/* ==========================================================================
   Top Line Medical Group — brand token system
   Colors sampled from the logo suite:
   ink #231F20 · navy #171D4D · royal #1E5AAA · sky #4793CF
   ========================================================================== */
:root{
  --ink:#231f20;
  --navy:#171d4d;
  --royal:#1e5aaa;
  --sky:#4793cf;
  --paper:#fbfcfe;
  --mist:#eef3f9;
  --line:#dde5ef;
  --muted:#565a6b;
  --radius:20px;
  --max:1160px;
  --display:"Sora",ui-sans-serif,system-ui,sans-serif;
  --body:"Instrument Sans",ui-sans-serif,system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--body);
  font-size:1.0625rem;
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-family:var(--display);color:var(--navy)}
h1{font-size:clamp(2.6rem,5.6vw,4.4rem);line-height:1.02;letter-spacing:-.03em;font-weight:700;margin-bottom:24px}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem);line-height:1.08;letter-spacing:-.02em;font-weight:700;margin-bottom:18px}
h3{font-size:1.28rem;line-height:1.2;font-weight:600;margin-bottom:10px}

.eyebrow{
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:.22em;
  font-size:.72rem;
  font-weight:500;
  color:var(--royal);
  margin-bottom:16px;
}
.eyebrow-light{color:var(--sky)}

a{color:var(--royal)}
:focus-visible{outline:3px solid var(--sky);outline-offset:3px;border-radius:4px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:14px clamp(20px,4vw,48px);
  background:rgba(251,252,254,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.brand img{width:148px;height:auto}
.nav{display:flex;gap:28px;align-items:center}
.nav a{color:var(--navy);text-decoration:none;font-weight:600;font-size:.95rem}
.nav a:not(.nav-cta){
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:border-color .18s ease;
}
.nav a:not(.nav-cta):hover{border-color:var(--sky)}
.nav-cta{
  border:1.5px solid var(--navy);padding:9px 18px;border-radius:999px;
  transition:background .18s ease,color .18s ease;
}
.nav-cta:hover{background:var(--navy);color:#fff}

.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2.5px;background:var(--navy);margin:5px 0;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.75px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.75px) rotate(-45deg)}
.mobile-nav{display:none}

/* ---------- Hero + signature ridgeline ---------- */
.hero{padding:clamp(56px,8vw,110px) 0 0}
.hero-inner{max-width:var(--max);margin:0 auto;padding:0 clamp(20px,4vw,40px)}
.lead{font-size:clamp(1.1rem,1.8vw,1.3rem);color:var(--muted);max-width:680px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:32px 0 8px}

.button{
  display:inline-flex;align-items:center;justify-content:center;
  border:0;border-radius:999px;padding:15px 26px;
  background:var(--navy);color:#fff;text-decoration:none;
  font-family:var(--display);font-weight:600;font-size:1rem;cursor:pointer;
  transition:background .18s ease,transform .18s ease;
}
.button:hover{background:var(--royal);transform:translateY(-1px)}
.button-ghost{background:transparent;color:var(--navy);box-shadow:inset 0 0 0 1.5px var(--navy)}
.button-ghost:hover{background:var(--mist);color:var(--navy)}
.button-light{background:#fff;color:var(--navy)}
.button-light:hover{background:var(--sky);color:#fff}

.ridge{margin:clamp(36px,5vw,64px) 0 0;padding:0 clamp(20px,4vw,40px) 88px;position:relative;max-width:var(--max);margin-inline:auto}
.ridge-svg{width:100%;height:clamp(140px,20vw,240px);overflow:visible}
.ridge-line{
  stroke-dasharray:1400;
  stroke-dashoffset:1400;
  animation:draw 1.6s ease-out .3s forwards;
}
.ridge-dots circle{opacity:0;animation:pop .4s ease-out forwards}
.ridge-dots circle:nth-child(1){animation-delay:.45s}
.ridge-dots circle:nth-child(2){animation-delay:.65s}
.ridge-dots circle:nth-child(3){animation-delay:.9s}
.ridge-dots circle:nth-child(4){animation-delay:1.35s}
.ridge-dots circle:nth-child(5){animation-delay:1.6s}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes pop{to{opacity:1}}

.ridge-cities{position:absolute;left:clamp(20px,4vw,40px);right:clamp(20px,4vw,40px);bottom:16px;margin:0;height:56px}
.ridge-cities span{
  position:absolute;left:var(--x);top:0;
  display:grid;gap:2px;line-height:1.2;
  transform:translateX(-6px);
}
.ridge-cities strong{font-family:var(--display);font-weight:600;font-size:.85rem;color:var(--navy)}
.ridge-cities em{font-family:var(--mono);font-style:normal;font-size:.7rem;color:var(--muted);letter-spacing:.04em}
.ridge-cities .is-peak strong{color:var(--royal)}

/* ---------- Ethos band ---------- */
.band{background:var(--navy);color:#fff;padding:clamp(44px,6vw,64px) clamp(20px,4vw,48px)}
.band-grid{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,56px)}
.band-label{
  font-family:var(--mono);text-transform:uppercase;letter-spacing:.22em;
  font-size:.7rem;color:var(--sky);display:block;margin-bottom:10px;
}
.band-item p{margin:0;font-family:var(--display);font-weight:500;font-size:1.15rem;line-height:1.4;color:#eef3f9}

/* ---------- Sections ---------- */
.section{max-width:var(--max);margin:0 auto;padding:clamp(72px,9vw,120px) clamp(20px,4vw,40px)}
.section-heading{max-width:760px;margin-bottom:44px}
.section-lead{font-size:1.15rem;color:var(--muted)}

/* ---------- Portfolio ---------- */
.legend{display:flex;gap:24px;margin-top:20px;font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:8px}
.dot{width:12px;height:12px;border-radius:50%;display:inline-block;flex:none}
.dot-navy{background:var(--navy)}
.dot-sky{background:var(--sky)}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px 26px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:0 18px 44px rgba(23,29,77,.09);border-color:#c9d6e8}
.card .dot{position:absolute;top:30px;right:26px}
.card-status{
  font-family:var(--mono);text-transform:uppercase;letter-spacing:.18em;
  font-size:.66rem;color:var(--muted);display:block;margin-bottom:14px;
}
.card p{color:var(--muted);font-size:.98rem;margin:0}
.portfolio-cta{margin:36px 0 0;font-size:1.05rem;color:var(--muted)}
.portfolio-cta a{font-weight:600}

/* ---------- Manufacturers (dark) ---------- */
.dark-section{background:linear-gradient(160deg,var(--navy) 0%,#101438 100%);color:#fff}
.dark-inner{
  max-width:var(--max);margin:0 auto;
  padding:clamp(72px,9vw,120px) clamp(20px,4vw,40px);
  display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(36px,5vw,72px);align-items:center;
}
.dark-section h2{color:#fff}
.dark-copy > p{color:#c7d3e6;font-size:1.12rem;max-width:560px}
.check-list{list-style:none;margin:28px 0 34px;padding:0;display:grid;gap:14px}
.check-list li{
  position:relative;padding-left:28px;color:#e6edf7;font-size:1.02rem;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.5em;
  width:11px;height:11px;border-radius:50%;background:var(--sky);
}
.dark-badge{display:grid;place-items:center}
.dark-badge img{
  width:min(380px,100%);
  background:#fff;border-radius:24px;padding:36px 32px;
  box-shadow:0 30px 80px rgba(0,0,0,.35);
}

/* ---------- Support ---------- */
.split-section{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(36px,5vw,72px);border-top:1px solid var(--line)}
.support-list{display:grid;gap:0}
.support-item{padding:26px 0;border-bottom:1px solid var(--line)}
.support-item:first-child{padding-top:6px}
.support-item p{color:var(--muted);margin:0}

/* ---------- Team ---------- */
.team-section{background:var(--mist);max-width:none}
.team-section .section-heading,.team-grid{max-width:var(--max);margin-inline:auto}
.team-section .section-heading{margin-bottom:44px}
.team-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.team-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px;
}
.avatar{
  width:76px;height:76px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--navy);color:#fff;
  font-family:var(--display);font-weight:600;font-size:1.3rem;
  margin-bottom:20px;
}
.avatar-alt{background:var(--royal)}
.role{color:var(--muted);margin-bottom:16px}
.mono-link{
  display:block;font-family:var(--mono);font-size:.9rem;
  color:var(--navy);text-decoration:none;margin-bottom:6px;
  overflow-wrap:anywhere;
}
.mono-link:hover{color:var(--royal);text-decoration:underline}

/* ---------- Contact ---------- */
.contact-section{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(36px,5vw,64px)}
.contact-copy p{color:var(--muted);font-size:1.1rem}
.contact-list{display:grid;gap:4px;margin-top:26px}

.contact-form{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(26px,4vw,38px);display:grid;gap:18px;
  box-shadow:0 18px 50px rgba(23,29,77,.07);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
label{font-weight:600;font-size:.95rem;display:grid;gap:8px;color:var(--navy)}
input,textarea,select{
  width:100%;border:1.5px solid var(--line);border-radius:12px;
  padding:13px 15px;font:inherit;font-weight:400;background:var(--paper);color:var(--ink);
  transition:border-color .15s ease;
}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--royal)}
textarea{resize:vertical}
.hidden{display:none}

/* ---------- Footer ---------- */
.footer{
  background:var(--navy);color:#fff;
  padding:36px clamp(20px,4vw,48px);
  display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
}
.footer-brand{display:flex;align-items:center;gap:16px}
.footer-brand img{width:44px;height:44px}
.footer-brand strong{display:block;font-family:var(--display)}
.footer-brand span{font-size:.85rem;color:#aebcd6}
.footer-legal{font-family:var(--mono);font-size:.75rem;color:#8a99ba}

/* ---------- Simple pages (404 / thank-you) ---------- */
.simple-page{min-height:100vh;display:grid;place-content:center;gap:18px;max-width:720px;margin:0 auto;padding:40px;text-align:center;justify-items:center}
.simple-page img{width:180px;margin-bottom:12px}
.simple-page h1{font-size:clamp(2.4rem,6vw,4rem)}
.simple-page p{color:var(--muted);font-size:1.1rem}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .ridge-line{animation:none;stroke-dashoffset:0}
  .ridge-dots circle{animation:none;opacity:1}
  .reveal{opacity:1;transform:none;transition:none}
  .button:hover,.card:hover{transform:none}
}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .dark-inner{grid-template-columns:1fr}
  .dark-badge{order:-1}
  .dark-badge img{width:min(300px,80%)}
}
@media (max-width:820px){
  .nav{display:none}
  .nav-toggle{display:block}
  .mobile-nav{
    display:grid;gap:0;
    position:sticky;top:73px;z-index:19;
    background:var(--paper);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .25s ease;
  }
  .mobile-nav.is-open{max-height:320px}
  .mobile-nav a{
    padding:16px clamp(20px,4vw,48px);color:var(--navy);
    text-decoration:none;font-weight:600;border-top:1px solid var(--line);
  }
  .split-section,.contact-section,.team-grid,.band-grid{grid-template-columns:1fr}
  .band-grid{gap:24px}
  /* Keep the anchor cities (SF, Sacramento, Reno) — hide San Jose and Lake Tahoe,
     whose labels collide with their neighbors at narrow widths. Tahoe's peak dot
     stays visible on the line. */
  .ridge-cities span:nth-child(2),
  .ridge-cities span:nth-child(4){display:none}
}
@media (max-width:560px){
  .brand img{width:120px}
  .cards{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .hero-actions{display:grid}
  .button{width:100%}
  .footer{display:grid;justify-content:start}
  .ridge{padding-bottom:96px}
  .ridge-cities strong{font-size:.75rem}
}