@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #070910;
  --bg-soft: #0d1322;
  --panel: rgba(255, 255, 255, 0.07);
  --panel-strong: rgba(255, 255, 255, 0.11);
  --text: #f4f7fb;
  --muted: #aeb8c8;
  --line: rgba(255, 255, 255, 0.13);
  --accent: #7cf7ff;
  --accent-2: #ad7cff;
  --accent-3: #7cffb4;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(124, 247, 255, 0.20), transparent 35%),
    radial-gradient(circle at top right, rgba(173, 124, 255, 0.16), transparent 35%),
    linear-gradient(180deg, #070910 0%, #0a0f1d 48%, #05070c 100%);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

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

p {
  color: var(--muted);
  margin: 0;
}

h1, h2, h3 {
  margin: 0;
  line-height: 1.06;
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(3.1rem, 8vw, 7.4rem);
  max-width: 980px;
}

h2 {
  font-size: clamp(2.2rem, 5vw, 4.8rem);
}

h3 {
  font-size: 1.35rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(7, 9, 16, 0.72);
  border-bottom: 1px solid var(--line);
}

.nav {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: inline-block;
  background:
    radial-gradient(circle at 35% 35%, #fff, var(--accent) 22%, transparent 42%),
    conic-gradient(from 180deg, var(--accent), var(--accent-2), var(--accent-3), var(--accent));
  box-shadow: 0 0 40px rgba(124, 247, 255, 0.35);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
  font-weight: 600;
}

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  margin: 5px auto;
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 110px 0;
}

.hero {
  padding-top: 110px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 800;
  margin-bottom: 18px;
}

.hero-text {
  font-size: 1.25rem;
  max-width: 680px;
  margin-top: 28px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 36px;
}

.button {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.35);
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #051018;
  border-color: transparent;
}

.button.secondary {
  background: rgba(255,255,255,0.06);
}

.trust-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.trust-row span {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.045);
  color: var(--muted);
  padding: 9px 12px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
}

.consciousness-card {
  min-height: 600px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 32%, rgba(124, 247, 255, 0.20), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,0.11), rgba(255,255,255,0.04));
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}

.consciousness-card::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 22px;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle, black, transparent 70%);
}

.orb {
  width: min(340px, 72vw);
  aspect-ratio: 1;
  position: relative;
  display: grid;
  place-items: center;
}

.core {
  width: 42%;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, #fff, var(--accent) 30%, rgba(173,124,255,0.9) 62%, rgba(124,255,180,0.65));
  box-shadow:
    0 0 80px rgba(124,247,255,0.55),
    0 0 150px rgba(173,124,255,0.25);
  animation: pulse 4s ease-in-out infinite;
}

.ring {
  position: absolute;
  border: 1px solid rgba(124,247,255,0.36);
  border-radius: 50%;
  inset: 0;
}

.ring-one {
  animation: rotate 14s linear infinite;
  border-top-color: var(--accent);
}

.ring-two {
  inset: 13%;
  transform: rotate(62deg);
  border-right-color: var(--accent-2);
  animation: rotateReverse 18s linear infinite;
}

.ring-three {
  inset: 25%;
  transform: rotate(-28deg);
  border-bottom-color: var(--accent-3);
  animation: rotate 11s linear infinite;
}

.signal-panel {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  display: grid;
  gap: 10px;
}

.signal-panel div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(5, 8, 15, 0.62);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 13px 14px;
  backdrop-filter: blur(14px);
}

.label {
  color: var(--muted);
  font-size: 0.88rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 46px;
}

.section-heading p {
  font-size: 1.1rem;
  margin-top: 20px;
}

.feature-grid,
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card,
.case-grid article,
.ethics-card,
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 18px 70px rgba(0,0,0,0.22);
}

.feature-card {
  padding: 34px;
  min-height: 280px;
}

.feature-card p,
.case-grid p,
.step p {
  margin-top: 14px;
}

.icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: rgba(124,247,255,0.10);
  border: 1px solid rgba(124,247,255,0.24);
  color: var(--accent);
  font-weight: 900;
  margin-bottom: 40px;
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.split > div:first-child p:last-child {
  margin-top: 22px;
  font-size: 1.1rem;
}

.steps {
  display: grid;
  gap: 16px;
}

.step {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 24px;
  background: rgba(255,255,255,0.055);
}

.step > span {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 900;
  color: #081017;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
}

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

.case-grid article {
  padding: 28px;
}

.ethics-card {
  padding: clamp(30px, 6vw, 70px);
  background:
    linear-gradient(135deg, rgba(124,247,255,0.13), rgba(173,124,255,0.08)),
    var(--panel);
}

.ethics-card > p {
  max-width: 830px;
  margin-top: 24px;
  font-size: 1.1rem;
}

.ethics-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 42px;
}

.ethics-list div {
  padding: 22px;
  background: rgba(5,8,15,0.42);
  border: 1px solid var(--line);
  border-radius: 20px;
}

.ethics-list strong {
  display: block;
  margin-bottom: 8px;
}

.ethics-list span {
  color: var(--muted);
}

.quote-section {
  padding-top: 40px;
  padding-bottom: 40px;
}

blockquote {
  margin: 0;
  padding: 70px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 20% 20%, rgba(124,247,255,0.13), transparent 36%),
    rgba(255,255,255,0.055);
  font-size: clamp(2rem, 5vw, 4.7rem);
  line-height: 1.08;
  letter-spacing: -0.05em;
  font-weight: 800;
}

.contact-card {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 40px;
  padding: clamp(28px, 5vw, 58px);
  align-items: center;
}

.contact-card p {
  margin-top: 20px;
  font-size: 1.08rem;
}

.signup-form {
  display: grid;
  gap: 16px;
  background: rgba(5,8,15,0.44);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 22px;
}

.signup-form label {
  display: grid;
  gap: 7px;
  color: var(--text);
  font-weight: 700;
  font-size: 0.9rem;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,0.07);
  color: var(--text);
  padding: 14px 14px;
  font: inherit;
  outline: none;
}

select option {
  color: #07101a;
}

input:focus,
select:focus {
  border-color: rgba(124,247,255,0.65);
}

.form-note {
  font-size: 0.82rem !important;
  margin-top: 0 !important;
}

.footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 40px 0 54px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer p {
  margin-top: 12px;
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  color: var(--muted);
  font-weight: 700;
}

@keyframes rotate {
  to { transform: rotate(360deg); }
}

@keyframes rotateReverse {
  to { transform: rotate(-360deg); }
}

@keyframes pulse {
  0%, 100% { transform: scale(0.96); }
  50% { transform: scale(1.04); }
}

@media (max-width: 920px) {
  .nav-links {
    position: fixed;
    top: 76px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(7, 9, 16, 0.96);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: inline-block;
  }

  .hero-grid,
  .split,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .consciousness-card {
    min-height: 500px;
  }

  .feature-grid,
  .case-grid,
  .ethics-list {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 78px 0;
  }

  blockquote {
    padding: 34px;
  }

  .footer {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .nav,
  .section,
  .footer {
    width: min(100% - 28px, 1180px);
  }

  .hero {
    padding-top: 72px;
  }

  .button {
    width: 100%;
  }

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

  .consciousness-card {
    min-height: 430px;
  }

  .signal-panel {
    left: 14px;
    right: 14px;
    bottom: 14px;
  }
}