/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* ── Tokens ── */
:root {
  /* B3 palette: deep navy + crisp white + cream accent */
  --ink:          #1a1a18;
  --ink-mid:      #445572;
  --ink-muted:    #6a7a8a;
  --paper:        #ffffff;
  --paper-warm:   #f8f5ee;
  --rule:         #dde2ec;
  --accent:       #172d5e;
  --accent-light: #eaeffa;
  --accent-mid:   #1c3a6b;
  --danger-soft:  #f5ece8;
  --danger-ink:   #7a3828;
  --serif:        'DM Serif Display', Georgia, serif;
  --sans:         'DM Sans', system-ui, sans-serif;
}

/* ── Base ── */
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 300;
}

/* ── Nav ── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.nav-logo img {
  height: 36px;
  width: auto;
  display: block;
}
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mid);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
}
@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 60px; left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1.25rem;
  }
  .nav-links.open { display: flex; }
}

/* ── Layout ── */
.container      { max-width: 860px;  margin: 0 auto; padding: 0 2rem; }
.container-wide { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }
section { padding: 5rem 0; }
section + section { border-top: 1px solid var(--rule); }

/* ── Typography ── */
h1 {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 400;
}
h2 {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 400;
  margin-bottom: 1.5rem;
}
h3 {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
p { color: var(--ink-mid); margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }
.eyebrow {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  display: block;
}

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: white; }
.btn-primary:hover { background: #4a0f1a; border-color: #4a0f1a; color: white; }
.btn-ghost { border-color: var(--rule); color: var(--ink-mid); }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); background: transparent; }

/* ── Grid ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
@media (max-width: 700px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; gap: 2rem; }
}

/* ── Cards ── */
.card {
  background: white;
  border: 1px solid var(--rule);
  padding: 2rem;
}
.card-accent {
  background: var(--accent-light);
  border: 1px solid #dbc0c6;
  padding: 2rem;
}

/* ── Hero ── */
.hero {
  padding: 7rem 0 5rem;
  border-bottom: 1px solid var(--rule);
}

.hero-kicker {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.hero-kicker::before {
  content: '';
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--accent);
}
.hero h1      { margin-bottom: 1.5rem; max-width: 740px; }
.hero-sub {
  font-size: 1.1rem;
  color: var(--ink-mid);
  max-width: 520px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── Proof bar ── */
.proof-bar { background: var(--paper-warm); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 2rem 0; }
.proof-bar-inner { display: flex; align-items: center; gap: 3rem; flex-wrap: wrap; }
.proof-item { text-align: center; flex: 1; min-width: 120px; }
.proof-number { font-family: var(--serif); font-size: 2rem; color: var(--ink); line-height: 1; display: block; }
.proof-label  { font-size: 0.72rem; color: var(--ink-muted); letter-spacing: 0.06em; text-transform: uppercase; margin-top: 0.25rem; }
.proof-divider { width: 1px; height: 40px; background: var(--rule); flex-shrink: 0; }

/* ── Tech tags ── */
.tech-row { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; padding-top: 2rem; border-top: 1px solid var(--rule); }
.tech-label { font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-muted); white-space: nowrap; }
.tech-tag { font-size: 0.72rem; font-weight: 500; color: var(--ink-mid); border: 1px solid var(--rule); padding: 0.3rem 0.75rem; background: white; }

/* ── Pull quote ── */
.pull-quote { border-left: 3px solid var(--accent); padding: 1.5rem 2rem; margin: 3rem 0; background: var(--accent-light); }
.pull-quote p { font-family: var(--serif); font-size: 1.3rem; color: var(--ink); font-style: italic; line-height: 1.5; margin: 0; }

/* ── Lists ── */
.check-list, .x-list { list-style: none; padding: 0; }
.check-list li, .x-list li {
  padding: 0.6rem 0 0.6rem 1.5rem;
  position: relative;
  color: var(--ink-mid);
  border-bottom: 1px solid var(--rule);
  font-size: 0.95rem;
}
.check-list li:last-child, .x-list li:last-child { border-bottom: none; }
.check-list li::before { content: '→'; position: absolute; left: 0; color: var(--accent); }
.x-list     li::before { content: '×'; position: absolute; left: 0; color: var(--danger-ink); }

/* ── Tier cards ── */
.tier-card { border: 1px solid var(--rule); padding: 2rem; background: white; position: relative; }
.tier-card.featured { border-color: var(--accent); border-width: 2px; }
.tier-badge { position: absolute; top: -1px; right: 1.5rem; background: var(--accent); color: white; font-size: 0.65rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; padding: 0.25rem 0.75rem; }
.tier-name  { font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); margin-bottom: 0.5rem; }
.tier-price { font-family: var(--serif); font-size: 2.2rem; color: var(--ink); line-height: 1; margin-bottom: 0.25rem; }
.tier-price span { font-family: var(--sans); font-size: 0.85rem; color: var(--ink-muted); font-weight: 300; }
.tier-desc  { font-size: 0.85rem; color: var(--ink-mid); margin: 1rem 0 1.5rem; line-height: 1.5; }
.tier-features { list-style: none; padding: 0; border-top: 1px solid var(--rule); padding-top: 1.25rem; }
.tier-features li { font-size: 0.85rem; color: var(--ink-mid); padding: 0.4rem 0 0.4rem 1.25rem; position: relative; border-bottom: 1px solid var(--rule); }
.tier-features li:last-child { border-bottom: none; }
.tier-features li::before { content: '→'; position: absolute; left: 0; color: var(--accent); font-size: 0.8rem; }

/* ── Stat blocks ── */
.stat { padding: 2rem 0; border-bottom: 1px solid var(--rule); }
.stat:last-child { border-bottom: none; }
.stat-number { font-family: var(--serif); font-size: 3rem; color: var(--accent); line-height: 1; margin-bottom: 0.25rem; }
.stat-label  { font-size: 0.85rem; color: var(--ink-mid); font-weight: 500; letter-spacing: 0.04em; }

/* ── Fit grid ── */
.fit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.fit-col { padding: 2rem; }
.fit-col.good { background: var(--accent-light); border: 1px solid #dbc0c6; }
.fit-col.not  { background: var(--danger-soft);  border: 1px solid #e0c8c0; }
.fit-col.good h2 { color: var(--accent); }
.fit-col.not  h2 { color: var(--danger-ink); }
@media (max-width: 700px) { .fit-grid { grid-template-columns: 1fr; } }

/* ── Accordion ── */
.accordion { border-top: 1px solid var(--rule); }
.accordion-item { border-bottom: 1px solid var(--rule); }
.accordion-trigger {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 1.25rem 0; background: none; border: none; cursor: pointer;
  font-family: var(--sans); font-size: 0.95rem; font-weight: 500; color: var(--ink); text-align: left;
}
.accordion-trigger .icon { font-size: 1.2rem; color: var(--accent); transition: transform 0.25s; }
.accordion-trigger.open .icon { transform: rotate(45deg); }
.accordion-body { display: none; padding-bottom: 1.5rem; }
.accordion-body.open { display: block; }
.accordion-body ul { list-style: none; padding: 0; }
.accordion-body ul li { padding: 0.4rem 0 0.4rem 1.25rem; position: relative; font-size: 0.9rem; color: var(--ink-mid); border-bottom: 1px solid var(--rule); }
.accordion-body ul li:last-child { border-bottom: none; }
.accordion-body ul li::before { content: '→'; position: absolute; left: 0; color: var(--accent); font-size: 0.8rem; }

/* ── Contact form ── */
.contact-form { max-width: 560px; }
.form-row { margin-bottom: 1.5rem; }
.form-row label { display: block; font-size: 0.72rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-mid); margin-bottom: 0.5rem; }
.form-row input, .form-row textarea, .form-row select {
  width: 100%; padding: 0.75rem 1rem; border: 1px solid var(--rule); background: white;
  font-family: var(--sans); font-size: 0.95rem; color: var(--ink); outline: none;
  transition: border-color 0.2s; appearance: none;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus { border-color: var(--accent); }
.form-row textarea { height: 120px; resize: vertical; }

/* ── About aside ── */
.about-aside { background: var(--paper-warm); border: 1px solid var(--rule); padding: 2rem; }
.about-initials { width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.25rem; background: var(--paper-warm); border: 1px solid var(--rule); padding: 4px; }

/* ── Footer ── */
.site-footer { background: var(--accent); color: rgba(255,255,255,0.55); padding: 3rem 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 2rem; }
.footer-brand   { font-family: var(--serif); font-size: 1.1rem; color: white; margin-bottom: 0.5rem; }
.footer-tagline { font-size: 0.8rem; color: rgba(255,255,255,0.4); }
.footer-links   { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a { font-size: 0.8rem; color: rgba(255,255,255,0.5); text-decoration: none; }
.footer-links a:hover { color: white; }
.footer-copy    { font-size: 0.75rem; color: rgba(255,255,255,0.3); margin-top: 2rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); }

/* ── Pricing tool ── */
.infra-option { display: flex; align-items: flex-start; gap: 1rem; cursor: pointer; padding: 1rem; border: 1px solid var(--rule); background: white; transition: border-color 0.15s; }
.infra-option:has(input:checked) { border-color: var(--accent); }