/**
 * 翰華留學移民 - 元件樣式庫
 * Component Styles - 新唐風設計
 */

/* ==========================================
   導航列 (Navigation)
   ========================================== */

.site-header {
  background: var(--color-bg-elevated);
  border-bottom: var(--border-subtle);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) 0;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-primary);
  font-weight: var(--font-bold);
  transition: transform var(--duration-base) var(--ease-out);
}

.navbar-brand:hover {
  transform: scale(1.05);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
}

.navbar-link {
  position: relative;
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  padding: var(--space-2) var(--space-3);
  transition: color var(--duration-base) var(--ease-out);
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 2px;
  background: var(--gradient-primary);
  transition: transform var(--duration-base) var(--ease-out);
}

.navbar-link:hover::after,
.navbar-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* ==========================================
   模態框 (Modal)
   ========================================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  animation: modalFadeIn var(--duration-base) var(--ease-out);
}

.modal.is-active {
  display: flex;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 26, 26, 0.75);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--color-bg-elevated);
  border: var(--border-traditional);
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
  animation: modalSlideUp var(--duration-slow) var(--ease-spring);
}

@keyframes modalSlideUp {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-stone-100);
  border: var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: var(--text-2xl);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-out);
  z-index: 10;
}

.modal-close:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  transform: rotate(90deg);
  border-color: var(--color-primary);
}

.modal-body {
  padding: var(--space-8);
}

.modal-header {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-accent);
}

/* ==========================================
   學生好評卡片 (Testimonial Card)
   ========================================== */

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-6);
}

.testimonial-card {
  background: var(--color-bg-elevated);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-base) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.testimonial-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gold-700);
}

.testimonial-card .card-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-subtle);
}

.testimonial-card .avatar {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid var(--color-gold-700);
  flex-shrink: 0;
  box-shadow: var(--shadow-gold);
}

.testimonial-card .avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-card .user-info {
  flex: 1;
}

.testimonial-card .sharer {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: var(--font-medium);
}

.testimonial-card .name {
  display: block;
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
  margin-top: var(--space-1);
}

.testimonial-card .date {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.testimonial-card .achievement {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  line-height: var(--leading-normal);
}

.testimonial-card .testimonial-text {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.testimonial-card .more-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  font-weight: var(--font-semibold);
  padding: var(--space-2) var(--space-4);
  border: var(--border-subtle);
  border-radius: var(--radius-base);
  transition: all var(--duration-base) var(--ease-out);
}

.testimonial-card .more-btn:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
  gap: var(--space-3);
}

.testimonial-card .more-btn svg {
  transition: transform var(--duration-base) var(--ease-out);
}

.testimonial-card .more-btn:hover svg {
  transform: translateX(4px);
}

/* ==========================================
   英雄區 (Hero Section)
   ========================================== */

.hero-section {
  position: relative;
  padding: var(--space-32) 0;
  background: var(--gradient-paper);
  overflow: hidden;
}

/* 中式背景紋理 */
.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 10px,
      var(--color-stone-200) 10px,
      var(--color-stone-200) 11px
    ),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 10px,
      var(--color-stone-200) 10px,
      var(--color-stone-200) 11px
    );
  opacity: 0.3;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: var(--container-md);
  margin: 0 auto;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-6xl);
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  text-shadow: 2px 2px 0 var(--color-gold-700);
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  line-height: var(--leading-relaxed);
}

/* ==========================================
   頁尾 (Footer)
   ========================================== */

.site-footer {
  background: var(--gradient-ink);
  color: var(--color-text-inverse);
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-24);
  position: relative;
}

/* 中式波浪分隔線 */
.site-footer::before {
  content: '';
  position: absolute;
  top: -40px;
  left: 0;
  width: 100%;
  height: 40px;
  background: var(--gradient-ink);
  clip-path: polygon(
    0 50%,
    5% 30%,
    10% 50%,
    15% 30%,
    20% 50%,
    25% 30%,
    30% 50%,
    35% 30%,
    40% 50%,
    45% 30%,
    50% 50%,
    55% 30%,
    60% 50%,
    65% 30%,
    70% 50%,
    75% 30%,
    80% 50%,
    85% 30%,
    90% 50%,
    95% 30%,
    100% 50%,
    100% 100%,
    0 100%
  );
}

.footer-brand {
  margin-bottom: var(--space-8);
}

.footer-brand h2 {
  font-family: var(--font-display);
  color: var(--color-gold-700);
  margin-bottom: var(--space-2);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-links h4 {
  color: var(--color-gold-700);
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--duration-base) var(--ease-out);
}

.footer-links a:hover {
  color: var(--color-gold-700);
}

/* ==========================================
   CTA 區塊
   ========================================== */

.cta-section {
  background: var(--gradient-vermilion);
  color: var(--color-text-inverse);
  padding: var(--space-16) var(--space-6);
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow-vermilion);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section h3 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
  color: var(--color-text-inverse);
}

.cta-section p {
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
  opacity: 0.95;
}

.cta-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================
   響應式調整
   ========================================== */

@media (max-width: 768px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .modal-content {
    width: 95%;
    max-height: 95vh;
  }

  .modal-body {
    padding: var(--space-6);
  }

  .hero-title {
    font-size: var(--text-4xl);
  }

  .navbar-menu {
    flex-direction: column;
    gap: var(--space-3);
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .cta-buttons {
    flex-direction: column;
  }
}