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

* {
  margin: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img,
picture,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ink);
}

h1 { font-size: clamp(2.6rem, 1.9rem + 3.4vw, 4.4rem); }
h2 { font-size: clamp(2.1rem, 1.6rem + 2.4vw, 3.3rem); }
h3 { font-size: clamp(1.5rem, 1.3rem + 1vw, 2rem); }
h4 { font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem); }

p { max-width: 68ch; }

a {
  color: var(--teal-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { color: var(--teal-deep); }

ul, ol { padding-left: 1.1em; }

strong { font-weight: 600; }

/* Layout helpers */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-m);
}
.container--narrow { max-width: var(--container-narrow); }

.section {
  padding-block: var(--space-2xl);
}
.section--tight { padding-block: var(--space-xl); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sage-dark);
  margin-bottom: var(--space-xs);
}

.lead {
  font-size: var(--step-1);
  color: var(--ink-soft);
  line-height: 1.6;
}

.text-center { text-align: center; }
.mx-auto { margin-inline: auto; }

/* Accessibilità */
:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  background: var(--ink);
  color: #fff;
  padding: 0.7rem 1.1rem;
  border-radius: 0 0 8px 0;
}
.skip-link:focus {
  left: 0;
  color: #fff;
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--step-0);
  line-height: 1;
  padding: 0.95em 1.6em;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--teal);
  color: #fff;
  box-shadow: var(--shadow-s);
}
.btn--primary:hover {
  background: var(--teal-dark);
  color: #fff;
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.btn--lime {
  background: var(--lime);
  color: var(--ink);
}
.btn--lime:hover {
  background: var(--lime-soft);
  color: var(--ink);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-2);
}
.btn--ghost:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
}

.btn--light {
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
}
.btn--light:hover { background: #fff; transform: translateY(-2px); }

.btn--dark {
  background: var(--ink);
  color: #fff;
  box-shadow: var(--shadow-s);
}
.btn--dark:hover { background: #000; color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }

.btn--outline {
  background: transparent;
  color: var(--teal-deep);
  border-color: var(--teal);
}
.btn--outline:hover { background: var(--teal); color: #fff; }

.btn--outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}
.btn--outline-light:hover { background: #fff; color: var(--ink); }

/* Titoli display e accenti (luxury serif) */
.hand-title { font-family: var(--font-display); font-weight: 600; color: var(--teal-deep); }
.hand-title em { font-style: italic; }
.script-accent {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.15rem, 0.95rem + 0.7vw, 1.6rem);
  letter-spacing: 0.01em;
  color: var(--lime);
}

/* Reveal allo scroll — solo se il JS è attivo (progressive enhancement).
   Senza JS il contenuto resta visibile. */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
.js [data-reveal].in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
}