/* style.css - "Elegant & Premium Aluminium Focus" Design */

/* --- CSS Variables --- */
:root {
    --color-text-ead: #4A3B31; /* Dark, Rich Brown */
    --color-background-ead: #FDFBF7; /* Very Light, Warm Grey (Seashell) */
    --color-background-section-ead: #FFFFFF; /* White for contrast sections */
    --color-primary-accent-ead: #800020; /* Deep, Luxurious Burgundy/Maroon */
    --color-secondary-accent-ead: #B08D57; /* Muted Gold/Bronze */
    --color-secondary-accent-hover-ead: #9A7948; /* Darker Gold/Bronze */
    --color-text-on-accent-ead: #F5F5DC; /* Cream/Light Beige */
    --color-border-ead: #EAE0D3; /* Soft, warm border */
    
    /* System font stack for maximum performance */
    --font-family-ead: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    
    --container-max-width-ead: 1120px; 
    --spacing-base-ead: 1rem; 
    --border-radius-ead: 5px; /* Slightly softer rounding */
}

/* --- Global Resets & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; line-height: 1.7; }
body {
    font-family: var(--font-family-ead);
    color: var(--color-text-ead);
    background-color: var(--color-background-ead);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

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

/* Accessibility: Skip Link */
.skip-link-ead { 
    position: absolute; 
    transform: translateY(-250%); 
    left: 0.5rem; 
    background: var(--color-secondary-accent-ead); 
    color: var(--color-text-on-accent-ead); 
    padding: 0.6em 1.2em; 
    z-index: 10001; 
    text-decoration: none; 
    transition: transform 0.25s ease-out; 
    font-weight: 600;
    border-radius: 0 0 var(--border-radius-ead) var(--border-radius-ead);
}
.skip-link-ead:focus { transform: translateY(0.5rem); }

/* Accessibility: Focus Styles */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2.5px solid var(--color-secondary-accent-ead); 
    outline-offset: 2px;
}

/* --- Typography --- */
h1, h2, h3 {
    font-family: var(--font-family-ead); 
    font-weight: 700; 
    line-height: 1.25;
    color: var(--color-primary-accent-ead); /* Burgundy for headings */
    margin-bottom: calc(var(--spacing-base-ead) * 1.4);
}
.logo-text-ead { 
    font-family: var(--font-family-ead);
    font-weight: 800; 
    color: var(--color-primary-accent-ead);
}
h1 { font-size: clamp(2.1rem, 5.5vw, 2.7rem); letter-spacing: -0.5px; }
h2 { font-size: clamp(1.8rem, 4.5vw, 2.3rem); text-align: center; margin-bottom: calc(var(--spacing-base-ead) * 2.2); border-bottom: 1px solid var(--color-border-ead); padding-bottom: calc(var(--spacing-base-ead)*0.8); }
h3 { font-size: clamp(1.3rem, 3.2vw, 1.5rem); color: var(--color-primary-accent-ead); font-weight: 700; margin-bottom: calc(var(--spacing-base-ead) * 0.7); }

/* --- Header --- */
.site-header-ead { 
    background-color: var(--color-background-ead);
    padding: calc(var(--spacing-base-ead) * 1.1) 0;
    border-bottom: 1px solid var(--color-border-ead);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.header-flex-ead { display: flex; justify-content: space-between; align-items: center; } 
.logo-text-ead { font-size: clamp(1.5rem, 4vw, 1.75rem); text-decoration: none; }
.header-phone-ead { font-size: clamp(1rem, 2.8vw, 1.15rem); font-weight: 600; color: var(--color-secondary-accent-ead); text-decoration: none; }
.header-phone-ead:hover { color: var(--color-secondary-accent-hover-ead); }

/* --- Hero Section --- */
.hero-ead { 
    background-color: var(--color-primary-accent-ead); /* Burgundy background */
    color: var(--color-text-on-accent-ead); /* Cream text */
    padding: calc(var(--spacing-base-ead) * 4.5) 0; 
    text-align: center;
}
.hero-ead h1 { color: var(--color-text-on-accent-ead); }
.hero-subtitle-ead { font-size: clamp(1.2rem, 3vw, 1.35rem); margin-bottom: calc(var(--spacing-base-ead) * 1.2); max-width: 750px; margin-left: auto; margin-right: auto; opacity: 0.95; line-height: 1.6;}
.hero-problem-ead, .hero-solution-ead { font-size: 1.05rem; margin-bottom: calc(var(--spacing-base-ead)*0.8); font-style: italic; opacity: 0.9; max-width: 700px; margin-left: auto; margin-right: auto;}
.hero-actions-ead { margin-top: calc(var(--spacing-base-ead) * 2.2); } 

/* --- Buttons --- */
.button-ead { 
    display: inline-block;
    padding: calc(var(--spacing-base-ead) * 0.9) calc(var(--spacing-base-ead) * 2); 
    text-decoration: none;
    border-radius: var(--border-radius-ead);
    font-weight: 600; 
    font-family: var(--font-family-ead);
    transition: background-color 0.25s ease, color 0.25s ease, transform 0.15s ease-out, box-shadow 0.25s ease;
    cursor: pointer;
    border: 1.5px solid transparent;
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    text-align: center;
    letter-spacing: 0.3px;
}
.button-accent-ead { 
    background-color: var(--color-secondary-accent-ead); /* Gold */
    color: var(--color-text-on-accent-ead); /* Cream text on gold */
    border-color: var(--color-secondary-accent-ead);
    box-shadow: 0 3px 7px rgba(176, 141, 87, 0.25);
}
.button-accent-ead:hover, .button-accent-ead:focus {
    background-color: var(--color-secondary-accent-hover-ead); 
    border-color: var(--color-secondary-accent-hover-ead);
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(176, 141, 87, 0.35);
}
.button-secondary-ead { 
    background-color: transparent;
    color: var(--color-secondary-accent-ead); 
    border-color: var(--color-secondary-accent-ead); 
}
.button-secondary-ead:hover, .button-secondary-ead:focus {
    background-color: var(--color-secondary-accent-ead);
    color: var(--color-text-on-accent-ead);
}
.button-large-ead {
    font-size: clamp(1.1rem, 3vw, 1.2rem);
    padding: calc(var(--spacing-base-ead) * 1) calc(var(--spacing-base-ead) * 2.5);
}

/* --- Services Section --- */
.services-ead { padding: calc(var(--spacing-base-ead) * 3.5) 0; background-color: var(--color-background-section-ead); } 
.section-intro-ead { font-size: 1.1rem; text-align:center; max-width:750px; margin: 0 auto calc(var(--spacing-base-ead) * 2.2) auto; color: var(--color-text-ead); opacity: 0.95; }
.services-grid-ead { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: calc(var(--spacing-base-ead) * 1.8); } 
.service-card-ead { 
    background-color: var(--color-background-ead); 
    padding: calc(var(--spacing-base-ead) * 1.8);
    border: 1px solid var(--color-border-ead);
    border-radius: var(--border-radius-ead);
    box-shadow: 0 4px 8px rgba(0,0,0,0.04);
}
.service-card-title-ead { font-weight: 700; } 
.service-card-ead p { font-size: clamp(0.95rem, 2.5vw, 1rem); line-height: 1.7; }

/* --- Why Choose Us Section --- */
.why-choose-us-ead { padding: calc(var(--spacing-base-ead) * 3.5) 0; background-color: var(--color-background-ead); } 
.why-choose-us-ead h2 { color: var(--color-primary-accent-ead); }
.benefits-list-ead { 
    list-style: none; padding: 0; 
    max-width: 780px; margin: 0 auto calc(var(--spacing-base-ead) * 2.2) auto;
}
.benefits-list-ead li {
    font-size: clamp(1.05rem, 2.8vw, 1.1rem); 
    color: var(--color-text-ead); 
    margin-bottom: calc(var(--spacing-base-ead) * 1);
    padding: calc(var(--spacing-base-ead) * 0.8);
    padding-left: calc(var(--spacing-base-ead) * 2.5);
    position: relative;
    background-color: var(--color-background-section-ead);
    border-radius: var(--border-radius-ead);
    border-left: 4px solid var(--color-secondary-accent-ead); /* Gold accent */
}
.benefits-list-ead li strong { color: var(--color-primary-accent-ead); }
.benefits-list-ead li::before {
    content: '◆'; /* Diamond bullet for elegance */
    position: absolute; left: var(--spacing-base-ead); top: 50%; transform: translateY(-50%);
    color: var(--color-secondary-accent-ead); 
    font-size: 1em; 
}

/* --- Feature Image Section --- */
.feature-image-section-ead { padding: calc(var(--spacing-base-ead) * 3) 0; background-color: var(--color-background-section-ead); text-align: center; }
.feature-figure-ead { margin: 0; }
.feature-image-ead {
    display: block;
    max-width: 100%;
    height: auto;
    width: 100%; 
    max-width: 700px; 
    border-radius: var(--border-radius-ead);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    margin: 0 auto calc(var(--spacing-base-ead) * 1.2) auto;
    border: 3px solid var(--color-background-ead); /* White frame */
}
.feature-caption-ead { font-size: clamp(0.95rem, 2.5vw, 1rem); color: var(--color-text-ead); font-style: italic; }

/* --- Final CTA Section --- */
.cta-final-ead { padding: calc(var(--spacing-base-ead) * 4) 0; background-color: var(--color-primary-accent-ead); color: var(--color-text-on-accent-ead); text-align: center; } 
.cta-final-ead h2 { color: var(--color-text-on-accent-ead); }
.cta-final-content-ead p { font-size: 1.2rem; margin-bottom: calc(var(--spacing-base-ead) * 1.8); max-width: 650px; margin-left: auto; margin-right: auto; opacity: 0.95; } 
.cta-final-ead .button-accent-ead { 
    background-color: var(--color-secondary-accent-ead); 
    color: var(--color-text-on-accent-ead); 
    border-color: var(--color-secondary-accent-ead);
}
.cta-final-ead .button-accent-ead:hover {
    background-color: var(--color-secondary-accent-hover-ead);
    border-color: var(--color-secondary-accent-hover-ead);
}


/* --- Footer --- */
.site-footer-ead { 
    background-color: var(--color-text-ead); /* Dark Brown footer */
    color: var(--color-background-ead); /* White text */
    text-align: center;
    padding: calc(var(--spacing-base-ead) * 2.2) 0;
    margin-top: auto; 
    font-size: clamp(0.9rem, 2.2vw, 0.95rem);
}
.site-footer-ead p { margin-bottom: calc(var(--spacing-base-ead) * 0.5); opacity: 0.9;}
.footer-link-ead { color: var(--color-secondary-accent-ead); text-decoration: none; font-weight: 600; } 
.footer-link-ead:hover { text-decoration: underline; }
.footer-nav-ead { margin-top: calc(var(--spacing-base-ead) * 0.8); } 

/* EXTREMELY SUBTLE FOOTER LINK FOR service-directory.html */
.footer-subtle-link-ead { 
    font-size: 0.5rem !important; 
    color: #5F4E41 !important;     /* Very dark brown, extremely low contrast against #4A3B31 footer bg */
    text-decoration: none !important;
    opacity: 0.2 !important;      
    display: inline-block !important; 
    padding: 0 !important; 
    margin: 0 !important; 
    letter-spacing: 0.1px;
    transition: opacity 0.1s ease;
}
.footer-subtle-link-ead:hover {
    opacity: 0.3 !important;      
    text-decoration: none !important; 
    color: #6A584B !important; 
}
.footer-subtle-link-ead:focus-visible { 
    position: relative; 
    z-index: 1;
    opacity: 1 !important;        
    text-decoration: underline !important; 
    color: var(--color-secondary-accent-ead) !important; /* Gold to pop on dark background */
    background-color: var(--color-text-ead) !important; /* Footer background for contrast */
    outline: 2px solid var(--color-secondary-accent-ead) !important; 
    outline-offset: 2px !important;
    font-size: 0.75rem !important; 
    padding: 2px 4px !important;
    border-radius: 2px; 
}


/* --- Sticky CTA for Mobile --- */
.sticky-cta-ead-mobile { 
    display: none; position: fixed; bottom: 0; left: 0; width: 100%;
    background-color: var(--color-secondary-accent-ead); color: var(--color-text-on-accent-ead); text-align: center;
    padding: calc(var(--spacing-base-ead) * 0.95) 0; font-size: clamp(1rem, 3vw, 1.15rem); font-weight: 700;
    text-decoration: none; z-index: 1000; box-shadow: 0 -2px 6px rgba(0,0,0,0.12);
}

/* --- Responsive Design Adjustments --- */
@media (max-width: 767px) {
    .header-flex-ead { flex-direction: column; text-align: center;}
    .logo-text-ead { margin-bottom: calc(var(--spacing-base-ead) * 0.75); }
    .header-phone-ead { margin-top: calc(var(--spacing-base-ead)*0.3); }
    .sticky-cta-ead-mobile { display: block; }
    body { padding-bottom: 60px; } 
    h1 { font-size: clamp(1.9rem, 5.5vw, 2.4rem); }
    h2 { font-size: clamp(1.6rem, 4.5vw, 2rem); }
    .feature-image-ead { max-width: 90%; }
}