/* ============================================================================
   REVAVITA.COM — tema CLINICO / PROFESSIONALE (bianco + blu)
   Diverso dagli altri madre (piu' consumer/colorati). Look da laboratorio serio:
   bianco pulito, blu navy, accento teal, tabelle, badge fiducia. Zero fronzoli.
   ============================================================================ */
:root{
  --navy:#0f2c52; --blue:#1f5fbf; --blue-d:#17488f; --teal:#0ea5b7;
  --bg:#ffffff; --soft:#f4f8fd; --soft2:#eaf1fb; --line:#e2e8f0;
  --ink:#16263f; --muted:#5c6b82; --ok:#1a8f5a; --star:#f4a621;
  --radius:12px; --shadow:0 1px 2px rgba(16,44,82,.06),0 8px 24px rgba(16,44,82,.06);
  --maxw:1180px; --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:Georgia,"Times New Roman",serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{color:var(--navy);line-height:1.25;margin:0 0 .5em}
h1{font-size:2.15rem;letter-spacing:-.02em}
h2{font-size:1.6rem;letter-spacing:-.01em}
h3{font-size:1.2rem}
p{margin:0 0 1rem}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.small{font-size:.86rem}
.muted{color:var(--muted)}

/* ---- top trust bar ---- */
.topbar{background:var(--navy);color:#cfe0f5;font-size:.8rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:7px 20px;flex-wrap:wrap}
.topbar b{color:#fff}
.topbar .dot{opacity:.5;margin:0 8px}

/* ---- header ---- */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:18px;padding:14px 20px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--navy);font-size:1.32rem;letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.brand .mark{width:38px;height:38px;flex:0 0 38px;border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--teal));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-family:var(--serif)}
.brand small{display:block;font-size:.62rem;font-weight:600;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;margin-top:1px}
.mainnav{margin-left:auto;display:flex;gap:20px;flex-wrap:wrap}
.mainnav a{color:var(--ink);font-weight:600;font-size:.94rem}
.mainnav a:hover{color:var(--blue);text-decoration:none}
.nav-cta{background:var(--blue);color:#fff!important;padding:9px 16px;border-radius:8px}
.nav-cta:hover{background:var(--blue-d);text-decoration:none}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 11px;font-size:1.1rem;color:var(--navy)}

/* ---- hero ---- */
.hero{background:linear-gradient(180deg,var(--soft),#fff);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding:54px 20px}
.hero .eyebrow{display:inline-block;background:var(--soft2);color:var(--blue-d);font-weight:700;font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;padding:6px 12px;border-radius:999px;margin-bottom:16px}
.hero h1{margin-bottom:16px}
.hero p.lead{font-size:1.12rem;color:#33455f;max-width:38ch}
.hero .btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;padding:12px 22px;border-radius:9px;border:1px solid transparent;cursor:pointer;font-size:.98rem}
.btn.primary{background:var(--blue);color:#fff}
.btn.primary:hover{background:var(--blue-d);text-decoration:none}
.btn.ghost{background:#fff;color:var(--navy);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--blue);color:var(--blue);text-decoration:none}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:22px}
.hero-card h3{margin-bottom:14px;font-size:1.05rem}
.hero-card .line{display:flex;align-items:flex-start;gap:11px;padding:11px 0;border-top:1px solid var(--line)}
.hero-card .line:first-of-type{border-top:none}
.hero-card .ic{flex:0 0 26px;width:26px;height:26px;border-radius:7px;background:var(--soft2);color:var(--blue-d);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.85rem}
.hero-card .line b{display:block;color:var(--navy);font-size:.95rem}
.hero-card .line span{font-size:.85rem;color:var(--muted)}

/* ---- trust strip ---- */
.trust{border-bottom:1px solid var(--line);background:#fff}
.trust .wrap{display:flex;gap:14px;justify-content:space-between;flex-wrap:wrap;padding:18px 20px}
.trust .item{flex:1 1 200px;display:flex;align-items:center;gap:11px;font-size:.9rem;color:#33455f}
.trust .item .b{width:34px;height:34px;border-radius:8px;background:var(--soft);border:1px solid var(--line);color:var(--blue-d);display:flex;align-items:center;justify-content:center;font-weight:800}
.trust .item b{color:var(--navy)}

/* ---- sections ---- */
section.block{padding:52px 0}
section.block.alt{background:var(--soft)}
.sec-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap}
.sec-head .k{color:var(--teal);font-weight:800;letter-spacing:.1em;text-transform:uppercase;font-size:.75rem;margin-bottom:6px}
.sec-head p{margin:6px 0 0;color:var(--muted);max-width:60ch}
.seeall{font-weight:700;white-space:nowrap}

/* ---- product carousel ---- */
.carousel{display:flex;gap:18px;overflow-x:auto;padding:6px 2px 18px;scroll-snap-type:x mandatory}
.carousel::-webkit-scrollbar{height:8px}
.carousel::-webkit-scrollbar-thumb{background:var(--line);border-radius:8px}
.pcard{scroll-snap-align:start;flex:0 0 268px;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s}
.pcard:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(16,44,82,.12);text-decoration:none}
.pcard .ph{background:var(--soft);height:170px;display:flex;align-items:center;justify-content:center;padding:14px}
.pcard .ph img{max-height:150px;width:auto}
.pcard .pb{padding:15px 16px 18px}
.pcard .tag{font-size:.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--blue-d);background:var(--soft2);padding:3px 9px;border-radius:999px}
.pcard h3{font-size:1.06rem;margin:10px 0 6px;color:var(--navy)}
.pcard p{font-size:.86rem;color:var(--muted);margin:0 0 12px;min-height:37px}
.stars{color:var(--star);font-size:.9rem;letter-spacing:1px}
.pcard .rev{color:var(--muted);font-size:.78rem;margin-left:6px}
.pcard .go{margin-top:12px;color:var(--blue);font-weight:700;font-size:.88rem}
.empty-note{color:var(--muted);font-size:.92rem;border:1px dashed var(--line);border-radius:12px;padding:26px;text-align:center;background:#fff}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px}
.pgrid .pcard{flex:1 1 auto;width:100%}

/* ---- categories grid ---- */
.catgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:13px}
.catcard{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px 15px;color:var(--ink);font-weight:600;font-size:.94rem;box-shadow:0 1px 2px rgba(16,44,82,.04);transition:transform .14s,border-color .14s,box-shadow .14s}
.catcard:hover{border-color:var(--blue);transform:translateY(-2px);box-shadow:0 10px 22px rgba(16,44,82,.1);text-decoration:none}
.catcard .cn{line-height:1.25}
.ci{width:40px;height:40px;flex:0 0 40px;border-radius:10px;display:flex;align-items:center;justify-content:center}
.ci.lg{width:56px;height:56px;flex:0 0 56px;border-radius:14px}

/* why + cta band */
.whygrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.why{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 22px 24px;box-shadow:var(--shadow)}
.why .wi{width:52px;height:52px;border-radius:13px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.why h3{font-size:1.1rem;margin-bottom:6px}
.why p{margin:0;color:var(--muted);font-size:.94rem}
.ctaband{background:linear-gradient(120deg,var(--navy),var(--blue-d));color:#fff}
.ctaband .wrap{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:34px 20px;flex-wrap:wrap}
.ctaband h2{color:#fff;margin:0 0 4px}
.ctaband p{color:#cfe0f5;margin:0}
.ctaband .btn.primary{background:#fff;color:var(--navy)}
.ctaband .btn.primary:hover{background:#eaf1fb}
.cat-hero{display:flex;align-items:center;gap:16px}
.cat-hero h1{margin:0 0 4px}
.cat-hero p{margin:0}

/* ---- articles grid ---- */
.artgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.acard{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s}
.acard:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(16,44,82,.12);text-decoration:none}
.acard .at{height:6px;background:linear-gradient(90deg,var(--blue),var(--teal))}
.acard .ab{padding:20px 22px 24px}
.acard .tag{font-size:.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--teal)}
.acard h3{margin:9px 0 8px;font-size:1.14rem}
.acard p{font-size:.92rem;color:var(--muted);margin:0}
.acard .meta{margin-top:14px;font-size:.8rem;color:var(--muted);display:flex;gap:10px;align-items:center}

/* ---- article page ---- */
.crumbs{font-size:.83rem;color:var(--muted);padding:16px 0}
.crumbs a{color:var(--muted)}
.article{max-width:760px;margin:0 auto;padding:8px 20px 40px}
.article .tag{color:var(--teal);font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:.76rem}
.article h1{margin:12px 0 14px;font-size:2.2rem}
.article .byline{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.85rem;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:26px}
.article .byline .av{width:34px;height:34px;border-radius:50%;background:var(--soft2);color:var(--blue-d);display:flex;align-items:center;justify-content:center;font-weight:800}
.article-body{font-size:1.06rem}
.article-body h2{margin-top:1.8em;font-size:1.5rem}
.article-body h3{margin-top:1.4em}
.article-body ul,.article-body ol{padding-left:1.3em}
.article-body li{margin:.4em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.95rem}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--soft2);color:var(--navy)}
.callout{background:var(--soft);border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:10px;padding:16px 18px;margin:1.5em 0}
.callout b{color:var(--navy)}
.article-cta-box{background:linear-gradient(180deg,var(--soft2),#fff);border:1px solid var(--line);border-radius:14px;padding:22px;margin:2em 0}

/* ---- footer ---- */
.site-foot{background:var(--navy);color:#c3d4ec;margin-top:10px}
.site-foot .wrap{padding:48px 20px 26px}
.foot-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.site-foot h4{color:#fff;font-size:.95rem;margin-bottom:14px}
.site-foot a{color:#c3d4ec;font-size:.9rem;display:block;padding:4px 0}
.site-foot a:hover{color:#fff}
.foot-brand .brand{color:#fff}
.foot-brand p{font-size:.88rem;color:#9fb6d6;margin-top:12px;max-width:34ch}
.disc{border-top:1px solid rgba(255,255,255,.14);margin-top:30px;padding-top:20px;font-size:.78rem;color:#8ba6c9;line-height:1.6}
.disc p{margin:0 0 8px}

/* ---- page header (categorie/articoli/legal) ---- */
.page-head{background:linear-gradient(180deg,var(--soft),#fff);border-bottom:1px solid var(--line);padding:40px 0}
.page-head h1{margin:0 0 8px}
.page-head p{color:var(--muted);margin:0;max-width:64ch}

/* ---- responsive ---- */
.brand>svg{display:block;border-radius:10px}

@media(max-width:860px){
  .hero .wrap{grid-template-columns:1fr;gap:24px;padding:32px 20px}
  .hero p.lead{max-width:none}
  .whygrid{grid-template-columns:1fr}
  .ctaband .wrap{flex-direction:column;align-items:flex-start}
  .foot-cols{grid-template-columns:1fr 1fr}
  .mainnav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;gap:0;padding:8px 20px 16px}
  .mainnav.open{display:flex}
  .mainnav a{padding:12px 0;border-top:1px solid var(--line)}
  .nav-cta{margin-top:10px;text-align:center}
  .menu-btn{display:block}
  section.block{padding:38px 0}
  h1{font-size:1.75rem}.article h1{font-size:1.6rem}
  .sec-head{margin-bottom:20px}
}
@media(max-width:600px){
  body{font-size:15.5px}
  .topbar .wrap{justify-content:center;text-align:center;font-size:.74rem}
  .topbar span:first-child{display:none}
  .catgrid{grid-template-columns:1fr 1fr;gap:10px}
  .catcard{padding:11px 12px;font-size:.88rem;gap:10px}
  .ci{width:36px;height:36px;flex:0 0 36px}
  .artgrid{grid-template-columns:1fr}
  .pcard{flex-basis:80vw}
  .cat-hero{gap:12px}
  .cat-hero .ci.lg{width:46px;height:46px;flex:0 0 46px}
  .hero h1{font-size:1.6rem}
  .article{padding:8px 16px 32px}
}
@media(max-width:420px){.catgrid{grid-template-columns:1fr}.foot-cols{grid-template-columns:1fr}}