/* CSS Custom Properties */
:root {
  --color-primary: #FF6B00;
  --color-primary-dark: #E55F00;
  --color-text: #1a1a1a;
  --color-text-muted: #666;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fa;
  --color-border: #e5e5e5;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --container-width: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --transition: 0.2s ease;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

h3 {
  font-size: 1.25rem;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background: white;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-text);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-full {
  width: 100%;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-menu a {
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--color-text);
}

.nav-menu a.active {
  color: var(--color-primary);
}

.nav-cta {
  background: var(--color-primary);
  color: white !important;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
}

.nav-cta:hover {
  background: var(--color-primary-dark);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.hero h1 {
  margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto var(--spacing-md);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* Services Section */
.services {
  padding: var(--spacing-xl) 0;
}

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

.service-card {
  padding: var(--spacing-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.service-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 30px rgba(255, 107, 0, 0.15);
  transform: translateY(-4px);
}

.service-card:hover .service-icon {
  background: var(--color-primary);
  color: white;
}

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.service-card h3 {
  margin-bottom: var(--spacing-xs);
}

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

/* Pricing Section */
.pricing {
  padding: var(--spacing-xl) 0;
  background: var(--color-bg-alt);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  position: relative;
  padding: var(--spacing-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.pricing-card .badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: white;
  padding: 0.25rem 1rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.pricing-card h3 {
  margin-bottom: var(--spacing-xs);
}

.price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

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

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

.pricing-card ul {
  text-align: left;
  margin-bottom: var(--spacing-md);
}

.pricing-card li {
  padding: var(--spacing-xs) 0;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}

.pricing-card li:last-child {
  border-bottom: none;
}

/* About Section */
.about {
  padding: var(--spacing-xl) 0;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about-content h2 {
  text-align: left;
}

.about-content > p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.about-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.about-features svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.service-area {
  padding: var(--spacing-md);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
}

.service-area h4 {
  margin-bottom: var(--spacing-xs);
}

.service-area p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Contact Section */
.contact {
  padding: var(--spacing-xl) 0;
  background: var(--color-bg-alt);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
}

.contact-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-item h4 {
  margin-bottom: 0.25rem;
}

.contact-item a {
  color: var(--color-primary);
}

.contact-item a:hover {
  text-decoration: underline;
}

.contact-item p {
  color: var(--color-text-muted);
}

/* Contact Form */
.contact-form {
  background: var(--color-bg);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  width: 100%;
  box-sizing: border-box;
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}

label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

input, textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}

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

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

.form-note {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: var(--spacing-sm);
}

/* Footer */
.footer {
  padding: var(--spacing-lg) 0 var(--spacing-md);
  background: var(--color-text);
  color: white;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: var(--spacing-md);
}

.footer-brand .logo {
  color: white;
  display: block;
  margin-bottom: 0.5rem;
}

.footer-brand p {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
}

.footer-bottom p {
  color: rgba(255,255,255,0.4);
  font-size: 0.875rem;
}

/* Mobile Styles */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
    display: none;
  }

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

  .hero {
    padding: calc(80px + var(--spacing-lg)) 0 var(--spacing-lg);
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 300px;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-info {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .contact-item {
    flex: 1 1 45%;
    min-width: 150px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* Form States */
.contact-form.loading button {
  opacity: 0.7;
  pointer-events: none;
}

.contact-form .success-message,
.contact-form .error-message {
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  text-align: center;
  margin-top: var(--spacing-sm);
}

.contact-form .success-message {
  background: #d4edda;
  color: #155724;
}

.contact-form .error-message {
  background: #f8d7da;
  color: #721c24;
}

/* Animated Gradient Hero */
@keyframes gradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero-animated {
  background: linear-gradient(-45deg, #fff4e6, #e8f4f8, #f0f8ff, #fff8f0);
  background-size: 400% 400%;
  animation: gradient 15s ease infinite;
}

/* Trust Bar */
.trust-bar {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 1.25rem;
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--color-border);
}

.trust-bar span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}