:root {
  --ink: #202124;
  --muted: #5f6368;
  --line: #dadce0;
  --blue: #1a73e8;
  --pale: #f8f9fa;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; color: var(--ink); background: #fff; font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
a { color: #155ebd; text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid #1a73e8; outline-offset: 5px; border-radius: 3px; }
img { max-width: 100%; height: auto; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.16; letter-spacing: -.035em; }
h1 { max-width: 820px; margin-bottom: 24px; font-size: clamp(2.4rem, 5.2vw, 4.4rem); font-weight: 650; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); margin-bottom: 22px; }
h3 { font-size: 1.2rem; margin-bottom: 12px; letter-spacing: -.02em; }
p { margin-bottom: 20px; }
.wrap { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.skip { position: fixed; left: 16px; top: -100px; z-index: 200; padding: 12px 18px; color: #fff; background: #174ea6; }
.skip:focus { top: 10px; }
main { padding-top: 64px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 10px; padding-block: 25px; font-size: .86rem; color: var(--muted); }
.breadcrumbs a { color: inherit; }
.hero { position: relative; overflow: hidden; padding: 70px 0 78px; color: #fff; background: #101725; }
.hero::after { content: ""; pointer-events: none; position: absolute; right: -100px; top: -230px; width: 580px; height: 580px; border: 1px solid #324565; border-radius: 50%; box-shadow: 0 0 0 70px #ffffff03, 0 0 0 140px #ffffff03, 0 0 0 210px #ffffff03; }
.hero .wrap { position: relative; z-index: 1; }
.eyebrow { font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 650; color: #1a73e8; margin-bottom: 20px; }
.hero .eyebrow { color: #a8c7fa; }
.hero .lead { max-width: 760px; color: #d7dfed; font-size: clamp(1.05rem, 2vw, 1.22rem); line-height: 1.65; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 48px; padding: 10px 22px; border-radius: 999px; color: #fff; background: #1a73e8; font-size: .92rem; font-weight: 600; text-decoration: none; border: 1px solid transparent; }
.button:hover { background: #155ebd; text-decoration: none; }
.button.secondary { background: transparent; border-color: #8f9eb5; color: #fff; }
.button.secondary:hover { background: #ffffff12; }
.button img { width: 18px; height: 18px; flex: 0 0 auto; }
.button.secondary img { filter: invert(1); }
.hero-note { margin-top: 22px; margin-bottom: 0; color: #b3bfd1; font-size: .87rem; max-width: 740px; }
.section { padding-block: 76px; }
.section + .section { border-top: 1px solid #e8eaed; }
.section-intro { max-width: 760px; margin-bottom: 30px; color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { border: 1px solid #e0e4eb; border-radius: 18px; padding: 28px; background: #fff; }
.card p { color: var(--muted); }
.card p:last-child { margin-bottom: 0; }
.steps { list-style: none; padding: 0; margin: 0; counter-reset: step; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.steps li { counter-increment: step; padding-top: 22px; border-top: 2px solid #d2e3fc; }
.steps li::before { content: "0" counter(step); display: block; color: #1a73e8; font-size: .8rem; font-weight: 650; margin-bottom: 15px; }
.steps p { color: var(--muted); font-size: .95rem; margin-bottom: 0; }
.note { border-left: 3px solid #1a73e8; padding: 18px 24px; background: #f3f7fd; margin-top: 28px; color: #3c485a; }
.note p:last-child { margin-bottom: 0; }
.check-list { padding-left: 20px; color: var(--muted); }
.check-list li + li { margin-top: 12px; }
.example { display: grid; grid-template-columns: .75fr 1.25fr; gap: 48px; padding: 38px; border-radius: 22px; background: #f8f9fa; border: 1px solid #e8eaed; }
.example p:last-child { margin-bottom: 0; }
.product-name { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.product-name img { width: 64px; height: 64px; object-fit: contain; padding: 8px; border-radius: 15px; background: #fff; }
.product-name .eyebrow { margin: 0; }
.requirements { margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; border-bottom: 1px solid #e8eaed; padding-block: 27px; }
.requirements dt { color: var(--muted); font-size: .8rem; margin-bottom: 5px; }
.requirements dd { margin: 0; font-weight: 600; line-height: 1.4; }
.cta { padding: 46px; border-radius: 22px; background: #edf4ff; }
.cta p { max-width: 760px; color: #475569; }
.site-footer { margin-top: 35px; border-top: 1px solid #e8eaed; padding: 30px 0; color: var(--muted); font-size: .87rem; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px 32px; }
.footer-inner p { margin: 0; }
.footer-inner nav { display: flex; flex-wrap: wrap; gap: 12px 24px; }
.footer-inner a { color: inherit; }
.smet-header .header-actions { gap: 8px; }
.mobile-menu { display: block; }
.mobile-menu summary { list-style: none; cursor: pointer; font-size: .8rem; font-weight: 600; padding: 8px 9px; border: 1px solid #dadce0; border-radius: 8px; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu summary::after { content: " +"; }
.mobile-menu[open] summary::after { content: " −"; }
.smet-header .mobile-menu nav { display: flex; position: absolute; top: 63px; left: 16px; right: 16px; flex-direction: column; padding: 14px; background: #fff; border: 1px solid #dadce0; border-radius: 0 0 14px 14px; box-shadow: 0 12px 25px #16284318; }
.smet-header .mobile-menu a { color: #202124; padding: 10px 12px; border-radius: 6px; }
.smet-header .mobile-menu a:hover { background: #edf4ff; }
@media (min-width: 900px) {
  .mobile-menu { display: none; }
  .smet-header .desktop-nav a { padding-inline: 11px; }
}
@media (max-width: 899px) {
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid { grid-template-columns: 1fr; }
  .example { grid-template-columns: 1fr; gap: 12px; }
}
@media (max-width: 560px) {
  .hero { padding-block: 48px 54px; }
  .section { padding-block: 48px; }
  .grid.two, .steps { grid-template-columns: 1fr; }
  .card, .example, .cta { padding: 25px; }
  .requirements { grid-template-columns: 1fr; gap: 14px; }
  .smet-header .header-inner { gap: 8px; }
  .smet-header .lang-toggle a { padding-inline: 9px; }
  .hero::after { right: -400px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }