:root {
    --navy: #0f2d4d;
    --navy-deep: #0a233b;
    --blue: #1a6db2;
    --orange: #f28c28;
    --orange-soft: #fff4e7;
    --text: #1d2a38;
    --muted: #5f6f7f;
    --bg: #f3f6f9;
    --panel: #ffffff;
    --line: #dfe8ef;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

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

.container { width: min(1100px, calc(100% - 32px)); margin: 0 auto; }

.topbar {
    background: var(--navy);
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 84px;
    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
    font-weight: 700;
}

.brand-logo {
    display: block;
    width: 184px;
    height: auto;
    max-height: 56px;
    object-fit: contain;
}

.brand-name { display: block; font-size: 1.1rem; }

.brand-sub {
    display: block;
    font-size: 0.72rem;
    color: rgba(255,255,255,0.72);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.nav {
    display: flex;
    align-items: center;
    gap: 20px;
    color: rgba(255,255,255,0.8);
    font-size: 0.95rem;
}

.nav a:hover { color: #fff; }

.main { padding: 40px 0 80px; }

.section {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 32px 30px;
    box-shadow: 0 12px 28px rgba(15,45,77,0.04);
}

.section-title {
    margin: 0 0 12px;
    color: var(--navy-deep);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.section-subtitle {
    margin: 0 0 22px;
    color: var(--muted);
    font-size: 1.02rem;
}

.choice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.choice-card {
    display: block;
    background: linear-gradient(180deg, #fff 0%, #f8fbff 100%);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 24px 22px;
    box-shadow: 0 8px 18px rgba(15,45,77,0.03);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.choice-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(15,45,77,0.08);
}

.choice-card h3 {
    margin: 0 0 10px;
    color: var(--navy-deep);
    font-size: 1.25rem;
}

.choice-card p { margin: 0; color: var(--muted); }

.content-stack { display: grid; gap: 22px; }

.text-block h3 {
    margin: 0 0 10px;
    font-size: 1.3rem;
    color: var(--navy-deep);
}

.text-block h2 {
    color: var(--navy-deep);
}

.section-note {
    color: var(--muted);
    font-size: 0.75em;
    font-weight: 600;
}

.text-block p,
.text-block li {
    color: var(--text);
    font-size: 1rem;
}

ul {
    margin: 10px 0 0 20px;
    padding: 0;
}

li + li { margin-top: 6px; }

blockquote {
    margin: 18px 0 0;
    padding: 18px 20px;
    background: var(--orange-soft);
    border-left: 5px solid var(--orange);
    border-radius: 14px;
    color: #4b3a21;
    font-style: italic;
}

.info-panel {
    margin: 18px 0 22px;
    padding: 20px 22px;
    background: #eef6fd;
    border: 2px solid var(--blue);
    border-radius: 16px;
}

.info-panel p {
    margin: 0 0 8px;
}

.info-label {
    color: var(--navy-deep);
    font-size: 1.15rem;
    font-weight: 800;
}

.info-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
    padding: 12px 17px;
    background: var(--blue);
    border-radius: 10px;
    color: #fff;
    font-weight: 800;
    box-shadow: 0 5px 12px rgba(26, 109, 178, 0.22);
    transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.info-button:hover {
    background: #155b94;
    box-shadow: 0 8px 16px rgba(26, 109, 178, 0.28);
    transform: translateY(-1px);
}

.submission-panel {
    margin-top: 30px;
    padding: 24px;
    background: var(--orange-soft);
    border: 2px solid var(--orange);
    border-radius: 16px;
}

.submission-panel p {
    margin: 0 0 8px;
}

.submission-label {
    color: var(--navy-deep);
    font-size: 1.2rem;
    font-weight: 800;
}

.submission-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 12px;
    padding: 13px 18px;
    background: var(--orange);
    border-radius: 10px;
    color: var(--navy-deep);
    font-weight: 800;
    box-shadow: 0 5px 12px rgba(242, 140, 40, 0.25);
    transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.submission-button:hover {
    background: #ffab42;
    box-shadow: 0 8px 16px rgba(242, 140, 40, 0.3);
    transform: translateY(-1px);
}

.back-link {
    display: inline-block;
    margin-top: 18px;
    color: var(--blue);
    font-weight: 700;
}

@media (max-width: 640px) {
    .topbar-inner {
        flex-wrap: wrap;
        justify-content: center;
        padding: 16px 0;
    }

    .nav {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .section { padding: 24px 18px; }
}