/* Appedtech Design System - Teal & Dark Slate Theme */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@500;700&display=swap');

:root {
  /* Brand Palette from Logo */
  --primary: #00A99D;
  --primary-hover: #008f85;
  --primary-light: rgba(0, 169, 157, 0.15);
  --primary-glow: rgba(0, 169, 157, 0.35);
  
  --dark-bg: #090D16;
  --dark-card: #111827;
  --dark-card-hover: #1E293B;
  --dark-border: rgba(255, 255, 255, 0.08);
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  
  --accent-cyan: #06B6D4;
  --accent-blue: #3B82F6;
  --accent-gradient: linear-gradient(135deg, #00A99D 0%, #06B6D4 50%, #3B82F6 100%);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--dark-bg);
  color: var(--text-main);
  overflow-x: hidden;
}

body {
  line-height: 1.6;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(0, 169, 157, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(6, 182, 212, 0.06) 0%, transparent 40%);
  background-attachment: fixed;
}

/* Typography Utility */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  line-height: 1.2;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Reusable Components */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 169, 157, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--dark-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  border: 1px solid rgba(0, 169, 157, 0.3);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  padding: 12px 0;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--dark-border);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo img {
  height: 48px;
  width: auto;
  border-radius: 8px;
  box-shadow: 0 0 15px rgba(0, 169, 157, 0.2);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #ffffff;
}

.logo-text span {
  color: var(--primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

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

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 180px 0 100px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 580px;
}

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

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid var(--dark-border);
}

.stat-item h3 {
  font-size: 2.2rem;
  color: var(--primary);
  font-weight: 700;
}

.stat-item p {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 0;
}

.hero-visual {
  position: relative;
}

.visual-card {
  background: linear-gradient(145deg, rgba(17, 24, 39, 0.8), rgba(15, 23, 42, 0.5));
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 30px;
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.visual-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
}

.tech-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 169, 157, 0.1);
  border: 1px solid rgba(0, 169, 157, 0.2);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.code-preview {
  background: #060911;
  border-radius: var(--radius-md);
  padding: 20px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9rem;
  color: #A7F3D0;
  border: 1px solid var(--dark-border);
  margin-top: 20px;
}

.code-preview .keyword { color: #F472B6; }
.code-preview .function { color: #60A5FA; }
.code-preview .string { color: #FBBF24; }

/* Services Section */
.services {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: 2.75rem;
  margin-bottom: 16px;
}

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

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-md);
  padding: 40px 30px;
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: 0 12px 40px rgba(0, 169, 157, 0.15);
  background: var(--dark-card-hover);
}

.service-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 24px;
  border: 1px solid rgba(0, 169, 157, 0.2);
}

.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 14px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
  flex-grow: 1;
}

.service-features {
  list-style: none;
  margin-bottom: 24px;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-main);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.service-features li i {
  color: var(--primary);
}

/* Calculator Section */
.calculator-section {
  padding: 100px 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 169, 157, 0.03) 50%, transparent 100%);
}

.calc-box {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 50px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.calc-group {
  margin-bottom: 24px;
}

.calc-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-main);
}

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

.option-btn {
  padding: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  font-weight: 500;
}

.option-btn:hover, .option-btn.active {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.calc-result-box {
  background: #060911;
  border-radius: var(--radius-md);
  padding: 40px;
  border: 1px solid var(--dark-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
}

.calc-price {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-heading);
  margin: 20px 0;
}

/* Contact Form Section */
.contact-section {
  padding: 100px 0;
}

.contact-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 50px;
  max-width: 800px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

/* Why Us Section */
.why-us {
  padding: 100px 0;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  padding: 30px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--dark-border);
}

.why-card i {
  font-size: 2.2rem;
  color: var(--accent-cyan);
  margin-bottom: 20px;
}

/* Footer */
footer {
  background: #05080E;
  border-top: 1px solid var(--dark-border);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 24px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
}

.copyright {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--dark-border);
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .calc-box { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero-content h1 { font-size: 2.5rem; }
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}