.portal-social .page-shell:has(> .welcome-page) {
    width: min(calc(100vw - 36px), 1480px);
    max-width: none;
    box-sizing: border-box;
    margin: 18px auto 56px;
    padding: 0;
}
.portal-social .topbar .nav-main .nav-cta { background: #1877F2; }
.welcome-page {
    --welcome-blue: #1877F2;
    --welcome-ink: #18324d;
    --welcome-text: #4b6075;
    --welcome-gold: #dcae43;
    width: 100%;
    color: var(--welcome-ink);
}
.welcome-shell {
    position: relative;
    isolation: isolate;
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    grid-template-rows: auto auto auto auto;
    grid-template-areas: "intro visual" "actions visual" "topics visual" "details visual";
    align-items: start;
    align-content: center;
    column-gap: clamp(20px, 3vw, 48px);
    min-height: 690px;
    padding: clamp(30px, 4vw, 58px);
    overflow: hidden;
    box-sizing: border-box;
    border: 1px solid #e4edf6;
    border-radius: 30px;
    background:
        radial-gradient(ellipse at 83% 31%, rgba(24,119,242,.09), transparent 34%),
        radial-gradient(ellipse at 71% 82%, rgba(224,190,100,.12), transparent 32%),
        linear-gradient(128deg, #fff 0%, #fbfdff 62%, #f5faff 100%);
    box-shadow: 0 20px 58px rgba(31,69,106,.11);
}
.welcome-shell::before,
.welcome-shell::after {
    position: absolute;
    z-index: -1;
    border-radius: 50%;
    content: "";
    pointer-events: none;
}
.welcome-shell::before {
    top: -190px;
    right: 22%;
    width: 420px;
    aspect-ratio: 1;
    background: radial-gradient(circle, rgba(255,255,255,.88), rgba(24,119,242,.08) 45%, transparent 72%);
}
.welcome-shell::after {
    right: 3%;
    bottom: -230px;
    width: 540px;
    aspect-ratio: 1;
    background: radial-gradient(circle, rgba(93,183,135,.15), transparent 69%);
}
.welcome-intro { grid-area: intro; min-width: 0; max-width: 640px; }
.welcome-eyebrow {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 9px;
    margin: 0 0 20px;
    color: #a77718;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .105em;
    line-height: 1.5;
    text-transform: uppercase;
}
.welcome-eyebrow span { width: 8px; height: 8px; flex: none; border-radius: 50%; background: var(--welcome-gold); box-shadow: 0 0 0 5px rgba(220,174,67,.14); }
.welcome-eyebrow b { color: #d6aa43; font-weight: 800; }
.welcome-intro h1 {
    max-width: 670px;
    margin: 0 0 19px;
    color: #152f49;
    font-size: clamp(40px, 4.6vw, 66px);
    font-weight: 850;
    line-height: 1.035;
    letter-spacing: -.052em;
    overflow-wrap: anywhere;
}
.welcome-intro h1 span { color: var(--welcome-blue); }
.welcome-lead {
    max-width: 610px;
    margin: 0;
    color: var(--welcome-text);
    font-size: clamp(15px, 1.3vw, 18px);
    line-height: 1.68;
    overflow-wrap: anywhere;
}
.welcome-visual {
    position: relative;
    grid-area: visual;
    align-self: center;
    justify-self: stretch;
    isolation: isolate;
    min-width: 0;
    width: 100%;
    aspect-ratio: 760 / 725;
    overflow: hidden;
    border-radius: 28px;
    background:
        radial-gradient(ellipse at 52% 47%, rgba(255,255,255,.2), transparent 54%),
        linear-gradient(145deg, rgba(225,243,255,.56), rgba(241,249,255,.18) 48%, rgba(244,250,234,.42));
}
.welcome-phones {
    position: absolute;
    z-index: 1;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}
.visual-orbit { position: absolute; z-index: 0; border: 1px solid rgba(220,174,67,.58); border-radius: 50%; pointer-events: none; }
.visual-orbit-one { inset: 7% 11% 8% 12%; transform: rotate(-13deg); }
.visual-orbit-two { inset: 15% 5% 13% 20%; border-color: rgba(24,119,242,.24); transform: rotate(18deg); }
.visual-leaf { position: absolute; z-index: 0; width: 12%; aspect-ratio: .55; border-radius: 100% 0 100% 0; background: linear-gradient(145deg, rgba(91,180,121,.36), rgba(137,204,148,.05)); transform: rotate(28deg); }
.visual-leaf-one { left: 5%; bottom: 20%; }
.visual-leaf-two { right: 7%; bottom: 11%; transform: rotate(68deg) scale(.8); }
.visual-note {
    position: absolute;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: min(230px, 46%);
    padding: 10px 13px 10px 10px;
    border: 1px solid rgba(220,231,240,.95);
    border-radius: 16px;
    background: rgba(255,255,255,.96);
    box-shadow: 0 12px 34px rgba(35,69,100,.14);
    pointer-events: none;
}
.visual-note-community { left: 1%; bottom: 7%; }
.visual-note-planet { right: 0; top: 8%; }
.visual-note-science { left: 0; right: auto; top: 8%; width: min(190px, 28%); min-width: 125px; }
.visual-note-icon { display: grid; width: 38px; height: 38px; flex: none; place-items: center; border-radius: 12px; background: #e9f3ff; color: var(--welcome-blue); font-size: 22px; font-weight: 750; }
.visual-note-planet .visual-note-icon { background: #eff8e9; color: #438c5a; }
.visual-note-science .visual-note-icon { background: #fff5dd; color: #bd8b1b; }
.visual-note strong { display: block; color: #234361; font-size: 12px; line-height: 1.25; }
.visual-note small { display: block; margin-top: 4px; color: #687f93; font-size: 10px; line-height: 1.3; }
.welcome-actions { grid-area: actions; display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 24px; }
.welcome-button {
    display: inline-flex;
    min-height: 54px;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 0 21px;
    border: 1px solid transparent;
    border-radius: 14px;
    text-align: center;
    text-decoration: none;
    font-size: 15px;
    font-weight: 750;
    line-height: 1.25;
    transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease;
}
.welcome-button-primary { background: var(--welcome-blue); box-shadow: 0 12px 24px rgba(24,119,242,.23); color: #fff; }
.welcome-button-primary span { font-size: 20px; line-height: 1; }
.welcome-button-secondary { border-color: #cbdff2; background: rgba(255,255,255,.86); color: #155baa; }
.welcome-button:hover { transform: translateY(-2px); }
.welcome-button:focus-visible { outline: 3px solid rgba(24,119,242,.38); outline-offset: 3px; }
.welcome-topics { grid-area: topics; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 25px; }
.welcome-topic { display: flex; min-width: 0; align-items: flex-start; gap: 10px; padding: 12px 11px; border: 1px solid rgba(221,232,241,.9); border-radius: 15px; background: rgba(255,255,255,.82); }
.topic-icon { display: grid; width: 36px; height: 36px; flex: none; place-items: center; border-radius: 12px; background: #eaf3ff; color: var(--welcome-blue); }
.topic-icon svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.topic-research .topic-icon { background: #fff5dd; color: #bd8b1b; }
.topic-ecology .topic-icon { background: #e9f7ec; color: #3e9a60; }
.topic-community .topic-icon { background: #f1edff; color: #7656c9; }
.welcome-topic strong { display: block; color: #244662; font-size: 12px; line-height: 1.35; overflow-wrap: anywhere; }
.welcome-topic small { display: block; margin-top: 4px; color: #687d91; font-size: 10px; line-height: 1.4; overflow-wrap: anywhere; }
.welcome-details { grid-area: details; max-width: 620px; margin-top: 20px; color: #586d81; font-size: 13px; line-height: 1.6; }
.welcome-details p { margin: 0 0 9px; }
.welcome-details .welcome-motto { margin: 13px 0 0; color: #195eaa; font-size: 14px; }
@media (max-width: 1050px) and (min-width: 761px) {
    .welcome-shell { grid-template-columns: minmax(0, .92fr) minmax(340px, .9fr); column-gap: 22px; min-height: 630px; padding: 30px; }
    .welcome-intro h1 { font-size: clamp(36px, 4vw, 49px); }
    .welcome-visual { border-radius: 22px; }
    .welcome-topic { padding: 10px 8px; gap: 8px; }
    .topic-icon { width: 32px; height: 32px; }
    .welcome-topic strong { font-size: 11px; }
    .welcome-topic small { font-size: 9px; }
    .visual-note { padding: 8px; gap: 7px; }
    .visual-note-icon { width: 32px; height: 32px; }
    .visual-note strong { font-size: 10px; }
    .visual-note small { font-size: 9px; }
}
@media (max-width: 760px) {
    .portal-social .page-shell:has(> .welcome-page) { width: calc(100vw - 24px); margin: 14px auto 42px; padding: 0; }
    .welcome-shell {
        grid-template-columns: minmax(0, 1fr);
        grid-template-rows: auto;
        grid-template-areas: "intro" "visual" "actions" "topics" "details";
        gap: 0;
        width: 100%;
        min-height: 0;
        margin: 0;
        padding: 26px 20px 24px;
        border-radius: 23px;
    }
    .welcome-intro, .welcome-visual, .welcome-actions, .welcome-topics, .welcome-details { width: 100%; max-width: 100%; min-width: 0; }
    .welcome-eyebrow { gap: 7px; margin-bottom: 14px; font-size: 10px; letter-spacing: .075em; }
    .welcome-intro h1 { margin-bottom: 12px; font-size: clamp(31px, 8.5vw, 42px); line-height: 1.04; }
    .welcome-lead { font-size: 15px; line-height: 1.58; }
    .welcome-visual { margin-top: 17px; margin-bottom: 76px; overflow: visible; border-radius: 19px; }
    .visual-note { gap: 6px; padding: 7px; border-radius: 12px; }
    .visual-note-community { left: 0; bottom: 3%; }
    .visual-note-planet { right: 0; top: 3%; }
    .visual-note.visual-note-science { left: 0; right: auto; top: auto; bottom: -64px; width: min(280px, 100%); max-width: 100%; min-width: 0; box-sizing: border-box; }
    .visual-note-icon { width: 29px; height: 29px; border-radius: 9px; font-size: 18px; }
    .visual-note strong { font-size: 9px; }
    .visual-note small { font-size: 8px; }
    .welcome-actions { display: grid; grid-template-columns: minmax(0, 1fr); gap: 9px; margin-top: 18px; }
    .welcome-button { width: 100%; min-width: 0; min-height: 50px; padding: 8px 14px; font-size: 14px; overflow-wrap: anywhere; }
    .welcome-topics { grid-template-columns: minmax(0, 1fr); gap: 8px; margin-top: 19px; }
    .welcome-topic { align-items: center; gap: 11px; padding: 11px; }
    .welcome-topic strong { font-size: 13px; }
    .welcome-topic small { font-size: 11px; }
    .welcome-details { margin-top: 17px; font-size: 13px; }
}
@media (max-width: 390px) {
    .portal-social .page-shell:has(> .welcome-page) { width: calc(100vw - 18px); padding: 0; }
    .welcome-shell { padding: 22px 16px 20px; }
    .welcome-intro h1 { font-size: clamp(29px, 8.2vw, 32px); }
    .welcome-intro h1 span { display: block; }
    .welcome-eyebrow { letter-spacing: .04em; }
    .welcome-visual { margin-top: 14px; }
    .visual-note { max-width: 49%; }
    .visual-note-community { bottom: 2%; }
    .visual-note-icon { width: 25px; height: 25px; font-size: 16px; }
    .visual-note strong { font-size: 8px; }
    .visual-note small { font-size: 7px; }
    .welcome-button { font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) { .welcome-button { transition: none !important; } }
/* RED:50 responsive home layout. */
.portal-social .page-shell:has(> .welcome-page) { min-height: 0; }
.welcome-page .welcome-shell {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    grid-template-rows: auto auto auto auto;
    grid-template-areas: "intro visual" "actions visual" "topics highlights" "details details";
    align-content: start;
    min-height: 0;
    overflow: visible;
}
.welcome-page .welcome-visual { align-self: start; overflow: hidden; aspect-ratio: 1448 / 1086; }
.welcome-page .welcome-highlights {
    grid-area: highlights;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    align-self: start;
    min-width: 0;
    margin-top: 12px;
}
.welcome-page .welcome-highlights .visual-note {
    position: relative;
    inset: auto;
    width: auto;
    min-width: 0;
    max-width: none;
    min-height: 88px;
    align-items: flex-start;
    padding: 11px 10px;
    pointer-events: auto;
}
.welcome-page .welcome-highlights .visual-note-icon { width: 34px; height: 34px; border-radius: 11px; font-size: 20px; }
.welcome-page .welcome-highlights .visual-note strong { font-size: 12px; line-height: 1.3; }
.welcome-page .welcome-highlights .visual-note small { font-size: 10px; }
@media (max-width: 1050px) and (min-width: 761px) {
    .welcome-page .welcome-shell {
        grid-template-columns: minmax(0, .92fr) minmax(340px, .9fr);
        grid-template-areas: "intro visual" "actions visual" "topics highlights" "details details";
        column-gap: 22px;
        min-height: 0;
        padding: 30px;
    }
    .welcome-page .welcome-highlights { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; margin-top: 10px; }
    .welcome-page .welcome-highlights .visual-note { min-height: 92px; gap: 6px; padding: 8px; }
    .welcome-page .welcome-highlights .visual-note-icon { width: 28px; height: 28px; border-radius: 9px; font-size: 17px; }
    .welcome-page .welcome-highlights .visual-note strong { font-size: 10px; }
    .welcome-page .welcome-highlights .visual-note small { font-size: 8px; }
}
@media (max-width: 900px) {
    .welcome-page .welcome-shell {
        grid-template-columns: minmax(0, 1fr);
        grid-template-areas: "intro" "visual" "highlights" "actions" "topics" "details";
        gap: 0;
    }
    .welcome-page .welcome-visual { margin-top: 17px; margin-bottom: 0; }
    .welcome-page .welcome-highlights { grid-template-columns: repeat(auto-fit, minmax(185px, 1fr)); gap: 9px; margin-top: 14px; }
    .welcome-page .welcome-highlights .visual-note { min-height: 82px; }
}
@media (max-width: 760px) {
    .portal-social .page-shell:has(> .welcome-page) { width: calc(100vw - 24px); margin: 14px auto 42px; padding: 0; }
    .welcome-page .welcome-shell { padding: 26px 20px 24px; border-radius: 23px; }
    .welcome-page .welcome-visual { margin-top: 17px; margin-bottom: 0; overflow: hidden; border-radius: 19px; }
    .welcome-page .welcome-highlights { grid-template-columns: minmax(0, 1fr); gap: 8px; margin-top: 13px; }
    .welcome-page .welcome-highlights .visual-note { min-height: 0; align-items: center; padding: 10px 11px; border-radius: 13px; }
    .welcome-page .welcome-highlights .visual-note-icon { width: 31px; height: 31px; border-radius: 9px; font-size: 18px; }
    .welcome-page .welcome-highlights .visual-note strong { font-size: 12px; }
    .welcome-page .welcome-highlights .visual-note small { font-size: 10px; }
    .welcome-page .welcome-actions { margin-top: 18px; }
}
@media (max-width: 390px) {
    .portal-social .page-shell:has(> .welcome-page) { width: calc(100vw - 18px); }
    .welcome-page .welcome-shell { padding: 22px 16px 20px; }
    .welcome-page .welcome-visual { margin-top: 14px; }
    .welcome-page .welcome-highlights .visual-note { padding: 9px; }
    .welcome-page .welcome-highlights .visual-note-icon { width: 28px; height: 28px; }
    .welcome-page .welcome-highlights .visual-note strong { font-size: 11px; }
    .welcome-page .welcome-highlights .visual-note small { font-size: 9px; }
}