/* ==========================================================================
   css/elena.css — Elena Voss Portfolio Template V3 Tasarım Uyarlaması
   Obsidyen sıcak zemin (#070707), gün batımı güneş gradyanı (#F16B0D -> #E61416),
   çift sütunlu hero marquee, dikey zaman çizgili portfolyo, yatay yetkinlik kartları,
   etkileşimli ödül/başarı önizlemesi, avatar seçicili tavsiyeler ve akordeon SSS.
   Sıfır em-dash, sıfır 3D/kuş, %100 saf Vanilla CSS.
   ========================================================================== */

/* ── Genel Elena Voss Gövde & Tipografi Temelleri ────────────────── */
body {
  background-color: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

::selection {
  background-color: var(--elena-orange);
  color: #070707;
}

/* ── Elena Voss İmza Butonu (Pill Button with Rolling Text) ─────── */
.elena-pill-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  background: #ffffff;
  color: #070707;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.95rem;
  line-height: 1.3;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.elena-pill-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(241, 107, 13, 0.35);
}

.elena-pill-btn__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #070707;
  display: inline-block;
  position: relative;
  flex-shrink: 0;
}

.elena-pill-btn__dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: inherit;
  opacity: 0.4;
  animation: elena-pulse 2s infinite ease-out;
}

@keyframes elena-pulse {
  0% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(2.2); opacity: 0; }
  100% { transform: scale(1); opacity: 0; }
}

.elena-pill-btn__text {
  display: block;
  height: 1.3em;
  overflow: hidden;
  position: relative;
}

.elena-pill-btn__roll {
  display: flex;
  flex-direction: column;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.elena-pill-btn__roll span {
  display: block;
  height: 1.3em;
  line-height: 1.3;
  white-space: nowrap;
}

.elena-pill-btn:hover .elena-pill-btn__roll {
  transform: translateY(-50%);
}

/* Koyu modda ikincil varyant */
.elena-pill-btn--dark {
  background: #141414;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.15);
}
.elena-pill-btn--dark .elena-pill-btn__dot {
  background: var(--elena-orange);
}

/* ── Elena Voss Navbar ───────────────────────────────────────────── */
.navbar--elena {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: 18px 4vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: padding 0.35s ease, background-color 0.35s ease, backdrop-filter 0.35s ease, border-color 0.35s ease;
  border-bottom: 1px solid transparent;
}

.navbar--elena.is-scrolled {
  padding: 12px 4vw;
  background: rgba(7, 7, 7, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

[data-theme='light'] .navbar--elena.is-scrolled {
  background: rgba(251, 250, 247, 0.85);
  border-bottom-color: rgba(18, 17, 16, 0.08);
}

.navbar__brand-elena {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}

.navbar__brand-logo {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.navbar__brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--elena-grad);
  display: inline-block;
}

/* ── Elena Voss Hero: liquid particle sculpture (css/sculpture-hero.css) ── */

/* ── Elena Voss: Award Winning Work (Seçili Çalışmalar) ──────────── */
.portfolio-elena {
  position: relative;
  padding: 120px 0;
  background: #070707;
  color: #ffffff;
}

[data-theme='light'] .portfolio-elena {
  background: #f7f6f2;
  color: #121110;
}

.portfolio-elena__container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 4vw;
}

.portfolio-elena__header {
  text-align: center;
  margin-bottom: 70px;
}

.portfolio-elena__kicker {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--elena-orange);
  display: block;
  margin-bottom: 12px;
}

.portfolio-elena__heading {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(2.5rem, 5.5vw, 4.75rem);
  font-weight: 400;
  line-height: 1.1;
  margin: 0;
}

.portfolio-elena__layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5vw;
  align-items: center;
}

/* Sol Zaman Çizgisi ve Proje Listesi */
.portfolio-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-left: 28px;
}

.portfolio-timeline__track {
  position: absolute;
  left: 6px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: rgba(255, 255, 255, 0.15);
}

[data-theme='light'] .portfolio-timeline__track {
  background: rgba(18, 17, 16, 0.15);
}

.portfolio-timeline__bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--elena-grad);
  height: 0%;
  transition: height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.portfolio-nav-item {
  position: relative;
  padding: 16px 20px;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.3s ease;
  background: transparent;
  text-align: left;
  border: none;
  width: 100%;
  color: inherit;
}

.portfolio-nav-item:hover {
  background: rgba(255, 255, 255, 0.04);
}

.portfolio-nav-item.is-active {
  background: rgba(255, 255, 255, 0.07);
}

[data-theme='light'] .portfolio-nav-item.is-active {
  background: rgba(18, 17, 16, 0.05);
}

.portfolio-nav-item__dot {
  position: absolute;
  left: -28px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #141414;
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
}

.portfolio-nav-item.is-active .portfolio-nav-item__dot {
  background: var(--elena-orange);
  border-color: #ffffff;
  box-shadow: 0 0 14px var(--elena-orange);
  transform: translateY(-50%) scale(1.2);
}

.portfolio-nav-item__title {
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  font-weight: 500;
  margin: 0 0 6px 0;
  transition: color 0.3s ease;
}

.portfolio-nav-item.is-active .portfolio-nav-item__title {
  color: var(--elena-orange);
}

.portfolio-nav-item__subtitle {
  font-size: 0.9rem;
  color: var(--text-2);
  margin: 0;
}

/* Sağ Büyük Proje Önizleme Kartı */
.portfolio-display-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: #151515;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
  min-height: 520px;
  display: flex;
  flex-direction: column;
}

[data-theme='light'] .portfolio-display-card {
  background: #ffffff;
  border-color: rgba(18, 17, 16, 0.12);
  box-shadow: 0 20px 50px rgba(18, 17, 16, 0.1);
}

.portfolio-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  transform: scale(0.97);
  display: flex;
  flex-direction: column;
}

.portfolio-slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  position: relative;
}

.portfolio-slide__media {
  width: 100%;
  height: 340px;
  overflow: hidden;
  position: relative;
  background: #000;
}

.portfolio-slide__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.portfolio-display-card:hover .portfolio-slide.is-active .portfolio-slide__media img {
  transform: scale(1.04);
}

.portfolio-slide__info {
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1;
  gap: 18px;
}

.portfolio-slide__desc {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-2);
  margin: 0;
}

.portfolio-slide__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

[data-theme='light'] .portfolio-slide__footer {
  border-top-color: rgba(18, 17, 16, 0.08);
}

.portfolio-slide__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.portfolio-slide__tags li {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-weight: 500;
}

[data-theme='light'] .portfolio-slide__tags li {
  background: rgba(18, 17, 16, 0.06);
}

/* ── Elena Voss: Why Work With Me? (3 Sütunlu Kartlar) ───────────── */
.why-elena {
  padding: 100px 0;
  background: #070707;
  color: #ffffff;
  position: relative;
}

[data-theme='light'] .why-elena {
  background: #f7f6f2;
  color: #121110;
}

.why-elena__container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 4vw;
}

.why-elena__header {
  text-align: center;
  margin-bottom: 60px;
}

.why-elena__title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(2.25rem, 5vw, 4.25rem);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 16px 0;
}

.why-elena__subtitle {
  font-size: clamp(1rem, 1.25vw, 1.2rem);
  color: var(--text-2);
  margin: 0;
}

.why-elena__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.why-card {
  padding: 40px 32px;
  background: #141414;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 320px;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

[data-theme='light'] .why-card {
  background: #ffffff;
  border-color: rgba(18, 17, 16, 0.1);
}

.why-card:hover {
  transform: translateY(-6px);
  border-color: var(--elena-orange);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.why-card__icon {
  width: 48px;
  height: 48px;
  color: var(--elena-orange);
  margin-bottom: 24px;
}

.why-card__title {
  font-size: clamp(1.25rem, 1.6vw, 1.5rem);
  font-weight: 500;
  margin: 0 0 16px 0;
}

.why-card__desc {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-2);
  margin: 0 0 32px 0;
}

.why-card__line {
  position: relative;
  height: 2px;
  width: 100%;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

[data-theme='light'] .why-card__line {
  background: rgba(18, 17, 16, 0.1);
}

.why-card__line-fill {
  position: absolute;
  inset: 0;
  background: var(--elena-grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.why-card:hover .why-card__line-fill {
  transform: scaleX(1);
}

/* ── Elena Voss: Services & Capabilities (Yatay Kartlar) ────────── */
.services-elena {
  padding: 110px 0;
  background: #070707;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

[data-theme='light'] .services-elena {
  background: #f7f6f2;
  color: #121110;
}

.services-elena__container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 4vw;
}

.services-elena__header {
  max-width: 780px;
  margin-bottom: 50px;
}

.services-elena__title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 18px 0;
}

.services-elena__desc {
  font-size: clamp(1rem, 1.25vw, 1.15rem);
  line-height: 1.65;
  color: var(--text-2);
  margin: 0;
}

.services-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding-bottom: 24px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.services-track::-webkit-scrollbar {
  display: none;
}

.service-card {
  flex: 0 0 clamp(280px, 30vw, 360px);
  scroll-snap-align: start;
  min-height: 400px;
  padding: 32px;
  border-radius: 16px;
  background: #161616;
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
  cursor: default;
}

[data-theme='light'] .service-card {
  background: #ffffff;
  border-color: rgba(18, 17, 16, 0.12);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--elena-orange);
  box-shadow: 0 20px 45px rgba(240, 100, 13, 0.15);
}

/* Elena Voss Radial Mask Glow */
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--elena-grad);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  mask-image: radial-gradient(circle at top right, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at top right, black 0%, transparent 70%);
}

.service-card:hover::before {
  opacity: 0.18;
}

.service-card__top {
  display: flex;
  justify-content: flex-end;
  position: relative;
  z-index: 2;
}

/* Elena Voss Circular Arrow Button with sliding physics */
.service-card__arrow {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #ffffff;
  color: #070707;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: background 0.3s ease;
}

[data-theme='light'] .service-card__arrow {
  background: #070707;
  color: #ffffff;
}

.service-card__arrow svg {
  position: absolute;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card__arrow svg.arrow-main {
  transform: translate(0, 0);
}

.service-card__arrow svg.arrow-clone {
  transform: translate(-150%, 150%);
}

.service-card:hover .service-card__arrow svg.arrow-main {
  transform: translate(150%, -150%);
}

.service-card:hover .service-card__arrow svg.arrow-clone {
  transform: translate(0, 0);
}

.service-card__body {
  position: relative;
  z-index: 2;
}

.service-card__title {
  font-size: clamp(1.4rem, 2vw, 1.75rem);
  font-weight: 500;
  margin: 0 0 18px 0;
}

.service-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-card__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-2);
}

.service-card__list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--elena-orange);
  flex-shrink: 0;
}

/* ── Elena Voss: Awards and Industry Recognition ─────────────────── */
.awards-elena {
  padding: 100px 0;
  background: #070707;
  color: #ffffff;
  position: relative;
}

[data-theme='light'] .awards-elena {
  background: #f7f6f2;
  color: #121110;
}

.awards-elena__container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 4vw;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 5vw;
  align-items: center;
}

.awards-elena__list {
  display: flex;
  flex-direction: column;
}

.award-item {
  padding: 24px 0;
  position: relative;
  cursor: pointer;
  transition: padding-left 0.3s ease;
}

.award-item:hover {
  padding-left: 12px;
}

.award-item__title {
  font-size: clamp(1.2rem, 1.8vw, 1.6rem);
  font-weight: 400;
  margin: 0 0 6px 0;
  transition: color 0.3s ease;
}

.award-item:hover .award-item__title {
  color: var(--elena-orange);
}

.award-item__meta {
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  color: var(--text-3);
  margin: 0;
}

.award-item__line {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
}

[data-theme='light'] .award-item__line {
  background: rgba(18, 17, 16, 0.12);
}

.award-item__line::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--elena-grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.award-item:hover .award-item__line::after {
  transform: scaleX(1);
}

/* Elena Voss Sağ Kayan Canlı Önizleme Kutusu */
.awards-preview-box {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 16px;
  overflow: hidden;
  background: #151515;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  position: relative;
}

[data-theme='light'] .awards-preview-box {
  background: #ffffff;
  border-color: rgba(18, 17, 16, 0.12);
  box-shadow: 0 15px 40px rgba(18, 17, 16, 0.1);
}

.awards-preview-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.4s ease, transform 0.5s ease;
  transform: scale(1.04);
}

.awards-preview-img.is-active {
  opacity: 1;
  transform: scale(1);
}

/* ── Elena Voss: Ecosystem & Technologies Grid ───────────────────── */
.ecosystem-elena {
  padding: 90px 0;
  background: #070707;
  color: #ffffff;
  text-align: center;
}

[data-theme='light'] .ecosystem-elena {
  background: #f7f6f2;
  color: #121110;
}

.ecosystem-elena__statement {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(2rem, 4.5vw, 3.75rem);
  font-weight: 400;
  line-height: 1.2;
  max-width: 900px;
  margin: 0 auto 50px auto;
  padding: 0 4vw;
}

.ecosystem-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 4vw;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.ecosystem-card {
  padding: 24px 16px;
  border-radius: 12px;
  background: #141414;
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--text-2);
  transition: all 0.3s ease;
}

[data-theme='light'] .ecosystem-card {
  background: #ffffff;
  border-color: rgba(18, 17, 16, 0.08);
}

.ecosystem-card:hover {
  color: #ffffff;
  border-color: var(--elena-orange);
  background: rgba(240, 100, 13, 0.08);
  transform: translateY(-3px);
}

[data-theme='light'] .ecosystem-card:hover {
  color: #121110;
}

/* ── Elena Voss: Testimonials (Avatar Seçici) ────────────────────── */
.testimonials-elena {
  padding: 100px 0;
  background: #070707;
  color: #ffffff;
  text-align: center;
}

[data-theme='light'] .testimonials-elena {
  background: #f7f6f2;
  color: #121110;
}

.testimonials-elena__container {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 4vw;
}

.testimonials-elena__title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(2.25rem, 4.5vw, 4rem);
  font-weight: 400;
  margin: 0 0 50px 0;
}

/* Avatar Butonları Satırı */
.testimonial-avatars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
}

.testimonial-avatar-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  padding: 3px;
  border: 2px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: transform 0.3s ease, border-color 0.3s ease, opacity 0.3s ease;
  opacity: 0.5;
  overflow: hidden;
}

.testimonial-avatar-btn:hover {
  opacity: 0.85;
  transform: scale(1.08);
}

.testimonial-avatar-btn.is-active {
  opacity: 1;
  transform: scale(1.15);
  border-color: var(--elena-orange);
  box-shadow: 0 0 20px rgba(240, 100, 13, 0.4);
}

.testimonial-avatar-btn img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

/* Alıntı Kutusu */
.testimonial-quote-box {
  padding: 50px 40px;
  border-radius: 24px;
  background: #141414;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  position: relative;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

[data-theme='light'] .testimonial-quote-box {
  background: #ffffff;
  border-color: rgba(18, 17, 16, 0.1);
  box-shadow: 0 15px 40px rgba(18, 17, 16, 0.08);
}

.testimonial-quote-text {
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 24px 0;
  font-style: italic;
  transition: opacity 0.35s ease;
}

[data-theme='light'] .testimonial-quote-text {
  color: var(--text);
}

.testimonial-author-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--elena-orange);
  margin: 0 0 4px 0;
}

.testimonial-author-role {
  font-size: 0.9rem;
  color: var(--text-2);
  margin: 0;
}

.testimonial-nav-arrows {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 30px;
}

.testimonial-arrow-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

[data-theme='light'] .testimonial-arrow-btn {
  border-color: rgba(18, 17, 16, 0.2);
  color: #121110;
}

.testimonial-arrow-btn:hover {
  background: var(--elena-grad);
  border-color: transparent;
  color: #ffffff;
  transform: scale(1.08);
}

/* ── Elena Voss: Frequently Asked Questions (FAQ) ────────────────── */
.faq-elena {
  padding: 100px 0;
  background: #070707;
  color: #ffffff;
}

[data-theme='light'] .faq-elena {
  background: #f7f6f2;
  color: #121110;
}

.faq-elena__container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 4vw;
}

.faq-elena__title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(2.25rem, 4.75vw, 4rem);
  font-weight: 400;
  text-align: center;
  margin: 0 0 50px 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 28px 0;
}

[data-theme='light'] .faq-item {
  border-bottom-color: rgba(18, 17, 16, 0.12);
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: transparent;
  border: none;
  color: inherit;
  font-family: inherit;
  font-size: clamp(1.15rem, 1.6vw, 1.45rem);
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  padding: 0;
}

/* Elena Voss Plus / Rotate Circle Button */
.faq-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme='light'] .faq-icon {
  border-color: rgba(18, 17, 16, 0.2);
}

.faq-icon__h,
.faq-icon__v {
  position: absolute;
  background: #ffffff;
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease;
}

[data-theme='light'] .faq-icon__h,
[data-theme='light'] .faq-icon__v {
  background: #121110;
}

.faq-icon__h {
  width: 16px;
  height: 2px;
}

.faq-icon__v {
  width: 2px;
  height: 16px;
}

.faq-item.is-open .faq-icon {
  background: var(--elena-grad);
  border-color: transparent;
}

.faq-item.is-open .faq-icon__h,
.faq-item.is-open .faq-icon__v {
  background: #ffffff;
}

.faq-item.is-open .faq-icon__v {
  transform: rotate(90deg);
  opacity: 0;
}

.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
}

.faq-item.is-open .faq-panel {
  max-height: 400px;
  padding-top: 18px;
}

.faq-answer {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-2);
  margin: 0;
  max-width: 800px;
}

/* ── Elena Voss: Footer Glassmorphism Card ───────────────────────── */
.footer-elena {
  position: relative;
  padding: 100px 4vw 40px 4vw;
  background: #070707;
  color: #ffffff;
  overflow: hidden;
}

[data-theme='light'] .footer-elena {
  background: #f7f6f2;
  color: #121110;
}

/* Elena Voss Solar Footer Gradient Glow */
.footer-elena__ambient {
  position: absolute;
  bottom: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 400px;
  background: radial-gradient(ellipse at center, rgba(240, 100, 13, 0.28) 0%, rgba(230, 20, 22, 0.15) 45%, transparent 70%);
  pointer-events: none;
}

.footer-elena__card {
  position: relative;
  z-index: 2;
  max-width: 1300px;
  margin: 0 auto;
  border-radius: 32px;
  background: rgba(20, 20, 20, 0.65);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 70px 60px;
  display: flex;
  flex-direction: column;
  gap: 60px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}

[data-theme='light'] .footer-elena__card {
  background: rgba(255, 255, 255, 0.75);
  border-color: rgba(18, 17, 16, 0.12);
  box-shadow: 0 20px 60px rgba(18, 17, 16, 0.08);
}

.footer-elena__cta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-elena__cta-title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 400;
  line-height: 1.1;
  max-width: 650px;
  margin: 0;
}

.footer-elena__info-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 30px;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme='light'] .footer-elena__info-row {
  border-top-color: rgba(18, 17, 16, 0.1);
}

.footer-contact-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-contact-item__label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--elena-orange);
}

.footer-contact-item__val {
  font-size: 1.25rem;
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-contact-item__val:hover {
  color: var(--elena-orange);
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-social-pill {
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: inherit;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

[data-theme='light'] .footer-social-pill {
  background: rgba(18, 17, 16, 0.05);
  border-color: rgba(18, 17, 16, 0.12);
}

.footer-social-pill:hover {
  background: var(--elena-grad);
  border-color: transparent;
  color: #ffffff;
  transform: translateY(-2px);
}

.footer-elena__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-3);
  padding-top: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

/* ── Responsive Uyarlamalar ───────────────────────────────────────── */
@media (max-width: 1024px) {
  .portfolio-elena__layout {
    grid-template-columns: 1fr;
  }
  .why-elena__grid {
    grid-template-columns: 1fr;
  }
  .awards-elena__container {
    grid-template-columns: 1fr;
  }
  .awards-preview-box {
    display: none;
  }
  .ecosystem-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-elena__card {
    padding: 40px 30px;
    gap: 40px;
  }
}

@media (max-width: 640px) {
  /* Dar ekranda üst çubuk taşmasın: dil/tema/CTA çekmeceye taşındı
     (navbar__menu-controls içinde kopyaları var), yalnız hamburger kalır */
  .navbar__controls .seg,
  .navbar__controls .navbar__cta {
    display: none;
  }
  .navbar__menu-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
  }
  .ecosystem-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .testimonial-quote-box {
    padding: 30px 20px;
  }
}
