/* ============================================================
   ARP TAX — Design System
   Bookkeeping · Payroll · Taxation — Calgary, AB
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  /* Color tokens */
  --paper:      #F5F5EF;
  --paper-dim:  #EDECE3;
  --ink:        #142019;
  --ink-soft:   #4A564E;
  --pine:       #1F3D33;
  --pine-deep:  #142B24;
  --pine-tint:  #E6ECE7;
  --brass:      #B8894A;
  --brass-soft: #D9B583;
  --line:       #DAD8C9;
  --white:      #FFFFFF;

  /* Type */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', monospace;

  /* Rhythm */
  --gutter: clamp(1.5rem, 4vw, 4rem);
  --max: 1180px;
  --radius: 3px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.08;
  margin: 0;
  color: var(--pine-deep);
  letter-spacing: -0.01em;
}

p { margin: 0; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}

.eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--brass);
  display: inline-block;
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}

/* ---------------------------------------------------------
   Header
   --------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 245, 239, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.wordmark {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--pine-deep);
  display: flex;
  align-items: baseline;
  gap: 0.15em;
}

.wordmark .dot { color: var(--brass); }

.main-nav { display: flex; align-items: center; gap: 2.25rem; }

.main-nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.main-nav a {
  position: relative;
  padding-bottom: 4px;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}
.main-nav a:hover { color: var(--pine-deep); }
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--brass);
  transition: width 0.25s ease;
}
.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after { width: 100%; }
.main-nav a[aria-current="page"] { color: var(--pine-deep); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.85em 1.5em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.btn-primary {
  background: var(--pine-deep);
  color: var(--paper);
}
.btn-primary:hover { background: var(--pine); transform: translateY(-1px); }

.btn-ghost {
  border-color: var(--pine-deep);
  color: var(--pine-deep);
  background: transparent;
}
.btn-ghost:hover { background: var(--pine-deep); color: var(--paper); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}
.nav-toggle span {
  width: 24px; height: 1.5px; background: var(--pine-deep);
}

/* ---------------------------------------------------------
   Hero
   --------------------------------------------------------- */
.hero {
  padding: clamp(3.5rem, 8vw, 7rem) 0 clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--line);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 4.1rem);
  margin: 1.1rem 0 1.5rem;
}

.hero h1 em {
  font-style: italic;
  color: var(--brass);
}

.hero-lede {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 46ch;
  margin-bottom: 2.2rem;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Ledger signature graphic */
.ledger-mark {
  position: relative;
  padding: 2rem 0;
}

.ledger-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-soft);
}
.ledger-row:first-child { border-top: 1px solid var(--line); }
.ledger-row .label { color: var(--pine-deep); }
.ledger-row .val { letter-spacing: 0.02em; }
.ledger-row .val.credit { color: var(--pine); }
.ledger-row .val.debit { color: var(--ink-soft); }

.ledger-balance {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 1.1rem;
  font-family: var(--font-mono);
}
.ledger-balance .label {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.ledger-balance .amount {
  font-size: 1.4rem;
  color: var(--brass);
  transition: opacity 0.4s ease;
}

/* balancing tick animation */
.ledger-tick {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  overflow: hidden;
}
.ledger-tick span {
  position: absolute;
  top: 0; left: -6px;
  width: 12px; height: 2px;
  background: var(--brass);
  animation: settle 2.6s ease-in-out infinite;
}
@keyframes settle {
  0%   { left: -6px; }
  45%  { left: calc(100% - 6px); }
  50%  { left: calc(100% - 6px); }
  95%  { left: -6px; }
  100% { left: -6px; }
}

/* ---------------------------------------------------------
   Service cards / pillars
   --------------------------------------------------------- */
.section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section-head {
  max-width: 60ch;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.section-head h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  margin-top: 0.8rem;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.pillar {
  background: var(--paper);
  padding: 2.4rem 2rem;
  transition: background 0.25s ease;
}
.pillar:hover { background: var(--pine-tint); }

.pillar .num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--brass);
  letter-spacing: 0.08em;
}

.pillar h3 {
  font-size: 1.4rem;
  margin: 0.9rem 0 0.75rem;
}

.pillar p {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin-bottom: 1.2rem;
}

.pillar .more {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pine-deep);
  border-bottom: 1px solid var(--brass);
  padding-bottom: 2px;
}

/* ---------------------------------------------------------
   Tax bracket ledger table
   --------------------------------------------------------- */
.brackets {
  background: var(--pine-deep);
  color: var(--paper);
}
.brackets .section-head h2 { color: var(--paper); }
.brackets .section-head p { color: rgba(245,245,239,0.7); }
.brackets .eyebrow { color: var(--brass-soft); }
.brackets .eyebrow::before { background: var(--brass-soft); }

.bracket-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.bracket-table { border-top: 1px solid rgba(245,245,239,0.2); }

.bracket-table h4 {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass-soft);
  padding: 1.1rem 0 0.6rem;
}

.bracket-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid rgba(245,245,239,0.14);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.bracket-line .range { color: rgba(245,245,239,0.78); }
.bracket-line .rate { color: var(--paper); font-weight: 500; }

.brackets-note {
  margin-top: 1.8rem;
  font-size: 0.82rem;
  color: rgba(245,245,239,0.6);
  max-width: 62ch;
}

/* ---------------------------------------------------------
   CTA band
   --------------------------------------------------------- */
.cta-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.cta-band .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 3.5rem);
}
.cta-band h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); max-width: 20ch; }

/* ---------------------------------------------------------
   Footer
   --------------------------------------------------------- */
.site-footer {
  padding: clamp(2.5rem, 5vw, 3.5rem) 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
}
.footer-grid h5 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 1rem;
}
.footer-grid p, .footer-grid a { color: var(--ink-soft); font-size: 0.92rem; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
.footer-grid a:hover { color: var(--pine-deep); }
.footer-bottom {
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

/* ---------------------------------------------------------
   Inner page hero (About / Services / Contact)
   --------------------------------------------------------- */
.page-hero {
  padding: clamp(3rem, 6vw, 4.5rem) 0 clamp(2.5rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  margin-top: 1rem;
  max-width: 18ch;
}
.page-hero .lede {
  margin-top: 1.2rem;
  color: var(--ink-soft);
  max-width: 58ch;
  font-size: 1.05rem;
}

/* ---------------------------------------------------------
   About page
   --------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}
.about-figure {
  aspect-ratio: 4/5;
  background: var(--pine-tint);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--pine);
  position: relative;
  overflow: hidden;
}
.about-figure .initials { position: relative; z-index: 1; }
.about-figure::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(to bottom, transparent, transparent 34px, rgba(31,61,51,0.08) 35px);
}

.about-copy p { margin-bottom: 1.2rem; color: var(--ink-soft); }
.about-copy h3 { font-size: 1.3rem; margin: 2rem 0 1rem; }

.value-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.value-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 0.9rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.value-list .mark {
  font-family: var(--font-mono);
  color: var(--brass);
}

/* ---------------------------------------------------------
   Services page
   --------------------------------------------------------- */
.service-detail {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding: clamp(2.5rem, 5vw, 3.5rem) 0;
  border-bottom: 1px solid var(--line);
}
.service-detail:first-of-type { border-top: 1px solid var(--line); }
.service-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass);
}
.service-detail h3 { font-size: 1.8rem; margin: 0.8rem 0 1rem; }
.service-detail .desc { color: var(--ink-soft); max-width: 60ch; margin-bottom: 1.5rem; }

.check-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.check-grid li {
  font-size: 0.92rem;
  color: var(--ink-soft);
  padding-left: 1.3rem;
  position: relative;
}
.check-grid li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.55em;
  width: 7px; height: 1px;
  background: var(--brass);
}

/* ---------------------------------------------------------
   Contact page
   --------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2.5rem, 6vw, 5rem);
}

.contact-info-block { padding-top: 0.5rem; }
.contact-info-block .item { margin-bottom: 2rem; }
.contact-info-block .item h5 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 0.5rem;
}
.contact-info-block .item p, .contact-info-block .item a {
  font-size: 1.02rem;
  color: var(--pine-deep);
}
.contact-info-block .item a:hover { color: var(--brass); }

.form-field { margin-bottom: 1.4rem; }
.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}
.form-field input, .form-field textarea, .form-field select {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 0.85em 1em;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  border-radius: var(--radius);
  transition: border-color 0.2s ease;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
  border-color: var(--pine);
  outline: none;
}
.form-field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 0.82rem; color: var(--ink-soft); margin-top: 0.75rem; }
.form-status { font-size: 0.88rem; margin-top: 1rem; display: none; }
.form-status.visible { display: block; }

/* ---------------------------------------------------------
   Responsive
   --------------------------------------------------------- */
@media (max-width: 860px) {
  .main-nav ul, .main-nav .btn { display: none; }
  .nav-toggle { display: flex; }
  .site-header.nav-open .main-nav {
    display: flex;
    position: absolute;
    top: 84px; left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem var(--gutter) 2rem;
  }
  .site-header.nav-open .main-nav ul {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
  }
  .site-header.nav-open .main-nav .btn { display: inline-flex; margin-top: 1.2rem; }

  .hero .container { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: 1fr; }
  .bracket-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .service-detail { grid-template-columns: 1fr; }
  .check-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}