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

/* Variables */
:root {
    --primary-blue: #2563eb;
    --secondary-blue: #3b82f6;
    --primary-green: #10b981;
    --secondary-green: #34d399;
    --primary-yellow: #fbbf24;
    --secondary-yellow: #fcd34d;
    --light-bg: #f8fafc;
    --dark-text: #1e293b;
    --medium-text: #475569;
    --light-text: #94a3b8;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Container */
.container {
    width: 100%;
    min-height: 100vh;
    position: relative;
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 999;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

nav.scrolled {
    padding: 1rem 5%;
    box-shadow: var(--shadow-md);
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    background: linear-gradient(45deg, var(--primary-blue), var(--primary-green));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    color: var(--dark-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    transition: var(--transition);
}

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

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--dark-text);
    margin: 5px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

#bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-content {
    text-align: center;
    z-index: 1;
    padding: 2rem;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(5px);
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    animation: fadeIn 1s ease-in-out;
    max-width: 800px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--primary-blue), var(--primary-green), var(--primary-yellow));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content h2 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 2rem;
    color: var(--medium-text);
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.cta-button {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(45deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.cta-button.secondary {
    background: linear-gradient(45deg, var(--primary-green), var(--secondary-green));
}

/* Section Styling */
section {
    padding: 5rem 10%;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    color: var(--dark-text);
}

.section-title:after {
    content: '';
    position: absolute;
    width: 100px;
    height: 3px;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green), var(--primary-yellow));
}

/* About Section */
.about {
    background-color: var(--white);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--medium-text);
}

.about-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.profile-img-placeholder {
    width: 350px;
    height: 350px;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 5px solid var(--white);
    animation: float 6s ease-in-out infinite;
}

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

/* Skills Section */
.skills {
    background-color: var(--light-bg);
}

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

.skill-card {
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

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

.skill-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem auto;
    background-color: #eef2ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-icon.electronics {
    background: linear-gradient(135deg, #dbeafe, #bfdbfe);
    padding: 10px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.skill-icon.electronics img {
    width: 50px;
    height: 50px;
}


.skill-icon.iot {
    background: linear-gradient(135deg, #47f7d4, #9addf4);
    padding: 10px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.skill-icon.iot img {
    width: 50px;
    height: 50px;
}


.skill-icon.webdev {
    background: linear-gradient(135deg, #d1fae5, #a7f3d0);
    padding: 10px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.skill-icon.webdev img {
    width: 50px;
    height: 50px;
}


.skill-icon.ai {
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  padding: 10px;
  border-radius: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.skill-icon.ai img {
  width: 50px;
  height: 50px;
}


.skill-icon.cad {
  background: linear-gradient(135deg, #ddd6fe, #c4b5fd);
  padding: 10px;
  border-radius: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.skill-icon.cad img {
  width: 50px;
  height: 50px;
}


.skill-icon.printing {
  background: linear-gradient(135deg, #fbcfe8, #f9a8d4);
  padding: 10px;
  border-radius: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.skill-icon.printing img {
  width: 50px;
  height: 50px;
}


.skill-icon.language {
  background: linear-gradient(135deg, #e0e7ff, #c7d2fe);
  padding: 10px;
  border-radius: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.skill-icon.language img {
  width: 50px;
  height: 50px;
}


.skill-card h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-text);
}

.skill-card p {
    color: var(--medium-text);
    font-size: 0.9rem;
}

/* See More Button */
.see-more-container {
    display: flex;
    justify-content: left;
    margin-top: 1.5rem;
}

.see-more-btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background: linear-gradient(45deg, var(--primary-blue), var(--primary-green));
    color: white;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.see-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Achievements Section */
.achievements {
    background-color: var(--white);
}

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

.achievement-category h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
    padding-bottom: 0.5rem;
}

.achievement-category h3:after {
    content: '';
    position: absolute;
    width: 50%;
    height: 3px;
    bottom: 0;
    left: 0;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
}

.achievement-list {
    list-style: none;
}

.achievement-list li {
    background-color: var(--light-bg);
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.achievement-list li:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.achievement-title {
    font-weight: 600;
    color: var(--dark-text);
    display: block;
    margin-bottom: 0.5rem;
}

.achievement-desc {
    font-size: 0.9rem;
    color: var(--medium-text);
}

/* Contact Section */
.contact {
    background-color: var(--light-bg);
}

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

.contact-form {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-text);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--light-text);
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.submit-btn {
    background: linear-gradient(45deg, var(--primary-blue), var(--secondary-blue));
    color: white;
    border: none;
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.submit-btn:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.social-links {
    text-align: center;
}

.social-links h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.social-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0;
    text-decoration: none;
    position: relative;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.social-icon:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.social-icon::before {
    font-size: 1.5rem;
}

/* GitHub (monochrome icon with dark background) */
.social-icon.github {
  background: hsl(0, 0%, 100%) url("https://cdn-icons-png.flaticon.com/512/2111/2111432.png") center/60% no-repeat;
}

/* LinkedIn */
.social-icon.linkedin {
  background: #ffffff url("https://cdn-icons-png.flaticon.com/512/3536/3536505.png") center/60% no-repeat;
}

/* Instagram (gradient + icon) */
.social-icon.instagram {
  background:
    #ffffff
    url("https://cdn-icons-png.flaticon.com/512/174/174855.png") center/60% no-repeat;
}

.social-icon.twitter {
  background:
    #ffffff
    url("https://cdn-icons-png.flaticon.com/512/5969/5969020.png") center/60% no-repeat;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    background-color: var(--dark-text);
    color: var(--white);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
    100% {
        transform: translateY(0);
    }
}

/* Media Queries */
@media screen and (max-width: 1024px) {
    .about-content {
        flex-direction: column-reverse;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0;
        top: 70px;
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
        padding: 2rem 0;
        box-shadow: var(--shadow-md);
    }
    
    .nav-links li {
        margin: 1rem 0;
    }
    
    .nav-active {
        transform: translateX(0%);
    }
    
    .burger {
        display: block;
    }
    
    .toggle .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .toggle .line2 {
        opacity: 0;
    }
    
    .toggle .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content h2 {
        font-size: 1.2rem;
    }
    
    section {
        padding: 3rem 5%;
    }
}

@media screen and (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .profile-img-placeholder {
        width: 250px;
        height: 250px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
}