/* =====================================================
   CNstudio Main Stylesheet - Apple 風格設計
   ===================================================== */

/* --- 基礎設定 --- */
:root {
  --color-primary: #1d1d1f;
  --color-secondary: #6e6e73;
  --color-accent: #0071e3;
  --color-accent-hover: #0077ed;
  --color-bg: #fbfbfd;
  --color-white: #ffffff;
  --color-border: #d2d2d7;
  --color-card-bg: #ffffff;
  --color-nav-bg: rgba(255, 255, 255, 0.85);
  --color-hero-bg: #000000;
  --font-system: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", "Segoe UI", sans-serif;
  --radius-card: 18px;
  --radius-btn: 980px;
  --shadow-card: 0 2px 20px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --nav-height: 52px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-system);
  background-color: var(--color-bg);
  color: var(--color-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- 導覽列 (毛玻璃效果) --- */
.navbar-glass {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-nav-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  z-index: 1000;
}

.navbar-glass .navbar-brand {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

.navbar-glass .nav-link {
  font-size: 0.82rem;
  color: var(--color-primary);
  font-weight: 400;
  padding: 0.3rem 0.6rem;
  transition: var(--transition);
  opacity: 0.85;
}

.navbar-glass .nav-link:hover,
.navbar-glass .nav-link.active {
  opacity: 1;
  color: var(--color-accent);
}

.navbar-glass .dropdown-menu {
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.95);
  padding: 8px;
  font-size: 0.85rem;
}

.navbar-glass .dropdown-item {
  border-radius: 8px;
  padding: 0.4rem 0.8rem;
  color: var(--color-primary);
  transition: var(--transition);
}

.navbar-glass .dropdown-item:hover {
  background-color: rgba(0, 113, 227, 0.08);
  color: var(--color-accent);
}

/* 內容上推避免被固定導覽列遮擋 */
.main-content {
  padding-top: calc(var(--nav-height) + 1px);
}

/* --- Hero 區塊 --- */
.hero-section {
  background: var(--color-hero-bg);
  color: var(--color-white);
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(0, 113, 227, 0.3) 0%, transparent 70%);
  pointer-events: none;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.2rem;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.75);
  max-width: 580px;
  margin: 0 auto 2rem;
}

/* --- 按鈕 --- */
.btn-apple {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-btn);
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}

.btn-apple-primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.btn-apple-primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(0, 113, 227, 0.35);
}

.btn-apple-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}

.btn-apple-outline:hover {
  background: rgba(0, 113, 227, 0.05);
  color: var(--color-accent);
  transform: translateY(-1px);
}

/* --- 區塊標題 --- */
.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
}

.section-desc {
  font-size: 1rem;
  color: var(--color-secondary);
  max-width: 560px;
}

/* --- 作品集 Grid --- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.portfolio-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  cursor: pointer;
}

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

.portfolio-card .card-img-wrap {
  width: 100%;
  aspect-ratio: 6 / 5;
  overflow: hidden;
  background: #f5f5f7;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-card .card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.portfolio-card:hover .card-img-wrap img {
  transform: scale(1.04);
}

.portfolio-card .card-body {
  padding: 1rem 1.2rem 1.1rem;
}

.portfolio-card .card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.3rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.portfolio-card .card-tags {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.portfolio-card .tag {
  font-size: 0.7rem;
  color: var(--color-secondary);
  background: #f5f5f7;
  padding: 0.15rem 0.5rem;
  border-radius: 980px;
}

/* Coming Soon 佔位卡片 */
.coming-soon-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-card);
  border: 2px dashed var(--color-border);
  min-height: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--color-secondary);
  text-align: center;
  padding: 2rem;
}

.coming-soon-card .coming-soon-icon {
  font-size: 2.5rem;
  opacity: 0.4;
}

.coming-soon-card h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0;
}

.coming-soon-card p {
  font-size: 0.875rem;
  margin: 0;
}

/* --- 服務卡片 --- */
.service-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-card);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-card);
  height: 100%;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.service-card .service-icon {
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.service-card p {
  font-size: 0.875rem;
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

.service-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.service-card ul li {
  font-size: 0.8rem;
  color: var(--color-secondary);
  padding: 0.2rem 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.service-card ul li::before {
  content: "✓";
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.75rem;
}

/* --- 最新消息 --- */
.news-item {
  display: flex;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
  align-items: flex-start;
  transition: var(--transition);
}

.news-item:last-child {
  border-bottom: none;
}

.news-item:hover {
  background: rgba(0,0,0,0.01);
}

.news-date {
  font-size: 0.78rem;
  color: var(--color-secondary);
  white-space: nowrap;
  min-width: 90px;
  padding-top: 0.15rem;
}

.news-category-badge {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 980px;
  background: rgba(0, 113, 227, 0.1);
  color: var(--color-accent);
  font-weight: 500;
  white-space: nowrap;
}

.news-title a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

.news-title a:hover {
  color: var(--color-accent);
}

.news-summary {
  font-size: 0.83rem;
  color: var(--color-secondary);
  margin-top: 0.25rem;
  margin-bottom: 0;
}

/* --- 企業方案卡片 --- */
.plan-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-card);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  text-align: center;
  height: 100%;
  transition: var(--transition);
  border: 2px solid transparent;
}

.plan-card.featured {
  border-color: var(--color-accent);
}

.plan-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.plan-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.plan-card .price {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-accent);
  margin: 0.75rem 0 1rem;
}

.plan-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  text-align: left;
}

.plan-card ul li {
  font-size: 0.875rem;
  color: var(--color-secondary);
  padding: 0.3rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.plan-card ul li::before {
  content: "✓";
  color: var(--color-accent);
  font-weight: 700;
}

/* --- 聯絡表單 --- */
.contact-form-wrap {
  background: var(--color-card-bg);
  border-radius: var(--radius-card);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}

.contact-form-wrap .form-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 0.3rem;
}

.contact-form-wrap .form-control {
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  padding: 0.65rem 0.9rem;
  font-size: 0.9rem;
  font-family: var(--font-system);
  background: var(--color-bg);
  color: var(--color-primary);
  transition: var(--transition);
}

.contact-form-wrap .form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.15);
  background: var(--color-white);
  outline: none;
}

.contact-form-wrap textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

/* --- 網站地圖 --- */
.sitemap-category {
  margin-bottom: 2rem;
}

.sitemap-category h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--color-border);
}

.sitemap-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.sitemap-links a {
  font-size: 0.875rem;
  color: var(--color-secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition);
}

.sitemap-links a:hover {
  color: var(--color-accent);
}

.sitemap-links a::before {
  content: "→";
  font-size: 0.75rem;
  color: var(--color-accent);
}

/* --- 分類過濾 Tab --- */
.category-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.category-tab {
  padding: 0.4rem 1rem;
  border-radius: var(--radius-btn);
  font-size: 0.85rem;
  font-weight: 500;
  border: 1.5px solid var(--color-border);
  background: transparent;
  color: var(--color-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.category-tab:hover,
.category-tab.active {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(0, 113, 227, 0.06);
}

/* --- Footer --- */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.6);
  padding: 3rem 0 2rem;
  margin-top: 5rem;
}

.site-footer .footer-brand {
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0.5rem;
}

.site-footer .footer-desc {
  font-size: 0.8rem;
  line-height: 1.7;
}

.site-footer .footer-links a {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  display: block;
  padding: 0.2rem 0;
  transition: var(--transition);
}

.site-footer .footer-links a:hover {
  color: rgba(255, 255, 255, 0.9);
}

.site-footer .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 2rem;
  padding-top: 1.5rem;
  font-size: 0.75rem;
  text-align: center;
}

.site-footer .footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
}

.site-footer .footer-bottom a:hover {
  color: rgba(255, 255, 255, 0.8);
}

/* --- 通用工具 --- */
.section-spacing {
  padding: 80px 0;
}

.section-spacing-sm {
  padding: 50px 0;
}

.text-secondary-apple {
  color: var(--color-secondary);
}

/* --- 響應式 --- */
@media (max-width: 768px) {
  .hero-section {
    padding: 70px 0 60px;
  }

  .portfolio-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.85rem;
  }

  .contact-form-wrap {
    padding: 1.5rem;
  }

  .news-item {
    flex-direction: column;
    gap: 0.5rem;
  }

  .section-spacing {
    padding: 50px 0;
  }

  .category-tabs {
    gap: 0.4rem;
  }

  .category-tab {
    font-size: 0.8rem;
    padding: 0.35rem 0.8rem;
  }
}

@media (max-width: 480px) {
  .portfolio-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* --- 頁面載入動畫 --- */
.fade-enter {
  animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =====================================================
   時間感知主題（由 JS 每分鐘注入 :root 變數）
   ===================================================== */
:root {
  --time-hero-overlay: rgba(0, 113, 227, 0.25);
  --time-accent-glow:  0 4px 20px rgba(0, 113, 227, 0.2);
}

/* Hero 時間色調 overlay */
.hero-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, var(--time-hero-overlay) 0%, transparent 70%);
  pointer-events: none;
  transition: background 2s ease;
}
.hero-section { position: relative; }

/* 清晨 — 暖橙 */
body.time-dawn .hero-section  { background: linear-gradient(135deg, #1a0500 0%, #2d1000 100%); }
/* 上午 — 深藍清新 */
body.time-morning .hero-section { background: linear-gradient(135deg, #001020 0%, #002040 100%); }
/* 下午 — 標準黑（不變） */
/* 黃昏 — 琥珀 */
body.time-dusk .hero-section  { background: linear-gradient(135deg, #1a0800 0%, #2d1500 100%); }
/* 夜晚 — 深靛 */
body.time-night .hero-section { background: linear-gradient(135deg, #050510 0%, #0a0a20 100%); }

/* 精選作品區塊替代背景（語言主題可覆蓋） */
.section-alt-bg { background: #f5f5f7; }

/* =====================================================
   語言主題：en — Modern Dark SaaS (Vercel/Stripe)
   ===================================================== */
body.lang-en {
  --color-primary:      rgba(255,255,255,0.9);
  --color-secondary:    rgba(255,255,255,0.45);
  --color-accent:       #6366f1;
  --color-accent-hover: #7c3aed;
  --color-bg:           #09090b;
  --color-white:        #ffffff;
  --color-border:       rgba(255,255,255,0.1);
  --color-nav-bg:       rgba(9,9,11,0.88);
  --color-hero-bg:      #09090b;
  --radius-card:        12px;
  --radius-btn:         8px;
  --shadow-card:        0 0 0 1px rgba(255,255,255,0.07), 0 4px 24px rgba(0,0,0,0.5);
  --shadow-hover:       0 0 0 1px rgba(99,102,241,0.4), 0 8px 32px rgba(99,102,241,0.18);
  background-color: var(--color-bg);
  color: rgba(255,255,255,0.87);
  font-family: "Inter", "SF Pro Text", -apple-system, sans-serif;
}

body.lang-en .navbar-glass {
  background: var(--color-nav-bg);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
body.lang-en .navbar-glass .navbar-brand,
body.lang-en .navbar-glass .nav-link { color: rgba(255,255,255,0.87); }
body.lang-en .navbar-glass .nav-link:hover { color: #a5b4fc; }
body.lang-en .navbar-glass .dropdown-menu {
  background: #111116;
  border: 1px solid rgba(255,255,255,0.1);
}
body.lang-en .navbar-glass .dropdown-item { color: rgba(255,255,255,0.75); }
body.lang-en .navbar-glass .dropdown-item:hover { background: rgba(255,255,255,0.06); color: #fff; }

body.lang-en .hero-section {
  background: linear-gradient(135deg, #09090b 0%, #0f0f1a 50%, #0a0a18 100%);
}
body.lang-en .hero-section::after {
  background: radial-gradient(ellipse at 30% 50%, rgba(99,102,241,0.3) 0%,
              rgba(124,58,237,0.15) 40%, transparent 70%);
}
body.lang-en .section-alt-bg { background: rgba(255,255,255,0.025); }
body.lang-en .section-title  { color: rgba(255,255,255,0.92); }
body.lang-en .section-eyebrow { color: #a5b4fc; }
body.lang-en .text-secondary-apple { color: rgba(255,255,255,0.5); }

body.lang-en .btn-apple-primary {
  background: linear-gradient(135deg, #6366f1, #7c3aed);
  border-radius: var(--radius-btn);
}
body.lang-en .btn-apple-primary:hover {
  background: linear-gradient(135deg, #7c3aed, #8b5cf6);
  box-shadow: 0 4px 20px rgba(99,102,241,0.45);
}
body.lang-en .btn-apple-outline {
  border-radius: var(--radius-btn);
  border-color: rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.75);
}
body.lang-en .btn-apple-outline:hover {
  background: rgba(255,255,255,0.06);
  color: #fff;
}

body.lang-en .portfolio-card,
body.lang-en .service-card,
body.lang-en .plan-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}
body.lang-en .portfolio-card:hover,
body.lang-en .service-card:hover { box-shadow: var(--shadow-hover); }
body.lang-en .portfolio-card .card-title,
body.lang-en .service-card h3,
body.lang-en .plan-card h3 { color: rgba(255,255,255,0.9); }
body.lang-en .portfolio-card .tag {
  background: rgba(99,102,241,0.15);
  color: #a5b4fc;
}

body.lang-en .bg-white { background: rgba(255,255,255,0.04) !important; }
body.lang-en .news-title a { color: rgba(255,255,255,0.85); }
body.lang-en .news-summary { color: rgba(255,255,255,0.5); }
body.lang-en .news-date { color: rgba(255,255,255,0.4); }
body.lang-en .news-category-badge { background: rgba(99,102,241,0.15); color: #a5b4fc; }

body.lang-en .category-tab { color: rgba(255,255,255,0.6); border-color: rgba(255,255,255,0.15); }
body.lang-en .category-tab.active { border-color: #6366f1; color: #a5b4fc; background: rgba(99,102,241,0.12); }

body.lang-en .site-footer { background: #050507; border-top: 1px solid rgba(255,255,255,0.06); }

body.lang-en .coming-soon-card { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.1); color: rgba(255,255,255,0.7); }
body.lang-en .contact-maintenance-box { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.12); }
body.lang-en .contact-maintenance-title { color: rgba(255,255,255,0.9); }
body.lang-en .contact-maintenance-msg { color: rgba(255,255,255,0.5); }
body.lang-en .contact-direct-box { background: rgba(255,255,255,0.04) !important; }

body.lang-en .sitemap-category h3 { color: rgba(255,255,255,0.8); }
body.lang-en .sitemap-links a { color: rgba(255,255,255,0.55); }
body.lang-en .sitemap-links a:hover { color: #a5b4fc; }

/* =====================================================
   語言主題：ja — 日式美學 (Sony/Muji)
   ===================================================== */
body.lang-ja {
  --color-primary:      #1a1a2e;
  --color-secondary:    #8a8a9a;
  --color-accent:       #2d3a8c;
  --color-accent-hover: #e84747;
  --color-bg:           #fafafa;
  --color-border:       #e0e0e8;
  --color-nav-bg:       rgba(250,250,250,0.94);
  --radius-card:        4px;
  --radius-btn:         3px;
  --shadow-card:        0 1px 3px rgba(0,0,0,0.07), 0 1px 0 rgba(0,0,0,0.04);
  --shadow-hover:       0 4px 18px rgba(45,58,140,0.14);
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", "Meiryo", -apple-system, sans-serif;
  line-height: 1.9;
  letter-spacing: 0.02em;
  background-color: var(--color-bg);
}

body.lang-ja .section-eyebrow { color: #e84747; letter-spacing: 0.12em; }

body.lang-ja .btn-apple-primary {
  background: var(--color-accent);
  border-radius: var(--radius-btn);
}
body.lang-ja .btn-apple-primary:hover {
  background: #e84747;
  box-shadow: 0 2px 12px rgba(232,71,71,0.3);
}
body.lang-ja .btn-apple-outline {
  border-color: var(--color-accent);
  color: var(--color-accent);
  border-radius: var(--radius-btn);
}
body.lang-ja .btn-apple-outline:hover { background: rgba(45,58,140,0.06); }

body.lang-ja .portfolio-card,
body.lang-ja .service-card,
body.lang-ja .plan-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}
body.lang-ja .category-tab.active { border-color: #e84747; color: #e84747; background: rgba(232,71,71,0.05); }
body.lang-ja .news-category-badge { background: rgba(45,58,140,0.08); color: var(--color-accent); }

body.lang-ja .hero-section::after {
  background: radial-gradient(ellipse at 80% 20%, rgba(232,71,71,0.22) 0%,
              rgba(45,58,140,0.18) 50%, transparent 70%);
}

/* =====================================================
   語言主題：ko — K-style 現代風 (Kakao)
   ===================================================== */
body.lang-ko {
  --color-primary:      #141414;
  --color-secondary:    #767676;
  --color-accent:       #ff2d78;
  --color-accent-hover: #c800ff;
  --color-bg:           #ffffff;
  --color-border:       #ebebeb;
  --color-nav-bg:       rgba(255,255,255,0.96);
  --radius-card:        16px;
  --radius-btn:         24px;
  --shadow-card:        0 4px 24px rgba(0,0,0,0.08);
  --shadow-hover:       0 8px 40px rgba(255,45,120,0.22);
  font-family: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", -apple-system, sans-serif;
  letter-spacing: -0.01em;
  background-color: var(--color-bg);
}

body.lang-ko .section-eyebrow { color: var(--color-accent); font-weight: 700; }
body.lang-ko .section-title   { font-weight: 800; letter-spacing: -0.03em; }
body.lang-ko .hero-title      { font-weight: 800; letter-spacing: -0.04em; }

body.lang-ko .hero-section {
  background: linear-gradient(135deg, #0a0010 0%, #1a0030 50%, #0d0020 100%);
}
body.lang-ko .hero-section::after {
  background: radial-gradient(ellipse at 60% 30%,
    rgba(255,45,120,0.38) 0%, rgba(200,0,255,0.22) 40%, transparent 70%);
}

body.lang-ko .btn-apple-primary {
  background: linear-gradient(135deg, #ff2d78, #c800ff);
  font-weight: 700;
  border-radius: var(--radius-btn);
}
body.lang-ko .btn-apple-primary:hover {
  background: linear-gradient(135deg, #ff5599, #dd00ff);
  box-shadow: 0 4px 20px rgba(255,45,120,0.48);
}
body.lang-ko .btn-apple-outline {
  border-color: var(--color-accent);
  color: var(--color-accent);
  border-radius: var(--radius-btn);
}
body.lang-ko .btn-apple-outline:hover { background: rgba(255,45,120,0.06); }

body.lang-ko .portfolio-card:hover,
body.lang-ko .service-card:hover { box-shadow: var(--shadow-hover); }
body.lang-ko .category-tab.active { border-color: var(--color-accent); color: var(--color-accent); background: rgba(255,45,120,0.07); }
body.lang-ko .news-category-badge { background: rgba(255,45,120,0.1); color: var(--color-accent); }
body.lang-ko .site-footer { background: #0a0010; }

/* =====================================================
   天氣 Widget
   ===================================================== */
.weather-widget {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  font-size: 0.8rem;
  color: var(--color-secondary);
  padding: 0.22rem 0.55rem;
  border-radius: 980px;
  background: rgba(0,0,0,0.05);
  white-space: nowrap;
  line-height: 1;
}
.weather-widget i {
  font-size: 0.95rem;
  color: var(--color-accent);
}
body.lang-en .weather-widget {
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.55);
}
body.lang-en .weather-widget i { color: #a5b4fc; }

/* =====================================================
   語言切換器
   ===================================================== */
.nav-lang-toggle {
  font-size: 0.75rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.02em;
  padding: 0.25rem 0.55rem !important;
}
.lang-dropdown { min-width: 148px !important; padding: 5px !important; }
.lang-item {
  display: flex !important;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.83rem !important;
  padding: 0.4rem 0.75rem !important;
}
.lang-item.active {
  background: rgba(0,113,227,0.08) !important;
  color: var(--color-accent) !important;
  font-weight: 600;
}
body.lang-en .lang-item.active { background: rgba(99,102,241,0.12) !important; color: #a5b4fc !important; }
.lang-flag { font-size: 1rem; line-height: 1; }

/* =====================================================
   導覽列聯絡按鈕
   ===================================================== */
.nav-contact-btn {
  font-size: 0.8rem;
  padding: 0.38rem 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.nav-maintenance-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: #ff9500;
  border-radius: 50%;
  flex-shrink: 0;
  animation: maintenance-pulse 2s infinite;
}
@keyframes maintenance-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.45; transform: scale(0.8); }
}

/* =====================================================
   聯絡我們：維護提示框
   ===================================================== */
.contact-maintenance-box {
  background: #fff;
  border-radius: var(--radius-card);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-card);
  text-align: center;
  border: 2px dashed var(--color-border);
}
.contact-maintenance-icon {
  font-size: 3rem;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
  opacity: 0.75;
}
.contact-maintenance-title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin-bottom: 1rem;
}
.contact-maintenance-msg {
  font-size: 1rem;
  color: var(--color-secondary);
  max-width: 480px;
  margin: 0 auto 1.25rem;
  line-height: 1.75;
}
.contact-maintenance-email-label {
  font-size: 0.85rem;
  color: var(--color-secondary);
  margin-bottom: 0.4rem;
}
.contact-maintenance-email {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}
.contact-maintenance-email:hover { border-bottom-color: var(--color-accent); }
.contact-direct-box { background: #f5f5f7 !important; }

@media (max-width: 768px) {
  .nav-weather-item { display: none; }
  .contact-maintenance-box { padding: 2rem 1.25rem; }
}