@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  background-color: transparent;
}

:root {
  --navy:   #1E4FA1;
  --navy2:  #163A78;
  --light:  #EAF1FD;
  --bg:     #F2F2F7;
  --white:  #FFFFFF;
  --text:   #1C1C1E;
  --gray:   #6E6E73;
  --gray2:  #8E8E93;
  --green:  #1F9E5C;
  --border: rgba(60,60,67,0.14);
  --shadow: 0 2px 12px rgba(30,79,161,0.08);
  --shadow-lg: 0 8px 32px rgba(30,79,161,0.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--navy2); }

/* ── Nav ── */
.c-nav {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 24px;
}
.c-nav-inner {
  max-width: 960px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.c-nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.c-nav-brand img {
  width: 32px;
  height: 32px;
  border-radius: 7px;
}
.c-nav-brand span {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.01em;
}
.c-nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}
.c-nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray);
  transition: color 0.15s;
}
.c-nav-links a:hover { color: var(--navy); }
.c-nav-links a.active { color: var(--navy); font-weight: 600; }

/* ── Hero ── */
.c-hero {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 72px 24px 80px;
  text-align: center;
}
.c-hero-icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  box-shadow: 0 8px 32px rgba(30,79,161,0.18);
  margin: 0 auto 24px;
  display: block;
}
.c-hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 12px;
}
.c-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--text);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.c-hero-sub {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 480px;
  margin: 0 auto 32px;
  line-height: 1.6;
}
.c-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--navy);
  color: var(--white) !important;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 14px;
  transition: background 0.15s, transform 0.1s;
  box-shadow: 0 4px 16px rgba(30,79,161,0.25);
}
.c-btn:hover {
  background: var(--navy2);
  transform: translateY(-1px);
}
.c-btn-secondary {
  background: var(--light);
  color: var(--navy) !important;
  box-shadow: none;
}
.c-btn-secondary:hover {
  background: #d8e8fb;
  transform: translateY(-1px);
}

/* ── Features ── */
.c-section {
  max-width: 960px;
  margin: 0 auto;
  padding: 64px 24px;
}
.c-section-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.c-section-sub {
  font-size: 1rem;
  color: var(--gray);
  margin-bottom: 36px;
}
.c-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.c-card {
  background: var(--white);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.c-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-size: 1.3rem;
}
.c-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.c-card p {
  font-size: 0.88rem;
  color: var(--gray);
  line-height: 1.55;
}

/* ── Privacy callout ── */
.c-privacy-banner {
  background: var(--light);
  border: 1px solid rgba(30,79,161,0.15);
  border-radius: 16px;
  padding: 24px 28px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-top: 16px;
}
.c-privacy-banner-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.c-privacy-banner h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}
.c-privacy-banner p {
  font-size: 0.88rem;
  color: var(--gray);
  line-height: 1.5;
}

/* ── Support page ── */
.c-page-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 40px 24px 36px;
}
.c-page-header-inner {
  max-width: 960px;
  margin: 0 auto;
}
.c-page-header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.c-page-header-brand img {
  width: 48px;
  height: 48px;
  border-radius: 11px;
  box-shadow: 0 4px 12px rgba(30,79,161,0.15);
}
.c-page-header-brand span {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
}
.c-page-header h1 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}
.c-page-header p {
  font-size: 1rem;
  color: var(--gray);
}

/* ── Content sections ── */
.c-content {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 24px 80px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.c-block {
  background: var(--white);
  border-radius: 16px;
  padding: 24px 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.c-block h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.c-block h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-top: 16px;
  margin-bottom: 4px;
}
.c-block h3:first-child { margin-top: 0; }
.c-block p {
  font-size: 0.92rem;
  color: var(--gray);
  line-height: 1.6;
}
.c-block ul {
  margin-left: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.c-block ul li {
  font-size: 0.92rem;
  color: var(--gray);
  line-height: 1.55;
}
.c-block a { font-weight: 500; }

/* Contact block */
.c-contact {
  display: flex;
  align-items: center;
  gap: 14px;
}
.c-contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.c-contact h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 2px;
}
.c-contact p {
  font-size: 0.88rem;
  color: var(--gray);
  margin: 0;
}

/* FAQ details/summary */
details.c-faq { border-top: 1px solid var(--border); }
details.c-faq:last-child { border-bottom: 1px solid var(--border); }
details.c-faq summary {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
details.c-faq summary::-webkit-details-marker { display: none; }
details.c-faq summary::after {
  content: "+";
  font-size: 1.2rem;
  color: var(--navy);
  flex-shrink: 0;
  transition: transform 0.2s;
}
details.c-faq[open] summary::after {
  transform: rotate(45deg);
}
details.c-faq .c-faq-body {
  font-size: 0.92rem;
  color: var(--gray);
  line-height: 1.6;
  padding-bottom: 14px;
}
details.c-faq .c-faq-body p + p { margin-top: 8px; }

/* ── Footer ── */
.c-footer {
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 24px;
}
.c-footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.c-footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}
.c-footer-brand img {
  width: 24px;
  height: 24px;
  border-radius: 5px;
}
.c-footer-brand span {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy);
}
.c-footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.c-footer-links a {
  font-size: 0.85rem;
  color: var(--gray);
  font-weight: 500;
}
.c-footer-links a:hover { color: var(--navy); }
.c-footer-copy {
  font-size: 0.82rem;
  color: var(--gray2);
  width: 100%;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .c-hero { padding: 52px 20px 60px; }
  .c-section { padding: 48px 20px; }
  .c-content { padding: 28px 20px 64px; }
  .c-page-header { padding: 28px 20px; }
  .c-grid { grid-template-columns: 1fr; }
  .c-footer-inner { flex-direction: column; align-items: flex-start; }
}