/* =========================================================================
   Kappa Consulting S.r.l. — style.css
   CSS vanilla, mobile-first, nessuna dipendenza esterna (sez. 5 spec).
   Palette blu/tech (proposta in fase di sviluppo, da validare col cliente —
   vedi sez. 10 punto 3 della spec).
   ========================================================================= */

:root {
  /* Palette */
  --color-primary: #0EA5E9;
  --color-primary-dark: #0C4A6E;
  --color-secondary: #38BDF8;
  --color-accent: #F97316;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F0F9FF;
  --color-text: #0C4A6E;
  --color-text-muted: #475569;
  --color-border: #E2E8F0;
  --color-white: #FFFFFF;

  /* Palette Hero "rete di nodi" (sez. 5.1 spec, approvata 19/07/2026) */
  --ink: #081627;
  --ink2: #0d2340;
  --cyan: #3dd6e8;
  --cyan-dim: #1a8fa0;
  --paper: #f5f9fb;
  --slate: #5a6b7a;

  /* Tipografia: font stack di sistema, nessun CDN (sez. 5 spec) */
  --font-heading: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-body: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, monospace;

  /* Spaziatura / layout */
  --container-max: 1180px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --header-height: 116px;
  --shadow-sm: 0 1px 3px rgba(12, 74, 110, 0.08);
  --shadow-md: 0 8px 24px rgba(12, 74, 110, 0.12);
  --transition-fast: 180ms ease;
}

/* ---------- Reset minimo ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, p, ul, ol, figure { margin: 0; padding: 0; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Scroll reveal (progressive enhancement: senza JS tutto resta visibile) ---------- */
.reveal { opacity: 1; transform: none; }
.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.js .reveal.is-visible { opacity: 1; transform: none; }
.js .reveal--1 { transition-delay: 0.08s; }
.js .reveal--2 { transition-delay: 0.16s; }
.js .reveal--3 { transition-delay: 0.24s; }
.js .reveal--4 { transition-delay: 0.32s; }
.js .reveal--5 { transition-delay: 0.4s; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-heading); color: var(--color-primary-dark); line-height: 1.25; }
h1 { font-size: clamp(1.9rem, 4vw + 1rem, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 2.5vw + 1rem, 2.4rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { max-width: 70ch; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 20px;
}

.section { padding-block: 64px; scroll-margin-top: var(--header-height); }
.section--paper { background: var(--paper); }
.section--dark { background: var(--ink); color: var(--color-white); }
.section--dark h2, .section--dark h3 { color: var(--color-white); }
.section--dark .section-eyebrow,
.section--dark .section-eyebrow::before { color: var(--cyan); background: var(--cyan); }
.section-header { max-width: 640px; margin-bottom: 40px; }
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  color: var(--cyan-dim);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan-dim);
  display: inline-block;
}
.section-text { color: var(--slate); margin-top: 14px; }

/* ---------- Divisore ondulato Hero -> sezione chiara (sez. 5.3 spec) ---------- */
.divider { position: relative; margin-top: -2px; line-height: 0; background: var(--ink); }
.divider svg { display: block; width: 100%; height: 44px; }
.divider-path { fill: var(--paper); }
@media (min-width: 768px) {
  .divider svg { height: 70px; }
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: 12px 18px;
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: 1000;
}
.skip-link:focus {
  left: 0;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------- Bottoni ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  min-height: 48px;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover { background: #EA6A0C; box-shadow: var(--shadow-md); }
.btn--outline {
  background: transparent;
  border-color: var(--color-white);
  color: var(--color-white);
}
.btn--outline:hover { background: rgba(255, 255, 255, 0.12); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 0 rgba(12, 74, 110, 0);
  z-index: 500;
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}
.site-header.is-scrolled {
  border-bottom-color: transparent;
  box-shadow: var(--shadow-sm);
}
.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand { display: inline-flex; align-items: center; }
.nav-brand-logo { height: 95px; width: auto; display: block; }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-primary-dark);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.nav-toggle-icon { position: relative; }
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}
.nav-toggle-icon::before { top: -7px; }
.nav-toggle-icon::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after { transform: translateY(-7px) rotate(-45deg); }

.nav-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  padding: 12px 20px 20px;
  gap: 4px;
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
}
.nav-menu.is-open {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}
.nav-link {
  display: block;
  padding: 12px 8px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  color: var(--color-text);
  min-height: 44px;
}
.nav-link:hover, .nav-link.is-active { color: var(--color-primary); background: var(--color-bg-alt); }
.nav-cta { margin-top: 8px; }

/* ---------- Hero (sez. 5.1 spec — rete di nodi + pannello foto diagonale) ---------- */
.hero {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 640px;
  min-height: 100vh;
  padding-top: var(--header-height);
  background: radial-gradient(ellipse 90% 70% at 25% 15%, var(--ink2) 0%, var(--ink) 55%, #050c17 100%);
  color: var(--color-white);
}
.hero #net {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.85;
  z-index: 1;
}
.hero-split {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr;
  flex: 1;
  min-height: 0;
}
.hero-left {
  position: relative;
  z-index: 5;
  padding: 40px 24px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1.5px;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px 2px var(--cyan-dim);
  display: inline-block;
  animation: eyebrow-pulse 2.4s ease-in-out infinite;
}
@media (prefers-reduced-motion: reduce) {
  .eyebrow::before { animation: none; }
}
@keyframes eyebrow-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero h1 {
  color: var(--color-white);
  font-size: clamp(1.9rem, 4vw + 1rem, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  max-width: 620px;
}
.hero h1 em { font-style: normal; color: var(--cyan); }
.hero-lead {
  color: #c3d2df;
  font-size: 1.05rem;
  line-height: 1.6;
  margin-top: 20px;
  max-width: 480px;
}
.hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 14px 26px;
  border-radius: 7px;
  border: none;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.btn-primary { background: var(--cyan); color: #04222b; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px -8px rgba(61, 214, 232, 0.5); }
.btn-secondary { border: 1px solid rgba(255, 255, 255, 0.25); color: var(--color-white); font-weight: 600; }
.btn-secondary:hover { border-color: var(--cyan); background: rgba(61, 214, 232, 0.08); }
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 38px;
}
.hero-stats .stat b {
  display: block;
  color: var(--color-white);
  font-size: 1.3rem;
  font-family: var(--font-mono);
}
.hero-stats .stat span { color: #8ea3b6; font-size: 0.8rem; }

.hero-right { position: relative; z-index: 4; min-height: 280px; }
.clip {
  position: absolute;
  inset: 0;
  overflow: hidden;
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
  background: linear-gradient(160deg, #123a52, #0a2036 55%, #061422);
  border-left: 1px solid rgba(61, 214, 232, 0.25);
}
.clip::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(8, 22, 39, 0.92) 0%, rgba(8, 22, 39, 0.2) 34%, rgba(8, 22, 39, 0) 58%);
}
.hero-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) sepia(1) hue-rotate(165deg) saturate(2.2) brightness(0.55) contrast(1.15);
}

svg.blueprint { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 4; pointer-events: none; }
.bp-line { stroke: var(--cyan); stroke-width: 1; opacity: 0.5; }
.bp-dot { fill: var(--cyan); }
.bp-label { fill: #8fd8e4; font-family: var(--font-mono); font-size: 10px; opacity: 0.75; }

.badge-float {
  position: absolute;
  z-index: 6;
  background: rgba(8, 20, 35, 0.85);
  border: 1px solid rgba(61, 214, 232, 0.35);
  border-radius: 9px;
  padding: 11px 15px;
  backdrop-filter: blur(6px);
  color: #dceaf1;
  font-size: 12px;
  box-shadow: 0 12px 28px -8px rgba(0, 0, 0, 0.5);
}
.badge-1 { top: 10%; right: 8%; }
.badge-2 { bottom: 10%; right: 20%; }
.badge-float b { display: block; font-family: var(--font-mono); color: var(--cyan); font-size: 14px; }

.term-tag {
  position: absolute;
  z-index: 6;
  top: 16px;
  left: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(8, 20, 35, 0.85);
  border: 1px solid rgba(61, 214, 232, 0.3);
  border-radius: 6px;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: #8fd8e4;
}
.term-tag .dotr { width: 6px; height: 6px; border-radius: 50%; background: #3a4a5a; }

@media (min-width: 900px) {
  .hero-split { grid-template-columns: 56% 44%; }
  .hero-left { padding: 30px 4% 50px 92px; }
  .hero-stats { gap: 34px; }
  .badge-1 { top: 12%; right: 8%; }
  .badge-2 { bottom: 14%; right: 22%; }
  .term-tag { top: 20px; left: 24px; }
}

/* ---------- Chi Siamo (sez. 5.3 spec) ---------- */
.about-grid {
  display: grid;
  gap: 40px;
  align-items: center;
}
.about-image {
  aspect-ratio: 4 / 3;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 20px 50px -20px rgba(8, 22, 39, 0.35);
}
/* Duotone attenuato rispetto all'Hero (sez. 5.3): saturazione/contrasto ridotti,
   luminosità aumentata per non appesantire un frame più piccolo. */
.about-image img {
  filter: grayscale(1) sepia(1) hue-rotate(165deg) saturate(1.6) brightness(0.85) contrast(1.05);
}
.about-list {
  margin-top: 20px;
  display: grid;
  gap: 12px;
}
.about-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--slate);
}
.check-icon {
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  color: var(--cyan-dim);
}
.pillars {
  list-style: none;
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.pillar {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.pillar .num {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(61, 214, 232, 0.12);
  color: var(--cyan-dim);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pillar h3 { margin-bottom: 4px; font-size: 0.98rem; }
.pillar p { color: var(--slate); font-size: 0.9rem; margin: 0; }

/* ---------- Servizi (sez. 5.3 spec) ---------- */
.cards {
  display: grid;
  gap: 26px;
  margin-top: 8px;
}
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-dim));
}
.card.reveal:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -18px rgba(8, 22, 39, 0.25); }
.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: rgba(61, 214, 232, 0.12);
  color: var(--cyan-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.card-icon svg { width: 22px; height: 22px; }
.card h3 { color: var(--color-primary-dark); font-size: 1.1rem; margin-bottom: 10px; }
.card p { color: var(--slate); font-size: 0.9rem; line-height: 1.55; margin-bottom: 14px; }
.dash-list {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.dash-list li {
  font-size: 0.85rem;
  color: var(--slate);
  padding-left: 18px;
  position: relative;
}
.dash-list li::before {
  content: "\2014";
  position: absolute;
  left: 0;
  color: var(--cyan-dim);
}

/* Correzione immagini deformate (sez. 5.2 spec): contenitore ad aspect-ratio fissa
   + object-fit:cover ovunque, mai stiramento. */
.about-image img,
.contact-info-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- Perché Sceglierci (sez. 5.3 spec — sezione scura "bookend" con Hero/Footer) ---------- */
.why-grid {
  display: grid;
  gap: 20px;
  margin-top: 36px;
}
.why-card {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
}
/* Specificità pari a ".js .reveal" (2 classi) per vincere sulla sua regola
   "transition" (altrimenti lo shorthand della card viene scartato per intero
   — stesso bug già risolto su .service-card:hover). */
.why-card.reveal {
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
}
/* Specificità pari a ".js .reveal.is-visible" (3 classi): senza questo, una volta
   che la card è stata rivelata dallo scroll, "transform: none" di quella regola
   vince su "scale(1.05)" e l'hover non si vede mai (bug segnalato dall'utente). */
.why-card.reveal:hover {
  transform: scale(1.05);
  border-color: rgba(61, 214, 232, 0.4);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 16px 34px -16px rgba(0, 0, 0, 0.45);
}
.why-num {
  display: block;
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 1.4rem;
  margin-bottom: 10px;
}
.counter { font-variant-numeric: tabular-nums; color: var(--cyan); }
.why-card h3 { color: var(--color-white); font-size: 0.98rem; margin-bottom: 6px; }
.why-card p { color: #a9bccb; font-size: 0.85rem; line-height: 1.5; margin: 0; }

/* ---------- Contatti (sez. 5.3 spec) ---------- */
.contact-grid {
  display: grid;
  gap: 40px;
}
.contact-info { display: block; }
.contact-info-image {
  aspect-ratio: 4 / 3;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 20px 50px -20px rgba(8, 22, 39, 0.35);
  margin-bottom: 20px;
}
.info-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 6px 24px;
  box-shadow: 0 20px 50px -20px rgba(8, 22, 39, 0.12);
}
.contact-block {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid #eef2f4;
}
.contact-block:last-child { border-bottom: none; }
.contact-icon {
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(61, 214, 232, 0.12);
  color: var(--cyan-dim);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-icon svg { width: 16px; height: 16px; }
.contact-block h3 { font-size: 0.92rem; margin-bottom: 3px; color: var(--color-primary-dark); }
.contact-block p { color: var(--slate); font-size: 0.9rem; margin: 0; }

.contact-form {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 28px;
  box-shadow: 0 20px 50px -20px rgba(8, 22, 39, 0.12);
  display: grid;
  gap: 18px;
}
.form-field { display: grid; gap: 6px; }
.form-field label { font-weight: 600; font-size: 0.92rem; color: var(--color-primary-dark); }
.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font: inherit;
  color: var(--color-text);
  background: var(--color-white);
  min-height: 48px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-field textarea { min-height: 130px; resize: vertical; }
.form-field input:focus, .form-field textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(61, 214, 232, 0.18);
  outline: none;
}
.form-field .field-error {
  font-size: 0.85rem;
  color: #B91C1C;
  min-height: 1.1em;
}
.form-field.has-error input[type="text"],
.form-field.has-error input[type="email"],
.form-field.has-error input[type="tel"],
.form-field.has-error textarea { border-color: #B91C1C; }

.form-checkbox {
  padding: 10px 12px;
  margin: -10px -12px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}
.form-checkbox.has-error {
  border-color: #E5484D;
  background: rgba(229, 72, 77, 0.06);
}
.form-checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.form-checkbox input { width: 20px; height: 20px; flex: none; margin-top: 2px; }
.form-checkbox label { font-size: 0.9rem; color: var(--color-text-muted); font-weight: 400; }
.form-checkbox a { color: var(--color-primary); text-decoration: underline; }

/* Honeypot: nascosto ai visitatori umani, resta raggiungibile dai bot che non
   rispettano display:none. Sez. 6.2 spec. */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 0.92rem;
  display: none;
}
.form-status.is-visible { display: block; }
.form-status.is-success { background: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0; }
.form-status.is-error { background: #FEF2F2; color: #991B1B; border: 1px solid #FECACA; }

/* ---------- Footer (sez. 5.3 spec — scuro, simmetrico all'Hero) ---------- */
.site-footer {
  background: var(--ink);
  color: #a9bccb;
  padding-block: 44px;
  text-align: center;
}
.footer-logo-img {
  height: 95px;
  width: auto;
  display: block;
  margin: 0 auto 14px;
}
.footer-grid {
  display: grid;
  gap: 6px;
  max-width: 560px;
  margin-inline: auto;
}
.footer-meta { font-size: 0.85rem; line-height: 1.7; }
.footer-bottom {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.78rem;
  color: #6f8497;
}
.footer-bottom p { margin-inline: auto; }
.footer-bottom a { color: #a9bccb; text-decoration: underline; }

/* =========================================================================
   Breakpoints (mobile-first)
   ========================================================================= */
@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .nav-menu {
    position: static;
    flex-direction: row;
    align-items: center;
    background: transparent;
    border: none;
    padding: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    gap: 6px;
  }
  .nav-cta { margin-top: 0; margin-left: 8px; }

  .about-grid { grid-template-columns: 0.9fr 1.1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 0.9fr 1.1fr; }
}

@media (min-width: 1024px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: repeat(3, 1fr); }
  .section { padding-block: 88px; }
}