/* ============================================================
   SwiftCardPlug — landing.css
   Premium landing page styles with 3D effects
   ============================================================ */

/* ── BACKGROUND ── */
.landing-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #60a5fa 100%);
  position: relative;
  overflow-x: hidden;
}

.bg-gradient {
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(59, 130, 246, 0.3) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(37, 99, 235, 0.2) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  animation: float 20s ease-in-out infinite;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: rgba(59, 130, 246, 0.4);
  top: -100px;
  left: -100px;
  animation-delay: 0s;
}

.orb-2 {
  width: 300px;
  height: 300px;
  background: rgba(37, 99, 235, 0.3);
  bottom: -50px;
  right: -50px;
  animation-delay: -5s;
}

.orb-3 {
  width: 250px;
  height: 250px;
  background: rgba(96, 165, 250, 0.3);
  top: 50%;
  left: 50%;
  animation-delay: -10s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -30px) scale(1.1); }
  50% { transform: translate(-20px, 20px) scale(0.9); }
  75% { transform: translate(20px, 30px) scale(1.05); }
}

/* ── HEADER ── */
.landing-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
}

.landing-header .logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 28px;
}

.logo-text {
  font-size: 24px;
  font-weight: 800;
  color: white;
  letter-spacing: -0.5px;
}

.nav-desktop {
  display: flex;
  gap: 15px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 24px;
  cursor: pointer;
}

/* ── BUTTONS ── */
.btn {
  padding: 12px 24px;
  border-radius: 25px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
}

.btn-primary {
  background: white;
  color: #2563eb;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
}

.btn-glow {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #1e293b;
  box-shadow: 0 0 30px rgba(251, 191, 36, 0.5);
}

.btn-glow:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(251, 191, 36, 0.7);
}

.btn-large {
  padding: 16px 32px;
  font-size: 16px;
}

/* ── MOBILE MENU ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 20px;
  z-index: 999;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.mobile-menu.active {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 15px;
  color: #1e293b;
  text-decoration: none;
  font-weight: 600;
  border-radius: 10px;
  transition: all 0.2s;
}

.mobile-menu a:hover {
  background: #f0f0f0;
}

/* ── HERO SECTION ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 40px 60px;
  position: relative;
  z-index: 1;
  gap: 60px;
}

.hero-content {
  max-width: 500px;
}

.hero-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  color: white;
  line-height: 1.1;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 40px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

/* ── 3D CARD ── */
.card-3d-container {
  perspective: 1000px;
  width: 320px;
  height: 200px;
}

.card-3d {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.05));
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(20px);
  padding: 25px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 
    0 20px 50px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: transform 0.1s ease;
}

.card-chip {
  width: 40px;
  height: 30px;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  border-radius: 6px;
}

.card-logo {
  font-size: 20px;
  font-weight: 700;
  color: white;
  letter-spacing: 2px;
}

.card-number {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 2px;
  font-family: 'Courier New', monospace;
}

.card-holder {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── SERVICES SECTION ── */
.services {
  padding: 80px 40px;
  position: relative;
  z-index: 1;
}

.section-title {
  text-align: center;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: white;
  margin-bottom: 50px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.service-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 24px;
  padding: 40px 30px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #fbbf24, #f59e0b);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.service-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}

.icon-buy { background: linear-gradient(135deg, #10b981, #34d399); }
.icon-sell { background: linear-gradient(135deg, #f59e0b, #fbbf24); }
.icon-bills { background: linear-gradient(135deg, #3b82f6, #60a5fa); }

.service-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: white;
  margin-bottom: 10px;
}

.service-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 20px;
}

.service-arrow {
  font-size: 24px;
  color: #fbbf24;
  transition: transform 0.3s;
}

.service-card:hover .service-arrow {
  transform: translateX(10px);
}

/* ── FEATURES SECTION ── */
.features {
  padding: 80px 40px;
  background: rgba(255, 255, 255, 0.05);
  position: relative;
  z-index: 1;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 25px;
  max-width: 1000px;
  margin: 0 auto;
}

.feature-item {
  text-align: center;
  padding: 30px 20px;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin: 0 auto 15px;
}

.feature-item h4 {
  font-size: 18px;
  font-weight: 600;
  color: white;
  margin-bottom: 8px;
}

.feature-item p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}

/* ── CTA SECTION ── */
.cta-section {
  padding: 100px 40px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: white;
  margin-bottom: 15px;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
  margin-bottom: 30px;
}

/* ── FOOTER ── */
.landing-footer {
  background: rgba(11, 31, 42, 0.8);
  backdrop-filter: blur(20px);
  padding: 60px 40px 30px;
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto 40px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  margin-top: 10px;
}

.footer-col h4 {
  color: white;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  padding: 8px 0;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.4);
  font-size: 14px;
}

/* ── RESPONSIVE ── */
@media (max-width: 968px) {
  .landing-header {
    padding: 0 20px;
  }
  
  .nav-desktop {
    display: none;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 120px;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .card-3d-container {
    width: 280px;
    height: 175px;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 100px 20px 40px;
  }
  
  .services, .features, .cta-section {
    padding: 60px 20px;
  }
  
  .landing-footer {
    padding: 40px 20px 20px;
  }
}