:root {
  --bg-color-l1: #1a1a2c;
  --bg-color-l2: #22224b;
  --bg-color-l3: #3c3775;
  --dark-bg: var(--bg-color-l2);
  --line: #4c4380;
  --sheet: #3c3775;
  --pop-bg: linear-gradient(180deg, #fb8466 0%, #bd5bd4 33%, #7473fa 66%, #53b2fa 100%);
  --orange: #fd8654;
  --accent: #7fadd1;
  --text: #f6f4ff;
  --muted: #c5c2e5;
  --white-soft: #f4f7ff;
  --max-width: 1140px;
  --shadow: 0 24px 60px rgba(10, 10, 30, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", Verdana, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(125, 173, 209, 0.22), transparent 22%),
    radial-gradient(circle at left center, rgba(251, 132, 102, 0.18), transparent 30%),
    linear-gradient(180deg, var(--bg-color-l1) 0%, var(--bg-color-l2) 46%, #151426 100%);
  line-height: 1.6;
}

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

.container {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(26, 26, 44, 0.84);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(125, 173, 209, 0.16);
}

.topbar,
.nav,
.hero-grid,
.cards,
.two-col,
.faq-grid,
.cta-box,
.footer-grid,
.cta-row,
.tag-row,
.link-grid,
.button-grid {
  display: flex;
  gap: 1rem;
}

.topbar,
.cta-box,
.footer-grid {
  justify-content: space-between;
  align-items: center;
}

.topbar {
  padding: 1rem 0;
}

.brand {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--white-soft);
}

.nav {
  flex-wrap: wrap;
}

.nav a,
.site-footer a {
  color: var(--muted);
}

.nav a:hover,
.site-footer a:hover {
  color: var(--orange);
}

.hero {
  padding: 5.5rem 0 3rem;
}

.hero-grid,
.two-col {
  align-items: start;
}

.hero-grid > *,
.two-col > * {
  flex: 1 1 0;
}

.eyebrow,
.section-tag {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

h1,
h2,
h3 {
  line-height: 1.1;
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4.7rem);
  max-width: 13ch;
}

h2 {
  font-size: clamp(1.7rem, 2.5vw, 2.4rem);
}

.lead {
  max-width: 62ch;
  font-size: 1.08rem;
  color: var(--muted);
}

.button {
  display: inline-block;
  padding: 0.9rem 1.15rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition: transform 0.2s ease, background 0.2s ease;
  font-weight: 700;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--pop-bg);
  color: #fff;
  border: 0;
}

.button.primary:hover {
  filter: brightness(1.05);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--white-soft);
}

.hero-card,
.card,
.faq-item,
.checklist,
.page-shell {
  background: linear-gradient(180deg, rgba(60, 55, 117, 0.92), rgba(34, 34, 75, 0.96));
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-card,
.card,
.faq-item,
.page-shell {
  padding: 1.5rem;
}

.cards,
.faq-grid,
.tag-row,
.link-grid,
.button-grid {
  flex-wrap: wrap;
}

.card,
.faq-item,
.link-grid a {
  flex: 1 1 240px;
}

.section {
  padding: 2rem 0 3rem;
}

.section.alt {
  background: rgba(255, 255, 255, 0.02);
}

ol,
ul {
  padding-left: 1.25rem;
  margin: 0;
}

.checklist {
  padding: 1rem;
}

.checklist div {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.checklist div:last-child {
  border-bottom: 0;
}

.cta-band {
  padding-bottom: 5rem;
}

.cta-box {
  background: linear-gradient(135deg, rgba(251, 132, 102, 0.2), rgba(116, 115, 250, 0.24)), var(--dark-bg);
  color: #fff;
  border-radius: 30px;
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid rgba(125, 173, 209, 0.12);
}

.footer-grid {
  align-items: start;
}

.footer-grid div {
  display: grid;
  gap: 0.6rem;
}

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

.page-main {
  padding: 4rem 0;
}

.page-shell {
  max-width: 820px;
  margin: 0 auto;
}

.tag {
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  background: rgba(127, 173, 209, 0.14);
  color: var(--white-soft);
  border: 1px solid rgba(127, 173, 209, 0.22);
  font-size: 0.92rem;
}

.mini-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.link-grid a {
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.link-grid a strong {
  display: block;
  color: var(--white-soft);
  margin-bottom: 0.25rem;
}

.button-grid .button {
  min-width: 180px;
  text-align: center;
}

.warn-box {
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: rgba(251, 132, 102, 0.08);
  border: 1px solid rgba(251, 132, 102, 0.2);
  margin-bottom: 1rem;
}

@media (max-width: 800px) {
  .topbar,
  .hero-grid,
  .two-col,
  .cta-box,
  .footer-grid {
    flex-direction: column;
  }

  .hero {
    padding-top: 4rem;
  }

  .nav {
    gap: 0.75rem;
  }
}