/* ═══════════════════════════════════════════════
   PHYSIONEARBY — SHARED DESIGN SYSTEM
   /css/shared.css  — include on every page
   ═══════════════════════════════════════════════ */

/* ─── TOKENS ─────────────────────────────────── */
:root {
  --ink:      #0f0e0d;
  --ink2:     #3a3834;
  --ink3:     #7a7670;
  --paper:    #faf9f7;
  --paper2:   #f2f0ec;
  --paper3:   #e8e4de;
  --teal:     #0f6e56;
  --teal-lt:  #e1f5ee;
  --coral:    #c8451e;
  --coral-lt: #faece7;
  --blue:     #185fa5;
  --blue-lt:  #e6f1fb;
  --amber:    #b07000;
  --amber-lt: #faeeda;
  --rule:     rgba(15,14,13,.10);
  --serif: 'DM Serif Display', Georgia, serif;
  --sans:  'DM Sans', system-ui, sans-serif;
  --radius-sm: 6px; --radius-md: 10px;
  --radius-lg: 16px; --radius-xl: 24px;
  --max: 1120px;
  --gap: clamp(16px, 3vw, 28px);
}

/* ─── RESET ──────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);font-size:16px;line-height:1.7;
  color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}

/* ─── LAYOUT ─────────────────────────────────── */
.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(20px,5vw,60px)}

/* ─── TYPE ───────────────────────────────────── */
h1,h2,h3,h4{line-height:1.2;font-weight:400}
h1{font-family:var(--serif);font-size:clamp(2.2rem,4.5vw,3.6rem)}
h2{font-family:var(--serif);font-size:clamp(1.7rem,3vw,2.4rem)}
h3{font-size:1.05rem;font-weight:500}
h4{font-size:.95rem;font-weight:500}

.eyebrow{display:inline-block;font-size:.72rem;font-weight:500;
  letter-spacing:.10em;text-transform:uppercase;padding:4px 12px;
  border-radius:20px;margin-bottom:14px}
.eyebrow.ink   {background:var(--paper3);color:var(--ink2)}
.eyebrow.teal  {background:var(--teal-lt);color:var(--teal)}
.eyebrow.coral {background:var(--coral-lt);color:var(--coral)}
.eyebrow.blue  {background:var(--blue-lt);color:var(--blue)}
.eyebrow.amber {background:var(--amber-lt);color:var(--amber)}

/* ─── BUTTONS ────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;
  font-family:var(--sans);font-size:.88rem;font-weight:500;
  border-radius:var(--radius-md);cursor:pointer;transition:all .18s ease;
  border:1.5px solid transparent;text-decoration:none}
.btn-teal   {background:var(--teal);color:#fff}
.btn-teal:hover{opacity:.88}
.btn-dark   {background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-dark:hover{background:var(--ink2)}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--paper)}
.btn-coral  {background:var(--coral);color:#fff}
.btn-coral:hover{opacity:.88}
.arrow{transition:transform .18s}
.btn:hover .arrow{transform:translateX(4px)}

/* ─── NAV ────────────────────────────────────── */
#site-nav{position:sticky;top:0;z-index:100;
  background:rgba(250,249,247,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--rule)}
#site-nav .nav-inner{display:flex;align-items:center;
  justify-content:space-between;height:64px}
.nav-brand{display:flex;align-items:center;gap:8px}
.nav-brand-name{font-weight:500;font-size:.95rem}
.nav-brand-at{font-size:.75rem;color:var(--ink3)}
.nav-brand-co{font-size:.85rem;color:var(--ink3)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-size:.88rem;color:var(--ink2);position:relative;transition:color .15s}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;
  width:0;height:1px;background:var(--ink);transition:width .2s}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:var(--ink)}
@media(max-width:720px){.nav-links{display:none}}

/* ─── FOOTER ─────────────────────────────────── */
footer{background:var(--ink);color:var(--paper2);
  padding:clamp(40px,7vw,72px) 0 32px}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;
  gap:var(--gap);margin-bottom:40px}
@media(max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}
.footer-brand h3{font-size:1rem;font-weight:500;color:var(--paper);margin-bottom:6px}
.footer-brand p{font-size:.85rem;color:rgba(250,249,247,.45);line-height:1.65;max-width:280px}
footer h4{font-size:.78rem;font-weight:500;letter-spacing:.07em;
  text-transform:uppercase;color:rgba(250,249,247,.4);margin-bottom:14px}
footer ul li{margin-bottom:8px}
footer ul li a{font-size:.88rem;color:rgba(250,249,247,.6);transition:color .15s}
footer ul li a:hover{color:var(--paper)}
.footer-bottom{border-top:1px solid rgba(250,249,247,.1);padding-top:24px;
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:12px}
.footer-bottom p{font-size:.8rem;color:rgba(250,249,247,.35)}

/* ─── PAGE HERO (shared across inner pages) ──── */
.page-hero{padding:clamp(56px,9vw,96px) 0 clamp(40px,6vw,64px);
  border-bottom:1px solid var(--rule);position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;top:-80px;right:-60px;
  width:420px;height:420px;
  background:radial-gradient(circle,var(--teal-lt) 0%,transparent 70%);
  opacity:.4;pointer-events:none}
.page-hero h1{margin-bottom:14px}
.page-hero .lead{font-size:1.05rem;color:var(--ink2);
  max-width:560px;margin-bottom:32px;line-height:1.75}

/* ─── CARDS (shared) ─────────────────────────── */
.card{background:var(--paper);border:1px solid var(--rule);
  border-radius:var(--radius-lg);overflow:hidden;
  transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);
  box-shadow:0 8px 28px rgba(15,14,13,.08)}
.card-body{padding:22px}

/* ─── ANIMATIONS ─────────────────────────────── */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(16px)}
  to  {opacity:1;transform:translateY(0)}}
.fade-up{animation:fadeUp .5s ease both}
.d1{animation-delay:.08s}.d2{animation-delay:.18s}
.d3{animation-delay:.28s}.d4{animation-delay:.38s}