/* ============================================
   Tokens
   ============================================ */
:root {
  --color-bg: #FAF9F7;
  --color-bg-raised: #F2EFE9;
  --color-accent: #1F4E5F;
  --color-accent-dark: #16394570;
  --color-ink: #16222A;
  --color-muted: #5A6B70;
  --color-gold: #C9A24B;
  --color-line: #DDD7CB;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Public Sans", -apple-system, BlinkMacSystemFont, sans-serif;

  --measure: 62ch;
  --container: 72rem;

  --space-section: clamp(4rem, 9vw, 8rem);
  --nav-height: 4.5rem;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ============================================
   Reset
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

@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;
    scroll-behavior: auto !important;
  }
}

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--color-accent);
  color: var(--color-bg);
  padding: 0.75rem 1.25rem;
  border-radius: 4px;
  z-index: 200;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 1rem; }

/* ============================================
   Utility: label / eyebrow (small-caps stand-in)
   ============================================ */
.label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.9rem;
}
.label--accent { color: var(--color-accent); }
.label--center { text-align: center; }

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border-radius: 3px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  border: 1.5px solid transparent;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.2s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}
.btn--primary:hover { background: #163d4a; border-color: #163d4a; }

.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-line);
}
.btn--ghost:hover { border-color: var(--color-accent); background: #1f4e5f0d; }

.btn--large { padding: 1rem 2rem; font-size: 1rem; }

.btn--nav {
  padding: 0.6rem 1.25rem;
  font-size: 0.85rem;
}

/* ============================================
   Nav
   ============================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 249, 247, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}

.site-nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  height: var(--nav-height);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-nav__wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-ink);
  letter-spacing: 0.01em;
  flex-shrink: 0;
}

.site-nav__links {
  display: none;
  gap: 2rem;
  align-items: center;
}

.site-nav__link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-muted);
  transition: color 0.2s var(--ease);
  position: relative;
  padding: 0.25rem 0;
}
.site-nav__link:hover { color: var(--color-accent); }
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1.5px;
  background: var(--color-gold);
  transition: width 0.25s var(--ease);
}
.site-nav__link:hover::after { width: 100%; }

.site-nav__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
}
.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
  margin: 0 auto;
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-menu {
  max-height: 0;
  overflow: hidden;
  background: var(--color-bg);
  border-top: 1px solid transparent;
  transition: max-height 0.3s var(--ease), border-color 0.3s var(--ease);
}
.mobile-menu.is-open {
  max-height: 20rem;
  border-top: 1px solid var(--color-line);
}
.mobile-menu__link {
  display: block;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-line);
}

@media (min-width: 860px) {
  .site-nav__links { display: flex; }
  .hamburger { display: none; }
  .mobile-menu { display: none; }
}

/* ============================================
   Section rhythm
   ============================================ */
.section {
  padding-block: var(--space-section);
  border-bottom: 1px solid var(--color-line);
}
.section__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: 1.25rem;
}
.section__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.15;
  color: var(--color-ink);
  margin-bottom: 1.5rem;
}
.section__title--center { text-align: center; }
.section__subtitle {
  color: var(--color-muted);
  font-size: 1.05rem;
  margin-top: -0.75rem;
  margin-bottom: 2.5rem;
}

/* Scroll reveal — hidden state only applies once JS confirms it can reveal again */
html.has-js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
html.has-js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  padding-block: clamp(4.5rem, 14vw, 9rem) clamp(3.5rem, 10vw, 6rem);
  border-bottom: 1px solid var(--color-line);
}
.hero__inner {
  max-width: 46rem;
  margin: 0 auto;
  padding-inline: 1.25rem;
  text-align: center;
}
.hero__headline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.1rem, 5.4vw, 3.1rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  max-width: 30ch;
  margin: 0 auto 1.5rem;
}
.hero__sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--color-muted);
  max-width: 42ch;
  margin: 0 auto 2.5rem;
  line-height: 1.65;
}
.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  align-items: center;
}
@media (min-width: 540px) {
  .hero__actions { flex-direction: row; justify-content: center; }
}

/* ============================================
   About
   ============================================ */
.about__prose {
  max-width: var(--measure);
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}
.about__prose p {
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--color-ink);
}

/* ============================================
   Experience — signature timeline
   ============================================ */
.timeline {
  position: relative;
  max-width: 42rem;
  padding-left: 2.25rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 0.3rem;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-accent) 85%, transparent);
}
.timeline__item {
  position: relative;
  padding-bottom: 3rem;
}
.timeline__item:last-child { padding-bottom: 0; }

.timeline__dot {
  position: absolute;
  left: -2.25rem;
  top: 0.35rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 0 4px var(--color-bg), 0 0 0 5px var(--color-line);
}
.timeline__item:last-child .timeline__dot {
  box-shadow: 0 0 0 4px var(--color-bg), 0 0 0 5px var(--color-gold);
}

.timeline__date {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.4rem;
}
.timeline__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--color-ink);
  margin-bottom: 0.55rem;
}
.timeline__body {
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.65;
  max-width: 40ch;
}

/* ============================================
   Skills
   ============================================ */
.skills__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 760px) {
  .skills__grid { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
}

.skills__heading {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--color-accent);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--color-gold);
  display: inline-block;
}
.skills__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.skills__list li {
  color: var(--color-ink);
  font-size: 0.98rem;
  line-height: 1.5;
  padding-left: 1rem;
  position: relative;
}
.skills__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
}
.skills__extra {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 0.95rem;
}

/* ============================================
   Contact
   ============================================ */
.contact { border-bottom: none; }
.contact .section__inner {
  max-width: 36rem;
  text-align: center;
}
.contact__line {
  color: var(--color-muted);
  font-size: 1.05rem;
  margin-bottom: 2.25rem;
}
.contact__actions {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  align-items: center;
}
@media (min-width: 540px) {
  .contact__actions { flex-direction: row; justify-content: center; }
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  padding: 2.5rem 1.25rem;
  text-align: center;
}
.site-footer p {
  font-size: 0.85rem;
  color: var(--color-muted);
}