/* -------------------------------------------------------------
   Mehedi Hasan - Premium Animated Portfolio Style Sheet
   ------------------------------------------------------------- */

/* Import Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* CSS Variables for Design System */
:root {
    --bg-main: #06090e;
    --bg-darker: #030508;
    --bg-card: rgba(13, 17, 23, 0.65);
    --border-color: rgba(240, 246, 252, 0.08);
    --border-glow: rgba(0, 242, 254, 0.25);

    /* Neon Palettes */
    --primary: #00f2fe;
    /* Neon Cyan */
    --secondary: #4facfe;
    /* Neon Blue */
    --accent: #bf55ec;
    /* Cyber Purple */
    --accent-red: #ff0844;
    /* Electric Red */

    /* Text Colors */
    --text-main: #f0f6fc;
    --text-muted: #8b949e;
    --text-dark: #1f242c;

    /* Gradients */
    --grad-primary: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    --grad-accent: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
    --grad-dark: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-darker) 100%);
    --grad-glow: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent), var(--primary));

    /* Font Families */
    --font-heading: 'Outfit', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Core Shadows */
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 20px rgba(0, 242, 254, 0.2);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-slow: 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Global Reset & Base Styling */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scrollbar-width: thin;
    scrollbar-color: var(--secondary) var(--bg-darker);
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(79, 172, 254, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(191, 85, 236, 0.05) 0%, transparent 40%);
    background-attachment: fixed;
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

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

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

::-webkit-scrollbar-thumb {
    background: #1f2937;
    border-radius: 4px;
    border: 2px solid var(--bg-darker);
}

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

/* Custom Interactive Cursor */
.custom-cursor {
    width: 8px;
    height: 8px;
    background-color: var(--primary);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    transition: width 0.2s, height 0.2s, background-color 0.2s;
}

.custom-cursor-follower {
    width: 36px;
    height: 36px;
    border: 1px solid var(--secondary);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9998;
    transition: transform 0.08s cubic-bezier(0.25, 1, 0.5, 1), width 0.2s, height 0.2s, border-color 0.2s;
}

/* Cursor States on Hover */
body.hovered-link .custom-cursor {
    width: 14px;
    height: 14px;
    background-color: var(--accent);
}

body.hovered-link .custom-cursor-follower {
    width: 48px;
    height: 48px;
    border-color: var(--accent);
    background-color: rgba(191, 85, 236, 0.1);
}

/* Dynamic Interactive Canvas Particles Background */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

/* Typography elements */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-main);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
    margin-bottom: 10px;
    display: inline-block;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-top: 5px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--grad-primary);
    margin: 15px auto 0 auto;
    border-radius: 2px;
}

/* Glassmorphic Cards Styling */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.glass-card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    transform: translateY(-5px);
}

/* Floating Navigation Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(6, 9, 14, 0.4);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

header.scrolled {
    background: rgba(3, 5, 8, 0.85);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo span {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-link {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding: 8px 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--grad-primary);
    transition: var(--transition-normal);
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
#hero {
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
}

.hero-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--secondary);
    margin-bottom: 15px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-title span {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-taglines {
    height: 40px;
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.typewrite-cursor {
    width: 2px;
    height: 1.2em;
    background-color: var(--accent);
    animation: blink 0.7s infinite;
    display: inline-block;
}

.hero-cta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Button Animations & Styling */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--grad-primary);
    color: var(--bg-darker);
    border: none;
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.5), var(--shadow-glow);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(0, 242, 254, 0.05);
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.1);
    transform: translateY(-2px);
}

/* Interactive CLI Terminal Mockup */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.terminal-mockup {
    width: 100%;
    max-width: 450px;
    background: #090d16;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.terminal-header {
    background: #111827;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
}

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

.dot-red {
    background: #ef4444;
}

.dot-yellow {
    background: #f59e0b;
}

.dot-green {
    background: #10b981;
}

.terminal-title {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-left: auto;
    font-family: monospace;
}

.terminal-body {
    padding: 24px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    color: #38bdf8;
    min-height: 280px;
}

.terminal-line {
    margin-bottom: 8px;
    line-height: 1.5;
}

.terminal-prompt {
    color: #34d399;
}

.terminal-output {
    color: var(--text-main);
}

/* --- ABOUT SECTION --- */
.about-grid {
    display: grid;
    grid-template-columns: 0.82fr 1.18fr;
    gap: 50px;
    align-items: flex-start;
}

.profile-container {
    position: relative;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
}

.profile-glow {
    position: absolute;
    top: -10px;
    left: -10px;
    width: calc(100% + 20px);
    height: calc(100% + 20px);
    background: linear-gradient(45deg, var(--primary), var(--accent));
    border-radius: 20px;
    z-index: -1;
    opacity: 0.4;
    filter: blur(12px);
    animation: pulse 4s infinite alternate;
}

.profile-img-card {
    width: 100%;
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
    background: var(--bg-darker);
}

.profile-img-card img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.profile-img-card:hover img {
    transform: scale(1.05);
}

.about-summary {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-main);
    margin-bottom: 30px;
    text-align: justify;
}

/* Highlights Section */
.highlights-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.highlight-box {
    text-align: center;
    padding: 20px;
}

.highlight-box .number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    margin-bottom: 5px;
    font-family: var(--font-heading);
}

.highlight-box .label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --- SKILLS & COMPETENCIES --- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.skill-category h3 {
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.skill-category h3 i {
    font-size: 1.1rem;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-badge {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

.skill-badge:hover {
    background: rgba(0, 242, 254, 0.08);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    color: var(--primary);
}

/* Infinite Scrolling Tech Marquee */
.marquee-wrapper {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background: rgba(13, 17, 23, 0.3);
}

.marquee-wrapper::before,
.marquee-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    width: 150px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.marquee-wrapper::before {
    left: 0;
    background: linear-gradient(90deg, var(--bg-main) 0%, transparent 100%);
}

.marquee-wrapper::after {
    right: 0;
    background: linear-gradient(270deg, var(--bg-main) 0%, transparent 100%);
}

.marquee-content {
    display: flex;
    width: max-content;
    animation: scroll-marquee 24s linear infinite;
}

.marquee-content:hover {
    animation-play-state: paused;
}

.marquee-item {
    padding: 0 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.marquee-item:hover {
    color: var(--primary);
    transform: scale(1.1);
}

.marquee-item i {
    font-size: 2.5rem;
}

.marquee-item span {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* --- EXPERIENCE TIMELINE --- */
.timeline-container {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 0;
}

.timeline-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 40px;
    height: 100%;
    width: 3px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--accent) 50%, var(--bg-main) 100%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    padding-left: 80px;
}

.timeline-node {
    position: absolute;
    left: 27px;
    top: 6px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-darker);
    border: 3px solid var(--secondary);
    z-index: 10;
    box-shadow: 0 0 10px rgba(79, 172, 254, 0.5);
    transition: var(--transition-normal);
}

.timeline-item:hover .timeline-node {
    background: var(--accent);
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.8);
    transform: scale(1.2);
}

.timeline-content {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.timeline-content:hover {
    border-color: var(--border-glow);
}

.timeline-date {
    display: inline-block;
    padding: 5px 12px;
    background: rgba(0, 242, 254, 0.08);
    border: 1px solid rgba(0, 242, 254, 0.2);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 12px;
}

.timeline-role {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.timeline-company {
    font-size: 1.05rem;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: 15px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.timeline-details {
    list-style: none;
}

.timeline-details li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: var(--text-muted);
}

.timeline-details li::before {
    content: '➔';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-size: 0.85rem;
}

/* --- PROJECTS & PORTFOLIO --- */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 45px;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 10px 22px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--grad-primary);
    color: var(--bg-darker);
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.project-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.project-card-header i.project-icon {
    font-size: 1.8rem;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.project-card-links {
    display: flex;
    gap: 12px;
}

.project-card-links a {
    color: var(--text-muted);
    font-size: 1.25rem;
}

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

.project-card-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.project-card-desc {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
    text-align: justify;
}

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

.project-card-tag {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 3px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--secondary);
}

.project-more-btn {
    margin-top: auto;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    transition: var(--transition-fast);
}

.project-more-btn:hover {
    color: var(--accent);
}

.project-more-btn i {
    transition: transform var(--transition-fast);
}

.project-more-btn:hover i {
    transform: translateX(4px);
}

/* --- CERTIFICATIONS SECTION --- */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.cert-card {
    display: flex;
    align-items: center;
    gap: 20px;
}

.cert-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(0, 242, 254, 0.08);
    border: 1px solid rgba(0, 242, 254, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    flex-shrink: 0;
}

.cert-info h3 {
    font-size: 1.05rem;
    margin-bottom: 4px;
}

.cert-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* --- FROM THE BLOG --- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

.blog-card {
    display: flex;
    flex-direction: column;
}

.blog-card-meta {
    font-size: 0.8rem;
    color: var(--secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 10px;
}

.blog-card-title {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.blog-card-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
    text-align: justify;
}

/* --- CONTACT & NEWSLETTER --- */
.contact-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(79, 172, 254, 0.08);
    border: 1px solid rgba(79, 172, 254, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--secondary);
    flex-shrink: 0;
}

.contact-method-detail h3 {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.contact-method-detail p,
.contact-method-detail a {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.social-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.social-icon:hover {
    background: var(--grad-primary);
    color: var(--bg-darker);
    border-color: transparent;
    transform: translateY(-3px) rotate(8deg);
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

/* Subscription Form Inputs */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    position: relative;
}

.form-control {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px 20px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-main);
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.05);
    outline: none;
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.1);
}

.form-label {
    position: absolute;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.form-control:focus~.form-label,
.form-control:not(:placeholder-shown)~.form-label {
    top: 0;
    font-size: 0.75rem;
    background: var(--bg-main);
    padding: 2px 8px;
    color: var(--primary);
    left: 12px;
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

textarea.form-control~.form-label {
    top: 25px;
}

textarea.form-control:focus~.form-label,
textarea.form-control:not(:placeholder-shown)~.form-label {
    top: 0;
}

.form-status {
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 10px;
    display: none;
}

.form-status.success {
    color: #10b981;
    display: block;
}

.form-status.error {
    color: #ef4444;
    display: block;
}

/* --- FOOTER --- */
footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    background: var(--bg-darker);
    text-align: center;
}

footer p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* --- INTERACTIVE PROJECT MODAL --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(3, 5, 8, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    max-width: 650px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 40px;
    position: relative;
    box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 242, 254, 0.1);
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--accent-red);
}

.modal-header {
    margin-bottom: 25px;
}

.modal-title {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 5px;
}

.modal-subtitle {
    font-size: 0.9rem;
    color: var(--secondary);
    font-weight: 600;
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.modal-section-title {
    font-size: 1.1rem;
    color: var(--text-main);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    margin-bottom: 12px;
    font-weight: 600;
}

.modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.modal-tag {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 4px 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.modal-footer {
    margin-top: 30px;
    display: flex;
    gap: 15px;
    justify-content: flex-end;
}

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

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

/* --- KEYFRAMES --- */
@keyframes blink {
    50% {
        opacity: 0;
    }
}

@keyframes pulse {
    0% {
        transform: scale(0.98);
        opacity: 0.35;
        filter: blur(10px);
    }

    100% {
        transform: scale(1.02);
        opacity: 0.55;
        filter: blur(15px);
    }
}

@keyframes scroll-marquee {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* --- MEDIA QUERIES (RESPONSIVENESS) --- */
@media (max-width: 991px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 50px;
    }

    .hero-title {
        font-size: 3.2rem;
    }

    .hero-taglines {
        justify-content: center;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .timeline-container::before {
        left: 20px;
    }

    .timeline-item {
        padding-left: 50px;
    }

    .timeline-node {
        left: 7px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-darker);
        flex-direction: column;
        align-items: center;
        padding-top: 50px;
        gap: 40px;
        transition: var(--transition-normal);
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: block;
    }

    .highlights-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .modal-content {
        padding: 24px;
    }

    .custom-cursor,
    .custom-cursor-follower {
        display: none;
        /* Disable custom cursor on mobile */
    }
}