/* ========================================
   PAGES-BLOG.CSS
   ======================================== */


/* ===== HERO ===== */
.blog-hero {
  position: relative;
  height: 660px;
  overflow: hidden;
}

.blog-hero__bg {
  position: relative;
  width: 100%;
  height: 100%;
}

.blog-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.blog-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.6) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-inline: var(--space-6);
  padding-bottom: 80px; /* 預留卡片 overlap 空間，讓文字視覺重心稍微偏上 */
  gap: var(--space-4);
}

.blog-hero__label {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.15em;
  font-style: italic;
  margin: 0;
}

.blog-hero__title {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  font-weight: var(--fw-bold);
  color: var(--color-white);
  line-height: var(--lh-tight);
  margin: 0;
}

.blog-hero__sub {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.75);
  max-width: 560px;
  line-height: var(--lh-loose);
  margin: 0;
}


/* ===== FEATURED SECTION ===== */
.blog-featured-section {
  background-color: transparent;
  margin-top: -80px;
  position: relative;
  z-index: 1;
  padding-block: 0 var(--space-12);
}

.blog-featured {
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--space-16);
  position: relative;
}

.blog-featured__card {
  display: flex;
  background: var(--color-white);
  /* border-radius: var(--radius-md); */
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--transition-base);
}

.blog-featured__card:hover {
  box-shadow: var(--shadow-lg);
}

.blog-featured__img-wrap {
  flex: 0 0 42%;
  overflow: hidden;
}

.blog-featured__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.blog-featured__card:hover .blog-featured__img {
  transform: scale(1.04);
}

.blog-featured__content {
  flex: 1;
  padding: var(--space-12) var(--space-10);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-4);
}

.blog-featured__date {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-primary);
  letter-spacing: 0.05em;
  margin: 0;
}

.blog-featured__title {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  line-height: var(--lh-tight);
  margin: 0;
}

.blog-featured__excerpt {
  font-family: var(--font-sans);
  font-size: var(--text-md);
  color: var(--color-text-light);
  line-height: var(--lh-loose);
  margin: 0;
}

/* (3) 閱讀全文按鈕：移除 inline-block 讓 .button 的 inline-flex + justify-content:center 生效 */
.blog-featured__btn {
  align-self: flex-start;
  margin-top: var(--space-2);
}

/* 精選文章小標籤 */
.blog-featured__label {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  letter-spacing: 0.1em;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  padding: 3px var(--space-3);
  margin: 0 0 var(--space-4);
}


/* ===== ARTICLES SECTION ===== */
.blog-articles-section {
  padding-block: var(--space-12) var(--space-20);
}

/* Tabs */
.blog-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-12);
}

.blog-tab {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: var(--text-md);
  color: var(--color-text-light);
  cursor: pointer;
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.blog-tab.is-active {
  color: var(--color-primary);
  font-weight: var(--fw-semibold);
}

.blog-tab.is-active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.blog-tab:hover:not(.is-active) {
  color: var(--color-dark);
}

/* Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

/* Blog Card */
.blog-card {
  display: flex;
  flex-direction: column;
}

.blog-card__link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  height: 100%;
}

.blog-card__img-wrap {
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.blog-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.blog-card__link:hover .blog-card__img {
  transform: scale(1.04);
}

.blog-card__body {
  padding-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.blog-card__category {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.08em;
  margin: 0;
}

/* (4) 標題行距稍微加大 */
.blog-card__title {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  line-height: 1.45;
  margin: 0;
  transition: color var(--transition-fast);
}

.blog-card__link:hover .blog-card__title {
  color: var(--color-primary-dark);
}

.blog-card__excerpt {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: var(--lh-normal);
  margin: 0;
}

.blog-card__meta {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--color-text-lighter);
  margin: 0;
  margin-top: auto;
  padding-top: var(--space-3);
}

/* Load More */
.blog-load-more {
  display: flex;
  justify-content: center;
  padding-top: var(--space-4);
}

/* (2) 覆蓋 .button 的固定寬度，防止文字斷行 */
.blog-load-more .button {
  width: auto;
  white-space: nowrap;
  padding-inline: var(--space-10);
}


/* ===== NEWSLETTER ===== */
.blog-newsletter {
  background-color: var(--color-primary-Pale);
  padding-block: var(--space-20);
}

.blog-newsletter__inner {
  max-width: 560px;
  margin-inline: auto;
  text-align: center;
  padding-inline: var(--space-6);
}

.blog-newsletter__title {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: var(--fw-bold);
  color: var(--color-dark);
  margin: 0 0 var(--space-3);
}

.blog-newsletter__sub {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: var(--lh-loose);
  margin: 0 0 var(--space-6);
}

.blog-newsletter__form {
  display: flex;
  gap: var(--space-3);
}

.blog-newsletter__input {
  flex: 1;
  height: 48px;
  padding-inline: var(--space-4);
  border: 1px solid var(--color-border);
  background: var(--color-white);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-fast);
}

.blog-newsletter__input:focus {
  border-color: var(--color-primary);
}

.blog-newsletter__btn {
  height: 48px;
  padding-inline: var(--space-6);
  white-space: nowrap;
}


/* ===== RESPONSIVE ===== */

/* Tablet */
@media (max-width: 1199px) {
  .blog-hero {
    height: 520px;
  }

  .blog-hero__title {
    font-size: var(--text-3xl);
  }

  .blog-featured__content {
    padding: var(--space-8);
  }

  .blog-featured__title {
    font-size: var(--text-2xl);
  }

  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile */
@media (max-width: 767px) {
  .blog-hero {
    height: 400px;
  }

  .blog-hero__overlay {
    padding-bottom: 60px; /* 手機版 overlap 預留空間 */
  }

  .blog-hero__title {
    font-size: var(--text-2xl);
  }

  .blog-featured-section {
    margin-top: -60px; /* 手機版也 overlap hero */
    padding-block: 0 var(--space-8);
  }

  .blog-featured {
    padding-inline: var(--space-4);
  }

  .blog-featured__card {
    flex-direction: column;
  }

  .blog-featured__img-wrap {
    flex: none;
    aspect-ratio: 16 / 9;
    width: 100%;
  }

  .blog-featured__content {
    padding: var(--space-6);
  }

  .blog-featured__title {
    font-size: var(--text-xl);
  }

  .blog-tabs {
    gap: var(--space-5);
    justify-content: flex-start;
    overflow-x: auto;
    padding-inline: var(--space-4);
    scrollbar-width: none;
  }

  .blog-tabs::-webkit-scrollbar {
    display: none;
  }

  .blog-tab {
    white-space: nowrap;
  }

  .blog-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .blog-newsletter__form {
    flex-direction: column;
  }

  .blog-newsletter__input {
    flex: none;
    width: 100%;
    height: 48px;
  }

  .blog-newsletter__btn {
    width: 100%;
    height: 48px;
  }
}