* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #eef2ff;
    background: linear-gradient(180deg, rgba(20, 54, 98, 0.95), rgba(11, 20, 37, 0.98)),
        url('image.html/background.png') center/cover no-repeat;
    background-attachment: fixed;
}

.page-shell {
    min-height: 100vh;
    background: rgba(3, 12, 27, 0.48);
    backdrop-filter: blur(12px);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 24px 60px;
}

.page-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 24px 24px 0;
}

.brand span {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.brand small {
    display: block;
    color: #b6d4ff;
    margin-top: 4px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.main-nav {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.16);
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.nav-link img {
    width: 32px;
    height: auto;
}

.hero {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 32px;
    align-items: center;
    margin-top: 36px;
}

.hero-copy {
    max-width: 620px;
}

.eyebrow {
    margin: 0 0 16px;
    color: #96c8ff;
    text-transform: uppercase;
    letter-spacing: 0.24em;
    font-size: 0.82rem;
}

.hero h1 {
    margin: 0;
    font-size: clamp(2.4rem, 4vw, 4.2rem);
    line-height: 1.05;
}

.hero p,
.about-list,
.contact-list {
    margin: 18px 0 0;
    line-height: 1.8;
    color: #dfe9ff;
}

.about-list,
.content-grid {
    list-style: none;
    padding: 0;
    margin: 0;
}

.about-list li {
    margin: 10px 0;
    padding-left: 18px;
    position: relative;
}

.about-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #7cc2ff;
}

.hero-image {
    width: 100%;
    display: block;
    border-radius: 28px;
    box-shadow: 0 26px 60px rgba(0, 0, 0, 0.33);
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 36px;
}

.card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 24px;
    padding: 28px;
    box-shadow: 0 22px 50px rgba(0, 0, 0, 0.18);
}

.card h2,
.card h3 {
    margin-top: 0;
    margin-bottom: 14px;
    color: #f4f8ff;
}

.media-panel {
    margin-top: 42px;
}

.media-panel h2 {
    margin-bottom: 18px;
    font-size: 1.5rem;
}

.media-card,
audio {
    width: 100%;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: 0 18px 46px rgba(0, 0, 0, 0.2);
}

.video,
audio {
    display: block;
}

.contact-list p {
    margin: 12px 0;
}

.contact-list strong {
    color: #ffffff;
}

@media (max-width: 900px) {
    .hero,
    .content-grid {
        grid-template-columns: 1fr;
    }

    .page-header {
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .page-header {
        padding: 18px 18px 0;
    }

    .container {
        padding: 24px 18px 48px;
    }

    .nav-link {
        width: 48px;
        height: 48px;
    }
}