@import url("https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap");

/* ============================================
   TOKENS
   ============================================ */
:root {
  /* LIGHT THEME (Default) */
  --color-bg: #fafafa;
  --color-text: #111111;
  --color-text-dim: #666666;
  --color-text-muted: #999999;
  --color-border: #e0e0e0;

  --selection-bg: #111111;
  --selection-color: #fafafa;

  --font-sans: "Outfit", sans-serif;
  --font-heading: "Outfit", sans-serif;

  --gutter: clamp(1.25rem, 4vw, 3.5rem);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    /* DARK THEME */
    --color-bg: #050505;
    --color-text: #eaeaea;
    --color-text-dim: #a1a1a1;
    --color-text-muted: #555555;
    --color-border: #1c1c1c;

    --selection-bg: #eaeaea;
    --selection-color: #050505;

    color-scheme: dark;
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

::selection {
  background: var(--selection-bg);
  color: var(--selection-color);
}

/* ============================================
   HEADER
   ============================================ */
.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: var(--gutter);
  padding-bottom: 0;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
}

.header__logo {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: var(--color-text);
  transition: opacity 0.2s ease;
}

.header__logo:hover {
  opacity: 0.7;
}

.header__subtitle {
  font-weight: 300;
  color: var(--color-text-dim);
  font-size: 0.9rem;
}

.nav__link {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  transition: color 0.2s ease;
}

.nav__link:hover {
  color: var(--color-text);
}

/* ============================================
   DIVIDERS
   ============================================ */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 1.5rem auto 0;
  max-width: calc(1600px - (var(--gutter) * 2));
  width: calc(100% - (var(--gutter) * 2));
}

.section-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2.5rem 0;
}

/* ============================================
   MAIN LAYOUT
   ============================================ */
.main {
  display: grid;
  grid-template-columns: 240px 1px 1.2fr 540px;
  gap: 0;
  padding: 2.5rem var(--gutter) 5rem;
  max-width: 1600px;
  margin: 0 auto;
}

/* Vertical divider 1 (between sidebar and content) */
.main::before {
  content: "";
  grid-column: 2;
  grid-row: 1;
  background: var(--color-border);
  width: 1px;
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
  position: sticky;
  top: 2rem;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-right: 2rem;
  grid-column: 1;
}

.sidebar__bio {
  font-size: 0.85rem;
  font-weight: 300;
  line-height: 1.65;
  color: var(--color-text-dim);
}

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

.sidebar__link {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: color 0.2s ease;
}

.sidebar__link:last-child {
  border-bottom: none;
}

.sidebar__link:hover {
  color: var(--color-text);
}

.icon {
  flex-shrink: 0;
  vertical-align: middle;
}

.icon--arrow {
  margin-left: auto;
  opacity: 0.5;
}

/* ============================================
   CONTENT
   ============================================ */
.content {
  grid-column: 3;
  padding-left: 2.5rem;
  min-width: 0;
}

/* ============================================
   SECTION HEADING
   ============================================ */
.section__heading {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 2rem;
}

/* ============================================
   ENTRY — Two-column (meta left, info right)
   Matches template: title/org/date on left,
   degree/bullets on right
   ============================================ */
.entry {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}

.entry:last-of-type {
  border-bottom: none;
}

.entry__left {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.entry__org-name {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35;
}

.entry__detail {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.entry__right {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.entry__degree {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.4;
}

.entry__minor {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  line-height: 1.5;
}

/* ============================================
   SKILLS — Two-column grid of categories
   ============================================ */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem 3rem;
}

.skill-group__title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.6rem;
}

.skill-group__list li {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  line-height: 1.55;
  padding-left: 0.85rem;
  position: relative;
}

.skill-group__list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-text-muted);
}

/* ============================================
   CERTIFICATIONS
   ============================================ */
.cert {
  padding: 0.6rem 0;
}

.cert__name {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-text-dim);
  line-height: 1.5;
}

.cert__placeholder {
  font-size: 0.85rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ============================================
   ABOUT PAGE STYLES (for about.html)
   ============================================ */
.about-content {
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.8;
  color: var(--color-text);
}

.about-content p {
  margin-bottom: 1.5rem;
}

/* ============================================
   VISUAL COLUMN & DITHER WAVE
   ============================================ */
.visual-column {
  grid-column: 4;
  padding-left: 2.5rem;
}

.dither-wrapper {
  position: sticky;
  top: 2.5rem;
  width: 100%;
  height: 600px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: #050505;
}

#ditherCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
  .main {
    grid-template-columns: 240px 1px 1fr;
    max-width: 1000px;
  }

  .visual-column {
    display: none;
  }
}

@media (max-width: 768px) {
  .main {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .main::before {
    display: none;
  }

  .sidebar {
    position: static;
    padding-right: 0;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
  }

  .content {
    grid-column: 1;
    padding-left: 0;
  }

  .entry {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .skills-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .header {
    padding-bottom: 0;
  }
}

/* ============================================
   HEADER NAV — Multiple links
   ============================================ */
.header__nav {
  display: flex;
  gap: 1.5rem;
}

/* ============================================
   BLOG LISTING
   ============================================ */
.blog-entry {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.blog-entry:first-child {
  padding-top: 0;
}

.blog-entry:last-child {
  border-bottom: none;
}

.blog-entry__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}

.blog-entry__date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.blog-entry__category {
  font-weight: 300;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.blog-entry__title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  display: inline-block;
  transition: opacity 0.2s ease;
}

.blog-entry__title:hover {
  opacity: 0.7;
}

.blog-entry__excerpt {
  font-size: 0.8rem;
  font-weight: 300;
  color: var(--color-text-dim);
  line-height: 1.6;
  margin-top: 0.4rem;
}

/* ============================================
   BLOG POST
   ============================================ */
.post-back {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  transition: color 0.2s ease;
  display: inline-block;
  margin-bottom: 2rem;
}

.post-back:hover {
  color: var(--color-text);
}

.post-header {
  margin-bottom: 2.5rem;
}

.post-header__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35;
  margin-bottom: 0.75rem;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.post-body {
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.8;
  color: var(--color-text);
}

.post-body p {
  margin-bottom: 1.5rem;
}

.post-body h3 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.post-body ul,
.post-body ol {
  margin-bottom: 1.5rem;
  padding-left: 1.25rem;
}

.post-body li {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 0.4rem;
}

.post-body code {
  font-size: 0.9em;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  color: var(--color-text);
}

.post-body blockquote {
  border-left: 2px solid var(--color-border);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  color: var(--color-text-dim);
  font-style: italic;
}

/* ============================================
   CHANGELOG ENTRIES
   ============================================ */
.changelog-entry {
  padding-bottom: 2.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--color-border);
}

.changelog-entry:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.changelog-date {
  font-weight: 300;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}