:root {
  --bg: #f6f8fc;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-solid: #ffffff;
  --text: #10131a;
  --muted: #626977;
  --line: rgba(16, 19, 26, 0.1);
  --blue: #087ff5;
  --blue-dark: #0067ce;
  --green: #25b968;
  --purple: #6b5ce7;
  --shadow: 0 20px 55px rgba(35, 55, 95, 0.12);
  --radius: 26px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% -4%, rgba(8, 127, 245, 0.17), transparent 29rem),
    radial-gradient(circle at 90% 18%, rgba(37, 185, 104, 0.11), transparent 25rem),
    var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
.skip-link { position: absolute; top: -100px; left: 20px; z-index: 10; padding: 12px 20px; border-radius: 12px; color: var(--text); background: var(--surface-solid); }
.skip-link:focus { top: 12px; }

.site-header {
  width: min(1120px, calc(100% - 40px));
  margin: 18px auto 0;
  padding: 12px 14px 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 10px 35px rgba(38, 55, 87, 0.08);
  position: sticky;
  top: 12px;
  z-index: 5;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 760;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: block;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 8px 18px rgba(8, 127, 245, 0.22);
}

nav { display: flex; gap: 6px; }

nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 650;
  padding: 9px 13px;
  border-radius: 12px;
}

nav a:hover, nav a.active {
  color: var(--text);
  background: rgba(8, 127, 245, 0.09);
}

main {
  width: min(1060px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  padding: 112px 0 76px;
  max-width: 840px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
}

h1, h2, h3, p { text-wrap: pretty; }

h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 0.96;
  letter-spacing: -0.065em;
  font-weight: 820;
}

h1 span {
  background: linear-gradient(105deg, var(--blue) 12%, #24a9e8 50%, var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-copy {
  max-width: 650px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2.1vw, 1.34rem);
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  min-height: 50px;
  padding: 13px 19px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 15px;
  text-decoration: none;
  font-weight: 720;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover { transform: translateY(-2px); }

.button.primary {
  color: white;
  background: linear-gradient(135deg, #149df6, var(--blue));
  box-shadow: 0 12px 30px rgba(8, 127, 245, 0.28), inset 0 1px rgba(255, 255, 255, 0.35);
}

.button.secondary {
  color: var(--text);
  background: var(--surface-solid);
  border: 1px solid var(--line);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card {
  min-height: 280px;
  padding: 28px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: "";
  position: absolute;
  width: 170px;
  height: 170px;
  right: -75px;
  bottom: -90px;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.12;
}

.feature-card.blue::after { background: var(--blue); }
.feature-card.green::after { background: var(--green); }
.feature-card.purple::after { background: var(--purple); }

.feature-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: white;
  border-radius: 15px;
  font-size: 1.35rem;
  font-weight: 800;
}

.blue .feature-icon { background: linear-gradient(145deg, #25b1ef, var(--blue)); }
.green .feature-icon { background: linear-gradient(145deg, #4edb83, var(--green)); }
.purple .feature-icon { background: linear-gradient(145deg, #8e81f5, var(--purple)); }

.feature-card h2 {
  margin: 34px 0 8px;
  font-size: 1.45rem;
  letter-spacing: -0.025em;
}

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

.text-link {
  display: inline-block;
  margin-top: 16px;
  font-weight: 700;
  text-decoration: none;
}

.content-section { padding: 110px 0 70px; }

.section-heading h2, .contact-card h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.faq-list {
  margin-top: 34px;
  border-top: 1px solid var(--line);
}

details { border-bottom: 1px solid var(--line); }

summary {
  padding: 23px 42px 23px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 1.08rem;
  font-weight: 720;
  position: relative;
}

summary::-webkit-details-marker { display: none; }

summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  color: var(--blue);
  font-size: 1.4rem;
  font-weight: 450;
}

details[open] summary::after { content: "−"; }

details p {
  max-width: 790px;
  margin: -5px 0 25px;
  color: var(--muted);
}

.contact-card {
  margin: 20px 0 95px;
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-radius: 30px;
  color: white;
  background:
    radial-gradient(circle at 80% -60%, rgba(95, 226, 179, 0.55), transparent 55%),
    linear-gradient(135deg, #10243e, #083b70 55%, #075695);
  box-shadow: 0 25px 60px rgba(7, 47, 91, 0.24);
}

.contact-card .eyebrow { color: #76cdfd; }
.contact-card p:not(.eyebrow) { margin: 12px 0 0; color: rgba(255, 255, 255, 0.73); }

footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 40px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

footer p { margin: 0; }
footer div { display: flex; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--muted); text-decoration: none; }

.policy-page { max-width: 980px; }

.policy-hero { padding: 100px 0 55px; }

.policy-hero h1 {
  max-width: 900px;
  font-size: clamp(2.8rem, 6.8vw, 5.2rem);
}

.effective-date { margin-top: 20px; color: var(--muted); font-weight: 650; }

.privacy-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  padding: 1px;
  border-radius: 24px;
  overflow: hidden;
  background: var(--line);
  box-shadow: var(--shadow);
}

.privacy-summary div {
  padding: 25px;
  display: flex;
  flex-direction: column;
  background: var(--surface-solid);
}

.privacy-summary strong { color: var(--blue); font-size: 1.02rem; }
.privacy-summary span { margin-top: 5px; color: var(--muted); font-size: 0.93rem; }

.policy-content {
  margin: 70px 0 100px;
  padding: 54px clamp(24px, 6vw, 74px);
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 30px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.policy-content section + section {
  margin-top: 38px;
  padding-top: 38px;
  border-top: 1px solid var(--line);
}

.policy-content h2 {
  margin: 0 0 12px;
  font-size: 1.35rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.policy-content p { margin: 0; color: var(--muted); }
.policy-content p + p { margin-top: 14px; }

@media (max-width: 780px) {
  .feature-grid, .privacy-summary { grid-template-columns: 1fr; }
  .feature-card { min-height: 230px; }
  .contact-card { align-items: flex-start; flex-direction: column; }
  .contact-card .button { width: 100%; }
  .hero { padding-top: 80px; }
}

@media (max-width: 520px) {
  .site-header { width: min(100% - 24px, 1120px); top: 7px; flex-wrap: wrap; gap: 8px; }
  nav { flex-wrap: wrap; }
  main, footer { width: min(100% - 28px, 1060px); }
  nav a { padding: 8px 9px; }
  .hero { padding-top: 66px; }
  .hero-actions, .hero-actions .button { width: 100%; }
  .feature-card, .contact-card { padding: 24px; border-radius: 23px; }
  .content-section { padding-top: 84px; }
  .policy-hero { padding-top: 70px; }
  .policy-content { margin-top: 40px; padding: 28px 22px; border-radius: 24px; }
  footer { flex-direction: column; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0e13;
    --surface: rgba(30, 33, 41, 0.82);
    --surface-solid: #1b1e25;
    --text: #f5f7fb;
    --muted: #a4aab6;
    --line: rgba(255, 255, 255, 0.11);
    --shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
  }

  body {
    background:
      radial-gradient(circle at 12% -4%, rgba(8, 127, 245, 0.2), transparent 27rem),
      radial-gradient(circle at 90% 18%, rgba(37, 185, 104, 0.1), transparent 24rem),
      var(--bg);
  }

  .site-header {
    border-color: rgba(255, 255, 255, 0.1);
    background: rgba(23, 26, 33, 0.72);
  }

  .feature-card, .policy-content { border-color: rgba(255, 255, 255, 0.08); }
  .button.secondary { background: #20242c; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}