/* KinCircle marketing site.
   Colors match app/globals.css. Type is the system sans stack the app UI uses.
   No external fonts, images from CDNs, or inline styles (see _headers CSP). */

:root {
  --bg: #f4f7f5;
  --ink: #1a2e28;
  --muted: #5b6e67;
  --card: #ffffff;
  --surface: #ffffff;
  --accent: #0f766e;
  --accent-fill: #0f766e;
  --on-accent: #ffffff;
  --accent-soft: #ccfbf1;
  --border: #d7e3dd;
  --warn: #b45309;
  --warn-soft: #fef3c7;
  --danger: #991b1b;
  --danger-soft: #fee2e2;
  --glow: #e7f6f1;
  --hover: #eef5f1;
  --shadow: rgba(26, 46, 40, 0.06);
  --header-offset: 8.5rem;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101916;
    --ink: #e7f3ee;
    --muted: #a8bdb5;
    --card: #1b2924;
    --surface: #1b2924;
    --accent: #5eead4;
    --accent-fill: #0f766e;
    --on-accent: #ffffff;
    --accent-soft: #134e4a;
    --border: #314840;
    --warn: #fbbf24;
    --warn-soft: #3b2a12;
    --danger: #fecaca;
    --danger-soft: #3f1d1d;
    --glow: #17332c;
    --hover: #243832;
    --shadow: rgba(0, 0, 0, 0.4);
    --header-offset: 8.5rem;
    color-scheme: dark;
  }
}

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

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top left, var(--glow), var(--bg) 46%);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
}

img {
  height: auto;
}

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

h1,
h2,
h3 {
  line-height: 1.25;
  font-weight: 700;
  text-wrap: balance;
}

p + p,
ul + p,
p + ul {
  margin-top: 0.75rem;
}

a {
  color: var(--accent);
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  z-index: 50;
  transform: translateY(-200%);
  background: var(--accent-fill);
  color: var(--on-accent);
  border-radius: 0.75rem;
  padding: 0.6rem 1rem;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  transform: none;
}

.container {
  width: min(72rem, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  backdrop-filter: blur(18px) saturate(1.25);
  -webkit-backdrop-filter: blur(18px) saturate(1.25);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.75rem 0;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 2.75rem;
  color: var(--accent);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.logo {
  width: 1.85rem;
  height: 1.85rem;
  flex: none;
}

.header-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.header-cta .btn {
  flex: 1 1 9rem;
  white-space: normal;
}

.menu {
  position: relative;
}

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

.nav-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: var(--card);
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
}

.nav-toggle:focus-visible + .nav-button {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.menu-close-label {
  display: none;
}

.nav-toggle:checked + .nav-button .menu-open-label {
  display: none;
}

.nav-toggle:checked + .nav-button .menu-close-label {
  display: inline;
}

.site-nav {
  display: none;
  flex-direction: column;
  gap: 0.15rem;
}

.site-nav a {
  display: flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.35rem 0.65rem;
  border-radius: 0.7rem;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav a:hover {
  background: var(--hover);
}

@media (max-width: 959px) {
  .header-inner:has(.nav-toggle:checked) .site-nav {
    display: flex;
    padding-top: 0.35rem;
    border-top: 1px solid var(--border);
  }
}

@media (min-width: 960px) {
  .header-inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    row-gap: 0.5rem;
  }

  .header-top {
    display: contents;
  }

  .brand {
    order: 1;
  }

  .menu {
    display: none;
  }

  .site-nav {
    display: flex;
    flex: 1;
    order: 2;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    gap: 0.1rem;
  }

  .header-cta {
    order: 3;
    margin-left: auto;
  }

  .header-cta .btn {
    flex: none;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.55rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

button.btn {
  width: 100%;
}

button.btn:disabled {
  opacity: 0.7;
  cursor: wait;
}

.btn-primary {
  background: var(--accent-fill);
  color: var(--on-accent);
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--ink);
}

.btn-ghost:hover {
  background: var(--hover);
}

.hero {
  position: relative;
  isolation: isolate;
  padding: 2.5rem 0 1rem;
  overflow: clip;
}

.hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  margin-bottom: 0.85rem;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 700;
}

h1 {
  font-size: clamp(2rem, 6vw, 3.35rem);
  letter-spacing: -0.03em;
}

.lede {
  margin-top: 1rem;
  max-width: 38rem;
  font-size: 1.125rem;
  color: var(--ink);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.4rem;
}

.fine {
  margin-top: 0.9rem;
  max-width: 38rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  padding: 3.25rem 0;
}

section[id] {
  scroll-margin-top: var(--header-offset);
}

.section h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.02em;
}

.section-lead {
  margin-top: 0.75rem;
  max-width: 40rem;
  color: var(--muted);
}

.split {
  display: grid;
  gap: 1.5rem;
}

.card,
.feature,
.plan,
.step,
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: 0 8px 24px var(--shadow);
}

.role-list,
.audience,
.steps,
.feature-grid,
.security-list {
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.audience,
.role-list,
.feature-grid {
  display: grid;
  gap: 0.85rem;
}

.audience li,
.role-list li,
.feature,
.plan,
.step {
  padding: 1.1rem 1.15rem 1.2rem;
}

.audience li,
.role-list li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: 0 8px 24px var(--shadow);
}

.role-name,
.feature h3,
.plan h3,
.step h3,
.audience h3 {
  font-size: 1.05rem;
}

.role-list p,
.audience p,
.feature p,
.plan p,
.step p,
.security-list li,
.faq-body p {
  margin-top: 0.4rem;
  color: var(--muted);
}

.role-name {
  margin-top: 0;
  color: var(--ink);
  font-weight: 700;
}

.steps {
  display: grid;
  gap: 0.85rem;
  counter-reset: none;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: start;
}

.step-num {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  background: var(--accent-fill);
  color: var(--on-accent);
  font-weight: 700;
}

.step h3,
.step p {
  grid-column: 2;
}

.step h3 {
  margin-top: 0.35rem;
}

.step p {
  margin-top: 0.35rem;
}

.feature-grid {
  margin-top: 1.5rem;
}

.feature-icon {
  display: block;
  width: 1.35rem;
  height: 1.35rem;
  margin-bottom: 0.75rem;
  padding: 0.6rem;
  box-sizing: content-box;
  border-radius: 0.85rem;
  background: var(--accent-soft);
  color: var(--accent-fill);
}

.feature h3 {
  color: var(--ink);
}

.feature p {
  font-size: 0.98rem;
}

.security-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.security-list li {
  margin: 0;
  padding: 0.95rem 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  color: var(--ink);
}

.security-list strong {
  display: block;
  margin-bottom: 0.2rem;
}

.waitlist-card {
  max-width: 40rem;
  margin-top: 1.25rem;
}

#waitlist {
  scroll-margin-top: var(--header-offset);
}

.plan .btn {
  margin-top: 1rem;
}

.waitlist-form {
  position: relative;
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.waitlist-form .btn {
  margin-top: 0;
}

.field,
.check {
  color: var(--ink);
  font-weight: 700;
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  margin: 0;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  font-weight: 400;
  line-height: 1.4;
}

.field textarea {
  min-height: 7rem;
  resize: vertical;
}

.optional {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
}

.check {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-weight: 600;
}

.check input {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.2rem;
  flex: none;
  accent-color: var(--accent-fill);
}

.hp {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.form-error,
.plan .form-error {
  margin: 0;
  padding: 0.75rem 0.85rem;
  border-radius: 0.75rem;
  background: var(--danger-soft);
  color: var(--danger);
  font-weight: 600;
}

.form-success {
  margin-top: 0.85rem;
  padding: 0.85rem 1rem;
  border-radius: 0.75rem;
  background: var(--accent-soft);
}

.form-success p,
.plan .form-success p {
  color: var(--ink);
  font-weight: 600;
}

.privacy-note {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 400;
}

.trust {
  padding-top: 1.5rem;
}

.trust .container {
  padding: 1.5rem 1.25rem 1.6rem;
  background: var(--card);
  border: 2px solid var(--accent);
  border-radius: 1.25rem;
  box-shadow: 0 12px 32px var(--shadow);
}

.trust h2 {
  max-width: 18ch;
}

.trust-lead {
  margin-top: 0.85rem;
  max-width: 42rem;
  color: var(--ink);
  font-size: 1.125rem;
}

.trust-list {
  display: grid;
  gap: 0.65rem;
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
}

.trust-list li {
  padding: 0.85rem 1rem;
  background: var(--accent-soft);
  border-radius: 0.85rem;
  color: var(--ink);
  font-size: 1.05rem;
}

.trust-link {
  margin-top: 1rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.data-promise,
.plan p.data-promise,
.site-footer .data-promise {
  margin: 0 0 0.85rem;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.45;
}

.waitlist-card .data-promise {
  margin-top: 0.75rem;
}

.waitlist-form[hidden],
.form-error[hidden],
.form-success[hidden],
#turnstile-missing[hidden] {
  display: none !important;
}

.faq {
  display: grid;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.faq-item {
  padding: 0.2rem 1rem;
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3rem;
  padding: 0.85rem 0;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

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

.faq summary::after {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  flex: none;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: translateY(-0.15rem) rotate(45deg);
}

.faq details[open] summary::after {
  transform: translateY(0.15rem) rotate(225deg);
}

.faq-body {
  padding: 0 0 1rem;
}

.closing {
  padding-bottom: 4rem;
}

.closing-band {
  padding: 1.5rem 1.2rem;
  border-radius: 1.25rem;
  background:
    radial-gradient(circle at top right, var(--accent-soft), transparent 42%),
    var(--card);
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px var(--shadow);
}

.closing-band h2 {
  max-width: 20ch;
}

.site-footer {
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.95rem;
}

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

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  font-weight: 700;
}

.preview {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 0;
}

.preview-frame {
  order: -1;
  max-width: 24rem;
  margin-inline: auto;
  padding: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 1.6rem;
  background: var(--bg);
  box-shadow: 0 16px 40px var(--shadow);
}

.preview-top,
.preview-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.preview-word {
  color: var(--accent);
  font-weight: 700;
}

.preview-kicker {
  margin-top: 0.85rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.preview-person {
  font-size: 1.25rem;
  font-weight: 700;
}

.preview-meta,
.preview-caption,
figcaption {
  color: var(--muted);
  font-size: 0.92rem;
}

.preview-card {
  margin-top: 0.7rem;
  padding: 0.8rem 0.85rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
}

.preview-card p {
  margin-top: 0.2rem;
}

.preview-heading {
  font-weight: 700;
  color: var(--ink);
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.12rem 0.55rem;
  background: var(--warn-soft);
  color: var(--ink);
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}

.not-found {
  padding: 4rem 0 5rem;
}

.not-found h1 {
  font-size: clamp(2rem, 5vw, 3rem);
}

@media (min-width: 700px) {
  .audience {
    grid-template-columns: 1fr 1fr;
  }

  .feature-grid,
  .security-list {
    grid-template-columns: 1fr 1fr;
  }

  .role-list {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1.4fr 1fr;
    align-items: end;
  }

  .footer-links {
    justify-content: flex-end;
  }
}

@media (min-width: 1040px) {
  .steps {
    position: relative;
  }

  .steps::before {
    content: "";
    position: absolute;
    top: calc(1.1rem + 1.25rem);
    left: 8%;
    right: 8%;
    height: 2px;
    background: color-mix(in srgb, var(--accent) 45%, var(--border));
  }

  .step-num {
    position: relative;
    z-index: 1;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .hero-grid,
  .split {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3rem;
  }

  .feature-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .steps {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .step {
    grid-template-columns: 1fr;
  }

  .step h3,
  .step p {
    grid-column: 1;
  }
}

.blob {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 28%, transparent) 0%, transparent 68%);
  filter: blur(6px);
}

.blob-a {
  top: -8rem;
  right: -6rem;
  width: 26rem;
  height: 26rem;
}

.blob-b {
  bottom: -10rem;
  left: -8rem;
  width: 20rem;
  height: 20rem;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent-soft) 80%, var(--accent)) 0%, transparent 70%);
}

.band {
  position: relative;
  isolation: isolate;
  overflow: clip;
}

.blob-c {
  top: 2rem;
  right: -12rem;
  width: 24rem;
  height: 24rem;
}

picture {
  display: block;
}

.photo {
  margin: 0;
}

.photo img {
  display: block;
  width: 100%;
  border-radius: 1.25rem;
  object-fit: cover;
  box-shadow: 0 16px 40px var(--shadow);
}

.photo figcaption,
.device figcaption {
  margin-top: 0.55rem;
}

.photo figcaption {
  font-size: 0.75rem;
}

.photo-pair {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.device {
  margin: 1.35rem 0 0;
}

.laptop {
  max-width: 52rem;
  margin-inline: auto;
}

.laptop-bezel {
  padding: 0.65rem 0.65rem 0.75rem;
  border-radius: 1rem 1rem 0.35rem 0.35rem;
  background: #1a2e28;
  box-shadow: 0 18px 44px var(--shadow);
}

.laptop-bezel img {
  display: block;
  width: 100%;
  border-radius: 0.35rem;
}

.laptop-chin {
  height: 0.8rem;
  width: 22%;
  margin: 0 auto;
  border-radius: 0 0 0.55rem 0.55rem;
  background: #243832;
}

.phone-row {
  display: grid;
  gap: 1.25rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.phone {
  width: min(100%, 16.5rem);
  margin-inline: auto;
  padding: 0.55rem;
  border-radius: 1.7rem;
  background: #1a2e28;
  box-shadow: 0 16px 40px var(--shadow);
}

.phone-screen {
  overflow: hidden;
  border-radius: 1.2rem;
  background: #101916;
}

.phone-screen img {
  display: block;
  width: 100%;
}

.device figcaption {
  text-align: center;
}

.reading-list {
  display: grid;
  gap: 0.85rem;
  margin: 1.35rem 0 0;
  padding: 0;
  list-style: none;
}

.reading-list li {
  padding: 1.05rem 1.15rem 1.15rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: 0 8px 24px var(--shadow);
}

.reading-list a {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  color: inherit;
  text-decoration: none;
}

.reading-list a:hover .reading-title {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.reading-source {
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.reading-title {
  color: var(--ink);
  font-weight: 700;
}

.reading-list p {
  margin-top: 0.45rem;
  color: var(--muted);
}

.credits-line {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.credit-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.credit-list li {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
}

.credit-list p {
  margin-top: 0.35rem;
  color: var(--muted);
}

.license-notice {
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem;
}

@media (min-width: 700px) {
  .photo-pair,
  .reading-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1040px) {
  .phone-row {
    grid-template-columns: repeat(4, 1fr);
  }

  .reading-list {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .reveal {
      animation: rise linear both;
      animation-timeline: view();
      animation-range: entry 0% cover 22%;
    }
  }
}

@keyframes rise {
  from {
    transform: translateY(0.85rem);
  }

  to {
    transform: none;
  }
}

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

  .btn-primary:hover {
    filter: none;
  }

  .reveal {
    animation: none;
  }
}