/* =========================================================
   PRIME FACTORY - STILE GENERALE SITO PUBBLICO
   - Mobile-first
   - Palette e spaziatura tramite variabili CSS
   - Struttura commentata per sezioni
   ========================================================= */

/* ---------------------------------------------------------
   1) VARIABILI GLOBALI
   --------------------------------------------------------- */

:root {
  /* Colori principali */
  --color-bg: #f5f5f7;
  --color-surface: #ffffff;
  --color-text: #111111;
  --color-text-muted: #555555;
  --color-border: #dde0e5;
  --color-border-soft: #e0e1e5;

  --color-primary: #1b6ac9;
  --color-primary-dark: #0f4f96;

  --color-hero-bg: #111111;
  --color-footer-bg: #111111;
  --color-footer-text: #f5f5f7;

  /* Tipografia e dimensioni base */
  --font-family-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.5;

  /* Raggi bordi e ombre */
  --radius-sm: 0.4rem;
  --radius-md: 0.75rem;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.04);

  /* Layout */
  --header-height: 3.5rem;
  --container-max-width: 1100px;   /* valore di default */
  --section-padding-y: 2.5rem;
  --gap-md: 1rem;

  /* Transizioni */
  --transition-fast: 0.15s ease;
}

/* Per schermi ≥ 1920px il contenitore principale usa l'80% della larghezza schermo */
@media (min-width: 1920px) {
  :root {
    --container-max-width: 80vw;
  }
}

/* ---------------------------------------------------------
   2) RESET BASE
   --------------------------------------------------------- */

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

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* Link */

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

/* ---------------------------------------------------------
   3) LAYOUT GENERALE
   --------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

main {
  padding-bottom: 2rem;
}

/* Titoli */

h1, h2, h3, h4 {
  font-weight: 600;
  color: var(--color-text);
}

h1 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

/* Testo e liste */

p {
  margin-bottom: 0.75rem;
}

ul,
ol {
  margin-left: 1.2rem;
  margin-bottom: 0.75rem;
}

/* ---------------------------------------------------------
   4) BOTTONI
   --------------------------------------------------------- */

.btn {
  display: inline-block;
  padding: 0.65rem 1.2rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-align: center;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    transform 0.1s ease;
}

.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: #ffffff;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: #e4f0ff;
  text-decoration: none;
}

.btn-outline {
  background-color: transparent;
  border-color: #555555;
  color: var(--color-text);
}

.btn-outline:hover {
  background-color: var(--color-text);
  color: #ffffff;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ---------------------------------------------------------
   5) HEADER + NAVBAR
   --------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-logo {
  height: 28px;
  width: auto;
}

.brand-name {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Burger menu (mobile) */

.nav-toggle {
  border: none;
  background: none;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.25rem;
  cursor: pointer;
}

.nav-toggle-bar {
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px;
}

/* Menu principale (mobile: pannello a discesa) */

.main-nav {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background-color: #ffffff;
  transform: translateY(-100%);
  transition: transform 0.2s ease-out;
}

.main-nav.open {
  transform: translateY(0);
}

.main-nav ul {
  list-style: none;
  padding: 1rem;
}

.main-nav li {
  margin-bottom: 0.5rem;
}

.main-nav a {
  display: block;
  padding: 0.5rem 0.25rem;
}

/* Link attivo nel menu */

.main-nav a.active {
  font-weight: 600;
  border-bottom: 2px solid var(--color-primary);
}

.nav-btn {
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-primary);
  padding: 0.45rem 0.9rem;
}

/* ---------------------------------------------------------
   6) SEZIONI PRINCIPALI (HOME, PAGINE, CARDS)
   --------------------------------------------------------- */

section {
  padding: var(--section-padding-y) 1rem;
}

section:nth-of-type(odd) {
  background-color: var(--color-bg);
}

section:nth-of-type(even) {
  background-color: #ffffff;
}

/* HERO */

.hero {
  padding-top: 3rem;
  padding-bottom: 2.5rem;
  background-color: var(--color-hero-bg);
  color: #ffffff;
}

.hero-content {
  max-width: 700px;
  margin: 0 auto 1.5rem auto;
  padding: 0 1rem;
}

.hero h1 {
  font-size: 1.9rem;
  margin-bottom: 1rem;
  color: #ffffff;
}

.hero p {
  margin-bottom: 1rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-cta .btn-outline {
  border-color: #ffffff;
  color: #ffffff;
}

.hero-cta .btn-outline:hover {
  background-color: #ffffff;
  color: var(--color-text);
}

.hero-side {
  padding: 0 1rem;
}

.hero-highlight {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.8;
}

/* Cards servizi / contenuti */

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-soft);
  padding: 1rem;
  box-shadow: var(--shadow-sm);
}

.card h3 {
  margin-bottom: 0.5rem;
}

/* Griglie */
.services-preview{
  width: 80vw;
}

.services-preview .cards-grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-md);
}

.workflow {
  max-width: 900px;
  margin: 0 auto;
}

.workflow-steps {
  list-style: none;
  margin-left: 0;
}

.workflow-steps li {
  margin-bottom: 1rem;
  border-left: 2px solid var(--color-primary);
  padding-left: 0.75rem;
}

.about {
  max-width: 800px;
  margin: 0 auto;
}

/* Recensioni (home) */
.reviews-preview{
  width: 80vw;
}

.reviews-preview .reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-md);
  margin-top: 1rem;
}

.review {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-soft);
  padding: 1rem;
}

.review-text {
  font-style: italic;
}

/* ---------------------------------------------------------
   7) FORM E SEZIONE CONTATTI
   --------------------------------------------------------- */

.contact {
  max-width: 1000px;
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

/* Form generici */

form {
  width: 100%;
}

.form-group {
  margin-bottom: 0.9rem;
}

label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="file"],
select,
textarea {
  width: 100%;
  padding: 0.55rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid #c6c8ce;
  font-size: 0.95rem;
  background-color: #ffffff;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(27, 106, 201, 0.15);
}

textarea {
  resize: vertical;
}

.form-hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* ---------------------------------------------------------
   8) PAGINE GENERICHE (SERVIZI, PORTFOLIO, RECENSIONI, AUTH)
   --------------------------------------------------------- */

.page {
  padding: var(--section-padding-y) 1rem;
}

.page-header {
  max-width: 850px;
  margin: 0 auto 2rem auto;
}

.page-servizi .service-block {
  max-width: 800px;
  margin: 0 auto 1.8rem auto;
}

/* Portfolio */

.page-portfolio .portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
}

.portfolio-item {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-soft);
  padding: 1rem;
}

.portfolio-tag {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.portfolio-result {
  font-weight: 500;
}

/* Recensioni pagina dedicata */

.page-recensioni .reviews-list {
  max-width: 800px;
  margin: 0 auto;
}

/* Pagine auth (login/registrazione) */

.page-auth .auth-container {
  max-width: 450px;
  margin: 2rem auto;
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-soft);
  padding: 1.5rem;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.auth-alt {
  margin-top: 1rem;
  font-size: 0.9rem;
}

/* ---------------------------------------------------------
   9) AREA CLIENTI
   --------------------------------------------------------- */

.page-area-clienti .summary-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.summary-box {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-soft);
  padding: 1rem;
}

.summary-number {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.summary-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.orders-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.9rem;
}

.orders-table th,
.orders-table td {
  border: 1px solid var(--color-border);
  padding: 0.5rem 0.4rem;
}

.orders-table th {
  background-color: #f0f1f5;
  text-align: left;
}

/* ---------------------------------------------------------
   10) PAGINA RICHIESTA PREVENTIVO
   --------------------------------------------------------- */

.page-preventivo .preventivo-form-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1rem;
}

legend {
  padding: 0 0.5rem;
  font-weight: 600;
  font-size: 0.95rem;
}

/* ---------------------------------------------------------
   11) FOOTER
   --------------------------------------------------------- */

.site-footer {
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding-top: 2rem;
  margin-top: 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.footer-column h3 {
  margin-bottom: 0.5rem;
}

.footer-column a {
  color: var(--color-footer-text);
}

.footer-bottom {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  padding: 0.75rem 0;
  border-top: 1px solid #333333;
}

/* ---------------------------------------------------------
   12) RESPONSIVE (TABLET E DESKTOP)
   --------------------------------------------------------- */

@media (min-width: 768px) {

  .hero {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }

  .hero-content {
    padding: 0 2rem;
  }

  .hero h1 {
    font-size: 2.3rem;
  }

  /* Navbar desktop: menu orizzontale, niente burger */

  .nav-toggle {
    display: none;
  }

  .main-nav {
    position: static;
    transform: none;
  }

  .main-nav ul {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 0;
  }

  .main-nav li {
    margin-bottom: 0;
  }

  .nav-btn {
    padding: 0.4rem 0.9rem;
  }

  /* Griglie */

  .services-preview .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .reviews-preview .reviews-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-grid {
    grid-template-columns: 1.4fr 1fr;
  }

  .form-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-area-clienti .summary-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-portfolio .portfolio-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-preventivo .preventivo-form-section {
    grid-template-columns: 1.4fr 1fr;
  }

  .footer-content {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .hero {
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
  }
}