/* impruvio: the app's look (lib/theme/app_theme.dart) on the web. */
:root {
  --bg: #f6f3ee;
  --ink: #1e1b16;
  --muted: #746b60;
  --card: rgba(255, 255, 255, 0.72);
  --card-border: rgba(255, 255, 255, 0.9);
  --line: rgba(59, 47, 30, 0.1);
  --accent1: #5b4bff;
  --accent2: #ff4d8d;
  --wash1: rgba(91, 75, 255, 0.14);
  --wash2: rgba(255, 77, 141, 0.1);
  --shadow: 0 10px 30px rgba(59, 47, 30, 0.08);
  --radius: 24px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131211;
    --ink: #f2ede6;
    --muted: #a39a8f;
    --card: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.08);
    --line: rgba(255, 255, 255, 0.08);
    --accent1: #8a7fff;
    --accent2: #ff79a8;
    --wash1: rgba(138, 127, 255, 0.2);
    --wash2: rgba(255, 121, 168, 0.14);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: "Manrope", system-ui, -apple-system, sans-serif;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--bg);
  /* The app's soft accent washes. */
  background-image:
    radial-gradient(900px 600px at 100% 0%, var(--wash1), transparent 70%),
    radial-gradient(800px 600px at 0% 100%, var(--wash2), transparent 70%);
  background-attachment: fixed;
  min-height: 100vh;
}

a {
  color: var(--accent1);
  font-weight: 700;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  padding: 22px 0;
}

header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}

.brand:hover {
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.wordmark {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.wordmark sup {
  font-size: 0.55em;
  color: var(--accent2);
  -webkit-text-fill-color: var(--accent2);
}

nav a {
  color: var(--muted);
  margin-left: 18px;
  font-size: 15px;
}

/* Hero */
.hero {
  text-align: center;
  padding: 40px 0 24px;
}

.hero .icon {
  width: 112px;
  height: 112px;
  border-radius: 26px;
  box-shadow: var(--shadow);
}

h1 {
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 24px 0 14px;
}

.gradient {
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  font-size: 19px;
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 28px;
}

.button {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 999px;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
  box-shadow: 0 10px 24px rgba(91, 75, 255, 0.3);
}

.button:hover {
  text-decoration: none;
  filter: brightness(1.05);
}

.note {
  display: block;
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
}

/* Phone screenshots */
.phones {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 22px;
  padding: 36px 0 20px;
}

.phones img {
  width: 30%;
  max-width: 270px;
  border-radius: 34px;
  border: 6px solid #0f0e0d;
  box-shadow: 0 24px 50px rgba(30, 27, 22, 0.22);
}

.phones img:nth-child(2) {
  transform: translateY(-24px);
}

/* Cards */
section {
  padding: 36px 0;
}

h2 {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}

.section-lead {
  color: var(--muted);
  margin: 0 0 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.card .emoji {
  font-size: 30px;
  line-height: 1;
}

.card h3 {
  font-size: 18px;
  font-weight: 800;
  margin: 12px 0 6px;
}

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

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
}

.split img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.plus-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(90deg, var(--accent1), var(--accent2));
}

ul.ticks {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}

ul.ticks li {
  padding: 6px 0 6px 30px;
  position: relative;
}

ul.ticks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 6px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 800;
  line-height: 20px;
  text-align: center;
  color: #fff;
  background: var(--accent1);
}

/* FAQ */
details {
  border-top: 1px solid var(--line);
  padding: 14px 0;
}

details:first-of-type {
  border-top: none;
}

summary {
  cursor: pointer;
  font-weight: 800;
}

details p {
  color: var(--muted);
  margin: 10px 0 0;
}

/* Legal pages */
.doc {
  max-width: 760px;
  margin: 10px auto 40px;
}

.doc h1 {
  font-size: clamp(30px, 5vw, 42px);
  margin-top: 10px;
}

.doc h2 {
  font-size: 22px;
  margin-top: 30px;
}

.doc p,
.doc li {
  color: var(--ink);
}

.doc .muted {
  color: var(--muted);
}

.doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.doc th,
.doc td {
  text-align: left;
  vertical-align: top;
  padding: 10px 8px;
  border-top: 1px solid var(--line);
}

/* Footer */
footer {
  padding: 36px 0 48px;
  color: var(--muted);
  font-size: 14px;
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

footer a {
  color: var(--muted);
  margin-left: 16px;
}

/* Light/dark pictures */
.dark-only {
  display: none;
}

@media (prefers-color-scheme: dark) {
  .light-only {
    display: none;
  }

  .dark-only {
    display: block;
  }
}

@media (max-width: 720px) {
  h1 {
    font-size: 30px;
  }

  .lead {
    font-size: 17px;
  }

  nav a:not(.keep) {
    display: none;
  }

  .phones {
    gap: 10px;
  }

  .phones img {
    border-radius: 22px;
    border-width: 4px;
  }

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

  footer a {
    margin: 0 16px 0 0;
  }
}