/* ==========================================================================
   Dialettica — style.css
   Design system: blu notte / blu petrolio / verde acqua / ciano / grafite
   ========================================================================== */

:root {
  --notte: #070B14;
  --notte-soft: #0B1220;
  --notte-surface: #101828;
  --petrolio: #0E3B3E;
  --petrolio-dark: #082425;
  --brand-blue: #00AEEF;
  --brand-blue-soft: #5CCBF5;
  --brand-blue-dim: #063A52;
  --brand-pink: #EC008C;
  --brand-pink-soft: #FF66B8;
  --brand-green: #A6CE39;
  --brand-green-soft: #C3E070;
  --grafite: #2A2E35;
  --grafite-light: #4B5563;
  --grafite-muted: #8B96A5;
  --avorio: #EDF2F5;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --container-width: 1280px;
  --radius: 1rem;
  --radius-lg: 1.5rem;
  color-scheme: dark;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background-color: var(--notte);
  color: var(--avorio);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; margin: 0; color: var(--avorio); }
p { margin: 0; }

::selection { background: rgba(0, 174, 239, 0.28); color: var(--avorio); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, select:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--brand-blue);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: .5rem;
  z-index: 200;
  background: var(--brand-blue);
  color: var(--notte);
  padding: .6rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  transition: top .2s ease;
}
.skip-link:focus { top: .5rem; }

.container {
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}
@media (min-width: 768px) {
  .container { padding-inline: 2.5rem; }
}

.eyebrow {
  font-family: var(--font-mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  font-size: .72rem;
  color: var(--brand-blue-soft);
  display: block;
  margin-bottom: 1rem;
}

.accent { color: var(--brand-blue); }

.text-gradient {
  background: linear-gradient(100deg, var(--brand-pink) 0%, var(--brand-blue) 50%, var(--brand-green) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* --- Sfondo a griglia + glow radiale (usati nella hero) --- */
.bg-grid {
  background-image:
    linear-gradient(to bottom, rgba(0,174,239,0.06) 1px, transparent 1px),
    linear-gradient(to right, rgba(0,174,239,0.06) 1px, transparent 1px);
  background-size: 56px 56px;
}
.bg-radial-glow {
  background-image: radial-gradient(circle at 50% 0%, rgba(0,174,239,0.14), transparent 60%);
}

/* --- Glassmorphism --- */
.glass {
  background: rgba(16, 24, 40, 0.55);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
}
.glass-strong {
  background: rgba(16, 24, 40, 0.82);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.1);
}

/* ==========================================================================
   Pulsanti
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-size: .875rem;
  font-weight: 600;
  padding: .95rem 1.9rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform .25s ease, background-color .25s ease, color .25s ease, border-color .25s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--brand-blue); color: var(--notte); }
.btn-primary:hover { transform: scale(1.04); }
.btn-outline {
  border-color: rgba(0,174,239,0.4);
  background: rgba(0,174,239,0.1);
  color: var(--brand-blue);
}
.btn-outline:hover { background: var(--brand-blue); color: var(--notte); }
.btn-ghost {
  border-color: rgba(255,255,255,0.15);
  color: var(--avorio);
}
.btn-ghost:hover { border-color: rgba(0,174,239,0.4); color: var(--brand-blue); }

/* ==========================================================================
   Navbar
   ========================================================================== */
.navbar {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  transition: background-color .4s ease, backdrop-filter .4s ease, box-shadow .4s ease;
}
.navbar.is-scrolled {
  background: rgba(16, 24, 40, 0.82);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 8px 32px rgba(0,0,0,0.35);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
}
.navbar-logo {
  display: inline-flex;
  align-items: center;
}
.navbar-logo-img {
  height: 2.5rem;
  width: auto;
  display: block;
}
.navbar-links {
  display: none;
  align-items: center;
  gap: 2rem;
}
.navbar-links a {
  font-size: .875rem;
  font-weight: 500;
  color: var(--grafite-muted);
  transition: color .2s ease;
}
.navbar-links a:hover, .navbar-links a.is-active { color: var(--brand-blue); }
.navbar-cta { display: none; }
.navbar-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  padding: 0;
}
.navbar-toggle span {
  display: block;
  height: 2px;
  background: var(--avorio);
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.navbar-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.navbar-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.navbar-mobile {
  max-height: 0;
  overflow: hidden;
  background: rgba(16, 24, 40, 0.95);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: max-height .35s ease;
}
.navbar-mobile.is-open { max-height: 480px; }
.navbar-mobile ul { padding: 1rem 1.5rem 1.5rem; display: flex; flex-direction: column; gap: .25rem; }
.navbar-mobile a {
  display: block;
  padding: .75rem .5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: .5rem;
  color: var(--avorio);
}
.navbar-mobile a:hover { background: rgba(0,174,239,0.1); color: var(--brand-blue); }

@media (min-width: 1024px) {
  .navbar-links { display: flex; }
  .navbar-cta { display: inline-flex; }
  .navbar-toggle { display: none; }
  .navbar-mobile { display: none; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 5rem;
}
.hero-bg-gradient {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, var(--notte), var(--notte-soft), var(--notte));
}
.hero-bg-glow {
  position: absolute; inset: 0;
  background-size: 200% 200%;
  animation: gradientShift 18s ease infinite;
}
.hero-bg-grid { position: absolute; inset: 0; opacity: .4; }
#networkCanvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .7; pointer-events: none; }

.hero-mark {
  position: absolute;
  right: -4%;
  top: 8%;
  width: min(34vw, 480px);
  opacity: .16;
  filter: saturate(1.1);
  pointer-events: none;
  animation: float 9s ease-in-out infinite;
  z-index: 0;
}
@media (max-width: 768px) {
  .hero-mark { width: 46vw; top: 4%; right: -10%; opacity: .12; }
}

.hero-content { position: relative; z-index: 1; padding-block: 5rem; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  border: 1px solid rgba(0,174,239,0.2);
  background: rgba(0,174,239,0.05);
  padding: .4rem 1rem;
  border-radius: 999px;
  margin: 0;
}
.hero-title {
  margin-top: 2rem;
  max-width: 56rem;
  font-size: clamp(2.25rem, 5vw, 4.5rem);
  line-height: 1.08;
}
.hero-lead {
  margin-top: 1.75rem;
  max-width: 38rem;
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  color: var(--grafite-muted);
  line-height: 1.7;
}
.hero-actions {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
@media (min-width: 640px) { .hero-actions { flex-direction: row; } }

.hero-stats {
  margin-top: 5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 2.5rem;
}
@media (min-width: 640px) { .hero-stats { grid-template-columns: repeat(4, 1fr); } }
.hero-stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2vw, 1.875rem);
  font-weight: 600;
  color: var(--brand-blue);
}
.hero-stat-label { margin-top: .25rem; font-size: .85rem; color: var(--grafite-muted); }

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

/* ==========================================================================
   Sezioni generiche
   ========================================================================== */
.section { padding-block: 6rem; }
.section-tight { padding-block: 3rem; }
.section-heading { max-width: 42rem; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); line-height: 1.25; }
.section-heading p { margin-top: 1rem; font-size: 1rem; color: var(--grafite-muted); line-height: 1.7; }
@media (min-width: 768px) { .section-heading p { font-size: 1.125rem; } }

/* --- Reveal on scroll (attivato via JS con IntersectionObserver) --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal.delay-1 { transition-delay: .1s; }
.reveal.delay-2 { transition-delay: .2s; }
.reveal.delay-3 { transition-delay: .3s; }
.reveal.delay-4 { transition-delay: .4s; }

/* ==========================================================================
   Grid layout utility
   ========================================================================== */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1280px) {
  .grid-lg-2 { grid-template-columns: 1.3fr 1fr; align-items: center; }
}

/* ==========================================================================
   Card servizio
   ========================================================================== */
.card-service {
  position: relative;
  overflow: hidden;
  padding: 1.75rem;
  transition: transform .3s ease, border-color .3s ease;
}
.card-service:hover { transform: translateY(-6px); border-color: rgba(0,174,239,0.3); }
.card-service::before {
  content: '';
  position: absolute; top: -2rem; right: -2rem;
  width: 7rem; height: 7rem;
  border-radius: 50%;
  background: rgba(0,174,239,0.1);
  filter: blur(24px);
  transition: background .4s ease;
}
.card-service:hover::before { background: rgba(0,174,239,0.2); }
.card-service-icon {
  display: inline-flex;
  padding: .75rem;
  border-radius: .75rem;
  border: 1px solid rgba(0,174,239,0.2);
  background: rgba(0,174,239,0.1);
  color: var(--brand-blue);
  margin-bottom: 1.25rem;
  transition: transform .3s ease;
}
.card-service:hover .card-service-icon { transform: scale(1.1); }

/* Rotazione a tre colori sulle icone, in eco ai tre nastri del logo */
.grid .card-service:nth-child(3n+2) .card-service-icon {
  border-color: rgba(236,0,140,0.25); background: rgba(236,0,140,0.1); color: var(--brand-pink);
}
.grid .card-service:nth-child(3n+2):hover::before { background: rgba(236,0,140,0.2); }
.grid .card-service:nth-child(3n+2):hover { border-color: rgba(236,0,140,0.3); }
.grid .card-service:nth-child(3n) .card-service-icon {
  border-color: rgba(166,206,57,0.3); background: rgba(166,206,57,0.12); color: var(--brand-green);
}
.grid .card-service:nth-child(3n):hover::before { background: rgba(166,206,57,0.22); }
.grid .card-service:nth-child(3n):hover { border-color: rgba(166,206,57,0.35); }

.card-service h3 { font-size: 1.125rem; }
.card-service p { margin-top: .6rem; font-size: .9rem; color: var(--grafite-muted); line-height: 1.65; }
.card-service ul { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,0.06); }
.card-service li {
  display: flex; align-items: flex-start; gap: .5rem;
  font-size: .78rem; color: var(--grafite-muted); margin-bottom: .35rem;
}
.card-service li::before {
  content: ''; width: 4px; height: 4px; border-radius: 50%;
  background: var(--brand-blue); margin-top: .5rem; flex-shrink: 0;
}

/* ==========================================================================
   Card progetto
   ========================================================================== */
.card-project { overflow: hidden; transition: transform .3s ease, border-color .3s ease; }
.card-project:hover { transform: translateY(-6px); border-color: rgba(0,174,239,0.3); }
.card-project-cover {
  position: relative;
  height: 11rem;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--petrolio-dark), var(--notte-surface), var(--notte));
}
.card-project-cover span { position: relative; font-family: var(--font-display); font-size: .875rem; color: rgba(0,174,239,0.7); }
.card-project-body { padding: 1.5rem; }
.card-project-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: .5rem; }
.tag-pill {
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  padding: .1rem .65rem;
  font-family: var(--font-mono);
  font-size: .625rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--grafite-muted);
}
.card-project h3 { font-size: 1.125rem; }
.card-project p { margin-top: .5rem; font-size: .875rem; color: var(--grafite-muted); line-height: 1.6; }
.card-project-links {
  margin-top: 1.25rem; padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex; flex-wrap: wrap; gap: 1rem; font-size: .75rem;
}
.card-project-links a { color: var(--grafite-muted); font-weight: 600; }
.card-project-links a:hover { color: var(--brand-blue); }

/* --- Filtro categorie progetti --- */
.filter-bar { display: flex; flex-wrap: wrap; gap: .5rem; }
.filter-btn {
  border: 1px solid rgba(255,255,255,0.1);
  background: transparent;
  color: var(--grafite-muted);
  border-radius: 999px;
  padding: .5rem 1rem;
  font-size: .75rem;
  font-weight: 500;
  transition: all .2s ease;
}
.filter-btn:hover { border-color: rgba(0,174,239,0.4); color: var(--brand-blue); }
.filter-btn.is-active { border-color: var(--brand-blue); background: var(--brand-blue); color: var(--notte); }

/* ==========================================================================
   Timeline (curriculum)
   ========================================================================== */
.timeline { position: relative; margin-left: .75rem; padding-left: 2rem; border-left: 1px solid rgba(255,255,255,0.1); }
.timeline-item { position: relative; padding-bottom: 3rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute; left: -2.55rem; top: .25rem;
  width: .75rem; height: .75rem; border-radius: 50%;
  border: 2px solid var(--brand-blue); background: var(--notte);
}
.timeline-period { font-family: var(--font-mono); font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--brand-blue); }
.timeline-item h3 { margin-top: .35rem; font-size: 1.125rem; }
.timeline-item p { margin-top: .5rem; max-width: 40rem; font-size: .9rem; color: var(--grafite-muted); line-height: 1.65; }

.skill-pill {
  display: inline-block;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  padding: .5rem 1rem;
  font-size: .75rem;
  font-weight: 500;
  color: var(--grafite-muted);
  transition: all .2s ease;
}
.skill-pill:hover { border-color: rgba(0,174,239,0.4); color: var(--brand-blue); }

/* ==========================================================================
   CTA banner
   ========================================================================== */
.cta-banner {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 3.5rem 2.5rem;
  border: 1px solid rgba(0,174,239,0.15);
  background: linear-gradient(135deg, var(--petrolio-dark), var(--notte-surface), var(--notte));
}
@media (min-width: 768px) { .cta-banner { padding: 4.5rem 3.5rem; } }
.cta-banner-content { position: relative; z-index: 1; }
.cta-mark {
  position: absolute;
  right: -2%;
  bottom: -18%;
  width: 220px;
  max-width: 30%;
  opacity: .14;
  pointer-events: none;
  z-index: 0;
}
.cta-banner h2 { max-width: 40rem; margin-inline: auto; font-size: clamp(1.75rem, 3vw, 2.25rem); }
.cta-banner p { max-width: 34rem; margin: 1rem auto 0; color: var(--grafite-muted); font-size: clamp(1rem, 1.3vw, 1.125rem); }
.cta-banner .btn { margin-top: 2rem; }

/* ==========================================================================
   Form contatti
   ========================================================================== */
.contact-form { padding: 2.5rem; }
@media (min-width: 768px) { .contact-form { padding: 3rem; } }
.form-grid { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 768px) { .form-grid { grid-template-columns: repeat(2, 1fr); } }
.form-full { grid-column: 1 / -1; }
.form-field label { display: block; margin-bottom: .5rem; font-size: .875rem; font-weight: 500; color: var(--avorio); }
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(16,24,40,0.6);
  color: var(--avorio);
  padding: .8rem 1rem;
  border-radius: .5rem;
  font-family: var(--font-body);
  font-size: .875rem;
}
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--grafite-light); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: rgba(0,174,239,0.5); outline: none;
}
.form-note { margin-top: 1rem; font-size: .75rem; color: var(--grafite-muted); }
.form-note a { text-decoration: underline; }
.form-note a:hover { color: var(--brand-blue); }

.form-success {
  display: flex; flex-direction: column; align-items: center; gap: .75rem;
  text-align: center; padding: 3rem;
}
.form-success h3 { font-size: 1.125rem; }
.form-success p { max-width: 22rem; font-size: .9rem; color: var(--grafite-muted); }

.form-error {
  border: 1px solid rgba(248,113,113,0.4);
  background: rgba(248,113,113,0.08);
  color: #fca5a5;
  padding: 1rem 1.25rem;
  border-radius: .75rem;
  font-size: .85rem;
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   Contatti — colonna recapiti + mappa
   ========================================================================== */
.contact-info { padding: 1.75rem; }
.contact-info ul { display: flex; flex-direction: column; gap: 1.25rem; font-size: .9rem; }
.contact-info li { display: flex; align-items: flex-start; gap: .75rem; color: var(--grafite-muted); }
.contact-info a:hover { color: var(--brand-blue); }
.contact-social { display: flex; gap: .75rem; margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.06); }
.contact-social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.4rem; height: 2.4rem;
  border: 1px solid rgba(255,255,255,0.1); border-radius: 50%;
  color: var(--grafite-muted); font-size: .75rem; font-weight: 700;
}
.contact-social a:hover { border-color: rgba(0,174,239,0.4); color: var(--brand-blue); }
.map-wrap { overflow: hidden; margin-top: 1.5rem; }
.map-wrap iframe { width: 100%; height: 320px; border: 0; display: block; filter: grayscale(15%); }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { border-top: 1px solid rgba(255,255,255,0.05); background: var(--notte-soft); }
.footer-grid {
  display: grid; gap: 3rem;
  grid-template-columns: 1fr;
  padding-block: 4rem;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; } }
.footer-logo-img { height: 2.75rem; width: auto; }
.footer-tagline { margin-top: 1rem; max-width: 20rem; font-size: .875rem; line-height: 1.65; color: var(--grafite-muted); }
.footer-social { display: flex; gap: 1rem; margin-top: 1.5rem; }
.footer-social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.4rem; height: 2.4rem;
  border: 1px solid rgba(255,255,255,0.1); border-radius: 50%;
  color: var(--grafite-muted); font-size: .7rem; font-weight: 700;
}
.footer-social a:hover { border-color: rgba(0,174,239,0.4); color: var(--brand-blue); }
.footer-col .eyebrow { margin-bottom: 1rem; }
.footer-col ul { display: flex; flex-direction: column; gap: .75rem; }
.footer-col a { font-size: .875rem; color: var(--grafite-muted); }
.footer-col a:hover { color: var(--brand-blue); }
.footer-contacts li { font-size: .875rem; color: var(--grafite-muted); line-height: 1.5; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); }
.footer-bottom-inner {
  display: flex; flex-direction: column; gap: .75rem;
  align-items: center; justify-content: space-between;
  padding-block: 1.5rem;
  font-size: .75rem; color: var(--grafite-muted);
}
@media (min-width: 768px) { .footer-bottom-inner { flex-direction: row; } }

/* ==========================================================================
   Pagina 404
   ========================================================================== */
.page-404 {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
}
.page-404 h1 { font-size: clamp(2rem, 4vw, 3rem); margin-top: .5rem; }
.page-404 p { margin-top: 1rem; max-width: 26rem; color: var(--grafite-muted); font-size: .9rem; }
.page-404 .btn { margin-top: 2rem; }

/* ==========================================================================
   Contenuto legale (privacy/cookie)
   ========================================================================== */
.legal-content { max-width: 48rem; }
.legal-content h2 { font-size: 1.125rem; margin-top: 2rem; }
.legal-content p { margin-top: .75rem; font-size: .9rem; line-height: 1.7; color: var(--grafite-muted); }

/* Utility spaziatura pagina (hero interno di pagine non-home) */
.page-hero { padding-top: 9rem; padding-bottom: 3rem; }
@media (min-width: 768px) { .page-hero { padding-top: 11rem; padding-bottom: 4rem; } }
.page-hero h1 { font-size: clamp(2.25rem, 4vw, 3rem); line-height: 1.2; max-width: 48rem; }
.page-hero p.lead { margin-top: 1.5rem; max-width: 40rem; font-size: 1.05rem; line-height: 1.7; color: var(--grafite-muted); }