:root {
  color-scheme: dark;
  --ink: #f4f5f7;
  --muted: #9ca8b8;
  --paper: #0b1018;
  --surface: #111925;
  --surface-2: #161f2c;
  --line: rgba(255, 255, 255, 0.12);
  --coral: #ff765e;
  --purple: #9484ff;
  --green: #5ee6ad;
  --max: 1180px;
  font-family: "Inter", system-ui, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 8%, rgba(148, 132, 255, 0.13), transparent 28rem),
    radial-gradient(circle at 8% 34%, rgba(94, 230, 173, 0.08), transparent 30rem),
    var(--paper);
}

body,
button,
a {
  font: inherit;
}

a {
  color: inherit;
}

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

button {
  color: inherit;
}

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

.case-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 16, 24, 0.86);
  backdrop-filter: blur(18px);
}

.case-nav {
  width: min(calc(100% - 40px), var(--max));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 10px;
  color: #07100d;
  background: var(--green);
}

.case-nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.case-nav-links a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.case-nav-links a:hover,
.case-nav-links a:focus-visible {
  color: var(--ink);
}

.language-toggle,
.nav-toggle {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.language-toggle {
  padding: 9px 14px;
  font-size: 0.82rem;
  font-weight: 700;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px;
}

.nav-toggle > span:not(.sr-only) {
  display: block;
  height: 2px;
  margin: 4px 0;
  background: var(--ink);
}

.hero,
.section,
.closing,
.footer {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.hero {
  position: relative;
  padding: 94px 0 54px;
}

.hero-glow {
  position: absolute;
  top: 30px;
  right: 1%;
  width: 38vw;
  height: 38vw;
  max-width: 560px;
  max-height: 560px;
  border-radius: 50%;
  background: conic-gradient(from 120deg, rgba(255, 118, 94, 0.17), rgba(148, 132, 255, 0.2), rgba(94, 230, 173, 0.12), rgba(255, 118, 94, 0.17));
  filter: blur(60px);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: clamp(42px, 7vw, 92px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 25px;
  font-size: clamp(3.5rem, 8vw, 7.8rem);
  line-height: 0.88;
  letter-spacing: -0.07em;
}

.hero-lede {
  max-width: 640px;
  margin-bottom: 30px;
  color: #c8d0db;
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 750;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

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

.button-primary {
  color: #07100d;
  border-color: var(--green);
  background: var(--green);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.04);
}

.hero-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.55;
}

.hero-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: #ebeae7;
  box-shadow: 0 36px 90px rgba(0, 0, 0, 0.38);
}

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

.hero-media figcaption {
  position: absolute;
  right: 16px;
  bottom: 16px;
  left: 16px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 13px 15px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  background: rgba(8, 12, 18, 0.86);
  backdrop-filter: blur(12px);
}

.hero-media figcaption span {
  color: var(--coral);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
}

.hero-media figcaption strong {
  font-size: 0.76rem;
  text-align: right;
}

.snapshot {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 68px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.snapshot article {
  padding: 24px 20px;
  border-right: 1px solid var(--line);
}

.snapshot article:last-child {
  border-right: 0;
}

.snapshot strong,
.snapshot span {
  display: block;
}

.snapshot strong {
  margin-bottom: 6px;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
}

.snapshot span {
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section {
  padding: 112px 0;
}

.section-dark {
  position: relative;
}

.section-dark::before {
  position: absolute;
  z-index: -1;
  inset: 30px 0;
  content: "";
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 54px;
}

.section-heading.compact {
  max-width: 700px;
}

.section-heading h2,
.skill-grid h2,
.qa-copy h2,
.closing h2 {
  margin-bottom: 22px;
  font-size: clamp(2.25rem, 5vw, 4.8rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

.section-heading > p:last-child,
.skill-grid > div > p:last-child,
.qa-copy > p,
.closing p {
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.75;
}

.input-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.input-grid figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #eee;
}

.input-grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.input-grid figcaption {
  display: flex;
  justify-content: space-between;
  padding: 15px 17px;
  color: var(--ink);
  background: var(--surface);
}

.input-grid figcaption span {
  color: var(--green);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

.pipeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
}

.pipeline article {
  min-height: 260px;
  padding: 25px 22px;
  border-right: 1px solid var(--line);
}

.pipeline article:last-child {
  border-right: 0;
}

.pipeline article > span,
.limit-grid article > span {
  color: var(--coral);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.76rem;
}

.pipeline h3,
.limit-grid h3 {
  margin: 74px 0 13px;
  font-size: 1.2rem;
}

.pipeline p,
.limit-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

.skill-section {
  padding-top: 150px;
  padding-bottom: 150px;
}

.skill-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.75fr);
  gap: clamp(60px, 10vw, 130px);
  align-items: center;
}

.skill-contract {
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  background: var(--surface);
}

.skill-contract > div {
  display: grid;
  grid-template-columns: 95px 1fr;
  gap: 18px;
  padding: 20px;
  border-bottom: 1px solid var(--line);
}

.skill-contract > div:last-child {
  border-bottom: 0;
}

.skill-contract span {
  color: var(--purple);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}

.skill-contract strong {
  font-size: 0.9rem;
}

.comparison {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
}

th,
td {
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

thead th {
  color: var(--green);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

tbody th {
  width: 30%;
  color: #cbd3de;
  font-size: 0.88rem;
}

tbody td {
  font-weight: 700;
}

tbody tr:last-child > * {
  border-bottom: 0;
}

.experiment-note {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 30px;
  margin-top: 20px;
  padding: 24px;
  border-left: 3px solid var(--coral);
  background: rgba(255, 118, 94, 0.07);
}

.experiment-note p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.demo-section {
  width: min(calc(100% - 24px), 1440px);
}

.demo-heading {
  width: min(calc(100% - 16px), var(--max));
  max-width: none;
  margin-right: auto;
  margin-left: auto;
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 60px;
  align-items: end;
}

.demo-heading p:last-child {
  margin-bottom: 10px;
}

.demo-frame-shell {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #080b10;
  box-shadow: 0 36px 90px rgba(0, 0, 0, 0.35);
}

.demo-frame-shell iframe {
  display: block;
  width: 100%;
  height: min(78vh, 820px);
  min-height: 620px;
  border: 0;
}

.demo-links {
  width: min(calc(100% - 16px), var(--max));
  margin: 18px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.demo-links a {
  color: var(--green);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}

.qa-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(480px, 1.28fr);
  gap: clamp(50px, 8vw, 100px);
  align-items: start;
}

.qa-copy {
  position: sticky;
  top: 110px;
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 36px 0 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}

.score-grid article {
  padding: 18px 14px;
  border-right: 1px solid var(--line);
}

.score-grid article:last-child {
  border-right: 0;
}

.score-grid span,
.score-grid strong,
.score-grid small {
  display: block;
}

.score-grid span,
.score-grid small {
  color: var(--muted);
  font-size: 0.68rem;
}

.score-grid strong {
  margin: 7px 0;
  color: var(--coral);
  font-size: 1.65rem;
}

.qa-status {
  padding: 13px 15px;
  border: 1px solid rgba(255, 118, 94, 0.35);
  border-radius: 10px;
  color: #ffad9e !important;
  font-size: 0.78rem !important;
}

.qa-media {
  margin: 0;
}

.qa-media img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
}

.qa-media figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.75rem;
}

.limit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.limit-grid article {
  min-height: 240px;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.limit-grid h3 {
  margin-top: 55px;
}

.closing {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: end;
  margin-top: 50px;
  margin-bottom: 80px;
  padding: 54px;
  border: 1px solid rgba(94, 230, 173, 0.35);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(94, 230, 173, 0.09), rgba(148, 132, 255, 0.08)),
    var(--surface);
}

.closing > div {
  max-width: 760px;
}

.footer {
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
}

.footer p {
  margin: 0;
}

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

@media (max-width: 980px) {
  .hero-grid,
  .skill-grid,
  .qa-grid {
    grid-template-columns: 1fr;
  }

  .hero-media {
    max-width: 760px;
  }

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

  .pipeline article {
    border-bottom: 1px solid var(--line);
  }

  .pipeline article:nth-child(2n) {
    border-right: 0;
  }

  .pipeline article:last-child {
    grid-column: 1 / -1;
    min-height: 200px;
    border-bottom: 0;
  }

  .qa-copy {
    position: static;
  }
}

@media (max-width: 760px) {
  .case-nav {
    width: min(calc(100% - 28px), var(--max));
  }

  .nav-toggle {
    display: block;
  }

  .case-nav-links {
    position: absolute;
    top: 64px;
    right: 14px;
    left: 14px;
    display: none;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #101722;
    box-shadow: 0 22px 50px rgba(0, 0, 0, 0.35);
  }

  .case-nav-links.is-open {
    display: grid;
  }

  .case-nav-links a,
  .language-toggle {
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .language-toggle {
    justify-content: center;
  }

  .hero,
  .section,
  .closing,
  .footer {
    width: min(calc(100% - 28px), var(--max));
  }

  .hero {
    padding-top: 66px;
  }

  h1 {
    font-size: clamp(3.25rem, 17vw, 5rem);
  }

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

  .hero-media figcaption {
    position: static;
    border: 0;
    border-radius: 0;
  }

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

  .snapshot article:nth-child(2) {
    border-right: 0;
  }

  .snapshot article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .section {
    padding: 82px 0;
  }

  .input-grid,
  .limit-grid {
    grid-template-columns: 1fr;
  }

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

  .pipeline article,
  .pipeline article:nth-child(2n) {
    min-height: 210px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .pipeline article:last-child {
    grid-column: auto;
  }

  .pipeline h3 {
    margin-top: 42px;
  }

  .skill-contract > div,
  .experiment-note,
  .demo-heading,
  .closing {
    grid-template-columns: 1fr;
  }

  .demo-section {
    width: calc(100% - 12px);
  }

  .demo-frame-shell iframe {
    height: 760px;
    min-height: 760px;
  }

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

  .score-grid article,
  .score-grid article:last-child {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .score-grid article:last-child {
    border-bottom: 0;
  }

  .closing {
    padding: 32px 24px;
  }

  .footer {
    padding: 32px 0;
    flex-direction: column;
    align-items: flex-start;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}