/* ============================================
   KYOTO ARCHITECTURE TOURS — stylesheet
   Design tokens
   ============================================ */

:root {
  --paper: #EAE3D6;        /* warm stone/washi paper */
  --paper-alt: #DED3BF;    /* deeper paper for alternating sections */
  --ink: #262320;          /* warm near-black */
  --ink-soft: #56514A;     /* secondary text */
  --indigo: #2E3B52;       /* ai-zome indigo — primary accent */
  --indigo-soft: #4A5A78;
  --moss: #5C6B52;         /* copper-patina green — secondary accent */
  --line: #C4B8A0;         /* hairline rule */
  --line-soft: #D6CBB6;
  --card-bg: #F2ECE0;

  --font-display: "Shippori Mincho", serif;
  --font-body: "Zen Kaku Gothic New", sans-serif;

  --max-width: 1180px;
  --gutter: clamp(1.25rem, 4vw, 4rem);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0;
  color: var(--ink);
}

p { margin: 0 0 1em; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--indigo);
  font-weight: 700;
  display: inline-block;
  margin-bottom: 0.9em;
}

.rule {
  border: none;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ============================================
   NAV
   ============================================ */

.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--gutter);
  background: transparent;
  transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
}

.site-nav.is-solid {
  background: rgba(234, 227, 214, 0.94);
  backdrop-filter: blur(6px);
  box-shadow: 0 1px 0 var(--line);
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}

.nav-mark {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  font-weight: 600;
}

.nav-mark small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--indigo);
  font-weight: 600;
  margin-top: 0.2em;
}

.nav-links {
  display: flex;
  gap: 2.1rem;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  list-style: none;
  margin: 0; padding: 0;
}

.nav-links a {
  position: relative;
  padding-bottom: 3px;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--indigo);
  transition: right 0.25s ease;
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
  right: 0;
}

.nav-toggle { display: none; }

@media (max-width: 720px) {
  .nav-links {
    position: fixed;
    inset: 0 0 auto 0;
    top: 0;
    background: var(--paper);
    flex-direction: column;
    gap: 0;
    padding: 6rem var(--gutter) 2rem;
    transform: translateY(-100%);
    transition: transform 0.3s ease;
    font-size: 1.1rem;
  }
  .nav-links.is-open { transform: translateY(0); }
  .nav-links li { border-bottom: 1px solid var(--line); }
  .nav-links a { display: block; padding: 1.1rem 0; }
  .nav-toggle {
    display: block;
    background: none;
    border: 1px solid var(--ink);
    border-radius: 2px;
    width: 40px; height: 34px;
    position: relative;
    z-index: 200;
    cursor: pointer;
  }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
    content: "";
    position: absolute;
    left: 9px; right: 9px;
    height: 1px;
    background: var(--ink);
  }
  .nav-toggle span { top: 16px; }
  .nav-toggle span::before { top: -6px; }
  .nav-toggle span::after { top: 6px; }
}

/* ============================================
   HERO
   ============================================ */

.hero {
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  position: relative;
  padding-top: 6rem;
  padding-bottom: clamp(2.5rem, 6vw, 5rem);
  background: var(--indigo);
  overflow: hidden;
}

.hero-blueprint {
  position: absolute;
  inset: 0;
  opacity: 0.16;
  background-image:
    linear-gradient(var(--paper) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, transparent, black 30%, black 100%);
}

.hero-photo-slot {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #3A4A66 0%, #2E3B52 55%, #232D3F 100%);
}

.hero-photo-slot img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.55;
}

.hero-inner {
  position: relative;
  z-index: 2;
  color: var(--paper);
  max-width: 780px;
}

.hero .eyebrow { color: #C9D2E0; }

.hero h1 {
  color: var(--paper);
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: 0.005em;
}

.hero h1 em {
  font-style: normal;
  color: #C9AF87;
}

.hero-sub {
  margin-top: 1.4rem;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: #DCE1EA;
  max-width: 46ch;
}

.hero-actions {
  margin-top: 2.2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  padding: 0.85em 1.6em;
  border-radius: 2px;
  border: 1px solid currentColor;
  transition: background 0.2s ease, color 0.2s ease;
  cursor: pointer;
  background: transparent;
}

.btn-solid {
  background: var(--paper);
  color: var(--indigo);
  border-color: var(--paper);
}

.btn-solid:hover { background: #C9AF87; border-color: #C9AF87; color: var(--ink); }

.btn-outline {
  color: var(--paper);
}

.btn-outline:hover { background: rgba(255,255,255,0.1); }

.btn-dark {
  color: var(--ink);
  border-color: var(--ink);
}
.btn-dark:hover { background: var(--ink); color: var(--paper); }

/* ============================================
   SECTIONS (generic)
   ============================================ */

section { padding: clamp(4rem, 9vw, 7rem) 0; }

.section-alt { background: var(--paper-alt); }

.section-head {
  max-width: 640px;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  line-height: 1.2;
}

/* ============================================
   INTRO / ABOUT
   ============================================ */

.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.intro-quote {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  line-height: 1.45;
  color: var(--indigo);
  border-left: 2px solid var(--indigo);
  padding-left: 1.4rem;
}

.intro-body p { color: var(--ink-soft); }

@media (max-width: 820px) {
  .intro-grid { grid-template-columns: 1fr; }
}

/* ============================================
   TYPOLOGY GRID (signature element)
   ============================================ */

.typology-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.typology-card {
  background: var(--card-bg);
  padding: 2rem 1.6rem 2.2rem;
  display: flex;
  flex-direction: column;
  min-height: 320px;
}

.typology-index {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--moss);
  letter-spacing: 0.06em;
  margin-bottom: 1.6rem;
}

.typology-icon {
  width: 46px; height: 46px;
  margin-bottom: 1.4rem;
  color: var(--indigo);
}

.typology-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.3em;
}

.typology-card .type-era {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.9em;
  font-weight: 600;
}

.typology-card p {
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin-bottom: 0;
  flex-grow: 1;
}

@media (max-width: 900px) {
  .typology-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .typology-grid { grid-template-columns: 1fr; }
}

/* ============================================
   ROUTE DIAGRAM
   ============================================ */

.route-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  background: var(--indigo);
  color: var(--paper);
  border-radius: 2px;
  padding: clamp(2.2rem, 5vw, 4rem);
}

.route-panel .eyebrow { color: #C9AF87; }
.route-panel h2 { color: var(--paper); font-size: clamp(1.6rem, 3vw, 2.2rem); }
.route-panel p { color: #DCE1EA; }

.route-meta {
  display: flex;
  gap: 2.2rem;
  margin: 1.6rem 0 2rem;
  flex-wrap: wrap;
}

.route-meta div { font-size: 0.82rem; color: #C9D2E0; }
.route-meta strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--paper);
  font-weight: 600;
}

.route-svg { width: 100%; height: auto; }

@media (max-width: 820px) {
  .route-panel { grid-template-columns: 1fr; }
}

/* ============================================
   TESTIMONIALS
   ============================================ */

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}

.testimonial-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  padding: 2rem;
}

.testimonial-card p.quote {
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ink);
}

.testimonial-attrib {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
}

.testimonial-card.placeholder {
  border-style: dashed;
  color: var(--ink-soft);
}
.testimonial-card.placeholder .quote { color: var(--ink-soft); font-style: italic; }

@media (max-width: 900px) {
  .testimonial-grid { grid-template-columns: 1fr; }
}

/* ============================================
   CONTACT STRIP (home) + CONTACT PAGE
   ============================================ */

.contact-strip {
  background: var(--paper-alt);
  text-align: center;
  padding: clamp(4rem, 9vw, 6rem) 0;
}

.contact-strip h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); max-width: 20ch; margin: 0 auto 1rem; }
.contact-strip p { max-width: 44ch; margin: 0 auto 2rem; color: var(--ink-soft); }

.contact-page-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2.5rem, 6vw, 5rem);
}

@media (max-width: 820px) {
  .contact-page-grid { grid-template-columns: 1fr; }
}

.contact-info dl {
  margin: 1.6rem 0 0;
}
.contact-info dt {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--indigo);
  font-weight: 700;
  margin-top: 1.4rem;
}
.contact-info dd {
  margin: 0.3em 0 0;
  font-size: 1rem;
}

form.tour-form {
  display: grid;
  gap: 1.3rem;
}

.form-row { display: grid; gap: 1.3rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

.field label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--indigo);
  margin-bottom: 0.5em;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.98rem;
  padding: 0.8em 0.9em;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--ink);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: 2px solid var(--indigo);
  outline-offset: 1px;
}

.field textarea { resize: vertical; min-height: 120px; }

.form-note {
  font-size: 0.82rem;
  color: var(--ink-soft);
}

/* ============================================
   FOOTER
   ============================================ */

footer.site-footer {
  background: var(--indigo);
  color: #C9D2E0;
  padding: clamp(3rem, 6vw, 4rem) 0 2rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  padding-bottom: 2.2rem;
  border-bottom: 1px solid rgba(255,255,255,0.14);
  margin-bottom: 1.6rem;
}

.footer-mark {
  font-family: var(--font-display);
  color: var(--paper);
  font-size: 1.2rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  padding: 0; margin: 0;
  font-size: 0.85rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.74rem;
  color: #98A6BC;
}

.footer-bottom a { text-decoration: underline; text-underline-offset: 2px; }

/* ============================================
   TOURS PAGE
   ============================================ */

.page-hero {
  padding-top: 9rem;
  padding-bottom: 3.5rem;
  background: var(--paper-alt);
}

.page-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  max-width: 16ch;
}

.page-hero p.lede {
  max-width: 60ch;
  color: var(--ink-soft);
  font-size: 1.05rem;
  margin-top: 1rem;
}

.tour-summary-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 2.4rem;
  margin-top: 2rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--line);
}

.tour-summary-bar div strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.3rem;
}
.tour-summary-bar div span {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
}

.itinerary {
  display: grid;
  gap: 0;
}

.itinerary-stop {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 2rem;
  padding: 2.6rem 0;
  border-bottom: 1px solid var(--line);
}

.itinerary-stop:first-child { padding-top: 0; }
.itinerary-stop:last-child { border-bottom: none; }

.itinerary-index {
  font-family: var(--font-display);
  font-size: 2.1rem;
  color: var(--line);
  line-height: 1;
}

.itinerary-body h3 {
  font-size: 1.35rem;
  margin-bottom: 0.2em;
}

.itinerary-time {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--moss);
  font-weight: 700;
  margin-bottom: 0.7em;
}

.itinerary-body p { color: var(--ink-soft); margin-bottom: 0.6em; max-width: 62ch; }

@media (max-width: 620px) {
  .itinerary-stop { grid-template-columns: 1fr; gap: 0.6rem; }
}

.split-note {
  background: var(--card-bg);
  border: 1px solid var(--line);
  padding: 2rem;
  margin-top: 1rem;
}

.split-note h3 { font-size: 1.15rem; margin-bottom: 0.6em; }

.split-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
  margin-top: 1.4rem;
}

@media (max-width: 620px) {
  .split-options { grid-template-columns: 1fr; }
}

.split-option {
  border-left: 2px solid var(--moss);
  padding-left: 1.1rem;
}

.split-option h4 {
  font-size: 1rem;
  margin-bottom: 0.3em;
}

.split-option p { font-size: 0.9rem; color: var(--ink-soft); margin: 0; }

/* ============================================
   TOUR CARDS + DIAGONAL SPLIT HEADERS (tours page)
   ============================================ */

.tour-block {
  padding: clamp(3rem, 6vw, 4.5rem) 0;
  border-bottom: 1px solid var(--line);
}
.tour-block:last-child { border-bottom: none; }

.split-header {
  position: relative;
  height: 300px;
  overflow: hidden;
  border-radius: 2px;
  margin-bottom: 1.8rem;
  background: var(--indigo);
}

.split-header .split-panel {
  position: absolute;
  inset: 0;
}

.split-header .split-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-header .split-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(38,35,32,0) 35%, rgba(38,35,32,0.78) 100%);
}

.split-header .split-title {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 1.7rem clamp(1.25rem, 4vw, 2.5rem);
  color: var(--paper);
}

.split-header .split-title .eyebrow { color: #C9AF87; margin-bottom: 0.4em; }
.split-header .split-title h3 {
  color: var(--paper);
  font-size: clamp(1.5rem, 3.2vw, 2.15rem);
}

/* 2-photo diagonal split */
.split-header.count-2 .split-panel:nth-child(1) { clip-path: polygon(-6% 0, 44% 0, 56% 100%, 6% 100%); }
.split-header.count-2 .split-panel:nth-child(2) { clip-path: polygon(44% 0, 94% 0, 106% 100%, 56% 100%); }

/* 4-photo diagonal split */
.split-header.count-4 .split-panel:nth-child(1) { clip-path: polygon(-4% 0, 21% 0, 29% 100%, 4% 100%); }
.split-header.count-4 .split-panel:nth-child(2) { clip-path: polygon(21% 0, 46% 0, 54% 100%, 29% 100%); }
.split-header.count-4 .split-panel:nth-child(3) { clip-path: polygon(46% 0, 71% 0, 79% 100%, 54% 100%); }
.split-header.count-4 .split-panel:nth-child(4) { clip-path: polygon(71% 0, 96% 0, 104% 100%, 79% 100%); }

/* 3-photo diagonal split */
.split-header.count-3 .split-panel:nth-child(1) { clip-path: polygon(-5% 0, 28% 0, 38% 100%, 5% 100%); }
.split-header.count-3 .split-panel:nth-child(2) { clip-path: polygon(28% 0, 62% 0, 72% 100%, 38% 100%); }
.split-header.count-3 .split-panel:nth-child(3) { clip-path: polygon(62% 0, 95% 0, 105% 100%, 72% 100%); }

.tour-note-small {
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-top: 0.8em;
}

@media (max-width: 640px) {
  .split-header { height: 340px; display: flex; }
  .split-header .split-panel {
    position: relative;
    flex: 1;
    height: 100%;
    clip-path: none !important;
  }
  .split-header .split-panel + .split-panel { margin-left: 2px; }
}

.tour-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.8rem;
  padding: 1.1rem 0 1.6rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.6rem;
}

.tour-meta-bar div strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
}
.tour-meta-bar div span {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
}

.tour-body-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}

@media (max-width: 820px) {
  .tour-body-grid { grid-template-columns: 1fr; }
}

.tour-desc p { color: var(--ink-soft); }

.mini-itinerary {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.mini-itinerary li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 0.8rem;
  font-size: 0.92rem;
}

.mini-itinerary .mi-index {
  font-family: var(--font-display);
  color: var(--moss);
  font-size: 0.95rem;
}

.mini-itinerary strong { display: block; }
.mini-itinerary span.mi-note { color: var(--ink-soft); font-size: 0.88rem; }

.tour-route-diagram { width: 100%; height: auto; }

.tour-actions { margin-top: 1.6rem; }

/* ============================================
   SINGLE-PAGE SCROLL SUPPORT
   ============================================ */

#home, #tours, #testimonials, #contact {
  scroll-margin-top: 84px;
}

.intro-grid.has-photo {
  grid-template-columns: 0.85fr 1.15fr;
}

@media (max-width: 820px) {
  .intro-grid.has-photo { grid-template-columns: 1fr; }
}

.about-photo {
  position: relative;
  border: 1px solid var(--line);
  background: var(--card-bg);
  aspect-ratio: 4 / 5;
  overflow: hidden;
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-photo .photo-placeholder-note {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
  border: 1px dashed var(--line);
}

.tour-quicklinks {
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin-top: 0.5em;
}

.tour-quicklinks a {
  text-decoration: underline;
  text-underline-offset: 2px;
  margin-right: 1em;
}

/* ============================================
   TESTIMONIALS PAGE empty-state
   ============================================ */

.testimonials-empty {
  border: 1px dashed var(--line);
  padding: clamp(2.5rem, 6vw, 4rem);
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3rem;
}

.testimonials-empty p { color: var(--ink-soft); }