/* ============================================================
   SVILUPPO WEB CHIERI — Foglio di stile principale
   Approccio: mobile-first, CSS vanilla, nessun framework
   ============================================================ */

/* ---------- VARIABILI E RESET ---------- */
:root {
  --clr-primary:    #1a3a5c;   /* blu notte istituzionale */
  --clr-accent:     #e85d26;   /* arancio caldo, CTA */
  --clr-accent-dk:  #c44d1a;
  --clr-bg:         #f7f6f3;   /* bianco caldo */
  --clr-white:      #ffffff;
  --clr-text:       #2c2c2c;
  --clr-muted:      #6b7280;
  --clr-border:     #ddd9d3;
  --clr-card-bg:    #ffffff;

  --font-head: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Sans 3', 'Helvetica Neue', Arial, sans-serif;

  --radius-sm:  6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm:  0 2px  8px rgba(0,0,0,.07);
  --shadow-md:  0 6px 24px rgba(0,0,0,.10);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.13);

  --max-w: 1100px;
  --nav-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--clr-primary); transition: color .2s; }
a:hover { color: var(--clr-accent); }

:focus-visible {
  outline: 3px solid var(--clr-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- LAYOUT UTILITIES ---------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.section {
  padding-block: 4rem;
}

.section--alt {
  background: var(--clr-white);
}

.section__header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section__label {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: .5rem;
}

.section__title {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--clr-primary);
  line-height: 1.25;
  margin-bottom: .75rem;
}

.section__sub {
  font-size: 1.05rem;
  color: var(--clr-muted);
  max-width: 580px;
  margin-inline: auto;
}

/* ---------- TIPOGRAFIA ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--clr-primary);
  line-height: 1.25;
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.4rem); }
h4 { font-size: 1.05rem; }

p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

/* ---------- BOTTONI ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .75rem 1.6rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .02em;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background .2s, color .2s, box-shadow .2s, transform .1s;
}

.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--clr-accent);
  color: var(--clr-white);
  border-color: var(--clr-accent);
}
.btn--primary:hover {
  background: var(--clr-accent-dk);
  border-color: var(--clr-accent-dk);
  color: var(--clr-white);
  box-shadow: var(--shadow-sm);
}

.btn--outline {
  background: transparent;
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}
.btn--outline:hover {
  background: var(--clr-primary);
  color: var(--clr-white);
}

.btn--outline-white {
  background: transparent;
  color: var(--clr-white);
  border-color: var(--clr-white);
}
.btn--outline-white:hover {
  background: var(--clr-white);
  color: var(--clr-primary);
}

/* ---------- HEADER / NAV ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--clr-white);
  border-bottom: 1px solid var(--clr-border);
  box-shadow: var(--shadow-sm);
  height: var(--nav-h);
  display: flex;
  align-items: center;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo__icon {
  width: 38px;
  height: 38px;
  background: var(--clr-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-white);
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -.03em;
}

.nav-logo__text {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-primary);
  line-height: 1.15;
}

.nav-logo__text span {
  display: block;
  font-size: .7rem;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--clr-muted);
  letter-spacing: .05em;
}

/* Menu desktop */
.nav-menu {
  list-style: none;
  display: none;
  align-items: center;
  gap: .15rem;
}

.nav-menu a {
  display: block;
  padding: .45rem .75rem;
  font-size: .9rem;
  font-weight: 600;
  color: var(--clr-text);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: background .15s, color .15s;
}
.nav-menu a:hover,
.nav-menu a.active {
  background: rgba(26,58,92,.08);
  color: var(--clr-primary);
}

.nav-cta {
  display: none;
}

/* Hamburger */
.nav-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-primary);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}

/* Menu mobile aperto */
.nav-menu--open {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--clr-white);
  border-bottom: 1px solid var(--clr-border);
  padding: 1rem 1.25rem 1.5rem;
  gap: .25rem;
  box-shadow: var(--shadow-md);
}

.nav-menu--open .nav-menu-cta {
  margin-top: .75rem;
}

/* ---------- HERO ---------- */
.hero {
  background: linear-gradient(135deg, var(--clr-primary) 0%, #0f2a47 100%);
  color: var(--clr-white);
  padding-block: 5rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(232,93,38,.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,.04) 0%, transparent 40%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  gap: 2.5rem;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--clr-accent);
  background: rgba(232,93,38,.12);
  border: 1px solid rgba(232,93,38,.3);
  border-radius: 100px;
  padding: .3rem .85rem;
  margin-bottom: .75rem;
}

.hero__title {
  font-family: var(--font-head);
  font-size: clamp(2.1rem, 5.5vw, 3.4rem);
  color: var(--clr-white);
  line-height: 1.18;
  margin-bottom: 1rem;
}

.hero__title em {
  font-style: normal;
  color: var(--clr-accent);
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,.82);
  max-width: 540px;
  margin-bottom: 2rem;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.hero__features {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.4rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.12);
}

.hero__feature {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .88rem;
  color: rgba(255,255,255,.75);
}

.hero__feature::before {
  content: '✓';
  color: var(--clr-accent);
  font-weight: 700;
}

/* Hero visual */
.hero__visual {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(4px);
}

.hero__visual-bar {
  display: flex;
  gap: .4rem;
  margin-bottom: 1rem;
}

.hero__visual-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.25);
}
.hero__visual-dot:nth-child(1) { background: #ff5f57; }
.hero__visual-dot:nth-child(2) { background: #febc2e; }
.hero__visual-dot:nth-child(3) { background: #28c840; }

.hero__visual-lines { display: flex; flex-direction: column; gap: .5rem; }

.hero__visual-line {
  height: 8px;
  border-radius: 4px;
  background: rgba(255,255,255,.15);
}
.hero__visual-line--accent { background: rgba(232,93,38,.45); width: 55%; }
.hero__visual-line--short { width: 35%; }
.hero__visual-line--med { width: 70%; }

/* ---------- CARD SERVIZI ---------- */
.services-grid {
  display: grid;
  gap: 1.25rem;
}

.service-card {
  background: var(--clr-card-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: box-shadow .25s, transform .25s;
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.service-card__icon {
  font-size: 2rem;
  margin-bottom: .85rem;
}

.service-card__title {
  margin-bottom: .5rem;
}

.service-card__text {
  font-size: .95rem;
  color: var(--clr-muted);
  margin-bottom: 1rem;
}

.service-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .3rem;
  font-size: .88rem;
  color: var(--clr-muted);
}
.service-card__list li::before {
  content: '→ ';
  color: var(--clr-accent);
  font-weight: 700;
}

/* ---------- WHY US / VALORI ---------- */
.values-grid {
  display: grid;
  gap: 1.5rem;
}

.value-item {
  display: flex;
  gap: 1rem;
}

.value-item__icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: rgba(26,58,92,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.value-item__title {
  font-size: 1rem;
  margin-bottom: .25rem;
}

.value-item__text {
  font-size: .92rem;
  color: var(--clr-muted);
  margin: 0;
}

/* ---------- TEAM CARDS ---------- */
.team-grid {
  display: grid;
  gap: 1.5rem;
}

.team-card {
  background: var(--clr-card-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  text-align: center;
}

.team-card__avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: var(--clr-border);
  margin-inline: auto;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--clr-muted);
  overflow: hidden;
}

.team-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card__name {
  margin-bottom: .2rem;
}

.team-card__role {
  font-size: .85rem;
  color: var(--clr-accent);
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: .75rem;
}

.team-card__bio {
  font-size: .9rem;
  color: var(--clr-muted);
  margin: 0;
}

/* ---------- PROCESSO ---------- */
.process-steps {
  display: grid;
  gap: 1.5rem;
  counter-reset: step;
}

.process-step {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  counter-increment: step;
}

.process-step__num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--clr-primary);
  color: var(--clr-white);
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.process-step__content h3 { margin-bottom: .3rem; }
.process-step__content p { font-size: .93rem; color: var(--clr-muted); margin: 0; }

/* ---------- PORTFOLIO / WIP ---------- */
.portfolio-wip {
  text-align: center;
  padding: 3.5rem 2rem;
  background: var(--clr-card-bg);
  border: 2px dashed var(--clr-border);
  border-radius: var(--radius-lg);
  max-width: 600px;
  margin-inline: auto;
}

.portfolio-wip__emoji { font-size: 3.5rem; margin-bottom: 1rem; }

/* ---------- CTA STRIP ---------- */
.cta-strip {
  background: linear-gradient(135deg, var(--clr-primary), #0f2a47);
  color: var(--clr-white);
  padding-block: 3.5rem;
  text-align: center;
}

.cta-strip h2 {
  color: var(--clr-white);
  margin-bottom: .75rem;
}

.cta-strip p {
  color: rgba(255,255,255,.8);
  margin-bottom: 1.75rem;
}

.cta-strip__btns {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: .85rem;
}

/* ---------- FORM CONTATTO ---------- */
.contact-layout {
  display: grid;
  gap: 2.5rem;
}

.contact-info__item {
  display: flex;
  gap: .85rem;
  margin-bottom: 1.25rem;
}

.contact-info__icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: .1rem;
}

.contact-info__label {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--clr-muted);
  margin-bottom: .15rem;
}

.contact-info__val {
  font-size: .95rem;
  color: var(--clr-text);
  font-weight: 600;
  margin: 0;
}

.contact-form {
  background: var(--clr-card-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}

.form-group label {
  font-size: .88rem;
  font-weight: 700;
  color: var(--clr-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: .65rem .9rem;
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--clr-text);
  background: var(--clr-bg);
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(26,58,92,.12);
}

.form-group textarea { resize: vertical; min-height: 130px; }

.form-check {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .85rem;
  color: var(--clr-muted);
  margin-bottom: 1.25rem;
}

.form-check input[type="checkbox"] { margin-top: .2rem; flex-shrink: 0; }
.form-check a { color: var(--clr-primary); }

.form-success {
  display: none;
  background: #d1fae5;
  border: 1px solid #6ee7b7;
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  font-weight: 600;
  color: #065f46;
  margin-top: 1rem;
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: #111827;
  color: rgba(255,255,255,.65);
  padding-block: 2.5rem 1.25rem;
  font-size: .88rem;
}

.footer-inner {
  display: grid;
  gap: 2rem;
}

.footer-brand__logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: .85rem;
  text-decoration: none;
}

.footer-brand__logo .nav-logo__icon { background: var(--clr-accent); }

.footer-brand__logo .nav-logo__text {
  color: var(--clr-white);
}

.footer-brand__logo .nav-logo__text span { color: rgba(255,255,255,.5); }

.footer-brand p { line-height: 1.6; }

.footer-nav h4, .footer-contact h4 {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.9);
  margin-bottom: .75rem;
}

.footer-nav ul { list-style: none; display: flex; flex-direction: column; gap: .4rem; }

.footer-nav a {
  color: rgba(255,255,255,.6);
  text-decoration: none;
  transition: color .2s;
}
.footer-nav a:hover { color: var(--clr-accent); }

.footer-contact p { margin-bottom: .35rem; }

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  justify-content: space-between;
  font-size: .8rem;
  color: rgba(255,255,255,.35);
}

.footer-bottom a { color: rgba(255,255,255,.45); text-decoration: none; }
.footer-bottom a:hover { color: var(--clr-accent); }

/* ---------- PAGE HERO (inner pages) ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--clr-primary) 0%, #0f2a47 100%);
  padding-block: 3.5rem 3rem;
  color: var(--clr-white);
}

.page-hero h1 { color: var(--clr-white); margin-bottom: .5rem; }
.page-hero p { color: rgba(255,255,255,.75); margin: 0; font-size: 1.05rem; }

/* ---------- BREADCRUMB ---------- */
.breadcrumb {
  font-size: .82rem;
  color: rgba(255,255,255,.55);
  margin-bottom: .75rem;
  display: flex;
  gap: .4rem;
  flex-wrap: wrap;
}
.breadcrumb a { color: rgba(255,255,255,.7); text-decoration: none; }
.breadcrumb a:hover { color: var(--clr-white); }

/* ---------- POLICY PAGES ---------- */
.policy-content {
  max-width: 760px;
  margin-inline: auto;
  padding-block: 3rem;
}

.policy-content h2 { font-size: 1.3rem; margin-block: 1.5rem .5rem; }
.policy-content p, .policy-content li { font-size: .95rem; color: var(--clr-muted); }
.policy-content ul { padding-left: 1.5rem; margin-bottom: 1rem; }

.todo-tag {
  display: inline-block;
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
  border-radius: 4px;
  padding: .1rem .5rem;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .05em;
}

/* ---------- ALERT / NOTICE ---------- */
.alert {
  border-radius: var(--radius-sm);
  padding: .9rem 1.1rem;
  font-size: .9rem;
  margin-bottom: 1rem;
}
.alert--warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert--info    { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }

/* ============================================================
   RESPONSIVE — Tablet e Desktop
   ============================================================ */

@media (min-width: 640px) {
  .services-grid   { grid-template-columns: repeat(2, 1fr); }
  .values-grid     { grid-template-columns: repeat(2, 1fr); }
  .team-grid       { grid-template-columns: repeat(2, 1fr); }
  .process-steps   { grid-template-columns: repeat(2, 1fr); }
  .form-row--two   { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .nav-toggle  { display: none; }
  .nav-menu    { display: flex !important; }
  .nav-cta     { display: flex; }

  .hero__inner       { grid-template-columns: 1fr 1fr; align-items: center; }
  .contact-layout    { grid-template-columns: 1fr 2fr; }
  .footer-inner      { grid-template-columns: 2fr 1fr 1fr; }
}

@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .section       { padding-block: 5.5rem; }
}