/* Custom CSS for Premium Portfolio Styling */

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

body {
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse-glow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
    }

    50% {
        box-shadow: 0 0 40px rgba(99, 102, 241, 0.8);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.animation-delay-100 {
    animation-delay: 0.1s;
}

.animation-delay-200 {
    animation-delay: 0.2s;
}

.animation-delay-300 {
    animation-delay: 0.3s;
}

.animation-delay-400 {
    animation-delay: 0.4s;
}

.animation-delay-500 {
    animation-delay: 0.5s;
}

.animation-delay-600 {
    animation-delay: 0.6s;
}

.animation-delay-700 {
    animation-delay: 0.7s;
}

.fade-in-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Navigation */
.nav-link {
    position: relative;
    font-weight: 500;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -8px;
    left: 50%;
    background: linear-gradient(to right, #6366f1, #8b5cf6);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* Social Icons */
.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #9ca3af;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: linear-gradient(to right, #6366f1, #8b5cf6);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.social-icon-large {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: #9ca3af;
    font-size: 1.25rem;
    transition: all 0.3s ease;
}

.social-icon-large:hover {
    background: linear-gradient(to right, #6366f1, #8b5cf6);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

/* Cards */
.stat-card,
.cert-card,
.achievement-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover,
.cert-card:hover,
.achievement-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.3);
}

.info-card,
.contact-info-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.info-card:hover,
.contact-info-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(99, 102, 241, 0.5);
    transform: translateX(5px);
}

.skill-category {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.skill-category:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.2);
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 9999px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(to right, #6366f1, #8b5cf6);
    border-radius: 9999px;
    transition: width 1s ease-out;
    animation: pulse-glow 2s infinite;
}

.experience-card,
.education-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.experience-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(99, 102, 241, 0.5);
    transform: scale(1.02);
}

.education-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(99, 102, 241, 0.5);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.2);
}

/* Forms */
input,
textarea {
    color: white;
}

input::placeholder,
textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

input:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #0f172a;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, #6366f1, #8b5cf6);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, #4f46e5, #7c3aed);
}

/* Certificate Display Cards */
.cert-display-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    overflow: hidden;
}

.cert-display-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(99, 102, 241, 0.5);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.3);
}

.cert-image-wrapper {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: all 0.3s ease;
}

.cert-image-wrapper:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.cert-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.cert-image-wrapper:hover .cert-image {
    transform: scale(1.05);
}

.cert-details {
    padding: 0.5rem;
}