/* ==========================================================================
   Nathan Mannes — custom look on top of Beautiful Jekyll
   Warm paper, editorial serif display, mono labels, single 720px column.
   ========================================================================== */

:root {
  --paper: #faf9f6;
  --ink: #1b1b1b;
  --ink-soft: #4b4842;
  --muted: #6e6a63;
  --line: #e6e1d8;
  --accent: #1f6f4a;
  --accent-ink: #16523c;
  --accent-soft: #eaf1ec;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Newsreader", Georgia, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Menlo, monospace;

  --nav-height: 68px;
}

/* --- Base ----------------------------------------------------------------- */

html {
  font-size: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding-top: var(--nav-height);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ink);
  background-color: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body > [role="main"] {
  flex: 1 0 auto;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

p {
  margin: 1.25rem 0;
  line-height: 1.7;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover,
a:focus {
  color: var(--accent-ink);
}

::selection {
  color: #fff;
  background-color: var(--accent);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

img {
  max-width: 100%;
}

/* --- Layout: one calm column for nav, content and footer ------------------ */

.container-md {
  width: 100%;
  max-width: 780px;
  padding-left: 30px;
  padding-right: 30px;
}

/* Neutralise Bootstrap's offset columns so every page uses the same column */
.container-md > .row > [class*="col-"] {
  flex: 0 0 100%;
  max-width: 100%;
  margin-left: 0;
}

@media (max-width: 575.98px) {
  .container-md {
    padding-left: 20px;
    padding-right: 20px;
  }
}

/* Bootstrap zeroes container padding inside a collapsed navbar; keep ours. */
.navbar-custom.navbar-expand-md > .container-md {
  padding-left: 30px;
  padding-right: 30px;
}

@media (max-width: 575.98px) {
  .navbar-custom.navbar-expand-md > .container-md {
    padding-left: 20px;
    padding-right: 20px;
  }
}

/* --- Navbar --------------------------------------------------------------- */

.navbar-custom,
.navbar-custom.top-nav-short,
.navbar-custom.top-nav-short-permanent {
  min-height: var(--nav-height);
  padding: 0;
  background-color: rgba(250, 249, 246, 0.86);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: none;
}

.navbar-custom .nav-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  min-height: var(--nav-height);
}

.navbar-custom .navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.75rem 0;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.navbar-custom .navbar-brand:hover,
.navbar-custom .navbar-brand:focus {
  color: var(--accent);
}

.navbar-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--line);
  object-fit: cover;
}

.navbar-custom .navbar-collapse {
  margin-left: 0;
  margin-right: 0;
  border-top: 0;
}

.navbar-custom .navbar-nav {
  align-items: center;
  padding: 0;
}

.navbar-custom .navbar-nav .nav-link {
  padding: 0.5rem 0 0.5rem 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.navbar-custom .navbar-nav .nav-link:hover,
.navbar-custom .navbar-nav .nav-link:focus {
  color: var(--ink);
}

.navbar-custom .navbar-nav .nav-link.active {
  color: var(--accent);
}

.navbar-custom .navbar-toggler {
  margin: 0;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.navbar-custom .navbar-toggler[aria-expanded="true"] {
  background-color: transparent;
}

@media (max-width: 767.98px) {
  .navbar-custom .navbar-collapse {
    margin: 0.5rem 0 0;
    padding: 0.5rem 0 0.75rem;
    background-color: var(--paper);
    border-top: 1px solid var(--line);
  }

  .navbar-custom .navbar-nav {
    align-items: stretch;
    padding: 0;
  }

  .navbar-custom .navbar-nav .nav-link {
    padding: 0.65rem 0;
  }
}

/* --- Page headers (About, posts) ----------------------------------------- */

.intro-header {
  margin: 0;
  padding: 4rem 0 1rem;
}

.intro-header .page-heading,
.intro-header .post-heading {
  text-align: left;
}

.intro-header .page-heading h1,
.intro-header .post-heading h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.025em;
}

.intro-header .post-heading h1 {
  font-size: clamp(2.25rem, 5vw, 3rem);
}

.intro-header .page-heading hr.small {
  display: none;
}

.intro-header .page-heading .page-subheading {
  display: block;
  margin: 0.75rem 0 0;
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--muted);
}

.intro-header .post-heading .post-subheading {
  margin: 0.75rem 0 1rem;
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--muted);
}

.post-heading .post-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-style: normal;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1.5;
  text-transform: uppercase;
  color: var(--accent);
}

.eyebrow::before {
  content: "";
  flex: none;
  width: 1.5rem;
  height: 1px;
  background-color: var(--accent);
}

@media (max-width: 639.98px) {
  .eyebrow-location {
    display: none;
  }
}

/* --- Home / 404 hero ------------------------------------------------------ */

.hero {
  padding: 4rem 0 0;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 7vw, 4.25rem);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.hero .lead {
  max-width: 39rem;
  margin: 1.75rem 0 0;
  font-size: clamp(1.125rem, 2.2vw, 1.3125rem);
  line-height: 1.65;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem 2rem;
  margin-top: 2.75rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding-bottom: 0.2rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.15s ease, border-color 0.15s ease;
}

.text-link span {
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--muted);
  transition: color 0.15s ease, transform 0.15s ease;
}

.text-link:hover,
.text-link:focus {
  color: var(--accent);
  border-color: var(--accent);
}

.text-link:hover span,
.text-link:focus span {
  color: var(--accent);
  transform: translateX(2px);
}

/* --- Home: experience list ------------------------------------------------ */

.experience {
  margin-top: 4.5rem;
}

.section-label {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1.5;
  text-transform: uppercase;
  color: var(--muted);
}

.company-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.company-list li {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 1rem;
  padding: 1.05rem 0;
  border-top: 1px solid var(--line);
}

.company-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.company-index {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.company {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
}

.company::after {
  content: " ↗";
  font-size: 0.8em;
  color: var(--muted);
  opacity: 0;
  transition: opacity 0.15s ease;
}

.company-list li:hover .company,
.company:focus {
  color: var(--accent);
}

.company-list li:hover .company::after,
.company:focus::after {
  opacity: 1;
}

.company-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  text-align: right;
  white-space: nowrap;
}

@media (max-width: 575.98px) {
  .company-list li {
    grid-template-columns: 1.75rem minmax(0, 1fr);
    row-gap: 0.2rem;
  }

  .company-meta {
    grid-column: 2;
    text-align: left;
    white-space: normal;
  }
}

/* --- Page content / About timeline --------------------------------------- */

.page-content {
  padding-top: 0;
}

.page-content p {
  margin: 1.25rem 0;
}

.page-content > ul {
  margin: 1.25rem 0;
}

.timeline {
  margin: 1.5rem 0 0;
  padding: 0 0 0 1.75rem;
  list-style: none;
  border-left: 1px solid var(--line);
}

.timeline > li {
  position: relative;
  padding: 0 0 1.9rem;
}

.timeline > li:last-child {
  padding-bottom: 0;
}

.timeline > li::before {
  content: "";
  position: absolute;
  top: 0.6em;
  left: -1.75rem;
  width: 7px;
  height: 7px;
  margin-left: -3.5px;
  background-color: var(--paper);
  border: 1.5px solid var(--accent);
  border-radius: 50%;
}

.timeline p {
  margin: 0;
}

/* --- Blog posts ----------------------------------------------------------- */

.blog-post {
  font-size: 1.0625rem;
}

.blog-post p {
  margin: 1.25rem 0;
}

.blog-post blockquote {
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  font-style: normal;
  color: var(--muted);
  border-left: 2px solid var(--line);
}

.blog-post img {
  border-radius: 8px;
}

.post-preview a {
  font-family: var(--font-sans);
  color: var(--ink);
}

.post-preview .post-title {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: -0.015em;
}

.post-preview .post-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-style: normal;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

/* --- Footer --------------------------------------------------------------- */

footer {
  margin-top: 6rem;
  padding: 2.25rem 0;
  font-size: 0.8125rem;
  color: var(--muted);
  background-color: transparent;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-copy {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--muted);
}

footer .footer-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  text-align: right;
}

footer .footer-links .list-inline-item {
  margin: 0;
}

footer .footer-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

footer .footer-links a:hover,
footer .footer-links a:focus {
  color: var(--accent);
  background-color: var(--accent-soft);
  border-color: var(--accent);
}

footer .footer-links .fa-stack {
  width: 1.5rem;
  height: 1.5rem;
  font-size: 0.75rem;
  line-height: 1.5rem;
}

footer .footer-links .fa-stack .fa-circle {
  display: none;
}

footer .footer-links .fa-inverse {
  color: inherit;
}

@media (max-width: 575.98px) {
  footer {
    margin-top: 4.5rem;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  footer .footer-links {
    justify-content: flex-start;
  }
}

/* --- Motion preferences --------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}