@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Mono:wght@300;400;500&display=swap');

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

:root {
  --bg: #0a0a0f;
  --surface: #111118;
  --border: #1e1e2e;
  --accent: #4ade80;
  --accent-dim: rgba(74, 222, 128, 0.12);
  --text: #e8e8f0;
  --muted: #6b6b80;
  --heading: #ffffff;
  --font-display: 'Syne', sans-serif;
  --font-mono: 'DM Mono', monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  min-height: 100vh;
}

/* ─── NAV ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 3rem;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  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: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

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

/* ─── LAYOUT ─── */
.page { padding-top: 5rem; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ─── HERO ─── */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(74,222,128,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(74,222,128,0.3);
  padding: 0.35rem 0.9rem;
  border-radius: 2px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  color: var(--heading);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

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

.hero-sub {
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-certs {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.cert-badge {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.3rem 0.75rem;
  border-radius: 2px;
  border: 1px solid rgba(74,222,128,0.2);
}

.hero-actions { display: flex; gap: 1rem; align-items: center; }

.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 2px;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: #000;
  font-weight: 500;
}

.btn-primary:hover { background: #86efac; }

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

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

/* ─── SECTION ─── */
.section { padding: 6rem 0; }

.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  color: var(--heading);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 3.5rem;
  line-height: 1.8;
}

/* ─── CARDS ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2rem;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
  border-color: rgba(74,222,128,0.3);
  transform: translateY(-2px);
}

/* ─── PROJECT GRID ─── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(480px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2rem;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.project-card:hover { border-color: rgba(74,222,128,0.3); transform: translateY(-2px); }

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

.project-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--heading);
  letter-spacing: -0.01em;
}

.project-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  padding: 0.3rem 0.7rem;
  border-radius: 2px;
  white-space: nowrap;
  transition: all 0.2s;
  flex-shrink: 0;
}

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

.project-desc { color: var(--muted); font-size: 0.88rem; line-height: 1.7; }

.project-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: auto; }

.tag {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
}

/* ─── ABOUT PAGE ─── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}

.about-sidebar {}

.about-name {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--heading);
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

.about-role {
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.about-stat {
  display: flex;
  flex-direction: column;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--heading);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.about-body p {
  color: var(--muted);
  margin-bottom: 1.5rem;
  line-height: 1.9;
  font-size: 0.92rem;
}

.expertise-list {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.expertise-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text);
}

.expertise-item::before {
  content: '▸';
  color: var(--accent);
  font-size: 0.7rem;
}

/* ─── CONTACT ─── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 1rem;
}

.contact-info p { color: var(--muted); font-size: 0.88rem; line-height: 1.8; margin-bottom: 2rem; }

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-row {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
}

.contact-row-label {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-row-val {
  font-size: 0.88rem;
  color: var(--text);
}

/* ─── FORM ─── */
.form { display: flex; flex-direction: column; gap: 1.25rem; }

.form-group { display: flex; flex-direction: column; gap: 0.5rem; }

.form-label {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.form-input,
.form-textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 0.85rem 1rem;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  transition: border-color 0.2s;
  width: 100%;
  outline: none;
}

.form-input:focus,
.form-textarea:focus { border-color: var(--accent); }

.form-textarea { resize: vertical; min-height: 140px; }

.form-status {
  font-size: 0.82rem;
  padding: 0.75rem 1rem;
  border-radius: 2px;
  display: none;
}

.form-status.success { background: var(--accent-dim); color: var(--accent); border: 1px solid rgba(74,222,128,0.3); display: block; }
.form-status.error { background: rgba(239,68,68,0.1); color: #f87171; border: 1px solid rgba(239,68,68,0.3); display: block; }

/* ─── FOOTER ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy { font-size: 0.75rem; color: var(--muted); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 0.75rem; color: var(--muted); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }

/* ─── DIVIDER ─── */
.divider { height: 1px; background: var(--border); margin: 0; }

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

.fade-up { animation: fadeUp 0.6s ease forwards; }
.fade-up-1 { animation-delay: 0.1s; opacity: 0; }
.fade-up-2 { animation-delay: 0.2s; opacity: 0; }
.fade-up-3 { animation-delay: 0.3s; opacity: 0; }
.fade-up-4 { animation-delay: 0.4s; opacity: 0; }

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { gap: 1.5rem; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .projects-grid { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 1rem; text-align: center; }
}