:root {
    --about-primary: #0f3d73;
    --about-deep: #082f59;
    --about-blue: #0284c7;
    --about-turquoise: #12bda9;
    --about-text: #244763;
    --about-muted: #637e94;
    --about-border: #d9e7ee;
    --about-soft: #f3f9fb;
    --about-shadow: 0 14px 36px rgb(17 65 105 / .08);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    background: linear-gradient(145deg, #f8fcfe 0%, #f1f8fa 58%, #edf6f8 100%);
    color: var(--about-text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    margin: 0;
    min-height: 100vh;
    padding: clamp(12px, 2vw, 28px);
}

a { color: inherit; }

.about-skip-link {
    background: #fff;
    border-radius: 0 0 8px 8px;
    left: 18px;
    padding: 9px 13px;
    position: fixed;
    top: -60px;
    z-index: 20;
}

.about-skip-link:focus { top: 0; }

.about-shell {
    background: #fff;
    border: 1px solid var(--about-border);
    border-radius: 24px;
    box-shadow: var(--about-shadow);
    margin: 0 auto;
    max-width: 1540px;
    overflow: hidden;
    position: relative;
}

.about-shell::before {
    background: linear-gradient(90deg, var(--about-primary), var(--about-blue) 52%, var(--about-turquoise));
    content: "";
    height: 6px;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 2;
}

.about-header {
    align-items: center;
    border-bottom: 1px solid var(--about-border);
    display: flex;
    justify-content: space-between;
    min-height: 132px;
    padding: 8px clamp(24px, 5vw, 72px);
}

.about-brand { display: inline-flex; }
.about-brand img { display: block; height: 108px; object-fit: contain; width: 215px; }

.about-header-back,
.about-primary-action {
    align-items: center;
    border-radius: 11px;
    display: inline-flex;
    font-size: 13px;
    font-weight: 800;
    gap: 9px;
    justify-content: center;
    text-decoration: none;
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.about-header-back {
    background: #fff;
    border: 1px solid #b9dce8;
    color: var(--about-primary);
    min-height: 42px;
    padding: 9px 15px;
}

.about-header-back:hover { background: #f2fafc; border-color: #79c5d4; transform: translateX(-2px); }

.about-hero {
    background: linear-gradient(105deg, #fff 0%, #f7fcfd 58%, #edf8fb 100%);
    display: grid;
    gap: clamp(38px, 6vw, 90px);
    grid-template-columns: minmax(0, 1.08fr) minmax(380px, .92fr);
    padding: clamp(58px, 7vw, 102px) clamp(28px, 7vw, 108px);
}

.about-hero-copy { align-self: center; max-width: 730px; }
.about-kicker { color: var(--about-blue); display: block; font-size: 11px; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.about-hero h1 { color: var(--about-deep); font-size: clamp(44px, 5vw, 72px); letter-spacing: -.045em; line-height: 1.03; margin: 12px 0 24px; }
.about-hero-copy p { color: var(--about-muted); font-size: 16px; margin: 13px 0; }
.about-hero-copy .about-lead { color: var(--about-text); font-size: clamp(18px, 1.6vw, 22px); line-height: 1.55; }

.about-primary-action {
    background: linear-gradient(135deg, var(--about-primary) 0%, #075985 58%, var(--about-blue) 100%);
    border: 1px solid #075985;
    box-shadow: 0 7px 16px rgb(3 105 161 / .16);
    color: #fff;
    margin-top: 22px;
    min-height: 48px;
    padding: 11px 18px;
}

.about-primary-action:hover { box-shadow: 0 10px 22px rgb(3 105 161 / .23); transform: translateY(-2px); }

.about-hero-panel {
    align-self: center;
    background: #fff;
    border: 1px solid #c5dfE8;
    border-radius: 20px;
    box-shadow: 0 18px 42px rgb(17 65 105 / .10);
    padding: clamp(24px, 3vw, 36px);
}

.about-panel-label { color: var(--about-turquoise); font-size: 10px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.about-hero-panel h2 { color: var(--about-deep); font-size: clamp(24px, 2.3vw, 33px); line-height: 1.2; margin: 8px 0 24px; }
.about-pillar-list { display: grid; gap: 3px; }
.about-pillar-list article { align-items: center; border-top: 1px solid var(--about-border); display: grid; gap: 14px; grid-template-columns: 44px 1fr; padding: 17px 0; }
.about-pillar-list article > span { align-items: center; background: #eaf7fb; border-radius: 11px; color: var(--about-blue); display: flex; font-size: 11px; font-weight: 900; height: 42px; justify-content: center; }
.about-pillar-list strong, .about-pillar-list small { display: block; }
.about-pillar-list strong { color: var(--about-deep); font-size: 14px; }
.about-pillar-list small { color: var(--about-muted); font-size: 11px; margin-top: 3px; }

.about-section { padding: clamp(54px, 6vw, 88px) clamp(28px, 7vw, 108px); }
.about-section-heading { max-width: 740px; }
.about-section-heading h2,
.about-benefits h2,
.about-security h2,
.about-technology h2,
.about-final-call h2 { color: var(--about-deep); font-size: clamp(29px, 3vw, 43px); letter-spacing: -.03em; line-height: 1.16; margin: 9px 0 14px; }
.about-section-heading p, .about-benefits-copy p, .about-security p, .about-technology p { color: var(--about-muted); margin: 0; }

.about-purpose { align-items: center; border-bottom: 1px solid var(--about-border); border-top: 1px solid var(--about-border); display: grid; gap: clamp(30px, 5vw, 80px); grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); }
.about-purpose > p { border-left: 4px solid var(--about-turquoise); color: var(--about-text); font-size: 17px; margin: 0; padding: 8px 0 8px 24px; }

.about-section-heading-centered { margin: 0 auto 34px; text-align: center; }
.about-feature-grid { display: grid; gap: 16px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.about-feature-card { background: linear-gradient(145deg, #fff, #f8fbfd); border: 1px solid var(--about-border); border-radius: 16px; min-height: 210px; padding: 24px; }
.about-feature-card:hover { border-color: #9fcfdc; box-shadow: 0 9px 22px rgb(17 65 105 / .07); }
.about-feature-icon { align-items: center; background: linear-gradient(135deg, var(--about-primary), var(--about-blue)); border-radius: 11px; color: #fff; display: inline-flex; font-size: 16px; font-weight: 900; height: 42px; justify-content: center; min-width: 42px; padding: 0 8px; }
.about-feature-card h3 { color: var(--about-deep); font-size: 17px; margin: 18px 0 8px; }
.about-feature-card p { color: var(--about-muted); font-size: 13px; margin: 0; }

.about-benefits { background: var(--about-soft); display: grid; gap: clamp(34px, 7vw, 100px); grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); }
.about-benefits-copy { align-self: center; }
.about-benefit-list { display: grid; gap: 12px; }
.about-benefit-list article { background: #fff; border: 1px solid var(--about-border); border-radius: 14px; display: grid; gap: 13px; grid-template-columns: 34px 1fr; padding: 17px; }
.about-benefit-list article > span { align-items: center; background: #dff8f2; border-radius: 50%; color: #07826d; display: flex; font-weight: 900; height: 30px; justify-content: center; width: 30px; }
.about-benefit-list strong { color: var(--about-deep); }
.about-benefit-list p { color: var(--about-muted); font-size: 12px; margin: 3px 0 0; }

.about-security { align-items: center; display: grid; gap: clamp(28px, 5vw, 66px); grid-template-columns: 150px minmax(0, 1fr); }
.about-security-mark { align-items: center; background: linear-gradient(145deg, var(--about-primary), #087c98); border-radius: 28px; box-shadow: 0 16px 32px rgb(3 105 161 / .18); display: flex; height: 150px; justify-content: center; width: 150px; }
.about-security-mark svg { fill: none; height: 76px; stroke: #78f3df; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.5; width: 76px; }
.about-security-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.about-security-tags span { background: #edf8fb; border: 1px solid #c7e4eb; border-radius: 999px; color: var(--about-primary); font-size: 11px; font-weight: 800; padding: 7px 11px; }

.about-technology { background: linear-gradient(110deg, #fff, #f2fafb); border-bottom: 1px solid var(--about-border); border-top: 1px solid var(--about-border); display: grid; gap: clamp(34px, 6vw, 90px); grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); }
.about-technology-note { align-self: center; background: #fff; border: 1px solid #bcdce5; border-left: 4px solid var(--about-turquoise); border-radius: 15px; box-shadow: 0 9px 22px rgb(17 65 105 / .06); padding: 24px; }
.about-technology-note strong { color: var(--about-deep); }
.about-technology-note p { font-size: 13px; margin-top: 7px; }

.about-final-call { align-items: center; background: linear-gradient(135deg, #0f3d73 0%, #075985 62%, #0e7490 100%); color: #fff; display: flex; gap: 30px; justify-content: space-between; padding: clamp(38px, 5vw, 64px) clamp(28px, 7vw, 108px); }
.about-final-call .about-kicker { color: #78f3df; }
.about-final-call h2 { color: #fff; margin-bottom: 0; max-width: 760px; }
.about-final-call .about-primary-action { background: #fff; border-color: #fff; color: var(--about-primary); flex: 0 0 auto; margin: 0; }

.about-footer { background: #fbfeff; color: var(--about-muted); font-size: 11px; padding: 19px clamp(28px, 5vw, 72px); text-align: center; }
.about-footer a { color: var(--about-primary); font-weight: 800; margin-left: 8px; }

@media (max-width: 900px) {
    .about-hero, .about-purpose, .about-benefits, .about-technology { grid-template-columns: 1fr; }
    .about-hero { gap: 46px; }
    .about-feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .about-purpose > p { border-left: 0; border-top: 4px solid var(--about-turquoise); padding: 22px 0 0; }
}

@media (max-width: 650px) {
    body { padding: 0; }
    .about-shell { border: 0; border-radius: 0; }
    .about-header { align-items: center; min-height: 112px; padding: 8px 18px; }
    .about-brand img { height: 88px; width: 164px; }
    .about-header-back { font-size: 11px; padding: 8px 11px; }
    .about-hero { grid-template-columns: minmax(0, 1fr); padding-top: 48px; }
    .about-hero h1 { font-size: 42px; overflow-wrap: anywhere; }
    .about-hero-panel { padding: 21px; }
    .about-feature-grid { grid-template-columns: 1fr; }
    .about-security { align-items: flex-start; grid-template-columns: 1fr; }
    .about-security-mark { border-radius: 20px; height: 90px; width: 90px; }
    .about-security-mark svg { height: 48px; width: 48px; }
    .about-final-call { align-items: flex-start; flex-direction: column; }
    .about-final-call .about-primary-action { width: 100%; }
}

@media (max-width: 420px) {
    .about-header { flex-direction: column; gap: 2px; padding-bottom: 14px; }
    .about-header-back { min-height: 36px; }
}