/* ============================================
   VARIABLES & GENERAL STYLES
   ============================================ */

:root {
    --primary-color: #2c3e50;
    --secondary-color: #e74c3c;
    --accent-color: #3498db;
    --light-bg: #ecf0f1;
    --text-color: #333;
    --text-light: #666;
    --white: #fff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

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

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: bold;
}

.logo-icon {
    font-size: 2rem;
}

.logo-image {
    height: 60px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-name {
    font-size: 1.4rem;
    color: var(--secondary-color);
    font-weight: 700;
}

.company-name {
    font-size: 0.85rem;
    color: var(--accent-color);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--secondary-color);
}

.nav-menu a:not(.cta-btn)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.cta-btn {
    background: var(--secondary-color) !important;
    padding: 0.75rem 1.5rem !important;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.cta-btn:hover {
    background: #c0392b !important;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    margin: 5px 0;
    transition: 0.3s;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: var(--white);
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="white" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="1200" height="600" fill="none"/><rect width="1200" height="600" fill="url(%23grid)"/></svg>');
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    line-height: 1.2;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    font-weight: 600;
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: #c0392b;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-large {
    padding: 1rem 3rem;
    font-size: 1.1rem;
}

.text-center {
    text-align: center;
    margin-top: 2rem;
}

/* ============================================
   FEATURES SECTION
   ============================================ */

.features {
    padding: 80px 0;
    background: var(--white);
}

.features h2,
.services-preview h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    background: var(--white);
    border-top: 4px solid var(--secondary-color);
}

.feature-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services-preview {
    padding: 80px 0;
    background: var(--light-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.service-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.service-item:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.05);
}

.service-item i {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.service-item:hover i {
    color: var(--accent-color);
}

.service-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.service-item p {
    color: var(--text-light);
}

.service-item:hover p {
    color: var(--white);
}

/* ============================================
   STATISTICS SECTION
   ============================================ */

.stats {
    background: linear-gradient(135deg, var(--primary-color) 0%, #34495e 100%);
    color: var(--white);
    padding: 60px 0;
}

.stats .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #c0392b 100%);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* ============================================
   TEAM MEMBER IMAGES
   ============================================ */

.member-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, #ecf0f1 0%, #d5dbdb 100%);
    border-radius: 10px 10px 0 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    margin-bottom: 1rem;
}

.member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ============================================
   PROJECT IMAGES
   ============================================ */

.project-image {
    position: relative;
    height: 250px;
    overflow: hidden;
    background: #ecf0f1;
}

.project-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.project-card:hover .project-thumbnail {
    transform: scale(1.05);
}

.placeholder-project {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #ecf0f1 0%, #d5dbdb 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: #2c3e50;
}

.placeholder-project::before {
    content: '🏗️';
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
    font-size: 1.1rem;
}

.footer-section p {
    margin-bottom: 0.5rem;
    color: #bdc3c7;
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--secondary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--secondary-color);
    border-radius: 50%;
    color: var(--white);
    font-size: 1.1rem;
}

.social-links a:hover {
    background: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #95a5a6;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--primary-color);
        gap: 1rem;
        padding: 2rem;
        display: none;
        width: 100%;
    }

    .nav-menu.active {
        display: flex;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    .features h2,
    .services-preview h2 {
        font-size: 2rem;
    }

    .cta-section h2 {
        font-size: 2rem;
    }

    .features-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }

    .stat-item h3 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .logo-text {
        display: none;
    }

    .hero {
        padding: 60px 0;
        min-height: 400px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }

    .features {
        padding: 40px 0;
    }

    .cta-section {
        padding: 40px 0;
    }

    .footer-content {
        gap: 1rem;
    }
}