/* Premium REO SEO Landing Page Stylesheet for LINGUFY 2-in-1 Wireless CarPlay & Android Auto Adapter */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800;900&family=Noto+Sans+TC:wght@400;500;700;900&display=swap');

:root {
  --bg-dark: #060913;
  --bg-card: #0d1527;
  --bg-card-hover: #16223e;
  --bg-screen: #030712;
  --primary-shopee: #ee4d2d;
  --primary-shopee-hover: #d73211;
  --accent-cyan: #00f0ff;
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --accent-purple: #a855f7;
  --text-main: #f9fafb;
  --text-muted: #94a3b8;
  --text-sub: #cbd5e1;
  --border-color: rgba(0, 240, 255, 0.18);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  --shadow-main: 0 25px 50px -12px rgba(0, 0, 0, 0.85);
  --shadow-glow: 0 0 35px rgba(0, 240, 255, 0.25);
  --font-family: 'Plus Jakarta Sans', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-main);
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  background-image: radial-gradient(circle at 50% 0%, rgba(30, 58, 138, 0.15) 0%, transparent 60%);
}

/* Announcement Top Bar */
.announcement-bar {
  background: linear-gradient(90deg, #1e3a8a, #ee4d2d, #1e3a8a);
  color: #ffffff;
  text-align: center;
  padding: 9px 16px;
  font-size: 0.88rem;
  font-weight: 700;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.countdown-box {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  background: rgba(0, 0, 0, 0.45);
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  font-family: monospace;
  font-weight: 800;
  color: #fbbf24;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 9, 19, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 24px;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-main);
  font-size: 1.45rem;
  font-weight: 900;
  letter-spacing: 0.5px;
}

.brand-badge {
  background: linear-gradient(135deg, #00f0ff, #3b82f6);
  color: #000;
  font-size: 0.72rem;
  font-weight: 900;
  padding: 3px 9px;
  border-radius: var(--radius-full);
}

.nav-links {
  display: flex;
  gap: 22px;
  align-items: center;
  list-style: none;
}

.nav-links a {
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--accent-cyan);
}

.btn-nav-buy {
  background: linear-gradient(135deg, #ee4d2d, #f53d2d);
  color: white;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-weight: 800;
  font-size: 0.92rem;
  box-shadow: 0 4px 16px rgba(238, 77, 45, 0.5);
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-nav-buy:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(238, 77, 45, 0.7);
  color: white;
}

/* Layout Containers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 85px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 50px;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 240, 255, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 14px;
  line-height: 1.3;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* HERO SECTION */
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 45px;
  align-items: start;
  padding-top: 25px;
}

.hero-gallery {
  position: sticky;
  top: 90px;
}

.gallery-main {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-glow), var(--shadow-main);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-visual-card {
  width: 100%;
  height: 100%;
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at center, #172554 0%, #0d1527 75%);
  text-align: center;
  position: relative;
}

.dongle-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.lingufy-dongle-body {
  width: 130px;
  height: 80px;
  border-radius: 18px;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.45);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  position: relative;
  transition: all 0.3s;
}

.dongle-usb-plug {
  position: absolute;
  left: -22px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 38px;
  background: linear-gradient(90deg, #94a3b8, #cbd5e1);
  border-radius: 4px 0 0 4px;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.wifi-wave-pulse {
  position: absolute;
  right: -30px;
  font-size: 2rem;
  color: var(--accent-cyan);
  animation: pulse-wifi 1.6s infinite ease-in-out;
}

@keyframes pulse-wifi {
  0%, 100% { opacity: 0.3; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.15); filter: drop-shadow(0 0 10px #00f0ff); }
}

.gallery-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(0, 240, 255, 0.95);
  color: #000;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 900;
  box-shadow: 0 4px 12px rgba(0, 240, 255, 0.4);
}

/* HERO CONTENT */
.hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.store-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.badge-shopee {
  background: #ee4d2d;
  color: white;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: 4px;
}

.rating-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-sub);
}

.stars {
  color: #fbbf24;
  letter-spacing: 1px;
}

.product-title {
  font-size: 1.85rem;
  font-weight: 900;
  line-height: 1.35;
  color: var(--text-main);
}

.price-card {
  background: linear-gradient(145deg, rgba(20, 32, 60, 0.85), rgba(13, 21, 39, 0.95));
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

.current-price {
  font-size: 2.3rem;
  font-weight: 900;
  color: #ff7355;
}

.original-price {
  font-size: 1.15rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.discount-badge {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
  font-size: 0.82rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.coupons-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.coupon-tag {
  background: rgba(251, 191, 36, 0.12);
  border: 1px dashed #fbbf24;
  color: #fde68a;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

/* Variant Selector */
.variant-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.variant-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.variant-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.variant-btn:hover {
  border-color: var(--accent-cyan);
}

.variant-btn.active {
  border-color: #ee4d2d;
  background: rgba(238, 77, 45, 0.15);
  color: #ff7355;
  box-shadow: 0 0 12px rgba(238, 77, 45, 0.3);
}

/* Feature Bullets */
.bullet-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.bullet-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-sub);
}

.bullet-icon {
  color: var(--accent-green);
  font-weight: bold;
}

/* Shopee Redirect CTA */
.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.btn-primary-shopee {
  flex: 1;
  min-width: 240px;
  background: linear-gradient(135deg, #ee4d2d, #f53d2d);
  color: white;
  border: none;
  padding: 16px 28px;
  border-radius: var(--radius-md);
  font-size: 1.15rem;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(238, 77, 45, 0.5);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
}

.btn-primary-shopee:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(238, 77, 45, 0.7);
  color: white;
}

.btn-secondary-demo {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 16px 22px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-secondary-demo:hover {
  background: rgba(255, 255, 255, 0.12);
  color: white;
}

.guarantee-row {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* CARPLAY / ANDROID AUTO / APP INTERACTIVE SIMULATOR */
.simulator-bg {
  background: linear-gradient(180deg, #060913 0%, #0d1527 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.car-screen-mock {
  background: #030712;
  border: 3px solid #334155;
  border-radius: 26px;
  padding: 26px;
  max-width: 950px;
  margin: 0 auto;
  box-shadow: 0 0 60px rgba(0, 240, 255, 0.25);
}

.screen-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 14px;
  margin-bottom: 22px;
  flex-wrap: wrap;
  gap: 12px;
}

.mode-toggle-btns {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.mode-toggle-btn {
  background: #1e293b;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s;
}

.mode-toggle-btn.active {
  background: var(--accent-cyan);
  color: #000;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
}

.screen-app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.car-app-card {
  background: #162035;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 18px;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.car-app-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-cyan);
}

.car-app-icon {
  font-size: 2.3rem;
  margin-bottom: 8px;
}

/* APP SETTINGS VIEW */
.app-settings-view {
  background: #0f172a;
  border-radius: 16px;
  padding: 24px;
  border: 1px solid var(--border-color);
  display: none;
  text-align: left;
}

.app-settings-view.show {
  display: block;
}

.slider-row {
  margin: 16px 0;
}

.slider-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 8px;
}

/* COMPATIBILITY CHECKER TOOL */
.checker-card {
  background: #0f1626;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.checker-select {
  width: 100%;
  padding: 14px 18px;
  background: #162035;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  outline: none;
}

.checker-result-box {
  padding: 18px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
}

/* FEATURES GRID */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s;
}

.feature-box:hover {
  transform: translateY(-4px);
  border-color: var(--accent-cyan);
}

.feature-icon-wrapper {
  width: 54px;
  height: 54px;
  background: rgba(0, 240, 255, 0.12);
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  margin-bottom: 20px;
}

.feature-heading {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.feature-text {
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* COMPARISON TABLE */
.table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
}

.compare-table th,
.compare-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.95rem;
}

.compare-table th {
  background: #0f172a;
  color: var(--text-main);
  font-weight: 800;
}

.compare-table th.highlight-col,
.compare-table td.highlight-col {
  background: rgba(238, 77, 45, 0.1);
  border-left: 2px solid var(--primary-shopee);
  border-right: 2px solid var(--primary-shopee);
}

.check-green {
  color: var(--accent-green);
  font-weight: bold;
}

.cross-red {
  color: #f87171;
}

/* REVIEWS GRID */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
}

.review-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ee4d2d, #00f0ff);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
}

.user-name {
  font-size: 0.95rem;
  font-weight: 700;
}

.user-verified {
  font-size: 0.78rem;
  color: var(--accent-green);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.05rem;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform 0.3s;
  color: var(--accent-cyan);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px 24px;
}

/* FOOTER */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 0 100px;
  background: #04060c;
  color: var(--text-muted);
  font-size: 0.88rem;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
}

/* STICKY MOBILE BAR */
.sticky-buy-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(6, 9, 19, 0.96);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border-color);
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 99;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.sticky-buy-bar.show {
  transform: translateY(0);
}

.sticky-price {
  font-size: 1.25rem;
  font-weight: 900;
  color: #ff7355;
}

.sticky-title {
  font-size: 0.8rem;
  color: var(--text-muted);
}

@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; }
  .features-grid, .reviews-grid { grid-template-columns: 1fr; }
  .screen-app-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-gallery { position: static; }
  .bullet-list { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .product-title { font-size: 1.45rem; }
  .current-price { font-size: 1.85rem; }
}