@font-face {
  font-family: "Arcs Campaign Headline";
  src: local("Helvetica Neue Condensed Black"), local("HelveticaNeue-CondensedBlack");
  font-style: normal;
  font-weight: 900;
}

:root {
  color-scheme: light;
  --black: #030302;
  --paper: #efe7d7;
  --paper-soft: #f8f0e1;
  --cream: #f4ecdc;
  --ink: #17130f;
  --warm-white: #eee8dc;
  --muted-dark: rgba(238, 232, 220, 0.62);
  --muted-light: rgba(23, 19, 15, 0.62);
  --line-dark: rgba(238, 232, 220, 0.14);
  --line-light: rgba(23, 19, 15, 0.12);
  --dot-dark: rgba(238, 232, 220, 0.2);
  --dot-light: rgba(23, 19, 15, 0.12);
  --orange: #d5773c;
  --rose: #bd6577;
  --violet: #8b679d;
  --green: #7b904e;
  --teal: #528f87;
  --red: #d73a32;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: "Iowan Old Style", "New York", Georgia, serif;
  --mono: "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--warm-white);
  font-family: var(--sans);
  overflow-x: hidden;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem clamp(1rem, 4vw, 4.5rem);
  border-top: 1px solid var(--line-dark);
  background: var(--black);
  color: var(--muted-dark);
  font-size: 0.85rem;
}

.site-footer nav {
  flex-wrap: wrap;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--warm-white);
}

@media (max-width: 700px) {
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

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

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

h1,
h2,
h3,
p,
figure {
  margin: 0;
}

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

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  width: 100%;
  max-width: 100vw;
  min-height: 4.15rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  padding: 0.78rem clamp(1rem, 4vw, 4.5rem);
  border-bottom: 1px solid rgba(238, 232, 220, 0.12);
  background: rgba(3, 3, 2, 0.82);
  backdrop-filter: blur(22px);
}

.wordmark {
  width: max-content;
  font-family: var(--serif);
  font-size: 1.35rem;
  font-style: italic;
  font-weight: 700;
}

nav {
  display: flex;
  gap: clamp(1rem, 2.4vw, 2.2rem);
  color: var(--muted-dark);
  font-size: 0.82rem;
  font-weight: 760;
}

.header-cta {
  justify-self: end;
  min-height: 2.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.95rem;
  border: 1px solid rgba(238, 232, 220, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  font-size: 0.82rem;
  font-weight: 760;
}

.cta-short {
  display: none;
}

section {
  position: relative;
  scroll-margin-top: 4.2rem;
  min-height: 100vh;
  padding: clamp(5.6rem, 8vw, 8rem) clamp(1.15rem, 5vw, 5rem);
  overflow: hidden;
}

.dark-surface {
  color: var(--warm-white);
  background:
    radial-gradient(circle, var(--dot-dark) 0 1.4px, transparent 1.8px),
    linear-gradient(90deg, transparent 0 5.9rem, var(--line-dark) 6rem, transparent 6.05rem),
    var(--black);
  background-size: 3.8rem 3.8rem, 6rem 6rem, auto;
}

.dark-surface::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(180deg, rgba(3, 3, 2, 0.05), rgba(3, 3, 2, 0.74)),
    radial-gradient(circle at 50% 100%, rgba(139, 103, 157, 0.12), transparent 20rem);
  pointer-events: none;
}

.light-surface {
  color: var(--ink);
  background:
    radial-gradient(circle, var(--dot-light) 0 1.35px, transparent 1.8px),
    var(--paper);
  background-size: 3.35rem 3.35rem, auto;
}

.light-surface::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    radial-gradient(circle at 80% 18%, rgba(139, 103, 157, 0.1), transparent 24rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.32), transparent 28rem);
  pointer-events: none;
}

.eyebrow,
.consider,
.mode-pill,
.source-rail span,
.download aside span {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow {
  margin-bottom: 1rem;
  color: var(--muted-dark);
}

.light-surface .eyebrow,
.consider {
  color: rgba(23, 19, 15, 0.48);
}

h1,
h2 {
  font-family: var(--sans);
  font-weight: 760;
  letter-spacing: 0;
  line-height: 0.98;
}

h1 {
  max-width: 14ch;
  font-size: clamp(2.6rem, 4.8vw, 5.25rem);
}

h2 {
  max-width: 15ch;
  font-size: clamp(2.15rem, 4.2vw, 4.8rem);
}

.shape-copy h2,
.download h2 {
  max-width: 20ch;
}

p {
  max-width: 44rem;
  color: var(--muted-dark);
  font-size: clamp(1rem, 1.45vw, 1.4rem);
  line-height: 1.42;
}

.light-surface p {
  color: var(--muted-light);
}

.project-hero {
  min-height: calc(100vh - 4.15rem);
}

.structure-hero {
  min-height: calc(100vh - 4.15rem);
  display: grid;
  place-items: center;
  padding: clamp(3.2rem, 5vw, 5rem) clamp(1.15rem, 5vw, 5rem);
  color: var(--ink);
  background:
    radial-gradient(circle at 50% 88%, rgba(213, 119, 60, 0.1), transparent 17rem),
    radial-gradient(circle at 50% 76%, rgba(82, 143, 135, 0.11), transparent 19rem),
    radial-gradient(circle, var(--dot-light) 0 1.3px, transparent 1.8px),
    linear-gradient(90deg, transparent 0 4.35rem, rgba(23, 19, 15, 0.1) 4.4rem, transparent 4.45rem),
    var(--paper);
  background-size: auto, auto, 2.2rem 2.2rem, 4.45rem 4.45rem, auto;
}

.structure-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, rgba(248, 240, 225, 0.28), rgba(239, 231, 215, 0.68));
  opacity: 0.75;
  pointer-events: none;
}

.structure-hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(180deg, rgba(239, 231, 215, 0.08), rgba(239, 231, 215, 0.78) 86%),
    radial-gradient(circle at 50% 94%, rgba(23, 19, 15, 0.1), transparent 16rem);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 3;
  display: grid;
  justify-items: center;
  text-align: center;
  width: calc(100vw - 2.3rem);
  max-width: 40rem;
  transform: translateY(clamp(-2.5rem, -5vh, -1.2rem));
}

.hero-copy .eyebrow {
  color: rgba(23, 19, 15, 0.5);
}

.hero-copy h1 {
  max-width: 11ch;
  color: var(--ink);
  font-size: clamp(3.7rem, 8vw, 8.8rem);
  line-height: 0.9;
  text-shadow: 0 18px 42px rgba(255, 248, 237, 0.28);
}

.hero-copy p {
  max-width: 38rem;
  margin-top: 1.25rem;
  color: rgba(23, 19, 15, 0.62);
  text-shadow: 0 10px 28px rgba(255, 248, 237, 0.2);
}

.hero-recorder {
  min-height: 2.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.62rem;
  margin-top: 1.05rem;
  padding: 0.38rem 0.52rem 0.38rem 0.72rem;
  border: 1px solid rgba(23, 19, 15, 0.1);
  border-radius: 999px;
  background: rgba(248, 240, 225, 0.72);
  box-shadow: 0 18px 44px rgba(23, 19, 15, 0.1);
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 760;
  backdrop-filter: blur(18px);
}

.hero-recorder small {
  color: rgba(23, 19, 15, 0.46);
  font: inherit;
  font-weight: 760;
}

.hero-recorder em {
  padding: 0.45rem 0.62rem;
  border-radius: 999px;
  background: rgba(82, 143, 135, 0.11);
  color: rgba(23, 19, 15, 0.52);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-style: normal;
  font-weight: 780;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.recorder-wave {
  width: 4.25rem;
  height: 1.3rem;
  overflow: hidden;
}

.recorder-wave svg {
  width: 200%;
  height: 100%;
  transform: translateX(-50%);
  animation: sine-loop 2.8s linear infinite;
}

.recorder-wave path {
  fill: none;
  stroke: var(--orange);
  stroke-linecap: round;
  stroke-width: 3.6;
}

.hero-device-stage {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: -13.2rem;
  width: min(100%, 44rem);
  height: clamp(21rem, 42vh, 34rem);
  display: grid;
  align-items: start;
  justify-items: center;
  transform: translateX(-50%);
  pointer-events: none;
}

.hero-hardware {
  width: min(20rem, 36vw);
  margin: 0;
  max-height: 100%;
  overflow: hidden;
  filter: drop-shadow(0 34px 52px rgba(3, 3, 2, 0.38));
  opacity: 0.98;
}

.hero-hardware img {
  width: 100%;
  display: block;
}

.hero-fan {
  z-index: 1 !important;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transform: none;
}

.hero-fan .card {
  width: clamp(4.5rem, 7.4vw, 6.2rem);
  border-radius: 0.78rem;
  padding: 0.62rem;
  font-size: 0.9rem;
  left: 50%;
  bottom: auto;
}

.hero-fan .card.read {
  top: 65%;
  transform: translate(-250%, -50%) rotate(-16deg);
}

.hero-fan .card.frame {
  top: 78%;
  transform: translate(-185%, -50%) rotate(8deg);
}

.hero-fan .card.shape-card {
  top: 72%;
  transform: translate(96%, -50%) rotate(-7deg);
}

.hero-fan .card.notes {
  z-index: 2;
  top: 62%;
  transform: translate(205%, -50%) rotate(14deg);
}

.hero-fan .card.build {
  top: 83%;
  transform: translate(125%, -50%) rotate(-13deg);
}

@media (min-width: 981px) {
  .hero-copy {
    transform: translateY(clamp(-6.25rem, -9vh, -4rem));
  }

  .hero-copy p {
    max-width: 34rem;
    margin-top: 1rem;
    font-size: clamp(1rem, 1.04vw, 1.14rem);
    line-height: 1.3;
  }

  .hero-recorder {
    margin-top: 0.9rem;
  }

  .hero-device-stage {
    bottom: -16.4rem;
  }

  .hero-fan .card.read {
    top: 100%;
    transform: translate(-220%, -50%) rotate(-18deg);
  }

  .hero-fan .card.frame {
    top: 96%;
    transform: translate(-165%, -50%) rotate(7deg);
  }

  .hero-fan .card.shape-card {
    top: 99%;
    transform: translate(75%, -50%) rotate(-5deg);
  }

  .hero-fan .card.notes {
    top: 98%;
    transform: translate(170%, -50%) rotate(15deg);
  }

  .hero-fan .card.build {
    top: 98%;
    transform: translate(105%, -50%) rotate(11deg);
  }
}

@media (min-width: 701px) and (max-width: 980px) {
  .hero-device-stage {
    bottom: -14.1rem;
  }
}

/* Wherever campaign — cinematic proof that Arcs belongs beyond the desk. */
.wherever {
  min-height: auto;
  padding-top: clamp(5rem, 8vw, 8rem);
  padding-bottom: clamp(5rem, 8vw, 8rem);
}

.wherever-intro {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 0.52fr) minmax(18rem, 1fr);
  align-items: end;
  gap: clamp(2rem, 6vw, 7rem);
  margin-bottom: clamp(2.2rem, 5vw, 4.5rem);
}

.wherever-intro h2 {
  max-width: 16ch;
}

.wherever-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.8rem, 1.6vw, 1.5rem);
}

.wherever-card {
  position: relative;
  min-height: 30rem;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid rgba(23, 19, 15, 0.14);
  border-radius: clamp(1.1rem, 2vw, 2rem);
  background: #111;
  box-shadow: 0 24px 60px rgba(23, 19, 15, 0.18);
}

.wherever-card::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, transparent 38%, rgba(3, 3, 2, 0.16) 58%, rgba(3, 3, 2, 0.88));
  pointer-events: none;
}

.wherever-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms cubic-bezier(.2,.72,.2,1);
}

.wherever-card:nth-child(1) img { object-position: 50% 46%; }
.wherever-card:nth-child(2) img { object-position: 50% 43%; }
.wherever-card:nth-child(3) img { object-position: 50% 54%; }
.wherever-card:nth-child(4) img { object-position: 50% 42%; }

.wherever-card:hover img {
  transform: scale(1.018);
}

.wherever-card figcaption {
  position: absolute;
  z-index: 2;
  right: clamp(1.25rem, 3vw, 2.7rem);
  bottom: clamp(1.3rem, 3vw, 2.7rem);
  left: clamp(1.25rem, 3vw, 2.7rem);
}

.wherever-card h3 {
  max-width: 10.5ch;
  padding-bottom: 0.08em;
  color: #fff8ed;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: clamp(1.8rem, 3vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.96;
  text-transform: lowercase;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.35);
}

.wherever-card figcaption span {
  display: block;
  width: max-content;
  margin-top: 1.15rem;
  padding-top: 0.65rem;
  border-top: 2px solid var(--orange);
  color: #fff8ed;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0;
}

/* The simplified product has three stations: Read, Record and Build. */
.fan-hero.fan-three .card.frame {
  z-index: 2;
  transform: translateX(-145%) rotate(-10deg);
}

.fan-hero.fan-three .card.read {
  z-index: 3;
  transform: translateX(-50%) rotate(0deg);
}

.fan-hero.fan-three .card.build {
  z-index: 2;
  transform: translateX(45%) rotate(10deg);
}

.hero-fan.fan-three .card.frame {
  z-index: 1;
  left: 50%;
  right: auto;
  top: 83%;
  transform: translate(-245%, -50%) rotate(-13deg);
}

.hero-fan.fan-three .card.read {
  z-index: 2;
  left: 50%;
  right: auto;
  top: 81%;
  transform: translate(-155%, -50%) rotate(-6deg);
}

.hero-fan.fan-three .card.build {
  z-index: 1;
  left: 50%;
  right: auto;
  top: 82%;
  transform: translate(150%, -50%) rotate(12deg);
}

@media (max-width: 980px) {
  .wherever-intro {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .wherever-card {
    min-height: 24rem;
  }
}

@media (max-width: 700px) {
  .wherever {
    padding-right: 0.85rem;
    padding-left: 0.85rem;
  }

  .wherever-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .wherever-card {
    min-height: 0;
    aspect-ratio: 3 / 4;
    border-radius: 1.3rem;
  }

  .wherever-card h3 {
    font-size: clamp(2.25rem, 10vw, 3.1rem);
  }

  .hero-fan.fan-three .card.frame {
    top: 84%;
    transform: translate(-235%, -50%) rotate(-13deg);
  }

  .hero-fan.fan-three .card.read {
    top: 82%;
    transform: translate(-145%, -50%) rotate(-5deg);
  }

  .hero-fan.fan-three .card.build {
    top: 84%;
    transform: translate(140%, -50%) rotate(11deg);
  }
}

@media (min-width: 701px) and (max-width: 980px) {
  .hero-fan .card.read {
    top: 100%;
    transform: translate(-220%, -50%) rotate(-18deg);
  }

  .hero-fan .card.frame {
    top: 96%;
    transform: translate(-165%, -50%) rotate(7deg);
  }

  .hero-fan .card.shape-card {
    top: 99%;
    transform: translate(75%, -50%) rotate(-5deg);
  }

  .hero-fan .card.notes {
    top: 98%;
    transform: translate(170%, -50%) rotate(15deg);
  }

  .hero-fan .card.build {
    top: 98%;
    transform: translate(105%, -50%) rotate(11deg);
  }
}

@keyframes sine-loop {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}


.hero-center {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 47%;
  width: min(52rem, 56vw);
  transform: translate(-50%, -50%);
}

.hero-center p:not(.eyebrow) {
  margin-top: 1rem;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.35rem;
}

.mode-pill {
  display: inline-flex;
  min-height: 2.45rem;
  align-items: center;
  padding: 0 1.05rem;
  border: 1px solid rgba(238, 232, 220, 0.13);
  border-radius: 999px;
  color: rgba(238, 232, 220, 0.54);
  background: rgba(3, 3, 2, 0.38);
}

.fan {
  position: absolute;
  z-index: 5;
  left: 50%;
  width: min(35rem, 70vw);
  height: 10rem;
  transform: translateX(-50%);
}

.fan-hero {
  bottom: 3.4rem;
}

.fan-shape {
  bottom: 2.1rem;
}

.card {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: clamp(5.3rem, 8vw, 7.2rem);
  aspect-ratio: 0.72;
  display: flex;
  align-items: flex-end;
  padding: 0.72rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 0.9rem;
  color: #fff8ed;
  font-weight: 780;
  line-height: 1;
  overflow: hidden;
  box-shadow:
    0 22px 58px rgba(0, 0, 0, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transform-origin: 50% 118%;
  background-size: 155% 155%;
  animation: card-light-source 8s ease-in-out infinite alternate;
}

.card::before {
  position: absolute;
  inset: -22%;
  content: "";
  border-radius: inherit;
  background:
    radial-gradient(circle at 32% 18%, rgba(255, 255, 255, 0.24), transparent 18%),
    linear-gradient(118deg, transparent 22%, rgba(255, 255, 255, 0.12) 42%, transparent 63%);
  opacity: 0.72;
  pointer-events: none;
  transform: translate3d(-10%, -8%, 0) rotate(6deg);
  animation: card-specular-pass 6.8s ease-in-out infinite alternate;
}

.card {
  isolation: isolate;
}

.card.read {
  background: linear-gradient(145deg, #df854b, #9c5632);
  transform: translateX(-210%) rotate(-14deg);
}

.card.frame {
  z-index: 4;
  background: linear-gradient(145deg, #c97888, #854650);
  transform: translateX(-130%) rotate(-7deg);
}

.card.shape-card {
  z-index: 3;
  background: linear-gradient(145deg, #a77abd, #654878);
  transform: translateX(-50%) rotate(0deg);
}

.card.notes {
  background: linear-gradient(145deg, #93a85f, #5b6f38);
  transform: translateX(30%) rotate(7deg);
}

.card.build {
  background: linear-gradient(145deg, #6aa7a0, #356b66);
  transform: translateX(110%) rotate(14deg);
}

.hero-fan {
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 4;
  width: 100%;
  height: 100%;
  transform: none;
}

.hero-fan .card {
  width: clamp(4.5rem, 7.4vw, 6.2rem);
  bottom: auto;
  border-radius: 0.78rem;
  padding: 0.62rem;
  font-size: 0.9rem;
}

.hero-fan .card.read {
  top: 68%;
  transform: translate(-265%, -50%) rotate(-16deg);
}

.hero-fan .card.frame {
  top: 83%;
  transform: translate(-195%, -50%) rotate(9deg);
}

.hero-fan .card.shape-card {
  top: 76%;
  transform: translate(115%, -50%) rotate(-7deg);
}

.hero-fan .card.notes {
  top: 67%;
  transform: translate(220%, -50%) rotate(14deg);
}

.hero-fan .card.build {
  top: 87%;
  transform: translate(130%, -50%) rotate(-12deg);
}

@keyframes card-light-source {
  0% { background-position: 18% 10%; }
  45% { background-position: 54% 34%; }
  100% { background-position: 86% 72%; }
}

@keyframes card-specular-pass {
  0% {
    opacity: 0.44;
    transform: translate3d(-18%, -12%, 0) rotate(5deg);
  }
  50% {
    opacity: 0.78;
    transform: translate3d(4%, 0%, 0) rotate(7deg);
  }
  100% {
    opacity: 0.52;
    transform: translate3d(18%, 12%, 0) rotate(9deg);
  }
}

.card.active {
  box-shadow:
    0 0 0 4px #fff,
    0 0 34px rgba(255, 255, 255, 0.46),
    0 22px 58px rgba(0, 0, 0, 0.28);
}

.capture,
.private,
.download {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(20rem, 1fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
}

.surface-copy,
.private > div,
.download > div {
  position: relative;
  z-index: 2;
}

.surface-copy p,
.private p,
.download > div p {
  margin-top: 1.1rem;
}

.source-rail {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.source-rail span {
  position: relative;
  isolation: isolate;
  min-height: 10rem;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  overflow: hidden;
  border: 1px solid var(--line-light);
  border-radius: 1.05rem;
  background:
    radial-gradient(circle, rgba(23, 19, 15, 0.1) 0 1.2px, transparent 1.6px),
    rgba(248, 240, 225, 0.66);
  background-size: 1.25rem 1.25rem, auto;
  color: rgba(23, 19, 15, 0.56);
  box-shadow: 0 18px 48px rgba(70, 54, 35, 0.08);
}

.source-rail span::before {
  position: absolute;
  z-index: -1;
  content: "";
  pointer-events: none;
}

.source-rail span:nth-child(1)::before,
.source-rail span:nth-child(4)::before {
  left: 50%;
  top: 48%;
  width: 8rem;
  aspect-ratio: 1.25;
  border: 2px solid var(--orange);
  border-radius: 54% 46% 48% 52%;
  opacity: 0.82;
  transform: translate(-50%, -50%);
}

.source-rail span:nth-child(2)::before,
.source-rail span:nth-child(6)::before {
  inset: 3.1rem 1.7rem auto;
  height: 2.7rem;
  background: url("data:image/svg+xml,%3Csvg width='210' height='58' viewBox='0 0 210 58' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 29 C 11 4, 22 4, 33 29 S 55 54, 66 29 S 88 4, 99 29 S 121 54, 132 29 S 154 4, 165 29 S 187 54, 198 29' fill='none' stroke='%234d8d86' stroke-width='5' stroke-linecap='round'/%3E%3C/svg%3E") center / contain no-repeat;
}

.source-rail span:nth-child(3)::before,
.source-rail span:nth-child(5)::before {
  inset: 2.3rem 2.2rem auto;
  height: 4.8rem;
  background:
    linear-gradient(90deg, rgba(23, 19, 15, 0.18) 1px, transparent 1px),
    linear-gradient(180deg, rgba(23, 19, 15, 0.18) 1px, transparent 1px);
  background-size: 1.4rem 1.4rem;
  border: 1px solid rgba(23, 19, 15, 0.18);
  transform: perspective(18rem) rotateX(18deg) rotateZ(-2deg);
}

.product {
  display: grid;
  grid-template-columns: minmax(0, 0.68fr) minmax(20rem, 1fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
}

.product-shot {
  position: relative;
  z-index: 2;
  width: min(100%, 34rem);
  margin: 0;
  justify-self: end;
  border: 1px solid rgba(238, 232, 220, 0.12);
  border-radius: 2rem;
  overflow: hidden;
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.32);
}

.design {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(24rem, 1fr);
  align-items: center;
  gap: clamp(2.5rem, 6vw, 7rem);
}

.design-gallery {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.design-card {
  overflow: hidden;
  border: 1px solid rgba(23, 19, 15, 0.12);
  border-radius: 1.4rem;
  background: rgba(248, 240, 225, 0.7);
  box-shadow: 0 1.5rem 4rem rgba(23, 19, 15, 0.12);
}

.design-card > img {
  width: 100%;
  background: #11110f;
  object-fit: cover;
  object-position: top center;
}

.design-minimal > img,
.design-editorial > img {
  height: clamp(20rem, 32vw, 32rem);
}

.design-card figcaption {
  display: grid;
  gap: 0.35rem;
  padding: 1rem;
}

.design-card figcaption strong {
  font-size: 1rem;
}

.design-card figcaption span {
  color: rgba(23, 19, 15, 0.58);
  font-size: 0.8rem;
  line-height: 1.35;
}

.design-punchy {
  grid-column: 1 / -1;
}

.design-punchy > img {
  aspect-ratio: 16 / 9;
}

.silicon-map {
  position: relative;
  z-index: 2;
  min-height: clamp(28rem, 45vw, 38rem);
  display: flex;
  align-items: center;
  padding: clamp(2rem, 4vw, 3.4rem);
  background:
    linear-gradient(90deg, transparent 0 4.2rem, rgba(23, 19, 15, 0.1) 4.25rem, transparent 4.3rem),
    radial-gradient(circle, rgba(23, 19, 15, 0.11) 0 1.35px, transparent 1.8px);
  background-size: 4.3rem 4.3rem, 2.15rem 2.15rem;
  border: 1px solid rgba(23, 19, 15, 0.11);
  border-radius: 2rem;
  overflow: hidden;
}

.silicon-map::before {
  position: absolute;
  left: clamp(2.4rem, 4vw, 3.8rem);
  top: 14%;
  bottom: 14%;
  width: 1px;
  content: "";
  background: rgba(23, 19, 15, 0.22);
  opacity: 0.85;
}

.silicon-grid {
  position: absolute;
  left: clamp(2.4rem, 4vw, 3.8rem);
  top: 14%;
  bottom: 14%;
  width: 1px;
}

.node {
  position: absolute;
  left: 0;
  width: 0.9rem;
  aspect-ratio: 1;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 0.55rem rgba(248, 240, 225, 0.78);
}

.node::before,
.node::after {
  display: none;
}

.node-arcs {
  top: 7.5%;
  background: var(--orange);
}

.node-speech {
  top: 32.5%;
  background: var(--teal);
}

.node-neural {
  top: 57.5%;
  background: var(--green);
}

.node-silicon {
  top: 82.5%;
  background: var(--rose);
}

.silicon-labels {
  position: relative;
  z-index: 2;
  width: min(100%, 38rem);
  display: grid;
  gap: clamp(2.4rem, 4.8vw, 4rem);
  margin: 0;
  padding-left: clamp(2.2rem, 5vw, 4rem);
}

.silicon-labels div {
  display: grid;
  grid-template-columns: minmax(9rem, 0.72fr) minmax(12rem, 1fr);
  gap: clamp(1.2rem, 3vw, 3rem);
  align-items: baseline;
}

.silicon-labels dt {
  font-family: var(--mono);
  color: rgba(23, 19, 15, 0.48);
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.silicon-labels dd {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.04rem, 1.35vw, 1.32rem);
  font-weight: 760;
  line-height: 1.1;
}

.dark-surface .silicon-map {
  background:
    linear-gradient(90deg, transparent 0 4.2rem, rgba(238, 232, 220, 0.09) 4.25rem, transparent 4.3rem),
    radial-gradient(circle, rgba(238, 232, 220, 0.15) 0 1.35px, transparent 1.8px),
    rgba(238, 232, 220, 0.035);
  background-size: 4.3rem 4.3rem, 2.15rem 2.15rem, auto;
  border-color: rgba(238, 232, 220, 0.14);
}

.dark-surface .silicon-map::before {
  background: rgba(238, 232, 220, 0.2);
}

.dark-surface .node {
  box-shadow: 0 0 0 0.55rem rgba(3, 3, 2, 0.82);
}

.dark-surface .silicon-labels dt {
  color: rgba(238, 232, 220, 0.48);
}

.dark-surface .silicon-labels dd {
  color: var(--warm-white);
}

.download aside {
  position: relative;
  z-index: 2;
  display: grid;
  justify-items: start;
  gap: 1rem;
  padding-left: 1.3rem;
  border-left: 2px solid var(--orange);
}

.primary-button {
  min-height: 3.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 1.15rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #df854b, #b75f38);
  color: #fff8ed;
  font-weight: 790;
}

.download aside p {
  max-width: 27rem;
  font-size: 0.94rem;
}

.download aside span {
  color: rgba(238, 232, 220, 0.54);
}

.light-surface.download aside span {
  color: rgba(23, 19, 15, 0.48);
}

.brief-page,
.feedback-page {
  min-height: 100vh;
  padding: clamp(5rem, 8vw, 7.5rem) clamp(1.15rem, 5vw, 5rem);
}

.brief-shell,
.feedback-shell {
  position: relative;
  z-index: 2;
  width: min(100%, 72rem);
  margin: 0 auto;
  display: grid;
  gap: clamp(2rem, 4vw, 3.4rem);
}

.brief-hero,
.feedback-hero {
  display: grid;
  gap: 1.1rem;
}

.brief-hero h1,
.feedback-hero h1 {
  max-width: 14ch;
}

.brief-grid,
.feedback-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid rgba(23, 19, 15, 0.12);
  background: rgba(23, 19, 15, 0.12);
}

.brief-panel,
.feedback-panel,
.feedback-form {
  display: grid;
  gap: 1rem;
  align-content: start;
  min-height: 18rem;
  padding: clamp(1.15rem, 2.2vw, 1.8rem);
  background:
    radial-gradient(circle, rgba(23, 19, 15, 0.08) 0 1.2px, transparent 1.6px),
    rgba(248, 240, 225, 0.78);
  background-size: 1.45rem 1.45rem, auto;
}

.brief-panel h2,
.feedback-panel h2 {
  font-size: clamp(1.35rem, 2.1vw, 2rem);
  line-height: 1.08;
}

.brief-panel ol,
.brief-panel ul,
.feedback-panel ul {
  display: grid;
  gap: 0.72rem;
  margin: 0;
  padding-left: 1.1rem;
  color: rgba(23, 19, 15, 0.68);
  font-size: clamp(0.98rem, 1.2vw, 1.08rem);
  line-height: 1.35;
}

.brief-actions,
.feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
}

.brief-actions {
  padding-top: 0.25rem;
}

.secondary-button {
  min-height: 3.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 1.15rem;
  border: 1px solid rgba(23, 19, 15, 0.14);
  border-radius: 999px;
  background: rgba(248, 240, 225, 0.68);
  color: var(--ink);
  font-weight: 790;
}

.feedback-grid {
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
}

.feedback-form {
  min-height: 0;
}

.feedback-form label {
  display: grid;
  gap: 0.45rem;
  color: rgba(23, 19, 15, 0.76);
  font-weight: 720;
}

.feedback-form input,
.feedback-form textarea {
  width: 100%;
  border: 1px solid rgba(23, 19, 15, 0.14);
  border-radius: 0.9rem;
  background: rgba(255, 250, 240, 0.72);
  color: var(--ink);
  font: inherit;
}

.feedback-form input {
  min-height: 3rem;
  padding: 0 0.9rem;
}

.feedback-form textarea {
  min-height: 8rem;
  padding: 0.85rem 0.9rem;
  resize: vertical;
}

.feedback-form button {
  width: max-content;
  min-height: 3.1rem;
  padding: 0 1.15rem;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #df854b, #b75f38);
  color: #fff8ed;
  font: inherit;
  font-weight: 790;
}

@media (max-width: 980px) {
  .structure-hero,
  .capture,
  .private,
  .download,
  .product,
  .design {
    grid-template-columns: 1fr;
  }

  .hero-center {
    left: clamp(1.15rem, 5vw, 5rem);
    width: min(36rem, 82vw);
    transform: translateY(-50%);
  }

  .source-rail {
    grid-template-columns: 1fr;
  }

  .brief-grid,
  .feedback-grid {
    grid-template-columns: 1fr;
  }

  .product-shot {
    justify-self: start;
  }

  .design-gallery {
    width: min(100%, 46rem);
  }

  .silicon-map {
    min-height: 29rem;
  }


  .hero-device-stage {
    width: min(100%, 36rem);
  }

  .hero-hardware {
    width: min(18rem, 42vw);
  }
}

@media (max-width: 700px) {
  .site-header {
    display: flex;
    justify-content: space-between;
    width: 100vw;
    overflow: hidden;
    min-height: 3.9rem;
    padding: 0.75rem 1rem;
  }

  .design-gallery {
    gap: 0.7rem;
  }

  .design-minimal > img,
  .design-editorial > img {
    height: 19rem;
  }

  .design-card figcaption {
    padding: 0.8rem;
  }

  .header-cta {
    flex: 0 0 auto;
    max-width: 44vw;
    white-space: nowrap;
  }

  .cta-full {
    display: none;
  }

  .cta-short {
    display: inline;
  }

  nav {
    display: none;
  }

  section {
    min-height: auto;
    padding: 4.8rem 1.1rem;
  }

  h1 {
    font-size: clamp(2.35rem, 9vw, 3.05rem);
  }

  h2 {
    font-size: clamp(2.15rem, 8.8vw, 3rem);
  }

  .project-hero {
    min-height: calc(100vh - 3.9rem);
  }


  .structure-hero {
    min-height: calc(100svh - 3.9rem);
    padding: 1.4rem 1.1rem 1.5rem;
  }

  .hero-copy h1 {
    font-size: clamp(2.95rem, 12.4vw, 3.35rem);
    max-width: 100%;
    line-height: 0.88;
  }

  .hero-copy p {
    width: min(16.4rem, calc(100vw - 4rem)) !important;
    max-width: min(16.4rem, calc(100vw - 4rem)) !important;
    font-size: 0.86rem;
    line-height: 1.28;
    white-space: normal;
  }

  .hero-recorder {
    gap: 0.5rem;
    max-width: calc(100vw - 2.4rem);
    padding: 0.36rem 0.64rem;
    font-size: 0.8rem;
  }

  .hero-recorder em {
    display: none;
  }

  .recorder-wave {
    width: 3.3rem;
  }

  .hero-device-stage {
    bottom: -15.1rem;
    height: 25rem;
  }

  .hero-hardware {
    width: min(13.5rem, 58vw);
    max-height: 100%;
  }

  .hero-fan {
    bottom: auto;
    width: 100%;
    transform: none;
  }

  .hero-fan .card {
    left: auto;
    right: auto;
    width: 4.85rem;
    z-index: auto;
  }

  .hero-fan .card.read {
    z-index: 1;
    left: calc(50% - 8.75rem);
    top: 77%;
    width: 5rem;
    transform: translateY(-50%) rotate(-19deg);
  }

  .hero-fan .card.frame {
    left: calc(50% - 10rem);
    top: 91.5%;
    width: 4.65rem;
    transform: translateY(-50%) rotate(6deg);
  }

  .hero-fan .card.shape-card {
    z-index: 1;
    right: calc(50% - 12rem);
    top: 85%;
    width: 4.75rem;
    transform: translateY(-50%) rotate(-5deg);
  }

  .hero-fan .card.notes {
    right: calc(50% - 9.15rem);
    top: 72.5%;
    width: 5.1rem;
    transform: translateY(-50%) rotate(16deg);
  }

  .hero-fan .card.build {
    right: calc(50% - 10.7rem);
    top: 91.5%;
    width: 4.7rem;
    transform: translateY(-50%) rotate(10deg);
  }

  .hero-center {
    top: 42%;
  }

  .fan {
    width: min(23rem, 88vw);
  }

  .fan.hero-fan {
    right: auto;
    left: 50%;
    transform: translateX(-50%);
  }

  .fan-hero {
    bottom: 2rem;
  }

  .card {
    width: 4.95rem;
    border-radius: 0.78rem;
    font-size: 0.9rem;
  }

  .card.read { transform: translateX(-188%) rotate(-13deg); }
  .card.frame { transform: translateX(-118%) rotate(-7deg); }
  .card.shape-card { transform: translateX(-50%) rotate(0deg); }
  .card.notes { transform: translateX(18%) rotate(7deg); }
  .card.build { transform: translateX(88%) rotate(13deg); }

  .source-rail span {
    min-height: 8.2rem;
  }

  .fan-shape {
    bottom: 1.4rem;
  }

  .silicon-map {
    min-height: 27rem;
    border-radius: 1.35rem;
    padding: 2rem 1rem 2rem 1.35rem;
  }

  .silicon-map::before,
  .silicon-grid {
    left: 1.35rem;
    top: 13%;
    bottom: 13%;
  }

  .node {
    left: 0;
  }

  .silicon-labels {
    width: 100%;
    gap: 2.55rem;
    padding-left: 1.7rem;
  }

  .silicon-labels div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .silicon-labels dd {
    font-size: 1.05rem;
  }
}

@media (min-width: 701px) {
  .hero-copy h1 {
    font-size: clamp(3.7rem, 6vw, 7rem);
  }

  .hero-copy h1 br:first-of-type {
    display: none;
  }

  .hero-device-stage {
    bottom: -10rem;
  }

  .hero-fan .card.read {
    z-index: 2;
    top: 84%;
    transform: translate(-250%, -50%) rotate(-18deg);
  }

  .hero-fan .card.frame {
    z-index: 3;
    top: 87%;
    transform: translate(-340%, -50%) rotate(7deg);
  }

  .hero-fan .card.shape-card {
    z-index: 2;
    top: 85%;
    transform: translate(190%, -50%) rotate(-5deg);
  }

  .hero-fan .card.notes {
    z-index: 3;
    top: 83%;
    transform: translate(260%, -50%) rotate(15deg);
  }

  .hero-fan .card.build {
    z-index: 1;
    top: 88%;
    transform: translate(340%, -50%) rotate(11deg);
  }
}

@media (min-width: 981px) {
  .hero-device-stage {
    bottom: -11.5rem;
  }

  .hero-fan .card.read {
    top: 80%;
  }

  .hero-fan .card.frame {
    top: 83%;
  }

  .hero-fan .card.shape-card {
    top: 81%;
  }

  .hero-fan .card.notes {
    top: 79%;
  }

  .hero-fan .card.build {
    top: 84%;
  }
}

@media (min-width: 701px) and (max-width: 980px) {
  .hero-device-stage {
    bottom: -14.1rem;
  }
}