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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    line-height: 1.6;
    color: #000;
    background: #fff;
}

header {
    background: #000;
    border-bottom: 4px solid #000;
    padding: 0.8rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 6px 6px 0 rgba(0,0,0,0.15);
}

nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    gap: 1rem;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 0;
}

.language-switcher {
    position: relative;
    margin-left: 1rem;
    order: 1;
}

.lang-dropdown-btn {
    background: #000;
    color: #fff;
    border: 3px solid #fff;
    padding: 0.6rem 0.9rem;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.1s;
}

.lang-dropdown-btn:hover {
    background: #fff;
    color: #000;
}

.lang-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #000;
    border: 3px solid #fff;
    border-top: none;
    min-width: 150px;
    z-index: 1000;
    box-shadow: 6px 6px 0 rgba(0,0,0,0.2);
}

.lang-dropdown.active {
    display: block;
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 1rem;
    color: #fff;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 700;
    border-bottom: 2px solid #fff;
    transition: all 0.1s;
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background: #fff;
    color: #000;
}

.lang-flag {
    font-size: 1.2rem;
}

.dropdown-arrow {
    font-size: 0.7rem;
}

.menu-toggle {
    display: none;
    background: #00FF88;
    border: 3px solid #00FF88;
    color: #000;
    font-size: 1.5rem;
    font-weight: 900;
    padding: 0.5rem 0.8rem;
    cursor: pointer;
    line-height: 1;
}

.menu-toggle:hover {
    background: #000;
    color: #00FF88;
}

.logo {
    font-size: 1.2rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    color: #fff;
    text-transform: uppercase;
    border: 3px solid #fff;
    padding: 0.4rem 1rem;
    background: #000;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    white-space: nowrap;
}

.logo img {
    width: 30px;
    height: 30px;
    object-fit: contain;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 0;
    align-items: center;
}

nav a {
    color: #fff;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 900;
    text-transform: uppercase;
    padding: 0.6rem 1.2rem;
    border: 3px solid #fff;
    border-left: none;
    background: #000;
    transition: all 0.1s;
    display: block;
}

nav ul li:first-child a {
    border-left: 3px solid #fff;
}

nav ul li:last-child a {
    background: #00FF88;
    color: #000;
    font-weight: 900;
    border: 3px solid #00FF88;
}

nav a:hover {
    background: #fff;
    color: #000;
    transform: translate(-2px, -2px);
    box-shadow: 4px 4px 0 #fff;
}

nav ul li:last-child a:hover {
    background: #000;
    color: #00FF88;
    border: 3px solid #00FF88;
}

.hero {
    padding: 6rem 4rem 3rem;
    text-align: center;
    background: #fff;
    margin-top: 0;
}

.hero h1 {
    font-size: 2.8rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 1.2rem;
    color: #000;
    text-transform: uppercase;
    text-shadow: 6px 6px 0 rgba(0,0,0,0.1);
}

.project-tag {
    display: inline-block;
    background: #000;
    color: #fff;
    padding: 0.4rem 1.2rem;
    font-size: 0.8rem;
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 2rem;
    border: 3px solid #000;
}

.hero-image {
    width: 100%;
    max-width: 1100px;
    height: 400px;
    margin: 0 auto;
    border: 5px solid #000;
    box-shadow: 10px 10px 0 rgba(0,0,0,0.2);
    object-fit: cover;
}

.project-meta {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 4rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    border-bottom: 4px solid #000;
}

.meta-item h3 {
    font-size: 0.8rem;
    font-weight: 900;
    text-transform: uppercase;
    color: #666;
    margin-bottom: 0.6rem;
    letter-spacing: 0.05em;
}

.meta-item p {
    font-size: 1rem;
    font-weight: 700;
    color: #000;
}

section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 4rem;
}

.content-section {
    margin-bottom: 4rem;
}

.content-section:last-of-type {
    margin-bottom: 0;
}

h2 {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    color: #000;
    text-transform: uppercase;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

h3 {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 1.2rem;
    color: #000;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #000;
    margin-bottom: 1.2rem;
    font-weight: 400;
}

.solution-description {
    margin-bottom: 2.5rem;
}

.solution-description h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.8rem 2.5rem;
    margin-top: 2.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.5rem 0;
}

.feature-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: #00FF88;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 900;
    color: #000;
    margin-top: 0.1rem;
}

.feature-text {
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.6;
    color: #000;
}

.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
    margin-top: 2rem;
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 1.2rem;
    margin-top: 1.5rem;
}

.tech-item {
    background: #000;
    color: #fff;
    padding: 1.2rem;
    text-align: center;
    border: 3px solid #000;
    font-weight: 900;
    text-transform: uppercase;
    font-size: 0.85rem;
    box-shadow: 5px 5px 0 rgba(0,0,0,0.2);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.result-card {
    background: #00FF88;
    border: 4px solid #000;
    padding: 2rem 1.5rem;
    text-align: center;
    box-shadow: 6px 6px 0 rgba(0,0,0,0.2);
}

.result-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: #000;
    margin-bottom: 0.4rem;
    line-height: 1;
}

.result-label {
    font-size: 0.9rem;
    font-weight: 700;
    color: #000;
    text-transform: uppercase;
}

.cta-section {
    background: #000;
    color: #fff;
    padding: 4rem 4rem;
    text-align: center;
    margin-top: 4rem;
    border: 5px solid #000;
    box-shadow: 10px 10px 0 rgba(0,0,0,0.2);
}

.cta-section h2 {
    color: #fff;
    margin-bottom: 1.5rem;
}

.cta-section p {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 2rem;
    font-weight: 400;
}

.cta-button {
    display: inline-block;
    background: #00FF88;
    color: #000;
    padding: 0.9rem 2.2rem;
    text-decoration: none;
    font-weight: 900;
    font-size: 0.95rem;
    transition: all 0.1s;
    border: 4px solid #00FF88;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    box-shadow: 6px 6px 0 rgba(255,255,255,0.2);
}

.cta-button:hover {
    background: #fff;
    color: #000;
    border: 4px solid #fff;
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0 rgba(255,255,255,0.3);
}

.back-link {
    display: inline-block;
    color: #000;
    text-decoration: none;
    font-weight: 900;
    font-size: 0.85rem;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    padding: 0.7rem 1.3rem;
    border: 3px solid #000;
    transition: all 0.1s;
}

.back-link:hover {
    background: #000;
    color: #fff;
    transform: translate(-2px, -2px);
    box-shadow: 4px 4px 0 rgba(0,0,0,0.2);
}

.workflow-box {
    background: #f5f5f5;
    border: 4px solid #000;
    padding: 2rem;
    margin-top: 1.5rem;
    box-shadow: 6px 6px 0 rgba(0,0,0,0.15);
}

.workflow-box h4 {
    font-size: 1.2rem;
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
    color: #000;
}

.workflow-box p {
    font-weight: 400;
}

footer {
    background: #000;
    color: #fff;
    text-align: center;
    padding: 2rem;
    font-size: 0.85rem;
    font-weight: 900;
    text-transform: uppercase;
    border-top: 5px solid #000;
}

@media (max-width: 968px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero {
        padding: 6rem 2rem 3rem;
    }

    .hero-image {
        height: 350px;
    }

    h2 {
        font-size: 2rem;
    }

    h3 {
        font-size: 1.5rem;
    }

    .project-meta {
        grid-template-columns: 1fr;
        padding: 3rem 2rem;
        gap: 2rem;
    }

    section {
        padding: 4rem 2rem;
    }

    .two-column {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

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

    nav {
        padding: 0 2rem;
    }

    .logo {
        order: 1;
    }

    .nav-right {
        order: 2;
        flex-direction: row;
        gap: 0;
    }

    .menu-toggle {
        display: block;
        order: 3;
    }

    .language-switcher {
        margin-left: 0;
        margin-right: 1rem;
    }

    nav ul {
        position: absolute;
        top: 100%;
        right: 0;
        background: #000;
        flex-direction: column;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        border-top: 0;
    }

    nav ul.active {
        max-height: 500px;
        border-top: 3px solid #fff;
    }

    nav ul li {
        width: 100%;
    }

    nav a {
        width: 100%;
        text-align: left;
        font-size: 0.85rem;
        padding: 1rem 2rem;
        border: none !important;
        border-bottom: 3px solid #fff !important;
    }

    nav ul li:last-child a {
        border-bottom: none !important;
    }
}

@media (max-width: 480px) {
    nav {
        padding: 0 1rem;
    }

    .logo {
        font-size: 0.75rem;
        padding: 0.4rem 0.6rem;
        gap: 0.4rem;
    }

    .logo img {
        width: 20px;
        height: 20px;
    }

    .lang-dropdown-btn {
        padding: 0.4rem 0.6rem;
        font-size: 1rem;
        gap: 0.3rem;
    }

    .lang-flag {
        font-size: 1rem;
    }

    .dropdown-arrow {
        font-size: 0.6rem;
    }

    .menu-toggle {
        padding: 0.4rem 0.6rem;
        font-size: 1.2rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-image {
        height: 250px;
    }

    h2 {
        font-size: 1.8rem;
    }

    .result-number {
        font-size: 2.5rem;
    }
}