/* Glevantis — foglio di stile principale. Vanilla CSS, nessuna dipendenza esterna oltre Google Fonts. */

:root {
  --ink: #0E0F13;
  --slate: #4A4E58;
  --paper: #F6F7F9;
  --mist: #EAEBEF;
  --stone: #9296A1;
  --accent: #1A73E8;
  --accent-tint: #E8F0FE;
  --white: #FFFFFF;

  --radius: 8px;
  --shadow: 0 8px 24px rgba(14, 15, 19, 0.08);
  --max-width: 1200px;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;
  --space-8: 128px;

  --font-display: 'Space Grotesk', Helvetica, Arial, sans-serif;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 200ms;
  --dur: 500ms;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0 0 var(--space-2);
  color: var(--ink);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-family: var(--font-body); font-weight: 600; font-size: 1.4rem; letter-spacing: normal; }

p { margin: 0 0 var(--space-2); }
p:last-child { margin-bottom: 0; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: #1967D2; text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

ul { padding-left: 1.2em; }

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--mist);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--ink);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 20px;
  z-index: 100;
  border-radius: var(--radius);
}

.skip-link:focus {
  left: var(--space-2);
  top: var(--space-2);
}

.caption {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 var(--space-2);
  display: block;
}

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid var(--mist);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 0 0 rgba(14, 15, 19, 0);
  transition: box-shadow var(--dur-fast) var(--ease);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.logo-link { display: flex; align-items: center; }
.logo-link img { height: 34px; width: auto; }

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
}

.main-nav ul a {
  position: relative;
  color: var(--ink);
  font-weight: 500;
  font-size: 15px;
  padding-bottom: 4px;
}

.main-nav ul a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease);
}

.main-nav ul a:hover { color: var(--accent); text-decoration: none; }
.main-nav ul a:hover::after { transform: scaleX(1); }

.main-nav ul a[aria-current="page"] { color: var(--accent); }
.main-nav ul a[aria-current="page"]::after { transform: scaleX(1); }

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover { background: #1967D2; color: var(--white); }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-secondary:hover { background: var(--ink); color: var(--paper); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle svg { width: 24px; height: 24px; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-7) 0 var(--space-6);
  border-bottom: 1px solid var(--mist);
}

.hero-inner { position: relative; z-index: 1; max-width: 760px; }

.hero-mark {
  position: absolute;
  top: 50%;
  right: -80px;
  transform: translateY(-50%);
  width: 480px;
  height: auto;
  opacity: 0.22;
  pointer-events: none;
  z-index: 0;
}

.hero-mark .draw-bar { stroke: var(--accent); }

.hero-mark .draw {
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  animation: draw-line 1.4s var(--ease) forwards;
}

.hero-mark .draw-bar {
  transform-origin: center;
  transform: scaleY(0);
  animation: draw-bar 0.6s var(--ease) forwards;
  animation-delay: 1s;
}

@keyframes draw-line { to { stroke-dashoffset: 0; } }
@keyframes draw-bar { to { transform: scaleY(1); } }

.hero p.lede {
  font-size: 19px;
  color: var(--slate);
  max-width: 560px;
}

.hero .cta-row {
  margin-top: var(--space-4);
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ---------- Page hero (pagine interne) ---------- */

.page-hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-6) 0 var(--space-5);
  border-bottom: 1px solid var(--mist);
}

.page-hero .container { position: relative; z-index: 1; }

.page-hero p.lede {
  font-size: 18px;
  color: var(--slate);
  max-width: 640px;
}

.page-hero .hero-mark {
  width: 280px;
  opacity: 0.18;
  right: -60px;
}

/* ---------- Sections ---------- */

section { padding: var(--space-6) 0; }
section + section { border-top: 1px solid var(--mist); }

.section-head {
  max-width: 620px;
  margin-bottom: var(--space-4);
}

/* ---------- Problem list ---------- */

.problem-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.problem-item {
  display: flex;
  gap: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--mist);
}

.problem-item:first-child { border-top: none; padding-top: 0; }

.problem-mark {
  flex-shrink: 0;
  width: 4px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleY(0.4);
  transform-origin: top;
  transition: transform var(--dur) var(--ease);
}

.problem-item:hover .problem-mark,
.problem-item.is-visible .problem-mark {
  transform: scaleY(1);
}

.problem-item p { color: var(--slate); }
.problem-item strong { color: var(--ink); }

/* ---------- Card grid (cosa facciamo, casi) ---------- */

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.card {
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: var(--space-4);
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}

.card .caption { margin-bottom: var(--space-2); }

.card p { color: var(--slate); }

/* ---------- Casi (studio di caso) ---------- */

.case-card {
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: var(--space-4);
  display: grid;
  gap: var(--space-3);
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.case-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}

.case-card h3 { margin-bottom: var(--space-1); }

.case-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-tint);
  padding: 4px 10px;
  border-radius: 5px;
  width: fit-content;
}

.case-row { display: grid; grid-template-columns: 140px 1fr; gap: var(--space-2); }
.case-row dt { font-weight: 600; font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--accent); }
.case-row dd { margin: 0; color: var(--slate); }

/* ---------- Offerta (tre gradini) ---------- */

.offer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.offer-card {
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: var(--space-4);
  background: var(--white);
  position: relative;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.offer-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}

.offer-card .step-number {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
  display: block;
  margin-bottom: var(--space-1);
}

.offer-card .duration {
  font-size: 13px;
  color: var(--stone);
  margin-bottom: var(--space-2);
}

/* ---------- Metodo (timeline) ---------- */

.method-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.method-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--mist);
  transition: padding-left var(--dur-fast) var(--ease);
}

.method-item:hover {
  padding-left: var(--space-1);
}

.method-item:first-child { border-top: none; }

.method-index {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 500;
  color: var(--accent);
}

.method-item h3 { margin-bottom: 4px; }
.method-item p { color: var(--slate); margin-bottom: var(--space-1); }
.method-item .receives { font-size: 14px; color: var(--ink); }
.method-item .receives strong { color: var(--accent); }

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--ink);
  color: var(--paper);
  padding: var(--space-6) 0;
  text-align: center;
}

.cta-band h2 { color: var(--paper); }
.cta-band p { color: var(--stone); max-width: 480px; margin: 0 auto var(--space-3); }
.cta-band .btn-primary { background: var(--accent); }
.cta-band .btn-secondary { color: var(--paper); border-color: #33353D; }
.cta-band .btn-secondary:hover { background: var(--paper); color: var(--ink); }

/* ---------- Contatti / form ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.contact-form { display: grid; gap: var(--space-3); }

.field { display: grid; gap: 6px; }

.field label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--slate);
}

.field input, .field textarea, .field select {
  font-family: var(--font-body);
  font-size: 16px;
  padding: 12px 14px;
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
}

.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-tint);
}

.field-hint { font-size: 13px; color: var(--stone); }

.contact-info dt { font-weight: 600; color: var(--ink); margin-top: var(--space-3); }
.contact-info dt:first-child { margin-top: 0; }
.contact-info dd { margin: 4px 0 0; color: var(--slate); }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--mist);
  padding: var(--space-6) 0 var(--space-4);
  background: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--mist);
  margin-bottom: var(--space-3);
}

.footer-grid h3 { font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--slate); margin-bottom: var(--space-2); }

.footer-nav ul, .footer-legal ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.footer-nav a, .footer-legal a { color: var(--ink); font-size: 15px; }

.footer-legal-required {
  font-size: 13px;
  color: var(--slate);
  line-height: 1.7;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 13px;
  color: var(--stone);
}

/* ---------- Legal pages ---------- */

.legal-content h2 { font-size: 1.3rem; margin-top: var(--space-5); }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p, .legal-content li { color: var(--slate); }
.legal-content { max-width: 760px; }

.draft-notice {
  background: var(--accent-tint);
  border-left: 3px solid var(--accent);
  padding: var(--space-3);
  border-radius: var(--radius);
  margin-bottom: var(--space-5);
  font-size: 15px;
}

.draft-notice strong { color: var(--ink); }

/* ---------- Hero: word reveal + packet flow sul simbolo ---------- */

.js .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(14px);
  animation: word-in 0.6s var(--ease) forwards;
}

@keyframes word-in { to { opacity: 1; transform: translateY(0); } }

.hero-mark .packet {
  opacity: 0;
  animation: packet-flow 3.6s ease-in-out infinite;
}

@keyframes packet-flow {
  0% { opacity: 0; }
  8% { opacity: 1; }
  46% { opacity: 1; }
  54% { opacity: 0; }
  100% { opacity: 0; }
}

.hero-mark .draw-bar.pulse {
  animation: draw-bar 0.6s var(--ease) forwards, bar-pulse 3.6s var(--ease) 1s infinite;
}

@keyframes bar-pulse {
  0%, 94% { opacity: 1; }
  97% { opacity: 0.55; }
  100% { opacity: 1; }
}

/* ---------- Tabella di posizionamento ---------- */

.positioning-table {
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}

.positioning-table .pt-cell {
  padding: 18px 16px;
  font-size: 14px;
  border-top: 1px solid var(--mist);
  border-left: 1px solid var(--mist);
  color: var(--slate);
  display: flex;
  align-items: center;
}

.positioning-table .pt-cell:first-child { border-left: none; }
.positioning-table .pt-row-label { font-weight: 600; color: var(--ink); font-size: 14px; }

.positioning-table .pt-head {
  border-top: none;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate);
  background: var(--paper);
}

.positioning-table .pt-head.pt-glevantis {
  color: var(--white);
  background: var(--ink);
}

.positioning-table .pt-cell.pt-glevantis {
  background: var(--accent-tint);
  color: var(--ink);
  font-weight: 600;
  border-left: 1px solid #AECBFA;
}

/* ---------- Carousel casi ---------- */

.case-carousel-wrap {
  position: relative;
}

.case-carousel {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding-bottom: 8px;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.case-carousel::-webkit-scrollbar { display: none; }

.case-carousel > * {
  scroll-snap-align: start;
  flex: 0 0 min(420px, 86vw);
}

.carousel-fade {
  position: absolute;
  top: 0;
  bottom: 8px;
  width: 56px;
  pointer-events: none;
  z-index: 2;
}

.carousel-fade-left { left: 0; background: linear-gradient(90deg, var(--paper), rgba(246,247,249,0)); }
.carousel-fade-right { right: 0; background: linear-gradient(270deg, var(--paper), rgba(246,247,249,0)); }

.carousel-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--mist);
  background: var(--white);
  cursor: pointer;
  color: var(--ink);
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.carousel-nav:hover { border-color: var(--accent); background: var(--accent-tint); }
.carousel-nav:disabled { opacity: 0.35; cursor: default; }
.carousel-nav:disabled:hover { border-color: var(--mist); background: var(--white); }
.carousel-nav svg { width: 18px; height: 18px; }
.carousel-controls { display: flex; gap: 10px; margin-top: var(--space-3); }

/* ---------- Mockup di prodotto ---------- */

.mockup-card {
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.mockup-card-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--mist);
  background: var(--paper);
}

.mockup-card-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--stone);
}

.mockup-card-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: var(--accent-tint);
  padding: 3px 9px;
  border-radius: 5px;
}

.mockup-card-body { padding: 20px; }

.mockup-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-top: 1px solid var(--mist);
  font-size: 14px;
}

.mockup-row:first-child { border-top: none; }
.mockup-row .k { color: var(--slate); }
.mockup-row .v { font-weight: 600; color: var(--ink); }

/* ---------- Per chi è pensato ---------- */

.role-card {
  border-left: 2px solid var(--accent);
  padding: 4px 0 4px 20px;
}

.role-card h3 { font-size: 17px; margin-bottom: 6px; }
.role-card p { color: var(--slate); font-size: 15px; }

/* ---------- Settori (card) ---------- */

.sector-card {
  background: var(--white);
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: var(--space-3);
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.sector-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--accent); }
.sector-card h3 { font-size: 16px; margin-bottom: 6px; }
.sector-card p { font-size: 14px; color: var(--slate); margin: 0; }

/* ---------- Responsive ---------- */

@media (min-width: 640px) {
  .problem-list, .card-grid, .offer-grid, .contact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .card-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .card-grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .offer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .contact-grid { grid-template-columns: 1.1fr 0.9fr; }
}

@media (max-width: 680px) {
  .positioning-table { grid-template-columns: 1fr; }
  .positioning-table .pt-row-label { border-top: 1px solid var(--mist); padding-bottom: 4px; }
  .positioning-table .pt-cell:not(.pt-row-label) { border-left: none; padding-top: 4px; }
  .positioning-table .pt-head { display: none; }
  .positioning-table .pt-cell::before { content: attr(data-label) ": "; font-weight: 600; color: var(--ink); }
}

@media (max-width: 780px) {
  .main-nav { position: fixed; inset: 84px 0 0 0; background: var(--paper); flex-direction: column; align-items: flex-start; padding: var(--space-4) var(--space-3); gap: var(--space-4); transform: translateX(100%); transition: transform 0.2s ease; overflow-y: auto; }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: var(--space-3); width: 100%; }
  .nav-toggle { display: block; }
  .hero-mark { display: none; }
}

/* ---------- Motion: reveal on scroll ---------- */

.reveal {
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

.js .reveal {
  opacity: 0;
  transform: translateY(16px);
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.js body { opacity: 0; animation: page-in var(--dur) var(--ease) forwards; }
@keyframes page-in { to { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  body { opacity: 1; animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-mark .draw, .hero-mark .draw-bar { animation: none; stroke-dashoffset: 0; transform: none; }
  .hero-mark .packet { animation: none; opacity: 0; }
  .word { animation: none; opacity: 1; transform: none; }
  .problem-mark { transform: none; }
  .card:hover, .case-card:hover, .offer-card:hover, .btn:hover, .sector-card:hover { transform: none; }
  * { transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; }
}