/* ========================================
   VHDATTA PROFESSIONAL SERVICES
   Modern, Clean Website Styles
   ======================================== */

/* ========================================
   RESET & BASE
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colors */
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --secondary: #64748b;
  --accent: #f59e0b;
  --success: #10b981;
  --text-dark: #1e293b;
  --text-light: #64748b;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --border: #e2e8f0;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 600;
  --font-weight-bold: 700;
  --font-weight-black: 900;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.logo {
  display: flex;
  flex-direction: column;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: var(--font-weight-black);
  color: var(--primary);
  letter-spacing: -0.02em;
}

.logo-subtitle {
  font-size: 0.75rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-menu a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: var(--font-weight-medium);
  transition: color 0.3s ease;
}

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

.nav-menu .btn-primary {
  background-color: var(--primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
}

.nav-menu .btn-primary:hover {
  background-color: var(--primary-dark);
  color: white;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--text-dark);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #1e40af 0%, #2563eb 50%, #3b82f6 100%);
  color: white;
  overflow: hidden;
  margin-top: 70px;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: var(--spacing-3xl) 0;
  max-width: 900px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--font-weight-black);
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
}

.highlight {
  color: var(--accent);
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-xl);
  max-width: 700px;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat h3 {
  font-size: 2.5rem;
  font-weight: var(--font-weight-black);
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.stat p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-family: var(--font-primary);
  font-size: 1rem;
}

.btn-primary-large {
  background-color: var(--accent);
  color: white;
  padding: 1rem 2rem;
  font-size: 1.125rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.btn-primary-large:hover {
  background-color: #d97706;
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary-large {
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  padding: 1rem 2rem;
  font-size: 1.125rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-lg);
}

.btn-secondary-large:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

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

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

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

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

.btn-full {
  width: 100%;
}

/* ========================================
   SECTIONS
   ======================================== */
section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: var(--font-weight-black);
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   SERVICES
   ======================================== */
.services {
  background-color: var(--bg-light);
}

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

.service-card {
  background-color: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  position: relative;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.service-card.featured {
  border: 2px solid var(--primary);
}

.featured-badge {
  position: absolute;
  top: -12px;
  right: var(--spacing-md);
  background-color: var(--accent);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.service-icon {
  width: 64px;
  height: 64px;
  background-color: var(--primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: white;
}

.service-card h3 {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
}

.service-card > p {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

.service-features {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.service-features li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
  line-height: 1.6;
}

.service-features li:last-child {
  border-bottom: none;
}

.service-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-md);
}

.price {
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  color: var(--primary);
}

.service-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color 0.3s ease;
}

.service-link:hover {
  color: var(--primary-dark);
}

/* ========================================
   WHY CHOOSE US
   ======================================== */
.why-choose {
  background-color: var(--bg-white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.feature-box {
  text-align: center;
  padding: var(--spacing-lg);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.feature-box h3 {
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
}

.feature-box p {
  color: var(--text-light);
  line-height: 1.6;
}

/* ========================================
   ABOUT
   ======================================== */
.about {
  background-color: var(--bg-light);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about-content h2 {
  font-size: 2.5rem;
  font-weight: var(--font-weight-black);
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
}

.about-lead {
  font-size: 1.25rem;
  font-weight: var(--font-weight-medium);
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

.about-content p {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.credentials {
  background-color: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin: var(--spacing-lg) 0;
}

.credentials h4 {
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
}

.credentials ul {
  list-style: none;
}

.credentials li {
  padding: var(--spacing-xs) 0;
  color: var(--text-dark);
}

.about-cta {
  margin-top: var(--spacing-lg);
}

.about-image {
  position: relative;
}

.image-placeholder {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: var(--radius-xl);
  padding: var(--spacing-3xl);
  text-align: center;
  color: white;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.image-placeholder p {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.image-placeholder small {
  font-size: 0.875rem;
  opacity: 0.8;
}

/* ========================================
   TESTIMONIALS
   ======================================== */
.testimonials {
  background-color: var(--bg-white);
}

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

.testimonial-card {
  background-color: var(--bg-light);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
}

.stars {
  color: var(--accent);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.testimonial-text {
  color: var(--text-dark);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.testimonial-author strong {
  display: block;
  color: var(--text-dark);
  font-weight: var(--font-weight-bold);
  margin-bottom: 0.25rem;
}

.testimonial-author span {
  color: var(--text-light);
  font-size: 0.875rem;
}

/* ========================================
   PRICING
   ======================================== */
.pricing-snapshot {
  background-color: var(--bg-light);
}

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

.pricing-tier {
  background-color: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  position: relative;
}

.pricing-tier.featured {
  border: 2px solid var(--primary);
  transform: scale(1.05);
}

.pricing-tier h3 {
  font-size: 1.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
}

.price-tag {
  font-size: 2rem;
  font-weight: var(--font-weight-black);
  color: var(--primary);
  margin: var(--spacing-md) 0;
}

.pricing-tier ul {
  list-style: none;
  margin: var(--spacing-lg) 0;
  text-align: left;
}

.pricing-tier li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border);
}

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

/* ========================================
   CONTACT
   ======================================== */
.contact {
  background-color: var(--bg-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}

.contact-info h2 {
  font-size: 2.5rem;
  font-weight: var(--font-weight-black);
  margin-bottom: var(--spacing-sm);
}

.contact-details {
  margin: var(--spacing-xl) 0;
}

.contact-item {
  margin-bottom: var(--spacing-lg);
}

.contact-item h4 {
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-xs);
}

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

.social-proof {
  background-color: var(--bg-light);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin-top: var(--spacing-lg);
}

.social-proof p {
  margin-bottom: var(--spacing-xs);
}

/* ========================================
   FORM
   ======================================== */
.contact-form {
  background-color: var(--bg-light);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
}

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

.form-group label {
  display: block;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-xs);
  color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

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

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: var(--font-weight-normal);
}

.checkbox-group input[type="checkbox"] {
  width: auto;
}

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

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background-color: var(--text-dark);
  color: white;
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-col h4 {
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
}

.footer-col p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-xs);
}

.footer-tagline {
  font-style: italic;
  color: rgba(255, 255, 255, 0.6);
}

.footer-badge {
  background-color: var(--accent);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  display: inline-block;
  margin-top: var(--spacing-sm);
  font-size: 0.875rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: var(--spacing-xs);
}

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-md);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: white;
    width: 100%;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transition: left 0.3s ease;
  }

  .nav-menu.active {
    left: 0;
  }

  .hero-stats {
    justify-content: center;
  }

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

  .pricing-tier.featured {
    transform: none;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
    text-align: center;
  }
}