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

:root {
  --color-bg: #ffffff;
  --color-surface: #f7f8fa;
  --color-border: #e2e5ea;
  --color-text: #1a1d23;
  --color-muted: #6b7280;
  --color-accent: #1e40af;
  --color-accent-light: #dbeafe;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --max-width: 960px;
  --radius: 6px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

/* ── Layout ── */

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

/* ── Header / Nav ── */

header {
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
  position: sticky;
  top: 0;
  background: var(--color-bg);
  z-index: 10;
}

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

.nav-logo {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

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

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

.nav-links a {
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s;
}

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

/* ── Hero ── */

.hero {
  padding: 80px 0 72px;
  border-bottom: 1px solid var(--color-border);
}

.hero-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  max-width: 640px;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 540px;
  margin-bottom: 32px;
}

.btn {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.15s, transform 0.1s;
}

.btn:hover {
  background: #1e3a8a;
  text-decoration: none;
  transform: translateY(-1px);
}

/* ── How it works ── */

.section {
  padding: 72px 0;
  border-bottom: 1px solid var(--color-border);
}

.section-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
}

.section-intro {
  font-size: 1rem;
  color: var(--color-muted);
  max-width: 560px;
  margin-bottom: 48px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.55;
}

/* ── Services ── */

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

.service-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.service-icon {
  font-size: 1.5rem;
  margin-bottom: 14px;
}

.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.55;
}

/* ── Why section ── */

.why-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 0;
}

.why-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.why-check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 800;
  margin-top: 2px;
}

.why-item p {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.55;
}

.why-item strong {
  color: var(--color-text);
  display: block;
  font-weight: 600;
  margin-bottom: 2px;
}

/* ── CTA band ── */

.cta-band {
  padding: 72px 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.cta-band h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}

.cta-band p {
  font-size: 1rem;
  color: var(--color-muted);
  max-width: 460px;
  margin: 0 auto 28px;
}

/* ── Contact ── */

.contact-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 32px;
}

.contact-row {
  display: flex;
  gap: 10px;
  font-size: 0.95rem;
}

.contact-label {
  font-weight: 600;
  min-width: 72px;
  color: var(--color-text);
}

.contact-value {
  color: var(--color-muted);
}

/* ── Footer ── */

footer {
  padding: 32px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-logo {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
}

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

.footer-copy {
  font-size: 0.82rem;
  color: var(--color-muted);
}

/* ── Responsive ── */

@media (max-width: 640px) {
  .hero {
    padding: 56px 0 48px;
  }

  .section {
    padding: 56px 0;
  }

  .nav-links {
    gap: 20px;
  }

  .steps,
  .services-grid,
  .why-list {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}