:root {
    --altera-navy: #073c52;
    --altera-teal: #086f86;
    --altera-cyan: #dff5f6;
    --altera-lime: #c9e72f;
    --altera-ink: #123748;
    --altera-muted: #56717d;
    --altera-surface: #f4f9fa;
}

.altera-page { color: var(--altera-ink); background: #fff; }
.altera-page *, .altera-page *::before, .altera-page *::after { box-sizing: border-box; }
.altera-section, .altera-intro { padding: 88px 0; }
.altera-copy-narrow { max-width: 980px; text-align: center; }
.altera-copy-narrow p { max-width: 900px; margin-right: auto; margin-left: auto; }
.altera-split, .altera-pair { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); gap: 72px; align-items: center; }
.altera-kicker { display: block; margin-bottom: 14px; color: var(--altera-teal); font-size: 14px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.altera-page h2 { margin: 0 0 22px; color: var(--altera-navy); font-size: clamp(32px, 4vw, 50px); font-weight: 750; line-height: 1.12; }
.altera-page h3 { margin: 0 0 15px; color: var(--altera-navy); font-size: 22px; line-height: 1.3; }
.altera-page p { color: var(--altera-muted); font-size: 16px; line-height: 1.75; }
.altera-lead { color: var(--altera-ink) !important; font-size: 20px !important; line-height: 1.6 !important; }
.altera-button { display: inline-flex; min-height: 48px; margin-top: 18px; padding: 13px 22px; gap: 10px; align-items: center; justify-content: center; border: 2px solid var(--altera-navy); border-radius: 4px; background: var(--altera-navy); color: #fff; font-weight: 750; text-decoration: none; transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease; }
.altera-button:hover, .altera-button:focus-visible { border-color: var(--altera-teal); background: var(--altera-teal); color: #fff; text-decoration: none; }
.altera-button:focus-visible { outline: 3px solid var(--altera-lime); outline-offset: 3px; }
.altera-section--insights {
    position: relative;
    padding: 96px 0;
    overflow: hidden;
    background:
        radial-gradient(circle at 12% 20%, rgba(201, 231, 47, .11), transparent 24%),
        var(--altera-surface);
}
.altera-section--insights .altera-split {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 0;
    overflow: hidden;
    border-radius: 18px;
    background: var(--altera-navy);
    box-shadow: 0 28px 70px rgba(7, 60, 82, .2);
}
.altera-insights-copy {
    display: flex;
    min-height: 540px;
    max-width: none;
    padding: 68px 64px;
    flex-direction: column;
    justify-content: center;
}
.altera-insights-copy .altera-kicker { color: var(--altera-lime); }
.altera-insights-copy h2 { max-width: 560px; color: #fff; font-size: clamp(36px, 3.5vw, 52px); }
.altera-insights-copy p { max-width: 600px; margin-bottom: 0; color: rgba(255, 255, 255, .82); font-size: 17px; }
.altera-visual {
    position: relative;
    min-width: 0;
    min-height: 540px;
    margin: 0;
    overflow: hidden;
}
.altera-visual::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    z-index: 1;
    width: 24%;
    background: linear-gradient(90deg, var(--altera-navy), transparent);
    pointer-events: none;
}
.altera-visual::after {
    content: "";
    position: absolute;
    right: 28px;
    bottom: 28px;
    z-index: 1;
    width: 74px;
    height: 74px;
    border-right: 3px solid var(--altera-lime);
    border-bottom: 3px solid var(--altera-lime);
    pointer-events: none;
}
.altera-visual img {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 540px;
    object-fit: cover;
    object-position: 55% center;
}
.altera-section--platform { background: #fff; }
.altera-feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; align-items: stretch; }
.altera-feature { padding: 34px 30px; border-top: 5px solid var(--altera-lime); background: #fff; box-shadow: 0 12px 35px rgba(7, 60, 82, .08); }
.altera-feature__icon { display: inline-flex; width: 64px; height: 64px; margin-bottom: 26px; align-items: center; justify-content: center; border-radius: 50%; background: var(--altera-cyan); color: var(--altera-teal); font-size: 26px; }
.altera-feature h2 { margin-bottom: 18px; font-size: 25px; }
.altera-feature p:last-child { margin-bottom: 0; }
.altera-section--pair { background: var(--altera-surface); }
.altera-benefits { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.altera-benefits li { display: flex; min-height: 58px; padding: 15px 18px; gap: 14px; align-items: center; border-left: 4px solid var(--altera-lime); background: var(--altera-surface); color: var(--altera-ink); font-weight: 650; }
.altera-benefits i { color: var(--altera-teal); }
.altera-cta { padding: 62px 0; background: var(--altera-navy); }
.altera-cta__inner { display: flex; gap: 32px; align-items: center; justify-content: space-between; }
.altera-cta .altera-kicker { color: var(--altera-lime); }
.altera-cta h2 { max-width: 760px; margin-bottom: 0; color: #fff; font-size: clamp(30px, 3.5vw, 44px); }
.altera-button--light { flex: 0 0 auto; border-color: #fff; background: #fff; color: var(--altera-navy); }
.altera-button--light:hover, .altera-button--light:focus-visible { border-color: var(--altera-lime); background: var(--altera-lime); color: var(--altera-navy); }

@media (max-width: 991px) {
    .altera-section, .altera-intro { padding: 68px 0; }
    .altera-split, .altera-pair { grid-template-columns: 1fr; gap: 40px; }
    .altera-feature-grid { grid-template-columns: 1fr; }
    .altera-section--insights { padding: 68px 0; }
    .altera-section--insights .altera-split { grid-template-columns: 1fr; }
    .altera-insights-copy { min-height: auto; padding: 52px 48px; }
    .altera-visual, .altera-visual img { min-height: 390px; }
    .altera-visual::before { inset: 0 0 auto; width: 100%; height: 22%; background: linear-gradient(180deg, var(--altera-navy), transparent); }
}

@media (max-width: 767px) {
    .altera-section, .altera-intro { padding: 52px 0; }
    .altera-page h2 { font-size: 32px; }
    .altera-lead { font-size: 18px !important; }
    .altera-copy-narrow { text-align: left; }
    .altera-section--insights { padding: 48px 0; }
    .altera-section--insights .altera-split { border-radius: 10px; }
    .altera-insights-copy { padding: 38px 26px 42px; }
    .altera-insights-copy h2 { font-size: 34px; }
    .altera-insights-copy p { font-size: 16px; }
    .altera-visual, .altera-visual img { min-height: 280px; }
    .altera-visual::after { right: 18px; bottom: 18px; width: 48px; height: 48px; }
    .altera-cta__inner { align-items: stretch; flex-direction: column; }
    .altera-button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    .altera-button { transition: none; }
}