/* Reset ve Temel Ayarlar */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --primary: #25a9d6;
  --secondary: #222831;
  --gray: #6c7a89;
  --light-gray: #e0e0e0;
  --bg: #f7fafd;
  --white: #fff;
  --radius: 16px;
  --shadow: 0 4px 24px 0 rgba(34,40,49,0.08);
  --transition: all 0.2s cubic-bezier(.4,0,.2,1);
}
body {
  font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
  background: var(--bg);
  color: var(--secondary);
  line-height: 1.7;
}
.container {
  width: 92%;
  max-width: 1200px;
  margin: 0 auto;
}
.fixed-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: var(--white);
  box-shadow: var(--shadow);
  z-index: 100;
  border-bottom: 1.5px solid var(--light-gray);
}
.header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}
.logo {
  height: 48px;
}
nav ul {
  display: flex;
  gap: 36px;
  list-style: none;
}
nav a {
  color: var(--secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.08rem;
  position: relative;
  letter-spacing: 0.01em;
  transition: var(--transition);
}
nav a::after {
  content: '';
  display: block;
  width: 0;
  height: 2.5px;
  background: var(--primary);
  transition: var(--transition);
  position: absolute;
  left: 0; bottom: -5px;
  border-radius: 2px;
}
nav a:hover,
nav a.active {
  color: var(--primary);
}
nav a:hover::after,
nav a.active::after {
  width: 100%;
}
.mobile-menu {
  display: none;
  font-size: 2rem;
  color: var(--primary);
  cursor: pointer;
}
.hero {
  padding: 160px 0 100px 0;
  background: linear-gradient(120deg, var(--primary) 60%, var(--secondary) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero-content {
  max-width: 600px;
  z-index: 1;
  position: relative;
}
.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  margin-bottom: 22px;
  line-height: 1.15;
  letter-spacing: -1px;
}
.hero p {
  font-size: 1.25rem;
  margin-bottom: 36px;
  opacity: 0.97;
}
.hero-buttons {
  display: flex;
  gap: 22px;
}
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1.08rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 2px 8px 0 rgba(34,40,49,0.07);
}
.btn-primary {
  background: var(--white);
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-primary:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}
.btn-secondary:hover {
  background: var(--white);
  color: var(--primary);
}
.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 70px;
  justify-content: flex-start;
}
.stat-item {
  text-align: center;
  min-width: 140px;
}
.stat-number {
  font-size: 3.2rem;
  font-weight: 900;
  color: var(--white);
  text-shadow: 0 2px 8px rgba(34,40,49,0.12);
  letter-spacing: -1px;
  line-height: 1.1;
  display: block;
}
.stat-text {
  font-size: 1.08rem;
  opacity: 0.98;
  color: var(--white);
  font-weight: 600;
  margin-top: 6px;
}
.section-header {
  text-align: center;
  margin-bottom: 54px;
}
.section-header h2 {
  font-size: 2.3rem;
  color: var(--primary);
  margin-bottom: 12px;
  font-weight: 800;
}
.section-header p {
  color: var(--gray);
  font-size: 1.13rem;
}
.services {
  padding: 100px 0 80px 0;
  background: var(--white);
}
.service-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 36px;
}
.service-item {
  background: var(--bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 44px 30px 38px 30px;
  text-align: center;
  transition: var(--transition);
  border: 1.5px solid var(--light-gray);
}
.service-item:hover {
  transform: translateY(-8px) scale(1.035);
  box-shadow: 0 8px 32px 0 rgba(34,40,49,0.13);
  border-color: var(--primary);
}
.service-item i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 22px;
}
.service-item h3 {
  font-size: 1.25rem;
  margin-bottom: 14px;
  font-weight: 700;
}
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 600;
  margin-top: 22px;
  text-decoration: none;
  transition: var(--transition);
}
.service-link:hover {
  color: var(--secondary);
  gap: 16px;
}
.portfolio {
  padding: 100px 0 80px 0;
  
}
.portfolio-list {
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.portfolio-card {
  background: #181818;
  border-radius: 18px;
  box-shadow: 0 4px 32px 0 rgba(0,0,0,0.18);
  overflow: hidden;
  width: 340px;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.35s cubic-bezier(.4,0,.2,1), box-shadow 0.35s cubic-bezier(.4,0,.2,1);
}
.portfolio-card:hover {
  transform: scale(1.045) translateY(-6px);
  box-shadow: 0 8px 40px 0 rgba(0,0,0,0.28);
}
.portfolio-image {
  width: 340px;
 
 
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.portfolio-image img {
  width: 340px;
  height: 240px;
  object-fit: cover;
  transition: transform 0.9s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.portfolio-card:hover .portfolio-image img {
  transform: scale(1.08);
}
.portfolio-title {
  color: #fff;
  font-size: 1.13rem;
  font-weight: 600;
  text-align: center;
  margin: 18px 0 10px 0;
  letter-spacing: 0.01em;
}
.portfolio-desc {
  color: #bdbdbd;
  font-size: 1rem;
  text-align: center;
  margin-bottom: 18px;
}
.about {
  padding: 100px 0 80px 0;
  background: var(--white);
}
.about-content {
  max-width: 820px;
  margin: 0 auto;
}
.about-text p {
  font-size: 1.13rem;
  margin-bottom: 32px;
  color: var(--gray);
}
.about-features {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 22px;
}
.about-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.05rem;
  font-weight: 600;
}
.about-features i {
  color: var(--primary);
}
.contact {
  padding: 100px 0 80px 0;
  background: var(--bg);
}
.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
}
.contact-info {
  display: grid;
  gap: 28px;
}
.contact-item {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 20px;
  text-align: center;
  transition: var(--transition);
  border: 1.5px solid var(--light-gray);
}
.contact-item:hover {
  transform: translateY(-6px) scale(1.03);
  box-shadow: 0 8px 32px 0 rgba(34,40,49,0.13);
  border-color: var(--primary);
}
.contact-item i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 14px;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.form-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.contact-form input,
.contact-form textarea {
  padding: 15px;
  border: 1.5px solid var(--light-gray);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: var(--transition);
  background: var(--white);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(37,169,214,0.13);
}
.contact-form textarea {
  height: 130px;
  resize: vertical;
}
footer {
  background: var(--secondary);
  color: var(--white);
  padding: 70px 0 20px 0;
}
.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 44px;
  margin-bottom: 36px;
}
.footer-logo p {
  margin-top: 20px;
  opacity: 0.8;
}
.footer-links h3,
.footer-social h3 {
  margin-bottom: 16px;
  font-size: 1.13rem;
  font-weight: 700;
}
.footer-links ul {
  list-style: none;
}
.footer-links a {
  color: var(--white);
  text-decoration: none;
  opacity: 0.85;
  transition: var(--transition);
  display: block;
  margin-bottom: 10px;
  font-weight: 600;
}
.footer-links a:hover {
  opacity: 1;
  color: var(--primary);
  transform: translateX(6px);
}
.social-links {
  display: flex;
  gap: 16px;
}
.social-links a {
  color: var(--white);
  font-size: 1.4rem;
  opacity: 0.85;
  transition: var(--transition);
}
.social-links a:hover {
  opacity: 1;
  color: var(--primary);
  transform: translateY(-2px);
}
.footer-bottom {
  text-align: center;
  padding-top: 16px;
  border-top: 1.5px solid rgba(255,255,255,0.09);
  font-size: 1.02rem;
}
@media (max-width: 1100px) {
  .container { max-width: 98vw; }
  .footer-content { grid-template-columns: 1fr 1fr; }
  .portfolio-list {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 900px) {
  .hero h1 { font-size: 2.1rem; }
  .contact-content { grid-template-columns: 1fr; gap: 32px; }
  .footer-content { grid-template-columns: 1fr; text-align: center; gap: 24px; }
  .social-links { justify-content: center; }
  .portfolio-list {
    flex-direction: column;
    align-items: center;
    gap: 28px;
  }
  .portfolio-card {
    width: 98vw;
    max-width: 400px;
  }
}
@media (max-width: 700px) {
  .mobile-menu { display: block; }
  nav { position: fixed; top: 70px; left: 0; right: 0; background: var(--white); padding: 20px; box-shadow: var(--shadow); transform: translateY(-100%); opacity: 0; visibility: hidden; transition: var(--transition); }
  nav.active { transform: translateY(0); opacity: 1; visibility: visible; }
  nav ul { flex-direction: column; gap: 18px; }
  .hero { padding: 100px 0 40px 0; }
  .hero-buttons { flex-direction: column; gap: 12px; }
  .hero-stats { flex-direction: column; gap: 18px; }
  .form-group { grid-template-columns: 1fr; }
  .portfolio-list {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .portfolio-image {
    aspect-ratio: 1/1;
    height: auto;
    min-height: unset;
    max-height: unset;
    border-radius: 16px 16px 0 0;
  }
  .portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px 16px 0 0;
  }
  .portfolio-item {
    max-width: 98vw;
    min-width: 0;
  }
}
@media (max-width: 480px) {
  .section-header h2 { font-size: 1.3rem; }
  .service-item, .portfolio-item { padding: 14px; }
  .portfolio-image img { height: 100px; }
  .hero h1 { margin-top: 75px; }
  .hero-content { margin-top: 100px; }
  .hero p { line-height: 1.3; }
}
@media (max-width: 600px) {
  .hero {
    padding-top: 90px;
    padding-bottom: 32px;
    text-align: center;
  }
  .hero-content {
    margin-top: 0;
  }
  .hero-stats {
    flex-direction: row;
    justify-content: center;
    align-items: flex-start;
    gap: 18px;
    margin-top: 32px;
  }
  .stat-item {
    min-width: 0;
    flex: 1 1 0;
  }
  .stat-number {
    font-size: 1.3rem;
  }
  .stat-text {
    font-size: 0.95rem;
  }
}