/* ============================================================
   LANDING PAGE — hero, about, skills, experience, hackathons
============================================================ */

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Animated grid background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(71,19,150,.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(71,19,150,.18) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, black 30%, transparent 80%);
  animation: gridDrift 20s linear infinite;
}

@keyframes gridDrift {
  0%   { background-position: 0 0; }
  100% { background-position: 64px 64px; }
}

/* Purple glow orb */
.hero-glow {
  position: absolute;
  top: -10%;
  left: 40%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(71,19,150,.35) 0%, transparent 65%);
  pointer-events: none;
  animation: orbPulse 6s ease-in-out infinite alternate;
}

@keyframes orbPulse {
  0%   { opacity: .6; transform: scale(1); }
  100% { opacity: 1;  transform: scale(1.08); }
}

/* Secondary green accent glow */
.hero-glow-accent {
  position: absolute;
  bottom: 20%;
  right: 5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0,213,39,.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 80px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-s);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--lime-green);
  letter-spacing: 1.5px;
  margin-bottom: var(--space-l);
  text-transform: uppercase;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--lime-green);
}

.hero-name {
  font-family: var(--font-primary);
  font-weight: 800;
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  color: var(--white);
  line-height: 1.00;
  letter-spacing: -3px;
  margin-bottom: var(--space-m);
}
.hero-name .name-accent {
  background: linear-gradient(135deg, var(--lime-green) 0%, #00e83a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title {
  font-family: var(--font-primary);
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  color: var(--dim);
  font-weight: 400;
  margin-bottom: var(--space-l);
  letter-spacing: 0.3px;
}
.hero-title .sep {
  color: var(--indigo);
  margin: 0 var(--space-s);
}

.hero-tagline {
  font-size: 1.05rem;
  color: var(--light-gray);
  max-width: 560px;
  margin-bottom: var(--space-xl);
  line-height: 1.85;
  border-left: 2px solid rgba(71,19,150,.8);
  padding-left: var(--space-m);
}

.hero-actions {
  display: flex;
  gap: var(--space-m);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: var(--space-m);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--dim);
}
.hero-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.hero-meta-dot {
  width: 5px;
  height: 5px;
  background: var(--lime-green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--lime-green);
  animation: blink 2.5s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: .3; }
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  animation: scrollBounce 2.2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(-8px); }
}
.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 1.5px solid var(--dim);
  border-bottom: 1.5px solid var(--dim);
  transform: rotate(45deg);
  margin-top: var(--space-xs);
}

/* Hero entrance animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-eyebrow  { animation: fadeInUp .6s ease both; }
.hero-name     { animation: fadeInUp .6s ease .10s both; }
.hero-title    { animation: fadeInUp .6s ease .20s both; }
.hero-tagline  { animation: fadeInUp .6s ease .30s both; }
.hero-actions  { animation: fadeInUp .6s ease .40s both; }
.hero-meta     { animation: fadeInUp .6s ease .50s both; }


/* ── Sobre mí ── */
.about {
  background: rgba(71,19,150,.05);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-xxl);
  align-items: start;
}

.about-text p {
  color: var(--light-gray);
  line-height: 1.9;
  margin-bottom: var(--space-m);
  font-size: 1rem;
}
.about-text strong { color: var(--white); }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-m);
  margin-top: var(--space-s);
}

.stat-card {
  padding: var(--space-l);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-md);
  text-align: center;
  box-shadow: var(--shadow-1);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-2);
  border-color: rgba(71,19,150,.6);
}
.stat-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 500;
  color: var(--lime-green);
  margin-bottom: var(--space-xs);
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--dim);
  line-height: 1.3;
}


/* ── Habilidades ── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-m);
}

.skill-group {
  padding: var(--space-l);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-1);
  transition: border-color 0.25s, transform 0.25s;
}
.skill-group:hover {
  border-color: rgba(71,19,150,.65);
  transform: translateY(-3px);
}

.skill-group-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--lime-green);
  text-transform: uppercase;
  letter-spacing: 1.8px;
  margin-bottom: var(--space-m);
  display: flex;
  align-items: center;
  gap: var(--space-s);
}
.skill-group-label::before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--lime-green);
  border-radius: 50%;
  box-shadow: 0 0 5px var(--lime-green);
}

.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-s);
}


/* ── Experiencia / Timeline ── */
.experience {
  background: rgba(71,19,150,.05);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.timeline {
  position: relative;
  padding-left: 36px;
  max-width: 760px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 40px;
  width: 1px;
  background: linear-gradient(to bottom, var(--indigo) 0%, transparent 100%);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-xxl);
}
.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -32px;
  top: 7px;
  width: 9px;
  height: 9px;
  background: var(--lime-green);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(0,213,39,.20), 0 0 12px rgba(0,213,39,.30);
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--dim);
  letter-spacing: 0.5px;
  margin-bottom: var(--space-s);
}

.timeline-role {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 4px;
}

.timeline-company {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--lime-green);
  margin-bottom: 2px;
}

.timeline-location {
  font-size: 0.82rem;
  color: var(--dim);
  margin-bottom: var(--space-m);
}

.timeline-body ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
}
.timeline-body li {
  display: flex;
  gap: var(--space-s);
  color: var(--light-gray);
  font-size: 0.93rem;
  line-height: 1.65;
}
.timeline-body li::before {
  content: '→';
  color: var(--indigo);
  flex-shrink: 0;
  font-weight: 700;
  margin-top: 1px;
}


/* ── Hackathons ── */
.hackathons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-l);
}

.hackathon-card {
  position: relative;
  padding: var(--space-xl);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.hackathon-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--indigo), var(--lime-green));
  opacity: 0;
  transition: opacity 0.3s;
}
.hackathon-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-2);
  border-color: rgba(71,19,150,.55);
}
.hackathon-card:hover::before { opacity: 1; }

.hackathon-event {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--amber);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: var(--space-s);
}

.hackathon-title {
  font-weight: 800;
  font-size: 1.18rem;
  color: var(--white);
  margin-bottom: 4px;
}

.hackathon-role {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--lime-green);
  margin-bottom: var(--space-m);
}

.hackathon-desc {
  color: var(--light-gray);
  font-size: 0.9rem;
  line-height: 1.75;
  margin-bottom: var(--space-m);
}

.hackathon-stack { display: flex; flex-wrap: wrap; gap: var(--space-s); }


/* ── Responsive ── */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .about-stats { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 640px) {
  .hero-name { letter-spacing: -2px; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .hackathons-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
}