:root {
  --blue: #3399cc;
  --blue-dark: #16678d;
  --action: #18759f;
  --navy: #1f2732;
  --text: #5f6670;
  --heading: #161a20;
  --soft: #f6f7f8;
  --border: #e1e4e8;
  --width: 1170px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: #fff; font: 15px/1.65 Arial, Helvetica, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--blue-dark); text-decoration: none; }
a:hover, a:focus { color: var(--blue-dark); text-decoration: underline; }
h1, h2 { margin: 0 0 .55em; color: var(--heading); line-height: 1.15; }
h1 { font-size: clamp(2.4rem, 6vw, 4rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
.site-shell { width: min(calc(100% - 48px), var(--width)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: -60px; left: 12px; padding: 10px 16px; color: #fff; background: var(--navy); }
.skip-link:focus { top: 12px; color: #fff; }

.site-header { min-height: 132px; display: flex; align-items: center; background: #fff; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.site-logo img { display: block; width: 115px; height: 115px; object-fit: contain; }
.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a { color: #747b84; font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.main-nav .contact-link { padding: 12px 25px; border-radius: 999px; color: #fff; background: var(--action); }

.page-hero { padding: 78px 0 82px; text-align: center; background: linear-gradient(135deg, #eef7fb, #f8fafb 55%, #edf3f6); border-block: 1px solid #edf0f2; }
.hero-inner { max-width: 780px; }
.page-hero p:last-child { max-width: 680px; margin: 0 auto; font-size: 1.1rem; }
.eyebrow { margin: 0 0 12px; color: var(--blue-dark); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }

.support-section { padding: 82px 0; }
.support-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(390px, 1.1fr); gap: 70px; align-items: center; }
.support-copy > p { font-size: 1.05rem; }
.security-note { margin-top: 28px; padding: 18px 20px; border-left: 4px solid var(--blue); background: var(--soft); }
.support-card { min-height: 310px; padding: 32px 26px; border: 1px solid var(--border); border-radius: 14px; background: #fff; box-shadow: 0 18px 45px rgba(31, 39, 50, .09); }

#isl-join-widget .container-sm { max-width: 450px; padding-inline: 15px; margin-inline: auto; }
#isl-join-widget .form-input-wrapper span.loader-icon { top: 9px; }
#isl-join-widget .m-t-100 { margin-top: 25px !important; }
#isl-join-widget .m-b-10 { margin-bottom: 10px; }
#isl-join-widget .btn-success, #isl-join-widget button[type='submit'] { color: #fff; background: var(--action); border-color: var(--action); border-radius: 999px; font-weight: 700; }
#isl-join-widget .btn-success:hover, #isl-join-widget .btn-success:focus { background: var(--blue-dark); border-color: var(--blue-dark); }

.download-section { padding: 68px 0 76px; text-align: center; background: var(--soft); }
.download-inner { max-width: 740px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 25px; border-radius: 999px; color: #fff; background: var(--action); font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.button:hover, .button:focus { color: #fff; background: var(--blue-dark); text-decoration: none; }

.site-footer { color: #d5d9df; background: var(--navy); }
.footer-inner { min-height: 115px; display: flex; align-items: center; justify-content: space-between; gap: 25px; font-size: 11px; }
.mail-link { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; color: var(--blue-dark); background: #fff; font-weight: 700; }

@media (max-width: 760px) {
  .site-shell { width: min(calc(100% - 32px), var(--width)); }
  .site-header { min-height: 102px; }
  .site-logo img { width: 82px; height: 82px; }
  .main-nav { gap: 7px; }
  .main-nav a { padding: 10px 8px; }
  .main-nav a:not(.contact-link) { display: none; }
  .main-nav .contact-link { padding-inline: 18px; }
  .page-hero { padding: 55px 0 60px; }
  .support-section { padding: 55px 0; }
  .support-layout { grid-template-columns: 1fr; gap: 34px; }
  .support-card { min-height: 280px; padding: 22px 10px; }
  .download-section { padding: 52px 0 58px; }
  .footer-inner { min-height: 0; padding-block: 28px 88px; align-items: flex-start; }
}