@font-face {
    font-family: 'Helvetica Neue';
    src: url('../fonts/HelveticaNeue-Light.woff2') format('woff2');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Helvetica Neue';
    src: url('../fonts/HelveticaNeue.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Helvetica Neue';
    src: url('../fonts/HelveticaNeue-Medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Helvetica Neue';
    src: url('../fonts/HelveticaNeue-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

:root {
    --blue-dark: #0d214f;
    --blue: #233f8f;
    --cyan: #08aeea;
    --white: #fff;
    --content-width: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: var(--blue);
    background: #fff;
    -webkit-font-smoothing: antialiased;
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(calc(100% - 112px), var(--content-width));
    margin: 0 auto;
}

.header-top {
    display: grid;
    grid-template-columns: minmax(280px, 365px) 1fr;
    align-items: start;
    gap: 48px;
}

.header-top .site-nav {
    padding-top: 6px;
}

/* HERO */
.hero {
    position: relative;
    min-height: 665px;
    color: #fff;
    background:
        linear-gradient(90deg, rgba(0, 15, 52, .06), rgba(0, 15, 52, .02)),
        url('../images/background.png') center center / cover no-repeat;
    overflow: hidden;
}

.hero-inner {
    position: relative;
    z-index: 2;
    padding-top: 56px;
    padding-bottom: 56px;
}

.hero-top {
    display: grid;
    grid-template-columns: minmax(280px, 365px) 1fr;
    align-items: start;
    gap: 48px;
}

.event-title {
    width: 365px;
    max-width: 100%;
}

.event-title img {
    width: 100%;
    height: auto;
}

.event-meta {
    display: flex;
    flex-direction: column;
    margin-top: 28px;
    font-size: 15px;
    line-height: 1.04;
    letter-spacing: .01em;
}

.hero-copy {
    width: min(680px, 65%);
    margin-top: 46px;
    font-size: 12.4px;
    line-height: 1.24;
    font-weight: 400;
    text-align: justify;
}

.hero-copy p {
    margin: 0 0 18px;
}

.hero-partner-logos {
    margin-top: 45px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* NAV */
.site-nav {
    justify-self: end;
    padding-top: 6px;
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(18px, 2vw, 30px);
}

.nav-links a {
    position: relative;
    display: inline-block;
    color: #fff;
    font-size: 12px;
    line-height: 1;
    font-weight: 700;
    text-transform: uppercase;
    white-space: nowrap;
    padding-bottom: 11px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: #fff;
    transition: width .2s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 31px;
}

.nav-toggle {
    display: none;
}

/* REGISTRATION */
.registration-section {
    min-height: 510px;
    background: #fff;
}

.registration-inner {
    padding-top: 72px;
    padding-bottom: 80px;
}

.registration-inner h1 {
    margin: 0 0 40px;
    font-size: 38px;
    line-height: 1;
    font-weight: 400;
    letter-spacing: -.03em;
    color: #2d4993;
}

.registration-copy {
    width: min(460px, 100%);
    font-size: 12px;
    line-height: 1.16;
    font-weight: 500;
}

.registration-copy p {
    margin: 0 0 19px;
}

.registration-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 178px;
    height: 42px;
    margin-top: 12px;
    border: 1.5px solid #90a6d1;
    border-radius: 999px;
    color: #2d4993;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.registration-button:hover {
    background: #2d4993;
    border-color: #2d4993;
    color: #fff;
}

.privacy-note {
    width: min(490px, 100%);
    margin: 31px 0 0;
    font-size: 9.5px;
    line-height: 1.12;
    font-style: italic;
    font-weight: 400;
}

/* FOOTER */
.site-footer {
    min-height: 210px;
    color: #fff;
    background: url('../images/background-element-1.png') center center / cover no-repeat;
}

.footer-inner {
    min-height: 210px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(120px, 1fr));
    gap: 55px;
}

.footer-nav > div {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.footer-nav a {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.footer-nav a:hover {
    text-decoration: underline;
}

.partner-logos {
    width: min(475px, 46%);
    display: grid;
    grid-template-columns: 1.12fr 1fr 1.55fr .7fr;
    align-items: center;
    gap: 28px;
}

.partner-logos img {
    width: 100%;
    max-height: 58px;
    object-fit: contain;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.footer-contact a {
    margin: 0;
}

/* RESPONSIVE */
@media (max-width: 1100px) {
    .container {
        width: min(calc(100% - 64px), var(--content-width));
    }

    .hero-top {
        grid-template-columns: minmax(260px, 340px) 1fr;
        gap: 30px;
    }

    .nav-links {
        gap: 15px;
    }

    .nav-links a {
        font-size: 10px;
    }

    .hero-copy {
        width: min(650px, 68%);
    }

    .footer-inner {
        gap: 35px;
    }

    .footer-nav {
        gap: 30px;
    }
}

@media (max-width: 900px) {
    body.menu-open {
        overflow: hidden;
    }

    .container {
        width: min(calc(100% - 40px), var(--content-width));
    }

    .hero {
        min-height: auto;
        background-position: 62% center;
    }

    .hero-inner {
        padding-top: 28px;
        padding-bottom: 50px;
    }

    .hero-top {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 24px;
    }

    .event-title {
        width: min(310px, calc(100% - 70px));
    }

    .site-nav {
        position: static;
        padding-top: 2px;
    }

    .nav-toggle {
        position: relative;
        z-index: 1002;
        display: flex;
        width: 44px;
        height: 44px;
        padding: 10px 8px;
        flex-direction: column;
        justify-content: center;
        gap: 6px;
        border: 0;
        background: transparent;
        cursor: pointer;
    }

    .nav-toggle span {
        display: block;
        width: 100%;
        height: 2px;
        background: #fff;
        transition: transform .25s ease, opacity .25s ease;
    }

    .nav-toggle[aria-expanded="true"] span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle[aria-expanded="true"] span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle[aria-expanded="true"] span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-links {
        position: fixed;
        inset: 0;
        z-index: 1001;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        gap: 0;
        padding: 88px 34px 40px;
        background: rgba(7, 25, 67, .98);
        transform: translateX(100%);
        transition: transform .28s ease;
    }

    .nav-links.open {
        transform: translateX(0);
    }

    .nav-links a {
        width: 100%;
        padding: 16px 0;
        border-bottom: 1px solid rgba(255,255,255,.15);
        font-size: 20px;
    }

    .nav-links a::after {
        display: none;
    }

    .event-meta {
        margin-top: 35px;
        font-size: 14px;
    }

    .hero-copy {
        width: min(620px, 82%);
        margin-top: 42px;
        font-size: 13px;
        line-height: 1.36;
        text-align: left;
    }

    .registration-section {
        min-height: 0;
    }

    .registration-inner {
        padding-top: 56px;
        padding-bottom: 65px;
    }

    .footer-inner {
        padding-top: 44px;
        padding-bottom: 44px;
        flex-direction: column;
        align-items: stretch;
    }

    .partner-logos {
        width: 100%;
        max-width: 620px;
    }
}

@media (max-width: 600px) {
    .container {
        width: calc(100% - 32px);
    }

    .hero {
        background-image:
            linear-gradient(rgba(7, 29, 70, .25), rgba(7, 29, 70, .25)),
            url('../images/background.png');
        background-position: 66% center;
    }

    .event-title {
        width: min(250px, calc(100% - 56px));
    }

    .event-meta {
        margin-top: 30px;
        font-size: 13px;
    }

    .hero-copy {
        width: 100%;
        margin-top: 36px;
        font-size: 12.5px;
        line-height: 1.4;
    }

    .hero-copy p {
        margin-bottom: 16px;
    }

    .registration-inner h1 {
        margin-bottom: 30px;
        font-size: 34px;
    }

    .registration-copy {
        font-size: 13px;
        line-height: 1.3;
    }

    .registration-button {
        min-width: 166px;
        height: 44px;
        margin-top: 10px;
    }

    .privacy-note {
        font-size: 10px;
        line-height: 1.25;
    }

    .footer-nav {
        grid-template-columns: 1fr 1fr;
        gap: 34px 28px;
    }

    .footer-nav > div {
        gap: 17px;
    }

    .footer-nav a {
        font-size: 10.5px;
    }

    .partner-logos {
        grid-template-columns: 1fr 1fr;
        gap: 25px 34px;
    }

    .partner-logos img {
        max-height: 50px;
    }
}


/* SUBPAGE PLACEHOLDERS */
.subpage-header {
    background: #fff;
}

.subpage-header-inner {
    min-height: 120px;
    display: grid;
    grid-template-columns: minmax(280px, 365px) 1fr;
    align-items: start;
    gap: 48px;
    padding-top: 56px;
    padding-bottom: 20px;
}

.event-title-blue {
    width: 365px;
}

.subpage-header .site-nav {
    padding-top: 6px;
}

.subpage-header .nav-links a {
    color: #233f8f;
}

.subpage-header .nav-links a::after {
    background: #233f8f;
}

.placeholder-page {
    min-height: 500px;
    padding: 80px 0;
}

.placeholder-page h1 {
    margin: 0 0 20px;
    font-size: 42px;
    font-weight: 400;
    color: #2d4993;
}

.placeholder-page p {
    font-size: 16px;
}

@media (max-width: 900px) {
    .subpage-header-inner {
        min-height: 95px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
    }

    .event-title-blue {
        width: min(310px, calc(100% - 70px));
    }

    .subpage-header .nav-toggle span {
        background: #233f8f;
    }

    .subpage-header .nav-links a {
        color: #fff;
    }

    .placeholder-page {
        padding: 55px 0;
    }
}

@media (max-width: 600px) {
    .event-title-blue {
        width: min(250px, calc(100% - 56px));
    }

    .placeholder-page h1 {
        font-size: 34px;
    }
}