-strip-item {
    flex: 0 0 calc(33.33% - 1rem);
    border-right: none;
    border-bottom: 1px solid var(--color-gray-200);
    padding-bottom: var(--space-md);
  }
  .value-strip-item:nth-last-child(-n+2) {
    border-bottom: none;
  }
}

@media (max-width: 640px) {
  .value-strip-item {
    flex: 0 0 calc(50% - 0.5rem);
  }
}

/* --- CTA Split --- */
.cta-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 480px;
}

.cta-split__left {
  position: relative;
  overflow: hidden;
}

.cta-split__left img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.cta-split__right {
  background: var(--b-primary);
  display: flex;
  align-items: center;
  padding: var(--space-2xl);
}

.cta-split__content {
  max-width: 480px;
}

.cta-split__content .label {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--b-gold);
  margin-bottom: var(--space-sm);
  display: block;
}

.cta-split__content h2 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.cta-split__content p {
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-lg);
}

@media (max-width: 768px) {
  .cta-split {
    grid-template-columns: 1fr;
  }
  .cta-split__left {
    min-height: 300px;
  }
  .cta-split__right {
    padding: var(--space-xl) var(--container-padding);
  }
}

/* --- Section Header Left Align Override --- */
.section-header.text-left {
  text-align: left;
}

.section-header.text-left p {
  margin-left: 0;
}

/* --- Hero B Slider (E tarzı) --- */
.hero-b-slider {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.hero-b-slider__slides { position: absolute; inset: 0; }

.hero-b-slider__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.hero-b-slider__slide.active { opacity: 1; z-index: 2; }

.hero-b-slider__slide img {
  width: 100%; height: 100%; object-fit: cover;
}

.hero-b-slider__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(14,26,48,0.25) 0%, rgba(14,26,48,0.6) 100%);
}

.hero-b-slider__content {
  position: absolute; inset: 0; z-index: 3;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 0 24px;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s ease 0.2s, transform 0.6s ease 0.2s;
}

.hero-b-slider__slide.active .hero-b-slider__content {
  opacity: 1; transform: translateY(0);
}

.hero-b-slider__project-name {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 4px;
  text-transform: uppercase; color: rgba(255,255,255,0.6);
  margin-bottom: 16px; display: block;
}

.hero-b-slider__content h1 {
  color: #fff; font-family: 'Montserrat', sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 800;
  line-height: 1.1; margin-bottom: 32px;
}

.hero-b-slider__cta-pill {
  display: inline-flex; align-items: center; gap: 0;
  background: transparent; border: 1.5px solid rgba(255,255,255,0.4);
  border-radius: 100px; padding: 6px 6px 6px 24px;
  color: #fff; text-decoration: none; font-size: 0.88rem; font-weight: 500;
  transition: all 0.3s ease;
}

.hero-b-slider__cta-pill:hover {
  border-color: rgba(255,255,255,0.8); background: rgba(255,255,255,0.08);
}

.hero-b-slider__cta-arrow {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  background: #fff; color: var(--b-primary, #1B2A4A); margin-left: 16px;
  transition: background 0.3s ease;
}

.hero-b-slider__cta-arrow svg { stroke: var(--b-primary, #1B2A4A); }

/* Bullets — sol alt */
.hero-b-slider__bullets {
  position: absolute; bottom: 40px; left: 48px; z-index: 10;
  display: flex; align-items: center; gap: 10px;
}

.hero-b-slider__bullet {
  width: 10px; height: 10px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.4);
  background: transparent; cursor: pointer; padding: 0;
  transition: all 0.3s ease;
}

.hero-b-slider__bullet.active {
  width: 12px; height: 12px; border-color: #fff; background: #fff;
  box-shadow: 0 0 0 3px rgba(255,255,255,0.2);
}

/* Arrows — sağ alt */
.hero-b-slider__arrows {
  position: absolute; bottom: 36px; right: 48px; z-index: 10;
  display: flex; gap: 10px;
}

.hero-b-slider__arrow-btn {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.35);
  background: rgba(0,0,0,0.15); backdrop-filter: blur(6px);
  color: #fff; display: flex; align-items: center; justify-content: center;
  cursor: pointer; padding: 0; transition: all 0.3s ease;
}

.hero-b-slider__arrow-btn:hover {
  border-color: rgba(255,255,255,0.7); background: rgba(255,255,255,0.12);
}

@media (max-width: 768px) {
  .hero-b-slider { height: 85vh; min-height: 500px; }
  .hero-b-slider__bullets { left: 24px; bottom: 28px; }
  .hero-b-slider__arrows { right: 24px; bottom: 24px; }
  .hero-b-slider__arrow-btn { width: 38px; height: 38px; }
}

/* --- Footer B — Kurumsal 4-Sütun --- */
.footer-b {
  background: var(--b-primary-dark);
  color: #fff;
  padding: 64px 0 0;
}

.footer-b__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px 48px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
}

/* Brand */
.footer-b__brand img {
  height: 32px;
  margin-bottom: 18px;
}

.footer-b__brand p {
  color: rgba(255,255,255,0.55);
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: 20px;
}

.footer-b__social {
  display: flex;
  gap: 10px;
}

.footer-b__social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  transition: all 0.3s ease;
}

.footer-b__social a:hover {
  border-color: var(--b-gold);
  color: var(--b-gold);
  background: rgba(201,169,110,0.08);
}

/* Columns */
.footer-b__col h4 {
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.footer-b__col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--b-gold);
  border-radius: 2px;
}

.footer-b__col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-b__col ul li {
  margin-bottom: 10px;
}

.footer-b__col ul li a {
  color: rgba(255,255,255,0.55);
  font-size: 0.88rem;
  font-weight: 400;
  transition: color 0.2s ease, padding-left 0.2s ease;
  display: inline-block;
}

.footer-b__col ul li a:hover {
  color: var(--b-gold-light);
  padding-left: 4px;
}

/* Bottom bar */
.footer-b__bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-b__bottom span {
  color: rgba(255,255,255,0.3);
  font-size: 0.78rem;
}

.footer-b__bottom a {
  color: rgba(255,255,255,0.3);
  font-size: 0.78rem;
  transition: color 0.2s ease;
}

.footer-b__bottom a:hover {
  color: rgba(255,255,255,0.6);
}

@media (max-width: 900px) {
  .footer-b__inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px 32px;
  }
}

@media (max-width: 600px) {
  .footer-b__inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-b__bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* --- Varyasyon B: Carousel Genişlik Override --- */
.project-carousel--b .project-carousel__viewport {
  max-width: 1500px;
}

.project-carousel--b .project-carousel__slide {
  width: 660px;
  height: 400px;
}