:root{
/* Base — sampled from logotema PNG/SVG exports and the PPT template */
--vss-red:#C1343E;          /* logotema red (SUMMER, "the", Agenda científica) */
--vss-red-vivid:#D31F38;    /* PPT template text + rule colour */
--vss-red-deep:#A62122;     /* PPT miolo header bar + footer rule */
--vss-white:#FFFFFF;
--vss-black:#000000;
--vss-ink:#0A0A0C;          /* near-black ground of the logotema sheet */
--vss-grey-1:#F4F4F4;       /* off-white (SAVE THE DATE outline fill) */
--vss-grey-2:#D9D9D9;
--vss-grey-5:#6E6E6E;
--vss-grey-8:#222222;
/* Photographic accents — from the key visual, for reference only */
--vss-lawn:#2F5A1E;
--vss-pool:#0E4E5C;
--vss-dusk:#9FB6C4;

/* Semantic */
--surface-page:var(--vss-white);
--surface-dark:var(--vss-ink);
--surface-band:var(--vss-red-deep);
--text-body:var(--vss-black);
--text-muted:var(--vss-grey-5);
--text-on-dark:var(--vss-white);
--text-accent:var(--vss-red);
--text-title:var(--vss-black);
--rule-accent:var(--vss-red-vivid);
--rule-light:rgba(255,255,255,.85);
--border-subtle:var(--vss-grey-2);
--action-primary:var(--vss-red);
--action-primary-hover:var(--vss-red-deep);
--action-on-primary:var(--vss-white);
--scrim-photo:linear-gradient(180deg,rgba(0,0,0,0) 40%,rgba(0,0,0,.55) 100%); /* @kind other */
}
a{color:var(--vss-red);text-decoration:none}
a:hover{color:var(--vss-red-deep);text-decoration:underline}