/* =========================================================
   1. Announcement Bar — 頂部公告條
   ========================================================= */
.announce {
  background: linear-gradient(90deg, #1A1A2E 0%, #2A1B4A 100%);
  color: #fff;
  font-size: 13px;
  padding: 10px 24px;
  text-align: center;
  letter-spacing: 0.02em;
}
.announce strong { color: #FFB199; font-weight: 600; }
.announce a { text-decoration: underline; opacity: 0.8; margin-left: 6px; }

/* =========================================================
   2. Navigation — 導覽列（sticky + 玻璃感）
   ========================================================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 247, 242, 0.75);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.nav.scrolled {
  border-bottom-color: var(--line);
  background: rgba(250, 247, 242, 0.9);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(255,107,71,0.15);
}
.nav-links { display: flex; gap: 28px; font-size: 14.5px; color: var(--ink-soft); align-items: center; }
.nav-links > a { transition: color 0.2s; }
.nav-links > a:hover { color: var(--coral-text); }

/* Nav dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-trigger {
  font: inherit;
  font-size: 14.5px;
  background: none;
  border: none;
  color: var(--ink-soft);
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s;
}
.nav-dropdown-trigger:hover,
.nav-dropdown[data-open="true"] .nav-dropdown-trigger { color: var(--coral-text); }
.nav-dropdown-trigger .caret { transition: transform 0.2s var(--ease); font-size: 11px; }
.nav-dropdown[data-open="true"] .caret { transform: rotate(180deg); }
.nav-dropdown-panel {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  width: 300px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
  z-index: 60;
}
.nav-dropdown-panel[hidden] { display: block; } /* visibility 改用 opacity，等動畫 work */
.nav-dropdown[data-open="true"] .nav-dropdown-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-panel a {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--ink);
  font-size: 14px;
  transition: background 0.15s;
}
.nav-dropdown-panel a:hover,
.nav-dropdown-panel a:focus-visible {
  background: var(--soft);
  outline: none;
}
.dm-emoji {
  font-size: 22px;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--soft);
  flex-shrink: 0;
}
.nav-dropdown-panel a > span:last-child {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.dm-sub {
  font-size: 12px;
  color: var(--muted);
  font-weight: 400;
}
.nav-dropdown-panel strong { font-weight: 600; }
.nav-cta { display: flex; gap: 10px; align-items: center; }

/* =========================================================
   按鈕系統 — Button System
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 500;
  transition: all 0.2s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--ink);
  color: #fff;
}
.btn-primary:hover { background: var(--coral); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
}
.btn-ghost:hover { color: var(--ink); }
.btn-outline {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.5);
}
.btn-outline:hover { border-color: var(--ink); }
.btn-lg { padding: 16px 28px; font-size: 16px; }
.btn-coral {
  background: var(--coral-text);    /* contrast-safe with white text */
  color: #fff;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(201,66,30,0.35);
}
.btn-coral:hover {
  background: var(--coral-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(181,57,26,0.45);
}

/* =========================================================
   3. Hero Section — 主視覺
   ========================================================= */
.hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 60% 50% at 20% 30%, rgba(255,107,71,0.18), transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 70%, rgba(74,108,247,0.15), transparent 60%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--coral-text);    /* contrast-safe */
  font-weight: 700;
  padding: 6px 14px;
  background: color-mix(in srgb, var(--coral-text) 10%, transparent);
  border-radius: 999px;
  margin-bottom: 24px;
}
.eyebrow-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--coral);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.5vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin-bottom: 22px;
}
.hero h1 em {
  font-style: italic;
  color: var(--coral-text);   /* 對比足；底線高光仍用淺 coral 做 marker */
  position: relative;
}
.hero h1 em::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0.1em;
  height: 6px;
  background: rgba(255,107,71,0.2);
  z-index: -1;
}
.hero p.sub {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 480px;
  margin-bottom: 36px;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero-meta {
  margin-top: 28px;
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 18px;
}
.avatars { display: flex; }
.avatars > div {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid var(--bg);
  margin-left: -8px;
  background: linear-gradient(135deg, #FFB199 0%, #FF6B47 100%);
}
.avatars > div:nth-child(2) { background: linear-gradient(135deg, #A0B8FF 0%, #4A6CF7 100%); }
.avatars > div:nth-child(3) { background: linear-gradient(135deg, #D4A8F0 0%, #9D4EDD 100%); }
.avatars > div:nth-child(4) { background: linear-gradient(135deg, #8EE0C7 0%, #06A77D 100%); }

/* Hero visual — 模擬 app screenshot */
.hero-visual {
  position: relative;
  perspective: 1200px;
}
.hero-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  transform: rotateY(-8deg) rotateX(4deg);
  transition: transform 0.6s var(--ease);
}
.hero-card:hover { transform: rotateY(-3deg) rotateX(2deg); }
.hero-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.r { background: #FF6B6B; }
.dot.y { background: #FFD93D; }
.dot.g { background: #6BCB77; }
.hero-card-title {
  margin-left: auto;
  font-size: 12px;
  color: var(--muted);
}
.task-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.task-item:last-child { border-bottom: none; }
.check {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.task-item.done .check {
  background: var(--mint);
  border-color: var(--mint);
}
.task-item.done .check::after {
  content: '✓';
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}
.task-item.done .task-text { color: var(--muted); text-decoration: line-through; }
.task-text { font-size: 14px; flex: 1; }
.task-tag {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--ink-soft);
}
.task-tag.urgent { background: rgba(255,107,71,0.12); color: var(--coral); }
.task-tag.focus { background: rgba(74,108,247,0.12); color: var(--indigo); }

.hero-float {
  position: absolute;
  background: var(--card);
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  animation: float 4s ease-in-out infinite;
}
.hero-float.f1 {
  top: -10px; right: -30px;
  animation-delay: 0s;
}
.hero-float.f2 {
  bottom: 20px; left: -40px;
  animation-delay: 1.5s;
}
.hero-float-emoji {
  font-size: 22px;
}
.hero-float-text strong { display: block; font-size: 14px; font-weight: 600; }
.hero-float-text span { font-size: 12px; color: var(--muted); }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* =========================================================
   4. Trust Bar — 客戶 logo 列
   ========================================================= */
.trust {
  padding: 50px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.trust-label {
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 28px;
}
.trust-logos {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 40px;
  flex-wrap: wrap;
  opacity: 0.65;
}
.trust-logos > div {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink-soft);
  transition: opacity 0.2s;
}
.trust-logos > div:hover { opacity: 1; }

/* =========================================================
   5. Feature Grid — 3 欄功能格仔
   ========================================================= */
.section { padding: 100px 0; }
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section-head .eyebrow { margin-bottom: 16px; }
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section-head p {
  font-size: 17px;
  color: var(--ink-soft);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--line);
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--coral);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, #FFE4DC 0%, #FFB199 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}
.feature-card:nth-child(2) .feature-icon {
  background: linear-gradient(135deg, #DCE5FF 0%, #A0B8FF 100%);
}
.feature-card:nth-child(3) .feature-icon {
  background: linear-gradient(135deg, #E8DCFF 0%, #C8A8F0 100%);
}
.feature-card h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
}
.feature-card p {
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.6;
}

/* =========================================================
   6. Zigzag Feature Section — 圖文交錯 deep-dive
   ========================================================= */
.zigzag {
  padding: 100px 0;
  background: var(--soft);
}
.zigzag-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 100px;
}
.zigzag-row:last-child { margin-bottom: 0; }
.zigzag-row.reverse .zigzag-text { order: 2; }
.zigzag-text h3 {
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 16px 0 18px;
}
.zigzag-text p {
  color: var(--ink-soft);
  font-size: 16px;
  margin-bottom: 24px;
}
.feature-list { list-style: none; }
.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--ink-soft);
}
.feature-list li::before {
  content: '→';
  color: var(--coral);
  font-weight: 700;
  flex-shrink: 0;
}
.zigzag-visual {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.mini-chart {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 160px;
  margin-top: 16px;
}
.mini-chart .bar {
  flex: 1;
  background: linear-gradient(180deg, var(--coral) 0%, #FFB199 100%);
  border-radius: 8px 8px 0 0;
  transition: all 0.4s var(--ease);
}
.mini-chart .bar:hover {
  background: linear-gradient(180deg, var(--coral-dark) 0%, var(--coral) 100%);
  transform: scaleY(1.05);
}
.timer-ring {
  width: 200px; height: 200px;
  margin: 0 auto;
  position: relative;
}
.timer-ring svg { transform: rotate(-90deg); }
.timer-ring circle.bg { stroke: var(--line); }
.timer-ring circle.fg {
  stroke: var(--coral);
  stroke-dasharray: 565;
  stroke-dashoffset: 170;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s var(--ease);
}
.timer-num {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
}
.timer-num .big { font-size: 42px; font-weight: 700; }
.timer-num .small { font-size: 13px; color: var(--muted); letter-spacing: 0.1em; text-transform: uppercase; }