/* ==========================================================================
   ICHOM VISTA — design system for the next-generation site prototype
   Brand values are authoritative, from docs/brand-patterns.md (ICHOM brand
   world): blue field, green display headlines, orange eyebrow labels,
   light-green/gray organic shape motif (spool + circle).
   ========================================================================== */

@font-face {
  font-family: "Inter";
  src: url("../fonts/InterVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/InterVariable-Italic.woff2") format("woff2");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

:root {
  /* ICHOM brand palette (exact values — do not approximate) */
  --navy:        #003865;   /* ICHOM Blue, PMS 2955 C — primary field */
  --navy-deep:   #002845;   /* derived dark: footers, contrast panels */
  --navy-line:   #2A567B;   /* derived: hairlines on navy */
  --green:       #36BC45;   /* ICHOM Green, PMS 361 C — headlines, LIVE status */
  --green-deep:  #2AA139;
  --orange:      #FD5000;   /* ICHOM Orange, PMS 021 C — eyebrows, accents */
  --sage:        #C2E4BA;   /* ICHOM Light Green, PMS 2260 C */
  --stone:       #E2DCD5;   /* ICHOM Gray, PMS 4281 C */
  --white:       #FFFFFF;
  --mist:        #C8D6E2;   /* body text on navy */
  --mist-dim:    #8FA9BD;   /* muted labels on navy */

  /* Type: Articulat CF is the brand font (license pending); Inter is the
     self-hosted effective font until then. */
  --font-sans: "Articulat CF", "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Menlo", "Consolas", monospace;

  --maxw: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--navy);
  color: var(--mist);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }

a { color: inherit; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--green); outline-offset: 2px; border-radius: 4px;
}

/* --------------------------------------------------------------------------
   Header / nav
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(0, 56, 101, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--navy-line);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img.logo { height: 22px; width: auto; display: block; }
.brand .vista {
  color: var(--green); font-weight: 800; font-style: italic; font-size: 22px;
  letter-spacing: -0.5px; line-height: 1;
}
.site-nav { display: flex; gap: 28px; align-items: center; }
.site-nav a {
  color: var(--mist); text-decoration: none; font-size: 14px; font-weight: 600;
  letter-spacing: 0.02em;
}
.site-nav a:hover, .site-nav a.active { color: var(--white); }
.site-nav a.cta {
  color: var(--navy); background: var(--green); padding: 9px 18px; border-radius: 999px;
  font-weight: 700;
}
.site-nav a.cta:hover { background: var(--green-deep); color: var(--white); }

@media (max-width: 900px) {
  .site-header .wrap { height: auto; min-height: 60px; padding: 12px 20px; flex-wrap: wrap; gap: 10px 16px; }
  .site-nav { gap: 16px; flex-wrap: wrap; }
  .site-nav a.nav-sec { display: none; }   /* section links live on the page itself */
  .wrap { padding: 0 20px; }
}

/* --------------------------------------------------------------------------
   Shared typographic elements
   -------------------------------------------------------------------------- */
.eyebrow {
  color: var(--orange); font-weight: 800; font-size: 13px;
  letter-spacing: 0.16em; text-transform: uppercase;
}
h1.display {
  color: var(--green); font-weight: 800; letter-spacing: -1.5px;
  font-size: clamp(44px, 6.5vw, 76px); line-height: 1.02; margin: 12px 0 20px;
}
h1.display em { font-style: italic; }
.kicker {
  color: var(--white); font-weight: 700; font-size: 15px;
  letter-spacing: 0.08em; text-transform: uppercase;
}
h2.section-title {
  color: var(--green); font-weight: 800; letter-spacing: -1px;
  font-size: clamp(30px, 4vw, 44px); line-height: 1.08; margin: 10px 0 18px;
}
h3 { color: var(--white); font-weight: 700; }
.lede { font-size: 20px; color: var(--mist); max-width: 620px; }
.tagline { color: var(--orange); font-weight: 800; font-size: 22px; }

section { padding: 88px 0; }
section + section { border-top: 1px solid var(--navy-line); }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero { padding: 96px 0 100px; }
.hero .wrap { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 48px; align-items: center; }
.hero .shapes { justify-self: end; }
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero .shapes { justify-self: start; }
}

/* Organic shape cluster (circles + "spool" forms from the deck) */
.shape-cluster { display: grid; grid-template-columns: repeat(2, 128px); gap: 14px; }
.shape-cluster svg { display: block; width: 128px; height: 128px; }
.shape-strip { display: flex; gap: 12px; }
.shape-strip svg { width: 56px; height: 56px; }

/* --------------------------------------------------------------------------
   Status pills
   -------------------------------------------------------------------------- */
.status {
  display: inline-block; font-size: 12px; font-weight: 800;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 4px 12px; border-radius: 999px;
}
.status.live        { color: var(--navy); background: var(--green); }
.status.indev       { color: var(--white); background: var(--orange); }
.status.future      { color: var(--navy); background: var(--stone); }
.status.inprogress  { color: var(--navy); background: var(--sage); }

/* --------------------------------------------------------------------------
   Component cards (home page suite grid)
   -------------------------------------------------------------------------- */
.cat-block { margin-top: 48px; }
.cat-block > .eyebrow { display: block; margin-bottom: 16px; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 980px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .card-grid { grid-template-columns: 1fr; } }

.comp-card {
  display: flex; flex-direction: column; gap: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--navy-line);
  border-radius: 14px; padding: 26px 24px 22px;
  text-decoration: none; transition: transform .15s ease, border-color .15s ease;
}
.comp-card:hover { transform: translateY(-3px); border-color: var(--green); }
.comp-card .mark svg { width: 44px; height: 44px; display: block; }
.comp-card h3 { font-size: 21px; letter-spacing: -0.3px; }
.comp-card h3 em { color: var(--green); font-style: normal; }
.comp-card p { font-size: 15px; color: var(--mist); flex: 1; }
.comp-card .meta { display: flex; align-items: center; justify-content: space-between; }
.comp-card .meta .go { color: var(--green); font-weight: 700; font-size: 14px; }

/* --------------------------------------------------------------------------
   Two-audience panel
   -------------------------------------------------------------------------- */
.aud-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 36px; }
@media (max-width: 800px) { .aud-grid { grid-template-columns: 1fr; } }
.aud-card {
  border-radius: 16px; padding: 34px 30px;
}
.aud-card.business { background: var(--sage); color: var(--navy-deep); }
.aud-card.technical { background: var(--navy-deep); border: 1px solid var(--navy-line); }
.aud-card .eyebrow { margin-bottom: 8px; display: block; }
.aud-card h3 { font-size: 26px; letter-spacing: -0.5px; margin-bottom: 10px; }
.aud-card.business h3 { color: var(--navy-deep); }
.aud-card p { font-size: 16px; }
.aud-card.business p { color: #23503A; }
.aud-card ul { margin: 14px 0 0 18px; font-size: 15px; }
.aud-card.business ul { color: #23503A; }

/* --------------------------------------------------------------------------
   Stack diagram (how the components compose)
   -------------------------------------------------------------------------- */
.stack { display: flex; flex-direction: column; gap: 10px; margin-top: 40px; max-width: 720px; }
.stack-row { display: flex; gap: 10px; }
.stack a {
  flex: 1; text-decoration: none; text-align: center;
  border: 1px solid var(--navy-line); border-radius: 10px;
  padding: 14px 10px; background: rgba(255,255,255,0.04);
  transition: border-color .15s ease;
}
.stack a:hover { border-color: var(--green); }
.stack a .n { display: block; color: var(--white); font-weight: 700; font-size: 15px; }
.stack a .r { display: block; color: var(--mist-dim); font-size: 12px; margin-top: 2px; }
.stack .arrow { text-align: center; color: var(--mist-dim); font-size: 14px; line-height: 1; }
.stack-note { color: var(--mist-dim); font-size: 14px; margin-top: 14px; max-width: 620px; }

/* --------------------------------------------------------------------------
   Component detail pages
   -------------------------------------------------------------------------- */
.comp-hero { padding: 80px 0 56px; }
.comp-hero .wrap { display: grid; grid-template-columns: 1fr 200px; gap: 40px; align-items: start; }
@media (max-width: 800px) { .comp-hero .wrap { grid-template-columns: 1fr; } }
.comp-hero .lede { font-size: 22px; color: var(--white); font-weight: 500; max-width: 560px; }

.meta-bar {
  display: flex; gap: 48px; flex-wrap: wrap;
  border-top: 1px solid var(--navy-line);
  margin-top: 40px; padding-top: 22px;
}
.meta-bar .item .lbl {
  display: block; color: var(--mist-dim); font-size: 11px; font-weight: 800;
  letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 6px;
}
.meta-bar .item .val { color: var(--white); font-weight: 600; font-size: 15px; }

.body-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 860px) { .body-grid { grid-template-columns: 1fr; } }

.panel {
  border: 1px solid var(--navy-line); border-radius: 14px;
  background: rgba(255,255,255,0.03); padding: 28px 26px;
}
.panel h3 { font-size: 18px; margin-bottom: 12px; }
.panel p { font-size: 15.5px; }
.panel ul { margin: 6px 0 0 18px; font-size: 15.5px; }
.panel li { margin-bottom: 10px; }
.panel li strong { color: var(--white); }

/* connections strip */
.connects { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 14px; }
.connects a {
  text-decoration: none; font-size: 13.5px; font-weight: 700;
  color: var(--white); border: 1px solid var(--navy-line); border-radius: 999px;
  padding: 7px 16px;
}
.connects a:hover { border-color: var(--green); color: var(--green); }
.connects .dir { color: var(--mist-dim); font-size: 13px; align-self: center; }

/* --------------------------------------------------------------------------
   Technical layer band (on component pages)
   -------------------------------------------------------------------------- */
.tech-band { background: var(--navy-deep); border-top: 1px solid var(--navy-line); }
.tech-band .grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 44px; margin-top: 32px; align-items: start; }
@media (max-width: 860px) { .tech-band .grid { grid-template-columns: 1fr; } }
.tech-links { display: flex; flex-direction: column; gap: 12px; }
.tech-links a {
  display: flex; justify-content: space-between; align-items: center;
  text-decoration: none; border: 1px solid var(--navy-line); border-radius: 12px;
  padding: 16px 20px; color: var(--white); font-weight: 600; font-size: 15px;
  background: rgba(255,255,255,0.03);
}
.tech-links a:hover { border-color: var(--green); }
.tech-links a .tag { color: var(--mist-dim); font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.tech-links a.disabled { opacity: 0.45; pointer-events: none; }

pre.code {
  background: #001E38; border: 1px solid var(--navy-line); border-radius: 12px;
  padding: 20px 22px; overflow-x: auto;
  font-family: var(--font-mono); font-size: 13px; line-height: 1.55;
  color: #BFD7E8;
}
pre.code .k { color: var(--sage); }        /* keys */
pre.code .s { color: #F5C99B; }            /* strings */
pre.code .g { color: var(--green); }       /* endpoint verb */
.code-caption { color: var(--mist-dim); font-size: 13px; margin: 10px 2px 0; font-family: var(--font-mono); }

/* --------------------------------------------------------------------------
   Prev / next pager on component pages
   -------------------------------------------------------------------------- */
.pager { display: flex; justify-content: space-between; gap: 16px; }
.pager a {
  text-decoration: none; color: var(--white); font-weight: 700; font-size: 15px;
  border: 1px solid var(--navy-line); border-radius: 12px; padding: 14px 20px;
  flex: 1; max-width: 340px;
}
.pager a:hover { border-color: var(--green); }
.pager a span { display: block; color: var(--mist-dim); font-size: 11px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 4px; }
.pager a.next { text-align: right; margin-left: auto; }

/* --------------------------------------------------------------------------
   Buttons & forms (access interstitial, contact form)
   -------------------------------------------------------------------------- */
.access-actions { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.btn-primary, .btn-secondary {
  display: inline-block; text-decoration: none; font-weight: 700; font-size: 16px;
  border-radius: 999px; padding: 13px 30px;
}
.btn-primary { color: var(--navy); background: var(--green); border: 1px solid var(--green); }
.btn-primary:hover { background: var(--green-deep); border-color: var(--green-deep); color: var(--white); }
.btn-secondary { color: var(--white); background: transparent; border: 1px solid var(--navy-line); }
.btn-secondary:hover { border-color: var(--green); color: var(--green); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label {
  color: var(--mist-dim); font-size: 11px; font-weight: 800;
  letter-spacing: 0.12em; text-transform: uppercase;
}
.form-field input[type="text"], .form-field input[type="email"], .form-field textarea {
  font-family: var(--font-sans); font-size: 15.5px; color: var(--white);
  background: rgba(255,255,255,0.05); border: 1px solid var(--navy-line);
  border-radius: 10px; padding: 12px 14px; outline: none;
}
.form-field input:focus, .form-field textarea:focus { border-color: var(--green); }
.form-field textarea { min-height: 140px; resize: vertical; }
.form-field .err { color: #FF9B77; font-size: 13px; }
.interest-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.interest-grid label {
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  color: var(--mist); font-size: 13.5px; font-weight: 600; text-transform: none;
  letter-spacing: 0; border: 1px solid var(--navy-line); border-radius: 999px;
  padding: 7px 14px;
}
.interest-grid label:has(input:checked) { border-color: var(--green); color: var(--white); }
.interest-grid input { accent-color: var(--green); }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.flash-note {
  border: 1px solid var(--orange); border-radius: 10px; padding: 12px 16px;
  color: var(--white); font-size: 14.5px; margin-bottom: 18px;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--navy-deep); border-top: 1px solid var(--navy-line);
  padding: 44px 0 52px; margin-top: 0;
}
.site-footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
.site-footer .tag { color: var(--orange); font-weight: 800; font-size: 16px; }
.site-footer .fine { color: var(--mist-dim); font-size: 13px; }
.site-footer nav { display: flex; gap: 20px; }
.site-footer nav a { color: var(--mist); font-size: 13px; text-decoration: none; }
.site-footer nav a:hover { color: var(--white); }