:root {
  --bg: #050816;
  --bg-soft: #0c142a;
  --panel: rgba(255, 255, 255, 0.05);
  --text: #f4f7ff;
  --muted: #9aa7c4;
  --accent: #78e3ff;
  --accent-2: #6b7cff;
  --border: rgba(255, 255, 255, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'IBM Plex Sans', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

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

.mono {
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0;
  text-transform: uppercase;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(3, 7, 18, 0.8);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  font-weight: 700;
  letter-spacing: 0;
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
}

.nav__logo-mark {
  color: var(--accent);
}

.nav__links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav__links a {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav__links a:hover {
  color: var(--text);
}

.nav__links.is-open {
  display: flex;
}

.nav__toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0.55rem;
  cursor: pointer;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 4px 0;
  transform-origin: center;
  transition: transform 220ms ease, opacity 180ms ease, background-color 220ms ease;
}

.hero {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 5rem 1.5rem;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(120, 227, 255, 0.16), transparent 28%),
    linear-gradient(135deg, #060a16 0%, #090f1f 100%);
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.35;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero__layout {
  position: relative;
  z-index: 1;
  width: min(1120px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 3rem;
  align-items: center;
}

.hero__eyebrow {
  color: var(--accent);
  margin-bottom: 1rem;
}

.hero__title {
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  line-height: 0.95;
  margin: 0 0 1rem;
  font-weight: 700;
}

.hero__title-line--accent {
  color: var(--accent);
  display: block;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 640px;
  margin: 0 0 1.8rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.hero__portrait {
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
}

.hero__portrait img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 0.5rem;
}

.hero__portrait-caption {
  padding-top: 0.9rem;
}

.hero__portrait-caption span {
  display: block;
  color: var(--accent);
  font-size: 0.72rem;
  margin-bottom: 0.35rem;
}

.hero__portrait-caption strong {
  display: block;
  font-size: 0.95rem;
  line-height: 1.35;
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.15rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn--primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #04101c;
}

.btn--ghost {
  border-color: var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.hero__readout {
  position: absolute;
  right: 1.5rem;
  bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.hero__readout-value {
  color: var(--accent);
  font-size: 1.15rem;
}

.hero__scroll-cue {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  border: 0;
  background: transparent;
  color: var(--text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--accent), transparent);
}

.section {
  padding: 6rem 1.5rem;
  border-top: 1px solid var(--border);
}

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

.section__inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section__inner--split {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.2fr);
  gap: 2rem;
}

.section__inner--center {
  text-align: center;
}

.eyebrow {
  color: var(--accent);
  margin: 0 0 0.5rem;
}

.section__hint {
  color: var(--muted);
  margin-top: 0.35rem;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.lede {
  font-size: 1.1rem;
  color: #e8ebf8;
}

.quick-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.quick-note {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--accent);
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.75rem;
}

.spectrum {
  display: grid;
  gap: 0.85rem;
}

.spectrum__row {
  display: grid;
  grid-template-columns: 220px 1fr 96px;
  gap: 1rem;
  align-items: center;
}

.spectrum__bar {
  height: 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
}

.spectrum__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  width: 0;
}

.spectrum__row[data-level="92"] .spectrum__fill { width: 92%; }
.spectrum__row[data-level="85"] .spectrum__fill { width: 85%; }
.spectrum__row[data-level="78"] .spectrum__fill { width: 78%; }
.spectrum__row[data-level="70"] .spectrum__fill { width: 70%; }
.spectrum__row[data-level="65"] .spectrum__fill { width: 65%; }
.spectrum__row[data-level="55"] .spectrum__fill { width: 55%; }

.channels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
}

.channel,
.interest-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1.25rem;
}

.channel {
  overflow: hidden;
}

.channel__media {
  margin: -1.25rem -1.25rem 1rem;
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(135deg, rgba(120, 227, 255, 0.18), rgba(107, 124, 255, 0.1)),
    rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--border);
}

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

.channel__media--logo {
  display: grid;
  place-items: center;
}

.channel__media--logo img {
  width: 96px;
  height: 96px;
  object-fit: contain;
  border-radius: 0.35rem;
}

.channel__media--placeholder {
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}

.channel__media--placeholder::before {
  content: "";
  position: absolute;
  inset: 18%;
  border: 1px dashed rgba(255, 255, 255, 0.28);
  border-radius: 0.5rem;
}

.channel__media--placeholder span {
  position: relative;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.channel__head,
.channel__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 0.75rem;
}

.channel__status {
  color: var(--accent);
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.75rem;
}

.channel__link {
  color: var(--accent);
  display: inline-block;
  margin-top: 0.75rem;
}

.interests {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.interest-card__icon {
  font-size: 1.4rem;
  color: var(--accent);
}

.socials {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.socials__link {
  color: var(--muted);
}

.footer {
  padding: 2rem 1.5rem 3rem;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

@media (max-width: 760px) {
  .nav__links {
    display: flex;
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: calc(100% + 0.5rem);
    padding: 1rem;
    background: rgba(3, 7, 18, 0.96);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    flex-direction: column;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    transform: translateY(-0.5rem) scale(0.98);
    transform-origin: top right;
    visibility: hidden;
    transition:
      max-height 260ms ease,
      opacity 220ms ease,
      transform 220ms ease,
      visibility 0s linear 260ms;
  }

  .nav__links.is-open {
    max-height: 18rem;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
    visibility: visible;
    transition:
      max-height 260ms ease,
      opacity 220ms ease,
      transform 220ms ease,
      visibility 0s;
  }

  .nav__toggle {
    display: block;
  }

  .nav__toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .nav__toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }

  .nav__toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .section__inner--split {
    grid-template-columns: 1fr;
  }

  .hero__layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero__portrait {
    width: min(260px, 100%);
  }

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

  .hero__readout {
    position: static;
    margin-top: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav__links,
  .nav__toggle span {
    transition: none;
  }
}