:root {
  --ink: #142029;
  --muted: #64717a;
  --paper: #f7f2e8;
  --panel: #fffaf0;
  --panel-strong: #ffffff;
  --line: rgba(49, 65, 75, 0.16);
  --blue: #1e5f8a;
  --blue-dark: #11364f;
  --green: #0f6b58;
  --green-dark: #073e36;
  --amber: #c08021;
  --rust: #b7422f;
  --cream: #fbf0d3;
  --shadow: 0 26px 80px rgba(22, 32, 41, 0.15);
  --soft-shadow: 0 16px 42px rgba(22, 32, 41, 0.09);
  --serif: Georgia, "Times New Roman", Times, serif;
  --sans: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", "JetBrains Mono", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 4%, rgba(30, 95, 138, 0.18), transparent 31rem),
    radial-gradient(circle at 84% 8%, rgba(15, 107, 88, 0.18), transparent 28rem),
    radial-gradient(circle at 54% 46%, rgba(192, 128, 33, 0.13), transparent 35rem),
    linear-gradient(180deg, #fcfbf7 0%, var(--paper) 52%, #ebe0cf 100%);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

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

.hero {
  min-height: auto;
  padding: 1.2rem clamp(1rem, 4vw, 4rem) clamp(2.4rem, 5vw, 4rem);
}

.hero.compact {
  padding-bottom: clamp(1.8rem, 4vw, 3rem);
}

.nav {
  display: flex;
  justify-content: flex-end;
  gap: 0.65rem;
  flex-wrap: wrap;
  max-width: 1240px;
  margin: 0 auto clamp(1.4rem, 4vw, 3.5rem);
}

.nav a {
  padding: 0.46rem 0.82rem;
  border: 1px solid rgba(20, 32, 41, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
  color: #50606b;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 750;
  backdrop-filter: blur(10px);
  transition: transform 160ms ease, border-color 160ms ease, color 160ms ease;
}

.nav .nav-brand {
  margin-right: auto;
  border-color: transparent;
  background: transparent;
  color: var(--green-dark);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  box-shadow: none;
}

.nav a:hover {
  transform: translateY(-1px);
  color: var(--green-dark);
  border-color: rgba(15, 107, 88, 0.45);
}

.nav .nav-brand:hover {
  transform: none;
  border-color: transparent;
}

.hero-shell {
  display: grid;
  grid-template-columns: minmax(420px, 1.04fr) minmax(460px, 0.96fr);
  gap: clamp(1.75rem, 4.8vw, 4.6rem);
  align-items: center;
  max-width: 1360px;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 0.72rem;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  line-height: 1.03;
}

h1 {
  max-width: 15ch;
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(2.7rem, 4.7vw, 4.9rem);
  font-weight: 800;
  letter-spacing: -0.018em;
  line-height: 1.04;
  text-wrap: balance;
}

.project-kicker {
  max-width: 42ch;
  margin-top: 0.75rem;
  color: #405663;
  font-size: clamp(0.94rem, 1.05vw, 1.08rem);
  font-weight: 820;
  letter-spacing: 0.015em;
}

.hero-subtitle {
  max-width: 30ch;
  margin-top: 1.05rem;
  color: var(--green-dark);
  font-family: var(--serif);
  font-size: clamp(1.3rem, 1.9vw, 1.7rem);
  font-style: italic;
  letter-spacing: -0.02em;
  line-height: 1.18;
}

h2 {
  margin: 0 0 0.9rem;
  font-size: clamp(1.75rem, 3.2vw, 3.25rem);
  letter-spacing: -0.046em;
}

h3 {
  margin: 0 0 0.45rem;
  font-size: 1.35rem;
}

p {
  margin: 0;
}

.lede {
  max-width: 620px;
  margin-top: 1.15rem;
  color: #364b59;
  font-size: clamp(1rem, 1.18vw, 1.12rem);
}

.author-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1.45rem;
  color: #41525d;
  font-weight: 750;
}

.author-line span {
  display: inline-flex;
  align-items: center;
}

.author-line span:not(:last-child)::after {
  content: "/";
  margin-left: 0.45rem;
  color: #9aa5ac;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.45rem;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 2.55rem;
  padding: 0.62rem 1rem;
  border: 1px solid rgba(20, 32, 41, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  color: var(--ink);
  text-decoration: none;
  font-weight: 850;
  box-shadow: 0 10px 28px rgba(20, 32, 41, 0.08);
}

.button.primary {
  background: linear-gradient(135deg, var(--green), var(--blue));
  color: #fff;
  border-color: transparent;
}

.button.disabled {
  color: #7d878e;
  cursor: not-allowed;
  opacity: 0.76;
}

.chip-row,
.resource-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.1rem;
}

.chip-row span {
  padding: 0.42rem 0.72rem;
  border: 1px solid rgba(15, 107, 88, 0.24);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--green-dark);
  font-size: 0.86rem;
  font-weight: 850;
}

.hero-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 1.85rem;
  background: #101820;
  box-shadow: 0 34px 110px rgba(22, 32, 41, 0.24);
  align-self: center;
  cursor: zoom-in;
  transform: translateY(0.4rem);
}

.hero-copy {
  align-self: center;
}

.hero-media video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #101820;
  filter: saturate(0.95) contrast(1.02);
  transition: filter 220ms ease, transform 260ms ease;
}

.hero-media::before,
.media-card:has(.preview-video)::before {
  content: "hover to play";
  position: absolute;
  z-index: 3;
  top: 0.72rem;
  left: 0.72rem;
  padding: 0.28rem 0.54rem;
  border-radius: 999px;
  background: rgba(10, 16, 22, 0.72);
  color: #eef8f8;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 180ms ease, transform 180ms ease;
  pointer-events: none;
}

.hero-media::after,
.media-card:has(.preview-video)::after {
  content: "Click to expand";
  position: absolute;
  z-index: 3;
  right: 0.72rem;
  bottom: calc(3.75rem + 0.72rem);
  padding: 0.38rem 0.7rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(15, 107, 88, 0.92), rgba(30, 95, 138, 0.92));
  color: #fff;
  font-size: 0.78rem;
  font-weight: 900;
  box-shadow: 0 12px 30px rgba(7, 16, 21, 0.22);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 180ms ease, transform 180ms ease;
  pointer-events: none;
}

.hero-media:hover::before,
.hero-media:hover::after,
.hero-media.is-previewing::before,
.hero-media.is-previewing::after,
.media-card:has(.preview-video):hover::before,
.media-card:has(.preview-video):hover::after,
.media-card.is-previewing::before,
.media-card.is-previewing::after {
  opacity: 1;
  transform: translateY(0);
}

.hero-media:hover video,
.hero-media.is-previewing video {
  filter: saturate(1.08) contrast(1.06);
  transform: scale(1.015);
}

.hero-media figcaption {
  padding: 1.15rem 1.25rem 1.25rem;
  color: #dbe8ee;
  background: linear-gradient(180deg, #15232d, #0f1a21);
  font-size: clamp(0.98rem, 1.25vw, 1.15rem);
  font-weight: 820;
  line-height: 1.45;
}

.section {
  max-width: 1240px;
  margin: 0 auto clamp(1.8rem, 4vw, 3rem);
  padding: 0 clamp(1rem, 4vw, 2rem);
}

.results {
  padding-top: clamp(2rem, 4vw, 3rem);
  padding-bottom: clamp(1rem, 3vw, 2rem);
}

.result-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.result-card {
  min-height: 16rem;
  padding: 1.2rem;
  border: 1px solid rgba(30, 95, 138, 0.16);
  border-radius: 1.25rem;
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.92), rgba(239, 248, 246, 0.82));
  box-shadow: var(--soft-shadow);
}

.metric.big {
  font-size: clamp(2.5rem, 5vw, 4.4rem);
  letter-spacing: -0.07em;
}

.result-card h3 {
  margin-top: 0.55rem;
}

.result-card p {
  color: var(--muted);
}

.tldr {
  margin-top: -2rem;
}

.tldr-card {
  border: 1px solid rgba(15, 107, 88, 0.25);
  border-radius: 1.4rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(251, 240, 211, 0.86));
  box-shadow: var(--soft-shadow);
  color: #2c414e;
  font-size: clamp(1rem, 1.4vw, 1.2rem);
}

.claim-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.future-panel {
  padding-top: clamp(0.5rem, 2vw, 1rem);
}

.future-grid,
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.future-visual {
  overflow: hidden;
  margin: 0 0 1rem;
  border: 1px solid rgba(30, 95, 138, 0.16);
  border-radius: 1.35rem;
  background: #101820;
  box-shadow: var(--soft-shadow);
}

.future-visual img {
  display: block;
  width: 100%;
  background: #101820;
}

.future-visual figcaption {
  padding: 0.9rem 1rem 1rem;
  background: linear-gradient(180deg, #15232d, #0f1a21);
  color: #dbe8ee;
  font-weight: 720;
}

.future-card {
  position: relative;
  overflow: hidden;
  min-height: 13rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  background: rgba(255, 250, 240, 0.9);
  box-shadow: var(--soft-shadow);
}

.future-card::after {
  content: "";
  position: absolute;
  right: -3rem;
  bottom: -4rem;
  width: 12rem;
  height: 12rem;
  border-radius: 50%;
  opacity: 0.12;
}

.future-card.risky {
  border-top: 5px solid var(--amber);
}

.future-card.risky::after {
  background: var(--amber);
}

.future-card.robust {
  border-top: 5px solid var(--green);
}

.future-card.robust::after {
  background: var(--green);
}

.future-card.unsafe {
  border-top: 5px solid var(--rust);
}

.future-card.unsafe::after {
  background: var(--rust);
}

.future-number {
  display: inline-grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  margin-bottom: 1rem;
  border-radius: 999px;
  background: #fff;
  color: var(--blue-dark);
  font-family: var(--mono);
  font-weight: 900;
  box-shadow: inset 0 0 0 1px rgba(20, 32, 41, 0.12);
}

.future-card p {
  color: var(--muted);
}

.mini-bars {
  display: grid;
  gap: 0.5rem;
  margin-top: 1rem;
}

.mini-bars span {
  position: relative;
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  align-items: center;
  gap: 0.65rem;
  color: #465865;
  font-size: 0.82rem;
  font-weight: 850;
}

.mini-bars span::after {
  content: "";
  height: 0.58rem;
  border-radius: 999px;
  background:
    linear-gradient(90deg, currentColor var(--w), rgba(20, 32, 41, 0.1) var(--w));
}

.future-card.risky .mini-bars span {
  color: var(--amber);
}

.future-card.robust .mini-bars span {
  color: var(--green);
}

.future-card.unsafe .mini-bars span {
  color: var(--rust);
}

.section-copy p,
.section-head p,
.fact-list,
.release p,
.media-card figcaption {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: clamp(1.25rem, 4vw, 3.2rem);
  align-items: center;
  padding-top: clamp(1rem, 3vw, 2rem);
  padding-bottom: clamp(1rem, 3vw, 2rem);
}

.split.reverse {
  grid-template-columns: minmax(420px, 1.08fr) minmax(0, 0.92fr);
}

.split.reverse .section-copy {
  order: 2;
}

.section-copy p {
  font-size: 1.02rem;
}

.fact-list {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
}

.fact-list li + li {
  margin-top: 0.48rem;
}

.media-card {
  position: relative;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: rgba(255, 250, 240, 0.88);
  box-shadow: var(--soft-shadow);
}

.media-card.dark {
  background: #101820;
  border-color: rgba(255, 255, 255, 0.12);
}

.method-figure {
  padding-top: clamp(1.5rem, 4vw, 3rem);
}

.paper-figure {
  background: rgba(255, 255, 255, 0.82);
}

.paper-figure img {
  display: block;
  width: 100%;
  background: #fff;
}

.paper-figure figcaption {
  border-top: 1px solid rgba(30, 95, 138, 0.1);
}

.media-card:has(.preview-video) {
  cursor: zoom-in;
}

.media-card img,
.media-card video {
  display: block;
  width: 100%;
  background: #101820;
}

.media-card video {
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

.preview-video {
  filter: saturate(0.88) contrast(1.02);
  transition: filter 220ms ease, transform 260ms ease;
}

.media-card:hover .preview-video,
.media-card.is-previewing .preview-video {
  filter: saturate(1.08) contrast(1.06);
  transform: scale(1.015);
}

.media-card figcaption {
  padding: 0.75rem 0.85rem 0.85rem;
  background: rgba(255, 250, 240, 0.92);
  font-size: 0.95rem;
  font-weight: 680;
  line-height: 1.35;
}

.media-card.dark figcaption {
  background: #111d25;
  color: #d9e6ed;
}

.media-card.dark figcaption strong {
  color: #f4fbfb;
}

.video-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: rgba(5, 10, 14, 0.78);
  backdrop-filter: blur(18px);
}

.video-modal[hidden] {
  display: none;
}

.video-modal__panel {
  position: relative;
  width: min(1120px, 94vw);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 1.25rem;
  background: #101820;
  box-shadow: 0 34px 110px rgba(0, 0, 0, 0.45);
}

.video-modal__panel video {
  display: block;
  width: 100%;
  max-height: 76vh;
  background: #05080b;
}

.video-modal__caption {
  padding: 1rem 1.1rem;
  color: #e8f3f3;
  font-weight: 760;
}

.video-modal__close {
  position: absolute;
  z-index: 2;
  top: 0.72rem;
  right: 0.72rem;
  width: 2.35rem;
  height: 2.35rem;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: #10202a;
  cursor: pointer;
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1;
}

.video-modal__close:hover {
  background: #fff;
}

.demo-band {
  max-width: min(1480px, calc(100% - 2rem));
  padding: clamp(1.1rem, 2.4vw, 1.8rem);
  border-radius: 2rem;
  background:
    linear-gradient(135deg, rgba(17, 54, 79, 0.95), rgba(7, 62, 54, 0.92)),
    radial-gradient(circle at 30% 20%, rgba(192, 128, 33, 0.24), transparent 26rem);
  color: #edf8f7;
}

.demo-band .eyebrow,
.demo-band .section-head p {
  color: #cce7df;
}

.demo-band .section-head {
  max-width: 560px;
  margin-bottom: 0.75rem;
}

.demo-band h2 {
  margin-bottom: 0.25rem;
  font-size: clamp(1.65rem, 2.8vw, 2.8rem);
}

.demo-band .section-head .eyebrow {
  margin-bottom: 0.42rem;
}

.demo-band .section-head p:not(.eyebrow) {
  font-size: 0.95rem;
}

.demo-band .media-card {
  border-radius: 1.45rem;
}

.demo-band .media-card figcaption {
  padding: 0.78rem 0.95rem 0.92rem;
  font-size: 1.02rem;
  line-height: 1.35;
}

.demo-band .media-card figcaption strong {
  display: block;
  margin-bottom: 0.05rem;
}

.section-head {
  max-width: 780px;
  margin-bottom: 1.2rem;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.media-grid {
  display: grid;
  gap: 1rem;
}

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

.media-grid.four {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.35rem);
}

.result-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 1.2rem;
}

.result-strip div {
  padding: 0.85rem;
  border: 1px solid rgba(15, 107, 88, 0.2);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.74);
}

.metric {
  display: block;
  color: var(--green-dark);
  font-family: var(--mono);
  font-size: 1.25rem;
  font-weight: 900;
}

.label {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 760;
}

.gallery {
  padding-top: clamp(1rem, 3vw, 2rem);
}

.release {
  display: grid;
  grid-template-columns: minmax(0, 0.45fr) minmax(0, 1fr);
  gap: clamp(1rem, 4vw, 3rem);
  align-items: start;
  padding-top: clamp(1.5rem, 4vw, 3rem);
}

.verticals {
  padding-top: clamp(1.5rem, 4vw, 3rem);
}

.vertical-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.vertical-card {
  min-height: 18rem;
  padding: clamp(1.2rem, 3vw, 1.75rem);
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  background: rgba(255, 250, 240, 0.9);
  box-shadow: var(--soft-shadow);
}

.vertical-card.live {
  border-top: 5px solid var(--green);
}

.vertical-card.next-up {
  border-top: 5px solid var(--amber);
}

.status {
  display: inline-flex;
  margin-bottom: 1rem;
  padding: 0.28rem 0.62rem;
  border-radius: 999px;
  background: rgba(20, 32, 41, 0.08);
  color: var(--blue-dark);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.vertical-card p {
  color: var(--muted);
}

.release-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.release article {
  min-height: 10rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(255, 250, 240, 0.86);
  box-shadow: var(--soft-shadow);
}

.citation {
  padding-bottom: clamp(2rem, 6vw, 5rem);
}

pre {
  overflow: auto;
  margin: 0;
  padding: 1.1rem;
  border-radius: 1rem;
  background: #101820;
  color: #eaf6f5;
  box-shadow: var(--soft-shadow);
}

code {
  font-family: var(--mono);
  font-size: 0.9rem;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  max-width: 1240px;
  margin: 0 auto;
  padding: 1.4rem clamp(1rem, 4vw, 2rem) 2.2rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer a {
  color: var(--green-dark);
  font-weight: 850;
  text-decoration: none;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.media-card,
.tldr-card,
.release article,
.result-card,
.vertical-card,
.future-card {
  animation: rise-in 520ms ease both;
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
  }

  .hero-shell,
  .split,
  .split.reverse,
  .release {
    grid-template-columns: 1fr;
  }

  .split.reverse .section-copy {
    order: 0;
  }

  .future-grid,
  .media-grid.three,
  .media-grid.four,
  .release-grid,
  .result-card-grid,
  .vertical-grid {
    grid-template-columns: 1fr;
  }

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

  .nav {
    justify-content: flex-start;
    margin-bottom: 2.4rem;
  }

  .hero-media {
    border-radius: 1.15rem;
  }
}

@media (max-width: 560px) {
  .hero {
    padding-left: 0.9rem;
    padding-right: 0.9rem;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(2rem, 10.5vw, 3rem);
  }

  .button {
    width: 100%;
    justify-content: center;
  }

  .author-line {
    display: block;
  }

  .author-line span {
    display: block;
  }

  .author-line span:not(:last-child)::after {
    content: "";
    margin: 0;
  }
}