/*
 * Nolen brand kit
 *
 * Include this stylesheet once, then use the nolen-* classes in
 * nolen-brand.html as a portable starting point. All custom properties and
 * selectors are namespaced so the kit can coexist with another design system.
 */

:root {
  --nolen-teal: #00ccaa;
  --nolen-teal-deep: #009980;
  --nolen-teal-soft: #66ddcc;
  --nolen-teal-neon: #00ffd0;
  --nolen-teal-tint: #e6faf7;
  --nolen-violet: #7b61ff;
  --nolen-violet-light: #b8a9ff;
  --nolen-violet-tint: #eef0ff;
  --nolen-coral: #ff6b6b;
  --nolen-coral-light: #ffb3b3;
  --nolen-coral-tint: #fff0f0;
  --nolen-sand: #e8ddd0;
  --nolen-cream: #f5f0e8;
  --nolen-charcoal: #2b2b38;
  --nolen-dark: #1e1e2a;
  --nolen-text: #2b2b38;
  --nolen-text-muted: #475569;
  --nolen-text-subtle: #6b7280;
  --nolen-border: #e5e7eb;
  --nolen-surface-muted: #f9fafb;
  --nolen-white: #ffffff;

  --nolen-font: "Nunito", Arial, sans-serif;
  --nolen-radius-sm: 6px;
  --nolen-radius-input: 8px;
  --nolen-radius: 12px;
  --nolen-radius-lg: 16px;
  --nolen-radius-pill: 999px;
  --nolen-shadow-sm: 0 4px 16px rgba(43, 43, 56, 0.1);
  --nolen-shadow-md: 0 12px 32px rgba(43, 43, 56, 0.14);

  --nolen-space-1: 4px;
  --nolen-space-2: 8px;
  --nolen-space-3: 12px;
  --nolen-space-4: 16px;
  --nolen-space-5: 20px;
  --nolen-space-6: 24px;
  --nolen-space-8: 32px;
  --nolen-space-10: 40px;
  --nolen-space-12: 48px;
  --nolen-space-16: 64px;
}

body.nolen-brand-page {
  margin: 0;
  background: var(--nolen-white);
}

.nolen-brand,
.nolen-brand * {
  box-sizing: border-box;
}

.nolen-brand {
  color: var(--nolen-text);
  background: var(--nolen-white);
  font-family: var(--nolen-font);
  font-size: 16px;
  line-height: 1.6;
}

.nolen-brand a {
  color: inherit;
}

.nolen-brand button,
.nolen-brand input,
.nolen-brand textarea,
.nolen-brand select {
  font: inherit;
}

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

.nolen-brand :focus-visible {
  outline: 3px solid var(--nolen-teal);
  outline-offset: 3px;
}

.nolen-page {
  width: min(100%, 1200px);
  margin: 0 auto;
  padding: 0 var(--nolen-space-6);
}

.nolen-section {
  padding: 88px 0;
}

.nolen-section + .nolen-section {
  border-top: 1px solid var(--nolen-border);
}

.nolen-section--muted {
  background: var(--nolen-surface-muted);
}

.nolen-section--cream {
  background: var(--nolen-cream);
}

.nolen-section__header {
  max-width: 680px;
  margin-bottom: var(--nolen-space-10);
}

.nolen-section__header--flush {
  margin-bottom: 0;
}

.nolen-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--nolen-space-2);
  margin: 0 0 var(--nolen-space-3);
  color: var(--nolen-teal);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.5;
  text-transform: uppercase;
}

.nolen-title,
.nolen-heading,
.nolen-subheading,
.nolen-card__title {
  margin: 0;
  color: var(--nolen-charcoal);
}

.nolen-title {
  max-width: 800px;
  font-size: 48px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.1;
}

.nolen-heading {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.2;
}

.nolen-subheading {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.35;
}

.nolen-lead {
  max-width: 680px;
  margin: var(--nolen-space-4) 0 0;
  color: var(--nolen-text-muted);
  font-size: 20px;
  font-weight: 300;
  line-height: 1.5;
}

.nolen-copy {
  margin: var(--nolen-space-3) 0 0;
  color: var(--nolen-text-muted);
}

.nolen-copy--small {
  font-size: 14px;
  line-height: 1.5;
}

.nolen-text-teal {
  color: var(--nolen-teal);
}

.nolen-stack {
  display: flex;
  flex-direction: column;
  gap: var(--nolen-space-4);
}

.nolen-stack--sm {
  gap: var(--nolen-space-2);
}

.nolen-stack--lg {
  gap: var(--nolen-space-8);
}

.nolen-cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--nolen-space-3);
}

.nolen-margin-top {
  margin-top: var(--nolen-space-6);
}

.nolen-margin-top--lg {
  margin-top: var(--nolen-space-8);
}

.nolen-grid {
  display: grid;
  gap: var(--nolen-space-4);
}

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

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

.nolen-grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.nolen-nav {
  display: flex;
  align-items: center;
  min-height: 64px;
  gap: var(--nolen-space-6);
  padding: 0 var(--nolen-space-8);
  background: var(--nolen-charcoal);
  color: var(--nolen-white);
}

.nolen-nav__brand {
  display: inline-flex;
  flex-shrink: 0;
}

.nolen-nav__logo {
  width: auto;
  height: 24px;
}

.nolen-nav__links {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--nolen-space-6);
}

.nolen-nav__link {
  position: relative;
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
}

.nolen-nav__link:hover,
.nolen-nav__link--active {
  color: var(--nolen-teal);
}

.nolen-nav__link--active::after {
  position: absolute;
  right: 0;
  bottom: -6px;
  left: 0;
  height: 2px;
  border-radius: 1px;
  background: var(--nolen-teal);
  content: "";
}

.nolen-hero {
  padding: 96px 0 104px;
}

.nolen-hero__content {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  align-items: end;
  gap: var(--nolen-space-12);
}

.nolen-hero__actions {
  margin-top: var(--nolen-space-8);
}

.nolen-hero__note {
  padding: var(--nolen-space-6);
  border: 1px solid #cceee8;
  border-radius: var(--nolen-radius);
  background: var(--nolen-teal-tint);
}

.nolen-hero__note strong {
  display: block;
  margin-bottom: var(--nolen-space-2);
  color: var(--nolen-charcoal);
}

.nolen-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: var(--nolen-space-2);
  border: 2px solid transparent;
  border-radius: var(--nolen-radius);
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  padding: 10px 22px;
  text-align: center;
  text-decoration: none;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease, transform 150ms ease;
}

.nolen-button:hover {
  transform: translateY(-1px);
}

.nolen-button--primary {
  border-color: var(--nolen-teal);
  background: var(--nolen-teal);
  color: var(--nolen-white);
}

.nolen-button--primary:hover {
  border-color: var(--nolen-teal-deep);
  background: var(--nolen-teal-deep);
}

.nolen-button--secondary {
  border-color: var(--nolen-teal);
  background: transparent;
  color: var(--nolen-teal);
}

.nolen-button--secondary:hover {
  background: var(--nolen-teal-tint);
}

.nolen-button--ghost {
  min-height: auto;
  padding: 4px 0;
  color: var(--nolen-charcoal);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 4px;
}

.nolen-button--ghost:hover {
  color: var(--nolen-charcoal);
  text-decoration-color: var(--nolen-teal);
}

.nolen-button--ghost-light {
  color: var(--nolen-white);
}

.nolen-button--small {
  min-height: 36px;
  padding: 7px 14px;
  font-size: 14px;
}

.nolen-badge {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: var(--nolen-radius-pill);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
  padding: 4px 10px;
}

.nolen-badge--teal {
  background: var(--nolen-teal-tint);
  color: var(--nolen-teal-deep);
}

.nolen-badge--violet {
  background: var(--nolen-violet-tint);
  color: var(--nolen-violet);
}

.nolen-badge--coral {
  background: var(--nolen-coral-tint);
  color: var(--nolen-coral);
}

.nolen-badge--sand {
  background: var(--nolen-sand);
  color: var(--nolen-charcoal);
}

.nolen-badge--outline {
  border: 1px solid currentColor;
  background: transparent;
}

.nolen-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  gap: var(--nolen-space-4);
  border: 1px solid var(--nolen-border);
  border-radius: var(--nolen-radius);
  background: var(--nolen-white);
  padding: var(--nolen-space-6);
}

.nolen-card__icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: var(--nolen-radius-input);
  background: var(--nolen-teal-tint);
  color: var(--nolen-teal);
  font-size: 20px;
  font-weight: 700;
}

.nolen-card__title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
}

.nolen-card__copy {
  margin: 0;
  color: var(--nolen-text-muted);
  font-size: 15px;
  line-height: 1.6;
}

.nolen-card__link {
  margin-top: auto;
  color: var(--nolen-teal);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.nolen-card__link:hover {
  color: var(--nolen-teal-deep);
  text-decoration: underline;
}

.nolen-card--teal {
  border-color: var(--nolen-teal);
  background: var(--nolen-teal-tint);
}

.nolen-card--violet {
  border-color: var(--nolen-violet);
  background: var(--nolen-violet-tint);
}

.nolen-card--violet .nolen-card__icon {
  background: rgba(123, 97, 255, 0.14);
  color: var(--nolen-violet);
}

.nolen-card--coral {
  border-color: var(--nolen-coral);
  background: var(--nolen-coral-tint);
}

.nolen-card--coral .nolen-card__icon {
  background: rgba(255, 107, 107, 0.14);
  color: var(--nolen-coral);
}

.nolen-card--sand {
  border-color: #d4c4b0;
  background: var(--nolen-sand);
}

.nolen-card--cream {
  border-color: #e0d8cc;
  background: var(--nolen-cream);
}

.nolen-card--charcoal {
  border-color: #3d3d4e;
  background: var(--nolen-charcoal);
}

.nolen-card--charcoal .nolen-card__title {
  color: var(--nolen-white);
}

.nolen-card--charcoal .nolen-card__copy {
  color: rgba(255, 255, 255, 0.7);
}

.nolen-card--charcoal .nolen-card__icon {
  background: rgba(0, 204, 170, 0.16);
  color: var(--nolen-teal);
}

.nolen-token-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--nolen-space-3);
}

.nolen-token {
  overflow: hidden;
  border: 1px solid var(--nolen-border);
  border-radius: var(--nolen-radius);
  background: var(--nolen-white);
}

.nolen-token__swatch {
  height: 76px;
  border-bottom: 1px solid var(--nolen-border);
}

.nolen-token__meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--nolen-space-3);
}

.nolen-token__name {
  color: var(--nolen-charcoal);
  font-size: 13px;
  font-weight: 700;
}

.nolen-token__value {
  color: var(--nolen-text-subtle);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.nolen-swatch--teal { background: var(--nolen-teal); }
.nolen-swatch--charcoal { background: var(--nolen-charcoal); }
.nolen-swatch--cream { background: var(--nolen-cream); }
.nolen-swatch--violet { background: var(--nolen-violet); }
.nolen-swatch--coral { background: var(--nolen-coral); }
.nolen-swatch--sand { background: var(--nolen-sand); }
.nolen-swatch--white { background: var(--nolen-white); }
.nolen-swatch--border { background: var(--nolen-border); }

.nolen-callout {
  border-left: 3px solid var(--nolen-teal);
  border-radius: 0 var(--nolen-radius-input) var(--nolen-radius-input) 0;
  background: var(--nolen-cream);
  color: var(--nolen-charcoal);
  padding: var(--nolen-space-4) var(--nolen-space-5);
}

.nolen-callout p {
  margin: 0;
}

.nolen-callout strong {
  font-weight: 700;
}

.nolen-rules {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--nolen-space-3);
}

.nolen-rule {
  padding: var(--nolen-space-5);
  border-radius: var(--nolen-radius);
}

.nolen-rule--do {
  border: 1px solid #b3eae0;
  background: var(--nolen-teal-tint);
}

.nolen-rule--dont {
  border: 1px solid #ffd0d0;
  background: var(--nolen-coral-tint);
}

.nolen-rule__label {
  display: block;
  margin-bottom: var(--nolen-space-2);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nolen-rule--do .nolen-rule__label { color: var(--nolen-teal-deep); }
.nolen-rule--dont .nolen-rule__label { color: var(--nolen-coral); }

.nolen-rule p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
}

.nolen-cta {
  padding: var(--nolen-space-16) 56px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--nolen-teal) 0%, var(--nolen-violet) 100%);
  color: var(--nolen-white);
  text-align: center;
}

.nolen-cta__title {
  max-width: 680px;
  margin: 0 auto;
  color: var(--nolen-white);
  font-size: 36px;
  font-weight: 700;
  line-height: 1.2;
}

.nolen-cta__copy {
  max-width: 580px;
  margin: var(--nolen-space-4) auto var(--nolen-space-8);
  color: rgba(255, 255, 255, 0.85);
  font-size: 18px;
}

.nolen-cta .nolen-button--primary {
  border-color: var(--nolen-teal);
  background: var(--nolen-teal);
}

.nolen-cta .nolen-button--primary:hover {
  border-color: var(--nolen-teal-deep);
  background: var(--nolen-teal-deep);
}

.nolen-form {
  display: grid;
  gap: var(--nolen-space-4);
  padding: var(--nolen-space-6);
  border: 1px solid var(--nolen-border);
  border-radius: var(--nolen-radius);
  background: var(--nolen-white);
}

.nolen-field {
  display: grid;
  gap: var(--nolen-space-2);
}

.nolen-field__label {
  color: var(--nolen-charcoal);
  font-size: 14px;
  font-weight: 700;
}

.nolen-field__input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--nolen-border);
  border-radius: var(--nolen-radius-input);
  background: var(--nolen-white);
  color: var(--nolen-charcoal);
  padding: 10px 12px;
}

.nolen-field__input::placeholder {
  color: var(--nolen-text-subtle);
}

.nolen-field__input:hover {
  border-color: var(--nolen-teal-soft);
}

.nolen-field__input:focus {
  border-color: var(--nolen-teal);
  outline: none;
}

.nolen-chat {
  overflow: hidden;
  border: 1px solid var(--nolen-border);
  border-radius: var(--nolen-radius);
  background: var(--nolen-surface-muted);
}

.nolen-chat__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--nolen-charcoal);
  color: var(--nolen-white);
}

.nolen-chat__brand {
  font-size: 18px;
  font-weight: 600;
}

.nolen-chat__status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 600;
}

.nolen-chat__status::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--nolen-teal);
  box-shadow: 0 0 0 3px rgba(0, 204, 170, 0.24);
  content: "";
}

.nolen-chat__body {
  display: flex;
  min-height: 240px;
  flex-direction: column;
  gap: var(--nolen-space-3);
  padding: var(--nolen-space-5);
}

.nolen-message {
  max-width: min(80%, 440px);
  margin: 0;
  padding: 10px 14px;
  border-radius: var(--nolen-radius);
  font-size: 14px;
  line-height: 1.45;
}

.nolen-message--agent {
  border: 1px solid var(--nolen-border);
  background: var(--nolen-white);
  color: var(--nolen-charcoal);
}

.nolen-message--user {
  align-self: flex-end;
  background: linear-gradient(135deg, #ded7ff 0%, #c9bfff 100%);
  color: var(--nolen-charcoal);
}

.nolen-chat__composer {
  display: flex;
  gap: var(--nolen-space-2);
  padding: var(--nolen-space-4);
  border-top: 1px solid var(--nolen-border);
  background: var(--nolen-white);
}

.nolen-chat__composer input {
  min-width: 0;
  flex: 1;
}

.nolen-footer {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) repeat(3, minmax(120px, 0.6fr));
  gap: var(--nolen-space-8);
  padding: 56px var(--nolen-space-8) var(--nolen-space-8);
  background: var(--nolen-charcoal);
  color: var(--nolen-white);
}

.nolen-footer__logo {
  width: auto;
  height: 26px;
  margin-bottom: var(--nolen-space-4);
}

.nolen-footer__copy {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 14px;
}

.nolen-footer__title {
  margin: 0 0 var(--nolen-space-3);
  color: var(--nolen-white);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nolen-footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--nolen-space-2);
}

.nolen-footer__link {
  width: fit-content;
  color: rgba(255, 255, 255, 0.58);
  font-size: 14px;
  text-decoration: none;
}

.nolen-footer__link:hover,
.nolen-footer__link--active {
  color: var(--nolen-teal);
}

.nolen-footer__bottom {
  display: flex;
  grid-column: 1 / -1;
  justify-content: space-between;
  gap: var(--nolen-space-4);
  padding-top: var(--nolen-space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.4);
  font-size: 12px;
}

@media (max-width: 900px) {
  .nolen-grid--4,
  .nolen-token-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nolen-hero__content {
    grid-template-columns: 1fr;
    align-items: start;
  }

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

  .nolen-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .nolen-page {
    padding: 0 var(--nolen-space-4);
  }

  .nolen-section {
    padding: 56px 0;
  }

  .nolen-title {
    font-size: 32px;
  }

  .nolen-heading {
    font-size: 24px;
  }

  .nolen-lead {
    font-size: 18px;
  }

  .nolen-nav {
    flex-wrap: wrap;
    gap: var(--nolen-space-3);
    padding: var(--nolen-space-4);
  }

  .nolen-nav__links {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    gap: var(--nolen-space-4);
  }

  .nolen-nav .nolen-button {
    margin-left: auto;
  }

  .nolen-grid--2,
  .nolen-grid--3,
  .nolen-grid--4,
  .nolen-token-grid,
  .nolen-rules {
    grid-template-columns: 1fr;
  }

  .nolen-cta {
    padding: 40px var(--nolen-space-6);
  }

  .nolen-cta__title {
    font-size: 28px;
  }

  .nolen-cta__copy {
    font-size: 16px;
  }

  .nolen-footer {
    grid-template-columns: 1fr 1fr;
    padding: 40px var(--nolen-space-6) var(--nolen-space-6);
  }

  .nolen-footer__brand {
    grid-column: 1 / -1;
  }

  .nolen-footer__bottom {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nolen-brand *,
  .nolen-brand *::before,
  .nolen-brand *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}