:root {
  --bg: #04070e;
  --surface: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.1);
  --text: rgba(255, 255, 255, 0.92);
  --text-dim: rgba(255, 255, 255, 0.62);
  --text-faint: rgba(255, 255, 255, 0.45);
  --cyan: #06b6d4;
  --cyan-bright: #67e8f9;
  --blue: #0284c7;
  --warning: #fde68a;
  --warning-bg: rgba(245, 158, 11, 0.12);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.glow {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle 540px at 50% 20%, rgba(2, 132, 199, 0.16), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- header ---------- */

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  font-size: 17px;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

nav a {
  color: var(--cyan);
  text-decoration: none;
  font-size: 15px;
  padding: 10px 14px;
}

nav a:hover {
  color: var(--cyan-bright);
}

/* ---------- hero ---------- */

.hero {
  text-align: center;
  padding: 72px 0 56px;
}

.hero img.app-icon {
  width: 116px;
  height: 116px;
  border-radius: 26px;
  box-shadow: 0 0 60px rgba(6, 182, 212, 0.35);
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(30px, 5.4vw, 46px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.hero h1 span {
  background: linear-gradient(90deg, var(--cyan-bright), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  max-width: 560px;
  margin: 18px auto 0;
  color: var(--text-dim);
  font-size: 18px;
}

.badge {
  display: inline-block;
  margin-top: 32px;
  padding: 14px 28px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #fff;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 0 32px rgba(6, 182, 212, 0.3);
}

.badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 44px rgba(6, 182, 212, 0.45);
}

/* ---------- feature grid ---------- */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  padding: 24px 0 56px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
}

.card .emoji-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(2, 132, 199, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.35);
  margin-bottom: 14px;
}

.card .emoji-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--cyan);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.card p {
  color: var(--text-dim);
  font-size: 15px;
}

/* ---------- steps ---------- */

.steps {
  padding: 8px 0 56px;
}

.steps h2,
.section-title {
  font-size: 26px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 28px;
}

.steps ol {
  list-style: none;
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.steps li {
  counter-increment: step;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  color: var(--text-dim);
  font-size: 15px;
}

.steps li strong {
  display: block;
  color: var(--text);
  font-size: 16px;
  margin-bottom: 4px;
}

.steps li::before {
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(2, 132, 199, 0.15);
  border: 1px solid rgba(6, 182, 212, 0.4);
  color: var(--cyan);
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 14px;
}

/* ---------- disclaimer strip ---------- */

.disclaimer {
  background: var(--warning-bg);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 16px;
  padding: 18px 22px;
  color: var(--warning);
  font-size: 14px;
  margin-bottom: 64px;
}

/* ---------- policy page ---------- */

.policy {
  padding: 40px 0 24px;
}

.policy h1 {
  font-size: clamp(28px, 4.6vw, 38px);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.policy .updated {
  color: var(--text-faint);
  font-size: 14px;
  margin: 8px 0 36px;
}

.policy h2 {
  font-size: 21px;
  font-weight: 650;
  margin: 36px 0 10px;
}

.policy p,
.policy li {
  color: var(--text-dim);
  font-size: 16px;
  margin-bottom: 12px;
}

.policy ul {
  padding-left: 22px;
  margin-bottom: 12px;
}

.policy a {
  color: var(--cyan);
  text-decoration: none;
}

.policy a:hover {
  text-decoration: underline;
  color: var(--cyan-bright);
}

.policy .highlight {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
  margin: 20px 0;
}

/* ---------- footer ---------- */

footer {
  border-top: 1px solid var(--border);
  padding: 28px 0 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  color: var(--text-faint);
  font-size: 14px;
}

footer a {
  color: var(--cyan);
  text-decoration: none;
}

footer a:hover {
  color: var(--cyan-bright);
}

@media (max-width: 560px) {
  .hero {
    padding-top: 48px;
  }
}