* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: #000;
  color: #fff;
  overflow-x: hidden;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: #fff;
  font-size: 22px;
  font-weight: 700;
}

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

.logo-highlight {
  color: #00e676;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-list a {
  text-decoration: none;
  color: rgba(255,255,255,0.75);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-list a:hover,
.nav-list a.active {
  color: #00e676;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-outline {
  padding: 8px 20px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 6px;
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
}

.btn-outline:hover {
  border-color: #00e676;
  color: #00e676;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: 0.3s;
}

/* Hero / Carousel */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.carousel {
  position: relative;
  width: 100%;
  height: 100%;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease;
  z-index: 1;
}

.slide.active {
  opacity: 1;
  z-index: 2;
}

.slide-bg {
  position: absolute;
  inset: 0;
}

.slide-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0.1) 100%);
  z-index: 1;
}

.slide-content {
  position: absolute;
  bottom: 120px;
  left: 0;
  z-index: 3;
  padding: 0 48px;
  max-width: 680px;
}

.slide-eyebrow {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 4px;
}

.slide-price {
  font-size: 24px;
  color: #00e676;
  font-weight: 600;
  margin-bottom: 8px;
}

.slide-title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 8px;
}

.slide-tagline {
  font-size: 20px;
  font-weight: 600;
  color: #00e676;
  margin-bottom: 6px;
}

.slide-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
  margin-bottom: 24px;
}

.slide-cta {
  display: flex;
  gap: 12px;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s;
}

.cta-primary {
  background: #00e676;
  color: #000;
}

.cta-primary:hover {
  background: #00c853;
  transform: translateY(-2px);
}

.cta-secondary {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.25);
}

.cta-secondary:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

/* Carousel Indicators */
.carousel-indicators {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.carousel-indicators button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: all 0.3s;
}

.carousel-indicators button.active {
  background: #00e676;
  width: 28px;
  border-radius: 5px;
}

/* Carousel Arrows */
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(0,0,0,0.5);
  border: none;
  color: #fff;
  font-size: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-arrow:hover {
  background: rgba(0,0,0,0.8);
}

.carousel-arrow--prev {
  left: 24px;
}

.carousel-arrow--next {
  right: 24px;
}

/* Features */
.features {
  padding: 80px 0;
  background: #0a0a0a;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: #111;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,230,118,0.3);
}

.feature-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}

/* Footer */
.footer {
  background: #050505;
  padding: 64px 0 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 15px;
  margin-bottom: 16px;
  color: #00e676;
}

.footer-col p {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-col ul a:hover {
  color: #00e676;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

/* Mobile */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-list {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.95);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
  }
  .nav-list.open {
    display: flex;
  }
  .nav-list a {
    font-size: 16px;
  }
  .hamburger {
    display: flex;
  }
  .btn-outline {
    display: none;
  }
  .slide-content {
    padding: 0 24px;
    bottom: 100px;
  }
  .slide-cta {
    flex-direction: column;
    gap: 10px;
  }
  .cta-btn {
    text-align: center;
    justify-content: center;
  }
  .carousel-arrow {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }
  .carousel-arrow--prev { left: 12px; }
  .carousel-arrow--next { right: 12px; }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}