/* =====================================================
   Dress up Doll by Twin ange — Official Stylesheet
   Theme: Night Sky / Dark Elegance
   ===================================================== */

/* --- Custom Properties --- */
:root {
  /* Core Colors (Night Theme) */
  --c-night-bg:       #0d0f1a;
  --c-night-surface:  #141728;
  --c-night-surface2: #1a1e35;
  --c-night-border:   rgba(140, 208, 235, 0.12);
  --c-night-text:     #e0e8f0;
  --c-night-muted:    #8a9ab5;
  --c-night-dim:      #4a5a78;

  /* Brand Accents (Sky Blue) */
  --c-accent:         #8CD0EB;
  --c-accent-mid:     #62B8D8;
  --c-accent-dark:    #3A9AC2;
  --c-accent-glow:    rgba(140, 208, 235, 0.18);
  
  /* Gold Accents */
  --c-gold:           #d4a853;
  --c-gold-pale:      rgba(212, 168, 83, 0.12);

  /* Typography */
  --f-display:  'Cormorant Garamond', 'Noto Serif JP', Georgia, serif;
  --f-script:   'Great Vibes', cursive;
  --f-body:     'Noto Serif JP', 'Hiragino Mincho ProN', Georgia, serif;

  /* Spacing */
  --sp-xs:  0.5rem;
  --sp-sm:  1rem;
  --sp-md:  2rem;
  --sp-lg:  4rem;
  --sp-xl:  6rem;
  --sp-2xl: 9rem;

  /* Radius */
  --r-sm:  6px;
  --r-md:  12px;
  --r-lg:  24px;

  /* Transitions */
  --ease:     cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --dur-fast: 200ms;
  --dur-mid:  400ms;
  --dur-slow: 700ms;

  /* Layout */
  --max-width: 1100px;
  --header-h:  72px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--c-night-bg);
  color: var(--c-night-text);
  font-family: var(--f-body);
  font-weight: 300;
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; background: none; border: none; font: inherit; }

/* --- Utility --- */
.container {
  width: min(var(--max-width), 100% - 3rem);
  margin-inline: auto;
}
.section {
  padding-block: var(--sp-2xl);
  position: relative;
}
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}
.reveal.in-view {
  opacity: 1;
  transform: none;
}

/* =====================================================
   TYPOGRAPHY
   ===================================================== */
.section__label {
  font-family: var(--f-display);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--sp-sm);
}
.section__title {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
  color: var(--c-night-text);
  margin-bottom: var(--sp-md);
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.75em 2em;
  border-radius: var(--r-sm);
  font-family: var(--f-display);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  transition: all var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: linear-gradient(135deg, var(--c-accent-mid), var(--c-accent));
  color: var(--c-night-bg);
  font-weight: 500;
}
.btn--primary:hover {
  opacity: 0.88;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--c-accent-glow);
}
.btn--full { width: 100%; justify-content: center; }
.btn--ghost {
  background: transparent;
  border: 1px solid var(--c-night-muted);
  color: var(--c-night-muted);
}
.btn--ghost:hover {
  border-color: var(--c-night-text);
  color: var(--c-night-text);
}

/* =====================================================
   HEADER
   ===================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 100;
  transition: all var(--dur-mid) var(--ease);
}
.header::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  transition: all var(--dur-mid) var(--ease);
}
.header:not(.scrolled)::before {
  background: rgba(13, 15, 26, 0.65);
}
.header.scrolled {
  box-shadow: 0 1px 0 var(--c-night-border);
}
.header.scrolled::before {
  background: rgba(13, 15, 26, 0.92);
  backdrop-filter: blur(20px);
}
.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-wordmark {
  transition: color var(--dur-fast) var(--ease);
}
.header:not(.scrolled) .nav__link,
.header:not(.scrolled) .header-wordmark {
  color: rgba(255, 255, 255, 0.85);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}
.header:not(.scrolled) .nav__link:hover,
.header:not(.scrolled) .header-wordmark:hover {
  color: #fff;
}
.header.scrolled .header-wordmark {
  color: var(--c-accent);
}

/* Nav */
.nav ul {
  display: flex;
  gap: var(--sp-md);
}
.nav__link {
  font-family: var(--f-display);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-night-muted);
  transition: color var(--dur-fast) var(--ease);
  position: relative;
}
.nav__link:hover,
.nav__link.active {
  color: var(--c-accent);
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--c-accent);
  transform: scaleX(0);
  transition: transform var(--dur-fast) var(--ease);
}
.nav__link:hover::after,
.nav__link.active::after {
  transform: scaleX(1);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  z-index: 110;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: #fff;
  border-radius: 1px;
  transition: all var(--dur-fast) var(--ease);
}
.header.scrolled .nav-toggle span { background: var(--c-night-text); }

/* =====================================================
   HERO
   ===================================================== */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__slideshow { position: absolute; inset: 0; }
.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.8s ease;
  background-size: cover;
  background-position: center;
}
.hero__slide.active { opacity: 1; }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
      rgba(13, 15, 26, 0.5) 0%,
      rgba(13, 15, 26, 0.2) 40%,
      rgba(13, 15, 26, 0.7) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
}
.hero__eyebrow {
  font-family: var(--f-display);
  font-size: 0.75rem;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 1.5rem;
}
.hero__title {
  font-family: var(--f-script);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 400;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 40px rgba(140, 208, 235, 0.3);
}
.hero__subtitle {
  font-family: var(--f-display);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--c-night-muted);
  margin-bottom: 2rem;
}
.hero__catch {
  font-family: var(--f-body);
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: rgba(255, 255, 255, 0.8);
  line-height: 2;
  margin-bottom: 2.5rem;
}
.hero__tags {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero__tag {
  font-family: var(--f-display);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  padding: 0.4em 1.2em;
  border: 1px solid rgba(140, 208, 235, 0.35);
  border-radius: 2px;
  color: var(--c-accent);
  background: rgba(140, 208, 235, 0.06);
}

/* Starfield */
.starfield { position: absolute; inset: 0; pointer-events: none; }
.star {
  position: absolute;
  background: #fff;
  border-radius: 50%;
  animation: twinkle var(--dur) ease-in-out infinite var(--delay);
}
@keyframes twinkle {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 0.8; }
}

/* Scroll Hint */
.hero__scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--f-display);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-night-dim);
}
.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--c-accent), transparent);
  animation: scroll-hint 2s ease-in-out infinite;
}
@keyframes scroll-hint {
  0%, 100% { transform: scaleY(0.6); opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* =====================================================
   SECTIONS
   ===================================================== */
.section--dark { background: var(--c-night-bg); border-top: 1px solid var(--c-night-border); }
.section--alt { background: var(--c-night-surface); border-top: 1px solid var(--c-night-border); }

/* About */
.about--doll .about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-xl);
  align-items: center;
}
.about__deco {
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.4);
}
.about__deco-img { width: 100%; height: 100%; object-fit: cover; }
.about__catch {
  text-align: center;
  font-family: var(--f-display);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-style: italic;
  margin-bottom: var(--sp-xl);
  color: rgba(255, 255, 255, 0.85);
}
.about__lead { font-size: 1.15rem; margin-bottom: 1.5rem; }
.about__body { color: var(--c-night-muted); line-height: 2; }

/* Menu Highlights */
.menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}
.menu-card {
  background: var(--c-night-surface2);
  border: 1px solid var(--c-night-border);
  border-radius: var(--r-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: all 0.3s ease;
}
.menu-card:hover { border-color: var(--c-accent); transform: translateY(-4px); }
.menu-card__icon { font-size: 2.5rem; margin-bottom: 1rem; display: block; }
.menu-card__title { font-family: var(--f-display); font-size: 1.1rem; margin-bottom: 0.75rem; }
.menu-card__desc { font-size: 0.88rem; color: var(--c-night-muted); }

/* Detailed Menu List */
.menu-category { margin-top: 5rem; padding-top: 3rem; border-top: 1px solid var(--c-night-border); }
.menu-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem 4rem; margin-top: 2.5rem; }
.menu-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px dotted var(--c-night-border);
  padding-bottom: 0.5rem;
}
.menu-item-name { flex: 1; padding-right: 1rem; }
.menu-item-price { font-family: var(--f-display); color: var(--c-accent); }

/* Info Box */
.info-box--night {
  background: var(--c-night-surface2);
  border: 1px solid var(--c-night-border);
  border-radius: var(--r-lg);
  padding: 2.5rem;
  max-width: 640px;
  margin: 3rem auto 0;
}
.info-row--night {
  display: flex;
  gap: 1.5rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--c-night-border);
}
.info-row--night:last-child { border-bottom: none; }
.info-label { color: var(--c-accent); min-width: 6em; }
.info-val { color: var(--c-night-muted); }

/* Access */
.access-box--night {
  background: var(--c-night-surface2);
  border: 1px solid var(--c-night-border);
  border-radius: var(--r-lg);
  padding: 2.5rem;
  max-width: 640px;
  margin: 0 auto;
}
.access-dl dt { color: var(--c-accent); font-family: var(--f-display); margin-top: 0.5rem; }
.access-dl dd { color: var(--c-night-muted); margin: 0; }
.access-dl dd a { color: var(--c-accent); }

/* Contact Section */
.contact--night {
  background: var(--c-night-surface);
  border-top: 1px solid var(--c-night-border);
}

/* Contact Form */
.contact-form { display: flex; flex-direction: column; gap: var(--sp-md); }
.form-field { display: flex; flex-direction: column; gap: 0.4em; }
.form-field label { font-family: var(--f-display); color: var(--c-night-muted); }
.required { color: var(--c-accent); margin-left: 0.25em; }
.form-field input, .form-field select, .form-field textarea {
  background: var(--c-night-surface2);
  border: 1px solid var(--c-night-border);
  border-radius: var(--r-sm);
  color: var(--c-night-text);
  padding: 0.75em 1em;
  width: 100%;
}
.form-field select option { background: var(--c-night-surface2); color: var(--c-night-text); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px var(--c-accent-glow);
}
.form-note {
  font-size: 0.78rem;
  color: var(--c-night-dim);
  text-align: center;
  margin-top: -0.5rem;
}
.form-success {
  padding: 2rem;
  border: 1px solid var(--c-accent);
  background: rgba(140, 208, 235, 0.08);
  color: var(--c-accent);
  text-align: center;
}

/* =====================================================
   FOOTER
   ==================================================== */
.footer {
  background: var(--c-night-surface2);
  border-top: 1px solid var(--c-night-border);
  padding-block: var(--sp-xl);
}
.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-md);
  text-align: center;
}
.footer__tagline { color: var(--c-night-dim); font-size: 0.75rem; }
.footer__nav { display: flex; gap: var(--sp-md); }
.footer__nav a { color: var(--c-night-dim); font-size: 0.75rem; }
.footer__nav a:hover { color: var(--c-accent); }
.footer__copy { color: var(--c-night-dim); font-size: 0.75rem; margin-top: 1rem; }

/* =====================================================
   Modal (Confirmation)
   ===================================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(4, 10, 20, 0.85);
  backdrop-filter: blur(8px);
}

.modal__content {
  position: relative;
  width: 100%;
  max-width: 540px;
  background: #0d121f;
  border: 1px solid var(--c-night-border);
  border-radius: 4px;
  padding: 2.5rem 2rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  transform: translateY(20px);
  transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.modal.active .modal__content {
  transform: translateY(0);
}

.modal__title {
  text-align: center;
  font-family: var(--f-display);
  font-size: 1.5rem;
  color: var(--c-accent);
  margin-bottom: 2rem;
}

.modal__list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.modal__item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.modal__label {
  font-size: 0.75rem;
  color: var(--c-night-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.modal__value {
  font-size: 1rem;
  color: var(--c-night-text);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
}

.modal__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 480px) {
  .modal__content {
    padding: 2rem 1.25rem;
  }
  .modal__actions {
    grid-template-columns: 1fr;
  }
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 900px) {
  .about--doll .about__inner { grid-template-columns: 1fr; }
  .menu-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .menu-list { grid-template-columns: 1fr; gap: 1rem; }
}

@media (max-width: 680px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    inset: 0;
    background: rgba(13, 15, 26, 0.97);
    backdrop-filter: blur(20px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 105;
  }
  .nav.open { display: flex; }
  .nav ul { flex-direction: column; align-items: center; gap: var(--sp-lg); }
  .nav__link { font-size: 1.4rem; }
}