/* PlantHelper site. Brand greens come from src/PlantHelper/Resources/Styles/Colors.xaml. */
:root {
  --bg: #ffffff;
  --bg-alt: #f5f8f6;
  --surface: #ffffff;
  --border: #e2eae5;
  --text: #0f1f17;
  --muted: #54655b;
  --primary: #047857;
  --primary-hover: #065f46;
  --on-primary: #ffffff;
  --tint: #e8f5ee;
  --tint-strong: #d3eedf;
  --header-bg: rgba(255, 255, 255, 0.86);
  --device: #0c1210;
  --shadow-sm: 0 1px 2px rgba(15, 31, 23, 0.05);
  --shadow-lg: 0 32px 64px -24px rgba(15, 31, 23, 0.32), 0 12px 24px -12px rgba(15, 31, 23, 0.18);
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a110d;
    --bg-alt: #0e1712;
    --surface: #121c16;
    --border: #223128;
    --text: #e9f2ec;
    --muted: #9bafa3;
    --primary: #34d399;
    --primary-hover: #6ee7b7;
    --on-primary: #04261a;
    --tint: #12281e;
    --tint-strong: #143325;
    --header-bg: rgba(10, 17, 13, 0.82);
    --device: #1c2620;
    --shadow-sm: none;
    --shadow-lg: 0 32px 64px -24px rgba(0, 0, 0, 0.7);
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

img {
  height: auto;
}

[hidden] {
  display: none !important;
}

a {
  color: var(--primary);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--primary-hover);
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 4px;
}

[id] {
  scroll-margin-top: 88px;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.icon {
  width: 20px;
  height: 20px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  left: 16px;
  top: 16px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand:hover {
  color: var(--text);
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a:not(.btn) {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 500;
  text-decoration: none;
}

.site-nav a:not(.btn):hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 0.97rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}

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

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

.btn-secondary {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  border-color: var(--muted);
  color: var(--text);
}

.btn-small {
  padding: 8px 14px;
  font-size: 0.9rem;
}

.btn-light {
  background: #ffffff;
  color: #065f46;
}

.btn-light:hover {
  background: #ecfdf5;
  color: #065f46;
}

/* Hero */
.hero {
  background: radial-gradient(900px 520px at 88% -8%, var(--tint-strong), transparent 62%), var(--bg);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: 48px;
  padding-top: 80px;
  padding-bottom: 88px;
}

.eyebrow {
  display: inline-block;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--tint);
  border-radius: 999px;
  letter-spacing: 0.04em;
}

.hero .eyebrow .icon {
  width: 16px;
  height: 16px;
}

.hero h1 {
  margin-top: 20px;
  font-size: clamp(2.3rem, 5.2vw, 3.6rem);
  font-weight: 750;
  line-height: 1.06;
  letter-spacing: -0.035em;
}

.hero-lede {
  max-width: 34rem;
  margin-top: 20px;
  color: var(--muted);
  font-size: 1.15rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  max-width: 34rem;
  margin: 48px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--border);
}

.stats div {
  display: flex;
  flex-direction: column;
}

.stats dt {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.35;
}

.stats dd {
  order: -1;
  margin: 0 0 6px;
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

/* Device frames */
.phone {
  padding: 8px;
  background: var(--device);
  border-radius: 38px;
  box-shadow: var(--shadow-lg);
}

.phone img {
  width: 100%;
  border-radius: 30px;
}

.devices {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.devices .phone {
  flex: none;
  width: min(260px, 44vw);
}

.devices .back {
  margin-top: 56px;
  margin-right: -72px;
}

.devices .front {
  position: relative;
  z-index: 1;
}

/* Sections */
.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  max-width: 40rem;
  margin-bottom: 48px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2,
.split h2 {
  margin-top: 12px;
  font-size: clamp(1.75rem, 3.4vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.section-head p,
.split-text > p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 1.08rem;
}

/* Feature cards */
.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.feature {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  background: var(--tint);
  border-radius: 10px;
  color: var(--primary);
}

.feature-icon .icon {
  width: 22px;
  height: 22px;
}

.feature h3 {
  margin-top: 20px;
  font-size: 1.08rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.feature p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.97rem;
}

/* Split rows: text beside a screenshot */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: 72px;
}

.split + .split {
  margin-top: 104px;
}

.split.reverse .split-media {
  order: -1;
}

.split-media {
  display: grid;
  place-items: center;
  padding: 48px 24px;
  background: linear-gradient(160deg, var(--tint), var(--tint-strong));
  border: 1px solid var(--border);
  border-radius: 24px;
}

.split-media .phone {
  width: min(250px, 62vw);
}

.checks {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.checks li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
}

.checks .icon {
  margin-top: 3px;
  padding: 3px;
  background: var(--tint);
  border-radius: 999px;
  color: var(--primary);
  stroke-width: 2.25;
}

.split-text .btn {
  margin-top: 32px;
}

/* Tools */
.tools {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.tool {
  padding: 26px 28px;
  background: var(--surface);
}

.tool-unit {
  display: inline-block;
  padding: 3px 8px;
  background: var(--tint);
  border-radius: 6px;
  color: var(--primary);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 600;
}

.tool h3 {
  margin-top: 14px;
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.tool p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.95rem;
}

.note {
  margin-top: 20px;
  color: var(--muted);
  font-size: 0.9rem;
}

/* FAQ */
.faq {
  max-width: 46rem;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.faq details {
  border-bottom: 1px solid var(--border);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

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

.faq summary .icon {
  color: var(--muted);
  transition: transform 0.2s;
}

.faq details[open] summary .icon {
  transform: rotate(45deg);
}

.faq details p {
  padding: 0 40px 22px 0;
  color: var(--muted);
}

/* Closing call to action */
.cta {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 32px;
  padding: 48px;
  background: linear-gradient(135deg, #064e3b 0%, #047857 55%, #0e9f6e 100%);
  border-radius: 24px;
  color: #ffffff;
}

.cta h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.cta p {
  max-width: 36rem;
  margin-top: 12px;
  color: #d1fae5;
}

/* Footer */
.site-footer {
  padding: 64px 0 40px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.93rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 40px;
}

.footer-about p {
  max-width: 20rem;
  margin-top: 14px;
}

.site-footer h2 {
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-footer ul {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.site-footer li a {
  color: var(--muted);
  text-decoration: none;
}

.site-footer li a:hover {
  color: var(--text);
}

.footer-legal {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
}

/* Document pages (privacy policy) */
.doc-head {
  padding: 64px 0 40px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}

.doc-head h1 {
  margin-top: 12px;
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  font-weight: 750;
  letter-spacing: -0.03em;
}

.doc-head p {
  margin-top: 12px;
  color: var(--muted);
}

.doc {
  max-width: 46rem;
}

.doc-body {
  padding-top: 48px;
  padding-bottom: 96px;
}

.summary {
  padding: 24px 28px;
  background: var(--tint);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.summary h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
}

.summary .checks {
  margin-top: 16px;
  gap: 10px;
}

.summary .checks .icon {
  background: var(--surface);
}

.prose h2 {
  margin: 48px 0 12px;
  font-size: 1.35rem;
  font-weight: 700;
}

.prose p,
.prose ul {
  margin: 0 0 16px;
}

.prose ul {
  padding-left: 22px;
}

.prose li {
  margin-bottom: 8px;
}

.table-scroll {
  margin-bottom: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th,
td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

tbody tr:last-child td {
  border-bottom: 0;
}

th {
  background: var(--bg-alt);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Responsive */
@media (max-width: 960px) {
  .hero .wrap {
    grid-template-columns: 1fr;
    gap: 56px;
    padding-top: 56px;
    padding-bottom: 64px;
  }

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

  .split {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .split + .split {
    margin-top: 80px;
  }

  .split.reverse .split-media {
    order: 0;
  }

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

  .footer-about {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  .site-nav a:not(.btn) {
    display: none;
  }

  .section {
    padding: 72px 0;
  }

  .cta {
    grid-template-columns: 1fr;
    padding: 36px 28px;
  }
}

@media (max-width: 560px) {
  .wrap {
    padding: 0 20px;
  }

  .features,
  .tools {
    grid-template-columns: 1fr;
  }

  .stats {
    gap: 16px;
  }

  .stats dd {
    font-size: 1.6rem;
  }

  .devices .back {
    margin-right: -56px;
  }

  .actions .btn {
    flex: 1 1 100%;
  }

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

  .faq details p {
    padding-right: 0;
  }
}