/* Buttons */
.btn {
    display: inline-block;
    padding: 1.2rem 2.5rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition-normal);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--text-primary);
    border: 2px solid var(--color-accent);
}

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--text-primary);
    color: var(--bg-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.nav-cta {
    background-color: var(--color-accent);
    color: white !important;
    padding: 0.8rem 2rem;
    border-radius: 8px;
    margin-left: 3rem;
    transition: var(--transition-normal) !important;
}

.nav-cta:hover {
    background-color: var(--color-accent-dark);
    transform: scale(1.05);
}

/* Tabs */
.tab-header {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
    gap: 0;
    border-bottom: 1px solid #ddd;
}

.tab-btn {
    padding: 1.5rem 3rem;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-muted-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    transition: var(--transition-normal);
}

.tab-btn.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

.tab-btn:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.tab-btn.active svg {
    transform: scale(1.2);
}

.tab-content {
    visibility: hidden;
    opacity: 0;
    height: 0;
    overflow: hidden;
    transition: opacity 0.3s ease-out;
}

.tab-content.active {
    visibility: visible;
    opacity: 1;
    height: auto;
    overflow: visible;
}

/* Progress Bars */
.progress-bar {
    width: 100%;
    height: 10px;
    background-color: #e0e0e0;
    border-radius: 5px;
    overflow: hidden;
}

.progress {
    height: 100%;
    background-color: var(--color-accent);
    border-radius: 5px;
    transition: width 1.5s ease-in-out;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #1a1a1a;
    color: #fff;
    padding: 1.2rem 1.8rem;
    border-radius: 12px;
    border-left: 4px solid #2e7d32;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
    font-weight: 600;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 9999;
    animation: fadeInUp 0.4s ease-out;
    max-width: 380px;
}

.toast-close {
    background: none;
    border: none;
    color: #aaa;
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
    padding: 0;
    margin-left: auto;
}

.toast-close:hover {
    color: #fff;
}

.toast-close:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
    border-radius: 2px;
}

/* Cards (Shared Logic if any) */
.cta-card {
    padding: 5rem 2rem;
    border-radius: 15px;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 250px;
}

.cta-card:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 4px;
}