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

:root {
  --bg: #0a0a0c;
  --bg-card: #111114;
  --bg-card-hover: #18181c;
  --surface: #1a1a1f;
  --border: #2a2a30;
  --border-light: #3a3a42;
  --text: #e8e6e1;
  --text-muted: #8a8a8e;
  --text-dim: #5a5a60;
  --accent: #c9a84c;
  --accent-dim: rgba(201, 168, 76, 0.15);
  --accent-glow: rgba(201, 168, 76, 0.08);
  --serif: 'Instrument Serif', Georgia, serif;
  --sans: 'DM Sans', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Noise texture overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

/* ── Navigation ── */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}

nav.scrolled { border-bottom-color: var(--border); }

.nav-logo {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
}

.nav-links { display: flex; gap: 2rem; }

.nav-links a {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s;
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

/* ── Hero Section ── */
.hero {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 3rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 168, 76, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 168, 76, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%);
}

.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 900px;
  position: relative;
  z-index: 2;
}

.hero-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.2s;
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 400;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.4s;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-desc {
  font-size: 1.15rem;
  font-weight: 300;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.8;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.6s;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  margin-top: 3rem;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.8s;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s;
}

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

.btn-primary:hover {
  background: #d4b35a;
  border-color: #d4b35a;
  box-shadow: 0 0 30px rgba(201, 168, 76, 0.2);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}

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

/* ── Section Base ── */
section {
  padding: 7rem 3rem;
  position: relative;
}

.section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 400;
  margin-bottom: 1.5rem;
}

.section-divider {
  width: 60px;
  height: 1px;
  background: var(--accent);
  margin-bottom: 3rem;
}

/* ── About ── */
.about-content {
  max-width: 720px;
}

.about-content p {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 1.5rem;
}

.about-content strong {
  color: var(--text);
  font-weight: 500;
}

.about-stats {
  display: flex;
  gap: 3rem;
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.stat-item {}

.stat-number {
  font-family: var(--serif);
  font-size: 2.5rem;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: 0.5rem;
}

/* ── Industries ── */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.industry-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2.25rem;
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
  cursor: default;
}

.industry-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.industry-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.industry-card:hover::before { transform: scaleX(1); }

.industry-icon {
  font-size: 1.75rem;
  margin-bottom: 1.25rem;
  display: block;
}

.industry-name {
  font-family: var(--serif);
  font-size: 1.35rem;
  margin-bottom: 0.25rem;
}

.industry-org {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.industry-desc {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.7;
}

.industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.industry-tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.65rem;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 2px;
}

/* ── Technical Expertise ── */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.expertise-group h3 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.expertise-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.expertise-list li {
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--text-muted);
  padding-left: 1rem;
  position: relative;
}

.expertise-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 500;
}

/* ── Certifications ── */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.75rem;
  transition: border-color 0.3s;
}

.cert-card:hover { border-color: var(--border-light); }

.cert-status {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 1rem;
}

.cert-status.earned {
  background: rgba(76, 175, 80, 0.12);
  color: #66bb6a;
}

.cert-status.in-progress {
  background: var(--accent-dim);
  color: var(--accent);
}

.cert-status.planned {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-dim);
}

.cert-name {
  font-family: var(--serif);
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.cert-issuer {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ── Contact ── */
.contact-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.contact-inner {
  max-width: 600px;
}

.contact-inner p {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s;
}

.contact-link:hover { color: var(--accent); }

.contact-link-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  width: 70px;
}

/* ── Footer ── */
footer {
  padding: 2.5rem 3rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-text {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.footer-text a {
  color: var(--text-muted);
  text-decoration: none;
}

/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

/* ── Responsive ── */
@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { gap: 1rem; }
  .nav-links a { font-size: 0.7rem; }
  .hero { padding: 7rem 1.5rem 3rem; }
  section { padding: 4rem 1.5rem; }
  .about-stats { flex-wrap: wrap; gap: 2rem; }
  .industries-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; }
  .btn { justify-content: center; }
  footer { flex-direction: column; gap: 1rem; text-align: center; }
}

@media (max-width: 480px) {
  .nav-links { display: none; }
  .expertise-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
}