:root {
    --bg-deep: #F8FAFC;
    --bg-card: #FFFFFF;
    --primary-purple: #6366F1;
    --primary-orange: #F59E0B;
    --text-white: #1E293B;
    --text-gray: #64748B;
    --border: #E2E8F0;
    --grad-orange: linear-gradient(135deg, #F59E0B 0%, #EA580C 100%);
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

body {
    background-color: var(--bg-deep);
    color: var(--text-white);
    line-height: 1.6;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 8%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--text-white);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: 0.3s;
    opacity: 0.9;
}

.nav-links a:hover {
    color: var(--primary-orange);
    opacity: 1;
}

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-white);
}

@media (max-width: 968px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border);
        backdrop-filter: blur(20px);
    }

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

    .hamburger {
        display: block;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
    }
}

.logo {
    font-weight: 800;
    font-size: 1.6rem;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-white);
}

.logo i {
    color: var(--primary-orange);
}

.container {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--text-white);
}

.subtitle {
    text-align: center;
    color: var(--text-gray);
    margin-bottom: 4rem;
    font-size: clamp(1.1rem, 3vw, 1.2rem);
    padding: 0 5%;
    font-weight: 600;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: start;
}

@media (max-width: 968px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

.info-section {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.info-card {
    background: white;
    padding: 2.5rem;
    border-radius: 24px;
    border: 1px solid var(--border);
    transition: 0.3s;
    box-shadow: var(--shadow);
}

.info-card:hover {
    border-color: var(--primary-orange);
    transform: translateY(-5px);
}

.info-card>i {
    font-size: 2rem;
    color: var(--primary-orange);
    margin-bottom: 1.5rem;
    display: block;
}

.info-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.4rem;
    font-weight: 800;
}

.info-card p {
    color: var(--text-gray);
    font-size: 1rem;
    font-weight: 600;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 1.5rem;
}

.social-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: 0.3s;
    border: 1px solid var(--border);
    font-size: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.social-icon i {
    color: inherit;
    margin: 0;
    font-size: 1.5rem;
}

.social-icon:hover {
    background: var(--grad-orange);
    transform: translateY(-3px);
    border-color: transparent;
    color: white;
    box-shadow: 0 10px 15px -3px rgba(245, 158, 11, 0.3);
}

.social-icon.linkedin { color: #0077B5; }
.social-icon.instagram { color: #E4405F; }
.social-icon.twitter { color: #000000; }
.social-icon.facebook { color: #1877F2; }

/* Language Selector */
.lang-selector {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: center;
    list-style: none;
}

.lang-btn {
    cursor: pointer;
    transition: opacity 0.3s;
}

.lang-btn.active {
    opacity: 1;
}

.lang-btn.inactive {
    opacity: 0.5;
}

.lang-separator {
    opacity: 0.3;
    color: var(--text-white);
}

.contact-card {
    background: white;
    padding: 3.5rem;
    border-radius: 30px;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 2rem;
}

label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 800;
    font-size: 0.85rem;
    color: var(--text-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input,
textarea {
    width: 100%;
    padding: 1.2rem;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: #f8fafc;
    color: var(--text-white);
    font-size: 1rem;
    transition: 0.3s;
    font-weight: 600;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-orange);
    background: white;
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.1);
}

.btn-submit {
    width: 100%;
    padding: 1.2rem;
    border-radius: 15px;
    border: none;
    background: var(--grad-orange);
    color: white;
    font-weight: 800;
    font-size: 1.1rem;
    cursor: pointer;
    transition: 0.3s;
    box-shadow: 0 4px 15px rgba(234, 88, 12, 0.3);
}

.btn-submit:hover {
    transform: translateY(-2px);
    opacity: 0.9;
    box-shadow: 0 6px 20px rgba(234, 88, 12, 0.4);
}

.success-msg {
    display: none;
    background: #f0fdf4;
    color: #166534;
    padding: 2rem;
    border-radius: 20px;
    margin-bottom: 3rem;
    text-align: center;
    font-weight: 700;
    border: 1px solid #bbf7d0;
}

footer {
    padding: 4rem 8% 2rem;
    text-align: center;
    color: var(--text-gray);
    font-size: 0.95rem;
    font-weight: 600;
}

@media (max-width: 600px) {
    .container {
        margin: 2rem auto;
        padding: 0 1rem;
    }

    .contact-card {
        padding: 2rem 1.5rem;
    }

    .info-card {
        padding: 1.5rem;
    }

    footer {
        padding: 2rem 8%;
    }
}