/* ========================================
   WHITE MOON — Vesica Piscis Design System

   Core concept: Two circles overlapping
   Astronomy × Subconscious × Geometry

   √3 ratio system (Vesica Piscis = √3 : 1)
   √3 ≈ 1.732
   Scale: 1/√3=0.577, 1, √3=1.732, 3, 3√3=5.196
   ======================================== */

:root {
  /* Night palette — illumination from darkness */
  --color-bg: #0b0b14;
  --color-surface: #12121e;
  --color-text: #e0dbd0;
  --color-text-dim: #6b6577;
  --color-moon: #c8c1b4;
  --color-glow: rgba(200, 193, 180, 0.06);
  --color-border: rgba(200, 193, 180, 0.12);

  /* Fonts */
  --font-serif: 'Cormorant Garamond', 'Noto Serif TC', Georgia, serif;
  --font-sans: 'Inter', 'Noto Sans TC', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* √3 spacing scale */
  --s1: 0.577rem;   /* 1/√3 */
  --s2: 1rem;        /* base */
  --s3: 1.732rem;    /* √3 */
  --s4: 3rem;        /* √3² */
  --s5: 5.196rem;    /* √3³ */
}

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

html { font-size: 18px; }

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.732;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 300; letter-spacing: 0.02em; line-height: 1.2; }
h1 { font-size: 3.2rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.4rem; }

p { font-size: 1rem; color: var(--color-text-dim); max-width: 640px; }

a { color: var(--color-text); text-decoration: none; transition: opacity 0.3s ease; }
a:hover { opacity: 0.6; }

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* ---- Header / Nav ---- */
.site-header {
  position: fixed;
  top: 1.5rem; left: 0; right: 0;
  z-index: 100;
  padding: 0.5rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(to bottom, rgba(11, 11, 20, 0.5) 0%, rgba(11, 11, 20, 0) 100%);
}

.site-logo {
  display: flex;
  align-items: center;
}

.site-logo-img {
  height: 40px;
  width: auto;
}

.site-nav { display: flex; gap: 2rem; }
.site-nav a {
  font-family: var(--font-mono); font-size: 0.7rem;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--color-text-dim); position: relative;
}
.site-nav a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px; background: var(--color-moon);
  transition: width 0.3s ease;
}
.site-nav a:hover { color: var(--color-text); opacity: 1; }
.site-nav a:hover::after { width: 100%; }

.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.menu-toggle span { display: block; width: 20px; height: 1px; background: var(--color-text); margin: 5px 0; transition: all 0.3s ease; }

/* ============================================
   GALLERY VIEWER — Vesica Piscis × √3 Grid
   ============================================ */

.gallery-viewer {
  width: 100vw;
  height: 100vh;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 50% at 35% 50%, rgba(200, 193, 180, 0.03) 0%, transparent 70%),
    var(--color-bg);

  display: grid;
  /* √3-proportioned grid: photo area √3 parts : text area 1 part */
  grid-template-columns:
    [edge-l] var(--s5)
    [photo-start] 1.732fr
    [photo-end gap] 13rem
    [text-start] 1fr
    [text-end] 5vw [edge-r];
  grid-template-rows:
    [top] 5.5rem
    [main] 1fr
    [phase] auto
    [bottom] var(--s3);
  align-items: center;
}

/* Brand title — appears during opening */
.gv-brand {
  position: absolute;
  top: 50%;
  left: calc(50% + 180px);
  transform: translate(-50%, -50%);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--color-moon);
  z-index: 5;
  opacity: 0;
  pointer-events: none;
}

/* Photo area */
.gv-photo {
  grid-column: photo-start / photo-end;
  grid-row: main;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  height: 100%;
  z-index: 1;
}

/* Two overlapping circles behind the photo — moonlight glow */
/* Two overlapping circles — moonlight glow */
.vp-circle {
  position: absolute;
  width: 640px;
  height: 640px;
  border-radius: 50%;
  border: 1px solid rgba(200, 193, 180, 0.15);
  box-shadow:
    0 0 40px rgba(200, 193, 180, 0.04),
    0 0 80px rgba(200, 193, 180, 0.02),
    inset 0 0 40px rgba(200, 193, 180, 0.02);
  pointer-events: none;
  top: 50%;
  transform: translateY(-50%);
}

.vp-circle--l {
  left: calc(50% - 340px);
}

.vp-circle--r {
  left: calc(50% - 80px);
}

/* Vesica Piscis center line — short vertical light at intersection */
.gv-photo::before {
  content: '';
  position: absolute;
  top: 50%;
  left: calc(50% + 50px);
  height: 220px;
  transform: translateY(-50%);
  width: 1px;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(200, 193, 180, 0.12) 20%,
    rgba(200, 193, 180, 0.18) 50%,
    rgba(200, 193, 180, 0.12) 80%,
    transparent
  );
  z-index: 0;
}

/* Photo: circular, aligned with the LEFT circle */
.gv-photo-inner {
  position: relative;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  overflow: hidden;
  z-index: 1;
  /* Align photo with left circle */
  margin-right: auto;
  margin-left: calc(50% - 340px + 10px);
  /* Soft edge fade */
  -webkit-mask-image: radial-gradient(circle, black 60%, transparent 75%);
  mask-image: radial-gradient(circle, black 60%, transparent 75%);
  /* Moonlight glow around photo */
  box-shadow: 0 0 60px rgba(200, 193, 180, 0.06), 0 0 120px rgba(200, 193, 180, 0.03);
}

.gv-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  filter: grayscale(1) brightness(0.7);
}

.gv-img.active {
  opacity: 1;
}

/* Text area */
.gv-text {
  grid-column: text-start / text-end;
  grid-row: main;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  height: 100%;
  z-index: 1;
}

.gv-text-track {
  position: relative;
  width: 100%;
  min-height: 260px;
}

.gv-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  pointer-events: none;
}

.gv-slide.active {
  pointer-events: auto;
}

/* Typography — √3 scale */
.gv-label {
  font-family: var(--font-mono);
  font-size: 0.46rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  display: block;
  margin-bottom: 1.3rem;
}

.gv-title {
  font-size: 1.386rem;
  font-weight: 300;
  line-height: 1.4;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.gv-title a { color: var(--color-text); }
.gv-title a:hover { opacity: 0.6; }

.gv-meta {
  font-family: var(--font-mono);
  font-size: 0.46rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 1.3rem;
}

.gv-desc {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  line-height: 1.732;
  margin-bottom: 2.1rem;
  max-width: 300px;
}

.gv-link {
  font-family: var(--font-mono);
  font-size: 0.46rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--s1);
  transition: color 0.3s ease, border-color 0.3s ease;
}

.gv-link:hover { color: var(--color-text); border-color: var(--color-moon); opacity: 1; }

/* Moon phase indicator — replaces progress bar */
.moon-phases {
  grid-column: photo-start / text-end;
  grid-row: phase;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s3);
  padding-bottom: var(--s1);
}

.moon-phase {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid var(--color-text-dim);
  background: transparent;
  transition: all 0.8s ease;
  cursor: pointer;
}

.moon-phase.active {
  background: var(--color-moon);
  border-color: var(--color-moon);
  box-shadow: 0 0 8px rgba(200, 193, 180, 0.3);
}

.moon-phase.passed {
  background: var(--color-text-dim);
  border-color: var(--color-text-dim);
}

/* ---- Sections below gallery ---- */
.testimonials-section {
  padding: var(--s5) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.section-label {
  font-family: var(--font-mono);
  font-size: var(--s1);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: var(--s3);
  display: inline-block;
}

.section-title { margin-bottom: var(--s4); color: var(--color-text); }

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--s4);
}

.testimonial-card {
  border-top: 1px solid var(--color-border);
  padding-top: var(--s3);
}

.testimonial-quote-v {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 300;
  font-style: italic;
  line-height: 1.732;
  color: var(--color-text);
  margin-bottom: var(--s3);
}

.testimonial-author-v {
  font-family: var(--font-mono);
  font-size: var(--s1);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.booking-cta {
  padding: 8rem 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.booking-cta-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 520px;
}

.booking-cta-circle {
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  border: 1px solid rgba(200, 193, 180, 0.15);
  box-shadow:
    0 0 60px rgba(200, 193, 180, 0.04),
    0 0 120px rgba(200, 193, 180, 0.02),
    inset 0 0 40px rgba(200, 193, 180, 0.02);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.booking-cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.booking-cta-content h2 {
  margin-bottom: 1rem;
}

.booking-cta-content p {
  margin: 0 auto 2.5rem;
}

/* ---- Newsletter ---- */
.newsletter-section {
  padding: var(--s5) 0 6rem;
  background: var(--color-bg);
}

.newsletter-form {
  max-width: 400px;
  margin: 0 auto;
}

.newsletter-input-wrap {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
}

.newsletter-input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 0.7rem 0;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text);
  outline: none;
}

.newsletter-input::placeholder {
  color: rgba(200, 193, 180, 0.25);
}

.newsletter-submit {
  background: transparent;
  border: none;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.7rem 1.2rem;
  cursor: pointer;
  transition: color 0.3s ease;
}

.newsletter-submit:hover {
  color: var(--color-text);
}

/* ---- Page Transition — two circles approach → overlap → separate ---- */
.page-transition {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
}

.page-transition-cover {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: #000;
  transform: translateX(100%);
}

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--s4) 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}

/* Vesica Piscis decoration */
.footer-vp {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.footer-vp-circle {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 1px solid rgba(200, 193, 180, 0.06);
  top: 50%;
  transform: translateY(-50%);
}

.footer-vp-l { left: -40px; }
.footer-vp-r { left: 10px; }

.footer-left { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.1em; color: var(--color-text-dim); position: relative; z-index: 1; }
.footer-social { display: flex; gap: 1.5rem; position: relative; z-index: 1; }
.footer-social a { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-text-dim); }

/* ============================================
   VERTICAL PAGES (About, Works list, etc.)
   ============================================ */

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s5);
  align-items: start;
  padding: 10rem 0 6rem;
}

.about-text h1 { font-size: 2.4rem; font-weight: 200; margin-bottom: 2rem; }
.about-text p { margin-bottom: 1.5rem; max-width: none; }
.about-image {
  overflow: hidden;
  border-radius: 50%;
  aspect-ratio: 1 / 1;
  -webkit-mask-image: radial-gradient(circle, black 60%, transparent 75%);
  mask-image: radial-gradient(circle, black 60%, transparent 75%);
}
.about-image img { width: 100%; height: 100%; object-fit: cover; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--s4);
  padding-top: 2rem;
  padding-bottom: 6rem;
}

.card-image {
  overflow: hidden;
  margin-bottom: 1.2rem;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: var(--color-surface);
  max-width: 320px;
  margin-left: auto;
  margin-right: auto;
  -webkit-mask-image: radial-gradient(circle, black 65%, transparent 72%);
  mask-image: radial-gradient(circle, black 65%, transparent 72%);
}

.card-image img { width: 100%; height: 100%; object-fit: cover; }
.card:hover .card-image img { transform: scale(1.03); }
.card-title { font-family: var(--font-serif); font-size: 1.3rem; font-weight: 400; margin-bottom: 0.4rem; }
.card-meta { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; color: var(--color-text-dim); }
.card-excerpt { font-size: 0.9rem; color: var(--color-text-dim); margin-top: 0.8rem; line-height: 1.732; }

/* Back link */
.back-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 1.5rem;
  transition: color 0.3s ease;
}
.back-link:hover { color: var(--color-text); opacity: 1; }

.single-header { padding: 7rem 0 1.5rem; text-align: center; }
.single-header h1 { font-size: 2.8rem; font-weight: 200; }
.single-meta { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.15em; color: var(--color-text-dim); margin-top: 1rem; }
.single-cover {
  max-width: 600px; margin: 0 auto 2rem; overflow: hidden;
  border-radius: 50%;
  aspect-ratio: 1 / 1;
  -webkit-mask-image: radial-gradient(circle, black 60%, transparent 75%);
  mask-image: radial-gradient(circle, black 60%, transparent 75%);
}
.single-cover img {
  width: 100%; height: 100%; object-fit: cover;
  /* Start dark — GSAP reveals with moonlight animation */
  filter: grayscale(1) brightness(0.2);
  transform: scale(1.05);
}
.about-image img {
  filter: grayscale(1) brightness(0.2);
  transform: scale(1.05);
}
.card-image img {
  filter: grayscale(1) brightness(0.2);
  transform: scale(1.05);
}
.single-content { max-width: 680px; margin: 0 auto; padding-bottom: 6rem; }
.single-content p { margin-bottom: 1.5rem; max-width: none; }

.booking-section { text-align: center; padding: 7rem 0 6rem; }
.booking-section h1 { font-size: 2.8rem; font-weight: 200; margin-bottom: 1rem; }
.booking-section p { margin: 0 auto 3rem; text-align: center; }

.booking-circle {
  width: 560px;
  height: 560px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow:
    0 0 60px rgba(200, 193, 180, 0.04),
    0 0 120px rgba(200, 193, 180, 0.02),
    inset 0 0 40px rgba(200, 193, 180, 0.02);
}

.booking-form {
  width: 280px;
  text-align: left;
  padding: 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 0.4rem;
}

.form-group input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  padding: 0.5rem 0;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text);
  outline: none;
  transition: border-color 0.3s ease;
}

.form-group input::placeholder {
  color: rgba(200, 193, 180, 0.25);
}

.form-group input:focus {
  border-bottom-color: var(--color-moon);
}

.booking-submit {
  display: block;
  margin: 1rem auto 0;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.7rem 2rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.booking-submit:hover {
  color: var(--color-text);
  border-color: var(--color-moon);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  html { font-size: 15px; }

  .gallery-viewer {
    grid-template-columns: [edge-l] 1rem [photo-start text-start] 1fr [photo-end text-end gap] 1rem [edge-r];
    grid-template-rows: [top] 14vh [main] auto [text-row] auto [phase] auto [bottom] 1.5rem;
    height: auto;
    min-height: 100vh;
    min-height: 100dvh;
    align-items: start;
  }

  .gv-brand { font-size: 0.6rem; letter-spacing: 0.3em; top: calc(45% + 5px); left: calc(50% + 3vw); white-space: nowrap; }

  .gv-photo {
    grid-column: photo-start / photo-end;
    grid-row: main;
    height: auto;
    justify-content: center;
    padding-top: 1rem;
    padding-bottom: 1rem;
  }
  .gv-photo-inner {
    width: 74vw;
    height: 74vw;
    margin-left: calc(50% - 52vw);
    margin-right: auto;
    -webkit-mask-image: radial-gradient(circle, black 70%, transparent 88%);
    mask-image: radial-gradient(circle, black 70%, transparent 88%);
  }
  .vp-circle {
    width: 78vw;
    height: 78vw;
  }
  .vp-circle--l { left: calc(50% - 54vw); }
  .vp-circle--r { left: calc(50% - 18vw); }
  .gv-photo::before { left: calc(50% + 3vw); height: 54vw; }

  .gv-text {
    grid-column: text-start / text-end;
    grid-row: text-row;
    height: auto;
    padding: var(--s3) 0.5rem;
    align-items: flex-start;
  }
  .gv-text-track { min-height: 200px; }
  .gv-title { font-size: 1.25rem; color: #ede9e0; }
  .gv-desc { font-size: 0.82rem; max-width: none; margin-bottom: 1.5rem; color: #9e96a8; }
  .gv-label, .gv-meta { font-size: 0.48rem; color: #8a8296; }
  .gv-link { font-size: 0.48rem; color: #8a8296; }

  .moon-phases {
    grid-column: photo-start / text-end;
    gap: var(--s2);
    padding-bottom: var(--s2);
  }

  .site-header { padding: 1rem 1.2rem; }

  .site-nav {
    display: none !important;
    position: fixed !important;
    top: 0 !important; left: 0 !important;
    width: 100vw !important; height: 100vh !important;
    height: 100dvh !important;
    background: #000000 !important;
    flex-direction: column;
    justify-content: center; align-items: center;
    gap: 2rem; z-index: 9999;
    padding: 4rem 2rem;
    overflow-y: auto;
  }
  .site-nav.open { display: flex !important; }
  .menu-toggle { z-index: 10000; }
  .site-nav a { font-size: 0.9rem; color: var(--color-text); letter-spacing: 0.2em; }
  .menu-toggle { display: block; }
  .menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
  .menu-toggle.open span:nth-child(2) { opacity: 0; }
  .menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

  .card-grid { grid-template-columns: 1fr; padding-top: 1rem; gap: 1.5rem; }
  .card-image { max-width: 240px; }
  .about-layout { grid-template-columns: 1fr; gap: var(--s3); padding: 5rem 0 4rem; }
  .testimonial-grid { grid-template-columns: 1fr; }

  .single-header { padding: 5rem 0 1rem; }
  .single-header h1 { font-size: 2rem; }
  .booking-section { padding: 4rem 0 4rem; }
  .booking-section h1 { font-size: 1.8rem; margin-bottom: 0.5rem; }
  .booking-circle {
    width: 88vw; height: 88vw;
    margin-left: calc((100vw - 88vw) / 2 - 2rem);
  }
  .booking-form { width: 52vw; }

  .booking-cta { padding: 5rem 0; }
  .booking-cta-inner { min-height: 80vw; }
  .booking-cta-circle { width: 75vw; height: 75vw; }
  .booking-cta-content h2 { font-size: 1.6rem; }
  .booking-cta-content p { font-size: 0.85rem; }

  .site-footer { flex-direction: column; gap: 1rem; text-align: center; }

}