/* ===================================================
   Reusable Components
   Transizione Digitale ARG
   =================================================== */

/* ===================== NAVBAR ===================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow var(--transition-base), padding var(--transition-base);
  padding-block: var(--space-md);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
  padding-block: var(--space-sm);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo img {
  height: 48px;
  width: auto;
  transition: height var(--transition-base);
}

.navbar.scrolled .navbar__logo img {
  height: 38px;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  position: relative;
  padding-block: var(--space-xs);
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--gradient-primary);
  color: var(--color-white) !important;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav__cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.nav__cta::after {
  display: none;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: var(--space-xs);
  z-index: 1001;
}

.hamburger__line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

.hamburger.active .hamburger__line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger__line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav__list {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    height: 100vh;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem var(--space-xl) var(--space-xl);
    gap: var(--space-lg);
    background: #ffffff;
    box-shadow: -4px 0 25px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: 1001;
    overflow-y: auto;
  }

  .nav__list.open {
    transform: translateX(0);
  }

  .nav__list li {
    width: 100%;
  }

  .nav__list .nav__link {
    color: #1C2833;
    font-size: var(--fs-body);
    display: block;
    width: 100%;
    padding: var(--space-sm) 0;
  }

  .nav__list .nav__link:hover,
  .nav__list .nav__link.active {
    color: var(--color-primary);
  }

  .nav__cta {
    margin-top: var(--space-md);
    width: 100%;
    justify-content: center;
  }

  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
  }

  .nav-overlay.visible {
    opacity: 1;
    pointer-events: all;
  }
}

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-body);
  padding: 0.8em 2em;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(27, 79, 114, 0.25);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(27, 79, 114, 0.35);
}

.btn--accent {
  background: var(--gradient-accent);
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(230, 126, 34, 0.25);
}

.btn--accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230, 126, 34, 0.35);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--white {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--lg {
  padding: 1em 2.5em;
  font-size: var(--fs-body-lg);
}

.btn--sm {
  padding: 0.5em 1.5em;
  font-size: var(--fs-small);
}

/* ===================== CARDS ===================== */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
  background: var(--color-surface-alt);
  color: var(--color-primary);
}

.card__icon--primary { background: rgba(27, 79, 114, 0.1); color: var(--color-primary); }
.card__icon--accent { background: rgba(230, 126, 34, 0.1); color: var(--color-accent); }
.card__icon--blue { background: rgba(52, 152, 219, 0.1); color: var(--color-blue); }
.card__icon--red { background: rgba(231, 76, 60, 0.1); color: var(--color-red); }
.card__icon--green { background: rgba(139, 195, 74, 0.1); color: var(--color-green); }

.card__title {
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.card__text {
  font-size: var(--fs-body);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
}

/* Card with colored left border */
.card--bordered {
  border-left: 4px solid var(--color-primary);
}

.card--bordered.card--accent-border {
  border-left-color: var(--color-accent);
}

/* ===================== CTA BANNER ===================== */
.cta-banner {
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-2xl);
  text-align: center;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 50%;
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--fs-body-lg);
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--space-xl);
  position: relative;
  z-index: 1;
}

.cta-banner .btn {
  position: relative;
  z-index: 1;
}

/* ===================== FOOTER ===================== */
.footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.8);
  padding-block: var(--space-3xl) var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand p {
  color: rgba(255, 255, 255, 0.6);
  margin-top: var(--space-md);
  font-size: var(--fs-small);
  line-height: var(--lh-relaxed);
  max-width: 320px;
}

.footer__brand img {
  height: 42px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer h4 {
  color: var(--color-white);
  font-size: var(--fs-body);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-lg);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--fs-small);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-white);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.6);
}

.footer__contact-item svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-accent);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.4);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social a {
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition-fast);
}

.footer__social a:hover {
  color: var(--color-white);
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

/* ===================== FORM COMPONENTS ===================== */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.8em 1em;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--fs-body);
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(46, 134, 193, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-group input.error,
.form-group textarea.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form-group .error-message {
  font-size: var(--fs-xs);
  color: var(--color-error);
  margin-top: var(--space-xs);
  display: none;
}

.form-group .error-message.visible {
  display: block;
}

.form-success {
  background: rgba(39, 174, 96, 0.1);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  color: var(--color-success);
  font-weight: var(--fw-medium);
  display: none;
}

.form-success.visible {
  display: block;
}

/* ===================== TIMELINE / STEPS ===================== */
.steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  position: relative;
  padding-left: var(--space-3xl);
}

.steps::before {
  content: '';
  position: absolute;
  left: 18px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.step {
  position: relative;
}

.step__number {
  position: absolute;
  left: calc(-1 * var(--space-3xl));
  top: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--fw-bold);
  font-size: var(--fs-small);
  z-index: 1;
}

.step__title {
  font-size: var(--fs-h4);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-sm);
}

.step__text {
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
}

@media (max-width: 768px) {
  .steps {
    padding-left: var(--space-2xl);
  }

  .step__number {
    left: calc(-1 * var(--space-2xl));
    width: 32px;
    height: 32px;
  }
}

/* ===================== BADGE ===================== */
.badge {
  display: inline-block;
  padding: 0.25em 0.75em;
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge--primary { background: rgba(27, 79, 114, 0.1); color: var(--color-primary); }
.badge--accent { background: rgba(230, 126, 34, 0.1); color: var(--color-accent); }
.badge--green { background: rgba(139, 195, 74, 0.1); color: var(--color-green); }

/* ===================== POPUP OVERLAY ===================== */
.popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.popup-overlay--visible {
  opacity: 1;
}

.popup {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  max-width: 520px;
  width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
  transform: translateY(20px) scale(0.97);
  transition: transform 0.3s ease;
}

.popup-overlay--visible .popup {
  transform: translateY(0) scale(1);
}

.popup__close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  color: var(--color-white);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1;
  border: none;
  z-index: 2;
}

.popup__close:hover {
  background: rgba(0, 0, 0, 0.75);
}

/* Slider Viewport */
.popup__slider-viewport {
  position: relative;
  overflow: hidden;
}

.popup__slide-container {
  position: relative;
  min-height: 380px;
}

.popup__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
  display: flex;
  flex-direction: column;
}

.popup__slide--active {
  position: relative;
  opacity: 1;
  pointer-events: all;
}

/* Slide Image */
.popup__slide-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  background: var(--color-surface-alt);
}

.popup__slide-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.popup__slide-status {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  padding: 0.3em 0.8em;
  border-radius: var(--radius-sm);
  font-size: 0.65rem;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.popup__slide-status--active {
  background: rgba(39, 174, 96, 0.9);
  color: var(--color-white);
}

.popup__slide-status--coming {
  background: rgba(230, 126, 34, 0.9);
  color: var(--color-white);
}

/* Slide Body */
.popup__slide-body {
  padding: var(--space-lg) var(--space-xl);
}

.popup__slide-body h3 {
  font-size: var(--fs-h4);
  font-weight: var(--fw-bold);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.popup__slide-desc {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-md);
}

.popup__slide-highlight {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: rgba(39, 174, 96, 0.08);
  color: var(--color-success);
  padding: 0.4em 0.8em;
  border-radius: var(--radius-sm);
  font-size: var(--fs-small);
  margin-bottom: var(--space-md);
}

.popup__slide-highlight strong {
  font-weight: var(--fw-semibold);
}

.popup__slide-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.popup__slide-source {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.popup__slide-link {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.popup__slide-link:hover {
  color: var(--color-accent);
}

/* Slider Controls */
.popup__slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: 0 var(--space-xl) var(--space-md);
}

.popup__slider-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.popup__slider-btn:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.popup__slider-dots {
  display: flex;
  gap: var(--space-xs);
}

.popup__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.popup__dot--active {
  background: var(--color-accent);
  transform: scale(1.3);
}

.popup__dot:hover:not(.popup__dot--active) {
  background: var(--color-text-muted);
}

/* Slider Footer */
.popup__slider-footer {
  text-align: center;
  padding: 0 var(--space-xl) var(--space-xl);
}

.popup__cta {
  margin-bottom: var(--space-sm);
  width: 100%;
}

.popup__footer-note {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .popup {
    max-width: 100%;
    margin: var(--space-sm);
    max-height: 95vh;
  }

  .popup__slide-body {
    padding: var(--space-md);
  }

  .popup__slider-controls {
    padding: 0 var(--space-md) var(--space-md);
  }

  .popup__slider-footer {
    padding: 0 var(--space-md) var(--space-md);
  }

  .popup__slide-meta {
    flex-direction: column;
    align-items: flex-start;
  }
}