/* ====================================================== */
/* ============== ESTILOS TECNOLOGIA ==================== */
/* ====================================================== */

:root {
  --tec-green:       var(--btn-primary, #2e7d32);
  --tec-green-lt:    var(--link-bg, #66bb6a);
  --tec-green-dk:    var(--text-main, #1b5e20);
  --tec-green-pale:  var(--bg-body, #e8f5e9);
  --tec-green-mid:   var(--bg-nav, #43a047);
  --tec-white:       var(--bg-box, #ffffff);
  --tec-gray-text:   hsl(var(--hue), 18%, 36%);
  --tec-border:      hsl(var(--hue), 30%, 82%);
  --tec-sh-sm:       0 2px 10px rgba(0,0,0,0.07);
  --tec-sh-md:       0 6px 24px rgba(0,0,0,0.11);
  --tec-sh-lg:       0 10px 40px rgba(0,0,0,0.16);
  --tec-radius:      16px;
  --tec-radius-sm:   10px;
  --tec-ease:        all 0.22s ease;
}

*, *::before, *::after { box-sizing: border-box; }

/* ================================================ */
/* ===================== HERO ===================== */
/* ================================================ */
.tec-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(
    140deg,
    hsl(var(--hue), 68%, 10%) 0%,
    hsl(var(--hue), 55%, 20%) 50%,
    hsl(var(--hue), 48%, 30%) 100%
  );
  padding: 3.5rem 1.5rem 3rem;
  text-align: center;
  color: #fff;
}

.tec-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 15% 60%, hsl(var(--hue), 52%, 55%, 0.2) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 15%, hsl(var(--hue), 70%, 65%, 0.13) 0%, transparent 50%);
  pointer-events: none;
}

.tec-hero-content {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.tec-badge {
  display: inline-block;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.22);
  color: hsl(var(--hue), 65%, 82%);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 0.4rem 1.2rem;
  border-radius: 50px;
  margin-bottom: 1.3rem;
}

.tec-hero h1 {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 1rem;
  color: #fff;
}

.hero-accent { color: hsl(var(--hue), 80%, 72%); }

.hero-sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.82);
  line-height: 1.7;
  max-width: 580px;
  margin: 0 auto 2rem;
}



/* ================================================ */
/* ================= LAYOUT GRID ================= */
/* ================================================ */
.tec-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 2rem 1.2rem;
  max-width: 1500px;
  margin: 0 auto;
}

/* ================================================ */
/* ================= SERVICIOS =================== */
/* ================================================ */
.tec-servicios { width: 100%; }

.servicios-header { margin-bottom: 2rem; }

.servicios-titulo {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--tec-green-dk);
  margin: 0 0 0.4rem;
  display: inline-block;
}

.servicios-titulo::after {
  content: '';
  display: block;
  width: 50px;
  height: 4px;
  background: var(--tec-green-lt);
  border-radius: 2px;
  margin-top: 0.5rem;
}

.servicios-subtitulo {
  font-size: 0.95rem;
  color: var(--tec-gray-text);
  margin: 0.9rem 0 0;
}

/* ---- GRID DE TARJETAS ---- */
.servicios-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

/* ================================================ */
/* ================= TARJETA ===================== */
/* ================================================ */
.servicio-card {
  display: flex;
  flex-direction: column;
  background: var(--tec-white);
  border: 1.5px solid var(--tec-border);
  border-radius: var(--tec-radius);
  box-shadow: var(--tec-sh-sm);
  overflow: hidden;
  transition: var(--tec-ease);
  text-align: left;
}

.servicio-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--tec-sh-md);
  border-color: var(--tec-green-lt);
}

/* Cabecera coloreada */
.sc-top {
  background: linear-gradient(
    130deg,
    hsl(var(--hue), 30%, 94%) 0%,
    hsl(var(--hue), 38%, 88%) 100%
  );
  padding: 1.1rem 1.3rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid hsl(var(--hue), 30%, 82%);
}

.servicio-card.destacado .sc-top {
  background: linear-gradient(
    130deg,
    hsl(var(--hue), 52%, 20%) 0%,
    hsl(var(--hue), 48%, 30%) 100%
  );
  border-bottom-color: rgba(255,255,255,0.15);
}

/* Icono */
.sc-icono {
  font-size: 2rem;
  line-height: 1;
  width: 52px;
  height: 52px;
  background: var(--tec-white);
  border-radius: var(--tec-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  flex-shrink: 0;
}

/* Tag */
.sc-tag {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--tec-green-dk);
  background: rgba(255,255,255,0.75);
  border: 1px solid hsl(var(--hue), 38%, 72%);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  white-space: nowrap;
}

.sc-nuevo {
  color: #00600f;
  background: #b9f6ca;
  border-color: #00e676;
}

.servicio-card.destacado .sc-tag {
  color: var(--tec-green-lt);
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.3);
}

.servicio-card.destacado .sc-nuevo {
  color: #fff;
  background: rgba(105,240,174,0.25);
  border-color: #69f0ae;
}

/* Cuerpo */
.sc-body {
  padding: 1.2rem 1.3rem 1.4rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.sc-body strong {
  display: block;
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--tec-green-dk);
  margin-bottom: 0.45rem;
  line-height: 1.35;
}

.sc-body p {
  font-size: 0.875rem;
  color: var(--tec-gray-text);
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

/* ================================================ */
/* ==================== CTA ====================== */
/* ================================================ */
.tec-cta {
  margin-top: 2rem;
  background: linear-gradient(
    135deg,
    hsl(var(--hue), 52%, 18%) 0%,
    hsl(var(--hue), 50%, 32%) 100%
  );
  border-radius: var(--tec-radius);
  padding: 1.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  box-shadow: var(--tec-sh-md);
}

.cta-texto h3 {
  margin: 0 0 0.3rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.cta-texto p {
  margin: 0;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.8);
}

.cta-btn {
  display: inline-block;
  background: var(--tec-white);
  color: var(--tec-green-dk);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.8rem 1.75rem;
  border-radius: 50px;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: var(--tec-ease);
  box-shadow: 0 3px 14px rgba(0,0,0,0.15);
}

.cta-btn:hover {
  background: #b9f6ca;
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(0,0,0,0.2);
}

/* ================================================ */
/* ================= SIDEBAR ===================== */
/* ================================================ */
.tec-sidebar { width: 100%; }

/* ================================================ */
/* ================ SNAKE CARD ================== */
/* ================================================ */
.snake-card {
  background: var(--tec-white);
  border: 1.5px solid var(--tec-border);
  border-radius: var(--tec-radius);
  box-shadow: var(--tec-sh-md);
  padding: 1.5rem;
  text-align: center;
  max-width: 370px;
  margin: 0 auto;
}

.snake-header { margin-bottom: 0.9rem; }

.snake-card h3 {
  margin: 0 0 0.25rem;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--tec-green-dk);
}

.snake-desc {
  font-size: 0.82rem;
  color: var(--tec-gray-text);
  margin: 0;
}

.canvas-container {
  display: inline-block;
  border: 3px solid var(--tec-green);
  border-radius: var(--tec-radius-sm);
  overflow: hidden;
  box-shadow: 0 0 0 5px rgba(46,125,50,0.1);
  touch-action: none;
  margin-bottom: 0.75rem;
}

canvas {
  display: block;
  background: #e8f5e9;
  width: 300px;
  height: 300px;
}

#score {
  font-size: 1rem;
  font-weight: 700;
  color: var(--tec-green-dk);
  background: var(--tec-green-pale);
  border-radius: 50px;
  padding: 0.3rem 1.1rem;
  display: inline-block;
  margin: 0.4rem 0 0.3rem;
}

.touch-instruction {
  font-size: 0.8rem;
  color: var(--tec-gray-text);
  font-style: italic;
  margin: 0.4rem 0 0.1rem;
  display: none;
}

.snake-keys {
  font-size: 0.76rem;
  color: var(--tec-gray-text);
  opacity: 0.65;
  margin-bottom: 0.4rem;
}

.snake-buttons {
  display: none;
  gap: 0.7rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.snake-buttons button {
  flex: 1;
  min-width: 100px;
  max-width: 145px;
  padding: 0.65rem 1rem;
  background: var(--tec-green);
  color: #fff;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 700;
  transition: var(--tec-ease);
  box-shadow: var(--tec-sh-sm);
}

.snake-buttons button:hover {
  background: var(--tec-green-dk);
  transform: translateY(-2px);
  box-shadow: var(--tec-sh-md);
}

.snake-buttons button:active { transform: translateY(0); }

/* ================================================ */
/* ================ RESPONSIVE ================== */
/* ================================================ */

/* Tablet 768px+ — layout horizontal, cards 1 col */
@media (min-width: 768px) {
  .tec-hero { padding: 5rem 3rem 4rem; }
  .tec-hero h1 { font-size: 2.9rem; }

  .tec-layout {
    grid-template-columns: 1fr 340px;
    gap: 2.5rem;
    padding: 2.5rem 2rem;
    align-items: start;
  }

  .tec-sidebar {
    position: sticky;
    top: 80px;
  }

  .snake-card { max-width: 100%; margin: 0; }
  canvas { width: 280px; height: 280px; }
  .tec-cta { flex-wrap: nowrap; }
}

/* Desktop 1024px+ — cards 2 columnas */
@media (min-width: 1024px) {
  .tec-hero h1 { font-size: 3.3rem; }

  .tec-layout {
    grid-template-columns: 1fr 370px;
    gap: 3rem;
    padding: 3rem;
  }

  .servicios-grid {
    grid-template-columns: 1fr 1fr;
  }

  canvas { width: 300px; height: 300px; }
}

/* Wide 1280px+ */
@media (min-width: 1280px) {
  .tec-layout {
    grid-template-columns: 1fr 400px;
    gap: 3.5rem;
    padding: 3rem 3.5rem;
  }

  canvas { width: 328px; height: 328px; }
}

/* Ultra 1440px+ */
@media (min-width: 1440px) {
  .tec-layout {
    grid-template-columns: 1fr 430px;
    gap: 4rem;
    padding: 3.5rem 5rem;
    max-width: 1700px;
  }

  canvas { width: 356px; height: 356px; }
}

/* Mobile 480px- */
@media (max-width: 480px) {
  .tec-hero { padding: 2.5rem 1.2rem 2rem; }
  .tec-hero h1 { font-size: 1.7rem; }
  .hero-sub { font-size: 0.92rem; }
  .tec-layout { padding: 1.2rem; gap: 1.5rem; }

  .sc-top { padding: 0.9rem 1rem; }
  .sc-icono { width: 44px; height: 44px; font-size: 1.7rem; }
  .sc-body { padding: 1rem; }

  .tec-cta { padding: 1.3rem; text-align: center; justify-content: center; }
  .cta-btn { width: 100%; margin-top: 0.5rem; text-align: center; }

  canvas { width: 260px; height: 260px; }
  .snake-card { padding: 1.1rem; }
}

/* Touch devices */
@media (hover: none) {
  .touch-instruction { display: block; }
  .snake-keys { display: none; }
  .servicio-card:hover { transform: none; box-shadow: var(--tec-sh-sm); border-color: var(--tec-border); }
}

/* ================================================ */
/* ================= ANIMACIONES ================ */
/* ================================================ */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.tec-hero-content { animation: fadeSlideUp 0.55s ease-out forwards; }
.servicios-header  { animation: fadeSlideUp 0.45s ease-out 0.1s both; }
.tec-cta           { animation: fadeSlideUp 0.45s ease-out 0.35s both; }
.snake-card        { animation: fadeSlideUp 0.5s ease-out 0.15s both; }

.servicio-card { animation: fadeSlideUp 0.4s ease-out both; }
.servicio-card:nth-child(1) { animation-delay: 0.08s; }
.servicio-card:nth-child(2) { animation-delay: 0.14s; }
.servicio-card:nth-child(3) { animation-delay: 0.20s; }
.servicio-card:nth-child(4) { animation-delay: 0.26s; }
.servicio-card:nth-child(5) { animation-delay: 0.32s; }
.servicio-card:nth-child(6) { animation-delay: 0.38s; }
.servicio-card:nth-child(7) { animation-delay: 0.44s; }
.servicio-card:nth-child(8) { animation-delay: 0.50s; }