:root {
  --black: #07040a;
  --ink: #ffffff;
  --muted: rgba(255, 255, 255, 0.72);
  --line: rgba(255, 255, 255, 0.12);
  --panel: rgba(255, 255, 255, 0.045);
  --magenta: #ff2fb3;
  --soft-magenta: #ff7bd2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

.site-header {
  position: fixed;
  z-index: 10;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 17px clamp(20px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 4, 10, 0.82);
  backdrop-filter: blur(12px);
}

.brand {
  font-weight: 800;
}

.nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav a:hover,
.section-heading a:hover,
.footer a:hover {
  color: #fff;
}

.header-action,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid rgba(255, 47, 179, 0.72);
  font-weight: 800;
}

.header-action:hover,
.button.primary,
.magenta-band {
  background: var(--magenta);
  color: var(--black);
}

.button.primary:hover {
  background: #fff;
}

.button.secondary:hover {
  border-color: #fff;
}

.hero {
  min-height: 86vh;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  align-items: end;
  gap: clamp(28px, 5vw, 64px);
  padding: 130px clamp(20px, 5vw, 56px) 58px;
  background:
    linear-gradient(90deg, rgba(7, 4, 10, 0.96) 0%, rgba(24, 0, 20, 0.88) 42%, rgba(255, 47, 179, 0.26) 100%),
    url("/assets/elan-hero.png") center / cover no-repeat;
}

.hero-copy {
  max-width: 800px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--soft-magenta);
  font-size: 0.88rem;
  font-weight: 850;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 28px;
  font-size: clamp(4.2rem, 9vw, 7.9rem);
  line-height: 0.94;
  font-weight: 950;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2.35rem, 5vw, 4.6rem);
  line-height: 1.02;
  font-weight: 950;
}

h3 {
  margin-bottom: 16px;
  font-size: 1.7rem;
  line-height: 1.15;
}

.hero-text {
  max-width: 670px;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1.12rem, 2.2vw, 1.35rem);
  line-height: 1.6;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.partner-panel {
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.48);
  padding: 26px;
  backdrop-filter: blur(12px);
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.partner-grid div,
.card-grid article,
.target-card,
.demo-grid strong,
.detail-card {
  border: 1px solid var(--line);
  background: var(--panel);
}

.partner-grid div {
  padding: 20px;
}

.partner-grid strong {
  display: block;
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.partner-grid span,
.partner-panel p,
.section-grid p,
.card-grid p,
.detail-card p {
  color: var(--muted);
  line-height: 1.7;
}

.intro-band,
.detail-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #120614;
  padding: 52px clamp(20px, 5vw, 56px);
}

.section,
.detail-section {
  padding: 66px clamp(20px, 5vw, 56px);
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: clamp(28px, 5vw, 68px);
  max-width: 1220px;
  margin: 0 auto;
}

.card-grid {
  display: grid;
  gap: 14px;
  max-width: 1220px;
  margin: 0 auto;
}

.card-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card-grid.five {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.card-grid article,
.target-card {
  padding: 24px;
}

.target-card span {
  color: var(--soft-magenta);
  font-size: 0.86rem;
  font-weight: 800;
}

.target-card:hover {
  border-color: var(--magenta);
}

.magenta-band {
  padding: 58px clamp(20px, 5vw, 56px);
}

.lab-button {
  border-color: var(--magenta);
  background: rgba(0, 0, 0, 0.42);
}

.lab-band {
  padding: 66px clamp(20px, 5vw, 56px);
  border-top: 1px solid rgba(255, 47, 179, 0.3);
  border-bottom: 1px solid rgba(255, 47, 179, 0.3);
  background:
    linear-gradient(90deg, rgba(255, 47, 179, 0.12) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 47, 179, 0.08) 1px, transparent 1px),
    #050308;
  background-size: 44px 44px;
}

.lab-teaser {
  border: 1px solid rgba(255, 47, 179, 0.5);
  background: rgba(255, 47, 179, 0.1);
  padding: 28px;
}

.lab-teaser p {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.75;
}

.label-dark {
  font-weight: 950;
  text-transform: uppercase;
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.demo-grid strong {
  border-color: rgba(7, 4, 10, 0.22);
  background: rgba(255, 255, 255, 0.72);
  padding: 22px;
  font-size: 1.2rem;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  max-width: 1220px;
  margin: 0 auto 34px;
}

.section-heading a {
  color: var(--soft-magenta);
  font-weight: 800;
}

.detail-hero {
  padding: 140px clamp(20px, 5vw, 56px) 66px;
  background:
    linear-gradient(90deg, rgba(7, 4, 10, 0.98) 0%, rgba(19, 5, 23, 0.93) 52%, rgba(255, 47, 179, 0.30) 100%),
    url("/assets/elan-hero.png") center / cover no-repeat;
}

.lab-hero {
  position: relative;
  overflow: hidden;
  padding: 138px clamp(20px, 5vw, 56px) 70px;
  background:
    linear-gradient(90deg, rgba(255, 47, 179, 0.18) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 47, 179, 0.11) 1px, transparent 1px),
    radial-gradient(circle at 72% 28%, rgba(255, 47, 179, 0.28), transparent 34%),
    #050308;
  background-size: 46px 46px, 46px 46px, auto, auto;
}

.lab-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  max-width: 1220px;
  margin: 0 auto;
}

.lab-hero h1 {
  margin-bottom: 26px;
}

.player-card {
  border: 1px solid rgba(255, 47, 179, 0.45);
  background: rgba(0, 0, 0, 0.72);
  padding: 28px;
  box-shadow: 0 0 60px rgba(255, 47, 179, 0.24);
}

.login-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0;
}

.login-grid div,
.mission-grid strong {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  padding: 20px;
}

.login-grid span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.9rem;
}

.login-grid strong {
  display: block;
  margin-top: 8px;
  font-size: 1.65rem;
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.detail-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 5vw, 68px);
  max-width: 1220px;
  margin: 0 auto;
}

.detail-title {
  border-left: 4px solid var(--magenta);
  padding-left: 24px;
}

.detail-title p {
  margin-top: 24px;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.75;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  max-width: 1220px;
  margin: 0 auto;
}

.detail-card {
  padding: 24px;
}

.detail-card span {
  color: var(--soft-magenta);
  font-size: 0.86rem;
  font-weight: 950;
}

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1220px;
  margin: 0 auto;
  border: 1px solid rgba(255, 47, 179, 0.42);
  background: rgba(255, 47, 179, 0.1);
  padding: 28px;
}

.cta p {
  max-width: 720px;
  color: var(--muted);
  line-height: 1.7;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 30px clamp(20px, 5vw, 56px);
  border-top: 1px solid var(--line);
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.92rem;
}

.footer div {
  display: flex;
  gap: 20px;
}

@media (max-width: 980px) {
  .nav {
    display: none;
  }

  .hero,
  .section-grid,
  .detail-hero-inner,
  .lab-hero-inner {
    grid-template-columns: 1fr;
  }

  .card-grid.three,
  .card-grid.five,
  .detail-grid,
  .mission-grid {
    grid-template-columns: 1fr;
  }

  .partner-panel {
    max-width: 680px;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: absolute;
  }

  .header-action {
    display: none;
  }

  h1 {
    font-size: clamp(3.5rem, 17vw, 5.4rem);
  }

  .partner-grid,
  .demo-grid,
  .login-grid {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .cta,
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}