/* 
   引導式設計顧問 (Design Advisor - Guided) 優化實作
   主色: #FFEDC7 (奶油米黃)
   字體: Noto Sans TC (簡約黑體)
*/

:root {
  /* 1. 顏色配置 (Color System) */
  --color-primary: #FFEDC7;        /* 主色：奶油米黃 */
  --color-primary-light: #FFF8E7;  /* 淺色版：背景/Hover */
  --color-primary-dark: #E5C384;   /* 深色版：文字/Active */
  
  --color-accent: #D48C2B;         /* 強調色：溫暖橘棕 */
  --color-secondary: #BDC3C7;      /* 次要按鈕灰色系 */
  
  --text-main: #2C3E50;            /* 主要文字：深藍灰 */
  --text-muted: #7F8C8D;           /* 次要文字：灰色 */
  
  /* 語意色彩 (Semantic Colors) */
  --color-success: #2ecc71;        /* 成功綠 */
  --color-error: #e74c3c;          /* 錯誤紅 */
  --color-warning: #f1c40f;        /* 警告黃 */

  /* 2. 字體設定 (Typography) */
  --font-main: 'Noto Sans TC', sans-serif;
  --font-code: 'JetBrains Mono', monospace;
  
  /* 間距與層級 */
  --line-height: 1.7;
  --border-radius: 16px;           /* 統一圓角 */
  --transition-speed: 0.2s;        /* 微動畫速度 */
  --section-padding: 60px 20px;
}

/* 基礎重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-primary-light);
  color: var(--text-main);
  line-height: var(--line-height);
  overflow-x: hidden;
}

/* 3. 圖示規範 (Icons) - 確保圖示有語意化的間距 */
i.fa-solid {
  margin-right: 8px;
  color: var(--color-accent);
}

/* 4. 響應式佈局 (Responsive Design) - 手機優先 */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 5. 視覺一致性 (Visual Consistency) */
.glass-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--border-radius);
  padding: 30px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
  transition: var(--transition-speed) ease;
}

.glass-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

/* 按鈕樣式 */
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  background-color: var(--color-primary);
  color: var(--text-main);
  text-decoration: none;
  font-weight: 700;
  border-radius: 50px;
  border: 2px solid var(--color-primary-dark);
  cursor: pointer;
  transition: var(--transition-speed) ease;
}

.cta-button:hover {
  background-color: var(--color-primary-dark);
  transform: scale(1.05);
}

/* 導覽列 */
.main-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 237, 199, 0.85);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: 2px solid var(--color-primary-dark);
  padding: 5px 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: var(--transition-speed);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-img {
  height: 85px; 
  width: auto;
  transition: var(--transition-speed) ease;
  cursor: pointer;
}

.logo-img:hover {
  transform: scale(1.05);
}

.desktop-nav {
  display: flex;
  gap: 35px;
}

.desktop-nav a {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 1px;
  position: relative;
  transition: var(--transition-speed);
}

.desktop-nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: var(--transition-speed);
}

.desktop-nav a:hover {
  color: var(--color-accent);
}

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

/* 英雄區塊 */
.hero {
  padding: 100px 20px;
  text-align: center;
  background: radial-gradient(circle at center, var(--color-primary) 0%, transparent 80%);
}

.hero h1 {
  font-size: clamp(2rem, 8vw, 4rem);
  margin: 20px 0;
  color: var(--color-accent);
}

.subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 30px;
}

.hero-banner-wrapper {
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 5px solid var(--color-primary);
}

.hero-banner-img {
  width: 100%;
  display: block;
}

/* 服務項目 */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 40px 0;
}

.service-card h3 {
  margin: 15px 0;
  color: var(--color-accent);
}

/* 關於我們 */
.about-flex {
  display: flex;
  flex-direction: column;
  gap: 30px;
  padding: 40px 0;
}

.about-image-wrapper {
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 5px solid var(--color-primary);
}

.about-image {
  width: 100%;
  display: block;
}

.peggy-quote {
  font-style: italic;
  border-left: 5px solid var(--color-accent);
  padding-left: 20px;
  margin: 20px 0;
  color: var(--color-accent);
}

/* 專業團隊 */
.team-flex {
  display: flex;
  flex-direction: column;
  gap: 30px;
  padding: 40px 0;
}

.team-image-wrapper {
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 5px solid var(--color-primary);
}

.team-image {
  width: 100%;
  display: block;
}

/* 聯繫資訊 */
.info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 30px;
}

/* 斷點設定：針對平板（768px）和桌面（1200px）進行優化 */
@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-flex, .team-flex {
    flex-direction: row;
    align-items: center;
  }
  .about-text, .team-text {
    flex: 1;
  }
  .about-image-wrapper, .team-image-wrapper {
    flex: 1;
  }
  .info-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  :root {
    --section-padding: 80px 40px;
  }
}

@media (min-width: 1200px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  :root {
    --section-padding: 100px 60px;
  }
  .logo-img {
    height: 100px; 
  }
}

/* 漸現動畫 */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: 0.6s ease-out;
}

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