:root {
  --ink: #14181f;
  --ink-soft: #4a5160;
  --paper: #fbfaf8;
  --paper-alt: #f2f0ec;
  --accent: #1e3a5f;
  --accent-2: #c98a3a;
  --line: #e3e0d8;
  --radius: 10px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', -apple-system, sans-serif;
  line-height: 1.65;
}

h1, h2, h3, h4 {
  font-family: 'Source Serif 4', Georgia, serif;
  color: var(--ink);
  margin: 0 0 0.5em;
}

a { color: var(--accent); text-decoration: none; }

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 250, 248, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-brand {
  font-family: 'Source Serif 4', serif;
  font-weight: 600;
  font-size: 1.1rem;
}
.nav-links a {
  margin-left: 28px;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 500;
}
.nav-links a:hover { color: var(--accent); }

/* Hero */
.hero {
  padding: 90px 24px 70px;
  background: linear-gradient(180deg, #fff 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--line);
}
.hero-inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-2);
  margin-bottom: 16px;
}
.hero h1 {
  font-size: 2.6rem;
  line-height: 1.2;
  font-weight: 600;
}
.hero-sub {
  color: var(--ink-soft);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 20px auto 32px;
}
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-block;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #15293f; }
.btn-ghost { border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.hero-meta {
  margin-top: 36px;
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

/* Sections */
.section { max-width: 880px; margin: 0 auto; padding: 80px 24px; }
.section-alt { background: var(--paper-alt); max-width: none; }
.section-alt > * { max-width: 880px; margin-left: auto; margin-right: auto; }
.section-title {
  font-size: 1.9rem;
  margin-bottom: 36px;
  position: relative;
  padding-bottom: 14px;
}
.section-title::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 48px; height: 3px;
  background: var(--accent-2);
}

.about-grid p {
  color: var(--ink-soft);
  font-size: 1.05rem;
  margin-bottom: 18px;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: 'Source Serif 4', serif;
  font-size: 2.1rem;
  font-weight: 600;
  color: var(--accent);
}
.stat-label {
  display: block;
  margin-top: 8px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

/* Timeline */
.timeline { position: relative; padding-left: 28px; border-left: 2px solid var(--line); }
.tl-item { position: relative; margin-bottom: 42px; }
.tl-item:last-child { margin-bottom: 0; }
.tl-dot {
  position: absolute;
  left: -34px;
  top: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent-2);
  border: 2px solid var(--paper);
  box-shadow: 0 0 0 2px var(--accent-2);
}
.tl-content h3 { font-size: 1.2rem; margin-bottom: 4px; }
.tl-meta { color: var(--accent); font-size: 0.88rem; font-weight: 600; margin: 0 0 12px; }
.tl-content ul { margin: 0; padding-left: 18px; color: var(--ink-soft); }
.tl-content li { margin-bottom: 6px; }
.tags { margin-top: 12px; display: flex; gap: 8px; flex-wrap: wrap; }
.tags span {
  background: var(--paper-alt);
  border: 1px solid var(--line);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--ink-soft);
}

/* Cards */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
}
.card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.card p { color: var(--ink-soft); font-size: 0.95rem; margin-bottom: 14px; }

/* Skills */
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.skill-group h4 { font-size: 1rem; color: var(--accent); margin-bottom: 8px; }
.skill-group p { color: var(--ink-soft); font-size: 0.92rem; margin: 0; }

/* Contact */
.contact-section { text-align: center; }
.contact-sub { color: var(--ink-soft); margin-bottom: 28px; }

.footer {
  text-align: center;
  padding: 32px;
  color: var(--ink-soft);
  font-size: 0.85rem;
  border-top: 1px solid var(--line);
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .hero h1 { font-size: 1.9rem; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
}