/**
 * TFS Oleodinamica — Components
 *
 * Componenti UI riutilizzabili. Ogni componente è autonomo:
 * tutte le regole di un componente sono raggruppate sotto un unico commento.
 *
 * Prefisso: .tfs-[nome-componente]
 */

/* ============================================
   BOTTONI — .tfs-btn
   ============================================ */

.tfs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--tfs-space-2);
  padding: var(--tfs-space-3) var(--tfs-space-6);
  font-family: var(--tfs-font-body);
  font-size: var(--tfs-fs-base);
  font-weight: var(--tfs-fw-semibold);
  line-height: 1;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  border: 2px solid transparent;
  border-radius: var(--tfs-radius-md);
  cursor: pointer;
  transition: all var(--tfs-duration-base) var(--tfs-ease-out);
  user-select: none;
  letter-spacing: 0.01em;
}

.tfs-btn:focus-visible {
  outline: 2px solid var(--tfs-color-primary);
  outline-offset: 2px;
}

.tfs-btn:disabled,
.tfs-btn.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Variante primaria — CTA principale */
.tfs-btn-primary {
  background-color: var(--tfs-color-primary);
  color: var(--tfs-color-white);
  border-color: var(--tfs-color-primary);
}

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

/* Variante accent — CTA di rilievo (richiedi preventivo, contattaci) */
.tfs-btn-accent {
  background-color: var(--tfs-color-accent);
  color: var(--tfs-color-white);
  border-color: var(--tfs-color-accent);
}

.tfs-btn-accent:hover {
  background-color: var(--tfs-color-accent-dark);
  border-color: var(--tfs-color-accent-dark);
  color: var(--tfs-color-white);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--tfs-shadow-md);
}

/* Variante outline — CTA secondaria */
.tfs-btn-outline {
  background-color: transparent;
  color: var(--tfs-color-primary);
  border-color: var(--tfs-color-primary);
}

.tfs-btn-outline:hover {
  background-color: var(--tfs-color-primary);
  color: var(--tfs-color-white);
  text-decoration: none;
}

/* Variante ghost — bassa enfasi */
.tfs-btn-ghost {
  background-color: transparent;
  color: var(--tfs-color-primary);
  border-color: transparent;
}

.tfs-btn-ghost:hover {
  background-color: var(--tfs-color-primary-tint);
  color: var(--tfs-color-primary-dark);
  text-decoration: none;
}

/* Variante white — per sezioni con sfondo scuro */
.tfs-btn-white {
  background-color: var(--tfs-color-white);
  color: var(--tfs-color-primary);
  border-color: var(--tfs-color-white);
}

.tfs-btn-white:hover {
  background-color: var(--tfs-color-primary-tint);
  color: var(--tfs-color-primary-dark);
  border-color: var(--tfs-color-primary-tint);
  text-decoration: none;
}

/* Dimensioni */
.tfs-btn-sm {
  padding: var(--tfs-space-2) var(--tfs-space-4);
  font-size: var(--tfs-fs-sm);
}

.tfs-btn-lg {
  padding: var(--tfs-space-4) var(--tfs-space-8);
  font-size: var(--tfs-fs-lg);
}

.tfs-btn-xl {
  padding: var(--tfs-space-5) var(--tfs-space-10);
  font-size: var(--tfs-fs-xl);
}

/* Full-width */
.tfs-btn-block {
  display: flex;
  width: 100%;
}

/* ============================================
   CARD — .tfs-card
   ============================================ */

.tfs-card {
  background-color: var(--tfs-color-white);
  border: 1px solid var(--tfs-color-border);
  border-radius: var(--tfs-radius-lg);
  overflow: hidden;
  transition: all var(--tfs-duration-base) var(--tfs-ease-out);
}

.tfs-card:hover {
  border-color: var(--tfs-color-primary);
  box-shadow: var(--tfs-shadow-lg);
  transform: translateY(-2px);
}

.tfs-card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

.tfs-card-body {
  padding: var(--tfs-space-6);
}

.tfs-card-title {
  font-size: var(--tfs-fs-xl);
  font-weight: var(--tfs-fw-bold);
  color: var(--tfs-color-primary);
  margin-bottom: var(--tfs-space-2);
  line-height: var(--tfs-lh-snug);
}

.tfs-card-text {
  color: var(--tfs-color-text-muted);
  margin-bottom: var(--tfs-space-4);
  line-height: var(--tfs-lh-relaxed);
}

.tfs-card-footer {
  padding: var(--tfs-space-4) var(--tfs-space-6);
  background-color: var(--tfs-color-gray-50);
  border-top: 1px solid var(--tfs-color-border);
}

/* ============================================
   BADGE — etichette piccole (status, tag)
   ============================================ */

.tfs-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--tfs-space-1) var(--tfs-space-3);
  font-size: var(--tfs-fs-xs);
  font-weight: var(--tfs-fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tfs-ls-wide);
  border-radius: var(--tfs-radius-full);
  line-height: 1.4;
}

.tfs-badge-primary { background-color: var(--tfs-color-primary-tint); color: var(--tfs-color-primary-dark); }
.tfs-badge-accent  { background-color: #FFE8D6; color: var(--tfs-color-accent-dark); }
.tfs-badge-success { background-color: #D4F0D8; color: var(--tfs-color-success); }
.tfs-badge-warning { background-color: #FAF0C7; color: #9E7800; }
.tfs-badge-error   { background-color: #FADBD8; color: var(--tfs-color-error); }
.tfs-badge-neutral { background-color: var(--tfs-color-gray-200); color: var(--tfs-color-gray-800); }

/* ============================================
   PARTNER LOGO — griglia loghi partner
   ============================================ */

.tfs-partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--tfs-space-4);
  background-color: var(--tfs-color-white);
  border: 1px solid var(--tfs-color-border);
  border-radius: var(--tfs-radius-md);
  min-height: 100px;
  transition: all var(--tfs-duration-base) var(--tfs-ease-out);
}

.tfs-partner-logo img {
  max-width: 100%;
  max-height: 60px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.75;
  transition: all var(--tfs-duration-base) var(--tfs-ease-out);
}

.tfs-partner-logo:hover {
  border-color: var(--tfs-color-primary);
  box-shadow: var(--tfs-shadow-md);
}

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

/* Variante: loghi sempre a colori (senza effetto grayscale) */
.tfs-partner-logo-color img {
  filter: none;
  opacity: 1;
}

/* ============================================
   TRUST BADGE — certificazioni prominenti
   ============================================ */

.tfs-trust-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--tfs-space-3);
  padding: var(--tfs-space-3) var(--tfs-space-5);
  background-color: var(--tfs-color-white);
  border: 2px solid var(--tfs-color-primary);
  border-radius: var(--tfs-radius-lg);
  font-weight: var(--tfs-fw-semibold);
  color: var(--tfs-color-primary);
  text-decoration: none;
  transition: all var(--tfs-duration-base) var(--tfs-ease-out);
}

.tfs-trust-badge:hover {
  background-color: var(--tfs-color-primary);
  color: var(--tfs-color-white);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--tfs-shadow-md);
}

.tfs-trust-badge-icon {
  font-size: 1.5em;
  line-height: 1;
}

/* ============================================
   HERO — sezione di apertura pagina
   ============================================ */

.tfs-hero {
  position: relative;
  padding-top: var(--tfs-space-24);
  padding-bottom: var(--tfs-space-24);
  background-color: var(--tfs-color-primary);
  color: var(--tfs-color-white);
  overflow: hidden;
}

.tfs-hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.tfs-hero-title {
  font-size: var(--tfs-fs-6xl);
  font-weight: var(--tfs-fw-extrabold);
  line-height: 1.05;
  color: var(--tfs-color-white);
  margin-bottom: var(--tfs-space-6);
  letter-spacing: var(--tfs-ls-tight);
}

.tfs-hero-subtitle {
  font-size: var(--tfs-fs-xl);
  font-weight: var(--tfs-fw-regular);
  line-height: var(--tfs-lh-relaxed);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--tfs-space-8);
  max-width: 650px;
}

.tfs-hero-cta-group {
  display: flex;
  gap: var(--tfs-space-4);
  flex-wrap: wrap;
}

/* Responsive hero */
@media (max-width: 768px) {
  .tfs-hero {
    padding-top: var(--tfs-space-16);
    padding-bottom: var(--tfs-space-16);
  }
  .tfs-hero-title { font-size: var(--tfs-fs-4xl); }
  .tfs-hero-subtitle { font-size: var(--tfs-fs-lg); }
}

/* ============================================
   SECTION HEADER — titolo + sottotitolo sezione
   ============================================ */

.tfs-section-header {
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--tfs-space-12);
}

.tfs-section-eyebrow {
  display: inline-block;
  font-size: var(--tfs-fs-sm);
  font-weight: var(--tfs-fw-semibold);
  color: var(--tfs-color-accent);
  text-transform: uppercase;
  letter-spacing: var(--tfs-ls-wider);
  margin-bottom: var(--tfs-space-3);
}

.tfs-section-title {
  font-size: var(--tfs-fs-4xl);
  font-weight: var(--tfs-fw-bold);
  color: var(--tfs-color-primary);
  margin-bottom: var(--tfs-space-4);
  line-height: var(--tfs-lh-tight);
}

.tfs-section-description {
  font-size: var(--tfs-fs-lg);
  color: var(--tfs-color-text-muted);
  line-height: var(--tfs-lh-relaxed);
}

/* ============================================
   DIVIDER — separatori decorativi
   ============================================ */

.tfs-divider {
  width: 60px;
  height: 4px;
  background-color: var(--tfs-color-accent);
  border-radius: var(--tfs-radius-full);
  margin: var(--tfs-space-4) 0;
}

.tfs-divider-center {
  margin-left: auto;
  margin-right: auto;
}