/* ============================================================
   Stratum Care — demo-01 "Refined clinical trust"
   Palette: warm bone background, deep-teal accent
   Type: Fraunces (serif display) + Public Sans (humanist body)
   Signature: layered "strata" hairline bands + draw-under underline
   ============================================================ */

:root {
  /* Surfaces */
  --bone:        #FBF9F5;
  --bone-deep:   #F4F0E8;
  --paper:       #FFFFFF;
  --ink:         #14201E;   /* near-black warm ink */
  --ink-soft:    #3A4A47;
  --muted:       #6B7A77;
  --line:        #DCD6C9;   /* hairline rule on bone */

  /* Accent — deep trustworthy teal */
  --teal:        #0E4F4A;
  --teal-deep:   #0B3B38;
  --teal-bright: #14756C;
  --teal-tint:   #E7EEEB;   /* very pale teal wash */
  --teal-soft:   #CFE0DB;

  /* Warm secondary for subtle warmth (clay) */
  --clay:        #B98A5E;
  --clay-soft:   #EADDCB;

  --radius:      14px;
  --radius-lg:   22px;
  --shadow-sm:   0 1px 2px rgba(20,32,30,.05), 0 4px 14px rgba(20,32,30,.05);
  --shadow-md:   0 10px 30px rgba(11,59,56,.10), 0 2px 6px rgba(20,32,30,.06);
  --shadow-lift: 0 18px 48px rgba(11,59,56,.16);

  --maxw: 1180px;
  --ease: cubic-bezier(.21,.61,.35,1);

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

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-soft);
  background: var(--bone);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--teal); text-decoration: none; }
h1, h2, h3, h4 { color: var(--ink); font-family: var(--serif); font-weight: 500; line-height: 1.08; margin: 0 0 .4em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.5rem, 5.4vw, 4.4rem); font-weight: 400; }
h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); }
h3 { font-size: 1.32rem; }
p  { margin: 0 0 1.1rem; }
ul { margin: 0; padding: 0; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- Strata signature: thin layered bands ---------- */
.strata-rule {
  height: 6px;
  background: repeating-linear-gradient(
    to bottom,
    var(--teal-soft) 0, var(--teal-soft) 1px,
    transparent 1px, transparent 3px
  );
  opacity: .8;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--sans);
  font-size: .78rem; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 1rem;
}
.eyebrow::before {
  content: ""; width: 34px; height: 8px;
  background: repeating-linear-gradient(to bottom,
    var(--teal) 0, var(--teal) 1px, transparent 1px, transparent 3px);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--sans); font-weight: 600; font-size: .98rem;
  padding: .85rem 1.5rem; border-radius: 999px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
  white-space: nowrap;
}
.btn-primary { background: var(--teal); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--teal-deep); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-ghost { background: transparent; color: var(--teal); border-color: var(--teal-soft); }
.btn-ghost:hover { background: var(--teal-tint); border-color: var(--teal); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--teal-deep); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-lg { padding: 1rem 1.9rem; font-size: 1.05rem; }
.btn .arr { transition: transform .25s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251,249,245,.82);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 1.5rem; height: 76px; }
.brand { display: flex; align-items: center; gap: .65rem; font-family: var(--serif); font-size: 1.4rem; color: var(--ink); font-weight: 500; }
.brand:hover { color: var(--teal-deep); }
.brand svg { display: block; }
.nav-links { display: flex; align-items: center; gap: 1.7rem; margin-left: auto; list-style: none; }
.nav-links a { color: var(--ink-soft); font-weight: 500; font-size: .97rem; position: relative; padding: .2rem 0; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0;
  background: var(--teal); transition: width .3s var(--ease);
}
.nav-links a:hover { color: var(--teal-deep); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: .8rem; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: .3s; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(3rem, 7vw, 6rem) 0 clamp(3.5rem, 7vw, 6rem); overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(1100px 500px at 78% -8%, var(--teal-tint), transparent 60%),
    radial-gradient(800px 500px at -5% 110%, var(--clay-soft) 0%, transparent 55%);
  opacity: .9;
}
/* layered strata wash bands behind hero */
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 38%; z-index: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(14,79,74,.045) 0, rgba(14,79,74,.045) 2px,
    transparent 2px, transparent 22px
  );
  -webkit-mask-image: linear-gradient(to top, #000, transparent);
          mask-image: linear-gradient(to top, #000, transparent);
}
.hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero h1 { color: var(--ink); }
.hero h1 .accent { color: var(--teal-deep); font-style: italic; }
.hero-lede { font-size: 1.15rem; color: var(--ink-soft); max-width: 36ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.8rem; }
.hero-trust { display: flex; flex-wrap: wrap; align-items: center; gap: 1.4rem; margin-top: 2.2rem; padding-top: 1.6rem; border-top: 1px solid var(--line); }
.hero-trust .stat strong { display: block; font-family: var(--serif); font-size: 1.7rem; color: var(--teal-deep); line-height: 1; }
.hero-trust .stat span { font-size: .82rem; color: var(--muted); letter-spacing: .02em; }

.hero-media { position: relative; }
.hero-media .frame {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lift); border: 1px solid rgba(255,255,255,.6);
  aspect-ratio: 4/5;
}
.hero-media .frame img { width: 100%; height: 100%; object-fit: cover; }
.hero-media .frame::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(160deg, transparent 55%, rgba(11,59,56,.28));
}
.hero-badge {
  position: absolute; left: -22px; bottom: 28px; z-index: 2;
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); padding: .9rem 1.1rem;
  box-shadow: var(--shadow-md); display: flex; align-items: center; gap: .7rem;
  max-width: 230px;
}
.hero-badge .dot { width: 38px; height: 38px; flex: none; border-radius: 50%; background: var(--teal-tint); display: grid; place-items: center; color: var(--teal-deep); }
.hero-badge p { margin: 0; font-size: .82rem; line-height: 1.35; color: var(--ink-soft); }
.hero-badge strong { color: var(--ink); display: block; font-size: .9rem; }

/* ---------- Logos / proof strip ---------- */
.proofbar { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bone-deep); }
.proofbar .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 1.2rem 2.6rem; padding-top: 1.4rem; padding-bottom: 1.4rem; }
.proofbar span.lbl { font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.proofbar .tag { font-family: var(--serif); font-size: 1.05rem; color: var(--ink-soft); display: inline-flex; align-items: center; gap: .5rem; }
.proofbar .tag svg { color: var(--teal); }

/* ---------- Sections ---------- */
section { position: relative; }
.section { padding: clamp(3.5rem, 7vw, 6.5rem) 0; }
.section-head { max-width: 720px; margin: 0 auto clamp(2.2rem, 4vw, 3.4rem); text-align: center; }
.section-head p { color: var(--muted); font-size: 1.08rem; }
.section-head.left { text-align: left; margin-left: 0; }

/* draw-under animated underline for headings */
.draw-under { position: relative; display: inline; background-image: linear-gradient(var(--teal), var(--teal)); background-repeat: no-repeat; background-position: 0 100%; background-size: 0% 3px; transition: background-size 1s var(--ease); }
.in-view .draw-under { background-size: 100% 3px; }

/* ---------- Value props grid ---------- */
.values { background: linear-gradient(180deg, var(--bone) 0%, var(--bone-deep) 100%); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.vcard {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 1.9rem 1.7rem; box-shadow: var(--shadow-sm);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  position: relative; overflow: hidden;
}
.vcard::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: repeating-linear-gradient(to bottom, var(--teal) 0, var(--teal) 3px, transparent 3px, transparent 7px);
  opacity: 0; transition: opacity .35s var(--ease);
}
.vcard:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--teal-soft); }
.vcard:hover::before { opacity: 1; }
.vcard .ico { width: 52px; height: 52px; border-radius: 13px; background: var(--teal-tint); color: var(--teal-deep); display: grid; place-items: center; margin-bottom: 1.1rem; }
.vcard h3 { margin-bottom: .5rem; font-size: 1.2rem; }
.vcard p { margin: 0; font-size: .97rem; color: var(--ink-soft); }

/* ---------- Suites ---------- */
.suites { background: var(--bone); }
.suite {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.8rem,4vw,4rem);
  align-items: center; padding: clamp(2rem,4vw,3.2rem) 0;
  border-bottom: 1px solid var(--line);
}
.suite:last-of-type { border-bottom: 0; }
.suite.flip .suite-media { order: 2; }
.suite-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); aspect-ratio: 16/11; }
.suite-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.suite:hover .suite-media img { transform: scale(1.04); }
.suite-media .ribbon { position: absolute; top: 16px; left: 16px; background: rgba(11,59,56,.9); color: #fff; font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; padding: .4rem .8rem; border-radius: 999px; backdrop-filter: blur(4px); }
.suite-body h3 { font-family: var(--serif); font-size: clamp(1.5rem,2.6vw,2rem); }
.suite-body .num { font-family: var(--serif); font-style: italic; color: var(--clay); font-size: 1.1rem; }
.suite-tags { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.suite-tags li { font-size: .8rem; background: var(--teal-tint); color: var(--teal-deep); border-radius: 999px; padding: .3rem .8rem; font-weight: 600; }
.suite-link { display: inline-flex; align-items: center; gap: .4rem; margin-top: 1.2rem; font-weight: 600; }
.suite-link .arr { transition: transform .25s var(--ease); }
.suite-link:hover .arr { transform: translateX(4px); }

/* ---------- Testimonials ---------- */
.quotes { background: var(--teal-deep); color: #E9F1EF; position: relative; overflow: hidden; }
.quotes::before {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(to bottom, rgba(255,255,255,.04) 0, rgba(255,255,255,.04) 2px, transparent 2px, transparent 26px);
  -webkit-mask-image: radial-gradient(120% 80% at 50% 0%, #000, transparent); mask-image: radial-gradient(120% 80% at 50% 0%, #000, transparent);
}
.quotes .wrap { position: relative; z-index: 1; }
.quotes h2 { color: #fff; }
.quotes .section-head p { color: #B9D2CC; }
.qgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.qcard { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-lg); padding: 1.9rem 1.7rem; transition: transform .35s var(--ease), background .35s var(--ease); }
.qcard:hover { transform: translateY(-6px); background: rgba(255,255,255,.1); }
.qmark { font-family: var(--serif); font-size: 3rem; line-height: .4; color: var(--clay); display: block; height: 1.4rem; }
.qcard p { color: #E9F1EF; font-size: 1.02rem; }
.qauthor { display: flex; align-items: center; gap: .8rem; margin-top: 1.4rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,.16); }
.qavatar { width: 44px; height: 44px; flex: none; border-radius: 50%; background: var(--teal-bright); color: #fff; display: grid; place-items: center; font-family: var(--serif); font-size: 1.1rem; }
.qauthor strong { color: #fff; display: block; font-size: .95rem; }
.qauthor span { color: #A9C7C0; font-size: .82rem; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(180deg, var(--bone-deep), var(--bone)); }
.cta-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: clamp(2.4rem, 5vw, 4rem); text-align: center; box-shadow: var(--shadow-md);
  position: relative; overflow: hidden;
}
.cta-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 6px;
  background: repeating-linear-gradient(to right, var(--teal) 0, var(--teal) 14px, var(--teal-bright) 14px, var(--teal-bright) 28px, var(--clay) 28px, var(--clay) 42px); }
.cta-card h2 { max-width: 18ch; margin-inline: auto; }
.cta-card p { max-width: 60ch; margin-inline: auto; color: var(--ink-soft); }
.cta-actions { display: flex; gap: .9rem; justify-content: center; flex-wrap: wrap; margin-top: 1.6rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #C4CFCC; padding: clamp(3rem,5vw,4.5rem) 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; }
.site-footer .brand { color: #fff; margin-bottom: 1rem; }
.site-footer p { color: #98A8A4; font-size: .95rem; max-width: 34ch; }
.footer-col h4 { color: #fff; font-family: var(--sans); font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 700; margin-bottom: 1rem; }
.footer-col ul { list-style: none; display: grid; gap: .6rem; }
.footer-col a { color: #B7C4C1; font-size: .95rem; }
.footer-col a:hover { color: #fff; }
.footer-badge { display: inline-flex; align-items: center; gap: .55rem; margin-top: 1.2rem; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; padding: .4rem .9rem; font-size: .8rem; color: #DDE6E3; }
.footer-badge svg { color: var(--teal-bright); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; margin-top: 2.6rem; padding-top: 1.6rem; border-top: 1px solid rgba(255,255,255,.12); font-size: .85rem; color: #8A9A96; }
.footer-bottom a { color: #B7C4C1; }

/* ---------- Inner page hero ---------- */
.page-hero { padding: clamp(3rem,6vw,5rem) 0 clamp(2.5rem,5vw,4rem); position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(900px 420px at 85% -10%, var(--teal-tint), transparent 60%); }
.page-hero .wrap { position: relative; z-index: 1; }
.breadcrumb { font-size: .85rem; color: var(--muted); margin-bottom: 1.2rem; }
.breadcrumb a { color: var(--teal); }
.page-hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem,4vw,3.5rem); align-items: center; }
.page-hero h1 { font-size: clamp(2.2rem,4.6vw,3.6rem); }

/* split feature list */
.feature-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,4vw,3.5rem); align-items: start; }
.svc-list { list-style: none; display: grid; gap: .7rem; }
.svc-list li { display: flex; gap: .8rem; align-items: flex-start; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1.1rem; box-shadow: var(--shadow-sm); transition: border-color .3s var(--ease), transform .3s var(--ease); }
.svc-list li:hover { border-color: var(--teal-soft); transform: translateX(4px); }
.svc-list .chk { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--teal-tint); color: var(--teal-deep); display: grid; place-items: center; }
.svc-list strong { color: var(--ink); display: block; font-size: 1rem; }
.svc-list span { font-size: .9rem; color: var(--muted); }

.cap-list { list-style: none; display: grid; gap: 1rem; counter-reset: cap; }
.cap-list li { position: relative; padding-left: 3.4rem; }
.cap-list li::before { counter-increment: cap; content: counter(cap, decimal-leading-zero); position: absolute; left: 0; top: -.1rem; font-family: var(--serif); font-style: italic; font-size: 1.3rem; color: var(--clay); }
.cap-list strong { color: var(--ink); font-family: var(--serif); font-weight: 500; font-size: 1.1rem; display: block; margin-bottom: .15rem; }

/* ---------- Forms ---------- */
.form-shell { display: grid; grid-template-columns: .95fr 1.05fr; gap: clamp(2rem,4vw,4rem); align-items: start; }
.form-aside .strata-list { list-style: none; display: grid; gap: 1.1rem; margin-top: 1.6rem; }
.form-aside .strata-list li { display: flex; gap: .8rem; align-items: flex-start; }
.form-aside .strata-list .chk { flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--teal-tint); color: var(--teal-deep); display: grid; place-items: center; }
.form-aside .strata-list strong { color: var(--ink); display: block; }
.form-aside .strata-list span { font-size: .92rem; color: var(--muted); }

.form-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(1.8rem,3vw,2.6rem); box-shadow: var(--shadow-md); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-size: .85rem; font-weight: 600; color: var(--ink); margin-bottom: .35rem; }
.field label .req { color: var(--clay); }
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--sans); font-size: 1rem; color: var(--ink);
  background: var(--bone); border: 1px solid var(--line); border-radius: 10px;
  padding: .75rem .9rem; transition: border-color .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--teal); background: #fff; box-shadow: 0 0 0 4px var(--teal-tint);
}
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: .82rem; color: var(--muted); margin-top: .4rem; }
.form-success { display: none; background: var(--teal-tint); border: 1px solid var(--teal-soft); border-radius: var(--radius); padding: 1.1rem 1.3rem; color: var(--teal-deep); margin-bottom: 1.2rem; align-items: center; gap: .7rem; }
.form-success.show { display: flex; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in-view { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }
.reveal[data-delay="5"] { transition-delay: .40s; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .draw-under { background-size: 100% 3px; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-media { order: -1; max-width: 460px; }
  .page-hero-grid { grid-template-columns: 1fr; }
  .grid-3, .qgrid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .feature-split, .form-shell { grid-template-columns: 1fr; }
  .form-aside { order: 2; }
}
@media (max-width: 760px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: block; }
  .nav.open .nav-links { display: flex; position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; align-items: flex-start; gap: 0; background: var(--bone); border-bottom: 1px solid var(--line); padding: .5rem 28px 1rem; }
  .nav.open .nav-links li { width: 100%; padding: .5rem 0; border-bottom: 1px solid var(--line); }
  .grid-3, .qgrid, .footer-grid, .form-row { grid-template-columns: 1fr; }
  .suite, .suite.flip .suite-media { grid-template-columns: 1fr; }
  .suite.flip .suite-media { order: -1; }
  .hero-badge { left: 0; }
}