/* ══════════════════════════════════════════════════════════════
   PIERO LODATO PORTFOLIO — Hacker / Terminal Theme
   ══════════════════════════════════════════════════════════════ */

/* ── TOKENS ── */
:root {
  --bg:           #0a0a0a;
  --bg-alt:       #0d0d0d;
  --surface:      #111111;
  --surface2:     #161616;
  --border:       #1a1a1a;
  --border-glow:  rgba(0, 255, 65, 0.25);
  --green:        #00ff41;
  --green-dim:    #00cc34;
  --green-dark:   rgba(0, 255, 65, 0.08);
  --text:         #d0d0d0;
  --text-dim:     #666;
  --text-bright:  #f0f0f0;
  --red:          #ff4444;
  --yellow:       #ffd700;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;
  --font-sans:    'Inter', sans-serif;
  --nav-h:        60px;
  --radius:       6px;
  --transition:   0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { color: #fff; }

/* ── MATRIX CANVAS ── */
#matrix-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  opacity: 0.04;
  pointer-events: none;
}

/* ── CONTAINER ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

/* ══════════════════════════════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════════════════════════════ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: border-color var(--transition), box-shadow var(--transition);
}
#navbar.scrolled {
  border-bottom-color: var(--border-glow);
  box-shadow: 0 1px 20px rgba(0, 255, 65, 0.1);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-prompt {
  font-size: 0.85rem;
  color: var(--text-dim);
  white-space: nowrap;
}
.nav-prompt .accent { color: var(--green); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  margin-left: auto;
}
.nav-links a {
  font-size: 0.8rem;
  color: var(--text-dim);
  position: relative;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--green);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--green); }
.nav-links a:hover::after { width: 100%; }

.nav-status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: 1.5rem;
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
}
.status-text { font-size: 0.75rem; color: var(--green); }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,255,65,0.6); }
  50%       { box-shadow: 0 0 0 5px rgba(0,255,65,0); }
}

/* ══════════════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════════════ */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: calc(var(--nav-h) + 4rem) 10vw 4rem;
  position: relative;
  z-index: 1;
}

.hero-greeting {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
  animation: fadeInUp 0.6s ease both;
}

.terminal-line {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  animation: fadeInUp 0.7s ease both;
}
.prompt-sign { color: var(--green); font-size: 1.5rem; }

.hero-name {
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 700;
  color: var(--green);
  text-shadow: 0 0 30px rgba(0,255,65,0.4);
  letter-spacing: -1px;
}

.cursor {
  color: var(--green);
  font-size: clamp(2rem, 5vw, 3.8rem);
  animation: blink 1s step-end infinite;
  line-height: 1;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-subtitle {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--text-dim);
  margin-bottom: 2rem;
  min-height: 1.5em;
  animation: fadeInUp 0.8s ease both;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.9s ease both;
}
.tag {
  font-size: 0.75rem;
  color: var(--green-dim);
  border: 1px solid var(--border-glow);
  padding: 0.25rem 0.75rem;
  border-radius: 2px;
  background: var(--green-dark);
  transition: all var(--transition);
}
.tag:hover {
  border-color: var(--green);
  color: var(--green);
  box-shadow: 0 0 10px rgba(0,255,65,0.2);
}

/* ── BUTTONS ── */
.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  animation: fadeInUp 1s ease both;
}

.btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.05);
  opacity: 0;
  transition: opacity var(--transition);
}
.btn:hover::before { opacity: 1; }

.btn-primary {
  background: var(--green);
  color: #000;
  font-weight: 700;
  box-shadow: 0 0 20px rgba(0,255,65,0.3);
}
.btn-primary:hover {
  color: #000;
  box-shadow: 0 0 35px rgba(0,255,65,0.5);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--border-glow);
}
.btn-secondary:hover {
  border-color: var(--green);
  box-shadow: 0 0 20px rgba(0,255,65,0.15);
  transform: translateY(-2px);
  color: var(--green);
}

/* ── STATS ── */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  animation: fadeInUp 1.1s ease both;
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
}
.stat-label { font-size: 0.65rem; color: var(--text-dim); }
.stat-divider { font-size: 1.5rem; color: var(--border); }
.accent { color: var(--green); }

/* ── SCROLL INDICATOR ── */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-dim);
  font-size: 0.7rem;
  animation: fadeInUp 1.5s ease both;
}
.scroll-arrow {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--green), transparent);
  animation: scrollPulse 1.5s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50%       { opacity: 0.4; transform: scaleY(0.6); }
}

/* ══════════════════════════════════════════════════════════════
   SECTIONS
   ══════════════════════════════════════════════════════════════ */
.section { padding: 6rem 0; position: relative; z-index: 1; }
.section-alt { background: var(--bg-alt); }

.section-header {
  margin-bottom: 3rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.section-cmd {
  font-size: 0.75rem;
  color: var(--text-dim);
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--text-bright);
  font-weight: 600;
  position: relative;
  padding-left: 1rem;
}
.section-title::before {
  content: '';
  position: absolute;
  left: 0; top: 10%; bottom: 10%;
  width: 3px;
  background: var(--green);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(0,255,65,0.6);
}

/* ══════════════════════════════════════════════════════════════
   TERMINAL WINDOW (Sobre mí)
   ══════════════════════════════════════════════════════════════ */
.terminal-window {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.terminal-window:hover {
  border-color: var(--border-glow);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 30px rgba(0,255,65,0.05);
}

.terminal-topbar {
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green  { background: #28c840; }
.terminal-title {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-left: 0.5rem;
}

.terminal-body {
  padding: 1.5rem 2rem;
  font-size: 0.85rem;
  line-height: 2;
}
.term-line { white-space: pre-wrap; }
.term-line.indent { padding-left: 2rem; }
.kw  { color: #569cd6; }
.str { color: #ce9178; }
.comment { color: var(--text-dim); font-style: italic; }

/* ══════════════════════════════════════════════════════════════
   SKILLS
   ══════════════════════════════════════════════════════════════ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.skill-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(0,255,65,0.08);
}
.skill-card:hover::before { opacity: 1; }

.skill-icon { font-size: 1.8rem; margin-bottom: 0.5rem; }
.skill-name { font-size: 1rem; color: var(--text-bright); margin-bottom: 1rem; }

.skill-bar-wrap {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  margin-bottom: 1rem;
  overflow: hidden;
}
.skill-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--green-dim), var(--green));
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(0,255,65,0.5);
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.skill-tags li {
  font-size: 0.7rem;
  color: var(--text-dim);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
}

/* ══════════════════════════════════════════════════════════════
   CERTIFICATIONS
   ══════════════════════════════════════════════════════════════ */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 1.5rem;
}

.cert-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.cert-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,255,65,0.03), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.cert-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-3px);
  box-shadow: 0 10px 40px rgba(0,255,65,0.08);
}
.cert-card:hover::after { opacity: 1; }

.cert-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  min-width: 56px;
  padding: 0.75rem 0.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.cert-badge.cisco   { background: rgba(0, 120, 212, 0.1); border-color: rgba(0,120,212,0.3); }
.cert-badge.mikrotik{ background: rgba(220, 50, 50, 0.1);  border-color: rgba(220,50,50,0.3); }

.cert-badge-icon  { font-size: 1.4rem; }
.cert-badge-label { font-size: 0.55rem; font-weight: 700; color: var(--text-dim); letter-spacing: 1px; }

.cert-info { flex: 1; }

.cert-name {
  font-size: 1rem;
  color: var(--text-bright);
  font-weight: 600;
  margin-bottom: 0.15rem;
}
.cert-full {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
  font-family: var(--font-sans);
}
.cert-issuer {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}
.cert-issuer span { color: var(--green-dim); }

.cert-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.cert-tags span {
  font-size: 0.65rem;
  color: var(--text-dim);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
}

.cert-verified {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.6rem;
  color: var(--green);
  flex-shrink: 0;
}
.cert-check {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--green-dark);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

/* ══════════════════════════════════════════════════════════════
   EXPERIENCE
   ══════════════════════════════════════════════════════════════ */
.experience-list { display: flex; flex-direction: column; gap: 2rem; }

.exp-card {
  display: flex;
  gap: 1.5rem;
}

.exp-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.exp-logo {
  width: 48px; height: 48px;
  background: var(--green-dark);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 1px;
  flex-shrink: 0;
}

.exp-line {
  width: 1px;
  flex: 1;
  background: linear-gradient(to bottom, var(--border-glow), transparent);
  margin-top: 0.5rem;
  min-height: 2rem;
}

.exp-right {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all var(--transition);
}
.exp-right:hover {
  border-color: var(--border-glow);
  box-shadow: 0 8px 30px rgba(0,255,65,0.06);
}

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.25rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.exp-role {
  font-size: 1rem;
  color: var(--text-bright);
  font-weight: 600;
}

.exp-date {
  font-size: 0.72rem;
  color: var(--green);
  background: var(--green-dark);
  border: 1px solid var(--border-glow);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  white-space: nowrap;
}

.exp-company {
  font-size: 0.85rem;
  color: var(--green-dim);
  margin-bottom: 1rem;
}

.exp-duties {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}
.exp-duties li {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--font-sans);
  padding-left: 0.5rem;
  line-height: 1.6;
}

.exp-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.exp-stack span {
  font-size: 0.7rem;
  color: var(--green-dim);
  border: 1px solid var(--border-glow);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  background: var(--green-dark);
}

/* ══════════════════════════════════════════════════════════════
   PROJECTS
   ══════════════════════════════════════════════════════════════ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: all var(--transition);
  cursor: default;
}
.project-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 15px 50px rgba(0,0,0,0.4), 0 0 25px rgba(0,255,65,0.06);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.project-id { font-size: 0.7rem; color: var(--text-dim); }
.project-status { font-size: 0.7rem; }
.project-status.online   { color: var(--green); }
.project-status.completed { color: var(--yellow); }

.project-title {
  font-size: 1.1rem;
  color: var(--text-bright);
  margin-bottom: 0.75rem;
}
.project-desc {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 1.25rem;
  font-family: var(--font-sans);
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.project-stack span {
  font-size: 0.7rem;
  color: var(--green-dim);
  border: 1px solid var(--border-glow);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  background: var(--green-dark);
}

/* ══════════════════════════════════════════════════════════════
   CONTACT
   ══════════════════════════════════════════════════════════════ */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.contact-lead {
  font-size: 1rem;
  color: var(--text-bright);
  margin-bottom: 2rem;
  font-family: var(--font-sans);
}

.contact-items { display: flex; flex-direction: column; gap: 1.2rem; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}
.contact-icon { font-size: 1.1rem; }

.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.75rem; color: var(--green); }

.form-group input,
.form-group textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--border-glow);
  box-shadow: 0 0 15px rgba(0,255,65,0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }

.form-note { font-size: 0.8rem; color: var(--green); min-height: 1.2em; }

/* ══════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════ */
#footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
  position: relative;
  z-index: 1;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.footer-prompt { font-size: 0.8rem; color: var(--text-dim); }
.footer-copy   { font-size: 0.75rem; color: var(--text-dim); }

/* ══════════════════════════════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════════════════════════════ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  #hero { padding: calc(var(--nav-h) + 2rem) 1.5rem 2rem; }
  .hero-stats { flex-wrap: wrap; gap: 1rem; }
  .hero-actions { flex-direction: column; }
  .nav-links { display: none; }
  .contact-wrap { grid-template-columns: 1fr; gap: 2rem; }
  .terminal-body { padding: 1rem; font-size: 0.75rem; }
}