/* A single image banner replaces the repeated brand bar and directory title. */
.atlas-banner {
    position: relative;
    isolation: isolate;
    display: flex;
    align-items: center;
    width: calc(100% - 2 * var(--atlas-gutter));
    min-height: clamp(300px, 23vw, 420px);
    margin: 24px auto 0;
    border-radius: 14px 14px 0 0;
    overflow: hidden;
    background: #102a24;
    color: #fff;
}
.atlas-banner-picture, .atlas-banner-picture img { position: absolute; inset: 0; width: 100%; height: 100%; }
.atlas-banner-picture { z-index: -2; }
.atlas-banner-picture img { display: block; object-fit: cover; object-position: center; }
.atlas-banner::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(9,31,25,.4), rgba(9,31,25,.12) 52%, transparent 76%); pointer-events: none; }
.atlas-banner-methods::after { background: linear-gradient(90deg,rgba(7,28,22,.70) 0%,rgba(7,28,22,.48) 34%,rgba(7,28,22,.16) 45%,transparent 54%); }
.atlas-banner-methods .atlas-banner-content { box-sizing: border-box; width: 46%; max-width: 920px; }
.atlas-banner-methods h1 { max-width: 100%; font-size: clamp(40px,3.35vw,58px); text-wrap: balance; white-space: nowrap; }
.atlas-banner-methods .atlas-banner-description { max-width: 720px; }
.atlas-banner-content { width: 100%; padding: 44px clamp(36px, 3.2vw, 64px); }
.atlas-banner .atlas-banner-kicker { font-size: clamp(12px, .9vw, 14px); letter-spacing: .18em; color: #dccda5; margin: 0 0 17px; }
.atlas-banner h1 { color: #fff; font-size: clamp(44px, 4vw, 68px); font-weight: 650; line-height: 1.18; letter-spacing: .025em; margin: 0 0 18px; }
.atlas-banner .atlas-banner-description { margin: 0; font-size: clamp(16px, 1.15vw, 19px); line-height: 1.75; color: #e1e9e2; max-width: 750px; }
.atlas-section-nav { width: 100%; background: #fff; box-shadow: 0 1px 0 rgba(0,0,0,.06); }
.atlas-banner + .atlas-section-nav { width: calc(100% - 2 * var(--atlas-gutter)); margin: 0 auto; border-radius: 0 0 14px 14px; }
.atlas-banner + .atlas-section-nav .atlas-section-nav-inner { padding-right: clamp(24px, 2.5vw, 48px); padding-left: clamp(24px, 2.5vw, 48px); }
.atlas-section-nav-inner { display: flex; align-items: center; gap: 28px; padding: 0 var(--atlas-gutter); min-height: 56px; }
.atlas-section-nav nav { display: flex; align-items: stretch; gap: 30px; min-width: 0; flex: 1; overflow-x: auto; scrollbar-width: thin; }
.atlas-section-nav nav a { flex: 0 0 auto; display: flex; align-items: center; min-height: 56px; padding: 0 2px; border-bottom: 2px solid transparent; color: var(--atlas-muted); font-size: 14px; }
.atlas-section-nav nav a[aria-current] { color: var(--atlas-ink); border-bottom-color: var(--atlas-ink); font-weight: 600; }
.atlas-section-updates { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; flex-shrink: 0; color: var(--atlas-muted); font-size: 12px; }
.atlas-section-updates[aria-current] { font-weight: 600; color: var(--atlas-ink); }
.atlas-main-with-banner { padding-top: 24px; }
@media (hover: hover) { .atlas-section-nav a:hover { color: var(--atlas-ink); } }
@media (max-width: 639px) {
    .atlas-banner { min-height: 240px; margin-top: 16px; }
    .atlas-banner-content { padding: 32px 24px; }
    .atlas-banner h1 { font-size: 34px; margin-bottom: 12px; }
    .atlas-banner .atlas-banner-kicker { font-size: 11px; margin-bottom: 12px; }
    .atlas-banner .atlas-banner-description { font-size: 14px; line-height: 1.7; max-width: 300px; }
    .atlas-banner::after { background: linear-gradient(90deg, rgba(9,31,25,.78), rgba(9,31,25,.6) 65%, rgba(9,31,25,.3)); }
    .atlas-banner-methods::after { background: linear-gradient(90deg,rgba(7,28,22,.88),rgba(7,28,22,.70) 62%,rgba(7,28,22,.30)); }
    .atlas-banner-methods .atlas-banner-content { width: 100%; max-width: none; }
    .atlas-banner-methods h1 { max-width: 310px; font-size: 32px; line-height: 1.28; }
    .atlas-banner-methods .atlas-banner-description { max-width: 310px; }
    .atlas-banner-picture img { object-position: center; }
    .atlas-section-nav-inner { min-height: 50px; gap: 0; }
    .atlas-banner + .atlas-section-nav .atlas-section-nav-inner { padding-right: 16px; padding-left: 16px; }
    .atlas-banner + .atlas-section-nav nav { gap: 14px; }
    .atlas-section-nav nav { gap: 22px; }
    .atlas-section-nav nav a { font-size: 13px; min-height: 50px; white-space: nowrap; }
    .atlas-section-updates { display: none; }
    .atlas-main-with-banner { padding-top: 18px; }
}
@media print { .atlas-banner, .atlas-section-nav { display: none; } }