/* ABOUTME: Responsive design fixes for aceengineer.com
   ABOUTME: Mobile-first responsive styles for Bootstrap 3.x site */

/* ============================================
   Mobile First Base Styles (< 768px)
   ============================================ */

/* Logo SVG fixes - uses viewBox for proper scaling */
.navbar-brand-link {
    display: inline-block;
    padding: 8px 0;
    max-width: 100%;
}

.navbar-logo {
    width: 100px;
    height: auto;
    display: block;
}

/* Improve touch targets for navigation */
.navbar-nav > li > a {
    padding: 15px 15px;
    min-height: 48px;
    line-height: 18px;
}

/* Ensure navbar-toggle is touch-friendly */
.navbar-toggle {
    padding: 12px 12px;
    margin-top: 8px;
    margin-bottom: 8px;
}

/* Responsive tables */
.table-responsive-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.comparison-table,
.table-results {
    min-width: 500px;
}

/* Blog post cards - stack on mobile */
.blog-post {
    margin-bottom: 25px;
    padding: 15px;
}

.blog-post h3 {
    font-size: 1.3em;
    line-height: 1.3;
}

.blog-meta {
    font-size: 0.85em;
    line-height: 1.5;
}

/* Case study metrics - stack on small screens */
.metrics-row {
    flex-direction: column;
    align-items: center;
    padding: 20px 15px;
}

.metric-box {
    width: 100%;
    max-width: 200px;
    margin-bottom: 15px;
    padding: 15px;
}

.metric-value {
    font-size: 2.2em;
}

.case-study-metrics {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.case-study-metrics .metric {
    width: 100%;
    text-align: left;
    padding: 10px;
}

/* Case study header responsive */
.case-study-header {
    padding: 30px 0;
}

.case-study-header h1 {
    font-size: 1.6em;
    line-height: 1.2;
}

.case-study-meta {
    font-size: 0.9em;
    line-height: 1.6;
}

/* Compliance badges wrap */
.compliance-badge,
.compliance-tag {
    display: inline-block;
    margin: 3px 3px 3px 0;
    font-size: 0.75em;
}

/* Methodology steps - stack on mobile */
.methodology-step {
    flex-direction: column;
    padding: 15px;
}

.step-number {
    font-size: 1.5em;
    min-width: auto;
    margin-bottom: 10px;
}

/* Challenge/Solution/Result boxes */
.challenge-box,
.solution-box,
.result-box,
.highlight-box {
    padding: 15px;
    margin: 15px 0;
}

/* Article content improvements */
.article-content {
    font-size: 1em;
    line-height: 1.6;
}

.article-content h2 {
    font-size: 1.4em;
    margin-top: 25px;
}

.article-content h3 {
    font-size: 1.2em;
}

/* CTA sections */
.cta-section {
    padding: 25px 15px;
    margin-top: 30px;
}

.cta-section h3 {
    font-size: 1.3em;
}

.cta-section .btn {
    display: block;
    width: 100%;
    margin: 10px 0;
}

/* Newsletter form */
.input-group {
    display: block;
}

.input-group .form-control {
    width: 100%;
    border-radius: 4px;
    margin-bottom: 10px;
}

.input-group .input-group-btn {
    display: block;
    width: 100%;
}

.input-group .input-group-btn .btn {
    width: 100%;
    border-radius: 4px;
}

/* Author bio */
.author-bio {
    padding: 15px;
}

.author-bio h3 {
    font-size: 1.2em;
}

/* Footer improvements */
.container > hr + p {
    font-size: 0.9em;
    text-align: center;
}

/* Form improvements for mobile */
.form-group {
    margin-bottom: 15px;
}

.form-control {
    font-size: 16px; /* Prevents iOS zoom on focus */
}

/* Buttons - ensure touch-friendly sizing */
.btn {
    min-height: 44px;
    padding: 10px 16px;
}

.btn-lg {
    min-height: 50px;
}

/* Page header adjustments */
.page-header {
    margin-bottom: 25px;
    padding-bottom: 15px;
}

.page-header h1 {
    font-size: 1.8em;
}

.lead {
    font-size: 1.1em;
}

/* Case study cards */
.case-study-card {
    padding: 20px;
    margin-bottom: 25px;
}

.case-study-card h3 {
    font-size: 1.2em;
}

/* Section titles */
.section-title {
    font-size: 1.5em;
    margin-top: 35px;
}

/* Prevent horizontal scroll */
body {
    overflow-x: hidden;
}

.container,
.container-fluid {
    padding-left: 15px;
    padding-right: 15px;
}

img {
    max-width: 100%;
    height: auto;
}

/* ============================================
   Tablet Styles (768px - 992px)
   ============================================ */
@media (min-width: 768px) {
    .navbar-logo {
        width: 120px;
    }

    /* Metrics row - 2 columns */
    .metrics-row {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .metric-box {
        width: 45%;
        max-width: 180px;
    }

    .case-study-metrics {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .case-study-metrics .metric {
        width: auto;
        text-align: center;
    }

    /* Methodology steps - side by side */
    .methodology-step {
        flex-direction: row;
    }

    .step-number {
        min-width: 60px;
        margin-bottom: 0;
    }

    /* Case study header */
    .case-study-header {
        padding: 45px 0;
    }

    .case-study-header h1 {
        font-size: 2em;
    }

    /* CTA buttons inline */
    .cta-section .btn {
        display: inline-block;
        width: auto;
        margin: 10px 5px;
    }

    /* Newsletter form inline */
    .input-group {
        display: table;
    }

    .input-group .form-control {
        display: table-cell;
        border-radius: 4px 0 0 4px;
        margin-bottom: 0;
    }

    .input-group .input-group-btn {
        display: table-cell;
        width: 1%;
    }

    .input-group .input-group-btn .btn {
        border-radius: 0 4px 4px 0;
    }

    /* Article content */
    .article-content {
        font-size: 1.05em;
    }

    .article-content h2 {
        font-size: 1.6em;
    }

    /* Blog post titles */
    .blog-post h3 {
        font-size: 1.4em;
    }

    .section-title {
        font-size: 1.7em;
    }
}

/* ============================================
   Desktop Styles (> 992px)
   ============================================ */
@media (min-width: 992px) {
    .navbar-logo {
        width: 140px;
    }

    /* Metrics row - all in one row */
    .metrics-row {
        flex-wrap: nowrap;
        justify-content: space-around;
    }

    .metric-box {
        width: auto;
        max-width: none;
    }

    .metric-value {
        font-size: 3em;
    }

    /* Case study header */
    .case-study-header {
        padding: 60px 0;
    }

    .case-study-header h1 {
        font-size: 2.5em;
    }

    /* CTA section */
    .cta-section {
        padding: 40px;
    }

    /* Article content */
    .article-content h2 {
        font-size: 1.8em;
        margin-top: 30px;
    }

    .article-content h3 {
        font-size: 1.4em;
    }

    .section-title {
        font-size: 1.8em;
        margin-top: 50px;
    }

    .page-header h1 {
        font-size: 2.2em;
    }
}

/* ============================================
   Large Desktop (> 1200px)
   ============================================ */
@media (min-width: 1200px) {
    .navbar-logo {
        width: 160px;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .navbar,
    .cta-section,
    .btn,
    .input-group {
        display: none !important;
    }

    .container {
        width: 100% !important;
        max-width: none !important;
    }

    .case-study-header {
        background: #f5f5f5 !important;
        color: #333 !important;
        -webkit-print-color-adjust: exact;
    }
}