*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #04111f;
  --surface:   #071828;
  --surface2:  #0b2035;
  --border:    #142d45;
  --accent:    #38bdf8;
  --accent2:   #0ea5e9;
  --glow:      rgba(56,189,248,0.15);
  --text:      #e0eaf4;
  --muted:     #6b8aaa;
  --heading:   #f0f8ff;
  --tag-bg:    rgba(56,189,248,0.08);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Manrope', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── BACKGROUND GRID ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(56,189,248,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 5vw;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(4,17,31,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--heading);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.2s;
}

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

/* ── SECTIONS ── */
section {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  padding: 6rem 5vw;
}

/* ── HERO ── */
#hero {
  min-height: 100vh;
  max-width: 100%;
  padding: 0 5vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.hero-inner {
  max-width: 1000px;
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--tag-bg);
  border: 1px solid rgba(56,189,248,0.2);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.2s forwards;
}

.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-name {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  color: var(--heading);
  line-height: 1.05;
  letter-spacing: -0.02em;
  opacity: 0;
  animation: fadeUp 0.7s 0.35s forwards;
}

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

.hero-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: var(--muted);
  margin-top: 0.75rem;
  letter-spacing: 0.01em;
  opacity: 0;
  animation: fadeUp 0.7s 0.5s forwards;
}

.hero-desc {
  max-width: 580px;
  margin-top: 1.75rem;
  color: var(--muted);
  font-weight: 400;
  font-size: 1rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.65s forwards;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.7s 0.8s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: #04111f;
  border: none;
}

.btn-primary:hover {
  background: #7dd3fc;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(56,189,248,0.25);
}

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

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
  opacity: 0;
  animation: fadeUp 0.7s 0.95s forwards;
}

.stat-value {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--heading);
}

.stat-value span { color: var(--accent); }

.stat-label {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-top: 0.2rem;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── SECTION HEADER ── */
.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--heading);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-divider {
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin-bottom: 3rem;
}

/* ── ABOUT ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-text p {
  color: var(--muted);
  margin-bottom: 1rem;
}

.about-text p strong {
  color: var(--text);
}

.about-certs {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cert-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: border-color 0.2s, transform 0.2s;
}

.cert-card:hover {
  border-color: var(--accent);
  transform: translateX(4px);
}

.cert-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.cert-name {
  font-weight: 600;
  color: var(--heading);
  font-size: 0.9rem;
}

.cert-issuer {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

/* ── EXPERIENCE TIMELINE ── */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 8px; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.5s, transform 0.5s;
}

.timeline-item.visible {
  opacity: 1;
  transform: translateX(0);
}

.timeline-dot {
  position: absolute;
  left: -2.35rem;
  top: 6px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(56,189,248,0.15);
}

.job-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.job-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  color: var(--heading);
  font-size: 1rem;
}

.job-company {
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 600;
  margin-top: 0.2rem;
}

.job-date {
  font-size: 0.78rem;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.2rem 0.7rem;
  border-radius: 100px;
  white-space: nowrap;
  flex-shrink: 0;
}

.job-bullets {
  list-style: none;
  margin-top: 1rem;
}

.job-bullets li {
  color: var(--muted);
  font-size: 0.9rem;
  padding-left: 1.2rem;
  position: relative;
  margin-bottom: 0.45rem;
}

.job-bullets li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ── SKILLS ── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.2rem;
  margin-bottom: 3.5rem;
}

.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.4rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.skill-card:hover {
  border-color: rgba(56,189,248,0.4);
  box-shadow: 0 0 20px var(--glow);
}

.skill-card-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--heading);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-icon { font-size: 1rem; }

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

.tag {
  background: var(--tag-bg);
  border: 1px solid rgba(56,189,248,0.12);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 100px;
}

/* ── HOMELAB ── */
.homelab-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
}

.homelab-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  color: var(--heading);
  font-size: 1rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.homelab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}

.homelab-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.1rem;
  transition: border-color 0.2s;
}

.homelab-item:hover { border-color: rgba(56,189,248,0.3); }

.homelab-item-name {
  font-weight: 600;
  color: var(--text);
  font-size: 0.85rem;
}

.homelab-item-desc {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

/* ── CASE STUDIES ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.4rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.8rem;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: rgba(56,189,248,0.35);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}

.project-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.project-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  color: var(--heading);
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.project-desc {
  font-size: 0.87rem;
  color: var(--muted);
  flex: 1;
  line-height: 1.65;
}

.project-footer {
  margin-top: 1.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* ── CONTACT ── */
#contact {
  max-width: 100%;
  padding: 6rem 5vw;
}

.contact-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s;
  margin-bottom: 0.75rem;
}

.contact-item:hover {
  border-color: var(--accent);
  transform: translateX(4px);
}

.contact-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.contact-value {
  color: var(--text);
  font-weight: 500;
  font-size: 0.9rem;
}

.contact-note {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 1.5rem;
}

.contact-note p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.contact-note strong { color: var(--text); }

/* ── FOOTER ── */
footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.78rem;
}

footer span { color: var(--accent); }

/* ── RESPONSIVE ── */
@media (max-width: 700px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 1.5rem; }
  .nav-links { display: none; }
}

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}