:root {
    --bg-color: #0a0a0a;
    --text-color: #ffffff;
    --accent-color: #3b82f6;
    /* A refined blue */
    --secondary-text: #a1a1aa;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Animation */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 50% 50%, #1a1a1a 0%, #0a0a0a 100%);
}

#networkCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 40px;
    z-index: 100;
    display: flex;
    justify-content: center;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.logo {
    height: 60px;
    /* Increased from 40px */
    width: auto;
    filter: brightness(1.2);
}

/* Hero Section */
.hero {
    height: 70vh;
    /* Reduced from 100vh */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
    position: relative;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 300;
    /* Bold */
    letter-spacing: -0.02em;
    max-width: 800px;
    background: linear-gradient(to right, #fff, #a1a1aa);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 2rem;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.fade-in-delay {
    opacity: 0;
    animation: fadeIn 1s ease-out 1s forwards;
}

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

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

/* Scroll Indicator Removed */

/* Contact Section */
.contact-section {
    min-height: 80vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 100px 20px;
    background: linear-gradient(to top, #000, transparent);
}

.container {
    width: 100%;
    max-width: 600px;
}

.contact-section h2 {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 3rem;
    text-align: center;
}

/* Form Styles */
.contact-form {
    background: var(--glass-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 0;
    font-size: 1rem;
    color: var(--text-color);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--secondary-text);
    outline: none;
    transition: border-color 0.3s ease;
    font-family: var(--font-main);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group label {
    position: absolute;
    top: 15px;
    left: 0;
    color: var(--secondary-text);
    pointer-events: none;
    transition: 0.3s ease all;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group input:not(:placeholder-shown),
.form-group textarea:not(:placeholder-shown) {
    border-bottom-color: var(--accent-color);
}

.form-group input:focus~label,
.form-group textarea:focus~label,
.form-group input:not(:placeholder-shown)~label,
.form-group textarea:not(:placeholder-shown)~label {
    top: -20px;
    font-size: 0.85rem;
    color: var(--accent-color);
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: var(--text-color);
    color: var(--bg-color);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    background-color: #e0e0e0;
}

/* Footer */
footer {
    padding: 40px 20px;
    text-align: center;
    color: var(--secondary-text);
    font-size: 0.9rem;
    border-top: 1px solid var(--glass-border);
}

/* Scroll Reveal Animation Classes */
.fade-in-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

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

    .contact-form {
        padding: 30px 20px;
    }
}