/* ==========================================================================
   CSS Variables & Design System
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root {
  /* Light Mode Colors (Default) */
  --bg-main: #ffffff;
  --bg-card: #f8fafc;
  --bg-card-hover: #f1f5f9;
  --text-main: #0f172a;
  --text-muted: #475569;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --accent: #8b5cf6;
  --whatsapp: #25D366;
  --border: rgba(0, 0, 0, 0.1);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --footer-bg: #f8fafc;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  --gradient-text: linear-gradient(to right, #2563eb, #7c3aed);
  
  /* Shadows */
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
  --shadow-neon: 0 0 15px rgba(59, 130, 246, 0.3);
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Layout */
  --max-width: 1200px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  /* Dark Mode Colors */
  --bg-main: #0a0f1d;
  --bg-card: rgba(20, 26, 43, 0.6);
  --bg-card-hover: rgba(30, 41, 66, 0.8);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(10, 15, 29, 0.7);
  --footer-bg: rgba(0, 0, 0, 0.3);
  
  /* Gradients & Shadows */
  --gradient-text: linear-gradient(to right, #60a5fa, #c084fc);
  --shadow-neon: 0 0 15px rgba(59, 130, 246, 0.5);
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

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

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  border-radius: 50px;
  font-weight: 600;
  font-family: var(--font-heading);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  box-shadow: var(--shadow-neon);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(128, 128, 128, 0.05);
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: var(--transition);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: var(--glass-bg);
  border-bottom: 1px solid var(--border);
}

header.scrolled {
  padding: 1rem 0;
  box-shadow: var(--shadow-md);
}

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

.logo {
  font-size: 1.5rem;
  font-family: var(--font-heading);
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.nav-right {
  display: flex;
  align-items: center;
  gap: 2rem;
}

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

.nav-links a {
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  color: var(--primary);
  transform: rotate(15deg);
}

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

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.1) 0%, transparent 70%);
  z-index: -1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  right: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(circle, rgba(139,92,246,0.1) 0%, transparent 70%);
  z-index: -1;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* ==========================================================================
   Services Grid
   ========================================================================== */
.section-title {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-title p {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition);
  z-index: 10;
}

.service-card:hover {
  transform: translateY(-5px);
  background: var(--bg-card-hover);
  border-color: rgba(0, 0, 0, 0.1);
  box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .service-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.service-card:hover::before {
  opacity: 1;
}

.service-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
  transform: scale(1.05);
}

.service-content {
  padding: 2rem;
  flex-grow: 1;
}

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

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

/* ==========================================================================
   Google Reviews
   ========================================================================== */
.google-reviews {
  background: rgba(128, 128, 128, 0.02);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.review-summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  max-width: 800px;
  margin: 0 auto 3rem;
}

.rating-score {
  font-size: 3rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: #f59e0b;
}

.stars {
  color: #f59e0b;
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.review-details p {
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.review-details strong {
  color: var(--text-main);
}

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

.review-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 15px;
  border: 1px solid var(--border);
}

.reviewer {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.reviewer-avatar {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.review-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-style: italic;
}

/* ==========================================================================
   Inner Pages (About, Careers, Contact)
   ========================================================================== */
.page-header {
  padding: 120px 0 60px;
  text-align: center;
  background: rgba(128, 128, 128, 0.02);
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

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

.content-block p {
  margin-bottom: 1.5rem;
  color: var(--text-muted);
  font-size: 1.1rem;
}

.careers-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.job-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2rem;
  border-radius: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.job-card:hover {
  border-color: var(--primary);
  background: var(--bg-card-hover);
}

.job-info h3 {
  margin-bottom: 0.5rem;
}

.job-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  display: flex;
  gap: 1rem;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 15px;
  border: 1px solid var(--border);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* ==========================================================================
   Forms & Popup
   ========================================================================== */
.form-group {
  margin-bottom: 1.5rem;
}

.form-control {
  width: 100%;
  padding: 1rem;
  background: rgba(128, 128, 128, 0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-main);
  font-family: var(--font-body);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(128, 128, 128, 0.08);
}

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

.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(5px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.popup-overlay.active {
  opacity: 1;
  visibility: visible;
}

.popup-content {
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
  width: 90%;
  max-width: 500px;
  position: relative;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: var(--shadow-lg);
}

.popup-overlay.active .popup-content {
  transform: translateY(0);
}

.close-popup {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.close-popup:hover {
  color: var(--text-main);
}

/* ==========================================================================
   Floating Widgets
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: var(--whatsapp);
  color: #fff;
  border-radius: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: var(--shadow-md);
  z-index: 1000;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 10px 15px -3px rgba(37, 211, 102, 0.4);
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

.footer-col p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-links a {
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-mega-text {
  font-family: var(--font-heading);
  font-size: 14vw;
  font-weight: 800;
  text-align: center;
  line-height: 0.8;
  color: var(--text-main);
  opacity: 0.04;
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.05em;
  white-space: nowrap;
  overflow: hidden;
  margin-bottom: -1rem;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
  .hero h1 { font-size: 3rem; }
  .contact-layout { grid-template-columns: 1fr; gap: 2rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-right {
    gap: 1rem;
  }
  
  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--bg-main);
    flex-direction: column;
    justify-content: center;
    transition: var(--transition);
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero h1 { font-size: 2.5rem; }
  .footer-grid { 
    grid-template-columns: 1fr 1fr; 
    gap: 2rem; 
  }
  .footer-grid .footer-col:first-child {
    grid-column: 1 / -1;
  }
  
  .job-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}