:root {
  --bg: #07111f;
  --bg-elevated: rgba(10, 21, 38, 0.78);
  --surface: rgba(255, 255, 255, 0.08);
  --surface-strong: rgba(255, 255, 255, 0.14);
  --text: #f5f7fb;
  --muted: #9fb0c7;
  --accent: #6ee7ff;
  --accent-strong: #24284b;
  --border: rgba(255, 255, 255, 0.16);
  --radius-lg: 24px;
  --radius-md: 18px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.26);
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(132, 106, 38, 0.596), transparent 28%),
    linear-gradient(135deg, #06101d 0%, #091424 100%);
  line-height: 1.6;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent);
  pointer-events: none;
  z-index: -1;
}

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

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

.container {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
}

.section {
  padding: 6.5rem 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #02111d;
  padding: 0.75rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(24px);
  background: rgba(6, 16, 29, 0.72);
  border-bottom: 1px solid var(--border);
}

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

.brand {
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.nav-links a {
  color: var(--muted);
  transition: color 180ms ease, transform 180ms ease;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  transform: translateY(-1px);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.28rem;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 0.3rem;
  border: 0;
  background: transparent;
  padding: 0.25rem;
}

.nav-toggle span {
  width: 1.5rem;
  height: 2px;
  background: var(--text);
}

.hero {
  position: relative;
  overflow: hidden;
  padding-top: 5.6rem;
}

.hero-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 75% 10%, rgba(138, 125, 255, 0.26), transparent 24%);
  animation: float 10s ease-in-out infinite alternate;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

.error-page {
  min-height: calc(100vh - 7rem);
  display: flex;
  align-items: center;
}

.error-content {
  max-width: 720px;
}

.error-content h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  margin: 0 0 1rem;
}

.error-content code {
  padding: 0.12rem 0.35rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.95em;
}

.eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9rem;
}

h1,
h2,
h3 {
  line-height: 1.12;
}

.hero h1 {
  font-size: clamp(2.5rem, 4vw, 4.3rem);
  margin: 0 0 1rem;
  max-width: 10ch;
}

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

.hero-text,
.section-heading p,
.info-card p,
.project-content p,
.contact-shell p {
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.9rem 1.2rem;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #04131f;
  box-shadow: 0 10px 25px rgba(115, 216, 255, 0.22);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  padding: 0;
  margin: 1.4rem 0 0;
  list-style: none;
}

.hero-highlights li {
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  border: 1px solid var(--border);
}

.hero-card,
.info-card,
.skill-card,
.project-card,
.contact-card,
.post-card,
.blog-sidebar {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-card {
  padding: 1.25rem;
  border-radius: var(--radius-lg);
}

.card-surface {
  border-radius: calc(var(--radius-lg) - 6px);
  padding: 1.6rem;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.image-card-surface {
  padding: 1rem;
}

.portrait-frame {
  aspect-ratio: 1 / 1;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: linear-gradient(135deg, rgba(110, 231, 255, 0.15), rgba(124, 108, 255, 0.18));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.portrait-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-label {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 2rem;
}

.section-heading.left {
  margin-bottom: 0;
}

.section-heading h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin: 0 0 0.75rem;
}

.about-grid,
.skills-grid,
.projects-grid {
  display: grid;
  gap: 1.35rem;
}

.about-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-card,
.skill-card {
  border-radius: var(--radius-md);
  padding: 1.4rem;
}

.skill-card ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-card li {
  padding: 0.6rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

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

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 220ms ease, border-color 220ms ease;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(115, 216, 255, 0.4);
}

.project-content {
  padding: 1.25rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0.8rem 0 1rem;
}

.tag-list span,
.blog-tags span {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.4rem 0.65rem;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-size: 0.85rem;
}

.project-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.project-actions a {
  color: var(--accent);
  font-weight: 600;
}

.contact-shell {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 1.5rem;
  align-items: start;
}

.contact-card {
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: grid;
  gap: 0.6rem;
  color: var(--muted);
}

.contact-list a {
  color: var(--accent);
}

.contact-form {
  display: grid;
  gap: 0.65rem;
}

.contact-note {
  color: var(--muted);
  margin: 0;
}

.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
  color: var(--muted);
}

.footer-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.blog-hero {
  padding-top: 2.5rem;
  padding-bottom: 3rem;
}

.blog-back-button {
  margin: 0 0 1.4rem;
}

.blog-hero-meta {
  margin-top: 1rem;
}

.blog-divider {
  width: 100%;
  height: 1px;
  margin-top: 1.5rem;
  background: var(--border);
}

.blog-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.blog-toolbar input {
  max-width: 320px;
  padding: 0.9rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.blog-toggle {
  border: 1px solid var(--border);
}


.blog-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1.35fr 0.65fr;
}

.blog-main {
  grid-column: 1 / -1;
}

.featured-post,
.post-card {
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  overflow-wrap: anywhere;
}

.post-meta {
  color: var(--accent);
  font-size: 0.9rem;
  margin: 0 0 0.6rem;
}

.post-link {
  display: block;
  color: inherit;
  overflow-wrap: anywhere;
}

.post-link h2,
.post-link p {
  margin-left: 0;
  margin-right: 0;
}

.post-preview {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.post-link:hover h2,
.post-link:focus-visible h2,
.read-more,
.back-link {
  color: var(--accent);
}

.read-more,
.back-link {
  display: inline-flex;
  margin-top: 0.4rem;
  font-weight: 700;
}

.full-post {
  max-width: 820px;
  padding: 0;
  overflow-wrap: anywhere;
}

.back-button {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.8rem 1.05rem;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, color 180ms ease;
}

.back-button:hover,
.back-button:focus-visible {
  border-color: rgba(115, 216, 255, 0.55);
  color: var(--accent);
  transform: translateY(-2px);
}

.full-post-body {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.8;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.blog-pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  min-height: 2.5rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 700;
  background: rgba(255, 255, 255, 0.05);
}

.page-link:hover,
.page-link:focus-visible,
.page-link.active {
  border-color: rgba(115, 216, 255, 0.55);
  color: var(--accent);
}

.posts-list {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.blog-sidebar {
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  align-self: start;
}

.blog-sidebar ul {
  padding-left: 1rem;
  color: var(--muted);
}

.blog-sidebar li + li {
  margin-top: 0.7rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@keyframes float {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(0, 8px, 0);
  }
}

@media (max-width: 900px) {
  .hero-grid,
  .contact-shell,
  .blog-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 700px) {
  .nav {
    position: relative;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 0.6rem);
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.9rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: rgba(7, 17, 31, 0.96);
    box-shadow: var(--shadow);
    min-width: 180px;
  }

  .nav-links a {
    width: 100%;
    padding: 0.55rem 0;
  }

  .section {
    padding: 4.6rem 0;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 4rem;
  }

  .hero h1 {
    max-width: 100%;
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}