/* ================================
   ASHISH SHARMA - PORTFOLIO CSS
   Modern, Animated & Responsive
   ================================ */

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

:root {
    --primary-color: #00ffff;
    --secondary-color: #0066ff;
    --accent-color: #ff6b6b;
    --dark-bg: #0a0a0a;
    --dark-card: #1f2937;
    --text-white: #ffffff;
    --text-gray: #cbd5e1;
    --text-muted: #9ca3af;
    --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --glow: 0 0 20px rgba(0, 255, 255, 0.3);
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--dark-bg);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

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

/* ================================
   LOADING SCREEN
   ================================ */

.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-bg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(0, 255, 255, 0.3);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

/* ================================
   PARTICLES BACKGROUND
   ================================ */

#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* ================================
   NAVIGATION
   ================================ */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(31, 41, 55, 0.9);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(31, 41, 55, 0.95);
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-gray);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s ease;
}

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* ================================
   HERO SECTION
   ================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 2rem 4rem;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.greeting {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    color: var(--text-gray);
    margin-bottom: 1rem;
}

.wave {
    animation: wave 2s ease-in-out infinite;
    transform-origin: 70% 70%;
    display: inline-block;
}

.hero-name {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.hero-role {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.role-highlight {
    color: var(--primary-color);
    font-weight: 600;
    position: relative;
}

.role-highlight::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient);
    animation: shimmer 2s ease-in-out infinite;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 3rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
    backdrop-filter: blur(10px);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

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

.btn-primary {
    background: var(--gradient);
    color: var(--dark-bg);
    box-shadow: var(--glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.5);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--dark-bg);
    transform: translateY(-2px);
}

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

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    color: var(--text-gray);
    font-size: 1.2rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--gradient);
    color: var(--dark-bg);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* ================================
   HERO IMAGE
   ================================ */

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

.image-container {
    position: relative;
    width: 400px;
    height: 400px;
}

.profile-circle {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 4px solid var(--primary-color);
    overflow: hidden;
    box-shadow: var(--glow);
    animation: float 3s ease-in-out infinite;
}

.profile-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.floating-icons {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.floating-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(0, 255, 255, 0.1);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    animation: floatAround 10s ease-in-out infinite;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.floating-icon:nth-child(1) {
    top: 10%;
    right: -20px;
    animation-delay: 0s;
}

.floating-icon:nth-child(2) {
    top: 60%;
    right: -30px;
    animation-delay: 2s;
}

.floating-icon:nth-child(3) {
    top: 20%;
    left: -30px;
    animation-delay: 4s;
}

.floating-icon:nth-child(4) {
    bottom: 20%;
    left: -20px;
    animation-delay: 6s;
}

/* ================================
   SECTIONS
   ================================ */

section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-gray);
}

.highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ================================
   ABOUT SECTION
   ================================ */

.about {
    background: var(--dark-card);
}

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

.about-text h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.about-details {
    display: grid;
    gap: 1rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(0, 255, 255, 0.05);
    border-radius: 0.5rem;
    border: 1px solid rgba(0, 255, 255, 0.1);
}

.label {
    font-weight: 600;
    color: var(--text-gray);
}

.value {
    color: var(--primary-color);
}

.skill-category {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 1rem;
    margin-bottom: 2rem;
}

.skill-category h4 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    padding: 0.5rem 1rem;
    background: rgba(0, 255, 255, 0.1);
    color: var(--primary-color);
    border-radius: 2rem;
    font-size: 0.9rem;
    border: 1px solid rgba(0, 255, 255, 0.2);
}

/* ================================
   SKILLS SECTION
   ================================ */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-item {
    background: var(--dark-card);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.skill-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--primary-color);
}

.skill-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.skill-item h4 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.skill-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.skill-progress {
    height: 100%;
    background: var(--gradient);
    border-radius: 4px;
    width: 0;
    transition: width 2s ease-in-out;
}

.skill-percent {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* ================================
   PROJECTS SECTION
   ================================ */

.projects {
    background: var(--dark-card);
}

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

.project-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
}

.project-image {
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.project-link {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--dark-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    background: var(--text-white);
    transform: scale(1.1);
}

.project-info {
    padding: 2rem;
}

.project-category {
    display: inline-block;
    padding: 0.3rem 1rem;
    background: var(--gradient);
    color: var(--dark-bg);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 2rem;
    margin-bottom: 1rem;
}

.project-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.project-info p {
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

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

.tech-tag {
    padding: 0.3rem 0.8rem;
    background: rgba(0, 255, 255, 0.1);
    color: var(--primary-color);
    font-size: 0.8rem;
    border-radius: 1rem;
    border: 1px solid rgba(0, 255, 255, 0.2);
}

/* ================================
   CONTACT SECTION
   ================================ */

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: rgba(0, 255, 255, 0.1);
    transform: translateX(10px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient);
    color: var(--dark-bg);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.contact-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.contact-item p {
    color: var(--text-gray);
}

.contact-form {
    background: var(--dark-card);
    padding: 2.5rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    color: var(--text-white);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    margin-bottom: 1.5rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(0, 255, 255, 0.05);
    box-shadow: 0 0 0 3px rgba(0, 255, 255, 0.1);
}

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

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

/* ================================
   FOOTER
   ================================ */

.footer {
    background: var(--dark-bg);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    color: var(--text-muted);
}

/* ================================
   ANIMATIONS
   ================================ */

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    10%, 30% { transform: rotate(14deg); }
    20% { transform: rotate(-8deg); }
    40% { transform: rotate(-4deg); }
    50% { transform: rotate(10deg); }
    60% { transform: rotate(0deg); }
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes floatAround {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(30px, -30px) rotate(90deg); }
    50% { transform: translate(-20px, -60px) rotate(180deg); }
    75% { transform: translate(-50px, -30px) rotate(270deg); }
}

/* ================================
   RESPONSIVE DESIGN
   ================================ */

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 80%;
        background: var(--dark-card);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: right 0.3s ease;
        z-index: 999;
    }
    
    .nav-links.show {
        right: 0;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-name {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .image-container {
        width: 300px;
        height: 300px;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .projects-grid,
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .floating-icon {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 6rem 1rem 2rem;
    }
    
    .hero-name {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .image-container {
        width: 250px;
        height: 250px;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
}
/* ================================
   ACHIEVEMENTS SECTION
   ================================ */

.achievements {
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

.achievements::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0, 255, 255, 0.05) 0%, rgba(0, 102, 255, 0.05) 100%);
    z-index: 0;
}

.achievements .container {
    position: relative;
    z-index: 1;
}

/* Achievement Stats */
.achievement-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
    padding: 2rem 0;
}

.achievement-stat {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(0, 255, 255, 0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.achievement-stat:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--glow);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--dark-bg);
    animation: pulse 2s ease-in-out infinite;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-info .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-info .stat-label {
    color: var(--text-gray);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.certificate-card {
    background: var(--dark-card);
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.certificate-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.1), transparent);
    transition: left 0.6s;
}

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

.certificate-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.certificate-card.featured {
    border: 2px solid var(--primary-color);
    box-shadow: var(--glow);
}

.certificate-ribbon {
    position: absolute;
    top: 15px;
    right: -30px;
    background: var(--gradient);
    color: var(--dark-bg);
    padding: 0.5rem 2rem;
    font-size: 0.8rem;
    font-weight: 600;
    transform: rotate(45deg);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

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

.certificate-logo img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

.logo-placeholder {
    width: 40px;
    height: 40px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-bg);
    font-size: 1.2rem;
}

.certificate-badge {
    width: 50px;
    height: 50px;
    background: rgba(0, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--primary-color);
    border: 2px solid rgba(0, 255, 255, 0.2);
}

.certificate-content h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.certificate-content h4 {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 1rem;
}

.certificate-issuer,
.certificate-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    margin-bottom: 0.8rem;
    font-size: 0.9rem;
}

.certificate-issuer i,
.certificate-date i {
    color: var(--primary-color);
    width: 16px;
}

.certificate-grade {
    margin: 1rem 0;
}

.grade-badge {
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.grade-badge.grade-b {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.certificate-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.skill-badge {
    padding: 0.3rem 0.8rem;
    background: rgba(0, 255, 255, 0.1);
    color: var(--primary-color);
    border-radius: 1rem;
    font-size: 0.8rem;
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.certificate-id,
.certificate-duration,
.certificate-count {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-top: 1rem;
}

.certificate-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.btn-view,
.btn-verify {
    padding: 0.8rem 1.2rem;
    background: rgba(0, 255, 255, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 0.5rem;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    flex: 1;
    justify-content: center;
    min-width: 120px;
}

.btn-view:hover,
.btn-verify:hover {
    background: var(--primary-color);
    color: var(--dark-bg);
    transform: translateY(-2px);
}

/* Add More Certificate Card */
.certificate-card.add-more {
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.1), rgba(0, 102, 255, 0.1));
    border: 2px dashed rgba(0, 255, 255, 0.3);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 400px;
}

.add-more-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    animation: bounce 2s ease-in-out infinite;
}

.add-more-content h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.add-more-content p {
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.learning-progress {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(0, 255, 255, 0.1);
}

.progress-item span {
    display: block;
    color: var(--text-gray);
    margin-bottom: 1rem;
    font-weight: 600;
}

.learning-tags {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.learning-tag {
    padding: 0.4rem 0.8rem;
    background: rgba(255, 107, 107, 0.1);
    color: var(--accent-color);
    border-radius: 1rem;
    font-size: 0.8rem;
    border: 1px solid rgba(255, 107, 107, 0.2);
}

/* Certificate Modal */
.certificate-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
}

.certificate-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background: var(--dark-card);
    border-radius: 1rem;
    max-width: 90%;
    max-height: 90%;
    width: 800px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    overflow: hidden;
    animation: modalSlideIn 0.3s ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 255, 255, 0.05);
}

.modal-header h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-gray);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.3rem;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-color);
}

.modal-body {
    padding: 2rem;
    max-height: 60vh;
    overflow-y: auto;
}

.certificate-preview {
    text-align: center;
    color: var(--text-gray);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding: 1.5rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.2);
}

/* Animations */
@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(-50px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translateY(0);
    }
    40%, 43% {
        transform: translateY(-10px);
    }
    70% {
        transform: translateY(-5px);
    }
    90% {
        transform: translateY(-2px);
    }
}

/* Responsive Design for Achievements */
@media (max-width: 768px) {
    .achievement-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .achievement-stat {
        padding: 1.5rem;
    }
    
    .certificates-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .certificate-card {
        padding: 1.5rem;
    }
    
    .certificate-actions {
        flex-direction: column;
    }
    
    .btn-view,
    .btn-verify {
        flex: none;
    }
    
    .modal-content {
        width: 95%;
        max-height: 95%;
    }
    
    .modal-header,
    .modal-footer {
        padding: 1rem 1.5rem;
    }
    
    .modal-body {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .achievement-stats {
        grid-template-columns: 1fr;
    }
    
    .achievement-stat {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .certificate-card.add-more {
        min-height: 300px;
    }
    
    .learning-tags {
        flex-direction: column;
        align-items: center;
    }
}