/* =========================================================
   IRIS Servizi e Formazione — Design System
   Palette dal logo (blu + cremisi). Motivo firma: anelli "iris".
   ========================================================= */

:root {
  /* Colore */
  --blu:        #1B5C97;   /* primario dal logo */
  --blu-vivo:   #2E7BC4;
  --ink:        #10233A;   /* testo profondo */
  --cremisi:    #B41E3C;   /* accento, uso parsimonioso */
  --cremisi-sc: #8E1730;
  --carta:      #FFFFFF;
  --nebbia:     #F1F6FB;   /* sezioni chiare azzurrate */
  --nebbia-2:   #E7F0F9;
  --bordo:      #D8E4F0;
  --grigio:     #5A6b7d;   /* testo secondario */
  --oro:        #C8952B;   /* micro-accento certificazioni */

  /* Tipografia */
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --body: "Figtree", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Misure */
  --wrap: 1160px;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 40px -22px rgba(16, 35, 58, .35);
  --shadow-soft: 0 8px 24px -16px rgba(16, 35, 58, .30);
  --ease: cubic-bezier(.16, .84, .44, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--body);
  color: var(--ink);
  background: var(--carta);
  line-height: 1.6;
  font-size: 1.02rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ---------- Layout ---------- */
.wrap { width: min(100% - 2.6rem, var(--wrap)); margin-inline: auto; }
section { padding-block: clamp(3.2rem, 7vw, 6rem); }
.sezione-chiara { background: var(--nebbia); }

.eyebrow {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cremisi);
  display: inline-flex;
  align-items: center;
  gap: .55rem;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: var(--cremisi);
  opacity: .6;
}

/* ---------- Tipografia ---------- */
h1, h2, h3, h4 { font-family: var(--display); font-weight: 600; line-height: 1.08; letter-spacing: -.01em; color: var(--ink); }
h1 { font-size: clamp(2.4rem, 5.4vw, 4rem); }
h2 { font-size: clamp(1.9rem, 3.8vw, 2.9rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
.lead { font-size: clamp(1.08rem, 1.7vw, 1.28rem); color: var(--grigio); max-width: 60ch; }
.muted { color: var(--grigio); }

/* ---------- Bottoni ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .85rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1.5px solid transparent;
  transition: transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease), color .2s;
  white-space: nowrap;
}
.btn:focus-visible { outline: 3px solid var(--blu-vivo); outline-offset: 3px; }
.btn-primary { background: var(--cremisi); color: #fff; box-shadow: 0 12px 24px -14px rgba(180,30,60,.8); }
.btn-primary:hover { background: var(--cremisi-sc); transform: translateY(-2px); }
.btn-ghost { border-color: var(--bordo); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--blu); color: var(--blu); transform: translateY(-2px); }
.btn-white { background:#fff; color: var(--blu); }
.btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.btn .arr { transition: transform .25s var(--ease); }
.btn:hover .arr { transform: translateX(3px); }

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bordo);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; height: 74px;
}
.brand { display: flex; align-items: center; gap: .6rem; }
.brand img { height: 40px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 1.9rem; list-style: none; }
.nav-links a {
  font-weight: 600; font-size: .96rem; color: var(--ink);
  position: relative; padding-block: .3rem;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 2px; background: var(--cremisi); transition: width .25s var(--ease);
}
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: .8rem; }
.nav-toggle { display: none; background: none; border: 0; padding: .4rem; }
.nav-toggle span { display:block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: .3s; border-radius: 2px; }

/* =========================================================
   HERO — motivo firma anelli "iris"
   ========================================================= */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(120% 100% at 85% -10%, rgba(46,123,196,.14), transparent 55%),
    linear-gradient(180deg, #fff, var(--nebbia));
}
.hero .wrap {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center;
  padding-block: clamp(3rem, 7vw, 6rem);
}
.hero h1 { margin-block: 1.1rem 1.3rem; }
.hero h1 em { font-style: italic; color: var(--blu); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 1.4rem; margin-top: 2.4rem; }
.hero-badge { display: flex; align-items: center; gap: .6rem; font-size: .9rem; font-weight: 600; color: var(--grigio); }
.hero-badge svg { flex: none; color: var(--blu); }

/* Anelli iris nel visual dell'hero */
.iris-visual { position: relative; aspect-ratio: 1; display: grid; place-items: center; }
.iris-rings { width: 100%; height: 100%; }
.iris-rings circle { fill: none; }
.iris-card {
  position: absolute; background: #fff; border: 1px solid var(--bordo);
  border-radius: var(--radius-sm); padding: .9rem 1.1rem; box-shadow: var(--shadow);
  display: flex; align-items: center; gap: .7rem; font-weight: 600; font-size: .9rem;
}
.iris-card small { display:block; color: var(--grigio); font-weight: 500; font-size: .78rem; }
.iris-card .dot { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; color: #fff; flex: none; }
.iris-card.c1 { top: 8%; left: -6%; }
.iris-card.c2 { bottom: 12%; right: -4%; }
.iris-card.c3 { bottom: -4%; left: 14%; }

/* =========================================================
   STRISCIA CREDIBILITÀ
   ========================================================= */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
  border-block: 1px solid var(--bordo);
  padding-block: 2.2rem;
}
.stat .num { font-family: var(--display); font-size: clamp(2rem, 4vw, 2.8rem); color: var(--blu); font-weight: 600; }
.stat .lbl { color: var(--grigio); font-size: .95rem; margin-top: .2rem; }

/* =========================================================
   INTESTAZIONE SEZIONE
   ========================================================= */
.sec-head { max-width: 62ch; margin-bottom: 2.6rem; }
.sec-head h2 { margin-top: .8rem; }
.sec-head p { margin-top: .9rem; }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head.center .eyebrow { justify-content: center; }

/* =========================================================
   CARD CORSI
   ========================================================= */
.grid-corsi { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.corso-card {
  position: relative; display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--bordo); border-radius: var(--radius);
  overflow: hidden; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.corso-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--nebbia-2); }
.corso-top { padding: 1.5rem 1.5rem 0; }
.corso-tag {
  display: inline-flex; align-items:center; gap:.4rem;
  font-size: .74rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  padding: .3rem .7rem; border-radius: 999px; margin-bottom: 1rem;
}
.tag-blu { background: var(--nebbia-2); color: var(--blu); }
.tag-cremisi { background: #FBE7EB; color: var(--cremisi); }
.tag-oro { background: #F7EDD6; color: #9A6E12; }
.corso-card h3 { margin-bottom: .5rem; }
.corso-body { padding: 0 1.5rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.corso-meta { display: flex; flex-wrap: wrap; gap: 1rem 1.4rem; margin: 1rem 0 1.2rem; padding-top: 1rem; border-top: 1px dashed var(--bordo); }
.corso-meta span { display: flex; align-items: center; gap: .4rem; font-size: .88rem; color: var(--grigio); font-weight: 600; }
.corso-meta svg { color: var(--blu); flex: none; }
.corso-card .go {
  margin-top: auto; display: inline-flex; align-items: center; gap: .5rem;
  font-weight: 700; color: var(--cremisi);
}
.corso-card .go .arr { transition: transform .25s var(--ease); }
.corso-card:hover .go .arr { transform: translateX(4px); }
.corso-card.destacado { border: 1.5px solid var(--blu); }
.corso-card.destacado::before {
  content: "In evidenza"; position: absolute; top: 1.2rem; right: -2.4rem;
  background: var(--blu); color:#fff; font-size:.68rem; font-weight:700; letter-spacing:.08em;
  padding: .25rem 2.6rem; transform: rotate(45deg); text-transform: uppercase;
}

/* =========================================================
   VALORI / PERCHÉ IRIS
   ========================================================= */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.valore {
  background: #fff; border: 1px solid var(--bordo); border-radius: var(--radius); padding: 1.8rem;
}
.valore .ico { width: 52px; height: 52px; border-radius: 14px; background: var(--nebbia); color: var(--blu); display: grid; place-items: center; margin-bottom: 1.1rem; }
.valore h3 { margin-bottom: .5rem; }
.valore p { color: var(--grigio); font-size: .98rem; }

/* =========================================================
   BANNER PARITÀ DI GENERE
   ========================================================= */
.parita {
  background: linear-gradient(120deg, var(--blu) 0%, #164a7c 60%, var(--ink) 100%);
  color: #fff; border-radius: var(--radius); overflow: hidden; position: relative;
}
.parita::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 320px; height: 320px;
  border-radius: 50%; border: 40px solid rgba(255,255,255,.06);
}
.parita .inner { position: relative; display: grid; grid-template-columns: 1.4fr .9fr; gap: 2.4rem; align-items: center; padding: clamp(2rem, 4vw, 3.4rem); }
.parita .eyebrow { color: #ffd9df; }
.parita .eyebrow::before { background:#ffd9df; }
.parita h2 { color: #fff; }
.parita p { color: rgba(255,255,255,.85); margin-top: 1rem; }
.parita .cert-badge {
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.22);
  border-radius: var(--radius-sm); padding: 1.5rem; text-align: center;
}
.parita .cert-badge .big { font-family: var(--display); font-size: 1.8rem; }
.parita .cert-badge .small { color: rgba(255,255,255,.8); font-size: .85rem; margin-top:.3rem; }

/* =========================================================
   CTA finale
   ========================================================= */
.cta-final { text-align: center; }
.cta-final .box {
  background: var(--ink); color: #fff; border-radius: calc(var(--radius) + 6px);
  padding: clamp(2.6rem, 6vw, 4.4rem); position: relative; overflow: hidden;
}
.cta-final h2 { color: #fff; max-width: 20ch; margin-inline: auto; }
.cta-final p { color: rgba(255,255,255,.8); margin: 1rem auto 2rem; max-width: 52ch; }
.cta-final .btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer { background: var(--ink); color: rgba(255,255,255,.75); padding-block: 3.4rem 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2rem; }
.site-footer h4 { color: #fff; font-family: var(--body); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; margin-bottom: 1.1rem; }
.site-footer ul { list-style: none; display: grid; gap: .6rem; }
.site-footer a:hover { color: #fff; }
.footer-brand img { height: 42px; filter: brightness(0) invert(1); opacity: .95; margin-bottom: 1rem; }
.footer-brand p { font-size: .92rem; max-width: 34ch; }
.footer-bottom {
  margin-top: 2.6rem; padding-top: 1.4rem; border-top: 1px solid rgba(255,255,255,.12);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-size: .84rem; color: rgba(255,255,255,.55);
}

/* =========================================================
   PAGE HEADER (pagine interne)
   ========================================================= */
.page-head { background: linear-gradient(180deg, var(--nebbia), #fff); padding-block: clamp(2.6rem, 6vw, 4.4rem) clamp(2rem,4vw,3rem); border-bottom: 1px solid var(--bordo); }
.crumbs { font-size: .85rem; color: var(--grigio); margin-bottom: .8rem; }
.crumbs a:hover { color: var(--blu); }
.page-head h1 { max-width: 20ch; }
.page-head p { margin-top: 1rem; max-width: 60ch; }

/* =========================================================
   DETTAGLIO CORSO
   ========================================================= */
.corso-layout { display: grid; grid-template-columns: 1fr 340px; gap: 2.6rem; align-items: start; }
.prose h2 { margin: 2.4rem 0 1rem; }
.prose h3 { margin: 1.6rem 0 .6rem; color: var(--blu); }
.prose p { margin-bottom: 1rem; color: #2c3e52; }
.prose ul { margin: 0 0 1.2rem 1.1rem; display: grid; gap: .5rem; }
.prose li { padding-left: .3rem; }
.prose li::marker { color: var(--cremisi); }
.modulo-list { list-style: none; margin: 0; padding: 0; counter-reset: mod; display: grid; gap: .7rem; }
.modulo-list li {
  counter-increment: mod; display: flex; gap: 1rem; align-items: flex-start;
  background: var(--nebbia); border-radius: var(--radius-sm); padding: 1rem 1.2rem;
}
.modulo-list li::before {
  content: counter(mod, decimal-leading-zero); font-family: var(--display); color: var(--blu);
  font-weight: 600; font-size: 1.1rem; flex: none;
}
.corso-side { position: sticky; top: 96px; background: #fff; border: 1px solid var(--bordo); border-radius: var(--radius); padding: 1.6rem; box-shadow: var(--shadow-soft); }
.corso-side h3 { margin-bottom: 1.2rem; }
.fact { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem 0; border-bottom: 1px dashed var(--bordo); font-size: .94rem; }
.fact:last-of-type { border-bottom: 0; }
.fact .k { color: var(--grigio); }
.fact .v { font-weight: 700; text-align: right; }
.corso-side .btn { width: 100%; justify-content: center; margin-top: 1.2rem; }

/* =========================================================
   CONTATTI
   ========================================================= */
.contatti-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.6rem; align-items: start; }
.info-list { display: grid; gap: 1.3rem; margin-top: 1.6rem; }
.info-item { display: flex; gap: 1rem; align-items: flex-start; }
.info-item .ico { width: 46px; height: 46px; border-radius: 12px; background: var(--nebbia); color: var(--blu); display: grid; place-items: center; flex: none; }
.info-item .k { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--grigio); font-weight: 700; }
.info-item .v { font-weight: 600; font-size: 1.05rem; }
.form-card { background: #fff; border: 1px solid var(--bordo); border-radius: var(--radius); padding: 1.8rem; box-shadow: var(--shadow-soft); }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .4rem; }
.field input, .field textarea, .field select {
  width: 100%; padding: .8rem 1rem; border: 1.5px solid var(--bordo); border-radius: var(--radius-sm);
  font: inherit; color: var(--ink); background: #fff; transition: border-color .2s;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--blu); }
.field textarea { resize: vertical; min-height: 120px; }

/* =========================================================
   ANIMAZIONI
   ========================================================= */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 960px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .iris-visual { max-width: 420px; margin-inline: auto; order: -1; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 1.8rem 1rem; }
  .grid-3 { grid-template-columns: 1fr; }
  .parita .inner { grid-template-columns: 1fr; }
  .corso-layout { grid-template-columns: 1fr; }
  .corso-side { position: static; }
  .contatti-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-links, .nav-cta .btn-ghost { display: none; }
  .nav-toggle { display: block; }
  .nav[data-open="true"] .nav-links {
    display: flex; flex-direction: column; position: absolute; top: 74px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--bordo); padding: 1.4rem 1.3rem; gap: 1.1rem;
    box-shadow: var(--shadow);
  }
  .iris-card { display: none; }
}
@media (max-width: 460px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}