@charset "UTF-8";

/* ==========================================================================
   OKINAWA WEBSITE — Editorial Japanese Design System
   Color Palette: #222222 (Dark) / #FFFFFF (Light) / #F5F1E9 (Warm)
   ========================================================================== */

:root {
  --color-dark: #222222;
  --color-dark-surface: #1a1a1a;
  --color-light: #ffffff;
  --color-warm: #f5f1e9;
  --color-warm-surface: #ede7dc;
  --color-muted-gray: #767676;
  --color-border-dark: rgba(255, 255, 255, 0.12);
  --color-border-light: rgba(34, 34, 34, 0.12);
  --color-accent: #222222;

  --font-sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;

  --ease-editorial: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out-smooth: cubic-bezier(0.65, 0, 0.35, 1);
}

/* Base resets & typography */
html {
  font-family: var(--font-sans);
  background-color: var(--color-light);
  color: var(--color-dark);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: auto; /* Handled by Lenis */
}

body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  line-height: 1.85;
  letter-spacing: 0.04em;
  font-size: 15px;
  background-color: var(--color-light);
}

/* Lenis smooth scroll */
html.lenis, html.lenis body {
  height: auto;
}
.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}
.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}
.lenis.lenis-stopped {
  overflow: hidden;
}
.lenis.lenis-scrolling iframe {
  pointer-events: none;
}

/* Editorial Typography */
.font-serif-jp {
  font-family: var(--font-serif);
}

.font-sans-jp {
  font-family: var(--font-sans);
}

.font-en {
  font-family: var(--font-en);
}

/* Vertical Japanese text */
.writing-vertical {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.15em;
}

/* Subtle background watermark typography */
.bg-watermark {
  position: absolute;
  font-family: var(--font-en);
  font-weight: 800;
  font-size: clamp(4rem, 14vw, 15rem);
  line-height: 0.85;
  letter-spacing: -0.03em;
  user-select: none;
  pointer-events: none;
  z-index: 0;
  text-transform: uppercase;
  white-space: nowrap;
}

.bg-watermark-light {
  color: rgba(34, 34, 34, 0.03);
}

.bg-watermark-dark {
  color: rgba(255, 255, 255, 0.03);
}

/* Chapter colors */
.chapter-light {
  background-color: var(--color-light);
  color: var(--color-dark);
}

.chapter-dark {
  background-color: var(--color-dark);
  color: var(--color-light);
}

.chapter-warm {
  background-color: var(--color-warm);
  color: var(--color-dark);
}

/* Thin Line System */
.border-fine-dark {
  border-color: rgba(34, 34, 34, 0.12);
}

.border-fine-white {
  border-color: rgba(255, 255, 255, 0.12);
}

.divider-h {
  width: 100%;
  height: 1px;
  background-color: currentColor;
  opacity: 0.12;
}

/* Custom Editorial Arrows & Indicators (Zero Icon Library) */
.editorial-arrow {
  display: inline-block;
  transition: transform 0.4s var(--ease-editorial);
}

.group:hover .editorial-arrow-right {
  transform: translateX(6px);
}

.group:hover .editorial-arrow-diag {
  transform: translate(4px, -4px);
}

.editorial-plus {
  position: relative;
  width: 14px;
  height: 14px;
}

.editorial-plus::before,
.editorial-plus::after {
  content: "";
  position: absolute;
  background-color: currentColor;
  transition: transform 0.3s var(--ease-editorial);
}

.editorial-plus::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 1px;
}

.editorial-plus::after {
  top: 0;
  left: 6px;
  width: 1px;
  height: 14px;
}

.editorial-plus.is-open::after {
  transform: rotate(90deg);
}

/* Minimalist Button System */
.btn-editorial-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 36px;
  background-color: var(--color-dark);
  color: var(--color-light);
  font-size: 14px;
  letter-spacing: 0.08em;
  border-radius: 0px;
  transition: all 0.3s var(--ease-editorial);
  border: 1px solid var(--color-dark);
  position: relative;
  overflow: hidden;
}

.btn-editorial-dark:hover {
  background-color: #000000;
  padding-right: 42px;
}

.btn-editorial-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 36px;
  background-color: var(--color-light);
  color: var(--color-dark);
  font-size: 14px;
  letter-spacing: 0.08em;
  border-radius: 0px;
  transition: all 0.3s var(--ease-editorial);
  border: 1px solid var(--color-light);
}

.btn-editorial-light:hover {
  background-color: #f0ede6;
  padding-right: 42px;
}

.btn-editorial-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 15px 32px;
  background-color: transparent;
  color: inherit;
  font-size: 14px;
  letter-spacing: 0.08em;
  border-radius: 0px;
  border: 1px solid currentColor;
  transition: all 0.3s var(--ease-editorial);
}

.btn-editorial-outline:hover {
  background-color: rgba(128, 128, 128, 0.1);
  padding-right: 38px;
}

/* Image Reveal & Hover Transitions */
.reveal-img-wrap {
  overflow: hidden;
  position: relative;
}

.reveal-img {
  transition: transform 0.8s var(--ease-editorial), filter 0.6s ease;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.group:hover .reveal-img {
  transform: scale(1.03);
}

/* Oversized Project Numbering */
.project-num-watermark {
  font-family: var(--font-en);
  font-weight: 800;
  font-size: clamp(6rem, 15vw, 13rem);
  line-height: 0.8;
  letter-spacing: -0.05em;
  color: rgba(255, 255, 255, 0.06);
  user-select: none;
  pointer-events: none;
}

/* Custom Editorial Form Inputs */
.editorial-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(34, 34, 34, 0.2);
  padding: 14px 0;
  font-size: 15px;
  font-family: var(--font-sans);
  color: var(--color-dark);
  border-radius: 0;
  transition: border-color 0.3s ease;
}

.editorial-input:focus {
  outline: none;
  border-bottom-color: var(--color-dark);
}

.editorial-input::placeholder {
  color: rgba(34, 34, 34, 0.35);
}

/* Bespoke Editorial Dropdown System (No OS Defaults) */
.custom-dropdown-btn {
  width: 100%;
  background: #ffffff;
  border: 1px solid rgba(34, 34, 34, 0.15);
  padding: 14px 18px;
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--color-dark);
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: all 0.25s ease;
}

.custom-dropdown-btn:hover,
.custom-dropdown-btn.is-active {
  border-color: var(--color-dark);
  background: #faf8f5;
}

.custom-dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  width: 100%;
  background: #ffffff;
  border: 1px solid rgba(34, 34, 34, 0.15);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
  z-index: 50;
  max-height: 280px;
  overflow-y: auto;
}

.custom-dropdown-item {
  padding: 12px 18px;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
  border-bottom: 1px solid rgba(34, 34, 34, 0.05);
}

.custom-dropdown-item:last-child {
  border-bottom: none;
}

.custom-dropdown-item:hover {
  background: #f5f1e9;
  color: var(--color-dark);
}

.custom-dropdown-item.is-selected {
  background: #222222;
  color: #ffffff;
  font-weight: 500;
}

/* Header dynamic appearance */
.site-header {
  transition: background-color 0.4s var(--ease-editorial), color 0.4s var(--ease-editorial), border-color 0.4s var(--ease-editorial);
}

.site-header.theme-light {
  background-color: rgba(255, 255, 255, 0.94);
  color: var(--color-dark);
  border-bottom: 1px solid rgba(34, 34, 34, 0.08);
}

.site-header.theme-dark {
  background-color: rgba(34, 34, 34, 0.94);
  color: var(--color-light);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header.theme-warm {
  background-color: rgba(245, 241, 233, 0.94);
  color: var(--color-dark);
  border-bottom: 1px solid rgba(34, 34, 34, 0.08);
}

/* Selection */
::selection {
  background-color: #222222;
  color: #ffffff;
}

.chapter-dark ::selection {
  background-color: #ffffff;
  color: #222222;
}

/* Subtle Film Grain (CSS Only) */
.grain-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}