@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Libre+Baskerville:wght@400;700&display=swap");

/* Reset */
*,
*::before,
*::after {
  padding: 0;
  margin: 0;
  border: 0;
  box-sizing: border-box;
}
a { text-decoration: none; color: inherit; }
li { list-style: none; }
img { vertical-align: top; }
h1, h2, h3, h4, h5, h6 { font-weight: inherit; font-size: inherit; }
html, body { height: 100%; line-height: 1.65; }
textarea, button, input {
  font-weight: inherit;
  font-size: inherit;
  color: inherit;
  font-family: inherit;
}
button { cursor: pointer; background-color: inherit; }

/* Mist blue is the default live theme */
:root,
[data-theme="mist"] {
  --bg: #121820;
  --bg-deep: #0b1016;
  --accent: #b7d4ea;
  --white: #eef3f7;
  --muted: rgba(238, 243, 247, 0.62);
  --line: rgba(183, 212, 234, 0.2);
  --hover-tint: rgba(183, 212, 234, 0.05);
  --header-fade: rgba(18, 24, 32, 0.96);
  --side: clamp(1.5rem, 6vw, 6rem);
}

[data-theme="forest"] {
  --bg: #123629;
  --bg-deep: #0d2c21;
  --accent: #c7f5d8;
  --white: #f6f4ec;
  --muted: rgba(246, 244, 236, 0.64);
  --line: rgba(199, 245, 216, 0.2);
  --hover-tint: rgba(199, 245, 216, 0.045);
  --header-fade: rgba(18, 54, 41, 0.96);
}

/* Cool steel blue — quieter, more technical */
[data-theme="steel"] {
  --bg: #15191e;
  --bg-deep: #0c0f12;
  --accent: #9eb6c8;
  --white: #edf1f4;
  --muted: rgba(237, 241, 244, 0.6);
  --line: rgba(158, 182, 200, 0.18);
  --hover-tint: rgba(158, 182, 200, 0.05);
  --header-fade: rgba(21, 25, 30, 0.96);
}

/* Deep indigo with pale periwinkle */
[data-theme="twilight"] {
  --bg: #16162a;
  --bg-deep: #0d0d1a;
  --accent: #c5c8f0;
  --white: #f1f0f8;
  --muted: rgba(241, 240, 248, 0.62);
  --line: rgba(197, 200, 240, 0.2);
  --hover-tint: rgba(197, 200, 240, 0.05);
  --header-fade: rgba(22, 22, 42, 0.96);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--white);
  background: var(--bg);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background 280ms ease, color 280ms ease;
}

::selection { color: var(--bg-deep); background: var(--accent); }
a { color: inherit; text-decoration: none; }

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem var(--side);
}

.site-header::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(to bottom, var(--header-fade), transparent);
  opacity: 0;
  transition: opacity 250ms ease;
  pointer-events: none;
}

.site-header.scrolled::before { opacity: 1; }

.wordmark {
  font-family: "Libre Baskerville", Georgia, serif;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

nav {
  display: flex;
  gap: clamp(1rem, 2.4vw, 2.25rem);
}

.nav-link {
  position: relative;
  font-size: 0.75rem;
}

.nav-link::after,
.social-links a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -0.2rem;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 250ms ease;
}

.nav-link:hover::after,
.nav-link.active::after,
.social-links a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

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

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 8rem var(--side) 5rem;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -12vw;
  bottom: -42vw;
  width: 65vw;
  height: 65vw;
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow: 0 0 0 9vw transparent, 0 0 0 calc(9vw + 1px) var(--line);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 1100px;
}

h1, h2, .contact-lead {
  margin: 0;
  font-family: "Libre Baskerville", Georgia, serif;
  font-weight: 400;
}

h1 {
  display: block;
  font-size: clamp(4.5rem, 13.2vw, 12rem);
  line-height: 0.9;
  letter-spacing: -0.055em;
}

.hero-intro {
  max-width: 780px;
  margin: clamp(2.5rem, 5vw, 4rem) 0 0;
  color: var(--accent);
  font-family: "Libre Baskerville", Georgia, serif;
  font-size: clamp(1.35rem, 2.5vw, 2.1rem);
  line-height: 1.25;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 2rem;
}

.social-links a { position: relative; font-size: 0.75rem; }

.scroll-cue {
  position: absolute;
  bottom: 2.5rem;
  right: var(--side);
  z-index: 2;
  color: var(--muted);
  font-size: 0.7rem;
  writing-mode: vertical-rl;
}

.scroll-cue span {
  display: inline-block;
  margin-top: 0.75rem;
  color: var(--accent);
  animation: bob 1.8s ease-in-out infinite;
}

.section {
  padding: clamp(7rem, 12vw, 11rem) var(--side);
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(160px, 0.7fr) minmax(0, 2fr);
  gap: 2rem;
  margin-bottom: clamp(4rem, 8vw, 7rem);
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

h2 {
  max-width: 900px;
  font-size: clamp(3rem, 7vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: -0.035em;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(250px, 0.7fr);
  gap: clamp(4rem, 10vw, 10rem);
  margin-left: min(23vw, 300px);
}

.about-copy { max-width: 720px; }

.about-copy p {
  margin: 0 0 1.5rem;
  color: rgba(246, 244, 236, 0.84);
  font-family: "Libre Baskerville", Georgia, serif;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  line-height: 1.45;
}

.about-copy strong { color: var(--accent); font-weight: 400; }
.details { border-top: 1px solid var(--line); }

.details div {
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
}

.details span {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--accent);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.details p {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
}

.experience-list, .projects-list { border-top: 1px solid var(--line); }

.experience-item {
  display: grid;
  grid-template-columns: minmax(160px, 0.7fr) minmax(0, 2fr);
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
}

.experience-date {
  margin: 0;
  color: var(--muted);
  font-size: 0.68rem;
}

.experience-item h3,
.experience-item h2,
.project h3,
.project h2 {
  margin: 0;
  font-family: "Libre Baskerville", Georgia, serif;
  font-size: clamp(1.5rem, 2.6vw, 2.25rem);
  font-weight: 400;
  line-height: 1.1;
}

.experience-item h3 span,
.experience-item h2 span { color: var(--accent); font-style: italic; }

.experience-item div > p {
  max-width: 660px;
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.project {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1.7fr) minmax(150px, 0.7fr) 2rem;
  gap: 1.5rem;
  align-items: center;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--line);
  transition: padding 250ms ease, color 250ms ease, background 250ms ease;
}

.project:hover {
  padding-right: 1.25rem;
  padding-left: 1.25rem;
  color: var(--accent);
  background: var(--hover-tint);
}

.project-number, .project-meta {
  color: var(--muted);
  font-size: 0.65rem;
}

.project p {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.74rem;
}

.arrow {
  justify-self: end;
  font-size: 1.4rem;
  transition: transform 250ms ease;
}

.project:hover .arrow { transform: translate(0.25rem, -0.25rem); }

.contact {
  min-height: 75vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-lead {
  margin: 2.5rem 0 3.5rem;
  font-size: clamp(3rem, 7.5vw, 7.5rem);
  line-height: 0.95;
  letter-spacing: -0.035em;
}

.contact-link {
  width: fit-content;
  padding-bottom: 0.2rem;
  border-bottom: 1px solid var(--accent);
  color: var(--accent);
  font-family: "Libre Baskerville", Georgia, serif;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
}

.contact-link span {
  display: inline-block;
  transition: transform 250ms ease;
}

.contact-link:hover span { transform: translate(0.25rem, -0.25rem); }

footer {
  display: flex;
  justify-content: space-between;
  padding: 2rem var(--side);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.65rem;
}

footer p { margin: 0; }
footer a:hover { color: var(--accent); }

.reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.visible { opacity: 1; transform: none; }

@keyframes bob { 50% { transform: translateY(0.5rem); } }

.home-page {
  height: 100svh;
  overflow: hidden;
}

.inner-page {
  min-height: 100svh;
}

.page-main {
  min-height: calc(100svh - 80px);
  padding: clamp(9rem, 14vw, 13rem) var(--side) clamp(6rem, 10vw, 9rem);
}

.page-heading {
  display: grid;
  grid-template-columns: minmax(160px, 0.7fr) minmax(0, 2fr);
  gap: 1.5rem 2rem;
  margin-bottom: clamp(4rem, 8vw, 7rem);
}

.page-title {
  display: block;
  max-width: 1000px;
  font-size: clamp(4rem, 9vw, 8.5rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
}

.page-intro {
  grid-column: 2;
  max-width: 620px;
  margin: 1rem 0 0;
  color: var(--muted);
  font-family: "Libre Baskerville", Georgia, serif;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  line-height: 1.35;
}

.page-main .experience-list,
.page-main .projects-list {
  /* no entrance hide — always visible */
}

@keyframes page-in {
  from { opacity: 0; transform: translateY(1.5rem); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 760px) {
  .site-header { padding-top: 1.35rem; padding-bottom: 1.35rem; }
  nav { gap: 0.85rem; }
  .nav-link { font-size: 0.62rem; }
  .hero { align-items: flex-end; padding-bottom: 8rem; }
  h1 { font-size: clamp(4.2rem, 23vw, 7rem); line-height: 0.82; }
  .hero-intro { max-width: 90%; }
  .scroll-cue { display: none; }
  .section-heading, .experience-item, .page-heading { grid-template-columns: 1fr; gap: 1rem; }
  .page-intro { grid-column: 1; }
  .page-main { padding-top: 8rem; }
  .page-title { font-size: clamp(3.4rem, 18vw, 5.5rem); }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; margin-left: 0; }
  .project { grid-template-columns: 2rem minmax(0, 1fr) 1.5rem; gap: 0.75rem; }
  .project-meta { display: none; }
  .project h3 { font-size: 1.45rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}