/* ============================================
   CSS Variables & Base Styles
   ============================================ */

:root {
    --primary-color: #1B2A41;
    --accent-color: #F27F3D;
    --secondary-color: #D9D9D9;
    --text-color: #111111;
    --white: #FFFFFF;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ============================================
   Navigation
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(27, 42, 65, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

.nav-brand h1 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--white);
    font-weight: 700;
}

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

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: all 0.3s ease;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #2a3f5f 100%);
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><rect fill="%231B2A41" width="1200" height="800"/><path d="M0,400 Q300,300 600,400 T1200,400 L1200,800 L0,800 Z" fill="%232a3f5f" opacity="0.3"/></svg>');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(27, 42, 65, 0.6);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 2rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--white);
    border-radius: 50%;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 600;
    border-radius: 5px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    font-family: var(--font-body);
}

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

.btn-primary:hover {
    background: #e06d2a;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(242, 127, 61, 0.4);
}

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

.btn-outline:hover {
    background: var(--secondary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: #2a3f5f;
    transform: translateY(-2px);
}

/* ============================================
   About Preview Section
   ============================================ */

.about-preview {
    padding: 100px 0;
    background: var(--white);
}

.about-preview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-preview-image {
    position: relative;
}

.about-preview-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    color: var(--text-color);
    font-style: italic;
    text-align: center;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-preview-text h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.about-preview-text p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-color);
    line-height: 1.8;
}

/* ============================================
   Featured Services
   ============================================ */

.featured-services {
    padding: 100px 0;
    background: var(--secondary-color);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

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

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.service-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

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

.service-card p {
    color: var(--text-color);
    line-height: 1.6;
}

/* ============================================
   Page Header (for inner pages)
   ============================================ */

.page-header {
    position: relative;
    height: 60vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #2a3f5f 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    margin-top: 80px;
}

.page-header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(27, 42, 65, 0.7);
}

.page-header-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
}

.page-header-content h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.page-header-content p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* ============================================
   Timeline Section
   ============================================ */

.timeline-section {
    padding: 100px 0;
    background: var(--white);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

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

.timeline-item {
    display: flex;
    margin-bottom: 4rem;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-year {
    width: 120px;
    height: 120px;
    background: var(--accent-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
    margin: 0 2rem;
}

.timeline-content {
    flex: 1;
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
}

.timeline-content h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.timeline-content p {
    color: var(--text-color);
    line-height: 1.6;
}

/* ============================================
   Mission Section
   ============================================ */

.mission-section {
    padding: 100px 0;
    background: var(--secondary-color);
    text-align: center;
}

.mission-text {
    font-size: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-color);
    line-height: 1.8;
    font-style: italic;
}

/* ============================================
   Team Section
   ============================================ */

.team-section {
    padding: 100px 0;
    background: var(--white);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.team-member {
    text-align: center;
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-10px);
}

.team-photo {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.team-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-placeholder {
    width: 100%;
    height: 100%;
    background: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    font-weight: 600;
}

.team-member h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.team-role {
    color: var(--accent-color);
    font-weight: 600;
}

/* ============================================
   Services Detail Page
   ============================================ */

.services-detail {
    padding: 100px 0;
    background: var(--white);
}

.service-detail-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 5rem;
}

.service-detail-card.reverse {
    direction: rtl;
}

.service-detail-card.reverse > * {
    direction: ltr;
}

.service-detail-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.service-detail-image .image-placeholder {
    height: 400px;
}

.service-detail-content h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.service-detail-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-color);
    line-height: 1.8;
}

/* ============================================
   Projects Gallery
   ============================================ */

.projects-gallery {
    padding: 100px 0;
    background: var(--white);
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--white);
    border: 2px solid var(--secondary-color);
    color: var(--text-color);
    font-family: var(--font-body);
    font-size: 1rem;
    cursor: pointer;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-color);
    color: var(--white);
    border-color: var(--accent-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.project-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    aspect-ratio: 4/3;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.project-image {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

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

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

.project-image .image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    font-weight: 600;
    transition: transform 0.5s ease;
}

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

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(27, 42, 65, 0.95), transparent);
    color: var(--white);
    padding: 2rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.project-item:hover .project-overlay {
    transform: translateY(0);
}

.project-overlay h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.project-overlay p {
    opacity: 0.9;
}

.project-item.hidden {
    display: none;
}

/* ============================================
   Contact Section
   ============================================ */

.contact-section {
    padding: 100px 0;
    background: var(--white);
}

.contact-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.contact-intro h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.contact-intro p {
    font-size: 1.1rem;
    color: var(--text-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.contact-form-wrapper {
    background: var(--secondary-color);
    padding: 3rem;
    border-radius: 10px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    border: 2px solid var(--white);
    border-radius: 5px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.contact-details {
    display: flex;
    align-items: flex-start;
}

.contact-info-card {
    background: var(--primary-color);
    color: var(--white);
    padding: 2.5rem;
    border-radius: 10px;
    width: 100%;
}

.contact-info-card h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.contact-info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-info-item strong {
    display: block;
    margin-bottom: 0.5rem;
    font-family: var(--font-heading);
}

.contact-info-item p {
    margin: 0;
    opacity: 0.9;
}

.contact-info-item a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-info-item a:hover {
    color: var(--accent-color);
}

.map-container {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.map-container iframe {
    display: block;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    font-family: var(--font-heading);
    margin-bottom: 1rem;
}

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

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

.footer-section a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease;
}

/* ============================================
   Responsive Design
   ============================================ */

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

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--primary-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-preview-content,
    .service-detail-card {
        grid-template-columns: 1fr;
    }

    .service-detail-card.reverse {
        direction: ltr;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-item {
        flex-direction: row !important;
        padding-left: 60px;
    }

    .timeline-year {
        position: absolute;
        left: 0;
        width: 60px;
        height: 60px;
        font-size: 1rem;
        margin: 0;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .page-header-content h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
}