/* ============================================================
   Spinal Cord Injury Network — design system
   Palette: warm sand ground, deep teal ink, sage + amber accents
   Type: Fraunces (display) / Public Sans (body)
   ============================================================ */

:root {
  --sand:        #f6f1e7;
  --sand-soft:   #efe7d6;
  --paper:       #fffdf8;
  --ink:         #11302e;   /* deep teal-ink, body text */
  --ink-soft:    #3a544f;
  --teal:        #0f3d3e;
  --teal-deep:   #0a2b2b;
  --sage:        #6fa89f;
  --sage-soft:   #cfe0db;
  --amber:       #d99320;
  --amber-soft:  #f3d9a3;
  --rust:        #b1502f;
  --line:        #d9cfb9;

  --maxw: 1160px;
  --gap: clamp(1.5rem, 4vw, 3.5rem);
  --radius: 14px;
  --shadow: 0 1px 0 rgba(17,48,46,.04), 0 18px 40px -28px rgba(10,43,43,.45);

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Public Sans", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(1rem, .96rem + .25vw, 1.12rem);
  line-height: 1.65;
  color: var(--ink);
  background: var(--sand);
  background-image:
    radial-gradient(60% 50% at 85% -5%, rgba(111,168,159,.18), transparent 60%),
    radial-gradient(45% 40% at 0% 100%, rgba(217,147,32,.10), transparent 70%);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 560; line-height: 1.08; color: var(--teal); letter-spacing: -.01em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.4rem, 1.6rem + 3.6vw, 4.2rem); font-weight: 540; }
h2 { font-size: clamp(1.7rem, 1.3rem + 1.8vw, 2.6rem); }
h3 { font-size: clamp(1.25rem, 1.1rem + .7vw, 1.55rem); color: var(--ink); }
p { margin: 0 0 1.05em; }
a { color: var(--teal); text-decoration-color: var(--sage); text-underline-offset: .18em; }
a:hover { color: var(--rust); }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2.2rem); }

/* ---- skip link ---- */
.skip {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--teal); color: var(--paper); padding: .7rem 1.1rem; border-radius: 0 0 10px 0;
  font-weight: 600;
}
.skip:focus { left: 0; }

:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; border-radius: 4px; }

/* =================== HEADER / NAV =================== */
.site-head {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--sand) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.head-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 74px; }
.brand { display: inline-flex; align-items: center; gap: .65rem; text-decoration: none; color: var(--teal); font-family: var(--serif); font-weight: 600; font-size: 1.16rem; letter-spacing: -.01em; }
.brand svg { width: 38px; height: 38px; flex: none; }
.brand b { font-weight: 600; }
.brand span { display: block; font-family: var(--sans); font-size: .66rem; letter-spacing: .16em; text-transform: uppercase; color: var(--sage); font-weight: 700; }

.nav-toggle {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--teal); color: var(--paper); border: 0; border-radius: 999px;
  padding: .55rem 1rem; font: inherit; font-weight: 600; font-size: .9rem; cursor: pointer;
}
.nav-toggle svg { width: 18px; height: 18px; }

.nav { display: none; }
.nav ul { list-style: none; margin: 0; padding: 0; }
.nav a {
  display: block; text-decoration: none; color: var(--ink); font-weight: 600;
  padding: .75rem .2rem; border-bottom: 1px solid var(--line);
}
.nav a[aria-current="page"] { color: var(--rust); }
.nav .cta { margin-top: .6rem; }
.nav .cta a {
  background: var(--amber); color: var(--teal-deep); border: 0; border-radius: 999px;
  text-align: center; padding: .8rem 1rem; border-bottom: 0; font-weight: 700;
}
.nav[data-open="true"] { display: block; padding-bottom: 1.1rem; }

@media (min-width: 860px) {
  .nav-toggle { display: none; }
  .nav { display: block; }
  .nav ul { display: flex; align-items: center; gap: .35rem; }
  .nav a { border: 0; padding: .5rem .8rem; border-radius: 999px; font-size: .96rem; position: relative; }
  .nav a:not(.cta a):hover { background: var(--sand-soft); color: var(--teal); }
  .nav a[aria-current="page"] { color: var(--teal); }
  .nav a[aria-current="page"]::after {
    content: ""; position: absolute; left: .8rem; right: .8rem; bottom: .25rem; height: 2px;
    background: var(--amber); border-radius: 2px;
  }
  .nav .cta { margin: 0 0 0 .4rem; }
  .nav .cta a { padding: .55rem 1.1rem; }
  .nav .cta a:hover { background: var(--amber-soft); }
}

/* =================== HERO =================== */
.hero { position: relative; padding: clamp(3rem, 7vw, 6rem) 0 clamp(2.5rem, 5vw, 4rem); overflow: hidden; }
.hero-grid { display: grid; gap: clamp(2rem, 5vw, 3.5rem); align-items: center; }
@media (min-width: 940px) { .hero-grid { grid-template-columns: 1.15fr .85fr; } }

.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--sans); font-size: .76rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--rust); margin-bottom: 1.1rem;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--rust); display: inline-block; }

.hero h1 .accent { color: var(--rust); font-style: italic; }
.lede { font-size: clamp(1.1rem, 1rem + .6vw, 1.4rem); color: var(--ink-soft); max-width: 36ch; }

.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.8rem; }
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 1.5rem; border-radius: 999px; text-decoration: none; font-weight: 700; font-size: 1rem;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--teal); color: var(--paper); }
.btn-primary:hover { background: var(--teal-deep); color: var(--paper); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-ghost { background: transparent; color: var(--teal); border: 1.5px solid var(--sage); }
.btn-ghost:hover { background: var(--sage-soft); color: var(--teal); transform: translateY(-2px); }
.btn-amber { background: var(--amber); color: var(--teal-deep); }
.btn-amber:hover { background: var(--amber-soft); color: var(--teal-deep); transform: translateY(-2px); box-shadow: var(--shadow); }

/* hero figure — abstract spine illustration in a card */
.hero-art {
  position: relative; background: var(--teal); border-radius: 22px; padding: 2rem;
  box-shadow: var(--shadow); overflow: hidden; min-height: 320px;
  display: grid; place-items: center;
}
.hero-art::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(40% 50% at 80% 10%, rgba(217,147,32,.30), transparent 60%),
    radial-gradient(50% 40% at 10% 95%, rgba(111,168,159,.35), transparent 60%);
}
.hero-art svg { position: relative; width: min(100%, 280px); height: auto; }
.hero-art .stat {
  position: absolute; bottom: 1.2rem; left: 1.4rem; right: 1.4rem;
  background: rgba(255,253,248,.95); border-radius: 12px; padding: .85rem 1.1rem;
  display: flex; gap: .9rem; align-items: baseline;
}
.hero-art .stat b { font-family: var(--serif); font-size: 1.6rem; color: var(--teal); }
.hero-art .stat span { font-size: .82rem; color: var(--ink-soft); line-height: 1.3; }

/* =================== SECTIONS =================== */
section { padding-block: clamp(2.6rem, 6vw, 5rem); }
.section-head { max-width: 56ch; margin-bottom: 2.4rem; }
.section-head .eyebrow { margin-bottom: .8rem; }

.pillars { display: grid; gap: 1.4rem; grid-template-columns: 1fr; }
@media (min-width: 720px) { .pillars { grid-template-columns: repeat(3, 1fr); } }
.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.7rem 1.6rem; box-shadow: var(--shadow);
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--sage); }
.card .ic {
  width: 50px; height: 50px; border-radius: 12px; display: grid; place-items: center;
  background: var(--sage-soft); margin-bottom: 1.1rem;
}
.card .ic svg { width: 26px; height: 26px; color: var(--teal); }
.card h3 { margin-bottom: .35rem; }
.card p { margin: 0; color: var(--ink-soft); font-size: .98rem; }

/* alternating tinted band */
.band { background: var(--sand-soft); border-block: 1px solid var(--line); }
.band-teal { background: var(--teal); color: var(--sand); }
.band-teal h2, .band-teal h3 { color: var(--paper); }
.band-teal .eyebrow { color: var(--amber-soft); }
.band-teal .eyebrow::before { background: var(--amber-soft); }
.band-teal a { color: var(--amber-soft); }

/* two-column prose split */
.split { display: grid; gap: clamp(1.6rem, 4vw, 3rem); align-items: start; }
@media (min-width: 860px) { .split { grid-template-columns: 1fr 1fr; } .split.lead { grid-template-columns: .9fr 1.1fr; } }

.figure-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem; box-shadow: var(--shadow);
}
.figure-card svg { width: 100%; height: auto; display: block; }

/* stat strip */
.stats { display: grid; gap: 1.2rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 720px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat-cell { padding: .4rem 0; }
.stat-cell b { display: block; font-family: var(--serif); font-size: clamp(2rem, 1.4rem + 2vw, 3rem); color: inherit; line-height: 1; }
.stat-cell span { font-size: .9rem; opacity: .85; }

/* checklist */
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: .9rem; }
.ticks li { display: grid; grid-template-columns: 26px 1fr; gap: .8rem; align-items: start; }
.ticks svg { width: 24px; height: 24px; color: var(--sage); margin-top: .15rem; flex: none; }
.ticks b { color: var(--teal); }

/* steps */
.steps { display: grid; gap: 1.2rem; counter-reset: step; grid-template-columns: 1fr; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; position: relative; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--serif); font-size: 1.3rem; color: var(--amber); font-weight: 600;
}
.step h3 { margin: .4rem 0 .3rem; }
.step p { margin: 0; color: var(--ink-soft); font-size: .96rem; }

/* glossary / faq */
.faq { display: grid; gap: .8rem; max-width: 760px; }
details.qa {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: .3rem 1.3rem;
}
details.qa summary {
  cursor: pointer; list-style: none; padding: 1rem 0; font-family: var(--serif); font-size: 1.12rem; color: var(--teal);
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
details.qa summary::-webkit-details-marker { display: none; }
details.qa summary::after { content: "+"; font-family: var(--sans); font-size: 1.5rem; color: var(--amber); transition: transform .2s; }
details.qa[open] summary::after { transform: rotate(45deg); }
details.qa p { padding-bottom: 1.1rem; margin: 0; color: var(--ink-soft); }

/* directory list */
.dir { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 720px) { .dir { grid-template-columns: repeat(2, 1fr); } }
.dir-item { background: var(--paper); border: 1px solid var(--line); border-left: 4px solid var(--sage); border-radius: 10px; padding: 1.1rem 1.3rem; }
.dir-item h3 { font-family: var(--sans); font-size: 1.02rem; margin-bottom: .15rem; color: var(--teal); }
.dir-item p { margin: 0; font-size: .92rem; color: var(--ink-soft); }

/* people grid */
.people { display: grid; gap: 1.3rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .people { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 920px) { .people { grid-template-columns: repeat(3, 1fr); } }
.person { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; text-align: center; }
.avatar { width: 76px; height: 76px; border-radius: 50%; margin: 0 auto 1rem; display: grid; place-items: center; background: var(--sage-soft); font-family: var(--serif); font-size: 1.5rem; color: var(--teal); font-weight: 600; }
.person h3 { font-size: 1.1rem; margin-bottom: .15rem; }
.person .role { font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; color: var(--rust); font-weight: 700; margin-bottom: .6rem; }
.person p { font-size: .92rem; color: var(--ink-soft); margin: 0; }

/* CTA block */
.cta-block { text-align: center; border-radius: 22px; padding: clamp(2.4rem, 6vw, 4rem); }
.cta-block h2 { margin-bottom: .4rem; }
.cta-block p { max-width: 50ch; margin-inline: auto; color: inherit; opacity: .92; }

/* contact form */
.form { display: grid; gap: 1.1rem; max-width: 620px; }
.field { display: grid; gap: .4rem; }
.field label { font-weight: 600; font-size: .92rem; color: var(--teal); }
.field input, .field textarea, .field select {
  font: inherit; padding: .8rem .9rem; border: 1.5px solid var(--line); border-radius: 10px;
  background: var(--paper); color: var(--ink);
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--sage); outline: none; box-shadow: 0 0 0 3px var(--sage-soft); }
.form .btn { justify-self: start; cursor: pointer; border: 0; }

.contact-grid { display: grid; gap: clamp(1.6rem, 4vw, 3rem); }
@media (min-width: 860px) { .contact-grid { grid-template-columns: 1.1fr .9fr; } }
.info-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.7rem; }
.info-card h3 { font-family: var(--sans); font-size: 1rem; letter-spacing: .04em; text-transform: uppercase; color: var(--rust); }
.info-card p { color: var(--ink-soft); }

/* page intro header for subpages */
.page-intro { padding: clamp(2.6rem, 6vw, 4.2rem) 0 clamp(1.4rem, 3vw, 2.4rem); }
.crumbs { font-size: .82rem; color: var(--ink-soft); margin-bottom: 1rem; }
.crumbs a { text-decoration: none; }
.crumbs span { color: var(--sage); margin-inline: .4rem; }

/* prose helpers */
.measure { max-width: 62ch; }
.note { background: var(--sage-soft); border-radius: 12px; padding: 1.2rem 1.4rem; border-left: 4px solid var(--sage); }
.note p:last-child { margin: 0; }
.tag { display: inline-block; background: var(--amber-soft); color: var(--teal-deep); font-size: .76rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; padding: .25rem .6rem; border-radius: 999px; }

/* =================== FOOTER =================== */
.site-foot { background: var(--teal-deep); color: var(--sand-soft); padding-block: clamp(2.6rem, 5vw, 3.6rem) 1.6rem; margin-top: clamp(2rem, 5vw, 4rem); }
.foot-grid { display: grid; gap: 2rem; grid-template-columns: 1fr; }
@media (min-width: 760px) { .foot-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.site-foot .brand { color: var(--paper); }
.site-foot .brand span { color: var(--sage); }
.site-foot p { color: rgba(246,241,231,.72); font-size: .95rem; max-width: 38ch; }
.foot-col h4 { font-family: var(--sans); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--amber-soft); margin-bottom: .9rem; }
.foot-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.foot-col a { color: var(--sand-soft); text-decoration: none; font-size: .96rem; }
.foot-col a:hover { color: var(--amber-soft); }
.foot-bar { border-top: 1px solid rgba(246,241,231,.14); margin-top: 2.4rem; padding-top: 1.3rem; display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; justify-content: space-between; font-size: .85rem; color: rgba(246,241,231,.6); }

/* reveal-on-load */
.rise { opacity: 0; transform: translateY(14px); animation: rise .7s cubic-bezier(.2,.7,.2,1) forwards; }
.rise.d1 { animation-delay: .08s; } .rise.d2 { animation-delay: .16s; } .rise.d3 { animation-delay: .24s; } .rise.d4 { animation-delay: .32s; }
@keyframes rise { to { opacity: 1; transform: none; } }