@import url('https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:ital,wght@0,400;0,700;1,400;1,700&display=swap');

:root {
  color-scheme: dark;
  --ink: #f7f4ed;
  --muted: #c9c1b3;
  --soft: #938879;
  --night: #11110f;
  --panel: #191714;
  --panel-2: #22201c;
  --line: rgba(247, 244, 237, 0.16);
  --amber: #e8a33a;
  --cyan: #53c7d4;
  --rose: #d86d6b;
  --green: #9fbf7a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --max: 1180px;
  font-family:
    "Atkinson Hyperlegible", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--night);
  color: var(--ink);
  line-height: 1.5;
}

body.nav-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

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

p,
h1,
h2,
h3 {
  margin-top: 0;
}

p {
  color: var(--muted);
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 20;
  transform: translateY(-150%);
  background: var(--ink);
  color: var(--night);
  padding: 0.75rem 1rem;
  border-radius: 0.35rem;
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

.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;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  color: var(--ink);
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    backdrop-filter 180ms ease;
}

.site-header.is-scrolled,
.site-header.nav-active {
  background: rgba(17, 17, 15, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 900;
  letter-spacing: 0;
  min-height: 44px;
}

.brand-logo {
  display: block;
  width: auto;
  height: 3.4rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.site-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 0.85rem;
  color: rgba(247, 244, 237, 0.82);
  font-weight: 750;
  font-size: 0.92rem;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}

.site-nav .nav-cta {
  border: 1px solid rgba(247, 244, 237, 0.26);
  border-radius: 0.45rem;
  margin-left: 0.25rem;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(247, 244, 237, 0.22);
  border-radius: 0.45rem;
  background: rgba(17, 17, 15, 0.5);
  color: var(--ink);
  place-items: center;
}

.nav-toggle-line {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  margin: 3px auto;
}

.hero {
  position: relative;
  min-height: 92svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 8rem clamp(1rem, 4vw, 3rem) 4.5rem;
}

.hero-simple {
  min-height: 86svh;
}

.page-main {
  padding-top: 76px;
}

.page-hero {
  padding: clamp(5rem, 10vw, 8rem) 0 clamp(3.5rem, 7vw, 6rem);
  background:
    linear-gradient(135deg, rgba(83, 199, 212, 0.12), transparent 40%),
    linear-gradient(225deg, rgba(232, 163, 58, 0.1), transparent 48%),
    var(--night);
  border-bottom: 1px solid var(--line);
}

.compact-page {
  padding: clamp(4.25rem, 8vw, 6rem) 0 clamp(3rem, 6vw, 4.5rem);
}

.compact-page .narrow {
  display: grid;
  gap: 1rem;
}

.narrow {
  width: min(760px, calc(100% - 2rem));
}

.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: end;
}

.page-hero h1 {
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: 0.9;
  margin-bottom: 0;
}

.page-hero p:not(.eyebrow) {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  margin-bottom: 0;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: 56% center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(17, 17, 15, 0.94) 0%, rgba(17, 17, 15, 0.64) 34%, rgba(17, 17, 15, 0.06) 70%),
    linear-gradient(0deg, rgba(17, 17, 15, 0.9) 0%, rgba(17, 17, 15, 0.18) 42%, rgba(17, 17, 15, 0.62) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(700px, 100%);
}

.eyebrow,
.label {
  color: var(--amber);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 900;
  margin-bottom: 0.8rem;
}

h1 {
  font-size: clamp(4rem, 11vw, 9.5rem);
  line-height: 0.84;
  letter-spacing: 0;
  margin-bottom: 1.35rem;
}

h2 {
  font-size: clamp(2rem, 5vw, 4.5rem);
  line-height: 0.98;
  letter-spacing: 0;
  max-width: 900px;
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.65rem);
  line-height: 1.12;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 650px;
  color: rgba(247, 244, 237, 0.88);
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  margin-bottom: 0.8rem;
}

.hero-note {
  max-width: 620px;
  color: rgba(247, 244, 237, 0.78);
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  margin-bottom: 2rem;
}

.hero-actions,
.closing-inner {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.1rem;
  border-radius: 0.45rem;
  font-weight: 900;
  border: 1px solid transparent;
}

.button-primary {
  background: var(--ink);
  color: var(--night);
}

.button-secondary {
  background: rgba(247, 244, 237, 0.08);
  color: var(--ink);
  border-color: rgba(247, 244, 237, 0.26);
}

.hero-signal {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  width: min(var(--max), 100%);
  margin: 3.5rem auto 0 0;
}

.hero-signal span {
  border: 1px solid rgba(247, 244, 237, 0.24);
  background: rgba(17, 17, 15, 0.36);
  backdrop-filter: blur(12px);
  border-radius: 0.45rem;
  padding: 0.55rem 0.75rem;
  color: rgba(247, 244, 237, 0.9);
  font-weight: 800;
  font-size: 0.9rem;
}

section {
  scroll-margin-top: 78px;
}

.section-inner {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
}

.band {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0)),
    var(--panel);
  border-block: 1px solid var(--line);
}

.intro,
.principles,
.devices,
.podcast,
.progress,
.team,
.home-links,
.closing,
.simple-section,
.quiet-links {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.intro-grid,
.split,
.closing-inner,
.simple-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.75fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.simple-grid h2 {
  margin-bottom: 0;
}

.simple-grid p {
  font-size: clamp(1.08rem, 2vw, 1.3rem);
  margin-bottom: 0;
}

.video-section {
  display: grid;
  grid-template-columns: minmax(0, 0.6fr) minmax(340px, 1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: center;
}

.video-section h2 {
  font-size: clamp(1.8rem, 3.6vw, 3.2rem);
  margin-bottom: 1rem;
}

.video-sub {
  color: var(--amber);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  font-weight: 700;
}

.video-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: #000;
  aspect-ratio: 16 / 9;
  box-shadow: var(--shadow);
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.quiet-link-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  border-radius: 0.5rem;
  overflow: hidden;
}

.quiet-link-grid a {
  min-height: 96px;
  display: grid;
  place-items: center;
  background: var(--panel);
  font-weight: 900;
  font-size: clamp(1rem, 2vw, 1.35rem);
}

.quiet-link-grid a:hover,
.quiet-link-grid a:focus-visible {
  background: var(--panel-2);
}

.intro-grid p,
.flow-copy p {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.section-heading {
  display: grid;
  gap: 0.1rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.section-heading.wide h2 {
  max-width: 980px;
}

.principle-list,
.team-grid,
.link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.principle,
.team-grid article,
.timeline li,
.device-panel,
.feature-link {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  border-radius: 0.5rem;
}

.link-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-link {
  min-height: 260px;
  padding: 1.2rem;
  display: grid;
  align-content: space-between;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background-color 160ms ease;
}

.feature-link:hover,
.feature-link:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(247, 244, 237, 0.36);
  background: rgba(255, 255, 255, 0.055);
}

.feature-link span {
  color: var(--cyan);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 900;
}

.feature-link h3 {
  margin: 2rem 0 0.75rem;
}

.feature-link p {
  margin-bottom: 0;
}

.text-link {
  color: var(--ink);
  font-weight: 900;
  border-bottom: 2px solid var(--amber);
}

.principle {
  min-height: 260px;
  padding: 1.25rem;
  display: grid;
  align-content: space-between;
}

.principle-index {
  color: var(--cyan);
  font-weight: 950;
  font-size: 0.88rem;
}

.principle p,
.team-grid p,
.timeline p,
.device-copy p,
.feature-link p {
  margin-bottom: 0;
}

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

.device-panel {
  overflow: hidden;
  box-shadow: var(--shadow);
}

.device-visual {
  min-height: 260px;
  background:
    linear-gradient(135deg, rgba(83, 199, 212, 0.1), rgba(232, 163, 58, 0.08)),
    #10100e;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.device-visual::before {
  content: "";
  position: absolute;
  inset: 16%;
  border: 1px solid rgba(247, 244, 237, 0.2);
  border-radius: 0.5rem;
  background:
    repeating-linear-gradient(90deg, transparent 0 34px, rgba(247, 244, 237, 0.12) 35px 37px),
    rgba(247, 244, 237, 0.03);
}

.device-visual span {
  position: absolute;
  z-index: 1;
  background: var(--ink);
  box-shadow: 0 0 0 8px #1f1d1a, 0 0 0 9px rgba(247, 244, 237, 0.18);
}

.recorder span {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  top: 36%;
}

.recorder span:nth-child(1) {
  left: 25%;
}

.recorder span:nth-child(2) {
  left: 45%;
}

.recorder span:nth-child(3) {
  left: 65%;
}

.editor span {
  width: 34px;
  height: 82px;
  border-radius: 999px;
  bottom: 26%;
}

.editor span:nth-child(1) {
  left: 24%;
}

.editor span:nth-child(2) {
  left: 40%;
}

.editor span:nth-child(3) {
  left: 56%;
}

.editor span:nth-child(4) {
  left: 72%;
  background: var(--amber);
}

.device-copy,
.team-grid article {
  padding: 1.35rem;
}

.people-list {
  display: grid;
  gap: 1.25rem;
}

.people-list article {
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.25rem;
}

.people-list article:last-child {
  border-bottom: 0;
}

.people-list h2 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  margin-bottom: 0.75rem;
}

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

.advisor-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.person-card {
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.035);
  padding: 1.2rem;
}

.person-card.has-photo {
  display: grid;
  grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: 1.2rem;
  align-items: start;
}

.person-photo {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 0.4rem;
  filter: grayscale(1);
}

.person-card h3 {
  margin-bottom: 0.75rem;
}

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

.person-role {
  color: var(--amber);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  margin-bottom: 0.7rem;
  text-transform: uppercase;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  padding: 0;
  margin: 2rem 0 0;
  list-style: none;
}

.process-list li {
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.035);
  padding: 1.2rem;
}

.process-list span {
  color: var(--cyan);
  font-weight: 950;
}

.process-list h3 {
  margin: 1.5rem 0 0.75rem;
}

.process-list p {
  margin-bottom: 0;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.contact-form label {
  display: grid;
  gap: 0.45rem;
  color: var(--ink);
  font-weight: 850;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font: inherit;
  padding: 0.85rem 0.95rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.form-note {
  margin-top: 1.25rem;
}

.form-note a,
.site-footer a {
  color: var(--ink);
  border-bottom: 1px solid var(--amber);
}

.topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  padding: 0;
  margin: 1.25rem 0 0;
  list-style: none;
}

.topic-list li {
  color: var(--night);
  background: var(--green);
  border-radius: 0.45rem;
  padding: 0.5rem 0.7rem;
  font-weight: 850;
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.timeline li {
  padding: 1.2rem;
  min-height: 260px;
}

.timeline time {
  display: inline-flex;
  color: var(--cyan);
  font-weight: 950;
  margin-bottom: 1rem;
}

.closing-inner {
  align-items: center;
}

.site-footer {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
  font-size: 0.92rem;
}

@media (max-width: 920px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: 68px 1rem auto 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem;
    border: 1px solid var(--line);
    border-radius: 0.5rem;
    background: rgba(17, 17, 15, 0.96);
    box-shadow: var(--shadow);
  }

  .site-header.nav-active .site-nav {
    display: flex;
  }

  .site-nav a {
    justify-content: center;
  }

  .site-nav .nav-cta {
    margin-left: 0;
  }

  .hero {
    min-height: 88svh;
  }

  .hero-image {
    object-position: 66% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(17, 17, 15, 0.9), rgba(17, 17, 15, 0.38)),
      linear-gradient(0deg, rgba(17, 17, 15, 0.95) 0%, rgba(17, 17, 15, 0.2) 48%, rgba(17, 17, 15, 0.62) 100%);
  }

  .intro-grid,
  .split,
  .closing-inner,
  .page-hero-grid,
  .simple-grid,
  .video-section,
  .quiet-link-grid,
  .device-layout,
  .process-list,
  .bio-grid,
  .advisor-grid,
  .principle-list,
  .team-grid,
  .link-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .principle,
  .timeline li,
  .feature-link {
    min-height: auto;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding-inline: 1rem;
  }

  .brand-logo {
    height: 2.9rem;
  }

  .person-card.has-photo {
    grid-template-columns: 5rem minmax(0, 1fr);
    gap: 1rem;
  }

  .hero {
    padding-top: 6.5rem;
    padding-bottom: 2.5rem;
  }

  .hero-image {
    object-position: 70% center;
  }

  h1 {
    font-size: clamp(3.45rem, 18vw, 5.2rem);
  }

  h2 {
    font-size: clamp(2rem, 11vw, 3.2rem);
  }

  .hero-actions,
  .closing-inner {
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .hero-signal span {
    width: 100%;
  }

  .device-visual {
    min-height: 210px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --ink: #1a1816;
    --muted: #4a453e;
    --soft: #7a7268;
    --night: #f7f4ed;
    --panel: #edeae3;
    --panel-2: #e4e0d8;
    --line: rgba(26, 24, 22, 0.12);
    --amber: #b87a14;
    --cyan: #1a8f9c;
    --rose: #b8524f;
    --green: #5a7f35;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.06);
  }

  .site-header.is-scrolled,
  .site-header.nav-active {
    background: rgba(247, 244, 237, 0.88);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(20px);
  }

  .site-nav a {
    color: rgba(26, 24, 22, 0.72);
  }

  .site-nav a:hover,
  .site-nav a:focus-visible,
  .site-nav a[aria-current="page"] {
    color: var(--ink);
  }

  .site-nav .nav-cta {
    border-color: rgba(26, 24, 22, 0.2);
  }

  .nav-toggle {
    border-color: rgba(26, 24, 22, 0.16);
    background: rgba(247, 244, 237, 0.5);
    color: var(--ink);
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(247, 244, 237, 0.94) 0%, rgba(247, 244, 237, 0.64) 34%, rgba(247, 244, 237, 0.06) 70%),
      linear-gradient(0deg, rgba(247, 244, 237, 0.9) 0%, rgba(247, 244, 237, 0.18) 42%, rgba(247, 244, 237, 0.62) 100%);
  }

  .hero-lede {
    color: rgba(26, 24, 22, 0.88);
  }

  .hero-note {
    color: rgba(26, 24, 22, 0.72);
  }

  .hero-signal span {
    border-color: rgba(26, 24, 22, 0.16);
    background: rgba(247, 244, 237, 0.6);
    color: var(--ink);
  }

  .button-primary {
    background: var(--ink);
    color: var(--night);
  }

  .button-secondary {
    background: rgba(26, 24, 22, 0.06);
    color: var(--ink);
    border-color: rgba(26, 24, 22, 0.2);
  }

  .skip-link {
    background: var(--ink);
    color: var(--night);
  }

  .band {
    background:
      linear-gradient(180deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0)),
      var(--panel);
  }

  .principle,
  .team-grid article,
  .timeline li,
  .device-panel,
  .feature-link,
  .process-list li,
  .person-card {
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.6);
  }

  .contact-form input,
  .contact-form textarea {
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.6);
    color: var(--ink);
  }

  .page-hero {
    background:
      linear-gradient(135deg, rgba(26, 143, 156, 0.08), transparent 40%),
      linear-gradient(225deg, rgba(184, 122, 20, 0.06), transparent 48%),
      var(--night);
  }

  .brand-logo,
  .hero-image {
    filter: invert(1);
  }

  @media (max-width: 920px) {
    .site-nav {
      background: rgba(247, 244, 237, 0.97);
      border-color: var(--line);
    }

    .hero-shade {
      background:
        linear-gradient(90deg, rgba(247, 244, 237, 0.9), rgba(247, 244, 237, 0.38)),
        linear-gradient(0deg, rgba(247, 244, 237, 0.95) 0%, rgba(247, 244, 237, 0.2) 48%, rgba(247, 244, 237, 0.62) 100%);
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}