/* ============================================================
   TeaZen — Main Stylesheet
   Theme: Tea & Herbal Drinks | Japanese Zen Minimalism
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  --color-bg:          #F5F0E8;      /* warm cream */
  --color-surface:     #EDE7D9;      /* light parchment */
  --color-primary:     #2D5A3D;      /* deep forest green */
  --color-primary-lt:  #5A9E6F;      /* mid green */
  --color-accent:      #8B6914;      /* warm gold */
  --color-text:        #1C2418;      /* near-black */
  --color-muted:       #6B7563;      /* sage grey */
  --color-border:      #D4CBBA;      /* parchment border */
  --color-white:       #FDFAF4;      /* off-white */

  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --radius:  4px;
  --radius-lg: 8px;
  --max-w: 1160px;
  --section-py: 96px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; background: var(--color-bg); }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
}
h1 { font-size: clamp(2.6rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.9rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }
h4 { font-size: 1.1rem; }
p  { font-size: 1rem; color: var(--color-muted); line-height: 1.7; }

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 24px;
}
.section { padding-block: var(--section-py); }
.section--dark {
  background: var(--color-primary);
  color: var(--color-white);
}
.section--dark h2,
.section--dark h3,
.section--dark p { color: var(--color-white); }
.section--surface { background: var(--color-surface); }
.tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary-lt);
  margin-bottom: 16px;
}
.divider {
  width: 48px;
  height: 2px;
  background: var(--color-primary-lt);
  margin-block: 20px;
}
.divider--center { margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 13px 28px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: #234830;
  border-color: #234830;
}
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-outline--light {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}
.btn-outline--light:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.logo-wrap img {
  width: 44px;
  height: 44px;
}
.brand-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.04em;
}
.brand-name span {
  color: var(--color-accent);
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.site-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.site-nav a:hover { color: var(--color-primary); }
.nav-cta { margin-left: 12px; }
.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(--color-text);
}
.mobile-menu {
  display: none;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 24px;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 10px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  letter-spacing: 0.04em;
}

/* ============================================================
   SECTION 1 — HERO
   ============================================================ */
.hero {
  background: var(--color-bg);
  padding-block: 80px 0;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  min-height: 560px;
}
.hero-content { padding-bottom: 80px; }
.hero-content h1 { margin-bottom: 24px; }
.hero-content p { font-size: 1.1rem; max-width: 480px; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image {
  position: relative;
  height: 560px;
}
.hero-image .img-placeholder {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.hero-badge {
  position: absolute;
  bottom: 40px;
  left: -32px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}
.hero-badge .badge-icon { font-size: 1.8rem; }
.hero-badge strong { display: block; font-size: 0.95rem; color: var(--color-text); }
.hero-badge span { font-size: 0.8rem; color: var(--color-muted); }

/* ============================================================
   SECTION 2 — INTRO STATS / TRUST BAR
   ============================================================ */
.trust-bar {
  background: var(--color-primary);
  padding-block: 48px;
}
.trust-bar-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.trust-item strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1;
}
.trust-item p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
  margin-top: 6px;
}

/* ============================================================
   SECTION 3 — ABOUT / PHILOSOPHY
   ============================================================ */
.philosophy-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.philosophy-inner--centered {
  display: flex;
  flex-direction: column;
  text-align: center;
  align-items: center;
  justify-content: center;
}
.philosophy-inner--centered .philosophy-image {
  order: -1;
  max-width: 600px;
}
.philosophy-inner--centered .philosophy-content {
  max-width: 680px;
}

/* ============================================================
   SECTION 4 — TEA TYPES / CATEGORIES
   ============================================================ */
.categories-intro {
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 56px;
}
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.category-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.category-card .img-placeholder {
  width: 100%;
  height: 220px;
}
.category-card-body {
  padding: 24px;
}
.category-card-body h3 { margin-bottom: 8px; font-size: 1.2rem; }
.category-card-body p { font-size: 0.9rem; }

/* ============================================================
   SECTION 5 — BREWING GUIDE
   ============================================================ */
.brewing-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.brewing-steps { order: 1; }
.brewing-image { order: 2; }
.brewing-image .img-placeholder {
  width: 100%;
  height: 460px;
  border-radius: var(--radius-lg);
}
.step-list { margin-top: 32px; }
.step-item {
  display: flex;
  gap: 20px;
  padding-block: 20px;
  border-bottom: 1px solid var(--color-border);
}
.step-item:last-child { border-bottom: none; }
.step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
}
.step-item h4 { margin-bottom: 4px; color: var(--color-text); }
.step-item p { font-size: 0.9rem; }

/* ============================================================
   SECTION 6 — WELLNESS BENEFITS
   ============================================================ */
.benefits-intro {
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 56px;
}
.benefits-intro h2 { color: var(--color-white); }
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.benefit-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
}
.benefit-icon {
  width: 56px;
  height: 56px;
  margin-inline: auto;
  margin-bottom: 20px;
}
.benefit-card h4 { color: var(--color-white); margin-bottom: 8px; font-size: 1rem; }
.benefit-card p { font-size: 0.875rem; color: rgba(255,255,255,0.65); }

/* ============================================================
   SECTION 7 — ORIGIN / SOURCING
   ============================================================ */
.origin-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.origin-image .img-placeholder {
  width: 100%;
  height: 460px;
  border-radius: var(--radius-lg);
}
.origin-content h2 { margin-bottom: 16px; }
.origin-content p { margin-bottom: 16px; }
.origin-list { margin-top: 24px; }
.origin-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-block: 10px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-muted);
}
.origin-list li::before {
  content: '';
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary-lt);
}

/* ============================================================
   SECTION 8 — PRODUCTS
   ============================================================ */
.products-intro {
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 56px;
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.product-card .img-placeholder {
  width: 100%;
  height: 240px;
}
.product-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary-lt);
  margin-bottom: 8px;
}
.product-card-body h3 { font-size: 1.15rem; margin-bottom: 8px; }
.product-card-body p { font-size: 0.875rem; flex: 1; margin-bottom: 20px; }
.product-price {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}
.product-card-body .btn { align-self: flex-start; }

/* ============================================================
   SECTION 9 — TESTIMONIALS / QUOTE
   ============================================================ */
.testimonials-intro {
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 56px;
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.testimonial-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}
.star-icon {
  width: 16px;
  height: 16px;
  fill: var(--color-accent);
}
.testimonial-card blockquote {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--color-text);
  font-style: italic;
  margin-bottom: 24px;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  flex-shrink: 0;
  overflow: hidden;
}
.author-avatar-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.author-name { font-size: 0.875rem; font-weight: 600; color: var(--color-text); }
.author-loc  { font-size: 0.78rem; color: var(--color-muted); }

/* ============================================================
   SECTION 10 — CONTACTS
   ============================================================ */
.contacts-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contacts-info h2 { margin-bottom: 12px; }
.contacts-info > p { margin-bottom: 36px; }
.contact-items { display: flex; flex-direction: column; gap: 24px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-icon svg { width: 20px; height: 20px; }
.contact-item strong { display: block; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-muted); margin-bottom: 4px; }
.contact-item a, .contact-item p { font-size: 0.95rem; color: var(--color-text); }
.contact-item a:hover { color: var(--color-primary); }
.contacts-map .img-placeholder {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-text);
  color: var(--color-white);
  padding-block: 56px 32px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-col--brand {
  grid-column: 1;
}
.footer-col--brand .logo-wrap .brand-name { color: var(--color-white); }
.footer-col--brand .logo-wrap .brand-name span { color: var(--color-accent); }
.footer-col--brand p { font-size: 0.875rem; color: rgba(255,255,255,0.55); margin-top: 16px; max-width: 280px; }
.footer-col h5 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-bottom: 20px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
}
.footer-col ul li a:hover { color: var(--color-white); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.4); }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { font-size: 0.8rem; color: rgba(255,255,255,0.4); }
.footer-legal a:hover { color: rgba(255,255,255,0.8); }

/* ============================================================
   IMAGE PLACEHOLDER
   ============================================================ */
.img-placeholder {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.img-placeholder::after {
  content: attr(data-label);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* Image types */
.hero-img,
.philosophy-img,
.category-img,
.brewing-img,
.origin-img,
.product-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-img { border-radius: 8px 8px 0 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.philosophy-img { border-radius: 8px; width: 100%; max-height: 480px; object-fit: cover; display: block; }
.category-img { border-radius: 8px 8px 0 0; width: 100%; height: 220px; object-fit: cover; display: block; }
.brewing-img { border-radius: 8px; width: 100%; height: 460px; object-fit: cover; display: block; }
.origin-img { border-radius: 8px; width: 100%; height: 460px; object-fit: cover; display: block; }
.product-img { border-radius: 8px 8px 0 0; width: 100%; height: 240px; object-fit: cover; display: block; }

/* ============================================================
   ICONS (inline SVG helpers)
   ============================================================ */
.icon { display: inline-block; width: 1em; height: 1em; vertical-align: middle; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-inner,
  .philosophy-inner,
  .brewing-inner,
  .origin-inner,
  .contacts-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-image { height: 400px; order: -1; }
  .hero-content { padding-bottom: 0; }
  .hero-badge { left: 16px; bottom: 16px; }
  .brewing-steps { order: 2; }
  .brewing-image { order: 1; }
  .categories-grid,
  .products-grid,
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid .product-card:last-child { grid-column: 1 / -1; max-width: 50%; justify-self: center; }
  .categories-grid .category-card:last-child { grid-column: 1 / -1; max-width: 50%; justify-self: center; }
  .testimonials-grid .testimonial-card:last-child { grid-column: 1 / -1; max-width: 50%; justify-self: center; }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-bar-inner { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: repeat(2, 1fr); gap: 36px; }
}
@media (max-width: 768px) {
  :root { --section-py: 64px; }
  .site-nav { display: none; }
  .hamburger { display: flex; }
  .categories-grid,
  .products-grid,
  .testimonials-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr 1fr; }
  .trust-bar-inner { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 24px; }
}
@media (max-width: 480px) {
  .benefits-grid { grid-template-columns: 1fr; }
  .trust-bar-inner { grid-template-columns: 1fr 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-badge { position: relative; left: auto; bottom: auto; margin-top: 16px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}