/*
 * Portfolio UI
 * Plain CSS design system shared by every page.
 * Keep page-specific experiments out of this file.
 */
:root {
  --site-bg: #070b14;
  --site-panel: rgba(14, 22, 38, .78);
  --site-panel-solid: #0e1626;
  --site-line: rgba(143, 173, 214, .18);
  --site-line-active: rgba(94, 234, 212, .44);
  --site-text: #e7eef9;
  --site-muted: #8fa1ba;
  --site-cyan: #5eead4;
  --site-violet: #a78bfa;
  --site-pink: #f0abfc;
  --site-radius: 16px;
  --site-shadow: 0 24px 80px rgba(0, 0, 0, .28);
}

html { background: var(--site-bg); }
body.dark {
  color: var(--site-text) !important;
  background-color: var(--site-bg) !important;
  background-image: radial-gradient(circle at 12% 8%, rgba(94,234,212,.1), transparent 28rem), radial-gradient(circle at 88% 18%, rgba(167,139,250,.11), transparent 32rem) !important;
}
body.light {
  --site-bg: #f4f7fb;
  --site-panel: rgba(255,255,255,.82);
  --site-panel-solid: #fff;
  --site-line: rgba(50,70,100,.16);
  --site-line-active: rgba(13,148,136,.45);
  --site-text: #132033;
  --site-muted: #617189;
  color: var(--site-text) !important;
  background: var(--site-bg) !important;
  background-image: radial-gradient(circle at 12% 8%, rgba(20,184,166,.1), transparent 28rem), radial-gradient(circle at 88% 18%, rgba(124,58,237,.08), transparent 32rem) !important;
}

body.dark header.floating-nav, body.light header.floating-nav {
  top: 14px;
  width: min(1180px, calc(100% - 28px));
  border: 1px solid var(--site-line) !important;
  border-radius: var(--site-radius);
  background: rgba(9,15,27,.72) !important;
  box-shadow: 0 16px 45px rgba(0,0,0,.24), inset 0 1px rgba(255,255,255,.07) !important;
  backdrop-filter: blur(22px) saturate(140%);
}
body.light header.floating-nav { background: rgba(255,255,255,.78) !important; }
.floating-nav .container { padding: .65rem 1rem; }
.floating-nav .brand-logo { width: 29px; height: 29px; border: 1px solid var(--site-line-active); }
.floating-nav .nav-link { padding: .55rem .7rem; color: var(--site-muted); border-radius: 9px; }
.floating-nav .nav-link:hover, .floating-nav .nav-link.active { color: var(--site-cyan) !important; background: rgba(94,234,212,.08); }
.floating-nav .nav-link.active::after { display: none; }
.floating-nav button { min-width: 2.25rem; min-height: 2.25rem; color: var(--site-muted); border-radius: 9px; }
.floating-nav button:hover { color: var(--site-cyan); background: rgba(94,234,212,.08); }
main.with-floating-nav { padding-top: 5.7rem; }

main > section { position: relative; isolation: isolate; }
main > section::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(rgba(94,234,212,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(94,234,212,.025) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 75%);
}
h1, h2, h3 { letter-spacing: -.035em; }
h2::before { content: '// '; color: var(--site-cyan); font: 600 .62em/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: 0; }
.text-indigo-400, .text-indigo-300 { color: var(--site-cyan) !important; }
.text-purple-400, .text-purple-300 { color: var(--site-violet) !important; }

.card, .deck, .card-3d, .project-card, .experience-card, .glass-effect {
  border: 1px solid var(--site-line) !important;
  background: var(--site-panel) !important;
  box-shadow: var(--site-shadow), inset 0 1px rgba(255,255,255,.05) !important;
  backdrop-filter: blur(16px) saturate(125%);
}
.card:hover, .deck:hover, .card-3d:hover, .project-card:hover, .experience-card:hover { border-color: var(--site-line-active) !important; }
.project-card { border-radius: 18px !important; }
.project-card:hover { transform: translateY(-7px) !important; box-shadow: 0 24px 60px rgba(0,0,0,.32), 0 0 0 1px rgba(94,234,212,.18) !important; }
.project-card-content { background: linear-gradient(to bottom, transparent, rgba(7,11,20,.78) 35%, rgba(7,11,20,.98)) !important; }
.filter-btn { border: 1px solid var(--site-line); background: var(--site-panel) !important; color: var(--site-muted) !important; }
.filter-btn.active { background: var(--site-cyan) !important; color: #071016 !important; }

.form-input, input, textarea, select { border: 1px solid var(--site-line) !important; border-radius: 10px !important; background: rgba(7,12,23,.6) !important; color: var(--site-text) !important; }
.form-input:focus, input:focus, textarea:focus, select:focus { border-color: var(--site-cyan) !important; box-shadow: 0 0 0 3px rgba(94,234,212,.12); outline: none; }
footer { background: rgba(5,9,17,.72) !important; border-top-color: var(--site-line) !important; }
body.light footer { background: rgba(255,255,255,.72) !important; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}
@media (max-width: 767px) {
  body.dark header.floating-nav, body.light header.floating-nav { width: calc(100% - 20px); top: 10px; }
  main.with-floating-nav { padding-top: 4.8rem; }
  #particles-js, .bg-video { display: none; }
  .project-card:hover, .card-3d:hover { transform: translateY(-3px) !important; }
}