:root {
    --bg-color: #000000;
    --text-primary: #ffffff;
    --text-secondary: #d1d1d1;
    --accent-color: #00e5ff;
    --accent-glow: rgba(0, 242, 255, 0.2);
    --glass-bg: rgba(255, 255, 255, 0.05); /* Restore slightly more visible cards */
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    animation: fadeIn 1.2s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; filter: blur(5px); }
    to { opacity: 1; filter: blur(0); }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Background Effects */
.main-bg {
    display: none; /* Restricted to home section only per user request */
}

#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0; /* Behind content */
    pointer-events: none;
    opacity: 0.4; /* Balanced atmosphere */
}

.background-vignette {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: radial-gradient(circle at center, transparent 30%, rgba(0, 242, 255, 0.03) 70%, rgba(0, 0, 0, 0.8) 100%);
    z-index: -2; /* Absolute bottom with hero-bg */
}

.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.03;
    background: url('https://grainy-gradients.vercel.app/noise.svg');
    z-index: 100;
}

main {
    position: relative;
    z-index: 5; /* Above particles at z-index 1 */
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    z-index: 1000; /* Restored to stay above particles */
    display: flex;
    align-items: center;
}

header.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
}

nav.content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

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

.nav-right {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.lang-switcher {
    font-size: 0.8rem;
    font-weight: 600;
    opacity: 0.7;
    cursor: pointer;
}

.menu-toggle {
    display: none; /* Hidden by default on desktop */
    font-size: 1.8rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    z-index: 1005;
    padding: 0.5rem;
}

.menu-toggle.active i::before {
    content: "\f00d"; /* FontAwesome times icon */
}

/* Hero Section */
.hero-section {
    padding-top: 130px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden; /* Prevent background zoom from spilling */
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Darkened overlay for better text contrast */
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.9) 100%), url('assets/home.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2; /* Absolute bottom */
    filter: brightness(0.7) contrast(1.05); /* Reduced brightness as requested */
    transition: transform 0.1s ease-out;
    will-change: transform;
}

.category {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    display: block;
}

.text-mask-wrapper {
    position: relative;
    display: inline-block;
    z-index: 1;
}

.portfolio-title {
    font-family: var(--font-heading);
    font-size: clamp(4.5rem, 15vw, 13rem);
    font-weight: 900;
    line-height: 0.9;
    text-transform: uppercase;
    color: #ffffff00;
    position: relative;
    text-shadow: 1px 1px 0px rgb(255 255 255 / 0%), 
    2px 2px 0px rgba(255, 255, 255, 0.08), 
    3px 3px 0px rgb(255 255 255 / 10%), 
    4px 4px 15px rgb(255 255 255 / 9%), 
    0 10px 30px rgba(255, 255, 255, 0.01);
}

.signature {
    position: absolute;
    bottom: -5%;
    right: -5%;
    font-family: 'Dancing Script', cursive;
    font-size: clamp(2rem, 6vw, 4.5rem);
    color: var(--accent-color);
    text-shadow: 0 0 15px var(--accent-glow);
    transform: rotate(-10deg);
    z-index: 2;
    white-space: nowrap;
}

/* Hero Meta */
.hero-meta {
    margin-top: 4rem;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 3rem;
    align-items: end;
}

.now-card {
    padding: 1.5rem;
    border-radius: 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    max-width: 100%;
    backdrop-filter: blur(5px);
}

.status-indicator {
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
    display: inline-block;
    margin-right: 0.5rem;
    box-shadow: 0 0 10px var(--accent-color);
}

.now-card span {
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 2px;
}

.now-card p {
    font-size: 0.9rem;
    margin-top: 0.5rem;
    color: var(--text-secondary);
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
}

.btn.primary {
    background: var(--accent-color);
    color: #000;
}

.btn.primary:hover {
    box-shadow: 0 0 30px var(--accent-glow);
    transform: translateY(-2px);
}

.btn.outline {
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.btn.outline:hover {
    background: var(--glass-bg);
}

/* Project Cards */
.projects-stack {
    display: grid;
    grid-template-columns: 1fr; /* Default to single column */
    gap: 2.5rem;
    margin-top: 3rem;
}

.project-card {
    padding: 2.5rem;
    border-radius: 30px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.project-card:hover {
    transform: scale(1.02);
    border-color: var(--accent-color);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.project-card h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
}

.project-card p {
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2rem;
}

.project-link {
    background: var(--accent-color);
    color: #000;
    padding: 0.8rem 1.5rem; /* Larger Click Area */
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    transition: var(--transition);
    border: none;
}

.project-link:hover {
    box-shadow: 0 0 25px var(--accent-glow);
    transform: translateY(-2px);
    background: #fff; /* Neon cyan to white shift */
}


.tech-badges {
    display: flex;
    gap: 1rem;
}

.tech-badges span {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    border: 1px solid var(--glass-border);
}

/* Section Headers */
.section {
    padding: 60px 0;
}

.section-header {
    margin-bottom: 2.5rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Grid Layout */
.grid-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 2.5rem;
}

/* Projects Stack Style */
.projects-stack {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 3rem;
}

@media (min-width: 1024px) {
    .projects-stack {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
    }
}

.project-card {
    padding: 2.5rem;
    border-radius: 35px;
    background: rgba(10, 10, 10, 0.7);
    border: 1px solid rgba(0, 229, 255, 0.2);
    backdrop-filter: blur(20px);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--accent-color);
    box-shadow: 0 15px 45px rgba(0, 242, 255, 0.2);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.project-card h3 {
    font-size: 1.6rem;
    font-family: var(--font-heading);
    color: var(--text-primary);
}

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

/* Timeline/Experience */
.timeline-stack {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

@media (min-width: 1024px) {
    .education-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 2.5rem;
        width: 100%;
        align-items: stretch; /* Ensure cards are uniform in height */
    }
    
    .education-grid .timeline-item {
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        border-radius: 35px;
        background: rgba(10, 10, 10, 0.7);
        border: 1px solid rgba(0, 229, 255, 0.2);
        backdrop-filter: blur(20px);
    }
}

.timeline-item {
    padding: 2.2rem;
    border-radius: 35px;
    background: rgba(10, 10, 10, 0.7);
    border: 1px solid rgba(0, 229, 255, 0.2);
    backdrop-filter: blur(20px);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.timeline-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px) scale(1.01);
    box-shadow: 0 10px 30px rgba(0, 242, 255, 0.15);
}

.timeline-item .date {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-color);
    letter-spacing: 2px;
}

.timeline-item h3 {
    font-size: 1.4rem;
    margin: 0.5rem 0;
}

.timeline-item .org {
    color: var(--text-secondary);
    font-weight: 600;
    display: block;
    margin-bottom: 1rem;
}

/* Skills Column */
.skills-card {
    padding: 2.5rem;
    border-radius: 35px;
    background: rgba(10, 10, 10, 0.7);
    border: 1px solid rgba(0, 229, 255, 0.2);
    backdrop-filter: blur(20px);
    margin-bottom: 2.5rem;
}

.skill-group {
    margin-bottom: 2.5rem;
}

.skill-group h4 {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.tag-list, .skill-group .tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.5rem; /* Better vertical and horizontal breathing room */
    margin-top: 1rem;
}

.tag-list span, .skill-group span {
    padding: 0.6rem 1.4rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 229, 255, 0.15);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
    display: inline-block; /* Ensure padding is respected */
}

.tag-list span:hover, .skill-group span:hover {
    background: var(--accent-color);
    color: #000;
    border-color: var(--accent-color);
    box-shadow: 0 0 15px var(--accent-glow);
    transform: translateY(-2px);
}

/* About Stats Style */
.stats-card {
    padding: 3rem;
    border-radius: 35px;
    background: rgba(10, 10, 10, 0.7);
    border: 1px solid rgba(0, 229, 255, 0.2);
    backdrop-filter: blur(20px);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-color);
    font-family: var(--font-heading);
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
}

/* Certificate Showcase */
/* Certificate Showcase */
.certificate-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.view-cert {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-color);
    text-align: right;
}

.certificate-card {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 2.2rem;
    border-radius: 35px; /* Smoother corners matching mockup */
    background: rgba(10, 10, 10, 0.6); /* Darker glass for better neon contrast */
    border: 1px solid rgba(0, 229, 255, 0.2); /* Subtle cyan border as default */
    backdrop-filter: blur(20px);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    overflow: hidden;
    position: relative;
    height: fit-content;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.certificate-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--accent-color);
    box-shadow: 0 15px 45px rgba(0, 242, 255, 0.3); /* Vivid neon glow */
    background: rgba(15, 15, 15, 0.8);
}

/* Card Header (Icon + Info) */
.cert-header {
    display: flex;
    flex-direction: column; /* Icon above text */
    align-items: flex-start;
    gap: 1.5rem;
    width: 100%;
}

.cert-icon {
    flex-shrink: 0;
    width: 65px;
    height: 65px;
    background: rgba(0, 242, 255, 0.1);
    border: 1px solid rgba(0, 242, 255, 0.2);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--accent-color);
    box-shadow: 0 0 20px var(--accent-glow);
}

.cert-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.4rem;
    color: var(--text-primary);
}

.cert-info p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.cert-info .issuer {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent-color);
}

.view-cert {
    display: inline-block;
    margin-top: 0.8rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    opacity: 0.8;
}

.certificate-card:hover .view-cert {
    opacity: 1;
    transform: translateX(5px);
    text-shadow: 0 0 10px var(--accent-glow);
}

/* Collapsible Viewer (Carousel) */
.cert-viewer {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    width: 100%;
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    border-top: 0px solid rgba(255, 255, 255, 0.05);
    margin-top: 0;
}

.certificate-card.active {
    border-color: var(--accent-color);
    box-shadow: 0 0 50px rgba(0, 242, 255, 0.4); /* Enhanced expanded glow */
    grid-column: 1 / -1; /* Expand to full width on desktop */
    background: rgba(5, 5, 5, 0.9);
}

.certificate-card.active .cert-viewer {
    max-height: 1000px;
    opacity: 1;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top-width: 1px;
}

.carousel-container {
    width: 100%;
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    background: rgba(0, 0, 0, 0.3);
}

.carousel-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.carousel-track img {
    min-width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: contain;
    padding: 10px;
}

.cert-description {
    margin-top: 1.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem;
    opacity: 0.9;
    transition: opacity 0.4s ease, transform 0.4s ease;
}

/* Navigation Controls */
.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
}

.carousel-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-btn:hover {
    background: var(--accent-color);
    color: #000;
    transform: scale(1.1);
    box-shadow: 0 0 15px var(--accent-glow);
}

.carousel-dots {
    display: flex;
    gap: 0.8rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-glow);
    transform: scale(1.3);
}

@media (max-width: 768px) {
    .certificate-card.active {
        grid-column: auto;
    }
    .carousel-track img {
        max-height: 300px;
    }
}

/* Extracurricular Activities */
.activity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.activity-card {
    padding: 2.5rem;
    border-radius: 35px;
    background: rgba(10, 10, 10, 0.7);
    border: 1px solid rgba(0, 229, 255, 0.2);
    backdrop-filter: blur(20px);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.activity-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--accent-color);
    box-shadow: 0 15px 45px rgba(0, 242, 255, 0.2);
}

.activity-header {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-bottom: 1.5rem;
}

.activity-header i {
    font-size: 1.8rem;
    color: var(--accent-color);
}

.activity-header h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
}

.activity-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .activity-grid {
        grid-template-columns: 1fr;
    }
}

/* Contact Section Refined */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    padding: 4rem;
    border-radius: 35px;
    background: rgba(10, 10, 10, 0.7);
    border: 1px solid rgba(0, 229, 255, 0.2);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-info .section-title {
    font-size: 2.8rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.contact-info p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.6;
}

.contact-links-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.2rem 1.8rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 229, 255, 0.1);
    border-radius: 20px;
    transition: all 0.4s ease;
    text-decoration: none; /* Remove blue underline */
    color: var(--text-primary); /* Use theme color */
}

.contact-item:hover {
    background: rgba(0, 229, 255, 0.05);
    border-color: var(--accent-color);
    transform: translateX(10px);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.item-text label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 0.2rem;
}

.item-text span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary); /* Ensure white text */
}

.social-pills {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-pill {
    width: 50px;
    height: 50px;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--accent-color); /* Corrected icon color */
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-pill:hover {
    background: var(--accent-color);
    color: #000;
    transform: translateY(-5px);
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
    width: 100%;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1.2rem 1.5rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    color: #fff;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(0, 229, 255, 0.02);
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.05);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-btn {
    width: 100%;
    padding: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    border-radius: 20px;
}

.form-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 12px;
    font-size: 0.95rem;
    text-align: center;
    display: none;
    animation: fadeIn 0.4s ease;
}

.form-status.success {
    display: block;
    background: rgba(0, 229, 255, 0.1);
    color: var(--accent-color);
    border: 1px solid rgba(0, 229, 255, 0.2);
}

.form-status.error {
    display: block;
    background: rgba(255, 87, 87, 0.1);
    color: #ff5757;
    border: 1px solid rgba(255, 87, 87, 0.2);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
        padding: 3rem 2rem;
        gap: 3rem;
    }
}

/* CTA Section */
#cta {
    margin: 4rem auto;
}

.cta-card {
    padding: 5rem 2rem;
    text-align: center;
    border-radius: 40px;
    background: rgba(255, 255, 255, 0.02);
}

.cta-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.cta-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

.cta-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.btn.btn-primary {
    background: var(--accent-color);
    color: #000;
}

.btn.btn-outline {
    background: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
}

.btn.btn-outline:hover {
    background: var(--accent-color);
    color: #000;
    box-shadow: 0 0 30px var(--accent-glow);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .cta-card {
        padding: 4rem 1.5rem;
    }

    .cta-actions {
        flex-direction: column;
        gap: 1rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Navigation Links */
.nav-links {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    opacity: 0.7;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--accent-color);
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    header {
        height: 70px;
    }

    .menu-toggle {
        display: flex; /* Show on mobile */
        align-items: center;
        justify-content: center;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        background: rgba(5, 5, 5, 0.98);
        backdrop-filter: blur(25px);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.85, 0, 0.15, 1);
        z-index: 1000;
        padding: 2rem;
    }

    .nav-right.active .nav-links {
        transform: translateX(0);
    }

    .nav-links a {
        font-size: 2rem;
        font-weight: 700;
        letter-spacing: 2px;
    }

    .hero-section {
        padding-top: 130px;
        padding-bottom: 60px;
        text-align: center;
    }

    .text-mask-wrapper {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .portfolio-title {
        font-size: clamp(3rem, 15vw, 5rem);
        margin-bottom: 0.5rem;
    }

    .signature {
        position: relative;
        right: auto;
        bottom: auto;
        margin-top: 2rem;
        font-size: 2.2rem;
        transform: rotate(-3deg);
        display: block;
        text-align: right;
        width: 100%;
    }

    .hero-meta {
        grid-template-columns: 1fr;
        text-align: left;
        margin-top: 3rem;
    }

    .hero-btns {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        justify-content: center;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .project-card {
        padding: 1.5rem;
    }

    .project-card h3 {
        font-size: 1.5rem;
    }

    .tech-badges {
        flex-wrap: wrap;
    }

    .contact-card {
        padding: 4rem 1.5rem;
    }

    .grid-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .projects-stack {
        grid-template-columns: 1fr !important;
        gap: 1.5rem;
    }

    .project-card {
        padding: 1rem;
        border-radius: 15px;
    }

    .project-card h3 {
        font-size: 1.2rem;
    }

    .tech-badges span {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
    }

    .cert-item {
        padding: 1.2rem;
        background: var(--glass-bg);
        margin-bottom: 1rem;
    }

    .certifications-section {
        margin-top: 6rem;
    }

    .contact-card.glass {
        padding: 3rem 1.5rem;
        margin-top: 2rem;
    }

    .contact-card h2 {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
        margin-bottom: 1.5rem;
    }

    .contact-card p {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 2.5rem;
    }

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

    .contact-item {
        padding: 1.2rem;
        justify-content: flex-start;
        text-align: left;
        background: rgba(255, 255, 255, 0.04);
        border-radius: 16px;
    }

    .contact-item span {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 2rem;
    }

    .portfolio-title {
        font-size: 3.5rem;
    }
}

/* Custom Cursor */
.cursor-dot, 
.cursor-outline {
    position: fixed;
    top: 0;
    left: 0;
    transform: translate3d(0, 0, 0) translate(-50%, -50%);
    border-radius: 50%;
    z-index: 100000;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease-out;
    will-change: transform;
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background-color: #00f2ff;
    box-shadow: 0 0 10px rgba(1, 229, 254, 0.5);
}

.cursor-outline {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(1, 229, 254, 0.5);
}

.cursor-visible {
    opacity: 1;
}

.cursor-active .cursor-outline {
    width: 60px;
    height: 60px;
    background-color: transparent;
    border-color: #fff;
}

@media (max-width: 1024px) {
    body, a, button, .btn, .project-card, .contact-item {
        cursor: auto;
    }
    .cursor-dot, .cursor-outline {
        display: none;
    }
}
@media (min-width: 1025px) {
    .projects-stack {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Footer Section */
footer {
    padding: 3rem 0;
    margin-top: 5rem;
    border-top: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
}

.footer-content {
    display: flex;
    justify-content: space-around;
    align-items: center;
    gap: 2rem;
}

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

.footer-left span {
    color: var(--accent-color);
    font-weight: 600;
}

.social-links-minimal {
    display: flex;
    gap: 1.5rem;
}

.social-links-minimal a {
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: var(--transition);
}

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

@media (max-width: 768px) {
    footer {
        padding: 2.5rem 0;
        text-align: center;
    }

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

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--accent-color);
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent-color);
    color: #000;
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-5px);
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}