* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(900px 500px at 50% -10%, rgba(56, 166, 245, 0.08), transparent 70%),
    radial-gradient(700px 400px at 85% 30%, rgba(62, 207, 142, 0.04), transparent 70%);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--s3) var(--s4);
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(10, 14, 20, 0.8);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text);
  text-decoration: none;
}
.wordmark span { color: var(--accent); }
.wordmark-badge { display: block; }

.btn {
  display: inline-block;
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 11px 20px;
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: border-color 140ms ease, background 140ms ease, transform 140ms ease, box-shadow 140ms ease;
}
.btn:hover { border-color: var(--accent-dim); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35); }
.btn-primary {
  background: linear-gradient(180deg, var(--accent), var(--accent-dim));
  border-color: var(--accent);
  color: #06121d;
  box-shadow: 0 4px 18px rgba(56, 166, 245, 0.25);
}
.btn-primary:hover { box-shadow: 0 8px 28px rgba(56, 166, 245, 0.4); }
.btn-ghost { background: transparent; }

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

.hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--s6) * 1.25) var(--s4) var(--s6);
  max-width: 1080px;
  margin: 0 auto;
  text-align: center;
}

/* perspective grid floor, pure CSS */
.hero-grid {
  position: absolute;
  inset: auto -20% -35% -20%;
  height: 60%;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  transform: perspective(600px) rotateX(62deg);
  mask-image: linear-gradient(to top, rgba(0, 0, 0, 0.5), transparent 85%);
  animation: grid-drift 14s linear infinite;
  pointer-events: none;
}

@keyframes grid-drift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 0 48px, 0 0; }
}

.hero-badge {
  position: relative;
  display: inline-block;
  margin-bottom: var(--s4);
  animation: badge-drop 800ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.hero-badge img {
  display: block;
  filter: drop-shadow(0 0 24px rgba(56, 166, 245, 0.45));
  animation: badge-float 5s ease-in-out 1s infinite;
}

@keyframes badge-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.hero-badge-ring {
  position: absolute;
  inset: -14px;
  border: 1px solid var(--accent-dim);
  border-radius: 24px;
  opacity: 0.5;
  animation: ring-pulse 2.6s ease-out infinite;
  pointer-events: none;
}

@keyframes badge-drop {
  from { opacity: 0; transform: translateY(-16px) scale(0.85); }
  to { opacity: 1; transform: none; }
}

@keyframes ring-pulse {
  0% { transform: scale(0.9); opacity: 0.55; }
  70% { transform: scale(1.18); opacity: 0; }
  100% { transform: scale(1.18); opacity: 0; }
}

.hero-title {
  font-size: clamp(38px, 7vw, 72px);
  line-height: 1.05;
  margin: 0 0 var(--s3);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-title .line {
  display: block;
  opacity: 0;
  transform: translateY(0.6em);
  animation: line-rise 700ms cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
}
.hero-title .line[data-line="2"] { animation-delay: 180ms; }
.line-accent { color: var(--accent); text-shadow: 0 0 48px rgba(56, 166, 245, 0.35); }

@keyframes line-rise {
  to { opacity: 1; transform: translateY(0); }
}

.hero-sub {
  max-width: 580px;
  margin: 0 auto var(--s4);
  color: var(--text-muted);
  font-size: 17px;
}

.hero-cta { display: flex; gap: var(--s2); justify-content: center; margin-bottom: var(--s5); }

/* reveal-on-load / reveal-on-scroll */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 600ms ease, transform 600ms cubic-bezier(0.2, 0.7, 0.2, 1);
}
[data-reveal].in { opacity: 1; transform: none; }

/* ---- live count ---- */

.count-card {
  display: inline-block;
  padding: var(--s3) var(--s5);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid rgba(62, 207, 142, 0.35);
  border-radius: var(--radius);
  box-shadow: var(--shadow), 0 0 40px rgba(62, 207, 142, 0.08);
  position: relative;
}
.count-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(120deg, rgba(62, 207, 142, 0.5), transparent 40%, transparent 60%, rgba(56, 166, 245, 0.5));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.count-num {
  font-family: var(--font-mono);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  color: var(--ok);
  text-shadow: 0 0 32px rgba(62, 207, 142, 0.35);
  font-variant-numeric: tabular-nums;
}

.count-label {
  color: var(--text-muted);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ---- how ---- */

.how {
  max-width: 1080px;
  margin: 0 auto;
  padding: var(--s6) var(--s4);
}

.how h2 {
  font-size: 28px;
  margin: 0 0 var(--s4);
  position: relative;
  display: inline-block;
}
.how h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 44px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--ok));
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s3);
}

.how-card {
  position: relative;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--s4);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
  overflow: hidden;
}
.how-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 160ms ease;
}
.how-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}
.how-card:hover::after { opacity: 1; }

.how-num {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.how-card h3 { margin: var(--s2) 0; font-size: 18px; }
.how-card p { margin: 0; color: var(--text-muted); font-size: 14.5px; }

.how-fine { color: var(--text-faint); font-size: 13.5px; margin-top: var(--s4); }
.how-fine a { color: var(--text-muted); }

/* ---- get ---- */

.get { max-width: 1080px; margin: 0 auto; padding: 0 var(--s4) var(--s6); }

.get-card {
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--s5);
  text-align: center;
}

.get-card h2 { margin: 0 0 var(--s3); font-size: 26px; }
.get-card p { max-width: 620px; margin: 0 auto var(--s3); color: var(--text-muted); }
.get-contact { color: var(--text); }

/* ---- faq ---- */

.faq {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 var(--s4) var(--s6);
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--s5);
  align-items: start;
}

.faq-side { position: sticky; top: 88px; }
.faq-side h2 {
  font-size: 28px;
  margin: 0 0 var(--s2);
  letter-spacing: -0.01em;
  display: inline-block;
  border-bottom: 2px solid var(--accent);
  padding-bottom: var(--s1);
}
.faq-side .muted { color: var(--text-muted); font-size: 14.5px; margin: var(--s2) 0 0; }

.faq-list { display: flex; flex-direction: column; gap: var(--s2); }

.faq-item {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line);
  border-left: 2px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color 160ms ease;
}
.faq-item:hover { border-color: var(--accent-dim); }
.faq-item[open] { border-left-color: var(--accent); }

.faq-item summary {
  display: flex;
  align-items: center;
  gap: var(--s3);
  list-style: none;
  cursor: pointer;
  padding: var(--s3) var(--s4);
  font-weight: 600;
  font-size: 15px;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }

.faq-num {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 12.5px;
  font-weight: 700;
  flex: none;
}

.faq-chev {
  margin-left: auto;
  flex: none;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--text-faint);
  border-bottom: 2px solid var(--text-faint);
  transform: rotate(45deg);
  transition: transform 180ms ease, border-color 180ms ease;
}
.faq-item[open] .faq-chev { transform: rotate(225deg); border-color: var(--accent); }

.faq-body { padding: 0 var(--s4) var(--s3) calc(var(--s4) + 12.5px + var(--s3)); }
.faq-body p { margin: 0; color: var(--text-muted); font-size: 14.5px; }

.faq-item[open] .faq-body { animation: faq-open 220ms ease; }

@keyframes faq-open {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}

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

.foot {
  border-top: 1px solid var(--line);
  padding: var(--s4);
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}
.foot a { color: var(--text-muted); }
.foot-fine { color: var(--text-faint); font-size: 12.5px; }

@media (max-width: 760px) {
  .how-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-wrap: wrap; }
  .faq { grid-template-columns: 1fr; gap: var(--s3); }
  .faq-side { position: static; }
}