/* =================================================================
   Pricing Page — v3 Neo-Brutalism
   navy + orange + butter | Bricolage + Hanken + Fraunces + JetBrains
   共用 landing.css nav + mobile menu + footer
   本檔專注：hero、3 plans grid、FAQ 手風琴、footer CTA
   ================================================================= */

/* Page Background */
.pricing-page {
  background: var(--brand-v3-cream);
}

body.pricing-page {
  font-family: var(--brand-v3-sans);
  color: var(--brand-v3-ink-soft);
}

/* em → Fraunces italic 強調（hero subtitle 等可用） */
body.pricing-page em,
.pricing-page .italic {
  font-family: var(--brand-v3-serif);
  font-style: italic;
  font-weight: 500;
  color: var(--brand-v3-orange);
  font-variation-settings: "opsz" 144;
}

/* ========== Hero Section ========== */
.pricing-hero {
  padding: 64px 24px 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* 取代模糊 blob 為 v3 風格暖色底色散射（radial gradient，非模糊圓） */
.pricing-hero-bg-blob {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

.pricing-hero-bg-blob.orange {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, var(--brand-v3-orange-soft) 0%, transparent 70%);
  top: -80px;
  right: -80px;
}

.pricing-hero-bg-blob.yellow {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, var(--brand-v3-butter) 0%, transparent 70%);
  bottom: -40px;
  left: -40px;
}

.pricing-hero-inner {
  max-width: 780px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.pricing-hero-title {
  font-family: var(--brand-v3-display);
  font-size: clamp(36px, 5.5vw, 68px);
  font-weight: 800;
  color: var(--brand-v3-navy);
  margin: 0 0 20px;
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-variation-settings: "opsz" 72, "wdth" 92;
}

.pricing-hero-subtitle {
  font-family: var(--brand-v3-sans);
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 500;
  color: var(--brand-v3-ink-soft);
  margin: 0;
  line-height: 1.55;
  max-width: 620px;
  margin: 0 auto;
}

/* ========== Plans Grid ========== */
.pricing-plans {
  padding: 8px 24px 88px;
}

.pricing-plans-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

/* ========== Plan Card ========== */
.pricing-card {
  background: var(--brand-v3-paper);
  border: 2.5px solid var(--brand-v3-navy);
  border-radius: var(--brand-v3-r-lg);
  padding: 40px 30px 32px;
  position: relative;
  box-shadow: var(--brand-v3-shadow-md);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(.2,.8,.2,1), box-shadow 0.3s ease;
}

.pricing-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--brand-v3-shadow-lg);
}

/* Pro 卡（highlighted）— navy 深底 + orange 陰影突出 */
.pricing-card.highlighted {
  background: var(--brand-v3-navy);
  color: var(--brand-v3-cream);
  box-shadow: 5px 5px 0 var(--brand-v3-orange-deep);
  transform: translateY(-4px);
}

.pricing-card.highlighted:hover {
  transform: translate(-3px, -7px);
  box-shadow: 8px 8px 0 var(--brand-v3-orange-deep);
}

/* 第三張卡（Business）— butter 底突出 enterprise 感 */
.pricing-card:nth-child(3):not(.highlighted) {
  background: var(--brand-v3-butter);
}

/* ========== Badge ========== */
.pricing-card-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 16px;
  background: var(--brand-v3-orange);
  color: var(--brand-v3-paper);
  border: 2px solid var(--brand-v3-navy);
  border-radius: 999px;
  font-family: var(--brand-v3-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  box-shadow: var(--brand-v3-shadow-sm);
}

/* Business 卡的 badge 用 navy 底區別 */
.pricing-card:nth-child(3) .pricing-card-badge {
  background: var(--brand-v3-navy);
  color: var(--brand-v3-cream);
}

/* ========== Plan Header ========== */
.pricing-card-header {
  text-align: center;
  margin-bottom: 28px;
}

.pricing-card-name {
  font-family: var(--brand-v3-display);
  font-size: 24px;
  font-weight: 800;
  color: var(--brand-v3-navy);
  margin: 0 0 6px;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.pricing-card.highlighted .pricing-card-name {
  color: var(--brand-v3-cream);
}

.pricing-card-desc {
  font-family: var(--brand-v3-sans);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--brand-v3-ink-soft);
  margin: 0;
  line-height: 1.5;
}

.pricing-card.highlighted .pricing-card-desc {
  color: var(--brand-v3-cream);
  opacity: 0.85;
}

/* ========== Price ========== */
.pricing-card-price {
  text-align: center;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--brand-v3-navy);
}

.pricing-card.highlighted .pricing-card-price {
  border-bottom-color: var(--brand-v3-orange);
}

.pricing-card:nth-child(3):not(.highlighted) .pricing-card-price {
  border-bottom-color: var(--brand-v3-navy);
}

.pricing-card-price-amount {
  font-family: var(--brand-v3-display);
  font-size: 44px;
  font-weight: 800;
  color: var(--brand-v3-navy);
  line-height: 1.05;
  font-variation-settings: "opsz" 72, "wdth" 90;
}

.pricing-card.highlighted .pricing-card-price-amount {
  color: var(--brand-v3-cream);
}

.pricing-card-price-amount .currency {
  font-family: var(--brand-v3-mono);
  font-size: 16px;
  font-weight: 600;
  vertical-align: top;
  position: relative;
  top: 10px;
  margin-right: 2px;
  color: var(--brand-v3-orange);
  letter-spacing: 0.02em;
}

.pricing-card.highlighted .pricing-card-price-amount .currency {
  color: var(--brand-v3-orange);
}

.pricing-card-price-period {
  font-family: var(--brand-v3-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--brand-v3-muted);
  margin-left: 4px;
  letter-spacing: 0.06em;
}

.pricing-card.highlighted .pricing-card-price-period {
  color: var(--brand-v3-cream);
  opacity: 0.7;
}

.pricing-card-price-free {
  font-family: var(--brand-v3-display);
  font-size: 36px;
  font-weight: 800;
  color: var(--brand-v3-navy);
  letter-spacing: -0.02em;
}

/* ========== Features List ========== */
.pricing-card-features {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  flex: 1;
}

.pricing-card-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 0;
  font-family: var(--brand-v3-sans);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--brand-v3-ink-soft);
  line-height: 1.55;
  border-bottom: 1.5px dashed transparent;
}

.pricing-card.highlighted .pricing-card-features li {
  color: var(--brand-v3-cream);
  opacity: 0.92;
}

.pricing-card:nth-child(3):not(.highlighted) .pricing-card-features li {
  color: var(--brand-v3-navy);
}

.pricing-card-features li .check-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  padding: 2px;
  background: var(--brand-v3-butter);
  color: var(--brand-v3-navy);
  border: 1.5px solid var(--brand-v3-navy);
  border-radius: 50%;
  margin-top: 1px;
}

.pricing-card.highlighted .pricing-card-features li .check-icon {
  background: var(--brand-v3-orange);
  color: var(--brand-v3-paper);
  border-color: var(--brand-v3-orange);
}

.pricing-card-features li .cross-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--brand-v3-muted);
  opacity: 0.5;
  margin-top: 2px;
}

/* ========== CTA Button ========== */
.pricing-card-cta {
  display: block;
  width: 100%;
  padding: 14px 24px;
  border-radius: 999px;
  font-family: var(--brand-v3-sans);
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid var(--brand-v3-navy);
  box-sizing: border-box;
  transition: transform 0.25s cubic-bezier(.2,.8,.2,1), box-shadow 0.25s ease;
  letter-spacing: -0.005em;
}

/* Primary CTA（Pro / Business 用）：navy bg + orange shadow */
.pricing-card-cta.primary {
  background: var(--brand-v3-navy);
  color: var(--brand-v3-cream);
  box-shadow: var(--brand-v3-shadow-primary-md);
}

.pricing-card-cta.primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--brand-v3-shadow-primary-lg);
}

/* Secondary CTA（Free 用）：paper bg + navy shadow */
.pricing-card-cta.secondary {
  background: var(--brand-v3-paper);
  color: var(--brand-v3-navy);
  box-shadow: var(--brand-v3-shadow-md);
}

.pricing-card-cta.secondary:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--brand-v3-shadow-lg);
  background: var(--brand-v3-butter);
}

/* highlighted 卡內的 primary CTA：反轉成 orange bg 讓它更跳 */
.pricing-card.highlighted .pricing-card-cta.primary {
  background: var(--brand-v3-orange);
  color: var(--brand-v3-paper);
  border-color: var(--brand-v3-paper);
  box-shadow: 3px 3px 0 var(--brand-v3-orange-deep);
}

.pricing-card.highlighted .pricing-card-cta.primary:hover {
  background: var(--brand-v3-paper);
  color: var(--brand-v3-navy);
  border-color: var(--brand-v3-navy);
  box-shadow: 5px 5px 0 var(--brand-v3-cream);
}

/* Outline CTA（保留 API） */
.pricing-card-cta.outline {
  background: transparent;
  color: var(--brand-v3-navy);
  border: 2px solid var(--brand-v3-navy);
  box-shadow: var(--brand-v3-shadow-sm);
}

.pricing-card-cta.outline:hover {
  background: var(--brand-v3-navy);
  color: var(--brand-v3-cream);
  transform: translate(-2px, -2px);
  box-shadow: var(--brand-v3-shadow-md);
}

/* 鎖定狀態（已登入用戶）：目前方案 / 已包含 — 不可點、無 hover */
.pricing-card-cta.current,
.pricing-card-cta.included {
  background: var(--brand-v3-off);
  color: var(--brand-v3-muted);
  border-color: var(--brand-v3-line);
  box-shadow: none;
  cursor: default;
  pointer-events: none;
}

/* 目前方案用 butter 底 + navy 字，強調「你在這」；已訂閱付費方案同款 */
.pricing-card-cta.current {
  background: var(--brand-v3-butter);
  color: var(--brand-v3-navy);
  border-color: var(--brand-v3-navy);
  box-shadow: var(--brand-v3-shadow-sm);
}

/* highlighted（Pro）卡片若為目前方案，維持可辨識的 navy 邊框 */
.pricing-card.highlighted .pricing-card-cta.current {
  border-color: var(--brand-v3-navy);
}

/* ========== FAQ Section ========== */
.pricing-faq {
  padding: 96px 24px;
  background: var(--brand-v3-cream-2);
  border-top: 2.5px solid var(--brand-v3-navy);
  border-bottom: 2.5px solid var(--brand-v3-navy);
}

.pricing-faq-inner {
  max-width: 820px;
  margin: 0 auto;
}

.pricing-faq-title {
  font-family: var(--brand-v3-display);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 800;
  color: var(--brand-v3-navy);
  text-align: center;
  margin: 0 0 56px;
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-variation-settings: "opsz" 72, "wdth" 92;
}

.pricing-faq-item {
  position: relative;
  background: var(--brand-v3-paper);
  border: 2.5px solid var(--brand-v3-navy);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.pricing-faq-item:hover {
  box-shadow: var(--brand-v3-shadow-sm);
}

.pricing-faq-item.open {
  box-shadow: var(--brand-v3-shadow-md);
  background: var(--brand-v3-cream);
}

.pricing-faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-family: var(--brand-v3-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--brand-v3-navy);
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  padding: 18px 22px;
  transition: background 0.2s ease;
  line-height: 1.4;
}

.pricing-faq-question:hover {
  background: var(--brand-v3-butter);
}

.pricing-faq-item.open .pricing-faq-question {
  background: var(--brand-v3-butter);
  border-bottom: 2px solid var(--brand-v3-navy);
}

.pricing-faq-question .faq-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  color: var(--brand-v3-navy);
  transition: transform 0.25s ease, color 0.2s ease;
}

.pricing-faq-item.open .pricing-faq-question .faq-icon {
  transform: rotate(180deg);
  color: var(--brand-v3-orange);
}

.pricing-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.pricing-faq-item.open .pricing-faq-answer {
  max-height: 400px;
  padding: 16px 22px 20px;
}

.pricing-faq-answer p {
  font-family: var(--brand-v3-sans);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--brand-v3-ink-soft);
  line-height: 1.7;
  margin: 0;
}

/* ========== Footer CTA（navy 深底 + 亮色按鈕） ========== */
.pricing-footer-cta {
  padding: 80px 24px;
  background: var(--brand-v3-navy);
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* navy 底上 radial orange glow 增加層次 */
.pricing-footer-cta::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--brand-v3-orange-deep) 0%, transparent 55%);
  opacity: 0.22;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.pricing-footer-cta-inner {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.pricing-footer-cta-title {
  font-family: var(--brand-v3-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  color: var(--brand-v3-cream);
  margin: 0 0 24px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.pricing-footer-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: var(--brand-v3-orange);
  color: var(--brand-v3-paper);
  border: 2.5px solid var(--brand-v3-paper);
  border-radius: 999px;
  font-family: var(--brand-v3-sans);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 5px 5px 0 var(--brand-v3-orange-deep);
  transition: transform 0.25s cubic-bezier(.2,.8,.2,1), box-shadow 0.25s ease, background 0.2s ease;
  letter-spacing: -0.005em;
}

.pricing-footer-cta-btn:hover {
  background: var(--brand-v3-paper);
  color: var(--brand-v3-navy);
  border-color: var(--brand-v3-navy);
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--brand-v3-cream);
}

/* =================================================================
   RWD 斷點系統（對齊 v3 skill §17）
   ≤1080: 3 cols → 1 col + highlighted 卡排到最上（已在 @900 處理）
   ≤960:  plans grid 改單欄（hero 與 highlighted 上移）
   ≤820:  hero padding/title 縮
   ≤640:  hero 再縮、card padding 縮
   ================================================================= */

@media (max-width: 960px) {
  .pricing-plans-inner {
    grid-template-columns: 1fr;
    max-width: 440px;
    gap: 40px 24px;
  }

  /* 單欄時 highlighted 卡排到最上，但保留間距避免 badge 被裁 */
  .pricing-card.highlighted {
    order: -1;
    transform: translateY(0);
  }

  .pricing-card.highlighted:hover {
    transform: translate(-3px, -3px);
  }
}

@media (max-width: 820px) {
  .pricing-hero {
    padding: 48px 20px 40px;
  }

  .pricing-hero-title {
    font-size: clamp(30px, 7vw, 48px);
  }

  .pricing-hero-subtitle {
    font-size: 15.5px;
  }

  .pricing-plans {
    padding: 0 20px 64px;
  }

  .pricing-faq {
    padding: 72px 20px;
  }

  .pricing-footer-cta {
    padding: 64px 20px;
  }

  .pricing-hero-bg-blob.orange {
    width: 320px;
    height: 320px;
    opacity: 0.35;
  }

  .pricing-hero-bg-blob.yellow {
    width: 240px;
    height: 240px;
    opacity: 0.35;
  }
}

@media (max-width: 640px) {
  .pricing-hero {
    padding: 36px 18px 36px;
  }

  .pricing-hero-title {
    font-size: clamp(26px, 8vw, 38px);
    letter-spacing: -0.025em;
  }

  .pricing-hero-subtitle {
    font-size: 15px;
  }

  .pricing-card {
    padding: 32px 22px 26px;
  }

  .pricing-card-price-amount {
    font-size: 36px;
  }

  .pricing-card-price-free {
    font-size: 30px;
  }

  .pricing-card-name {
    font-size: 21px;
  }

  .pricing-faq {
    padding: 60px 18px;
  }

  .pricing-faq-title {
    margin-bottom: 36px;
  }

  .pricing-faq-question {
    font-size: 15px;
    padding: 16px 18px;
  }

  .pricing-faq-item.open .pricing-faq-answer {
    padding: 14px 18px 18px;
  }

  .pricing-footer-cta {
    padding: 52px 18px;
  }

  .pricing-footer-cta-btn {
    padding: 14px 28px;
    font-size: 15px;
  }
}

/* =================================================================
   滾動進場動畫（v3 skill §18 — CSS 3 translate 保留卡片 transform）
   ================================================================= */
.pricing-scroll-animate {
  opacity: 0;
  translate: 0 30px;
  transition: opacity 0.7s cubic-bezier(.2,.8,.2,1),
              translate 0.7s cubic-bezier(.2,.8,.2,1);
}

.pricing-scroll-animate.in-view {
  opacity: 1;
  translate: 0 0;
}

/* 3 張方案卡 stagger 進場（保留 highlighted 的 translateY -4px） */
@keyframes pricingCardReveal {
  from { opacity: 0; translate: 0 30px; scale: 0.96; }
  to   { opacity: 1; translate: 0 0;   scale: 1; }
}

.pricing-plans-inner.in-view > .pricing-card {
  animation: pricingCardReveal 0.6s cubic-bezier(.2,.8,.2,1) both;
}

.pricing-plans-inner.in-view > .pricing-card:nth-child(1) { animation-delay: 0.05s; }
.pricing-plans-inner.in-view > .pricing-card:nth-child(2) { animation-delay: 0.15s; }
.pricing-plans-inner.in-view > .pricing-card:nth-child(3) { animation-delay: 0.25s; }

/* FAQ 進場 stagger */
@keyframes pricingFaqReveal {
  from { opacity: 0; translate: 0 20px; }
  to   { opacity: 1; translate: 0 0; }
}

.pricing-faq-inner.in-view > .pricing-faq-item {
  animation: pricingFaqReveal 0.5s cubic-bezier(.2,.8,.2,1) both;
}

.pricing-faq-inner.in-view > .pricing-faq-item:nth-child(2) { animation-delay: 0.06s; }
.pricing-faq-inner.in-view > .pricing-faq-item:nth-child(3) { animation-delay: 0.12s; }
.pricing-faq-inner.in-view > .pricing-faq-item:nth-child(4) { animation-delay: 0.18s; }
.pricing-faq-inner.in-view > .pricing-faq-item:nth-child(5) { animation-delay: 0.24s; }

/* ========== Reduced Motion ========== */
@media (prefers-reduced-motion: reduce) {
  .pricing-scroll-animate {
    opacity: 1 !important;
    translate: 0 0 !important;
    transition: none !important;
  }

  .pricing-plans-inner > .pricing-card,
  .pricing-faq-inner > .pricing-faq-item {
    animation: none !important;
  }

  .pricing-card.highlighted {
    transform: none !important;
  }
}