/* =============================================================
   MEKONG SOURCE — MAIN CSS
   Wabi-Sabi Ceramic Design System
   ============================================================= */

/* ── 1. FONTS ── */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500;1,600&display=swap');

/* ── 2. CSS VARIABLES ── */
:root {
  --clay:          #A0522D;
  --clay-light:    #C07848;
  --clay-dark:     #7A3A1E;
  --stone:         #8B8680;
  --stone-light:   #B0ABA5;
  --cream:         #FAF0E6;
  --cream-dark:    #F0E4D0;
  --cream-deeper:  #E8D5BC;
  --charcoal:      #36454F;
  --charcoal-deep: #232F35;
  --charcoal-mid:  #2E3D46;
  --gold:          #D4AF37;
  --gold-light:    #E8C96A;
  --gold-pale:     #F5E5A0;
  --blush:         #E8C4B8;
  --matcha:        #6B7B3A;

  --font:          'Cormorant Garamond', Georgia, serif;

  --nav-height:    64px;

  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  --radius-sm:     2px;
  --radius-md:     4px;

  --shadow-soft:   0 2px 12px rgba(54, 69, 79, 0.08);
  --shadow-card:   0 4px 24px rgba(54, 69, 79, 0.1);

  --section-v:     clamp(4rem, 8vw, 7rem);
  --container:     1280px;
}

/* ── 3. RESET ── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--charcoal);
  background-color: var(--cream);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

input, button, textarea, select {
  font-family: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ── 4. GRAIN TEXTURE OVERLAY ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.55;
}

/* ── 5. TYPOGRAPHY ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--charcoal-deep);
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 3.25rem); }
h3 { font-size: clamp(1.35rem, 2.5vw, 2rem); }
h4 { font-size: 1.15rem; font-weight: 500; }
h5 { font-size: 0.875rem; font-weight: 500; letter-spacing: 0.08em; }
h6 { font-size: 0.75rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; }

p { line-height: 1.75; }

em { font-style: italic; }

strong { font-weight: 600; }

/* ── 6. LAYOUT ── */
.container {
  width: 100%;
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.5rem, 4vw, 5rem);
  padding-right: clamp(1.5rem, 4vw, 5rem);
}

.section {
  padding-top: var(--section-v);
  padding-bottom: var(--section-v);
}

.section--dark {
  background-color: var(--charcoal-deep);
  color: var(--cream);
}

.section--alt {
  background-color: var(--cream-dark);
}

.section--clay {
  background-color: var(--clay);
  color: var(--cream);
}

.section--charcoal {
  background-color: var(--charcoal-mid);
  color: var(--cream);
}

/* ── 7. GRID HELPERS ── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── 8. TYPOGRAPHY UTILITIES ── */
.text-gold    { color: var(--gold); }
.text-clay    { color: var(--clay); }
.text-stone   { color: var(--stone); }
.text-cream   { color: var(--cream); }
.text-charcoal { color: var(--charcoal-deep); }
.text-italic  { font-style: italic; }
.text-upper   { text-transform: uppercase; letter-spacing: 0.12em; }
.text-small   { font-size: 0.875rem; }
.text-xs      { font-size: 0.75rem; }
.text-center  { text-align: center; }

.label-tag {
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--clay);
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.label-tag::before {
  content: '';
  display: block;
  width: 2.25rem;
  height: 1px;
  background-color: currentColor;
  flex-shrink: 0;
}

.label-tag--gold { color: var(--gold); }
.label-tag--stone { color: var(--stone); }
.label-tag--cream { color: rgba(250,240,230,0.5); }

/* ── 9. DECORATIVE LINES ── */
.kintsugi-h {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--gold) 25%, var(--gold-light) 55%, var(--gold) 80%, transparent 100%);
  opacity: 0.55;
}

.kintsugi-h--top {
  position: relative;
}

.kintsugi-h--top::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold) 30%, var(--gold-light) 55%, var(--gold) 75%, transparent);
  opacity: 0.45;
}

.kintsugi-h--bottom::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold) 30%, var(--gold-light) 55%, var(--gold) 75%, transparent);
  opacity: 0.45;
}

.corner-accent {
  position: absolute;
  width: 6rem;
  height: 6rem;
  pointer-events: none;
}

.corner-accent--br {
  bottom: -1.5rem;
  left: -1.5rem;
  border-left: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
  opacity: 0.45;
}

.corner-accent--tl {
  top: -1.5rem;
  right: -1.5rem;
  border-right: 1px solid var(--gold);
  border-top: 1px solid var(--gold);
  opacity: 0.45;
}

/* ── 10. BUTTONS ── */
.btn {
  display: inline-block;
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.95rem 2.5rem;
  transition: background-color var(--transition-base),
              border-color var(--transition-base),
              color var(--transition-base),
              transform var(--transition-fast);
  cursor: pointer;
  line-height: 1;
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn--primary {
  background-color: var(--clay);
  color: var(--cream);
  border: 1px solid var(--clay);
}

.btn--primary:hover {
  background-color: var(--charcoal-deep);
  border-color: var(--charcoal-deep);
  transform: translateY(-1px);
}

.btn--ghost {
  background-color: transparent;
  color: var(--charcoal);
  border: 1px solid rgba(54,69,79,0.28);
}

.btn--ghost:hover {
  border-color: var(--clay);
  color: var(--clay);
}

.btn--ghost-cream {
  background-color: transparent;
  color: var(--cream);
  border: 1px solid rgba(250,240,230,0.4);
}

.btn--ghost-cream:hover {
  background-color: rgba(250,240,230,0.1);
}

.btn--gold {
  background-color: var(--gold);
  color: var(--charcoal-deep);
  border: 1px solid var(--gold);
}

.btn--gold:hover {
  background-color: var(--gold-light);
  border-color: var(--gold-light);
}

.btn--dark {
  background-color: var(--charcoal-deep);
  color: var(--cream);
  border: 1px solid var(--charcoal-deep);
}

.btn--dark:hover {
  background-color: var(--clay);
  border-color: var(--clay);
}

/* ── 11. PILLS & BADGES ── */
.pill {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 0.35rem 0.875rem;
  border: 1px solid currentColor;
  cursor: pointer;
  transition: color var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
}

.pill--stone {
  color: var(--stone);
  border-color: rgba(139,134,128,0.35);
}

.pill--stone:hover, .pill--stone.pill--active {
  color: var(--clay);
  border-color: var(--clay);
}

.badge {
  display: inline-block;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  padding: 0.3rem 0.7rem;
}

.badge--limited {
  background-color: rgba(212,175,55,0.15);
  border: 1px solid rgba(212,175,55,0.5);
  color: var(--gold);
}

.badge--premium {
  background-color: rgba(54,69,79,0.8);
  border: 1px solid rgba(212,175,55,0.3);
  color: var(--gold);
}

.badge--new {
  background-color: var(--matcha);
  color: var(--cream);
}

/* ── 12. FLAVOR / ORIGIN TAGS ── */
.tag-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  font-size: 0.75rem;
  padding: 0.3rem 0.875rem;
  border: 1px solid rgba(139,134,128,0.3);
  color: var(--stone);
  font-style: italic;
}

/* ── 13. BREADCRUMB ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 2rem;
}

.breadcrumb__sep { opacity: 0.4; }

.breadcrumb a:hover { color: var(--clay); }

/* ── 14. FORM ELEMENTS ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--stone);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background-color: var(--cream);
  border: 1px solid rgba(54,69,79,0.2);
  color: var(--charcoal);
  font-family: var(--font);
  font-size: 1rem;
  font-style: italic;
  font-weight: 300;
  padding: 0.875rem 1.25rem;
  outline: none;
  transition: border-color var(--transition-base);
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--clay);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(139,134,128,0.55);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%238B8680' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-checkboxes {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.95rem;
  font-style: italic;
  color: var(--charcoal);
}

.checkbox-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  border: 1px solid rgba(139,134,128,0.5);
  accent-color: var(--clay);
  cursor: pointer;
  flex-shrink: 0;
}

/* ── 15. ENTRY ANIMATIONS ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }
.fade-up:nth-child(5) { transition-delay: 0.4s; }

/* ── 16. UTILITY CLASSES (replacing all inline styles) ── */

/* Spacing */
.u-mt-1    { margin-top: 1rem; }
.u-mt-2    { margin-top: 2rem; }
.u-mt-2h   { margin-top: 2.5rem; }
.u-mt-35   { margin-top: 3.5rem; }
.u-mb-15   { margin-bottom: 1.5rem; }
.u-mb-35   { margin-bottom: 3.5rem; }
.u-mb-0    { margin-bottom: 0; }

/* Width constraints */
.container--narrow  { max-width: 640px; }
.container--mid     { max-width: 760px; }
.container--center  { text-align: center; }

/* Flex groups */
.btn-group-center {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.collection-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

/* Section CTA actions — centered button row */
.section-cta-actions {
  text-align: center;
  margin-top: 2rem;
}

/* FAQ list */
.faq-list {
  max-width: 720px;
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.faq-item {
  border-bottom: 1px solid rgba(139,134,128,0.2);
  padding-bottom: 1.25rem;
}

.faq-item__question {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--charcoal-deep);
  margin-bottom: 0.5rem;
}

.faq-item__answer {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--stone);
}

/* Dark section body text */
.dark-body-text {
  font-size: 1.1rem;
  font-style: italic;
  font-weight: 300;
  color: rgba(250,240,230,0.62);
  line-height: 1.85;
  margin: 0 auto;
  max-width: 56ch;
}

.dark-cta-text {
  font-size: 1.05rem;
  font-style: italic;
  color: rgba(250,240,230,0.68);
  margin: 1.5rem 0 2.5rem;
  line-height: 1.8;
}

/* Form group spacing inside wholesale form */
.form-group--mt { margin-top: 1.25rem; }

/* Tag strip with top margin */
.tag-strip--mt { margin-top: 2rem; }

/* Values grid spacing */
.values-grid--mt { margin-top: 2.5rem; }

/* Story value inline spacing (wholesale page) */
.story-value--mb { margin-bottom: 1.5rem; }

/* ── 17. RESPONSIVE BASE ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --section-v: 3rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .flex-between { flex-direction: column; gap: 1.5rem; }
}

@media (max-width: 480px) {
  .btn { padding: 0.85rem 1.75rem; font-size: 0.75rem; }
}