:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(1.625rem, 1.15rem + 1.7vw, 2.5rem);

  --space-1: .25rem; --space-2: .5rem; --space-3: .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;

  --radius-sm: .25rem; --radius-md: .375rem; --radius-lg: .5rem; --radius-full: 9999px;
  --transition-interactive: 180ms cubic-bezier(.16,1,.3,1);

  --content-narrow: 660px;
  --content-default: 1080px;

  --font-display: 'Playfair Display', 'PT Serif', Georgia, serif;
  --font-body: 'Manrope', 'Helvetica Neue', sans-serif;
}

:root, [data-theme="light"] {
  --color-bg: #f7f6f3;
  --color-surface: #ffffff;
  --color-surface-2: #f1efea;
  --color-border: #ddd9d1;
  --color-divider: #e6e3dc;
  --color-text: #171c26;
  --color-text-muted: #5d6472;
  --color-text-faint: #9aa0ab;
  --color-text-inverse: #f7f6f3;
  --color-primary: #1b2a44;
  --color-primary-hover: #263a5c;
  --color-accent: #9a7420;
  --color-accent-soft: #efe6d2;
  --shadow-sm: 0 1px 2px rgba(23,28,38,.06);
  --shadow-md: 0 6px 24px rgba(23,28,38,.08);
}

[data-theme="dark"] {
  --color-bg: #12151c;
  --color-surface: #181c25;
  --color-surface-2: #1d2230;
  --color-border: #2c3242;
  --color-divider: #232937;
  --color-text: #dfe2e8;
  --color-text-muted: #98a0b0;
  --color-text-faint: #6b7280;
  --color-text-inverse: #12151c;
  --color-primary: #c6d3ea;
  --color-primary-hover: #e0e8f6;
  --color-accent: #d5ab52;
  --color-accent-soft: #2b2a20;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
  --shadow-md: 0 8px 28px rgba(0,0,0,.45);
}

*, *::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: var(--space-20);
}

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

img, svg { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { text-wrap: balance; line-height: 1.18; font-weight: 600; }
p { text-wrap: pretty; }
a { color: inherit; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }

a, button { transition: color var(--transition-interactive), background var(--transition-interactive), border-color var(--transition-interactive); }

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

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

.shell {
  width: min(100% - var(--space-10), var(--content-default));
  margin-inline: auto;
}

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
}
.header__inner {
  display: flex; align-items: center; gap: var(--space-6);
  min-height: 76px; padding-block: var(--space-3);
}
.brand { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; color: var(--color-primary); }
.brand__mark { flex: none; color: var(--color-primary); }
.brand__abbr {
  display: block; font-family: var(--font-display); font-size: 1.15rem;
  font-weight: 700; letter-spacing: .06em; color: var(--color-text);
}
.brand__sub {
  display: block; font-size: .6875rem; line-height: 1.35;
  color: var(--color-text-muted); letter-spacing: .02em;
}
.nav { margin-left: auto; display: flex; gap: var(--space-6); }
.nav a {
  font-size: var(--text-sm); text-decoration: none; color: var(--color-text-muted);
  padding-block: var(--space-1); border-bottom: 1px solid transparent;
}
.nav a:hover { color: var(--color-text); border-bottom-color: var(--color-accent); }

.theme-toggle {
  flex: none; display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: var(--radius-full);
  border: 1px solid var(--color-border); color: var(--color-text-muted);
}
.theme-toggle:hover { color: var(--color-text); border-color: var(--color-accent); }

/* ---------- Hero ---------- */
.hero { position: relative; padding-block: clamp(var(--space-16), 9vw, var(--space-32)) var(--space-16); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, var(--color-divider) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-divider) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: radial-gradient(ellipse 70% 70% at 75% 25%, #000 0%, transparent 75%);
  opacity: .7;
}
.hero__inner { position: relative; max-width: 900px; }
.eyebrow {
  font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .16em;
  color: var(--color-accent); font-weight: 600; margin-bottom: var(--space-5);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600; letter-spacing: -.01em;
  color: var(--color-text);
  max-width: 24ch;
}
.hero__abbr {
  margin-top: var(--space-4);
  font-family: var(--font-display); font-size: var(--text-lg);
  color: var(--color-accent); letter-spacing: .04em;
}
.lede {
  margin-top: var(--space-5); max-width: 60ch;
  font-size: var(--text-base); color: var(--color-text-muted);
}
.hero__actions { margin-top: var(--space-8); display: flex; flex-wrap: wrap; gap: var(--space-3); }
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-sm); font-weight: 600; text-decoration: none;
  padding: var(--space-3) var(--space-6); border-radius: var(--radius-sm);
  border: 1px solid transparent;
}
.btn--primary { background: var(--color-primary); color: var(--color-text-inverse); }
.btn--primary:hover { background: var(--color-primary-hover); }
.btn--ghost { border-color: var(--color-border); color: var(--color-text); }
.btn--ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }
.hero__rule { height: 1px; background: var(--color-divider); margin-top: var(--space-16); }

/* ---------- Sections ---------- */
.section { padding-block: clamp(var(--space-16), 7vw, var(--space-24)); }
.section--alt { background: var(--color-surface-2); border-block: 1px solid var(--color-divider); }
.section__head {
  display: flex; align-items: baseline; gap: var(--space-4);
  padding-bottom: var(--space-5); margin-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-divider);
}
.section__num {
  font-size: var(--text-xs); font-weight: 600; letter-spacing: .14em;
  color: var(--color-accent);
}
.section__title {
  font-family: var(--font-display); font-size: var(--text-xl);
  font-weight: 600; color: var(--color-text);
}

/* ---------- Feed ---------- */
.feed { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.post {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex; flex-direction: column; gap: var(--space-4);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.post:hover { border-color: color-mix(in srgb, var(--color-accent) 55%, var(--color-border)); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.post--lead { grid-column: 1 / -1; }
.post__meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); }
.post__meta time { font-size: var(--text-xs); color: var(--color-text-faint); letter-spacing: .06em; text-transform: uppercase; }
.tag {
  font-size: .6875rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: var(--color-accent); background: var(--color-accent-soft);
  padding: .25rem .625rem; border-radius: var(--radius-full);
}
.post__title {
  font-family: var(--font-display); font-size: var(--text-lg);
  font-weight: 600; color: var(--color-text); max-width: 46ch;
}
.post--lead .post__title { font-size: clamp(1.375rem, 1rem + 1.2vw, 1.875rem); }
.post p { color: var(--color-text-muted); max-width: 68ch; }
.post__link {
  margin-top: auto; align-self: flex-start;
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-sm); font-weight: 600; text-decoration: none;
  color: var(--color-text); border-bottom: 1px solid var(--color-accent);
  padding-bottom: 2px;
}
.post__link:hover { color: var(--color-accent); }

.stats {
  list-style: none; display: flex; flex-wrap: wrap; gap: var(--space-8);
  padding: var(--space-5) 0; border-block: 1px solid var(--color-divider);
}
.stats li { display: flex; flex-direction: column; gap: var(--space-1); }
.stats__n { font-family: var(--font-display); font-size: 1.75rem; font-weight: 700; color: var(--color-text); line-height: 1; }
.stats__l { font-size: var(--text-xs); color: var(--color-text-muted); max-width: 22ch; }

/* ---------- About ---------- */
.about-text { max-width: var(--content-narrow); margin-bottom: var(--space-12); }
.pull {
  font-family: var(--font-display); font-size: var(--text-lg);
  color: var(--color-text); margin-bottom: var(--space-4);
  padding-left: var(--space-5); border-left: 2px solid var(--color-accent);
}
.about-text p:not(.pull) { color: var(--color-text-muted); }

.people { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.person {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-8);
  display: flex; flex-direction: column; gap: var(--space-5);
  box-shadow: var(--shadow-sm);
}
.person img {
  width: 132px; height: 132px; object-fit: cover; object-position: center top;
  border-radius: var(--radius-md);
  filter: grayscale(1) contrast(1.03);
  border: 1px solid var(--color-border);
}
.person__role {
  font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .12em;
  font-weight: 600; color: var(--color-accent); margin-bottom: var(--space-2);
}
.person__name { font-family: var(--font-display); font-size: var(--text-lg); margin-bottom: var(--space-3); }
.person__body p:not(.person__role) { color: var(--color-text-muted); font-size: var(--text-sm); }
.person__body p + p { margin-top: var(--space-3); }

/* ---------- Details ---------- */
.details { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--color-divider); border: 1px solid var(--color-divider); border-radius: var(--radius-lg); overflow: hidden; }
.details > div { background: var(--color-bg); padding: var(--space-6); }
.details__wide { grid-column: 1 / -1; }
.details dt {
  font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .1em;
  color: var(--color-text-faint); font-weight: 600; margin-bottom: var(--space-2);
}
.details dd { font-size: var(--text-sm); color: var(--color-text); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--color-divider); background: var(--color-surface-2); padding-block: var(--space-10); }
.footer__inner { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--space-3); }
.footer__name { font-family: var(--font-display); font-weight: 700; letter-spacing: .05em; }
.footer__meta { font-size: var(--text-xs); color: var(--color-text-muted); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s cubic-bezier(.16,1,.3,1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .feed, .people, .details { grid-template-columns: 1fr; }
  .details > div { border: none; }
}
@media (max-width: 720px) {
  .header__inner { flex-wrap: wrap; min-height: 0; row-gap: var(--space-3); }
  .brand__sub { display: none; }
  .nav { margin-left: 0; order: 3; width: 100%; gap: var(--space-5); border-top: 1px solid var(--color-divider); padding-top: var(--space-3); }
  .theme-toggle { margin-left: auto; }
  .hero h1 { max-width: none; }
  .post, .person { padding: var(--space-6); }
  .stats { gap: var(--space-5); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}