:root {
  --bg: #070a12;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.09);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --muted-2: rgba(255, 255, 255, 0.58);
  --brand: #ff6a00;
  --brand-2: #ffb15f;
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.5);
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1120px;
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, Noto Sans, "Helvetica Neue", sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 520px at 18% 10%, rgba(0, 180, 255, 0.14), transparent 60%),
    radial-gradient(760px 520px at 78% 18%, rgba(255, 106, 0, 0.18), transparent 60%),
    linear-gradient(180deg, #070a12 0%, #050712 60%, #040612 100%);
  line-height: 1.55;
}

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(255, 106, 0, 0.7);
  outline-offset: 4px;
  border-radius: 10px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 12px;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
}

.skip:focus {
  left: 12px;
  z-index: 10;
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(6, 10, 18, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: grid;
  gap: 2px;
}

.brand__title {
  font-weight: 760;
  letter-spacing: 0.2px;
}

.brand__subtitle {
  font-size: 12px;
  color: var(--muted-2);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.nav__links a:not(.btn) {
  font-size: 14px;
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 12px;
}

.nav__links a:not(.btn):hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.main {
  padding-bottom: 72px;
}

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px 18px 22px;
}

.hero__grid {
  display: grid;
  gap: 32px;
  align-items: center;
  grid-template-columns: 1.15fr 0.85fr;
}

.eyebrow {
  display: inline-block;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  background: rgba(255, 255, 255, 0.04);
  margin: 0 0 14px;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(36px, 4.3vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.6px;
}

.subtitle {
  margin: 0 0 12px;
  font-size: 18px;
  color: var(--muted);
}

.impact {
  margin: 0 0 14px;
  font-size: 18px;
  color: rgba(255, 177, 95, 0.92);
}

.lead {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  max-width: 64ch;
}

.cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 18px 0 14px;
}

.cta--center {
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: linear-gradient(180deg, rgba(255, 106, 0, 0.95), rgba(255, 106, 0, 0.85));
  color: #0b0f18;
  font-weight: 720;
  letter-spacing: 0.2px;
  box-shadow: 0 14px 32px rgba(255, 106, 0, 0.18);
}

.btn:hover {
  filter: brightness(1.03);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  box-shadow: none;
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.07);
}

.btn--small {
  padding: 10px 13px;
  font-size: 14px;
}

.trust {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 14px;
}

.trust__item {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
}

.trust__kicker {
  display: block;
  font-size: 12px;
  color: var(--muted-2);
  margin-bottom: 4px;
}

.trust__value {
  display: block;
  font-size: 14px;
  color: var(--text);
}

.book {
  margin: 0;
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow);
}

.book__img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.book__caption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted-2);
  text-align: center;
}

.section {
  padding: 50px 18px;
}

.section--alt {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.container {
  max-width: var(--max);
  margin: 0 auto;
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(24px, 2.5vw, 34px);
  letter-spacing: -0.3px;
}

.text {
  margin: 0 0 12px;
  color: var(--muted);
  max-width: 78ch;
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}

.card {
  padding: 16px 16px 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  letter-spacing: -0.1px;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.quote {
  padding: 22px 20px;
  border-radius: var(--radius);
  background:
    radial-gradient(680px 220px at 30% 0%, rgba(255, 106, 0, 0.16), transparent 60%),
    rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.quote p {
  margin: 0 0 10px;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
}

.quote__by {
  display: inline-block;
  color: var(--muted-2);
  font-size: 14px;
}

.faq {
  max-width: 78ch;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  margin-bottom: 12px;
}

.faq summary {
  cursor: pointer;
  font-weight: 650;
}

.faq p {
  margin: 10px 0 0;
  color: var(--muted);
}

.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.2);
}

.footer__grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 26px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer__brand {
  font-weight: 760;
}

.footer__meta {
  color: var(--muted-2);
  font-size: 13px;
  margin-top: 4px;
}

.footer__links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.footer__links a {
  color: var(--muted);
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 12px;
}

.footer__links a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

@media (max-width: 980px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }

  .trust {
    grid-template-columns: 1fr;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto;
    transition: none !important;
    animation: none !important;
  }
}