/* ==========================================================================
   KinshipOS — Design Tokens
   ========================================================================== */

:root {
  /* Color */
  --color-cream: #FDF6EE;
  --color-white: #FFFFFF;
  --color-coral: #E8613C;
  --color-coral-dark: #C94A29;
  --color-teal: #1F4841;
  --color-gold: #F2B441;
  --color-sage: #7FA294;
  --color-ink: #2B2420;
  --color-ink-muted: #6B5F56;
  --color-border: #EBDFD1;

  /* Type */
  --font-heading: "Fraunces", Georgia, serif;
  --font-body: "Figtree", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 5rem;

  /* Radius & shadow */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --shadow-sm: 0 2px 8px rgba(43, 36, 32, 0.06);
  --shadow-md: 0 8px 24px rgba(43, 36, 32, 0.08);

  --max-width: 1160px;
  --max-width-narrow: 720px;
}

/* ==========================================================================
   Reset & base
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--color-teal);
  line-height: 1.15;
  margin: 0 0 var(--space-4);
}

h1 { font-size: clamp(2.25rem, 4vw + 1rem, 3.75rem); font-weight: 600; }
h2 { font-size: clamp(1.75rem, 2.5vw + 1rem, 2.75rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }

p { margin: 0 0 var(--space-4); }

a {
  color: var(--color-coral-dark);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.container-narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: var(--space-8) 0;
}

.section-alt {
  background: var(--color-white);
}

.kicker {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-coral-dark);
  margin: 0 0 var(--space-3);
}

.section-intro {
  font-size: 1.1rem;
  color: var(--color-ink-muted);
  max-width: 640px;
}

.section-closer {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-teal);
  max-width: 640px;
  margin-top: var(--space-6);
}

.signoff {
  font-style: italic;
  color: var(--color-ink-muted);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-teal);
  color: var(--color-white);
  padding: var(--space-3) var(--space-5);
  z-index: 100;
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
  left: 0;
}

/* ==========================================================================
   Wordmark
   ========================================================================== */

.wordmark {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--color-teal);
  text-decoration: none;
  white-space: nowrap;
}

.wordmark-os {
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--color-coral-dark);
  letter-spacing: 0.03em;
  margin-left: 1px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn-primary {
  background: var(--color-coral-dark);
  color: var(--color-white);
}

.btn-primary:hover {
  background: #B03F22;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background: var(--color-teal);
  color: var(--color-white);
}

.btn-small {
  padding: var(--space-2) var(--space-4);
  font-size: 0.9rem;
}

/* ==========================================================================
   Header / Nav
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(253, 246, 238, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.site-nav a:not(.btn) {
  color: var(--color-teal);
  font-weight: 600;
  text-decoration: none;
}

.site-nav a:not(.btn):hover {
  color: var(--color-coral-dark);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-teal);
  margin: 0 auto;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-8) 0;
}

.hero-blobs {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(50px);
  opacity: 0.35;
}

.blob-coral {
  width: 380px;
  height: 380px;
  background: var(--color-coral);
  top: -120px;
  right: -80px;
}

.blob-gold {
  width: 280px;
  height: 280px;
  background: var(--color-gold);
  bottom: -100px;
  left: 5%;
}

.blob-sage {
  width: 220px;
  height: 220px;
  background: var(--color-sage);
  top: 40%;
  right: 20%;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero-subhead {
  font-size: 1.2rem;
  color: var(--color-ink-muted);
  max-width: 620px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin: var(--space-6) 0 var(--space-4);
}

.hero-microcopy {
  font-size: 0.9rem;
  color: var(--color-ink-muted);
}

/* ==========================================================================
   Card grid
   ========================================================================== */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
  margin: var(--space-6) 0;
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-cream);
  color: var(--color-coral-dark);
  margin-bottom: var(--space-4);
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.card h3 {
  margin-bottom: var(--space-2);
}

.card p {
  color: var(--color-ink-muted);
  margin-bottom: 0;
}

/* Social cards */

.card-social {
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card-social:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.card-social .handle {
  color: var(--color-coral-dark);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.card-link {
  display: inline-block;
  margin-top: var(--space-3);
  font-weight: 700;
  color: var(--color-teal);
}

/* ==========================================================================
   Roadmap
   ========================================================================== */

.roadmap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-6);
}

.roadmap-stage {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}

.roadmap-stage p {
  color: var(--color-ink-muted);
  margin-bottom: 0;
}

.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.badge-live {
  background: var(--color-sage);
  color: var(--color-white);
}

.badge-dev {
  background: var(--color-gold);
  color: var(--color-ink);
}

.badge-vision {
  background: transparent;
  color: var(--color-ink-muted);
  border: 1.5px solid var(--color-border);
}

/* ==========================================================================
   Signup
   ========================================================================== */

.signup-form-container {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin: var(--space-6) 0;
  text-align: center;
}

.placeholder-note {
  color: var(--color-ink-muted);
  font-style: italic;
  margin: 0;
}

.signup-success {
  padding: var(--space-5) 0;
  text-align: center;
}

.signup-success p {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-teal);
  margin: 0;
}

/* Kit signup form: structural classes (formkit-*) are required by Kit's
   ck.5.js for submission/validation; all visual styling here is ours. */

.kit-signup-fields {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: 0;
}

.kit-signup-fields .formkit-field {
  flex: 1 1 240px;
  margin: 0;
}

.kit-signup-fields .formkit-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-ink);
  background: var(--color-cream);
}

.kit-signup-fields .formkit-input:focus {
  outline: none;
  border-color: var(--color-coral-dark);
}

.kit-signup-fields .formkit-submit {
  flex: 0 0 auto;
  position: relative;
}

.kit-signup-fields .formkit-submit[data-active] span {
  opacity: 0;
}

.kit-signup-fields .formkit-submit .formkit-spinner {
  display: none;
}

.kit-signup-fields .formkit-submit[data-active] .formkit-spinner {
  display: flex;
  gap: 4px;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
}

.kit-signup-fields .formkit-submit .formkit-spinner div {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.6;
}

.formkit-alert-error {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-3);
  color: var(--color-coral-dark);
  font-size: 0.9rem;
}

.formkit-alert-error:empty {
  display: none;
}

.formkit-powered-by-convertkit-container {
  margin-top: var(--space-4);
  text-align: center;
}

.formkit-powered-by-convertkit {
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  text-decoration: none;
  opacity: 0.7;
}

.formkit-powered-by-convertkit:hover {
  opacity: 1;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--color-teal);
  color: var(--color-cream);
  padding: var(--space-7) 0 var(--space-6);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  text-align: center;
  align-items: center;
}

.wordmark-footer,
.wordmark-footer .wordmark-os {
  color: var(--color-white);
}

.footer-brand p {
  color: rgba(253, 246, 238, 0.75);
  margin-top: var(--space-2);
  margin-bottom: 0;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-5);
}

.footer-nav a {
  color: var(--color-cream);
  text-decoration: none;
  font-weight: 600;
}

.footer-nav a:hover {
  color: var(--color-gold);
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: var(--space-5);
}

.footer-social a {
  color: var(--color-cream);
}

.footer-social a:hover {
  color: var(--color-gold);
}

.footer-social svg {
  width: 22px;
  height: 22px;
}

.footer-contact a {
  color: var(--color-cream);
}

.footer-contact,
.footer-copyright {
  color: rgba(253, 246, 238, 0.7);
  font-size: 0.9rem;
  margin: 0;
}

/* ==========================================================================
   Privacy page
   ========================================================================== */

.legal-content h2 {
  margin-top: var(--space-7);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-updated {
  color: var(--color-ink-muted);
  font-size: 0.95rem;
}

/* ==========================================================================
   Scroll-reveal (progressive enhancement)
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn, .card-social {
    transition: none;
  }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

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

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-cream);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-5);
    display: none;
  }

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

  .site-nav .btn {
    width: 100%;
    text-align: center;
  }
}

@media (min-width: 640px) {
  .footer-inner {
    text-align: left;
    grid-template-columns: 1.2fr 1fr;
  }

  .footer-nav,
  .footer-social {
    justify-content: flex-start;
  }

  .footer-contact,
  .footer-copyright {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .footer-inner {
    grid-template-columns: 1.2fr 1fr 1fr;
  }

  .footer-contact {
    grid-column: auto;
    text-align: right;
  }

  .footer-copyright {
    grid-column: 1 / -1;
    text-align: center;
    margin-top: var(--space-4);
  }
}