/* ═══════════════════════════════════════════════
   DAVID CAMPMAN — Portfolio Theme
   Palette: Deep navy + electric cyan accent
═══════════════════════════════════════════════ */

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

:root {
  --bg:          #050b15;
  --bg2:         #080f1e;
  --surface:     #0d1829;
  --surface2:    #111f35;
  --border:      rgba(0, 212, 255, 0.12);
  --accent:      #00d4ff;
  --accent-dim:  rgba(0, 212, 255, 0.15);
  --accent-glow: rgba(0, 212, 255, 0.3);
  --text:        #e8edf5;
  --text-muted:  #7a8fa8;
  --text-dim:    #4a5f78;
  --font-sans:   'Inter', system-ui, sans-serif;
  --font-mono:   'JetBrains Mono', 'Fira Code', monospace;
  --radius:      12px;
  --radius-sm:   8px;
  --nav-h:       68px;
}

html { scroll-behavior: smooth; font-size: 16px; }

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

/* ─── Canvas bg ─── */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.75;
}

main { position: relative; z-index: 1; }
footer { position: relative; z-index: 1; }

/* ─── Typography ─── */
h1, h2, h3 { line-height: 1.2; font-weight: 700; letter-spacing: -0.02em; }
p { color: var(--text-muted); }
a { color: inherit; text-decoration: none; }

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

.terminal-prefix {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.85em;
  opacity: 0.7;
  margin-right: 6px;
}

/* ─── Navigation ─── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.3s, border-bottom 0.3s;
}

#navbar.scrolled {
  background: rgba(5, 11, 21, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 100%;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--text);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 36px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
  letter-spacing: 0.02em;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Mobile menu ─── */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(5, 11, 21, 0.97);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.mobile-menu.open { opacity: 1; pointer-events: all; }

.mobile-menu ul {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.mobile-menu a {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

/* ─── Section common ─── */
section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  width: 100%;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
  opacity: 0.8;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 48px;
  color: var(--text);
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  background: #33ddff;
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-1px);
}

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

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ─── Hero ─── */
#hero {
  min-height: 100vh;
  padding-top: var(--nav-h);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.hero-name {
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 700;
  line-height: 1.0;
  margin-bottom: 20px;
  letter-spacing: -0.04em;
  color: var(--text);
}

.hero-title {
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 16px;
  letter-spacing: 0.01em;
}

.hero-sub {
  font-size: 1rem;
  color: var(--text-dim);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.hero-location {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 40px;
  font-family: var(--font-mono);
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ─── Hero Badge ─── */
.hero-badge {
  position: absolute;
  right: 10%;
  top: 50%;
  transform: translateY(-50%);
}

.badge-ring {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: conic-gradient(var(--accent) 0%, var(--accent-dim) 60%, transparent 100%);
  padding: 2px;
  animation: spin 8s linear infinite;
}

.badge-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  animation: spin-reverse 8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes spin-reverse { to { transform: rotate(-360deg); } }

.badge-num {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
  font-family: var(--font-mono);
}

.badge-plus {
  color: var(--accent);
  font-size: 1.8rem;
}

.badge-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.4;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 4px;
}

/* ─── Scroll Indicator ─── */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scroll-pulse 1.8s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); transform-origin: top; }
}

/* ─── About ─── */
#about { background: var(--bg2); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-text p {
  margin-bottom: 20px;
  font-size: 1rem;
  line-height: 1.8;
}

.compliance-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--accent);
  background: var(--accent-dim);
  letter-spacing: 0.05em;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.stat-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 24px var(--accent-dim);
}

.stat-num {
  font-size: 2.4rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text);
  line-height: 1;
}

.stat-desc {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.4;
}

/* ─── Expertise ─── */
#expertise { background: var(--bg); }

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.expertise-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}

.expertise-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.expertise-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.expertise-card:hover::before { opacity: 1; }

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
  border: 1px solid var(--border);
}

.expertise-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}

.expertise-card p {
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.skill-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.skill-list li {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  opacity: 0.7;
  padding-left: 14px;
  position: relative;
}

.skill-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ─── Projects ─── */
#projects { background: var(--bg2); }

.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}

.project-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.project-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
}

.project-card:hover::after { opacity: 1; }

.project-card.featured {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface2) 100%);
  border-color: rgba(0, 212, 255, 0.2);
}

.project-card.featured:hover { border-color: var(--accent); }

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.project-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  opacity: 0.5;
  letter-spacing: 0.1em;
}

.project-links { color: var(--text-dim); transition: color 0.2s; }
.project-card:hover .project-links { color: var(--accent); }

.project-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.3;
}

.featured .project-title { font-size: 1.5rem; }

.project-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-tags span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 4px;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  color: var(--accent);
  letter-spacing: 0.03em;
}

/* ─── Blog ─── */
#blog { background: var(--bg); }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}

.blog-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.blog-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.blog-card:hover::before { opacity: 1; }

.blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.blog-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  opacity: 0.6;
  letter-spacing: 0.06em;
}

.blog-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  flex: 1;
}

.blog-excerpt {
  font-size: 0.855rem;
  line-height: 1.7;
  flex: 1;
}

.blog-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 4px;
}

.blog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.blog-tags span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  color: var(--accent);
  letter-spacing: 0.03em;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dim);
  white-space: nowrap;
  transition: color 0.2s, gap 0.2s;
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.blog-card:hover .blog-read-more {
  color: var(--accent);
  gap: 8px;
}

/* ─── Contact ─── */
#contact { background: var(--bg); min-height: auto; padding: 120px 0 80px; }

.contact-inner { text-align: center; }

.contact-sub {
  font-size: 1.05rem;
  max-width: 540px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.contact-cards {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 32px;
  min-width: 340px;
  transition: border-color 0.25s, transform 0.2s, box-shadow 0.25s;
}

.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.1);
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-dim);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  text-align: left;
}

.contact-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-mono);
}

.contact-value {
  font-size: 0.875rem;
  color: var(--text);
  font-weight: 500;
}

.arrow-icon {
  color: var(--text-dim);
  transition: color 0.2s, transform 0.2s;
  flex-shrink: 0;
}

.contact-card:hover .arrow-icon {
  color: var(--accent);
  transform: translateX(4px);
}

/* ─── Footer ─── */
footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 28px 32px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
}

.footer-copy, .footer-loc {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* ─── Scroll reveal ─── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .hero-badge { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .expertise-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; }
  .blog-grid { grid-template-columns: 1fr; }
  /* Tighten nav so all links fit on tablet */
  .nav-inner { padding: 0 20px; }
  .nav-links { gap: 16px; }
  .nav-links a { font-size: 0.8rem; }
}

@media (max-width: 700px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
}

@media (max-width: 640px) {
  :root { --nav-h: 60px; }
  section { padding: 80px 0; }
  .section-inner { padding: 0 20px; }
  .expertise-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .contact-card { min-width: 0; width: 100%; }
  .about-stats { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; gap: 8px; }
}

/* ─── Cursor glow effect ─── */
.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.04) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  transition: left 0.1s ease, top 0.1s ease;
}