:root {
  color-scheme: dark;
  --bg: #0b0e13;
  --bg-deep: #07090d;
  --panel: #121720;
  --panel-2: #171d28;
  --line: rgba(219, 226, 238, 0.13);
  --line-strong: rgba(219, 226, 238, 0.24);
  --text: #edf2f7;
  --text-soft: #bbc5d2;
  --text-dim: #7f8999;
  --accent: #2dd4bf;
  --accent-bright: #6af6e2;
  --accent-soft: rgba(45, 212, 191, 0.12);
  --purple: #c45bf4;
  --blue: #55b8f5;
  --yellow: #f6e92e;
  --red: #f4485d;
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
  --shell: min(1440px, calc(100vw - 72px));
  --header-height: 78px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 76% 9%, rgba(45, 212, 191, 0.09), transparent 24rem),
    radial-gradient(circle at 12% 31%, rgba(196, 91, 244, 0.055), transparent 25rem),
    var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

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

button,
a {
  font: inherit;
}

a {
  color: inherit;
}

button {
  color: inherit;
}

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

video {
  background: #05070a;
}

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

h1,
h2,
h3 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

section,
article {
  scroll-margin-top: calc(var(--header-height) + 24px);
}

::selection {
  background: var(--accent);
  color: #06110f;
}

:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 4px;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 15px;
  border-radius: 9px;
  background: var(--yellow);
  color: #0a0c10;
  font-weight: 800;
  transform: translateY(-180%);
  transition: transform 160ms ease;
}

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

.section-shell {
  width: var(--shell);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: var(--header-height);
  padding-inline: max(36px, calc((100vw - 1440px) / 2));
  border-bottom: 1px solid transparent;
  background: rgba(11, 14, 19, 0.72);
  backdrop-filter: blur(18px) saturate(130%);
  transition:
    border-color 180ms ease,
    background 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(11, 14, 19, 0.93);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: max-content;
  gap: 11px;
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: flex-end;
  justify-content: center;
  width: 32px;
  height: 32px;
  gap: 3px;
  padding: 7px 6px;
  border: 1px solid rgba(106, 246, 226, 0.3);
  border-radius: 9px;
  background: var(--accent-soft);
  box-shadow: inset 0 0 18px rgba(45, 212, 191, 0.07);
}

.brand-mark i {
  display: block;
  width: 3px;
  border-radius: 99px;
  background: var(--accent-bright);
}

.brand-mark i:nth-child(1) { height: 8px; }
.brand-mark i:nth-child(2) { height: 15px; }
.brand-mark i:nth-child(3) { height: 11px; }
.brand-mark i:nth-child(4) { height: 18px; }

.brand-word {
  font-family: "Arial Narrow", "Bahnschrift Condensed", Impact, sans-serif;
  font-size: 1.26rem;
  font-weight: 800;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

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

.site-nav a {
  position: relative;
  color: var(--text-dim);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 150ms ease;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 2px;
  border-radius: 9px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="true"] {
  color: var(--text);
}

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

.site-header > .button {
  justify-self: end;
}

.button,
.text-link,
.step-video,
.cue {
  border: 0;
  cursor: pointer;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  gap: 10px;
  padding: 13px 20px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.035em;
  line-height: 1.2;
  text-decoration: none;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--accent);
  color: #06110f;
  box-shadow: 0 14px 38px rgba(45, 212, 191, 0.2);
}

.button-primary:hover {
  background: var(--accent-bright);
  box-shadow: 0 18px 46px rgba(45, 212, 191, 0.28);
}

.button-ghost {
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.025);
  color: var(--text);
}

.button-ghost:hover {
  border-color: rgba(106, 246, 226, 0.46);
  background: var(--accent-soft);
}

.button-small {
  min-height: 40px;
  padding: 9px 16px;
  font-size: 0.74rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 2px;
  border-bottom: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text-soft);
  font-weight: 750;
  text-decoration: none;
  transition:
    border-color 150ms ease,
    color 150ms ease;
}

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

.play-dot {
  display: inline-grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border-radius: 50%;
  background: rgba(4, 19, 16, 0.15);
  font-size: 0.65rem;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent-bright);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.3;
  text-transform: uppercase;
}

.eyebrow > span {
  width: 22px;
  height: 2px;
  border-radius: 99px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(45, 212, 191, 0.65);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.76fr) minmax(520px, 1.24fr);
  align-items: center;
  min-height: calc(100svh - var(--header-height));
  gap: clamp(44px, 5vw, 84px);
  padding-block: 72px 86px;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero h1 {
  margin-top: 22px;
  font-family: "Arial Narrow", "Bahnschrift Condensed", Impact, sans-serif;
  font-size: clamp(4.2rem, 7.3vw, 8.5rem);
  font-stretch: condensed;
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 0.83;
  text-transform: uppercase;
}

.hero h1 em {
  color: var(--accent-bright);
  font-style: normal;
  text-shadow: 0 0 38px rgba(45, 212, 191, 0.18);
}

.hero-lede {
  max-width: 650px;
  margin-top: 32px;
  color: var(--text-soft);
  font-size: clamp(1.02rem, 1.25vw, 1.24rem);
  line-height: 1.68;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 34px;
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, max-content);
  gap: clamp(20px, 2.8vw, 44px);
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.hero-facts div {
  display: grid;
  gap: 1px;
}

.hero-facts dt {
  font-family: "Arial Narrow", "Bahnschrift Condensed", Impact, sans-serif;
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-facts dd {
  color: var(--text-dim);
  font-size: 0.73rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.media-frame {
  position: relative;
  isolation: isolate;
  border: 1px solid var(--line-strong);
  background: #05070a;
  box-shadow: var(--shadow);
}

.media-frame::before {
  position: absolute;
  z-index: -2;
  inset: -12%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.15), transparent 64%);
  content: "";
  filter: blur(26px);
}

.media-frame-hero {
  overflow: hidden;
  border-radius: var(--radius-lg);
  transform: perspective(1600px) rotateY(-2.2deg) rotateX(0.8deg);
}

.media-frame-hero video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.media-frame-hero::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.065), transparent 22%),
    linear-gradient(to top, rgba(5, 7, 10, 0.72), transparent 28%);
}

.media-grid {
  position: absolute;
  z-index: 1;
  inset: 0;
  opacity: 0.23;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(106, 246, 226, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(106, 246, 226, 0.06) 1px, transparent 1px);
  background-size: 9% 17%;
  mask-image: linear-gradient(to right, black, transparent 44%);
}

.media-corner {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(5, 7, 10, 0.7);
  color: var(--text-soft);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.media-corner-top {
  top: 18px;
  left: 18px;
}

.media-corner-bottom {
  right: 18px;
  bottom: 46px;
}

.live-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 0 rgba(244, 72, 93, 0.5);
  animation: live-pulse 1.8s infinite;
}

@keyframes live-pulse {
  70% { box-shadow: 0 0 0 7px rgba(244, 72, 93, 0); }
  100% { box-shadow: 0 0 0 0 rgba(244, 72, 93, 0); }
}

.media-frame-hero figcaption {
  position: absolute;
  z-index: 3;
  right: 18px;
  bottom: 14px;
  left: 18px;
  display: flex;
  justify-content: space-between;
  color: rgba(237, 242, 247, 0.66);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.pipeline-strip {
  display: grid;
  grid-template-columns: 0.75fr 1.75fr;
  gap: 46px;
  padding-block: 56px 72px;
  border-top: 1px solid var(--line);
}

.pipeline-heading h2 {
  max-width: 410px;
  margin-top: 6px;
  font-family: "Arial Narrow", "Bahnschrift Condensed", Impact, sans-serif;
  font-size: clamp(1.9rem, 2.5vw, 3rem);
  letter-spacing: -0.02em;
  line-height: 1;
  text-transform: uppercase;
}

.section-index {
  color: var(--text-dim);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.pipeline-list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pipeline-list::before {
  position: absolute;
  top: 24px;
  right: 11%;
  left: 11%;
  height: 1px;
  background: linear-gradient(90deg, var(--purple), var(--blue), var(--accent), var(--yellow));
  content: "";
  opacity: 0.56;
}

.pipeline-list li {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 3px;
  text-align: center;
}

.pipeline-number {
  z-index: 1;
  display: grid;
  width: 49px;
  height: 49px;
  margin-bottom: 10px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--bg);
  color: var(--accent-bright);
  font-size: 0.67rem;
  font-weight: 900;
  letter-spacing: 0.07em;
}

.pipeline-list strong {
  font-family: "Arial Narrow", "Bahnschrift Condensed", Impact, sans-serif;
  font-size: 1.08rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pipeline-list small {
  color: var(--text-dim);
  font-size: 0.72rem;
}

.film-section,
.howto-section,
.feature-section,
.closing-section {
  padding-block: 118px;
}

.section-intro,
.howto-header {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: end;
  gap: clamp(42px, 8vw, 130px);
  margin-bottom: 52px;
}

.section-intro-wide {
  grid-template-columns: 1.4fr 0.6fr;
}

.section-intro h2,
.howto-header h2,
.data-heading h2,
.closing-card h2 {
  margin-top: 16px;
  font-family: "Arial Narrow", "Bahnschrift Condensed", Impact, sans-serif;
  font-size: clamp(3rem, 5.8vw, 6.3rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.92;
  text-transform: uppercase;
}

.section-intro > p,
.howto-header > p {
  max-width: 580px;
  color: var(--text-soft);
  font-size: 1.02rem;
  line-height: 1.75;
}

.cinema-frame {
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: #05070a;
  box-shadow: var(--shadow);
}

.cinema-topline {
  display: flex;
  justify-content: space-between;
  padding: 11px 18px;
  border-bottom: 1px solid var(--line);
  background: #0d1118;
  color: var(--text-dim);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cinema-frame video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

.cinema-frame figcaption {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 15px 19px 17px;
  border-top: 1px solid var(--line);
  background: #0d1118;
  color: var(--text-dim);
  font-size: 0.76rem;
}

.cinema-frame figcaption b {
  color: var(--text-soft);
}

.transcript {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.018);
}

.transcript summary {
  padding: 14px 18px;
  color: var(--text-soft);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 750;
}

.transcript > div {
  display: grid;
  gap: 10px;
  padding: 0 18px 18px;
  color: var(--text-dim);
  font-size: 0.84rem;
}

.workflow-section {
  position: relative;
  overflow: hidden;
  padding-block: 128px;
  border-block: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent 28%),
    #0e1219;
}

.workflow-section::after {
  position: absolute;
  top: 18%;
  left: -12rem;
  width: 28rem;
  height: 28rem;
  border-radius: 50%;
  background: rgba(196, 91, 244, 0.08);
  content: "";
  filter: blur(80px);
  pointer-events: none;
}

.chapter {
  position: relative;
  z-index: 1;
  display: grid;
  align-items: center;
  gap: clamp(54px, 9vw, 150px);
}

.chapter + .chapter {
  margin-top: 170px;
}

.chapter-capture {
  grid-template-columns: 0.88fr 1.12fr;
}

.chapter-studio {
  grid-template-columns: 1.42fr 0.58fr;
}

.chapter-number {
  color: var(--accent-bright);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.chapter-copy h3 {
  margin-top: 17px;
  font-family: "Arial Narrow", "Bahnschrift Condensed", Impact, sans-serif;
  font-size: clamp(3rem, 5.5vw, 6.7rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.91;
  text-transform: uppercase;
}

.chapter-lede {
  max-width: 680px;
  margin-top: 28px;
  color: var(--text-soft);
  font-size: clamp(1.02rem, 1.35vw, 1.22rem);
  line-height: 1.72;
}

.proof-list {
  display: grid;
  gap: 13px;
  margin: 30px 0 0;
  padding: 0;
  color: var(--text-soft);
  font-size: 0.88rem;
  list-style: none;
}

.proof-list li {
  display: flex;
  align-items: center;
  gap: 11px;
}

.proof-list li span {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border: 1px solid var(--accent-bright);
  border-radius: 50%;
  box-shadow: 0 0 9px rgba(45, 212, 191, 0.42);
}

.cue-group,
.studio-cues {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.cue {
  display: inline-grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--text-dim);
  font-size: 0.72rem;
  transition:
    border-color 150ms ease,
    background 150ms ease,
    color 150ms ease;
}

.cue b {
  color: var(--accent-bright);
  font-size: 0.67rem;
  letter-spacing: 0.06em;
}

.cue:hover,
.cue.is-active {
  border-color: rgba(106, 246, 226, 0.46);
  background: var(--accent-soft);
  color: var(--text);
}

.portrait-stage {
  position: relative;
  width: min(440px, 100%);
  margin-inline: auto;
  padding: 12px;
  border: 1px solid var(--line-strong);
  border-radius: 34px;
  background: #080b10;
  box-shadow: var(--shadow);
}

.portrait-stage::before,
.portrait-stage::after {
  position: absolute;
  z-index: 2;
  width: 34px;
  height: 34px;
  border-color: var(--accent);
  content: "";
  pointer-events: none;
}

.portrait-stage::before {
  top: -8px;
  left: -8px;
  border-top: 2px solid;
  border-left: 2px solid;
}

.portrait-stage::after {
  right: -8px;
  bottom: -8px;
  border-right: 2px solid;
  border-bottom: 2px solid;
}

.portrait-stage video {
  width: 100%;
  aspect-ratio: 9 / 20;
  border-radius: 24px;
  object-fit: cover;
}

.portrait-halo {
  position: absolute;
  z-index: -1;
  inset: 12% -30%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 45%, rgba(45, 212, 191, 0.18), transparent 52%),
    radial-gradient(circle at 62% 62%, rgba(196, 91, 244, 0.12), transparent 48%);
  filter: blur(35px);
}

.portrait-stage figcaption {
  display: flex;
  justify-content: space-between;
  padding: 11px 4px 2px;
  color: var(--text-dim);
  font-size: 0.63rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.studio-media-wrap {
  min-width: 0;
}

.studio-stage {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: #05070a;
  box-shadow: var(--shadow);
}

.studio-stage::after {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -12%;
  width: 5px;
  background: linear-gradient(transparent, var(--accent), transparent);
  content: "";
  opacity: 0.44;
  pointer-events: none;
  animation: scan-line 7s ease-in-out infinite;
}

@keyframes scan-line {
  0%, 10% { left: -12%; }
  72%, 100% { left: 112%; }
}

.studio-stage video {
  width: 100%;
  aspect-ratio: 426 / 211;
  object-fit: contain;
}

.studio-label {
  position: absolute;
  z-index: 3;
  top: 14px;
  right: 14px;
  padding: 6px 9px;
  border: 1px solid rgba(106, 246, 226, 0.25);
  border-radius: 7px;
  background: rgba(5, 7, 10, 0.75);
  color: var(--accent-bright);
  font-size: 0.61rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.studio-stage figcaption {
  padding: 11px 14px;
  border-top: 1px solid var(--line);
  background: #0d1118;
  color: var(--text-dim);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.studio-cues {
  margin-top: 14px;
}

.handoff-note {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 16px;
  margin-top: 32px;
  padding: 18px;
  border: 1px solid rgba(106, 246, 226, 0.19);
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
}

.handoff-note > span {
  display: grid;
  min-width: 62px;
  min-height: 48px;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: #07110f;
  font-family: "Arial Narrow", "Bahnschrift Condensed", Impact, sans-serif;
  font-weight: 900;
  letter-spacing: 0.05em;
}

.handoff-note p {
  color: var(--text-soft);
  font-size: 0.82rem;
  line-height: 1.62;
}

.handoff-note b {
  color: var(--text);
}

.howto-header {
  align-items: end;
}

.step-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.step-card {
  position: relative;
  display: flex;
  min-height: 330px;
  flex-direction: column;
  padding: clamp(24px, 2.4vw, 38px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.03), transparent 45%),
    var(--panel);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.step-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-4px);
}

.step-card::after {
  position: absolute;
  right: -30px;
  bottom: -58px;
  width: 130px;
  height: 130px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 50%;
  content: "";
}

.step-card-accent {
  border-color: rgba(106, 246, 226, 0.21);
  background:
    linear-gradient(145deg, rgba(45, 212, 191, 0.09), transparent 48%),
    var(--panel);
}

.step-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.step-topline span {
  color: var(--accent-bright);
  font-family: "Arial Narrow", "Bahnschrift Condensed", Impact, sans-serif;
  font-size: 1.22rem;
  font-weight: 900;
}

.step-topline small {
  color: var(--text-dim);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.step-card h3 {
  margin-top: 25px;
  font-family: "Arial Narrow", "Bahnschrift Condensed", Impact, sans-serif;
  font-size: clamp(1.8rem, 2.35vw, 2.6rem);
  font-weight: 850;
  letter-spacing: -0.02em;
  line-height: 1;
  text-transform: uppercase;
}

.step-card > p {
  margin-top: 18px;
  color: var(--text-soft);
  font-size: 0.87rem;
  line-height: 1.7;
}

.step-card > p b {
  color: var(--text);
}

.step-foot {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  margin-top: auto;
  padding-top: 22px;
  color: var(--text-dim);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.step-foot b {
  color: var(--text-soft);
}

.step-video {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: auto;
  padding: 14px 0 2px;
  border-top: 1px solid var(--line);
  background: transparent;
  color: var(--accent-bright);
  font-size: 0.77rem;
  font-weight: 800;
  text-align: left;
}

.step-video:hover span {
  transform: translate(2px, -2px);
}

.step-video span {
  transition: transform 150ms ease;
}

.data-section {
  position: relative;
  overflow: hidden;
  padding-block: 128px;
  border-block: 1px solid var(--line);
  background:
    radial-gradient(circle at 14% 50%, rgba(45, 212, 191, 0.11), transparent 25rem),
    #0e1219;
}

.data-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: start;
  gap: clamp(60px, 9vw, 150px);
}

.data-heading {
  position: sticky;
  top: calc(var(--header-height) + 46px);
}

.data-heading h2 {
  font-size: clamp(3.4rem, 5.7vw, 6.6rem);
}

.data-heading > p:last-child {
  max-width: 560px;
  margin-top: 28px;
  color: var(--text-soft);
  font-size: 1.02rem;
  line-height: 1.75;
}

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

.data-grid > div {
  display: grid;
  grid-template-columns: 0.38fr 0.62fr;
  gap: 22px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.data-grid dt {
  color: var(--accent-bright);
  font-family: "Arial Narrow", "Bahnschrift Condensed", Impact, sans-serif;
  font-size: 1.28rem;
  font-weight: 850;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.data-grid dd {
  color: var(--text-soft);
  line-height: 1.7;
}

.boundary-card {
  grid-column: 2;
  display: grid;
  grid-template-columns: 0.32fr 0.68fr;
  gap: 24px;
  padding: 22px;
  border: 1px solid rgba(246, 233, 46, 0.21);
  border-radius: var(--radius-sm);
  background: rgba(246, 233, 46, 0.055);
}

.boundary-card span {
  color: var(--yellow);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.boundary-card p {
  color: var(--text-soft);
  font-size: 0.84rem;
  line-height: 1.65;
}

.feature-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  list-style: none;
}

.feature-row li {
  display: grid;
  min-height: 160px;
  align-content: space-between;
  gap: 28px;
  padding: 24px;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.018);
}

.feature-row li:last-child {
  border-right: 0;
}

.feature-row span {
  color: var(--accent-bright);
  font-family: "Arial Narrow", "Bahnschrift Condensed", Impact, sans-serif;
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.feature-row b {
  color: var(--text-soft);
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  line-height: 1.4;
  text-transform: uppercase;
}

.closing-section {
  padding-top: 32px;
}

.closing-card {
  position: relative;
  overflow: hidden;
  padding: clamp(50px, 8vw, 120px);
  border: 1px solid rgba(106, 246, 226, 0.22);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 82% 25%, rgba(45, 212, 191, 0.22), transparent 19rem),
    radial-gradient(circle at 65% 100%, rgba(196, 91, 244, 0.13), transparent 25rem),
    var(--panel);
  box-shadow: var(--shadow);
}

.closing-card::after {
  position: absolute;
  right: -5%;
  bottom: -46%;
  width: 42%;
  aspect-ratio: 1;
  border: 1px solid rgba(106, 246, 226, 0.13);
  border-radius: 50%;
  box-shadow:
    0 0 0 55px rgba(106, 246, 226, 0.025),
    0 0 0 110px rgba(106, 246, 226, 0.018);
  content: "";
}

.closing-card h2 {
  position: relative;
  z-index: 1;
  max-width: 1120px;
}

.closing-card > p:not(.eyebrow) {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin-top: 28px;
  color: var(--text-soft);
  font-size: 1.05rem;
}

.closing-actions {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 36px;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding-block: 35px;
  border-top: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 0.72rem;
}

.site-footer > p {
  text-align: center;
}

.site-footer > a:last-child {
  justify-self: end;
  color: var(--text-soft);
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 1180px) {
  :root {
    --shell: min(100% - 48px, 1100px);
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 80px;
  }

  .hero-copy {
    max-width: 920px;
  }

  .hero h1 {
    font-size: clamp(5rem, 11vw, 8.2rem);
  }

  .hero-visual {
    width: min(100%, 980px);
    margin-inline: auto;
  }

  .chapter-capture,
  .chapter-studio {
    grid-template-columns: 1fr 1fr;
    gap: 60px;
  }

  .step-list {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .feature-row li:nth-child(3) {
    border-right: 0;
  }

  .feature-row li:nth-child(-n + 3) {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 900px) {
  :root {
    --shell: min(100% - 36px, 780px);
    --header-height: 68px;
  }

  .site-header {
    grid-template-columns: 1fr auto;
    padding-inline: 18px;
  }

  .site-nav {
    display: none;
  }

  .hero {
    gap: 52px;
    padding-block: 66px;
  }

  .hero h1 {
    font-size: clamp(4.1rem, 17vw, 7.4rem);
  }

  .media-frame-hero {
    transform: none;
  }

  .pipeline-strip,
  .section-intro,
  .howto-header,
  .data-layout {
    grid-template-columns: 1fr;
  }

  .pipeline-strip {
    gap: 36px;
  }

  .pipeline-heading h2 {
    max-width: 560px;
  }

  .section-intro,
  .howto-header {
    gap: 30px;
  }

  .section-intro h2,
  .howto-header h2,
  .data-heading h2,
  .closing-card h2 {
    font-size: clamp(3.4rem, 12vw, 5.8rem);
  }

  .chapter-capture,
  .chapter-studio {
    grid-template-columns: 1fr;
  }

  .chapter-capture .chapter-copy {
    order: 1;
  }

  .chapter-capture .portrait-stage {
    order: 2;
  }

  .chapter-studio .studio-media-wrap {
    order: 2;
  }

  .chapter-studio .chapter-copy {
    order: 1;
  }

  .chapter-copy h3 {
    font-size: clamp(3.6rem, 13vw, 6rem);
  }

  .portrait-stage {
    width: min(420px, 82vw);
  }

  .data-heading {
    position: static;
  }

  .boundary-card {
    grid-column: auto;
  }

  .feature-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-row li,
  .feature-row li:nth-child(3) {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .feature-row li:nth-child(even) {
    border-right: 0;
  }

  .feature-row li:last-child {
    grid-column: 1 / -1;
    border-right: 0;
    border-bottom: 0;
  }

  .site-footer {
    grid-template-columns: 1fr auto;
  }

  .site-footer > p {
    display: none;
  }
}

@media (max-width: 620px) {
  :root {
    --shell: calc(100% - 28px);
  }

  body {
    font-size: 15px;
  }

  .brand-word {
    font-size: 1.04rem;
  }

  .site-header .button-small {
    min-height: 36px;
    padding: 8px 12px;
    font-size: 0.67rem;
  }

  .hero {
    padding-top: 52px;
  }

  .hero h1 {
    margin-top: 19px;
    font-size: clamp(3.45rem, 19vw, 5.7rem);
    line-height: 0.86;
  }

  .hero-lede {
    margin-top: 25px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 14px;
  }

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

  .hero-actions .text-link {
    align-self: flex-start;
  }

  .hero-facts {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .hero-facts dt {
    font-size: 0.92rem;
  }

  .hero-facts dd {
    font-size: 0.58rem;
  }

  .media-frame-hero {
    border-radius: 18px;
  }

  .media-corner {
    font-size: 0.56rem;
  }

  .media-corner-top {
    top: 10px;
    left: 10px;
  }

  .media-corner-bottom {
    right: 10px;
    bottom: 34px;
  }

  .media-frame-hero figcaption {
    right: 10px;
    bottom: 8px;
    left: 10px;
    font-size: 0.55rem;
  }

  .pipeline-list {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 30px;
  }

  .pipeline-list::before {
    display: none;
  }

  .film-section,
  .howto-section,
  .feature-section,
  .closing-section,
  .workflow-section,
  .data-section {
    padding-block: 84px;
  }

  .cinema-frame,
  .studio-stage {
    border-radius: 14px;
  }

  .cinema-topline {
    font-size: 0.56rem;
  }

  .cinema-frame figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .chapter + .chapter {
    margin-top: 112px;
  }

  .chapter-copy h3 {
    font-size: clamp(3.25rem, 16vw, 5rem);
  }

  .cue-group,
  .studio-cues {
    gap: 7px;
  }

  .cue {
    padding: 8px 10px;
  }

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

  .step-card {
    min-height: 310px;
  }

  .data-grid > div,
  .boundary-card {
    grid-template-columns: 1fr;
  }

  .feature-row {
    grid-template-columns: 1fr;
  }

  .feature-row li,
  .feature-row li:nth-child(3),
  .feature-row li:nth-child(even),
  .feature-row li:last-child {
    grid-column: auto;
    min-height: 120px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .feature-row li:last-child {
    border-bottom: 0;
  }

  .closing-card {
    padding: 48px 25px;
    border-radius: 20px;
  }

  .closing-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .closing-actions .button {
    width: 100%;
  }

  .closing-actions .text-link {
    align-self: flex-start;
  }
}

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

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