/* Clearflow Data — site styles */

:root {
  --ink: #0A2540;
  --ink-2: #0C2A45;
  --paper: #FBFAF7;
  --paper-2: #F4F0E7;
  --accent: #D64C1E;
  --accent-soft: rgba(214, 76, 30, 0.10);
  --mute: #5A6270;
  --mute-2: #8B929C;
  --rule: #DDD7CB;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Layout helpers */
.section-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Top bar */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 40px;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(180%) blur(6px);
}
.brand, .brand-name-sm {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  font-variation-settings: "opsz" 40;
  letter-spacing: 0.01em;
  color: var(--ink);
}
.brand-dot { color: var(--accent); }
.topbar nav {
  display: flex;
  gap: 28px;
  align-items: center;
  font-size: 14px;
  color: var(--mute);
}
.topbar nav a { transition: color 0.15s; }
.topbar nav a:hover { color: var(--ink); }
.topbar nav a.cta-link {
  color: var(--accent);
  font-weight: 500;
}

/* Eyebrows / small labels */
.eyebrow, .section-eyebrow {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}
.section-eyebrow { margin-bottom: 14px; display: block; }
.accent-on-dark { color: var(--accent); }

/* Headings */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.015em;
  margin: 0;
}
h1 em, h2 em, h3 em {
  font-style: italic;
  color: var(--accent);
  font-family: var(--font-display);
}

h1 {
  font-size: clamp(56px, 8vw, 108px);
  line-height: 0.94;
  font-variation-settings: "opsz" 144, "wght" 400;
  letter-spacing: -0.025em;
  margin-bottom: 32px;
}

h2 {
  font-size: clamp(34px, 4.5vw, 52px);
  line-height: 1.02;
  font-variation-settings: "opsz" 100, "wght" 400;
  margin-bottom: 20px;
}
.on-dark { color: var(--paper); }
.on-dark em { color: var(--accent); }
.on-dark-body { color: var(--paper); opacity: 0.75; font-size: 15px; max-width: 32ch; }

h3 {
  font-size: 22px;
  font-weight: 500;
  font-variation-settings: "opsz" 40, "wght" 500;
  line-height: 1.2;
}

p { margin: 0 0 12px 0; }

/* Hero */
.hero {
  padding: clamp(60px, 10vh, 140px) 32px clamp(80px, 12vh, 160px);
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 32px;
  width: 44px;
  height: 2px;
  background: var(--accent);
}
.hero-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding-top: 30px;
}
.hero .eyebrow { display: block; margin-bottom: 36px; }
.hero .lede {
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.55;
  color: var(--ink);
  max-width: 44ch;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}
.btn-primary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 999px;
  transition: transform 0.15s, background 0.15s, color 0.15s;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { transform: translateY(-1px); background: #041c34; }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}
.btn-ghost:hover { border-color: var(--ink); }
.hero-meta {
  display: flex;
  gap: 14px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mute);
  letter-spacing: 0.02em;
}
.hero-meta i {
  display: inline-block;
  width: 4px;
  height: 4px;
  background: var(--rule);
  border-radius: 50%;
}

/* What / Offers / How sections */
.what, .offers, .how {
  padding: clamp(70px, 10vh, 120px) 32px;
  border-bottom: 1px solid var(--rule);
}
.section-body {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--ink);
  max-width: 60ch;
  margin-bottom: 40px;
}

/* Offer list */
.offer-list {
  list-style: none;
  padding: 0;
  margin: 40px 0 24px 0;
}
.offer-card {
  display: grid;
  grid-template-columns: 60px 1fr 160px;
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--rule);
  align-items: start;
}
.offer-card:last-child { border-bottom: 1px solid var(--rule); }
.offer-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 32px;
  color: var(--accent);
  line-height: 1;
  padding-top: 2px;
}
.offer-body h3 { margin-bottom: 6px; }
.offer-sub {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 12px;
}
.offer-body p {
  color: var(--ink);
  font-size: 14.5px;
  line-height: 1.55;
  margin-bottom: 12px;
  max-width: 60ch;
}
.offer-unlock {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--accent);
  font-size: 14px;
}
.offer-meta {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mute);
  padding-top: 8px;
  letter-spacing: 0.03em;
}
.bundle-note {
  padding: 22px 24px;
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  font-size: 14.5px;
  color: var(--ink);
  margin-top: 24px;
  border-radius: 0 4px 4px 0;
}
.bundle-note a {
  color: var(--accent);
  font-weight: 500;
  border-bottom: 1px solid var(--accent);
}
.bundle-note a:hover { opacity: 0.75; }

/* Principles */
.principles {
  list-style: none;
  padding: 0;
  margin: 40px 0 48px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px 40px;
}
.principle-k {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 8px;
}
.principle-v {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--mute);
  max-width: 42ch;
}

/* Stack strip */
.stack-strip {
  display: flex;
  gap: 16px;
  align-items: center;
  padding-top: 26px;
  border-top: 1px solid var(--rule);
  flex-wrap: wrap;
  font-size: 13.5px;
  color: var(--ink);
}
.stack-strip .stack-k {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mute);
  margin-right: 6px;
}
.stack-strip i {
  display: inline-block;
  width: 3px;
  height: 3px;
  background: var(--rule);
  border-radius: 50%;
}

/* Contact */
.contact {
  background: var(--ink);
  padding: clamp(80px, 10vh, 130px) 32px;
}
.contact-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  align-items: end;
}
.contact-links {
  text-align: right;
}
.contact-links .mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2vw, 24px);
  color: var(--paper);
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(251,250,247, 0.35);
  transition: color 0.15s, border-color 0.15s;
}
.contact-links .mail span { color: var(--accent); }
.contact-links .mail:hover { border-color: var(--accent); }
.contact-secondary {
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--paper);
  opacity: 0.55;
  letter-spacing: 0.03em;
}

/* Footer */
.site-footer {
  padding: 30px 0;
  border-top: 1px solid var(--rule);
  background: var(--paper);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.foot-meta {
  font-size: 12px;
  color: var(--mute);
  letter-spacing: 0.03em;
  font-family: var(--font-mono);
}

/* Focus states */
a:focus-visible, .btn-primary:focus-visible, .btn-ghost:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* Responsive */
@media (max-width: 900px) {
  .topbar { padding: 18px 22px; }
  .topbar nav { gap: 16px; font-size: 13px; }

  .offer-card {
    grid-template-columns: 44px 1fr;
    gap: 20px;
  }
  .offer-meta {
    grid-column: 2 / 3;
    text-align: left;
    padding-top: 0;
    margin-top: -8px;
  }

  .principles { grid-template-columns: 1fr; gap: 26px; }

  .contact-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact-links { text-align: left; }
}

@media (max-width: 600px) {
  .topbar nav a:not(.cta-link) { display: none; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn-primary, .btn-ghost { justify-content: center; }
  .hero-meta { font-size: 11px; gap: 10px; }
  .footer-inner { flex-direction: column; gap: 10px; align-items: flex-start; }
}