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

:root {
    --primary-color: #00f0ff;
    --secondary-color: #0a0a0a;
    --text-color: #ffffff;
    --overlay-color: rgba(0, 0, 0, 0.7);
}

body {
    font-family: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    color: var(--text-color);
    overflow-x: hidden;
    background: #000;
}

/* Background */
.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.background-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.6);
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.8) 100%);
}

/* Navigation */
.nav {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    max-width: 800px;
    padding: 0.75rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.logo {
    font-size: 1.2rem;
    font-weight: 500;
    letter-spacing: 1px;
    color: var(--primary-color);
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
}

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

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: lowercase;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::before {
    content: '‹';
    position: absolute;
    left: -12px;
    opacity: 0;
    color: var(--primary-color);
    transition: opacity 0.3s ease;
    font-weight: 300;
}

.nav-link::after {
    content: '›';
    position: absolute;
    right: -12px;
    opacity: 0;
    color: var(--primary-color);
    transition: opacity 0.3s ease;
    font-weight: 300;
}

.nav-link.active::before,
.nav-link.active::after {
    opacity: 1;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link.active {
    color: var(--primary-color);
}

/* Sections */
.section {
    min-height: 100vh;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 2rem;
}

.section.active {
    display: flex;
}

/* Hero Section */
#home {
    text-align: center;
    align-items: flex-start;
    padding-top: 30vh;
}

.hero-content {
    animation: fadeIn 1.5s ease-in;
}

.floating-text {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 300;
    letter-spacing: 8px;
    color: var(--primary-color);
    text-shadow: 0 0 40px rgba(0, 240, 255, 0.6),
                 0 0 80px rgba(0, 240, 255, 0.4);
    animation: float 6s ease-in-out infinite;
    margin-bottom: 1rem;
}

.tagline {
    font-size: 1.2rem;
    font-weight: 400;
    letter-spacing: 3px;
    color: rgba(255, 255, 255, 0.7);
    animation: fadeIn 2s ease-in 0.5s both;
}

/* Content Sections */
.content-container {
    max-width: 800px;
    width: 100%;
    animation: slideUp 0.8s ease-out;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    letter-spacing: 6px;
    color: var(--primary-color);
    margin-bottom: 3rem;
    text-shadow: 0 0 30px rgba(0, 240, 255, 0.4);
}

.solutions-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.5px;
}

.solutions-content strong {
    color: var(--primary-color);
    font-weight: 500;
}

.onyx-lake {
    color: var(--primary-color);
    font-weight: 500;
}

/* Contact Section */
.contact-content {
    text-align: center;
    padding: 2rem 3rem;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    max-width: 500px;
    margin: 0 auto;
}

.contact-text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
    letter-spacing: 0.5px;
}

.contact-email a {
    font-size: 1.5rem;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: 1px;
    position: relative;
    display: inline-block;
    transition: all 0.3s ease;
    font-weight: 500;
}

.contact-email a::before {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-color);
    transition: width 0.3s ease;
}

.contact-email a:hover::before {
    width: 100%;
}

.contact-email a:hover {
    text-shadow: 0 0 15px rgba(0, 240, 255, 0.6);
    transform: translateY(-2px);
}

/* Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        padding: 0.75rem 1.5rem;
        flex-direction: column;
        gap: 1rem;
        width: calc(100% - 2rem);
        margin: 0 1rem;
        transform: translateX(0);
        left: 0;
    }

    .nav-links {
        gap: 1.5rem;
    }

    .nav-link {
        font-size: 0.85rem;
    }

    .section {
        padding: 8rem 1.5rem 2rem;
    }

    .floating-text {
        letter-spacing: 4px;
    }

    .tagline {
        font-size: 1rem;
        letter-spacing: 2px;
    }

    .section-title {
        letter-spacing: 4px;
        margin-bottom: 2rem;
    }

    .solutions-content p {
        font-size: 1rem;
    }

    .contact-email a {
        font-size: 1.2rem;
    }

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