:root {
  --bg: #07070a;
  --bg2: #0c0c12;
  --surface: rgba(255, 255, 255, 0.06);
  --surface2: rgba(255, 255, 255, 0.09);
  --border: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --soft: rgba(255, 255, 255, 0.55);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
  --radius: 18px;
  --max: 1120px;

  --accent: #ff2c2c;
  --accent2: #ff6b2c;
  --ring: 0 0 0 4px rgba(255, 44, 44, 0.25);
}

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

html {
  scroll-behavior: smooth;
}

body {
  color-scheme: dark;
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  line-height: 1.55;
  color: var(--text);
  background: radial-gradient(1200px 600px at 15% 10%, rgba(255, 44, 44, 0.18), transparent 60%),
    radial-gradient(900px 500px at 80% 0%, rgba(255, 107, 44, 0.12), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover {
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.35);
  text-underline-offset: 0.22em;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.95em;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  background: var(--bg2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.5rem 0.75rem;
  transform: translateY(-160%);
  transition: transform 160ms ease;
  z-index: 9999;
}

.skip-link:focus {
  transform: translateY(0);
  outline: none;
  box-shadow: var(--ring);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 10, 14, 0.55);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 0;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 5px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 6px rgba(255, 44, 44, 0.12);
}

.brand-text {
  font-weight: 750;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-weight: 600;
  color: var(--muted);
}

.nav-links a {
  padding: 0.4rem 0.5rem;
  border-radius: 10px;
}

.nav-links a:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 0.55rem 0.7rem;
}

.nav-toggle:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

.nav-toggle-lines {
  display: inline-block;
  width: 18px;
  height: 12px;
  position: relative;
}

.nav-toggle-lines::before,
.nav-toggle-lines::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}

.nav-toggle-lines::before {
  top: 1px;
}

.nav-toggle-lines::after {
  bottom: 1px;
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-links {
    position: absolute;
    right: 1rem;
    top: calc(100% + 0.5rem);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    padding: 0.6rem;
    width: min(240px, calc(100vw - 2rem));
    border: 1px solid var(--border);
    background: rgba(10, 10, 14, 0.88);
    border-radius: 14px;
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    width: 100%;
  }
}

.hero {
  padding: 3.2rem 0 2.4rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
}

.kicker {
  display: inline-block;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 0.8rem;
}

.lede {
  font-size: 1.08rem;
  color: var(--muted);
  margin: 0 0 1.25rem;
  max-width: 58ch;
}

.cta-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 1.2rem 0 1.2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: 999px;
  padding: 0.72rem 1.05rem;
  font-weight: 700;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: white;
  box-shadow: 0 14px 30px rgba(255, 44, 44, 0.22);
}

.btn-primary:hover {
  text-decoration: none;
  filter: brightness(1.03);
}

.btn-ghost {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  text-decoration: none;
  background: var(--surface2);
}

.meta {
  list-style: none;
  padding: 0;
  margin: 0.9rem 0 0;
  display: grid;
  gap: 0.45rem;
  color: var(--soft);
  font-weight: 600;
}

.meta-dot {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  margin-right: 0.6rem;
  box-shadow: 0 0 0 4px rgba(255, 44, 44, 0.12);
  transform: translateY(1px);
}

.hero-cover {
  margin: 0;
  justify-self: end;
  width: min(420px, 100%);
}

@media (max-width: 900px) {
  .hero-cover {
    justify-self: start;
  }
}

.hero-cover img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.author-figure {
  margin: 0.85rem 0 0;
}

.author-figure img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow);
  filter: grayscale(1) contrast(1.08);
}

.section {
  padding: 3.2rem 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), 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);
}

.section-head {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1.4rem;
  max-width: 72ch;
}

h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.05rem);
  letter-spacing: -0.02em;
  margin: 0;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 900px) {
  .grid.two,
  .grid.three {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem 1.15rem;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.card h3 {
  margin: 0 0 0.55rem;
  letter-spacing: -0.01em;
}

.card p {
  margin: 0.55rem 0;
  color: var(--muted);
}

.bullets {
  margin: 0.65rem 0 0;
  padding-left: 1.25rem;
  color: var(--muted);
}

.bullets li {
  margin: 0.3rem 0;
}

.buy {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.buy-label {
  margin: 0 0 0.6rem;
  font-weight: 750;
  color: var(--text);
}

.buy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  padding: 0.5rem 0.75rem;
  font-weight: 700;
}

.pill[aria-disabled="true"] {
  opacity: 0.65;
  cursor: not-allowed;
  text-decoration: none;
}

.pullquote {
  margin-top: 1.15rem;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 44, 44, 0.22);
  background: radial-gradient(700px 260px at 10% 20%, rgba(255, 44, 44, 0.18), transparent 60%),
    rgba(255, 255, 255, 0.03);
  padding: 1rem 1.1rem;
}

.pullquote p {
  margin: 0;
  font-weight: 720;
  letter-spacing: -0.01em;
}

.fineprint {
  color: var(--soft);
  font-size: 0.92rem;
}

.form {
  display: grid;
  gap: 0.75rem;
}

label span {
  display: block;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

input,
textarea {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  padding: 0.7rem 0.8rem;
  font: inherit;
}

input:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

.hr {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin: 1.2rem 0;
}

.social {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.social a {
  border-bottom: 1px dashed rgba(255, 255, 255, 0.22);
}

.social a[aria-disabled="true"] {
  opacity: 0.65;
  cursor: not-allowed;
  text-decoration: none;
}

.site-footer {
  padding: 1.5rem 0 2.4rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.1rem;
}

.footer-inner p {
  margin: 0.35rem 0;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}