:root {
  --turkuaz: #1abc9c;
  --sari: #f1c40f;
  --kirmizi: #e74c3c;
  --bordo: #7f1d3a;
  --lacivert: #0b1f3b;
  --siyah: #111111;
  --beyaz: #ffffff;
  --gri-acik: #f5f7fb;
  --gradient-main: linear-gradient(135deg, #1abc9c, #0b1f3b);
  --radius-lg: 24px;
  --shadow-soft: 0 18px 40px rgba(0,0,0,0.18);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  margin: 0;
  background: #050914;
  color: var(--beyaz);
}

.page-wrapper {
  min-height: 100vh;
  background: radial-gradient(circle at top left, rgba(26,188,156,0.12), transparent 50%),
              radial-gradient(circle at bottom right, rgba(231,76,60,0.1), transparent 50%),
              #050914;
}

/* Header */

.site-header {
  background: rgba(5,9,20,0.96);
  backdrop-filter: blur(14px);
  z-index: 999;
}

.logo-circle {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: var(--gradient-main);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--beyaz);
  box-shadow: var(--shadow-soft);
}

.logo-title {
  font-weight: 700;
  font-size: 1rem;
  display: block;
}

.logo-sub {
  font-size: 0.75rem;
  color: #a5b3d9;
}

.main-nav .nav-link {
  color: #cfd6f5;
  font-size: 0.9rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all 0.2s ease;
}

.main-nav .nav-link.active,
.main-nav .nav-link:hover {
  background: rgba(26,188,156,0.1);
  color: var(--beyaz);
}

.btn-acil {
  background: linear-gradient(135deg, var(--kirmizi), var(--bordo));
  color: var(--beyaz);
  border-radius: 999px;
  border: none;
  padding-inline: 1rem;
  font-size: 0.85rem;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.08), var(--shadow-soft);
}
.btn-acil:hover {
  color: var(--beyaz);
  opacity: 0.9;
}

.mobile-menu-toggle {
  background: none;
  border: none;
  color: var(--beyaz);
  font-size: 1.4rem;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 0.75rem 1rem 1rem;
  background: #050914;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.mobile-nav a {
  color: #d0d7ff;
  text-decoration: none;
  padding: 0.35rem 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.mobile-nav.show {
  display: flex;
}

/* Hero */

.hero-section {
  padding: 2.5rem 0 2rem;
}

.hero-slider {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: radial-gradient(circle at top left, rgba(26,188,156,0.4), rgba(11,31,59,0.98));
  box-shadow: var(--shadow-soft);
}

.hero-slide {
  display: none;
  padding: 2.5rem 2rem;
}
.hero-slide.active {
  display: block;
}
.hero-layout {
  min-height: 260px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.8rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: rgba(0,0,0,0.22);
  color: #d1fff6;
}
.badge-kombi {
  background: rgba(231,76,60,0.2);
  color: #ffe4e0;
}
.badge-klima {
  background: rgba(52,152,219,0.2);
  color: #e3f2ff;
}
.hero-slide h1 {
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  margin-top: 0.8rem;
  margin-bottom: 0.6rem;
}
.hero-slide h1 span {
  color: var(--sari);
}
.hero-slide p {
  color: #dde6ff;
  font-size: 0.95rem;
}
.hero-actions {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.hero-btn {
  border-radius: 999px;
  padding-inline: 1.4rem;
  font-size: 0.9rem;
}
.hero-meta {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  font-size: 0.78rem;
  color: #cfe3ff;
}
.hero-meta span i {
  margin-right: 0.25rem;
}

.hero-image-wrap {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  background: radial-gradient(circle at top, rgba(255,255,255,0.08), transparent);
  border: 1px solid rgba(255,255,255,0.08);
}
.hero-image-wrap img {
  width: 100%;
  height: 260px;
  object-fit: contain;
  display: block;
}

.hero-dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.4rem;
}
.hero-dots .dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  border: none;
  background: rgba(255,255,255,0.3);
  transition: all 0.2s;
}
.hero-dots .dot.active {
  width: 22px;
  background: var(--sari);
}

/* Quick form */

.section-head {
  text-align: center;
  margin-bottom: 1.5rem;
}
.section-head h2 {
  font-size: 1.4rem;
}
.section-head p {
  font-size: 0.9rem;
  color: #c9d4ff;
}

.quick-form-section {
  padding: 2rem 0;
}
.quick-form-card {
  background: rgba(7, 16, 38, 0.96);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255,255,255,0.06);
}
.quick-form-card .form-label {
  font-size: 0.8rem;
  color: #dde6ff;
}
.quick-form-card .form-select,
.quick-form-card .form-control {
  background: rgba(4,10,28,0.9);
  border-color: rgba(255,255,255,0.12);
  color: #f5f7ff;
  font-size: 0.85rem;
}
.quick-form-card .form-select:focus,
.quick-form-card .form-control:focus {
  border-color: var(--turkuaz);
  box-shadow: 0 0 0 1px rgba(26,188,156,0.4);
}
.btn-gradient {
  background-image: linear-gradient(135deg, var(--turkuaz), var(--lacivert));
  border: none;
  color: var(--beyaz);
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
}
.btn-gradient:hover {
  opacity: 0.9;
  color: var(--beyaz);
}

.quick-result {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 18px;
  background: rgba(3, 9, 26, 0.9);
  min-height: 70px;
}
.result-empty {
  text-align: center;
  color: #8590c9;
  font-size: 0.85rem;
}
.result-empty i {
  font-size: 1.4rem;
  margin-bottom: 0.3rem;
}

/* Devices */

.devices-section {
  padding: 2rem 0;
}
.device-card {
  background: rgba(7, 16, 38, 0.96);
  border-radius: 18px;
  padding: 0.9rem;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 12px 30px rgba(0,0,0,0.26);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.device-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(0,0,0,0.35);
  border-color: rgba(241,196,15,0.7);
}
.device-image {
  width: 100%;
  height: 250px;
  border-radius: 14px;
  overflow: hidden;
  background: #0b1224;
  margin-bottom: 0.45rem;
}
.device-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.device-icon {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: rgba(26,188,156,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  color: #9ef5de;
  margin-bottom: 0.25rem;
}
.device-card h3 {
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
}
.device-card p {
  font-size: 0.8rem;
  color: #cdd6ff;
}

/* FAQ */

.faq-section {
  padding: 2rem 0;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.faq-item {
  background: rgba(7, 16, 38, 0.96);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.06);
}
.faq-question {
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}
.faq-question h3 {
  font-size: 0.9rem;
  margin: 0;
}
.faq-question i {
  font-size: 0.9rem;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 1rem;
  font-size: 0.8rem;
  color: #cfd6ff;
  transition: max-height 0.2s ease;
}
.faq-item.open .faq-answer {
  padding-bottom: 0.8rem;
}
.faq-note {
  margin-top: 0.7rem;
  font-size: 0.78rem;
  color: #e3b374;
}

/* Reviews */

.reviews-section {
  padding: 2.2rem 0;
}
.reviews-slider {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  background: rgba(7,16,38,0.96);
  border: 1px solid rgba(255,255,255,0.06);
}
.reviews-track {
  display: flex;
  transition: transform 0.4s ease;
}
.review-card {
  min-width: 100%;
  padding: 1.4rem 1.6rem;
}
.review-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.review-user {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.review-avatar {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: #202744;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}
.review-stars {
  color: #f1c40f;
  font-size: 0.75rem;
}
.review-text {
  margin-top: 0.7rem;
  font-size: 0.85rem;
  color: #dbe4ff;
}
.reviews-dots {
  display: flex;
  justify-content: center;
  gap: 0.35rem;
  padding: 0 0 0.9rem;
}
.reviews-dots button {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border: none;
  background: rgba(255,255,255,0.25);
}
.reviews-dots button.active {
  width: 20px;
  background: var(--turkuaz);
}

/* Why */

.why-section {
  padding: 2.5rem 0;
}
.why-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.why-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.86rem;
  margin-bottom: 0.4rem;
  color: #dde6ff;
}
.why-list i {
  color: var(--turkuaz);
  margin-top: 0.1rem;
}
.why-image-card {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow-soft);
}
.why-image-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}
.why-image-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(5,9,20,0.86);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
}

/* Legal */

.legal-section {
  padding: 2rem 0 2.5rem;
}
.legal-card {
  width: 100%;
  border-radius: 16px;
  padding: 0.85rem 0.7rem;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(7,16,38,0.96);
  color: var(--beyaz);
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}
.legal-card i {
  font-size: 1.1rem;
  color: var(--turkuaz);
}

/* Footer */

.site-footer {
  background: #040716;
  padding: 2rem 0 4rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 2rem;
}
.site-footer h4 {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}
.site-footer p {
  font-size: 0.8rem;
  color: #c3cdef;
}
.footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-list li {
  font-size: 0.8rem;
  color: #c9d4ff;
  margin-bottom: 0.25rem;
}
.footer-list a {
  color: #e9f0ff;
  text-decoration: none;
}
.footer-bottom {
  margin-top: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  font-size: 0.75rem;
  color: #9aa6db;
}

/* Scroll Top */

.scroll-top-btn {
  position: fixed;
  right: 14px;
  bottom: 80px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: none;
  background: var(--gradient-main);
  color: var(--beyaz);
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-soft);
  z-index: 998;
}
.scroll-top-btn.show {
  display: flex;
}

/* Bottom bar */

.bottom-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  z-index: 997;
}
.bottom-btn {
  flex: 1;
  padding: 0.6rem 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--beyaz);
}
.bottom-call {
  background: linear-gradient(135deg, #00c853, #009624);
}
.bottom-request {
  background: linear-gradient(135deg, #ff9800, #f44336);
}

/* Sub pages */

.sub-header {
  background: #050914;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.sub-header h1 {
  font-size: 1.1rem;
}
.sub-header .back-link {
  color: #cfd6ff;
  font-size: 0.85rem;
  text-decoration: none;
}
.sub-main {
  padding-bottom: 4rem;
}
.device-detail-card {
  background: rgba(7,16,38,0.96);
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  padding: 0.9rem 1rem;
  font-size: 0.84rem;
}
.device-detail-card ul {
  font-size: 0.78rem;
  padding-left: 1.1rem;
}
.brand-card {
  background: rgba(7,16,38,0.96);
  border-radius: 16px;
  padding: 0.8rem 0.7rem;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.06);
  font-size: 0.8rem;
}
.brand-logo-circle {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.35rem;
}
.brand-disclaimer {
  margin-top: 0.8rem;
  font-size: 0.75rem;
  color: #e3b374;
}

.region-grid .region-card {
  background: rgba(7,16,38,0.96);
  border-radius: 16px;
  padding: 0.7rem;
  text-align: center;
  font-size: 0.82rem;
  border: 1px solid rgba(255,255,255,0.06);
}
.region-card i {
  color: var(--turkuaz);
  margin-right: 0.35rem;
}

/* Contact */

.contact-form .form-label {
  font-size: 0.8rem;
}
.contact-form .form-control {
  background: rgba(4,10,28,0.9);
  border-color: rgba(255,255,255,0.18);
  color: #f5f7ff;
  font-size: 0.85rem;
}
.kvkk-label {
  font-size: 0.75rem;
}
.contact-info-card {
  background: rgba(7,16,38,0.96);
  border-radius: 18px;
  padding: 1.1rem 1.2rem;
  border: 1px solid rgba(255,255,255,0.06);
}
.map-embed iframe {
  width: 100%;
  height: 220px;
  border: 0;
  border-radius: 16px;
}

/* Responsive */

@media (max-width: 991.98px) {
  .hero-slide {
    padding: 1.6rem 1.2rem 2.6rem;
  }
  .bottom-bar {
    font-size: 0.85rem;
  }
}

@media (max-width: 575.98px) {
  .hero-slide h1 {
    font-size: 1.55rem;
  }
  .device-image {
    height: auto;
  }
}