:root {
  color-scheme: light;
  --ink: #151410;
  --cream: #fff0bc;
  --cream-deep: #f6c94e;
  --paper: #fff8df;
  --honey: #f2a600;
  --honey-deep: #a86400;
  --white: #fffdf5;
  --muted: rgba(21, 20, 16, 0.68);
  --line: rgba(21, 20, 16, 0.14);
  --shadow: 0 22px 70px rgba(92, 62, 0, 0.14);
  --yellow-texture: url("assets/honey-halftone-paper-bg.png");
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background-color: var(--paper);
  background-image:
    linear-gradient(180deg, rgba(255, 252, 239, 0.2), rgba(255, 247, 222, 0.18)),
    var(--yellow-texture);
  background-position: center, center;
  background-size: cover, cover;
  background-repeat: no-repeat, no-repeat;
  background-attachment: fixed, fixed;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

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

@keyframes heroRise {
  from {
    opacity: 0;
    transform: translateY(34px);
    filter: blur(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes artFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes dotPulse {
  0%,
  100% {
    opacity: 0.86;
    filter: saturate(1.02) brightness(0.96);
  }
  50% {
    opacity: 1;
    filter: saturate(1.14) brightness(1.04);
  }
}

html.motion-ready .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 680ms ease,
    transform 760ms cubic-bezier(0.19, 1, 0.22, 1);
  transition-delay: var(--delay, 0ms);
}

html.motion-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
  padding: 24px 6.5vw 34px;
  color: var(--ink);
  background:
    linear-gradient(
      180deg,
      rgba(255, 250, 230, 0.94) 0%,
      rgba(255, 248, 224, 0.82) 46%,
      rgba(255, 241, 194, 0.24) 78%,
      rgba(255, 241, 194, 0) 100%
    );
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.brand,
.site-header nav,
.header-link {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-size: 1.02rem;
  font-weight: 880;
  text-transform: lowercase;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(21, 20, 16, 0.18);
  border-radius: 50%;
  background:
    radial-gradient(circle at 37% 35%, var(--ink) 0 3px, transparent 3.6px),
    radial-gradient(circle at 63% 62%, var(--ink) 0 3px, transparent 3.6px),
    rgba(255, 255, 255, 0.42);
  box-shadow: 0 12px 34px rgba(92, 62, 0, 0.12);
}

.site-header nav {
  grid-column: 2;
  justify-self: center;
  gap: 28px;
  color: rgba(21, 20, 16, 0.78);
  font-size: 0.98rem;
  font-weight: 800;
}

.site-header nav a {
  text-underline-offset: 6px;
}

.site-header nav a:hover {
  text-decoration: underline;
}

.header-link {
  grid-column: 3;
  justify-self: end;
  min-width: 116px;
  height: 44px;
  justify-content: center;
  border: 1px solid rgba(21, 20, 16, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.36);
  box-shadow: 0 12px 32px rgba(92, 62, 0, 0.1);
  font-weight: 880;
}

.hero {
  position: relative;
  min-height: clamp(760px, 92svh, 980px);
  overflow: hidden;
  isolation: isolate;
  background: transparent;
}

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

.hero::before {
  inset: 0;
  z-index: 0;
  opacity: 0.06;
  background-image:
    radial-gradient(circle, rgba(85, 50, 0, 0.32) 0 1px, transparent 1.35px);
  background-size: 30px 30px;
  mask-image: linear-gradient(180deg, transparent 0 18%, #000 62%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0 18%, #000 62%, transparent 100%);
}

.hero::after {
  top: 0;
  left: 0;
  right: 0;
  z-index: 3;
  height: clamp(180px, 30vh, 320px);
  background:
    linear-gradient(
      180deg,
      rgba(255, 250, 230, 0.92) 0%,
      rgba(255, 247, 214, 0.74) 28%,
      rgba(255, 239, 175, 0.2) 68%,
      rgba(255, 239, 175, 0) 100%
    );
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: clamp(760px, 92svh, 980px);
  width: min(100%, 1760px);
  margin: 0 auto;
  padding: clamp(112px, 13vh, 140px) 6.5vw 80px;
  align-content: center;
}

.hero h1 {
  position: relative;
  display: flex;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto;
  align-items: flex-end;
  font-size: clamp(8rem, 21.5vw, 24rem);
  font-weight: 940;
  line-height: 0.76;
  letter-spacing: 0;
  text-transform: lowercase;
  text-shadow: 0 18px 50px rgba(86, 56, 0, 0.12);
  animation: heroRise 900ms cubic-bezier(0.19, 1, 0.22, 1) 120ms both;
}

.hero h1 > span {
  display: block;
}

.honey-letter-n {
  position: relative;
  color: transparent;
  isolation: isolate;
}

.honey-custom-n {
  position: absolute;
  left: 50%;
  bottom: -0.04em;
  width: auto;
  height: min(1.18em, 360px);
  transform: translateX(calc(-50% + 0.045em));
  max-width: none;
  pointer-events: none;
  filter: drop-shadow(0 16px 28px rgba(129, 78, 0, 0.09));
}

.hero-copy-block {
  width: min(100%, 1120px);
  margin: clamp(56px, 6vw, 92px) auto 0;
  text-align: center;
  animation: heroRise 900ms cubic-bezier(0.19, 1, 0.22, 1) 280ms both;
}

.hero-line {
  margin: 0;
  font-size: clamp(2rem, 3.35vw, 3.9rem);
  line-height: 0.98;
  font-weight: 930;
}

.hero-copy {
  max-width: 780px;
  margin: 22px auto 0;
  color: rgba(21, 20, 16, 0.7);
  font-size: clamp(1.06rem, 1.38vw, 1.28rem);
  line-height: 1.55;
}

.eyebrow {
  margin: 0;
  color: rgba(21, 20, 16, 0.62);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.thesis-band {
  position: relative;
  overflow: hidden;
  background: transparent;
  color: var(--ink);
}

.band-inner {
  position: relative;
  display: grid;
  min-height: clamp(660px, 78svh, 850px);
  width: min(100% - 56px, 1240px);
  margin: 0 auto;
  padding: clamp(76px, 9vw, 122px) 0;
  align-content: center;
  text-align: center;
}

.thesis-band .eyebrow {
  margin-bottom: 26px;
  color: rgba(21, 20, 16, 0.68);
}

.thesis-band h2 {
  max-width: 1120px;
  margin: 0 auto;
  font-size: clamp(2.5rem, 6.8vw, 7rem);
  line-height: 0.94;
  font-weight: 940;
}

.particle-stage {
  position: relative;
  width: min(620px, 64vw);
  height: clamp(190px, 21vw, 280px);
  margin: clamp(24px, 3vw, 34px) auto 0;
  overflow: hidden;
}

.particle-stage::before {
  display: none;
}

.particle-stage img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform: none;
  opacity: 0.92;
  filter: saturate(1.02) brightness(0.96);
  animation:
    artFloat 7s ease-in-out infinite,
    dotPulse 5.6s ease-in-out infinite;
}

.step-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: transparent;
}

.step-strip article {
  min-height: 230px;
  padding: clamp(26px, 3.2vw, 46px);
}

.step-strip article + article {
  border-left: 1px solid var(--line);
}

.step-strip span {
  display: inline-flex;
  width: 34px;
  height: 34px;
  margin-bottom: 26px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(168, 100, 0, 0.2);
  border-radius: 50%;
  color: var(--honey-deep);
  background: rgba(255, 255, 255, 0.44);
  font-size: 0.72rem;
  font-weight: 900;
}

.step-strip h2 {
  margin: 0;
  font-size: clamp(1.25rem, 1.45vw, 1.55rem);
  line-height: 1.06;
}

.step-strip p {
  max-width: 280px;
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.56;
}

.poster-row {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(36px, 6vw, 96px);
  min-height: clamp(680px, 86svh, 920px);
  padding: clamp(78px, 9vw, 132px) max(6.5vw, calc((100vw - 1240px) / 2));
  align-items: center;
}

.poster-copy h2 {
  max-width: 780px;
  margin: 18px 0 0;
  font-size: clamp(3rem, 6vw, 7.2rem);
  line-height: 0.9;
  font-weight: 940;
}

.poster-copy p:not(.eyebrow) {
  max-width: 590px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.34vw, 1.25rem);
  line-height: 1.62;
}

.network-row {
  background: transparent;
}

.network-art {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: min(560px, 46vw);
  overflow: visible;
}

.network-art::before {
  display: none;
}

.network-visual {
  width: min(650px, 94%);
  height: auto;
  opacity: 0.88;
  filter: saturate(1.04) brightness(0.97);
  transform-origin: center;
  animation:
    artFloat 8.4s ease-in-out infinite,
    dotPulse 6.2s ease-in-out infinite;
}

.node,
.center-node,
.link {
  position: absolute;
  display: block;
}

.node {
  z-index: 2;
  width: clamp(38px, 4.6vw, 58px);
  height: clamp(42px, 5vw, 64px);
  clip-path: polygon(50% 0, 92% 25%, 92% 75%, 50% 100%, 8% 75%, 8% 25%);
  background: var(--ink);
}

.node::after {
  content: "";
  position: absolute;
  inset: 11px;
  clip-path: inherit;
  background: var(--honey);
}

.node-a { left: 8%; top: 58%; }
.node-b { left: 27%; top: 25%; }
.node-c { left: 47%; top: 67%; }
.node-d { right: 23%; top: 28%; }
.node-e { right: 5%; top: 60%; }

.link {
  z-index: 1;
  height: 2px;
  transform-origin: left center;
  background: rgba(21, 20, 16, 0.34);
}

.link-a { left: 12%; top: 60%; width: 27%; transform: rotate(-33deg); }
.link-b { left: 31%; top: 32%; width: 27%; transform: rotate(38deg); }
.link-c { left: 50%; top: 67%; width: 29%; transform: rotate(-38deg); }
.link-d { right: 7%; top: 62%; width: 27%; transform: rotate(-149deg); }

.center-node {
  z-index: 3;
  left: calc(50% - 16px);
  top: calc(50% - 16px);
  width: 32px;
  height: 32px;
  border: 8px solid var(--white);
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 0 18px rgba(242, 166, 0, 0.18), var(--shadow);
}

.use-row {
  background: transparent;
}

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

.use-list article {
  min-height: 150px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.use-list h3 {
  margin: 0;
  font-size: clamp(1.36rem, 2vw, 2rem);
  line-height: 1;
}

.use-list p {
  max-width: 560px;
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.62;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 6.5vw 38px;
  color: var(--muted);
  background: transparent;
  font-size: 0.92rem;
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  html.motion-ready .reveal {
    opacity: 1;
    transform: none;
    filter: none;
  }
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 22px;
  }

  .site-header nav {
    display: none;
  }

  .header-link {
    grid-column: 2;
  }

  .hero,
  .hero-inner {
    min-height: clamp(680px, 86svh, 820px);
  }

  .hero-inner {
    padding: 108px 22px 64px;
  }

  .hero h1 {
    font-size: clamp(5.4rem, 22vw, 10rem);
  }

  .honey-custom-n {
    height: 1.14em;
    bottom: -0.035em;
  }

  .hero-copy-block {
    max-width: 340px;
    margin-top: clamp(42px, 8vw, 68px);
    margin-right: auto;
    margin-left: 0;
    text-align: left;
  }

  .band-inner {
    width: min(100% - 36px, 760px);
  }

  .step-strip {
    grid-template-columns: 1fr 1fr;
  }

  .step-strip article:nth-child(3) {
    border-left: 0;
  }

  .step-strip article:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .poster-row {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 72px 22px;
  }

  .network-row .poster-copy {
    order: -1;
  }

  .network-art {
    min-height: 420px;
  }
}

@media (max-width: 620px) {
  .header-link {
    display: none;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .hero,
  .hero-inner {
    min-height: clamp(620px, 82svh, 740px);
  }

  .hero-inner {
    align-content: start;
    padding-top: 122px;
  }

  .hero h1 {
    font-size: clamp(4.18rem, 22vw, 5.25rem);
  }

  .honey-custom-n {
    height: 1.08em;
    bottom: -0.03em;
  }

  .hero-line {
    max-width: 330px;
    font-size: clamp(1.42rem, 6.3vw, 1.58rem);
    line-height: 1.04;
  }

  .hero-copy {
    max-width: 330px;
    margin-left: 0;
  }

  .thesis-band h2,
  .poster-copy h2 {
    font-size: clamp(1.95rem, 8vw, 2.45rem);
    line-height: 1;
  }

  .thesis-band h2 span {
    display: block;
  }

  .band-inner {
    min-height: 620px;
    padding: 62px 0;
  }

  .particle-stage {
    width: min(100%, 520px);
    height: 220px;
  }

  .particle-stage img {
    width: 100%;
    max-width: 100%;
  }

  .step-strip {
    grid-template-columns: 1fr;
  }

  .step-strip article,
  .step-strip article:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .step-strip article:first-child {
    border-top: 0;
  }

  .network-art {
    min-height: 310px;
  }

  .site-footer {
    display: grid;
  }
}