:root {
  --bg: #050814;
  --bg-elevated: #0d1124;
  --border-subtle: rgba(255, 255, 255, 0.06);
  --accent: #4f46e5;
  --accent-soft: rgba(79, 70, 229, 0.18);
  --accent-strong: #a855f7;
  --text: #f9fafb;
  --text-muted: #9ca3af;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --shadow-soft: 0 24px 60px rgba(15, 23, 42, 0.6);
}

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

body.site {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #111827 0, #020617 45%, #020617 100%);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

.site-main {
  width: 100%;
  max-width: 1120px;
  padding: 1.5rem 1.25rem 3rem;
  margin: 0 auto;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: linear-gradient(
    to bottom,
    rgba(2, 6, 23, 0.92),
    rgba(2, 6, 23, 0.75),
    transparent
  );
  border-bottom: 1px solid var(--border-subtle);
}

/* Fix — ensure blog-banner content is visible */
.blog-banner {
  display: block;
  padding: 1.5rem 1.2rem !important;
  min-height: auto !important;
}

.blog-banner h2,
.blog-banner p,
.blog-banner ul {
  position: relative;
  z-index: 2;
}

/* Fix the animated glow overlay height and layering */
.blog-header-animated::after {
  z-index: 1;
}

.blog-header-animated::before {
  z-index: 0;
}


.site-header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: radial-gradient(circle at 0 0, var(--accent-soft), transparent 55%);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, var(--accent-strong), var(--accent));
  font-size: 0.8rem;
  font-weight: 700;
}

.logo-text {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.logo-text span {
  opacity: 0.7;
}

/* Nav */

.site-nav {
  margin-left: auto;
}

.site-nav ul {
  display: flex;
  list-style: none;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
}

.site-nav a {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--text-muted);
  border: 1px solid transparent;
  transition:
    color 0.18s ease,
    background 0.18s ease,
    border-color 0.18s ease,
    transform 0.12s ease;
}

.site-nav a:hover {
  color: var(--text);
  background: rgba(15, 23, 42, 0.9);
  border-color: var(--border-subtle);
}

.site-nav a.is-active {
  color: var(--text);
  background: var(--accent-soft);
  border-color: rgba(129, 140, 248, 0.65);
}

/* Lang switcher */

.lang-switcher {
  display: flex;
  gap: 0.3rem;
  margin-left: 0.5rem;
  align-items: center;
}

.lang {
  font-size: 0.78rem;
  padding: 0.22rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.lang.current {
  background: var(--accent);
  border-color: transparent;
  color: #e5e7eb;
}

/* Hero */

.hero {
  margin-top: 1.75rem;
  margin-bottom: 2rem;
}

.hero-inner {
  background: radial-gradient(circle at top left, #111827, #020617);
  border-radius: var(--radius-xl);
  padding: 1.9rem 1.5rem 1.8rem;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.hero-inner::before {
  content: "";
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.12), transparent 40%),
    radial-gradient(circle at 80% 0, rgba(129, 140, 248, 0.18), transparent 45%);
  opacity: 0.9;
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero-kicker,
.hero-title,
.hero-subtitle,
.hero-actions {
  position: relative;
  z-index: 1;
}

.hero-kicker {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.hero-title {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1.1;
  margin: 0 0 0.85rem;
}

.hero-title span {
  color: var(--accent-strong);
}

.hero-subtitle {
  margin: 0 0 1.4rem;
  font-size: 0.95rem;
  max-width: 42rem;
  color: #d1d5db;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.55rem 1.15rem;
  font-size: 0.88rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    transform 0.12s ease,
    box-shadow 0.12s ease;
}

.btn-primary {
  background: linear-gradient(to right, var(--accent), var(--accent-strong));
  box-shadow: 0 16px 40px rgba(55, 48, 163, 0.7);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 50px rgba(55, 48, 163, 0.85);
}

.btn-ghost {
  background: rgba(15, 23, 42, 0.95);
  border-color: var(--border-subtle);
  color: var(--text-muted);
}

.btn-ghost:hover {
  border-color: rgba(148, 163, 184, 0.9);
  color: var(--text);
}

/* Cards */

.cards-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.card {
  background: rgba(15, 23, 42, 0.96);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1.2rem 1rem;
}

.card h2 {
  margin-top: 0;
  margin-bottom: 0.4rem;
  font-size: 1.1rem;
}

.card p {
  margin-top: 0;
  margin-bottom: 0.8rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.card-link {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-strong);
}

/* Page / post */

.page,
.post {
  background: rgba(15, 23, 42, 0.96);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1.6rem 1.4rem;
  box-shadow: var(--shadow-soft);
  margin-top: 1.6rem;
}

.page-header h1 {
  margin-top: 0;
  margin-bottom: 0.3rem;
  font-size: 1.6rem;
}

.page-subtitle,
.post-meta {
  margin: 0 0 0.85rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.page-content,
.post-content {
  font-size: 0.92rem;
  line-height: 1.6;
  color: #e5e7eb;
}

.page-content p,
.post-content p {
  margin-bottom: 0.8rem;
}

.page-content h2,
.page-content h3 {
  margin-top: 1.3rem;
}

.back-link {
  margin-top: 1.4rem;
  font-size: 0.85rem;
}

/* Footer */

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding: 1.4rem 1.25rem 1.8rem;
  color: var(--text-muted);
}

.site-footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  font-size: 0.82rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6rem;
}

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

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

/* Responsive */

@media (min-width: 768px) {
  .site-header-inner {
    padding-inline: 1.5rem;
  }

  .site-main {
    padding-inline: 1.5rem;
  }

  .hero-inner {
    padding: 2.2rem 2rem 2.1rem;
  }

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

@media (max-width: 720px) {
  .site-header-inner {
    flex-wrap: wrap;
  }

  .site-nav {
    order: 3;
    width: 100%;
  }

  .site-nav ul {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
}
/* Blog banner + animated header */

.blog-banner {
  margin-top: 1.4rem;
  margin-bottom: 1.6rem;
  padding: 1.4rem 1.2rem;
  border-radius: 18px;
  border: 1px solid var(--border-subtle);
  background: radial-gradient(circle at top left, #111827, #020617);
  position: relative;
  overflow: hidden;
}

.blog-banner h2 {
  margin-top: 0;
  margin-bottom: 0.6rem;
}

.blog-banner p,
.blog-banner li {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Animated glow / “modern tech” header effect */

.blog-header-animated {
  border-color: rgba(129, 140, 248, 0.6);
}

.blog-header-animated::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: conic-gradient(
    from 180deg,
    rgba(56, 189, 248, 0.0),
    rgba(56, 189, 248, 0.4),
    rgba(129, 140, 248, 0.7),
    rgba(236, 72, 153, 0.5),
    rgba(56, 189, 248, 0.0)
  );
  opacity: 0.25;
  mix-blend-mode: screen;
  filter: blur(10px);
  animation: glowSweep 12s linear infinite;
  pointer-events: none;
}

.blog-header-animated::after {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: radial-gradient(circle at top left, #111827, #020617);
  z-index: 0;
}

.blog-banner > * {
  position: relative;
  z-index: 1;
}

@keyframes glowSweep {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Latest posts section */

.latest-posts {
  margin-top: 1.5rem;
}

.latest-posts h2 {
  margin-top: 0;
  margin-bottom: 0.9rem;
  font-size: 1.25rem;
}

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

.latest-posts-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
}

.post-card {
  background: rgba(15, 23, 42, 0.96);
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
  padding: 0.9rem 0.85rem;
}

.post-card h3 {
  margin-top: 0;
  margin-bottom: 0.35rem;
  font-size: 1rem;
}

.post-card h3 a {
  text-decoration: none;
}

.post-card h3 a:hover {
  text-decoration: underline;
}

.post-card-meta {
  margin: 0 0 0.4rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.post-card-excerpt {
  margin: 0 0 0.7rem;
  font-size: 0.88rem;
  color: #e5e7eb;
}

.post-card-link {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-strong);
}

/* Responsive grid for wider screens */

@media (min-width: 768px) {
  .latest-posts-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .latest-posts-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
/* Projects grid / cards */

.projects-intro {
  margin-bottom: 1.4rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.projects-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.project-card {
  border-radius: 18px;
  border: 1px solid var(--border-subtle);
  background: radial-gradient(circle at top left, #020617, #020617 40%, #020617 100%);
  padding: 1.25rem 1.1rem;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.6);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: "";
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.16), transparent 55%),
    radial-gradient(circle at 100% 0, rgba(129, 140, 248, 0.22), transparent 55%);
  opacity: 0.7;
  mix-blend-mode: screen;
  pointer-events: none;
}

.project-card > * {
  position: relative;
  z-index: 1;
}

.project-card-header {
  margin-bottom: 0.6rem;
}

.project-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid rgba(148, 163, 184, 0.5);
  color: var(--text-muted);
  background: rgba(15, 23, 42, 0.9);
  margin-bottom: 0.45rem;
}

.project-card-title {
  margin: 0;
  font-size: 1.15rem;
}

.project-card-title a {
  text-decoration: none;
}

.project-card-title a:hover {
  text-decoration: underline;
}

.project-card-meta {
  margin: 0.15rem 0 0.4rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.project-card-desc {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  color: #e5e7eb;
}

.project-card-list {
  margin: 0 0 0.7rem;
  padding-left: 1.15rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.project-card-list li + li {
  margin-top: 0.15rem;
}

.project-card-linkline {
  margin: 0;
  font-size: 0.82rem;
}

.project-card-linkline a {
  text-decoration: none;
  color: var(--accent-strong);
}

.project-card-linkline a:hover {
  text-decoration: underline;
}

@media (min-width: 768px) {
  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .projects-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
html {
  scroll-behavior: smooth;
}