/* ================================================
   DEMO PORTAL — main.css
   Dark mode · Glassmorphism · Responsive
================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

:root {
  --bg:          #06060f;
  --bg2:         #0d0d1a;
  --glass:       rgba(255,255,255,0.04);
  --glass-hover: rgba(255,255,255,0.08);
  --border:      rgba(255,255,255,0.08);
  --border-hover:rgba(255,255,255,0.18);
  --text:        #f0f0ff;
  --muted:       #8888aa;
  --accent1:     #7c3aed;   /* violet */
  --accent2:     #06b6d4;   /* cyan   */
  --accent3:     #f59e0b;   /* amber  */
  --radius:      16px;
  --transition:  0.3s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Hero / Canvas ── */
#hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 560px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

#bg-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 1.5rem;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124,58,237,0.18);
  border: 1px solid rgba(124,58,237,0.4);
  border-radius: 999px;
  padding: 6px 18px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #a78bfa;
  margin-bottom: 1.4rem;
  animation: fadeUp 0.6s ease both;
}
.hero-badge .dot {
  width: 7px; height: 7px;
  background: #a78bfa;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.2rem;
  animation: fadeUp 0.6s 0.1s ease both;
}
.hero-title .grad {
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--muted);
  font-weight: 400;
  line-height: 1.6;
  max-width: 560px;
  margin: 0 auto 2.4rem;
  animation: fadeUp 0.6s 0.2s ease both;
}

.hero-scroll {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition);
  animation: fadeUp 0.6s 0.35s ease both;
  text-decoration: none;
}
.hero-scroll:hover { color: var(--text); }
.hero-scroll svg { animation: bounce 1.8s infinite; }

.hero-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 100%, rgba(124,58,237,0.22) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}

/* ── Main Section ── */
#demos-section {
  max-width: 1260px;
  margin: 0 auto;
  padding: 5rem 1.5rem 6rem;
}

/* ── Controls (search + filter) ── */
.controls {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 2.8rem;
}

.search-wrap {
  position: relative;
  flex: 1;
  min-width: 220px;
}
.search-wrap svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}
#search-input {
  width: 100%;
  padding: 14px 14px 14px 48px;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: border-color var(--transition), background var(--transition);
}
#search-input::placeholder { color: var(--muted); }
#search-input:focus {
  border-color: var(--accent1);
  background: var(--glass-hover);
}

.filter-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.tag-btn {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--glass);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: 'Inter', sans-serif;
}
.tag-btn:hover {
  border-color: var(--accent2);
  color: var(--accent2);
}
.tag-btn.active {
  background: var(--accent1);
  border-color: var(--accent1);
  color: #fff;
}

/* ── Grid ── */
#sector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.2rem;
}

/* ── Card ── */
.sector-card {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1.5rem 1.4rem;
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition),
              background var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(24px);
  animation: none;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.sector-card.visible {
  animation: cardIn 0.5s ease forwards;
}
.sector-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  background: var(--glass-hover);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.06);
}
.sector-card:hover .card-glow { opacity: 1; }
.sector-card:hover .card-btn { background: var(--accent1); color: #fff; border-color: var(--accent1); }

.card-glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.card-rank {
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.05em;
}

.card-icon {
  color: var(--muted);
  display: inline-flex;
  transition: color var(--transition);
}
.card-icon svg {
  width: 28px;
  height: 28px;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.sector-card:hover .card-icon {
  color: #ffffff;
}
.sector-card:hover .card-icon svg {
  transform: scale(1.2) rotate(-6deg);
}

.card-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.card-desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.55;
  flex: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.4rem;
}

.card-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.05em;
}

.card-btn {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition);
  font-family: 'Inter', sans-serif;
  white-space: nowrap;
}

/* no-results */
#no-results {
  display: none;
  text-align: center;
  padding: 4rem 1rem;
  color: var(--muted);
  font-size: 1rem;
  grid-column: 1/-1;
}
#no-results span { font-size: 2rem; display: block; margin-bottom: 0.8rem; }

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--muted);
  font-size: 0.82rem;
}

/* ── Tag Color Palette ── */
.tag-salud        { background: rgba(16,185,129,0.12); color: #34d399; }
.tag-legal        { background: rgba(124,58,237,0.12); color: #a78bfa; }
.tag-gastronomia  { background: rgba(245,158,11,0.12); color: #fcd34d; }
.tag-bienestar    { background: rgba(236,72,153,0.12); color: #f472b6; }
.tag-negocio      { background: rgba(6,182,212,0.12);  color: #67e8f9; }
.tag-servicios    { background: rgba(239,68,68,0.12);  color: #fca5a5; }
.tag-creativo     { background: rgba(249,115,22,0.12); color: #fb923c; }
.tag-educacion    { background: rgba(99,102,241,0.12); color: #a5b4fc; }

/* Glow colors per tag */
.glow-salud        { background: radial-gradient(ellipse at top left, rgba(16,185,129,0.15), transparent 70%); }
.glow-legal        { background: radial-gradient(ellipse at top left, rgba(124,58,237,0.15), transparent 70%); }
.glow-gastronomia  { background: radial-gradient(ellipse at top left, rgba(245,158,11,0.15), transparent 70%); }
.glow-bienestar    { background: radial-gradient(ellipse at top left, rgba(236,72,153,0.15), transparent 70%); }
.glow-negocio      { background: radial-gradient(ellipse at top left, rgba(6,182,212,0.15),  transparent 70%); }
.glow-servicios    { background: radial-gradient(ellipse at top left, rgba(239,68,68,0.15),  transparent 70%); }
.glow-creativo     { background: radial-gradient(ellipse at top left, rgba(249,115,22,0.15), transparent 70%); }
.glow-educacion    { background: radial-gradient(ellipse at top left, rgba(99,102,241,0.15), transparent 70%); }

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(5px); }
}

/* ── Responsive ── */
@media (max-width: 640px) {
  #sector-grid { grid-template-columns: 1fr 1fr; gap: 0.8rem; }
  .sector-card { padding: 1.2rem 1rem; }
  .card-btn { display: none; }
  .controls { flex-direction: column; align-items: stretch; }
  .filter-tags { overflow-x: auto; flex-wrap: nowrap; }
}
@media (max-width: 400px) {
  #sector-grid { grid-template-columns: 1fr; }
}