* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: #F9F9F7;
  color: #1D1D1F;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'SF Pro Display', sans-serif;
  font-weight: 400;
  line-height: 1.4;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  backdrop-filter: blur(16px);
  background: rgba(249, 249, 247, 0.72);
  z-index: 1000;
  padding: 1.2rem 2rem;
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(142, 142, 147, 0.2);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
}

.logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: #1D1D1F;
  text-decoration: none;
}

.logo-zh {
  font-family: 'Noto Sans TC', 'Inter', -apple-system, 'PingFang TC', 'Microsoft JhengHei', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: #8E8E93;
  margin-left: 0.35rem;
}

.nav-links {
  display: flex;
  gap: 2.4rem;
}

.nav-links a {
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  color: #1D1D1F;
  transition: color 0.2s;
  letter-spacing: -0.2px;
}

.nav-links a:hover {
  color: #6F4E37;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
}

.hero {
  min-height: auto;
  padding: 7rem 0 4rem;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 3rem;
  align-items: start;
}

.hero-copy h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: #1D1D1F;
  margin-bottom: 1rem;
}

.hero-tagline {
  font-size: 1.15rem;
  color: #8E8E93;
  letter-spacing: -0.2px;
}

.hero-feature {
  margin: 0;
}

.hero-photo-frame {
  background: #FFFFFF;
  padding: 0.5rem;
  border: 1px solid rgba(142, 142, 147, 0.18);
  box-shadow: 0 16px 40px -20px rgba(0, 0, 0, 0.12);
}

.hero-photo-frame img {
  width: 100%;
  display: block;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.hero-caption {
  margin-top: 1rem;
  padding: 0 0.25rem;
  font-size: 0.88rem;
  line-height: 1.65;
  color: #3A3A3C;
}

.hero-caption strong {
  font-weight: 600;
  color: #1D1D1F;
}

.caption-source {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.72rem;
  color: #8E8E93;
  letter-spacing: 0.04em;
}

/* Story + certificate */
.story-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: start;
}

.story-stat-block {
  margin-bottom: 2rem;
  padding-left: 1rem;
  border-left: 3px solid #6F4E37;
}

.stat-label {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8E8E93;
  margin-bottom: 0.35rem;
}

.stat-time {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 600;
  line-height: 1;
  color: #1D1D1F;
}

.cert-display {
  position: relative;
}

.cert-frame {
  background: #FFFFFF;
  padding: 0.75rem;
  border: 1px solid rgba(142, 142, 147, 0.15);
  box-shadow: 0 20px 50px -24px rgba(111, 78, 55, 0.25);
  transform: rotate(1.5deg);
}

.cert-frame img {
  width: 100%;
  display: block;
}

.cert-plaque {
  margin-top: 1.25rem;
  padding: 1rem 1.1rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(142, 142, 147, 0.12);
  text-align: center;
}

.cert-plaque-title {
  font-family: 'Playfair Display', serif;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #6F4E37;
  margin-bottom: 0.4rem;
}

.cert-plaque-text {
  font-size: 0.78rem;
  line-height: 1.6;
  color: #6E6860;
}

.athlete-text {
  font-size: 1.2rem;
  line-height: 1.6;
  color: #2c2c2e;
  font-weight: 400;
}

.athlete-text p {
  margin-bottom: 1.5rem;
}

.magazine-quote {
  font-style: italic;
  font-weight: 450;
  border-left: 2px solid #8E8E93;
  padding-left: 1.5rem;
  color: #6F4E37;
}

.placeholder-note {
  font-size: 0.95rem;
  color: #8E8E93;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: -0.3px;
}

.section-sub {
  color: #8E8E93;
  margin-bottom: 3rem;
  font-size: 1rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.product-card {
  background: #FFFFFF;
  border-radius: 24px;
  padding: 1.2rem 1rem 1.5rem;
  transition: all 0.4s cubic-bezier(0.2, 0, 0, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(142, 142, 147, 0.15);
  text-align: center;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 36px -16px rgba(0, 0, 0, 0.12);
  border-color: rgba(111, 78, 55, 0.25);
}

.product-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 20px;
  background: #F2F2F0;
  margin-bottom: 1rem;
}

.product-name {
  font-weight: 600;
  font-size: 1.2rem;
  margin: 0.6rem 0 0.15rem;
  color: #1D1D1F;
}

.product-size {
  font-size: 0.9rem;
  font-weight: 400;
  color: #8E8E93;
  margin-bottom: 0.25rem;
}

.product-price {
  font-weight: 500;
  color: #8E8E93;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.btn-order {
  background: transparent;
  border: 1px solid #6F4E37;
  border-radius: 40px;
  padding: 0.6rem 1.2rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  color: #6F4E37;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  backdrop-filter: blur(2px);
}

.btn-order:hover {
  background: #6F4E37;
  color: #FFFFFF;
  border-color: #6F4E37;
}

.contact-area {
  text-align: center;
  padding: 4rem 0 3rem;
  border-top: 1px solid rgba(142, 142, 147, 0.2);
}

.contact-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #1D1D1F;
}

.contact-intro {
  font-size: 0.95rem;
  color: #8E8E93;
  line-height: 1.65;
  max-width: 28rem;
  margin: 0 auto 1.75rem;
}

.contact-email-link {
  display: inline-block;
  background: transparent;
  border: 1px solid #6F4E37;
  border-radius: 40px;
  padding: 0.75rem 2.25rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: #6F4E37;
  text-decoration: none;
  transition: all 0.2s ease;
}

.contact-email-link:hover {
  background: #6F4E37;
  color: #FFFFFF;
}

.social-row {
  display: flex;
  justify-content: center;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid rgba(111, 78, 55, 0.35);
  background: transparent;
  color: #6F4E37;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.social-icon:hover {
  background: #6F4E37;
  color: #FFFFFF;
  border-color: #6F4E37;
}

.social-icon svg {
  display: block;
  flex-shrink: 0;
}

footer {
  text-align: center;
  padding: 2rem 0 3rem;
  font-size: 0.8rem;
  color: #8E8E93;
  border-top: 1px solid rgba(142, 142, 147, 0.2);
  margin-top: 1rem;
}

@media (max-width: 800px) {
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .hero-layout,
  .story-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-feature {
    order: -1;
  }

  .navbar {
    padding: 1rem 1.2rem;
  }

  .nav-links {
    gap: 1.4rem;
  }

  .hero-copy {
    text-align: center;
  }

  .container {
    padding: 0 1.25rem;
  }

  section {
    padding: 4rem 0;
  }

  .cert-frame {
    transform: none;
    max-width: 320px;
    margin: 0 auto;
  }
}

.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.9, 0.4, 1.1), transform 0.8s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

img {
  max-width: 100%;
  display: block;
}

a,
button {
  cursor: pointer;
}