@import url('https://fonts.googleapis.com/css2?family=Jost:ital,wght@0,400..700;1,400..700&family=Manrope:wght@400..700&display=swap');

:root {
    --color-charcoal: #130D2B;
    --color-crisp-white: #F6F4FA;
    --color-quantum-purple-dark: rgba(167, 139, 250, 0.3);
    --color-quantum-purple: #A78BFA;
    --color-quantum-purple-light: #C4B5FD;
    --color-mid-gray: #7D75A3;
    --font-body: 'Futura', 'Manrope', sans-serif;
    --font-heading: 'Futura', 'Jost', sans-serif;
}


.cta-button {
    display: inline-block; 
    margin-top: 2rem; 
    padding: 0.75rem 2rem; 
    background-color: var(--color-quantum-purple);
    color: var(--color-charcoal);
    text-decoration: none; 
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.cta-button:hover {
    background-color: var(--color-quantum-purple-light);
    color: var(--color-charcoal);
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(167, 139, 250, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-charcoal); 
    color: var(--color-crisp-white);
    line-height: 1.6;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    color: var(--color-crisp-white);
    margin-bottom: 0.5em;
}

h2 {
    font-size: 2rem;
    color: var(--color-quantum-purple-light);
    border-bottom: 1px solid var(--color-quantum-purple-dark);
    padding-bottom: 0.5rem; margin-top: 2em;
}
p { margin-bottom: 1.5rem; }

a {
    color: var(--color-quantum-purple);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-quantum-purple-light);
    text-decoration: underline;
}


header {
    background-color: rgba(14, 9, 33, 0.95);
    padding: 1rem 4%;
    position: sticky; 
    top: 0; 
    z-index: 1000; 
    backdrop-filter: blur(5px); 
    -webkit-backdrop-filter: blur(5px); 
}

header img.logo {
    height: 80px;
    border-radius: 20px;
}

.nav-container {
    display: flex;
    justify-content: space-between; 
    align-items: center;
}

nav ul {
    list-style: none; 
    display: flex; 
}

nav ul li {
    margin-left: 25px; 
}

nav a {
    text-decoration: none;
    color: var(--color-crisp-white);
    font-weight: 500;
    transition: color 0.3s ease; 
}

nav a:hover {
    color: var(--color-quantum-purple);
    text-decoration: none;
}

main {
    padding: 4rem 5%;
    max-width: 1200px; 
    margin: 0 auto; 
}

footer {
    text-align: center;
    padding: 2rem 5%;
    margin-top: 3rem;
    border-top: 1px solid rgba(167, 139, 250, 0.1);
    color: var(--color-mid-gray);
}

.card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; margin-top: 2rem;}
.card { background-color: rgba(196, 181, 253, 0.06); padding: 2rem; transition: transform 0.3s ease, background-color 0.3s ease;}
.card:hover { border-color: var(--color-quantum-purple); }

.people-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2.5rem;
}

a.person-card,
a.person-card:hover {
    color: inherit;
    text-decoration: none;
}

.person-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem 1.25rem;
    background-color: rgba(196, 181, 253, 0.06);
    border: 1px solid var(--color-quantum-purple-dark);
    border-radius: 12px;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.person-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-quantum-purple);
    box-shadow: 0 10px 25px rgba(167, 139, 250, 0.2);
}

.person-photo {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--color-quantum-purple-dark);
    margin-bottom: 1.25rem;
    transition: border-color 0.3s ease;
}

.person-card:hover .person-photo {
    border-color: var(--color-quantum-purple);
}

.person-name {
    font-size: 1.15rem;
    margin-bottom: 0.25rem;
}

.person-role {
    display: inline-block;
    padding: 0.15rem 0.75rem;
    margin-bottom: 0.5rem;
    background-color: var(--color-quantum-purple);
    color: var(--color-charcoal);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.person-affiliation {
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
    color: var(--color-quantum-purple-light);
}

.person-country {
    margin-bottom: 0;
    font-size: 0.85rem;
    color: var(--color-mid-gray);
}

/* Updates timeline */
.updates {
    max-width: 820px;
    margin-top: 2.5rem;
}

.update {
    display: flex;
    gap: 2.5rem;
    padding: 2rem 0;
    border-top: 1px solid var(--color-quantum-purple-dark);
}

.update:first-child {
    border-top: none;
    padding-top: 0;
}

.update time {
    flex: 0 0 6.5rem;
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    padding-left: 1rem;
    border-left: 3px solid var(--color-quantum-purple);
}

.update time .day {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-quantum-purple);
}

.update time .month {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-quantum-purple-light);
}

.update time .year {
    font-size: 0.85rem;
    color: var(--color-mid-gray);
    margin-top: 0.15rem;
}

/* Date range: e.g. a multi-day meeting. Add class="range" to <time>
   and put the range in .day ("6–9") or .month ("Oct–Nov"). */
.update time.range .day {
    font-size: 2rem;
    letter-spacing: -0.01em;
}

.update-body {
    flex: 1;
}

.update-body h2 {
    font-size: 1.35rem;
    color: var(--color-crisp-white);
    border: none;
    padding: 0;
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.update-body p:last-child {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    header { padding: 1rem 4%; }
    .nav-container { flex-direction: column; align-items: flex-start; }
    nav ul { margin-top: 1rem; padding-left: 0; }
    nav ul li { margin-left: 15px; }
    .card-grid { grid-template-columns: 1fr; }
    .update { flex-direction: column; gap: 1rem; }
    .update time { flex-basis: auto; flex-direction: row; align-items: baseline; gap: 0.5rem; }
    .update time .day { font-size: 1.75rem; }
    .update time .month { font-size: 0.9rem; }
    .update time .year { margin-top: 0; }
}