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

:root {
    --dark: #0a0a0a;
    --light: #f5f5f5;
    --gray-medium: #7a7a7a;
    --accent: #1a1a1a;
    --border: #e8e8e8;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--light);
    color: var(--dark);
    line-height: 1.6;
    font-size: 16px;
}

/* Typography */
h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 1.5rem;
}

p {
    font-size: 1rem;
    color: var(--gray-medium);
    max-width: 65ch;
}

/* Layout */
header {
    padding: 2rem;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--light);
    z-index: 100;
    animation: slideDown 0.6s ease-out;
    display: flex;
    justify-content: center;
}

/* Hero */
.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 2rem;
    text-align: left;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

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

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

.hero h1 {
    margin-bottom: 1.5rem;
}

.hero>p {
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
    max-width: 55ch;
}

/* Services */
.services {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 2rem;
    border-top: 1px solid var(--border);
}

.services h2 {
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.service-card {
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: 0;
    transition: all 0.3s ease;
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.service-card:nth-child(1) {
    animation-delay: 0.3s;
}

.service-card:nth-child(2) {
    animation-delay: 0.4s;
}

.service-card:nth-child(3) {
    animation-delay: 0.5s;
}

.service-card:hover {
    border-color: var(--dark);
    background: var(--dark);
    color: var(--light);
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--gray-medium);
}

.service-card:hover p {
    color: rgba(245, 245, 245, 0.8);
}

/* Platforms */
.platforms {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 2rem;
    border-top: 1px solid var(--border);
}

.platforms h2 {
    margin-bottom: 3rem;
}

.platform-list {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
}

.platform {
    flex: 1;
    min-width: 250px;
    padding: 2rem;
    border-left: 2px solid var(--dark);
}

.platform h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.platform p {
    font-size: 0.95rem;
}

/* Coverage */
.coverage {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 2rem;
    border-top: 1px solid var(--border);
}

.coverage h2 {
    margin-bottom: 2rem;
}

.coverage-text {
    margin-bottom: 2rem;
}

.region-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

.region-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 2rem;
    border-top: 1px solid var(--border);
}

.cta-section h2 {
    margin-bottom: 3rem;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

input[type="email"],
textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border);
    background: var(--light);
    color: var(--dark);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

input[type="email"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--dark);
}

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

button {
    background: var(--dark);
    color: var(--light);
    padding: 1rem 2rem;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

button:hover {
    background: var(--dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 3rem 2rem;
    background: var(--dark);
    color: var(--light);
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-section p {
    font-size: 0.9rem;
    color: rgba(245, 245, 245, 0.7);
}

.footer-section a {
    color: var(--light);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-section a:hover {
    opacity: 0.8;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(245, 245, 245, 0.1);
    text-align: center;
    color: rgba(245, 245, 245, 0.6);
    font-size: 0.85rem;
}

/* Language Switcher */
.language-switcher {
    position: fixed;
    top: 2rem;
    right: 2rem;
    display: flex;
    gap: 0.5rem;
    z-index: 200;
}

.lang-btn {
    background: var(--dark);
    color: var(--light);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.lang-btn:hover {
    background: var(--light);
    color: var(--dark);
}

.lang-btn.active {
    background: var(--dark);
    color: var(--light);
    border-color: var(--dark);
}

@media (max-width: 768px) {
    .language-switcher {
        top: 1rem;
        right: 1rem;
    }

    .lang-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1.5rem;
    }

    nav {
        display: flex;
        gap: 1rem;
        flex-wrap: wrap;
    }

    nav a {
        margin-left: 0;
    }

    .hero {
        padding: 4rem 2rem;
    }

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

    .platform-list {
        flex-direction: column;
        gap: 2rem;
    }

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

/* Success Message */
.form-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 0;
    display: none;
    font-size: 0.95rem;
}

.form-message.success {
    background: #f0f9ff;
    color: #0c5d4f;
    border: 1px solid #a5f3fc;
    display: block;
}

.form-message.error {
    background: #fef2f2;
    color: #7f1d1d;
    border: 1px solid #fecaca;
    display: block;
}