:root {
    --bg-top: #123fb6;
    --bg-bottom: #09072a;
    --card-border: rgba(255, 255, 255, 0.92);
    --text: #ffffff;
    --yellow: #ffe81f;
    --yellow-strong: #f7cf00;
    --button-text: #05113b;
    --shadow: 0 28px 70px rgba(4, 6, 30, 0.45);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    font-family: 'Montserrat', sans-serif;
    background:
        linear-gradient(180deg, rgba(17, 63, 182, 0.2), rgba(9, 7, 42, 0.82)),
        radial-gradient(circle at 18% 78%, rgba(255, 232, 31, 0.16), transparent 20%),
        radial-gradient(circle at 85% 16%, rgba(255, 255, 255, 0.16), transparent 18%),
        linear-gradient(135deg, var(--bg-top), var(--bg-bottom));
}

a {
    text-decoration: none;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px;
    position: relative;
    overflow: hidden;
}

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    inset: auto;
    border-radius: 999px;
    filter: blur(10px);
    opacity: 0.55;
}

.hero::before {
    width: 320px;
    height: 320px;
    left: -90px;
    bottom: -70px;
    background: rgba(255, 232, 31, 0.12);
}

.hero::after {
    width: 380px;
    height: 380px;
    right: -120px;
    top: -100px;
    background: rgba(97, 133, 255, 0.16);
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(120deg, rgba(255, 255, 255, 0.08) 0%, transparent 42%),
        linear-gradient(300deg, rgba(255, 255, 255, 0.12) 0%, transparent 40%);
    pointer-events: none;
}

.hero__card {
    position: relative;
    z-index: 1;
    width: min(980px, 100%);
    padding: 34px 34px 40px;
    border: 4px solid var(--card-border);
    border-radius: 32px;
    box-shadow: var(--shadow);
    background:
        linear-gradient(180deg, rgba(13, 25, 88, 0.26), rgba(8, 10, 36, 0.58)),
        radial-gradient(circle at 20% 80%, rgba(255, 232, 31, 0.06), transparent 22%),
        radial-gradient(circle at 82% 24%, rgba(123, 159, 255, 0.16), transparent 22%);
    backdrop-filter: blur(4px);
}

.hero__eyebrow {
    margin: 0 0 24px;
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-align: center;
}

.hero__content {
    text-align: center;
}

.hero__label,
.hero__city,
.hero__date,
.hero__material span {
    text-transform: uppercase;
}

.hero__label {
    margin: 0;
    font-family: 'Anton', sans-serif;
    font-size: clamp(3rem, 6vw, 5.4rem);
    line-height: 0.96;
    letter-spacing: 0.015em;
}

.hero__content h1 {
    margin: 0;
    font-family: 'Anton', sans-serif;
    font-size: clamp(3.5rem, 7.2vw, 6.7rem);
    line-height: 0.92;
    letter-spacing: 0.015em;
    text-transform: uppercase;
}

.hero__city {
    margin: 14px 0 0;
    font-family: 'Anton', sans-serif;
    font-size: clamp(2rem, 4vw, 3.8rem);
    line-height: 0.96;
}

.hero__date {
    margin: 6px 0 0;
    font-size: clamp(0.92rem, 1.4vw, 1.18rem);
    font-weight: 800;
    letter-spacing: 0.12em;
}

.hero__material {
    margin-top: 24px;
    display: grid;
    justify-content: center;
    text-align: center;
    color: var(--yellow);
    text-shadow: 0 5px 16px rgba(0, 0, 0, 0.38);
}

.hero__material span {
    font-family: 'Anton', sans-serif;
    font-size: clamp(3.4rem, 7.5vw, 6.2rem);
    line-height: 0.92;
}

.hero__actions {
    margin-top: 26px;
    display: grid;
    justify-items: center;
    gap: 12px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: min(100%, 360px);
    padding: 18px 28px;
    border-radius: 999px;
    background: linear-gradient(180deg, #fff06b 0%, var(--yellow-strong) 100%);
    color: var(--button-text);
    font-size: 0.98rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    box-shadow: 0 14px 30px rgba(247, 207, 0, 0.24);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.cta-button:hover,
.cta-button:focus-visible {
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 22px 48px rgba(247, 207, 0, 0.38);
    filter: saturate(1.05);
}

.hero__hint {
    margin: 0;
    font-size: 0.92rem;
    font-weight: 600;
    text-align: center;
    color: rgba(255, 255, 255, 0.88);
}

@media (max-width: 1024px) {
    .hero {
        min-height: auto;
        padding: 24px;
    }

    .hero__card {
        width: min(860px, 100%);
        padding: 30px 28px 34px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 16px;
    }

    .hero__card {
        padding: 24px 18px 28px;
        border-width: 3px;
        border-radius: 24px;
    }

    .hero__eyebrow {
        font-size: 0.68rem;
        letter-spacing: 0.08em;
        margin-bottom: 18px;
    }

    .hero__material {
        margin-top: 18px;
    }

    .hero__actions {
        margin-top: 20px;
    }

    .cta-button {
        width: 100%;
        min-width: 0;
        padding: 16px 18px;
        font-size: 0.88rem;
    }

    .hero__hint {
        font-size: 0.84rem;
    }
}

@media (max-width: 480px) {
    .hero__label {
        font-size: clamp(2.2rem, 11vw, 3.1rem);
    }

    .hero__content h1 {
        font-size: clamp(2.6rem, 13vw, 3.8rem);
    }

    .hero__city {
        font-size: clamp(1.7rem, 8vw, 2.4rem);
    }

    .hero__date {
        font-size: 0.82rem;
        letter-spacing: 0.08em;
    }

    .hero__material span {
        font-size: clamp(2.5rem, 13vw, 4rem);
    }
}
