/* Explain: Premium business cards, smart forms, and refined buttons */
.btn-clay {
    border: 1px solid var(--primary-color);
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 10px 20px rgba(11, 43, 77, 0.25);
    transition: transform 250ms ease, box-shadow 250ms ease, background 250ms ease;
}

.btn-clay:hover {
    background: var(--primary-hover);
    box-shadow: 0 12px 24px rgba(11, 43, 77, 0.35);
    transform: translateY(-2px);
}

.btn-accent {
    border: 1px solid var(--accent-color);
    background: var(--accent-color);
    color: #ffffff;
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.25);
    transition: transform 250ms ease, box-shadow 250ms ease, background 250ms ease;
}

.btn-accent:hover {
    background: #bfa035;
    box-shadow: 0 12px 24px rgba(212, 175, 55, 0.35);
    transform: translateY(-2px);
}

.btn-quiet {
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    transition: background 250ms ease, transform 250ms ease, border-color 250ms ease;
}

.btn-quiet:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
}

.arch-frame {
    border-radius: var(--radius-arch);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.presentation-card {
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    box-shadow: var(--shadow-paper);
}

.service-card {
    border: 1px solid transparent;
    background: var(--surface-color);
    transition: transform 300ms ease, box-shadow 300ms ease, border-color 300ms ease;
}

.service-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-soft);
    transform: translateY(-5px);
}

.inquiry-field {
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    color: var(--text-color);
    transition: border-color 250ms ease, box-shadow 250ms ease;
}

.inquiry-field:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.15);
    outline: none;
}