:root {
      --bg: #f7f8fb;
      --surface: #ffffff;
      --primary: #2e6f7e;
      --primary-dark: #245965;
      --accent: #bfe4e8;
      --text: #1f2a2e;
      --muted: #5c6b70;
      --border: #e4eaec;
      --success: #2f7b6c;
      --error: #b54949;
      --shadow: 0 16px 32px rgba(31, 42, 46, 0.08);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "Inter", system-ui, -apple-system, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
    }

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

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

    button,
    input,
    select,
    textarea {
      font: inherit;
    }

    :focus-visible {
      outline: 3px solid rgba(46, 111, 126, 0.4);
      outline-offset: 3px;
    }

    .container {
      width: min(1120px, 90%);
      margin: 0 auto;
    }

    .section {
      padding: 4.5rem 0;
    }

    .section-title {
      font-size: clamp(1.6rem, 2vw, 2.2rem);
      margin-bottom: 1.5rem;
      color: var(--primary-dark);
    }

    .muted {
      color: var(--muted);
    }

    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
    }

    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 1rem 0;
    }

    .brand {
      font-weight: 600;
      font-size: 1.1rem;
      color: var(--primary-dark);
    }

    .nav-links {
      display: flex;
      gap: 1.5rem;
      align-items: center;
    }

    .nav-links a {
      color: var(--muted);
      font-size: 0.95rem;
      transition: color 0.2s ease;
    }

    .nav-links a:hover {
      color: var(--primary);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
    }

    .nav-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--primary-dark);
      margin: 5px 0;
      transition: transform 0.3s ease;
    }

    .hero {
      padding: 6rem 0 5rem;
      background: linear-gradient(135deg, #f1f7f8, #ffffff);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2.5rem;
      align-items: center;
    }

    .hero h1 {
      font-size: clamp(2rem, 3vw, 3.2rem);
      line-height: 1.2;
      margin-bottom: 1rem;
    }

    .hero p {
      color: var(--muted);
      margin-bottom: 1.5rem;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      margin-bottom: 1rem;
    }

    .btn {
      padding: 0.85rem 1.8rem;
      border-radius: 999px;
      border: 1px solid transparent;
      cursor: pointer;
      font-weight: 500;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

    .btn-primary {
      background: var(--primary);
      color: white;
      box-shadow: var(--shadow);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
    }

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

    .btn-outline:hover {
      background: var(--accent);
    }

    .hero-card {
      background: var(--surface);
      padding: 2rem;
      border-radius: 24px;
      box-shadow: var(--shadow);
      display: grid;
      gap: 1rem;
    }

    .hero-card .detail {
      display: flex;
      gap: 1rem;
      align-items: flex-start;
    }

    .icon-circle {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--accent);
      display: grid;
      place-items: center;
      color: var(--primary-dark);
      font-weight: 600;
    }

    .about {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 2.5rem;
      align-items: center;
    }

    .about-photo {
    width: 220px;
     height: 220px;
     border-radius: 50%;
     overflow: hidden; /* BUNU EKLİYORUZ */
     background: linear-gradient(135deg, #cfe8ee, #e9f4f6);
     display: grid;
     place-items: center;
     font-size: 3.5rem;
     color: var(--primary);
     margin: 0 auto;
    }


    .service-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
      gap: 1.5rem;
    }

    .service-card {
      display: block; 
      background: var(--surface);
      border-radius: 18px;
      padding: 1.5rem;
      box-shadow: var(--shadow);
      border: 1px solid transparent;
      transition: border 0.2s ease, transform 0.2s ease;
    }

    .service-card:hover {
      border-color: var(--accent);
      transform: translateY(-4px);
    }

    .service-card h3 {
      margin-bottom: 0.6rem;
      color: var(--primary-dark);
    }

    .approach-list {
      display: grid;
      gap: 1rem;
    }

    .approach-item {
      display: flex;
      gap: 1rem;
      background: var(--surface);
      padding: 1.2rem 1.5rem;
      border-radius: 16px;
      box-shadow: var(--shadow);
    }

    .approach-item .icon-circle {
      width: 36px;
      height: 36px;
      font-size: 0.9rem;
    }

    .faq-item {
      border-radius: 16px;
      background: var(--surface);
      box-shadow: var(--shadow);
      margin-bottom: 1rem;
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      background: none;
      border: none;
      text-align: left;
      padding: 1.2rem 1.5rem;
      font-weight: 600;
      color: var(--primary-dark);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 1.5rem;
      transition: max-height 0.3s ease;
    }

    .faq-item.active .faq-answer {
      max-height: 220px;
      padding-bottom: 1.2rem;
    }

    .faq-icon {
      font-size: 1.5rem;
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    .testimonial-track {
      display: grid;
      grid-auto-flow: column;
      grid-auto-columns: minmax(260px, 1fr);
      gap: 1.5rem;
      overflow-x: auto;
      padding-bottom: 1rem;
      scroll-snap-type: x mandatory;
    }

    .testimonial-card {
      scroll-snap-align: start;
      background: var(--surface);
      border-radius: 18px;
      padding: 1.5rem;
      box-shadow: var(--shadow);
    }

    .testimonial-card h3 {
      margin-top: 1rem;
      color: var(--primary-dark);
    }

    .form-wrap {
      background: var(--surface);
      padding: 2rem;
      border-radius: 24px;
      box-shadow: var(--shadow);
    }

    .form-grid {
      display: grid;
      gap: 1.2rem;
    }

    .field {
      display: flex;
      flex-direction: column;
      gap: 0.4rem;
    }

    .field input,
    .field select,
    .field textarea {
      padding: 0.75rem 0.9rem;
      border-radius: 12px;
      border: 1px solid var(--border);
      background: #fbfcfd;
    }

    .field textarea {
      min-height: 120px;
      resize: vertical;
    }

    .error-text {
      color: var(--error);
      font-size: 0.85rem;
      min-height: 1rem;
    }

    .success-message {
      background: #e7f4f1;
      color: var(--success);
      padding: 0.9rem 1.2rem;
      border-radius: 12px;
      margin-bottom: 1rem;
      display: none;
    }

    .contact-grid {
      display: grid;
      gap: 1.5rem;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }

    .contact-card {
      background: var(--surface);
      padding: 1.5rem;
      border-radius: 18px;
      box-shadow: var(--shadow);
    }

    footer {
      background: #eef4f5;
      padding: 2.5rem 0;
      text-align: center;
      font-size: 0.9rem;
      color: var(--muted);
    }

    .footer-link {
      display: inline-block;
      margin-top: 1rem;
      color: var(--primary);
      font-weight: 500;
    }

    @media (max-width: 860px) {
      .nav-links {
        position: absolute;
        top: 70px;
        right: 5%;
        background: var(--surface);
        flex-direction: column;
        gap: 1rem;
        padding: 1.2rem;
        border-radius: 16px;
        box-shadow: var(--shadow);
        display: none;
      }

      .nav-links.open {
        display: flex;
      }

      .nav-toggle {
        display: block;
      }
    }
.floating-whatsapp {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 1200;
}

.floating-whatsapp a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  font-size: 1.6rem;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

@media (max-width: 600px) {
  .floating-whatsapp {
    bottom: 14px;
    right: 14px;
  }
}
.about-photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  overflow: hidden;
  background: #f2f2f2;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.blog-card {
  cursor: pointer;         /* Blog kartına el işareti gelsin */
}
.footer {
  background: #f4f6f7;
  padding: 2rem 0;
  text-align: center;
}

.footer-contact {
  margin: 0.3rem 0 0.8rem;
  font-weight: 500;
}

.footer-contact a {
  color: var(--primary);
  text-decoration: none;
}

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

.footer-contact span {
  margin: 0 .4rem;
  opacity: .6;
}
.contact-card .btn {
  display: inline-block;
  margin-top: 0.75rem; /* istersen 1rem yap daha da iner */
}

/* Toast bildirim */
.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 9999;
  background: rgba(20, 20, 20, 0.92);
  color: #fff;
  padding: 12px 14px;
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
  max-width: min(420px, calc(100vw - 36px));
  font-size: 0.95rem;
  line-height: 1.35;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 220ms ease, transform 220ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

#about,
#about p,
#about span,
#about strong {
  color: #2b2b2b; /* ana yazı rengi */
}