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

:root {
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a26;
  --text: #e4e4e7;
  --text-muted: #a1a1aa;
  --border: #27272a;
  --radius: 12px;
  --radius-sm: 8px;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--primary-light); color: var(--primary-light); }
.btn-sm { padding: 8px 20px; font-size: 0.875rem; }
.btn-full { width: 100%; }

/* ========== Navigation ========== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  backdrop-filter: blur(16px);
  background: rgba(10, 10, 15, 0.8);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.5px; }
.logo-dot { color: var(--primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; }
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: 0.3s;
}

/* ========== Hero ========== */
.hero {
  padding: 160px 0 100px;
  min-height: 90vh;
  display: flex;
  align-items: center;
}
.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-tag {
  color: var(--primary-light);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}
.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 12px; }
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-graphic { position: relative; width: 400px; height: 400px; }
.hero-svg { width: 100%; height: 100%; animation: spin 60s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.4;
}
.orb-1 { width: 200px; height: 200px; background: var(--primary); top: 20%; left: 10%; }
.orb-2 { width: 150px; height: 150px; background: #8b5cf6; bottom: 15%; right: 10%; }
.orb-3 { width: 100px; height: 100px; background: #06b6d4; top: 10%; right: 20%; }

/* ========== Sections ========== */
.section-tag {
  color: var(--primary-light);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}
.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 48px;
}

/* ========== Services ========== */
.services { padding: 100px 0; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.25s ease;
}
.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  transform: translateY(-2px);
}
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ========== About ========== */
.about { padding: 100px 0; background: var(--bg-card); }
.about-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}
.about-text p { color: var(--text-muted); margin-bottom: 16px; font-size: 1.05rem; }
.stats { display: flex; gap: 40px; margin-top: 32px; }
.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-light);
}
.stat-label { font-size: 0.85rem; color: var(--text-muted); }
.about-visual { display: flex; justify-content: center; }
.about-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  max-width: 280px;
}
.about-card-icon { font-size: 3rem; margin-bottom: 16px; }
.about-card p { color: var(--text-muted); font-size: 1rem; }

/* ========== Testimonials ========== */
.testimonials { padding: 100px 0; background: var(--bg-card); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s;
}
.testimonial-card:hover { border-color: var(--primary); }
.testimonial-stars { color: #f59e0b; font-size: 1.1rem; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-text {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  flex: 1;
  margin-bottom: 24px;
  font-style: italic;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.15);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}
.author-name { font-weight: 600; font-size: 0.9rem; }
.author-title { color: var(--text-muted); font-size: 0.8rem; }

/* ========== Pricing ========== */
.pricing { padding: 100px 0; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  transition: all 0.25s ease;
}
.pricing-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.pricing-card.featured {
  border-color: var(--primary);
  background: linear-gradient(180deg, rgba(99,102,241,0.08) 0%, var(--bg-card) 100%);
}
.featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.pricing-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 6px; }
.pricing-desc { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 24px; }
.pricing-price { margin-bottom: 28px; display: flex; align-items: baseline; gap: 2px; }
.price-currency { font-size: 1.25rem; font-weight: 600; color: var(--text-muted); }
.price-value { font-size: 2.75rem; font-weight: 700; color: var(--text); letter-spacing: -1px; }
.price-period { font-size: 0.9rem; color: var(--text-muted); margin-left: 4px; }
.pricing-features { list-style: none; margin-bottom: 28px; }
.pricing-features li {
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 6px 0;
  border-bottom: 1px solid rgba(39, 39, 42, 0.5);
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-note {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 40px;
}

/* ========== Process ========== */
.process { padding: 100px 0; }
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.step {
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: border-color 0.2s;
}
.step:hover { border-color: var(--primary); }
.step-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  display: block;
}
.step-icon { color: var(--primary-light); margin-bottom: 8px; }
.step h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.step p { color: var(--text-muted); font-size: 0.9rem; }

/* ========== FAQ ========== */
.faq { padding: 100px 0; background: var(--bg-card); }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s;
}
.faq-item:hover { border-color: var(--primary); }
.faq-question {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}
.faq-answer {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ========== Contact ========== */
.contact { padding: 100px 0; background: var(--bg-card); }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-text p { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 16px; }
.contact-info { margin-top: 24px; }
.contact-info p { color: var(--text); font-size: 1rem; }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.contact-form input,
.contact-form textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}
.contact-form input:focus,
.contact-form textarea:focus { border-color: var(--primary); }
.contact-form textarea { resize: vertical; }

/* ========== Footer ========== */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer p { color: var(--text-muted); font-size: 0.85rem; }

/* ========== Mobile ========== */
@media (max-width: 768px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero h1 { font-size: 2.5rem; }
  .hero-sub { margin: 0 auto 32px; }
  .hero-actions { justify-content: center; }
  .hero-visual { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; }
  .about-visual { display: none; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.featured { margin: 0; }
  .faq-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
  .stats { gap: 24px; justify-content: center; }
  .footer-inner { flex-direction: column; gap: 12px; }

  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 24px;
    gap: 20px;
  }
  .nav-links.active { display: flex; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .process-steps { grid-template-columns: 1fr; }
  .stats { flex-direction: column; align-items: center; }
}