/* ===========================
   GLOBAL & RESET
=========================== */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Inter:wght@300;400;500;600&family=Noto+Serif+JP:wght@300;400&display=swap');

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

:root {
  --gold:       #c9a84c;
  --gold-light: #e8c97a;
  --gold-dark:  #9a7a2e;
  --charcoal:   #111111;
  --dark:       #1a1a1a;
  --dark-2:     #222222;
  --dark-3:     #2d2d2d;
  --cream:      #f5efe3;
  --cream-2:    #ede4d0;
  --red:        #c0392b;
  --text-light: #ccc5b5;
  --text-muted: #888070;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--charcoal);
  color: var(--cream);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ===========================
   NAVIGATION
=========================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.2rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition), padding var(--transition);
}

.navbar.scrolled {
  background: rgba(17, 17, 17, 0.96);
  backdrop-filter: blur(20px);
  padding: 0.8rem 3rem;
  border-bottom: 1px solid rgba(201, 168, 76, 0.2);
}

.nav-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.nav-logo .logo-jp {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.1rem;
  color: var(--gold);
  letter-spacing: 0.3em;
  line-height: 1;
}

.nav-logo .logo-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  color: var(--cream);
  letter-spacing: 0.15em;
  line-height: 1.2;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-light);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  position: relative;
  transition: color var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--gold);
}

.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

.nav-reserve-btn {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold) !important;
  padding: 0.5rem 1.4rem !important;
  border-radius: 2px;
  transition: all var(--transition) !important;
}

.nav-reserve-btn:hover {
  background: var(--gold) !important;
  color: var(--charcoal) !important;
}

.nav-reserve-btn::after {
  display: none !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--cream);
  transition: all var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===========================
   BUTTONS
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2.2rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  border-radius: 2px;
}

.btn-primary {
  background: var(--gold);
  color: var(--charcoal);
}

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201, 168, 76, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--cream);
  border: 1px solid rgba(245, 239, 227, 0.5);
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

/* ===========================
   SECTION COMMONS
=========================== */
.section-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.section-label .line {
  width: 40px;
  height: 1px;
  background: var(--gold);
}

.section-label span {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
}

.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 300;
  color: var(--cream);
  line-height: 1.2;
}

.section-title em {
  font-style: italic;
  color: var(--gold);
}

.divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(to right, var(--gold), transparent);
  margin: 1.5rem 0;
}

/* ===========================
   FOOTER
=========================== */
footer {
  background: #0a0a0a;
  padding: 4rem 3rem 2rem;
  border-top: 1px solid rgba(201, 168, 76, 0.2);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand .logo-jp {
  font-family: 'Noto Serif JP', serif;
  font-size: 1rem;
  color: var(--gold);
  letter-spacing: 0.3em;
}

.footer-brand .logo-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.8rem;
  color: var(--cream);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 260px;
  line-height: 1.8;
}

.footer-col h4 {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.2rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.7rem;
}

.footer-col ul li a {
  text-decoration: none;
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--gold);
}

.footer-col p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 2;
}

.footer-col address {
  font-style: normal;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 2;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.07);
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(201, 168, 76, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: all var(--transition);
}

.social-links a:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(201, 168, 76, 0.1);
}

/* ===========================
   ANIMATIONS
=========================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 1rem 1.5rem;
  }

  .navbar.scrolled {
    padding: 0.8rem 1.5rem;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background: rgba(17, 17, 17, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: 6rem 2.5rem 2rem;
    gap: 1.8rem;
    border-left: 1px solid rgba(201, 168, 76, 0.2);
    transition: right var(--transition);
    z-index: 999;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a {
    font-size: 0.9rem;
  }

  .hamburger {
    display: flex;
    z-index: 1001;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

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