/* ============================================
   A.B. STORE SRL — Stili globali
   ============================================ */

:root {
  --color-bg:       #FAFAF8;
  --color-bg-warm:  #F4F0EB;
  --color-bg-dark:  #1A1816;
  --color-text:     #1A1816;
  --color-muted:    #7A7470;
  --color-accent:   #8B7355;
  --color-border:   #E4DED8;
  --color-white:    #FFFFFF;

  --font-serif: 'Cormorant Garant', Georgia, serif;
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;

  --nav-h:         72px;
  --max-w:         1280px;
  --pad-x:         clamp(24px, 5vw, 80px);
  --section-pad:   clamp(80px, 10vw, 140px);

  --ease:       cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --t:          0.4s var(--ease);
  --t-fast:     0.2s var(--ease);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

/* --- Tipografia --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.section-title {
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  margin-bottom: 1.5rem;
}

.section-body {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--color-muted);
  max-width: 560px;
}

.eyebrow {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

/* --- Layout --- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

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

/* --- Pulsanti --- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: var(--t);
  cursor: pointer;
}
.btn--dark {
  background: var(--color-text);
  color: var(--color-white);
  border: 1px solid var(--color-text);
}
.btn--dark:hover { background: var(--color-accent); border-color: var(--color-accent); }

.btn--light {
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.55);
}
.btn--light:hover { background: var(--color-white); color: var(--color-text); border-color: var(--color-white); }

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-text);
}
.btn--outline:hover { background: var(--color-text); color: var(--color-white); }

/* --- Navigazione --- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--t), box-shadow var(--t), transform var(--t);
}
.nav--scrolled {
  background: var(--color-white);
  box-shadow: 0 1px 0 var(--color-border);
}
.nav--scrolled .nav__logo,
.nav--scrolled .nav__link { color: var(--color-text); }
.nav--hidden { transform: translateY(-100%); }

.nav__container {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-white);
  transition: color var(--t);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 48px;
}

.nav__link {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-white);
  opacity: 0.8;
  position: relative;
  transition: opacity var(--t-fast), color var(--t-fast);
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0; right: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-fast);
}
.nav__link:hover,
.nav__link.active { opacity: 1; }
.nav__link:hover::after,
.nav__link.active::after { transform: scaleX(1); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-white);
  transition: var(--t-fast);
}
.nav--scrolled .nav__burger span { background: var(--color-text); }

/* --- Page Hero (pagine interne) --- */
.page-hero {
  height: 45vh;
  min-height: 340px;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding-bottom: clamp(48px, 8vw, 80px);
  overflow: hidden;
}
.page-hero__bg {
  position: absolute;
  inset: 0;
}
.page-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(26,24,22,0.25) 0%, rgba(26,24,22,0.65) 100%);
}
.page-hero__content {
  position: relative;
  z-index: 2;
  color: var(--color-white);
  padding: 0 var(--pad-x);
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
}
.page-hero__title {
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 400;
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-white);
  padding: clamp(60px, 8vw, 100px) 0 40px;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 32px;
}
.footer__logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  display: block;
  margin-bottom: 12px;
}
.footer__tagline {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.04em;
}
.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.footer__nav a {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  transition: color var(--t-fast);
}
.footer__nav a:hover { color: var(--color-white); }
.footer__contact p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  line-height: 2;
}
.footer__bottom {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.28);
}

/* --- Animazioni scroll --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}
/* --- Responsive --- */
@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--color-white);
    flex-direction: column;
    gap: 0;
    padding: 20px 0;
    box-shadow: 0 6px 24px rgba(0,0,0,0.12);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--t), opacity var(--t);
  }
  .nav__links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__link {
    color: var(--color-text);
    padding: 16px var(--pad-x);
    width: 100%;
    opacity: 1;
  }
  .nav__burger { display: flex; }
  .nav__burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav__burger.open span:nth-child(2) { opacity: 0; }
  .nav__burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
}