body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #1a1a1a;
  background: #ffffff;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  position: relative;
}

.section {
  padding: 80px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  color: #1a1a1a;
}

.section-subtitle {
  font-size: 18px;
  color: #666;
  text-align: center;
  margin-bottom: 60px;
  line-height: 1.6;
}

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

@media (max-width: 768px) {
  .section { padding: 40px 16px; }
  .section-title { font-size: 28px; }
  .section-subtitle { font-size: 16px; }
}
/* ========== NAVIGATION ========== */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e8e8e8;
  transition: box-shadow 0.3s;
}
.nav.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: #d93025; font-size: 22px; font-weight: 800;
}
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-link {
  text-decoration: none; color: #333; font-size: 15px; font-weight: 500;
  padding: 8px 0; position: relative; transition: color 0.3s;
}
.nav-link:hover { color: #d93025; }
.nav-link.active { color: #d93025; }
.nav-link.active::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px; background: #d93025; border-radius: 1px;
}
.nav-cta {
  background: #d93025; color: #fff; padding: 10px 22px; border-radius: 6px;
  text-decoration: none; font-size: 14px; font-weight: 600;
  transition: all 0.3s; border: none; cursor: pointer;
}
.nav-cta:hover { background: #b91c1c; transform: translateY(-1px); }

/* ========== HERO ========== */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #faf7f5 0%, #f5f0eb 50%, #faf7f5 100%);
  padding: 100px 20px 80px;
}
.hero-bg-decoration {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
}
.hero-bg-circle {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle, rgba(217,48,37,0.04) 0%, transparent 70%);
}
.hero-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero-title {
  font-size: 48px; font-weight: 800; line-height: 1.15; color: #1a1a1a; margin-bottom: 20px;
}
.hero-title .highlight { color: #d93025; }
.hero-desc {
  font-size: 18px; color: #555; line-height: 1.7; margin-bottom: 36px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: #d93025; color: #fff; padding: 16px 36px; border-radius: 8px;
  font-size: 16px; font-weight: 600; text-decoration: none; border: none; cursor: pointer;
  transition: all 0.3s; box-shadow: 0 4px 14px rgba(217,48,37,0.35);
}
.btn-primary:hover { background: #b91c1c; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(217,48,37,0.45); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; color: #333; padding: 16px 36px; border-radius: 8px;
  font-size: 16px; font-weight: 600; text-decoration: none; border: 1px solid #ddd; cursor: pointer;
  transition: all 0.3s;
}
.btn-secondary:hover { border-color: #d93025; color: #d93025; background: #fff5f5; }
.hero-visual {
  position: relative; display: flex; justify-content: center; align-items: center;
}
.hero-visual-box {
  width: 420px; height: 300px; background: #fff;
  border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,0.12);
  display: flex; align-items: center; justify-content: center; position: relative;
  animation: float 6s ease-in-out infinite;
}
.hero-icon-large { animation: pulse 3s ease-in-out infinite; }

/* ========== FEATURE CARDS ========== */
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.feature-card {
  background: #fff; border: 1px solid #f0f0f0; border-radius: 16px;
  padding: 36px 28px; transition: all 0.4s; cursor: default;
}
.feature-card:hover {
  transform: translateY(-6px); box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  border-color: #f5d6d3;
}
.feature-icon {
  width: 56px; height: 56px; background: #fff5f5; border-radius: 14px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
  color: #d93025;
}
.feature-title { font-size: 20px; font-weight: 700; color: #1a1a1a; margin-bottom: 12px; }
.feature-desc { font-size: 15px; color: #666; line-height: 1.7; }

/* ========== PLATFORM DOWNLOADS ========== */
.platforms-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.platform-card {
  background: #fff; border: 1px solid #f0f0f0; border-radius: 16px; padding: 32px 24px;
  text-align: center; transition: all 0.4s;
}
.platform-card:hover {
  transform: translateY(-4px); box-shadow: 0 16px 32px rgba(0,0,0,0.08); border-color: #f5d6d3;
}
.platform-icon { width: 48px; height: 48px; margin: 0 auto 16px; color: #d93025; }
.platform-name { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.platform-desc { font-size: 14px; color: #888; margin-bottom: 20px; line-height: 1.5; }
.platform-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: #fff5f5; color: #d93025; padding: 10px 24px; border-radius: 6px;
  font-size: 14px; font-weight: 600; text-decoration: none; border: none; cursor: pointer;
  transition: all 0.3s;
}
.platform-btn:hover { background: #d93025; color: #fff; }

/* ========== DETAILED INTRO ========== */
.intro-sections { display: flex; flex-direction: column; gap: 80px; }
.intro-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.intro-block.reverse { direction: rtl; }
.intro-block.reverse > * { direction: ltr; }
.intro-visual {
  background: linear-gradient(135deg, #faf7f5, #f5f0eb); border-radius: 20px;
  min-height: 320px; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.intro-visual-inner {
  display: flex; align-items: center; justify-content: center; gap: 20px; flex-wrap: wrap;
}
.intro-title { font-size: 28px; font-weight: 700; margin-bottom: 20px; color: #1a1a1a; }
.intro-text { font-size: 16px; color: #555; line-height: 1.8; }
.intro-text p { margin-bottom: 16px; }

/* ========== TESTIMONIALS ========== */
.testimonials-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.testimonial-card {
  background: #fff; border: 1px solid #f0f0f0; border-radius: 16px; padding: 32px 28px;
  transition: all 0.4s;
}
.testimonial-card:hover { box-shadow: 0 12px 24px rgba(0,0,0,0.06); }
.testimonial-header {
  display: flex; align-items: center; gap: 14px; margin-bottom: 16px;
}
.testimonial-avatar {
  width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, #d93025, #ff6b5b);
  display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 18px;
}
.testimonial-name { font-size: 16px; font-weight: 700; color: #1a1a1a; }
.testimonial-stars { display: flex; gap: 3px; color: #f59e0b; margin-top: 2px; }
.testimonial-body { font-size: 15px; color: #555; line-height: 1.7; }

/* ========== STATS ========== */
.stats-section { background: linear-gradient(135deg, #1a1a1a, #2d2d2d); color: #fff; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px;
}
.stat-item { text-align: center; }
.stat-number { font-size: 48px; font-weight: 800; color: #fff; margin-bottom: 8px; }
.stat-number .unit { font-size: 24px; font-weight: 600; color: #d93025; }
.stat-label { font-size: 15px; color: #aaa; }

/* ========== COMPARISON TABLE ========== */
.compare-table-wrap { overflow-x: auto; border-radius: 16px; border: 1px solid #f0f0f0; }
.compare-table { width: 100%; border-collapse: collapse; }
.compare-table th {
  background: #faf7f5; padding: 18px 24px; text-align: left; font-size: 15px; font-weight: 600; color: #333;
  border-bottom: 2px solid #f0e6e0;
}
.compare-table td {
  padding: 18px 24px; font-size: 15px; color: #555; border-bottom: 1px solid #f5f5f5;
}
.compare-table tr:hover td { background: #fafafa; }
.compare-check { color: #16a34a; display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }
.compare-cross { color: #dc2626; display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }
.compare-neutral { color: #888; display: inline-flex; align-items: center; gap: 6px; }

/* ========== FAQ ========== */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: #fff; border: 1px solid #f0f0f0; border-radius: 12px; overflow: hidden;
  transition: all 0.3s;
}
.faq-item:hover { border-color: #f5d6d3; }
.faq-question {
  padding: 20px 24px; display: flex; align-items: center; justify-content: space-between;
  cursor: pointer; font-size: 17px; font-weight: 600; color: #1a1a1a;
}
.faq-icon { width: 24px; height: 24px; color: #d93025; transition: transform 0.3s; flex-shrink: 0; margin-left: 12px; }
.faq-item.open .faq-icon { transform: rotate(180deg); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-answer-inner { padding: 0 24px 20px; font-size: 15px; color: #555; line-height: 1.8; }
.faq-item.open .faq-answer { max-height: 500px; }

/* ========== FOOTER ========== */
.footer {
  background: #1a1a1a; color: #aaa; padding: 40px 20px 30px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.footer-text { font-size: 14px; line-height: 1.8; margin-bottom: 8px; }
.footer-text strong { color: #fff; font-weight: 600; }
.footer-divider { width: 60px; height: 2px; background: #d93025; margin: 20px auto; border-radius: 1px; }

/* ========== RESPONSIVE ========== */
@media (max-width: 992px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero-title { font-size: 36px; }
  .hero-buttons { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-visual-box { width: 300px; height: 220px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .platforms-grid { grid-template-columns: repeat(2, 1fr); }
  .intro-block { grid-template-columns: 1fr; gap: 30px; }
  .intro-block.reverse { direction: ltr; }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
}
@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .platforms-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .nav-links { gap: 16px; }
  .nav-link { font-size: 13px; }
  .nav-cta { padding: 8px 14px; font-size: 12px; }
  .hero-title { font-size: 28px; }
  .hero-desc { font-size: 16px; }
  .stat-number { font-size: 36px; }
}

/* ========== SCROLL ANIMATIONS ========== */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }