/* =====================================================================
   ProPharma DVT — dvt.propharmausa.com
   Shared design system. Medical-trust aesthetic: calm blues + teal,
   generous whitespace, crisp type, tasteful motion. No bloat.
   ===================================================================== */

:root{
  /* palette */
  --ink:#13212e; --navy:#0e2f4c; --blue:#1b6fb0; --blue2:#2f8fd6;
  --teal:#0f9d9d; --mint:#e9f6f4; --sky:#eaf3fb; --cloud:#f5f9fc;
  --line:#e3eaf1; --white:#ffffff; --muted:#5a6b7b; --amber:#b06617;
  --good:#1f9d57; --goodbg:#e8f6ee; --warn:#9c5c14; --warnbg:#fbf1e3;
  --red:#a5342b; --redbg:#fbeeec;
  /* type + shape */
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --r-sm:8px; --r:14px; --r-lg:22px;
  --maxw:1120px; --readw:760px;
  --shadow:0 1px 2px rgba(16,47,76,.05),0 8px 28px rgba(16,47,76,.06);
  --shadow-lg:0 10px 40px rgba(16,47,76,.12);
  --t:cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--cloud);
  font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.18;color:var(--navy);margin:0 0 .4em;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.5vw,3.15rem);font-weight:800}
h2{font-size:clamp(1.5rem,3vw,2.15rem);font-weight:800}
h3{font-size:1.15rem;font-weight:700}
p{margin:0 0 1rem}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.read{max-width:var(--readw)}
.center{text-align:center}
.eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#0c7676;margin:0 0 .6em}
.lead{font-size:1.2rem;color:#33475b}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;font-weight:600;font-size:1rem;
  padding:13px 24px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s var(--t),box-shadow .18s var(--t),background .18s var(--t);
  text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 18px rgba(27,111,176,.32)}
.btn-primary:hover{background:#155e97}
.btn-accent{background:var(--amber);color:#fff;box-shadow:0 6px 18px rgba(176,102,23,.3)}
.btn-accent:hover{background:#935413}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-lg{padding:16px 30px;font-size:1.06rem}

/* ---------- header / nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--navy);letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.brand .logo{width:34px;height:34px}
.brand small{display:block;font-weight:500;font-size:11px;color:var(--muted);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:#33475b;font-weight:500;font-size:.96rem}
.nav-links a:hover{color:var(--blue);text-decoration:none}
.nav-cta{padding:9px 18px !important;font-size:.95rem !important}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}

/* ---------- sections ---------- */
section{padding:86px 0}
.section-tight{padding:60px 0}
.bg-white{background:var(--white)}
.bg-sky{background:linear-gradient(180deg,#fff,var(--sky))}
.bg-navy{background:linear-gradient(135deg,var(--navy),#123a5e);color:#eaf2f9}
.bg-navy h1,.bg-navy h2,.bg-navy h3{color:#fff}
.bg-navy .lead{color:#c4d7e8}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:78px 0 70px;
  background:radial-gradient(1200px 500px at 78% -8%,#e4f2fb 0%,transparent 60%),linear-gradient(180deg,#fbfdfe,#f0f7fc)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero h1 span{color:var(--blue)}
.hero .lead{margin-bottom:1.6em;max-width:33em}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-badges{display:flex;gap:22px;flex-wrap:wrap;margin-top:26px;color:var(--muted);font-size:.9rem}
.hero-badges b{color:var(--navy)}
.hero-art{filter:drop-shadow(0 24px 40px rgba(16,47,76,.14))}

/* ---------- feature grid / cards ---------- */
.grid{display:grid;gap:24px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;
  box-shadow:var(--shadow);transition:transform .22s var(--t),box-shadow .22s var(--t)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card .ico{width:52px;height:52px;border-radius:14px;background:var(--mint);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card .ico svg{width:28px;height:28px}
.card h3{margin-bottom:.35em}
.card p{color:#41556a;margin:0}

/* steps */
.steps{counter-reset:s;display:grid;gap:22px}
.step{display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:start}
.step .num{counter-increment:s;width:52px;height:52px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.3rem}
.step .num::before{content:counter(s)}
.step h3{margin:.3em 0 .2em}
.step p{margin:0;color:#41556a}

/* split feature */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split.rev .split-media{order:2}
.media-frame{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow)}
ul.ticks{list-style:none;margin:1.1em 0 0;padding:0}
ul.ticks li{position:relative;padding:6px 0 6px 34px;color:#33475b}
ul.ticks li::before{content:"";position:absolute;left:0;top:9px;width:22px;height:22px;border-radius:50%;
  background:var(--goodbg);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%231f9d57' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center}

/* FAQ accordion */
.faq{max-width:820px;margin:0 auto}
.qa{border:1px solid var(--line);border-radius:var(--r);background:#fff;margin-bottom:12px;overflow:hidden}
.qa summary{list-style:none;width:100%;text-align:left;background:none;border:0;cursor:pointer;
  padding:20px 22px;font-size:1.06rem;font-weight:600;color:var(--navy);
  display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:var(--font)}
.qa summary::-webkit-details-marker{display:none}
.qa summary::marker{content:""}
.qa summary:focus-visible{outline:2px solid var(--blue);outline-offset:-3px}
.qa .plus{flex:none;width:24px;height:24px;position:relative;transition:transform .25s var(--t)}
.qa .plus::before,.qa .plus::after{content:"";position:absolute;background:var(--blue);border-radius:2px}
.qa .plus::before{top:11px;left:3px;right:3px;height:2px}
.qa .plus::after{left:11px;top:3px;bottom:3px;width:2px;transition:transform .25s var(--t)}
.qa[open] .plus::after{transform:scaleY(0)}
.qa .ans{padding:0 22px 20px;color:#41556a}
.qa[open] .plus{transform:rotate(90deg)}

/* ---------- form ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px;box-shadow:var(--shadow-lg)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:.92rem;color:var(--navy);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:10px;
  font-size:1rem;font-family:var(--font);color:var(--ink);background:#fcfdfe;transition:border .15s}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(27,111,176,.1)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-note{font-size:.85rem;color:var(--muted);margin-top:8px}
.form-ok{display:none;text-align:center;padding:24px}
.form-ok .check{width:64px;height:64px;margin:0 auto 14px;border-radius:50%;background:var(--goodbg);
  display:flex;align-items:center;justify-content:center}

/* ---------- footer ---------- */
.footer{background:var(--navy);color:#b9cee0;padding:54px 0 30px;font-size:.94rem}
.footer a{color:#cfe0ef}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;margin-bottom:30px}
.footer h4{color:#fff;font-size:.95rem;margin:0 0 12px;letter-spacing:.02em}
.footer .brand{color:#fff}
.footer-bot{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#8fabc6;font-size:.85rem}

/* pills / tags */
.pill{display:inline-flex;align-items:center;gap:7px;font-size:.82rem;font-weight:600;
  padding:6px 13px;border-radius:999px;background:var(--mint);color:#0c7676}

/* nav phone */
.nav-phone{font-weight:700 !important;color:var(--navy) !important}
.nav-phone:hover{color:var(--blue) !important;text-decoration:none}

/* hero photo */
.hero-photo img{width:100%;height:auto;border-radius:var(--r-lg);box-shadow:var(--shadow-lg);object-fit:cover}

/* manufacturer strip */
.mfr{display:flex;flex-wrap:wrap;gap:14px 40px;justify-content:center;align-items:center;margin-top:14px}
.mfr span{font-weight:800;font-size:1.3rem;color:#8598ab;letter-spacing:.01em}

/* compliance cards */
.comp{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;text-align:center;box-shadow:var(--shadow)}
.comp img{margin:0 auto 12px;width:72px;height:72px;object-fit:contain}
.comp h3{margin:.2em 0 .3em}
.comp p{color:#41556a;margin:0;font-size:.96rem}

/* reveal-on-scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--t),transform .7s var(--t)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero-grid,.split,.footer-grid{grid-template-columns:1fr}
  .split.rev .split-media{order:0}
  .hero-art{max-width:440px;margin:0 auto}
  .g-3{grid-template-columns:1fr 1fr}
  .nav-links{position:fixed;inset:68px 0 auto 0;background:#fff;flex-direction:column;
    align-items:stretch;gap:0;padding:8px 0;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-lg);display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 24px}
  .nav-toggle{display:block}
  section{padding:60px 0}
}
@media (max-width:620px){
  .g-2,.g-3,.stat-strip,.field-row{grid-template-columns:1fr}
  .stat .big{font-size:2rem}
}