:root {
  --bg: #f4f9ff;
  --surface: #ffffff;
  --surface-2: #eef7ff;
  --primary: #0f7bff;
  --primary-dark: #0a5ed6;
  --text: #10233f;
  --muted: #5f748f;
  --border: #dfeeff;
  --shadow: 0 18px 50px rgba(15, 123, 255, 0.08);
  --radius: 18px;
  --header-bg: rgba(255, 255, 255, 0.88);
}

[data-theme="dark"] {
  --bg: #0b1220;
  --surface: #101b32;
  --surface-2: #162544;
  --primary: #5aa7ff;
  --primary-dark: #2f7fff;
  --text: #eef6ff;
  --muted: #a7bedf;
  --border: #1f335b;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.38);
  --header-bg: rgba(8, 13, 27, 0.82);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: linear-gradient(180deg, var(--bg) 0%, var(--surface-2) 100%);
  color: var(--text);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 18px;
}

.logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  display: block;
}

nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

nav a {
  font-size: 0.95rem;
  color: var(--muted);
  transition: color 0.2s ease;
}

nav a:hover {
  color: var(--primary);
}

nav a.active {
  color: var(--primary);
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(90deg, var(--primary), #3f9dff);
  color: #fff;
  padding: 14px 22px;
  box-shadow: 0 10px 28px rgba(15, 123, 255, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(90deg, var(--primary-dark), var(--primary));
}

.btn-secondary {
  color: var(--primary);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 14px 22px;
}

.hero {
  padding: 90px 0 60px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}

.hero h1 {
  font-size: clamp(2.7rem, 4.6vw, 4.5rem);
  line-height: 1;
  margin-bottom: 18px;
}

.hero h1 span {
  color: var(--primary);
}

.hero-text {
  font-size: 1rem;
  color: var(--muted);
  max-width: 58ch;
  margin-bottom: 22px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
}

.trust-list {
  list-style: none;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.trust-list li {
  color: var(--muted);
  font-size: 0.95rem;
  position: relative;
  padding-left: 18px;
}

.trust-list li::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  transform: translateY(-50%);
}

.hero-card {
  background: linear-gradient(180deg, var(--surface-2) 0%, var(--surface) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}

.hero-card-inner {
  background: linear-gradient(180deg, var(--primary) 0%, #5ea9ff 100%);
  color: #fff;
  border-radius: 16px;
  padding: 34px 28px;
}

.card-label {
  font-size: 0.9rem;
  opacity: 0.9;
  margin-bottom: 10px;
}

.hero-card h3 {
  font-size: 3rem;
  margin-bottom: 4px;
}

.card-price {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 18px;
}

.hero-card ul {
  list-style: none;
}

.hero-card li {
  margin-bottom: 8px;
  opacity: 0.95;
}

.info-strip {
  padding: 28px 0;
}

.info-strip-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  background: var(--surface);
  border-radius: 16px;
  border: 1px solid var(--border);
  padding: 18px 0;
}

.info-strip-content div {
  text-align: center;
}

.info-strip-content strong {
  display: block;
  font-size: 1.4rem;
  color: var(--primary);
}

.info-strip-content span {
  color: var(--muted);
  font-size: 0.92rem;
}

.feature-section,
.pricing-section,
.process-section,
.benefits-section,
.faq-section,
.contact-section,
.cta-section {
  padding: 80px 0;
}

.section-heading {
  text-align: center;
  margin-bottom: 38px;
}

.section-heading h2 {
  font-size: clamp(2rem, 3vw, 3rem);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
}

.feature-card h3 {
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--muted);
}

.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: linear-gradient(90deg, var(--primary), #73b7ff);
  color: #fff;
  padding: 32px;
  border-radius: 18px;
}

.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 34px;
  box-shadow: var(--shadow);
}

.contact-card p {
  color: var(--muted);
  margin-bottom: 18px;
}

.contact-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.page-hero {
  padding: 68px 0 50px;
}

.page-hero h1 {
  font-size: clamp(2.3rem, 4vw, 3.6rem);
  margin-bottom: 16px;
}

.page-hero p {
  color: var(--muted);
  max-width: 65ch;
}

.pricing-table-wrap {
  overflow-x: auto;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.pricing-table th,
.pricing-table td {
  padding: 18px 22px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.pricing-table th {
  font-size: 0.9rem;
  color: var(--muted);
  background: var(--surface-2);
}

.pricing-table td:first-child,
.pricing-table th:first-child {
  font-weight: 700;
}

.pricing-table td:nth-child(2) {
  font-weight: 700;
  color: var(--primary);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.process-card,
.benefit-points > div {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 26px;
  box-shadow: var(--shadow);
}

.process-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--surface-2);
  color: var(--primary);
  border-radius: 12px;
  font-weight: 800;
  margin-bottom: 14px;
}

.process-card h3 {
  margin-bottom: 10px;
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
}

.benefit-text {
  color: var(--muted);
  max-width: 58ch;
}

.benefit-points {
  display: grid;
  gap: 16px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-list details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 22px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
}

.faq-list p {
  color: var(--muted);
  margin-top: 10px;
}

.footer {
  padding: 24px 0 48px;
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 0.94rem;
}

@media (max-width: 900px) {
  .hero-grid,
  .benefits-grid,
  .process-grid,
  .info-strip-content,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    flex-direction: column;
    text-align: center;
  }

  .nav-wrap {
    flex-wrap: wrap;
  }

  nav {
    width: 100%;
    justify-content: center;
  }

  .nav-btn {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 60px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn,
  .btn-primary,
  .btn-secondary {
    width: 100%;
  }

  .trust-list {
    flex-direction: column;
  }

  .footer-wrap {
    flex-direction: column;
    text-align: center;
  }
}
