/* ============================================================
   CAJUN BIOHACKING — design tokens
   Grounded in Louisiana bayou materials: cypress, marsh water,
   cast iron, roux, crawfish-boil spice, brass.
   ============================================================ */

:root {
  --marsh:        #16231d;   /* deep cypress-swamp green-black, primary bg */
  --marsh-light:  #1f322a;   /* raised surface / cards */
  --marsh-line:   #33473d;   /* hairline borders on dark */
  --parchment:    #f2ead6;   /* warm paper, primary text on dark + light-card bg */
  --parchment-dim:#c9bfa4;   /* secondary text on dark */
  --ink:          #1c1810;   /* text on light surfaces */
  --ink-dim:      #5c5644;   /* secondary text on light surfaces */
  --roux:         #8a4a2b;   /* dark roux-brown, structural accent */
  --cayenne:      #c4562a;   /* crawfish-boil spice red, CTA / energy accent */
  --brass:        #c99a3f;   /* cast-iron brass, highlight / numerals */

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

  --max: 1080px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--marsh);
  color: var(--parchment);
  line-height: 1.65;
  font-size: 1.05rem;
}

a { color: inherit; }

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

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- topbar / nav ---------- */

.topbar {
  border-bottom: 1px solid var(--marsh-line);
  background: rgba(22, 35, 29, 0.92);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--parchment);
  letter-spacing: 0.01em;
}

.brand small {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  font-weight: 400;
}

nav.mainnav ul {
  list-style: none;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

nav.mainnav a {
  text-decoration: none;
  color: var(--parchment-dim);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 3px;
  transition: color 0.2s, background 0.2s;
}

nav.mainnav a:hover,
nav.mainnav a.active {
  color: var(--parchment);
  background: var(--marsh-light);
}

.nav-cta {
  background: var(--cayenne) !important;
  color: var(--parchment) !important;
}
.nav-cta:hover { background: #a8461f !important; }

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--marsh-line);
  border-radius: 4px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  position: relative;
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
  content: '';
  display: block;
  width: 18px;
  height: 2px;
  background: var(--parchment);
  position: absolute;
  left: 11px;
  transition: all 0.25s;
}
.menu-toggle span { top: 19px; }
.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { top: 6px; }

@media (max-width: 800px) {
  .menu-toggle { display: block; }
  nav.mainnav { display: none; width: 100%; }
  nav.mainnav.show { display: block; }
  .topbar .wrap { flex-wrap: wrap; }
  nav.mainnav ul { flex-direction: column; width: 100%; padding-top: 12px; }
  nav.mainnav a { display: block; padding: 12px 14px; }
}

/* ---------- hero ---------- */

.hero {
  padding: 96px 0 88px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(196,86,42,0.18), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 10%, rgba(201,154,63,0.14), transparent 60%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 340px; margin: 0 auto 20px; }
}

.hero-art svg { width: 100%; height: auto; }

/* ---------- icon chip for tool cards ---------- */

.icon-chip {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.icon-chip svg { width: 24px; height: 24px; }

.chip-cold   { background: rgba(90,160,200,0.16); color: #7fb8e0; }
.chip-breath { background: rgba(201,154,63,0.16); color: var(--brass); }
.chip-food   { background: rgba(196,86,42,0.16); color: var(--cayenne); }
.chip-sleep  { background: rgba(138,90,200,0.16); color: #b28ee0; }
.chip-light  { background: rgba(228,90,40,0.18); color: #e8703c; }
.chip-blue   { background: rgba(90,130,220,0.16); color: #8aa5ec; }
.chip-earth  { background: rgba(90,150,90,0.18); color: #7fbf7f; }
.chip-fast   { background: rgba(201,154,63,0.16); color: var(--brass); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
  display: inline-block;
  margin-bottom: 22px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--roux);
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 5.4vw, 4.1rem);
  line-height: 1.06;
  max-width: 780px;
  color: var(--parchment);
}

.hero h1 em {
  font-style: italic;
  color: var(--cayenne);
}

.hero .lede {
  margin-top: 26px;
  max-width: 620px;
  font-size: 1.2rem;
  color: var(--parchment-dim);
}

.hero-actions {
  margin-top: 38px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.98rem;
  text-decoration: none;
  padding: 14px 26px;
  border-radius: 3px;
  transition: transform 0.15s, background 0.2s;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary { background: var(--cayenne); color: var(--parchment); }
.btn-primary:hover { background: #a8461f; }

.btn-ghost {
  background: transparent;
  color: var(--parchment);
  border: 1px solid var(--marsh-line);
}
.btn-ghost:hover { border-color: var(--brass); color: var(--brass); }

/* ---------- sections ---------- */

section { padding: 80px 0; }
section.alt { background: var(--marsh-light); border-top: 1px solid var(--marsh-line); border-bottom: 1px solid var(--marsh-line); }
section.light {
  background: var(--parchment);
  color: var(--ink);
}

.section-head { max-width: 700px; margin-bottom: 50px; }

.kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cayenne);
  margin-bottom: 14px;
  display: block;
}

section.light .kicker { color: var(--roux); }

h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  line-height: 1.15;
}

h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  margin-bottom: 10px;
}

p { color: inherit; }
.dim { color: var(--parchment-dim); }
section.light .dim { color: var(--ink-dim); }

.lead-text {
  font-size: 1.15rem;
  max-width: 680px;
  color: var(--parchment-dim);
}
section.light .lead-text { color: var(--ink-dim); }

/* ---------- grid / cards ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
  margin-top: 10px;
}

.card {
  background: var(--marsh);
  border: 1px solid var(--marsh-line);
  border-radius: 6px;
  padding: 28px 26px;
}
section.light .card {
  background: #fff;
  border-color: #e4dbc4;
}

.card .tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 12px;
  display: block;
}

.card p { font-size: 0.98rem; color: var(--parchment-dim); }
section.light .card p { color: var(--ink-dim); }

/* ---------- five forces strip ---------- */

.forces-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
  background: var(--marsh-line);
  border: 1px solid var(--marsh-line);
  border-radius: 6px;
  overflow: hidden;
  margin-top: 34px;
}
.forces-strip a {
  text-decoration: none;
  background: var(--marsh-light);
  color: var(--parchment);
  padding: 26px 16px;
  text-align: center;
  transition: background 0.2s;
}
.forces-strip a:hover { background: #29392f; }
.forces-strip .num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--brass);
  display: block;
  margin-bottom: 10px;
}
.forces-strip .name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
}
@media (max-width: 720px) {
  .forces-strip { grid-template-columns: 1fr 1fr; }
}

/* ---------- process steps (reset process) ---------- */

.steps { counter-reset: step; margin-top: 20px; }

.step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 30px 0;
  border-top: 1px solid var(--marsh-line);
}
.step:first-child { border-top: none; }
section.light .step { border-top-color: #e4dbc4; }

.step .stepnum {
  font-family: var(--font-display);
  font-size: 2.1rem;
  color: var(--roux);
  font-weight: 700;
}

.step h3 { margin-bottom: 8px; }
.step p { color: var(--parchment-dim); }
section.light .step p { color: var(--ink-dim); }

/* ---------- force detail blocks ---------- */

.force-block {
  padding: 64px 0;
  border-top: 1px solid var(--marsh-line);
}
.force-block .fnum {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--brass);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 14px;
}
.force-block h2 { margin-bottom: 6px; }
.force-block .fquote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--parchment-dim);
  max-width: 640px;
  margin: 18px 0 34px;
}
.force-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 10px;
}
@media (max-width: 760px) { .force-cols { grid-template-columns: 1fr; } }

.force-cols h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cayenne);
  margin-bottom: 14px;
}
.force-cols ul { list-style: none; }
.force-cols li {
  padding-left: 18px;
  position: relative;
  margin-bottom: 12px;
  font-size: 0.98rem;
  color: var(--parchment-dim);
}
.force-cols li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--roux);
}

.reflect-box {
  margin-top: 34px;
  border: 1px dashed var(--marsh-line);
  border-radius: 6px;
  padding: 22px 24px;
  background: var(--marsh-light);
}
.reflect-box .tag { color: var(--brass); font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; display: block; margin-bottom: 10px; }
.reflect-box p { color: var(--parchment-dim); font-size: 0.98rem; }

/* ---------- cta banner ---------- */

.cta-banner {
  background: linear-gradient(120deg, var(--roux), var(--cayenne));
  border-radius: 10px;
  padding: 56px 44px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-banner h2 { color: #fff; margin-bottom: 8px; }
.cta-banner p { color: rgba(255,255,255,0.85); max-width: 460px; }
.cta-banner .btn-primary { background: #1c1810; }
.cta-banner .btn-primary:hover { background: #000; }

/* ---------- footer ---------- */

footer {
  background: #101a15;
  border-top: 1px solid var(--marsh-line);
  padding: 56px 0 30px;
}
footer .foot-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 40px;
  margin-bottom: 40px;
}
footer .brand { margin-bottom: 12px; }
footer .foot-col h4 {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 14px;
}
footer .foot-col ul { list-style: none; }
footer .foot-col li { margin-bottom: 10px; }
footer .foot-col a { text-decoration: none; color: var(--parchment-dim); font-size: 0.94rem; }
footer .foot-col a:hover { color: var(--parchment); }
footer .fineprint {
  border-top: 1px solid var(--marsh-line);
  padding-top: 24px;
  font-size: 0.82rem;
  color: var(--parchment-dim);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.back-link {
  display: inline-block;
  margin-bottom: 28px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--parchment-dim);
}
.back-link:hover { color: var(--brass); }

/* ---------- five forces color coding ---------- */

:root {
  --f1: #c4562a; /* Fear - cayenne */
  --f2: #c99a3f; /* Food - brass */
  --f3: #7fbf7f; /* Fertility - green */
  --f4: #7fb8e0; /* Friendship - blue */
  --f5: #b28ee0; /* Forgiveness - violet */
}

.force-block[id="fear"]        { border-top-color: var(--f1); border-top-width: 3px; }
.force-block[id="food"]        { border-top-color: var(--f2); border-top-width: 3px; }
.force-block[id="fertility"]   { border-top-color: var(--f3); border-top-width: 3px; }
.force-block[id="friendship"]  { border-top-color: var(--f4); border-top-width: 3px; }
.force-block[id="forgiveness"] { border-top-color: var(--f5); border-top-width: 3px; }

.force-block[id="fear"] .fnum        { color: var(--f1); }
.force-block[id="food"] .fnum        { color: var(--f2); }
.force-block[id="fertility"] .fnum   { color: var(--f3); }
.force-block[id="friendship"] .fnum  { color: var(--f4); }
.force-block[id="forgiveness"] .fnum { color: var(--f5); }

.cycle-wrap { max-width: 460px; margin: 40px auto 10px; }
.cycle-wrap svg { width: 100%; height: auto; }

/* ---------- about page ---------- */

.timeline { border-left: 2px solid var(--marsh-line); padding-left: 30px; margin-top: 30px; }
.timeline .titem { position: relative; padding-bottom: 40px; }
.timeline .titem:last-child { padding-bottom: 0; }
.timeline .titem::before {
  content: '';
  position: absolute;
  left: -36px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cayenne);
  border: 3px solid var(--marsh);
}
.timeline .tyear {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--brass);
  display: block;
  margin-bottom: 6px;
}

.portrait-frame {
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: 8px;
  overflow: hidden;
  background: linear-gradient(160deg, var(--marsh-light), var(--marsh));
  border: 1px solid var(--marsh-line);
  display: flex;
  align-items: center;
  justify-content: center;
}
.portrait-frame svg { width: 60%; }

.about-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 50px;
  align-items: start;
}
@media (max-width: 800px) { .about-grid { grid-template-columns: 1fr; } }

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 30px;
}
@media (max-width: 700px) { .pillars { grid-template-columns: 1fr; } }
.pillar {
  text-align: center;
  padding: 30px 20px;
  border: 1px solid var(--marsh-line);
  border-radius: 8px;
}
.pillar .icon-chip { margin: 0 auto 16px; }