@font-face {
    font-family: 'Oakes Grotesk';
    font-style: normal;
    font-weight: 300;
    font-display: swap;
    src: url('../fonts/oakes/oakes-grotesk-300.woff2') format('woff2');
}

@font-face {
    font-family: 'Oakes Grotesk';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/oakes/oakes-grotesk-400.woff2') format('woff2');
}

@font-face {
    font-family: 'Oakes Grotesk';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('../fonts/oakes/oakes-grotesk-500.woff2') format('woff2');
}

@font-face {
    font-family: 'Oakes Grotesk';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('../fonts/oakes/oakes-grotesk-600.woff2') format('woff2');
}

@font-face {
    font-family: 'Oakes Grotesk';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('../fonts/oakes/oakes-grotesk-700.woff2') format('woff2');
}

:root {
    --c21-gold: #beaf87;
    --c21-gold-dark: #847252;
    --c21-gold-light: #d0c9b5;
    --c21-gold-lighter: #ede8de;
    --c21-black: #252526;
    --c21-near-black: #1c1c1d;
    --c21-white: #ffffff;
    --c21-grey: #666666;
    --c21-cream: #faf7f2;
    --font-sans: 'Oakes Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

button,
input,
select,
textarea {
    font: inherit;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--c21-cream);
    color: var(--c21-black);
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.7;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.site-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 24px;
    background: var(--c21-black);
}

.brand {
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-decoration: none;
}

.brand-mark {
    display: block;
    width: 170px;
    color: var(--c21-gold);
}

.brand-event {
    color: var(--c21-white);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
}

.language-selector select {
    background: var(--c21-near-black);
    color: var(--c21-white);
    border: 1px solid var(--c21-gold);
    border-radius: 6px;
    padding: 8px 10px;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    max-width: 240px;
}

.site-main {
    flex: 1;
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px 64px;
}

.hero {
    text-align: center;
    padding: 64px 0 48px;
}

.hero-compact {
    padding: 48px 0 32px;
}

.hero-kicker {
    margin: 0 0 8px;
    color: var(--c21-grey);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.35em;
    text-transform: uppercase;
}

.hero-forty {
    margin: 0;
    color: var(--c21-gold);
    font-weight: 300;
    font-size: clamp(2.6rem, 8vw, 4.5rem);
    line-height: 1.15;
}

.hero-title {
    margin: 0;
    font-weight: 600;
    font-size: clamp(1.7rem, 5vw, 2.6rem);
    letter-spacing: 0.12em;
    line-height: 1.15;
    text-transform: uppercase;
}

.gold-rule {
    width: 96px;
    height: 3px;
    margin: 24px auto;
    background: var(--c21-gold);
}

.hero-subtitle {
    margin: 0 auto;
    max-width: 620px;
    font-size: 1.05rem;
}

.hero-notice {
    margin: 24px auto 0;
    color: var(--c21-grey);
    font-size: 0.9rem;
}

.section {
    margin: 0 auto 56px;
}

.section-title {
    margin: 0 0 6px;
    font-weight: 600;
    font-size: 1.45rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: center;
}

.section-title::after {
    content: '';
    display: block;
    width: 64px;
    height: 2px;
    margin: 12px auto 20px;
    background: var(--c21-gold);
}

.section-label {
    margin: 0 0 20px;
    text-align: center;
    color: var(--c21-grey);
    font-size: 0.9rem;
    letter-spacing: 0.08em;
}

.section-text {
    max-width: 640px;
    margin: 0 auto 12px;
    text-align: center;
}

.video-section {
    margin-top: 8px;
    margin-bottom: 40px;
}

.video-player {
    display: block;
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    aspect-ratio: 16 / 9;
    background: var(--c21-black);
    border-bottom: 3px solid var(--c21-gold);
}

.video-placeholder {
    aspect-ratio: 16 / 9;
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c21-black);
    border-bottom: 3px solid var(--c21-gold);
    color: var(--c21-gold);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-align: center;
    padding: 0 16px;
}

.card {
    background: var(--c21-white);
    border-top: 3px solid var(--c21-gold);
    box-shadow: 0 12px 24px -8px rgba(37, 37, 38, 0.18);
    border-radius: 0 0 10px 10px;
    padding: 32px;
    margin: 0 auto 32px;
    max-width: 640px;
}

.card-title {
    margin: 0 0 12px;
    font-weight: 600;
    font-size: 1.35rem;
}

.card-text {
    margin: 0 0 24px;
}

.invitation-details {
    margin: 0 0 32px;
    padding: 0;
    display: grid;
    gap: 16px;
}

.invitation-details dt {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--c21-grey);
}

.invitation-details dd {
    margin: 4px 0 0;
    font-size: 1.05rem;
}

.muted {
    color: var(--c21-grey);
    font-size: 0.9rem;
}

.cta-block {
    text-align: center;
}

.button {
    display: inline-block;
    padding: 14px 40px;
    border: none;
    border-radius: 6px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    cursor: pointer;
}

.button-gold {
    background: var(--c21-gold);
    color: var(--c21-black);
}

.button-gold:not(:disabled):hover {
    background: var(--c21-gold-dark);
    color: var(--c21-white);
}

.button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.deadline {
    margin: 12px 0 0;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--c21-gold-dark);
}

.program-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.program-day {
    background: var(--c21-white);
    border-top: 3px solid var(--c21-gold);
    box-shadow: 0 4px 6px -1px rgba(37, 37, 38, 0.1), 0 2px 4px -2px rgba(37, 37, 38, 0.1);
    border-radius: 0 0 10px 10px;
    padding: 22px 24px;
}

.program-day h3 {
    margin: 0 0 12px;
    font-weight: 600;
    font-size: 1rem;
}

.program-day ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 8px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.program-day li {
    padding-inline-start: 14px;
    position: relative;
}

.program-day li::before {
    content: '';
    position: absolute;
    inset-inline-start: 0;
    top: 0.5em;
    width: 6px;
    height: 6px;
    background: var(--c21-gold);
}

.imm-block {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--c21-gold-light);
}

.imm-title {
    margin: 0 0 6px;
    text-align: center;
    font-weight: 600;
    font-size: 1.15rem;
    letter-spacing: 0.25em;
    color: var(--c21-gold-dark);
}

.program-day-imm {
    border-top-color: var(--c21-black);
}

.venue {
    text-align: center;
    font-size: 1.05rem;
    margin: 0 0 24px;
}

.practical-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.practical-item {
    background: var(--c21-white);
    border: 1px solid var(--c21-gold-light);
    border-radius: 10px;
    padding: 18px 20px;
}

.practical-item h3 {
    margin: 0 0 10px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--c21-gold-dark);
}

.practical-item ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 6px;
    font-size: 0.88rem;
    line-height: 1.5;
}

.contact-link {
    color: var(--c21-gold-dark);
}

.site-footer {
    background: var(--c21-black);
    color: var(--c21-gold);
    text-align: center;
    padding: 20px 24px;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
}

@media (max-width: 520px) {
    .site-header {
        justify-content: center;
        text-align: center;
    }

    .brand {
        align-items: center;
    }

    .card {
        padding: 24px 20px;
    }
}