/* main styling for site */

/* base page background and text color (moved here from page-specific CSS) */
body {
  background: linear-gradient(180deg, #f4f7fb 0%, #e9eef6 100%);
  color: #222;
  font-family: 'Jost', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  height: 80px;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  z-index: 10000;
}

.header img {
  height: 50px;
}

/* nav bar */
nav ul, .footer-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-center ul {
  display: flex;
  gap: 2rem;
}

nav a {
  color: #000;
  text-decoration: none;
  font-weight: 700;
  transition: color .2s;
}

nav a:hover {
  color: #203d8f;
}

/* buttons */
#btn-dark-outline {
  background: transparent;
  color: #212121;
  border: 2px solid #121212;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
}

#btn-dark-outline:hover {
  background: #000;
  color: #fff;
  border-color: #fff;
}
.btn-dark-filled, .btn-input {
  background: #112052;
  color: #fff;
  border-radius: 8px;
  padding: 10px 18px;
  text-decoration: none;
  font-weight: 700;
  display: inline-block;
  border: 0;
}

.btn-dark-filled:hover, .btn-input:hover {
  background: #203d8f;
}
.btn-return-fixed {
  position: fixed;
  left: 18px;
  bottom: 18px;
  background: rgba(17,32,82,.92);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  box-shadow: 0 6px 20px rgba(9,30,66,.18);
  text-decoration: none;
}

.btn-return-fixed:hover {
  background: #203d8f;
}

/* footer */
.site-footer {
  background: rgba(17,32,82,.06);
  border-top: 1px solid #e1e6ee;
  padding: 18px 1rem;
  margin-top: 40px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
}

.footer-logo {
  height: 36px;
}

.footer-nav ul {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.footer-nav a {
  color: #112052;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.footer-nav a:hover {
  color: #203d8f;
  text-decoration: underline;
}

.footer-credit {
  flex: 0 0 auto;
  text-align: right;
  font-size: 0.9rem;
  line-height: 1.4;
}

.footer-credit p {
  margin: 0.25rem 0;
  color: #555;
}

.footer-credit a {
  color: #112052;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.footer-credit a:hover {
  color: #203d8f;
  text-decoration: underline;
}

/* hero */
.hero-main {
  width: 600px;
  max-width: 92%;
  margin: 3rem auto;
  text-align: center;
  color: rgb(17,31,83);
}

.hero-main h1 {
  font-size: 70px;
  margin: 0;
}

.hero-main p {
  font-size: 30px;
  margin: 1rem 0 2rem;
}

/* testimonials */
.testimonials {
  max-width: 1100px;
  margin: 2.5rem auto;
  padding: 1rem;
}
.testimonials-inner {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 18px;
}

.testimonial-card {
  background: rgba(255,255,255,.94);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(9,30,66,.08);
  color: #112052;
}
.testimonial-quote {
  font-size: 1.05rem;
  line-height: 1.5;
  margin: 0 0 1rem;
}

.testimonial-author {
  font-weight: 700;
  color: #203d8f;
  margin: 0;
}

/* accessibility helper */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}