*{margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', sans-serif;}
:root{
    --dark-bg: #0a0a0a;
    --darker-bg: #050505;
    --accent: #2ecc71;
    --accent-glow: rgba(46, 204, 113, 0.4);
    --text: #ffffff;
}

body{
    background: var(--dark-bg);
    color: var(--text);
    line-height: 1.6;
    /* overflow: hidden; */
}

/* Navbar Styles */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    position: relative;
    padding-left: 2.5rem;
}

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

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

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

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

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

/* Hero Section Styles */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 12% 5%;
    background: radial-gradient(circle at 75% 30%, var(--accent-glow) 0%, transparent 30%);
}

.hero-content {
    flex: 1;
    padding-right: 5rem;
}

.hero-image {
    flex: 1;
    text-align: center;
    position: relative;
}

.profile-image {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent);
    box-shadow: 0 0 50px var(--accent-glow);
    animation: float 3s ease-in-out infinite;
    filter: grayscale(0.2) contrast(1.1);
}

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

.profile-image:hover {
    filter: grayscale(0) contrast(1.2);
    box-shadow: 0 0 70px var(--accent-glow);
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--accent) 30%, #ffffff 70%);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
}

/* About Section */
.about {
    padding: 6rem 5%;
    background: var(--dark-bg);
    text-align: center;
    position: relative;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--accent);
    position: relative;
}


.about p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0.9;
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(6px);
    transition: all 0.3s ease;
}

.about p:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--accent-glow);
    border-color: var(--accent);
}

/* skill section */
.skills {
    padding: 6rem 5%;
    background: var(--darker-bg);
}

.skill-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skill-cards {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.skill-cards:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px var(--accent-glow);
    border-color: var(--accent);
}

.skill-cards i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

/* Projects Section */
.projects {
    padding: 6rem 5%;
    background: var(--darker-bg);
    text-align: center;
}

.projects h2 {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 3rem;
}

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

/* Flip Card Container */
.project-card {
    perspective: 1000px; /* enables 3D effect */
}

.card-inner {
    position: relative;
    width: 100%;
    height: 250px;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.project-card:hover .card-inner {
    transform: rotateY(180deg);
}

/* Front & Back face */
.card-front, .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 1rem;
    backface-visibility: hidden;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
}

/* Front */
.card-front {
    color: var(--text);
}

/* Back */
.card-back {
    transform: rotateY(180deg);
    color: var(--text);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 25px var(--accent-glow);
    border-color: var(--accent);
}

/* Contact Section */
.contact {
    padding: 6rem 5%;
    background: var(--dark-bg);
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 2rem;
}

.contact-info {
    max-width: 600px;
    margin: auto;
    font-size: 1.1rem;
    line-height: 2rem;
}

.contact-info p {
    margin: 1rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
}

.contact-info a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-info a:hover {
    color: var(--accent);
}

/* CTA Button */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(45deg, var(--accent), #27ae60);
    color: #fff;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 15px var(--accent-glow);
    animation: pulseGlow 2s infinite;
}

/* Hover effect */
.btn:hover {
    transform: scale(1.08);
    box-shadow: 0 0 25px var(--accent-glow), 0 0 40px rgba(46, 204, 113, 0.6);
}

/* Glow pulsing animation */
@keyframes pulseGlow {
    0% {
        box-shadow: 0 0 10px var(--accent-glow), 0 0 20px transparent;
    }
    50% {
        box-shadow: 0 0 20px var(--accent-glow), 0 0 40px rgba(46, 204, 113, 0.6);
    }
    100% {
        box-shadow: 0 0 10px var(--accent-glow), 0 0 20px transparent;
    }
}

/* Certifications Section */
.certifications {
    padding: 6rem 5%;
    background: var(--darker-bg);
    text-align: center;
}

.certifications h2 {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 3rem;
    position: relative;
}

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

.cert-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(6px);
    text-align: center;
}

.cert-card i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.cert-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.cert-card p {
    font-size: 1rem;
    opacity: 0.85;
}

.cert-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px var(--accent-glow);
    border-color: var(--accent);
}


/* Section Title Style (like Technical Skills) */
.section-title {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
}



/* Contact Grid Style (like skill cards) */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); 
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Contact Cards: equal height and flex content */
.contact-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(6px);
    min-height: 180px; 
}

/* Responsive adjustments */
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 per row on tablet */
    }
}

@media (max-width: 600px) {
    .contact-grid {
        grid-template-columns: 1fr; /* 1 per row on mobile */
    }
}
/* Icons and text */
.contact-card i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.contact-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.contact-card p {
    font-size: 1rem;
    opacity: 0.85;
}

.contact-card a {
    color: var(--text);
    text-decoration: none;
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px var(--accent-glow);
    border-color: var(--accent);
}

/* Footer Styles */
footer {
    background: var(--darker-bg);
    padding: 3rem 5%;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.social-links a {
    color: var(--text);
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

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

.card-back a.btn {
    font-size: 10px;
    padding: 8px 12px;
}

.btn2 {
    margin-top: 3rem;
}


.cert-image-grid {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 1rem 0;
}

.cert-image {
    width: 100%;
    height: auto;              /* full height */
    border-radius: 1rem;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    transition: all 0.3s ease;
}
.cert-image:hover {
    transform: translateY(-8px) scale(1.5);
    border-color: var(--accent);
    box-shadow: 0 15px 35px var(--accent-glow);
}


/* Experience Section */
.experience {
    padding: 6rem 5%;
    background: var(--dark-bg);
    text-align: center;
}

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

.experience-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(6px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    text-align: left;
    transition: all 0.3s ease;
}

.experience-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 15px 35px var(--accent-glow);
}

.experience-card h3 {
    font-size: 1.4rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.experience-card h4 {
    font-size: 1rem;
    color: #ccc;
    margin-bottom: 1rem;
}

.experience-card ul {
    margin-left: 1rem;
}

.experience-card ul li {
    margin-bottom: 0.5rem;
    font-size: 1rem;
    opacity: 0.85;
}
/* Achievements Section */
.achievements {
    padding: 6rem 5%;
    background: var(--darker-bg);
    text-align: center;
}

.achievement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.achievement-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(6px);
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.achievement-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 15px 35px var(--accent-glow);
}

.achievement-card i {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.achievement-card h3 {
    font-size: 1.3rem;
    color: #fff;
    margin-bottom: 0.8rem;
}

.achievement-card p {
    font-size: 1rem;
    opacity: 0.85;
    padding: 0 0.5rem;
}