:root {
  --primary: #0f172a;
  --primary-dark: #0a0f1f;
  --accent: #f97316;
  --accent-dark: #ea580c;
  --accent-light: #fed7aa;
  --light: #f8fafc;
  --gray-light: #f1f5f9;
  --gray: #64748b;
  --dark: #1e293b;
  --success: #10b981;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

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

body {
  font-family: 'Inter', Arial, sans-serif;
  color: #334155;
  line-height: 1.6;
  background: white;
  overflow-x: hidden;
}

.container {
  width: min(1280px, 92%);
  margin: auto;
  padding: 0 16px;
}

/* Typography */
.section-title {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  color: var(--primary);
}

.section-subtitle {
  text-align: center;
  color: var(--gray);
  margin-bottom: 48px;
  font-size: clamp(0.875rem, 3vw, 1.125rem);
}

.highlight {
  color: var(--accent);
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  padding: 16px 0;
  z-index: 999;
  box-shadow: var(--shadow-sm);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.logo {
  height: 50px;
  width: auto;
}

/* Buttons */
.btn-primary {
  background: var(--accent);
  color: white;
  padding: 12px 24px;
  border-radius: 50px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
  font-size: 0.875rem;
}

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-large {
  padding: 16px 32px;
  font-size: 1rem;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.8125rem;
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.btn-outline {
  background: transparent;
  color: white;
  padding: 14px 28px;
  border-radius: 50px;
  text-decoration: none;
  border: 2px solid white;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-outline:hover {
  background: white;
  color: var(--accent);
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  padding: 80px 0 100px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><path fill="%23f97316" fill-opacity="0.05" d="M0 0h200v200H0z"/><path d="M100 0l30 30-30 30-30-30zM0 100l30 30-30 30-30-30zM200 100l30 30-30 30-30-30zM100 140l30 30-30 30-30-30z" fill="%23f97316" fill-opacity="0.1"/></svg>') repeat;
  opacity: 0.3;
}

.hero-content {
  position: relative;
  color: white;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  background: rgba(249, 115, 22, 0.2);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.875rem;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.hero h1 {
  font-size: clamp(1.75rem, 6vw, 3.5rem);
  font-weight: 800;
  margin: 24px 0;
  line-height: 1.2;
}

.hero p {
  font-size: clamp(0.875rem, 3vw, 1.125rem);
  opacity: 0.9;
  margin-bottom: 32px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin: 40px 0;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
  color: var(--accent);
}

.stat-label {
  font-size: 0.875rem;
  opacity: 0.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Trust Bar */
.trust-bar {
  background: var(--gray-light);
  border-bottom: 1px solid #e2e8f0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  padding: 24px 0;
  text-align: center;
}

.trust-item {
  font-weight: 600;
  color: var(--primary);
  font-size: clamp(0.75rem, 3vw, 0.875rem);
}

/* Who Suitable Section */
.who-suitable {
  padding: 80px 0;
  background: white;
}

.suitable-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.suitable-item {
  background: var(--gray-light);
  padding: 16px 20px;
  border-radius: 12px;
  text-align: center;
  font-weight: 500;
  transition: all 0.3s ease;
  cursor: pointer;
}

.suitable-item:hover {
  background: var(--accent);
  color: white;
  transform: translateY(-4px);
}

/* Benefits Section */
.benefits {
  padding: 80px 0;
  background: var(--gray-light);
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: white;
  padding: 32px 24px;
  border-radius: 20px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--primary);
}

.card p {
  font-size: 0.875rem;
  color: var(--gray);
}

/* Products Section */
.products {
  padding: 80px 0;
  background: white;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}

.product-item {
  background: var(--gray-light);
  padding: 16px;
  border-radius: 12px;
  text-align: center;
  font-weight: 500;
  transition: all 0.3s ease;
}

.product-item:hover {
  background: var(--accent);
  color: white;
  transform: translateY(-4px);
}

/* Criteria Section */
.criteria {
  padding: 80px 0;
  background: var(--gray-light);
}

.criteria-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.criteria-card {
  background: white;
  padding: 20px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.3s ease;
}

.criteria-card:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow);
}

.criteria-icon {
  font-size: 1.5rem;
}

/* Exclusive Section */
.exclusive {
  padding: 60px 0;
}

.exclusive-card {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: white;
  padding: 48px 32px;
  border-radius: 32px;
  text-align: center;
}

.exclusive-card h2 {
  font-size: clamp(1.5rem, 5vw, 2rem);
  margin-bottom: 16px;
}

.exclusive-card p {
  margin-bottom: 24px;
  opacity: 0.95;
}

.exclusive-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: 8px 24px;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
}

/* Projects Section */
.projects {
  padding: 80px 0;
  background: var(--gray-light);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.project-item {
  overflow: hidden;
  border-radius: 16px;
  box-shadow: var(--shadow);
  background: white;
  transition: all 0.3s ease;
}

.project-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.project-item img {
  width: 100%;
  height: 220px;
  display: block;
  object-fit: cover;
  transition: 0.4s ease;
}

.project-item:hover img {
  transform: scale(1.05);
}

.project-caption {
  padding: 12px 16px;
  font-weight: 600;
  color: var(--primary);
  text-align: center;
}

/* Partner Form */
.partner-form {
  padding: 80px 0;
  background: white;
}

.partner-form form {
  max-width: 800px;
  margin: auto;
  background: var(--gray-light);
  padding: 40px;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: 600;
  color: var(--primary);
  font-size: 0.875rem;
}

.required {
  color: var(--accent);
}

input,
select,
textarea {
  padding: 14px 16px;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  font-family: inherit;
  font-size: 0.875rem;
  transition: all 0.3s ease;
  background: white;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

.form-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--gray);
  margin-top: 16px;
}

/* Footer */
.footer {
  background: var(--primary);
  color: white;
  padding: 48px 0 24px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 32px;
}

.footer-logo img {
  height: 50px;
  margin-bottom: 16px;
}

.footer-logo p {
  opacity: 0.7;
  font-size: 0.875rem;
}

.footer-contact h4 {
  margin-bottom: 16px;
}

.footer-contact p {
  margin-bottom: 8px;
  opacity: 0.7;
  font-size: 0.875rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.75rem;
  opacity: 0.6;
}

/* Floating WhatsApp */
.floating-wa {
  position: fixed;
  right: 24px;
  bottom: 24px;
  background: #25D366;
  color: white;
  padding: 14px 20px;
  border-radius: 60px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  box-shadow: var(--shadow-xl);
  transition: all 0.3s ease;
  z-index: 998;
  font-size: 0.875rem;
}

.floating-wa:hover {
  transform: scale(1.05);
  background: #128C7E;
}

.floating-wa span:first-child {
  font-size: 1.25rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .container {
    width: 90%;
    padding: 0 12px;
  }

  .hero {
    padding: 60px 0 80px;
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-outline {
    width: 100%;
    justify-content: center;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .partner-form form {
    padding: 24px;
  }

  .benefit-grid,
  .suitable-grid,
  .product-grid,
  .criteria-grid {
    grid-template-columns: 1fr;
  }

  .project-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .floating-wa .wa-text {
    display: none;
  }

  .floating-wa {
    padding: 14px;
    right: 16px;
    bottom: 16px;
  }

  .navbar .btn-primary {
    padding: 8px 16px;
    font-size: 0.75rem;
  }

  .logo {
    height: 40px;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .trust-item {
    font-size: 0.75rem;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.5rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .card {
    padding: 24px 20px;
  }

  .product-item {
    font-size: 0.875rem;
    padding: 12px;
  }

  .suitable-item {
    font-size: 0.875rem;
    padding: 12px 16px;
  }

  .exclusive-card {
    padding: 32px 20px;
  }
}

/* Tablet */
@media (min-width: 769px) and (max-width: 1024px) {
  .benefit-grid,
  .suitable-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Loading & Animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

section {
  animation: fadeInUp 0.6s ease-out;
}