:root {
  --bg: #0b1022;
  --bg-soft: #141b37;
  --card: #1a2250cc;
  --line: #2d3d77;
  --text: #e9edf7;
  --muted: #a8b3d3;
  --accent: #8fbcff;
  --accent-2: #70e6c9;
  --shadow: 0 24px 55px #090e1f66;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  font-family: "Noto Sans SC", "Inter", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, #1d2f6c55, transparent 60%),
    radial-gradient(1400px 700px at 90% 0, #2a8bcf33, transparent 58%),
    var(--bg);
}

body {
  line-height: 1.6;
}

.container {
  width: min(1024px, 92vw);
  margin: 0 auto;
}

.hero {
  position: relative;
  padding: 20px 0 54px;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  filter: blur(0);
}

.hero::before {
  left: -40px;
  top: 90px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: #84ffc533;
}

.hero::after {
  right: -30px;
  top: 20px;
  width: 190px;
  height: 190px;
  border-radius: 50%;
  background: #8fbcff3f;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
}

.brand {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.brand span {
  color: var(--accent-2);
}

.nav a {
  color: var(--text);
  text-decoration: none;
  margin-left: 18px;
}

.nav-actions {
  display: flex;
  align-items: center;
}

.hero-body {
  display: grid;
  gap: 20px;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  padding-top: 28px;
}

.hero-copy h1 {
  margin: 12px 0 14px;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.25;
}

.kicker {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 700;
}

.hero-btns {
  margin-top: 18px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn,
.btn-small {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #061229;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
}

.btn-small {
  padding: 9px 14px;
}

.btn-secondary {
  background: #28316f;
  color: var(--text);
}

.hero-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.94rem;
}

.hero-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(4px);
  animation: rise 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

.metric-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
}

.metric-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  margin: 12px 0;
}

.metric-list span {
  color: var(--muted);
  font-size: 0.9rem;
}

main {
  margin-top: 8px;
}

.section {
  padding: 44px 0;
}

.section h2 {
  margin: 0 0 10px;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.section-intro {
  margin: 0 0 18px;
  color: var(--muted);
}

.card-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--line);
  background: #1b2450aa;
  border-radius: 14px;
  padding: 16px;
}

.alt {
  background: #0e1429bb;
}

.tool-pane {
  display: grid;
  gap: 12px;
}

textarea,
input {
  width: 100%;
  border-radius: 10px;
  border: 1px solid #33417b;
  background: #0f1630;
  color: #dbe6ff;
  padding: 12px;
  font: inherit;
}

textarea {
  resize: vertical;
}

.tool-result {
  background: #111a3a;
  border: 1px dashed #3f588f;
  min-height: 96px;
  border-radius: 12px;
  padding: 12px;
  color: #b6cdfd;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  margin: 10px 0;
  background: #111936;
}

.faq-list details p {
  margin-bottom: 0;
}

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

.contact-form label {
  display: grid;
  gap: 6px;
  color: #c0cbea;
}

label span {
  display: block;
}

footer {
  padding: 24px 0 40px;
  color: var(--muted);
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 860px) {
  .hero-body {
    grid-template-columns: 1fr;
  }
  .nav-actions {
    display: none;
  }
  .card-grid {
    grid-template-columns: 1fr;
  }
}