/* ===================================================================
   RCS S.r.l. — Design system & shared styles
   =================================================================== */

:root {
  --bg: #05070d;
  --bg-soft: #0a0f1c;
  --surface: #10182b;
  --surface-2: #141f38;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #eef2fb;
  --text-muted: #9aa7c4;
  --text-faint: #6b7590;
  --accent: #4f8ef7;
  --accent-cyan: #22d3ee;
  --accent-purple: #a78bfa;
  --accent-gradient: linear-gradient(135deg, var(--accent-cyan), var(--accent) 55%, var(--accent-purple));
  --success: #34d399;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-lift: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
  --container: 1180px;
  --nav-h: 76px;
}

@media (prefers-color-scheme: light) {
  :root { color-scheme: dark; }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: "Manrope", "Inter", sans-serif;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 .5em;
}

p { color: var(--text-muted); margin: 0 0 1em; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { padding-left: 1.2em; color: var(--text-muted); }
li { margin-bottom: .4em; }

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

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 2px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-primary {
  background: var(--accent-gradient);
  color: #04070f;
}
.btn-primary:hover { box-shadow: 0 12px 30px -10px rgba(79, 142, 247, .55); transform: translateY(-2px); }
.btn-outline {
  background: rgba(255,255,255,.04);
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-outline:hover { background: rgba(255,255,255,.08); border-color: var(--accent-cyan); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: not-allowed; }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(5, 7, 13, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border);
  transition: background .3s ease;
}
.nav-inner {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 17px; }
.brand img { height: 40px; width: auto; }
.brand small { display: block; font-weight: 500; font-size: 11px; color: var(--text-faint); letter-spacing: .06em; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-muted);
  transition: color .2s, background .2s;
  position: relative;
}
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,.06); }
.nav-links a.active { color: var(--text); background: rgba(79,142,247,.14); }

.nav-dropdown { position: relative; }
.nav-dropdown-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 240px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 8px;
  box-shadow: var(--shadow-lift);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}
.nav-dropdown:hover .nav-dropdown-panel,
.nav-dropdown:focus-within .nav-dropdown-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-panel a {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
}
.nav-dropdown-panel a:hover { background: rgba(255,255,255,.06); }

.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: rgba(255,255,255,.04);
  color: var(--text);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-cta .btn-outline { display: none; }
}

.mobile-menu {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0; bottom: 0;
  background: var(--bg-soft);
  z-index: 999;
  padding: 28px 24px;
  display: none;
  overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 16px 6px;
  font-size: 19px;
  font-weight: 700;
  border-bottom: 1px solid var(--border);
}
.mobile-menu .sub-links { padding-left: 14px; }
.mobile-menu .sub-links a { font-size: 15.5px; font-weight: 600; color: var(--text-muted); padding: 12px 6px; }

/* ---------- Hero / slideshow ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
  isolation: isolate;
}
.hero-slides { position: absolute; inset: 0; z-index: -2; }
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.6s ease;
}
.hero-slide.active { opacity: 1; }
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,7,13,.55) 0%, rgba(5,7,13,.86) 68%, var(--bg) 100%);
  z-index: -1;
}
.hero-dots {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 9px;
  z-index: 2;
}
.hero-dots button {
  width: 9px; height: 9px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,.3);
  cursor: pointer;
  padding: 0;
  transition: background .2s, width .2s;
}
.hero-dots button.active { background: var(--accent-cyan); width: 26px; border-radius: 5px; }

.hero-content { max-width: 760px; }
.hero-eyebrow {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(255,255,255,.04);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: .04em;
  margin-bottom: 22px;
}
.hero h1 { font-size: clamp(34px, 5.6vw, 62px); margin-bottom: 20px; }
.hero p.lead { font-size: 18px; max-width: 620px; color: var(--text-muted); margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.page-hero {
  min-height: 62vh;
}
.page-hero h1 { font-size: clamp(30px, 4.6vw, 48px); }

/* ---------- Sections ---------- */
section { padding: 96px 0; position: relative; }
.section-head { max-width: 700px; margin-bottom: 52px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-alt { background: var(--bg-soft); }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }

/* ---------- Grid / cards ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-5px); border-color: var(--border-strong); box-shadow: var(--shadow-lift); }
.card-accent-bar { height: 3px; width: 46px; border-radius: 3px; background: var(--accent-gradient); margin-bottom: 18px; }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { font-size: 14.5px; margin-bottom: 0; }
.card .icon-badge {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(79,142,247,.12);
  color: var(--accent-cyan);
  margin-bottom: 16px;
  font-size: 20px;
}

.stat-row { display: flex; gap: 36px; flex-wrap: wrap; }
.stat b { display: block; font-size: 30px; font-weight: 800; font-family: Manrope, sans-serif; }
.stat span { font-size: 13px; color: var(--text-faint); }

/* ---------- Media / image blocks ---------- */
.media-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
  isolation: isolate;
}
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.media-ratio-16-9 { aspect-ratio: 16/9; }
.media-ratio-4-3 { aspect-ratio: 4/3; }
.media-ratio-3-2 { aspect-ratio: 3/2; }
.media-ratio-4-5 { aspect-ratio: 4/5; }
.media-frame .tag {
  position: absolute; bottom: 16px; left: 16px;
  background: rgba(5,7,13,.72);
  backdrop-filter: blur(6px);
  border: 1px solid var(--border-strong);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  z-index: 2;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split.reverse .split-media { order: 2; }
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split.reverse .split-media { order: 0; }
}

/* ---------- Accordion (Settori) ---------- */
.accordion-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
}
.accordion-item[open] { border-color: var(--border-strong); }
.accordion-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: Manrope, sans-serif;
  font-weight: 700;
  font-size: 17px;
}
.accordion-item summary::-webkit-details-marker { display: none; }
.accordion-item summary .num {
  font-size: 13px; color: var(--accent-cyan); font-weight: 800; margin-right: 12px;
}
.accordion-item summary .chevron {
  width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: transform .3s ease;
}
.accordion-item[open] summary .chevron { transform: rotate(45deg); }
.accordion-body { padding: 0 26px 26px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 26px; align-items: center; }
.accordion-body p { font-size: 15px; }
@media (max-width: 760px) { .accordion-body { grid-template-columns: 1fr; } }
.accordion-body .media-frame { aspect-ratio: 16/10; }

/* ---------- Partner switcher / slideshow nav ---------- */
.partner-switch {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0 0;
  border-top: 1px solid var(--border);
  margin-top: 20px;
}
.partner-switch a {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 14px;
  color: var(--text-muted);
  padding: 10px 8px;
}
.partner-switch a:hover { color: var(--accent-cyan); }
.partner-switch .dots { display: flex; gap: 7px; }
.partner-switch .dots a {
  width: 9px; height: 9px; border-radius: 50%;
  background: rgba(255,255,255,.22);
  padding: 0;
}
.partner-switch .dots a.active { background: var(--accent-gradient); }

.partner-index-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 46px; }
.partner-index-nav a {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  font-size: 14px;
  font-weight: 700;
  background: rgba(255,255,255,.03);
}
.partner-index-nav a:hover, .partner-index-nav a.active { background: var(--accent-gradient); color: #04070f; border-color: transparent; }

/* ---------- Forms ---------- */
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}
@media (max-width: 640px) { .form-card { padding: 26px; } }
.form-row { margin-bottom: 20px; }
.form-row label {
  display: block;
  font-size: 13.5px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}
.form-row .req { color: var(--accent-cyan); }
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 13px 15px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: rgba(255,255,255,.03);
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  transition: border-color .2s, background .2s;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  background: rgba(255,255,255,.06);
}
.form-row textarea { resize: vertical; min-height: 120px; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
@media (max-width: 600px) { .form-grid-2 { grid-template-columns: 1fr; } }
.form-error { color: #f87171; font-size: 12.5px; margin-top: 6px; display: none; }
.form-row.invalid input,
.form-row.invalid select,
.form-row.invalid textarea { border-color: #f87171; }
.form-row.invalid .form-error { display: block; }
.form-note { font-size: 12.5px; color: var(--text-faint); margin-top: 18px; }
.checkbox-row { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; color: var(--text-muted); }
.checkbox-row input { width: auto; margin-top: 3px; }

.form-success {
  display: none;
  text-align: center;
  padding: 50px 20px;
}
.form-success.show { display: block; }
.form-success .icon-badge { margin: 0 auto 20px; width: 64px; height: 64px; font-size: 30px; background: rgba(52,211,153,.14); color: var(--success); border-radius: 50%; }

/* Honeypot anti-spam: invisibile per le persone, visibile ai bot che compilano tutti i campi */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
}

.form-submit-error {
  display: none;
  background: rgba(248, 113, 113, .1);
  border: 1px solid rgba(248, 113, 113, .35);
  color: #fca5a5;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  margin-bottom: 20px;
}
.form-submit-error.show { display: block; }

/* ---------- Team / organo amministrativo ---------- */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
@media (max-width: 860px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .team-grid { grid-template-columns: 1fr; max-width: 320px; margin: 0 auto; } }

.team-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.team-card:hover { transform: translateY(-5px); border-color: var(--border-strong); box-shadow: var(--shadow-lift); }
.team-card .media-frame { border-radius: 0; border: none; border-bottom: 1px solid var(--border); }
.team-card-body { padding: 22px 24px 26px; }
.team-card .role-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 8px;
}
.team-card h3 { font-size: 18px; margin-bottom: 4px; }
.team-card p { font-size: 13.5px; margin-bottom: 0; }

.team-card-placeholder .media-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  color: var(--text-faint);
  font-size: 46px;
  font-weight: 800;
  font-family: Manrope, sans-serif;
}

/* ---------- Contact info ---------- */
.contact-info-item { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--border); }
.contact-info-item:last-child { border-bottom: none; }
.contact-info-item .icon-badge { flex-shrink: 0; margin-bottom: 0; }
.contact-info-item h4 { font-size: 15px; margin-bottom: 4px; }
.contact-info-item p { font-size: 14.5px; margin-bottom: 0; }
.contact-info-item a { color: var(--accent-cyan); font-weight: 600; }

.map-frame { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); }
.map-frame iframe { width: 100%; height: 100%; min-height: 320px; border: 0; filter: grayscale(.25) invert(.92) contrast(.9); }

/* ---------- Footer ---------- */
footer { background: var(--bg-soft); border-top: 1px solid var(--border); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 46px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer-brand img { height: 38px; }
.footer-brand span { font-weight: 800; font-size: 17px; }
.footer-col h5 { font-size: 13px; text-transform: uppercase; letter-spacing: .07em; color: var(--text-faint); margin-bottom: 16px; }
.footer-col a, .footer-col p { display: block; font-size: 14.5px; color: var(--text-muted); margin-bottom: 11px; }
.footer-col a:hover { color: var(--accent-cyan); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; padding-top: 26px; border-top: 1px solid var(--border); font-size: 13px; color: var(--text-faint); }

/* ---------- CTA band ---------- */
.cta-band {
  border-radius: var(--radius-lg);
  padding: 56px;
  background: radial-gradient(circle at 20% 20%, rgba(79,142,247,.18), transparent 55%),
              radial-gradient(circle at 80% 80%, rgba(167,139,250,.16), transparent 55%),
              var(--surface);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-band h2 { margin-bottom: 8px; font-size: 28px; }
.cta-band p { margin-bottom: 0; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { display: flex; gap: 8px; align-items: center; font-size: 13.5px; color: var(--text-faint); margin-bottom: 20px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent-cyan); }

/* ---------- Badges / values list ---------- */
.value-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 640px) { .value-list { grid-template-columns: 1fr; } }
.value-list li { list-style: none; margin: 0; padding: 16px 18px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 14.5px; color: var(--text-muted); }
.value-list b { color: var(--text); display: block; margin-bottom: 4px; font-size: 14.5px; }

.numbered-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
@media (max-width: 860px) { .numbered-steps { grid-template-columns: 1fr; } }
.numbered-steps li { list-style: none; position: relative; padding: 30px 22px 22px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); }
.numbered-steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; top: -16px; left: 22px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent-gradient);
  color: #04070f;
  font-weight: 800; font-family: Manrope, sans-serif;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
}
.numbered-steps h4 { font-size: 16px; margin-bottom: 8px; }
.numbered-steps p { font-size: 14px; margin-bottom: 0; }

/* Skip link */
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--accent-cyan); color: #04070f; padding: 10px 16px; z-index: 2000; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }