/* style.css - "Calm & Trustworthy - Blue/Green Professional" Design */

/* --- CSS Variables --- */
:root {
    --color-text-cbg: #333333; /* Dark Serious Grey */
    --color-background-cbg: #FFFFFF; /* White */
    --color-background-section-cbg: #EBF4F8; /* Very Light Calming Blue-Grey */
    --color-primary-accent-cbg: #004080; /* Calm, Trustworthy Dark Blue */
    --color-secondary-accent-cbg: #4CAF50; /* Reassuring Green */
    --color-border-cbg: #D8E1E8; /* Softer border color */
    
    /* System font stack for maximum performance */
    --font-family-cbg: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    
    --container-max-width-cbg: 1100px;
    --spacing-base-cbg: 1rem; /* Approx 16px */
    --border-radius-cbg: 4px; /* Slightly soft corners */
}

/* --- Global Resets & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; line-height: 1.65; }
body {
    font-family: var(--font-family-cbg);
    color: var(--color-text-cbg);
    background-color: var(--color-background-cbg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

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

/* Accessibility: Skip Link */
.skip-link-tpc { position: absolute; transform: translateY(-200%); left: 0.5rem; background: var(--color-secondary-accent-cbg); color: var(--color-background-cbg); padding: 0.6em 1.2em; z-index: 10001; text-decoration: none; transition: transform 0.3s ease-out; border-radius: 0 0 var(--border-radius-cbg) 0; font-weight: 600; }
.skip-link-tpc:focus { transform: translateY(0.5rem); }

/* Accessibility: Focus Styles */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 3px solid var(--color-secondary-accent-cbg);
    outline-offset: 2px;
}

/* --- Typography --- */
h1, h2, h3, .logo-text-tpc { 
    font-family: var(--font-family-cbg); 
    font-weight: 700; 
    line-height: 1.25;
    color: var(--color-primary-accent-cbg); /* Dark Blue for headings */
}
h1 { font-size: clamp(2rem, 5vw, 2.7rem); margin-bottom: var(--spacing-base-cbg); }
h2 { font-size: clamp(1.7rem, 4vw, 2.2rem); margin-bottom: calc(var(--spacing-base-cbg) * 2); text-align: center; }
h3 { font-size: clamp(1.25rem, 3.2vw, 1.4rem); margin-bottom: calc(var(--spacing-base-cbg) * 0.7); color: var(--color-primary-accent-cbg); font-weight: 600;}

/* --- Header --- */
.site-header-tpc { 
    background-color: var(--color-background-cbg); 
    padding: calc(var(--spacing-base-cbg) * 1) 0;
    border-bottom: 2px solid var(--color-primary-accent-cbg); /* Dark Blue border */
}
.header-grid-tpc { display: flex; justify-content: space-between; align-items: center; } 
.logo-text-tpc { font-size: clamp(1.5rem, 4vw, 1.75rem); color: var(--color-primary-accent-cbg); text-decoration: none; font-weight: 700;}
.header-phone-tpc { font-size: clamp(1rem, 2.8vw, 1.15rem); font-weight: 600; color: var(--color-secondary-accent-cbg); text-decoration: none; }
.header-phone-tpc:hover { color: #3A8C40; /* Darker Green */ }

/* --- Hero Section --- */
.hero-tpc { 
    background-color: var(--color-primary-accent-cbg); /* Dark Blue hero */
    color: var(--color-background-cbg); /* White text */
    padding: calc(var(--spacing-base-cbg) * 3.5) 0; 
    text-align: center;
}
.hero-tpc h1 { color: var(--color-background-cbg); }
.hero-subtitle-tpc { font-size: clamp(1.1rem, 3vw, 1.25rem); margin-bottom: calc(var(--spacing-base-cbg) * 1.8); max-width: 700px; margin-left: auto; margin-right: auto; opacity: 0.9; line-height: 1.6; }
.hero-problem-tpc, .hero-solution-tpc { font-size: clamp(1rem, 2.8vw, 1.1rem); line-height: 1.7; max-width: 680px; margin: 0 auto calc(var(--spacing-base-cbg) * 1.5) auto; }
.hero-solution-tpc strong { color: var(--color-background-cbg); font-weight: 600; border-bottom: 2px solid var(--color-secondary-accent-cbg); padding-bottom: 2px;} /* Green underline */
.hero-actions-tpc { margin-top: calc(var(--spacing-base-cbg) * 2); }

/* --- Buttons --- */
.button-tpc { 
    display: inline-block;
    padding: calc(var(--spacing-base-cbg) * 0.8) calc(var(--spacing-base-cbg) * 1.8); 
    text-decoration: none;
    border-radius: var(--border-radius-cbg);
    font-weight: 600; 
    font-family: var(--font-family-cbg);
    transition: all 0.2s ease-in-out;
    cursor: pointer;
    border: 2px solid transparent;
    font-size: clamp(0.95rem, 2.5vw, 1.05rem);
    text-align: center;
    letter-spacing: 0.2px;
}
.button-accent-tpc { 
    background-color: var(--color-secondary-accent-cbg); /* Green button */
    color: var(--color-background-cbg); 
    border-color: var(--color-secondary-accent-cbg);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.button-accent-tpc:hover, .button-accent-tpc:focus {
    background-color: #3A8C40; /* Darker Green */
    border-color: #3A8C40;
    color: var(--color-background-cbg);
    transform: translateY(-1px);
}
.button-secondary-tpc { 
    background-color: transparent;
    color: var(--color-secondary-accent-cbg); /* Green text */
    border-color: var(--color-secondary-accent-cbg); /* Green border */
}
.button-secondary-tpc:hover, .button-secondary-tpc:focus {
    background-color: var(--color-secondary-accent-cbg);
    color: var(--color-background-cbg);
}

/* --- Services Section --- */
.services-tpc { padding: calc(var(--spacing-base-cbg) * 3.5) 0; background-color: var(--color-background-section-cbg); } 
.services-tpc h2 { color: var(--color-primary-accent-cbg); } 
.services-layout-tpc { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: calc(var(--spacing-base-cbg) * 1.5); } 
.service-block-tpc { 
    background-color: var(--color-background-cbg); 
    padding: calc(var(--spacing-base-cbg) * 1.5);
    border: 1px solid var(--color-border-cbg);
    border-radius: var(--border-radius-cbg);
    box-shadow: 0 3px 6px rgba(0,0,0,0.05);
}
.service-block-tpc h3 { color: var(--color-primary-accent-cbg); }
.service-block-tpc p { font-size: clamp(0.9rem, 2.5vw, 0.95rem); line-height: 1.65; }

/* --- Why Choose Us Section --- */
.why-choose-tpc { padding: calc(var(--spacing-base-cbg) * 3.5) 0; background-color: var(--color-background-cbg); } 
.why-choose-tpc h2 { color: var(--color-primary-accent-cbg); }
.benefits-grid-tpc { 
    list-style: none; padding: 0; 
    display: grid; grid-template-columns: 1fr; 
    gap: calc(var(--spacing-base-cbg) * 0.75); 
    margin-bottom: calc(var(--spacing-base-cbg) * 2);
    max-width: 700px; margin-left: auto; margin-right: auto;
}
.benefits-grid-tpc li {
    font-size: clamp(0.95rem, 2.8vw, 1.05rem); 
    color: var(--color-text-cbg); 
    padding: calc(var(--spacing-base-cbg) * 0.8);
    background-color: var(--color-background-section-cbg); /* Light blue-grey background for list items */
    border-left: 4px solid var(--color-primary-accent-cbg); /* Blue accent */
    border-radius: var(--border-radius-cbg);
}
.why-cta-tpc { text-align: center; } 

/* --- Feature Visual Section --- */
.feature-visual-tpc { padding: calc(var(--spacing-base-cbg) * 3) 0; background-color: var(--color-background-section-cbg); } 
.feature-content-tpc { 
    display: flex; 
    flex-wrap: wrap; 
    align-items: center; 
    gap: calc(var(--spacing-base-cbg) * 2);
    background-color: var(--color-background-cbg);
    padding: calc(var(--spacing-base-cbg) * 1.5);
    border: 1px solid var(--color-border-cbg);
    border-radius: var(--border-radius-cbg);
}
.feature-img-tpc {
    display: block;
    max-width: 100%;
    height: auto;
    width: 100%; 
    max-width: 220px; 
    border-radius: var(--border-radius-cbg);
    border: 1px solid var(--color-border-cbg); /* Subtle border for image */
    margin-right: var(--spacing-base-cbg);
}
.feature-text-tpc { flex: 1; min-width: 250px; }
.feature-text-tpc h3 { color: var(--color-secondary-accent-cbg); margin-bottom: calc(var(--spacing-base-cbg)*0.5); } /* Green accent for this heading */
.feature-text-tpc p { margin-bottom: var(--spacing-base-cbg); font-size: 0.95rem; }


/* --- Footer --- */
.site-footer-tpc { 
    background-color: var(--color-primary-accent-cbg); /* Dark Blue footer */
    color: var(--color-background-cbg); /* White text */
    text-align: center;
    padding: calc(var(--spacing-base-cbg) * 2) 0;
    margin-top: auto; 
}
.site-footer-tpc p { margin-bottom: calc(var(--spacing-base-cbg) * 0.4); font-size: clamp(0.85rem, 2.2vw, 0.9rem); opacity: 0.9;}
.footer-link-tpc { color: var(--color-secondary-accent-cbg); text-decoration: none; font-weight: 600; } 
.footer-link-tpc:hover { text-decoration: underline; }
.footer-secondary-tpc { margin-top: var(--spacing-base-cbg); } 
.footer-subtle-link-tpc { 
    font-size: 0.8rem;
    color: var(--color-border-cbg); 
    text-decoration: none;
    opacity: 0.8;
}
.footer-subtle-link-tpc:hover { opacity: 1; text-decoration: underline; }


/* --- Sticky CTA for Mobile --- */
.sticky-cta-tpc-mobile { 
    display: none; position: fixed; bottom: 0; left: 0; width: 100%;
    background-color: var(--color-secondary-accent-cbg); color: var(--color-background-cbg); text-align: center;
    padding: calc(var(--spacing-base-cbg) * 0.9) 0; font-size: clamp(1rem, 3vw, 1.15rem); font-weight: 700;
    text-decoration: none; z-index: 1000; box-shadow: 0 -2px 6px rgba(0,0,0,0.15);
}

/* --- Responsive Design Adjustments --- */
@media (max-width: 767px) {
    .header-grid-tpc { flex-direction: column; text-align: center;} 
    .logo-text-tpc { margin-bottom: calc(var(--spacing-base-cbg) * 0.6); }
    .sticky-cta-tpc-mobile { display: block; }
    body { padding-bottom: 60px; } 
    h1 { font-size: clamp(1.9rem, 5vw, 2.3rem); }
    h2 { font-size: clamp(1.6rem, 4vw, 1.9rem); }
    .feature-content-tpc { flex-direction: column; text-align: center; } 
    .feature-img-tpc { margin-bottom: var(--spacing-base-cbg); margin-right: 0; }
}

@media (min-width: 768px) {
    .benefits-grid-tpc { 
        grid-template-columns: repeat(2, 1fr); /* Two columns for benefits on larger screens */
        gap: var(--spacing-base-cbg) * 1.2;
    }
}