/*
  Cortado Group brand system — mirrors C:\Work\visuals\cortado_visuals_v2\cortado_visuals\brand.py
  Colors and font stack are the single source of truth there; every page on this site
  consumes them from here rather than redefining them per-page.
*/
:root {
  color-scheme: light dark;

  --navy:        #051C2C;
  --deep-navy:   #0D2C41;
  --blue-grey:   #495459;
  --slate:       #8E99A1;
  --white:       #FFFFFF;
  --off-white:   #F3F3F3;
  --sage:        #E1E6D7;

  --lime:        #97D700;
  --lime-bright: #CAFF4E;
  --lime-light:  #EDFFC4;
  --lime-dark:   #71A100;

  --teal:        #0B5C53;
  --teal-tint:   #CAFFF4;

  --line-grey:   #E1E6D7;
  --mid-grey:    #D0D5DD;

  --bg:      var(--white);
  --bg-2:    var(--off-white);
  --ink:     var(--navy);
  --ink-2:   var(--blue-grey);
  --ink-3:   var(--slate);
  --line:    var(--line-grey);
  --line-soft: color-mix(in oklab, var(--line-grey) 60%, transparent);

  --font: 'Avenir Next LT Pro', 'Avenir Next', 'Avenir', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: "SFMono-Regular", "Cascadia Mono", "Consolas", "Liberation Mono", monospace;

  --container: min(1120px, 100% - 3rem);
}

:root[data-theme="dark"], :root.force-dark {
  --bg: var(--navy);
  --bg-2: var(--deep-navy);
  --ink: var(--off-white);
  --ink-2: var(--sage);
  --ink-3: color-mix(in oklab, var(--sage) 55%, var(--slate));
  --line: color-mix(in oklab, var(--deep-navy) 40%, var(--slate));
  --line-soft: color-mix(in oklab, var(--deep-navy) 65%, var(--slate));
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: var(--navy);
    --bg-2: var(--deep-navy);
    --ink: var(--off-white);
    --ink-2: var(--sage);
    --ink-3: color-mix(in oklab, var(--sage) 55%, var(--slate));
    --line: color-mix(in oklab, var(--deep-navy) 40%, var(--slate));
    --line-soft: color-mix(in oklab, var(--deep-navy) 65%, var(--slate));
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: clamp(15px, 0.9vw + 12px, 17px);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--lime); color: var(--navy); }

a { color: inherit; }

.wrap { width: var(--container); margin-inline: auto; }

/* ---------- Masthead ---------- */

header.masthead {
  border-bottom: 1px solid var(--line);
  padding-block: 1.1rem;
}
.masthead-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.wordmark {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
}
.wordmark span { color: var(--lime-dark); }
:root[data-theme="dark"] .wordmark span,
:root.force-dark .wordmark span { color: var(--lime); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .wordmark span { color: var(--lime); }
}
nav.masthead-links {
  display: flex;
  gap: clamp(0.85rem, 1.8vw, 1.85rem);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-2);
}
nav.masthead-links a { text-decoration: none; border-bottom: 2px solid transparent; padding-bottom: 0.15rem; transition: border-color 0.2s, color 0.2s; }
nav.masthead-links a:hover, nav.masthead-links a[aria-current="page"] { color: var(--ink); border-color: var(--lime); }
.masthead-links .cta-link { color: var(--ink); }

@media (max-width: 720px) {
  .masthead-row { flex-direction: column; align-items: flex-start; gap: 0.85rem; }
  nav.masthead-links {
    flex-wrap: wrap;
    gap: 0.45rem 0.95rem;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
  }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 3px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.16,1,0.3,1), background 0.2s, border-color 0.2s;
}
.btn-primary { background: var(--lime); color: var(--navy); }
.btn-primary:hover { transform: translateY(-2px); background: var(--lime-bright); }
.btn-ghost { border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }

.hero-actions { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }

.hero-aside {
  border-left: 1px solid var(--line);
  padding-left: clamp(1.25rem, 2.5vw, 2rem);
}
.hero-aside dl { margin: 0; }
.hero-aside dt {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 0.3rem;
}
.hero-aside dd {
  margin: 0 0 1.35rem;
  font-size: 0.93rem;
  color: var(--ink-2);
}
.hero-aside dd:last-child { margin-bottom: 0; }

@media (max-width: 860px) {
  .hero-aside { border-left: none; border-top: 1px solid var(--line); padding-left: 0; padding-top: 1.5rem; }
}

/* ---------- Section shell ---------- */

section { padding-block: clamp(3.5rem, 7vw, 6rem); border-bottom: 1px solid var(--line); }
section:last-of-type { border-bottom: none; }

.kicker {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 1.6rem;
}
.kicker::before {
  content: "";
  width: 0.55rem; height: 0.55rem;
  background: var(--lime);
  display: inline-block;
  border-radius: 1px;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0,0.9fr) minmax(0,1.6fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-bottom: clamp(2.25rem, 5vw, 3.5rem);
}
.section-num {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--lime-dark);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
:root[data-theme="dark"] .section-num,
:root.force-dark .section-num { color: var(--lime); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .section-num { color: var(--lime); }
}
h1.headline, h2.section-title {
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0.5rem 0 0;
  color: var(--ink);
}
h1.headline { font-size: clamp(2.3rem, 5vw, 4.2rem); line-height: 1.05; margin: 0 0 1.6rem; max-width: 17ch; }
h2.section-title { font-size: clamp(1.6rem, 2.4vw, 2.3rem); }
h1.headline em {
  font-style: normal;
  color: var(--teal);
  background: linear-gradient(transparent 62%, var(--lime-light) 62%);
}
:root[data-theme="dark"] h1.headline em,
:root.force-dark h1.headline em { color: var(--lime-bright); background: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) h1.headline em { color: var(--lime-bright); background: none; }
}
.section-lede {
  font-size: 1rem;
  color: var(--ink-2);
  max-width: 46ch;
  align-self: end;
}
@media (max-width: 760px) {
  .section-head { grid-template-columns: 1fr; }
}

/* ---------- Ledger list (planes / engine / roadmap phases) ---------- */

.planes { display: block; }
.plane-entry {
  display: grid;
  grid-template-columns: 3.25rem minmax(0,1fr) minmax(0,1.4fr);
  gap: clamp(1rem, 3vw, 2.5rem);
  padding-block: clamp(1.75rem, 3vw, 2.5rem);
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.plane-entry:last-child { border-bottom: 1px solid var(--line); }
.plane-index {
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--lime-dark);
  align-self: start;
  padding-top: 0.3rem;
}
:root[data-theme="dark"] .plane-index,
:root.force-dark .plane-index { color: var(--lime); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .plane-index { color: var(--lime); }
}
.plane-name {
  font-size: clamp(1.2rem, 1.8vw, 1.45rem);
  font-weight: 800;
  color: var(--ink);
  margin: 0;
}
.plane-desc { font-size: 0.94rem; color: var(--ink-2); margin: 0; }
@media (max-width: 760px) {
  .plane-entry { grid-template-columns: 1fr; gap: 0.5rem; }
  .plane-index { padding-top: 0; }
}

/* ---------- Status pill (roadmap phase state) ---------- */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  border: 1px solid var(--line);
  color: var(--ink-3);
}
.pill::before { content: ""; width: 0.4rem; height: 0.4rem; border-radius: 50%; background: currentColor; }
.pill-live { color: var(--teal); border-color: var(--teal); }
:root[data-theme="dark"] .pill-live, :root.force-dark .pill-live { color: var(--teal-tint); border-color: var(--teal-tint); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .pill-live { color: var(--teal-tint); border-color: var(--teal-tint); } }
.pill-next { color: var(--lime-dark); border-color: var(--lime-dark); }
:root[data-theme="dark"] .pill-next, :root.force-dark .pill-next { color: var(--lime); border-color: var(--lime); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .pill-next { color: var(--lime); border-color: var(--lime); } }
.pill-later { color: var(--ink-3); border-color: var(--line); }

/* ---------- Dark panel (non-goals / insight pattern) ---------- */

.panel-dark { background: var(--navy); border-bottom-color: transparent; }
.panel-dark .section-num { color: var(--lime); }
.panel-dark h2.section-title,
.panel-dark .section-lede { color: var(--off-white); }
.panel-dark .section-lede { color: var(--sage); }
.panel-dark .plane-entry { border-top-color: color-mix(in oklab, var(--deep-navy) 40%, var(--slate)); }
.panel-dark .plane-entry:last-child { border-bottom-color: color-mix(in oklab, var(--deep-navy) 40%, var(--slate)); }
.panel-dark .plane-name,
.panel-dark .roadmap-phase-name { color: var(--off-white); }
.panel-dark .plane-desc { color: var(--sage); }

/* ---------- CTA footer (dark panel) ---------- */

footer.finale {
  padding-block: clamp(4rem, 8vw, 6rem);
  background: var(--navy);
  color: var(--off-white);
}
.finale-inner {
  display: grid;
  grid-template-columns: minmax(0,1.3fr) minmax(0,1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
}
h2.finale-headline {
  font-weight: 800;
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  line-height: 1.14;
  margin: 0 0 1.5rem;
  color: var(--off-white);
}
.finale-copy { color: var(--sage); max-width: 42ch; margin: 0 0 2rem; }
footer.finale .hero-aside { border-left-color: color-mix(in oklab, var(--deep-navy) 40%, var(--slate)); }
footer.finale .hero-aside dt { color: var(--slate); }
footer.finale .hero-aside dd { color: var(--sage); }
footer.finale .btn-ghost { border-color: color-mix(in oklab, var(--deep-navy) 30%, var(--slate)); color: var(--off-white); }
footer.finale .btn-ghost:hover { border-color: var(--off-white); }
.colophon {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid color-mix(in oklab, var(--deep-navy) 40%, var(--slate));
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--slate);
}
@media (max-width: 760px) { .finale-inner { grid-template-columns: 1fr; } }

/* ---------- Reveal-on-scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.reveal.in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .btn { transition: none; }
}