:root {
  --bg: #050505;
  --panel: #101010;
  --panel-2: #181b22;
  --text: #f4f4f4;
  --muted: #a7aab4;
  --green: #8cff4f;
  --green-dark: #55d92d;
  --border: rgba(255,255,255,0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(140,255,79,0.12), transparent 35%),
    radial-gradient(circle at bottom right, rgba(140,255,79,0.08), transparent 30%),
    var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

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

.nav {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
  filter: drop-shadow(0 0 14px rgba(140,255,79,0.3));
}

.brand-text {
  font-size: 1.7rem;
  font-weight: 950;
  letter-spacing: 0.03em;
  color: white;
}

.brand-text span {
  color: var(--green);
}

.footer-brand .brand-logo {
  width: 34px;
  height: 34px;
}

.footer-brand .brand-text {
  font-size: 1.2rem;
}

.nav nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.hero {
  width: min(1120px, calc(100% - 32px));
  margin: 40px auto 90px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  color: var(--green);
  text-transform: uppercase;
  font-weight: 900;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
}

.center {
  text-align: center;
}

h1 {
  font-size: clamp(3.4rem, 8vw, 6.9rem);
  line-height: 0.88;
  letter-spacing: -0.085em;
  margin: 12px 0 24px;
}

h2 {
  text-align: center;
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -0.06em;
  margin: 10px 0 34px;
}

.subtext {
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1.7;
  max-width: 620px;
}

.buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.primary,
.secondary {
  padding: 15px 22px;
  border-radius: 999px;
  font-weight: 900;
}

.primary {
  background: linear-gradient(135deg, var(--green), #9cff5f);
  color: #061106;
  box-shadow: 0 14px 40px rgba(140,255,79,0.18);
}

.secondary {
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255,255,255,0.04);
}

.phone-card {
  display: flex;
  justify-content: center;
}

.phone {
  width: min(390px, 100%);
  min-height: 680px;
  border: 1px solid var(--border);
  border-radius: 42px;
  background: #111319;
  padding: 26px;
  box-shadow: 0 30px 100px rgba(140,255,79,0.16);
  overflow: hidden;
}

.phone-top {
  width: 82px;
  height: 6px;
  border-radius: 999px;
  background: #30333d;
  margin: 0 auto 28px;
}

.app-title {
  font-size: 1.55rem;
  font-weight: 950;
  letter-spacing: 0.12em;
  margin-bottom: 24px;
}

.app-title span {
  color: white;
}

.app-title strong {
  color: var(--green);
}

.app-screenshot {
  width: 100%;
  max-width: 560px;
  display: block;
  border-radius: 34px;
}

.create-button {
  width: 100%;
  background: linear-gradient(135deg, var(--green), #9cff5f);
  color: #071007;
  text-align: center;
  font-weight: 950;
  padding: 18px 20px;
  border-radius: 26px;
  margin-bottom: 26px;
  font-size: 1rem;
}

.phone h3 {
  font-size: 1.75rem;
  margin: 0 0 18px;
}

.session-card {
  background: #191c24;
  border-radius: 26px;
  padding: 22px;
  margin-bottom: 14px;
}

.session-card strong {
  display: block;
  font-size: 1.35rem;
  margin-bottom: 6px;
}

.session-card span {
  color: var(--muted);
}

.session-card p {
  color: var(--green);
  font-weight: 900;
  margin: 14px 0 0;
}

.recommendation {
  margin-top: 22px;
  padding: 22px;
  border-radius: 24px;
  background: #191c24;
  border: 1px solid var(--border);
}

.recommendation small {
  display: block;
  color: var(--text);
  font-weight: 900;
  font-size: 1rem;
  margin-bottom: 8px;
}

.recommendation p {
  color: var(--green);
  font-weight: 950;
  font-size: 1.4rem;
  margin: 0;
  line-height: 1.3;
}

.section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto 90px;
}

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

.card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 26px;
}

.card h3 {
  font-size: 1.3rem;
  margin: 0 0 12px;
}

.card p {
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

.pro-section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto 90px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  background: linear-gradient(135deg, rgba(140,255,79,0.16), rgba(255,255,255,0.04));
  border: 1px solid rgba(140,255,79,0.25);
  border-radius: 34px;
  padding: 38px;
}

.pro-section h2 {
  text-align: left;
  margin-bottom: 16px;
}

.pro-section p {
  color: var(--muted);
  line-height: 1.7;
}

.pro-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-content: center;
}

.pro-list span {
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  font-weight: 900;
}

.faq {
  max-width: 820px;
}

details {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px 22px;
  margin-bottom: 12px;
}

summary {
  cursor: pointer;
  font-weight: 900;
}

details p {
  color: var(--muted);
  line-height: 1.6;
}

footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

@media (max-width: 820px) {
  .nav nav {
    display: none;
  }

  .hero,
  .pro-section {
    grid-template-columns: 1fr;
  }

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

  .phone {
    min-height: auto;
  }

  .pro-list {
    grid-template-columns: 1fr;
  }

  .brand-text {
    font-size: 1.35rem;
  }

  .brand-logo {
    width: 36px;
    height: 36px;
  }
}