@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,700&family=Source+Sans+3:wght@400;600&display=swap');

:root {
  --color-bg: #F3EDE3;
  --color-text: #1A1A1A;
  --color-accent: #2B4C6F;
  --color-header: #F3EDE3;
  --color-menu: #2B4C6F;
  --color-footer: #2B4C6F;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Source Sans 3', 'Segoe UI', sans-serif;
  --max-width: 72rem;
  --nav-height: 3.75rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(rgba(43, 76, 111, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.35), transparent 40%);
  background-size: 4px 4px, 100% 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  opacity: 0.85;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-header) 92%, white);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid color-mix(in srgb, var(--color-menu) 18%, transparent);
  animation: fadeDown 0.55s ease both;
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
  min-height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-mark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--color-menu);
  text-decoration: none;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  border: 1px solid color-mix(in srgb, var(--color-menu) 35%, transparent);
  background: transparent;
  color: var(--color-menu);
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.25rem;
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: stretch;
  gap: 0 1.5rem;
  min-height: var(--nav-height);
}

.site-nav > ul > li {
  display: flex;
  align-items: center;
  position: relative;
}

.site-nav a {
  color: var(--color-menu);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 1.15rem 0.15rem;
  position: relative;
  display: inline-flex;
  align-items: center;
}

.site-nav a::after {
  content: '';
  position: absolute;
  left: 0.15rem;
  right: 0.15rem;
  bottom: 0.85rem;
  height: 1px;
  background: var(--color-menu);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav .has-children {
  position: relative;
}

.site-nav .submenu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 12rem;
  background: var(--color-header);
  border: 1px solid color-mix(in srgb, var(--color-menu) 20%, transparent);
  padding: 0.4rem 0;
  box-shadow: 0 8px 24px rgba(26, 26, 26, 0.08);
  z-index: 200;
  /* Ponte invisibile: niente gap tra voce e pannello */
  margin-top: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(0.25rem);
  transition: opacity 0.15s ease, visibility 0.15s ease, transform 0.15s ease;
}

/* Area di sicurezza sopra il pannello (anti-sparizione) */
.site-nav .submenu::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: -0.75rem;
  height: 0.75rem;
}

.site-nav .has-children:hover > .submenu,
.site-nav .has-children:focus-within > .submenu,
.site-nav .has-children.is-open > .submenu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
  transition-delay: 0s;
}

.site-nav .has-children:not(:hover):not(:focus-within):not(.is-open) > .submenu {
  transition-delay: 0.12s;
}

.site-nav .submenu ul {
  display: block;
  min-height: 0;
  gap: 0;
}

.site-nav .submenu li {
  display: block;
}

.site-nav .submenu a {
  display: block;
  padding: 0.65rem 1rem;
  white-space: nowrap;
}

.site-nav .submenu a::after {
  display: none;
}

.hero {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: color-mix(in srgb, var(--color-bg) 70%, #ddd);
  animation: fadeIn 0.8s ease 0.1s both;
}

.hero--home {
  min-height: min(72vh, 40rem);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero--page {
  min-height: 10rem;
  max-height: 16rem;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transform: scale(1.02);
  transition: transform 0.8s ease;
}

.hero--home .hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  background: var(--color-bg);
  padding: clamp(1rem, 4vw, 3rem);
}

.hero--page .hero__image {
  width: 100%;
  max-height: 16rem;
  object-fit: contain;
  margin: 0 auto;
  padding: 1rem;
  background: var(--color-bg);
}

.main {
  flex: 1;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.5rem) 1.25rem 4rem;
  animation: fadeUp 0.65s ease 0.15s both;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 1rem;
  color: var(--color-text);
  max-width: 18ch;
}

.content {
  max-width: 42rem;
}

.content h2,
.content h3 {
  font-family: var(--font-display);
  line-height: 1.25;
}

.content p {
  margin: 0 0 1.1rem;
}

.content img {
  margin: 1.25rem 0;
  border: 1px solid color-mix(in srgb, var(--color-accent) 15%, transparent);
}

.content a {
  font-weight: 600;
}

.cta-link {
  display: inline-block;
  margin-top: 0.5rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 0.1rem;
}

.site-footer {
  background: var(--color-footer);
  color: color-mix(in srgb, var(--color-footer) 15%, white);
  padding: 1.75rem 1.25rem;
  text-align: center;
  font-size: 0.92rem;
}

.site-footer a {
  color: inherit;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-0.5rem); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(0.75rem); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    position: fixed;
    inset: var(--nav-height) 0 auto 0;
    background: var(--color-header);
    border-bottom: 1px solid color-mix(in srgb, var(--color-menu) 18%, transparent);
    padding: 1rem 1.25rem 1.25rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 99;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    min-height: 0;
  }

  .site-nav > ul > li {
    display: block;
    width: 100%;
  }

  .site-nav a {
    padding: 0.45rem 0;
  }

  .site-nav a::after {
    bottom: 0.2rem;
  }

  .site-nav .submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    display: none;
    box-shadow: none;
    border: 0;
    padding: 0.35rem 0 0.35rem 1rem;
    background: transparent;
    margin: 0;
    transition: none;
  }

  .site-nav .submenu::before {
    display: none;
  }

  .site-nav .has-children.is-expanded > .submenu {
    display: block;
  }

  .hero--home {
    min-height: 48vh;
  }
}