/* ============================================
   MSF - My Sweater Factory
   Main Stylesheet
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #9c6b56;
  --color-primary-dark: #7a5242;
  --color-primary-light: #b8876f;
  --color-warm-bg: #f7f4ef;
  --color-warm-bg-alt: #faf8f4;
  --color-footer-bg: #a07060;
  --color-text: #333;
  --color-text-light: #666;
  --color-white: #fff;
  --color-dark: #1a1a1a;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 1200px;
  --section-padding: 100px 0;
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

/* --- Language Dropdown --- */
.lang-dropdown {
  position: relative;
  z-index: 1002;
}

.lang-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-white);
  padding: 4px 12px;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
}

.navbar.scrolled .lang-dropdown-toggle {
  color: var(--color-dark);
  border-color: rgba(0,0,0,0.2);
}

.lang-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  background: var(--color-white);
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  min-width: 120px;
  max-height: 320px;
  overflow-y: auto;
  list-style: none;
  padding: 0;
}

.lang-dropdown.open .lang-dropdown-menu {
  display: block;
}

.lang-dropdown-menu li {
  padding: 8px 16px;
  font-size: 0.85rem;
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition);
}

.lang-dropdown-menu li:hover {
  background: var(--color-warm-bg);
}

.lang-dropdown-menu li.active {
  color: var(--color-primary);
  font-weight: 600;
}

.lang-arrow {
  transition: transform var(--transition);
  display: inline-block;
  font-size: 0.65rem;
}

.lang-dropdown.open .lang-arrow {
  transform: rotate(180deg);
}

/* Sub-page language dropdown variant */
.sub-lang-dropdown .lang-dropdown-toggle {
  color: var(--color-primary);
  background: rgba(255,255,255,0.9);
  padding: 8px 16px;
  border-radius: 20px;
  border: none;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  font-weight: 500;
}

ul {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Placeholder images (留白) --- */
.placeholder-image {
  background: #eee;
  border: 1px dashed #ccc;
  position: relative;
}

.placeholder-image::after {
  content: '';
  display: block;
}

/* --- Warm Divider --- */
.warm-divider {
  height: 4px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--color-primary-light) 20%,
    var(--color-primary) 50%,
    var(--color-primary-light) 80%,
    transparent 100%
  );
  opacity: 0.3;
  max-width: 60%;
  margin: 0 auto;
}

/* --- Section Title --- */
.section-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 60px;
  color: var(--color-dark);
  letter-spacing: -0.02em;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.btn-primary {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn-primary:hover {
  background: var(--color-white);
  color: var(--color-dark);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-text);
  border-radius: 30px;
}

.btn-outline:hover {
  background: var(--color-text);
  color: var(--color-white);
}

.btn-dark {
  background: var(--color-dark);
  color: var(--color-white);
}

.btn-dark:hover {
  background: #333;
}

.btn-full {
  width: 100%;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 20px rgba(0,0,0,0.08);
  padding: 12px 0;
}

.navbar.scrolled .nav-logo .logo-text,
.navbar.scrolled .nav-menu a {
  color: var(--color-dark);
}

.navbar.scrolled .nav-toggle span {
  background: var(--color-dark);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo .logo-text {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-white);
  transition: color var(--transition);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition);
}

.nav-menu {
  display: flex;
  gap: 36px;
}

.nav-menu a {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-white);
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

.nav-menu a:hover {
  color: var(--color-primary-light);
}


/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-carousel {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.hero-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: inherit;
  background-size: cover;
  background-position: center;
  filter: blur(20px);
  transform: scale(1.1);
  z-index: 0;
}

.hero-slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: inherit;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 1;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide:not(.active) {
  content-visibility: hidden;
}

.hero-slide:not([style*="background-image"])::before,
.hero-slide:not([style*="background-image"])::after {
  display: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30,25,20,0.7) 0%, rgba(30,25,20,0.3) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  padding-top: 80px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
  margin-bottom: 12px;
  font-weight: 300;
}

.hero-features {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 36px;
  font-weight: 300;
}

.hero .btn-primary {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-dots {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  gap: 12px;
}

.hero-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: all var(--transition);
}

.hero-dot.active {
  background: var(--color-white);
  transform: scale(1.2);
}

/* Floating contact */
.floating-contact {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.float-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

.float-btn:hover {
  background: var(--color-primary-dark);
  transform: scale(1.1);
}

/* ============================================
   SECTIONS (shared)
   ============================================ */
.section {
  padding: var(--section-padding);
}

.section-products,
.section-services,
.section-order,
.section-contact {
  background: var(--color-warm-bg);
}

.section-about,
.section-process,
.section-blog {
  background: var(--color-white);
}

/* ============================================
   PRODUCTS
   ============================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 40px;
}

.product-card {
  text-align: center;
}

.product-image {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 4px;
  margin-bottom: 16px;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
}

.product-label {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
}

.section-products .btn-outline {
  display: block;
  max-width: 200px;
  margin: 0 auto;
}

/* ============================================
   ABOUT
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: 4px;
  background-size: cover;
  background-position: center;
}

.about-content p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.about-content .btn-outline {
  margin-top: 12px;
}

.about-subsection {
  margin-top: 60px;
}

.subsection-title {
  font-size: 1.3rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 30px;
  color: var(--color-dark);
}

.logo-grid {
  display: grid;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.logo-grid-3 { grid-template-columns: repeat(3, 1fr); max-width: 600px; }
.logo-grid-4 { grid-template-columns: repeat(4, 1fr); max-width: 750px; }
.logo-grid-5 { grid-template-columns: repeat(5, 1fr); }
.logo-grid-6 { grid-template-columns: repeat(6, 1fr); }
.logo-grid-7 { grid-template-columns: repeat(7, 1fr); max-width: 1100px; }

.logo-grid.cert-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 32px;
}

.logo-item.cert-item {
  padding: 12px;
  background: transparent;
  border: none;
  box-shadow: none;
}

.logo-item.cert-item img {
  max-width: 140px;
  max-height: 90px;
}

.logo-item {
  padding: 20px;
  background: var(--color-warm-bg);
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.logo-item img {
  max-width: 80px;
  max-height: 50px;
  object-fit: contain;
}

.logo-link {
  cursor: pointer;
  transition: all var(--transition);
}

.logo-link:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* ============================================
   SERVICES
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  background: var(--color-white);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.service-image {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-content {
  padding: 20px;
}

.service-content h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-dark);
}

.service-content p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-text-light);
}

.service-card {
  cursor: pointer;
}

.service-detail {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 0;
  overflow: hidden;
  background: rgba(30, 25, 20, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  transition: height 0.35s ease;
}

.service-card.expanded .service-detail {
  height: calc(100% - 0px);
}

.service-detail p {
  font-size: 0.82rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.95);
  text-align: center;
}

/* ============================================
   PROCESS
   ============================================ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.process-card {
  text-align: center;
  position: relative;
}

.process-image {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: 8px;
  margin-bottom: 20px;
}

.process-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin: -40px auto 16px;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 12px rgba(156, 107, 86, 0.3);
}

.service-content .process-number {
  width: 32px;
  height: 32px;
  font-size: 0.85rem;
  margin: 0 auto 8px;
}

.process-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-dark);
}

.process-card p {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--color-text-light);
}

/* ============================================
   ORDER OPTIONS
   ============================================ */
.order-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.order-card {
  background: var(--color-white);
  padding: 40px 30px;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  position: relative;
  transition: transform var(--transition);
  cursor: pointer;
}

.order-card:hover {
  transform: translateY(-4px);
}

.order-featured {
  border: 3px solid var(--color-primary);
  background: linear-gradient(135deg, #fff9f5 0%, var(--color-white) 100%);
}

.order-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-white);
  padding: 6px 20px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.order-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--color-dark);
}

.order-moq {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.order-card p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-light);
}

/* ============================================
   BLOG
   ============================================ */
.blog-placeholder {
  text-align: center;
  padding: 60px 20px;
}

.blog-placeholder p {
  font-size: 1.2rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-heading {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.contact-response-time {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--color-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  background: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group textarea {
  resize: vertical;
}

.upload-hint {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
  line-height: 1.5;
}

.file-upload-btn {
  display: inline-block;
  padding: 8px 20px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 0.85rem;
  cursor: pointer;
  background: var(--color-white);
  transition: all var(--transition);
}

.file-upload-btn:hover {
  border-color: var(--color-primary);
}

.file-name {
  font-size: 0.85rem;
  color: #999;
  margin-left: 12px;
}

.contact-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.contact-info {
  text-align: left;
}

.contact-info p {
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--color-text);
}

.qr-placeholder {
  width: 220px;
  height: 220px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: #999;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-footer-bg);
  color: rgba(255,255,255,0.9);
  padding: 60px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 2fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-white);
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--color-white);
  position: relative;
  padding-bottom: 12px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-white);
}

.footer-col ul li {
  margin-bottom: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
}

.footer-col ul li a:hover {
  color: var(--color-white);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.15);
}

.footer-tagline {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 24px;
  font-style: italic;
}

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
}

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: all var(--transition);
}

.social-icon:hover {
  background: rgba(255,255,255,0.3);
  transform: translateY(-2px);
}

.social-icon i {
  font-size: 16px;
}

.footer-phone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-white);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
  }

  .section-title {
    font-size: 1.6rem;
    margin-bottom: 40px;
  }

  /* Navbar mobile */
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 24px;
    transition: right var(--transition);
    box-shadow: -4px 0 20px rgba(0,0,0,0.1);
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-menu a {
    color: var(--color-dark);
    font-size: 1rem;
  }

  /* Hero */
  .hero {
    min-height: 100vh;
    min-height: 100svh;
  }

  .hero-slide {
    background-position: center top;
  }

  .hero-slide::before {
    filter: none;
    opacity: 0.3;
  }

  .hero-content {
    padding-top: 120px;
  }

  /* Products */
  .products-grid {
    grid-template-columns: 1fr;
    max-width: 320px;
    margin: 0 auto 40px;
  }

  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .logo-grid-7, .logo-grid-6, .logo-grid-5, .logo-grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }
  .logo-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Order Options */
  .order-grid {
    grid-template-columns: 1fr 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  /* Process */
  .process-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-qr {
    order: -1;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-brand {
    text-align: center;
  }

  /* Floating contact */
  .floating-contact {
    right: 12px;
  }

  .float-btn {
    width: 38px;
    height: 38px;
  }
}

@media (max-width: 480px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

  .hero-slide {
    background-position: 50% 30%;
  }

  .hero-title {
    font-size: 2rem;
  }

  .logo-grid-7, .logo-grid-6, .logo-grid-5, .logo-grid-4, .logo-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) and (orientation: landscape) {
  .hero-slide {
    background-position: center center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-slide {
    transition: opacity 0.3s ease-in-out;
  }

  .hero-slide::before {
    filter: none;
  }
}

/* ============================================
   SUBPAGES (shared)
   ============================================ */
.subpage-header { padding: 120px 0 60px; text-align: center; background: var(--color-warm-bg); }
.subpage-header h1 { font-family: var(--font-display); font-size: 2.5rem; color: var(--color-dark); margin-bottom: 12px; }
.subpage-header p { color: var(--color-text-light); }

.sub-nav { position: fixed; top: 20px; left: 0; right: 0; z-index: 1001; display: flex; justify-content: space-between; padding: 0 20px; pointer-events: none; }
.sub-nav > * { pointer-events: auto; }
.back-link { display: inline-flex; align-items: center; gap: 8px; color: var(--color-primary); font-weight: 500; background: rgba(255,255,255,0.9); padding: 8px 16px; border-radius: 20px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.back-link:hover { color: var(--color-primary-dark); }

/* About page */
.story-section { padding: 80px 0; }
.story-content { max-width: 800px; margin: 0 auto; }
.story-content p { font-size: 0.95rem; line-height: 2; color: var(--color-text-light); margin-bottom: 20px; }
.story-content p:first-child { font-size: 1.05rem; color: var(--color-text); font-weight: 400; }

.why-section { padding: 80px 0; background: var(--color-warm-bg); }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 1000px; margin: 0 auto; }
.why-card { background: var(--color-white); padding: 36px 28px; border-radius: 8px; text-align: center; box-shadow: 0 2px 12px rgba(0,0,0,0.06); transition: transform 0.3s ease; }
.why-card:hover { transform: translateY(-4px); }
.why-card-icon { width: 56px; height: 56px; border-radius: 50%; background: var(--color-primary); color: var(--color-white); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 1.3rem; }
.why-card h3 { font-size: 1.05rem; font-weight: 600; color: var(--color-dark); margin-bottom: 12px; }
.why-card p { font-size: 0.85rem; line-height: 1.7; color: var(--color-text-light); }

.cert-section { padding: 80px 0; }

/* Products page — Filter */
.products-filter { padding: 30px 0 0; }
.filter-bar { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.filter-btn {
  padding: 8px 20px; border: 1px solid var(--color-text); border-radius: 20px;
  background: transparent; cursor: pointer; font-family: var(--font-body);
  font-size: 0.85rem; color: var(--color-text); transition: all var(--transition);
}
.filter-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* Products page — Gallery grid */
.products-gallery { padding: 40px 0 80px; }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.gallery-card {
  border-radius: 8px; overflow: hidden; background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08); cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}
.gallery-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.12); }
.gallery-card-image { position: relative; aspect-ratio: 3/4; overflow: hidden; background: var(--color-warm-bg); }
.gallery-card-image img { width: 100%; height: 100%; object-fit: cover; }
.gallery-card-count {
  position: absolute; bottom: 8px; right: 8px;
  background: rgba(0,0,0,0.55); color: #fff;
  padding: 2px 10px; border-radius: 12px; font-size: 0.75rem;
}
.gallery-card-info { padding: 14px 16px; }
.gallery-card-brand { font-size: 0.7rem; text-transform: uppercase; color: var(--color-primary); font-weight: 600; letter-spacing: 0.5px; }
.gallery-card-title { font-size: 0.9rem; font-weight: 600; margin: 4px 0 2px; color: var(--color-dark); }
.gallery-card-comp { font-size: 0.8rem; color: var(--color-text-light); margin: 0; }

/* Products page — Lightbox */
.lightbox-modal {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,0.92); display: none;
  flex-direction: column; align-items: center; justify-content: center;
}
.lightbox-modal.active { display: flex; }
.lightbox-close {
  position: absolute; top: 20px; right: 24px; z-index: 2001;
  background: none; border: none; color: #fff; font-size: 2.5rem;
  cursor: pointer; line-height: 1; opacity: 0.7; transition: opacity 0.2s;
}
.lightbox-close:hover { opacity: 1; }
.lightbox-prev, .lightbox-next {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 2001;
  background: rgba(255,255,255,0.15); border: none; color: #fff;
  font-size: 2.5rem; width: 48px; height: 64px; cursor: pointer;
  border-radius: 4px; opacity: 0.7; transition: opacity 0.2s, background 0.2s;
}
.lightbox-prev:hover, .lightbox-next:hover { opacity: 1; background: rgba(255,255,255,0.25); }
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }
.lightbox-content { max-width: 90vw; max-height: 75vh; display: flex; align-items: center; justify-content: center; }
.lightbox-content img { max-width: 100%; max-height: 75vh; object-fit: contain; border-radius: 4px; }
.lightbox-info {
  color: rgba(255,255,255,0.85); font-size: 0.9rem; text-align: center;
  margin-top: 16px; padding: 0 20px;
}
.lightbox-counter {
  color: rgba(255,255,255,0.6); font-size: 0.8rem; text-align: center;
  margin-top: 8px;
}

/* Blog page */
.blog-list { padding: 80px 0; min-height: 50vh; }
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.blog-card { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.08); transition: transform 0.3s ease; }
.blog-card:hover { transform: translateY(-4px); }
.blog-card-image { width: 100%; aspect-ratio: 16/9; background: #eee; border-bottom: 1px dashed #ccc; }
.blog-card-content { padding: 20px; }
.blog-card-content h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; color: var(--color-dark); }
.blog-card-content p { font-size: 0.85rem; line-height: 1.6; color: var(--color-text-light); }
.blog-empty { text-align: center; padding: 100px 20px; color: var(--color-text-light); font-size: 1.2rem; }

/* Blog — homepage preview cards */
.blog-preview-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; max-width: 800px; margin: 0 auto; }
.blog-preview-card {
  background: var(--color-warm-bg); padding: 36px 28px; border-radius: 8px;
  text-align: center; box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease; display: block;
}
.blog-preview-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.1); }
.blog-preview-icon {
  width: 56px; height: 56px; border-radius: 50%; background: var(--color-primary);
  color: var(--color-white); display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px; font-size: 1.3rem;
}
.blog-preview-card h3 {
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 600;
  color: var(--color-dark); margin-bottom: 12px; line-height: 1.4;
}
.blog-preview-card p { font-size: 0.85rem; line-height: 1.7; color: var(--color-text-light); }

/* Blog — card enhancements for blog.html */
.blog-card { display: block; text-decoration: none; color: inherit; }
.blog-card-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  background: var(--color-warm-bg); color: var(--color-primary-light); font-size: 2.5rem;
}
.blog-card-date {
  display: block; font-size: 0.75rem; color: var(--color-primary); font-weight: 500;
  margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px;
}

/* Blog — article detail view */
.blog-article { max-width: 750px; margin: 0 auto; padding: 0 24px 80px; }
.blog-back-link {
  display: inline-flex; align-items: center; gap: 8px; color: var(--color-primary);
  font-weight: 500; font-size: 0.9rem; margin-bottom: 40px; transition: color var(--transition);
}
.blog-back-link:hover { color: var(--color-primary-dark); }
.blog-article-date {
  display: block; font-size: 0.8rem; color: var(--color-primary); font-weight: 500;
  margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.5px;
}
.blog-article-title {
  font-family: var(--font-display); font-size: 2.2rem; font-weight: 700;
  color: var(--color-dark); line-height: 1.3; margin-bottom: 36px; letter-spacing: -0.02em;
}
.blog-article-body { font-size: 1rem; line-height: 2; color: var(--color-text-light); }
.blog-article-body h2 {
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 700;
  color: var(--color-dark); margin-top: 48px; margin-bottom: 20px;
}
.blog-article-body p { margin-bottom: 20px; }
.blog-article-body ul { list-style: none; padding-left: 0; margin-bottom: 24px; }
.blog-article-body ul li { position: relative; padding-left: 20px; margin-bottom: 16px; line-height: 1.8; }
.blog-article-body ul li::before {
  content: ''; position: absolute; left: 0; top: 10px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--color-primary);
}
.blog-article-body strong { color: var(--color-dark); font-weight: 600; }

@media (max-width: 1024px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .why-grid { grid-template-columns: 1fr 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-preview-grid { grid-template-columns: 1fr; max-width: 400px; }
  .blog-article-title { font-size: 1.6rem; }
  .blog-article-body h2 { font-size: 1.25rem; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .lightbox-prev, .lightbox-next { width: 36px; height: 48px; font-size: 1.8rem; }
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
}

@media (max-width: 480px) {
  .why-grid { grid-template-columns: 1fr; }
  .filter-bar { gap: 8px; }
  .filter-btn { padding: 6px 14px; font-size: 0.8rem; }
}