/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-family: var(--font-body);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
    line-height: 1.5;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    border: none;
    box-shadow: 0 4px 15px rgba(20, 121, 255, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(20, 121, 255, 0.4);
    transform: translateY(-2px);
    color: var(--color-white);
}

.btn-outline {
    background: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-outline-light {
    border-color: var(--color-white);
    color: var(--color-white);
}

.btn-outline-light:hover {
    background: var(--color-white);
    color: var(--color-primary);
}

/* Cards */
.card-technical {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card-technical:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(20, 121, 255, 0.3);
}

.card-img-wrapper {
    position: relative;
    overflow: hidden;
    padding-top: 60%;
    /* 5:3 Aspect Ratio */
}

.card-img-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card-technical:hover .card-img-wrapper img {
    transform: scale(1.05);
}

.card-body {
    padding: var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

/* Badges */
.badge-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: 50px;
    background-color: var(--color-bg-light);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

/* Navigation Overrides */
.navbar {
    padding: 1rem 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 0.5rem 0;
}

.nav-link {
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: 0;
    left: 50%;
    background-color: var(--color-secondary);
    transition: all var(--transition-fast);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 40%;
}

.nav-link.active::after {
    width: 70%;
}

/* Forms */
.form-control {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(20, 121, 255, 0.1);
}

/* Arrow micro-interaction */
.arrow-icon {
    display: inline-block;
    transition: transform var(--transition-fast);
}

.btn:hover .arrow-icon,
a:hover .arrow-icon {
    transform: translateX(4px);
}