/* ==========================================================================
   Associazione Arnaldo Forlani — Stylesheet
   Design system: blu istituzionale, oro sobrio, bianco avorio, grigio pietra
   Mobile-first, accessibile, performante
   ========================================================================== */

/* --- Self-hosted fonts (latin) --- */
@font-face {
  font-family: 'Cormorant Garamond';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('assets/fonts/cormorant-garamond-normal-500.woff2') format('woff2');
}

@font-face {
  font-family: 'Cormorant Garamond';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('assets/fonts/cormorant-garamond-normal-600.woff2') format('woff2');
}

@font-face {
  font-family: 'Cormorant Garamond';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('assets/fonts/cormorant-garamond-normal-700.woff2') format('woff2');
}

@font-face {
  font-family: 'Cormorant Garamond';
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url('assets/fonts/cormorant-garamond-italic-500.woff2') format('woff2');
}

@font-face {
  font-family: 'Source Sans 3';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('assets/fonts/source-sans-3-normal-400.woff2') format('woff2');
}

@font-face {
  font-family: 'Source Sans 3';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('assets/fonts/source-sans-3-normal-600.woff2') format('woff2');
}

@font-face {
  font-family: 'Source Sans 3';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('assets/fonts/source-sans-3-normal-700.woff2') format('woff2');
}

@font-face {
  font-family: 'Source Sans 3';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('assets/fonts/source-sans-3-italic-400.woff2') format('woff2');
}

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #1A2B4A;
  --color-primary-light: #2A3F66;
  --color-accent: #B8952E;
  --color-accent-hover: #9A7B24;
  --color-bg: #FAF9F6;
  --color-bg-alt: #F0EDE8;
  --color-text: #2C2C2C;
  --color-text-muted: #5C5F66;
  --color-white: #FFFFFF;
  --color-border: #D8D4CC;

  --font-heading: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-body: 'Source Sans 3', system-ui, -apple-system, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --container-max: 72rem;
  --header-height: 4.5rem;
  --radius: 4px;
  --shadow: 0 2px 12px rgba(26, 43, 74, 0.08);
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition);
}

a:hover,
a:focus-visible {
  color: var(--color-accent);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-primary);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p { margin-bottom: var(--space-sm); }
p:last-child { margin-bottom: 0; }

address { font-style: normal; }

code {
  font-family: 'Source Sans 3', monospace;
  font-size: 0.9em;
  background: var(--color-bg-alt);
  padding: 0.15em 0.4em;
  border-radius: var(--radius);
}

/* --- Utility --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  z-index: 9999;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: var(--space-sm);
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(250, 249, 246, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-header.nav-open {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow);
}

.site-header.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow);
}

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

.logo-link,
.nav-toggle {
  position: relative;
  z-index: 2;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-primary);
  flex-shrink: 0;
}

.logo-link:hover,
.logo-link:focus-visible {
  color: var(--color-primary);
}

.logo-portrait {
  width: 2.75rem;
  height: 2.75rem;
  object-fit: cover;
  object-position: center 18%;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--color-white);
  box-shadow: 0 0 0 1px var(--color-border);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-name {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-primary);
  max-width: 12rem;
}

.logo-place {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

@media (max-width: 380px) {
  .logo-text {
    display: none;
  }
}

/* --- Navigation --- */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  z-index: 1001;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  transition: transform var(--transition), opacity var(--transition);
  border-radius: 1px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--header-height);
  z-index: 998;
  background: rgba(26, 43, 74, 0.28);
  border: none;
  padding: 0;
  cursor: pointer;
}

.nav-backdrop.is-visible {
  display: block;
}

.main-nav {
  position: absolute;
  top: calc(var(--header-height) - 0.25rem);
  left: clamp(1rem, 4vw, 2rem);
  right: clamp(1rem, 4vw, 2rem);
  z-index: 999;
  max-width: 20rem;
  margin-left: auto;
  padding: 0.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  box-shadow: 0 10px 32px rgba(26, 43, 74, 0.12);
  transform: translateY(-0.35rem);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.main-nav.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.nav-list a {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
  color: var(--color-primary);
  display: block;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius);
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--color-accent);
  background: var(--color-bg-alt);
}

.nav-cta {
  margin-top: 0.25rem;
  padding: 0.7rem 0.85rem !important;
  background: var(--color-primary);
  color: var(--color-white) !important;
  text-align: center;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--color-primary-light);
  color: var(--color-white) !important;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.75em 1.75em;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

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

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

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

.btn-outline:hover,
.btn-outline:focus-visible {
  background: var(--color-white);
  color: var(--color-primary);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('assets/hero-ascoli.jpg') center / cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(26, 43, 74, 0.88) 0%,
    rgba(26, 43, 74, 0.65) 50%,
    rgba(26, 43, 74, 0.78) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 42rem;
  padding-block: var(--space-2xl);
  color: var(--color-white);
}

.hero-eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.hero-content h1 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.hero-claim {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  font-style: italic;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-md);
}

.hero-intro {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-lg);
}

/* --- Sections --- */
.section {
  padding-block: var(--space-2xl);
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

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

.section-header--center {
  text-align: center;
  max-width: 40rem;
  margin-inline: auto;
  margin-bottom: var(--space-xl);
}

.section-lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

.section-grid {
  display: grid;
  gap: var(--space-lg);
}

.portrait-figure {
  margin-top: var(--space-md);
}

.portrait-figure img {
  width: 100%;
  max-width: 20rem;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center 15%;
  background: var(--color-white);
  border: 1px solid var(--color-border);
}

.portrait-figure figcaption {
  margin-top: var(--space-xs);
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-style: italic;
  color: var(--color-text-muted);
}

.section-body.prose p {
  margin-bottom: var(--space-md);
}

/* --- Cards --- */
.cards-grid {
  display: grid;
  gap: var(--space-md);
}

.card {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.card:hover {
  box-shadow: var(--shadow);
}

.card-icon {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.card-icon svg {
  width: 100%;
  height: 100%;
}

.card h3 {
  margin-bottom: var(--space-xs);
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.975rem;
}

/* --- Activities --- */
.activities-grid {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.activity {
  padding: var(--space-md);
  border-left: 3px solid var(--color-accent);
}

.activity h3 {
  margin-bottom: var(--space-xs);
}

.activity p {
  color: var(--color-text-muted);
  font-size: 0.975rem;
}

/* --- Highlight Box --- */
.highlight-box {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius);
}

.highlight-box .section-label {
  color: var(--color-accent);
}

.highlight-box h3 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.highlight-box p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.975rem;
}

/* --- Territory --- */
.territory-grid {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

.territory-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.territory-content p {
  color: var(--color-text-muted);
}

.sedi-grid {
  display: grid;
  gap: var(--space-md);
  max-width: 40rem;
  margin-inline: auto;
}

/* --- CTA Section --- */
.cta-section {
  background: var(--color-primary);
  color: var(--color-white);
  text-align: center;
}

.cta-inner h2 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 36rem;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.contact-card {
  background: var(--color-white);
  padding: var(--space-md);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.contact-card h3 {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.contact-card a {
  font-size: 0.9375rem;
  word-break: break-word;
  overflow-wrap: anywhere;
}

/* --- Donation Box --- */
.donation-box {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.donation-box h3 {
  margin-bottom: var(--space-xs);
}

.bank-details {
  display: grid;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.bank-details div {
  display: grid;
  gap: 0.15rem;
}

.bank-details dt {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.bank-details dd {
  font-size: 0.975rem;
}

.bank-details code {
  font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, monospace;
  font-size: 0.9375rem;
  background: var(--color-bg-alt);
  padding: 0.2em 0.5em;
  border-radius: var(--radius);
}

.social-follow {
  margin-top: var(--space-lg);
}

.btn-facebook {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7em 1.25em;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-white);
  background: #1877F2;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}

.btn-facebook:hover,
.btn-facebook:focus-visible {
  background: #0f5ecf;
  color: var(--color-white);
}

.btn-facebook-icon {
  flex-shrink: 0;
}

.contact-card--social .btn-facebook {
  margin-top: 0.15rem;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.8);
  padding-top: var(--space-xl);
}

.footer-grid {
  display: grid;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
}

.footer-brand img,
.footer-logo {
  margin-bottom: var(--space-sm);
  width: 3.5rem;
  height: 3.5rem;
  object-fit: cover;
  object-position: center 18%;
  border-radius: 50%;
  background: var(--color-white);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.footer-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
}

.footer-legal-name {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.25rem;
}

.footer-links h3,
.footer-legal h3 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.footer-links ul {
  list-style: none;
}

.footer-links a,
.footer-legal a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.9375rem;
  line-height: 2;
}

.footer-links a:hover,
.footer-legal a:hover,
.footer-links a:focus-visible,
.footer-legal a:focus-visible {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-block: var(--space-md);
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
}

/* --- Reveal Animations (only when JS is available) --- */
html.js .reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

html.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Focus Styles --- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  html.js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* --- Tablet (768px+) --- */
@media (min-width: 48rem) {
  .nav-toggle { display: none; }

  .nav-backdrop { display: none !important; }

  .main-nav {
    position: static;
    top: auto;
    left: auto;
    right: auto;
    max-width: none;
    margin: 0;
    padding: 0;
    background: none;
    border: none;
    border-radius: 0;
    box-shadow: none;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-md);
  }

  .nav-list a {
    font-size: 0.9375rem;
    padding: var(--space-xs) 0;
    border-radius: 0;
  }

  .nav-list a:hover,
  .nav-list a:focus-visible {
    background: none;
  }

  .nav-cta {
    display: inline-block;
    margin-top: 0;
    padding: 0.6em 1.4em !important;
  }

  .section-grid {
    grid-template-columns: 1fr 2fr;
    gap: var(--space-xl);
  }

  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .activities-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .territory-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }

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

  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bank-details {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

/* --- Desktop (1024px+) --- */
@media (min-width: 64rem) {
  .contact-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .contact-grid .contact-card {
    grid-column: span 2;
  }

  .contact-grid .contact-card:nth-child(4),
  .contact-grid .contact-card:nth-child(5),
  .contact-grid .contact-card:nth-child(6) {
    grid-column: span 2;
  }

  .highlight-box {
    padding: var(--space-xl);
  }
}