/* ============================================================================
   PlexusCare
   Monochrome by design. Colour in this system means exactly one thing —
   clinical urgency — so the brand itself carries none. Archivo throughout,
   differentiated by weight and tracking rather than by family.
   ========================================================================= */

:root {
  /* paper and ink */
  --paper:    #FBFAF8;
  --surface:  #FFFFFF;
  --sunk:     #F4F2EE;
  --ink:      #14161A;
  --ink-2:    #4C5158;
  --ink-3:    #82858B;
  --ink-4:    #A9ABAF;
  --rule:     #E4E1DA;
  --rule-2:   #EFEDE8;

  /* Structural accent. Petrol reads clinical without reading corporate-navy.
     It marks structure and navigation — eyebrows, links and key dividers. */
  --accent:    #0F3D56;
  --accent-2:  #E7EEF2;

  /* clinical signal — reserved for urgency, never decorative */
  --immediate: #B03A2E;
  --urgent:    #9A6B1F;
  --routine:   #2E6F4E;

  --f: 'Archivo', -apple-system, 'Segoe UI', system-ui, sans-serif;

  --gut: clamp(22px, 6vw, 72px);
  --maxw: 1120px;
  --ease: cubic-bezier(.2,.6,.35,1);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper:   #101215;
    --surface: #16191D;
    --sunk:    #1B1E23;
    --ink:     #F2F1EE;
    --ink-2:   #ADB1B7;
    --ink-3:   #82868C;
    --ink-4:   #5E6167;
    --rule:    #262A2F;
    --rule-2:  #1E2126;
    --accent:    #63A9C6;
    --accent-2:  #16242C;
    --immediate: #E0685A;
    --urgent:    #D6A24A;
    --routine:   #5FBF8E;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper:   #101215;
  --surface: #16191D;
  --sunk:    #1B1E23;
  --ink:     #F2F1EE;
  --ink-2:   #ADB1B7;
  --ink-3:   #82868C;
  --ink-4:   #5E6167;
  --rule:    #262A2F;
  --rule-2:  #1E2126;
  --accent:    #63A9C6;
  --accent-2:  #16242C;
  --immediate: #E0685A;
  --urgent:    #D6A24A;
  --routine:   #5FBF8E;
  color-scheme: dark;
}

/* ---------------------------------------------------------------- base --- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 96px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.62;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-weight: 500; line-height: 1.1; letter-spacing: -0.03em; text-wrap: balance; }
h1 { font-size: clamp(2.15rem, 5.6vw, 3.9rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.02rem; font-weight: 600; letter-spacing: -0.012em; }
p  { margin: 0; }
a  { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; }

::selection { background: var(--ink); color: var(--paper); }
:focus-visible { outline: 1.5px solid var(--ink); outline-offset: 4px; }

/* -------------------------------------------------------------- layout --- */
.wrap    { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }
.section { padding-block: clamp(46px, 6vw, 88px); }
.rule    { border: 0; border-top: 1px solid var(--rule); margin: 0; }
.section--contrast { background: var(--sunk); border-block: 1px solid var(--rule); }

/* --------------------------------------------------------------- hero --- */
.hero { padding-block: clamp(78px, 12vw, 156px) clamp(68px, 10vw, 126px); }
.hero__inner { display: grid; justify-items: start; }
.hero h1 { max-width: 12ch; font-size: clamp(3rem, 7.4vw, 6.1rem); line-height: .98; letter-spacing: -.055em; }
.hero__lede { max-width: 55ch; margin-top: clamp(28px, 4vw, 44px); }
.hero__links { margin-top: clamp(32px, 4.5vw, 50px); }

.demo-entry { background: var(--surface); }
.demo-entry__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(28px, 6vw, 96px);
  align-items: start;
}
.demo-entry h2 { max-width: 15ch; }
.demo-entry__action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 28px;
}
.demo-entry__action span {
  color: var(--ink-3);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}
@media (max-width: 860px) {
  .demo-entry__inner { grid-template-columns: 1fr; gap: 28px; }
}

.section-copy { color: var(--ink-2); font-size: .95rem; max-width: 54ch; margin-top: 22px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: clamp(34px, 5vw, 58px); }
@media (max-width: 620px) { .section-heading { align-items: start; flex-direction: column; } }

.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.feature { min-height: 220px; padding: clamp(24px, 3.4vw, 40px); border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.feature__index, .pillar__index { display: block; font-size: .64rem; letter-spacing: .18em; color: var(--accent); margin-bottom: clamp(34px, 5vw, 62px); }
.feature h3 { font-size: 1.08rem; margin-bottom: 10px; }
.feature p { color: var(--ink-2); font-size: .92rem; max-width: 38ch; }
@media (max-width: 680px) { .feature-grid { grid-template-columns: 1fr; } .feature { min-height: 0; } }

.pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.pillar { min-height: 360px; padding: clamp(26px, 3.6vw, 44px); background: var(--surface); display: flex; flex-direction: column; align-items: flex-start; }
.pillar h2 { font-size: clamp(1.35rem, 2.4vw, 1.85rem); max-width: 12ch; }
.pillar p { color: var(--ink-2); font-size: .93rem; margin-top: auto; padding-top: 44px; }
@media (max-width: 820px) { .pillar-grid { grid-template-columns: 1fr; } .pillar { min-height: 260px; } }

/* An eyebrow is a locator, not decoration: it says which part of the site
   you are standing in. */
.eyebrow {
  display: block;
  font-size: .66rem; font-weight: 500; letter-spacing: .22em;
  text-transform: uppercase; color: var(--accent);
  margin-bottom: clamp(14px, 1.8vw, 20px);
}

.lede    { font-size: clamp(1.02rem, 1.5vw, 1.16rem); color: var(--ink-2); max-width: 54ch; line-height: 1.58; }
.measure { max-width: 58ch; }
.small   { font-size: .875rem; color: var(--ink-2); }
.mute    { color: var(--ink-3); }

/* ---------------------------------------------------------------- nav ---- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s var(--ease);
}
.nav.scrolled { border-bottom-color: var(--rule); }
.nav__in { display: flex; align-items: center; gap: 28px; height: 74px; }
.brand { display: inline-flex; align-items: center; flex: none; color: var(--ink); }
.brand svg, .brand img { height: 26px; width: auto; display: block; }
.brand .mark-only { display: none; height: 26px; }
@media (max-width: 560px) {
  .brand .full { display: none; }
  .brand .mark-only { display: block; }
}
.nav__links { display: flex; gap: 26px; margin-left: auto; align-items: center; }
.nav__links a {
  font-size: .885rem; color: var(--ink-2); padding-block: 6px;
  border-bottom: 1px solid transparent; transition: color .16s var(--ease), border-color .16s var(--ease);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--ink); }
.nav__end { display: flex; align-items: center; gap: 16px; flex: none; }
.tgl {
  width: 30px; height: 30px; display: grid; place-items: center; cursor: pointer;
  border: 0; background: none; color: var(--ink-3); padding: 0;
}
.tgl:hover { color: var(--ink); }
.tgl .i-sun { display: none; }
:root[data-theme="light"] .tgl .i-sun { display: block; }
:root[data-theme="light"] .tgl .i-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .tgl .i-sun { display: block; }
  :root:not([data-theme="light"]) .tgl .i-moon { display: none; }
}
/* Below 780px the links wrap to a second row rather than hiding behind a
   menu button: four links do not justify a drawer, and a hidden nav on a
   four-page site is worse than a taller header. */
@media (max-width: 780px) {
  .nav__in { flex-wrap: wrap; height: auto; padding-block: 14px; row-gap: 12px; gap: 16px; }
  .nav__links { order: 3; width: 100%; margin-left: 0; gap: 22px; font-size: .85rem; }
  .nav__links a { font-size: .85rem; }
  .nav__end { margin-left: auto; }
}

/* --------------------------------------------------------------- link ---- */
.link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .93rem; font-weight: 500; color: var(--ink);
  border-bottom: 1px solid var(--ink); padding-bottom: 2px;
  transition: gap .2s var(--ease), opacity .2s var(--ease);
}
.link:hover { gap: 13px; opacity: .62; }
.link--quiet { border-bottom-color: var(--rule); font-weight: 400; color: var(--ink-2); }
.link--quiet:hover { color: var(--ink); border-bottom-color: var(--ink); }
.links-row { display: flex; flex-wrap: wrap; gap: 28px; align-items: center; }

/* --------------------------------------------------------------- table --- */
/* The module list is a table because it is one: five rows, four facts each. */
.tbl-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; min-width: 620px; }
.tbl th {
  text-align: left; font-size: .64rem; font-weight: 500; letter-spacing: .18em;
  text-transform: uppercase; color: var(--ink-3); padding: 0 20px 14px 0;
  border-bottom: 1px solid var(--rule);
}
.tbl td { padding: 22px 20px 22px 0; border-bottom: 1px solid var(--rule-2); vertical-align: baseline; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl td:first-child { font-weight: 500; color: var(--ink); width: 1%; white-space: nowrap; }
.tbl td:nth-child(2) { color: var(--ink-3); font-size: .875rem; width: 1%; white-space: nowrap; }
.tbl td:nth-child(3) { color: var(--ink-2); font-size: .93rem; }
.tbl td:last-child { text-align: right; width: 1%; white-space: nowrap; }
.tbl a:hover { text-decoration: underline; text-underline-offset: 3px; }
/* On a phone the secondary 'field' column is the first thing worth losing —
   it is context, not content. */
@media (max-width: 620px) {
  .tbl { min-width: 420px; }
  .tbl th:nth-child(2), .tbl td:nth-child(2) { display: none; }
}

/* ---------------------------------------------------------- statement ---- */
.statement { font-size: clamp(1.35rem, 3.1vw, 2rem); font-weight: 500; letter-spacing: -.028em; line-height: 1.24; max-width: 20ch; }
.statement--wide { max-width: 28ch; margin-bottom: clamp(42px, 6vw, 72px); }
.cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 4vw, 56px); }
@media (max-width: 760px) { .cols { grid-template-columns: 1fr; gap: 30px; } }
.cols h3 { margin-bottom: 8px; }
.cols p  { font-size: .92rem; color: var(--ink-2); }
.cols--ruled { gap: 0; }
.cols--ruled > div { padding: 0 clamp(20px, 3.2vw, 42px); border-left: 1px solid var(--rule); }
.cols--ruled > div:first-child { padding-left: 0; border-left: 0; }
@media (max-width: 760px) {
  .cols--ruled { gap: 0; }
  .cols--ruled > div, .cols--ruled > div:first-child { padding: 24px 0; border-left: 0; border-top: 1px solid var(--rule); }
}

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(28px, 6vw, 96px); align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 32px; } }

/* ---------------------------------------------------------------- list --- */
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 13px; }
.ticks li { position: relative; padding-left: 22px; color: var(--ink-2); font-size: .93rem; }
.ticks li::before { content: ''; position: absolute; left: 0; top: .68em; width: 9px; height: 1px; background: var(--ink-4); }
.capability-list { margin-top: 28px; }

.defs { display: grid; gap: 0; margin: 0; }
.defs > div { display: grid; grid-template-columns: 168px 1fr; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--rule-2); }
.defs > div:last-child { border-bottom: 0; }
@media (max-width: 620px) { .defs > div { grid-template-columns: 1fr; gap: 6px; } }
.defs dt { font-weight: 500; font-size: .93rem; }
.defs dd { margin: 0; color: var(--ink-2); font-size: .93rem; }
.defs--strong > div { grid-template-columns: minmax(150px, .7fr) 1.3fr; padding-block: 22px; }

/* -------------------------------------------------------------- footer --- */
.foot { border-top: 1px solid var(--rule); padding-block: clamp(40px, 5vw, 60px) 32px; }
.foot__top { display: flex; flex-wrap: wrap; gap: 28px 64px; justify-content: space-between; margin-bottom: 34px; }
.foot__nav { display: flex; flex-wrap: wrap; gap: 12px 44px; }
.foot__nav div { display: grid; gap: 9px; align-content: start; }
.foot__nav span { font-size: .64rem; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-3); }
.foot__nav a { font-size: .885rem; color: var(--ink-2); }
.foot__nav a:hover { color: var(--ink); }
.foot__link { border: 0; padding: 0; background: none; color: var(--ink-2); font: inherit; font-size: .885rem; text-align: left; cursor: pointer; }
.foot__link:hover { color: var(--ink); }
.foot__bot { display: flex; flex-wrap: wrap; gap: 10px 32px; justify-content: space-between; font-size: .78rem; color: var(--ink-3); }
.notice { font-size: .8rem; color: var(--ink-3); max-width: 76ch; line-height: 1.6; padding-bottom: 30px; }

/* ---------------------------------------------------- analytics consent -- */
.analytics-consent {
  position: fixed; z-index: 80; left: var(--gut); right: var(--gut); bottom: clamp(18px, 3vw, 34px);
  max-width: 980px; margin-inline: auto; padding: clamp(20px, 2.8vw, 30px);
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px;
  align-items: center; background: var(--surface); border: 1px solid var(--rule);
  box-shadow: 0 18px 60px rgba(0,0,0,.16);
}
.analytics-consent[hidden] { display: none; }
.analytics-consent strong { display: block; font-size: .95rem; margin-bottom: 5px; }
.analytics-consent p { color: var(--ink-2); font-size: .82rem; line-height: 1.55; max-width: 70ch; }
.analytics-consent a, .text-link { color: var(--ink); border-bottom: 1px solid var(--rule); font-size: .82rem; }
.analytics-consent__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.link-button { appearance: none; background: none; cursor: pointer; font-family: var(--f); }
@media (max-width: 760px) {
  .analytics-consent { grid-template-columns: 1fr; gap: 20px; }
  .analytics-consent__actions { align-items: flex-start; flex-direction: column; }
}

/* ----------------------------------------------------------- whatsapp ---- */
/* Deliberately not a floating bubble. A green blob over a clinical page is
   the single busiest element a site like this can carry. */
.wa { display: inline-flex; align-items: center; gap: 9px; font-size: .93rem; font-weight: 500;
      color: var(--ink); border-bottom: 1px solid var(--ink); padding-bottom: 2px; }
.wa:hover { opacity: .62; }

/* --------------------------------------------------------------- forms --- */
.form { display: grid; gap: 20px; max-width: 460px; }
.field { display: grid; gap: 7px; }
.field label { font-size: .68rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.field input, .field select, .field textarea {
  width: 100%; padding: 10px 0; border: 0; border-bottom: 1px solid var(--rule);
  background: none; color: var(--ink); font-family: var(--f); font-size: .95rem;
  border-radius: 0; transition: border-color .18s var(--ease);
}
.field textarea { resize: vertical; min-height: 84px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-color: var(--ink); }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-4); }
.btn {
  justify-self: start; padding: 12px 26px; border: 1px solid var(--ink); background: var(--ink);
  color: var(--paper); font-family: var(--f); font-size: .9rem; font-weight: 500; cursor: pointer;
  transition: opacity .18s var(--ease);
}
.btn:hover { opacity: .82; }

/* ---------------------------------------------------------------- misc --- */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ---------------------------------------------------------------- brand -- */
/* The mark is inlined rather than linked so it inherits `currentColor` and
   flips with the theme; an <img>-loaded SVG cannot. The wordmark is live text
   at the logotype's own tracking, so it stays selectable and legible before
   the webfont arrives. */
.brand { gap: 11px; }
.brand__mark { height: 22px; width: 22px; flex: none; display: block; color: currentColor; }
.brand__wm {
  font-size: .98rem; font-weight: 500; letter-spacing: .04em;
  white-space: nowrap; padding-right: .04em;
}
@media (max-width: 560px) { .brand__wm { display: none; } }
.foot .brand__wm { display: inline; }

/* ------------------------------------------------------------ page head -- */
.phead { padding-block: clamp(48px, 6.5vw, 84px) clamp(28px, 3.6vw, 44px); }
.phead h1 { max-width: 15ch; }
.phead .lede { margin-top: clamp(22px, 3vw, 30px); }

/* A module entry: a heading block on the left, its facts on the right. */
.entry { padding-block: clamp(38px, 5vw, 66px); }
.entry__hd { display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; margin-bottom: 18px; }
.entry__hd h2 { font-size: clamp(1.35rem, 2.6vw, 1.85rem); }

/* Figures are set as data: large number, quiet label. */
.figs { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 3vw, 44px); }
@media (max-width: 760px) { .figs { grid-template-columns: repeat(2, 1fr); } }
.fig b { display: block; font-size: clamp(1.55rem, 3vw, 2.15rem); font-weight: 500; letter-spacing: -.035em; line-height: 1; }
.fig b span { font-size: .5em; color: var(--ink-3); margin-left: 2px; }
.fig i { display: block; font-style: normal; font-size: .82rem; color: var(--ink-3); margin-top: 10px; line-height: 1.45; }

/* A limitation is set apart, because saying it plainly is the point. */
.caveat { border-left: 1px solid var(--ink-4); padding-left: 20px; color: var(--ink-2); font-size: .93rem; max-width: 62ch; }

/* A table set inside a column, not across the page. */
.tbl--tight { min-width: 380px; }
.tbl--tight td:nth-child(2) { color: var(--ink-2); font-size: .93rem; white-space: normal; width: auto; }
.tbl td em { display: block; font-style: normal; font-size: .8rem; font-weight: 400; color: var(--ink-3); margin-top: 3px; }

/* ------------------------------------------------------------- accent ---- */
/* Used on structure only. If something here ever needs to say "urgent",
   it takes a signal colour instead — never this one. */
.fig b { color: var(--accent); }
.link:hover { color: var(--accent); border-bottom-color: var(--accent); opacity: 1; }
.link--quiet:hover { color: var(--accent); border-bottom-color: var(--accent); }
.tbl td:first-child a:hover { color: var(--accent); }
.caveat { border-left-color: var(--accent); }

/* --------------------------------------------------------- graphics ----- */
/* A full-bleed band. The rhythm strip is the signal the product reads, drawn
   at hairline weight so it sets the room rather than competing with the type. */
.band {
  border-block: 1px solid var(--rule);
  background: var(--surface);
  overflow: hidden;
}
.band svg { display: block; width: 100%; height: auto; color: var(--ink); }
.band__note {
  border-top: 1px solid var(--rule-2);
  padding: 11px 0 0;
  font-size: .72rem; color: var(--ink-3); letter-spacing: .02em;
  display: flex; flex-wrap: wrap; gap: 6px 22px;
}
.band__note b { color: var(--accent); font-weight: 500; }

.figure { margin: 0; }
.figure svg { display: block; width: 100%; height: auto; color: var(--ink); }
.figure figcaption {
  margin-top: 16px; font-size: .8rem; color: var(--ink-3); max-width: 64ch;
}
.figure--framed { border: 1px solid var(--rule); background: var(--surface); padding: clamp(18px,2.6vw,30px); }
@media (max-width: 620px) { .figure--framed { overflow-x: auto; } .figure--framed svg { min-width: 560px; } }

/* A row of measured numbers. Investors and clinicians both read these first. */
.figrow { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(18px, 2.6vw, 40px); }
@media (max-width: 760px) { .figrow { grid-template-columns: repeat(2, 1fr); gap: 26px; } }