/* Tend — brand styles for tend.app pages.
   Mirrors the SwiftUI palette so the web feels like the app.
*/

:root {
  /* Surfaces */
  --tend-cream:        #FAF6EE;
  --tend-cream-warm:   #F4ECDD;
  --tend-surface-hi:   #FFFBF2;

  /* Sage family */
  --tend-sage:         #A8B8A2;
  --tend-sage-dark:    #6B7A65;
  --tend-sage-deep:    #4F5C4A;
  --tend-sage-light:   #D4DCD0;

  /* Warm accents */
  --tend-peach:        #E8B4A0;
  --tend-peach-light:  #F2D5C6;
  --tend-terracotta:        #C97B5C;
  --tend-terracotta-deep:   #A66249;

  /* Text */
  --tend-ink:          #2E2E32;
  --tend-muted:        #8A8A82;

  /* Soft */
  --radius-sm: 14px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --shadow-soft: 0 4px 20px rgba(120, 110, 90, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --tend-cream:        #14151B;
    --tend-cream-warm:   #1D1E26;
    --tend-surface-hi:   #252631;

    --tend-sage:         #8FA088;
    --tend-sage-dark:    #B8C9B0;
    --tend-sage-deep:    #D3DDCB;
    --tend-sage-light:   #2D362C;

    --tend-peach:        #D68D70;
    --tend-peach-light:  #6E4536;
    --tend-terracotta:        #CC8060;
    --tend-terracotta-deep:   #8E513B;

    --tend-ink:          #EFEBE2;
    --tend-muted:        #9A998E;
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  background: linear-gradient(180deg, var(--tend-cream) 0%, var(--tend-cream-warm) 100%);
  color: var(--tend-ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}

/* Header / brand mark */

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--tend-sage-deep);
  margin-bottom: 48px;
}

.brand .mark {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--tend-sage), var(--tend-sage-dark));
  position: relative;
  box-shadow: 0 4px 14px rgba(79, 92, 74, 0.18);
  flex-shrink: 0;
}

.brand .mark::before {
  /* leaf */
  content: "";
  position: absolute;
  inset: 8px;
  background: var(--tend-cream);
  border-radius: 60% 40% 60% 40% / 50% 60% 40% 50%;
  border: 1px solid var(--tend-sage-deep);
  opacity: 0.95;
  transform: rotate(8deg);
}

.brand .mark::after {
  /* center vein */
  content: "";
  position: absolute;
  left: 50%;
  top: 11px;
  bottom: 11px;
  width: 1px;
  background: var(--tend-sage-deep);
  opacity: 0.7;
  transform: translateX(-50%) rotate(8deg);
}

.brand .wordmark {
  font-family: "Lora", "Iowan Old Style", "Georgia", serif;
  font-weight: 600;
  font-size: 24px;
  letter-spacing: -0.3px;
}

/* Typography */

h1 {
  font-family: "Lora", "Iowan Old Style", "Georgia", serif;
  font-weight: 600;
  font-size: 36px;
  line-height: 1.2;
  color: var(--tend-sage-deep);
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

h2 {
  font-family: "Lora", "Iowan Old Style", "Georgia", serif;
  font-weight: 600;
  font-size: 22px;
  color: var(--tend-sage-deep);
  margin-top: 40px;
  margin-bottom: 12px;
  letter-spacing: -0.2px;
}

h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--tend-sage-dark);
  margin-top: 24px;
  margin-bottom: 8px;
}

.lede {
  font-size: 18px;
  color: var(--tend-ink);
  opacity: 0.8;
  margin-bottom: 32px;
}

p {
  margin-bottom: 16px;
}

ul, ol {
  margin-left: 24px;
  margin-bottom: 16px;
}

li {
  margin-bottom: 8px;
}

a {
  color: var(--tend-terracotta-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.7;
}

strong {
  color: var(--tend-sage-deep);
  font-weight: 600;
}

em {
  color: var(--tend-muted);
  font-style: italic;
}

code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
  font-size: 14px;
  background: var(--tend-sage-light);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--tend-sage-deep);
}

/* Cards (card-like blocks for sections / FAQ) */

.card {
  background: var(--tend-surface-hi);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-soft);
}

.card h3 {
  margin-top: 0;
}

.card p:last-child {
  margin-bottom: 0;
}

/* CTA button (terracotta pill) */

.cta {
  display: inline-block;
  background: var(--tend-terracotta);
  color: white !important;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 500;
  border: none !important;
  box-shadow: 0 4px 14px rgba(166, 98, 73, 0.25);
  transition: transform 0.2s, box-shadow 0.2s;
}

.cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(166, 98, 73, 0.30);
  opacity: 1;
}

/* Footer */

footer {
  margin-top: 80px;
  padding-top: 32px;
  border-top: 1px solid var(--tend-sage-light);
  color: var(--tend-muted);
  font-size: 14px;
  text-align: center;
}

footer a {
  color: var(--tend-muted);
  border-bottom-color: var(--tend-muted);
  margin: 0 12px;
}

/* Hero — landing page */

.hero {
  text-align: center;
  padding: 32px 0 48px;
}

.hero .tagline {
  font-family: "Lora", "Iowan Old Style", "Georgia", serif;
  font-style: italic;
  color: var(--tend-muted);
  font-size: 18px;
  margin-bottom: 32px;
}

.hero .big-mark {
  width: 96px;
  height: 96px;
  margin: 0 auto 24px;
}

.hero .big-mark .mark {
  width: 96px;
  height: 96px;
}

.hero .big-mark .mark::before { inset: 18px; border-width: 1.5px; }
.hero .big-mark .mark::after  { top: 24px; bottom: 24px; }

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 32px 0;
}

@media (min-width: 540px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
}

.feature-grid .card {
  text-align: left;
}

.feature-grid .card .emoji {
  font-size: 24px;
  margin-bottom: 8px;
}

/* Last-updated stamp */

.timestamp {
  display: inline-block;
  font-size: 13px;
  color: var(--tend-muted);
  margin-bottom: 24px;
  font-style: italic;
}

/* Subtle quotation pull */

.pull {
  font-family: "Lora", "Iowan Old Style", "Georgia", serif;
  font-style: italic;
  font-size: 19px;
  color: var(--tend-sage-dark);
  border-left: 2px solid var(--tend-sage);
  padding: 4px 0 4px 20px;
  margin: 24px 0;
}