/* ============================================================
   SPARK DESIGN SYSTEM  v1.0
   Shared foundation for ridewithjay.com, sparkseasonnotes.com,
   and ridewithspark.com. Each static site keeps its own copy
   (drag-drop deploy). Edit here = update the canonical system.
   Brand: Spark green #24463A + Spark gold #D4A646.
   ============================================================ */

/* ---------- 1. TOKENS ---------- */
:root {
  /* Brand */
  --green-900: #163025;            /* deepest (opaque — was an 8-digit hex w/ alpha, failed contrast on gold buttons) */
  --green-800: #1c3a2e;
  --green-700: #24463a;            /* PRIMARY */
  --green-600: #2f5848;
  --green-500: #3c6b58;
  --green-200: #cfe0d8;
  --green-100: #e6efe9;
  --green-050: #f3f7f4;

  --gold-700: #b6883a;
  --gold-600: #c79a3f;
  --gold-500: #d4a646;            /* ACCENT */
  --gold-300: #e6c987;
  --gold-100: #f6ecd2;

  /* Neutrals */
  --ink-900: #1a211e;
  --ink-700: #353f3a;
  --ink-500: #5d6b64;
  --ink-400: #7d8a83;
  --line: #e3e9e5;
  --paper: #ffffff;
  --paper-warm: #faf8f3;
  --paper-cool: #f5f8f6;

  /* Semantic */
  --primary: var(--green-700);
  --accent: var(--gold-500);
  --bg: var(--paper);
  --text: var(--ink-900);
  --muted: var(--ink-500);
  --ok: #2e7d56;
  --warn: #9a6a1a;

  /* Type */
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --fs-xs: 0.78rem;
  --fs-sm: 0.9rem;
  --fs-base: 1.02rem;
  --fs-md: 1.15rem;
  --fs-lg: 1.4rem;
  --fs-xl: 1.85rem;
  --fs-2xl: 2.4rem;
  --fs-3xl: clamp(2.4rem, 5vw, 3.6rem);
  --fs-hero: clamp(2.7rem, 6vw, 4.4rem);
  --lh-tight: 1.12;
  --lh-snug: 1.3;
  --lh-body: 1.62;

  /* Space (8pt) */
  --s1: 0.5rem; --s2: 1rem; --s3: 1.5rem; --s4: 2rem;
  --s5: 3rem; --s6: 4rem; --s7: 6rem; --s8: 8rem;

  /* Radius / shadow / motion */
  --r-sm: 8px; --r-md: 14px; --r-lg: 22px; --r-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(20,40,30,.06), 0 2px 6px rgba(20,40,30,.05);
  --shadow-md: 0 10px 24px -8px rgba(20,40,30,.16);
  --shadow-lg: 0 26px 56px -18px rgba(20,40,30,.28);
  /* Additive (final-polish): warm product-card elevation + ring; tuned for the family mocks. */
  --shadow-soft: 0 2px 4px rgba(20,40,30,.04), 0 14px 30px -14px rgba(36,70,58,.22);
  --shadow-float: 0 1px 2px rgba(20,40,30,.05), 0 30px 60px -22px rgba(36,70,58,.30);
  --ring-gold: 0 0 0 3px var(--gold-100);
  --ease: cubic-bezier(.4,0,.2,1);
  --container: 1120px;
}

/* ---------- 2. RESET / BASE ---------- */
*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font-sans); font-size: var(--fs-base);
  line-height: var(--lh-body); -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img,svg,video { max-width: 100%; height: auto; display: block; }
a { color: var(--green-600); text-decoration-thickness: .08em; text-underline-offset: .18em; }
a:hover { color: var(--green-700); }
h1,h2,h3,h4 { font-family: var(--font-serif); line-height: var(--lh-tight); color: var(--green-800); margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: var(--fs-hero); letter-spacing: -.01em; }
h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }
p { margin: 0 0 1em; }
.lead { font-size: var(--fs-md); color: var(--ink-700); line-height: var(--lh-snug); }
small,.fineprint { font-size: var(--fs-xs); color: var(--muted); }
:focus-visible { outline: 3px solid var(--gold-500); outline-offset: 2px; border-radius: 4px; }

/* ---------- 3. LAYOUT ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--s3); }
.section { padding-block: var(--s7); }
.section--tight { padding-block: var(--s5); }
.section--paper { background: var(--paper-warm); }
.section--cool { background: var(--paper-cool); }
.section--dark { background: var(--green-700); color: #eaf1ec; }
.section--dark h1,.section--dark h2,.section--dark h3 { color: #fff; }
.eyebrow { display: inline-block; font-family: var(--font-sans); font-weight: 600; font-size: var(--fs-xs);
  letter-spacing: .14em; text-transform: uppercase; color: var(--gold-700); margin-bottom: var(--s2); }
.section--dark .eyebrow { color: var(--gold-300); }
.grid { display: grid; gap: var(--s4); }
.grid-2 { grid-template-columns: repeat(2,1fr); }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.grid-4 { grid-template-columns: repeat(4,1fr); }
.measure { max-width: 62ch; }
.center { text-align: center; margin-inline: auto; }
@media (max-width: 860px){ .grid-2,.grid-3,.grid-4{ grid-template-columns: 1fr; } .section{ padding-block: var(--s6);} }

/* ---------- 4. BUTTONS ---------- */
.btn { display: inline-flex; align-items: center; gap: .5em; font-family: var(--font-sans);
  font-weight: 600; font-size: var(--fs-sm); line-height: 1; padding: .9em 1.5em; border-radius: var(--r-pill);
  border: 1.5px solid transparent; cursor: pointer; transition: transform .15s var(--ease), box-shadow .2s var(--ease), background .2s; text-decoration: none; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--green-700); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--green-800); color: #fff; box-shadow: var(--shadow-md); }
.btn-gold { background: var(--gold-500); color: var(--green-900); box-shadow: var(--shadow-sm); }
.btn-gold:hover { background: var(--gold-600); color: var(--green-900); }
.btn-ghost { background: transparent; color: var(--green-700); border-color: var(--green-200); }
.btn-ghost:hover { background: var(--green-050); color: var(--green-800); }
.section--dark .btn-ghost { color: #fff; border-color: rgba(255,255,255,.35); }
.btn-lg { font-size: var(--fs-base); padding: 1.05em 1.9em; }

/* ---------- 5. CARDS ---------- */
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: var(--s4); box-shadow: var(--shadow-sm); transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.card--hover:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card__icon { width: 46px; height: 46px; border-radius: var(--r-md); background: var(--green-050);
  display: grid; place-items: center; color: var(--green-700); margin-bottom: var(--s2); font-size: 1.3rem; }
.card--accent { border-top: 4px solid var(--gold-500); }
.card--feature { background: linear-gradient(180deg,var(--paper) 0%, var(--paper-warm) 100%); }
.price-card { text-align: center; }
.price-card .price { font-family: var(--font-serif); font-size: var(--fs-2xl); color: var(--green-800); }
.price-card--featured { border: 2px solid var(--gold-500); box-shadow: var(--shadow-md); position: relative; }
.badge { display: inline-block; font-size: var(--fs-xs); font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; padding: .35em .8em; border-radius: var(--r-pill); background: var(--gold-100); color: var(--gold-700); }

/* ---------- 6. HEADER / NAV ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.86);
  backdrop-filter: saturate(140%) blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding-block: .8rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--green-800); }
.brand-mark { display: grid; place-items: center; }
.brand-name { font-family: var(--font-serif); font-weight: 700; font-size: 1.12rem; line-height: 1; }
.brand-sub { display: block; font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--gold-700); margin-top: 2px; }
.primary-nav ul { display: flex; gap: var(--s3); list-style: none; margin: 0; padding: 0; align-items: center; }
.primary-nav a { color: var(--ink-700); text-decoration: none; font-size: var(--fs-sm); font-weight: 500; }
.primary-nav a:hover { color: var(--green-700); }
.nav-cta { background: var(--green-700); color: #fff !important; padding: .6em 1.1em; border-radius: var(--r-pill); }
.nav-cta:hover { background: var(--green-800); }
.nav-toggle { display: none; background: none; border: 0; width: 42px; height: 42px; cursor: pointer; }
.nav-toggle-bar,.nav-toggle-bar::before,.nav-toggle-bar::after { content:''; display:block; width: 24px; height: 2px; background: var(--green-800); position: relative; transition: .2s; }
.nav-toggle-bar::before { position: absolute; top: -7px; } .nav-toggle-bar::after { position: absolute; top: 7px; }
@media (max-width: 860px){
  .nav-toggle{ display:block; }
  .primary-nav{ position:absolute; top:100%; left:0; right:0; background:#fff; border-bottom:1px solid var(--line); transform: translateY(-8px); opacity:0; pointer-events:none; transition:.2s; }
  .primary-nav.open{ transform:none; opacity:1; pointer-events:auto; }
  .primary-nav ul{ flex-direction:column; align-items:flex-start; padding: var(--s2) var(--s3); gap: var(--s2); }
}

/* ---------- 7. HERO ---------- */
.hero { position: relative; padding-block: var(--s7) var(--s6); overflow: hidden; }
.hero--dark { background: radial-gradient(120% 120% at 80% 0%, var(--green-600) 0%, var(--green-800) 60%); color: #eaf1ec; }
.hero--dark h1 { color: #fff; }
.hero--dark .lead { color: #cfe0d8; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: var(--s5); align-items: center; }
@media (max-width: 860px){ .hero-grid{ grid-template-columns: 1fr; } }
.hero-cta { display: flex; gap: var(--s2); flex-wrap: wrap; margin-top: var(--s3); }
.spark-glow { position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(40% 40% at 78% 18%, rgba(212,166,70,.22), transparent 70%); }

/* ---------- 8. FORMS ---------- */
.form { display: grid; gap: var(--s2); max-width: 560px; }
.field { display: grid; gap: .35rem; }
.field label { font-size: var(--fs-sm); font-weight: 600; color: var(--ink-700); }
.field input,.field select,.field textarea { font-family: inherit; font-size: var(--fs-base);
  padding: .8em 1em; border: 1.5px solid var(--line); border-radius: var(--r-md); background: #fff; color: var(--ink-900); transition: border .15s; }
.field input:focus,.field select:focus,.field textarea:focus { border-color: var(--green-500); outline: none; box-shadow: 0 0 0 3px var(--green-100); }
.field textarea { min-height: 120px; resize: vertical; }
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.form-note { font-size: var(--fs-xs); color: var(--muted); }
.form-success { background: var(--green-050); border: 1px solid var(--green-200); border-radius: var(--r-md);
  padding: var(--s3); color: var(--green-800); }

/* ---------- 9. DISCLAIMER / BOUNDARY BLOCK (required on RWJ + Ride With Spark) ---------- */
.boundary { background: var(--green-050); border: 1px solid var(--green-200); border-left: 4px solid var(--gold-500);
  border-radius: var(--r-md); padding: var(--s3); font-size: var(--fs-sm); color: var(--ink-700); }
.boundary strong { color: var(--green-800); }

/* ---------- 10. LISTS / STEPS ---------- */
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: .7rem; }
.checklist li { position: relative; padding-left: 1.9rem; }
.checklist li::before { content:'✓'; position: absolute; left: 0; top: 0; width: 1.3rem; height: 1.3rem;
  background: var(--green-100); color: var(--green-700); border-radius: 50%; display: grid; place-items: center; font-size: .8rem; font-weight: 700; }
.steps { counter-reset: step; display: grid; gap: var(--s3); }
.step { position: relative; padding-left: 3.4rem; }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 0; top: -2px;
  width: 2.4rem; height: 2.4rem; background: var(--green-700); color: #fff; border-radius: 50%; display: grid; place-items: center; font-family: var(--font-serif); font-size: 1.1rem; }

/* ---------- 11. FOOTER ---------- */
.site-footer { background: var(--green-800); color: #cfe0d8; padding-block: var(--s5) var(--s4); }
.site-footer a { color: #eaf1ec; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--s4); }
@media (max-width: 860px){ .footer-grid{ grid-template-columns: 1fr; gap: var(--s3);} }
.footer-brand { font-family: var(--font-serif); font-size: 1.2rem; color: #fff; }
.footer-col h5 { font-size: var(--fs-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--gold-300); margin: 0 0 var(--s2); }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; font-size: var(--fs-sm); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: var(--s4); padding-top: var(--s3);
  display: flex; justify-content: space-between; gap: var(--s2); flex-wrap: wrap; font-size: var(--fs-xs); color: #9fb6aa; }

/* ---------- 12. UTILITIES ---------- */
.skip-link { position: absolute; left: -999px; top: 0; background: var(--gold-500); color: var(--green-900); padding: .6em 1em; z-index: 100; }
.skip-link:focus { left: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); border: 0; }
.mt-0{margin-top:0}.mb-0{margin-bottom:0}.mt-3{margin-top:var(--s3)}.mt-4{margin-top:var(--s4)}
.tag-pill{ display:inline-block; padding:.3em .8em; border-radius:var(--r-pill); background:var(--green-050); color:var(--green-700); font-size:var(--fs-xs); font-weight:600; }
@media (prefers-reduced-motion: reduce){ *{ animation:none!important; transition:none!important; scroll-behavior:auto!important; } }