/* ============================================================
   COMPONENTS — Reusable UI Components
   ============================================================ */

/* ── Section Headers ─────────────────────────────── */
.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-accent);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.section-label::before {
  content: '';
  width: 32px;
  height: 1px;
  background-color: var(--color-accent);
}

.section-title {
  font-family: var(--font-heading);
  font-weight: var(--weight-regular);
  line-height: var(--leading-tight);
  color: var(--color-graphite);
  margin-bottom: var(--space-6);
}

.section-subtitle {
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--color-warm-gray);
  max-width: 640px;
}

.section-header {
  margin-bottom: var(--space-16);
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-label {
  justify-content: center;
}

.section-header--center .section-label::before {
  display: none;
}

.section-header--center .section-subtitle {
  margin: 0 auto;
}

/* ── Buttons ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: var(--transition-base);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background-color: var(--color-graphite);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: var(--color-deep);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-graphite);
  border: 1px solid var(--color-charcoal);
}

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

.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn--accent:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn--ghost:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn--lg {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-sm);
}

.btn--sm {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-xs);
}

.btn-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--duration-base) var(--ease-out);
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

/* ── Cards ───────────────────────────────────────── */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: var(--transition-base);
  border: var(--border-light);
}

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

.card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-6);
  color: var(--color-accent);
}

.card__number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-light);
  color: var(--color-cream);
  line-height: 1;
  margin-bottom: var(--space-4);
}

.card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-regular);
  color: var(--color-graphite);
  margin-bottom: var(--space-4);
  line-height: var(--leading-snug);
}

.card__text {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-warm-gray);
  margin-bottom: var(--space-6);
}

.card__link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  transition: var(--transition-fast);
}

.card__link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--duration-base) var(--ease-out);
}

.card:hover .card__link svg {
  transform: translateX(4px);
}

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

/* ── Dividers ────────────────────────────────────── */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-beige) 20%,
    var(--color-beige) 80%,
    transparent 100%
  );
  border: none;
  margin: 0;
}

.divider--accent {
  width: 60px;
  height: 2px;
  background: var(--color-accent);
  margin: var(--space-6) 0;
}

/* ── Badge / Tag ─────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: var(--radius-full);
}

/* ── Stats ───────────────────────────────────────── */
.stat {
  text-align: center;
}

.stat__number {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-light);
  color: var(--color-graphite);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-warm-gray);
}

/* ── Stats Grid ─────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  text-align: center;
}

@media (max-width: 992px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* ── Form Elements ───────────────────────────────── */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-charcoal);
  margin-bottom: var(--space-2);
  letter-spacing: var(--tracking-wide);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-base);
  color: var(--color-charcoal);
  background-color: var(--color-white);
  border: 1px solid var(--color-beige);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-light-gray);
}

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237a756d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 48px;
}

/* ── Accordion ───────────────────────────────────── */
.accordion {
  border-top: var(--border-light);
}

.accordion-item {
  border-bottom: var(--border-light);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-regular);
  color: var(--color-graphite);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  transition: var(--transition-fast);
}

.accordion-trigger:hover {
  color: var(--color-accent);
}

.accordion-icon {
  width: 24px;
  height: 24px;
  transition: transform var(--duration-base) var(--ease-out);
  flex-shrink: 0;
  color: var(--color-warm-gray);
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-out);
}

.accordion-content__inner {
  padding-bottom: var(--space-8);
}

.accordion-content__inner p {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-warm-gray);
}

/* ── Scroll Animations ───────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays */
.stagger-1 { transition-delay: 0.05s; }
.stagger-2 { transition-delay: 0.1s; }
.stagger-3 { transition-delay: 0.15s; }
.stagger-4 { transition-delay: 0.2s; }
.stagger-5 { transition-delay: 0.25s; }
.stagger-6 { transition-delay: 0.3s; }
.stagger-7 { transition-delay: 0.35s; }
.stagger-8 { transition-delay: 0.4s; }
.stagger-9 { transition-delay: 0.45s; }

/* ── WhatsApp Button Variants ────────────────────── */
.btn--whatsapp {
  background-color: #25D366;
  color: var(--color-white);
}

.btn--whatsapp:hover {
  background-color: #1eba59;
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
}

.btn--whatsapp svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* ── WhatsApp Floating Button ────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25D366;
  color: var(--color-white);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--duration-base) var(--ease-out);
  animation: whatsappPulse 3s ease-in-out infinite;
}

.whatsapp-float:hover {
  background: #1eba59;
  color: var(--color-white);
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
  animation: none;
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
  flex-shrink: 0;
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 28px rgba(37, 211, 102, 0.6); }
}

@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 52px;
    height: 52px;
  }
}

/* ── Hero Trust Badges ───────────────────────────── */
.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.12);
}

.hero__badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: rgba(255,255,255,0.65);
  letter-spacing: var(--tracking-wide);
}

.hero__badge svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent-light);
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .hero__badges {
    gap: var(--space-3);
  }
  .hero__badge {
    font-size: 0.7rem;
  }
}

/* ── Attestati / PDF Cards ───────────────────────── */
.attestati-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.attestato-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border: var(--border-light);
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
}

.attestato-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
  border-color: transparent;
}

.attestato-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-5);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-soft);
  border-radius: var(--radius-md);
}

.attestato-card__icon svg {
  width: 24px;
  height: 24px;
}

.attestato-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-graphite);
  margin-bottom: var(--space-2);
  line-height: var(--leading-snug);
}

.attestato-card__date {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-warm-gray);
  margin-bottom: var(--space-3);
}

.attestato-card__text {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-warm-gray);
  flex-grow: 1;
  margin-bottom: var(--space-5);
}

.attestato-card__download {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-accent);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  transition: var(--transition-fast);
  padding: var(--space-3) var(--space-5);
  background: var(--color-accent-soft);
  border-radius: var(--radius-md);
  align-self: flex-start;
}

.attestato-card__download:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.attestato-card__download svg {
  width: 16px;
  height: 16px;
}

/* ── Case Study Cards ────────────────────────────── */
.case-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border: var(--border-light);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-accent);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

.case-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.case-card:hover::before {
  opacity: 1;
}

.case-card__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.case-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-graphite);
  margin-bottom: var(--space-5);
  line-height: var(--leading-snug);
}

.case-card__section {
  margin-bottom: var(--space-4);
}

.case-card__section-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--color-warm-gray);
  margin-bottom: var(--space-2);
}

.case-card__section p {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-dark-gray);
}

.case-card__section ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.case-card__section ul li {
  font-size: var(--text-sm);
  color: var(--color-dark-gray);
  padding-left: var(--space-4);
  position: relative;
}

.case-card__section ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: 0.5;
}

.case-card__result {
  padding: var(--space-4);
  background: var(--color-accent-soft);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-charcoal);
  font-weight: var(--weight-medium);
  line-height: var(--leading-relaxed);
}

@media (max-width: 1024px) {
  .attestati-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .attestati-grid {
    grid-template-columns: 1fr;
  }
}