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

:root {
  --primary: #6c63ff;
  --primary-dark: #5a52d5;
  --dark: #0f0f1a;
  --dark2: #1a1a2e;
  --dark3: #16213e;
  --text: #e2e2e2;
  --text-muted: #9090a0;
  --card-bg: #1e1e35;
  --border: rgba(108, 99, 255, 0.2);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 15, 26, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

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

.logo {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
}

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

.nav-btn {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.nav-btn:hover { background: var(--primary-dark); }

/* HERO */
.hero {
  padding: 140px 0 100px;
  background: radial-gradient(ellipse at 70% 50%, rgba(108, 99, 255, 0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(108, 99, 255, 0.08) 0%, transparent 50%),
              var(--dark);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 20px;
}

.hero-text p {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 460px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #a855f7);
  color: #fff;
  border: none;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 24px rgba(108, 99, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(108, 99, 255, 0.5);
}

.btn-large { padding: 18px 48px; font-size: 18px; }
.btn-full { width: 100%; margin-top: 8px; }

/* HERO VISUAL */
.hero-visual {
  position: relative;
  height: 320px;
}

.card-float {
  position: absolute;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 500;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  animation: float 3s ease-in-out infinite;
}

.card-float .icon { font-size: 24px; }

.card1 { top: 20px; left: 0; animation-delay: 0s; }
.card2 { top: 130px; right: 0; animation-delay: 1s; }
.card3 { bottom: 20px; left: 40px; animation-delay: 2s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* SERVICES */
.services {
  padding: 100px 0;
  background: var(--dark2);
}

.section-title {
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 56px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: transform 0.2s, border-color 0.2s;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}

.service-icon { font-size: 40px; margin-bottom: 16px; }

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 20px;
}

.service-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-card ul li {
  font-size: 14px;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}

.service-card ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--primary);
}

/* WHY */
.why { padding: 100px 0; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.why-item { text-align: center; }

.why-num {
  font-size: 40px;
  font-weight: 800;
  color: var(--primary);
  opacity: 0.4;
  margin-bottom: 12px;
}

.why-item h4 {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.why-item p { font-size: 14px; color: var(--text-muted); }

/* CTA */
.cta {
  padding: 100px 0;
  background: linear-gradient(135deg, rgba(108,99,255,0.15), rgba(168,85,247,0.1));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cta-inner { text-align: center; }

.cta h2 {
  font-size: 40px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.cta p {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 36px;
}

/* FOOTER */
.footer {
  padding: 40px 0;
  background: var(--dark);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer p { color: var(--text-muted); font-size: 14px; }

/* MODAL */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 200;
  justify-content: center;
  align-items: center;
}

.modal-overlay.active { display: flex; }

.modal {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  width: 100%;
  max-width: 460px;
  position: relative;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
}

.modal h3 {
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.modal p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 24px;
}

.modal form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal input,
.modal select,
.modal textarea {
  background: var(--dark3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}

.modal input:focus,
.modal select:focus,
.modal textarea:focus { border-color: var(--primary); }

.modal select option { background: var(--dark2); }

.modal textarea { resize: none; }

/* SUCCESS MODAL */
.success-modal { text-align: center; padding: 60px 40px; }
.success-icon { font-size: 64px; margin-bottom: 20px; }
.success-modal h3 { font-size: 26px; margin-bottom: 12px; }
.success-modal p { margin-bottom: 28px; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero-text h1 { font-size: 36px; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .hero { padding: 120px 0 60px; }
  .hero-text h1 { font-size: 28px; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
  .cta h2 { font-size: 28px; }
}