/*
Theme Name: Riviera Glass
Theme URI: https://example.com/riviera-glass
Author: You
Author URI: https://example.com
Description: A glassmorphism WordPress theme for holiday homes at the Riviera (Italian/French border) with fullscreen rotating background, left glass menu pills, and scrollable glass content pane.
Version: 1.0.0
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: riviera-glass
*/

/* CSS Reset-ish */
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; padding: 0; }
body { font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, Helvetica, Arial, Apple Color Emoji, Segoe UI Emoji; color: #0b1320; }

/* Fullscreen background rotator */
#rg-bg-rotator {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: -2;
}
#rg-bg-rotator .rg-bg-slide {
  position: absolute;
  inset: 0;
  background-position: center center;
  background-size: cover;
  opacity: 0;
  transition: opacity 3000ms ease;
  will-change: opacity;
}
#rg-bg-rotator .rg-bg-slide.active { opacity: 1; }

/* Global glass variables for "iOS-like" – soft, bright, layered glass */
:root {
  --rg-glass-bg: rgba(255,255,255,0.16);
  --rg-glass-stroke: rgba(255,255,255,0.55);
  --rg-glass-shadow: rgba(12, 22, 38, 0.18);
  --rg-blur: 18px;
  --rg-radius-xl: 24px;
  --rg-radius-pill: 999px;
  --rg-gap: 20px;
  --rg-max-content-w: 980px;
  --rg-accent: #0ea5e9; /* sky-ish blue */
}

/* Header (title centered) */
.rg-header {
  position: fixed;
  top: 16px;
  left: 0; right: 0;
  display: flex;
  justify-content: center;
  z-index: 10;
  pointer-events: none;
}
.rg-title {
  pointer-events: auto;
  padding: 10px 18px;
  font-weight: 700;
  font-size: clamp(18px, 2.2vw, 28px);
  color: #0b1320;
  letter-spacing: 0.4px;
  background: rgba(255,255,255,0.42);
  border: 1px solid rgba(255,255,255,0.4);
  backdrop-filter: saturate(180%) blur(var(--rg-blur));
  -webkit-backdrop-filter: saturate(180%) blur(var(--rg-blur));
  border-top-color: var(--rg-glass-stroke);
  border-left-color: var(--rg-glass-stroke);
  box-shadow: 0 8px 24px var(--rg-glass-shadow);
  border-radius: var(--rg-radius-pill);
}

/* Layout: left menu + right content */
.rg-shell {
  position: relative;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--rg-gap);
  padding: 120px 24px 24px; /* leave room for header */
  max-width: 1600px;
  margin: 0 auto;
}

/* Left menu (vertical pills) */
.rg-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.rg-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  text-decoration: none;
  color: #0b1320;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--rg-radius-pill);
  background: rgba(255,255,255,0.42);
  border: 1px solid rgba(255,255,255,0.4);
  border-top-color: var(--rg-glass-stroke);
  border-left-color: var(--rg-glass-stroke);
  backdrop-filter: saturate(180%) blur(var(--rg-blur));
  -webkit-backdrop-filter: saturate(180%) blur(var(--rg-blur));
  box-shadow: 0 6px 18px var(--rg-glass-shadow);
  transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.rg-pill.active {
  outline: 2px solid rgba(14,165,233,.45);
  background: rgba(255,255,255,0.42);
  box-shadow: 0 10px 28px rgba(14,165,233,.25);
}

/* Right content (scrollable glass pane) */
.rg-content-wrap {
  position: relative;
}
.rg-content {
  height: calc(100vh - 160px);
  overflow: auto;
  padding: 24px;
  border-radius: var(--rg-radius-xl);
  background: linear-gradient( to bottom, rgba(255,255,255,0.36), rgba(255,255,255,0.18) );
  border: 1px solid rgba(255,255,255,0.35);
  border-top-color: var(--rg-glass-stroke);
  border-left-color: var(--rg-glass-stroke);
  backdrop-filter: saturate(180%) blur(var(--rg-blur));
  -webkit-backdrop-filter: saturate(180%) blur(var(--rg-blur));
  box-shadow: 0 12px 32px var(--rg-glass-shadow);
}
.rg-section {
  scroll-margin-top: 12px;
  padding: 24px;
  border-radius: 20px;
  background: rgba(255,255,255,0.42);
  border: 1px solid rgba(255,255,255,0.4);
  margin-bottom: 24px;
}
.rg-section h2 {
  margin: 0 0 10px 0;
  font-size: clamp(20px, 2vw, 28px);
}

/* Responsive */
@media (max-width: 980px) {
  .rg-shell { grid-template-columns: 1fr; padding-top: 100px; }
  .rg-nav { flex-direction: row; flex-wrap: wrap; position: sticky; top: 90px; z-index: 5; }
  .rg-content { height: calc(100vh - 220px); }
}