:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-2: #eef2f7;
  --text: #0f172a;
  --muted: #475569;
  --line: #dbe3ee;
  --primary: #0f172a;
  --accent: #1d4ed8;
  --accent-strong: #173ea6;
  --success: #0f766e;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
  --radius: 20px;
  --radius-sm: 14px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(100% - 24px, var(--container));
  margin: 0 auto;
}

.narrow {
  width: min(100%, 780px);
  margin: 0 auto;
}

.section {
  padding: 56px 0;
}

.section-alt {
  background: var(--surface-2);
}

.section-dark {
  background: var(--primary);
  color: #fff;
}

.section-heading {
  margin-bottom: 24px;
}

.section-heading h2 {
  margin: 8px 0 0;
  font-size: 1.9rem;
  line-height: 1.2;
}

.section-heading.light h2,
.section-heading.light .section-label {
  color: #fff;
}

.section-label,
.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(219, 227, 238, 0.9);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.logo {
  color: var(--primary);
  font-weight: 800;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
}

.site-nav {
  display: none;
  position: absolute;
  top: 72px;
  left: 12px;
  right: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 14px;
  flex-direction: column;
  gap: 12px;
}

.site-nav.open {
  display: flex;
}

.site-nav a {
  color: var(--text);
  font-weight: 600;
}

.nav-toggle {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  width: 48px;
  height: 48px;
  border-radius: 14px;
  font-size: 1rem;
  cursor: pointer;
}

.header-call {
  display: none;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  padding: 12px 16px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
}

.header-call:hover {
  text-decoration: none;
}

.hero {
  padding: 34px 0 28px;
}

.hero-grid {
  display: grid;
  gap: 20px;
}

.hero-copy,
.hero-card,
.service-card,
.problem-card,
.feature-card,
.cta-box {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 28px 22px;
}

.hero-copy h1 {
  margin: 10px 0 14px;
  font-size: 2.15rem;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero-text {
  font-size: 1.02rem;
  color: var(--muted);
  margin-bottom: 18px;
}

.hero-points {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.hero-points div {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.hero-points i {
  color: var(--success);
}

.hero-actions {
  display: grid;
  gap: 12px;
  margin-bottom: 10px;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 18px;
  border-radius: 14px;
  font-weight: 700;
  text-decoration: none;
  text-align: center;
}

.btn:hover {
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-secondary {
  background: #e8eefc;
  color: var(--accent);
}

.btn-block {
  width: 100%;
}

.micro-copy {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.hero-card {
  padding: 22px;
}

.card-badge {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: #e7f7f4;
  color: var(--success);
  font-weight: 700;
  font-size: 0.84rem;
  margin-bottom: 14px;
}

.hero-card h2 {
  margin: 0 0 10px;
  font-size: 1.45rem;
}

.card-list {
  list-style: none;
  padding: 0;
  margin: 18px 0;
  display: grid;
  gap: 12px;
}

.card-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 600;
}

.card-list i {
  color: var(--accent);
}

.trust-strip {
  padding: 10px 0 0;
}

.trust-grid {
  display: grid;
  gap: 12px;
}

.trust-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  display: flex;
  gap: 12px;
  align-items: center;
  font-weight: 700;
}

.trust-item i {
  color: var(--accent);
}

.service-grid,
.problem-grid,
.feature-grid {
  display: grid;
  gap: 16px;
}

.service-card,
.problem-card,
.feature-card {
  padding: 22px;
  color: inherit;
  text-decoration: none;
}

.service-card:hover {
  text-decoration: none;
  transform: translateY(-2px);
}

.service-card i,
.feature-card i {
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 14px;
}

.service-card h3,
.problem-card h3,
.feature-card h3 {
  margin: 0 0 10px;
  font-size: 1.18rem;
  line-height: 1.25;
}

.service-card p,
.problem-card p,
.feature-card p,
.support-text {
  margin: 0;
  color: var(--muted);
}

.section-dark .feature-card {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.section-dark .feature-card p {
  color: rgba(255, 255, 255, 0.82);
}

.steps {
  display: grid;
  gap: 16px;
}

.step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  align-items: start;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: #e8eefc;
  color: var(--accent);
  display: grid;
  place-items: center;
  font-weight: 800;
}

.step h3 {
  margin: 0 0 8px;
}

.step p {
  margin: 0;
  color: var(--muted);
}

.cta-section {
  padding-top: 10px;
}

.cta-box {
  padding: 26px 22px;
  display: grid;
  gap: 18px;
}

.cta-box h2 {
  margin: 8px 0 10px;
  font-size: 1.8rem;
  line-height: 1.15;
}

.cta-box p {
  margin: 0;
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list p {
  margin: 12px 0 0;
  color: var(--muted);
}

.last-updated {
  margin-top: 18px;
  font-size: 0.92rem;
  color: var(--muted);
}

.site-footer {
  background: var(--primary);
  color: #fff;
  padding: 42px 0 120px;
}

.footer-grid {
  display: grid;
  gap: 28px;
}

.footer-logo {
  color: #fff;
}

.footer-text {
  color: rgba(255, 255, 255, 0.82);
  max-width: 320px;
}

.site-footer h3 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.84);
}

.footer-call {
  display: inline-block;
  margin-top: 10px;
  font-weight: 800;
  color: #fff;
}

.sticky-call {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 1200;
  min-height: 58px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 800;
  box-shadow: 0 20px 40px rgba(29, 78, 216, 0.35);
  text-decoration: none;
}

.sticky-call:hover {
  text-decoration: none;
}

@media (min-width: 768px) {
  .section {
    padding: 74px 0;
  }

  .hero {
    padding: 44px 0 34px;
  }

  .hero-copy {
    padding: 40px;
  }

  .hero-copy h1 {
    font-size: 3.4rem;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
  }

  .hero-grid {
    grid-template-columns: 1.5fr 0.9fr;
    align-items: stretch;
  }

  .trust-grid,
  .service-grid,
  .problem-grid,
  .feature-grid,
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta-box {
    grid-template-columns: 1.5fr 0.9fr;
    align-items: center;
  }

  .sticky-call {
    left: auto;
    right: 20px;
    bottom: 20px;
    padding: 0 22px;
  }
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    display: flex !important;
    position: static;
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 0;
    flex-direction: row;
    align-items: center;
    gap: 20px;
  }

  .header-call {
    display: inline-flex;
  }

  .hero-copy h1 {
    font-size: 4rem;
  }

  .trust-grid,
  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .problem-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}