/* ============================================
   COMPONENTS.CSS — Header, Footer, Cards, Form
   Dott.ssa Federica Rota · Allergologia Roma
   Direzione B — Calore Nordico · v2.0
   ============================================ */

/* ================================================
   HEADER
   ================================================ */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: rgba(245,242,237,0.92);
  border-bottom: 1px solid rgba(26,46,46,0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: box-shadow var(--transition), background-color var(--transition);
}

.site-header .container {
  max-width: 100%;
  padding-left: max(2rem, 4vw);
  padding-right: max(2rem, 4vw);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background-color: rgba(245,242,237,0.98);
}

.header-inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

/* Logo */
.site-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo__name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: var(--font-semibold);
  color: var(--color-text);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.site-logo__tagline {
  font-size: 0.6rem;
  color: var(--color-primary);
  line-height: 1.3;
  font-weight: var(--font-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* Nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 6px 14px;
  font-size: 0.92rem;
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  transition: color var(--transition), background-color var(--transition);
  white-space: nowrap;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background-color: rgba(10,96,96,0.08);
}

/* Dropdown */
.nav-item--dropdown { position: relative; }

.nav-link--dropdown .dropdown-arrow {
  font-size: 0.6em;
  transition: transform var(--transition);
  opacity: 0.6;
}

.nav-item--dropdown:hover .dropdown-arrow,
.nav-item--dropdown:focus-within .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 260px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  z-index: 200;
}

.nav-item--dropdown:hover .dropdown-menu,
.nav-item--dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: background-color var(--transition), color var(--transition);
  text-decoration: none;
  font-weight: var(--font-medium);
}

.dropdown-item:hover {
  background-color: rgba(10,96,96,0.08);
  color: var(--color-primary);
}

/* Header CTA */
.header-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  align-self: center;
  gap: 2px;
  flex-shrink: 0;
}

.header-cta__label {
  font-size: 0.6rem;
  color: var(--color-text-light);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: var(--font-medium);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-2);
  cursor: pointer;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
}

.hamburger__line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger[aria-expanded="true"] .hamburger__line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0; right: 0; bottom: 0;
  background-color: var(--color-bg-warm);
  z-index: 99;
  overflow-y: auto;
  padding: var(--space-6) var(--space-5);
  border-top: 1px solid var(--color-border-light);
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav.is-open { display: flex; }

.mobile-nav__link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--color-text);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background-color var(--transition);
}

.mobile-nav__link:hover {
  background-color: rgba(10,96,96,0.08);
  color: var(--color-primary);
}

.mobile-nav__sublabel {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.mobile-nav__submenu {
  padding-left: var(--space-4);
  margin-top: var(--space-1);
  border-left: 2px solid var(--color-border);
}

.mobile-nav__sublink {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}

.mobile-nav__sublink:hover { color: var(--color-primary); }

.mobile-nav__cta {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

/* ================================================
   TRUST BAR
   ================================================ */
.trust-bar {
  background-color: var(--color-white);
  padding: 18px 0;
  border-top: 1px solid rgba(26,46,46,0.07);
  border-bottom: 1px solid rgba(26,46,46,0.07);
}

.trust-bar__list {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-14);
}

.trust-bar__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
}

.trust-bar__icon {
  width: 28px;
  height: 28px;
  background: rgba(10,96,96,0.1);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
}

.trust-bar__sep {
  width: 1px;
  height: 18px;
  background: rgba(26,46,46,0.1);
  flex-shrink: 0;
}

/* ================================================
   SERVICE CARD
   ================================================ */
.service-card {
  background-color: var(--color-white);
  border: 1px solid rgba(26,46,46,0.08);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  text-decoration: none;
  color: inherit;
  display: block;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-spring), box-shadow var(--transition), border-color var(--transition);
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(10,96,96,0.2);
  color: inherit;
}

.service-card:hover::after { transform: scaleX(1); }

.service-card__icon {
  width: 44px;
  height: 44px;
  background: rgba(10,96,96,0.08);
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--color-primary);
  border: 1px solid rgba(10,96,96,0.12);
  transition: background-color var(--transition), color var(--transition), transform var(--transition-spring);
}

.service-card:hover .service-card__icon {
  background: var(--color-primary);
  color: var(--color-white);
  transform: scale(1.06);
}

.service-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
  font-weight: var(--font-light);
}

.service-card__link {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: gap var(--transition);
}

.service-card:hover .service-card__link { gap: var(--space-3); }

/* ================================================
   DIFF ITEM (differenziatori)
   ================================================ */
.diff-item {
  padding: 32px 28px;
  background: var(--color-bg-warm);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(26,46,46,0.07);
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.diff-item__icon {
  width: 52px;
  height: 52px;
  background: var(--color-primary);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  margin-bottom: 20px;
  box-shadow: 0 6px 16px rgba(10,96,96,0.28);
}

.diff-item__stat {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: var(--font-bold);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 4px;
  display: block;
}

.diff-item__stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: var(--font-medium);
  display: block;
  margin-bottom: 20px;
}

.diff-item__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.diff-item__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  font-weight: var(--font-light);
}

/* ================================================
   STEPS
   ================================================ */
.steps-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.steps-list::before {
  content: '';
  position: absolute;
  top: 27px;
  left: calc(12.5% + 22px);
  right: calc(12.5% + 22px);
  height: 1px;
  background: rgba(10,96,96,0.2);
  pointer-events: none;
  z-index: 0;
}

.step {
  text-align: center;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

.step__number {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: var(--font-semibold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  box-shadow: 0 4px 16px rgba(10,96,96,0.3);
  border: 3px solid var(--color-bg-warm);
  outline: 2px solid rgba(10,96,96,0.2);
}

.step__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
  color: var(--color-text);
  line-height: 1.3;
}

.step__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  font-weight: var(--font-light);
}

/* ================================================
   FAQ ACCORDION
   ================================================ */
.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px solid rgba(26,46,46,0.08);
  overflow: hidden;
}

.faq-item:first-child {
  border-top: 1px solid rgba(26,46,46,0.08);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  gap: 16px;
  font-family: var(--font-sans);
  transition: color var(--transition);
}

.faq-question__text {
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-text);
  line-height: 1.4;
  transition: color var(--transition);
}

.faq-question:hover .faq-question__text { color: var(--color-primary); }

.faq-icon {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  background: rgba(26,46,46,0.06);
  border: 1px solid rgba(26,46,46,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--transition);
  font-size: 1rem;
  line-height: 1;
  font-weight: 300;
}

.faq-item.is-open .faq-icon {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  transform: rotate(45deg);
}

.faq-item.is-open .faq-question__text { color: var(--color-primary); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4,0,0.2,1);
}

.faq-item.is-open .faq-answer { max-height: 800px; }

.faq-answer__inner {
  padding-bottom: 22px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  font-weight: var(--font-light);
  border-left: 2px solid rgba(10,96,96,0.2);
  padding-left: 18px;
}

/* ================================================
   FORM
   ================================================ */
.form-group { margin-bottom: var(--space-4); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.form-required { color: var(--color-primary); margin-left: 2px; }

.form-optional {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  font-weight: var(--font-normal);
  text-transform: none;
  letter-spacing: 0;
  margin-left: 4px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid rgba(26,46,46,0.12);
  border-radius: var(--radius-md);
  background: #f7f9f9;
  color: var(--color-text);
  font-size: var(--text-sm);
  font-family: var(--font-sans);
  transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
  appearance: none;
}

.form-control::placeholder { color: var(--color-text-light); }

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(10,96,96,0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 88px;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  margin-top: 3px;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--color-primary);
}

.form-checkbox__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.form-checkbox__label a { color: var(--color-primary); }

.form-submit {
  margin-top: var(--space-5);
  text-align: center;
}

.form-status {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  text-align: center;
  display: none;
}

.form-status--success {
  background: #f0fdf4;
  color: #16a34a;
  border: 1px solid #bbf7d0;
}

.form-status--error {
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
}

/* ================================================
   LOCATION DETAIL ITEMS
   ================================================ */
.location-detail {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.location-detail__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(26,46,46,0.07);
  transition: border-color var(--transition);
}

.location-detail__item:hover { border-color: rgba(10,96,96,0.2); }

.location-detail__icon {
  width: 38px;
  height: 38px;
  background: rgba(10,96,96,0.09);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
  border: 1px solid rgba(10,96,96,0.12);
}

.location-detail__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  font-weight: var(--font-light);
}

.location-detail__text strong {
  display: block;
  color: var(--color-text);
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  margin-bottom: 2px;
}

/* Map */
.map-container {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(26,46,46,0.07);
  aspect-ratio: 4/3;
  max-height: 380px;
  box-shadow: var(--shadow-sm);
  background: var(--color-bg-card);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: none;
}

/* ================================================
   REVIEW CARD
   ================================================ */
.review-card {
  background: var(--color-white);
  border: 1px solid rgba(26,46,46,0.08);
  border-radius: var(--radius-xl);
  padding: 28px;
  position: relative;
}

.review-card::before {
  content: '\201C';
  position: absolute;
  top: 1rem; right: 1.5rem;
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 1;
  color: rgba(10,96,96,0.08);
  font-weight: var(--font-bold);
  pointer-events: none;
}

.review-stars {
  display: flex;
  gap: 3px;
  margin-bottom: var(--space-4);
}

.review-stars svg {
  width: 16px;
  height: 16px;
  fill: #f59e0b;
}

.review-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  font-style: italic;
  margin-bottom: var(--space-5);
  font-weight: var(--font-light);
}

.review-author {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.review-author::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
}

/* ================================================
   FOOTER
   ================================================ */
.site-footer {
  background-color: var(--color-footer-dark);
  color: var(--color-footer-text);
  padding-top: var(--space-20);
  padding-bottom: var(--space-10);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

.footer-col__title {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: rgba(255,255,255,0.3);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-5);
}

.footer-brand__name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: var(--font-semibold);
  color: var(--color-white);
  margin-bottom: var(--space-1);
  letter-spacing: -0.01em;
}

.footer-brand__specialty {
  font-size: 0.6rem;
  color: rgba(10,155,155,0.7);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: var(--font-medium);
}

.footer-brand__address {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: rgba(168,200,200,0.55);
  font-style: normal;
  font-weight: var(--font-light);
}

.footer-contact-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-size: var(--text-sm);
}

.footer-contact-item a {
  color: var(--color-footer-text);
  text-decoration: none;
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-contact-item a:hover { color: var(--color-white); }

.footer-links__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links__item a {
  font-size: var(--text-sm);
  color: rgba(168,200,200,0.6);
  text-decoration: none;
  transition: color var(--transition), padding-left var(--transition);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-links__item a::before {
  content: '';
  display: inline-block;
  width: 10px;
  height: 1px;
  background: var(--color-primary);
  flex-shrink: 0;
  transition: width var(--transition);
}

.footer-links__item a:hover { color: rgba(255,255,255,0.85); }
.footer-links__item a:hover::before { width: 18px; }

.footer-hours {
  font-size: var(--text-sm);
  color: var(--color-footer-text);
  line-height: var(--leading-relaxed);
  font-weight: var(--font-light);
}

.footer-legal {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.footer-legal__copy {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.2);
}

.footer-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
}

.footer-legal__links a {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.25);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-legal__links a:hover { color: rgba(255,255,255,0.6); }

.footer-legal__deontology {
  width: 100%;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.14);
  font-style: italic;
  line-height: 1.6;
  margin-top: var(--space-2);
}

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .steps-list { grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
  .steps-list::before { display: none; }
}

@media (max-width: 768px) {
  .site-nav,
  .header-cta { display: none; }
  .hamburger { display: flex; }

  .trust-bar__list { flex-direction: column; gap: var(--space-4); align-items: flex-start; padding: 0 var(--space-4); }
  .trust-bar__sep { display: none; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-legal { flex-direction: column; align-items: flex-start; }

  .steps-list { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }
}