:root {
  --primary: #0284c7;
  --primary-dark: #0369a1;
  --primary-light: #e0f2fe;
  --secondary: #0ea5e9;
  --accent: #f59e0b;
  --bg: #0f172a;
  --surface: #1e293b;
  --text: #f8fafc;
  --muted: #94a3b8;
  --border: rgba(255, 255, 255, 0.1);
  --glass: rgba(30, 41, 59, 0.7);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 12px 24px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.3);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  background-image: 
    radial-gradient(circle at 0% 0%, rgba(2, 132, 199, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 100% 100%, rgba(14, 165, 233, 0.1) 0%, transparent 50%);
  line-height: 1.6;
}

img {
  display: block;
  max-width: 100%;
  width: 100%;
  border-radius: 12px;
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

/* Glassmorphism utility */
.glass {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 8px;
  padding: 12px 24px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  font: inherit;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.6);
}

.btn-outline {
  color: #fff;
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.05);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  transform: translateY(-2px);
}

.hero {
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -10%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.2) 0%, transparent 70%);
  filter: blur(60px);
  z-index: -1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-weight: 700;
  color: var(--primary);
  background: rgba(2, 132, 199, 0.1);
  border: 1px solid rgba(2, 132, 199, 0.2);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 24px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 24px;
  line-height: 1.1;
  font-weight: 800;
  background: linear-gradient(to bottom right, #fff 40%, #94a3b8);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-text p {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 600px;
  margin-bottom: 32px;
}

.btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.section {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: clamp(2rem, 4.5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.section-title p {
  color: var(--muted);
  font-size: 1.1rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.feature-list {
  display: grid;
  gap: 24px;
}

.feature-item {
  display: flex;
  gap: 16px;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(2, 132, 199, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.product-card {
  padding: 32px;
  border-radius: 24px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: rgba(2, 132, 199, 0.4);
  box-shadow: var(--shadow-lg);
}

.product-card h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.product-spec {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  flex: 1;
}

.product-spec li {
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

.product-price {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 24px;
}

.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.guarantee-card {
  padding: 24px;
  border-radius: 16px;
  text-align: center;
}

.guarantee-card h4 {
  margin: 16px 0 8px;
  font-size: 1.2rem;
}

.form-container {
  max-width: 600px;
  margin: 0 auto;
}

.form-card {
  padding: 40px;
  border-radius: 24px;
}

input, select, textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  color: #fff;
  font-size: 1rem;
  margin-bottom: 20px;
  transition: all 0.2s;
}

input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.08);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  gap: 16px;
}

.faq-item {
  border-radius: 12px;
  padding: 24px;
}

.faq-item summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.site-footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-bottom {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 992px) {
  .hero-grid, .split, .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-text p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .btns {
    justify-content: center;
  }
  
  .guarantee-grid {
    grid-template-columns: 1fr;
  }
}

/* Chatbot Styles Overrides */
.chatbot-toggle {
  background: var(--primary) !important;
}

.chatbot-window {
  background: var(--surface) !important;
  border-color: var(--border) !important;
}

.chatbot-header {
  background: var(--primary) !important;
}

.chatbot-body {
  background: var(--bg) !important;
}

.chat-msg.bot {
  background: rgba(2, 132, 199, 0.1) !important;
  color: #fff !important;
  border: 1px solid rgba(2, 132, 199, 0.2);
}

.chatbot-footer {
  background: var(--surface) !important;
  border-top: 1px solid var(--border) !important;
}

.chatbot-option-btn {
  background: rgba(255, 255, 255, 0.05) !important;
  border-color: var(--border) !important;
  color: #fff !important;
}

.chatbot-option-btn:hover {
  background: rgba(255, 255, 255, 0.1) !important;
}