:root {
  --bg: #0b0f13;
  --bg-soft: #101720;
  --panel: rgba(18, 25, 35, 0.66);
  --panel-strong: rgba(16, 22, 31, 0.88);
  --border: rgba(163, 190, 214, 0.18);
  --text: #f3efe2;
  --muted: #aeb7c1;
  --silver: #c9d0d7;
  --blue: #82d4ff;
  --blue-strong: #41baf8;
  --blue-soft: rgba(130, 212, 255, 0.22);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max-width: 1220px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(65, 186, 248, 0.14), transparent 32%),
    radial-gradient(circle at 85% 10%, rgba(130, 212, 255, 0.12), transparent 24%),
    linear-gradient(180deg, #06080b 0%, #0b0f13 28%, #0d1218 100%);
}

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

.page-shell {
  position: relative;
  overflow: clip;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(calc(100% - 40px), var(--max-width));
  margin: 10px auto 0;
  padding: 14px 18px;
  border: 1px solid rgba(201, 208, 215, 0.08);
  border-radius: 999px;
  background: rgba(7, 10, 14, 0.64);
  backdrop-filter: blur(18px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.16);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand__mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, #c4f1ff 0%, rgba(196, 241, 255, 0.1) 34%, transparent 36%),
    linear-gradient(135deg, rgba(130, 212, 255, 0.7), rgba(65, 186, 248, 0.1));
  box-shadow: inset 0 0 18px rgba(130, 212, 255, 0.38);
}

.brand__text {
  color: var(--silver);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.92rem;
  color: rgba(243, 239, 226, 0.82);
}

.site-nav a {
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--blue);
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

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

.hero {
  position: relative;
  min-height: 82svh;
  padding: 108px 0 28px;
  display: grid;
  align-items: center;
}

.hero__media {
  position: absolute;
  inset: 62px 0 72px;
  border: 1px solid rgba(130, 212, 255, 0.12);
  border-radius: 40px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(8, 12, 17, 0.76), rgba(11, 15, 19, 0.92)),
    linear-gradient(135deg, rgba(130, 212, 255, 0.1), rgba(130, 212, 255, 0.02));
  box-shadow: var(--shadow);
}

#spectrogramCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.hero__glow {
  position: absolute;
  width: 34vw;
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
}

.hero__glow--left {
  top: 12%;
  left: -10%;
  background: rgba(52, 139, 204, 0.22);
}

.hero__glow--right {
  right: -12%;
  bottom: 8%;
  background: rgba(110, 224, 255, 0.16);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  padding: 28px 0 0 44px;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-weight: 400;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(4rem, 11vw, 7.5rem);
  line-height: 0.94;
}

h2 {
  max-width: 780px;
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 1;
}

h3 {
  font-size: 1.8rem;
  line-height: 1.05;
}

.hero__tagline {
  margin: 18px 0 18px;
  font-size: clamp(1.15rem, 2.2vw, 1.6rem);
  color: var(--silver);
}

.hero__copy,
.section__lead,
.about-card p,
.team-card p,
.login-card p {
  margin: 0;
  font-size: 1.04rem;
  line-height: 1.72;
  color: var(--muted);
}

.hero__copy {
  max-width: 560px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button--primary {
  color: #081019;
  background: linear-gradient(135deg, #daf7ff, #67cfff 58%, #37b2f0);
  box-shadow: 0 18px 36px rgba(65, 186, 248, 0.24);
}

.button--secondary {
  border-color: rgba(130, 212, 255, 0.28);
  color: var(--text);
  background: rgba(130, 212, 255, 0.06);
}

.section {
  padding: 24px 0 0;
}

.section:last-child {
  padding-bottom: 120px;
}

.section__intro {
  display: grid;
  gap: 16px;
  margin-bottom: 36px;
}

.section__intro--narrow {
  max-width: 760px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 20px;
}

.about-card,
.team-card,
.login-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(17, 24, 33, 0.86), rgba(9, 13, 18, 0.96)),
    rgba(17, 24, 33, 0.82);
  box-shadow: var(--shadow);
}

.about-card {
  min-height: 260px;
  padding: 30px;
}

.about-card--feature {
  background:
    radial-gradient(circle at top left, rgba(130, 212, 255, 0.16), transparent 42%),
    linear-gradient(180deg, rgba(17, 24, 33, 0.92), rgba(9, 13, 18, 0.98));
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.team-card {
  padding: 24px;
}

.team-card__portrait {
  width: min(100%, 300px);
  aspect-ratio: 723 / 786;
  border-radius: 24px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  margin-left: auto;
  margin-right: auto;
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.team-card__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.team-card__portrait--elise img {
  object-position: center 32%;
}

.team-card__portrait--elise {
  background: linear-gradient(160deg, #19313f 0%, #5d8ca5 52%, #0e1218 100%);
}

.team-card__portrait--charles img {
  object-fit: contain;
  object-position: center bottom;
  background: #0b1116;
}

.team-card__portrait--charles {
  width: min(100%, 300px);
  aspect-ratio: 723 / 786;
}

.team-card__portrait span {
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-size: 3.6rem;
  color: rgba(255, 255, 255, 0.88);
}

.team-card__portrait--charles {
  background: linear-gradient(160deg, #121923 0%, #36516a 44%, #081019 100%);
}

.team-card__portrait--richard {
  background: linear-gradient(160deg, #16242a 0%, #456677 48%, #0a1116 100%);
}

.team-card__portrait--richard img {
  object-fit: cover;
  object-position: center 18%;
}

.team-card__content {
  display: grid;
  gap: 14px;
}

.team-card__role,
.login-card__label {
  color: var(--blue);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.login-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.login-card {
  padding: 32px;
  display: grid;
  gap: 18px;
}

.login-card__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.login-inline-link {
  color: var(--silver);
  font-size: 0.92rem;
  border-bottom: 1px solid rgba(201, 208, 215, 0.28);
}

.login-card--investor {
  background:
    radial-gradient(circle at top right, rgba(130, 212, 255, 0.14), transparent 34%),
    linear-gradient(180deg, rgba(17, 24, 33, 0.86), rgba(9, 13, 18, 0.96));
}

.variant-wave .hero--audio {
  min-height: 82svh;
  align-items: end;
}

.variant-wave-fade .hero--audio::before {
  content: "";
  position: absolute;
  inset: 36px -24px 38px;
  border-radius: 56px;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 12%, rgba(80, 137, 163, 0.18), transparent 48%),
    radial-gradient(circle at 50% 100%, rgba(24, 39, 40, 0.72), transparent 62%),
    linear-gradient(180deg, rgba(17, 28, 33, 0.1), rgba(17, 28, 33, 0.52));
  filter: blur(26px);
  opacity: 0.9;
  z-index: 0;
}

.variant-wave .hero__media--audio {
  inset: 62px 0 72px;
  border-color: transparent;
  background: #020507;
}

.variant-wave-border .hero__media--audio {
  border-color: rgba(130, 212, 255, 0.24);
  box-shadow:
    inset 0 0 0 1px rgba(130, 212, 255, 0.08),
    0 0 0 1px rgba(130, 212, 255, 0.06),
    var(--shadow);
}

.variant-wave-fade .hero__media--audio {
  overflow: hidden;
}

.variant-wave-fade .hero__media--audio::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    radial-gradient(circle at top left, rgba(20, 36, 43, 0.42), transparent 22%),
    radial-gradient(circle at top right, rgba(20, 36, 43, 0.42), transparent 22%),
    radial-gradient(circle at bottom left, rgba(16, 28, 32, 0.44), transparent 24%),
    radial-gradient(circle at bottom right, rgba(16, 28, 32, 0.44), transparent 24%),
    linear-gradient(180deg, rgba(14, 26, 31, 0.34), rgba(14, 26, 31, 0) 11%, rgba(14, 26, 31, 0) 89%, rgba(12, 22, 27, 0.38)),
    linear-gradient(90deg, rgba(12, 22, 27, 0.36), rgba(12, 22, 27, 0) 8%, rgba(12, 22, 27, 0) 92%, rgba(12, 22, 27, 0.36));
  opacity: 0.95;
}

.variant-wave-fade .hero__media--audio::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    radial-gradient(circle at center, rgba(130, 212, 255, 0) 66%, rgba(130, 212, 255, 0.045) 84%, rgba(130, 212, 255, 0.08) 100%);
  box-shadow:
    inset 0 0 0 1px rgba(130, 212, 255, 0.03),
    inset 0 0 26px rgba(6, 11, 14, 0.16),
    inset 0 0 64px rgba(6, 11, 14, 0.1);
}

.variant-wave-fade .hero__actions {
  display: none;
}

.variant-wave-softframe .hero--audio::before {
  content: "";
  position: absolute;
  inset: 30px -34px 32px;
  border-radius: 64px;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 12%, rgba(84, 143, 170, 0.28), transparent 46%),
    radial-gradient(circle at 50% 88%, rgba(22, 38, 42, 0.84), transparent 58%),
    linear-gradient(180deg, rgba(19, 32, 38, 0.06), rgba(19, 32, 38, 0.56));
  filter: blur(34px);
  opacity: 0.95;
  z-index: 0;
}

.variant-wave-softframe .hero__media--audio {
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 36%, rgba(18, 30, 36, 0.62), rgba(2, 5, 7, 0.98) 74%),
    #020507;
}

.variant-wave-softframe .hero__media--audio::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    radial-gradient(circle at top left, rgba(38, 63, 74, 0.48), transparent 32%),
    radial-gradient(circle at top right, rgba(38, 63, 74, 0.48), transparent 32%),
    radial-gradient(circle at bottom left, rgba(22, 37, 43, 0.58), transparent 36%),
    radial-gradient(circle at bottom right, rgba(22, 37, 43, 0.58), transparent 36%),
    linear-gradient(180deg, rgba(14, 24, 29, 0.68), rgba(14, 24, 29, 0.24) 18%, rgba(14, 24, 29, 0.08) 44%, rgba(14, 24, 29, 0.08) 56%, rgba(14, 24, 29, 0.24) 82%, rgba(14, 24, 29, 0.68)),
    linear-gradient(90deg, rgba(14, 24, 29, 0.74), rgba(14, 24, 29, 0.28) 16%, rgba(14, 24, 29, 0.06) 34%, rgba(14, 24, 29, 0.06) 66%, rgba(14, 24, 29, 0.28) 84%, rgba(14, 24, 29, 0.74));
  opacity: 1;
}

.variant-wave-softframe .hero__media--audio::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 50%, rgba(0, 0, 0, 0) 58%, rgba(7, 12, 14, 0.14) 76%, rgba(7, 12, 14, 0.3) 100%),
    linear-gradient(180deg, rgba(8, 13, 16, 0.22), rgba(8, 13, 16, 0) 20%, rgba(8, 13, 16, 0) 80%, rgba(8, 13, 16, 0.3)),
    linear-gradient(90deg, rgba(8, 13, 16, 0.34), rgba(8, 13, 16, 0.12) 18%, rgba(8, 13, 16, 0) 32%, rgba(8, 13, 16, 0) 68%, rgba(8, 13, 16, 0.12) 82%, rgba(8, 13, 16, 0.34));
  opacity: 0.98;
}

.variant-wave-softframe .hero__actions {
  display: none;
}

.variant-wave #audioWaveCanvas {
  width: 100%;
  height: 100%;
  display: block;
}

.variant-wave .hero__content--audio {
  max-width: 720px;
  align-self: end;
  padding-top: 0;
  padding-bottom: 96px;
}

.variant-wave .hero__content--audio h1 {
  color: var(--text);
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-size: clamp(4.4rem, 9vw, 8.2rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 0.9;
  text-transform: none;
}

.variant-wave .hero__content--audio .hero__tagline {
  color: rgba(243, 239, 226, 0.86);
}

.variant-wave .hero__content--audio .hero__copy {
  color: rgba(201, 208, 215, 0.82);
}

.variant-wave .hero__content--audio .button--secondary {
  border-color: rgba(130, 212, 255, 0.28);
  color: var(--text);
  background: rgba(130, 212, 255, 0.06);
}

@media (max-width: 1080px) {
  .about-grid,
  .team-grid,
  .login-grid {
    grid-template-columns: 1fr;
  }

  .hero__content {
    padding-left: 28px;
    padding-right: 28px;
  }
}

@media (max-width: 720px) {
  .site-header {
    width: min(calc(100% - 24px), var(--max-width));
    margin-top: 8px;
    padding: 14px 16px;
    border-radius: 28px;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 14px 18px;
  }

  .hero,
  .section {
    width: min(calc(100% - 24px), var(--max-width));
  }

  .hero {
    min-height: auto;
    padding: 96px 0 20px;
  }

  .hero__media {
    inset: 58px 0 56px;
    border-radius: 28px;
  }

  .hero__content {
    padding: 18px 18px 24px;
  }

  .about-card,
  .team-card,
  .login-card {
    border-radius: 24px;
  }

  .team-card__portrait {
    height: 240px;
  }

  .button {
    width: 100%;
  }

  .variant-wave .hero__content--audio {
    align-self: end;
    padding-top: 0;
    padding-bottom: 28px;
  }

  .variant-wave .hero__content--audio h1 {
    font-size: clamp(3rem, 13vw, 5rem);
    letter-spacing: -0.03em;
  }
}

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

  .button,
  .site-nav a::after {
    transition: none;
  }
}