/* ========================================
   RESPONSIVE STYLES
   ======================================== */

/* Tablet Screens (768px and below) */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    /* Navigation */
    .nav-menu {
        gap: 1rem;
    }

    .nav-link {
        font-size: 0.9rem;
    }

    /* Hero Section */
    .hero {
        grid-template-columns: 1fr;
        padding: 3rem 0;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    /* Grids */
    .problem-grid,
    .solution-grid,
    .pricing-grid,
    .testimonials-grid,
    .metrics-grid,
    .results-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: scale(1);
    }

    /* Process Flow */
    .process-flow {
        grid-template-columns: 1fr;
    }

    .process-arrow {
        transform: rotate(90deg);
        margin: 0.5rem 0;
    }

    /* Contact Grid */
    .contact-grid {
        grid-template-columns: 1fr;
    }

    /* Page Header */
    .page-header {
        padding: 2rem 0;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .page-header p {
        font-size: 1rem;
    }

    /* Sections */
    .problem-section,
    .solution-section,
    .benefits-section,
    .how-it-works,
    .cta-section {
        padding: 2rem 0;
    }

    /* Service Details */
    .service-detail {
        padding: 1.5rem;
    }

    /* Case Studies */
    .case-study {
        padding: 1.5rem;
    }

    /* Industries Grid */
    .industries-grid {
        grid-template-columns: 1fr;
    }

    /* Why Choose Us */
    .why-grid {
        grid-template-columns: 1fr;
    }

    /* Included Section */
    .included-grid {
        grid-template-columns: 1fr;
    }

    /* ROI Example */
    .roi-example {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Pricing FAQ */
    .faq-grid {
        grid-template-columns: 1fr;
    }

    /* How It Works Detailed */
    .how-it-works-detailed {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* Mobile Screens (480px and below) */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.1rem;
    }

    h4 {
        font-size: 1rem;
    }

    /* Navigation */
    .nav-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background-color: white;
        padding: 1rem;
        gap: 0.5rem;
        box-shadow: var(--shadow-md);
    }

    .nav-menu.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .nav-link {
        padding: 0.5rem 0;
    }

    .cta-button {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    /* Hero Section */
    .hero {
        padding: 2rem 0;
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    /* Buttons */
    .btn {
        padding: 0.65rem 1rem;
        font-size: 0.9rem;
    }

    .btn-large {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }

    /* Cards */
    .problem-card,
    .solution-card,
    .pricing-card,
    .testimonial-card,
    .metric {
        padding: 1.5rem;
    }

    .pricing-header {
        padding: 1.5rem;
    }

    .pricing-body {
        padding: 1.5rem;
    }

    /* Price Display */
    .price {
        flex-direction: column;
        gap: 0.25rem;
    }

    .currency {
        font-size: 1rem;
    }

    .amount {
        font-size: 2rem;
    }

    /* Process Flow */
    .process-step {
        padding: 1.5rem;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    /* Contact Form */
    .contact-form {
        padding: 1.5rem;
    }

    .form-group {
        margin-bottom: 1rem;
    }

    /* Case Studies */
    .case-study {
        padding: 1rem;
    }

    .results-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .result-item {
        padding: 0.75rem;
    }

    .result-metric {
        font-size: 1.25rem;
    }

    .result-label {
        font-size: 0.75rem;
    }

    /* ROI Example */
    .roi-example {
        grid-template-columns: 1fr;
    }

    .roi-item {
        padding: 1rem;
    }

    /* FAQ */
    .faq-question {
        padding: 1rem;
        font-size: 1rem;
    }

    .faq-answer.active {
        padding: 1rem;
    }

    /* Testimonials */
    .testimonial-card {
        padding: 1.5rem;
    }

    .testimonial-text {
        font-size: 0.95rem;
    }

    /* Metrics */
    .metric-number {
        font-size: 2rem;
    }

    .metric-label {
        font-size: 0.85rem;
    }

    /* CTA Sections */
    .cta-section,
    .pricing-cta,
    .case-studies-cta,
    .contact-faq-cta {
        padding: 2rem 0;
    }

    .cta-section h2,
    .pricing-cta h2,
    .case-studies-cta h2,
    .contact-faq-cta h2 {
        font-size: 1.5rem;
    }

    /* Footer */
    .footer {
        padding: 2rem 0 1rem;
    }

    .footer-section h4 {
        font-size: 1rem;
    }

    .footer-section p,
    .footer-section a {
        font-size: 0.9rem;
    }

    /* Why Choose Us */
    .why-item {
        padding: 1rem;
    }

    .why-icon {
        font-size: 2rem;
    }

    /* Service Details */
    .service-detail {
        padding: 1rem;
    }

    /* Industries Grid */
    .industry-card {
        padding: 1rem;
    }

    .industry-card h4 {
        font-size: 1rem;
    }

    /* Contact Info */
    .contact-info-section {
        padding: 1.5rem;
    }

    .contact-info-item {
        margin-bottom: 1.5rem;
    }

    /* Checkbox Group */
    .checkbox-group {
        gap: 0.75rem;
    }

    .checkbox-label {
        font-size: 0.95rem;
    }

    /* Pricing Intro */
    .pricing-intro {
        margin-bottom: 2rem;
    }

    .pricing-intro p {
        font-size: 0.95rem;
    }

    /* Included Items */
    .included-item {
        padding: 1rem;
    }

    .included-item h4 {
        font-size: 1rem;
    }

    /* Section Subtitle */
    .section-subtitle {
        font-size: 1.1rem;
    }

    /* Hero Image */
    .hero-placeholder {
        max-width: 300px;
    }

    /* Page Header */
    .page-header {
        padding: 1.5rem 0;
    }

    .page-header h1 {
        font-size: 1.5rem;
    }

    .page-header p {
        font-size: 0.95rem;
    }
}

/* Extra Small Screens (320px and below) */
@media (max-width: 320px) {
    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.25rem;
    }

    h3 {
        font-size: 1rem;
    }

    .container {
        padding: 0 10px;
    }

    .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .hero-description {
        font-size: 0.9rem;
    }

    .price {
        gap: 0.1rem;
    }

    .amount {
        font-size: 1.75rem;
    }

    .results-grid {
        grid-template-columns: 1fr;
    }

    .roi-item {
        padding: 0.75rem;
    }

    .metric-number {
        font-size: 1.75rem;
    }

    .nav-link {
        font-size: 0.85rem;
    }

    .cta-section h2,
    .pricing-cta h2,
    .case-studies-cta h2,
    .contact-faq-cta h2 {
        font-size: 1.25rem;
    }
}