/* =============================================
   EGG Eyelash Extensions Salon — COMMON CSS
   ============================================= */

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

:root {
  --color-bg: #ffffff;
  --color-bg-light: #f7f5f3;
  --color-bg-sage: #e8ede9;
  --color-text: #2c2c2c;
  --color-text-light: #888;
  --color-accent: #a8bfaa;
  --color-accent2: #b5cfc1;
  --color-border: #e0dbd5;
  --font-serif: 'Cormorant Garamond', serif;
  --font-sans: 'Josefin Sans', sans-serif;
  --font-jp: 'Noto Sans JP', sans-serif;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-jp);
  font-weight: 300;
  line-height: 1.8;
  overflow-x: hidden;
}

img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }

/* =============================================
   HEADER
   ============================================= */

.site-header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 200;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  border-color: var(--color-border);
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 2.5rem;
  max-width: 1400px;
  margin: 0 auto;
}

.header-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 0.15rem;
}

.logo-sub {
  font-family: var(--font-sans);
  font-weight: 200;
  font-size: 0.5rem;
  letter-spacing: 0.18em;
  color: var(--color-text-light);
}

.logo-main {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 1.4rem;
  letter-spacing: 0.35em;
  color: var(--color-text);
}

/* =============================================
   HAMBURGER BUTTON
   ============================================= */

.hamburger-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-bg);
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  z-index: 300;
  transition: background var(--transition);
  flex-shrink: 0;
}

.hamburger-btn:hover { background: var(--color-bg-light); }

.hamburger-btn span {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}

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

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.12);
  z-index: 250;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.nav-overlay.is-open {
  opacity: 1;
  pointer-events: all;
}

.nav-overlay-inner {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 50%;
  background: rgba(232, 246, 255, 0.98);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  overflow-y: auto;
  padding: 4rem 2.5rem 2.5rem;
  transform: translateX(100%);
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
}

.nav-overlay.is-open .nav-overlay-inner {
  transform: translateX(0);
}

.nav-overlay-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  margin-bottom: 0.5rem;
}

.nav-overlay-logo .logo-sub { font-size: 0.58rem; }
.nav-overlay-logo .logo-main { font-size: 1.8rem; letter-spacing: 0.4em; }

.nav-overlay-close {
  position: absolute;
  top: 1.4rem;
  right: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: none;
  cursor: pointer;
  font-size: 1rem;
  color: var(--color-text);
  transition: background var(--transition);
  z-index: 10;
}

.nav-overlay-close:hover { background: var(--color-bg-light); }

.nav-overlay-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.nav-overlay-list li {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.nav-overlay.is-open .nav-overlay-list li {
  opacity: 1;
  transform: translateY(0);
}

.nav-overlay.is-open .nav-overlay-list li:nth-child(1) { transition-delay: 0.05s; }
.nav-overlay.is-open .nav-overlay-list li:nth-child(2) { transition-delay: 0.1s; }
.nav-overlay.is-open .nav-overlay-list li:nth-child(3) { transition-delay: 0.15s; }
.nav-overlay.is-open .nav-overlay-list li:nth-child(4) { transition-delay: 0.2s; }
.nav-overlay.is-open .nav-overlay-list li:nth-child(5) { transition-delay: 0.25s; }
.nav-overlay.is-open .nav-overlay-list li:nth-child(6) { transition-delay: 0.3s; }
.nav-overlay.is-open .nav-overlay-list li:nth-child(7) { transition-delay: 0.35s; }
.nav-overlay.is-open .nav-overlay-list li:nth-child(8) { transition-delay: 0.4s; }

.nav-overlay-list a {
  font-family: var(--font-sans);
  font-weight: 200;
  font-size: clamp(0.9rem, 2vw, 1.15rem);
  letter-spacing: 0.18em;
  color: var(--color-text);
  display: block;
  padding: 0.15rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

.nav-overlay-list a:hover { border-color: var(--color-text); }

.nav-overlay-list .nav-label {
  font-family: var(--font-jp);
  font-size: 0.6rem;
  font-weight: 300;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
  display: block;
  margin-top: 0.1rem;
}

.nav-overlay-reserve {
  display: inline-block;
  border: 1px solid var(--color-text);
  padding: 0.7em 2.5em;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  transition: background var(--transition), color var(--transition);
}

.nav-overlay-reserve:hover { background: var(--color-text); color: #fff; }

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

.page-hero {
  position: relative;
  height: 70vh;
  min-height: 420px;
  overflow: hidden;
}

.page-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  transform: scale(1.05);
  transition: transform 1.2s ease;
}

.page-hero-img.loaded { transform: scale(1); }

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding-bottom: 5vh;
}

.page-hero-title {
  font-family: var(--font-sans);
  font-weight: 100;
  font-size: clamp(3rem, 8vw, 6rem);
  letter-spacing: 0.22em;
  color: rgba(255,255,255,0.85);
  line-height: 1;
  text-shadow: 0 0 40px rgba(0,0,0,0.1);
}

.page-hero-subtitle {
  font-family: var(--font-jp);
  font-weight: 300;
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  color: rgba(255,255,255,0.9);
  margin-top: 0.8rem;
  text-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

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

.btn-outline {
  display: inline-block;
  border: 1px solid var(--color-text);
  padding: 0.8em 2.4em;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  transition: background var(--transition), color var(--transition);
  text-align: center;
  cursor: pointer;
}

.btn-outline:hover { background: var(--color-text); color: #fff; }

.btn-fill {
  display: inline-block;
  border: 1px solid var(--color-text);
  background: transparent;
  padding: 0.7em 2em;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
}

.btn-fill:hover { background: var(--color-text); color: #fff; }

/* =============================================
   SECTION TITLE
   ============================================= */

.section-title {
  font-family: var(--font-sans);
  font-weight: 200;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  letter-spacing: 0.2em;
  text-align: center;
  margin-bottom: 3rem;
}

.section-title--left { text-align: left; }

/* =============================================
   BREADCRUMB
   ============================================= */

.breadcrumb {
  padding: 1.5rem 3rem;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--color-text-light);
  border-top: 1px solid var(--color-border);
  max-width: 1200px;
  margin: 0 auto;
}

.breadcrumb a { transition: color var(--transition); }
.breadcrumb a:hover { color: var(--color-text); }
.breadcrumb span { margin: 0 0.5rem; }

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

.footer-cta {
  background: var(--color-bg-sage);
  padding: 5rem 2rem;
}

.footer-cta-inner {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.8rem;
}

.footer-logo-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}

.footer-logo-sub {
  font-family: var(--font-sans);
  font-weight: 200;
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  color: var(--color-text-light);
}

.footer-logo-main {
  font-family: var(--font-sans);
  font-weight: 200;
  font-size: 2.2rem;
  letter-spacing: 0.42em;
  color: var(--color-text);
}

.footer-cta-text {
  font-family: var(--font-jp);
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  color: var(--color-text);
}

.footer-cta-note {
  font-size: 0.68rem;
  color: var(--color-text-light);
  margin-top: -1rem;
}

.footer-cta-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.footer-cta-btns .btn-fill { min-width: 180px; text-align: center; }

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

.site-footer {
  background: var(--color-bg-light);
  padding: 3rem 2rem;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.footer-nav-links {
  display: flex;
  justify-content: flex-end;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  margin-bottom: 0.5rem;
}

.footer-nav-links a {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  transition: color var(--transition);
}

.footer-nav-links a:hover { color: var(--color-text); }

.footer-copy {
  font-family: var(--font-sans);
  font-size: 0.6rem;
  color: var(--color-text-light);
  letter-spacing: 0.08em;
}

/* =============================================
   SCROLL ANIMATIONS
   ============================================= */

.fade-in {
  opacity: 0;
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.is-visible { opacity: 1; }

.slide-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-up-delay-1 { transition-delay: 0.1s; }
.slide-up-delay-2 { transition-delay: 0.2s; }
.slide-up-delay-3 { transition-delay: 0.3s; }

/* =============================================
   RESPONSIVE
   ============================================= */

@media (max-width: 900px) {
  .nav-overlay-inner { width: 62%; }
}

@media (max-width: 600px) {
  .header-inner { padding: 0.8rem 1.4rem; }
  .breadcrumb { padding: 1.2rem 1.4rem; }
  .footer-cta-btns { flex-direction: column; }
  .footer-cta-btns .btn-fill { min-width: 100%; }
  .nav-overlay-inner {
    width: 88%;
    padding: 4.5rem 1.4rem 2.5rem;
    gap: 1.4rem;
  }
  .nav-overlay-close { right: 1.4rem; }
  .nav-overlay-list { gap: 0.7rem; }
  .nav-overlay-list a { font-size: 0.85rem; letter-spacing: 0.12em; }
  .nav-overlay-logo .logo-main { font-size: 1.4rem; }
  .nav-overlay-logo .logo-sub { font-size: 0.5rem; }
  .nav-overlay-reserve { padding: 0.6em 1.6em; font-size: 0.68rem; }
}