:root {
    --app-header-color: #162949;
    --app-background-color: #b3bdcc;
    --app-button-color: #162949;
    --app-button-text-color: #ffffff;
    --app-clock-card-color: #162949;
    --app-ink: #162033;
    --app-surface: rgba(255, 255, 255, 0.92);
}

body {
    min-height: 100vh;
    background: var(--app-background-color);
    color: var(--app-ink);
}

.app-nav {
    background: var(--app-header-color);
    min-height: 78px;
}

.app-nav > .container {
    min-height: 78px;
}

.app-nav .navbar-collapse {
    align-items: center;
}

.app-nav .nav-link {
    color: rgba(255, 255, 255, 0.82);
    font-weight: 500;
    padding-left: 0.85rem;
    padding-right: 0.85rem;
}

.app-nav .nav-link:hover,
.app-nav .nav-link:focus,
.app-nav .nav-link.active {
    color: #ffffff;
}

.app-user-link {
    color: rgba(255, 255, 255, 0.82);
}

.app-user-link:hover,
.app-user-link:focus {
    color: #ffffff;
}

.brand-mark {
    width: auto;
    height: 52px;
    object-fit: contain;
}

.header-brand-mark {
    width: auto;
    height: auto;
    max-width: 300px;
    max-height: 75px;
    object-fit: contain;
}

.login-brand-mark {
    width: auto;
    height: auto;
    max-width: 300px;
    max-height: 90px;
    object-fit: contain;
}

.brand-mark-dark {
    width: auto;
    height: 38px;
    object-fit: contain;
}

.brand-shell,
.hero-shell {
    background: var(--app-surface);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(22, 41, 73, 0.08);
    box-shadow: 0 24px 60px rgba(22, 41, 73, 0.10);
}

.clock-card {
    background: var(--app-clock-card-color);
    color: #fff;
    box-shadow: 0 20px 40px rgba(15, 28, 51, 0.25);
}

.eyebrow {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: rgba(22, 41, 73, 0.08);
    color: var(--app-header-color);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 700;
}

.feature-list {
    padding-left: 1.1rem;
}

.current-time {
    font-size: clamp(2rem, 6vw, 3.25rem);
    font-weight: 700;
    line-height: 1;
}

.btn-dark {
    --bs-btn-bg: var(--app-button-color);
    --bs-btn-border-color: var(--app-button-color);
    --bs-btn-color: var(--app-button-text-color);
    --bs-btn-hover-bg: #0f1c33;
    --bs-btn-hover-border-color: #0f1c33;
    --bs-btn-hover-color: var(--app-button-text-color);
}

.btn-outline-dark {
    --bs-btn-color: var(--app-button-color);
    --bs-btn-border-color: var(--app-button-color);
    --bs-btn-hover-bg: var(--app-button-color);
    --bs-btn-hover-border-color: var(--app-button-color);
    --bs-btn-hover-color: var(--app-button-text-color);
}

code {
    color: #0f1c33;
}

@media (max-width: 767px) {
    .brand-mark {
        height: 42px;
    }

    .header-brand-mark {
        max-width: 220px;
        max-height: 60px;
    }

    .login-brand-mark {
        max-width: 220px;
        max-height: 72px;
    }

    .brand-mark-dark {
        height: 32px;
    }
}