* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Trebuchet MS", Arial, sans-serif;
    color: #14213d;
    background: #eef3f8;
    line-height: 1.58;
}

a {
    color: inherit;
}

.site-head {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 24px;
    padding: 20px clamp(18px, 5vw, 72px);
    background: #ffffff;
    border-bottom: 1px solid #cfdae7;
}

.logo {
    display: inline-grid;
    text-decoration: none;
    color: var(--accent-dark);
    font-weight: 900;
    line-height: 1;
}

.logo span {
    font-size: 30px;
}

.logo small {
    color: #506176;
    font-size: 13px;
}

nav {
    display: flex;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 18px;
    font-size: 14px;
}

nav a {
    text-decoration: none;
    color: #263b59;
    font-weight: 700;
}

main {
    padding: 0 clamp(18px, 5vw, 72px) 54px;
}

.mast {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 28px;
    align-items: center;
    padding: 58px 0 34px;
}

.mast-text {
    border-left: 8px solid var(--accent);
    padding-left: clamp(20px, 4vw, 42px);
}

.label {
    margin: 0 0 10px;
    color: var(--accent-dark);
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
}

h1,
h2,
h3 {
    margin: 0;
    line-height: 1.13;
    letter-spacing: 0;
}

h1 {
    max-width: 850px;
    font-size: clamp(34px, 5vw, 64px);
}

h2 {
    font-size: 30px;
}

h3 {
    font-size: 20px;
}

.mast p:not(.label),
.section-copy p,
.source-band p,
.text-panel li,
.lead-text {
    color: #40516a;
}

.mast p:not(.label) {
    max-width: 760px;
    font-size: 18px;
}

.stamp {
    display: grid;
    gap: 8px;
    padding: 24px;
    background: var(--accent);
    color: #ffffff;
    text-align: center;
}

.stamp span {
    font-size: 48px;
    font-weight: 900;
}

.stamp strong,
.stamp em {
    display: block;
}

.repere {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(180px, 0.6fr) minmax(180px, 0.7fr);
    gap: 16px;
}

.fact,
.source-band,
.text-panel {
    background: #ffffff;
    border: 1px solid #cfdae7;
}

.fact {
    padding: 22px;
}

.fact-main {
    background: #14213d;
    color: #ffffff;
}

.fact span {
    display: block;
    color: #62748e;
    font-size: 12px;
    text-transform: uppercase;
}

.fact strong {
    display: block;
    margin-top: 8px;
    overflow-wrap: anywhere;
}

.fact-main p {
    color: #dce6f4;
}

.allowed {
    display: grid;
    grid-template-columns: 310px minmax(0, 1fr);
    gap: 26px;
    margin-top: 28px;
}

.tiles {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.tiles article {
    min-height: 220px;
    padding: 22px;
    background: #ffffff;
    border-bottom: 5px solid var(--accent);
}

.tiles span {
    color: var(--accent);
    font-weight: 900;
    font-size: 30px;
}

.source-band {
    margin-top: 28px;
    padding: 28px;
}

.links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
}

.links a {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 9px 14px;
    background: var(--accent-dark);
    color: #ffffff;
    text-decoration: none;
    font-weight: 800;
}

.text-main {
    min-height: 62vh;
    padding-top: 42px;
}

.text-panel {
    max-width: 900px;
    padding: clamp(24px, 5vw, 46px);
}

.text-panel h1 {
    font-size: clamp(32px, 4vw, 52px);
}

.text-panel ul {
    margin: 24px 0 0;
    padding-left: 20px;
}

.text-panel li + li {
    margin-top: 12px;
}

footer {
    display: flex;
    justify-content: space-between;
    gap: 22px;
    padding: 26px clamp(18px, 5vw, 72px);
    background: #14213d;
    color: #ffffff;
}

footer p {
    margin: 0;
}

footer nav a {
    color: #ffffff;
}

@media (max-width: 920px) {
    .site-head,
    .mast,
    .repere,
    .allowed,
    .tiles,
    footer {
        grid-template-columns: 1fr;
    }

    nav {
        justify-content: flex-start;
    }

    footer {
        display: grid;
    }
}