:root {
  --ink: #171a1c;
  --ink-soft: #4c5358;
  --paper: #f5f3ed;
  --white: #ffffff;
  --line: #cfcfc8;
  --cyan: #00a5c8;
  --green: #3f7652;
  --coral: #e05c43;
  --gold: #c69a3b;
  --nav-height: 72px;
  --content: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0;
}

body.menu-open {
  overflow: hidden;
}

.error-page {
  min-height: calc(100vh - var(--nav-height));
  display: grid;
  align-items: center;
  background: var(--ink);
  color: var(--white);
}

.error-inner {
  width: min(calc(100% - 48px), 820px);
  margin: 0 auto;
  padding: 80px 0;
}

.error-inner h1 {
  max-width: 760px;
  margin: 20px 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 82px;
  line-height: 1.02;
  letter-spacing: 0;
}

.error-inner > p:not(.eyebrow) {
  max-width: 640px;
  color: #c7cdd0;
  font-size: 19px;
}

.error-connect {
  border-bottom: 2px solid var(--coral);
  color: var(--ink);
  font-size: 14px;
  font-weight: 650;
  padding: 7px 0 5px;
  text-decoration: none;
}

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

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  background: var(--white);
  color: var(--ink);
  padding: 10px 16px;
  border: 1px solid var(--ink);
  transition: top 160ms ease;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-height);
  background: rgba(245, 243, 237, 0.94);
  border-bottom: 1px solid rgba(23, 26, 28, 0.16);
  backdrop-filter: blur(14px);
}

.nav-shell {
  width: min(calc(100% - 48px), var(--content));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.wordmark {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

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

.nav-links .nav-contact {
  border-bottom: 2px solid var(--coral);
  color: var(--ink);
  padding: 7px 0 5px;
}

.menu-button {
  position: relative;
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.menu-lines,
.menu-lines::before,
.menu-lines::after {
  position: absolute;
  left: 10px;
  top: 21px;
  display: block;
  width: 24px;
  height: 2px;
  margin: 0;
  background: currentColor;
  content: "";
  transition: transform 160ms ease, opacity 160ms ease;
}

.menu-lines::before {
  left: 0;
  top: 0;
  transform: translateY(-7px);
}

.menu-lines::after {
  left: 0;
  top: 0;
  transform: translateY(7px);
}

.menu-button[aria-expanded="true"] .menu-lines {
  background: transparent;
}

.menu-button[aria-expanded="true"] .menu-lines::before {
  transform: translateY(0) rotate(45deg);
  background: var(--ink);
}

.menu-button[aria-expanded="true"] .menu-lines::after {
  transform: rotate(-45deg);
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: min(790px, calc(100vh - var(--nav-height) - 56px));
  max-height: 860px;
  overflow: hidden;
  background: #111416;
  color: var(--white);
  display: flex;
  align-items: center;
}

.hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(13, 16, 18, 0.98) 0%, rgba(13, 16, 18, 0.88) 42%, rgba(13, 16, 18, 0.18) 72%, rgba(13, 16, 18, 0.02) 100%),
    url("assets/amit-singh.png");
  background-position: center, right 10% center;
  background-repeat: no-repeat;
  background-size: cover, min(62vw, 760px) auto;
  content: "";
}

.hero::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 8px;
  background: linear-gradient(90deg, var(--cyan) 0 34%, var(--green) 34% 59%, var(--coral) 59% 83%, var(--gold) 83% 100%);
  content: "";
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 48px), var(--content));
  margin: 0 auto;
  padding: 84px 0 96px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 750;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 76px;
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-role {
  max-width: 680px;
  margin: 24px 0 0;
  color: #f1efe9;
  font-size: 23px;
  font-weight: 540;
  line-height: 1.35;
}

.hero-copy {
  max-width: 630px;
  margin: 20px 0 0;
  color: #c8ccce;
  font-size: 18px;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 34px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  border-radius: 2px;
  padding: 11px 17px;
  background: var(--ink);
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button:hover {
  background: var(--coral);
  border-color: var(--coral);
}

.button-light {
  background: var(--white);
  border-color: var(--white);
  color: var(--ink);
}

.button-light:hover {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #071418;
}

.button-ghost {
  background: transparent;
  border-color: #7a8185;
  color: var(--white);
}

.button-ghost:hover {
  background: var(--white);
  border-color: var(--white);
  color: var(--ink);
}

.text-link {
  display: inline-block;
  border-bottom: 2px solid var(--coral);
  padding: 2px 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}

.text-link:hover {
  border-color: var(--cyan);
}

.proof-strip {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.proof-grid {
  width: min(calc(100% - 48px), var(--content));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.proof-item {
  min-height: 128px;
  padding: 28px 22px;
  border-left: 1px solid var(--line);
}

.proof-item:last-child {
  border-right: 1px solid var(--line);
}

.proof-item strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 26px;
  font-weight: 500;
  line-height: 1.15;
}

.proof-item span {
  display: block;
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.35;
}

.section {
  padding: 104px 0;
}

.section-white {
  background: var(--white);
}

.section-dark {
  background: #171a1c;
  color: var(--white);
}

.section-cyan {
  background: #dceef0;
}

.section-shell {
  width: min(calc(100% - 48px), var(--content));
  margin: 0 auto;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 80px;
  align-items: end;
  margin-bottom: 64px;
}

.section-number {
  display: block;
  margin-bottom: 16px;
  color: var(--coral);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  font-weight: 700;
}

.section h2,
.page-hero h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 54px;
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: 0;
}

.section-head p {
  max-width: 630px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 18px;
}

.section-dark .section-head p,
.section-dark .lede {
  color: #bfc4c6;
}

.work-list {
  border-top: 1px solid var(--line);
}

.work-row {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  min-height: 480px;
  border-bottom: 1px solid var(--line);
}

.work-row:nth-child(even) .work-visual {
  order: 2;
}

.work-visual {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  background: #dceef0;
}

.work-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.work-visual img.diagram-image {
  object-fit: contain;
  padding: 34px;
  background: #eef5f1;
}

.work-copy {
  padding: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.tagline {
  margin: 0 0 20px;
  color: var(--green);
  font-size: 13px;
  font-weight: 750;
  text-transform: uppercase;
}

.work-copy h3,
.book-copy h3,
.publication h3,
.feature-title {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 34px;
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: 0;
}

.work-copy p {
  margin: 22px 0 28px;
  color: var(--ink-soft);
  font-size: 17px;
}

.domain-map {
  position: absolute;
  inset: 0;
  padding: 44px;
  background: #122127;
  color: var(--white);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 12px;
}

.domain-node {
  border: 1px solid rgba(255,255,255,0.32);
  padding: 20px;
  display: flex;
  align-items: flex-end;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.3;
}

.domain-node:nth-child(1) { border-top: 5px solid var(--cyan); }
.domain-node:nth-child(2) { border-top: 5px solid var(--green); }
.domain-node:nth-child(3) { border-top: 5px solid var(--coral); }
.domain-node:nth-child(4) { border-top: 5px solid var(--gold); }
.domain-node:nth-child(5) { border-top: 5px solid #f0f0ee; }
.domain-node:nth-child(6) { border-top: 5px solid #8dc4b1; }

.domain-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 172px;
  height: 88px;
  transform: translate(-50%, -50%);
  border: 4px solid #122127;
  background: var(--white);
  color: var(--ink);
  display: grid;
  place-items: center;
  padding: 12px;
  text-align: center;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.25;
}

.agent-visual {
  min-height: 100%;
  padding: 50px;
  background: #1a1d1f;
  color: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}

.agent-step {
  min-height: 76px;
  border-left: 5px solid var(--cyan);
  background: #252a2d;
  padding: 16px 20px;
}

.agent-step:nth-child(2) { border-color: var(--green); }
.agent-step:nth-child(3) { border-color: var(--coral); }
.agent-step:nth-child(4) { border-color: var(--gold); }

.agent-step strong {
  display: block;
  font-size: 14px;
}

.agent-step span {
  display: block;
  margin-top: 3px;
  color: #bfc4c6;
  font-size: 12px;
}

.question-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid #555a5d;
  border-left: 1px solid #555a5d;
}

.channel-section {
  background: #0d1113;
  color: var(--white);
  border-top: 8px solid var(--cyan);
}

.channel-shell {
  width: min(100%, 1440px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(420px, 0.95fr) minmax(0, 1.05fr);
}

.channel-visual {
  min-height: 620px;
  padding: 72px max(48px, calc((100vw - var(--content)) / 2));
  padding-right: 64px;
  background: #172126;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.channel-kicker {
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.channel-brand {
  display: flex;
  align-items: center;
  gap: 24px;
  margin: 24px 0 42px;
}

.channel-logo {
  width: 112px;
  height: 112px;
  border-radius: 50%;
  object-fit: cover;
  flex: 0 0 auto;
}

.channel-mark {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 64px;
  font-weight: 500;
  line-height: 0.98;
}

.channel-topics {
  border-top: 1px solid #4a555a;
}

.channel-topic {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid #4a555a;
  color: #d9ddde;
  font-size: 14px;
}

.channel-topic span:last-child {
  width: 54px;
  height: 5px;
  background: var(--cyan);
}

.channel-topic:nth-child(2) span:last-child { background: var(--green); }
.channel-topic:nth-child(3) span:last-child { background: var(--coral); }
.channel-topic:nth-child(4) span:last-child { background: var(--gold); }

.channel-copy {
  min-height: 620px;
  padding: 76px max(48px, calc((100vw - var(--content)) / 2));
  padding-left: 72px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.channel-copy h2 {
  max-width: 640px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 48px;
  font-weight: 500;
  line-height: 1.08;
}

.channel-copy > p {
  max-width: 660px;
  margin: 24px 0 0;
  color: #bfc5c7;
  font-size: 18px;
}

.channel-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 38px;
  border-top: 1px solid #4a555a;
  border-bottom: 1px solid #4a555a;
}

.channel-stat {
  min-height: 112px;
  padding: 22px 18px 22px 0;
  border-right: 1px solid #4a555a;
}

.channel-stat:not(:first-child) {
  padding-left: 18px;
}

.channel-stat:last-child {
  border-right: 0;
}

.channel-stat strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 28px;
  font-weight: 500;
  line-height: 1.1;
}

.channel-stat span {
  display: block;
  margin-top: 7px;
  color: #aeb5b7;
  font-size: 12px;
  line-height: 1.35;
}

.newsletter-proof {
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid #4a555a;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 22px;
  align-items: center;
}

.newsletter-proof-image {
  aspect-ratio: 3.4 / 1;
  overflow: hidden;
  border: 1px solid #4a555a;
  background: var(--white);
}

.newsletter-proof-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.newsletter-proof-copy > span {
  display: block;
  margin-bottom: 7px;
  color: var(--coral);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.newsletter-proof-copy > strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
  font-weight: 500;
}

.newsletter-proof-copy p {
  margin: 9px 0 12px;
  color: #aeb5b7;
  font-size: 13px;
}

.newsletter-proof-copy .text-link {
  color: var(--white);
}

.featured-media-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.media-item {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--white);
  display: flex;
  flex-direction: column;
}

.media-item:hover .media-title {
  color: var(--coral);
}

.media-art {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #172126;
}

.media-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-art::after {
  position: absolute;
  inset: 0;
  border-bottom: 6px solid var(--cyan);
  content: "";
  pointer-events: none;
}

.media-item:nth-child(2) .media-art::after,
.media-item:nth-child(5) .media-art::after { border-color: var(--green); }
.media-item:nth-child(3) .media-art::after,
.media-item:nth-child(6) .media-art::after { border-color: var(--coral); }

.medium-art {
  padding: 26px;
  background: #e5e1d8;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.medium-art strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 42px;
  font-weight: 500;
  line-height: 1;
}

.medium-art span {
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.podcast-art {
  padding: 26px;
  background: #172126;
  color: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.podcast-art span {
  color: #b8c4c5;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.podcast-art strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 38px;
  font-weight: 500;
  line-height: 1;
}

.audio-wave {
  height: 34px;
  display: flex;
  align-items: center;
  gap: 7px;
}

.audio-wave i {
  width: 4px;
  height: 12px;
  background: var(--coral);
}

.audio-wave i:nth-child(2),
.audio-wave i:nth-child(7) { height: 24px; }

.audio-wave i:nth-child(3),
.audio-wave i:nth-child(6) { height: 32px; }

.audio-wave i:nth-child(4),
.audio-wave i:nth-child(5) { height: 18px; }

.media-copy {
  min-height: 260px;
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.media-format {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.media-title {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 23px;
  font-weight: 500;
  line-height: 1.22;
  transition: color 160ms ease;
}

.media-copy > p:not(.media-format) {
  margin: 14px 0 22px;
  color: var(--ink-soft);
  font-size: 14px;
}

.media-copy .text-link {
  margin-top: auto;
  align-self: flex-start;
}

.question {
  min-height: 210px;
  padding: 38px;
  border-right: 1px solid #555a5d;
  border-bottom: 1px solid #555a5d;
}

.question strong {
  display: block;
  margin-bottom: 16px;
  color: var(--cyan);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}

.question p {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  line-height: 1.3;
}

.safefleet-section {
  padding: 100px 0;
  background: #e7ecee;
}

.safefleet-shell {
  width: min(calc(100% - 48px), var(--content));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 72px;
  align-items: center;
}

.safefleet-copy h2 {
  max-width: 600px;
  margin: 18px 0 22px;
  font-size: 46px;
}

.safefleet-copy > p {
  max-width: 620px;
  color: var(--ink-soft);
  font-size: 17px;
}

.safefleet-signals {
  margin: 32px 0;
  border-top: 1px solid #aeb9bd;
}

.safefleet-signals > div {
  padding: 17px 0;
  border-bottom: 1px solid #aeb9bd;
  display: grid;
  grid-template-columns: 0.74fr 1.26fr;
  gap: 20px;
}

.safefleet-signals strong {
  font-size: 13px;
}

.safefleet-signals span {
  color: var(--ink-soft);
  font-size: 13px;
}

.safefleet-copy .button-row {
  align-items: center;
}

.safefleet-visual {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 14px;
  align-items: stretch;
}

.safefleet-shot {
  min-width: 0;
  margin: 0;
  border: 1px solid #aeb9bd;
  background: var(--white);
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
}

.safefleet-shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.safefleet-device-shot img {
  object-fit: contain;
}

.safefleet-shot figcaption {
  padding: 12px 14px;
  border-top: 1px solid #aeb9bd;
  color: var(--ink-soft);
  font-size: 11px;
}

.book-feature {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) 1.28fr;
  min-height: 600px;
  margin-bottom: 56px;
  border: 1px solid var(--line);
  background: var(--white);
}

.book-feature-art {
  min-height: 600px;
  padding: 0;
  background: #231f20;
  display: flex;
  align-items: center;
  justify-content: center;
}

.book-feature-art img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.book-copy {
  padding: 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.book-copy p {
  color: var(--ink-soft);
  font-size: 17px;
}

.published-books-feature {
  display: grid;
  grid-template-columns: minmax(340px, 0.92fr) 1.08fr;
  border: 1px solid var(--line);
  background: var(--white);
}

.published-books-photo {
  margin: 0;
  border-right: 1px solid var(--line);
  background: #d9d4ca;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
}

.published-books-photo img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 720px;
  object-fit: cover;
}

.published-books-photo figcaption {
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-soft);
  font-size: 12px;
}

.published-books-list {
  display: grid;
  grid-template-rows: repeat(3, 1fr);
}

.published-book {
  min-height: 200px;
  padding: 32px 38px;
  border-bottom: 1px solid var(--line);
}

.published-book:last-child {
  border-bottom: 0;
}

.published-book > span {
  display: block;
  margin-bottom: 12px;
  color: var(--coral);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.published-book h3 {
  margin: 0;
  font-size: 25px;
}

.published-book p {
  margin: 10px 0 14px;
  color: var(--ink-soft);
  font-size: 14px;
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.book-card {
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--white);
}

.book-cover {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  padding: 26px;
  background: #202629;
  color: var(--white);
  display: flex;
  align-items: flex-end;
}

.book-cover::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(6, 10, 11, 0.94), rgba(6, 10, 11, 0.08));
  content: "";
}

.book-cover.iot {
  background-image: url("assets/iot-lorawan-background.png");
  background-position: center;
  background-size: cover;
}

.book-cover.blockchain {
  background-image: url("assets/blockchain-background.png");
  background-position: center;
  background-size: cover;
}

.book-cover.datacenter {
  background-color: #183640;
  background-image:
    linear-gradient(90deg, transparent 48%, rgba(255,255,255,0.16) 50%, transparent 52%),
    linear-gradient(0deg, transparent 48%, rgba(255,255,255,0.12) 50%, transparent 52%);
  background-size: 48px 48px;
}

.book-cover strong {
  position: relative;
  z-index: 1;
  max-width: 300px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  font-weight: 500;
  line-height: 1.15;
}

.book-meta {
  min-height: 165px;
  padding: 24px;
}

.book-meta p {
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 14px;
}

.publication-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.publication {
  min-height: 300px;
  padding: 38px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.publication .publication-type {
  display: block;
  margin-bottom: 24px;
  color: var(--coral);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.publication h3 {
  font-size: 27px;
}

.publication p {
  color: var(--ink-soft);
  font-size: 15px;
}

.speaking-band {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 84px;
  align-items: start;
}

.speaking-list {
  border-top: 1px solid #565b5d;
}

.speaking-item {
  padding: 28px 0;
  border-bottom: 1px solid #565b5d;
}

.speaking-item small {
  display: block;
  margin-bottom: 7px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.speaking-item strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 23px;
  font-weight: 500;
}

.speaking-gallery {
  display: grid;
  gap: 16px;
  margin-top: 34px;
}

.speaking-photo {
  margin: 0;
  border: 1px solid #565b5d;
  background: #202629;
}

.speaking-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.speaking-photo figcaption {
  padding: 16px 18px 18px;
  border-top: 1px solid #565b5d;
}

.speaking-photo figcaption strong,
.speaking-photo figcaption span {
  display: block;
}

.speaking-photo figcaption strong {
  margin-bottom: 5px;
  color: var(--cyan);
  font-size: 12px;
  text-transform: uppercase;
}

.speaking-photo figcaption span {
  color: #c4c9ca;
  font-size: 13px;
}

.speaking-photo-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: #565b5d;
}

.speaking-photo-pair img {
  aspect-ratio: 3 / 4;
  background: #202629;
}

.affiliation-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.affiliation-item {
  min-width: 0;
  padding: 30px 34px 32px 0;
  border-bottom: 1px solid var(--line);
}

.affiliation-item:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.affiliation-item:nth-child(even) {
  padding-left: 34px;
}

.affiliation-item span {
  color: var(--coral);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.affiliation-item h3 {
  margin: 10px 0 12px;
  font-size: 28px;
}

.affiliation-item p {
  max-width: 520px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.about-preview {
  display: grid;
  grid-template-columns: 0.46fr 1.54fr;
  gap: 72px;
  align-items: start;
}

.about-preview-label p {
  margin: 38px 0 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  font-size: 28px;
  line-height: 1.22;
}

.about-preview .feature-title {
  margin-top: 0;
  font-size: 48px;
}

.about-preview p {
  color: var(--ink-soft);
  font-size: 18px;
}

.contact-band {
  padding: 80px 0;
  background: var(--coral);
  color: #161313;
}

.contact-inner {
  width: min(calc(100% - 48px), var(--content));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
  align-items: center;
}

.contact-inner h2 {
  max-width: 760px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 48px;
  font-weight: 500;
  line-height: 1.08;
}

.contact-actions {
  display: flex;
  justify-content: flex-end;
}

.site-footer {
  padding: 38px 0;
  background: #111416;
  color: #aeb3b5;
}

.footer-inner {
  width: min(calc(100% - 48px), var(--content));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 28px;
  font-size: 13px;
}

.footer-inner a {
  color: var(--white);
}

.page-hero {
  padding: 96px 0 88px;
  background: #171a1c;
  color: var(--white);
}

.page-hero-inner {
  width: min(calc(100% - 48px), var(--content));
  margin: 0 auto;
}

.page-hero h1 {
  max-width: 920px;
  font-size: 66px;
}

.page-hero .lede {
  max-width: 760px;
  margin: 28px 0 0;
  color: #c1c5c7;
  font-size: 20px;
}

.page-credential-line {
  margin: 28px 0 0;
  padding-top: 20px;
  border-top: 1px solid #3b4144;
  color: #8fc6d8;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.6;
  text-transform: uppercase;
}

.case-study {
  padding: 92px 0;
  border-bottom: 1px solid var(--line);
}

.case-study:nth-child(even) {
  background: var(--white);
}

.case-shell {
  width: min(calc(100% - 48px), var(--content));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(240px, 0.55fr) minmax(0, 1.45fr);
  gap: 92px;
}

.case-aside {
  position: sticky;
  top: 104px;
  align-self: start;
}

.case-index {
  display: block;
  margin-bottom: 20px;
  color: var(--coral);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  font-weight: 800;
}

.case-aside h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 37px;
  font-weight: 500;
  line-height: 1.1;
}

.case-aside p {
  color: var(--ink-soft);
}

.case-body h3 {
  margin: 54px 0 14px;
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
}

.case-body h3:first-child {
  margin-top: 0;
}

.case-body p,
.case-body li {
  color: #353b3e;
  font-size: 17px;
}

.case-body ul,
.case-body ol {
  padding-left: 24px;
}

.case-body li {
  margin-bottom: 10px;
}

.case-quote {
  margin: 40px 0;
  padding: 30px 34px;
  border-left: 6px solid var(--cyan);
  background: #e2eff0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  line-height: 1.4;
}

.case-visual {
  margin: 44px 0;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 24px;
}

.case-visual figcaption {
  margin-top: 14px;
  color: var(--ink-soft);
  font-size: 13px;
}

.source-list {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.source-link {
  display: block;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
  text-decoration: none;
}

.source-link:hover {
  color: var(--coral);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 44px;
}

.filter-button {
  min-height: 42px;
  border: 1px solid var(--ink);
  border-radius: 2px;
  background: transparent;
  color: var(--ink);
  padding: 9px 14px;
  font: inherit;
  font-size: 13px;
  font-weight: 750;
  cursor: pointer;
}

.filter-button:hover,
.filter-button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--white);
}

.record-list {
  border-top: 1px solid var(--line);
}

.record {
  display: grid;
  grid-template-columns: 180px 1fr 120px;
  gap: 28px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.record[hidden] {
  display: none;
}

.record-type,
.record-year {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 750;
  text-transform: uppercase;
}

.record h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 23px;
  font-weight: 500;
  line-height: 1.25;
}

.record h3 a {
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.record p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.about-lead {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 80px;
  align-items: start;
}

.about-lead img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
}

.about-lead h2 {
  font-size: 48px;
}

.about-lead p {
  color: var(--ink-soft);
  font-size: 19px;
}

.principle-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.principle {
  min-height: 250px;
  padding: 34px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principle strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 25px;
  line-height: 1.2;
}

.principle p {
  color: var(--ink-soft);
  font-size: 15px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease;
}

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

@media (max-width: 980px) {
  .hero {
    min-height: min(720px, calc(100vh - var(--nav-height) - 48px));
  }

  .hero::before {
    background-image:
      linear-gradient(90deg, rgba(13,16,18,0.98), rgba(13,16,18,0.8) 62%, rgba(13,16,18,0.16)),
      url("assets/amit-singh.png");
    background-position: center, right -120px center;
    background-size: cover, 680px auto;
  }

  .hero h1 {
    font-size: 62px;
  }

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

  .proof-item:nth-child(4),
  .proof-item:nth-child(5) {
    border-top: 1px solid var(--line);
  }

  .section-head,
  .speaking-band,
  .about-preview,
  .about-lead,
  .safefleet-shell {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .work-row,
  .book-feature,
  .published-books-feature {
    grid-template-columns: 1fr;
  }

  .published-books-photo {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    display: block;
  }

  .published-books-photo img {
    height: auto;
    max-height: none;
  }

  .work-row:nth-child(even) .work-visual {
    order: 0;
  }

  .book-grid,
  .principle-list,
  .featured-media-grid {
    grid-template-columns: 1fr 1fr;
  }

  .case-shell {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .channel-shell {
    grid-template-columns: 1fr;
  }

  .channel-visual,
  .channel-copy {
    min-height: 0;
    padding: 64px max(32px, calc((100vw - 720px) / 2));
  }

  .safefleet-visual {
    max-width: 760px;
  }

  .case-aside {
    position: static;
  }
}

@media (max-width: 760px) {
  .error-inner h1 {
    font-size: 48px;
  }

  :root {
    --nav-height: 64px;
  }

  .nav-shell,
  .hero-inner,
  .proof-grid,
  .section-shell,
  .safefleet-shell,
  .contact-inner,
  .footer-inner,
  .page-hero-inner,
  .case-shell {
    width: min(calc(100% - 32px), var(--content));
  }

  .menu-button {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: auto;
    height: calc(100dvh - var(--nav-height));
    background: var(--paper);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 34px 24px;
    gap: 22px;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 28px;
    font-weight: 500;
  }

  .hero {
    min-height: 700px;
    min-height: calc(100vh - var(--nav-height) - 40px);
    max-height: none;
    align-items: flex-end;
  }

  .hero::before {
    background-image:
      linear-gradient(0deg, rgba(13,16,18,0.99) 0%, rgba(13,16,18,0.93) 46%, rgba(13,16,18,0.06) 82%),
      url("assets/amit-singh.png");
    background-position: center, center top;
    background-size: cover, 520px auto;
  }

  .hero-inner {
    padding: 300px 0 44px;
  }

  .hero h1 {
    font-size: 49px;
  }

  .hero-role {
    font-size: 19px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .hero-actions {
    gap: 8px;
    margin-top: 28px;
  }

  .hero-actions .button {
    min-height: 44px;
    padding: 10px 12px;
    font-size: 13px;
  }

  .proof-grid {
    grid-template-columns: 1fr 1fr;
  }

  .proof-item,
  .proof-item:nth-child(3) {
    border-top: 1px solid var(--line);
  }

  .proof-item:first-child,
  .proof-item:nth-child(2) {
    border-top: 0;
  }

  .section {
    padding: 72px 0;
  }

  .section-head {
    margin-bottom: 40px;
  }

  .section h2,
  .page-hero h1 {
    font-size: 41px;
  }

  .work-visual {
    min-height: 340px;
  }

  .work-copy,
  .book-copy {
    padding: 34px 24px;
  }

  .work-copy h3,
  .book-copy h3,
  .feature-title {
    font-size: 29px;
  }

  .domain-map {
    padding: 20px;
    gap: 7px;
  }

  .domain-node {
    padding: 10px;
    font-size: 10px;
  }

  .domain-core {
    width: 130px;
    height: 72px;
    font-size: 11px;
  }

  .agent-visual {
    padding: 24px;
  }

  .question-grid,
  .publication-grid,
  .book-grid,
  .principle-list,
  .featured-media-grid {
    grid-template-columns: 1fr;
  }

  .media-copy {
    min-height: 0;
  }

  .channel-visual,
  .channel-copy {
    padding: 56px 24px;
  }

  .channel-mark {
    font-size: 48px;
  }

  .channel-brand {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .channel-logo {
    width: 92px;
    height: 92px;
  }

  .channel-copy h2 {
    font-size: 38px;
  }

  .channel-copy > p {
    font-size: 16px;
  }

  .channel-stats {
    grid-template-columns: 1fr;
  }

  .newsletter-proof {
    grid-template-columns: 1fr;
  }

  .channel-stat,
  .channel-stat:not(:first-child) {
    min-height: 0;
    padding: 18px 0;
    border-right: 0;
    border-bottom: 1px solid #4a555a;
  }

  .channel-stat:last-child {
    border-bottom: 0;
  }

  .question {
    min-height: 180px;
    padding: 28px 24px;
  }

  .question p {
    font-size: 21px;
  }

  .safefleet-section {
    padding: 66px 0;
  }

  .safefleet-copy h2 {
    font-size: 38px;
  }

  .safefleet-signals > div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .safefleet-visual {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .safefleet-shot figcaption {
    min-height: 52px;
  }

  .book-feature-art {
    min-height: 0;
  }

  .published-book {
    min-height: 0;
    padding: 28px 24px;
  }

  .contact-inner {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .contact-inner h2 {
    font-size: 38px;
  }

  .contact-actions {
    justify-content: flex-start;
  }

  .footer-inner {
    flex-direction: column;
  }

  .page-hero {
    padding: 72px 0 64px;
  }

  .page-hero .lede {
    font-size: 17px;
  }

  .affiliation-list {
    grid-template-columns: 1fr;
  }

  .affiliation-item,
  .affiliation-item:nth-child(even) {
    padding: 26px 0;
    border-right: 0;
  }

  .case-study {
    padding: 66px 0;
  }

  .case-aside h2 {
    font-size: 32px;
  }

  .case-quote {
    padding: 24px;
    font-size: 21px;
  }

  .record {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .record-year {
    order: 2;
  }

  .about-lead img {
    aspect-ratio: 1 / 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

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