/* ===== ROOT & GLOBAL STYLES ===== */
:root {
    --primary-dark: #0f0f0f;
    --secondary-dark: #1a1a1a;
    --accent: #00ff41;
    --accent-alt: #ff006e;
    --accent-blue: #00d4ff;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-color: #333333;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--primary-dark);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== NAVIGATION ===== */
.navbar {
    background-color: var(--secondary-dark);
    border-bottom: 2px solid var(--accent);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent);
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, #1a1a2e 100%);
    padding: 6rem 0;
    text-align: center;
    border-bottom: 2px solid var(--accent-alt);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, var(--accent), var(--accent-alt), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.accent {
    color: var(--accent);
}

.accent-alt {
    color: var(--accent-alt);
}

.cta-button {
    display: inline-block;
    padding: 0.8rem 2rem;
    background-color: var(--accent);
    color: var(--primary-dark);
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid var(--accent);
}

.cta-button:hover {
    background-color: transparent;
    color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
}

/* ===== HERO SECONDARY ===== */
.hero-secondary {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, #1a1a2e 100%);
    padding: 3rem 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.hero-secondary h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

.hero-secondary p {
    color: var(--text-secondary);
}

/* ===== FEATURED SECTION ===== */
.featured {
    padding: 4rem 0;
}

.featured h2 {
    font-size: 2rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--accent);
}

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

.card {
    background-color: var(--secondary-dark);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.3s ease;
    text-align: center;
}

.card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.2);
    transform: translateY(-10px);
}

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

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

.card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.card-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

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

/* ===== PROJECTS SECTION ===== */
.projects {
    padding: 4rem 0;
}

.project-card {
    background-color: var(--secondary-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.project-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.15);
}

.project-image {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-alt) 100%);
    height: 250px;
    border-radius: 8px 0 0 8px;
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

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

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    display: inline-block;
    background-color: rgba(0, 255, 65, 0.1);
    color: var(--accent);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    border: 1px solid var(--accent);
}

.project-link {
    color: var(--accent-alt);
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

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

/* ===== ABOUT SECTION ===== */
.about-content {
    padding: 4rem 0;
}

.about-section {
    margin-bottom: 3rem;
    background-color: var(--secondary-dark);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent);
}

.about-section h2 {
    color: var(--accent);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.about-section p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.skill-item {
    background-color: rgba(0, 255, 65, 0.05);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.skill-item h4 {
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.skill-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    padding: 4rem 0;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
}

.contact-info {
    background-color: var(--secondary-dark);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.contact-info h2 {
    color: var(--accent);
    margin-bottom: 2rem;
}

.info-item {
    margin-bottom: 2rem;
}

.info-item h4 {
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.info-item p {
    color: var(--text-secondary);
}

.info-item a {
    color: var(--accent);
    text-decoration: none;
    transition: all 0.3s ease;
}

.info-item a:hover {
    color: var(--accent-alt);
}

.contact-form {
    background-color: var(--secondary-dark);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

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

.form-group label {
    display: block;
    color: var(--accent);
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.2);
}

.submit-btn {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--accent);
    color: var(--primary-dark);
    border: 2px solid var(--accent);
    border-radius: 4px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.form-note {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.form-note.success {
    color: var(--accent);
}

.form-note.error {
    color: var(--accent-alt);
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--secondary-dark);
    border-top: 2px solid var(--accent);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-secondary);
    margin-top: 4rem;
}

footer p {
    margin: 0.5rem 0;
}

footer a {
    color: var(--accent);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

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

    .project-image {
        border-radius: 8px 8px 0 0;
        height: 200px;
    }

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

    .hero p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.5rem;
    }

    .nav-links {
        gap: 0.5rem;
        font-size: 0.8rem;
    }

    .logo {
        font-size: 1.2rem;
    }

    .cta-button {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }
}