/* ==========================================================================
   TECNOSER SRL - Foglio di stile principale
   Estende Bootstrap 5.3 (CDN) con la palette e i componenti del brand.
   ========================================================================== */

/* ===== 1. VARIABILI ===== */
:root {
  /* Blu primario campionato dal logo aziendale */
  --tec-primary: #1E487D;
  --tec-primary-dark: #14304F;
  --tec-primary-darker: #102845;

  /* Blu secondario: tinta più chiara dello stesso blu del logo */
  --tec-secondary: #56769E;

  /* Sfondo tenue per alternare le sezioni */
  --tec-tint-bg: #E8EDF2;

  /* Accento ambra: usato SOLO per i bottoni/CTA di azione */
  --tec-accent: #E08A1E;
  --tec-accent-dark: #BE751A;

  /* Colori neutri */
  --tec-body-text: #2B2F33;
  --tec-muted: #5C6670;
  --tec-border: #DDE2E7;
  --tec-bg-light: #F7F8FA;
  --tec-white: #FFFFFF;

  /* Tipografia */
  --tec-font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;

  /* Coerenza visiva tra componenti */
  --tec-radius: 0.5rem;
  --tec-shadow: 0 0.5rem 1.5rem rgba(20, 48, 79, 0.12);
  --tec-transition: 0.25s ease;

  /* Override delle variabili Bootstrap: .btn-primary, .bg-primary, .text-primary
     ereditano automaticamente il blu del brand senza riscrivere le classi */
  --bs-primary: var(--tec-primary);
  --bs-primary-rgb: 30, 72, 125;
}

/* ===== 2. RESET / BASE ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--tec-font);
  color: var(--tec-body-text);
  background-color: var(--tec-white);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--tec-primary-darker);
}

p, li {
  line-height: 1.65;
}

.text-muted-tec {
  color: var(--tec-muted);
}

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

a {
  color: var(--tec-primary);
}

a:hover {
  color: var(--tec-primary-dark);
}

/* Focus da tastiera sempre visibile: mai outline:none senza sostituto */
:focus-visible {
  outline: 2px solid var(--tec-accent);
  outline-offset: 2px;
}

/* Link "salta al contenuto", visibile solo al focus da tastiera */
.skip-link {
  position: absolute;
  top: -3rem;
  left: 0.5rem;
  z-index: 2000;
  padding: 0.5rem 1rem;
  background: var(--tec-primary);
  color: var(--tec-white);
  border-radius: 0 0 var(--tec-radius) var(--tec-radius);
  transition: top var(--tec-transition);
}

.skip-link:focus {
  top: 0;
  color: var(--tec-white);
}

/* ===== 3. UTILITY / LAYOUT ===== */
.section-py {
  padding-block: clamp(3rem, 6vw, 6rem);
}

.section-alt {
  background-color: var(--tec-tint-bg);
}

.section-title {
  margin-bottom: 2.5rem;
}

.section-title .eyebrow {
  display: inline-block;
  color: var(--tec-accent-dark);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

/* ===== 4. NAVBAR ===== */
.navbar-tecnoser {
  background-color: var(--tec-primary);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.navbar-tecnoser .navbar-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0;
}

.navbar-tecnoser .navbar-brand img {
  height: 67px;
  width: auto;
}

.navbar-tecnoser .navbar-brand .navbar-partner-badge {
  height: 34px;
  margin-top: -10px;
}

.navbar-tecnoser .nav-link {
  font-weight: 700;
  color: rgba(255, 255, 255, 0.88);
  padding-inline: 0.85rem;
}

.navbar-tecnoser .nav-link:hover,
.navbar-tecnoser .nav-link:focus {
  color: var(--tec-white);
}

.navbar-tecnoser .nav-link.active {
  color: var(--tec-white);
  position: relative;
}

.navbar-tecnoser .nav-link.active::after {
  content: "";
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: 0.15rem;
  height: 2px;
  background-color: var(--tec-accent);
}

.navbar-tecnoser .nav-link.btn-accent {
  color: var(--tec-primary-darker);
}

/* ===== 5. HERO ===== */
.hero-home {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  color: var(--tec-white);
}

.hero-home::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 70%;
  background: linear-gradient(
    90deg,
    rgba(0, 0, 0, 0.36),
    rgba(0, 0, 0, 0.16) 72%,
    transparent
  );
}

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

.hero-home h1 {
  color: var(--tec-white);
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.hero-home .lead {
  color: rgba(255, 255, 255, 0.92);
  max-width: 40rem;
}

/* Banner compatto per le pagine interne (servizi, partner, contatti) */
.page-banner {
  background-color: var(--tec-primary);
  background-image: linear-gradient(rgba(16, 40, 69, 0.35), rgba(16, 40, 69, 0.35));
  background-size: cover;
  background-position: center;
  color: var(--tec-white);
  padding-block: 3.5rem;
}

.page-banner h1 {
  color: var(--tec-white);
  margin-bottom: 0.5rem;
}

.page-banner .breadcrumb {
  margin-bottom: 0;
}

.page-banner .breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
}

.page-banner .breadcrumb-item.active {
  color: var(--tec-white);
}

.page-banner .breadcrumb-item + .breadcrumb-item::before {
  color: rgba(255, 255, 255, 0.6);
}

/* ===== 6. BOTTONI ===== */
.btn-accent {
  background-color: var(--tec-accent);
  border-color: var(--tec-accent);
  color: var(--tec-primary-darker);
  font-weight: 700;
}

.btn-accent:hover,
.btn-accent:focus {
  background-color: var(--tec-accent-dark);
  border-color: var(--tec-accent-dark);
  color: var(--tec-primary-darker);
}

.btn-outline-light:hover {
  color: var(--tec-primary-darker);
}

/* ===== 7. CARDS ===== */
.card {
  border: 0;
  border-radius: var(--tec-radius);
  box-shadow: var(--tec-shadow);
  transition: transform var(--tec-transition), box-shadow var(--tec-transition);
  height: 100%;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 1rem 2rem rgba(20, 48, 79, 0.18);
}

.card-img-top {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--tec-radius) var(--tec-radius) 0 0;
}

.card-body .card-title {
  color: var(--tec-primary-darker);
}

/* ===== 8. SEZIONI SPECIFICHE ===== */

/* Griglia servizi (home) */
.servizio-card .card-link {
  font-weight: 700;
  text-decoration: none;
}

.servizio-card .card-link::after {
  content: "\2192";
  margin-left: 0.35rem;
  transition: margin var(--tec-transition);
}

.servizio-card .card-link:hover::after {
  margin-left: 0.6rem;
}

/* "Perché sceglierci": elenco con icona SVG inline */
.perche-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.perche-item .icon-wrap {
  flex: 0 0 auto;
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--tec-white);
  color: var(--tec-primary);
  box-shadow: var(--tec-shadow);
}

.perche-item .icon-wrap svg {
  width: 1.5rem;
  height: 1.5rem;
}

.perche-item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

/* Sezione "Bonus 2026" */
.bonus-card {
  border-left: 4px solid var(--tec-accent);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Anteprima / griglia partner */
.partner-logo-link {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background-color: var(--tec-white);
  border: 1px solid var(--tec-border);
  border-radius: var(--tec-radius);
  height: 100%;
  transition: box-shadow var(--tec-transition), border-color var(--tec-transition);
}

.partner-logo-link:hover,
.partner-logo-link:focus-visible {
  box-shadow: var(--tec-shadow);
  border-color: var(--tec-secondary);
}

.partner-logo-link img {
  filter: grayscale(0);
  opacity: 1;
}

.partner-logo-link:hover img,
.partner-logo-link:focus-visible img {
  filter: grayscale(0);
  opacity: 1;
}

/* Card estesa partner.html */
.partner-card {
  text-align: center;
  padding: 1.5rem;
}

.partner-card img {
  margin-inline: auto;
  margin-bottom: 1rem;
  width: auto;
  height: 100px;
  max-width: 100%;
  object-fit: contain;
  filter: grayscale(0);
  opacity: 1;
}

.partner-card:hover img {
  filter: grayscale(0);
  opacity: 1;
}

.partner-card .btn {
  margin-top: 0.75rem;
}

/* Liste caratteristiche con segno di spunta personalizzato */
.caratteristiche-list {
  list-style: none;
  padding-left: 0;
}

.caratteristiche-list li {
  position: relative;
  padding-left: 1.85rem;
  margin-bottom: 0.65rem;
}

.caratteristiche-list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  top: 0;
  width: 1.35rem;
  height: 1.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--tec-primary);
  color: var(--tec-white);
  font-size: 0.75rem;
  font-weight: 700;
}

/* Box fornitori */
.fornitori-box {
  background-color: var(--tec-tint-bg);
  border-left: 4px solid var(--tec-secondary);
  border-radius: 0 var(--tec-radius) var(--tec-radius) 0;
  padding: 1.5rem;
}

.fornitori-box h2 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

/* Banda CTA finale */
.cta-band {
  background-color: var(--tec-primary);
  color: var(--tec-white);
}

.cta-band h2 {
  color: var(--tec-white);
}

/* ===== 9. FOOTER ===== */
.footer-tecnoser {
  background-color: var(--tec-bg-light);
  border-top: 3px solid var(--tec-primary);
}

.footer-tecnoser h2 {
  font-size: 0.95rem;
  color: var(--tec-primary-darker);
  letter-spacing: 0.04em;
}

.footer-links a,
.footer-tecnoser address a {
  color: var(--tec-primary);
  text-decoration: none;
}

.footer-links a:hover,
.footer-tecnoser address a:hover {
  color: var(--tec-primary-dark);
  text-decoration: underline;
}

.footer-links li {
  margin-bottom: 0.4rem;
}

.footer-tecnoser address {
  color: var(--tec-body-text);
}

.footer-company-name {
  font-size: 1.15rem;
  font-weight: 700;
}

.footer-bottom-text {
  color: var(--tec-muted);
}

/* ===== 10. ANIMAZIONI ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    transition: none;
    opacity: 1;
    transform: none;
  }
}

.btn-back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 1030;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--tec-primary);
  color: var(--tec-white);
  border: 0;
  box-shadow: var(--tec-shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--tec-transition), transform var(--tec-transition), visibility var(--tec-transition), background-color var(--tec-transition);
}

.btn-back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.btn-back-to-top:hover {
  background-color: var(--tec-primary-dark);
  color: var(--tec-white);
}

/* ===== 11. RESPONSIVE BREAKPOINTS ===== */
@media (max-width: 991.98px) {
  .navbar-tecnoser .nav-link.active::after {
    display: none;
  }

  .navbar-tecnoser .nav-link.active {
    color: var(--tec-accent);
  }

  .navbar-tecnoser .nav-link.btn-accent {
    display: inline-block;
    margin-top: 0.5rem;
  }

  .hero-home {
    min-height: 60vh;
  }
}

@media (max-width: 767.98px) {
  .hero-home {
    min-height: 55vh;
    text-align: center;
  }

  .hero-home::before {
    width: 100%;
    background: radial-gradient(
      ellipse at center,
      rgba(0, 0, 0, 0.28),
      rgba(0, 0, 0, 0.08) 68%,
      transparent 100%
    );
  }

  .hero-home .lead {
    max-width: none;
  }

  .footer-tecnoser [class^="col-"] {
    text-align: left;
  }

  .page-banner {
    padding-block: 2.5rem;
  }
}

@media (max-width: 575.98px) {
  .section-py {
    padding-block: 2.5rem;
  }

  .perche-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-back-to-top {
    right: 1rem;
    bottom: 1rem;
  }

  .navbar-tecnoser .navbar-brand {
    gap: 0;
  }

  .navbar-tecnoser .navbar-brand img {
    height: 46px;
  }

  .navbar-tecnoser .navbar-brand .navbar-partner-badge {
    height: 24px;
    margin-top: -7px;
  }
}