@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&display=swap");

:root {
  --bg: #000000;
  --bg-soft: #060606;
  --panel: #090909;
  --panel-soft: #111111;
  --panel-muted: #151515;
  --border: rgba(255, 255, 255, 0.12);
  --border-strong: rgba(255, 255, 255, 0.22);
  --text: #f4f4f4;
  --muted: #b6b6b6;
  --soft: #8b8b8b;
  --accent: #ffffff;
  --shadow: 0 22px 44px rgba(0, 0, 0, 0.42);
  --radius: 22px;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top center, rgba(255, 255, 255, 0.05), transparent 26rem),
    linear-gradient(180deg, #020202 0%, #000000 48%, #040404 100%);
  line-height: 1.68;
  letter-spacing: -0.01em;
}

::selection {
  background: rgba(255, 255, 255, 0.9);
  color: #050505;
}

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

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

p,
li {
  color: var(--muted);
  font-size: 1rem;
}

strong,
em {
  color: var(--text);
}

h1,
h2,
h3 {
  margin: 0 0 0.85rem;
  color: var(--text);
  line-height: 1.04;
  font-weight: 500;
}

h1 {
  font-size: clamp(3rem, 7vw, 5.8rem);
  letter-spacing: -0.06em;
}

h2 {
  font-size: clamp(2rem, 3.6vw, 3.1rem);
  letter-spacing: -0.05em;
}

h3 {
  font-size: 1.22rem;
  letter-spacing: -0.03em;
}

.site-shell {
  min-height: 100vh;
}

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

.narrow {
  width: min(calc(100% - 2rem), 860px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(0, 0, 0, 0.76);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 84px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.03em;
}

.brand span {
  color: rgba(255, 255, 255, 0.82);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.site-nav a,
.nav-dropdown summary {
  color: var(--muted);
  font-size: 0.98rem;
  letter-spacing: -0.02em;
}

.site-nav a:hover,
.site-nav a[aria-current="page"],
.nav-dropdown summary:hover,
.nav-dropdown.is-current summary,
.nav-dropdown[open] summary {
  color: var(--text);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown summary {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  list-style: none;
}

.nav-dropdown summary::-webkit-details-marker {
  display: none;
}

.nav-dropdown summary::after {
  content: "";
  width: 0.48rem;
  height: 0.48rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  transition: transform 0.18s ease;
}

.nav-dropdown[open] summary::after {
  transform: rotate(225deg) translateY(-1px);
}

.nav-dropdown-panel {
  position: absolute;
  top: calc(100% + 0.8rem);
  left: 0;
  z-index: 30;
  min-width: 260px;
  max-height: min(calc(100vh - 120px), 720px);
  padding: 0.6rem;
  display: grid;
  gap: 0.3rem;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  background: rgba(6, 6, 6, 0.98);
  box-shadow: var(--shadow);
}

.nav-dropdown-panel::-webkit-scrollbar {
  width: 10px;
}

.nav-dropdown-panel::-webkit-scrollbar-track {
  background: transparent;
}

.nav-dropdown-panel::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  background-clip: padding-box;
}

.nav-dropdown-panel a {
  display: block;
  padding: 0.8rem 0.9rem;
  border-radius: 14px;
  color: var(--muted);
  white-space: nowrap;
}

.nav-dropdown-panel a:hover,
.nav-dropdown-panel a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.site-nav .nav-cta {
  min-height: 56px;
  padding: 0.9rem 1.35rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.92);
  background: #f2f2f2;
  color: #0b0b0b;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.35);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  padding: 0;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 6px auto;
  background: var(--text);
}

.hero,
.page-hero {
  position: relative;
  overflow: hidden;
}

.hero::before,
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.08), transparent 26rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 46%);
  pointer-events: none;
}

.hero {
  padding: 7rem 0 4.8rem;
}

.page-hero {
  padding: 5.5rem 0 2.2rem;
}

.hero-grid,
.two-col,
.footer-grid,
.card-grid {
  display: grid;
  gap: 1.5rem;
}

.hero-grid {
  grid-template-columns: 1.3fr 0.7fr;
  align-items: center;
}

.two-col {
  grid-template-columns: 1.18fr 0.82fr;
  align-items: start;
}

.card-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card-grid-compact {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.footer-grid {
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lead {
  max-width: 31ch;
  font-size: 1.18rem;
  color: #d4d4d4;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0 1.4rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0.95rem 1.45rem;
  border-radius: 999px;
  font-weight: 500;
  letter-spacing: -0.03em;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.button:hover,
.quick-link:hover,
.site-nav .nav-cta:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: #f2f2f2;
  color: #0b0b0b;
  box-shadow: var(--shadow);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.8);
  background: transparent;
  color: var(--text);
}

.hero-card,
.info-card,
.cta-card,
.link-card,
.cta-banner,
.quick-panel {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: calc(var(--radius) + 2px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015));
  box-shadow: var(--shadow);
}

.hero-card,
.info-card,
.cta-card,
.link-card {
  padding: 1.45rem;
}

.link-card {
  position: relative;
  cursor: pointer;
}

.hero-card p,
.info-card p,
.cta-card p,
.link-card p {
  margin-bottom: 0;
}

.hero-points,
.list-clean,
.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-points li,
.list-clean li,
.footer-links li {
  position: relative;
  padding-left: 1.15rem;
  margin-bottom: 0.72rem;
}

.hero-points li::before,
.list-clean li::before,
.footer-links li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
}

.mini-links {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.mini-links a,
.text-link,
.link-card a,
.context-note a {
  color: var(--text);
}

.link-card h3 a::after {
  content: "";
  position: absolute;
  inset: 0;
}

.quick-panel {
  padding: 1.6rem;
}

.quick-link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
}

.quick-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  font-weight: 500;
  text-align: center;
}

.prompt-grid,
.step-grid,
.stat-grid {
  display: grid;
  gap: 1rem;
}

.prompt-grid,
.step-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.stat-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.prompt-card,
.step-card,
.stat-card {
  padding: 1.45rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: calc(var(--radius) - 2px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow);
}

.prompt-card p:last-child,
.step-card p:last-child,
.stat-card p:last-child {
  margin-bottom: 0;
}

.prompt-tag,
.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.78);
}

.prompt-tag {
  min-height: 34px;
  padding: 0.45rem 0.8rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.step-index {
  width: 2.1rem;
  height: 2.1rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.prompt-copy {
  margin-top: 1rem;
  padding: 1rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.prompt-copy p,
.prompt-copy li {
  margin: 0;
  color: #dddddd;
  font-size: 0.98rem;
}

.stat-number {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--text);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.feature-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.25rem;
}

.feature-chip {
  padding: 0.8rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  color: #dddddd;
  font-size: 0.96rem;
}

.spaced-block {
  margin-top: 1.25rem;
}

.banner-title {
  margin: 0 0 0.85rem;
  color: var(--text);
  font-size: clamp(2rem, 3.6vw, 3.1rem);
  line-height: 1.04;
  letter-spacing: -0.05em;
  font-weight: 500;
}

.context-note,
.table-note {
  margin-top: 1rem;
  padding-left: 1rem;
  border-left: 2px solid rgba(255, 255, 255, 0.28);
  color: #d6d6d6;
}

.table-wrap {
  overflow-x: auto;
  margin: 1rem 0 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: calc(var(--radius) + 2px);
  background: rgba(255, 255, 255, 0.025);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.comparison-table th,
.comparison-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  vertical-align: top;
}

.comparison-table th {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.04);
}

.comparison-table tr:last-child td {
  border-bottom: 0;
}

.section {
  padding: 1.7rem 0 2rem;
}

.alt-section {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.018), rgba(255, 255, 255, 0));
}

.faq-list {
  display: grid;
  gap: 1rem;
}

.faq-item {
  padding: 1.3rem 1.4rem;
  border-radius: calc(var(--radius) - 2px);
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.02);
}

.faq-item p {
  margin-bottom: 0;
}

.builder-shell {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.2rem;
  align-items: start;
}

.builder-panel,
.builder-result {
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: calc(var(--radius) + 2px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow);
}

.builder-panel p,
.builder-result p {
  margin-top: 0;
}

.builder-form {
  display: grid;
  gap: 0.95rem;
}

.builder-field {
  display: grid;
  gap: 0.45rem;
}

.builder-field span,
.builder-result-label {
  color: var(--text);
  font-size: 0.94rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.builder-field input {
  width: 100%;
  min-height: 52px;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font: inherit;
}

.builder-field input::placeholder,
.builder-output::placeholder {
  color: rgba(255, 255, 255, 0.38);
}

.builder-field input:focus,
.builder-output:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.05);
}

.builder-note,
.copy-feedback {
  color: var(--soft);
  font-size: 0.92rem;
}

.builder-output {
  width: 100%;
  min-height: 220px;
  margin-top: 0.7rem;
  padding: 1rem 1.05rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  color: #f0f0f0;
  font: inherit;
  line-height: 1.6;
  resize: vertical;
}

.builder-actions,
.example-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1rem;
}

.button-small {
  min-height: 48px;
  padding: 0.82rem 1.2rem;
}

.button-soft {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.helper-card {
  margin-top: 1rem;
  padding: 1rem 1.05rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.025);
}

.link-card h3 {
  margin-bottom: 0.65rem;
}

.cta-banner {
  padding: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-footer {
  padding: 3rem 0 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand {
  margin-bottom: 1rem;
}

.footer-copy {
  max-width: 40ch;
}

.site-footer h3 {
  margin-bottom: 0.85rem;
  font-size: 1rem;
}

.footer-links a {
  color: var(--muted);
}

.footer-links a:hover {
  color: var(--text);
}

.footer-bottom {
  padding-top: 1.25rem;
  margin-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

@media (max-width: 900px) {
  .hero-grid,
  .two-col,
  .card-grid,
  .footer-grid,
  .cta-banner,
  .builder-shell {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    display: grid;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 1rem;
    left: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border-radius: calc(var(--radius) + 2px);
    background: rgba(4, 4, 4, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow);
  }

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

  .nav-dropdown {
    width: 100%;
  }

  .nav-dropdown summary {
    justify-content: space-between;
    width: 100%;
  }

  .nav-dropdown-panel {
    position: static;
    min-width: 0;
    margin-top: 0.8rem;
    background: rgba(255, 255, 255, 0.03);
    box-shadow: none;
  }

  .nav-dropdown-panel a {
    white-space: normal;
  }

  .nav-toggle {
    display: inline-block;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 5rem;
  }

  .page-hero {
    padding-top: 4rem;
  }

  h1 {
    font-size: 2.8rem;
  }

  h2 {
    font-size: 1.9rem;
  }

  p,
  li {
    font-size: 0.98rem;
  }

  .lead {
    max-width: none;
    font-size: 1.06rem;
  }

  .button,
  .nav-cta {
    width: 100%;
  }
}