/* ═══════════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════════ */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, sans-serif;
  color: #1a1a2e;
  background: #fff;
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ═══════════════════════════════════════════════
   TYPOGRAPHY
   ═══════════════════════════════════════════════ */
.gradient-text {
  background: linear-gradient(135deg, #1565C0, #7C4DFF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #1565C0;
  margin-bottom: 12px;
  background: rgba(21,101,192,0.08);
  padding: 4px 14px;
  border-radius: 20px;
}
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 1.05rem;
  color: #5a5a7a;
  max-width: 600px;
  margin: 0 auto 40px;
}

/* ═══════════════════════════════════════════════
   NAV
   ═══════════════════════════════════════════════ */
.nav {
  position: fixed; top:0; left:0; right:0; z-index:1000;
  padding: 16px 0;
  transition: all 0.3s ease;
}
.nav.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
  padding: 10px 0;
}
.nav .container {
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #1a1a2e;
}
.nav-logo i { color: #1565C0; font-size: 1.4rem; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: #4a4a6a;
  transition: color 0.2s;
}
.nav-links a:hover { color: #1565C0; }
.nav-cta {
  background: linear-gradient(135deg, #1565C0, #7C4DFF);
  color: #fff !important;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.875rem;
}
.nav-cta:hover { opacity: 0.92; }
.mobile-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: #1a1a2e; cursor: pointer; }

/* ═══════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════ */
.hero {
  position: relative;
  padding: 140px 0 80px;
  background: linear-gradient(165deg, #f8faff 0%, #f0f4ff 40%, #eef0ff 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -40%; right: -10%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(21,101,192,0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%; left: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(124,77,255,0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(21,101,192,0.08);
  border: 1px solid rgba(21,101,192,0.12);
  padding: 6px 16px 6px 6px;
  border-radius: 40px;
  font-size: 0.8rem;
  font-weight: 500;
  color: #1565C0;
  margin-bottom: 24px;
}
.hero-badge span {
  background: #1565C0;
  color: #fff;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.hero p {
  font-size: 1.1rem;
  color: #5a5a7a;
  margin-bottom: 32px;
  max-width: 520px;
  line-height: 1.7;
}
.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, #1565C0, #7C4DFF);
  color: #fff;
  box-shadow: 0 4px 20px rgba(21,101,192,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(21,101,192,0.4); }
.btn-secondary {
  background: #fff;
  color: #1a1a2e;
  border: 1.5px solid #e0e0e0;
}
.btn-secondary:hover { border-color: #1565C0; color: #1565C0; transform: translateY(-2px); }
.btn-lg { padding: 16px 40px; font-size: 1.05rem; }

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-image img {
  border-radius: 12px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.12), 0 8px 24px rgba(0,0,0,0.06);
  border: 1px solid rgba(255,255,255,0.3);
  width: 100%;
}
.hero-image-float {
  position: absolute;
  bottom: -16px;
  left: -20px;
  background: #fff;
  padding: 12px 20px;
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  font-weight: 500;
}
.hero-image-float i { color: #4CAF50; font-size: 1.2rem; }

/* ═══════════════════════════════════════════════
   STATS BAR
   ═══════════════════════════════════════════════ */
.stats {
  padding: 60px 0;
  background: #fff;
  border-bottom: 1px solid #f0f0f0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item h3 {
  font-size: 2rem;
  font-weight: 800;
  color: #1565C0;
  margin-bottom: 4px;
}
.stat-item p { font-size: 0.9rem; color: #7a7a9a; }

/* ═══════════════════════════════════════════════
   FEATURES
   ═══════════════════════════════════════════════ */
.features {
  padding: 100px 0;
  background: #fafbff;
}
.features-header { text-align: center; margin-bottom: 60px; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: #fff;
  padding: 32px 28px;
  border-radius: 14px;
  border: 1px solid #f0f0f0;
  transition: all 0.3s ease;
}
.feature-card:hover {
  border-color: #d0d8ff;
  box-shadow: 0 12px 40px rgba(21,101,192,0.06);
  transform: translateY(-4px);
}
.feature-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 20px;
}
.feature-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 0.9rem; color: #5a5a7a; line-height: 1.65; }

/* ═══════════════════════════════════════════════
   SCREENSHOT SHOWCASE (TABS)
   ═══════════════════════════════════════════════ */
.showcase {
  padding: 100px 0;
  background: #fff;
}
.showcase-header { text-align: center; margin-bottom: 48px; }
.showcase-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
}
.showcase-tab {
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1.5px solid #e8e8ee;
  background: #fff;
  cursor: pointer;
  transition: all 0.25s ease;
  color: #5a5a7a;
}
.showcase-tab:hover { border-color: #1565C0; color: #1565C0; }
.showcase-tab.active {
  background: #1565C0;
  border-color: #1565C0;
  color: #fff;
}
.showcase-panel { display: none; }
.showcase-panel.active { display: block; }
.showcase-panel img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 16px 60px rgba(0,0,0,0.1);
  border: 1px solid #f0f0f0;
}
.showcase-caption {
  text-align: center;
  margin-top: 16px;
  font-size: 0.95rem;
  color: #5a5a7a;
}
.showcase-caption strong { color: #1a1a2e; }

/* ═══════════════════════════════════════════════
   BENEFITS (PROBLEM → SOLUTION)
   ═══════════════════════════════════════════════ */
.benefits {
  padding: 100px 0;
  background: linear-gradient(165deg, #f8faff 0%, #f0f4ff 100%);
}
.benefits-header { text-align: center; margin-bottom: 60px; }
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.benefit-card {
  display: flex;
  gap: 20px;
  background: #fff;
  padding: 28px;
  border-radius: 14px;
  border: 1px solid #f0f0f0;
}
.benefit-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.benefit-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.benefit-card p { font-size: 0.875rem; color: #5a5a7a; line-height: 1.6; }

/* ═══════════════════════════════════════════════
   TESTIMONIALS
   ═══════════════════════════════════════════════ */
.testimonials {
  padding: 100px 0;
  background: #fff;
}
.testimonials-header { text-align: center; margin-bottom: 60px; }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.testimonial-card {
  background: #fafbff;
  padding: 32px;
  border-radius: 14px;
  border: 1px solid #f0f0f0;
}
.testimonial-stars { color: #f59e0b; font-size: 0.9rem; margin-bottom: 16px; }
.testimonial-card blockquote {
  font-size: 0.9rem;
  color: #4a4a6a;
  font-style: italic;
  line-height: 1.65;
  margin-bottom: 20px;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
}
.testimonial-name { font-size: 0.875rem; font-weight: 600; }
.testimonial-role { font-size: 0.8rem; color: #7a7a9a; }

/* ═══════════════════════════════════════════════
   CTA SECTION
   ═══════════════════════════════════════════════ */
.cta {
  padding: 100px 0;
  background: linear-gradient(135deg, #0d1b3e, #1a1a4e);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  top: -50%; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(124,77,255,0.08) 0%, transparent 60%);
  border-radius: 50%;
}
.cta .container { position: relative; z-index: 1; }
.cta h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.cta p {
  color: rgba(255,255,255,0.65);
  font-size: 1.05rem;
  max-width: 540px;
  margin: 0 auto 36px;
}
.cta .btn-primary {
  background: linear-gradient(135deg, #1565C0, #7C4DFF);
  box-shadow: 0 4px 24px rgba(124,77,255,0.3);
}
.cta .btn-secondary {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
  color: #fff;
}
.cta .btn-secondary:hover { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.3); }

/* ═══════════════════════════════════════════════
   FAQ
   ═══════════════════════════════════════════════ */
.faq {
  padding: 100px 0;
  background: #fafbff;
}
.faq-header { text-align: center; margin-bottom: 48px; }
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid #f0f0f0;
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: #1a1a2e;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: background 0.2s;
}
.faq-question:hover { background: #fafbff; }
.faq-question i { transition: transform 0.3s ease; color: #1565C0; font-size: 0.85rem; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  padding: 0 24px;
  overflow: hidden;
  transition: all 0.35s ease;
  font-size: 0.9rem;
  color: #5a5a7a;
  line-height: 1.65;
}
.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

/* ═══════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════ */
.footer {
  padding: 48px 0;
  background: #0d1b3e;
  color: rgba(255,255,255,0.6);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand h3 {
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-brand p { font-size: 0.85rem; max-width: 300px; }
.footer-col h4 {
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 10px;
  transition: color 0.2s;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
}
.footer-socials { display: flex; gap: 16px; }
.footer-socials a { color: rgba(255,255,255,0.4); font-size: 1.1rem; transition: color 0.2s; }
.footer-socials a:hover { color: #fff; }

/* ═══════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(16px);
    padding: 20px 24px;
    gap: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.06);
  }
  .mobile-toggle { display: block; }
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero p { margin: 0 auto 32px; }
  .hero-buttons { justify-content: center; }
  .hero-image-float { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-brand p { max-width: 100%; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .hero { padding: 100px 0 60px; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr; }
  .showcase-tabs { flex-direction: column; align-items: stretch; }
}