/* 아인수 홈페이지 커스텀 스타일 */

/* CSS 변수 정의 */
:root {
  /* 브랜드 컴러 */
  --primary-blue: #1e40af;
  --secondary-blue: #3b82f6;
  --light-blue: #60a5fa;
  --accent-blue: #dbeafe;

  /* 텍스트 컴러 */
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --text-white: #ffffff;

  /* 배경 컴러 */
  --bg-white: #ffffff;
  --bg-gray-50: #f9fafb;
  --bg-gray-100: #f3f4f6;

  /* 보더 컴러 */
  --border-gray-200: #e5e7eb;
  --border-gray-300: #d1d5db;

  /* 애니메이션 */
  --transition-base: all 0.3s ease;
  --transition-fast: all 0.2s ease;
  --shadow-base: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

body {
  font-family: "Noto Sans KR", "Inter", sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
  transition: var(--transition-base);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 애니메이션 클래스 */
.animate-fade-in {
  animation: fadeIn 0.8s ease-out;
}

.animate-fade-in-delay {
  animation: fadeIn 0.8s ease-out 0.2s both;
}

.animate-fade-in-delay-2 {
  animation: fadeIn 0.8s ease-out 0.4s both;
}

.animate-fade-in-delay-3 {
  animation: fadeIn 0.8s ease-out 0.6s both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 헤더 스타일 */
#header {
  transition: var(--transition-base);
  background-color: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

#header nav {
  transition: var(--transition-base);
}

#header h1 {
  transition: var(--transition-base);
  font-weight: 700;
}

#header nav a,
#header #language-select,
#header button {
  transition: var(--transition-base);
  font-weight: 500;
}

/* 스크롤 상태에 따른 헤더 스타일 전환 */
#header.scrolled {
  background-color: rgba(255, 255, 255, 0.98) !important;
  backdrop-filter: blur(16px) !important;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.15) !important;
  border-bottom: 1px solid rgba(229, 231, 235, 0.8) !important;
}

#header.scrolled nav {
  background-color: rgba(255, 255, 255, 0.98);
  border-bottom-color: #e5e7eb;
}

#header.scrolled .header-logo {
  color: #1e40af !important;
  font-weight: 700 !important;
}

#header.scrolled .header-subtitle {
  color: #6b7280 !important;
  font-weight: 500 !important;
}

#header.scrolled .nav-link {
  color: #374151 !important;
  font-weight: 600 !important;
}

#header.scrolled .nav-link:hover {
  color: #1e40af !important;
  font-weight: 700 !important;
}

#header.scrolled #language-select {
  background-color: rgba(255, 255, 255, 0.95) !important;
  border-color: #d1d5db !important;
  color: #374151 !important;
  font-weight: 600 !important;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
}

#header.scrolled button {
  background-color: rgba(243, 244, 246, 0.95) !important;
  border: 1px solid #e5e7eb !important;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
}

#header.scrolled button:hover {
  background-color: rgba(229, 231, 235, 0.95) !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15) !important;
}

#header.scrolled button svg {
  color: #4b5563 !important;
  filter: drop-shadow(0 1px 1px rgba(255, 255, 255, 0.5)) !important;
}

/* 기본 헤더 상태 (스크롤 전) 명시적 스타일 */
#header:not(.scrolled) .header-logo {
  color: #ffffff !important;
}

#header:not(.scrolled) .header-subtitle {
  color: rgba(255, 255, 255, 0.9) !important;
}

#header:not(.scrolled) .nav-link {
  color: #ffffff !important;
}

#header:not(.scrolled) .nav-link:hover {
  color: #bfdbfe !important;
}

#header:not(.scrolled) #language-select {
  background-color: rgba(255, 255, 255, 0.2) !important;
  border-color: rgba(255, 255, 255, 0.3) !important;
  color: #ffffff !important;
}

#header:not(.scrolled) button {
  background-color: rgba(255, 255, 255, 0.2) !important;
  border-color: rgba(255, 255, 255, 0.3) !important;
}

#header:not(.scrolled) button svg {
  color: #ffffff !important;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.5)) !important;
}

/* 모바일 메뉴 버튼 특별 스타일 */
#mobile-menu-button {
  cursor: pointer !important;
  z-index: 1001 !important;
  min-width: 48px !important;
  min-height: 48px !important;
  user-select: none !important;
  -webkit-tap-highlight-color: transparent !important;
  -webkit-touch-callout: none !important;
  -webkit-user-select: none !important;
  -khtml-user-select: none !important;
  -moz-user-select: none !important;
  -ms-user-select: none !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  position: relative !important;
  touch-action: manipulation !important;
}

#mobile-menu-button:hover {
  transform: scale(1.05) !important;
  background-color: rgba(255, 255, 255, 0.3) !important;
}

#mobile-menu-button:active {
  transform: scale(0.95) !important;
  background-color: rgba(255, 255, 255, 0.4) !important;
}

#mobile-menu-button:focus {
  outline: 2px solid rgba(255, 255, 255, 0.5) !important;
  outline-offset: 2px !important;
}

/* 모바일 메뉴 스타일 개선 */
#mobile-menu {
  background-color: rgba(255, 255, 255, 0.98) !important;
  backdrop-filter: blur(12px) !important;
  border-top: 1px solid #e5e7eb !important;
  z-index: 1000 !important;
  position: relative !important;
  transition: all 0.3s ease !important;
}

#mobile-menu a {
  color: #374151 !important;
  font-weight: 500 !important;
  transition: all 0.2s ease !important;
  padding: 12px 16px !important;
  border-radius: 8px !important;
  margin: 2px 8px !important;
}

#mobile-menu a:hover {
  background-color: rgba(59, 130, 246, 0.1) !important;
  color: #1e40af !important;
  transform: translateX(4px) !important;
}

/* 모바일 메뉴의 상담/문의 버튼 특별 스타일 */
#mobile-menu a[data-page="contact"] {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6) !important;
  color: #ffffff !important;
  font-weight: 600 !important;
  text-align: center !important;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3) !important;
  border: none !important;
  margin: 8px 12px !important;
  padding: 14px 20px !important;
}

#mobile-menu a[data-page="contact"]:hover {
  background: linear-gradient(135deg, #2563eb, #7c3aed) !important;
  color: #ffffff !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4) !important;
}

#mobile-menu a[data-page="contact"] svg {
  color: #ffffff !important;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2)) !important;
}

/* 히어로 섹션 */
#hero {
  position: relative;
}

#hero-image {
  transition: all 1s ease-in-out;
  will-change: transform;
}

/* 네비게이션 링크 호버 효과 */
.nav-link {
  position: relative;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-blue);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* 버튼 호버 효과 */
.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.4s ease;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* 카드 호버 효과 */
.card {
  transition: var(--transition-base);
  cursor: pointer;
  will-change: transform;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* 스크롤 애니메이션 */
.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.scroll-animate.animate {
  opacity: 1;
  transform: translateY(0);
}

/* 이미지 갤러리 */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.image-gallery img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 8px;
  transition: var(--transition-base);
  will-change: transform;
}

.image-gallery img:hover {
  transform: scale(1.03);
}

/* 폼 스타일 */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-dark);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: 8px;
  font-size: 1rem;
  transition:
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-input.error {
  border-color: #ef4444;
}

.error-message {
  color: #ef4444;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .section-padding {
    padding: 2.5rem 0;
  }

  .card:hover {
    transform: translateY(-2px);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.875rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .btn-primary {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
  }

  .image-gallery {
    grid-template-columns: 1fr;
  }
}

/* 로딩 애니메이션 */
.loading {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--text-white);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 스크롤바 스타일 */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-blue);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-blue);
}

/* 쇼핑 카트 스타일 */
.cart-notification {
  animation: slideInRight 0.25s ease-out;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.cart-item {
  transition: var(--transition-base);
}

.cart-item:hover {
  background-color: var(--bg-gray-50);
  transform: translateY(-1px);
}

.quantity-control {
  transition: var(--transition-fast);
}

.quantity-control:hover {
  background-color: var(--primary-blue);
  color: var(--text-white);
}

.remove-item {
  transition: var(--transition-fast);
}

.remove-item:hover {
  transform: scale(1.05);
}

/* 제품 카드 호버 효과 */
.product-card {
  transition: var(--transition-base);
  will-change: transform;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* 선택 텍스트 스타일 */
::selection {
  background-color: var(--primary-blue);
  color: var(--text-white);
}

::-moz-selection {
  background-color: var(--primary-blue);
  color: var(--text-white);
}

/* 포커스 아웃라인 */
*:focus {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

/* 접근성 개선 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 뉴스 카드 스타일 */
.news-card {
  cursor: pointer;
  overflow: hidden;
  border-radius: 1rem;
  box-shadow: var(--shadow-base);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  will-change: transform;
}

.news-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-lg);
}

.news-card img {
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  filter: brightness(1.05) contrast(1.02);
  will-change: transform;
}

.news-card:hover img {
  transform: scale(1.08);
  filter: brightness(1.1) contrast(1.05);
}

.news-card .overlay-content {
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.8) 0%,
    rgba(0, 0, 0, 0.4) 50%,
    transparent 100%
  );
  backdrop-filter: blur(2px);
}

/* 뉴스 페이지 특별 효과 */
.news-banner-grid {
  perspective: 1000px;
}

.news-banner-grid .news-card {
  transform-style: preserve-3d;
}

.news-banner-grid .news-card:nth-child(1) {
  animation-delay: 0.2s;
}

.news-banner-grid .news-card:nth-child(2) {
  animation-delay: 0.4s;
}

.news-banner-grid .news-card:nth-child(3) {
  animation-delay: 0.6s;
}

/* 반응형 뉴스 카드 */
@media (max-width: 768px) {
  .news-card {
    margin-bottom: 1rem;
  }

  .news-card:hover {
    transform: translateY(-4px) scale(1.01);
  }
}

@media (max-width: 480px) {
  .news-card {
    border-radius: 0.75rem;
  }

  .news-card .overlay-content h3 {
    font-size: 1.125rem;
  }

  .news-card .overlay-content p {
    font-size: 0.75rem;
  }
}

/* 뉴스 페이지 특별 애니메이션 */
@keyframes newsCardFloat {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-5px);
  }
}

.news-card.floating {
  animation: newsCardFloat 3s ease-in-out infinite;
}

.news-card:nth-child(1).floating {
  animation-delay: 0s;
}

.news-card:nth-child(2).floating {
  animation-delay: 1s;
}

.news-card:nth-child(3).floating {
  animation-delay: 2s;
}

/* 특별한 그라데이션 효과 */
.news-featured-section {
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.1) 0%,
    rgba(99, 102, 241, 0.1) 100%
  );
  position: relative;
  overflow: hidden;
}

.news-featured-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%239C92AC" fill-opacity="0.03"><circle cx="30" cy="30" r="2"/></g></g></svg>');
  opacity: 0.5;
  pointer-events: none;
}

/* 인쇄 스타일 */
@media print {
  .no-print {
    display: none !important;
  }

  body {
    color: black;
    background: white;
  }

  .news-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}

/* 히어로 섹션 클릭 가능 스타일 */
.hero-section {
  cursor: pointer;
  transition: all 0.3s ease;
}

.hero-section:hover {
  transform: scale(1.01);
}

.hero-section:active {
  transform: scale(0.99);
}

/* 히어로 섹션 내 콘텐츠는 클릭 이벤트 방지 */
.hero-section .hero-content {
  pointer-events: none;
}

/* 히어로 섹션 내 버튼은 클릭 가능하도록 */
.hero-section a,
.hero-section button {
  pointer-events: auto;
}

/* Active menu item styles */
.nav-link.active,
.nav-link[data-page].active {
  background: rgba(255, 255, 255, 0.95) !important;
  color: #1e40af !important;
  border: 2px solid #3b82f6 !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3) !important;
  backdrop-filter: blur(10px) !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1) !important;
}

/* 히어로 섹션 배경이 보이는 상태(투명한 헤더)에서의 활성화 메뉴 스타일 */
#header:not(.scrolled) .nav-link.active,
#header:not(.scrolled) .nav-link[data-page].active,
body #header:not(.scrolled) .nav-link.active,
body #header:not(.scrolled) .nav-link[data-page].active {
  background: rgba(255, 255, 255, 0.95) !important !important !important;
  color: #ea580c !important !important !important; /* 밝은 오렌지색 */
  border: 2px solid #f97316 !important !important !important; /* 오렌지색 테두리 */
  font-weight: 700 !important !important !important;
  box-shadow: 0 4px 12px rgba(234, 88, 12, 0.4) !important !important !important; /* 오렌지색 그림자 */
  backdrop-filter: blur(10px) !important !important !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2) !important !important !important;
}

/* Mobile menu active styles */
#mobile-menu a[data-page].active {
  background: rgba(255, 255, 255, 0.95) !important;
  color: #1e40af !important;
  font-weight: 700 !important;
  border-left: 4px solid #3b82f6 !important;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2) !important;
  backdrop-filter: blur(10px) !important;
}

/* 히어로 섹션 배경이 보이는 상태에서의 모바일 메뉴 활성화 스타일 */
#header:not(.scrolled) #mobile-menu a[data-page].active,
body #header:not(.scrolled) #mobile-menu a[data-page].active {
  background: rgba(255, 255, 255, 0.95) !important;
  color: #ea580c !important; /* 밝은 오렌지색 */
  border-left: 4px solid #f97316 !important; /* 오렌지색 보더 */
  font-weight: 700 !important;
  box-shadow: 0 2px 8px rgba(234, 88, 12, 0.3) !important; /* 오렌지색 그림자 */
  backdrop-filter: blur(10px) !important;
}

/* Contact button active state */
a[data-page="contact"].active {
  background: linear-gradient(135deg, #1e40af, #7c3aed) !important;
  transform: scale(1.05) !important;
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.6) !important;
  border: 2px solid #ffffff !important;
  color: #ffffff !important;
  font-weight: 700 !important;
}

/* 히어로 섹션 배경이 보이는 상태에서의 Contact 버튼 활성화 스타일 */
#header:not(.scrolled) a[data-page="contact"].active,
body #header:not(.scrolled) a[data-page="contact"].active {
  background: linear-gradient(
    135deg,
    #ea580c,
    #f97316
  ) !important; /* 오렌지 그라데이션 */
  transform: scale(1.05) !important;
  box-shadow: 0 8px 25px rgba(234, 88, 12, 0.6) !important; /* 오렌지색 그림자 */
  border: 2px solid #ffffff !important;
  color: #ffffff !important;
  font-weight: 700 !important;
}