/* ==========================================================================
   STRAW TOPPERS PDP COMPONENT (Strict Scoping #st-wrap)
   - Brand Teal & Coral Theme:
     * Primary Coral: #FF5E62 / #FF7B79
     * Fresh Ocean Teal: #0284C7 / #0EA5E9 / Soft Teal BG: rgba(14, 165, 233, 0.08)
     * Rich Indigo Slate: #0F172A / #1E293B
     * Neutral Accents: #F8FAFC / #FFFFFF / Borders: #E2E8F0
   - Center-aligned typography & mobile-responsive design
   ========================================================================== */
#st-wrap {
  --st-coral: #FF5E62;
  --st-coral-hover: #E84D51;
  --st-coral-bg: rgba(255, 94, 98, 0.1);
  --st-teal: #0284C7;
  --st-teal-light: #0EA5E9;
  --st-teal-bg: rgba(14, 165, 233, 0.08);
  --st-dark: #0F172A;
  --st-slate: #1E293B;
  --st-muted: #64748B;
  --st-line: #E2E8F0;
  --st-bg: #F8FAFC;
  --st-card: #FFFFFF;
  --st-head: 'Space Grotesk', -apple-system, sans-serif;
  --st-body: 'Plus Jakarta Sans', -apple-system, sans-serif;

  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
  background: var(--st-bg);
  color: var(--st-dark);
  font-family: var(--st-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding: 10px;
}

#st-wrap,
#st-wrap * {
  box-sizing: border-box;
}

#st-wrap h1, #st-wrap h2, #st-wrap h3, #st-wrap h4, #st-wrap p, #st-wrap ul, #st-wrap ol, #st-wrap figure {
  margin: 0;
  padding: 0;
}

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

/* CENTER ALIGNMENT UTILITY & HEADINGS */
.st-center-box {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  width: 100% !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

.st-section-header {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  text-align: center !important;
  width: 100% !important;
  max-width: 860px !important;
  margin: 0 auto 35px auto !important;
}

.st-section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--st-coral-bg);
  color: var(--st-coral);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.st-section-title {
  font-family: var(--st-head);
  font-size: 30px;
  font-weight: 700;
  color: var(--st-dark);
  line-height: 1.3;
  margin-bottom: 12px;
  text-align: center !important;
}

.st-section-desc {
  font-size: 15px;
  color: var(--st-muted);
  line-height: 1.6;
  max-width: 720px;
  text-align: center !important;
}

/* TOP ANNOUNCEMENT BAR */
.st-announcement {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  background: linear-gradient(90deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  padding: 10px 20px;
  border-radius: 12px;
  margin-bottom: 25px;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
}

.st-announcement-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.st-announcement-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--st-coral);
}

/* MARQUEE RUNNING TICKER */
.st-marquee-bar {
  background: linear-gradient(90deg, #0F172A 0%, #1E293B 50%, #0F172A 100%);
  color: #FFFFFF;
  padding: 14px 0;
  overflow: hidden;
  white-space: nowrap;
  margin-bottom: 45px;
  border-radius: 14px;
  position: relative;
  display: flex;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.15);
}

.st-marquee-track {
  display: inline-flex;
  gap: 36px;
  animation: stMarquee 28s linear infinite;
  font-family: var(--st-head);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.st-marquee-track:hover {
  animation-play-state: paused;
}

.st-marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.st-marquee-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--st-coral);
  box-shadow: 0 0 8px var(--st-coral);
}

@keyframes stMarquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* HERO BANNER */
.st-hero {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 55%, #0B3B60 100%);
  color: #FFFFFF;
  padding: 55px 40px;
  border-radius: 20px;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 36px -12px rgba(15, 23, 42, 0.4);
}

.st-hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(255, 94, 98, 0.22) 0%, transparent 70%);
  pointer-events: none;
}

.st-hero::after {
  content: "";
  position: absolute;
  bottom: -20%;
  left: 15%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.st-hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.st-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255, 94, 98, 0.18);
  border: 1px solid rgba(255, 94, 98, 0.4);
  color: #FF8A8D;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.st-hero h1 {
  font-family: var(--st-head);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 18px;
  color: #FFFFFF;
  text-align: center;
}

.st-hero h1 span {
  background: linear-gradient(90deg, #FF7B79 0%, #38BDF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.st-hero p {
  font-size: 16px;
  line-height: 1.65;
  color: #CBD5E1;
  max-width: 780px;
  margin-bottom: 30px;
  text-align: center;
}

.st-hero-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.st-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 13px;
  font-weight: 600;
  color: #F8FAFC;
}

.st-hero-badge svg {
  width: 16px;
  height: 16px;
  fill: #38BDF8;
}

/* CORE FEATURES 4-COL GRID */
.st-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 50px;
}

.st-feature-card {
  background: var(--st-card);
  border-radius: 16px;
  padding: 26px 20px;
  border: 1px solid var(--st-line);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.st-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px -6px rgba(15, 23, 42, 0.1);
  border-color: #CBD5E1;
}

.st-feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--st-teal-bg);
  color: var(--st-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.st-feature-icon svg {
  width: 26px;
  height: 26px;
}

.st-feature-card h3 {
  font-family: var(--st-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--st-dark);
  margin-bottom: 8px;
}

.st-feature-card p {
  font-size: 13.5px;
  color: var(--st-muted);
  line-height: 1.55;
}

/* INTERACTIVE SPOTLIGHT CAROUSEL (PURE CSS - ZERO JS DEPENDENCY) */
.st-carousel-section {
  margin-bottom: 55px;
  width: 100%;
}

.st-carousel-wrapper {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: var(--st-card);
  border: 1px solid var(--st-line);
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.06);
  width: 100% !important;
}

.st-carousel-slides {
  display: flex;
  width: 100%;
  animation: stSlideAnim 16s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

.st-carousel-wrapper:hover .st-carousel-slides {
  animation-play-state: paused;
}

@keyframes stSlideAnim {
  0%, 20% {
    transform: translateX(0%);
  }
  25%, 45% {
    transform: translateX(-100%);
  }
  50%, 70% {
    transform: translateX(-200%);
  }
  75%, 95% {
    transform: translateX(-300%);
  }
  100% {
    transform: translateX(0%);
  }
}

.st-carousel-slide {
  min-width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  background: #FFFFFF;
}

.st-slide-media {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #F8FAFC;
  display: flex;
  align-items: center;
  justify-content: center;
}

.st-slide-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.st-carousel-slide:hover .st-slide-media img {
  transform: scale(1.04);
}

.st-slide-content {
  padding: 44px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.st-slide-badge {
  display: inline-block;
  align-self: center;
  font-size: 11.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
  background: var(--st-coral-bg);
  color: var(--st-coral);
}

.st-slide-content h3 {
  font-family: var(--st-head);
  font-size: 24px;
  font-weight: 700;
  color: var(--st-dark);
  margin-bottom: 12px;
  line-height: 1.3;
}

.st-slide-content p {
  color: var(--st-muted);
  font-size: 14px;
  line-height: 1.65;
  margin-bottom: 22px;
  max-width: 500px;
}

.st-slide-bullets {
  list-style: none;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  margin: 0 auto 24px auto;
  text-align: left;
}

.st-slide-bullets li {
  font-size: 13.5px;
  color: #334155;
  display: flex;
  align-items: center;
  gap: 8px;
}

.st-slide-bullets li svg {
  width: 16px;
  height: 16px;
  fill: var(--st-teal);
  flex-shrink: 0;
}

.st-slide-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 22px;
}

.st-slide-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--st-teal);
  color: #FFFFFF;
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 700;
  padding: 10px 24px;
  border-radius: 8px;
  border: none;
  transition: background 0.2s, transform 0.2s;
}

.st-slide-btn:hover {
  background: #0369A1;
  transform: translateY(-2px);
}

/* PURE CSS SYNCHRONIZED DOTS */
.st-carousel-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 10;
}

.st-carousel-dot {
  height: 10px;
  border: none;
  padding: 0;
  display: block;
}

.st-carousel-wrapper:hover .st-carousel-dot {
  animation-play-state: paused;
}

.st-carousel-dot-1 {
  animation: stDotAnim1 16s infinite;
}

.st-carousel-dot-2 {
  animation: stDotAnim2 16s infinite;
}

.st-carousel-dot-3 {
  animation: stDotAnim3 16s infinite;
}

.st-carousel-dot-4 {
  animation: stDotAnim4 16s infinite;
}

@keyframes stDotAnim1 {
  0%, 20% { width: 28px; background: var(--st-coral); border-radius: 999px; }
  25%, 100% { width: 10px; background: rgba(15, 23, 42, 0.25); border-radius: 50%; }
}

@keyframes stDotAnim2 {
  0%, 20% { width: 10px; background: rgba(15, 23, 42, 0.25); border-radius: 50%; }
  25%, 45% { width: 28px; background: var(--st-coral); border-radius: 999px; }
  50%, 100% { width: 10px; background: rgba(15, 23, 42, 0.25); border-radius: 50%; }
}

@keyframes stDotAnim3 {
  0%, 45% { width: 10px; background: rgba(15, 23, 42, 0.25); border-radius: 50%; }
  50%, 70% { width: 28px; background: var(--st-coral); border-radius: 999px; }
  75%, 100% { width: 10px; background: rgba(15, 23, 42, 0.25); border-radius: 50%; }
}

@keyframes stDotAnim4 {
  0%, 70% { width: 10px; background: rgba(15, 23, 42, 0.25); border-radius: 50%; }
  75%, 95% { width: 28px; background: var(--st-coral); border-radius: 999px; }
  100% { width: 10px; background: rgba(15, 23, 42, 0.25); border-radius: 50%; }
}

/* PHOTO GALLERY SHOWCASE (11 IMAGES) */
.st-gallery-section {
  margin-bottom: 50px;
}

.st-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.st-gallery-card {
  background: var(--st-card);
  border-radius: 16px;
  border: 1px solid var(--st-line);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.st-gallery-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px -6px rgba(15, 23, 42, 0.12);
}

.st-gallery-img-box {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #F1F5F9;
  overflow: hidden;
  cursor: pointer;
}

.st-gallery-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.st-gallery-card:hover .st-gallery-img-box img {
  transform: scale(1.05);
}

.st-gallery-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(15, 23, 42, 0.78);
  backdrop-filter: blur(4px);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.st-gallery-zoom {
  position: absolute;
  bottom: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--st-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.2s ease;
}

.st-gallery-card:hover .st-gallery-zoom {
  opacity: 1;
  transform: scale(1);
}

.st-gallery-info {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex-grow: 1;
}

.st-gallery-category {
  font-size: 11px;
  font-weight: 700;
  color: var(--st-coral);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.st-gallery-info h4 {
  font-family: var(--st-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--st-dark);
  margin-bottom: 8px;
}

.st-gallery-info p {
  font-size: 13px;
  color: var(--st-muted);
  line-height: 1.5;
  margin-bottom: 12px;
}

.st-gallery-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: auto;
}

.st-mini-tag {
  padding: 3px 8px;
  background: #F1F5F9;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  color: #475569;
}

/* SIZING & COMPATIBILITY GUIDE */
.st-sizing-section {
  background: var(--st-card);
  border-radius: 20px;
  padding: 40px;
  border: 1px solid var(--st-line);
  margin-bottom: 50px;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
}

.st-sizing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-top: 25px;
}

.st-size-card {
  border-radius: 16px;
  padding: 28px;
  border: 2px solid var(--st-line);
  background: #F8FAFC;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all 0.25s ease;
}

.st-size-card.featured {
  border-color: var(--st-teal);
  background: linear-gradient(180deg, #F0F9FF 0%, #FFFFFF 100%);
  box-shadow: 0 8px 24px -4px rgba(2, 132, 199, 0.12);
}

.st-size-badge {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.st-size-card.featured .st-size-badge {
  background: rgba(2, 132, 199, 0.12);
  color: var(--st-teal);
}

.st-size-card:not(.featured) .st-size-badge {
  background: #E2E8F0;
  color: #475569;
}

.st-size-diameter {
  font-family: var(--st-head);
  font-size: 36px;
  font-weight: 700;
  color: var(--st-dark);
  line-height: 1;
  margin-bottom: 6px;
}

.st-size-sub {
  font-size: 13px;
  font-weight: 600;
  color: var(--st-muted);
  margin-bottom: 18px;
}

.st-size-list {
  list-style: none;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13.5px;
  color: #334155;
  text-align: left;
}

.st-size-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.45;
}

.st-size-list li svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  fill: var(--st-teal);
}

/* 6-STEP MANUFACTURING WORKFLOW */
.st-steps-section {
  margin-bottom: 50px;
}

.st-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.st-step-card {
  background: var(--st-card);
  border-radius: 16px;
  padding: 28px 22px;
  border: 1px solid var(--st-line);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.st-step-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px -4px rgba(15, 23, 42, 0.08);
  border-color: #CBD5E1;
}

.st-step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--st-coral-bg);
  color: var(--st-coral);
  font-family: var(--st-head);
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.st-step-card h3 {
  font-family: var(--st-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--st-dark);
  margin-bottom: 8px;
}

.st-step-card p {
  font-size: 13.5px;
  color: var(--st-muted);
  line-height: 1.55;
}

/* SPECIFICATIONS TABLE */
.st-specs-section {
  background: var(--st-card);
  border-radius: 20px;
  padding: 40px;
  border: 1px solid var(--st-line);
  margin-bottom: 50px;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
}

.st-specs-table-box {
  overflow-x: auto;
  width: 100%;
}

.st-specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  text-align: left;
}

.st-specs-table th,
.st-specs-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--st-line);
}

.st-specs-table th {
  background: #F8FAFC;
  font-family: var(--st-head);
  font-weight: 700;
  color: var(--st-dark);
  width: 28%;
}

.st-specs-table td {
  color: #334155;
}

.st-specs-table tr:last-child th,
.st-specs-table tr:last-child td {
  border-bottom: none;
}

/* PACKAGING & CUSTOMIZATION OPTIONS */
.st-options-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 50px;
}

.st-option-card {
  background: var(--st-card);
  border-radius: 16px;
  padding: 26px 22px;
  border: 1px solid var(--st-line);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}

.st-option-card h3 {
  font-family: var(--st-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--st-dark);
  margin: 12px 0 8px 0;
}

.st-option-card p {
  font-size: 13.5px;
  color: var(--st-muted);
  line-height: 1.55;
}

/* FAQ ACCORDION (Native details & summary) */
.st-faq-section {
  background: var(--st-card);
  border-radius: 20px;
  padding: 40px;
  border: 1px solid var(--st-line);
  margin-bottom: 50px;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  width: 100% !important;
  box-sizing: border-box !important;
}

.st-faq-list {
  display: flex !important;
  flex-direction: column !important;
  gap: 14px !important;
  width: 100% !important;
  max-width: 900px !important;
  margin: 0 auto !important;
  margin-left: auto !important;
  margin-right: auto !important;
  align-self: center !important;
  box-sizing: border-box !important;
}

.st-faq-item {
  width: 100% !important;
  border: 1px solid var(--st-line);
  border-radius: 12px;
  background: #F8FAFC;
  overflow: hidden;
  transition: all 0.2s ease;
  box-sizing: border-box !important;
}

.st-faq-item[open] {
  background: #FFFFFF;
  border-color: var(--st-teal);
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.08);
}

.st-faq-summary {
  padding: 16px 50px;
  font-family: var(--st-head);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--st-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  user-select: none;
}

.st-faq-summary::-webkit-details-marker {
  display: none;
}

.st-faq-summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--st-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--st-teal);
  transition: transform 0.2s ease;
}

.st-faq-item[open] .st-faq-summary::after {
  content: "−";
}

.st-faq-body {
  padding: 16px 35px 20px 35px;
  font-size: 14px;
  color: #475569;
  line-height: 1.65;
  border-top: 1px dashed var(--st-line);
  text-align: center;
  margin: 0 auto;
}

/* LIGHTBOX MODAL */
.st-lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.92);
  z-index: 999999;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.st-lightbox.active {
  display: flex;
}

.st-lightbox-content {
  position: relative;
  max-width: 900px;
  max-height: 90vh;
  background: #FFFFFF;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.st-lightbox-img {
  max-height: 75vh;
  object-fit: contain;
  background: #0F172A;
}

.st-lightbox-caption {
  padding: 16px 20px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--st-dark);
}

.st-lightbox-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: #FFFFFF;
  border: none;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease;
}

.st-lightbox-close:hover {
  background: rgba(0, 0, 0, 0.85);
}

/* RESPONSIVE BREAKPOINTS */
@media (max-width: 992px) {
  .st-carousel-slide {
    grid-template-columns: 1fr;
  }
  .st-slide-content {
    padding: 32px 24px;
  }
  .st-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .st-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .st-steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .st-options-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .st-hero {
    padding: 35px 20px;
  }
  .st-hero h1 {
    font-size: 26px;
  }
  .st-marquee-track {
    font-size: 12px;
    gap: 24px;
  }
  .st-carousel-arrow {
    width: 36px;
    height: 36px;
    font-size: 20px;
  }
  .st-carousel-arrow.prev { left: 8px; }
  .st-carousel-arrow.next { right: 8px; }
  .st-slide-content h3 {
    font-size: 20px;
  }
  .st-features-grid {
    grid-template-columns: 1fr;
  }
  .st-gallery-grid {
    grid-template-columns: 1fr;
  }
  .st-sizing-grid {
    grid-template-columns: 1fr;
  }
  .st-steps-grid {
    grid-template-columns: 1fr;
  }
  .st-sizing-section, .st-specs-section, .st-faq-section {
    padding: 25px 16px;
  }
}