@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root {
  --l-primary: #2563eb;
  --l-primary-light: #3b82f6;
  --l-accent: #f59e0b;
  /* Dark Mode Default */
  --l-bg: #020617;
  --l-bg-nav: rgba(2, 6, 23, 0.8);
  --l-text: #f8fafc;
  --l-text-muted: #94a3b8;
  --l-border: rgba(255,255,255,0.05);
  --l-card-bg: rgba(15, 23, 42, 0.6);
  --l-card-hover: rgba(30, 41, 59, 0.8);
  --l-darker: #020617;
}

body.light-mode {
  --l-bg: #f8fafc;
  --l-bg-nav: rgba(255, 255, 255, 0.8);
  --l-text: #0f172a;
  --l-text-muted: #475569;
  --l-border: rgba(0,0,0,0.1);
  --l-card-bg: rgba(255, 255, 255, 0.8);
  --l-card-hover: rgba(255, 255, 255, 1);
  --l-darker: #f8fafc;
}

body.light-mode .logo img {
  filter: invert(1) hue-rotate(180deg) brightness(0.8);
}

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

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--l-bg);
  color: var(--l-text);
  overflow-x: hidden;
  line-height: 1.6;
  transition: background-color 0.3s, color 0.3s;
}

/* Background Effects */
.bg-blobs {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}
.blob {
  position: absolute;
  filter: blur(80px);
  opacity: 0.5;
  border-radius: 50%;
  animation: float 20s infinite ease-in-out alternate;
}
.blob-1 { top: -10%; left: -10%; width: 50vw; height: 50vw; background: var(--l-primary); }
.blob-2 { bottom: -20%; right: -10%; width: 60vw; height: 60vw; background: #4f46e5; animation-delay: -5s; }

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(5%, 10%) scale(1.1); }
}

/* Navigation */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 5%;
  position: fixed;
  top: 0; width: 100%;
  z-index: 100;
  background: var(--l-bg-nav);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--l-border);
  transition: background 0.3s, border-color 0.3s;
}

.logo img {
  height: 60px; /* Diperbesar dari 40px */
}

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

.nav-links a {
  color: var(--l-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--l-accent);
}

.btn-login {
  background: linear-gradient(135deg, var(--l-primary), #4f46e5);
  color: white;
  padding: 10px 24px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid rgba(255,255,255,0.1);
  white-space: nowrap;
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(37, 99, 235, 0.4);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 5% 60px;
  position: relative;
}

.hero-badge {
  background: rgba(245, 158, 11, 0.1);
  color: var(--l-accent);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 24px;
  border: 1px solid rgba(245, 158, 11, 0.2);
  display: inline-block;
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--l-primary-light), var(--l-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: var(--l-text-muted);
  max-width: 700px;
  margin: 0 auto 40px;
}

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

.btn-primary {
  background: var(--l-text);
  color: var(--l-darker);
  padding: 16px 32px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s;
}

.btn-primary:hover {
  background: #e2e8f0;
  transform: scale(1.05);
}

.btn-outline {
  background: rgba(255,255,255,0.05);
  color: var(--l-text);
  padding: 16px 32px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  transition: all 0.3s;
}

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

/* Features */
.features {
  padding: 100px 5%;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 60px;
}

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

.feature-card {
  background: var(--l-card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--l-border);
  border-radius: 24px;
  padding: 40px;
  transition: transform 0.3s, background 0.3s, border-color 0.3s;
}

.feature-card:hover {
  transform: translateY(-10px);
  background: var(--l-card-hover);
  border-color: var(--l-border);
}

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(37,99,235,0.2), rgba(79,70,229,0.2));
  color: var(--l-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 24px;
  border: 1px solid rgba(37,99,235,0.3);
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.feature-card p {
  color: var(--l-text-muted);
}

/* Footer */
footer {
  text-align: center;
  padding: 40px 5%;
  border-top: 1px solid var(--l-border);
  color: var(--l-text-muted);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  nav {
    padding: 15px 5%;
  }

  .logo img {
    height: 40px;
  }

  .nav-actions {
    gap: 8px !important;
  }

  .btn-login .login-text {
    display: none;
  }

  .btn-login {
    padding: 8px;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    justify-content: center;
  }
  
  .hero-cta { flex-direction: column; }
  
  .nav-links { 
    display: none; 
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    background: var(--l-card-bg);
    backdrop-filter: blur(20px);
    padding: 20px;
    border-bottom: 1px solid var(--l-border);
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: block !important;
  }

  .feature-card {
      padding: 20px;
  }
}