/* ============================================================
   KŌAN — Kyoto tea house · FABLE 50 · site 5
   Palette: Cloud Dancer #F0EEE9 · warm gray #D6D1C8
            sumi #171512 · moss #2E4B3F
   ============================================================ */

:root {
  --paper: #F0EEE9;
  --gray:  #D6D1C8;
  --sumi:  #171512;
  --moss:  #2E4B3F;
  --disp: "Shippori Mincho", serif;
  --body: "Zen Kaku Gothic New", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--sumi);
  font-family: var(--body);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--paper); }
::-webkit-scrollbar-thumb { background: var(--gray); border-radius: 5px; border: 2px solid var(--paper); }
::-webkit-scrollbar-thumb:hover { background: var(--moss); }

.defs { position: absolute; }

/* ---------- paper grain ---------- */
.grain {
  position: fixed; inset: -50%;
  width: 200%; height: 200%;
  pointer-events: none;
  z-index: 40;
  opacity: .5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' seed='9'/%3E%3CfeColorMatrix values='0 0 0 0 0.09 0 0 0 0 0.08 0 0 0 0 0.07 0 0 0 0.06 0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23g)'/%3E%3C/svg%3E");
}

/* ---------- shared type ---------- */
h1, h2, h3, .wordmark, .hero-word, .step-no, .sec-no {
  font-family: var(--disp);
}

h2 {
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  font-weight: 500;
  line-height: 1.22;
  letter-spacing: -0.015em;
}

h3 {
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

p { max-width: 44ch; }
p + p { margin-top: 1.4em; }

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

.jp-vert {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-family: var(--disp);
  letter-spacing: 0.32em;
}

/* section labels: numeral + rotated english */
.ph-label {
  position: absolute;
  top: clamp(3rem, 8vw, 6rem);
  left: clamp(1.4rem, 5vw, 4.5rem);
  display: flex; flex-direction: column; align-items: center; gap: 1.1rem;
}
.sec-no {
  font-size: 1.5rem;
  color: var(--moss);
}
.sec-en {
  writing-mode: vertical-rl;
  font-size: 0.68rem;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--sumi) 52%, var(--paper));
}

/* ---------- header ---------- */
.top {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 1.6rem clamp(1.4rem, 5vw, 4.5rem);
  mix-blend-mode: multiply;
}
.wordmark {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.34em;
}
.wordmark-jp {
  font-size: 0.8rem;
  font-weight: 400;
  margin-left: 0.9em;
  letter-spacing: 0.3em;
  color: var(--moss);
}
.top nav { display: flex; gap: 2.4rem; }
.top nav a {
  font-size: 0.72rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 3px;
}
.top nav a::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--moss);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .45s cubic-bezier(.7,0,.2,1);
}
.top nav a:hover::after { transform: scaleX(1); transform-origin: left; }

/* ============================================================
   HERO — extreme ma. One word, one bowl, one circle.
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
}

.enso {
  position: absolute;
  top: 50%; left: clamp(2%, 12vw, 16%);
  width: clamp(300px, 38vw, 560px);
  height: auto;
  transform: translateY(-54%);
  overflow: visible;
}
.enso-stroke {
  fill: none;
  stroke: var(--sumi);
  stroke-width: 7;
  stroke-linecap: round;
  opacity: .9;
  stroke-dasharray: 93 100;
  stroke-dashoffset: 93;
  animation: enso-draw 3.6s cubic-bezier(.5,.05,.3,1) .6s forwards;
}
@keyframes enso-draw {
  to { stroke-dashoffset: 0; }
}

.hero-word {
  position: absolute;
  top: 50%; left: clamp(2%, 12vw, 16%);
  transform: translate(clamp(120px, 15.5vw, 230px), -50%);
  font-size: clamp(3rem, 6.4vw, 5.6rem);
  font-weight: 500;
  z-index: 2;
}
.hero-word .jp-vert { letter-spacing: 0.42em; }

.hero-line {
  position: absolute;
  left: clamp(1.4rem, 5vw, 4.5rem);
  bottom: clamp(2.4rem, 7vh, 5rem);
  font-size: 0.86rem;
  letter-spacing: 0.12em;
  line-height: 2.1;
  color: color-mix(in srgb, var(--sumi) 78%, var(--paper));
}

.hero-bowl {
  position: absolute;
  right: clamp(1rem, 7vw, 8rem);
  top: 50%;
  transform: translateY(-46%);
  width: clamp(240px, 26vw, 380px);
}
.hero-bowl svg { width: 100%; height: auto; display: block; }

.hero-scroll {
  position: absolute;
  right: clamp(1.6rem, 4vw, 4rem);
  bottom: clamp(2.4rem, 7vh, 5rem);
  display: flex; flex-direction: column; align-items: center; gap: 0.9rem;
  font-size: 0.72rem;
  color: color-mix(in srgb, var(--sumi) 60%, var(--paper));
}
.scroll-rule {
  width: 1px; height: 64px;
  background: var(--sumi);
  opacity: .45;
  transform-origin: top;
  animation: rule-pulse 2.8s ease-in-out infinite;
}
@keyframes rule-pulse {
  0%, 100% { transform: scaleY(.55); }
  50% { transform: scaleY(1); }
}
.hero-scroll:hover { color: var(--moss); }

/* ---------- ink-wash figure reveals ---------- */
.inkfig svg { width: 100%; height: auto; display: block; }
.inkfig .ink-blob {
  transform-box: fill-box;
  transform-origin: center;
  transform: scale(0.001);
  transition: transform 2.2s cubic-bezier(.25,.6,.25,1);
}
.inkfig.is-in .ink-blob { transform: scale(1); }

.inkfig figcaption {
  margin-top: 0.9rem;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--sumi) 46%, var(--paper));
}

/* generic text reveal */
[data-reveal]:not(.inkfig) {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 1.1s ease, transform 1.1s cubic-bezier(.2,.6,.2,1);
}
[data-reveal].is-in:not(.inkfig) { opacity: 1; transform: none; }

/* ============================================================
   PHILOSOPHY — asymmetric: vertical column left, text off-center,
   room image bleeding right.
   ============================================================ */
.philosophy {
  position: relative;
  padding: clamp(9rem, 18vh, 15rem) clamp(1.4rem, 5vw, 4.5rem) clamp(7rem, 14vh, 12rem);
}

.ph-vert {
  position: absolute;
  top: clamp(9rem, 18vh, 15rem);
  right: clamp(1.8rem, 6vw, 6rem);
  font-size: clamp(1.05rem, 1.5vw, 1.4rem);
  line-height: 2.6;
  color: var(--moss);
  height: 24em;
}

.ph-body {
  margin-left: clamp(0rem, 16vw, 15rem);
  max-width: 34rem;
}
.ph-body h2 { margin-bottom: 2.2rem; }
.ph-body p { color: color-mix(in srgb, var(--sumi) 84%, var(--paper)); }

.ph-room {
  margin: clamp(5rem, 10vh, 8rem) 0 0 auto;
  width: min(62vw, 760px);
  margin-right: calc(clamp(1.4rem, 5vw, 4.5rem) * -0.5);
}

/* ============================================================
   CEREMONY — moss field, sparse numbered steps.
   ============================================================ */
.ceremony {
  position: relative;
  background: var(--moss);
  color: var(--paper);
  padding: clamp(9rem, 18vh, 15rem) clamp(1.4rem, 5vw, 4.5rem) clamp(8rem, 15vh, 13rem);
}
.ceremony ::selection { background: var(--paper); color: var(--moss); }
.ceremony .sec-no { color: var(--gray); }
.ceremony .sec-en { color: color-mix(in srgb, var(--paper) 55%, var(--moss)); }

.cer-title {
  margin-left: clamp(0rem, 16vw, 15rem);
  margin-bottom: clamp(4rem, 9vh, 7rem);
}

.steps {
  list-style: none;
  margin-left: clamp(0rem, 16vw, 15rem);
  max-width: 46rem;
  display: grid;
  gap: clamp(3rem, 7vh, 5.5rem);
}
.steps li {
  display: flex;
  gap: clamp(1.6rem, 3.5vw, 3rem);
  align-items: flex-start;
  border-top: 1px solid color-mix(in srgb, var(--paper) 22%, var(--moss));
  padding-top: clamp(1.6rem, 3.5vh, 2.6rem);
}
.steps li:nth-child(even) { margin-left: clamp(0rem, 8vw, 7rem); }
.step-no {
  font-size: 2rem;
  color: var(--gray);
  line-height: 1;
  padding-top: .2rem;
}
.steps h3 { margin-bottom: 0.7rem; letter-spacing: 0.14em; }
.steps p { color: color-mix(in srgb, var(--paper) 82%, var(--moss)); font-size: 0.95rem; }

.cer-img {
  width: min(46vw, 560px);
  margin: clamp(5rem, 10vh, 8rem) 0 0 auto;
}
.cer-img figcaption { color: color-mix(in srgb, var(--paper) 55%, var(--moss)); }

/* ============================================================
   VISIT
   ============================================================ */
.visit {
  position: relative;
  padding: clamp(9rem, 18vh, 15rem) clamp(1.4rem, 5vw, 4.5rem) clamp(8rem, 15vh, 12rem);
}

.visit-vert {
  position: absolute;
  top: clamp(9rem, 18vh, 15rem);
  right: clamp(1.8rem, 6vw, 6rem);
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  line-height: 2.4;
  color: var(--moss);
}

.visit-body { margin-left: clamp(0rem, 16vw, 15rem); max-width: 36rem; }
.visit-body h2 { margin-bottom: 2.2rem; }
.visit-body > p { color: color-mix(in srgb, var(--sumi) 84%, var(--paper)); }

.visit-facts {
  margin-top: 3.2rem;
  display: grid;
  gap: 1.5rem;
}
.visit-facts div {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 1.5rem;
  border-top: 1px solid var(--gray);
  padding-top: 1.1rem;
}
.visit-facts dt {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--moss);
  padding-top: 0.35rem;
}
.visit-facts dd { font-size: 0.95rem; }

.visit-cta {
  display: inline-flex;
  align-items: center;
  gap: 1.1rem;
  margin-top: 3.4rem;
  font-family: var(--disp);
  font-size: 1.15rem;
  letter-spacing: 0.14em;
  color: var(--sumi);
}
.cta-rule {
  width: 72px; height: 1px;
  background: var(--sumi);
  transition: width .5s cubic-bezier(.7,0,.2,1), background .3s;
}
.visit-cta:hover { color: var(--moss); }
.visit-cta:hover .cta-rule { width: 120px; background: var(--moss); }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  border-top: 1px solid var(--gray);
  padding: clamp(3.5rem, 8vh, 6rem) clamp(1.4rem, 5vw, 4.5rem) 2.6rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2.5rem 4rem;
}
.foot-brand p {
  margin-top: 1.2rem;
  font-size: 0.85rem;
  color: color-mix(in srgb, var(--sumi) 62%, var(--paper));
}
.foot-links {
  display: flex; flex-direction: column; gap: 0.9rem;
  align-items: flex-end;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}
.foot-links a { border-bottom: 1px solid transparent; transition: border-color .3s, color .3s; }
.foot-links a:hover { color: var(--moss); border-color: var(--moss); }
.foot-meta {
  grid-column: 1 / -1;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--sumi) 42%, var(--paper));
}

/* ============================================================
   GUIDE page
   ============================================================ */
.guide-main {
  padding: clamp(8rem, 16vh, 12rem) clamp(1.4rem, 5vw, 4.5rem) clamp(6rem, 12vh, 9rem);
  max-width: 62rem;
}
.guide-main > h1 {
  font-family: var(--disp);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin-bottom: 1.4rem;
}
.guide-kicker {
  font-size: 0.72rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--moss);
  margin-bottom: 1.6rem;
}
.guide-intro { font-size: 1.05rem; max-width: 52ch; }
.guide-sec { margin-top: clamp(4rem, 8vh, 6rem); }
.guide-sec h2 {
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  margin-bottom: 1.6rem;
  display: flex; align-items: baseline; gap: 1rem;
}
.guide-sec h2 .sec-no { font-size: 1.1rem; color: var(--moss); }
.guide-main p { max-width: 58ch; }
.guide-sec p { color: color-mix(in srgb, var(--sumi) 84%, var(--paper)); }
.guide-sec ul { margin: 1rem 0 0 1.2rem; }
.guide-sec li { margin-bottom: 0.6rem; max-width: 60ch; }

pre {
  margin-top: 1.6rem;
  background: var(--sumi);
  color: var(--paper);
  padding: 1.6rem 1.8rem;
  overflow-x: auto;
  font-size: 0.8rem;
  line-height: 1.7;
  border-radius: 2px;
}
pre .c { color: color-mix(in srgb, var(--paper) 52%, var(--sumi)); }
code { font-family: ui-monospace, "SF Mono", Menlo, monospace; }
p code, li code {
  background: color-mix(in srgb, var(--gray) 45%, var(--paper));
  padding: 0.1em 0.4em;
  border-radius: 2px;
  font-size: 0.85em;
}

.shot-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
  margin-top: 1.8rem;
}
.shot-strip figure { margin: 0; }
.shot-strip img {
  width: 100%; height: auto; display: block;
  border: 1px solid var(--gray);
}
.shot-strip figcaption {
  margin-top: 0.6rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--sumi) 50%, var(--paper));
}

.guide-credit {
  margin-top: clamp(4rem, 8vh, 6rem);
  padding-top: 2rem;
  border-top: 1px solid var(--gray);
  font-size: 0.9rem;
  color: color-mix(in srgb, var(--sumi) 70%, var(--paper));
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .enso-stroke { animation: none; stroke-dashoffset: 0; }
  .scroll-rule { animation: none; }
  .inkfig .ink-blob { transition: none; transform: scale(1); }
  [data-reveal]:not(.inkfig) { transition: none; opacity: 1; transform: none; }
}

/* ============================================================
   Responsive — 390px must hold
   ============================================================ */
@media (max-width: 900px) {
  .ph-vert { display: none; }
  .ph-body, .cer-title, .steps, .visit-body { margin-left: clamp(0rem, 8vw, 5rem); }
  .ph-room { width: 86vw; }
  .cer-img { width: 74vw; }
  .visit-vert { font-size: 1.1rem; }
}

@media (max-width: 640px) {
  .top { padding: 1.2rem 1.3rem; }
  .top nav { gap: 1.2rem; }
  .top nav a { font-size: 0.62rem; letter-spacing: 0.22em; }
  .wordmark { font-size: 1.05rem; letter-spacing: 0.26em; }
  .wordmark-jp { display: none; }

  .hero { min-height: 100svh; }
  .enso {
    left: 50%; top: 42%;
    width: min(78vw, 340px);
    transform: translate(-50%, -50%);
  }
  .hero-word {
    left: 50%; top: 42%;
    transform: translate(-50%, -50%);
    font-size: 2.6rem;
  }
  .hero-bowl {
    right: 8vw; top: auto; bottom: 13vh;
    transform: none;
    width: 41vw;
  }
  .hero-bowl figcaption { display: none; }
  .hero-line { bottom: 12vh; left: 1.3rem; font-size: 0.78rem; max-width: 46vw; }
  .hero-scroll { display: none; }

  .ph-label { position: static; flex-direction: row; align-items: baseline; margin-bottom: 2.6rem; padding: 0; }
  .sec-en { writing-mode: horizontal-tb; }
  .philosophy, .ceremony, .visit { padding: 5.5rem 1.3rem 5rem; }
  .ph-body, .cer-title, .steps, .visit-body { margin-left: 0; }
  .steps li:nth-child(even) { margin-left: 0; }
  .steps li { gap: 1.2rem; }
  .ph-room, .cer-img { width: 100%; margin-right: 0; }
  .visit-vert { display: none; }
  .visit-facts div { grid-template-columns: 1fr; gap: 0.4rem; }

  footer { grid-template-columns: 1fr; }
  .foot-links { align-items: flex-start; }
}