/* ApexCraft Builders - Core Styles */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;800&family=Open+Sans:wght@400;600&display=swap');

:root {
    --primary-color: #1a252f;
    --secondary-color: #c0a32b; /* Metallic Gold */
    --accent-color: #e74c3c;
    --text-color: #333333;
    --bg-light: #f9f9f9;
    --bg-white: #ffffff;
    --footer-bg: #111820;
    --transition: all 0.3s ease;
    --shadow: 0 5px 15px rgba(0,0,0,0.1);
    --border-radius: 4px;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

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

.section-padding {
    padding: 80px 0;
}

.text-center {
    text-align: center;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--secondary-color);
    color: #fff;
    font-weight: 600;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: var(--transition);
}

.btn:hover {
    background-color: #a88d20;
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background-color: var(--secondary-color);
    color: #fff;
}

/* --- Header --- */
header {
    background-color: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    height: 80px;
    display: flex;
    align-items: center;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-color);
    font-family: 'Montserrat', sans-serif;
}

.logo span {
    color: var(--secondary-color);
}

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

.nav-links a {
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(26, 37, 47, 0.8), rgba(26, 37, 47, 0.7)), url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') no-repeat center center/cover;
    display: flex;
    align-items: center;
    text-align: center;
    color: #fff;
    padding-top: 80px; /* Account for fixed header */
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: #fff;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards 0.5s;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards 0.8s;
}

.hero-content .btn {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards 1.1s;
}

/* --- Animated Stats --- */
.stats {
    background-color: var(--secondary-color);
    color: #fff;
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 5px;
}

.stat-item p {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

/* --- Services Preview --- */
.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background-color: var(--secondary-color);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border-bottom: 3px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    border-bottom-color: var(--secondary-color);
}

.service-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* --- Featured Projects --- */
.projects-slider-container {
    position: relative;
    overflow: hidden;
    max-width: 1000px;
    margin: 0 auto;
}

.projects-slider {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.project-slide {
    min-width: 100%;
    position: relative;
}

.project-image {
    height: 500px;
    width: 100%;
    background-color: #ddd;
    background-size: cover;
    background-position: center;
    border-radius: var(--border-radius);
}

.project-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(26, 37, 47, 0.9);
    color: #fff;
    padding: 20px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.project-slide:hover .project-info {
    transform: translateY(0);
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.8);
    color: var(--primary-color);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.slider-btn:hover {
    background: var(--secondary-color);
    color: #fff;
}

.prev-btn { left: 20px; }
.next-btn { right: 20px; }

/* --- About Page --- */
.about-hero {
    height: 50vh;
    background: linear-gradient(rgba(26, 37, 47, 0.8), rgba(26, 37, 47, 0.8)), url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    padding-top: 80px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.team-member {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    text-align: center;
}

.member-img {
    height: 300px;
    background-color: #ccc;
    background-size: cover;
    background-position: center;
}

.member-info {
    padding: 20px;
}

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

.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--secondary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    top: 15px;
    background-color: var(--bg-white);
    border: 4px solid var(--secondary-color);
    border-radius: 50%;
    z-index: 1;
}

.left { left: 0; }
.right { left: 50%; }
.right::after { left: -10px; }

.timeline-content {
    padding: 20px;
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* --- Projects Page --- */
.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 8px 20px;
    border: 1px solid #ddd;
    background: transparent;
    cursor: pointer;
    border-radius: 20px;
    font-weight: 600;
    transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    background-color: var(--secondary-color);
    color: #fff;
    border-color: var(--secondary-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.project-item {
    position: relative;
    cursor: pointer;
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 250px;
}

.project-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-item:hover img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 37, 47, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #fff;
    opacity: 0;
    transition: var(--transition);
}

.project-item:hover .project-overlay {
    opacity: 1;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.8);
}

.modal-content {
    background-color: var(--bg-white);
    margin: 10% auto;
    padding: 0;
    width: 80%;
    max-width: 800px;
    border-radius: var(--border-radius);
    position: relative;
    animation: fadeInUp 0.4s;
}

.close-modal {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    right: 20px;
    top: 10px;
    cursor: pointer;
    z-index: 10;
}

.close-modal:hover {
    color: #000;
}

.modal-body {
    display: flex;
    flex-wrap: wrap;
}

.modal-img {
    flex: 1 1 400px;
    height: 400px;
    background-size: cover;
    background-position: center;
}

.modal-text {
    flex: 1 1 300px;
    padding: 40px;
}

/* --- Services Page --- */
.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.accordion-header {
    background-color: var(--bg-white);
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
}

.accordion-header:hover {
    background-color: #f0f0f0;
}

.accordion-header.active {
    background-color: var(--secondary-color);
    color: #fff;
}

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

.accordion-content p {
    padding: 20px 0;
}

/* --- Contact Page --- */
.contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
}

.contact-info, .contact-form {
    flex: 1 1 400px;
}

.info-item {
    display: flex;
    margin-bottom: 30px;
    align-items: center;
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: var(--secondary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    font-size: 1.2rem;
}

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

.form-control {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.error-msg {
    color: var(--accent-color);
    font-size: 0.85rem;
    margin-top: 5px;
    display: none;
}

/* --- Footer --- */
footer {
    background-color: var(--footer-bg);
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: #fff;
    margin-bottom: 25px;
}

.social-links a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255,255,255,0.1);
    color: #fff;
    border-radius: 50%;
    margin-right: 10px;
    transition: var(--transition);
}

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

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

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

/* --- Animations & Utilities --- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 10px rgba(0,0,0,0.05);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        z-index: 900;
    }
    
    .nav-links.open {
        transform: translateY(0);
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .timeline::after {
        left: 31px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    
    .timeline-item::after {
        left: 21px;
    }
    
    .right { left: 0; }

    .modal-content {
        width: 95%;
        margin: 20% auto;
    }
    
    .modal-body {
        flex-direction: column;
    }
    
    .modal-img {
        height: 250px;
    }
}