/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}
a {
  text-decoration: none;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #f5f5f5;
    background-color: #0a0a0a;
}

/* Red & Black Color Palette */
:root {
    /* Primary Red Palette */
    --primary: hsl(0, 85%, 50%);
    --primary-dark: hsl(0, 85%, 35%);
    --primary-light: hsl(0, 50%, 15%);
    --primary-glow: hsl(0, 85%, 60%);

    /* Dark Background Palette */
    --background: hsl(0, 0%, 5%);
    --foreground: hsl(0, 0%, 95%);
    --card: hsl(0, 0%, 10%);
    --muted: hsl(0, 0%, 15%);
    --muted-foreground: hsl(0, 0%, 65%);
    --border: hsl(0, 0%, 20%);

    /* Gradients */
    --gradient-primary: linear-gradient(
        135deg,
        hsl(0, 85%, 45%),
        hsl(0, 85%, 60%)
    );

    --gradient-subtle: linear-gradient(
        180deg,
        hsl(0, 0%, 5%),
        hsl(0, 30%, 10%)
    );

    --gradient-card: linear-gradient(
        145deg,
        hsl(0, 0%, 10%),
        hsl(0, 20%, 12%)
    );

    /* Shadows */
    --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px rgb(0 0 0 / 0.5);
    --shadow-xl: 0 20px 25px rgb(0 0 0 / 0.6);
    --shadow-glow: 0 0 20px rgba(220, 38, 38, 0.5);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}


/* Container and Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    color: var(--foreground);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

.text-gradient {
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-download::before {
  content: '⬇️';
  font-size: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 30px rgba(220, 38, 38, 0.6);
}

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

.btn-secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
}

.btn-full {
    width: 100%;
}

/* Cards */
.card {
    background: var(--card);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    border-color: rgba(220, 38, 38, 0.4);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--foreground);
}

.section-divider {
    width: 4rem;
    height: 0.25rem;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
    box-shadow: var(--shadow-glow);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--gradient-primary);
    color: white;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.875rem;
    box-shadow: var(--shadow-glow);
}

.brand-text {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--foreground);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--foreground);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    text-shadow: 0 0 10px rgba(220, 38, 38, 0.5);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    box-shadow: var(--shadow-glow);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--foreground);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--background), var(--primary-light));
    padding-top: 80px;
}

.hero-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-greeting {
    font-size: 1.25rem;
    color: var(--foreground);
    font-weight: 500;
    margin-bottom: 0.5rem;
   
}

.hero-name {
    font-size: 3.5rem;
    font-weight: 700;
     text-shadow: 0 0 10px rgba(220, 38, 38, 0.5);
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.hero-title {
    font-size: 1.5rem;
    color: var(--muted-foreground);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 3rem;
    height: 3rem;
    background: var(--card);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.social-link:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-wrapper {
    width: 380px;          /* FIX: unit added */
    height: 450px;         /* Square container for perfect circle */
    border-radius: 50%;
    overflow: hidden;
    background: var(--gradient-primary);
    padding: 6px;          /* Optional: keeps border effect */
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: fill;     /* Ensures no distortion */
    border-radius: 50%;
    display: block;
}


/* About Section */
.about {
    padding: 5rem 0;
    background: linear-gradient(to bottom, var(--background), var(--primary-light));
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-description .card {
    background: var(--gradient-card);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

.about-description .card p {
    color: var(--muted-foreground);
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.highlight-card {
    background: var(--gradient-card);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(220, 38, 38, 0.2);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.highlight-card p {
    color: var(--muted-foreground);
}

.highlight-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    border-color: rgba(220, 38, 38, 0.4);
}

.highlight-icon {
    width: 3rem;
    height: 3rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: var(--shadow-glow);
}

.icon-circle {
    width: 1.5rem;
    height: 1.5rem;
    background: white;
    border-radius: 50%;
}

/* Skills Section */
.skills {
    padding: 5rem 0;
    background: var(--background);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category .card {
    height: 100%;
    background: var(--gradient-card);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

.skill-category h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.skill-category h3 i {
    color: var(--primary);
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    background: var(--primary-light);
    color: var(--primary-glow);
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid rgba(220, 38, 38, 0.3);
    transition: var(--transition);
}

.skill-tag:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.tech-tag {
    background: var(--primary-light);
    color: var(--primary-glow);
    padding: 0.25rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(220, 38, 38, 0.3);
}

/* Education Section */
.education {
    padding: 5rem 0;
    background: linear-gradient(to bottom, var(--background), var(--primary-light));
}

.education-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.education-timeline::before {
    content: '';
    position: absolute;
    left: 2rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
    box-shadow: var(--shadow-glow);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 5rem;
}

.timeline-marker {
    position: absolute;
    left: 1.25rem;
    top: 1.5rem;
    width: 1.5rem;
    height: 1.5rem;
    background: var(--primary);
    border-radius: 50%;
    border: 4px solid var(--background);
    z-index: 1;
    box-shadow: var(--shadow-glow);
}

.timeline-content .card {
    background: var(--gradient-card);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

.education-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.education-period {
    background: var(--primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    box-shadow: var(--shadow-glow);
}

.education-institution {
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 1rem;
}

.education-institution a {
    color: var(--primary);
    text-decoration: none;
}

.education-description {
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* Projects Section */
.projects {
    padding: 5rem 0;
    background: var(--background);
}

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

.project-card .card {
    height: 100%;
    background: var(--gradient-card);
    border: 1px solid rgba(220, 38, 38, 0.2);
    overflow: hidden;
    padding: 0;
}

.project-image {
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.project-placeholder {
    font-size: 3rem;
    opacity: 0.8;
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    color: var(--foreground);
    margin-bottom: 1rem;
}

.project-content p {
    color: var(--muted-foreground);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.project-date {
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 500;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.project-links {
    display: flex;
    gap: 1rem;
}

/* Certificates Section */
.certificates {
    padding: 5rem 0;
    background: linear-gradient(to bottom, var(--background), #000);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.card-overlay,
.card-overlay * {
    pointer-events: none;
}

.certificate-link {
    text-decoration: none;
    display: block;
}



.certificate-card {
    position: relative;
    height: 220px;
    border-radius: 1rem;
    overflow: hidden;
    cursor: pointer;
    background-size: cover;
    background-position: center;
    transform: translateZ(0);
}

.certificate-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    transition: background 0.4s ease;
    z-index: 1;
}

.certificate-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: inherit;
    transform: scale(1);
    transition: transform 0.6s ease;
    z-index: 0;
}

.certificate-card:hover::after {
    transform: scale(1.12);
}

.certificate-card:hover::before {
    background: rgba(0, 0, 0, 0.35);
}

.card-overlay {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.25rem;
}

.card-overlay h3 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 0.4rem;
}

.cert-year {
    color: #dc2626;
    font-weight: 600;
    font-size: 0.9rem;
}



/* Contact Section */
.contact {
    padding: 5rem 0;
    background: var(--background);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info .card {
    background: var(--gradient-card);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

.contact-form .card {
    background: var(--gradient-card);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-item i {
    width: 3rem;
    height: 3rem;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.25rem;
    box-shadow: var(--shadow-glow);
}

.contact-item h4 {
    color: var(--foreground);
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--muted-foreground);
}

.contact-social {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--background);
    color: var(--foreground);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--muted-foreground);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.98),
        rgba(60, 0, 0, 0.95)
    );
    border-top: 1px solid rgba(220, 38, 38, 0.4);
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-tagline {
    color: var(--muted-foreground);
    margin-bottom: 1rem;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        height: 0;
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        align-items: center;
        overflow: hidden;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--border);
    }
    
    .nav-menu.active {
        height: auto;
        padding: 2rem 0;
        top: 100%;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-name {
        font-size: 3.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
    }
    
    .skills-grid,
    .projects-grid,
    .certificates-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-item {
        padding-left: 3rem;
    }
    
    .education-timeline::before {
        left: 1rem;
    }
    
    .timeline-marker {
        left: 0.25rem;
    }
    
    .education-header {
        flex-direction: column;
        align-items: start;
        gap: 0.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .hero-name {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 1.25rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.8rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth scrolling and performance */
html {
    scroll-padding-top: 80px;
}

.section {
    scroll-margin-top: 80px;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Focus states for accessibility */
*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}