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

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

body {
  margin: 0;
  font-family: 'Montserrat', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: #1f2733;
  background: #f5f7fa;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(31, 39, 51, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1.5rem;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: #0052d4;
}

.tagline {
  margin: 0;
  font-size: 0.8rem;
  color: #6c7890;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.95rem;
}

.main-nav a {
  position: relative;
  padding-bottom: 0.1rem;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #0052d4, #65c7f7);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  transform: scaleX(1);
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.3rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #0052d4, #65c7f7);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 82, 212, 0.2);
}

.hero {
  padding: 5rem 0 4rem;
  background: radial-gradient(circle at top right, rgba(101, 199, 247, 0.2), transparent 48%), #fff;
}

.hero-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 3rem;
  align-items: center;
}

.hero-text h1 {
  margin-top: 0;
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  line-height: 1.2;
  color: #0f1e39;
}

.hero-text p {
  color: #4a5668;
  margin-bottom: 1.8rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-actions .primary,
.hero-actions .secondary {
  padding: 0.75rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.hero-actions .primary {
  background: linear-gradient(135deg, #0052d4, #65c7f7);
  color: #fff;
}

.hero-actions .secondary {
  background: rgba(15, 30, 57, 0.08);
  color: #0f1e39;
}

.hero-actions a:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 18px rgba(15, 30, 57, 0.15);
}

.hero-card {
  border-radius: 18px;
  padding: 1.6rem;
  background: #0f1e39;
  color: #fff;
  box-shadow: 0 20px 40px rgba(15, 30, 57, 0.2);
}

.hero-card .card-title {
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  opacity: 0.8;
}

.hero-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.hero-card span {
  display: inline-block;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.section {
  padding: 4.5rem 0;
}

.section.muted {
  background: #eef3f8;
}

.section-head {
  max-width: 600px;
  margin-bottom: 2.5rem;
}

.section-head h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: #0f1e39;
}

.section-head p {
  margin: 0;
  color: #4a5668;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.8rem;
}

.platform-card {
  background: #fff;
  border-radius: 18px;
  padding: 1.8rem;
  box-shadow: 0 18px 40px rgba(15, 30, 57, 0.08);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.platform-card h3 {
  margin: 0;
  font-size: 1.3rem;
  color: #0f1e39;
}

.platform-card p {
  margin: 0;
  color: #4a5668;
}

.platform-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: #3b4659;
  font-size: 0.95rem;
  line-height: 1.5;
}

.platform-card .visit {
  margin-top: auto;
  align-self: flex-start;
  padding: 0.65rem 1.4rem;
  border-radius: 999px;
  background: #0f64d2;
  color: #fff;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.platform-card .visit:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(15, 100, 210, 0.25);
}

.flag {
  position: absolute;
  top: -0.8rem;
  left: 1.2rem;
  background: linear-gradient(135deg, #ff512f, #dd2476);
  color: #fff;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.flag.alt {
  background: linear-gradient(135deg, #11998e, #38ef7d);
}

.table-scroll {
  overflow-x: auto;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(15, 30, 57, 0.08);
}

.compare-table th,
.compare-table td {
  padding: 1.1rem 1.2rem;
  text-align: left;
}

.compare-table thead {
  background: #0f1e39;
  color: #fff;
}

.compare-table tbody tr:nth-child(even) {
  background: rgba(14, 24, 56, 0.05);
}

.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

.insight-card {
  background: #fff;
  border-radius: 16px;
  padding: 1.6rem;
  box-shadow: 0 16px 36px rgba(15, 30, 57, 0.08);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.insight-card .chip {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  background: rgba(0, 82, 212, 0.1);
  color: #0f64d2;
  letter-spacing: 0.05em;
}

.insight-card h3 {
  margin: 0;
  font-size: 1.1rem;
  color: #0f1e39;
}

.insight-card p {
  margin: 0;
  color: #4a5668;
}

.insight-card a {
  font-weight: 600;
  color: #0f64d2;
}

.faq {
  display: grid;
  gap: 1.5rem;
}

.accordion details {
  background: #fff;
  border-radius: 12px;
  padding: 1rem 1.4rem;
  box-shadow: 0 12px 24px rgba(15, 30, 57, 0.06);
}

.accordion summary {
  cursor: pointer;
  font-weight: 600;
  color: #0f1e39;
}

.accordion p {
  margin-top: 0.8rem;
  color: #4a5668;
}

.site-footer {
  background: #0f1e39;
  color: #eef3f8;
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.site-footer h4 {
  margin: 0 0 0.8rem;
  font-size: 1rem;
  color: #fff;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.responsive {
  width: 100%;
}

.responsible {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.6rem;
  color: #65c7f7;
  font-weight: 600;
}

.responsible::after {
  content: '→';
  transition: transform 0.2s ease;
}

.responsible:hover::after {
  transform: translateX(3px);
}

.copyright {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(238, 243, 248, 0.6);
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
  }

  .header-inner {
    justify-content: space-between;
  }

  .hero {
    padding-top: 4rem;
  }

  .section {
    padding: 3.5rem 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}