/* ─── TOKENS ──────────────────────────────────────────────────────────────── */
:root {
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --accent: #6c47ff;
  --accent-light: #ede9ff;
  --accent-hover: #5538dd;
  --bg: #ffffff;
  --bg-subtle: #f5f5f7;
  --border: #e4e4e7;
  --text: #18181b;
  --text-muted: #71717a;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.05);
  --shadow-lg: 0 4px 6px rgba(0,0,0,.07), 0 12px 32px rgba(0,0,0,.08);
  --max-w: 900px;
}

/* ─── RESET ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ─── CONTAINER ───────────────────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── NAV ─────────────────────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
  height: 56px;
  max-width: 100%;
}

.nav-name {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.3px;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.15s;
}

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

/* ─── HERO ────────────────────────────────────────────────────────────────── */
.hero {
  padding: 96px 0 80px;
  background: var(--bg);
}

.hero-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 24px;
  max-width: 700px;
}

.hero-bio {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 36px;
}

.hero-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ─── BUTTONS ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  border-radius: 99px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  border: 1.5px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(108,71,255,0.3);
}

.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text-muted);
}
.btn-secondary:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

/* ─── SECTIONS ────────────────────────────────────────────────────────────── */
section { padding: 80px 0; }
section:nth-of-type(even) { background: var(--bg-subtle); }

h2 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.6px;
  margin-bottom: 8px;
}

.section-sub {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 40px;
}

/* ─── PROJECT CARDS ───────────────────────────────────────────────────────── */
#projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.project-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 28px 24px;
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.project-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.project-card.featured {
  border-top: 3px solid var(--accent);
}

.project-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  background: var(--accent-light);
  padding: 3px 10px;
  border-radius: 99px;
  align-self: flex-start;
}

.project-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--text);
}

.project-desc {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}

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

.project-tag {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 3px 10px;
}

.project-links {
  display: flex;
  gap: 10px;
  padding-top: 4px;
  border-top: 1px solid var(--border);
  margin-top: 4px;
}

.project-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  transition: color 0.15s;
}
.project-link:hover { color: var(--accent-hover); }

.project-link.secondary {
  color: var(--text-muted);
}
.project-link.secondary:hover { color: var(--text); }

/* ─── ABOUT ───────────────────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 60px;
  align-items: start;
}

.about-left p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-top: 20px;
}

.about-left p + p { margin-top: 14px; }

/* ─── EXPERIENCE ──────────────────────────────────────────────────────────── */
.experience { margin-bottom: 40px; }

.experience h3,
.skills-wrap h3 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.exp-item {
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.exp-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 2px;
}

.exp-company {
  font-weight: 700;
  font-size: 14.5px;
}

.exp-date {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

.exp-role {
  font-size: 13.5px;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 6px;
}

.exp-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ─── SKILLS ──────────────────────────────────────────────────────────────── */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-tag {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 6px 14px;
}

/* ─── FOOTER ──────────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 24px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

footer span {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--text); }

/* ─── MOBILE ──────────────────────────────────────────────────────────────── */
@media (max-width: 700px) {
  .hero { padding: 64px 0 56px; }
  .hero h1 { font-size: 32px; letter-spacing: -1px; }
  .hero-bio { font-size: 16px; }

  nav { padding: 0 16px; }
  .container { padding: 0 16px; }
  section { padding: 56px 0; }

  #projects-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .exp-header {
    flex-direction: column;
    gap: 2px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links { gap: 18px; }
}