/* ============================================
   Jere C. Julian, Jr. — Executive Bio
   Palette: deep navy + warm brass on parchment ivory
   Type: DM Serif Display (headings) / Source Sans 3 (body)
   ============================================ */

/* ---------- Reset / Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 240ms ease, color 240ms ease;
}

img, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"] { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-wrap: balance;
  line-height: 1.1;
  color: var(--color-text);
  font-weight: 400;
}

p, li { text-wrap: pretty; }

a { color: inherit; text-decoration: none; }

::selection { background: color-mix(in oklab, var(--color-accent) 30%, transparent); }

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

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

/* ---------- Design Tokens ---------- */
:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.84rem + 0.2vw, 0.9375rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.4vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --text-2xl: clamp(2rem, 1.5rem + 2vw, 3.25rem);
  --text-hero: clamp(2.75rem, 2rem + 3.5vw, 4.75rem);

  /* Spacing (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --content-narrow: 640px;
  --content-default: 780px;
  --content-wide: 1180px;

  --font-display: 'DM Serif Display', 'Georgia', serif;
  --font-body: 'Source Sans 3', 'Helvetica Neue', Arial, sans-serif;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;

  --shadow-sm: 0 1px 2px rgba(20, 24, 31, 0.06);
  --shadow-md: 0 8px 24px rgba(20, 24, 31, 0.08);
  --shadow-lg: 0 20px 48px rgba(20, 24, 31, 0.14);
}

/* ---------- Color: Light (default) ---------- */
:root, [data-theme="light"] {
  --color-bg: #F6F3EC;
  --color-surface: #FFFFFE;
  --color-surface-2: #FBF8F1;
  --color-border: #DFD8C7;
  --color-divider: #E7E1D3;

  --color-text: #1B222E;
  --color-text-muted: #565F6E;
  --color-text-faint: #8A8F79;

  --color-navy: #16324A;
  --color-navy-deep: #0E2135;
  --color-accent: #A9752E;
  --color-accent-hover: #8C5F22;
  --color-accent-highlight: #EFE2C9;

  --color-inverse-text: #F3EEDF;
}

[data-theme="dark"] {
  --color-bg: #12161D;
  --color-surface: #181D26;
  --color-surface-2: #1D232D;
  --color-border: #2B3240;
  --color-divider: #262C37;

  --color-text: #E9E4D4;
  --color-text-muted: #A3A8AE;
  --color-text-faint: #6B7078;

  --color-navy: #C7D4DF;
  --color-navy-deep: #0A0F16;
  --color-accent: #D6A758;
  --color-accent-hover: #E6BE76;
  --color-accent-highlight: #33291A;

  --color-inverse-text: #12161D;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.5);
}

/* ---------- Layout helpers ---------- */
.wrap {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}
.wrap--narrow { max-width: var(--content-default); }

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}
.section--tight { padding-block: clamp(var(--space-10), 5vw, var(--space-16)); }

.section-head {
  margin-bottom: clamp(var(--space-8), 4vw, var(--space-12));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--color-accent);
}

.section-title {
  font-size: var(--text-xl);
  margin-top: var(--space-3);
}

.lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 46ch;
  margin-top: var(--space-4);
  font-family: var(--font-body);
}

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-divider);
  transition: transform 280ms cubic-bezier(0.16, 1, 0.3, 1), box-shadow 280ms ease, background-color 240ms ease, border-color 240ms ease;
}
.header--hidden { transform: translateY(-100%); }
.header--scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: 0.01em;
}
.brand svg { width: 34px; height: 34px; }

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav-links {
  display: flex;
  gap: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.nav-links a {
  position: relative;
  padding-block: var(--space-1);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-links a:hover, .nav-links a:focus-visible { color: var(--color-text); }
.nav-links a:hover::after, .nav-links a:focus-visible::after { transform: scaleX(1); }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.theme-toggle:hover { color: var(--color-accent); border-color: var(--color-accent); }
.theme-toggle svg { width: 17px; height: 17px; }

.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 18px; height: 18px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(var(--space-20), 10vw, var(--space-32)) clamp(var(--space-16), 8vw, var(--space-24));
  overflow: hidden;
}

.hero-chart {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
  pointer-events: none;
}
[data-theme="dark"] .hero-chart { opacity: 0.4; }

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-10);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--space-5);
}
.hero-eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--color-accent);
}

.hero h1 {
  font-size: var(--text-hero);
  letter-spacing: -0.01em;
}

.hero-titles {
  margin-top: var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-navy);
  font-weight: 600;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
}
[data-theme="dark"] .hero-titles { color: var(--color-accent); }
.hero-titles .sep { color: var(--color-accent); font-weight: 400; }

.hero-lede {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 62ch;
}

.hero-meta {
  margin-top: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5) var(--space-8);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.hero-meta li {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.hero-meta svg { width: 15px; height: 15px; color: var(--color-accent); flex-shrink: 0; }
.hero-meta a:hover { color: var(--color-accent); }

.hero-cta {
  margin-top: var(--space-10);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform var(--transition-interactive, 180ms ease), box-shadow 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}
.btn svg { width: 15px; height: 15px; }
.btn--primary {
  background: var(--color-navy);
  color: var(--color-inverse-text);
  box-shadow: var(--shadow-sm);
}
[data-theme="dark"] .btn--primary { background: var(--color-accent); color: var(--color-navy-deep); }
.btn--primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--ghost {
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.btn--ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* ---------- Stat band ---------- */
.stats {
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface-2);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  padding-block: var(--space-10);
}
.stat-num {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-navy);
  line-height: 1;
}
[data-theme="dark"] .stat-num { color: var(--color-accent); }
.stat-label {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
  max-width: 20ch;
}

/* ---------- Overview ---------- */
.overview-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-16);
  align-items: start;
}
.overview-copy p + p { margin-top: var(--space-5); }
.overview-copy p { color: var(--color-text); font-size: var(--text-base); max-width: 60ch; }
.overview-copy strong { color: var(--color-navy); font-weight: 600; }
[data-theme="dark"] .overview-copy strong { color: var(--color-accent); }

.pull-note {
  border-left: 2px solid var(--color-accent);
  padding-left: var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-navy);
  line-height: 1.4;
}
[data-theme="dark"] .pull-note { color: var(--color-accent); }

/* ---------- Competencies ---------- */
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.pill {
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full, 999px);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  background: var(--color-surface);
}

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
  border-left: 1px solid var(--color-divider);
  padding-left: var(--space-8);
  display: grid;
  gap: var(--space-10);
  list-style: none;
}
.timeline-item { position: relative; list-style: none; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-8) - 5px);
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-bg);
}
.timeline-role {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
}
.timeline-dates {
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
  margin-top: var(--space-1);
}
.timeline-body { margin-top: var(--space-3); color: var(--color-text-muted); max-width: 66ch; }
.timeline-body li { margin-top: var(--space-2); padding-left: var(--space-5); position: relative; }
.timeline-body li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.65em;
  width: 5px; height: 5px;
  background: var(--color-accent);
  border-radius: 50%;
}

.earlier-career {
  margin-top: var(--space-12);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-divider);
}
.earlier-career h3 {
  font-size: var(--text-base);
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.earlier-career p { color: var(--color-text-muted); max-width: 70ch; }

/* ---------- Board & Governance ---------- */
.board-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}
.board-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.board-card h3 {
  font-size: var(--text-lg);
  font-family: var(--font-display);
}
.board-card .role-dates {
  font-size: var(--text-xs);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  margin-top: var(--space-1);
}
.board-card p { margin-top: var(--space-4); color: var(--color-text-muted); }

/* ---------- Personal ---------- */
.personal-wrap {
  background: var(--color-navy);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-10), 6vw, var(--space-16));
  color: var(--color-inverse-text);
  position: relative;
  overflow: hidden;
}
[data-theme="dark"] .personal-wrap { background: var(--color-surface-2); border: 1px solid var(--color-border); color: var(--color-text); }
.personal-motif {
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 260px;
  height: 260px;
  opacity: 0.16;
  pointer-events: none;
}
.personal-wrap h2 { color: var(--color-inverse-text); }
[data-theme="dark"] .personal-wrap h2 { color: var(--color-text); }
.personal-wrap p {
  margin-top: var(--space-5);
  max-width: 62ch;
  font-size: var(--text-lg);
  color: color-mix(in oklab, var(--color-inverse-text) 88%, transparent);
  position: relative;
  z-index: 1;
}
[data-theme="dark"] .personal-wrap p { color: var(--color-text-muted); }
.personal-tags {
  margin-top: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  position: relative;
  z-index: 1;
}
.personal-tags .pill {
  border-color: color-mix(in oklab, var(--color-inverse-text) 30%, transparent);
  color: var(--color-inverse-text);
  background: transparent;
}
[data-theme="dark"] .personal-tags .pill { color: var(--color-text-muted); border-color: var(--color-border); }

/* ---------- Education ---------- */
.edu-list { display: grid; gap: var(--space-6); }
.edu-item { display: flex; gap: var(--space-5); align-items: flex-start; }
.edu-item svg { width: 20px; height: 20px; color: var(--color-accent); flex-shrink: 0; margin-top: 3px; }
.edu-item p { color: var(--color-text-muted); }
.edu-item strong { color: var(--color-text); font-weight: 600; }

/* ---------- Footer / Contact ---------- */
.footer {
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface-2);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-10);
  align-items: start;
}
.footer h2 { font-size: var(--text-xl); }
.footer .lede { margin-top: var(--space-3); }
.footer-contact {
  display: grid;
  gap: var(--space-4);
}
.footer-contact a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-base);
}
.footer-contact svg { width: 17px; height: 17px; color: var(--color-accent); }
.footer-contact a:hover { color: var(--color-accent); }

.footer-contact-col { display: grid; gap: var(--space-8); }

/* ---------- Contact form (Formspree) ---------- */
.contact-form {
  display: grid;
  gap: var(--space-4);
}
.form-row {
  display: grid;
  gap: var(--space-2);
}
.form-row label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
}
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}
.contact-form textarea { resize: vertical; min-height: 6.5rem; line-height: 1.5; }
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--color-text-faint); }
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-accent) 22%, transparent);
}
.contact-form [data-fs-field][aria-invalid="true"] { border-color: #A13544; }
.contact-form button[type="submit"] { align-self: flex-start; }

/* Honeypot — hidden from sighted users and keyboard nav, still in the DOM for bots */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  overflow: hidden;
}

/* Formspree AJAX status elements (useDefaultStyles: false, styled to match design system) */
[data-fs-error],
[data-fs-success] { display: none; }

[data-fs-error][data-fs-active] {
  display: block;
  color: #A13544;
  font-size: var(--text-sm);
}
[data-fs-error=""][data-fs-active] {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2);
  background: color-mix(in oklab, #A13544 12%, var(--color-surface));
  border: 1px solid color-mix(in oklab, #A13544 35%, transparent);
}
[data-fs-error]:not([data-fs-error=""])[data-fs-active] {
  margin-top: -0.25rem;
}
[data-fs-success][data-fs-active] {
  display: block;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  background: color-mix(in oklab, var(--color-accent) 16%, var(--color-surface));
  border: 1px solid color-mix(in oklab, var(--color-accent) 40%, transparent);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 600;
}

.footer-bottom {
  margin-top: var(--space-16);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ---------- Reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 640ms cubic-bezier(0.16, 1, 0.3, 1), transform 640ms cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .overview-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .board-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.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;
}
.sr-only:focus {
  position: fixed;
  top: var(--space-3);
  left: var(--space-3);
  width: auto; height: auto;
  padding: var(--space-3) var(--space-5);
  background: var(--color-navy);
  color: var(--color-inverse-text);
  border-radius: var(--radius-md);
  z-index: 100;
  clip: auto;
}

@media (max-width: 700px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    gap: var(--space-1);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-divider);
    padding: var(--space-4) var(--space-6);
  }
  .nav-links--open { display: flex !important; }
  .nav-toggle { display: inline-flex; }
  .hero-meta { gap: var(--space-3) var(--space-6); }
  .header { position: sticky; }
}

@media (max-width: 560px) {
  .stats-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); padding-block: var(--space-8); }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
}