/* ============================================================
   Design tokens
   ============================================================ */
:root {
  --color-ink:         #14213D;
  --color-charcoal:    #2B2D34;
  --color-paper:       #FAF9F6;
  --color-paper-alt:   #F1EFE9;
  --color-accent:      #B08D57;
  --color-accent-text: #8C6B3F;
  --color-line:        #DAD6CC;
  --color-white:       #FFFFFF;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --fs-xs:  0.8125rem;
  --fs-sm:  0.9375rem;
  --fs-base: 1.0625rem;
  --fs-md:  1.25rem;
  --fs-lg:  1.75rem;
  --fs-xl:  2.75rem;
  --fs-xxl: 4.5rem;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --space-8: 9rem;

  --container-max: 1120px;
  --header-offset: 96px;
}

/* ============================================================
   Reset / base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-paper);
  color: var(--color-charcoal);
  font-size: var(--fs-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
ul, ol { padding: 0; margin: 0; }
a { color: inherit; }

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.2;
  margin: 0;
}

p { margin: 0; }

.mono-text { font-family: var(--font-display); }

/* ============================================================
   Accessibility helpers
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-ink);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  z-index: 200;
  border-radius: 0 0 6px 0;
  text-decoration: none;
  font-size: var(--fs-sm);
}

.skip-link:focus {
  left: 0;
}

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

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.7rem 1.4rem;
  border-radius: 6px;
  border: 1.5px solid transparent;
  font-size: var(--fs-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--color-ink);
  color: var(--color-white);
  border-color: var(--color-ink);
}
.btn-primary:hover { background: #0c1830; }

.btn-secondary {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}
.btn-secondary:hover { background: var(--color-ink); color: var(--color-white); }

.btn-outline {
  min-height: 40px;
  padding: 0.5rem 1.1rem;
  font-size: var(--fs-xs);
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-line);
}
.btn-outline:hover { border-color: var(--color-ink); }

/* ============================================================
   Header / navigation
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 249, 246, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-2) var(--space-4);
}

.monogram {
  display: inline-flex;
  color: var(--color-ink);
  flex-shrink: 0;
}
.monogram-mark { width: 40px; height: 40px; }

.primary-nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-5);
}

.primary-nav a {
  text-decoration: none;
  color: var(--color-charcoal);
  font-size: var(--fs-sm);
  font-weight: 500;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}

.primary-nav a:hover,
.primary-nav a.active {
  color: var(--color-ink);
  border-bottom-color: var(--color-accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.hamburger {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-line);
  border-radius: 6px;
  cursor: pointer;
  padding: 0;
}
.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  border-top: 1px solid var(--color-line);
  background: var(--color-paper);
}
.mobile-nav.is-open { display: block; }
.mobile-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  padding: var(--space-2) var(--space-4);
}
.mobile-nav a {
  display: block;
  padding: var(--space-3) 0;
  text-decoration: none;
  color: var(--color-ink);
  font-size: var(--fs-base);
  border-bottom: 1px solid var(--color-line);
}
.mobile-nav li:last-child a { border-bottom: none; }

/* ============================================================
   Sections (shared)
   ============================================================ */
section {
  padding: var(--space-6) var(--space-4);
  scroll-margin-top: var(--header-offset);
}

.band { background: var(--color-paper-alt); }

.section-inner {
  max-width: var(--container-max);
  margin: 0 auto;
}

h2 {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  color: var(--color-ink);
  margin-bottom: var(--space-5);
}

.prose {
  max-width: 70ch;
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--color-charcoal);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding: var(--space-7) var(--space-4) var(--space-6);
  scroll-margin-top: 0;
}

.hero-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: var(--space-6);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-accent-text);
  margin-bottom: var(--space-3);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  line-height: 1.05;
  color: var(--color-ink);
  margin-bottom: var(--space-3);
}

.hero-subhead {
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}

.hero-tagline {
  font-size: var(--fs-base);
  color: var(--color-charcoal);
  margin-bottom: var(--space-3);
}

.hero-location {
  font-size: var(--fs-sm);
  color: var(--color-charcoal);
  opacity: 0.7;
  margin-bottom: var(--space-5);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero-visual {
  display: none;
  position: relative;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-watermark {
  width: 100%;
  height: 100%;
  color: var(--color-ink);
  opacity: 0.08;
}

/* ============================================================
   Experience
   ============================================================ */
.experience-group + .experience-group {
  margin-top: var(--space-7);
}

.group-heading {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  color: var(--color-ink);
  margin-bottom: var(--space-4);
}

.timeline {
  list-style: none;
}

.timeline-company {
  position: relative;
  padding-left: 2rem;
  padding-bottom: var(--space-5);
  border-left: 2px solid var(--color-line);
}
.timeline-company:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.timeline-company-name {
  position: relative;
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-3);
}
.timeline-company-name::before {
  content: "";
  position: absolute;
  left: -2.4rem;
  top: 0.4rem;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-paper);
}
.band .timeline-company-name::before {
  box-shadow: 0 0 0 3px var(--color-paper-alt);
}

.timeline-role {
  margin-bottom: var(--space-3);
}
.timeline-role:last-child { margin-bottom: 0; }

.timeline-role h4 {
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--color-charcoal);
  margin-bottom: 0.2rem;
}

.timeline-meta {
  font-size: var(--fs-sm);
  color: var(--color-charcoal);
  opacity: 0.7;
}

/* ============================================================
   Cards (experience Group B + education)
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: 10px;
  padding: var(--space-5);
}
.band .card { background: var(--color-white); }

.card-icon { color: var(--color-accent); margin-bottom: var(--space-3); }

.card h4 {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  color: var(--color-ink);
  margin-bottom: 0.25rem;
}

.card-org {
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.card-note {
  margin-top: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--color-charcoal);
}

.card-grid-dense .card-compact {
  padding: var(--space-4);
}
.card-compact h4 {
  font-size: var(--fs-base);
  font-family: var(--font-body);
  font-weight: 600;
}

/* ============================================================
   Expertise
   ============================================================ */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.expertise-category h3 {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--fs-md);
  color: var(--color-ink);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-accent);
}

.expertise-category ul { list-style: none; }

.expertise-category li {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--color-line);
  font-size: var(--fs-sm);
}
.expertise-category li:last-child { border-bottom: none; }

/* ============================================================
   Contact / footer
   ============================================================ */
.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 480px;
  margin: var(--space-5) 0;
}

.contact-link {
  display: flex;
  flex-direction: column;
  padding: var(--space-4);
  border: 1px solid var(--color-line);
  border-radius: 10px;
  text-decoration: none;
  color: var(--color-ink);
  background: var(--color-white);
  transition: border-color 0.15s ease;
}
.contact-link:hover { border-color: var(--color-accent); }

.contact-label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-charcoal);
  opacity: 0.7;
  margin-bottom: 0.2rem;
}

.contact-value {
  font-size: var(--fs-base);
  font-weight: 600;
}

.site-footer {
  padding: var(--space-5) var(--space-4);
  text-align: center;
  font-size: var(--fs-xs);
  color: var(--color-charcoal);
  opacity: 0.7;
  border-top: 1px solid var(--color-line);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (min-width: 640px) {
  .hero-visual {
    display: flex;
    aspect-ratio: 21 / 9;
    max-height: 160px;
    margin: 0 auto;
  }
}

@media (min-width: 768px) {
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .primary-nav { display: block; }
  .hamburger { display: none; }
  .mobile-nav { display: none !important; }

  section { padding: var(--space-8) var(--space-4); }

  .hero-inner { grid-template-columns: 3fr 2fr; }
  .hero h1 { font-size: var(--fs-xxl); }
  .hero-visual {
    aspect-ratio: 4 / 5;
    max-height: none;
    height: 100%;
  }

  .expertise-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 1023px) {
  .primary-nav { display: none; }
  .hamburger { display: flex; }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hamburger span { transition: none; }
}