/* ===== KNA Omni Trading - Shared Site Styles =====
 * Referenced by ALL pages: <link rel="stylesheet" href="/css/site.css">
 * Page-specific styles live in their own file (e.g. catalog.css).
 * Header/Footer markup is injected by /js/site.js from /assets/*.htmlx
 *
 * Expected page skeleton:
 *   <div id="site-header"></div>
 *   <main class="page-body"> ...hero + content... </main>
 *   <div id="site-footer"></div>
 *   <script src="/js/site.js"></script>
 */

/* ===== VARIABLES ===== */
:root {
  --maroon: #800000;
  --maroon-dark: #660000;
  --pink: #f8a5c2;
  --pink-overlay: rgba(255, 192, 203, 0.8);      /* hero, logo-section, voucher boxes */
  --pink-overlay-soft: rgba(255, 240, 245, 0.8); /* partner boxes */
  --card-overlay: rgba(255, 255, 255, 0.8);      /* content card */
  --card-overlay-soft: rgba(255, 255, 255, 0.7); /* index boxes */
  --text: #2d3436;
  --text-light: #636e72;
  --border: #e0e0e0;
  --white: #ffffff;
  --black: #000000;
  --gold: #ffd700;
  --radius: 15px;
}

/* ===== RESET / BASE ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: url(/img/shopee-shop-background.jpg) no-repeat center center fixed;
  background-size: cover;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img { max-width: 100%; }

.page-body { flex: 1; }   /* pushes footer to bottom on short pages */

/* ===== HEADER (from assets/header.htmlx) ===== */
.site-header {
  background: var(--maroon);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.site-header img.logo { height: 36px; }

.site-header h1 {
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* ===== NAV (from assets/header.htmlx) =====
 * Desktop: inline centered links.
 * Mobile (<=768px): hamburger button toggles .nav-links.open
 */
.main-nav {
  background: var(--maroon-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.nav-links { padding: 0.5rem; }

.main-nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  margin: 0 1.2rem;
  font-weight: 500;
  font-size: 0.9rem;
  transition: color 0.2s;
  padding-bottom: 2px;
}

.main-nav a:hover { color: var(--white); }

.main-nav a.active {
  color: var(--white);
  border-bottom: 2px solid var(--pink);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.55rem 1rem;
}

@media (max-width: 992px) {
  .main-nav a { margin: 0 0.7rem; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; margin: 0 auto; }

  .nav-links {
    display: none;
    flex-direction: column;
    padding: 0 0 0.5rem;
    text-align: left;
  }

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

  .main-nav a {
    display: block;
    margin: 0;
    padding: 0.65rem 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .main-nav a.active {
    border-bottom: none;
    background: rgba(255, 255, 255, 0.08);
    border-left: 3px solid var(--pink);
  }
}

/* ===== HERO (per-page title block, all pages except index) ===== */
.hero-banner {
  background: var(--pink-overlay);
  padding: 2rem 1rem;
  text-align: center;
}

.hero-banner h2 {
  font-size: 1.6rem;
  color: var(--black);
  margin-bottom: 0.4rem;
}

.hero-banner p {
  color: var(--black);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .hero-banner { padding: 1.25rem 1rem; }
  .hero-banner h2 { font-size: 1.3rem; }
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 1rem;
}

@media (max-width: 768px) {
  .container { padding: 1.25rem 0.75rem; }
}

/* ===== CONTENT CARD (text pages: about, contact, terms, privacy, cookies) ===== */
.content-card {
  background: var(--card-overlay);
  padding: 1.75rem;
  border-radius: var(--radius);
}

.content-card h2 {
  color: var(--maroon);
  font-size: 1.3rem;
  margin: 1.25rem 0 0.6rem;
}

.content-card h2:first-child { margin-top: 0; }

.content-card h3 {
  color: var(--maroon);
  font-size: 1.1rem;
  margin: 1.1rem 0 0.5rem;
}

.content-card p { margin-bottom: 0.9rem; }
.content-card p:last-child { margin-bottom: 0; }

.content-card ul { margin: 0 0 0.9rem 1.25rem; }
.content-card li { margin-bottom: 0.35rem; }

.content-card a { color: var(--maroon); }

@media (max-width: 768px) {
  .content-card { padding: 1.1rem; }
}

/* ===== LOGO SECTION (index.html only) ===== */
.logo-section {
  text-align: center;
  padding: 1rem 1rem;
  background: var(--pink-overlay);
}

.logo-section img {
  width: 150px;
  height: auto;
}

.logo-section h1 {
  font-size: 1.8rem;
  color: var(--black);
  margin: 0.1rem 0 0.4rem;
}

.logo-section p {
  max-width: 700px;
  margin: 0 auto;
  color: var(--black);
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .logo-section { padding: 1.5rem 1rem; }
  .logo-section img { width: 110px; }
  .logo-section h1 { font-size: 1.4rem; }
}

/* ===== BOX GRID (index boxes, store/promotion/partners cards) =====
 * Default: 1 col mobile, 3 cols >=768px
 * .cols-2: 2 cols >=768px        (partners)
 * .cols-4: 2 cols >=768, 4 >=992 (promotion vouchers)
 */
.box-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .box-grid { grid-template-columns: repeat(3, 1fr); }
  .box-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
  .box-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
  .box-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ===== BOX (card inside .box-grid) =====
 * Default: white 70% card (index)
 * .pink  : pink card (promotion vouchers)
 * .soft  : lighter pink card (partners)
 * .plain : transparent (store marketplace cards)
 */
.box {
  background: var(--card-overlay-soft);
  padding: 1rem;
  border-radius: var(--radius);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.box.pink  { background: var(--pink-overlay); }
.box.soft  { background: var(--pink-overlay-soft); }
.box.plain { background: transparent; }

.box .box-img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: 0 auto 0.75rem;
}

.box .box-img-logo {          /* store marketplace logos */
  height: 120px;
  width: auto;
  border-radius: 0;
  margin: 0 auto 0.75rem;
}

.box .box-img-sm {            /* promotion voucher logos */
  height: 80px;
  width: 80px;
  object-fit: contain;
  border-radius: 0;
  margin: 0 auto 0.6rem;
}

.box .box-img-partner {       /* partners page logo */
  max-width: 200px;
  height: auto;
  margin: 0 auto 0.75rem;
}

.box h3 {
  font-size: 1.1rem;
  color: var(--black);
  margin-bottom: 0.4rem;
}

.box p {
  font-size: 0.9rem;
  color: var(--text);
}

.box .box-muted {
  color: var(--text-light);
  font-size: 0.85rem;
}

/* Clickable card wrapper (store marketplace links) */
a.card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform 0.2s;
}

a.card-link:hover { transform: translateY(-3px); }
a.card-link .box { height: 100%; }

/* ===== VOUCHERS (promotion.html) ===== */
.voucher-section { margin-bottom: 2rem; }
.voucher-section:last-child { margin-bottom: 0; }

.voucher-section h3 {
  text-align: center;
  color: var(--maroon);
  margin-bottom: 1rem;
}

.voucher-code {
  display: none;
  margin-top: 0.6rem;
  font-weight: 700;
}

.voucher-code.show { display: block; }

/* ===== SOCIAL LINKS (partners.html) ===== */
.social-links img {
  height: 45px;
  width: 45px;
  margin: 0 5px;
  vertical-align: middle;
}

/* ===== BUTTONS (cookie accept, reveal code) ===== */
.btn-accent {
  display: inline-block;
  background: var(--maroon);
  color: var(--white);
  border: none;
  border-radius: 6px;
  padding: 0.35rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-accent:hover { opacity: 0.85; }

/* ===== FOOTER (from assets/footer.htmlx) ===== */
.site-footer {
  background: var(--maroon);
  color: var(--white);
  text-align: center;
  padding: 1.5rem 1rem;
  margin-top: 0.5rem;
  font-size: 0.8rem;
}

.site-footer p { margin-bottom: 0.25rem; }
.site-footer p:last-child { margin-bottom: 0; }

.site-footer a {
  color: var(--white);
  text-decoration: none;
}

.site-footer a:hover { text-decoration: underline; }

/* ===== COOKIE BANNER (from assets/footer.htmlx, driven by site.js) ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.85);
  color: var(--white);
  text-align: center;
  padding: 0.75rem 1rem;
  z-index: 1000;
  font-size: 0.85rem;
}

.cookie-banner p {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.cookie-banner a {
  color: var(--gold);
  text-decoration: underline;
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }

/* ===== PROMO CAROUSELS (index.html) =====
 * Driven by /js/promo-carousel.js.
 * .wide   -> 2:1 festive banners (full container width)
 * .square -> 1:1 product promos (capped width, centered)
 * Slides always match the viewport ratio, so no cropping occurs.
 */
.promo-section { margin-bottom: 2.5rem; }
.promo-section:last-child { margin-bottom: 0; }

.promo-title {
  text-align: center;
  color: var(--maroon);
  font-size: 1.3rem;
  margin-bottom: 1rem;
  display:none;
}

.promo-carousel {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
  background: var(--white);
}

.promo-carousel.wide { aspect-ratio: 2 / 1; }

.promo-carousel.square {
  aspect-ratio: 1 / 1;
  max-width: 560px;
  margin: 0 auto;
}

.promo-track {
  display: flex;
  height: 100%;
  transition: transform 0.5s ease;
}

.promo-slide {
  flex: 0 0 100%;
  min-width: 0;
}

.promo-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: pointer;
}

.promo-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.5);
  color: var(--white);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background 0.2s;
}

.promo-arrow:hover { background: rgba(0, 0, 0, 0.7); }
.promo-arrow.prev { left: 10px; }
.promo-arrow.next { right: 10px; }

.promo-dots {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 8px;
  z-index: 10;
}

.promo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.65);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.promo-dot:hover { background: rgba(255, 255, 255, 0.9); }
.promo-dot.active {
  background: var(--maroon);
  transform: scale(1.2);
}

/* Translucent white panel behind index promo content (contrast vs page background) */
.promo-panel {
  background: var(--card-overlay);
  /* border-radius: var(--radius); */
  padding: 1.25rem;
}

@media (max-width: 768px) {
  .promo-section { margin-bottom: 1.75rem; }
  .promo-title { font-size: 1.15rem; }
  .promo-carousel.square { max-width: 100%; }
  .promo-arrow { width: 34px; height: 34px; font-size: 1rem; }
}

/* ===== CTA BUTTON (index.html) ===== */
.cta-row {
  text-align: center;
  margin-top: 0.5rem;
}

.btn-accent.btn-lg {
  padding: 0.7rem 1.6rem;
  font-size: 1rem;
  border-radius: 8px;
  text-decoration: none;
}

/* ===== PROMO GRID (index.html - /img/banners/productsN) =====
 * Static grids for product promo banners. Column count is applied by
 * /js/promo-carousel.js via .cols-2 / .cols-3 / .cols-4 (from config).
 * Grid blocks stack in page order; empty grids are hidden by JS.
 * Mobile: 3-col and 4-col grids collapse to 2 per row.
 */
.promo-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.promo-grid:last-child { margin-bottom: 0; }

.promo-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.promo-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.promo-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.promo-grid-item {
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
  background: var(--white);
  cursor: pointer;
  transition: transform 0.2s;
}

.promo-grid-item:hover { transform: translateY(-3px); }

.promo-grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 768px) {
  .promo-grid { gap: 0.75rem; }
  .promo-grid.cols-3,
  .promo-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
}