/* ==================================== 
   17. RESPONSIVE DESIGN
   ==================================== */

/* Tablets and below (1024px) */
@media (max-width: 1024px) {
    h1 { font-size: 3.5rem; }
    h2 { font-size: 3rem; }
    h3 { font-size: 2rem; }

    nav { padding: 0 2rem; }

    .hero-content { padding: 0 1.5rem; }

    .hero-visual-cluster {
        right: 2%;
        width: min(40vw, 420px);
    }

    .stats-container,
    .services-grid,
    .testimonials-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-story-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-story-visual,
    .mission-visual {
        margin-bottom: 1.5rem;
    }

    .why-choose-intro {
        grid-template-columns: 1fr;
    }

    .why-visual-frame {
        margin-top: 1.5rem;
    }

    .services-intro {
        grid-template-columns: 1fr;
    }

    .services-feature-visual {
        margin-bottom: 1.5rem;
    }

    .pathways-grid,
    .deliverables-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .coverage-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .audience-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .values-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .about-description {
        max-width: none;
    }
}

/* Mobile devices (768px) */
@media (max-width: 768px) {
    html { font-size: 14px; }

    h1 { font-size: 2.5rem; letter-spacing: -1px; }
    h2 { font-size: 2.2rem; }
    h3 { font-size: 1.8rem; }

    .hero { min-height: 80vh; padding: 6rem 1rem 3rem; }
    .hero-subtitle { font-size: 1.2rem; }

    .hero-visual-cluster {
        position: relative;
        right: auto;
        bottom: auto;
        width: min(100%, 440px);
        margin: 2rem auto 0;
    }

    .hero-visual-card--side {
        right: -3%;
        bottom: -1rem;
    }

    .btn {
        padding: 1rem 2.5rem;
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn { width: 100%; }

    .hero-kicker {
        letter-spacing: 0.1em;
        font-size: 0.75rem;
    }

    .hero-highlights {
        justify-content: flex-start;
    }

    .hero-highlights span {
        font-size: 0.88rem;
    }

    section { padding: 5rem 1.5rem; }

    .section-title { font-size: 2.5rem; }
    .section-description { font-size: 1.1rem; }

    .services-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .about-highlights {
        gap: 1rem;
    }

    .highlight-item {
        grid-template-columns: 56px minmax(0, 1fr);
        padding: 1.1rem 1.2rem;
    }

    .highlight-icon {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
    }

    .about-stats-visual {
        grid-template-columns: 1fr;
    }

    .about-story-visual,
    .mission-visual,
    .testimonials-visual {
        padding: 0.75rem;
    }

    .services-feature-visual,
    .service-card-visual {
        padding: 0.75rem;
    }

    .why-visual-frame {
        padding: 0.75rem;
    }

    .marquee-track span {
        font-size: 0.82rem;
    }

    .mission-statement {
        font-size: 1.28rem;
    }

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

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

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

    .pathways-grid,
    .deliverables-grid {
        grid-template-columns: 1fr;
    }

    .coverage-grid,
    .pharma-services-grid {
        grid-template-columns: 1fr;
    }

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

    .solutions-metrics-grid,
    .solutions-case-meta,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .services-intro-copy h3 {
        max-width: none;
    }

    .visual-stat:first-child {
        grid-column: auto;
    }

    .stat-circle {
        min-height: 180px;
    }

    .service-card,
    .testimonial-card {
        padding: 2rem;
    }

    .about-story-panel,
    .mission-card {
        padding: 2rem;
    }

    .why-choose-proof {
        padding: 1.75rem;
    }

    .services-intro-panel {
        padding: 1.75rem;
    }

    .pathway-card,
    .case-study-card,
    .classifications-card,
    .solutions-case-card {
        padding: 2rem;
    }

    .contact-form-card,
    .contact-office-card {
        padding: 2rem;
    }

    .nav-links { display: none; }
    .mobile-menu-toggle { display: flex; }

    .glass-cta { padding: 3rem 2rem; }

    .glass-cta h3 { font-size: 2rem; }

    .cta-section .cta-content {
        padding: 2.75rem 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .form-row { grid-template-columns: 1fr; }

    .stat-number { font-size: 3rem; }
}

/* Small mobile (480px) */
@media (max-width: 480px) {
    h1 { font-size: 2rem; }

    nav { padding: 0 1rem; }

    .logo-img { height: 28px; }

    .container { padding: 0 1rem; }

    .service-card,
    .testimonial-card,
    .stat-card {
        padding: 1.5rem;
    }

    .highlight-item {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .about-story-point {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .why-choose-copy h3 {
        max-width: none;
    }

    .highlight-icon {
        width: 52px;
        height: 52px;
    }

    .contact-coverage-grid {
        flex-direction: column;
        align-items: stretch;
    }

    .contact-coverage-card {
        min-width: 0;
    }

    .hero-highlights {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-visual-card--side {
        width: 55%;
    }
}

/* ====================================
   DROPDOWN (keep here or move to header.css - optional)
   ==================================== */
.dropdown { position: relative; }

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 1rem 0;
    min-width: 250px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    list-style: none;
    margin: 0;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li { padding: 0; margin: 0; }

.dropdown-menu a {
    display: block;
    padding: 0.8rem 1.5rem;
    color: var(--gray-800);
    text-decoration: none;
    transition: all 0.2s ease;
    font-weight: 500;
}

.dropdown-menu a:hover {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

/* Flash Messages animations (keep) */
@keyframes slideInRight {
    from { transform: translateX(400px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOutRight {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(400px); opacity: 0; }
}