:root {
  --bg: #0b1020;
  --surface: #121a33;
  --surface-2: #1a2447;
  --text: #e8ecff;
  --text-muted: #9aa4bf;
  --accent: #5b8cff;
  --accent-2: #3b5bdb;
  --border: #25335c;
  --radius: 12px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
  --max-width: 1120px;
}

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

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  border-bottom: 1px solid var(--border);
  background: rgba(11, 16, 32, 0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.logo {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text);
}

.nav a {
  margin-left: 28px;
  font-weight: 500;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.nav a:hover {
  color: var(--text);
  text-decoration: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  box-shadow: 0 4px 16px rgba(91, 140, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(91, 140, 255, 0.4);
  text-decoration: none;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--surface-2);
  text-decoration: none;
}

/* Hero */
.hero {
  padding: 110px 0 80px;
  text-align: center;
  background: radial-gradient(circle at 50% 0%, rgba(91, 140, 255, 0.12), transparent 60%);
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.02em;
  max-width: 900px;
  margin: 0 auto 24px;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 36px;
}

.hero .btn {
  margin: 8px;
}

/* Sections */
.section {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-align: center;
}

.section-subtitle {
  color: var(--text-muted);
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
  font-size: 1.1rem;
}

/* Problem */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

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

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--text);
}

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

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.service-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(91, 140, 255, 0.3);
}

.service-card .price {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.1rem;
  margin: 8px 0 16px;
}

.service-card ul {
  list-style: none;
  margin: 16px 0 24px;
  flex: 1;
}

.service-card li {
  color: var(--text-muted);
  padding: 6px 0;
  padding-left: 22px;
  position: relative;
  font-size: 0.95rem;
}

.service-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* Process */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  counter-reset: step;
}

.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  font-weight: 800;
  margin-bottom: 14px;
}

.step h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.step p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* FAQ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin-bottom: 14px;
}

.faq-item h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

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

/* CTA */
.cta {
  text-align: center;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 64px 32px;
  margin: 0 24px;
}

.cta h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.cta p {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 28px;
  font-size: 1.1rem;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Form */
.form-container {
  max-width: 800px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.form-section {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.form-section:last-of-type {
  border-bottom: none;
}

.form-section h2 {
  font-size: 1.4rem;
  margin-bottom: 6px;
}

.form-section p {
  color: var(--text-muted);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.form-field {
  margin-bottom: 20px;
}

.form-field label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.form-field .hint {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
}

.form-field textarea {
  min-height: 100px;
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--accent);
}

.checkbox-group,
.radio-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkbox-group label,
.radio-group label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 400;
  cursor: pointer;
}

.checkbox-group input,
.radio-group input {
  width: auto;
}

.form-status {
  margin-top: 16px;
  padding: 14px;
  border-radius: 8px;
  display: none;
}

.form-status.success {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  display: block;
}

.form-status.error {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  display: block;
}

/* Responsive */
@media (max-width: 640px) {
  .hero {
    padding: 70px 0 50px;
  }

  .nav {
    display: none;
  }

  .section {
    padding: 56px 0;
  }

  .cta {
    margin: 0;
  }
}