* {
  box-sizing:border-box
}

html {
  scroll-behavior:smooth
}

body {
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  color:#17333c;
  background:#f7fbfa;
  line-height:1.6
}

img {
  max-width:100%;
  height:auto
}

a {
  color:inherit
}

.site-shell,
.page,
.footer-cta,
.site-footer {
  width:min(1180px,calc(100% - 32px));
  margin-inline:auto
}

.site-shell {
  margin-top:18px;
  border:1px solid #d6e4e2;
  border-radius:22px 22px 0 0;
  overflow:hidden;
  box-shadow:0 7px 22px rgba(10,37,63,.08);
  background:#fff
}

.top-banner {
  background:#0b2341;
  color:#fff;
  text-align:center;
  padding:10px 16px;
  font-weight:700;
  font-size:.94rem
}

.top-banner strong {
  color:#ffd95a
}

.site-header {
  display:grid;
  grid-template-columns:225px minmax(0,1fr) 250px;
  gap:28px;
  align-items:center;
  padding:25px 32px;
  background:#fff
}

.logo-wrap {
  display:flex;
  justify-content:center;
  align-items:center;
  border-right:1px solid #d8e3e1;
  padding-right:24px
}

.site-logo {
  width:190px
}

.brand-copy h1 {
  font-family:Georgia,serif;
  font-size:clamp(1.75rem,3vw,2.35rem);
  line-height:1.1;
  margin:0 0 10px;
  color:#0b2341
}

.tagline {
  margin:0 0 14px;
  color:#117a77;
  font-weight:700;
  font-size:1.02rem
}

.location-line {
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  font-weight:700
}

.header-contact {
  font-size:.88rem;
  font-weight:700;
  overflow-wrap:anywhere
}

.header-contact a {
  text-decoration:none
}

.main-nav {
  display:flex;
  justify-content:center;
  align-items:center;
  gap:26px;
  flex-wrap:wrap;
  background:#0b2341;
  padding:15px 18px
}

.main-nav a {
  color:#fff;
  text-decoration:none;
  font-weight:800;
  font-size:.91rem;
  padding:3px 0;
  border-bottom:3px solid transparent
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a.active {
  border-color:#18aaa5
}

.page {
  background:radial-gradient(circle at 92% 8%,rgba(24,170,165,.13),transparent 29%),linear-gradient(rgba(11,35,65,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(11,35,65,.03) 1px,transparent 1px),#fff;
  background-size:auto,32px 32px,32px 32px,auto;
  border-left:1px solid #d6e4e2;
  border-right:1px solid #d6e4e2
}

.page-inner {
  padding:52px 46px 62px
}

.page-hero {
  text-align:center;
  max-width:850px;
  margin:0 auto 40px
}

.page-hero h1 {
  font-family:Georgia,serif;
  color:#0b2341;
  font-size:clamp(2.1rem,5vw,3rem);
  line-height:1.1;
  margin:0 0 14px
}

.page-hero p {
  margin:0;
  color:#42545b;
  font-size:1.08rem
}

.home-hero {
  position:relative;
  overflow:hidden
}

.home-hero:after {
  content:'x²   √   π   f(x)';
  position:absolute;
  right:22px;
  top:4px;
  color:rgba(11,35,65,.055);
  font:700 clamp(2.8rem,8vw,6rem) Georgia,serif;
  letter-spacing:.18em;
  white-space:nowrap;
  pointer-events:none
}

.card {
  background:rgba(255,255,255,.95);
  border:1px solid #d4e3e1;
  border-radius:20px;
  padding:28px;
  box-shadow:0 7px 20px rgba(11,35,65,.07)
}

.card h2,
.card h3,
.section-title {
  font-family:Georgia,serif;
  color:#0b2341
}

.card h2 {
  font-size:1.8rem;
  margin:0 0 14px
}

.card h3 {
  font-size:1.35rem;
  margin:0 0 10px
}

.card p:last-child {
  margin-bottom:0
}

.grid-2,
.grid-3,
.feature-panels,
.quotes,
.journey-grid,
.contact-layout,
.profile-grid,
.course-layout {
  display:grid;
  gap:22px
}

.grid-2,
.journey-grid {
  grid-template-columns:repeat(2,minmax(0,1fr))
}

.grid-3,
.quotes {
  grid-template-columns:repeat(3,minmax(0,1fr))
}

.feature-panels {
  grid-template-columns:repeat(3,minmax(0,1fr))
}

.feature-card.primary {
  grid-column:1/-1;
  min-height:250px;
  background:linear-gradient(135deg,#fff,#f1fbfa);
  position:relative;
  overflow:hidden;
  padding-right:42%
}

.feature-card.primary:after {
  content:'∑';
  position:absolute;
  right:10%;
  top:6%;
  font:700 10rem Georgia,serif;
  color:rgba(11,35,65,.05)
}

.label {
  display:block;
  color:#0d9e99;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.1em;
  font-size:.78rem;
  margin-bottom:8px
}

.button {
  display:inline-block;
  border:0;
  border-radius:11px;
  padding:13px 24px;
  font:800 1rem Arial,sans-serif;
  text-decoration:none;
  cursor:pointer;
  background:#18aaa5;
  color:#fff;
  box-shadow:0 6px 16px rgba(24,170,165,.22);
  transition:transform .15s ease,box-shadow .15s ease
}

.button:hover,
.button:focus-visible {
  transform:translateY(-2px);
  box-shadow:0 9px 20px rgba(24,170,165,.3)
}

.button-light {
  background:#fff;
  color:#0b2341;
  box-shadow:none;
  padding:14px 32px
}

.section {
  margin-top:42px
}

.section-title {
  text-align:center;
  font-size:2rem;
  margin:0 0 24px
}

.checklist {
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px 24px
}

.checklist li {
  position:relative;
  padding-left:30px
}

.checklist li:before {
  content:'✓';
  position:absolute;
  left:0;
  color:#18aaa5;
  font-weight:900
}

.quote-section {
  margin-top:46px
}

.quote {
  background:#fff;
  border:1px solid #d4e3e1;
  border-radius:18px;
  padding:24px;
  box-shadow:0 6px 18px rgba(11,35,65,.06);
  font-style:italic
}

.quote p {
  margin:0
}

.profile-grid {
  grid-template-columns:minmax(250px,330px) minmax(0,1fr);
  align-items:start
}

.profile-photo {
  width:100%;
  border-radius:22px;
  box-shadow:0 8px 24px rgba(11,35,65,.12);
  border:1px solid #d4e3e1
}

.story {
  max-width:830px;
  margin:38px auto 0;
  padding:27px 30px;
  border-left:5px solid #18aaa5;
  background:#f4fbfa;
  border-radius:0 16px 16px 0
}

.story h2 {
  font-family:Georgia,serif;
  color:#0b2341;
  margin:0 0 10px
}

.course-layout {
  grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr);
  align-items:start
}

.contact-layout {
  grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr);
  align-items:stretch
}

.contact-list {
  display:grid;
  gap:22px
}

.contact-item {
  display:grid;
  gap:4px
}

.contact-item strong {
  color:#0b2341
}

.contact-item a {
  color:#087c79;
  font-weight:700;
  text-decoration:none;
  overflow-wrap:anywhere
}

.contact-form {
  display:grid;
  gap:18px
}

.contact-form label {
  display:block;
  font-weight:800;
  color:#0b2341;
  margin-bottom:5px
}

.contact-form input,
.contact-form textarea {
  width:100%;
  border:1px solid #c8d7d5;
  border-radius:11px;
  padding:13px 14px;
  font:inherit;
  background:#fff
}

.contact-form textarea {
  min-height:185px;
  resize:vertical
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline:3px solid rgba(24,170,165,.2);
  border-color:#18aaa5
}

.form-note {
  font-size:.86rem;
  color:#647277;
  margin:0
}

.footer-cta {
  background:linear-gradient(90deg,#19436a,#1d8083);
  color:#fff;
  text-align:center;
  padding:38px 28px;
  border-left:1px solid #d6e4e2;
  border-right:1px solid #d6e4e2
}

.footer-cta h2 {
  font-family:Georgia,serif;
  font-size:clamp(1.8rem,4vw,2.45rem);
  line-height:1.15;
  margin:0 0 10px
}

.footer-cta p {
  max-width:760px;
  margin:0 auto 22px;
  font-size:1.02rem
}

.site-footer {
  background:#0b2341;
  color:#fff;
  padding:42px 36px 22px;
  border-radius:0 0 22px 22px;
  margin-bottom:18px;
  box-shadow:0 7px 22px rgba(10,37,63,.1)
}

.footer-brand {
  text-align:center;
  margin-bottom:30px
}

.footer-brand h2 {
  font-family:Georgia,serif;
  margin:0;
  font-size:1.6rem
}

.footer-brand p {
  color:#18aaa5;
  font-style:italic;
  font-weight:700;
  margin:5px 0 0
}

.footer-grid {
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:28px
}

.footer-col h3 {
  color:#18aaa5;
  margin:0 0 12px;
  font-size:1rem
}

.footer-col ul {
  list-style:none;
  padding:0;
  margin:0
}

.footer-col li,
.footer-col p {
  font-size:.88rem;
  margin:0 0 8px
}

.footer-col a {
  color:#fff;
  text-decoration:none
}

.footer-col a:hover,
.footer-col a:focus-visible {
  text-decoration:underline
}

.footer-bottom {
  text-align:center;
  border-top:1px solid rgba(255,255,255,.18);
  padding-top:17px;
  margin-top:34px;
  font-size:.8rem
}

.small-note {
  font-size:.92rem;
  color:#5a696f
}

.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
}

@media(max-width:900px) {
  .site-header {
    grid-template-columns:1fr;
    text-align:center
  }
  .logo-wrap {
    border-right:0;
    padding-right:0
  }
  .location-line {
    justify-content:center
  }
  .header-contact {
    text-align:center
  }
  .feature-card.primary {
    padding-right:28px
  }
  .profile-grid,
.contact-layout,
.course-layout {
    grid-template-columns:1fr
  }
  .profile-photo {
    max-width:360px;
    margin:auto
  }
  .footer-grid {
    grid-template-columns:repeat(2,minmax(0,1fr))
  }
}

@media(max-width:680px) {
  .site-shell,
.page,
.footer-cta,
.site-footer {
    width:calc(100% - 20px)
  }
  .site-shell {
    margin-top:10px
  }
  .page-inner {
    padding:38px 20px 46px
  }
  .main-nav {
    flex-direction:column;
    gap:9px
  }
  .grid-2,
.grid-3,
.journey-grid,
.feature-panels,
.quotes,
.checklist,
.footer-grid {
    grid-template-columns:1fr
  }
  .feature-card.primary {
    grid-column:auto
  }
  .home-hero:after {
    display:none
  }
  .site-header {
    padding:22px 18px
  }
  .site-logo {
    width:165px
  }
  .footer-cta {
    padding:32px 20px
  }
  .site-footer {
    padding:34px 24px 20px
  }
  .card {
    padding:23px
  }
  .location-line span:nth-child(2) {
    display:none
  }
  .location-line {
    flex-direction:column;
    gap:4px
  }
}

@media(prefers-reduced-motion:reduce) {
  * {
    scroll-behavior:auto!important;
    transition:none!important
  }
}

/* ==========================================
   CONTACT PAGE: SINGLE INFORMATION CARD
========================================== */

.contact-layout-single {
  display: flex;
  justify-content: center;
}

.contact-layout-single .contact-info-card {
  width: 100%;
  max-width: 650px;
}