/*
 * 小狼溫室 - 設計系統與主樣式表
 * Little Wolf Greenhouse - Design System & Main Stylesheet
 */

/* ====================================
   CSS 變數 (Design Tokens)
   ==================================== */
:root {
  /* 色彩系統 */
  --color-primary: #4A7C59;
  /* 草本綠 */
  --color-primary-dark: #3A6347;
  --color-primary-light: #5A9C6A;
  --color-secondary: #E63946;
  /* 小番茄紅 */
  --color-secondary-light: #FF5A67;
  --color-background: #FDF8F3;
  /* 溫暖米白 */
  --color-background-alt: #F5EDE4;
  --color-accent: #F4A261;
  /* 暖橙 */
  --color-text: #2D3436;
  /* 深灰 */
  --color-text-light: #636E72;
  --color-white: #FFFFFF;

  /* 字體 */
  --font-family: 'Noto Sans TC', 'Segoe UI', sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  /* 間距 */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 5rem;

  /* 圓角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50%;

  /* 陰影 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);

  /* 過渡 */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ====================================
   基礎重置與排版
   ==================================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.3;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ====================================
   Hero Section
   ==================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__background {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero__background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(2px);
  transform: scale(1.1);
  transition: transform 0.1s linear;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
      rgba(253, 248, 243, 0.3) 0%,
      rgba(253, 248, 243, 0.7) 50%,
      rgba(253, 248, 243, 0.95) 100%);
  z-index: -1;
}

.hero__content {
  text-align: center;
  padding: var(--spacing-lg);
  max-width: 800px;
  animation: fadeInUp 1s ease forwards;
}

.hero__mascot {
  width: 200px;
  height: 200px;
  margin: 0 auto var(--spacing-lg);
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 5px solid var(--color-white);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal);
}

.hero__mascot:hover {
  transform: scale(1.05) rotate(3deg);
}

.hero__mascot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__title {
  font-size: clamp(1.8rem, 5vw, 3rem);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.8);
}

.hero__title span {
  color: var(--color-secondary);
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--color-text-light);
  font-weight: var(--font-weight-medium);
  max-width: 600px;
  margin: 0 auto;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.hero__scroll-hint svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-primary);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  40% {
    transform: translateX(-50%) translateY(-15px);
  }

  60% {
    transform: translateX(-50%) translateY(-8px);
  }
}

/* ====================================
   Features Section
   ==================================== */
.features {
  padding: var(--spacing-xxl) var(--spacing-lg);
  background: linear-gradient(180deg, var(--color-background) 0%, var(--color-background-alt) 100%);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header__title {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--color-primary);
  position: relative;
  display: inline-block;
}

.section-header__title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
  border-radius: 2px;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-normal);
  cursor: default;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  background: rgba(255, 255, 255, 0.9);
}

.feature-card__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  border-radius: var(--radius-full);
  color: var(--color-white);
}

.feature-card__icon--award {
  background: linear-gradient(135deg, #FFD700, #FFA500);
}

.feature-card__icon--sales {
  background: linear-gradient(135deg, var(--color-secondary-light), var(--color-secondary));
}

.feature-card__icon--delivery {
  background: linear-gradient(135deg, #2D3436, #636E72);
}

.feature-card__icon--qr {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
}

.feature-card__icon--tomato {
  background: linear-gradient(135deg, var(--color-secondary-light), var(--color-secondary));
}

.feature-card__icon--sweetness {
  background: linear-gradient(135deg, var(--color-accent), #E07B4F);
}

.feature-card__image {
  width: 100%;
  height: 150px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--spacing-md);
}

.feature-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.feature-card:hover .feature-card__image img {
  transform: scale(1.05);
}

.feature-card__title {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.feature-card__highlight {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
  margin-bottom: var(--spacing-xs);
}

.feature-card__description {
  color: var(--color-text-light);
  font-size: 0.95rem;
}

.feature-card__qr {
  width: 140px;
  /* 可以稍微調大一點 */
  height: auto;
  /* 改為 auto 讓比例自適應 */
  margin: var(--spacing-sm) auto;
  padding: 8px;
  background: var(--color-white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.feature-card__qr img {
  width: 100%;
  height: auto;
  /* 確保圖片維持原始比例 */
}

/* ====================================
   Order Section
   ==================================== */
.order {
  padding: var(--spacing-xxl) var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  position: relative;
  overflow: hidden;
}

.order::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.order__container {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.order__header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--color-white);
}

.order__title {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  margin-bottom: var(--spacing-sm);
}

.order__subtitle {
  font-size: 1rem;
  opacity: 0.9;
}

.order-form {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.form-group label .required {
  color: var(--color-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid #E0E0E0;
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: 1rem;
  transition: all var(--transition-fast);
  background: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(74, 124, 89, 0.15);
}

.form-group input::placeholder {
  color: #BDBDBD;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.submit-btn {
  width: 100%;
  padding: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 1.1rem;
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.submit-btn::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 0.5s;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(230, 57, 70, 0.4);
}

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

.submit-btn:active {
  transform: translateY(0);
}

/* ====================================
   Footer
   ==================================== */
.footer {
  background: var(--color-text);
  color: var(--color-white);
  padding: var(--spacing-lg);
  text-align: center;
}

.footer__text {
  opacity: 0.8;
  font-size: 0.9rem;
}

.footer__heart {
  color: var(--color-secondary);
}

/* ====================================
   響應式設計
   ==================================== */
@media (max-width: 768px) {
  .hero__mascot {
    width: 150px;
    height: 150px;
  }

  .features__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .order-form {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .hero__mascot {
    width: 120px;
    height: 120px;
  }

  .feature-card {
    padding: var(--spacing-md);
  }

  .order-form {
    padding: var(--spacing-md);
  }
}

/* ====================================
   動畫效果：滾動進場
   ==================================== */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}