@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ========== VARIABLES ========== */
:root {
  --color-primary:     #1A3A8B;
  --color-primary-dk:  #0F2560;
  --color-primary-lt:  #2E55C8;
  --color-accent:      #E8A000;
  --color-accent-dk:   #C07800;
  --color-text:        #1A1A1A;
  --color-text-light:  #555555;
  --color-bg:          #FFFFFF;
  --color-bg-alt:      #F5F7FC;
  --color-border:      #E0E4EF;

  --font-size-xs:   0.75rem;
  --font-size-sm:   0.875rem;
  --font-size-base: 1rem;
  --font-size-lg:   1.125rem;
  --font-size-xl:   1.25rem;
  --font-size-2xl:  1.5rem;
  --font-size-3xl:  2rem;
  --font-size-4xl:  2.5rem;
  --font-size-5xl:  3.5rem;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, Arial, sans-serif;
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary-lt); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--color-primary); }
ul, ol { list-style: none; }

/* ========== UTILITIES ========== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

.section { padding: 5rem 0; }
.section--alt { background: var(--color-bg-alt); }
.section--primary { background: var(--color-primary); color: #fff; }

.section__header { text-align: center; margin-bottom: 3rem; }
.section__title { font-size: var(--font-size-3xl); font-weight: 700; margin-bottom: 0.75rem; }
.section__subtitle { font-size: var(--font-size-lg); color: var(--color-text-light); max-width: 640px; margin: 0 auto; }
.section--primary .section__subtitle { color: rgba(255,255,255,0.8); }

/* ========== BUTTONS ========== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.btn:hover { transform: translateY(-1px); }

.btn--accent { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.btn--accent:hover { background: var(--color-accent-dk); border-color: var(--color-accent-dk); color: #fff; }

.btn--outline-white { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
.btn--outline-white:hover { background: rgba(255,255,255,0.1); border-color: #fff; color: #fff; }

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

.btn--lg { padding: 1rem 2.25rem; font-size: var(--font-size-base); }

/* ========== NAVBAR ========== */
.navbar {
  background: var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}
.navbar__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.navbar__logo img { height: 68px; width: auto; }
.navbar__links { display: flex; gap: 0.25rem; }
.navbar__links a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  transition: background 0.2s;
}
.navbar__links a:hover,
.navbar__links a.active { background: rgba(255,255,255,0.15); }
.navbar__links a.lang-switch {
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 4px;
  padding: 0.25rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-left: 0.5rem;
}
.navbar__links a.lang-switch:hover { background: rgba(255,255,255,0.2); border-color: #fff; }

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* ========== HERO ========== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__video {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero__bg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero__overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.55);
}
.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  padding: 0 1.5rem;
  max-width: 800px;
}
.hero__eyebrow {
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
  opacity: 0.85;
}
.hero__content h1 {
  font-size: var(--font-size-5xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}
.hero__sub {
  font-size: var(--font-size-lg);
  line-height: 1.7;
  opacity: 0.9;
  margin-bottom: 2rem;
}
.hero__ctas { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Page hero (shorter) */
.page-hero {
  position: relative;
  height: 50vh;
  min-height: 320px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-hero .hero__overlay { background: rgba(0,0,0,0.6); }
.page-hero .hero__content h1 { font-size: var(--font-size-4xl); }

.breadcrumb {
  font-size: var(--font-size-sm);
  margin-bottom: 0.75rem;
  opacity: 0.8;
}
.breadcrumb a { color: #fff; text-decoration: underline; }
.breadcrumb a:hover { color: var(--color-accent); }

/* ========== STATS STRIP ========== */
.stats-strip {
  background: var(--color-primary);
  padding: 3rem 0;
}
.stats-strip__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
  color: #fff;
}
.stats-strip__number {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  display: block;
  line-height: 1.2;
}
.stats-strip__label {
  font-size: var(--font-size-sm);
  opacity: 0.8;
  margin-top: 0.25rem;
}

/* ========== SERVICE CARDS (Homepage) ========== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.card {
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(0,0,0,0.12); }
.card__img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.card__body { padding: 1.5rem; }
.card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.card__link {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-primary-lt);
}
.card__link:hover { color: var(--color-primary); }
.card__link i { margin-left: 0.25rem; transition: transform 0.2s; }
.card__link:hover i { transform: translateX(3px); }

/* ========== TWO-COL SECTION ========== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.two-col--reverse { direction: rtl; }
.two-col--reverse > * { direction: ltr; }
.two-col__img {
  width: 100%;
  border-radius: 6px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.1);
}
.two-col__text h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: 1rem;
}
.two-col__text p {
  color: var(--color-text-light);
  margin-bottom: 1rem;
  line-height: 1.7;
}

/* ========== PROJECT CARDS ========== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.project-card {
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transition: transform 0.2s, box-shadow 0.2s;
}
.project-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(0,0,0,0.12); }
.project-card__img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}
.project-card__body { padding: 1.5rem; }
.project-card__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.project-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ========== CERT CARDS ========== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.cert-card {
  background: #fff;
  border-radius: 6px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.cert-card__icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}
.cert-card__name { font-size: var(--font-size-xl); font-weight: 700; margin-bottom: 0.25rem; }
.cert-card__body { font-size: var(--font-size-sm); color: var(--color-text-light); margin-bottom: 1rem; }
.cert-card__link { font-weight: 600; font-size: var(--font-size-sm); }

/* ========== VALUES ========== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.value-card {
  text-align: center;
  padding: 2rem 1.5rem;
}
.value-card__icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-size: 1.5rem;
  color: var(--color-primary);
}
.value-card__title { font-size: var(--font-size-lg); font-weight: 700; margin-bottom: 0.5rem; }
.value-card__text { font-size: var(--font-size-sm); color: var(--color-text-light); line-height: 1.6; }

/* ========== SERVICE DETAIL (servizi.html) ========== */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.service-detail--reverse { direction: rtl; }
.service-detail--reverse > * { direction: ltr; }
.service-detail__img {
  width: 100%;
  border-radius: 6px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.1);
}
.service-detail__content h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: 1rem;
}
.service-detail__content p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 1rem;
}
.service-detail__list {
  margin-top: 1rem;
}
.service-detail__list li {
  padding: 0.4rem 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}
.service-detail__list li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--color-primary-lt);
  font-size: var(--font-size-xs);
}

/* ========== CTA SECTION ========== */
.cta-section {
  background: var(--color-primary);
  padding: 5rem 0;
  text-align: center;
  color: #fff;
}
.cta-section h2 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.cta-section p {
  font-size: var(--font-size-lg);
  opacity: 0.85;
  margin-bottom: 2rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ========== CONTACT PAGE ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}
.contact-info h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: 1.5rem;
}
.contact-info__item {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  align-items: flex-start;
}
.contact-info__item i {
  color: var(--color-primary);
  margin-top: 0.2rem;
  width: 20px;
  text-align: center;
}
.contact-info__item a { color: var(--color-text); }
.contact-info__item a:hover { color: var(--color-primary-lt); }
.contact-map {
  margin-top: 2rem;
  border-radius: 6px;
  overflow: hidden;
}
.contact-map iframe { display: block; }

.contact-form h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: 1.5rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary-lt);
  box-shadow: 0 0 0 3px rgba(46,85,200,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-checkbox {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}
.form-checkbox input[type="checkbox"] { margin-top: 0.25rem; width: auto; }

/* ========== PRIVACY PAGE ========== */
.privacy-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}
.privacy-content h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: 2rem;
}
.privacy-content h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}
.privacy-content p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 1rem;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--color-primary-dk);
  color: #fff;
  padding: 4rem 0 0;
}
.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.footer__col img { margin-left: -6px; }
.footer__col p { font-size: var(--font-size-sm); opacity: 0.8; line-height: 1.6; margin-top: 0.75rem; }
.footer__col h4 { font-size: var(--font-size-base); font-weight: 600; margin-bottom: 1rem; }
.footer__col a {
  display: block;
  color: rgba(255,255,255,0.8);
  font-size: var(--font-size-sm);
  padding: 0.2rem 0;
  transition: color 0.2s;
}
.footer__col a:hover { color: #fff; }

.footer__social { display: flex; gap: 0.75rem; }
.footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 1rem;
  transition: background 0.2s;
}
.footer__social a:hover { background: rgba(255,255,255,0.2); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 3rem;
  padding: 1.5rem;
  text-align: center;
  font-size: var(--font-size-xs);
  opacity: 0.7;
}
.footer__bottom a { color: #fff; text-decoration: underline; }

/* ========== COOKIE BANNER ========== */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--color-primary-dk);
  color: #fff;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  z-index: 9999;
  flex-wrap: wrap;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
}
.cookie-banner__text { flex: 1; min-width: 280px; }
.cookie-banner__text strong { font-size: var(--font-size-base); }
.cookie-banner__text p { font-size: var(--font-size-sm); opacity: 0.85; margin-top: 0.25rem; }
.cookie-banner__text a { color: var(--color-accent); text-decoration: underline; }
.cookie-banner__actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero__content h1 { font-size: var(--font-size-4xl); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .navbar__links {
    display: none;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: var(--color-primary);
    flex-direction: column;
    padding: 1rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  }
  .navbar__links.open { display: flex; }
  .navbar__hamburger { display: flex; }
  .navbar__hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .navbar__hamburger.open span:nth-child(2) { opacity: 0; }
  .navbar__hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .hero { min-height: 500px; }
  .hero__content h1 { font-size: var(--font-size-3xl); }
  .hero__sub { font-size: var(--font-size-base); }

  .stats-strip__inner { grid-template-columns: repeat(2, 1fr); }
  .cards-grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; gap: 2rem; }
  .two-col--reverse { direction: ltr; }
  .projects-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .service-detail { grid-template-columns: 1fr; gap: 2rem; }
  .service-detail--reverse { direction: ltr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer__inner { grid-template-columns: 1fr; }

  .page-hero { height: 40vh; min-height: 260px; }
}

@media (max-width: 480px) {
  .hero__content h1 { font-size: var(--font-size-2xl); }
  .hero__ctas { flex-direction: column; }
  .stats-strip__inner { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .cookie-banner { flex-direction: column; text-align: center; padding: 1rem; }
  .cookie-banner__actions { justify-content: center; }
}