/* =========================================================
   WePay — Duolingo-style stylesheet
   Built from DESIGN.md tokens. Light theme only.
   Font substitutes: Fredoka (feather), Nunito (din-round).
   ========================================================= */

:root {
  /* Colors */
  --color-duo-green:        #58cc02;
  --color-duo-green-dark:   #3f8f01; /* used for 3D button bottom */
  --color-duo-green-darker: #2f6c00; /* used for hover state */
  --color-sky-blue:         #1cb0f6;
  --color-sky-blue-dark:    #0e8fc9;
  --color-duo-green-light:  #d7ffb8;
  --color-sunshine-yellow:  #ffc700;
  --color-grape-soda:       #a570ff;
  --color-bubblegum-pink:   #cc348d;
  --color-snow-white:       #ffffff;
  --color-cloud-gray:       #e5e5e5;
  --color-silver:           #afafaf;
  --color-graphite:         #777777;
  --color-charcoal:         #4b4b4b;
  --color-almost-black:     #3c3c3c;

  /* Typography — Font Families */
  --font-feather:   'Fredoka', 'Baloo 2', 'Fredoka One', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-din-round: 'Nunito', 'Varela Round', ui-sans-serif, system-ui, -apple-system, sans-serif;

  /* Typography — Scale */
  --text-caption:    13px;
  --text-body:       15px;
  --text-heading-sm: 19px;
  --text-heading:    32px;
  --text-heading-lg: 48px;
  --text-display:    64px;

  --leading-caption:    1.4;
  --leading-body:       1.4;
  --leading-heading-sm: 1.2;
  --leading-heading:    1.2;
  --leading-heading-lg: 1.2;
  --leading-display:    1.2;

  --tracking-caption:    0.69px;
  --tracking-body:       0.8px;
  --tracking-heading-sm: 1.01px;
  --tracking-heading:    1.7px;
  --tracking-heading-lg: -0.96px;
  --tracking-display:    -1.28px;

  /* Spacing */
  --spacing-8:  8px;
  --spacing-12: 12px;
  --spacing-16: 16px;
  --spacing-24: 24px;
  --spacing-32: 32px;
  --spacing-40: 40px;
  --spacing-48: 48px;
  --spacing-64: 64px;
  --spacing-80: 80px;
  --spacing-96: 96px;

  /* Layout */
  --page-max-width: 1140px;
  --card-padding:   24px;
  --header-h:       80px;

  /* Border Radius */
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { padding: 0; margin: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--color-snow-white);
  color: var(--color-almost-black);
  font-family: var(--font-din-round);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  letter-spacing: 0.053em; /* signature din-round texture */
  font-weight: 500;
  -webkit-font-smoothing: antialiased;
}

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

/* Typography */
h1, h2 {
  font-family: var(--font-feather);
  font-weight: 700;
  color: var(--color-duo-green);
  margin: 0 0 var(--spacing-24);
  letter-spacing: var(--tracking-heading-lg);
  line-height: var(--leading-heading);
}
h1 { font-size: var(--text-display);    letter-spacing: var(--tracking-display); }
h2 { font-size: var(--text-heading-lg); letter-spacing: var(--tracking-heading-lg); }

h3 {
  font-family: var(--font-din-round);
  font-weight: 700;
  font-size: var(--text-heading-sm);
  letter-spacing: var(--tracking-heading-sm);
  line-height: var(--leading-heading-sm);
  color: var(--color-charcoal);
  margin: 0 0 var(--spacing-12);
}
h4 {
  font-family: var(--font-din-round);
  font-weight: 700;
  font-size: var(--text-body);
  letter-spacing: var(--tracking-body);
  color: var(--color-graphite);
  margin: 0 0 var(--spacing-12);
  text-transform: uppercase;
}

p {
  color: var(--color-graphite);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  margin: 0 0 var(--spacing-16);
}

/* Sky-blue is the only link color per design system */
a {
  color: var(--color-sky-blue);
  text-decoration: none;
  font-weight: 700;
}
a:hover { text-decoration: underline; }

code, kbd, pre {
  font-family: ui-monospace, SFMono-Regular, 'JetBrains Mono', monospace;
  font-size: 0.92em;
  background: var(--color-duo-green-light);
  border-radius: 6px;
  padding: 2px 6px;
  color: var(--color-almost-black);
  letter-spacing: 0;
}
pre { padding: 16px; overflow: auto; }

/* Container */
.container {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-24);
}

/* Header */
.site-header {
  height: var(--header-h);
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--color-cloud-gray);
}
.site-header .container {
  display: flex; align-items: center; gap: var(--spacing-32);
  width: 100%;
}
.brand {
  display: inline-flex; align-items: center; gap: var(--spacing-12);
  font-family: var(--font-feather);
  font-weight: 700;
  font-size: 28px;
  color: var(--color-duo-green);
  letter-spacing: -0.02em;
}
.brand:hover { text-decoration: none; }
/* Two-tone "wepay" wordmark — matches the app icon (we = charcoal, pay = icon green) */
.brand .wordmark { display: inline-flex; line-height: 1; }
.brand .wm-we  { color: #333333; }
.brand .wm-pay { color: #12c53c; }
.brand-mark {
  width: 46px; height: 46px;
  object-fit: contain;
  display: block;
  flex: none;
}

.nav {
  display: flex; align-items: center; gap: var(--spacing-8);
  margin-left: auto;
  flex-wrap: wrap;
}
.nav a {
  color: var(--color-graphite);
  font-weight: 700;
  font-size: var(--text-body);
  padding: 10px 14px;
  border-radius: var(--radius);
  text-transform: uppercase;
  letter-spacing: 0.069em;
}
.nav a:hover { color: var(--color-charcoal); text-decoration: none; background: var(--color-cloud-gray); }
.nav a.active { color: var(--color-duo-green); }
.nav-toggle {
  display: none;
  margin-left: auto;
  background: transparent;
  border: 2px solid var(--color-cloud-gray);
  border-radius: var(--radius);
  font-family: var(--font-din-round);
  font-weight: 700;
  font-size: var(--text-body);
  color: var(--color-graphite);
  padding: 8px 14px;
  cursor: pointer;
  letter-spacing: 0.053em;
  text-transform: uppercase;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius);
  font-family: var(--font-din-round);
  font-size: var(--text-body);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.069em;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  padding: 16px 32px;
  transition: transform .08s ease, box-shadow .08s ease, background-color .15s ease, color .15s ease;
}
.btn:hover { text-decoration: none; }
.btn:focus-visible {
  outline: 4px solid color-mix(in srgb, var(--color-sky-blue) 30%, transparent);
  outline-offset: 2px;
}

/* Primary — Duo Green with signature 3D bottom shadow */
.btn-primary {
  background: var(--color-duo-green);
  color: #ffffff;
  box-shadow: 0 4px 0 var(--color-duo-green-dark);
}
.btn-primary:hover {
  background: #61dc06;
  color: #ffffff;
}
.btn-primary:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 var(--color-duo-green-dark);
}

/* Secondary outline — sky-blue text, cloud-gray border */
.btn-outline {
  background: #ffffff;
  color: var(--color-sky-blue);
  border-color: var(--color-cloud-gray);
  box-shadow: 0 2px 0 var(--color-cloud-gray);
  padding: 14px 24px;
}
.btn-outline:hover {
  background: #f9f9f9;
  color: var(--color-sky-blue);
}
.btn-outline:active {
  transform: translateY(2px);
  box-shadow: 0 0 0 var(--color-cloud-gray);
}

/* Sizes */
.btn-lg { padding: 20px 40px; font-size: var(--text-heading-sm); }
.btn-sm { padding: 10px 18px; font-size: var(--text-caption); }

/* Official App Store download badge */
.appstore-badge {
  display: inline-flex;
  border-radius: 12px;
  transition: transform .08s ease;
  line-height: 0;
}
.appstore-badge:hover { text-decoration: none; transform: translateY(-2px); }
.appstore-badge:active { transform: translateY(1px); }
.appstore-badge:focus-visible {
  outline: 4px solid color-mix(in srgb, var(--color-sky-blue) 30%, transparent);
  outline-offset: 3px;
}
.appstore-badge img { height: 70px; width: auto; display: block; }
@media (max-width: 760px) { .appstore-badge img { height: 58px; } }
section {
  padding: var(--spacing-96) 0;
}
.section-narrow { padding: var(--spacing-64) 0; }

/* Hero */
.hero {
  padding: var(--spacing-80) 0 var(--spacing-64);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--spacing-64);
  align-items: center;
}
.hero-art { display: grid; place-items: center; }
.hero-art svg { width: 100%; max-width: 460px; height: auto; }
.hero-kicker {
  font-family: var(--font-feather);
  font-weight: 700;
  font-size: var(--text-heading-sm);
  color: var(--color-duo-green);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 var(--spacing-12);
}
.hero-copy h1 { margin-bottom: var(--spacing-16); }
.hero-copy p {
  font-size: var(--text-heading-sm);
  color: var(--color-charcoal);
  margin-bottom: var(--spacing-32);
}
.hero-cta { display: flex; gap: var(--spacing-16); flex-wrap: wrap; align-items: center; }
.hero-foot {
  margin-top: var(--spacing-24);
  font-size: var(--text-caption);
  color: var(--color-silver);
  letter-spacing: var(--tracking-caption);
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-40);
  }
  .hero-art { order: -1; }
  .hero-art svg { max-width: 320px; }
  .hero-cta { justify-content: flex-start; }
}

/* Feature section — alternating two-column */
.feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--spacing-80);
  align-items: center;
}
.feature.reverse > .feature-art { order: 2; }
.feature-art { display: grid; place-items: center; }
.feature-art svg { width: 100%; max-width: 380px; }
.feature-copy h2 { font-size: var(--text-heading); letter-spacing: var(--tracking-heading); }
.feature-copy h2.green { color: var(--color-duo-green); }
.feature-copy p { font-size: var(--text-heading-sm); color: var(--color-charcoal); }

@media (max-width: 900px) {
  .feature {
    grid-template-columns: 1fr;
    gap: var(--spacing-32);
  }
  .feature.reverse > .feature-art { order: 0; }
  .feature-art svg { max-width: 280px; }
}

/* Section header (centered) */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--spacing-64);
}
.section-header h2 { color: var(--color-duo-green); }
.section-header p { font-size: var(--text-heading-sm); color: var(--color-charcoal); margin: 0; }

/* "How it works" — three column step row */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-48);
}
.step { text-align: center; }
.step-art { width: 140px; height: 140px; margin: 0 auto var(--spacing-16); }
.step-art svg { width: 100%; height: 100%; }
.step-num {
  display: inline-block;
  background: var(--color-duo-green-light);
  color: var(--color-duo-green-darker);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: var(--text-caption);
  letter-spacing: 0.08em;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: var(--spacing-12);
}
.step h3 { color: var(--color-almost-black); }
.step p { color: var(--color-graphite); }

@media (max-width: 760px) {
  .steps { grid-template-columns: 1fr; gap: var(--spacing-40); }
}

/* Card list (used on draw teaser + feature grids) */
.tile-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-24);
}
.tile {
  border: 2px solid var(--color-cloud-gray);
  border-radius: var(--radius);
  padding: var(--card-padding);
  background: #fff;
  text-align: left;
  box-shadow: 0 2px 0 var(--color-cloud-gray);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.tile:hover {
  transform: translateY(-4px);
  border-color: #d2efba;
  box-shadow: 0 8px 0 #e9f7dc;
}
.tile h3 { color: var(--color-almost-black); margin-bottom: var(--spacing-8); }
.tile .pill {
  display: inline-block;
  font-family: var(--font-din-round);
  font-size: var(--text-caption);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: var(--spacing-12);
}
.pill.green {  background: var(--color-duo-green-light); color: var(--color-duo-green-darker); }
.pill.blue  {  background: #d9f1ff;                       color: var(--color-sky-blue-dark);   }
.pill.yellow{  background: #fff2b3;                       color: #8a6500;                      }
.pill.pink  {  background: #ffd9ee;                       color: var(--color-bubblegum-pink);  }

@media (max-width: 900px) { .tile-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .tile-grid { grid-template-columns: 1fr; } }

/* Stats row */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-16);
  margin-top: var(--spacing-48);
}
.stat {
  border: 2px solid var(--color-cloud-gray);
  border-radius: var(--radius);
  padding: var(--spacing-24);
  text-align: center;
  background: #fff;
  transition: transform .15s ease, border-color .15s ease;
}
.stat:hover { transform: translateY(-4px); border-color: #d2efba; }
.stat .num {
  font-family: var(--font-feather);
  font-weight: 700;
  font-size: var(--text-heading);
  color: var(--color-duo-green);
  display: block;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.stat .lbl {
  font-size: var(--text-caption);
  color: var(--color-graphite);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}
@media (max-width: 760px) { .stat-row { grid-template-columns: 1fr 1fr; } }

/* Final CTA */
.final-cta {
  text-align: center;
  padding: var(--spacing-96) 0;
}
.final-cta h2 { color: var(--color-duo-green); }
.final-cta p { font-size: var(--text-heading-sm); color: var(--color-charcoal); }

/* Doc pages */
.doc {
  max-width: 760px;
  margin: 0 auto;
  padding: var(--spacing-64) 0;
}
.doc h1 {
  font-size: var(--text-heading);
  letter-spacing: var(--tracking-heading);
  margin-bottom: var(--spacing-8);
  color: var(--color-almost-black);
}
.doc .updated {
  display: block;
  margin-bottom: var(--spacing-40);
  color: var(--color-silver);
  font-size: var(--text-caption);
  letter-spacing: var(--tracking-caption);
}
.doc h2 {
  font-size: var(--text-heading-sm);
  font-family: var(--font-feather);
  color: var(--color-duo-green);
  margin-top: var(--spacing-48);
  letter-spacing: -0.02em;
}
.doc h3 {
  margin-top: var(--spacing-32);
  color: var(--color-charcoal);
  font-size: var(--text-body);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.doc ul, .doc ol { padding-left: var(--spacing-24); margin: 0 0 var(--spacing-16); }
.doc li { color: var(--color-graphite); margin-bottom: 6px; }
.doc blockquote {
  border-left: 4px solid var(--color-duo-green);
  background: var(--color-duo-green-light);
  margin: var(--spacing-16) 0;
  padding: var(--spacing-12) var(--spacing-16);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--color-charcoal);
}
.doc .todo-note {
  display: inline-block;
  background: #fff2b3;
  color: #8a6500;
  border: 1px dashed #d6a200;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.85em;
  font-family: ui-monospace, SFMono-Regular, 'JetBrains Mono', monospace;
  letter-spacing: 0;
}

/* Tables */
.table-wrap {
  border: 2px solid var(--color-cloud-gray);
  border-radius: var(--radius);
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-body);
}
th, td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-cloud-gray);
}
th {
  background: var(--color-duo-green-light);
  color: var(--color-duo-green-darker);
  text-transform: uppercase;
  font-size: var(--text-caption);
  letter-spacing: 0.08em;
}
tr:last-child td { border-bottom: none; }
td { color: var(--color-charcoal); }

/* Callouts */
.callout {
  background: #d9f1ff;
  border-left: 4px solid var(--color-sky-blue);
  padding: var(--spacing-16) var(--spacing-24);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: var(--spacing-24) 0;
}
.callout.warn { background: #fff2b3; border-left-color: var(--color-sunshine-yellow); }
.callout.good { background: var(--color-duo-green-light); border-left-color: var(--color-duo-green); }
.callout p { margin: 0; color: var(--color-charcoal); }
.callout strong { color: var(--color-almost-black); }

/* Form */
.form-card {
  max-width: 720px;
  margin: 0 auto;
  border: 2px solid var(--color-cloud-gray);
  border-radius: var(--radius);
  padding: var(--spacing-40);
  background: #fff;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label {
  font-size: var(--text-caption);
  font-weight: 700;
  color: var(--color-charcoal);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.field input, .field select, .field textarea {
  font-family: var(--font-din-round);
  font-size: var(--text-body);
  letter-spacing: 0.053em;
  font-weight: 500;
  color: var(--color-almost-black);
  background: #ffffff;
  border: 2px solid var(--color-cloud-gray);
  border-radius: var(--radius);
  padding: 12px 14px;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--color-silver); }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--color-sky-blue);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-sky-blue) 20%, transparent);
}
.field textarea { min-height: 140px; resize: vertical; }
.field .hint { color: var(--color-silver); font-size: var(--text-caption); }
.form-actions {
  display: flex; justify-content: space-between; align-items: center;
  gap: var(--spacing-16); flex-wrap: wrap;
  margin-top: var(--spacing-24);
}
.form-actions .hint { color: var(--color-graphite); font-size: var(--text-caption); }
.field-check {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: var(--text-caption);
  color: var(--color-graphite);
  letter-spacing: var(--tracking-caption);
  font-weight: 500;
  text-transform: none;
}
.field-check input[type="checkbox"] { margin-top: 3px; }
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }

/* Free-entry form bits (location + phone + turnstile) */
.loc-row { display: flex; gap: 12px; align-items: stretch; }
.loc-row input { flex: 1; }
.loc-row .btn { white-space: nowrap; }
.phone-row { display: flex; align-items: stretch; }
.phone-prefix {
  display: inline-flex; align-items: center; padding: 0 14px;
  border: 2px solid var(--color-cloud-gray); border-right: none;
  border-radius: var(--radius) 0 0 var(--radius);
  background: #f7f7f7; color: var(--color-graphite); font-weight: 700;
}
.phone-row input { border-radius: 0 var(--radius) var(--radius) 0; flex: 1; }
.cf-turnstile { margin: 2px 0 8px; }
@media (max-width: 600px) { .loc-row { flex-direction: column; } }

/* Footer */
.site-footer {
  margin-top: var(--spacing-96);
  border-top: 2px solid var(--color-cloud-gray);
  background: #ffffff;
  padding: var(--spacing-48) 0 var(--spacing-32);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-32);
}
.footer-grid h4 {
  font-size: var(--text-caption);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-graphite);
  margin-bottom: var(--spacing-16);
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: var(--color-sky-blue); }
.footer-bottom {
  margin-top: var(--spacing-32);
  padding-top: var(--spacing-16);
  border-top: 1px solid var(--color-cloud-gray);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  font-size: var(--text-caption);
  color: var(--color-silver);
  letter-spacing: var(--tracking-caption);
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* =========================================================
   Motion & delight — gentle, Duolingo-flavoured
   ========================================================= */

/* Soft green glow behind the hero mascot */
.hero-art { position: relative; }
.hero-art::before {
  content: "";
  position: absolute;
  inset: 8% 6%;
  background: radial-gradient(closest-side, var(--color-duo-green-light) 0%, rgba(215, 255, 184, 0) 72%);
  z-index: -1;
  border-radius: 50%;
}

/* Hero mascot bobs softly */
.hero-art img, .hero-art svg { animation: float 5.5s ease-in-out infinite; }
.feature-art img, .feature-art svg { animation: float 6.5s ease-in-out infinite; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

/* Step illustrations get a tiny staggered bob */
.step-art { animation: float 5s ease-in-out infinite; }
.step:nth-child(2) .step-art { animation-delay: .6s; }
.step:nth-child(3) .step-art { animation-delay: 1.2s; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

/* Respect users who prefer less motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* Mobile nav */
@media (max-width: 760px) {
  .nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #ffffff;
    border-bottom: 2px solid var(--color-cloud-gray);
    padding: var(--spacing-16) var(--spacing-24);
    gap: 6px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 14px; }
  .nav-toggle { display: inline-flex; }
  h1 { font-size: 40px; }
  h2 { font-size: 32px; }
  .doc h1 { font-size: 28px; }
}