:root {
  --bg: #f9f9f6;
  --white: #ffffff;
  --green: #2d5a27;
  --green-light: #4a7c42;
  --green-dim: #eef4ed;
  --green-border: #c2d9bf;
  --text: #1a1a1a;
  --muted: #6b7c6a;
  --border: #e2e8e1;
  --surface: #f2f5f1;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Fraunces', serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.2rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(249,249,246,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'DM Mono', monospace;
  font-size: 0.85rem;
  color: var(--green);
  letter-spacing: 0.08em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo::before {
  content: '';
  display: inline-block;
  width: 7px; height: 7px;
  background: var(--green);
  border-radius: 50%;
}

.nav-links { display: flex; gap: 2.5rem; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--green); }

/* NAV TOGGLE */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--green);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 4rem 4rem;
  border-bottom: 1px solid var(--border);
  max-width: 1100px;
  margin: 0 auto;
}

.hero-content { max-width: 820px; }

.hero-tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--green);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.5s ease forwards 0.1s;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hero-tag::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
}

h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.5s ease forwards 0.2s;
}

h1 em {
  font-style: italic;
  color: var(--green);
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--text);
  max-width: 580px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  font-weight: 300;
  opacity: 0;
  animation: fadeUp 0.5s ease forwards 0.3s;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeUp 0.5s ease forwards 0.4s;
}

.badge {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--muted);
  letter-spacing: 0.03em;
  background: var(--white);
}

.badge.active {
  border-color: var(--green-border);
  color: var(--green);
  background: var(--green-dim);
}

.hero-cta {
  display: flex;
  gap: 1rem;
  opacity: 0;
  animation: fadeUp 0.5s ease forwards 0.5s;
}

.btn {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  padding: 0.9rem 2rem;
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: all 0.2s;
  border-radius: 6px;
}

.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-light); }

.btn-secondary {
  border: 1px solid var(--border);
  color: var(--muted);
  background: var(--white);
}
.btn-secondary:hover { border-color: var(--green); color: var(--green); }

/* SECTIONS */
section {
  padding: 6rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  color: var(--green);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-title em {
  font-style: italic;
  color: var(--green);
}

.section-sub {
  color: var(--muted);
  margin-bottom: 3rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}

.section-divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin-bottom: 3.5rem;
}

/* SKILLS */
.skills-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-pill {
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--green-border);
  border-radius: 100px;
  color: var(--green);
  background: var(--green-dim);
  letter-spacing: 0.03em;
  transition: all 0.2s;
  cursor: default;
}

.skill-pill:hover {
  background: var(--green);
  color: white;
}

/* PROJECTS */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.project-card {
  background: var(--white);
  padding: 2rem;
  display: block;
  transition: background 0.2s;
}
.project-card:hover { background: var(--green-dim); }

.project-number {
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.project-title {
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.project-desc {
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  font-weight: 300;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  padding: 0.25rem 0.65rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 100px;
  letter-spacing: 0.03em;
}

.project-links { display: flex; gap: 1rem; align-items: center; }

.project-link {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--green);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.project-link:hover { border-bottom-color: var(--green); }

.project-link-github {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.2s;
}
.project-link-github:hover { color: var(--green); border-bottom-color: var(--green); }

/* TROUBLESHOOTING */
.trouble-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.trouble-item {
  background: var(--white);
  padding: 1.75rem 2rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  align-items: start;
  transition: background 0.2s;
}
.trouble-item:hover { background: var(--green-dim); }

.trouble-number {
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  color: var(--green);
  letter-spacing: 0.1em;
  padding-top: 0.15rem;
}

.trouble-title {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 0.3rem;
}

.trouble-desc {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.6;
}

.trouble-tag {
  font-family: 'DM Mono', monospace;
  font-size: 0.58rem;
  padding: 0.25rem 0.65rem;
  background: var(--green-dim);
  border: 1px solid var(--green-border);
  color: var(--green);
  border-radius: 100px;
  white-space: nowrap;
  align-self: start;
  margin-top: 0.1rem;
  letter-spacing: 0.03em;
}

/* CERTIFICATIONS */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.cert-card {
  background: var(--white);
  padding: 2rem;
  transition: background 0.2s;
}
.cert-card:hover { background: var(--green-dim); }

.cert-icon { font-size: 1.6rem; margin-bottom: 0.75rem; }

.cert-name {
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 0.3rem;
}

.cert-issuer {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.cert-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  border: 1px solid var(--green-border);
  color: var(--green);
  background: var(--green-dim);
}

.cert-status::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 1.5s ease-in-out infinite;
}

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

/* CONTACT */
.contact-grid {
  display: flex;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.contact-card {
  flex: 1;
  background: var(--white);
  padding: 2rem;
  text-decoration: none;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.contact-card:hover { background: var(--green-dim); }

.contact-icon { font-size: 1.6rem; flex-shrink: 0; }

.contact-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}

.contact-value {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text);
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer p {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--muted);
}

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

/* ANIMATIONS */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* RESPONSIVE */
@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: 57px;
    left: 0;
    right: 0;
    background: rgba(249,249,246,0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border);
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .hero { padding: 6rem 1.5rem 3rem; }
  section { padding: 4rem 1.5rem; }
  .projects-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: 1fr; }
  .contact-grid { flex-direction: column; }
  .trouble-item { grid-template-columns: auto 1fr; }
  .trouble-tag { display: none; }
  footer { flex-direction: column; gap: 0.5rem; padding: 1.5rem; }
}