:root {
  color-scheme: light;
  --ink: #10202c;
  --muted: #536371;
  --paper: #fffaf2;
  --white: #ffffff;
  --aqua: #20b7b2;
  --aqua-dark: #087c82;
  --coral: #ff6b5f;
  --yellow: #f6c445;
  --lime: #88c943;
  --line: rgba(16, 32, 44, 0.14);
  --shadow: 0 24px 70px rgba(16, 32, 44, 0.16);
  --max: 1160px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

a {
  color: inherit;
}

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

.skip-link {
  left: 1rem;
  padding: 0.6rem 0.8rem;
  position: absolute;
  top: -4rem;
  z-index: 20;
  background: var(--ink);
  color: var(--white);
}

.skip-link:focus {
  top: 1rem;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(16, 32, 44, 0.78);
  backdrop-filter: blur(18px);
  color: var(--white);
}

.nav-inner {
  align-items: center;
  display: flex;
  gap: 1.5rem;
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--max);
  min-height: 64px;
  padding: 0 1.25rem;
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 0.7rem;
  font-weight: 800;
  letter-spacing: 0;
  text-decoration: none;
}

.brand-mark {
  align-items: center;
  background: linear-gradient(135deg, var(--yellow), var(--coral));
  border-radius: 8px;
  color: var(--ink);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 900;
  height: 36px;
  justify-content: center;
  width: 36px;
}

.nav-links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.nav-links a {
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.94rem;
  font-weight: 700;
  padding: 0.5rem 0.65rem;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  background: rgba(255, 255, 255, 0.14);
  color: var(--white);
  outline: none;
}

.hero {
  min-height: calc(100vh - 64px);
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: var(--white);
}

.hero-media {
  inset: 0;
  position: absolute;
  z-index: -2;
}

.hero-media img {
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.hero::after {
  background:
    linear-gradient(90deg, rgba(16, 32, 44, 0.95) 0%, rgba(16, 32, 44, 0.77) 42%, rgba(16, 32, 44, 0.16) 100%),
    linear-gradient(0deg, rgba(16, 32, 44, 0.88) 0%, rgba(16, 32, 44, 0) 38%);
  content: "";
  inset: 0;
  position: absolute;
  z-index: -1;
}

.hero-content {
  display: grid;
  gap: 2rem;
  margin: 0 auto;
  max-width: var(--max);
  min-height: calc(100vh - 64px);
  padding: clamp(5rem, 10vw, 8rem) 1.25rem 4rem;
  place-items: center start;
}

.hero-copy {
  max-width: 660px;
}

.eyebrow {
  color: var(--yellow);
  font-size: 0.85rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  letter-spacing: 0;
  line-height: 1.04;
  margin: 0;
}

h1 {
  font-size: clamp(2.8rem, 6.6vw, 5.6rem);
  line-height: 1.02;
  max-width: 700px;
}

h2 {
  font-size: clamp(2rem, 5vw, 4rem);
  max-width: 880px;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.8rem);
}

p {
  margin: 0;
}

.hero-lede {
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  margin-top: 1.4rem;
  max-width: 680px;
}

.hero-note {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
  font-weight: 750;
  margin-top: 1rem;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.7rem;
}

.button {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 7px;
  cursor: pointer;
  display: inline-flex;
  font-weight: 850;
  gap: 0.45rem;
  justify-content: center;
  min-height: 44px;
  padding: 0.75rem 1rem;
  text-decoration: none;
}

.button.primary {
  background: var(--yellow);
  color: var(--ink);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--white);
}

.button.ink {
  background: var(--ink);
  color: var(--white);
}

.hero-snapshot {
  align-self: end;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 780px;
  width: 100%;
}

.snap {
  border-left: 4px solid var(--yellow);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  padding: 0.9rem 1rem;
}

.snap strong {
  display: block;
  font-size: clamp(1.4rem, 4vw, 2.25rem);
  line-height: 1;
}

.snap span {
  color: rgba(255, 255, 255, 0.78);
  display: block;
  font-size: 0.88rem;
  margin-top: 0.4rem;
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 1.25rem;
}

.section.alt {
  background: var(--white);
}

.section.deep {
  background: var(--ink);
  color: var(--white);
}

.section-inner {
  margin: 0 auto;
  max-width: var(--max);
}

.section-head {
  align-items: end;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr);
  margin-bottom: 2rem;
}

.section-head p {
  color: var(--muted);
  font-size: 1.05rem;
}

.deep .section-head p,
.deep .muted {
  color: rgba(255, 255, 255, 0.76);
}

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

.video-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.video-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 45px rgba(16, 32, 44, 0.1);
  overflow: hidden;
}

.video-card video,
.video-poster {
  aspect-ratio: 16 / 9;
  background: var(--ink);
  display: block;
  width: 100%;
}

.video-poster {
  border: 0;
  cursor: pointer;
  padding: 0;
  position: relative;
}

.video-poster img {
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.play-icon {
  align-items: center;
  background: rgba(16, 32, 44, 0.82);
  border: 2px solid rgba(255, 255, 255, 0.85);
  border-radius: 999px;
  display: inline-flex;
  height: 68px;
  justify-content: center;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 68px;
}

.play-icon::before {
  border-bottom: 14px solid transparent;
  border-left: 22px solid var(--white);
  border-top: 14px solid transparent;
  content: "";
  margin-left: 5px;
}

.video-copy {
  padding: 1.25rem;
}

.video-copy p {
  color: var(--muted);
  margin-top: 0.75rem;
}

.media-note {
  font-size: 0.9rem;
  font-weight: 800;
}

.info-card,
.metric-card,
.resource-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.25rem;
}

.info-card strong,
.metric-card strong {
  color: var(--aqua-dark);
  display: block;
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  margin-bottom: 0.65rem;
  text-transform: uppercase;
}

.info-card p,
.resource-card p {
  color: var(--muted);
  margin-top: 0.75rem;
}

.story-grid,
.evidence-grid {
  align-items: center;
  display: grid;
  gap: clamp(1.5rem, 5vw, 3rem);
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
}

.feature-image {
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.feature-image img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
  width: 100%;
}

.step-list {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.step {
  align-items: start;
  display: grid;
  gap: 0.8rem;
  grid-template-columns: auto 1fr;
}

.step-number {
  align-items: center;
  background: var(--coral);
  border-radius: 8px;
  color: var(--white);
  display: inline-flex;
  font-weight: 900;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.step p {
  color: var(--muted);
  margin-top: 0.25rem;
}

.pipeline {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 2.2rem;
}

.pipeline-stage {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  min-height: 145px;
  padding: 1rem;
  position: relative;
}

.pipeline-stage::after {
  background: var(--yellow);
  content: "";
  height: 3px;
  position: absolute;
  right: -0.75rem;
  top: 2rem;
  width: 0.75rem;
}

.pipeline-stage:last-child::after {
  display: none;
}

.pipeline-stage strong {
  color: var(--yellow);
  display: block;
  font-size: 1.05rem;
  margin-bottom: 0.55rem;
}

.pipeline-stage span {
  color: rgba(255, 255, 255, 0.75);
  display: block;
  font-size: 0.94rem;
}

.metrics {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 1.8rem 0;
}

.metric-card {
  background: #f8fbfb;
}

.metric-card b {
  display: block;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1;
}

.metric-card p {
  color: var(--muted);
  margin-top: 0.55rem;
}

.plot-strip {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 2rem;
}

.plot-link {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
}

.plot-link img {
  aspect-ratio: 1.25 / 1;
  background: var(--white);
  object-fit: contain;
  padding: 0.7rem;
  width: 100%;
}

.plot-link span {
  border-top: 1px solid var(--line);
  display: block;
  font-weight: 800;
  padding: 0.85rem 1rem;
}

.infographic-panel {
  align-items: center;
  background:
    linear-gradient(90deg, rgba(255, 250, 242, 0.96), rgba(255, 250, 242, 0.82)),
    url("assets/site/aana-infographic-background.png") center / cover;
  border-radius: 8px;
  display: grid;
  gap: clamp(1.5rem, 5vw, 3rem);
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  padding: clamp(1rem, 3vw, 2rem);
}

.infographic-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.featured-infographic {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 1.25rem;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.6fr);
  margin-bottom: 1.25rem;
  overflow: hidden;
  padding: clamp(1rem, 3vw, 1.5rem);
}

.featured-infographic-image {
  background: #edf7fa;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.featured-infographic-image img {
  aspect-ratio: 16 / 9;
  object-fit: contain;
  width: 100%;
}

.featured-infographic-copy {
  align-self: center;
}

.featured-infographic-copy p:not(.eyebrow) {
  color: var(--muted);
  margin-top: 0.75rem;
}

.infographic-card {
  background:
    linear-gradient(90deg, rgba(255, 250, 242, 0.96), rgba(255, 250, 242, 0.84)),
    url("assets/site/aana-infographic-background.png") center / cover;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(1rem, 3vw, 1.5rem);
}

.infographic-preview {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.infographic-preview img {
  aspect-ratio: 2 / 3;
  object-fit: contain;
  width: 100%;
}

.infographic-card h3 {
  margin-top: 1.25rem;
}

.infographic-card p {
  color: var(--muted);
  margin-top: 0.7rem;
}

.share-link {
  color: var(--aqua-dark);
  display: inline-block;
  font-weight: 850;
  margin-top: 1rem;
  overflow-wrap: anywhere;
}

.slides-grid {
  align-items: center;
  display: grid;
  gap: clamp(1.5rem, 5vw, 3rem);
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
}

.download-meta {
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.download-meta span {
  background: #eef7f6;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 800;
  padding: 0.45rem 0.6rem;
}

.slides-preview {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  color: inherit;
  overflow: hidden;
  text-decoration: none;
}

.slides-preview img {
  aspect-ratio: 4 / 3;
  display: block;
  object-fit: cover;
  width: 100%;
}

.slides-preview span {
  border-top: 1px solid var(--line);
  display: block;
  font-weight: 900;
  padding: 1rem 1.25rem;
}

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

.paper-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 45px rgba(16, 32, 44, 0.1);
  overflow: hidden;
}

.paper-preview {
  background: #edf7fa;
  display: flex;
  height: 400px;
  overflow: hidden;
}

.paper-preview img {
  height: 100%;
  object-fit: contain;
  object-position: center;
  width: 100%;
}

.paper-copy {
  padding: 1.25rem;
}

.paper-copy p:not(.eyebrow) {
  color: var(--muted);
  margin-top: 0.75rem;
}

.demo-shell {
  background: #0c1720;
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.demo-top {
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  justify-content: space-between;
  padding: 0.8rem 1rem;
}

.lights {
  display: inline-flex;
  gap: 0.35rem;
}

.lights span {
  border-radius: 999px;
  display: block;
  height: 10px;
  width: 10px;
}

.lights span:nth-child(1) {
  background: var(--coral);
}

.lights span:nth-child(2) {
  background: var(--yellow);
}

.lights span:nth-child(3) {
  background: var(--aqua);
}

.demo-top b {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.82rem;
}

pre {
  color: #f4fbff;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: clamp(0.8rem, 2vw, 0.98rem);
  line-height: 1.65;
  margin: 0;
  overflow-x: auto;
  padding: 1.2rem;
}

.resource-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.resource-card {
  color: inherit;
  min-height: 190px;
  text-decoration: none;
}

.resource-card:hover,
.resource-card:focus-visible {
  border-color: var(--aqua);
  box-shadow: 0 14px 35px rgba(16, 32, 44, 0.1);
  outline: none;
}

.site-footer {
  background: #081119;
  color: rgba(255, 255, 255, 0.76);
  padding: 2rem 1.25rem;
}

.media-modal {
  background: transparent;
  border: 0;
  margin: auto;
  max-height: min(92vh, 980px);
  max-width: min(94vw, 1280px);
  padding: 0;
  width: 100%;
}

.media-modal::backdrop {
  background: rgba(8, 17, 25, 0.82);
  backdrop-filter: blur(4px);
}

.media-modal-inner {
  background: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.media-modal-bar {
  align-items: center;
  background: var(--ink);
  color: var(--white);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 0.75rem 1rem;
}

.media-modal-open,
.media-modal-close {
  border-radius: 6px;
  color: var(--white);
  font-size: 0.92rem;
  font-weight: 850;
}

.media-modal-open {
  text-decoration: none;
}

.media-modal-close {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  cursor: pointer;
  min-height: 38px;
  padding: 0.45rem 0.75rem;
}

.media-modal-body {
  background: #081119;
  display: grid;
  max-height: calc(92vh - 62px);
  min-height: 280px;
  overflow: auto;
  place-items: center;
}

.media-modal-body img,
.media-modal-body video {
  display: block;
  max-height: calc(92vh - 62px);
  max-width: 100%;
}

.media-modal-body iframe {
  border: 0;
  height: calc(92vh - 62px);
  min-height: 620px;
  width: 100%;
}

.footer-inner {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--max);
}

.footer-inner a {
  color: var(--white);
  font-weight: 800;
}

@media (max-width: 920px) {
  .nav-inner {
    align-items: start;
    flex-direction: column;
    gap: 0.5rem;
    padding-bottom: 0.75rem;
    padding-top: 0.75rem;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    min-height: 720px;
  }

  h1 {
    font-size: clamp(2.55rem, 8vw, 4.8rem);
    max-width: 640px;
  }

  .section-head,
  .story-grid,
  .evidence-grid,
  .infographic-panel,
  .featured-infographic,
  .slides-grid {
    grid-template-columns: 1fr;
  }

  .explain-grid,
  .video-grid,
  .metrics,
  .plot-strip,
  .resource-grid,
  .infographic-grid,
  .paper-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .pipeline-stage {
    min-height: auto;
  }

  .pipeline-stage::after {
    bottom: -0.75rem;
    height: 0.75rem;
    left: 2rem;
    right: auto;
    top: auto;
    width: 3px;
  }
}

@media (max-width: 620px) {
  .nav-links {
    width: 100%;
  }

  .nav-links a {
    flex: 1 1 auto;
    text-align: center;
  }

  .hero-content {
    min-height: 760px;
    padding-top: 4rem;
  }

  h1 {
    font-size: clamp(2.35rem, 11vw, 3.6rem);
  }

  .hero-snapshot,
  .explain-grid,
  .video-grid,
  .metrics,
  .plot-strip,
  .resource-grid,
  .infographic-grid,
  .paper-grid {
    grid-template-columns: 1fr;
  }

  .paper-preview {
    height: 300px;
  }

  .hero-actions,
  .section-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .footer-inner {
    align-items: start;
    flex-direction: column;
  }

  .media-modal-body iframe {
    min-height: 520px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .pipeline-stage,
  .info-card,
  .metric-card,
  .resource-card {
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
  }

  .info-card:hover,
  .metric-card:hover,
  .pipeline-stage:hover {
    transform: translateY(-3px);
  }
}