.test-section { background: #edf4fb; border-block: 1px solid #e1eaf3; }
.section-heading { position: relative; }
.section-heading > p:last-child { position: absolute; right: 5%; bottom: 2px; font-size: 17px; }
.test-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 90px; margin-top: 54px; align-items: center; }
.test-stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.test-stats > div { display: flex; flex-direction: column; }
.test-stats strong { font-size: 60px; font-weight: 500; letter-spacing: -.065em; line-height: 1.15; }
.test-stats strong > span { font-size: 22px; letter-spacing: -.035em; margin-left: 5px; }
.test-stats div > span { font-size: 12px; color: var(--secondary); margin-top: 4px; }
.puzzle-families { display: flex; justify-content: space-between; gap: 10px; margin: 31px 0 35px; padding: 24px 0; border-block: 1px solid var(--border); }
.puzzle-families > div { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.puzzle-families svg { width: 33px; height: 33px; stroke: var(--action); stroke-width: 1.5; }
.puzzle-families span:last-child { font-size: 10px; color: var(--secondary); }
.puzzle-numbers { display: flex; align-items: center; height: 33px; color: var(--action); font-size: 17px; font-weight: 600; letter-spacing: .04em; }
.test-rules { display: grid; gap: 24px; }
.test-rules article { display: flex; gap: 19px; }
.rule-index { font-size: 10px; color: var(--action); padding-top: 2px; flex: 0 0 20px; }
.test-rules p { margin-top: 8px; max-width: 440px; font-size: 14px; line-height: 1.65; }
.privacy-note { margin-top: 28px; display: flex; align-items: center; gap: 10px; color: var(--action); font-size: 12px; }
.privacy-note svg { flex-shrink: 0; }
.test-preview { position: relative; justify-self: center; }
.test-phone { width: 274px; transform: rotate(3deg); }
.test-preview figcaption { margin-top: 25px; font-size: 12px; text-align: center; color: var(--secondary); }
.profile-section { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 110px; }
.profile-visual { height: 650px; position: relative; }
.profile-backdrop { position: absolute; inset: 50px 0 35px; background: linear-gradient(150deg, #e1efff, #eef8ff); border-radius: 48px; }
.profile-backdrop::before { content: ""; position: absolute; inset: 30px; border-radius: 50%; border: 1px solid white; }
.profile-phone { width: 270px; position: absolute; top: 8px; left: 32px; transform: rotate(-5deg); }
.badge-demo { position: absolute; bottom: 27px; right: -15px; width: 290px; padding: 23px; border-radius: 26px; backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); }
.badge-readout { display: flex; align-items: center; gap: 12px; margin-block: 15px 20px; }
.badge-readout img { width: 60px; height: 60px; }
.badge-readout strong { display: block; font-size: 35px; letter-spacing: -.05em; line-height: 1.1; }
.badge-readout div > span { font-size: 11px; color: var(--action); }
.segmented { display: flex; padding: 4px; border-radius: 13px; background: #e2edf7; }
.segmented button { width: 50%; min-height: 44px; border-radius: 10px; border: 0; background: transparent; color: #435b76; font-size: 11px; font-weight: 500; }
.segmented button[aria-pressed="true"] { color: var(--action); background: white; box-shadow: 0 2px 6px rgb(30 80 160 / 9%); }
.segmented button:hover { color: var(--ink); }
.network-section { background: linear-gradient(135deg, #e8f3fd, #f0f7fc 55%, #e7f3ff); border-block: 1px solid #e1eaf3; }
.network-layout { display: grid; grid-template-columns: .9fr 1.25fr; gap: 55px; align-items: center; }
.network-copy h2 { font-size: clamp(36px, 3.5vw, 50px); }
.network-phones { display: flex; align-items: center; gap: 20px; }
.network-device { min-width: 0; flex: 1; }
.network-device:first-child { margin-top: -35px; }
.network-device:last-child { margin-top: 100px; }
.network-device .phone { border-radius: 31px; padding: 6px; }
.network-device .screen { border-radius: 25px; }
.network-device figcaption { margin-top: 17px; text-align: center; font-size: 11px; color: var(--secondary); }
.network-device .shot-fallback { padding-inline: 12px; }
.network-device .shot-fallback strong { font-size: 18px; }
.platform-section { position: relative; isolation: isolate; display: flex; align-items: center; gap: 65px; padding: 64px 80px; margin-top: var(--section-space); background: linear-gradient(125deg, white, #e1f2ff); border: 1px solid white; border-radius: 40px; box-shadow: var(--shadow); overflow: hidden; }
.platform-icon { width: 135px; border-radius: 30px; box-shadow: 0 15px 40px rgb(29 82 145 / 12%); flex-shrink: 0; }
.platform-section h2 { margin-top: 19px; font-size: 48px; }
.platform-section p:not(.eyebrow) { margin-top: 20px; font-size: 16px; }
.platform-section .button { margin-top: 25px; }
.platform-section .beta-note { display: flex; gap: 9px; align-items: center; font-size: 11px !important; }
.platform-ring { position: absolute; width: 420px; height: 420px; border: 70px solid rgb(255 255 255 / 65%); border-top-color: transparent; border-radius: 50%; right: -170px; bottom: -45px; transform: rotate(-20deg); z-index: -1; }
.faq-section { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; }
.faq-section h2 { font-size: 42px; margin-top: 22px; }
.faq-section > div > p:last-child { margin-top: 20px; font-size: 15px; }
.faq-list { border-top: 1px solid var(--border); }
details { border-bottom: 1px solid var(--border); }
summary { position: relative; list-style: none; cursor: pointer; min-height: 72px; padding: 23px 35px 23px 0; font-size: 15px; font-weight: 500; line-height: 1.6; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 3px; top: 21px; color: var(--action); font-size: 23px; font-weight: 300; line-height: 1.2; }
details[open] summary::after { content: "−"; }
summary:hover { color: var(--action); }
details > div { padding: 0 30px 25px 0; font-size: 14px; }
details a { color: var(--action); text-decoration: underline; text-underline-offset: 3px; }
.site-footer { border-top: 1px solid var(--border); padding-block: 32px 30px; }
.footer-top { display: flex; align-items: center; gap: 32px; }
.footer-top > p { font-size: 12px; }
.footer-top > .text-link { margin-left: auto; }
.footer-bottom { margin-top: 26px; padding-top: 24px; border-top: 1px solid #e0e8f0; display: flex; align-items: end; justify-content: space-between; gap: 24px; font-size: 11px; color: var(--secondary); }
.footer-bottom span { white-space: nowrap; }
@media (max-width: 1100px) {
  .test-layout { gap: 55px; grid-template-columns: 1.25fr 1fr; }
  .profile-section { gap: 65px; }
  .profile-phone { left: 16px; }
  .badge-demo { right: -20px; }
  .network-layout { gap: 35px; }
  .network-phones { gap: 14px; }
  .network-device .shot-fallback strong { font-size: 16px; }
  .network-device .shot-fallback .preview-kicker { font-size: 8px; }
  .network-device .shot-fallback img { width: 60px; }
  .platform-section { padding: 56px; gap: 45px; }
}
@media (max-width: 850px) {
  .section-heading > p:last-child { position: static; margin-top: 24px; }
  .test-layout { gap: 32px; grid-template-columns: 1.2fr 1fr; }
  .test-stats { gap: 15px; }
  .test-stats strong { font-size: 48px; }
  .test-stats strong > span { font-size: 18px; }
  .test-phone { width: 240px; }
  .puzzle-families { gap: 6px; }
  .puzzle-families span:last-child { font-size: 8px; }
  .puzzle-numbers { font-size: 14px; }
  .profile-section { gap: 42px; }
  .profile-visual { height: 610px; }
  .profile-phone { width: 229px; left: 10px; }
  .badge-demo { width: 260px; right: -10px; bottom: 30px; padding: 19px; }
  .network-layout { grid-template-columns: 1fr; gap: 55px; }
  .network-copy { display: grid; grid-template-columns: 1fr 1fr; column-gap: 50px; }
  .network-copy .eyebrow { grid-column: 1; }
  .network-copy h2 { grid-column: 1; }
  .network-copy .section-description { grid-column: 1; }
  .network-copy .feature-list { grid-column: 2; grid-row: 1 / 4; margin-top: 0; }
  .network-copy .feature-list > div:first-child { margin-top: 0; }
  .network-phones { width: 100%; justify-content: center; gap: 40px; max-width: 560px; margin-inline: auto; }
  .network-device { max-width: 245px; }
  .network-device:first-child { margin-top: 0; }
  .network-device:last-child { margin-top: 60px; }
  .network-device .shot-fallback strong { font-size: 20px; }
  .network-device .shot-fallback .preview-kicker { font-size: 9px; }
  .platform-section { padding: 48px 36px; gap: 30px; }
  .platform-icon { width: 100px; border-radius: 24px; }
  .platform-section h2 { font-size: 42px; }
  .faq-section { gap: 40px; grid-template-columns: .8fr 1.2fr; }
  .faq-section h2 { font-size: 34px; }
}
@media (max-width: 640px) {
  .test-layout { grid-template-columns: 1fr; gap: 48px; margin-top: 35px; }
  .test-stats strong { font-size: 53px; }
  .test-stats strong > span { font-size: 20px; }
  .puzzle-families { gap: 8px; margin-top: 24px; }
  .puzzle-families span:last-child { font-size: 9px; }
  .test-rules article { gap: 13px; }
  .test-rules h3 { font-size: 18px; }
  .test-phone { width: 250px; }
  .profile-section { grid-template-columns: 1fr; gap: 40px; }
  .profile-copy { grid-row: 1; }
  .section-description { font-size: 17px; }
  .feature-list dd { max-width: none; }
  .profile-visual { width: min(100%, 360px); margin-inline: auto; height: 635px; }
  .profile-phone { width: 252px; left: 25px; }
  .badge-demo { right: 0; bottom: 0; width: 277px; }
  .profile-backdrop { inset: 45px 0 50px; border-radius: 32px; }
  .network-copy { display: block; }
  .network-copy .feature-list { margin-top: 30px; }
  .network-layout { gap: 40px; }
  .network-phones { gap: 13px; width: 100%; }
  .network-device .phone { padding: 4px; border-radius: 23px; }
  .network-device .screen { border-radius: 19px; }
  .network-device .shot-fallback { padding: 10px; }
  .network-device .shot-fallback img { width: 43px; margin-bottom: 16px; }
  .network-device .shot-fallback strong { font-size: 13px; }
  .network-device .shot-fallback > span:not(.preview-kicker):not(.preview-label) { font-size: 9px; margin-top: 9px; }
  .network-device .shot-fallback .preview-kicker { font-size: 6px; letter-spacing: .07em; top: 27px; }
  .network-device .preview-label { font-size: 8px; bottom: 20px; }
  .network-device figcaption { font-size: 10px; margin-top: 13px; line-height: 1.5; }
  .network-device:last-child { margin-top: 50px; }
  .platform-section { flex-direction: column; align-items: start; gap: 30px; padding: 32px 26px; border-radius: 32px; }
  .platform-icon { width: 78px; border-radius: 20px; }
  .platform-section h2 { font-size: 37px; }
  .platform-section .eyebrow { font-size: 9px; }
  .platform-section p:not(.eyebrow) { font-size: 15px; }
  .platform-ring { right: -265px; bottom: 80px; }
  .faq-section { grid-template-columns: 1fr; gap: 30px; }
  .faq-section > div > p:last-child { margin-top: 16px; }
  summary { font-size: 14px; min-height: 68px; }
  .footer-top { flex-wrap: wrap; gap: 12px; justify-content: space-between; }
  .footer-top > p { order: 3; flex-basis: 100%; }
  .footer-top > .text-link { font-size: 12px; }
  .footer-bottom { align-items: start; flex-direction: column; gap: 20px; }
}
@media (max-width: 360px) {
  .test-stats strong { font-size: 48px; }
  .puzzle-families span:last-child { font-size: 8px; }
  .profile-phone { left: 10px; width: 240px; }
  .badge-demo { width: 260px; }
  .profile-visual { height: 615px; }
  .network-device .shot-fallback strong { font-size: 11px; }
  .network-device .shot-fallback > span:not(.preview-kicker):not(.preview-label) { font-size: 8px; }
  .platform-section h2 { font-size: 33px; }
}
