/* ============================================================
   Le Strade di Luca — Foglio di stile principale
   Design: pulito, istituzionale, accessibile
   ============================================================ */

/* --- Variabili CSS --- */
:root {
  --color-primary:    #1a3a5c;
  --color-primary-dark: #0f2540;
  --color-accent:     #2d8a4e;
  --color-accent-dark: #1e6b3a;
  --color-bg:         #ffffff;
  --color-bg-soft:    #f4f7fb;
  --color-bg-dark:    #1a3a5c;
  --color-text:       #2c3e50;
  --color-text-light: #5a6a7a;
  --color-border:     #dde3ea;
  --color-white:      #ffffff;

  --font-family:      'Inter', sans-serif;
  --font-size-base:   16px;
  --line-height:      1.7;

  --radius:           8px;
  --radius-lg:        16px;
  --shadow-sm:        0 2px 8px rgba(26,58,92,0.08);
  --shadow-md:        0 4px 20px rgba(26,58,92,0.12);
  --transition:       0.25s ease;

  --max-width:        1100px;
  --spacing-section:  80px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: var(--font-size-base); scroll-behavior: smooth; }

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: var(--line-height);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }

ul { list-style: none; }

/* --- Tipografia --- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-primary);
}
h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

/* --- Layout Utilities --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: var(--spacing-section) 0;
}

.section--soft { background: var(--color-bg-soft); }
.section--dark {
  background: var(--color-bg-dark);
  color: var(--color-white);
}
.section--dark h2, .section--dark h3 { color: var(--color-white); }

.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header h2 { margin-bottom: 12px; }
.section-header p { color: var(--color-text-light); max-width: 620px; margin: 0 auto; }
.section--dark .section-header p { color: rgba(255,255,255,0.75); }

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 10px;
}
.section--dark .section-label { color: #f4a79f; }

/* --- Bottoni --- */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  text-align: center;
}

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

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

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

/* --- Navbar --- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary);
}
.navbar__logo:hover { color: var(--color-primary); }

.navbar__logo-icon {
  width: 38px;
  height: 38px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.navbar__nav { display: flex; align-items: center; gap: 4px; }

.navbar__nav a {
  padding: 6px 14px;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.93rem;
  color: var(--color-text);
  transition: all var(--transition);
}
.navbar__nav a:hover,
.navbar__nav a.active {
  background: var(--color-bg-soft);
  color: var(--color-primary);
}

.navbar__cta {
  background: var(--color-accent) !important;
  color: var(--color-white) !important;
  padding: 8px 18px !important;
}
.navbar__cta:hover {
  background: var(--color-accent-dark) !important;
  color: var(--color-white) !important;
}

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}
.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}
.navbar__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__hamburger.open span:nth-child(2) { opacity: 0; }
.navbar__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Hero Slider --- */
.hero-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: var(--color-primary-dark);
  min-height: 520px;
  display: flex;
  align-items: center;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center center;
  opacity: 0;
  transition: opacity 0.9s ease;
  display: flex;
  align-items: center;
}
.hero-slide.active { opacity: 1; z-index: 1; }
.hero-slide:not(.active) { z-index: 0; }

/* Overlay scuro per leggibilità testo */
.hero-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(10, 25, 47, 0.78) 0%,
    rgba(10, 25, 47, 0.55) 60%,
    rgba(10, 25, 47, 0.25) 100%
  );
}

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: 780px;
  padding: 80px 0;
  color: var(--color-white);
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  margin-bottom: 24px;
}

.hero__inner h1 {
  color: var(--color-white);
  margin-bottom: 20px;
}

.hero__quote {
  font-size: clamp(1.05rem, 2.5vw, 1.2rem);
  font-style: italic;
  color: rgba(255,255,255,0.88);
  border-left: 3px solid var(--color-accent);
  padding-left: 20px;
  margin-bottom: 36px;
  line-height: 1.65;
}

.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Controlli slider */
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  backdrop-filter: blur(4px);
}
.slider-btn:hover { background: rgba(255,255,255,0.3); }
.slider-btn--prev { left: 16px; }
.slider-btn--next { right: 16px; }

.slider-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 8px;
}
.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.slider-dot.active {
  background: white;
  transform: scale(1.2);
}

/* --- Immagine con testo (photo-pair) --- */
.photo-img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  display: block;
}

/* Badge immagini (ONLUS, 5x1000) */
.badge-img {
  max-width: 200px;
  margin: 0 auto 20px;
  display: block;
}

/* --- Hero (pagine interne, senza slider) --- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2d5a8e 100%);
  color: var(--color-white);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

/* --- Card Grid --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: var(--color-bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.card__photo-wrap {
  margin: 0 -32px 24px;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.card__photo-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

.card h3 { margin-bottom: 10px; }
.card p { color: var(--color-text-light); font-size: 0.95rem; margin-bottom: 20px; }

.card__link {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.card__link:hover { color: var(--color-accent-dark); gap: 10px; }

/* --- Mission strip --- */
.mission {
  padding: 60px 0;
  background: var(--color-bg-soft);
  border-top: 4px solid var(--color-accent);
}
.mission__text {
  max-width: 820px;
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  line-height: 1.8;
  color: var(--color-text);
}

/* --- Banner 5x1000 --- */
.banner-5x1000 {
  background: var(--color-accent);
  color: white;
  padding: 48px 0;
  text-align: center;
}
.banner-5x1000 h2 { color: white; margin-bottom: 10px; }
.banner-5x1000 p { color: rgba(255,255,255,0.85); margin-bottom: 24px; }

/* --- Social Bar --- */
.social-bar {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 50px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: white;
  font-size: 0.88rem;
  font-weight: 500;
  transition: all var(--transition);
}
.social-link:hover {
  background: rgba(255,255,255,0.22);
  color: white;
  transform: translateY(-2px);
}

.social-bar--light .social-link {
  background: var(--color-bg-soft);
  border-color: var(--color-border);
  color: var(--color-text);
}
.social-bar--light .social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* --- Page Hero (pagine interne) --- */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2d5a8e 100%);
  color: white;
  padding: 64px 0 52px;
}
.page-hero h1 { color: white; margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,0.8); font-size: 1.1rem; max-width: 600px; }

/* --- Attività sezioni --- */
.activity-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.activity-section--reverse { direction: rtl; }
.activity-section--reverse > * { direction: ltr; }

.activity-visual {
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  text-align: center;
  font-size: 5rem;
  line-height: 1;
}

.activity-content h2 { margin-bottom: 16px; }
.activity-content p { color: var(--color-text-light); margin-bottom: 16px; }

.activity-list {
  margin: 20px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.activity-list li {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  padding: 5px 14px;
  font-size: 0.88rem;
  color: var(--color-text);
}

/* --- Timeline --- */
.timeline { position: relative; padding: 20px 0; }
.timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-year {
  position: relative;
  padding-left: 72px;
  margin-bottom: 40px;
}

.timeline-year__label {
  position: absolute;
  left: 0;
  top: 0;
  width: 58px;
  height: 58px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  z-index: 1;
  border: 3px solid white;
  box-shadow: var(--shadow-sm);
}

.timeline-year h3 {
  margin-bottom: 16px;
  padding-top: 14px;
  color: var(--color-primary);
}

.timeline-events { display: flex; flex-direction: column; gap: 10px; }

.timeline-event {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: box-shadow var(--transition);
}
.timeline-event:hover { box-shadow: var(--shadow-sm); }

.timeline-event__date {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-accent);
  white-space: nowrap;
  min-width: 80px;
  padding-top: 2px;
}

.timeline-event__text {
  font-size: 0.93rem;
  color: var(--color-text);
  line-height: 1.5;
}

.timeline-event--highlight {
  border-left: 3px solid var(--color-accent);
  background: #fff9f9;
}

/* --- Form Contatti --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-form { background: var(--color-white); }

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 6px;
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-family);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26,58,92,0.1);
}
.form-group textarea { resize: vertical; min-height: 130px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.contact-info h3 { margin-bottom: 20px; }

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}
.contact-info__item-icon {
  width: 42px;
  height: 42px;
  background: var(--color-bg-soft);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-info__item-text strong { display: block; font-size: 0.85rem; color: var(--color-text-light); margin-bottom: 2px; }
.contact-info__item-text a { color: var(--color-primary); font-weight: 500; }
.contact-info__item-text a:hover { color: var(--color-accent); }

/* --- Chi siamo --- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-visual {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2d5a8e 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  color: white;
}
.about-visual-icon { font-size: 5rem; margin-bottom: 16px; }
.about-visual h3 { color: white; font-size: 1.3rem; }
.about-visual p { color: rgba(255,255,255,0.8); font-size: 0.95rem; }

.passioni-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.passione-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
}
.passione-card__icon { font-size: 2rem; margin-bottom: 10px; }
.passione-card h4 { color: var(--color-primary); margin-bottom: 6px; }
.passione-card p { color: var(--color-text-light); font-size: 0.88rem; margin: 0; }

.docs-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.doc-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-weight: 500;
  transition: all var(--transition);
}
.doc-item:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* --- Footer --- */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 28px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer__brand { }
.footer__logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer__logo-icon {
  width: 34px;
  height: 34px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.footer__tagline { font-size: 0.9rem; line-height: 1.6; }

.footer__col h4 {
  color: white;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 8px; }
.footer__col ul li a {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer__col ul li a:hover { color: white; }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.83rem;
}
.footer__bottom a { color: rgba(255,255,255,0.6); }
.footer__bottom a:hover { color: white; }

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 900px) {
  .activity-section,
  .about-intro,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .activity-section--reverse { direction: ltr; }

  .footer__grid { grid-template-columns: 1fr 1fr; }
  .passioni-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --spacing-section: 56px; }

  .navbar__nav { display: none; flex-direction: column; gap: 4px; }
  .navbar__nav.open {
    display: flex;
    position: absolute;
    top: 68px;
    left: 0; right: 0;
    background: white;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 20px;
    box-shadow: var(--shadow-md);
  }
  .navbar__nav a { padding: 10px 12px; width: 100%; }
  .navbar__hamburger { display: flex; }

  .hero { padding: 64px 0 56px; }
  .hero__actions { flex-direction: column; align-items: flex-start; }

  .card-grid { grid-template-columns: 1fr; }

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

  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; text-align: center; }

  .passioni-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .timeline::before { left: 20px; }
  .timeline-year { padding-left: 52px; }
  .timeline-year__label { width: 42px; height: 42px; font-size: 0.72rem; }
  .timeline-event { flex-direction: column; gap: 4px; }
  .timeline-event__date { min-width: auto; }
}