:root {
    --primary: #00ffbf;
    --secondary: #4a4a4a;
    --background: #0a0a0a;
    --surface: #1a1a1a;
    --text: #ffffff;
    --glow: 0 0 10px var(--primary);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.navbar {
    background: var(--surface);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary);
    text-shadow: var(--glow);
}

.nav-links a {
    color: var(--text);
    text-decoration: none;
    margin-left: 2rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    background: var(--primary);
    color: var(--background);
    box-shadow: var(--glow);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.upload-container {
    background: var(--surface);
    padding: 3rem;
    border-radius: 10px;
    margin-top: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(45deg, var(--primary), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--secondary);
    margin-bottom: 2rem;
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

input[type="email"] {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid var(--secondary);
    background: var(--background);
    color: var(--text);
    border-radius: 4px;
    transition: all 0.3s ease;
}

input[type="email"]:focus {
    border-color: var(--primary);
    box-shadow: var(--glow);
    outline: none;
}

.file-upload-wrapper {
    border: 2px dashed var(--secondary);
    padding: 2rem;
    text-align: center;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.file-upload-wrapper:hover {
    border-color: var(--primary);
    box-shadow: var(--glow);
}

input[type="file"] {
    display: none;
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: var(--primary);
    color: var(--background);
    border: none;
    border-radius: 4px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow);
}

.btn-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0) 70%);
    transform: rotate(45deg);
    transition: all 0.3s ease;
}

.submit-btn:hover .btn-glow {
    transform: rotate(45deg) translate(50%, 50%);
}

/* About page styles */
.about-container {
    padding-top: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--surface);
    padding: 2rem;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.feature-card h2 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.modal, .modal-content, .pdf-viewer, .project-card {
    all: unset;
    box-sizing: border-box;
}

/* Project specific styles */
.project {
    background: var(--surface);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    transition: transform 0.2s ease;
}

.project:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.project h2 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.project p {
    color: var(--text);
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.view-button {
    background: var(--surface);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 0.5rem 1.5rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.view-button:hover {
    background: var(--primary);
    color: var(--background);
    box-shadow: var(--glow);
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    padding: 2rem;
    box-sizing: border-box;
}

.modal-content {
    position: relative;
    width: 95%;
    height: 95%;
    margin: 2vh auto;
    background: var(--surface);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
}

.close-modal {
    position: absolute;
    right: 20px;
    top: 20px;
    width: 40px;
    height: 40px;
    background: var(--surface);
    color: var(--primary);
    border: 2px solid var(--primary);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    z-index: 1001;
    transition: all 0.3s ease;
}

.close-modal:hover {
    background: var(--primary);
    color: var(--background);
    box-shadow: var(--glow);
}

.pdf-viewer {
    width: 100%;
    height: 100%;
    border: none;
    background: white;
}