:root {
  --navy: #12355b;
  --navy-deep: #0d2846;
  --sky: #5bc0eb;
  --sky-dark: #3aa8d6;
  --emerald: #2bb673;
  --white: #ffffff;
  --bg: #f5f8fa;
  --line: #d7e1e8;
  --muted: #5c7086;
  --muted-strong: #4a5d70;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Inter, system-ui, -apple-system, sans-serif;
  color: var(--navy);
  background: var(--white);
}

a {
  color: var(--sky-dark);
}

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

.navbar {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.navbar-brand {
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--navy) !important;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--muted-strong) !important;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--navy) !important;
}

.btn-navy {
  background: var(--navy);
  color: var(--white);
  font-weight: 700;
  border: 0;
  border-radius: 10px;
  padding: 0.7rem 1.2rem;
}

.btn-navy:hover,
.btn-navy:focus {
  background: var(--navy-deep);
  color: var(--white);
}

.btn-sky {
  background: var(--sky);
  color: var(--navy);
  font-weight: 700;
  border: 0;
  border-radius: 10px;
  padding: 0.7rem 1.2rem;
}

.btn-sky:hover,
.btn-sky:focus {
  background: var(--sky-dark);
  color: var(--white);
}

.btn-outline-navy {
  border: 1.5px solid var(--line);
  color: var(--navy);
  font-weight: 700;
  border-radius: 10px;
}

.btn-outline-navy:hover {
  background: var(--bg);
  color: var(--navy);
  border-color: var(--navy);
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--emerald);
}

.hero {
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  padding: 4.5rem 0 5rem;
}

.hero h1 {
  font-weight: 800;
  letter-spacing: -0.04em;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.08;
}

.hero h1 span {
  color: var(--sky);
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--muted-strong);
  max-width: 32rem;
}

.demo-card {
  background: var(--white);
  border: 1.5px solid var(--navy);
  border-radius: 18px;
  box-shadow: 0 30px 60px rgba(18, 53, 91, 0.15);
  overflow: hidden;
}

.demo-perf {
  border-top: 2px dashed var(--line);
  position: relative;
  margin: 0 1.4rem;
}

.demo-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid #eef3f6;
  font-size: 0.95rem;
}

.demo-item:last-child {
  border-bottom: 0;
}

.demo-check {
  width: 21px;
  height: 21px;
  border-radius: 6px;
  border: 1.5px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.demo-item.checked .demo-check {
  background: var(--emerald);
  border-color: var(--emerald);
}

.demo-item.checked .demo-check::after {
  content: "";
  width: 10px;
  height: 6px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) translateY(-1px);
  display: block;
}

.demo-item.checked span.label {
  color: var(--muted);
  text-decoration: line-through;
}

.section {
  padding: 5rem 0;
}

.section-muted {
  background: var(--bg);
}

.section-navy {
  background: var(--navy);
  color: var(--white);
}

.section-navy .text-soft {
  color: #b8cbdc;
}

.stat-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 1.4rem;
  height: 100%;
}

.stat-card .num {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--sky);
}

.feature-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.6rem;
  height: 100%;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.step-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  font-weight: 800;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.accordion-item {
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.accordion-button {
  font-weight: 700;
  color: var(--navy);
  background: transparent;
  box-shadow: none;
}

.accordion-button:not(.collapsed) {
  background: transparent;
  color: var(--navy);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: none;
  border-color: var(--sky);
}

.page-hero {
  background: var(--navy);
  color: var(--white);
  padding: 4rem 0 3rem;
}

.legal-body h2 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-top: 2rem;
}

.legal-body p,
.legal-body li {
  color: var(--muted-strong);
}

.invite-card {
  max-width: 28rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 2rem;
  font-size: 0.9rem;
}

.site-footer a {
  color: var(--muted-strong);
  font-weight: 600;
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--navy);
}

.mark-logo {
  width: 26px;
  height: 26px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}