@font-face {
  font-family: "Taipei Sans TC";
  src: url("../fonts/TaipeiSansTCBeta-Light.ttf") format("truetype");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Taipei Sans TC";
  src: url("../fonts/TaipeiSansTCBeta-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Taipei Sans TC";
  src: url("../fonts/TaipeiSansTCBeta-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-bg: #faf8f5;
  --color-bg-dark: #1a1a18;
  --color-surface: #ffffff;
  --color-text: #2c2a26;
  --color-text-muted: #6b6560;
  --color-accent: #3d5a45;
  --color-accent-light: #5a7d64;
  --color-warm: #c4a574;
  --color-border: #e8e4df;
  --font-serif: "Taipei Sans TC", "Microsoft JhengHei", sans-serif;
  --font-sans: "Taipei Sans TC", "Microsoft JhengHei", sans-serif;
  --shadow-sm: 0 2px 8px rgba(44, 42, 38, 0.06);
  --shadow-md: 0 8px 32px rgba(44, 42, 38, 0.1);
  --radius: 12px;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

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

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.logo span {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: 0.3s;
}

/* Hero */
.hero {
  padding: 6rem 0 5rem;
  text-align: center;
}

.hero-eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-warm);
  margin-bottom: 1rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  border-radius: 999px;
  transition: all 0.25s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
  margin-left: 0.75rem;
}

.btn-outline:hover {
  background: var(--color-accent);
  color: #fff;
}

/* Products grid */
.section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--color-text-muted);
  max-width: 520px;
  margin: 0 auto;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.product-image {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
  background: #f0ebe3;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.04);
}

.product-image--pot {
  background: linear-gradient(135deg, #e8dfd0 0%, #c9b99a 100%);
}

.product-image--chopsticks {
  background: linear-gradient(135deg, #d4e4d9 0%, #8fb396 100%);
}

.product-image--cup {
  background: linear-gradient(135deg, #dce4ed 0%, #9bb0c4 100%);
}

.product-hero-visual {
  overflow: hidden;
  padding: 0;
  font-size: 0;
  background: #f0ebe3;
}

.product-hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.gallery-grid figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: #f0ebe3;
  aspect-ratio: 4 / 3;
}

.gallery-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-body {
  padding: 1.75rem;
}

.product-tag {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-warm);
  margin-bottom: 0.5rem;
}

.product-body h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.product-body p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.product-link {
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.product-link:hover {
  text-decoration: underline;
}

/* Brand story */
.brand-story {
  background: var(--color-bg-dark);
  color: #f0ede8;
}

.brand-story .section-header h2 {
  color: #fff;
}

.brand-story .section-header p {
  color: #a8a39c;
}

.story-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2.5rem;
  margin-top: 1rem;
}

.story-item h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--color-warm);
}

.story-item p {
  font-size: 0.9rem;
  color: #a8a39c;
  line-height: 1.8;
}

/* Product detail page */
.product-hero {
  padding: 4rem 0 3rem;
}

.product-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.product-hero-visual {
  aspect-ratio: 1;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  box-shadow: var(--shadow-md);
}

.product-hero-content h1 {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.product-hero-content .subtitle {
  color: var(--color-warm);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.product-hero-content .tagline {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.product-hero-content p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.features-list {
  list-style: none;
  margin-bottom: 2rem;
}

.features-list li {
  padding: 0.6rem 0;
  padding-left: 1.5rem;
  position: relative;
  font-size: 0.95rem;
}

.features-list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--color-warm);
  font-size: 0.7rem;
  top: 0.75rem;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2rem;
}

.specs-table th,
.specs-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.specs-table th {
  width: 30%;
  color: var(--color-text-muted);
  font-weight: 400;
}

/* Proof / stats */
.proof-section {
  padding: 3.5rem 0;
  background: linear-gradient(180deg, #f3efe8 0%, var(--color-bg) 100%);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  text-align: center;
}

.proof-item strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--color-accent);
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 0.4rem;
}

.proof-item span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

/* How-to / feature blocks */
.feature-blocks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.feature-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.feature-block h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.feature-block p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  counter-reset: step;
}

.step {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.5rem 1.25rem;
  border: 1px solid var(--color-border);
  position: relative;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
}

.step h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
}

.step p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

/* Elegant usage guide */
.usage-guide {
  background: linear-gradient(180deg, #fff 0%, #f7f3ec 100%);
  padding: 5rem 0;
}

.usage-guide .section-header {
  margin-bottom: 2.5rem;
}

.usage-guide-follow {
  margin-top: 3.25rem;
}

.product-video {
  max-width: 920px;
  margin: 0 auto 0.5rem;
}

.product-video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 18px;
  overflow: hidden;
  background: #1a1814;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.product-video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.product-video-note {
  margin: 0.85rem 0 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.product-video-note a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.usage-timeline {
  display: grid;
  gap: 1.5rem;
  max-width: 920px;
  margin: 0 auto;
}

.usage-step {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1.5rem;
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.usage-step:nth-child(even) {
  grid-template-columns: 1fr 200px;
}

.usage-step:nth-child(even) .usage-copy {
  order: -1;
}

.usage-visual {
  aspect-ratio: 1;
  background: #f0ebe3;
  overflow: hidden;
}

.usage-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.usage-copy {
  padding: 1.4rem 1.5rem 1.5rem;
}

.usage-copy .step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  padding: 0 .55rem;
  border-radius: 999px;
  background: var(--color-accent);
  color: #fff;
  font-size: .8rem;
  letter-spacing: .06em;
  margin-bottom: .7rem;
}

.usage-copy h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: .45rem;
}

.usage-copy p {
  color: var(--color-text-muted);
  font-size: .92rem;
  line-height: 1.75;
  margin: 0;
}

.usage-tip {
  max-width: 920px;
  margin: 1.75rem auto 0;
  padding: 1.15rem 1.35rem;
  border-left: 3px solid var(--color-warm);
  background: rgba(255,255,255,.7);
  color: var(--color-text-muted);
  font-size: .92rem;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .usage-step,
  .usage-step:nth-child(even) {
    grid-template-columns: 1fr;
  }

  .usage-step:nth-child(even) .usage-copy {
    order: 0;
  }

  .usage-visual {
    aspect-ratio: 16 / 10;
  }
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 0;
}

.faq-item h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.faq-item p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

/* Tea menu */
.tea-hero {
  padding: 4.5rem 0 3rem;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(250,248,245,.2), rgba(250,248,245,.92)),
    url("../images/tea-menu-hero.png") center/cover no-repeat;
}

.tea-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: .75rem;
}

.tea-hero p {
  max-width: 640px;
  margin: 0 auto;
  color: var(--color-text-muted);
}

.tea-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 2rem 0 3rem;
}

.tea-flow-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}

.tea-flow-item strong {
  display: block;
  font-size: 1.4rem;
  color: var(--color-accent);
  margin-bottom: .4rem;
}

.tea-flow-item span {
  font-size: .88rem;
  color: var(--color-text-muted);
}

.tea-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.tea-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius) + 2px);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: box-shadow .25s ease, transform .25s ease;
}

.tea-card:hover {
  box-shadow: var(--shadow-md, 0 12px 32px rgba(0,0,0,.08));
  transform: translateY(-2px);
}

.tea-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #e8e2d8;
}

.tea-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .45s ease;
}

.tea-card:hover .tea-card-media img {
  transform: scale(1.04);
}

.tea-card-media-fallback {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #e8dfd2, #d4c8b8);
}

.tea-card-media-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.1rem 1.15rem;
  background: linear-gradient(180deg, rgba(20,16,12,0) 35%, rgba(20,16,12,.72) 100%);
  color: #fff;
  pointer-events: none;
}

.tea-card .tea-num {
  font-size: .72rem;
  letter-spacing: .14em;
  color: #f0d9a8;
  margin-bottom: .35rem;
}

.tea-ingredients {
  font-size: .88rem;
  font-weight: 500;
  letter-spacing: .04em;
  margin: 0;
  text-shadow: 0 1px 8px rgba(0,0,0,.35);
}

.tea-card-body {
  padding: 1.35rem 1.4rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.tea-card-head {
  margin-bottom: .85rem;
}

.tea-card h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin-bottom: .2rem;
  line-height: 1.25;
}

.tea-card .tea-en {
  font-size: .82rem;
  color: var(--color-text-muted);
  margin: 0;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.tea-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .5rem;
  margin-bottom: 1.1rem;
}

.tea-meta span {
  font-size: .72rem;
  background: #f3efe8;
  color: var(--color-accent);
  border-radius: var(--radius);
  padding: .45rem .55rem;
  line-height: 1.35;
  text-align: center;
}

.tea-meta span em {
  display: block;
  font-style: normal;
  font-size: .65rem;
  letter-spacing: .08em;
  color: var(--color-warm);
  margin-bottom: .15rem;
}

.tea-card-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.25rem;
  margin-top: auto;
}

.tea-detail-block h4 {
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin: 0 0 .45rem;
  color: var(--color-warm);
}

.tea-card ol,
.tea-card ul {
  margin: 0;
  padding-left: 1.05rem;
  color: var(--color-text-muted);
  font-size: .86rem;
  line-height: 1.55;
}

.tea-card li { margin-bottom: .28rem; }

.tea-menu-section {
  padding-top: 2rem;
  padding-bottom: 3rem;
}

.tea-menu-header {
  margin-top: 1rem;
}

@media (max-width: 960px) {
  .tea-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .tea-flow { grid-template-columns: 1fr 1fr; }
  .tea-meta { grid-template-columns: 1fr; }
  .tea-card-details { grid-template-columns: 1fr; }
}

.cta-band {
  text-align: center;
  padding: 3.5rem 0;
  background: var(--color-bg-dark);
  color: #f0ede8;
}

.cta-band h2 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
}

.cta-band p {
  color: #a8a39c;
  margin-bottom: 1.5rem;
}

.contact-info {
  text-align: center;
  margin-bottom: 1rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.contact-info a {
  color: var(--color-accent);
}

/* About & Contact */
.page-hero {
  padding: 4rem 0 2rem;
  text-align: center;
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.page-hero p {
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.content-block {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.content-block h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
}

.content-block p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.contact-form {
  max-width: 520px;
  margin: 2rem auto 4rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--color-surface);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* Footer */
.site-footer {
  background: var(--color-bg-dark);
  color: #a8a39c;
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-brand .logo {
  color: #f0ede8;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.8;
}

.footer-col h4 {
  color: #f0ede8;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: #f0ede8;
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg);
    padding: 1.5rem 2rem;
    gap: 1rem;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    padding: 4rem 0 3rem;
  }

  .btn-outline {
    margin-left: 0;
    margin-top: 0.75rem;
  }

  .product-hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}