/* style.css - "Sharp Industrial Minimalist" Design */

/* --- CSS Variables --- */
:root {
    --color-text-sim: #1A1A1A; /* Near Black */
    --color-background-sim: #FFFFFF; /* White */
    --color-primary-accent-sim: #4A4A4A; /* Industrial Grey */
    --color-secondary-accent-sim: #FFD700; /* Bold, Clear Yellow */
    --color-text-on-accent-sim: #000000; /* Black text for yellow backgrounds */
    --color-border-sim: #CCCCCC; /* Light Grey for borders */
    --color-section-bg-alt-sim: #F5F5F5; /* Very Light Grey for alternate sections */
    
    /* System font stack for maximum performance */
    --font-family-sim: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    
    --container-max-width-sim: 1050px; 
    --spacing-base-sim: 1rem; 
    --border-width-sim: 2px; /* Defined border width */
    --border-radius-sim: 0px; /* Sharp corners */
}

/* --- Global Resets & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; line-height: 1.6; }
body {
    font-family: var(--font-family-sim);
    color: var(--color-text-sim);
    background-color: var(--color-background-sim);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content-sim { flex-grow: 1; }

.container-sim {
    width: 90%;
    max-width: var(--container-max-width-sim);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-base-sim);
    padding-right: var(--spacing-base-sim);
}

/* Accessibility: Skip Link */
.skip-link-sim { 
    position: absolute; 
    transform: translateY(-300%); 
    left: 0.5rem; 
    background: var(--color-secondary-accent-sim); 
    color: var(--color-text-on-accent-sim); 
    padding: 0.5em 1em; 
    z-index: 10001; 
    text-decoration: none; 
    transition: transform 0.2s ease-out; 
    font-weight: 600;
    border: var(--border-width-sim) solid var(--color-text-sim);
    border-radius: var(--border-radius-sim);
}
.skip-link-sim:focus { transform: translateY(0.5rem); }

/* Accessibility: Focus Styles */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: var(--border-width-sim) dashed var(--color-secondary-accent-sim); 
    outline-offset: 3px;
}

/* --- Typography --- */
h1, h2, h3 {
    font-weight: 700; 
    line-height: 1.2;
    color: var(--color-primary-accent-sim); /* Industrial Grey for headings */
    margin-bottom: calc(var(--spacing-base-sim) * 1.3);
    text-transform: uppercase; 
}
.logo-text-sim { 
    font-family: var(--font-family-sim);
    font-weight: 800; /* Extra bold logo */
    line-height: 1.1;
    color: var(--color-primary-accent-sim);
    text-transform: uppercase;
}
h1 { font-size: clamp(1.8rem, 5.5vw, 2.4rem); letter-spacing: 1px; }
h2 { font-size: clamp(1.6rem, 4.5vw, 2rem); text-align: center; margin-bottom: calc(var(--spacing-base-sim) * 2.2); border-bottom: var(--border-width-sim) solid var(--color-border-sim); padding-bottom: var(--spacing-base-sim); }
h3 { font-size: clamp(1.2rem, 3.5vw, 1.4rem); color: var(--color-primary-accent-sim); font-weight: 700; margin-bottom: calc(var(--spacing-base-sim) * 0.6); }

/* --- Header --- */
.site-header-sim {
    background-color: var(--color-background-sim);
    padding: var(--spacing-base-sim) 0;
    border-bottom: var(--border-width-sim) solid var(--color-primary-accent-sim); /* Grey border */
}
.header-content-sim { display: flex; justify-content: space-between; align-items: center; }
.logo-text-sim { font-size: clamp(1.4rem, 4vw, 1.7rem); text-decoration: none; }
.header-phone-sim { font-size: clamp(1rem, 3vw, 1.15rem); font-weight: 700; color: var(--color-text-sim); text-decoration: none; padding: 0.3rem 0.6rem; border: var(--border-width-sim) solid var(--color-text-sim); }
.header-phone-sim:hover { background-color: var(--color-text-sim); color: var(--color-secondary-accent-sim); border-color: var(--color-text-sim); }

/* --- Hero Section --- */
.hero-sim {
    background-color: var(--color-primary-accent-sim); /* Industrial Grey background */
    color: var(--color-background-sim); /* White text */
    padding: calc(var(--spacing-base-sim) * 3.5) 0; 
    text-align: center;
}
.hero-sim h1 { color: var(--color-secondary-accent-sim); /* Yellow H1 on grey */ }
.hero-subtitle-sim { font-size: clamp(1.1rem, 3vw, 1.2rem); margin-bottom: calc(var(--spacing-base-sim) * 1.5); max-width: 700px; margin-left: auto; margin-right: auto; line-height: 1.55;}
.hero-problem-sim { font-size: 1rem; margin-bottom: var(--spacing-base-sim); opacity: 0.9;}
.hero-actions-sim { margin-top: calc(var(--spacing-base-sim) * 1.8); } 

/* --- Buttons --- */
.button-sim {
    display: inline-block;
    padding: calc(var(--spacing-base-sim) * 0.8) calc(var(--spacing-base-sim) * 1.8); 
    text-decoration: none;
    border-radius: var(--border-radius-sim); 
    font-weight: 700; 
    font-family: var(--font-family-sim);
    transition: background-color 0.15s linear, color 0.15s linear, transform 0.1s linear, border-color 0.15s linear; 
    cursor: pointer;
    border: var(--border-width-sim) solid var(--color-text-sim); 
    font-size: clamp(0.95rem, 2.8vw, 1.05rem);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px; 
}
.button-accent-sim { 
    background-color: var(--color-secondary-accent-sim); /* Yellow button */
    color: var(--color-text-on-accent-sim); /* Black text */
    border-color: var(--color-secondary-accent-sim);
}
.button-accent-sim:hover, .button-accent-sim:focus {
    background-color: #E6C300; /* Darker Yellow */
    border-color: #E6C300;
    color: var(--color-text-on-accent-sim);
}
.button-secondary-sim { 
    background-color: transparent; 
    color: var(--color-text-sim); 
    border-color: var(--color-text-sim); 
}
.button-secondary-sim:hover, .button-secondary-sim:focus {
    background-color: var(--color-text-sim);
    color: var(--color-secondary-accent-sim); /* Yellow text on hover */
}
.button-large-sim {
    font-size: clamp(1.05rem, 3.2vw, 1.15rem);
    padding: calc(var(--spacing-base-sim) * 1) calc(var(--spacing-base-sim) * 2.2);
}

/* --- Services Section --- */
.services-sim { padding: calc(var(--spacing-base-sim) * 3) 0; background-color: var(--color-background-sim); } 
.services-sim h2 { border-color: var(--color-primary-accent-sim); color: var(--color-primary-accent-sim); }
.services-grid-sim { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--spacing-base-sim); } 
.service-card-sim { 
    background-color: var(--color-section-bg-alt-sim); /* Light grey cards */
    padding: calc(var(--spacing-base-sim) * 1.4);
    border: var(--border-width-sim) solid var(--color-border-sim); 
}
.service-card-title-sim { font-weight: 700; text-transform: uppercase; color: var(--color-text-sim);} 
.service-card-sim p { font-size: clamp(0.9rem, 2.5vw, 0.95rem); line-height: 1.6; }

/* --- Why Choose Us Section --- */
.why-us-sim { padding: calc(var(--spacing-base-sim) * 3) 0; background-color: var(--color-background-sim); } 
.why-us-sim h2 { border-color: var(--color-primary-accent-sim); color: var(--color-primary-accent-sim); }
.benefits-list-sim { 
    list-style: none; padding: 0; 
    max-width: 650px; margin: 0 auto calc(var(--spacing-base-sim) * 1.5) auto;
    border: var(--border-width-sim) solid var(--color-primary-accent-sim); /* Grey border */
    padding: var(--spacing-base-sim);
}
.benefits-list-sim li {
    font-size: clamp(0.95rem, 2.8vw, 1rem); 
    margin-bottom: calc(var(--spacing-base-sim) * 0.7);
    padding-left: 0; 
    text-transform: uppercase;
    line-height: 1.4;
    color: var(--color-text-sim);
}
.benefits-list-sim li::before { content: none; }
.why-cta-sim { text-align: center; margin-top: var(--spacing-base-sim); } 

/* --- Final CTA Section --- */
.cta-final-sim { padding: calc(var(--spacing-base-sim) * 3) 0; background-color: var(--color-primary-accent-sim); color: var(--color-background-sim); text-align: center; } 
.cta-final-sim h2 { color: var(--color-secondary-accent-sim); /* Yellow heading on Grey */ border-bottom: none; padding-bottom: 0; }
.cta-final-content-sim p { font-size: 1.1rem; margin-bottom: calc(var(--spacing-base-sim) * 1.5); max-width: 600px; margin-left: auto; margin-right: auto; opacity: 0.95;} 
.cta-final-sim .button-accent-sim { 
    background-color: var(--color-secondary-accent-sim); /* Yellow */
    color: var(--color-text-on-accent-sim); /* Black */
    border-color: var(--color-secondary-accent-sim);
}
.cta-final-sim .button-accent-sim:hover {
    background-color: #E6C300; /* Darker Yellow */
    border-color: #E6C300;
}

/* --- Footer --- */
.site-footer-sim { 
    background-color: var(--color-text-sim); /* Black footer */
    color: var(--color-background-sim); /* White text */
    text-align: center;
    padding: calc(var(--spacing-base-sim) * 1.8) 0;
    margin-top: auto; 
    font-size: clamp(0.8rem, 2vw, 0.9rem);
    border-top: var(--border-width-sim) solid var(--color-secondary-accent-sim); /* Yellow top border */
}
.site-footer-sim p { margin-bottom: calc(var(--spacing-base-sim) * 0.3); opacity: 0.8; }
.footer-link-sim { color: var(--color-secondary-accent-sim); text-decoration: underline; font-weight: normal; } 
.footer-link-sim:hover { color: #E6C300; /* Darker Yellow */ }
.footer-nav-sim { margin-top: calc(var(--spacing-base-sim)*0.3); } 

/* EXTREMELY HIDDEN FOOTER LINK FOR service-directory.html */
.footer-hidden-link-sim { 
    position: absolute !important; 
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    color: transparent !important; 
    background: none !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 !important;
    speak: none; 
    -webkit-touch-callout: none; 
    -webkit-user-select: none; 
    -khtml-user-select: none; 
    -moz-user-select: none; 
    -ms-user-select: none; 
    user-select: none; 
}
.footer-hidden-link-sim:focus-visible { 
    position: static !important; 
    width: auto !important;
    height: auto !important;
    overflow: visible !important;
    color: var(--color-secondary-accent-sim) !important; 
    background-color: var(--color-text-sim) !important; 
    padding: 3px 5px !important; 
    text-decoration: underline !important;
    outline: 1px dashed var(--color-secondary-accent-sim) !important;
    outline-offset: 1px !important;
    z-index: 10002 !important; 
    font-size: 0.75rem !important; 
}

/* --- Sticky CTA for Mobile --- */
.sticky-cta-sim-mobile { 
    display: none; position: fixed; bottom: 0; left: 0; width: 100%;
    background-color: var(--color-secondary-accent-sim); color: var(--color-text-on-accent-sim); text-align: center;
    padding: calc(var(--spacing-base-sim) * 0.85) 0; font-size: clamp(1rem, 3.2vw, 1.1rem); font-weight: 700;
    text-decoration: none; z-index: 1000; border-top: var(--border-width-sim) solid var(--color-text-sim);
    text-transform: uppercase; letter-spacing: 1px;
}

/* --- Responsive Design Adjustments --- */
@media (max-width: 767px) {
    .header-content-sim { flex-direction: column; text-align: center;}
    .logo-text-sim { margin-bottom: calc(var(--spacing-base-sim) * 0.5); }
    .header-phone-sim { margin-top: calc(var(--spacing-base-sim)*0.3); }
    .sticky-cta-sim-mobile { display: block; }
    body { padding-bottom: 55px; } 
    h1 { font-size: clamp(1.6rem, 5.5vw, 2rem); }
    h2 { font-size: clamp(1.4rem, 4.5vw, 1.8rem); }
}

/* No image styles as HTML is image-free */