/**
 * Responsive Styles for Nasir Aminu Portfolio
 * Mobile-first responsive design
 */

/* Tablet and below (< 1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 24px;
    }

    .header-container {
        padding: 0 24px;
    }
}

/* Tablet and Mobile (< 768px) */
@media (max-width: 768px) {

    /* Typography */
    h1 {
        font-size: 36px !important;
    }

    h2 {
        font-size: 28px !important;
    }

    h3 {
        font-size: 20px !important;
    }

    /* Container */
    .container {
        padding: 0 16px;
    }

    /* Header */
    .header-container {
        padding: 0 16px;
    }

    /* Hide nav links by default on mobile - hamburger toggles them */
    .nav-menu {
        display: none !important;
    }

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

    .mobile-menu-toggle {
        display: block !important;
    }

    /* Hero Section */
    .hero {
        padding: 60px 0 !important;
        min-height: 400px !important;
    }

    .hero h1 {
        font-size: 32px !important;
    }

    .hero-subtitle {
        font-size: 14px !important;
    }

    .hero p {
        font-size: 16px !important;
    }

    /* About Page - Biography Section */
    .about-hero h1 {
        font-size: 36px !important;
    }

    .about-hero p {
        font-size: 16px !important;
    }

    /* Two-column layouts - stack on mobile */
    .about-section>div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
    }

    .about-section>div>div[style*="position: sticky"] {
        position: static !important;
    }

    .about-section>div>div img {
        max-width: 100%;
        margin: 0 auto;
        display: block;
    }

    /* Education and Experience Cards */
    .education-item,
    .experience-item {
        padding: 16px !important;
    }

    .education-item h3,
    .experience-item h3 {
        font-size: 18px !important;
    }

    /* Expertise Grid */
    .expertise-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }

    .expertise-card {
        padding: 24px !important;
    }

    /* Projects Grid */
    .projects-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    /* Publications Grid */
    .publications-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    /* Blog Grid */
    .blog-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    /* Contact Page */
    .contact-grid {
        grid-template-columns: 1fr !important;
        gap: 32px !important;
    }

    .contact-info-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }

    /* Stats Section */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px !important;
    }

    .stat-card {
        padding: 20px !important;
    }

    .stat-number {
        font-size: 32px !important;
    }

    /* Research Interests */
    .interests-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr !important;
        gap: 32px !important;
        text-align: center;
    }

    .footer-section {
        text-align: center;
    }

    /* Buttons */
    .btn {
        padding: 12px 24px !important;
        font-size: 14px !important;
    }

    /* Cards */
    .card {
        padding: 20px !important;
    }

    /* Tables - make scrollable */
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    /* Admin Dashboard - make sidebar collapsible */
    .admin-layout {
        grid-template-columns: 1fr !important;
    }

    .admin-sidebar {
        position: fixed;
        left: -250px;
        top: 0;
        height: 100vh;
        z-index: 1000;
        transition: left 0.3s;
    }

    .admin-sidebar.active {
        left: 0;
    }
}

/* Mobile Only (< 480px) */
@media (max-width: 480px) {

    /* Further reduce font sizes */
    h1 {
        font-size: 28px !important;
    }

    h2 {
        font-size: 24px !important;
    }

    /* Hero */
    .hero {
        padding: 40px 0 !important;
        min-height: 350px !important;
    }

    .hero h1 {
        font-size: 24px !important;
    }

    /* Stats - single column on very small screens */
    .stats-grid {
        grid-template-columns: 1fr !important;
    }

    /* Reduce padding */
    .container {
        padding: 0 12px;
    }

    section {
        padding: 40px 0 !important;
    }

    /* Cards */
    .card {
        padding: 16px !important;
    }

    /* Buttons */
    .btn {
        width: 100%;
        text-align: center;
    }
}

/* Landscape Mobile (max-height: 500px and orientation: landscape) */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: 300px !important;
        padding: 30px 0 !important;
    }
}

/* Print Styles */
@media print {

    header,
    footer,
    .mobile-menu-toggle,
    .btn {
        display: none;
    }

    body {
        font-size: 12pt;
    }

    a {
        text-decoration: underline;
    }
}