:root{--color-primary: #004c6d;--color-primary-light: #0074a6;--color-primary-lighter: #e0f7fa;--color-primary-dark: #003a52;--color-secondary: #b2ebf2;--color-accent: #00acc1;--color-text-primary: #333;--color-text-secondary: #666;--color-text-light: #999;--color-text-white: #fff;--color-background: #f9f9f9;--color-background-alt: #f4f4f4;--color-white: #fff;--color-error: #d32f2f;--color-success: #388e3c;--color-warning: #f57c00;--color-border: #b2ebf2;--color-shadow: rgba(0, 0, 0, .1);--font-family-primary: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;--font-family-heading: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--font-size-4xl: 2.5rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.2;--line-height-normal: 1.6;--line-height-relaxed: 1.8;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 2.5rem;--spacing-3xl: 3rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 18px;--radius-2xl: 24px;--radius-round: 50%;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 4px 24px rgba(0, 0, 0, .08);--shadow-xl: 0 8px 32px rgba(0, 76, 109, .12);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--breakpoint-sm: 576px;--breakpoint-md: 768px;--breakpoint-lg: 992px;--breakpoint-xl: 1200px;--container-max-width: 1200px;--content-max-width: 900px;--header-height: 80px;--mobile-breakpoint: 900px;--z-index-dropdown: 100;--z-index-sticky: 200;--z-index-fixed: 300;--z-index-modal-backdrop: 400;--z-index-modal: 500;--z-index-popover: 600;--z-index-tooltip: 700}@media (prefers-color-scheme: dark){:root{--color-background: #1a1a1a;--color-background-alt: #2a2a2a;--color-text-primary: #e0e0e0;--color-text-secondary: #b0b0b0}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family-primary);line-height:var(--line-height-normal);color:var(--color-text-primary);background-color:var(--color-background);padding:0;margin:0}header{text-align:center;padding:1rem;background-color:var(--color-primary);color:var(--color-text-white)}header h1{font-size:var(--font-size-4xl);margin-bottom:var(--spacing-xs)}header p{font-size:var(--font-size-lg)}.navbar{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-sm) var(--spacing-lg);background-color:var(--color-primary);color:var(--color-text-white)}.navbar-brand{display:flex;align-items:center}.logo{max-height:120px;margin-right:var(--spacing-sm)}.brand-name{font-size:1.5rem;font-weight:700}.hamburger{display:none;font-size:1.5rem;cursor:pointer}.nav-links{list-style:none;display:flex;gap:20px}.nav-links li{position:relative}.nav-links a{color:#fff;text-decoration:none;padding:8px 12px;transition:background .3s ease}.nav-links a:hover{background-color:#fff3}section{margin:1.5rem auto;max-width:1200px;padding:0 1rem}h2,h3{margin-bottom:20px;color:#004c6d}.about-hero{background:linear-gradient(135deg,#004c6d,#0074a6);color:#fff;text-align:center;padding:3rem 1rem;margin-bottom:2rem}.about-hero h1{color:#fff;font-size:2.5rem;margin-bottom:.75rem;font-weight:700}.about-hero p{color:#e0f2fe;font-size:1.2rem;margin:0;font-weight:400}.estimate-form{max-width:700px;margin:0 auto 3rem;padding:0 1rem}.estimate-form form{display:flex;flex-direction:column;gap:1.25rem;background-color:#fff;padding:2.5rem;border-radius:12px;box-shadow:0 8px 24px #004c6d1f;border:1px solid rgba(0,116,166,.1)}.estimate-form label{font-weight:600;color:#004c6d;font-size:.95rem;margin-bottom:.4rem;display:block}.estimate-form input,.estimate-form textarea,.estimate-form select{padding:.85rem 1rem;font-size:1rem;border:2px solid #e0f2fe;border-radius:8px;background:#f8fafc;transition:all .3s ease;font-family:inherit;color:#333}.estimate-form input:focus,.estimate-form textarea:focus,.estimate-form select:focus{border-color:#0074a6;background:#fff;outline:none;box-shadow:0 0 0 3px #0074a61a}.estimate-form textarea{min-height:120px;resize:vertical}.estimate-form button{background:linear-gradient(135deg,#004c6d,#0074a6);color:#fff;border:none;cursor:pointer;transition:all .3s ease;padding:1rem;font-size:1.1rem;font-weight:700;border-radius:8px;box-shadow:0 4px 16px #004c6d33;margin-top:.5rem}.estimate-form button:hover{transform:translateY(-2px);box-shadow:0 6px 24px #004c6d4d}.estimate-form button:active{transform:translateY(0)}@media (max-width: 768px){.about-hero h1{font-size:2rem}.about-hero p{font-size:1.05rem}.estimate-form form{padding:1.75rem}}.services-list ul{list-style:none;padding:0}.services-list li{margin-bottom:24px;border-left:4px solid #004c6d;background-color:#fff;padding:16px;border-radius:6px;box-shadow:0 2px 6px #0000000a}.services-list li strong{display:block;font-size:1.2rem;margin-bottom:6px}.portfolio-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}.portfolio-item{background-color:#fff;padding:16px;border-radius:8px;box-shadow:0 2px 8px #0000000d;text-align:center}.portfolio-item img{max-width:100%;border-radius:4px;margin-bottom:12px}.portfolio-item p{font-size:1rem}footer{text-align:center;margin-top:2rem;padding:1.5rem 1rem;color:#777;font-size:.9rem;background-color:#f5f5f5}footer p{margin-bottom:0}@media (max-width: 768px){.nav-links{display:none;flex-direction:column;position:absolute;top:60px;right:20px;background-color:#004c6d;border-radius:8px;padding:10px;box-shadow:0 4px 12px #0000001a}.nav-links.active{display:flex}.hamburger{display:block}}