/* ============================================================
   Pretty Actually — Japan
   Design system · refined edition
   ============================================================ */

:root {
  /* paper-warm neutrals + dusty peach accent */
  --paper: #FFFFFF;
  --paper-2: #F4EFE6;
  --paper-soft: #FAF7F1;
  --cream: #FFFFFF;
  --ink: #1B1814;
  --ink-2: #3A342C;
  --ink-3: #6B6258;
  --muted: #9D9285;
  --line: #D6CCBA;
  --line-2: #C5B9A4;
  --peach: #D6A88C;
  --peach-soft: #E8C9B3;
  --peach-deep: #A8765C;

  --bg: var(--paper);
  --bg-soft: var(--paper-2);
  --bg-card: var(--cream);
  --accent: var(--peach-deep);

  /* type — Zen Kaku Gothic New (refined JP sans) + Inter (Latin) */
  --font-jp: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", sans-serif;
  --font-jp-mincho: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-en: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-en-serif: "Cormorant Garamond", "Times New Roman", serif;

  /* scale */
  --content-w: 1400px;
  --content-narrow: 1080px;
  --gutter: clamp(24px, 5vw, 80px);
  --section-pad: clamp(96px, 14vw, 200px);

  /* radii — almost none, more architectural */
  --r-sm: 2px;
  --r: 4px;
}

[data-theme="dark"] {
  --paper: #15120F;
  --paper-2: #1C1814;
  --paper-soft: #1F1B17;
  --cream: #1A1714;
  --ink: #F1ECE2;
  --ink-2: #D9CFBF;
  --ink-3: #A99C8B;
  --muted: #7A7165;
  --line: #2A241E;
  --line-2: #3A332B;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-jp);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: 0.02em;
  text-rendering: optimizeLegibility;
}

body {
  overflow-x: hidden;
  /* very subtle paper grain */
  background-image:
    radial-gradient(circle at 30% 40%, rgba(168, 118, 92, 0.025) 0, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(168, 118, 92, 0.02) 0, transparent 60%);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

::selection { background: var(--ink); color: var(--paper); }

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 28px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--ink);
  transition: background .5s ease, border-color .5s ease, padding .4s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-solid {
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom-color: var(--line);
  padding: 18px var(--gutter);
}
.brand-mark {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
}
.nav {
  display: flex;
  gap: 44px;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-weight: 500;
}
.nav a {
  position: relative;
  padding: 6px 0;
  color: var(--ink-2);
  transition: color .35s;
}
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: 50%; bottom: -2px;
  transform: translateX(-50%);
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--peach-deep);
}
.nav-cta {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: 6px 0;
  border-bottom: 1px solid var(--line-2);
  transition: color .35s, border-color .35s;
}
.nav-cta:hover { color: var(--ink); border-color: var(--ink); }

.nav-toggle { display: none; }

/* Hero variant: light text */
.is-on-dark .site-header { color: var(--paper); }
.is-on-dark .site-header .brand-mark,
.is-on-dark .site-header .nav a,
.is-on-dark .site-header .nav-cta { color: var(--paper); }
.is-on-dark .site-header .nav-cta { border-color: color-mix(in oklab, var(--paper) 40%, transparent); }
.is-on-dark .site-header.is-solid { background: color-mix(in oklab, var(--ink) 88%, transparent); border-bottom-color: rgba(255,255,255,.08); }

@media (max-width: 860px) {
  .nav, .nav-cta { display: none; }
  .nav-toggle {
    display: flex; flex-direction: column; gap: 5px; padding: 6px;
  }
  .nav-toggle span { width: 22px; height: 1px; background: currentColor; display: block; }
}

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 0;
  background: var(--ink); color: var(--paper);
  z-index: 200;
  padding: 88px var(--gutter) 40px;
  transform: translateY(-100%);
  transition: transform .7s cubic-bezier(.7,0,.2,1);
  display: flex; flex-direction: column; justify-content: space-between;
}
.mobile-menu.is-open { transform: translateY(0); }
.mobile-menu ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.mobile-menu a {
  font-family: var(--font-jp);
  font-size: 40px; font-weight: 300;
  letter-spacing: 0;
  display: block;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.mobile-menu .close {
  position: absolute; top: 28px; right: var(--gutter);
  font-family: var(--font-en);
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
}

/* ============================================================
   Typography
   ============================================================ */
.eyebrow {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
  font-weight: 500;
}
.eyebrow .ix {
  display: inline-block;
  width: 28px; height: 1px;
  background: currentColor;
  vertical-align: middle;
}

.display {
  font-family: var(--font-jp);
  font-weight: 300;
  font-size: clamp(40px, 6.4vw, 96px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  word-break: keep-all;
}

.display-serif {
  font-family: var(--font-jp-mincho);
  font-weight: 400;
  font-size: clamp(40px, 6.2vw, 92px);
  line-height: 1.16;
  letter-spacing: -0.005em;
  word-break: keep-all;
}

.h2 {
  font-family: var(--font-jp);
  font-weight: 300;
  font-size: clamp(26px, 3.8vw, 46px);
  line-height: 1.28;
  letter-spacing: -0.005em;
  word-break: keep-all;
}

.h3 {
  font-family: var(--font-jp);
  font-weight: 400;
  font-size: clamp(18px, 1.7vw, 22px);
  line-height: 1.55;
  letter-spacing: 0.01em;
}

.lead {
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.95;
  color: var(--ink-2);
  max-width: 58ch;
  font-weight: 400;
}

.body {
  font-size: 14px;
  line-height: 2;
  color: var(--ink-2);
}

.caption {
  font-family: var(--font-en);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

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

/* Subtle text reveal — line only, no per-char */
.reveal-line {
  display: block;
  overflow: hidden;
}
.reveal-line > span {
  display: inline-block;
  transform: translateY(102%);
  transition: transform 1.1s cubic-bezier(.7,0,.2,1);
  transition-delay: var(--d, 0s);
}
.is-in .reveal-line > span { transform: translateY(0); }

/* Soft fade */
.fade {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1.1s cubic-bezier(.2,.8,.2,1), transform 1.1s cubic-bezier(.2,.8,.2,1);
  transition-delay: var(--d, 0s);
}
.fade.is-in { opacity: 1; transform: translateY(0); }

/* Mask reveal — image (graceful: visible by default, animates if .is-in toggled) */
.mask {
  opacity: 1;
  transition: opacity .9s ease, transform 1.2s cubic-bezier(.7,0,.2,1);
}
.mask:not(.is-in).is-armed {
  opacity: 0;
  transform: translateY(12px);
}
.mask.is-in {
  opacity: 1;
  transform: none;
}

/* ============================================================
   Layout
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--content-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container-narrow {
  width: 100%;
  max-width: var(--content-narrow);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

section { position: relative; }

.section-pad { padding: var(--section-pad) 0; }

/* ============================================================
   Placeholder — refined: solid warm tone + subtle grain
   ============================================================ */
.ph {
  position: relative;
  background: var(--paper-2);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  isolation: isolate;
}
.ph::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(115% 95% at 25% 12%, color-mix(in oklab, var(--peach-soft) 70%, transparent), transparent 60%),
    radial-gradient(85% 70% at 80% 95%, color-mix(in oklab, var(--peach) 38%, transparent), transparent 70%);
  z-index: -2;
}
/* grain texture via inline svg */
.ph::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .35;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.2 0 0 0 0 0.16 0 0 0 0 0.12 0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 220px 220px;
}

.ph-label {
  position: relative; z-index: 1;
  font-family: var(--font-en);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--ink) 50%, transparent);
  padding: 18px 22px;
}

/* When a real image is dropped in, it covers everything */
.ph > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  display: block;
}
.ph.has-img::before,
.ph.has-img::after { display: none; }
.ph.has-img > .ph-label { display: none; }

/* Variants */
.ph-dark { background: #2A211B; }
.ph-dark::before {
  background:
    radial-gradient(110% 90% at 28% 18%, rgba(214,168,140,.3), transparent 62%),
    radial-gradient(70% 60% at 78% 92%, rgba(168,118,92,.4), transparent 75%);
}
.ph-dark .ph-label { color: rgba(244, 239, 226, .55); }

.ph-light { background: var(--cream); }

/* ============================================================
   Buttons — refined: minimal text-link style
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 0 14px;
  font-family: var(--font-jp);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--ink);
  position: relative;
  background: transparent;
  border: 0;
}
.btn::after {
  content: "";
  position: absolute;
  left: 0; bottom: 8px;
  width: 100%; height: 1px;
  background: var(--ink);
  transform-origin: right center;
  transition: transform .7s cubic-bezier(.7,0,.2,1);
}
.btn:hover::after {
  transform-origin: left center;
  animation: linewipe .9s cubic-bezier(.7,0,.2,1);
}
@keyframes linewipe {
  0% { transform: scaleX(1); transform-origin: right; }
  50% { transform: scaleX(0); transform-origin: right; }
  51% { transform-origin: left; }
  100% { transform: scaleX(1); transform-origin: left; }
}
.btn .arr {
  display: inline-block;
  width: 14px;
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0;
  transition: transform .4s cubic-bezier(.2,.8,.2,1);
}
.btn:hover .arr { transform: translateX(4px); }

.btn-filled {
  padding: 14px 26px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 0;
  transition: background .4s;
}
.btn-filled::after { display: none; }
.btn-filled:hover { background: var(--peach-deep); }

.btn-outline {
  padding: 14px 24px;
  border: 1px solid var(--ink);
}
.btn-outline::after { display: none; }
.btn-outline:hover {
  background: var(--ink);
  color: var(--paper);
}

.btn-light { color: var(--paper); }
.btn-light::after { background: var(--paper); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(100px, 12vw, 160px) var(--gutter) 32px;
  margin-top: clamp(80px, 10vw, 140px);
  position: relative;
}
.site-footer .foot-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 56px;
  max-width: var(--content-w);
  margin: 0 auto;
}
.site-footer h4 {
  font-family: var(--font-en);
  font-size: 10.5px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 55%, transparent);
  font-weight: 500;
  margin-bottom: 22px;
}
.site-footer ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.site-footer ul a {
  font-size: 14px;
  color: color-mix(in oklab, var(--paper) 78%, transparent);
  transition: color .3s;
}
.site-footer ul a:hover { color: var(--peach); }
.foot-slogan {
  font-family: var(--font-jp-mincho);
  font-weight: 400;
  font-size: clamp(36px, 4.4vw, 60px);
  line-height: 1.2;
  margin-bottom: 28px;
  letter-spacing: 0.005em;
  color: var(--paper);
}
.foot-tag {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 50%, transparent);
}
.foot-bottom {
  max-width: var(--content-w);
  margin: 100px auto 0;
  padding-top: 24px;
  border-top: 1px solid color-mix(in oklab, var(--paper) 10%, transparent);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-en);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 45%, transparent);
}
@media (max-width: 760px) {
  .site-footer .foot-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .foot-bottom { flex-direction: column; gap: 12px; align-items: flex-start; }
}

/* ============================================================
   Page-intro shared
   ============================================================ */
.page-intro {
  padding: clamp(160px, 20vw, 240px) 0 clamp(60px, 8vw, 100px);
  border-bottom: 1px solid var(--line);
}
.page-meta {
  display: flex;
  justify-content: space-between;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 48px;
}
.page-intro .display,
.page-intro .display-serif {
  margin-bottom: 40px;
}

/* ============================================================
   Ambient peach background — soft drifting blobs
   ============================================================ */
body { position: relative; }
.peach-ambient {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.pa-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.55;
  will-change: transform;
  transform: translate3d(0,0,0);
  animation: paFloat 16s ease-in-out infinite alternate;
}
.pa-1 {
  top: 6vh; left: -8%;
  width: 560px; height: 560px;
  background: radial-gradient(circle, #F7C8AC 0%, #F4B79A 45%, transparent 70%);
  animation-duration: 18s;
}
.pa-2 {
  top: 90vh; right: -10%;
  width: 640px; height: 640px;
  background: radial-gradient(circle, #FAD6BC 0%, #F6BFA0 45%, transparent 70%);
  animation-duration: 22s;
  animation-delay: -4s;
}
.pa-3 {
  top: 220vh; left: -6%;
  width: 520px; height: 520px;
  background: radial-gradient(circle, #FBD8C0 0%, #F5BFA0 45%, transparent 70%);
  animation-duration: 24s;
  animation-delay: -8s;
}
.pa-4 {
  top: 360vh; right: -8%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, #F8C9AB 0%, #F2B294 45%, transparent 70%);
  animation-duration: 20s;
  animation-delay: -12s;
}
@keyframes paFloat {
  0%   { transform: translate3d(0, 0, 0)   scale(1); }
  50%  { transform: translate3d(40px, -30px, 0) scale(1.08); }
  100% { transform: translate3d(-30px, 30px, 0) scale(0.96); }
}
@media (prefers-reduced-motion: reduce) {
  .pa-blob { animation: none !important; }
}
@media (max-width: 760px) {
  .pa-blob { opacity: 0.35; filter: blur(80px); }
}
/* Content above ambient */
body > section, body > footer { position: relative; z-index: 1; }

.tw-panel {
  position: fixed; bottom: 24px; right: 24px; z-index: 9000;
  width: 268px;
  background: var(--cream);
  border: 1px solid var(--line);
  padding: 20px;
  box-shadow: 0 24px 60px -20px rgba(0,0,0,.15);
  font-family: var(--font-jp);
  color: var(--ink);
}
.tw-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.tw-title {
  font-family: var(--font-en); font-size: 10px;
  letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--ink);
}
.tw-close {
  font-size: 18px; line-height: 1; padding: 4px 8px;
  color: var(--muted);
}
.tw-sec { margin-top: 16px; }
.tw-lab {
  font-family: var(--font-en); font-size: 9.5px;
  letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.tw-segs {
  display: flex; gap: 0;
  border: 1px solid var(--line);
}
.tw-segs button {
  flex: 1; padding: 9px 8px;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  border-right: 1px solid var(--line);
  font-family: var(--font-en);
  transition: background .3s, color .3s;
}
.tw-segs button:last-child { border-right: 0; }
.tw-segs button.is-on { background: var(--ink); color: var(--paper); }
.tw-swatches {
  display: flex; gap: 10px;
}
.tw-sw {
  flex: 1; display: flex; flex-direction: column; gap: 8px;
  padding: 10px 6px;
  border: 1px solid var(--line);
  font-family: var(--font-en);
  font-size: 9.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted);
}
.tw-sw.is-on { border-color: var(--ink); color: var(--ink); }
.tw-sw span {
  width: 100%; height: 24px;
  background: linear-gradient(90deg, var(--c1) 0 34%, var(--c2) 34% 67%, var(--c3) 67% 100%);
}