/* GistNode — static marketing site */
:root {
  --ink: #0f1419;
  --ink-muted: #5c6b7a;
  --paper: #faf8f5;
  --paper-2: #f0ebe3;
  --accent: #3d5a80;
  --accent-soft: #e8eef5;
  --highlight: #ee9b00;
  --highlight-soft: #fff4e0;
  --node: #2a6f97;
  --success: #2a6f4e;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(15, 20, 25, 0.08);
  --shadow-hover: 0 12px 40px rgba(15, 20, 25, 0.12);
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-display: "Fraunces", Georgia, serif;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 100;
  padding: 12px 20px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
}

.skip-link:focus {
  top: 16px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 248, 245, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 20, 25, 0.06);
}

.site-header__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.logo__mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  flex-shrink: 0;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(15, 20, 25, 0.12);
}

.logo__mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.nav-main {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-main a {
  color: var(--ink-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
}

.nav-main a:hover,
.nav-main a[aria-current="page"] {
  color: var(--ink);
  background: var(--paper-2);
}

.nav-toggle {
  display: none;
  border: none;
  background: var(--paper-2);
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
}

@media (max-width: 720px) {
  .nav-toggle {
    display: block;
  }

  .nav-main {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 24px 20px;
    background: rgba(250, 248, 245, 0.98);
    border-bottom: 1px solid rgba(15, 20, 25, 0.06);
    display: none;
  }

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

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 8vw, 96px) 24px 80px;
  background: linear-gradient(165deg, #1a2332 0%, #243447 45%, #2a6f97 120%);
  color: #e8eef5;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
      circle at 20% 40%,
      rgba(238, 155, 0, 0.12) 0%,
      transparent 45%
    ),
    radial-gradient(circle at 80% 20%, rgba(61, 90, 128, 0.35) 0%, transparent 40%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--highlight);
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  max-width: 16ch;
}

.hero__lead {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  line-height: 1.6;
  color: rgba(232, 238, 245, 0.85);
  max-width: 42ch;
  margin: 0 0 32px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 10px;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: var(--highlight);
  color: #1a1205;
  box-shadow: 0 4px 20px rgba(238, 155, 0, 0.35);
}

.btn--primary:hover {
  box-shadow: 0 8px 28px rgba(238, 155, 0, 0.45);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn--disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.hero__meta {
  margin-top: 48px;
  display: flex;
  flex-wrap: wrap;
  gap: 28px 40px;
  font-size: 0.875rem;
  color: rgba(232, 238, 245, 0.65);
}

.hero__meta strong {
  display: block;
  color: #fff;
  font-size: 1rem;
  margin-bottom: 4px;
}

/* Sections */
.section {
  padding: clamp(64px, 10vw, 100px) 24px;
}

.section--alt {
  background: var(--paper-2);
}

.section__head {
  max-width: var(--max);
  margin: 0 auto 48px;
  text-align: center;
}

.section__head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

.section__head p {
  margin: 0 auto;
  max-width: 54ch;
  color: var(--ink-muted);
  font-size: 1.0625rem;
}

/* Feature grid */
.grid-features {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.card-feature {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(15, 20, 25, 0.05);
  transition: box-shadow 0.2s, transform 0.2s;
}

.card-feature:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.card-feature__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  margin-bottom: 16px;
  background: var(--accent-soft);
}

.card-feature h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.card-feature p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

.card-feature ul {
  margin: 12px 0 0;
  padding-left: 1.2em;
  font-size: 0.875rem;
  color: var(--ink-muted);
}

.card-feature li {
  margin-bottom: 6px;
}

/* Pill row */
.pill-row {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.pill {
  padding: 8px 16px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid rgba(15, 20, 25, 0.08);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-muted);
}

/* AI pricing strip */
.ai-strip {
  max-width: var(--max);
  margin: 0 auto;
  background: linear-gradient(135deg, #1a2332 0%, #2a4a62 100%);
  color: #e8eef5;
  border-radius: var(--radius-lg);
  padding: 40px clamp(24px, 4vw, 48px);
  display: grid;
  gap: 32px;
  align-items: center;
}

@media (min-width: 768px) {
  .ai-strip {
    grid-template-columns: 1fr 1fr;
  }
}

.ai-strip h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0 0 12px;
}

.ai-strip p {
  margin: 0;
  opacity: 0.88;
  font-size: 0.9375rem;
}

.ai-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.ai-table th,
.ai-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.ai-table th {
  color: var(--highlight);
  font-weight: 600;
}

/* Legal / inner pages */
.page-legal {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.page-legal h1 {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  margin: 0 0 8px;
}

.page-legal .lede {
  color: var(--ink-muted);
  font-size: 1.125rem;
  margin: 0 0 40px;
}

.page-legal h2 {
  font-size: 1.25rem;
  margin: 36px 0 12px;
}

.page-legal p,
.page-legal li {
  color: var(--ink-muted);
  font-size: 0.9375rem;
}

.page-legal ul {
  padding-left: 1.25em;
}

.page-legal .updated {
  font-size: 0.8125rem;
  color: var(--ink-muted);
  margin-bottom: 32px;
}

.page-legal a {
  color: var(--node);
  font-weight: 500;
}

.page-legal a:hover {
  text-decoration: underline;
}

.about-contact {
  margin-top: 20px;
  padding: 22px 26px;
  background: var(--accent-soft);
  border-radius: var(--radius);
  border: 1px solid rgba(42, 111, 151, 0.18);
}

.about-contact a {
  font-size: 1.0625rem;
  font-weight: 700;
}

.pill-wrap {
  max-width: var(--max);
  margin: 48px auto 0;
  padding: 0 24px;
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.72);
  padding: 48px 24px;
  font-size: 0.875rem;
}

.site-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
  align-items: flex-start;
}

.site-footer a {
  color: #fff;
  text-decoration: none;
  opacity: 0.9;
}

.site-footer a:hover {
  opacity: 1;
  text-decoration: underline;
}

.site-footer__links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.site-footer__brand {
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}