/* ═══════════════════════════════════════════════════════════════
   manchatz.com — refined glassmorphism, dark-first
   ═══════════════════════════════════════════════════════════════ */

:root {
  --bg:        #07070c;
  --bg-2:      #0d0e15;
  --surface:   rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.075);
  --border:    rgba(255, 255, 255, 0.09);
  --border-2:  rgba(255, 255, 255, 0.16);
  --text:      #f0f1f7;
  --muted:     #a4aab8;
  --faint:     #7c8290;
  --accent:    #8b6cff;
  --accent-2:  #22d3ee;
  --accent-3:  #ff5c9d;
  --grad:      linear-gradient(120deg, #7c5cff 0%, #00d4ff 100%);
  --grad-text: linear-gradient(120deg, #a78bfa 0%, #22d3ee 100%);
  --grad-soft: linear-gradient(120deg, rgba(124,92,255,.14), rgba(0,212,255,.14));
  --grid-line: rgba(255,255,255,.045);
  --radius:    20px;
  --radius-sm: 12px;
  --shadow:    0 24px 60px -24px rgba(0, 0, 0, .8);
  --maxw:      1080px;
  --ease:      cubic-bezier(.2,.7,.2,1);
  --font:      'Inter', system-ui, -apple-system, sans-serif;
  --display:   'Space Grotesk', var(--font);
  --mono:      'JetBrains Mono', ui-monospace, monospace;
  --orb-opacity: .26;
  color-scheme: dark;
}

[data-theme="light"] {
  --bg:        #f5f6fa;
  --bg-2:      #ffffff;
  --surface:   #ffffff;
  --surface-2: #eef0f7;
  --border:    rgba(17, 18, 28, 0.09);
  --border-2:  rgba(17, 18, 28, 0.17);
  --text:      #181a22;
  --muted:     #565e6e;
  --faint:     #8b91a0;
  --accent:    #6d28d9;
  --accent-2:  #0e7490;
  --accent-3:  #db2777;
  --grad-text: linear-gradient(120deg, #6d28d9 0%, #0891b2 100%);
  --grad-soft: linear-gradient(120deg, rgba(124,92,255,.10), rgba(0,212,255,.10));
  --grid-line: rgba(17,18,28,.05);
  --shadow:    0 24px 50px -24px rgba(35, 35, 80, .22);
  --orb-opacity: .14;
  color-scheme: light;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background .4s var(--ease), color .4s var(--ease);
}

::selection { background: color-mix(in srgb, var(--accent) 35%, transparent); }

:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
  border-radius: 6px;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border-2); border-radius: 8px;
  border: 2px solid var(--bg); background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background: var(--faint); background-clip: padding-box; }

/* ── Animated background orbs (soft, per-theme) ─────────────── */
.bg-orbs { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.bg-orbs span {
  position: absolute; border-radius: 50%; filter: blur(70px);
  opacity: var(--orb-opacity); will-change: transform;
}
.bg-orbs span:nth-child(1) {
  width: 55vw; height: 55vw; top: -22vw; left: -14vw;
  background: radial-gradient(circle, #7c5cff 0%, transparent 62%);
  animation: float1 20s var(--ease) infinite;
}
.bg-orbs span:nth-child(2) {
  width: 46vw; height: 46vw; bottom: -20vw; right: -12vw;
  background: radial-gradient(circle, #ff5c9d 0%, transparent 62%);
  animation: float2 26s var(--ease) infinite;
}
.bg-orbs span:nth-child(3) {
  width: 36vw; height: 36vw; top: 36%; left: 54%;
  background: radial-gradient(circle, #00d4ff 0%, transparent 62%);
  opacity: calc(var(--orb-opacity) * .75);
  animation: float1 30s var(--ease) infinite reverse;
}
@keyframes float1 { 50% { transform: translate(5vw, 4vh) scale(1.08); } }
@keyframes float2 { 50% { transform: translate(-4vw, -3vh) scale(1.06); } }

/* ── Layout ────────────────────────────────────────────────── */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 760px; }
.section { padding: clamp(56px, 9vh, 88px) 0; }
.section.page { padding-top: clamp(96px, 14vh, 140px); }
.center { text-align: center; }

.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 16px; margin-bottom: clamp(26px, 4vh, 38px); flex-wrap: wrap;
}
.section-head h1, .section-head h2 {
  font-family: var(--display); font-size: clamp(1.7rem, 3vw, 2.25rem);
  letter-spacing: -.02em; line-height: 1.15;
}
.section-head .head-sub { margin-top: 6px; }

/* ── Nav ───────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 18px;
  padding: 13px 24px;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex; align-items: center; gap: 10px; text-decoration: none;
  color: var(--text); font-family: var(--display); font-weight: 700;
}
.brand-mark {
  width: 34px; height: 34px; display: grid; place-items: center;
  border-radius: 10px; background: var(--grad); color: #fff; font-size: 16px;
  box-shadow: 0 6px 18px -6px var(--accent);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.brand:hover .brand-mark { transform: rotate(-6deg) scale(1.06); box-shadow: 0 8px 22px -6px var(--accent); }
.brand-name { font-size: 1.05rem; letter-spacing: -.01em; }

.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--muted); text-decoration: none; font-weight: 500; font-size: .94rem;
  padding: 8px 14px; border-radius: 10px; transition: .2s var(--ease);
}
.nav-links a:hover { color: var(--text); background: var(--surface-2); }
.nav-links a.active { color: var(--text); background: var(--surface-2); }
.nav-links a.active::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--grad); box-shadow: 0 0 10px 0 var(--accent);
}

.nav-actions { display: flex; align-items: center; gap: 10px; }
.social { display: flex; gap: 6px; align-items: center; }
.social a {
  display: grid; place-items: center; width: 34px; height: 34px;
  border-radius: 10px; color: var(--muted); text-decoration: none;
  border: 1px solid transparent; transition: .2s var(--ease);
}
.social a:hover {
  color: var(--text); background: var(--surface-2);
  border-color: var(--border); transform: translateY(-2px);
}

.theme-toggle {
  width: 34px; height: 34px; display: grid; place-items: center;
  border-radius: 10px; background: transparent; border: 1px solid var(--border);
  color: var(--text); cursor: pointer; transition: .25s var(--ease);
}
.theme-toggle:hover { background: var(--surface-2); transform: rotate(15deg); }
.theme-toggle .i-moon { display: none; }
[data-theme="light"] .theme-toggle .i-sun { display: none; }
[data-theme="light"] .theme-toggle .i-moon { display: block; }

.nav-burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 1px solid var(--border); border-radius: 10px;
  cursor: pointer; padding: 10px 8px;
}
.nav-burger span { width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: .25s var(--ease); }
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ─────────────────────────────────────────────────── */
.hero { position: relative; padding: clamp(64px, 11vh, 112px) 0 clamp(40px, 7vh, 64px); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 0%, black 25%, transparent 72%);
  mask-image: radial-gradient(ellipse 75% 65% at 50% 0%, black 25%, transparent 72%);
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.2fr .8fr; gap: 44px; align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent-2); font-weight: 600; margin-bottom: 16px;
  padding: 6px 14px; border: 1px solid var(--border-2); border-radius: 100px;
  background: var(--surface-2);
}
.eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--grad);
  animation: pulse-dot 2.4s var(--ease) infinite;
}
@keyframes pulse-dot { 50% { opacity: .4; transform: scale(.8); } }
.hero h1 {
  font-family: var(--display); font-size: clamp(2.5rem, 6vw, 4.1rem);
  line-height: 1.05; letter-spacing: -.03em; font-weight: 700;
}
.grad {
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent;
  background-size: 200% auto; animation: shine 7s linear infinite;
}
@keyframes shine { to { background-position: 200% center; } }
.lead { font-size: 1.25rem; color: var(--text); margin-top: 18px; font-weight: 500; }
.sub { color: var(--muted); margin-top: 10px; max-width: 46ch; }
.hero-actions { display: flex; gap: 12px; margin: 28px 0 20px; flex-wrap: wrap; }
.hero .social { margin-top: 4px; }

.hero-visual { display: grid; place-items: center; }
.avatar-frame {
  position: relative; width: 250px; height: 250px; border-radius: 32px;
  padding: 4px; background: var(--grad); box-shadow: var(--shadow);
  animation: floaty 7s var(--ease) infinite;
}
.avatar-frame::after {
  content: ""; position: absolute; inset: -2px; border-radius: 34px;
  background: var(--grad); filter: blur(26px); opacity: .45; z-index: -1;
}
.avatar { width: 100%; height: 100%; border-radius: 28px; object-fit: cover; display: block; background: var(--bg-2); }
@keyframes floaty { 50% { transform: translateY(-12px); } }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  position: relative; display: inline-flex; align-items: center; gap: 8px;
  text-decoration: none; font-weight: 600; font-size: .96rem;
  padding: 12px 22px; border-radius: 12px; overflow: hidden;
  border: 1px solid transparent; cursor: pointer; transition: .22s var(--ease);
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 30px -10px var(--accent); }
.btn-primary::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,.28) 50%, transparent 70%);
  transform: translateX(-110%); transition: transform .6s var(--ease);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px -10px var(--accent); }
.btn-primary:hover::after { transform: translateX(110%); }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border-2); }
.btn-ghost:hover { background: var(--surface-2); transform: translateY(-2px); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--accent-2); text-decoration: none; font-weight: 600; font-size: .95rem; transition: .2s var(--ease);
}
.link-arrow:hover { color: var(--accent); transform: translateX(2px); }

/* ── Cards ─────────────────────────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }
.card {
  display: flex; flex-direction: column; gap: 8px; text-decoration: none; color: var(--text);
  padding: 24px; border-radius: var(--radius); background: var(--surface);
  border: 1px solid var(--border); position: relative; overflow: hidden;
  transition: transform .28s var(--ease), border-color .28s var(--ease), box-shadow .28s var(--ease);
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: var(--radius);
  background: var(--grad-soft); opacity: 0; transition: opacity .35s var(--ease);
}
.card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%),
              color-mix(in srgb, var(--accent) 14%, transparent), transparent 68%);
  opacity: 0; transition: opacity .35s var(--ease);
}
.card:hover { transform: translateY(-5px); border-color: var(--border-2); box-shadow: var(--shadow); }
.card:hover::before, .card:hover::after { opacity: 1; }
.card > * { position: relative; z-index: 1; }

/* Per-card accent hues */
.cards > :nth-child(6n+1) { --p1: #7c5cff; --p2: #22d3ee; }
.cards > :nth-child(6n+2) { --p1: #ff5c9d; --p2: #8b6cff; }
.cards > :nth-child(6n+3) { --p1: #22d3ee; --p2: #34d399; }
.cards > :nth-child(6n+4) { --p1: #f59e0b; --p2: #ff5c9d; }
.cards > :nth-child(6n+5) { --p1: #34d399; --p2: #22d3ee; }
.cards > :nth-child(6n+6) { --p1: #8b6cff; --p2: #ff5c9d; }

/* ── Project tiles ─────────────────────────────────────────── */
.card.project {
  aspect-ratio: 1 / 1; justify-content: space-between; overflow: hidden;
  background:
    radial-gradient(130% 130% at 0% 0%, color-mix(in srgb, var(--p1, #7c5cff) 15%, transparent), transparent 58%),
    radial-gradient(130% 130% at 100% 100%, color-mix(in srgb, var(--p2, #00d4ff) 13%, transparent), transparent 58%),
    var(--surface);
}
.card.project .card-bg {
  position: absolute; inset: -40%; z-index: 0;
  background: conic-gradient(from 0deg at 50% 50%,
    transparent 0deg,
    color-mix(in srgb, var(--p1, #7c5cff) 30%, transparent) 90deg,
    transparent 170deg,
    color-mix(in srgb, var(--p2, #00d4ff) 26%, transparent) 250deg,
    transparent 330deg);
  filter: blur(52px); opacity: .5;
  transition: opacity .4s var(--ease), transform .8s var(--ease);
  animation: tileSpin 26s linear infinite;
}
@keyframes tileSpin { to { transform: rotate(360deg); } }
.card.project .ghost {
  position: absolute; z-index: 0; right: -8px; bottom: -38px;
  font-family: var(--display); font-size: 10rem; line-height: 1; font-weight: 700; letter-spacing: -.05em;
  background: linear-gradient(135deg, var(--p1, #7c5cff), var(--p2, #00d4ff));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  opacity: .14; transition: opacity .35s var(--ease), transform .5s var(--ease);
  user-select: none;
}
.card.project:hover { transform: translateY(-6px); border-color: var(--border-2); box-shadow: var(--shadow); }
.card.project:hover .card-bg { opacity: .8; transform: scale(1.06) rotate(20deg); }
.card.project:hover .ghost { opacity: .3; transform: translateY(-4px) scale(1.03); }
.card.project .card-title { font-size: 1.35rem; }
.card.project .chip {
  color: color-mix(in srgb, var(--p1, #7c5cff) 78%, var(--text));
  border-color: color-mix(in srgb, var(--p1, #7c5cff) 38%, transparent);
  background: color-mix(in srgb, var(--p1, #7c5cff) 9%, transparent);
}
.card.project .card-go { align-self: flex-start; }

/* Scroll-reveal entrance for tiles */
.card.project.reveal { opacity: 0; transform: translateY(34px) scale(.94); }
.card.project.reveal.in {
  opacity: 1; transform: none;
  transition: opacity .7s var(--ease), transform .7s var(--ease), border-color .28s, box-shadow .28s;
}

.card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.card-title {
  font-family: var(--display); font-weight: 700; font-size: 1.15rem; letter-spacing: -.01em;
  transition: color .2s var(--ease);
}
.card-desc { color: var(--muted); font-size: .95rem; flex: 1; }
.card.post .post-date { color: var(--faint); font-size: .8rem; font-family: var(--mono); letter-spacing: .04em; }
.card-go {
  display: inline-flex; color: var(--accent-2); font-weight: 600; font-size: .9rem; margin-top: 4px;
  transition: transform .25s var(--ease), color .25s var(--ease);
}
.card:hover .card-go { transform: translateX(5px); color: var(--accent); }

.chip, .chips { display: inline-flex; }
.chip {
  font-size: .75rem; font-weight: 600; color: var(--muted);
  padding: 3px 10px; border-radius: 100px; background: var(--surface-2); border: 1px solid var(--border);
  transition: .2s var(--ease);
}
.chips { gap: 6px; flex-wrap: wrap; margin-top: 2px; }
.card.post:hover .chip { color: var(--text); border-color: var(--border-2); }

/* ── About / prose ────────────────────────────────────────── */
.about-head { display: flex; align-items: center; gap: 22px; margin-bottom: 30px; }
.about-head .avatar-frame { width: 96px; height: 96px; border-radius: 24px; animation: none; }
.about-head .avatar { border-radius: 20px; }
.about-head h1 { font-family: var(--display); letter-spacing: -.02em; }
.prose { font-size: 1.05rem; color: var(--text); }
.prose h2 {
  font-family: var(--display); font-size: 1.6rem; margin: 40px 0 12px;
  letter-spacing: -.02em; scroll-margin-top: 100px;
}
.prose h2::after {
  content: ""; display: block; width: 44px; height: 2px; margin-top: 10px;
  border-radius: 2px; background: var(--grad);
}
.prose h3 { font-family: var(--display); font-size: 1.25rem; margin: 28px 0 10px; }
.prose p { margin: 14px 0; color: var(--muted); }
.prose p strong, .prose li strong { color: var(--text); }
.prose a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--accent); }
.prose ul, .prose ol { margin: 14px 0; padding-left: 22px; color: var(--muted); }
.prose li { margin: 6px 0; }
.prose li::marker { color: var(--accent-2); }
.prose code {
  font-family: var(--mono); font-size: .88em; background: var(--surface-2);
  padding: 2px 6px; border-radius: 6px; border: 1px solid var(--border);
}
.prose pre {
  background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 16px; overflow: auto; margin: 18px 0;
}
.prose pre code { background: none; border: none; padding: 0; font-size: .85rem; }
.prose blockquote {
  border-left: 3px solid var(--accent); padding: 6px 18px; margin: 18px 0;
  color: var(--muted); font-style: italic; background: var(--surface-2); border-radius: 0 12px 12px 0;
}
.prose hr { border: none; border-top: 1px solid var(--border); margin: 30px 0; }
.prose img { max-width: 100%; border-radius: var(--radius-sm); margin: 16px 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: .95rem; }
.prose th, .prose td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
.prose th { background: var(--surface-2); font-family: var(--display); }

/* ── Post ─────────────────────────────────────────────────── */
.post .back { color: var(--muted); text-decoration: none; font-size: .9rem; transition: .2s; }
.post .back:hover { color: var(--accent-2); }
.post h1 {
  font-family: var(--display); font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -.03em; margin: 14px 0 12px; line-height: 1.1;
}
.post-meta {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  color: var(--faint); font-family: var(--mono); font-size: .85rem; margin-bottom: 4px;
}
.grad-rule { width: 64px; height: 2px; border-radius: 2px; background: var(--grad); margin: 10px 0 30px; }
.post-foot { margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--border); }

/* ── Social section ───────────────────────────────────────── */
.social-section {
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-2) 55%, transparent);
}
.social-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; align-items: center; }
.social-intro h2 { font-family: var(--display); font-size: 1.8rem; letter-spacing: -.02em; margin-bottom: 10px; }
.social-intro .social { margin-top: 18px; }
.social-intro .social a { width: 42px; height: 42px; border: 1px solid var(--border); background: var(--surface); }
.x-embed {
  border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--bg-2); padding: 14px; min-height: 200px; overflow: hidden;
  box-shadow: var(--shadow);
}

/* ── 404 ──────────────────────────────────────────────────── */
.big-404 {
  font-family: var(--display); font-size: clamp(5rem, 18vw, 10rem); font-weight: 700; line-height: 1;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: floaty 5s var(--ease) infinite;
}

/* ── Footer ───────────────────────────────────────────────── */
.footer { position: relative; border-top: 1px solid var(--border); padding: 30px 0; margin-top: 40px; }
.footer::before {
  content: ""; position: absolute; top: -1px; left: 15%; right: 15%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-2) 30%, var(--border-2) 70%, transparent);
}
.footer-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  color: var(--muted); font-size: .9rem;
}
.footer-brand { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.footer-brand .brand { font-size: .98rem; }
.footer-brand .brand-mark { width: 28px; height: 28px; font-size: 13px; border-radius: 8px; }
.footer-tag { color: var(--faint); }
.footer-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 16px; }
.footer-links a { color: var(--muted); text-decoration: none; transition: .2s; }
.footer-links a:hover { color: var(--text); }

.muted { color: var(--muted); }

/* ── Scroll reveal ────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; text-align: left; gap: 30px; }
  .hero-visual { order: -1; justify-items: start; }
  .avatar-frame { width: 150px; height: 150px; border-radius: 24px; }
  .avatar { border-radius: 20px; }
  .social-grid { grid-template-columns: 1fr; }
  .nav {
    padding: 12px 16px; gap: 12px;
  }
  .nav-links {
    position: absolute; top: calc(100% + 8px); left: 14px; right: 14px;
    flex-direction: column; gap: 4px; padding: 8px; border-radius: 16px;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border); box-shadow: var(--shadow);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; border-radius: 12px; }
  .nav-burger { display: flex; }
  .nav-actions .social { display: none; }
}
@media (max-width: 520px) {
  .section { padding: 48px 0; }
  .about-head { flex-direction: column; align-items: flex-start; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .card.project { aspect-ratio: auto; min-height: 210px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .card.project.reveal { opacity: 1; transform: none; }
}