/* =============================================================
   [BUSINESS NAME] — Accounting Website
   Modern & clean design system
   ============================================================= */

/* ---------- Design tokens ---------- */
:root {
  /* Colors */
  --bg:           #FAF8F4;
  --surface:      #FFFFFF;
  --surface-alt:  #F2EEE7;
  --border:       #E5DFD3;
  --ink:          #1B2A3A;
  --ink-soft:     #4A5868;
  --muted:        #7A8694;
  --accent:       #2F6F5E;   /* deep sage */
  --accent-soft:  #DDEBE5;
  --accent-ink:   #1F4A3F;
  --gold:         #C4A35A;

  /* Type */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
               Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Source Serif 4", "Source Serif Pro", Georgia, "Times New Roman", serif;

  /* Layout */
  --container: 1140px;
  --radius: 14px;
  --radius-sm: 8px;

  /* Effects */
  --shadow-sm: 0 1px 2px rgba(20, 30, 40, 0.04),
               0 2px 8px rgba(20, 30, 40, 0.04);
  --shadow-md: 0 4px 12px rgba(20, 30, 40, 0.06),
               0 12px 32px rgba(20, 30, 40, 0.06);

  --transition: 180ms ease;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--accent-ink); }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
  font-weight: 600;
}

h1 { font-size: clamp(2.25rem, 4.5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; color: var(--ink-soft); }

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

.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--surface-alt);
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.section-head {
  max-width: 680px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head p {
  font-size: 1.05rem;
  color: var(--ink-soft);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.97rem;
  font-family: var(--font-sans);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition),
              color var(--transition), border-color var(--transition),
              box-shadow var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--accent-ink);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--border);
}
.btn-ghost:hover {
  border-color: var(--ink);
  color: var(--ink);
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 248, 244, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--ink);
}
.brand-mark {
  width: 34px; height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-ink));
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.02em;
}
.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.95rem;
}
.nav-links a:hover { color: var(--ink); }
.nav-cta { margin-left: 12px; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 8px;
  cursor: pointer;
  color: var(--ink);
}

/* ---------- Hero ---------- */
.hero {
  padding: 96px 0 80px;
  background:
    radial-gradient(1200px 500px at 80% -10%, var(--accent-soft) 0%, transparent 60%),
    radial-gradient(900px 400px at -10% 10%, #F4ECDB 0%, transparent 55%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}
.hero h1 {
  margin-bottom: 18px;
}
.hero p.lead {
  font-size: 1.15rem;
  color: var(--ink-soft);
  margin-bottom: 28px;
  max-width: 520px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-trust {
  display: flex;
  gap: 24px;
  margin-top: 36px;
  color: var(--muted);
  font-size: 0.9rem;
  flex-wrap: wrap;
}
.hero-trust span { display: inline-flex; align-items: center; gap: 8px; }
.hero-trust svg { color: var(--accent); }

.hero-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: 20px;
  background:
    linear-gradient(160deg, #fff, var(--surface-alt));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.hero-visual::before {
  content: "";
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(
      0deg, transparent 0 38px, rgba(27, 42, 58, 0.06) 38px 39px
    );
  opacity: 0.7;
}
.hero-card {
  position: absolute;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: 18px 20px;
}
.hero-card-1 {
  top: 8%; left: 8%; right: 18%;
}
.hero-card-2 {
  bottom: 10%; left: 14%; right: 8%;
}
.hero-card .label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero-card .value {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--ink);
  margin-top: 4px;
}
.hero-card .delta {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  font-size: 0.85rem;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 10px;
  border-radius: 999px;
  margin-top: 10px;
  font-weight: 600;
}

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform var(--transition), box-shadow var(--transition),
              border-color var(--transition);
}
.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: #d8d0bf;
}
.service-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent-ink);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}
.service-card h3 { margin-bottom: 8px; font-size: 1.18rem; }
.service-card p  { font-size: 0.97rem; margin-bottom: 0; }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}
.about-portrait {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, var(--accent-soft), #fff);
  border: 1px solid var(--border);
  overflow: hidden;
  display: grid;
  place-items: center;
  font-family: var(--font-serif);
  color: var(--accent-ink);
  font-size: 4.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  box-shadow: var(--shadow-sm);
}
.about-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.credentials .pill {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  font-weight: 500;
}

/* ---------- Testimonials ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.testimonial blockquote {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.08rem;
  line-height: 1.55;
  color: var(--ink);
}
.testimonial .stars {
  color: var(--gold);
  font-size: 0.95rem;
  letter-spacing: 2px;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}
.avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-ink);
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 0.95rem;
}
.testimonial-author .who {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
  line-height: 1.2;
}
.testimonial-author .role {
  font-size: 0.83rem;
  color: var(--muted);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}
.contact-info p { margin-bottom: 0.5em; }
.contact-info ul {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 16px;
}
.contact-info li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  color: var(--ink-soft);
}
.contact-info li svg {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
}
.contact-info strong { color: var(--ink); display: block; }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-field { margin-bottom: 16px; }
.form-field label {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.97rem;
  color: var(--ink);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 0;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-field textarea { resize: vertical; min-height: 120px; }

.form-note {
  font-size: 0.83rem;
  color: var(--muted);
  margin-top: 12px;
  margin-bottom: 0;
}

/* ---------- Blog ---------- */
.blog-hero {
  padding: 80px 0 32px;
  text-align: center;
  background:
    radial-gradient(900px 360px at 50% -20%, var(--accent-soft) 0%, transparent 55%);
}
.blog-hero h1 { margin-bottom: 12px; }
.blog-hero p { max-width: 620px; margin: 0 auto; }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  padding-bottom: 96px;
}
.post-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.post-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.post-cover {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--accent-soft), var(--surface-alt));
  display: grid;
  place-items: center;
  color: var(--accent-ink);
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
}
.post-cover.alt-1 { background: linear-gradient(135deg, #E5D9C2, #F4ECDB); color: #6E5524; }
.post-cover.alt-2 { background: linear-gradient(135deg, #DDEBE5, #F1F7F4); color: var(--accent-ink); }
.post-cover.alt-3 { background: linear-gradient(135deg, #E1E6EE, #F2F5FA); color: #2F4258; }
.post-cover.alt-4 { background: linear-gradient(135deg, #F4DDD3, #FBEEE7); color: #84402B; }
.post-cover.alt-5 { background: linear-gradient(135deg, #DDE4E8, #F1F4F6); color: #2C4855; }
.post-cover.alt-6 { background: linear-gradient(135deg, #E8DFEE, #F5F0F9); color: #5A3F73; }

.post-body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.post-meta {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.post-card h3 {
  font-size: 1.18rem;
  margin-bottom: 10px;
}
.post-card p {
  font-size: 0.95rem;
  margin-bottom: 16px;
}
.post-card .read-more {
  margin-top: auto;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--accent);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: #B7C2D0;
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}
.site-footer h4 {
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.site-footer a { color: #B7C2D0; font-size: 0.93rem; }
.site-footer a:hover { color: #fff; }
.site-footer .brand { color: #fff; }
.site-footer .brand-mark { background: linear-gradient(135deg, #4F9985, #2F6F5E); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: #8A97A6;
}

/* ---------- Logo ---------- */
.brand img.logo {
  height: 44px;
  width: auto;
  display: block;
}
.site-header .brand { color: var(--ink); }
.site-footer .brand img.logo {
  /* invert dark text portion for use on dark footer */
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

/* ---------- Article (single blog post) ---------- */
.article {
  padding: 64px 0 96px;
}
.article-head {
  max-width: 760px;
  margin: 0 auto 40px;
  text-align: center;
}
.article-head .post-meta { justify-content: center; margin-bottom: 14px; }
.article-head h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: 18px;
}
.article-head .lede {
  font-size: 1.1rem;
  color: var(--ink-soft);
}
.article-byline {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  margin-top: 22px;
  font-size: 0.9rem;
  color: var(--muted);
}
.article-byline .avatar { width: 36px; height: 36px; }
.article-byline .who { color: var(--ink); font-weight: 600; }

.article-body {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.075rem;
  line-height: 1.75;
  color: var(--ink-soft);
}
.article-body h2 {
  font-size: 1.55rem;
  margin: 2em 0 0.6em;
  color: var(--ink);
}
.article-body h3 {
  font-size: 1.2rem;
  margin: 1.6em 0 0.5em;
  color: var(--ink);
}
.article-body p { margin-bottom: 1.1em; }
.article-body ul,
.article-body ol { margin: 0 0 1.2em 1.4em; padding: 0; }
.article-body li { margin-bottom: 0.5em; }
.article-body strong { color: var(--ink); }
.article-body blockquote {
  margin: 1.6em 0;
  padding: 18px 24px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-serif);
  color: var(--ink);
  font-size: 1.05rem;
}
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 2.5em 0;
}

.article-cta {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  text-align: center;
  margin-top: 40px;
}
.article-cta h3 { margin-bottom: 8px; }
.article-cta p { margin-bottom: 18px; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  font-size: 0.93rem;
  color: var(--ink-soft);
  margin-bottom: 24px;
}
.back-link:hover { color: var(--ink); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-inner,
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 480px; }
  .services-grid,
  .testimonials-grid,
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 16px; right: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    gap: 4px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 8px; }
  .nav-toggle { display: inline-flex; }
  .nav-cta { margin: 8px 0 0; }
  .services-grid,
  .testimonials-grid,
  .blog-grid,
  .form-row,
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 40px; }
  .brand img.logo { height: 38px; }
}