:root {
  --nb-bg: #020b07;
  --nb-bg-alt: #03140d;
  --nb-accent: #17c964;
  --nb-accent-soft: rgba(23, 201, 100, 0.16);
  --nb-text: #f5fff9;
  --nb-text-muted: #9bd2ae;
  --nb-border: rgba(23, 201, 100, 0.16);
  --nb-radius-lg: 18px;
  --nb-radius-md: 12px;
  --nb-radius-pill: 999px;
  --nb-shadow-soft: 0 22px 60px rgba(1, 15, 8, 0.85);
  --nb-max-width: 1120px;
  --nb-transition-fast: 180ms ease-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", Roboto, sans-serif;
  background: radial-gradient(circle at top, #062c1a 0, #020b07 46%, #010806 100%);
  color: var(--nb-text);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  text-decoration: underline;
}

.nb-container {
  width: 100%;
  max-width: var(--nb-max-width);
  margin: 0 auto;
  padding-inline: 20px;
}

.nb-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(2, 11, 7, 0.96), rgba(2, 11, 7, 0.88));
  border-bottom: 1px solid var(--nb-border);
}

.nb-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 12px;
}

.nb-logo img {
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.55));
}

.nb-nav {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.9rem;
  color: var(--nb-text-muted);
}

.nb-nav-link {
  position: relative;
  padding-block: 4px;
}

.nb-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #17c964, #4ade80);
  transition: width var(--nb-transition-fast);
}

.nb-nav-link:hover::after {
  width: 100%;
}

.nb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--nb-radius-pill);
  border: 1px solid transparent;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--nb-transition-fast), box-shadow var(--nb-transition-fast), background var(--nb-transition-fast), border-color var(--nb-transition-fast);
  white-space: nowrap;
}

.nb-btn-primary {
  background: radial-gradient(circle at top left, #22c55e, #16a34a);
  color: #ffffff;
  box-shadow: 0 14px 40px rgba(22, 163, 74, 0.55);
}

.nb-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 52px rgba(22, 163, 74, 0.8);
}

.nb-btn-ghost {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(168, 239, 191, 0.25);
  color: var(--nb-text-muted);
}

.nb-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
}

.nb-header-cta {
  display: none;
}

.nb-hero {
  padding: 56px 0 40px;
}

.nb-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.nb-hero-content h1 {
  font-size: clamp(2.2rem, 3vw + 1.4rem, 3.1rem);
  line-height: 1.1;
  margin: 0 0 16px;
}

.nb-hero-content h1 span {
  background: linear-gradient(135deg, #bbf7d0, #22c55e);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nb-hero-content p {
  margin: 0 0 16px;
  color: var(--nb-text-muted);
  max-width: 560px;
  font-size: 0.96rem;
}

.nb-hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.nb-hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.85rem;
  color: var(--nb-text-muted);
}

.nb-hero-badges li {
  padding: 6px 12px;
  border-radius: var(--nb-radius-pill);
  background: rgba(3, 20, 13, 0.96);
  border: 1px solid rgba(111, 214, 148, 0.35);
}

.nb-hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nb-section {
  padding: 32px 0;
}

.nb-section-alt {
  background: radial-gradient(circle at top, rgba(6, 44, 26, 0.55), rgba(2, 11, 7, 0.98));
}

.nb-section-header {
  text-align: left;
  margin-bottom: 18px;
}

.nb-section-header h2 {
  margin: 0 0 8px;
  font-size: 1.6rem;
}

.nb-section-header p {
  margin: 0;
  max-width: 640px;
  color: var(--nb-text-muted);
}

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

.nb-grid-2 {
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: center;
}

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

.nb-section-stack {
  row-gap: 28px;
}

.nb-card {
  border-radius: var(--nb-radius-md);
  border: 1px solid var(--nb-border);
  background: rgba(3, 20, 13, 0.96);
  padding: 18px 18px 16px;
}

.nb-card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.nb-card p {
  margin: 0;
  color: var(--nb-text-muted);
  font-size: 0.9rem;
}

.nb-section-figure {
  justify-self: flex-end;
  max-width: 430px;
}

.nb-section-figure-left {
  justify-self: flex-start;
}

.nb-section-figure-blog {
  max-width: 360px;
}

.nb-section-figure-faq {
  max-width: 320px;
}

.nb-advantages-list {
  gap: 14px;
}

.nb-blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 22px;
  align-items: flex-start;
}

.nb-blog-list {
  display: grid;
  gap: 16px;
}

.nb-blog-item {
  padding: 14px 14px 12px;
  border-radius: 14px;
  border: 1px solid var(--nb-border);
  background: rgba(3, 20, 13, 0.96);
}

.nb-blog-item h3 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.nb-blog-item a:hover {
  color: #86efac;
  text-decoration: none;
}

.nb-blog-item time {
  display: block;
  font-size: 0.8rem;
  color: var(--nb-text-muted);
  margin-bottom: 6px;
}

.nb-blog-excerpt {
  font-size: 0.9rem;
  color: var(--nb-text-muted);
}

.nb-blog-empty {
  font-size: 0.9rem;
  color: var(--nb-text-muted);
}

.nb-faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 22px;
  align-items: flex-start;
}

.nb-faq {
  border-radius: var(--nb-radius-md);
  border: 1px solid var(--nb-border);
  background: rgba(3, 20, 13, 0.96);
  padding: 10px 12px;
}

.nb-faq details {
  padding: 8px 4px;
}

.nb-faq details + details {
  border-top: 1px solid rgba(121, 192, 144, 0.28);
}

.nb-faq summary {
  cursor: pointer;
  list-style: none;
}

.nb-faq summary::-webkit-details-marker {
  display: none;
}

.nb-faq summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
}

.nb-faq p {
  margin: 6px 0 0;
  font-size: 0.9rem;
  color: var(--nb-text-muted);
}

.nb-footer {
  border-top: 1px solid var(--nb-border);
  padding: 18px 0 22px;
  background: #020b07;
}

.nb-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 0.85rem;
  color: var(--nb-text-muted);
}

.nb-footer-keywords {
  margin: 4px 0 0;
  font-size: 0.8rem;
}

.nb-footer-links {
  display: flex;
  gap: 12px;
}

.nb-footer-links a {
  color: var(--nb-text-muted);
}

@media (max-width: 900px) {
  .nb-header-inner {
    gap: 10px;
  }

  .nb-nav {
    display: none;
  }

  .nb-header-cta {
    display: inline-flex;
  }

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

  .nb-hero-visual {
    order: -1;
  }

  .nb-blog-layout,
  .nb-faq-layout,
  .nb-grid-2 {
    grid-template-columns: minmax(0, 1fr);
  }

  .nb-section-figure,
  .nb-section-figure-left {
    justify-self: center;
  }
}

@media (max-width: 640px) {
  .nb-header-inner {
    padding-block: 10px;
  }

  .nb-hero {
    padding-top: 36px;
  }

  .nb-hero-content h1 {
    font-size: 2rem;
  }

  .nb-footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .nb-hero-ctas {
    flex-direction: column;
  }
  .nb-btn {
    width: 100%;
    justify-content: center;
  }
}

.nb-blog-layout-grid {
  gap: 14px;
}

.nb-blog-layout-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.nb-blog-item-card {
  border-radius: 16px;
  border: 1px solid var(--nb-border);
  background: rgba(3, 20, 13, 0.96);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 210px;
}

.nb-blog-thumb img {
  width: 100%;
  height: 96px;
  object-fit: cover;
  display: block;
}

.nb-blog-body {
  padding: 12px 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nb-blog-item-card h3 {
  margin: 0;
  font-size: 0.98rem;
}

.nb-blog-item-card .nb-blog-excerpt {
  font-size: 0.86rem;
}

.nb-blog-empty-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

@media (max-width: 1100px) {
  .nb-blog-layout-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .nb-blog-layout-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.nb-footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.nb-footer-social a {
  display: inline-flex;
}

.nb-blog-item-card h3 a {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.nb-blog-item-card .nb-blog-excerpt {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 3.6em;
}

.nb-blog-body {
  min-height: 120px;
}

.nb-blog-more {
  margin-top: 18px;
  text-align: center;
}

.nb-blog-more-btn {
  padding-inline: 22px;
}

/* --- Blog ve içerik görselleri için yumuşak köşeler --- */
.nb-blog-thumb img,
.nb-section-figure img,
.nb-hero-visual img {
  border-radius: 16px;
}

/* --- Footer hizalama iyileştirmesi --- */
.nb-footer-inner {
  align-items: flex-start;
  justify-content: space-between;
}

.nb-footer-left {
  flex: 1 1 0;
  max-width: 72%;
}

.nb-footer-links-group {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.nb-footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.nb-footer-social a {
  display: inline-flex;
}

@media (max-width: 640px) {
  .nb-footer-left {
    max-width: 100%;
  }

  .nb-footer-links-group {
    align-items: flex-start;
  }
}

/* Küçük UX dokunuşu: blog kartı hover efekti */
.nb-blog-item-card {
  transition: transform var(--nb-transition-fast), box-shadow var(--nb-transition-fast), border-color var(--nb-transition-fast);
}

.nb-blog-item-card:hover {
  transform: translateY(-2px);
  border-color: rgba(134, 239, 172, 0.7);
  box-shadow: 0 14px 32px rgba(6, 95, 70, 0.55);
}

/* Sabit CTA butonu */
.nb-floating-cta {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  padding: 10px 18px;
  border-radius: var(--nb-radius-pill);
  background: radial-gradient(circle at top left, #22C55E, #16A34A);
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 16px 40px rgba(6, 95, 70, 0.7);
  border: 1px solid rgba(190, 242, 200, 0.8);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--nb-transition-fast), box-shadow var(--nb-transition-fast), background var(--nb-transition-fast);
}

.nb-floating-cta::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #bbf7d0;
}

.nb-floating-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 52px rgba(6, 95, 70, 0.9);
}

@media (max-width: 640px) {
  .nb-floating-cta {
    right: 12px;
    left: 12px;
    bottom: 14px;
    justify-content: center;
  }
}