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

:root {
  --bg: #0a0a0f;
  --bg2: #111118;
  --surface: #16161f;
  --border: #242433;
  --accent: #6c63ff;
  --accent2: #a78bfa;
  --text: #f0f0ff;
  --text2: #9090b0;
  --radius: 16px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

/* NAV */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 24px;
  margin-left: auto;
}

.nav-links a {
  color: var(--text2);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text2);
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.2s;
}
.lang-btn:hover { color: var(--text); border-color: var(--accent); }

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: #7c74ff; transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--text2);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--accent2); }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-full { width: 100%; text-align: center; }

/* HERO */
.hero {
  padding: 140px 0 80px;
  text-align: center;
}

.badge {
  display: inline-block;
  background: rgba(108,99,255,0.15);
  border: 1px solid rgba(108,99,255,0.3);
  color: var(--accent2);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text2);
  max-width: 560px;
  margin: 0 auto 36px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 40px;
}

.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent2);
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text2);
}

/* SECTIONS */
.section { padding: 80px 0; }
.section-dark { background: var(--bg2); }

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 8px;
}
.section-header p { color: var(--text2); font-size: 1.05rem; }

/* SERVICES */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
}
.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.service-card.featured {
  border-color: var(--accent);
  background: rgba(108,99,255,0.08);
}
.service-badge {
  position: absolute;
  top: -12px;
  left: 24px;
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 100px;
}
.service-icon { font-size: 2rem; margin-bottom: 12px; }
.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.service-card p { color: var(--text2); font-size: 0.9rem; line-height: 1.6; }

/* STEPS */
.steps {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  flex: 1;
  min-width: 200px;
  max-width: 240px;
}
.step-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 12px;
}
.step h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.step p { color: var(--text2); font-size: 0.85rem; }
.step-arrow {
  color: var(--accent2);
  font-size: 1.5rem;
  margin-top: 40px;
  opacity: 0.5;
}

/* CONTACT */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info h2 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.contact-info p { color: var(--text2); margin-bottom: 28px; }
.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-list li { color: var(--text2); font-size: 0.95rem; }
.contact-list li span { color: var(--text); }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text2); }
.form-group input,
.form-group select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  padding: 12px 14px;
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus { border-color: var(--accent); }
.form-group select option { background: var(--bg); }

.form-note { font-size: 0.85rem; color: var(--accent2); text-align: center; min-height: 20px; }

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-inner p { color: var(--text2); font-size: 0.85rem; }

/* CHAT WIDGET */
.chat-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
}

.chat-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(108,99,255,0.4);
  transition: transform 0.2s;
}
.chat-toggle:hover { transform: scale(1.1); }

.chat-box {
  position: absolute;
  bottom: 68px;
  right: 0;
  width: 320px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: none;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
}
.chat-box.open { display: flex; }

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
}
.chat-close {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  font-size: 1rem;
}

.chat-messages {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 200px;
  max-height: 300px;
  overflow-y: auto;
}

.chat-msg {
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.875rem;
  line-height: 1.5;
  max-width: 90%;
}
.chat-msg.bot {
  background: var(--bg2);
  color: var(--text);
  align-self: flex-start;
}
.chat-msg.user {
  background: var(--accent);
  color: #fff;
  align-self: flex-end;
}

.chat-input-wrap {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--border);
}
.chat-input-wrap input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 8px 12px;
  font-size: 0.875rem;
  font-family: inherit;
  outline: none;
}
.chat-input-wrap button {
  background: var(--accent);
  border: none;
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .contact-wrap { grid-template-columns: 1fr; gap: 32px; }
  .steps { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); margin: 0; }
  .hero-stats { gap: 24px; }
}

/* TESTIMONIALS */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.2s, transform 0.2s;
}
.testimonial-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.testimonial-card.featured {
  border-color: var(--accent);
  background: rgba(108,99,255,0.08);
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.testimonial-text {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.7;
  flex: 1;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonial-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text);
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--text2);
  margin-top: 2px;
}