html {
  scroll-behavior: smooth;
}

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #10b981;
  --dark: #1e293b;
  --light: #f8fafc;
  --gray: #64748b;
  --light-gray: #e2e8f0;
  --card-bg: #ffffff;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: #f1f5f9;
  color: var(--dark);
  line-height: 1.6;
  padding-top: 70px; /* Memberi ruang untuk header tetap */
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Hero */
header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-top: -70px; /* Menggeser ke atas untuk menutupi padding body */
}

header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(255,255,255,0.1) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-content h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 800;
}

.hero-content p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto 2rem;
  opacity: 0.9;
}

.btn {
  display: inline-block;
  background-color: white;
  color: var(--primary);
  padding: 12px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid white;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.btn:hover {
  background-color: transparent;
  color: white;
  transform: translateY(-3px);
}

.btn-outline {
  background-color: transparent;
  color: white;
  margin-left: 15px;
}

.btn-outline:hover {
  background-color: white;
  color: var(--primary);
}

/* Features */
.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2rem;
  color: var(--dark);
  position: relative;
  display: inline-block;
  margin-bottom: 15px;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
}

.features {
  background-color: var(--light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--dark);
}

/* Products */
.products {
  scroll-margin-top: 90px; /* Memberikan jarak saat scroll ke section ini */
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.product-card {
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  transition: var(--transition);
  position: relative;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.product-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--secondary);
  color: white;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 2;
}

.product-img {
  height: 180px;
  background: linear-gradient(45deg, #c7d2fe, #a5b4fc);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
}

.product-info {
  padding: 25px;
}

.product-info h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
  color: var(--dark);
}

.product-info p {
  color: var(--gray);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.product-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 15px;
  display: block;
}

/* Testimonials */
.testimonials {
  background-color: var(--light);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.testimonial-header {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: var(--primary);
  margin-right: 15px;
}

.testimonial-name {
  font-weight: 600;
  color: var(--dark);
}

.testimonial-text {
  color: var(--gray);
  font-style: italic;
}

.stars {
  color: #f59e0b;
  margin-top: 10px;
}

/* Contact */
.contact {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  text-align: center;
  padding: 60px 0;
  scroll-margin-top: 90px; /* Memberikan jarak saat scroll ke section ini */
}

.contact h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.contact-info {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 30px;
}

.contact-item {
  display: flex;
  align-items: center;
}

.contact-icon {
  font-size: 1.5rem;
  margin-right: 15px;
  color: rgba(255,255,255,0.8);
}

/* Footer */
footer {
  background-color: var(--dark);
  color: white;
  padding: 40px 0 20px;
  text-align: center;
}

.footer-content {
  margin-bottom: 30px;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 20px 0;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  color: white;
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

.copyright {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
}

/* Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  z-index: 1000;
  padding: 15px 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  gap: 30px;
}

.nav-link {
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.nav-link:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  width: 30px;
  height: 21px; /* Tinggi agar semua garis muat */
}

.hamburger span {
  width: 100%;
  height: 3px;
  background-color: var(--dark);
  margin: 3px 0;
  transition: var(--transition);
  position: absolute;
  left: 0;
  transform-origin: left center;
}

/* Animasi saat aktif */
.hamburger.active span:nth-child(1) {
  top: 9px; /* Pindahkan ke tengah */
  transform: rotate(45deg); /* Putar 45 derajat */
  width: 100%;
}

.hamburger.active span:nth-child(2) {
  opacity: 0; /* Sembunyikan garis tengah */
  transform: translateX(-20px); /* Geser sedikit untuk efek transisi */
}

.hamburger.active span:nth-child(3) {
  top: 9px; /* Pindahkan ke tengah */
  transform: rotate(-45deg); /* Putar -45 derajat */
  width: 100%;
}

/* Floating Button */
.floating-btns {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  z-index: 1000;
}

.floating-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  transition: var(--transition);
}

.floating-btn:hover {
  background: var(--primary-dark);
  transform: scale(1.1);
}

.floating-btn i {
  font-size: 1.2rem;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: white;
    width: 100%;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 10px 10px rgba(0,0,0,0.1);
    padding: 20px 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .hamburger {
    display: flex;
  }

  .hero-content h1 {
    font-size: 2rem;
  }
  
  .btn-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  
  .btn-outline {
    margin-left: 0;
  }

  .floating-btns {
    bottom: 20px;
    right: 20px;
  }
}