/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #f5a623;
    --primary-dark: #e09000;
    --dark: #1a1a2e;
    --dark-2: #16213e;
    --gray-900: #222;
    --gray-700: #555;
    --gray-500: #888;
    --gray-200: #e8e8e8;
    --gray-100: #f5f5f5;
    --white: #fff;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --radius: 8px;
    --transition: 0.3s ease;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Roboto', sans-serif;
    color: var(--gray-700);
    line-height: 1.7;
    background: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Oswald', sans-serif;
    color: var(--gray-900);
    line-height: 1.3;
    font-weight: 600;
}

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

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

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

/* ===== Top Bar ===== */
.topbar {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    padding: 8px 0;
}

.topbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.topbar-left, .topbar-right {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.topbar a {
    color: rgba(255,255,255,0.7);
}

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

.topbar i {
    color: var(--primary);
    margin-right: 5px;
}

/* ===== Header ===== */
.header {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    transition: all var(--transition);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Oswald', sans-serif;
    font-size: 22px;
    color: var(--dark);
    letter-spacing: 1px;
}

.logo-icon {
    font-size: 28px;
    color: var(--primary);
}

.logo strong {
    font-weight: 700;
}

.nav {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-900);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(245, 166, 35, 0.08);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 3px;
    transition: var(--transition);
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-family: 'Oswald', sans-serif;
    font-size: 15px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245,166,35,0.35);
}

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

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

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('images/construction.jpg') center/cover no-repeat;
    text-align: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(22,33,62,0.75) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 40px 20px;
    max-width: 800px;
}

.hero-subtitle {
    color: var(--primary);
    font-family: 'Oswald', sans-serif;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 20px;
}

.hero-title {
    color: var(--white);
    font-size: clamp(36px, 6vw, 60px);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.15;
}

.hero-text {
    color: rgba(255,255,255,0.8);
    font-size: 18px;
    margin-bottom: 35px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Section Styles ===== */
.section {
    padding: 90px 0;
}

.section-gray {
    background: var(--gray-100);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    color: var(--primary);
    font-family: 'Oswald', sans-serif;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 10px;
}

.section-title {
    font-size: clamp(28px, 4vw, 40px);
    margin-bottom: 15px;
}

.section-desc {
    max-width: 650px;
    margin: 0 auto;
    color: var(--gray-500);
    font-size: 16px;
}

/* ===== About ===== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 70px;
}

.about-card {
    background: var(--white);
    padding: 40px 35px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border-top: 4px solid var(--primary);
    transition: transform var(--transition);
}

.about-card:hover {
    transform: translateY(-5px);
}

.about-icon {
    width: 60px;
    height: 60px;
    background: rgba(245,166,35,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.about-icon i {
    font-size: 24px;
    color: var(--primary);
}

.about-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

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

.team-section .section-title {
    margin-bottom: 40px;
}

.team-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.team-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    min-width: 300px;
    text-align: center;
    transition: transform var(--transition);
}

.team-card:hover {
    transform: translateY(-5px);
}

.team-avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.team-avatar i {
    font-size: 40px;
    color: var(--white);
}

.team-card h3 {
    font-size: 20px;
    margin-bottom: 5px;
}

.team-role {
    color: var(--primary);
    font-weight: 500;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 15px;
}

.team-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.team-info a {
    color: var(--gray-700);
    font-size: 14px;
}

.team-info a:hover {
    color: var(--primary);
}

.team-info i {
    color: var(--primary);
    margin-right: 8px;
    width: 16px;
}

/* ===== Services ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-bottom-color: var(--primary);
}

.service-icon {
    width: 75px;
    height: 75px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.service-icon i {
    font-size: 30px;
    color: var(--white);
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 15px;
    line-height: 1.7;
}

/* ===== Stats ===== */
.stats-section {
    position: relative;
    background: url('images/construction.jpg') center/cover no-repeat fixed;
    padding: 80px 0;
}

.stats-overlay {
    position: absolute;
    inset: 0;
    background: rgba(26,26,46,0.9);
}

.stats-section .container {
    position: relative;
    z-index: 2;
}

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

.stat-number {
    font-family: 'Oswald', sans-serif;
    font-size: 52px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 10px;
}

.stat-number::after {
    content: '+';
}

.stat-label {
    color: rgba(255,255,255,0.8);
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ===== Projects ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 25px;
}

.project-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: all var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    height: 250px;
    background: linear-gradient(135deg, var(--dark), var(--dark-2));
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image i {
    font-size: 60px;
    color: rgba(245,166,35,0.3);
    transition: var(--transition);
}

.project-card:hover .project-image i {
    color: var(--primary);
    transform: scale(1.1);
}

.project-info {
    padding: 20px 25px;
    background: var(--white);
}

.project-info h3 {
    font-size: 18px;
    margin-bottom: 5px;
}

.project-info span {
    color: var(--primary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

/* ===== Careers ===== */
.careers-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    padding: 50px 30px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.careers-icon {
    width: 80px;
    height: 80px;
    background: rgba(245,166,35,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.careers-icon i {
    font-size: 35px;
    color: var(--primary);
}

.careers-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.careers-content a {
    color: var(--primary);
    font-weight: 500;
}

.careers-content a:hover {
    text-decoration: underline;
}

/* ===== News ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

.news-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.news-image {
    height: 200px;
    background: linear-gradient(135deg, var(--dark-2), var(--dark));
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-image i {
    font-size: 50px;
    color: rgba(245,166,35,0.3);
}

.news-content {
    padding: 25px;
}

.news-date {
    font-size: 13px;
    color: var(--gray-500);
    display: block;
    margin-bottom: 10px;
}

.news-date i {
    color: var(--primary);
    margin-right: 5px;
}

.news-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-content p {
    font-size: 14px;
    color: var(--gray-500);
}

/* ===== Testimonials ===== */
.testimonials-section {
    position: relative;
    background: url('images/construction.jpg') center/cover no-repeat fixed;
    padding: 90px 0;
}

.testimonials-overlay {
    position: absolute;
    inset: 0;
    background: rgba(26,26,46,0.92);
}

.testimonials-section .container {
    position: relative;
    z-index: 2;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.testimonial-card {
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 35px;
    border-radius: var(--radius);
    transition: all var(--transition);
}

.testimonial-card:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-3px);
}

.testimonial-stars {
    margin-bottom: 15px;
}

.testimonial-stars i {
    color: var(--primary);
    font-size: 14px;
}

.testimonial-card p {
    color: rgba(255,255,255,0.8);
    font-style: italic;
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.testimonial-author strong {
    color: var(--white);
    display: block;
    font-family: 'Oswald', sans-serif;
    font-size: 16px;
}

.testimonial-author span {
    color: var(--primary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== Contact ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: start;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-family: 'Roboto', sans-serif;
    font-size: 15px;
    transition: border-color var(--transition);
    outline: none;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
}

.contact-info-card {
    background: var(--dark);
    padding: 35px;
    border-radius: var(--radius);
    margin-bottom: 20px;
}

.contact-info-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.contact-info-item:last-child {
    border-bottom: none;
}

.contact-info-icon {
    width: 45px;
    height: 45px;
    min-width: 45px;
    background: rgba(245,166,35,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-info-icon i {
    font-size: 18px;
    color: var(--primary);
}

.contact-info-item h4 {
    color: var(--white);
    font-family: 'Oswald', sans-serif;
    font-size: 15px;
    margin-bottom: 4px;
}

.contact-info-item p,
.contact-info-item a {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    line-height: 1.6;
}

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

.map-wrapper {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

/* ===== Footer ===== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
}

.footer-main {
    padding: 70px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-family: 'Oswald', sans-serif;
    font-size: 20px;
    color: var(--white);
}

.footer-logo i {
    font-size: 24px;
    color: var(--primary);
}

.footer-col p {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    color: rgba(255,255,255,0.7);
}

.footer-social a:hover {
    background: var(--primary);
    color: var(--white);
}

.footer-col h4 {
    color: var(--white);
    font-family: 'Oswald', sans-serif;
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 35px;
    height: 2px;
    background: var(--primary);
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul a {
    font-size: 14px;
    transition: all var(--transition);
}

.footer-col ul a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: 14px;
}

.footer-contact i {
    color: var(--primary);
    margin-top: 4px;
    min-width: 16px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 0;
    text-align: center;
    font-size: 14px;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(245,166,35,0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .topbar-left, .topbar-right {
        justify-content: center;
        width: 100%;
    }

    .topbar .container {
        justify-content: center;
    }

    .mobile-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        transform: translateY(-110%);
        transition: transform 0.4s ease;
        z-index: 999;
    }

    .nav.open {
        transform: translateY(0);
    }

    .nav-link {
        width: 100%;
        text-align: center;
        padding: 12px;
    }

    .hero {
        min-height: 70vh;
    }

    .hero-title {
        font-size: 32px;
    }

    .section {
        padding: 60px 0;
    }

    .services-grid,
    .projects-grid,
    .news-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

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

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 26px;
    }

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

    .btn {
        width: 100%;
        text-align: center;
    }

    .stat-number {
        font-size: 40px;
    }
}