/* Variables & Reset */
:root {
  --bg-color: #0b0f19;
  --bg-surface: #131929;
  --bg-glass: rgba(19, 25, 41, 0.7);
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --neon-green: #00FFA3;
  --neon-blue: #00e1ff;
  --neon-purple: #9d00ff;
  --font-sans: 'Inter', sans-serif;
  --font-mono: 'Fira Code', monospace;
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* Offset for fixed navbar */
}

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

/* Typography Utility */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
}

.highlight {
  color: var(--neon-green);
  text-shadow: 0 0 15px rgba(0, 255, 163, 0.4);
}

.neon-text {
  color: var(--neon-blue);
  text-shadow: 0 0 15px rgba(0, 225, 255, 0.4);
}

.neon-dot {
  color: var(--neon-green);
}

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

.section-padding {
  padding: 6rem 0;
}

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

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

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

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
  background: rgba(11, 15, 25, 0.9);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
}

.brand-logo {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

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

.blog-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.blog-link span {
  font-size: 0.7rem;
  background: rgba(0, 255, 163, 0.1);
  color: var(--neon-green);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-family: var(--font-mono);
}

/* Hamburger Menu (Mobile) */
.hamburger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}

.hamburger span {
  width: 25px;
  height: 2px;
  background-color: var(--text-main);
  transition: var(--transition);
}

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

.hero-bg-effect {
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(0, 255, 163, 0.08) 0%, rgba(11, 15, 25, 0) 70%);
  z-index: -1;
  pointer-events: none;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -1px;
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s ease forwards;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  animation: fadeInUp 1s ease 0.2s forwards;
  opacity: 0;
}

.cta-container {
  animation: fadeInUp 1s ease 0.4s forwards;
  opacity: 0;
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
  max-width: 500px;
  margin: 0 auto 1rem;
  position: relative;
}

.newsletter-form input {
  flex: 1;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  font-family: var(--font-sans);
  outline: none;
  transition: var(--transition);
}

.newsletter-form input:focus {
  border-color: var(--neon-green);
  box-shadow: 0 0 10px rgba(0, 255, 163, 0.2);
}

.btn-primary {
  padding: 1rem 2rem;
  border-radius: 8px;
  background: var(--neon-green);
  color: #000;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
}

.btn-primary:hover {
  background: #00e693;
  box-shadow: 0 0 20px rgba(0, 255, 163, 0.4);
  transform: translateY(-2px);
}

.sub-cta {
  font-size: 0.85rem;
  color: #64748b;
}

.form-message {
  position: absolute;
  top: 110%;
  left: 0;
  width: 100%;
  text-align: center;
  font-size: 0.9rem;
  color: var(--neon-green);
}

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

.service-card {
  background: var(--bg-surface);
  padding: 2.5rem;
  border-radius: var(--border-radius);
  position: relative;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.cyber-border::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: var(--border-radius);
  padding: 1px;
  background: linear-gradient(135deg, rgba(0,255,163,0.3) 0%, rgba(255,255,255,0) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

.icon-wrapper {
  color: var(--neon-blue);
  margin-bottom: 1.5rem;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

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

/* About Section */
.about {
  background: linear-gradient(180deg, var(--bg-color) 0%, #101623 100%);
}

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

.about-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.about-content p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.about-features {
  list-style: none;
  margin-top: 2rem;
}

.about-features li {
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-main);
}

.about-visual {
  position: relative;
  height: 400px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.abstract-shape {
  width: 300px;
  height: 300px;
  background: linear-gradient(45deg, var(--neon-purple), var(--neon-blue));
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  animation: morph 8s ease-in-out infinite;
  opacity: 0.15;
  filter: blur(20px);
}

@keyframes morph {
  0% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
  50% { border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%; }
  100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
}

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

.testimonial-card {
  background: var(--bg-surface);
  padding: 2.5rem;
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.review {
  font-size: 1rem;
  font-style: italic;
  color: var(--text-main);
  margin-bottom: 2rem;
}

.client-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.avatar {
  width: 50px;
  height: 50px;
  background: rgba(0, 255, 163, 0.1);
  color: var(--neon-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  border: 1px solid rgba(0, 255, 163, 0.3);
}

.client-info h4 {
  font-size: 1rem;
  margin: 0;
}

.client-info span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* FAQ */
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.1rem;
  font-family: var(--font-sans);
  text-align: left;
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--neon-green);
}

.faq-question .icon {
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.faq-question.active .icon {
  transform: rotate(45deg);
  color: var(--neon-green);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer p {
  padding-bottom: 1.5rem;
  color: var(--text-muted);
}

.faq-answer a {
  color: var(--neon-blue);
  text-decoration: none;
}

/* Contact Form */
.contact-form-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-surface);
  padding: 2.5rem;
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  font-family: var(--font-sans);
  outline: none;
  transition: var(--transition);
  font-size: 1rem;
}

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

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--neon-blue);
  box-shadow: 0 0 10px rgba(0, 225, 255, 0.2);
}

.btn-block {
  width: 100%;
}

.form-message-contact {
  position: static;
  margin-top: 0.5rem;
  text-align: center;
}

/* Footer */
.footer {
  background: #05070a;
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand p {
  color: var(--text-muted);
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

.btn-outline {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--neon-blue);
  color: var(--neon-blue);
  text-decoration: none;
  border-radius: 8px;
  transition: var(--transition);
  font-family: var(--font-sans);
}

.btn-outline:hover {
  background: rgba(0, 225, 255, 0.1);
  box-shadow: 0 0 15px rgba(0, 225, 255, 0.3);
}

.footer-bottom {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

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

  .hamburger {
    display: flex;
  }

  .newsletter-form {
    flex-direction: column;
  }

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

  .about-visual {
    height: 250px;
  }
}