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

:root {
  --bg-color: #050505;
  --bg-secondary: #0a0a0f;
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --accent-primary: #8a2be2; /* Neon Purple */
  --accent-secondary: #00ffff; /* Cyan */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.05);
  --gradient-text: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  --font-main: 'Inter', sans-serif;
}

[data-theme="light"] {
  --bg-color: #f8f9fa;
  --bg-secondary: #ffffff;
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a5e;
  --accent-primary: #6a1b9a;
  --accent-secondary: #008b8b;
  --glass-bg: rgba(0, 0, 0, 0.03);
  --glass-border: rgba(0, 0, 0, 0.08);
}

.theme-toggle-btn {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-left: 1.5rem;
}

.theme-toggle-btn:hover {
  background: var(--accent-primary);
  color: white;
  transform: translateY(-2px);
}


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

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

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

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Glassmorphism Utilities */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
}

/* Typography */
h1, h2, h3, h4 {
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  border-radius: 30px;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(90deg, var(--accent-primary), #6a1b9a);
  color: white;
  box-shadow: 0 4px 15px rgba(138, 43, 226, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(138, 43, 226, 0.6);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--accent-primary);
  color: var(--text-primary);
}

.btn-outline:hover {
  background: rgba(138, 43, 226, 0.1);
  transform: translateY(-2px);
}

/* Navbar */
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.5rem 0;
  transition: all 0.3s ease;
}

header.scrolled {
  padding: 1rem 0;
  background: rgba(5, 5, 5, 0.8);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--glass-border);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -1px;
}

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
}

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

/* Glow effects in background */
.hero::before {
  content: '';
  position: absolute;
  top: 20%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(138,43,226,0.15) 0%, rgba(0,0,0,0) 70%);
  z-index: -1;
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 10%;
  right: -10%;
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, rgba(0,255,255,0.1) 0%, rgba(0,0,0,0) 70%);
  z-index: -1;
  border-radius: 50%;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  max-width: 90%;
}

.hero-cta {
  display: flex;
  gap: 1rem;
}

.hero-image {
  position: relative;
  animation: float 6s ease-in-out infinite;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 20px;
  filter: drop-shadow(0 0 30px rgba(138,43,226,0.2));
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

/* Section Common */
section {
  padding: 6rem 0;
}

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

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

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

.service-card {
  padding: 2.5rem;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  border-color: rgba(138,43,226,0.3);
}

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

.service-icon {
  font-size: 2.5rem;
  color: var(--accent-secondary);
  margin-bottom: 1.5rem;
}

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

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

/* Process Section */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  position: relative;
}

.process-step {
  text-align: center;
  padding: 2rem;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--glass-bg);
  border: 1px solid var(--accent-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin: 0 auto 1.5rem auto;
  box-shadow: 0 0 20px rgba(138,43,226,0.2);
}

.process-step h3 {
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
}

.process-step p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
  text-align: center;
  padding: 5rem 2rem;
  margin: 4rem 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, rgba(138,43,226,0.1), rgba(0,255,255,0.1));
  z-index: -1;
}

.cta-section h2 {
  margin-bottom: 1rem;
}

.cta-section p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

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

.footer-about p {
  color: var(--text-secondary);
  margin-top: 1rem;
  max-width: 300px;
}

.footer-links h4 {
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.footer-links ul li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

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

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

/* Modal & Form Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
}

.modal-content {
  background: var(--bg-secondary);
  margin: auto;
  padding: 2.5rem;
  border: 1px solid var(--glass-border);
  width: 90%;
  max-width: 500px;
  border-radius: 16px;
  position: relative;
  transform: translateY(-50px);
  transition: transform 0.3s ease;
}

.modal.show .modal-content {
  transform: translateY(0);
}

.close-btn {
  color: var(--text-secondary);
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  position: absolute;
  right: 1.5rem;
  top: 1rem;
  transition: color 0.3s ease;
}

.close-btn:hover,
.close-btn:focus {
  color: var(--accent-primary);
  text-decoration: none;
}

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

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-main);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(138, 43, 226, 0.2);
}

.form-group textarea {
  resize: vertical;
}

/* Animations (Scroll Reveal) */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-text p {
    margin: 0 auto 2rem auto;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .hero-image {
    max-width: 600px;
    margin: 0 auto;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* Can be toggled with JS */
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 2rem;
    text-align: center;
    border-bottom: 1px solid var(--glass-border);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  h1 {
    font-size: 2.5rem;
  }
}

/* --- Interactive Elements (Humanize) --- */

/* Custom Cursor (Inversion Circle) */
.cursor-inversion {
  position: fixed;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  background-color: white;
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  mix-blend-mode: difference;
  z-index: 9999;
  transition: width 0.2s ease, height 0.2s ease, opacity 0.2s ease;
}

/* Hide default cursor on desktop */
@media (pointer: fine) {
  body, a, button, .service-card {
    cursor: none !important;
  }
  
  /* Keep default text cursor for inputs */
  input, textarea {
    cursor: text !important;
  }
}

/* Expanded hover state for cursor */
.cursor-inversion.hovered {
  width: 60px;
  height: 60px;
}

/* Typewriter Blinking Cursor */
.cursor-blink {
  animation: blink 1s step-end infinite;
  color: var(--accent-primary);
  font-weight: 300;
  margin-left: 2px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Spotlight Effect for Glass */
.glass::after {
  content: '';
  position: absolute;
  top: var(--mouse-y, 50%);
  left: var(--mouse-x, 50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(circle closest-side, rgba(138, 43, 226, 0.15), transparent);
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
  border-radius: 50%;
}

.glass:hover::after {
  opacity: 1;
}