/* VARIABLES - ARCHITECTURAL LUXURY THEME */
:root {
    --primary-green: #244B3C;
    --secondary-emerald: #183A30;
    --accent-gold: #C5A46D;
    --highlight-sage: #A8B9A7;
    --bg-warm-white: #FAF9F5;
    --bg-stone: #EAE6DC;
    --card-white: #FFFFFF;
    --text-graphite: #252927;
    --text-muted: #777A73;
    --border-stone: #E3E1D9;
    --dark-charcoal: #171D1A;
    --gradient-cta: linear-gradient(135deg, #244B3C 0%, #39705A 100%);
    --shadow-soft: 0 10px 30px rgba(36, 75, 60, 0.08);
    --shadow-hover: 0 15px 40px rgba(36, 75, 60, 0.15);
    --font-main: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-serif: 'Georgia', serif;
}

/* RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-warm-white);
    color: var(--text-graphite);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--primary-green);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p { margin-bottom: 1rem; color: var(--text-muted); }
a { text-decoration: none; transition: all 0.3s ease; }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section { padding: 80px 0; }
.bg-stone { background-color: var(--bg-stone); }

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-cta);
    color: white;
    box-shadow: 0 4px 15px rgba(36, 75, 60, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(36, 75, 60, 0.4);
}

.btn-gold {
    background-color: var(--accent-gold);
    color: var(--dark-charcoal);
}

.btn-gold:hover {
    background-color: #d4b47d;
}

.btn-outline {
    border: 2px solid var(--primary-green);
    color: var(--primary-green);
    margin-left: 10px;
}

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

.full-width { width: 100%; }
.mt-2 { margin-top: 1rem; }

/* NAVIGATION */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-stone);
    padding: 15px 0;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-green);
    line-height: 1.1;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 20px;
    height: 20px;
    background: var(--accent-gold);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.logo-sub {
    font-size: 0.8rem;
    color: var(--accent-gold);
    font-family: var(--font-main);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-graphite);
    font-weight: 500;
    font-size: 0.95rem;
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary-green);
    margin: 5px 0;
}

/* HERO SECTION */
.hero {
    padding-top: 140px;
    padding-bottom: 80px;
    position: relative;
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.arch-bg-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-stone) 0%, var(--bg-warm-white) 100%);
    z-index: -1;
    clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.badge {
    display: inline-block;
    background: rgba(197, 164, 109, 0.2);
    color: var(--primary-green);
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.hero-text h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--dark-charcoal);
}

.hero-text p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 500px;
}

/* CSS BUILDING ILLUSTRATION */
.css-building {
    width: 100%;
    height: 400px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.b-floor {
    width: 200px;
    background: var(--primary-green);
    margin-bottom: 5px;
    position: relative;
    opacity: 0.9;
}

.f1 { height: 80px; width: 240px; background: var(--secondary-emerald); }
.f2 { height: 100px; width: 200px; background: var(--primary-green); }
.f3 { height: 120px; width: 160px; background: var(--highlight-sage); }

.b-accent {
    position: absolute;
    bottom: 0;
    right: 20%;
    width: 10px;
    height: 300px;
    background: var(--accent-gold);
}

/* SERVICES GRID */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: var(--card-white);
    padding: 40px 30px;
    border: 1px solid var(--border-stone);
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-gold);
}

.icon-box {
    width: 50px;
    height: 50px;
    background: var(--bg-stone);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--primary-green);
}

.icon-box svg { width: 24px; height: 24px; }

.feature-list {
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.feature-list li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--accent-gold);
    border-radius: 50%;
}

.dark-card {
    background: var(--primary-green);
    color: white;
}

.dark-card h3, .dark-card p, .dark-card .feature-list {
    color: white;
}

.dark-card .icon-box {
    background: rgba(255,255,255,0.1);
    color: var(--accent-gold);
}

.gold-icon svg { stroke: var(--accent-gold); }

/* DARK SECTION & WALL ART */
.dark-section {
    background: var(--dark-charcoal);
    color: white;
}

.dark-section h2 { color: var(--accent-gold); }
.dark-section p { color: #ccc; }

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.stat-grid {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.stat-item h4 {
    color: var(--accent-gold);
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.css-wall-art {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    height: 300px;
}

.panel {
    background: var(--primary-green);
    opacity: 0.8;
}

.p1 { grid-column: 1 / 3; height: 60%; background: var(--secondary-emerald); }
.p2 { background: var(--accent-gold); }
.p3 { background: var(--highlight-sage); }

/* TIMELINE */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 50px auto 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-stone);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 40px;
}

.marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background: var(--card-white);
    border: 2px solid var(--accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--primary-green);
    z-index: 2;
}

.content {
    background: var(--card-white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
}

/* ARTICLE STYLES */
.article-container {
    max-width: 800px;
}

.article-header {
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-stone);
    padding-bottom: 20px;
}

.article-body h2 {
    margin-top: 40px;
    font-size: 1.8rem;
}

.article-body h3 {
    margin-top: 30px;
    font-size: 1.4rem;
    color: var(--secondary-emerald);
}

.article-body ul, .article-body ol {
    margin-left: 20px;
    margin-bottom: 20px;
    color: var(--text-muted);
}

.article-body li { margin-bottom: 10px; }

.article-body a {
    color: var(--primary-green);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: var(--accent-gold);
}

.faq-preview {
    background: var(--bg-stone);
    padding: 20px;
    border-left: 4px solid var(--accent-gold);
    margin: 20px 0;
}

/* ACCORDION */
.accordion-item {
    background: var(--card-white);
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.accordion-header {
    width: 100%;
    padding: 20px;
    text-align: left;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-green);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-header::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--accent-gold);
}

.accordion-header.active::after {
    content: '-';
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 20px;
}

.accordion-content p {
    padding-bottom: 20px;
}

/* CONTACT SECTION */
.contact-section {
    background: var(--dark-charcoal);
    color: white;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2 { color: var(--accent-gold); }
.contact-info p { color: #ccc; }

.info-item {
    margin-top: 20px;
    border-left: 2px solid var(--accent-gold);
    padding-left: 15px;
}

.info-item h4 { color: white; margin-bottom: 5px; }

.contact-form-container {
    background: var(--card-white);
    padding: 40px;
    border-radius: 8px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-graphite);
    font-weight: 600;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-stone);
    border-radius: 4px;
    font-family: inherit;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
}

.form-feedback {
    margin-top: 10px;
    font-size: 0.9rem;
    color: var(--primary-green);
}

/* FOOTER */
footer {
    background: var(--secondary-emerald);
    color: white;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: var(--accent-gold);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-col ul li { margin-bottom: 10px; }
.footer-col a { color: #ccc; }
.footer-col a:hover { color: var(--accent-gold); }

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    font-size: 0.9rem;
    color: #aaa;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .nav-links, .nav-cta { display: none; }
    .hamburger { display: block; }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }

    .hero-content, .split-layout, .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .hero-text h1 { font-size: 2rem; }
    
    .arch-bg-pattern {
        width: 100%;
        height: 300px;
        clip-path: none;
        top: auto;
        bottom: 0;
        opacity: 0.5;
    }
    
    .hero { padding-top: 100px; flex-direction: column; }
    .hero-visual { display: none; }
}