:root {
  --yellow: #FFE500;
  --black: #111111;
  --white: #FFFFFF;
  --soft: #FAFAF7;
  --gray: #666666;
  --whatsapp: #25D366;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Noto Sans TC", "Microsoft JhengHei", Arial, sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
}
a { color: inherit; }
img { max-width: 100%; height: auto; }
section { scroll-margin-top: 92px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255,255,255,.94);
  border-bottom: 2px solid var(--black);
  backdrop-filter: blur(12px);
}
.navbar {
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 900;
}
.nav-logo {
  width: 150px;
  border: none;
  border-radius: 0;
  display: block;
  background: transparent;
}
.nav-links { display: flex; align-items: center; gap: 16px; font-weight: 800; font-size: 14px; }
.menu-toggle {
  display: none;
  border: 2px solid var(--black);
  background: var(--yellow);
  color: var(--black);
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 950;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--black);
}
.nav-links a { text-decoration: none; }
.nav-whatsapp {
  background: var(--black);
  color: var(--yellow) !important;
  padding: 10px 16px;
  border-radius: 999px;
}
.section { max-width: 1180px; margin: 0 auto; padding: 76px 20px; }
.hero {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 38px;
  align-items: center;
  min-height: calc(100vh - 76px);
}
.eyebrow {
  display: inline-block;
  background: var(--yellow);
  padding: 8px 14px;
  border: 2px solid var(--black);
  font-weight: 900;
  margin: 0 0 16px;
}
h1 { font-size: clamp(48px, 7vw, 92px); line-height: .95; margin: 0 0 22px; letter-spacing: -0.06em; }
h1 span { background: var(--yellow); padding: 0 10px; }
.hero-subtitle { font-size: 20px; font-weight: 800; color: #222; margin-bottom: 24px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 14px; margin: 22px 0; }
.hero-buttons.center { justify-content: center; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  border: 2px solid var(--black);
  border-radius: 999px;
  font-weight: 900;
  text-decoration: none;
  box-shadow: 5px 5px 0 var(--black);
  transition: .2s ease;
}
.btn:hover { transform: translate(2px,2px); box-shadow: 2px 2px 0 var(--black); }
.btn.primary { background: var(--yellow); }
.btn.secondary { background: var(--white); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 28px; }
.stats div { border: 2px solid var(--black); padding: 16px; background: var(--soft); }
.stats strong { display: block; font-size: 30px; font-weight: 1000; }
.stats span { font-size: 13px; font-weight: 800; color: var(--gray); }
.hero-visual img, .wide-image, .review-image {
  border: 3px solid var(--black);
  border-radius: 24px;
  box-shadow: 10px 10px 0 var(--yellow), 12px 12px 0 var(--black);
  background: var(--white);
}
.section-title { text-align: center; margin-bottom: 32px; }
.section-title span { font-weight: 1000; letter-spacing: .2em; background: var(--yellow); padding: 6px 12px; border: 2px solid var(--black); }
.section-title h2 { font-size: clamp(34px, 5vw, 58px); line-height: 1; margin: 18px 0 8px; letter-spacing: -0.04em; }
.section-title p { color: var(--gray); font-weight: 700; }
.card-grid.three { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.info-card, .sample-box {
  border: 2px solid var(--black);
  background: var(--white);
  padding: 24px;
  border-radius: 20px;
  box-shadow: 6px 6px 0 var(--yellow);
}
.info-card h3 { font-size: 22px; margin: 0 0 10px; }
.info-card p { margin: 0; color: #333; font-weight: 650; }
.directory { padding-top: 50px; }
.directory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.directory-grid a {
  display: block;
  min-height: 150px;
  padding: 20px;
  border: 2px solid var(--black);
  border-radius: 20px;
  background: var(--soft);
  text-decoration: none;
  box-shadow: 6px 6px 0 var(--yellow);
  transition: .2s ease;
}
.directory-grid a:hover { transform: translate(2px,2px); box-shadow: 3px 3px 0 var(--yellow); }
.directory-grid strong {
  display: inline-block;
  background: var(--yellow);
  border: 2px solid var(--black);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 13px;
  margin-bottom: 12px;
}
.directory-grid span { display: block; font-size: 22px; font-weight: 1000; margin-bottom: 6px; }
.directory-grid small { display: block; color: var(--gray); font-weight: 750; line-height: 1.5; }
.yellow-panel {
  background: var(--yellow);
  border: 3px solid var(--black);
  border-radius: 28px;
  padding: 34px;
  text-align: center;
}
.yellow-panel h2 { font-size: clamp(30px, 5vw, 54px); margin: 0 0 20px; }
.offer-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.offer-list span, .tag-wrap span {
  border: 2px solid var(--black);
  background: var(--white);
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 900;
}
.tag-wrap { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin: 34px 0 16px; }
.subject-line { max-width: 900px; margin: 0 auto; text-align: center; color: var(--gray); font-weight: 750; }
.wide-image, .review-image { display: block; margin: 0 auto; }
.promise-list { margin: 34px auto 0; max-width: 900px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.promise-list p { margin: 0; border: 2px solid var(--black); border-radius: 14px; padding: 14px; background: var(--soft); font-weight: 800; }
.sample-box { max-width: 720px; margin: 0 auto; text-align: center; background: var(--soft); }
.faq-list { max-width: 900px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { border: 2px solid var(--black); border-radius: 16px; overflow: hidden; background: var(--white); }
.faq-item button {
  width: 100%;
  padding: 18px 20px;
  border: 0;
  background: var(--white);
  text-align: left;
  font-size: 18px;
  font-weight: 950;
  cursor: pointer;
}
.faq-item button::after { content: "+"; float: right; }
.faq-item.active button { background: var(--yellow); }
.faq-item.active button::after { content: "−"; }
.faq-item div { display: none; padding: 0 20px 18px; color: #333; font-weight: 650; }
.faq-item.active div { display: block; }
.final-cta { text-align: center; background: var(--soft); border-top: 3px solid var(--black); border-bottom: 3px solid var(--black); max-width: none; }
.final-cta h2 { font-size: clamp(38px, 6vw, 76px); margin: 0; }
.footer { text-align: center; padding: 38px 20px 110px; background: var(--black); color: var(--white); }
.footer img { width: 260px; max-width: 78%; border: none; border-radius: 0; background: transparent; }
.floating-whatsapp {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 1000;
  background: var(--whatsapp);
  color: #fff;
  text-decoration: none;
  font-weight: 950;
  padding: 14px 20px;
  border-radius: 999px;
  border: 2px solid var(--black);
  box-shadow: 6px 6px 0 var(--black);
}
.reveal { opacity: 0; transform: translateY(22px); transition: .7s ease; }
.reveal.show { opacity: 1; transform: translateY(0); }


/* Reviews carousel */
.review-carousel-section {
  max-width: 1180px;
}
.review-carousel {
  position: relative;
  max-width: 620px;
  margin: 8px auto 0;
}
.review-viewport {
  overflow: hidden;
  border: 3px solid var(--black);
  border-radius: 28px;
  background: var(--white);
  box-shadow: 10px 10px 0 var(--yellow), 12px 12px 0 var(--black);
  touch-action: pan-y;
}
.review-track {
  display: flex;
  transition: transform .42s cubic-bezier(.2,.8,.2,1);
  will-change: transform;
}
.review-slide {
  flex: 0 0 100%;
  padding: 16px;
  background: repeating-linear-gradient(135deg, #ffffff 0, #ffffff 18px, #FAFAF7 18px, #FAFAF7 36px);
}
.review-slide img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--black);
  border-radius: 20px;
  background: #000;
}
.review-arrow {
  position: absolute;
  top: 50%;
  z-index: 5;
  width: 48px;
  height: 48px;
  transform: translateY(-50%);
  border: 3px solid var(--black);
  border-radius: 999px;
  background: var(--yellow);
  color: var(--black);
  font-size: 34px;
  line-height: 1;
  font-weight: 1000;
  cursor: pointer;
  box-shadow: 5px 5px 0 var(--black);
  transition: .2s ease;
}
.review-arrow:hover {
  transform: translateY(-50%) translate(2px,2px);
  box-shadow: 2px 2px 0 var(--black);
}
.review-prev { left: -24px; }
.review-next { right: -24px; }
.review-dots {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 9px;
  max-width: 680px;
  margin: 28px auto 0;
}
.review-dot {
  width: 12px;
  height: 12px;
  padding: 0;
  border: 2px solid var(--black);
  border-radius: 999px;
  background: var(--white);
  cursor: pointer;
}
.review-dot.active {
  width: 28px;
  background: var(--black);
}

@media (max-width: 860px) {
  section { scroll-margin-top: 84px; }
  .navbar { position: relative; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border: 2px solid var(--black);
    border-radius: 18px;
    background: var(--white);
    box-shadow: 6px 6px 0 var(--yellow), 8px 8px 0 var(--black);
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: 12px 14px;
    border-bottom: 1px solid #eeeeee;
  }
  .nav-links a:last-child { border-bottom: 0; }
  .nav-whatsapp { text-align: center; margin-top: 8px; }
  .nav-logo { width: 110px; }
  .brand span { font-size: 14px; }
  .hero { grid-template-columns: 1fr; padding-top: 42px; min-height: auto; }
  .hero-visual { order: -1; }
  .hero-visual img, .wide-image, .review-image { border-radius: 16px; box-shadow: 6px 6px 0 var(--yellow), 8px 8px 0 var(--black); }
  .stats, .card-grid.three, .promise-list, .directory-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 16px; }
  .directory { padding-top: 42px; }
  .hero-subtitle { font-size: 17px; }
  .floating-whatsapp { left: 14px; right: 14px; text-align: center; bottom: 14px; }
}


@media (max-width: 860px) {
  .review-carousel { max-width: 90%; }
  .review-viewport { border-radius: 20px; box-shadow: 6px 6px 0 var(--yellow), 8px 8px 0 var(--black); }
  .review-slide { padding: 10px; }
  .review-slide img { border-radius: 14px; }
  .review-arrow { width: 40px; height: 40px; font-size: 28px; box-shadow: 3px 3px 0 var(--black); }
  .review-prev { left: -18px; }
  .review-next { right: -18px; }
}