/* ============================================================
   Lyapp — landing page styles
   Palette: off-white base · light grey sections · dark blue ink/accents
   ============================================================ */

:root {
  /* fonts (overridable by Tweaks) */
  --font-head: "Newsreader", Georgia, serif;
  --font-body: "DM Sans", system-ui, sans-serif;

  /* core palette */
  --off-white: #f7f5f0;
  --off-white-2: #fbfaf6;
  --grey: #e5e8ee;
  --grey-2: #dce0e8;
  --navy: #16294a;
  --navy-ink: #182b4d;
  --navy-600: #213c6b;
  --navy-700: #1b3157;
  --line: rgba(22, 41, 74, 0.10);

  /* playful muted accents (used sparingly, inside app mockups) */
  --pl-1: #d9b96a; /* gold  */
  --pl-2: #8fa9c9; /* steel */
  --pl-3: #c79a86; /* clay  */
  --pl-4: #9fb89a; /* sage  */

  /* semantic (default scheme) */
  --page-bg: var(--off-white);
  --ink: var(--navy-ink);
  --ink-soft: rgba(24, 43, 77, 0.62);
  --primary: var(--navy);
  --primary-hover: #213c6b;
  --on-primary: #f7f5f0;
  --card: #ffffff;
  --card-line: var(--line);
  --radius: 22px;
  --radius-lg: 30px;
  --shadow-sm: 0 2px 8px rgba(22, 41, 74, 0.06);
  --shadow-md: 0 18px 50px -20px rgba(22, 41, 74, 0.28);
  --shadow-phone: 0 40px 90px -30px rgba(22, 41, 74, 0.45);
  --maxw: 1180px;
}

/* ---- section background roles ---- */
.sec-hero   { background: var(--grey); }
.sec-how    { background: var(--off-white); }
.sec-all    { background: var(--grey); }
.sec-cta    { background: var(--navy); color: var(--on-primary); }
.sec-footer { background: var(--navy-700); color: var(--on-primary); }

/* =========== COLOR-APPLICATION VARIANTS (Tweaks) =========== */
/* 2 · Navy hero */
[data-scheme="navy-hero"] .sec-hero { background: var(--navy); color: var(--on-primary); }
[data-scheme="navy-hero"] .sec-hero .h1,
[data-scheme="navy-hero"] .sec-hero .lead { color: var(--on-primary); }
[data-scheme="navy-hero"] .sec-hero .lead { color: rgba(247,245,240,0.78); }
[data-scheme="navy-hero"] .nav { background: rgba(22,41,74,0.0); }
[data-scheme="navy-hero"] .sec-hero .btn-primary { background: var(--off-white); color: var(--navy); }
[data-scheme="navy-hero"] .sec-hero .btn-primary:hover { background: #fff; }

/* 3 · Light-grey base */
[data-scheme="grey-base"] { }
[data-scheme="grey-base"] .sec-hero { background: var(--grey-2); }
[data-scheme="grey-base"] .sec-how  { background: var(--grey); }
[data-scheme="grey-base"] .sec-all  { background: var(--grey-2); }
[data-scheme="grey-base"] body      { background: var(--grey); }

/* ============================================================ */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--page-bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

.h1, .h2, .h3 { font-family: var(--font-head); font-weight: 500; line-height: 1.04; letter-spacing: -0.015em; margin: 0; }
.h1 { font-size: clamp(40px, 6vw, 70px); }
.h2 { font-size: clamp(30px, 4vw, 46px); }
.h3 { font-size: 21px; font-weight: 600; letter-spacing: -0.01em; }
.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--primary); opacity: 0.85; }
.lead { font-size: clamp(17px, 1.5vw, 20px); color: var(--ink-soft); margin: 0; max-width: 46ch; }
.italic { font-style: italic; }

/* ---------------- buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-body); font-weight: 600; font-size: 16px;
  padding: 14px 24px; border-radius: 999px; border: 1.5px solid transparent;
  cursor: pointer; transition: transform .18s ease, background .18s ease, box-shadow .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: var(--primary); color: var(--on-primary); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-primary .arr { transition: transform .2s ease; }
.btn-primary:hover .arr { transform: translateX(4px); }
.btn-ghost { background: transparent; color: var(--on-primary); border-color: rgba(247,245,240,.45); }
.btn-ghost:hover { background: rgba(247,245,240,.12); }
.btn-light { background: var(--off-white); color: var(--navy); }
.btn-light:hover { background: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ---------------- nav ---------------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--page-bg) 78%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-size: 26px; font-weight: 600; letter-spacing: -0.02em; color: var(--primary); }
.brand .mark { width: 30px; height: 30px; display: grid; place-items: center; }
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a { font-weight: 500; font-size: 16px; color: var(--ink); opacity: .8; transition: opacity .15s, color .15s; }
.nav-links a:hover { opacity: 1; }
.nav-links a.cta { margin-left: 6px; color: var(--on-primary); }
[data-scheme="navy-hero"] .nav-links a.cta { color: var(--on-primary); }
.nav-toggle { display: none; }

/* ---------------- hero ---------------- */
.sec-hero { padding: clamp(40px, 7vw, 88px) 0 clamp(56px, 8vw, 110px); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.hero-copy { max-width: 540px; }
.hero-copy .h1 { margin-bottom: 22px; }
.hero-copy .lead { margin-bottom: 34px; }
.hero-art { display: flex; justify-content: center; position: relative; }
.hero-art .blob {
  position: absolute; inset: -8% -4% -8% -4%; z-index: 0;
  background: radial-gradient(60% 55% at 60% 40%, color-mix(in srgb, var(--navy) 12%, transparent), transparent 70%);
  filter: blur(8px);
}
.hero-art .phone { position: relative; z-index: 1; }

/* hero layout variants */
[data-hero="left"] .hero-grid { grid-template-columns: 0.95fr 1.05fr; }
[data-hero="left"] .hero-art  { order: -1; }
[data-hero="center"] .hero-grid { grid-template-columns: 1fr; text-align: center; justify-items: center; gap: 40px; }
[data-hero="center"] .hero-copy { max-width: 620px; }
[data-hero="center"] .hero-copy .lead { margin-left: auto; margin-right: auto; }
[data-hero="center"] .hero-actions { justify-content: center; }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------------- generic section ---------------- */
.section { padding: clamp(64px, 9vw, 120px) 0; }
.sec-head { text-align: center; max-width: 680px; margin: 0 auto clamp(40px, 5vw, 64px); display: grid; gap: 16px; justify-items: center; }

/* feature cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: var(--card); border: 1px solid var(--card-line); border-radius: var(--radius-lg);
  padding: 30px 28px; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.ic-circle { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; background: color-mix(in srgb, var(--navy) 10%, transparent); color: var(--primary); margin-bottom: 20px; }
.ic-circle svg { width: 26px; height: 26px; }
.card .h3 { margin-bottom: 10px; }
.card p { margin: 0; color: var(--ink-soft); font-size: 15.5px; }

/* compete block */
.compete { display: grid; grid-template-columns: 1fr 0.85fr; gap: 56px; align-items: center; margin-top: clamp(56px, 7vw, 90px); }
.board { background: var(--card); border: 1px solid var(--card-line); border-radius: var(--radius-lg); padding: 12px; box-shadow: var(--shadow-sm); margin: 24px 0 30px; overflow: hidden; }
.board-head { font-family: var(--font-head); font-weight: 600; font-size: 18px; padding: 14px 18px 10px; }
.board-row { display: grid; grid-template-columns: 28px 1fr auto; align-items: center; gap: 14px; padding: 16px 18px; border-radius: 16px; font-weight: 500; }
.board-row + .board-row { margin-top: 2px; }
.board-row .rank { font-family: var(--font-head); font-weight: 600; font-size: 18px; color: var(--ink-soft); }
.board-row .who { display: flex; align-items: center; gap: 12px; }
.board-row .pts { font-weight: 600; color: var(--primary); font-variant-numeric: tabular-nums; }
.board-row.top { background: color-mix(in srgb, var(--pl-1) 26%, var(--off-white)); }
.board-row.r2 { background: color-mix(in srgb, var(--navy) 5%, transparent); }
.board-row.r3 { background: color-mix(in srgb, var(--navy) 3%, transparent); }

.avatar { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-size: 12px; font-weight: 700; font-family: var(--font-body); flex: none; }

/* all-in-one phones */
.phone-row { display: flex; justify-content: center; align-items: flex-start; gap: clamp(10px, 3vw, 34px); flex-wrap: wrap; }
.phone-row .phone.mid { transform: translateY(-22px); }

/* receipt-scan section */
.scan-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: clamp(36px, 6vw, 72px); align-items: center; }
.scan-art { display: flex; justify-content: center; }
.steps { display: grid; gap: 18px; margin: 28px 0 32px; }
.step { display: flex; gap: 16px; align-items: flex-start; }
.step .n { width: 34px; height: 34px; border-radius: 50%; flex: none; display: grid; place-items: center; font-family: var(--font-head); font-weight: 600; font-size: 16px; background: color-mix(in srgb, var(--navy) 10%, transparent); color: var(--primary); }
.step .st-t { font-weight: 600; font-size: 16.5px; margin: 4px 0 3px; }
.step .st-d { color: var(--ink-soft); font-size: 14.5px; margin: 0; }

/* community-wall section */
.wall-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(36px, 6vw, 72px); align-items: center; }
.wall-art { display: flex; justify-content: center; }
.feat-list { display: grid; gap: 14px; margin: 26px 0 32px; }
.feat-item { display: flex; gap: 13px; align-items: flex-start; }
.feat-item .fic { width: 40px; height: 40px; border-radius: 12px; flex: none; display: grid; place-items: center; background: color-mix(in srgb, var(--navy) 9%, transparent); color: var(--primary); }
.feat-item .fic svg { width: 20px; height: 20px; }
.feat-item .ft { font-weight: 600; font-size: 16px; margin: 3px 0 2px; }
.feat-item .fd { color: var(--ink-soft); font-size: 14.5px; margin: 0; }

/* points-system section */
.pts-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(36px, 6vw, 72px); align-items: center; }
.pts-art { display: flex; justify-content: center; }
.points-card { background: var(--card); border: 1px solid var(--card-line); border-radius: var(--radius-lg); padding: 12px 16px; box-shadow: var(--shadow-sm); margin: 26px 0 30px; }
.pc-row { display: flex; align-items: center; gap: 14px; padding: 14px 4px; }
.pc-row + .pc-row { border-top: 1px solid var(--line); }
.pc-row .pc-ic { width: 40px; height: 40px; border-radius: 12px; flex: none; display: grid; place-items: center; font-size: 19px; background: color-mix(in srgb, var(--navy) 7%, #fff); }
.pc-row .pc-name { font-weight: 600; font-size: 15.5px; }
.pc-row .pc-pts { margin-left: auto; font-family: var(--font-head); font-weight: 600; font-size: 18px; color: var(--primary); white-space: nowrap; }
.pc-row .pc-pts span { font-family: var(--font-body); font-weight: 600; font-size: 12px; color: var(--ink-soft); }

/* shared-groceries section */
.groc-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: clamp(36px, 6vw, 72px); align-items: center; }
.groc-sec-art { display: flex; justify-content: center; }

/* map section */
.map-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(36px, 6vw, 72px); align-items: center; }
.map-art { display: flex; justify-content: center; }
.map-art .phone-screen { cursor: default; }

/* ---------------- CTA band ---------------- */
.sec-cta { padding: clamp(70px, 9vw, 120px) 0; text-align: center; }
.sec-cta .h2 { color: var(--on-primary); margin-bottom: 18px; }
.sec-cta p { color: rgba(247,245,240,.8); max-width: 56ch; margin: 0 auto 34px; font-size: 18px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------------- footer ---------------- */
.sec-footer { padding: 70px 0 40px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 36px; }
.foot-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-size: 26px; font-weight: 600; }
.foot-col h4 { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; opacity: .6; margin: 0 0 16px; font-weight: 600; }
.foot-col a, .foot-col p { display: block; color: rgba(247,245,240,.82); margin: 0 0 12px; font-size: 15px; }
.foot-col a:hover { color: #fff; }
.foot-tag { color: rgba(247,245,240,.72); max-width: 30ch; margin: 16px 0 0; font-size: 15px; }
.gplay { display: inline-flex; align-items: center; gap: 10px; border: 1px solid rgba(247,245,240,.3); border-radius: 12px; padding: 10px 16px; transition: border-color .15s, background .15s; }
.gplay:hover { border-color: rgba(247,245,240,.6); background: rgba(247,245,240,.06); }
.foot-bottom { border-top: 1px solid rgba(247,245,240,.15); margin-top: 48px; padding-top: 24px; font-size: 13.5px; color: rgba(247,245,240,.55); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
/* fail-safe: once anim-done is set, force final state regardless of transition state */
.anim-done .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }

/* ---------------- responsive ---------------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; justify-items: center; gap: 36px; }
  .hero-copy .lead { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  [data-hero="left"] .hero-art { order: 0; }
  .cards { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .compete { grid-template-columns: 1fr; gap: 36px; }
  .scan-grid { grid-template-columns: 1fr; gap: 36px; text-align: center; justify-items: center; }
  .scan-art { order: -1; }
  .steps { text-align: left; }
  .wall-grid { grid-template-columns: 1fr; gap: 36px; text-align: center; justify-items: center; }
  .wall-art { order: -1; }
  .feat-list { text-align: left; }
  .pts-grid { grid-template-columns: 1fr; gap: 36px; text-align: center; justify-items: center; }
  .pts-art { order: -1; }
  .points-card { text-align: left; width: 100%; max-width: 420px; }
  .map-grid { grid-template-columns: 1fr; gap: 36px; text-align: center; justify-items: center; }
  .map-art { order: -1; }
  .groc-grid { grid-template-columns: 1fr; gap: 36px; text-align: center; justify-items: center; }
  .groc-sec-art { order: -1; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { position: fixed; inset: 74px 0 auto 0; flex-direction: column; gap: 0; background: var(--page-bg); border-bottom: 1px solid var(--line); padding: 8px 0; transform: translateY(-120%); transition: transform .3s ease; }
  .nav-links.open { transform: none; }
  .nav-links a { padding: 14px 28px; width: 100%; opacity: .9; }
  .nav-links a.cta { padding: 14px 28px; }
  .nav-toggle { display: inline-grid; place-items: center; width: 42px; height: 42px; border: none; background: transparent; cursor: pointer; color: var(--ink); }
  .phone-row .phone.mid { transform: none; }
}
@media (max-width: 560px) {
  .foot-grid { grid-template-columns: 1fr; }
}