:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --surface: rgba(20, 20, 30, 0.7);
  --surface-hover: rgba(30, 30, 45, 0.8);
  --text-primary: #f0f0f7;
  --text-secondary: #b0b0c8;
  --accent: #a78bfa;
  --accent-glow: #7c3aed;
  --accent-soft: rgba(167, 139, 250, 0.15);
  --border: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(18, 18, 30, 0.65);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 30px rgba(167,139,250,0.3);
  --radius: 20px;
  --radius-sm: 12px;
  --transition: 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Outfit', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.inline-link {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(167,139,250,0.4);
  text-underline-offset: 3px;
}
.inline-link:hover { text-decoration-color: var(--accent); }

/* Buttons global */
.btn-primary, .btn-outline, .btn-card {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-glow));
  color: white;
  box-shadow: 0 8px 25px rgba(124,58,237,0.4);
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 35px rgba(167,139,250,0.5);
}
.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.3);
  color: white;
  box-shadow: none;
}
.btn-outline:hover {
  background: rgba(255,255,255,0.06);
  border-color: white;
}
.btn-card {
  background: var(--accent-soft);
  color: var(--accent);
  box-shadow: none;
  padding: 0.6rem 1.5rem;
  font-size: 0.85rem;
  border: 1px solid rgba(167,139,250,0.2);
}
.btn-card:hover {
  background: var(--accent);
  color: white;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 2rem;
  transition: var(--transition);
}
.glass-nav {
  background: rgba(10,10,20,0.7);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--glass-border);
}
.navbar.scrolled {
  background: rgba(8,8,18,0.9);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.nav-container {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: white;
}
.logo-icon svg { stroke: var(--accent); width: 28px; height: 28px; }
.logo-text { font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 1.5rem; }
.logo-text span { color: var(--accent); }
.desktop-nav { display: flex; gap: 2rem; }
.desktop-nav a {
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.desktop-nav a:hover { color: white; }
.nav-cta { padding: 0.6rem 1.8rem; font-size: 0.9rem; }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.hamburger span { width: 26px; height: 2.5px; background: white; border-radius: 2px; transition: var(--transition); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

.mobile-menu {
  display: none;
  flex-direction: column;
  background: rgba(10,10,20,0.95);
  backdrop-filter: blur(25px);
  padding: 2rem;
  gap: 1.5rem;
  border-bottom: 1px solid var(--glass-border);
}
.mobile-menu.open { display: flex; }
.mobile-menu a { color: white; font-weight: 500; }

/* Hero */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 8rem 2rem 4rem;
  overflow: hidden;
}
.hero-bg-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(167,139,250,0.25), transparent 70%);
  top: -100px;
  right: -100px;
  border-radius: 50%;
  pointer-events: none;
}
.hero-container {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  background: var(--accent-soft);
  padding: 0.4rem 1.2rem;
  border-radius: 30px;
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.hero-container h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}
.hero-desc {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 2.5rem;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin: 2rem 0;
}
.stat-item { display: flex; flex-direction: column; font-weight: 600; }
.stat-item span:first-child { font-size: 2.5rem; color: var(--accent); }
.floating-cards {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}
.float-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  padding: 0.8rem 1.5rem;
  border-radius: 40px;
  border: 1px solid var(--glass-border);
}

/* Sections */
section { padding: 5rem 2rem; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header h2 { font-size: 2.5rem; margin-bottom: 0.5rem; }

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.service-card {
  background: var(--surface);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
  transform-style: preserve-3d;
}
.service-card:hover { background: var(--surface-hover); border-color: rgba(167,139,250,0.4); }
.service-icon { margin-bottom: 1.2rem; color: var(--accent); }
.service-card h3 { font-size: 1.4rem; margin-bottom: 0.8rem; }
.service-card p { color: var(--text-secondary); margin-bottom: 1.5rem; }

/* Stats */
.stats-section { background: transparent; }
.stats-glass-card {
  max-width: 700px;
  margin: 0 auto;
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  border-radius: var(--radius);
  padding: 2.5rem;
  display: flex;
  justify-content: space-around;
  border: 1px solid var(--glass-border);
}
.stat-block { text-align: center; }
.stat-block span:first-child { font-size: 3rem; font-weight: 700; color: var(--accent); display: block; }

/* Process Timeline */
.timeline {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}
.timeline-step {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  flex: 1 1 150px;
  border: 1px solid var(--border);
}
.step-number {
  width: 40px; height: 40px;
  background: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  font-weight: 700;
}

/* Portfolio */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}
.portfolio-card {
  border-radius: var(--radius);
  overflow: hidden;
  height: 260px;
  position: relative;
  border: 1px solid var(--border);
}
.placeholder-grad {
  width: 100%; height: 100%;
}
.grad1 { background: linear-gradient(135deg, #2d1b4e, #1a1a2e); }
.grad2 { background: linear-gradient(135deg, #1e3a5f, #0f172a); }
.grad3 { background: linear-gradient(135deg, #3b2d1f, #1e1e24); }
.port-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: rgba(0,0,0,0.7); padding: 1rem; backdrop-filter: blur(4px);
}

/* Article */
.article-section { background: var(--bg-secondary); }
.article-container {
  max-width: 800px;
  margin: 0 auto;
  background: var(--surface);
  padding: 3rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.article-container h2 { font-size: 2.2rem; margin-bottom: 1rem; }
.article-container h3 { font-size: 1.6rem; margin: 2.5rem 0 1rem; color: var(--accent); }
.callout-box, .tip-box, .warning-box, .stats-box, .quote-box {
  padding: 1.5rem; border-radius: var(--radius-sm); margin: 2rem 0;
  background: var(--accent-soft); border-left: 4px solid var(--accent);
}
.warning-box { background: rgba(255,100,80,0.1); border-left-color: #ff6b6b; }
.comparison-table { background: rgba(255,255,255,0.03); border-radius: var(--radius-sm); padding: 1rem; }
.comparison-table div { display: flex; justify-content: space-between; padding: 0.5rem; border-bottom: 1px solid var(--border); }
.checklist { list-style: none; }
.checklist li::before { content: "✓"; color: var(--accent); margin-right: 0.5rem; }

/* FAQ */
.faq-list { max-width: 700px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%; text-align: left; background: none; border: none;
  padding: 1.5rem 0; font-size: 1.1rem; font-weight: 600; color: white;
  cursor: pointer; display: flex; justify-content: space-between;
}
.faq-answer { max-height: 0; overflow: hidden; transition: 0.3s; color: var(--text-secondary); }
.faq-item.active .faq-answer { max-height: 200px; padding-bottom: 1rem; }

/* Testimonials */
.testimonial-cards {
  display: flex; gap: 2rem; max-width: 1000px; margin: 0 auto; flex-wrap: wrap; justify-content: center;
}
.testimonial {
  background: var(--surface); border-radius: var(--radius); padding: 2rem;
  flex: 1 1 250px; border: 1px solid var(--border);
}
.t-avatar { width: 50px; height: 50px; background: var(--accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; margin-bottom: 1rem; }

/* Contact */
.contact-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; max-width: 1000px; margin: 0 auto;
}
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.contact-form input, .contact-form textarea {
  padding: 1rem; background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: white; font-family: inherit;
}
.form-success { display: none; color: #4ade80; margin-top: 1rem; }

/* Footer */
.footer { background: var(--bg-secondary); padding: 4rem 2rem 2rem; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; max-width: 1200px; margin: 0 auto; }
.footer-links a { display: block; color: var(--text-secondary); margin: 0.4rem 0; }
.footer-bottom { text-align: center; margin-top: 3rem; color: var(--text-secondary); }

/* Reveal animations */
.reveal-hidden { opacity: 0; transform: translateY(30px); transition: 0.7s ease; }
.revealed { opacity: 1; transform: translateY(0); }

.mouse-trail {
  position: fixed; width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(167,139,250,0.08), transparent 70%);
  border-radius: 50%; pointer-events: none; transform: translate(-50%,-50%); z-index: 0;
}

/* Responsive */
@media (max-width: 968px) {
  .desktop-nav, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .contact-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .hero-stats { flex-direction: column; gap: 1rem; }
  .stats-glass-card { flex-direction: column; gap: 2rem; }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .footer-grid { grid-template-columns: 1fr; }
}