/* ==========================================================================
   SM Pharma — design system
   Adapted from the "NOVAFALL: IRIS" grid/glass/full-bleed system,
   recolored to the SM Pharma brand (navy + cyan on white).
   ========================================================================== */

:root{
  /* --- brand colors (from SM Pharma logo) --- */
  --navy-900: #08192F;
  --navy-800: #0D2A4E;
  --navy-700: #123B6E;
  --navy-600: #17498A;
  --blue-500: #1F6FB8;
  --cyan-500: #29ABE2;
  --cyan-400: #4FC3EA;
  --cyan-300: #8AD9F3;
  --cyan-100: #E3F5FC;

  --color-primary: var(--cyan-500);
  --color-secondary: var(--navy-700);
  --color-tertiary: var(--blue-500);
  --color-neutral: var(--navy-900);

  --bg: #F6FAFD;
  --bg-alt: #EFF6FB;
  --surface: rgba(255,255,255,0.72);
  --surface-solid: #FFFFFF;
  --text-primary: var(--navy-900);
  --text-secondary: #3E5D7C;
  --text-on-dark: #FFFFFF;
  --border: rgba(8,25,47,0.10);
  --border-strong: rgba(8,25,47,0.16);
  --accent-border: rgba(41,171,226,0.45);

  /* --- typography --- */
  --font-display: "Archivo", sans-serif;
  --font-label: "Rajdhani", sans-serif;

  /* --- spacing --- */
  --space-1: 1px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;
  --space-40: 40px;
  --section-pad: 56px;
  --section-pad-lg: 96px;
  --card-pad: 56px;

  /* --- shape --- */
  --radius: 0px;

  /* --- elevation --- */
  --shadow-soft: rgba(8,25,47,0.10) 0px 8px 40px 0px;
  --shadow-glow: rgba(41,171,226,0.35) 0px 0px 24px 0px;
  --shadow-hair: rgba(255,255,255,0.6) 0px 0px 8px 0px;
  --blur-sm: 4px;
  --blur-md: 6px;

  /* --- motion --- */
  --ease: ease;
  --ease-out: cubic-bezier(0.4,0,0.2,1);
  --dur-fast: 300ms;
  --dur-med: 500ms;
  --dur-slow: 700ms;
  --dur-slower: 900ms;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text-primary);
  font-family:var(--font-display);
  font-weight:400;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; }

.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 var(--space-24);
}

/* ---------- WebGL / dot field background ---------- */
#dotfield{
  position:fixed;
  inset:0;
  width:100%;
  height:100%;
  z-index:0;
  pointer-events:none;
  opacity:0.55;
}
.dotfield-fallback{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(1200px 700px at 15% -10%, rgba(41,171,226,0.10), transparent 60%),
    radial-gradient(900px 600px at 100% 10%, rgba(18,59,110,0.08), transparent 60%);
}

/* ---------- Label / eyebrow ---------- */
.label{
  font-family:var(--font-label);
  font-size:12px;
  font-weight:600;
  line-height:16px;
  letter-spacing:4.8px;
  text-transform:uppercase;
  color:var(--color-secondary);
}
.label.on-dark{ color:var(--cyan-300); }
.label-dot::before{
  content:"";
  display:inline-block;
  width:6px;height:6px;
  background:var(--color-primary);
  margin-right:10px;
  vertical-align:middle;
}

/* ---------- Headings ---------- */
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:200;
  margin:0;
  color:var(--text-primary);
}
.display-lg{
  font-size:clamp(40px, 8vw, 118px);
  font-weight:200;
  line-height:1.02;
  letter-spacing:0.01em;
}
.display-md{
  font-size:clamp(30px, 4.2vw, 56px);
  font-weight:300;
  line-height:1.08;
}
.body-md{
  font-size:16px;
  line-height:24px;
  color:var(--text-secondary);
  font-weight:400;
}

/* ---------- Header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(246,250,253,0.78);
  backdrop-filter:blur(var(--blur-md));
  -webkit-backdrop-filter:blur(var(--blur-md));
  border-bottom:1px solid var(--border);
}
.site-header .inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px var(--space-24);
  max-width:1280px;
  margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:44px; width:auto; }
.brand-name{ font-family:var(--font-label); font-weight:600; letter-spacing:1px; font-size:15px; color:var(--navy-800); }

.main-nav{ display:flex; align-items:center; gap:32px; }
.main-nav a{
  font-family:var(--font-label);
  font-size:13px;
  font-weight:600;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--text-secondary);
  padding:6px 0;
  border-bottom:1px solid transparent;
  transition:color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.main-nav a:hover, .main-nav a.active{ color:var(--color-primary); border-color:var(--color-primary); }
.main-nav a.area-riservata{
  background:var(--navy-800);
  color:#fff;
  padding:10px 20px;
  border:1px solid var(--navy-800);
}
.main-nav a.area-riservata:hover{ background:var(--color-primary); border-color:var(--color-primary); color:#fff; }

.nav-toggle{ display:none; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  font-family:var(--font-label);
  font-size:12px;
  font-weight:600;
  letter-spacing:2.4px;
  text-transform:uppercase;
  padding:16px 28px;
  border-radius:var(--radius);
  cursor:pointer;
  transition:transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{
  background:var(--navy-800);
  color:#fff;
  border:1px solid var(--navy-800);
  box-shadow: 0 0 0 rgba(41,171,226,0);
}
.btn-primary:hover{ background:var(--color-primary); border-color:var(--color-primary); box-shadow:var(--shadow-glow); }
.btn-secondary{
  background:transparent;
  color:var(--navy-800);
  border:1px solid var(--border-strong);
}
.btn-secondary:hover{ border-color:var(--color-primary); color:var(--color-primary); }
.btn-link{
  padding:0;
  border:none;
  background:none;
  color:var(--color-secondary);
  letter-spacing:2px;
  border-bottom:1px solid var(--color-secondary);
  border-radius:0;
}
.btn-link:hover{ color:var(--color-primary); border-color:var(--color-primary); transform:none; }
.btn-sm{ padding:11px 18px; font-size:11px; }
.btn svg{ width:14px; height:14px; }

/* ---------- Glass cards / gradient border shell ---------- */
.shell{
  position:relative;
  padding:1px;
  background:linear-gradient(135deg, rgba(41,171,226,0.55), rgba(255,255,255,0.5) 40%, rgba(41,171,226,0.12));
}
.card{
  position:relative;
  background:var(--surface);
  backdrop-filter:blur(var(--blur-sm));
  -webkit-backdrop-filter:blur(var(--blur-sm));
  border:1px solid var(--border);
  box-shadow:var(--shadow-soft);
  padding:40px;
  height:100%;
}
.card:hover{ border-color:var(--accent-border); }

/* ---------- Sections / grid ---------- */
section{ position:relative; z-index:1; padding:var(--section-pad) 0; }
.section-lg{ padding:var(--section-pad-lg) 0; }
.grid{ display:grid; gap:var(--space-24); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }

.section-head{ max-width:720px; margin-bottom:48px; }
.section-head .label{ margin-bottom:16px; display:block; }
.section-head h2{ margin-bottom:16px; }

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:92vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  border-bottom:1px solid var(--border);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  z-index:0;
}
.hero-bg::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(100deg, rgba(8,25,47,0.88) 0%, rgba(13,42,78,0.72) 45%, rgba(41,171,226,0.35) 100%);
}
.hero .container{ position:relative; z-index:2; padding-top:80px; padding-bottom:80px; }
.hero .label{ color:var(--cyan-300); }
.hero h1{ color:#fff; margin:20px 0 24px; }
.hero p{ color:rgba(255,255,255,0.82); max-width:560px; margin-bottom:40px; }
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }
.hero .btn-secondary{ color:#fff; border-color:rgba(255,255,255,0.35); }
.hero .btn-secondary:hover{ border-color:var(--color-primary); color:var(--cyan-300); }

.stat-row{
  position:relative; z-index:2;
  display:flex;
  gap:1px;
  background:var(--border-strong);
  margin-top:64px;
  border:1px solid rgba(255,255,255,0.18);
}
.stat{
  flex:1;
  background:rgba(8,25,47,0.55);
  backdrop-filter:blur(var(--blur-md));
  padding:28px 24px;
  text-align:left;
}
.stat .num{ font-family:var(--font-display); font-size:clamp(28px,3vw,40px); font-weight:200; color:#fff; }
.stat .cap{ font-family:var(--font-label); font-size:11px; letter-spacing:2px; text-transform:uppercase; color:var(--cyan-300); margin-top:6px; }

/* ---------- Process steps ---------- */
.step{
  display:flex;
  gap:32px;
  padding:40px 0;
  border-top:1px solid var(--border);
}
.step:last-child{ border-bottom:1px solid var(--border); }
.step .idx{
  font-family:var(--font-display);
  font-size:56px;
  font-weight:200;
  color:var(--cyan-300);
  min-width:110px;
}
.step h3{ font-family:var(--font-label); font-size:14px; letter-spacing:2px; text-transform:uppercase; color:var(--navy-800); margin-bottom:12px; font-weight:700;}
.step p{ color:var(--text-secondary); max-width:640px; }

/* ---------- Product cards ---------- */
.product-card{
  background:var(--surface-solid);
  border:1px solid var(--border);
  display:flex;
  flex-direction:column;
  transition:box-shadow var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease);
}
.product-card:hover{ box-shadow:var(--shadow-soft); transform:translateY(-4px); border-color:var(--accent-border); }
.product-media{
  background:#fff;
  display:flex; align-items:center; justify-content:center;
  padding:24px;
  aspect-ratio:4/3;
  border-bottom:1px solid var(--border);
}
.product-media img{ max-height:100%; object-fit:contain; }
.product-body{ padding:24px; display:flex; flex-direction:column; gap:8px; flex:1; }
.product-body h4{ font-size:17px; font-weight:600; }
.product-body .meta{ font-size:13px; color:var(--text-secondary); }
.badge{
  display:inline-block;
  font-family:var(--font-label);
  font-size:11px;
  font-weight:600;
  letter-spacing:1.5px;
  text-transform:uppercase;
  padding:4px 10px;
  border:1px solid var(--border-strong);
  color:var(--navy-700);
  align-self:flex-start;
}
.product-footer{
  margin-top:auto;
  display:flex; align-items:center; justify-content:space-between;
  padding-top:12px;
  border-top:1px solid var(--border);
}
.price{ font-family:var(--font-display); font-size:20px; font-weight:600; color:var(--navy-800); }

/* ---------- Doc list (stampati) ---------- */
.doc-toolbar{
  display:flex; gap:16px; align-items:center; margin-bottom:32px; flex-wrap:wrap;
}
.doc-toolbar input{
  flex:1; min-width:240px;
  font-family:var(--font-display);
  font-size:15px;
  padding:14px 18px;
  border:1px solid var(--border-strong);
  background:var(--surface-solid);
  color:var(--text-primary);
}
.doc-toolbar input:focus{ outline:none; border-color:var(--color-primary); }
.doc-count{ font-family:var(--font-label); font-size:12px; letter-spacing:1.5px; text-transform:uppercase; color:var(--text-secondary); }

.doc-row{
  display:flex; align-items:center; justify-content:space-between; gap:24px;
  padding:20px 24px;
  background:var(--surface-solid);
  border:1px solid var(--border);
  border-top:none;
  transition:background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.doc-row:first-of-type{ border-top:1px solid var(--border); }
.doc-row:hover{ background:var(--cyan-100); border-color:var(--accent-border); }
.doc-row .name{ font-weight:600; font-size:15px; }
.doc-row .file{ font-size:13px; color:var(--text-secondary); }
.doc-row .dl{
  display:flex; align-items:center; gap:8px;
  font-family:var(--font-label); font-size:12px; font-weight:600; letter-spacing:1.5px; text-transform:uppercase;
  color:var(--color-secondary);
  white-space:nowrap;
}
.doc-row .dl:hover{ color:var(--color-primary); }
.doc-row.hidden{ display:none; }
.doc-row.doc-pending{ background:var(--bg-alt); }
.doc-row.doc-pending .name{ color:var(--text-secondary); }
.doc-row.doc-pending .dl{ color:var(--text-secondary); opacity:0.6; }

/* ---------- Farmacovigilanza cards ---------- */
.fv-card{
  background:var(--surface-solid);
  border:1px solid var(--border);
  padding:40px 32px;
  text-align:center;
  display:flex; flex-direction:column; align-items:center; gap:20px;
}
.fv-card .icon{
  width:56px;height:56px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--accent-border);
  color:var(--color-primary);
}
.fv-card h3{ font-size:19px; font-weight:600; }

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns:1.1fr 1fr; gap:48px; align-items:flex-start; }
.contact-card{ background:var(--surface-solid); border:1px solid var(--border); padding:var(--card-pad); }
.field{ margin-bottom:20px; }
.field label{ display:block; font-family:var(--font-label); font-size:12px; letter-spacing:1.5px; text-transform:uppercase; color:var(--text-secondary); margin-bottom:8px; }
.field input, .field textarea{
  width:100%;
  font-family:var(--font-display);
  font-size:15px;
  padding:14px 16px;
  border:1px solid var(--border-strong);
  background:#fff;
  color:var(--text-primary);
  resize:vertical;
}
.field input:focus, .field textarea:focus{ outline:none; border-color:var(--color-primary); }
.checkbox-field{ display:flex; align-items:flex-start; gap:10px; margin-bottom:24px; }
.checkbox-field input{ margin-top:4px; }
.checkbox-field label{ font-size:13px; color:var(--text-secondary); text-transform:none; letter-spacing:0; font-family:var(--font-display); }

.addr-block{ padding:28px 0; border-top:1px solid var(--border); }
.addr-block:first-child{ border-top:none; padding-top:0; }
.addr-block h4{ font-family:var(--font-label); font-size:13px; letter-spacing:2px; text-transform:uppercase; color:var(--color-secondary); margin-bottom:10px; font-weight:700; }

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--border);
  background:var(--navy-900);
  color:rgba(255,255,255,0.75);
  padding:64px 0 32px;
  position:relative; z-index:1;
}
.footer-top{ display:flex; justify-content:space-between; gap:48px; flex-wrap:wrap; margin-bottom:48px; }
.footer-brand img{ height:56px; margin-bottom:16px; background:#fff; padding:8px 14px; }
.footer-col h5{ font-family:var(--font-label); font-size:12px; letter-spacing:2px; text-transform:uppercase; color:var(--cyan-300); margin-bottom:16px; }
.footer-col a, .footer-col p{ display:block; font-size:14px; color:rgba(255,255,255,0.7); margin-bottom:10px; }
.footer-col a:hover{ color:var(--cyan-300); }
.footer-bottom{ border-top:1px solid rgba(255,255,255,0.12); padding-top:24px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:13px; color:rgba(255,255,255,0.5); }
.footer-bottom a{ color:rgba(255,255,255,0.6); }
.footer-bottom a:hover{ color:var(--cyan-300); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero{ padding:64px 0 40px; border-bottom:1px solid var(--border); }
.page-hero h1{ margin-top:16px; }

/* ---------- Reveal animation base state ---------- */
.reveal{ opacity:0; transform:translateY(28px); }

/* ---------- Cursor glow ---------- */
.cursor-glow{
  position:fixed;
  width:300px; height:300px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(41,171,226,0.07) 0%, transparent 70%);
  pointer-events:none;
  z-index:0;
  will-change:transform;
  transition:opacity 0.3s;
}
@media (pointer:coarse){ .cursor-glow{ display:none; } }

/* ---------- Scroll progress bar ---------- */
.scroll-progress{
  position:fixed;
  top:0; left:0;
  width:100%; height:3px;
  background:linear-gradient(90deg, var(--cyan-500), var(--blue-500));
  transform-origin:left;
  transform:scaleX(0);
  z-index:200;
}

/* ---------- Header scrolled state ---------- */
.site-header{
  transition:padding var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease);
}
.site-header.scrolled{
  box-shadow:0 2px 20px rgba(8,25,47,0.08);
}
.site-header.scrolled .inner{
  padding-top:10px;
  padding-bottom:10px;
}
.site-header .inner{
  transition:padding var(--dur-fast) var(--ease-out);
}

/* ---------- Enhanced card hover ---------- */
.card, .product-card, .fv-card{
  will-change:transform;
  transform-style:preserve-3d;
}

/* ---------- Image overflow for parallax ---------- */
.reveal:has(> img){ overflow:hidden; }

/* ---------- Utility ---------- */
.mt-0{margin-top:0;} .mb-0{margin-bottom:0;}
.text-center{ text-align:center; }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .grid-4{ grid-template-columns:repeat(2,1fr); }
  .grid-3{ grid-template-columns:repeat(2,1fr); }
  .grid-2{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .stat-row{ flex-wrap:wrap; }
  .stat{ flex:1 1 50%; }
}
@media (max-width: 760px){
  .main-nav{ display:none; }
  .nav-toggle{ display:flex; }
  .grid-4, .grid-3{ grid-template-columns:1fr; }
  .step{ flex-direction:column; gap:12px; }
  .footer-top{ flex-direction:column; gap:32px; }
  .stat{ flex:1 1 100%; border-bottom:1px solid rgba(255,255,255,0.12); }
}

/* ---------- Legal pages ---------- */
.legal{ max-width:820px; }
.legal h2{ font-size:20px; font-weight:700; margin:40px 0 14px; color:var(--navy-800); }
.legal h2:first-child{ margin-top:0; }
.legal p{ color:var(--text-secondary); margin:0 0 14px; }
.legal a{ color:var(--color-secondary); text-decoration:underline; }
.legal .updated{ font-family:var(--font-label); font-size:12px; letter-spacing:1.5px; text-transform:uppercase; color:var(--text-secondary); margin-bottom:32px; display:block; }

/* ---------- Mobile nav drawer ---------- */
.mobile-drawer{
  position:fixed; inset:0; z-index:200;
  background:var(--navy-900);
  display:flex; flex-direction:column;
  padding:24px;
  transform:translateX(100%);
  transition:transform var(--dur-med) var(--ease-out);
}
.mobile-drawer.open{ transform:translateX(0); }
.mobile-drawer a{
  font-family:var(--font-label);
  font-size:20px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:#fff;
  padding:16px 0;
  border-bottom:1px solid rgba(255,255,255,0.1);
}
.mobile-drawer .close-btn{
  align-self:flex-end;
  background:none; border:none; color:#fff; font-size:28px; cursor:pointer;
}