/* ========== BUTTONS ========== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.3s ease;
    font-weight: 600;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    box-shadow: 0 8px 20px rgba(99,102,241,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(99,102,241,0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--light-text);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-sm {
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
}

.btn-block {
    width: 100%;
    text-align: center;
    margin-top: auto;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    min-height: 50px;
}

/* ========== FORM ELEMENTS ========== */
form {
    display: flex;
    flex-direction: column;
    max-width: 500px;
    margin: 0 auto;
}

input, textarea {
    padding: 1rem;
    margin-bottom: 1rem;
    border: 2px solid #333;
    border-radius: 8px;
    background-color: #1a1a1a;
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
}

select {
    padding: 1rem;
    margin-bottom: 1rem;
    border: 2px solid #333;
    border-radius: 8px;
    background-color: #1a1a1a;
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

select option {
    background-color: #1a1a1a;
    color: #999;
    padding: 0.5rem;
}

select option:first-child {
    color: #999;
}

select option:not(:first-child) {
    color: #fff;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: #fff;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
    background-color: #222;
}

button {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

button:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

button:active {
    transform: translateY(0);
}

/* ========== CARDS ========== */
.benefit-card, .process-step, .testimonial, .pricing-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    padding: 1.25rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.benefit-card:hover, .process-step:hover, .testimonial:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(0,0,0,0.25);
}

.benefit-card h3, .process-step h3 {
    margin-bottom: 0.5rem;
}

.testimonial span {
    display: block;
    margin-top: 0.75rem;
    color: rgba(255,255,255,0.75);
}

/* ========== SKILL TAGS ========== */
.skills {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.skill {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 0.75rem 1.5rem;
    margin: 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    font-weight: bold;
    color: #fff;
}

.skill:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
    border-color: var(--accent-color);
}

/* ========== GRIDS ========== */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.clients-logos {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    align-items: center;
}

.clients-logos img {
    max-height: 48px;
    width: auto;
    opacity: 0.85;
    filter: grayscale(100%);
    transition: opacity 0.2s ease, filter 0.2s ease;
}

.clients-logos img:hover {
    opacity: 1;
    filter: grayscale(0%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project {
    background: linear-gradient(135deg, #1e293b, #334155);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-color);
    cursor: pointer;
}

.project:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(99, 102, 241, 0.3);
    border-color: var(--accent-color);
}

.project img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1rem;
}

/* ========== RESPONSIVE GRIDS ========== */
@media (max-width: 1024px) {
    .benefits-grid { grid-template-columns: repeat(2, 1fr); }
    .process-steps { grid-template-columns: repeat(2, 1fr); }
    .clients-logos { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .benefits-grid, .process-steps, .clients-logos, .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    .benefit-card, .process-step, .testimonial {
        padding: 1.25rem;
    }
    
    .btn {
        padding: 0.7rem 1.5rem;
        font-size: 0.95rem;
        min-height: 44px;
    }
}

@media (max-width: 640px) {
    .benefits-grid, .process-steps, .clients-logos, .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .benefit-card, .process-step, .testimonial {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .benefit-card, .process-step, .testimonial {
        padding: 0.9rem;
    }
    
    .btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.9rem;
        min-height: 40px;
    }
    
    input, textarea, select {
        font-size: 16px;
        padding: 0.65rem;
    }
}