:root {
  --bg: #050816;
  --panel: rgba(255,255,255,.06);
  --line: rgba(255,255,255,.14);
  --text: #f7f7ff;
  --muted: #b8c0dc;
  --purple: #b935ff;
  --blue: #168cff;
  --teal: #31d4e0;
  --gold: #ffd36b;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 25% 10%, rgba(185,53,255,.25), transparent 32%),
    radial-gradient(circle at 75% 10%, rgba(22,140,255,.25), transparent 32%),
    linear-gradient(135deg, #060018, #03142d 70%, #020712);
  color: var(--text);
}

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

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 5vw;
  background: rgba(5,8,22,.72);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  letter-spacing: .3em;
  font-weight: 700;
  font-size: .86rem;
}

.brand img { width: 34px; height: 34px; object-fit: contain; }

.nav nav {
  display: flex;
  gap: 28px;
  color: var(--muted);
  font-size: .94rem;
}

.nav-cta, .button, form button {
  border: 0;
  color: white;
  font-weight: 800;
  border-radius: 999px;
  padding: 14px 22px;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  box-shadow: 0 14px 40px rgba(74,82,255,.24);
  cursor: pointer;
}

.hero {
  min-height: 92vh;
  display: grid;
  grid-template-columns: 1fr minmax(320px, 520px) 1fr;
  gap: 28px;
  align-items: center;
  padding: 72px 5vw 48px;
  position: relative;
}

.hero-side {
  padding: 28px;
  border-radius: 30px;
}

.hero-side h1 {
  margin: 14px 0 6px;
  font-size: clamp(3rem, 8vw, 5.7rem);
  line-height: .9;
}

.hero-side h1 span { color: var(--purple); }

.hero-side h2, .section-copy h2, .keyboard-section h2, .patterns-section h2, .final-cta h2 {
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  line-height: 1.02;
  margin: 0 0 16px;
}

.hero-side p, .section-copy p, .keyboard-section p, .final-cta p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.55;
  max-width: 36rem;
}

.blue h1 { color: #7fc9ff; }

.pill {
  display: inline-flex;
  width: fit-content;
  color: white;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.07);
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 800;
  font-size: .85rem;
}

.butterfly-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.butterfly {
  width: min(100%, 500px);
  filter: drop-shadow(0 0 34px rgba(99,173,255,.45));
  animation: flap 4s ease-in-out infinite;
  transform-origin: center;
}

@keyframes flap {
  0%, 100% { transform: scaleX(1) translateY(0); }
  50% { transform: scaleX(.94) translateY(-8px); }
}

.decoder-badge {
  margin-top: -18px;
  text-align: center;
  padding: 16px 22px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.28);
  backdrop-filter: blur(12px);
}

.decoder-badge small, .decoder-badge span {
  display: block;
  color: var(--muted);
}

.decoder-badge strong {
  display: block;
  font-size: 1.4rem;
}

.hero-statement {
  grid-column: 1 / -1;
  text-align: center;
  max-width: 850px;
  margin: 0 auto;
}

.hero-statement h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.08;
  margin: 0 0 12px;
}

.hero-statement p {
  color: var(--muted);
  font-size: 1.1rem;
}

.three-cards, .product-grid, .decoder-section, .keyboard-section, .patterns-section, .final-cta {
  width: min(1180px, 90vw);
  margin: 0 auto 18px;
}

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

.three-cards article, .product-card, .decoder-section, .keyboard-section, .patterns-section, .final-cta {
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255,255,255,.055);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
  backdrop-filter: blur(16px);
}

.three-cards article {
  padding: 26px;
}

.three-cards h3 {
  margin: 0 0 10px;
  font-size: 1.5rem;
}

.three-cards p, .product-card li, .decoder-section li, .demo-box p {
  color: var(--muted);
  line-height: 1.5;
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.product-card {
  padding: 30px;
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 20px;
  min-height: 430px;
  overflow: hidden;
}

.purple-card { box-shadow: 0 0 0 1px rgba(185,53,255,.25), inset 0 1px 0 rgba(255,255,255,.08); }
.blue-card { box-shadow: 0 0 0 1px rgba(22,140,255,.25), inset 0 1px 0 rgba(255,255,255,.08); }

.product-card h2 { margin: 14px 0; font-size: 2.05rem; }
.product-card ul { list-style: none; padding: 0; margin: 0; }
.product-card li { margin: 13px 0; }
.product-card li::before { content: "✓"; color: var(--teal); margin-right: 10px; font-weight: 900; }

.phone {
  align-self: end;
  height: 360px;
  border: 10px solid #101321;
  border-radius: 42px 42px 0 0;
  background: #101321;
  box-shadow: 0 20px 50px rgba(0,0,0,.45);
  overflow: hidden;
}

.phone-screen {
  height: 100%;
  padding: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
}

.message {
  background: rgba(255,255,255,.9);
  color: #101321;
  padding: 12px;
  border-radius: 14px;
  font-weight: 700;
}

.suggestion {
  padding: 14px;
  border-radius: 16px;
  background: rgba(185,53,255,.22);
  border: 1px solid rgba(185,53,255,.4);
}

.blue-suggestion {
  background: rgba(22,140,255,.18);
  border-color: rgba(22,140,255,.45);
}

.suggestion small { color: var(--muted); }
.suggestion button {
  border: 0;
  border-radius: 10px;
  padding: 8px 12px;
  color: white;
  background: linear-gradient(135deg, var(--purple), var(--blue));
}

.mini-keyboard {
  margin-top: 14px;
  padding: 14px;
  text-align: center;
  border-radius: 16px;
  background: rgba(0,0,0,.36);
  color: var(--muted);
}

.decoder-section {
  padding: 32px;
  display: grid;
  grid-template-columns: .85fr 1.7fr;
  gap: 30px;
  align-items: center;
}

.disclaimer {
  padding: 14px 16px;
  border-left: 3px solid var(--gold);
  background: rgba(255,211,107,.08);
  border-radius: 14px;
}

.decoder-demo {
  display: grid;
  grid-template-columns: 1fr auto 1.25fr auto 1.25fr;
  gap: 14px;
  align-items: center;
}

.demo-box {
  min-height: 150px;
  padding: 22px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,.26);
}

.demo-box strong { font-size: 2rem; }
.demo-box small { display: block; color: var(--muted); margin-bottom: 10px; }
.glow { box-shadow: 0 0 34px rgba(185,53,255,.16); }
.arrow { color: var(--muted); font-size: 1.8rem; }

.keyboard-section {
  padding: 32px;
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  gap: 28px;
  align-items: center;
}

.keyboard-mock {
  padding: 18px;
  border-radius: 26px;
  background: #111827;
  border: 1px solid var(--line);
}

.status-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
  font-size: .86rem;
}

.clear { color: #4ade80; }
.context { color: #facc15; }
.risk { color: #fb7185; }

.keys {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 8px;
}

.keys span {
  padding: 12px 0;
  text-align: center;
  border-radius: 10px;
  background: rgba(255,255,255,.09);
  color: #dbeafe;
}

.patterns-section {
  padding: 32px;
}

.pattern-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-top: 22px;
}

.pattern-grid span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70px;
  text-align: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.04);
  color: #d9def5;
  font-weight: 700;
}

.final-cta {
  padding: 52px 32px;
  text-align: center;
  margin-bottom: 44px;
}

.final-cta img {
  width: 150px;
  margin-bottom: 14px;
  animation: flap 4s ease-in-out infinite;
}

form {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
}

form input {
  width: min(420px, 100%);
  padding: 16px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.08);
  color: white;
  outline: none;
}

.form-message { min-height: 24px; color: var(--teal); }

footer {
  width: min(1180px, 90vw);
  margin: 0 auto;
  padding: 24px 0 42px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
}

@media (max-width: 920px) {
  .nav nav { display: none; }
  .hero, .product-grid, .decoder-section, .keyboard-section { grid-template-columns: 1fr; }
  .butterfly-wrap { order: -1; }
  .three-cards { grid-template-columns: 1fr; }
  .product-card { grid-template-columns: 1fr; }
  .phone { max-width: 280px; }
  .decoder-demo { grid-template-columns: 1fr; }
  .arrow { transform: rotate(90deg); text-align: center; }
  .pattern-grid { grid-template-columns: repeat(2, 1fr); }
  footer { flex-direction: column; }
  form { flex-direction: column; align-items: center; }
}

@media (max-width: 540px) {
  .nav { padding: 14px 18px; }
  .nav-cta { display: none; }
  .hero { padding: 42px 18px 28px; }
  .hero-side { padding: 8px; }
  .three-cards, .product-grid, .decoder-section, .keyboard-section, .patterns-section, .final-cta { width: calc(100% - 28px); }
  .pattern-grid { grid-template-columns: 1fr; }
}