:root {
  --parchment: #b98242;
  --parchment-light: #dfba72;
  --parchment-soft: #edd18a;
  --burn: #321407;
  --ink: #241208;
  --ink-soft: #5f341b;
  --faded: #8b5b2e;
  --red: #8f251d;
  --green: #49582b;
  --blue: #374c5b;
  --line: rgba(36, 18, 8, 0.24);
  --shadow: 0 28px 70px rgba(54, 26, 9, 0.28);
  --serif: "Cormorant Garamond", Georgia, serif;
  --hand: "Caveat", "Comic Sans MS", cursive;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(ellipse at 18% 15%, rgba(255, 224, 133, 0.5), transparent 28vw),
    radial-gradient(circle at 85% 16%, rgba(50, 20, 7, 0.38), transparent 24vw),
    radial-gradient(circle at 28% 78%, rgba(74, 30, 8, 0.32), transparent 28vw),
    radial-gradient(circle at 62% 42%, rgba(95, 50, 17, 0.18), transparent 15rem),
    radial-gradient(ellipse at center, var(--parchment-light) 0%, var(--parchment) 44%, #6d3818 100%);
  color: var(--ink);
  font-family: var(--sans);
  overflow-x: hidden;
}

html,
body {
  max-width: 100%;
}

body.intro-active {
  overflow: hidden;
}

body::before,
body::after,
.map-weathering {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  content: "";
  z-index: -4;
  background:
    repeating-linear-gradient(7deg, rgba(255, 244, 194, 0.09) 0 2px, transparent 2px 9px),
    repeating-linear-gradient(96deg, rgba(54, 26, 9, 0.095) 0 1px, transparent 1px 13px),
    linear-gradient(27deg, transparent 0 48%, rgba(49, 22, 7, 0.12) 49%, transparent 51% 100%);
  mix-blend-mode: multiply;
}

body::after {
  content: "";
  z-index: -2;
  background:
    radial-gradient(circle at 12% 8%, rgba(32, 12, 4, 0.6), transparent 17vw),
    radial-gradient(circle at 91% 5%, rgba(32, 12, 4, 0.62), transparent 19vw),
    radial-gradient(circle at 4% 96%, rgba(32, 12, 4, 0.64), transparent 18vw),
    radial-gradient(circle at 98% 94%, rgba(32, 12, 4, 0.64), transparent 18vw),
    radial-gradient(ellipse at 50% -2%, rgba(255, 232, 155, 0.3), transparent 20vw),
    linear-gradient(90deg, rgba(28, 10, 3, 0.56), transparent 11%, transparent 89%, rgba(28, 10, 3, 0.56)),
    linear-gradient(180deg, rgba(28, 10, 3, 0.56), transparent 13%, transparent 87%, rgba(28, 10, 3, 0.58));
}

.map-weathering {
  z-index: -3;
  opacity: 0.7;
  background-image:
    radial-gradient(circle at 11% 28%, rgba(36, 18, 8, 0.35) 0 1px, transparent 2px),
    radial-gradient(circle at 31% 66%, rgba(36, 18, 8, 0.25) 0 1px, transparent 2px),
    radial-gradient(circle at 64% 35%, rgba(36, 18, 8, 0.22) 0 1px, transparent 2px),
    radial-gradient(circle at 87% 77%, rgba(36, 18, 8, 0.3) 0 1px, transparent 2px),
    radial-gradient(ellipse at 44% 22%, rgba(70, 28, 7, 0.24), transparent 16rem),
    radial-gradient(ellipse at 72% 68%, rgba(70, 28, 7, 0.2), transparent 13rem),
    repeating-radial-gradient(ellipse at 50% 50%, transparent 0 38px, rgba(36, 18, 8, 0.045) 39px 40px);
  background-size: 170px 210px, 230px 260px, 190px 230px, 310px 300px, auto, auto, 360px 260px;
}

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

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

button {
  font: inherit;
}

.intro-gate {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  background: transparent;
  cursor: pointer;
  opacity: 1;
  visibility: visible;
  transition: opacity 500ms ease, visibility 500ms ease;
  animation: introFadeOut 8000ms ease-out forwards;
  will-change: opacity;
}

.intro-gate--hidden {
  opacity: 0;
  visibility: hidden;
}

.intro-video {
  width: 100vw;
  height: 100svh;
  object-fit: cover;
  background: #050302;
  transform: translateZ(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding: 14px clamp(16px, 4vw, 52px);
  border-bottom: 1px solid rgba(36, 18, 8, 0.28);
  background: rgba(185, 125, 59, 0.78);
  backdrop-filter: blur(16px);
}

.brand,
.site-nav,
.hero-actions,
.filter-bar,
.contact-panel,
.site-footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.brand span {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 2px solid var(--ink);
  border-radius: 50%;
  color: var(--red);
  font-family: var(--serif);
  font-size: 19px;
  transform: rotate(-12deg);
  box-shadow: inset 0 0 0 5px rgba(143, 37, 29, 0.13);
}

.site-nav {
  gap: clamp(10px, 2vw, 24px);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 800;
}

.site-nav a {
  position: relative;
  color: var(--ink-soft);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -5px;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.hero,
.section,
.page-hero,
.site-footer {
  width: min(1160px, calc(100% - 36px));
  margin-inline: auto;
}

.map-sheet {
  position: relative;
}

.map-sheet::before {
  content: "";
  position: absolute;
  inset: -22px;
  z-index: -1;
  border-radius: 42% 58% 48% 52% / 5% 7% 6% 5%;
  background:
    radial-gradient(circle at 8% 12%, rgba(57, 22, 6, 0.18), transparent 8rem),
    radial-gradient(circle at 90% 86%, rgba(57, 22, 6, 0.2), transparent 9rem),
    linear-gradient(90deg, rgba(51, 23, 7, 0.22), transparent 8%, transparent 92%, rgba(51, 23, 7, 0.24)),
    linear-gradient(180deg, rgba(51, 23, 7, 0.2), transparent 10%, transparent 90%, rgba(51, 23, 7, 0.24)),
    rgba(229, 185, 104, 0.46);
  filter: drop-shadow(0 26px 42px rgba(54, 26, 9, 0.27));
}

.map-sheet::after,
.map-routes::before {
  content: "";
  position: absolute;
  pointer-events: none;
}

.map-sheet::after {
  inset: 8% 6%;
  z-index: -1;
  opacity: 0.28;
  background:
    radial-gradient(circle at 18% 72%, transparent 0 10px, rgba(36, 18, 8, 0.48) 11px 12px, transparent 13px),
    radial-gradient(circle at 68% 30%, transparent 0 10px, rgba(36, 18, 8, 0.42) 11px 12px, transparent 13px),
    linear-gradient(134deg, transparent 0 28%, rgba(36, 18, 8, 0.34) 29%, transparent 30%),
    linear-gradient(23deg, transparent 0 58%, rgba(36, 18, 8, 0.28) 59%, transparent 60%);
  border-radius: 50%;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(310px, 0.72fr);
  gap: clamp(30px, 5vw, 76px);
  align-items: center;
  min-height: calc(100svh - 74px);
  padding: 56px 0 72px;
}

.page-hero {
  padding: clamp(70px, 9vw, 120px) 0 32px;
}

.page-hero p {
  max-width: 760px;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.7;
}

.signal,
.section-kicker,
.project-card p,
.research-card p,
.overview-card p,
.index,
.metric + small,
.telemetry-board small {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.signal,
.section-kicker {
  width: fit-content;
  color: var(--red);
}

.signal {
  padding: 8px 0;
  border-block: 1px solid var(--red);
}

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

h1 {
  max-width: 960px;
  margin: 22px 0 24px;
  font-family: var(--serif);
  font-size: clamp(52px, 7.7vw, 112px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: 0;
  text-wrap: balance;
}

h1::first-letter {
  color: var(--red);
  font-size: 1.16em;
}

h2 {
  margin: 18px 0;
  font-family: var(--serif);
  font-size: clamp(42px, 6.2vw, 78px);
  font-weight: 700;
  line-height: 0.94;
  letter-spacing: 0;
  text-wrap: balance;
}

.hero-copy {
  position: relative;
}

.hero-copy::after {
  content: "route note: build deeply, publish clearly";
  position: absolute;
  right: 4%;
  bottom: -48px;
  max-width: 230px;
  color: var(--green);
  font-family: var(--hand);
  font-size: 30px;
  line-height: 0.9;
  transform: rotate(-6deg);
}

.hero-text,
.section-head p,
.split p,
.contact-copy p {
  color: var(--ink-soft);
  font-size: clamp(17px, 1.7vw, 20px);
  line-height: 1.72;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 19px;
  border: 1px solid var(--ink);
  background: rgba(241, 217, 158, 0.35);
  color: var(--ink);
  font-family: var(--mono);
  font-weight: 900;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.button:hover {
  transform: translateY(-3px) rotate(-1deg);
}

.button.primary {
  background: var(--ink);
  color: var(--parchment-soft);
  box-shadow: 6px 6px 0 rgba(36, 18, 8, 0.16);
}

.hero-visual {
  position: relative;
}

.hero-visual::before {
  content: "charted";
  position: absolute;
  top: -22px;
  right: -14px;
  z-index: 2;
  display: grid;
  width: 96px;
  height: 96px;
  place-items: center;
  border: 2px solid var(--red);
  border-radius: 50%;
  color: var(--red);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  transform: rotate(13deg);
  opacity: 0.72;
}

.portrait-plate {
  overflow: hidden;
  border: 1px solid rgba(36, 18, 8, 0.42);
  background: rgba(241, 217, 158, 0.78);
  box-shadow: var(--shadow);
  padding: 12px 12px 18px;
  transform: rotate(1.7deg);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 0 4px 10px;
  color: var(--ink-soft);
}

.window-bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--red);
  opacity: 0.5;
}

.window-bar span:nth-child(2) {
  background: var(--green);
}

.window-bar span:nth-child(3) {
  background: var(--blue);
}

.window-bar strong {
  margin-left: auto;
  font-family: var(--hand);
  font-size: 28px;
  font-weight: 700;
}

.portrait-plate img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  filter: sepia(0.58) saturate(0.62) contrast(1.12);
}

.telemetry-board {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 18px;
  transform: rotate(-1.2deg);
}

.telemetry-board div,
.map-note {
  min-height: 112px;
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(241, 217, 158, 0.58);
  box-shadow: 4px 5px 0 rgba(36, 18, 8, 0.08);
}

.telemetry-board span {
  display: block;
  margin-bottom: 8px;
  color: var(--sepia, #74451f);
  font-family: var(--serif);
  font-size: clamp(31px, 4.5vw, 58px);
  font-weight: 700;
  line-height: 0.9;
}

.telemetry-board small,
.map-note small {
  color: var(--ink-soft);
}

.marquee {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: rgba(241, 217, 158, 0.28);
}

.marquee div {
  display: flex;
  width: max-content;
  animation: scroll 34s linear infinite;
}

.marquee span {
  padding: 14px 24px;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.section {
  padding: clamp(72px, 10vw, 132px) 0;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(260px, 0.55fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 30px;
}

.overview-grid,
.project-grid,
.timeline,
.stack-grid {
  display: grid;
  gap: 16px;
}

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

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

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

.stack-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.overview-card,
.project-card,
.research-card,
.stack-card,
.timeline article,
.map-note {
  position: relative;
  min-height: 286px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 8% 10%, rgba(57, 22, 6, 0.16), transparent 7rem),
    linear-gradient(135deg, rgba(80, 35, 8, 0.16), transparent 44%),
    linear-gradient(180deg, rgba(255, 221, 137, 0.52), rgba(173, 106, 45, 0.3)),
    rgba(222, 178, 92, 0.68);
  padding: 22px;
  box-shadow: 0 18px 32px rgba(66, 39, 13, 0.12);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.map-routes {
  position: relative;
}

.map-routes::before {
  left: 7%;
  right: 7%;
  top: 54%;
  height: 2px;
  border-top: 2px dashed rgba(36, 18, 8, 0.28);
  transform: rotate(-2deg);
}

.overview-card::before,
.project-card::before,
.research-card::before,
.stack-card::before,
.timeline article::before,
.map-note::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(36, 18, 8, 0.16);
  pointer-events: none;
}

.overview-card::after,
.project-card::after {
  content: "x";
  position: absolute;
  right: 20px;
  bottom: 12px;
  color: rgba(143, 37, 29, 0.58);
  font-family: var(--hand);
  font-size: 34px;
  transform: rotate(-8deg);
}

.overview-card:hover,
.project-card:hover,
.research-card:hover,
.stack-card:hover,
.timeline article:hover {
  transform: translateY(-6px) rotate(-0.7deg);
  box-shadow: 0 28px 50px rgba(66, 39, 13, 0.18);
}

.project-card.hidden {
  display: none;
}

.project-card.standout {
  grid-column: span 2;
}

.index {
  position: absolute;
  top: 20px;
  right: 20px;
  color: var(--red);
}

.overview-card p,
.project-card p,
.research-card p,
.map-note p {
  margin-top: 12px;
  color: var(--blue);
}

.overview-card h3,
.project-card h3,
.research-card h3,
.stack-card h3,
.timeline h3,
.map-note h3 {
  max-width: 88%;
  margin-bottom: 14px;
  font-family: var(--serif);
  font-size: 31px;
  font-weight: 700;
  line-height: 0.96;
}

.overview-card small,
.project-card small,
.research-card small,
.stack-card p,
.timeline p {
  display: block;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.62;
}

.overview-card a,
.project-card a,
.research-card a {
  position: absolute;
  bottom: 20px;
  left: 22px;
  z-index: 2;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 900;
  color: var(--red);
  border-bottom: 1px solid currentColor;
}

.filter-bar {
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.filter {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: rgba(241, 217, 158, 0.46);
  color: var(--ink);
  cursor: pointer;
  font-family: var(--mono);
  font-weight: 900;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.filter.active,
.filter:hover {
  background: var(--red);
  color: var(--parchment-soft);
  transform: rotate(-1deg);
}

.split,
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(320px, 0.58fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
}

.research-list {
  display: grid;
  gap: 16px;
}

.research-list.wide {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.research-card {
  min-height: 258px;
}

.research-card::after {
  content: "sealed";
  position: absolute;
  top: 18px;
  right: 18px;
  border: 2px solid var(--red);
  border-radius: 50%;
  padding: 18px 10px;
  color: var(--red);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  transform: rotate(10deg);
  opacity: 0.62;
}

.timeline article {
  min-height: 245px;
}

.timeline span {
  display: inline-grid;
  width: 48px;
  height: 48px;
  place-items: center;
  margin: 10px 0 18px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  color: var(--red);
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 700;
}

.stack-card {
  min-height: 220px;
}

.stack-card h3 {
  margin-top: 10px;
  color: var(--faded);
}

.contact-section {
  align-items: center;
  padding-top: clamp(76px, 10vw, 130px);
}

.contact-panel {
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  border-left: 1px solid var(--line);
  padding-left: 18px;
}

.contact-panel a {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--mono);
  font-weight: 900;
  overflow-wrap: anywhere;
}

.contact-panel a:hover {
  color: var(--red);
}

.site-footer {
  justify-content: space-between;
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 800;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--red);
}

.reveal {
  opacity: 0;
  transform: translateY(28px) rotate(0.8deg);
  filter: sepia(0.24) blur(1px);
  transition: opacity 680ms ease, transform 680ms cubic-bezier(0.2, 0.8, 0.2, 1), filter 680ms ease;
  transition-delay: var(--delay, 0ms);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0) rotate(0);
  filter: sepia(0) blur(0);
}

body.ink-settle .project-card:not(.hidden) {
  animation: inkSettle 360ms ease both;
}

body.page-arrive main {
  animation: mapUnfoldIn 720ms cubic-bezier(0.2, 0.78, 0.2, 1) both;
  transform-origin: 50% 0%;
}

body.turning-page {
  overflow: hidden;
}

.page-turn {
  position: fixed;
  inset: 0;
  z-index: 1000;
  pointer-events: none;
  perspective: 2800px;
  perspective-origin: 50% 46%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 120ms ease, visibility 120ms ease;
}

.page-turn.active {
  opacity: 1;
  visibility: visible;
}

.page-turn::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 50%, transparent 0 32%, rgba(30, 10, 2, 0.42) 72%, rgba(10, 3, 1, 0.86) 100%),
    rgba(36, 18, 8, 0.18);
  opacity: 0;
}

.page-turn.active::before {
  animation: lanternDim 1180ms ease both;
}

.page-turn-book {
  position: relative;
  width: 100vw;
  height: 100vh;
  transform-style: preserve-3d;
  transform: translateZ(0);
  filter: drop-shadow(0 42px 60px rgba(23, 8, 2, 0.52));
}

.book-page,
.leaf-face {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  padding: clamp(34px, 7vw, 96px);
  overflow: hidden;
  border: 1px solid rgba(36, 18, 8, 0.36);
  transform-style: preserve-3d;
  background:
    radial-gradient(circle at 16% 18%, rgba(255, 226, 133, 0.55), transparent 16rem),
    radial-gradient(circle at 74% 64%, rgba(56, 20, 5, 0.32), transparent 18rem),
    radial-gradient(circle at 8% 88%, rgba(27, 9, 2, 0.24), transparent 9rem),
    repeating-linear-gradient(9deg, rgba(255, 242, 188, 0.08) 0 2px, transparent 2px 9px),
    linear-gradient(90deg, rgba(45, 17, 4, 0.52), transparent 9%, transparent 84%, rgba(37, 13, 3, 0.72)),
    linear-gradient(180deg, #dfb765, #a96a2c 55%, #6b3515);
  box-shadow: inset 0 0 90px rgba(41, 16, 4, 0.72), -44px 0 80px rgba(18, 6, 1, 0.5);
}

.book-left {
  left: 0;
  border-radius: 0 2% 2% 0 / 0 2% 3% 0;
  transform: rotateY(0deg);
  transform-origin: right center;
}

.turn-leaf {
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  width: 50%;
  transform-origin: left center;
  transform-style: preserve-3d;
  transform: rotateY(0deg);
  will-change: transform, filter;
}

.page-turn.active .turn-leaf {
  animation: realPageTurn 1180ms cubic-bezier(0.64, 0.02, 0.16, 1) forwards;
}

.leaf-face {
  inset: 0;
  width: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-left: 0;
}

.leaf-front {
  border-radius: 2% 0 0 2% / 2% 0 0 3%;
  transform: rotateY(0deg);
}

.leaf-back {
  border-radius: 0 2% 2% 0 / 0 2% 3% 0;
  transform: rotateY(180deg);
  background:
    radial-gradient(circle at 22% 26%, rgba(255, 231, 151, 0.45), transparent 14rem),
    radial-gradient(circle at 82% 76%, rgba(56, 20, 5, 0.28), transparent 17rem),
    repeating-linear-gradient(-7deg, rgba(255, 242, 188, 0.07) 0 2px, transparent 2px 9px),
    linear-gradient(90deg, rgba(39, 14, 3, 0.64), transparent 14%, transparent 90%, rgba(39, 14, 3, 0.24)),
    linear-gradient(180deg, #c99042, #d9b064 52%, #6a3211);
}

.book-page::before,
.book-page::after,
.leaf-face::before,
.leaf-face::after,
.book-page i,
.leaf-face i {
  content: "";
  position: absolute;
  pointer-events: none;
}

.book-page::before,
.leaf-face::before {
  inset: 0;
  background:
    radial-gradient(circle at 8% 9%, rgba(27, 9, 2, 0.65), transparent 13vw),
    radial-gradient(circle at 93% 8%, rgba(27, 9, 2, 0.7), transparent 14vw),
    radial-gradient(circle at 6% 94%, rgba(27, 9, 2, 0.72), transparent 15vw),
    radial-gradient(circle at 95% 96%, rgba(27, 9, 2, 0.74), transparent 15vw),
    linear-gradient(124deg, transparent 0 38%, rgba(36, 18, 8, 0.28) 39%, transparent 40%),
    linear-gradient(28deg, transparent 0 62%, rgba(36, 18, 8, 0.22) 63%, transparent 64%);
  mix-blend-mode: multiply;
}

.turn-leaf::before {
  content: "";
  position: absolute;
  z-index: 5;
  top: 0;
  bottom: 0;
  left: -2px;
  width: 28px;
  background: linear-gradient(90deg, rgba(18, 5, 1, 0.72), rgba(255, 231, 144, 0.22), transparent);
  filter: blur(0.5px);
  pointer-events: none;
}

.turn-leaf::after {
  content: "";
  position: absolute;
  z-index: 6;
  top: 0;
  bottom: 0;
  right: 0;
  width: 38%;
  background: linear-gradient(90deg, transparent, rgba(255, 226, 134, 0.34), rgba(35, 11, 2, 0.46));
  opacity: 0;
  pointer-events: none;
}

.page-turn.active .turn-leaf::after {
  animation: pageCurlShine 1180ms cubic-bezier(0.64, 0.02, 0.16, 1) forwards;
}

.book-page i,
.leaf-face i {
  inset: 18% 14%;
  opacity: 0.4;
  background:
    radial-gradient(circle at 18% 68%, transparent 0 12px, rgba(36, 18, 8, 0.55) 13px 14px, transparent 15px),
    radial-gradient(circle at 68% 31%, transparent 0 12px, rgba(36, 18, 8, 0.48) 13px 14px, transparent 15px),
    radial-gradient(circle at 42% 48%, transparent 0 7px, rgba(143, 37, 29, 0.42) 8px 9px, transparent 10px),
    linear-gradient(143deg, transparent 0 29%, rgba(36, 18, 8, 0.44) 30%, transparent 31%),
    linear-gradient(22deg, transparent 0 58%, rgba(36, 18, 8, 0.38) 59%, transparent 60%),
    repeating-radial-gradient(ellipse at center, transparent 0 35px, rgba(36, 18, 8, 0.12) 36px 37px);
  transform: rotate(-2deg);
}

.book-label {
  display: block;
  position: relative;
  z-index: 2;
  margin-bottom: 18px;
  color: var(--red);
  font-family: var(--mono);
  font-size: clamp(12px, 1.2vw, 16px);
  font-weight: 900;
  text-transform: uppercase;
}

.book-page strong,
.leaf-face strong {
  display: block;
  position: relative;
  z-index: 2;
  max-width: min(78%, 720px);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(56px, 8.5vw, 132px);
  font-weight: 700;
  line-height: 0.86;
  text-wrap: balance;
}

.book-page em,
.leaf-face em {
  display: block;
  position: relative;
  z-index: 2;
  max-width: min(70%, 620px);
  margin-top: 20px;
  color: var(--ink-soft);
  font-family: var(--hand);
  font-size: clamp(34px, 5.2vw, 76px);
  font-style: normal;
  line-height: 0.9;
  transform: rotate(-4deg);
}

.leaf-front .book-label,
.leaf-front strong,
.leaf-front em {
  transform: translateZ(38px);
}

.leaf-front em {
  transform: translateZ(38px) rotate(-4deg);
}

.leaf-back .book-label,
.leaf-back strong,
.leaf-back em {
  transform: translateZ(38px);
}

.leaf-back em {
  transform: translateZ(38px) rotate(-4deg);
}

.page-turn.active .leaf-front .book-label,
.page-turn.active .leaf-front strong,
.page-turn.active .leaf-front em {
  animation: frontLeafWords 1180ms ease both;
}

.page-turn.active .leaf-back .book-label,
.page-turn.active .leaf-back strong,
.page-turn.active .leaf-back em {
  animation: backLeafWords 1180ms ease both;
}

.page-turn.active .leaf-front em {
  animation-name: frontLeafScript;
}

.page-turn.active .leaf-back em {
  animation-name: backLeafScript;
}

@keyframes scroll {
  to {
    transform: translateX(-50%);
  }
}

@keyframes mapUnfoldIn {
  0% {
    opacity: 0;
    transform: translateY(18px) rotateX(12deg) scale(0.985);
    filter: sepia(0.55) blur(2px);
  }
  100% {
    opacity: 1;
    transform: translateY(0) rotateX(0) scale(1);
    filter: sepia(0) blur(0);
  }
}

@keyframes introFadeOut {
  0% {
    opacity: 1;
  }
  34% {
    opacity: 0.92;
  }
  68% {
    opacity: 0.38;
  }
  100% {
    opacity: 0;
  }
}

@keyframes realPageTurn {
  0% {
    transform: rotateY(0deg) rotateZ(0deg) translateX(0);
    filter: brightness(1);
  }
  20% {
    transform: rotateY(-28deg) rotateZ(-0.35deg) translateX(-0.35vw);
    filter: brightness(1.03);
  }
  52% {
    transform: rotateY(-94deg) rotateZ(-1.1deg) translateX(-1.1vw);
    filter: brightness(0.76);
  }
  78% {
    transform: rotateY(-154deg) rotateZ(0.55deg) translateX(-0.45vw);
    filter: brightness(0.84);
  }
  100% {
    transform: rotateY(-180deg) rotateZ(0deg) translateX(0);
    filter: brightness(0.96);
  }
}

@keyframes pageCurlShine {
  0% {
    opacity: 0;
    transform: translateX(0);
  }
  24% {
    opacity: 0.72;
    transform: translateX(-12%);
  }
  54% {
    opacity: 0.92;
    transform: translateX(-44%);
  }
  100% {
    opacity: 0;
    transform: translateX(-82%);
  }
}

@keyframes frontLeafWords {
  0%,
  36% {
    opacity: 1;
    filter: blur(0);
  }
  54% {
    opacity: 0.38;
    filter: blur(0.4px);
  }
  72%,
  100% {
    opacity: 0;
    filter: blur(1.3px);
  }
}

@keyframes frontLeafScript {
  0%,
  36% {
    opacity: 1;
    filter: blur(0);
    transform: translateZ(38px) rotate(-4deg);
  }
  54% {
    opacity: 0.38;
    filter: blur(0.4px);
    transform: translateZ(38px) rotate(-4deg);
  }
  72%,
  100% {
    opacity: 0;
    filter: blur(1.3px);
    transform: translateZ(38px) rotate(-4deg);
  }
}

@keyframes backLeafWords {
  0%,
  46% {
    opacity: 0;
    filter: blur(1.2px);
  }
  64% {
    opacity: 0.62;
    filter: blur(0.3px);
  }
  82%,
  100% {
    opacity: 1;
    filter: blur(0);
  }
}

@keyframes backLeafScript {
  0%,
  46% {
    opacity: 0;
    filter: blur(1.2px);
    transform: translateZ(38px) rotate(-4deg);
  }
  64% {
    opacity: 0.62;
    filter: blur(0.3px);
    transform: translateZ(38px) rotate(-4deg);
  }
  82%,
  100% {
    opacity: 1;
    filter: blur(0);
    transform: translateZ(38px) rotate(-4deg);
  }
}

@keyframes lanternDim {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 0.9;
  }
  100% {
    opacity: 1;
  }
}

@keyframes inkSettle {
  0% {
    opacity: 0.35;
    transform: translateY(10px) rotate(1deg);
  }
  100% {
    opacity: 1;
    transform: translateY(0) rotate(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

@media (max-width: 980px) {
  body {
    background:
      radial-gradient(ellipse at 18% 12%, rgba(255, 224, 133, 0.42), transparent 28rem),
      radial-gradient(circle at 82% 18%, rgba(50, 20, 7, 0.28), transparent 18rem),
      linear-gradient(180deg, var(--parchment-light) 0%, var(--parchment) 48%, #7a421f 100%);
  }

  body::before {
    opacity: 0.65;
  }

  body::after {
    background:
      linear-gradient(90deg, rgba(28, 10, 3, 0.42), transparent 12%, transparent 88%, rgba(28, 10, 3, 0.42)),
      linear-gradient(180deg, rgba(28, 10, 3, 0.45), transparent 14%, transparent 86%, rgba(28, 10, 3, 0.45));
  }

  .map-weathering {
    opacity: 0.38;
  }

  .site-header,
  .site-nav {
    align-items: flex-start;
  }

  .site-header {
    flex-direction: column;
    gap: 14px;
    min-height: auto;
    background: rgba(185, 125, 59, 0.9);
    backdrop-filter: none;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero,
  .section-head,
  .split,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero > *,
  .section-head > *,
  .split > *,
  .contact-section > *,
  .overview-card,
  .project-card,
  .research-card,
  .stack-card,
  .timeline-item,
  .map-note,
  .contact-panel {
    min-width: 0;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
  }

  .hero-copy::after {
    position: static;
    display: block;
    margin-top: 24px;
  }

  .overview-grid,
  .project-grid,
  .timeline,
  .stack-grid,
  .research-list.wide {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .map-sheet::before {
    inset: 0;
    filter: none;
  }

  .portrait-plate img {
    filter: sepia(0.35) saturate(0.78) contrast(1.05);
  }

  .reveal {
    filter: none;
    transition: opacity 480ms ease, transform 480ms cubic-bezier(0.2, 0.8, 0.2, 1);
  }

  .reveal.visible {
    filter: none;
  }

  .page-turn {
    perspective: 1400px;
  }

  .page-turn-book {
    filter: none;
  }

  .book-page,
  .leaf-face {
    padding: clamp(24px, 5vw, 48px);
    box-shadow: inset 0 0 42px rgba(41, 16, 4, 0.55);
  }

  .book-page strong,
  .leaf-face strong {
    max-width: 92%;
    font-size: clamp(34px, 9vw, 78px);
    line-height: 0.95;
  }

  .book-page em,
  .leaf-face em {
    max-width: 88%;
    font-size: clamp(24px, 6vw, 46px);
    line-height: 1;
  }
}

@media (max-width: 640px) {
  .hero,
  .section,
  .page-hero,
  .site-footer {
    width: min(100% - 24px, 1160px);
  }

  h1 {
    max-width: 100%;
    font-size: clamp(30px, 8.4vw, 34px);
    line-height: 1.08;
    overflow-wrap: anywhere;
    text-wrap: wrap;
  }

  h2 {
    max-width: 100%;
    font-size: clamp(32px, 10.5vw, 48px);
    line-height: 0.98;
    overflow-wrap: anywhere;
    text-wrap: wrap;
  }

  .site-header {
    padding: 12px 14px;
  }

  .brand span {
    width: 38px;
    height: 38px;
    font-size: 17px;
  }

  .site-nav {
    gap: 16px;
    font-size: 12px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .hero {
    gap: 26px;
    padding: 34px 0 56px;
  }

  .hero-text,
  .page-hero p,
  .section-head p,
  .split p {
    font-size: 16px;
    line-height: 1.62;
    overflow-wrap: anywhere;
  }

  .hero-actions,
  .button,
  .site-footer {
    width: 100%;
  }

  .button {
    min-height: 52px;
  }

  .marquee {
    transform: none;
    max-width: 100%;
    contain: paint;
  }

  .marquee div {
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    animation: none;
  }

  .marquee span {
    padding: 10px 12px;
  }

  .hero-visual,
  .portrait-plate,
  .portrait-plate img,
  .telemetry-board {
    max-width: 100%;
  }

  .portrait-plate {
    transform: none;
  }

  .section {
    padding: 56px 0;
  }

  .telemetry-board,
  .overview-grid,
  .project-grid,
  .timeline,
  .stack-grid,
  .research-list.wide {
    grid-template-columns: 1fr;
  }

  .project-card.standout {
    grid-column: auto;
  }

  .overview-card,
  .project-card,
  .research-card,
  .stack-card,
  .timeline-item,
  .map-note,
  .contact-panel {
    transform: none;
  }

  .overview-card:hover,
  .project-card:hover,
  .button:hover {
    transform: none;
  }

  .intro-video {
    height: 100dvh;
    object-position: center;
  }

  .page-turn {
    perspective: none;
  }

  .page-turn::before {
    background: rgba(36, 18, 8, 0.6);
  }

  .page-turn-book {
    display: block;
  }

  .book-left {
    display: none;
  }

  .turn-leaf,
  .book-page,
  .leaf-face {
    left: 0;
    right: 0;
    width: 100%;
  }

  .turn-leaf {
    transform-origin: center center;
  }

  .leaf-back {
    display: none;
  }

  .page-turn.active .turn-leaf {
    animation: mobilePageTurn 760ms cubic-bezier(0.2, 0.78, 0.2, 1) forwards;
  }

  .page-turn.active .turn-leaf::after {
    animation: none;
  }

  .page-turn.active .leaf-front .book-label,
  .page-turn.active .leaf-front strong,
  .page-turn.active .leaf-front em {
    animation: none;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
}

@keyframes mobilePageTurn {
  0% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-18px) scale(0.985);
  }
}