:root {
    --black: #000000;
    --primary: #1a202c;
    --accent: #6366f1;
    --accent-dark: #8B5CF6;
    --text: #e2e8f0;
    --white: #ffffff;
    --matrix-color: rgba(99, 102, 241, 0.1);
    --spacing: 8px;
    --transition: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--primary);
    position: relative;
    overflow-x: hidden;
}

/* Matrix Background */
#matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Header & Navigation */
header {
    background-color: rgba(45, 55, 72, 0.9);
    padding: calc(var(--spacing) * 2);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--accent);
    backdrop-filter: blur(5px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing);
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -0.05em;
    position: relative;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent);
    transform: scaleX(0);
    transition: transform var(--transition);
    transform-origin: right;
}

.logo:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

nav ul {
    display: flex;
    list-style: none;
    gap: calc(var(--spacing) * 4);
}

nav a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
}

nav a:hover {
    color: var(--accent);
}

/* Main Sections */
main {
    margin-top: 60px;
}

section {
    padding: calc(var(--spacing) * 12) calc(var(--spacing) * 3);
    max-width: 1200px;
    margin: 0 auto;
}

.hero {
    height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
}

h1 {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: calc(var(--spacing) * 3);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: calc(var(--spacing) * 6);
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing);
}

.subtitle {
    font-size: 1.5rem;
    color: var(--text);
    max-width: 600px;
    margin-bottom: calc(var(--spacing) * 2);
}

.signature {
    font-size: 2rem;
    font-weight: 500;
    color: var(--accent);
    margin-top: calc(var(--spacing) * 4);
}

/* Project Buttons */
.project-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: calc(var(--spacing) * 3);
    padding: calc(var(--spacing) * 4);
    margin-bottom: calc(var(--spacing) * 4);
}

.project-button {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(var(--spacing) * 4);
    background-color: rgba(45, 55, 72, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text);
    transition: all var(--transition);
    border: 1px solid transparent;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.project-button:hover {
    transform: translateY(-4px);
    background-color: rgba(99, 102, 241, 0.15);
    border-color: var(--accent);
    box-shadow: 0 8px 16px rgba(99, 102, 241, 0.2);
}

.button-content {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing));
}

.button-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent);
}

.button-description {
    font-size: 0.9rem;
    color: var(--text);
}

.button-arrow {
    font-size: 1.5rem;
    font-weight: 400;
    transition: transform var(--transition);
}

.project-button:hover .button-arrow {
    transform: translateX(4px);
}

/* Project Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: calc(var(--spacing) * 3);
}

.project-card {
    background-color: var(--light-gray);
    border-radius: 8px;
    overflow: hidden;
    transition: transform var(--transition);
    min-height: 300px;
    position: relative;
}

.project-card:hover {
    transform: translateY(-4px);
}

.project-content {
    padding: calc(var(--spacing) * 3);
    position: absolute;
    bottom: 0;
    width: 100%;
    background: linear-gradient(transparent, var(--dark-gray));
    color: var(--white);
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: rgba(51, 51, 51, 0.8);
    padding: calc(var(--spacing) * 4);
    border-radius: 12px;
    backdrop-filter: blur(5px);
}

.form-group {
    margin-bottom: calc(var(--spacing) * 3);
}

label {
    display: block;
    margin-bottom: var(--spacing);
    color: var(--light-gray);
    font-weight: 500;
}

input,
textarea {
    width: 100%;
    padding: calc(var(--spacing) * 1.5);
    border: 1px solid var(--medium-gray);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color var(--transition);
    background-color: var(--medium-gray);
    color: var(--white);
    font-family: 'Space Grotesk', sans-serif;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--white);
}

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

button {
    background-color: var(--black);
    color: var(--white);
    padding: calc(var(--spacing) * 2) calc(var(--spacing) * 4);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color var(--transition);
    font-family: 'Space Grotesk', sans-serif;
}

button:hover {
    background-color: var(--medium-gray);
}

/* Footer */
footer {
    background-color: rgba(51, 51, 51, 0.8);
    backdrop-filter: blur(5px);
    padding: calc(var(--spacing) * 6) calc(var(--spacing) * 3);
    margin-top: calc(var(--spacing) * 8);
}

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

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.05em;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: calc(var(--spacing) * 4);
    width: 30px;
    height: 50px;
    border: 3px solid var(--accent);
    border-radius: 15px;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    width: 6px;
    height: 6px;
    background-color: var(--accent);
    border-radius: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 20px); opacity: 0; }
}

/* Responsive Design */
@media (max-width: 768px) {
    nav ul {
        display: none;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .project-buttons {
        grid-template-columns: 1fr;
    }

    section {
        padding: calc(var(--spacing) * 8) calc(var(--spacing) * 2);
    }

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

/* Notifications */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 1rem 2rem;
    border-radius: 8px;
    background-color: rgba(45, 55, 72, 0.95);
    color: var(--text);
    font-weight: 500;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border: 1px solid var(--accent);
}

.notification.show {
    transform: translateY(0);
    opacity: 1;
}

.notification.success {
    border-color: #10B981;
}

.notification.error {
    border-color: #EF4444;
}

.contact-text {
    text-align: center;
    color: var(--text);
    font-size: 1.1rem;
    margin-top: calc(var(--spacing) * 2);
}

.email-link {
    color: var(--accent);
    text-decoration: none;
    transition: color var(--transition);
}

.email-link:hover {
    color: var(--accent-dark);
}