:root {
    --color-dark-bg: #1a1a1a;
    --color-darker-bg: #0d0d0d;
    --color-accent: #ffffff;
    --color-accent-hover: #e0e0e0;
    --color-text-primary: #ffffff;
    --color-text-secondary: #b0b0b0;
    --color-border: #333333;
    --color-card-bg: #242424;
    --color-overlay: rgba(0, 0, 0, 0.7);
    --font-primary: Arial, sans-serif;
    --font-size-base: 20px;
    --transition-speed: 0.3s;
    --border-radius: 8px;
}

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

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-dark-bg);
    overflow-x: hidden;
}

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

a:hover {
    color: var(--color-text-secondary);
}

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-darker-bg);
    z-index: 1000;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
}

.header-nav {
    display: flex;
    gap: 40px;
    order: 1;
}

.header-nav a {
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: 5px 0;
}

.header-nav a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-speed);
}

.header-nav a:hover::after {
    width: 100%;
}

.header-logo {
    order: 2;
    font-size: 28px;
    font-weight: bold;
    letter-spacing: 2px;
    animation: logoFloat 3s ease-in-out infinite;
}

.header-cta {
    order: 3;
}

.btn-header {
    padding: 12px 30px;
    border: 2px solid var(--color-accent);
    background-color: transparent;
    color: var(--color-accent);
    cursor: pointer;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition-speed);
}

.btn-header:hover {
    transform: rotate(2deg);
    background-color: var(--color-accent);
    color: var(--color-darker-bg);
}

.burger-menu {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    order: 1;
}

.burger-line {
    width: 30px;
    height: 3px;
    background-color: var(--color-accent);
    transition: all var(--transition-speed);
}

.burger-menu.active .burger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.burger-menu.active .burger-line:nth-child(2) {
    opacity: 0;
}

.burger-menu.active .burger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -8px);
}

.mobile-nav {
    display: none;
    position: fixed;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-darker-bg);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 30px;
    z-index: 999;
}

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

.mobile-nav a {
    font-size: 24px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.footer {
    background-color: var(--color-darker-bg);
    padding: 80px 40px 40px;
    border-top: 1px solid var(--color-border);
    position: relative;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1400px;
    margin: 0 auto;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: flex-end;
    text-align: right;
}

.footer-logo {
    font-size: 36px;
    font-weight: bold;
    letter-spacing: 3px;
    margin-bottom: 20px;
}

.footer-description {
    font-size: 18px;
    color: var(--color-text-secondary);
    max-width: 400px;
    line-height: 1.8;
}

.footer-social {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.social-link {
    width: 50px;
    height: 50px;
    border: 2px solid var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed);
}

.social-link:hover {
    transform: rotate(360deg);
    background-color: var(--color-accent);
    color: var(--color-darker-bg);
}

.footer-right {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.footer-column h4 {
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    color: var(--color-text-secondary);
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-column a {
    font-size: 18px;
    transition: transform var(--transition-speed);
    display: inline-block;
}

.footer-column a:hover {
    transform: translateX(10px);
}

.footer-contact {
    margin-top: 20px;
}

.footer-contact p {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--color-text-secondary);
}

.footer-bottom {
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid var(--color-border);
    text-align: center;
    font-size: 16px;
    color: var(--color-text-secondary);
}

@keyframes logoFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-5px);
    }
}

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.8s ease-out forwards;
}

.animate-slide-left {
    animation: slideInLeft 0.8s ease-out forwards;
}

.animate-slide-right {
    animation: slideInRight 0.8s ease-out forwards;
}

.animate-scale {
    animation: scaleIn 0.8s ease-out forwards;
}

.btn {
    padding: 15px 40px;
    border: 2px solid var(--color-accent);
    background-color: transparent;
    color: var(--color-accent);
    cursor: pointer;
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition-speed);
    display: inline-block;
    text-align: center;
}

.btn:hover {
    transform: rotate(-2deg);
    background-color: var(--color-accent);
    color: var(--color-darker-bg);
}

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

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

.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    margin-bottom: 10px;
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-secondary);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 15px 20px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--color-border);
    color: var(--color-accent);
    font-size: 18px;
    font-family: var(--font-primary);
    transition: all var(--transition-speed);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: rgba(255, 255, 255, 0.15);
}

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

@media (max-width: 900px) {
    .header {
        padding: 20px;
    }

    .header-nav {
        display: none;
    }

    .burger-menu {
        display: flex;
    }

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

    .footer-left {
        align-items: flex-start;
        text-align: left;
    }

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

@media (max-width: 520px) {
    body {
        font-size: 16px;
    }

    .header-logo {
        font-size: 20px;
    }

    .btn {
        padding: 12px 25px;
        font-size: 16px;
    }

    .header-cta {
        display: none;
    }

    .footer-social {
        flex-wrap: wrap;
    }

    .footer-logo {
        font-size: 30px;
    }
}