/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;700&family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --bg-dark: #050811;
    --bg-card: rgba(13, 20, 38, 0.45);
    --border-card: rgba(255, 255, 255, 0.05);
    --border-glow: rgba(59, 130, 246, 0.3);
    
    /* Neons & Accents */
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-purple: #a855f7;
    --accent-emerald: #10b981;
    --accent-glow: rgba(59, 130, 246, 0.15);
    
    /* Text Colors */
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    /* Fonts */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Fira Code', monospace;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-dark);
}

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

canvas#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
}

.site-wrapper {
    position: relative;
    z-index: 1;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(59, 130, 246, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}

/* Selection Color */
::selection {
    background-color: rgba(6, 182, 212, 0.3);
    color: white;
}

/* ==========================================================================
   TYPOGRAPHY & LAYOUT UTILITIES
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 7rem 0;
    position: relative;
}

.section-title-wrapper {
    text-align: center;
    margin-bottom: 4.5rem;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 30%, var(--text-secondary) 70%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    border-radius: 2px;
}

.section-desc {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 1rem auto 0;
    font-size: 1.1rem;
}

/* Glassmorphism panels */
.glass-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 1rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
    transition: var(--transition-smooth);
}

.glass-panel:hover {
    border-color: var(--border-glow);
    box-shadow: 0 12px 40px 0 rgba(59, 130, 246, 0.15);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 1.25rem 0;
    transition: var(--transition-smooth);
}

.header.scrolled {
    padding: 0.85rem 0;
    background: rgba(5, 8, 17, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    background: linear-gradient(135deg, #fff, var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.logo span {
    color: var(--accent-cyan);
    font-weight: 900;
}

.logo:hover {
    opacity: 0.9;
    transform: scale(0.98);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.25rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link:hover::after {
    width: 100%;
}

.menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 4.8rem;
    left: 1.5rem;
    right: 1.5rem;
    background: rgba(8, 13, 28, 0.96);
    border: 1px solid var(--border-card);
    backdrop-filter: blur(20px);
    border-radius: 0.75rem;
    padding: 1.5rem;
    z-index: 99;
    box-shadow: 0 15px 40px rgba(0,0,0,0.5);
}

.mobile-nav.active {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.mobile-nav .nav-link {
    font-size: 1.1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-nav .nav-link:last-child {
    border-bottom: none;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn-group {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 0.9rem 2.2rem;
    border-radius: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: white;
    box-shadow: 0 4px 20px rgba(6, 182, 212, 0.25);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 24px rgba(6, 182, 212, 0.4);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-card);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--accent-cyan);
    transform: translateY(-3px);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 8rem;
    padding-bottom: 5rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-tag {
    align-self: flex-start;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.9rem;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.25);
    border-radius: 2rem;
    color: var(--accent-cyan);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-tag span {
    width: 6px;
    height: 6px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: pulse 1.8s infinite;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
}

.hero-title span {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 60%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-typing {
    display: flex;
    align-items: center;
    min-height: 40px;
}

.hero-typing img {
    max-width: 100%;
    height: auto;
}

.hero-desc {
    color: var(--text-secondary);
    font-size: 1.15rem;
    max-width: 540px;
    line-height: 1.7;
}

/* ==========================================================================
   DEVELOPER TERMINAL
   ========================================================================== */
.terminal-window {
    background: #060913;
    border: 1px solid #1e293b;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    font-family: var(--font-mono);
    height: 400px;
    display: flex;
    flex-direction: column;
}

.terminal-header {
    background: #0f172a;
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #1e293b;
}

.terminal-buttons {
    display: flex;
    gap: 0.45rem;
}

.terminal-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-btn.red { background: #ef4444; }
.terminal-btn.yellow { background: #f59e0b; }
.terminal-btn.green { background: #10b981; }

.terminal-title {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
}

.terminal-menu-tabs {
    display: flex;
    background: #0c111d;
    border-bottom: 1px solid #1e293b;
}

.terminal-tab {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    border-right: 1px solid #1e293b;
    cursor: pointer;
    transition: var(--transition-fast);
}

.terminal-tab.active {
    background: #060913;
    color: var(--accent-cyan);
    font-weight: 600;
    border-bottom: 1px solid transparent;
}

.terminal-body {
    padding: 1.25rem;
    flex-grow: 1;
    overflow-y: auto;
    font-size: 0.85rem;
    color: #e2e8f0;
    line-height: 1.5;
}

.terminal-input-line {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.terminal-prompt {
    color: var(--accent-emerald);
}

.terminal-input {
    background: transparent;
    border: none;
    outline: none;
    color: #e2e8f0;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    flex-grow: 1;
    caret-color: var(--accent-cyan);
}

.terminal-help-list {
    margin: 0.5rem 0;
    padding-left: 1rem;
    color: var(--text-secondary);
}

.terminal-help-list li span {
    color: var(--accent-cyan);
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: stretch;
}

.about-card {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.highlight-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.highlight-icon {
    font-size: 1.25rem;
    color: var(--accent-cyan);
    text-shadow: 0 0 10px rgba(6, 182, 212, 0.4);
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.highlight-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.highlight-text strong {
    color: var(--text-primary);
}

.about-footer {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.about-footer span strong {
    color: var(--text-primary);
}

.code-editor-mock {
    background: #090e1a;
    border: 1px solid #1e293b;
    border-radius: 0.75rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    font-family: var(--font-mono);
}

.editor-titlebar {
    background: #0c1524;
    padding: 0.75rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #1e293b;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.editor-window {
    display: flex;
    flex-grow: 1;
    overflow-y: auto;
    padding: 1.25rem;
    font-size: 0.8rem;
    line-height: 1.6;
}

.line-numbers {
    color: #334155;
    text-align: right;
    padding-right: 1.25rem;
    border-right: 1px solid #1e293b;
    user-select: none;
}

.editor-content {
    padding-left: 1.25rem;
    color: #cbd5e1;
    overflow-x: auto;
    width: 100%;
}

.keyword { color: #f472b6; }
.class-name { color: #fcd34d; font-weight: 600; }
.string { color: #34d399; }
.property { color: #38bdf8; }
.comment { color: #64748b; font-style: italic; }

/* ==========================================================================
   SKILLS SECTION
   ========================================================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.skill-category {
    padding: 2.25rem;
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.skill-category-icon {
    font-size: 1.75rem;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-card);
}

.skill-category-title {
    font-size: 1.35rem;
    color: var(--text-primary);
}

.skill-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.skill-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.9rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.skill-badge img {
    height: 16px;
    width: auto;
}

.skill-badge:hover {
    color: var(--text-primary);
    background: rgba(6, 182, 212, 0.08);
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
}

.skill-bullets {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 1.25rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.skill-bullet-item {
    display: block;
    margin-bottom: 0.4rem;
}

/* ==========================================================================
   PROJECTS SECTION
   ========================================================================== */
.projects-filter-bar {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-card);
    color: var(--text-secondary);
    padding: 0.6rem 1.4rem;
    border-radius: 2rem;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent-cyan);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.2);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    padding: 2rem;
    cursor: pointer;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.project-tag {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.2);
    padding: 0.35rem 0.75rem;
    border-radius: 2rem;
}

.project-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.project-title {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.project-slogan {
    color: var(--accent-blue);
    font-size: 0.9rem;
    font-style: italic;
    margin-bottom: 1rem;
}

.project-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.75rem;
}

.project-tech-badge {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-family: var(--font-mono);
}

.project-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 1.25rem;
}

.project-info-stat {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.project-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: #0f172a;
    border: 1px solid #1e293b;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.45rem 0.85rem;
    border-radius: 0.375rem;
    transition: var(--transition-fast);
}

.project-link-btn:hover {
    background: #1e293b;
    border-color: var(--accent-cyan);
}

/* ==========================================================================
   ACHIEVEMENTS TIMELINE
   ========================================================================== */
.timeline-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-container::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-blue), var(--accent-cyan), transparent);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3.5rem;
    width: 100%;
}

.timeline-item::after {
    content: '';
    display: table;
    clear: both;
}

.timeline-badge {
    position: absolute;
    top: 1.5rem;
    left: 50%;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 3px solid var(--accent-cyan);
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.6);
    transform: translateX(-50%);
    z-index: 2;
}

.timeline-panel {
    position: relative;
    width: 45%;
    padding: 2rem;
    float: left;
}

.timeline-item:nth-child(even) .timeline-panel {
    float: right;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.timeline-title {
    font-size: 1.35rem;
    margin-bottom: 0.5rem;
}

.timeline-subtitle {
    color: var(--accent-blue);
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.timeline-body {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.timeline-panel .btn-secondary {
    margin-top: 1.25rem;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

/* ==========================================================================
   GITHUB STATS
   ========================================================================== */
.stats-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.stats-row-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.stats-box {
    padding: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.stats-box img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.25));
    border-radius: 0.5rem;
}

.streak-box {
    padding: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.streak-box img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.25));
    border-radius: 0.5rem;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-card-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.5rem;
}

.contact-card-icon {
    width: 48px;
    height: 48px;
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    font-size: 1.25rem;
}

.contact-card-content h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.contact-card-content p, .contact-card-content a {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.contact-card-content a:hover {
    color: var(--accent-cyan);
}

.contact-form-panel {
    padding: 2.5rem;
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-input {
    width: 100%;
    padding: 1rem 0;
    background: transparent;
    border: none;
    border-bottom: 1.5px solid var(--border-card);
    outline: none;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-label {
    position: absolute;
    top: 1rem;
    left: 0;
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition-fast);
}

.form-input:focus ~ .form-label,
.form-input:valid ~ .form-label {
    top: -0.75rem;
    font-size: 0.8rem;
    color: var(--accent-cyan);
}

.form-input:focus {
    border-color: var(--accent-cyan);
}

.form-textarea {
    min-height: 100px;
    resize: none;
}

/* ==========================================================================
   MODAL WINDOW (PROJECT DETAILS)
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(3, 7, 18, 0.85);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-container {
    max-width: 750px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    padding: 2.5rem;
}

.modal-close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.5rem;
    transition: var(--transition-fast);
}

.modal-close-btn:hover {
    color: var(--text-primary);
}

.modal-project-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent-cyan);
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid rgba(6, 182, 212, 0.2);
    padding: 0.3rem 0.75rem;
    border-radius: 2rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.modal-project-title {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
}

.modal-project-slogan {
    font-size: 1.1rem;
    color: var(--accent-blue);
    font-style: italic;
    margin-bottom: 1.5rem;
}

.modal-project-body {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1rem;
    line-height: 1.7;
}

.modal-project-body h4 {
    color: var(--text-primary);
    font-size: 1.15rem;
    margin: 1.5rem 0 0.5rem;
}

.modal-project-body ul {
    padding-left: 1.25rem;
    margin-bottom: 1rem;
}

.modal-project-body li {
    margin-bottom: 0.4rem;
}

.modal-project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 1.5rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background: #03060c;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding: 4rem 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    text-align: center;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.footer-logo span {
    color: var(--accent-cyan);
}

.footer-socials {
    display: flex;
    gap: 1.5rem;
}

.footer-social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-card);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-social-link:hover {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    padding: 1.25rem 1.75rem;
    border-left: 4px solid var(--accent-cyan);
    animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    min-width: 300px;
}

.toast.error {
    border-left-color: #ef4444;
}

.toast-title {
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.toast-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   ANIMATIONS & STATE STYLES
   ========================================================================== */
@keyframes pulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.3);
        box-shadow: 0 0 10px rgba(6, 182, 212, 0.8);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVENESS)
   ========================================================================== */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 4rem;
    }
    .hero-content {
        align-items: center;
    }
    .hero-tag {
        align-self: center;
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    .timeline-container::before {
        left: 2rem;
    }
    .timeline-panel {
        width: calc(100% - 4rem);
        float: right !important;
    }
    .timeline-badge {
        left: 2rem;
    }
    .stats-row-top {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .menu-btn {
        display: block;
    }
    .hero-title {
        font-size: 2.85rem;
    }
    .section-title {
        font-size: 2.25rem;
    }
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    .btn {
        width: 100%;
    }
    .modal-container {
        padding: 1.5rem;
    }
}