:root {
  --bg: #090909;
  --bg-soft: #121212;
  --panel: rgba(24, 24, 24, 0.84);
  --panel-strong: rgba(31, 31, 31, 0.96);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text: #f5f5f1;
  --muted: #aaa9a1;
  --accent: #efff38;
  --accent-deep: #c9da1a;
  --accent-ink: #1a1a11;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(239, 255, 56, 0.08), transparent 28%),
    radial-gradient(circle at 80% 12%, rgba(116, 135, 255, 0.08), transparent 22%),
    linear-gradient(180deg, #0a0a0a 0%, #090909 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at center, black, transparent 88%);
  opacity: 0.4;
}

.page-shell {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.noise-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  background-image: radial-gradient(#ffffff 0.6px, transparent 0.6px);
  background-size: 18px 18px;
}

.site-header,
.hero,
.info-grid,
.feature-band,
.channel-section,
.closing-cta {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 0 10px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #f5ff5f 0%, #dbe72a 100%);
  color: var(--accent-ink);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.7rem;
  font-weight: 700;
  border-radius: 14px;
  box-shadow: 0 18px 40px rgba(239, 255, 56, 0.16);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.brand-copy strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.35rem;
  line-height: 1;
}

.brand-copy span:last-child {
  font-size: 0.73rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.top-nav a,
.header-cta {
  color: var(--text);
  text-decoration: none;
}

.top-nav a {
  font-size: 0.95rem;
  color: var(--muted);
  transition: color 160ms ease;
}

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

.header-cta,
.primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: linear-gradient(145deg, #f3ff54 0%, #d9e91a 100%);
  color: var(--accent-ink);
  font-weight: 800;
  text-decoration: none;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    filter 160ms ease;
}

.header-cta {
  min-height: 48px;
  padding: 0 20px;
  font-size: 0.92rem;
  box-shadow: 0 14px 30px rgba(239, 255, 56, 0.18);
}

.header-cta:hover,
.primary-cta:hover {
  transform: translateY(-1px);
  filter: brightness(1.02);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  padding: 72px 0 56px;
}

.eyebrow,
.card-kicker,
.channel-tag,
.panel-label {
  margin: 0 0 16px;
  font-family: "Space Grotesk", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--accent);
}

.hero h1,
.feature-copy h2,
.closing-cta h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(3rem, 5vw, 5.6rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
}

.hero-text,
.feature-copy p,
.closing-cta p,
.info-card p,
.channel-card p,
.panel-card p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  max-width: 42rem;
  margin: 22px 0 0;
  font-size: 1.06rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.primary-cta {
  min-height: 58px;
  padding: 0 28px;
  font-size: 0.98rem;
  box-shadow: 0 18px 38px rgba(239, 255, 56, 0.2);
}

.primary-cta.large {
  min-height: 64px;
  padding: 0 34px;
}

.supporting-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.signal-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
}

.signal-row li {
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.03);
  color: #deded6;
  font-size: 0.9rem;
}

.hero-visual {
  position: relative;
}

.visual-frame {
  padding: 18px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02)),
    rgba(11, 11, 11, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.visual-topbar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.visual-pill {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--muted);
  font-size: 0.84rem;
}

.visual-pill.active {
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
}

.visual-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.3fr 0.86fr;
  gap: 14px;
}

.visual-rail,
.visual-chat,
.visual-panel {
  min-height: 510px;
  padding: 16px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.visual-rail {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rail-card {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.rail-card.active {
  background: rgba(239, 255, 56, 0.08);
  border-color: rgba(239, 255, 56, 0.24);
}

.rail-title {
  display: block;
  font-weight: 700;
}

.rail-meta {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.84rem;
}

.visual-chat {
  display: flex;
  flex-direction: column;
  gap: 14px;
  justify-content: flex-start;
}

.bubble {
  max-width: 90%;
  padding: 16px 18px;
  border-radius: 20px;
  font-size: 0.96rem;
  line-height: 1.55;
}

.bubble.incoming {
  background: rgba(255, 255, 255, 0.05);
  border-top-left-radius: 7px;
}

.bubble.outgoing {
  margin-left: auto;
  background: var(--accent);
  color: var(--accent-ink);
  border-top-right-radius: 7px;
}

.bubble.compact {
  max-width: 70%;
}

.composer-bar {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.composer-input {
  color: var(--muted);
  font-size: 0.9rem;
}

.composer-send {
  padding: 11px 18px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
  white-space: nowrap;
}

.visual-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.panel-card {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(239, 255, 56, 0.16);
}

.panel-card.subtle {
  border-color: rgba(255, 255, 255, 0.07);
}

.panel-card p {
  margin: 0;
  font-size: 0.92rem;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 12px 0 24px;
}

.info-card,
.channel-card,
.metric-card,
.closing-cta {
  border: 1px solid var(--panel-border);
  background: var(--panel);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.info-card {
  padding: 28px;
  border-radius: 24px;
}

.info-card.emphasis {
  background:
    linear-gradient(160deg, rgba(239, 255, 56, 0.09), transparent 48%),
    var(--panel);
}

.info-card h2,
.channel-card h3 {
  margin: 0 0 12px;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.04em;
}

.info-card h2 {
  font-size: clamp(1.7rem, 2.4vw, 2.45rem);
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 24px;
  align-items: start;
  padding: 52px 0 24px;
}

.feature-copy h2 {
  font-size: clamp(2.2rem, 4vw, 4rem);
}

.metric-stack {
  display: grid;
  gap: 14px;
}

.metric-card {
  padding: 22px;
  border-radius: 22px;
}

.metric-value {
  display: block;
  margin-bottom: 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
}

.metric-label {
  color: var(--muted);
  line-height: 1.6;
}

.channel-section {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 24px 0 36px;
}

.channel-card {
  padding: 26px;
  border-radius: 22px;
}

.channel-card h3 {
  font-size: 1.5rem;
}

.closing-cta {
  margin-bottom: 40px;
  padding: 34px;
  border-radius: 28px;
  text-align: center;
}

.closing-cta h2 {
  font-size: clamp(2rem, 3vw, 3.1rem);
  margin-bottom: 14px;
}

.closing-cta p {
  width: min(680px, 100%);
  margin: 0 auto 24px;
}

@media (max-width: 1120px) {
  .hero,
  .feature-band,
  .channel-section,
  .info-grid {
    grid-template-columns: 1fr;
  }

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

  .visual-rail,
  .visual-chat,
  .visual-panel {
    min-height: auto;
  }
}

@media (max-width: 760px) {
  .site-header {
    flex-wrap: wrap;
    justify-content: center;
    padding-top: 18px;
  }

  .top-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 36px;
  }

  .site-header,
  .hero,
  .info-grid,
  .feature-band,
  .channel-section,
  .closing-cta {
    width: min(100% - 28px, 1180px);
  }

  .brand-copy strong {
    font-size: 1.2rem;
  }

  .hero h1,
  .feature-copy h2,
  .closing-cta h2 {
    line-height: 1.02;
  }

  .bubble,
  .bubble.compact {
    max-width: 100%;
  }

  .composer-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .composer-send {
    text-align: center;
  }
}