* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
  background-color: #F5F7FA;
  color: #333333;
  line-height: 1.5;
}

.accent {
  color: #F4A261;
}
.btn-primary {
  background-color: #F4A261;
  color: #0B3C5D;
  font-weight: 600;
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: 0.2s;
  text-decoration: none;
  display: inline-block;
  font-size: 1rem;
}
.btn-primary:hover {
  background-color: #e76f51;
  box-shadow: 0 4px 10px rgba(244, 162, 97, 0.3);
}
.btn-outline {
  background: transparent;
  border: 2px solid #F4A261;
  color: #F4A261;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  cursor: pointer;
  font-weight: 500;
  transition: 0.2s;
  text-decoration: none;
  display: inline-block;
  font-size: 1rem;
}
.btn-outline:hover {
  background-color: rgba(244, 162, 97, 0.1);
}

/* layout */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* navbar */
.navbar {
  background-color: #0B3C5D;
  border-bottom: 2px solid #F4A261;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
  color: white;
}
.logo-tagline {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  color: #F4A261;
  letter-spacing: 0.5px;
}
.nav-links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}
.nav-links a {
  color: #ddd;
  text-decoration: none;
  font-weight: 500;
  font-size: 1rem;
  transition: 0.2s;
  cursor: pointer;
}
.nav-links a:hover, .nav-links a.active {
  color: #F4A261;
}

/* section toggle */
.section {
  display: none;
  padding: 2rem 0 4rem;
}
.section.active {
  display: block;
}
.section {
  animation: fadeIn 0.4s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #1a3a8f, #1e56c8, #2563eb);
  color: white;
  padding: 4rem 3rem;
  border-radius: 40px;
  margin-bottom: 3rem;
  text-align: center;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}
.hero-section h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}
.hero-subtitle {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 2rem;
  opacity: 0.95;
}

.hero-trust {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
  opacity: 0.95;
}
.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-btn-primary {
  background-color: #F4A261;
  color: #0B3C5D;
  border: none;
  padding: 0.9rem 2.5rem;
  font-size: 1.1rem;
}
.hero-btn-outline {
  border-color: white;
  color: white;
  padding: 0.9rem 2.5rem;
  font-size: 1.1rem;
}
.hero-btn-outline:hover {
  background-color: rgba(255,255,255,0.1);
}

/* info flex (ketentuan & cara kerja) */
.info-flex {
  display: flex;
  gap: 2rem;
  margin: 2rem 0 2.5rem;
}
.info-block {
  flex: 1;
  background: #FFFFFF;
  border-radius: 20px;
  padding: 2rem;
  border: 1px solid #E0E0E0;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.info-block h2 {
  font-size: 2rem;
  margin-bottom: 0.2rem;
  color: #0B3C5D;
}
.info-subtitle {
  color: #1D70B8;
  margin-bottom: 1.5rem;
  font-weight: 500;
  border-bottom: 1px solid #F4A261;
  padding-bottom: 0.5rem;
}
.info-list, .steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.info-item, .step-item {
  border-bottom: 1px dashed #ccc;
  padding-bottom: 1rem;
}
.info-item:last-child, .step-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.info-item h4, .step-item h4 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
  color: #0B3C5D;
}
.info-item p, .step-item p {
  color: #555;
  font-size: 0.95rem;
}
.step-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.step-number {
  font-size: 1.3rem;
  font-weight: 700;
  color: #F4A261;
  min-width: 30px;
}

/* filter bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  background: #FFFFFF;
  padding: 1.2rem 2rem;
  border-radius: 40px;
  margin-bottom: 2.5rem;
  border: 1px solid #E0E0E0;
}
.filter-group {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.filter-group label {
  font-weight: 500;
  color: #0B3C5D;
}
.filter-group select {
  background: white;
  border: 1px solid #ccc;
  color: #333;
  padding: 0.5rem 2rem 0.5rem 1rem;
  border-radius: 30px;
  font-size: 0.9rem;
  cursor: pointer;
  outline: none;
}
.filter-group select:focus {
  border-color: #F4A261;
}

/* grid listing */
.listing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}
.card {
  background: #FFFFFF;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid #E0E0E0;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.1), 0 0 0 1px #F4A261 inset;
}
.card-img {
  width: 100%;
  height: 170px;
  background-color: #F0F0F0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #888;
  font-size: 0.9rem;
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-content {
  padding: 1.5rem;
}
.card-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
}
.card-title .merk {
  color: #F4A261;
}
.card-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  margin: 1rem 0;
  font-size: 0.9rem;
  color: #555;
}
.card-specs span {
  background: #F0F2F5;
  padding: 0.3rem 0.8rem;
  border-radius: 30px;
}
.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px dashed #ccc;
  padding-top: 1rem;
  margin-top: 0.5rem;
}
.harga {
  font-weight: 700;
  font-size: 1.3rem;
  color: #F4A261;
}
.stok {
  background: #F0F2F5;
  padding: 0.2rem 0.8rem;
  border-radius: 30px;
  font-size: 0.8rem;
  color: #333;
}

/* modal detail */
.modal {
  display: none;
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.7);
  align-items: center;
  justify-content: center;
  z-index: 200;
}
.modal.active {
  display: flex;
}
.modal-content {
  background: #FFFFFF;
  max-width: 600px;
  width: 90%;
  border-radius: 30px;
  padding: 2rem;
  border: 2px solid #F4A261;
  position: relative;
  color: #333333;
}
.close-modal {
  position: absolute;
  top: 1.2rem; right: 1.5rem;
  font-size: 2rem;
  cursor: pointer;
  color: #F4A261;
}
.detail-field {
  display: flex;
  margin: 1rem 0;
  border-bottom: 1px solid #eee;
  padding-bottom: 0.5rem;
}
.detail-label {
  width: 130px;
  font-weight: 600;
  color: #F4A261;
}
.detail-value {
  flex: 1;
}
.wa-button {
  background: #25D366;
  color: white;
  border: none;
  padding: 1rem;
  width: 100%;
  border-radius: 50px;
  font-weight: bold;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
  cursor: pointer;
  border: 2px solid #128C7E;
}

.trust-block {
  background: #FFFFFF;
  padding: 2.5rem;
  border-radius: 30px;
  margin-top: 3rem;
  border: 1px solid #E0E0E0;
  text-align: center;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.trust-item {
  background: #F8F9FA;
  padding: 1.5rem;
  border-radius: 20px;
  border: 1px solid #E0E0E0;
}

.social-proof {
  margin-top: 2rem;
  text-align: center;
  font-size: 1rem;
  color: #0B3C5D;
}
.trust-item {
  transition: 0.3s ease;
}

.trust-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.08);
}
/* form penawaran */
.form-section {
  background: #FFFFFF;
  border-radius: 30px;
  padding: 2.5rem;
  margin-top: 3rem;
  border: 1px solid #E0E0E0;
  scroll-margin-top: 80px;
}
.form-section h2 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: #0B3C5D;
}
.form-section .subtitle {
  color: #1D70B8;
  margin-bottom: 2rem;
}
.penawaran-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.form-block {
  background: #F8F9FA;
  border-radius: 20px;
  padding: 1.8rem;
  border: 1px solid #E0E0E0;
}
.form-block h3 {
  color: #0B3C5D;
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
  border-bottom: 1px solid #F4A261;
  padding-bottom: 0.5rem;
}
.row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1rem;
}
.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  color: #0B3C5D;
  font-weight: 500;
  font-size: 0.95rem;
}
.form-group .required {
  color: #F4A261;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background: #FFFFFF;
  border: 1px solid #ccc;
  border-radius: 12px;
  color: #333;
  font-size: 1rem;
  transition: 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: #F4A261;
  outline: none;
  box-shadow: 0 0 0 3px rgba(244,162,97,0.2);
}
.form-group input[type="file"] {
  padding: 0.5rem;
  background: #fafafa;
}
.form-group .info {
  display: block;
  color: #888;
  font-size: 0.8rem;
  margin-top: 0.3rem;
}
.note {
  color: #F4A261;
  font-style: italic;
  margin-top: 0.5rem;
  font-size: 0.9rem;
}
.submit-btn {
  width: 100%;
  padding: 1.2rem;
  font-size: 1.2rem;
  border-radius: 50px;
  margin-top: 1rem;
  background-color: #F4A261;
  border: none;
  color: #0B3C5D;
  font-weight: 700;
  cursor: pointer;
}
.submit-btn:hover {
  background-color: #e76f51;
}
.form-feedback {
  text-align: center;
  margin-top: 1rem;
  font-size: 1.1rem;
  padding: 1rem;
  border-radius: 12px;
}
.form-feedback.success {
  background: #e6f7e6;
  color: #2e7d32;
  border: 1px solid #2e7d32;
}
.btn-primary {
  transition: 0.3s ease;
}
.btn-primary:hover {
  transform: scale(1.05);
}

/* profile section */
.profile-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin: 2rem 0;
}
.profile-card {
  background: #FFFFFF;
  border-radius: 30px;
  padding: 2.5rem;
  border: 1px solid #E0E0E0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.profile-card h2 {
  margin-bottom: 1.5rem;
  border-bottom: 2px solid #F4A261;
  padding-bottom: 0.5rem;
  display: inline-block;
  color: #0B3C5D;
}
.profile-card p {
  margin-bottom: 1rem;
  color: #555;
}
.profile-card ul {
  margin-left: 1.5rem;
  color: #555;
}
.profile-card li {
  margin-bottom: 0.3rem;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 1.5rem 0;
}
.product-item {
  background: #F8F9FA;
  padding: 1.5rem;
  border-radius: 20px;
  border: 1px solid #E0E0E0;
}
.product-item h3 {
  color: #F4A261;
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
}
.highlight {
  background: #FFF4E5;
  padding: 1.5rem;
  border-radius: 20px;
  margin: 1.5rem 0;
  text-align: center;
  border: 1px solid #F4A261;
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}
.service-item {
  background: #F8F9FA;
  padding: 1rem;
  border-radius: 12px;
  color: #333;
  font-size: 0.9rem;
  border: 1px solid #E0E0E0;
}

/* footer */
footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid #E0E0E0;
  color: #666;
  font-size: 0.9rem;
}

.floating-wa {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 28px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
  z-index: 999;
  transition: 0.3s;
}

.floating-wa:hover {
  transform: scale(1.1);
}

.text-muted {
  color: #888;
}

.form-feedback.error {
  background: #ffe6e6;
  color: #d32f2f;
  border: 1px solid #d32f2f;
}

/* responsive */
@media (max-width: 768px) {
  .info-flex {
    flex-direction: column;
  }
  .hero-section h1 {
    font-size: 2rem;
  }
}