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

:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #1a1a28;
  --text: #e0e0e8;
  --text-muted: #8888a0;
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --accent-hover: #60a5fa;
  --border: #1e1e30;
  --radius: 12px;
  --max-width: 1100px;
}

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-hover);
}

/* === Navigation === */
.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;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--text);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
}

/* === Hero === */
.hero {
  padding: 160px 0 100px;
  text-align: center;
}

.hero-label {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.accent {
  color: var(--accent);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: white;
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: white;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* === Section Labels === */
.section-label {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.section-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 550px;
  margin-bottom: 48px;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

/* === Problem Section === */
.problem {
  padding: 80px 0;
  text-align: center;
}

.problem h2 {
  margin-bottom: 48px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: left;
}

.problem-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* === Services === */
.services {
  padding: 100px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: border-color 0.2s, background 0.2s;
}

.service-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.service-number {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* === Process === */
.process {
  padding: 80px 0;
  text-align: center;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.process-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 16px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.step {
  max-width: 280px;
  text-align: left;
}

.step-num {
  width: 40px;
  height: 40px;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

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

.step-arrow {
  color: var(--accent);
  font-size: 1.5rem;
  margin-top: 8px;
  display: flex;
  align-items: center;
  height: 40px;
}

/* === Pricing === */
.pricing {
  padding: 100px 0;
  text-align: center;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 16px;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: left;
  position: relative;
}

.price-card-featured {
  border-color: var(--accent);
  box-shadow: 0 0 30px var(--accent-glow);
}

.price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: white;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.price-tier {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.price-amount {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.price-period {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.price-features {
  list-style: none;
  margin-bottom: 20px;
}

.price-features li {
  padding: 6px 0;
  font-size: 0.95rem;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.price-features li:last-child {
  border-bottom: none;
}

.price-best {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 20px;
}

/* === Differentiator === */
.differentiator {
  padding: 80px 0;
  text-align: center;
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-top: 48px;
  text-align: left;
}

.diff-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
}

.diff-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.diff-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* === Contact === */
.contact {
  padding: 100px 0;
  text-align: center;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}

.contact-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 550px;
  margin: 0 auto 36px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

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

/* === Footer === */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* === Responsive === */
@media (max-width: 768px) {
  .nav-links {
    gap: 20px;
  }
  
  .hero {
    padding: 130px 0 70px;
  }
  
  .step-arrow {
    display: none;
  }
  
  .process-steps {
    flex-direction: column;
    align-items: center;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}