:root {
    --bg-color: #0a192f;
    --bg-light: #112240;
    --text-primary: #ccd6f6;
    --text-secondary: #a8b2d1;
    --accent-color: #5abcb9; /* Grayish Green */
    --accent-hover: rgba(90, 188, 185, 0.1);
    
    --font-sans: 'Inter', sans-serif;
    --font-mono: 'Fira Code', monospace;
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4 {
    color: var(--text-primary);
    font-weight: 600;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

/* NAVBAR */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.navbar.scrolled {
    padding: 15px 50px;
    box-shadow: 0 10px 30px -10px rgba(2,12,27,0.7);
}

.logo a {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links li {
    counter-increment: nav-item;
}

.nav-links a {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-primary);
}

.nav-links a::before {
    content: "0" counter(nav-item) ". ";
    color: var(--accent-color);
}

/* MAIN & SECTIONS */
main {
    padding: 0 150px;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    min-height: 100vh;
    padding: 100px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.section-title {
    font-size: 2rem;
    display: flex;
    align-items: center;
    margin-bottom: 40px;
    white-space: nowrap;
}

.section-title::after {
    content: "";
    display: block;
    width: 300px;
    height: 1px;
    background-color: #233554;
    margin-left: 20px;
}

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border: 1px solid var(--accent-color);
    border-radius: 4px;
    color: var(--accent-color);
    font-family: var(--font-mono);
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 30px;
}

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

/* HERO */
.hero {
    align-items: flex-start;
}

.greeting {
    color: var(--accent-color);
    font-family: var(--font-mono);
    margin-bottom: 20px;
}

.name {
    font-size: clamp(40px, 8vw, 80px);
    margin-bottom: 10px;
}

.role {
    font-size: clamp(30px, 6vw, 60px);
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.bio-short {
    color: var(--text-secondary);
    max-width: 540px;
    font-size: 1.1rem;
}

/* ABOUT */
.about-content {
    display: flex;
    gap: 50px;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.about-text p {
    margin-bottom: 15px;
}

/* SKILLS */
.skills-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.category-title {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 20px;
    border-left: 3px solid var(--accent-color);
    padding-left: 15px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 20px;
}

.skill-card {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    border: 1px solid transparent;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px -10px rgba(2,12,27,0.7);
    border-color: var(--accent-color);
}

.skill-card i {
    font-size: 2.5rem;
    color: var(--accent-color);
}

.skill-card span {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* PROJECTS */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--bg-light);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-image {
    height: 200px;
    background-color: #233554;
    background-size: cover;
    background-position: center;
}

.project-image.placeholder {
    background: linear-gradient(45deg, #112240, #233554);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image.placeholder::after {
    content: "Screenshot Placeholder";
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.project-info {
    padding: 25px;
}

.project-info h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.project-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.project-techs {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.project-techs span {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent-color);
}

.project-links {
    display: flex;
    gap: 15px;
}

.project-links a {
    font-size: 1.2rem;
    color: var(--text-primary);
}

.project-links a:hover {
    color: var(--accent-color);
}

/* CONTACT */
.contact {
    text-align: center;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact .section-title {
    justify-content: center;
}

.contact .section-title::after {
    display: none;
}

.contact-heading {
    font-size: clamp(30px, 5vw, 50px);
    margin-bottom: 20px;
}

.contact p {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.social-links {
    display: flex;
    gap: 20px;
    margin-top: 40px;
    justify-content: center;
}

.social-links a {
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-3px);
}

/* FOOTER */
footer {
    text-align: center;
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ANIMATIONS (FADE IN) */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.appear {
    opacity: 1;
    transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    main {
        padding: 0 25px;
    }
    
    .navbar {
        padding: 20px 25px;
    }

    .nav-links {
        display: none; /* Add a hamburger menu for v2 */
    }

    .section-title::after {
        width: 100px;
    }
}