/*
  Root-level settings.
  `color-scheme: light` tells the browser this site uses a light theme
  (helps with form inputs, scrollbars, accessibility).
*/
:root {
  color-scheme: light;
}

/*
  Global page styles.
*/
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.6;
  background: rgba(0, 0, 0, 0.02);
}

/*
  Main content wrapper.
*/
.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 16px 56px;
}

/*
  Header / hero section.
*/
header {
  padding: 16px 0 8px;
}

.hero {
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  margin-bottom: 14px;
}

.hero-top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
}

.hero-actions {
  margin-top: 12px;
}

/*
  Main heading (name + role).
*/
h1 {
  margin: 0 0 6px;
  font-size: 32px;
}

/*
  Subtitle text (location).
*/
.sub {
  margin: 0;
  opacity: 0.8;
}

/*
  Muted inline text (used in header title).
*/
.muted {
  opacity: 0.7;
  font-weight: 600;
}

/*
  Short skills snapshot line.
*/
.snap {
  margin: 8px 0 0;
  opacity: 0.85;
}

/*
  Contact row (email + availability).
*/
.contact {
  margin: 10px 0 0;
  opacity: 0.9;
}

/* Prevents email address from breaking into multiple lines */
.contact a {
  white-space: nowrap;
}

/*
  Separator symbol ( | ).
*/
.sep {
  margin: 0 10px;
  opacity: 0.5;
}

/*
  Reusable card container.
*/
.card {
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 14px;
  padding: 14px;
  margin: 10px 0;
  background: #fff;
}

/*
  Highlighted card (important sections).
*/
.card.featured {
  border-color: rgba(0, 0, 0, 0.18);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
}

/*
  Section headings.
*/
h2 {
  margin: 0 0 8px;
  font-size: 18px;
}

/*
  Subheadings (used for skills + project title).
*/
h3 {
  margin: 12px 0 6px;
  font-size: 15px;
}

/*
  Paragraph spacing inside cards.
*/
.card p {
  margin: 8px 0 0;
}

/*
  Clean bullet lists.
*/
.clean-list {
  margin: 6px 0 0 18px;
  padding: 0;
}

.clean-list li {
  margin: 2px 0;
}

/*
  Grid layout for side-by-side sections.
*/
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 820px) {
  .grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

/*
  Skill tags (pill style).
*/
.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.16);
  margin: 6px 6px 0 0;
  font-size: 13px;
  background: rgba(0, 0, 0, 0.02);
}

/*
  Button-style links.
*/
.btn {
  display: inline-block;
  padding: 10px 14px;
  border: 1px solid rgba(0, 0, 0, 0.14);
  border-radius: 12px;
  text-decoration: none;
  margin-right: 10px;
}

.btn:hover {
  border-color: rgba(0, 0, 0, 0.28);
}

/* Optional lighter button */
.btn.ghost {
  background: rgba(0, 0, 0, 0.02);
}

/*
  Collapsible sections (certifications).
*/
.expand {
  margin-top: 10px;
}

.expand summary {
  cursor: pointer;
  padding: 8px 0;
}

.expand[open] summary {
  opacity: 0.9;
}

.expand ul {
  margin-top: 6px;
}

.expand summary::-webkit-details-marker {
  opacity: 0.6;
}

/*
  Footer styling.
*/
footer {
  margin-top: 22px;
  opacity: 0.7;
  font-size: 14px;
}

/* Additional mobile tweak: Stack buttons on very small screens */
@media (max-width: 480px) {
  .hero-actions .btn {
    display: block;
    margin-bottom: 8px;
    margin-right: 0;
  }
}