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

:root {
    --primary-color: #1a2a3a;
    --secondary-color: #2e86c1;
    --accent-color: #d4a843;
    --text-color: #333;
    --light-bg: #f5f5f5;
    --white: #ffffff;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --dark-bg: #0f1a24;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary-color);
    color: var(--white);
    padding: 10px 20px;
    z-index: 10000;
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 5px 5px;
}

.skip-link:focus {
    top: 0;
}

/* Navigation */
.navbar {
    background-color: var(--primary-color);
    padding: 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.nav-brand {
    color: var(--white);
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    font-weight: 300;
    text-decoration: none;
    letter-spacing: 3px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 2px solid var(--accent-color);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 2px;
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0;
    align-items: center;
    height: 100%;
}

.nav-menu li {
    height: 100%;
    display: flex;
    align-items: center;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 1px;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    transition: background-color 0.3s ease;
}

.nav-menu a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-cta {
    background-color: var(--accent-color) !important;
    color: var(--primary-color) !important;
    font-weight: 700 !important;
}

.nav-cta:hover {
    background-color: #c49a38 !important;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Top Bar CTA */
.top-bar {
    background-color: var(--secondary-color);
    text-align: center;
    padding: 12px 20px;
    margin-top: 70px;
}

.top-bar-cta {
    color: var(--white);
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 2px;
    transition: opacity 0.3s ease;
}

.top-bar-cta:hover {
    opacity: 0.85;
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, #1a2a3a 0%, #2e4a62 50%, #1a2a3a 100%);
    color: var(--white);
    padding: 120px 20px 120px;
    text-align: center;
    overflow: hidden;
}

.hero-overlay {
    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"><rect fill="%231a2a3a"/><polygon fill="%23243848" points="0,600 400,200 800,500 1200,150 1200,600"/><polygon fill="%231e3040" opacity="0.5" points="0,600 300,300 600,450 900,200 1200,400 1200,600"/></svg>') center/cover no-repeat;
    opacity: 0.3;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-bottom: 1.5rem;
}

.hero-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    border: 3px solid var(--accent-color);
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 2.8rem;
    letter-spacing: 5px;
    color: var(--accent-color);
}

.hero-brand-text {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: 8px;
    text-transform: uppercase;
}

.hero-divider {
    width: 60px;
    height: 2px;
    background-color: var(--accent-color);
    margin: 0 auto 1.5rem;
}

.hero-tagline {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.hero-subtitle {
    font-size: 1.05rem;
    margin-bottom: 2.5rem;
    font-weight: 300;
    letter-spacing: 2px;
    opacity: 0.8;
    line-height: 1.8;
}

.btn-primary {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 15px 45px;
    text-decoration: none;
    border-radius: 3px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 1px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.25);
    background-color: #c49a38;
}

.btn-large {
    padding: 18px 55px;
    font-size: 1.1rem;
}

/* Services Section */
.services {
    padding: 80px 20px;
    background-color: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--secondary-color);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.section-header h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    color: var(--primary-color);
    font-weight: 800;
}

.service-detail {
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--light-gray);
}

.service-detail:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.service-detail h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 700;
}

.service-detail p {
    color: var(--text-color);
    line-height: 1.9;
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.service-detail p:last-child {
    margin-bottom: 0;
}

/* Why Choose Section */
.why-choose {
    padding: 80px 20px;
    background-color: var(--light-bg);
}

.why-choose h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-weight: 800;
    text-align: center;
}

.why-intro {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.project-types {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 35px 0;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.project-type {
    background: var(--white);
    padding: 25px 15px;
    text-align: center;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    color: var(--primary-color);
    border-radius: 5px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-type:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #1a6fa0 100%);
    padding: 70px 20px;
    text-align: center;
}

.cta-section h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 2rem;
    font-weight: 800;
}

/* Contact Section */
.contact {
    padding: 80px 20px;
    background-color: var(--white);
}

.contact h2 {
    text-align: center;
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-weight: 800;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 700;
}

.contact-credentials {
    font-size: 0.9rem;
    color: var(--gray);
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.contact-phone a {
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
}

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

.contact-address {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-top: 0.8rem;
    line-height: 1.6;
}

.contact-area {
    font-size: 1rem;
    color: var(--gray);
    margin-top: 0.5rem;
}

.contact-form-container h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 14px 16px;
    border: 2px solid var(--light-gray);
    border-radius: 3px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
    background-color: var(--light-bg);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    background-color: var(--white);
}

.contact-form textarea {
    resize: vertical;
    min-height: 140px;
}

.contact-form .btn-primary {
    align-self: flex-start;
}

/* Footer */
.footer {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 50px 20px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    font-family: 'Montserrat', sans-serif;
    font-weight: 300;
    font-size: 1.2rem;
    margin-bottom: 8px;
    letter-spacing: 3px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
}

.footer-brand .brand-mark {
    width: 32px;
    height: 32px;
    font-size: 0.85rem;
    border-width: 1.5px;
}

.footer-info p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    gap: 25px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-brand-text {
        font-size: 1.6rem;
        letter-spacing: 6px;
    }

    .hero-mark {
        width: 80px;
        height: 80px;
        font-size: 2.2rem;
    }

    .project-types {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
        align-items: center;
    }

    .footer-brand {
        justify-content: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

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

    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--primary-color);
        flex-direction: column;
        padding: 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
    }

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

    .nav-menu li {
        height: auto;
    }

    .nav-menu a {
        padding: 15px 20px;
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .hero-brand-text {
        font-size: 1.3rem;
        letter-spacing: 4px;
    }

    .hero-mark {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
    }

    .hero-tagline {
        font-size: 0.9rem;
        letter-spacing: 3px;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .section-header h2,
    .why-choose h2,
    .cta-section h2,
    .contact h2 {
        font-size: 1.8rem;
    }

    .service-detail h3 {
        font-size: 1.3rem;
    }

    .project-types {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .btn-large {
        padding: 15px 35px;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .nav-brand {
        font-size: 0.9rem;
        letter-spacing: 2px;
        gap: 6px;
    }

    .brand-mark {
        width: 32px;
        height: 32px;
        font-size: 0.85rem;
    }

    .hero {
        padding: 80px 20px;
    }

    .hero-brand-text {
        font-size: 1.1rem;
        letter-spacing: 3px;
    }

    .hero-mark {
        width: 55px;
        height: 55px;
        font-size: 1.3rem;
        letter-spacing: 3px;
    }

    .top-bar-cta {
        font-size: 0.8rem;
        letter-spacing: 1px;
    }

    .project-types {
        grid-template-columns: 1fr 1fr;
    }

    .project-type {
        padding: 18px 10px;
        font-size: 0.85rem;
    }

    .btn-primary {
        padding: 12px 30px;
        font-size: 0.9rem;
    }
}