/* ── Fonts (self-hosted, SIL OFL — licenses in assets/fonts/) ── */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url(assets/fonts/inter-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url(assets/fonts/inter-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url(assets/fonts/space-grotesk-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url(assets/fonts/space-grotesk-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #1c1f24;
  --bg-2:      #242830;
  --bg-card:   #2c3038;
  --border:    rgba(196, 184, 160, 0.09);
  --text:      #eae6df;
  --text-muted:#a29d97;
  --accent:    #c4b8a0;
  --accent-2:  #d8cebc;
  --accent-3:  #948877;
  --accent-rgb:196, 184, 160;
  --radius:    12px;
  --radius-lg: 20px;
  --shadow:    0 4px 32px rgba(0,0,0,0.50);
  --nav-bg:    rgba(10,10,15,0.85);
  --menu-bg:   rgba(10,10,15,0.97);
  --nav-h:     68px;
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

html:not(.theme-ready) * { transition: none !important; }

[data-theme="light"] {
  --bg:         #e8e4dc;
  --bg-2:       #f0ede8;
  --bg-card:    #f5f3ef;
  --border:     rgba(92, 84, 72, 0.12);
  --text:       #1e2228;
  --text-muted: #625d58;
  --accent:     #5c5448;
  --accent-2:   #4a4238;
  --accent-3:   #74675a;
  --accent-rgb: 92, 84, 72;
  --shadow:     0 4px 32px rgba(0,0,0,0.08);
  --nav-bg:     rgba(232,228,220,0.85);
  --menu-bg:    rgba(232,228,220,0.97);
}

[data-theme="light"] .btn-primary {
  color: #f0ede8;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 8px;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  transition: color var(--transition), border-color var(--transition);
}
.theme-toggle:hover { color: var(--text); }
.theme-toggle svg { width: 18px; height: 18px; fill: currentColor; }
.icon-moon { display: block; }
.icon-sun  { display: none; }
[data-theme="light"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun  { display: block; }

/* ── Language toggle ── */
html[lang="de"] [data-lang="en"],
html[lang="en"] [data-lang="de"] { display: none !important; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--text-muted);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 18px;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition), border-color var(--transition);
}
.lang-toggle:hover { border-color: rgba(var(--accent-rgb),0.35); }
.lang-sep { opacity: 0.4; }
html[lang="de"] .lang-opt-de,
html[lang="en"] .lang-opt-en { color: var(--accent-2); font-weight: 700; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Utilities ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent-2) 0%, var(--accent) 60%, var(--accent-3) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent-3), var(--accent));
  color: #1c1c1c;
  box-shadow: 0 0 24px rgba(var(--accent-rgb),0.2);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 36px rgba(var(--accent-rgb),0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: rgba(var(--accent-rgb),0.06);
  border-color: rgba(var(--accent-rgb),0.3);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--accent-2);
  border: 1px solid var(--accent-2);
}
.btn-outline:hover {
  background: rgba(var(--accent-rgb),0.1);
  transform: translateY(-2px);
}

.btn-large { padding: 16px 36px; font-size: 1rem; border-radius: 10px; }

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  border-color: var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-2);
}

.nav-links {
  display: flex;
  gap: 36px;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after { width: 100%; }

/* ── Focus & skip link ── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
.skip-link {
  position: fixed;
  top: 12px; left: 12px;
  z-index: 200;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--accent);
  font-size: 0.875rem;
  transform: translateY(-200%);
}
.skip-link:focus-visible { transform: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 40px) 24px 80px;
  position: relative;
  overflow: hidden;
  max-width: 1100px;
  margin: 0 auto;
  gap: 60px;
}

.hero-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(var(--accent-rgb),0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--accent-rgb),0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 0%, transparent 70%);
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  pointer-events: none;
}
.blob-1 {
  width: 600px; height: 600px;
  background: var(--accent);
  top: -200px; left: -200px;
  opacity: 0.1;
  animation: blobFloat 8s ease-in-out infinite;
}
.blob-2 {
  width: 400px; height: 400px;
  background: var(--accent-3);
  bottom: -100px; right: -100px;
  opacity: 0.1;
  animation: blobFloat 10s ease-in-out infinite reverse;
}
@keyframes blobFloat {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(30px,20px) scale(1.05); }
}

.hero-content {
  flex: 1;
  min-width: 0;
  animation: fadeInUp 0.8s ease both;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(var(--accent-rgb),0.1);
  border: 1px solid rgba(var(--accent-rgb),0.25);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-2);
  margin-bottom: 24px;
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--text-muted);
  font-weight: 400;
  margin-bottom: 20px;
}

.hero-description {
  max-width: 480px;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-socials {
  display: flex;
  gap: 16px;
}
.hero-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all var(--transition);
}
.hero-socials a svg { width: 18px; height: 18px; }
.hero-socials a:hover {
  color: var(--accent-2);
  border-color: var(--accent);
  background: rgba(var(--accent-rgb),0.08);
  transform: translateY(-2px);
}

.hero-image {
  flex-shrink: 0;
  animation: fadeInRight 0.8s 0.2s ease both;
}
.hero-image-wrapper {
  position: relative;
  width: 340px;
}
.hero-image-wrapper img {
  width: 100%;
  border-radius: var(--radius-lg);
  position: relative;
  z-index: 1;
}
.hero-image-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(ellipse at center, rgba(var(--accent-rgb),0.18) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
  filter: blur(20px);
}

/* ── Section ── */
.section { padding: 100px 0; }
.section-dark { background: var(--bg-2); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 12px;
}
.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ── About ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: center;
}

.about-image-frame {
  position: relative;
}
.about-image-frame img {
  width: 100%;
  border-radius: 0;
  display: block;
}

.about-lead {
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.7;
  margin-bottom: 16px;
}
.about-body {
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 36px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.stat { text-align: center; }
.stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
}
.stat-icon svg {
  width: 28px;
  height: 28px;
  color: var(--accent-2);
}
.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Skills ── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
}
.skill-card:hover {
  border-color: rgba(var(--accent-rgb),0.25);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
}

.skill-icon {
  width: 48px; height: 48px;
  background: rgba(var(--accent-rgb),0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.skill-icon svg {
  width: 24px; height: 24px;
  color: var(--accent-2);
}

.skill-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-tags span {
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(var(--accent-rgb),0.06);
  border: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── Projects ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all var(--transition);
}
.project-card:hover {
  border-color: rgba(var(--accent-rgb),0.25);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
}

.project-featured {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(var(--accent-rgb),0.07), rgba(var(--accent-rgb),0.04));
  border-color: rgba(var(--accent-rgb),0.15);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.project-github-link {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  transition: color var(--transition);
}
.project-github-link svg {
  width: 28px;
  height: 28px;
}
.project-github-link:hover { color: var(--accent-2); }

.project-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.project-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 4px;
  transition: color var(--transition);
}
.project-card:hover .project-title { color: var(--accent-2); }

/* Whole-card link: the title anchor stretches over the card, other links sit above it */
.project-card,
.blog-card { position: relative; }
.card-link::after {
  content: '';
  position: absolute;
  inset: 0;
}
.card-link:focus-visible { outline: none; }
.project-card:has(.card-link:focus-visible),
.blog-card:has(.card-link:focus-visible) {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.project-github-link { position: relative; z-index: 1; }

.project-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

.project-footer { margin-top: auto; }

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.project-tech span {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: 'Space Grotesk', sans-serif;
}
.project-tech span::before { content: '# '; color: var(--accent-2); opacity: 0.7; }

.projects-cta {
  text-align: center;
  margin-top: 48px;
}

/* ── Contact ── */
.contact-wrapper > .btn-primary {
  align-self: center;
}

.contact-wrapper {
  max-width: 820px;
  margin: 0 auto;
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 40px;
}
.contact-text { width: 100%; }
.contact-text p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact-info {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: space-between;
  gap: 14px 24px;
  align-items: center;
}
@media (max-width: 760px) {
  .contact-info { flex-direction: column; align-items: flex-start; }
}
.contact-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.contact-item svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
}
.contact-item:hover { color: var(--accent-2); }

/* ── Footer ── */
.footer {
  padding: 28px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}
.footer p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ── Animations ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero {
    flex-direction: column-reverse;
    text-align: center;
    padding-top: calc(var(--nav-h) + 24px);
  }
  .hero-description { max-width: 100%; }
  .hero-actions, .hero-socials { justify-content: center; }
  .hero-image-wrapper { width: 260px; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-image-frame { max-width: 380px; margin: 0 auto; }
  .about-stats { grid-template-columns: repeat(3, 1fr); }

  .projects-grid { grid-template-columns: 1fr; }
  .project-featured { grid-column: span 1; }
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-actions { margin-left: auto; margin-right: 12px; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--menu-bg);
    backdrop-filter: blur(16px);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
  }

  .about-stats { grid-template-columns: repeat(3, 1fr); gap: 12px; }

  .hero-image-wrapper { width: 220px; }
}

/* ── Work-in-progress card ── */
.project-placeholder { cursor: default; }
.project-placeholder:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--border);
}
.project-placeholder:hover .project-title { color: inherit; }

/* ── Placeholder Badge ── */
.project-placeholder-badge {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(128,128,128,0.12);
  border: 1px dashed rgba(128,128,128,0.35);
  padding: 3px 10px;
  border-radius: 100px;
}

/* ── Case Study Label Variant ── */
.project-label--case {
  color: var(--accent);
  background: rgba(var(--accent-rgb),0.1);
  border: 1px solid rgba(var(--accent-rgb),0.2);
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ── Case Study Page ── */
.cs-page {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

.cs-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition), gap var(--transition);
  padding: calc(var(--nav-h) + 32px) 0 0;
  margin-bottom: 40px;
}
.cs-back svg { width: 16px; height: 16px; }
.cs-back:hover { color: var(--accent-2); gap: 12px; }

.cs-hero {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cs-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.cs-hero--fit { aspect-ratio: auto; }
.cs-hero--fit img { height: auto; }

.cs-meta {
  margin-bottom: 56px;
}
.cs-meta-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.cs-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 20px;
}
.cs-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}
.cs-tags span {
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(var(--accent-rgb),0.08);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.cs-links {
  display: flex;
  gap: 12px;
}
.cs-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all var(--transition);
}
.cs-links a svg { width: 16px; height: 16px; }
.cs-links a:hover {
  color: var(--accent-2);
  border-color: var(--accent);
  background: rgba(var(--accent-rgb),0.06);
}

.cs-divider {
  height: 1px;
  background: var(--border);
  margin: 48px 0;
}

.cs-body {
  max-width: 720px;
}
.cs-body h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 16px;
  padding-left: 16px;
  border-left: 2px solid var(--accent);
  letter-spacing: -0.01em;
}
.cs-body p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
  font-size: 0.975rem;
}
.cs-body ul {
  list-style: none;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cs-body ul li {
  color: var(--text-muted);
  font-size: 0.975rem;
  line-height: 1.7;
  padding-left: 20px;
  position: relative;
}
.cs-body ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}
.cs-body .cs-highlight {
  background: rgba(var(--accent-rgb),0.07);
  border: 1px solid rgba(var(--accent-rgb),0.15);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 24px;
}
.cs-body .cs-highlight p { margin-bottom: 0; }

.cs-section { margin-bottom: 52px; }

.cs-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin: -8px 0 24px;
}

.cs-figure { margin: 28px 0; }
.cs-figure img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
}
.cs-figure figcaption {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 10px;
  line-height: 1.6;
}

.cs-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 0 64px;
  border-top: 1px solid var(--border);
  margin-top: 64px;
  gap: 16px;
}
.cs-nav a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}
.cs-nav a svg { width: 16px; height: 16px; }
.cs-nav a:hover { color: var(--accent-2); }
.cs-nav a:first-child:hover { gap: 4px; }
.cs-nav a:last-child:hover { gap: 12px; }

@media (max-width: 600px) {
  .cs-nav { flex-direction: column; align-items: flex-start; }
  .cs-links { flex-wrap: wrap; }
  .cs-links a { flex: 1 1 auto; justify-content: center; }
}

/* ── Blog Section ── */
.section-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  margin-top: 12px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.blog-card--featured { grid-column: span 2; }
.blog-card:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--accent-rgb),0.25);
  box-shadow: 0 16px 40px rgba(0,0,0,0.35);
}

.blog-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.blog-category {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(var(--accent-rgb),0.12);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--accent-2);
}

.blog-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.blog-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
  letter-spacing: -0.01em;
}

.blog-excerpt {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
}

.blog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.blog-tags span {
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(var(--accent-rgb),0.06);
  border: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
}

@media (max-width: 600px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card--featured { grid-column: span 1; }
}

/* ── Blog Post Page ── */
.post-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.875rem;
  text-decoration: none;
  padding-top: calc(var(--nav-h) + 32px);
  margin-bottom: 40px;
  transition: color var(--transition);
}
.post-back:hover { color: var(--text); }
.post-back svg { width: 16px; height: 16px; }

.post-meta-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.post-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}
.post-tags span {
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(var(--accent-rgb),0.08);
  border: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.post-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0 0 48px;
}

/* ── Skills: in-progress marker ── */
.skill-tags .skill-tag--learning {
  background: transparent;
  border-style: dashed;
  border-color: rgba(var(--accent-rgb),0.4);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.skill-tag--learning::before,
.skills-legend::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.8;
  flex-shrink: 0;
}
.skills-legend {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── 404 Page ── */
.notfound {
  min-height: calc(100vh - 90px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 40px) 24px 80px;
}
.notfound-code {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(5rem, 16vw, 9rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--accent-2) 0%, var(--accent) 60%, var(--accent-3) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}
.notfound-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 12px;
}
.notfound-text {
  color: var(--text-muted);
  max-width: 440px;
  margin-bottom: 36px;
}

/* ── Reduced motion ── */
@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;
  }
  .reveal { opacity: 1; transform: none; }
}