/* ============================================
   VARYASYON C — Kurumsal Mühendislik Tarzı
   Koyu lacivert tema, angled hero, stats row,
   process timeline, bento proje grid
   ============================================ */

/* --- Poppins Font Override --- */
body.variation-c,
body.variation-c h1,
body.variation-c h2,
body.variation-c h3,
body.variation-c h4,
body.variation-c h5,
body.variation-c h6,
body.variation-c .nav__links a,
body.variation-c .btn,
body.variation-c .label,
body.variation-c .section-header p,
body.variation-c .stat__number,
body.variation-c .stats-row__item strong,
body.variation-c .process-step__num,
body.variation-c .testimonial-c-card p,
body.variation-c .footer__col h4,
body.variation-c .footer__col ul li a,
body.variation-c .footer__brand p,
body.variation-c input,
body.variation-c textarea,
body.variation-c select,
body.variation-c button {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* --- Color Tokens --- */
:root {
  --c-navy: #0F1C3F;
  --c-navy-light: #1A2D5A;
  --c-navy-mid: #152247;
  --c-blue-accent: #2563EB;
  --c-blue-light: #60A5FA;
  --c-gold: #D4A04A;
  --c-warm-white: #FAFAF8;
  --c-border: #E5E7EB;
  --c-text: #374151;
  --c-text-light: #6B7280;
}

/* --- Wider Layout Override for Variation C --- */
body.variation-c .container {
  max-width: 1440px;
}
body.variation-c .stats-row__inner {
  max-width: 1440px;
}
body.variation-c .icon-features__grid,
body.variation-c .icon-features__header,
body.variation-c .breathing__grid,
body.variation-c .eco-section__inner,
body.variation-c .news-insights__grid,
body.variation-c .news-insights__header {
  max-width: 1440px;
}

/* --- Header Dark Transparent --- */
.header--c {
  background: linear-gradient(to bottom, rgba(15,28,63,0.95), rgba(15,28,63,0.85));
  backdrop-filter: blur(12px);
}

.header--c.scrolled {
  background: rgba(15,28,63,0.98);
  box-shadow: 0 4px 30px rgba(0,0,0,0.15);
}

.header--c .nav__links a {
  color: rgba(255,255,255,0.8);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.2px;
}

.header--c .nav__links a:hover {
  color: #fff;
}

.header--c .nav__hamburger span {
  background: #fff;
}

.header--c .nav__mobile {
  background: var(--c-navy);
}

.header--c .nav__mobile a {
  color: rgba(255,255,255,0.85);
  border-bottom-color: rgba(255,255,255,0.1);
}

/* --- Hero Split (Angled) --- */
.hero-split {
  position: relative;
  min-height: 85vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  background: var(--c-navy);
}

.hero-split__text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 60px 80px 0;
  padding-left: max(24px, calc((100vw - 1200px) / 2));
  z-index: 2;
}

.hero-split__text .label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 16px;
}

.hero-split__text h1 {
  color: #fff;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-split__text p {
  color: rgba(255,255,255,0.7);
  font-size: 1.05rem;
  max-width: 480px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-split__text .hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-split__images {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 8px;
  padding: 100px 24px 24px;
}

.hero-split__images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}

/* Gallery wrapper — first child spans 2 rows */
.hero-split__images .hero-gallery:first-child,
.hero-split__images img:first-child {
  grid-row: 1 / 3;
  border-radius: 12px;
}

.hero-gallery {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
}

.hero-gallery img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1s ease;
}

.hero-gallery img.active {
  opacity: 1;
}

.hero-gallery:first-child {
  border-radius: 12px;
}

@media (max-width: 900px) {
  .hero-split {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-split__text {
    padding: 120px 24px 40px;
  }
  .hero-split__images {
    padding: 0 24px 40px;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 200px;
    gap: 8px;
  }
  .hero-split__images .hero-gallery:first-child,
  .hero-split__images img:first-child {
    grid-row: auto;
  }
  .hero-split__images > :nth-child(3) {
    display: none;
  }
}

/* --- Stats Row --- */
.stats-row {
  background: #fff;
  padding: 48px 0;
  border-bottom: 1px solid var(--c-border);
}

.stats-row__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 24px;
}

.stats-row__item {
  text-align: center;
}

.stats-row__item strong {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--c-navy);
  line-height: 1;
}

.stats-row__item span {
  font-size: 0.85rem;
  color: var(--c-text-light);
  margin-top: 6px;
  display: block;
}

@media (max-width: 640px) {
  .stats-row__item {
    flex: 0 0 calc(50% - 12px);
  }
  .stats-row__item strong {
    font-size: 2rem;
  }
}

/* --- About with Checkmarks --- */
.about-c {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-c__image {
  border-radius: 12px;
  overflow: hidden;
}

.about-c__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-c__text .label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 12px;
  display: block;
}

.about-c__text h2 {
  margin-bottom: 20px;
}

.about-c__text > p {
  color: var(--c-text-light);
  margin-bottom: 28px;
  line-height: 1.7;
}

.about-c__checks {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-c__check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.about-c__check-icon {
  width: 24px;
  height: 24px;
  min-width: 24px;
  background: var(--c-navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.about-c__check-icon svg {
  color: #fff;
}

.about-c__check h4 {
  font-size: 1rem;
  margin-bottom: 2px;
  color: var(--c-navy);
}

.about-c__check p {
  font-size: 0.88rem;
  color: var(--c-text-light);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .about-c {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* --- Services Icon Grid --- */
.services-icon-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-icon-card {
  padding: 32px 24px;
  border-radius: 12px;
  border: 1px solid var(--c-border);
  text-align: center;
  transition: all 0.3s ease;
  background: #fff;
}

.service-icon-card:hover {
  box-shadow: 0 12px 40px rgba(15,28,63,0.1);
  transform: translateY(-4px);
  border-color: transparent;
}

.service-icon-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: rgba(15,28,63,0.06);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-navy);
}

.service-icon-card h4 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--c-navy);
}

.service-icon-card p {
  font-size: 0.85rem;
  color: var(--c-text-light);
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .services-icon-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .services-icon-grid { grid-template-columns: 1fr; }
}

/* --- Projects Bento Grid --- */
.projects-bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 360px 280px;
  gap: 16px;
}

.project-bento-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
}

.project-bento-card:first-child {
  grid-row: 1 / 3;
}

.project-bento-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-bento-card:hover img {
  transform: scale(1.05);
}

.project-bento-card__info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  background: linear-gradient(to top, rgba(15,28,63,0.9), transparent);
  z-index: 2;
}

.project-bento-card__info .tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--c-gold);
  margin-bottom: 4px;
  display: block;
}

.project-bento-card__info h3 {
  color: #fff;
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.project-bento-card__info p {
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .projects-bento {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .project-bento-card {
    min-height: 280px;
  }
  .project-bento-card:first-child {
    grid-row: auto;
  }
}

/* --- Process Timeline --- */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: var(--c-border);
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process-step__num {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--c-navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Poppins', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
}

.process-step h4 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--c-navy);
}

.process-step p {
  font-size: 0.85rem;
  color: var(--c-text-light);
  line-height: 1.5;
  max-width: 240px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .process-timeline {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .process-timeline::before {
    display: none;
  }
}

@media (max-width: 480px) {
  .process-timeline {
    grid-template-columns: 1fr;
  }
}

/* --- Testimonials Slider (C) --- */
.testimonials-c {
  background: var(--c-warm-white);
}

.testimonial-c-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-c-card {
  background: #fff;
  border-radius: 12px;
  padding: 32px;
  border: 1px solid var(--c-border);
  transition: box-shadow 0.3s ease;
}

.testimonial-c-card:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}

.testimonial-c-card__stars {
  color: var(--c-gold);
  margin-bottom: 16px;
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.testimonial-c-card p {
  font-size: 0.95rem;
  color: var(--c-text);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-c-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-c-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--c-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
}

.testimonial-c-card__author strong {
  display: block;
  font-size: 0.9rem;
  color: var(--c-navy);
}

.testimonial-c-card__author span {
  font-size: 0.8rem;
  color: var(--c-text-light);
}

@media (max-width: 768px) {
  .testimonial-c-grid {
    grid-template-columns: 1fr;
  }
}

/* --- CTA Section Dark --- */
.cta-dark {
  background: var(--c-navy);
  padding: 80px 0;
  text-align: center;
}

.cta-dark h2 {
  color: #fff;
  margin-bottom: 16px;
}

.cta-dark p {
  color: rgba(255,255,255,0.7);
  max-width: 560px;
  margin: 0 auto 32px;
}

/* --- Footer C --- */
.footer--c {
  background: #0A1428;
}

/* Utility */
.btn--c-primary {
  background: var(--c-blue-accent);
  color: #fff;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-block;
  transition: all 0.3s ease;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.btn--c-primary:hover {
  background: #1D4ED8;
  transform: translateY(-1px);
}

.btn--c-outline {
  background: transparent;
  color: #fff;
  padding: 0.85rem 2rem;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.9rem;
  display: inline-block;
  transition: all 0.3s ease;
  text-decoration: none;
  border: 1.5px solid rgba(255,255,255,0.3);
  cursor: pointer;
}

.btn--c-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.05);
}

/* --- Scroll Banner (C theme override) --- */
.scroll-banner--c {
  background: var(--c-navy);
  border-top-color: rgba(255,255,255,0.06);
  border-bottom-color: rgba(255,255,255,0.06);
}
.scroll-banner--c .scroll-banner__item {
  color: rgba(255,255,255,0.45);
}

/* --- Horizontal Accordion (Projects) --- */
.h-accordion {
  display: flex;
  height: 420px;
  border-radius: 14px;
  overflow: hidden;
  background: var(--c-warm-white);
  border: 1px solid var(--c-border);
}

.h-accordion__item {
  position: relative;
  flex: 0 0 72px;
  overflow: hidden;
  cursor: pointer;
  transition: flex 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  border-right: 1px solid var(--c-border);
}

.h-accordion__item:last-child { border-right: none; }

.h-accordion__item.active {
  flex: 1 1 auto;
}

.h-accordion__tab {
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: 24px;
  z-index: 3;
  background: rgba(255,255,255,0.95);
  transition: background 0.4s ease;
}

.h-accordion__item.active .h-accordion__tab {
  background: transparent;
}

.h-accordion__tab-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--c-text-light);
  margin-bottom: 16px;
  transition: all 0.3s ease;
}

.h-accordion__item.active .h-accordion__tab-num {
  border-color: #fff;
  color: #fff;
}

.h-accordion__tab-title {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-text);
  letter-spacing: 0.5px;
  white-space: nowrap;
  transition: color 0.3s ease;
}

.h-accordion__item.active .h-accordion__tab-title {
  color: rgba(255,255,255,0.85);
}

.h-accordion__bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.h-accordion__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.h-accordion__item.active .h-accordion__bg img {
  opacity: 1;
}

.h-accordion__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,28,63,0.85) 0%, rgba(15,28,63,0.2) 50%, transparent);
  z-index: 1;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.h-accordion__item.active .h-accordion__bg::after {
  opacity: 1;
}

.h-accordion__content {
  position: absolute;
  bottom: 0;
  left: 80px;
  right: 0;
  padding: 32px;
  z-index: 3;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease 0.15s, transform 0.4s ease 0.15s;
}

.h-accordion__item.active .h-accordion__content {
  opacity: 1;
  transform: translateY(0);
}

.h-accordion__content h3 {
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.h-accordion__content p {
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
  line-height: 1.6;
  max-width: 460px;
}

@media (max-width: 768px) {
  .h-accordion {
    flex-direction: column;
    height: auto;
  }
  .h-accordion__item {
    flex: 0 0 56px;
    border-right: none;
    border-bottom: 1px solid var(--c-border);
  }
  .h-accordion__item.active {
    flex: 0 0 320px;
  }
  .h-accordion__tab {
    width: 100%;
    height: 56px;
    flex-direction: row;
    padding: 0 20px;
    justify-content: flex-start;
    gap: 14px;
  }
  .h-accordion__tab-title {
    writing-mode: horizontal-tb;
  }
  .h-accordion__content {
    left: 0;
    padding: 24px;
  }
}

/* --- Varyasyon C Font Size Uyumu --- */

/* Section header — tüm sayfada tutarlı */
body.variation-c .section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

body.variation-c .section-header p {
  font-size: 0.95rem;
}

/* About */
body.variation-c .about-c__text h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

body.variation-c .about-c__text > p {
  font-size: 0.95rem;
}

/* Service icon cards */
body.variation-c .service-icon-card h4 {
  font-size: 1.05rem;
}

body.variation-c .service-icon-card p {
  font-size: 0.9rem;
}

/* Process timeline */
body.variation-c .process-step p {
  font-size: 0.9rem;
}

/* Icon features (Neden Assun) */
body.variation-c .icon-features__header h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

body.variation-c .icon-features__item h4 {
  font-size: 1.1rem;
}

body.variation-c .icon-features__item p {
  font-size: 0.9rem;
}

/* CTA Dark */
body.variation-c .cta-dark h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

body.variation-c .cta-dark p {
  font-size: 0.95rem;
}

/* Testimonials */
body.variation-c .testimonial-c-card__author strong {
  font-size: 0.92rem;
}

/* --- News-Insights C Override — font uyumu --- */
body.variation-c .news-insights__header h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

body.variation-c .news-insights__header p {
  font-size: 0.95rem;
}

body.variation-c .news-insights__featured-content h3 {
  font-size: 1.35rem;
}

body.variation-c .news-insights__featured-content p {
  font-size: 0.88rem;
}

body.variation-c .news-insights__item-text h4 {
  font-size: 1rem;
}

body.variation-c .news-insights__item-text p {
  font-size: 0.85rem;
}