:root {
  --bg: #071013;
  --bg-soft: #0c171b;
  --panel: rgba(10, 18, 22, 0.72);
  --panel-strong: rgba(12, 20, 26, 0.88);
  --line: rgba(150, 255, 231, 0.16);
  --text: #f4f7f5;
  --muted: #9eb4af;
  --signal: #79f3dc;
  --signal-strong: #affff0;
  --copper: #ff9966;
  --shadow: 0 40px 120px rgba(0, 0, 0, 0.45);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(121, 243, 220, 0.08), transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(255, 153, 102, 0.12), transparent 24%),
    linear-gradient(180deg, #071013 0%, #05090b 100%);
}

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

.site-shell {
  position: relative;
  overflow: hidden;
}

.ambient {
  position: fixed;
  inset: auto;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.42;
  pointer-events: none;
}

.ambient-a {
  top: -10rem;
  right: -6rem;
  width: 28rem;
  height: 28rem;
  background: rgba(118, 243, 223, 0.16);
}

.ambient-b {
  bottom: 10rem;
  left: -8rem;
  width: 24rem;
  height: 24rem;
  background: rgba(255, 153, 102, 0.11);
}

.grid-noise {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at center, black 45%, transparent 100%);
  opacity: 0.35;
  pointer-events: none;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  padding: 16px 18px;
  background: rgba(4, 9, 11, 0.52);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 9px;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--text);
}

.nav {
  display: inline-flex;
  gap: 24px;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--signal-strong);
}

.hero {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 48px;
  padding: 92px 0 58px;
  align-items: center;
}

.eyebrow {
  margin-bottom: 18px;
  color: var(--signal);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  font-weight: 700;
}

.hero h1,
.section h2,
.contact-panel h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.hero h1 {
  font-size: clamp(3.8rem, 8vw, 7.3rem);
  max-width: 10.5ch;
}

.hero-lockup-shell {
  display: inline-flex;
  align-items: center;
  gap: 0;
  max-width: min(100%, 640px);
  margin-bottom: 24px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.hero-wordmark {
  display: grid;
  gap: 10px;
}

.hero-wordmark-main {
  display: block;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: clamp(2.5rem, 5vw, 4.6rem);
  line-height: 0.88;
  letter-spacing: -0.08em;
  font-weight: 800;
  color: #f6f7f4;
}

.hero-wordmark-line {
  display: block;
  width: min(100%, 220px);
  height: 1px;
  background: linear-gradient(90deg, rgba(175, 255, 240, 0.65), rgba(175, 255, 240, 0));
}

.hero-wordmark-sub {
  display: block;
  color: rgba(212, 231, 227, 0.84);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1 span {
  color: var(--signal-strong);
}

.hero-text,
.section-intro p,
.glass-card p,
.capability-card p,
.stage-note p,
.contact-panel p {
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.75;
}

.hero-text {
  max-width: 58ch;
  margin: 24px 0 0;
  font-size: 1.08rem;
}

.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;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #041012;
  background: linear-gradient(135deg, var(--signal-strong), var(--signal));
  box-shadow: 0 16px 40px rgba(121, 243, 220, 0.24);
}

.button-secondary {
  border: 1px solid rgba(175, 255, 240, 0.18);
  background: rgba(255, 255, 255, 0.04);
}

.signal-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  margin: 30px 0 0;
  list-style: none;
}

.signal-row li {
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  color: #d4e7e3;
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.9rem;
}

.hero-stage {
  display: grid;
  gap: 18px;
}

.stage-panel,
.glass-card,
.capability-card,
.contact-panel,
.model-band,
.topbar {
  box-shadow: var(--shadow);
}

.stage-panel,
.glass-card,
.capability-card,
.contact-panel {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(22px);
}

.stage-core {
  min-height: 520px;
  padding: 24px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at center, rgba(121, 243, 220, 0.08), transparent 34%),
    linear-gradient(180deg, rgba(11, 21, 24, 0.95), rgba(7, 14, 17, 0.92));
}

.panel-label {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(244, 247, 245, 0.72);
}

.core-node {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: 170px;
  height: 170px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.22), transparent 34%),
    linear-gradient(135deg, rgba(14, 31, 36, 0.95), rgba(8, 18, 22, 0.98));
  border: 1px solid rgba(175, 255, 240, 0.22);
  box-shadow: inset 0 0 50px rgba(121, 243, 220, 0.06), 0 0 60px rgba(121, 243, 220, 0.1);
}

.core-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--signal-strong);
  box-shadow: 0 0 40px rgba(175, 255, 240, 0.85);
}

.core-title {
  position: absolute;
  bottom: 32px;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.pulse-ring {
  position: absolute;
  inset: 50% auto auto 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(121, 243, 220, 0.18);
}

.pulse-ring-a {
  width: 280px;
  height: 280px;
}

.pulse-ring-b {
  width: 420px;
  height: 420px;
}

.orbit {
  position: absolute;
  display: grid;
  place-items: center;
  width: 112px;
  height: 112px;
  border-radius: 24px;
  background: rgba(15, 28, 32, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
}

.orbit span {
  text-align: center;
  font-size: 1rem;
}

.orbit-a { top: 90px; right: 58px; }
.orbit-b { bottom: 98px; right: 36px; }
.orbit-c { bottom: 62px; left: 42px; }
.orbit-d { top: 118px; left: 34px; }

.stage-note {
  padding: 24px;
  border-radius: var(--radius-lg);
}

.section {
  padding: 50px 0;
}

.split-section {
  padding-top: 72px;
}

.section-intro {
  display: grid;
  gap: 14px;
  margin-bottom: 30px;
}

.section-intro h2,
.contact-panel h2 {
  font-size: clamp(2.2rem, 5vw, 4.1rem);
  max-width: 12ch;
}

.section-intro.narrow p {
  max-width: 72ch;
}

.split-grid,
.capability-grid {
  display: grid;
  gap: 18px;
}

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

.glass-card {
  min-height: 280px;
  padding: 26px;
  border-radius: var(--radius-lg);
}

.card-index {
  display: inline-flex;
  margin-bottom: 30px;
  color: var(--signal);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.glass-card h3,
.capability-card h3 {
  margin: 0 0 12px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.45rem;
}

.capability-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.capability-card {
  min-height: 260px;
  padding: 24px;
  border-radius: var(--radius-md);
}

.capability-card.active {
  background:
    linear-gradient(180deg, rgba(121, 243, 220, 0.12), rgba(255, 255, 255, 0.02)),
    linear-gradient(180deg, rgba(11, 21, 24, 0.95), rgba(7, 14, 17, 0.92));
}

.model-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 24px;
  padding: 1px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(121, 243, 220, 0.26), rgba(255, 153, 102, 0.18));
}

.band-item {
  min-height: 164px;
  padding: 24px;
  background: var(--panel-strong);
  border-radius: calc(var(--radius-xl) - 1px);
}

.band-label {
  display: block;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--signal);
  font-size: 0.78rem;
  font-weight: 700;
}

.band-item strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.35rem;
  line-height: 1.25;
}

.faq-section {
  padding-top: 24px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-items: stretch;
}

.faq-card {
  display: grid;
  align-content: start;
  gap: 16px;
  min-height: 100%;
  padding: 28px 28px 30px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02)),
    linear-gradient(180deg, rgba(8, 16, 19, 0.94), rgba(7, 12, 15, 0.92));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.faq-card-featured,
.faq-card-quote {
  position: relative;
  overflow: hidden;
}

.faq-card-featured {
  grid-column: span 2;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  gap: 22px 28px;
}

.faq-card-featured::after {
  content: "";
  position: absolute;
  inset: auto -8% -18% auto;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(121, 243, 220, 0.15), rgba(121, 243, 220, 0));
  pointer-events: none;
}

.faq-card-quote {
  background:
    radial-gradient(circle at top right, rgba(121, 243, 220, 0.11), transparent 34%),
    linear-gradient(180deg, rgba(14, 26, 30, 0.98), rgba(9, 16, 19, 0.96));
}

.faq-kicker {
  display: inline-flex;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--signal);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 700;
}

.faq-card h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.38rem;
  line-height: 1.08;
  letter-spacing: -0.04em;
  max-width: 20ch;
}

.faq-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.68;
  max-width: 48ch;
}

.faq-card-featured h3 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 0.98;
  max-width: 12ch;
}

.faq-card-featured p {
  align-self: end;
  font-size: 1.04rem;
  max-width: 34ch;
}

.faq-card-quote h3 {
  max-width: 14ch;
}

.faq-card-quote p {
  max-width: 30ch;
}

.contact-section {
  padding-bottom: 80px;
}

.contact-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 32px;
  padding: 38px;
  border-radius: var(--radius-xl);
}

.contact-copy h2 {
  max-width: 10ch;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.contact-form label {
  display: grid;
  gap: 10px;
}

.contact-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 16px 18px;
  font: inherit;
  outline: none;
  transition: border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(244, 247, 245, 0.38);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.045);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.035);
}

.contact-form textarea {
  min-height: 156px;
  resize: vertical;
}

.contact-message {
  grid-column: 1 / -1;
}

.contact-form .button {
  justify-self: start;
  margin-top: 4px;
}

.form-status {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.form-status.is-success {
  color: var(--signal-strong);
}

.form-status.is-error {
  color: #ffb58f;
}

.legal-separator {
  width: 14px;
  height: 1px;
  background: rgba(158, 180, 175, 0.34);
}

.contact-meta {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.contact-meta a:hover,
.contact-meta a:focus-visible {
  color: var(--text);
}

.contact-legal-wrap {
  display: block;
  width: 100%;
  margin-top: 20px;
  text-align: center;
}

.contact-legal {
  display: inline-flex;
  width: auto;
  max-width: 100%;
  justify-content: center;
  align-items: center;
  gap: 16px;
  row-gap: 10px;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  margin: 0 auto;
  text-align: center;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0 0 44px;
  color: rgba(212, 231, 227, 0.76);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  text-align: center;
}

.footer a:hover,
.footer a:focus-visible {
  color: var(--text);
}

.legal-shell .topbar,
.legal-main,
.legal-footer {
  width: min(calc(100% - 40px), 980px);
  margin-inline: auto;
}

.legal-main {
  padding: 76px 0 56px;
}

.legal-hero {
  margin-bottom: 28px;
}

.legal-hero h1 {
  margin: 0 0 18px;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.legal-hero p,
.legal-card p,
.legal-list li {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.legal-card {
  margin-bottom: 18px;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow);
}

.legal-card h2 {
  margin: 0 0 14px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}

.legal-list {
  margin: 0;
  padding-left: 20px;
}

.legal-footer {
  padding-bottom: 32px;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@media (max-width: 1080px) {
  .hero,
  .split-grid,
  .capability-grid,
  .model-band,
  .footer {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 28px;
  }

  .footer {
    display: grid;
  }

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

@media (max-width: 720px) {
  .topbar {
    padding: 14px 16px;
    border-radius: 24px;
  }

  .brand-logo {
    width: 32px;
    height: 32px;
  }

  .nav {
    display: none;
  }

  .hero {
    padding-top: 56px;
  }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(3rem, 17vw, 4.6rem);
  }

  .hero-lockup-shell {
    max-width: 100%;
    margin-bottom: 20px;
    gap: 0;
  }

  .hero-wordmark-main {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .hero-wordmark-line {
    width: 140px;
  }

  .stage-core {
    min-height: 460px;
  }

  .pulse-ring-b,
  .orbit-d {
    display: none;
  }

  .orbit {
    width: 92px;
    height: 92px;
  }

  .orbit-a { top: 96px; right: 24px; }
  .orbit-b { bottom: 60px; right: 26px; }
  .orbit-c { bottom: 48px; left: 22px; }

  .split-grid,
  .capability-grid,
  .model-band,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .faq-card-featured {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .contact-panel,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    gap: 24px;
    padding: 28px 22px;
  }

  .contact-legal {
    gap: 12px;
    padding: 10px 14px;
  }

  .section,
  .contact-section {
    padding: 34px 0;
  }

  .footer {
    padding-bottom: 28px;
  }

  .footer {
    gap: 10px;
  }

  .legal-separator {
    width: 12px;
  }
}