/* assets/css/style.css */

/* Fonts - Noto Sans JP for Japanese, Inter for English */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;800&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

:root {
  --color-surface: #f9faf8;
  --color-on-surface: #191c1b;
  --color-primary: #2f6c00;
  --color-primary-container: #6bd61f;
  --color-secondary: #52652a;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", "Noto Sans JP", sans-serif;
  background-color: var(--color-surface);
  color: var(--color-on-surface);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Washi Texture Background Overlay */
.washi-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('https://lh3.googleusercontent.com/aida-public/AB6AXuAdgBJC6CDEzKBUXjW9ki04-eJX-DeFdHeE0TlOKev4rMIj5fzWvsxOilj8doURY24CQEiJL9ydgIaI79SBngfpMl6GQ2WM8ItAYn56f_TC8dBGe7WKj_uAtDW7KCaj47jTr1_oM9yqXF1yChQNDzEmjs26r5UHie1hBVmu2ZPpokQClb1YS1kHilyuM5OK1tAJzRcBL5l5ShQE_vBd-vGJtN39LgJJjDvcVKjbujTHRJeBkhiRPrF7SXFdfTrj2baUXo3wTPiXstsd');
  opacity: 0.35;
  pointer-events: none;
  z-index: -1;
}

/* Nav Blur Effect */
.glass-nav {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background-color: rgba(249, 250, 248, 0.85);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/* Custom Utilities */
.tracking-tight-jp {
  letter-spacing: -0.02em;
}

.shadow-soft {
  box-shadow: 0 4px 20px -5px rgba(0, 0, 0, 0.05);
}

/* Animation */
.hover-lift {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.hover-lift:hover {
  transform: translateY(-4px);
}

/* Mobile Menu Transition */
#mobile-menu {
  transition: opacity 0.3s ease, transform 0.3s ease;
}
#mobile-menu.hidden {
  display: none;
  opacity: 0;
  transform: translateY(-10px);
}
#mobile-menu.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}