/* ================================================================
   IS Bookkeeping — Site Stylesheet
   Design: refined editorial minimalism with warm teal accents
   ================================================================ */

/* ── Custom Properties ─────────────────────────────────────────── */
:root {
  --clr-bg:          #fafaf9;
  --clr-surface:     #ffffff;
  --clr-surface-2:   #f5f5f3;
  --clr-border:      #e5e3de;
  --clr-border-soft: #eeede9;

  --clr-ink:         #1c1917;
  --clr-ink-2:       #44403b;
  --clr-ink-3:       #78736c;
  --clr-ink-4:       #a39d97;

  --clr-teal:        #0d9488;
  --clr-teal-light:  #99f6e4;
  --clr-teal-dark:   #0a7267;
  --clr-teal-bg:     #f0fdfa;
  --clr-teal-mid:    #ccfbf1;

  --clr-gold:        #b45309;
  --clr-gold-light:  #fef3c7;

  --nav-h: 4rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,.07), 0 2px 6px rgba(0,0,0,.05);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.09), 0 4px 12px rgba(0,0,0,.06);
}

/* ── Base ───────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--clr-bg);
  color: var(--clr-ink);
  -webkit-font-smoothing: antialiased;
}

/* ── Navigation ─────────────────────────────────────────────────── */
#site-header {
  background: transparent;
}

#site-header.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border-soft);
  box-shadow: var(--shadow-sm);
}

/* Logo */
.nav-logo-icon {
  background: var(--clr-teal);
  color: #fff;
}
.nav-logo-text {
  color: var(--clr-ink);
}
#site-header:not(.scrolled) .nav-logo-text {
  color: var(--clr-ink);
}

/* Nav links */
.nav-link {
  color: var(--clr-ink-2);
  position: relative;
  padding-bottom: 2px;
  text-decoration: none;
  transition: color 0.2s;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1.5px;
  background: var(--clr-teal);
  transition: width 0.25s ease;
}
.nav-link:hover,
.nav-link.active { color: var(--clr-ink); }
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

.btn-nav {
  background: var(--clr-ink);
  color: #fff;
  text-decoration: none;
}
.btn-nav:hover {
  background: var(--clr-teal);
}

/* Mobile */
.nav-hamburger { color: var(--clr-ink-2); }
.nav-hamburger:hover { background: var(--clr-surface-2); color: var(--clr-ink); }

.mobile-menu-panel {
  background: var(--clr-surface);
  border-color: var(--clr-border-soft);
  box-shadow: var(--shadow-md);
}
.mobile-nav-link {
  color: var(--clr-ink-2);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.mobile-nav-link:hover { background: var(--clr-surface-2); color: var(--clr-ink); }

.btn-mobile-cta {
  background: var(--clr-ink);
  color: #fff;
  text-decoration: none;
  transition: background 0.2s;
}
.btn-mobile-cta:hover { background: var(--clr-teal); }

/* ── Shared Buttons ─────────────────────────────────────────────── */
.btn-primary {
  background: var(--clr-teal);
  color: #fff;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(13,148,136,.3);
}
.btn-primary:hover {
  background: var(--clr-teal-dark);
  box-shadow: 0 4px 16px rgba(13,148,136,.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--clr-surface-2);
  color: var(--clr-ink);
  text-decoration: none;
  border: 1px solid var(--clr-border);
}
.btn-secondary:hover {
  background: var(--clr-border);
  transform: translateY(-1px);
}

.btn-outline-teal {
  border: 1.5px solid var(--clr-teal);
  color: var(--clr-teal);
  text-decoration: none;
}
.btn-outline-teal:hover {
  background: var(--clr-teal);
  color: #fff;
}

.btn-cta-large {
  background: var(--clr-ink);
  color: #fff;
  text-decoration: none;
  box-shadow: var(--shadow-md);
}
.btn-cta-large:hover {
  background: var(--clr-teal);
  box-shadow: 0 6px 24px rgba(13,148,136,.35);
  transform: translateY(-1px);
}

/* ── Hero ───────────────────────────────────────────────────────── */
.hero-section {
  background: var(--clr-surface);
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 70% 20%, rgba(153,246,228,.22) 0%, transparent 55%),
    radial-gradient(circle at 10% 80%, rgba(204,251,241,.18) 0%, transparent 45%);
  pointer-events: none;
}

.hero-badge {
  background: var(--clr-teal-bg);
  color: var(--clr-teal-dark);
  border: 1px solid var(--clr-teal-mid);
}
.hero-badge-dot { background: var(--clr-teal); }

.hero-italic { color: var(--clr-teal); font-style: italic; }

.hero-subtext { color: var(--clr-ink-2); }

.stat-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-md);
}
.stat-number { color: var(--clr-teal); }
.stat-label  { color: var(--clr-ink-3); }

.hero-wave {
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  line-height: 0;
  color: var(--clr-bg);
}
.hero-wave svg { display: block; width: 100%; height: 60px; }

/* ── Section shared ─────────────────────────────────────────────── */
.section-subtext { color: var(--clr-ink-2); }

/* ── Value section ──────────────────────────────────────────────── */
.value-section { background: var(--clr-bg); }

.value-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-soft);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s, transform 0.25s;
}
.value-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.value-icon-wrap {
  background: var(--clr-teal-bg);
  color: var(--clr-teal);
}
.value-body { color: var(--clr-ink-3); }

/* ── Services preview ───────────────────────────────────────────── */
.services-preview-section { background: var(--clr-surface-2); }

.service-preview-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-soft);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s, transform 0.25s;
}
.service-preview-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.service-num { color: var(--clr-teal); }
.service-preview-body { color: var(--clr-ink-3); }

/* ── Testimonials ───────────────────────────────────────────────── */
.testimonials-section { background: var(--clr-bg); }

.testimonial-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-soft);
  box-shadow: var(--shadow-sm);
}
.quote-mark { color: var(--clr-teal-light); }
.testimonial-text { color: var(--clr-ink-2); }
.testimonial-avatar {
  background: var(--clr-teal-bg);
  color: var(--clr-teal);
  border: 1.5px solid var(--clr-teal-mid);
}
.testimonial-name { color: var(--clr-ink); }
.testimonial-role { color: var(--clr-ink-4); }

/* ── CTA section ────────────────────────────────────────────────── */
.cta-section { background: var(--clr-surface-2); }
.cta-subtext { color: var(--clr-ink-2); }

/* ── Page headers ───────────────────────────────────────────────── */
.page-header-section { background: var(--clr-surface); }

.page-tag {
  background: var(--clr-teal-bg);
  color: var(--clr-teal-dark);
  border: 1px solid var(--clr-teal-mid);
}

/* ── About page ─────────────────────────────────────────────────── */
.about-photo-card {
  background: linear-gradient(135deg, var(--clr-teal-bg) 0%, var(--clr-surface-2) 100%);
  border: 1px solid var(--clr-border);
}
.photo-placeholder-icon {
  background: var(--clr-surface);
  color: var(--clr-ink-4);
}
.photo-placeholder-label { color: var(--clr-ink-4); }

.cred-badge {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-soft);
}
.cred-badge-chip {
  background: var(--clr-teal-bg);
  color: var(--clr-teal-dark);
}

.bio-text { color: var(--clr-ink-2); }
.name-highlight { color: var(--clr-teal); }

.about-quote {
  background: var(--clr-teal-bg);
  border-left: 3px solid var(--clr-teal);
  color: var(--clr-ink);
}

.who-section { background: var(--clr-surface-2); }
.who-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-soft);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s, transform 0.25s;
}
.who-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.who-body { color: var(--clr-ink-3); }

/* ── Services page ──────────────────────────────────────────────── */
.service-detail-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-soft);
  box-shadow: var(--shadow-sm);
}
.service-num-badge { color: var(--clr-teal); }
.service-detail-body { color: var(--clr-ink-2); }

.benefit-item { color: var(--clr-ink-2); }
.benefit-check { color: var(--clr-teal); font-weight: 600; }

.pricing-note-section { background: var(--clr-surface-2); }
.pricing-note-card {
  background: var(--clr-teal-bg);
  border: 1px solid var(--clr-teal-mid);
}
.pricing-note-body { color: var(--clr-ink-2); }

/* ── Contact page ───────────────────────────────────────────────── */
.expect-step {}
.expect-num {
  background: var(--clr-teal-bg);
  color: var(--clr-teal-dark);
  border: 1.5px solid var(--clr-teal-mid);
  font-weight: 700;
}

.contact-info-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-soft);
  color: var(--clr-ink-2);
}
.contact-icon { display: inline-block; width: 1.5rem; text-align: center; }

.contact-form-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-soft);
  box-shadow: var(--shadow-md);
}

.form-label { color: var(--clr-ink-3); }
.form-required { color: var(--clr-teal); }
.form-optional { color: var(--clr-ink-4); }

.form-input {
  background: var(--clr-bg);
  border: 1.5px solid var(--clr-border);
  color: var(--clr-ink);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input::placeholder { color: var(--clr-ink-4); }
.form-input:focus {
  border-color: var(--clr-teal);
  box-shadow: 0 0 0 3px rgba(13,148,136,.12);
  background: var(--clr-surface);
}
.form-input.error {
  border-color: #dc2626;
  box-shadow: 0 0 0 3px rgba(220,38,38,.1);
}
.form-select { appearance: none; cursor: pointer; }
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M4 6l4 4 4-4' stroke='%2378736c' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 2.5rem;
}

.form-field-error { color: #dc2626; }
.form-error-banner {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

.form-privacy { color: var(--clr-ink-4); }

.success-card {
  background: var(--clr-teal-bg);
  border: 1px solid var(--clr-teal-mid);
}
.success-icon {
  background: var(--clr-teal);
  color: #fff;
}
.success-body { color: var(--clr-ink-2); }

/* ── Footer ─────────────────────────────────────────────────────── */
.site-footer {
  background: var(--clr-ink);
  color: var(--clr-ink-4);
}
.footer-logo-icon {
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.7);
}
.footer-logo-text { color: rgba(255,255,255,.9); }
.footer-tagline { color: rgba(255,255,255,.45); }
.footer-heading { color: rgba(255,255,255,.35); letter-spacing: .08em; }
.footer-link {
  color: rgba(255,255,255,.55);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-link:hover { color: #fff; }
.footer-divider { border-top: 1px solid rgba(255,255,255,.08); }
.footer-bottom-text { color: rgba(255,255,255,.3); }

/* ── Animations ─────────────────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
  opacity: 0;
  animation: fadeInUp 0.65s ease forwards;
}

/* JS-triggered class for scroll observer */
.animate-in {
  opacity: 1 !important;
  animation: fadeInUp 0.65s ease forwards;
}

/* Ensure hero elements run on load */
.hero-section .fade-in-up {
  opacity: 1;
}

/* ── Smooth scroll offset for anchor links ──────────────────────── */
[id] { scroll-margin-top: 6rem; }

/* ── Focus styles ───────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--clr-teal);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ── Utility ────────────────────────────────────────────────────── */
.animate-spin {
  animation: spin 1s linear infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── Responsive tweaks ──────────────────────────────────────────── */
@media (min-width: 1024px) {
  .hero-section { min-height: 100vh; }
}

/* ── FAQ Accordion ──────────────────────────────────────────────── */
.faq-section { background: var(--clr-surface-2); }

.faq-item {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-soft);
  transition: box-shadow 0.2s;
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-item-open {
  border-color: var(--clr-teal-mid);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--clr-ink);
  transition: color 0.2s;
}
.faq-question:hover { color: var(--clr-teal); }
.faq-icon { color: var(--clr-ink-3); transition: transform 0.25s ease; }
.faq-answer { color: var(--clr-ink-2); }

/* ── Blog cards ─────────────────────────────────────────────────── */
.blog-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-soft);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s, transform 0.25s;
}
.blog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.blog-card-img {
  display: block;
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-bottom: 1px solid var(--clr-border-soft);
}

.blog-category {
  background: var(--clr-teal-bg);
  color: var(--clr-teal-dark);
}
.blog-meta   { color: var(--clr-ink-4); }
.blog-date   { color: var(--clr-ink-4); }
.blog-excerpt { color: var(--clr-ink-3); }

.blog-title-link {
  color: var(--clr-ink);
  text-decoration: none;
  transition: color 0.2s;
}
.blog-title-link:hover { color: var(--clr-teal); }

.blog-read-more {
  color: var(--clr-teal);
  text-decoration: none;
  transition: gap 0.2s;
}
.blog-read-more:hover { color: var(--clr-teal-dark); }

.blog-empty-state {
  background: var(--clr-teal-bg);
  border: 1px solid var(--clr-teal-mid);
}

/* ── Article / Blog post ────────────────────────────────────────── */
.article-divider {
  height: 3px;
  width: 48px;
  background: var(--clr-teal);
  border-radius: 2px;
}

.author-avatar {
  background: var(--clr-teal-bg);
  color: var(--clr-teal-dark);
  border: 1.5px solid var(--clr-teal-mid);
  font-size: 0.7rem;
}

.article-body {
  color: var(--clr-ink-2);
  line-height: 1.8;
}
.article-body h2 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.5rem;
  color: var(--clr-ink);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}
.article-body p  { margin-bottom: 1.25rem; }
.article-body ul, .article-body ol {
  margin-left: 1.5rem;
  margin-bottom: 1.25rem;
}
.article-body li { margin-bottom: 0.5rem; }
.article-body a  { color: var(--clr-teal); text-decoration: underline; text-decoration-color: var(--clr-teal-mid); }
.article-body a:hover { color: var(--clr-teal-dark); }

.article-cta-card {
  background: var(--clr-teal-bg);
  border: 1px solid var(--clr-teal-mid);
}

/* ── Breadcrumbs ────────────────────────────────────────────────── */
.breadcrumb-nav { color: var(--clr-ink-4); }
.breadcrumb-sep { color: var(--clr-ink-4); }
.breadcrumb-current { color: var(--clr-ink-2); }

/* ── 500 error handler placeholder ─────────────────────────────── */
.error-page { min-height: 80vh; display: flex; align-items: center; justify-content: center; }

/* ── Footer contact/areas ───────────────────────────────────────── */
.footer-contact { color: rgba(255,255,255,.5); }
.footer-areas   { color: rgba(255,255,255,.45); }

/* ── Honeypot — hidden from real users, visible to bots ─────────── */
.honeypot-field {
  position: absolute !important;
  left: -10000px !important;
  top: auto !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}