:root {
  color-scheme: dark;
  --bg: #101820;
  --bg-soft: #152129;
  --bg-line: rgba(255, 255, 255, 0.12);
  --text: #f7f5ee;
  --muted: #b8c3bf;
  --soft: #e3ebe6;
  --teal: #43d6c9;
  --teal-soft: rgba(67, 214, 201, 0.16);
  --amber: #f2b35d;
  --paper: #f4efe4;
  --ink: #081014;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    var(--bg);
  background-size: 42px 42px;
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.55;
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px clamp(20px, 4vw, 56px);
  background: rgba(16, 24, 32, 0.76);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.hero-actions,
.form-row,
.footer-links {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 750;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(67, 214, 201, 0.18);
}

.brand-type {
  letter-spacing: 0;
}

.nav-links {
  gap: clamp(14px, 3vw, 34px);
  color: var(--muted);
  font-size: 0.94rem;
}

.nav-links a,
.footer-links a {
  transition: color 160ms ease;
}

.nav-links a:hover,
.footer-links a:hover {
  color: var(--teal);
}

.nav-cta {
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--soft);
  font-weight: 650;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center right;
  z-index: -2;
}

.hero-shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(8, 16, 20, 0.96) 0%, rgba(8, 16, 20, 0.82) 36%, rgba(8, 16, 20, 0.34) 70%, rgba(8, 16, 20, 0.18) 100%),
    linear-gradient(0deg, var(--bg) 0%, rgba(16, 24, 32, 0) 30%);
}

.hero-content {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding-top: 84px;
}

.hero-content > * {
  max-width: 660px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(4rem, 10vw, 8.9rem);
  line-height: 0.86;
  letter-spacing: 0;
  text-wrap: balance;
}

h2 {
  margin-bottom: 0;
  color: var(--text);
  font-size: clamp(2rem, 4vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: 0;
  text-wrap: balance;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.15rem;
  line-height: 1.2;
}

.claim {
  margin-bottom: 18px;
  color: var(--amber);
  font-size: clamp(1.2rem, 2.4vw, 1.7rem);
  font-weight: 720;
}

.intro {
  margin-bottom: 34px;
  color: var(--soft);
  font-size: clamp(1.04rem, 1.7vw, 1.22rem);
}

.wordmark {
  display: grid;
  gap: 0.02em;
  width: fit-content;
}

.wordmark-line {
  position: relative;
  display: block;
  width: fit-content;
  padding-right: 0;
}

.wordmark::before {
  content: "";
  position: absolute;
  width: 0.54em;
  height: 0.54em;
  transform: translate(-0.2em, -0.08em);
  border: 0.08em solid var(--teal);
  border-right: 0;
  border-bottom: 0;
  opacity: 0.95;
}

.wordmark-line.inner {
  padding-left: 0.1em;
}

.wordmark-line.inner::before {
  content: "";
  display: inline-block;
  width: 0.56em;
  height: 0.08em;
  margin-right: 0.12em;
  background: var(--amber);
  transform: translateY(-0.18em);
}

.prompt-card {
  display: grid;
  gap: 6px;
  max-width: 520px;
  margin: 0 0 30px;
  padding: 16px 18px;
  border-left: 3px solid var(--teal);
  background: rgba(8, 16, 20, 0.62);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.prompt-card span {
  color: var(--teal);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.84rem;
}

.prompt-card strong {
  color: var(--paper);
  font-size: 1.02rem;
}

.hero-actions {
  gap: 14px;
  flex-wrap: wrap;
}

.button,
.signup-mail-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.button {
  padding: 13px 20px;
}

.button.primary,
.signup-mail-button {
  background: var(--teal);
  color: var(--ink);
}

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
}

.section {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: clamp(70px, 10vw, 120px) 0;
}

.lead-band {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: clamp(34px, 6vw, 78px);
  align-items: start;
  border-bottom: 1px solid var(--bg-line);
}

.lead-copy p {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  line-height: 1.18;
  text-wrap: balance;
}

.signal-grid {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--bg-line);
  background: var(--bg-line);
}

.signal-grid > div,
.topic-grid article,
.episode-list article,
.social-grid a {
  background: var(--bg-soft);
}

.signal-grid > div {
  padding: 24px;
}

.signal-grid span,
.episode-list span {
  display: block;
  margin-bottom: 10px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.signal-grid strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.signal-grid p,
.topic-grid p,
.episode-list p,
.signup p,
.site-footer p,
.content-stack p {
  color: var(--muted);
}

.signal-grid p,
.topic-grid p,
.episode-list p,
.site-footer p {
  margin-bottom: 0;
}

.split,
.start-panel,
.signup,
.social-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(380px, 1.14fr);
  gap: clamp(36px, 7vw, 86px);
  border-bottom: 1px solid var(--bg-line);
}

.content-stack {
  display: grid;
  gap: 26px;
  align-content: start;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--soft);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 10px;
  height: 10px;
  border: 2px solid var(--teal);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 36px;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--bg-line);
  background: var(--bg-line);
}

.topic-grid article {
  min-height: 240px;
  padding: 26px;
}

.topic-icon {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 28px;
  place-items: center;
  background: rgba(242, 179, 93, 0.15);
  color: var(--amber);
  font-weight: 850;
}

.episode-list {
  display: grid;
  gap: 14px;
}

.episode-list article {
  padding: 24px;
  border: 1px solid var(--bg-line);
}

.social-section {
  align-items: start;
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--bg-line);
  background: var(--bg-line);
}

.social-grid a {
  min-height: 220px;
  padding: 26px;
  transition:
    background 180ms ease,
    transform 180ms ease;
}

.social-grid a:hover {
  background:
    linear-gradient(135deg, rgba(67, 214, 201, 0.12), rgba(242, 179, 93, 0.08)),
    var(--bg-soft);
  transform: translateY(-2px);
}

.social-grid span {
  display: inline-flex;
  margin-bottom: 26px;
  padding: 6px 8px;
  background: rgba(242, 179, 93, 0.15);
  color: var(--amber);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.social-grid strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.social-grid p,
.cookie-note {
  color: var(--muted);
}

.signup {
  align-items: center;
  border-bottom: 0;
}

.signup-form {
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid rgba(67, 214, 201, 0.32);
  background:
    linear-gradient(135deg, rgba(67, 214, 201, 0.1), rgba(242, 179, 93, 0.08)),
    var(--bg-soft);
}

.signup-label {
  display: block;
  margin-bottom: 10px;
  color: var(--soft);
  font-weight: 720;
}

.form-row {
  gap: 10px;
}

.signup-form input {
  width: 100%;
  min-height: 50px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 0;
  background: rgba(8, 16, 20, 0.72);
  color: var(--text);
  font: inherit;
}

.signup-form input:focus {
  border-color: var(--teal);
  outline: 2px solid rgba(67, 214, 201, 0.25);
  outline-offset: 2px;
}

.signup-mail-button {
  width: 100%;
  padding: 0 20px;
}

.form-note {
  margin: 14px 0 0;
  font-size: 0.92rem;
}

.form-note a {
  color: var(--teal);
}

.cookie-note {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--bg-line);
  font-size: 0.95rem;
}

.site-footer {
  width: min(100% - 40px, var(--max));
  margin: 0 auto;
  padding: 38px 0 54px;
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--bg-line);
}

.site-footer p {
  margin-top: 6px;
}

.legal-page {
  min-height: 100vh;
  padding-top: 96px;
}

.legal-page h1 {
  margin-bottom: 28px;
  font-size: clamp(3rem, 8vw, 6rem);
}

.legal-copy {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
}

.legal-copy a {
  color: var(--teal);
}

.footer-links {
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
}

@media (max-width: 900px) {
  .site-header {
    position: absolute;
  }

  .nav-links {
    display: none;
  }

  .hero {
    min-height: 860px;
    align-items: end;
  }

  .hero-shade {
    background:
      linear-gradient(0deg, rgba(8, 16, 20, 0.96) 0%, rgba(8, 16, 20, 0.82) 50%, rgba(8, 16, 20, 0.24) 100%),
      linear-gradient(90deg, rgba(8, 16, 20, 0.54), rgba(8, 16, 20, 0.14));
  }

  .hero-content {
    padding-bottom: 56px;
  }

  .lead-band,
  .split,
  .start-panel,
  .signup,
  .social-section {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 620px) {
  .site-header {
    padding: 14px 18px;
  }

  .brand span:last-child {
    max-width: 150px;
    line-height: 1.08;
  }

  .nav-cta {
    padding: 9px 12px;
  }

  .hero-content,
  .section,
  .site-footer {
    width: min(100% - 32px, var(--max));
  }

  h1 {
    font-size: clamp(3.3rem, 18vw, 5.5rem);
  }

  .topic-grid,
  .social-grid {
    grid-template-columns: 1fr;
  }

  .topic-grid article,
  .social-grid a {
    min-height: 0;
  }

  .form-row,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .signup-mail-button {
    width: 100%;
  }
}