/* ===== GLOBAL ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --cream:    #faf8f4;
  --green:    #3b5c47;
  --green-lt: #5a8a6a;
  --sage:     #a8c5a0;
  --gold:     #c9a84c;
  --text:     #2c2c2c;
  --text-lt:  #6b6b6b;
  --border:   #e0ddd6;
  --white:    #ffffff;
}

html { scroll-behavior: smooth; }

body {
  font-family: "Noto Serif TC", "思源宋體 TW", serif;
  background: var(--cream);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ===== HEADER ===== */
header {
  background: var(--green);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 52px;
}

/* ===== LOGO BAR ===== */
.logo-bar {
  background: var(--white);
  text-align: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.logo-bar a { display: inline-block; }
.logo-bar img { height: 90px; width: auto; display: block; }

.logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
}
.logo span { color: var(--gold); }
.logo img { height: 56px; width: auto; display: block; }

nav ul {
  display: flex;
  gap: 32px;
  list-style: none;
}

nav a {
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.06em;
  position: relative;
  padding-bottom: 3px;
  transition: color 0.2s;
}

nav a::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--white);
  transition: width 0.25s;
}

nav a:hover, nav a.active { color: var(--white); }
nav a:hover::after, nav a.active::after { width: 100%; }

/* hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===== HERO CAROUSEL ===== */
.hero {
  position: relative;
  overflow: hidden;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
}

.slides { display: flex; transition: transform 0.6s ease; }

.slide {
  min-width: 100%;
  min-height: 520px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  overflow: hidden;
}

.slide-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.slide-content {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  padding: 20px 32px;
  max-width: 560px;
  width: calc(100% - 48px);
  text-align: center;
  color: var(--white);
}

.slide-content h2 {
  font-size: clamp(18px, 3vw, 30px);
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 0.06em;
  text-shadow: 0 2px 8px rgba(0,0,0,0.55), 0 1px 3px rgba(0,0,0,0.4);
}

.slide-content p {
  font-size: clamp(13px, 1.6vw, 15px);
  opacity: 0.92;
  line-height: 1.75;
  text-shadow: 0 1px 6px rgba(0,0,0,0.55);
}


.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.2);
  border: none;
  color: white;
  font-size: 24px;
  width: 48px; height: 48px;
  border-radius: 50%;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: background 0.2s;
  display: flex; align-items: center; justify-content: center;
}
.carousel-btn:hover { background: rgba(255,255,255,0.35); }
.carousel-btn.prev { left: 20px; }
.carousel-btn.next { right: 20px; }

.carousel-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}
.dot.active { background: var(--white); }

/* ===== SECTION COMMON ===== */
section { padding: 72px 24px; }

.section-inner { max-width: 1200px; margin: 0 auto; }

.section-title {
  text-align: center;
  margin-bottom: 48px;
}
.section-title h2 {
  font-size: clamp(24px, 3vw, 36px);
  color: var(--green);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.section-title p {
  color: var(--text-lt);
  font-size: 14px;
  letter-spacing: 0.04em;
}
.divider {
  width: 48px; height: 2px;
  background: var(--gold);
  margin: 12px auto 0;
}

/* ===== PRODUCT CARDS ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 28px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  transition: box-shadow 0.25s, transform 0.25s;
}
.product-card:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,0.10);
  transform: translateY(-4px);
}

.product-img {
  width: 100%;
  aspect-ratio: 1;
  background: #ede9e0;
  overflow: hidden;
}
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}
.product-card:hover .product-img img { transform: scale(1.05); }

.product-info {
  padding: 16px 18px 20px;
}

.product-name-zh {
  font-size: 15px;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 4px;
  letter-spacing: 0.04em;
}

.product-name-en {
  font-size: 12px;
  color: var(--text-lt);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}

.product-price {
  font-size: 15px;
  color: var(--text);
  font-weight: 600;
}
.product-price .sold-out {
  font-size: 12px;
  color: #c0392b;
  font-weight: 400;
  margin-left: 6px;
}

/* ===== COLLECTIONS ===== */
.collection-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.collection-card {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  color: var(--white);
  aspect-ratio: 4/3;
  display: block;
  transition: transform 0.25s;
}
.collection-card:hover { transform: scale(1.02); }
.collection-card > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s;
}
.collection-card:hover > img { transform: scale(1.06); }
.collection-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.15) 55%, transparent 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 32px;
  text-align: center;
}
.collection-overlay h3 {
  font-size: 22px;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.collection-overlay p {
  font-size: 13px;
  opacity: 0.8;
  letter-spacing: 0.03em;
}

/* ===== BRAND VALUES (About intro) ===== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 32px;
  margin-top: 16px;
}

.value-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
}
.value-icon {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 16px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.value-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.value-item h4 {
  font-size: 16px;
  color: var(--green);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}
.value-item p { font-size: 13px; color: var(--text-lt); }

/* ===== ABOUT PAGE ===== */
.about-hero {
  background: linear-gradient(135deg, #3b5c47 0%, #2a4234 100%);
  color: var(--white);
  padding: 80px 24px;
  text-align: center;
}
.about-hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.about-hero p {
  font-size: 16px;
  opacity: 0.85;
  max-width: 560px;
  margin: 0 auto;
}

.about-body { max-width: 800px; margin: 0 auto; }
.about-body h2 {
  font-size: 26px;
  color: var(--green);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}
.about-body p { color: var(--text-lt); margin-bottom: 20px; line-height: 1.9; }

/* ===== PAGE HERO (non-homepage) ===== */
.page-hero {
  background: linear-gradient(135deg, #3b5c47 0%, #2a4234 100%);
  color: var(--white);
  padding: 60px 24px;
  text-align: center;
}
.page-hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: 0.08em;
}
.page-hero p { font-size: 14px; opacity: 0.75; margin-top: 8px; }

/* ===== SHIPPING PAGE ===== */
.info-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 40px;
  margin-bottom: 24px;
}
.info-box h3 {
  font-size: 18px;
  color: var(--green);
  margin-bottom: 14px;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
}
.info-box p, .info-box li {
  font-size: 14px;
  color: var(--text-lt);
  line-height: 1.9;
}
.info-box ul { padding-left: 20px; margin-top: 8px; }
.info-box li { margin-bottom: 6px; }
.highlight-box {
  background: #eef5ec;
  border-left: 3px solid var(--green);
  padding: 16px 20px;
  border-radius: 0 4px 4px 0;
  margin-top: 14px;
  font-size: 14px;
  color: var(--green);
  font-weight: 600;
}

/* ===== CONTACT PAGE ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
.contact-info h3 {
  font-size: 20px;
  color: var(--green);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}
.contact-item {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
  align-items: flex-start;
}
.contact-item-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #eef5ec;
  border-radius: 50%;
}
.contact-item-icon svg {
  width: 18px;
  height: 18px;
  stroke: var(--green);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.contact-item-text h4 {
  font-size: 13px;
  color: var(--text-lt);
  margin-bottom: 3px;
  letter-spacing: 0.04em;
}
.contact-item-text p {
  font-size: 15px;
  color: var(--text);
  line-height: 1.6;
}

.contact-form h3 {
  font-size: 20px;
  color: var(--green);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-lt);
  margin-bottom: 6px;
  letter-spacing: 0.03em;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 3px;
  font-family: inherit;
  font-size: 14px;
  background: var(--white);
  color: var(--text);
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.btn {
  display: inline-block;
  padding: 12px 32px;
  background: var(--green);
  color: var(--white);
  border: none;
  border-radius: 3px;
  font-family: inherit;
  font-size: 14px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 0.2s;
}
.btn:hover { background: var(--green-lt); }

/* ===== PRODUCT DETAIL ===== */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.product-detail-img img {
  width: 100%;
  border-radius: 4px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.10);
}
.product-detail-en {
  font-size: 13px;
  color: var(--text-lt);
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}
.product-detail-price {
  font-size: 30px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 20px;
}
.product-detail-desc {
  font-size: 15px;
  line-height: 1.95;
  color: var(--text-lt);
  margin-bottom: 28px;
}
.product-detail-meta {
  background: var(--cream);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 20px;
  margin-bottom: 28px;
}
.meta-row {
  display: flex;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  line-height: 1.6;
}
.meta-row:last-child { border-bottom: none; }
.meta-label {
  color: var(--text-lt);
  min-width: 48px;
  flex-shrink: 0;
  font-weight: 600;
}
.product-detail-usage h4 {
  font-size: 14px;
  color: var(--green);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.usage-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin-bottom: 32px;
}
.usage-list li {
  background: #eef5ec;
  color: var(--green);
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.02em;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-lt);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 3px;
  transition: color 0.2s, border-color 0.2s;
}
.back-link:hover { color: var(--green); border-color: var(--green); }

@media (max-width: 768px) {
  .product-detail-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ===== FOOTER ===== */
footer {
  background: #1e3028;
  color: rgba(255,255,255,0.65);
  padding: 48px 24px 24px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo { color: var(--white); font-size: 20px; margin-bottom: 12px; }
.footer-brand p { font-size: 13px; line-height: 1.8; }

.footer-links h4 {
  font-size: 13px;
  color: var(--white);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 12px; }

.payment-icons { display: flex; gap: 8px; align-items: center; }
.payment-icon {
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
  padding: 4px 8px;
  font-size: 11px;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.02em;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  nav { display: none; }
  nav.open { display: block; position: absolute; top: 72px; left: 0; right: 0; background: var(--white); border-bottom: 1px solid var(--border); padding: 16px 24px; }
  nav.open ul { flex-direction: column; gap: 16px; }
  .hamburger { display: flex; }

  .collection-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .carousel-btn { display: none; }
  header { position: relative; }
}

@media (max-width: 480px) {
  section { padding: 48px 16px; }
  .product-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
}