:root {
  --black: #000000;
  --white: #ffffff;
  --gray-light: #f8f8f8;
  --gray-border: #e5e5e5;
  --gray-text: #333333;
  --gray-muted: #777777;
  --whatsapp: #25d366;
  --font-head: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 1200px;
  --transition: 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--gray-text);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--black);
  font-weight: 700;
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 50px 0;
}

.section--alt {
  background: var(--gray-light);
}

.section-title {
  font-size: 2.2rem;
  text-align: center;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.section-subtitle {
  text-align: center;
  color: var(--gray-muted);
  max-width: 720px;
  margin: 0 auto 48px;
  font-size: 1.02rem;
}

.section-divider {
  width: 60px;
  height: 3px;
  background: var(--black);
  margin: 16px auto 40px;
}

/* ============ Buttons ============ */
.btn {
  display: inline-block;
  padding: 13px 32px;
  background: var(--black);
  color: var(--white);
  border: 2px solid var(--black);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
}

.btn:hover {
  background: var(--white);
  color: var(--black);
}

.btn--outline {
  background: transparent;
  color: var(--black);
}

.btn--outline:hover {
  background: var(--black);
  color: var(--white);
}

.btn--sm {
  padding: 9px 22px;
  font-size: 0.78rem;
}

/* ============ Header / Nav ============ */
.site-header {
  background: #fff;
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.15);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100px;
}

.logo {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 1px;
  width: 105px;
}

.logo span {
  font-weight: 400;
  opacity: 0.7;
  font-size: 0.8rem;
  display: block;
  letter-spacing: 3px;
  font-family: var(--font-body);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  align-items: center;
}

.nav-links a {
  color: #000;
  padding: 10px 14px;
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.4px;
  position: relative;
  transition: opacity var(--transition);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--white);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-links a.active {
  font-weight: 700;
}

.nav-cta {
  background: var(--white);
  color: var(--black) !important;
  border-radius: 2px;
  font-weight: 600 !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  opacity: 0.85;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 26px;
  height: 2px;
  background: #000;
  transition: var(--transition);
}

/* ============ Hero ============ */
.hero {
  position: relative;
  background: linear-gradient(135deg, #0a0a0a 0%, #2a2a2a 50%, #111 100%);
  color: var(--white);
  text-align: center;
  padding: 130px 24px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(45deg, rgba(255,255,255,0.03) 0, rgba(255,255,255,0.03) 1px, transparent 1px, transparent 22px);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
}

.hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 4px;
  font-size: 0.8rem;
  opacity: 0.75;
  margin-bottom: 20px;
}

.hero h1 {
  color: var(--white);
  font-size: 3.2rem;
  margin-bottom: 22px;
  line-height: 1.15;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.9;
  margin-bottom: 14px;
}

.hero .hero-desc {
  font-size: 1rem;
  opacity: 0.75;
  margin-bottom: 36px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.hero .btn {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
  margin: 6px;
}

.hero .btn:hover {
  background: transparent;
  color: var(--white);
}

.hero .btn--ghost {
  background: transparent;
  color: var(--white);
}

.hero .btn--ghost:hover {
  background: var(--white);
  color: var(--black);
}

/* ============ Page Banner ============ */
.page-banner {
  background: linear-gradient(135deg, #0a0a0a 0%, #2b2b2b 100%);
  color: var(--white);
  text-align: center;
  padding: 74px 24px;
}

.page-banner h1 {
  color: var(--white);
  font-size: 2.6rem;
  margin-bottom: 10px;
}

.breadcrumb {
  font-size: 0.85rem;
  opacity: 0.7;
  letter-spacing: 0.5px;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* ============ Product Grid ============ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);  /* Burası değişti: repeat(auto-fill, minmax(230px, 1fr)) yerine */
  gap: 26px;
}

.product-card {
  border: 1px solid var(--gray-border);
  background: var(--white);
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.12);
}

.product-thumb {
  position: relative;
  width: 100%;
  height: 500px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.6), rgba(0,0,0,0.05)),
    repeating-linear-gradient(115deg, #ededed 0px, #f7f7f7 18px, #e2e2e2 38px, #f2f2f2 60px);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--gray-border);
  overflow: hidden;
}

.product-thumb img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.product-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(60deg, transparent, transparent 30px, rgba(0,0,0,0.02) 30px, rgba(0,0,0,0.02) 31px);
}

.product-thumb .code-badge {
  position: relative;
  z-index: 2;
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--black);
  letter-spacing: 1px;
  background: rgba(255, 255, 255, 0.7);
  padding: 8px 20px;
  border: 2px solid var(--black);
}

.product-info {
  padding: 20px;
  text-align: center;
}

.product-info h3 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.product-info p {
  font-size: 0.85rem;
  color: var(--gray-muted);
  margin-bottom: 16px;
}

/* ============ Feature / Info Cards ============ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 28px;
}

.feature-card {
  padding: 34px 28px;
  border: 1px solid var(--gray-border);
  background: var(--white);
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--black);
}

.feature-num {
  font-family: var(--font-head);
  font-size: 2.4rem;
  color: var(--black);
  opacity: 0.15;
  line-height: 1;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--gray-text);
}

/* ============ Testimonials ============ */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 26px;
}

.testimonial {
  background: var(--white);
  border: 1px solid var(--gray-border);
  padding: 34px 30px;
  text-align: center;
}

.testimonial .stars {
  color: var(--black);
  letter-spacing: 3px;
  margin-bottom: 16px;
}

.testimonial p {
  font-style: italic;
  font-size: 1.02rem;
  margin-bottom: 18px;
  color: var(--gray-text);
}

.testimonial .author {
  font-weight: 700;
  color: var(--black);
  letter-spacing: 0.5px;
}

/* ============ Two Column ============ */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.rich-text p {
  margin-bottom: 18px;
  color: var(--gray-text);
}

.rich-text h3 {
  margin: 26px 0 14px;
  font-size: 1.4rem;
}

.material-box {
  border: 1px solid var(--gray-border);
  padding: 34px;
  background: var(--gray-light);
}

.material-box h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
  border-bottom: 2px solid var(--black);
  padding-bottom: 10px;
  display: inline-block;
}

/* ============ Address / Info strip ============ */
.info-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  text-align: center;
}

.info-item {
  padding: 24px;
}

.info-item .info-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.info-item h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.info-item p {
  color: var(--gray-text);
  font-size: 0.95rem;
}

/* ============ Contact ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-details .contact-row {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--gray-border);
}

.contact-row .c-icon {
  font-size: 1.4rem;
  min-width: 34px;
}

.contact-row h4 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.contact-row p, .contact-row a {
  color: var(--gray-text);
  font-size: 0.95rem;
}

.contact-row a:hover {
  text-decoration: underline;
}

.map-embed {
  width: 100%;
  height: 100%;
  min-height: 360px;
  border: 1px solid var(--gray-border);
  filter: grayscale(100%);
}

/* ============ Coming soon (blog) ============ */
.coming-soon {
  text-align: center;
  padding: 120px 24px;
}

.coming-soon .cs-icon {
  font-size: 4rem;
  margin-bottom: 24px;
}

.coming-soon h2 {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.coming-soon p {
  color: var(--gray-muted);
  max-width: 520px;
  margin: 0 auto 30px;
}

/* ============ CTA band ============ */
.cta-band {
  background: var(--black);
  color: var(--white);
  text-align: center;
  padding: 70px 24px;
}

.cta-band h2 {
  color: var(--white);
  font-size: 2rem;
  margin-bottom: 14px;
}

.cta-band p {
  opacity: 0.8;
  margin-bottom: 28px;
}

.cta-band .btn {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.cta-band .btn:hover {
  background: transparent;
  color: var(--white);
}

/* ============ Footer ============ */
.site-footer {
  background: var(--black);
  color: var(--white);
  padding: 60px 0 26px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.footer-col p,
.footer-col li {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: 10px;
  list-style: none;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--white);
}

.footer-logo {
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 22px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
}

/* ============ WhatsApp float ============ */
.whatsapp-float {
  position: fixed;
  bottom: 26px;
  right: 26px;
  width: 58px;
  height: 58px;
  background: var(--whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  z-index: 1200;
  transition: transform var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: var(--white);
}

/* ============ Animations ============ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-up {
  animation: fadeUp 0.7s ease both;
}

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);  /* Bu satırı ekle */
  }
  .two-col,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero h1 { font-size: 2.4rem; }
  .section-title { font-size: 1.8rem; }
}

@media (max-width: 768px) {

  .nav {
 
  height: 78px;
}

.logo {
 
  width: 80px;
}

  .nav-toggle {
    display: flex;
  }
  .nav-links {
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    background: var(--black);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0px 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
    border-top: 1px solid rgba(255,255,255,0.12);
  }
  .nav-links.open {
    max-height: 520px;
  }
  .nav-links a {
    padding: 0px 25px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    color: #fff;
  }
  .nav-links a::after { display: none; }
  .nav-cta { text-align: center; margin: 10px 24px; }
  .section { padding: 56px 0; }
  .hero { padding: 90px 20px; }
}

@media (max-width: 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .product-grid {
  grid-template-columns: 1fr;  /* Burası değişti: repeat(auto-fill, minmax(150px, 1fr)) yerine */
  gap: 16px;
}
  .hero h1 { font-size: 2rem; }
}