/* Adytum et Ratio — minimalist site
   Logo-first, tabbed navigation, generous whitespace.
*/

:root {
  --ink: #1A1A1F;
  --parchment: #F8F4EB;
  --antique-blue: #1B3A5C;
  --stone: #8C8478;
  --mist: #E8E2D4;

  --font-serif: "DM Serif Display", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --gutter: clamp(1.25rem, 4vw, 2.5rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  background: var(--parchment);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: 0.005em;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--antique-blue);
  text-decoration: none;
}

a:hover,
a:focus-visible {
  color: var(--ink);
}

/* ---------- Header / Tabs ---------- */

.site-header {
  padding: 1.75rem 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.logo-link svg {
  width: 44px;
  height: 44px;
  display: block;
}

/* Wordmark variant — used in the index header.
   Wider, text-form mark (Adytum et Ratio in DM Serif Display). */
.logo-link.is-wordmark svg {
  width: clamp(190px, 22vw, 240px);
  height: auto;
}

.tabs {
  display: flex;
  gap: clamp(1.25rem, 3vw, 2.75rem);
}

.tabs a {
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.005em;
  color: var(--stone);
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}

.tabs a em { font-style: italic; }

.tabs a:hover,
.tabs a:focus-visible {
  color: var(--ink);
}

.tabs a.is-active {
  color: var(--ink);
  border-bottom-color: var(--antique-blue);
}

/* ---------- Layout ---------- */

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

main {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
}

/* ---------- Home ---------- */

.home {
  flex: 1 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: clamp(3rem, 10vh, 7rem) var(--gutter);
}

.home-seal {
  width: clamp(180px, 32vw, 280px);
  height: auto;
  margin: 0 auto 2.5rem;
  display: block;
}

.home-tagline {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.4rem, 2.6vw, 1.85rem);
  letter-spacing: 0.005em;
  color: var(--ink);
  margin: 0;
  line-height: 1.35;
}

.home-tagline em {
  font-style: italic;
}

/* ---------- Page content ---------- */

.page {
  padding: clamp(3rem, 9vh, 6rem) 0 clamp(4rem, 10vh, 7rem);
}

.page-eyebrow {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
  margin: 0 0 1.25rem;
}

.page-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2rem, 4.4vw, 3rem);
  line-height: 1.1;
  letter-spacing: 0.005em;
  margin: 0 0 2rem;
}

.page-title em {
  font-style: italic;
}

.rule {
  width: 56px;
  height: 1px;
  background: var(--antique-blue);
  border: none;
  margin: 0 0 2.25rem;
}

.lede {
  font-size: 1.15rem;
  line-height: 1.55;
  margin: 0;
  color: var(--ink);
  /* No max-width — lede spans the container so it stays on one line
     when there's room, wrapping only when the viewport forces it. */
}

/* ---------- Practice ---------- */

.pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  margin-top: 3rem;
}

@media (min-width: 720px) {
  .pillars {
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(2rem, 4vw, 3rem);
  }
}

.pillar {
  border-top: 1px solid var(--antique-blue);
  padding-top: 1.25rem;
}

.pillar h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
  letter-spacing: 0.005em;
}

.pillar p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink);
}

/* ---------- Name ---------- */

.terms {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-top: 2.5rem;
}

@media (min-width: 720px) {
  .terms {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.term .latin {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 2rem;
  color: var(--antique-blue);
  display: block;
  margin: 0 0 0.25rem;
  line-height: 1;
}

.term .gloss {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
  display: block;
  margin-bottom: 1rem;
}

.term p {
  margin: 0 0 0.9rem;
  font-size: 0.98rem;
  line-height: 1.6;
}

.term p:last-child { margin-bottom: 0; }

/* ---------- Principal ---------- */

/* Who page editorial layout — portrait left, bio right */
.who-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 760px) {
  .who-layout {
    grid-template-columns: minmax(220px, 300px) 1fr;
    gap: clamp(2.5rem, 5vw, 4.5rem);
  }
}

.who-portrait {
  margin: 0;
}

.who-portrait img {
  display: block;
  width: 100%;
  height: auto;
}

.principal-name {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2rem, 4.4vw, 3rem);
  letter-spacing: 0.005em;
  line-height: 1.1;
  margin: 0 0 0.4rem;
}

.principal-role {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
  margin: 0 0 2rem;
}

.principal-bio p {
  margin: 0 0 1.1rem;
  font-size: 1rem;
  line-height: 1.65;
  max-width: 60ch;
}

.principal-bio p:last-child {
  margin-bottom: 0;
}

/* ---------- Contact ---------- */

.contact-block {
  text-align: left;
}

.contact-email {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  color: var(--antique-blue);
  letter-spacing: 0.005em;
  display: inline-block;
}

.contact-email:hover,
.contact-email:focus-visible {
  color: var(--ink);
}

/* Inquiries — paired contact addresses (speaking & advisory) */
.inquiry-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 1rem;
}

@media (min-width: 720px) {
  .inquiry-pair {
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 4vw, 3.5rem);
  }
}

.inquiry-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 0.6rem;
}

.inquiry .contact-email {
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 2rem 0;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
}

.site-footer .container {
  display: flex;
  justify-content: center;
  text-align: center;
}

/* ---------- Utilities ---------- */

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}