:root {
  --bg-main: #0b0f19;
  --bg-card: #131b2e;
  --bg-card-hover: #1b2640;
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.4);
  --accent: #8b5cf6;
  --cyan: #06b6d4;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --border: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.3);
  --font-sans: 'Plus Jakarta Sans', sans-serif;
  --font-heading: 'Space Grotesk', sans-serif;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, #a5b4fc 0%, var(--primary) 50%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #ffffff;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

.full-width {
  width: 100%;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 15, 25, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--text-main);
}

.logo .highlight {
  color: var(--cyan);
}

.nav-links {
  display: flex;
  gap: 2rem;
}

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

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

/* Hero Section */
.hero {
  position: relative;
  padding: 10rem 0 6rem;
  text-align: center;
  background: radial-gradient(circle at 50% 20%, rgba(99, 102, 241, 0.15), transparent 60%);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--border-glow);
  border-radius: 9999px;
  font-size: 0.85rem;
  color: #a5b4fc;
  margin-bottom: 1.5rem;
}

.pulse {
  width: 8px;
  height: 8px;
  background-color: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan);
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  max-width: 900px;
  margin: 0 auto 1.5rem;
  font-weight: 800;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
}

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

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1.5rem;
  border-radius: 1rem;
  text-align: center;
  backdrop-filter: blur(8px);
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--cyan);
  margin-bottom: 0.25rem;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Services */
.services {
  padding: 6rem 0;
}

.section-header {
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

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

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 2.5rem 2rem;
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-glow);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.service-card.highlighted {
  border-color: var(--primary);
  background: linear-gradient(180deg, var(--bg-card) 0%, rgba(99, 102, 241, 0.08) 100%);
}

.badge-featured {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  text-transform: uppercase;
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1.25rem;
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.card-features {
  list-style: none;
}

.card-features li {
  font-size: 0.9rem;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

/* Calculator Section */
.calculator-section {
  padding: 4rem 0;
}

.calculator-card {
  background: linear-gradient(135deg, #131b2e 0%, #1e1b4b 100%);
  border: 1px solid var(--border-glow);
  border-radius: 1.5rem;
  padding: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.calc-info h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.calc-info p {
  color: var(--text-muted);
}

.calc-form {
  background: rgba(11, 15, 25, 0.6);
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--primary);
}

.range-val {
  display: inline-block;
  margin-top: 0.25rem;
  font-weight: 700;
  color: var(--cyan);
}

.calc-result {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.result-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.result-value {
  font-size: 2rem;
  font-weight: 800;
  color: #34d399;
  font-family: var(--font-heading);
}

/* Pricing */
.pricing {
  padding: 6rem 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 2.5rem 2rem;
  position: relative;
}

.price-card.popular {
  border-color: var(--primary);
  box-shadow: 0 0 30px rgba(99, 102, 241, 0.2);
}

.price-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.price {
  font-size: 2.8rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.price .period {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
}

.price-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.price-list {
  list-style: none;
  margin-bottom: 2rem;
}

.price-list li {
  font-size: 0.9rem;
  margin-bottom: 0.6rem;
}

/* Contact */
.contact {
  padding: 6rem 0;
  background: radial-gradient(circle at 50% 100%, rgba(99, 102, 241, 0.1), transparent 70%);
}

.contact-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-info h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.contact-meta p {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(11, 15, 25, 0.8);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
}

.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-response {
  margin-top: 1rem;
  font-size: 0.9rem;
  text-align: center;
}

/* Footer */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title { font-size: 2.4rem; }
  .calculator-card, .contact-box { grid-template-columns: 1fr; gap: 2rem; }
  .nav-links { display: none; }
}