:root {
  --bg-deep: #08131f;
  --bg-mid: #10253a;
  --panel: rgba(12, 30, 46, 0.82);
  --line: rgba(255, 255, 255, 0.14);
  --text-main: #e9eff8;
  --text-soft: #adc0d5;
  --accent-hot: #ff6a3d;
  --accent-cool: #26d6bd;
  --accent-gold: #ffc149;
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.42);
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", Tahoma, sans-serif;
  color: var(--text-main);
  background: radial-gradient(circle at 10% 0%, #16324f 0%, var(--bg-deep) 42%),
    linear-gradient(140deg, #08101a 0%, #0d1e30 55%, #0f2840 100%);
}

h1,
h2,
h3 {
  margin: 0 0 0.55rem;
  font-family: "Bricolage Grotesque", "Trebuchet MS", sans-serif;
  line-height: 1.06;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

.version-tag {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 120;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(3, 10, 18, 0.55);
  color: #c9d7e8;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  pointer-events: none;
  backdrop-filter: blur(6px);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
  background: rgba(6, 17, 28, 0.86);
}

.topbar-inner,
.main,
.footer {
  width: min(1020px, 92vw);
  margin: 0 auto;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  padding: 0.9rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  font-weight: 700;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.top-links {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
}

.top-links a {
  text-decoration: none;
  color: var(--text-soft);
  font-weight: 500;
}

.top-links .cta-link {
  color: #0c1b29;
  background: linear-gradient(130deg, var(--accent-cool), #7ff0e0);
  border-radius: 999px;
  padding: 0.5rem 0.95rem;
  font-weight: 700;
}

.main {
  padding: 1.6rem 0 3.2rem;
}

.hero {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: clamp(1.15rem, 2.2vw, 2rem);
  background-image:
    linear-gradient(120deg, rgba(6, 12, 20, 0.86) 10%, rgba(6, 12, 20, 0.66) 52%, rgba(6, 12, 20, 0.82) 100%),
    var(--hero-image, linear-gradient(135deg, #16324f, #11263a));
  background-size: cover;
  background-position: center;
}

.eyebrow {
  display: inline-block;
  color: var(--accent-cool);
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-weight: 700;
  font-size: 0.76rem;
  margin-bottom: 0.8rem;
}

.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  max-width: 20ch;
}

.hero p {
  color: var(--text-soft);
  max-width: 66ch;
}

.hero-actions {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.btn {
  text-decoration: none;
  border-radius: 999px;
  font-weight: 700;
  padding: 0.76rem 1rem;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-hot), #ff9a54);
  color: #09131d;
}

.btn-ghost {
  color: var(--text-main);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.section {
  margin-top: 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  padding: 1rem;
}

.section p {
  color: var(--text-soft);
}

.card-grid {
  margin-top: 0.7rem;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  padding: 0.8rem;
}

.card p {
  color: var(--text-soft);
}

.checklist {
  margin: 0.8rem 0 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.48rem;
  color: var(--text-soft);
}

.faq {
  display: grid;
  gap: 0.65rem;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.72rem 0.82rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
}

.faq p {
  margin-top: 0.45rem;
}

.final-cta {
  background: linear-gradient(135deg, rgba(255, 106, 61, 0.18), rgba(38, 214, 189, 0.16));
}

.footer {
  padding: 0 0 2.4rem;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.footer a {
  color: var(--accent-cool);
  text-decoration: none;
}

@media (max-width: 760px) {
  .topbar-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .top-links {
    justify-content: space-between;
    flex-wrap: wrap;
  }
}