/* Personal site — Editorial Clarity aesthetic
   Typography-focused, clean, professional */

@import url("https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,600;1,8..60,400&family=Source+Sans+3:wght@400;500;600&display=swap");

@view-transition {
  navigation: auto;
}

/* Disable default page crossfade */
::view-transition-old(root),
::view-transition-new(root) {
  animation: none;
}

/* Subpage heading animations */
@keyframes heading-enter {
  from {
    opacity: 0;
    transform: translateY(-0.75rem);
  }
}

@keyframes heading-exit {
  to {
    opacity: 0;
  }
}

::view-transition-new(cv-title),
::view-transition-new(contact-title) {
  animation: heading-enter 0.15s ease-out;
}

::view-transition-old(cv-title),
::view-transition-old(contact-title) {
  animation: heading-exit 0.1s ease-out forwards;
}

/* Subpage content animations - staggered after heading */
@keyframes content-enter {
  from {
    opacity: 0;
    transform: translateY(0.35rem);
  }
}

@keyframes content-exit {
  to {
    opacity: 0;
  }
}

::view-transition-new(cv-content),
::view-transition-new(contact-content) {
  animation: content-enter 0.18s ease-out 0.05s both;
}

::view-transition-old(cv-content),
::view-transition-old(contact-content) {
  animation: content-exit 0.1s ease-out forwards;
}

/* Homepage - fade in */
@keyframes fade-in {
  from {
    opacity: 0;
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(1.5rem);
  }
}

@keyframes fade-in-scale {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
}

::view-transition-new(homepage-content) {
  animation: fade-in 0.4s ease-out;
}

::view-transition-old(homepage-content) {
  animation: none;
  display: none;
}

/* Homepage entrance animations */
@media (prefers-reduced-motion: no-preference) {
  .content[style*="homepage-content"] h1 {
    animation: fade-up 0.6s ease-out both;
  }

  .content[style*="homepage-content"] .tagline {
    animation: fade-up 0.6s ease-out 0.1s both;
  }

  .content[style*="homepage-content"] .homepage-text {
    animation: fade-up 0.6s ease-out 0.2s both;
  }

  .content[style*="homepage-content"] .homepage-portrait {
    animation: fade-in-scale 0.7s ease-out 0.15s both;
  }
}

:root {
  --max-width: 42rem;

  /* Warm neutrals — Light mode */
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-tertiary: #6a6a6a;
  --bg-color: #faf9f7;
  --bg-subtle: #f3f2ef;
  --border-color: #e0ddd8;
  --accent: #2c2c2c;
  --shadow-color: rgba(26, 26, 26, 0.08);
  --focus-ring: rgba(66, 153, 225, 0.6);
  --portrait-backdrop: #e8ddd0;

  /* Typography */
  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-sans: "Source Sans 3", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
}

/* Dark mode — warm, inky tones */
@media (prefers-color-scheme: dark) {
  :root {
    --text-primary: #ebe6df;
    --text-secondary: #d5cfc6;
    --text-tertiary: #9a9389;
    --bg-color: #1c1a18;
    --bg-subtle: #272420;
    --border-color: #3d3832;
    --accent: #e8e2d9;
    --shadow-color: rgba(232, 226, 217, 0.7);
    --focus-ring: rgba(130, 180, 230, 0.5);
    --portrait-backdrop: #6b5542;
  }
}

* {
  box-sizing: border-box;
}

/* Smooth color scheme transitions */
@media (prefers-reduced-motion: no-preference) {
  body,
  .cv-nav,
  .cv-nav a,
  code,
  pre {
    transition:
      background-color 0.3s ease,
      color 0.3s ease,
      border-color 0.3s ease;
  }
}

html {
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color-scheme: light dark;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-color);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-lg);
}

/* Navigation */
.site-nav {
  margin-bottom: var(--space-xl);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.nav-container:has(.nav-home) {
  justify-content: space-between;
}

/* Home link - name on left */
.nav-home {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.2s ease;
}

.nav-home:hover {
  color: var(--text-primary);
}

/* Nav links - right-aligned, text only */
.nav-links {
  display: flex;
  gap: var(--space-lg);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.nav-links .is-current {
  color: var(--text-primary);
}

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  margin: 0;
  color: var(--text-primary);
}

h1 {
  font-size: 2.75rem;
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: none;
  letter-spacing: -0.03em;
}

h2 {
  font-size: 1.75rem;
  margin-top: var(--space-2xl);
  padding-bottom: var(--space-md);
  border-bottom: none;
  letter-spacing: -0.01em;
}

/* First h2 after nav doesn't need top margin */
.cv-nav + h2,
.content > h2:first-child {
  margin-top: 0;
  padding-top: 0;
}

h3 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  padding-top: var(--space-xl);
  padding-bottom: var(--space-sm);
}

h2 + h3 {
  padding-top: var(--space-lg);
}

/* Links */
a {
  color: var(--text-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
  transition: text-decoration-color 0.2s ease;
}

a:hover {
  text-decoration-color: var(--text-tertiary);
}

/* Paragraphs */
p {
  margin: 0 0 var(--space-md) 0;
}

p + p {
  margin-top: var(--space-md);
}

/* Strong text */
strong {
  font-weight: 600;
}

/* Lists */
ul,
ol {
  padding-left: var(--space-lg);
  margin: var(--space-md) 0;
}

li {
  margin-bottom: var(--space-xs);
}

li::marker {
  color: var(--text-tertiary);
}

/* Code */
code {
  font-family: "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.85em;
  background-color: var(--bg-subtle);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

pre {
  background-color: var(--bg-subtle);
  padding: var(--space-lg);
  border-radius: 4px;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.5;
}

pre code {
  background-color: transparent;
  padding: 0;
}

/* Blockquotes */
blockquote {
  border-left: 2px solid var(--border-color);
  margin: var(--space-lg) 0;
  padding-left: var(--space-lg);
  color: var(--text-secondary);
  font-style: italic;
}

blockquote p {
  margin: 0;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

/* Tagline (landing page) */
.tagline {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  font-style: italic;
  line-height: 1.5;
  color: var(--text-secondary);
  margin: 0 0 var(--space-xl) 0;
  max-width: none;
}

/* Homepage layout with portrait */
.homepage-layout {
  display: grid;
  grid-template-columns: 1fr 200px;
  grid-template-rows: auto 1fr;
  gap: var(--space-lg) var(--space-xl);
  align-items: start;
  position: relative;
}

.homepage-layout > .tagline {
  grid-column: 1 / -1;
  margin-bottom: var(--space-md);
}

.homepage-text {
  min-width: 0;
}

.homepage-text p {
  color: var(--text-primary);
}

/* Ornament after h1 on homepage */
.content[style*="homepage-content"] h1::after {
  content: "";
  display: block;
  width: 5rem;
  height: 1px;
  background-color: var(--border-color);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.homepage-portrait {
  position: relative;
  justify-self: end;
  margin-right: -1rem;
  margin-top: -1.25rem;
}

.homepage-portrait::before {
  content: "";
  position: absolute;
  width: 120%;
  aspect-ratio: 1;
  bottom: -17%;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 50%;
  z-index: -1;
  background: radial-gradient(
    circle at 52% 55%,
    var(--portrait-backdrop) 0%,
    transparent 60%
  );
  -webkit-mask-image: radial-gradient(
    circle at 50% 45%,
    rgba(0, 0, 0, 0.1) 0%,
    #000 30%,
    transparent 90%
  );
  mask-image: radial-gradient(
    circle at 50% 45%,
    rgba(0, 0, 0, 0.1) 0%,
    #000 30%,
    transparent 90%
  );
}

.homepage-portrait img {
  width: 200px;
  height: auto;
  display: block;

  @media (prefers-color-scheme: dark) {
    filter: sepia(0.08) saturate(1.15) brightness(0.95);
  }
}

/* CV Navigation */
.cv-nav {
  padding: var(--space-md) 0;
  margin: var(--space-md) 0 var(--space-xl) 0;
  border-bottom: 1px solid var(--border-color);
}

.cv-nav p {
  margin: 0;
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.cv-nav a {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  background-color: var(--bg-subtle);
  border-radius: 2rem;
  color: var(--text-secondary);
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

.cv-nav a:hover {
  background-color: var(--border-color);
  color: var(--text-primary);
}

.cv-nav ~ h2 {
  scroll-margin-top: 1rem;
}

/* CV Definition Lists */
dl {
  margin: var(--space-lg) 0;
}

dt {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

dd {
  margin-left: 0;
  margin-bottom: var(--space-xs);
}

dd:first-of-type {
  color: var(--text-secondary);
}

dd:last-of-type {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin-bottom: var(--space-md);
}

/* CV bullet lists following definition lists */
dl + ul {
  margin-top: calc(-1 * var(--space-sm));
  padding-left: var(--space-lg);
  font-size: 0.95rem;
}

dl + ul li {
  margin-bottom: var(--space-xs);
}

/* Experience bridge — earlier career summary */
.experience-bridge {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: var(--space-xl);
}

/* Responsive */
@media (max-width: 640px) {
  html {
    font-size: 16px;
  }

  body {
    padding: var(--space-lg) var(--space-md);
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.35rem;
  }

  /* Center nav on homepage mobile (no home link present) */
  .nav-container:not(:has(.nav-home)) {
    justify-content: center;
  }

  .homepage-layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .homepage-portrait {
    justify-self: center;
    order: -1;
    margin-right: 0;
    margin-top: 0;
    margin-bottom: var(--space-md);
  }

  .homepage-portrait img {
    width: 140px;
  }

  .tagline {
    font-size: 1.25rem;
    max-width: none;
    text-align: center;
  }

  .content[style*="homepage-content"] h1 {
    text-align: center;
  }

  .content[style*="homepage-content"] h1::after {
    display: none;
  }
}

/* Contact page — generous vertical rhythm for sparse content */
.content--contact {
  padding-top: calc(var(--space-2xl) + var(--space-xl));
}

.content--contact h1 {
  margin-bottom: var(--space-xl);
}

.content--contact p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 32rem;
}

@media (max-width: 640px) {
  .content--contact {
    padding-top: var(--space-xl);
  }
}

/* Print styles */
@media print {
  :root {
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-tertiary: #6a6a6a;
    --bg-color: white;
    --bg-subtle: #f5f5f5;
    --border-color: #e0e0e0;
  }

  body {
    background: white;
    max-width: none;
    padding: 0;
  }

  .site-nav,
  .cv-nav {
    display: none;
  }

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