/* CSS Reset and Base Styles */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #003366;
    --primary-light: #004080;
    --primary-dark: #002244;
    --accent: #ff6b35;
    --accent-light: #ff8c42;
    --secondary: #1a1a1a;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-light: #6b6b6b;
    --bg-white: #ffffff;
    --bg-gray: #f5f7fa;
    --bg-light-gray: #f9f9f9;
    --bg-dark: #0a0a0a;
    --bg-darker: #050505;
    --border: #e0e0e0;
    --border-light: #f0f0f0;
    --shadow: 0 8px 30px rgba(0, 51, 102, 0.1);
    --shadow-hover: 0 12px 40px rgba(0, 51, 102, 0.15);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.3;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

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

ul {
    list-style: none;
}

.section {
    padding: 6rem 0;
}

.section--dark {
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    color: white;
}

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

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

.section__header--light .section__title,
.section__header--light .section__subtitle {
    color: white;
}

.section__header--light .section__tag {
    color: var(--accent);
}

.section__tag {
    display: inline-block;
    color: var(--accent);
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 1rem;
    font-family: 'Montserrat', sans-serif;
}

.section__title {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
    line-height: 1.2;
}

.section__subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
    border-radius: 2px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn--primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 107, 53, 0.4);
    background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
}

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

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 2px solid rgba(255, 107, 53, 0.3);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 2rem;
    min-height: 90px;
}

.nav__logo a {
    color: white;
    font-size: 1.5rem;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 2px;
    display: block;
}

.nav__logo span {
    color: var(--accent);
}

.nav__logo-sub {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.7rem;
    margin-top: 0.25rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav__link {
    color: white;
    font-weight: 500;
    font-size: 0.9rem;
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    padding: 0.5rem 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__lang {
    display: flex;
    gap: 0.375rem;
    margin-left: 1rem;
    padding-left: 1rem;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.lang__btn {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.375rem 0.625rem;
    font-size: 0.8rem;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
    cursor: pointer;
    border-radius: 2px;
    transition: var(--transition);
}

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

.nav__toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.nav__toggle span {
    width: 28px;
    height: 2px;
    background: white;
    transition: var(--transition);
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding-top: 90px;
}

.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&h=1080&fit=crop') center/cover;
    z-index: 0;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(5, 5, 5, 0.92) 0%, rgba(0, 51, 102, 0.8) 100%);
    z-index: 1;
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero__badge {
    display: inline-block;
    background: rgba(255, 107, 53, 0.2);
    color: var(--accent);
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--accent);
    border-radius: 2px;
    font-size: 0.875rem;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease;
}

.hero__title {
    color: white;
    font-size: 3.75rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.15;
    animation: fadeInUp 1s ease 0.1s backwards;
}

.hero__subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    font-weight: 400;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero__buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.3s backwards;
}

.hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 2;
    cursor: pointer;
    animation: bounce 2s infinite;
    font-size: 0.875rem;
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* About */
.about__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.about__image {
    position: relative;
    border-radius: 2px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about__image img {
    width: 100%;
    height: 550px;
    object-fit: cover;
}

.about__image-badge {
    position: absolute;
    bottom: 2rem;
    left: 2rem;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
    color: white;
    padding: 1.5rem 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

.badge__number {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    line-height: 1;
}

.badge__text {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.25rem;
}

.about__content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--primary);
}

.about__text {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    font-size: 1rem;
}

.about__values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.value__item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-gray);
    border-left: 3px solid var(--accent);
}

.value__item i {
    color: var(--accent);
    font-size: 1.1rem;
}

.value__item span {
    font-weight: 500;
    font-size: 0.9rem;
}

/* Services */
.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service__card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2.5rem;
    position: relative;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.service__card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    background: linear-gradient(145deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 255, 255, 0.02) 100%);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.service__number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 2.5rem;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    color: rgba(255, 107, 53, 0.3);
    line-height: 1;
}

.service__card .service__title {
    color: white;
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
    margin-top: 1rem;
}

.service__desc {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
}

.service__list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.service__list li {
    color: rgba(255, 255, 255, 0.7);
    padding-left: 1.25rem;
    position: relative;
    font-size: 0.9rem;
}

.service__list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* Projects */
.projects__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.projects__card {
    text-align: center;
    padding: 2.5rem;
    background: white;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.projects__card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.projects__icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 140, 66, 0.1) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.projects__icon i {
    font-size: 2rem;
    color: var(--accent);
}

.projects__card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--primary);
}

.projects__card p {
    color: var(--text-secondary);
}

.projects__cta {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.05) 0%, rgba(255, 107, 53, 0.05) 100%);
    border-left: 4px solid var(--accent);
}

.projects__cta p {
    font-size: 1.05rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Contact */
.contact__wrapper {
    display: grid;
    gap: 3rem;
}

.contact__info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.contact__card {
    background: white;
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.contact__card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow);
}

.contact__card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.contact__card-icon i {
    color: white;
    font-size: 1.3rem;
}

.contact__card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
    font-weight: 700;
}

.contact__card p {
    color: var(--text-secondary);
}

.contact__form-container {
    background: white;
    padding: 3rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form__group {
    margin-bottom: 1.25rem;
}

.form__input,
.form__textarea {
    width: 100%;
    padding: 1rem;
    font-family: 'Roboto', sans-serif;
    font-size: 0.95rem;
    border: 1px solid var(--border);
    border-radius: 2px;
    transition: var(--transition);
    background: white;
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form__textarea {
    resize: vertical;
    min-height: 150px;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    color: white;
    padding: 3rem 0 1.5rem;
    border-top: 2px solid rgba(255, 107, 53, 0.3);
}

.footer__main {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 1.5rem;
}

.footer__brand h3 {
    font-size: 1.8rem;
    margin-bottom: 0.25rem;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 2px;
}

.footer__brand span {
    color: var(--accent);
}

.footer__brand-sub {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer__desc {
    color: rgba(255, 255, 255, 0.8);
}

.footer__links h4,
.footer__contact h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: white;
    font-family: 'Montserrat', sans-serif;
}

.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer__links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.footer__contact p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer__contact i {
    color: var(--accent);
    width: 20px;
}

.footer__bottom {
    text-align: center;
}

.footer__bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    margin-bottom: 0.375rem;
}

.footer__reg {
    font-size: 0.8rem !important;
}

/* Responsive */
@media (max-width: 968px) {
    .about__grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer__main {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav__toggle {
        display: flex;
    }
    
    .nav__menu {
        position: absolute;
        top: 90px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.98);
        gap: 0;
        display: none;
        border-top: 1px solid rgba(255, 107, 53, 0.3);
    }
    
    .nav__menu.active {
        display: flex;
    }
    
    .nav__item {
        width: 100%;
        text-align: center;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
    }
    
    .nav__link {
        display: block;
        padding: 1rem;
    }
    
    .nav__link::after {
        display: none;
    }
    
    .nav__lang {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        justify-content: center;
        padding: 1rem;
        gap: 0.5rem;
    }
    
    .hero__title {
        font-size: 2.75rem;
    }
    
    .hero__subtitle {
        font-size: 1.1rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .section__title {
        font-size: 2.25rem;
    }
    
    .services__grid {
        grid-template-columns: 1fr;
    }
    
    .about__values {
        grid-template-columns: 1fr;
    }
    
    .form__row {
        grid-template-columns: 1fr;
    }
    
    .contact__form-container {
        padding: 2rem;
    }
    
    .container {
        padding: 0 1.5rem;
    }
    
    .nav {
        padding: 0.75rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 2.25rem;
    }
    
    .hero__buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .hero__buttons .btn {
        width: 100%;
    }
    
    .section__title {
        font-size: 1.9rem;
    }
    
    .about__image-badge {
        bottom: 1rem;
        left: 1rem;
        padding: 1rem 1.5rem;
    }
    
    .badge__number {
        font-size: 2rem;
    }
    
    .service__card {
        padding: 2rem;
    }
}