@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,400;0,700;1,400&display=swap');

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  color: #e8e4f0;
  background: #0e0c18;
  line-height: 1.8;
}

a {
  color: #c4b8e8;
  text-decoration: none;
  transition: opacity 0.2s, color 0.2s;
}

a:hover {
  color: #e8e4f0;
  opacity: 0.95;
}

/* Nav */
.kf-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  position: sticky;
  top: 0;
  z-index: 100;
}

.kf-nav .logo {
  font-size: 1.05em;
  font-weight: 800;
  color: #e8e4f0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.kf-nav .logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(145deg, #2a1040, #1a1830);
  border: 1px solid rgba(232, 228, 240, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85em;
  font-weight: 800;
}

.kf-nav ul {
  display: flex;
  list-style: none;
  gap: 8px 20px;
  align-items: center;
  flex-wrap: wrap;
}

.kf-nav a.nav-link {
  color: rgba(232, 228, 240, 0.72);
  font-size: 0.9em;
  font-weight: 500;
  padding: 6px 4px;
}

.kf-nav a.nav-link:hover {
  color: #e8e4f0;
  opacity: 1;
}

.kf-nav a.nav-link.nav-accent {
  color: #e8e4f0;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(232, 228, 240, 0.1);
  border: 1px solid rgba(232, 228, 240, 0.18);
}

.kf-nav a.nav-link.nav-accent:hover {
  background: rgba(232, 228, 240, 0.16);
}

/* Hero */
.kf-hero {
  min-height: 52vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 64px 24px 56px;
  background: linear-gradient(135deg, rgba(232, 228, 240, 0.35), #2a1040), #0e0c18;
  position: relative;
  overflow: hidden;
}

.kf-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(255, 255, 255, 0.07), transparent 65%);
}

.kf-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.kf-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: #1a1830;
  border: 3px solid rgba(232, 228, 240, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2em;
  font-weight: 800;
  margin: 0 auto 20px;
  color: #e8e4f0;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.kf-hero h1 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(2.1em, 5vw, 3.1em);
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.15;
  font-weight: 700;
}

.kf-hero .sub {
  font-size: 1.12em;
  color: rgba(255, 255, 255, 0.78);
  max-width: 34em;
  margin: 0 auto 26px;
  line-height: 1.55;
}

.kf-btn {
  display: inline-block;
  padding: 12px 26px;
  background: #e8e4f0;
  color: #1a0f2e;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.95em;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 24px rgba(232, 228, 240, 0.25);
}

.kf-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(232, 228, 240, 0.35);
  color: #1a0f2e;
  opacity: 1;
}

.kf-btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  margin-left: 10px;
  box-shadow: none;
}

.kf-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.kf-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

.kf-section {
  padding: 56px 0;
}

.kf-section-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.75em;
  margin-bottom: 10px;
  color: #e8e4f0;
}

.kf-section-sub {
  font-size: 1em;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 28px;
}

.kf-panel {
  background: #1a1830;
  border-radius: 18px;
  padding: 36px 32px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 20px;
}

.kf-panel h2 {
  font-family: 'Playfair Display', Georgia, serif;
  color: #e8e4f0;
  font-size: 1.55em;
  margin-bottom: 16px;
}

.kf-panel p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.02em;
  line-height: 1.9;
  margin-bottom: 14px;
}

.kf-panel p:last-child {
  margin-bottom: 0;
}

.kf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.kf-card {
  background: #1a1830;
  border-radius: 14px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.25s, border-color 0.25s;
  display: block;
  text-decoration: none;
  color: inherit;
}

.kf-card:hover {
  transform: translateY(-3px);
  border-color: rgba(232, 228, 240, 0.15);
  opacity: 1;
}

.kf-card h3 {
  color: #e8e4f0;
  margin-bottom: 10px;
  font-size: 1.05em;
  font-weight: 700;
  line-height: 1.35;
}

.kf-card p {
  opacity: 0.68;
  font-size: 0.92em;
  line-height: 1.65;
  color: rgba(232, 228, 240, 0.9);
}

.kf-card .read-link {
  color: #d4c8f0;
  font-weight: 600;
  display: inline-block;
  margin-top: 12px;
  font-size: 0.88em;
}

.kf-footer {
  padding: 36px 24px 48px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.88em;
  color: rgba(255, 255, 255, 0.38);
}

.kf-footer a {
  color: rgba(232, 228, 240, 0.65);
  font-weight: 500;
}

.kf-footer a:hover {
  color: #e8e4f0;
}

/* Blog layout */
.kf-blog-layout {
  display: flex;
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
  gap: 28px;
}

.kf-sidebar {
  width: 260px;
  flex-shrink: 0;
  position: sticky;
  top: 72px;
  height: fit-content;
  align-self: flex-start;
}

.kf-sidebar .sidebar-card {
  background: #1a1830;
  border-radius: 14px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.kf-sidebar h3 {
  font-size: 0.9em;
  color: #e8e4f0;
  margin-bottom: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.85;
}

.kf-sidebar a {
  display: block;
  color: rgba(232, 228, 240, 0.55);
  text-decoration: none;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.82em;
  line-height: 1.4;
  transition: color 0.2s;
}

.kf-sidebar a:hover,
.kf-sidebar a.active {
  color: #e8e4f0;
  opacity: 1;
}

.kf-blog-main {
  flex: 1;
  min-width: 0;
}

.kf-article {
  background: #1a1830;
  border-radius: 16px;
  padding: 40px 36px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.kf-article h1 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.65em, 3.5vw, 2.05em);
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.25;
}

.kf-article h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.35em;
  color: #e8e4f0;
  margin: 28px 0 12px;
}

.kf-article p {
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.04em;
  line-height: 1.85;
}

.kf-article a {
  color: #d4c8f0;
  border-bottom: 1px solid rgba(212, 200, 240, 0.35);
  font-weight: 500;
}

.kf-article a:hover {
  border-bottom-color: #e8e4f0;
  opacity: 1;
}

.kf-article ul,
.kf-article ol {
  margin: 12px 0 16px 22px;
  color: rgba(255, 255, 255, 0.78);
}

.kf-article li {
  margin-bottom: 8px;
}

.kf-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0 20px;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.kf-author .author-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(232, 228, 240, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85em;
  font-weight: 700;
  color: #e8e4f0;
}

.kf-author .author-name {
  font-weight: 700;
  font-size: 0.92em;
  color: #fff;
}

.kf-author .author-role {
  font-size: 0.78em;
  color: rgba(255, 255, 255, 0.38);
}

.kf-crumb {
  font-size: 0.9em;
  margin-bottom: 20px;
}

.kf-crumb a {
  color: rgba(232, 228, 240, 0.55);
}

.kf-crumb a:hover {
  color: #e8e4f0;
}

@media (max-width: 768px) {
  .kf-blog-layout {
    flex-direction: column;
    padding: 16px;
  }

  .kf-sidebar {
    width: 100%;
    position: static;
  }

  .kf-article {
    padding: 26px 20px;
  }

  .kf-nav ul {
    gap: 8px 12px;
  }

  .kf-hero {
    min-height: auto;
    padding: 48px 20px 40px;
  }

  .kf-btn-ghost {
    margin-left: 0;
    margin-top: 10px;
    display: inline-block;
  }
}