/* =========================================================
   Portfolio — modern, off-white + navy
   Display: bold sans (system). Body: serif. Navy accent.
   ========================================================= */

:root {
  --paper: #f6f4ee;
  --ink: #111111;
  --ink-soft: #2a2a2a;
  --muted: #6b6357;
  --rule: #d9d3c4;
  --accent: #1d3557;       /* navy */
  --accent-soft: #2a4a78;
  --max-width: 760px;
  --header-h: 72px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

/* Hide the scrollbar across browsers; page remains scrollable. */
html {
  scrollbar-width: none;            /* Firefox */
  -ms-overflow-style: none;         /* legacy Edge / IE */
}
html::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;                    /* Chrome, Safari, Opera */
}
body {
  overflow-y: scroll;               /* keep scrolling enabled, suppress native chrome */
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Charter", "Iowan Old Style", "Baskerville", "Times New Roman",
    "Source Serif Pro", serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: text-decoration-color 0.2s var(--ease), color 0.2s var(--ease);
}
a:hover,
a:focus-visible {
  text-decoration-color: var(--accent);
  color: var(--accent);
}
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

p {
  margin: 0;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

/* =========================================================
   Header / Nav
   ========================================================= */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: rgba(246, 244, 238, 0.78);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  z-index: 50;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--rule);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue",
    Arial, sans-serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover {
  color: var(--accent);
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 18px;
  padding: 0;
  background: transparent;
  border: 0;
  cursor: pointer;
  z-index: 60;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
  transform-origin: center;
}
body.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
body.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}
body.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.site-nav {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  transform: translateY(-110%);
  transition: transform 0.3s var(--ease);
  z-index: 40;
}
body.nav-open .site-nav {
  transform: translateY(0);
}

.site-nav ul {
  display: flex;
  flex-direction: column;
  padding: 12px 28px 24px;
}
.site-nav li {
  border-top: 1px solid var(--rule);
}
.site-nav li:last-child {
  border-bottom: 1px solid var(--rule);
}
.site-nav a {
  display: block;
  padding: 16px 4px;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue",
    Arial, sans-serif;
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
}
.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  color: var(--accent);
}

/* =========================================================
   Hero
   ========================================================= */

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  padding: calc(var(--header-h) + 64px) 0 96px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.eyebrow {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue",
    Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 20px;
  position: relative;
  padding-left: 36px;
}
.eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 24px;
  height: 2px;
  background: var(--accent);
  transform: translateY(-50%);
}

.hero-name {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue",
    Arial, sans-serif;
  font-size: clamp(2.75rem, 9vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.95;
  margin: 0 0 24px;
  color: var(--ink);
}

.hero-claim {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 32em;
  margin: 0 0 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue",
    Arial, sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 13px 22px;
  border-radius: 999px;
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: background 0.2s var(--ease), color 0.2s var(--ease),
    border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.btn:hover,
.btn:focus-visible {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: var(--paper);
  border-color: var(--accent);
}
.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--accent-soft);
  border-color: var(--accent-soft);
  color: var(--paper);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--ink);
  color: var(--paper);
}

.scroll-cue {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 40px;
  border: 1.5px solid var(--ink);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.scroll-cue span {
  width: 2px;
  height: 8px;
  background: var(--ink);
  border-radius: 2px;
  animation: scroll-bounce 1.6s var(--ease) infinite;
}
@keyframes scroll-bounce {
  0%   { transform: translateY(0); opacity: 1; }
  60%  { transform: translateY(12px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* =========================================================
   Sections
   ========================================================= */

.section {
  padding: 96px 0;
  border-top: 1px solid var(--rule);
}

.section-head {
  margin-bottom: 56px;
}

.section-num {
  display: inline-block;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue",
    Arial, sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}

.section-title {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue",
    Arial, sans-serif;
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 12px;
}

.section-blurb {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 32em;
}

/* =========================================================
   Work
   ========================================================= */

.work-list {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.entry {
  padding: 4px 0;
}

.entry-row {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.entry-year {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue",
    Arial, sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  min-width: 3.5em;
}
.entry-year--long {
  min-width: 11em;
}
.entry-year--block {
  display: block;
  margin: 0 0 6px;
}

.entry-org {
  display: block;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue",
    Arial, sans-serif;
  font-size: 1rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0;
  margin-top: 4px;
}

.entry-bullets {
  list-style: disc;
  padding-left: 1.2em;
  margin: 0;
  max-width: 38em;
}
.entry-bullets li {
  margin: 0 0 8px;
  line-height: 1.6;
}
.entry-bullets li:last-child {
  margin-bottom: 0;
}

.experience-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.entry-title {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue",
    Arial, sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0 0 16px;
}

.entry-lede {
  font-size: 1.02rem;
  line-height: 1.6;
  max-width: 38em;
  margin: 0 0 8px;
}

.entry-tech {
  font-style: italic;
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0 0 10px;
}

.entry-links {
  font-size: 0.92rem;
}
.entry-links .sep {
  color: var(--muted);
  margin: 0 6px;
}

/* Figure inside any work entry: compact, in line with the text column. */
.entry-figure {
  margin: 20px 0;
  width: 100%;
  max-width: 520px;
}
.entry-figure img {
  width: 100%;
  max-width: 520px;
  height: auto;
  display: block;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: #fff;
}
.entry-figure a {
  text-decoration: none;
  display: block;
}
.entry-figure a:hover img,
.entry-figure a:focus-visible img {
  border-color: var(--accent);
}

/* Carousel figure: stack images, crossfade between them via JS. */
.entry-figure--carousel {
  position: relative;
  max-height: 480px;
  overflow: hidden;
  background: #fff;
}
.entry-figure--carousel a {
  position: relative;
  display: block;
  height: 100%;
}
.entry-figure--carousel .entry-figure-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}
.entry-figure--carousel .entry-figure-img.is-active {
  opacity: 1;
}

/* =========================================================
   About
   ========================================================= */

.prose {
  max-width: 36em;
  font-size: 1.05rem;
  line-height: 1.7;
}
.prose p {
  margin: 0 0 1em;
}
.prose p:last-child {
  margin-bottom: 0;
}

/* =========================================================
   Contact
   ========================================================= */

.contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 1.1rem;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue",
    Arial, sans-serif;
  font-weight: 500;
}

.contact-line a {
  text-decoration-color: var(--rule);
}
.contact-line .sep {
  color: var(--muted);
  margin: 0 8px;
}

/* =========================================================
   Footer
   ========================================================= */

.site-footer {
  border-top: 1px solid var(--rule);
  padding: 28px 0 36px;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
  margin-top: 48px;
}

/* =========================================================
   Reveal-on-scroll animation
   ========================================================= */

.reveal [data-reveal-child] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible [data-reveal-child] {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger the children inside any reveal block. */
.reveal.is-visible [data-reveal-child]:nth-child(1) { transition-delay: 0ms; }
.reveal.is-visible [data-reveal-child]:nth-child(2) { transition-delay: 80ms; }
.reveal.is-visible [data-reveal-child]:nth-child(3) { transition-delay: 160ms; }
.reveal.is-visible [data-reveal-child]:nth-child(4) { transition-delay: 240ms; }
.reveal.is-visible [data-reveal-child]:nth-child(5) { transition-delay: 320ms; }
.reveal.is-visible [data-reveal-child]:nth-child(6) { transition-delay: 400ms; }

/* =========================================================
   Mobile tweaks
   ========================================================= */

@media (max-width: 540px) {
  .container {
    padding: 0 20px;
  }
  .hero {
    padding-bottom: 80px;
  }
  .hero-name {
    font-size: clamp(2.4rem, 12vw, 3.5rem);
  }
  .section {
    padding: 64px 0;
  }
  .section-head {
    margin-bottom: 36px;
  }
  .entry-title {
    font-size: 1.25rem;
  }
  .scroll-cue {
    bottom: 16px;
  }
}

/* Mobile: no nav, no burger — just the brand. Users scroll the page. */
@media (max-width: 767px) {
  .site-header {
    display: flex;
    align-items: center;
    height: var(--header-h);
  }
  .header-inner {
    flex: 1;
  }
  .nav-toggle,
  .site-nav {
    display: none;
  }
}

/* =========================================================
   Desktop: inline nav
   ========================================================= */

@media (min-width: 768px) {
  .site-header {
    display: flex;
    align-items: center;
    height: var(--header-h);
  }
  .header-inner {
    flex: 1;
  }
  .nav-toggle {
    display: none;
  }
 .site-nav {
  position: static;
  transform: none;
  background: transparent;
  border-bottom: 0;
  margin-right: 100px;
}

  .site-nav ul {
    flex-direction: row;
    gap: 32px;
    padding: 0;
  }
  .site-nav li {
    border: 0;
  }
  .site-nav li:last-child {
    border: 0;
  }
  .site-nav a {
    padding: 6px 0;
    font-size: 0.92rem;
  }
}

/* =========================================================
   Reduced motion
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .reveal [data-reveal-child] {
    opacity: 1;
    transform: none;
  }
}