/* ========================================
   Common Styles - Header, Footer, Reset
   ======================================== */

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

:root {
  --color-navy: #0c2d4a;
  --color-navy-dark: #061a2e;
  --color-green: #2a6b4f;
  --color-green-light: #3d8f6a;
  --color-gold: #c4a35a;
  --color-gold-light: #d4b872;
  --color-white: #ffffff;
  --color-gray-100: #f7f8fa;
  --color-gray-200: #e8ecf0;
  --color-gray-400: #9aa5b1;
  --color-gray-600: #5a6572;
  --color-gray-800: #2d3740;
  --font-serif: 'Cormorant Garamond', 'Noto Serif KR', serif;
  --font-sans: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  --header-height: 80px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 8px rgba(12, 45, 74, 0.08);
  --shadow-md: 0 8px 32px rgba(12, 45, 74, 0.12);
  --shadow-lg: 0 16px 48px rgba(12, 45, 74, 0.16);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
}

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

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-gray-800);
  background: var(--color-white);
  overflow-x: hidden;
  -webkit-user-select: none;
  user-select: none;
}

input,
textarea,
[contenteditable="true"] {
  -webkit-user-select: text;
  user-select: text;
}

a {
  color: inherit;
  text-decoration: none;
  -webkit-user-drag: none;
  user-drag: none;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  -webkit-user-drag: none;
  user-drag: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

.pc-only {
  display: inline;
}

@media (max-width: 768px) {
  .pc-only {
    display: none;
  }
}

/* ========================================
   Header
   ======================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
  overflow: visible;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.site-header.is-scrolled .logo-main {
  color: var(--color-navy);
}

.site-header.is-scrolled .logo-sub {
  color: var(--color-gray-400);
}

.site-header.is-scrolled .nav-link {
  color: var(--color-navy);
}

.site-header.is-scrolled .menu-toggle span {
  background: var(--color-navy);
}

.site-header.is-scrolled .menu-toggle.is-active span {
  background: var(--color-white);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  overflow: visible;
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: 1001;
}

.logo-main {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-white);
  transition: color var(--transition);
}

.logo-sub {
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition);
}

.site-header.is-scrolled .logo-sub {
  color: var(--color-gray-400);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
}

.menu-toggle.is-active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.menu-toggle.is-active span {
  background: var(--color-white);
}

.site-nav {
  overflow: visible;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: visible;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-white);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover,
.nav-item.is-open > .nav-link {
  background: rgba(255, 255, 255, 0.12);
}

.site-header.is-scrolled .nav-link:hover,
.site-header.is-scrolled .nav-item.is-open > .nav-link {
  background: var(--color-gray-100);
  color: var(--color-green);
}

.arrow-icon {
  width: 10px;
  height: 6px;
  transition: transform var(--transition);
}

.nav-item.is-open .arrow-icon {
  transform: rotate(180deg);
}

.has-dropdown {
  position: relative;
}

@media (min-width: 1025px) {
  .site-nav {
    position: static;
    display: block;
    padding: 0;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    overflow: visible;
  }

  .has-dropdown::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 10px;
  }
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  padding: 8px 0;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 1100;
  transition: opacity var(--transition), visibility var(--transition);
}

.nav-item.is-open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.dropdown-menu a {
  display: block;
  padding: 10px 24px;
  font-size: 0.875rem;
  color: var(--color-gray-800);
  transition: background var(--transition), color var(--transition);
}

.dropdown-menu a:hover {
  background: var(--color-gray-100);
  color: var(--color-green);
}

/* ========================================
   Footer
   ======================================== */

.site-footer {
  background: var(--color-navy-dark);
  color: rgba(255, 255, 255, 0.85);
  padding: 56px 40px 32px;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-company {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer-info p {
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.footer-info span {
  display: inline-block;
  min-width: 72px;
  color: rgba(255, 255, 255, 0.5);
  margin-right: 8px;
}

.footer-info a {
  color: var(--color-gold-light);
  transition: color var(--transition);
}

.footer-info a:hover {
  color: var(--color-white);
}

.footer-copy {
  max-width: 1280px;
  margin: 24px auto 0;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.35);
  text-align: center;
}

/* ========================================
   Floating Call Button
   ======================================== */

.floating-call {
  position: fixed;
  right: 24px;
  bottom: 32px;
  top: auto;
  transform: none;
  z-index: 1040;
  display: flex;
  align-items: center;
  gap: 0;
  width: 56px;
  height: 56px;
  padding: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-green) 0%, #1f8a62 100%);
  color: var(--color-white);
  box-shadow: 0 8px 24px rgba(42, 107, 79, 0.45);
  overflow: hidden;
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1),
    border-radius 0.35s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow var(--transition),
    transform var(--transition),
    opacity var(--transition),
    visibility var(--transition);
}

.floating-call:hover {
  width: 148px;
  border-radius: 50px;
  box-shadow: 0 12px 32px rgba(42, 107, 79, 0.55);
  transform: translateY(-4px);
}

.floating-call.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.floating-call-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--color-green);
  animation: floatingCallPulse 2.4s ease-out infinite;
  pointer-events: none;
}

.floating-call:hover .floating-call-pulse {
  animation: none;
  opacity: 0;
}

@keyframes floatingCallPulse {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  70% {
    transform: scale(1.45);
    opacity: 0;
  }
  100% {
    transform: scale(1.45);
    opacity: 0;
  }
}

.floating-call-icon {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
}

.floating-call-label {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  width: 0;
  overflow: hidden;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  opacity: 0;
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.25s ease,
    padding 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.floating-call:hover .floating-call-label {
  width: auto;
  padding-right: 20px;
  opacity: 1;
}

/* ========================================
   Header - Mobile
   ======================================== */

@media (max-width: 1024px) {
  .header-inner {
    padding: 0 24px;
  }

  .menu-toggle {
    display: flex;
  }

  .site-header.is-scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
  }

  .site-header.is-scrolled .logo-main {
    color: var(--color-navy);
  }

  .site-header.is-scrolled .logo-sub {
    color: var(--color-gray-400);
  }

  .site-header.is-scrolled .menu-toggle span {
    background: var(--color-navy);
  }

  .site-nav {
    position: fixed;
    inset: 0;
    top: 0;
    padding-top: var(--header-height);
    background: rgba(6, 26, 46, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: none;
    align-items: flex-start;
    justify-content: center;
    z-index: 999;
    overflow-y: auto;
  }

  .site-nav.is-open {
    display: flex;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 320px;
    padding: 24px 24px 40px;
  }

  .nav-link {
    color: var(--color-white);
    font-size: 1.1rem;
    padding: 16px 12px;
    justify-content: space-between;
  }

  .site-header.is-scrolled .site-nav .nav-link {
    color: var(--color-white);
  }

  .site-header.is-scrolled .site-nav .nav-item.is-open > .nav-link {
    background: rgba(255, 255, 255, 0.12);
    color: var(--color-gold-light);
  }

  .dropdown-menu {
    position: static;
    transform: none;
    background: rgba(255, 255, 255, 0.06);
    box-shadow: none;
    border-radius: var(--radius-sm);
    margin: 0 0 8px 12px;
    max-height: 0;
    overflow: hidden;
    padding: 0;
    opacity: 1;
    visibility: visible;
    pointer-events: none;
    transition: max-height 0.35s ease, padding 0.35s ease;
  }

  .nav-item.is-open .dropdown-menu {
    max-height: 400px;
    padding: 4px 0;
    pointer-events: auto;
  }

  .dropdown-menu a {
    color: rgba(255, 255, 255, 0.8);
    padding: 10px 20px;
  }

  .dropdown-menu a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-gold-light);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .footer-inner {
    flex-direction: column;
    padding: 0 0 32px;
  }

  .site-footer {
    padding: 40px 24px 24px;
  }

  .floating-call {
    right: 16px;
    bottom: 20px;
  }

  .floating-call:hover {
    transform: translateY(-2px);
    width: 52px;
    border-radius: 50%;
  }

  .floating-call-icon {
    width: 52px;
    height: 52px;
  }

  .floating-call-label {
    display: none;
  }
}