/* ========================================
   HACKER TERMINAL THEME - DESIGN TOKENS
   ======================================== */
:root {
    /* Colors - Green/Black Terminal */
    --bg-primary: #0a0a0a;
    --bg-secondary: #0d0d0d;
    --bg-card: rgba(0, 255, 65, 0.03);
    --bg-card-hover: rgba(0, 255, 65, 0.07);
    --border-card: rgba(0, 255, 65, 0.12);
    --border-card-hover: rgba(0, 255, 65, 0.3);
    --text-primary: #00ff41;
    --text-secondary: #00cc33;
    --text-muted: #007a1f;
    --accent-green: #00ff41;
    --accent-green-bright: #39ff14;
    --accent-green-dim: #003d0f;
    --gradient-accent: linear-gradient(135deg, #00ff41 0%, #00cc33 50%, #39ff14 100%);
    --gradient-bg: linear-gradient(160deg, #0a0a0a 0%, #0d1a0d 30%, #0a0a0a 60%, #0d0d0d 100%);

    /* Typography - Monospace Terminal */
    --font-heading: 'Fira Code', 'Courier New', monospace;
    --font-body: 'Fira Code', 'Courier New', monospace;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1100px;

    /* Effects */
    --glass-blur: 16px;
    --glass-bg: rgba(0, 255, 65, 0.02);
    --glass-border: 1px solid rgba(0, 255, 65, 0.1);
    --glow-green: 0 0 20px rgba(0, 255, 65, 0.15), 0 0 40px rgba(0, 255, 65, 0.05);
    --glow-green-strong: 0 0 20px rgba(0, 255, 65, 0.3), 0 0 60px rgba(0, 255, 65, 0.1);
    --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ========================================
   RESET & BASE
   ======================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* CRT Scanline Overlay */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    background: repeating-linear-gradient(0deg,
            rgba(0, 0, 0, 0.03) 0px,
            rgba(0, 0, 0, 0.03) 1px,
            transparent 1px,
            transparent 3px);
}

::selection {
    background: rgba(0, 255, 65, 0.3);
    color: #fff;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #00ff41, #00cc33);
    border-radius: 3px;
}

/* ========================================
   CANVASES
   ======================================== */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.12;
}

#cursor-trail-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9998;
    pointer-events: none;
}

/* ========================================
   NAVIGATION
   ======================================== */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-smooth);
    background: transparent;
}

#navbar.scrolled {
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 255, 65, 0.08);
    padding: 10px 0;
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--accent-green);
    letter-spacing: -0.5px;
}

.logo-bracket {
    color: #39ff14;
    font-weight: 800;
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 8px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 4px;
    transition: var(--transition-smooth);
    position: relative;
    letter-spacing: 0.5px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-green);
    text-shadow: 0 0 8px rgba(0, 255, 65, 0.4);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--accent-green);
    border-radius: 1px;
    box-shadow: 0 0 6px rgba(0, 255, 65, 0.5);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--accent-green);
    border-radius: 2px;
    transition: var(--transition-smooth);
    box-shadow: 0 0 4px rgba(0, 255, 65, 0.3);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.gradient-text {
    color: var(--accent-green);
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.4);
}

.section-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 30px;
}

.section {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 50px;
    color: var(--text-primary);
    text-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

.title-accent {
    color: var(--accent-green-bright);
    font-size: 1rem;
    font-weight: 600;
    margin-right: 10px;
    font-family: var(--font-body);
    opacity: 0.7;
}

/* Glass Card Base - Terminal Style */
.glass-card {
    background: rgba(0, 255, 65, 0.02);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid rgba(0, 255, 65, 0.1);
    border-radius: 4px;
    padding: 28px;
    transition: var(--transition-smooth);
    position: relative;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 65, 0.4), transparent);
    opacity: 0;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    background: rgba(0, 255, 65, 0.05);
    border-color: rgba(0, 255, 65, 0.3);
    transform: translateY(-2px);
    box-shadow: var(--glow-green);
}

.glass-card:hover::before {
    opacity: 1;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    padding: 120px 30px 80px;
}

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

.hero-greeting {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 16px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.2s;
}

.hero-greeting::before {
    content: '> ';
    color: var(--accent-green);
}

.hero-name {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--accent-green);
    text-shadow: 0 0 30px rgba(0, 255, 65, 0.4), 0 0 60px rgba(0, 255, 65, 0.15);
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.4s;
    letter-spacing: 2px;
}

.hero-tagline {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    min-height: 2em;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.6s;
}

.tagline-prefix {
    color: var(--text-muted);
}

.typing-text {
    color: var(--accent-green-bright);
    font-weight: 600;
}

.typing-cursor {
    color: var(--accent-green);
    font-weight: 300;
    animation: blink 0.7s step-end infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.hero-description {
    font-size: 0.95rem;
    color: var(--text-muted);
    max-width: 580px;
    margin: 0 auto 40px;
    line-height: 1.9;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.8s;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 1s;
}

/* Buttons - Terminal Style */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font-body);
    text-decoration: none;
    border-radius: 2px;
    transition: var(--transition-smooth);
    letter-spacing: 1px;
    cursor: pointer;
    text-transform: uppercase;
}

.btn-primary {
    background: transparent;
    color: var(--accent-green);
    border: 1px solid var(--accent-green);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.15);
}

.btn-primary:hover {
    background: rgba(0, 255, 65, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--glow-green-strong);
    text-shadow: 0 0 8px rgba(0, 255, 65, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid rgba(0, 255, 65, 0.3);
}

.btn-outline:hover {
    color: var(--accent-green);
    border-color: var(--accent-green);
    background: rgba(0, 255, 65, 0.05);
    transform: translateY(-2px);
    box-shadow: var(--glow-green);
}

/* ========================================
   ABOUT SECTION
   ======================================== */
.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 16px;
    line-height: 1.9;
}

.about-card p:last-child {
    margin-bottom: 0;
}

.about-card strong {
    color: var(--accent-green);
    font-weight: 600;
}

/* ========================================
   ABOUT HIGHLIGHTS
   ======================================== */
.about-highlights {
    display: flex;
    gap: 32px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(0, 255, 65, 0.08);
    justify-content: center;
}

.highlight-item {
    text-align: center;
}

.highlight-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-green);
    text-shadow: 0 0 15px rgba(0, 255, 65, 0.4);
    line-height: 1.2;
}

.highlight-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ========================================
   SKILLS SECTION
   ======================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.skill-category {
    text-align: center;
}

.skill-category:hover {
    box-shadow: var(--glow-green);
}

.skill-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 14px;
    color: var(--accent-green);
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 0 4px rgba(0, 255, 65, 0.3));
}

.skill-icon svg {
    width: 100%;
    height: 100%;
}

.skill-category h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 14px;
    color: var(--text-primary);
}

.skill-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.pill {
    padding: 5px 14px;
    background: rgba(0, 255, 65, 0.05);
    border: 1px solid rgba(0, 255, 65, 0.2);
    border-radius: 2px;
    font-size: 0.8rem;
    color: var(--accent-green);
    font-weight: 500;
    transition: var(--transition-smooth);
    font-family: var(--font-body);
}

.pill:hover {
    background: rgba(0, 255, 65, 0.12);
    border-color: rgba(0, 255, 65, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.15);
    text-shadow: 0 0 6px rgba(0, 255, 65, 0.3);
}

/* ========================================
   PROJECTS SECTION
   ======================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.project-card {
    display: flex;
    flex-direction: column;
    cursor: default;
    overflow: hidden;
}

.project-card:hover {
    box-shadow: var(--glow-green);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.project-icon {
    width: 36px;
    height: 36px;
    color: var(--accent-green);
    filter: drop-shadow(0 0 4px rgba(0, 255, 65, 0.3));
}

.project-icon svg {
    width: 100%;
    height: 100%;
}

.project-link {
    width: 22px;
    height: 22px;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.project-link svg {
    width: 100%;
    height: 100%;
}

.project-link:hover {
    color: var(--accent-green);
    transform: translateY(-2px);
    filter: drop-shadow(0 0 6px rgba(0, 255, 65, 0.4));
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
    transition: var(--transition-smooth);
}

.project-card:hover .project-title {
    color: var(--accent-green-bright);
    text-shadow: 0 0 8px rgba(0, 255, 65, 0.3);
}

.project-description {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 20px;
    flex-grow: 1;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.5s ease, opacity 0.4s ease, margin 0.4s ease;
    line-height: 1.7;
}

.project-card:hover .project-description {
    max-height: 200px;
    opacity: 1;
    margin-bottom: 20px;
}

.project-description::before {
    content: '> ';
    color: var(--accent-green);
    font-weight: 700;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.tech-tag {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    font-family: var(--font-body);
    padding: 2px 8px;
    border: 1px solid rgba(0, 255, 65, 0.1);
    border-radius: 2px;
}

.project-card:hover .tech-tag {
    color: var(--accent-green);
    border-color: rgba(0, 255, 65, 0.3);
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.contact-intro {
    color: var(--text-secondary);
    font-size: 0.95rem;
    max-width: 600px;
    margin-bottom: 50px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.contact-card {
    text-decoration: none;
    text-align: center;
    cursor: pointer;
}

.contact-card:hover {
    box-shadow: var(--glow-green);
}

.contact-icon {
    width: 32px;
    height: 32px;
    margin: 0 auto 12px;
    color: var(--accent-green);
    transition: var(--transition-smooth);
    filter: drop-shadow(0 0 4px rgba(0, 255, 65, 0.2));
}

.contact-icon svg {
    width: 100%;
    height: 100%;
}

.contact-card:hover .contact-icon {
    color: var(--accent-green-bright);
    transform: scale(1.15);
    filter: drop-shadow(0 0 8px rgba(0, 255, 65, 0.5));
}

.contact-card h4 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.contact-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ========================================
   FOOTER
   ======================================== */
footer {
    position: relative;
    z-index: 1;
    padding: 40px 30px;
    text-align: center;
    border-top: 1px solid rgba(0, 255, 65, 0.08);
}

.footer-tagline {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.footer-copy {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ========================================
   SCROLL REVEAL ANIMATION
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Terminal flicker for hero name */
@keyframes terminalFlicker {

    0%,
    100% {
        opacity: 1;
    }

    3% {
        opacity: 0.85;
    }

    6% {
        opacity: 1;
    }

    7.5% {
        opacity: 0.9;
    }

    9% {
        opacity: 1;
    }
}

.hero-name {
    animation: fadeInUp 0.8s ease forwards, terminalFlicker 4s infinite 2s;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 768px) {
    :root {
        --section-padding: 70px 0;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 300px;
        height: 100vh;
        background: rgba(10, 10, 10, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 100px 30px 30px;
        gap: 4px;
        transition: right 0.4s ease;
        border-left: 1px solid rgba(0, 255, 65, 0.1);
    }

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

    .nav-link {
        font-size: 1rem;
        padding: 12px 16px;
    }

    .hero-name {
        font-size: clamp(2rem, 10vw, 3.5rem);
    }

    .hero-tagline {
        font-size: 1rem;
        flex-direction: column;
        gap: 4px;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }

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

    /* On mobile, show descriptions always since no hover */
    .project-description {
        max-height: 200px;
        opacity: 1;
        margin-bottom: 16px;
    }

    .contact-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }

    .glass-card {
        padding: 22px;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: 100px 20px 60px;
    }

    .section-container {
        padding: 0 16px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }

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

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

    .about-highlights {
        flex-direction: column;
        gap: 16px;
    }

    .hero-greeting {
        font-size: 0.85rem;
    }
}

@media (max-width: 360px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hero-name {
        font-size: clamp(1.8rem, 10vw, 2.5rem);
    }
}

/* Button Icon */
.btn-icon {
    width: 18px;
    height: 18px;
    display: inline-block;
    vertical-align: middle;
    margin-right: 8px;
    margin-top: -2px;
}