:root {
  --black: #030303;
  --white: #f8f8f4;
  --muted: rgba(248, 248, 244, 0.7);
  --line: rgba(255, 255, 255, 0.14);
  --panel: rgba(255, 255, 255, 0.045);
  --red: #f31822;
  --red-deep: #990f16;
  --gold: #d8b56d;
  --display: "Poppins", Arial, sans-serif;
  --sans: "Inter", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--black);
}

body {
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 72% 0%, rgba(243, 24, 34, 0.12), transparent 28%),
    var(--black);
  color: var(--white);
  font-family: var(--sans);
}

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

.level-header {
  position: sticky;
  top: 16px;
  z-index: 10;
  width: min(1120px, calc(100% - 32px));
  min-height: 66px;
  margin: 16px auto 0;
  padding: 10px 14px 10px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  background: rgba(5, 5, 5, 0.72);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(18px);
}

.level-brand img {
  width: clamp(120px, 14vw, 174px);
  display: block;
}

.back-link {
  min-height: 42px;
  padding: 0 15px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  color: rgba(248, 248, 244, 0.78);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

main {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.level-hero {
  min-height: 510px;
  padding: 104px 0 66px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 58px;
  align-items: center;
}

.eyebrow,
.section-title > span,
.level-cta > span,
.case-story > span {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--red);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  font-family: var(--display);
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(48px, 7vw, 88px);
  line-height: 0.96;
}

.level-hero-copy > p {
  max-width: 720px;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.6;
}

.level-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.level-tags span {
  padding: 9px 12px;
  border: 1px solid rgba(216, 181, 109, 0.26);
  border-radius: 12px;
  background: rgba(216, 181, 109, 0.07);
  color: rgba(255, 245, 220, 0.9);
  font-size: 12px;
  font-weight: 700;
}

.level-summary {
  padding: 26px;
  border: 1px solid rgba(243, 24, 34, 0.3);
  border-radius: 20px;
  background:
    radial-gradient(circle at 18% 0%, rgba(243, 24, 34, 0.17), transparent 38%),
    rgba(255, 255, 255, 0.045);
}

.level-summary span {
  color: var(--gold);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.level-summary strong {
  margin: 28px 0 12px;
  display: block;
  font-family: var(--display);
  font-size: 29px;
  line-height: 1.05;
}

.level-summary p,
.section-title p,
.case-story p {
  color: var(--muted);
  line-height: 1.65;
}

.level-section {
  padding: 68px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.section-title {
  max-width: 900px;
  margin: 0 auto 30px;
  text-align: center;
}

.section-title h2,
.level-cta h2 {
  margin-bottom: 0;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.04;
}

.section-title p {
  max-width: 760px;
  margin: 17px auto 0;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.spec-card {
  min-height: 180px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
}

.spec-card span {
  color: var(--gold);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.spec-card h3 {
  margin: 42px 0 10px;
  font-size: 26px;
  line-height: 1.05;
}

.spec-card p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.5;
}

.case-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 14px;
}

.case-main,
.case-support a {
  position: relative;
  overflow: hidden;
  display: block;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #101010;
}

.case-main img,
.case-support img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.case-main {
  min-height: 560px;
}

.case-main img {
  object-position: center 44%;
}

.case-main span {
  position: absolute;
  left: 18px;
  bottom: 18px;
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 11px;
  background: rgba(3, 3, 3, 0.72);
  font-size: 12px;
  font-weight: 700;
  backdrop-filter: blur(10px);
}

.case-support {
  display: grid;
  gap: 14px;
}

.case-support a {
  min-height: 273px;
}

.case-support img {
  object-position: top center;
}

.case-story {
  max-width: 900px;
  margin: 22px auto 0;
  padding: 26px;
  border: 1px solid rgba(216, 181, 109, 0.24);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(216, 181, 109, 0.08), rgba(255, 255, 255, 0.025)),
    var(--panel);
}

.case-story h3 {
  margin-bottom: 15px;
  font-size: clamp(28px, 3.5vw, 44px);
  line-height: 1.05;
}

.case-story p:last-child {
  margin-bottom: 0;
}

.n9-media-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  gap: 14px;
  align-items: stretch;
}

.n9-media {
  position: relative;
  min-width: 0;
  min-height: 560px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #0d0d0d;
}

.n9-media img,
.n9-media video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.n9-photo img {
  object-position: center;
}

.n9-video video {
  object-position: center;
}

.n9-media figcaption {
  position: absolute;
  right: 16px;
  bottom: 16px;
  left: 16px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 11px;
  background: rgba(3, 3, 3, 0.78);
  color: rgba(248, 248, 244, 0.86);
  font-size: 12px;
  font-weight: 700;
  backdrop-filter: blur(10px);
}

.video-case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.video-case {
  position: relative;
  aspect-ratio: 16 / 10;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #0d0d0d;
}

.video-case video,
.video-case iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  object-fit: contain;
  background: #000;
}

.video-case figcaption {
  position: absolute;
  right: 16px;
  bottom: 16px;
  left: 16px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 11px;
  background: rgba(3, 3, 3, 0.78);
  color: rgba(248, 248, 244, 0.86);
  font-size: 12px;
  font-weight: 700;
  pointer-events: none;
  backdrop-filter: blur(10px);
}

.double-case-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 14px;
}

.double-case-media {
  position: relative;
  min-width: 0;
  min-height: 540px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #0d0d0d;
}

.double-case-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.double-case-wide img {
  object-position: center;
}

.double-case-detail img {
  object-position: center 42%;
}

.double-case-media figcaption {
  position: absolute;
  right: 16px;
  bottom: 16px;
  left: 16px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 11px;
  background: rgba(3, 3, 3, 0.78);
  color: rgba(248, 248, 244, 0.86);
  font-size: 12px;
  font-weight: 700;
  backdrop-filter: blur(10px);
}

.optional-video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.optional-demo {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.02)),
    #090909;
}

.optional-video {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #000;
}

.optional-video video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #000;
}

.optional-copy {
  padding: 24px;
}

.optional-copy > span {
  color: var(--red);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.optional-copy h3 {
  margin: 14px 0 12px;
  font-size: clamp(25px, 3vw, 35px);
  line-height: 1.08;
}

.optional-copy p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.6;
}

.level-cta {
  margin-bottom: 60px;
  padding: 48px;
  border: 1px solid rgba(243, 24, 34, 0.32);
  border-radius: 24px;
  background:
    radial-gradient(circle at 18% 0%, rgba(243, 24, 34, 0.16), transparent 34%),
    rgba(255, 255, 255, 0.045);
  text-align: center;
}

.level-cta h2 {
  max-width: 860px;
  margin: 0 auto 28px;
}

.level-cta a {
  min-height: 66px;
  padding: 10px 20px 10px 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(243, 24, 34, 0.96), rgba(130, 12, 18, 0.94));
  box-shadow: 0 18px 45px rgba(243, 24, 34, 0.2);
  text-align: left;
}

.level-cta a span {
  display: grid;
  gap: 5px;
}

.level-cta a strong {
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.level-cta a small {
  color: rgba(255, 255, 255, 0.76);
}

.level-cta a b {
  font-size: 16px;
}

@media (max-width: 820px) {
  .level-hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .level-summary {
    max-width: 560px;
  }

  .spec-grid,
  .case-layout,
  .n9-media-grid,
  .video-case-grid,
  .double-case-grid,
  .optional-video-grid {
    grid-template-columns: 1fr;
  }

  .case-main {
    min-height: 440px;
  }

  .n9-media {
    min-height: 520px;
  }

  .double-case-media {
    min-height: 480px;
  }

  .case-support {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .level-header {
    top: 10px;
    width: calc(100% - 20px);
    min-height: 58px;
    margin-top: 10px;
    padding: 8px 10px 8px 14px;
    border-radius: 18px;
  }

  .level-brand img {
    width: 112px;
  }

  .back-link {
    min-height: 40px;
    padding: 0 11px;
    font-size: 10px;
  }

  main {
    width: calc(100% - 28px);
  }

  .level-hero {
    padding: 72px 0 48px;
  }

  h1 {
    font-size: clamp(44px, 14vw, 66px);
  }

  .level-section {
    padding: 50px 0;
  }

  .section-title h2,
  .level-cta h2 {
    font-size: clamp(34px, 10vw, 48px);
  }

  .spec-card {
    min-height: auto;
  }

  .spec-card h3 {
    margin-top: 28px;
  }

  .case-main {
    min-height: 320px;
  }

  .n9-media {
    min-height: 420px;
  }

  .video-case {
    aspect-ratio: 9 / 12;
  }

  .double-case-media {
    min-height: 390px;
  }

  .double-case-detail {
    min-height: 500px;
  }

  .optional-video {
    aspect-ratio: 9 / 12;
  }

  .optional-copy {
    padding: 20px;
  }

  .case-support {
    grid-template-columns: 1fr;
  }

  .case-support a {
    min-height: 430px;
  }

  .case-story {
    padding: 20px;
  }

  .level-cta {
    margin-bottom: 28px;
    padding: 30px 20px;
  }

  .level-cta a {
    width: 100%;
  }
}