/* Reset and Base Styles */
:root {
    --header-height: 80px;
    --primary-color: #4682b4; /* Steel Blue */
    --primary-color-dark: #3A6A8E; /* Darker version for hover states */
    --secondary-color: #333333; /* Industrial Gray */
    --accent-color: #ff6b00; /* Machine Orange */
    --accent-hover: #e65c00;
    --background-color: #f4f4f4; /* Light Gray */
    --text-color: #333333;
    --light-text: #ffffff;
    --light-gray: #f8f9fa;
    --border-color: #dddddd;
    --max-width: 1200px;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --border-radius: 5px;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --box-shadow-hover: 0 5px 20px rgba(0,0,0,0.2);
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    color: var(--secondary-color);
    background: var(--background-color);
    padding-top: var(--header-height);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 1.8rem);
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--accent-color);
}

/* Utility Classes */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.visually-hidden, .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Header and Navigation */
header {
    background: var(--primary-color);
    color: var(--light-text);
    padding: var(--spacing-md);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-height);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    height: 100%;
}

.logo {
    flex: 0 0 120px;
    z-index: 101;
}

.logo img {
    width: 100%;
    height: auto;
}

/* Mobile Menu Button */
.menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--light-text);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 101;
}

/* Navigation Links */
nav ul {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav a {
    color: var(--light-text);
    text-decoration: none;
    font-weight: bold;
    font-size: 1rem;
    transition: color var(--transition-speed);
}

nav a:hover,
nav a.active {
    color: var(--accent-color);
}

/* Demo Button */
.demo-btn {
    background: var(--accent-color);
    color: var(--light-text);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    font-weight: bold;
    cursor: pointer;
    transition: background var(--transition-speed);
    white-space: nowrap;
}

.demo-btn:hover {
    background: var(--accent-hover);
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width);
    margin: var(--spacing-lg) auto;
    padding: var(--spacing-lg);
    background: #fff;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.hero-content {
    flex: 1;
    max-width: 50%;
    padding-right: var(--spacing-lg);
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    margin-bottom: var(--spacing-lg);
}

.cta-btn {
    background: var(--accent-color);
    color: var(--light-text);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-size: clamp(1rem, 2vw, 1.2rem);
    cursor: pointer;
    transition: all var(--transition-speed);
    display: inline-block;
}

.cta-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.hero-img {
    flex: 1;
    max-width: 45%;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    transition: transform var(--transition-speed);
}

.hero-img:hover {
    transform: scale(1.02);
}

/* Solutions Section */
.solutions {
    background: var(--light-gray);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
}

/* Solution Cards as Accordions */
.solution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-md);
}

.solution-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    transition: box-shadow var(--transition-speed);
    overflow: hidden;
    position: relative;
}

.solution-card:hover {
    box-shadow: var(--box-shadow-hover);
}

.solution-card-header {
    background: #fff;
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-speed);
}

.solution-card-header h3 {
    color: var(--accent-color);
    margin: 0;
    position: relative;
    z-index: 1;
}

.solution-card-header p {
    margin: 0.5rem 0 0;
}

.solution-card-toggle {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 1.5rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-speed);
}

.solution-card-toggle:hover {
    background: rgba(70, 130, 180, 0.1);
}

.solution-card-toggle[aria-expanded="true"] .icon-plus {
    display: none;
}

.solution-card-toggle[aria-expanded="false"] .icon-minus {
    display: none;
}

.solution-details {
    background: #fff;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.3s ease;
}

.solution-details.active {
    padding: var(--spacing-lg);
    max-height: 1500px; /* Large enough to contain content */
    border-top: 1px solid var(--border-color);
}

.solution-details h4 {
    color: var(--primary-color);
    margin: 1.5rem 0 1rem;
    font-size: 1.2rem;
}

.solution-details h4:first-child {
    margin-top: 0;
}

.solution-details ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
}

.solution-details li {
    margin: var(--spacing-sm) 0;
    padding-left: 1.5rem;
    position: relative;
    text-align: left;
}

.solution-details li:before {
    content: '✓';
    color: var(--accent-color);
    position: absolute;
    left: 0;
}

.success-story {
    background: var(--light-gray);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin: 1.5rem 0;
}

.success-story blockquote {
    margin: 0;
    font-style: italic;
    color: var(--secondary-color);
    font-size: 1rem;
}

.success-story cite {
    display: block;
    margin-top: var(--spacing-md);
    color: var(--primary-color);
    font-style: normal;
    font-weight: bold;
}

/* Features Section */
.features {
    padding: var(--spacing-xl);
    text-align: center;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    max-width: var(--max-width);
    margin: 0 auto;
}

.feature-card {
    background: #fff;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-speed);
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    color: var(--primary-color);
}

/* Results Section */
.results {
    background: var(--secondary-color);
    color: var(--light-text);
    padding: var(--spacing-xl);
    text-align: center;
}

.results h2 {
    color: var(--light-text);
}

blockquote {
    font-size: 1.5rem;
    margin: var(--spacing-lg) 0;
}

cite {
    font-size: 1rem;
    color: var(--accent-color);
}

/* Calculator Component */
.calculator {
    margin-top: var(--spacing-lg);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.calculator form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.calculator input {
    padding: 0.75rem;
    border: 1px solid var(--primary-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background: var(--background-color);
}

.calc-btn {
    background: var(--accent-color);
    color: var(--light-text);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    transition: background var(--transition-speed);
}

.calc-btn:hover {
    background: var(--accent-hover);
}

.savings-output {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-top: var(--spacing-md);
    font-weight: bold;
}

.reset-btn {
    background: var(--secondary-color);
    color: var(--light-text);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    margin-top: var(--spacing-md);
    transition: background var(--transition-speed);
}

.reset-btn:hover {
    background: #4d4d4d;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--light-text);
    text-align: center;
    padding: var(--spacing-md);
}

footer a {
    color: var(--accent-color);
}

/* Savings Calculator Page Styles */
.savings-calculator {
    background: #fff;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    max-width: var(--max-width);
    margin: var(--spacing-lg) auto;
    padding: var(--spacing-lg);
}

.subtitle {
    color: var(--primary-color);
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.segment-selector {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.segment-btn {
    background: var(--background-color);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-speed);
    font-weight: bold;
}

.segment-btn .machines {
    display: block;
    font-size: 0.8rem;
    color: #666;
    font-weight: normal;
}

.segment-btn.active {
    background: var(--primary-color);
    color: var(--light-text);
}

.segment-btn.active .machines {
    color: rgba(255,255,255,0.8);
}

.segment-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.segment-btn:focus {
    outline: 3px solid rgba(70, 130, 180, 0.5);
    outline-offset: 2px;
}

.input-help {
    display: block;
    color: #666;
    font-size: 0.9rem;
    margin-top: 0.3rem;
}

.tooltip {
    display: inline-block;
    color: var(--primary-color);
    margin-left: var(--spacing-sm);
    cursor: help;
    position: relative;
}

.tooltip:hover::after, 
.tooltip:focus::after {
    content: attr(data-tip);
    position: absolute;
    background: var(--secondary-color);
    color: var(--light-text);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    width: 200px;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.calculator-container {
    background: #fff;
    padding: var(--spacing-lg);
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    margin: var(--spacing-lg) 0;
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
    font-weight: bold;
}

.input-group input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.input-group input:focus {
    outline: 2px solid var(--primary-color);
    border-color: var(--primary-color);
}

.results-container {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--border-color);
}

.savings-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: var(--spacing-lg) 0;
}

.savings-item {
    background: var(--light-gray);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
}

.savings-item h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.savings-item .amount {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
}

.savings-item.total {
    background: var(--primary-color);
    color: var(--light-text);
}

.savings-item.total h3,
.savings-item.total .amount {
    color: var(--light-text);
}

.savings-item.roi {
    background: var(--accent-color);
    color: var(--light-text);
}

.savings-item.roi h3,
.savings-item.roi .amount {
    color: var(--light-text);
}

.savings-highlights {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: var(--light-gray);
    border-radius: var(--border-radius);
    flex-wrap: wrap;
}

.highlight-item {
    text-align: center;
}

.highlight-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.highlight-item h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.highlight-item p {
    color: var(--accent-color);
    font-weight: bold;
}

.disclaimer {
    font-size: 0.9rem;
    color: #666;
    margin-top: var(--spacing-md);
}

.cta-section {
    text-align: center;
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background: var(--light-gray);
    border-radius: 10px;
}

/* Contact Page Styles */
.contact {
    max-width: var(--max-width);
    margin: var(--spacing-lg) auto;
    padding: var(--spacing-xl);
    background: #fff;
    text-align: center;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}

.contact-form label {
    display: block;
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
}

.contact-form input, 
.contact-form textarea {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--primary-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: 2px solid var(--primary-color);
}

.success {
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: rgba(70, 130, 180, 0.1);
    border-radius: var(--border-radius);
}

.error {
    color: var(--accent-color);
    font-weight: bold;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: rgba(255, 107, 0, 0.1);
    border-radius: var(--border-radius);
}

.contact-info {
    margin-top: var(--spacing-lg);
}

.contact-info h3 {
    color: var(--accent-color);
    margin-bottom: var(--spacing-md);
}

/* Resource Page Styles */
.resources-page .hero,
.sustainability-page .hero {
    background: linear-gradient(rgba(70, 130, 180, 0.9), rgba(70, 130, 180, 0.7));
    color: var(--light-text);
    text-align: center;
    padding: 6rem 2rem;
    margin-bottom: var(--spacing-lg);
}

.resources-page .hero h1,
.sustainability-page .hero h1 {
    color: var(--light-text);
}

.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
}

.resource-category {
    background: #fff;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
}

.resource-items {
    display: grid;
    gap: 1.5rem;
}

.resource-item {
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed);
}

.resource-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.download-btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--primary-color);
    color: var(--light-text);
    text-decoration: none;
    border-radius: var(--border-radius);
    margin-top: var(--spacing-md);
    transition: background var(--transition-speed);
}

.download-btn:hover {
    background: var(--primary-color-dark);
}

.calculator-preview {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--background-color);
    margin-top: var(--spacing-lg);
}

.cta-button {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--accent-color);
    color: var(--light-text);
    text-decoration: none;
    border-radius: var(--border-radius);
    margin-top: var(--spacing-md);
    transition: background var(--transition-speed);
}

.cta-button:hover {
    background: var(--accent-hover);
}

/* Sustainability Page Styles */
.impact-metrics {
    background: #fff;
    padding: 4rem 0;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.metric-card {
    background: #fff;
    padding: var(--spacing-lg);
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--box-shadow);
}

.metric-card h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.sustainability-features {
    padding: 4rem 0;
    background: var(--light-gray);
}

.feature-grid {
    margin-top: var(--spacing-lg);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.cert-card {
    background: #fff;
    padding: var(--spacing-lg);
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: transform var(--transition-speed);
}

.cert-card:hover {
    transform: translateY(-5px);
}

.cert-card img {
    width: 100px;
    height: 100px;
    margin-bottom: var(--spacing-md);
}

.sustainability-cta {
    text-align: center;
    padding: 4rem 0;
    background: linear-gradient(rgba(70, 130, 180, 0.1), rgba(70, 130, 180, 0.2));
}

/* Focus styles for accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus,
.solution-card:focus-within,
.feature-card:focus-within {
    outline: 3px solid rgba(70, 130, 180, 0.5);
    outline-offset: 2px;
}

/* Skip to content link for accessibility */
.skip-link {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link:focus {
    width: auto;
    height: auto;
    clip: auto;
    margin: 0;
    background-color: var(--accent-color);
    color: white;
    font-weight: bold;
    padding: 10px 15px;
    z-index: 1000;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 0 0 4px 4px;
}

/* Improved Mobile Navigation */
@media (max-width: 768px) {
    .menu-btn {
        display: block;
        background-color: rgba(255, 255, 255, 0.1);
        border-radius: 4px;
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Compact dropdown navigation instead of fullscreen */
    nav ul {
        position: absolute;
        top: var(--header-height);
        right: 0;
        width: 250px;
        max-height: 0;
        overflow: hidden;
        background: var(--primary-color);
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        transition: max-height 0.3s ease;
        box-shadow: 0 6px 12px rgba(0,0,0,0.2);
        border-bottom-left-radius: 8px;
        z-index: 100;
        padding: 0;
    }

    nav ul.active {
        max-height: 500px;
        padding: 0;
    }

    nav ul li {
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    nav ul li:last-child {
        border-bottom: none;
    }

    nav ul a {
        display: block;
        padding: 15px 20px;
        font-size: 1rem;
        transition: background-color 0.3s ease;
    }

    nav ul a:hover {
        background-color: rgba(255,255,255,0.1);
        color: var(--light-text);
    }

    nav ul a.active {
        background-color: var(--accent-color);
        color: var(--light-text);
    }

    /* Reposition demo button */
    .demo-btn {
        position: relative;
        top: 0;
        right: 0;
        padding: var(--spacing-sm) var(--spacing-md);
        transform: none;
        margin-right: 15px;
    }
    
    /* Dimmed background overlay */
    .menu-overlay {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 99;
    }
    
    .menu-overlay.active {
        display: block;
    }
}

/* Mobile-specific fixes for index.html */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-md: 0.75rem;
        --header-height: 70px;
    }
    
    body {
        font-size: 15px;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    h2 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }
    
    h3 {
        font-size: 1.3rem;
    }
    
    .logo {
        flex: 0 0 100px;
    }
    
    /* Fix squished solutions */
    .solution-grid {
        display: block; /* Single column layout */
        padding: 0 15px; /* Add padding to container */
    }
    
    .solution-card {
        width: 100%; /* Full width */
        margin-bottom: 20px; /* Add space between cards */
        box-sizing: border-box;
    }
    
    .solution-card-header {
        padding: 15px; /* Add proper padding */
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
    }
    
    .solution-card-header > div {
        width: calc(100% - 50px); /* Make room for toggle button */
    }
    
    /* Fix Calculate Your Savings button */
    .cta-btn {
        display: block; /* Full width button */
        width: 100%;
        padding: 12px 15px;
        font-size: 1rem;
        text-align: center;
        margin-bottom: 15px;
        box-sizing: border-box;
        white-space: normal; /* Allow text to wrap */
    }
    
    /* Hero section fixes */
    .hero {
        flex-direction: column;
        padding: 20px 15px;
    }
    
    .hero-content {
        width: 100%;
        max-width: 100%;
        padding-right: 0;
    }
    
    .hero-img {
        width: 100%;
        max-width: 100%;
        height: auto;
        margin-top: 20px;
    }
    
    /* Feature grid mobile optimization */
    .feature-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .feature-card {
        padding: 1rem;
        margin-bottom: 15px;
    }
    
    /* Results section mobile optimization */
    .results {
        padding: 2rem 1rem;
    }
    
    .results blockquote {
        font-size: 1.1rem;
        margin: 1.5rem 0;
    }
    
    .calculator {
        max-width: 100%;
    }
    
    .calculator input {
        padding: 0.75rem;
        font-size: 16px; /* Prevents iOS zoom */
    }
    
    /* Mobile-specific content containers */
    .container, 
    .features, 
    .results {
        width: 100%;
        padding-left: 15px;
        padding-right: 15px;
        box-sizing: border-box;
    }
    
    /* Solution details fixes */
    .solution-details.active {
        padding: 15px;
    }
    
    .solution-details h4 {
        font-size: 1.1rem;
        margin: 1rem 0 0.5rem;
    }
    
    .solution-details li {
        margin: 0.25rem 0;
        font-size: 0.9rem;
    }
    
    .success-story {
        padding: 1rem;
        margin: 1rem 0;
    }
    
    /* Ensure buttons are large enough to tap */
    a, button {
        min-height: 44px; /* Apple's recommended minimum touch target size */
        display: inline-flex;
        align-items: center;
    }
    
    /* Footer adjustments */
    footer {
        padding: 1rem 15px;
        font-size: 0.9rem;
    }
    
    /* Segment selector for single column */
    .segment-selector {
        flex-direction: column;
        align-items: center;
    }
    
    /* Savings highlights for mobile */
    .savings-highlights {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    :root {
        --header-height: 60px;
    }
    
    nav ul {
        width: 100%;
        border-radius: 0;
    }
    
    .demo-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.9rem;
    }
    
    .hero {
        margin: var(--spacing-sm);
        padding: var(--spacing-md);
    }
    
    h1 {
        font-size: 1.6rem;
    }
    
    .cta-btn, .calc-btn, .demo-btn {
        padding: 10px 15px; /* Comfortable tap target */
    }
    
    /* Ensure buttons are big enough to tap */
    .solution-card-toggle {
        width: 40px;
        height: 40px;
        min-width: 40px;
    }
    
    /* Calculator form adjustments */
    .calculator form {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .savings-breakdown {
        grid-template-columns: 1fr;
    }
}

/* Landscape orientation adjustments */
@media (max-width: 812px) and (orientation: landscape) {
    .solution-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .hero {
        display: flex;
        flex-direction: row;
        align-items: center;
    }
    
    .hero-content {
        max-width: 60%;
        padding-right: 15px;
    }
    
    .hero-img {
        max-width: 40%;
    }
}

/* Print Styles */
@media print {
    header, 
    footer,
    .cta-section,
    .hero-img,
    .demo-btn,
    .calc-btn,
    .reset-btn,
    .cta-btn {
        display: none !important;
    }
    
    body {
        padding-top: 0;
        background: white;
        color: black;
    }
    
    .savings-calculator,
    .contact,
    .solutions,
    .features {
        background: white;
        box-shadow: none;
        margin: 0;
        padding: 1rem;
    }
    
    h1, h2, h3, h4, h5, h6 {
        color: black;
    }
    
    a {
        color: black;
        text-decoration: underline;
    }
    
    .savings-breakdown {
        display: block;
    }
    
    .savings-item {
        margin-bottom: 1rem;
        background: white;
        border: 1px solid #ddd;
    }
    
    .savings-item.total,
    .savings-item.roi {
        background: white;
        color: black;
    }
    
    .savings-item.total h3,
    .savings-item.total .amount,
    .savings-item.roi h3,
    .savings-item.roi .amount {
        color: black;
    }
}