/* ============================================================
   VIVIANA LUCCIOLI — PROJECTS PAGE
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=DM+Serif+Display&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --purple:    #7462be;
  --tangerine: #fd8660;
  --pink:      #f0658d;
  --rose:      #d75ea5;
  --bg:        #06060a;
  --card:      #131320;
  --border:    #22223a;
  --border-hi: #363658;
  --text:      #eeeef6;
  --muted:     #8888a8;
  --r:         12px;
  --ease:      0.28s cubic-bezier(0.4,0,0.2,1);
  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-serif: 'DM Serif Display', Georgia, serif;
}

@keyframes beam   { 0%{background-position:-200% center} 100%{background-position:200% center} }
@keyframes fadeUp { from{opacity:0;transform:translateY(18px)} to{opacity:1;transform:translateY(0)} }
@keyframes card-glow { 0%,100%{box-shadow:0 0 10px rgba(116,98,190,.14),0 10px 36px rgba(0,0,0,.55)} 50%{box-shadow:0 0 22px rgba(240,101,141,.2),0 10px 36px rgba(0,0,0,.55)} }

html, body {
  background: var(--bg) !important;
  color: var(--text) !important;
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

h1 {
  text-align: center;
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 400;
  color: var(--text) !important;
  letter-spacing: -.3px;
  margin-top: 2.5rem;
  margin-bottom: .5rem;
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}
h1::after {
  content: '';
  display: block;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--purple) 20%, var(--pink) 50%, var(--tangerine) 80%, transparent);
  background-size: 200% 100%;
  animation: beam 5.5s linear infinite;
  margin-top: .8rem;
}

#filter-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .75rem;
  margin: 2rem 0 3rem;
}
.filter-btn {
  padding: .55rem 1.35rem;
  border: 1.5px solid var(--border-hi);
  border-radius: 25px;
  background: rgba(255,255,255,.028);
  color: var(--muted);
  cursor: pointer;
  font-size: .86rem;
  font-weight: 500;
  font-family: var(--font-sans);
  letter-spacing: .2px;
  transition: all var(--ease);
  backdrop-filter: blur(8px);
}
.filter-btn:hover {
  border-color: rgba(240,101,141,.5);
  color: var(--pink);
  transform: translateY(-2px);
  background: rgba(240,101,141,.06);
  box-shadow: 0 0 12px rgba(240,101,141,.2), 0 4px 12px rgba(0,0,0,.35);
}
.filter-btn.active {
  border-color: var(--pink);
  color: #fff;
  background: rgba(240,101,141,.1);
  box-shadow: 0 0 14px rgba(240,101,141,.3), 0 0 28px rgba(240,101,141,.1), inset 0 0 8px rgba(240,101,141,.05);
  text-shadow: 0 0 6px rgba(240,101,141,.4);
}

#projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem 4rem;
  align-items: start;
}

.project-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  cursor: pointer;
  transition: all .32s ease;
  animation: fadeUp .5s ease-in;
  position: relative;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--purple), var(--pink), transparent);
  opacity: 0;
  transition: opacity .32s ease;
  z-index: 5;
}
.project-card:hover::before { opacity: 1; }
.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(240,101,141,.4);
  animation: card-glow 2.2s ease-in-out infinite;
}

.project-card > p:first-child {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.card-image {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: filter .4s ease, transform .4s ease;
  filter: saturate(.82) brightness(.82);
}
.project-card > p:first-child::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(6,6,10,.28);
  pointer-events: none;
  transition: background .4s ease;
  z-index: 1;
}
.project-card:hover > p:first-child::after { background: rgba(6,6,10,.1); }

.card-buttons {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: rgba(6,6,10,.8);
  opacity: 0;
  transition: opacity .35s ease;
  z-index: 10;
  aspect-ratio: 4/3;
  backdrop-filter: blur(6px);
}
.card-buttons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .65rem 1.15rem;
  border-radius: 25px;
  font-size: .83rem;
  font-weight: 600;
  text-decoration: none;
  transition: all .3s ease;
  transform: translateY(10px);
  font-family: var(--font-sans);
  border-bottom: none !important;
}
.btn-github {
  background: rgba(116,98,190,.1);
  color: var(--text) !important;
  border: 1.5px solid rgba(116,98,190,.45) !important;
}
.btn-github:hover {
  background: rgba(116,98,190,.22);
  border-color: var(--purple) !important;
  color: #fff !important;
  transform: translateY(-3px) !important;
  box-shadow: 0 0 14px rgba(116,98,190,.4), 0 0 28px rgba(116,98,190,.15);
  text-shadow: 0 0 6px rgba(116,98,190,.6);
}
.btn-site {
  background: rgba(240,101,141,.1);
  color: var(--text) !important;
  border: 1.5px solid rgba(240,101,141,.45) !important;
}
.btn-site:hover {
  background: rgba(240,101,141,.22);
  border-color: var(--pink) !important;
  color: #fff !important;
  transform: translateY(-3px) !important;
  box-shadow: 0 0 14px rgba(240,101,141,.4), 0 0 28px rgba(240,101,141,.15);
  text-shadow: 0 0 6px rgba(240,101,141,.6);
}
.project-card:hover .card-buttons { opacity: 1; }
.project-card:hover .card-buttons a { transform: translateY(0); }
.project-card:hover .card-image { filter: blur(2.5px) saturate(1.05) brightness(.7); transform: scale(1.04); }

.card-content {
  padding: 1.25rem 1.5rem 1.5rem;
  background: var(--card);
  position: relative;
  z-index: 1;
  flex: 1;
}
.card-content h3 {
  font-family: var(--font-sans);
  font-size: 1.02rem;
  font-weight: 700;
  margin: 0 0 .4rem;
  color: var(--text) !important;
  line-height: 1.3;
  transition: color var(--ease);
}
.project-card:hover .card-content h3 { color: var(--pink) !important; text-shadow: 0 0 8px rgba(240,101,141,.3); }
.card-content strong {
  display: block;
  color: var(--purple) !important;
  font-size: .8rem;
  font-weight: 500;
  margin-bottom: .65rem;
  letter-spacing: .15px;
  opacity: .9;
}
.card-content p {
  font-size: .87rem;
  line-height: 1.65;
  color: var(--muted) !important;
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height .4s ease, opacity .4s ease, margin .4s ease;
}
.project-card:hover .card-content p { max-height: 500px; opacity: 1; margin-top: .4rem; }

.fade-in { animation: fadeUp .5s ease-in; }

@media (max-width: 768px) {
  h1 { font-size: 2.2rem; }
  #projects-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .card-buttons { opacity: 1; }
  .card-buttons a { transform: translateY(0); padding: .5rem .9rem; font-size: .78rem; }
  .card-image { filter: blur(2px) saturate(.8) brightness(.7); }
  .card-content p { max-height: none; opacity: 1; margin-top: .4rem; }
}