/* ==========================================================================
   VicSync / VicBudget — shared stylesheet
   Plain CSS. No external fonts, no CDN, no trackers, no JavaScript.
   Sections:
     1. Design tokens (light + dark)
     2. Base & reset
     3. Typography
     4. Layout / container
     5. Header & nav
     6. Hero + hero artwork
     7. Buttons
     8. Cards
     9. Feature grid
    10. App-mockup & abstract art helpers
    11. Legal / long-form pages
    12. Review flag
    13. Footer
    14. Motion & reduced-motion
    15. Responsive
   ========================================================================== */

/* 1. Design tokens ---------------------------------------------------------- */
:root {
  /* palette (light) */
  --bg: #ffffff;
  --surface: #f6f8f7;
  --surface-2: #eef3f0;
  --border: #e2e8e5;
  --text: #14211d;
  --muted: #5a6b64;
  --accent: #1e9e5f;
  --accent-dark: #177f4c;

  /* derived / helpers */
  --btn-text: #ffffff;                       /* text on solid accent */
  --accent-soft: rgba(30, 158, 95, 0.10);    /* tinted fills */
  --accent-line: rgba(30, 158, 95, 0.22);    /* hairline greens */
  --ring: rgba(30, 158, 95, 0.45);           /* focus ring */
  --shadow-sm: 0 1px 2px rgba(20, 33, 29, 0.04), 0 2px 6px rgba(20, 33, 29, 0.05);
  --shadow-md: 0 4px 12px rgba(20, 33, 29, 0.06), 0 12px 30px rgba(20, 33, 29, 0.07);

  /* geometry */
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --max: 1040px;
  --measure: 68ch;

  /* fluid type scale */
  --step--1: clamp(0.83rem, 0.8rem + 0.15vw, 0.9rem);
  --step-0:  clamp(1rem, 0.97rem + 0.15vw, 1.08rem);
  --step-1:  clamp(1.2rem, 1.12rem + 0.4vw, 1.4rem);
  --step-2:  clamp(1.45rem, 1.3rem + 0.7vw, 1.85rem);
  --step-3:  clamp(2.1rem, 1.7rem + 2vw, 3.4rem);

  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1311;
    --surface: #141a17;
    --surface-2: #1a221e;
    --border: #223029;
    --text: #e9efec;
    --muted: #93a89f;
    --accent: #39e08b;
    --accent-dark: #2bbf73;

    --btn-text: #072019;                     /* dark text on bright green */
    --accent-soft: rgba(57, 224, 139, 0.12);
    --accent-line: rgba(57, 224, 139, 0.24);
    --ring: rgba(57, 224, 139, 0.5);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3), 0 2px 6px rgba(0, 0, 0, 0.28);
    --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.36), 0 16px 40px rgba(0, 0, 0, 0.4);
  }
}

/* 2. Base & reset ----------------------------------------------------------- */
* { 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(--sans);
  font-size: var(--step-0);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;               /* guard against accidental h-scroll */
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* 3. Typography ------------------------------------------------------------- */
h1, h2, h3 {
  color: var(--text);
  line-height: 1.15;
  text-wrap: balance;
}
h1 { font-size: var(--step-3); letter-spacing: -0.02em; margin: 0 0 16px; font-weight: 800; }
h2 { font-size: var(--step-2); letter-spacing: -0.015em; margin: 0 0 14px; font-weight: 700; }
h3 { font-size: var(--step-1); letter-spacing: -0.01em; margin: 0 0 8px; font-weight: 650; }

p, li { color: var(--text); }
p { margin: 0 0 14px; }
strong { font-weight: 650; }

a { color: var(--accent-dark); text-decoration: none; }
a:hover { color: var(--accent); }
@media (prefers-color-scheme: dark) {
  a { color: var(--accent); }
  a:hover { color: var(--accent-dark); }
}

/* small caps / monospace eyebrow label */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  padding: 5px 12px;
  border-radius: 999px;
  margin: 0 0 22px;
}
@media (prefers-color-scheme: dark) { .eyebrow { color: var(--accent); } }
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
}

/* 4. Layout / container ----------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

main section { padding: 40px 0; }
main section:first-child { padding-top: 8px; }

.section-head {
  max-width: var(--measure);
  margin-bottom: 22px;
}
.section-head p { color: var(--muted); margin: 0; }

/* 5. Header & nav ----------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 66px;
  flex-wrap: wrap;
}
.brand {
  font-weight: 800;
  font-size: 1.16rem;
  letter-spacing: -0.01em;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  height: 28px;
  width: auto;
  display: block;
  flex: 0 0 auto;
}
.brand .dot {
  width: 13px; height: 13px; border-radius: 4px;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  display: inline-block;
}
.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav a {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 550;
  padding: 8px 12px;
  border-radius: 8px;
  transition: color 0.15s ease, background 0.15s ease;
}
.nav a:hover { color: var(--text); background: var(--surface); }

/* 6. Hero + hero artwork ---------------------------------------------------- */
.hero {
  position: relative;
  padding: 84px 0 56px;
}
/* soft green glow + faint grid behind the hero */
.hero::before {
  content: "";
  position: absolute;
  inset: -80px -40px auto -40px;
  height: 460px;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60% 80% at 78% 8%, var(--accent-soft), transparent 70%),
    radial-gradient(50% 70% at 8% 0%, var(--accent-soft), transparent 72%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 420px;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--accent-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--accent-line) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(70% 100% at 50% 0%, #000 25%, transparent 75%);
          mask-image: radial-gradient(70% 100% at 50% 0%, #000 25%, transparent 75%);
  opacity: 0.5;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}
.hero-copy { max-width: 42ch; }
.hero h1 { margin-bottom: 18px; }
.hero p.lead {
  font-size: var(--step-1);
  color: var(--muted);
  margin: 0 0 30px;
  max-width: 46ch;
  text-wrap: pretty;
}

.hero-art {
  display: flex;
  justify-content: center;
}
.hero-art svg { width: 100%; height: auto; filter: drop-shadow(var(--shadow-md)); }

/* 7. Buttons ---------------------------------------------------------------- */
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--btn-text);
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-weight: 650;
  font-size: 0.98rem;
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
  transition: background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}
.btn:hover { background: var(--accent-dark); color: var(--btn-text); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }

.btn.secondary {
  background: transparent;
  color: var(--accent-dark);
  border-color: var(--border);
  box-shadow: none;
}
@media (prefers-color-scheme: dark) { .btn.secondary { color: var(--accent); } }
.btn.secondary:hover {
  background: var(--accent-soft);
  border-color: var(--accent-line);
  color: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: none;
}
@media (prefers-color-scheme: dark) { .btn.secondary:hover { color: var(--accent); } }

/* 8. Cards ------------------------------------------------------------------ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin: 16px 0;
  box-shadow: var(--shadow-sm);
}
.card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

/* linked card variant (app entry on homepage) */
.card.link-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}
.card.link-card:hover {
  border-color: var(--accent-line);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.app-badge {
  flex: 0 0 auto;
  width: 56px; height: 56px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent-dark);
}
@media (prefers-color-scheme: dark) { .app-badge { color: var(--accent); } }
.card-body { min-width: 0; }

/* 9. Feature grid ----------------------------------------------------------- */
.features {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.features li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.features li:hover { border-color: var(--accent-line); transform: translateY(-2px); }
/* neutralize the old bullet from the previous design */
.features li::before { content: none; }

.feat-icon {
  flex: 0 0 auto;
  width: 40px; height: 40px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent-dark);
}
@media (prefers-color-scheme: dark) { .feat-icon { color: var(--accent); } }
.feat-icon svg { width: 22px; height: 22px; }

/* 10. Callout / disclosure cards ------------------------------------------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.grid-2 .card { margin: 0; }

/* 11. Legal / long-form pages ---------------------------------------------- */
.legal {
  padding: 48px 0 32px;
  max-width: 72ch;          /* comfortable reading measure */
}
.legal h1 { font-size: var(--step-2); margin-bottom: 10px; }
.legal .meta {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  margin: 0 0 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.legal h2 {
  font-size: var(--step-1);
  margin-top: 40px;
  margin-bottom: 10px;
  scroll-margin-top: 84px;
}
.legal h3 { margin-top: 26px; }
.legal p, .legal li { color: var(--text); line-height: 1.75; }
.legal ul { padding-left: 22px; margin: 12px 0; }
.legal li { margin: 8px 0; }
.legal a { text-decoration: underline; text-underline-offset: 2px; }

/* 12. Review flag ----------------------------------------------------------- */
.review {
  display: inline-block;
  background: rgba(255, 176, 32, 0.16);
  border: 1px solid rgba(255, 176, 32, 0.5);
  color: #8a5a00;
  border-radius: 6px;
  padding: 1px 7px;
  font-size: 0.82rem;
  font-weight: 650;
}
@media (prefers-color-scheme: dark) { .review { color: #ffce6a; } }

/* 13. Footer ---------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 64px;
  padding: 36px 0;
  color: var(--muted);
  font-size: 0.9rem;
  background: var(--surface);
}
.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 4px; }
.site-footer a {
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 7px;
  transition: color 0.15s ease, background 0.15s ease;
}
.site-footer a:hover { color: var(--text); background: var(--surface-2); }

/* 14. Motion & reduced-motion ---------------------------------------------- */
@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.rise { animation: rise 0.6s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
.rise-2 { animation-delay: 0.08s; }
.rise-3 { animation-delay: 0.16s; }

@media (prefers-reduced-motion: reduce) {
  * , *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  html { scroll-behavior: auto; }
}

/* 15. Responsive ------------------------------------------------------------ */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-copy { max-width: 100%; }
  .hero-art { max-width: 360px; margin-inline: auto; order: -1; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .hero { padding: 56px 0 40px; }
  main section { padding: 32px 0; }
  .features { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .btn-row .btn { flex: 1 1 auto; justify-content: center; }
  .site-footer .container { flex-direction: column; align-items: flex-start; }
  .footer-links { margin-left: -10px; }
}

@media (max-width: 380px) {
  .card.link-card { flex-direction: column; }
}