/* ==========================================================================
   Westward Bookkeeping — design tokens & shared styles
   Signature idea: the "horizon line" — one thin rule that reads simultaneously
   as a ledger baseline and a landscape skyline. It recurs everywhere: under
   the hero, between sections, under nav links on hover, under totals on the
   pricing page.
   ========================================================================== */

:root{
  /* --- color: Warm Desert & Sage, split into a dusk register (hero/CTA)
     and a parchment register (everything else) --- */
  --dusk-1: #202B24;       /* deep juniper-charcoal, hero sky top */
  --dusk-2: #37473C;       /* lighter dusk, hero sky near horizon */
  --parchment: #F1ECE0;    /* warm stone-paper, main page background */
  --parchment-2: #E7DFCC;  /* card / alt-section background */
  --sage: #5F7A63;         /* primary brand green */
  --sage-deep: #33453A;    /* headings on parchment, deep ridge fill */
  --clay: #B15E3B;         /* terracotta accent, sparing */
  --gold: #C69A4E;         /* the horizon-line color, sparing & precise */
  --ink: #26251F;          /* warm near-black, body text */
  --ink-soft: #5A5648;     /* secondary text on parchment */
  --cream: #FBF8F1;        /* lightest surface, cards on dusk */
  --line: rgba(38,37,31,0.12);

  /* --- type --- */
  --font-display: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --font-body: "Work Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --step-caption: clamp(0.72rem, 0.7rem + 0.1vw, 0.8rem);
  --step-body: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --step-lead: clamp(1.2rem, 1.1rem + 0.5vw, 1.45rem);
  --step-h3: clamp(1.4rem, 1.25rem + 0.8vw, 1.9rem);
  --step-h2: clamp(2rem, 1.6rem + 2vw, 3.1rem);
  --step-h1: clamp(2.6rem, 1.9rem + 3.6vw, 5rem);

  --gutter: clamp(1.25rem, 3vw, 3rem);
  --section-pad: clamp(3.5rem, 6vw + 1rem, 7.5rem);
  --radius: 3px;
}

/* --- reset --- */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}
body{
  margin: 0;
  background: var(--parchment);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; }
h1, h2, h3, h4{
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.08;
  margin: 0 0 0.5em;
  color: var(--sage-deep);
  letter-spacing: -0.01em;
}
h1{ font-size: var(--step-h1); }
h2{ font-size: var(--step-h2); }
h3{ font-size: var(--step-h3); }
p{ margin: 0 0 1em; }
.container{
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow{ max-width: 780px; }
section{ padding-block: var(--section-pad); }

::selection{ background: var(--gold); color: var(--dusk-1); }

:focus-visible{
  outline: 2px solid var(--clay);
  outline-offset: 3px;
}

/* --- eyebrow / mono labels: the ledger voice --- */
.eyebrow{
  font-family: var(--font-mono);
  font-size: var(--step-caption);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  margin-bottom: 1.1em;
}
.eyebrow::before{
  content: "";
  width: 1.6em;
  height: 1px;
  background: var(--gold);
}

/* --- the signature horizon rule --- */
.horizon{
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold) 12%, var(--gold) 88%, transparent);
  margin: 0;
}
.horizon--section{ margin-block: 0; }

/* --- buttons --- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.95em 1.6em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s ease, background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{
  background: var(--gold);
  color: var(--dusk-1);
}
.btn-primary:hover{ background: var(--clay); color: var(--cream); }
.btn-ghost{
  background: transparent;
  border-color: currentColor;
  color: inherit;
}
.btn-ghost:hover{ background: var(--ink); color: var(--cream); border-color: var(--ink); }
.on-dusk .btn-ghost{ color: var(--cream); }
.on-dusk .btn-ghost:hover{ background: var(--cream); color: var(--dusk-1); }

/* --- nav --- */
.site-nav{
  position: absolute;
  inset-inline: 0;
  top: 0;
  z-index: 20;
  padding-block: 1.6rem;
}
body:not(.has-dusk-hero) .site-nav{
  position: sticky;
  background: var(--parchment);
  border-bottom: 1px solid var(--line);
}
.site-nav .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo{
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--cream);
}
body:not(.has-dusk-hero) .logo{ color: var(--sage-deep); }
.logo-mark{ width: 34px; height: 34px; flex: none; }
.logo-word{
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1.05;
}
.logo-word em{ font-style: italic; display: block; font-size: 0.62em; letter-spacing: 0.22em; text-transform: uppercase; font-family: var(--font-mono); font-style: normal; opacity: 0.75; }

.nav-links{
  display: flex;
  align-items: center;
  gap: 2.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.nav-links a{
  text-decoration: none;
  color: var(--cream);
  position: relative;
  padding-bottom: 4px;
}
body:not(.has-dusk-hero) .nav-links a{ color: var(--ink); }
.nav-links a::after{
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--gold);
  transition: right 0.3s ease;
}
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after{ right: 0; }
.nav-links a[aria-current="page"]{ color: var(--gold); }

.nav-toggle{
  display: none;
  background: none;
  border: 1px solid currentColor;
  color: var(--cream);
  border-radius: var(--radius);
  width: 40px; height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
body:not(.has-dusk-hero) .nav-toggle{ color: var(--sage-deep); }

@media (max-width: 780px){
  .nav-toggle{ display: inline-flex; }
  .nav-links{
    position: fixed;
    inset: 0 0 auto 0;
    top: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--dusk-1);
    padding: 6rem var(--gutter) 2.5rem;
    gap: 1.6rem;
    transform: translateY(-100%);
    transition: transform 0.4s ease;
    font-size: 1rem;
  }
  .nav-links a{ color: var(--cream); }
  .nav-links.is-open{ transform: translateY(0); }
}

/* --- hero --- */
.hero{
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: var(--cream);
  background: linear-gradient(180deg, var(--dusk-1), var(--dusk-2));
  overflow: hidden;
}
.hero-canvas{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.hero-fallback{
  position: absolute; inset: 0;
  z-index: 1;
}
.hero-canvas{ z-index: 2; }
.hero-content{
  position: relative;
  z-index: 5;
  width: 100%;
  padding-bottom: clamp(3rem, 8vh, 6rem);
}
.hero h1{
  color: var(--cream);
  max-width: 15ch;
}
.hero h1 em{ color: var(--gold); font-style: italic; }
.hero-lead{
  max-width: 46ch;
  font-size: var(--step-lead);
  color: rgba(251,248,241,0.86);
}
.hero-cta{ display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }
.hero .eyebrow{ color: var(--gold); }
.hero .eyebrow::before{ background: var(--cream); opacity: 0.5; }

/* --- section variants --- */
.section-dusk{
  background: linear-gradient(180deg, var(--dusk-2), var(--dusk-1));
  color: var(--cream);
}
.section-dusk h2, .section-dusk h3{ color: var(--cream); }
.section-dusk .eyebrow{ color: var(--gold); }
.section-alt{ background: var(--parchment-2); }

/* --- cards --- */
.grid{ display: grid; gap: clamp(1.5rem, 3vw, 2.5rem); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px){
  .grid-3{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
}
.card{
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.6rem, 3vw, 2.3rem);
}
.card .eyebrow{ margin-bottom: 0.8em; }
.card h3{ font-size: 1.4rem; }
.card-num{
  font-family: var(--font-mono);
  color: var(--gold);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

/* --- stat row --- */
.stat-row{
  display: flex;
  flex-wrap: wrap;
  gap: clamp(2rem, 6vw, 5rem);
}
.stat{ flex: 1 1 160px; }
.stat-num{
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 1.4rem + 1.6vw, 2.6rem);
  color: var(--gold);
  display: block;
}
.stat-label{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(251,248,241,0.7);
}
.section-alt .stat-label, body:not(.has-dusk-hero) .stat-label{ color: var(--ink-soft); }
body:not(.has-dusk-hero) .stat-num{ color: var(--clay); }

/* --- pricing --- */
.price-card{
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.8rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.price-card--feature{
  border-color: var(--gold);
  box-shadow: 0 18px 40px -24px rgba(38,37,31,0.35);
  position: relative;
}
.price-card--feature::before{
  content: "Most common";
  position: absolute;
  top: -0.8em; left: 1.6rem;
  background: var(--gold);
  color: var(--dusk-1);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3em 0.7em;
  border-radius: var(--radius);
}
.price-amount{
  font-family: var(--font-mono);
  font-size: clamp(2.1rem, 1.8rem + 1vw, 2.7rem);
  color: var(--sage-deep);
}
.price-amount span{ font-size: 0.95rem; color: var(--ink-soft); font-family: var(--font-body); }
.price-list{ list-style: none; margin: 0; padding: 0; display: grid; gap: 0.65rem; }
.price-list li{ padding-left: 1.4em; position: relative; color: var(--ink-soft); font-size: 0.95rem; }
.price-list li::before{ content: "—"; position: absolute; left: 0; color: var(--gold); }

/* --- testimonials / placeholder --- */
.placeholder-card{
  border: 1px dashed var(--gold);
  border-radius: var(--radius);
  padding: clamp(2rem, 4vw, 3rem);
  text-align: center;
  color: var(--ink-soft);
  background: rgba(198,154,78,0.06);
}
.placeholder-card .eyebrow{ justify-content: center; }
.placeholder-card .eyebrow::before{ display: none; }

/* --- forms --- */
.form-field{ display: grid; gap: 0.5rem; margin-bottom: 1.4rem; }
.form-field label{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.form-field input, .form-field textarea, .form-field select{
  font: inherit;
  font-family: var(--font-body);
  padding: 0.85em 1em;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--cream);
  color: var(--ink);
}
.form-field input:focus, .form-field textarea:focus{ border-color: var(--gold); }
.form-field textarea{ min-height: 140px; resize: vertical; }

/* --- landscape motif divider (used sparingly) --- */
.ridge-divider{ width: 100%; height: auto; display: block; }

/* --- footer --- */
.site-footer{
  background: var(--dusk-1);
  color: rgba(251,248,241,0.75);
  padding-block: clamp(3rem, 5vw, 4rem) 2rem;
}
.site-footer a{ text-decoration: none; }
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
}
@media (max-width: 720px){ .footer-grid{ grid-template-columns: 1fr; } }
.footer-grid h4{
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer-grid ul{ list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; font-size: 0.92rem; }
.footer-grid a:hover{ color: var(--gold); }
.footer-bottom{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.6rem;
  border-top: 1px solid rgba(251,248,241,0.14);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
}

/* --- utility --- */
.text-center{ text-align: center; }
.mt-0{ margin-top: 0; }
.max-measure{ max-width: 62ch; }
.lede{ font-size: var(--step-lead); color: var(--ink-soft); }
.section-alt .lede, .has-dusk-hero .section-dusk .lede{ color: inherit; opacity: 0.85; }