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

:root {
  --bg-primary:    #0d1117;
  --bg-secondary:  #161b22;
  --bg-card:       #21262d;
  --border:        #30363d;
  --text-primary:  #f0f6fc;
  --text-secondary:#8b949e;
  --text-muted:    #6e7681;
  --accent:        #58a6ff;
  --accent-hover:  #79bfff;
  --accent-glow:   rgba(88, 166, 255, 0.12);
  --green:         #3fb950;
  --yellow:        #d29922;
  --red:           #f85149;
  --font-mono:     'JetBrains Mono', 'Fira Code', monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover { color: var(--accent-hover); }

/* ===== LAYOUT ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section { padding: 6rem 0; }
.section-dark { background-color: var(--bg-secondary); }

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3.5rem;
}

.accent { color: var(--accent); }

/* ===== NAVBAR ===== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(14px);
}

.navbar {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand .brand-text {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.15rem;
}

.nav-links a {
  display: block;
  padding: 0.4rem 0.7rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 6px;
  transition: all 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: var(--bg-card);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.4rem 0.65rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 64px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 15% 55%, rgba(88, 166, 255, 0.07) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 85% 20%, rgba(163, 113, 247, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 2rem 2rem;
}

.hero-greeting {
  font-size: 0.95rem;
  color: var(--accent);
  font-family: var(--font-mono);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.hero-name {
  font-size: 2.9rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--accent);
  font-family: var(--font-mono);
  margin-bottom: 1.25rem;
  min-height: 1.8rem;
  font-weight: 500;
}

.cursor {
  animation: blink 1s step-end infinite;
  color: var(--accent);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.hero-description {
  color: var(--text-secondary);
  font-size: 0.975rem;
  max-width: 500px;
  margin-bottom: 2rem;
  line-height: 1.75;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.stat { display: flex; flex-direction: column; align-items: center; }

.stat-top {
  display: flex;
  align-items: baseline;
  gap: 1px;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font-mono);
  line-height: 1;
}

.stat-plus {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
}

.stat-sla {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font-mono);
  line-height: 1;
}

.stat-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #0d1117;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #0d1117;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(88, 166, 255, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent-glow);
  color: var(--accent-hover);
  transform: translateY(-1px);
}

/* ===== TERMINAL ===== */
.hero-terminal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
}

.terminal-header {
  background: var(--bg-card);
  padding: 0.7rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-dot.red    { background: var(--red); }
.terminal-dot.yellow { background: var(--yellow); }
.terminal-dot.green  { background: var(--green); }

.terminal-title {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.75;
}

.terminal-line { display: block; }
.t-spacer { height: 0.4rem; }

.t-prompt { color: var(--green); margin-right: 0.5rem; font-weight: 600; }
.t-cmd    { color: var(--text-primary); }
.t-output { color: var(--text-secondary); padding-left: 1.2rem; }
.t-success { color: var(--green); padding-left: 1.2rem; }

.cursor-term {
  color: var(--accent);
  animation: blink 1s step-end infinite;
}

/* ===== SCROLL INDICATOR ===== */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-indicator a {
  color: var(--text-muted);
  font-size: 1rem;
  display: block;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(8px); }
}

/* ===== SOBRE ===== */
.sobre-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.sobre-text p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.8;
}

.sobre-text strong { color: var(--text-primary); }

.sobre-info {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.info-item i {
  color: var(--accent);
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}

.sobre-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.highlight-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  transition: border-color 0.2s, transform 0.2s;
}

.highlight-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.highlight-card i {
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
  display: block;
}

.highlight-card h3 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.highlight-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== TIMELINE ===== */
.timeline {
  position: relative;
  padding-left: 1.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: 2.5rem;
}

.timeline-item:last-child { margin-bottom: 0; }

.timeline-marker {
  position: absolute;
  left: -2.1rem;
  top: 10px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border);
  transition: border-color 0.2s;
}

.timeline-marker.current {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(88, 166, 255, 0.18);
}

.timeline-item:hover .timeline-marker { border-color: var(--accent); }

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  transition: border-color 0.2s;
}

.timeline-content:hover { border-color: var(--accent); }

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.timeline-header h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.timeline-company {
  font-size: 0.83rem;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.timeline-period {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
  flex-shrink: 0;
}

.period-badge {
  font-size: 0.68rem;
  padding: 0.18rem 0.6rem;
  border-radius: 20px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.current-badge {
  background: rgba(63, 185, 80, 0.15);
  color: var(--green);
  border: 1px solid rgba(63, 185, 80, 0.3);
}

.period-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.timeline-bullets {
  list-style: none;
  margin-bottom: 1rem;
}

.timeline-bullets li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.4rem;
  line-height: 1.65;
}

.timeline-bullets li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
  top: 0.18rem;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.timeline-tags span {
  font-size: 0.73rem;
  padding: 0.2rem 0.6rem;
  background: rgba(88, 166, 255, 0.08);
  border: 1px solid rgba(88, 166, 255, 0.18);
  border-radius: 4px;
  color: var(--accent);
  font-family: var(--font-mono);
}

/* ===== SKILLS ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.25rem;
}

.skill-category {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.4rem;
  transition: border-color 0.2s, transform 0.2s;
}

.skill-category:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.skill-cat-header {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.skill-cat-header i {
  font-size: 1rem;
  color: var(--accent);
  width: 18px;
  text-align: center;
}

.skill-cat-header h3 {
  font-size: 0.875rem;
  font-weight: 600;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.skill-tags span {
  font-size: 0.78rem;
  padding: 0.28rem 0.65rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.skill-tags span:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== CERTIFICATIONS ===== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.cert-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  transition: border-color 0.2s, transform 0.2s;
}

.cert-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.cert-card.featured { border-color: rgba(88, 166, 255, 0.28); }

.cert-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.cert-icon.azure      { background: rgba(0, 120, 212, 0.15); color: #0078d4; }
.cert-icon.aws        { background: rgba(255, 153, 0, 0.15);  color: #ff9900; }
.cert-icon.oracle     { background: rgba(248, 81, 73, 0.15);  color: #f85149; }
.cert-icon.fullcycle  { background: rgba(88, 166, 255, 0.12); color: var(--accent); }
.cert-icon.docker     { background: rgba(29, 155, 240, 0.15); color: #1d9bf0; }
.cert-icon.prometheus { background: rgba(232, 95, 51, 0.15);  color: #e85f33; }
.cert-icon.github     { background: rgba(139, 148, 158, 0.1); color: var(--text-secondary); }

.cert-info h3 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.cert-info p {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.cert-year {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--accent);
  margin-top: 0.2rem;
  display: block;
}

/* ===== PROJECTS ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.3);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.project-icon {
  font-size: 2rem;
  color: var(--accent);
}

.project-links a {
  color: var(--text-muted);
  font-size: 1.2rem;
  transition: color 0.2s;
}

.project-links a:hover { color: var(--text-primary); }

.project-card h3 {
  font-size: 0.975rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  line-height: 1.4;
}

.project-card p {
  color: var(--text-secondary);
  font-size: 0.86rem;
  line-height: 1.7;
  flex: 1;
  margin-bottom: 1.25rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
}

.project-tags span {
  font-size: 0.73rem;
  padding: 0.2rem 0.6rem;
  background: rgba(88, 166, 255, 0.08);
  border: 1px solid rgba(88, 166, 255, 0.18);
  border-radius: 4px;
  color: var(--accent);
  font-family: var(--font-mono);
}

/* ===== CONTACT ===== */
.contact-intro {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  font-size: 1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 780px;
  margin: 0 auto;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  color: var(--text-primary);
  transition: all 0.2s;
  text-decoration: none;
}

.contact-card:hover {
  border-color: var(--accent);
  color: var(--text-primary);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
}

.contact-card i {
  font-size: 1.75rem;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-card h3 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.contact-card p {
  font-size: 0.78rem;
  color: var(--text-muted);
  word-break: break-all;
}

/* ===== FOOTER ===== */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  text-align: center;
}

.footer-brand {
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.footer-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.footer-meta {
  font-size: 0.76rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .hero-terminal {
    max-width: 480px;
    margin: 0 auto;
  }

  .hero-description { margin: 0 auto 2rem; }
  .hero-stats { justify-content: center; }
  .hero-actions { justify-content: center; }

  .sobre-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1rem;
    gap: 0.2rem;
  }

  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }

  .hero-name { font-size: 2.1rem; }
  .section-title { font-size: 1.75rem; }
  .sobre-highlights { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }

  .timeline-header { flex-direction: column; }
  .timeline-period { align-items: flex-start; }

  .certs-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.5rem; }
  .section { padding: 4rem 0; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .hero-name { font-size: 1.85rem; }
  .hero-terminal { font-size: 0.72rem; }
}