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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #0b0b0b;
  color: #ffffff;
}

a {
  text-decoration: none;
}

/* HEADER */

.header {
  width: 100%;
  background: #000000;
  border-bottom: 2px solid #f5c400;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1250px;
  margin: auto;
  padding: 14px 7%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
}

.logo-area img {
  width: 165px;
  height: auto;
  display: block;
}

.menu {
  display: flex;
  align-items: center;
  gap: 20px;
}

.menu a {
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  transition: 0.25s;
}

.menu a:hover {
  color: #f5c400;
}

.header-call {
  background: #f5c400;
  color: #000000;
  padding: 12px 22px;
  border-radius: 6px;
  font-weight: 700;
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  background: #f5c400;
  color: #000000;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-weight: 700;
  cursor: pointer;
}

/* HERO */

.hero {
  min-height: 78vh;
  padding: 110px 7%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: #050505;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("logo.png.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 700px;
  opacity: 0.22;
  filter: brightness(1.8) contrast(1.2);
  z-index: 1;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at center, rgba(245, 196, 0, 0.08), rgba(0, 0, 0, 0.65)),
    linear-gradient(rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.92));
  z-index: 2;
}

.hero-content {
  max-width: 960px;
  position: relative;
  z-index: 3;
}

.subtitle {
  color: #f5c400;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 14px;
}

.hero h1 {
  color: #f5c400;
  font-size: 48px;
  line-height: 1.2;
  margin: 18px 0;
}

.hero p {
  color: #dddddd;
  font-size: 20px;
  line-height: 1.7;
  max-width: 820px;
  margin: auto;
}

.hero-buttons {
  margin-top: 34px;
}

.hero-buttons a {
  display: inline-block;
  padding: 15px 28px;
  border-radius: 6px;
  font-weight: 700;
  margin: 8px;
}

.primary-btn {
  background: #f5c400;
  color: #000000;
}

.secondary-btn {
  background: transparent;
  color: #f5c400;
  border: 1px solid #f5c400;
}

/* INFO STRIP */

.info-strip {
  padding: 26px 7%;
  background: #000000;
  border-top: 1px solid #222222;
  border-bottom: 1px solid #222222;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.info-box {
  background: #151515;
  padding: 22px;
  border-radius: 8px;
  border: 1px solid #2c2c2c;
  text-align: center;
}

.info-box h3 {
  color: #f5c400;
  margin-bottom: 6px;
  font-size: 18px;
}

.info-box p {
  color: #cfcfcf;
  font-size: 15px;
}

/* GENERAL */

.section {
  padding: 80px 7%;
}

.section-title {
  text-align: center;
  margin-bottom: 38px;
}

.section-title span {
  color: #f5c400;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 14px;
  letter-spacing: 1px;
}

.section-title h2 {
  color: #ffffff;
  font-size: 36px;
  margin-top: 10px;
}

/* CORPORATE */

.corporate {
  background: #0f0f0f;
}

.corporate-grid {
  max-width: 1150px;
  margin: auto;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.corporate-text,
.corporate-card {
  background: #171717;
  border: 1px solid #333333;
  border-radius: 12px;
  padding: 32px;
}

.corporate-text h3 {
  color: #f5c400;
  font-size: 25px;
  margin-bottom: 18px;
}

.corporate-text p {
  color: #d5d5d5;
  line-height: 1.8;
  font-size: 17px;
  margin-bottom: 14px;
}

.corporate-card div {
  margin-bottom: 24px;
}

.corporate-card div:last-child {
  margin-bottom: 0;
}

.corporate-card h4 {
  color: #f5c400;
  margin-bottom: 8px;
  font-size: 18px;
}

.corporate-card p {
  color: #d5d5d5;
}

/* SERVICES */

.services {
  background: #0b0b0b;
}

.service-grid {
  max-width: 1200px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.service-card {
  background: #171717;
  border: 1px solid #333333;
  border-radius: 12px;
  padding: 26px;
  transition: 0.25s;
}

.service-card:hover {
  border-color: #f5c400;
  transform: translateY(-5px);
}

.service-card h3 {
  color: #f5c400;
  font-size: 20px;
  margin-bottom: 14px;
}

.service-card p {
  color: #cfcfcf;
  line-height: 1.7;
  font-size: 15.5px;
}

/* CTA */

.cta {
  margin: 0 7%;
  padding: 34px;
  background: #f5c400;
  color: #000000;
  border-radius: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.cta h2 {
  font-size: 28px;
  margin-bottom: 8px;
}

.cta p {
  font-size: 17px;
}

.cta a {
  background: #000000;
  color: #ffffff;
  padding: 14px 26px;
  border-radius: 6px;
  font-weight: 700;
  white-space: nowrap;
}

/* REFERENCES - FOTOĞRAFSIZ */

.references {
  background: #0f0f0f;
}

.reference-grid {
  max-width: 1150px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.reference-card {
  background: #171717;
  border: 1px solid #333333;
  border-radius: 12px;
  padding: 28px;
  min-height: 210px;
  transition: 0.25s;
}

.reference-card:hover {
  border-color: #f5c400;
  transform: translateY(-5px);
}

.reference-card span {
  color: #f5c400;
  font-size: 30px;
  font-weight: 800;
}

.reference-card h3 {
  color: #ffffff;
  margin: 18px 0 12px;
  font-size: 20px;
}

.reference-card p {
  color: #cfcfcf;
  line-height: 1.7;
}

/* PROCESS */

.process {
  background: #0b0b0b;
}

.process-grid {
  max-width: 1150px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.process-card {
  background: #171717;
  border: 1px solid #333333;
  border-radius: 12px;
  padding: 28px;
}

.process-card span {
  color: #f5c400;
  font-size: 30px;
  font-weight: 800;
}

.process-card h3 {
  color: #ffffff;
  margin: 16px 0 10px;
}

.process-card p {
  color: #cfcfcf;
  line-height: 1.7;
}

/* FAQ */

.faq {
  background: #0f0f0f;
}

.faq-grid {
  max-width: 1000px;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.faq-card {
  background: #171717;
  border: 1px solid #333333;
  border-radius: 12px;
  padding: 26px;
}

.faq-card h3 {
  color: #f5c400;
  margin-bottom: 12px;
  font-size: 19px;
}

.faq-card p {
  color: #cfcfcf;
  line-height: 1.7;
}

/* CONTACT */

.contact {
  background: #0b0b0b;
  text-align: center;
}

.contact-text {
  color: #d5d5d5;
  max-width: 760px;
  margin: auto;
  line-height: 1.7;
  font-size: 18px;
}

.contact-buttons {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.contact-buttons a {
  background: #f5c400;
  color: #000000;
  padding: 15px 24px;
  border-radius: 6px;
  font-weight: 700;
}

.contact-info {
  margin-top: 26px;
}

.contact-info p {
  color: #cfcfcf;
  margin: 8px 0;
}

/* FOOTER */

.footer {
  background: #000000;
  border-top: 2px solid #f5c400;
  color: #bdbdbd;
  text-align: center;
  padding: 28px 7%;
}

.footer p {
  margin: 6px 0;
}

/* WHATSAPP */

.whatsapp-fixed {
  position: fixed;
  right: 20px;
  bottom: 20px;
  background: #25d366;
  color: #ffffff;
  padding: 14px 22px;
  border-radius: 40px;
  font-weight: 700;
  box-shadow: 0 0 18px rgba(37, 211, 102, 0.45);
  z-index: 9999;
}

/* RESPONSIVE */

@media (max-width: 1000px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .reference-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .corporate-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-container {
    flex-wrap: wrap;
  }

  .logo-area img {
    width: 190px;
  }

  .menu-toggle {
    display: block;
  }

  .menu {
    display: none;
    width: 100%;
    flex-direction: column;
    background: #101010;
    border: 1px solid #2c2c2c;
    padding: 18px;
    border-radius: 8px;
  }

  .menu.active {
    display: flex;
  }

  .header-call {
    display: none;
  }

  .hero {
    padding: 85px 6%;
  }

  .hero::before {
    background-size: 430px;
    opacity: 0.18;
    filter: brightness(1.7) contrast(1.2);
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero p {
    font-size: 17px;
  }

  .info-strip {
    grid-template-columns: 1fr 1fr;
    padding: 22px 6%;
  }

  .section {
    padding: 70px 6%;
  }

  .section-title h2 {
    font-size: 29px;
  }

  .service-grid,
  .reference-grid,
  .process-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .cta {
    margin: 0 6%;
    flex-direction: column;
    text-align: center;
  }

  .whatsapp-fixed {
    right: 14px;
    bottom: 14px;
    padding: 13px 18px;
  }
}