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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #000;
    color: #fff;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: #fff;
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: #888;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid #222;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

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

.nav-links a {
    font-size: 0.9rem;
    color: #888;
}

.nav-links a:hover {
    color: #fff;
}

/* Main Content */
main {
    flex: 1;
    padding-top: 60px;
}

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

h1 {
    font-size: 3rem;
    font-weight: 600;
    letter-spacing: -1px;
    margin-bottom: 1rem;
}

h2 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    color: #888;
}

/* Hero Section */
.hero {
    min-height: calc(100vh - 60px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.tagline {
    font-size: 1.25rem;
    color: #888;
}

/* About Section */
.about {
    border-top: 1px solid #222;
}

.about p {
    max-width: 700px;
    color: #ccc;
    font-size: 1.1rem;
}

/* Clients Section */
.clients {
    border-top: 1px solid #222;
}

.logo-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
    align-items: center;
    margin-top: 2rem;
}

.logo-item {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.logo-item img {
    max-width: 120px;
    max-height: 60px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.logo-item.chatmark img {
    max-width: 160px;
    max-height: 80px;
    filter: brightness(1.3);
}

/* Contact Section */
.contact {
    border-top: 1px solid #222;
    text-align: center;
}

.contact p {
    color: #888;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    background-color: #fff;
    color: #000;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.btn:hover {
    background-color: #888;
    color: #fff;
}

/* Footer */
footer {
    border-top: 1px solid #222;
    padding: 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-content p {
    color: #888;
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #888;
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: #fff;
}

/* Legal Pages */
.legal-page {
    padding-top: 100px;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 2rem;
    padding-right: 2rem;
    padding-bottom: 4rem;
}

.legal-page h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.legal-page .last-updated {
    color: #888;
    margin-bottom: 3rem;
}

.legal-page section {
    padding: 1.5rem 0;
    max-width: 100%;
}

.legal-page h2 {
    font-size: 1.25rem;
    color: #fff;
    margin-bottom: 1rem;
}

.legal-page p {
    color: #ccc;
    margin-bottom: 1rem;
}

.legal-page ul {
    color: #ccc;
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.legal-page li {
    margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    .logo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .logo-item img {
        max-width: 100px;
        max-height: 50px;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    nav {
        padding: 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    section {
        padding: 3rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .logo-grid {
        grid-template-columns: 1fr;
    }

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

    .nav-links {
        gap: 0.75rem;
        font-size: 0.85rem;
    }
}