/* ══════════════════════════════════════════
   旅途手帖 — Landing 首頁樣式
   ══════════════════════════════════════════ */

body.landing-body {
  background: var(--c-bg);
  overflow-x: hidden;
}

/* ════════════════════════════════
   Hero
   ════════════════════════════════ */

.lp-hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 32px 100px;
  overflow: hidden;
}

/* 背景圓圈 */
.lp-hero-bg { position: absolute; inset: 0; pointer-events: none; }

.lp-circle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.45;
}
.lp-circle-1 {
  width: 420px; height: 420px;
  top: -120px; right: -140px;
  background: radial-gradient(circle, var(--c-green-pale) 0%, transparent 70%);
  animation: lp-float 8s ease-in-out infinite;
}
.lp-circle-2 {
  width: 300px; height: 300px;
  bottom: 60px; left: -100px;
  background: radial-gradient(circle, var(--c-rose-pale) 0%, transparent 70%);
  animation: lp-float 11s ease-in-out infinite reverse;
}
.lp-circle-3 {
  width: 200px; height: 200px;
  top: 40%; left: 60%;
  background: radial-gradient(circle, var(--c-blue-pale) 0%, transparent 70%);
  opacity: 0.3;
  animation: lp-float 14s ease-in-out infinite 2s;
}

/* 點陣裝飾 */
.lp-dots {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(74,69,64,0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

@keyframes lp-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-18px) scale(1.04); }
}

/* 頂部小標 */
.lp-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--c-text-hint);
  font-weight: 400;
  margin-bottom: 28px;
  animation: lp-fade-up 0.7s ease both;
}
.lp-star {
  color: var(--c-sand);
  font-size: 9px;
}

/* 主標題 */
.lp-title {
  font-family: var(--font-serif);
  font-size: clamp(52px, 14vw, 80px);
  font-weight: 400;
  line-height: 1.05;
  color: var(--c-text);
  margin-bottom: 20px;
  animation: lp-fade-up 0.7s ease 0.1s both;
}
.lp-title em {
  font-style: italic;
  color: var(--c-green);
  display: block;
}

/* 英文 tagline */
.lp-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(14px, 3.5vw, 17px);
  color: var(--c-text-sub);
  line-height: 1.7;
  margin-bottom: 16px;
  animation: lp-fade-up 0.7s ease 0.2s both;
}

/* 中文描述 */
.lp-desc {
  font-size: 13px;
  color: var(--c-text-hint);
  line-height: 2;
  letter-spacing: 0.05em;
  margin-bottom: 40px;
  animation: lp-fade-up 0.7s ease 0.3s both;
}

/* CTA 按鈕 */
.lp-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--c-text);
  color: var(--c-text-inv);
  border-radius: 99px;
  font-family: var(--font-serif);
  font-size: 15px;
  text-decoration: none;
  letter-spacing: 0.04em;
  box-shadow: 0 4px 20px rgba(74,69,64,0.22);
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  animation: lp-fade-up 0.7s ease 0.4s both;
}
.lp-cta:hover {
  background: var(--c-green);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(139,158,138,0.35);
}
.lp-cta:active { transform: scale(0.97); }

/* 向下捲動提示 */
.lp-scroll-hint {
  position: absolute;
  bottom: calc(var(--nav-h, 64px) + 20px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--c-text-hint);
  animation: lp-fade-up 0.7s ease 0.6s both;
}
.lp-scroll-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, transparent, var(--c-border));
  animation: lp-scroll-pulse 2s ease-in-out infinite;
}
@keyframes lp-scroll-pulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(1.2); transform-origin: top; }
}

/* ════════════════════════════════
   功能卡片區
   ════════════════════════════════ */

.lp-features {
  padding: 60px 20px 40px;
  max-width: 600px;
  margin: 0 auto;
}

.lp-features-header {
  text-align: center;
  margin-bottom: 32px;
}

.lp-features-label {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--c-text-hint);
  margin-bottom: 8px;
}

.lp-features-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 7vw, 36px);
  font-weight: 400;
  color: var(--c-text);
  margin-bottom: 10px;
}

.lp-features-sub {
  font-size: 13px;
  color: var(--c-text-hint);
  line-height: 1.8;
}

/* 卡片列表 */
.lp-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.lp-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 20px 20px 20px;
  background: var(--c-bg-elevated);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--radius-lg);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  position: relative;
  overflow: hidden;
}
.lp-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.2s;
}
.lp-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.lp-card:hover::before { opacity: 1; }
.lp-card:active { transform: scale(0.98); }

/* 圖示圓圈 */
.lp-card-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s;
}
.lp-card:hover .lp-card-icon { transform: scale(1.08); }

/* 色系 */
.lp-card-green .lp-card-icon { background: var(--c-green-pale); color: var(--c-green); }
.lp-card-green:hover { border-color: var(--c-green-light); }
.lp-card-green::before { background: linear-gradient(135deg, rgba(139,158,138,0.04) 0%, transparent 60%); }

.lp-card-rose .lp-card-icon { background: var(--c-rose-pale); color: var(--c-rose); }
.lp-card-rose:hover { border-color: var(--c-rose-light); }
.lp-card-rose::before { background: linear-gradient(135deg, rgba(184,169,154,0.04) 0%, transparent 60%); }

.lp-card-blue .lp-card-icon { background: var(--c-blue-pale); color: var(--c-blue); }
.lp-card-blue:hover { border-color: var(--c-blue-light); }
.lp-card-blue::before { background: linear-gradient(135deg, rgba(139,160,176,0.04) 0%, transparent 60%); }

.lp-card-sand .lp-card-icon { background: var(--c-brown-pale); color: var(--c-brown); }
.lp-card-sand:hover { border-color: var(--c-brown-light); }
.lp-card-sand::before { background: linear-gradient(135deg, rgba(168,155,140,0.04) 0%, transparent 60%); }

/* 卡片內文 */
.lp-card-body {
  flex: 1;
  min-width: 0;
}
.lp-card-num {
  font-family: var(--font-serif);
  font-size: 10px;
  color: var(--c-text-hint);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
  font-style: italic;
}
.lp-card-title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 400;
  color: var(--c-text);
  margin-bottom: 4px;
}
.lp-card-desc {
  font-size: 12px;
  color: var(--c-text-hint);
  line-height: 1.6;
}

/* 箭頭 */
.lp-card-arrow {
  flex-shrink: 0;
  color: var(--c-text-hint);
  display: flex;
  align-items: center;
  transition: color 0.2s, transform 0.2s;
}
.lp-card:hover .lp-card-arrow {
  color: var(--c-green);
  transform: translateX(3px);
}

/* ════════════════════════════════
   底部引言區
   ════════════════════════════════ */

.lp-quote {
  text-align: center;
  padding: 48px 32px calc(var(--nav-h, 64px) + 48px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  position: relative;
}
.lp-quote::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 60px; height: 1px;
  background: linear-gradient(to right, transparent, var(--c-border), transparent);
}

.lp-quote-mark {
  font-size: 16px;
  color: var(--c-sand);
  opacity: 0.7;
}
.lp-quote-text {
  font-family: var(--font-serif);
  font-size: clamp(15px, 4vw, 18px);
  font-weight: 400;
  color: var(--c-text-sub);
  line-height: 1.9;
  letter-spacing: 0.04em;
}
.lp-quote-cta {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--c-green);
  text-decoration: none;
  letter-spacing: 0.06em;
  transition: letter-spacing 0.2s, color 0.2s;
}
.lp-quote-cta:hover {
  letter-spacing: 0.12em;
  color: var(--c-text);
}

/* ════════════════════════════════
   動畫
   ════════════════════════════════ */

@keyframes lp-fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* scroll-reveal */
.lp-card, .lp-features-header, .lp-quote {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.lp-card.revealed, .lp-features-header.revealed, .lp-quote.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* 桌面版最大寬度約束 */
@media (min-width: 640px) {
  .lp-features { padding: 80px 32px 48px; }
  .lp-cards { gap: 16px; }
  .lp-card { padding: 24px 24px; }
  .lp-card-icon { width: 56px; height: 56px; border-radius: 18px; }
}