:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --input-bg: #334155;
    --border-color: #475569;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.background-glob {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

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

/* Hero Section */
.hero {
    text-align: center;
    padding: 6rem 1rem 4rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(to right, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    letter-spacing: -0.05em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
}

.app-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    border-color: var(--accent);
}

.app-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.app-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.app-desc {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.app-links {
    display: flex;
    gap: 1rem;
}

.btn-link {
    text-decoration: none;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.btn-link.secondary {
    color: var(--text-secondary);
}

.btn-link.secondary:hover {
    color: var(--text-primary);
}

/* Contact Section */
.contact-section {
    max-width: 600px;
    margin: 4rem auto;
    background-color: var(--card-bg);
    padding: 3rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.section-desc {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

input, textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    background-color: var(--input-bg);
    color: var(--text-primary);
    font-family: inherit;
    transition: border-color 0.2s;
}

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

.btn-submit {
    width: 100%;
    padding: 1rem;
    background-color: var(--accent);
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.btn-submit:hover {
    background-color: var(--accent-hover);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.form-status {
    margin-top: 1rem;
    text-align: center;
    min-height: 1.5rem;
    font-size: 0.9rem;
}

.form-status.success {
    color: #4ade80;
}

.form-status.error {
    color: #f87171;
}

/* Loader */
.loader {
    width: 1rem;
    height: 1rem;
    border: 2px solid white;
    border-bottom-color: transparent;
    border-radius: 50%;
    display: inline-block;
    box-sizing: border-box;
    animation: rotation 1s linear infinite;
}

@keyframes rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Footer */
.footer {
    text-align: center;
    color: var(--text-secondary);
    padding: 2rem 0;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .contact-section {
        padding: 2rem;
    }
}