:root {
    --primary: #102A35;
    --secondary: #1C3B4A;
    --accent: #B88A2B;
    --accent-light: #D5A84B;
    --bg: #F5F7F8;
    --white: #FFFFFF;
    --text-primary: #14202B;
    --text-secondary: #52616D;
    --border: #D1D8DB;
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --border-radius: 6px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-stack);
    background-color: var(--bg);
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 16px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

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

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 1rem;
    font-weight: 600;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }

p, li, label, span { 
    margin-bottom: 1.5rem; 
    color: var(--text-secondary); 
}

ul, ol {
    margin-bottom: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Base structural containers */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    font-size: 0.95rem;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--secondary);
    color: var(--white);
}

.btn-accent {
    background-color: var(--accent);
    color: var(--text-primary);
}

.btn-accent:hover {
    background-color: #CBA03A;
    color: var(--text-primary);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.btn-outline-light {
    border-color: var(--white);
    color: var(--white);
}

.btn-outline-light:hover {
    background-color: var(--white);
    color: var(--primary);
    border-color: var(--white);
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--primary);
    text-decoration: underline;
    font-weight: 600;
    cursor: pointer;
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
}

.btn-text:hover {
    color: var(--accent);
}

/* Header */
.site-header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-sm);
    max-width: 1440px;
    margin: 0 auto;
}

.brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.brand:hover { color: var(--primary); }

.main-nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.main-nav a {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary);
    cursor: pointer;
    padding: 0.5rem;
}

/* Hero Section */
.hero {
    position: relative;
    background-color: var(--primary);
    color: #E6EDF2;
    overflow: hidden;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 70vh;
    align-items: center;
}

.hero-content {
    padding: var(--spacing-xl) var(--spacing-md);
    z-index: 2;
}

.hero-content h1 { color: var(--white); }
.hero-content p { color: #E6EDF2; font-size: 1.125rem; max-width: 500px; margin-bottom: 2rem; }

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    height: 100%;
    width: 100%;
    object-fit: cover;
}

/* Page Headers */
.page-header {
    background-color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.page-header h1 { margin-bottom: 0.5rem; color: var(--text-primary); }
.page-header p { max-width: 700px; margin: 0 auto; font-size: 1.125rem; color: var(--text-secondary); }

/* Sections */
.section {
    padding: var(--spacing-xl) 0;
}

.section-light { background-color: var(--white); }
.section-dark { background-color: var(--primary); color: #E6EDF2; }
.section-dark h2, .section-dark h3, .section-dark h4 { color: var(--white); }
.section-dark p, .section-dark li, .section-dark span { color: #E6EDF2; }
.section-dark a { color: #E6EDF2; }
.section-dark a:hover { color: var(--white); text-decoration: underline; }

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Grid Layouts */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-md); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-md); }

/* Service Cards */
.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(16, 42, 53, 0.08);
}

.card-img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-bottom: 1px solid var(--border);
}

.card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-body h3 { margin-bottom: 0.5rem; font-size: 1.25rem; color: var(--text-primary); }
.card-body p { flex-grow: 1; font-size: 0.95rem; margin-bottom: 1.5rem; color: var(--text-secondary); }
.card-body .btn { width: 100%; }

/* Process Section */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    counter-reset: process-counter;
}

.process-step {
    position: relative;
    padding-top: 3rem;
}

.process-step::before {
    counter-increment: process-counter;
    content: "0" counter(process-counter);
    position: absolute;
    top: 0;
    left: 0;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.process-step h3 { font-size: 1.125rem; margin-bottom: 0.5rem; color: var(--text-primary); }
.process-step p { font-size: 0.95rem; color: var(--text-secondary); }

/* Service Detail Pages Content */
.content-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

.main-content h2 { margin-top: 2rem; border-bottom: 1px solid var(--border); padding-bottom: 0.5rem; margin-bottom: 1rem; color: var(--text-primary); }
.main-content h3 { margin-top: 1.5rem; color: var(--text-primary); }
.main-content ul { margin-bottom: 1.5rem; padding-left: 1.5rem; }
.main-content li { margin-bottom: 0.5rem; color: var(--text-secondary); }
.main-content img.featured-image { width: 100%; height: 400px; object-fit: cover; border-radius: var(--border-radius); margin-bottom: 2rem; }

.sidebar .widget {
    background: var(--white);
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
}

.sidebar .widget h3 { margin-bottom: 1rem; font-size: 1.125rem; color: var(--text-primary); }
.sidebar-links { list-style: none; padding: 0; margin: 0; }
.sidebar-links li { margin-bottom: 0.5rem; border-bottom: 1px solid var(--border); padding-bottom: 0.5rem; color: var(--text-secondary); }
.sidebar-links li:last-child { margin-bottom: 0; border-bottom: none; padding-bottom: 0; }
.sidebar-links a { color: var(--text-secondary); display: block; font-size: 0.95rem; font-weight: 500; }
.sidebar-links a:hover { color: var(--primary); text-decoration: underline; }

/* Forms */
.form-group { margin-bottom: 1.5rem; }
.form-label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: var(--text-primary); }
.form-control {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    font-family: var(--font-stack);
    font-size: 1rem;
    background-color: var(--white);
    color: var(--text-primary);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.form-control::placeholder { color: #6C7A83; }
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(16, 42, 53, 0.1); }
textarea.form-control { resize: vertical; min-height: 150px; }
.form-message { display: none; padding: 1rem; background-color: #E8F5E9; border: 1px solid #A5D6A7; color: #2E7D32; border-radius: var(--border-radius); margin-top: 1rem; font-weight: 600; }

/* FAQ Accordion */
.accordion { border-top: 1px solid var(--border); }
.accordion-item { border-bottom: 1px solid var(--border); }
.accordion-header {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 1.5rem 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.accordion-header::after { content: '+'; font-size: 1.5rem; color: var(--text-primary); transition: transform 0.3s ease; }
.accordion-header[aria-expanded="true"]::after { transform: rotate(45deg); }
.accordion-content { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.accordion-content p { padding-bottom: 1.5rem; margin: 0; color: var(--text-secondary); }
.accordion-item.active .accordion-content { max-height: 500px; }

/* Projects Gallery */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1rem; }
.gallery-item { position: relative; overflow: hidden; border-radius: var(--border-radius); height: 300px; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(16, 42, 53, 0.95) 0%, rgba(16, 42, 53, 0.7) 50%, transparent 100%);
    padding: 4rem 1.5rem 1.5rem;
    pointer-events: none;
}
.gallery-caption h4 { color: var(--white); margin: 0 0 0.25rem 0; font-size: 1.25rem; text-shadow: 0 2px 4px rgba(0,0,0,0.6); }
.gallery-caption p { color: #E6EDF2; margin: 0; font-size: 0.95rem; text-shadow: 0 1px 3px rgba(0,0,0,0.6); }

/* Categories Grid */
.category-card {
    display: block;
    background: var(--white);
    border: 1px solid var(--border);
    padding: 1.5rem;
    text-align: center;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}
.category-card:hover {
    border-color: var(--primary);
    background-color: var(--primary);
}
.category-card h3 { margin: 0; font-size: 1.125rem; transition: color 0.3s ease; color: var(--text-primary); }
.category-card:hover h3 { color: var(--white); }

/* Footer */
.site-footer {
    background-color: var(--primary);
    color: #E6EDF2;
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand h2 { color: var(--white); margin-bottom: 0.5rem; }
.footer-heading { color: var(--white); font-size: 1.125rem; margin-bottom: 1.5rem; }
.footer-links { list-style: none; padding: 0; }
.footer-links li { margin-bottom: 0.75rem; color: #E6EDF2; }
.footer-links a { color: #E6EDF2; text-decoration: none; font-size: 0.95rem; }
.footer-links a:hover { color: var(--accent-light); text-decoration: none; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: #E6EDF2;
}

.footer-bottom p { color: #E6EDF2; margin: 0; }

/* Cookie Popup */
.cookie-popup {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    border-top: 2px solid var(--primary);
    padding: 1.5rem;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.cookie-popup.show { transform: translateY(0); }
.cookie-content h3 { color: var(--text-primary); margin-bottom: 0.5rem; }
.cookie-content p { margin: 0; font-size: 0.95rem; color: var(--text-secondary); }
.cookie-actions { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .content-layout { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .header-inner { position: relative; }
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }
    .main-nav.active { display: flex; }
    .main-nav a { 
        padding: 0.75rem 1rem; 
        width: 100%; 
        border-bottom: 1px solid var(--border); 
        color: var(--text-primary); 
    }
    .main-nav a:last-child { border-bottom: none; }
    .main-nav a:hover { background-color: var(--bg); color: var(--primary); }
    
    .mobile-menu-toggle { display: block; }
    
    .hero-inner { grid-template-columns: 1fr; min-height: auto; }
    .hero-image { height: 400px; }
    
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; text-align: center; gap: 1rem; }
    
    .cookie-popup { flex-direction: column; gap: 1.5rem; }
    .cookie-actions { flex-direction: column; width: 100%; align-items: stretch; }
    .cookie-actions .btn, .cookie-actions .btn-text { width: 100%; text-align: center; }
}

@media (max-width: 480px) {
    .header-actions .btn { display: none; }
    .page-header { padding: var(--spacing-lg) 0; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
}