:root {
    /* Logo Colors */
    --navy-dark: #0a1c32;
    --navy-light: #112540;
    --orange-vibrant: #e85d22;
    --orange-hover: #d14a16;
    --blue-bright: #1760a0;
    --cyan-light: #00a8e8;

    /* Neautrals */
    --white: #ffffff;
    --gray-light: #f4f7fb;
    --gray-med: #a0aec0;
    --black: #050a12;

    /* Layout */
    --nav-height: 80px;
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

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

.container-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.section-padding {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--gray-light);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--navy-dark);
    margin-bottom: 15px;
}

.title-underline {
    height: 4px;
    width: 60px;
    background: var(--orange-vibrant);
    margin-bottom: 30px;
    border-radius: 2px;
}

.title-underline.center {
    margin: 0 auto 30px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    text-decoration: none;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--orange-vibrant);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(232, 93, 34, 0.3);
}

.btn-primary:hover {
    background-color: var(--orange-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 93, 34, 0.4);
}

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

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background-color: transparent;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background-color: var(--navy-dark);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

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

.logo {
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-links a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-links a:hover {
    color: var(--orange-vibrant);
}

/* Language Switcher */
.lang-switcher {
    position: relative;
    color: var(--white);
    font-weight: 600;
    cursor: pointer;
    padding: 10px;
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border-radius: 4px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    min-width: 100px;
}

.lang-switcher:hover .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-dropdown a {
    color: var(--navy-dark) !important;
    padding: 10px 15px;
    display: block;
    text-align: left;
}

.lang-dropdown a:hover {
    background-color: var(--gray-light);
    color: var(--orange-vibrant) !important;
}

.mobile-menu-btn {
    display: none;
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    background: var(--navy-dark);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at right, rgba(23, 96, 160, 0.4) 0%, rgba(10, 28, 50, 0.9) 70%);
}

.hero-content {
    position: relative;
    z-index: 10;
    color: var(--white);
    max-width: 800px;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease forwards;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-light);
    margin-bottom: 40px;
    animation: fadeInUp 1s 0.2s ease forwards;
    opacity: 0;
}

.hero-actions {
    display: flex;
    gap: 20px;
    animation: fadeInUp 1s 0.4s ease forwards;
    opacity: 0;
}

/* Abstract Shapes */
.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 1;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: var(--cyan-light);
    top: -200px;
    right: -200px;
    opacity: 0.3;
    animation: float 8s infinite alternate;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--orange-vibrant);
    bottom: -100px;
    left: -100px;
    opacity: 0.2;
    animation: float 10s infinite alternate-reverse;
}

/* About Section */
.about-visual {
    position: relative;
    height: 100%;
    min-height: 400px;
}

.img-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.shape-accent {
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: var(--orange-vibrant);
    border-radius: 50%;
    opacity: 0.8;
}

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

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

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: var(--transition-smooth);
    border-bottom: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    border-bottom-color: var(--orange-vibrant);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--navy-dark);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    margin-bottom: 25px;
}

.service-title {
    font-size: 1.5rem;
    color: var(--navy-dark);
    margin-bottom: 15px;
}

.service-desc {
    color: var(--gray-med);
    font-size: 1rem;
}

/* Project Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.gallery-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16/10;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.gallery-card img,
.gallery-card video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.33, 1, 0.68, 1);
}

.gallery-card:hover img,
.gallery-card:hover video {
    transform: scale(1.1);
}

.gallery-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0));
    padding: 30px 20px 20px;
    color: white;
    transform: translateY(20px);
    opacity: 0;
    transition: var(--transition-smooth);
}

.gallery-card:hover .gallery-info {
    transform: translateY(0);
    opacity: 1;
}

.gallery-info h4 {
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: var(--cyan-light);
}

.gallery-info p {
    font-size: 0.95rem;
    line-height: 1.4;
    opacity: 0.9;
}

/* References */
.refs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    align-items: center;
    justify-items: center;
}

.ref-item {
    background: var(--white);
    padding: 20px 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    width: 100%;
    text-align: center;
    color: var(--navy-dark);
    font-weight: 700;
    font-size: 1.1rem;
    border: 1px solid #eee;
    transition: var(--transition-smooth);
}

.ref-item:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--blue-bright);
    color: var(--blue-bright);
    transform: translateY(-5px);
}

/* Contact Section */
.address-box {
    background: var(--gray-light);
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 30px;
    border-left: 4px solid var(--blue-bright);
}

.address-title {
    font-size: 1.25rem;
    color: var(--navy-dark);
    margin-bottom: 10px;
}

/* Form Styles */
.form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--navy-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    transition: var(--transition-smooth);
    background: #fdfdfd;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--orange-vibrant);
    box-shadow: 0 0 0 3px rgba(232, 93, 34, 0.1);
}

.captcha-group input {
    background: #f0f7ff;
    font-weight: bold;
}

.form-submit {
    width: 100%;
    padding: 16px;
    font-size: 1.1rem;
}

/* Alert */
.alert {
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-weight: 600;
}

.alert-error {
    background-color: #fee2e2;
    color: #b91c1c;
    border: 1px solid #fca5a5;
}

.alert-success {
    background-color: #d1fae5;
    color: #047857;
    border: 1px solid #6ee7b7;
}

/* Footer */
.footer {
    background: var(--navy-dark);
    padding: 60px 0 30px;
}

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

.footer-logo h3 {
    font-size: 2rem;
    margin-bottom: 5px;
}

.footer-copy {
    color: var(--gray-med);
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(30px, -30px) scale(1.1);
    }
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
    .container-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 3rem;
    }
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 15px;
    justify-content: center;
}

.footer-social a {
    color: var(--cyan-light);
    transition: var(--transition-smooth);
    opacity: 0.8;
}

.footer-social a:hover {
    color: var(--orange-vibrant);
    transform: translateY(-3px);
    opacity: 1;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--orange-vibrant);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(232, 93, 34, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-smooth);
    z-index: 999;
    text-decoration: none;
}

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

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--nav-height));
        background: var(--navy-dark);
        flex-direction: column;
        justify-content: center;
        transition: var(--transition-smooth);
    }

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

    .mobile-menu-btn {
        display: flex;
        flex-direction: column;
        gap: 6px;
        background: none;
        border: none;
        cursor: pointer;
    }

    .mobile-menu-btn span {
        width: 30px;
        height: 2px;
        background: var(--white);
        transition: var(--transition-smooth);
    }
}