:root {
  --color-bg: #070b10;
  --color-bg-alt: #0f1620;
  --color-primary: #ffb703;
  --color-primary-dark: #f29200;
  --color-text: #f5f5f5;
  --color-muted: #a7b0c0;
  --color-card: #141b25;
  --color-border: #1f2733;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.45);
  --radius-lg: 18px;
  --radius-xl: 26px;
  --transition: 0.25s ease;
  --max-width: 1180px;
  --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

html, body {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: radial-gradient(circle at top, #172132 0, #04060a 55%, #020308 100%);
  color: var(--color-text);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

.section {
  padding: 72px 0;
}

.section-alt {
  background: radial-gradient(circle at top, #1a2233 0, #05070b 60%);
}

.section-header {
  text-align: center;
  margin-bottom: 42px;
}

.section-header h2 {
  font-size: 1.9rem;
  margin-bottom: 8px;
}

.section-header p {
  color: var(--color-muted);
  max-width: 620px;
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(3, 7, 18, 0.92), rgba(3, 7, 18, 0.78), transparent);
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
}

.logo-wrap {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-text);
  gap: 12px;
}

.logo-img {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.18);
}

.logo-text strong {
  display: block;
  font-size: 1rem;
}

.logo-text small {
  display: block;
  font-size: 0.75rem;
  color: var(--color-muted);
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 0;
}

.main-nav a {
  text-decoration: none;
  color: var(--color-muted);
  font-size: 0.9rem;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #111827;
  box-shadow: 0 15px 30px rgba(249, 166, 2, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 40px rgba(249, 166, 2, 0.45);
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.9);
  color: var(--color-text);
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.btn-secondary:hover {
  background: rgba(15, 23, 42, 1);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid rgba(249, 166, 2, 0.55);
}

.btn-outline:hover {
  background: rgba(249, 166, 2, 0.1);
}

.burger {
  width: 36px;
  height: 32px;
  border: none;
  background: transparent;
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 0;
}

.burger span {
  display: block;
  height: 3px;
  width: 100%;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

.hero {
  padding: 32px 0 72px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(1.8rem, 3vw, 2.2rem);
  line-height: 1.2;
  margin-bottom: 12px;
}

.hero-text h1 span {
  color: var(--color-primary);
}

.hero-text p {
  color: var(--color-muted);
  max-width: 560px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0;
}

.hero-badges {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--color-muted);
}

.hero-badges li {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.hero-image img {
  width: 100%;
  border-radius: var(--radius-xl);
  object-fit: cover;
  box-shadow: var(--shadow-soft);
}

.grid {
  display: grid;
  gap: 20px;
}

.services-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.service-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 16px;
  border: 1px solid var(--color-border);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.65);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 14px;
  margin-bottom: 4px;
}

.service-card h3 {
  font-size: 1.1rem;
  margin: 0;
}

.service-card p {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.text-link {
  font-size: 0.9rem;
  margin-top: auto;
  color: var(--color-primary);
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
}

.symptom-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.symptom-card {
  background: rgba(15, 23, 42, 0.95);
  border-radius: var(--radius-lg);
  padding: 16px;
  border: 1px solid rgba(51, 65, 85, 0.8);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.symptom-card img {
  width: 100%;
  border-radius: 14px;
  height: 150px;
  object-fit: cover;
}

.symptom-card h3 {
  font-size: 1rem;
}

.symptom-card p {
  font-size: 0.88rem;
  color: var(--color-muted);
}

.symptom-cta {
  text-align: center;
  margin-top: 28px;
}

.symptom-cta p {
  color: var(--color-muted);
  margin-bottom: 12px;
}

.why-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.why-item {
  padding: 16px;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top left, #1f2937, #020617 70%);
  border: 1px solid rgba(55, 65, 81, 0.9);
}

.why-item h3 {
  margin-top: 0;
  font-size: 1.05rem;
}

.why-item p {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.brand-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.brand-list a {
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--color-muted);
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(15, 23, 42, 0.95);
  transition: background var(--transition), transform var(--transition), color var(--transition);
}

.brand-list a:hover {
  background: var(--color-primary);
  color: #111827;
  transform: translateY(-1px);
}

.testimonial-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.testimonial {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 18px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.testimonial img {
  width: 60px;
  height: 60px;
  border-radius: 999px;
  object-fit: cover;
  margin-bottom: 12px;
  border: 2px solid rgba(249, 166, 2, 0.6);
}

.testimonial p {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.testimonial-name {
  display: block;
  margin-top: 8px;
  font-size: 0.85rem;
  color: #e5e7eb;
}

.blog-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.blog-card {
  background: rgba(15, 23, 42, 0.96);
  border-radius: var(--radius-lg);
  padding: 16px;
  border: 1px solid rgba(55, 65, 81, 0.9);
}

.blog-card h3 {
  font-size: 1.05rem;
  margin-top: 0;
}

.blog-card p {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.blog-cta {
  text-align: center;
  margin-top: 24px;
}

.contact-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: flex-start;
}

.contact-info p {
  color: var(--color-muted);
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
}

.contact-list li {
  margin-bottom: 6px;
  font-size: 0.95rem;
}

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

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

.contact-map iframe {
  width: 100%;
  min-height: 260px;
  border: 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.site-footer {
  padding: 18px 0 26px;
  border-top: 1px solid rgba(15, 23, 42, 1);
  background: #020617;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-nav a {
  color: var(--color-muted);
  text-decoration: none;
}

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

.whatsapp-float {
  position: fixed;
  right: 16px;
  bottom: 18px;
  z-index: 60;
  width: 52px;
  height: 52px;
  border-radius: 999px;
  box-shadow: 0 10px 25px rgba(22, 163, 74, 0.55);
  overflow: hidden;
}

.whatsapp-float img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-image {
    order: -1;
  }

  .services-grid,
  .symptom-grid,
  .why-grid,
  .testimonial-grid,
  .blog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .header-inner {
    padding-inline: 8px;
  }

  .main-nav {
    position: fixed;
    inset: 62px 0 auto 0;
    background: rgba(3, 7, 18, 0.96);
    border-bottom: 1px solid rgba(30, 64, 175, 0.55);
    transform: translateY(-120%);
    transition: transform var(--transition);
  }

  .main-nav.open {
    transform: translateY(0);
  }

  .main-nav ul {
    flex-direction: column;
    padding: 12px 16px 16px;
    gap: 12px;
  }

  .header-actions .btn-outline {
    display: none;
  }

  .burger {
    display: flex;
  }

  .services-grid,
  .symptom-grid,
  .why-grid,
  .testimonial-grid,
  .blog-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .section {
    padding: 56px 0;
  }

  .hero {
    padding-top: 20px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-text h1 {
    font-size: 1.6rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
}

/* SOSYAL İKONLAR */
.social-icons {
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-icons .icon {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--color-muted);
  background: rgba(15, 23, 42, 0.9);
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.social-icons .icon:hover {
  color: #111827;
  background: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 10px 25px rgba(249, 166, 2, 0.45);
}

.social-icons .icon i {
  font-size: 0.95rem;
}

/* VİDEO KUTULARI */
.video-box iframe {
  border-radius: 14px;
}

.video-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
}

/* basit responsive için */
.video-wrapper iframe {
  display: block;
}