/* ============================================================
   RC Hospitality Management — Base
   ============================================================ */

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--notte);
  color: var(--avorio);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--avorio);
}

.on-light h1, .on-light h2, .on-light h3, .on-light h4 { color: var(--inchiostro); }

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p { margin: 0; }

.lead {
  font-size: var(--fs-lead);
  line-height: 1.5;
  color: var(--avorio-dim);
  max-width: 42em;
}

.on-light .lead { color: var(--inchiostro-dim); }

.accent-serif {
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 400;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--terracotta);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}

.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: currentColor;
}

/* ---- Layout primitives ---- */

.wrap {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--edge);
}

section {
  position: relative;
}

.section-pad {
  padding-block: var(--sp-6);
}

@media (max-width: 640px) {
  .section-pad { padding-block: var(--sp-5); }
}

.on-dark { background: var(--notte); color: var(--avorio); }
.on-marine {
  background: linear-gradient(175deg, var(--marino) 0%, var(--notte) 78%);
  color: var(--avorio);
}
.on-light { background: var(--pergamena); color: var(--inchiostro); }

/* ---- Signature element: the horizon rule ---- */
/* A hairline that sits at a consistent vertical proportion of a full-bleed
   section, echoing the sea horizon at dusk. Draws in on scroll via .is-visible. */

.horizon {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: var(--ottone);
  transform: scaleX(0);
  transform-origin: left center;
  opacity: 0.55;
  transition: transform 1.4s var(--ease-out);
  pointer-events: none;
}

.horizon.is-visible { transform: scaleX(1); }

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

/* ---- Scroll reveal primitives (paired with IntersectionObserver in main.js) ---- */

[data-reveal] {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
}

[data-reveal-stagger].is-visible > * { opacity: 1; transform: translateY(0); }

[data-reveal-stagger].is-visible > *:nth-child(1) { transition-delay: 0ms; }
[data-reveal-stagger].is-visible > *:nth-child(2) { transition-delay: 90ms; }
[data-reveal-stagger].is-visible > *:nth-child(3) { transition-delay: 180ms; }
[data-reveal-stagger].is-visible > *:nth-child(4) { transition-delay: 270ms; }
[data-reveal-stagger].is-visible > *:nth-child(5) { transition-delay: 360ms; }
[data-reveal-stagger].is-visible > *:nth-child(6) { transition-delay: 450ms; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-reveal-stagger] > * { transform: none; }
  .horizon { transition: none; }
}