:root {
  --ink: #17191c;
  --paper: #f7f8fa;
  --white: #ffffff;
  --muted: #62645f;
  --line: rgba(23, 25, 28, 0.2);
  --opta-red: #ef312b;
  --pa-blue: #153e67;
  --pa-paper: #edf2f5;
  --epyc-navy: #1c2338;
  --epyc-yellow: #e1d950;
  --max: 1320px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6.5rem;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }

::selection {
  background: var(--epyc-yellow);
  color: var(--epyc-navy);
}

.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: fixed;
  z-index: 1000;
  top: 1rem;
  left: 1rem;
  transform: translateY(-160%);
  padding: 0.75rem 1rem;
  background: var(--epyc-yellow);
  color: var(--epyc-navy);
  font-weight: 800;
}

.skip-link:focus { transform: none; }

.page-progress {
  position: fixed;
  z-index: 200;
  inset: 0 0 auto;
  height: 3px;
}

.page-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--opta-red);
}

.section-shell {
  width: min(calc(100% - 3rem), var(--max));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem max(1.5rem, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid transparent;
  transition: background 180ms ease, border-color 180ms ease, padding 180ms ease;
}

.site-header.scrolled {
  padding-block: 0.65rem;
  background: rgba(247, 248, 250, 0.94);
  border-color: var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  width: 2.55rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 0.78rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2.4vw, 2.7rem);
  font-size: 0.82rem;
  font-weight: 700;
}

.site-nav a { text-decoration: none; }

.site-nav > a:not(.nav-cta) {
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease;
}

.site-nav > a:not(.nav-cta):hover,
.site-nav > a:not(.nav-cta):focus-visible { border-color: currentColor; }

.nav-cta {
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
}

.menu-toggle { display: none; }

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: stretch;
  overflow: hidden;
  background: var(--paper);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(21, 62, 103, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 62, 103, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, transparent 3%, #000 24%, #000 80%, transparent 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 8.5rem;
  padding-bottom: 2.25rem;
}

.hero-label,
.section-code,
.world-index,
.world-kicker,
.direction-number,
.direction-context {
  margin: 0;
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero-label { color: var(--muted); }

.hero h1 {
  max-width: 1100px;
  margin: 1.25rem 0 2rem;
  font-family: var(--serif);
  font-size: clamp(4.6rem, 9.3vw, 9.6rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.87;
}

.hero h1 em {
  color: var(--opta-red);
  font-weight: 400;
}

.hero-bottom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 3rem;
  align-items: end;
}

.hero-bottom > p {
  max-width: 680px;
  margin: 0;
  color: #464944;
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
}

.round-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-width: 15rem;
  padding: 0.85rem 1.15rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 800;
}

.hero-directions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(3rem, 6vh, 5.5rem);
  border: 1px solid var(--ink);
}

.direction {
  position: relative;
  min-height: 9.8rem;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto 1fr auto;
  gap: 0.35rem 1rem;
  padding: 1.2rem;
  overflow: hidden;
  text-decoration: none;
  transition: transform 180ms ease;
}

.direction + .direction { border-left: 1px solid var(--ink); }
.direction:hover, .direction:focus-visible { z-index: 2; transform: translateY(-0.35rem); outline: none; }
.direction-number { grid-column: 1; }
.direction-context { grid-column: 1; align-self: end; opacity: 0.68; }

.direction strong {
  grid-column: 1 / -1;
  align-self: end;
  font-size: clamp(1.15rem, 2vw, 1.65rem);
  line-height: 1.05;
}

.direction-arrow { position: absolute; top: 1rem; right: 1rem; font-size: 1.2rem; }
.direction-opta { background: var(--white); border-top: 5px solid var(--opta-red); }
.direction-opta strong { font-weight: 900; letter-spacing: -0.05em; }
.direction-pa { background: var(--pa-paper); color: var(--pa-blue); border-top: 5px solid var(--pa-blue); }
.direction-pa strong { font-family: var(--serif); font-weight: 600; }
.direction-epyc { background: var(--epyc-navy); color: var(--epyc-yellow); border-top: 5px solid var(--epyc-yellow); }
.direction-epyc strong { letter-spacing: 0.02em; text-transform: uppercase; }

.worlds { padding: clamp(6rem, 10vw, 10rem) 0; }

.section-intro {
  display: grid;
  grid-template-columns: minmax(150px, 0.42fr) minmax(0, 1.58fr);
  gap: 3rem;
  align-items: start;
  margin-bottom: 4rem;
}

.section-code { color: var(--muted); }

.section-intro h2,
.method-heading h2,
.profile-copy h2,
.connections-heading h2 {
  margin: -0.2rem 0 1.25rem;
  font-family: var(--serif);
  font-size: clamp(3.2rem, 5.7vw, 6.3rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.section-intro > div > p {
  max-width: 730px;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.world-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.world-card {
  position: relative;
  min-height: 43rem;
  display: flex;
  flex-direction: column;
  padding: clamp(1.5rem, 2.4vw, 2.4rem);
  overflow: hidden;
}

.world-header {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.world-index { opacity: 0.65; }

.world-body {
  position: relative;
  z-index: 2;
  margin-top: clamp(5rem, 9vw, 8rem);
}

.world-kicker { margin-bottom: 1rem; }

.world-body h3 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.1rem, 3.2vw, 3.25rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.world-body > p:last-child {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.65;
}

.world-tags {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 2rem 0;
  padding: 0;
  list-style: none;
}

.world-tags li {
  padding: 0.42rem 0.7rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 750;
}

.world-link {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid currentColor;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 850;
}

.world-opta {
  background: var(--white);
  border: 1px solid #dedede;
  color: #17191c;
}

.opta-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(239, 49, 43, 0.065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(239, 49, 43, 0.065) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, #000, transparent 54%);
}

.opta-wordmark {
  position: relative;
  font-size: 1.55rem;
  font-weight: 950;
  letter-spacing: -0.07em;
  line-height: 1;
}

.opta-wordmark::before {
  content: "";
  position: absolute;
  top: -0.55rem;
  left: -0.7rem;
  width: 0.9rem;
  height: 0.9rem;
  border-top: 2px solid var(--opta-red);
  border-left: 2px solid var(--opta-red);
}

.opta-wordmark span,
.world-opta .world-kicker { color: var(--opta-red); }
.world-opta .world-body h3 { font-weight: 850; }

.world-pa {
  background: var(--pa-paper);
  border-block: 1px solid var(--pa-blue);
  color: var(--pa-blue);
}

.pa-header {
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--pa-blue);
}

.pa-document-code {
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.pa-rule {
  position: absolute;
  top: 6rem;
  right: 2.3rem;
  left: 2.3rem;
  display: grid;
  gap: 0.45rem;
}

.pa-rule span { display: block; height: 1px; background: rgba(21, 62, 103, 0.25); }
.pa-rule span:nth-child(2) { width: 70%; }
.pa-rule span:nth-child(3) { width: 42%; }
.world-pa .world-body h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.045em; }

.world-epyc {
  background: var(--epyc-navy);
  color: var(--epyc-yellow);
  border: 1px solid var(--epyc-navy);
}

.epyc-circle {
  position: absolute;
  top: 10%;
  right: -38%;
  width: 85%;
  aspect-ratio: 1;
  border: 2px solid rgba(225, 217, 80, 0.38);
  border-radius: 50%;
}

.epyc-circle::after {
  content: "";
  position: absolute;
  inset: 16%;
  border: 1px solid rgba(225, 217, 80, 0.28);
  border-radius: 50%;
}

.epyc-wordmark {
  font-size: 1.7rem;
  font-weight: 950;
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.world-epyc .world-body h3 {
  font-weight: 800;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

.world-epyc .world-body > p:last-child { color: rgba(255, 255, 255, 0.72); }

.method-section {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
}

.method-watermark {
  position: absolute;
  top: -0.05em;
  left: 50%;
  transform: translateX(-50%);
  color: transparent;
  font-size: clamp(7rem, 20vw, 20rem);
  font-weight: 950;
  letter-spacing: -0.08em;
  line-height: 1;
  -webkit-text-stroke: 1px rgba(244, 241, 233, 0.09);
  white-space: nowrap;
}

.method-inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(7rem, 12vw, 12rem);
  padding-bottom: clamp(6rem, 10vw, 9rem);
}

.method-heading {
  display: grid;
  grid-template-columns: minmax(150px, 0.42fr) minmax(0, 1.58fr);
  gap: 3rem;
}

.method-heading .section-code { color: rgba(244, 241, 233, 0.55); }

.method-heading h2 em {
  color: var(--epyc-yellow);
  font-weight: 400;
}

.method-heading h2 strong {
  box-shadow: inset 0 -0.12em 0 var(--opta-red);
  font-weight: 500;
}

.method-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 4rem;
  border-top: 1px solid rgba(244, 241, 233, 0.25);
}

.method-step {
  min-height: 16rem;
  padding: 1.5rem;
  border-left: 1px solid rgba(244, 241, 233, 0.25);
}

.method-step:first-child { border-left: 0; padding-left: 0; }
.method-step span { color: var(--opta-red); font-family: var(--mono); font-size: 0.7rem; }
.method-step:first-child span { color: var(--epyc-yellow); }
.method-step:nth-child(2) span { color: #7fb1da; }
.method-step h3 { margin: 4rem 0 0.8rem; font-family: var(--serif); font-size: 2rem; font-weight: 500; }
.method-step p { margin: 0; color: rgba(244, 241, 233, 0.65); font-size: 0.84rem; }

.profile-section {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) minmax(190px, 0.42fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
  padding-top: clamp(6rem, 10vw, 10rem);
  padding-bottom: clamp(6rem, 10vw, 10rem);
}

.profile-photo {
  width: 100%;
  aspect-ratio: 0.78;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
}

.profile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.profile-copy h2 { margin: 1.1rem 0 1.6rem; }
.profile-copy > p { max-width: 700px; color: var(--muted); }
.profile-copy .profile-lead { color: var(--ink); font-size: 1.18rem; }

.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2rem;
}

.profile-links a { font-size: 0.82rem; font-weight: 800; text-underline-offset: 0.3em; }

.profile-note {
  padding-top: 1rem;
  border-top: 1px solid var(--ink);
}

.profile-note span { color: var(--opta-red); font-size: 0.67rem; font-weight: 850; letter-spacing: 0.12em; text-transform: uppercase; }
.profile-note p { margin: 1.5rem 0 0; font-size: 0.78rem; font-weight: 700; line-height: 1.9; }

.connections { padding-bottom: clamp(6rem, 10vw, 10rem); }

.connections-heading {
  display: grid;
  grid-template-columns: minmax(150px, 0.42fr) minmax(0, 1.58fr);
  gap: 3rem;
  align-items: start;
  margin-bottom: 3rem;
}

.connection-grid { display: grid; grid-template-columns: repeat(3, 1fr); }

.connection {
  min-height: 16rem;
  display: flex;
  flex-direction: column;
  padding: 1.4rem;
  text-decoration: none;
  transition: transform 180ms ease;
}

.connection:hover, .connection:focus-visible { z-index: 2; transform: translateY(-0.35rem); outline: none; }
.connection span { font-size: 0.66rem; font-weight: 850; letter-spacing: 0.12em; text-transform: uppercase; }
.connection strong { margin-top: auto; font-size: clamp(2rem, 3.2vw, 3.4rem); letter-spacing: -0.05em; line-height: 0.95; }
.connection em { margin-top: 1rem; font-size: 0.72rem; font-style: normal; font-weight: 700; }
.connection-opta { background: var(--white); border: 1px solid #dedede; border-top: 6px solid var(--opta-red); }
.connection-opta strong { font-weight: 950; }
.connection-pa { background: var(--pa-paper); color: var(--pa-blue); border-block: 1px solid var(--pa-blue); }
.connection-pa strong { font-family: var(--serif); font-weight: 600; }
.connection-epyc { background: var(--epyc-navy); color: var(--epyc-yellow); border: 1px solid var(--epyc-navy); }
.connection-epyc strong { font-weight: 950; }

.contact-section {
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.contact-inner { padding-top: clamp(5rem, 8vw, 8rem); padding-bottom: clamp(5rem, 8vw, 8rem); }

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 0.68fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
  margin-top: 2.5rem;
}

.contact-copy h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.5rem, 6.5vw, 7.2rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.9;
}

.contact-copy > p {
  max-width: 38rem;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.contact-form {
  display: grid;
  gap: 1.4rem;
  padding-top: 0.4rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
}

.contact-form label:not(.privacy-check):not(.form-trap) {
  display: grid;
  gap: 0.55rem;
}

.contact-form label > span:first-child {
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--ink);
  border-radius: 0;
  padding: 0.75rem 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.94rem;
  outline: none;
}

.contact-form select { cursor: pointer; }
.contact-form textarea { min-height: 9rem; resize: vertical; line-height: 1.55; }
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus { border-bottom-color: var(--opta-red); box-shadow: 0 2px 0 var(--opta-red); }
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: #777b82; opacity: 1; }

.privacy-check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  align-items: start;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.5;
}

.privacy-check input {
  width: 1rem;
  height: 1rem;
  margin-top: 0.1rem;
  accent-color: var(--ink);
}

.privacy-check a { color: var(--ink); text-underline-offset: 0.2em; }
.form-trap { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.form-actions {
  display: grid;
  gap: 0.8rem;
}

.contact-submit {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  width: 100%;
  padding: 1rem 0;
  border: 0;
  border-bottom: 2px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 850;
  text-align: left;
  cursor: pointer;
}

.contact-submit:hover,
.contact-submit:focus-visible { color: var(--opta-red); border-color: var(--opta-red); outline: none; }
.contact-submit:disabled { cursor: wait; opacity: 0.55; }

.form-status {
  min-height: 1.35rem;
  margin: 0;
  font-size: 0.76rem;
  font-weight: 700;
  line-height: 1.5;
}

.form-status.is-success { color: #166534; }
.form-status.is-error { color: #b42318; }

.privacy-page {
  min-height: calc(100vh - 7rem);
  padding-top: clamp(9rem, 15vw, 13rem);
  padding-bottom: clamp(5rem, 9vw, 9rem);
}

.privacy-page h1 {
  max-width: 900px;
  margin: 1rem 0 3rem;
  font-family: var(--serif);
  font-size: clamp(4rem, 10vw, 9rem);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.9;
}

.privacy-content { max-width: 760px; margin-left: auto; }
.privacy-content h2 { margin: 2.5rem 0 0.7rem; font-family: var(--serif); font-size: 1.8rem; }
.privacy-content p,
.privacy-content li { color: var(--muted); line-height: 1.75; }
.privacy-content a { color: var(--ink); }
.privacy-back { display: inline-block; margin-top: 3rem; font-weight: 800; text-underline-offset: 0.25em; }

.site-footer { background: var(--ink); color: rgba(244, 241, 233, 0.68); }

.footer-inner {
  min-height: 7rem;
  display: grid;
  grid-template-columns: 1fr 1fr auto auto;
  align-items: center;
  gap: 2rem;
  font-size: 0.7rem;
  font-weight: 700;
}

.footer-inner p { margin: 0; }
.footer-inner a { color: var(--paper); }

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 650ms cubic-bezier(.2,.7,.2,1), transform 650ms cubic-bezier(.2,.7,.2,1);
}

.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1050px) {
  .world-grid { grid-template-columns: 1fr; }
  .world-card { min-height: 38rem; }
  .world-body { max-width: 720px; margin-top: 5rem; }
  .world-body h3 { max-width: 650px; }
  .world-pa { border: 1px solid var(--pa-blue); }
  .profile-section { grid-template-columns: 160px minmax(0, 1fr); }
  .profile-note { grid-column: 2; }
}

@media (max-width: 900px) {
  .section-shell { width: min(calc(100% - 2rem), var(--max)); }
  .site-header { padding-inline: 1rem; }
  .menu-toggle {
    position: relative;
    z-index: 2;
    width: 2.8rem;
    height: 2.8rem;
    display: grid;
    place-content: center;
    gap: 0.4rem;
    border: 0;
    border-radius: 50%;
    background: var(--ink);
    color: var(--paper);
    cursor: pointer;
  }
  .menu-toggle span:not(.sr-only) { width: 1rem; height: 1px; background: currentColor; transition: transform 180ms ease; }
  .menu-open .menu-toggle span:nth-last-child(2) { transform: translateY(3.5px) rotate(45deg); }
  .menu-open .menu-toggle span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .site-nav {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1rem;
    padding: 5rem 2rem;
    background: var(--ink);
    color: var(--paper);
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-1rem);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  }
  .menu-open .site-nav { visibility: visible; opacity: 1; pointer-events: auto; transform: none; }
  .site-nav a { font-family: var(--serif); font-size: clamp(2.5rem, 9vw, 4.8rem); font-weight: 500; letter-spacing: -0.05em; line-height: 1; }
  .site-nav .nav-cta { margin-top: 1rem; padding: 0.8rem 1.2rem; background: var(--epyc-yellow); color: var(--epyc-navy); font-family: var(--sans); font-size: 0.9rem; font-weight: 800; }
  .hero-bottom { grid-template-columns: 1fr; gap: 1.5rem; }
  .round-link { width: max-content; }
  .hero-directions { grid-template-columns: 1fr; }
  .direction { min-height: 8rem; }
  .direction + .direction { border-left: 0; border-top: 1px solid var(--ink); }
  .section-intro,
  .method-heading,
  .connections-heading { grid-template-columns: 1fr; gap: 1.5rem; }
  .method-steps { grid-template-columns: repeat(2, 1fr); }
  .method-step:nth-child(3) { border-left: 0; border-top: 1px solid rgba(244, 241, 233, 0.25); }
  .method-step:nth-child(4) { border-top: 1px solid rgba(244, 241, 233, 0.25); }
  .connection-grid { grid-template-columns: 1fr; }
  .connection { min-height: 13rem; }
  .connection-pa { border: 1px solid var(--pa-blue); }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .brand-name { display: none; }
  .hero { min-height: auto; }
  .hero-inner { padding-top: 7.5rem; }
  .hero h1 { font-size: clamp(3.8rem, 17vw, 5.4rem); }
  .hero-bottom > p { font-size: 1rem; }
  .round-link { min-width: min(100%, 16rem); }
  .direction strong { font-size: 1.2rem; }
  .worlds { padding-top: 5.5rem; }
  .section-intro h2,
  .method-heading h2,
  .profile-copy h2,
  .connections-heading h2 { font-size: clamp(3rem, 14vw, 4.5rem); }
  .world-card { min-height: 41rem; padding: 1.4rem; }
  .world-body { margin-top: 4.2rem; }
  .world-body h3 { font-size: 2.35rem; }
  .pa-rule { right: 1.4rem; left: 1.4rem; }
  .method-steps { grid-template-columns: 1fr; }
  .method-step,
  .method-step:nth-child(3),
  .method-step:nth-child(4) { min-height: 12.5rem; padding: 1.25rem 0; border-left: 0; border-top: 1px solid rgba(244, 241, 233, 0.25); }
  .method-step h3 { margin-top: 2.5rem; }
  .profile-section { grid-template-columns: 72px minmax(0, 1fr); gap: 1.2rem; }
  .profile-photo { aspect-ratio: 0.72; }
  .profile-copy h2 { font-size: 2.5rem; }
  .profile-copy .profile-lead { font-size: 0.96rem; }
  .profile-note { grid-column: 1 / -1; }
  .profile-links { flex-direction: column; gap: 0.7rem; }
  .contact-copy h2 { font-size: clamp(3.5rem, 15vw, 5.2rem); }
  .form-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr auto auto; padding: 1.5rem 0; }
  .footer-inner p:nth-child(2) { display: none; }
}

@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; }
  .reveal { opacity: 1; transform: none; }
}
