/* Papalingo landing — dark, founder-voice, app-matching tokens.
   Aligned 1:1 with Flutter app theme (theme.dart): jungle-green primary,
   sienna accent, yellow secondary, dark surfaces. */

:root {
  /* Brand */
  --brand-jungle:    #2a9d90;
  --brand-jungle-d:  #1e7a70;
  --brand-yellow:    #f9d44e;
  --brand-sienna:    #e76e50;
  --brand-sand:      #f4a462;
  --brand-dianne:    #274754;

  /* Jungle tints */
  --jungle-12: color-mix(in oklab, var(--brand-jungle) 12%, transparent);
  --jungle-20: color-mix(in oklab, var(--brand-jungle) 20%, transparent);
  --jungle-40: color-mix(in oklab, var(--brand-jungle) 40%, transparent);

  /* Dark surfaces */
  --bg:           #14181a;
  --bg-elev:      #181d1f;
  --surface:      #1c2123;
  --surface-2:    #22282a;
  --border:       #313737;
  --border-strong:#4a5051;
  --divider:      #2c3234;

  --text:           #e9e7e2;
  --text-secondary: #a8a69e;
  --text-tertiary:  #747268;
  --text-on-primary:#ffffff;

  --accent: var(--brand-sienna);
  --primary: var(--brand-jungle);
  --secondary: var(--brand-yellow);

  /* Type scale */
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Radii */
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-full: 9999px;

  /* Shadows */
  --shadow-md: 0 8px 24px rgba(0,0,0,.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.55);
  --shadow-jungle: 0 16px 40px color-mix(in oklab, var(--primary) 30%, transparent);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ─── nav ─── */
.nav {
  position: sticky; top: 0; z-index: 50;
  padding: 18px 32px;
  display: flex; align-items: center;
  border-bottom: 1px solid var(--divider);
  background: color-mix(in oklab, var(--bg) 85%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.nav__container {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; gap: 24px;
  width: 100%;
}
.nav__logo { display: flex; align-items: center; gap: 10px; }
.nav__logo-img { height: 32px; width: auto; }
.nav__logo-text { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }
.nav__spacer { flex: 1; }
.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__link {
  padding: 8px 12px; font-size: 13px; color: var(--text-secondary);
  transition: color .2s var(--ease);
}
.nav__link:hover { color: var(--text); }
.nav__lang-switcher { position: relative; }
.nav__lang-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 12px;
  background: transparent; border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font: 600 12px var(--font-ui);
  letter-spacing: .04em; text-transform: uppercase;
  color: var(--text-secondary); cursor: pointer;
  transition: background .15s var(--ease), color .15s var(--ease);
}
.nav__lang-btn:hover { background: var(--surface); color: var(--text); }
.nav__lang-dropdown {
  display: none; position: absolute; top: calc(100% + 6px); right: 0;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); box-shadow: var(--shadow-md);
  min-width: 180px; overflow: hidden; z-index: 60;
}
.nav__lang-dropdown--open { display: block; }
.nav__lang-option {
  display: block; padding: 10px 16px;
  font-size: 13px; color: var(--text);
  transition: background .12s var(--ease);
}
.nav__lang-option:hover { background: var(--jungle-12); color: var(--primary); }
.nav__lang-option--active { color: var(--primary); font-weight: 600; }

/* ─── buttons ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 14px var(--font-ui);
  border-radius: var(--r-md);
  cursor: pointer; transition: transform .15s var(--ease), background .15s var(--ease);
  border: 1px solid transparent; text-decoration: none;
}
.btn--sm { padding: 8px 14px; font-size: 13px; }
.btn--md { padding: 10px 18px; font-size: 14px; }
.btn--lg { padding: 14px 22px; font-size: 15px; }

.btn--primary {
  background: var(--primary); color: var(--text-on-primary);
  box-shadow: 0 10px 24px color-mix(in oklab, var(--primary) 30%, transparent);
}
.btn--primary:hover { background: var(--brand-jungle-d); transform: translateY(-1px); }

.btn--accent {
  background: var(--accent); color: #fff;
  box-shadow: 0 10px 24px color-mix(in oklab, var(--accent) 30%, transparent);
}
.btn--accent:hover { transform: translateY(-1px); }

.btn--outline {
  background: transparent; color: var(--text);
  border-color: var(--border);
}
.btn--outline:hover { background: var(--surface); border-color: var(--border-strong); }

.btn--ghost { background: transparent; color: var(--text-secondary); }
.btn--ghost:hover { color: var(--text); }

.btn--store {
  background: #000; color: #fff; border-color: #1a1a1a;
}
.btn--store:hover { background: #111; }

.btn[disabled], .btn--disabled {
  opacity: .6; cursor: not-allowed; pointer-events: none;
}

/* ─── helpers ─── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.label-mono {
  font: 600 11px var(--font-mono);
  letter-spacing: .15em; text-transform: uppercase;
  color: var(--primary);
}
.divider-line {
  height: 1px; background: var(--divider); width: 100%;
}

/* ─── hero ─── */
.hero {
  padding: 80px 32px 64px;
  position: relative;
}
.hero__container {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px;
  align-items: center;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  background: var(--jungle-12);
  border: 1px solid var(--jungle-40);
  color: var(--primary);
  border-radius: var(--r-full);
  font-size: 12px; font-weight: 500;
  margin-bottom: 24px;
}
.hero__badge::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--primary);
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(38px, 5vw, 56px); font-weight: 600;
  letter-spacing: -0.025em; line-height: 1.05;
}
.hero__title-accent { color: var(--accent); }
.hero__subtitle {
  font-size: 18px; color: var(--text-secondary);
  line-height: 1.5; margin: 24px 0 32px; max-width: 520px;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__checks {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  margin-top: 24px; color: var(--text-tertiary); font-size: 12px;
}
.hero__check { display: flex; align-items: center; gap: 6px; }
.hero__check svg { color: var(--primary); }

/* hero screenshot */
.hero__shot {
  position: relative;
}
.hero__shot::before {
  content: ''; position: absolute; inset: -20px;
  background: radial-gradient(ellipse at 50% 40%,
              color-mix(in oklab, var(--primary) 20%, transparent), transparent 70%);
  filter: blur(40px);
}
.hero__shot-frame {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  box-shadow: 0 30px 80px rgba(0,0,0,.4);
  padding: 18px;
  display: flex; flex-direction: column; gap: 10px;
}
.shot-tag { display: flex; align-items: center; gap: 8px; }
.shot-tag-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.shot-tag-label { font: 600 10px var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--text-tertiary); }
.shot-h1 { font: 600 22px/1.2 var(--font-display); letter-spacing: -0.01em; }
.shot-h1-accent { color: var(--accent); }
.shot-sub { font-size: 12px; color: var(--text-secondary); }
.shot-cta {
  display: flex; align-items: center; gap: 10px;
  padding: 14px;
  background: var(--primary); color: var(--text-on-primary);
  border-radius: var(--r-md);
  box-shadow: 0 6px 14px color-mix(in oklab, var(--primary) 30%, transparent);
}
.shot-cta-mascot { width: 32px; height: 32px; background: var(--surface); border-radius: var(--r-sm); }
.shot-cta-body { flex: 1; }
.shot-cta-title { font-size: 12px; font-weight: 600; }
.shot-cta-sub { font-size: 9px; opacity: .8; }
.shot-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.shot-stat { padding: 8px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-sm); }
.shot-stat-label { font-size: 9px; color: var(--text-tertiary); }
.shot-stat-val { font-size: 16px; font-weight: 600; margin-top: 2px; }
.shot-stat-val--accent { color: var(--accent); }

/* ─── proof strip ─── */
.proof {
  padding: 24px 32px;
  border-top: 1px solid var(--divider);
  border-bottom: 1px solid var(--divider);
  text-align: center;
  color: var(--text-tertiary);
  font: 500 12px var(--font-mono);
  letter-spacing: .1em; text-transform: uppercase;
}

/* ─── why ─── */
.why { padding: 96px 32px; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-eyebrow { color: var(--primary); margin-bottom: 10px; }
.section-title {
  font: 600 clamp(28px, 3.5vw, 40px)/1.15 var(--font-display);
  letter-spacing: -0.02em;
  max-width: 640px; margin: 0 auto;
}
.section-sub {
  font-size: 16px; color: var(--text-secondary);
  max-width: 560px; margin: 14px auto 0;
}
.why__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  max-width: 1100px; margin: 0 auto;
}
.why__card {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}
.why__icon {
  width: 40px; height: 40px;
  background: var(--jungle-12); color: var(--primary);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.why__title { font: 600 16px/1.3 var(--font-display); letter-spacing: -0.01em; margin-bottom: 6px; }
.why__desc { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }

/* ─── demo video ─── */
.demo { padding: 0 32px 96px; }
.demo__frame {
  position: relative;
  max-width: 1100px; margin: 0 auto;
  aspect-ratio: 16 / 9;
  border-radius: var(--r-xl);
  background: linear-gradient(135deg, var(--jungle-12), var(--surface));
  border: 1px solid var(--border);
  overflow: hidden;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.demo__glow {
  position: absolute; inset: 0;
  background: radial-gradient(circle at 40% 40%, color-mix(in oklab, var(--primary) 20%, transparent), transparent 50%);
}
.demo__body { position: relative; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.demo__play {
  width: 80px; height: 80px; border-radius: 50%;
  background: var(--primary); color: var(--text-on-primary);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 20px 48px color-mix(in oklab, var(--primary) 40%, transparent);
}
.demo__title { font: 600 14px var(--font-ui); }
.demo__sub { font-size: 12px; color: var(--text-tertiary); margin-top: 2px; }

/* ─── courses grid ─── */
.courses { padding: 0 32px 96px; max-width: 1200px; margin: 0 auto; }
.courses__header { margin-bottom: 24px; }
.courses__title {
  font: 600 clamp(24px, 3vw, 32px)/1.2 var(--font-display);
  letter-spacing: -0.02em; margin: 0 0 8px;
}
.courses__sub { font-size: 14px; color: var(--text-secondary); }
.courses__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
}
.course {
  display: flex; align-items: center; gap: 10px;
  padding: 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md);
}
.course__flag { font-size: 24px; line-height: 1; }
.course__name {
  font-size: 13px; font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.course__count { font-size: 11px; color: var(--text-tertiary); margin-top: 2px; }
.courses__footer { margin-top: 14px; font-size: 13px; color: var(--text-tertiary); }

/* ─── pricing ─── */
.pricing {
  padding: 0 32px 96px;
  max-width: 900px; margin: 0 auto;
  text-align: center;
}
.pricing__header { margin-bottom: 32px; }
.pricing__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  text-align: left;
}
.plan {
  position: relative;
  padding: 24px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: transparent;
  display: flex; flex-direction: column; gap: 14px;
}
.plan--featured {
  background: var(--surface);
  border-color: var(--primary);
}
.plan__badge {
  position: absolute; top: -10px; left: 20px;
  font: 700 10px var(--font-ui); letter-spacing: .05em;
  padding: 3px 8px; background: var(--primary); color: var(--text-on-primary);
  border-radius: var(--r-full);
}
.plan__name { font-size: 13px; font-weight: 500; color: var(--text-secondary); }
.plan__price-row { display: flex; align-items: baseline; gap: 6px; }
.plan__price {
  font: 600 36px var(--font-display); letter-spacing: -0.02em;
}
.plan__cadence { font-size: 12px; color: var(--text-tertiary); }
.plan__items { display: flex; flex-direction: column; gap: 8px; list-style: none; }
.plan__item {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 13px;
}
.plan__item svg { color: var(--primary); flex-shrink: 0; }
.plan__cta { margin-top: 4px; }

/* ─── cta-download ─── */
.cta-download { padding: 0 32px 96px; max-width: 900px; margin: 0 auto; }
.cta-download__inner {
  padding: 48px;
  background: linear-gradient(135deg, var(--jungle-20), var(--surface));
  border: 1px solid var(--jungle-40);
  border-radius: var(--r-xl);
  display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center;
}
.cta-download__title {
  font: 600 28px/1.2 var(--font-display); letter-spacing: -0.02em;
}
.cta-download__sub {
  font-size: 15px; color: var(--text-secondary); margin: 8px 0 20px;
}
.cta-download__btns { display: flex; flex-wrap: wrap; gap: 10px; }
.cta-download__mascot {
  width: 140px; height: 140px;
  background: var(--surface);
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
}
.cta-download__mascot img { width: 80%; height: 80%; object-fit: contain; }

/* ─── footer ─── */
.footer {
  padding: 32px;
  border-top: 1px solid var(--divider);
  color: var(--text-tertiary); font-size: 12px;
}
.footer__inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.footer__brand { display: flex; align-items: center; gap: 10px; }
.footer__brand img { height: 20px; }
.footer__links { display: flex; gap: 18px; }
.footer__links a { color: var(--text-tertiary); transition: color .15s var(--ease); }
.footer__links a:hover { color: var(--text); }

/* ─── responsive ─── */
@media (max-width: 900px) {
  .hero__container { grid-template-columns: 1fr; }
  .why__grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .courses__grid { grid-template-columns: repeat(2, 1fr); }
  .pricing__grid { grid-template-columns: 1fr; }
  .cta-download__inner { grid-template-columns: 1fr; text-align: left; }
  .cta-download__mascot { justify-self: center; }
}
@media (max-width: 600px) {
  .nav { padding: 14px 20px; }
  .nav__links { display: none; }
  .hero { padding: 56px 20px 40px; }
  .hero__title { font-size: 36px; }
  .container { padding: 0 20px; }
  .why, .demo, .courses, .pricing, .cta-download { padding-left: 20px; padding-right: 20px; }
  .courses__grid { grid-template-columns: 1fr; }
  .cta-download__inner { padding: 28px; }
  .footer__inner { flex-direction: column; gap: 14px; }
}

/* Legal pages (privacy, account-deletion) — long-form text, no
   marketing chrome. Same tokens, simpler grid. */
.legal { padding: 80px 24px 64px; }
.legal__inner {
  max-width: 760px;
  margin: 0 auto;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-secondary);
}
.legal__title {
  font-family: var(--font-display, var(--font-ui));
  font-size: 36px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 8px;
}
.legal__updated {
  font-size: 13px;
  color: var(--text-tertiary);
  margin: 0 0 32px;
}
.legal__section { margin: 32px 0; }
.legal__section h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
.legal__section p { margin: 0 0 12px; }
.legal__section ul { margin: 8px 0 12px; padding-left: 22px; }
.legal__section li { margin: 4px 0; }
.legal a { color: var(--text); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.legal a:hover { color: var(--brand-jungle, #6ab04c); }