:root {
    --ink:#172a3a;
    --blue:#163f5b;
    --teal:#2b7a78;
    --paper:#f8f5ee;
    --white:#fff;
    --line:#d9dedb
}

* {
    box-sizing:border-box
}

html {
    scroll-behavior:smooth
}

body {
    margin:0;
    font-family:Inter,Arial,sans-serif;
    color:var(--ink);
    background:var(--paper);
    line-height:1.65
}

a {
    color:inherit
}

.hero {
    min-height:760px;
    background:linear-gradient(125deg,rgba(10,35,52,.96),rgba(20,78,87,.9));
    color:white;
    position:relative;
    overflow:hidden
}

.hero:after {
    content:"";
    position:absolute;
    width:560px;
    height:560px;
    border:1px solid rgba(255,255,255,.12);
    border-radius:50%;
    right:-130px;
    top:170px;
    box-shadow:0 0 0 85px rgba(255,255,255,.035),0 0 0 170px rgba(255,255,255,.025)
}

nav {
    height:84px;
    max-width:1180px;
    margin:auto;
    padding:0 28px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    position:relative;
    z-index:2;
    border-bottom:1px solid rgba(255,255,255,.16)
}

nav div {
    display:flex;
    gap:25px
}

nav a {
    text-decoration:none;
    font-size:14px
}

.brand {
    font-family:Georgia,serif;
    font-size:20px;
    font-weight:bold
}

.hero-inner,.sub-inner {
    max-width:1180px;
    margin:auto;
    padding:115px 28px;
    position:relative;
    z-index:1
}

.eyebrow,.kicker {
    text-transform:uppercase;
    letter-spacing:.17em;
    font-size:12px;
    font-weight:700
}

.hero h1,.subhero h1 {
    font:normal 72px/1.02 Georgia,serif;
    margin:20px 0 28px;
    max-width:900px
}

.hero h1 span {
    color:#a7d8d3
}

.lead {
    max-width:720px;
    font-size:20px;
    color:#e2ecec
}

.actions {
    display:flex;
    gap:12px;
    margin-top:38px
}

.button {
    display:inline-block;
    background:var(--teal);
    color:white;
    text-decoration:none;
    padding:13px 22px;
    border-radius:3px;
    font-weight:700;
    font-size:14px
}

.ghost {
    background:transparent;
    border:1px solid rgba(255,255,255,.5)
}

.section {
    max-width:1180px;
    margin:auto;
    padding:90px 28px
}

.section h2 {
    font:normal 42px/1.15 Georgia,serif;
    margin:8px 0 24px
}

.intro p:last-child {
    max-width:830px;
    font-size:18px
}

.tinted {
    max-width:none;
    background:#eef1ec
}

.tinted>* {
    max-width:1124px;
    margin-left:auto;
    margin-right:auto
}

.cards,.speaker-grid,.organizers {
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px
}

.cards article,.organizers article {
    background:white;
    padding:32px;
    border-top:3px solid var(--teal)
}

.cards span {
    font:30px Georgia,serif;
    color:#8da7a4
}

.cards h3,.organizers h3 {
    font:24px Georgia,serif;
    margin:12px 0
}

.speaker-grid {
    grid-template-columns:repeat(4,1fr);
    margin-top:30px
}

.speaker-grid div {
    font:25px Georgia,serif;
    padding:30px 20px;
    border-top:1px solid var(--ink);
    background:#fff
}

.muted {
    color:#66737b
}

.apply {
    max-width:none;
    background:var(--blue);
    color:white;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:100px
}

.apply>div {
    max-width:720px
}

.apply a {
    color:#c9f0ec
}

.apply .light {
    background:white;
    color:var(--blue);
    white-space:nowrap
}

.split {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:80px
}

.organizers a {
    color:var(--teal)
}

footer {
    background:#102936;
    color:#d8e3e4;
    padding:35px max(28px,calc((100% - 1124px)/2));
    display:flex;
    justify-content:space-between;
    font-size:13px
}

.subhero {
    background:linear-gradient(120deg,#102f44,#245f67);
    color:white
}

.sub-inner {
    padding:70px 28px
}

.subhero h1 {
    font-size:58px;
    margin-bottom:0
}

.programme {
    min-height:520px
}

.placeholder {
    margin:45px 0;
    display:flex;
    gap:25px;
    align-items:center;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    padding:28px 0
}

.placeholder span {
    font:42px Georgia,serif;
    color:var(--teal)
}

@media(max-width:760px) {
    nav div {
        gap:12px;
        flex-wrap:wrap;
        justify-content:flex-end
    }

    nav div a:nth-child(-n+3) {
        display:none
    }

    .hero {
        min-height:680px
    }

    .hero h1,.subhero h1 {
        font-size:48px
    }

    .hero-inner {
        padding-top:85px
    }

    .cards,.speaker-grid,.organizers,.split {
        grid-template-columns:1fr
    }

    .apply {
        display:block;
        padding:70px 28px
    }

    .apply .button {
        margin-top:20px
    }

    footer {
        display:block
    }

    footer div+div {
        margin-top:12px
    }

}

/* -------------------------------------------
   Speaker lists: three columns on desktop
   ------------------------------------------- */

.speaker-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 35px;
}

.speaker-column h3 {
    font: 26px Georgia, serif;
    color: var(--blue);
    margin-bottom: 20px;
}

.academic-list {
    padding-left: 24px;
    line-height: 2.2;
    font-size: 17px;
}

.speaker-note {
    font-size: 12px;
    color: #66737b;
    margin-top: 25px;
}

@media (max-width: 760px) {
    .speaker-columns {
        grid-template-columns: 1fr;
        gap: 25px;
    }
}