/* Bulbring AI — editorial design system */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --paper: #F6F4EF;
  --paper-raised: #FDFCF9;
  --ink: #1A1814;
  --ink-soft: #46423A;
  --muted: #877F71;
  --line: #E1DCD0;
  --line-strong: #C6BFAF;
  --green: #1F3D2B;
  --green-soft: #2E5540;
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --prose: 'Newsreader', Georgia, serif;
  --sans: 'Instrument Sans', 'Helvetica Neue', Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--prose);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--green); color: var(--paper); }

.container { max-width: 1140px; margin: 0 auto; padding: 0 2.5rem; }
.container-narrow { max-width: 760px; margin: 0 auto; padding: 0 2.5rem; }

/* ---------- Nav ---------- */
header.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s;
}
header.site-nav.scrolled { border-color: var(--line); }
.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 1.4rem 2.5rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
}
.logo {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.logo em { font-style: italic; font-weight: 500; color: var(--green); }
.nav-links { display: flex; align-items: baseline; gap: 2.25rem; list-style: none; }
.nav-links a {
  font-family: var(--sans);
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 550;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links a.nav-cta {
  color: var(--paper);
  background: var(--ink);
  padding: 0.55rem 1.05rem;
  transition: background 0.2s;
}
.nav-links a.nav-cta:hover { background: var(--green); color: var(--paper); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
@media (max-width: 800px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.75rem 0 1.25rem;
  }
  .nav-links.open { display: flex; }
  .nav-links li { padding: 0 2.5rem; }
  .nav-links a { display: block; padding: 0.8rem 0; font-size: 0.78rem; }
  .nav-links a.nav-cta { text-align: center; margin-top: 0.75rem; }
}

/* ---------- Typography ---------- */
h1 {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 6.5vw, 4.6rem);
  font-weight: 480;
  letter-spacing: -0.015em;
  line-height: 1.04;
  font-variation-settings: 'opsz' 72;
}
h1 em, h2 em { font-style: italic; font-weight: 440; }
h2 {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  font-weight: 500;
  letter-spacing: -0.012em;
  line-height: 1.12;
}
h3 {
  font-family: var(--serif);
  font-size: 1.28rem;
  font-weight: 560;
  letter-spacing: -0.005em;
  line-height: 1.25;
}

.kicker {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1.4rem;
}
.section-intro {
  color: var(--ink-soft);
  font-size: 1.12rem;
  max-width: 34em;
  margin-top: 1.25rem;
  line-height: 1.65;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.95rem 1.9rem;
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--ink);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.btn-solid { background: var(--ink); color: var(--paper); }
.btn-solid:hover { background: var(--green); border-color: var(--green); }
.btn-line { background: transparent; color: var(--ink); }
.btn-line:hover { background: var(--ink); color: var(--paper); }
.text-link {
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 0.3rem;
  transition: border-color 0.2s, color 0.2s;
}
.text-link:hover { color: var(--green); border-color: var(--green); }

/* ---------- Sections ---------- */
section { padding: 6.5rem 0; }
.rule-top { border-top: 1px solid var(--line); }

.section-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  align-items: start;
  margin-bottom: 4rem;
}
.section-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--muted);
  padding-top: 0.5rem;
}
@media (max-width: 800px) {
  .section-head { grid-template-columns: 1fr; gap: 0.75rem; margin-bottom: 3rem; }
}

/* ---------- Hero ---------- */
.hero { padding: 7.5rem 0 6.5rem; }
.hero h1 { max-width: 15.5em; }
.hero-sub {
  margin-top: 2rem;
  font-size: 1.18rem;
  color: var(--ink-soft);
  max-width: 32em;
  line-height: 1.65;
}
.hero-actions { margin-top: 3rem; display: flex; flex-wrap: wrap; gap: 1.25rem 2.5rem; align-items: center; }
.hero-foot {
  margin-top: 5.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Steps (editorial columns) ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3rem; }
@media (max-width: 800px) { .steps { grid-template-columns: 1fr; gap: 2.5rem; } }
.step { border-top: 1px solid var(--line-strong); padding-top: 1.5rem; }
.step-label {
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1.1rem;
}
.step h3 { margin-bottom: 0.8rem; }
.step p { font-size: 0.98rem; color: var(--ink-soft); line-height: 1.68; }

/* ---------- Ruled list (what we automate) ---------- */
.ruled-list { border-top: 1px solid var(--line-strong); }
.ruled-item {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--line);
}
.ruled-item h3 { font-size: 1.12rem; }
.ruled-item p { font-size: 0.98rem; color: var(--ink-soft); line-height: 1.65; max-width: 44em; }
@media (max-width: 800px) {
  .ruled-item { grid-template-columns: 1fr; gap: 0.4rem; padding: 1.3rem 0; }
}

/* ---------- Figures row ---------- */
.figures { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3rem; }
@media (max-width: 800px) { .figures { grid-template-columns: 1fr; gap: 2.5rem; } }
.figure { border-top: 1px solid var(--line-strong); padding-top: 1.5rem; }
.figure-value {
  font-family: var(--serif);
  font-size: 3.4rem;
  font-weight: 440;
  letter-spacing: -0.02em;
  line-height: 1;
}
.figure-value span { font-size: 1.6rem; font-style: italic; color: var(--muted); margin-left: 0.2rem; }
.figure-label { margin-top: 0.9rem; font-size: 0.92rem; color: var(--ink-soft); line-height: 1.6; max-width: 24em; }

/* ---------- Ink band (CTA) ---------- */
.ink-band { background: var(--ink); color: var(--paper); padding: 7rem 0; }
.ink-band .kicker { color: #8FB79E; }
.ink-band h2 { color: var(--paper); max-width: 18em; }
.ink-band p { margin: 1.5rem 0 2.75rem; color: #B8B2A4; max-width: 30em; font-size: 1.08rem; }
.ink-band .btn { border-color: var(--paper); color: var(--paper); background: transparent; }
.ink-band .btn:hover { background: var(--paper); color: var(--ink); }

/* ---------- Page headers ---------- */
.page-header { padding: 6.5rem 0 4.5rem; }
.page-header h1 { max-width: 14em; }
.page-header .lede {
  margin-top: 1.75rem;
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 32em;
  line-height: 1.65;
}

/* ---------- Services ---------- */
.service {
  display: grid;
  grid-template-columns: 200px 1fr 1fr;
  gap: 3rem;
  padding: 3.5rem 0;
  border-top: 1px solid var(--line-strong);
}
.service:last-of-type { border-bottom: 1px solid var(--line-strong); }
@media (max-width: 900px) { .service { grid-template-columns: 1fr; gap: 1.5rem; padding: 2.75rem 0; } }
.service-meta .service-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--muted);
}
.service-meta .service-terms {
  margin-top: 0.8rem;
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
}
.service-main h3 { font-size: 1.55rem; margin-bottom: 1rem; }
.service-main > p { font-size: 1.02rem; color: var(--ink-soft); line-height: 1.7; max-width: 30em; }
.service-includes { list-style: none; margin-top: 0.4rem; }
.service-includes li {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.6;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
}
.service-includes li:first-child { padding-top: 0; }
.service-for {
  margin-top: 1.6rem;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
  font-style: italic;
}

/* ---------- Prose ---------- */
.prose { font-size: 1.06rem; color: var(--ink-soft); line-height: 1.78; }
.prose p { margin-bottom: 1.6rem; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose em { font-style: italic; }
.prose h2 {
  color: var(--ink);
  margin: 3.25rem 0 1.25rem;
  font-size: 1.65rem;
}
.prose h3 { color: var(--ink); margin: 2.5rem 0 1rem; }
.prose ul, .prose ol { margin: 0 0 1.6rem 1.4rem; }
.prose li { margin-bottom: 0.6rem; }
.prose a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; transition: text-decoration-color 0.2s; }
.prose a:hover { text-decoration-color: var(--green); }
.prose blockquote {
  border-left: 2px solid var(--green);
  padding-left: 1.75rem;
  margin: 2.25rem 0;
  color: var(--ink);
  font-size: 1.15rem;
  font-style: italic;
}

/* ---------- Blog ---------- */
.post-list { border-top: 1px solid var(--line-strong); }
.post-entry {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.5rem;
  padding: 2.75rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
}
@media (max-width: 800px) { .post-entry { grid-template-columns: 1fr; gap: 0.75rem; padding: 2.25rem 0; } }
.post-side {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 550;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 2;
}
.post-side .cat { color: var(--green); display: block; }
.post-entry h3 { font-size: 1.5rem; transition: color 0.2s; max-width: 20em; }
.post-entry:hover h3 { color: var(--green); }
.post-entry p { margin-top: 0.8rem; font-size: 0.99rem; color: var(--ink-soft); line-height: 1.68; max-width: 40em; }

/* Article */
.article-header { padding: 6.5rem 0 3.5rem; }
.article-header h1 { font-size: clamp(2.1rem, 5vw, 3.2rem); max-width: 17em; }
.article-meta {
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 550;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.6rem;
}
.article-meta .cat { color: var(--green); }
.article-body { padding: 0.5rem 0 6rem; }
.article-end { margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--line); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 5rem; align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; gap: 3.5rem; } }
form label {
  display: block;
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--ink);
}
form input, form textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line-strong);
  padding: 0.6rem 0 0.85rem;
  font-size: 1.05rem;
  font-family: var(--prose);
  color: var(--ink);
  margin-bottom: 2.1rem;
  border-radius: 0;
  transition: border-color 0.2s;
}
form input:focus, form textarea:focus { outline: none; border-color: var(--green); }
form textarea { resize: vertical; min-height: 110px; line-height: 1.6; }
::placeholder { color: var(--muted); opacity: 1; }
form button { margin-top: 0.4rem; }
.contact-alt { border-top: 1px solid var(--line-strong); padding-top: 1.75rem; }
.contact-alt h3 { margin-bottom: 0.9rem; }
.contact-alt > p { font-size: 0.99rem; color: var(--ink-soft); line-height: 1.7; margin-bottom: 1.75rem; max-width: 26em; }
.contact-line { padding: 1.1rem 0; border-top: 1px solid var(--line); }
.contact-line span {
  display: block;
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 0.3rem;
}
.contact-line a { color: var(--ink); text-decoration: none; font-size: 1.02rem; transition: color 0.2s; }
.contact-line a:hover { color: var(--green); }

/* ---------- Footer ---------- */
footer.site-footer { border-top: 1px solid var(--line-strong); padding: 4rem 0 3rem; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 3rem; flex-wrap: wrap; }
.footer-brand p { margin-top: 0.9rem; font-size: 0.92rem; color: var(--muted); max-width: 21em; line-height: 1.65; }
.footer-links { display: flex; gap: 4.5rem; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 0.7rem; }
.footer-col span {
  font-family: var(--sans);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.35rem;
}
.footer-col a { font-size: 0.94rem; color: var(--ink-soft); text-decoration: none; transition: color 0.2s; }
.footer-col a:hover { color: var(--green); }
.footer-bottom {
  margin-top: 3.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 640px) {
  section { padding: 4.5rem 0; }
  .hero { padding: 4.5rem 0; }
  .container, .container-narrow { padding: 0 1.4rem; }
  .nav-inner { padding: 1.2rem 1.4rem; }
  .ink-band { padding: 5rem 0; }
}