@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Dark Theme (Default) */
  --primary: #3b82f6;
  --primary-glow: rgba(59, 130, 246, 0.5);
  --secondary: #06b6d4;
  --accent: #8b5cf6;
  --bg-darker: #020617;
  --glass: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.1);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --bg-mesh-1: rgba(59, 130, 246, 0.15);
  --bg-mesh-2: rgba(139, 92, 246, 0.15);
  --bg-mesh-3: rgba(6, 182, 212, 0.05);
  --nav-bg: rgba(2, 6, 23, 0.8);
  --font-main: 'Plus Jakarta Sans', sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-darker: #fcfdfe;
  --glass: rgba(255, 255, 255, 0.95);
  --glass-border: rgba(59, 130, 246, 0.15);
  --text-main: #0f172a;
  --text-muted: #475569;
  --bg-mesh-1: rgba(59, 130, 246, 0.2);
  --bg-mesh-2: rgba(139, 92, 246, 0.2);
  --bg-mesh-3: rgba(6, 182, 212, 0.15);
  --nav-bg: rgba(255, 255, 255, 0.98);
  --nav-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
  --card-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
  --accent-color: #2563eb;
}

:root {
  --nav-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
  --card-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  --accent-color: #3b82f6;
}

[data-theme="light"] h1,
[data-theme="light"] h2,
[data-theme="light"] h3,
[data-theme="light"] b,
[data-theme="light"] strong {
  color: #0f172a !important;
}

[data-theme="light"] .glass-card {
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .glass-card:hover {
  border-color: var(--primary);
  box-shadow: 0 12px 30px rgba(59, 130, 246, 0.1);
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-darker);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* Background Effects */
.bg-mesh {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background:
    radial-gradient(circle at 0% 0%, var(--bg-mesh-1) 0%, transparent 50%),
    radial-gradient(circle at 100% 100%, var(--bg-mesh-2) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, var(--bg-mesh-3) 0%, transparent 50%);
  filter: blur(80px);
}

/* Navigation */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 10%;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  backdrop-filter: blur(12px);
  background: var(--nav-bg);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--nav-shadow);
  transition: var(--transition-smooth);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo img {
  height: 32px;
  filter: drop-shadow(0 0 8px var(--primary-glow));
}

/* Invert logo in dark mode if it's naturally dark */
:root:not([data-theme="light"]) .logo img {
  filter: brightness(0) invert(1) drop-shadow(0 0 8px var(--primary-glow));
}

[data-theme="light"] .logo img {
  filter: none;
}

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

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: var(--transition-smooth);
}

[data-theme="light"] .nav-links a {
  color: #475569;
}

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

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 10%;
  position: relative;
  z-index: 10;
}

h1 {
  font-size: clamp(40px, 8vw, 84px);
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -2px;
}

.gradient-text {
  background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 50%, #8b5cf6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 200%;
  animation: shimmer 5s infinite linear;
}

@keyframes shimmer {
  0% {
    background-position: 0% 50%;
  }

  100% {
    background-position: 200% 50%;
  }
}

.hero p {
  font-size: 20px;
  color: var(--text-muted);
  max-width: 650px;
  margin-bottom: 40px;
}

.btn-primary {
  display: inline-block;
  padding: 16px 36px;
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: 100px;
  font-weight: 600;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: 0.5s;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px var(--primary-glow);
}

[data-theme="light"] .btn-primary {
  background: var(--accent-color);
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
}

[data-theme="light"] .btn-primary:hover {
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
}

/* Grid Sections */
section {
  padding: 120px 10%;
}

.section-title {
  text-align: center;
  margin-bottom: 80px;
}

.section-title h2 {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 16px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.glass-card {
  background: var(--glass);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  padding: 40px;
  border-radius: 24px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.glass-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.1), transparent 70%);
  pointer-events: none;
}

.glass-card:hover {
  transform: translateY(-10px);
  background: var(--glass);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: var(--card-shadow);
}

.glass-card h3 {
  font-size: 24px;
  margin-bottom: 16px;
  color: #fff;
}

[data-theme="light"] .glass-card h3 {
  color: #0f172a;
}

.glass-card p {
  color: var(--text-muted);
  font-size: 16px;
}

/* Pricing Refinements */
.price-container {
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.price-original {
  text-decoration: line-through;
  color: var(--text-muted);
  font-size: 18px;
  opacity: 0.6;
}

.price-current {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
}

.discount-badge {
  display: inline-block;
  padding: 4px 12px;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: white;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  margin-left: 10px;
  vertical-align: middle;
}

/* Form Styles */
.audit-form {
  max-width: 600px;
  margin: 0 auto;
  text-align: left;
  display: grid;
  gap: 20px;
}

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

.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-left: 4px;
}

.form-input {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  padding: 14px 20px;
  border-radius: 12px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 16px;
  transition: var(--transition-smooth);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 15px var(--primary-glow);
}

[data-theme="light"] .form-input {
  background: #fff;
  border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .form-input:focus {
  background: #fff;
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.2);
}

textarea.form-input {
  min-height: 120px;
  resize: vertical;
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
footer {
  padding: 80px 10% 40px;
  background: var(--bg-darker);
  border-top: 1px solid var(--glass-border);
  text-align: center;
}

.footer-content {
  margin-bottom: 40px;
}

.copyright {
  color: var(--text-muted);
  font-size: 14px;
}

.theme-toggle {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  margin-right: 15px;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.1);
}

[data-theme="light"] .theme-toggle:hover {
  background: rgba(0, 0, 0, 0.05);
}

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

  .nav-links {
    display: none;
  }

  section {
    padding: 80px 5%;
  }

  h1 {
    font-size: 48px;
  }
}

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
  z-index: 1000;
  text-decoration: none;
  transition: var(--transition-smooth);
  animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-5px);
  box-shadow: 0 15px 35px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: white;
}

@keyframes whatsapp-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
  }

  70% {
    box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

@media (max-width: 768px) {
  .whatsapp-float {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }

  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }
}