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

:root {
    /* Dark Theme Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a26;
    --text-primary: #e8e8f0;
    --text-secondary: #a8a8b8;
    --accent-1: #00f0ff;
    --accent-2: #ff00ff;
    --accent-3: #ffff00;
    --border: rgba(255, 255, 255, 0.1);
    --shadow: rgba(0, 240, 255, 0.3);
    
    /* Typography */
    --font-display: 'Courier New', monospace;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

body.light {
    --bg-primary: #f5f5fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e8e8f0;
    --text-primary: #1a1a26;
    --text-secondary: #5a5a6a;
    --accent-1: #0066ff;
    --accent-2: #cc00cc;
    --accent-3: #ff9900;
    --border: rgba(0, 0, 0, 0.1);
    --shadow: rgba(0, 102, 255, 0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ==== NAVIGATION ==== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: background 0.3s ease;
}

body.light .nav {
    background: rgba(245, 245, 250, 0.8);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-sm) var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: bold;
    letter-spacing: 2px;
}

.logo-bracket {
    color: var(--accent-1);
    animation: pulse 2s ease-in-out infinite;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.nav-menu {
    display: flex;
    gap: var(--space-md);
}

.nav-item {
    font-family: var(--font-display);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

.nav-item:hover,
.nav-item.active {
    color: var(--accent-1);
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-1);
    transition: width var(--transition-medium);
}

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

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    border-color: var(--accent-1);
    box-shadow: 0 0 20px var(--shadow);
    transform: rotate(180deg);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* ==== HERO SECTION ==== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: var(--space-xl) var(--space-md);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    animation: float 8s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-1) 0%, transparent 70%);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-2) 0%, transparent 70%);
    bottom: 10%;
    right: 10%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(50px, -50px); }
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: var(--space-xl);
    align-items: center;
    max-width: 1200px;
    width: 100%;
}

.hero-image-wrapper {
    position: relative;
    animation: fadeInLeft 0.8s ease 0.2s both;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.image-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    padding: 1rem;
}

.frame-corner {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 2px solid var(--accent-1);
    z-index: 2;
}

.frame-corner.tl {
    top: 0;
    left: 0;
    border-right: none;
    border-bottom: none;
    animation: cornerGlow 3s ease-in-out infinite;
}

.frame-corner.tr {
    top: 0;
    right: 0;
    border-left: none;
    border-bottom: none;
    animation: cornerGlow 3s ease-in-out infinite 0.75s;
}

.frame-corner.bl {
    bottom: 0;
    left: 0;
    border-right: none;
    border-top: none;
    animation: cornerGlow 3s ease-in-out infinite 1.5s;
}

.frame-corner.br {
    bottom: 0;
    right: 0;
    border-left: none;
    border-top: none;
    animation: cornerGlow 3s ease-in-out infinite 2.25s;
}

@keyframes cornerGlow {
    0%, 100% {
        box-shadow: 0 0 0 var(--accent-1);
    }
    50% {
        box-shadow: 0 0 20px var(--shadow);
    }
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: grayscale(0%);
    transition: all var(--transition-slow);
    position: relative;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.hero-image:hover {
    filter: grayscale(0%) contrast(1.1);
    transform: scale(1.02);
}

.image-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    opacity: 0.1;
    z-index: -1;
    animation: pulse 3s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: left;
}

.hero-label {
    font-family: var(--font-display);
    font-size: 0.9rem;
    letter-spacing: 4px;
    color: var(--accent-1);
    margin-bottom: var(--space-sm);
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title {
    font-size: clamp(30px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    font-family: var(--font-display);
    letter-spacing: -2px;
}

.title-line {
    display: block;
    animation: fadeInUp 0.8s ease both;
}

.title-line:nth-child(1) { animation-delay: 0.3s; }
.title-line:nth-child(2) { animation-delay: 0.4s; }
.title-line:nth-child(3) { animation-delay: 0.5s; }

.title-highlight {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.title-highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
    opacity: 0.3;
    animation: slideWidth 1s ease 0.8s both;
}

@keyframes slideWidth {
    from { width: 0; }
    to { width: 100%; }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-cta {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.7s both;
}

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

.btn {
    padding: 1rem 2.5rem;
    font-family: var(--font-display);
    font-size: 1rem;
    text-decoration: none;
    border-radius: 0;
    cursor: pointer;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    border: 2px solid;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--accent-1);
    color: var(--bg-primary);
    border-color: var(--accent-1);
}

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

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

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-1);
}

.btn-full {
    width: 100%;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-secondary);
    font-family: var(--font-display);
    font-size: 0.8rem;
    animation: fadeInUp 0.8s ease 1s both;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-1), transparent);
    animation: scrollLineMove 2s ease-in-out infinite;
}

@keyframes scrollLineMove {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(20px); opacity: 0; }
}

/* ==== SECTIONS ==== */
section {
    padding: var(--space-xl) 0;
    position: relative;
}

.section-header {
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
}

.section-number {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--accent-1);
    opacity: 0.3;
    font-weight: bold;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-family: var(--font-display);
    font-weight: 900;
    letter-spacing: -1px;
}

/* ==== ABOUT SECTION ==== */
.about {
    background: var(--bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.about-text .lead {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.4;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    font-size: 1.1rem;
}

.skills-container {
    display: grid;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.skill-category h3 {
    font-family: var(--font-display);
    color: var(--accent-1);
    margin-bottom: var(--space-sm);
    font-size: 1.1rem;
    letter-spacing: 2px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.tag {
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    font-family: var(--font-display);
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

.tag:hover {
    border-color: var(--accent-1);
    box-shadow: 0 0 20px var(--shadow);
    transform: translateY(-2px);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.stat-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    padding: var(--space-md);
    text-align: center;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-1), transparent);
    transition: left 0.6s ease;
}

.stat-card:hover::before {
    left: 100%;
}

.stat-card:hover {
    border-color: var(--accent-1);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px var(--shadow);
}

.stat-number {
    font-size: 3rem;
    font-family: var(--font-display);
    font-weight: bold;
    color: var(--accent-1);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-family: var(--font-display);
}

/* ==== PROJECTS SECTION ==== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-lg);
}

.project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all var(--transition-medium);
    position: relative;
}

.project-card::before {
    content: attr(data-index);
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--accent-1);
    opacity: 0.1;
    z-index: 1;
    font-weight: bold;
}

.project-card:hover {
    border-color: var(--accent-1);
    transform: translateY(-10px);
    box-shadow: 0 20px 60px var(--shadow);
}

.project-image {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-tertiary);
    position: relative;
}

.placeholder-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(45deg, var(--accent-1) 25%, transparent 25%),
        linear-gradient(-45deg, var(--accent-1) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--accent-1) 75%),
        linear-gradient(-45deg, transparent 75%, var(--accent-1) 75%);
    background-size: 40px 40px;
    background-position: 0 0, 0 20px, 20px -20px, -20px 0px;
    opacity: 0.05;
    animation: patternMove 20s linear infinite;
}

@keyframes patternMove {
    0% { background-position: 0 0, 0 20px, 20px -20px, -20px 0px; }
    100% { background-position: 40px 40px, 40px 60px, 60px 20px, 20px 40px; }
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 240, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    color: var(--bg-primary);
    font-family: var(--font-display);
    font-size: 1.2rem;
    text-decoration: none;
    padding: 1rem 2rem;
    border: 2px solid var(--bg-primary);
    transition: all var(--transition-fast);
}

.project-link:hover {
    background: var(--bg-primary);
    color: var(--accent-1);
}

.project-info {
    padding: var(--space-md);
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
    font-family: var(--font-display);
    font-size: 0.85rem;
}

.project-category {
    color: var(--accent-1);
}

.project-year {
    color: var(--text-secondary);
}

.project-title {
    font-size: 1.5rem;
    font-family: var(--font-display);
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.tag-small {
    padding: 0.25rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    font-family: var(--font-display);
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.tag-small:hover {
    border-color: var(--accent-1);
    color: var(--accent-1);
}

/* ==== EDUCATION SECTION ==== */
.education {
    padding: var(--space-xl) 0;
    background: var(--bg-secondary);
}

.education-timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    padding-left: 60px;
}

.education-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-1), var(--accent-2));
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent-1);
    transition: all var(--transition-medium);
}

.timeline-item:hover {
    transform: translateX(10px);
    border-left-color: var(--accent-2);
    box-shadow: 0 10px 40px var(--shadow);
}

.timeline-marker {
    position: absolute;
    left: -51px;
    top: var(--space-md);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-1);
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 20px var(--shadow);
    animation: pulse 2s ease-in-out infinite;
}

.timeline-date {
    font-family: var(--font-display);
    color: var(--accent-1);
    font-size: 0.85rem;
    letter-spacing: 2px;
    margin-bottom: var(--space-xs);
}

.timeline-title {
    font-size: 1.5rem;
    font-family: var(--font-display);
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.timeline-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
}

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

/* ==== SKILLS SECTION ==== */
.skills {
    padding: var(--space-xl) 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.skill-group {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: var(--space-lg);
    transition: all var(--transition-medium);
}

.skill-group:hover {
    border-color: var(--accent-1);
    box-shadow: 0 10px 40px var(--shadow);
    transform: translateY(-5px);
}

.skill-group-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.skill-icon {
    font-size: 2rem;
}

.skill-group-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--text-primary);
}

.skill-bars {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.skill-bar-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.skill-bar-label {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.skill-percentage {
    color: var(--accent-1);
}

.skill-bar-track {
    height: 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    overflow: hidden;
    position: relative;
}

.skill-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
    transition: width 1s ease;
    position: relative;
    overflow: hidden;
}

.skill-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ==== CERTIFICATES SECTION ==== */

.certificates {
    padding: 80px 0;
    background: white;
}

.section-heading {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color:White;
    position: relative;
}

.section-heading::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: #007bff;
    margin: 20px auto 0;
    border-radius: 2px;
}

.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.cert {
    background: Black
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cert:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.cert-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.cert-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    transition: opacity 0.3s ease;
}

.cert:hover .cert-image {
    opacity: 0.9;
}

.cert-content {
    padding: 20px;
}

.cert-content h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    color:white;
    font-weight: 600;
    line-height: 1.4;
}

.issuer {
    color: #007bff;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.date {
    color:rgb(255, 255, 255);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .certificates {
        padding: 60px 0;
    }
    
    .section-heading {
        font-size: 2rem;
    }
    
    .certs-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 20px;
    }
}
.certificate-image-link {
    display: block;
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.certificate-image-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.certificate-image {
    width: 100%;
    height: auto;
    display: block;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.certificate-image-link:hover .certificate-image {
    opacity: 0.9;
}

.certificates {
    padding: var(--space-xl) 0;
    background: var(--bg-secondary);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-lg);
}

.certificate-card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    padding: var(--space-lg);
    display: flex;
    gap: var(--space-md);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.certificate-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent-1), var(--accent-2));
    transform: scaleY(0);
    transition: transform var(--transition-medium);
}

.certificate-card:hover::before {
    transform: scaleY(1);
}

.certificate-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-1);
    box-shadow: 0 10px 40px var(--shadow);
}

.certificate-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.certificate-content {
    flex: 1;
}

.certificate-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.certificate-issuer {
    color: var(--accent-1);
    font-size: 0.9rem;
    font-family: var(--font-display);
    margin-bottom: var(--space-xs);
}

.certificate-date {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: var(--space-sm);
}

.certificate-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
}

.certificate-link {
    color: var(--accent-1);
    text-decoration: none;
    font-family: var(--font-display);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-fast);
}

.certificate-link:hover {
    color: var(--accent-2);
    transform: translateX(5px);
}

/* ==== CONTACT SECTION ==== */
.contact {
    background: var(--bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.contact-heading {
    font-size: 2rem;
    font-family: var(--font-display);
    margin-bottom: var(--space-md);
}

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

.contact-details {
    margin-bottom: var(--space-lg);
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
    padding: var(--space-sm);
    background: var(--bg-primary);
    border-left: 3px solid var(--accent-1);
}

.contact-label {
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--accent-1);
    letter-spacing: 2px;
}

.contact-value {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-value:hover {
    color: var(--accent-1);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    font-family: var(--font-display);
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition-fast);
}

.social-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-1);
    transition: width var(--transition-medium);
}

.social-link:hover {
    color: var(--accent-1);
}

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

.contact-form-wrapper {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    padding: var(--space-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-label {
    font-family: var(--font-display);
    font-size: 0.9rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.form-input,
.form-textarea {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
    outline: none;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--accent-1);
    box-shadow: 0 0 0 3px var(--shadow);
}

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

/* ==== FOOTER ==== */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    padding: var(--space-md) 0;
}

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

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-family: var(--font-display);
    transition: color var(--transition-fast);
}

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

/* ==== RESPONSIVE ==== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: var(--space-md);
        gap: var(--space-sm);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-medium);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .mobile-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        text-align: center;
    }

    .hero-image-wrapper {
        max-width: 350px;
        margin: 0 auto;
    }

    .hero-content {
        text-align: center;
    }

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

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .certificates-grid {
        grid-template-columns: 1fr;
    }
    
    .education-timeline {
        padding-left: 40px;
    }
    
    .timeline-marker {
        left: -31px;
    }

    .section-number {
        font-size: 2rem;
    }

    .hero {
        padding: var(--space-lg) var(--space-md);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

@media (max-width: 640px) {
    .hero-image-wrapper {
        max-width: 280px;
    }

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

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .social-links {
        flex-wrap: wrap;
    }
    
    .certificate-card {
        flex-direction: column;
        text-align: center;
    }
    
    .certificate-icon {
        font-size: 3rem;
    }
    
    .education-timeline {
        padding-left: 30px;
    }
    
    .education-timeline::before {
        left: 10px;
    }
    
    .timeline-marker {
        left: -21px;
        width: 16px;
        height: 16px;
    }
}


.project-card {
    height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.project-card img {
    width: 100%;
    height: auto;
    display: block;
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.project-card {
    padding: 10px;
    height: auto;        /* ❗ fixed height mat lagana */
    overflow: visible;   /* ❗ hidden nahi hona chahiye */
}

.project-card button {
    margin-top: 10px;
    margin-bottom: 0;
}

.project-card img {
    width: 100%;
    height: auto;
    display: block;      /* 👈 ye gap hata deta hai */
    margin-bottom: 0;    /* extra space remove */
}

.project-card {
    padding-bottom: 5px; /* niche ka space control */
}