/* Layout primitives */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.wrap--narrow { max-width: calc(var(--wrap-narrow) + 2 * var(--gutter)); }
.wrap--wide { max-width: 1520px; }

main { display: block; }

.sec { padding-block: var(--sec-y); position: relative; }
.sec--tight { padding-block: calc(var(--sec-y) * .6); }
.sec--flush-top { padding-top: 0; }
.sec--ice { background: var(--ice); }
.sec--mint { background: var(--mint); }
.sec--paper { background: var(--paper); }
.sec--mineral { background: var(--mineral); }
.sec--graphite { background: var(--graphite); color: #D5DCE4; }
.sec--graphite h1, .sec--graphite h2, .sec--graphite h3, .sec--graphite h4, .sec--graphite strong { color: #fff; }
.sec--graphite .ml { color: var(--mint); }
.sec--graphite a { color: #A9C2FF; }
.sec--graphite p, .sec--graphite li { color: #D5DCE4; }
.sec--cobalt { background: var(--cobalt); color: #fff; }
.sec--cobalt h1, .sec--cobalt h2, .sec--cobalt h3, .sec--cobalt h4, .sec--cobalt p, .sec--cobalt li, .sec--cobalt strong { color: #fff; }
.sec--cobalt .ml { color: #fff; }
.sec--cobalt a { color: #fff; }
.sec--rule { border-top: 1px solid var(--line); }

/* faint coordinate grid */
.gridlines { position: relative; isolation: isolate; }
.gridlines::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(to right, rgba(113, 130, 155, .13) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%;
}
.sec--graphite.gridlines::before { background-image: linear-gradient(to right, rgba(220, 237, 231, .07) 1px, transparent 1px); }

/* grids */
.grid { display: grid; gap: clamp(20px, 2.6vw, 40px); }
.grid-2 { display: grid; gap: clamp(24px, 3vw, 48px); grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { display: grid; gap: clamp(20px, 2.6vw, 36px); grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { display: grid; gap: clamp(16px, 2vw, 28px); grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-12 { display: grid; gap: clamp(16px, 2vw, 32px); grid-template-columns: repeat(12, minmax(0, 1fr)); }
.span-3 { grid-column-end: span 3; } .span-4 { grid-column-end: span 4; } .span-5 { grid-column-end: span 5; }
.span-6 { grid-column-end: span 6; } .span-7 { grid-column-end: span 7; } .span-8 { grid-column-end: span 8; }
.span-9 { grid-column-end: span 9; } .span-12 { grid-column: 1 / -1; }
.start-2 { grid-column-start: 2; } .start-6 { grid-column-start: 6; } .start-7 { grid-column-start: 7; }
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(28px, 5vw, 88px); align-items: start; }
.split--rev { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.split--even { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.split--center { align-items: center; }
.sticky-col { position: sticky; top: calc(var(--nav-h) + 28px); }

.stack > * + * { margin-top: 1.25rem; }
.stack-lg > * + * { margin-top: 2.5rem; }
.center { text-align: center; }
.mt-0 { margin-top: 0 !important; } .mb-0 { margin-bottom: 0 !important; }
.mt-2 { margin-top: 2rem; } .mt-3 { margin-top: 3rem; } .mt-4 { margin-top: 4rem; } .mb-2 { margin-bottom: 2rem; } .mb-3 { margin-bottom: 3rem; }