/* --- css/reset.css --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

ul {
    list-style: none;
}

/* --- css/style.css --- */
body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 16px;
}

h1, h2, h3, h4 {
    color: var(--text-main);
    font-weight: 600;
    line-height: 1.25;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; margin-bottom: var(--spacing-md); border-bottom: 1px solid var(--border-color); padding-bottom: var(--spacing-sm); }
h3 { font-size: 1.25rem; }

.mono { font-family: var(--font-mono); }
.accent-text { color: var(--accent); }

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-main);
    transition: var(--transition);
}

.btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-secondary);
}

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

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

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(13, 17, 23, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.2rem;
    font-family: var(--font-mono);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    font-size: 0.95rem;
    color: var(--text-main);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -24px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent);
}

.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--text-main);
}

/* Hero Section */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px; /* Offset fixed header */
}

.hero-content {
    max-width: 800px;
}

.hero-greeting {
    color: var(--accent);
    font-family: var(--font-mono);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.hero-title {
    margin-bottom: var(--spacing-sm);
}

.hero-tagline {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* About Section */
#about {
    padding: var(--spacing-xl) 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-img-wrapper {
    position: relative;
}

.about-img {
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    filter: none;
    transition: var(--transition);
}

.about-img-wrapper:hover .about-img {
    filter: none;
    transform: translate(-5px, -5px);
    box-shadow: 10px 10px 0 var(--accent);
}

/* Skills Section */
#skills {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-secondary);
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.skill-tag {
    background: var(--bg-tertiary);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.skill-tag:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

/* Projects Section */
#projects {
    padding: var(--spacing-xl) 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-sm);
}

.project-title {
    color: var(--text-main);
    font-weight: 600;
}

.project-links {
    display: flex;
    gap: 10px;
}

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

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

.project-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-accent);
}

/* Experience Section */
#experience {
    padding: var(--spacing-xl) 0;
}

.timeline-item {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-left: 2px solid var(--border-color);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 5px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
}

.timeline-role {
    font-weight: 600;
    color: var(--text-main);
}

.timeline-company {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.timeline-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    display: block;
}

/* Contact Section */
#contact {
    padding: var(--spacing-xl) 0;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    text-align: left;
    margin-top: var(--spacing-md);
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

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

.form-input, .form-textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-main);
    font-family: var(--font-body);
}

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


/* Footer */
footer {
    padding: var(--spacing-md) 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-xl);
}

/* Animation Classes */
.hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

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

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .nav-links {
        position: fixed;
        top: 60px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background: var(--bg-main);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.3s ease;
        border-top: 1px solid var(--border-color);
    }

    .nav-links.nav-active {
        right: 0;
    }

    .hamburger {
        display: block;
        font-size: 1.5rem;
    }

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

    .about-img-wrapper {
        max-width: 250px;
        margin: 0 auto;
    }

    .nav-link.active::after {
        display: none;
    }
}