/* Layout & Grid System */
.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 2rem;
}

.two-column > * {
    animation: fadeInUp 0.6s ease backwards;
}

.two-column > *:nth-child(1) {
    animation-delay: 0s;
}

.two-column > *:nth-child(2) {
    animation-delay: 0.2s;
}

.three-column {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.three-column > * {
    animation: fadeInUp 0.6s ease backwards;
}

.four-column {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.four-column > * {
    animation: fadeInUp 0.6s ease backwards;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.services-grid > * {
    animation: fadeInUp 0.6s ease backwards;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.team-grid > * {
    animation: fadeInUp 0.6s ease backwards;
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.case-studies-grid > * {
    animation: fadeInUp 0.6s ease backwards;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-grid > * {
    animation: fadeInUp 0.6s ease backwards;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.pricing-grid > * {
    animation: fadeInUp 0.6s ease backwards;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.stats-grid > * {
    animation: fadeInUp 0.6s ease backwards;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

/* ===============================
   PROCESS STEPS – ADVANCED STYLE
================================ */

.process-steps {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

/* Animated vertical line */
.process-steps::before {
    content: "";
    position: absolute;
    top: 60px;
    left: 50%;
    width: 3px;
    height: calc(100% - 120px);
    background: linear-gradient(
        to bottom,
        transparent,
        #3b82f6,
        transparent
    );
    transform: translateX(-50%);
    opacity: 0.2;
}
.tabs {
    margin-bottom: 3rem;
}

.tab-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-color);
    background: #fff;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-weight: 500;
}

.tab-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--primary-color), #1d4ed8);
    color: #fff;
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.accordion {
    margin-bottom: 2rem;
}

.accordion-item {
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition-smooth);
    animation: fadeInUp 0.6s ease backwards;
}

.accordion-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.accordion-header {
    width: 100%;
    padding: 1.5rem;
    background: linear-gradient(135deg, #fff 0%, #f8fafc 100%);
    text-align: left;
    font-size: 1.1rem;
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    cursor: pointer;
}

.accordion-header:hover {
    background: linear-gradient(135deg, var(--light-bg) 0%, #f1f5f9 100%);
}

.accordion-item.active .accordion-header {
    background: linear-gradient(135deg, var(--primary-color), #1d4ed8);
    color: #fff;
}

.accordion-content {
    padding: 0 1.5rem 1.5rem;
    display: none;
    color: var(--text-light);
    line-height: 1.8;
}

.accordion-item.active .accordion-content {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.arrow-icon {
    transition: var(--transition);
    font-size: 1.2rem;
}

.accordion-item.active .arrow-icon {
    transform: rotate(180deg);
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .two-column {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .three-column,
    .four-column {
        grid-template-columns: repeat(2, 1fr);
    }

    .tab-buttons {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
    }

    .accordion-header {
        padding: 1.25rem;
        font-size: 1rem;
    }

    .accordion-content {
        padding: 0 1.25rem 1.25rem;
    }
}

@media (max-width: 480px) {
    .three-column,
    .four-column,
    .services-grid,
    .team-grid,
    .case-studies-grid,
    .blog-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .two-column {
        gap: 1.5rem;
    }

    .accordion-header {
        padding: 1rem;
        font-size: 0.95rem;
    }

    .accordion-content {
        padding: 0 1rem 1rem;
        font-size: 0.95rem;
    }
}