/* ==========================================================================
   TRON / CYBERPUNK FUTURISTIC THEME (THRONE STYLE)
   ========================================================================== */

:root {
    /* Color Palette */
    --bg-dark: #05070f;
    --bg-surface: rgba(12, 16, 32, 0.75);
    --bg-surface-hover: rgba(20, 26, 50, 0.85);
    --border-cyber: rgba(0, 243, 255, 0.15);
    --border-cyber-active: rgba(0, 243, 255, 0.6);
    
    /* Neon Accents */
    --neon-cyan: #00f3ff;
    --neon-purple: #b000ff;
    --neon-blue: #0077ff;
    --neon-glow-cyan: rgba(0, 243, 255, 0.25);
    --neon-glow-purple: rgba(176, 0, 255, 0.25);

    /* Text Colors */
    --text-main: #f0f4f8;
    --text-muted: #8e9bb0;
    --text-cyber: #00f3ff;

    /* Fonts */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --font-code: 'Fira Code', monospace;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

/* Scroll Reveal Animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    background-image: 
        linear-gradient(rgba(0, 243, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 243, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: center center;
}

/* Cyber Ambient Glow Orbs */
.cyber-glow-bg {
    position: fixed;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--glow-color-1, rgba(0, 243, 255, 0.25)) 0%, rgba(0,0,0,0) 70%);
    top: -100px;
    left: -100px;
    border-radius: 50%;
    filter: blur(90px);
    pointer-events: none;
    z-index: 0;
}

.cyber-glow-bg.purple {
    background: radial-gradient(circle, var(--glow-color-2, rgba(176, 0, 255, 0.25)) 0%, rgba(0,0,0,0) 70%);
    top: auto;
    left: auto;
    bottom: -100px;
    right: -100px;
}

/* Tron Canvas Background */
#tron-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    opacity: 0.85;
}

/* Top Navigation Bar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(5, 7, 15, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-cyber);
    padding: 16px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-main);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-weight: 900;
    box-shadow: 0 0 15px var(--neon-glow-cyan);
}

.nav-links {
    display: flex;
    gap: 24px;
    list-style: none;
    align-items: center;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.nav-link:hover {
    color: var(--neon-cyan);
    text-shadow: 0 0 8px var(--neon-glow-cyan);
}

/* Language Switcher Controls */
.lang-switcher {
    display: flex;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-cyber);
    border-radius: 20px;
    padding: 3px;
    gap: 2px;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-btn.active {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
    color: #000;
    box-shadow: 0 0 10px var(--neon-glow-cyan);
}

/* Main Container Layout */
.main-container {
    position: relative;
    z-index: 10;
    max-width: 1100px;
    margin: 120px auto 60px auto;
    padding: 0 24px;
}

/* Section Common Styling */
.section {
    margin-bottom: 90px;
    scroll-margin-top: 150px;
}

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

.section-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 36px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-main);
    position: relative;
}

.section-title span {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px var(--neon-glow-cyan);
}

.section-line {
    flex-grow: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border-cyber-active), transparent);
}

/* Hero / About Section */
.about-card {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-cyber);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--neon-cyan), var(--neon-purple));
    box-shadow: 0 0 15px var(--neon-cyan);
}

.hero-name {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #ffffff 0%, var(--neon-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
}

.hero-title {
    font-family: var(--font-code);
    color: var(--neon-purple);
    font-size: 1.15rem;
    margin-bottom: 20px;
    text-shadow: 0 0 8px var(--neon-glow-purple);
}

.hero-bio {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 30px;
    max-width: 800px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-cyber {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
    color: #000;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 12px 24px;
    border-radius: 10px;
    text-decoration: none;
    letter-spacing: 1px;
    box-shadow: 0 0 20px var(--neon-glow-cyan);
    transition: all 0.3s ease;
}

.btn-cyber:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 243, 255, 0.5);
}

.social-bar {
    display: flex;
    gap: 12px;
}

.social-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-cyber);
    color: var(--text-main);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-icon-btn:hover {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: 0 0 15px var(--neon-glow-cyan);
    transform: translateY(-2px);
}

/* Timeline Cards (Education & Experience) */
.timeline-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.timeline-card {
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-cyber);
    border-radius: 16px;
    padding: 28px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.timeline-card:hover {
    border-color: var(--border-cyber-active);
    box-shadow: 0 10px 30px rgba(0, 243, 255, 0.1);
    transform: translateY(-3px);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 10px;
}

.card-main-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--text-main);
}

.card-date {
    font-family: var(--font-code);
    font-size: 0.85rem;
    color: var(--neon-cyan);
    background: rgba(0, 243, 255, 0.08);
    border: 1px solid rgba(0, 243, 255, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
}

.card-subtitle {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 14px;
}

.highlights-list {
    margin-left: 20px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.highlights-list li {
    margin-bottom: 6px;
}

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

.project-card {
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-cyber);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover {
    border-color: var(--neon-cyan);
    box-shadow: 0 10px 30px rgba(0, 243, 255, 0.15);
    transform: translateY(-4px);
}

.project-img-wrapper {
    height: 180px;
    background: #090d1a;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-cyber);
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-img-placeholder {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--neon-cyan);
    letter-spacing: 2px;
    opacity: 0.6;
}

.project-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-main);
}

.project-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tech-tag {
    font-family: var(--font-code);
    font-size: 0.75rem;
    color: var(--neon-purple);
    background: rgba(176, 0, 255, 0.08);
    border: 1px solid rgba(176, 0, 255, 0.2);
    padding: 3px 10px;
    border-radius: 6px;
}

.project-links {
    display: flex;
    gap: 12px;
    margin-top: auto;
}

.project-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-main);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-cyber);
    transition: all 0.2s ease;
}

.project-link-btn:hover {
    background: var(--neon-cyan);
    color: #000;
    border-color: var(--neon-cyan);
}

/* Admin Link & Footer */
.footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid var(--border-cyber);
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 80px;
}

.admin-link {
    color: var(--neon-cyan);
    text-decoration: none;
    font-family: var(--font-code);
    margin-top: 10px;
    display: inline-block;
}

.admin-link:hover {
    text-decoration: underline;
}

/* Responsive Breakpoints */
@media (max-width: 768px) {
    .navbar {
        padding: 14px 20px;
    }

    .nav-links {
        display: none; /* Can be toggled or kept simple for mobile */
    }

    .hero-name {
        font-size: 2rem;
    }

    .about-card {
        padding: 24px;
    }

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