/* ============================================
   LG Remote – Global Stylesheet
   Design: Dark + Neon Red Glassmorphism
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  --bg: #000000;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.1);
  --accent: #FF2D55;
  --accent-glow: rgba(255, 45, 85, 0.35);
  --accent-soft: rgba(255, 45, 85, 0.12);
  --text: #FFFFFF;
  --text-secondary: #A0A0A0;
  --text-muted: #666666;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --max-w: 1200px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  text-rendering: optimizeSpeed;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { opacity: 0.85; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.6rem); }
p { color: var(--text-secondary); line-height: 1.7; }

/* ---------- Layout ---------- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
@media (max-width: 768px) { .section { padding: 64px 0; } .container { padding: 0 20px; } }
@media (max-width: 480px) { .section { padding: 48px 0; } .container { padding: 0 16px; } }
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title { margin-bottom: 20px; }
.section-subtitle { max-width: 600px; margin: 0 auto 48px; font-size: 1.1rem; }
.text-center { text-align: center; }

/* ---------- Glow Text ---------- */
.glow-text {
  color: var(--accent);
  text-shadow: 0 0 30px var(--accent-glow), 0 0 60px rgba(255, 45, 85, 0.15);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  min-height: 48px;
}
@media (max-width: 480px) {
  .btn { padding: 12px 24px; font-size: 0.95rem; }
  .btn-sm { padding: 10px 20px; font-size: 0.85rem; }
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 24px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px var(--accent-glow);
  opacity: 1;
}
.btn-secondary {
  background: var(--glass);
  color: var(--text);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  opacity: 1;
}
.btn-sm { padding: 10px 24px; font-size: 0.9rem; }

/* ---------- Glass Card ---------- */
.glass-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 32px;
  transition: var(--transition);
}
.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 45, 85, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(255, 45, 85, 0.08);
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 12px 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.nav-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--text); opacity: 1; }
.nav-cta { margin-left: 8px; }
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile Nav */
@media (max-width: 768px) {
  .mobile-toggle { display: flex; padding: 10px; min-width: 44px; min-height: 44px; justify-content: center; align-items: center; }
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    height: 100dvh;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 24px;
    transition: var(--transition);
    border-left: 1px solid var(--glass-border);
    overscroll-behavior: contain;
  }
  .nav-links.open { right: 0; }
  .nav-links a { font-size: 1.1rem; min-height: 44px; display: flex; align-items: center; }
  .nav-cta { margin-left: 0; margin-top: 16px; }
  .nav-inner { padding: 0 16px; }
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  top: -100px;
  right: -150px;
  pointer-events: none;
  animation: pulse-glow 6s ease-in-out infinite;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-content { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 50px;
  background: var(--accent-soft);
  border: 1px solid rgba(255, 45, 85, 0.2);
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 24px;
}
.hero h1 { margin-bottom: 20px; }
.hero p { font-size: 1.15rem; margin-bottom: 32px; max-width: 520px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--glass-border);
}
.hero-stat strong { display: block; font-size: 1.5rem; color: var(--text); }
.hero-stat span { font-size: 0.85rem; color: var(--text-muted); }
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-phone {
  max-width: 320px;
  border-radius: 40px;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 20px 60px rgba(255, 45, 85, 0.2));
}
.hero-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 1;
  animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.1); }
}

@media (max-width: 768px) {
  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero p { margin-left: auto; margin-right: auto; font-size: 1.05rem; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; gap: 24px; margin-top: 32px; padding-top: 24px; }
  .hero-stat strong { font-size: 1.25rem; }
  .hero-visual { margin-top: 0; }
  .hero-phone { max-width: 260px; }
  .hero::before { width: 350px; height: 350px; right: -100px; top: -50px; }
}
@media (max-width: 480px) {
  .hero { padding: 90px 0 48px; }
  .hero h1 { font-size: 1.9rem; }
  .hero p { font-size: 1rem; margin-bottom: 24px; }
  .hero-buttons { flex-direction: column; align-items: center; gap: 12px; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .hero-stats { flex-wrap: wrap; gap: 16px; justify-content: center; }
  .hero-phone { max-width: 220px; }
}

/* ---------- Features Grid ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card { text-align: center; }
.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.6rem;
}
.feature-card h3 { margin-bottom: 10px; font-size: 1.15rem; }
.feature-card p { font-size: 0.95rem; }

@media (max-width: 768px) {
  .features-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .feature-card { padding: 24px 16px; }
  .feature-icon { width: 52px; height: 52px; font-size: 1.3rem; }
}
@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
}

/* ---------- How It Works ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}
.step-card { text-align: center; position: relative; }
.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 auto 20px;
  box-shadow: 0 4px 24px var(--accent-glow);
}
.step-card h3 { margin-bottom: 8px; }

@media (max-width: 768px) {
  .steps-grid { grid-template-columns: 1fr; gap: 32px; }
  .step-number { width: 48px; height: 48px; font-size: 1.1rem; }
}

/* ---------- Screenshots ---------- */
.screenshots-scroll {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 20px 0;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.screenshots-scroll::-webkit-scrollbar { display: none; }
.screenshot-item {
  flex: 0 0 260px;
  scroll-snap-align: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}
.screenshot-item:hover {
  transform: scale(1.03);
  border-color: rgba(255, 45, 85, 0.3);
  box-shadow: 0 8px 32px rgba(255, 45, 85, 0.1);
}
.screenshot-item img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- Trust Section ---------- */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.trust-item {
  text-align: center;
  padding: 32px 16px;
}
.trust-item .trust-icon { font-size: 2rem; margin-bottom: 12px; }
.trust-item strong { display: block; font-size: 1.5rem; margin-bottom: 4px; }
.trust-item span { font-size: 0.9rem; color: var(--text-muted); }

@media (max-width: 768px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .trust-item { padding: 24px 12px; }
  .trust-item strong { font-size: 1.25rem; }
}
@media (max-width: 480px) {
  .trust-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
}

/* ---------- SEO Content Block ---------- */
.seo-content {
  max-width: 800px;
  margin: 0 auto;
}
.seo-content h2 { margin-bottom: 16px; margin-top: 40px; }
.seo-content h3 { margin-bottom: 12px; margin-top: 32px; color: var(--text); }
.seo-content p { margin-bottom: 16px; }
.seo-content ul { margin-bottom: 16px; padding-left: 20px; }
.seo-content ul li {
  color: var(--text-secondary);
  margin-bottom: 8px;
  position: relative;
  padding-left: 20px;
}
.seo-content ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, rgba(255, 45, 85, 0.15) 0%, rgba(255, 45, 85, 0.05) 100%);
  border: 1px solid rgba(255, 45, 85, 0.2);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
@media (max-width: 768px) {
  .cta-banner { padding: 48px 24px; border-radius: var(--radius); }
}
@media (max-width: 480px) {
  .cta-banner { padding: 36px 20px; }
  .cta-banner .btn { width: 100%; justify-content: center; }
}
.cta-banner::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}
.cta-banner h2 { margin-bottom: 16px; position: relative; z-index: 2; }
.cta-banner p { margin-bottom: 32px; position: relative; z-index: 2; }
.cta-banner .btn { position: relative; z-index: 2; }

/* ---------- Footer ---------- */
.footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--glass-border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p { margin-top: 12px; font-size: 0.9rem; max-width: 280px; }
.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: var(--text-secondary);
  font-size: 0.95rem;
  padding: 4px 0;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .footer { padding: 48px 0 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 32px; }
  .footer-col a { padding: 6px 0; min-height: 44px; display: flex; align-items: center; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand p { max-width: 100%; }
}

/* ---------- Blog ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.blog-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}
.blog-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 45, 85, 0.2);
  box-shadow: 0 12px 40px rgba(255, 45, 85, 0.08);
}
.blog-card-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, var(--accent-soft), rgba(255, 45, 85, 0.03));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}
.blog-card-body { padding: 24px; }
.blog-card-meta {
  display: flex;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.blog-card-meta .category {
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.blog-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.blog-card h3 a { color: var(--text); }
.blog-card h3 a:hover { color: var(--accent); }
.blog-card p { font-size: 0.9rem; margin-bottom: 16px; }
.blog-card .read-more {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}

@media (max-width: 768px) {
  .blog-grid { grid-template-columns: 1fr; gap: 24px; }
  .blog-card-body { padding: 20px; }
}

/* ---------- Article ---------- */
.article-header {
  padding: 140px 0 60px;
  text-align: center;
}
.article-header .breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.article-header .breadcrumb a { color: var(--text-secondary); }
.article-header h1 { max-width: 800px; margin: 0 auto 16px; }
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.article-body {
  max-width: 760px;
  margin: 0 auto;
  padding-bottom: 80px;
}
.article-body h2 {
  margin-top: 48px;
  margin-bottom: 16px;
  padding-top: 16px;
}
.article-body h3 {
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--text);
}
.article-body p {
  margin-bottom: 16px;
  font-size: 1.05rem;
  line-height: 1.8;
}
@media (max-width: 480px) {
  .article-header { padding: 110px 0 40px; }
  .article-header h1 { font-size: 1.6rem; }
  .article-meta { flex-wrap: wrap; gap: 12px; justify-content: center; }
  .article-body { padding-bottom: 48px; }
  .article-body p, .article-body li { font-size: 1rem; }
  .article-body h2 { font-size: 1.35rem; margin-top: 36px; }
  .article-body .article-cta { padding: 28px 20px; margin: 32px 0; }
  .article-body .article-cta .btn { width: 100%; justify-content: center; }
}
.article-body ul, .article-body ol {
  margin-bottom: 16px;
  padding-left: 24px;
}
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li {
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-size: 1.05rem;
  line-height: 1.7;
}
.article-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--glass);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.article-body blockquote p { color: var(--text); margin-bottom: 0; }
.article-body .info-box {
  background: var(--accent-soft);
  border: 1px solid rgba(255, 45, 85, 0.2);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  margin: 24px 0;
}
.article-body .info-box p { color: var(--text); margin-bottom: 0; }
.article-body .article-cta {
  text-align: center;
  padding: 40px;
  margin: 40px 0;
  background: linear-gradient(135deg, rgba(255, 45, 85, 0.12), rgba(255, 45, 85, 0.04));
  border: 1px solid rgba(255, 45, 85, 0.15);
  border-radius: var(--radius);
}
.article-body .article-cta h3 { color: var(--text); margin-bottom: 12px; }
.article-body .article-cta p { margin-bottom: 20px; }
.article-author {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 24px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  margin-top: 48px;
}
.article-author-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.article-author-info strong { display: block; font-size: 1rem; }
.article-author-info span { font-size: 0.85rem; color: var(--text-muted); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--glass-border);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  width: 100%;
  text-align: left;
  min-height: 56px;
}
@media (max-width: 480px) {
  .faq-question { font-size: 1rem; padding: 20px 0; }
}
.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--accent);
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item.open .faq-question::after { content: '−'; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-item.open .faq-answer { max-height: 500px; }
.faq-answer-inner {
  padding-bottom: 24px;
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 900px;
  margin: 0 auto;
}
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 14px 18px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 1rem;
  font-family: var(--font);
  margin-bottom: 16px;
  transition: var(--transition);
  outline: none;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 480px) {
  .contact-form input,
  .contact-form textarea,
  .contact-form select { padding: 12px 14px; font-size: 16px; }
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb span { margin: 0 8px; }

/* ---------- Page Header ---------- */
.page-header {
  padding: 140px 0 60px;
  text-align: center;
  position: relative;
}
.page-header::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 45, 85, 0.15) 0%, transparent 70%);
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}
.page-header h1 { position: relative; z-index: 2; margin-bottom: 16px; }
.page-header p { position: relative; z-index: 2; max-width: 600px; margin: 0 auto; }

/* ---------- Sticky CTA ---------- */
.sticky-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  pointer-events: none;
}
.sticky-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
@media (max-width: 768px) {
  .sticky-cta {
    bottom: 0;
    right: 0;
    left: 0;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--glass-border);
  }
  .sticky-cta .btn { width: 100%; justify-content: center; font-size: 1rem; }
}

/* ---------- App Store Badge ---------- */
.app-store-badge {
  height: 48px;
  transition: var(--transition);
}
.app-store-badge:hover { transform: scale(1.05); }

/* ---------- Legal Pages ---------- */
.legal-content {
  max-width: 760px;
  margin: 0 auto;
  padding-bottom: 80px;
}
.legal-content h2 { margin-top: 40px; margin-bottom: 16px; font-size: 1.5rem; }
.legal-content h3 { margin-top: 24px; margin-bottom: 12px; font-size: 1.2rem; color: var(--text); }
.legal-content p { margin-bottom: 16px; font-size: 1rem; }
.legal-content ul { margin-bottom: 16px; padding-left: 20px; list-style: disc; }
.legal-content li { color: var(--text-secondary); margin-bottom: 8px; }

/* ---------- Scroll Animations ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Particles ---------- */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: rgba(255, 45, 85, 0.3);
  border-radius: 50%;
  animation: float-particle linear infinite;
}
@keyframes float-particle {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* ---------- About Page ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.about-value { text-align: center; }
.about-value-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-values { grid-template-columns: repeat(3, 1fr); gap: 16px; }
}
@media (max-width: 480px) {
  .about-values { grid-template-columns: 1fr; }
  .page-header { padding: 110px 0 40px; }
  .page-header h1 { font-size: 1.7rem; }
}

/* ---------- Category Badge ---------- */
.category-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.category-badge.guide { background: rgba(52, 199, 89, 0.15); color: #34C759; }
.category-badge.troubleshooting { background: rgba(255, 149, 0, 0.15); color: #FF9500; }
.category-badge.setup { background: rgba(0, 122, 255, 0.15); color: #007AFF; }
.category-badge.comparison { background: rgba(175, 82, 222, 0.15); color: #AF52DE; }

/* ---------- Related Articles ---------- */
.related-articles {
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--glass-border);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 24px;
}
.related-card {
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: center;
}
.related-card h4 { font-size: 1rem; margin-bottom: 4px; }
.related-card h4 a { color: var(--text); }
.related-card h4 a:hover { color: var(--accent); }
.related-card span { font-size: 0.8rem; color: var(--text-muted); }

@media (max-width: 768px) {
  .related-grid { grid-template-columns: 1fr; }
  .related-articles { margin-top: 48px; padding-top: 36px; }
}

/* ---------- Interactive Demo ---------- */
.demo-container {
  max-width: 360px;
  margin: 0 auto;
  position: relative;
}
.demo-phone {
  border-radius: 40px;
  border: 2px solid var(--glass-border);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(255, 45, 85, 0.15);
}
.demo-phone img { width: 100%; display: block; }
@media (max-width: 480px) {
  .demo-container { max-width: 280px; }
  .demo-phone { border-radius: 32px; }
}

/* ---------- Mobile Performance ---------- */
@media (max-width: 768px) {
  .particles { display: none; }
  .glass-card { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(255, 255, 255, 0.06); }
  .hero::before { animation: none; opacity: 0.4; }
  .hero-glow { animation: none; opacity: 0.4; width: 300px; height: 300px; }
  .screenshot-item { flex: 0 0 220px; }
}
@media (max-width: 480px) {
  .section-subtitle { font-size: 1rem; margin-bottom: 36px; }
  .section-label { font-size: 0.75rem; margin-bottom: 8px; }
  .screenshot-item { flex: 0 0 200px; }
  .glass-card { padding: 24px 20px; }
  .legal-content { padding-bottom: 48px; }
  .legal-content h2 { font-size: 1.3rem; }
}

/* ---------- Print ---------- */
@media print {
  .nav, .sticky-cta, .particles, .footer { display: none; }
  body { background: #fff; color: #000; }
  .section { padding: 40px 0; }
}