/* Explain: App-specific component classes (add as needed) */
.logo-mark {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #0a1120;
    font-size: 18px;
    box-shadow: 0 8px 20px -8px var(--primary-color);
}

.nav-link {
    display: inline-block;
    padding: 0.5rem 0.85rem;
    border-radius: 10px;
    color: var(--text-muted);
    font-weight: 500;
    transition: color .2s, background-color .2s;
}

.nav-link:hover {
    color: var(--text-color);
    background: var(--surface-2);
}

.icon-btn {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    color: var(--text-color);
    cursor: pointer;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .4rem .85rem;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: rgba(255, 106, 43, 0.10);
    color: var(--primary-color);
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.btn-heat {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    padding: .85rem 1.5rem;
    min-height: 48px;
    border-radius: 12px;
    border: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #0a1120;
    font-weight: 700;
    cursor: pointer;
    transition: transform .2s, filter .2s;
    box-shadow: 0 16px 32px -16px var(--primary-color);
}

.btn-heat:hover {
    transform: translateY(-2px);
    filter: brightness(1.06);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    padding: .85rem 1.5rem;
    min-height: 48px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-color);
    font-weight: 600;
    cursor: pointer;
    transition: background-color .2s, border-color .2s;
}

.btn-outline:hover {
    background: var(--surface-2);
    border-color: var(--secondary-color);
}

.text-heat {
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.card-thermal {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-card);
    padding: 1.5rem;
    transition: transform .25s, border-color .25s, box-shadow .25s;
}

.card-thermal:hover {
    transform: translateY(-4px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-card);
}

.find-icon {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(56, 189, 248, 0.12);
    color: var(--secondary-color);
    font-size: 20px;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: clamp(1.9rem, 5vw, 2.7rem);
    line-height: 1;
    font-weight: 700;
    color: var(--text-color);
}

.step-num {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--surface-2);
    border: 1px solid var(--border-color);
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-color);
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: var(--surface-color);
    overflow: hidden;
}

.faq-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.1rem 1.25rem;
    background: transparent;
    border: 0;
    color: var(--text-color);
    font-weight: 600;
    font-size: 1rem;
    text-align: left;
    cursor: pointer;
}

.faq-chevron {
    transition: transform .25s;
    color: var(--primary-color);
    flex-shrink: 0;
}

.faq-item.open .faq-chevron {
    transform: rotate(180deg);
}

.faq-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
}

.faq-panel-inner {
    padding: 0 1.25rem 1.25rem;
    color: var(--text-muted);
}

.form-field label {
    display: block;
    margin-bottom: .4rem;
    font-size: .875rem;
    font-weight: 600;
    color: var(--text-muted);
}

.field-input {
    width: 100%;
    padding: .75rem .9rem;
    min-height: 46px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--background-color);
    color: var(--text-color);
    transition: border-color .2s, box-shadow .2s;
}

.field-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 106, 43, 0.20);
}

.field-input::placeholder {
    color: var(--text-muted);
    opacity: .6;
}

.form-status {
    min-height: 1.25rem;
    margin-top: .85rem;
    font-size: .9rem;
    color: var(--text-muted);
}

.form-status.success {
    color: #4ade80;
}

.form-status.error {
    color: #f87171;
}